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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.410 by root, Tue Jan 15 12:02:24 2008 UTC vs.
Revision 1.585 by root, Tue Oct 30 20:18:00 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 EV 1.86;	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 Guard ();
15	use Coro 4.32 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
18	use Coro::EV;	41	use Coro::EV;
		42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
23	use Coro::BDB;	49	use Coro::BDB 1.6;
24	use Coro::Storable;	50	use Coro::Storable;
25	use Coro::Util ();	51	use Coro::Util ();
26		52
27	use JSON::XS 2.01 ();	53	use JSON::XS 2.01 ();
28	use BDB ();	54	use BDB ();
29	use Data::Dumper;	55	use Data::Dumper;
30	use Digest::MD5;
31	use Fcntl;	56	use Fcntl;
32	use YAML ();	57	use YAML::XS ();
33	use IO::AIO 2.51 ();	58	use IO::AIO ();
34	use Time::HiRes;	59	use Time::HiRes;
35	use Compress::LZF;	60	use Compress::LZF;
36	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
37		64
38	# configure various modules to our taste	65	# configure various modules to our taste
39	#	66	#
40	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
43		75
44	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45		78
46	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
47		82
48	our %COMMAND = ();	83	our %COMMAND = ();
49	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
50		85
51	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
52	our %EXTCMD = ();	87	our %EXTCMD = ();
53	our %EXTICMD = ();	88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
61	our $DATADIR = datadir;	99	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
65	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
71	our %RESOURCE;	110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	#our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
72		120
73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
74	our $TICK_WATCHER;
75	our $AIO_POLL_WATCHER;
76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
77	our $NEXT_TICK;	123	our $NEXT_TICK;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		125
80	our $BDB_POLL_WATCHER;
81	our $BDB_DEADLOCK_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
82	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	129	our $DB_ENV;
85		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
86	our %CFG;	133	our %CFG;
		134	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
87		135
88	our $UPTIME; $UPTIME ||= time;	136	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	137	our $RUNTIME = 0;
		138	our $SERVER_TICK = 0;
90	our $NOW;	139	our $NOW;
91		140
92	our (%PLAYER, %PLAYER_LOADING); # all users	141	our (%PLAYER, %PLAYER_LOADING); # all users
93	our (%MAP, %MAP_LOADING ); # all maps	142	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	143	our $LINK_MAP; # the special {link} map, which is always available
…		…
96	# used to convert map paths into valid unix filenames by replacing / by ∕	145	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	146	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		147
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	148	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	149	our $LOADAVG; # same thing, but with alpha-smoothing
		150	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	151	our $TICK_START; # for load detecting purposes
		152
		153	our @POST_INIT;
		154
		155	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		156	our $REALLY_UNLOOP; # never set to true, please :)
		157
		158	our $WAIT_FOR_TICK = new Coro::Signal;
		159	our @WAIT_FOR_TICK_BEGIN;
102		160
103	binmode STDOUT;	161	binmode STDOUT;
104	binmode STDERR;	162	binmode STDERR;
105		163
106	# read virtual server time, if available	164	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	165	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	166	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	167	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	168	$RUNTIME = <$fh> + 0.;
111	}	169	}
		170
		171	eval "sub TICK() { $TICK } 1" or die;
112		172
113	mkdir $_	173	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	174	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		175
116	our $EMERGENCY_POSITION;	176	our $EMERGENCY_POSITION;
117		177
118	sub cf::map::normalise;	178	sub cf::map::normalise;
119		179
		180	sub in_main() {
		181	$Coro::current == $Coro::main
		182	}
		183
120	#############################################################################	184	#############################################################################
121		185
		186	%REFLECT = ();
		187	for (@REFLECT) {
		188	my $reflect = JSON::XS::decode_json $_;
		189	$REFLECT{$reflect->{class}} = $reflect;
		190	}
		191
		192	# this is decidedly evil
		193	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		194
		195	#############################################################################
		196
122	=head2 GLOBAL VARIABLES	197	=head2 GLOBAL VARIABLES
123		198
124	=over 4	199	=over 4
125		200
126	=item $cf::UPTIME	201	=item $cf::UPTIME
127		202
128	The timestamp of the server start (so not actually an uptime).	203	The timestamp of the server start (so not actually an "uptime").
		204
		205	=item $cf::SERVER_TICK
		206
		207	An unsigned integer that starts at zero when the server is started and is
		208	incremented on every tick.
		209
		210	=item $cf::NOW
		211
		212	The (real) time of the last (current) server tick - updated before and
		213	after tick processing, so this is useful only as a rough "what time is it
		214	now" estimate.
		215
		216	=item $cf::TICK
		217
		218	The interval between each server tick, in seconds.
129		219
130	=item $cf::RUNTIME	220	=item $cf::RUNTIME
131		221
132	The time this server has run, starts at 0 and is increased by $cf::TICK on	222	The time this server has run, starts at 0 and is increased by $cf::TICK on
133	every server tick.	223	every server tick.
…		…
139	Various directories - "/etc", read-only install directory, perl-library	229	Various directories - "/etc", read-only install directory, perl-library
140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	230	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
141	unique-items directory, player file directory, random maps directory and	231	unique-items directory, player file directory, random maps directory and
142	database environment.	232	database environment.
143		233
144	=item $cf::NOW
145
146	The time of the last (current) server tick.
147
148	=item $cf::TICK
149
150	The interval between server ticks, in seconds.
151
152	=item $cf::LOADAVG	234	=item $cf::LOADAVG
153		235
154	The current CPU load on the server (alpha-smoothed), as a value between 0	236	The current CPU load on the server (alpha-smoothed), as a value between 0
155	(none) and 1 (overloaded), indicating how much time is spent on processing	237	(none) and 1 (overloaded), indicating how much time is spent on processing
156	objects per tick. Healthy values are < 0.5.	238	objects per tick. Healthy values are < 0.5.
…		…
165	from wherever your confdir points to.	247	from wherever your confdir points to.
166		248
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	249	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		250
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	251	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
170	returns directly I<after> the tick processing (and consequently, can only wake one process	252	returns directly I<after> the tick processing (and consequently, can only wake one thread
171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	253	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
172		254
		255	Note that cf::Wait_for_tick will immediately return when the server is not
		256	ticking, making it suitable for small pauses in threads that need to run
		257	when the server is paused. If that is not applicable (i.e. you I<really>
		258	want to wait, use C<$cf::WAIT_FOR_TICK>).
		259
		260	=item $cf::WAIT_FOR_TICK
		261
		262	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		263	variable contains a L<Coro::Signal> that is broadcats after every server
		264	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		265	next server tick.
		266
		267	=cut
		268
		269	sub wait_for_tick();
		270	sub wait_for_tick_begin();
		271
173	=item @cf::INVOKE_RESULTS	272	=item @cf::INVOKE_RESULTS
174		273
175	This array contains the results of the last C<invoke ()> call. When	274	This array contains the results of the last C<invoke ()> call. When
176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	275	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	276	that call.
178		277
		278	=item %cf::REFLECT
		279
		280	Contains, for each (C++) class name, a hash reference with information
		281	about object members (methods, scalars, arrays and flags) and other
		282	metadata, which is useful for introspection.
		283
179	=back	284	=back
180		285
181	=cut	286	=cut
182		287
183	BEGIN {	288	sub error(@) { LOG llevError, join "", @_ }
184	*CORE::GLOBAL::warn = sub {	289	sub warn (@) { LOG llevWarn , join "", @_ }
		290	sub info (@) { LOG llevInfo , join "", @_ }
		291	sub debug(@) { LOG llevDebug, join "", @_ }
		292	sub trace(@) { LOG llevTrace, join "", @_ }
		293
		294	$Coro::State::WARNHOOK = sub {
185	my $msg = join "", @_;	295	my $msg = join "", @_;
186		296
187	$msg .= "\n"	297	$msg .= "\n"
188	unless $msg =~ /\n$/;	298	unless $msg =~ /\n$/;
189		299
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	300	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		301
192	LOG llevError, $msg;	302	LOG llevWarn, $msg;
193	};	303	};
194	}
195		304
196	$Coro::State::DIEHOOK = sub {	305	$Coro::State::DIEHOOK = sub {
197	return unless $^S eq 0; # "eq", not "=="	306	return unless $^S eq 0; # "eq", not "=="
198		307
199	if ($Coro::current == $Coro::main) {#d#	308	error Carp::longmess $_[0];
		309
		310	if (in_main) {#d#
200	warn "DIEHOOK called in main context, Coro bug?\n";#d#	311	error "DIEHOOK called in main context, Coro bug?\n";#d#
201	return;#d#	312	return;#d#
202	}#d#	313	}#d#
203		314
204	# kill coroutine otherwise	315	# kill coroutine otherwise
205	warn Carp::longmess $_[0];
206	Coro::terminate	316	Coro::terminate
207	};	317	};
208
209	$SIG{__DIE__} = sub { }; #d#?
210		318
211	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	319	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
212	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	320	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
213	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	321	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
214	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	322	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
221	for my $pkg (qw(	329	for my $pkg (qw(
222	cf::global cf::attachable	330	cf::global cf::attachable
223	cf::object cf::object::player	331	cf::object cf::object::player
224	cf::client cf::player	332	cf::client cf::player
225	cf::arch cf::living	333	cf::arch cf::living
		334	cf::map cf::mapspace
226	cf::map cf::party cf::region	335	cf::party cf::region
227	)) {	336	)) {
228	no strict 'refs';
229	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	337	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
230	}	338	}
231		339
232	$EV::DIED = sub {	340	$EV::DIED = sub {
233	warn "error in event callback: @_";	341	Carp::cluck "error in event callback: @_";
234	};	342	};
		343
		344	#############################################################################
		345
		346	sub fork_call(&@);
		347	sub get_slot($;$$);
235		348
236	#############################################################################	349	#############################################################################
237		350
238	=head2 UTILITY FUNCTIONS	351	=head2 UTILITY FUNCTIONS
239		352
…		…
260	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	373	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
261	$d	374	$d
262	} || "[unable to dump $_[0]: '$@']";	375	} || "[unable to dump $_[0]: '$@']";
263	}	376	}
264		377
		378	=item $scalar = cf::load_file $path
		379
		380	Loads the given file from path and returns its contents. Croaks on error
		381	and can block.
		382
		383	=cut
		384
		385	sub load_file($) {
		386	0 <= aio_load $_[0], my $data
		387	or Carp::croak "$_[0]: $!";
		388
		389	$data
		390	}
		391
		392	=item $success = cf::replace_file $path, $data, $sync
		393
		394	Atomically replaces the file at the given $path with new $data, and
		395	optionally $sync the data to disk before replacing the file.
		396
		397	=cut
		398
		399	sub replace_file($$;$) {
		400	my ($path, $data, $sync) = @_;
		401
		402	my $lock = cf::lock_acquire ("replace_file:$path");
		403
		404	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		405	or return;
		406
		407	$data = $data->() if ref $data;
		408
		409	length $data == aio_write $fh, 0, (length $data), $data, 0
		410	or return;
		411
		412	!$sync
		413	or !aio_fsync $fh
		414	or return;
		415
		416	aio_close $fh
		417	and return;
		418
		419	aio_rename "$path~", $path
		420	and return;
		421
		422	if ($sync) {
		423	$path =~ s%/[^/]*$%%;
		424	aio_pathsync $path;
		425	}
		426
		427	1
		428	}
		429
265	=item $ref = cf::decode_json $json	430	=item $ref = cf::decode_json $json
266		431
267	Converts a JSON string into the corresponding perl data structure.	432	Converts a JSON string into the corresponding perl data structure.
268		433
269	=item $json = cf::encode_json $ref	434	=item $json = cf::encode_json $ref
…		…
275	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	440	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
276		441
277	sub encode_json($) { $json_coder->encode ($_[0]) }	442	sub encode_json($) { $json_coder->encode ($_[0]) }
278	sub decode_json($) { $json_coder->decode ($_[0]) }	443	sub decode_json($) { $json_coder->decode ($_[0]) }
279		444
		445	=item $ref = cf::decode_storable $scalar
		446
		447	Same as Coro::Storable::thaw, so blocks.
		448
		449	=cut
		450
		451	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		452
		453	=item $ref = cf::decode_yaml $scalar
		454
		455	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		456
		457	=cut
		458
		459	sub decode_yaml($) {
		460	fork_call { YAML::XS::Load $_[0] } @_
		461	}
		462
		463	=item $scalar = cf::unlzf $scalar
		464
		465	Same as Compress::LZF::compress, but takes server ticks into account, so
		466	blocks.
		467
		468	=cut
		469
		470	sub unlzf($) {
		471	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		472	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		473	Compress::LZF::decompress $_[0]
		474	}
		475
		476	=item cf::post_init { BLOCK }
		477
		478	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		479	but I<before> the server starts ticking again.
		480
		481	The codeblock will have a single boolean argument to indicate whether this
		482	is a reload or not.
		483
		484	=cut
		485
		486	sub post_init(&) {
		487	push @POST_INIT, shift;
		488	}
		489
		490	sub _post_init {
		491	trace "running post_init jobs";
		492
		493	# run them in parallel...
		494
		495	my @join;
		496
		497	while () {
		498	push @join, map &Coro::async ($_, 0), @POST_INIT;
		499	@POST_INIT = ();
		500
		501	@join or last;
		502
		503	(pop @join)->join;
		504	}
		505	}
		506
280	=item cf::lock_wait $string	507	=item cf::lock_wait $string
281		508
282	Wait until the given lock is available. See cf::lock_acquire.	509	Wait until the given lock is available. See cf::lock_acquire.
283		510
284	=item my $lock = cf::lock_acquire $string	511	=item my $lock = cf::lock_acquire $string
285		512
286	Wait until the given lock is available and then acquires it and returns	513	Wait until the given lock is available and then acquires it and returns
287	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	514	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
288	for example when the coroutine gets canceled), the lock is automatically	515	for example when the coroutine gets canceled), the lock is automatically
289	returned.	516	returned.
290		517
291	Locks are *not* recursive, locking from the same coro twice results in a	518	Locks are *not* recursive, locking from the same coro twice results in a
292	deadlocked coro.	519	deadlocked coro.
…		…
298		525
299	Return true if the lock is currently active, i.e. somebody has locked it.	526	Return true if the lock is currently active, i.e. somebody has locked it.
300		527
301	=cut	528	=cut
302		529
303	our %LOCK;	530	our $LOCKS = new Coro::SemaphoreSet;
304	our %LOCKER;#d#
305		531
306	sub lock_wait($) {	532	sub lock_wait($) {
307	my ($key) = @_;	533	$LOCKS->wait ($_[0]);
308
309	if ($LOCKER{$key} == $Coro::current) {#d#
310	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
311	return;#d#
312	}#d#
313
314	# wait for lock, if any
315	while ($LOCK{$key}) {
316	push @{ $LOCK{$key} }, $Coro::current;
317	Coro::schedule;
318	}
319	}	534	}
320		535
321	sub lock_acquire($) {	536	sub lock_acquire($) {
322	my ($key) = @_;	537	$LOCKS->guard ($_[0])
323
324	# wait, to be sure we are not locked
325	lock_wait $key;
326
327	$LOCK{$key} = [];
328	$LOCKER{$key} = $Coro::current;#d#
329
330	Coro::guard {
331	delete $LOCKER{$key};#d#
332	# wake up all waiters, to be on the safe side
333	$_->ready for @{ delete $LOCK{$key} };
334	}
335	}	538	}
336		539
337	sub lock_active($) {	540	sub lock_active($) {
338	my ($key) = @_;	541	$LOCKS->count ($_[0]) < 1
339
340	! ! $LOCK{$key}
341	}	542	}
342		543
343	sub freeze_mainloop {	544	sub freeze_mainloop {
344	return unless $TICK_WATCHER->is_active;	545	tick_inhibit_inc;
345		546
346	my $guard = Coro::guard {	547	&Guard::guard (\&tick_inhibit_dec);
347	$TICK_WATCHER->start;
348	};
349	$TICK_WATCHER->stop;
350	$guard
351	}	548	}
352		549
353	=item cf::periodic $interval, $cb	550	=item cf::periodic $interval, $cb
354		551
355	Like EV::periodic, but randomly selects a starting point so that the actions	552	Like EV::periodic, but randomly selects a starting point so that the actions
356	get spread over timer.	553	get spread over time.
357		554
358	=cut	555	=cut
359		556
360	sub periodic($$) {	557	sub periodic($$) {
361	my ($interval, $cb) = @_;	558	my ($interval, $cb) = @_;
…		…
365	EV::periodic $start, $interval, 0, $cb	562	EV::periodic $start, $interval, 0, $cb
366	}	563	}
367		564
368	=item cf::get_slot $time[, $priority[, $name]]	565	=item cf::get_slot $time[, $priority[, $name]]
369		566
370	Allocate $time seconds of blocking CPU time at priority C<$priority>:	567	Allocate $time seconds of blocking CPU time at priority C<$priority>
371	This call blocks and returns only when you have at least C<$time> seconds	568	(default: 0): This call blocks and returns only when you have at least
372	of cpu time till the next tick. The slot is only valid till the next cede.	569	C<$time> seconds of cpu time till the next tick. The slot is only valid
		570	till the next cede.
