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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.391 by root, Fri Oct 26 04:22:05 2007 UTC vs.
Revision 1.606 by root, Sun Nov 18 08:34:23 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 $cf::LOADAVG
156		240
157	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
158	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
159	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
162		246
163	The raw value load value from the last tick.	247	The raw value load value from the last tick.
164		248
165	=item %cf::CFG	249	=item %cf::CFG
166		250
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	252	from wherever your confdir points to.
169		253
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		255
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
173	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
175		277
176	=item @cf::INVOKE_RESULTS	278	=item @cf::INVOKE_RESULTS
177		279
178	This array contains the results of the last C<invoke ()> call. When	280	This array contains the results of the last C<invoke ()> call. When
179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
180	that call.	282	that call.
181		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
		289
182	=back	290	=back
183		291
184	=cut	292	=cut
185		293
186	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
187	*CORE::GLOBAL::warn = sub {	295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
		299
		300	$Coro::State::WARNHOOK = sub {
188	my $msg = join "", @_;	301	my $msg = join "", @_;
189		302
190	$msg .= "\n"	303	$msg .= "\n"
191	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
192		305
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		307
195	LOG llevError, $msg;	308	LOG llevWarn, $msg;
196	};	309	};
197	}	310
		311	$Coro::State::DIEHOOK = sub {
		312	return unless $^S eq 0; # "eq", not "=="
		313
		314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
		317	error "DIEHOOK called in main context, Coro bug?\n";#d#
		318	return;#d#
		319	}#d#
		320
		321	# kill coroutine otherwise
		322	Coro::terminate
		323	};
198		324
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	335	for my $pkg (qw(
210	cf::global cf::attachable	336	cf::global cf::attachable
211	cf::object cf::object::player	337	cf::object cf::object::player
212	cf::client cf::player	338	cf::client cf::player
213	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
214	cf::map cf::party cf::region	341	cf::party cf::region
215	)) {	342	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	344	}
219		345
220	$Event::DIED = sub {	346	$EV::DIED = sub {
221	warn "error in event callback: @_";	347	warn "error in event callback: $@";
222	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
223		354
224	#############################################################################	355	#############################################################################
225		356
226	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
227		358
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	380	$d
250	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
251	}	382	}
252		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($path, $data, $sync) = @_;
		407
		408	my $lock = cf::lock_acquire ("replace_file:$path");
		409
		410	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		411	or return;
		412
		413	$data = $data->() if ref $data;
		414
		415	length $data == aio_write $fh, 0, (length $data), $data, 0
		416	or return;
		417
		418	!$sync
		419	or !aio_fsync $fh
		420	or return;
		421
		422	aio_close $fh
		423	and return;
		424
		425	aio_rename "$path~", $path
		426	and return;
		427
		428	if ($sync) {
		429	$path =~ s%/[^/]*$%%;
		430	aio_pathsync $path;
		431	}
		432
		433	1
		434	}
		435
253	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
254		437
255	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
256		439
257	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
258		441
259	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
260		443
261	=cut	444	=cut
262		445
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		447
265	sub to_json ($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	449	sub decode_json($) { $json_coder->decode ($_[0]) }
		450
		451	=item $ref = cf::decode_storable $scalar
		452
		453	Same as Coro::Storable::thaw, so blocks.
		454
		455	=cut
		456
		457	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		458
		459	=item $ref = cf::decode_yaml $scalar
		460
		461	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		462
		463	=cut
		464
		465	sub decode_yaml($) {
		466	fork_call { YAML::XS::Load $_[0] } @_
		467	}
		468
		469	=item $scalar = cf::unlzf $scalar
		470
		471	Same as Compress::LZF::compress, but takes server ticks into account, so
		472	blocks.
		473
		474	=cut
		475
		476	sub unlzf($) {
		477	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		478	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		479	Compress::LZF::decompress $_[0]
		480	}
		481
		482	=item cf::post_init { BLOCK }
		483
		484	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		485	but I<before> the server starts ticking again.
		486
		487	The codeblock will have a single boolean argument to indicate whether this
		488	is a reload or not.
		489
		490	=cut
		491
		492	sub post_init(&) {
		493	push @POST_INIT, shift;
		494	}
		495
		496	sub _post_init {
		497	trace "running post_init jobs";
		498
		499	# run them in parallel...
		500
		501	my @join;
		502
		503	while () {
		504	push @join, map &Coro::async ($_, 0), @POST_INIT;
		505	@POST_INIT = ();
		506
		507	@join or last;
		508
		509	(pop @join)->join;
		510	}
		511	}
267		512
268	=item cf::lock_wait $string	513	=item cf::lock_wait $string
269		514
270	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
271		516
272	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
273		518
274	Wait until the given lock is available and then acquires it and returns	519	Wait until the given lock is available and then acquires it and returns
275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	520	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
276	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
277	returned.	522	returned.
278		523
279	Locks are *not* recursive, locking from the same coro twice results in a	524	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	525	deadlocked coro.
…		…
286		531
287	Return true if the lock is currently active, i.e. somebody has locked it.	532	Return true if the lock is currently active, i.e. somebody has locked it.
288		533
289	=cut	534	=cut
290		535
291	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		537
294	sub lock_wait($) {	538	sub lock_wait($) {
295	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
296
297	if ($LOCKER{$key} == $Coro::current) {#d#
298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299	return;#d#
300	}#d#
301
302	# wait for lock, if any
303	while ($LOCK{$key}) {
304	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	540	}
308		541
309	sub lock_acquire($) {	542	sub lock_acquire($) {
310	my ($key) = @_;	543	$LOCKS->guard ($_[0])
311
312	# wait, to be sure we are not locked
313	lock_wait $key;
314
315	$LOCK{$key} = [];
316	$LOCKER{$key} = $Coro::current;#d#
317
318	Coro::guard {
319	delete $LOCKER{$key};#d#
320	# wake up all waiters, to be on the safe side
321	$_->ready for @{ delete $LOCK{$key} };
322	}
323	}	544	}
324		545
325	sub lock_active($) {	546	sub lock_active($) {
326	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	548	}
330		549
331	sub freeze_mainloop {	550	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
333		552
334	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	554	}
336	};	555
337	$TICK_WATCHER->stop;	556	=item cf::periodic $interval, $cb
338	$guard	557
		558	Like EV::periodic, but randomly selects a starting point so that the actions
		559	get spread over time.
		560
		561	=cut
		562
		563	sub periodic($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
339	}	569	}
340		570
341	=item cf::get_slot $time[, $priority[, $name]]	571	=item cf::get_slot $time[, $priority[, $name]]
342		572
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	573	Allocate $time seconds of blocking CPU time at priority C<$priority>
344	This call blocks and returns only when you have at least C<$time> seconds	574	(default: 0): This call blocks and returns only when you have at least
345	of cpu time till the next tick. The slot is only valid till the next cede.	575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority less than zero, interactive jobs
		579	should use 100 or more.
346		580
347	The optional C<$name> can be used to identify the job to run. It might be	581	The optional C<$name> can be used to identify the job to run. It might be
348	used for statistical purposes and should identify the same time-class.	582	used for statistical purposes and should identify the same time-class.
349		583
350	Useful for short background jobs.	584	Useful for short background jobs.
351		585
352	=cut	586	=cut
353		587
354	our @SLOT_QUEUE;	588	our @SLOT_QUEUE;
355	our $SLOT_QUEUE;	589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
356		591
357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
358	$SLOT_QUEUE = Coro::async {	593	$SLOT_QUEUE = Coro::async {
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;
…		…
406		648
407	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
408		650
409	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
410		652
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	653	The design of Deliantra requires that the main coroutine ($Coro::main)
412	is always able to handle events or runnable, as Crossfire TRT is only	654	is always able to handle events or runnable, as Deliantra is only
413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	655	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	656	acceptable.
415		657
416	If it must be done, put the blocking parts into C<sync_job>. This will run	658	If it must be done, put the blocking parts into C<sync_job>. This will run
417	the given BLOCK in another coroutine while waiting for the result. The	659	the given BLOCK in another coroutine while waiting for the result. The
…		…
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,
504	# otherwise perl prematurely frees the stuff :/
505	# TODO: investigate and fix (likely this will be rather laborious)
506
507	my @res = Coro::Util::fork_eval {	744	my @res = Coro::Util::fork_eval {
508	reset_signals;	745	cf::post_fork;
509	&$cb	746	&$cb
510	}, @args;	747	} @args;
511		748
512	wantarray ? @res : $res[-1]	749	wantarray ? @res : $res[-1]
		750	}
		751
		752	sub objinfo {
		753	(
		754	"counter value" => cf::object::object_count,
		755	"objects created" => cf::object::create_count,
		756	"objects destroyed" => cf::object::destroy_count,
		757	"freelist size" => cf::object::free_count,
		758	"allocated objects" => cf::object::objects_size,
		759	"active objects" => cf::object::actives_size,
		760	)
		761	}
		762
		763	=item $coin = coin_from_name $name
		764
		765	=cut
		766
		767	our %coin_alias = (
		768	"silver" => "silvercoin",
		769	"silvercoin" => "silvercoin",
		770	"silvercoins" => "silvercoin",
		771	"gold" => "goldcoin",
		772	"goldcoin" => "goldcoin",
		773	"goldcoins" => "goldcoin",
		774	"platinum" => "platinacoin",
		775	"platinumcoin" => "platinacoin",
		776	"platinumcoins" => "platinacoin",
		777	"platina" => "platinacoin",
		778	"platinacoin" => "platinacoin",
		779	"platinacoins" => "platinacoin",
		780	"royalty" => "royalty",
		781	"royalties" => "royalty",
		782	);
		783
		784	sub coin_from_name($) {
		785	$coin_alias{$_[0]}
		786	? cf::arch::find $coin_alias{$_[0]}
		787	: undef
513	}	788	}
514		789
515	=item $value = cf::db_get $family => $key	790	=item $value = cf::db_get $family => $key
516		791
517	Returns a single value from the environment database.	792	Returns a single value from the environment database.
…		…
527	within each server.	802	within each server.
528		803
529	=cut	804	=cut
530		805
531	sub db_table($) {	806	sub db_table($) {
		807	cf::error "db_get called from main context"
		808	if $Coro::current == $Coro::main;
		809
532	my ($name) = @_;	810	my ($name) = @_;
533	my $db = BDB::db_create $DB_ENV;	811	my $db = BDB::db_create $DB_ENV;
534		812
535	eval {	813	eval {
536	$db->set_flags (BDB::CHKSUM);	814	$db->set_flags (BDB::CHKSUM);
…		…
546	}	824	}
547		825
548	our $DB;	826	our $DB;
549		827
550	sub db_init {	828	sub db_init {
551	cf::sync_job {
552	$DB ||= db_table "db";	829	$DB ||= db_table "db";
553	};
554	}	830	}
555		831
556	sub db_get($$) {	832	sub db_get($$) {
557	my $key = "$_[0]/$_[1]";	833	my $key = "$_[0]/$_[1]";
558		834
559	cf::sync_job {	835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
560	BDB::db_get $DB, undef, $key, my $data;	838	BDB::db_get $DB, undef, $key, my $data;
561		839
562	$! ? ()	840	$! ? ()
563	: $data	841	: $data
564	}
565	}	842	}
566		843
567	sub db_put($$$) {	844	sub db_put($$$) {
568	BDB::dbreq_pri 4;	845	BDB::dbreq_pri 4;
569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
597		874
598	my @data;	875	my @data;
599	my $md5;	876	my $md5;
600		877
601	for (0 .. $#$src) {	878	for (0 .. $#$src) {
602	0 <= aio_load $src->[$_], $data[$_]	879	$data[$_] = load_file $src->[$_];
603	or Carp::croak "$src->[$_]: $!";
604	}	880	}
605		881
606	# if processing is expensive, check	882	# if processing is expensive, check
607	# checksum first	883	# checksum first
608	if (1) {	884	if (1) {
…		…
621		897
622	return db_get cache => "$id/data";	898	return db_get cache => "$id/data";
623	}	899	}
624	}	900	}
625		901
626	my $t1 = Time::HiRes::time;	902	my $t1 = EV::time;
627	my $data = $process->(\@data);	903	my $data = $process->(\@data);
628	my $t2 = Time::HiRes::time;	904	my $t2 = EV::time;
629		905
630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
631		907
632	db_put cache => "$id/data", $data;	908	db_put cache => "$id/data", $data;
633	db_put cache => "$id/md5" , $md5;	909	db_put cache => "$id/md5" , $md5;
634	db_put cache => "$id/meta", $meta;	910	db_put cache => "$id/meta", $meta;
635		911
…		…
645		921
646	=cut	922	=cut
647		923
648	sub datalog($@) {	924	sub datalog($@) {
649	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
650	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
651	}	927	}
652		928
653	=back	929	=back
654		930
655	=cut	931	=cut
656		932
657	#############################################################################	933	#############################################################################
658		934
659	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
660		936
661	Many objects in crossfire are so-called attachable objects. That means you can	937	Many objects in deliantra are so-called attachable objects. That means you can
662	attach callbacks/event handlers (a collection of which is called an "attachment")	938	attach callbacks/event handlers (a collection of which is called an "attachment")
663	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
664		940
665	In the following description, CLASS can be any of C<global>, C<object>	941	In the following description, CLASS can be any of C<global>, C<object>
666	C<player>, C<client> or C<map> (i.e. the attachable objects in	942	C<player>, C<client> or C<map> (i.e. the attachable objects in
667	Crossfire TRT).	943	Deliantra).
668		944
669	=over 4	945	=over 4
670		946
671	=item $attachable->attach ($attachment, key => $value...)	947	=item $attachable->attach ($attachment, key => $value...)
672		948
…		…
716	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
717		993
718	Register an attachment by C<$name> through which attachable objects of the	994	Register an attachment by C<$name> through which attachable objects of the
719	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
720		996
721	Some classes such as crossfire maps and objects can specify attachments	997	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.	998	that are attached at load/instantiate time, thus the need for a name.
723		999
724	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
725		1001
726	=over 4	1002	=over 4
…		…
850		1126
851	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
852	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
853		1129
854	} elsif (ref $type) {	1130	} elsif (ref $type) {
855	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
856		1132
857	} else {	1133	} else {
858	shift @arg;	1134	shift @arg;
859	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
860	}	1136	}
861	}	1137	}
862	}	1138	}
863		1139
864	sub _object_attach {	1140	sub _object_attach {
…		…
874	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
875	}	1151	}
876		1152
877	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
878	} else {	1154	} else {
879	warn "object uses attachment '$name' which is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
880	}	1156	}
881		1157
882	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
883	}	1159	}
884		1160
…		…
943		1219
944	for (@$callbacks) {	1220	for (@$callbacks) {
945	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
946		1222
947	if ($@) {	1223	if ($@) {
948	warn "$@";
949	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
950	override;	1225	override;
951	}	1226	}
952		1227
953	return 1 if $override;	1228	return 1 if $override;
954	}	1229	}
955		1230
956	0	1231	0
957	}	1232	}
958		1233
959	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
960		1235
961	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
962		1237
963	Generate an object-specific event with the given arguments.	1238	Generate an object-specific event with the given arguments.
964		1239
…		…
1017		1292
1018	sub reattach {	1293	sub reattach {
1019	# basically do the same as instantiate, without calling instantiate	1294	# basically do the same as instantiate, without calling instantiate
1020	my ($obj) = @_;	1295	my ($obj) = @_;
1021		1296
		1297	# no longer needed after getting rid of delete_package?
