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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 1.587 by root, Wed Oct 31 19:09:47 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 AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 4.32 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
18	use Coro::EV;	44	use Coro::EV;
		45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
23	use Coro::BDB;	52	use Coro::BDB 1.6;
24	use Coro::Storable;	53	use Coro::Storable;
25	use Coro::Util ();	54	use Coro::Util ();
26		55
		56	use Guard ();
27	use JSON::XS 2.01 ();	57	use JSON::XS 2.01 ();
28	use BDB ();	58	use BDB ();
29	use Data::Dumper;	59	use Data::Dumper;
30	use Digest::MD5;
31	use Fcntl;	60	use Fcntl;
32	use YAML ();	61	use YAML::XS ();
33	use IO::AIO 2.51 ();	62	use IO::AIO ();
34	use Time::HiRes;	63	use Time::HiRes;
35	use Compress::LZF;	64	use Compress::LZF;
36	use Digest::MD5 ();	65	use Digest::MD5 ();
		66
		67	AnyEvent::detect;
37		68
38	# configure various modules to our taste	69	# configure various modules to our taste
39	#	70	#
40	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	72	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		73
		74	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		75
		76	# make sure c-lzf reinitialises itself
		77	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	78	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
43		79
44	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	80	# strictly for debugging
		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45		82
46	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	83	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		84
		85	our @ORIG_INC;
47		86
48	our %COMMAND = ();	87	our %COMMAND = ();
49	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
50		89
51	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
52	our %EXTCMD = ();	91	our %EXTCMD = ();
53	our %EXTICMD = ();	92	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	93	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	94	our %EXT_MAP = (); # pluggable maps
56		95
57	our $RELOAD; # number of reloads so far	96	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	97	our @EVENT;
		98	our @REFLECT; # set by XS
		99	our %REFLECT; # set by us
59		100
60	our $CONFDIR = confdir;	101	our $CONFDIR = confdir;
		102
61	our $DATADIR = datadir;	103	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	104	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	105	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	106	our $MAPDIR = "$DATADIR/" . mapdir;
		107
65	our $LOCALDIR = localdir;	108	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	109	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	110	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	111	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	112	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	113	our $BDBDIR = "$LOCALDIR/db";
71	our %RESOURCE;	114	our $PIDFILE = "$LOCALDIR/pid";
		115	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		116
		117	#our %RESOURCE; # unused
		118
		119	our $OUTPUT_RATE_MIN = 3000;
		120	our $OUTPUT_RATE_MAX = 1000000;
		121
		122	our $MAX_LINKS = 32; # how many chained exits to follow
		123	our $VERBOSE_IO = 1;
72		124
73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	125	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	126	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
77	our $NEXT_TICK;	127	our $NEXT_TICK;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	128	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		129
80	our $BDB_POLL_WATCHER;
81	our $BDB_DEADLOCK_WATCHER;	130	our $BDB_DEADLOCK_WATCHER;
82	our $BDB_CHECKPOINT_WATCHER;	131	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_TRICKLE_WATCHER;	132	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	133	our $DB_ENV;
85		134
		135	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		136
86	our %CFG;	137	our %CFG;
		138	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
87		139
88	our $UPTIME; $UPTIME ||= time;	140	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	141	our $RUNTIME = 0;
		142	our $SERVER_TICK = 0;
90	our $NOW;	143	our $NOW;
91		144
92	our (%PLAYER, %PLAYER_LOADING); # all users	145	our (%PLAYER, %PLAYER_LOADING); # all users
93	our (%MAP, %MAP_LOADING ); # all maps	146	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	147	our $LINK_MAP; # the special {link} map, which is always available
…		…
96	# used to convert map paths into valid unix filenames by replacing / by ∕	149	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	150	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		151
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	152	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	153	our $LOADAVG; # same thing, but with alpha-smoothing
		154	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	155	our $TICK_START; # for load detecting purposes
		156
		157	our @POST_INIT;
		158
		159	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		160	our $REALLY_UNLOOP; # never set to true, please :)
		161
		162	our $WAIT_FOR_TICK = new Coro::Signal;
		163	our @WAIT_FOR_TICK_BEGIN;
102		164
103	binmode STDOUT;	165	binmode STDOUT;
104	binmode STDERR;	166	binmode STDERR;
105		167
106	# read virtual server time, if available	168	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	169	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	170	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	171	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	172	$RUNTIME = <$fh> + 0.;
111	}	173	}
		174
		175	eval "sub TICK() { $TICK } 1" or die;
112		176
113	mkdir $_	177	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	178	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		179
116	our $EMERGENCY_POSITION;	180	our $EMERGENCY_POSITION;
117		181
118	sub cf::map::normalise;	182	sub cf::map::normalise;
119		183
		184	sub in_main() {
		185	$Coro::current == $Coro::main
		186	}
		187
120	#############################################################################	188	#############################################################################
121		189
		190	%REFLECT = ();
		191	for (@REFLECT) {
		192	my $reflect = JSON::XS::decode_json $_;
		193	$REFLECT{$reflect->{class}} = $reflect;
		194	}
		195
		196	# this is decidedly evil
		197	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		198
		199	#############################################################################
		200
122	=head2 GLOBAL VARIABLES	201	=head2 GLOBAL VARIABLES
123		202
124	=over 4	203	=over 4
125		204
126	=item $cf::UPTIME	205	=item $cf::UPTIME
127		206
128	The timestamp of the server start (so not actually an uptime).	207	The timestamp of the server start (so not actually an "uptime").
		208
		209	=item $cf::SERVER_TICK
		210
		211	An unsigned integer that starts at zero when the server is started and is
		212	incremented on every tick.
		213
		214	=item $cf::NOW
		215
		216	The (real) time of the last (current) server tick - updated before and
		217	after tick processing, so this is useful only as a rough "what time is it
		218	now" estimate.
		219
		220	=item $cf::TICK
		221
		222	The interval between each server tick, in seconds.
129		223
130	=item $cf::RUNTIME	224	=item $cf::RUNTIME
131		225
132	The time this server has run, starts at 0 and is increased by $cf::TICK on	226	The time this server has run, starts at 0 and is increased by $cf::TICK on
133	every server tick.	227	every server tick.
…		…
139	Various directories - "/etc", read-only install directory, perl-library	233	Various directories - "/etc", read-only install directory, perl-library
140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	234	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
141	unique-items directory, player file directory, random maps directory and	235	unique-items directory, player file directory, random maps directory and
142	database environment.	236	database environment.
143		237
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	238	=item $cf::LOADAVG
153		239
154	The current CPU load on the server (alpha-smoothed), as a value between 0	240	The current CPU load on the server (alpha-smoothed), as a value between 0
155	(none) and 1 (overloaded), indicating how much time is spent on processing	241	(none) and 1 (overloaded), indicating how much time is spent on processing
156	objects per tick. Healthy values are < 0.5.	242	objects per tick. Healthy values are < 0.5.
…		…
165	from wherever your confdir points to.	251	from wherever your confdir points to.
166		252
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	253	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		254
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	255	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
170	returns directly I<after> the tick processing (and consequently, can only wake one process	256	returns directly I<after> the tick processing (and consequently, can only wake one thread
171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	257	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
172		258
		259	Note that cf::Wait_for_tick will immediately return when the server is not
		260	ticking, making it suitable for small pauses in threads that need to run
		261	when the server is paused. If that is not applicable (i.e. you I<really>
		262	want to wait, use C<$cf::WAIT_FOR_TICK>).
		263
		264	=item $cf::WAIT_FOR_TICK
		265
		266	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		267	variable contains a L<Coro::Signal> that is broadcats after every server
		268	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		269	next server tick.
		270
		271	=cut
		272
		273	sub wait_for_tick();
		274	sub wait_for_tick_begin();
		275
173	=item @cf::INVOKE_RESULTS	276	=item @cf::INVOKE_RESULTS
174		277
175	This array contains the results of the last C<invoke ()> call. When	278	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	279	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	280	that call.
178		281
		282	=item %cf::REFLECT
		283
		284	Contains, for each (C++) class name, a hash reference with information
		285	about object members (methods, scalars, arrays and flags) and other
		286	metadata, which is useful for introspection.
		287
179	=back	288	=back
180		289
181	=cut	290	=cut
182		291
183	BEGIN {	292	sub error(@) { LOG llevError, join "", @_ }
184	*CORE::GLOBAL::warn = sub {	293	sub warn (@) { LOG llevWarn , join "", @_ }
		294	sub info (@) { LOG llevInfo , join "", @_ }
		295	sub debug(@) { LOG llevDebug, join "", @_ }
		296	sub trace(@) { LOG llevTrace, join "", @_ }
		297
		298	$Coro::State::WARNHOOK = sub {
185	my $msg = join "", @_;	299	my $msg = join "", @_;
186		300
187	$msg .= "\n"	301	$msg .= "\n"
188	unless $msg =~ /\n$/;	302	unless $msg =~ /\n$/;
189		303
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	304	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		305
192	LOG llevError, $msg;	306	LOG llevWarn, $msg;
193	};	307	};
194	}
195		308
196	$Coro::State::DIEHOOK = sub {	309	$Coro::State::DIEHOOK = sub {
197	return unless $^S eq 0; # "eq", not "=="	310	return unless $^S eq 0; # "eq", not "=="
198		311
199	if ($Coro::current == $Coro::main) {#d#	312	error Carp::longmess $_[0];
		313
		314	if (in_main) {#d#
200	warn "DIEHOOK called in main context, Coro bug?\n";#d#	315	error "DIEHOOK called in main context, Coro bug?\n";#d#
201	return;#d#	316	return;#d#
202	}#d#	317	}#d#
203		318
204	# kill coroutine otherwise	319	# kill coroutine otherwise
205	warn Carp::longmess $_[0];
206	Coro::terminate	320	Coro::terminate
207	};	321	};
208
209	$SIG{__DIE__} = sub { }; #d#?
210		322
211	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	323	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
212	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	324	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
213	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	325	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
214	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	326	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
221	for my $pkg (qw(	333	for my $pkg (qw(
222	cf::global cf::attachable	334	cf::global cf::attachable
223	cf::object cf::object::player	335	cf::object cf::object::player
224	cf::client cf::player	336	cf::client cf::player
225	cf::arch cf::living	337	cf::arch cf::living
		338	cf::map cf::mapspace
226	cf::map cf::party cf::region	339	cf::party cf::region
227	)) {	340	)) {
228	no strict 'refs';
229	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	341	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
230	}	342	}
231		343
232	$EV::DIED = sub {	344	$EV::DIED = sub {
233	warn "error in event callback: @_";	345	warn "error in event callback: $@";
234	};	346	};
		347
		348	#############################################################################
		349
		350	sub fork_call(&@);
		351	sub get_slot($;$$);
235		352
236	#############################################################################	353	#############################################################################
237		354
238	=head2 UTILITY FUNCTIONS	355	=head2 UTILITY FUNCTIONS
239		356
…		…
260	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	377	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
261	$d	378	$d
262	} || "[unable to dump $_[0]: '$@']";	379	} || "[unable to dump $_[0]: '$@']";
263	}	380	}
264		381
		382	=item $scalar = cf::load_file $path
		383
		384	Loads the given file from path and returns its contents. Croaks on error
		385	and can block.
		386
		387	=cut
		388
		389	sub load_file($) {
		390	0 <= aio_load $_[0], my $data
		391	or Carp::croak "$_[0]: $!";
		392
		393	$data
		394	}
		395
		396	=item $success = cf::replace_file $path, $data, $sync
		397
		398	Atomically replaces the file at the given $path with new $data, and
		399	optionally $sync the data to disk before replacing the file.
		400
		401	=cut
		402
		403	sub replace_file($$;$) {
		404	my ($path, $data, $sync) = @_;
		405
		406	my $lock = cf::lock_acquire ("replace_file:$path");
		407
		408	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		409	or return;
		410
		411	$data = $data->() if ref $data;
		412
		413	length $data == aio_write $fh, 0, (length $data), $data, 0
		414	or return;
		415
		416	!$sync
		417	or !aio_fsync $fh
		418	or return;
		419
		420	aio_close $fh
		421	and return;
		422
		423	aio_rename "$path~", $path
		424	and return;
		425
		426	if ($sync) {
		427	$path =~ s%/[^/]*$%%;
		428	aio_pathsync $path;
		429	}
		430
		431	1
		432	}
		433
265	=item $ref = cf::decode_json $json	434	=item $ref = cf::decode_json $json
266		435
267	Converts a JSON string into the corresponding perl data structure.	436	Converts a JSON string into the corresponding perl data structure.
268		437
269	=item $json = cf::encode_json $ref	438	=item $json = cf::encode_json $ref
…		…
275	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	444	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
276		445
277	sub encode_json($) { $json_coder->encode ($_[0]) }	446	sub encode_json($) { $json_coder->encode ($_[0]) }
278	sub decode_json($) { $json_coder->decode ($_[0]) }	447	sub decode_json($) { $json_coder->decode ($_[0]) }
279		448
		449	=item $ref = cf::decode_storable $scalar
		450
		451	Same as Coro::Storable::thaw, so blocks.
		452
		453	=cut
		454
		455	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		456
		457	=item $ref = cf::decode_yaml $scalar
		458
		459	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		460
		461	=cut
		462
		463	sub decode_yaml($) {
		464	fork_call { YAML::XS::Load $_[0] } @_
		465	}
		466
		467	=item $scalar = cf::unlzf $scalar
		468
		469	Same as Compress::LZF::compress, but takes server ticks into account, so
		470	blocks.
		471
		472	=cut
		473
		474	sub unlzf($) {
		475	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		476	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		477	Compress::LZF::decompress $_[0]
		478	}
		479
		480	=item cf::post_init { BLOCK }
		481
		482	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		483	but I<before> the server starts ticking again.
		484
		485	The codeblock will have a single boolean argument to indicate whether this
		486	is a reload or not.
		487
		488	=cut
		489
		490	sub post_init(&) {
		491	push @POST_INIT, shift;
		492	}
		493
		494	sub _post_init {
		495	trace "running post_init jobs";
		496
		497	# run them in parallel...
		498
		499	my @join;
		500
		501	while () {
		502	push @join, map &Coro::async ($_, 0), @POST_INIT;
		503	@POST_INIT = ();
		504
		505	@join or last;
		506
		507	(pop @join)->join;
		508	}
		509	}
		510
280	=item cf::lock_wait $string	511	=item cf::lock_wait $string
281		512
282	Wait until the given lock is available. See cf::lock_acquire.	513	Wait until the given lock is available. See cf::lock_acquire.
283		514
284	=item my $lock = cf::lock_acquire $string	515	=item my $lock = cf::lock_acquire $string
285		516
286	Wait until the given lock is available and then acquires it and returns	517	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,	518	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	519	for example when the coroutine gets canceled), the lock is automatically
289	returned.	520	returned.
290		521
291	Locks are *not* recursive, locking from the same coro twice results in a	522	Locks are *not* recursive, locking from the same coro twice results in a
292	deadlocked coro.	523	deadlocked coro.
…		…
298		529
299	Return true if the lock is currently active, i.e. somebody has locked it.	530	Return true if the lock is currently active, i.e. somebody has locked it.
300		531
301	=cut	532	=cut
302		533
303	our %LOCK;	534	our $LOCKS = new Coro::SemaphoreSet;
304	our %LOCKER;#d#
305		535
306	sub lock_wait($) {	536	sub lock_wait($) {
307	my ($key) = @_;	537	$LOCKS->wait ($_[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} }, $Coro::current;
317	Coro::schedule;
318	}
319	}	538	}
320		539
321	sub lock_acquire($) {	540	sub lock_acquire($) {
322	my ($key) = @_;	541	$LOCKS->guard ($_[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	}	542	}
336		543
337	sub lock_active($) {	544	sub lock_active($) {
338	my ($key) = @_;	545	$LOCKS->count ($_[0]) < 1
339
340	! ! $LOCK{$key}
341	}	546	}
342		547
343	sub freeze_mainloop {	548	sub freeze_mainloop {
344	return unless $TICK_WATCHER->is_active;	549	tick_inhibit_inc;
345		550
346	my $guard = Coro::guard {	551	&Guard::guard (\&tick_inhibit_dec);
347	$TICK_WATCHER->start;
348	};
349	$TICK_WATCHER->stop;
350	$guard
351	}	552	}
352		553
353	=item cf::periodic $interval, $cb	554	=item cf::periodic $interval, $cb
354		555
355	Like EV::periodic, but randomly selects a starting point so that the actions	556	Like EV::periodic, but randomly selects a starting point so that the actions
356	get spread over timer.	557	get spread over time.
