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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.400 by root, Mon Dec 17 06:36:34 2007 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;	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::Syck ();	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	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	80	# strictly for debugging
45	$YAML::Syck::ImplicitUnicode = 1;	81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		82
49	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;
50		86
51	our %COMMAND = ();	87	our %COMMAND = ();
52	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
53		89
54	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
55	our %EXTCMD = ();	91	our %EXTCMD = ();
56	our %EXTICMD = ();	92	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	93	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	94	our %EXT_MAP = (); # pluggable maps
59		95
60	our $RELOAD; # number of reloads so far	96	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	97	our @EVENT;
		98	our @REFLECT; # set by XS
		99	our %REFLECT; # set by us
62		100
63	our $CONFDIR = confdir;	101	our $CONFDIR = confdir;
		102
64	our $DATADIR = datadir;	103	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	104	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	105	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	106	our $MAPDIR = "$DATADIR/" . mapdir;
		107
68	our $LOCALDIR = localdir;	108	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	109	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	110	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	111	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	112	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	113	our $BDBDIR = "$LOCALDIR/db";
		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;
74		124
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	125	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	126	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	127	our $NEXT_TICK;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	128	our $USE_FSYNC = 1; # use fsync to write maps - default on
81		129
82	our $BDB_POLL_WATCHER;
83	our $BDB_DEADLOCK_WATCHER;	130	our $BDB_DEADLOCK_WATCHER;
84	our $BDB_CHECKPOINT_WATCHER;	131	our $BDB_CHECKPOINT_WATCHER;
85	our $BDB_TRICKLE_WATCHER;	132	our $BDB_TRICKLE_WATCHER;
86	our $DB_ENV;	133	our $DB_ENV;
87		134
		135	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		136
88	our %CFG;	137	our %CFG;
		138	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
89		139
90	our $UPTIME; $UPTIME ||= time;	140	our $UPTIME; $UPTIME ||= time;
91	our $RUNTIME;	141	our $RUNTIME = 0;
		142	our $SERVER_TICK = 0;
92	our $NOW;	143	our $NOW;
93		144
94	our (%PLAYER, %PLAYER_LOADING); # all users	145	our (%PLAYER, %PLAYER_LOADING); # all users
95	our (%MAP, %MAP_LOADING ); # all maps	146	our (%MAP, %MAP_LOADING ); # all maps
96	our $LINK_MAP; # the special {link} map, which is always available	147	our $LINK_MAP; # the special {link} map, which is always available
…		…
98	# 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 ∕
99	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	150	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
100		151
101	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)
102	our $LOADAVG; # same thing, but with alpha-smoothing	153	our $LOADAVG; # same thing, but with alpha-smoothing
		154	our $JITTER; # average jitter
103	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 $WAIT_FOR_TICK = new Coro::Signal;
		163	our @WAIT_FOR_TICK_BEGIN;
104		164
105	binmode STDOUT;	165	binmode STDOUT;
106	binmode STDERR;	166	binmode STDERR;
107		167
108	# read virtual server time, if available	168	# read virtual server time, if available
109	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	169	unless ($RUNTIME || !-e $RUNTIMEFILE) {
110	open my $fh, "<", "$LOCALDIR/runtime"	170	open my $fh, "<", $RUNTIMEFILE
111	or die "unable to read runtime file: $!";	171	or die "unable to read $RUNTIMEFILE file: $!";
112	$RUNTIME = <$fh> + 0.;	172	$RUNTIME = <$fh> + 0.;
113	}	173	}
		174
		175	eval "sub TICK() { $TICK } 1" or die;
114		176
115	mkdir $_	177	mkdir $_
116	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	178	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
117		179
118	our $EMERGENCY_POSITION;	180	our $EMERGENCY_POSITION;
119		181
120	sub cf::map::normalise;	182	sub cf::map::normalise;
121		183
		184	sub in_main() {
		185	$Coro::current == $Coro::main
		186	}
		187
122	#############################################################################	188	#############################################################################
123		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
124	=head2 GLOBAL VARIABLES	201	=head2 GLOBAL VARIABLES
125		202
126	=over 4	203	=over 4
127		204
128	=item $cf::UPTIME	205	=item $cf::UPTIME
129		206
130	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.
131		223
132	=item $cf::RUNTIME	224	=item $cf::RUNTIME
133		225
134	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
135	every server tick.	227	every server tick.
…		…
141	Various directories - "/etc", read-only install directory, perl-library	233	Various directories - "/etc", read-only install directory, perl-library
142	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	234	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
143	unique-items directory, player file directory, random maps directory and	235	unique-items directory, player file directory, random maps directory and
144	database environment.	236	database environment.
145		237
146	=item $cf::NOW
147
148	The time of the last (current) server tick.
149
150	=item $cf::TICK
151
152	The interval between server ticks, in seconds.
153
154	=item $cf::LOADAVG	238	=item $cf::LOADAVG
155		239
156	The current CPU load on the server (alpha-smoothed), as a value between 0	240	The current CPU load on the server (alpha-smoothed), as a value between 0
157	(none) and 1 (overloaded), indicating how much time is spent on processing	241	(none) and 1 (overloaded), indicating how much time is spent on processing
158	objects per tick. Healthy values are < 0.5.	242	objects per tick. Healthy values are < 0.5.
…		…
167	from wherever your confdir points to.	251	from wherever your confdir points to.
168		252
169	=item cf::wait_for_tick, cf::wait_for_tick_begin	253	=item cf::wait_for_tick, cf::wait_for_tick_begin
170		254
171	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	255	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
172	returns directly I<after> the tick processing (and consequently, can only wake one process	256	returns directly I<after> the tick processing (and consequently, can only wake one thread
173	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	257	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
174		258
		259	Note that cf::Wait_for_tick will immediately return when the server is not
		260	ticking, making it suitable for small pauses in threads that need to run
		261	when the server is paused. If that is not applicable (i.e. you I<really>
		262	want to wait, use C<$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
175	=item @cf::INVOKE_RESULTS	276	=item @cf::INVOKE_RESULTS
176		277
177	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
178	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
179	that call.	280	that call.
180		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
181	=back	288	=back
182		289
183	=cut	290	=cut
184		291
185	BEGIN {	292	sub error(@) { LOG llevError, join "", @_ }
186	*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 {
187	my $msg = join "", @_;	299	my $msg = join "", @_;
188		300
189	$msg .= "\n"	301	$msg .= "\n"
190	unless $msg =~ /\n$/;	302	unless $msg =~ /\n$/;
191		303
192	$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;
193		305
194	LOG llevError, $msg;	306	LOG llevWarn, $msg;
195	};	307	};
196	}	308
		309	$Coro::State::DIEHOOK = sub {
		310	return unless $^S eq 0; # "eq", not "=="
		311
		312	error Carp::longmess $_[0];
		313
		314	if (in_main) {#d#
		315	error "DIEHOOK called in main context, Coro bug?\n";#d#
		316	return;#d#
		317	}#d#
		318
		319	# kill coroutine otherwise
		320	Coro::terminate
		321	};
197		322
198	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	323	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
199	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	324	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
200	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	325	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
201	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	326	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
208	for my $pkg (qw(	333	for my $pkg (qw(
209	cf::global cf::attachable	334	cf::global cf::attachable
210	cf::object cf::object::player	335	cf::object cf::object::player
211	cf::client cf::player	336	cf::client cf::player
212	cf::arch cf::living	337	cf::arch cf::living
		338	cf::map cf::mapspace
213	cf::map cf::party cf::region	339	cf::party cf::region
214	)) {	340	)) {
215	no strict 'refs';
216	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	341	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
217	}	342	}
218		343
219	$EV::DIED = sub {	344	$EV::DIED = sub {
220	warn "error in event callback: @_";	345	warn "error in event callback: $@";
221	};	346	};
		347
		348	#############################################################################
		349
		350	sub fork_call(&@);
		351	sub get_slot($;$$);
222		352
223	#############################################################################	353	#############################################################################
224		354
225	=head2 UTILITY FUNCTIONS	355	=head2 UTILITY FUNCTIONS
226		356
…		…
247	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	377	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
248	$d	378	$d
249	} || "[unable to dump $_[0]: '$@']";	379	} || "[unable to dump $_[0]: '$@']";
250	}	380	}
251		381
		382	=item $scalar = cf::load_file $path
		383
		384	Loads the given file from path and returns its contents. Croaks on error
		385	and can block.
		386
		387	=cut
		388
		389	sub load_file($) {
		390	0 <= aio_load $_[0], my $data
		391	or Carp::croak "$_[0]: $!";
		392
		393	$data
		394	}
		395
		396	=item $success = cf::replace_file $path, $data, $sync
		397
		398	Atomically replaces the file at the given $path with new $data, and
		399	optionally $sync the data to disk before replacing the file.
		400
		401	=cut
		402
		403	sub replace_file($$;$) {
		404	my ($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
252	=item $ref = cf::decode_json $json	434	=item $ref = cf::decode_json $json
253		435
254	Converts a JSON string into the corresponding perl data structure.	436	Converts a JSON string into the corresponding perl data structure.
255		437
256	=item $json = cf::encode_json $ref	438	=item $json = cf::encode_json $ref
…		…
262	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	444	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
263		445
264	sub encode_json($) { $json_coder->encode ($_[0]) }	446	sub encode_json($) { $json_coder->encode ($_[0]) }
265	sub decode_json($) { $json_coder->decode ($_[0]) }	447	sub decode_json($) { $json_coder->decode ($_[0]) }
266		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
267	=item cf::lock_wait $string	511	=item cf::lock_wait $string
268		512
269	Wait until the given lock is available. See cf::lock_acquire.	513	Wait until the given lock is available. See cf::lock_acquire.
270		514
271	=item my $lock = cf::lock_acquire $string	515	=item my $lock = cf::lock_acquire $string
272		516
273	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
274	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,
275	for example when the coroutine gets canceled), the lock is automatically	519	for example when the coroutine gets canceled), the lock is automatically
276	returned.	520	returned.
277		521
278	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
279	deadlocked coro.	523	deadlocked coro.
…		…
285		529
286	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.
287		531
288	=cut	532	=cut
289		533
290	our %LOCK;	534	our $LOCKS = new Coro::SemaphoreSet;
291	our %LOCKER;#d#
292		535
293	sub lock_wait($) {	536	sub lock_wait($) {
294	my ($key) = @_;	537	$LOCKS->wait ($_[0]);
295
296	if ($LOCKER{$key} == $Coro::current) {#d#
297	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
298	return;#d#
299	}#d#
300
301	# wait for lock, if any
302	while ($LOCK{$key}) {
303	push @{ $LOCK{$key} }, $Coro::current;
304	Coro::schedule;
305	}
306	}	538	}
307		539
308	sub lock_acquire($) {	540	sub lock_acquire($) {
309	my ($key) = @_;	541	$LOCKS->guard ($_[0])
310
311	# wait, to be sure we are not locked
312	lock_wait $key;
313
314	$LOCK{$key} = [];
315	$LOCKER{$key} = $Coro::current;#d#
316
317	Coro::guard {
318	delete $LOCKER{$key};#d#
319	# wake up all waiters, to be on the safe side
320	$_->ready for @{ delete $LOCK{$key} };
321	}
322	}	542	}
323		543
324	sub lock_active($) {	544	sub lock_active($) {
325	my ($key) = @_;	545	$LOCKS->count ($_[0]) < 1
326
327	! ! $LOCK{$key}
328	}	546	}
329		547
330	sub freeze_mainloop {	548	sub freeze_mainloop {
331	return unless $TICK_WATCHER->is_active;	549	tick_inhibit_inc;
332		550
333	my $guard = Coro::guard {	551	&Guard::guard (\&tick_inhibit_dec);
334	$TICK_WATCHER->start;
335	};
336	$TICK_WATCHER->stop;
337	$guard
338	}	552	}
339		553
340	=item cf::periodic $interval, $cb	554	=item cf::periodic $interval, $cb
341		555
342	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
343	get spread over timer.	557	get spread over time.
344		558
345	=cut	559	=cut
346		560
347	sub periodic($$) {	561	sub periodic($$) {
348	my ($interval, $cb) = @_;	562	my ($interval, $cb) = @_;
…		…
352	EV::periodic $start, $interval, 0, $cb	566	EV::periodic $start, $interval, 0, $cb
353	}	567	}
354		568
355	=item cf::get_slot $time[, $priority[, $name]]	569	=item cf::get_slot $time[, $priority[, $name]]
356		570
357	Allocate $time seconds of blocking CPU time at priority C<$priority>:	571	Allocate $time seconds of blocking CPU time at priority C<$priority>
358	This call blocks and returns only when you have at least C<$time> seconds	572	(default: 0): This call blocks and returns only when you have at least
359	of cpu time till the next tick. The slot is only valid till the next cede.	573	C<$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.
360		578
361	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
362	used for statistical purposes and should identify the same time-class.	580	used for statistical purposes and should identify the same time-class.
