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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.395 by root, Sat Nov 10 22:41:59 2007 UTC vs.
Revision 1.600 by root, Sun Nov 11 04:31:57 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
13	use Storable ();	34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 4.1 ();	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 2.51 ();	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 $cf::LOADAVG
156		240
157	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
158	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
159	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
167	Configuration for the server, loaded from C</etc/deliantra-server/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	252	from wherever your confdir points to.
169		253
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		255
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
173	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$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 les 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 {
359	$Coro::current->desc ("timeslot manager");	594	$Coro::current->desc ("timeslot manager");
360		595
361	my $signal = new Coro::Signal;	596	my $signal = new Coro::Signal;
		597	my $busy;
362		598
363	while () {	599	while () {
364	next_job:	600	next_job:
		601
365	my $avail = cf::till_tick;	602	my $avail = cf::till_tick;
366	if ($avail > 0.01) {	603
367	for (0 .. $#SLOT_QUEUE) {	604	for (0 .. $#SLOT_QUEUE) {
368	if ($SLOT_QUEUE[$_][0] < $avail) {	605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
369	my $job = splice @SLOT_QUEUE, $_, 1, ();	607	my $job = splice @SLOT_QUEUE, $_, 1, ();
370	$job->[2]->send;	608	$job->[2]->send;
371	Coro::cede;	609	Coro::cede;
372	goto next_job;	610	goto next_job;
373	}	611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
374	}	613	}
375	}	614	}
376		615
377	if (@SLOT_QUEUE) {	616	if (@SLOT_QUEUE) {
378	# we do not use wait_for_tick() as it returns immediately when tick is inactive	617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
379	push @cf::WAIT_FOR_TICK, $signal;	618	$WAIT_FOR_TICK->wait;
380	$signal->wait;
381	} else {	619	} else {
		620	$busy = 0;
382	Coro::schedule;	621	Coro::schedule;
383	}	622	}
384	}	623	}
385	};	624	};
386		625
387	sub get_slot($;$$) {	626	sub get_slot($;$$) {
		627	return if tick_inhibit || $Coro::current == $Coro::main;
		628
388	my ($time, $pri, $name) = @_;	629	my ($time, $pri, $name) = @_;
389		630
390	$time = $TICK * .6 if $time > $TICK * .6;	631	$time = clamp $time, 0.01, $TICK * .6;
		632
391	my $sig = new Coro::Signal;	633	my $sig = new Coro::Signal;
392		634
393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
395	$SLOT_QUEUE->ready;	637	$SLOT_QUEUE->ready;
…		…
421	=cut	663	=cut
422		664
423	sub sync_job(&) {	665	sub sync_job(&) {
424	my ($job) = @_;	666	my ($job) = @_;
425		667
426	if ($Coro::current == $Coro::main) {	668	if (in_main) {
427	my $time = Event::time;	669	my $time = AE::time;
428		670
429	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
431		673
432	LOG llevError, Carp::longmess "sync job";#d#	674	#LOG llevError, Carp::longmess "sync job";#d#
433		675
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
437		677
438	my $busy = 1;	678	my $busy = 1;
439	my @res;	679	my @res;
440		680
441	(async {	681	(async {
442	$Coro::current->desc ("sync job coro");	682	$Coro::current->desc ("sync job coro");
443	@res = eval { $job->() };	683	@res = eval { $job->() };
444	warn $@ if $@;	684	error $@ if $@;
445	undef $busy;	685	undef $busy;
446	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
447		687
448	while ($busy) {	688	while ($busy) {
449	if (Coro::nready) {	689	if (Coro::nready) {
450	Coro::cede_notself;	690	Coro::cede_notself;
451	} else {	691	} else {
452	Event::one_event;	692	EV::loop EV::LOOP_ONESHOT;
453	}	693	}
454	}	694	}
455		695
456	$time = Event::time - $time;	696	my $time = AE::time - $time;
457		697
458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
460
461	$tick_start += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
462		699
463	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
464	} else {	701	} else {
465	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
466		703
…		…
486	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
487		724
488	$coro	725	$coro
489	}	726	}
490		727
491	=item fork_call { }, $args	728	=item fork_call { }, @args
492		729
493	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
494	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
495	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
496	never block itself or use any form of Event handling.	733	never block itself or use any form of event handling.
497		734
498	=cut	735	=cut
		736
		737	sub post_fork {
		738	reset_signals;
		739	}
499		740
500	sub fork_call(&@) {	741	sub fork_call(&@) {
501	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
502		743
503	# we seemingly have to make a local copy of the whole thing,	744	# we seemingly have to make a local copy of the whole thing,
504	# otherwise perl prematurely frees the stuff :/	745	# otherwise perl prematurely frees the stuff :/
505	# TODO: investigate and fix (likely this will be rather laborious)	746	# TODO: investigate and fix (likely this will be rather laborious)
506		747
507	my @res = Coro::Util::fork_eval {	748	my @res = Coro::Util::fork_eval {
508	reset_signals;	749	cf::post_fork;
509	&$cb	750	&$cb
510	}, @args;	751	} @args;
511		752
512	wantarray ? @res : $res[-1]	753	wantarray ? @res : $res[-1]
		754	}
		755
		756	sub objinfo {
		757	(
		758	"counter value" => cf::object::object_count,
		759	"objects created" => cf::object::create_count,
		760	"objects destroyed" => cf::object::destroy_count,
		761	"freelist size" => cf::object::free_count,
		762	"allocated objects" => cf::object::objects_size,
		763	"active objects" => cf::object::actives_size,
		764	)
		765	}
		766
		767	=item $coin = coin_from_name $name
		768
		769	=cut
		770
		771	our %coin_alias = (
		772	"silver" => "silvercoin",
		773	"silvercoin" => "silvercoin",
		774	"silvercoins" => "silvercoin",
		775	"gold" => "goldcoin",
		776	"goldcoin" => "goldcoin",
		777	"goldcoins" => "goldcoin",
		778	"platinum" => "platinacoin",
		779	"platinumcoin" => "platinacoin",
		780	"platinumcoins" => "platinacoin",
		781	"platina" => "platinacoin",
		782	"platinacoin" => "platinacoin",
		783	"platinacoins" => "platinacoin",
		784	"royalty" => "royalty",
		785	"royalties" => "royalty",
		786	);
		787
		788	sub coin_from_name($) {
		789	$coin_alias{$_[0]}
		790	? cf::arch::find $coin_alias{$_[0]}
		791	: undef
513	}	792	}
514		793
515	=item $value = cf::db_get $family => $key	794	=item $value = cf::db_get $family => $key
516		795
517	Returns a single value from the environment database.	796	Returns a single value from the environment database.
…		…
527	within each server.	806	within each server.
528		807
529	=cut	808	=cut
530		809
531	sub db_table($) {	810	sub db_table($) {
		811	cf::error "db_get called from main context"
		812	if $Coro::current == $Coro::main;
		813
532	my ($name) = @_;	814	my ($name) = @_;
533	my $db = BDB::db_create $DB_ENV;	815	my $db = BDB::db_create $DB_ENV;
534		816
535	eval {	817	eval {
536	$db->set_flags (BDB::CHKSUM);	818	$db->set_flags (BDB::CHKSUM);
…		…
546	}	828	}
547		829
548	our $DB;	830	our $DB;
549		831
550	sub db_init {	832	sub db_init {
551	cf::sync_job {
552	$DB ||= db_table "db";	833	$DB ||= db_table "db";
553	};
554	}	834	}
555		835
556	sub db_get($$) {	836	sub db_get($$) {
557	my $key = "$_[0]/$_[1]";	837	my $key = "$_[0]/$_[1]";
558		838
559	cf::sync_job {	839	cf::error "db_get called from main context"
		840	if $Coro::current == $Coro::main;
		841
560	BDB::db_get $DB, undef, $key, my $data;	842	BDB::db_get $DB, undef, $key, my $data;
561		843
562	$! ? ()	844	$! ? ()
563	: $data	845	: $data
564	}
565	}	846	}
566		847
567	sub db_put($$$) {	848	sub db_put($$$) {
568	BDB::dbreq_pri 4;	849	BDB::dbreq_pri 4;
569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	850	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
597		878
598	my @data;	879	my @data;
599	my $md5;	880	my $md5;
600		881
601	for (0 .. $#$src) {	882	for (0 .. $#$src) {
602	0 <= aio_load $src->[$_], $data[$_]	883	$data[$_] = load_file $src->[$_];
603	or Carp::croak "$src->[$_]: $!";
604	}	884	}
605		885
606	# if processing is expensive, check	886	# if processing is expensive, check
607	# checksum first	887	# checksum first
608	if (1) {	888	if (1) {
…		…
621		901
622	return db_get cache => "$id/data";	902	return db_get cache => "$id/data";
623	}	903	}
624	}	904	}
625		905
626	my $t1 = Time::HiRes::time;	906	my $t1 = EV::time;
627	my $data = $process->(\@data);	907	my $data = $process->(\@data);
628	my $t2 = Time::HiRes::time;	908	my $t2 = EV::time;
629		909
630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	910	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
631		911
632	db_put cache => "$id/data", $data;	912	db_put cache => "$id/data", $data;
633	db_put cache => "$id/md5" , $md5;	913	db_put cache => "$id/md5" , $md5;
634	db_put cache => "$id/meta", $meta;	914	db_put cache => "$id/meta", $meta;
635		915
…		…
645		925
646	=cut	926	=cut
647		927
648	sub datalog($@) {	928	sub datalog($@) {
649	my ($type, %kv) = @_;	929	my ($type, %kv) = @_;
650	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	930	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
651	}	931	}
652		932
653	=back	933	=back
654		934
655	=cut	935	=cut
656		936
657	#############################################################################	937	#############################################################################
658		938
659	=head2 ATTACHABLE OBJECTS	939	=head2 ATTACHABLE OBJECTS
660		940
661	Many objects in crossfire are so-called attachable objects. That means you can	941	Many objects in deliantra are so-called attachable objects. That means you can
662	attach callbacks/event handlers (a collection of which is called an "attachment")	942	attach callbacks/event handlers (a collection of which is called an "attachment")
663	to it. All such attachable objects support the following methods.	943	to it. All such attachable objects support the following methods.
664		944
665	In the following description, CLASS can be any of C<global>, C<object>	945	In the following description, CLASS can be any of C<global>, C<object>
666	C<player>, C<client> or C<map> (i.e. the attachable objects in	946	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
716	=item cf::CLASS::attachment $name, ...	996	=item cf::CLASS::attachment $name, ...
717		997
718	Register an attachment by C<$name> through which attachable objects of the	998	Register an attachment by C<$name> through which attachable objects of the
719	given CLASS can refer to this attachment.	999	given CLASS can refer to this attachment.
720		1000
721	Some classes such as crossfire maps and objects can specify attachments	1001	Some classes such as deliantra maps and objects can specify attachments
722	that are attached at load/instantiate time, thus the need for a name.	1002	that are attached at load/instantiate time, thus the need for a name.
723		1003
724	These calls expect any number of the following handler/hook descriptions:	1004	These calls expect any number of the following handler/hook descriptions:
725		1005
726	=over 4	1006	=over 4
…		…
850		1130
851	} elsif (exists $cb_id{$type}) {	1131	} elsif (exists $cb_id{$type}) {
852	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1132	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
853		1133
854	} elsif (ref $type) {	1134	} elsif (ref $type) {
855	warn "attaching objects not supported, ignoring.\n";	1135	error "attaching objects not supported, ignoring.\n";
856		1136
857	} else {	1137	} else {
858	shift @arg;	1138	shift @arg;
859	warn "attach argument '$type' not supported, ignoring.\n";	1139	error "attach argument '$type' not supported, ignoring.\n";
860	}	1140	}
861	}	1141	}
862	}	1142	}
863		1143
864	sub _object_attach {	1144	sub _object_attach {
…		…
874	_attach $registry, $klass, @attach;	1154	_attach $registry, $klass, @attach;
875	}	1155	}
876		1156
877	$obj->{$name} = \%arg;	1157	$obj->{$name} = \%arg;
878	} else {	1158	} else {
879	warn "object uses attachment '$name' which is not available, postponing.\n";	1159	info "object uses attachment '$name' which is not available, postponing.\n";
880	}	1160	}
881		1161
882	$obj->{_attachment}{$name} = undef;	1162	$obj->{_attachment}{$name} = undef;
883	}	1163	}
884		1164
…		…
943		1223
944	for (@$callbacks) {	1224	for (@$callbacks) {
945	eval { &{$_->[1]} };	1225	eval { &{$_->[1]} };
946		1226
947	if ($@) {	1227	if ($@) {
948	warn "$@";
949	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1228	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
950	override;	1229	override;
951	}	1230	}
952		1231
953	return 1 if $override;	1232	return 1 if $override;
954	}	1233	}
955		1234
956	0	1235	0
957	}	1236	}
958		1237
959	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
960		1239
961	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1240	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
962		1241
963	Generate an object-specific event with the given arguments.	1242	Generate an object-specific event with the given arguments.
964		1243
…		…
1017		1296
1018	sub reattach {	1297	sub reattach {
1019	# basically do the same as instantiate, without calling instantiate	1298	# basically do the same as instantiate, without calling instantiate
1020	my ($obj) = @_;	1299	my ($obj) = @_;
1021		1300
		1301	# no longer needed after getting rid of delete_package?
1022	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1302	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1023		1303
1024	my $registry = $obj->registry;	1304	my $registry = $obj->registry;
1025		1305
1026	@$registry = ();	1306	@$registry = ();
1027		1307
…		…
1032	for (@$attach) {	1312	for (@$attach) {
1033	my ($klass, @attach) = @$_;	1313	my ($klass, @attach) = @$_;
1034	_attach $registry, $klass, @attach;	1314	_attach $registry, $klass, @attach;
1035	}	1315	}
1036	} else {	1316	} else {
1037	warn "object uses attachment '$name' that is not available, postponing.\n";	1317	info "object uses attachment '$name' that is not available, postponing.\n";
1038	}	1318	}
1039	}	1319	}
1040	}	1320	}
1041		1321
1042	cf::attachable->attach (	1322	cf::attachable->attach (
1043	prio => -1000000,	1323	prio => -1000000,
1044	on_instantiate => sub {	1324	on_instantiate => sub {
1045	my ($obj, $data) = @_;	1325	my ($obj, $data) = @_;
1046		1326
1047	$data = from_json $data;	1327	$data = decode_json $data;
1048		1328
1049	for (@$data) {	1329	for (@$data) {
1050	my ($name, $args) = @$_;	1330	my ($name, $args) = @$_;
1051		1331
1052	$obj->attach ($name, %{$args || {} });	1332	$obj->attach ($name, %{$args || {} });
…		…
1069	my ($filename, $rdata, $objs) = @_;	1349	my ($filename, $rdata, $objs) = @_;
1070		1350
1071	sync_job {	1351	sync_job {
1072	if (length $$rdata) {	1352	if (length $$rdata) {
1073	utf8::decode (my $decname = $filename);	1353	utf8::decode (my $decname = $filename);
1074	warn sprintf "saving %s (%d,%d)\n",	1354	trace sprintf "saving %s (%d,%d)\n",
1075	$decname, length $$rdata, scalar @$objs;	1355	$decname, length $$rdata, scalar @$objs
		1356	if $VERBOSE_IO;
1076		1357
1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1358	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1078	chmod SAVE_MODE, $fh;	1359	aio_chmod $fh, SAVE_MODE;
1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1360	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1080	aio_fsync $fh if $cf::USE_FSYNC;	1361	if ($cf::USE_FSYNC) {
		1362	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1363	aio_fsync $fh;
		1364	}
1081	close $fh;	1365	aio_close $fh;
1082		1366
1083	if (@$objs) {	1367	if (@$objs) {
1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1368	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1085	chmod SAVE_MODE, $fh;	1369	aio_chmod $fh, SAVE_MODE;
1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1370	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1087	aio_write $fh, 0, (length $data), $data, 0;	1371	aio_write $fh, 0, (length $data), $data, 0;
1088	aio_fsync $fh if $cf::USE_FSYNC;	1372	if ($cf::USE_FSYNC) {
		1373	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1374	aio_fsync $fh;
		1375	}
1089	close $fh;	1376	aio_close $fh;
1090	aio_rename "$filename.pst~", "$filename.pst";	1377	aio_rename "$filename.pst~", "$filename.pst";
1091	}	1378	}
1092	} else {	1379	} else {
1093	aio_unlink "$filename.pst";	1380	aio_unlink "$filename.pst";
1094	}	1381	}
1095		1382
1096	aio_rename "$filename~", $filename;	1383	aio_rename "$filename~", $filename;
		1384
		1385	$filename =~ s%/[^/]+$%%;
		1386	aio_pathsync $filename if $cf::USE_FSYNC;
1097	} else {	1387	} else {
1098	warn "FATAL: $filename~: $!\n";	1388	error "unable to save objects: $filename~: $!\n";
1099	}	1389	}
1100	} else {	1390	} else {
1101	aio_unlink $filename;	1391	aio_unlink $filename;
1102	aio_unlink "$filename.pst";	1392	aio_unlink "$filename.pst";
1103	}	1393	}
…		…
1127	my $st = eval { Coro::Storable::thaw $av };	1417	my $st = eval { Coro::Storable::thaw $av };
1128	$av = $st->{objs};	1418	$av = $st->{objs};
1129	}	1419	}
1130		1420
1131	utf8::decode (my $decname = $filename);	1421	utf8::decode (my $decname = $filename);
1132	warn sprintf "loading %s (%d,%d)\n",	1422	trace sprintf "loading %s (%d,%d)\n",
1133	$decname, length $data, scalar @{$av || []};	1423	$decname, length $data, scalar @{$av || []}
		1424	if $VERBOSE_IO;
1134		1425
1135	($data, $av)	1426	($data, $av)
1136	}	1427	}
1137		1428
1138	=head2 COMMAND CALLBACKS	1429	=head2 COMMAND CALLBACKS
…		…
1142	=cut	1433	=cut
1143		1434
1144	#############################################################################	1435	#############################################################################
1145	# command handling &c	1436	# command handling &c
1146		1437
1147	=item cf::register_command $name => \&callback($ob,$args);	1438	=item cf::register_command $name => \&callback($ob,$args)
1148		1439
1149	Register a callback for execution when the client sends the user command	1440	Register a callback for execution when the client sends the user command
1150	$name.	1441	$name.