		571
		572	Background jobs should use a priority les than zero, interactive jobs
		573	should use 100 or more.
373		574
374	The optional C<$name> can be used to identify the job to run. It might be	575	The optional C<$name> can be used to identify the job to run. It might be
375	used for statistical purposes and should identify the same time-class.	576	used for statistical purposes and should identify the same time-class.
376		577
377	Useful for short background jobs.	578	Useful for short background jobs.
378		579
379	=cut	580	=cut
380		581
381	our @SLOT_QUEUE;	582	our @SLOT_QUEUE;
382	our $SLOT_QUEUE;	583	our $SLOT_QUEUE;
		584	our $SLOT_DECAY = 0.9;
383		585
384	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	586	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
385	$SLOT_QUEUE = Coro::async {	587	$SLOT_QUEUE = Coro::async {
386	$Coro::current->desc ("timeslot manager");	588	$Coro::current->desc ("timeslot manager");
387		589
388	my $signal = new Coro::Signal;	590	my $signal = new Coro::Signal;
		591	my $busy;
389		592
390	while () {	593	while () {
391	next_job:	594	next_job:
		595
392	my $avail = cf::till_tick;	596	my $avail = cf::till_tick;
393	if ($avail > 0.01) {	597
394	for (0 .. $#SLOT_QUEUE) {	598	for (0 .. $#SLOT_QUEUE) {
395	if ($SLOT_QUEUE[$_][0] < $avail) {	599	if ($SLOT_QUEUE[$_][0] <= $avail) {
		600	$busy = 0;
396	my $job = splice @SLOT_QUEUE, $_, 1, ();	601	my $job = splice @SLOT_QUEUE, $_, 1, ();
397	$job->[2]->send;	602	$job->[2]->send;
398	Coro::cede;	603	Coro::cede;
399	goto next_job;	604	goto next_job;
400	}	605	} else {
		606	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
401	}	607	}
402	}	608	}
403		609
404	if (@SLOT_QUEUE) {	610	if (@SLOT_QUEUE) {
405	# we do not use wait_for_tick() as it returns immediately when tick is inactive	611	# we do not use wait_for_tick() as it returns immediately when tick is inactive
406	push @cf::WAIT_FOR_TICK, $signal;	612	$WAIT_FOR_TICK->wait;
407	$signal->wait;
408	} else {	613	} else {
		614	$busy = 0;
409	Coro::schedule;	615	Coro::schedule;
410	}	616	}
411	}	617	}
412	};	618	};
413		619
414	sub get_slot($;$$) {	620	sub get_slot($;$$) {
		621	return if tick_inhibit || $Coro::current == $Coro::main;
		622
415	my ($time, $pri, $name) = @_;	623	my ($time, $pri, $name) = @_;
416		624
417	$time = $TICK * .6 if $time > $TICK * .6;	625	$time = clamp $time, 0.01, $TICK * .6;
		626
418	my $sig = new Coro::Signal;	627	my $sig = new Coro::Signal;
419		628
420	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	629	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
421	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	630	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
422	$SLOT_QUEUE->ready;	631	$SLOT_QUEUE->ready;
…		…
448	=cut	657	=cut
449		658
450	sub sync_job(&) {	659	sub sync_job(&) {
451	my ($job) = @_;	660	my ($job) = @_;
452		661
453	if ($Coro::current == $Coro::main) {	662	if (in_main) {
454	my $time = EV::time;	663	my $time = AE::time;
455		664
456	# this is the main coro, too bad, we have to block	665	# this is the main coro, too bad, we have to block
457	# till the operation succeeds, freezing the server :/	666	# till the operation succeeds, freezing the server :/
458		667
459	LOG llevError, Carp::longmess "sync job";#d#	668	#LOG llevError, Carp::longmess "sync job";#d#
460		669
461	# TODO: use suspend/resume instead
462	# (but this is cancel-safe)
463	my $freeze_guard = freeze_mainloop;	670	my $freeze_guard = freeze_mainloop;
464		671
465	my $busy = 1;	672	my $busy = 1;
466	my @res;	673	my @res;
467		674
468	(async {	675	(async {
469	$Coro::current->desc ("sync job coro");	676	$Coro::current->desc ("sync job coro");
470	@res = eval { $job->() };	677	@res = eval { $job->() };
471	warn $@ if $@;	678	error $@ if $@;
472	undef $busy;	679	undef $busy;
473	})->prio (Coro::PRIO_MAX);	680	})->prio (Coro::PRIO_MAX);
474		681
475	while ($busy) {	682	while ($busy) {
476	if (Coro::nready) {	683	if (Coro::nready) {
…		…
478	} else {	685	} else {
479	EV::loop EV::LOOP_ONESHOT;	686	EV::loop EV::LOOP_ONESHOT;
480	}	687	}
481	}	688	}
482		689
483	$time = EV::time - $time;	690	my $time = AE::time - $time;
484		691
485	LOG llevError | logBacktrace, Carp::longmess "long sync job"
486	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
487
488	$tick_start += $time; # do not account sync jobs to server load	692	$TICK_START += $time; # do not account sync jobs to server load
489		693
490	wantarray ? @res : $res[0]	694	wantarray ? @res : $res[0]
491	} else {	695	} else {
492	# we are in another coroutine, how wonderful, everything just works	696	# we are in another coroutine, how wonderful, everything just works
493		697
…		…
513	$EXT_CORO{$coro+0} = $coro;	717	$EXT_CORO{$coro+0} = $coro;
514		718
515	$coro	719	$coro
516	}	720	}
517		721
518	=item fork_call { }, $args	722	=item fork_call { }, @args
519		723
520	Executes the given code block with the given arguments in a seperate	724	Executes the given code block with the given arguments in a seperate
521	process, returning the results. Everything must be serialisable with	725	process, returning the results. Everything must be serialisable with
522	Coro::Storable. May, of course, block. Note that the executed sub may	726	Coro::Storable. May, of course, block. Note that the executed sub may
523	never block itself or use any form of event handling.	727	never block itself or use any form of event handling.
524		728
525	=cut	729	=cut
526		730
		731	sub post_fork {
		732	reset_signals;
		733	}
		734
527	sub fork_call(&@) {	735	sub fork_call(&@) {
528	my ($cb, @args) = @_;	736	my ($cb, @args) = @_;
529		737
530	# we seemingly have to make a local copy of the whole thing,	738	# we seemingly have to make a local copy of the whole thing,
531	# otherwise perl prematurely frees the stuff :/	739	# otherwise perl prematurely frees the stuff :/
532	# TODO: investigate and fix (likely this will be rather laborious)	740	# TODO: investigate and fix (likely this will be rather laborious)
533		741
534	my @res = Coro::Util::fork_eval {	742	my @res = Coro::Util::fork_eval {
535	reset_signals;	743	cf::post_fork;
536	&$cb	744	&$cb
537	}, @args;	745	} @args;
538		746
539	wantarray ? @res : $res[-1]	747	wantarray ? @res : $res[-1]
		748	}
		749
		750	sub objinfo {
		751	(
		752	"counter value" => cf::object::object_count,
		753	"objects created" => cf::object::create_count,
		754	"objects destroyed" => cf::object::destroy_count,
		755	"freelist size" => cf::object::free_count,
		756	"allocated objects" => cf::object::objects_size,
		757	"active objects" => cf::object::actives_size,
		758	)
		759	}
		760
		761	=item $coin = coin_from_name $name
		762
		763	=cut
		764
		765	our %coin_alias = (
		766	"silver" => "silvercoin",
		767	"silvercoin" => "silvercoin",
		768	"silvercoins" => "silvercoin",
		769	"gold" => "goldcoin",
		770	"goldcoin" => "goldcoin",
		771	"goldcoins" => "goldcoin",
		772	"platinum" => "platinacoin",
		773	"platinumcoin" => "platinacoin",
		774	"platinumcoins" => "platinacoin",
		775	"platina" => "platinacoin",
		776	"platinacoin" => "platinacoin",
		777	"platinacoins" => "platinacoin",
		778	"royalty" => "royalty",
		779	"royalties" => "royalty",
		780	);
		781
		782	sub coin_from_name($) {
		783	$coin_alias{$_[0]}
		784	? cf::arch::find $coin_alias{$_[0]}
		785	: undef
540	}	786	}
541		787
542	=item $value = cf::db_get $family => $key	788	=item $value = cf::db_get $family => $key
543		789
544	Returns a single value from the environment database.	790	Returns a single value from the environment database.
…		…
554	within each server.	800	within each server.
555		801
556	=cut	802	=cut
557		803
558	sub db_table($) {	804	sub db_table($) {
		805	cf::error "db_get called from main context"
		806	if $Coro::current == $Coro::main;
		807
559	my ($name) = @_;	808	my ($name) = @_;
560	my $db = BDB::db_create $DB_ENV;	809	my $db = BDB::db_create $DB_ENV;
561		810
562	eval {	811	eval {
563	$db->set_flags (BDB::CHKSUM);	812	$db->set_flags (BDB::CHKSUM);
…		…
573	}	822	}
574		823
575	our $DB;	824	our $DB;
576		825
577	sub db_init {	826	sub db_init {
578	cf::sync_job {
579	$DB ||= db_table "db";	827	$DB ||= db_table "db";
580	};
581	}	828	}
582		829
583	sub db_get($$) {	830	sub db_get($$) {
584	my $key = "$_[0]/$_[1]";	831	my $key = "$_[0]/$_[1]";
585		832
586	cf::sync_job {	833	cf::error "db_get called from main context"
		834	if $Coro::current == $Coro::main;
		835
587	BDB::db_get $DB, undef, $key, my $data;	836	BDB::db_get $DB, undef, $key, my $data;
588		837
589	$! ? ()	838	$! ? ()
590	: $data	839	: $data
591	}
592	}	840	}
593		841
594	sub db_put($$$) {	842	sub db_put($$$) {
595	BDB::dbreq_pri 4;	843	BDB::dbreq_pri 4;
596	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	844	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
624		872
625	my @data;	873	my @data;
626	my $md5;	874	my $md5;
627		875
628	for (0 .. $#$src) {	876	for (0 .. $#$src) {
629	0 <= aio_load $src->[$_], $data[$_]	877	$data[$_] = load_file $src->[$_];
630	or Carp::croak "$src->[$_]: $!";
631	}	878	}
632		879
633	# if processing is expensive, check	880	# if processing is expensive, check
634	# checksum first	881	# checksum first
635	if (1) {	882	if (1) {
…		…
652		899
653	my $t1 = Time::HiRes::time;	900	my $t1 = Time::HiRes::time;
654	my $data = $process->(\@data);	901	my $data = $process->(\@data);
655	my $t2 = Time::HiRes::time;	902	my $t2 = Time::HiRes::time;
656		903
657	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	904	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
658		905
659	db_put cache => "$id/data", $data;	906	db_put cache => "$id/data", $data;
660	db_put cache => "$id/md5" , $md5;	907	db_put cache => "$id/md5" , $md5;
661	db_put cache => "$id/meta", $meta;	908	db_put cache => "$id/meta", $meta;
662		909
…		…
672		919
673	=cut	920	=cut
674		921
675	sub datalog($@) {	922	sub datalog($@) {
676	my ($type, %kv) = @_;	923	my ($type, %kv) = @_;
677	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	924	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
678	}	925	}
679		926
680	=back	927	=back
681		928
682	=cut	929	=cut
683		930
684	#############################################################################	931	#############################################################################
685		932
686	=head2 ATTACHABLE OBJECTS	933	=head2 ATTACHABLE OBJECTS
687		934
688	Many objects in crossfire are so-called attachable objects. That means you can	935	Many objects in deliantra are so-called attachable objects. That means you can
689	attach callbacks/event handlers (a collection of which is called an "attachment")	936	attach callbacks/event handlers (a collection of which is called an "attachment")
690	to it. All such attachable objects support the following methods.	937	to it. All such attachable objects support the following methods.
691		938
692	In the following description, CLASS can be any of C<global>, C<object>	939	In the following description, CLASS can be any of C<global>, C<object>
693	C<player>, C<client> or C<map> (i.e. the attachable objects in	940	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
743	=item cf::CLASS::attachment $name, ...	990	=item cf::CLASS::attachment $name, ...
744		991
745	Register an attachment by C<$name> through which attachable objects of the	992	Register an attachment by C<$name> through which attachable objects of the
746	given CLASS can refer to this attachment.	993	given CLASS can refer to this attachment.
747		994
748	Some classes such as crossfire maps and objects can specify attachments	995	Some classes such as deliantra maps and objects can specify attachments
749	that are attached at load/instantiate time, thus the need for a name.	996	that are attached at load/instantiate time, thus the need for a name.
750		997
751	These calls expect any number of the following handler/hook descriptions:	998	These calls expect any number of the following handler/hook descriptions:
752		999
753	=over 4	1000	=over 4
…		…
877		1124
878	} elsif (exists $cb_id{$type}) {	1125	} elsif (exists $cb_id{$type}) {
879	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1126	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
880		1127
881	} elsif (ref $type) {	1128	} elsif (ref $type) {
882	warn "attaching objects not supported, ignoring.\n";	1129	error "attaching objects not supported, ignoring.\n";
883		1130
884	} else {	1131	} else {
885	shift @arg;	1132	shift @arg;
886	warn "attach argument '$type' not supported, ignoring.\n";	1133	error "attach argument '$type' not supported, ignoring.\n";
887	}	1134	}
888	}	1135	}
889	}	1136	}
890		1137
891	sub _object_attach {	1138	sub _object_attach {
…		…
901	_attach $registry, $klass, @attach;	1148	_attach $registry, $klass, @attach;
902	}	1149	}
903		1150
904	$obj->{$name} = \%arg;	1151	$obj->{$name} = \%arg;
905	} else {	1152	} else {
906	warn "object uses attachment '$name' which is not available, postponing.\n";	1153	info "object uses attachment '$name' which is not available, postponing.\n";
907	}	1154	}
908		1155
909	$obj->{_attachment}{$name} = undef;	1156	$obj->{_attachment}{$name} = undef;
910	}	1157	}
911		1158
…		…
970		1217
971	for (@$callbacks) {	1218	for (@$callbacks) {
972	eval { &{$_->[1]} };	1219	eval { &{$_->[1]} };
973		1220
974	if ($@) {	1221	if ($@) {
975	warn "$@";
976	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1222	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
977	override;	1223	override;
978	}	1224	}
979		1225
980	return 1 if $override;	1226	return 1 if $override;
981	}	1227	}
…		…
1044		1290
1045	sub reattach {	1291	sub reattach {
1046	# basically do the same as instantiate, without calling instantiate	1292	# basically do the same as instantiate, without calling instantiate
1047	my ($obj) = @_;	1293	my ($obj) = @_;
1048		1294
		1295	# no longer needed after getting rid of delete_package?