363		581
364	Useful for short background jobs.	582	Useful for short background jobs.
365		583
366	=cut	584	=cut
367		585
368	our @SLOT_QUEUE;	586	our @SLOT_QUEUE;
369	our $SLOT_QUEUE;	587	our $SLOT_QUEUE;
		588	our $SLOT_DECAY = 0.9;
370		589
371	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	590	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
372	$SLOT_QUEUE = Coro::async {	591	$SLOT_QUEUE = Coro::async {
373	$Coro::current->desc ("timeslot manager");	592	$Coro::current->desc ("timeslot manager");
374		593
375	my $signal = new Coro::Signal;	594	my $signal = new Coro::Signal;
		595	my $busy;
376		596
377	while () {	597	while () {
378	next_job:	598	next_job:
		599
379	my $avail = cf::till_tick;	600	my $avail = cf::till_tick;
380	if ($avail > 0.01) {	601
381	for (0 .. $#SLOT_QUEUE) {	602	for (0 .. $#SLOT_QUEUE) {
382	if ($SLOT_QUEUE[$_][0] < $avail) {	603	if ($SLOT_QUEUE[$_][0] <= $avail) {
		604	$busy = 0;
383	my $job = splice @SLOT_QUEUE, $_, 1, ();	605	my $job = splice @SLOT_QUEUE, $_, 1, ();
384	$job->[2]->send;	606	$job->[2]->send;
385	Coro::cede;	607	Coro::cede;
386	goto next_job;	608	goto next_job;
387	}	609	} else {
		610	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
388	}	611	}
389	}	612	}
390		613
391	if (@SLOT_QUEUE) {	614	if (@SLOT_QUEUE) {
392	# 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
393	push @cf::WAIT_FOR_TICK, $signal;	616	$WAIT_FOR_TICK->wait;
394	$signal->wait;
395	} else {	617	} else {
		618	$busy = 0;
396	Coro::schedule;	619	Coro::schedule;
397	}	620	}
398	}	621	}
399	};	622	};
400		623
401	sub get_slot($;$$) {	624	sub get_slot($;$$) {
		625	return if tick_inhibit || $Coro::current == $Coro::main;
		626
402	my ($time, $pri, $name) = @_;	627	my ($time, $pri, $name) = @_;
403		628
404	$time = $TICK * .6 if $time > $TICK * .6;	629	$time = clamp $time, 0.01, $TICK * .6;
		630
405	my $sig = new Coro::Signal;	631	my $sig = new Coro::Signal;
406		632
407	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	633	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
408	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	634	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
409	$SLOT_QUEUE->ready;	635	$SLOT_QUEUE->ready;
…		…
435	=cut	661	=cut
436		662
437	sub sync_job(&) {	663	sub sync_job(&) {
438	my ($job) = @_;	664	my ($job) = @_;
439		665
440	if ($Coro::current == $Coro::main) {	666	if (in_main) {
441	my $time = EV::time;	667	my $time = AE::time;
442		668
443	# this is the main coro, too bad, we have to block	669	# this is the main coro, too bad, we have to block
444	# till the operation succeeds, freezing the server :/	670	# till the operation succeeds, freezing the server :/
445		671
446	LOG llevError, Carp::longmess "sync job";#d#	672	#LOG llevError, Carp::longmess "sync job";#d#
447		673
448	# TODO: use suspend/resume instead
449	# (but this is cancel-safe)
450	my $freeze_guard = freeze_mainloop;	674	my $freeze_guard = freeze_mainloop;
451		675
452	my $busy = 1;	676	my $busy = 1;
453	my @res;	677	my @res;
454		678
455	(async {	679	(async {
456	$Coro::current->desc ("sync job coro");	680	$Coro::current->desc ("sync job coro");
457	@res = eval { $job->() };	681	@res = eval { $job->() };
458	warn $@ if $@;	682	error $@ if $@;
459	undef $busy;	683	undef $busy;
460	})->prio (Coro::PRIO_MAX);	684	})->prio (Coro::PRIO_MAX);
461		685
462	while ($busy) {	686	while ($busy) {
463	if (Coro::nready) {	687	if (Coro::nready) {
…		…
465	} else {	689	} else {
466	EV::loop EV::LOOP_ONESHOT;	690	EV::loop EV::LOOP_ONESHOT;
467	}	691	}
468	}	692	}
469		693
470	$time = EV::time - $time;	694	my $time = AE::time - $time;
471		695
472	LOG llevError | logBacktrace, Carp::longmess "long sync job"
473	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
474
475	$tick_start += $time; # do not account sync jobs to server load	696	$TICK_START += $time; # do not account sync jobs to server load
476		697
477	wantarray ? @res : $res[0]	698	wantarray ? @res : $res[0]
478	} else {	699	} else {
479	# we are in another coroutine, how wonderful, everything just works	700	# we are in another coroutine, how wonderful, everything just works
480		701
…		…
500	$EXT_CORO{$coro+0} = $coro;	721	$EXT_CORO{$coro+0} = $coro;
501		722
502	$coro	723	$coro
503	}	724	}
504		725
505	=item fork_call { }, $args	726	=item fork_call { }, @args
506		727
507	Executes the given code block with the given arguments in a seperate	728	Executes the given code block with the given arguments in a seperate
508	process, returning the results. Everything must be serialisable with	729	process, returning the results. Everything must be serialisable with
509	Coro::Storable. May, of course, block. Note that the executed sub may	730	Coro::Storable. May, of course, block. Note that the executed sub may
510	never block itself or use any form of event handling.	731	never block itself or use any form of event handling.
511		732
512	=cut	733	=cut
513		734
		735	sub post_fork {
		736	reset_signals;
		737	}
		738
514	sub fork_call(&@) {	739	sub fork_call(&@) {
515	my ($cb, @args) = @_;	740	my ($cb, @args) = @_;
516		741
517	# we seemingly have to make a local copy of the whole thing,	742	# we seemingly have to make a local copy of the whole thing,
518	# otherwise perl prematurely frees the stuff :/	743	# otherwise perl prematurely frees the stuff :/
519	# TODO: investigate and fix (likely this will be rather laborious)	744	# TODO: investigate and fix (likely this will be rather laborious)
520		745
521	my @res = Coro::Util::fork_eval {	746	my @res = Coro::Util::fork_eval {
522	reset_signals;	747	cf::post_fork;
523	&$cb	748	&$cb
524	}, @args;	749	} @args;
525		750
526	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
527	}	790	}
528		791
529	=item $value = cf::db_get $family => $key	792	=item $value = cf::db_get $family => $key
530		793
531	Returns a single value from the environment database.	794	Returns a single value from the environment database.
…		…
541	within each server.	804	within each server.
542		805
543	=cut	806	=cut
544		807
545	sub db_table($) {	808	sub db_table($) {
		809	cf::error "db_get called from main context"
		810	if $Coro::current == $Coro::main;
		811
546	my ($name) = @_;	812	my ($name) = @_;
547	my $db = BDB::db_create $DB_ENV;	813	my $db = BDB::db_create $DB_ENV;
548		814
549	eval {	815	eval {
550	$db->set_flags (BDB::CHKSUM);	816	$db->set_flags (BDB::CHKSUM);
…		…
560	}	826	}
561		827
562	our $DB;	828	our $DB;
563		829
564	sub db_init {	830	sub db_init {
565	cf::sync_job {
566	$DB ||= db_table "db";	831	$DB ||= db_table "db";
567	};
568	}	832	}
569		833
570	sub db_get($$) {	834	sub db_get($$) {
571	my $key = "$_[0]/$_[1]";	835	my $key = "$_[0]/$_[1]";
572		836
573	cf::sync_job {	837	cf::error "db_get called from main context"
		838	if $Coro::current == $Coro::main;
		839
574	BDB::db_get $DB, undef, $key, my $data;	840	BDB::db_get $DB, undef, $key, my $data;
575		841
576	$! ? ()	842	$! ? ()
577	: $data	843	: $data
578	}
579	}	844	}
580		845
581	sub db_put($$$) {	846	sub db_put($$$) {
582	BDB::dbreq_pri 4;	847	BDB::dbreq_pri 4;
583	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	848	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
611		876
612	my @data;	877	my @data;
613	my $md5;	878	my $md5;
614		879
615	for (0 .. $#$src) {	880	for (0 .. $#$src) {
616	0 <= aio_load $src->[$_], $data[$_]	881	$data[$_] = load_file $src->[$_];
617	or Carp::croak "$src->[$_]: $!";
618	}	882	}
619		883
620	# if processing is expensive, check	884	# if processing is expensive, check
621	# checksum first	885	# checksum first
622	if (1) {	886	if (1) {
…		…
639		903
640	my $t1 = Time::HiRes::time;	904	my $t1 = Time::HiRes::time;
641	my $data = $process->(\@data);	905	my $data = $process->(\@data);
642	my $t2 = Time::HiRes::time;	906	my $t2 = Time::HiRes::time;
643		907
644	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	908	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
645		909
646	db_put cache => "$id/data", $data;	910	db_put cache => "$id/data", $data;
647	db_put cache => "$id/md5" , $md5;	911	db_put cache => "$id/md5" , $md5;
648	db_put cache => "$id/meta", $meta;	912	db_put cache => "$id/meta", $meta;
649		913
…		…
659		923
660	=cut	924	=cut
661		925
662	sub datalog($@) {	926	sub datalog($@) {
663	my ($type, %kv) = @_;	927	my ($type, %kv) = @_;
664	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	928	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
665	}	929	}
666		930
667	=back	931	=back
668		932
669	=cut	933	=cut
670		934
671	#############################################################################	935	#############################################################################
672		936
673	=head2 ATTACHABLE OBJECTS	937	=head2 ATTACHABLE OBJECTS
674		938
675	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
676	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")
677	to it. All such attachable objects support the following methods.	941	to it. All such attachable objects support the following methods.
678		942
679	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>
680	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
…		…
730	=item cf::CLASS::attachment $name, ...	994	=item cf::CLASS::attachment $name, ...
731		995
732	Register an attachment by C<$name> through which attachable objects of the	996	Register an attachment by C<$name> through which attachable objects of the
733	given CLASS can refer to this attachment.	997	given CLASS can refer to this attachment.
734		998
735	Some classes such as crossfire maps and objects can specify attachments	999	Some classes such as deliantra maps and objects can specify attachments
736	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.
737		1001
738	These calls expect any number of the following handler/hook descriptions:	1002	These calls expect any number of the following handler/hook descriptions:
739		1003
740	=over 4	1004	=over 4
…		…
864		1128
865	} elsif (exists $cb_id{$type}) {	1129	} elsif (exists $cb_id{$type}) {
866	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1130	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
867		1131
868	} elsif (ref $type) {	1132	} elsif (ref $type) {
869	warn "attaching objects not supported, ignoring.\n";	1133	error "attaching objects not supported, ignoring.\n";
870		1134
871	} else {	1135	} else {
872	shift @arg;	1136	shift @arg;
873	warn "attach argument '$type' not supported, ignoring.\n";	1137	error "attach argument '$type' not supported, ignoring.\n";
874	}	1138	}
875	}	1139	}
876	}	1140	}
877		1141
878	sub _object_attach {	1142	sub _object_attach {
…		…
888	_attach $registry, $klass, @attach;	1152	_attach $registry, $klass, @attach;
889	}	1153	}
890		1154
891	$obj->{$name} = \%arg;	1155	$obj->{$name} = \%arg;
892	} else {	1156	} else {
893	warn "object uses attachment '$name' which is not available, postponing.\n";	1157	info "object uses attachment '$name' which is not available, postponing.\n";
894	}	1158	}
895		1159
896	$obj->{_attachment}{$name} = undef;	1160	$obj->{_attachment}{$name} = undef;
897	}	1161	}
898		1162
…		…
957		1221
958	for (@$callbacks) {	1222	for (@$callbacks) {
959	eval { &{$_->[1]} };	1223	eval { &{$_->[1]} };
960		1224
961	if ($@) {	1225	if ($@) {
962	warn "$@";
963	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1226	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
964	override;	1227	override;
965	}	1228	}
966		1229
967	return 1 if $override;	1230	return 1 if $override;
968	}	1231	}
969		1232
970	0	1233	0
971	}	1234	}
972		1235
973	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
974		1237
975	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
976		1239
977	Generate an object-specific event with the given arguments.	1240	Generate an object-specific event with the given arguments.
978		1241
…		…
1031		1294
1032	sub reattach {	1295	sub reattach {
1033	# basically do the same as instantiate, without calling instantiate	1296	# basically do the same as instantiate, without calling instantiate
1034	my ($obj) = @_;	1297	my ($obj) = @_;
1035		1298
		1299	# no longer needed after getting rid of delete_package?
