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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.371 by root, Thu Sep 13 16:16:01 2007 UTC vs.
Revision 1.621 by root, Fri Nov 18 20:55:00 2016 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 3.64 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
24	use Coro::Util ();	54	use Coro::Util ();
25		55
		56	use Guard ();
26	use JSON::XS ();	57	use JSON::XS 2.01 ();
27	use BDB ();	58	use BDB ();
28	use Data::Dumper;	59	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	60	use Fcntl;
31	use YAML::Syck ();	61	use YAML::XS ();
32	use IO::AIO 2.32 ();	62	use IO::AIO ();
33	use Time::HiRes;
34	use Compress::LZF;	63	use Compress::LZF;
35	use Digest::MD5 ();	64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
36		67
37	# configure various modules to our taste	68	# configure various modules to our taste
38	#	69	#
39	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		78
43	$Event::Eval = 1; # no idea why this is required, but it is	79	# strictly for debugging
44		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		81
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		83
		84	our @ORIG_INC;
51		85
52	our %COMMAND = ();	86	our %COMMAND = ();
53	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
54		88
55	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
57	our %EXTICMD = ();	92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
60		96
61	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
63		101
64	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
65	our $DATADIR = datadir;	104	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
69	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	114	our $BDBDIR = "$LOCALDIR/db";
		115	our $PIDFILE = "$LOCALDIR/pid";
		116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		117
		118	#our %RESOURCE; # unused
		119
		120	our $OUTPUT_RATE_MIN = 3000;
		121	our $OUTPUT_RATE_MAX = 1000000;
		122
		123	our $MAX_LINKS = 32; # how many chained exits to follow
		124	our $VERBOSE_IO = 1;
75		125
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	128	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	129	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		130
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	131	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	132	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	133	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	134	our $DB_ENV;
89		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
90	our %CFG;	138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
91		140
92	our $UPTIME; $UPTIME ||= time;	141	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
		144	our $NOW;
94		145
95	our (%PLAYER, %PLAYER_LOADING); # all users	146	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	147	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
98		149
99	# used to convert map paths into valid unix filenames by replacing / by ∕	150	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		152
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	153	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
		155	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	156	our $TICK_START; # for load detecting purposes
		157
		158	our @POST_INIT;
		159
		160	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		161	our $REALLY_UNLOOP; # never set to true, please :)
		162
		163	our $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
105		165
106	binmode STDOUT;	166	binmode STDOUT;
107	binmode STDERR;	167	binmode STDERR;
108		168
109	# read virtual server time, if available	169	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
114	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
115		177
116	mkdir $_	178	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		180
119	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
120		182
121	sub cf::map::normalise;	183	sub cf::map::normalise;
122		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
123	#############################################################################	189	#############################################################################
124		190
		191	%REFLECT = ();
		192	for (@REFLECT) {
		193	my $reflect = JSON::XS::decode_json $_;
		194	$REFLECT{$reflect->{class}} = $reflect;
		195	}
		196
		197	# this is decidedly evil
		198	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		199
		200	#############################################################################
		201
125	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
126		203
127	=over 4	204	=over 4
128		205
129	=item $cf::UPTIME	206	=item $cf::UPTIME
130		207
131	The timestamp of the server start (so not actually an uptime).	208	The timestamp of the server start (so not actually an "uptime").
		209
		210	=item $cf::SERVER_TICK
		211
		212	An unsigned integer that starts at zero when the server is started and is
		213	incremented on every tick.
		214
		215	=item $cf::NOW
		216
		217	The (real) time of the last (current) server tick - updated before and
		218	after tick processing, so this is useful only as a rough "what time is it
		219	now" estimate.
		220
		221	=item $cf::TICK
		222
		223	The interval between each server tick, in seconds.
132		224
133	=item $cf::RUNTIME	225	=item $cf::RUNTIME
134		226
135	The time this server has run, starts at 0 and is increased by $cf::TICK on	227	The time this server has run, starts at 0 and is increased by $cf::TICK on
136	every server tick.	228	every server tick.
137		229
138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
141		233
142	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
144	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
145	database environment.	237	database environment.
146		238
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	239	=item $cf::LOADAVG
156		240
157	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
158	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
159	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
162		246
163	The raw value load value from the last tick.	247	The raw value load value from the last tick.
164		248
165	=item %cf::CFG	249	=item %cf::CFG
166		250
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	252	from wherever your confdir points to.
169		253
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		255
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
173	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
175		277
176	=item @cf::INVOKE_RESULTS	278	=item @cf::INVOKE_RESULTS
177		279
178	This array contains the results of the last C<invoke ()> call. When	280	This array contains the results of the last C<invoke ()> call. When
179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
180	that call.	282	that call.
181		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
		289
182	=back	290	=back
183		291
184	=cut	292	=cut
185		293
186	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
187	*CORE::GLOBAL::warn = sub {	295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
		299
		300	$Coro::State::WARNHOOK = sub {
188	my $msg = join "", @_;	301	my $msg = join "", @_;
189		302
190	$msg .= "\n"	303	$msg .= "\n"
191	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
192		305
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		307
195	LOG llevError, $msg;	308	LOG llevWarn, $msg;
196	};	309	};
197	}	310
		311	$Coro::State::DIEHOOK = sub {
		312	return unless $^S eq 0; # "eq", not "=="
		313
		314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
		317	error "DIEHOOK called in main context, Coro bug?\n";#d#
		318	return;#d#
		319	}#d#
		320
		321	# kill coroutine otherwise
		322	Coro::terminate
		323	};
198		324
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	335	for my $pkg (qw(
210	cf::global cf::attachable	336	cf::global cf::attachable
211	cf::object cf::object::player	337	cf::object cf::object::player
212	cf::client cf::player	338	cf::client cf::player
213	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
214	cf::map cf::party cf::region	341	cf::party cf::region
215	)) {	342	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	344	}
219		345
220	$Event::DIED = sub {	346	$EV::DIED = sub {
221	warn "error in event callback: @_";	347	warn "error in event callback: $@";
222	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
223		354
224	#############################################################################	355	#############################################################################
225		356
226	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
227		358
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	380	$d
250	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
251	}	382	}
252		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($path, $data, $sync) = @_;
		407
		408	my $lock = cf::lock_acquire ("replace_file:$path");
		409
		410	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		411	or return;
		412
		413	$data = $data->() if ref $data;
		414
		415	length $data == aio_write $fh, 0, (length $data), $data, 0
		416	or return;
		417
		418	!$sync
		419	or !aio_fsync $fh
		420	or return;
		421
		422	aio_close $fh
		423	and return;
		424
		425	aio_rename "$path~", $path
		426	and return;
		427
		428	if ($sync) {
		429	$path =~ s%/[^/]*$%%;
		430	aio_pathsync $path;
		431	}
		432
		433	1
		434	}
		435
253	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
254		437
255	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
256		439
257	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
258		441
259	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
260		443
261	=cut	444	=cut
262		445
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		447
265	sub to_json ($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	449	sub decode_json($) { $json_coder->decode ($_[0]) }
		450
		451	=item $ref = cf::decode_storable $scalar
		452
		453	Same as Coro::Storable::thaw, so blocks.
		454
		455	=cut
		456
		457	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		458
		459	=item $ref = cf::decode_yaml $scalar
		460
		461	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		462
		463	=cut
		464
		465	sub decode_yaml($) {
		466	fork_call { YAML::XS::Load $_[0] } @_
		467	}
		468
		469	=item $scalar = cf::unlzf $scalar
		470
		471	Same as Compress::LZF::compress, but takes server ticks into account, so
		472	blocks.
		473
		474	=cut
		475
		476	sub unlzf($) {
		477	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		478	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		479	Compress::LZF::decompress $_[0]
		480	}
		481
		482	=item cf::post_init { BLOCK }
		483
		484	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		485	but I<before> the server starts ticking again.
		486
		487	The codeblock will have a single boolean argument to indicate whether this
		488	is a reload or not.
		489
		490	=cut
		491
		492	sub post_init(&) {
		493	push @POST_INIT, shift;
		494	}
		495
		496	sub _post_init {
		497	trace "running post_init jobs";
		498
		499	# run them in parallel...
		500
		501	my @join;
		502
		503	while () {
		504	push @join, map &Coro::async ($_, 0), @POST_INIT;
		505	@POST_INIT = ();
		506
		507	@join or last;
		508
		509	(pop @join)->join;
		510	}
		511	}
267		512
268	=item cf::lock_wait $string	513	=item cf::lock_wait $string
269		514
270	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
271		516
272	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
273		518
274	Wait until the given lock is available and then acquires it and returns	519	Wait until the given lock is available and then acquires it and returns
275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	520	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
276	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
277	returned.	522	returned.
278		523
279	Locks are *not* recursive, locking from the same coro twice results in a	524	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	525	deadlocked coro.
…		…
286		531
287	Return true if the lock is currently active, i.e. somebody has locked it.	532	Return true if the lock is currently active, i.e. somebody has locked it.
288		533
289	=cut	534	=cut
290		535
291	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		537
294	sub lock_wait($) {	538	sub lock_wait($) {
295	my ($key) = @_;	539	$LOCKS->wait ($_[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} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	540	}
308		541
309	sub lock_acquire($) {	542	sub lock_acquire($) {
310	my ($key) = @_;	543	$LOCKS->guard ($_[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	}	544	}
324		545
325	sub lock_active($) {	546	sub lock_active($) {
326	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	548	}
330		549
331	sub freeze_mainloop {	550	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
333		552
334	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	554	}
336	};	555
337	$TICK_WATCHER->stop;	556	=item cf::periodic $interval, $cb
338	$guard	557
		558	Like EV::periodic, but randomly selects a starting point so that the actions
		559	get spread over time.
		560
		561	=cut
		562
		563	sub periodic($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
339	}	569	}
340		570
341	=item cf::get_slot $time[, $priority[, $name]]	571	=item cf::get_slot $time[, $priority[, $name]]
342		572
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	573	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	574	(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.	575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority less than zero, interactive jobs
		579	should use 100 or more.
346		580
347	The optional C<$name> can be used to identify the job to run. It might be	581	The optional C<$name> can be used to identify the job to run. It might be
348	used for statistical purposes and should identify the same time-class.	582	used for statistical purposes and should identify the same time-class.
349		583
350	Useful for short background jobs.	584	Useful for short background jobs.
351		585
352	=cut	586	=cut
353		587
354	our @SLOT_QUEUE;	588	our @SLOT_QUEUE;
355	our $SLOT_QUEUE;	589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
356		591
357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
358	$SLOT_QUEUE = Coro::async {	593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
359	my $signal = new Coro::Signal;	596	my $signal = new Coro::Signal;
		597	my $busy;
360		598
361	while () {	599	while () {
362	next_job:	600	next_job:
		601
		602	Coro::cede;
		603
363	my $avail = cf::till_tick;	604	my $avail = cf::till_tick;
364	if ($avail > 0.01) {	605
365	for (0 .. $#SLOT_QUEUE) {	606	for (0 .. $#SLOT_QUEUE) {
366	if ($SLOT_QUEUE[$_][0] < $avail) {	607	if ($SLOT_QUEUE[$_][0] <= $avail) {
		608	$busy = 0;
367	my $job = splice @SLOT_QUEUE, $_, 1, ();	609	my $job = splice @SLOT_QUEUE, $_, 1, ();
368	$job->[2]->send;	610	$job->[2]->send;
369	Coro::cede;
370	goto next_job;	611	goto next_job;
371	}	612	} else {
		613	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
372	}	614	}
373	}	615	}
374		616
375	if (@SLOT_QUEUE) {	617	if (@SLOT_QUEUE) {
376	# we do not use wait_For_tick() as it returns immediately when tick is inactive	618	wait_for_tick;
377	push @cf::WAIT_FOR_TICK, $signal;
378	$signal->wait;
379	} else {	619	} else {
		620	$busy = 0;
380	Coro::schedule;	621	Coro::schedule;
381	}	622	}
382	}	623	}
383	};	624	};
384		625
385	sub get_slot($;$$) {	626	sub get_slot($;$$) {
		627	return if tick_inhibit || $Coro::current == $Coro::main;
		628
386	my ($time, $pri, $name) = @_;	629	my ($time, $pri, $name) = @_;
387		630
388	$time = $TICK * .6 if $time > $TICK * .6;	631	$time = clamp $time, 0.01, $TICK * .6;
		632
389	my $sig = new Coro::Signal;	633	my $sig = new Coro::Signal;
390		634
391	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
392	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
393	$SLOT_QUEUE->ready;	637	$SLOT_QUEUE->ready;
…		…
404		648
405	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
406		650
407	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
408		652
409	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	653	The design of Deliantra requires that the main coroutine ($Coro::main)
410	is always able to handle events or runnable, as Crossfire TRT is only	654	is always able to handle events or is runnable, as Deliantra is only
411	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	655	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
412	acceptable.	656	acceptable.
413		657
414	If it must be done, put the blocking parts into C<sync_job>. This will run	658	If it must be done, put the blocking parts into C<sync_job>. This will run
415	the given BLOCK in another coroutine while waiting for the result. The	659	the given BLOCK in another coroutine while waiting for the result. The
…		…
419	=cut	663	=cut
420		664
421	sub sync_job(&) {	665	sub sync_job(&) {
422	my ($job) = @_;	666	my ($job) = @_;
423		667
424	if ($Coro::current == $Coro::main) {	668	if (in_main) {
425	my $time = Event::time;	669	my $time = AE::time;
426		670
427	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
428	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
429		673
430	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
431	# (but this is cancel-safe)	675
432	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
433		677
434	my $busy = 1;	678	my $busy = 1;
435	my @res;	679	my @res;
436		680
437	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
438	@res = eval { $job->() };	683	@res = eval { $job->() };
439	warn $@ if $@;	684	error $@ if $@;
440	undef $busy;	685	undef $busy;
441	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
442		687
443	while ($busy) {	688	while ($busy) {
444	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::run EV::RUN_ONCE;
445	}	693	}
		694	}
446		695
447	$time = Event::time - $time;	696	my $time = AE::time - $time;
448		697
449	LOG llevError | logBacktrace, Carp::longmess "long sync job"
450	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
451
452	$tick_start += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
453		699
454	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
455	} else {	701	} else {
456	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
457		703
…		…
477	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
478		724
479	$coro	725	$coro
480	}	726	}
481		727
482	=item fork_call { }, $args	728	=item fork_call { }, @args
483		729
484	Executes the given code block with the given arguments in a seperate	730	Executes the given code block with the given arguments in a seperate
485	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
486	Coro::Storable. May, of course, block. Note that the executed sub may	732	Coro::Storable. May, of course, block. Note that the executed sub may
487	never block itself or use any form of Event handling.	733	never block itself or use any form of event handling.
488		734
489	=cut	735	=cut
		736
		737	sub post_fork {
		738	reset_signals;
		739	}
490		740
491	sub fork_call(&@) {	741	sub fork_call(&@) {
492	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
493		743
494	# we seemingly have to make a local copy of the whole thing,
495	# otherwise perl prematurely frees the stuff :/
496	# TODO: investigate and fix (likely this will be rather laborious)
497
498	my @res = Coro::Util::fork_eval {	744	my @res = Coro::Util::fork_eval {
499	reset_signals;	745	cf::post_fork;
500	&$cb	746	&$cb
501	}, @args;	747	} @args;
502		748
503	wantarray ? @res : $res[-1]	749	wantarray ? @res : $res[-1]
		750	}
		751
		752	sub objinfo {
		753	(
		754	"counter value" => cf::object::object_count,
		755	"objects created" => cf::object::create_count,
		756	"objects destroyed" => cf::object::destroy_count,
		757	"freelist size" => cf::object::free_count,
		758	"allocated objects" => cf::object::objects_size,
		759	"active objects" => cf::object::actives_size,
		760	)
		761	}
		762
		763	=item $coin = coin_from_name $name
		764
		765	=cut
		766
		767	our %coin_alias = (
		768	"silver" => "silvercoin",
		769	"silvercoin" => "silvercoin",
		770	"silvercoins" => "silvercoin",
		771	"gold" => "goldcoin",
		772	"goldcoin" => "goldcoin",
		773	"goldcoins" => "goldcoin",
		774	"platinum" => "platinacoin",
		775	"platinumcoin" => "platinacoin",
		776	"platinumcoins" => "platinacoin",
		777	"platina" => "platinacoin",
		778	"platinacoin" => "platinacoin",
		779	"platinacoins" => "platinacoin",
		780	"royalty" => "royalty",
		781	"royalties" => "royalty",
		782	);
		783
		784	sub coin_from_name($) {
		785	$coin_alias{$_[0]}
		786	? cf::arch::find $coin_alias{$_[0]}
		787	: undef
504	}	788	}
505		789
506	=item $value = cf::db_get $family => $key	790	=item $value = cf::db_get $family => $key
507		791
508	Returns a single value from the environment database.	792	Returns a single value from the environment database.
…		…
518	within each server.	802	within each server.