1049	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1296	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1050		1297
1051	my $registry = $obj->registry;	1298	my $registry = $obj->registry;
1052		1299
1053	@$registry = ();	1300	@$registry = ();
1054		1301
…		…
1059	for (@$attach) {	1306	for (@$attach) {
1060	my ($klass, @attach) = @$_;	1307	my ($klass, @attach) = @$_;
1061	_attach $registry, $klass, @attach;	1308	_attach $registry, $klass, @attach;
1062	}	1309	}
1063	} else {	1310	} else {
1064	warn "object uses attachment '$name' that is not available, postponing.\n";	1311	info "object uses attachment '$name' that is not available, postponing.\n";
1065	}	1312	}
1066	}	1313	}
1067	}	1314	}
1068		1315
1069	cf::attachable->attach (	1316	cf::attachable->attach (
…		…
1096	my ($filename, $rdata, $objs) = @_;	1343	my ($filename, $rdata, $objs) = @_;
1097		1344
1098	sync_job {	1345	sync_job {
1099	if (length $$rdata) {	1346	if (length $$rdata) {
1100	utf8::decode (my $decname = $filename);	1347	utf8::decode (my $decname = $filename);
1101	warn sprintf "saving %s (%d,%d)\n",	1348	trace sprintf "saving %s (%d,%d)\n",
1102	$decname, length $$rdata, scalar @$objs;	1349	$decname, length $$rdata, scalar @$objs
		1350	if $VERBOSE_IO;
1103		1351
1104	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1352	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1105	chmod SAVE_MODE, $fh;	1353	aio_chmod $fh, SAVE_MODE;
1106	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1354	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1107	aio_fsync $fh if $cf::USE_FSYNC;	1355	if ($cf::USE_FSYNC) {
		1356	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;
		1357	aio_fsync $fh;
		1358	}
1108	close $fh;	1359	aio_close $fh;
1109		1360
1110	if (@$objs) {	1361	if (@$objs) {
1111	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1362	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1112	chmod SAVE_MODE, $fh;	1363	aio_chmod $fh, SAVE_MODE;
1113	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1364	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1114	aio_write $fh, 0, (length $data), $data, 0;	1365	aio_write $fh, 0, (length $data), $data, 0;
1115	aio_fsync $fh if $cf::USE_FSYNC;	1366	if ($cf::USE_FSYNC) {
		1367	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;
		1368	aio_fsync $fh;
		1369	}
1116	close $fh;	1370	aio_close $fh;
1117	aio_rename "$filename.pst~", "$filename.pst";	1371	aio_rename "$filename.pst~", "$filename.pst";
1118	}	1372	}
1119	} else {	1373	} else {
1120	aio_unlink "$filename.pst";	1374	aio_unlink "$filename.pst";
1121	}	1375	}
1122		1376
1123	aio_rename "$filename~", $filename;	1377	aio_rename "$filename~", $filename;
		1378
		1379	$filename =~ s%/[^/]+$%%;
		1380	aio_pathsync $filename if $cf::USE_FSYNC;
1124	} else {	1381	} else {
1125	warn "FATAL: $filename~: $!\n";	1382	error "unable to save objects: $filename~: $!\n";
1126	}	1383	}
1127	} else {	1384	} else {
1128	aio_unlink $filename;	1385	aio_unlink $filename;
1129	aio_unlink "$filename.pst";	1386	aio_unlink "$filename.pst";
1130	}	1387	}
…		…
1154	my $st = eval { Coro::Storable::thaw $av };	1411	my $st = eval { Coro::Storable::thaw $av };
1155	$av = $st->{objs};	1412	$av = $st->{objs};
1156	}	1413	}
1157		1414
1158	utf8::decode (my $decname = $filename);	1415	utf8::decode (my $decname = $filename);
1159	warn sprintf "loading %s (%d,%d)\n",	1416	trace sprintf "loading %s (%d,%d)\n",
1160	$decname, length $data, scalar @{$av || []};	1417	$decname, length $data, scalar @{$av || []}
		1418	if $VERBOSE_IO;
1161		1419
1162	($data, $av)	1420	($data, $av)
1163	}	1421	}
1164		1422
1165	=head2 COMMAND CALLBACKS	1423	=head2 COMMAND CALLBACKS
…		…
1221	my ($name, $cb) = @_;	1479	my ($name, $cb) = @_;
1222		1480
1223	$EXTICMD{$name} = $cb;	1481	$EXTICMD{$name} = $cb;
1224	}	1482	}
1225		1483
		1484	use File::Glob ();
		1485
1226	cf::player->attach (	1486	cf::player->attach (
1227	on_command => sub {	1487	on_unknown_command => sub {
1228	my ($pl, $name, $params) = @_;	1488	my ($pl, $name, $params) = @_;
1229		1489
1230	my $cb = $COMMAND{$name}	1490	my $cb = $COMMAND{$name}
1231	or return;	1491	or return;
1232		1492
…		…
1240	my ($pl, $buf) = @_;	1500	my ($pl, $buf) = @_;
1241		1501
1242	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1502	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1243		1503
1244	if (ref $msg) {	1504	if (ref $msg) {
1245	my ($type, $reply, @payload) =	1505	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1246	"ARRAY" eq ref $msg
1247	? @$msg
1248	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1249		1506
1250	my @reply;	1507	my @reply;
1251		1508
1252	if (my $cb = $EXTCMD{$type}) {	1509	if (my $cb = $EXTCMD{$type}) {
1253	@reply = $cb->($pl, @payload);	1510	@reply = $cb->($pl, @payload);
…		…
1255		1512
1256	$pl->ext_reply ($reply, @reply)	1513	$pl->ext_reply ($reply, @reply)
1257	if $reply;	1514	if $reply;
1258		1515
1259	} else {	1516	} else {
1260	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1517	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1261	}	1518	}
1262		1519
1263	cf::override;	1520	cf::override;
1264	},	1521	},
1265	);	1522	);
1266		1523
		1524	# "readahead" all extensions
		1525	sub cache_extensions {
		1526	my $grp = IO::AIO::aio_group;
		1527
		1528	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1529	for (grep /\.ext$/, @{$_[0]}) {
		1530	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1531	}
		1532	};
		1533
		1534	$grp
		1535	}
		1536
		1537	sub _ext_cfg_reg($$$$) {
		1538	my ($rvar, $varname, $cfgname, $default) = @_;
		1539
		1540	$cfgname = lc $varname
		1541	unless length $cfgname;
		1542
		1543	$EXT_CFG{$cfgname} = [$rvar, $default];
		1544
		1545	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1546	}
		1547
1267	sub load_extensions {	1548	sub load_extensions {
		1549	info "loading extensions...";
		1550
		1551	%EXT_CFG = ();
		1552
1268	cf::sync_job {	1553	cf::sync_job {
1269	my %todo;	1554	my %todo;
1270		1555
1271	for my $path (<$LIBDIR/*.ext>) {	1556	for my $path (<$LIBDIR/*.ext>) {
1272	next unless -r $path;	1557	next unless -r $path;
…		…
1290		1575
1291	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1576	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1292	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1577	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1293		1578
1294	$ext{source} =	1579	$ext{source} =
1295	"package $pkg; use strict; use utf8;\n"	1580	"package $pkg; use common::sense;\n"
1296	. "#line 1 \"$path\"\n{\n"	1581	. "#line 1 \"$path\"\n{\n"
1297	. $source	1582	. $source
1298	. "\n};\n1";	1583	. "\n};\n1";
1299		1584
1300	$todo{$base} = \%ext;	1585	$todo{$base} = \%ext;
1301	}	1586	}
1302		1587
		1588	my $pass = 0;
1303	my %done;	1589	my %done;
1304	while (%todo) {	1590	while (%todo) {
1305	my $progress;	1591	my $progress;
1306		1592
		1593	++$pass;
		1594
		1595	ext:
1307	while (my ($k, $v) = each %todo) {	1596	while (my ($k, $v) = each %todo) {
1308	for (split /,\s*/, $v->{meta}{depends}) {	1597	for (split /,\s*/, $v->{meta}{depends}) {
1309	goto skip	1598	next ext
1310	unless exists $done{$_};	1599	unless exists $done{$_};
1311	}	1600	}
1312		1601
1313	warn "... loading '$k' into '$v->{pkg}'\n";	1602	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1314		1603
1315	unless (eval $v->{source}) {	1604	my $source = $v->{source};
		1605
		1606	# support "CONF varname :confname = default" pseudo-statements
		1607	$source =~ s{
		1608	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1609	}{
		1610	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1611	}gmxe;
		1612
		1613	my $active = eval $source;
		1614
		1615	if (length $@) {
1316	my $msg = $@ ? "$v->{path}: $@\n"	1616	error "$v->{path}: $@\n";
1317	: "$v->{base}: extension inactive.\n";
1318		1617
		1618	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1319	if (exists $v->{meta}{mandatory}) {	1619	if exists $v->{meta}{mandatory};
1320	warn $msg;	1620
1321	warn "mandatory extension failed to load, exiting.\n";	1621	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1322	exit 1;	1622	delete $todo{$k};
1323	}	1623	} else {
1324		1624	$done{$k} = delete $todo{$k};
1325	warn $msg;	1625	push @EXTS, $v->{pkg};
		1626	$progress = 1;
		1627
		1628	info "$v->{base}: extension inactive.\n"
		1629	unless $active;
1326	}	1630	}
1327
1328	$done{$k} = delete $todo{$k};
1329	push @EXTS, $v->{pkg};
1330	$progress = 1;
1331	}	1631	}
1332		1632
1333	skip:	1633	unless ($progress) {
1334	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1634	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1335	unless $progress;	1635
		1636	while (my ($k, $v) = each %todo) {
		1637	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1638	if exists $v->{meta}{mandatory};
		1639	}
		1640
		1641	last;
		1642	}
1336	}	1643	}
1337	};	1644	};
1338	}	1645	}
1339		1646
1340	#############################################################################	1647	#############################################################################
1341		1648
1342	=back	1649	=back
1343		1650
1344	=head2 CORE EXTENSIONS	1651	=head2 CORE EXTENSIONS
1345		1652
1346	Functions and methods that extend core crossfire objects.	1653	Functions and methods that extend core deliantra objects.
1347		1654
1348	=cut	1655	=cut
1349		1656
1350	package cf::player;	1657	package cf::player;
1351		1658
…		…
1394		1701
1395	sub exists($) {	1702	sub exists($) {
1396	my ($login) = @_;	1703	my ($login) = @_;
1397		1704
1398	$cf::PLAYER{$login}	1705	$cf::PLAYER{$login}
1399	or cf::sync_job { !aio_stat path $login }	1706	or !aio_stat path $login
1400	}	1707	}
1401		1708
1402	sub find($) {	1709	sub find($) {
1403	return $cf::PLAYER{$_[0]} || do {	1710	return $cf::PLAYER{$_[0]} || do {
1404	my $login = $_[0];	1711	my $login = $_[0];
…		…
1416	my $f = new_from_file cf::object::thawer path $login	1723	my $f = new_from_file cf::object::thawer path $login
1417	or return;	1724	or return;
1418		1725
1419	my $pl = cf::player::load_pl $f	1726	my $pl = cf::player::load_pl $f
1420	or return;	1727	or return;
		1728
1421	local $cf::PLAYER_LOADING{$login} = $pl;	1729	local $cf::PLAYER_LOADING{$login} = $pl;
1422	$f->resolve_delayed_derefs;	1730	$f->resolve_delayed_derefs;
1423	$cf::PLAYER{$login} = $pl	1731	$cf::PLAYER{$login} = $pl
1424	}	1732	}
1425	}	1733	}
1426	}	1734	}
1427		1735
		1736	cf::player->attach (
		1737	on_load => sub {
		1738	my ($pl, $path) = @_;
		1739
		1740	# restore slots saved in save, below
		1741	my $slots = delete $pl->{_slots};
		1742
		1743	$pl->ob->current_weapon ($slots->[0]);
		1744	$pl->combat_ob ($slots->[1]);
		1745	$pl->ranged_ob ($slots->[2]);
		1746	},
		1747	);
		1748
1428	sub save($) {	1749	sub save($) {
1429	my ($pl) = @_;	1750	my ($pl) = @_;
1430		1751
1431	return if $pl->{deny_save};	1752	return if $pl->{deny_save};
1432		1753
…		…
1435		1756
1436	return if $pl->{deny_save};	1757	return if $pl->{deny_save};
1437		1758
1438	aio_mkdir playerdir $pl, 0770;	1759	aio_mkdir playerdir $pl, 0770;
1439	$pl->{last_save} = $cf::RUNTIME;	1760	$pl->{last_save} = $cf::RUNTIME;
		1761
		1762	cf::get_slot 0.01;
		1763
		1764	# save slots, to be restored later
		1765	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1440		1766
1441	$pl->save_pl ($path);	1767	$pl->save_pl ($path);
1442	cf::cede_to_tick;	1768	cf::cede_to_tick;
1443	}	1769	}
1444		1770
…		…
1476	my ($pl) = @_;	1802	my ($pl) = @_;
1477		1803
1478	my $name = $pl->ob->name;	1804	my $name = $pl->ob->name;
1479		1805
1480	$pl->{deny_save} = 1;	1806	$pl->{deny_save} = 1;
1481	$pl->password ("*"); # this should lock out the player until we nuked the dir	1807	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1482		1808
1483	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1809	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1484	$pl->deactivate;	1810	$pl->deactivate;
		1811
		1812	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1485	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1813	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1814	ext::highscore::check ($pl->ob);
		1815
1486	$pl->ns->destroy if $pl->ns;	1816	$pl->ns->destroy if $pl->ns;
1487		1817
1488	my $path = playerdir $pl;	1818	my $path = playerdir $pl;
1489	my $temp = "$path~$cf::RUNTIME~deleting~";	1819	my $temp = "$path~$cf::RUNTIME~deleting~";
1490	aio_rename $path, $temp;	1820	aio_rename $path, $temp;
…		…
1528		1858
1529	for my $login (@$dirs) {	1859	for my $login (@$dirs) {
1530	my $path = path $login;	1860	my $path = path $login;
1531		1861
1532	# a .pst is a dead give-away for a valid player	1862	# a .pst is a dead give-away for a valid player
1533	unless (-e "$path.pst") {	1863	# if no pst file found, open and chekc for blocked users
		1864	if (aio_stat "$path.pst") {
1534	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1865	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1535	aio_read $fh, 0, 512, my $buf, 0 or next;	1866	aio_read $fh, 0, 512, my $buf, 0 or next;
1536	$buf !~ /^password -------------$/m or next; # official not-valid tag	1867	$buf !~ /^password -------------$/m or next; # official not-valid tag
1537	}	1868	}
1538		1869
…		…
1542		1873
1543	\@logins	1874	\@logins
1544	}	1875	}
1545		1876
1546	=item $player->maps	1877	=item $player->maps
		1878
		1879	=item cf::player::maps $login
1547		1880
1548	Returns an arrayref of map paths that are private for this	1881	Returns an arrayref of map paths that are private for this
1549	player. May block.	1882	player. May block.
1550		1883
1551	=cut	1884	=cut
…		…
1569	}	1902	}
1570		1903
1571	\@paths	1904	\@paths
1572	}	1905	}
1573		1906
1574	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1907	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1575		1908
1576	Expand crossfire pod fragments into protocol xml.	1909	Expand deliantra pod fragments into protocol xml.
1577
1578	=cut
1579
1580	use re 'eval';
1581
1582	my $group;
1583	my $interior; $interior = qr{
1584	# match a pod interior sequence sans C<< >>
1585	(?:
1586	\ (.*?)\ (?{ $group = $^N })
1587	| < (??{$interior}) >
1588	)
1589	}x;
1590
1591	sub expand_cfpod {
1592	my ($self, $pod) = @_;
1593
1594	my $xml;
1595
1596	while () {
1597	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1598	$group = $1;
1599
1600	$group =~ s/&/&amp;/g;
1601	$group =~ s/</&lt;/g;
1602
1603	$xml .= $group;
1604	} elsif ($pod =~ m%\G
1605	([BCGHITU])
1606	<
1607	(?:
1608	([^<>]*) (?{ $group = $^N })
1609	| < $interior >
1610	)
1611	>
1612	%gcsx
1613	) {
1614	my ($code, $data) = ($1, $group);
1615
1616	if ($code eq "B") {
1617	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1618	} elsif ($code eq "I") {
1619	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1620	} elsif ($code eq "U") {
1621	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1622	} elsif ($code eq "C") {
1623	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1624	} elsif ($code eq "T") {
1625	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1626	} elsif ($code eq "G") {
1627	my ($male, $female) = split /\|/, $data;
1628	$data = $self->gender ? $female : $male;
1629	$xml .= expand_cfpod ($self, $data);
1630	} elsif ($code eq "H") {
1631	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1632	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1633	"")
1634	[$self->{hintmode}];
1635	} else {
1636	$xml .= "error processing '$code($data)' directive";
1637	}
1638	} else {
1639	if ($pod =~ /\G(.+)/) {
1640	warn "parse error while expanding $pod (at $1)";
1641	}
1642	last;
1643	}
1644	}
1645
1646	for ($xml) {
1647	# create single paragraphs (very hackish)
1648	s/(?<=\S)\n(?=\w)/ /g;
1649
1650	# compress some whitespace
1651	s/\s+\n/\n/g; # ws line-ends
1652	s/\n\n+/\n/g; # double lines
1653	s/^\n+//; # beginning lines
1654	s/\n+$//; # ending lines
1655	}
1656
1657	$xml
1658	}
1659
1660	no re 'eval';
1661
1662	sub hintmode {
1663	$_[0]{hintmode} = $_[1] if @_ > 1;
1664	$_[0]{hintmode}
1665	}
1666		1910
1667	=item $player->ext_reply ($msgid, @msg)	1911	=item $player->ext_reply ($msgid, @msg)
1668		1912
1669	Sends an ext reply to the player.	1913	Sends an ext reply to the player.
1670		1914
…		…
1702		1946
1703	=cut	1947	=cut
1704		1948
1705	sub find_by_path($) {	1949	sub find_by_path($) {
1706	my ($path) = @_;	1950	my ($path) = @_;
		1951
		1952	$path =~ s/^~[^\/]*//; # skip ~login
1707		1953
1708	my ($match, $specificity);	1954	my ($match, $specificity);
1709		1955
1710	for my $region (list) {	1956	for my $region (list) {
1711	if ($region->{match} && $path =~ $region->{match}) {	1957	if ($region->{match} && $path =~ $region->{match}) {
…		…
1737	our $MAX_RESET = 3600;	1983	our $MAX_RESET = 3600;
1738	our $DEFAULT_RESET = 3000;	1984	our $DEFAULT_RESET = 3000;
1739		1985
1740	sub generate_random_map {	1986	sub generate_random_map {
1741	my ($self, $rmp) = @_;	1987	my ($self, $rmp) = @_;
1742	# mit "rum" bekleckern, nicht	1988
		1989	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1990
1743	$self->_create_random_map (	1991	$self->_create_random_map ($rmp);
1744	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1745	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1746	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1747	$rmp->{exit_on_final_map},
1748	$rmp->{xsize}, $rmp->{ysize},
1749	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1750	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1751	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1752	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1753	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1754	(cf::region::find $rmp->{region}), $rmp->{custom}
1755	)
1756	}	1992	}
1757		1993
1758	=item cf::map->register ($regex, $prio)	1994	=item cf::map->register ($regex, $prio)
1759		1995
1760	Register a handler for the map path matching the given regex at the	1996	Register a handler for the map path matching the given regex at the
…		…
1765		2001
1766	sub register {	2002	sub register {
1767	my (undef, $regex, $prio) = @_;	2003	my (undef, $regex, $prio) = @_;
1768	my $pkg = caller;	2004	my $pkg = caller;
1769		2005
1770	no strict;
1771	push @{"$pkg\::ISA"}, __PACKAGE__;	2006	push @{"$pkg\::ISA"}, __PACKAGE__;
1772		2007
1773	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2008	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1774	}	2009	}
1775		2010
1776	# also paths starting with '/'	2011	# also paths starting with '/'
1777	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2012	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1778		2013
1779	sub thawer_merge {	2014	sub thawer_merge {
1780	my ($self, $merge) = @_;	2015	my ($self, $merge) = @_;
1781		2016
1782	# we have to keep some variables in memory intact	2017	# we have to keep some variables in memory intact
…		…
1787	}	2022	}
1788		2023
1789	sub normalise {	2024	sub normalise {
1790	my ($path, $base) = @_;	2025	my ($path, $base) = @_;
1791		2026
1792	$path = "$path"; # make sure its a string	2027	$path = "$path"; # make sure it's a string
1793		2028
1794	$path =~ s/\.map$//;	2029	$path =~ s/\.map$//;
1795		2030
1796	# map plan:	2031	# map plan:
1797	#	2032	#
…		…
1812	$base =~ s{[^/]+/?$}{};	2047	$base =~ s{[^/]+/?$}{};
1813	$path = "$base/$path";	2048	$path = "$base/$path";
1814	}	2049	}
1815		2050
1816	for ($path) {	2051	for ($path) {
1817	redo if s{//}{/};
1818	redo if s{/\.?/}{/};	2052	redo if s{/\.?/}{/};
1819	redo if s{/[^/]+/\.\./}{/};	2053	redo if s{/[^/]+/\.\./}{/};
1820	}	2054	}
1821		2055
1822	$path	2056	$path
…		…
1836	$self->init; # pass $1 etc.	2070	$self->init; # pass $1 etc.
