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Revision 1.426 by root, Thu Apr 24 04:40:31 2008 UTC vs.
Revision 1.586 by root, Wed Oct 31 15:02:02 2012 UTC

1	#	1	#
2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	#	3	#
4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	#	5	#
6	# Deliantra is free software: you can redistribute it and/or modify	6	# Deliantra is free software: you can redistribute it and/or modify it under
7	# it under the terms of the GNU General Public License as published by	7	# the terms of the Affero GNU General Public License as published by the
8	# the Free Software Foundation, either version 3 of the License, or	8	# Free Software Foundation, either version 3 of the License, or (at your
9	# (at your option) any later version.	9	# option) any later version.
10	#	10	#
11	# This program is distributed in the hope that it will be useful,	11	# This program is distributed in the hope that it will be useful,
12	# but WITHOUT ANY WARRANTY; without even the implied warranty of	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	# GNU General Public License for more details.	14	# GNU General Public License for more details.
15	#	15	#
16	# You should have received a copy of the GNU General Public License	16	# You should have received a copy of the Affero GNU General Public License
17	# along with this program. If not, see <http://www.gnu.org/licenses/>.	17	# and the GNU General Public License along with this program. If not, see
18	#	18	# <http://www.gnu.org/licenses/>.
		19	#
19	# The authors can be reached via e-mail to <support@deliantra.net>	20	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	21	#
21		22
22	package cf;	23	package cf;
23		24
24	use utf8;	25	use common::sense;
25	use strict;
26		26
27	use Symbol;	27	use Symbol;
28	use List::Util;	28	use List::Util;
29	use Socket;	29	use Socket;
30	use EV 3.2;	30	use EV;
31	use Opcode;	31	use Opcode;
32	use Safe;	32	use Safe;
33	use Safe::Hole;	33	use Safe::Hole;
34	use Storable ();	34	use Storable ();
		35	use Carp ();
35		36
		37	use Guard ();
36	use Coro 4.50 ();	38	use Coro ();
37	use Coro::State;	39	use Coro::State;
38	use Coro::Handle;	40	use Coro::Handle;
39	use Coro::EV;	41	use Coro::EV;
		42	use Coro::AnyEvent;
40	use Coro::Timer;	43	use Coro::Timer;
41	use Coro::Signal;	44	use Coro::Signal;
42	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
43	use Coro::AIO;	48	use Coro::AIO;
44	use Coro::BDB;	49	use Coro::BDB 1.6;
45	use Coro::Storable;	50	use Coro::Storable;
46	use Coro::Util ();	51	use Coro::Util ();
47		52
48	use JSON::XS 2.01 ();	53	use JSON::XS 2.01 ();
49	use BDB ();	54	use BDB ();
50	use Data::Dumper;	55	use Data::Dumper;
51	use Digest::MD5;
52	use Fcntl;	56	use Fcntl;
53	use YAML ();	57	use YAML::XS ();
54	use IO::AIO 2.51 ();	58	use IO::AIO ();
55	use Time::HiRes;	59	use Time::HiRes;
56	use Compress::LZF;	60	use Compress::LZF;
57	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
58		64
59	# configure various modules to our taste	65	# configure various modules to our taste
60	#	66	#
61	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
64		75
65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
66		78
67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
68		82
69	our %COMMAND = ();	83	our %COMMAND = ();
70	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
71		85
72	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
73	our %EXTCMD = ();	87	our %EXTCMD = ();
74	our %EXTICMD = ();	88	our %EXTICMD = ();
75	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
76	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
77		91
78	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
79	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
80		96
81	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
82	our $DATADIR = datadir;	99	our $DATADIR = datadir;
83	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
84	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
85	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
86	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
87	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
90	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
91	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
92	our %RESOURCE;	110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	#our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
93		120
94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
95	our $AIO_POLL_WATCHER;
96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
97	our $NEXT_TICK;	123	our $NEXT_TICK;
98	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
99		125
100	our $BDB_POLL_WATCHER;
101	our $BDB_DEADLOCK_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
102	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
103	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
104	our $DB_ENV;	129	our $DB_ENV;
105		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
106	our %CFG;	133	our %CFG;
		134	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
107		135
108	our $UPTIME; $UPTIME ||= time;	136	our $UPTIME; $UPTIME ||= time;
109	our $RUNTIME;	137	our $RUNTIME = 0;
		138	our $SERVER_TICK = 0;
110	our $NOW;	139	our $NOW;
111		140
112	our (%PLAYER, %PLAYER_LOADING); # all users	141	our (%PLAYER, %PLAYER_LOADING); # all users
113	our (%MAP, %MAP_LOADING ); # all maps	142	our (%MAP, %MAP_LOADING ); # all maps
114	our $LINK_MAP; # the special {link} map, which is always available	143	our $LINK_MAP; # the special {link} map, which is always available
…		…
119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	148	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