519		803
520	=cut	804	=cut
521		805
522	sub db_table($) {	806	sub db_table($) {
		807	cf::error "db_get called from main context"
		808	if $Coro::current == $Coro::main;
		809
523	my ($name) = @_;	810	my ($name) = @_;
524	my $db = BDB::db_create $DB_ENV;	811	my $db = BDB::db_create $DB_ENV;
525		812
526	eval {	813	eval {
527	$db->set_flags (BDB::CHKSUM);	814	$db->set_flags (BDB::CHKSUM);
…		…
537	}	824	}
538		825
539	our $DB;	826	our $DB;
540		827
541	sub db_init {	828	sub db_init {
542	cf::sync_job {
543	$DB ||= db_table "db";	829	$DB ||= db_table "db";
544	};
545	}	830	}
546		831
547	sub db_get($$) {	832	sub db_get($$) {
548	my $key = "$_[0]/$_[1]";	833	my $key = "$_[0]/$_[1]";
549		834
550	cf::sync_job {	835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
551	BDB::db_get $DB, undef, $key, my $data;	838	BDB::db_get $DB, undef, $key, my $data;
552		839
553	$! ? ()	840	$! ? ()
554	: $data	841	: $data
555	}
556	}	842	}
557		843
558	sub db_put($$$) {	844	sub db_put($$$) {
559	BDB::dbreq_pri 4;	845	BDB::dbreq_pri 4;
560	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
588		874
589	my @data;	875	my @data;
590	my $md5;	876	my $md5;
591		877
592	for (0 .. $#$src) {	878	for (0 .. $#$src) {
593	0 <= aio_load $src->[$_], $data[$_]	879	$data[$_] = load_file $src->[$_];
594	or Carp::croak "$src->[$_]: $!";
595	}	880	}
596		881
597	# if processing is expensive, check	882	# if processing is expensive, check
598	# checksum first	883	# checksum first
599	if (1) {	884	if (1) {
…		…
612		897
613	return db_get cache => "$id/data";	898	return db_get cache => "$id/data";
614	}	899	}
615	}	900	}
616		901
617	my $t1 = Time::HiRes::time;	902	my $t1 = EV::time;
618	my $data = $process->(\@data);	903	my $data = $process->(\@data);
619	my $t2 = Time::HiRes::time;	904	my $t2 = EV::time;
620		905
621	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
622		907
623	db_put cache => "$id/data", $data;	908	db_put cache => "$id/data", $data;
624	db_put cache => "$id/md5" , $md5;	909	db_put cache => "$id/md5" , $md5;
625	db_put cache => "$id/meta", $meta;	910	db_put cache => "$id/meta", $meta;
626		911
…		…
636		921
637	=cut	922	=cut
638		923
639	sub datalog($@) {	924	sub datalog($@) {
640	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
641	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
642	}	927	}
643		928
644	=back	929	=back
645		930
646	=cut	931	=cut
647		932
648	#############################################################################	933	#############################################################################
649		934
650	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
651		936
652	Many objects in crossfire are so-called attachable objects. That means you can	937	Many objects in deliantra are so-called attachable objects. That means you can
653	attach callbacks/event handlers (a collection of which is called an "attachment")	938	attach callbacks/event handlers (a collection of which is called an "attachment")
654	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
655		940
656	In the following description, CLASS can be any of C<global>, C<object>	941	In the following description, CLASS can be any of C<global>, C<object>
657	C<player>, C<client> or C<map> (i.e. the attachable objects in	942	C<player>, C<client> or C<map> (i.e. the attachable objects in
658	Crossfire TRT).	943	Deliantra).
659		944
660	=over 4	945	=over 4
661		946
662	=item $attachable->attach ($attachment, key => $value...)	947	=item $attachable->attach ($attachment, key => $value...)
663		948
…		…
707	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
708		993
709	Register an attachment by C<$name> through which attachable objects of the	994	Register an attachment by C<$name> through which attachable objects of the
710	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
711		996
712	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
713	that are attached at load/instantiate time, thus the need for a name.	998	that are attached at load/instantiate time, thus the need for a name.
714		999
715	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
716		1001
717	=over 4	1002	=over 4
…		…
841		1126
842	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
843	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
844		1129
845	} elsif (ref $type) {	1130	} elsif (ref $type) {
846	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
847		1132
848	} else {	1133	} else {
849	shift @arg;	1134	shift @arg;
850	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
851	}	1136	}
852	}	1137	}
853	}	1138	}
854		1139
855	sub _object_attach {	1140	sub _object_attach {
…		…
865	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
866	}	1151	}
867		1152
868	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
869	} else {	1154	} else {
870	warn "object uses attachment '$name' which is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
871	}	1156	}
872		1157
873	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
874	}	1159	}
875		1160
…		…
934		1219
935	for (@$callbacks) {	1220	for (@$callbacks) {
936	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
937		1222
938	if ($@) {	1223	if ($@) {
939	warn "$@";
940	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
941	override;	1225	override;
942	}	1226	}
943		1227
944	return 1 if $override;	1228	return 1 if $override;
945	}	1229	}
946		1230
947	0	1231	0
948	}	1232	}
949		1233
950	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
951		1235
952	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
953		1237
954	Generate an object-specific event with the given arguments.	1238	Generate an object-specific event with the given arguments.
955		1239
…		…
961		1245
962	=cut	1246	=cut
963		1247
964	#############################################################################	1248	#############################################################################
965	# object support	1249	# object support
966	#
967		1250
		1251	sub _object_equal($$);
		1252	sub _object_equal($$) {
		1253	my ($a, $b) = @_;
		1254
		1255	return 0 unless (ref $a) eq (ref $b);
		1256
		1257	if ("HASH" eq ref $a) {
		1258	my @ka = keys %$a;
		1259	my @kb = keys %$b;
		1260
		1261	return 0 if @ka != @kb;
		1262
		1263	for (0 .. $#ka) {
		1264	return 0 unless $ka[$_] eq $kb[$_];
		1265	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1266	}
		1267
		1268	} elsif ("ARRAY" eq ref $a) {
		1269
		1270	return 0 if @$a != @$b;
		1271
		1272	for (0 .. $#$a) {
		1273	return 0 unless _object_equal $a->[$_], $b->[$_];
		1274	}
		1275
		1276	} elsif ($a ne $b) {
		1277	return 0;
		1278	}
		1279
		1280	1
		1281	}
		1282
		1283	our $SLOW_MERGES;#d#
968	sub _can_merge {	1284	sub _can_merge {
969	my ($ob1, $ob2) = @_;	1285	my ($ob1, $ob2) = @_;
970		1286
971	local $Storable::canonical = 1;	1287	++$SLOW_MERGES;#d#
972	my $fob1 = Storable::freeze $ob1;
973	my $fob2 = Storable::freeze $ob2;
974		1288
975	$fob1 eq $fob2	1289	# we do the slow way here
		1290	return _object_equal $ob1, $ob2
976	}	1291	}
977		1292
978	sub reattach {	1293	sub reattach {
979	# basically do the same as instantiate, without calling instantiate	1294	# basically do the same as instantiate, without calling instantiate
980	my ($obj) = @_;	1295	my ($obj) = @_;
981		1296
		1297	# no longer needed after getting rid of delete_package?
982	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1298	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
983		1299
984	my $registry = $obj->registry;	1300	my $registry = $obj->registry;
985		1301
986	@$registry = ();	1302	@$registry = ();
987		1303
…		…
992	for (@$attach) {	1308	for (@$attach) {
993	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
994	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
995	}	1311	}
996	} else {	1312	} else {
997	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
998	}	1314	}
999	}	1315	}
1000	}	1316	}
1001		1317
1002	cf::attachable->attach (	1318	cf::attachable->attach (
1003	prio => -1000000,	1319	prio => -1000000,
1004	on_instantiate => sub {	1320	on_instantiate => sub {
1005	my ($obj, $data) = @_;	1321	my ($obj, $data) = @_;
1006		1322
1007	$data = from_json $data;	1323	$data = decode_json $data;
1008		1324
1009	for (@$data) {	1325	for (@$data) {
1010	my ($name, $args) = @$_;	1326	my ($name, $args) = @$_;
1011		1327
1012	$obj->attach ($name, %{$args || {} });	1328	$obj->attach ($name, %{$args || {} });
…		…
1026	);	1342	);
1027		1343
1028	sub object_freezer_save {	1344	sub object_freezer_save {
1029	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
1030		1346
1031	my $guard = cf::lock_acquire "io";
1032
1033	sync_job {	1347	sync_job {
1034	if (length $$rdata) {	1348	if (length $$rdata) {
1035	utf8::decode (my $decname = $filename);	1349	utf8::decode (my $decname = $filename);
1036	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
1037	$decname, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
1038		1353
1039	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1040	chmod SAVE_MODE, $fh;	1355	aio_chmod $fh, SAVE_MODE;
1041	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1042	aio_fsync $fh if $cf::USE_FSYNC;	1357	if ($cf::USE_FSYNC) {
		1358	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1359	aio_fsync $fh;
		1360	}
1043	close $fh;	1361	aio_close $fh;
1044		1362
1045	if (@$objs) {	1363	if (@$objs) {
1046	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1364	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1047	chmod SAVE_MODE, $fh;	1365	aio_chmod $fh, SAVE_MODE;
1048	my $data = Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1049	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
1050	aio_fsync $fh if $cf::USE_FSYNC;	1368	if ($cf::USE_FSYNC) {
		1369	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1370	aio_fsync $fh;
		1371	}
1051	close $fh;	1372	aio_close $fh;
1052	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
1053	}	1374	}
1054	} else {	1375	} else {
1055	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
1056	}	1377	}
1057		1378
1058	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
1059	} else {	1383	} else {
1060	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
1061	}	1385	}
1062	} else {	1386	} else {
1063	aio_unlink $filename;	1387	aio_unlink $filename;
1064	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
1065	}	1389	}
1066	};	1390	};
1067
1068	undef $guard;
1069	}	1391	}
1070		1392
1071	sub object_freezer_as_string {	1393	sub object_freezer_as_string {
1072	my ($rdata, $objs) = @_;	1394	my ($rdata, $objs) = @_;
1073		1395
…		…
1078		1400
1079	sub object_thawer_load {	1401	sub object_thawer_load {
1080	my ($filename) = @_;	1402	my ($filename) = @_;
1081		1403
1082	my ($data, $av);	1404	my ($data, $av);
1083
1084	my $guard = cf::lock_acquire "io";
1085		1405
1086	(aio_load $filename, $data) >= 0	1406	(aio_load $filename, $data) >= 0
1087	or return;	1407	or return;
1088		1408
1089	unless (aio_stat "$filename.pst") {	1409	unless (aio_stat "$filename.pst") {
1090	(aio_load "$filename.pst", $av) >= 0	1410	(aio_load "$filename.pst", $av) >= 0
1091	or return;	1411	or return;
1092		1412
1093	undef $guard;
1094	$av = eval { (Storable::thaw $av)->{objs} };	1413	my $st = eval { Coro::Storable::thaw $av };
		1414	$av = $st->{objs};
1095	}	1415	}
1096		1416
1097	utf8::decode (my $decname = $filename);	1417	utf8::decode (my $decname = $filename);
1098	warn sprintf "loading %s (%d,%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
1099	$decname, length $data, scalar @{$av || []};	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
1100		1421
1101	($data, $av)	1422	($data, $av)
1102	}	1423	}
1103		1424
1104	=head2 COMMAND CALLBACKS	1425	=head2 COMMAND CALLBACKS
…		…
1108	=cut	1429	=cut
1109		1430
1110	#############################################################################	1431	#############################################################################
1111	# command handling &c	1432	# command handling &c
1112		1433
1113	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
1114		1435
1115	Register a callback for execution when the client sends the user command	1436	Register a callback for execution when the client sends the user command
1116	$name.	1437	$name.
1117		1438
1118	=cut	1439	=cut
…		…
1124	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
1125		1446
1126	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
1127	}	1448	}
1128		1449
1129	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
1130		1451
1131	Register a callback for execution when the client sends an (synchronous)	1452	Register a callback for execution when the client sends an (synchronous)
1132	extcmd packet. Ext commands will be processed in the order they are	1453	extcmd packet. Ext commands will be processed in the order they are
1133	received by the server, like other user commands. The first argument is	1454	received by the server, like other user commands. The first argument is
1134	the logged-in player. Ext commands can only be processed after a player	1455	the logged-in player. Ext commands can only be processed after a player
1135	has logged in successfully.	1456	has logged in successfully.
1136		1457
1137	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
1138	called.
1139		1459
		1460	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
		1461
		1462	Same as C<cf::register_extcmd>, but instead of returning values, the
		1463	callback needs to clal the C<$reply> function.
		1464
1140	=item cf::register_exticmd $name => \&callback($ns,$packet);	1465	=item cf::register_exticmd $name => \&callback($ns,@args)
1141		1466
1142	Register a callback for execution when the client sends an (asynchronous)	1467	Register a callback for execution when the client sends an (asynchronous)
1143	exticmd packet. Exti commands are processed by the server as soon as they	1468	exticmd packet. Exti commands are processed by the server as soon as they
1144	are received, i.e. out of order w.r.t. other commands. The first argument	1469	are received, i.e. out of order w.r.t. other commands. The first argument
1145	is a client socket. Exti commands can be received anytime, even before	1470	is a client socket. Exti commands can be received anytime, even before
1146	log-in.	1471	log-in.
1147		1472
1148	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1149	called.
1150		1474
1151	=cut	1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1152		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$reply> function.