1837	return $self;	2071	return $self;
1838	}	2072	}
1839	}	2073	}
1840		2074
1841	Carp::cluck "unable to resolve path '$path' (base '$base').";	2075	Carp::cluck "unable to resolve path '$path' (base '$base')";
1842	()	2076	()
1843	}	2077	}
1844		2078
		2079	# may re-bless or do other evil things
1845	sub init {	2080	sub init {
1846	my ($self) = @_;	2081	my ($self) = @_;
1847		2082
1848	$self	2083	$self
1849	}	2084	}
…		…
1868		2103
1869	# the temporary/swap location	2104	# the temporary/swap location
1870	sub save_path {	2105	sub save_path {
1871	my ($self) = @_;	2106	my ($self) = @_;
1872		2107
1873	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1874	"$TMPDIR/$path.map"	2109	"$TMPDIR/$path.map"
1875	}	2110	}
1876		2111
1877	# the unique path, undef == no special unique path	2112	# the unique path, undef == no special unique path
1878	sub uniq_path {	2113	sub uniq_path {
1879	my ($self) = @_;	2114	my ($self) = @_;
1880		2115
1881	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2116	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1882	"$UNIQUEDIR/$path"	2117	"$UNIQUEDIR/$path"
1883	}
1884
1885	# and all this just because we cannot iterate over
1886	# all maps in C++...
1887	sub change_all_map_light {
1888	my ($change) = @_;
1889
1890	$_->change_map_light ($change)
1891	for grep $_->outdoor, values %cf::MAP;
1892	}	2118	}
1893		2119
1894	sub decay_objects {	2120	sub decay_objects {
1895	my ($self) = @_;	2121	my ($self) = @_;
1896		2122
…		…
1923	$self->{load_path} = $path;	2149	$self->{load_path} = $path;
1924		2150
1925	1	2151	1
1926	}	2152	}
1927		2153
		2154	# used to laod the header of an original map
1928	sub load_header_orig {	2155	sub load_header_orig {
1929	my ($self) = @_;	2156	my ($self) = @_;
1930		2157
1931	$self->load_header_from ($self->load_path)	2158	$self->load_header_from ($self->load_path)
1932	}	2159	}
1933		2160
		2161	# used to laod the header of an instantiated map
1934	sub load_header_temp {	2162	sub load_header_temp {
1935	my ($self) = @_;	2163	my ($self) = @_;
1936		2164
1937	$self->load_header_from ($self->save_path)	2165	$self->load_header_from ($self->save_path)
1938	}	2166	}
1939		2167
		2168	# called after loading the header from an instantiated map
1940	sub prepare_temp {	2169	sub prepare_temp {
1941	my ($self) = @_;	2170	my ($self) = @_;
1942		2171
1943	$self->last_access ((delete $self->{last_access})	2172	$self->last_access ((delete $self->{last_access})
1944	|| $cf::RUNTIME); #d#	2173	|| $cf::RUNTIME); #d#
1945	# safety	2174	# safety
1946	$self->{instantiate_time} = $cf::RUNTIME	2175	$self->{instantiate_time} = $cf::RUNTIME
1947	if $self->{instantiate_time} > $cf::RUNTIME;	2176	if $self->{instantiate_time} > $cf::RUNTIME;
1948	}	2177	}
1949		2178
		2179	# called after loading the header from an original map
1950	sub prepare_orig {	2180	sub prepare_orig {
1951	my ($self) = @_;	2181	my ($self) = @_;
1952		2182
1953	$self->{load_original} = 1;	2183	$self->{load_original} = 1;
1954	$self->{instantiate_time} = $cf::RUNTIME;	2184	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1978		2208
1979	sub find;	2209	sub find;
1980	sub find {	2210	sub find {
1981	my ($path, $origin) = @_;	2211	my ($path, $origin) = @_;
1982		2212
		2213	cf::cede_to_tick;
		2214
1983	$path = normalise $path, $origin && $origin->path;	2215	$path = normalise $path, $origin;
1984		2216
1985	cf::lock_wait "map_data:$path";#d#remove	2217	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1986	cf::lock_wait "map_find:$path";	2218	my $guard2 = cf::lock_acquire "map_find:$path";
1987		2219
1988	$cf::MAP{$path} || do {	2220	$cf::MAP{$path} || do {
1989	my $guard1 = cf::lock_acquire "map_find:$path";
1990	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1991
1992	my $map = new_from_path cf::map $path	2221	my $map = new_from_path cf::map $path
1993	or return;	2222	or return;
1994		2223
1995	$map->{last_save} = $cf::RUNTIME;	2224	$map->{last_save} = $cf::RUNTIME;
1996		2225
…		…
1998	or return;	2227	or return;
1999		2228
2000	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2229	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2001	# doing this can freeze the server in a sync job, obviously	2230	# doing this can freeze the server in a sync job, obviously
2002	#$cf::WAIT_FOR_TICK->wait;	2231	#$cf::WAIT_FOR_TICK->wait;
		2232	undef $guard2;
2003	undef $guard1;	2233	undef $guard1;
2004	undef $guard2;
2005	$map->reset;	2234	$map->reset;
2006	return find $path;	2235	return find $path;
2007	}	2236	}
2008		2237
2009	$cf::MAP{$path} = $map	2238	$cf::MAP{$path} = $map
2010	}	2239	}
2011	}	2240	}
2012		2241
2013	sub pre_load { }	2242	sub pre_load { }
2014	sub post_load { }	2243	#sub post_load { } # XS
2015		2244
2016	sub load {	2245	sub load {
2017	my ($self) = @_;	2246	my ($self) = @_;
2018		2247
2019	local $self->{deny_reset} = 1; # loading can take a long time	2248	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2022		2251
2023	{	2252	{
2024	my $guard = cf::lock_acquire "map_data:$path";	2253	my $guard = cf::lock_acquire "map_data:$path";
2025		2254
2026	return unless $self->valid;	2255	return unless $self->valid;
2027	return unless $self->in_memory == cf::MAP_SWAPPED;	2256	return unless $self->state == cf::MAP_SWAPPED;
2028
2029	$self->in_memory (cf::MAP_LOADING);
2030		2257
2031	$self->alloc;	2258	$self->alloc;
2032		2259
2033	$self->pre_load;	2260	$self->pre_load;
2034	cf::cede_to_tick;	2261	cf::cede_to_tick;
2035		2262
		2263	if (exists $self->{load_path}) {
2036	my $f = new_from_file cf::object::thawer $self->{load_path};	2264	my $f = new_from_file cf::object::thawer $self->{load_path};
2037	$f->skip_block;	2265	$f->skip_block;
2038	$self->_load_objects ($f)	2266	$self->_load_objects ($f)
2039	or return;	2267	or return;
2040		2268
2041	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2269	$self->post_load_original
2042	if delete $self->{load_original};	2270	if delete $self->{load_original};
2043		2271
2044	if (my $uniq = $self->uniq_path) {	2272	if (my $uniq = $self->uniq_path) {
2045	utf8::encode $uniq;	2273	utf8::encode $uniq;
2046	unless (aio_stat $uniq) {	2274	unless (aio_stat $uniq) {
2047	if (my $f = new_from_file cf::object::thawer $uniq) {	2275	if (my $f = new_from_file cf::object::thawer $uniq) {
2048	$self->clear_unique_items;	2276	$self->clear_unique_items;
2049	$self->_load_objects ($f);	2277	$self->_load_objects ($f);
2050	$f->resolve_delayed_derefs;	2278	$f->resolve_delayed_derefs;
		2279	}
2051	}	2280	}
2052	}	2281	}
2053	}
2054		2282
2055	$f->resolve_delayed_derefs;	2283	$f->resolve_delayed_derefs;
		2284	} else {
		2285	$self->post_load_original
		2286	if delete $self->{load_original};
		2287	}
		2288
		2289	$self->state (cf::MAP_INACTIVE);
2056		2290
2057	cf::cede_to_tick;	2291	cf::cede_to_tick;
2058	# now do the right thing for maps	2292	# now do the right thing for maps
2059	$self->link_multipart_objects;	2293	$self->link_multipart_objects;
2060	$self->difficulty ($self->estimate_difficulty)	2294	$self->difficulty ($self->estimate_difficulty)
…		…
2064	unless ($self->{deny_activate}) {	2298	unless ($self->{deny_activate}) {
2065	$self->decay_objects;	2299	$self->decay_objects;
2066	$self->fix_auto_apply;	2300	$self->fix_auto_apply;
2067	$self->update_buttons;	2301	$self->update_buttons;
2068	cf::cede_to_tick;	2302	cf::cede_to_tick;
2069	$self->set_darkness_map;	2303	#$self->activate; # no longer activate maps automatically
2070	cf::cede_to_tick;
2071	$self->activate;
2072	}	2304	}
2073		2305
2074	$self->{last_save} = $cf::RUNTIME;	2306	$self->{last_save} = $cf::RUNTIME;
2075	$self->last_access ($cf::RUNTIME);	2307	$self->last_access ($cf::RUNTIME);
2076
2077	$self->in_memory (cf::MAP_IN_MEMORY);
2078	}	2308	}
2079		2309
2080	$self->post_load;	2310	$self->post_load;
2081	}
2082		2311
		2312	1
		2313	}
		2314
		2315	# customize the map for a given player, i.e.
		2316	# return the _real_ map. used by e.g. per-player
		2317	# maps to change the path to ~playername/mappath
2083	sub customise_for {	2318	sub customise_for {
2084	my ($self, $ob) = @_;	2319	my ($self, $ob) = @_;
2085		2320
2086	return find "~" . $ob->name . "/" . $self->{path}	2321	return find "~" . $ob->name . "/" . $self->{path}
2087	if $self->per_player;	2322	if $self->per_player;
…		…
2090	# if $self->per_party;	2325	# if $self->per_party;
2091		2326
2092	$self	2327	$self
2093	}	2328	}
2094		2329
2095	# find and load all maps in the 3x3 area around a map
2096	sub load_neighbours {
2097	my ($map) = @_;
2098
2099	my @neigh; # diagonal neighbours
2100
2101	for (0 .. 3) {
2102	my $neigh = $map->tile_path ($_)
2103	or next;
2104	$neigh = find $neigh, $map
2105	or next;
2106	$neigh->load;
2107
2108	push @neigh,
2109	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2110	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2111	}
2112
2113	for (grep defined $_->[0], @neigh) {
2114	my ($path, $origin) = @$_;
2115	my $neigh = find $path, $origin
2116	or next;
2117	$neigh->load;
2118	}
2119	}
2120
2121	sub find_sync {	2330	sub find_sync {
2122	my ($path, $origin) = @_;	2331	my ($path, $origin) = @_;
2123		2332
2124	cf::sync_job { find $path, $origin }	2333	# it's a bug to call this from the main context
		2334	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2335	if $Coro::current == $Coro::main;
		2336
		2337	find $path, $origin
2125	}	2338	}
2126		2339
2127	sub do_load_sync {	2340	sub do_load_sync {
2128	my ($map) = @_;	2341	my ($map) = @_;
2129		2342
		2343	# it's a bug to call this from the main context
2130	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2344	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2131	if $Coro::current == $Coro::main;	2345	if $Coro::current == $Coro::main;
2132		2346
2133	cf::sync_job { $map->load };	2347	$map->load;
2134	}	2348	}
2135		2349
2136	our %MAP_PREFETCH;	2350	our %MAP_PREFETCH;
2137	our $MAP_PREFETCHER = undef;	2351	our $MAP_PREFETCHER = undef;
2138		2352
2139	sub find_async {	2353	sub find_async {
2140	my ($path, $origin, $load) = @_;	2354	my ($path, $origin, $load) = @_;
2141		2355
2142	$path = normalise $path, $origin && $origin->{path};	2356	$path = normalise $path, $origin;
2143		2357
2144	if (my $map = $cf::MAP{$path}) {	2358	if (my $map = $cf::MAP{$path}) {
2145	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2359	return $map if !$load || $map->linkable;
2146	}	2360	}
2147		2361
2148	$MAP_PREFETCH{$path} |= $load;	2362	$MAP_PREFETCH{$path} |= $load;
2149		2363
2150	$MAP_PREFETCHER ||= cf::async {	2364	$MAP_PREFETCHER ||= cf::async {
…		…
2164	$MAP_PREFETCHER->prio (6);	2378	$MAP_PREFETCHER->prio (6);
2165		2379
2166	()	2380	()
2167	}	2381	}
2168		2382
		2383	# common code, used by both ->save and ->swapout
2169	sub save {	2384	sub _save {
2170	my ($self) = @_;	2385	my ($self) = @_;
2171
2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
2173		2386
2174	$self->{last_save} = $cf::RUNTIME;	2387	$self->{last_save} = $cf::RUNTIME;
2175		2388
2176	return unless $self->dirty;	2389	return unless $self->dirty;
2177		2390
…		…
2186		2399
2187	cf::async {	2400	cf::async {
2188	$Coro::current->{desc} = "map player save";	2401	$Coro::current->{desc} = "map player save";
2189	$_->contr->save for $self->players;	2402	$_->contr->save for $self->players;
2190	};	2403	};
		2404
		2405	cf::get_slot 0.02;
2191		2406
2192	if ($uniq) {	2407	if ($uniq) {
2193	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2408	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2194	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2409	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2195	} else {	2410	} else {
2196	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2411	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2197	}	2412	}
2198	}	2413	}
2199		2414
		2415	sub save {
		2416	my ($self) = @_;
		2417
		2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2419
		2420	$self->_save;
		2421	}
		2422
2200	sub swap_out {	2423	sub swap_out {
2201	my ($self) = @_;	2424	my ($self) = @_;
2202		2425
2203	# save first because save cedes
2204	$self->save;
2205
2206	my $lock = cf::lock_acquire "map_data:$self->{path}";	2426	my $lock = cf::lock_acquire "map_data:$self->{path}";
2207		2427
		2428	return if !$self->linkable;
		2429	return if $self->{deny_save};
2208	return if $self->players;	2430	return if $self->players;
2209	return if $self->in_memory != cf::MAP_IN_MEMORY;	2431
		2432	# first deactivate the map and "unlink" it from the core
		2433	$self->deactivate;
		2434	$_->clear_links_to ($self) for values %cf::MAP;
		2435	$self->state (cf::MAP_SWAPPED);
		2436
		2437	# then atomically save
		2438	$self->_save;
		2439
		2440	# then free the map
		2441	$self->clear;
		2442	}
		2443
		2444	sub reset_at {
		2445	my ($self) = @_;
		2446
		2447	# TODO: safety, remove and allow resettable per-player maps
2210	return if $self->{deny_save};	2448	return 1e99 if $self->{deny_reset};
2211		2449
		2450	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2451	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2452
		2453	$time + $to
		2454	}
		2455
		2456	sub should_reset {
		2457	my ($self) = @_;
		2458
		2459	$self->reset_at <= $cf::RUNTIME
		2460	}
		2461
		2462	sub reset {
		2463	my ($self) = @_;
		2464
		2465	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2466
		2467	return if $self->players;
		2468
		2469	cf::trace "resetting map ", $self->path, "\n";
		2470
2212	$self->in_memory (cf::MAP_SWAPPED);	2471	$self->state (cf::MAP_SWAPPED);
		2472
		2473	# need to save uniques path
		2474	unless ($self->{deny_save}) {
		2475	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2476
		2477	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2478	if $uniq;
		2479	}
		2480
		2481	delete $cf::MAP{$self->path};
2213		2482
2214	$self->deactivate;	2483	$self->deactivate;
2215	$_->clear_links_to ($self) for values %cf::MAP;	2484	$_->clear_links_to ($self) for values %cf::MAP;
2216	$self->clear;	2485	$self->clear;
2217	}
2218
2219	sub reset_at {
2220	my ($self) = @_;
2221
2222	# TODO: safety, remove and allow resettable per-player maps
2223	return 1e99 if $self->{deny_reset};
2224
2225	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2226	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2227
2228	$time + $to
2229	}
2230
2231	sub should_reset {
2232	my ($self) = @_;
2233
2234	$self->reset_at <= $cf::RUNTIME
2235	}
2236
2237	sub reset {
2238	my ($self) = @_;
2239
2240	my $lock = cf::lock_acquire "map_data:$self->{path}";
2241
2242	return if $self->players;
2243
2244	warn "resetting map ", $self->path;
2245
2246	$self->in_memory (cf::MAP_SWAPPED);
2247
2248	# need to save uniques path
2249	unless ($self->{deny_save}) {
2250	my $uniq = $self->uniq_path; utf8::encode $uniq;
2251
2252	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2253	if $uniq;
2254	}
2255
2256	delete $cf::MAP{$self->path};
2257
2258	$self->deactivate;
2259	$_->clear_links_to ($self) for values %cf::MAP;
2260	$self->clear;
2261		2486
2262	$self->unlink_save;	2487	$self->unlink_save;
2263	$self->destroy;	2488	$self->destroy;
2264	}	2489	}
2265		2490
…		…
2273		2498
2274	delete $cf::MAP{$self->path};	2499	delete $cf::MAP{$self->path};
2275		2500
2276	$self->unlink_save;	2501	$self->unlink_save;
2277		2502
2278	bless $self, "cf::map";	2503	bless $self, "cf::map::wrap";
2279	delete $self->{deny_reset};	2504	delete $self->{deny_reset};
2280	$self->{deny_save} = 1;	2505	$self->{deny_save} = 1;
2281	$self->reset_timeout (1);	2506	$self->reset_timeout (1);
2282	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2507	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2283		2508
…		…
2332		2557
2333	sub unique_maps() {	2558	sub unique_maps() {
2334	[	2559	[
2335	map {	2560	map {
2336	utf8::decode $_;	2561	utf8::decode $_;
2337	/\.map$/	2562	s/\.map$//; # TODO future compatibility hack
		2563	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2564	? ()
2338	? normalise $_	2565	: normalise $_
2339	: ()
2340	} @{ aio_readdir $UNIQUEDIR or [] }	2566	} @{ aio_readdir $UNIQUEDIR or [] }
2341	]	2567	]
2342	}	2568	}
2343		2569
2344	package cf;	2570	=item cf::map::static_maps
		2571
		2572	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2573	file in the shared directory excluding F</styles> and F</editor>). May
		2574	block.