357		558
358	=cut	559	=cut
359		560
360	sub periodic($$) {	561	sub periodic($$) {
361	my ($interval, $cb) = @_;	562	my ($interval, $cb) = @_;
…		…
365	EV::periodic $start, $interval, 0, $cb	566	EV::periodic $start, $interval, 0, $cb
366	}	567	}
367		568
368	=item cf::get_slot $time[, $priority[, $name]]	569	=item cf::get_slot $time[, $priority[, $name]]
369		570
370	Allocate $time seconds of blocking CPU time at priority C<$priority>:	571	Allocate $time seconds of blocking CPU time at priority C<$priority>
371	This call blocks and returns only when you have at least C<$time> seconds	572	(default: 0): This call blocks and returns only when you have at least
372	of cpu time till the next tick. The slot is only valid till the next cede.	573	C<$time> seconds of cpu time till the next tick. The slot is only valid
		574	till the next cede.
		575
		576	Background jobs should use a priority les than zero, interactive jobs
		577	should use 100 or more.
373		578
374	The optional C<$name> can be used to identify the job to run. It might be	579	The optional C<$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.	580	used for statistical purposes and should identify the same time-class.
376		581
377	Useful for short background jobs.	582	Useful for short background jobs.
378		583
379	=cut	584	=cut
380		585
381	our @SLOT_QUEUE;	586	our @SLOT_QUEUE;
382	our $SLOT_QUEUE;	587	our $SLOT_QUEUE;
		588	our $SLOT_DECAY = 0.9;
383		589
384	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	590	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
385	$SLOT_QUEUE = Coro::async {	591	$SLOT_QUEUE = Coro::async {
386	$Coro::current->desc ("timeslot manager");	592	$Coro::current->desc ("timeslot manager");
387		593
388	my $signal = new Coro::Signal;	594	my $signal = new Coro::Signal;
		595	my $busy;
389		596
390	while () {	597	while () {
391	next_job:	598	next_job:
		599
392	my $avail = cf::till_tick;	600	my $avail = cf::till_tick;
393	if ($avail > 0.01) {	601
394	for (0 .. $#SLOT_QUEUE) {	602	for (0 .. $#SLOT_QUEUE) {
395	if ($SLOT_QUEUE[$_][0] < $avail) {	603	if ($SLOT_QUEUE[$_][0] <= $avail) {
		604	$busy = 0;
396	my $job = splice @SLOT_QUEUE, $_, 1, ();	605	my $job = splice @SLOT_QUEUE, $_, 1, ();
397	$job->[2]->send;	606	$job->[2]->send;
398	Coro::cede;	607	Coro::cede;
399	goto next_job;	608	goto next_job;
400	}	609	} else {
		610	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
401	}	611	}
402	}	612	}
403		613
404	if (@SLOT_QUEUE) {	614	if (@SLOT_QUEUE) {
405	# we do not use wait_for_tick() as it returns immediately when tick is inactive	615	# we do not use wait_for_tick() as it returns immediately when tick is inactive
406	push @cf::WAIT_FOR_TICK, $signal;	616	$WAIT_FOR_TICK->wait;
407	$signal->wait;
408	} else {	617	} else {
		618	$busy = 0;
409	Coro::schedule;	619	Coro::schedule;
410	}	620	}
411	}	621	}
412	};	622	};
413		623
414	sub get_slot($;$$) {	624	sub get_slot($;$$) {
		625	return if tick_inhibit || $Coro::current == $Coro::main;
		626
415	my ($time, $pri, $name) = @_;	627	my ($time, $pri, $name) = @_;
416		628
417	$time = $TICK * .6 if $time > $TICK * .6;	629	$time = clamp $time, 0.01, $TICK * .6;
		630
418	my $sig = new Coro::Signal;	631	my $sig = new Coro::Signal;
419		632
420	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	633	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
421	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	634	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
422	$SLOT_QUEUE->ready;	635	$SLOT_QUEUE->ready;
…		…
448	=cut	661	=cut
449		662
450	sub sync_job(&) {	663	sub sync_job(&) {
451	my ($job) = @_;	664	my ($job) = @_;
452		665
453	if ($Coro::current == $Coro::main) {	666	if (in_main) {
454	my $time = EV::time;	667	my $time = AE::time;
455		668
456	# this is the main coro, too bad, we have to block	669	# this is the main coro, too bad, we have to block
457	# till the operation succeeds, freezing the server :/	670	# till the operation succeeds, freezing the server :/
458		671
459	LOG llevError, Carp::longmess "sync job";#d#	672	#LOG llevError, Carp::longmess "sync job";#d#
460		673
461	# TODO: use suspend/resume instead
462	# (but this is cancel-safe)
463	my $freeze_guard = freeze_mainloop;	674	my $freeze_guard = freeze_mainloop;
464		675
465	my $busy = 1;	676	my $busy = 1;
466	my @res;	677	my @res;
467		678
468	(async {	679	(async {
469	$Coro::current->desc ("sync job coro");	680	$Coro::current->desc ("sync job coro");
470	@res = eval { $job->() };	681	@res = eval { $job->() };
471	warn $@ if $@;	682	error $@ if $@;
472	undef $busy;	683	undef $busy;
473	})->prio (Coro::PRIO_MAX);	684	})->prio (Coro::PRIO_MAX);
474		685
475	while ($busy) {	686	while ($busy) {
476	if (Coro::nready) {	687	if (Coro::nready) {
…		…
478	} else {	689	} else {
479	EV::loop EV::LOOP_ONESHOT;	690	EV::loop EV::LOOP_ONESHOT;
480	}	691	}
481	}	692	}
482		693
483	$time = EV::time - $time;	694	my $time = AE::time - $time;
484		695
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	696	$TICK_START += $time; # do not account sync jobs to server load
489		697
490	wantarray ? @res : $res[0]	698	wantarray ? @res : $res[0]
491	} else {	699	} else {
492	# we are in another coroutine, how wonderful, everything just works	700	# we are in another coroutine, how wonderful, everything just works
493		701
…		…
513	$EXT_CORO{$coro+0} = $coro;	721	$EXT_CORO{$coro+0} = $coro;
514		722
515	$coro	723	$coro
516	}	724	}
517		725
518	=item fork_call { }, $args	726	=item fork_call { }, @args
519		727
520	Executes the given code block with the given arguments in a seperate	728	Executes the given code block with the given arguments in a seperate
521	process, returning the results. Everything must be serialisable with	729	process, returning the results. Everything must be serialisable with
522	Coro::Storable. May, of course, block. Note that the executed sub may	730	Coro::Storable. May, of course, block. Note that the executed sub may
523	never block itself or use any form of event handling.	731	never block itself or use any form of event handling.
524		732
525	=cut	733	=cut
526		734
		735	sub post_fork {
		736	reset_signals;
		737	}
		738
527	sub fork_call(&@) {	739	sub fork_call(&@) {
528	my ($cb, @args) = @_;	740	my ($cb, @args) = @_;
529		741
530	# we seemingly have to make a local copy of the whole thing,	742	# we seemingly have to make a local copy of the whole thing,
531	# otherwise perl prematurely frees the stuff :/	743	# otherwise perl prematurely frees the stuff :/
532	# TODO: investigate and fix (likely this will be rather laborious)	744	# TODO: investigate and fix (likely this will be rather laborious)
533		745
534	my @res = Coro::Util::fork_eval {	746	my @res = Coro::Util::fork_eval {
535	reset_signals;	747	cf::post_fork;
536	&$cb	748	&$cb
537	}, @args;	749	} @args;
538		750
539	wantarray ? @res : $res[-1]	751	wantarray ? @res : $res[-1]
		752	}
		753
		754	sub objinfo {
		755	(
		756	"counter value" => cf::object::object_count,
		757	"objects created" => cf::object::create_count,
		758	"objects destroyed" => cf::object::destroy_count,
		759	"freelist size" => cf::object::free_count,
		760	"allocated objects" => cf::object::objects_size,
		761	"active objects" => cf::object::actives_size,
		762	)
		763	}
		764
		765	=item $coin = coin_from_name $name
		766
		767	=cut
		768
		769	our %coin_alias = (
		770	"silver" => "silvercoin",
		771	"silvercoin" => "silvercoin",
		772	"silvercoins" => "silvercoin",
		773	"gold" => "goldcoin",
		774	"goldcoin" => "goldcoin",
		775	"goldcoins" => "goldcoin",
		776	"platinum" => "platinacoin",
		777	"platinumcoin" => "platinacoin",
		778	"platinumcoins" => "platinacoin",
		779	"platina" => "platinacoin",
		780	"platinacoin" => "platinacoin",
		781	"platinacoins" => "platinacoin",
		782	"royalty" => "royalty",
		783	"royalties" => "royalty",
		784	);
		785
		786	sub coin_from_name($) {
		787	$coin_alias{$_[0]}
		788	? cf::arch::find $coin_alias{$_[0]}
		789	: undef
540	}	790	}
541		791
542	=item $value = cf::db_get $family => $key	792	=item $value = cf::db_get $family => $key
543		793
544	Returns a single value from the environment database.	794	Returns a single value from the environment database.
…		…
554	within each server.	804	within each server.
555		805
556	=cut	806	=cut
557		807
558	sub db_table($) {	808	sub db_table($) {
		809	cf::error "db_get called from main context"
		810	if $Coro::current == $Coro::main;
		811
559	my ($name) = @_;	812	my ($name) = @_;
560	my $db = BDB::db_create $DB_ENV;	813	my $db = BDB::db_create $DB_ENV;
561		814
562	eval {	815	eval {
563	$db->set_flags (BDB::CHKSUM);	816	$db->set_flags (BDB::CHKSUM);
…		…
573	}	826	}
574		827
575	our $DB;	828	our $DB;
576		829
577	sub db_init {	830	sub db_init {
578	cf::sync_job {
579	$DB ||= db_table "db";	831	$DB ||= db_table "db";
580	};
581	}	832	}
582		833
583	sub db_get($$) {	834	sub db_get($$) {
584	my $key = "$_[0]/$_[1]";	835	my $key = "$_[0]/$_[1]";
585		836
586	cf::sync_job {	837	cf::error "db_get called from main context"
		838	if $Coro::current == $Coro::main;
		839
587	BDB::db_get $DB, undef, $key, my $data;	840	BDB::db_get $DB, undef, $key, my $data;
588		841
589	$! ? ()	842	$! ? ()
590	: $data	843	: $data
591	}
592	}	844	}
593		845
594	sub db_put($$$) {	846	sub db_put($$$) {
595	BDB::dbreq_pri 4;	847	BDB::dbreq_pri 4;
596	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	848	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
624		876
625	my @data;	877	my @data;
626	my $md5;	878	my $md5;
627		879
628	for (0 .. $#$src) {	880	for (0 .. $#$src) {
629	0 <= aio_load $src->[$_], $data[$_]	881	$data[$_] = load_file $src->[$_];
630	or Carp::croak "$src->[$_]: $!";
631	}	882	}
632		883
633	# if processing is expensive, check	884	# if processing is expensive, check
634	# checksum first	885	# checksum first
635	if (1) {	886	if (1) {
…		…
652		903
653	my $t1 = Time::HiRes::time;	904	my $t1 = Time::HiRes::time;
654	my $data = $process->(\@data);	905	my $data = $process->(\@data);
655	my $t2 = Time::HiRes::time;	906	my $t2 = Time::HiRes::time;
656		907
657	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	908	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
658		909
659	db_put cache => "$id/data", $data;	910	db_put cache => "$id/data", $data;
660	db_put cache => "$id/md5" , $md5;	911	db_put cache => "$id/md5" , $md5;
661	db_put cache => "$id/meta", $meta;	912	db_put cache => "$id/meta", $meta;
662		913
…		…
672		923
673	=cut	924	=cut
674		925
675	sub datalog($@) {	926	sub datalog($@) {
676	my ($type, %kv) = @_;	927	my ($type, %kv) = @_;
677	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	928	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
678	}	929	}
679		930
680	=back	931	=back
681		932
682	=cut	933	=cut
683		934
684	#############################################################################	935	#############################################################################
685		936
686	=head2 ATTACHABLE OBJECTS	937	=head2 ATTACHABLE OBJECTS
687		938
688	Many objects in crossfire are so-called attachable objects. That means you can	939	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")	940	attach callbacks/event handlers (a collection of which is called an "attachment")
690	to it. All such attachable objects support the following methods.	941	to it. All such attachable objects support the following methods.
691		942
692	In the following description, CLASS can be any of C<global>, C<object>	943	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	944	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
743	=item cf::CLASS::attachment $name, ...	994	=item cf::CLASS::attachment $name, ...
744		995
745	Register an attachment by C<$name> through which attachable objects of the	996	Register an attachment by C<$name> through which attachable objects of the
746	given CLASS can refer to this attachment.	997	given CLASS can refer to this attachment.
747		998
748	Some classes such as crossfire maps and objects can specify attachments	999	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.	1000	that are attached at load/instantiate time, thus the need for a name.
750		1001
751	These calls expect any number of the following handler/hook descriptions:	1002	These calls expect any number of the following handler/hook descriptions:
752		1003
753	=over 4	1004	=over 4
…		…
877		1128
878	} elsif (exists $cb_id{$type}) {	1129	} elsif (exists $cb_id{$type}) {
879	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1130	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
880		1131
881	} elsif (ref $type) {	1132	} elsif (ref $type) {
882	warn "attaching objects not supported, ignoring.\n";	1133	error "attaching objects not supported, ignoring.\n";
883		1134
884	} else {	1135	} else {
885	shift @arg;	1136	shift @arg;
886	warn "attach argument '$type' not supported, ignoring.\n";	1137	error "attach argument '$type' not supported, ignoring.\n";
887	}	1138	}
888	}	1139	}
889	}	1140	}
890		1141
891	sub _object_attach {	1142	sub _object_attach {
…		…
901	_attach $registry, $klass, @attach;	1152	_attach $registry, $klass, @attach;
902	}	1153	}
903		1154
904	$obj->{$name} = \%arg;	1155	$obj->{$name} = \%arg;
905	} else {	1156	} else {
906	warn "object uses attachment '$name' which is not available, postponing.\n";	1157	info "object uses attachment '$name' which is not available, postponing.\n";
907	}	1158	}
908		1159
909	$obj->{_attachment}{$name} = undef;	1160	$obj->{_attachment}{$name} = undef;
910	}	1161	}
911		1162
…		…
970		1221
971	for (@$callbacks) {	1222	for (@$callbacks) {
972	eval { &{$_->[1]} };	1223	eval { &{$_->[1]} };
973		1224
974	if ($@) {	1225	if ($@) {
975	warn "$@";
976	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1226	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
977	override;	1227	override;
978	}	1228	}
979		1229
980	return 1 if $override;	1230	return 1 if $override;
981	}	1231	}
…		…
1044		1294
1045	sub reattach {	1295	sub reattach {
1046	# basically do the same as instantiate, without calling instantiate	1296	# basically do the same as instantiate, without calling instantiate
1047	my ($obj) = @_;	1297	my ($obj) = @_;
1048		1298
		1299	# no longer needed after getting rid of delete_package?