120	our $LOADAVG; # same thing, but with alpha-smoothing	149	our $LOADAVG; # same thing, but with alpha-smoothing
121	our $JITTER; # average jitter	150	our $JITTER; # average jitter
122	our $TICK_START; # for load detecting purposes	151	our $TICK_START; # for load detecting purposes
123		152
		153	our @POST_INIT;
		154
		155	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		156	our $REALLY_UNLOOP; # never set to true, please :)
		157
		158	our $WAIT_FOR_TICK = new Coro::Signal;
		159	our @WAIT_FOR_TICK_BEGIN;
		160
124	binmode STDOUT;	161	binmode STDOUT;
125	binmode STDERR;	162	binmode STDERR;
126		163
127	# read virtual server time, if available	164	# read virtual server time, if available
128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	165	unless ($RUNTIME || !-e $RUNTIMEFILE) {
129	open my $fh, "<", "$LOCALDIR/runtime"	166	open my $fh, "<", $RUNTIMEFILE
130	or die "unable to read runtime file: $!";	167	or die "unable to read $RUNTIMEFILE file: $!";
131	$RUNTIME = <$fh> + 0.;	168	$RUNTIME = <$fh> + 0.;
132	}	169	}
		170
		171	eval "sub TICK() { $TICK } 1" or die;
133		172
134	mkdir $_	173	mkdir $_
135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	174	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
136		175
137	our $EMERGENCY_POSITION;	176	our $EMERGENCY_POSITION;
138		177
139	sub cf::map::normalise;	178	sub cf::map::normalise;
140		179
		180	sub in_main() {
		181	$Coro::current == $Coro::main
		182	}
		183
141	#############################################################################	184	#############################################################################
142		185
		186	%REFLECT = ();
		187	for (@REFLECT) {
		188	my $reflect = JSON::XS::decode_json $_;
		189	$REFLECT{$reflect->{class}} = $reflect;
		190	}
		191
		192	# this is decidedly evil
		193	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		194
		195	#############################################################################
		196
143	=head2 GLOBAL VARIABLES	197	=head2 GLOBAL VARIABLES
144		198
145	=over 4	199	=over 4
146		200
147	=item $cf::UPTIME	201	=item $cf::UPTIME
148		202
149	The timestamp of the server start (so not actually an uptime).	203	The timestamp of the server start (so not actually an "uptime").
		204
		205	=item $cf::SERVER_TICK
		206
		207	An unsigned integer that starts at zero when the server is started and is
		208	incremented on every tick.
		209
		210	=item $cf::NOW
		211
		212	The (real) time of the last (current) server tick - updated before and
		213	after tick processing, so this is useful only as a rough "what time is it
		214	now" estimate.
		215
		216	=item $cf::TICK
		217
		218	The interval between each server tick, in seconds.
150		219
151	=item $cf::RUNTIME	220	=item $cf::RUNTIME
152		221
153	The time this server has run, starts at 0 and is increased by $cf::TICK on	222	The time this server has run, starts at 0 and is increased by $cf::TICK on
154	every server tick.	223	every server tick.
…		…
160	Various directories - "/etc", read-only install directory, perl-library	229	Various directories - "/etc", read-only install directory, perl-library
161	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	230	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
162	unique-items directory, player file directory, random maps directory and	231	unique-items directory, player file directory, random maps directory and
163	database environment.	232	database environment.
164		233
165	=item $cf::NOW
166
167	The time of the last (current) server tick.
168
169	=item $cf::TICK
170
171	The interval between server ticks, in seconds.
172
173	=item $cf::LOADAVG	234	=item $cf::LOADAVG
174		235
175	The current CPU load on the server (alpha-smoothed), as a value between 0	236	The current CPU load on the server (alpha-smoothed), as a value between 0
176	(none) and 1 (overloaded), indicating how much time is spent on processing	237	(none) and 1 (overloaded), indicating how much time is spent on processing
177	objects per tick. Healthy values are < 0.5.	238	objects per tick. Healthy values are < 0.5.
…		…
186	from wherever your confdir points to.	247	from wherever your confdir points to.
187		248
188	=item cf::wait_for_tick, cf::wait_for_tick_begin	249	=item cf::wait_for_tick, cf::wait_for_tick_begin
189		250
190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	251	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
191	returns directly I<after> the tick processing (and consequently, can only wake one process	252	returns directly I<after> the tick processing (and consequently, can only wake one thread
192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	253	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
193		254
		255	Note that cf::Wait_for_tick will immediately return when the server is not
		256	ticking, making it suitable for small pauses in threads that need to run
		257	when the server is paused. If that is not applicable (i.e. you I<really>
		258	want to wait, use C<$cf::WAIT_FOR_TICK>).
		259
		260	=item $cf::WAIT_FOR_TICK
		261
		262	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		263	variable contains a L<Coro::Signal> that is broadcats after every server
		264	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		265	next server tick.
		266
		267	=cut
		268
		269	sub wait_for_tick();
		270	sub wait_for_tick_begin();
		271
194	=item @cf::INVOKE_RESULTS	272	=item @cf::INVOKE_RESULTS
195		273
196	This array contains the results of the last C<invoke ()> call. When	274	This array contains the results of the last C<invoke ()> call. When
197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	275	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
198	that call.	276	that call.