1036	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
1037		1301
1038	my $registry = $obj->registry;	1302	my $registry = $obj->registry;
1039		1303
1040	@$registry = ();	1304	@$registry = ();
1041		1305
…		…
1046	for (@$attach) {	1310	for (@$attach) {
1047	my ($klass, @attach) = @$_;	1311	my ($klass, @attach) = @$_;
1048	_attach $registry, $klass, @attach;	1312	_attach $registry, $klass, @attach;
1049	}	1313	}
1050	} else {	1314	} else {
1051	warn "object uses attachment '$name' that is not available, postponing.\n";	1315	info "object uses attachment '$name' that is not available, postponing.\n";
1052	}	1316	}
1053	}	1317	}
1054	}	1318	}
1055		1319
1056	cf::attachable->attach (	1320	cf::attachable->attach (
…		…
1083	my ($filename, $rdata, $objs) = @_;	1347	my ($filename, $rdata, $objs) = @_;
1084		1348
1085	sync_job {	1349	sync_job {
1086	if (length $$rdata) {	1350	if (length $$rdata) {
1087	utf8::decode (my $decname = $filename);	1351	utf8::decode (my $decname = $filename);
1088	warn sprintf "saving %s (%d,%d)\n",	1352	trace sprintf "saving %s (%d,%d)\n",
1089	$decname, length $$rdata, scalar @$objs;	1353	$decname, length $$rdata, scalar @$objs
		1354	if $VERBOSE_IO;
1090		1355
1091	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1356	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1092	chmod SAVE_MODE, $fh;	1357	aio_chmod $fh, SAVE_MODE;
1093	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1358	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1094	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	}
1095	close $fh;	1363	aio_close $fh;
1096		1364
1097	if (@$objs) {	1365	if (@$objs) {
1098	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) {
1099	chmod SAVE_MODE, $fh;	1367	aio_chmod $fh, SAVE_MODE;
1100	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1368	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1101	aio_write $fh, 0, (length $data), $data, 0;	1369	aio_write $fh, 0, (length $data), $data, 0;
1102	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	}
1103	close $fh;	1374	aio_close $fh;
1104	aio_rename "$filename.pst~", "$filename.pst";	1375	aio_rename "$filename.pst~", "$filename.pst";
1105	}	1376	}
1106	} else {	1377	} else {
1107	aio_unlink "$filename.pst";	1378	aio_unlink "$filename.pst";
1108	}	1379	}
1109		1380
1110	aio_rename "$filename~", $filename;	1381	aio_rename "$filename~", $filename;
		1382
		1383	$filename =~ s%/[^/]+$%%;
		1384	aio_pathsync $filename if $cf::USE_FSYNC;
1111	} else {	1385	} else {
1112	warn "FATAL: $filename~: $!\n";	1386	error "unable to save objects: $filename~: $!\n";
1113	}	1387	}
1114	} else {	1388	} else {
1115	aio_unlink $filename;	1389	aio_unlink $filename;
1116	aio_unlink "$filename.pst";	1390	aio_unlink "$filename.pst";
1117	}	1391	}
…		…
1141	my $st = eval { Coro::Storable::thaw $av };	1415	my $st = eval { Coro::Storable::thaw $av };
1142	$av = $st->{objs};	1416	$av = $st->{objs};
1143	}	1417	}
1144		1418
1145	utf8::decode (my $decname = $filename);	1419	utf8::decode (my $decname = $filename);
1146	warn sprintf "loading %s (%d,%d)\n",	1420	trace sprintf "loading %s (%d,%d)\n",
1147	$decname, length $data, scalar @{$av || []};	1421	$decname, length $data, scalar @{$av || []}
		1422	if $VERBOSE_IO;
1148		1423
1149	($data, $av)	1424	($data, $av)
1150	}	1425	}
1151		1426
1152	=head2 COMMAND CALLBACKS	1427	=head2 COMMAND CALLBACKS
…		…
1208	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1209		1484
1210	$EXTICMD{$name} = $cb;	1485	$EXTICMD{$name} = $cb;
1211	}	1486	}
1212		1487
		1488	use File::Glob ();
		1489
1213	cf::player->attach (	1490	cf::player->attach (
1214	on_command => sub {	1491	on_unknown_command => sub {
1215	my ($pl, $name, $params) = @_;	1492	my ($pl, $name, $params) = @_;
1216		1493
1217	my $cb = $COMMAND{$name}	1494	my $cb = $COMMAND{$name}
1218	or return;	1495	or return;
1219		1496
…		…
1227	my ($pl, $buf) = @_;	1504	my ($pl, $buf) = @_;
1228		1505
1229	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1506	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1230		1507
1231	if (ref $msg) {	1508	if (ref $msg) {
1232	my ($type, $reply, @payload) =	1509	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1233	"ARRAY" eq ref $msg
1234	? @$msg
1235	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1236		1510
1237	my @reply;	1511	my @reply;
1238		1512
1239	if (my $cb = $EXTCMD{$type}) {	1513	if (my $cb = $EXTCMD{$type}) {
1240	@reply = $cb->($pl, @payload);	1514	@reply = $cb->($pl, @payload);
…		…
1242		1516
1243	$pl->ext_reply ($reply, @reply)	1517	$pl->ext_reply ($reply, @reply)
1244	if $reply;	1518	if $reply;
1245		1519
1246	} else {	1520	} else {
1247	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1521	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1248	}	1522	}
1249		1523
1250	cf::override;	1524	cf::override;
1251	},	1525	},
1252	);	1526	);
1253		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
1254	sub load_extensions {	1552	sub load_extensions {
		1553	info "loading extensions...";
		1554
		1555	%EXT_CFG = ();
		1556
1255	cf::sync_job {	1557	cf::sync_job {
1256	my %todo;	1558	my %todo;
1257		1559
1258	for my $path (<$LIBDIR/*.ext>) {	1560	for my $path (<$LIBDIR/*.ext>) {
1259	next unless -r $path;	1561	next unless -r $path;
…		…
1277		1579
1278	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1580	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1279	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1581	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1280		1582
1281	$ext{source} =	1583	$ext{source} =
1282	"package $pkg; use strict; use utf8;\n"	1584	"package $pkg; use common::sense;\n"
1283	. "#line 1 \"$path\"\n{\n"	1585	. "#line 1 \"$path\"\n{\n"
1284	. $source	1586	. $source
1285	. "\n};\n1";	1587	. "\n};\n1";
1286		1588
1287	$todo{$base} = \%ext;	1589	$todo{$base} = \%ext;
1288	}	1590	}
1289		1591
		1592	my $pass = 0;
1290	my %done;	1593	my %done;
1291	while (%todo) {	1594	while (%todo) {
1292	my $progress;	1595	my $progress;
1293		1596
		1597	++$pass;
		1598
		1599	ext:
1294	while (my ($k, $v) = each %todo) {	1600	while (my ($k, $v) = each %todo) {
1295	for (split /,\s*/, $v->{meta}{depends}) {	1601	for (split /,\s*/, $v->{meta}{depends}) {
1296	goto skip	1602	next ext
1297	unless exists $done{$_};	1603	unless exists $done{$_};
1298	}	1604	}
1299		1605
1300	warn "... loading '$k' into '$v->{pkg}'\n";	1606	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1301		1607
1302	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 $@) {
1303	my $msg = $@ ? "$v->{path}: $@\n"	1620	error "$v->{path}: $@\n";
1304	: "$v->{base}: extension inactive.\n";
1305		1621
		1622	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1306	if (exists $v->{meta}{mandatory}) {	1623	if exists $v->{meta}{mandatory};
1307	warn $msg;	1624
1308	warn "mandatory extension failed to load, exiting.\n";	1625	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1309	exit 1;	1626	delete $todo{$k};
1310	}	1627	} else {
1311		1628	$done{$k} = delete $todo{$k};
1312	warn $msg;	1629	push @EXTS, $v->{pkg};
		1630	$progress = 1;
		1631
		1632	info "$v->{base}: extension inactive.\n"
		1633	unless $active;
1313	}	1634	}
1314
1315	$done{$k} = delete $todo{$k};
1316	push @EXTS, $v->{pkg};
1317	$progress = 1;
1318	}	1635	}
1319		1636
1320	skip:	1637	unless ($progress) {
1321	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1638	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1322	unless $progress;	1639
		1640	while (my ($k, $v) = each %todo) {
		1641	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1642	if exists $v->{meta}{mandatory};
		1643	}
		1644
		1645	last;
		1646	}
1323	}	1647	}
1324	};	1648	};
1325	}	1649	}
1326		1650
1327	#############################################################################	1651	#############################################################################
1328		1652
1329	=back	1653	=back
1330		1654
1331	=head2 CORE EXTENSIONS	1655	=head2 CORE EXTENSIONS
1332		1656
1333	Functions and methods that extend core crossfire objects.	1657	Functions and methods that extend core deliantra objects.
1334		1658
1335	=cut	1659	=cut
1336		1660
1337	package cf::player;	1661	package cf::player;
1338		1662
…		…
1381		1705
1382	sub exists($) {	1706	sub exists($) {
1383	my ($login) = @_;	1707	my ($login) = @_;
1384		1708
1385	$cf::PLAYER{$login}	1709	$cf::PLAYER{$login}
1386	or cf::sync_job { !aio_stat path $login }	1710	or !aio_stat path $login
1387	}	1711	}
1388		1712
1389	sub find($) {	1713	sub find($) {
1390	return $cf::PLAYER{$_[0]} || do {	1714	return $cf::PLAYER{$_[0]} || do {
1391	my $login = $_[0];	1715	my $login = $_[0];
…		…
1403	my $f = new_from_file cf::object::thawer path $login	1727	my $f = new_from_file cf::object::thawer path $login
1404	or return;	1728	or return;
1405		1729
1406	my $pl = cf::player::load_pl $f	1730	my $pl = cf::player::load_pl $f
1407	or return;	1731	or return;
		1732
1408	local $cf::PLAYER_LOADING{$login} = $pl;	1733	local $cf::PLAYER_LOADING{$login} = $pl;
1409	$f->resolve_delayed_derefs;	1734	$f->resolve_delayed_derefs;
1410	$cf::PLAYER{$login} = $pl	1735	$cf::PLAYER{$login} = $pl
1411	}	1736	}
1412	}	1737	}
1413	}	1738	}
1414		1739
		1740	cf::player->attach (
		1741	on_load => sub {
		1742	my ($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
1415	sub save($) {	1753	sub save($) {
1416	my ($pl) = @_;	1754	my ($pl) = @_;
1417		1755
1418	return if $pl->{deny_save};	1756	return if $pl->{deny_save};
1419		1757
…		…
1422		1760
1423	return if $pl->{deny_save};	1761	return if $pl->{deny_save};
1424		1762
1425	aio_mkdir playerdir $pl, 0770;	1763	aio_mkdir playerdir $pl, 0770;
1426	$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];
1427		1770
1428	$pl->save_pl ($path);	1771	$pl->save_pl ($path);
1429	cf::cede_to_tick;	1772	cf::cede_to_tick;
1430	}	1773	}
1431		1774
…		…
1463	my ($pl) = @_;	1806	my ($pl) = @_;
1464		1807
1465	my $name = $pl->ob->name;	1808	my $name = $pl->ob->name;
1466		1809
1467	$pl->{deny_save} = 1;	1810	$pl->{deny_save} = 1;
1468	$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
1469		1812
1470	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1813	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1471	$pl->deactivate;	1814	$pl->deactivate;
		1815
		1816	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1472	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1817	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1818	ext::highscore::check ($pl->ob);
		1819
1473	$pl->ns->destroy if $pl->ns;	1820	$pl->ns->destroy if $pl->ns;
1474		1821
1475	my $path = playerdir $pl;	1822	my $path = playerdir $pl;
1476	my $temp = "$path~$cf::RUNTIME~deleting~";	1823	my $temp = "$path~$cf::RUNTIME~deleting~";
1477	aio_rename $path, $temp;	1824	aio_rename $path, $temp;
…		…
1515		1862
1516	for my $login (@$dirs) {	1863	for my $login (@$dirs) {
1517	my $path = path $login;	1864	my $path = path $login;
1518		1865
1519	# a .pst is a dead give-away for a valid player	1866	# a .pst is a dead give-away for a valid player
1520	unless (-e "$path.pst") {	1867	# if no pst file found, open and chekc for blocked users
		1868	if (aio_stat "$path.pst") {
1521	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1869	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1522	aio_read $fh, 0, 512, my $buf, 0 or next;	1870	aio_read $fh, 0, 512, my $buf, 0 or next;
1523	$buf !~ /^password -------------$/m or next; # official not-valid tag	1871	$buf !~ /^password -------------$/m or next; # official not-valid tag
1524	}	1872	}
1525		1873
…		…
1529		1877
1530	\@logins	1878	\@logins
1531	}	1879	}
1532		1880
1533	=item $player->maps	1881	=item $player->maps
		1882
		1883	=item cf::player::maps $login
1534		1884
1535	Returns an arrayref of map paths that are private for this	1885	Returns an arrayref of map paths that are private for this
1536	player. May block.	1886	player. May block.
1537		1887
1538	=cut	1888	=cut
…		…
1556	}	1906	}
1557		1907
1558	\@paths	1908	\@paths
1559	}	1909	}
1560		1910
1561	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1911	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1562		1912
1563	Expand crossfire pod fragments into protocol xml.	1913	Expand deliantra pod fragments into protocol xml.
1564
1565	=cut
1566
1567	use re 'eval';
1568
1569	my $group;
1570	my $interior; $interior = qr{
1571	# match a pod interior sequence sans C<< >>
1572	(?:
1573	\ (.*?)\ (?{ $group = $^N })
1574	| < (??{$interior}) >
1575	)
1576	}x;
1577
1578	sub expand_cfpod {
1579	my ($self, $pod) = @_;
1580
1581	my $xml;
1582
1583	while () {
1584	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1585	$group = $1;
1586
1587	$group =~ s/&/&amp;/g;
1588	$group =~ s/</&lt;/g;
1589
1590	$xml .= $group;
1591	} elsif ($pod =~ m%\G
1592	([BCGHITU])
1593	<
1594	(?:
1595	([^<>]*) (?{ $group = $^N })
1596	| < $interior >
1597	)
1598	>
1599	%gcsx
1600	) {
1601	my ($code, $data) = ($1, $group);
1602
1603	if ($code eq "B") {
1604	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1605	} elsif ($code eq "I") {
1606	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1607	} elsif ($code eq "U") {
1608	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1609	} elsif ($code eq "C") {
1610	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1611	} elsif ($code eq "T") {
1612	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1613	} elsif ($code eq "G") {
1614	my ($male, $female) = split /\|/, $data;
1615	$data = $self->gender ? $female : $male;
1616	$xml .= expand_cfpod ($self, $data);
1617	} elsif ($code eq "H") {
1618	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1619	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1620	"")
1621	[$self->{hintmode}];
1622	} else {
1623	$xml .= "error processing '$code($data)' directive";
1624	}
1625	} else {
1626	if ($pod =~ /\G(.+)/) {
1627	warn "parse error while expanding $pod (at $1)";
1628	}
1629	last;
1630	}
1631	}
1632
1633	for ($xml) {
1634	# create single paragraphs (very hackish)
1635	s/(?<=\S)\n(?=\w)/ /g;
1636
1637	# compress some whitespace
1638	s/\s+\n/\n/g; # ws line-ends
1639	s/\n\n+/\n/g; # double lines
1640	s/^\n+//; # beginning lines
1641	s/\n+$//; # ending lines
1642	}
1643
1644	$xml
1645	}
1646
1647	no re 'eval';
1648
1649	sub hintmode {
1650	$_[0]{hintmode} = $_[1] if @_ > 1;
1651	$_[0]{hintmode}
1652	}
1653		1914
1654	=item $player->ext_reply ($msgid, @msg)	1915	=item $player->ext_reply ($msgid, @msg)