1049	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1300	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1050		1301
1051	my $registry = $obj->registry;	1302	my $registry = $obj->registry;
1052		1303
1053	@$registry = ();	1304	@$registry = ();
1054		1305
…		…
1059	for (@$attach) {	1310	for (@$attach) {
1060	my ($klass, @attach) = @$_;	1311	my ($klass, @attach) = @$_;
1061	_attach $registry, $klass, @attach;	1312	_attach $registry, $klass, @attach;
1062	}	1313	}
1063	} else {	1314	} else {
1064	warn "object uses attachment '$name' that is not available, postponing.\n";	1315	info "object uses attachment '$name' that is not available, postponing.\n";
1065	}	1316	}
1066	}	1317	}
1067	}	1318	}
1068		1319
1069	cf::attachable->attach (	1320	cf::attachable->attach (
…		…
1096	my ($filename, $rdata, $objs) = @_;	1347	my ($filename, $rdata, $objs) = @_;
1097		1348
1098	sync_job {	1349	sync_job {
1099	if (length $$rdata) {	1350	if (length $$rdata) {
1100	utf8::decode (my $decname = $filename);	1351	utf8::decode (my $decname = $filename);
1101	warn sprintf "saving %s (%d,%d)\n",	1352	trace sprintf "saving %s (%d,%d)\n",
1102	$decname, length $$rdata, scalar @$objs;	1353	$decname, length $$rdata, scalar @$objs
		1354	if $VERBOSE_IO;
1103		1355
1104	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1356	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1105	chmod SAVE_MODE, $fh;	1357	aio_chmod $fh, SAVE_MODE;
1106	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1358	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1107	aio_fsync $fh if $cf::USE_FSYNC;	1359	if ($cf::USE_FSYNC) {
		1360	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;
		1361	aio_fsync $fh;
		1362	}
1108	close $fh;	1363	aio_close $fh;
1109		1364
1110	if (@$objs) {	1365	if (@$objs) {
1111	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1366	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1112	chmod SAVE_MODE, $fh;	1367	aio_chmod $fh, SAVE_MODE;
1113	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1368	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1114	aio_write $fh, 0, (length $data), $data, 0;	1369	aio_write $fh, 0, (length $data), $data, 0;
1115	aio_fsync $fh if $cf::USE_FSYNC;	1370	if ($cf::USE_FSYNC) {
		1371	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;
		1372	aio_fsync $fh;
		1373	}
1116	close $fh;	1374	aio_close $fh;
1117	aio_rename "$filename.pst~", "$filename.pst";	1375	aio_rename "$filename.pst~", "$filename.pst";
1118	}	1376	}
1119	} else {	1377	} else {
1120	aio_unlink "$filename.pst";	1378	aio_unlink "$filename.pst";
1121	}	1379	}
1122		1380
1123	aio_rename "$filename~", $filename;	1381	aio_rename "$filename~", $filename;
		1382
		1383	$filename =~ s%/[^/]+$%%;
		1384	aio_pathsync $filename if $cf::USE_FSYNC;
1124	} else {	1385	} else {
1125	warn "FATAL: $filename~: $!\n";	1386	error "unable to save objects: $filename~: $!\n";
1126	}	1387	}
1127	} else {	1388	} else {
1128	aio_unlink $filename;	1389	aio_unlink $filename;
1129	aio_unlink "$filename.pst";	1390	aio_unlink "$filename.pst";
1130	}	1391	}
…		…
1154	my $st = eval { Coro::Storable::thaw $av };	1415	my $st = eval { Coro::Storable::thaw $av };
1155	$av = $st->{objs};	1416	$av = $st->{objs};
1156	}	1417	}
1157		1418
1158	utf8::decode (my $decname = $filename);	1419	utf8::decode (my $decname = $filename);
1159	warn sprintf "loading %s (%d,%d)\n",	1420	trace sprintf "loading %s (%d,%d)\n",
1160	$decname, length $data, scalar @{$av || []};	1421	$decname, length $data, scalar @{$av || []}
		1422	if $VERBOSE_IO;
1161		1423
1162	($data, $av)	1424	($data, $av)
1163	}	1425	}
1164		1426
1165	=head2 COMMAND CALLBACKS	1427	=head2 COMMAND CALLBACKS
…		…
1221	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1222		1484
1223	$EXTICMD{$name} = $cb;	1485	$EXTICMD{$name} = $cb;
1224	}	1486	}
1225		1487
		1488	use File::Glob ();
		1489
1226	cf::player->attach (	1490	cf::player->attach (
1227	on_command => sub {	1491	on_unknown_command => sub {
1228	my ($pl, $name, $params) = @_;	1492	my ($pl, $name, $params) = @_;
1229		1493
1230	my $cb = $COMMAND{$name}	1494	my $cb = $COMMAND{$name}
1231	or return;	1495	or return;
1232		1496
…		…
1240	my ($pl, $buf) = @_;	1504	my ($pl, $buf) = @_;
1241		1505
1242	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1506	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1243		1507
1244	if (ref $msg) {	1508	if (ref $msg) {
1245	my ($type, $reply, @payload) =	1509	my ($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		1510
1250	my @reply;	1511	my @reply;
1251		1512
1252	if (my $cb = $EXTCMD{$type}) {	1513	if (my $cb = $EXTCMD{$type}) {
1253	@reply = $cb->($pl, @payload);	1514	@reply = $cb->($pl, @payload);
…		…
1255		1516
1256	$pl->ext_reply ($reply, @reply)	1517	$pl->ext_reply ($reply, @reply)
1257	if $reply;	1518	if $reply;
1258		1519
1259	} else {	1520	} else {
1260	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1521	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1261	}	1522	}
1262		1523
1263	cf::override;	1524	cf::override;
1264	},	1525	},
1265	);	1526	);
1266		1527
		1528	# "readahead" all extensions
		1529	sub cache_extensions {
		1530	my $grp = IO::AIO::aio_group;
		1531
		1532	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1533	for (grep /\.ext$/, @{$_[0]}) {
		1534	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1535	}
		1536	};
		1537
		1538	$grp
		1539	}
		1540
		1541	sub _ext_cfg_reg($$$$) {
		1542	my ($rvar, $varname, $cfgname, $default) = @_;
		1543
		1544	$cfgname = lc $varname
		1545	unless length $cfgname;
		1546
		1547	$EXT_CFG{$cfgname} = [$rvar, $default];
		1548
		1549	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1550	}
		1551
1267	sub load_extensions {	1552	sub load_extensions {
		1553	info "loading extensions...";
		1554
		1555	%EXT_CFG = ();
		1556
1268	cf::sync_job {	1557	cf::sync_job {
1269	my %todo;	1558	my %todo;
1270		1559
1271	for my $path (<$LIBDIR/*.ext>) {	1560	for my $path (<$LIBDIR/*.ext>) {
1272	next unless -r $path;	1561	next unless -r $path;
…		…
1290		1579
1291	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1580	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1292	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1581	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1293		1582
1294	$ext{source} =	1583	$ext{source} =
1295	"package $pkg; use strict; use utf8;\n"	1584	"package $pkg; use common::sense;\n"
1296	. "#line 1 \"$path\"\n{\n"	1585	. "#line 1 \"$path\"\n{\n"
1297	. $source	1586	. $source
1298	. "\n};\n1";	1587	. "\n};\n1";
1299		1588
1300	$todo{$base} = \%ext;	1589	$todo{$base} = \%ext;
1301	}	1590	}
1302		1591
		1592	my $pass = 0;
1303	my %done;	1593	my %done;
1304	while (%todo) {	1594	while (%todo) {
1305	my $progress;	1595	my $progress;
1306		1596
		1597	++$pass;
		1598
		1599	ext:
1307	while (my ($k, $v) = each %todo) {	1600	while (my ($k, $v) = each %todo) {
1308	for (split /,\s*/, $v->{meta}{depends}) {	1601	for (split /,\s*/, $v->{meta}{depends}) {
1309	goto skip	1602	next ext
1310	unless exists $done{$_};	1603	unless exists $done{$_};
1311	}	1604	}
1312		1605
1313	warn "... loading '$k' into '$v->{pkg}'\n";	1606	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1314		1607
1315	unless (eval $v->{source}) {	1608	my $source = $v->{source};
		1609
		1610	# support "CONF varname :confname = default" pseudo-statements
		1611	$source =~ s{
		1612	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1613	}{
		1614	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1615	}gmxe;
		1616
		1617	my $active = eval $source;
		1618
		1619	if (length $@) {
1316	my $msg = $@ ? "$v->{path}: $@\n"	1620	error "$v->{path}: $@\n";
1317	: "$v->{base}: extension inactive.\n";
1318		1621
		1622	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1319	if (exists $v->{meta}{mandatory}) {	1623	if exists $v->{meta}{mandatory};
1320	warn $msg;	1624
1321	warn "mandatory extension failed to load, exiting.\n";	1625	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1322	exit 1;	1626	delete $todo{$k};
1323	}	1627	} else {
1324		1628	$done{$k} = delete $todo{$k};
1325	warn $msg;	1629	push @EXTS, $v->{pkg};
		1630	$progress = 1;
		1631
		1632	info "$v->{base}: extension inactive.\n"
		1633	unless $active;
1326	}	1634	}
1327
1328	$done{$k} = delete $todo{$k};
1329	push @EXTS, $v->{pkg};
1330	$progress = 1;
1331	}	1635	}
1332		1636
1333	skip:	1637	unless ($progress) {
1334	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1638	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1335	unless $progress;	1639
		1640	while (my ($k, $v) = each %todo) {
		1641	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1642	if exists $v->{meta}{mandatory};
		1643	}
		1644
		1645	last;
		1646	}
1336	}	1647	}
1337	};	1648	};
1338	}	1649	}
1339		1650
1340	#############################################################################	1651	#############################################################################
1341		1652
1342	=back	1653	=back
1343		1654
1344	=head2 CORE EXTENSIONS	1655	=head2 CORE EXTENSIONS
1345		1656
1346	Functions and methods that extend core crossfire objects.	1657	Functions and methods that extend core deliantra objects.
1347		1658
1348	=cut	1659	=cut
1349		1660
1350	package cf::player;	1661	package cf::player;
1351		1662
…		…
1394		1705
1395	sub exists($) {	1706	sub exists($) {
1396	my ($login) = @_;	1707	my ($login) = @_;
1397		1708
1398	$cf::PLAYER{$login}	1709	$cf::PLAYER{$login}
1399	or cf::sync_job { !aio_stat path $login }	1710	or !aio_stat path $login
1400	}	1711	}
1401		1712
1402	sub find($) {	1713	sub find($) {
1403	return $cf::PLAYER{$_[0]} || do {	1714	return $cf::PLAYER{$_[0]} || do {
1404	my $login = $_[0];	1715	my $login = $_[0];
…		…
1416	my $f = new_from_file cf::object::thawer path $login	1727	my $f = new_from_file cf::object::thawer path $login
1417	or return;	1728	or return;
1418		1729
1419	my $pl = cf::player::load_pl $f	1730	my $pl = cf::player::load_pl $f
1420	or return;	1731	or return;
		1732
1421	local $cf::PLAYER_LOADING{$login} = $pl;	1733	local $cf::PLAYER_LOADING{$login} = $pl;
1422	$f->resolve_delayed_derefs;	1734	$f->resolve_delayed_derefs;
1423	$cf::PLAYER{$login} = $pl	1735	$cf::PLAYER{$login} = $pl
1424	}	1736	}
1425	}	1737	}
1426	}	1738	}
1427		1739
		1740	cf::player->attach (
		1741	on_load => sub {
		1742	my ($pl, $path) = @_;
		1743
		1744	# restore slots saved in save, below
		1745	my $slots = delete $pl->{_slots};
		1746
		1747	$pl->ob->current_weapon ($slots->[0]);
		1748	$pl->combat_ob ($slots->[1]);
		1749	$pl->ranged_ob ($slots->[2]);
		1750	},
		1751	);
		1752
1428	sub save($) {	1753	sub save($) {
1429	my ($pl) = @_;	1754	my ($pl) = @_;
1430		1755
1431	return if $pl->{deny_save};	1756	return if $pl->{deny_save};
1432		1757
…		…
1435		1760
1436	return if $pl->{deny_save};	1761	return if $pl->{deny_save};
1437		1762
1438	aio_mkdir playerdir $pl, 0770;	1763	aio_mkdir playerdir $pl, 0770;
1439	$pl->{last_save} = $cf::RUNTIME;	1764	$pl->{last_save} = $cf::RUNTIME;
		1765
		1766	cf::get_slot 0.01;
		1767
		1768	# save slots, to be restored later
		1769	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1440		1770
1441	$pl->save_pl ($path);	1771	$pl->save_pl ($path);
1442	cf::cede_to_tick;	1772	cf::cede_to_tick;
1443	}	1773	}
1444		1774
…		…
1476	my ($pl) = @_;	1806	my ($pl) = @_;
1477		1807
1478	my $name = $pl->ob->name;	1808	my $name = $pl->ob->name;
1479		1809
1480	$pl->{deny_save} = 1;	1810	$pl->{deny_save} = 1;
1481	$pl->password ("*"); # this should lock out the player until we nuked the dir	1811	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1482		1812
1483	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1813	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1484	$pl->deactivate;	1814	$pl->deactivate;
		1815
		1816	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1485	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1817	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1818	ext::highscore::check ($pl->ob);
		1819
1486	$pl->ns->destroy if $pl->ns;	1820	$pl->ns->destroy if $pl->ns;
1487		1821
1488	my $path = playerdir $pl;	1822	my $path = playerdir $pl;
1489	my $temp = "$path~$cf::RUNTIME~deleting~";	1823	my $temp = "$path~$cf::RUNTIME~deleting~";
1490	aio_rename $path, $temp;	1824	aio_rename $path, $temp;
…		…
1528		1862
1529	for my $login (@$dirs) {	1863	for my $login (@$dirs) {
1530	my $path = path $login;	1864	my $path = path $login;
1531		1865
1532	# a .pst is a dead give-away for a valid player	1866	# a .pst is a dead give-away for a valid player
1533	unless (-e "$path.pst") {	1867	# if no pst file found, open and chekc for blocked users
		1868	if (aio_stat "$path.pst") {
1534	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1869	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1535	aio_read $fh, 0, 512, my $buf, 0 or next;	1870	aio_read $fh, 0, 512, my $buf, 0 or next;
1536	$buf !~ /^password -------------$/m or next; # official not-valid tag	1871	$buf !~ /^password -------------$/m or next; # official not-valid tag
1537	}	1872	}
1538		1873
…		…
1542		1877
1543	\@logins	1878	\@logins
1544	}	1879	}
1545		1880
1546	=item $player->maps	1881	=item $player->maps
		1882
		1883	=item cf::player::maps $login
1547		1884
1548	Returns an arrayref of map paths that are private for this	1885	Returns an arrayref of map paths that are private for this
1549	player. May block.	1886	player. May block.
1550		1887
1551	=cut	1888	=cut
…		…
1569	}	1906	}
1570		1907
1571	\@paths	1908	\@paths
1572	}	1909	}
1573		1910
1574	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1911	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1575		1912
1576	Expand crossfire pod fragments into protocol xml.	1913	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		1914
1667	=item $player->ext_reply ($msgid, @msg)	1915	=item $player->ext_reply ($msgid, @msg)
1668		1916
1669	Sends an ext reply to the player.	1917	Sends an ext reply to the player.
1670		1918
…		…
1702		1950
1703	=cut	1951	=cut
1704		1952
1705	sub find_by_path($) {	1953	sub find_by_path($) {
1706	my ($path) = @_;	1954	my ($path) = @_;
		1955
		1956	$path =~ s/^~[^\/]*//; # skip ~login
1707		1957
1708	my ($match, $specificity);	1958	my ($match, $specificity);
1709		1959
1710	for my $region (list) {	1960	for my $region (list) {
1711	if ($region->{match} && $path =~ $region->{match}) {	1961	if ($region->{match} && $path =~ $region->{match}) {
…		…
1737	our $MAX_RESET = 3600;	1987	our $MAX_RESET = 3600;
1738	our $DEFAULT_RESET = 3000;	1988	our $DEFAULT_RESET = 3000;
1739		1989
1740	sub generate_random_map {	1990	sub generate_random_map {
1741	my ($self, $rmp) = @_;	1991	my ($self, $rmp) = @_;
1742	# mit "rum" bekleckern, nicht	1992
		1993	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1994
1743	$self->_create_random_map (	1995	$self->_create_random_map ($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}), $rmp->{custom}
1755	)
1756	}	1996	}
1757		1997
1758	=item cf::map->register ($regex, $prio)	1998	=item cf::map->register ($regex, $prio)
1759		1999
1760	Register a handler for the map path matching the given regex at the	2000	Register a handler for the map path matching the given regex at the
…		…
1765		2005
1766	sub register {	2006	sub register {
1767	my (undef, $regex, $prio) = @_;	2007	my (undef, $regex, $prio) = @_;
1768	my $pkg = caller;	2008	my $pkg = caller;
1769		2009
1770	no strict;
1771	push @{"$pkg\::ISA"}, __PACKAGE__;	2010	push @{"$pkg\::ISA"}, __PACKAGE__;
1772		2011
1773	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2012	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1774	}	2013	}
1775		2014
1776	# also paths starting with '/'	2015	# also paths starting with '/'
1777	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2016	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1778		2017
1779	sub thawer_merge {	2018	sub thawer_merge {
1780	my ($self, $merge) = @_;	2019	my ($self, $merge) = @_;
1781		2020
1782	# we have to keep some variables in memory intact	2021	# we have to keep some variables in memory intact
…		…
1787	}	2026	}
1788		2027
1789	sub normalise {	2028	sub normalise {
1790	my ($path, $base) = @_;	2029	my ($path, $base) = @_;
1791		2030
1792	$path = "$path"; # make sure its a string	2031	$path = "$path"; # make sure it's a string
1793		2032
1794	$path =~ s/\.map$//;	2033	$path =~ s/\.map$//;
1795		2034
1796	# map plan:	2035	# map plan:
1797	#	2036	#
…		…
1812	$base =~ s{[^/]+/?$}{};	2051	$base =~ s{[^/]+/?$}{};
1813	$path = "$base/$path";	2052	$path = "$base/$path";
1814	}	2053	}
1815		2054
1816	for ($path) {	2055	for ($path) {
1817	redo if s{//}{/};
1818	redo if s{/\.?/}{/};	2056	redo if s{/\.?/}{/};
1819	redo if s{/[^/]+/\.\./}{/};	2057	redo if s{/[^/]+/\.\./}{/};
1820	}	2058	}
1821		2059
1822	$path	2060	$path
…		…
1836	$self->init; # pass $1 etc.	2074	$self->init; # pass $1 etc.