1151		1442
1152	=cut	1443	=cut
…		…
1158	#warn "registering command '$name/$time' to '$caller'";	1449	#warn "registering command '$name/$time' to '$caller'";
1159		1450
1160	push @{ $COMMAND{$name} }, [$caller, $cb];	1451	push @{ $COMMAND{$name} }, [$caller, $cb];
1161	}	1452	}
1162		1453
1163	=item cf::register_extcmd $name => \&callback($pl,$packet);	1454	=item cf::register_extcmd $name => \&callback($pl,@args)
1164		1455
1165	Register a callback for execution when the client sends an (synchronous)	1456	Register a callback for execution when the client sends an (synchronous)
1166	extcmd packet. Ext commands will be processed in the order they are	1457	extcmd packet. Ext commands will be processed in the order they are
1167	received by the server, like other user commands. The first argument is	1458	received by the server, like other user commands. The first argument is
1168	the logged-in player. Ext commands can only be processed after a player	1459	the logged-in player. Ext commands can only be processed after a player
1169	has logged in successfully.	1460	has logged in successfully.
1170		1461
1171	If the callback returns something, it is sent back as if reply was being	1462	The values will be sent back to the client.
1172	called.
1173		1463
		1464	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
		1465
		1466	Same as C<cf::register_extcmd>, but instead of returning values, the
		1467	callback needs to clal the C<$reply> function.
		1468
1174	=item cf::register_exticmd $name => \&callback($ns,$packet);	1469	=item cf::register_exticmd $name => \&callback($ns,@args)
1175		1470
1176	Register a callback for execution when the client sends an (asynchronous)	1471	Register a callback for execution when the client sends an (asynchronous)
1177	exticmd packet. Exti commands are processed by the server as soon as they	1472	exticmd packet. Exti commands are processed by the server as soon as they
1178	are received, i.e. out of order w.r.t. other commands. The first argument	1473	are received, i.e. out of order w.r.t. other commands. The first argument
1179	is a client socket. Exti commands can be received anytime, even before	1474	is a client socket. Exti commands can be received anytime, even before
1180	log-in.	1475	log-in.
1181		1476
1182	If the callback returns something, it is sent back as if reply was being	1477	The values will be sent back to the client.
1183	called.
1184		1478
1185	=cut	1479	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1186		1480
		1481	Same as C<cf::register_extcmd>, but instead of returning values, the
		1482	callback needs to clal the C<$reply> function.
		1483
		1484	=cut
		1485
1187	sub register_extcmd {	1486	sub register_extcmd($$) {
1188	my ($name, $cb) = @_;	1487	my ($name, $cb) = @_;
1189		1488
1190	$EXTCMD{$name} = $cb;	1489	$EXTCMD{$name} = $cb;
1191	}	1490	}
1192		1491
1193	sub register_exticmd {	1492	sub register_async_extcmd($$) {
1194	my ($name, $cb) = @_;	1493	my ($name, $cb) = @_;
1195		1494
		1495	$EXTACMD{$name} = $cb;
		1496	}
		1497
		1498	sub register_exticmd($$) {
		1499	my ($name, $cb) = @_;
		1500
1196	$EXTICMD{$name} = $cb;	1501	$EXTICMD{$name} = $cb;
1197	}	1502	}
1198		1503
		1504	sub register_async_exticmd($$) {
		1505	my ($name, $cb) = @_;
		1506
		1507	$EXTIACMD{$name} = $cb;
		1508	}
		1509
		1510	use File::Glob ();
		1511
1199	cf::player->attach (	1512	cf::player->attach (
1200	on_command => sub {	1513	on_unknown_command => sub {
1201	my ($pl, $name, $params) = @_;	1514	my ($pl, $name, $params) = @_;
1202		1515
1203	my $cb = $COMMAND{$name}	1516	my $cb = $COMMAND{$name}
1204	or return;	1517	or return;
1205		1518
…		…
1213	my ($pl, $buf) = @_;	1526	my ($pl, $buf) = @_;
1214		1527
1215	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1528	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1216		1529
1217	if (ref $msg) {	1530	if (ref $msg) {
1218	my ($type, $reply, @payload) =	1531	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1219	"ARRAY" eq ref $msg
1220	? @$msg
1221	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1222		1532
1223	my @reply;
1224
1225	if (my $cb = $EXTCMD{$type}) {	1533	if (my $cb = $EXTACMD{$type}) {
		1534	$cb->(
		1535	$pl,
		1536	sub {
		1537	$pl->ext_msg ("reply-$reply", @_)
		1538	if $reply;
		1539	},
		1540	@payload
		1541	);
		1542	} else {
		1543	my @reply;
		1544
		1545	if (my $cb = $EXTCMD{$type}) {
1226	@reply = $cb->($pl, @payload);	1546	@reply = $cb->($pl, @payload);
		1547	}
		1548
		1549	$pl->ext_msg ("reply-$reply", @reply)
		1550	if $reply;
1227	}	1551	}
1228		1552
1229	$pl->ext_reply ($reply, @reply)
1230	if $reply;
1231
1232	} else {	1553	} else {
1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1554	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1234	}	1555	}
1235		1556
1236	cf::override;	1557	cf::override;
1237	},	1558	},
1238	);	1559	);
1239		1560
		1561	# "readahead" all extensions
		1562	sub cache_extensions {
		1563	my $grp = IO::AIO::aio_group;
		1564
		1565	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1566	for (grep /\.ext$/, @{$_[0]}) {
		1567	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1568	}
		1569	};
		1570
		1571	$grp
		1572	}
		1573
		1574	sub _ext_cfg_reg($$$$) {
		1575	my ($rvar, $varname, $cfgname, $default) = @_;
		1576
		1577	$cfgname = lc $varname
		1578	unless length $cfgname;
		1579
		1580	$EXT_CFG{$cfgname} = [$rvar, $default];
		1581
		1582	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1583	}
		1584
1240	sub load_extensions {	1585	sub load_extensions {
		1586	info "loading extensions...";
		1587
		1588	%EXT_CFG = ();
		1589
1241	cf::sync_job {	1590	cf::sync_job {
1242	my %todo;	1591	my %todo;
1243		1592
1244	for my $path (<$LIBDIR/*.ext>) {	1593	for my $path (<$LIBDIR/*.ext>) {
1245	next unless -r $path;	1594	next unless -r $path;
…		…
1263		1612
1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1613	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1614	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1266		1615
1267	$ext{source} =	1616	$ext{source} =
1268	"package $pkg; use strict; use utf8;\n"	1617	"package $pkg; use common::sense;\n"
1269	. "#line 1 \"$path\"\n{\n"	1618	. "#line 1 \"$path\"\n{\n"
1270	. $source	1619	. $source
1271	. "\n};\n1";	1620	. "\n};\n1";
1272		1621
1273	$todo{$base} = \%ext;	1622	$todo{$base} = \%ext;
1274	}	1623	}
1275		1624
		1625	my $pass = 0;
1276	my %done;	1626	my %done;
1277	while (%todo) {	1627	while (%todo) {
1278	my $progress;	1628	my $progress;
1279		1629
		1630	++$pass;
		1631
		1632	ext:
1280	while (my ($k, $v) = each %todo) {	1633	while (my ($k, $v) = each %todo) {
1281	for (split /,\s*/, $v->{meta}{depends}) {	1634	for (split /,\s*/, $v->{meta}{depends}) {
1282	goto skip	1635	next ext
1283	unless exists $done{$_};	1636	unless exists $done{$_};
1284	}	1637	}
1285		1638
1286	warn "... loading '$k' into '$v->{pkg}'\n";	1639	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1287		1640
1288	unless (eval $v->{source}) {	1641	my $source = $v->{source};
		1642
		1643	# support "CONF varname :confname = default" pseudo-statements
		1644	$source =~ s{
		1645	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1646	}{
		1647	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1648	}gmxe;
		1649
		1650	my $active = eval $source;
		1651
		1652	if (length $@) {
1289	my $msg = $@ ? "$v->{path}: $@\n"	1653	error "$v->{path}: $@\n";
1290	: "$v->{base}: extension inactive.\n";
1291		1654
		1655	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1292	if (exists $v->{meta}{mandatory}) {	1656	if exists $v->{meta}{mandatory};
1293	warn $msg;	1657
1294	warn "mandatory extension failed to load, exiting.\n";	1658	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1295	exit 1;	1659	delete $todo{$k};
1296	}	1660	} else {
1297		1661	$done{$k} = delete $todo{$k};
1298	warn $msg;	1662	push @EXTS, $v->{pkg};
		1663	$progress = 1;
		1664
		1665	info "$v->{base}: extension inactive.\n"
		1666	unless $active;
1299	}	1667	}
1300
1301	$done{$k} = delete $todo{$k};
1302	push @EXTS, $v->{pkg};
1303	$progress = 1;
1304	}	1668	}
1305		1669
1306	skip:	1670	unless ($progress) {
1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1671	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1308	unless $progress;	1672
		1673	while (my ($k, $v) = each %todo) {
		1674	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1675	if exists $v->{meta}{mandatory};
		1676	}
		1677
		1678	last;
		1679	}
1309	}	1680	}
1310	};	1681	};
1311	}	1682	}
1312		1683
1313	#############################################################################	1684	#############################################################################
1314		1685
1315	=back	1686	=back
1316		1687
1317	=head2 CORE EXTENSIONS	1688	=head2 CORE EXTENSIONS
1318		1689
1319	Functions and methods that extend core crossfire objects.	1690	Functions and methods that extend core deliantra objects.
1320		1691
1321	=cut	1692	=cut
1322		1693
1323	package cf::player;	1694	package cf::player;
1324		1695
…		…
1367		1738
1368	sub exists($) {	1739	sub exists($) {
1369	my ($login) = @_;	1740	my ($login) = @_;
1370		1741
1371	$cf::PLAYER{$login}	1742	$cf::PLAYER{$login}
1372	or cf::sync_job { !aio_stat path $login }	1743	or !aio_stat path $login
1373	}	1744	}
1374		1745
1375	sub find($) {	1746	sub find($) {
1376	return $cf::PLAYER{$_[0]} || do {	1747	return $cf::PLAYER{$_[0]} || do {
1377	my $login = $_[0];	1748	my $login = $_[0];
…		…
1389	my $f = new_from_file cf::object::thawer path $login	1760	my $f = new_from_file cf::object::thawer path $login
1390	or return;	1761	or return;
1391		1762
1392	my $pl = cf::player::load_pl $f	1763	my $pl = cf::player::load_pl $f
1393	or return;	1764	or return;
		1765
1394	local $cf::PLAYER_LOADING{$login} = $pl;	1766	local $cf::PLAYER_LOADING{$login} = $pl;
1395	$f->resolve_delayed_derefs;	1767	$f->resolve_delayed_derefs;
1396	$cf::PLAYER{$login} = $pl	1768	$cf::PLAYER{$login} = $pl
1397	}	1769	}
1398	}	1770	}
1399	}	1771	}
1400		1772
		1773	cf::player->attach (
		1774	on_load => sub {
		1775	my ($pl, $path) = @_;
		1776
		1777	# restore slots saved in save, below
		1778	my $slots = delete $pl->{_slots};
		1779
		1780	$pl->ob->current_weapon ($slots->[0]);
		1781	$pl->combat_ob ($slots->[1]);
		1782	$pl->ranged_ob ($slots->[2]);
		1783	},
		1784	);
		1785
1401	sub save($) {	1786	sub save($) {
1402	my ($pl) = @_;	1787	my ($pl) = @_;
1403		1788
1404	return if $pl->{deny_save};	1789	return if $pl->{deny_save};
1405		1790
…		…
1408		1793
1409	return if $pl->{deny_save};	1794	return if $pl->{deny_save};
1410		1795
1411	aio_mkdir playerdir $pl, 0770;	1796	aio_mkdir playerdir $pl, 0770;
1412	$pl->{last_save} = $cf::RUNTIME;	1797	$pl->{last_save} = $cf::RUNTIME;
		1798
		1799	cf::get_slot 0.01;
		1800
		1801	# save slots, to be restored later
		1802	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1413		1803
1414	$pl->save_pl ($path);	1804	$pl->save_pl ($path);
1415	cf::cede_to_tick;	1805	cf::cede_to_tick;
1416	}	1806	}
1417		1807
…		…
1449	my ($pl) = @_;	1839	my ($pl) = @_;
1450		1840
1451	my $name = $pl->ob->name;	1841	my $name = $pl->ob->name;
1452		1842
1453	$pl->{deny_save} = 1;	1843	$pl->{deny_save} = 1;
1454	$pl->password ("*"); # this should lock out the player until we nuked the dir	1844	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1455		1845
1456	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1846	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1457	$pl->deactivate;	1847	$pl->deactivate;
		1848
		1849	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1458	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1850	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1851	ext::highscore::check ($pl->ob);
		1852
1459	$pl->ns->destroy if $pl->ns;	1853	$pl->ns->destroy if $pl->ns;
1460		1854
1461	my $path = playerdir $pl;	1855	my $path = playerdir $pl;
1462	my $temp = "$path~$cf::RUNTIME~deleting~";	1856	my $temp = "$path~$cf::RUNTIME~deleting~";
1463	aio_rename $path, $temp;	1857	aio_rename $path, $temp;
…		…
1501		1895
1502	for my $login (@$dirs) {	1896	for my $login (@$dirs) {
1503	my $path = path $login;	1897	my $path = path $login;
1504		1898
1505	# a .pst is a dead give-away for a valid player	1899	# a .pst is a dead give-away for a valid player
1506	unless (-e "$path.pst") {	1900	# if no pst file found, open and chekc for blocked users
		1901	if (aio_stat "$path.pst") {
1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1902	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1508	aio_read $fh, 0, 512, my $buf, 0 or next;	1903	aio_read $fh, 0, 512, my $buf, 0 or next;
1509	$buf !~ /^password -------------$/m or next; # official not-valid tag	1904	$buf !~ /^password -------------$/m or next; # official not-valid tag
1510	}	1905	}
1511		1906
…		…
1515		1910
1516	\@logins	1911	\@logins
1517	}	1912	}
1518		1913
1519	=item $player->maps	1914	=item $player->maps
		1915
		1916	=item cf::player::maps $login
1520		1917
1521	Returns an arrayref of map paths that are private for this	1918	Returns an arrayref of map paths that are private for this
1522	player. May block.	1919	player. May block.