1655		1916
1656	Sends an ext reply to the player.	1917	Sends an ext reply to the player.
1657		1918
…		…
1689		1950
1690	=cut	1951	=cut
1691		1952
1692	sub find_by_path($) {	1953	sub find_by_path($) {
1693	my ($path) = @_;	1954	my ($path) = @_;
		1955
		1956	$path =~ s/^~[^\/]*//; # skip ~login
1694		1957
1695	my ($match, $specificity);	1958	my ($match, $specificity);
1696		1959
1697	for my $region (list) {	1960	for my $region (list) {
1698	if ($region->{match} && $path =~ $region->{match}) {	1961	if ($region->{match} && $path =~ $region->{match}) {
…		…
1724	our $MAX_RESET = 3600;	1987	our $MAX_RESET = 3600;
1725	our $DEFAULT_RESET = 3000;	1988	our $DEFAULT_RESET = 3000;
1726		1989
1727	sub generate_random_map {	1990	sub generate_random_map {
1728	my ($self, $rmp) = @_;	1991	my ($self, $rmp) = @_;
1729	# mit "rum" bekleckern, nicht	1992
		1993	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1994
1730	$self->_create_random_map (	1995	$self->_create_random_map ($rmp);
1731	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1732	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1733	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1734	$rmp->{exit_on_final_map},
1735	$rmp->{xsize}, $rmp->{ysize},
1736	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1737	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1738	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1739	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1740	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1741	(cf::region::find $rmp->{region}), $rmp->{custom}
1742	)
1743	}	1996	}
1744		1997
1745	=item cf::map->register ($regex, $prio)	1998	=item cf::map->register ($regex, $prio)
1746		1999
1747	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
…		…
1752		2005
1753	sub register {	2006	sub register {
1754	my (undef, $regex, $prio) = @_;	2007	my (undef, $regex, $prio) = @_;
1755	my $pkg = caller;	2008	my $pkg = caller;
1756		2009
1757	no strict;
1758	push @{"$pkg\::ISA"}, __PACKAGE__;	2010	push @{"$pkg\::ISA"}, __PACKAGE__;
1759		2011
1760	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2012	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1761	}	2013	}
1762		2014
1763	# also paths starting with '/'	2015	# also paths starting with '/'
1764	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2016	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1765		2017
1766	sub thawer_merge {	2018	sub thawer_merge {
1767	my ($self, $merge) = @_;	2019	my ($self, $merge) = @_;
1768		2020
1769	# we have to keep some variables in memory intact	2021	# we have to keep some variables in memory intact
…		…
1774	}	2026	}
1775		2027
1776	sub normalise {	2028	sub normalise {
1777	my ($path, $base) = @_;	2029	my ($path, $base) = @_;
1778		2030
1779	$path = "$path"; # make sure its a string	2031	$path = "$path"; # make sure it's a string
1780		2032
1781	$path =~ s/\.map$//;	2033	$path =~ s/\.map$//;
1782		2034
1783	# map plan:	2035	# map plan:
1784	#	2036	#
…		…
1799	$base =~ s{[^/]+/?$}{};	2051	$base =~ s{[^/]+/?$}{};
1800	$path = "$base/$path";	2052	$path = "$base/$path";
1801	}	2053	}
1802		2054
1803	for ($path) {	2055	for ($path) {
1804	redo if s{//}{/};
1805	redo if s{/\.?/}{/};	2056	redo if s{/\.?/}{/};
1806	redo if s{/[^/]+/\.\./}{/};	2057	redo if s{/[^/]+/\.\./}{/};
1807	}	2058	}
1808		2059
1809	$path	2060	$path
…		…
1823	$self->init; # pass $1 etc.	2074	$self->init; # pass $1 etc.
1824	return $self;	2075	return $self;
1825	}	2076	}
1826	}	2077	}
1827		2078
1828	Carp::cluck "unable to resolve path '$path' (base '$base').";	2079	Carp::cluck "unable to resolve path '$path' (base '$base')";
1829	()	2080	()
1830	}	2081	}
1831		2082
		2083	# may re-bless or do other evil things
1832	sub init {	2084	sub init {
1833	my ($self) = @_;	2085	my ($self) = @_;
1834		2086
1835	$self	2087	$self
1836	}	2088	}
…		…
1855		2107
1856	# the temporary/swap location	2108	# the temporary/swap location
1857	sub save_path {	2109	sub save_path {
1858	my ($self) = @_;	2110	my ($self) = @_;
1859		2111
1860	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2112	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1861	"$TMPDIR/$path.map"	2113	"$TMPDIR/$path.map"
1862	}	2114	}
1863		2115
1864	# the unique path, undef == no special unique path	2116	# the unique path, undef == no special unique path
1865	sub uniq_path {	2117	sub uniq_path {
1866	my ($self) = @_;	2118	my ($self) = @_;
1867		2119
1868	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2120	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1869	"$UNIQUEDIR/$path"	2121	"$UNIQUEDIR/$path"
1870	}
1871
1872	# and all this just because we cannot iterate over
1873	# all maps in C++...
1874	sub change_all_map_light {
1875	my ($change) = @_;
1876
1877	$_->change_map_light ($change)
1878	for grep $_->outdoor, values %cf::MAP;
1879	}	2122	}
1880		2123
1881	sub decay_objects {	2124	sub decay_objects {
1882	my ($self) = @_;	2125	my ($self) = @_;
1883		2126
…		…
1910	$self->{load_path} = $path;	2153	$self->{load_path} = $path;
1911		2154
1912	1	2155	1
1913	}	2156	}
1914		2157
		2158	# used to laod the header of an original map
1915	sub load_header_orig {	2159	sub load_header_orig {
1916	my ($self) = @_;	2160	my ($self) = @_;
1917		2161
1918	$self->load_header_from ($self->load_path)	2162	$self->load_header_from ($self->load_path)
1919	}	2163	}
1920		2164
		2165	# used to laod the header of an instantiated map
1921	sub load_header_temp {	2166	sub load_header_temp {
1922	my ($self) = @_;	2167	my ($self) = @_;
1923		2168
1924	$self->load_header_from ($self->save_path)	2169	$self->load_header_from ($self->save_path)
1925	}	2170	}
1926		2171
		2172	# called after loading the header from an instantiated map
1927	sub prepare_temp {	2173	sub prepare_temp {
1928	my ($self) = @_;	2174	my ($self) = @_;
1929		2175
1930	$self->last_access ((delete $self->{last_access})	2176	$self->last_access ((delete $self->{last_access})
1931	|| $cf::RUNTIME); #d#	2177	|| $cf::RUNTIME); #d#
1932	# safety	2178	# safety
1933	$self->{instantiate_time} = $cf::RUNTIME	2179	$self->{instantiate_time} = $cf::RUNTIME
1934	if $self->{instantiate_time} > $cf::RUNTIME;	2180	if $self->{instantiate_time} > $cf::RUNTIME;
1935	}	2181	}
1936		2182
		2183	# called after loading the header from an original map
1937	sub prepare_orig {	2184	sub prepare_orig {
1938	my ($self) = @_;	2185	my ($self) = @_;
1939		2186
1940	$self->{load_original} = 1;	2187	$self->{load_original} = 1;
1941	$self->{instantiate_time} = $cf::RUNTIME;	2188	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1965		2212
1966	sub find;	2213	sub find;
1967	sub find {	2214	sub find {
1968	my ($path, $origin) = @_;	2215	my ($path, $origin) = @_;
1969		2216
		2217	cf::cede_to_tick;
		2218
1970	$path = normalise $path, $origin && $origin->path;	2219	$path = normalise $path, $origin;
1971		2220
1972	cf::lock_wait "map_data:$path";#d#remove	2221	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1973	cf::lock_wait "map_find:$path";	2222	my $guard2 = cf::lock_acquire "map_find:$path";
1974		2223
1975	$cf::MAP{$path} || do {	2224	$cf::MAP{$path} || do {
1976	my $guard1 = cf::lock_acquire "map_find:$path";
1977	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1978
1979	my $map = new_from_path cf::map $path	2225	my $map = new_from_path cf::map $path
1980	or return;	2226	or return;
1981		2227
1982	$map->{last_save} = $cf::RUNTIME;	2228	$map->{last_save} = $cf::RUNTIME;
1983		2229
…		…
1985	or return;	2231	or return;
1986		2232
1987	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2233	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1988	# doing this can freeze the server in a sync job, obviously	2234	# doing this can freeze the server in a sync job, obviously
1989	#$cf::WAIT_FOR_TICK->wait;	2235	#$cf::WAIT_FOR_TICK->wait;
		2236	undef $guard2;
1990	undef $guard1;	2237	undef $guard1;
1991	undef $guard2;
1992	$map->reset;	2238	$map->reset;
1993	return find $path;	2239	return find $path;
1994	}	2240	}
1995		2241
1996	$cf::MAP{$path} = $map	2242	$cf::MAP{$path} = $map
1997	}	2243	}
1998	}	2244	}
1999		2245
2000	sub pre_load { }	2246	sub pre_load { }
2001	sub post_load { }	2247	#sub post_load { } # XS
2002		2248
2003	sub load {	2249	sub load {
2004	my ($self) = @_;	2250	my ($self) = @_;
2005		2251
2006	local $self->{deny_reset} = 1; # loading can take a long time	2252	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2009		2255
2010	{	2256	{
2011	my $guard = cf::lock_acquire "map_data:$path";	2257	my $guard = cf::lock_acquire "map_data:$path";
2012		2258
2013	return unless $self->valid;	2259	return unless $self->valid;
2014	return unless $self->in_memory == cf::MAP_SWAPPED;	2260	return unless $self->state == cf::MAP_SWAPPED;
2015
2016	$self->in_memory (cf::MAP_LOADING);
2017		2261
2018	$self->alloc;	2262	$self->alloc;
2019		2263
2020	$self->pre_load;	2264	$self->pre_load;
2021	cf::cede_to_tick;	2265	cf::cede_to_tick;
2022		2266
		2267	if (exists $self->{load_path}) {
2023	my $f = new_from_file cf::object::thawer $self->{load_path};	2268	my $f = new_from_file cf::object::thawer $self->{load_path};
2024	$f->skip_block;	2269	$f->skip_block;
2025	$self->_load_objects ($f)	2270	$self->_load_objects ($f)
2026	or return;	2271	or return;
2027		2272
2028	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2273	$self->post_load_original
2029	if delete $self->{load_original};	2274	if delete $self->{load_original};
2030		2275
2031	if (my $uniq = $self->uniq_path) {	2276	if (my $uniq = $self->uniq_path) {
2032	utf8::encode $uniq;	2277	utf8::encode $uniq;
2033	unless (aio_stat $uniq) {	2278	unless (aio_stat $uniq) {
2034	if (my $f = new_from_file cf::object::thawer $uniq) {	2279	if (my $f = new_from_file cf::object::thawer $uniq) {
2035	$self->clear_unique_items;	2280	$self->clear_unique_items;
2036	$self->_load_objects ($f);	2281	$self->_load_objects ($f);
2037	$f->resolve_delayed_derefs;	2282	$f->resolve_delayed_derefs;
		2283	}
2038	}	2284	}
2039	}	2285	}
2040	}
2041		2286
2042	$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);
2043		2294
2044	cf::cede_to_tick;	2295	cf::cede_to_tick;
2045	# now do the right thing for maps	2296	# now do the right thing for maps
2046	$self->link_multipart_objects;	2297	$self->link_multipart_objects;
2047	$self->difficulty ($self->estimate_difficulty)	2298	$self->difficulty ($self->estimate_difficulty)
…		…
2051	unless ($self->{deny_activate}) {	2302	unless ($self->{deny_activate}) {
2052	$self->decay_objects;	2303	$self->decay_objects;
2053	$self->fix_auto_apply;	2304	$self->fix_auto_apply;
2054	$self->update_buttons;	2305	$self->update_buttons;
2055	cf::cede_to_tick;	2306	cf::cede_to_tick;
2056	$self->set_darkness_map;	2307	#$self->activate; # no longer activate maps automatically
2057	cf::cede_to_tick;
2058	$self->activate;
2059	}	2308	}
2060		2309
2061	$self->{last_save} = $cf::RUNTIME;	2310	$self->{last_save} = $cf::RUNTIME;
2062	$self->last_access ($cf::RUNTIME);	2311	$self->last_access ($cf::RUNTIME);
2063
2064	$self->in_memory (cf::MAP_IN_MEMORY);
2065	}	2312	}
2066		2313
2067	$self->post_load;	2314	$self->post_load;
2068	}
2069		2315
		2316	1
		2317	}
		2318
		2319	# customize the map for a given player, i.e.