1837	return $self;	2075	return $self;
1838	}	2076	}
1839	}	2077	}
1840		2078
1841	Carp::cluck "unable to resolve path '$path' (base '$base').";	2079	Carp::cluck "unable to resolve path '$path' (base '$base')";
1842	()	2080	()
1843	}	2081	}
1844		2082
		2083	# may re-bless or do other evil things
1845	sub init {	2084	sub init {
1846	my ($self) = @_;	2085	my ($self) = @_;
1847		2086
1848	$self	2087	$self
1849	}	2088	}
…		…
1868		2107
1869	# the temporary/swap location	2108	# the temporary/swap location
1870	sub save_path {	2109	sub save_path {
1871	my ($self) = @_;	2110	my ($self) = @_;
1872		2111
1873	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2112	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1874	"$TMPDIR/$path.map"	2113	"$TMPDIR/$path.map"
1875	}	2114	}
1876		2115
1877	# the unique path, undef == no special unique path	2116	# the unique path, undef == no special unique path
1878	sub uniq_path {	2117	sub uniq_path {
1879	my ($self) = @_;	2118	my ($self) = @_;
1880		2119
1881	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2120	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1882	"$UNIQUEDIR/$path"	2121	"$UNIQUEDIR/$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 $_->outdoor, values %cf::MAP;
1892	}	2122	}
1893		2123
1894	sub decay_objects {	2124	sub decay_objects {
1895	my ($self) = @_;	2125	my ($self) = @_;
1896		2126
…		…
1923	$self->{load_path} = $path;	2153	$self->{load_path} = $path;
1924		2154
1925	1	2155	1
1926	}	2156	}
1927		2157
		2158	# used to laod the header of an original map
1928	sub load_header_orig {	2159	sub load_header_orig {
1929	my ($self) = @_;	2160	my ($self) = @_;
1930		2161
1931	$self->load_header_from ($self->load_path)	2162	$self->load_header_from ($self->load_path)
1932	}	2163	}
1933		2164
		2165	# used to laod the header of an instantiated map
1934	sub load_header_temp {	2166	sub load_header_temp {
1935	my ($self) = @_;	2167	my ($self) = @_;
1936		2168
1937	$self->load_header_from ($self->save_path)	2169	$self->load_header_from ($self->save_path)
1938	}	2170	}
1939		2171
		2172	# called after loading the header from an instantiated map
1940	sub prepare_temp {	2173	sub prepare_temp {
1941	my ($self) = @_;	2174	my ($self) = @_;
1942		2175
1943	$self->last_access ((delete $self->{last_access})	2176	$self->last_access ((delete $self->{last_access})
1944	|| $cf::RUNTIME); #d#	2177	|| $cf::RUNTIME); #d#
1945	# safety	2178	# safety
1946	$self->{instantiate_time} = $cf::RUNTIME	2179	$self->{instantiate_time} = $cf::RUNTIME
1947	if $self->{instantiate_time} > $cf::RUNTIME;	2180	if $self->{instantiate_time} > $cf::RUNTIME;
1948	}	2181	}
1949		2182
		2183	# called after loading the header from an original map
1950	sub prepare_orig {	2184	sub prepare_orig {
1951	my ($self) = @_;	2185	my ($self) = @_;
1952		2186
1953	$self->{load_original} = 1;	2187	$self->{load_original} = 1;
1954	$self->{instantiate_time} = $cf::RUNTIME;	2188	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1978		2212
1979	sub find;	2213	sub find;
1980	sub find {	2214	sub find {
1981	my ($path, $origin) = @_;	2215	my ($path, $origin) = @_;
1982		2216
		2217	cf::cede_to_tick;
		2218
1983	$path = normalise $path, $origin && $origin->path;	2219	$path = normalise $path, $origin;
1984		2220
1985	cf::lock_wait "map_data:$path";#d#remove	2221	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1986	cf::lock_wait "map_find:$path";	2222	my $guard2 = cf::lock_acquire "map_find:$path";
1987		2223
1988	$cf::MAP{$path} || do {	2224	$cf::MAP{$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	2225	my $map = new_from_path cf::map $path
1993	or return;	2226	or return;
1994		2227
1995	$map->{last_save} = $cf::RUNTIME;	2228	$map->{last_save} = $cf::RUNTIME;
1996		2229
…		…
1998	or return;	2231	or return;
1999		2232
2000	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2233	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2001	# doing this can freeze the server in a sync job, obviously	2234	# doing this can freeze the server in a sync job, obviously
2002	#$cf::WAIT_FOR_TICK->wait;	2235	#$cf::WAIT_FOR_TICK->wait;
		2236	undef $guard2;
2003	undef $guard1;	2237	undef $guard1;
2004	undef $guard2;
2005	$map->reset;	2238	$map->reset;
2006	return find $path;	2239	return find $path;
2007	}	2240	}
2008		2241
2009	$cf::MAP{$path} = $map	2242	$cf::MAP{$path} = $map
2010	}	2243	}
2011	}	2244	}
2012		2245
2013	sub pre_load { }	2246	sub pre_load { }
2014	sub post_load { }	2247	#sub post_load { } # XS
2015		2248
2016	sub load {	2249	sub load {
2017	my ($self) = @_;	2250	my ($self) = @_;
2018		2251
2019	local $self->{deny_reset} = 1; # loading can take a long time	2252	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2022		2255
2023	{	2256	{
2024	my $guard = cf::lock_acquire "map_data:$path";	2257	my $guard = cf::lock_acquire "map_data:$path";
2025		2258
2026	return unless $self->valid;	2259	return unless $self->valid;
2027	return unless $self->in_memory == cf::MAP_SWAPPED;	2260	return unless $self->state == cf::MAP_SWAPPED;
2028
2029	$self->in_memory (cf::MAP_LOADING);
2030		2261
2031	$self->alloc;	2262	$self->alloc;
2032		2263
2033	$self->pre_load;	2264	$self->pre_load;
2034	cf::cede_to_tick;	2265	cf::cede_to_tick;
2035		2266
		2267	if (exists $self->{load_path}) {
2036	my $f = new_from_file cf::object::thawer $self->{load_path};	2268	my $f = new_from_file cf::object::thawer $self->{load_path};
2037	$f->skip_block;	2269	$f->skip_block;
2038	$self->_load_objects ($f)	2270	$self->_load_objects ($f)
2039	or return;	2271	or return;
2040		2272
2041	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2273	$self->post_load_original
2042	if delete $self->{load_original};	2274	if delete $self->{load_original};
2043		2275
2044	if (my $uniq = $self->uniq_path) {	2276	if (my $uniq = $self->uniq_path) {
2045	utf8::encode $uniq;	2277	utf8::encode $uniq;
2046	unless (aio_stat $uniq) {	2278	unless (aio_stat $uniq) {
2047	if (my $f = new_from_file cf::object::thawer $uniq) {	2279	if (my $f = new_from_file cf::object::thawer $uniq) {
2048	$self->clear_unique_items;	2280	$self->clear_unique_items;
2049	$self->_load_objects ($f);	2281	$self->_load_objects ($f);
2050	$f->resolve_delayed_derefs;	2282	$f->resolve_delayed_derefs;
		2283	}
2051	}	2284	}
2052	}	2285	}
2053	}
2054		2286
2055	$f->resolve_delayed_derefs;	2287	$f->resolve_delayed_derefs;
		2288	} else {
		2289	$self->post_load_original
		2290	if delete $self->{load_original};
		2291	}
		2292
		2293	$self->state (cf::MAP_INACTIVE);
2056		2294
2057	cf::cede_to_tick;	2295	cf::cede_to_tick;
2058	# now do the right thing for maps	2296	# now do the right thing for maps
2059	$self->link_multipart_objects;	2297	$self->link_multipart_objects;
2060	$self->difficulty ($self->estimate_difficulty)	2298	$self->difficulty ($self->estimate_difficulty)
…		…
2064	unless ($self->{deny_activate}) {	2302	unless ($self->{deny_activate}) {
2065	$self->decay_objects;	2303	$self->decay_objects;
2066	$self->fix_auto_apply;	2304	$self->fix_auto_apply;
2067	$self->update_buttons;	2305	$self->update_buttons;
2068	cf::cede_to_tick;	2306	cf::cede_to_tick;
2069	$self->set_darkness_map;	2307	#$self->activate; # no longer activate maps automatically
2070	cf::cede_to_tick;
2071	$self->activate;
2072	}	2308	}
2073		2309
2074	$self->{last_save} = $cf::RUNTIME;	2310	$self->{last_save} = $cf::RUNTIME;
2075	$self->last_access ($cf::RUNTIME);	2311	$self->last_access ($cf::RUNTIME);
2076
2077	$self->in_memory (cf::MAP_IN_MEMORY);
2078	}	2312	}
2079		2313
2080	$self->post_load;	2314	$self->post_load;
2081	}
2082		2315
		2316	1
		2317	}
		2318
		2319	# customize the map for a given player, i.e.
		2320	# return the _real_ map. used by e.g. per-player
		2321	# maps to change the path to ~playername/mappath
2083	sub customise_for {	2322	sub customise_for {
2084	my ($self, $ob) = @_;	2323	my ($self, $ob) = @_;
2085		2324
2086	return find "~" . $ob->name . "/" . $self->{path}	2325	return find "~" . $ob->name . "/" . $self->{path}
2087	if $self->per_player;	2326	if $self->per_player;
…		…
2090	# if $self->per_party;	2329	# if $self->per_party;
2091		2330
2092	$self	2331	$self
2093	}	2332	}
2094		2333
2095	# find and load all maps in the 3x3 area around a map
2096	sub load_neighbours {
2097	my ($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	$neigh->load;
2118	}
2119	}
2120
2121	sub find_sync {	2334	sub find_sync {
2122	my ($path, $origin) = @_;	2335	my ($path, $origin) = @_;
2123		2336
2124	cf::sync_job { find $path, $origin }	2337	# it's a bug to call this from the main context
		2338	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2339	if $Coro::current == $Coro::main;
		2340
		2341	find $path, $origin
2125	}	2342	}
2126		2343
2127	sub do_load_sync {	2344	sub do_load_sync {
2128	my ($map) = @_;	2345	my ($map) = @_;
2129		2346
		2347	# it's a bug to call this from the main context
2130	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2348	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2131	if $Coro::current == $Coro::main;	2349	if $Coro::current == $Coro::main;
2132		2350
2133	cf::sync_job { $map->load };	2351	$map->load;
2134	}	2352	}
2135		2353
2136	our %MAP_PREFETCH;	2354	our %MAP_PREFETCH;
2137	our $MAP_PREFETCHER = undef;	2355	our $MAP_PREFETCHER = undef;
2138		2356
2139	sub find_async {	2357	sub find_async {
2140	my ($path, $origin, $load) = @_;	2358	my ($path, $origin, $load) = @_;
2141		2359
2142	$path = normalise $path, $origin && $origin->{path};	2360	$path = normalise $path, $origin;
2143		2361
2144	if (my $map = $cf::MAP{$path}) {	2362	if (my $map = $cf::MAP{$path}) {
2145	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2363	return $map if !$load || $map->linkable;
2146	}	2364	}
2147		2365
2148	$MAP_PREFETCH{$path} |= $load;	2366	$MAP_PREFETCH{$path} |= $load;
2149		2367
2150	$MAP_PREFETCHER ||= cf::async {	2368	$MAP_PREFETCHER ||= cf::async {
…		…
2164	$MAP_PREFETCHER->prio (6);	2382	$MAP_PREFETCHER->prio (6);
2165		2383
2166	()	2384	()
2167	}	2385	}
2168		2386
		2387	# common code, used by both ->save and ->swapout
2169	sub save {	2388	sub _save {
2170	my ($self) = @_;	2389	my ($self) = @_;
2171
2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
2173		2390
2174	$self->{last_save} = $cf::RUNTIME;	2391	$self->{last_save} = $cf::RUNTIME;
2175		2392
2176	return unless $self->dirty;	2393	return unless $self->dirty;
2177		2394
…		…
2186		2403
2187	cf::async {	2404	cf::async {
2188	$Coro::current->{desc} = "map player save";	2405	$Coro::current->{desc} = "map player save";
2189	$_->contr->save for $self->players;	2406	$_->contr->save for $self->players;
2190	};	2407	};
		2408
		2409	cf::get_slot 0.02;
2191		2410
2192	if ($uniq) {	2411	if ($uniq) {
2193	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2412	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2194	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2413	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2195	} else {	2414	} else {
2196	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2415	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2197	}	2416	}
2198	}	2417	}
2199		2418
		2419	sub save {
		2420	my ($self) = @_;
		2421
		2422	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2423
		2424	$self->_save;
		2425	}
		2426
2200	sub swap_out {	2427	sub swap_out {
2201	my ($self) = @_;	2428	my ($self) = @_;
2202		2429
2203	# save first because save cedes
2204	$self->save;
2205
2206	my $lock = cf::lock_acquire "map_data:$self->{path}";	2430	my $lock = cf::lock_acquire "map_data:$self->{path}";
2207		2431
		2432	return if !$self->linkable;
		2433	return if $self->{deny_save};
2208	return if $self->players;	2434	return if $self->players;
2209	return if $self->in_memory != cf::MAP_IN_MEMORY;	2435
		2436	# first deactivate the map and "unlink" it from the core
		2437	$self->deactivate;
		2438	$_->clear_links_to ($self) for values %cf::MAP;
		2439	$self->state (cf::MAP_SWAPPED);
		2440
		2441	# then atomically save
		2442	$self->_save;
		2443
		2444	# then free the map
		2445	$self->clear;
		2446	}
		2447
		2448	sub reset_at {
		2449	my ($self) = @_;
		2450
		2451	# TODO: safety, remove and allow resettable per-player maps
2210	return if $self->{deny_save};	2452	return 1e99 if $self->{deny_reset};
2211		2453
		2454	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2455	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2456
		2457	$time + $to
		2458	}
		2459
		2460	sub should_reset {
		2461	my ($self) = @_;
		2462
		2463	$self->reset_at <= $cf::RUNTIME
		2464	}
		2465
		2466	sub reset {
		2467	my ($self) = @_;
		2468
		2469	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2470
		2471	return if $self->players;
		2472
		2473	cf::trace "resetting map ", $self->path, "\n";
		2474
2212	$self->in_memory (cf::MAP_SWAPPED);	2475	$self->state (cf::MAP_SWAPPED);
		2476
		2477	# need to save uniques path
		2478	unless ($self->{deny_save}) {
		2479	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2480
		2481	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2482	if $uniq;
		2483	}
		2484
		2485	delete $cf::MAP{$self->path};
2213		2486
2214	$self->deactivate;	2487	$self->deactivate;
2215	$_->clear_links_to ($self) for values %cf::MAP;	2488	$_->clear_links_to ($self) for values %cf::MAP;
2216	$self->clear;	2489	$self->clear;
2217	}
2218
2219	sub reset_at {
2220	my ($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		2490
2262	$self->unlink_save;	2491	$self->unlink_save;
2263	$self->destroy;	2492	$self->destroy;
2264	}	2493	}
2265		2494
…		…
2273		2502
2274	delete $cf::MAP{$self->path};	2503	delete $cf::MAP{$self->path};
2275		2504
2276	$self->unlink_save;	2505	$self->unlink_save;
2277		2506
2278	bless $self, "cf::map";	2507	bless $self, "cf::map::wrap";
2279	delete $self->{deny_reset};	2508	delete $self->{deny_reset};
2280	$self->{deny_save} = 1;	2509	$self->{deny_save} = 1;
2281	$self->reset_timeout (1);	2510	$self->reset_timeout (1);
2282	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2511	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2283		2512
…		…
2332		2561
2333	sub unique_maps() {	2562	sub unique_maps() {
2334	[	2563	[
2335	map {	2564	map {
2336	utf8::decode $_;	2565	utf8::decode $_;
2337	/\.map$/	2566	s/\.map$//; # TODO future compatibility hack
		2567	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2568	? ()
2338	? normalise $_	2569	: normalise $_
2339	: ()
2340	} @{ aio_readdir $UNIQUEDIR or [] }	2570	} @{ aio_readdir $UNIQUEDIR or [] }
2341	]	2571	]
2342	}	2572	}
2343		2573
2344	package cf;	2574	=item cf::map::static_maps
		2575
		2576	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2577	file in the shared directory excluding F</styles> and F</editor>). May
		2578	block.