		2575
		2576	=cut
		2577
		2578	sub static_maps() {
		2579	my @dirs = "";
		2580	my @maps;
		2581
		2582	while (@dirs) {
		2583	my $dir = shift @dirs;
		2584
		2585	next if $dir eq "/styles" || $dir eq "/editor";
		2586
		2587	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2588	or return;
		2589
		2590	for (@$files) {
		2591	s/\.map$// or next;
		2592	utf8::decode $_;
		2593	push @maps, "$dir/$_";
		2594	}
		2595
		2596	push @dirs, map "$dir/$_", @$dirs;
		2597	}
		2598
		2599	\@maps
		2600	}
2345		2601
2346	=back	2602	=back
2347		2603
2348	=head3 cf::object	2604	=head3 cf::object
2349		2605
…		…
2353		2609
2354	=over 4	2610	=over 4
2355		2611
2356	=item $ob->inv_recursive	2612	=item $ob->inv_recursive
2357		2613
2358	Returns the inventory of the object _and_ their inventories, recursively.	2614	Returns the inventory of the object I<and> their inventories, recursively,
		2615	but I<not> the object itself.
2359		2616
2360	=cut	2617	=cut
2361		2618
2362	sub inv_recursive_;	2619	sub inv_recursive_;
2363	sub inv_recursive_ {	2620	sub inv_recursive_ {
…		…
2368	inv_recursive_ inv $_[0]	2625	inv_recursive_ inv $_[0]
2369	}	2626	}
2370		2627
2371	=item $ref = $ob->ref	2628	=item $ref = $ob->ref
2372		2629
2373	creates and returns a persistent reference to an objetc that can be stored as a string.	2630	Creates and returns a persistent reference to an object that can be stored as a string.
2374		2631
2375	=item $ob = cf::object::deref ($refstring)	2632	=item $ob = cf::object::deref ($refstring)
2376		2633
2377	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2634	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2378	even if the object actually exists. May block.	2635	even if the object actually exists. May block.
…		…
2410	can be C<undef>. Does the right thing when the player is currently in a	2667	can be C<undef>. Does the right thing when the player is currently in a
2411	dialogue with the given NPC character.	2668	dialogue with the given NPC character.
2412		2669
2413	=cut	2670	=cut
2414		2671
		2672	our $SAY_CHANNEL = {
		2673	id => "say",
		2674	title => "Map",
		2675	reply => "say ",
		2676	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2677	};
		2678
		2679	our $CHAT_CHANNEL = {
		2680	id => "chat",
		2681	title => "Chat",
		2682	reply => "chat ",
		2683	tooltip => "Player chat and shouts, global to the server.",
		2684	};
		2685
2415	# rough implementation of a future "reply" method that works	2686	# rough implementation of a future "reply" method that works
2416	# with dialog boxes.	2687	# with dialog boxes.
2417	#TODO: the first argument must go, split into a $npc->reply_to ( method	2688	#TODO: the first argument must go, split into a $npc->reply_to ( method
2418	sub cf::object::player::reply($$$;$) {	2689	sub cf::object::player::reply($$$;$) {
2419	my ($self, $npc, $msg, $flags) = @_;	2690	my ($self, $npc, $msg, $flags) = @_;
…		…
2430	my $dialog = $pl->{npc_dialog};	2701	my $dialog = $pl->{npc_dialog};
2431	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2702	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2432		2703
2433	} else {	2704	} else {
2434	$msg = $npc->name . " says: $msg" if $npc;	2705	$msg = $npc->name . " says: $msg" if $npc;
2435	$self->message ($msg, $flags);	2706	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2436	}	2707	}
2437	}	2708	}
2438	}	2709	}
2439		2710
2440	=item $object->send_msg ($channel, $msg, $color, [extra...])	2711	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2465		2736
2466	=item $player_object->enter_link	2737	=item $player_object->enter_link
2467		2738
2468	Freezes the player and moves him/her to a special map (C<{link}>).	2739	Freezes the player and moves him/her to a special map (C<{link}>).
2469		2740
2470	The player should be reasonably safe there for short amounts of time. You	2741	The player should be reasonably safe there for short amounts of time (e.g.
2471	I<MUST> call C<leave_link> as soon as possible, though.	2742	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2743	though, as the player cannot control the character while it is on the link
		2744	map.
2472		2745
2473	Will never block.	2746	Will never block.
2474		2747
2475	=item $player_object->leave_link ($map, $x, $y)	2748	=item $player_object->leave_link ($map, $x, $y)
2476		2749
…		…
2496	sub cf::object::player::enter_link {	2769	sub cf::object::player::enter_link {
2497	my ($self) = @_;	2770	my ($self) = @_;
2498		2771
2499	$self->deactivate_recursive;	2772	$self->deactivate_recursive;
2500		2773
		2774	++$self->{_link_recursion};
		2775
2501	return if UNIVERSAL::isa $self->map, "ext::map_link";	2776	return if UNIVERSAL::isa $self->map, "ext::map_link";
2502		2777
2503	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2504	if $self->map && $self->map->{path} ne "{link}";	2779	if $self->map && $self->map->{path} ne "{link}";
2505		2780
2506	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2781	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2507	}	2782	}
2508		2783
2509	sub cf::object::player::leave_link {	2784	sub cf::object::player::leave_link {
2510	my ($self, $map, $x, $y) = @_;	2785	my ($self, $map, $x, $y) = @_;
2511		2786
…		…
2528	($x, $y) = (-1, -1)	2803	($x, $y) = (-1, -1)
2529	unless (defined $x) && (defined $y);	2804	unless (defined $x) && (defined $y);
2530		2805
2531	# use -1 or undef as default coordinates, not 0, 0	2806	# use -1 or undef as default coordinates, not 0, 0
2532	($x, $y) = ($map->enter_x, $map->enter_y)	2807	($x, $y) = ($map->enter_x, $map->enter_y)
2533	if $x <=0 && $y <= 0;	2808	if $x <= 0 && $y <= 0;
2534		2809
2535	$map->load;	2810	$map->load;
2536	$map->load_neighbours;
2537		2811
2538	return unless $self->contr->active;	2812	return unless $self->contr->active;
2539	$self->activate_recursive;
2540		2813
2541	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2814	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2542	$self->enter_map ($map, $x, $y);	2815	if ($self->enter_map ($map, $x, $y)) {
2543	}	2816	# entering was successful
		2817	delete $self->{_link_recursion};
		2818	# only activate afterwards, to support waiting in hooks
		2819	$self->activate_recursive;
		2820	}
2544		2821
		2822	}
		2823
2545	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2824	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2546		2825
2547	Moves the player to the given map-path and coordinates by first freezing	2826	Moves the player to the given map-path and coordinates by first freezing
2548	her, loading and preparing them map, calling the provided $check callback	2827	her, loading and preparing them map, calling the provided $check callback
2549	that has to return the map if sucecssful, and then unfreezes the player on	2828	that has to return the map if sucecssful, and then unfreezes the player on
2550	the new (success) or old (failed) map position. In either case, $done will	2829	the new (success) or old (failed) map position. In either case, $done will
2551	be called at the end of this process.	2830	be called at the end of this process.
2552		2831
		2832	Note that $check will be called with a potentially non-loaded map, so if
		2833	it needs a loaded map it has to call C<< ->load >>.
		2834
2553	=cut	2835	=cut
2554		2836
2555	our $GOTOGEN;	2837	our $GOTOGEN;
2556		2838
2557	sub cf::object::player::goto {	2839	sub cf::object::player::goto {
2558	my ($self, $path, $x, $y, $check, $done) = @_;	2840	my ($self, $path, $x, $y, $check, $done) = @_;
		2841
		2842	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2843	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2844	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2845	($path, $x, $y) = @$EMERGENCY_POSITION;
		2846	}
2559		2847
2560	# do generation counting so two concurrent goto's will be executed in-order	2848	# do generation counting so two concurrent goto's will be executed in-order
2561	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2849	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2562		2850
2563	$self->enter_link;	2851	$self->enter_link;
…		…
2583	($path, $x, $y) = (undef, undef, undef);	2871	($path, $x, $y) = (undef, undef, undef);
2584	}	2872	}
2585	}	2873	}
2586		2874
2587	my $map = eval {	2875	my $map = eval {
2588	my $map = defined $path ? cf::map::find $path : undef;	2876	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2589		2877
2590	if ($map) {	2878	if ($map) {
2591	$map = $map->customise_for ($self);	2879	$map = $map->customise_for ($self);
2592	$map = $check->($map) if $check && $map;	2880	$map = $check->($map, $x, $y, $self) if $check && $map;
2593	} else {	2881	} else {
2594	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2882	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2595	}	2883	}
2596		2884
2597	$map	2885	$map
…		…
2605	if ($gen == $self->{_goto_generation}) {	2893	if ($gen == $self->{_goto_generation}) {
2606	delete $self->{_goto_generation};	2894	delete $self->{_goto_generation};
2607	$self->leave_link ($map, $x, $y);	2895	$self->leave_link ($map, $x, $y);
2608	}	2896	}
2609		2897
2610	$done->() if $done;	2898	$done->($self) if $done;
2611	})->prio (1);	2899	})->prio (1);
2612	}	2900	}
2613		2901
2614	=item $player_object->enter_exit ($exit_object)	2902	=item $player_object->enter_exit ($exit_object)
2615		2903
…		…
2635	}	2923	}
2636		2924
2637	sub prepare_random_map {	2925	sub prepare_random_map {
2638	my ($exit) = @_;	2926	my ($exit) = @_;
2639		2927
2640	my $guard = cf::lock_acquire "exit_prepare:$exit";
2641
2642	# all this does is basically replace the /! path by	2928	# all this does is basically replace the /! path by
2643	# a new random map path (?random/...) with a seed	2929	# a new random map path (?random/...) with a seed
2644	# that depends on the exit object	2930	# that depends on the exit object
2645		2931
2646	my $rmp = parse_random_map_params $exit->msg;	2932	my $rmp = parse_random_map_params $exit->msg;
…		…
2648	if ($exit->map) {	2934	if ($exit->map) {
2649	$rmp->{region} = $exit->region->name;	2935	$rmp->{region} = $exit->region->name;
2650	$rmp->{origin_map} = $exit->map->path;	2936	$rmp->{origin_map} = $exit->map->path;
2651	$rmp->{origin_x} = $exit->x;	2937	$rmp->{origin_x} = $exit->x;
2652	$rmp->{origin_y} = $exit->y;	2938	$rmp->{origin_y} = $exit->y;
		2939
		2940	$exit->map->touch;
2653	}	2941	}
2654		2942
2655	$rmp->{random_seed} ||= $exit->random_seed;	2943	$rmp->{random_seed} ||= $exit->random_seed;
2656		2944
2657	my $data = cf::encode_json $rmp;	2945	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2658	my $md5 = Digest::MD5::md5_hex $data;	2946	my $md5 = Digest::MD5::md5_hex $data;
2659	my $meta = "$RANDOMDIR/$md5.meta";	2947	my $meta = "$RANDOMDIR/$md5.meta";
2660		2948
2661	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2949	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2662	aio_write $fh, 0, (length $data), $data, 0;	2950	aio_write $fh, 0, (length $data), $data, 0;
2663	undef $fh;	2951	undef $fh;
2664	aio_rename "$meta~", $meta;	2952	aio_rename "$meta~", $meta;
2665		2953
		2954	my $slaying = "?random/$md5";
		2955
		2956	if ($exit->valid) {
2666	$exit->slaying ("?random/$md5");	2957	$exit->slaying ("?random/$md5");
2667	$exit->msg (undef);	2958	$exit->msg (undef);
		2959	}
2668	}	2960	}
2669	}	2961	}
2670		2962
2671	sub cf::object::player::enter_exit {	2963	sub cf::object::player::enter_exit {
2672	my ($self, $exit) = @_;	2964	my ($self, $exit) = @_;
2673		2965
2674	return unless $self->type == cf::PLAYER;	2966	return unless $self->type == cf::PLAYER;
2675		2967
2676	if ($exit->slaying eq "/!") {
2677	#TODO: this should de-fi-ni-te-ly not be a sync-job
2678	# the problem is that $exit might not survive long enough
2679	# so it needs to be done right now, right here
2680	cf::sync_job { prepare_random_map $exit };
2681	}
2682
2683	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2684	my $hp = $exit->stats->hp;
2685	my $sp = $exit->stats->sp;
2686
2687	$self->enter_link;	2968	$self->enter_link;
2688		2969
2689	# if exit is damned, update players death & WoR home-position
2690	$self->contr->savebed ($slaying, $hp, $sp)
2691	if $exit->flag (FLAG_DAMNED);
2692
2693	(async {	2970	(async {
2694	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2971	$Coro::current->{desc} = "enter_exit";
2695		2972
2696	$self->deactivate_recursive; # just to be sure
2697	unless (eval {	2973	unless (eval {
		2974	$self->deactivate_recursive; # just to be sure
		2975
		2976	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2977	my $x = $exit->stats->hp;
		2978	my $y = $exit->stats->sp;
		2979
		2980	# special map handling
		2981	my $slaying = $exit->slaying;
		2982
		2983	# special map handling
		2984	if ($slaying eq "/!") {
		2985	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2986
		2987	prepare_random_map $exit
		2988	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2989
		2990	$map = $exit->slaying;
		2991
		2992	} elsif ($slaying eq '!up') {
		2993	$map = $exit->map->tile_path (cf::TILE_UP);
		2994	$x = $exit->x;
		2995	$y = $exit->y;
		2996
		2997	} elsif ($slaying eq '!down') {
		2998	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2999	$x = $exit->x;
		3000	$y = $exit->y;
		3001	}
		3002
2698	$self->goto ($slaying, $hp, $sp);	3003	$self->goto ($map, $x, $y);
2699		3004
		3005	# if exit is damned, update players death & WoR home-position
		3006	$self->contr->savebed ($map, $x, $y)
		3007	if $exit->flag (cf::FLAG_DAMNED);
		3008
2700	1;	3009	1
2701	}) {	3010	}) {
2702	$self->message ("Something went wrong deep within the crossfire server. "	3011	$self->message ("Something went wrong deep within the deliantra server. "
2703	. "I'll try to bring you back to the map you were before. "	3012	. "I'll try to bring you back to the map you were before. "
2704	. "Please report this to the dungeon master!",	3013	. "Please report this to the dungeon master!",
2705	cf::NDI_UNIQUE | cf::NDI_RED);	3014	cf::NDI_UNIQUE | cf::NDI_RED);
2706		3015
2707	warn "ERROR in enter_exit: $@";	3016	error "ERROR in enter_exit: $@";
2708	$self->leave_link;	3017	$self->leave_link;
2709	}	3018	}
2710	})->prio (1);	3019	})->prio (1);
2711	}	3020	}
2712		3021
…		…
2724	sub cf::client::send_drawinfo {	3033	sub cf::client::send_drawinfo {
2725	my ($self, $text, $flags) = @_;	3034	my ($self, $text, $flags) = @_;
2726		3035
2727	utf8::encode $text;	3036	utf8::encode $text;
2728	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3037	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3038	}
		3039
		3040	=item $client->send_big_packet ($pkt)
		3041
		3042	Like C<send_packet>, but tries to compress large packets, and fragments
		3043	them as required.