1022	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1298	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1023		1299
1024	my $registry = $obj->registry;	1300	my $registry = $obj->registry;
1025		1301
1026	@$registry = ();	1302	@$registry = ();
1027		1303
…		…
1032	for (@$attach) {	1308	for (@$attach) {
1033	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
1034	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
1035	}	1311	}
1036	} else {	1312	} else {
1037	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
1038	}	1314	}
1039	}	1315	}
1040	}	1316	}
1041		1317
1042	cf::attachable->attach (	1318	cf::attachable->attach (
1043	prio => -1000000,	1319	prio => -1000000,
1044	on_instantiate => sub {	1320	on_instantiate => sub {
1045	my ($obj, $data) = @_;	1321	my ($obj, $data) = @_;
1046		1322
1047	$data = from_json $data;	1323	$data = decode_json $data;
1048		1324
1049	for (@$data) {	1325	for (@$data) {
1050	my ($name, $args) = @$_;	1326	my ($name, $args) = @$_;
1051		1327
1052	$obj->attach ($name, %{$args || {} });	1328	$obj->attach ($name, %{$args || {} });
…		…
1069	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
1070		1346
1071	sync_job {	1347	sync_job {
1072	if (length $$rdata) {	1348	if (length $$rdata) {
1073	utf8::decode (my $decname = $filename);	1349	utf8::decode (my $decname = $filename);
1074	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
1075	$decname, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
1076		1353
1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1078	chmod SAVE_MODE, $fh;	1355	aio_chmod $fh, SAVE_MODE;
1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1080	aio_fsync $fh if $cf::USE_FSYNC;	1357	if ($cf::USE_FSYNC) {
		1358	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1359	aio_fsync $fh;
		1360	}
1081	close $fh;	1361	aio_close $fh;
1082		1362
1083	if (@$objs) {	1363	if (@$objs) {
1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1364	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1085	chmod SAVE_MODE, $fh;	1365	aio_chmod $fh, SAVE_MODE;
1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1087	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
1088	aio_fsync $fh if $cf::USE_FSYNC;	1368	if ($cf::USE_FSYNC) {
		1369	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1370	aio_fsync $fh;
		1371	}
1089	close $fh;	1372	aio_close $fh;
1090	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
1091	}	1374	}
1092	} else {	1375	} else {
1093	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
1094	}	1377	}
1095		1378
1096	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
1097	} else {	1383	} else {
1098	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
1099	}	1385	}
1100	} else {	1386	} else {
1101	aio_unlink $filename;	1387	aio_unlink $filename;
1102	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
1103	}	1389	}
…		…
1127	my $st = eval { Coro::Storable::thaw $av };	1413	my $st = eval { Coro::Storable::thaw $av };
1128	$av = $st->{objs};	1414	$av = $st->{objs};
1129	}	1415	}
1130		1416
1131	utf8::decode (my $decname = $filename);	1417	utf8::decode (my $decname = $filename);
1132	warn sprintf "loading %s (%d,%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
1133	$decname, length $data, scalar @{$av || []};	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
1134		1421
1135	($data, $av)	1422	($data, $av)
1136	}	1423	}
1137		1424
1138	=head2 COMMAND CALLBACKS	1425	=head2 COMMAND CALLBACKS
…		…
1142	=cut	1429	=cut
1143		1430
1144	#############################################################################	1431	#############################################################################
1145	# command handling &c	1432	# command handling &c
1146		1433
1147	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
1148		1435
1149	Register a callback for execution when the client sends the user command	1436	Register a callback for execution when the client sends the user command
1150	$name.	1437	$name.
1151		1438
1152	=cut	1439	=cut
…		…
1158	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
1159		1446
1160	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
1161	}	1448	}
1162		1449
1163	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
1164		1451
1165	Register a callback for execution when the client sends an (synchronous)	1452	Register a callback for execution when the client sends an (synchronous)
1166	extcmd packet. Ext commands will be processed in the order they are	1453	extcmd packet. Ext commands will be processed in the order they are
1167	received by the server, like other user commands. The first argument is	1454	received by the server, like other user commands. The first argument is
1168	the logged-in player. Ext commands can only be processed after a player	1455	the logged-in player. Ext commands can only be processed after a player
1169	has logged in successfully.	1456	has logged in successfully.
1170		1457
1171	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
1172	called.
1173		1459
		1460	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
		1461
		1462	Same as C<cf::register_extcmd>, but instead of returning values, the
		1463	callback needs to clal the C<$reply> function.
		1464
1174	=item cf::register_exticmd $name => \&callback($ns,$packet);	1465	=item cf::register_exticmd $name => \&callback($ns,@args)
1175		1466
1176	Register a callback for execution when the client sends an (asynchronous)	1467	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	1468	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	1469	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	1470	is a client socket. Exti commands can be received anytime, even before
1180	log-in.	1471	log-in.
1181		1472
1182	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1183	called.
1184		1474
1185	=cut	1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1186		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$reply> function.
		1479
		1480	=cut
		1481
1187	sub register_extcmd {	1482	sub register_extcmd($$) {
1188	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1189		1484
1190	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
1191	}	1486	}
1192		1487
1193	sub register_exticmd {	1488	sub register_async_extcmd($$) {
1194	my ($name, $cb) = @_;	1489	my ($name, $cb) = @_;
1195		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
1196	$EXTICMD{$name} = $cb;	1497	$EXTICMD{$name} = $cb;
1197	}	1498	}
1198		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
1199	cf::player->attach (	1508	cf::player->attach (
1200	on_command => sub {	1509	on_unknown_command => sub {
1201	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
1202		1511
1203	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
1204	or return;	1513	or return;
1205		1514
…		…
1213	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
1214		1523
1215	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1216		1525
1217	if (ref $msg) {	1526	if (ref $msg) {
1218	my ($type, $reply, @payload) =	1527	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		1528
1223	my @reply;
1224
1225	if (my $cb = $EXTCMD{$type}) {	1529	if (my $cb = $EXTACMD{$type}) {
		1530	$cb->(
		1531	$pl,
		1532	sub {
		1533	$pl->ext_msg ("reply-$reply", @_)
		1534	if $reply;
		1535	},
		1536	@payload
		1537	);
		1538	} else {
		1539	my @reply;
		1540
		1541	if (my $cb = $EXTCMD{$type}) {
1226	@reply = $cb->($pl, @payload);	1542	@reply = $cb->($pl, @payload);
		1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
1227	}	1547	}
1228		1548
1229	$pl->ext_reply ($reply, @reply)
1230	if $reply;
1231
1232	} else {	1549	} else {
1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1234	}	1551	}
1235		1552
1236	cf::override;	1553	cf::override;
1237	},	1554	},
1238	);	1555	);
1239		1556
		1557	# "readahead" all extensions
		1558	sub cache_extensions {
		1559	my $grp = IO::AIO::aio_group;
		1560
		1561	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1562	for (grep /\.ext$/, @{$_[0]}) {
		1563	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1564	}
		1565	};
		1566
		1567	$grp
		1568	}
		1569
		1570	sub _ext_cfg_reg($$$$) {
		1571	my ($rvar, $varname, $cfgname, $default) = @_;
		1572
		1573	$cfgname = lc $varname
		1574	unless length $cfgname;
		1575
		1576	$EXT_CFG{$cfgname} = [$rvar, $default];
		1577
		1578	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1579	}
		1580
1240	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
1241	cf::sync_job {	1586	cf::sync_job {
1242	my %todo;	1587	my %todo;
1243		1588
1244	for my $path (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
1245	next unless -r $path;	1590	next unless -r $path;
…		…
1263		1608
1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1266		1611
1267	$ext{source} =	1612	$ext{source} =
1268	"package $pkg; use strict; use utf8;\n"	1613	"package $pkg; use common::sense;\n"
1269	. "#line 1 \"$path\"\n{\n"	1614	. "#line 1 \"$path\"\n{\n"
1270	. $source	1615	. $source
1271	. "\n};\n1";	1616	. "\n};\n1";
1272		1617
1273	$todo{$base} = \%ext;	1618	$todo{$base} = \%ext;
1274	}	1619	}
1275		1620
		1621	my $pass = 0;
1276	my %done;	1622	my %done;
1277	while (%todo) {	1623	while (%todo) {
1278	my $progress;	1624	my $progress;
1279		1625
		1626	++$pass;
		1627
		1628	ext:
1280	while (my ($k, $v) = each %todo) {	1629	while (my ($k, $v) = each %todo) {
1281	for (split /,\s*/, $v->{meta}{depends}) {	1630	for (split /,\s*/, $v->{meta}{depends}) {
1282	goto skip	1631	next ext
1283	unless exists $done{$_};	1632	unless exists $done{$_};
1284	}	1633	}
1285		1634
1286	warn "... loading '$k' into '$v->{pkg}'\n";	1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1287		1636
1288	unless (eval $v->{source}) {	1637	my $source = $v->{source};
		1638
		1639	# support "CONF varname :confname = default" pseudo-statements
		1640	$source =~ s{
		1641	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1642	}{
		1643	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1644	}gmxe;
		1645
		1646	my $active = eval $source;
		1647
		1648	if (length $@) {
1289	my $msg = $@ ? "$v->{path}: $@\n"	1649	error "$v->{path}: $@\n";
1290	: "$v->{base}: extension inactive.\n";
1291		1650
		1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1292	if (exists $v->{meta}{mandatory}) {	1652	if exists $v->{meta}{mandatory};
1293	warn $msg;	1653
1294	warn "mandatory extension failed to load, exiting.\n";	1654	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1295	exit 1;	1655	delete $todo{$k};
1296	}	1656	} else {
1297		1657	$done{$k} = delete $todo{$k};
1298	warn $msg;	1658	push @EXTS, $v->{pkg};
		1659	$progress = 1;
		1660
		1661	info "$v->{base}: extension inactive.\n"
		1662	unless $active;
1299	}	1663	}
1300
1301	$done{$k} = delete $todo{$k};
1302	push @EXTS, $v->{pkg};
1303	$progress = 1;
1304	}	1664	}
1305		1665
1306	skip:	1666	unless ($progress) {
1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1308	unless $progress;	1668
		1669	while (my ($k, $v) = each %todo) {
		1670	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1671	if exists $v->{meta}{mandatory};
		1672	}
		1673
		1674	last;
		1675	}
1309	}	1676	}
1310	};	1677	};
1311	}	1678	}
1312		1679
1313	#############################################################################	1680	#############################################################################
1314		1681
1315	=back	1682	=back
1316		1683
1317	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
1318		1685
1319	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
1320		1687
1321	=cut	1688	=cut
1322		1689
1323	package cf::player;	1690	package cf::player;
1324		1691
…		…
1367		1734
1368	sub exists($) {	1735	sub exists($) {
1369	my ($login) = @_;	1736	my ($login) = @_;
1370		1737
1371	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
1372	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1373	}	1740	}
1374		1741
1375	sub find($) {	1742	sub find($) {
1376	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1377	my $login = $_[0];	1744	my $login = $_[0];
…		…
1389	my $f = new_from_file cf::object::thawer path $login	1756	my $f = new_from_file cf::object::thawer path $login
1390	or return;	1757	or return;
1391		1758
1392	my $pl = cf::player::load_pl $f	1759	my $pl = cf::player::load_pl $f
1393	or return;	1760	or return;
		1761
1394	local $cf::PLAYER_LOADING{$login} = $pl;	1762	local $cf::PLAYER_LOADING{$login} = $pl;
1395	$f->resolve_delayed_derefs;	1763	$f->resolve_delayed_derefs;
1396	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1397	}	1765	}
1398	}	1766	}
1399	}	1767	}
1400		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($pl, $path) = @_;
		1772
		1773	# restore slots saved in save, below
		1774	my $slots = delete $pl->{_slots};
		1775
		1776	$pl->ob->current_weapon ($slots->[0]);
		1777	$pl->combat_ob ($slots->[1]);
		1778	$pl->ranged_ob ($slots->[2]);
		1779	},
		1780	);
		1781
1401	sub save($) {	1782	sub save($) {
1402	my ($pl) = @_;	1783	my ($pl) = @_;
1403		1784
1404	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
1405		1786
…		…
1408		1789
1409	return if $pl->{deny_save};	1790	return if $pl->{deny_save};
1410		1791
1411	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1412	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
		1794
		1795	cf::get_slot 0.01;
		1796
		1797	# save slots, to be restored later
		1798	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1413		1799
1414	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1415	cf::cede_to_tick;	1801	cf::cede_to_tick;
1416	}	1802	}
1417		1803
…		…
1449	my ($pl) = @_;	1835	my ($pl) = @_;
1450		1836
1451	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1452		1838
1453	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1454	$pl->password ("*"); # this should lock out the player until we nuked the dir	1840	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1455		1841
1456	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1457	$pl->deactivate;	1843	$pl->deactivate;
		1844
		1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1458	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1459	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1460		1850
1461	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1462	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1463	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1501		1891
1502	for my $login (@$dirs) {	1892	for my $login (@$dirs) {
1503	my $path = path $login;	1893	my $path = path $login;
1504		1894
1505	# a .pst is a dead give-away for a valid player	1895	# a .pst is a dead give-away for a valid player
1506	unless (-e "$path.pst") {	1896	# if no pst file found, open and chekc for blocked users
		1897	if (aio_stat "$path.pst") {
1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1898	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1508	aio_read $fh, 0, 512, my $buf, 0 or next;	1899	aio_read $fh, 0, 512, my $buf, 0 or next;
1509	$buf !~ /^password -------------$/m or next; # official not-valid tag	1900	$buf !~ /^password -------------$/m or next; # official not-valid tag
1510	}	1901	}
1511		1902
…		…
1515		1906
1516	\@logins	1907	\@logins
1517	}	1908	}
1518		1909
1519	=item $player->maps	1910	=item $player->maps
		1911
		1912	=item cf::player::maps $login
1520		1913
1521	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1522	player. May block.	1915	player. May block.