		2579
		2580	=cut
		2581
		2582	sub static_maps() {
		2583	my @dirs = "";
		2584	my @maps;
		2585
		2586	while (@dirs) {
		2587	my $dir = shift @dirs;
		2588
		2589	next if $dir eq "/styles" || $dir eq "/editor";
		2590
		2591	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2592	or return;
		2593
		2594	for (@$files) {
		2595	s/\.map$// or next;
		2596	utf8::decode $_;
		2597	push @maps, "$dir/$_";
		2598	}
		2599
		2600	push @dirs, map "$dir/$_", @$dirs;
		2601	}
		2602
		2603	\@maps
		2604	}
2345		2605
2346	=back	2606	=back
2347		2607
2348	=head3 cf::object	2608	=head3 cf::object
2349		2609
…		…
2353		2613
2354	=over 4	2614	=over 4
2355		2615
2356	=item $ob->inv_recursive	2616	=item $ob->inv_recursive
2357		2617
2358	Returns the inventory of the object _and_ their inventories, recursively.	2618	Returns the inventory of the object I<and> their inventories, recursively,
		2619	but I<not> the object itself.
2359		2620
2360	=cut	2621	=cut
2361		2622
2362	sub inv_recursive_;	2623	sub inv_recursive_;
2363	sub inv_recursive_ {	2624	sub inv_recursive_ {
…		…
2368	inv_recursive_ inv $_[0]	2629	inv_recursive_ inv $_[0]
2369	}	2630	}
2370		2631
2371	=item $ref = $ob->ref	2632	=item $ref = $ob->ref
2372		2633
2373	creates and returns a persistent reference to an objetc that can be stored as a string.	2634	Creates and returns a persistent reference to an object that can be stored as a string.
2374		2635
2375	=item $ob = cf::object::deref ($refstring)	2636	=item $ob = cf::object::deref ($refstring)
2376		2637
2377	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2638	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2378	even if the object actually exists. May block.	2639	even if the object actually exists. May block.
…		…
2410	can be C<undef>. Does the right thing when the player is currently in a	2671	can be C<undef>. Does the right thing when the player is currently in a
2411	dialogue with the given NPC character.	2672	dialogue with the given NPC character.
2412		2673
2413	=cut	2674	=cut
2414		2675
		2676	our $SAY_CHANNEL = {
		2677	id => "say",
		2678	title => "Map",
		2679	reply => "say ",
		2680	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2681	};
		2682
		2683	our $CHAT_CHANNEL = {
		2684	id => "chat",
		2685	title => "Chat",
		2686	reply => "chat ",
		2687	tooltip => "Player chat and shouts, global to the server.",
		2688	};
		2689
2415	# rough implementation of a future "reply" method that works	2690	# rough implementation of a future "reply" method that works
2416	# with dialog boxes.	2691	# with dialog boxes.
2417	#TODO: the first argument must go, split into a $npc->reply_to ( method	2692	#TODO: the first argument must go, split into a $npc->reply_to ( method
2418	sub cf::object::player::reply($$$;$) {	2693	sub cf::object::player::reply($$$;$) {
2419	my ($self, $npc, $msg, $flags) = @_;	2694	my ($self, $npc, $msg, $flags) = @_;
…		…
2430	my $dialog = $pl->{npc_dialog};	2705	my $dialog = $pl->{npc_dialog};
2431	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2706	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2432		2707
2433	} else {	2708	} else {
2434	$msg = $npc->name . " says: $msg" if $npc;	2709	$msg = $npc->name . " says: $msg" if $npc;
2435	$self->message ($msg, $flags);	2710	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2436	}	2711	}
2437	}	2712	}
2438	}	2713	}
2439		2714
2440	=item $object->send_msg ($channel, $msg, $color, [extra...])	2715	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2465		2740
2466	=item $player_object->enter_link	2741	=item $player_object->enter_link
2467		2742
2468	Freezes the player and moves him/her to a special map (C<{link}>).	2743	Freezes the player and moves him/her to a special map (C<{link}>).
2469		2744
2470	The player should be reasonably safe there for short amounts of time. You	2745	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.	2746	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2747	though, as the player cannot control the character while it is on the link
		2748	map.
2472		2749
2473	Will never block.	2750	Will never block.
2474		2751
2475	=item $player_object->leave_link ($map, $x, $y)	2752	=item $player_object->leave_link ($map, $x, $y)
2476		2753
…		…
2496	sub cf::object::player::enter_link {	2773	sub cf::object::player::enter_link {
2497	my ($self) = @_;	2774	my ($self) = @_;
2498		2775
2499	$self->deactivate_recursive;	2776	$self->deactivate_recursive;
2500		2777
		2778	++$self->{_link_recursion};
		2779
2501	return if UNIVERSAL::isa $self->map, "ext::map_link";	2780	return if UNIVERSAL::isa $self->map, "ext::map_link";
2502		2781
2503	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2782	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2504	if $self->map && $self->map->{path} ne "{link}";	2783	if $self->map && $self->map->{path} ne "{link}";
2505		2784
2506	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2785	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2507	}	2786	}
2508		2787
2509	sub cf::object::player::leave_link {	2788	sub cf::object::player::leave_link {
2510	my ($self, $map, $x, $y) = @_;	2789	my ($self, $map, $x, $y) = @_;
2511		2790
…		…
2528	($x, $y) = (-1, -1)	2807	($x, $y) = (-1, -1)
2529	unless (defined $x) && (defined $y);	2808	unless (defined $x) && (defined $y);
2530		2809
2531	# use -1 or undef as default coordinates, not 0, 0	2810	# use -1 or undef as default coordinates, not 0, 0
2532	($x, $y) = ($map->enter_x, $map->enter_y)	2811	($x, $y) = ($map->enter_x, $map->enter_y)
2533	if $x <=0 && $y <= 0;	2812	if $x <= 0 && $y <= 0;
2534		2813
2535	$map->load;	2814	$map->load;
2536	$map->load_neighbours;
2537		2815
2538	return unless $self->contr->active;	2816	return unless $self->contr->active;
2539	$self->activate_recursive;
2540		2817
2541	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2818	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2542	$self->enter_map ($map, $x, $y);	2819	if ($self->enter_map ($map, $x, $y)) {
2543	}	2820	# entering was successful
		2821	delete $self->{_link_recursion};
		2822	# only activate afterwards, to support waiting in hooks
		2823	$self->activate_recursive;
		2824	}
2544		2825
		2826	}
		2827
2545	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2828	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2546		2829
2547	Moves the player to the given map-path and coordinates by first freezing	2830	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	2831	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	2832	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	2833	the new (success) or old (failed) map position. In either case, $done will
2551	be called at the end of this process.	2834	be called at the end of this process.
2552		2835
		2836	Note that $check will be called with a potentially non-loaded map, so if
		2837	it needs a loaded map it has to call C<< ->load >>.
		2838
2553	=cut	2839	=cut
2554		2840
2555	our $GOTOGEN;	2841	our $GOTOGEN;
2556		2842
2557	sub cf::object::player::goto {	2843	sub cf::object::player::goto {
2558	my ($self, $path, $x, $y, $check, $done) = @_;	2844	my ($self, $path, $x, $y, $check, $done) = @_;
		2845
		2846	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2847	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2848	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2849	($path, $x, $y) = @$EMERGENCY_POSITION;
		2850	}
2559		2851
2560	# do generation counting so two concurrent goto's will be executed in-order	2852	# do generation counting so two concurrent goto's will be executed in-order
2561	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2853	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2562		2854
2563	$self->enter_link;	2855	$self->enter_link;
…		…
2583	($path, $x, $y) = (undef, undef, undef);	2875	($path, $x, $y) = (undef, undef, undef);
2584	}	2876	}
2585	}	2877	}
2586		2878
2587	my $map = eval {	2879	my $map = eval {
2588	my $map = defined $path ? cf::map::find $path : undef;	2880	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2589		2881
2590	if ($map) {	2882	if ($map) {
2591	$map = $map->customise_for ($self);	2883	$map = $map->customise_for ($self);
2592	$map = $check->($map) if $check && $map;	2884	$map = $check->($map, $x, $y, $self) if $check && $map;
2593	} else {	2885	} else {
2594	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2886	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2595	}	2887	}
2596		2888
2597	$map	2889	$map
…		…
2605	if ($gen == $self->{_goto_generation}) {	2897	if ($gen == $self->{_goto_generation}) {
2606	delete $self->{_goto_generation};	2898	delete $self->{_goto_generation};
2607	$self->leave_link ($map, $x, $y);	2899	$self->leave_link ($map, $x, $y);
2608	}	2900	}
2609		2901
2610	$done->() if $done;	2902	$done->($self) if $done;
2611	})->prio (1);	2903	})->prio (1);
2612	}	2904	}
2613		2905
2614	=item $player_object->enter_exit ($exit_object)	2906	=item $player_object->enter_exit ($exit_object)
2615		2907
…		…
2635	}	2927	}
2636		2928
2637	sub prepare_random_map {	2929	sub prepare_random_map {
2638	my ($exit) = @_;	2930	my ($exit) = @_;
2639		2931
2640	my $guard = cf::lock_acquire "exit_prepare:$exit";
2641
2642	# all this does is basically replace the /! path by	2932	# all this does is basically replace the /! path by
2643	# a new random map path (?random/...) with a seed	2933	# a new random map path (?random/...) with a seed
2644	# that depends on the exit object	2934	# that depends on the exit object
2645		2935
2646	my $rmp = parse_random_map_params $exit->msg;	2936	my $rmp = parse_random_map_params $exit->msg;
…		…
2648	if ($exit->map) {	2938	if ($exit->map) {
2649	$rmp->{region} = $exit->region->name;	2939	$rmp->{region} = $exit->region->name;
2650	$rmp->{origin_map} = $exit->map->path;	2940	$rmp->{origin_map} = $exit->map->path;
2651	$rmp->{origin_x} = $exit->x;	2941	$rmp->{origin_x} = $exit->x;
2652	$rmp->{origin_y} = $exit->y;	2942	$rmp->{origin_y} = $exit->y;
		2943
		2944	$exit->map->touch;
2653	}	2945	}
2654		2946
2655	$rmp->{random_seed} ||= $exit->random_seed;	2947	$rmp->{random_seed} ||= $exit->random_seed;
2656		2948
2657	my $data = cf::encode_json $rmp;	2949	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2658	my $md5 = Digest::MD5::md5_hex $data;	2950	my $md5 = Digest::MD5::md5_hex $data;
2659	my $meta = "$RANDOMDIR/$md5.meta";	2951	my $meta = "$RANDOMDIR/$md5.meta";
2660		2952
2661	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2662	aio_write $fh, 0, (length $data), $data, 0;	2954	aio_write $fh, 0, (length $data), $data, 0;
2663	undef $fh;	2955	undef $fh;
2664	aio_rename "$meta~", $meta;	2956	aio_rename "$meta~", $meta;
2665		2957
		2958	my $slaying = "?random/$md5";
		2959
		2960	if ($exit->valid) {
2666	$exit->slaying ("?random/$md5");	2961	$exit->slaying ("?random/$md5");
2667	$exit->msg (undef);	2962	$exit->msg (undef);
		2963	}
2668	}	2964	}
2669	}	2965	}
2670		2966
2671	sub cf::object::player::enter_exit {	2967	sub cf::object::player::enter_exit {
2672	my ($self, $exit) = @_;	2968	my ($self, $exit) = @_;
2673		2969
2674	return unless $self->type == cf::PLAYER;	2970	return unless $self->type == cf::PLAYER;
2675		2971
2676	if ($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;	2972	$self->enter_link;
2688		2973
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 {	2974	(async {
2694	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2975	$Coro::current->{desc} = "enter_exit";
2695		2976
2696	$self->deactivate_recursive; # just to be sure
2697	unless (eval {	2977	unless (eval {
		2978	$self->deactivate_recursive; # just to be sure
		2979
		2980	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2981	my $x = $exit->stats->hp;
		2982	my $y = $exit->stats->sp;
		2983
		2984	# special map handling
		2985	my $slaying = $exit->slaying;
		2986
		2987	# special map handling
		2988	if ($slaying eq "/!") {
		2989	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2990
		2991	prepare_random_map $exit
		2992	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2993
		2994	$map = $exit->slaying;
		2995
		2996	} elsif ($slaying eq '!up') {
		2997	$map = $exit->map->tile_path (cf::TILE_UP);
		2998	$x = $exit->x;
		2999	$y = $exit->y;
		3000
		3001	} elsif ($slaying eq '!down') {
		3002	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3003	$x = $exit->x;
		3004	$y = $exit->y;
		3005	}
		3006
2698	$self->goto ($slaying, $hp, $sp);	3007	$self->goto ($map, $x, $y);
2699		3008
		3009	# if exit is damned, update players death & WoR home-position
		3010	$self->contr->savebed ($map, $x, $y)
		3011	if $exit->flag (cf::FLAG_DAMNED);
		3012
2700	1;	3013	1
2701	}) {	3014	}) {
2702	$self->message ("Something went wrong deep within the crossfire server. "	3015	$self->message ("Something went wrong deep within the deliantra server. "
2703	. "I'll try to bring you back to the map you were before. "	3016	. "I'll try to bring you back to the map you were before. "
2704	. "Please report this to the dungeon master!",	3017	. "Please report this to the dungeon master!",
2705	cf::NDI_UNIQUE | cf::NDI_RED);	3018	cf::NDI_UNIQUE | cf::NDI_RED);
2706		3019
2707	warn "ERROR in enter_exit: $@";	3020	error "ERROR in enter_exit: $@";
2708	$self->leave_link;	3021	$self->leave_link;
2709	}	3022	}
2710	})->prio (1);	3023	})->prio (1);
2711	}	3024	}
2712		3025
…		…
2724	sub cf::client::send_drawinfo {	3037	sub cf::client::send_drawinfo {
2725	my ($self, $text, $flags) = @_;	3038	my ($self, $text, $flags) = @_;
2726		3039
2727	utf8::encode $text;	3040	utf8::encode $text;
2728	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3041	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3042	}
		3043
		3044	=item $client->send_big_packet ($pkt)
		3045
		3046	Like C<send_packet>, but tries to compress large packets, and fragments
		3047	them as required.