		3044
		3045	=cut
		3046
		3047	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3048
		3049	sub cf::client::send_big_packet {
		3050	my ($self, $pkt) = @_;
		3051
		3052	# try lzf for large packets
		3053	$pkt = "lzf " . Compress::LZF::compress $pkt
		3054	if 1024 <= length $pkt and $self->{can_lzf};
		3055
		3056	# split very large packets
		3057	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3058	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3059	$pkt = "frag";
		3060	}
		3061
		3062	$self->send_packet ($pkt);
2729	}	3063	}
2730		3064
2731	=item $client->send_msg ($channel, $msg, $color, [extra...])	3065	=item $client->send_msg ($channel, $msg, $color, [extra...])
2732		3066
2733	Send a drawinfo or msg packet to the client, formatting the msg for the	3067	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2737		3071
2738	=cut	3072	=cut
2739		3073
2740	# non-persistent channels (usually the info channel)	3074	# non-persistent channels (usually the info channel)
2741	our %CHANNEL = (	3075	our %CHANNEL = (
		3076	"c/motd" => {
		3077	id => "infobox",
		3078	title => "MOTD",
		3079	reply => undef,
		3080	tooltip => "The message of the day",
		3081	},
2742	"c/identify" => {	3082	"c/identify" => {
2743	id => "infobox",	3083	id => "infobox",
2744	title => "Identify",	3084	title => "Identify",
2745	reply => undef,	3085	reply => undef,
2746	tooltip => "Items recently identified",	3086	tooltip => "Items recently identified",
…		…
2748	"c/examine" => {	3088	"c/examine" => {
2749	id => "infobox",	3089	id => "infobox",
2750	title => "Examine",	3090	title => "Examine",
2751	reply => undef,	3091	reply => undef,
2752	tooltip => "Signs and other items you examined",	3092	tooltip => "Signs and other items you examined",
		3093	},
		3094	"c/shopinfo" => {
		3095	id => "infobox",
		3096	title => "Shop Info",
		3097	reply => undef,
		3098	tooltip => "What your bargaining skill tells you about the shop",
2753	},	3099	},
2754	"c/book" => {	3100	"c/book" => {
2755	id => "infobox",	3101	id => "infobox",
2756	title => "Book",	3102	title => "Book",
2757	reply => undef,	3103	reply => undef,
…		…
2773	id => "infobox",	3119	id => "infobox",
2774	title => "Body Parts",	3120	title => "Body Parts",
2775	reply => undef,	3121	reply => undef,
2776	tooltip => "Shows which body parts you posess and are available",	3122	tooltip => "Shows which body parts you posess and are available",
2777	},	3123	},
		3124	"c/statistics" => {
		3125	id => "infobox",
		3126	title => "Statistics",
		3127	reply => undef,
		3128	tooltip => "Shows your primary statistics",
		3129	},
		3130	"c/skills" => {
		3131	id => "infobox",
		3132	title => "Skills",
		3133	reply => undef,
		3134	tooltip => "Shows your experience per skill and item power",
		3135	},
		3136	"c/shopitems" => {
		3137	id => "infobox",
		3138	title => "Shop Items",
		3139	reply => undef,
		3140	tooltip => "Shows the items currently for sale in this shop",
		3141	},
		3142	"c/resistances" => {
		3143	id => "infobox",
		3144	title => "Resistances",
		3145	reply => undef,
		3146	tooltip => "Shows your resistances",
		3147	},
		3148	"c/pets" => {
		3149	id => "infobox",
		3150	title => "Pets",
		3151	reply => undef,
		3152	tooltip => "Shows information abotu your pets/a specific pet",
		3153	},
		3154	"c/perceiveself" => {
		3155	id => "infobox",
		3156	title => "Perceive Self",
		3157	reply => undef,
		3158	tooltip => "You gained detailed knowledge about yourself",
		3159	},
2778	"c/uptime" => {	3160	"c/uptime" => {
2779	id => "infobox",	3161	id => "infobox",
2780	title => "Uptime",	3162	title => "Uptime",
2781	reply => undef,	3163	reply => undef,
2782	tooltip => "How long the server has been running since last restart",	3164	tooltip => "How long the server has been running since last restart",
…		…
2785	id => "infobox",	3167	id => "infobox",
2786	title => "Map Info",	3168	title => "Map Info",
2787	reply => undef,	3169	reply => undef,
2788	tooltip => "Information related to the maps",	3170	tooltip => "Information related to the maps",
2789	},	3171	},
		3172	"c/party" => {
		3173	id => "party",
		3174	title => "Party",
		3175	reply => "gsay ",
		3176	tooltip => "Messages and chat related to your party",
		3177	},
		3178	"c/death" => {
		3179	id => "death",
		3180	title => "Death",
		3181	reply => undef,
		3182	tooltip => "Reason for and more info about your most recent death",
		3183	},
		3184	"c/say" => $SAY_CHANNEL,
		3185	"c/chat" => $CHAT_CHANNEL,
2790	);	3186	);
2791		3187
2792	sub cf::client::send_msg {	3188	sub cf::client::send_msg {
2793	my ($self, $channel, $msg, $color, @extra) = @_;	3189	my ($self, $channel, $msg, $color, @extra) = @_;
2794		3190
2795	$msg = $self->pl->expand_cfpod ($msg);	3191	$msg = $self->pl->expand_cfpod ($msg)
		3192	unless $color & cf::NDI_VERBATIM;
2796		3193
2797	$color &= cf::NDI_CLIENT_MASK; # just in case...	3194	$color &= cf::NDI_CLIENT_MASK; # just in case...
2798		3195
2799	# check predefined channels, for the benefit of C	3196	# check predefined channels, for the benefit of C
2800	if ($CHANNEL{$channel}) {	3197	if ($CHANNEL{$channel}) {
2801	$channel = $CHANNEL{$channel};	3198	$channel = $CHANNEL{$channel};
2802		3199
2803	$self->ext_msg (channel_info => $channel)	3200	$self->ext_msg (channel_info => $channel);
2804	if $self->can_msg;
2805
2806	$channel = $channel->{id};	3201	$channel = $channel->{id};
2807		3202
2808	} elsif (ref $channel) {	3203	} elsif (ref $channel) {
2809	# send meta info to client, if not yet sent	3204	# send meta info to client, if not yet sent
2810	unless (exists $self->{channel}{$channel->{id}}) {	3205	unless (exists $self->{channel}{$channel->{id}}) {
2811	$self->{channel}{$channel->{id}} = $channel;	3206	$self->{channel}{$channel->{id}} = $channel;
2812	$self->ext_msg (channel_info => $channel)	3207	$self->ext_msg (channel_info => $channel);
2813	if $self->can_msg;
2814	}	3208	}
2815		3209
2816	$channel = $channel->{id};	3210	$channel = $channel->{id};
2817	}	3211	}
2818		3212
2819	return unless @extra || length $msg;	3213	return unless @extra || length $msg;
2820		3214
2821	if ($self->can_msg) {
2822	# default colour, mask it out	3215	# default colour, mask it out
2823	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3216	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2824	if $color & cf::NDI_DEF;	3217	if $color & cf::NDI_DEF;
2825		3218
2826	$self->send_packet ("msg " . $self->{json_coder}->encode (	3219	my $pkt = "msg "
		3220	. $self->{json_coder}->encode (
2827	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3221	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2828	} else {	3222	);
2829	if ($color >= 0) {
2830	# replace some tags by gcfclient-compatible ones
2831	for ($msg) {
2832	1 while
2833	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2834	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2835	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2836	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2837	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2838	}
2839		3223
2840	$color &= cf::NDI_COLOR_MASK;	3224	$self->send_big_packet ($pkt);
2841
2842	utf8::encode $msg;
2843
2844	if (0 && $msg =~ /\[/) {
2845	# COMMAND/INFO
2846	$self->send_packet ("drawextinfo $color 10 8 $msg")
2847	} else {
2848	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2849	$self->send_packet ("drawinfo $color $msg")
2850	}
2851	}
2852	}
2853	}	3225	}
2854		3226
2855	=item $client->ext_msg ($type, @msg)	3227	=item $client->ext_msg ($type, @msg)
2856		3228
2857	Sends an ext event to the client.	3229	Sends an ext event to the client.
…		…
2860		3232
2861	sub cf::client::ext_msg($$@) {	3233	sub cf::client::ext_msg($$@) {
2862	my ($self, $type, @msg) = @_;	3234	my ($self, $type, @msg) = @_;
2863		3235
2864	if ($self->extcmd == 2) {	3236	if ($self->extcmd == 2) {
2865	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3237	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2866	} elsif ($self->extcmd == 1) { # TODO: remove	3238	} elsif ($self->extcmd == 1) { # TODO: remove
2867	push @msg, msgtype => "event_$type";	3239	push @msg, msgtype => "event_$type";
2868	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3240	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2869	}	3241	}
2870	}	3242	}
2871		3243
2872	=item $client->ext_reply ($msgid, @msg)	3244	=item $client->ext_reply ($msgid, @msg)
2873		3245
…		…
2876	=cut	3248	=cut
2877		3249
2878	sub cf::client::ext_reply($$@) {	3250	sub cf::client::ext_reply($$@) {
2879	my ($self, $id, @msg) = @_;	3251	my ($self, $id, @msg) = @_;
2880		3252
2881	if ($self->extcmd == 2) {	3253	return unless $self->extcmd == 2;
		3254
2882	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3255	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2883	} elsif ($self->extcmd == 1) {
2884	#TODO: version 1, remove
2885	unshift @msg, msgtype => "reply", msgid => $id;
2886	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2887	}
2888	}	3256	}
2889		3257
2890	=item $success = $client->query ($flags, "text", \&cb)	3258	=item $success = $client->query ($flags, "text", \&cb)
2891		3259
2892	Queues a query to the client, calling the given callback with	3260	Queues a query to the client, calling the given callback with
…		…
2947	my ($ns, $buf) = @_;	3315	my ($ns, $buf) = @_;
2948		3316
2949	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3317	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2950		3318
2951	if (ref $msg) {	3319	if (ref $msg) {
2952	my ($type, $reply, @payload) =	3320	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2953	"ARRAY" eq ref $msg
2954	? @$msg
2955	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2956		3321
2957	my @reply;	3322	my @reply;
2958		3323
2959	if (my $cb = $EXTICMD{$type}) {	3324	if (my $cb = $EXTICMD{$type}) {
2960	@reply = $cb->($ns, @payload);	3325	@reply = $cb->($ns, @payload);
…		…
2962		3327
2963	$ns->ext_reply ($reply, @reply)	3328	$ns->ext_reply ($reply, @reply)
2964	if $reply;	3329	if $reply;
2965		3330
2966	} else {	3331	} else {
2967	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3332	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2968	}	3333	}
2969		3334
2970	cf::override;	3335	cf::override;
2971	},	3336	},
2972	);	3337	);
…		…
2992		3357
2993	$coro	3358	$coro
2994	}	3359	}
2995		3360
2996	cf::client->attach (	3361	cf::client->attach (
2997	on_destroy => sub {	3362	on_client_destroy => sub {
2998	my ($ns) = @_;	3363	my ($ns) = @_;
2999		3364
3000	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3365	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3001	},	3366	},
3002	);	3367	);
…		…
3018	our $safe_hole = new Safe::Hole;	3383	our $safe_hole = new Safe::Hole;
3019		3384
3020	$SIG{FPE} = 'IGNORE';	3385	$SIG{FPE} = 'IGNORE';
3021		3386
3022	$safe->permit_only (Opcode::opset qw(	3387	$safe->permit_only (Opcode::opset qw(
3023	:base_core :base_mem :base_orig :base_math	3388	:base_core :base_mem :base_orig :base_math :base_loop
3024	grepstart grepwhile mapstart mapwhile	3389	grepstart grepwhile mapstart mapwhile
3025	sort time	3390	sort time
3026	));	3391	));
3027		3392
3028	# here we export the classes and methods available to script code	3393	# here we export the classes and methods available to script code
…		…
3031		3396
3032	The following functions and methods are available within a safe environment:	3397	The following functions and methods are available within a safe environment:
3033		3398
3034	cf::object	3399	cf::object
3035	contr pay_amount pay_player map x y force_find force_add destroy	3400	contr pay_amount pay_player map x y force_find force_add destroy
3036	insert remove name archname title slaying race decrease_ob_nr	3401	insert remove name archname title slaying race decrease split
		3402	value
3037		3403
3038	cf::object::player	3404	cf::object::player
3039	player	3405	player
3040		3406
3041	cf::player	3407	cf::player
…		…
3046		3412
3047	=cut	3413	=cut
3048		3414
3049	for (	3415	for (
3050	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3416	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3051	insert remove inv name archname title slaying race	3417	insert remove inv nrof name archname title slaying race
3052	decrease_ob_nr destroy)],	3418	decrease split destroy change_exp value msg lore send_msg)],
3053	["cf::object::player" => qw(player)],	3419	["cf::object::player" => qw(player)],
3054	["cf::player" => qw(peaceful)],	3420	["cf::player" => qw(peaceful send_msg)],
3055	["cf::map" => qw(trigger)],	3421	["cf::map" => qw(trigger)],
3056	) {	3422	) {
3057	no strict 'refs';
3058	my ($pkg, @funs) = @$_;	3423	my ($pkg, @funs) = @$_;
3059	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3424	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3060	for @funs;	3425	for @funs;
3061	}	3426	}
3062		3427
…		…
3077		3442
3078	my $qcode = $code;	3443	my $qcode = $code;
3079	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3444	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3080	$qcode =~ s/\n/\\n/g;	3445	$qcode =~ s/\n/\\n/g;
3081		3446
		3447	%vars = (_dummy => 0) unless %vars;
		3448
		3449	my @res;
3082	local $_;	3450	local $_;
3083	local @safe::cf::_safe_eval_args = values %vars;
3084		3451
3085	my $eval =	3452	my $eval =
3086	"do {\n"	3453	"do {\n"
3087	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3454	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3088	. "#line 0 \"{$qcode}\"\n"	3455	. "#line 0 \"{$qcode}\"\n"
3089	. $code	3456	. $code
3090	. "\n}"	3457	. "\n}"
3091	;	3458	;
3092		3459
		3460	if ($CFG{safe_eval}) {
3093	sub_generation_inc;	3461	sub_generation_inc;
		3462	local @safe::cf::_safe_eval_args = values %vars;
3094	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3463	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3095	sub_generation_inc;	3464	sub_generation_inc;
		3465	} else {
		3466	local @cf::_safe_eval_args = values %vars;
		3467	@res = wantarray ? eval eval : scalar eval $eval;
		3468	}
3096		3469
3097	if ($@) {	3470	if ($@) {
3098	warn "$@";	3471	warn "$@",
3099	warn "while executing safe code '$code'\n";	3472	"while executing safe code '$code'\n",
3100	warn "with arguments " . (join " ", %vars) . "\n";	3473	"with arguments " . (join " ", %vars) . "\n";
3101	}	3474	}
3102		3475
3103	wantarray ? @res : $res[0]	3476	wantarray ? @res : $res[0]
3104	}	3477	}
3105		3478
…		…
3119	=cut	3492	=cut
3120		3493
3121	sub register_script_function {	3494	sub register_script_function {
3122	my ($fun, $cb) = @_;	3495	my ($fun, $cb) = @_;
3123		3496
3124	no strict 'refs';	3497	$fun = "safe::$fun" if $CFG{safe_eval};
3125	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3498	*$fun = $safe_hole->wrap ($cb);
3126	}	3499	}
3127		3500
3128	=back	3501	=back
3129		3502
3130	=cut	3503	=cut
3131		3504
3132	#############################################################################	3505	#############################################################################
3133	# the server's init and main functions	3506	# the server's init and main functions
		3507
		3508	our %FACEHASH; # hash => idx, #d# HACK for http server
3134		3509
3135	sub load_facedata($) {	3510	sub load_facedata($) {
3136	my ($path) = @_;	3511	my ($path) = @_;
3137		3512
3138	# HACK to clear player env face cache, we need some signal framework	3513	# HACK to clear player env face cache, we need some signal framework
3139	# for this (global event?)	3514	# for this (global event?)