		1479
		1480	=cut
		1481
1153	sub register_extcmd {	1482	sub register_extcmd($$) {
1154	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1155		1484
1156	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
1157	}	1486	}
1158		1487
1159	sub register_exticmd {	1488	sub register_async_extcmd($$) {
1160	my ($name, $cb) = @_;	1489	my ($name, $cb) = @_;
1161		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
1162	$EXTICMD{$name} = $cb;	1497	$EXTICMD{$name} = $cb;
1163	}	1498	}
1164		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
1165	cf::player->attach (	1508	cf::player->attach (
1166	on_command => sub {	1509	on_unknown_command => sub {
1167	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
1168		1511
1169	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
1170	or return;	1513	or return;
1171		1514
…		…
1179	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
1180		1523
1181	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1182		1525
1183	if (ref $msg) {	1526	if (ref $msg) {
1184	my ($type, $reply, @payload) =	1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1185	"ARRAY" eq ref $msg
1186	? @$msg
1187	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1188		1528
1189	my @reply;
1190
1191	if (my $cb = $EXTCMD{$type}) {	1529	if (my $cb = $EXTACMD{$type}) {
		1530	$cb->(
		1531	$pl,
		1532	sub {
		1533	$pl->ext_msg ("reply-$reply", @_)
		1534	if $reply;
		1535	},
		1536	@payload
		1537	);
		1538	} else {
		1539	my @reply;
		1540
		1541	if (my $cb = $EXTCMD{$type}) {
1192	@reply = $cb->($pl, @payload);	1542	@reply = $cb->($pl, @payload);
		1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
1193	}	1547	}
1194		1548
1195	$pl->ext_reply ($reply, @reply)
1196	if $reply;
1197
1198	} else {	1549	} else {
1199	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1200	}	1551	}
1201		1552
1202	cf::override;	1553	cf::override;
1203	},	1554	},
1204	);	1555	);
1205		1556
		1557	# "readahead" all extensions
		1558	sub cache_extensions {
		1559	my $grp = IO::AIO::aio_group;
		1560
		1561	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1562	for (grep /\.ext$/, @{$_[0]}) {
		1563	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1564	}
		1565	};
		1566
		1567	$grp
		1568	}
		1569
		1570	sub _ext_cfg_reg($$$$) {
		1571	my ($rvar, $varname, $cfgname, $default) = @_;
		1572
		1573	$cfgname = lc $varname
		1574	unless length $cfgname;
		1575
		1576	$EXT_CFG{$cfgname} = [$rvar, $default];
		1577
		1578	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1579	}
		1580
1206	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
1207	cf::sync_job {	1586	cf::sync_job {
1208	my %todo;	1587	my %todo;
1209		1588
1210	for my $path (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
1211	next unless -r $path;	1590	next unless -r $path;
…		…
1229		1608
1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1232		1611
1233	$ext{source} =	1612	$ext{source} =
1234	"package $pkg; use strict; use utf8;\n"	1613	"package $pkg; use common::sense;\n"
1235	. "#line 1 \"$path\"\n{\n"	1614	. "#line 1 \"$path\"\n{\n"
1236	. $source	1615	. $source
1237	. "\n};\n1";	1616	. "\n};\n1";
1238		1617
1239	$todo{$base} = \%ext;	1618	$todo{$base} = \%ext;
1240	}	1619	}
1241		1620
		1621	my $pass = 0;
1242	my %done;	1622	my %done;
1243	while (%todo) {	1623	while (%todo) {
1244	my $progress;	1624	my $progress;
1245		1625
		1626	++$pass;
		1627
		1628	ext:
1246	while (my ($k, $v) = each %todo) {	1629	while (my ($k, $v) = each %todo) {
1247	for (split /,\s*/, $v->{meta}{depends}) {	1630	for (split /,\s*/, $v->{meta}{depends}) {
1248	goto skip	1631	next ext
1249	unless exists $done{$_};	1632	unless exists $done{$_};
1250	}	1633	}
1251		1634
1252	warn "... loading '$k' into '$v->{pkg}'\n";	1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1253		1636
1254	unless (eval $v->{source}) {	1637	my $source = $v->{source};
		1638
		1639	# support "CONF varname :confname = default" pseudo-statements
		1640	$source =~ s{
		1641	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1642	}{
		1643	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1644	}gmxe;
		1645
		1646	my $active = eval $source;
		1647
		1648	if (length $@) {
1255	my $msg = $@ ? "$v->{path}: $@\n"	1649	error "$v->{path}: $@\n";
1256	: "$v->{base}: extension inactive.\n";
1257		1650
		1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1258	if (exists $v->{meta}{mandatory}) {	1652	if exists $v->{meta}{mandatory};
1259	warn $msg;	1653
1260	warn "mandatory extension failed to load, exiting.\n";	1654	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1261	exit 1;	1655	delete $todo{$k};
1262	}	1656	} else {
1263		1657	$done{$k} = delete $todo{$k};
1264	warn $msg;	1658	push @EXTS, $v->{pkg};
		1659	$progress = 1;
		1660
		1661	info "$v->{base}: extension inactive.\n"
		1662	unless $active;
1265	}	1663	}
1266
1267	$done{$k} = delete $todo{$k};
1268	push @EXTS, $v->{pkg};
1269	$progress = 1;
1270	}	1664	}
1271		1665
1272	skip:	1666	unless ($progress) {
1273	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1274	unless $progress;	1668
		1669	while (my ($k, $v) = each %todo) {
		1670	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1671	if exists $v->{meta}{mandatory};
		1672	}
		1673
		1674	last;
		1675	}
1275	}	1676	}
1276	};	1677	};
1277	}	1678	}
1278		1679
1279	#############################################################################	1680	#############################################################################
1280		1681
1281	=back	1682	=back
1282		1683
1283	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
1284		1685
1285	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
1286		1687
1287	=cut	1688	=cut
1288		1689
1289	package cf::player;	1690	package cf::player;
1290		1691
…		…
1333		1734
1334	sub exists($) {	1735	sub exists($) {
1335	my ($login) = @_;	1736	my ($login) = @_;
1336		1737
1337	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
1338	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1339	}	1740	}
1340		1741
1341	sub find($) {	1742	sub find($) {
1342	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1343	my $login = $_[0];	1744	my $login = $_[0];
…		…
1353	aio_unlink +(playerdir $login) . "/$login.pl";	1754	aio_unlink +(playerdir $login) . "/$login.pl";
1354		1755
1355	my $f = new_from_file cf::object::thawer path $login	1756	my $f = new_from_file cf::object::thawer path $login
1356	or return;	1757	or return;
1357		1758
1358	$f->next;
1359	my $pl = cf::player::load_pl $f	1759	my $pl = cf::player::load_pl $f
1360	or return;	1760	or return;
		1761
1361	local $cf::PLAYER_LOADING{$login} = $pl;	1762	local $cf::PLAYER_LOADING{$login} = $pl;
1362	$f->resolve_delayed_derefs;	1763	$f->resolve_delayed_derefs;
1363	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1364	}	1765	}
1365	}	1766	}
1366	}	1767	}
1367		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($pl, $path) = @_;
		1772
		1773	# restore slots saved in save, below
		1774	my $slots = delete $pl->{_slots};
		1775
		1776	$pl->ob->current_weapon ($slots->[0]);
		1777	$pl->combat_ob ($slots->[1]);
		1778	$pl->ranged_ob ($slots->[2]);
		1779	},
		1780	);
		1781
1368	sub save($) {	1782	sub save($) {
1369	my ($pl) = @_;	1783	my ($pl) = @_;
1370		1784
1371	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
1372		1786
…		…
1375		1789
1376	return if $pl->{deny_save};	1790	return if $pl->{deny_save};
1377		1791
1378	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1379	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
		1794
		1795	cf::get_slot 0.01;
		1796
		1797	# save slots, to be restored later
		1798	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1380		1799
1381	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1382	cf::cede_to_tick;	1801	cf::cede_to_tick;
1383	}	1802	}
1384		1803
…		…
1416	my ($pl) = @_;	1835	my ($pl) = @_;
1417		1836
1418	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1419		1838
1420	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1421	$pl->password ("*"); # this should lock out the player until we nuked the dir	1840	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1422		1841
1423	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1424	$pl->deactivate;	1843	$pl->deactivate;
		1844
		1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1425	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1426	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1427		1850
1428	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1429	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1430	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1468		1891
1469	for my $login (@$dirs) {	1892	for my $login (@$dirs) {
1470	my $path = path $login;	1893	my $path = path $login;
1471		1894
1472	# a .pst is a dead give-away for a valid player	1895	# a .pst is a dead give-away for a valid player
1473	unless (-e "$path.pst") {	1896	# if no pst file found, open and chekc for blocked users
		1897	if (aio_stat "$path.pst") {
1474	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1898	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1475	aio_read $fh, 0, 512, my $buf, 0 or next;	1899	aio_read $fh, 0, 512, my $buf, 0 or next;
1476	$buf !~ /^password -------------$/m or next; # official not-valid tag	1900	$buf !~ /^password -------------$/m or next; # official not-valid tag
1477	}	1901	}
1478		1902
…		…
1482		1906
1483	\@logins	1907	\@logins
1484	}	1908	}
1485		1909
1486	=item $player->maps	1910	=item $player->maps
		1911
		1912	=item cf::player::maps $login
1487		1913
1488	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1489	player. May block.	1915	player. May block.
1490		1916
1491	=cut	1917	=cut
…		…
1509	}	1935	}
1510		1936
1511	\@paths	1937	\@paths
1512	}	1938	}
1513		1939
1514	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1515		1941
1516	Expand crossfire pod fragments into protocol xml.	1942	Expand deliantra pod fragments into protocol xml.
1517
1518	=cut
1519
1520	sub expand_cfpod {
1521	((my $self), (local $_)) = @_;
1522
1523	# escape & and <
1524	s/&/&amp;/g;
1525	s/(?<![BIUGHT])</&lt;/g;
1526
1527	# this is buggy, it needs to properly take care of nested <'s
1528
1529	1 while
1530	# replace B<>, I<>, U<> etc.
1531	s/B<([^\>]*)>/<b>$1<\/b>/
1532	|| s/I<([^\>]*)>/<i>$1<\/i>/
1533	|| s/U<([^\>]*)>/<u>$1<\/u>/
1534	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1535	# replace G<male|female> tags
1536	|| s{G<([^>|]*)\|([^>]*)>}{
1537	$self->gender ? $2 : $1
1538	}ge
1539	# replace H<hint text>
1540	|| s{H<([^\>]*)>}
1541	{
1542	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1543	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1544	"")
1545	[$self->{hintmode}]
1546	}ge;
1547
1548	# create single paragraphs (very hackish)
1549	s/(?<=\S)\n(?=\w)/ /g;
1550
1551	# compress some whitespace
1552	s/\s+\n/\n/g; # ws line-ends
1553	s/\n\n+/\n/g; # double lines
1554	s/^\n+//; # beginning lines
1555	s/\n+$//; # ending lines
1556
1557	$_
1558	}
1559
1560	sub hintmode {
1561	$_[0]{hintmode} = $_[1] if @_ > 1;
1562	$_[0]{hintmode}
1563	}
1564
1565	=item $player->ext_reply ($msgid, @msg)
1566
1567	Sends an ext reply to the player.
1568
1569	=cut
1570
1571	sub ext_reply($$@) {
1572	my ($self, $id, @msg) = @_;
1573
1574	$self->ns->ext_reply ($id, @msg)
1575	}
1576		1943
1577	=item $player->ext_msg ($type, @msg)	1944	=item $player->ext_msg ($type, @msg)
1578		1945
1579	Sends an ext event to the client.	1946	Sends an ext event to the client.
1580		1947
…		…
1600		1967
1601	=cut	1968	=cut
1602		1969
1603	sub find_by_path($) {	1970	sub find_by_path($) {
1604	my ($path) = @_;	1971	my ($path) = @_;
		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
1605		1974
1606	my ($match, $specificity);	1975	my ($match, $specificity);
1607		1976
1608	for my $region (list) {	1977	for my $region (list) {
1609	if ($region->{match} && $path =~ $region->{match}) {	1978	if ($region->{match} && $path =~ $region->{match}) {
…		…
1635	our $MAX_RESET = 3600;	2004	our $MAX_RESET = 3600;
1636	our $DEFAULT_RESET = 3000;	2005	our $DEFAULT_RESET = 3000;
1637		2006
1638	sub generate_random_map {	2007	sub generate_random_map {
1639	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1640	# mit "rum" bekleckern, nicht	2009
		2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2011
1641	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1642	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1643	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1644	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1645	$rmp->{exit_on_final_map},
1646	$rmp->{xsize}, $rmp->{ysize},
1647	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1648	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1649	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1650	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1651	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1652	(cf::region::find $rmp->{region}), $rmp->{custom}
1653	)
1654	}	2013	}
1655		2014
1656	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1657		2016
1658	Register a handler for the map path matching the given regex at the	2017	Register a handler for the map path matching the given regex at the
…		…
1663		2022
1664	sub register {	2023	sub register {
1665	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1666	my $pkg = caller;	2025	my $pkg = caller;
1667		2026
1668	no strict;
1669	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1670		2028
1671	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1672	}	2030	}
1673		2031
1674	# also paths starting with '/'	2032	# also paths starting with '/'
1675	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1676		2034
1677	sub thawer_merge {	2035	sub thawer_merge {
1678	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1679		2037
1680	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
…		…
1685	}	2043	}
1686		2044
1687	sub normalise {	2045	sub normalise {
1688	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1689		2047
1690	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1691		2049
1692	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1693		2051
1694	# map plan:	2052	# map plan:
1695	#	2053	#
…		…
1710	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1711	$path = "$base/$path";	2069	$path = "$base/$path";
1712	}	2070	}
1713		2071
1714	for ($path) {	2072	for ($path) {
1715	redo if s{//}{/};
1716	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1717	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1718	}	2075	}
1719		2076
1720	$path	2077	$path
…		…
1734	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1735	return $self;	2092	return $self;
1736	}	2093	}
1737	}	2094	}
1738		2095
1739	Carp::cluck "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1740	()	2097	()
1741	}	2098	}
1742		2099
		2100	# may re-bless or do other evil things
1743	sub init {	2101	sub init {
1744	my ($self) = @_;	2102	my ($self) = @_;
1745		2103
1746	$self	2104	$self
1747	}	2105	}
…		…
1766		2124
1767	# the temporary/swap location	2125	# the temporary/swap location
1768	sub save_path {	2126	sub save_path {
1769	my ($self) = @_;	2127	my ($self) = @_;
1770		2128
1771	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2129	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1772	"$TMPDIR/$path.map"	2130	"$TMPDIR/$path.map"
1773	}	2131	}
1774		2132
1775	# the unique path, undef == no special unique path	2133	# the unique path, undef == no special unique path
1776	sub uniq_path {	2134	sub uniq_path {
1777	my ($self) = @_;	2135	my ($self) = @_;
1778		2136
1779	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1780	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1781	}
1782
1783	# and all this just because we cannot iterate over
1784	# all maps in C++...
1785	sub change_all_map_light {
1786	my ($change) = @_;
1787
1788	$_->change_map_light ($change)
1789	for grep $_->outdoor, values %cf::MAP;
1790	}	2139	}
1791		2140
1792	sub decay_objects {	2141	sub decay_objects {
1793	my ($self) = @_;	2142	my ($self) = @_;
1794		2143
…		…
1821	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1822		2171
1823	1	2172	1
1824	}	2173	}
1825		2174
		2175	# used to laod the header of an original map
1826	sub load_header_orig {	2176	sub load_header_orig {
1827	my ($self) = @_;	2177	my ($self) = @_;
1828		2178
1829	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1830	}	2180	}
1831		2181
		2182	# used to laod the header of an instantiated map
1832	sub load_header_temp {	2183	sub load_header_temp {
1833	my ($self) = @_;	2184	my ($self) = @_;
1834		2185
1835	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1836	}	2187	}
1837		2188
		2189	# called after loading the header from an instantiated map
1838	sub prepare_temp {	2190	sub prepare_temp {
1839	my ($self) = @_;	2191	my ($self) = @_;
1840		2192
1841	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1842	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1843	# safety	2195	# safety
1844	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1845	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1846	}	2198	}
1847		2199
		2200	# called after loading the header from an original map
1848	sub prepare_orig {	2201	sub prepare_orig {
1849	my ($self) = @_;	2202	my ($self) = @_;
1850		2203
1851	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1852	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1876		2229
1877	sub find;	2230	sub find;
1878	sub find {	2231	sub find {
1879	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1880		2233
		2234	cf::cede_to_tick;
		2235
1881	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1882		2237
1883	cf::lock_wait "map_data:$path";#d#remove	2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1884	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1885		2240
1886	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1887	my $guard1 = cf::lock_acquire "map_find:$path";
1888	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1889
1890	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1891	or return;	2243	or return;
1892		2244
1893	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1894		2246
…		…
1896	or return;	2248	or return;
1897		2249
1898	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2250	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1899	# doing this can freeze the server in a sync job, obviously	2251	# doing this can freeze the server in a sync job, obviously
1900	#$cf::WAIT_FOR_TICK->wait;	2252	#$cf::WAIT_FOR_TICK->wait;
		2253	undef $guard2;
1901	undef $guard1;	2254	undef $guard1;
1902	undef $guard2;
1903	$map->reset;	2255	$map->reset;
1904	return find $path;	2256	return find $path;
1905	}	2257	}
1906		2258
1907	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1908	}	2260	}
1909	}	2261	}
1910		2262
1911	sub pre_load { }	2263	sub pre_load { }
1912	sub post_load { }	2264	#sub post_load { } # XS
1913		2265
1914	sub load {	2266	sub load {
1915	my ($self) = @_;	2267	my ($self) = @_;
1916		2268
1917	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1920		2272
1921	{	2273	{
1922	my $guard = cf::lock_acquire "map_data:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
1923		2275
1924	return unless $self->valid;	2276	return unless $self->valid;
1925	return unless $self->in_memory == cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
1926
1927	$self->in_memory (cf::MAP_LOADING);
1928		2278
1929	$self->alloc;	2279	$self->alloc;
1930		2280
1931	$self->pre_load;	2281	$self->pre_load;
1932	cf::cede_to_tick;	2282	cf::cede_to_tick;
1933		2283
		2284	if (exists $self->{load_path}) {
1934	my $f = new_from_file cf::object::thawer $self->{load_path};	2285	my $f = new_from_file cf::object::thawer $self->{load_path};
1935	$f->skip_block;	2286	$f->skip_block;
1936	$self->_load_objects ($f)	2287	$self->_load_objects ($f)
1937	or return;	2288	or return;
1938		2289
1939	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
1940	if delete $self->{load_original};	2291	if delete $self->{load_original};
1941		2292
1942	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
1943	utf8::encode $uniq;	2294	utf8::encode $uniq;
1944	unless (aio_stat $uniq) {	2295	unless (aio_stat $uniq) {
1945	if (my $f = new_from_file cf::object::thawer $uniq) {	2296	if (my $f = new_from_file cf::object::thawer $uniq) {
1946	$self->clear_unique_items;	2297	$self->clear_unique_items;
1947	$self->_load_objects ($f);	2298	$self->_load_objects ($f);
1948	$f->resolve_delayed_derefs;	2299	$f->resolve_delayed_derefs;
		2300	}
1949	}	2301	}
1950	}	2302	}
1951	}
1952		2303
1953	$f->resolve_delayed_derefs;	2304	$f->resolve_delayed_derefs;
		2305	} else {
		2306	$self->post_load_original
		2307	if delete $self->{load_original};
		2308	}
		2309
		2310	$self->state (cf::MAP_INACTIVE);
1954		2311
1955	cf::cede_to_tick;	2312	cf::cede_to_tick;
1956	# now do the right thing for maps	2313	# now do the right thing for maps
1957	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
1958	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
…		…
1962	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
1963	$self->decay_objects;	2320	$self->decay_objects;
1964	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
1965	$self->update_buttons;	2322	$self->update_buttons;
1966	cf::cede_to_tick;	2323	cf::cede_to_tick;
1967	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
1968	cf::cede_to_tick;
1969	$self->activate;
1970	}	2325	}
1971		2326
1972	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
1973	$self->last_access ($cf::RUNTIME);	2328	$self->last_access ($cf::RUNTIME);
1974
1975	$self->in_memory (cf::MAP_IN_MEMORY);
1976	}	2329	}
1977		2330
1978	$self->post_load;	2331	$self->post_load;
1979	}
1980		2332
		2333	1
		2334	}
		2335
		2336	# customize the map for a given player, i.e.