		3048
		3049	=cut
		3050
		3051	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3052
		3053	sub cf::client::send_big_packet {
		3054	my ($self, $pkt) = @_;
		3055
		3056	# try lzf for large packets
		3057	$pkt = "lzf " . Compress::LZF::compress $pkt
		3058	if 1024 <= length $pkt and $self->{can_lzf};
		3059
		3060	# split very large packets
		3061	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3062	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3063	$pkt = "frag";
		3064	}
		3065
		3066	$self->send_packet ($pkt);
2729	}	3067	}
2730		3068
2731	=item $client->send_msg ($channel, $msg, $color, [extra...])	3069	=item $client->send_msg ($channel, $msg, $color, [extra...])
2732		3070
2733	Send a drawinfo or msg packet to the client, formatting the msg for the	3071	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2737		3075
2738	=cut	3076	=cut
2739		3077
2740	# non-persistent channels (usually the info channel)	3078	# non-persistent channels (usually the info channel)
2741	our %CHANNEL = (	3079	our %CHANNEL = (
		3080	"c/motd" => {
		3081	id => "infobox",
		3082	title => "MOTD",
		3083	reply => undef,
		3084	tooltip => "The message of the day",
		3085	},
2742	"c/identify" => {	3086	"c/identify" => {
2743	id => "infobox",	3087	id => "infobox",
2744	title => "Identify",	3088	title => "Identify",
2745	reply => undef,	3089	reply => undef,
2746	tooltip => "Items recently identified",	3090	tooltip => "Items recently identified",
…		…
2748	"c/examine" => {	3092	"c/examine" => {
2749	id => "infobox",	3093	id => "infobox",
2750	title => "Examine",	3094	title => "Examine",
2751	reply => undef,	3095	reply => undef,
2752	tooltip => "Signs and other items you examined",	3096	tooltip => "Signs and other items you examined",
		3097	},
		3098	"c/shopinfo" => {
		3099	id => "infobox",
		3100	title => "Shop Info",
		3101	reply => undef,
		3102	tooltip => "What your bargaining skill tells you about the shop",
2753	},	3103	},
2754	"c/book" => {	3104	"c/book" => {
2755	id => "infobox",	3105	id => "infobox",
2756	title => "Book",	3106	title => "Book",
2757	reply => undef,	3107	reply => undef,
…		…
2773	id => "infobox",	3123	id => "infobox",
2774	title => "Body Parts",	3124	title => "Body Parts",
2775	reply => undef,	3125	reply => undef,
2776	tooltip => "Shows which body parts you posess and are available",	3126	tooltip => "Shows which body parts you posess and are available",
2777	},	3127	},
		3128	"c/statistics" => {
		3129	id => "infobox",
		3130	title => "Statistics",
		3131	reply => undef,
		3132	tooltip => "Shows your primary statistics",
		3133	},
		3134	"c/skills" => {
		3135	id => "infobox",
		3136	title => "Skills",
		3137	reply => undef,
		3138	tooltip => "Shows your experience per skill and item power",
		3139	},
		3140	"c/shopitems" => {
		3141	id => "infobox",
		3142	title => "Shop Items",
		3143	reply => undef,
		3144	tooltip => "Shows the items currently for sale in this shop",
		3145	},
		3146	"c/resistances" => {
		3147	id => "infobox",
		3148	title => "Resistances",
		3149	reply => undef,
		3150	tooltip => "Shows your resistances",
		3151	},
		3152	"c/pets" => {
		3153	id => "infobox",
		3154	title => "Pets",
		3155	reply => undef,
		3156	tooltip => "Shows information abotu your pets/a specific pet",
		3157	},
		3158	"c/perceiveself" => {
		3159	id => "infobox",
		3160	title => "Perceive Self",
		3161	reply => undef,
		3162	tooltip => "You gained detailed knowledge about yourself",
		3163	},
2778	"c/uptime" => {	3164	"c/uptime" => {
2779	id => "infobox",	3165	id => "infobox",
2780	title => "Uptime",	3166	title => "Uptime",
2781	reply => undef,	3167	reply => undef,
2782	tooltip => "How long the server has been running since last restart",	3168	tooltip => "How long the server has been running since last restart",
…		…
2785	id => "infobox",	3171	id => "infobox",
2786	title => "Map Info",	3172	title => "Map Info",
2787	reply => undef,	3173	reply => undef,
2788	tooltip => "Information related to the maps",	3174	tooltip => "Information related to the maps",
2789	},	3175	},
		3176	"c/party" => {
		3177	id => "party",
		3178	title => "Party",
		3179	reply => "gsay ",
		3180	tooltip => "Messages and chat related to your party",
		3181	},
		3182	"c/death" => {
		3183	id => "death",
		3184	title => "Death",
		3185	reply => undef,
		3186	tooltip => "Reason for and more info about your most recent death",
		3187	},
		3188	"c/say" => $SAY_CHANNEL,
		3189	"c/chat" => $CHAT_CHANNEL,
2790	);	3190	);
2791		3191
2792	sub cf::client::send_msg {	3192	sub cf::client::send_msg {
2793	my ($self, $channel, $msg, $color, @extra) = @_;	3193	my ($self, $channel, $msg, $color, @extra) = @_;
2794		3194
2795	$msg = $self->pl->expand_cfpod ($msg);	3195	$msg = $self->pl->expand_cfpod ($msg)
		3196	unless $color & cf::NDI_VERBATIM;
2796		3197
2797	$color &= cf::NDI_CLIENT_MASK; # just in case...	3198	$color &= cf::NDI_CLIENT_MASK; # just in case...
2798		3199
2799	# check predefined channels, for the benefit of C	3200	# check predefined channels, for the benefit of C
2800	if ($CHANNEL{$channel}) {	3201	if ($CHANNEL{$channel}) {
2801	$channel = $CHANNEL{$channel};	3202	$channel = $CHANNEL{$channel};
2802		3203
2803	$self->ext_msg (channel_info => $channel)	3204	$self->ext_msg (channel_info => $channel);
2804	if $self->can_msg;
2805
2806	$channel = $channel->{id};	3205	$channel = $channel->{id};
2807		3206
2808	} elsif (ref $channel) {	3207	} elsif (ref $channel) {
2809	# send meta info to client, if not yet sent	3208	# send meta info to client, if not yet sent
2810	unless (exists $self->{channel}{$channel->{id}}) {	3209	unless (exists $self->{channel}{$channel->{id}}) {
2811	$self->{channel}{$channel->{id}} = $channel;	3210	$self->{channel}{$channel->{id}} = $channel;
2812	$self->ext_msg (channel_info => $channel)	3211	$self->ext_msg (channel_info => $channel);
2813	if $self->can_msg;
2814	}	3212	}
2815		3213
2816	$channel = $channel->{id};	3214	$channel = $channel->{id};
2817	}	3215	}
2818		3216
2819	return unless @extra || length $msg;	3217	return unless @extra || length $msg;
2820		3218
2821	if ($self->can_msg) {
2822	# default colour, mask it out	3219	# default colour, mask it out
2823	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3220	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2824	if $color & cf::NDI_DEF;	3221	if $color & cf::NDI_DEF;
2825		3222
2826	$self->send_packet ("msg " . $self->{json_coder}->encode (	3223	my $pkt = "msg "
		3224	. $self->{json_coder}->encode (
2827	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3225	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2828	} else {	3226	);
2829	if ($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		3227
2840	$color &= cf::NDI_COLOR_MASK;	3228	$self->send_big_packet ($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	}	3229	}
2854		3230
2855	=item $client->ext_msg ($type, @msg)	3231	=item $client->ext_msg ($type, @msg)
2856		3232
2857	Sends an ext event to the client.	3233	Sends an ext event to the client.
…		…
2860		3236
2861	sub cf::client::ext_msg($$@) {	3237	sub cf::client::ext_msg($$@) {
2862	my ($self, $type, @msg) = @_;	3238	my ($self, $type, @msg) = @_;
2863		3239
2864	if ($self->extcmd == 2) {	3240	if ($self->extcmd == 2) {
2865	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3241	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2866	} elsif ($self->extcmd == 1) { # TODO: remove	3242	} elsif ($self->extcmd == 1) { # TODO: remove
2867	push @msg, msgtype => "event_$type";	3243	push @msg, msgtype => "event_$type";
2868	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3244	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2869	}	3245	}
2870	}	3246	}
2871		3247
2872	=item $client->ext_reply ($msgid, @msg)	3248	=item $client->ext_reply ($msgid, @msg)
2873		3249
…		…
2876	=cut	3252	=cut
2877		3253
2878	sub cf::client::ext_reply($$@) {	3254	sub cf::client::ext_reply($$@) {
2879	my ($self, $id, @msg) = @_;	3255	my ($self, $id, @msg) = @_;
2880		3256
2881	if ($self->extcmd == 2) {	3257	return unless $self->extcmd == 2;
		3258
2882	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3259	$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	}	3260	}
2889		3261
2890	=item $success = $client->query ($flags, "text", \&cb)	3262	=item $success = $client->query ($flags, "text", \&cb)
2891		3263
2892	Queues a query to the client, calling the given callback with	3264	Queues a query to the client, calling the given callback with
…		…
2947	my ($ns, $buf) = @_;	3319	my ($ns, $buf) = @_;
2948		3320
2949	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3321	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2950		3322
2951	if (ref $msg) {	3323	if (ref $msg) {
2952	my ($type, $reply, @payload) =	3324	my ($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		3325
2957	my @reply;	3326	my @reply;
2958		3327
2959	if (my $cb = $EXTICMD{$type}) {	3328	if (my $cb = $EXTICMD{$type}) {
2960	@reply = $cb->($ns, @payload);	3329	@reply = $cb->($ns, @payload);
…		…
2962		3331
2963	$ns->ext_reply ($reply, @reply)	3332	$ns->ext_reply ($reply, @reply)
2964	if $reply;	3333	if $reply;
2965		3334
2966	} else {	3335	} else {
2967	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3336	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2968	}	3337	}
2969		3338
2970	cf::override;	3339	cf::override;
2971	},	3340	},
2972	);	3341	);
…		…
2992		3361
2993	$coro	3362	$coro
2994	}	3363	}
2995		3364
2996	cf::client->attach (	3365	cf::client->attach (
2997	on_destroy => sub {	3366	on_client_destroy => sub {
2998	my ($ns) = @_;	3367	my ($ns) = @_;
2999		3368
3000	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3369	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3001	},	3370	},
3002	);	3371	);
…		…
3018	our $safe_hole = new Safe::Hole;	3387	our $safe_hole = new Safe::Hole;
3019		3388
3020	$SIG{FPE} = 'IGNORE';	3389	$SIG{FPE} = 'IGNORE';
3021		3390
3022	$safe->permit_only (Opcode::opset qw(	3391	$safe->permit_only (Opcode::opset qw(
3023	:base_core :base_mem :base_orig :base_math	3392	:base_core :base_mem :base_orig :base_math :base_loop
3024	grepstart grepwhile mapstart mapwhile	3393	grepstart grepwhile mapstart mapwhile
3025	sort time	3394	sort time
3026	));	3395	));
3027		3396
3028	# here we export the classes and methods available to script code	3397	# here we export the classes and methods available to script code
…		…
3031		3400
3032	The following functions and methods are available within a safe environment:	3401	The following functions and methods are available within a safe environment:
3033		3402
3034	cf::object	3403	cf::object
3035	contr pay_amount pay_player map x y force_find force_add destroy	3404	contr pay_amount pay_player map x y force_find force_add destroy
3036	insert remove name archname title slaying race decrease_ob_nr	3405	insert remove name archname title slaying race decrease split
		3406	value
3037		3407
3038	cf::object::player	3408	cf::object::player
3039	player	3409	player
3040		3410
3041	cf::player	3411	cf::player
…		…
3046		3416
3047	=cut	3417	=cut
3048		3418
3049	for (	3419	for (
3050	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3420	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3051	insert remove inv name archname title slaying race	3421	insert remove inv nrof name archname title slaying race
3052	decrease_ob_nr destroy)],	3422	decrease split destroy change_exp value msg lore send_msg)],
3053	["cf::object::player" => qw(player)],	3423	["cf::object::player" => qw(player)],
3054	["cf::player" => qw(peaceful)],	3424	["cf::player" => qw(peaceful send_msg)],
3055	["cf::map" => qw(trigger)],	3425	["cf::map" => qw(trigger)],
3056	) {	3426	) {
3057	no strict 'refs';
3058	my ($pkg, @funs) = @$_;	3427	my ($pkg, @funs) = @$_;
3059	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3428	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3060	for @funs;	3429	for @funs;
3061	}	3430	}
3062		3431
…		…
3077		3446
3078	my $qcode = $code;	3447	my $qcode = $code;
3079	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3448	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3080	$qcode =~ s/\n/\\n/g;	3449	$qcode =~ s/\n/\\n/g;
3081		3450
		3451	%vars = (_dummy => 0) unless %vars;
		3452
		3453	my @res;
3082	local $_;	3454	local $_;
3083	local @safe::cf::_safe_eval_args = values %vars;
3084		3455
3085	my $eval =	3456	my $eval =
3086	"do {\n"	3457	"do {\n"
3087	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3458	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3088	. "#line 0 \"{$qcode}\"\n"	3459	. "#line 0 \"{$qcode}\"\n"
3089	. $code	3460	. $code
3090	. "\n}"	3461	. "\n}"
3091	;	3462	;
3092		3463
		3464	if ($CFG{safe_eval}) {
3093	sub_generation_inc;	3465	sub_generation_inc;
		3466	local @safe::cf::_safe_eval_args = values %vars;
3094	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3467	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3095	sub_generation_inc;	3468	sub_generation_inc;
		3469	} else {
		3470	local @cf::_safe_eval_args = values %vars;
		3471	@res = wantarray ? eval eval : scalar eval $eval;
		3472	}
3096		3473
3097	if ($@) {	3474	if ($@) {
3098	warn "$@";	3475	warn "$@",
3099	warn "while executing safe code '$code'\n";	3476	"while executing safe code '$code'\n",
3100	warn "with arguments " . (join " ", %vars) . "\n";	3477	"with arguments " . (join " ", %vars) . "\n";
3101	}	3478	}
3102		3479
3103	wantarray ? @res : $res[0]	3480	wantarray ? @res : $res[0]
3104	}	3481	}
3105		3482
…		…
3119	=cut	3496	=cut
3120		3497
3121	sub register_script_function {	3498	sub register_script_function {
3122	my ($fun, $cb) = @_;	3499	my ($fun, $cb) = @_;
3123		3500
3124	no strict 'refs';	3501	$fun = "safe::$fun" if $CFG{safe_eval};
3125	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3502	*$fun = $safe_hole->wrap ($cb);
3126	}	3503	}
3127		3504
3128	=back	3505	=back
3129		3506
3130	=cut	3507	=cut
3131		3508
3132	#############################################################################	3509	#############################################################################
3133	# the server's init and main functions	3510	# the server's init and main functions
		3511
		3512	our %FACEHASH; # hash => idx, #d# HACK for http server
3134		3513
3135	sub load_facedata($) {	3514	sub load_facedata($) {
3136	my ($path) = @_;	3515	my ($path) = @_;
3137		3516
3138	# HACK to clear player env face cache, we need some signal framework	3517	# HACK to clear player env face cache, we need some signal framework
3139	# for this (global event?)	3518	# for this (global event?)