199		277
		278	=item %cf::REFLECT
		279
		280	Contains, for each (C++) class name, a hash reference with information
		281	about object members (methods, scalars, arrays and flags) and other
		282	metadata, which is useful for introspection.
		283
200	=back	284	=back
201		285
202	=cut	286	=cut
203		287
204	BEGIN {	288	sub error(@) { LOG llevError, join "", @_ }
205	*CORE::GLOBAL::warn = sub {	289	sub warn (@) { LOG llevWarn , join "", @_ }
		290	sub info (@) { LOG llevInfo , join "", @_ }
		291	sub debug(@) { LOG llevDebug, join "", @_ }
		292	sub trace(@) { LOG llevTrace, join "", @_ }
		293
		294	$Coro::State::WARNHOOK = sub {
206	my $msg = join "", @_;	295	my $msg = join "", @_;
207		296
208	$msg .= "\n"	297	$msg .= "\n"
209	unless $msg =~ /\n$/;	298	unless $msg =~ /\n$/;
210		299
211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	300	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
212		301
213	LOG llevError, $msg;	302	LOG llevWarn, $msg;
214	};	303	};
215	}
216		304
217	$Coro::State::DIEHOOK = sub {	305	$Coro::State::DIEHOOK = sub {
218	return unless $^S eq 0; # "eq", not "=="	306	return unless $^S eq 0; # "eq", not "=="
219		307
220	if ($Coro::current == $Coro::main) {#d#	308	error Carp::longmess $_[0];
		309
		310	if (in_main) {#d#
221	warn "DIEHOOK called in main context, Coro bug?\n";#d#	311	error "DIEHOOK called in main context, Coro bug?\n";#d#
222	return;#d#	312	return;#d#
223	}#d#	313	}#d#
224		314
225	# kill coroutine otherwise	315	# kill coroutine otherwise
226	warn Carp::longmess $_[0];
227	Coro::terminate	316	Coro::terminate
228	};	317	};
229
230	$SIG{__DIE__} = sub { }; #d#?
231		318
232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	319	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	320	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	321	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	322	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
242	for my $pkg (qw(	329	for my $pkg (qw(
243	cf::global cf::attachable	330	cf::global cf::attachable
244	cf::object cf::object::player	331	cf::object cf::object::player
245	cf::client cf::player	332	cf::client cf::player
246	cf::arch cf::living	333	cf::arch cf::living
		334	cf::map cf::mapspace
247	cf::map cf::party cf::region	335	cf::party cf::region
248	)) {	336	)) {
249	no strict 'refs';
250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	337	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
251	}	338	}
252		339
253	$EV::DIED = sub {	340	$EV::DIED = sub {
254	warn "error in event callback: @_";	341	warn "error in event callback: $@";
255	};	342	};
		343
		344	#############################################################################
		345
		346	sub fork_call(&@);
		347	sub get_slot($;$$);
256		348
257	#############################################################################	349	#############################################################################
258		350
259	=head2 UTILITY FUNCTIONS	351	=head2 UTILITY FUNCTIONS
260		352
…		…
281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	373	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
282	$d	374	$d
283	} || "[unable to dump $_[0]: '$@']";	375	} || "[unable to dump $_[0]: '$@']";
284	}	376	}
285		377
		378	=item $scalar = cf::load_file $path
		379
		380	Loads the given file from path and returns its contents. Croaks on error
		381	and can block.
		382
		383	=cut
		384
		385	sub load_file($) {
		386	0 <= aio_load $_[0], my $data
		387	or Carp::croak "$_[0]: $!";
		388
		389	$data
		390	}
		391
		392	=item $success = cf::replace_file $path, $data, $sync
		393
		394	Atomically replaces the file at the given $path with new $data, and
		395	optionally $sync the data to disk before replacing the file.
		396
		397	=cut
		398
		399	sub replace_file($$;$) {
		400	my ($path, $data, $sync) = @_;
		401
		402	my $lock = cf::lock_acquire ("replace_file:$path");
		403
		404	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		405	or return;
		406
		407	$data = $data->() if ref $data;
		408
		409	length $data == aio_write $fh, 0, (length $data), $data, 0
		410	or return;
		411
		412	!$sync
		413	or !aio_fsync $fh
		414	or return;
		415
		416	aio_close $fh
		417	and return;
		418
		419	aio_rename "$path~", $path
		420	and return;
		421
		422	if ($sync) {
		423	$path =~ s%/[^/]*$%%;
		424	aio_pathsync $path;
		425	}
		426
		427	1
		428	}
		429
286	=item $ref = cf::decode_json $json	430	=item $ref = cf::decode_json $json
287		431
288	Converts a JSON string into the corresponding perl data structure.	432	Converts a JSON string into the corresponding perl data structure.