1523		1920
1524	=cut	1921	=cut
…		…
1542	}	1939	}
1543		1940
1544	\@paths	1941	\@paths
1545	}	1942	}
1546		1943
1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1944	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1548		1945
1549	Expand crossfire pod fragments into protocol xml.	1946	Expand deliantra pod fragments into protocol xml.
1550
1551	=cut
1552
1553	use re 'eval';
1554
1555	my $group;
1556	my $interior; $interior = qr{
1557	# match a pod interior sequence sans C<< >>
1558	(?:
1559	\ (.*?)\ (?{ $group = $^N })
1560	| < (??{$interior}) >
1561	)
1562	}x;
1563
1564	sub expand_cfpod {
1565	my ($self, $pod) = @_;
1566
1567	my $xml;
1568
1569	while () {
1570	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1571	$group = $1;
1572
1573	$group =~ s/&/&amp;/g;
1574	$group =~ s/</&lt;/g;
1575
1576	$xml .= $group;
1577	} elsif ($pod =~ m%\G
1578	([BCGHITU])
1579	<
1580	(?:
1581	([^<>]*) (?{ $group = $^N })
1582	| < $interior >
1583	)
1584	>
1585	%gcsx
1586	) {
1587	my ($code, $data) = ($1, $group);
1588
1589	if ($code eq "B") {
1590	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1591	} elsif ($code eq "I") {
1592	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1593	} elsif ($code eq "U") {
1594	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1595	} elsif ($code eq "C") {
1596	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1597	} elsif ($code eq "T") {
1598	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1599	} elsif ($code eq "G") {
1600	my ($male, $female) = split /\|/, $data;
1601	$data = $self->gender ? $female : $male;
1602	$xml .= expand_cfpod ($self, $data);
1603	} elsif ($code eq "H") {
1604	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1605	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1606	"")
1607	[$self->{hintmode}];
1608	} else {
1609	$xml .= "error processing '$code($data)' directive";
1610	}
1611	} else {
1612	if ($pod =~ /\G(.+)/) {
1613	warn "parse error while expanding $pod (at $1)";
1614	}
1615	last;
1616	}
1617	}
1618
1619	for ($xml) {
1620	# create single paragraphs (very hackish)
1621	s/(?<=\S)\n(?=\w)/ /g;
1622
1623	# compress some whitespace
1624	s/\s+\n/\n/g; # ws line-ends
1625	s/\n\n+/\n/g; # double lines
1626	s/^\n+//; # beginning lines
1627	s/\n+$//; # ending lines
1628	}
1629
1630	$xml
1631	}
1632
1633	no re 'eval';
1634
1635	sub hintmode {
1636	$_[0]{hintmode} = $_[1] if @_ > 1;
1637	$_[0]{hintmode}
1638	}
1639
1640	=item $player->ext_reply ($msgid, @msg)
1641
1642	Sends an ext reply to the player.
1643
1644	=cut
1645
1646	sub ext_reply($$@) {
1647	my ($self, $id, @msg) = @_;
1648
1649	$self->ns->ext_reply ($id, @msg)
1650	}
1651		1947
1652	=item $player->ext_msg ($type, @msg)	1948	=item $player->ext_msg ($type, @msg)
1653		1949
1654	Sends an ext event to the client.	1950	Sends an ext event to the client.
1655		1951
…		…
1675		1971
1676	=cut	1972	=cut
1677		1973
1678	sub find_by_path($) {	1974	sub find_by_path($) {
1679	my ($path) = @_;	1975	my ($path) = @_;
		1976
		1977	$path =~ s/^~[^\/]*//; # skip ~login
1680		1978
1681	my ($match, $specificity);	1979	my ($match, $specificity);
1682		1980
1683	for my $region (list) {	1981	for my $region (list) {
1684	if ($region->{match} && $path =~ $region->{match}) {	1982	if ($region->{match} && $path =~ $region->{match}) {
…		…
1710	our $MAX_RESET = 3600;	2008	our $MAX_RESET = 3600;
1711	our $DEFAULT_RESET = 3000;	2009	our $DEFAULT_RESET = 3000;
1712		2010
1713	sub generate_random_map {	2011	sub generate_random_map {
1714	my ($self, $rmp) = @_;	2012	my ($self, $rmp) = @_;
1715	# mit "rum" bekleckern, nicht	2013
		2014	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2015
1716	$self->_create_random_map (	2016	$self->_create_random_map ($rmp);
1717	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1718	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1719	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1720	$rmp->{exit_on_final_map},
1721	$rmp->{xsize}, $rmp->{ysize},
1722	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1723	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1724	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1725	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1726	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1727	(cf::region::find $rmp->{region}), $rmp->{custom}
1728	)
1729	}	2017	}
1730		2018
1731	=item cf::map->register ($regex, $prio)	2019	=item cf::map->register ($regex, $prio)
1732		2020
1733	Register a handler for the map path matching the given regex at the	2021	Register a handler for the map path matching the given regex at the
…		…
1738		2026
1739	sub register {	2027	sub register {
1740	my (undef, $regex, $prio) = @_;	2028	my (undef, $regex, $prio) = @_;
1741	my $pkg = caller;	2029	my $pkg = caller;
1742		2030
1743	no strict;
1744	push @{"$pkg\::ISA"}, __PACKAGE__;	2031	push @{"$pkg\::ISA"}, __PACKAGE__;
1745		2032
1746	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2033	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1747	}	2034	}
1748		2035
1749	# also paths starting with '/'	2036	# also paths starting with '/'
1750	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2037	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1751		2038
1752	sub thawer_merge {	2039	sub thawer_merge {
1753	my ($self, $merge) = @_;	2040	my ($self, $merge) = @_;
1754		2041
1755	# we have to keep some variables in memory intact	2042	# we have to keep some variables in memory intact
…		…
1760	}	2047	}
1761		2048
1762	sub normalise {	2049	sub normalise {
1763	my ($path, $base) = @_;	2050	my ($path, $base) = @_;
1764		2051
1765	$path = "$path"; # make sure its a string	2052	$path = "$path"; # make sure it's a string
1766		2053
1767	$path =~ s/\.map$//;	2054	$path =~ s/\.map$//;
1768		2055
1769	# map plan:	2056	# map plan:
1770	#	2057	#
…		…
1785	$base =~ s{[^/]+/?$}{};	2072	$base =~ s{[^/]+/?$}{};
1786	$path = "$base/$path";	2073	$path = "$base/$path";
1787	}	2074	}
1788		2075
1789	for ($path) {	2076	for ($path) {
1790	redo if s{//}{/};
1791	redo if s{/\.?/}{/};	2077	redo if s{/\.?/}{/};
1792	redo if s{/[^/]+/\.\./}{/};	2078	redo if s{/[^/]+/\.\./}{/};
1793	}	2079	}
1794		2080
1795	$path	2081	$path
…		…
1809	$self->init; # pass $1 etc.	2095	$self->init; # pass $1 etc.
1810	return $self;	2096	return $self;
1811	}	2097	}
1812	}	2098	}
1813		2099
1814	Carp::cluck "unable to resolve path '$path' (base '$base').";	2100	Carp::cluck "unable to resolve path '$path' (base '$base')";
1815	()	2101	()
1816	}	2102	}
1817		2103
		2104	# may re-bless or do other evil things
1818	sub init {	2105	sub init {
1819	my ($self) = @_;	2106	my ($self) = @_;
1820		2107
1821	$self	2108	$self
1822	}	2109	}
…		…
1841		2128
1842	# the temporary/swap location	2129	# the temporary/swap location
1843	sub save_path {	2130	sub save_path {
1844	my ($self) = @_;	2131	my ($self) = @_;
1845		2132
1846	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2133	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1847	"$TMPDIR/$path.map"	2134	"$TMPDIR/$path.map"
1848	}	2135	}
1849		2136
1850	# the unique path, undef == no special unique path	2137	# the unique path, undef == no special unique path
1851	sub uniq_path {	2138	sub uniq_path {
1852	my ($self) = @_;	2139	my ($self) = @_;
1853		2140
1854	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2141	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1855	"$UNIQUEDIR/$path"	2142	"$UNIQUEDIR/$path"
1856	}
1857
1858	# and all this just because we cannot iterate over
1859	# all maps in C++...
1860	sub change_all_map_light {
1861	my ($change) = @_;
1862
1863	$_->change_map_light ($change)
1864	for grep $_->outdoor, values %cf::MAP;
1865	}	2143	}
1866		2144
1867	sub decay_objects {	2145	sub decay_objects {
1868	my ($self) = @_;	2146	my ($self) = @_;
1869		2147
…		…
1896	$self->{load_path} = $path;	2174	$self->{load_path} = $path;
1897		2175
1898	1	2176	1
1899	}	2177	}
1900		2178
		2179	# used to laod the header of an original map
1901	sub load_header_orig {	2180	sub load_header_orig {
1902	my ($self) = @_;	2181	my ($self) = @_;
1903		2182
1904	$self->load_header_from ($self->load_path)	2183	$self->load_header_from ($self->load_path)
1905	}	2184	}
1906		2185
		2186	# used to laod the header of an instantiated map
1907	sub load_header_temp {	2187	sub load_header_temp {
1908	my ($self) = @_;	2188	my ($self) = @_;
1909		2189
1910	$self->load_header_from ($self->save_path)	2190	$self->load_header_from ($self->save_path)
1911	}	2191	}
1912		2192
		2193	# called after loading the header from an instantiated map
1913	sub prepare_temp {	2194	sub prepare_temp {
1914	my ($self) = @_;	2195	my ($self) = @_;
1915		2196
1916	$self->last_access ((delete $self->{last_access})	2197	$self->last_access ((delete $self->{last_access})
1917	|| $cf::RUNTIME); #d#	2198	|| $cf::RUNTIME); #d#
1918	# safety	2199	# safety
1919	$self->{instantiate_time} = $cf::RUNTIME	2200	$self->{instantiate_time} = $cf::RUNTIME
1920	if $self->{instantiate_time} > $cf::RUNTIME;	2201	if $self->{instantiate_time} > $cf::RUNTIME;
1921	}	2202	}
1922		2203
		2204	# called after loading the header from an original map
1923	sub prepare_orig {	2205	sub prepare_orig {
1924	my ($self) = @_;	2206	my ($self) = @_;
1925		2207
1926	$self->{load_original} = 1;	2208	$self->{load_original} = 1;
1927	$self->{instantiate_time} = $cf::RUNTIME;	2209	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1951		2233
1952	sub find;	2234	sub find;
1953	sub find {	2235	sub find {
1954	my ($path, $origin) = @_;	2236	my ($path, $origin) = @_;
1955		2237
		2238	cf::cede_to_tick;
		2239
1956	$path = normalise $path, $origin && $origin->path;	2240	$path = normalise $path, $origin;
1957		2241
1958	cf::lock_wait "map_data:$path";#d#remove	2242	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1959	cf::lock_wait "map_find:$path";	2243	my $guard2 = cf::lock_acquire "map_find:$path";
1960		2244
1961	$cf::MAP{$path} || do {	2245	$cf::MAP{$path} || do {
1962	my $guard1 = cf::lock_acquire "map_find:$path";
1963	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1964
1965	my $map = new_from_path cf::map $path	2246	my $map = new_from_path cf::map $path
1966	or return;	2247	or return;
1967		2248
1968	$map->{last_save} = $cf::RUNTIME;	2249	$map->{last_save} = $cf::RUNTIME;
1969		2250
…		…
1971	or return;	2252	or return;
1972		2253
1973	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2254	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1974	# doing this can freeze the server in a sync job, obviously	2255	# doing this can freeze the server in a sync job, obviously
1975	#$cf::WAIT_FOR_TICK->wait;	2256	#$cf::WAIT_FOR_TICK->wait;
		2257	undef $guard2;
1976	undef $guard1;	2258	undef $guard1;
1977	undef $guard2;
1978	$map->reset;	2259	$map->reset;
1979	return find $path;	2260	return find $path;
1980	}	2261	}
1981		2262
1982	$cf::MAP{$path} = $map	2263	$cf::MAP{$path} = $map
1983	}	2264	}
1984	}	2265	}
1985		2266
1986	sub pre_load { }	2267	sub pre_load { }
1987	sub post_load { }	2268	#sub post_load { } # XS
1988		2269
1989	sub load {	2270	sub load {
1990	my ($self) = @_;	2271	my ($self) = @_;
1991		2272
1992	local $self->{deny_reset} = 1; # loading can take a long time	2273	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1995		2276
1996	{	2277	{
1997	my $guard = cf::lock_acquire "map_data:$path";	2278	my $guard = cf::lock_acquire "map_data:$path";
1998		2279
1999	return unless $self->valid;	2280	return unless $self->valid;
2000	return unless $self->in_memory == cf::MAP_SWAPPED;	2281	return unless $self->state == cf::MAP_SWAPPED;
2001
2002	$self->in_memory (cf::MAP_LOADING);
2003		2282
2004	$self->alloc;	2283	$self->alloc;
2005		2284
2006	$self->pre_load;	2285	$self->pre_load;
2007	cf::cede_to_tick;	2286	cf::cede_to_tick;
2008		2287
		2288	if (exists $self->{load_path}) {
2009	my $f = new_from_file cf::object::thawer $self->{load_path};	2289	my $f = new_from_file cf::object::thawer $self->{load_path};
2010	$f->skip_block;	2290	$f->skip_block;
2011	$self->_load_objects ($f)	2291	$self->_load_objects ($f)
2012	or return;	2292	or return;
2013		2293
2014	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2294	$self->post_load_original
2015	if delete $self->{load_original};	2295	if delete $self->{load_original};
2016		2296
2017	if (my $uniq = $self->uniq_path) {	2297	if (my $uniq = $self->uniq_path) {
2018	utf8::encode $uniq;	2298	utf8::encode $uniq;
2019	unless (aio_stat $uniq) {	2299	unless (aio_stat $uniq) {
2020	if (my $f = new_from_file cf::object::thawer $uniq) {	2300	if (my $f = new_from_file cf::object::thawer $uniq) {
2021	$self->clear_unique_items;	2301	$self->clear_unique_items;
2022	$self->_load_objects ($f);	2302	$self->_load_objects ($f);
2023	$f->resolve_delayed_derefs;	2303	$f->resolve_delayed_derefs;
		2304	}
2024	}	2305	}
2025	}	2306	}
2026	}
2027		2307
2028	$f->resolve_delayed_derefs;	2308	$f->resolve_delayed_derefs;
		2309	} else {
		2310	$self->post_load_original
		2311	if delete $self->{load_original};
		2312	}
		2313
		2314	$self->state (cf::MAP_INACTIVE);
2029		2315
2030	cf::cede_to_tick;	2316	cf::cede_to_tick;
2031	# now do the right thing for maps	2317	# now do the right thing for maps
2032	$self->link_multipart_objects;	2318	$self->link_multipart_objects;
2033	$self->difficulty ($self->estimate_difficulty)	2319	$self->difficulty ($self->estimate_difficulty)
…		…
2037	unless ($self->{deny_activate}) {	2323	unless ($self->{deny_activate}) {
2038	$self->decay_objects;	2324	$self->decay_objects;
2039	$self->fix_auto_apply;	2325	$self->fix_auto_apply;
2040	$self->update_buttons;	2326	$self->update_buttons;
2041	cf::cede_to_tick;	2327	cf::cede_to_tick;
2042	$self->set_darkness_map;	2328	#$self->activate; # no longer activate maps automatically
2043	cf::cede_to_tick;
2044	$self->activate;
2045	}	2329	}
2046		2330
2047	$self->{last_save} = $cf::RUNTIME;	2331	$self->{last_save} = $cf::RUNTIME;
2048	$self->last_access ($cf::RUNTIME);	2332	$self->last_access ($cf::RUNTIME);
2049
2050	$self->in_memory (cf::MAP_IN_MEMORY);
2051	}	2333	}
2052		2334
2053	$self->post_load;	2335	$self->post_load;
2054	}
2055		2336
		2337	1
		2338	}
		2339
		2340	# customize the map for a given player, i.e.