3140	%ext::player_env::MUSIC_FACE_CACHE = ();	3519	%ext::player_env::MUSIC_FACE_CACHE = ();
3141		3520
3142	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3521	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3143		3522
3144	warn "loading facedata from $path\n";	3523	trace "loading facedata from $path\n";
3145		3524
3146	my $facedata;	3525	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		3526
3152	$facedata->{version} == 2	3527	$facedata->{version} == 2
3153	or cf::cleanup "$path: version mismatch, cannot proceed.";	3528	or cf::cleanup "$path: version mismatch, cannot proceed.";
3154		3529
3155	# patch in the exptable	3530	# patch in the exptable
		3531	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3156	$facedata->{resource}{"res/exp_table"} = {	3532	$facedata->{resource}{"res/exp_table"} = {
3157	type => FT_RSRC,	3533	type => FT_RSRC,
3158	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3534	data => $exp_table,
		3535	hash => (Digest::MD5::md5 $exp_table),
3159	};	3536	};
3160	cf::cede_to_tick;	3537	cf::cede_to_tick;
3161		3538
3162	{	3539	{
3163	my $faces = $facedata->{faceinfo};	3540	my $faces = $facedata->{faceinfo};
3164		3541
3165	while (my ($face, $info) = each %$faces) {	3542	for my $face (sort keys %$faces) {
		3543	my $info = $faces->{$face};
3166	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3544	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3167		3545
3168	cf::face::set_visibility $idx, $info->{visibility};	3546	cf::face::set_visibility $idx, $info->{visibility};
3169	cf::face::set_magicmap $idx, $info->{magicmap};	3547	cf::face::set_magicmap $idx, $info->{magicmap};
3170	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3548	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3171	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3549	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3550	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3551	$FACEHASH{$info->{hash64}} = $idx;#d#
3172		3552
3173	cf::cede_to_tick;	3553	cf::cede_to_tick;
3174	}	3554	}
3175		3555
3176	while (my ($face, $info) = each %$faces) {	3556	while (my ($face, $info) = each %$faces) {
…		…
3181		3561
3182	if (my $smooth = cf::face::find $info->{smooth}) {	3562	if (my $smooth = cf::face::find $info->{smooth}) {
3183	cf::face::set_smooth $idx, $smooth;	3563	cf::face::set_smooth $idx, $smooth;
3184	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3564	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3185	} else {	3565	} else {
3186	warn "smooth face '$info->{smooth}' not found for face '$face'";	3566	error "smooth face '$info->{smooth}' not found for face '$face'";
3187	}	3567	}
3188		3568
3189	cf::cede_to_tick;	3569	cf::cede_to_tick;
3190	}	3570	}
3191	}	3571	}
…		…
3200		3580
3201	cf::anim::invalidate_all; # d'oh	3581	cf::anim::invalidate_all; # d'oh
3202	}	3582	}
3203		3583
3204	{	3584	{
3205	# TODO: for gcfclient pleasure, we should give resources
3206	# that gcfclient doesn't grok a >10000 face index.
3207	my $res = $facedata->{resource};	3585	my $res = $facedata->{resource};
3208		3586
3209	while (my ($name, $info) = each %$res) {	3587	while (my ($name, $info) = each %$res) {
3210	if (defined $info->{type}) {	3588	if (defined (my $type = $info->{type})) {
		3589	# 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;	3590	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3212	my $data;
3213		3591
3214	if ($info->{type} & 1) {	3592	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};	3593	cf::face::set_type $idx, $type;
		3594	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3595	$FACEHASH{$info->{hash}} = $idx;#d#
3229	} else {	3596	} else {
3230	$RESOURCE{$name} = $info;	3597	# $RESOURCE{$name} = $info; # unused
3231	}	3598	}
3232		3599
3233	cf::cede_to_tick;	3600	cf::cede_to_tick;
3234	}	3601	}
3235	}	3602	}
3236		3603
3237	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3604	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3238		3605
3239	1	3606	1
3240	}	3607	}
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 => $face;
3258	}
3259	}
3260	});
3261		3608
3262	register_exticmd fx_want => sub {	3609	register_exticmd fx_want => sub {
3263	my ($ns, $want) = @_;	3610	my ($ns, $want) = @_;
3264		3611
3265	while (my ($k, $v) = each %$want) {	3612	while (my ($k, $v) = each %$want) {
3266	$ns->fx_want ($k, $v);	3613	$ns->fx_want ($k, $v);
3267	}	3614	}
3268	};	3615	};
		3616
		3617	sub load_resource_file($) {
		3618	my $guard = lock_acquire "load_resource_file";
		3619
		3620	my $status = load_resource_file_ $_[0];
		3621	get_slot 0.1, 100;
		3622	cf::arch::commit_load;
		3623
		3624	$status
		3625	}
3269		3626
3270	sub reload_regions {	3627	sub reload_regions {
3271	# HACK to clear player env face cache, we need some signal framework	3628	# HACK to clear player env face cache, we need some signal framework
3272	# for this (global event?)	3629	# for this (global event?)
3273	%ext::player_env::MUSIC_FACE_CACHE = ();	3630	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3287	}	3644	}
3288		3645
3289	sub reload_archetypes {	3646	sub reload_archetypes {
3290	load_resource_file "$DATADIR/archetypes"	3647	load_resource_file "$DATADIR/archetypes"
3291	or die "unable to load archetypes\n";	3648	or die "unable to load archetypes\n";
3292	#d# NEED to laod twice to resolve forward references
3293	# this really needs to be done in an extra post-pass
3294	# (which needs to be synchronous, so solve it differently)
3295	load_resource_file "$DATADIR/archetypes"
3296	or die "unable to load archetypes\n";
3297	}	3649	}
3298		3650
3299	sub reload_treasures {	3651	sub reload_treasures {
3300	load_resource_file "$DATADIR/treasures"	3652	load_resource_file "$DATADIR/treasures"
3301	or die "unable to load treasurelists\n";	3653	or die "unable to load treasurelists\n";
3302	}	3654	}
3303		3655
		3656	sub reload_sound {
		3657	trace "loading sound config from $DATADIR/sound\n";
		3658
		3659	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3660
		3661	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3662	my $sound = $soundconf->{compat}[$_]
		3663	or next;
		3664
		3665	my $face = cf::face::find "sound/$sound->[1]";
		3666	cf::sound::set $sound->[0] => $face;
		3667	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3668	}
		3669
		3670	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3671	my $face = cf::face::find "sound/$v";
		3672	cf::sound::set $k => $face;
		3673	}
		3674	}
		3675
3304	sub reload_resources {	3676	sub reload_resources {
3305	warn "reloading resource files...\n";	3677	trace "reloading resource files...\n";
3306		3678
		3679	reload_exp_table;
		3680	reload_materials;
		3681	reload_facedata;
		3682	reload_sound;
		3683	reload_archetypes;
3307	reload_regions;	3684	reload_regions;
3308	reload_facedata;
3309	#reload_archetypes;#d#
3310	reload_archetypes;
3311	reload_treasures;	3685	reload_treasures;
3312		3686
3313	warn "finished reloading resource files\n";	3687	trace "finished reloading resource files\n";
3314	}
3315
3316	sub init {
3317	reload_resources;
3318	}	3688	}
3319		3689
3320	sub reload_config {	3690	sub reload_config {
3321	open my $fh, "<:utf8", "$CONFDIR/config"	3691	trace "reloading config file...\n";
3322	or return;
3323		3692
3324	local $/;	3693	my $config = load_file "$CONFDIR/config";
3325	*CFG = YAML::Load <$fh>;	3694	utf8::decode $config;
		3695	*CFG = decode_yaml $config;
3326		3696
3327	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3697	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3328		3698
3329	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3699	$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};	3700	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3331		3701
3332	if (exists $CFG{mlockall}) {	3702	if (exists $CFG{mlockall}) {
…		…
3336	};	3706	};
3337	warn $@ if $@;	3707	warn $@ if $@;
3338	}	3708	}
3339	}	3709	}
3340		3710
		3711	sub pidfile() {
		3712	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3713	or die "$PIDFILE: $!";
		3714	flock $fh, &Fcntl::LOCK_EX
		3715	or die "$PIDFILE: flock: $!";
		3716	$fh
		3717	}
		3718
		3719	# make sure only one server instance is running at any one time
		3720	sub atomic {
		3721	my $fh = pidfile;
		3722
		3723	my $pid = <$fh>;
		3724	kill 9, $pid if $pid > 0;
		3725
		3726	seek $fh, 0, 0;
		3727	print $fh $$;
		3728	}
		3729
		3730	sub main_loop {
		3731	trace "EV::loop starting\n";
		3732	if (1) {
		3733	EV::loop;
		3734	}
		3735	trace "EV::loop returned\n";
		3736	goto &main_loop unless $REALLY_UNLOOP;
		3737	}
		3738
3341	sub main {	3739	sub main {
		3740	cf::init_globals; # initialise logging
		3741
		3742	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3743	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3744	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3745	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3746
		3747	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3748
3342	# we must not ever block the main coroutine	3749	# we must not ever block the main coroutine
3343	local $Coro::idle = sub {	3750	$Coro::idle = sub {
3344	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3751	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3345	(async {	3752	(async {
3346	$Coro::current->{desc} = "IDLE BUG HANDLER";	3753	$Coro::current->{desc} = "IDLE BUG HANDLER";
3347	EV::loop EV::LOOP_ONESHOT;	3754	EV::loop EV::LOOP_ONESHOT;
3348	})->prio (Coro::PRIO_MAX);	3755	})->prio (Coro::PRIO_MAX);
3349	};	3756	};
3350		3757
		3758	evthread_start IO::AIO::poll_fileno;
		3759
		3760	cf::sync_job {
		3761	cf::incloader::init ();
		3762
		3763	cf::init_anim;
		3764	cf::init_attackmess;
		3765	cf::init_dynamic;
		3766
		3767	cf::load_settings;
		3768
		3769	reload_resources;
3351	reload_config;	3770	reload_config;
3352	db_init;	3771	db_init;
		3772
		3773	cf::init_uuid;
		3774	cf::init_signals;
		3775	cf::init_skills;
		3776
		3777	cf::init_beforeplay;
		3778
		3779	atomic;
		3780
3353	load_extensions;	3781	load_extensions;
3354		3782
3355	$TICK_WATCHER->start;	3783	utime time, time, $RUNTIMEFILE;
3356	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3784
3357	EV::loop;	3785	# no (long-running) fork's whatsoever before this point(!)
		3786	use POSIX ();
		3787	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3788
		3789	cf::_post_init 0;
		3790	};
		3791
		3792	cf::object::thawer::errors_are_fatal 0;
		3793	info "parse errors in files are no longer fatal from this point on.\n";
		3794
		3795	AE::postpone {
		3796	undef &main; # free gobs of memory :)
		3797	};
		3798
		3799	goto &main_loop;
3358	}	3800	}
3359		3801
3360	#############################################################################	3802	#############################################################################
3361	# initialisation and cleanup	3803	# initialisation and cleanup
3362		3804
3363	# install some emergency cleanup handlers	3805	# install some emergency cleanup handlers
3364	BEGIN {	3806	BEGIN {
3365	our %SIGWATCHER = ();	3807	our %SIGWATCHER = ();
3366	for my $signal (qw(INT HUP TERM)) {	3808	for my $signal (qw(INT HUP TERM)) {
3367	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3809	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3368	cf::cleanup "SIG$signal";	3810	cf::cleanup "SIG$signal";
3369	};	3811	};
3370	}	3812	}
3371	}	3813	}
3372		3814
3373	sub write_runtime {	3815	sub write_runtime_sync {
3374	my $runtime = "$LOCALDIR/runtime";	3816	my $t0 = AE::time;
3375		3817
3376	# first touch the runtime file to show we are still running:	3818	# first touch the runtime file to show we are still running:
3377	# the fsync below can take a very very long time.	3819	# the fsync below can take a very very long time.
3378		3820
3379	IO::AIO::aio_utime $runtime, undef, undef;	3821	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3380		3822
3381	my $guard = cf::lock_acquire "write_runtime";	3823	my $guard = cf::lock_acquire "write_runtime";
3382		3824
3383	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3825	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3384	or return;	3826	or return;
3385		3827
3386	my $value = $cf::RUNTIME + 90 + 10;	3828	my $value = $cf::RUNTIME + 90 + 10;
3387	# 10 is the runtime save interval, for a monotonic clock	3829	# 10 is the runtime save interval, for a monotonic clock
3388	# 60 allows for the watchdog to kill the server.	3830	# 60 allows for the watchdog to kill the server.
…		…
3398	aio_utime $fh, undef, undef;	3840	aio_utime $fh, undef, undef;
3399		3841
3400	close $fh	3842	close $fh
3401	or return;	3843	or return;
3402		3844
3403	aio_rename "$runtime~", $runtime	3845	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3404	and return;	3846	and return;
3405		3847
3406	warn "runtime file written.\n";	3848	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3407		3849
3408	1	3850	1
		3851	}
		3852
		3853	our $uuid_lock;
		3854	our $uuid_skip;
		3855
		3856	sub write_uuid_sync($) {
		3857	$uuid_skip ||= $_[0];
		3858
		3859	return if $uuid_lock;
		3860	local $uuid_lock = 1;
		3861
		3862	my $uuid = "$LOCALDIR/uuid";
		3863
		3864	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3865	or return;
		3866
		3867	my $value = uuid_seq uuid_cur;
		3868
		3869	unless ($value) {
		3870	info "cowardly refusing to write zero uuid value!\n";
		3871	return;
		3872	}
		3873
		3874	my $value = uuid_str $value + $uuid_skip;
		3875	$uuid_skip = 0;
		3876
		3877	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3878	and return;
		3879
		3880	# always fsync - this file is important
		3881	aio_fsync $fh
		3882	and return;
		3883
		3884	close $fh
		3885	or return;
		3886
		3887	aio_rename "$uuid~", $uuid
		3888	and return;
		3889
		3890	trace "uuid file written ($value).\n";
		3891
		3892	1
		3893
		3894	}
		3895
		3896	sub write_uuid($$) {
		3897	my ($skip, $sync) = @_;
		3898
		3899	$sync ? write_uuid_sync $skip
		3900	: async { write_uuid_sync $skip };
3409	}	3901	}
3410		3902
3411	sub emergency_save() {	3903	sub emergency_save() {
3412	my $freeze_guard = cf::freeze_mainloop;	3904	my $freeze_guard = cf::freeze_mainloop;
3413		3905
3414	warn "enter emergency perl save\n";	3906	info "emergency_perl_save: enter\n";
		3907
		3908	# this is a trade-off: we want to be very quick here, so
		3909	# save all maps without fsync, and later call a global sync
		3910	# (which in turn might be very very slow)
		3911	local $USE_FSYNC = 0;
3415		3912
3416	cf::sync_job {	3913	cf::sync_job {
		3914	cf::write_runtime_sync; # external watchdog should not bark
		3915
3417	# use a peculiar iteration method to avoid tripping on perl	3916	# use a peculiar iteration method to avoid tripping on perl
3418	# refcount bugs in for. also avoids problems with players	3917	# refcount bugs in for. also avoids problems with players
3419	# and maps saved/destroyed asynchronously.	3918	# and maps saved/destroyed asynchronously.