289		433
290	=item $json = cf::encode_json $ref	434	=item $json = cf::encode_json $ref
…		…
296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	440	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
297		441
298	sub encode_json($) { $json_coder->encode ($_[0]) }	442	sub encode_json($) { $json_coder->encode ($_[0]) }
299	sub decode_json($) { $json_coder->decode ($_[0]) }	443	sub decode_json($) { $json_coder->decode ($_[0]) }
300		444
		445	=item $ref = cf::decode_storable $scalar
		446
		447	Same as Coro::Storable::thaw, so blocks.
		448
		449	=cut
		450
		451	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		452
		453	=item $ref = cf::decode_yaml $scalar
		454
		455	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		456
		457	=cut
		458
		459	sub decode_yaml($) {
		460	fork_call { YAML::XS::Load $_[0] } @_
		461	}
		462
		463	=item $scalar = cf::unlzf $scalar
		464
		465	Same as Compress::LZF::compress, but takes server ticks into account, so
		466	blocks.
		467
		468	=cut
		469
		470	sub unlzf($) {
		471	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		472	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		473	Compress::LZF::decompress $_[0]
		474	}
		475
		476	=item cf::post_init { BLOCK }
		477
		478	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		479	but I<before> the server starts ticking again.
		480
		481	The codeblock will have a single boolean argument to indicate whether this
		482	is a reload or not.
		483
		484	=cut
		485
		486	sub post_init(&) {
		487	push @POST_INIT, shift;
		488	}
		489
		490	sub _post_init {
		491	trace "running post_init jobs";
		492
		493	# run them in parallel...
		494
		495	my @join;
		496
		497	while () {
		498	push @join, map &Coro::async ($_, 0), @POST_INIT;
		499	@POST_INIT = ();
		500
		501	@join or last;
		502
		503	(pop @join)->join;
		504	}
		505	}
		506
301	=item cf::lock_wait $string	507	=item cf::lock_wait $string
302		508
303	Wait until the given lock is available. See cf::lock_acquire.	509	Wait until the given lock is available. See cf::lock_acquire.
304		510
305	=item my $lock = cf::lock_acquire $string	511	=item my $lock = cf::lock_acquire $string
306		512
307	Wait until the given lock is available and then acquires it and returns	513	Wait until the given lock is available and then acquires it and returns
308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	514	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
309	for example when the coroutine gets canceled), the lock is automatically	515	for example when the coroutine gets canceled), the lock is automatically
310	returned.	516	returned.
311		517
312	Locks are *not* recursive, locking from the same coro twice results in a	518	Locks are *not* recursive, locking from the same coro twice results in a
313	deadlocked coro.	519	deadlocked coro.
…		…
319		525
320	Return true if the lock is currently active, i.e. somebody has locked it.	526	Return true if the lock is currently active, i.e. somebody has locked it.
321		527
322	=cut	528	=cut
323		529
324	our %LOCK;	530	our $LOCKS = new Coro::SemaphoreSet;
325	our %LOCKER;#d#
326		531
327	sub lock_wait($) {	532	sub lock_wait($) {
328	my ($key) = @_;	533	$LOCKS->wait ($_[0]);
329
330	if ($LOCKER{$key} == $Coro::current) {#d#
331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
332	return;#d#
333	}#d#
334
335	# wait for lock, if any
336	while ($LOCK{$key}) {
337	push @{ $LOCK{$key} }, $Coro::current;
338	Coro::schedule;
339	}
340	}	534	}
341		535
342	sub lock_acquire($) {	536	sub lock_acquire($) {
343	my ($key) = @_;	537	$LOCKS->guard ($_[0])
344
345	# wait, to be sure we are not locked
346	lock_wait $key;
347
348	$LOCK{$key} = [];
349	$LOCKER{$key} = $Coro::current;#d#
350
351	Coro::guard {
352	delete $LOCKER{$key};#d#
353	# wake up all waiters, to be on the safe side
354	$_->ready for @{ delete $LOCK{$key} };
355	}
356	}	538	}
357		539
358	sub lock_active($) {	540	sub lock_active($) {
359	my ($key) = @_;	541	$LOCKS->count ($_[0]) < 1
360
361	! ! $LOCK{$key}
362	}	542	}
363		543
364	sub freeze_mainloop {	544	sub freeze_mainloop {
365	tick_inhibit_inc;	545	tick_inhibit_inc;
366		546
367	Coro::guard \&tick_inhibit_dec;	547	&Guard::guard (\&tick_inhibit_dec);
368	}	548	}
369		549
370	=item cf::periodic $interval, $cb	550	=item cf::periodic $interval, $cb
371		551
372	Like EV::periodic, but randomly selects a starting point so that the actions	552	Like EV::periodic, but randomly selects a starting point so that the actions
373	get spread over timer.	553	get spread over time.