1523		1916
1524	=cut	1917	=cut
…		…
1542	}	1935	}
1543		1936
1544	\@paths	1937	\@paths
1545	}	1938	}
1546		1939
1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1548		1941
1549	Expand crossfire pod fragments into protocol xml.	1942	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	(?:
1558	\ (.*?)\ (?{ $group = $^N })
1559	| < (??{$interior}) >
1560	)
1561	}x;
1562
1563	sub expand_cfpod {
1564	my ($self, $pod) = @_;
1565
1566	my $xml;
1567
1568	while () {
1569	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?=[^<]) )+ )/xgcs) {
1570	$group = $1;
1571
1572	$group =~ s/&/&amp;/g;
1573	$group =~ s/</&lt;/g;
1574
1575	$xml .= $group;
1576	} elsif ($pod =~ m%\G
1577	([BCGHITU])
1578	<
1579	(?:
1580	([^<>]*) (?{ $group = $^N })
1581	| < $interior >
1582	)
1583	>
1584	%gcsx
1585	) {
1586	my ($code, $data) = ($1, $group);
1587
1588	if ($code eq "B") {
1589	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1590	} elsif ($code eq "I") {
1591	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1592	} elsif ($code eq "U") {
1593	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1594	} elsif ($code eq "C") {
1595	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1596	} elsif ($code eq "T") {
1597	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1598	} elsif ($code eq "G") {
1599	my ($male, $female) = split /\|/, $data;
1600	$data = $self->gender ? $female : $male;
1601	$xml .= expand_cfpod ($self, $data);
1602	} elsif ($code eq "H") {
1603	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1604	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1605	"")
1606	[$self->{hintmode}];
1607	} else {
1608	$xml .= "error processing '$code($data)' directive";
1609	}
1610	} else {
1611	if ($pod =~ /\G(.+)/) {
1612	warn "parse error while expanding $pod (at $1)";
1613	}
1614	last;
1615	}
1616	}
1617
1618	for ($xml) {
1619	# create single paragraphs (very hackish)
1620	s/(?<=\S)\n(?=\w)/ /g;
1621
1622	# compress some whitespace
1623	s/\s+\n/\n/g; # ws line-ends
1624	s/\n\n+/\n/g; # double lines
1625	s/^\n+//; # beginning lines
1626	s/\n+$//; # ending lines
1627	}
1628
1629	$xml
1630	}
1631
1632	sub hintmode {
1633	$_[0]{hintmode} = $_[1] if @_ > 1;
1634	$_[0]{hintmode}
1635	}
1636
1637	=item $player->ext_reply ($msgid, @msg)
1638
1639	Sends an ext reply to the player.
1640
1641	=cut
1642
1643	sub ext_reply($$@) {
1644	my ($self, $id, @msg) = @_;
1645
1646	$self->ns->ext_reply ($id, @msg)
1647	}
1648		1943
1649	=item $player->ext_msg ($type, @msg)	1944	=item $player->ext_msg ($type, @msg)
1650		1945
1651	Sends an ext event to the client.	1946	Sends an ext event to the client.
1652		1947
…		…
1672		1967
1673	=cut	1968	=cut
1674		1969
1675	sub find_by_path($) {	1970	sub find_by_path($) {
1676	my ($path) = @_;	1971	my ($path) = @_;
		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
1677		1974
1678	my ($match, $specificity);	1975	my ($match, $specificity);
1679		1976
1680	for my $region (list) {	1977	for my $region (list) {
1681	if ($region->{match} && $path =~ $region->{match}) {	1978	if ($region->{match} && $path =~ $region->{match}) {
…		…
1707	our $MAX_RESET = 3600;	2004	our $MAX_RESET = 3600;
1708	our $DEFAULT_RESET = 3000;	2005	our $DEFAULT_RESET = 3000;
1709		2006
1710	sub generate_random_map {	2007	sub generate_random_map {
1711	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1712	# mit "rum" bekleckern, nicht	2009
		2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2011
1713	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1714	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1715	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1716	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1717	$rmp->{exit_on_final_map},
1718	$rmp->{xsize}, $rmp->{ysize},
1719	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1720	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1721	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1722	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1723	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1724	(cf::region::find $rmp->{region}), $rmp->{custom}
1725	)
1726	}	2013	}
1727		2014
1728	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1729		2016
1730	Register a handler for the map path matching the given regex at the	2017	Register a handler for the map path matching the given regex at the
…		…
1735		2022
1736	sub register {	2023	sub register {
1737	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1738	my $pkg = caller;	2025	my $pkg = caller;
1739		2026
1740	no strict;
1741	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1742		2028
1743	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1744	}	2030	}
1745		2031
1746	# also paths starting with '/'	2032	# also paths starting with '/'
1747	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1748		2034
1749	sub thawer_merge {	2035	sub thawer_merge {
1750	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1751		2037
1752	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
…		…
1757	}	2043	}
1758		2044
1759	sub normalise {	2045	sub normalise {
1760	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1761		2047
1762	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1763		2049
1764	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1765		2051
1766	# map plan:	2052	# map plan:
1767	#	2053	#
…		…
1782	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1783	$path = "$base/$path";	2069	$path = "$base/$path";
1784	}	2070	}
1785		2071
1786	for ($path) {	2072	for ($path) {
1787	redo if s{//}{/};
1788	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1789	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1790	}	2075	}
1791		2076
1792	$path	2077	$path
…		…
1806	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1807	return $self;	2092	return $self;
1808	}	2093	}
1809	}	2094	}
1810		2095
1811	Carp::cluck "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1812	()	2097	()
1813	}	2098	}
1814		2099
		2100	# may re-bless or do other evil things
1815	sub init {	2101	sub init {
1816	my ($self) = @_;	2102	my ($self) = @_;
1817		2103
1818	$self	2104	$self
1819	}	2105	}
…		…
1838		2124
1839	# the temporary/swap location	2125	# the temporary/swap location
1840	sub save_path {	2126	sub save_path {
1841	my ($self) = @_;	2127	my ($self) = @_;
1842		2128
1843	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2129	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1844	"$TMPDIR/$path.map"	2130	"$TMPDIR/$path.map"
1845	}	2131	}
1846		2132
1847	# the unique path, undef == no special unique path	2133	# the unique path, undef == no special unique path
1848	sub uniq_path {	2134	sub uniq_path {
1849	my ($self) = @_;	2135	my ($self) = @_;
1850		2136
1851	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1852	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1853	}
1854
1855	# and all this just because we cannot iterate over
1856	# all maps in C++...
1857	sub change_all_map_light {
1858	my ($change) = @_;
1859
1860	$_->change_map_light ($change)
1861	for grep $_->outdoor, values %cf::MAP;
1862	}	2139	}
1863		2140
1864	sub decay_objects {	2141	sub decay_objects {
1865	my ($self) = @_;	2142	my ($self) = @_;
1866		2143
…		…
1893	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1894		2171
1895	1	2172	1
1896	}	2173	}
1897		2174
		2175	# used to laod the header of an original map
1898	sub load_header_orig {	2176	sub load_header_orig {
1899	my ($self) = @_;	2177	my ($self) = @_;
1900		2178
1901	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1902	}	2180	}
1903		2181
		2182	# used to laod the header of an instantiated map
1904	sub load_header_temp {	2183	sub load_header_temp {
1905	my ($self) = @_;	2184	my ($self) = @_;
1906		2185
1907	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1908	}	2187	}
1909		2188
		2189	# called after loading the header from an instantiated map
1910	sub prepare_temp {	2190	sub prepare_temp {
1911	my ($self) = @_;	2191	my ($self) = @_;
1912		2192
1913	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1914	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1915	# safety	2195	# safety
1916	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1917	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1918	}	2198	}
1919		2199
		2200	# called after loading the header from an original map
1920	sub prepare_orig {	2201	sub prepare_orig {
1921	my ($self) = @_;	2202	my ($self) = @_;
1922		2203
1923	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1924	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1948		2229
1949	sub find;	2230	sub find;
1950	sub find {	2231	sub find {
1951	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1952		2233
		2234	cf::cede_to_tick;
		2235
1953	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1954		2237
1955	cf::lock_wait "map_data:$path";#d#remove	2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1956	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1957		2240
1958	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1959	my $guard1 = cf::lock_acquire "map_find:$path";
1960	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1961
1962	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1963	or return;	2243	or return;
1964		2244
1965	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1966		2246
…		…
1968	or return;	2248	or return;
1969		2249
1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2250	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1971	# doing this can freeze the server in a sync job, obviously	2251	# doing this can freeze the server in a sync job, obviously
1972	#$cf::WAIT_FOR_TICK->wait;	2252	#$cf::WAIT_FOR_TICK->wait;
		2253	undef $guard2;
1973	undef $guard1;	2254	undef $guard1;
1974	undef $guard2;
1975	$map->reset;	2255	$map->reset;
1976	return find $path;	2256	return find $path;
1977	}	2257	}
1978		2258
1979	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1980	}	2260	}
1981	}	2261	}
1982		2262
1983	sub pre_load { }	2263	sub pre_load { }
1984	sub post_load { }	2264	#sub post_load { } # XS
1985		2265
1986	sub load {	2266	sub load {
1987	my ($self) = @_;	2267	my ($self) = @_;
1988		2268
1989	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1992		2272
1993	{	2273	{
1994	my $guard = cf::lock_acquire "map_data:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
1995		2275
1996	return unless $self->valid;	2276	return unless $self->valid;
1997	return unless $self->in_memory == cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
1998
1999	$self->in_memory (cf::MAP_LOADING);
2000		2278
2001	$self->alloc;	2279	$self->alloc;
2002		2280
2003	$self->pre_load;	2281	$self->pre_load;
2004	cf::cede_to_tick;	2282	cf::cede_to_tick;
2005		2283
		2284	if (exists $self->{load_path}) {
2006	my $f = new_from_file cf::object::thawer $self->{load_path};	2285	my $f = new_from_file cf::object::thawer $self->{load_path};
2007	$f->skip_block;	2286	$f->skip_block;
2008	$self->_load_objects ($f)	2287	$self->_load_objects ($f)
2009	or return;	2288	or return;
2010		2289
2011	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
2012	if delete $self->{load_original};	2291	if delete $self->{load_original};
2013		2292
2014	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
2015	utf8::encode $uniq;	2294	utf8::encode $uniq;
2016	unless (aio_stat $uniq) {	2295	unless (aio_stat $uniq) {
2017	if (my $f = new_from_file cf::object::thawer $uniq) {	2296	if (my $f = new_from_file cf::object::thawer $uniq) {
2018	$self->clear_unique_items;	2297	$self->clear_unique_items;
2019	$self->_load_objects ($f);	2298	$self->_load_objects ($f);
2020	$f->resolve_delayed_derefs;	2299	$f->resolve_delayed_derefs;
		2300	}
2021	}	2301	}
2022	}	2302	}
2023	}
2024		2303
2025	$f->resolve_delayed_derefs;	2304	$f->resolve_delayed_derefs;
		2305	} else {
		2306	$self->post_load_original
		2307	if delete $self->{load_original};
		2308	}
		2309
		2310	$self->state (cf::MAP_INACTIVE);
2026		2311
2027	cf::cede_to_tick;	2312	cf::cede_to_tick;
2028	# now do the right thing for maps	2313	# now do the right thing for maps
2029	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
2030	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
…		…
2034	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
2035	$self->decay_objects;	2320	$self->decay_objects;
2036	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
2037	$self->update_buttons;	2322	$self->update_buttons;
2038	cf::cede_to_tick;	2323	cf::cede_to_tick;
2039	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
2040	cf::cede_to_tick;
2041	$self->activate;
2042	}	2325	}
2043		2326
2044	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
2045	$self->last_access ($cf::RUNTIME);	2328	$self->last_access ($cf::RUNTIME);
2046
2047	$self->in_memory (cf::MAP_IN_MEMORY);
2048	}	2329	}
2049		2330
2050	$self->post_load;	2331	$self->post_load;
2051	}
2052		2332
		2333	1
		2334	}
		2335
		2336	# customize the map for a given player, i.e.
		2337	# return the _real_ map. used by e.g. per-player
		2338	# maps to change the path to ~playername/mappath
2053	sub customise_for {	2339	sub customise_for {
2054	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
2055		2341
2056	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
2057	if $self->per_player;	2343	if $self->per_player;
…		…
2060	# if $self->per_party;	2346	# if $self->per_party;
2061		2347
2062	$self	2348	$self
2063	}	2349	}
2064		2350
2065	# find and load all maps in the 3x3 area around a map
2066	sub load_neighbours {
2067	my ($map) = @_;
2068
2069	my @neigh; # diagonal neighbours
2070
2071	for (0 .. 3) {
2072	my $neigh = $map->tile_path ($_)
2073	or next;
2074	$neigh = find $neigh, $map
2075	or next;
2076	$neigh->load;
2077
2078	push @neigh,
2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2081	}
2082
2083	for (grep defined $_->[0], @neigh) {
2084	my ($path, $origin) = @$_;
2085	my $neigh = find $path, $origin
2086	or next;
2087	$neigh->load;
2088	}
2089	}
2090
2091	sub find_sync {	2351	sub find_sync {
2092	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
2093		2353
2094	cf::sync_job { find $path, $origin }	2354	# it's a bug to call this from the main context
		2355	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2356	if $Coro::current == $Coro::main;
		2357
		2358	find $path, $origin
2095	}	2359	}
2096		2360
2097	sub do_load_sync {	2361	sub do_load_sync {
2098	my ($map) = @_;	2362	my ($map) = @_;
2099		2363
		2364	# it's a bug to call this from the main context
2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2101	if $Coro::current == $Coro::main;	2366	if $Coro::current == $Coro::main;
2102		2367
2103	cf::sync_job { $map->load };	2368	$map->load;
2104	}	2369	}
2105		2370
2106	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
2107	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
2108		2373
2109	sub find_async {	2374	sub find_async {
2110	my ($path, $origin, $load) = @_;	2375	my ($path, $origin, $load) = @_;
2111		2376
2112	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
2113		2378
2114	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
2115	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2380	return $map if !$load || $map->linkable;
2116	}	2381	}
2117		2382
2118	$MAP_PREFETCH{$path} |= $load;	2383	$MAP_PREFETCH{$path} |= $load;
2119		2384
2120	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
…		…
2134	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
2135		2400
2136	()	2401	()
2137	}	2402	}
2138		2403
		2404	# common code, used by both ->save and ->swapout
2139	sub save {	2405	sub _save {
2140	my ($self) = @_;	2406	my ($self) = @_;
2141
2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
2143		2407
2144	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
2145		2409
2146	return unless $self->dirty;	2410	return unless $self->dirty;
2147		2411
…		…
2156		2420
2157	cf::async {	2421	cf::async {
2158	$Coro::current->{desc} = "map player save";	2422	$Coro::current->{desc} = "map player save";
2159	$_->contr->save for $self->players;	2423	$_->contr->save for $self->players;
2160	};	2424	};
		2425
		2426	cf::get_slot 0.02;
2161		2427
2162	if ($uniq) {	2428	if ($uniq) {
2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2429	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2164	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2430	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2165	} else {	2431	} else {
2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2432	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2167	}	2433	}
2168	}	2434	}
2169		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
2170	sub swap_out {	2444	sub swap_out {
2171	my ($self) = @_;	2445	my ($self) = @_;
2172		2446
2173	# save first because save cedes
2174	$self->save;
2175
2176	my $lock = cf::lock_acquire "map_data:$self->{path}";	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
2177		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
2178	return if $self->players;	2451	return if $self->players;
2179	return if $self->in_memory != cf::MAP_IN_MEMORY;	2452
		2453	# first deactivate the map and "unlink" it from the core
		2454	$self->deactivate;
		2455	$_->clear_links_to ($self) for values %cf::MAP;
		2456	$self->state (cf::MAP_SWAPPED);
		2457
		2458	# then atomically save
		2459	$self->_save;
		2460
		2461	# then free the map
		2462	$self->clear;
		2463	}
		2464
		2465	sub reset_at {
		2466	my ($self) = @_;
		2467
		2468	# TODO: safety, remove and allow resettable per-player maps
2180	return if $self->{deny_save};	2469	return 1e99 if $self->{deny_reset};
2181		2470
		2471	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2472	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2473
		2474	$time + $to
		2475	}
		2476
		2477	sub should_reset {
		2478	my ($self) = @_;
		2479
		2480	$self->reset_at <= $cf::RUNTIME
		2481	}
		2482
		2483	sub reset {
		2484	my ($self) = @_;
		2485
		2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2487
		2488	return if $self->players;
		2489
		2490	cf::trace "resetting map ", $self->path, "\n";
		2491
2182	$self->in_memory (cf::MAP_SWAPPED);	2492	$self->state (cf::MAP_SWAPPED);
		2493
		2494	# need to save uniques path
		2495	unless ($self->{deny_save}) {
		2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2497
		2498	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2499	if $uniq;
		2500	}
		2501
		2502	delete $cf::MAP{$self->path};
2183		2503
2184	$self->deactivate;	2504	$self->deactivate;
2185	$_->clear_links_to ($self) for values %cf::MAP;	2505	$_->clear_links_to ($self) for values %cf::MAP;
2186	$self->clear;	2506	$self->clear;
2187	}
2188
2189	sub reset_at {
2190	my ($self) = @_;
2191
2192	# TODO: safety, remove and allow resettable per-player maps
2193	return 1e99 if $self->{deny_reset};
2194
2195	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2196	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2197
2198	$time + $to
2199	}
2200
2201	sub should_reset {
2202	my ($self) = @_;
2203
2204	$self->reset_at <= $cf::RUNTIME
2205	}
2206
2207	sub reset {
2208	my ($self) = @_;
2209
2210	my $lock = cf::lock_acquire "map_data:$self->{path}";
2211
2212	return if $self->players;
2213
2214	warn "resetting map ", $self->path;
2215
2216	$self->in_memory (cf::MAP_SWAPPED);
2217
2218	# need to save uniques path
2219	unless ($self->{deny_save}) {
2220	my $uniq = $self->uniq_path; utf8::encode $uniq;
2221
2222	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2223	if $uniq;
2224	}
2225
2226	delete $cf::MAP{$self->path};
2227
2228	$self->deactivate;
2229	$_->clear_links_to ($self) for values %cf::MAP;
2230	$self->clear;
2231		2507
2232	$self->unlink_save;	2508	$self->unlink_save;
2233	$self->destroy;	2509	$self->destroy;
2234	}	2510	}
2235		2511
…		…
2243		2519
2244	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
2245		2521
2246	$self->unlink_save;	2522	$self->unlink_save;
2247		2523
2248	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
2249	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
2250	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
2251	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
2252	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2253		2529
…		…
2302		2578
2303	sub unique_maps() {	2579	sub unique_maps() {
2304	[	2580	[
2305	map {	2581	map {
2306	utf8::decode $_;	2582	utf8::decode $_;
2307	/\.map$/	2583	s/\.map$//; # TODO future compatibility hack
		2584	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2585	? ()
2308	? normalise $_	2586	: normalise $_
2309	: ()
2310	} @{ aio_readdir $UNIQUEDIR or [] }	2587	} @{ aio_readdir $UNIQUEDIR or [] }
2311	]	2588	]
2312	}	2589	}
2313		2590
2314	package cf;	2591	=item cf::map::static_maps
		2592
		2593	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2594	file in the shared directory excluding F</styles> and F</editor>). May
		2595	block.