		2320	# return the _real_ map. used by e.g. per-player
		2321	# maps to change the path to ~playername/mappath
2070	sub customise_for {	2322	sub customise_for {
2071	my ($self, $ob) = @_;	2323	my ($self, $ob) = @_;
2072		2324
2073	return find "~" . $ob->name . "/" . $self->{path}	2325	return find "~" . $ob->name . "/" . $self->{path}
2074	if $self->per_player;	2326	if $self->per_player;
…		…
2077	# if $self->per_party;	2329	# if $self->per_party;
2078		2330
2079	$self	2331	$self
2080	}	2332	}
2081		2333
2082	# find and load all maps in the 3x3 area around a map
2083	sub load_neighbours {
2084	my ($map) = @_;
2085
2086	my @neigh; # diagonal neighbours
2087
2088	for (0 .. 3) {
2089	my $neigh = $map->tile_path ($_)
2090	or next;
2091	$neigh = find $neigh, $map
2092	or next;
2093	$neigh->load;
2094
2095	push @neigh,
2096	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2097	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2098	}
2099
2100	for (grep defined $_->[0], @neigh) {
2101	my ($path, $origin) = @$_;
2102	my $neigh = find $path, $origin
2103	or next;
2104	$neigh->load;
2105	}
2106	}
2107
2108	sub find_sync {	2334	sub find_sync {
2109	my ($path, $origin) = @_;	2335	my ($path, $origin) = @_;
2110		2336
2111	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, $origin
2112	}	2342	}
2113		2343
2114	sub do_load_sync {	2344	sub do_load_sync {
2115	my ($map) = @_;	2345	my ($map) = @_;
2116		2346
		2347	# it's a bug to call this from the main context
2117	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2348	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2118	if $Coro::current == $Coro::main;	2349	if $Coro::current == $Coro::main;
2119		2350
2120	cf::sync_job { $map->load };	2351	$map->load;
2121	}	2352	}
2122		2353
2123	our %MAP_PREFETCH;	2354	our %MAP_PREFETCH;
2124	our $MAP_PREFETCHER = undef;	2355	our $MAP_PREFETCHER = undef;
2125		2356
2126	sub find_async {	2357	sub find_async {
2127	my ($path, $origin, $load) = @_;	2358	my ($path, $origin, $load) = @_;
2128		2359
2129	$path = normalise $path, $origin && $origin->{path};	2360	$path = normalise $path, $origin;
2130		2361
2131	if (my $map = $cf::MAP{$path}) {	2362	if (my $map = $cf::MAP{$path}) {
2132	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2363	return $map if !$load || $map->linkable;
2133	}	2364	}
2134		2365
2135	$MAP_PREFETCH{$path} |= $load;	2366	$MAP_PREFETCH{$path} |= $load;
2136		2367
2137	$MAP_PREFETCHER ||= cf::async {	2368	$MAP_PREFETCHER ||= cf::async {
…		…
2151	$MAP_PREFETCHER->prio (6);	2382	$MAP_PREFETCHER->prio (6);
2152		2383
2153	()	2384	()
2154	}	2385	}
2155		2386
		2387	# common code, used by both ->save and ->swapout
2156	sub save {	2388	sub _save {
2157	my ($self) = @_;	2389	my ($self) = @_;
2158
2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
2160		2390
2161	$self->{last_save} = $cf::RUNTIME;	2391	$self->{last_save} = $cf::RUNTIME;
2162		2392
2163	return unless $self->dirty;	2393	return unless $self->dirty;
2164		2394
…		…
2173		2403
2174	cf::async {	2404	cf::async {
2175	$Coro::current->{desc} = "map player save";	2405	$Coro::current->{desc} = "map player save";
2176	$_->contr->save for $self->players;	2406	$_->contr->save for $self->players;
2177	};	2407	};
		2408
		2409	cf::get_slot 0.02;
2178		2410
2179	if ($uniq) {	2411	if ($uniq) {
2180	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2412	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2181	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2413	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2182	} else {	2414	} else {
2183	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2415	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2184	}	2416	}
2185	}	2417	}
2186		2418
		2419	sub save {
		2420	my ($self) = @_;
		2421
		2422	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2423
		2424	$self->_save;
		2425	}
		2426
2187	sub swap_out {	2427	sub swap_out {
2188	my ($self) = @_;	2428	my ($self) = @_;
2189		2429
2190	# save first because save cedes
2191	$self->save;
2192
2193	my $lock = cf::lock_acquire "map_data:$self->{path}";	2430	my $lock = cf::lock_acquire "map_data:$self->{path}";
2194		2431
		2432	return if !$self->linkable;
		2433	return if $self->{deny_save};
2195	return if $self->players;	2434	return if $self->players;
2196	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
2197	return if $self->{deny_save};	2452	return 1e99 if $self->{deny_reset};
2198		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
2199	$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};
2200		2486
2201	$self->deactivate;	2487	$self->deactivate;
2202	$_->clear_links_to ($self) for values %cf::MAP;	2488	$_->clear_links_to ($self) for values %cf::MAP;
2203	$self->clear;	2489	$self->clear;
2204	}
2205
2206	sub reset_at {
2207	my ($self) = @_;
2208
2209	# TODO: safety, remove and allow resettable per-player maps
2210	return 1e99 if $self->{deny_reset};
2211
2212	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2213	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2214
2215	$time + $to
2216	}
2217
2218	sub should_reset {
2219	my ($self) = @_;
2220
2221	$self->reset_at <= $cf::RUNTIME
2222	}
2223
2224	sub reset {
2225	my ($self) = @_;
2226
2227	my $lock = cf::lock_acquire "map_data:$self->{path}";
2228
2229	return if $self->players;
2230
2231	warn "resetting map ", $self->path;
2232
2233	$self->in_memory (cf::MAP_SWAPPED);
2234
2235	# need to save uniques path
2236	unless ($self->{deny_save}) {
2237	my $uniq = $self->uniq_path; utf8::encode $uniq;
2238
2239	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2240	if $uniq;
2241	}
2242
2243	delete $cf::MAP{$self->path};
2244
2245	$self->deactivate;
2246	$_->clear_links_to ($self) for values %cf::MAP;
2247	$self->clear;
2248		2490
2249	$self->unlink_save;	2491	$self->unlink_save;
2250	$self->destroy;	2492	$self->destroy;
2251	}	2493	}
2252		2494
…		…
2260		2502
2261	delete $cf::MAP{$self->path};	2503	delete $cf::MAP{$self->path};
2262		2504
2263	$self->unlink_save;	2505	$self->unlink_save;
2264		2506
2265	bless $self, "cf::map";	2507	bless $self, "cf::map::wrap";
2266	delete $self->{deny_reset};	2508	delete $self->{deny_reset};
2267	$self->{deny_save} = 1;	2509	$self->{deny_save} = 1;
2268	$self->reset_timeout (1);	2510	$self->reset_timeout (1);
2269	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2511	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2270		2512
…		…
2319		2561
2320	sub unique_maps() {	2562	sub unique_maps() {
2321	[	2563	[
2322	map {	2564	map {
2323	utf8::decode $_;	2565	utf8::decode $_;
2324	/\.map$/	2566	s/\.map$//; # TODO future compatibility hack
		2567	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2568	? ()
2325	? normalise $_	2569	: normalise $_
2326	: ()
2327	} @{ aio_readdir $UNIQUEDIR or [] }	2570	} @{ aio_readdir $UNIQUEDIR or [] }
2328	]	2571	]
2329	}	2572	}
2330		2573
2331	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	}
2332		2605
2333	=back	2606	=back
2334		2607
2335	=head3 cf::object	2608	=head3 cf::object
2336		2609
…		…
2340		2613
2341	=over 4	2614	=over 4
2342		2615
2343	=item $ob->inv_recursive	2616	=item $ob->inv_recursive
2344		2617
2345	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.
2346		2620
2347	=cut	2621	=cut
2348		2622
2349	sub inv_recursive_;	2623	sub inv_recursive_;
2350	sub inv_recursive_ {	2624	sub inv_recursive_ {
…		…
2355	inv_recursive_ inv $_[0]	2629	inv_recursive_ inv $_[0]
2356	}	2630	}
2357		2631
2358	=item $ref = $ob->ref	2632	=item $ref = $ob->ref
2359		2633
2360	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.
2361		2635
2362	=item $ob = cf::object::deref ($refstring)	2636	=item $ob = cf::object::deref ($refstring)
2363		2637
2364	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,
2365	even if the object actually exists. May block.	2639	even if the object actually exists. May block.
…		…
2397	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
2398	dialogue with the given NPC character.	2672	dialogue with the given NPC character.
2399		2673
2400	=cut	2674	=cut
2401		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
2402	# rough implementation of a future "reply" method that works	2690	# rough implementation of a future "reply" method that works
2403	# with dialog boxes.	2691	# with dialog boxes.
2404	#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
2405	sub cf::object::player::reply($$$;$) {	2693	sub cf::object::player::reply($$$;$) {
2406	my ($self, $npc, $msg, $flags) = @_;	2694	my ($self, $npc, $msg, $flags) = @_;
…		…
2417	my $dialog = $pl->{npc_dialog};	2705	my $dialog = $pl->{npc_dialog};
2418	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2706	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2419		2707
2420	} else {	2708	} else {
2421	$msg = $npc->name . " says: $msg" if $npc;	2709	$msg = $npc->name . " says: $msg" if $npc;
2422	$self->message ($msg, $flags);	2710	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2423	}	2711	}
2424	}	2712	}
2425	}	2713	}
2426		2714
2427	=item $object->send_msg ($channel, $msg, $color, [extra...])	2715	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2452		2740
2453	=item $player_object->enter_link	2741	=item $player_object->enter_link
2454		2742
2455	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}>).
2456		2744
2457	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.
2458	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.
2459		2749
2460	Will never block.	2750	Will never block.
2461		2751
2462	=item $player_object->leave_link ($map, $x, $y)	2752	=item $player_object->leave_link ($map, $x, $y)
2463		2753
…		…
2483	sub cf::object::player::enter_link {	2773	sub cf::object::player::enter_link {
2484	my ($self) = @_;	2774	my ($self) = @_;
2485		2775
2486	$self->deactivate_recursive;	2776	$self->deactivate_recursive;
2487		2777
		2778	++$self->{_link_recursion};
		2779
2488	return if UNIVERSAL::isa $self->map, "ext::map_link";	2780	return if UNIVERSAL::isa $self->map, "ext::map_link";
2489		2781
2490	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2782	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2491	if $self->map && $self->map->{path} ne "{link}";	2783	if $self->map && $self->map->{path} ne "{link}";
2492		2784
2493	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2785	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2494	}	2786	}
2495		2787
2496	sub cf::object::player::leave_link {	2788	sub cf::object::player::leave_link {
2497	my ($self, $map, $x, $y) = @_;	2789	my ($self, $map, $x, $y) = @_;
2498		2790
…		…
2515	($x, $y) = (-1, -1)	2807	($x, $y) = (-1, -1)
2516	unless (defined $x) && (defined $y);	2808	unless (defined $x) && (defined $y);
2517		2809
2518	# use -1 or undef as default coordinates, not 0, 0	2810	# use -1 or undef as default coordinates, not 0, 0
2519	($x, $y) = ($map->enter_x, $map->enter_y)	2811	($x, $y) = ($map->enter_x, $map->enter_y)
2520	if $x <=0 && $y <= 0;	2812	if $x <= 0 && $y <= 0;
2521		2813
2522	$map->load;	2814	$map->load;
2523	$map->load_neighbours;
2524		2815
2525	return unless $self->contr->active;	2816	return unless $self->contr->active;
2526	$self->activate_recursive;
2527		2817
2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2818	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2529	$self->enter_map ($map, $x, $y);	2819	if ($self->enter_map ($map, $x, $y)) {
2530	}	2820	# entering was successful
		2821	delete $self->{_link_recursion};
		2822	# only activate afterwards, to support waiting in hooks
		2823	$self->activate_recursive;
		2824	}
2531		2825
		2826	}
		2827
2532	=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)]])
2533		2829
2534	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
2535	her, loading and preparing them map, calling the provided $check callback	2831	her, loading and preparing them map, calling the provided $check callback
2536	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
2537	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
2538	be called at the end of this process.	2834	be called at the end of this process.
2539		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
2540	=cut	2839	=cut
2541		2840
2542	our $GOTOGEN;	2841	our $GOTOGEN;
2543		2842
2544	sub cf::object::player::goto {	2843	sub cf::object::player::goto {
2545	my ($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	}
2546		2851
2547	# 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
2548	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2853	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2549		2854
2550	$self->enter_link;	2855	$self->enter_link;
…		…
2570	($path, $x, $y) = (undef, undef, undef);	2875	($path, $x, $y) = (undef, undef, undef);
2571	}	2876	}
2572	}	2877	}
2573		2878
2574	my $map = eval {	2879	my $map = eval {
2575	my $map = defined $path ? cf::map::find $path : undef;	2880	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2576		2881
2577	if ($map) {	2882	if ($map) {
2578	$map = $map->customise_for ($self);	2883	$map = $map->customise_for ($self);
2579	$map = $check->($map) if $check && $map;	2884	$map = $check->($map, $x, $y, $self) if $check && $map;
2580	} else {	2885	} else {
2581	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2886	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2582	}	2887	}
2583		2888
2584	$map	2889	$map
…		…
2592	if ($gen == $self->{_goto_generation}) {	2897	if ($gen == $self->{_goto_generation}) {
2593	delete $self->{_goto_generation};	2898	delete $self->{_goto_generation};
2594	$self->leave_link ($map, $x, $y);	2899	$self->leave_link ($map, $x, $y);
2595	}	2900	}
2596		2901
2597	$done->() if $done;	2902	$done->($self) if $done;
2598	})->prio (1);	2903	})->prio (1);
2599	}	2904	}
2600		2905
2601	=item $player_object->enter_exit ($exit_object)	2906	=item $player_object->enter_exit ($exit_object)
2602		2907
…		…
2622	}	2927	}
2623		2928
2624	sub prepare_random_map {	2929	sub prepare_random_map {
2625	my ($exit) = @_;	2930	my ($exit) = @_;
2626		2931
2627	my $guard = cf::lock_acquire "exit_prepare:$exit";
2628
2629	# all this does is basically replace the /! path by	2932	# all this does is basically replace the /! path by
2630	# a new random map path (?random/...) with a seed	2933	# a new random map path (?random/...) with a seed
2631	# that depends on the exit object	2934	# that depends on the exit object
2632		2935
2633	my $rmp = parse_random_map_params $exit->msg;	2936	my $rmp = parse_random_map_params $exit->msg;
…		…
2635	if ($exit->map) {	2938	if ($exit->map) {
2636	$rmp->{region} = $exit->region->name;	2939	$rmp->{region} = $exit->region->name;
2637	$rmp->{origin_map} = $exit->map->path;	2940	$rmp->{origin_map} = $exit->map->path;
2638	$rmp->{origin_x} = $exit->x;	2941	$rmp->{origin_x} = $exit->x;
2639	$rmp->{origin_y} = $exit->y;	2942	$rmp->{origin_y} = $exit->y;
		2943
		2944	$exit->map->touch;
2640	}	2945	}
2641		2946
2642	$rmp->{random_seed} ||= $exit->random_seed;	2947	$rmp->{random_seed} ||= $exit->random_seed;
2643		2948
2644	my $data = cf::encode_json $rmp;	2949	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2645	my $md5 = Digest::MD5::md5_hex $data;	2950	my $md5 = Digest::MD5::md5_hex $data;
2646	my $meta = "$RANDOMDIR/$md5.meta";	2951	my $meta = "$RANDOMDIR/$md5.meta";
2647		2952
2648	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2649	aio_write $fh, 0, (length $data), $data, 0;	2954	aio_write $fh, 0, (length $data), $data, 0;
2650	undef $fh;	2955	undef $fh;
2651	aio_rename "$meta~", $meta;	2956	aio_rename "$meta~", $meta;
2652		2957
		2958	my $slaying = "?random/$md5";
		2959
		2960	if ($exit->valid) {
2653	$exit->slaying ("?random/$md5");	2961	$exit->slaying ("?random/$md5");
2654	$exit->msg (undef);	2962	$exit->msg (undef);
		2963	}
2655	}	2964	}
2656	}	2965	}
2657		2966
2658	sub cf::object::player::enter_exit {	2967	sub cf::object::player::enter_exit {
2659	my ($self, $exit) = @_;	2968	my ($self, $exit) = @_;
2660		2969
2661	return unless $self->type == cf::PLAYER;	2970	return unless $self->type == cf::PLAYER;
2662		2971
2663	if ($exit->slaying eq "/!") {
2664	#TODO: this should de-fi-ni-te-ly not be a sync-job
2665	# the problem is that $exit might not survive long enough
2666	# so it needs to be done right now, right here
2667	cf::sync_job { prepare_random_map $exit };
2668	}
2669
2670	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2671	my $hp = $exit->stats->hp;
2672	my $sp = $exit->stats->sp;
2673
2674	$self->enter_link;	2972	$self->enter_link;
2675		2973
2676	# if exit is damned, update players death & WoR home-position
2677	$self->contr->savebed ($slaying, $hp, $sp)
2678	if $exit->flag (FLAG_DAMNED);
2679
2680	(async {	2974	(async {
2681	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2975	$Coro::current->{desc} = "enter_exit";
2682		2976
2683	$self->deactivate_recursive; # just to be sure
2684	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
2685	$self->goto ($slaying, $hp, $sp);	3007	$self->goto ($map, $x, $y);
2686		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
2687	1;	3013	1
2688	}) {	3014	}) {
2689	$self->message ("Something went wrong deep within the crossfire server. "	3015	$self->message ("Something went wrong deep within the deliantra server. "
2690	. "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. "
2691	. "Please report this to the dungeon master!",	3017	. "Please report this to the dungeon master!",
2692	cf::NDI_UNIQUE | cf::NDI_RED);	3018	cf::NDI_UNIQUE | cf::NDI_RED);
2693		3019
2694	warn "ERROR in enter_exit: $@";	3020	error "ERROR in enter_exit: $@";
2695	$self->leave_link;	3021	$self->leave_link;
2696	}	3022	}
2697	})->prio (1);	3023	})->prio (1);
2698	}	3024	}
2699		3025
…		…
2711	sub cf::client::send_drawinfo {	3037	sub cf::client::send_drawinfo {
2712	my ($self, $text, $flags) = @_;	3038	my ($self, $text, $flags) = @_;
2713		3039
2714	utf8::encode $text;	3040	utf8::encode $text;
2715	$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);
2716	}	3067	}
2717		3068
2718	=item $client->send_msg ($channel, $msg, $color, [extra...])	3069	=item $client->send_msg ($channel, $msg, $color, [extra...])