374		554
375	=cut	555	=cut
376		556
377	sub periodic($$) {	557	sub periodic($$) {
378	my ($interval, $cb) = @_;	558	my ($interval, $cb) = @_;
…		…
382	EV::periodic $start, $interval, 0, $cb	562	EV::periodic $start, $interval, 0, $cb
383	}	563	}
384		564
385	=item cf::get_slot $time[, $priority[, $name]]	565	=item cf::get_slot $time[, $priority[, $name]]
386		566
387	Allocate $time seconds of blocking CPU time at priority C<$priority>:	567	Allocate $time seconds of blocking CPU time at priority C<$priority>
388	This call blocks and returns only when you have at least C<$time> seconds	568	(default: 0): This call blocks and returns only when you have at least
389	of cpu time till the next tick. The slot is only valid till the next cede.	569	C<$time> seconds of cpu time till the next tick. The slot is only valid
		570	till the next cede.
		571
		572	Background jobs should use a priority les than zero, interactive jobs
		573	should use 100 or more.
390		574
391	The optional C<$name> can be used to identify the job to run. It might be	575	The optional C<$name> can be used to identify the job to run. It might be
392	used for statistical purposes and should identify the same time-class.	576	used for statistical purposes and should identify the same time-class.
393		577
394	Useful for short background jobs.	578	Useful for short background jobs.
395		579
396	=cut	580	=cut
397		581
398	our @SLOT_QUEUE;	582	our @SLOT_QUEUE;
399	our $SLOT_QUEUE;	583	our $SLOT_QUEUE;
		584	our $SLOT_DECAY = 0.9;
400		585
401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	586	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
402	$SLOT_QUEUE = Coro::async {	587	$SLOT_QUEUE = Coro::async {
403	$Coro::current->desc ("timeslot manager");	588	$Coro::current->desc ("timeslot manager");
404		589
405	my $signal = new Coro::Signal;	590	my $signal = new Coro::Signal;
		591	my $busy;
406		592
407	while () {	593	while () {
408	next_job:	594	next_job:
		595
409	my $avail = cf::till_tick;	596	my $avail = cf::till_tick;
410	if ($avail > 0.01) {	597
411	for (0 .. $#SLOT_QUEUE) {	598	for (0 .. $#SLOT_QUEUE) {
412	if ($SLOT_QUEUE[$_][0] < $avail) {	599	if ($SLOT_QUEUE[$_][0] <= $avail) {
		600	$busy = 0;
413	my $job = splice @SLOT_QUEUE, $_, 1, ();	601	my $job = splice @SLOT_QUEUE, $_, 1, ();
414	$job->[2]->send;	602	$job->[2]->send;
415	Coro::cede;	603	Coro::cede;
416	goto next_job;	604	goto next_job;
417	}	605	} else {
		606	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
418	}	607	}
419	}	608	}
420		609
421	if (@SLOT_QUEUE) {	610	if (@SLOT_QUEUE) {
422	# we do not use wait_for_tick() as it returns immediately when tick is inactive	611	# we do not use wait_for_tick() as it returns immediately when tick is inactive
423	push @cf::WAIT_FOR_TICK, $signal;	612	$WAIT_FOR_TICK->wait;
424	$signal->wait;
425	} else {	613	} else {
		614	$busy = 0;
426	Coro::schedule;	615	Coro::schedule;
427	}	616	}
428	}	617	}
429	};	618	};
430		619
431	sub get_slot($;$$) {	620	sub get_slot($;$$) {
432	return if tick_inhibit || $Coro::current == $Coro::main;	621	return if tick_inhibit || $Coro::current == $Coro::main;
433		622
434	my ($time, $pri, $name) = @_;	623	my ($time, $pri, $name) = @_;
435		624
436	$time = $TICK * .6 if $time > $TICK * .6;	625	$time = clamp $time, 0.01, $TICK * .6;
		626
437	my $sig = new Coro::Signal;	627	my $sig = new Coro::Signal;
438		628
439	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	629	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
440	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	630	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
441	$SLOT_QUEUE->ready;	631	$SLOT_QUEUE->ready;
…		…
467	=cut	657	=cut
468		658
469	sub sync_job(&) {	659	sub sync_job(&) {
470	my ($job) = @_;	660	my ($job) = @_;
471		661
472	if ($Coro::current == $Coro::main) {	662	if (in_main) {
473	my $time = EV::time;	663	my $time = AE::time;
474		664
475	# this is the main coro, too bad, we have to block	665	# this is the main coro, too bad, we have to block
476	# till the operation succeeds, freezing the server :/	666	# till the operation succeeds, freezing the server :/
477		667
478	LOG llevError, Carp::longmess "sync job";#d#	668	#LOG llevError, Carp::longmess "sync job";#d#
479		669
480	my $freeze_guard = freeze_mainloop;	670	my $freeze_guard = freeze_mainloop;
481		671
482	my $busy = 1;	672	my $busy = 1;
483	my @res;	673	my @res;
484		674
485	(async {	675	(async {
486	$Coro::current->desc ("sync job coro");	676	$Coro::current->desc ("sync job coro");
487	@res = eval { $job->() };	677	@res = eval { $job->() };
488	warn $@ if $@;	678	error $@ if $@;
489	undef $busy;	679	undef $busy;
490	})->prio (Coro::PRIO_MAX);	680	})->prio (Coro::PRIO_MAX);
491		681
492	while ($busy) {	682	while ($busy) {
493	if (Coro::nready) {	683	if (Coro::nready) {
…		…
495	} else {	685	} else {
496	EV::loop EV::LOOP_ONESHOT;	686	EV::loop EV::LOOP_ONESHOT;
497	}	687	}
498	}	688	}
499		689
500	my $time = EV::time - $time;	690	my $time = AE::time - $time;
501		691
502	$TICK_START += $time; # do not account sync jobs to server load	692	$TICK_START += $time; # do not account sync jobs to server load
503		693
504	wantarray ? @res : $res[0]	694	wantarray ? @res : $res[0]
505	} else {	695	} else {
…		…
527	$EXT_CORO{$coro+0} = $coro;	717	$EXT_CORO{$coro+0} = $coro;
528		718
529	$coro	719	$coro
530	}	720	}
531		721
532	=item fork_call { }, $args	722	=item fork_call { }, @args
533		723
534	Executes the given code block with the given arguments in a seperate	724	Executes the given code block with the given arguments in a seperate
535	process, returning the results. Everything must be serialisable with	725	process, returning the results. Everything must be serialisable with
536	Coro::Storable. May, of course, block. Note that the executed sub may	726	Coro::Storable. May, of course, block. Note that the executed sub may
537	never block itself or use any form of event handling.	727	never block itself or use any form of event handling.