		2341	# return the _real_ map. used by e.g. per-player
		2342	# maps to change the path to ~playername/mappath
2056	sub customise_for {	2343	sub customise_for {
2057	my ($self, $ob) = @_;	2344	my ($self, $ob) = @_;
2058		2345
2059	return find "~" . $ob->name . "/" . $self->{path}	2346	return find "~" . $ob->name . "/" . $self->{path}
2060	if $self->per_player;	2347	if $self->per_player;
…		…
2063	# if $self->per_party;	2350	# if $self->per_party;
2064		2351
2065	$self	2352	$self
2066	}	2353	}
2067		2354
2068	# find and load all maps in the 3x3 area around a map
2069	sub load_neighbours {
2070	my ($map) = @_;
2071
2072	my @neigh; # diagonal neighbours
2073
2074	for (0 .. 3) {
2075	my $neigh = $map->tile_path ($_)
2076	or next;
2077	$neigh = find $neigh, $map
2078	or next;
2079	$neigh->load;
2080
2081	push @neigh,
2082	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2083	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2084	}
2085
2086	for (grep defined $_->[0], @neigh) {
2087	my ($path, $origin) = @$_;
2088	my $neigh = find $path, $origin
2089	or next;
2090	$neigh->load;
2091	}
2092	}
2093
2094	sub find_sync {	2355	sub find_sync {
2095	my ($path, $origin) = @_;	2356	my ($path, $origin) = @_;
2096		2357
2097	cf::sync_job { find $path, $origin }	2358	# it's a bug to call this from the main context
		2359	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2360	if $Coro::current == $Coro::main;
		2361
		2362	find $path, $origin
2098	}	2363	}
2099		2364
2100	sub do_load_sync {	2365	sub do_load_sync {
2101	my ($map) = @_;	2366	my ($map) = @_;
2102		2367
		2368	# it's a bug to call this from the main context
2103	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2369	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2104	if $Coro::current == $Coro::main;	2370	if $Coro::current == $Coro::main;
2105		2371
2106	cf::sync_job { $map->load };	2372	$map->load;
2107	}	2373	}
2108		2374
2109	our %MAP_PREFETCH;	2375	our %MAP_PREFETCH;
2110	our $MAP_PREFETCHER = undef;	2376	our $MAP_PREFETCHER = undef;
2111		2377
2112	sub find_async {	2378	sub find_async {
2113	my ($path, $origin, $load) = @_;	2379	my ($path, $origin, $load) = @_;
2114		2380
2115	$path = normalise $path, $origin && $origin->{path};	2381	$path = normalise $path, $origin;
2116		2382
2117	if (my $map = $cf::MAP{$path}) {	2383	if (my $map = $cf::MAP{$path}) {
2118	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2384	return $map if !$load || $map->linkable;
2119	}	2385	}
2120		2386
2121	$MAP_PREFETCH{$path} |= $load;	2387	$MAP_PREFETCH{$path} |= $load;
2122		2388
2123	$MAP_PREFETCHER ||= cf::async {	2389	$MAP_PREFETCHER ||= cf::async {
…		…
2137	$MAP_PREFETCHER->prio (6);	2403	$MAP_PREFETCHER->prio (6);
2138		2404
2139	()	2405	()
2140	}	2406	}
2141		2407
		2408	# common code, used by both ->save and ->swapout
2142	sub save {	2409	sub _save {
2143	my ($self) = @_;	2410	my ($self) = @_;
2144
2145	my $lock = cf::lock_acquire "map_data:$self->{path}";
2146		2411
2147	$self->{last_save} = $cf::RUNTIME;	2412	$self->{last_save} = $cf::RUNTIME;
2148		2413
2149	return unless $self->dirty;	2414	return unless $self->dirty;
2150		2415
…		…
2159		2424
2160	cf::async {	2425	cf::async {
2161	$Coro::current->{desc} = "map player save";	2426	$Coro::current->{desc} = "map player save";
2162	$_->contr->save for $self->players;	2427	$_->contr->save for $self->players;
2163	};	2428	};
		2429
		2430	cf::get_slot 0.02;
2164		2431
2165	if ($uniq) {	2432	if ($uniq) {
2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2433	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2167	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2434	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2168	} else {	2435	} else {
2169	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2436	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2170	}	2437	}
2171	}	2438	}
2172		2439
		2440	sub save {
		2441	my ($self) = @_;
		2442
		2443	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2444
		2445	$self->_save;
		2446	}
		2447
2173	sub swap_out {	2448	sub swap_out {
2174	my ($self) = @_;	2449	my ($self) = @_;
2175		2450
2176	# save first because save cedes
2177	$self->save;
2178
2179	my $lock = cf::lock_acquire "map_data:$self->{path}";	2451	my $lock = cf::lock_acquire "map_data:$self->{path}";
2180		2452
		2453	return if !$self->linkable;
		2454	return if $self->{deny_save};
2181	return if $self->players;	2455	return if $self->players;
2182	return if $self->in_memory != cf::MAP_IN_MEMORY;	2456
		2457	# first deactivate the map and "unlink" it from the core
		2458	$self->deactivate;
		2459	$_->clear_links_to ($self) for values %cf::MAP;
		2460	$self->state (cf::MAP_SWAPPED);
		2461
		2462	# then atomically save
		2463	$self->_save;
		2464
		2465	# then free the map
		2466	$self->clear;
		2467	}
		2468
		2469	sub reset_at {
		2470	my ($self) = @_;
		2471
		2472	# TODO: safety, remove and allow resettable per-player maps
2183	return if $self->{deny_save};	2473	return 1e99 if $self->{deny_reset};
2184		2474
		2475	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2476	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2477
		2478	$time + $to
		2479	}
		2480
		2481	sub should_reset {
		2482	my ($self) = @_;
		2483
		2484	$self->reset_at <= $cf::RUNTIME
		2485	}
		2486
		2487	sub reset {
		2488	my ($self) = @_;
		2489
		2490	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2491
		2492	return if $self->players;
		2493
		2494	cf::trace "resetting map ", $self->path, "\n";
		2495
2185	$self->in_memory (cf::MAP_SWAPPED);	2496	$self->state (cf::MAP_SWAPPED);
		2497
		2498	# need to save uniques path
		2499	unless ($self->{deny_save}) {
		2500	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2501
		2502	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2503	if $uniq;
		2504	}
		2505
		2506	delete $cf::MAP{$self->path};
2186		2507
2187	$self->deactivate;	2508	$self->deactivate;
2188	$_->clear_links_to ($self) for values %cf::MAP;	2509	$_->clear_links_to ($self) for values %cf::MAP;
2189	$self->clear;	2510	$self->clear;
2190	}
2191
2192	sub reset_at {
2193	my ($self) = @_;
2194
2195	# TODO: safety, remove and allow resettable per-player maps
2196	return 1e99 if $self->{deny_reset};
2197
2198	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2199	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2200
2201	$time + $to
2202	}
2203
2204	sub should_reset {
2205	my ($self) = @_;
2206
2207	$self->reset_at <= $cf::RUNTIME
2208	}
2209
2210	sub reset {
2211	my ($self) = @_;
2212
2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
2214
2215	return if $self->players;
2216
2217	warn "resetting map ", $self->path;
2218
2219	$self->in_memory (cf::MAP_SWAPPED);
2220
2221	# need to save uniques path
2222	unless ($self->{deny_save}) {
2223	my $uniq = $self->uniq_path; utf8::encode $uniq;
2224
2225	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2226	if $uniq;
2227	}
2228
2229	delete $cf::MAP{$self->path};
2230
2231	$self->deactivate;
2232	$_->clear_links_to ($self) for values %cf::MAP;
2233	$self->clear;
2234		2511
2235	$self->unlink_save;	2512	$self->unlink_save;
2236	$self->destroy;	2513	$self->destroy;
2237	}	2514	}
2238		2515
…		…
2246		2523
2247	delete $cf::MAP{$self->path};	2524	delete $cf::MAP{$self->path};
2248		2525
2249	$self->unlink_save;	2526	$self->unlink_save;
2250		2527
2251	bless $self, "cf::map";	2528	bless $self, "cf::map::wrap";
2252	delete $self->{deny_reset};	2529	delete $self->{deny_reset};
2253	$self->{deny_save} = 1;	2530	$self->{deny_save} = 1;
2254	$self->reset_timeout (1);	2531	$self->reset_timeout (1);
2255	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2532	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2256		2533
…		…
2305		2582
2306	sub unique_maps() {	2583	sub unique_maps() {
2307	[	2584	[
2308	map {	2585	map {
2309	utf8::decode $_;	2586	utf8::decode $_;
2310	/\.map$/	2587	s/\.map$//; # TODO future compatibility hack
		2588	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2589	? ()
2311	? normalise $_	2590	: normalise $_
2312	: ()
2313	} @{ aio_readdir $UNIQUEDIR or [] }	2591	} @{ aio_readdir $UNIQUEDIR or [] }
2314	]	2592	]
2315	}	2593	}
2316		2594
2317	package cf;	2595	=item cf::map::static_maps
		2596
		2597	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2598	file in the shared directory excluding F</styles> and F</editor>). May
		2599	block.
		2600
		2601	=cut
		2602
		2603	sub static_maps() {
		2604	my @dirs = "";
		2605	my @maps;
		2606
		2607	while (@dirs) {
		2608	my $dir = shift @dirs;
		2609
		2610	next if $dir eq "/styles" || $dir eq "/editor";
		2611
		2612	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2613	or return;
		2614
		2615	for (@$files) {
		2616	s/\.map$// or next;
		2617	utf8::decode $_;
		2618	push @maps, "$dir/$_";
		2619	}
		2620
		2621	push @dirs, map "$dir/$_", @$dirs;
		2622	}
		2623
		2624	\@maps
		2625	}
2318		2626
2319	=back	2627	=back
2320		2628
2321	=head3 cf::object	2629	=head3 cf::object
2322		2630
…		…
2326		2634
2327	=over 4	2635	=over 4
2328		2636
2329	=item $ob->inv_recursive	2637	=item $ob->inv_recursive
2330		2638
2331	Returns the inventory of the object _and_ their inventories, recursively.	2639	Returns the inventory of the object I<and> their inventories, recursively,
		2640	but I<not> the object itself.
2332		2641
2333	=cut	2642	=cut
2334		2643
2335	sub inv_recursive_;	2644	sub inv_recursive_;
2336	sub inv_recursive_ {	2645	sub inv_recursive_ {
…		…
2341	inv_recursive_ inv $_[0]	2650	inv_recursive_ inv $_[0]
2342	}	2651	}
2343		2652
2344	=item $ref = $ob->ref	2653	=item $ref = $ob->ref
2345		2654
2346	creates and returns a persistent reference to an objetc that can be stored as a string.	2655	Creates and returns a persistent reference to an object that can be stored as a string.
2347		2656
2348	=item $ob = cf::object::deref ($refstring)	2657	=item $ob = cf::object::deref ($refstring)
2349		2658
2350	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2659	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2351	even if the object actually exists. May block.	2660	even if the object actually exists. May block.
…		…
2383	can be C<undef>. Does the right thing when the player is currently in a	2692	can be C<undef>. Does the right thing when the player is currently in a
2384	dialogue with the given NPC character.	2693	dialogue with the given NPC character.
2385		2694
2386	=cut	2695	=cut
2387		2696
		2697	our $SAY_CHANNEL = {
		2698	id => "say",
		2699	title => "Map",
		2700	reply => "say ",
		2701	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2702	};
		2703
		2704	our $CHAT_CHANNEL = {
		2705	id => "chat",
		2706	title => "Chat",
		2707	reply => "chat ",
		2708	tooltip => "Player chat and shouts, global to the server.",
		2709	};
		2710
2388	# rough implementation of a future "reply" method that works	2711	# rough implementation of a future "reply" method that works
2389	# with dialog boxes.	2712	# with dialog boxes.
2390	#TODO: the first argument must go, split into a $npc->reply_to ( method	2713	#TODO: the first argument must go, split into a $npc->reply_to ( method
2391	sub cf::object::player::reply($$$;$) {	2714	sub cf::object::player::reply($$$;$) {
2392	my ($self, $npc, $msg, $flags) = @_;	2715	my ($self, $npc, $msg, $flags) = @_;
…		…
2403	my $dialog = $pl->{npc_dialog};	2726	my $dialog = $pl->{npc_dialog};
2404	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2727	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2405		2728
2406	} else {	2729	} else {
2407	$msg = $npc->name . " says: $msg" if $npc;	2730	$msg = $npc->name . " says: $msg" if $npc;
2408	$self->message ($msg, $flags);	2731	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2409	}	2732	}
2410	}	2733	}
2411	}	2734	}
2412		2735
2413	=item $object->send_msg ($channel, $msg, $color, [extra...])	2736	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2438		2761
2439	=item $player_object->enter_link	2762	=item $player_object->enter_link
2440		2763
2441	Freezes the player and moves him/her to a special map (C<{link}>).	2764	Freezes the player and moves him/her to a special map (C<{link}>).
2442		2765
2443	The player should be reasonably safe there for short amounts of time. You	2766	The player should be reasonably safe there for short amounts of time (e.g.
2444	I<MUST> call C<leave_link> as soon as possible, though.	2767	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2768	though, as the player cannot control the character while it is on the link
		2769	map.
2445		2770
2446	Will never block.	2771	Will never block.
2447		2772
2448	=item $player_object->leave_link ($map, $x, $y)	2773	=item $player_object->leave_link ($map, $x, $y)
2449		2774
…		…
2469	sub cf::object::player::enter_link {	2794	sub cf::object::player::enter_link {
2470	my ($self) = @_;	2795	my ($self) = @_;
2471		2796
2472	$self->deactivate_recursive;	2797	$self->deactivate_recursive;
2473		2798
		2799	++$self->{_link_recursion};
		2800
2474	return if UNIVERSAL::isa $self->map, "ext::map_link";	2801	return if UNIVERSAL::isa $self->map, "ext::map_link";
2475		2802
2476	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2803	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2477	if $self->map && $self->map->{path} ne "{link}";	2804	if $self->map && $self->map->{path} ne "{link}";
2478		2805
2479	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2806	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2480	}	2807	}
2481		2808
2482	sub cf::object::player::leave_link {	2809	sub cf::object::player::leave_link {
2483	my ($self, $map, $x, $y) = @_;	2810	my ($self, $map, $x, $y) = @_;
2484		2811
…		…
2501	($x, $y) = (-1, -1)	2828	($x, $y) = (-1, -1)
2502	unless (defined $x) && (defined $y);	2829	unless (defined $x) && (defined $y);
2503		2830
2504	# use -1 or undef as default coordinates, not 0, 0	2831	# use -1 or undef as default coordinates, not 0, 0
2505	($x, $y) = ($map->enter_x, $map->enter_y)	2832	($x, $y) = ($map->enter_x, $map->enter_y)
2506	if $x <=0 && $y <= 0;	2833	if $x <= 0 && $y <= 0;
2507		2834
2508	$map->load;	2835	$map->load;
2509	$map->load_neighbours;
2510		2836
2511	return unless $self->contr->active;	2837	return unless $self->contr->active;
2512	$self->activate_recursive;
2513		2838
2514	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2839	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2515	$self->enter_map ($map, $x, $y);	2840	if ($self->enter_map ($map, $x, $y)) {
2516	}	2841	# entering was successful
		2842	delete $self->{_link_recursion};
		2843	# only activate afterwards, to support waiting in hooks
		2844	$self->activate_recursive;
		2845	}
2517		2846
		2847	}
		2848
2518	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2849	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2519		2850
2520	Moves the player to the given map-path and coordinates by first freezing	2851	Moves the player to the given map-path and coordinates by first freezing
2521	her, loading and preparing them map, calling the provided $check callback	2852	her, loading and preparing them map, calling the provided $check callback
2522	that has to return the map if sucecssful, and then unfreezes the player on	2853	that has to return the map if sucecssful, and then unfreezes the player on
2523	the new (success) or old (failed) map position. In either case, $done will	2854	the new (success) or old (failed) map position. In either case, $done will
2524	be called at the end of this process.	2855	be called at the end of this process.
2525		2856
		2857	Note that $check will be called with a potentially non-loaded map, so if
		2858	it needs a loaded map it has to call C<< ->load >>.