3140	%ext::player_env::MUSIC_FACE_CACHE = ();	3515	%ext::player_env::MUSIC_FACE_CACHE = ();
3141		3516
3142	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3517	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3143		3518
3144	warn "loading facedata from $path\n";	3519	trace "loading facedata from $path\n";
3145		3520
3146	my $facedata;	3521	my $facedata = decode_storable load_file $path;
3147	0 < aio_load $path, $facedata
3148	or die "$path: $!";
3149
3150	$facedata = Coro::Storable::thaw $facedata;
3151		3522
3152	$facedata->{version} == 2	3523	$facedata->{version} == 2
3153	or cf::cleanup "$path: version mismatch, cannot proceed.";	3524	or cf::cleanup "$path: version mismatch, cannot proceed.";
3154		3525
3155	# patch in the exptable	3526	# patch in the exptable
		3527	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3156	$facedata->{resource}{"res/exp_table"} = {	3528	$facedata->{resource}{"res/exp_table"} = {
3157	type => FT_RSRC,	3529	type => FT_RSRC,
3158	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3530	data => $exp_table,
		3531	hash => (Digest::MD5::md5 $exp_table),
3159	};	3532	};
3160	cf::cede_to_tick;	3533	cf::cede_to_tick;
3161		3534
3162	{	3535	{
3163	my $faces = $facedata->{faceinfo};	3536	my $faces = $facedata->{faceinfo};
3164		3537
3165	while (my ($face, $info) = each %$faces) {	3538	for my $face (sort keys %$faces) {
		3539	my $info = $faces->{$face};
3166	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3540	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3167		3541
3168	cf::face::set_visibility $idx, $info->{visibility};	3542	cf::face::set_visibility $idx, $info->{visibility};
3169	cf::face::set_magicmap $idx, $info->{magicmap};	3543	cf::face::set_magicmap $idx, $info->{magicmap};
3170	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3544	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3171	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3545	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3546	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3547	$FACEHASH{$info->{hash64}} = $idx;#d#
3172		3548
3173	cf::cede_to_tick;	3549	cf::cede_to_tick;
3174	}	3550	}
3175		3551
3176	while (my ($face, $info) = each %$faces) {	3552	while (my ($face, $info) = each %$faces) {
…		…
3181		3557
3182	if (my $smooth = cf::face::find $info->{smooth}) {	3558	if (my $smooth = cf::face::find $info->{smooth}) {
3183	cf::face::set_smooth $idx, $smooth;	3559	cf::face::set_smooth $idx, $smooth;
3184	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3560	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3185	} else {	3561	} else {
3186	warn "smooth face '$info->{smooth}' not found for face '$face'";	3562	error "smooth face '$info->{smooth}' not found for face '$face'";
3187	}	3563	}
3188		3564
3189	cf::cede_to_tick;	3565	cf::cede_to_tick;
3190	}	3566	}
3191	}	3567	}
…		…
3200		3576
3201	cf::anim::invalidate_all; # d'oh	3577	cf::anim::invalidate_all; # d'oh
3202	}	3578	}
3203		3579
3204	{	3580	{
3205	# TODO: for gcfclient pleasure, we should give resources
3206	# that gcfclient doesn't grok a >10000 face index.
3207	my $res = $facedata->{resource};	3581	my $res = $facedata->{resource};
3208		3582
3209	while (my ($name, $info) = each %$res) {	3583	while (my ($name, $info) = each %$res) {
3210	if (defined $info->{type}) {	3584	if (defined (my $type = $info->{type})) {
		3585	# TODO: different hash - must free and use new index, or cache ixface data queue
3211	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3586	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3212	my $data;
3213		3587
3214	if ($info->{type} & 1) {	3588	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3215	# prepend meta info
3216
3217	my $meta = $enc->encode ({
3218	name => $name,
3219	%{ $info->{meta} || {} },
3220	});
3221
3222	$data = pack "(w/a*)*", $meta, $info->{data};
3223	} else {
3224	$data = $info->{data};
3225	}
3226
3227	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3228	cf::face::set_type $idx, $info->{type};	3589	cf::face::set_type $idx, $type;
		3590	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3591	$FACEHASH{$info->{hash}} = $idx;#d#
3229	} else {	3592	} else {
3230	$RESOURCE{$name} = $info;	3593	# $RESOURCE{$name} = $info; # unused
3231	}	3594	}
3232		3595
3233	cf::cede_to_tick;	3596	cf::cede_to_tick;
3234	}	3597	}
3235	}	3598	}
3236		3599
3237	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3600	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3238		3601
3239	1	3602	1
3240	}	3603	}
3241
3242	cf::global->attach (on_resource_update => sub {
3243	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3244	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3245
3246	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3247	my $sound = $soundconf->{compat}[$_]
3248	or next;
3249
3250	my $face = cf::face::find "sound/$sound->[1]";
3251	cf::sound::set $sound->[0] => $face;
3252	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3253	}
3254
3255	while (my ($k, $v) = each %{$soundconf->{event}}) {
3256	my $face = cf::face::find "sound/$v";
3257	cf::sound::set $k => $face;
3258	}
3259	}
3260	});
3261		3604
3262	register_exticmd fx_want => sub {	3605	register_exticmd fx_want => sub {
3263	my ($ns, $want) = @_;	3606	my ($ns, $want) = @_;
3264		3607
3265	while (my ($k, $v) = each %$want) {	3608	while (my ($k, $v) = each %$want) {
3266	$ns->fx_want ($k, $v);	3609	$ns->fx_want ($k, $v);
3267	}	3610	}
3268	};	3611	};
		3612
		3613	sub load_resource_file($) {
		3614	my $guard = lock_acquire "load_resource_file";
		3615
		3616	my $status = load_resource_file_ $_[0];
		3617	get_slot 0.1, 100;
		3618	cf::arch::commit_load;
		3619
		3620	$status
		3621	}
3269		3622
3270	sub reload_regions {	3623	sub reload_regions {
3271	# HACK to clear player env face cache, we need some signal framework	3624	# HACK to clear player env face cache, we need some signal framework
3272	# for this (global event?)	3625	# for this (global event?)
3273	%ext::player_env::MUSIC_FACE_CACHE = ();	3626	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3287	}	3640	}
3288		3641
3289	sub reload_archetypes {	3642	sub reload_archetypes {
3290	load_resource_file "$DATADIR/archetypes"	3643	load_resource_file "$DATADIR/archetypes"
3291	or die "unable to load archetypes\n";	3644	or die "unable to load archetypes\n";
3292	#d# NEED to laod twice to resolve forward references
3293	# this really needs to be done in an extra post-pass
3294	# (which needs to be synchronous, so solve it differently)
3295	load_resource_file "$DATADIR/archetypes"
3296	or die "unable to load archetypes\n";
3297	}	3645	}
3298		3646
3299	sub reload_treasures {	3647	sub reload_treasures {
3300	load_resource_file "$DATADIR/treasures"	3648	load_resource_file "$DATADIR/treasures"
3301	or die "unable to load treasurelists\n";	3649	or die "unable to load treasurelists\n";
3302	}	3650	}
3303		3651
		3652	sub reload_sound {
		3653	trace "loading sound config from $DATADIR/sound\n";
		3654
		3655	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3656
		3657	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3658	my $sound = $soundconf->{compat}[$_]
		3659	or next;
		3660
		3661	my $face = cf::face::find "sound/$sound->[1]";
		3662	cf::sound::set $sound->[0] => $face;
		3663	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3664	}
		3665
		3666	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3667	my $face = cf::face::find "sound/$v";
		3668	cf::sound::set $k => $face;
		3669	}
		3670	}
		3671
3304	sub reload_resources {	3672	sub reload_resources {
3305	warn "reloading resource files...\n";	3673	trace "reloading resource files...\n";
3306		3674
		3675	reload_exp_table;
		3676	reload_materials;
		3677	reload_facedata;
		3678	reload_sound;
		3679	reload_archetypes;
3307	reload_regions;	3680	reload_regions;
3308	reload_facedata;
3309	#reload_archetypes;#d#
3310	reload_archetypes;
3311	reload_treasures;	3681	reload_treasures;
3312		3682
3313	warn "finished reloading resource files\n";	3683	trace "finished reloading resource files\n";
3314	}
3315
3316	sub init {
3317	reload_resources;
3318	}	3684	}
3319		3685
3320	sub reload_config {	3686	sub reload_config {
3321	open my $fh, "<:utf8", "$CONFDIR/config"	3687	trace "reloading config file...\n";
3322	or return;
3323		3688
3324	local $/;	3689	my $config = load_file "$CONFDIR/config";
3325	*CFG = YAML::Load <$fh>;	3690	utf8::decode $config;
		3691	*CFG = decode_yaml $config;
3326		3692
3327	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3693	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3328		3694
3329	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3695	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3330	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3696	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3331		3697
3332	if (exists $CFG{mlockall}) {	3698	if (exists $CFG{mlockall}) {
…		…
3336	};	3702	};
3337	warn $@ if $@;	3703	warn $@ if $@;
3338	}	3704	}
3339	}	3705	}
3340		3706
		3707	sub pidfile() {
		3708	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3709	or die "$PIDFILE: $!";
		3710	flock $fh, &Fcntl::LOCK_EX
		3711	or die "$PIDFILE: flock: $!";
		3712	$fh
		3713	}
		3714
		3715	# make sure only one server instance is running at any one time
		3716	sub atomic {
		3717	my $fh = pidfile;
		3718
		3719	my $pid = <$fh>;
		3720	kill 9, $pid if $pid > 0;
		3721
		3722	seek $fh, 0, 0;
		3723	print $fh $$;
		3724	}
		3725
		3726	sub main_loop {
		3727	trace "EV::loop starting\n";
		3728	if (1) {
		3729	EV::loop;
		3730	}
		3731	trace "EV::loop returned\n";
		3732	goto &main_loop unless $REALLY_UNLOOP;
		3733	}
		3734
3341	sub main {	3735	sub main {
		3736	cf::init_globals; # initialise logging
		3737
		3738	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3739	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3740	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3741	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3742
		3743	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3744
3342	# we must not ever block the main coroutine	3745	# we must not ever block the main coroutine
3343	local $Coro::idle = sub {	3746	local $Coro::idle = sub {
3344	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3747	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3345	(async {	3748	(async {
3346	$Coro::current->{desc} = "IDLE BUG HANDLER";	3749	$Coro::current->{desc} = "IDLE BUG HANDLER";
3347	EV::loop EV::LOOP_ONESHOT;	3750	EV::loop EV::LOOP_ONESHOT;
3348	})->prio (Coro::PRIO_MAX);	3751	})->prio (Coro::PRIO_MAX);
3349	};	3752	};
3350		3753
		3754	evthread_start IO::AIO::poll_fileno;
		3755
		3756	cf::sync_job {
		3757	cf::incloader::init ();
		3758
		3759	cf::init_anim;
		3760	cf::init_attackmess;
		3761	cf::init_dynamic;
		3762
		3763	cf::load_settings;
		3764
		3765	reload_resources;
3351	reload_config;	3766	reload_config;
3352	db_init;	3767	db_init;
		3768
		3769	cf::init_uuid;
		3770	cf::init_signals;
		3771	cf::init_skills;
		3772
		3773	cf::init_beforeplay;
		3774
		3775	atomic;
		3776
3353	load_extensions;	3777	load_extensions;
3354		3778
3355	$TICK_WATCHER->start;	3779	utime time, time, $RUNTIMEFILE;
3356	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3780
3357	EV::loop;	3781	# no (long-running) fork's whatsoever before this point(!)
		3782	use POSIX ();
		3783	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3784
		3785	cf::_post_init 0;
		3786	};
		3787
		3788	cf::object::thawer::errors_are_fatal 0;
		3789	info "parse errors in files are no longer fatal from this point on.\n";
		3790
		3791	AE::postpone {
		3792	undef &main; # free gobs of memory :)
		3793	};
		3794
		3795	goto &main_loop;
3358	}	3796	}
3359		3797
3360	#############################################################################	3798	#############################################################################
3361	# initialisation and cleanup	3799	# initialisation and cleanup
3362		3800
3363	# install some emergency cleanup handlers	3801	# install some emergency cleanup handlers
3364	BEGIN {	3802	BEGIN {
3365	our %SIGWATCHER = ();	3803	our %SIGWATCHER = ();
3366	for my $signal (qw(INT HUP TERM)) {	3804	for my $signal (qw(INT HUP TERM)) {
3367	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3805	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3368	cf::cleanup "SIG$signal";	3806	cf::cleanup "SIG$signal";
3369	};	3807	};
3370	}	3808	}
3371	}	3809	}
3372		3810
3373	sub write_runtime {	3811	sub write_runtime_sync {
3374	my $runtime = "$LOCALDIR/runtime";	3812	my $t0 = AE::time;
3375		3813
3376	# first touch the runtime file to show we are still running:	3814	# first touch the runtime file to show we are still running:
3377	# the fsync below can take a very very long time.	3815	# the fsync below can take a very very long time.
3378		3816
3379	IO::AIO::aio_utime $runtime, undef, undef;	3817	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3380		3818
3381	my $guard = cf::lock_acquire "write_runtime";	3819	my $guard = cf::lock_acquire "write_runtime";
3382		3820
3383	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3821	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3384	or return;	3822	or return;
3385		3823
3386	my $value = $cf::RUNTIME + 90 + 10;	3824	my $value = $cf::RUNTIME + 90 + 10;
3387	# 10 is the runtime save interval, for a monotonic clock	3825	# 10 is the runtime save interval, for a monotonic clock
3388	# 60 allows for the watchdog to kill the server.	3826	# 60 allows for the watchdog to kill the server.
…		…
3398	aio_utime $fh, undef, undef;	3836	aio_utime $fh, undef, undef;
3399		3837
3400	close $fh	3838	close $fh
3401	or return;	3839	or return;
3402		3840
3403	aio_rename "$runtime~", $runtime	3841	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3404	and return;	3842	and return;
3405		3843
3406	warn "runtime file written.\n";	3844	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3407		3845
3408	1	3846	1
		3847	}
		3848
		3849	our $uuid_lock;
		3850	our $uuid_skip;
		3851
		3852	sub write_uuid_sync($) {
		3853	$uuid_skip ||= $_[0];
		3854
		3855	return if $uuid_lock;
		3856	local $uuid_lock = 1;
		3857
		3858	my $uuid = "$LOCALDIR/uuid";
		3859
		3860	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3861	or return;
		3862
		3863	my $value = uuid_seq uuid_cur;
		3864
		3865	unless ($value) {
		3866	info "cowardly refusing to write zero uuid value!\n";
		3867	return;
		3868	}
		3869
		3870	my $value = uuid_str $value + $uuid_skip;
		3871	$uuid_skip = 0;
		3872
		3873	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3874	and return;
		3875
		3876	# always fsync - this file is important
		3877	aio_fsync $fh
		3878	and return;
		3879
		3880	close $fh
		3881	or return;
		3882
		3883	aio_rename "$uuid~", $uuid
		3884	and return;
		3885
		3886	trace "uuid file written ($value).\n";
		3887
		3888	1
		3889
		3890	}
		3891
		3892	sub write_uuid($$) {
		3893	my ($skip, $sync) = @_;
		3894
		3895	$sync ? write_uuid_sync $skip
		3896	: async { write_uuid_sync $skip };
3409	}	3897	}
3410		3898
3411	sub emergency_save() {	3899	sub emergency_save() {
3412	my $freeze_guard = cf::freeze_mainloop;	3900	my $freeze_guard = cf::freeze_mainloop;
3413		3901
3414	warn "enter emergency perl save\n";	3902	info "emergency_perl_save: enter\n";
		3903
		3904	# this is a trade-off: we want to be very quick here, so
		3905	# save all maps without fsync, and later call a global sync
		3906	# (which in turn might be very very slow)
		3907	local $USE_FSYNC = 0;
3415		3908
3416	cf::sync_job {	3909	cf::sync_job {
		3910	cf::write_runtime_sync; # external watchdog should not bark
		3911
3417	# use a peculiar iteration method to avoid tripping on perl	3912	# use a peculiar iteration method to avoid tripping on perl
3418	# refcount bugs in for. also avoids problems with players	3913	# refcount bugs in for. also avoids problems with players
3419	# and maps saved/destroyed asynchronously.	3914	# and maps saved/destroyed asynchronously.