2719		3070
2720	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
…		…
2724		3075
2725	=cut	3076	=cut
2726		3077
2727	# non-persistent channels (usually the info channel)	3078	# non-persistent channels (usually the info channel)
2728	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	},
2729	"c/identify" => {	3086	"c/identify" => {
2730	id => "infobox",	3087	id => "infobox",
2731	title => "Identify",	3088	title => "Identify",
2732	reply => undef,	3089	reply => undef,
2733	tooltip => "Items recently identified",	3090	tooltip => "Items recently identified",
…		…
2735	"c/examine" => {	3092	"c/examine" => {
2736	id => "infobox",	3093	id => "infobox",
2737	title => "Examine",	3094	title => "Examine",
2738	reply => undef,	3095	reply => undef,
2739	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",
2740	},	3103	},
2741	"c/book" => {	3104	"c/book" => {
2742	id => "infobox",	3105	id => "infobox",
2743	title => "Book",	3106	title => "Book",
2744	reply => undef,	3107	reply => undef,
…		…
2760	id => "infobox",	3123	id => "infobox",
2761	title => "Body Parts",	3124	title => "Body Parts",
2762	reply => undef,	3125	reply => undef,
2763	tooltip => "Shows which body parts you posess and are available",	3126	tooltip => "Shows which body parts you posess and are available",
2764	},	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	},
2765	"c/uptime" => {	3164	"c/uptime" => {
2766	id => "infobox",	3165	id => "infobox",
2767	title => "Uptime",	3166	title => "Uptime",
2768	reply => undef,	3167	reply => undef,
2769	tooltip => "How long the server has been running since last restart",	3168	tooltip => "How long the server has been running since last restart",
…		…
2772	id => "infobox",	3171	id => "infobox",
2773	title => "Map Info",	3172	title => "Map Info",
2774	reply => undef,	3173	reply => undef,
2775	tooltip => "Information related to the maps",	3174	tooltip => "Information related to the maps",
2776	},	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" => $CHAT_CHANNEL,
2777	);	3190	);
2778		3191
2779	sub cf::client::send_msg {	3192	sub cf::client::send_msg {
2780	my ($self, $channel, $msg, $color, @extra) = @_;	3193	my ($self, $channel, $msg, $color, @extra) = @_;
2781		3194
2782	$msg = $self->pl->expand_cfpod ($msg);	3195	$msg = $self->pl->expand_cfpod ($msg)
		3196	unless $color & cf::NDI_VERBATIM;
2783		3197
2784	$color &= cf::NDI_CLIENT_MASK; # just in case...	3198	$color &= cf::NDI_CLIENT_MASK; # just in case...
2785		3199
2786	# check predefined channels, for the benefit of C	3200	# check predefined channels, for the benefit of C
2787	if ($CHANNEL{$channel}) {	3201	if ($CHANNEL{$channel}) {
2788	$channel = $CHANNEL{$channel};	3202	$channel = $CHANNEL{$channel};
2789		3203
2790	$self->ext_msg (channel_info => $channel)	3204	$self->ext_msg (channel_info => $channel);
2791	if $self->can_msg;
2792
2793	$channel = $channel->{id};	3205	$channel = $channel->{id};
2794		3206
2795	} elsif (ref $channel) {	3207	} elsif (ref $channel) {
2796	# send meta info to client, if not yet sent	3208	# send meta info to client, if not yet sent
2797	unless (exists $self->{channel}{$channel->{id}}) {	3209	unless (exists $self->{channel}{$channel->{id}}) {
2798	$self->{channel}{$channel->{id}} = $channel;	3210	$self->{channel}{$channel->{id}} = $channel;
2799	$self->ext_msg (channel_info => $channel)	3211	$self->ext_msg (channel_info => $channel);
2800	if $self->can_msg;
2801	}	3212	}
2802		3213
2803	$channel = $channel->{id};	3214	$channel = $channel->{id};
2804	}	3215	}
2805		3216
2806	return unless @extra || length $msg;	3217	return unless @extra || length $msg;
2807		3218
2808	if ($self->can_msg) {
2809	# default colour, mask it out	3219	# default colour, mask it out
2810	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3220	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2811	if $color & cf::NDI_DEF;	3221	if $color & cf::NDI_DEF;
2812		3222
2813	$self->send_packet ("msg " . $self->{json_coder}->encode (	3223	my $pkt = "msg "
		3224	. $self->{json_coder}->encode (
2814	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3225	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2815	} else {	3226	);
2816	if ($color >= 0) {
2817	# replace some tags by gcfclient-compatible ones
2818	for ($msg) {
2819	1 while
2820	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2821	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2822	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2823	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2824	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2825	}
2826		3227
2827	$color &= cf::NDI_COLOR_MASK;	3228	$self->send_big_packet ($pkt);
2828
2829	utf8::encode $msg;
2830
2831	if (0 && $msg =~ /\[/) {
2832	# COMMAND/INFO
2833	$self->send_packet ("drawextinfo $color 10 8 $msg")
2834	} else {
2835	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2836	$self->send_packet ("drawinfo $color $msg")
2837	}
2838	}
2839	}
2840	}	3229	}
2841		3230
2842	=item $client->ext_msg ($type, @msg)	3231	=item $client->ext_msg ($type, @msg)
2843		3232
2844	Sends an ext event to the client.	3233	Sends an ext event to the client.
…		…
2847		3236
2848	sub cf::client::ext_msg($$@) {	3237	sub cf::client::ext_msg($$@) {
2849	my ($self, $type, @msg) = @_;	3238	my ($self, $type, @msg) = @_;
2850		3239
2851	if ($self->extcmd == 2) {	3240	if ($self->extcmd == 2) {
2852	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3241	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2853	} elsif ($self->extcmd == 1) { # TODO: remove	3242	} elsif ($self->extcmd == 1) { # TODO: remove
2854	push @msg, msgtype => "event_$type";	3243	push @msg, msgtype => "event_$type";
2855	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3244	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2856	}	3245	}
2857	}	3246	}
2858		3247
2859	=item $client->ext_reply ($msgid, @msg)	3248	=item $client->ext_reply ($msgid, @msg)
2860		3249
…		…
2863	=cut	3252	=cut
2864		3253
2865	sub cf::client::ext_reply($$@) {	3254	sub cf::client::ext_reply($$@) {
2866	my ($self, $id, @msg) = @_;	3255	my ($self, $id, @msg) = @_;
2867		3256
2868	if ($self->extcmd == 2) {	3257	return unless $self->extcmd == 2;
		3258
2869	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3259	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2870	} elsif ($self->extcmd == 1) {
2871	#TODO: version 1, remove
2872	unshift @msg, msgtype => "reply", msgid => $id;
2873	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2874	}
2875	}	3260	}
2876		3261
2877	=item $success = $client->query ($flags, "text", \&cb)	3262	=item $success = $client->query ($flags, "text", \&cb)
2878		3263
2879	Queues a query to the client, calling the given callback with	3264	Queues a query to the client, calling the given callback with
…		…
2934	my ($ns, $buf) = @_;	3319	my ($ns, $buf) = @_;
2935		3320
2936	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3321	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2937		3322
2938	if (ref $msg) {	3323	if (ref $msg) {
2939	my ($type, $reply, @payload) =	3324	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2940	"ARRAY" eq ref $msg
2941	? @$msg
2942	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2943		3325
2944	my @reply;	3326	my @reply;
2945		3327
2946	if (my $cb = $EXTICMD{$type}) {	3328	if (my $cb = $EXTICMD{$type}) {
2947	@reply = $cb->($ns, @payload);	3329	@reply = $cb->($ns, @payload);
…		…
2949		3331
2950	$ns->ext_reply ($reply, @reply)	3332	$ns->ext_reply ($reply, @reply)
2951	if $reply;	3333	if $reply;
2952		3334
2953	} else {	3335	} else {
2954	warn "client " . ($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";
2955	}	3337	}
2956		3338
2957	cf::override;	3339	cf::override;
2958	},	3340	},
2959	);	3341	);
…		…
2979		3361
2980	$coro	3362	$coro
2981	}	3363	}
2982		3364
2983	cf::client->attach (	3365	cf::client->attach (
2984	on_destroy => sub {	3366	on_client_destroy => sub {
2985	my ($ns) = @_;	3367	my ($ns) = @_;
2986		3368
2987	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3369	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2988	},	3370	},
2989	);	3371	);
…		…
3005	our $safe_hole = new Safe::Hole;	3387	our $safe_hole = new Safe::Hole;
3006		3388
3007	$SIG{FPE} = 'IGNORE';	3389	$SIG{FPE} = 'IGNORE';
3008		3390
3009	$safe->permit_only (Opcode::opset qw(	3391	$safe->permit_only (Opcode::opset qw(
3010	:base_core :base_mem :base_orig :base_math	3392	:base_core :base_mem :base_orig :base_math :base_loop
3011	grepstart grepwhile mapstart mapwhile	3393	grepstart grepwhile mapstart mapwhile
3012	sort time	3394	sort time
3013	));	3395	));
3014		3396
3015	# here we export the classes and methods available to script code	3397	# here we export the classes and methods available to script code
…		…
3018		3400
3019	The following functions and methods are available within a safe environment:	3401	The following functions and methods are available within a safe environment:
3020		3402
3021	cf::object	3403	cf::object
3022	contr pay_amount pay_player map x y force_find force_add destroy	3404	contr pay_amount pay_player map x y force_find force_add destroy
3023	insert remove name archname title slaying race decrease_ob_nr	3405	insert remove name archname title slaying race decrease split
		3406	value
3024		3407
3025	cf::object::player	3408	cf::object::player
3026	player	3409	player
3027		3410
3028	cf::player	3411	cf::player
…		…
3033		3416
3034	=cut	3417	=cut
3035		3418
3036	for (	3419	for (
3037	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3420	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3038	insert remove inv name archname title slaying race	3421	insert remove inv nrof name archname title slaying race
3039	decrease_ob_nr destroy)],	3422	decrease split destroy change_exp value msg lore send_msg)],
3040	["cf::object::player" => qw(player)],	3423	["cf::object::player" => qw(player)],
3041	["cf::player" => qw(peaceful)],	3424	["cf::player" => qw(peaceful send_msg)],
3042	["cf::map" => qw(trigger)],	3425	["cf::map" => qw(trigger)],
3043	) {	3426	) {
3044	no strict 'refs';
3045	my ($pkg, @funs) = @$_;	3427	my ($pkg, @funs) = @$_;
3046	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3428	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3047	for @funs;	3429	for @funs;
3048	}	3430	}
3049		3431
…		…
3064		3446
3065	my $qcode = $code;	3447	my $qcode = $code;
3066	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3448	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3067	$qcode =~ s/\n/\\n/g;	3449	$qcode =~ s/\n/\\n/g;
3068		3450
		3451	%vars = (_dummy => 0) unless %vars;
		3452
		3453	my @res;
3069	local $_;	3454	local $_;
3070	local @safe::cf::_safe_eval_args = values %vars;
3071		3455
3072	my $eval =	3456	my $eval =
3073	"do {\n"	3457	"do {\n"
3074	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3458	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3075	. "#line 0 \"{$qcode}\"\n"	3459	. "#line 0 \"{$qcode}\"\n"
3076	. $code	3460	. $code
3077	. "\n}"	3461	. "\n}"
3078	;	3462	;
3079		3463
		3464	if ($CFG{safe_eval}) {
3080	sub_generation_inc;	3465	sub_generation_inc;
		3466	local @safe::cf::_safe_eval_args = values %vars;
3081	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3467	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3082	sub_generation_inc;	3468	sub_generation_inc;
		3469	} else {
		3470	local @cf::_safe_eval_args = values %vars;
		3471	@res = wantarray ? eval eval : scalar eval $eval;
		3472	}
3083		3473
3084	if ($@) {	3474	if ($@) {
3085	warn "$@";	3475	warn "$@",
3086	warn "while executing safe code '$code'\n";	3476	"while executing safe code '$code'\n",
3087	warn "with arguments " . (join " ", %vars) . "\n";	3477	"with arguments " . (join " ", %vars) . "\n";
3088	}	3478	}
3089		3479
3090	wantarray ? @res : $res[0]	3480	wantarray ? @res : $res[0]
3091	}	3481	}
3092		3482
…		…
3106	=cut	3496	=cut
3107		3497
3108	sub register_script_function {	3498	sub register_script_function {
3109	my ($fun, $cb) = @_;	3499	my ($fun, $cb) = @_;
3110		3500
3111	no strict 'refs';	3501	$fun = "safe::$fun" if $CFG{safe_eval};
3112	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3502	*$fun = $safe_hole->wrap ($cb);
3113	}	3503	}
3114		3504
3115	=back	3505	=back
3116		3506
3117	=cut	3507	=cut
3118		3508
3119	#############################################################################	3509	#############################################################################
3120	# 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
3121		3513
3122	sub load_facedata($) {	3514	sub load_facedata($) {
3123	my ($path) = @_;	3515	my ($path) = @_;
3124		3516
3125	# 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
3126	# for this (global event?)	3518	# for this (global event?)