		2859
2526	=cut	2860	=cut
2527		2861
2528	our $GOTOGEN;	2862	our $GOTOGEN;
2529		2863
2530	sub cf::object::player::goto {	2864	sub cf::object::player::goto {
2531	my ($self, $path, $x, $y, $check, $done) = @_;	2865	my ($self, $path, $x, $y, $check, $done) = @_;
		2866
		2867	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2868	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2869	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2870	($path, $x, $y) = @$EMERGENCY_POSITION;
		2871	}
2532		2872
2533	# do generation counting so two concurrent goto's will be executed in-order	2873	# do generation counting so two concurrent goto's will be executed in-order
2534	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2874	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2535		2875
2536	$self->enter_link;	2876	$self->enter_link;
…		…
2556	($path, $x, $y) = (undef, undef, undef);	2896	($path, $x, $y) = (undef, undef, undef);
2557	}	2897	}
2558	}	2898	}
2559		2899
2560	my $map = eval {	2900	my $map = eval {
2561	my $map = defined $path ? cf::map::find $path : undef;	2901	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2562		2902
2563	if ($map) {	2903	if ($map) {
2564	$map = $map->customise_for ($self);	2904	$map = $map->customise_for ($self);
2565	$map = $check->($map) if $check && $map;	2905	$map = $check->($map, $x, $y, $self) if $check && $map;
2566	} else {	2906	} else {
2567	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2907	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2568	}	2908	}
2569		2909
2570	$map	2910	$map
…		…
2578	if ($gen == $self->{_goto_generation}) {	2918	if ($gen == $self->{_goto_generation}) {
2579	delete $self->{_goto_generation};	2919	delete $self->{_goto_generation};
2580	$self->leave_link ($map, $x, $y);	2920	$self->leave_link ($map, $x, $y);
2581	}	2921	}
2582		2922
2583	$done->() if $done;	2923	$done->($self) if $done;
2584	})->prio (1);	2924	})->prio (1);
2585	}	2925	}
2586		2926
2587	=item $player_object->enter_exit ($exit_object)	2927	=item $player_object->enter_exit ($exit_object)
2588		2928
…		…
2608	}	2948	}
2609		2949
2610	sub prepare_random_map {	2950	sub prepare_random_map {
2611	my ($exit) = @_;	2951	my ($exit) = @_;
2612		2952
2613	my $guard = cf::lock_acquire "exit_prepare:$exit";
2614
2615	# all this does is basically replace the /! path by	2953	# all this does is basically replace the /! path by
2616	# a new random map path (?random/...) with a seed	2954	# a new random map path (?random/...) with a seed
2617	# that depends on the exit object	2955	# that depends on the exit object
2618		2956
2619	my $rmp = parse_random_map_params $exit->msg;	2957	my $rmp = parse_random_map_params $exit->msg;
…		…
2621	if ($exit->map) {	2959	if ($exit->map) {
2622	$rmp->{region} = $exit->region->name;	2960	$rmp->{region} = $exit->region->name;
2623	$rmp->{origin_map} = $exit->map->path;	2961	$rmp->{origin_map} = $exit->map->path;
2624	$rmp->{origin_x} = $exit->x;	2962	$rmp->{origin_x} = $exit->x;
2625	$rmp->{origin_y} = $exit->y;	2963	$rmp->{origin_y} = $exit->y;
		2964
		2965	$exit->map->touch;
2626	}	2966	}
2627		2967
2628	$rmp->{random_seed} ||= $exit->random_seed;	2968	$rmp->{random_seed} ||= $exit->random_seed;
2629		2969
2630	my $data = cf::to_json $rmp;	2970	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2631	my $md5 = Digest::MD5::md5_hex $data;	2971	my $md5 = Digest::MD5::md5_hex $data;
2632	my $meta = "$RANDOMDIR/$md5.meta";	2972	my $meta = "$RANDOMDIR/$md5.meta";
2633		2973
2634	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2974	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2635	aio_write $fh, 0, (length $data), $data, 0;	2975	aio_write $fh, 0, (length $data), $data, 0;
2636	undef $fh;	2976	undef $fh;
2637	aio_rename "$meta~", $meta;	2977	aio_rename "$meta~", $meta;
2638		2978
		2979	my $slaying = "?random/$md5";
		2980
		2981	if ($exit->valid) {
2639	$exit->slaying ("?random/$md5");	2982	$exit->slaying ("?random/$md5");
2640	$exit->msg (undef);	2983	$exit->msg (undef);
		2984	}
2641	}	2985	}
2642	}	2986	}
2643		2987
2644	sub cf::object::player::enter_exit {	2988	sub cf::object::player::enter_exit {
2645	my ($self, $exit) = @_;	2989	my ($self, $exit) = @_;
2646		2990
2647	return unless $self->type == cf::PLAYER;	2991	return unless $self->type == cf::PLAYER;
2648		2992
2649	if ($exit->slaying eq "/!") {
2650	#TODO: this should de-fi-ni-te-ly not be a sync-job
2651	# the problem is that $exit might not survive long enough
2652	# so it needs to be done right now, right here
2653	cf::sync_job { prepare_random_map $exit };
2654	}
2655
2656	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2657	my $hp = $exit->stats->hp;
2658	my $sp = $exit->stats->sp;
2659
2660	$self->enter_link;	2993	$self->enter_link;
2661		2994
2662	# if exit is damned, update players death & WoR home-position
2663	$self->contr->savebed ($slaying, $hp, $sp)
2664	if $exit->flag (FLAG_DAMNED);
2665
2666	(async {	2995	(async {
2667	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2996	$Coro::current->{desc} = "enter_exit";
2668		2997
2669	$self->deactivate_recursive; # just to be sure
2670	unless (eval {	2998	unless (eval {
		2999	$self->deactivate_recursive; # just to be sure
		3000
		3001	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3002	my $x = $exit->stats->hp;
		3003	my $y = $exit->stats->sp;
		3004
		3005	# special map handling
		3006	my $slaying = $exit->slaying;
		3007
		3008	# special map handling
		3009	if ($slaying eq "/!") {
		3010	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3011
		3012	prepare_random_map $exit
		3013	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3014
		3015	$map = $exit->slaying;
		3016
		3017	} elsif ($slaying eq '!up') {
		3018	$map = $exit->map->tile_path (cf::TILE_UP);
		3019	$x = $exit->x;
		3020	$y = $exit->y;
		3021
		3022	} elsif ($slaying eq '!down') {
		3023	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3024	$x = $exit->x;
		3025	$y = $exit->y;
		3026	}
		3027
2671	$self->goto ($slaying, $hp, $sp);	3028	$self->goto ($map, $x, $y);
2672		3029
		3030	# if exit is damned, update players death & WoR home-position
		3031	$self->contr->savebed ($map, $x, $y)
		3032	if $exit->flag (cf::FLAG_DAMNED);
		3033
2673	1;	3034	1
2674	}) {	3035	}) {
2675	$self->message ("Something went wrong deep within the crossfire server. "	3036	$self->message ("Something went wrong deep within the deliantra server. "
2676	. "I'll try to bring you back to the map you were before. "	3037	. "I'll try to bring you back to the map you were before. "
2677	. "Please report this to the dungeon master!",	3038	. "Please report this to the dungeon master!",
2678	cf::NDI_UNIQUE | cf::NDI_RED);	3039	cf::NDI_UNIQUE | cf::NDI_RED);
2679		3040
2680	warn "ERROR in enter_exit: $@";	3041	error "ERROR in enter_exit: $@";
2681	$self->leave_link;	3042	$self->leave_link;
2682	}	3043	}
2683	})->prio (1);	3044	})->prio (1);
2684	}	3045	}
2685		3046
…		…
2697	sub cf::client::send_drawinfo {	3058	sub cf::client::send_drawinfo {
2698	my ($self, $text, $flags) = @_;	3059	my ($self, $text, $flags) = @_;
2699		3060
2700	utf8::encode $text;	3061	utf8::encode $text;
2701	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3062	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3063	}
		3064
		3065	=item $client->send_big_packet ($pkt)
		3066
		3067	Like C<send_packet>, but tries to compress large packets, and fragments
		3068	them as required.
		3069
		3070	=cut
		3071
		3072	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3073
		3074	sub cf::client::send_big_packet {
		3075	my ($self, $pkt) = @_;
		3076
		3077	# try lzf for large packets
		3078	$pkt = "lzf " . Compress::LZF::compress $pkt
		3079	if 1024 <= length $pkt and $self->{can_lzf};
		3080
		3081	# split very large packets
		3082	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3083	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3084	$pkt = "frag";
		3085	}
		3086
		3087	$self->send_packet ($pkt);
2702	}	3088	}
2703		3089
2704	=item $client->send_msg ($channel, $msg, $color, [extra...])	3090	=item $client->send_msg ($channel, $msg, $color, [extra...])
2705		3091
2706	Send a drawinfo or msg packet to the client, formatting the msg for the	3092	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2710		3096
2711	=cut	3097	=cut
2712		3098
2713	# non-persistent channels (usually the info channel)	3099	# non-persistent channels (usually the info channel)
2714	our %CHANNEL = (	3100	our %CHANNEL = (
		3101	"c/motd" => {
		3102	id => "infobox",
		3103	title => "MOTD",
		3104	reply => undef,
		3105	tooltip => "The message of the day",
		3106	},
2715	"c/identify" => {	3107	"c/identify" => {
2716	id => "infobox",	3108	id => "infobox",
2717	title => "Identify",	3109	title => "Identify",
2718	reply => undef,	3110	reply => undef,
2719	tooltip => "Items recently identified",	3111	tooltip => "Items recently identified",
…		…
2721	"c/examine" => {	3113	"c/examine" => {
2722	id => "infobox",	3114	id => "infobox",
2723	title => "Examine",	3115	title => "Examine",
2724	reply => undef,	3116	reply => undef,
2725	tooltip => "Signs and other items you examined",	3117	tooltip => "Signs and other items you examined",
		3118	},
		3119	"c/shopinfo" => {
		3120	id => "infobox",
		3121	title => "Shop Info",
		3122	reply => undef,
		3123	tooltip => "What your bargaining skill tells you about the shop",
2726	},	3124	},
2727	"c/book" => {	3125	"c/book" => {
2728	id => "infobox",	3126	id => "infobox",
2729	title => "Book",	3127	title => "Book",
2730	reply => undef,	3128	reply => undef,
…		…
2746	id => "infobox",	3144	id => "infobox",
2747	title => "Body Parts",	3145	title => "Body Parts",
2748	reply => undef,	3146	reply => undef,
2749	tooltip => "Shows which body parts you posess and are available",	3147	tooltip => "Shows which body parts you posess and are available",
2750	},	3148	},
		3149	"c/statistics" => {
		3150	id => "infobox",
		3151	title => "Statistics",
		3152	reply => undef,
		3153	tooltip => "Shows your primary statistics",
		3154	},
		3155	"c/skills" => {
		3156	id => "infobox",
		3157	title => "Skills",
		3158	reply => undef,
		3159	tooltip => "Shows your experience per skill and item power",
		3160	},
		3161	"c/shopitems" => {
		3162	id => "infobox",
		3163	title => "Shop Items",
		3164	reply => undef,
		3165	tooltip => "Shows the items currently for sale in this shop",
		3166	},
		3167	"c/resistances" => {
		3168	id => "infobox",
		3169	title => "Resistances",
		3170	reply => undef,
		3171	tooltip => "Shows your resistances",
		3172	},
		3173	"c/pets" => {
		3174	id => "infobox",
		3175	title => "Pets",
		3176	reply => undef,
		3177	tooltip => "Shows information abotu your pets/a specific pet",
		3178	},
		3179	"c/perceiveself" => {
		3180	id => "infobox",
		3181	title => "Perceive Self",
		3182	reply => undef,
		3183	tooltip => "You gained detailed knowledge about yourself",
		3184	},
2751	"c/uptime" => {	3185	"c/uptime" => {
2752	id => "infobox",	3186	id => "infobox",
2753	title => "Uptime",	3187	title => "Uptime",
2754	reply => undef,	3188	reply => undef,
2755	tooltip => "How long the server has been running since last restart",	3189	tooltip => "How long the server has been running since last restart",
…		…
2758	id => "infobox",	3192	id => "infobox",
2759	title => "Map Info",	3193	title => "Map Info",
2760	reply => undef,	3194	reply => undef,
2761	tooltip => "Information related to the maps",	3195	tooltip => "Information related to the maps",
2762	},	3196	},
		3197	"c/party" => {
		3198	id => "party",
		3199	title => "Party",
		3200	reply => "gsay ",
		3201	tooltip => "Messages and chat related to your party",
		3202	},
		3203	"c/death" => {
		3204	id => "death",
		3205	title => "Death",
		3206	reply => undef,
		3207	tooltip => "Reason for and more info about your most recent death",
		3208	},
		3209	"c/say" => $SAY_CHANNEL,
		3210	"c/chat" => $CHAT_CHANNEL,
2763	);	3211	);
2764		3212
2765	sub cf::client::send_msg {	3213	sub cf::client::send_msg {
2766	my ($self, $channel, $msg, $color, @extra) = @_;	3214	my ($self, $channel, $msg, $color, @extra) = @_;
2767		3215
2768	$msg = $self->pl->expand_cfpod ($msg);	3216	$msg = $self->pl->expand_cfpod ($msg)
		3217	unless $color & cf::NDI_VERBATIM;
2769		3218
2770	$color &= cf::NDI_CLIENT_MASK; # just in case...	3219	$color &= cf::NDI_CLIENT_MASK; # just in case...
2771		3220
2772	# check predefined channels, for the benefit of C	3221	# check predefined channels, for the benefit of C
2773	if ($CHANNEL{$channel}) {	3222	if ($CHANNEL{$channel}) {
2774	$channel = $CHANNEL{$channel};	3223	$channel = $CHANNEL{$channel};
2775		3224
2776	$self->ext_msg (channel_info => $channel)	3225	$self->ext_msg (channel_info => $channel);
2777	if $self->can_msg;
2778
2779	$channel = $channel->{id};	3226	$channel = $channel->{id};
2780		3227
2781	} elsif (ref $channel) {	3228	} elsif (ref $channel) {
2782	# send meta info to client, if not yet sent	3229	# send meta info to client, if not yet sent
2783	unless (exists $self->{channel}{$channel->{id}}) {	3230	unless (exists $self->{channel}{$channel->{id}}) {
2784	$self->{channel}{$channel->{id}} = $channel;	3231	$self->{channel}{$channel->{id}} = $channel;
2785	$self->ext_msg (channel_info => $channel)	3232	$self->ext_msg (channel_info => $channel);
2786	if $self->can_msg;
2787	}	3233	}
2788		3234
2789	$channel = $channel->{id};	3235	$channel = $channel->{id};
2790	}	3236	}
2791		3237
2792	return unless @extra || length $msg;	3238	return unless @extra || length $msg;
2793		3239
2794	if ($self->can_msg) {
2795	# default colour, mask it out	3240	# default colour, mask it out
2796	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3241	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2797	if $color & cf::NDI_DEF;	3242	if $color & cf::NDI_DEF;
2798		3243
2799	$self->send_packet ("msg " . $self->{json_coder}->encode (	3244	my $pkt = "msg "
		3245	. $self->{json_coder}->encode (
2800	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3246	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2801	} else {	3247	);
2802	if ($color >= 0) {
2803	# replace some tags by gcfclient-compatible ones
2804	for ($msg) {
2805	1 while
2806	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2807	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2808	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2809	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2810	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2811	}
2812		3248
2813	$color &= cf::NDI_COLOR_MASK;	3249	$self->send_big_packet ($pkt);
2814
2815	utf8::encode $msg;
2816
2817	if (0 && $msg =~ /\[/) {
2818	# COMMAND/INFO
2819	$self->send_packet ("drawextinfo $color 10 8 $msg")
2820	} else {
2821	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2822	$self->send_packet ("drawinfo $color $msg")
2823	}
2824	}
2825	}
2826	}	3250	}
2827		3251
2828	=item $client->ext_msg ($type, @msg)	3252	=item $client->ext_msg ($type, @msg)
2829		3253
2830	Sends an ext event to the client.	3254	Sends an ext event to the client.
…		…
2832	=cut	3256	=cut
2833		3257
2834	sub cf::client::ext_msg($$@) {	3258	sub cf::client::ext_msg($$@) {
2835	my ($self, $type, @msg) = @_;	3259	my ($self, $type, @msg) = @_;
2836		3260
2837	if ($self->extcmd == 2) {
2838	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3261	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2839	} elsif ($self->extcmd == 1) { # TODO: remove
2840	push @msg, msgtype => "event_$type";
2841	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2842	}
2843	}
2844
2845	=item $client->ext_reply ($msgid, @msg)