538		728
539	=cut	729	=cut
540		730
		731	sub post_fork {
		732	reset_signals;
		733	}
		734
541	sub fork_call(&@) {	735	sub fork_call(&@) {
542	my ($cb, @args) = @_;	736	my ($cb, @args) = @_;
543		737
544	# we seemingly have to make a local copy of the whole thing,	738	# we seemingly have to make a local copy of the whole thing,
545	# otherwise perl prematurely frees the stuff :/	739	# otherwise perl prematurely frees the stuff :/
546	# TODO: investigate and fix (likely this will be rather laborious)	740	# TODO: investigate and fix (likely this will be rather laborious)
547		741
548	my @res = Coro::Util::fork_eval {	742	my @res = Coro::Util::fork_eval {
549	reset_signals;	743	cf::post_fork;
550	&$cb	744	&$cb
551	}, @args;	745	} @args;
552		746
553	wantarray ? @res : $res[-1]	747	wantarray ? @res : $res[-1]
		748	}
		749
		750	sub objinfo {
		751	(
		752	"counter value" => cf::object::object_count,
		753	"objects created" => cf::object::create_count,
		754	"objects destroyed" => cf::object::destroy_count,
		755	"freelist size" => cf::object::free_count,
		756	"allocated objects" => cf::object::objects_size,
		757	"active objects" => cf::object::actives_size,
		758	)
554	}	759	}
555		760
556	=item $coin = coin_from_name $name	761	=item $coin = coin_from_name $name
557		762
558	=cut	763	=cut
…		…
595	within each server.	800	within each server.
596		801
597	=cut	802	=cut
598		803
599	sub db_table($) {	804	sub db_table($) {
		805	cf::error "db_get called from main context"
		806	if $Coro::current == $Coro::main;
		807
600	my ($name) = @_;	808	my ($name) = @_;
601	my $db = BDB::db_create $DB_ENV;	809	my $db = BDB::db_create $DB_ENV;
602		810
603	eval {	811	eval {
604	$db->set_flags (BDB::CHKSUM);	812	$db->set_flags (BDB::CHKSUM);
…		…
614	}	822	}
615		823
616	our $DB;	824	our $DB;
617		825
618	sub db_init {	826	sub db_init {
619	cf::sync_job {
620	$DB ||= db_table "db";	827	$DB ||= db_table "db";
621	};
622	}	828	}
623		829
624	sub db_get($$) {	830	sub db_get($$) {
625	my $key = "$_[0]/$_[1]";	831	my $key = "$_[0]/$_[1]";
626		832
627	cf::sync_job {	833	cf::error "db_get called from main context"
		834	if $Coro::current == $Coro::main;
		835
628	BDB::db_get $DB, undef, $key, my $data;	836	BDB::db_get $DB, undef, $key, my $data;
629		837
630	$! ? ()	838	$! ? ()
631	: $data	839	: $data
632	}
633	}	840	}
634		841
635	sub db_put($$$) {	842	sub db_put($$$) {
636	BDB::dbreq_pri 4;	843	BDB::dbreq_pri 4;
637	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	844	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
665		872
666	my @data;	873	my @data;
667	my $md5;	874	my $md5;
668		875
669	for (0 .. $#$src) {	876	for (0 .. $#$src) {
670	0 <= aio_load $src->[$_], $data[$_]	877	$data[$_] = load_file $src->[$_];
671	or Carp::croak "$src->[$_]: $!";
672	}	878	}
673		879
674	# if processing is expensive, check	880	# if processing is expensive, check
675	# checksum first	881	# checksum first
676	if (1) {	882	if (1) {
…		…
693		899
694	my $t1 = Time::HiRes::time;	900	my $t1 = Time::HiRes::time;
695	my $data = $process->(\@data);	901	my $data = $process->(\@data);
696	my $t2 = Time::HiRes::time;	902	my $t2 = Time::HiRes::time;
697		903
698	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	904	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
699		905
700	db_put cache => "$id/data", $data;	906	db_put cache => "$id/data", $data;
701	db_put cache => "$id/md5" , $md5;	907	db_put cache => "$id/md5" , $md5;
702	db_put cache => "$id/meta", $meta;	908	db_put cache => "$id/meta", $meta;
703		909
…		…
713		919
714	=cut	920	=cut
715		921
716	sub datalog($@) {	922	sub datalog($@) {
717	my ($type, %kv) = @_;	923	my ($type, %kv) = @_;
718	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	924	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
719	}	925	}
720		926