		2596
		2597	=cut
		2598
		2599	sub static_maps() {
		2600	my @dirs = "";
		2601	my @maps;
		2602
		2603	while (@dirs) {
		2604	my $dir = shift @dirs;
		2605
		2606	next if $dir eq "/styles" || $dir eq "/editor";
		2607
		2608	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2609	or return;
		2610
		2611	for (@$files) {
		2612	s/\.map$// or next;
		2613	utf8::decode $_;
		2614	push @maps, "$dir/$_";
		2615	}
		2616
		2617	push @dirs, map "$dir/$_", @$dirs;
		2618	}
		2619
		2620	\@maps
		2621	}
2315		2622
2316	=back	2623	=back
2317		2624
2318	=head3 cf::object	2625	=head3 cf::object
2319		2626
…		…
2323		2630
2324	=over 4	2631	=over 4
2325		2632
2326	=item $ob->inv_recursive	2633	=item $ob->inv_recursive
2327		2634
2328	Returns the inventory of the object _and_ their inventories, recursively.	2635	Returns the inventory of the object I<and> their inventories, recursively,
		2636	but I<not> the object itself.
2329		2637
2330	=cut	2638	=cut
2331		2639
2332	sub inv_recursive_;	2640	sub inv_recursive_;
2333	sub inv_recursive_ {	2641	sub inv_recursive_ {
…		…
2338	inv_recursive_ inv $_[0]	2646	inv_recursive_ inv $_[0]
2339	}	2647	}
2340		2648
2341	=item $ref = $ob->ref	2649	=item $ref = $ob->ref
2342		2650
2343	creates and returns a persistent reference to an objetc that can be stored as a string.	2651	Creates and returns a persistent reference to an object that can be stored as a string.
2344		2652
2345	=item $ob = cf::object::deref ($refstring)	2653	=item $ob = cf::object::deref ($refstring)
2346		2654
2347	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2655	returns the objetc referenced by refstring. may return undef when it cannot find the object,
2348	even if the object actually exists. May block.	2656	even if the object actually exists. May block.
2349		2657
2350	=cut	2658	=cut
2351		2659
2352	sub deref {	2660	sub deref {
…		…
2380	can be C<undef>. Does the right thing when the player is currently in a	2688	can be C<undef>. Does the right thing when the player is currently in a
2381	dialogue with the given NPC character.	2689	dialogue with the given NPC character.
2382		2690
2383	=cut	2691	=cut
2384		2692
		2693	our $SAY_CHANNEL = {
		2694	id => "say",
		2695	title => "Map",
		2696	reply => "say ",
		2697	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2698	};
		2699
		2700	our $CHAT_CHANNEL = {
		2701	id => "chat",
		2702	title => "Chat",
		2703	reply => "chat ",
		2704	tooltip => "Player chat and shouts, global to the server.",
		2705	};
		2706
2385	# rough implementation of a future "reply" method that works	2707	# rough implementation of a future "reply" method that works
2386	# with dialog boxes.	2708	# with dialog boxes.
2387	#TODO: the first argument must go, split into a $npc->reply_to ( method	2709	#TODO: the first argument must go, split into a $npc->reply_to ( method
2388	sub cf::object::player::reply($$$;$) {	2710	sub cf::object::player::reply($$$;$) {
2389	my ($self, $npc, $msg, $flags) = @_;	2711	my ($self, $npc, $msg, $flags) = @_;
…		…
2400	my $dialog = $pl->{npc_dialog};	2722	my $dialog = $pl->{npc_dialog};
2401	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2723	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2402		2724
2403	} else {	2725	} else {
2404	$msg = $npc->name . " says: $msg" if $npc;	2726	$msg = $npc->name . " says: $msg" if $npc;
2405	$self->message ($msg, $flags);	2727	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2406	}	2728	}
2407	}	2729	}
2408	}	2730	}
2409		2731
2410	=item $object->send_msg ($channel, $msg, $color, [extra...])	2732	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2435		2757
2436	=item $player_object->enter_link	2758	=item $player_object->enter_link
2437		2759
2438	Freezes the player and moves him/her to a special map (C<{link}>).	2760	Freezes the player and moves him/her to a special map (C<{link}>).
2439		2761
2440	The player should be reasonably safe there for short amounts of time. You	2762	The player should be reasonably safe there for short amounts of time (e.g.
2441	I<MUST> call C<leave_link> as soon as possible, though.	2763	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2764	though, as the player cannot control the character while it is on the link
		2765	map.
2442		2766
2443	Will never block.	2767	Will never block.
2444		2768
2445	=item $player_object->leave_link ($map, $x, $y)	2769	=item $player_object->leave_link ($map, $x, $y)
2446		2770
…		…
2466	sub cf::object::player::enter_link {	2790	sub cf::object::player::enter_link {
2467	my ($self) = @_;	2791	my ($self) = @_;
2468		2792
2469	$self->deactivate_recursive;	2793	$self->deactivate_recursive;
2470		2794
		2795	++$self->{_link_recursion};
		2796
2471	return if UNIVERSAL::isa $self->map, "ext::map_link";	2797	return if UNIVERSAL::isa $self->map, "ext::map_link";
2472		2798
2473	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2474	if $self->map && $self->map->{path} ne "{link}";	2800	if $self->map && $self->map->{path} ne "{link}";
2475		2801
2476	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2802	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2477	}	2803	}
2478		2804
2479	sub cf::object::player::leave_link {	2805	sub cf::object::player::leave_link {
2480	my ($self, $map, $x, $y) = @_;	2806	my ($self, $map, $x, $y) = @_;
2481		2807
…		…
2498	($x, $y) = (-1, -1)	2824	($x, $y) = (-1, -1)
2499	unless (defined $x) && (defined $y);	2825	unless (defined $x) && (defined $y);
2500		2826
2501	# use -1 or undef as default coordinates, not 0, 0	2827	# use -1 or undef as default coordinates, not 0, 0
2502	($x, $y) = ($map->enter_x, $map->enter_y)	2828	($x, $y) = ($map->enter_x, $map->enter_y)
2503	if $x <=0 && $y <= 0;	2829	if $x <= 0 && $y <= 0;
2504		2830
2505	$map->load;	2831	$map->load;
2506	$map->load_neighbours;
2507		2832
2508	return unless $self->contr->active;	2833	return unless $self->contr->active;
2509	$self->activate_recursive;
2510		2834
2511	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2512	$self->enter_map ($map, $x, $y);	2836	if ($self->enter_map ($map, $x, $y)) {
2513	}	2837	# entering was successful
		2838	delete $self->{_link_recursion};
		2839	# only activate afterwards, to support waiting in hooks
		2840	$self->activate_recursive;
		2841	}
2514		2842
		2843	}
		2844
2515	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2845	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2516		2846
2517	Moves the player to the given map-path and coordinates by first freezing	2847	Moves the player to the given map-path and coordinates by first freezing
2518	her, loading and preparing them map, calling the provided $check callback	2848	her, loading and preparing them map, calling the provided $check callback
2519	that has to return the map if sucecssful, and then unfreezes the player on	2849	that has to return the map if sucecssful, and then unfreezes the player on
2520	the new (success) or old (failed) map position. In either case, $done will	2850	the new (success) or old (failed) map position. In either case, $done will
2521	be called at the end of this process.	2851	be called at the end of this process.
2522		2852
		2853	Note that $check will be called with a potentially non-loaded map, so if
		2854	it needs a loaded map it has to call C<< ->load >>.
		2855
2523	=cut	2856	=cut
2524		2857
2525	our $GOTOGEN;	2858	our $GOTOGEN;
2526		2859
2527	sub cf::object::player::goto {	2860	sub cf::object::player::goto {
2528	my ($self, $path, $x, $y, $check, $done) = @_;	2861	my ($self, $path, $x, $y, $check, $done) = @_;
		2862
		2863	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2864	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2865	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2866	($path, $x, $y) = @$EMERGENCY_POSITION;
		2867	}
2529		2868
2530	# do generation counting so two concurrent goto's will be executed in-order	2869	# do generation counting so two concurrent goto's will be executed in-order
2531	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2870	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2532		2871
2533	$self->enter_link;	2872	$self->enter_link;
…		…
2553	($path, $x, $y) = (undef, undef, undef);	2892	($path, $x, $y) = (undef, undef, undef);
2554	}	2893	}
2555	}	2894	}
2556		2895
2557	my $map = eval {	2896	my $map = eval {
2558	my $map = defined $path ? cf::map::find $path : undef;	2897	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2559		2898
2560	if ($map) {	2899	if ($map) {
2561	$map = $map->customise_for ($self);	2900	$map = $map->customise_for ($self);
2562	$map = $check->($map) if $check && $map;	2901	$map = $check->($map, $x, $y, $self) if $check && $map;
2563	} else {	2902	} else {
2564	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2903	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2565	}	2904	}
2566		2905
2567	$map	2906	$map
…		…
2575	if ($gen == $self->{_goto_generation}) {	2914	if ($gen == $self->{_goto_generation}) {
2576	delete $self->{_goto_generation};	2915	delete $self->{_goto_generation};
2577	$self->leave_link ($map, $x, $y);	2916	$self->leave_link ($map, $x, $y);
2578	}	2917	}
2579		2918
2580	$done->() if $done;	2919	$done->($self) if $done;
2581	})->prio (1);	2920	})->prio (1);
2582	}	2921	}
2583		2922
2584	=item $player_object->enter_exit ($exit_object)	2923	=item $player_object->enter_exit ($exit_object)
2585		2924
…		…
2605	}	2944	}
2606		2945
2607	sub prepare_random_map {	2946	sub prepare_random_map {
2608	my ($exit) = @_;	2947	my ($exit) = @_;
2609		2948
2610	my $guard = cf::lock_acquire "exit_prepare:$exit";
2611
2612	# all this does is basically replace the /! path by	2949	# all this does is basically replace the /! path by
2613	# a new random map path (?random/...) with a seed	2950	# a new random map path (?random/...) with a seed
2614	# that depends on the exit object	2951	# that depends on the exit object
2615		2952
2616	my $rmp = parse_random_map_params $exit->msg;	2953	my $rmp = parse_random_map_params $exit->msg;
…		…
2618	if ($exit->map) {	2955	if ($exit->map) {
2619	$rmp->{region} = $exit->region->name;	2956	$rmp->{region} = $exit->region->name;
2620	$rmp->{origin_map} = $exit->map->path;	2957	$rmp->{origin_map} = $exit->map->path;
2621	$rmp->{origin_x} = $exit->x;	2958	$rmp->{origin_x} = $exit->x;
2622	$rmp->{origin_y} = $exit->y;	2959	$rmp->{origin_y} = $exit->y;
		2960
		2961	$exit->map->touch;
2623	}	2962	}
2624		2963
2625	$rmp->{random_seed} ||= $exit->random_seed;	2964	$rmp->{random_seed} ||= $exit->random_seed;
2626		2965
2627	my $data = cf::to_json $rmp;	2966	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2628	my $md5 = Digest::MD5::md5_hex $data;	2967	my $md5 = Digest::MD5::md5_hex $data;
2629	my $meta = "$RANDOMDIR/$md5.meta";	2968	my $meta = "$RANDOMDIR/$md5.meta";
2630		2969
2631	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2970	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2632	aio_write $fh, 0, (length $data), $data, 0;	2971	aio_write $fh, 0, (length $data), $data, 0;
2633	undef $fh;	2972	undef $fh;
2634	aio_rename "$meta~", $meta;	2973	aio_rename "$meta~", $meta;
2635		2974
		2975	my $slaying = "?random/$md5";
		2976
		2977	if ($exit->valid) {
2636	$exit->slaying ("?random/$md5");	2978	$exit->slaying ("?random/$md5");
2637	$exit->msg (undef);	2979	$exit->msg (undef);
		2980	}
2638	}	2981	}
2639	}	2982	}
2640		2983
2641	sub cf::object::player::enter_exit {	2984	sub cf::object::player::enter_exit {
2642	my ($self, $exit) = @_;	2985	my ($self, $exit) = @_;
2643		2986
2644	return unless $self->type == cf::PLAYER;	2987	return unless $self->type == cf::PLAYER;
2645		2988
2646	if ($exit->slaying eq "/!") {
2647	#TODO: this should de-fi-ni-te-ly not be a sync-job
2648	# the problem is that $exit might not survive long enough
2649	# so it needs to be done right now, right here
2650	cf::sync_job { prepare_random_map $exit };
2651	}
2652
2653	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2654	my $hp = $exit->stats->hp;
2655	my $sp = $exit->stats->sp;
2656
2657	$self->enter_link;	2989	$self->enter_link;
2658		2990
2659	# if exit is damned, update players death & WoR home-position
2660	$self->contr->savebed ($slaying, $hp, $sp)
2661	if $exit->flag (FLAG_DAMNED);
2662
2663	(async {	2991	(async {
2664	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2992	$Coro::current->{desc} = "enter_exit";
2665		2993
2666	$self->deactivate_recursive; # just to be sure
2667	unless (eval {	2994	unless (eval {
		2995	$self->deactivate_recursive; # just to be sure
		2996
		2997	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2998	my $x = $exit->stats->hp;
		2999	my $y = $exit->stats->sp;
		3000
		3001	# special map handling
		3002	my $slaying = $exit->slaying;
		3003
		3004	# special map handling
		3005	if ($slaying eq "/!") {
		3006	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3007
		3008	prepare_random_map $exit
		3009	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3010
		3011	$map = $exit->slaying;
		3012
		3013	} elsif ($slaying eq '!up') {
		3014	$map = $exit->map->tile_path (cf::TILE_UP);
		3015	$x = $exit->x;
		3016	$y = $exit->y;
		3017
		3018	} elsif ($slaying eq '!down') {
		3019	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3020	$x = $exit->x;
		3021	$y = $exit->y;
		3022	}
		3023
2668	$self->goto ($slaying, $hp, $sp);	3024	$self->goto ($map, $x, $y);
2669		3025
		3026	# if exit is damned, update players death & WoR home-position
		3027	$self->contr->savebed ($map, $x, $y)
		3028	if $exit->flag (cf::FLAG_DAMNED);
		3029
2670	1;	3030	1
2671	}) {	3031	}) {
2672	$self->message ("Something went wrong deep within the crossfire server. "	3032	$self->message ("Something went wrong deep within the deliantra server. "
2673	. "I'll try to bring you back to the map you were before. "	3033	. "I'll try to bring you back to the map you were before. "
2674	. "Please report this to the dungeon master!",	3034	. "Please report this to the dungeon master!",
2675	cf::NDI_UNIQUE | cf::NDI_RED);	3035	cf::NDI_UNIQUE | cf::NDI_RED);
2676		3036
2677	warn "ERROR in enter_exit: $@";	3037	error "ERROR in enter_exit: $@";
2678	$self->leave_link;	3038	$self->leave_link;
2679	}	3039	}
2680	})->prio (1);	3040	})->prio (1);
2681	}	3041	}
2682		3042
…		…
2693		3053
2694	sub cf::client::send_drawinfo {	3054	sub cf::client::send_drawinfo {
2695	my ($self, $text, $flags) = @_;	3055	my ($self, $text, $flags) = @_;
2696		3056
2697	utf8::encode $text;	3057	utf8::encode $text;
2698	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3058	$self->send_packet (sprintf "msg %d 0 %s", $flags || cf::NDI_BLACK, $text);
		3059	}
		3060
		3061	=item $client->send_big_packet ($pkt)
		3062
		3063	Like C<send_packet>, but tries to compress large packets, and fragments
		3064	them as required.