3420	warn "begin emergency player save\n";	3919	info "emergency_perl_save: begin player save\n";
3421	for my $login (keys %cf::PLAYER) {	3920	for my $login (keys %cf::PLAYER) {
3422	my $pl = $cf::PLAYER{$login} or next;	3921	my $pl = $cf::PLAYER{$login} or next;
3423	$pl->valid or next;	3922	$pl->valid or next;
3424	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3923	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3425	$pl->save;	3924	$pl->save;
3426	}	3925	}
3427	warn "end emergency player save\n";	3926	info "emergency_perl_save: end player save\n";
3428		3927
3429	warn "begin emergency map save\n";	3928	cf::write_runtime_sync; # external watchdog should not bark
		3929
		3930	info "emergency_perl_save: begin map save\n";
3430	for my $path (keys %cf::MAP) {	3931	for my $path (keys %cf::MAP) {
3431	my $map = $cf::MAP{$path} or next;	3932	my $map = $cf::MAP{$path} or next;
3432	$map->valid or next;	3933	$map->valid or next;
3433	$map->save;	3934	$map->save;
3434	}	3935	}
3435	warn "end emergency map save\n";	3936	info "emergency_perl_save: end map save\n";
3436		3937
3437	warn "begin emergency database checkpoint\n";	3938	cf::write_runtime_sync; # external watchdog should not bark
		3939
		3940	info "emergency_perl_save: begin database checkpoint\n";
3438	BDB::db_env_txn_checkpoint $DB_ENV;	3941	BDB::db_env_txn_checkpoint $DB_ENV;
3439	warn "end emergency database checkpoint\n";	3942	info "emergency_perl_save: end database checkpoint\n";
		3943
		3944	info "emergency_perl_save: begin write uuid\n";
		3945	write_uuid_sync 1;
		3946	info "emergency_perl_save: end write uuid\n";
		3947
		3948	cf::write_runtime_sync; # external watchdog should not bark
		3949
		3950	trace "emergency_perl_save: syncing database to disk";
		3951	BDB::db_env_txn_checkpoint $DB_ENV;
		3952
		3953	info "emergency_perl_save: starting sync\n";
		3954	IO::AIO::aio_sync sub {
		3955	info "emergency_perl_save: finished sync\n";
		3956	};
		3957
		3958	cf::write_runtime_sync; # external watchdog should not bark
		3959
		3960	trace "emergency_perl_save: flushing outstanding aio requests";
		3961	while (IO::AIO::nreqs || BDB::nreqs) {
		3962	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3963	}
		3964
		3965	cf::write_runtime_sync; # external watchdog should not bark
3440	};	3966	};
3441		3967
3442	warn "leave emergency perl save\n";	3968	info "emergency_perl_save: leave\n";
3443	}	3969	}
3444		3970
3445	sub post_cleanup {	3971	sub post_cleanup {
3446	my ($make_core) = @_;	3972	my ($make_core) = @_;
3447		3973
		3974	IO::AIO::flush;
		3975
3448	warn Carp::longmess "post_cleanup backtrace"	3976	error Carp::longmess "post_cleanup backtrace"
3449	if $make_core;	3977	if $make_core;
		3978
		3979	my $fh = pidfile;
		3980	unlink $PIDFILE if <$fh> == $$;
		3981	}
		3982
		3983	# a safer delete_package, copied from Symbol
		3984	sub clear_package($) {
		3985	my $pkg = shift;
		3986
		3987	# expand to full symbol table name if needed
		3988	unless ($pkg =~ /^main::.*::$/) {
		3989	$pkg = "main$pkg" if $pkg =~ /^::/;
		3990	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3991	$pkg .= '::' unless $pkg =~ /::$/;
		3992	}
		3993
		3994	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3995	my $stem_symtab = *{$stem}{HASH};
		3996
		3997	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3998	or return;
		3999
		4000	# clear all symbols
		4001	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4002	for my $name (keys %$leaf_symtab) {
		4003	_gv_clear *{"$pkg$name"};
		4004	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4005	}
3450	}	4006	}
3451		4007
3452	sub do_reload_perl() {	4008	sub do_reload_perl() {
3453	# can/must only be called in main	4009	# can/must only be called in main
3454	if ($Coro::current != $Coro::main) {	4010	unless (in_main) {
3455	warn "can only reload from main coroutine";	4011	error "can only reload from main coroutine";
3456	return;	4012	return;
3457	}	4013	}
3458		4014
3459	warn "reloading...";	4015	return if $RELOAD++;
3460		4016
3461	warn "entering sync_job";	4017	my $t1 = AE::time;
3462		4018
		4019	while ($RELOAD) {
		4020	cf::get_slot 0.1, -1, "reload_perl";
		4021	info "perl_reload: reloading...";
		4022
		4023	trace "perl_reload: entering sync_job";
		4024
3463	cf::sync_job {	4025	cf::sync_job {
3464	cf::write_runtime; # external watchdog should not bark
3465	cf::emergency_save;	4026	#cf::emergency_save;
3466	cf::write_runtime; # external watchdog should not bark
3467		4027
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";	4028	trace "perl_reload: cancelling all extension coros";
3485	$_->cancel for values %EXT_CORO;	4029	$_->cancel for values %EXT_CORO;
3486	%EXT_CORO = ();	4030	%EXT_CORO = ();
3487		4031
3488	warn "removing commands";	4032	trace "perl_reload: removing commands";
3489	%COMMAND = ();	4033	%COMMAND = ();
3490		4034
3491	warn "removing ext/exti commands";	4035	trace "perl_reload: removing ext/exti commands";
3492	%EXTCMD = ();	4036	%EXTCMD = ();
3493	%EXTICMD = ();	4037	%EXTICMD = ();
3494		4038
3495	warn "unloading/nuking all extensions";	4039	trace "perl_reload: unloading/nuking all extensions";
3496	for my $pkg (@EXTS) {	4040	for my $pkg (@EXTS) {
3497	warn "... unloading $pkg";	4041	trace "... unloading $pkg";
3498		4042
3499	if (my $cb = $pkg->can ("unload")) {	4043	if (my $cb = $pkg->can ("unload")) {
3500	eval {	4044	eval {
3501	$cb->($pkg);	4045	$cb->($pkg);
3502	1	4046	1
3503	} or warn "$pkg unloaded, but with errors: $@";	4047	} or error "$pkg unloaded, but with errors: $@";
		4048	}
		4049
		4050	trace "... clearing $pkg";
		4051	clear_package $pkg;
3504	}	4052	}
3505		4053
3506	warn "... nuking $pkg";
3507	Symbol::delete_package $pkg;
3508	}
3509
3510	warn "unloading all perl modules loaded from $LIBDIR";	4054	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3511	while (my ($k, $v) = each %INC) {	4055	while (my ($k, $v) = each %INC) {
3512	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4056	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3513		4057
3514	warn "... unloading $k";	4058	trace "... unloading $k";
3515	delete $INC{$k};	4059	delete $INC{$k};
3516		4060
3517	$k =~ s/\.pm$//;	4061	$k =~ s/\.pm$//;
3518	$k =~ s/\//::/g;	4062	$k =~ s/\//::/g;
3519		4063
3520	if (my $cb = $k->can ("unload_module")) {	4064	if (my $cb = $k->can ("unload_module")) {
3521	$cb->();	4065	$cb->();
		4066	}
		4067
		4068	clear_package $k;
3522	}	4069	}
3523		4070
3524	Symbol::delete_package $k;
3525	}
3526
3527	warn "getting rid of safe::, as good as possible";	4071	trace "perl_reload: getting rid of safe::, as good as possible";
3528	Symbol::delete_package "safe::$_"	4072	clear_package "safe::$_"
3529	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4073	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3530		4074
3531	warn "unloading cf.pm \"a bit\"";	4075	trace "perl_reload: unloading cf.pm \"a bit\"";
3532	delete $INC{"cf.pm"};	4076	delete $INC{"cf.pm"};
3533	delete $INC{"cf/pod.pm"};	4077	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3534		4078
3535	# don't, removes xs symbols, too,	4079	# don't, removes xs symbols, too,
3536	# and global variables created in xs	4080	# and global variables created in xs
3537	#Symbol::delete_package __PACKAGE__;	4081	#clear_package __PACKAGE__;
3538		4082
3539	warn "unload completed, starting to reload now";	4083	info "perl_reload: unload completed, starting to reload now";
3540		4084
3541	warn "reloading cf.pm";	4085	trace "perl_reload: reloading cf.pm";
3542	require cf;	4086	require cf;
3543	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4087	cf::_connect_to_perl_1;
3544		4088
3545	warn "loading config and database again";	4089	trace "perl_reload: loading config and database again";
3546	cf::reload_config;	4090	cf::reload_config;
3547		4091
3548	warn "loading extensions";	4092	trace "perl_reload: loading extensions";
3549	cf::load_extensions;	4093	cf::load_extensions;
3550		4094
		4095	if ($REATTACH_ON_RELOAD) {
3551	warn "reattaching attachments to objects/players";	4096	trace "perl_reload: reattaching attachments to objects/players";
3552	_global_reattach; # objects, sockets	4097	_global_reattach; # objects, sockets
3553	warn "reattaching attachments to maps";	4098	trace "perl_reload: reattaching attachments to maps";
3554	reattach $_ for values %MAP;	4099	reattach $_ for values %MAP;
3555	warn "reattaching attachments to players";	4100	trace "perl_reload: reattaching attachments to players";
3556	reattach $_ for values %PLAYER;	4101	reattach $_ for values %PLAYER;
		4102	}
3557		4103
3558	warn "leaving sync_job";	4104	cf::_post_init 1;
3559		4105
		4106	trace "perl_reload: leaving sync_job";
		4107
3560	1	4108	1
3561	} or do {	4109	} or do {
3562	warn $@;	4110	error $@;
3563	warn "error while reloading, exiting.";	4111	cf::cleanup "perl_reload: error, exiting.";
3564	exit 1;	4112	};
		4113
		4114	--$RELOAD;
3565	};	4115	}
3566		4116
3567	warn "reloaded";	4117	$t1 = AE::time - $t1;
		4118	info "perl_reload: completed in ${t1}s\n";
3568	};	4119	};
3569		4120
3570	our $RELOAD_WATCHER; # used only during reload	4121	our $RELOAD_WATCHER; # used only during reload
3571		4122
3572	sub reload_perl() {	4123	sub reload_perl() {
3573	# doing reload synchronously and two reloads happen back-to-back,	4124	# doing reload synchronously and two reloads happen back-to-back,
3574	# coro crashes during coro_state_free->destroy here.	4125	# coro crashes during coro_state_free->destroy here.
3575		4126
		4127	$RELOAD_WATCHER ||= cf::async {
		4128	Coro::AIO::aio_wait cache_extensions;
		4129
3576	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4130	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3577	do_reload_perl;	4131	do_reload_perl;
3578	undef $RELOAD_WATCHER;	4132	undef $RELOAD_WATCHER;
		4133	};
3579	};	4134	};
3580	}	4135	}
3581		4136
3582	register_command "reload" => sub {	4137	register_command "reload" => sub {
3583	my ($who, $arg) = @_;	4138	my ($who, $arg) = @_;
…		…
3589	reload_perl;	4144	reload_perl;
3590	};	4145	};
3591	}	4146	}
3592	};	4147	};
3593		4148
3594	unshift @INC, $LIBDIR;	4149	#############################################################################
3595		4150
3596	my $bug_warning = 0;	4151	my $bug_warning = 0;
3597		4152
3598	our @WAIT_FOR_TICK;
3599	our @WAIT_FOR_TICK_BEGIN;
3600
3601	sub wait_for_tick {	4153	sub wait_for_tick() {
3602	return unless $TICK_WATCHER->is_active;	4154	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3603	return if $Coro::current == $Coro::main;
3604		4155
3605	my $signal = new Coro::Signal;	4156	$WAIT_FOR_TICK->wait;
3606	push @WAIT_FOR_TICK, $signal;
3607	$signal->wait;
3608	}	4157	}
3609		4158
3610	sub wait_for_tick_begin {	4159	sub wait_for_tick_begin() {
3611	return unless $TICK_WATCHER->is_active;	4160	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3612	return if $Coro::current == $Coro::main;
3613		4161
3614	my $signal = new Coro::Signal;	4162	my $signal = new Coro::Signal;
3615	push @WAIT_FOR_TICK_BEGIN, $signal;	4163	push @WAIT_FOR_TICK_BEGIN, $signal;
3616	$signal->wait;	4164	$signal->wait;
3617	}	4165	}
3618		4166
3619	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {	4167	sub tick {
3620	if ($Coro::current != $Coro::main) {	4168	if ($Coro::current != $Coro::main) {
3621	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4169	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3622	unless ++$bug_warning > 10;	4170	unless ++$bug_warning > 10;
3623	return;	4171	return;
3624	}	4172	}
3625		4173
3626	$NOW = $tick_start = EV::now;	4174	cf::one_tick; # one server iteration
3627		4175
3628	cf::server_tick; # one server iteration	4176	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3629
3630	$RUNTIME += $TICK;
3631	$NEXT_TICK = $_[0]->at;
3632		4177
3633	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4178	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3634	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4179	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3635	Coro::async_pool {	4180	Coro::async_pool {
3636	$Coro::current->{desc} = "runtime saver";	4181	$Coro::current->{desc} = "runtime saver";
3637	write_runtime	4182	write_runtime_sync
3638	or warn "ERROR: unable to write runtime file: $!";	4183	or error "ERROR: unable to write runtime file: $!";
3639	};	4184	};
3640	}	4185	}
3641		4186
3642	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4187	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3643	$sig->send;	4188	$sig->send;
3644	}	4189	}
3645	while (my $sig = shift @WAIT_FOR_TICK) {	4190	$WAIT_FOR_TICK->broadcast;
3646	$sig->send;
3647	}
3648		4191
3649	$LOAD = ($NOW - $tick_start) / $TICK;	4192	$LOAD = ($NOW - $TICK_START) / $TICK;
3650	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4193	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3651		4194
3652	_post_tick;	4195	if (0) {
3653	};	4196	if ($NEXT_TICK) {
3654	$TICK_WATCHER->priority (EV::MAXPRI);	4197	my $jitter = $TICK_START - $NEXT_TICK;
		4198	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4199	debug "jitter $JITTER\n";#d#
		4200	}
		4201	}
		4202	}
3655		4203
3656	{	4204	{
3657	# configure BDB	4205	# configure BDB
3658		4206
3659	BDB::min_parallel 8;	4207	BDB::min_parallel 16;
3660	BDB::max_poll_reqs $TICK * 0.1;	4208	BDB::max_poll_reqs $TICK * 0.1;
3661	$Coro::BDB::WATCHER->priority (1);	4209	#$AnyEvent::BDB::WATCHER->priority (1);
3662		4210
3663	unless ($DB_ENV) {	4211	unless ($DB_ENV) {
3664	$DB_ENV = BDB::db_env_create;	4212	$DB_ENV = BDB::db_env_create;
3665	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4213	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3666	| BDB::LOG_AUTOREMOVE, 1);	4214	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4215	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3667	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4216	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3668	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4217	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3669		4218
3670	cf::sync_job {	4219	cf::sync_job {
3671	eval {	4220	eval {
…		…
3697	{	4246	{
3698	# configure IO::AIO	4247	# configure IO::AIO
3699		4248
3700	IO::AIO::min_parallel 8;	4249	IO::AIO::min_parallel 8;
3701	IO::AIO::max_poll_time $TICK * 0.1;	4250	IO::AIO::max_poll_time $TICK * 0.1;
3702	$Coro::AIO::WATCHER->priority (1);	4251	undef $AnyEvent::AIO::WATCHER;
3703	}	4252	}
3704		4253
3705	my $_log_backtrace;	4254	our $_log_backtrace;
		4255	our $_log_backtrace_last;
3706		4256
3707	sub _log_backtrace {	4257	sub _log_backtrace {
3708	my ($msg, @addr) = @_;	4258	my ($msg, @addr) = @_;
3709		4259
3710	$msg =~ s/\n//;	4260	$msg =~ s/\n$//;
3711		4261
		4262	if ($_log_backtrace_last eq $msg) {
		4263	LOG llevInfo, "[ABT] $msg\n";
		4264	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3712	# limit the # of concurrent backtraces	4265	# limit the # of concurrent backtraces
3713	if ($_log_backtrace < 2) {	4266	} elsif ($_log_backtrace < 2) {
		4267	$_log_backtrace_last = $msg;
3714	++$_log_backtrace;	4268	++$_log_backtrace;
		4269	my $perl_bt = Carp::longmess $msg;
3715	async {	4270	async {
3716	$Coro::current->{desc} = "abt $msg";	4271	$Coro::current->{desc} = "abt $msg";
3717		4272
3718	my @bt = fork_call {	4273	my @bt = fork_call {
3719	@addr = map { sprintf "%x", $_ } @addr;	4274	@addr = map { sprintf "%x", $_ } @addr;
…		…
3730	}	4285	}
3731		4286
3732	@funcs	4287	@funcs
3733	};	4288	};
3734		4289
3735	LOG llevInfo, "[ABT] $msg\n";	4290	LOG llevInfo, "[ABT] $perl_bt\n";
		4291	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3736	LOG llevInfo, "[ABT] $_\n" for @bt;	4292	LOG llevInfo, "[ABT] $_\n" for @bt;
3737	--$_log_backtrace;	4293	--$_log_backtrace;
3738	};	4294	};
3739	} else {	4295	} else {
3740	LOG llevInfo, "[ABT] $msg\n";	4296	LOG llevInfo, "[ABT] $msg\n";
3741	LOG llevInfo, "[ABT] [suppressed]\n";	4297	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3742	}	4298	}
3743	}	4299	}
3744		4300
3745	# load additional modules	4301	# load additional modules
3746	use cf::pod;	4302	require "cf/$_.pm" for @EXTRA_MODULES;
		4303	cf::_connect_to_perl_2;
3747		4304
3748	END { cf::emergency_save }	4305	END { cf::emergency_save }
3749		4306
3750	1	4307	1
3751		4308

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