		2337	# return the _real_ map. used by e.g. per-player
		2338	# maps to change the path to ~playername/mappath
1981	sub customise_for {	2339	sub customise_for {
1982	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
1983		2341
1984	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
1985	if $self->per_player;	2343	if $self->per_player;
…		…
1988	# if $self->per_party;	2346	# if $self->per_party;
1989		2347
1990	$self	2348	$self
1991	}	2349	}
1992		2350
1993	# find and load all maps in the 3x3 area around a map
1994	sub load_neighbours {
1995	my ($map) = @_;
1996
1997	my @neigh; # diagonal neighbours
1998
1999	for (0 .. 3) {
2000	my $neigh = $map->tile_path ($_)
2001	or next;
2002	$neigh = find $neigh, $map
2003	or next;
2004	$neigh->load;
2005
2006	push @neigh,
2007	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2008	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2009	}
2010
2011	for (grep defined $_->[0], @neigh) {
2012	my ($path, $origin) = @$_;
2013	my $neigh = find $path, $origin
2014	or next;
2015	$neigh->load;
2016	}
2017	}
2018
2019	sub find_sync {	2351	sub find_sync {
2020	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
2021		2353
2022	cf::sync_job { find $path, $origin }	2354	# it's a bug to call this from the main context
		2355	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2356	if $Coro::current == $Coro::main;
		2357
		2358	find $path, $origin
2023	}	2359	}
2024		2360
2025	sub do_load_sync {	2361	sub do_load_sync {
2026	my ($map) = @_;	2362	my ($map) = @_;
2027		2363
		2364	# it's a bug to call this from the main context
2028	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2029	if $Coro::current == $Coro::main;	2366	if $Coro::current == $Coro::main;
2030		2367
2031	cf::sync_job { $map->load };	2368	$map->load;
2032	}	2369	}
2033		2370
2034	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
2035	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
2036		2373
2037	sub find_async {	2374	sub find_async {
2038	my ($path, $origin, $load) = @_;	2375	my ($path, $origin, $load) = @_;
2039		2376
2040	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
2041		2378
2042	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
2043	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2380	return $map if !$load || $map->linkable;
2044	}	2381	}
2045		2382
2046	$MAP_PREFETCH{$path} |= $load;	2383	$MAP_PREFETCH{$path} |= $load;
2047		2384
2048	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
		2386	$Coro::current->{desc} = "map prefetcher";
		2387
2049	while (%MAP_PREFETCH) {	2388	while (%MAP_PREFETCH) {
2050	while (my ($k, $v) = each %MAP_PREFETCH) {	2389	for my $k (keys %MAP_PREFETCH) {
2051	if (my $map = find $k) {	2390	if (my $map = find $k) {
2052	$map->load if $v;	2391	$map->load if $MAP_PREFETCH{$k};
2053	}	2392	}
2054		2393
2055	delete $MAP_PREFETCH{$k};	2394	delete $MAP_PREFETCH{$k};
2056	}	2395	}
2057	}	2396	}
…		…
2060	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
2061		2400
2062	()	2401	()
2063	}	2402	}
2064		2403
		2404	# common code, used by both ->save and ->swapout
2065	sub save {	2405	sub _save {
2066	my ($self) = @_;	2406	my ($self) = @_;
2067
2068	my $lock = cf::lock_acquire "map_data:$self->{path}";
2069		2407
2070	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
2071		2409
2072	return unless $self->dirty;	2410	return unless $self->dirty;
2073		2411
…		…
2079	return if $self->{deny_save};	2417	return if $self->{deny_save};
2080		2418
2081	local $self->{last_access} = $self->last_access;#d#	2419	local $self->{last_access} = $self->last_access;#d#
2082		2420
2083	cf::async {	2421	cf::async {
		2422	$Coro::current->{desc} = "map player save";
2084	$_->contr->save for $self->players;	2423	$_->contr->save for $self->players;
2085	};	2424	};
		2425
		2426	cf::get_slot 0.02;
2086		2427
2087	if ($uniq) {	2428	if ($uniq) {
2088	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2429	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2089	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2430	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2090	} else {	2431	} else {
2091	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2432	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2092	}	2433	}
2093	}	2434	}
2094		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
2095	sub swap_out {	2444	sub swap_out {
2096	my ($self) = @_;	2445	my ($self) = @_;
2097		2446
2098	# save first because save cedes
2099	$self->save;
2100
2101	my $lock = cf::lock_acquire "map_data:$self->{path}";	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
2102		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
2103	return if $self->players;	2451	return if $self->players;
2104	return if $self->in_memory != cf::MAP_IN_MEMORY;	2452
		2453	# first deactivate the map and "unlink" it from the core
		2454	$self->deactivate;
		2455	$_->clear_links_to ($self) for values %cf::MAP;
		2456	$self->state (cf::MAP_SWAPPED);
		2457
		2458	# then atomically save
		2459	$self->_save;
		2460
		2461	# then free the map
		2462	$self->clear;
		2463	}
		2464
		2465	sub reset_at {
		2466	my ($self) = @_;
		2467
		2468	# TODO: safety, remove and allow resettable per-player maps
2105	return if $self->{deny_save};	2469	return 1e99 if $self->{deny_reset};
2106		2470
		2471	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2472	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2473
		2474	$time + $to
		2475	}
		2476
		2477	sub should_reset {
		2478	my ($self) = @_;
		2479
		2480	$self->reset_at <= $cf::RUNTIME
		2481	}
		2482
		2483	sub reset {
		2484	my ($self) = @_;
		2485
		2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2487
		2488	return if $self->players;
		2489
		2490	cf::trace "resetting map ", $self->path, "\n";
		2491
2107	$self->in_memory (cf::MAP_SWAPPED);	2492	$self->state (cf::MAP_SWAPPED);
		2493
		2494	# need to save uniques path
		2495	unless ($self->{deny_save}) {
		2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2497
		2498	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2499	if $uniq;
		2500	}
		2501
		2502	delete $cf::MAP{$self->path};
2108		2503
2109	$self->deactivate;	2504	$self->deactivate;
2110	$_->clear_links_to ($self) for values %cf::MAP;	2505	$_->clear_links_to ($self) for values %cf::MAP;
2111	$self->clear;	2506	$self->clear;
2112	}
2113
2114	sub reset_at {
2115	my ($self) = @_;
2116
2117	# TODO: safety, remove and allow resettable per-player maps
2118	return 1e99 if $self->{deny_reset};
2119
2120	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2121	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2122
2123	$time + $to
2124	}
2125
2126	sub should_reset {
2127	my ($self) = @_;
2128
2129	$self->reset_at <= $cf::RUNTIME
2130	}
2131
2132	sub reset {
2133	my ($self) = @_;
2134
2135	my $lock = cf::lock_acquire "map_data:$self->{path}";
2136
2137	return if $self->players;
2138
2139	warn "resetting map ", $self->path;
2140
2141	$self->in_memory (cf::MAP_SWAPPED);
2142
2143	# need to save uniques path
2144	unless ($self->{deny_save}) {
2145	my $uniq = $self->uniq_path; utf8::encode $uniq;
2146
2147	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2148	if $uniq;
2149	}
2150
2151	delete $cf::MAP{$self->path};
2152
2153	$self->deactivate;
2154	$_->clear_links_to ($self) for values %cf::MAP;
2155	$self->clear;
2156		2507
2157	$self->unlink_save;	2508	$self->unlink_save;
2158	$self->destroy;	2509	$self->destroy;
2159	}	2510	}
2160		2511
…		…
2168		2519
2169	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
2170		2521
2171	$self->unlink_save;	2522	$self->unlink_save;
2172		2523
2173	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
2174	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
2175	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
2176	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
2177	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2178		2529
…		…
2227		2578
2228	sub unique_maps() {	2579	sub unique_maps() {
2229	[	2580	[
2230	map {	2581	map {
2231	utf8::decode $_;	2582	utf8::decode $_;
2232	/\.map$/	2583	s/\.map$//; # TODO future compatibility hack
		2584	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2585	? ()
2233	? normalise $_	2586	: normalise $_
2234	: ()
2235	} @{ aio_readdir $UNIQUEDIR or [] }	2587	} @{ aio_readdir $UNIQUEDIR or [] }
2236	]	2588	]
2237	}	2589	}
2238		2590
2239	package cf;	2591	=item cf::map::static_maps
		2592
		2593	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2594	file in the shared directory excluding F</styles> and F</editor>). May
		2595	block.
		2596
		2597	=cut
		2598
		2599	sub static_maps() {
		2600	my @dirs = "";
		2601	my @maps;
		2602
		2603	while (@dirs) {
		2604	my $dir = shift @dirs;
		2605
		2606	next if $dir eq "/styles" || $dir eq "/editor";
		2607
		2608	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2609	or return;
		2610
		2611	for (@$files) {
		2612	s/\.map$// or next;
		2613	utf8::decode $_;
		2614	push @maps, "$dir/$_";
		2615	}
		2616
		2617	push @dirs, map "$dir/$_", @$dirs;
		2618	}
		2619
		2620	\@maps
		2621	}
2240		2622
2241	=back	2623	=back
2242		2624
2243	=head3 cf::object	2625	=head3 cf::object
2244		2626
…		…
2248		2630
2249	=over 4	2631	=over 4
2250		2632
2251	=item $ob->inv_recursive	2633	=item $ob->inv_recursive
2252		2634
2253	Returns the inventory of the object _and_ their inventories, recursively.	2635	Returns the inventory of the object I<and> their inventories, recursively,
		2636	but I<not> the object itself.
2254		2637
2255	=cut	2638	=cut
2256		2639
2257	sub inv_recursive_;	2640	sub inv_recursive_;
2258	sub inv_recursive_ {	2641	sub inv_recursive_ {
…		…
2263	inv_recursive_ inv $_[0]	2646	inv_recursive_ inv $_[0]
2264	}	2647	}
2265		2648
2266	=item $ref = $ob->ref	2649	=item $ref = $ob->ref
2267		2650
2268	creates and returns a persistent reference to an objetc that can be stored as a string.	2651	Creates and returns a persistent reference to an object that can be stored as a string.
2269		2652
2270	=item $ob = cf::object::deref ($refstring)	2653	=item $ob = cf::object::deref ($refstring)
2271		2654
2272	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2655	returns the objetc referenced by refstring. may return undef when it cannot find the object,
2273	even if the object actually exists. May block.	2656	even if the object actually exists. May block.
2274		2657
2275	=cut	2658	=cut
2276		2659
2277	sub deref {	2660	sub deref {
2278	my ($ref) = @_;	2661	my ($ref) = @_;
2279		2662
2280	# temporary compatibility#TODO#remove
2281	$ref =~ s{^<}{player/<};
2282
2283	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2663	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2284	my ($uuid, $name) = ($1, $2);	2664	my ($uuid, $name) = ($1, $2);
2285	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2665	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2286	or return;	2666	or return;
2287	$pl->ob->uuid eq $uuid	2667	$pl->ob->uuid eq $uuid
2288	or return;	2668	or return;
…		…
2308	can be C<undef>. Does the right thing when the player is currently in a	2688	can be C<undef>. Does the right thing when the player is currently in a
2309	dialogue with the given NPC character.	2689	dialogue with the given NPC character.
2310		2690
2311	=cut	2691	=cut
2312		2692
		2693	our $SAY_CHANNEL = {
		2694	id => "say",
		2695	title => "Map",
		2696	reply => "say ",
		2697	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2698	};
		2699
		2700	our $CHAT_CHANNEL = {
		2701	id => "chat",
		2702	title => "Chat",
		2703	reply => "chat ",
		2704	tooltip => "Player chat and shouts, global to the server.",
		2705	};
		2706
2313	# rough implementation of a future "reply" method that works	2707	# rough implementation of a future "reply" method that works
2314	# with dialog boxes.	2708	# with dialog boxes.
2315	#TODO: the first argument must go, split into a $npc->reply_to ( method	2709	#TODO: the first argument must go, split into a $npc->reply_to ( method
2316	sub cf::object::player::reply($$$;$) {	2710	sub cf::object::player::reply($$$;$) {
2317	my ($self, $npc, $msg, $flags) = @_;	2711	my ($self, $npc, $msg, $flags) = @_;
…		…
2328	my $dialog = $pl->{npc_dialog};	2722	my $dialog = $pl->{npc_dialog};
2329	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2723	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2330		2724
2331	} else {	2725	} else {
2332	$msg = $npc->name . " says: $msg" if $npc;	2726	$msg = $npc->name . " says: $msg" if $npc;
2333	$self->message ($msg, $flags);	2727	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2334	}	2728	}
2335	}	2729	}
2336	}	2730	}
2337		2731
2338	=item $object->send_msg ($channel, $msg, $color, [extra...])	2732	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2348	=item $player_object->may ("access")	2742	=item $player_object->may ("access")
2349		2743
2350	Returns wether the given player is authorized to access resource "access"	2744	Returns wether the given player is authorized to access resource "access"
2351	(e.g. "command_wizcast").	2745	(e.g. "command_wizcast").
2352		2746
		2747	This is implemented by checking a config setting of C<may_access> where
		2748	C<access> is replaced by the access string. The following alternatives are
		2749	possible (and are tested in order):
		2750
		2751	=over 4
		2752
		2753	=item * Player is DM
		2754
		2755	The request will succeed.
		2756
		2757	=item * may_access is an array reference
		2758
		2759	If either the player nickname or UUID is in the array, the request will
		2760	succeed, otherwise it will fail.
		2761
		2762	=item * may_access is a true value
		2763
		2764	The request will succeed.
		2765
		2766	=item * may_access is missing or false
		2767
		2768	The request will fail.
		2769
		2770	=back
		2771
2353	=cut	2772	=cut
2354		2773
2355	sub cf::object::player::may {	2774	sub cf::object::player::may {
2356	my ($self, $access) = @_;	2775	my ($self, $access) = @_;
2357		2776
2358	$self->flag (cf::FLAG_WIZ) ||	2777	$self->flag (cf::FLAG_WIZ) ||
2359	(ref $cf::CFG{"may_$access"}	2778	(ref $cf::CFG{"may_$access"}
2360	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2779	? scalar grep $self->name eq $_ || $self->uuid eq $_, @{$cf::CFG{"may_$access"}}
2361	: $cf::CFG{"may_$access"})	2780	: $cf::CFG{"may_$access"})
2362	}	2781	}
2363		2782
2364	=item $player_object->enter_link	2783	=item $player_object->enter_link
2365		2784
2366	Freezes the player and moves him/her to a special map (C<{link}>).	2785	Freezes the player and moves him/her to a special map (C<{link}>).
2367		2786
2368	The player should be reasonably safe there for short amounts of time. You	2787	The player should be reasonably safe there for short amounts of time (e.g.
2369	I<MUST> call C<leave_link> as soon as possible, though.	2788	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2789	though, as the player cannot control the character while it is on the link
		2790	map.
2370		2791
2371	Will never block.	2792	This method will never block, which is the whole reaosn for it's
		2793	existance: you can I<always> put a player onto the link map, which is the
		2794	only place to put objects that is guaranteed to exist.
		2795
		2796	A typical usage pattern is to call C<enter_link> synchronously from the
		2797	server, then start a new thread, do your blocking stuff there and then
		2798	call C<leave_link> from that thread.
2372		2799
2373	=item $player_object->leave_link ($map, $x, $y)	2800	=item $player_object->leave_link ($map, $x, $y)
2374		2801
2375	Moves the player out of the special C<{link}> map onto the specified	2802	Moves the player out of the special C<{link}> map onto the specified
2376	map. If the map is not valid (or omitted), the player will be moved back	2803	map. If the map is not valid (or omitted), the player will be moved back
…		…
2394	sub cf::object::player::enter_link {	2821	sub cf::object::player::enter_link {
2395	my ($self) = @_;	2822	my ($self) = @_;
2396		2823
2397	$self->deactivate_recursive;	2824	$self->deactivate_recursive;
2398		2825
		2826	++$self->{_link_recursion};
		2827
2399	return if UNIVERSAL::isa $self->map, "ext::map_link";	2828	return if UNIVERSAL::isa $self->map, "ext::map_link";
2400		2829
2401	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2830	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2402	if $self->map && $self->map->{path} ne "{link}";	2831	if $self->map && $self->map->{path} ne "{link}";
2403		2832
2404	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2833	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2405	}	2834	}
2406		2835
2407	sub cf::object::player::leave_link {	2836	sub cf::object::player::leave_link {
2408	my ($self, $map, $x, $y) = @_;	2837	my ($self, $map, $x, $y) = @_;
2409		2838
…		…
2426	($x, $y) = (-1, -1)	2855	($x, $y) = (-1, -1)
2427	unless (defined $x) && (defined $y);	2856	unless (defined $x) && (defined $y);
2428		2857
2429	# use -1 or undef as default coordinates, not 0, 0	2858	# use -1 or undef as default coordinates, not 0, 0
2430	($x, $y) = ($map->enter_x, $map->enter_y)	2859	($x, $y) = ($map->enter_x, $map->enter_y)
2431	if $x <=0 && $y <= 0;	2860	if $x <= 0 && $y <= 0;
2432		2861
2433	$map->load;	2862	$map->load;
2434	$map->load_neighbours;
2435		2863
2436	return unless $self->contr->active;	2864	return unless $self->contr->active;
2437	$self->activate_recursive;
2438		2865
2439	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2866	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2440	$self->enter_map ($map, $x, $y);	2867	if ($self->enter_map ($map, $x, $y)) {
2441	}	2868	# entering was successful
		2869	delete $self->{_link_recursion};
		2870	# only activate afterwards, to support waiting in hooks
		2871	$self->activate_recursive;
		2872	}
2442		2873
		2874	}
		2875
2443	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2876	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2444		2877
2445	Moves the player to the given map-path and coordinates by first freezing	2878	Moves the player to the given map-path and coordinates by first freezing
2446	her, loading and preparing them map, calling the provided $check callback	2879	her, loading and preparing them map, calling the provided $check callback
2447	that has to return the map if sucecssful, and then unfreezes the player on	2880	that has to return the map if sucecssful, and then unfreezes the player on
2448	the new (success) or old (failed) map position. In either case, $done will	2881	the new (success) or old (failed) map position. In either case, $done will
2449	be called at the end of this process.	2882	be called at the end of this process.
2450		2883
		2884	Note that $check will be called with a potentially non-loaded map, so if
		2885	it needs a loaded map it has to call C<< ->load >>.