2846
2847	Sends an ext reply to the client.
2848
2849	=cut
2850
2851	sub cf::client::ext_reply($$@) {
2852	my ($self, $id, @msg) = @_;
2853
2854	if ($self->extcmd == 2) {
2855	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2856	} elsif ($self->extcmd == 1) {
2857	#TODO: version 1, remove
2858	unshift @msg, msgtype => "reply", msgid => $id;
2859	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2860	}
2861	}	3262	}
2862		3263
2863	=item $success = $client->query ($flags, "text", \&cb)	3264	=item $success = $client->query ($flags, "text", \&cb)
2864		3265
2865	Queues a query to the client, calling the given callback with	3266	Queues a query to the client, calling the given callback with
…		…
2920	my ($ns, $buf) = @_;	3321	my ($ns, $buf) = @_;
2921		3322
2922	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3323	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2923		3324
2924	if (ref $msg) {	3325	if (ref $msg) {
2925	my ($type, $reply, @payload) =	3326	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2926	"ARRAY" eq ref $msg
2927	? @$msg
2928	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2929		3327
2930	my @reply;
2931
2932	if (my $cb = $EXTICMD{$type}) {	3328	if (my $cb = $EXTIACMD{$type}) {
		3329	$cb->(
		3330	$ns,
		3331	sub {
		3332	$ns->ext_msg ("reply-$reply", @_)
		3333	if $reply;
		3334	},
		3335	@payload
		3336	);
		3337	} else {
		3338	my @reply;
		3339
		3340	if (my $cb = $EXTICMD{$type}) {
2933	@reply = $cb->($ns, @payload);	3341	@reply = $cb->($ns, @payload);
		3342	}
		3343
		3344	$ns->ext_msg ("reply-$reply", @reply)
		3345	if $reply;
2934	}	3346	}
2935
2936	$ns->ext_reply ($reply, @reply)
2937	if $reply;
2938
2939	} else {	3347	} else {
2940	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3348	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2941	}	3349	}
2942		3350
2943	cf::override;	3351	cf::override;
2944	},	3352	},
2945	);	3353	);
…		…
2965		3373
2966	$coro	3374	$coro
2967	}	3375	}
2968		3376
2969	cf::client->attach (	3377	cf::client->attach (
2970	on_destroy => sub {	3378	on_client_destroy => sub {
2971	my ($ns) = @_;	3379	my ($ns) = @_;
2972		3380
2973	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3381	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2974	},	3382	},
2975	);	3383	);
…		…
2991	our $safe_hole = new Safe::Hole;	3399	our $safe_hole = new Safe::Hole;
2992		3400
2993	$SIG{FPE} = 'IGNORE';	3401	$SIG{FPE} = 'IGNORE';
2994		3402
2995	$safe->permit_only (Opcode::opset qw(	3403	$safe->permit_only (Opcode::opset qw(
2996	:base_core :base_mem :base_orig :base_math	3404	:base_core :base_mem :base_orig :base_math :base_loop
2997	grepstart grepwhile mapstart mapwhile	3405	grepstart grepwhile mapstart mapwhile
2998	sort time	3406	sort time
2999	));	3407	));
3000		3408
3001	# here we export the classes and methods available to script code	3409	# here we export the classes and methods available to script code
…		…
3004		3412
3005	The following functions and methods are available within a safe environment:	3413	The following functions and methods are available within a safe environment:
3006		3414
3007	cf::object	3415	cf::object
3008	contr pay_amount pay_player map x y force_find force_add destroy	3416	contr pay_amount pay_player map x y force_find force_add destroy
3009	insert remove name archname title slaying race decrease_ob_nr	3417	insert remove name archname title slaying race decrease split
		3418	value
3010		3419
3011	cf::object::player	3420	cf::object::player
3012	player	3421	player
3013		3422
3014	cf::player	3423	cf::player
…		…
3019		3428
3020	=cut	3429	=cut
3021		3430
3022	for (	3431	for (
3023	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3432	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3024	insert remove inv name archname title slaying race	3433	insert remove inv nrof name archname title slaying race
3025	decrease_ob_nr destroy)],	3434	decrease split destroy change_exp value msg lore send_msg)],
3026	["cf::object::player" => qw(player)],	3435	["cf::object::player" => qw(player)],
3027	["cf::player" => qw(peaceful)],	3436	["cf::player" => qw(peaceful send_msg)],
3028	["cf::map" => qw(trigger)],	3437	["cf::map" => qw(trigger)],
3029	) {	3438	) {
3030	no strict 'refs';
3031	my ($pkg, @funs) = @$_;	3439	my ($pkg, @funs) = @$_;
3032	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3440	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3033	for @funs;	3441	for @funs;
3034	}	3442	}
3035		3443
…		…
3050		3458
3051	my $qcode = $code;	3459	my $qcode = $code;
3052	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3460	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3053	$qcode =~ s/\n/\\n/g;	3461	$qcode =~ s/\n/\\n/g;
3054		3462
		3463	%vars = (_dummy => 0) unless %vars;
		3464
		3465	my @res;
3055	local $_;	3466	local $_;
3056	local @safe::cf::_safe_eval_args = values %vars;
3057		3467
3058	my $eval =	3468	my $eval =
3059	"do {\n"	3469	"do {\n"
3060	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3470	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3061	. "#line 0 \"{$qcode}\"\n"	3471	. "#line 0 \"{$qcode}\"\n"
3062	. $code	3472	. $code
3063	. "\n}"	3473	. "\n}"
3064	;	3474	;
3065		3475
		3476	if ($CFG{safe_eval}) {
3066	sub_generation_inc;	3477	sub_generation_inc;
		3478	local @safe::cf::_safe_eval_args = values %vars;
3067	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3479	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3068	sub_generation_inc;	3480	sub_generation_inc;
		3481	} else {
		3482	local @cf::_safe_eval_args = values %vars;
		3483	@res = wantarray ? eval eval : scalar eval $eval;
		3484	}
3069		3485
3070	if ($@) {	3486	if ($@) {
3071	warn "$@";	3487	warn "$@",
3072	warn "while executing safe code '$code'\n";	3488	"while executing safe code '$code'\n",
3073	warn "with arguments " . (join " ", %vars) . "\n";	3489	"with arguments " . (join " ", %vars) . "\n";
3074	}	3490	}
3075		3491
3076	wantarray ? @res : $res[0]	3492	wantarray ? @res : $res[0]
3077	}	3493	}
3078		3494
…		…
3092	=cut	3508	=cut
3093		3509
3094	sub register_script_function {	3510	sub register_script_function {
3095	my ($fun, $cb) = @_;	3511	my ($fun, $cb) = @_;
3096		3512
3097	no strict 'refs';	3513	$fun = "safe::$fun" if $CFG{safe_eval};
3098	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3514	*$fun = $safe_hole->wrap ($cb);
3099	}	3515	}
3100		3516
3101	=back	3517	=back
3102		3518
3103	=cut	3519	=cut
3104		3520
3105	#############################################################################	3521	#############################################################################
3106	# the server's init and main functions	3522	# the server's init and main functions
3107		3523
		3524	our %FACEHASH; # hash => idx, #d# HACK for http server
		3525	our @FACEDATA; # dynamically-created facedata
		3526
		3527	# internal api, not fianlised
		3528	sub set_face {
		3529	my ($name, $type, $data) = @_;
		3530
		3531	my $idx = cf::face::find $name;
		3532
		3533	if ($idx) {
		3534	delete $FACEHASH{cf::face::get_chksum $idx};
		3535	} else {
		3536	$idx = cf::face::alloc $name;
		3537	}
		3538
		3539	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3540
		3541	cf::face::set_type $idx, $type;
		3542	cf::face::set_data $idx, 0, (length $data), 0, $hash;
		3543	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3544
		3545	# we need to destroy the SV itself, not just overwrite,
		3546	# as a running ix might hold a reference to it.
		3547	# delete achieves that.
		3548	delete $FACEDATA[$idx];
		3549	$FACEDATA[$idx] = $data;
		3550	$FACEHASH{$hash} = $idx;#d#
		3551
		3552	$idx
		3553	}
		3554
		3555	our $FACEDATA; # facedata filehandle
		3556
		3557	sub _face_get_data($$$$) {
		3558	my ($idx, $size, $fofs, $cb) = @_;
		3559
		3560	if (defined $FACEDATA[$idx]) {
		3561	$cb->($FACEDATA[$idx]);
		3562	} elsif ($fofs) {
		3563	my $buf;
		3564	IO::AIO::aio_read $FACEDATA, $fofs, $size, $buf, 0, sub {
		3565	if ($_[0] == $size) {
		3566	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3567	$cb->($buf);
		3568	} else {
		3569	cf::error "INTERNAL ERROR: unable to read facedata for face $idx ($size, $fofs), ignoring request.";
		3570	}
		3571	};
		3572	} else {
		3573	cf::error "requested facedata for unknown face $idx ($size, $fofs), ignoring.";
		3574	}
		3575	}
		3576
		3577	# rather ineffient
		3578	sub cf::face::get_data($;$) {
		3579	my ($idx, $faceset) = @_;
		3580
		3581	my $size = cf::face::get_size $idx, $faceset;
		3582	my $fofs = cf::face::get_fofs $idx, $faceset;
		3583
		3584	_face_get_data $idx, $size, $fofs, Coro::rouse_cb;
		3585	Coro::rouse_wait
		3586	}
		3587
		3588	sub cf::face::ix {
		3589	my ($ns, $idx, $pri, $size, $fofs) = @_;
		3590
		3591	_face_get_data $idx, $size, $fofs, sub {
		3592	$ns->ix_send ($idx, $pri, $_[0]);
		3593	};
		3594	}
		3595
3108	sub load_facedata($) {	3596	sub load_facedata($) {
3109	my ($path) = @_;	3597	my ($path) = @_;
3110		3598
3111	# HACK to clear player env face cache, we need some signal framework
3112	# for this (global event?)
3113	%ext::player_env::MUSIC_FACE_CACHE = ();
3114
3115	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3599	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3116		3600
3117	warn "loading facedata from $path\n";	3601	trace "loading facedata from $path\n";
3118		3602
3119	my $facedata;	3603	my $facedata = decode_storable load_file "$path/faceinfo";
3120	0 < aio_load $path, $facedata
3121	or die "$path: $!";
3122
3123	$facedata = Coro::Storable::thaw $facedata;
3124		3604
3125	$facedata->{version} == 2	3605	$facedata->{version} == 2
3126	or cf::cleanup "$path: version mismatch, cannot proceed.";	3606	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
3127		3607
3128	# patch in the exptable	3608	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
3129	$facedata->{resource}{"res/exp_table"} = {	3609	or cf::cleanup "$path/facedata: $!, cnanot proceed.";
3130	type => FT_RSRC,	3610
3131	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3611	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
3132	};	3612
3133	cf::cede_to_tick;	3613	# BEGIN ATOMIC
		3614	# from here on, everything must be atomic - no thread switch allowed
		3615	my $t1 = EV::time;
3134		3616
3135	{	3617	{
3136	my $faces = $facedata->{faceinfo};	3618	my $faces = $facedata->{faceinfo};
3137		3619
3138	while (my ($face, $info) = each %$faces) {	3620	for my $face (sort keys %$faces) {
		3621	my $info = $faces->{$face};
3139	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3622	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3623
3140	cf::face::set_visibility $idx, $info->{visibility};	3624	cf::face::set_visibility $idx, $info->{visibility};
3141	cf::face::set_magicmap $idx, $info->{magicmap};	3625	cf::face::set_magicmap $idx, $info->{magicmap};
3142	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3626	cf::face::set_data $idx, 0, $info->{size32}, $info->{fofs32}, $info->{hash32};
3143	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3627	cf::face::set_data $idx, 1, $info->{size64}, $info->{fofs64}, $info->{hash64};
3144		3628	#cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph}; # glyphs no longer downloadable via ix
3145	cf::cede_to_tick;	3629	$FACEHASH{$info->{hash64}} = $idx;#d#
3146	}	3630	}
3147		3631
3148	while (my ($face, $info) = each %$faces) {	3632	while (my ($face, $info) = each %$faces) {
3149	next unless $info->{smooth};	3633	next unless $info->{smooth};
		3634
3150	my $idx = cf::face::find $face	3635	my $idx = cf::face::find $face
3151	or next;	3636	or next;
		3637
3152	if (my $smooth = cf::face::find $info->{smooth}) {	3638	if (my $smooth = cf::face::find $info->{smooth}) {
3153	cf::face::set_smooth $idx, $smooth;	3639	cf::face::set_smooth $idx, $smooth;
3154	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3640	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3155	} else {	3641	} else {
3156	warn "smooth face '$info->{smooth}' not found for face '$face'";	3642	error "smooth face '$info->{smooth}' not found for face '$face'";
3157	}	3643	}
3158
3159	cf::cede_to_tick;
3160	}	3644	}
3161	}	3645	}
3162		3646
3163	{	3647	{
3164	my $anims = $facedata->{animinfo};	3648	my $anims = $facedata->{animinfo};
3165		3649
3166	while (my ($anim, $info) = each %$anims) {	3650	while (my ($anim, $info) = each %$anims) {
3167	cf::anim::set $anim, $info->{frames}, $info->{facings};	3651	cf::anim::set $anim, $info->{frames}, $info->{facings};
3168	cf::cede_to_tick;
3169	}	3652	}
3170		3653
3171	cf::anim::invalidate_all; # d'oh	3654	cf::anim::invalidate_all; # d'oh
3172	}	3655	}
3173		3656
3174	{	3657	{
3175	# TODO: for gcfclient pleasure, we should give resources
3176	# that gcfclient doesn't grok a >10000 face index.
3177	my $res = $facedata->{resource};	3658	my $res = $facedata->{resource};
3178		3659
3179	my $soundconf = delete $res->{"res/sound.conf"};
3180
3181	while (my ($name, $info) = each %$res) {	3660	while (my ($name, $info) = each %$res) {
		3661	if (defined (my $type = $info->{type})) {
		3662	# TODO: different hash - must free and use new index, or cache ixface data queue
3182	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3663	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3183	my $data;
3184		3664
3185	if ($info->{type} & 1) {	3665	cf::face::set_type $idx, $type;
3186	# prepend meta info	3666	cf::face::set_data $idx, 0, $info->{size}, $info->{fofs}, $info->{hash};
3187		3667	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
3188	my $meta = $enc->encode ({	3668	$FACEHASH{$info->{hash}} = $idx;#d#
3189	name => $name,
3190	%{ $info->{meta} || {} },
3191	});
3192
3193	$data = pack "(w/a*)*", $meta, $info->{data};
3194	} else {	3669	} else {
3195	$data = $info->{data};	3670	# $RESOURCE{$name} = $info; # unused
3196	}	3671	}
3197
3198	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3199	cf::face::set_type $idx, $info->{type};
3200
3201	cf::cede_to_tick;
3202	}
3203
3204	if ($soundconf) {
3205	$soundconf = $enc->decode (delete $soundconf->{data});
3206
3207	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3208	my $sound = $soundconf->{compat}[$_]
3209	or next;
3210
3211	my $face = cf::face::find "sound/$sound->[1]";
3212	cf::sound::set $sound->[0] => $face;
3213	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3214	}	3672	}
3215
3216	while (my ($k, $v) = each %{$soundconf->{event}}) {
3217	my $face = cf::face::find "sound/$v";
3218	cf::sound::set $k => $face;
3219	}
3220	}
3221	}	3673	}
		3674
		3675	($fh, $FACEDATA) = ($FACEDATA, $fh);
		3676
		3677	# HACK to clear player env face cache, we need some signal framework
		3678	# for this (global event?)
		3679	%ext::player_env::MUSIC_FACE_CACHE = ();
		3680
		3681	# END ATOMIC
		3682
		3683	cf::debug "facedata atomic update time ", EV::time - $t1;
		3684
		3685	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3686
		3687	aio_close $fh if $fh; # close old facedata
3222		3688
3223	1	3689	1
3224	}	3690	}
3225		3691
3226	register_exticmd fx_want => sub {	3692	register_exticmd fx_want => sub {
…		…
3228		3694
3229	while (my ($k, $v) = each %$want) {	3695	while (my ($k, $v) = each %$want) {
3230	$ns->fx_want ($k, $v);	3696	$ns->fx_want ($k, $v);
3231	}	3697	}
3232	};	3698	};
		3699
		3700	sub load_resource_file($) {
		3701	my $guard = lock_acquire "load_resource_file";
		3702
		3703	my $status = load_resource_file_ $_[0];
		3704	get_slot 0.1, 100;
		3705	cf::arch::commit_load;
		3706
		3707	$status
		3708	}
		3709
		3710	sub reload_exp_table {
		3711	_reload_exp_table;
		3712
		3713	set_face "res/exp_table" => FT_RSRC,
		3714	JSON::XS->new->utf8->canonical->encode (
		3715	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3716	);
		3717	}
		3718
		3719	sub reload_materials {
		3720	_reload_materials;
		3721	}
3233		3722
3234	sub reload_regions {	3723	sub reload_regions {
3235	# HACK to clear player env face cache, we need some signal framework	3724	# HACK to clear player env face cache, we need some signal framework
3236	# for this (global event?)	3725	# for this (global event?)