721	=back	927	=back
722		928
723	=cut	929	=cut
724		930
725	#############################################################################	931	#############################################################################
726		932
727	=head2 ATTACHABLE OBJECTS	933	=head2 ATTACHABLE OBJECTS
728		934
729	Many objects in crossfire are so-called attachable objects. That means you can	935	Many objects in deliantra are so-called attachable objects. That means you can
730	attach callbacks/event handlers (a collection of which is called an "attachment")	936	attach callbacks/event handlers (a collection of which is called an "attachment")
731	to it. All such attachable objects support the following methods.	937	to it. All such attachable objects support the following methods.
732		938
733	In the following description, CLASS can be any of C<global>, C<object>	939	In the following description, CLASS can be any of C<global>, C<object>
734	C<player>, C<client> or C<map> (i.e. the attachable objects in	940	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
784	=item cf::CLASS::attachment $name, ...	990	=item cf::CLASS::attachment $name, ...
785		991
786	Register an attachment by C<$name> through which attachable objects of the	992	Register an attachment by C<$name> through which attachable objects of the
787	given CLASS can refer to this attachment.	993	given CLASS can refer to this attachment.
788		994
789	Some classes such as crossfire maps and objects can specify attachments	995	Some classes such as deliantra maps and objects can specify attachments
790	that are attached at load/instantiate time, thus the need for a name.	996	that are attached at load/instantiate time, thus the need for a name.
791		997
792	These calls expect any number of the following handler/hook descriptions:	998	These calls expect any number of the following handler/hook descriptions:
793		999
794	=over 4	1000	=over 4
…		…
918		1124
919	} elsif (exists $cb_id{$type}) {	1125	} elsif (exists $cb_id{$type}) {
920	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1126	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
921		1127
922	} elsif (ref $type) {	1128	} elsif (ref $type) {
923	warn "attaching objects not supported, ignoring.\n";	1129	error "attaching objects not supported, ignoring.\n";
924		1130
925	} else {	1131	} else {
926	shift @arg;	1132	shift @arg;
927	warn "attach argument '$type' not supported, ignoring.\n";	1133	error "attach argument '$type' not supported, ignoring.\n";
928	}	1134	}
929	}	1135	}
930	}	1136	}
931		1137
932	sub _object_attach {	1138	sub _object_attach {
…		…
942	_attach $registry, $klass, @attach;	1148	_attach $registry, $klass, @attach;
943	}	1149	}
944		1150
945	$obj->{$name} = \%arg;	1151	$obj->{$name} = \%arg;
946	} else {	1152	} else {
947	warn "object uses attachment '$name' which is not available, postponing.\n";	1153	info "object uses attachment '$name' which is not available, postponing.\n";
948	}	1154	}
949		1155
950	$obj->{_attachment}{$name} = undef;	1156	$obj->{_attachment}{$name} = undef;
951	}	1157	}
952		1158
…		…
1011		1217
1012	for (@$callbacks) {	1218	for (@$callbacks) {
1013	eval { &{$_->[1]} };	1219	eval { &{$_->[1]} };
1014		1220
1015	if ($@) {	1221	if ($@) {
1016	warn "$@";
1017	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1222	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1018	override;	1223	override;
1019	}	1224	}
1020		1225
1021	return 1 if $override;	1226	return 1 if $override;
1022	}	1227	}
…		…
1085		1290
1086	sub reattach {	1291	sub reattach {
1087	# basically do the same as instantiate, without calling instantiate	1292	# basically do the same as instantiate, without calling instantiate
1088	my ($obj) = @_;	1293	my ($obj) = @_;
1089		1294
		1295	# no longer needed after getting rid of delete_package?