		2886
2451	=cut	2887	=cut
2452		2888
2453	our $GOTOGEN;	2889	our $GOTOGEN;
2454		2890
2455	sub cf::object::player::goto {	2891	sub cf::object::player::goto {
2456	my ($self, $path, $x, $y, $check, $done) = @_;	2892	my ($self, $path, $x, $y, $check, $done) = @_;
2457		2893
		2894	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2895	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2896	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2897	($path, $x, $y) = @$EMERGENCY_POSITION;
		2898	}
		2899
2458	# do generation counting so two concurrent goto's will be executed in-order	2900	# do generation counting so two concurrent goto's will be executed in-order
2459	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2901	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2460		2902
2461	$self->enter_link;	2903	$self->enter_link;
2462		2904
2463	(async {	2905	(async {
		2906	$Coro::current->{desc} = "player::goto $path $x $y";
		2907
2464	# *tag paths override both path and x|y	2908	# *tag paths override both path and x|y
2465	if ($path =~ /^\*(.*)$/) {	2909	if ($path =~ /^\*(.*)$/) {
2466	if (my @obs = grep $_->map, ext::map_tags::find $1) {	2910	if (my @obs = grep $_->map, ext::map_tags::find $1) {
2467	my $ob = $obs[rand @obs];	2911	my $ob = $obs[rand @obs];
2468		2912
…		…
2479	($path, $x, $y) = (undef, undef, undef);	2923	($path, $x, $y) = (undef, undef, undef);
2480	}	2924	}
2481	}	2925	}
2482		2926
2483	my $map = eval {	2927	my $map = eval {
2484	my $map = defined $path ? cf::map::find $path : undef;	2928	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2485		2929
2486	if ($map) {	2930	if ($map) {
2487	$map = $map->customise_for ($self);	2931	$map = $map->customise_for ($self);
2488	$map = $check->($map) if $check && $map;	2932	$map = $check->($map, $x, $y, $self) if $check && $map;
2489	} else {	2933	} else {
2490	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2934	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2491	}	2935	}
2492		2936
2493	$map	2937	$map
…		…
2501	if ($gen == $self->{_goto_generation}) {	2945	if ($gen == $self->{_goto_generation}) {
2502	delete $self->{_goto_generation};	2946	delete $self->{_goto_generation};
2503	$self->leave_link ($map, $x, $y);	2947	$self->leave_link ($map, $x, $y);
2504	}	2948	}
2505		2949
2506	$done->() if $done;	2950	$done->($self) if $done;
2507	})->prio (1);	2951	})->prio (1);
2508	}	2952	}
2509		2953
2510	=item $player_object->enter_exit ($exit_object)	2954	=item $player_object->enter_exit ($exit_object)
2511		2955
…		…
2531	}	2975	}
2532		2976
2533	sub prepare_random_map {	2977	sub prepare_random_map {
2534	my ($exit) = @_;	2978	my ($exit) = @_;
2535		2979
2536	my $guard = cf::lock_acquire "exit_prepare:$exit";
2537
2538	# all this does is basically replace the /! path by	2980	# all this does is basically replace the /! path by
2539	# a new random map path (?random/...) with a seed	2981	# a new random map path (?random/...) with a seed
2540	# that depends on the exit object	2982	# that depends on the exit object
2541		2983
2542	my $rmp = parse_random_map_params $exit->msg;	2984	my $rmp = parse_random_map_params $exit->msg;
…		…
2544	if ($exit->map) {	2986	if ($exit->map) {
2545	$rmp->{region} = $exit->region->name;	2987	$rmp->{region} = $exit->region->name;
2546	$rmp->{origin_map} = $exit->map->path;	2988	$rmp->{origin_map} = $exit->map->path;
2547	$rmp->{origin_x} = $exit->x;	2989	$rmp->{origin_x} = $exit->x;
2548	$rmp->{origin_y} = $exit->y;	2990	$rmp->{origin_y} = $exit->y;
		2991
		2992	$exit->map->touch;
2549	}	2993	}
2550		2994
2551	$rmp->{random_seed} ||= $exit->random_seed;	2995	$rmp->{random_seed} ||= $exit->random_seed;
2552		2996
2553	my $data = cf::to_json $rmp;	2997	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2554	my $md5 = Digest::MD5::md5_hex $data;	2998	my $md5 = Digest::MD5::md5_hex $data;
2555	my $meta = "$RANDOMDIR/$md5.meta";	2999	my $meta = "$RANDOMDIR/$md5.meta";
2556		3000
2557	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	3001	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2558	aio_write $fh, 0, (length $data), $data, 0;	3002	aio_write $fh, 0, (length $data), $data, 0;
2559	undef $fh;	3003	undef $fh;
2560	aio_rename "$meta~", $meta;	3004	aio_rename "$meta~", $meta;
2561		3005
		3006	my $slaying = "?random/$md5";
		3007
		3008	if ($exit->valid) {
2562	$exit->slaying ("?random/$md5");	3009	$exit->slaying ("?random/$md5");
2563	$exit->msg (undef);	3010	$exit->msg (undef);
		3011	}
2564	}	3012	}
2565	}	3013	}
2566		3014
2567	sub cf::object::player::enter_exit {	3015	sub cf::object::player::enter_exit {
2568	my ($self, $exit) = @_;	3016	my ($self, $exit) = @_;
2569		3017
2570	return unless $self->type == cf::PLAYER;	3018	return unless $self->type == cf::PLAYER;
2571		3019
2572	if ($exit->slaying eq "/!") {
2573	#TODO: this should de-fi-ni-te-ly not be a sync-job
2574	# the problem is that $exit might not survive long enough
2575	# so it needs to be done right now, right here
2576	cf::sync_job { prepare_random_map $exit };
2577	}
2578
2579	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2580	my $hp = $exit->stats->hp;
2581	my $sp = $exit->stats->sp;
2582
2583	$self->enter_link;	3020	$self->enter_link;
2584		3021
2585	# if exit is damned, update players death & WoR home-position
2586	$self->contr->savebed ($slaying, $hp, $sp)
2587	if $exit->flag (FLAG_DAMNED);
2588
2589	(async {	3022	(async {
2590	$self->deactivate_recursive; # just to be sure	3023	$Coro::current->{desc} = "enter_exit";
		3024
2591	unless (eval {	3025	unless (eval {
		3026	$self->deactivate_recursive; # just to be sure
		3027
		3028	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3029	my $x = $exit->stats->hp;
		3030	my $y = $exit->stats->sp;
		3031
		3032	# special map handling
		3033	my $slaying = $exit->slaying;
		3034
		3035	# special map handling
		3036	if ($slaying eq "/!") {
		3037	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3038
		3039	prepare_random_map $exit
		3040	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3041
		3042	$map = $exit->slaying;
		3043
		3044	} elsif ($slaying eq '!up') {
		3045	$map = $exit->map->tile_path (cf::TILE_UP);
		3046	$x = $exit->x;
		3047	$y = $exit->y;
		3048
		3049	} elsif ($slaying eq '!down') {
		3050	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3051	$x = $exit->x;
		3052	$y = $exit->y;
		3053	}
		3054
2592	$self->goto ($slaying, $hp, $sp);	3055	$self->goto ($map, $x, $y);
2593		3056
		3057	# if exit is damned, update players death & WoR home-position
		3058	$self->contr->savebed ($map, $x, $y)
		3059	if $exit->flag (cf::FLAG_DAMNED);
		3060
2594	1;	3061	1
2595	}) {	3062	}) {
2596	$self->message ("Something went wrong deep within the crossfire server. "	3063	$self->message ("Something went wrong deep within the deliantra server. "
2597	. "I'll try to bring you back to the map you were before. "	3064	. "I'll try to bring you back to the map you were before. "
2598	. "Please report this to the dungeon master!",	3065	. "Please report this to the dungeon master!",
2599	cf::NDI_UNIQUE | cf::NDI_RED);	3066	cf::NDI_UNIQUE | cf::NDI_RED);
2600		3067
2601	warn "ERROR in enter_exit: $@";	3068	error "ERROR in enter_exit: $@";
2602	$self->leave_link;	3069	$self->leave_link;
2603	}	3070	}
2604	})->prio (1);	3071	})->prio (1);
2605	}	3072	}
2606		3073
2607	=head3 cf::client	3074	=head3 cf::client
2608		3075
2609	=over 4	3076	=over 4
2610		3077
2611	=item $client->send_drawinfo ($text, $flags)	3078	=item $client->send_big_packet ($pkt)
2612		3079
2613	Sends a drawinfo packet to the client. Circumvents output buffering so	3080	Like C<send_packet>, but tries to compress large packets, and fragments
2614	should not be used under normal circumstances.	3081	them as required.
2615		3082
2616	=cut	3083	=cut
2617		3084
		3085	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3086
2618	sub cf::client::send_drawinfo {	3087	sub cf::client::send_big_packet {
2619	my ($self, $text, $flags) = @_;	3088	my ($self, $pkt) = @_;
2620		3089
2621	utf8::encode $text;	3090	# try lzf for large packets
2622	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3091	$pkt = "lzf " . Compress::LZF::compress $pkt
		3092	if 1024 <= length $pkt and $self->{can_lzf};
		3093
		3094	# split very large packets
		3095	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3096	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3097	$pkt = "frag";
		3098	}
		3099
		3100	$self->send_packet ($pkt);
2623	}	3101	}
2624		3102
2625	=item $client->send_msg ($channel, $msg, $color, [extra...])	3103	=item $client->send_msg ($channel, $msg, $color, [extra...])
2626		3104
2627	Send a drawinfo or msg packet to the client, formatting the msg for the	3105	Send a msg packet to the client, formatting the msg for the client if
2628	client if neccessary. C<$type> should be a string identifying the type of	3106	necessary. C<$type> should be a string identifying the type of the
2629	the message, with C<log> being the default. If C<$color> is negative, suppress	3107	message, with C<log> being the default. If C<$color> is negative, suppress
2630	the message unless the client supports the msg packet.	3108	the message unless the client supports the msg packet.
2631		3109
2632	=cut	3110	=cut
2633		3111
		3112	# non-persistent channels (usually the info channel)
2634	our %CHANNEL = (	3113	our %CHANNEL = (
		3114	"c/motd" => {
		3115	id => "infobox",
		3116	title => "MOTD",
		3117	reply => undef,
		3118	tooltip => "The message of the day",
		3119	},
2635	"c/identify" => {	3120	"c/identify" => {
2636	id => "identify",	3121	id => "infobox",
2637	title => "Identify",	3122	title => "Identify",
2638	reply => undef,	3123	reply => undef,
2639	tooltip => "Items recently identified",	3124	tooltip => "Items recently identified",
2640	},	3125	},
2641	"c/examine" => {	3126	"c/examine" => {
2642	id => "examine",	3127	id => "infobox",
2643	title => "Examine",	3128	title => "Examine",
2644	reply => undef,	3129	reply => undef,
2645	tooltip => "Signs and other items you examined",	3130	tooltip => "Signs and other items you examined",
2646	},	3131	},
		3132	"c/shopinfo" => {
		3133	id => "infobox",
		3134	title => "Shop Info",
		3135	reply => undef,
		3136	tooltip => "What your bargaining skill tells you about the shop",
		3137	},
		3138	"c/book" => {
		3139	id => "infobox",
		3140	title => "Book",
		3141	reply => undef,
		3142	tooltip => "The contents of a note or book",
		3143	},
		3144	"c/lookat" => {
		3145	id => "infobox",
		3146	title => "Look",
		3147	reply => undef,
		3148	tooltip => "What you saw there",
		3149	},
		3150	"c/who" => {
		3151	id => "infobox",
		3152	title => "Players",
		3153	reply => undef,
		3154	tooltip => "Shows players who are currently online",
		3155	},
		3156	"c/body" => {
		3157	id => "infobox",
		3158	title => "Body Parts",
		3159	reply => undef,
		3160	tooltip => "Shows which body parts you posess and are available",
		3161	},
		3162	"c/statistics" => {
		3163	id => "infobox",
		3164	title => "Statistics",
		3165	reply => undef,
		3166	tooltip => "Shows your primary statistics",
		3167	},
		3168	"c/skills" => {
		3169	id => "infobox",
		3170	title => "Skills",
		3171	reply => undef,
		3172	tooltip => "Shows your experience per skill and item power",
		3173	},
		3174	"c/shopitems" => {
		3175	id => "infobox",
		3176	title => "Shop Items",
		3177	reply => undef,
		3178	tooltip => "Shows the items currently for sale in this shop",
		3179	},
		3180	"c/resistances" => {
		3181	id => "infobox",
		3182	title => "Resistances",
		3183	reply => undef,
		3184	tooltip => "Shows your resistances",
		3185	},
		3186	"c/pets" => {
		3187	id => "infobox",
		3188	title => "Pets",
		3189	reply => undef,
		3190	tooltip => "Shows information abotu your pets/a specific pet",
		3191	},
		3192	"c/perceiveself" => {
		3193	id => "infobox",
		3194	title => "Perceive Self",
		3195	reply => undef,
		3196	tooltip => "You gained detailed knowledge about yourself",
		3197	},
		3198	"c/uptime" => {
		3199	id => "infobox",
		3200	title => "Uptime",
		3201	reply => undef,
		3202	tooltip => "How long the server has been running since last restart",
		3203	},
		3204	"c/mapinfo" => {
		3205	id => "infobox",
		3206	title => "Map Info",
		3207	reply => undef,
		3208	tooltip => "Information related to the maps",
		3209	},
		3210	"c/party" => {
		3211	id => "party",
		3212	title => "Party",
		3213	reply => "gsay ",
		3214	tooltip => "Messages and chat related to your party",
		3215	},
		3216	"c/death" => {
		3217	id => "death",
		3218	title => "Death",
		3219	reply => undef,
		3220	tooltip => "Reason for and more info about your most recent death",
		3221	},
		3222	"c/fatal" => {
		3223	id => "fatal",
		3224	title => "Fatal Error",
		3225	reply => undef,
		3226	tooltip => "Reason for the server disconnect",
		3227	},
		3228	"c/say" => $SAY_CHANNEL,
		3229	"c/chat" => $CHAT_CHANNEL,
2647	);	3230	);
2648		3231
2649	sub cf::client::send_msg {	3232	sub cf::client::send_msg {
2650	my ($self, $channel, $msg, $color, @extra) = @_;	3233	my ($self, $channel, $msg, $color, @extra) = @_;
2651		3234
2652	$msg = $self->pl->expand_cfpod ($msg);	3235	$msg = $self->pl->expand_cfpod ($msg)
		3236	unless $color & cf::NDI_VERBATIM;
2653		3237
2654	$color &= cf::NDI_CLIENT_MASK; # just in case...	3238	$color &= cf::NDI_CLIENT_MASK; # just in case...
2655		3239
2656	# check predefined channels, for the benefit of C	3240	# check predefined channels, for the benefit of C
2657	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	3241	if ($CHANNEL{$channel}) {
		3242	$channel = $CHANNEL{$channel};
2658		3243
		3244	$self->ext_msg (channel_info => $channel);
		3245	$channel = $channel->{id};
		3246
2659	if (ref $channel) {	3247	} elsif (ref $channel) {
2660	# send meta info to client, if not yet sent	3248	# send meta info to client, if not yet sent
2661	unless (exists $self->{channel}{$channel->{id}}) {	3249	unless (exists $self->{channel}{$channel->{id}}) {
2662	$self->{channel}{$channel->{id}} = $channel;	3250	$self->{channel}{$channel->{id}} = $channel;
2663	$self->ext_msg (channel_info => $channel)	3251	$self->ext_msg (channel_info => $channel);
2664	if $self->can_msg;
2665	}	3252	}
2666		3253
2667	$channel = $channel->{id};	3254	$channel = $channel->{id};
2668	}	3255	}
2669		3256
2670	return unless @extra || length $msg;	3257	return unless @extra || length $msg;
2671		3258
2672	if ($self->can_msg) {
2673	# default colour, mask it out	3259	# default colour, mask it out
2674	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3260	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2675	if $color & cf::NDI_DEF;	3261	if $color & cf::NDI_DEF;
2676		3262
2677	$self->send_packet ("msg " . $self->{json_coder}->encode (	3263	my $pkt = "msg "
		3264	. $self->{json_coder}->encode (
2678	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3265	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2679	} else {	3266	);
2680	if ($color >= 0) {
2681	# replace some tags by gcfclient-compatible ones
2682	for ($msg) {
2683	1 while
2684	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2685	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2686	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2687	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2688	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2689	}
2690		3267
2691	$color &= cf::NDI_COLOR_MASK;	3268	$self->send_big_packet ($pkt);
2692
2693	utf8::encode $msg;
2694
2695	if (0 && $msg =~ /\[/) {
2696	# COMMAND/INFO
2697	$self->send_packet ("drawextinfo $color 10 8 $msg")
2698	} else {
2699	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2700	$self->send_packet ("drawinfo $color $msg")
2701	}
2702	}
2703	}
2704	}	3269	}
2705		3270
2706	=item $client->ext_msg ($type, @msg)	3271	=item $client->ext_msg ($type, @msg)