3127	%ext::player_env::MUSIC_FACE_CACHE = ();	3519	%ext::player_env::MUSIC_FACE_CACHE = ();
3128		3520
3129	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3521	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3130		3522
3131	warn "loading facedata from $path\n";	3523	trace "loading facedata from $path\n";
3132		3524
3133	my $facedata;	3525	my $facedata = decode_storable load_file $path;
3134	0 < aio_load $path, $facedata
3135	or die "$path: $!";
3136
3137	$facedata = Coro::Storable::thaw $facedata;
3138		3526
3139	$facedata->{version} == 2	3527	$facedata->{version} == 2
3140	or cf::cleanup "$path: version mismatch, cannot proceed.";	3528	or cf::cleanup "$path: version mismatch, cannot proceed.";
3141		3529
3142	# 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]);
3143	$facedata->{resource}{"res/exp_table"} = {	3532	$facedata->{resource}{"res/exp_table"} = {
3144	type => FT_RSRC,	3533	type => FT_RSRC,
3145	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),
3146	};	3536	};
3147	cf::cede_to_tick;	3537	cf::cede_to_tick;
3148		3538
3149	{	3539	{
3150	my $faces = $facedata->{faceinfo};	3540	my $faces = $facedata->{faceinfo};
3151		3541
3152	while (my ($face, $info) = each %$faces) {	3542	for my $face (sort keys %$faces) {
		3543	my $info = $faces->{$face};
3153	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3544	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3545
3154	cf::face::set_visibility $idx, $info->{visibility};	3546	cf::face::set_visibility $idx, $info->{visibility};
3155	cf::face::set_magicmap $idx, $info->{magicmap};	3547	cf::face::set_magicmap $idx, $info->{magicmap};
3156	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3548	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3157	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}} = $idx;#d#
3158		3552
3159	cf::cede_to_tick;	3553	cf::cede_to_tick;
3160	}	3554	}
3161		3555
3162	while (my ($face, $info) = each %$faces) {	3556	while (my ($face, $info) = each %$faces) {
3163	next unless $info->{smooth};	3557	next unless $info->{smooth};
		3558
3164	my $idx = cf::face::find $face	3559	my $idx = cf::face::find $face
3165	or next;	3560	or next;
		3561
3166	if (my $smooth = cf::face::find $info->{smooth}) {	3562	if (my $smooth = cf::face::find $info->{smooth}) {
3167	cf::face::set_smooth $idx, $smooth;	3563	cf::face::set_smooth $idx, $smooth;
3168	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3564	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3169	} else {	3565	} else {
3170	warn "smooth face '$info->{smooth}' not found for face '$face'";	3566	error "smooth face '$info->{smooth}' not found for face '$face'";
3171	}	3567	}
3172		3568
3173	cf::cede_to_tick;	3569	cf::cede_to_tick;
3174	}	3570	}
3175	}	3571	}
…		…
3184		3580
3185	cf::anim::invalidate_all; # d'oh	3581	cf::anim::invalidate_all; # d'oh
3186	}	3582	}
3187		3583
3188	{	3584	{
3189	# TODO: for gcfclient pleasure, we should give resources
3190	# that gcfclient doesn't grok a >10000 face index.
3191	my $res = $facedata->{resource};	3585	my $res = $facedata->{resource};
3192		3586
3193	my $soundconf = delete $res->{"res/sound.conf"};
3194
3195	while (my ($name, $info) = each %$res) {	3587	while (my ($name, $info) = each %$res) {
		3588	if (defined (my $type = $info->{type})) {
		3589	# TODO: different hash - must free and use new index, or cache ixface data queue
3196	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3590	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3197	my $data;
3198		3591
3199	if ($info->{type} & 1) {	3592	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3200	# prepend meta info	3593	cf::face::set_type $idx, $type;
3201		3594	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
3202	my $meta = $enc->encode ({	3595	$FACEHASH{$info->{hash}} = $idx;#d#
3203	name => $name,
3204	%{ $info->{meta} || {} },
3205	});
3206
3207	$data = pack "(w/a*)*", $meta, $info->{data};
3208	} else {	3596	} else {
3209	$data = $info->{data};	3597	# $RESOURCE{$name} = $info; # unused
3210	}	3598	}
3211		3599
3212	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3213	cf::face::set_type $idx, $info->{type};
3214
3215	cf::cede_to_tick;	3600	cf::cede_to_tick;
3216	}	3601	}
3217
3218	if ($soundconf) {
3219	$soundconf = $enc->decode (delete $soundconf->{data});
3220
3221	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3222	my $sound = $soundconf->{compat}[$_]
3223	or next;
3224
3225	my $face = cf::face::find "sound/$sound->[1]";
3226	cf::sound::set $sound->[0] => $face;
3227	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3228	}
3229
3230	while (my ($k, $v) = each %{$soundconf->{event}}) {
3231	my $face = cf::face::find "sound/$v";
3232	cf::sound::set $k => $face;
3233	}
3234	}
3235	}	3602	}
		3603
		3604	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3236		3605
3237	1	3606	1
3238	}	3607	}
3239		3608
3240	register_exticmd fx_want => sub {	3609	register_exticmd fx_want => sub {
…		…
3242		3611
3243	while (my ($k, $v) = each %$want) {	3612	while (my ($k, $v) = each %$want) {
3244	$ns->fx_want ($k, $v);	3613	$ns->fx_want ($k, $v);
3245	}	3614	}
3246	};	3615	};
		3616
		3617	sub load_resource_file($) {
		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	$status
		3625	}
3247		3626
3248	sub reload_regions {	3627	sub reload_regions {
3249	# HACK to clear player env face cache, we need some signal framework	3628	# HACK to clear player env face cache, we need some signal framework
3250	# for this (global event?)	3629	# for this (global event?)
3251	%ext::player_env::MUSIC_FACE_CACHE = ();	3630	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3265	}	3644	}
3266		3645
3267	sub reload_archetypes {	3646	sub reload_archetypes {
3268	load_resource_file "$DATADIR/archetypes"	3647	load_resource_file "$DATADIR/archetypes"
3269	or die "unable to load archetypes\n";	3648	or die "unable to load archetypes\n";
3270	#d# NEED to laod twice to resolve forward references
3271	# this really needs to be done in an extra post-pass
3272	# (which needs to be synchronous, so solve it differently)
3273	load_resource_file "$DATADIR/archetypes"
3274	or die "unable to load archetypes\n";
3275	}	3649	}
3276		3650
3277	sub reload_treasures {	3651	sub reload_treasures {
3278	load_resource_file "$DATADIR/treasures"	3652	load_resource_file "$DATADIR/treasures"
3279	or die "unable to load treasurelists\n";	3653	or die "unable to load treasurelists\n";
3280	}	3654	}
3281		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
3282	sub reload_resources {	3676	sub reload_resources {
3283	warn "reloading resource files...\n";	3677	trace "reloading resource files...\n";
3284		3678
		3679	reload_exp_table;
		3680	reload_materials;
		3681	reload_facedata;
		3682	reload_sound;
		3683	reload_archetypes;
3285	reload_regions;	3684	reload_regions;
3286	reload_facedata;
3287	#reload_archetypes;#d#
3288	reload_archetypes;
3289	reload_treasures;	3685	reload_treasures;
3290		3686
3291	warn "finished reloading resource files\n";	3687	trace "finished reloading resource files\n";
3292	}
3293
3294	sub init {
3295	reload_resources;
3296	}	3688	}
3297		3689
3298	sub reload_config {	3690	sub reload_config {
3299	open my $fh, "<:utf8", "$CONFDIR/config"	3691	trace "reloading config file...\n";
3300	or return;
3301		3692
3302	local $/;	3693	my $config = load_file "$CONFDIR/config";
3303	*CFG = YAML::Syck::Load <$fh>;	3694	utf8::decode $config;
		3695	*CFG = decode_yaml $config;
3304		3696
3305	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3697	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3306		3698
3307	$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};
3308	$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};
3309		3701
3310	if (exists $CFG{mlockall}) {	3702	if (exists $CFG{mlockall}) {
…		…
3314	};	3706	};
3315	warn $@ if $@;	3707	warn $@ if $@;
3316	}	3708	}
3317	}	3709	}
3318		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
3319	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
3320	# we must not ever block the main coroutine	3749	# we must not ever block the main coroutine
3321	local $Coro::idle = sub {	3750	$Coro::idle = sub {
3322	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#
3323	(async {	3752	(async {
3324	$Coro::current->{desc} = "IDLE BUG HANDLER";	3753	$Coro::current->{desc} = "IDLE BUG HANDLER";
3325	EV::loop EV::LOOP_ONESHOT;	3754	EV::loop EV::LOOP_ONESHOT;
3326	})->prio (Coro::PRIO_MAX);	3755	})->prio (Coro::PRIO_MAX);
3327	};	3756	};
3328		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;
3329	reload_config;	3770	reload_config;
3330	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
3331	load_extensions;	3781	load_extensions;
3332		3782
3333	$TICK_WATCHER->start;	3783	utime time, time, $RUNTIMEFILE;
3334	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3784
3335	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;
3336	}	3800	}
3337		3801
3338	#############################################################################	3802	#############################################################################
3339	# initialisation and cleanup	3803	# initialisation and cleanup
3340		3804
3341	# install some emergency cleanup handlers	3805	# install some emergency cleanup handlers
3342	BEGIN {	3806	BEGIN {
3343	our %SIGWATCHER = ();	3807	our %SIGWATCHER = ();
3344	for my $signal (qw(INT HUP TERM)) {	3808	for my $signal (qw(INT HUP TERM)) {
3345	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3809	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3346	cf::cleanup "SIG$signal";	3810	cf::cleanup "SIG$signal";
3347	};	3811	};
3348	}	3812	}
3349	}	3813	}
3350		3814
3351	sub write_runtime {	3815	sub write_runtime_sync {
3352	my $runtime = "$LOCALDIR/runtime";	3816	my $t0 = AE::time;
3353		3817
3354	# first touch the runtime file to show we are still running:	3818	# first touch the runtime file to show we are still running:
3355	# the fsync below can take a very very long time.	3819	# the fsync below can take a very very long time.
3356		3820
3357	IO::AIO::aio_utime $runtime, undef, undef;	3821	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3358		3822
3359	my $guard = cf::lock_acquire "write_runtime";	3823	my $guard = cf::lock_acquire "write_runtime";
3360		3824
3361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3825	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3362	or return;	3826	or return;
3363		3827
3364	my $value = $cf::RUNTIME + 90 + 10;	3828	my $value = $cf::RUNTIME + 90 + 10;
3365	# 10 is the runtime save interval, for a monotonic clock	3829	# 10 is the runtime save interval, for a monotonic clock
3366	# 60 allows for the watchdog to kill the server.	3830	# 60 allows for the watchdog to kill the server.
…		…
3376	aio_utime $fh, undef, undef;	3840	aio_utime $fh, undef, undef;
3377		3841
3378	close $fh	3842	close $fh
3379	or return;	3843	or return;
3380		3844
3381	aio_rename "$runtime~", $runtime	3845	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3382	and return;	3846	and return;
3383		3847
3384	warn "runtime file written.\n";	3848	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3385		3849
3386	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 };
3387	}	3901	}
3388		3902
3389	sub emergency_save() {	3903	sub emergency_save() {
3390	my $freeze_guard = cf::freeze_mainloop;	3904	my $freeze_guard = cf::freeze_mainloop;
3391		3905
3392	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;
3393		3912
3394	cf::sync_job {	3913	cf::sync_job {
		3914	cf::write_runtime_sync; # external watchdog should not bark
		3915
3395	# use a peculiar iteration method to avoid tripping on perl	3916	# use a peculiar iteration method to avoid tripping on perl
3396	# refcount bugs in for. also avoids problems with players	3917	# refcount bugs in for. also avoids problems with players
3397	# and maps saved/destroyed asynchronously.	3918	# and maps saved/destroyed asynchronously.