3237	%ext::player_env::MUSIC_FACE_CACHE = ();	3726	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3244	if exists $_->{match};	3733	if exists $_->{match};
3245	}	3734	}
3246	}	3735	}
3247		3736
3248	sub reload_facedata {	3737	sub reload_facedata {
3249	load_facedata "$DATADIR/facedata"	3738	load_facedata $DATADIR
3250	or die "unable to load facedata\n";	3739	or die "unable to load facedata\n";
3251	}	3740	}
3252		3741
3253	sub reload_archetypes {	3742	sub reload_archetypes {
3254	load_resource_file "$DATADIR/archetypes"	3743	load_resource_file "$DATADIR/archetypes"
3255	or die "unable to load archetypes\n";	3744	or die "unable to load archetypes\n";
3256	#d# NEED to laod twice to resolve forward references	3745
3257	# this really needs to be done in an extra post-pass	3746	set_face "res/skill_info" => FT_RSRC,
3258	# (which needs to be synchronous, so solve it differently)	3747	JSON::XS->new->utf8->canonical->encode (
3259	load_resource_file "$DATADIR/archetypes"	3748	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
3260	or die "unable to load archetypes\n";	3749	);
		3750	set_face "res/spell_paths" => FT_RSRC,
		3751	JSON::XS->new->utf8->canonical->encode (
		3752	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3753	);
3261	}	3754	}
3262		3755
3263	sub reload_treasures {	3756	sub reload_treasures {
3264	load_resource_file "$DATADIR/treasures"	3757	load_resource_file "$DATADIR/treasures"
3265	or die "unable to load treasurelists\n";	3758	or die "unable to load treasurelists\n";
3266	}	3759	}
3267		3760
		3761	sub reload_sound {
		3762	trace "loading sound config from $DATADIR/sound\n";
		3763
		3764	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3765
		3766	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3767	my $sound = $soundconf->{compat}[$_]
		3768	or next;
		3769
		3770	my $face = cf::face::find "sound/$sound->[1]";
		3771	cf::sound::set $sound->[0] => $face;
		3772	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3773	}
		3774
		3775	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3776	my $face = cf::face::find "sound/$v";
		3777	cf::sound::set $k => $face;
		3778	}
		3779	}
		3780
3268	sub reload_resources {	3781	sub reload_resources {
3269	warn "reloading resource files...\n";	3782	trace "reloading resource files...\n";
3270		3783
		3784	reload_materials;
		3785	reload_facedata;
		3786	reload_exp_table;
		3787	reload_sound;
		3788	reload_archetypes;
3271	reload_regions;	3789	reload_regions;
3272	reload_facedata;
3273	#reload_archetypes;#d#
3274	reload_archetypes;
3275	reload_treasures;	3790	reload_treasures;
3276		3791
3277	warn "finished reloading resource files\n";	3792	trace "finished reloading resource files\n";
3278	}
3279
3280	sub init {
3281	reload_resources;
3282	}	3793	}
3283		3794
3284	sub reload_config {	3795	sub reload_config {
3285	open my $fh, "<:utf8", "$CONFDIR/config"	3796	trace "reloading config file...\n";
3286	or return;
3287		3797
3288	local $/;	3798	my $config = load_file "$CONFDIR/config";
3289	*CFG = YAML::Syck::Load <$fh>;	3799	utf8::decode $config;
		3800	*CFG = decode_yaml $config;
3290		3801
3291	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3802	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3292		3803
3293	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3804	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3294	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3805	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3295		3806
3296	if (exists $CFG{mlockall}) {	3807	if (exists $CFG{mlockall}) {
…		…
3300	};	3811	};
3301	warn $@ if $@;	3812	warn $@ if $@;
3302	}	3813	}
3303	}	3814	}
3304		3815
		3816	sub pidfile() {
		3817	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3818	or die "$PIDFILE: $!";
		3819	flock $fh, &Fcntl::LOCK_EX
		3820	or die "$PIDFILE: flock: $!";
		3821	$fh
		3822	}
		3823
		3824	# make sure only one server instance is running at any one time
		3825	sub atomic {
		3826	my $fh = pidfile;
		3827
		3828	my $pid = <$fh>;
		3829	kill 9, $pid if $pid > 0;
		3830
		3831	seek $fh, 0, 0;
		3832	print $fh $$;
		3833	}
		3834
		3835	sub main_loop {
		3836	trace "EV::loop starting\n";
		3837	if (1) {
		3838	EV::loop;
		3839	}
		3840	trace "EV::loop returned\n";
		3841	goto &main_loop unless $REALLY_UNLOOP;
		3842	}
		3843
3305	sub main {	3844	sub main {
		3845	cf::init_globals; # initialise logging
		3846
		3847	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3848	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3849	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3850	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3851
		3852	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3853
3306	# we must not ever block the main coroutine	3854	# we must not ever block the main coroutine
3307	local $Coro::idle = sub {	3855	$Coro::idle = sub {
3308	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3856	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3309	(async {	3857	(async {
3310	$Coro::current->{desc} = "IDLE BUG HANDLER";	3858	$Coro::current->{desc} = "IDLE BUG HANDLER";
3311	Event::one_event;	3859	EV::loop EV::LOOP_ONESHOT;
3312	})->prio (Coro::PRIO_MAX);	3860	})->prio (Coro::PRIO_MAX);
3313	};	3861	};
3314		3862
		3863	evthread_start IO::AIO::poll_fileno;
		3864
		3865	cf::sync_job {
		3866	cf::incloader::init ();
		3867
		3868	db_init;
		3869
		3870	cf::init_anim;
		3871	cf::init_attackmess;
		3872	cf::init_dynamic;
		3873
		3874	cf::load_settings;
		3875
		3876	reload_resources;
3315	reload_config;	3877	reload_config;
3316	db_init;	3878
		3879	cf::init_uuid;
		3880	cf::init_signals;
		3881	cf::init_skills;
		3882
		3883	cf::init_beforeplay;
		3884
		3885	atomic;
		3886
3317	load_extensions;	3887	load_extensions;
3318		3888
3319	$TICK_WATCHER->start;	3889	utime time, time, $RUNTIMEFILE;
3320	Event::loop;	3890
		3891	# no (long-running) fork's whatsoever before this point(!)
		3892	use POSIX ();
		3893	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3894
		3895	cf::_post_init 0;
		3896	};
		3897
		3898	cf::object::thawer::errors_are_fatal 0;
		3899	info "parse errors in files are no longer fatal from this point on.\n";
		3900
		3901	AE::postpone {
		3902	undef &main; # free gobs of memory :)
		3903	};
		3904
		3905	goto &main_loop;
3321	}	3906	}
3322		3907
3323	#############################################################################	3908	#############################################################################
3324	# initialisation and cleanup	3909	# initialisation and cleanup
3325		3910
3326	# install some emergency cleanup handlers	3911	# install some emergency cleanup handlers
3327	BEGIN {	3912	BEGIN {
		3913	our %SIGWATCHER = ();
3328	for my $signal (qw(INT HUP TERM)) {	3914	for my $signal (qw(INT HUP TERM)) {
3329	Event->signal (	3915	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3330	reentrant => 0,
3331	data => WF_AUTOCANCEL,
3332	signal => $signal,
3333	prio => 0,
3334	cb => sub {
3335	cf::cleanup "SIG$signal";	3916	cf::cleanup "SIG$signal";
3336	},
3337	);	3917	};
3338	}	3918	}
3339	}	3919	}
3340		3920
3341	sub write_runtime {	3921	sub write_runtime_sync {
3342	my $runtime = "$LOCALDIR/runtime";	3922	my $t0 = AE::time;
3343		3923
3344	# first touch the runtime file to show we are still running:	3924	# first touch the runtime file to show we are still running:
3345	# the fsync below can take a very very long time.	3925	# the fsync below can take a very very long time.
3346		3926
3347	IO::AIO::aio_utime $runtime, undef, undef;	3927	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3348		3928
3349	my $guard = cf::lock_acquire "write_runtime";	3929	my $guard = cf::lock_acquire "write_runtime";
3350		3930
3351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3931	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3352	or return;	3932	or return;
3353		3933
3354	my $value = $cf::RUNTIME + 90 + 10;	3934	my $value = $cf::RUNTIME + 90 + 10;
3355	# 10 is the runtime save interval, for a monotonic clock	3935	# 10 is the runtime save interval, for a monotonic clock
3356	# 60 allows for the watchdog to kill the server.	3936	# 60 allows for the watchdog to kill the server.
…		…
3366	aio_utime $fh, undef, undef;	3946	aio_utime $fh, undef, undef;
3367		3947
3368	close $fh	3948	close $fh
3369	or return;	3949	or return;
3370		3950
3371	aio_rename "$runtime~", $runtime	3951	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3372	and return;	3952	and return;
3373		3953
3374	warn "runtime file written.\n";	3954	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3375		3955
3376	1	3956	1
		3957	}
		3958
		3959	our $uuid_lock;
		3960	our $uuid_skip;
		3961
		3962	sub write_uuid_sync($) {
		3963	$uuid_skip ||= $_[0];
		3964
		3965	return if $uuid_lock;
		3966	local $uuid_lock = 1;
		3967
		3968	my $uuid = "$LOCALDIR/uuid";
		3969
		3970	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3971	or return;
		3972
		3973	my $value = uuid_seq uuid_cur;
		3974
		3975	unless ($value) {
		3976	info "cowardly refusing to write zero uuid value!\n";
		3977	return;
		3978	}
		3979
		3980	my $value = uuid_str $value + $uuid_skip;
		3981	$uuid_skip = 0;
		3982
		3983	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3984	and return;
		3985
		3986	# always fsync - this file is important
		3987	aio_fsync $fh
		3988	and return;
		3989
		3990	close $fh
		3991	or return;
		3992
		3993	aio_rename "$uuid~", $uuid
		3994	and return;
		3995
		3996	trace "uuid file written ($value).\n";
		3997
		3998	1
		3999
		4000	}
		4001
		4002	sub write_uuid($$) {
		4003	my ($skip, $sync) = @_;
		4004
		4005	$sync ? write_uuid_sync $skip
		4006	: async { write_uuid_sync $skip };
3377	}	4007	}
3378		4008
3379	sub emergency_save() {	4009	sub emergency_save() {
3380	my $freeze_guard = cf::freeze_mainloop;	4010	my $freeze_guard = cf::freeze_mainloop;
3381		4011
3382	warn "enter emergency perl save\n";	4012	info "emergency_perl_save: enter\n";
		4013
		4014	# this is a trade-off: we want to be very quick here, so
		4015	# save all maps without fsync, and later call a global sync
		4016	# (which in turn might be very very slow)
		4017	local $USE_FSYNC = 0;
3383		4018
3384	cf::sync_job {	4019	cf::sync_job {
		4020	cf::write_runtime_sync; # external watchdog should not bark
		4021
3385	# use a peculiar iteration method to avoid tripping on perl	4022	# use a peculiar iteration method to avoid tripping on perl
3386	# refcount bugs in for. also avoids problems with players	4023	# refcount bugs in for. also avoids problems with players
3387	# and maps saved/destroyed asynchronously.	4024	# and maps saved/destroyed asynchronously.
3388	warn "begin emergency player save\n";	4025	info "emergency_perl_save: begin player save\n";
3389	for my $login (keys %cf::PLAYER) {	4026	for my $login (keys %cf::PLAYER) {
3390	my $pl = $cf::PLAYER{$login} or next;	4027	my $pl = $cf::PLAYER{$login} or next;
3391	$pl->valid or next;	4028	$pl->valid or next;
3392	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	4029	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3393	$pl->save;	4030	$pl->save;
3394	}	4031	}
3395	warn "end emergency player save\n";	4032	info "emergency_perl_save: end player save\n";
3396		4033
3397	warn "begin emergency map save\n";	4034	cf::write_runtime_sync; # external watchdog should not bark
		4035
		4036	info "emergency_perl_save: begin map save\n";
3398	for my $path (keys %cf::MAP) {	4037	for my $path (keys %cf::MAP) {
3399	my $map = $cf::MAP{$path} or next;	4038	my $map = $cf::MAP{$path} or next;
3400	$map->valid or next;	4039	$map->valid or next;
3401	$map->save;	4040	$map->save;
3402	}	4041	}
3403	warn "end emergency map save\n";	4042	info "emergency_perl_save: end map save\n";
3404		4043
3405	warn "begin emergency database checkpoint\n";	4044	cf::write_runtime_sync; # external watchdog should not bark
		4045
		4046	info "emergency_perl_save: begin database checkpoint\n";
3406	BDB::db_env_txn_checkpoint $DB_ENV;	4047	BDB::db_env_txn_checkpoint $DB_ENV;
3407	warn "end emergency database checkpoint\n";	4048	info "emergency_perl_save: end database checkpoint\n";
		4049
		4050	info "emergency_perl_save: begin write uuid\n";
		4051	write_uuid_sync 1;
		4052	info "emergency_perl_save: end write uuid\n";
		4053
		4054	cf::write_runtime_sync; # external watchdog should not bark
		4055
		4056	trace "emergency_perl_save: syncing database to disk";
		4057	BDB::db_env_txn_checkpoint $DB_ENV;
		4058
		4059	info "emergency_perl_save: starting sync\n";
		4060	IO::AIO::aio_sync sub {
		4061	info "emergency_perl_save: finished sync\n";
		4062	};
		4063
		4064	cf::write_runtime_sync; # external watchdog should not bark
		4065
		4066	trace "emergency_perl_save: flushing outstanding aio requests";
		4067	while (IO::AIO::nreqs || BDB::nreqs) {
		4068	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4069	}
		4070
		4071	cf::write_runtime_sync; # external watchdog should not bark
3408	};	4072	};
3409		4073
3410	warn "leave emergency perl save\n";	4074	info "emergency_perl_save: leave\n";
3411	}	4075	}
3412		4076
3413	sub post_cleanup {	4077	sub post_cleanup {
3414	my ($make_core) = @_;	4078	my ($make_core) = @_;
3415		4079
		4080	IO::AIO::flush;
		4081
3416	warn Carp::longmess "post_cleanup backtrace"	4082	error Carp::longmess "post_cleanup backtrace"
3417	if $make_core;	4083	if $make_core;
		4084
		4085	my $fh = pidfile;
		4086	unlink $PIDFILE if <$fh> == $$;
		4087	}
		4088
		4089	# a safer delete_package, copied from Symbol
		4090	sub clear_package($) {
		4091	my $pkg = shift;
		4092
		4093	# expand to full symbol table name if needed
		4094	unless ($pkg =~ /^main::.*::$/) {
		4095	$pkg = "main$pkg" if $pkg =~ /^::/;
		4096	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4097	$pkg .= '::' unless $pkg =~ /::$/;
		4098	}
		4099
		4100	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4101	my $stem_symtab = *{$stem}{HASH};
		4102
		4103	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4104	or return;
		4105
		4106	# clear all symbols
		4107	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4108	for my $name (keys %$leaf_symtab) {
		4109	_gv_clear *{"$pkg$name"};
		4110	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4111	}
3418	}	4112	}
3419		4113
3420	sub do_reload_perl() {	4114	sub do_reload_perl() {
3421	# can/must only be called in main	4115	# can/must only be called in main
3422	if ($Coro::current != $Coro::main) {	4116	unless (in_main) {
3423	warn "can only reload from main coroutine";	4117	error "can only reload from main coroutine";
3424	return;	4118	return;
3425	}	4119	}
3426		4120
3427	warn "reloading...";	4121	return if $RELOAD++;
3428		4122
3429	warn "entering sync_job";	4123	my $t1 = AE::time;
3430		4124
		4125	while ($RELOAD) {
		4126	cf::get_slot 0.1, -1, "reload_perl";
		4127	info "perl_reload: reloading...";
		4128
		4129	trace "perl_reload: entering sync_job";