		3065
		3066	=cut
		3067
		3068	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3069
		3070	sub cf::client::send_big_packet {
		3071	my ($self, $pkt) = @_;
		3072
		3073	# try lzf for large packets
		3074	$pkt = "lzf " . Compress::LZF::compress $pkt
		3075	if 1024 <= length $pkt and $self->{can_lzf};
		3076
		3077	# split very large packets
		3078	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3079	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3080	$pkt = "frag";
		3081	}
		3082
		3083	$self->send_packet ($pkt);
2699	}	3084	}
2700		3085
2701	=item $client->send_msg ($channel, $msg, $color, [extra...])	3086	=item $client->send_msg ($channel, $msg, $color, [extra...])
2702		3087
2703	Send a drawinfo or msg packet to the client, formatting the msg for the	3088	Send a msg packet to the client, formatting the msg for the client if
2704	client if neccessary. C<$type> should be a string identifying the type of	3089	necessary. C<$type> should be a string identifying the type of the
2705	the message, with C<log> being the default. If C<$color> is negative, suppress	3090	message, with C<log> being the default. If C<$color> is negative, suppress
2706	the message unless the client supports the msg packet.	3091	the message unless the client supports the msg packet.
2707		3092
2708	=cut	3093	=cut
2709		3094
2710	# non-persistent channels (usually the info channel)	3095	# non-persistent channels (usually the info channel)
2711	our %CHANNEL = (	3096	our %CHANNEL = (
		3097	"c/motd" => {
		3098	id => "infobox",
		3099	title => "MOTD",
		3100	reply => undef,
		3101	tooltip => "The message of the day",
		3102	},
2712	"c/identify" => {	3103	"c/identify" => {
2713	id => "infobox",	3104	id => "infobox",
2714	title => "Identify",	3105	title => "Identify",
2715	reply => undef,	3106	reply => undef,
2716	tooltip => "Items recently identified",	3107	tooltip => "Items recently identified",
…		…
2718	"c/examine" => {	3109	"c/examine" => {
2719	id => "infobox",	3110	id => "infobox",
2720	title => "Examine",	3111	title => "Examine",
2721	reply => undef,	3112	reply => undef,
2722	tooltip => "Signs and other items you examined",	3113	tooltip => "Signs and other items you examined",
		3114	},
		3115	"c/shopinfo" => {
		3116	id => "infobox",
		3117	title => "Shop Info",
		3118	reply => undef,
		3119	tooltip => "What your bargaining skill tells you about the shop",
2723	},	3120	},
2724	"c/book" => {	3121	"c/book" => {
2725	id => "infobox",	3122	id => "infobox",
2726	title => "Book",	3123	title => "Book",
2727	reply => undef,	3124	reply => undef,
…		…
2743	id => "infobox",	3140	id => "infobox",
2744	title => "Body Parts",	3141	title => "Body Parts",
2745	reply => undef,	3142	reply => undef,
2746	tooltip => "Shows which body parts you posess and are available",	3143	tooltip => "Shows which body parts you posess and are available",
2747	},	3144	},
		3145	"c/statistics" => {
		3146	id => "infobox",
		3147	title => "Statistics",
		3148	reply => undef,
		3149	tooltip => "Shows your primary statistics",
		3150	},
		3151	"c/skills" => {
		3152	id => "infobox",
		3153	title => "Skills",
		3154	reply => undef,
		3155	tooltip => "Shows your experience per skill and item power",
		3156	},
		3157	"c/shopitems" => {
		3158	id => "infobox",
		3159	title => "Shop Items",
		3160	reply => undef,
		3161	tooltip => "Shows the items currently for sale in this shop",
		3162	},
		3163	"c/resistances" => {
		3164	id => "infobox",
		3165	title => "Resistances",
		3166	reply => undef,
		3167	tooltip => "Shows your resistances",
		3168	},
		3169	"c/pets" => {
		3170	id => "infobox",
		3171	title => "Pets",
		3172	reply => undef,
		3173	tooltip => "Shows information abotu your pets/a specific pet",
		3174	},
		3175	"c/perceiveself" => {
		3176	id => "infobox",
		3177	title => "Perceive Self",
		3178	reply => undef,
		3179	tooltip => "You gained detailed knowledge about yourself",
		3180	},
2748	"c/uptime" => {	3181	"c/uptime" => {
2749	id => "infobox",	3182	id => "infobox",
2750	title => "Uptime",	3183	title => "Uptime",
2751	reply => undef,	3184	reply => undef,
2752	tooltip => "How long the server has been running since last restart",	3185	tooltip => "How long the server has been running since last restart",
…		…
2755	id => "infobox",	3188	id => "infobox",
2756	title => "Map Info",	3189	title => "Map Info",
2757	reply => undef,	3190	reply => undef,
2758	tooltip => "Information related to the maps",	3191	tooltip => "Information related to the maps",
2759	},	3192	},
		3193	"c/party" => {
		3194	id => "party",
		3195	title => "Party",
		3196	reply => "gsay ",
		3197	tooltip => "Messages and chat related to your party",
		3198	},
		3199	"c/death" => {
		3200	id => "death",
		3201	title => "Death",
		3202	reply => undef,
		3203	tooltip => "Reason for and more info about your most recent death",
		3204	},
		3205	"c/fatal" => {
		3206	id => "fatal",
		3207	title => "Fatal Error",
		3208	reply => undef,
		3209	tooltip => "Reason for the server disconnect",
		3210	},
		3211	"c/say" => $SAY_CHANNEL,
		3212	"c/chat" => $CHAT_CHANNEL,
2760	);	3213	);
2761		3214
2762	sub cf::client::send_msg {	3215	sub cf::client::send_msg {
2763	my ($self, $channel, $msg, $color, @extra) = @_;	3216	my ($self, $channel, $msg, $color, @extra) = @_;
2764		3217
2765	$msg = $self->pl->expand_cfpod ($msg);	3218	$msg = $self->pl->expand_cfpod ($msg)
		3219	unless $color & cf::NDI_VERBATIM;
2766		3220
2767	$color &= cf::NDI_CLIENT_MASK; # just in case...	3221	$color &= cf::NDI_CLIENT_MASK; # just in case...
2768		3222
2769	# check predefined channels, for the benefit of C	3223	# check predefined channels, for the benefit of C
2770	if ($CHANNEL{$channel}) {	3224	if ($CHANNEL{$channel}) {
2771	$channel = $CHANNEL{$channel};	3225	$channel = $CHANNEL{$channel};
2772		3226
2773	$self->ext_msg (channel_info => $channel)	3227	$self->ext_msg (channel_info => $channel);
2774	if $self->can_msg;
2775
2776	$channel = $channel->{id};	3228	$channel = $channel->{id};
2777		3229
2778	} elsif (ref $channel) {	3230	} elsif (ref $channel) {
2779	# send meta info to client, if not yet sent	3231	# send meta info to client, if not yet sent
2780	unless (exists $self->{channel}{$channel->{id}}) {	3232	unless (exists $self->{channel}{$channel->{id}}) {
2781	$self->{channel}{$channel->{id}} = $channel;	3233	$self->{channel}{$channel->{id}} = $channel;
2782	$self->ext_msg (channel_info => $channel)	3234	$self->ext_msg (channel_info => $channel);
2783	if $self->can_msg;
2784	}	3235	}
2785		3236
2786	$channel = $channel->{id};	3237	$channel = $channel->{id};
2787	}	3238	}
2788		3239
2789	return unless @extra || length $msg;	3240	return unless @extra || length $msg;
2790		3241
2791	if ($self->can_msg) {
2792	# default colour, mask it out	3242	# default colour, mask it out
2793	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3243	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2794	if $color & cf::NDI_DEF;	3244	if $color & cf::NDI_DEF;
2795		3245
2796	$self->send_packet ("msg " . $self->{json_coder}->encode (	3246	my $pkt = "msg "
		3247	. $self->{json_coder}->encode (
2797	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3248	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2798	} else {	3249	);
2799	if ($color >= 0) {
2800	# replace some tags by gcfclient-compatible ones
2801	for ($msg) {
2802	1 while
2803	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2804	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2805	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2806	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2807	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2808	}
2809		3250
2810	$color &= cf::NDI_COLOR_MASK;	3251	$self->send_big_packet ($pkt);
2811
2812	utf8::encode $msg;
2813
2814	if (0 && $msg =~ /\[/) {
2815	# COMMAND/INFO
2816	$self->send_packet ("drawextinfo $color 10 8 $msg")
2817	} else {
2818	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2819	$self->send_packet ("drawinfo $color $msg")
2820	}
2821	}
2822	}
2823	}	3252	}
2824		3253
2825	=item $client->ext_msg ($type, @msg)	3254	=item $client->ext_msg ($type, @msg)
2826		3255
2827	Sends an ext event to the client.	3256	Sends an ext event to the client.
…		…
2829	=cut	3258	=cut
2830		3259
2831	sub cf::client::ext_msg($$@) {	3260	sub cf::client::ext_msg($$@) {
2832	my ($self, $type, @msg) = @_;	3261	my ($self, $type, @msg) = @_;
2833		3262
2834	if ($self->extcmd == 2) {
2835	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3263	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2836	} elsif ($self->extcmd == 1) { # TODO: remove
2837	push @msg, msgtype => "event_$type";
2838	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2839	}
2840	}
2841
2842	=item $client->ext_reply ($msgid, @msg)