3420	warn "begin emergency player save\n";	3915	info "emergency_perl_save: begin player save\n";
3421	for my $login (keys %cf::PLAYER) {	3916	for my $login (keys %cf::PLAYER) {
3422	my $pl = $cf::PLAYER{$login} or next;	3917	my $pl = $cf::PLAYER{$login} or next;
3423	$pl->valid or next;	3918	$pl->valid or next;
3424	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3919	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3425	$pl->save;	3920	$pl->save;
3426	}	3921	}
3427	warn "end emergency player save\n";	3922	info "emergency_perl_save: end player save\n";
3428		3923
3429	warn "begin emergency map save\n";	3924	cf::write_runtime_sync; # external watchdog should not bark
		3925
		3926	info "emergency_perl_save: begin map save\n";
3430	for my $path (keys %cf::MAP) {	3927	for my $path (keys %cf::MAP) {
3431	my $map = $cf::MAP{$path} or next;	3928	my $map = $cf::MAP{$path} or next;
3432	$map->valid or next;	3929	$map->valid or next;
3433	$map->save;	3930	$map->save;
3434	}	3931	}
3435	warn "end emergency map save\n";	3932	info "emergency_perl_save: end map save\n";
3436		3933
3437	warn "begin emergency database checkpoint\n";	3934	cf::write_runtime_sync; # external watchdog should not bark
		3935
		3936	info "emergency_perl_save: begin database checkpoint\n";
3438	BDB::db_env_txn_checkpoint $DB_ENV;	3937	BDB::db_env_txn_checkpoint $DB_ENV;
3439	warn "end emergency database checkpoint\n";	3938	info "emergency_perl_save: end database checkpoint\n";
		3939
		3940	info "emergency_perl_save: begin write uuid\n";
		3941	write_uuid_sync 1;
		3942	info "emergency_perl_save: end write uuid\n";
		3943
		3944	cf::write_runtime_sync; # external watchdog should not bark
		3945
		3946	trace "emergency_perl_save: syncing database to disk";
		3947	BDB::db_env_txn_checkpoint $DB_ENV;
		3948
		3949	info "emergency_perl_save: starting sync\n";
		3950	IO::AIO::aio_sync sub {
		3951	info "emergency_perl_save: finished sync\n";
		3952	};
		3953
		3954	cf::write_runtime_sync; # external watchdog should not bark
		3955
		3956	trace "emergency_perl_save: flushing outstanding aio requests";
		3957	while (IO::AIO::nreqs || BDB::nreqs) {
		3958	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3959	}
		3960
		3961	cf::write_runtime_sync; # external watchdog should not bark
3440	};	3962	};
3441		3963
3442	warn "leave emergency perl save\n";	3964	info "emergency_perl_save: leave\n";
3443	}	3965	}
3444		3966
3445	sub post_cleanup {	3967	sub post_cleanup {
3446	my ($make_core) = @_;	3968	my ($make_core) = @_;
3447		3969
		3970	IO::AIO::flush;
		3971
3448	warn Carp::longmess "post_cleanup backtrace"	3972	error Carp::longmess "post_cleanup backtrace"
3449	if $make_core;	3973	if $make_core;
		3974
		3975	my $fh = pidfile;
		3976	unlink $PIDFILE if <$fh> == $$;
		3977	}
		3978
		3979	# a safer delete_package, copied from Symbol
		3980	sub clear_package($) {
		3981	my $pkg = shift;
		3982
		3983	# expand to full symbol table name if needed
		3984	unless ($pkg =~ /^main::.*::$/) {
		3985	$pkg = "main$pkg" if $pkg =~ /^::/;
		3986	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3987	$pkg .= '::' unless $pkg =~ /::$/;
		3988	}
		3989
		3990	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3991	my $stem_symtab = *{$stem}{HASH};
		3992
		3993	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3994	or return;
		3995
		3996	# clear all symbols
		3997	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3998	for my $name (keys %$leaf_symtab) {
		3999	_gv_clear *{"$pkg$name"};
		4000	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4001	}
3450	}	4002	}
3451		4003
3452	sub do_reload_perl() {	4004	sub do_reload_perl() {
3453	# can/must only be called in main	4005	# can/must only be called in main
3454	if ($Coro::current != $Coro::main) {	4006	unless (in_main) {
3455	warn "can only reload from main coroutine";	4007	error "can only reload from main coroutine";
3456	return;	4008	return;
3457	}	4009	}
3458		4010
3459	warn "reloading...";	4011	return if $RELOAD++;
3460		4012
3461	warn "entering sync_job";	4013	my $t1 = AE::time;
3462		4014
		4015	while ($RELOAD) {
		4016	cf::get_slot 0.1, -1, "reload_perl";
		4017	info "perl_reload: reloading...";
		4018
		4019	trace "perl_reload: entering sync_job";
		4020
3463	cf::sync_job {	4021	cf::sync_job {
3464	cf::write_runtime; # external watchdog should not bark
3465	cf::emergency_save;	4022	#cf::emergency_save;
3466	cf::write_runtime; # external watchdog should not bark
3467		4023
3468	warn "syncing database to disk";
3469	BDB::db_env_txn_checkpoint $DB_ENV;
3470
3471	# if anything goes wrong in here, we should simply crash as we already saved
3472
3473	warn "flushing outstanding aio requests";
3474	for (;;) {
3475	BDB::flush;
3476	IO::AIO::flush;
3477	Coro::cede_notself;
3478	last unless IO::AIO::nreqs || BDB::nreqs;
3479	warn "iterate...";
3480	}
3481
3482	++$RELOAD;
3483
3484	warn "cancelling all extension coros";	4024	trace "perl_reload: cancelling all extension coros";
3485	$_->cancel for values %EXT_CORO;	4025	$_->cancel for values %EXT_CORO;
3486	%EXT_CORO = ();	4026	%EXT_CORO = ();
3487		4027
3488	warn "removing commands";	4028	trace "perl_reload: removing commands";
3489	%COMMAND = ();	4029	%COMMAND = ();
3490		4030
3491	warn "removing ext/exti commands";	4031	trace "perl_reload: removing ext/exti commands";
3492	%EXTCMD = ();	4032	%EXTCMD = ();
3493	%EXTICMD = ();	4033	%EXTICMD = ();
3494		4034
3495	warn "unloading/nuking all extensions";	4035	trace "perl_reload: unloading/nuking all extensions";
3496	for my $pkg (@EXTS) {	4036	for my $pkg (@EXTS) {
3497	warn "... unloading $pkg";	4037	trace "... unloading $pkg";
3498		4038
3499	if (my $cb = $pkg->can ("unload")) {	4039	if (my $cb = $pkg->can ("unload")) {
3500	eval {	4040	eval {
3501	$cb->($pkg);	4041	$cb->($pkg);
3502	1	4042	1
3503	} or warn "$pkg unloaded, but with errors: $@";	4043	} or error "$pkg unloaded, but with errors: $@";
		4044	}
		4045
		4046	trace "... clearing $pkg";
		4047	clear_package $pkg;
3504	}	4048	}
3505		4049
3506	warn "... nuking $pkg";
3507	Symbol::delete_package $pkg;
3508	}
3509
3510	warn "unloading all perl modules loaded from $LIBDIR";	4050	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3511	while (my ($k, $v) = each %INC) {	4051	while (my ($k, $v) = each %INC) {
3512	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4052	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3513		4053
3514	warn "... unloading $k";	4054	trace "... unloading $k";
3515	delete $INC{$k};	4055	delete $INC{$k};
3516		4056
3517	$k =~ s/\.pm$//;	4057	$k =~ s/\.pm$//;
3518	$k =~ s/\//::/g;	4058	$k =~ s/\//::/g;
3519		4059
3520	if (my $cb = $k->can ("unload_module")) {	4060	if (my $cb = $k->can ("unload_module")) {
3521	$cb->();	4061	$cb->();
		4062	}
		4063
		4064	clear_package $k;
3522	}	4065	}
3523		4066
3524	Symbol::delete_package $k;
3525	}
3526
3527	warn "getting rid of safe::, as good as possible";	4067	trace "perl_reload: getting rid of safe::, as good as possible";
3528	Symbol::delete_package "safe::$_"	4068	clear_package "safe::$_"
3529	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4069	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3530		4070
3531	warn "unloading cf.pm \"a bit\"";	4071	trace "perl_reload: unloading cf.pm \"a bit\"";
3532	delete $INC{"cf.pm"};	4072	delete $INC{"cf.pm"};
3533	delete $INC{"cf/pod.pm"};	4073	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3534		4074
3535	# don't, removes xs symbols, too,	4075	# don't, removes xs symbols, too,
3536	# and global variables created in xs	4076	# and global variables created in xs
3537	#Symbol::delete_package __PACKAGE__;	4077	#clear_package __PACKAGE__;
3538		4078
3539	warn "unload completed, starting to reload now";	4079	info "perl_reload: unload completed, starting to reload now";
3540		4080
3541	warn "reloading cf.pm";	4081	trace "perl_reload: reloading cf.pm";
3542	require cf;	4082	require cf;
3543	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4083	cf::_connect_to_perl_1;
3544		4084
3545	warn "loading config and database again";	4085	trace "perl_reload: loading config and database again";
3546	cf::reload_config;	4086	cf::reload_config;
3547		4087
3548	warn "loading extensions";	4088	trace "perl_reload: loading extensions";
3549	cf::load_extensions;	4089	cf::load_extensions;
3550		4090
		4091	if ($REATTACH_ON_RELOAD) {
3551	warn "reattaching attachments to objects/players";	4092	trace "perl_reload: reattaching attachments to objects/players";
3552	_global_reattach; # objects, sockets	4093	_global_reattach; # objects, sockets
3553	warn "reattaching attachments to maps";	4094	trace "perl_reload: reattaching attachments to maps";
3554	reattach $_ for values %MAP;	4095	reattach $_ for values %MAP;
3555	warn "reattaching attachments to players";	4096	trace "perl_reload: reattaching attachments to players";
3556	reattach $_ for values %PLAYER;	4097	reattach $_ for values %PLAYER;
		4098	}
3557		4099
3558	warn "leaving sync_job";	4100	cf::_post_init 1;
3559		4101
		4102	trace "perl_reload: leaving sync_job";
		4103
3560	1	4104	1
3561	} or do {	4105	} or do {
3562	warn $@;	4106	error $@;
3563	warn "error while reloading, exiting.";	4107	cf::cleanup "perl_reload: error, exiting.";
3564	exit 1;	4108	};
		4109
		4110	--$RELOAD;
3565	};	4111	}
3566		4112
3567	warn "reloaded";	4113	$t1 = AE::time - $t1;
		4114	info "perl_reload: completed in ${t1}s\n";
3568	};	4115	};
3569		4116
3570	our $RELOAD_WATCHER; # used only during reload	4117	our $RELOAD_WATCHER; # used only during reload
3571		4118
3572	sub reload_perl() {	4119	sub reload_perl() {
3573	# doing reload synchronously and two reloads happen back-to-back,	4120	# doing reload synchronously and two reloads happen back-to-back,
3574	# coro crashes during coro_state_free->destroy here.	4121	# coro crashes during coro_state_free->destroy here.
3575		4122
		4123	$RELOAD_WATCHER ||= cf::async {
		4124	Coro::AIO::aio_wait cache_extensions;
		4125
3576	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4126	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3577	do_reload_perl;	4127	do_reload_perl;
3578	undef $RELOAD_WATCHER;	4128	undef $RELOAD_WATCHER;
		4129	};
3579	};	4130	};
3580	}	4131	}
3581		4132
3582	register_command "reload" => sub {	4133	register_command "reload" => sub {
3583	my ($who, $arg) = @_;	4134	my ($who, $arg) = @_;
…		…
3589	reload_perl;	4140	reload_perl;
3590	};	4141	};
3591	}	4142	}
3592	};	4143	};
3593		4144
3594	unshift @INC, $LIBDIR;	4145	#############################################################################
3595		4146
3596	my $bug_warning = 0;	4147	my $bug_warning = 0;
3597		4148
3598	our @WAIT_FOR_TICK;
3599	our @WAIT_FOR_TICK_BEGIN;
3600
3601	sub wait_for_tick {	4149	sub wait_for_tick() {
3602	return unless $TICK_WATCHER->is_active;	4150	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3603	return if $Coro::current == $Coro::main;
3604		4151
3605	my $signal = new Coro::Signal;	4152	$WAIT_FOR_TICK->wait;
3606	push @WAIT_FOR_TICK, $signal;
3607	$signal->wait;
3608	}	4153	}
3609		4154
3610	sub wait_for_tick_begin {	4155	sub wait_for_tick_begin() {
3611	return unless $TICK_WATCHER->is_active;	4156	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3612	return if $Coro::current == $Coro::main;
3613		4157
3614	my $signal = new Coro::Signal;	4158	my $signal = new Coro::Signal;
3615	push @WAIT_FOR_TICK_BEGIN, $signal;	4159	push @WAIT_FOR_TICK_BEGIN, $signal;
3616	$signal->wait;	4160	$signal->wait;
3617	}	4161	}
3618		4162
3619	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {	4163	sub tick {
3620	if ($Coro::current != $Coro::main) {	4164	if ($Coro::current != $Coro::main) {
3621	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4165	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3622	unless ++$bug_warning > 10;	4166	unless ++$bug_warning > 10;
3623	return;	4167	return;
3624	}	4168	}
3625		4169
3626	$NOW = $tick_start = EV::now;	4170	cf::one_tick; # one server iteration
3627		4171
3628	cf::server_tick; # one server iteration	4172	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3629
3630	$RUNTIME += $TICK;
3631	$NEXT_TICK = $_[0]->at;
3632		4173
3633	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4174	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3634	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4175	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3635	Coro::async_pool {	4176	Coro::async_pool {
3636	$Coro::current->{desc} = "runtime saver";	4177	$Coro::current->{desc} = "runtime saver";
3637	write_runtime	4178	write_runtime_sync
3638	or warn "ERROR: unable to write runtime file: $!";	4179	or error "ERROR: unable to write runtime file: $!";
3639	};	4180	};
3640	}	4181	}
3641		4182
3642	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4183	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3643	$sig->send;	4184	$sig->send;
3644	}	4185	}
3645	while (my $sig = shift @WAIT_FOR_TICK) {	4186	$WAIT_FOR_TICK->broadcast;
3646	$sig->send;
3647	}
3648		4187
3649	$LOAD = ($NOW - $tick_start) / $TICK;	4188	$LOAD = ($NOW - $TICK_START) / $TICK;
3650	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4189	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3651		4190
3652	_post_tick;	4191	if (0) {
3653	};	4192	if ($NEXT_TICK) {
3654	$TICK_WATCHER->priority (EV::MAXPRI);	4193	my $jitter = $TICK_START - $NEXT_TICK;
		4194	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4195	debug "jitter $JITTER\n";#d#
		4196	}
		4197	}
		4198	}
3655		4199
3656	{	4200	{
3657	# configure BDB	4201	# configure BDB
3658		4202
3659	BDB::min_parallel 8;	4203	BDB::min_parallel 16;
3660	BDB::max_poll_reqs $TICK * 0.1;	4204	BDB::max_poll_reqs $TICK * 0.1;
3661	$Coro::BDB::WATCHER->priority (1);	4205	#$AnyEvent::BDB::WATCHER->priority (1);
3662		4206
3663	unless ($DB_ENV) {	4207	unless ($DB_ENV) {
3664	$DB_ENV = BDB::db_env_create;	4208	$DB_ENV = BDB::db_env_create;
3665	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4209	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3666	| BDB::LOG_AUTOREMOVE, 1);	4210	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4211	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3667	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4212	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3668	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4213	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3669		4214
3670	cf::sync_job {	4215	cf::sync_job {
3671	eval {	4216	eval {
…		…
3697	{	4242	{
3698	# configure IO::AIO	4243	# configure IO::AIO
3699		4244
3700	IO::AIO::min_parallel 8;	4245	IO::AIO::min_parallel 8;
3701	IO::AIO::max_poll_time $TICK * 0.1;	4246	IO::AIO::max_poll_time $TICK * 0.1;
3702	$Coro::AIO::WATCHER->priority (1);	4247	undef $AnyEvent::AIO::WATCHER;
3703	}	4248	}
3704		4249
3705	my $_log_backtrace;	4250	our $_log_backtrace;
		4251	our $_log_backtrace_last;
3706		4252
3707	sub _log_backtrace {	4253	sub _log_backtrace {
3708	my ($msg, @addr) = @_;	4254	my ($msg, @addr) = @_;
3709		4255
3710	$msg =~ s/\n//;	4256	$msg =~ s/\n$//;
3711		4257
		4258	if ($_log_backtrace_last eq $msg) {
		4259	LOG llevInfo, "[ABT] $msg\n";
		4260	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3712	# limit the # of concurrent backtraces	4261	# limit the # of concurrent backtraces
3713	if ($_log_backtrace < 2) {	4262	} elsif ($_log_backtrace < 2) {
		4263	$_log_backtrace_last = $msg;
3714	++$_log_backtrace;	4264	++$_log_backtrace;
		4265	my $perl_bt = Carp::longmess $msg;
3715	async {	4266	async {
3716	$Coro::current->{desc} = "abt $msg";	4267	$Coro::current->{desc} = "abt $msg";
3717		4268
3718	my @bt = fork_call {	4269	my @bt = fork_call {
3719	@addr = map { sprintf "%x", $_ } @addr;	4270	@addr = map { sprintf "%x", $_ } @addr;
…		…
3730	}	4281	}
3731		4282
3732	@funcs	4283	@funcs
3733	};	4284	};
3734		4285
3735	LOG llevInfo, "[ABT] $msg\n";	4286	LOG llevInfo, "[ABT] $perl_bt\n";
		4287	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3736	LOG llevInfo, "[ABT] $_\n" for @bt;	4288	LOG llevInfo, "[ABT] $_\n" for @bt;
3737	--$_log_backtrace;	4289	--$_log_backtrace;
3738	};	4290	};
3739	} else {	4291	} else {
3740	LOG llevInfo, "[ABT] $msg\n";	4292	LOG llevInfo, "[ABT] $msg\n";
3741	LOG llevInfo, "[ABT] [suppressed]\n";	4293	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3742	}	4294	}
3743	}	4295	}
3744		4296
3745	# load additional modules	4297	# load additional modules
3746	use cf::pod;	4298	require "cf/$_.pm" for @EXTRA_MODULES;
		4299	cf::_connect_to_perl_2;
3747		4300
3748	END { cf::emergency_save }	4301	END { cf::emergency_save }
3749		4302
3750	1	4303	1
3751		4304

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