		4130
3431	cf::sync_job {	4131	cf::sync_job {
3432	cf::write_runtime; # external watchdog should not bark
3433	cf::emergency_save;	4132	#cf::emergency_save;
3434	cf::write_runtime; # external watchdog should not bark
3435		4133
3436	warn "syncing database to disk";
3437	BDB::db_env_txn_checkpoint $DB_ENV;
3438
3439	# if anything goes wrong in here, we should simply crash as we already saved
3440
3441	warn "cancelling all WF_AUTOCANCEL watchers";
3442	for (Event::all_watchers) {
3443	$_->cancel if $_->data & WF_AUTOCANCEL;
3444	}
3445
3446	warn "flushing outstanding aio requests";
3447	for (;;) {
3448	BDB::flush;
3449	IO::AIO::flush;
3450	Coro::cede_notself;
3451	last unless IO::AIO::nreqs || BDB::nreqs;
3452	warn "iterate...";
3453	}
3454
3455	++$RELOAD;
3456
3457	warn "cancelling all extension coros";	4134	trace "perl_reload: cancelling all extension coros";
3458	$_->cancel for values %EXT_CORO;	4135	$_->cancel for values %EXT_CORO;
3459	%EXT_CORO = ();	4136	%EXT_CORO = ();
3460		4137
3461	warn "removing commands";	4138	trace "perl_reload: removing commands";
3462	%COMMAND = ();	4139	%COMMAND = ();
3463		4140
3464	warn "removing ext/exti commands";	4141	trace "perl_reload: removing ext/exti commands";
3465	%EXTCMD = ();	4142	%EXTCMD = ();
3466	%EXTICMD = ();	4143	%EXTICMD = ();
3467		4144
3468	warn "unloading/nuking all extensions";	4145	trace "perl_reload: unloading/nuking all extensions";
3469	for my $pkg (@EXTS) {	4146	for my $pkg (@EXTS) {
3470	warn "... unloading $pkg";	4147	trace "... unloading $pkg";
3471		4148
3472	if (my $cb = $pkg->can ("unload")) {	4149	if (my $cb = $pkg->can ("unload")) {
3473	eval {	4150	eval {
3474	$cb->($pkg);	4151	$cb->($pkg);
3475	1	4152	1
3476	} or warn "$pkg unloaded, but with errors: $@";	4153	} or error "$pkg unloaded, but with errors: $@";
		4154	}
		4155
		4156	trace "... clearing $pkg";
		4157	clear_package $pkg;
3477	}	4158	}
3478		4159
3479	warn "... nuking $pkg";
3480	Symbol::delete_package $pkg;
3481	}
3482
3483	warn "unloading all perl modules loaded from $LIBDIR";	4160	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3484	while (my ($k, $v) = each %INC) {	4161	while (my ($k, $v) = each %INC) {
3485	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4162	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3486		4163
3487	warn "... unloading $k";	4164	trace "... unloading $k";
3488	delete $INC{$k};	4165	delete $INC{$k};
3489		4166
3490	$k =~ s/\.pm$//;	4167	$k =~ s/\.pm$//;
3491	$k =~ s/\//::/g;	4168	$k =~ s/\//::/g;
3492		4169
3493	if (my $cb = $k->can ("unload_module")) {	4170	if (my $cb = $k->can ("unload_module")) {
3494	$cb->();	4171	$cb->();
		4172	}
		4173
		4174	clear_package $k;
3495	}	4175	}
3496		4176
3497	Symbol::delete_package $k;
3498	}
3499
3500	warn "getting rid of safe::, as good as possible";	4177	trace "perl_reload: getting rid of safe::, as good as possible";
3501	Symbol::delete_package "safe::$_"	4178	clear_package "safe::$_"
3502	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4179	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3503		4180
3504	warn "unloading cf.pm \"a bit\"";	4181	trace "perl_reload: unloading cf.pm \"a bit\"";
3505	delete $INC{"cf.pm"};	4182	delete $INC{"cf.pm"};
3506	delete $INC{"cf/pod.pm"};	4183	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3507		4184
3508	# don't, removes xs symbols, too,	4185	# don't, removes xs symbols, too,
3509	# and global variables created in xs	4186	# and global variables created in xs
3510	#Symbol::delete_package __PACKAGE__;	4187	#clear_package __PACKAGE__;
3511		4188
3512	warn "unload completed, starting to reload now";	4189	info "perl_reload: unload completed, starting to reload now";
3513		4190
3514	warn "reloading cf.pm";	4191	trace "perl_reload: reloading cf.pm";
3515	require cf;	4192	require cf;
3516	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4193	cf::_connect_to_perl_1;
3517		4194
3518	warn "loading config and database again";	4195	trace "perl_reload: loading config and database again";
3519	cf::reload_config;	4196	cf::reload_config;
3520		4197
3521	warn "loading extensions";	4198	trace "perl_reload: loading extensions";
3522	cf::load_extensions;	4199	cf::load_extensions;
3523		4200
		4201	if ($REATTACH_ON_RELOAD) {
3524	warn "reattaching attachments to objects/players";	4202	trace "perl_reload: reattaching attachments to objects/players";
3525	_global_reattach; # objects, sockets	4203	_global_reattach; # objects, sockets
3526	warn "reattaching attachments to maps";	4204	trace "perl_reload: reattaching attachments to maps";
3527	reattach $_ for values %MAP;	4205	reattach $_ for values %MAP;
3528	warn "reattaching attachments to players";	4206	trace "perl_reload: reattaching attachments to players";
3529	reattach $_ for values %PLAYER;	4207	reattach $_ for values %PLAYER;
		4208	}
3530		4209
3531	warn "leaving sync_job";	4210	cf::_post_init 1;
3532		4211
		4212	trace "perl_reload: leaving sync_job";
		4213
3533	1	4214	1
3534	} or do {	4215	} or do {
3535	warn $@;	4216	error $@;
3536	warn "error while reloading, exiting.";	4217	cf::cleanup "perl_reload: error, exiting.";
3537	exit 1;	4218	};
		4219
		4220	--$RELOAD;
3538	};	4221	}
3539		4222
3540	warn "reloaded";	4223	$t1 = AE::time - $t1;
		4224	info "perl_reload: completed in ${t1}s\n";
3541	};	4225	};
3542		4226
3543	our $RELOAD_WATCHER; # used only during reload	4227	our $RELOAD_WATCHER; # used only during reload
3544		4228
3545	sub reload_perl() {	4229	sub reload_perl() {
3546	# doing reload synchronously and two reloads happen back-to-back,	4230	# doing reload synchronously and two reloads happen back-to-back,
3547	# coro crashes during coro_state_free->destroy here.	4231	# coro crashes during coro_state_free->destroy here.
3548		4232
3549	$RELOAD_WATCHER ||= Event->timer (	4233	$RELOAD_WATCHER ||= cf::async {
3550	reentrant => 0,	4234	Coro::AIO::aio_wait cache_extensions;
3551	after => 0,	4235
3552	data => WF_AUTOCANCEL,	4236	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3553	cb => sub {
3554	do_reload_perl;	4237	do_reload_perl;
3555	undef $RELOAD_WATCHER;	4238	undef $RELOAD_WATCHER;
3556	},	4239	};
3557	);	4240	};
3558	}	4241	}
3559		4242
3560	register_command "reload" => sub {	4243	register_command "reload" => sub {
3561	my ($who, $arg) = @_;	4244	my ($who, $arg) = @_;
3562		4245
…		…
3567	reload_perl;	4250	reload_perl;
3568	};	4251	};
3569	}	4252	}
3570	};	4253	};
3571		4254
3572	unshift @INC, $LIBDIR;	4255	#############################################################################
3573		4256
3574	my $bug_warning = 0;	4257	my $bug_warning = 0;
3575		4258
3576	our @WAIT_FOR_TICK;
3577	our @WAIT_FOR_TICK_BEGIN;
3578
3579	sub wait_for_tick {	4259	sub wait_for_tick() {
3580	return unless $TICK_WATCHER->is_active;	4260	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3581	return if $Coro::current == $Coro::main;
3582		4261
3583	my $signal = new Coro::Signal;	4262	$WAIT_FOR_TICK->wait;
3584	push @WAIT_FOR_TICK, $signal;
3585	$signal->wait;
3586	}	4263	}
3587		4264
3588	sub wait_for_tick_begin {	4265	sub wait_for_tick_begin() {
3589	return unless $TICK_WATCHER->is_active;	4266	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3590	return if $Coro::current == $Coro::main;
3591		4267
3592	my $signal = new Coro::Signal;	4268	my $signal = new Coro::Signal;
3593	push @WAIT_FOR_TICK_BEGIN, $signal;	4269	push @WAIT_FOR_TICK_BEGIN, $signal;
3594	$signal->wait;	4270	$signal->wait;
3595	}	4271	}
3596		4272
3597	$TICK_WATCHER = Event->timer (	4273	sub tick {
3598	reentrant => 0,
3599	parked => 1,
3600	prio => 0,
3601	at => $NEXT_TICK || $TICK,
3602	data => WF_AUTOCANCEL,
3603	cb => sub {
3604	if ($Coro::current != $Coro::main) {	4274	if ($Coro::current != $Coro::main) {
3605	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4275	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3606	unless ++$bug_warning > 10;	4276	unless ++$bug_warning > 10;
3607	return;	4277	return;
3608	}	4278	}
3609		4279
3610	$NOW = $tick_start = Event::time;	4280	cf::one_tick; # one server iteration
3611		4281
3612	cf::server_tick; # one server iteration	4282	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3613		4283
3614	$RUNTIME += $TICK;
3615	$NEXT_TICK += $TICK;
3616
3617	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4284	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3618	$NEXT_RUNTIME_WRITE = $NOW + 10;	4285	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3619	Coro::async_pool {	4286	Coro::async_pool {
3620	$Coro::current->{desc} = "runtime saver";	4287	$Coro::current->{desc} = "runtime saver";
3621	write_runtime	4288	write_runtime_sync
3622	or warn "ERROR: unable to write runtime file: $!";	4289	or error "ERROR: unable to write runtime file: $!";
3623	};
3624	}	4290	};
		4291	}
3625		4292
3626	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4293	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3627	$sig->send;	4294	$sig->send;
3628	}	4295	}
3629	while (my $sig = shift @WAIT_FOR_TICK) {	4296	$WAIT_FOR_TICK->broadcast;
3630	$sig->send;
3631	}
3632		4297
3633	$NOW = Event::time;	4298	$LOAD = ($NOW - $TICK_START) / $TICK;
3634
3635	# if we are delayed by four ticks or more, skip them all
3636	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3637
3638	$TICK_WATCHER->at ($NEXT_TICK);
3639	$TICK_WATCHER->start;
3640
3641	$LOAD = ($NOW - $tick_start) / $TICK;
3642	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4299	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3643		4300
3644	_post_tick;	4301	if (0) {
		4302	if ($NEXT_TICK) {
		4303	my $jitter = $TICK_START - $NEXT_TICK;
		4304	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4305	debug "jitter $JITTER\n";#d#
		4306	}
3645	},	4307	}
3646	);	4308	}
3647		4309
3648	{	4310	{
		4311	# configure BDB
		4312	info "initialising database";
		4313
3649	BDB::min_parallel 8;	4314	BDB::min_parallel 16;
3650	BDB::max_poll_time $TICK * 0.1;	4315	BDB::max_poll_reqs $TICK * 0.1;
3651	$BDB_POLL_WATCHER = Event->io (	4316	#$AnyEvent::BDB::WATCHER->priority (1);
3652	reentrant => 0,
3653	fd => BDB::poll_fileno,
3654	poll => 'r',
3655	prio => 0,
3656	data => WF_AUTOCANCEL,
3657	cb => \&BDB::poll_cb,
3658	);
3659
3660	BDB::set_sync_prepare {
3661	my $status;
3662	my $current = $Coro::current;
3663	(
3664	sub {
3665	$status = $!;
3666	$current->ready; undef $current;
3667	},
3668	sub {
3669	Coro::schedule while defined $current;
3670	$! = $status;
3671	},
3672	)
3673	};
3674		4317
3675	unless ($DB_ENV) {	4318	unless ($DB_ENV) {
3676	$DB_ENV = BDB::db_env_create;	4319	$DB_ENV = BDB::db_env_create;
3677	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4320	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3678	| BDB::LOG_AUTOREMOVE, 1);	4321	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4322	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3679	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4323	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3680	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4324	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3681		4325
3682	cf::sync_job {	4326	cf::sync_job {
3683	eval {	4327	eval {
…		…
3693		4337
3694	cf::cleanup "db_env_open(db): $@" if $@;	4338	cf::cleanup "db_env_open(db): $@" if $@;
3695	};	4339	};
3696	}	4340	}
3697		4341
3698	$BDB_DEADLOCK_WATCHER = Event->timer (	4342	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3699	after => 3,
3700	interval => 1,
3701	hard => 1,
3702	prio => 0,
3703	data => WF_AUTOCANCEL,
3704	cb => sub {
3705	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	4343	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3706	},
3707	);	4344	};
3708	$BDB_CHECKPOINT_WATCHER = Event->timer (	4345	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3709	after => 11,
3710	interval => 60,
3711	hard => 1,
3712	prio => 0,
3713	data => WF_AUTOCANCEL,
3714	cb => sub {
3715	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4346	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3716	},
3717	);	4347	};
3718	$BDB_TRICKLE_WATCHER = Event->timer (	4348	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3719	after => 5,
3720	interval => 10,
3721	hard => 1,
3722	prio => 0,
3723	data => WF_AUTOCANCEL,
3724	cb => sub {
3725	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4349	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3726	},
3727	);	4350	};
		4351
		4352	info "database initialised";
3728	}	4353	}
3729		4354
3730	{	4355	{
		4356	# configure IO::AIO
		4357
		4358	info "initialising aio";
3731	IO::AIO::min_parallel 8;	4359	IO::AIO::min_parallel 8;
3732
3733	undef $Coro::AIO::WATCHER;
3734	IO::AIO::max_poll_time $TICK * 0.1;	4360	IO::AIO::max_poll_time $TICK * 0.1;
3735	$AIO_POLL_WATCHER = Event->io (	4361	undef $AnyEvent::AIO::WATCHER;
3736	reentrant => 0,	4362	info "aio initialised";
3737	data => WF_AUTOCANCEL,
3738	fd => IO::AIO::poll_fileno,
3739	poll => 'r',
3740	prio => 0,
3741	cb => \&IO::AIO::poll_cb,
3742	);
3743	}	4363	}
3744		4364
3745	my $_log_backtrace;	4365	our $_log_backtrace;
		4366	our $_log_backtrace_last;
3746		4367
3747	sub _log_backtrace {	4368	sub _log_backtrace {
3748	my ($msg, @addr) = @_;	4369	my ($msg, @addr) = @_;
3749		4370
3750	$msg =~ s/\n//;	4371	$msg =~ s/\n$//;
3751		4372
		4373	if ($_log_backtrace_last eq $msg) {
		4374	LOG llevInfo, "[ABT] $msg\n";
		4375	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3752	# limit the # of concurrent backtraces	4376	# limit the # of concurrent backtraces
3753	if ($_log_backtrace < 2) {	4377	} elsif ($_log_backtrace < 2) {
		4378	$_log_backtrace_last = $msg;
3754	++$_log_backtrace;	4379	++$_log_backtrace;
		4380	my $perl_bt = Carp::longmess $msg;
3755	async {	4381	async {
3756	$Coro::current->{desc} = "abt $msg";	4382	$Coro::current->{desc} = "abt $msg";
3757		4383
3758	my @bt = fork_call {	4384	my @bt = fork_call {
3759	@addr = map { sprintf "%x", $_ } @addr;	4385	@addr = map { sprintf "%x", $_ } @addr;
…		…
3770	}	4396	}
3771		4397
3772	@funcs	4398	@funcs
3773	};	4399	};
3774		4400
3775	LOG llevInfo, "[ABT] $msg\n";	4401	LOG llevInfo, "[ABT] $perl_bt\n";
		4402	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3776	LOG llevInfo, "[ABT] $_\n" for @bt;	4403	LOG llevInfo, "[ABT] $_\n" for @bt;
3777	--$_log_backtrace;	4404	--$_log_backtrace;
3778	};	4405	};
3779	} else {	4406	} else {
3780	LOG llevInfo, "[ABT] $msg\n";	4407	LOG llevInfo, "[ABT] $msg\n";
3781	LOG llevInfo, "[ABT] [suppressed]\n";	4408	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3782	}	4409	}
3783	}	4410	}
3784		4411
3785	# load additional modules	4412	# load additional modules
3786	use cf::pod;	4413	require "cf/$_.pm" for @EXTRA_MODULES;
		4414	cf::_connect_to_perl_2;
3787		4415
3788	END { cf::emergency_save }	4416	END { cf::emergency_save }
3789		4417
3790	1	4418	1
3791		4419

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