2843
2844	Sends an ext reply to the client.
2845
2846	=cut
2847
2848	sub cf::client::ext_reply($$@) {
2849	my ($self, $id, @msg) = @_;
2850
2851	if ($self->extcmd == 2) {
2852	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2853	} elsif ($self->extcmd == 1) {
2854	#TODO: version 1, remove
2855	unshift @msg, msgtype => "reply", msgid => $id;
2856	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2857	}
2858	}	3264	}
2859		3265
2860	=item $success = $client->query ($flags, "text", \&cb)	3266	=item $success = $client->query ($flags, "text", \&cb)
2861		3267
2862	Queues a query to the client, calling the given callback with	3268	Queues a query to the client, calling the given callback with
…		…
2917	my ($ns, $buf) = @_;	3323	my ($ns, $buf) = @_;
2918		3324
2919	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3325	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2920		3326
2921	if (ref $msg) {	3327	if (ref $msg) {
2922	my ($type, $reply, @payload) =	3328	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2923	"ARRAY" eq ref $msg
2924	? @$msg
2925	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2926		3329
2927	my @reply;
2928
2929	if (my $cb = $EXTICMD{$type}) {	3330	if (my $cb = $EXTIACMD{$type}) {
		3331	$cb->(
		3332	$ns,
		3333	sub {
		3334	$ns->ext_msg ("reply-$reply", @_)
		3335	if $reply;
		3336	},
		3337	@payload
		3338	);
		3339	} else {
		3340	my @reply;
		3341
		3342	if (my $cb = $EXTICMD{$type}) {
2930	@reply = $cb->($ns, @payload);	3343	@reply = $cb->($ns, @payload);
		3344	}
		3345
		3346	$ns->ext_msg ("reply-$reply", @reply)
		3347	if $reply;
2931	}	3348	}
2932
2933	$ns->ext_reply ($reply, @reply)
2934	if $reply;
2935
2936	} else {	3349	} else {
2937	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3350	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2938	}	3351	}
2939		3352
2940	cf::override;	3353	cf::override;
2941	},	3354	},
2942	);	3355	);
…		…
2962		3375
2963	$coro	3376	$coro
2964	}	3377	}
2965		3378
2966	cf::client->attach (	3379	cf::client->attach (
2967	on_destroy => sub {	3380	on_client_destroy => sub {
2968	my ($ns) = @_;	3381	my ($ns) = @_;
2969		3382
2970	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3383	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2971	},	3384	},
2972	);	3385	);
…		…
2988	our $safe_hole = new Safe::Hole;	3401	our $safe_hole = new Safe::Hole;
2989		3402
2990	$SIG{FPE} = 'IGNORE';	3403	$SIG{FPE} = 'IGNORE';
2991		3404
2992	$safe->permit_only (Opcode::opset qw(	3405	$safe->permit_only (Opcode::opset qw(
2993	:base_core :base_mem :base_orig :base_math	3406	:base_core :base_mem :base_orig :base_math :base_loop
2994	grepstart grepwhile mapstart mapwhile	3407	grepstart grepwhile mapstart mapwhile
2995	sort time	3408	sort time
2996	));	3409	));
2997		3410
2998	# here we export the classes and methods available to script code	3411	# here we export the classes and methods available to script code
…		…
3001		3414
3002	The following functions and methods are available within a safe environment:	3415	The following functions and methods are available within a safe environment:
3003		3416
3004	cf::object	3417	cf::object
3005	contr pay_amount pay_player map x y force_find force_add destroy	3418	contr pay_amount pay_player map x y force_find force_add destroy
3006	insert remove name archname title slaying race decrease_ob_nr	3419	insert remove name archname title slaying race decrease split
		3420	value
3007		3421
3008	cf::object::player	3422	cf::object::player
3009	player	3423	player
3010		3424
3011	cf::player	3425	cf::player
…		…
3016		3430
3017	=cut	3431	=cut
3018		3432
3019	for (	3433	for (
3020	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3434	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3021	insert remove inv name archname title slaying race	3435	insert remove inv nrof name archname title slaying race
3022	decrease_ob_nr destroy)],	3436	decrease split destroy change_exp value msg lore send_msg)],
3023	["cf::object::player" => qw(player)],	3437	["cf::object::player" => qw(player)],
3024	["cf::player" => qw(peaceful)],	3438	["cf::player" => qw(peaceful send_msg)],
3025	["cf::map" => qw(trigger)],	3439	["cf::map" => qw(trigger)],
3026	) {	3440	) {
3027	no strict 'refs';
3028	my ($pkg, @funs) = @$_;	3441	my ($pkg, @funs) = @$_;
3029	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3442	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3030	for @funs;	3443	for @funs;
3031	}	3444	}
3032		3445
…		…
3047		3460
3048	my $qcode = $code;	3461	my $qcode = $code;
3049	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3462	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3050	$qcode =~ s/\n/\\n/g;	3463	$qcode =~ s/\n/\\n/g;
3051		3464
		3465	%vars = (_dummy => 0) unless %vars;
		3466
		3467	my @res;
3052	local $_;	3468	local $_;
3053	local @safe::cf::_safe_eval_args = values %vars;
3054		3469
3055	my $eval =	3470	my $eval =
3056	"do {\n"	3471	"do {\n"
3057	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3472	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3058	. "#line 0 \"{$qcode}\"\n"	3473	. "#line 0 \"{$qcode}\"\n"
3059	. $code	3474	. $code
3060	. "\n}"	3475	. "\n}"
3061	;	3476	;
3062		3477
		3478	if ($CFG{safe_eval}) {
3063	sub_generation_inc;	3479	sub_generation_inc;
		3480	local @safe::cf::_safe_eval_args = values %vars;
3064	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3481	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3065	sub_generation_inc;	3482	sub_generation_inc;
		3483	} else {
		3484	local @cf::_safe_eval_args = values %vars;
		3485	@res = wantarray ? eval eval : scalar eval $eval;
		3486	}
3066		3487
3067	if ($@) {	3488	if ($@) {
3068	warn "$@";	3489	warn "$@",
3069	warn "while executing safe code '$code'\n";	3490	"while executing safe code '$code'\n",
3070	warn "with arguments " . (join " ", %vars) . "\n";	3491	"with arguments " . (join " ", %vars) . "\n";
3071	}	3492	}
3072		3493
3073	wantarray ? @res : $res[0]	3494	wantarray ? @res : $res[0]
3074	}	3495	}
3075		3496
…		…
3089	=cut	3510	=cut
3090		3511
3091	sub register_script_function {	3512	sub register_script_function {
3092	my ($fun, $cb) = @_;	3513	my ($fun, $cb) = @_;
3093		3514
3094	no strict 'refs';	3515	$fun = "safe::$fun" if $CFG{safe_eval};
3095	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3516	*$fun = $safe_hole->wrap ($cb);
3096	}	3517	}
3097		3518
3098	=back	3519	=back
3099		3520
3100	=cut	3521	=cut
3101		3522
3102	#############################################################################	3523	#############################################################################
3103	# the server's init and main functions	3524	# the server's init and main functions
3104		3525
		3526	{
		3527	package cf::face;
		3528
		3529	our %HASH; # hash => idx
		3530	our @DATA; # dynamically-created facedata, only faceste 0 used
		3531	our @FOFS; # file offset, if > 0
		3532	our @SIZE; # size of face, in octets
		3533	our @META; # meta hash of face, if any
		3534	our $DATAFH; # facedata filehandle
		3535
		3536	# internal api, not finalised
		3537	sub set {
		3538	my ($name, $type, $data) = @_;
		3539
		3540	my $idx = cf::face::find $name;
		3541
		3542	if ($idx) {
		3543	delete $HASH{cf::face::get_csum $idx};
		3544	} else {
		3545	$idx = cf::face::alloc $name;
		3546	}
		3547
		3548	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3549
		3550	cf::face::set_type $idx, $type;
		3551	cf::face::set_csum $idx, 0, $hash;
		3552
		3553	# we need to destroy the SV itself, not just modify it, as a running ix
		3554	# might hold a reference to it: "delete" achieves that.
		3555	delete $FOFS[0][$idx];
		3556	delete $DATA[0][$idx];
		3557	$DATA[0][$idx] = $data;
		3558	$SIZE[0][$idx] = length $data;
		3559	delete $META[$idx];
		3560	$HASH{$hash} = $idx;#d#
		3561
		3562	$idx
		3563	}
		3564
		3565	sub _get_data($$$) {
		3566	my ($idx, $set, $cb) = @_;
		3567
		3568	if (defined $DATA[$set][$idx]) {
		3569	$cb->($DATA[$set][$idx]);
		3570	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3571	my $size = $SIZE[$set][$idx];
		3572	my $buf;
		3573	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3574	if ($_[0] == $size) {
		3575	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3576	$cb->($buf);
		3577	} else {
		3578	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3579	}
		3580	};
		3581	} else {
		3582	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3583	}
		3584	}
		3585
		3586	# rather ineffient
		3587	sub cf::face::get_data($;$) {
		3588	my ($idx, $set) = @_;
		3589
		3590	_get_data $idx, $set, Coro::rouse_cb;
		3591	Coro::rouse_wait
		3592	}
		3593
		3594	sub cf::face::ix {
		3595	my ($ns, $set, $idx, $pri) = @_;
		3596
		3597	_get_data $idx, $set, sub {
		3598	$ns->ix_send ($idx, $pri, $_[0]);
		3599	};
		3600	}
		3601	}
		3602
3105	sub load_facedata($) {	3603	sub load_facedata($) {
3106	my ($path) = @_;	3604	my ($path) = @_;
3107		3605
3108	# HACK to clear player env face cache, we need some signal framework
3109	# for this (global event?)
3110	%ext::player_env::MUSIC_FACE_CACHE = ();
3111
3112	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3606	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3113		3607
3114	warn "loading facedata from $path\n";	3608	trace "loading facedata from $path\n";
3115		3609
3116	my $facedata;	3610	my $facedata = decode_storable load_file "$path/faceinfo";
3117	0 < aio_load $path, $facedata
3118	or die "$path: $!";
3119
3120	$facedata = Coro::Storable::thaw $facedata;
3121		3611
3122	$facedata->{version} == 2	3612	$facedata->{version} == 2
3123	or cf::cleanup "$path: version mismatch, cannot proceed.";	3613	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
3124		3614
3125	# patch in the exptable	3615	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
3126	$facedata->{resource}{"res/exp_table"} = {	3616	or cf::cleanup "$path/facedata: $!, cannot proceed.";
3127	type => FT_RSRC,	3617
3128	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3618	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
3129	};	3619
3130	cf::cede_to_tick;	3620	# BEGIN ATOMIC
		3621	# from here on, everything must be atomic - no thread switch allowed
		3622	my $t1 = EV::time;
3131		3623
3132	{	3624	{
3133	my $faces = $facedata->{faceinfo};	3625	my $faces = $facedata->{faceinfo};
3134		3626
3135	while (my ($face, $info) = each %$faces) {	3627	for my $face (sort keys %$faces) {
		3628	my $info = $faces->{$face};
3136	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3629	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3630
3137	cf::face::set_visibility $idx, $info->{visibility};	3631	cf::face::set_visibility $idx, $info->{visibility};
3138	cf::face::set_magicmap $idx, $info->{magicmap};	3632	cf::face::set_magicmap $idx, $info->{magicmap};
3139	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3633	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
3140	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3634	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
3141		3635	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
3142	cf::cede_to_tick;	3636	$cf::face::HASH{$info->{hash64}} = $idx;
		3637	delete $cf::face::META[$idx];
3143	}	3638	}
3144		3639
3145	while (my ($face, $info) = each %$faces) {	3640	while (my ($face, $info) = each %$faces) {
3146	next unless $info->{smooth};	3641	next unless $info->{smooth};
		3642
3147	my $idx = cf::face::find $face	3643	my $idx = cf::face::find $face
3148	or next;	3644	or next;
		3645
3149	if (my $smooth = cf::face::find $info->{smooth}) {	3646	if (my $smooth = cf::face::find $info->{smooth}) {
3150	cf::face::set_smooth $idx, $smooth;	3647	cf::face::set_smooth $idx, $smooth;
3151	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3648	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3152	} else {	3649	} else {
3153	warn "smooth face '$info->{smooth}' not found for face '$face'";	3650	error "smooth face '$info->{smooth}' not found for face '$face'";
3154	}	3651	}
3155
3156	cf::cede_to_tick;
3157	}	3652	}
3158	}	3653	}
3159		3654
3160	{	3655	{
3161	my $anims = $facedata->{animinfo};	3656	my $anims = $facedata->{animinfo};
3162		3657
3163	while (my ($anim, $info) = each %$anims) {	3658	while (my ($anim, $info) = each %$anims) {
3164	cf::anim::set $anim, $info->{frames}, $info->{facings};	3659	cf::anim::set $anim, $info->{frames}, $info->{facings};
3165	cf::cede_to_tick;
3166	}	3660	}
3167		3661
3168	cf::anim::invalidate_all; # d'oh	3662	cf::anim::invalidate_all; # d'oh
3169	}	3663	}
3170		3664
3171	{	3665	{
3172	# TODO: for gcfclient pleasure, we should give resources
3173	# that gcfclient doesn't grok a >10000 face index.
3174	my $res = $facedata->{resource};	3666	my $res = $facedata->{resource};
3175		3667
3176	my $soundconf = delete $res->{"res/sound.conf"};
3177
3178	while (my ($name, $info) = each %$res) {	3668	while (my ($name, $info) = each %$res) {
		3669	if (defined (my $type = $info->{type})) {
		3670	# TODO: different hash - must free and use new index, or cache ixface data queue
3179	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3671	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3180	my $data;
3181		3672
3182	if ($info->{type} & 1) {	3673	cf::face::set_type $idx, $type;
3183	# prepend meta info	3674	cf::face::set_csum $idx, 0, $info->{hash};
3184		3675	$cf::face::SIZE[0][$idx] = $info->{size};
3185	my $meta = $enc->encode ({	3676	$cf::face::FOFS[0][$idx] = $info->{fofs};
3186	name => $name,	3677	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
3187	%{ $info->{meta} || {} },	3678	$cf::face::HASH{$info->{hash}} = $idx;
3188	});
3189
3190	$data = pack "(w/a*)*", $meta, $info->{data};
3191	} else {	3679	} else {
3192	$data = $info->{data};	3680	# $RESOURCE{$name} = $info; # unused
3193	}	3681	}
3194
3195	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3196	cf::face::set_type $idx, $info->{type};
3197
3198	cf::cede_to_tick;
3199	}
3200
3201	if ($soundconf) {
3202	$soundconf = $enc->decode (delete $soundconf->{data});
3203
3204	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3205	my $sound = $soundconf->{compat}[$_]
3206	or next;
3207
3208	my $face = cf::face::find "sound/$sound->[1]";
3209	cf::sound::set $sound->[0] => $face;
3210	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3211	}	3682	}
3212
3213	while (my ($k, $v) = each %{$soundconf->{event}}) {
3214	my $face = cf::face::find "sound/$v";
3215	cf::sound::set $k => $face;
3216	}
3217	}
3218	}	3683	}
		3684
		3685	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3686
		3687	# HACK to clear player env face cache, we need some signal framework
		3688	# for this (global event?)
		3689	%ext::player_env::MUSIC_FACE_CACHE = ();
		3690
		3691	# END ATOMIC
		3692
		3693	cf::debug "facedata atomic update time ", EV::time - $t1;
		3694
		3695	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3696
		3697	aio_close $fh if $fh; # close old facedata
3219		3698
3220	1	3699	1
3221	}	3700	}
3222		3701
3223	register_exticmd fx_want => sub {	3702	register_exticmd fx_want => sub {
…		…
3225		3704
3226	while (my ($k, $v) = each %$want) {	3705	while (my ($k, $v) = each %$want) {
3227	$ns->fx_want ($k, $v);	3706	$ns->fx_want ($k, $v);
3228	}	3707	}
3229	};	3708	};
		3709
		3710	sub load_resource_file($) {
		3711	my $guard = lock_acquire "load_resource_file";
		3712
		3713	my $status = load_resource_file_ $_[0];
		3714	get_slot 0.1, 100;
		3715	cf::arch::commit_load;
		3716
		3717	$status
		3718	}
		3719
		3720	sub reload_exp_table {
		3721	_reload_exp_table;
		3722
		3723	cf::face::set
		3724	"res/exp_table" => FT_RSRC,
		3725	JSON::XS->new->utf8->canonical->encode (
		3726	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3727	);
		3728	}
		3729
		3730	sub reload_materials {
		3731	_reload_materials;
		3732	}
3230		3733
3231	sub reload_regions {	3734	sub reload_regions {
3232	# HACK to clear player env face cache, we need some signal framework	3735	# HACK to clear player env face cache, we need some signal framework
3233	# for this (global event?)	3736	# for this (global event?)