2707		3272
2708	Sends an ext event to the client.	3273	Sends an ext event to the client.
…		…
2710	=cut	3275	=cut
2711		3276
2712	sub cf::client::ext_msg($$@) {	3277	sub cf::client::ext_msg($$@) {
2713	my ($self, $type, @msg) = @_;	3278	my ($self, $type, @msg) = @_;
2714		3279
2715	if ($self->extcmd == 2) {
2716	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3280	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2717	} elsif ($self->extcmd == 1) { # TODO: remove
2718	push @msg, msgtype => "event_$type";
2719	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2720	}
2721	}
2722
2723	=item $client->ext_reply ($msgid, @msg)
2724
2725	Sends an ext reply to the client.
2726
2727	=cut
2728
2729	sub cf::client::ext_reply($$@) {
2730	my ($self, $id, @msg) = @_;
2731
2732	if ($self->extcmd == 2) {
2733	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2734	} elsif ($self->extcmd == 1) {
2735	#TODO: version 1, remove
2736	unshift @msg, msgtype => "reply", msgid => $id;
2737	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2738	}
2739	}	3281	}
2740		3282
2741	=item $success = $client->query ($flags, "text", \&cb)	3283	=item $success = $client->query ($flags, "text", \&cb)
2742		3284
2743	Queues a query to the client, calling the given callback with	3285	Queues a query to the client, calling the given callback with
…		…
2763		3305
2764	$self->send_packet ($self->{query_queue}[0][0])	3306	$self->send_packet ($self->{query_queue}[0][0])
2765	if @{ $self->{query_queue} } == 1;	3307	if @{ $self->{query_queue} } == 1;
2766		3308
2767	1	3309	1
		3310	}
		3311
		3312	=item $client->update_command_faces
		3313
		3314	=cut
		3315
		3316	our %COMMAND_FACE;
		3317
		3318	sub cf::client::update_command_faces {
		3319	my ($self) = @_;
		3320
		3321	my @faces = grep $_,
		3322	$COMMAND_FACE{preferred},
		3323	$COMMAND_FACE{standard},
		3324	$COMMAND_FACE{skill},
		3325	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3326	$COMMAND_FACE{emote},
		3327	;
		3328
		3329	$self->send_face ($_)
		3330	for @faces;
		3331	$self->flush_fx;
		3332
		3333	$self->ext_msg (command_list => @faces);
		3334	}
		3335
		3336	=item cf::client::set_command_face $type, $commands
		3337
		3338	=cut
		3339
		3340	sub cf::client::set_command_face {
		3341	my ($type, $list) = @_;
		3342
		3343	my $idx = &cf::face::set ( #d# ugly forward reference
		3344	"command_list/$type" => cf::FT_RSRC,
		3345	JSON::XS->new->utf8->encode ([ sort @$list ])
		3346	);
		3347
		3348	$COMMAND_FACE{$type} = $idx;
2768	}	3349	}
2769		3350
2770	cf::client->attach (	3351	cf::client->attach (
2771	on_connect => sub {	3352	on_connect => sub {
2772	my ($ns) = @_;	3353	my ($ns) = @_;
…		…
2798	my ($ns, $buf) = @_;	3379	my ($ns, $buf) = @_;
2799		3380
2800	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3381	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2801		3382
2802	if (ref $msg) {	3383	if (ref $msg) {
2803	my ($type, $reply, @payload) =	3384	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2804	"ARRAY" eq ref $msg
2805	? @$msg
2806	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2807		3385
2808	my @reply;
2809
2810	if (my $cb = $EXTICMD{$type}) {	3386	if (my $cb = $EXTIACMD{$type}) {
		3387	$cb->(
		3388	$ns,
		3389	sub {
		3390	$ns->ext_msg ("reply-$reply", @_)
		3391	if $reply;
		3392	},
		3393	@payload
		3394	);
		3395	} else {
		3396	my @reply;
		3397
		3398	if (my $cb = $EXTICMD{$type}) {
2811	@reply = $cb->($ns, @payload);	3399	@reply = $cb->($ns, @payload);
		3400	}
		3401
		3402	$ns->ext_msg ("reply-$reply", @reply)
		3403	if $reply;
2812	}	3404	}
2813
2814	$ns->ext_reply ($reply, @reply)
2815	if $reply;
2816
2817	} else {	3405	} else {
2818	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3406	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2819	}	3407	}
2820		3408
2821	cf::override;	3409	cf::override;
2822	},	3410	},
2823	);	3411	);
…		…
2843		3431
2844	$coro	3432	$coro
2845	}	3433	}
2846		3434
2847	cf::client->attach (	3435	cf::client->attach (
2848	on_destroy => sub {	3436	on_client_destroy => sub {
2849	my ($ns) = @_;	3437	my ($ns) = @_;
2850		3438
2851	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3439	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2852	},	3440	},
2853	);	3441	);
…		…
2869	our $safe_hole = new Safe::Hole;	3457	our $safe_hole = new Safe::Hole;
2870		3458
2871	$SIG{FPE} = 'IGNORE';	3459	$SIG{FPE} = 'IGNORE';
2872		3460
2873	$safe->permit_only (Opcode::opset qw(	3461	$safe->permit_only (Opcode::opset qw(
2874	:base_core :base_mem :base_orig :base_math	3462	:base_core :base_mem :base_orig :base_math :base_loop
2875	grepstart grepwhile mapstart mapwhile	3463	grepstart grepwhile mapstart mapwhile
2876	sort time	3464	sort time
2877	));	3465	));
2878		3466
2879	# here we export the classes and methods available to script code	3467	# here we export the classes and methods available to script code
…		…
2881	=pod	3469	=pod
2882		3470
2883	The following functions and methods are available within a safe environment:	3471	The following functions and methods are available within a safe environment:
2884		3472
2885	cf::object	3473	cf::object
2886	contr pay_amount pay_player map x y force_find force_add	3474	contr pay_amount pay_player map x y force_find force_add destroy
2887	insert remove name archname title slaying race decrease_ob_nr	3475	insert remove name archname title slaying race decrease split
		3476	value
2888		3477
2889	cf::object::player	3478	cf::object::player
2890	player	3479	player
2891		3480
2892	cf::player	3481	cf::player
…		…
2897		3486
2898	=cut	3487	=cut
2899		3488
2900	for (	3489	for (
2901	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3490	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2902	insert remove inv name archname title slaying race	3491	insert remove inv nrof name archname title slaying race
2903	decrease_ob_nr)],	3492	decrease split destroy change_exp value msg lore send_msg)],
2904	["cf::object::player" => qw(player)],	3493	["cf::object::player" => qw(player)],
2905	["cf::player" => qw(peaceful)],	3494	["cf::player" => qw(peaceful send_msg)],
2906	["cf::map" => qw(trigger)],	3495	["cf::map" => qw(trigger)],
2907	) {	3496	) {
2908	no strict 'refs';
2909	my ($pkg, @funs) = @$_;	3497	my ($pkg, @funs) = @$_;
2910	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3498	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2911	for @funs;	3499	for @funs;
2912	}	3500	}
2913		3501
…		…
2928		3516
2929	my $qcode = $code;	3517	my $qcode = $code;
2930	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3518	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2931	$qcode =~ s/\n/\\n/g;	3519	$qcode =~ s/\n/\\n/g;
2932		3520
		3521	%vars = (_dummy => 0) unless %vars;
		3522
		3523	my @res;
2933	local $_;	3524	local $_;
2934	local @safe::cf::_safe_eval_args = values %vars;
2935		3525
2936	my $eval =	3526	my $eval =
2937	"do {\n"	3527	"do {\n"
2938	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3528	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2939	. "#line 0 \"{$qcode}\"\n"	3529	. "#line 0 \"{$qcode}\"\n"
2940	. $code	3530	. $code
2941	. "\n}"	3531	. "\n}"
2942	;	3532	;
2943		3533
		3534	if ($CFG{safe_eval}) {
2944	sub_generation_inc;	3535	sub_generation_inc;
		3536	local @safe::cf::_safe_eval_args = values %vars;
2945	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3537	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2946	sub_generation_inc;	3538	sub_generation_inc;
		3539	} else {
		3540	local @cf::_safe_eval_args = values %vars;
		3541	@res = wantarray ? eval eval : scalar eval $eval;
		3542	}
2947		3543
2948	if ($@) {	3544	if ($@) {
2949	warn "$@";	3545	warn "$@",
2950	warn "while executing safe code '$code'\n";	3546	"while executing safe code '$code'\n",
2951	warn "with arguments " . (join " ", %vars) . "\n";	3547	"with arguments " . (join " ", %vars) . "\n";
2952	}	3548	}
2953		3549
2954	wantarray ? @res : $res[0]	3550	wantarray ? @res : $res[0]
2955	}	3551	}
2956		3552
…		…
2970	=cut	3566	=cut
2971		3567
2972	sub register_script_function {	3568	sub register_script_function {
2973	my ($fun, $cb) = @_;	3569	my ($fun, $cb) = @_;
2974		3570
2975	no strict 'refs';	3571	$fun = "safe::$fun" if $CFG{safe_eval};
2976	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3572	*$fun = $safe_hole->wrap ($cb);
2977	}	3573	}
2978		3574
2979	=back	3575	=back
2980		3576
2981	=cut	3577	=cut
2982		3578
2983	#############################################################################	3579	#############################################################################
2984	# the server's init and main functions	3580	# the server's init and main functions
2985		3581
		3582	{
		3583	package cf::face;
		3584
		3585	our %HASH; # hash => idx
		3586	our @DATA; # dynamically-created facedata, only faceste 0 used
		3587	our @FOFS; # file offset, if > 0
		3588	our @SIZE; # size of face, in octets
		3589	our @META; # meta hash of face, if any
		3590	our $DATAFH; # facedata filehandle
		3591
		3592	# internal api, not finalised
		3593	sub set {
		3594	my ($name, $type, $data) = @_;
		3595
		3596	my $idx = cf::face::find $name;
		3597
		3598	if ($idx) {
		3599	delete $HASH{cf::face::get_csum $idx};
		3600	} else {
		3601	$idx = cf::face::alloc $name;
		3602	}
		3603
		3604	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3605
		3606	cf::face::set_type $idx, $type;
		3607	cf::face::set_csum $idx, 0, $hash;
		3608
		3609	# we need to destroy the SV itself, not just modify it, as a running ix
		3610	# might hold a reference to it: "delete" achieves that.
		3611	delete $FOFS[0][$idx];
		3612	delete $DATA[0][$idx];
		3613	$DATA[0][$idx] = $data;
		3614	$SIZE[0][$idx] = length $data;
		3615	delete $META[$idx];
		3616	$HASH{$hash} = $idx;#d#
		3617
		3618	$idx
		3619	}
		3620
		3621	sub _get_data($$$) {
		3622	my ($idx, $set, $cb) = @_;
		3623
		3624	if (defined $DATA[$set][$idx]) {
		3625	$cb->($DATA[$set][$idx]);
		3626	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3627	my $size = $SIZE[$set][$idx];
		3628	my $buf;
		3629	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3630	if ($_[0] == $size) {
		3631	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3632	$cb->($buf);
		3633	} else {
		3634	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3635	}
		3636	};
		3637	} else {
		3638	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3639	}
		3640	}
		3641
		3642	# rather ineffient
		3643	sub cf::face::get_data($;$) {
		3644	my ($idx, $set) = @_;
		3645
		3646	_get_data $idx, $set, Coro::rouse_cb;
		3647	Coro::rouse_wait
		3648	}
		3649
		3650	sub cf::face::ix {
		3651	my ($ns, $set, $idx, $pri) = @_;
		3652
		3653	_get_data $idx, $set, sub {
		3654	$ns->ix_send ($idx, $pri, $_[0]);
		3655	};
		3656	}
		3657	}
		3658
2986	sub load_facedata($) {	3659	sub load_facedata($) {
2987	my ($path) = @_;	3660	my ($path) = @_;
2988		3661
2989	# HACK to clear player env face cache, we need some signal framework
2990	# for this (global event?)
2991	%ext::player_env::MUSIC_FACE_CACHE = ();
2992
2993	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3662	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2994		3663
2995	warn "loading facedata from $path\n";	3664	trace "loading facedata from $path\n";
2996		3665
2997	my $facedata;	3666	my $facedata = decode_storable load_file "$path/faceinfo";
2998	0 < aio_load $path, $facedata
2999	or die "$path: $!";
3000
3001	$facedata = Coro::Storable::thaw $facedata;
3002		3667
3003	$facedata->{version} == 2	3668	$facedata->{version} == 2
3004	or cf::cleanup "$path: version mismatch, cannot proceed.";	3669	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
3005		3670
3006	# patch in the exptable	3671	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
3007	$facedata->{resource}{"res/exp_table"} = {	3672	or cf::cleanup "$path/facedata: $!, cannot proceed.";
3008	type => FT_RSRC,	3673
3009	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3674	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
3010	};	3675
3011	cf::cede_to_tick;	3676	# BEGIN ATOMIC
		3677	# from here on, everything must be atomic - no thread switch allowed
		3678	my $t1 = EV::time;
3012		3679
3013	{	3680	{
3014	my $faces = $facedata->{faceinfo};	3681	my $faces = $facedata->{faceinfo};
3015		3682
3016	while (my ($face, $info) = each %$faces) {	3683	for my $face (sort keys %$faces) {
		3684	my $info = $faces->{$face};
3017	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3685	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3686
3018	cf::face::set_visibility $idx, $info->{visibility};	3687	cf::face::set_visibility $idx, $info->{visibility};
3019	cf::face::set_magicmap $idx, $info->{magicmap};	3688	cf::face::set_magicmap $idx, $info->{magicmap};
3020	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3689	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
3021	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3690	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
3022		3691	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
3023	cf::cede_to_tick;	3692	$cf::face::HASH{$info->{hash64}} = $idx;
		3693	delete $cf::face::META[$idx];
3024	}	3694	}
3025		3695
3026	while (my ($face, $info) = each %$faces) {	3696	while (my ($face, $info) = each %$faces) {
3027	next unless $info->{smooth};	3697	next unless $info->{smooth};
		3698
3028	my $idx = cf::face::find $face	3699	my $idx = cf::face::find $face
3029	or next;	3700	or next;
		3701
3030	if (my $smooth = cf::face::find $info->{smooth}) {	3702	if (my $smooth = cf::face::find $info->{smooth}) {
3031	cf::face::set_smooth $idx, $smooth;	3703	cf::face::set_smooth $idx, $smooth;
3032	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3704	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3033	} else {	3705	} else {
3034	warn "smooth face '$info->{smooth}' not found for face '$face'";	3706	error "smooth face '$info->{smooth}' not found for face '$face'";
3035	}	3707	}
3036
3037	cf::cede_to_tick;
3038	}	3708	}
3039	}	3709	}
3040		3710
3041	{	3711	{
3042	my $anims = $facedata->{animinfo};	3712	my $anims = $facedata->{animinfo};
3043		3713
3044	while (my ($anim, $info) = each %$anims) {	3714	while (my ($anim, $info) = each %$anims) {
3045	cf::anim::set $anim, $info->{frames}, $info->{facings};	3715	cf::anim::set $anim, $info->{frames}, $info->{facings};
3046	cf::cede_to_tick;
3047	}	3716	}
3048		3717
3049	cf::anim::invalidate_all; # d'oh	3718	cf::anim::invalidate_all; # d'oh
3050	}	3719	}
3051		3720
3052	{	3721	{
3053	# TODO: for gcfclient pleasure, we should give resources
3054	# that gcfclient doesn't grok a >10000 face index.
3055	my $res = $facedata->{resource};	3722	my $res = $facedata->{resource};
3056		3723
3057	my $soundconf = delete $res->{"res/sound.conf"};
3058
3059	while (my ($name, $info) = each %$res) {	3724	while (my ($name, $info) = each %$res) {
		3725	if (defined (my $type = $info->{type})) {
		3726	# TODO: different hash - must free and use new index, or cache ixface data queue
3060	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3727	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3061	my $data;
3062		3728
3063	if ($info->{type} & 1) {	3729	cf::face::set_type $idx, $type;
3064	# prepend meta info	3730	cf::face::set_csum $idx, 0, $info->{hash};
3065		3731	$cf::face::SIZE[0][$idx] = $info->{size};
3066	my $meta = $enc->encode ({	3732	$cf::face::FOFS[0][$idx] = $info->{fofs};
3067	name => $name,	3733	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
3068	%{ $info->{meta} || {} },	3734	$cf::face::HASH{$info->{hash}} = $idx;
3069	});
3070
3071	$data = pack "(w/a*)*", $meta, $info->{data};
3072	} else {	3735	} else {
3073	$data = $info->{data};	3736	# $RESOURCE{$name} = $info; # unused
3074	}	3737	}
3075
3076	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3077	cf::face::set_type $idx, $info->{type};
3078
3079	cf::cede_to_tick;
3080	}
3081
3082	if ($soundconf) {
3083	$soundconf = $enc->decode (delete $soundconf->{data});
3084
3085	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3086	my $sound = $soundconf->{compat}[$_]
3087	or next;
3088
3089	my $face = cf::face::find "sound/$sound->[1]";
3090	cf::sound::set $sound->[0] => $face;
3091	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3092	}	3738	}
3093
3094	while (my ($k, $v) = each %{$soundconf->{event}}) {
3095	my $face = cf::face::find "sound/$v";
3096	cf::sound::set $k => $face;
3097	}
3098	}
3099	}	3739	}
		3740
		3741	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3742
		3743	# HACK to clear player env face cache, we need some signal framework
		3744	# for this (global event?)