3398	warn "begin emergency player save\n";	3919	info "emergency_perl_save: begin player save\n";
3399	for my $login (keys %cf::PLAYER) {	3920	for my $login (keys %cf::PLAYER) {
3400	my $pl = $cf::PLAYER{$login} or next;	3921	my $pl = $cf::PLAYER{$login} or next;
3401	$pl->valid or next;	3922	$pl->valid or next;
3402	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3923	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3403	$pl->save;	3924	$pl->save;
3404	}	3925	}
3405	warn "end emergency player save\n";	3926	info "emergency_perl_save: end player save\n";
3406		3927
3407	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";
3408	for my $path (keys %cf::MAP) {	3931	for my $path (keys %cf::MAP) {
3409	my $map = $cf::MAP{$path} or next;	3932	my $map = $cf::MAP{$path} or next;
3410	$map->valid or next;	3933	$map->valid or next;
3411	$map->save;	3934	$map->save;
3412	}	3935	}
3413	warn "end emergency map save\n";	3936	info "emergency_perl_save: end map save\n";
3414		3937
3415	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";
3416	BDB::db_env_txn_checkpoint $DB_ENV;	3941	BDB::db_env_txn_checkpoint $DB_ENV;
3417	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 $DB_ENV;
		3952
		3953	info "emergency_perl_save: starting sync\n";
		3954	IO::AIO::aio_sync sub {
		3955	info "emergency_perl_save: finished sync\n";
		3956	};
		3957
		3958	cf::write_runtime_sync; # external watchdog should not bark
		3959
		3960	trace "emergency_perl_save: flushing outstanding aio requests";
		3961	while (IO::AIO::nreqs || BDB::nreqs) {
		3962	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3963	}
		3964
		3965	cf::write_runtime_sync; # external watchdog should not bark
3418	};	3966	};
3419		3967
3420	warn "leave emergency perl save\n";	3968	info "emergency_perl_save: leave\n";
3421	}	3969	}
3422		3970
3423	sub post_cleanup {	3971	sub post_cleanup {
3424	my ($make_core) = @_;	3972	my ($make_core) = @_;
3425		3973
		3974	IO::AIO::flush;
		3975
3426	warn Carp::longmess "post_cleanup backtrace"	3976	error Carp::longmess "post_cleanup backtrace"
3427	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	}
3428	}	4006	}
3429		4007
3430	sub do_reload_perl() {	4008	sub do_reload_perl() {
3431	# can/must only be called in main	4009	# can/must only be called in main
3432	if ($Coro::current != $Coro::main) {	4010	unless (in_main) {
3433	warn "can only reload from main coroutine";	4011	error "can only reload from main coroutine";
3434	return;	4012	return;
3435	}	4013	}
3436		4014
3437	warn "reloading...";	4015	return if $RELOAD++;
3438		4016
3439	warn "entering sync_job";	4017	my $t1 = AE::time;
3440		4018
		4019	while ($RELOAD) {
		4020	cf::get_slot 0.1, -1, "reload_perl";
		4021	info "perl_reload: reloading...";
		4022
		4023	trace "perl_reload: entering sync_job";
		4024
3441	cf::sync_job {	4025	cf::sync_job {
3442	cf::write_runtime; # external watchdog should not bark
3443	cf::emergency_save;	4026	#cf::emergency_save;
3444	cf::write_runtime; # external watchdog should not bark
3445		4027
3446	warn "syncing database to disk";
3447	BDB::db_env_txn_checkpoint $DB_ENV;
3448
3449	# if anything goes wrong in here, we should simply crash as we already saved
3450
3451	warn "flushing outstanding aio requests";
3452	for (;;) {
3453	BDB::flush;
3454	IO::AIO::flush;
3455	Coro::cede_notself;
3456	last unless IO::AIO::nreqs || BDB::nreqs;
3457	warn "iterate...";
3458	}
3459
3460	++$RELOAD;
3461
3462	warn "cancelling all extension coros";	4028	trace "perl_reload: cancelling all extension coros";
3463	$_->cancel for values %EXT_CORO;	4029	$_->cancel for values %EXT_CORO;
3464	%EXT_CORO = ();	4030	%EXT_CORO = ();
3465		4031
3466	warn "removing commands";	4032	trace "perl_reload: removing commands";
3467	%COMMAND = ();	4033	%COMMAND = ();
3468		4034
3469	warn "removing ext/exti commands";	4035	trace "perl_reload: removing ext/exti commands";
3470	%EXTCMD = ();	4036	%EXTCMD = ();
3471	%EXTICMD = ();	4037	%EXTICMD = ();
3472		4038
3473	warn "unloading/nuking all extensions";	4039	trace "perl_reload: unloading/nuking all extensions";
3474	for my $pkg (@EXTS) {	4040	for my $pkg (@EXTS) {
3475	warn "... unloading $pkg";	4041	trace "... unloading $pkg";
3476		4042
3477	if (my $cb = $pkg->can ("unload")) {	4043	if (my $cb = $pkg->can ("unload")) {
3478	eval {	4044	eval {
3479	$cb->($pkg);	4045	$cb->($pkg);
3480	1	4046	1
3481	} 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;
3482	}	4052	}
3483		4053
3484	warn "... nuking $pkg";
3485	Symbol::delete_package $pkg;
3486	}
3487
3488	warn "unloading all perl modules loaded from $LIBDIR";	4054	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3489	while (my ($k, $v) = each %INC) {	4055	while (my ($k, $v) = each %INC) {
3490	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4056	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3491		4057
3492	warn "... unloading $k";	4058	trace "... unloading $k";
3493	delete $INC{$k};	4059	delete $INC{$k};
3494		4060
3495	$k =~ s/\.pm$//;	4061	$k =~ s/\.pm$//;
3496	$k =~ s/\//::/g;	4062	$k =~ s/\//::/g;
3497		4063
3498	if (my $cb = $k->can ("unload_module")) {	4064	if (my $cb = $k->can ("unload_module")) {
3499	$cb->();	4065	$cb->();
		4066	}
		4067
		4068	clear_package $k;
3500	}	4069	}
3501		4070
3502	Symbol::delete_package $k;
3503	}
3504
3505	warn "getting rid of safe::, as good as possible";	4071	trace "perl_reload: getting rid of safe::, as good as possible";
3506	Symbol::delete_package "safe::$_"	4072	clear_package "safe::$_"
3507	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);
3508		4074
3509	warn "unloading cf.pm \"a bit\"";	4075	trace "perl_reload: unloading cf.pm \"a bit\"";
3510	delete $INC{"cf.pm"};	4076	delete $INC{"cf.pm"};
3511	delete $INC{"cf/pod.pm"};	4077	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3512		4078
3513	# don't, removes xs symbols, too,	4079	# don't, removes xs symbols, too,
3514	# and global variables created in xs	4080	# and global variables created in xs
3515	#Symbol::delete_package __PACKAGE__;	4081	#clear_package __PACKAGE__;
3516		4082
3517	warn "unload completed, starting to reload now";	4083	info "perl_reload: unload completed, starting to reload now";
3518		4084
3519	warn "reloading cf.pm";	4085	trace "perl_reload: reloading cf.pm";
3520	require cf;	4086	require cf;
3521	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4087	cf::_connect_to_perl_1;
3522		4088
3523	warn "loading config and database again";	4089	trace "perl_reload: loading config and database again";
3524	cf::reload_config;	4090	cf::reload_config;
3525		4091
3526	warn "loading extensions";	4092	trace "perl_reload: loading extensions";
3527	cf::load_extensions;	4093	cf::load_extensions;
3528		4094
		4095	if ($REATTACH_ON_RELOAD) {
3529	warn "reattaching attachments to objects/players";	4096	trace "perl_reload: reattaching attachments to objects/players";
3530	_global_reattach; # objects, sockets	4097	_global_reattach; # objects, sockets
3531	warn "reattaching attachments to maps";	4098	trace "perl_reload: reattaching attachments to maps";
3532	reattach $_ for values %MAP;	4099	reattach $_ for values %MAP;
3533	warn "reattaching attachments to players";	4100	trace "perl_reload: reattaching attachments to players";
3534	reattach $_ for values %PLAYER;	4101	reattach $_ for values %PLAYER;
		4102	}
3535		4103
3536	warn "leaving sync_job";	4104	cf::_post_init 1;
3537		4105
		4106	trace "perl_reload: leaving sync_job";
		4107
3538	1	4108	1
3539	} or do {	4109	} or do {
3540	warn $@;	4110	error $@;
3541	warn "error while reloading, exiting.";	4111	cf::cleanup "perl_reload: error, exiting.";
3542	exit 1;	4112	};
		4113
		4114	--$RELOAD;
3543	};	4115	}
3544		4116
3545	warn "reloaded";	4117	$t1 = AE::time - $t1;
		4118	info "perl_reload: completed in ${t1}s\n";
3546	};	4119	};
3547		4120
3548	our $RELOAD_WATCHER; # used only during reload	4121	our $RELOAD_WATCHER; # used only during reload
3549		4122
3550	sub reload_perl() {	4123	sub reload_perl() {
3551	# doing reload synchronously and two reloads happen back-to-back,	4124	# doing reload synchronously and two reloads happen back-to-back,
3552	# coro crashes during coro_state_free->destroy here.	4125	# coro crashes during coro_state_free->destroy here.
3553		4126
		4127	$RELOAD_WATCHER ||= cf::async {
		4128	Coro::AIO::aio_wait cache_extensions;
		4129
3554	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4130	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4131	do_reload_perl;
3555	undef $RELOAD_WATCHER;	4132	undef $RELOAD_WATCHER;
3556	do_reload_perl;	4133	};
3557	};	4134	};
3558	}	4135	}
3559		4136
3560	register_command "reload" => sub {	4137	register_command "reload" => sub {
3561	my ($who, $arg) = @_;	4138	my ($who, $arg) = @_;
…		…
3567	reload_perl;	4144	reload_perl;
3568	};	4145	};
3569	}	4146	}
3570	};	4147	};
3571		4148
3572	unshift @INC, $LIBDIR;	4149	#############################################################################
3573		4150
3574	my $bug_warning = 0;	4151	my $bug_warning = 0;
3575		4152
3576	our @WAIT_FOR_TICK;
3577	our @WAIT_FOR_TICK_BEGIN;
3578
3579	sub wait_for_tick {	4153	sub wait_for_tick() {
3580	return unless $TICK_WATCHER->is_active;	4154	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3581	return if $Coro::current == $Coro::main;
3582		4155
3583	my $signal = new Coro::Signal;	4156	$WAIT_FOR_TICK->wait;
3584	push @WAIT_FOR_TICK, $signal;
3585	$signal->wait;
3586	}	4157	}
3587		4158
3588	sub wait_for_tick_begin {	4159	sub wait_for_tick_begin() {
3589	return unless $TICK_WATCHER->is_active;	4160	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3590	return if $Coro::current == $Coro::main;
3591		4161
3592	my $signal = new Coro::Signal;	4162	my $signal = new Coro::Signal;
3593	push @WAIT_FOR_TICK_BEGIN, $signal;	4163	push @WAIT_FOR_TICK_BEGIN, $signal;
3594	$signal->wait;	4164	$signal->wait;
3595	}	4165	}
3596		4166
3597	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {	4167	sub tick {
3598	if ($Coro::current != $Coro::main) {	4168	if ($Coro::current != $Coro::main) {
3599	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4169	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3600	unless ++$bug_warning > 10;	4170	unless ++$bug_warning > 10;
3601	return;	4171	return;
3602	}	4172	}
3603		4173
3604	$NOW = $tick_start = EV::now;	4174	cf::one_tick; # one server iteration
3605		4175
3606	cf::server_tick; # one server iteration	4176	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3607
3608	$RUNTIME += $TICK;
3609	$NEXT_TICK += $TICK;
3610		4177
3611	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4178	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3612	$NEXT_RUNTIME_WRITE = $NOW + 10;	4179	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3613	Coro::async_pool {	4180	Coro::async_pool {
3614	$Coro::current->{desc} = "runtime saver";	4181	$Coro::current->{desc} = "runtime saver";
3615	write_runtime	4182	write_runtime_sync
3616	or warn "ERROR: unable to write runtime file: $!";	4183	or error "ERROR: unable to write runtime file: $!";
3617	};	4184	};
3618	}	4185	}
3619		4186
3620	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4187	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3621	$sig->send;	4188	$sig->send;
3622	}	4189	}
3623	while (my $sig = shift @WAIT_FOR_TICK) {	4190	$WAIT_FOR_TICK->broadcast;
3624	$sig->send;
3625	}
3626		4191
3627	$LOAD = ($NOW - $tick_start) / $TICK;	4192	$LOAD = ($NOW - $TICK_START) / $TICK;
3628	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4193	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3629		4194
3630	_post_tick;	4195	if (0) {
3631	};	4196	if ($NEXT_TICK) {
3632	$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	}
3633		4203
3634	{	4204	{
		4205	# configure BDB
		4206
3635	BDB::min_parallel 8;	4207	BDB::min_parallel 16;
3636	BDB::max_poll_reqs $TICK * 0.1;	4208	BDB::max_poll_reqs $TICK * 0.1;
		4209	#$AnyEvent::BDB::WATCHER->priority (1);
3637		4210
3638	unless ($DB_ENV) {	4211	unless ($DB_ENV) {
3639	$DB_ENV = BDB::db_env_create;	4212	$DB_ENV = BDB::db_env_create;
3640	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4213	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3641	| 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;
3642	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4216	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3643	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4217	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3644		4218
3645	cf::sync_job {	4219	cf::sync_job {
3646	eval {	4220	eval {
…		…
3668	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4242	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3669	};	4243	};
3670	}	4244	}
3671		4245
3672	{	4246	{
		4247	# configure IO::AIO
		4248
3673	IO::AIO::min_parallel 8;	4249	IO::AIO::min_parallel 8;
3674
3675	undef $Coro::AIO::WATCHER;
3676	IO::AIO::max_poll_time $TICK * 0.1;	4250	IO::AIO::max_poll_time $TICK * 0.1;
3677	$AIO_POLL_WATCHER = EV::io IO::AIO::poll_fileno, EV::READ, \&IO::AIO::poll_cb;	4251	undef $AnyEvent::AIO::WATCHER;
3678	}	4252	}
3679		4253
3680	my $_log_backtrace;	4254	our $_log_backtrace;
		4255	our $_log_backtrace_last;
3681		4256
3682	sub _log_backtrace {	4257	sub _log_backtrace {
3683	my ($msg, @addr) = @_;	4258	my ($msg, @addr) = @_;
3684		4259
3685	$msg =~ s/\n//;	4260	$msg =~ s/\n$//;
3686		4261
		4262	if ($_log_backtrace_last eq $msg) {
		4263	LOG llevInfo, "[ABT] $msg\n";
		4264	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3687	# limit the # of concurrent backtraces	4265	# limit the # of concurrent backtraces
3688	if ($_log_backtrace < 2) {	4266	} elsif ($_log_backtrace < 2) {
		4267	$_log_backtrace_last = $msg;
3689	++$_log_backtrace;	4268	++$_log_backtrace;
		4269	my $perl_bt = Carp::longmess $msg;
3690	async {	4270	async {
3691	$Coro::current->{desc} = "abt $msg";	4271	$Coro::current->{desc} = "abt $msg";
3692		4272
3693	my @bt = fork_call {	4273	my @bt = fork_call {
3694	@addr = map { sprintf "%x", $_ } @addr;	4274	@addr = map { sprintf "%x", $_ } @addr;
…		…
3705	}	4285	}
3706		4286
3707	@funcs	4287	@funcs
3708	};	4288	};
3709		4289
3710	LOG llevInfo, "[ABT] $msg\n";	4290	LOG llevInfo, "[ABT] $perl_bt\n";
		4291	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3711	LOG llevInfo, "[ABT] $_\n" for @bt;	4292	LOG llevInfo, "[ABT] $_\n" for @bt;
3712	--$_log_backtrace;	4293	--$_log_backtrace;
3713	};	4294	};
3714	} else {	4295	} else {
3715	LOG llevInfo, "[ABT] $msg\n";	4296	LOG llevInfo, "[ABT] $msg\n";
3716	LOG llevInfo, "[ABT] [suppressed]\n";	4297	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3717	}	4298	}
3718	}	4299	}
3719		4300
3720	# load additional modules	4301	# load additional modules
3721	use cf::pod;	4302	require "cf/$_.pm" for @EXTRA_MODULES;
		4303	cf::_connect_to_perl_2;
3722		4304
3723	END { cf::emergency_save }	4305	END { cf::emergency_save }
3724		4306
3725	1	4307	1
3726		4308

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