3234	%ext::player_env::MUSIC_FACE_CACHE = ();	3737	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3241	if exists $_->{match};	3744	if exists $_->{match};
3242	}	3745	}
3243	}	3746	}
3244		3747
3245	sub reload_facedata {	3748	sub reload_facedata {
3246	load_facedata "$DATADIR/facedata"	3749	load_facedata $DATADIR
3247	or die "unable to load facedata\n";	3750	or die "unable to load facedata\n";
3248	}	3751	}
3249		3752
3250	sub reload_archetypes {	3753	sub reload_archetypes {
3251	load_resource_file "$DATADIR/archetypes"	3754	load_resource_file "$DATADIR/archetypes"
3252	or die "unable to load archetypes\n";	3755	or die "unable to load archetypes\n";
3253	#d# NEED to laod twice to resolve forward references	3756
3254	# this really needs to be done in an extra post-pass	3757	cf::face::set
3255	# (which needs to be synchronous, so solve it differently)	3758	"res/skill_info" => FT_RSRC,
3256	load_resource_file "$DATADIR/archetypes"	3759	JSON::XS->new->utf8->canonical->encode (
3257	or die "unable to load archetypes\n";	3760	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3761	);
		3762
		3763	cf::face::set
		3764	"res/spell_paths" => FT_RSRC,
		3765	JSON::XS->new->utf8->canonical->encode (
		3766	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3767	);
3258	}	3768	}
3259		3769
3260	sub reload_treasures {	3770	sub reload_treasures {
3261	load_resource_file "$DATADIR/treasures"	3771	load_resource_file "$DATADIR/treasures"
3262	or die "unable to load treasurelists\n";	3772	or die "unable to load treasurelists\n";
3263	}	3773	}
3264		3774
		3775	sub reload_sound {
		3776	trace "loading sound config from $DATADIR/sound\n";
		3777
		3778	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3779
		3780	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3781	my $sound = $soundconf->{compat}[$_]
		3782	or next;
		3783
		3784	my $face = cf::face::find "sound/$sound->[1]";
		3785	cf::sound::set $sound->[0] => $face;
		3786	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3787	}
		3788
		3789	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3790	my $face = cf::face::find "sound/$v";
		3791	cf::sound::set $k => $face;
		3792	}
		3793	}
		3794
3265	sub reload_resources {	3795	sub reload_resources {
3266	warn "reloading resource files...\n";	3796	trace "reloading resource files...\n";
3267		3797
		3798	reload_materials;
		3799	reload_facedata;
		3800	reload_exp_table;
		3801	reload_sound;
		3802	reload_archetypes;
3268	reload_regions;	3803	reload_regions;
3269	reload_facedata;
3270	#reload_archetypes;#d#
3271	reload_archetypes;
3272	reload_treasures;	3804	reload_treasures;
3273		3805
3274	warn "finished reloading resource files\n";	3806	trace "finished reloading resource files\n";
3275	}
3276
3277	sub init {
3278	reload_resources;
3279	}	3807	}
3280		3808
3281	sub reload_config {	3809	sub reload_config {
3282	open my $fh, "<:utf8", "$CONFDIR/config"	3810	trace "reloading config file...\n";
3283	or return;
3284		3811
3285	local $/;	3812	my $config = load_file "$CONFDIR/config";
3286	*CFG = YAML::Syck::Load <$fh>;	3813	utf8::decode $config;
		3814	*CFG = decode_yaml $config;
3287		3815
3288	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3816	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3289		3817
3290	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3818	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3291	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3819	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3292		3820
3293	if (exists $CFG{mlockall}) {	3821	if (exists $CFG{mlockall}) {
…		…
3297	};	3825	};
3298	warn $@ if $@;	3826	warn $@ if $@;
3299	}	3827	}
3300	}	3828	}
3301		3829
		3830	sub pidfile() {
		3831	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3832	or die "$PIDFILE: $!";
		3833	flock $fh, &Fcntl::LOCK_EX
		3834	or die "$PIDFILE: flock: $!";
		3835	$fh
		3836	}
		3837
		3838	# make sure only one server instance is running at any one time
		3839	sub atomic {
		3840	my $fh = pidfile;
		3841
		3842	my $pid = <$fh>;
		3843	kill 9, $pid if $pid > 0;
		3844
		3845	seek $fh, 0, 0;
		3846	print $fh $$;
		3847	}
		3848
		3849	sub main_loop {
		3850	trace "EV::loop starting\n";
		3851	if (1) {
		3852	EV::loop;
		3853	}
		3854	trace "EV::loop returned\n";
		3855	goto &main_loop unless $REALLY_UNLOOP;
		3856	}
		3857
3302	sub main {	3858	sub main {
		3859	cf::init_globals; # initialise logging
		3860
		3861	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3862	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3863	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3864	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3865
		3866	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3867
3303	# we must not ever block the main coroutine	3868	# we must not ever block the main coroutine
3304	local $Coro::idle = sub {	3869	$Coro::idle = sub {
3305	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3870	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3306	(async {	3871	(async {
3307	$Coro::current->{desc} = "IDLE BUG HANDLER";	3872	$Coro::current->{desc} = "IDLE BUG HANDLER";
3308	Event::one_event;	3873	EV::loop EV::LOOP_ONESHOT;
3309	})->prio (Coro::PRIO_MAX);	3874	})->prio (Coro::PRIO_MAX);
3310	};	3875	};
3311		3876
		3877	evthread_start IO::AIO::poll_fileno;
		3878
		3879	cf::sync_job {
		3880	cf::incloader::init ();
		3881
		3882	db_init;
		3883
		3884	cf::init_anim;
		3885	cf::init_attackmess;
		3886	cf::init_dynamic;
		3887
		3888	cf::load_settings;
		3889
		3890	reload_resources;
3312	reload_config;	3891	reload_config;
3313	db_init;	3892
		3893	cf::init_uuid;
		3894	cf::init_signals;
		3895	cf::init_skills;
		3896
		3897	cf::init_beforeplay;
		3898
		3899	atomic;
		3900
3314	load_extensions;	3901	load_extensions;
3315		3902
3316	$TICK_WATCHER->start;	3903	utime time, time, $RUNTIMEFILE;
3317	Event::loop;	3904
		3905	# no (long-running) fork's whatsoever before this point(!)
		3906	use POSIX ();
		3907	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3908
		3909	cf::_post_init 0;
		3910	};
		3911
		3912	cf::object::thawer::errors_are_fatal 0;
		3913	info "parse errors in files are no longer fatal from this point on.\n";
		3914
		3915	AE::postpone {
		3916	undef &main; # free gobs of memory :)
		3917	};
		3918
		3919	goto &main_loop;
3318	}	3920	}
3319		3921
3320	#############################################################################	3922	#############################################################################
3321	# initialisation and cleanup	3923	# initialisation and cleanup
3322		3924
3323	# install some emergency cleanup handlers	3925	# install some emergency cleanup handlers
3324	BEGIN {	3926	BEGIN {
		3927	our %SIGWATCHER = ();
3325	for my $signal (qw(INT HUP TERM)) {	3928	for my $signal (qw(INT HUP TERM)) {
3326	Event->signal (	3929	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3327	reentrant => 0,
3328	data => WF_AUTOCANCEL,
3329	signal => $signal,
3330	prio => 0,
3331	cb => sub {
3332	cf::cleanup "SIG$signal";	3930	cf::cleanup "SIG$signal";
3333	},
3334	);	3931	};
3335	}	3932	}
3336	}	3933	}
3337		3934
3338	sub write_runtime {	3935	sub write_runtime_sync {
3339	my $runtime = "$LOCALDIR/runtime";	3936	my $t0 = AE::time;
3340		3937
3341	# first touch the runtime file to show we are still running:	3938	# first touch the runtime file to show we are still running:
3342	# the fsync below can take a very very long time.	3939	# the fsync below can take a very very long time.
3343		3940
3344	IO::AIO::aio_utime $runtime, undef, undef;	3941	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3345		3942
3346	my $guard = cf::lock_acquire "write_runtime";	3943	my $guard = cf::lock_acquire "write_runtime";
3347		3944
3348	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3945	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3349	or return;	3946	or return;
3350		3947
3351	my $value = $cf::RUNTIME + 90 + 10;	3948	my $value = $cf::RUNTIME + 90 + 10;
3352	# 10 is the runtime save interval, for a monotonic clock	3949	# 10 is the runtime save interval, for a monotonic clock
3353	# 60 allows for the watchdog to kill the server.	3950	# 60 allows for the watchdog to kill the server.
…		…
3363	aio_utime $fh, undef, undef;	3960	aio_utime $fh, undef, undef;
3364		3961
3365	close $fh	3962	close $fh
3366	or return;	3963	or return;
3367		3964
3368	aio_rename "$runtime~", $runtime	3965	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3369	and return;	3966	and return;
3370		3967
3371	warn "runtime file written.\n";	3968	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3372		3969
3373	1	3970	1
		3971	}
		3972
		3973	our $uuid_lock;
		3974	our $uuid_skip;
		3975
		3976	sub write_uuid_sync($) {
		3977	$uuid_skip ||= $_[0];
		3978
		3979	return if $uuid_lock;
		3980	local $uuid_lock = 1;
		3981
		3982	my $uuid = "$LOCALDIR/uuid";
		3983
		3984	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3985	or return;
		3986
		3987	my $value = uuid_seq uuid_cur;
		3988
		3989	unless ($value) {
		3990	info "cowardly refusing to write zero uuid value!\n";
		3991	return;
		3992	}
		3993
		3994	my $value = uuid_str $value + $uuid_skip;
		3995	$uuid_skip = 0;
		3996
		3997	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3998	and return;
		3999
		4000	# always fsync - this file is important
		4001	aio_fsync $fh
		4002	and return;
		4003
		4004	close $fh
		4005	or return;
		4006
		4007	aio_rename "$uuid~", $uuid
		4008	and return;
		4009
		4010	trace "uuid file written ($value).\n";
		4011
		4012	1
		4013
		4014	}
		4015
		4016	sub write_uuid($$) {
		4017	my ($skip, $sync) = @_;
		4018
		4019	$sync ? write_uuid_sync $skip
		4020	: async { write_uuid_sync $skip };
3374	}	4021	}
3375		4022
3376	sub emergency_save() {	4023	sub emergency_save() {
3377	my $freeze_guard = cf::freeze_mainloop;	4024	my $freeze_guard = cf::freeze_mainloop;
3378		4025
3379	warn "enter emergency perl save\n";	4026	info "emergency_perl_save: enter\n";
		4027
		4028	# this is a trade-off: we want to be very quick here, so
		4029	# save all maps without fsync, and later call a global sync
		4030	# (which in turn might be very very slow)
		4031	local $USE_FSYNC = 0;
3380		4032
3381	cf::sync_job {	4033	cf::sync_job {
		4034	cf::write_runtime_sync; # external watchdog should not bark
		4035
3382	# use a peculiar iteration method to avoid tripping on perl	4036	# use a peculiar iteration method to avoid tripping on perl
3383	# refcount bugs in for. also avoids problems with players	4037	# refcount bugs in for. also avoids problems with players
3384	# and maps saved/destroyed asynchronously.	4038	# and maps saved/destroyed asynchronously.
3385	warn "begin emergency player save\n";	4039	info "emergency_perl_save: begin player save\n";
3386	for my $login (keys %cf::PLAYER) {	4040	for my $login (keys %cf::PLAYER) {
3387	my $pl = $cf::PLAYER{$login} or next;	4041	my $pl = $cf::PLAYER{$login} or next;
3388	$pl->valid or next;	4042	$pl->valid or next;
3389	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	4043	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3390	$pl->save;	4044	$pl->save;
3391	}	4045	}
3392	warn "end emergency player save\n";	4046	info "emergency_perl_save: end player save\n";
3393		4047
3394	warn "begin emergency map save\n";	4048	cf::write_runtime_sync; # external watchdog should not bark
		4049
		4050	info "emergency_perl_save: begin map save\n";
3395	for my $path (keys %cf::MAP) {	4051	for my $path (keys %cf::MAP) {
3396	my $map = $cf::MAP{$path} or next;	4052	my $map = $cf::MAP{$path} or next;
3397	$map->valid or next;	4053	$map->valid or next;
3398	$map->save;	4054	$map->save;
3399	}	4055	}
3400	warn "end emergency map save\n";	4056	info "emergency_perl_save: end map save\n";
3401		4057
3402	warn "begin emergency database checkpoint\n";	4058	cf::write_runtime_sync; # external watchdog should not bark
		4059
		4060	info "emergency_perl_save: begin database checkpoint\n";
3403	BDB::db_env_txn_checkpoint $DB_ENV;	4061	BDB::db_env_txn_checkpoint $DB_ENV;
3404	warn "end emergency database checkpoint\n";	4062	info "emergency_perl_save: end database checkpoint\n";
		4063
		4064	info "emergency_perl_save: begin write uuid\n";
		4065	write_uuid_sync 1;
		4066	info "emergency_perl_save: end write uuid\n";
		4067
		4068	cf::write_runtime_sync; # external watchdog should not bark
		4069
		4070	trace "emergency_perl_save: syncing database to disk";
		4071	BDB::db_env_txn_checkpoint $DB_ENV;
		4072
		4073	info "emergency_perl_save: starting sync\n";
		4074	IO::AIO::aio_sync sub {
		4075	info "emergency_perl_save: finished sync\n";
		4076	};
		4077
		4078	cf::write_runtime_sync; # external watchdog should not bark
		4079
		4080	trace "emergency_perl_save: flushing outstanding aio requests";
		4081	while (IO::AIO::nreqs || BDB::nreqs) {
		4082	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4083	}
		4084
		4085	cf::write_runtime_sync; # external watchdog should not bark
3405	};	4086	};
3406		4087
3407	warn "leave emergency perl save\n";	4088	info "emergency_perl_save: leave\n";
3408	}	4089	}
3409		4090
3410	sub post_cleanup {	4091	sub post_cleanup {
3411	my ($make_core) = @_;	4092	my ($make_core) = @_;
3412		4093
		4094	IO::AIO::flush;
		4095
3413	warn Carp::longmess "post_cleanup backtrace"	4096	error Carp::longmess "post_cleanup backtrace"
3414	if $make_core;	4097	if $make_core;
		4098
		4099	my $fh = pidfile;
		4100	unlink $PIDFILE if <$fh> == $$;
		4101	}
		4102
		4103	# a safer delete_package, copied from Symbol
		4104	sub clear_package($) {
		4105	my $pkg = shift;
		4106
		4107	# expand to full symbol table name if needed
		4108	unless ($pkg =~ /^main::.*::$/) {
		4109	$pkg = "main$pkg" if $pkg =~ /^::/;
		4110	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4111	$pkg .= '::' unless $pkg =~ /::$/;
		4112	}
		4113
		4114	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4115	my $stem_symtab = *{$stem}{HASH};
		4116
		4117	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4118	or return;
		4119
		4120	# clear all symbols
		4121	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4122	for my $name (keys %$leaf_symtab) {
		4123	_gv_clear *{"$pkg$name"};
		4124	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4125	}
3415	}	4126	}
3416		4127
3417	sub do_reload_perl() {	4128	sub do_reload_perl() {
3418	# can/must only be called in main	4129	# can/must only be called in main
3419	if ($Coro::current != $Coro::main) {	4130	unless (in_main) {
3420	warn "can only reload from main coroutine";	4131	error "can only reload from main coroutine";
3421	return;	4132	return;
3422	}	4133	}
3423		4134
3424	warn "reloading...";	4135	return if $RELOAD++;
3425		4136
3426	warn "entering sync_job";	4137	my $t1 = AE::time;
3427		4138
		4139	while ($RELOAD) {
		4140	cf::get_slot 0.1, -1, "reload_perl";
		4141	info "perl_reload: reloading...";
		4142