		3745	%ext::player_env::MUSIC_FACE_CACHE = ();
		3746
		3747	# END ATOMIC
		3748
		3749	cf::debug "facedata atomic update time ", EV::time - $t1;
		3750
		3751	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3752
		3753	aio_close $fh if $fh; # close old facedata
3100		3754
3101	1	3755	1
3102	}	3756	}
3103		3757
3104	register_exticmd fx_want => sub {	3758	register_exticmd fx_want => sub {
…		…
3106		3760
3107	while (my ($k, $v) = each %$want) {	3761	while (my ($k, $v) = each %$want) {
3108	$ns->fx_want ($k, $v);	3762	$ns->fx_want ($k, $v);
3109	}	3763	}
3110	};	3764	};
		3765
		3766	sub load_resource_file($) {
		3767	my $guard = lock_acquire "load_resource_file";
		3768
		3769	my $status = load_resource_file_ $_[0];
		3770	get_slot 0.1, 100;
		3771	cf::arch::commit_load;
		3772
		3773	$status
		3774	}
		3775
		3776	sub reload_exp_table {
		3777	_reload_exp_table;
		3778
		3779	cf::face::set
		3780	"res/exp_table" => FT_RSRC,
		3781	JSON::XS->new->utf8->canonical->encode (
		3782	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3783	);
		3784	}
		3785
		3786	sub reload_materials {
		3787	_reload_materials;
		3788	}
3111		3789
3112	sub reload_regions {	3790	sub reload_regions {
3113	# HACK to clear player env face cache, we need some signal framework	3791	# HACK to clear player env face cache, we need some signal framework
3114	# for this (global event?)	3792	# for this (global event?)
3115	%ext::player_env::MUSIC_FACE_CACHE = ();	3793	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3122	if exists $_->{match};	3800	if exists $_->{match};
3123	}	3801	}
3124	}	3802	}
3125		3803
3126	sub reload_facedata {	3804	sub reload_facedata {
3127	load_facedata "$DATADIR/facedata"	3805	load_facedata $DATADIR
3128	or die "unable to load facedata\n";	3806	or die "unable to load facedata\n";
3129	}	3807	}
3130		3808
3131	sub reload_archetypes {	3809	sub reload_archetypes {
3132	load_resource_file "$DATADIR/archetypes"	3810	load_resource_file "$DATADIR/archetypes"
3133	or die "unable to load archetypes\n";	3811	or die "unable to load archetypes\n";
3134	#d# NEED to laod twice to resolve forward references	3812
3135	# this really needs to be done in an extra post-pass	3813	cf::face::set
3136	# (which needs to be synchronous, so solve it differently)	3814	"res/skill_info" => FT_RSRC,
3137	load_resource_file "$DATADIR/archetypes"	3815	JSON::XS->new->utf8->canonical->encode (
3138	or die "unable to load archetypes\n";	3816	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3817	);
		3818
		3819	cf::face::set
		3820	"res/spell_paths" => FT_RSRC,
		3821	JSON::XS->new->utf8->canonical->encode (
		3822	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3823	);
		3824
		3825	# command completion
		3826	my @commands;
		3827
		3828	for (0..cf::arch::skillvec_size - 1) {
		3829	my $skill = cf::arch::skillvec $_;
		3830	my $name = $skill->name;
		3831	my $flags = cf::skill_flags $skill->subtype;
		3832
		3833	push @commands, "ready_skill $name" if $flags & (SF_COMBAT | SF_RANGED | SF_GRACE);
		3834	push @commands, "use_skill $name" if $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3835	}
		3836
		3837	cf::client::set_command_face skill => \@commands;
3139	}	3838	}
3140		3839
3141	sub reload_treasures {	3840	sub reload_treasures {
3142	load_resource_file "$DATADIR/treasures"	3841	load_resource_file "$DATADIR/treasures"
3143	or die "unable to load treasurelists\n";	3842	or die "unable to load treasurelists\n";
3144	}	3843	}
3145		3844
		3845	sub reload_sound {
		3846	trace "loading sound config from $DATADIR/sound\n";
		3847
		3848	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3849
		3850	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3851	my $sound = $soundconf->{compat}[$_]
		3852	or next;
		3853
		3854	my $face = cf::face::find "sound/$sound->[1]";
		3855	cf::sound::set $sound->[0] => $face;
		3856	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3857	}
		3858
		3859	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3860	my $face = cf::face::find "sound/$v";
		3861	cf::sound::set $k => $face;
		3862	}
		3863	}
		3864
3146	sub reload_resources {	3865	sub reload_resources {
3147	warn "reloading resource files...\n";	3866	trace "reloading resource files...\n";
3148		3867
		3868	reload_materials;
		3869	reload_facedata;
		3870	reload_exp_table;
		3871	reload_sound;
		3872	reload_archetypes;
3149	reload_regions;	3873	reload_regions;
3150	reload_facedata;
3151	#reload_archetypes;#d#
3152	reload_archetypes;
3153	reload_treasures;	3874	reload_treasures;
3154		3875
3155	warn "finished reloading resource files\n";	3876	trace "finished reloading resource files\n";
3156	}
3157
3158	sub init {
3159	reload_resources;
3160	}	3877	}
3161		3878
3162	sub reload_config {	3879	sub reload_config {
3163	open my $fh, "<:utf8", "$CONFDIR/config"	3880	trace "reloading config file...\n";
3164	or return;
3165		3881
3166	local $/;	3882	my $config = load_file "$CONFDIR/config";
3167	*CFG = YAML::Syck::Load <$fh>;	3883	utf8::decode $config;
		3884	*CFG = decode_yaml $config;
3168		3885
3169	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3886	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3170		3887
3171	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3888	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3172	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3889	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3173		3890
3174	if (exists $CFG{mlockall}) {	3891	if (exists $CFG{mlockall}) {
…		…
3178	};	3895	};
3179	warn $@ if $@;	3896	warn $@ if $@;
3180	}	3897	}
3181	}	3898	}
3182		3899
		3900	sub pidfile() {
		3901	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3902	or die "$PIDFILE: $!";
		3903	flock $fh, &Fcntl::LOCK_EX
		3904	or die "$PIDFILE: flock: $!";
		3905	$fh
		3906	}
		3907
		3908	# make sure only one server instance is running at any one time
		3909	sub atomic {
		3910	my $fh = pidfile;
		3911
		3912	my $pid = <$fh>;
		3913	kill 9, $pid if $pid > 0;
		3914
		3915	seek $fh, 0, 0;
		3916	print $fh $$;
		3917	}
		3918
		3919	sub main_loop {
		3920	trace "EV::run starting\n";
		3921	if (1) {
		3922	EV::run;
		3923	}
		3924	trace "EV::run returned\n";
		3925	goto &main_loop unless $REALLY_UNLOOP;
		3926	}
		3927
3183	sub main {	3928	sub main {
		3929	cf::init_globals; # initialise logging
		3930
		3931	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3932	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3933	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3934	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3935
		3936	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3937
3184	# we must not ever block the main coroutine	3938	# we must not ever block the main coroutine
3185	local $Coro::idle = sub {	3939	$Coro::idle = sub {
3186	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3940	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3187	(async {	3941	(async {
3188	Event::one_event;	3942	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3943	EV::run EV::RUN_ONCE;
3189	})->prio (Coro::PRIO_MAX);	3944	})->prio (Coro::PRIO_MAX);
3190	};	3945	};
3191		3946
		3947	evthread_start IO::AIO::poll_fileno;
		3948
		3949	cf::sync_job {
		3950	cf::incloader::init ();
		3951
		3952	db_init;
		3953
		3954	cf::init_anim;
		3955	cf::init_attackmess;
		3956	cf::init_dynamic;
		3957
		3958	cf::load_settings;
		3959
		3960	reload_resources;
3192	reload_config;	3961	reload_config;
3193	db_init;	3962
		3963	cf::init_uuid;
		3964	cf::init_signals;
		3965	cf::init_skills;
		3966
		3967	cf::init_beforeplay;
		3968
		3969	atomic;
		3970
3194	load_extensions;	3971	load_extensions;
3195		3972
3196	$TICK_WATCHER->start;	3973	utime time, time, $RUNTIMEFILE;
3197	Event::loop;	3974
		3975	# no (long-running) fork's whatsoever before this point(!)
		3976	use POSIX ();
		3977	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3978
		3979	cf::_post_init 0;
		3980	};
		3981
		3982	cf::object::thawer::errors_are_fatal 0;
		3983	info "parse errors in files are no longer fatal from this point on.\n";
		3984
		3985	AE::postpone {
		3986	undef &main; # free gobs of memory :)
		3987	};
		3988
		3989	goto &main_loop;
3198	}	3990	}
3199		3991
3200	#############################################################################	3992	#############################################################################
3201	# initialisation and cleanup	3993	# initialisation and cleanup
3202		3994
3203	# install some emergency cleanup handlers	3995	# install some emergency cleanup handlers
3204	BEGIN {	3996	BEGIN {
		3997	our %SIGWATCHER = ();
3205	for my $signal (qw(INT HUP TERM)) {	3998	for my $signal (qw(INT HUP TERM)) {
3206	Event->signal (	3999	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3207	reentrant => 0,
3208	data => WF_AUTOCANCEL,
3209	signal => $signal,
3210	prio => 0,
3211	cb => sub {
3212	cf::cleanup "SIG$signal";	4000	cf::cleanup "SIG$signal";
3213	},
3214	);	4001	};
3215	}	4002	}
3216	}	4003	}
3217		4004
3218	sub write_runtime {	4005	sub write_runtime_sync {
3219	my $runtime = "$LOCALDIR/runtime";	4006	my $t0 = AE::time;
3220		4007
3221	# first touch the runtime file to show we are still running:	4008	# first touch the runtime file to show we are still running:
3222	# the fsync below can take a very very long time.	4009	# the fsync below can take a very very long time.
3223		4010
3224	IO::AIO::aio_utime $runtime, undef, undef;	4011	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3225		4012
3226	my $guard = cf::lock_acquire "write_runtime";	4013	my $guard = cf::lock_acquire "write_runtime";
3227		4014
3228	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	4015	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3229	or return;	4016	or return;
3230		4017
3231	my $value = $cf::RUNTIME + 90 + 10;	4018	my $value = $cf::RUNTIME + 90 + 10;
3232	# 10 is the runtime save interval, for a monotonic clock	4019	# 10 is the runtime save interval, for a monotonic clock
3233	# 60 allows for the watchdog to kill the server.	4020	# 60 allows for the watchdog to kill the server.
…		…
3243	aio_utime $fh, undef, undef;	4030	aio_utime $fh, undef, undef;
3244		4031
3245	close $fh	4032	close $fh
3246	or return;	4033	or return;
3247		4034
3248	aio_rename "$runtime~", $runtime	4035	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3249	and return;	4036	and return;
3250		4037
3251	warn "runtime file written.\n";	4038	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3252		4039
3253	1	4040	1
		4041	}
		4042
		4043	our $uuid_lock;
		4044	our $uuid_skip;
		4045
		4046	sub write_uuid_sync($) {
		4047	$uuid_skip ||= $_[0];
		4048
		4049	return if $uuid_lock;
		4050	local $uuid_lock = 1;
		4051
		4052	my $uuid = "$LOCALDIR/uuid";
		4053
		4054	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		4055	or return;
		4056
		4057	my $value = uuid_seq uuid_cur;
		4058
		4059	unless ($value) {
		4060	info "cowardly refusing to write zero uuid value!\n";
		4061	return;
		4062	}
		4063
		4064	my $value = uuid_str $value + $uuid_skip;
		4065	$uuid_skip = 0;
		4066
		4067	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4068	and return;
		4069
		4070	# always fsync - this file is important
		4071	aio_fsync $fh
		4072	and return;
		4073
		4074	close $fh
		4075	or return;
		4076
		4077	aio_rename "$uuid~", $uuid
		4078	and return;
		4079
		4080	trace "uuid file written ($value).\n";
		4081
		4082	1
		4083
		4084	}
		4085
		4086	sub write_uuid($$) {
		4087	my ($skip, $sync) = @_;
		4088
		4089	$sync ? write_uuid_sync $skip
		4090	: async { write_uuid_sync $skip };
3254	}	4091	}
3255		4092
3256	sub emergency_save() {	4093	sub emergency_save() {
3257	my $freeze_guard = cf::freeze_mainloop;	4094	my $freeze_guard = cf::freeze_mainloop;
3258		4095
3259	warn "enter emergency perl save\n";	4096	info "emergency_perl_save: enter\n";
		4097
		4098	# this is a trade-off: we want to be very quick here, so
		4099	# save all maps without fsync, and later call a global sync
		4100	# (which in turn might be very very slow)
		4101	local $USE_FSYNC = 0;
3260		4102
3261	cf::sync_job {	4103	cf::sync_job {
		4104	cf::write_runtime_sync; # external watchdog should not bark
		4105
3262	# use a peculiar iteration method to avoid tripping on perl	4106	# use a peculiar iteration method to avoid tripping on perl
3263	# refcount bugs in for. also avoids problems with players	4107	# refcount bugs in for. also avoids problems with players
3264	# and maps saved/destroyed asynchronously.	4108	# and maps saved/destroyed asynchronously.