		4143	trace "perl_reload: entering sync_job";
		4144
3428	cf::sync_job {	4145	cf::sync_job {
3429	cf::write_runtime; # external watchdog should not bark
3430	cf::emergency_save;	4146	#cf::emergency_save;
3431	cf::write_runtime; # external watchdog should not bark
3432		4147
3433	warn "syncing database to disk";
3434	BDB::db_env_txn_checkpoint $DB_ENV;
3435
3436	# if anything goes wrong in here, we should simply crash as we already saved
3437
3438	warn "cancelling all WF_AUTOCANCEL watchers";
3439	for (Event::all_watchers) {
3440	$_->cancel if $_->data & WF_AUTOCANCEL;
3441	}
3442
3443	warn "flushing outstanding aio requests";
3444	for (;;) {
3445	BDB::flush;
3446	IO::AIO::flush;
3447	Coro::cede_notself;
3448	last unless IO::AIO::nreqs || BDB::nreqs;
3449	warn "iterate...";
3450	}
3451
3452	++$RELOAD;
3453
3454	warn "cancelling all extension coros";	4148	trace "perl_reload: cancelling all extension coros";
3455	$_->cancel for values %EXT_CORO;	4149	$_->cancel for values %EXT_CORO;
3456	%EXT_CORO = ();	4150	%EXT_CORO = ();
3457		4151
3458	warn "removing commands";	4152	trace "perl_reload: removing commands";
3459	%COMMAND = ();	4153	%COMMAND = ();
3460		4154
3461	warn "removing ext/exti commands";	4155	trace "perl_reload: removing ext/exti commands";
3462	%EXTCMD = ();	4156	%EXTCMD = ();
3463	%EXTICMD = ();	4157	%EXTICMD = ();
3464		4158
3465	warn "unloading/nuking all extensions";	4159	trace "perl_reload: unloading/nuking all extensions";
3466	for my $pkg (@EXTS) {	4160	for my $pkg (@EXTS) {
3467	warn "... unloading $pkg";	4161	trace "... unloading $pkg";
3468		4162
3469	if (my $cb = $pkg->can ("unload")) {	4163	if (my $cb = $pkg->can ("unload")) {
3470	eval {	4164	eval {
3471	$cb->($pkg);	4165	$cb->($pkg);
3472	1	4166	1
3473	} or warn "$pkg unloaded, but with errors: $@";	4167	} or error "$pkg unloaded, but with errors: $@";
		4168	}
		4169
		4170	trace "... clearing $pkg";
		4171	clear_package $pkg;
3474	}	4172	}
3475		4173
3476	warn "... nuking $pkg";
3477	Symbol::delete_package $pkg;
3478	}
3479
3480	warn "unloading all perl modules loaded from $LIBDIR";	4174	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3481	while (my ($k, $v) = each %INC) {	4175	while (my ($k, $v) = each %INC) {
3482	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4176	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3483		4177
3484	warn "... unloading $k";	4178	trace "... unloading $k";
3485	delete $INC{$k};	4179	delete $INC{$k};
3486		4180
3487	$k =~ s/\.pm$//;	4181	$k =~ s/\.pm$//;
3488	$k =~ s/\//::/g;	4182	$k =~ s/\//::/g;
3489		4183
3490	if (my $cb = $k->can ("unload_module")) {	4184	if (my $cb = $k->can ("unload_module")) {
3491	$cb->();	4185	$cb->();
		4186	}
		4187
		4188	clear_package $k;
3492	}	4189	}
3493		4190
3494	Symbol::delete_package $k;
3495	}
3496
3497	warn "getting rid of safe::, as good as possible";	4191	trace "perl_reload: getting rid of safe::, as good as possible";
3498	Symbol::delete_package "safe::$_"	4192	clear_package "safe::$_"
3499	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4193	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3500		4194
3501	warn "unloading cf.pm \"a bit\"";	4195	trace "perl_reload: unloading cf.pm \"a bit\"";
3502	delete $INC{"cf.pm"};	4196	delete $INC{"cf.pm"};
3503	delete $INC{"cf/pod.pm"};	4197	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3504		4198
3505	# don't, removes xs symbols, too,	4199	# don't, removes xs symbols, too,
3506	# and global variables created in xs	4200	# and global variables created in xs
3507	#Symbol::delete_package __PACKAGE__;	4201	#clear_package __PACKAGE__;
3508		4202
3509	warn "unload completed, starting to reload now";	4203	info "perl_reload: unload completed, starting to reload now";
3510		4204
3511	warn "reloading cf.pm";	4205	trace "perl_reload: reloading cf.pm";
3512	require cf;	4206	require cf;
3513	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4207	cf::_connect_to_perl_1;
3514		4208
3515	warn "loading config and database again";	4209	trace "perl_reload: loading config and database again";
3516	cf::reload_config;	4210	cf::reload_config;
3517		4211
3518	warn "loading extensions";	4212	trace "perl_reload: loading extensions";
3519	cf::load_extensions;	4213	cf::load_extensions;
3520		4214
		4215	if ($REATTACH_ON_RELOAD) {
3521	warn "reattaching attachments to objects/players";	4216	trace "perl_reload: reattaching attachments to objects/players";
3522	_global_reattach; # objects, sockets	4217	_global_reattach; # objects, sockets
3523	warn "reattaching attachments to maps";	4218	trace "perl_reload: reattaching attachments to maps";
3524	reattach $_ for values %MAP;	4219	reattach $_ for values %MAP;
3525	warn "reattaching attachments to players";	4220	trace "perl_reload: reattaching attachments to players";
3526	reattach $_ for values %PLAYER;	4221	reattach $_ for values %PLAYER;
		4222	}
3527		4223
3528	warn "leaving sync_job";	4224	cf::_post_init 1;
3529		4225
		4226	trace "perl_reload: leaving sync_job";
		4227
3530	1	4228	1
3531	} or do {	4229	} or do {
3532	warn $@;	4230	error $@;
3533	warn "error while reloading, exiting.";	4231	cf::cleanup "perl_reload: error, exiting.";
3534	exit 1;	4232	};
		4233
		4234	--$RELOAD;
3535	};	4235	}
3536		4236
3537	warn "reloaded";	4237	$t1 = AE::time - $t1;
		4238	info "perl_reload: completed in ${t1}s\n";
3538	};	4239	};
3539		4240
3540	our $RELOAD_WATCHER; # used only during reload	4241	our $RELOAD_WATCHER; # used only during reload
3541		4242
3542	sub reload_perl() {	4243	sub reload_perl() {
3543	# doing reload synchronously and two reloads happen back-to-back,	4244	# doing reload synchronously and two reloads happen back-to-back,
3544	# coro crashes during coro_state_free->destroy here.	4245	# coro crashes during coro_state_free->destroy here.
3545		4246
3546	$RELOAD_WATCHER ||= Event->timer (	4247	$RELOAD_WATCHER ||= cf::async {
3547	reentrant => 0,	4248	Coro::AIO::aio_wait cache_extensions;
3548	after => 0,	4249
3549	data => WF_AUTOCANCEL,	4250	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3550	cb => sub {
3551	do_reload_perl;	4251	do_reload_perl;
3552	undef $RELOAD_WATCHER;	4252	undef $RELOAD_WATCHER;
3553	},	4253	};
3554	);	4254	};
3555	}	4255	}
3556		4256
3557	register_command "reload" => sub {	4257	register_command "reload" => sub {
3558	my ($who, $arg) = @_;	4258	my ($who, $arg) = @_;
3559		4259
…		…
3564	reload_perl;	4264	reload_perl;
3565	};	4265	};
3566	}	4266	}
3567	};	4267	};
3568		4268
3569	unshift @INC, $LIBDIR;	4269	#############################################################################
3570		4270
3571	my $bug_warning = 0;	4271	my $bug_warning = 0;
3572		4272
3573	our @WAIT_FOR_TICK;
3574	our @WAIT_FOR_TICK_BEGIN;
3575
3576	sub wait_for_tick {	4273	sub wait_for_tick() {
3577	return unless $TICK_WATCHER->is_active;	4274	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3578	return if $Coro::current == $Coro::main;
3579		4275
3580	my $signal = new Coro::Signal;	4276	$WAIT_FOR_TICK->wait;
3581	push @WAIT_FOR_TICK, $signal;
3582	$signal->wait;
3583	}	4277	}
3584		4278
3585	sub wait_for_tick_begin {	4279	sub wait_for_tick_begin() {
3586	return unless $TICK_WATCHER->is_active;	4280	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3587	return if $Coro::current == $Coro::main;
3588		4281
3589	my $signal = new Coro::Signal;	4282	my $signal = new Coro::Signal;
3590	push @WAIT_FOR_TICK_BEGIN, $signal;	4283	push @WAIT_FOR_TICK_BEGIN, $signal;
3591	$signal->wait;	4284	$signal->wait;
3592	}	4285	}
3593		4286
3594	$TICK_WATCHER = Event->timer (	4287	sub tick {
3595	reentrant => 0,
3596	parked => 1,
3597	prio => 0,
3598	at => $NEXT_TICK || $TICK,
3599	data => WF_AUTOCANCEL,
3600	cb => sub {
3601	if ($Coro::current != $Coro::main) {	4288	if ($Coro::current != $Coro::main) {
3602	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4289	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3603	unless ++$bug_warning > 10;	4290	unless ++$bug_warning > 10;
3604	return;	4291	return;
3605	}	4292	}
3606		4293
3607	$NOW = $tick_start = Event::time;	4294	cf::one_tick; # one server iteration
3608		4295
3609	cf::server_tick; # one server iteration	4296	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3610		4297
3611	$RUNTIME += $TICK;
3612	$NEXT_TICK += $TICK;
3613
3614	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4298	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3615	$NEXT_RUNTIME_WRITE = $NOW + 10;	4299	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3616	Coro::async_pool {	4300	Coro::async_pool {
3617	$Coro::current->{desc} = "runtime saver";	4301	$Coro::current->{desc} = "runtime saver";
3618	write_runtime	4302	write_runtime_sync
3619	or warn "ERROR: unable to write runtime file: $!";	4303	or error "ERROR: unable to write runtime file: $!";
3620	};
3621	}	4304	};
		4305	}
3622		4306
3623	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4307	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3624	$sig->send;	4308	$sig->send;
3625	}	4309	}
3626	while (my $sig = shift @WAIT_FOR_TICK) {	4310	$WAIT_FOR_TICK->broadcast;
3627	$sig->send;
3628	}
3629		4311
3630	$NOW = Event::time;	4312	$LOAD = ($NOW - $TICK_START) / $TICK;
3631
3632	# if we are delayed by four ticks or more, skip them all
3633	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3634
3635	$TICK_WATCHER->at ($NEXT_TICK);
3636	$TICK_WATCHER->start;
3637
3638	$LOAD = ($NOW - $tick_start) / $TICK;
3639	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4313	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3640		4314
3641	_post_tick;	4315	if (0) {
		4316	if ($NEXT_TICK) {
		4317	my $jitter = $TICK_START - $NEXT_TICK;
		4318	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4319	debug "jitter $JITTER\n";#d#
		4320	}
3642	},	4321	}
3643	);	4322	}
3644		4323
3645	{	4324	{
		4325	# configure BDB
		4326	info "initialising database";
		4327
3646	BDB::min_parallel 8;	4328	BDB::min_parallel 16;
3647	BDB::max_poll_time $TICK * 0.1;	4329	BDB::max_poll_reqs $TICK * 0.1;
3648	$BDB_POLL_WATCHER = Event->io (	4330	#$AnyEvent::BDB::WATCHER->priority (1);
3649	reentrant => 0,
3650	fd => BDB::poll_fileno,
3651	poll => 'r',
3652	prio => 0,
3653	data => WF_AUTOCANCEL,
3654	cb => \&BDB::poll_cb,
3655	);
3656
3657	BDB::set_sync_prepare {
3658	my $status;
3659	my $current = $Coro::current;
3660	(
3661	sub {
3662	$status = $!;
3663	$current->ready; undef $current;
3664	},
3665	sub {
3666	Coro::schedule while defined $current;
3667	$! = $status;
3668	},
3669	)
3670	};
3671		4331
3672	unless ($DB_ENV) {	4332	unless ($DB_ENV) {
3673	$DB_ENV = BDB::db_env_create;	4333	$DB_ENV = BDB::db_env_create;
3674	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4334	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3675	| BDB::LOG_AUTOREMOVE, 1);	4335	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4336	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3676	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4337	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3677	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4338	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3678		4339
3679	cf::sync_job {	4340	cf::sync_job {
3680	eval {	4341	eval {
…		…
3690		4351
3691	cf::cleanup "db_env_open(db): $@" if $@;	4352	cf::cleanup "db_env_open(db): $@" if $@;
3692	};	4353	};
3693	}	4354	}
3694		4355
3695	$BDB_DEADLOCK_WATCHER = Event->timer (	4356	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3696	after => 3,
3697	interval => 1,
3698	hard => 1,
3699	prio => 0,
3700	data => WF_AUTOCANCEL,
3701	cb => sub {
3702	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	4357	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3703	},
3704	);	4358	};
3705	$BDB_CHECKPOINT_WATCHER = Event->timer (	4359	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3706	after => 11,
3707	interval => 60,
3708	hard => 1,
3709	prio => 0,
3710	data => WF_AUTOCANCEL,
3711	cb => sub {
3712	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4360	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3713	},
3714	);	4361	};
3715	$BDB_TRICKLE_WATCHER = Event->timer (	4362	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3716	after => 5,
3717	interval => 10,
3718	hard => 1,
3719	prio => 0,
3720	data => WF_AUTOCANCEL,
3721	cb => sub {
3722	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4363	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3723	},
3724	);	4364	};
		4365
		4366	info "database initialised";
3725	}	4367	}
3726		4368
3727	{	4369	{
		4370	# configure IO::AIO
		4371
		4372	info "initialising aio";
3728	IO::AIO::min_parallel 8;	4373	IO::AIO::min_parallel 8;
3729
3730	undef $Coro::AIO::WATCHER;
3731	IO::AIO::max_poll_time $TICK * 0.1;	4374	IO::AIO::max_poll_time $TICK * 0.1;
3732	$AIO_POLL_WATCHER = Event->io (	4375	undef $AnyEvent::AIO::WATCHER;
3733	reentrant => 0,	4376	info "aio initialised";
3734	data => WF_AUTOCANCEL,
3735	fd => IO::AIO::poll_fileno,
3736	poll => 'r',
3737	prio => 0,
3738	cb => \&IO::AIO::poll_cb,
3739	);
3740	}	4377	}
3741		4378
3742	my $_log_backtrace;	4379	our $_log_backtrace;
		4380	our $_log_backtrace_last;
3743		4381
3744	sub _log_backtrace {	4382	sub _log_backtrace {
3745	my ($msg, @addr) = @_;	4383	my ($msg, @addr) = @_;
3746		4384
3747	$msg =~ s/\n//;	4385	$msg =~ s/\n$//;
3748		4386
		4387	if ($_log_backtrace_last eq $msg) {
		4388	LOG llevInfo, "[ABT] $msg\n";
		4389	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3749	# limit the # of concurrent backtraces	4390	# limit the # of concurrent backtraces
3750	if ($_log_backtrace < 2) {	4391	} elsif ($_log_backtrace < 2) {
		4392	$_log_backtrace_last = $msg;
3751	++$_log_backtrace;	4393	++$_log_backtrace;
		4394	my $perl_bt = Carp::longmess $msg;
3752	async {	4395	async {
3753	$Coro::current->{desc} = "abt $msg";	4396	$Coro::current->{desc} = "abt $msg";
3754		4397
3755	my @bt = fork_call {	4398	my @bt = fork_call {
3756	@addr = map { sprintf "%x", $_ } @addr;	4399	@addr = map { sprintf "%x", $_ } @addr;
…		…
3767	}	4410	}
3768		4411
3769	@funcs	4412	@funcs
3770	};	4413	};
3771		4414
3772	LOG llevInfo, "[ABT] $msg\n";	4415	LOG llevInfo, "[ABT] $perl_bt\n";
		4416	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3773	LOG llevInfo, "[ABT] $_\n" for @bt;	4417	LOG llevInfo, "[ABT] $_\n" for @bt;
3774	--$_log_backtrace;	4418	--$_log_backtrace;
3775	};	4419	};
3776	} else {	4420	} else {
3777	LOG llevInfo, "[ABT] $msg\n";	4421	LOG llevInfo, "[ABT] $msg\n";
3778	LOG llevInfo, "[ABT] [suppressed]\n";	4422	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3779	}	4423	}
3780	}	4424	}
3781		4425
3782	# load additional modules	4426	# load additional modules
3783	use cf::pod;	4427	require "cf/$_.pm" for @EXTRA_MODULES;
		4428	cf::_connect_to_perl_2;
3784		4429
3785	END { cf::emergency_save }	4430	END { cf::emergency_save }
3786		4431
3787	1	4432	1
3788		4433

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