3265	warn "begin emergency player save\n";	4109	info "emergency_perl_save: begin player save\n";
3266	for my $login (keys %cf::PLAYER) {	4110	for my $login (keys %cf::PLAYER) {
3267	my $pl = $cf::PLAYER{$login} or next;	4111	my $pl = $cf::PLAYER{$login} or next;
3268	$pl->valid or next;	4112	$pl->valid or next;
		4113	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3269	$pl->save;	4114	$pl->save;
3270	}	4115	}
3271	warn "end emergency player save\n";	4116	info "emergency_perl_save: end player save\n";
3272		4117
3273	warn "begin emergency map save\n";	4118	cf::write_runtime_sync; # external watchdog should not bark
		4119
		4120	info "emergency_perl_save: begin map save\n";
3274	for my $path (keys %cf::MAP) {	4121	for my $path (keys %cf::MAP) {
3275	my $map = $cf::MAP{$path} or next;	4122	my $map = $cf::MAP{$path} or next;
3276	$map->valid or next;	4123	$map->valid or next;
3277	$map->save;	4124	$map->save;
3278	}	4125	}
3279	warn "end emergency map save\n";	4126	info "emergency_perl_save: end map save\n";
3280		4127
3281	warn "begin emergency database checkpoint\n";	4128	cf::write_runtime_sync; # external watchdog should not bark
		4129
		4130	info "emergency_perl_save: begin database checkpoint\n";
3282	BDB::db_env_txn_checkpoint $DB_ENV;	4131	BDB::db_env_txn_checkpoint $DB_ENV;
3283	warn "end emergency database checkpoint\n";	4132	info "emergency_perl_save: end database checkpoint\n";
		4133
		4134	info "emergency_perl_save: begin write uuid\n";
		4135	write_uuid_sync 1;
		4136	info "emergency_perl_save: end write uuid\n";
		4137
		4138	cf::write_runtime_sync; # external watchdog should not bark
		4139
		4140	trace "emergency_perl_save: syncing database to disk";
		4141	BDB::db_env_txn_checkpoint $DB_ENV;
		4142
		4143	info "emergency_perl_save: starting sync\n";
		4144	IO::AIO::aio_sync sub {
		4145	info "emergency_perl_save: finished sync\n";
		4146	};
		4147
		4148	cf::write_runtime_sync; # external watchdog should not bark
		4149
		4150	trace "emergency_perl_save: flushing outstanding aio requests";
		4151	while (IO::AIO::nreqs || BDB::nreqs) {
		4152	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4153	}
		4154
		4155	cf::write_runtime_sync; # external watchdog should not bark
3284	};	4156	};
3285		4157
3286	warn "leave emergency perl save\n";	4158	info "emergency_perl_save: leave\n";
3287	}	4159	}
3288		4160
3289	sub post_cleanup {	4161	sub post_cleanup {
3290	my ($make_core) = @_;	4162	my ($make_core) = @_;
3291		4163
		4164	IO::AIO::flush;
		4165
3292	warn Carp::longmess "post_cleanup backtrace"	4166	error Carp::longmess "post_cleanup backtrace"
3293	if $make_core;	4167	if $make_core;
		4168
		4169	my $fh = pidfile;
		4170	unlink $PIDFILE if <$fh> == $$;
		4171	}
		4172
		4173	# a safer delete_package, copied from Symbol
		4174	sub clear_package($) {
		4175	my $pkg = shift;
		4176
		4177	# expand to full symbol table name if needed
		4178	unless ($pkg =~ /^main::.*::$/) {
		4179	$pkg = "main$pkg" if $pkg =~ /^::/;
		4180	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4181	$pkg .= '::' unless $pkg =~ /::$/;
		4182	}
		4183
		4184	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4185	my $stem_symtab = *{$stem}{HASH};
		4186
		4187	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4188	or return;
		4189
		4190	# clear all symbols
		4191	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4192	for my $name (keys %$leaf_symtab) {
		4193	_gv_clear *{"$pkg$name"};
		4194	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4195	}
3294	}	4196	}
3295		4197
3296	sub do_reload_perl() {	4198	sub do_reload_perl() {
3297	# can/must only be called in main	4199	# can/must only be called in main
3298	if ($Coro::current != $Coro::main) {	4200	unless (in_main) {
3299	warn "can only reload from main coroutine";	4201	error "can only reload from main coroutine";
3300	return;	4202	return;
3301	}	4203	}
3302		4204
3303	warn "reloading...";	4205	return if $RELOAD++;
3304		4206
3305	warn "entering sync_job";	4207	my $t1 = AE::time;
3306		4208
		4209	while ($RELOAD) {
		4210	cf::get_slot 0.1, -1, "reload_perl";
		4211	info "perl_reload: reloading...";
		4212
		4213	trace "perl_reload: entering sync_job";
		4214
3307	cf::sync_job {	4215	cf::sync_job {
3308	cf::write_runtime; # external watchdog should not bark
3309	cf::emergency_save;	4216	#cf::emergency_save;
3310	cf::write_runtime; # external watchdog should not bark
3311		4217
3312	warn "syncing database to disk";
3313	BDB::db_env_txn_checkpoint $DB_ENV;
3314
3315	# if anything goes wrong in here, we should simply crash as we already saved
3316
3317	warn "cancelling all WF_AUTOCANCEL watchers";
3318	for (Event::all_watchers) {
3319	$_->cancel if $_->data & WF_AUTOCANCEL;
3320	}
3321
3322	warn "flushing outstanding aio requests";
3323	for (;;) {
3324	BDB::flush;
3325	IO::AIO::flush;
3326	Coro::cede;
3327	last unless IO::AIO::nreqs || BDB::nreqs;
3328	warn "iterate...";
3329	}
3330
3331	++$RELOAD;
3332
3333	warn "cancelling all extension coros";	4218	trace "perl_reload: cancelling all extension coros";
3334	$_->cancel for values %EXT_CORO;	4219	$_->cancel for values %EXT_CORO;
3335	%EXT_CORO = ();	4220	%EXT_CORO = ();
3336		4221
3337	warn "removing commands";	4222	trace "perl_reload: removing commands";
3338	%COMMAND = ();	4223	%COMMAND = ();
3339		4224
3340	warn "removing ext/exti commands";	4225	trace "perl_reload: removing ext/exti commands";
3341	%EXTCMD = ();	4226	%EXTCMD = ();
3342	%EXTICMD = ();	4227	%EXTICMD = ();
3343		4228
3344	warn "unloading/nuking all extensions";	4229	trace "perl_reload: unloading/nuking all extensions";
3345	for my $pkg (@EXTS) {	4230	for my $pkg (@EXTS) {
3346	warn "... unloading $pkg";	4231	trace "... unloading $pkg";
3347		4232
3348	if (my $cb = $pkg->can ("unload")) {	4233	if (my $cb = $pkg->can ("unload")) {
3349	eval {	4234	eval {
3350	$cb->($pkg);	4235	$cb->($pkg);
3351	1	4236	1
3352	} or warn "$pkg unloaded, but with errors: $@";	4237	} or error "$pkg unloaded, but with errors: $@";
		4238	}
		4239
		4240	trace "... clearing $pkg";
		4241	clear_package $pkg;
3353	}	4242	}
3354		4243
3355	warn "... nuking $pkg";
3356	Symbol::delete_package $pkg;
3357	}
3358
3359	warn "unloading all perl modules loaded from $LIBDIR";	4244	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3360	while (my ($k, $v) = each %INC) {	4245	while (my ($k, $v) = each %INC) {
3361	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3362		4247
3363	warn "... unloading $k";	4248	trace "... unloading $k";
3364	delete $INC{$k};	4249	delete $INC{$k};
3365		4250
3366	$k =~ s/\.pm$//;	4251	$k =~ s/\.pm$//;
3367	$k =~ s/\//::/g;	4252	$k =~ s/\//::/g;
3368		4253
3369	if (my $cb = $k->can ("unload_module")) {	4254	if (my $cb = $k->can ("unload_module")) {
3370	$cb->();	4255	$cb->();
		4256	}
		4257
		4258	clear_package $k;
3371	}	4259	}
3372		4260
3373	Symbol::delete_package $k;
3374	}
3375
3376	warn "getting rid of safe::, as good as possible";	4261	trace "perl_reload: getting rid of safe::, as good as possible";
3377	Symbol::delete_package "safe::$_"	4262	clear_package "safe::$_"
3378	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4263	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3379		4264
3380	warn "unloading cf.pm \"a bit\"";	4265	trace "perl_reload: unloading cf.pm \"a bit\"";
3381	delete $INC{"cf.pm"};	4266	delete $INC{"cf.pm"};
3382	delete $INC{"cf/pod.pm"};	4267	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3383		4268
3384	# don't, removes xs symbols, too,	4269	# don't, removes xs symbols, too,
3385	# and global variables created in xs	4270	# and global variables created in xs
3386	#Symbol::delete_package __PACKAGE__;	4271	#clear_package __PACKAGE__;
3387		4272
3388	warn "unload completed, starting to reload now";	4273	info "perl_reload: unload completed, starting to reload now";
3389		4274
3390	warn "reloading cf.pm";	4275	trace "perl_reload: reloading cf.pm";
3391	require cf;	4276	require cf;
3392	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4277	cf::_connect_to_perl_1;
3393		4278
3394	warn "loading config and database again";	4279	trace "perl_reload: loading config and database again";
3395	cf::reload_config;	4280	cf::reload_config;
3396		4281
3397	warn "loading extensions";	4282	trace "perl_reload: loading extensions";
3398	cf::load_extensions;	4283	cf::load_extensions;
3399		4284
		4285	if ($REATTACH_ON_RELOAD) {
3400	warn "reattaching attachments to objects/players";	4286	trace "perl_reload: reattaching attachments to objects/players";
3401	_global_reattach; # objects, sockets	4287	_global_reattach; # objects, sockets
3402	warn "reattaching attachments to maps";	4288	trace "perl_reload: reattaching attachments to maps";
3403	reattach $_ for values %MAP;	4289	reattach $_ for values %MAP;
3404	warn "reattaching attachments to players";	4290	trace "perl_reload: reattaching attachments to players";
3405	reattach $_ for values %PLAYER;	4291	reattach $_ for values %PLAYER;
		4292	}
3406		4293
3407	warn "leaving sync_job";	4294	cf::_post_init 1;
3408		4295
		4296	trace "perl_reload: leaving sync_job";
		4297
3409	1	4298	1
3410	} or do {	4299	} or do {
3411	warn $@;	4300	error $@;
3412	warn "error while reloading, exiting.";	4301	cf::cleanup "perl_reload: error, exiting.";
3413	exit 1;	4302	};
		4303
		4304	--$RELOAD;
3414	};	4305	}
3415		4306
3416	warn "reloaded";	4307	$t1 = AE::time - $t1;
		4308	info "perl_reload: completed in ${t1}s\n";
3417	};	4309	};
3418		4310
3419	our $RELOAD_WATCHER; # used only during reload	4311	our $RELOAD_WATCHER; # used only during reload
3420		4312
3421	sub reload_perl() {	4313	sub reload_perl() {
3422	# doing reload synchronously and two reloads happen back-to-back,	4314	# doing reload synchronously and two reloads happen back-to-back,
3423	# coro crashes during coro_state_free->destroy here.	4315	# coro crashes during coro_state_free->destroy here.
3424		4316
3425	$RELOAD_WATCHER ||= Event->timer (	4317	$RELOAD_WATCHER ||= cf::async {
3426	reentrant => 0,	4318	Coro::AIO::aio_wait cache_extensions;
3427	after => 0,	4319
3428	data => WF_AUTOCANCEL,	4320	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3429	cb => sub {
3430	do_reload_perl;	4321	do_reload_perl;
3431	undef $RELOAD_WATCHER;	4322	undef $RELOAD_WATCHER;
3432	},	4323	};
3433	);	4324	};
3434	}	4325	}
3435		4326
3436	register_command "reload" => sub {	4327	register_command "reload" => sub {
3437	my ($who, $arg) = @_;	4328	my ($who, $arg) = @_;
3438		4329
3439	if ($who->flag (FLAG_WIZ)) {	4330	if ($who->flag (FLAG_WIZ)) {
3440	$who->message ("reloading server.");	4331	$who->message ("reloading server.");
		4332	async {
		4333	$Coro::current->{desc} = "perl_reload";
3441	async { reload_perl };	4334	reload_perl;
		4335	};
3442	}	4336	}
3443	};	4337	};
3444		4338
3445	unshift @INC, $LIBDIR;	4339	#############################################################################
3446		4340
3447	my $bug_warning = 0;	4341	my $bug_warning = 0;
3448		4342
3449	our @WAIT_FOR_TICK;
3450	our @WAIT_FOR_TICK_BEGIN;
3451
3452	sub wait_for_tick {	4343	sub wait_for_tick() {
3453	return unless $TICK_WATCHER->is_active;	4344	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3454	return if $Coro::current == $Coro::main;
3455		4345
3456	my $signal = new Coro::Signal;	4346	$WAIT_FOR_TICK->wait;
3457	push @WAIT_FOR_TICK, $signal;
3458	$signal->wait;
3459	}	4347	}
3460		4348
3461	sub wait_for_tick_begin {	4349	sub wait_for_tick_begin() {
3462	return unless $TICK_WATCHER->is_active;	4350	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3463	return if $Coro::current == $Coro::main;
3464		4351
3465	my $signal = new Coro::Signal;	4352	my $signal = new Coro::Signal;
3466	push @WAIT_FOR_TICK_BEGIN, $signal;	4353	push @WAIT_FOR_TICK_BEGIN, $signal;
3467	$signal->wait;	4354	$signal->wait;
3468	}	4355	}
3469		4356
3470	$TICK_WATCHER = Event->timer (	4357	sub tick {
3471	reentrant => 0,
3472	parked => 1,
3473	prio => 0,
3474	at => $NEXT_TICK || $TICK,
3475	data => WF_AUTOCANCEL,
3476	cb => sub {
3477	if ($Coro::current != $Coro::main) {	4358	if ($Coro::current != $Coro::main) {
3478	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4359	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3479	unless ++$bug_warning > 10;	4360	unless ++$bug_warning > 10;
3480	return;	4361	return;
3481	}	4362	}
3482		4363
3483	$NOW = $tick_start = Event::time;	4364	cf::one_tick; # one server iteration
3484		4365
3485	cf::server_tick; # one server iteration	4366	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3486		4367
3487	$RUNTIME += $TICK;
3488	$NEXT_TICK += $TICK;
3489
3490	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4368	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3491	$NEXT_RUNTIME_WRITE = $NOW + 10;	4369	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3492	Coro::async_pool {	4370	Coro::async_pool {
		4371	$Coro::current->{desc} = "runtime saver";
3493	write_runtime	4372	write_runtime_sync
3494	or warn "ERROR: unable to write runtime file: $!";	4373	or error "ERROR: unable to write runtime file: $!";
3495	};
3496	}	4374	};
		4375	}
3497		4376
3498	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4377	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3499	$sig->send;	4378	$sig->send;
3500	}	4379	}
3501	while (my $sig = shift @WAIT_FOR_TICK) {	4380	$WAIT_FOR_TICK->broadcast;
3502	$sig->send;
3503	}
3504		4381
3505	$NOW = Event::time;	4382	$LOAD = ($NOW - $TICK_START) / $TICK;
3506
3507	# if we are delayed by four ticks or more, skip them all
3508	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3509
3510	$TICK_WATCHER->at ($NEXT_TICK);
3511	$TICK_WATCHER->start;
3512
3513	$LOAD = ($NOW - $tick_start) / $TICK;
3514	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4383	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3515		4384
3516	_post_tick;	4385	if (0) {
		4386	if ($NEXT_TICK) {
		4387	my $jitter = $TICK_START - $NEXT_TICK;
		4388	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4389	debug "jitter $JITTER\n";#d#
		4390	}
3517	},	4391	}
3518	);	4392	}
3519		4393
3520	{	4394	{
		4395	# configure BDB
		4396	info "initialising database";
		4397
3521	BDB::min_parallel 8;	4398	BDB::min_parallel 16;
3522	BDB::max_poll_time $TICK * 0.1;	4399	BDB::max_poll_reqs $TICK * 0.1;
3523	$BDB_POLL_WATCHER = Event->io (	4400	#$AnyEvent::BDB::WATCHER->priority (1);
3524	reentrant => 0,
3525	fd => BDB::poll_fileno,
3526	poll => 'r',
3527	prio => 0,
3528	data => WF_AUTOCANCEL,
3529	cb => \&BDB::poll_cb,
3530	);
3531
3532	BDB::set_sync_prepare {
3533	my $status;
3534	my $current = $Coro::current;
3535	(
3536	sub {
3537	$status = $!;
3538	$current->ready; undef $current;
3539	},
3540	sub {
3541	Coro::schedule while defined $current;
3542	$! = $status;
3543	},
3544	)
3545	};
3546		4401
3547	unless ($DB_ENV) {	4402	unless ($DB_ENV) {
3548	$DB_ENV = BDB::db_env_create;	4403	$DB_ENV = BDB::db_env_create;
3549	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4404	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3550	| BDB::LOG_AUTOREMOVE, 1);	4405	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4406	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3551	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4407	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3552	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4408	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3553		4409
3554	cf::sync_job {	4410	cf::sync_job {
3555	eval {	4411	eval {
…		…
3565		4421
3566	cf::cleanup "db_env_open(db): $@" if $@;	4422	cf::cleanup "db_env_open(db): $@" if $@;
3567	};	4423	};
3568	}	4424	}
3569		4425
3570	$BDB_DEADLOCK_WATCHER = Event->timer (	4426	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3571	after => 3,
3572	interval => 1,
3573	hard => 1,
3574	prio => 0,
3575	data => WF_AUTOCANCEL,
3576	cb => sub {
3577	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	4427	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3578	},
3579	);	4428	};
3580	$BDB_CHECKPOINT_WATCHER = Event->timer (	4429	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3581	after => 11,
3582	interval => 60,
3583	hard => 1,
3584	prio => 0,
3585	data => WF_AUTOCANCEL,
3586	cb => sub {
3587	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4430	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3588	},
3589	);	4431	};
3590	$BDB_TRICKLE_WATCHER = Event->timer (	4432	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3591	after => 5,
3592	interval => 10,
3593	hard => 1,
3594	prio => 0,
3595	data => WF_AUTOCANCEL,
3596	cb => sub {
3597	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4433	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3598	},
3599	);	4434	};
		4435
		4436	info "database initialised";
3600	}	4437	}
3601		4438
3602	{	4439	{
		4440	# configure IO::AIO
		4441
		4442	info "initialising aio";
3603	IO::AIO::min_parallel 8;	4443	IO::AIO::min_parallel 8;
3604
3605	undef $Coro::AIO::WATCHER;
3606	IO::AIO::max_poll_time $TICK * 0.1;	4444	IO::AIO::max_poll_time $TICK * 0.1;
3607	$AIO_POLL_WATCHER = Event->io (	4445	undef $AnyEvent::AIO::WATCHER;
3608	reentrant => 0,	4446	info "aio initialised";
3609	data => WF_AUTOCANCEL,
3610	fd => IO::AIO::poll_fileno,
3611	poll => 'r',
3612	prio => 6,
3613	cb => \&IO::AIO::poll_cb,
3614	);
3615	}	4447	}
3616		4448
3617	my $_log_backtrace;	4449	our $_log_backtrace;
		4450	our $_log_backtrace_last;
3618		4451
3619	sub _log_backtrace {	4452	sub _log_backtrace {
3620	my ($msg, @addr) = @_;	4453	my ($msg, @addr) = @_;
3621		4454
3622	$msg =~ s/\n//;	4455	$msg =~ s/\n$//;
3623		4456
		4457	if ($_log_backtrace_last eq $msg) {
		4458	LOG llevInfo, "[ABT] $msg\n";
		4459	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3624	# limit the # of concurrent backtraces	4460	# limit the # of concurrent backtraces
3625	if ($_log_backtrace < 2) {	4461	} elsif ($_log_backtrace < 2) {
		4462	$_log_backtrace_last = $msg;
3626	++$_log_backtrace;	4463	++$_log_backtrace;
		4464	my $perl_bt = Carp::longmess $msg;
3627	async {	4465	async {
		4466	$Coro::current->{desc} = "abt $msg";
		4467
3628	my @bt = fork_call {	4468	my @bt = fork_call {
3629	@addr = map { sprintf "%x", $_ } @addr;	4469	@addr = map { sprintf "%x", $_ } @addr;
3630	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4470	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3631	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4471	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3632	or die "addr2line: $!";	4472	or die "addr2line: $!";
…		…
3640	}	4480	}
3641		4481
3642	@funcs	4482	@funcs
3643	};	4483	};
3644		4484
3645	LOG llevInfo, "[ABT] $msg\n";	4485	LOG llevInfo, "[ABT] $perl_bt\n";
		4486	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3646	LOG llevInfo, "[ABT] $_\n" for @bt;	4487	LOG llevInfo, "[ABT] $_\n" for @bt;
3647	--$_log_backtrace;	4488	--$_log_backtrace;
3648	};	4489	};
3649	} else {	4490	} else {
3650	LOG llevInfo, "[ABT] $msg\n";	4491	LOG llevInfo, "[ABT] $msg\n";
3651	LOG llevInfo, "[ABT] [suppressed]\n";	4492	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3652	}	4493	}
3653	}	4494	}
3654		4495
3655	# load additional modules	4496	# load additional modules
3656	use cf::pod;	4497	require "cf/$_.pm" for @EXTRA_MODULES;
		4498	cf::_connect_to_perl_2;
3657		4499
3658	END { cf::emergency_save }	4500	END { cf::emergency_save }
3659		4501
3660	1	4502	1
3661		4503

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