1090	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1296	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1091		1297
1092	my $registry = $obj->registry;	1298	my $registry = $obj->registry;
1093		1299
1094	@$registry = ();	1300	@$registry = ();
1095		1301
…		…
1100	for (@$attach) {	1306	for (@$attach) {
1101	my ($klass, @attach) = @$_;	1307	my ($klass, @attach) = @$_;
1102	_attach $registry, $klass, @attach;	1308	_attach $registry, $klass, @attach;
1103	}	1309	}
1104	} else {	1310	} else {
1105	warn "object uses attachment '$name' that is not available, postponing.\n";	1311	info "object uses attachment '$name' that is not available, postponing.\n";
1106	}	1312	}
1107	}	1313	}
1108	}	1314	}
1109		1315
1110	cf::attachable->attach (	1316	cf::attachable->attach (
…		…
1137	my ($filename, $rdata, $objs) = @_;	1343	my ($filename, $rdata, $objs) = @_;
1138		1344
1139	sync_job {	1345	sync_job {
1140	if (length $$rdata) {	1346	if (length $$rdata) {
1141	utf8::decode (my $decname = $filename);	1347	utf8::decode (my $decname = $filename);
1142	warn sprintf "saving %s (%d,%d)\n",	1348	trace sprintf "saving %s (%d,%d)\n",
1143	$decname, length $$rdata, scalar @$objs;	1349	$decname, length $$rdata, scalar @$objs
		1350	if $VERBOSE_IO;
1144		1351
1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1352	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1146	chmod SAVE_MODE, $fh;	1353	aio_chmod $fh, SAVE_MODE;
1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1354	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1148	aio_fsync $fh if $cf::USE_FSYNC;	1355	if ($cf::USE_FSYNC) {
		1356	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1357	aio_fsync $fh;
		1358	}
1149	close $fh;	1359	aio_close $fh;
1150		1360
1151	if (@$objs) {	1361	if (@$objs) {
1152	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1362	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1153	chmod SAVE_MODE, $fh;	1363	aio_chmod $fh, SAVE_MODE;
1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1364	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1155	aio_write $fh, 0, (length $data), $data, 0;	1365	aio_write $fh, 0, (length $data), $data, 0;
1156	aio_fsync $fh if $cf::USE_FSYNC;	1366	if ($cf::USE_FSYNC) {
		1367	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1368	aio_fsync $fh;
		1369	}
1157	close $fh;	1370	aio_close $fh;
1158	aio_rename "$filename.pst~", "$filename.pst";	1371	aio_rename "$filename.pst~", "$filename.pst";
1159	}	1372	}
1160	} else {	1373	} else {
1161	aio_unlink "$filename.pst";	1374	aio_unlink "$filename.pst";
1162	}	1375	}
1163		1376
1164	aio_rename "$filename~", $filename;	1377	aio_rename "$filename~", $filename;
		1378
		1379	$filename =~ s%/[^/]+$%%;
		1380	aio_pathsync $filename if $cf::USE_FSYNC;
1165	} else {	1381	} else {
1166	warn "FATAL: $filename~: $!\n";	1382	error "unable to save objects: $filename~: $!\n";
1167	}	1383	}
1168	} else {	1384	} else {
1169	aio_unlink $filename;	1385	aio_unlink $filename;
1170	aio_unlink "$filename.pst";	1386	aio_unlink "$filename.pst";
1171	}	1387	}
…		…
1195	my $st = eval { Coro::Storable::thaw $av };	1411	my $st = eval { Coro::Storable::thaw $av };
1196	$av = $st->{objs};	1412	$av = $st->{objs};
1197	}	1413	}
1198		1414
1199	utf8::decode (my $decname = $filename);	1415	utf8::decode (my $decname = $filename);
1200	warn sprintf "loading %s (%d,%d)\n",	1416	trace sprintf "loading %s (%d,%d)\n",
1201	$decname, length $data, scalar @{$av || []};	1417	$decname, length $data, scalar @{$av || []}
		1418	if $VERBOSE_IO;
1202		1419
1203	($data, $av)	1420	($data, $av)
1204	}	1421	}
1205		1422
1206	=head2 COMMAND CALLBACKS	1423	=head2 COMMAND CALLBACKS
…		…
1262	my ($name, $cb) = @_;	1479	my ($name, $cb) = @_;
1263		1480
1264	$EXTICMD{$name} = $cb;	1481	$EXTICMD{$name} = $cb;
1265	}	1482	}
1266		1483
		1484	use File::Glob ();
		1485
1267	cf::player->attach (	1486	cf::player->attach (
1268	on_command => sub {	1487	on_unknown_command => sub {
1269	my ($pl, $name, $params) = @_;	1488	my ($pl, $name, $params) = @_;
1270		1489
1271	my $cb = $COMMAND{$name}	1490	my $cb = $COMMAND{$name}
1272	or return;	1491	or return;
1273		1492
…		…
1281	my ($pl, $buf) = @_;	1500	my ($pl, $buf) = @_;
1282		1501
1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1502	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1284		1503
1285	if (ref $msg) {	1504	if (ref $msg) {
1286	my ($type, $reply, @payload) =	1505	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1287	"ARRAY" eq ref $msg
1288	? @$msg
1289	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1290		1506
1291	my @reply;	1507	my @reply;
1292		1508
1293	if (my $cb = $EXTCMD{$type}) {	1509	if (my $cb = $EXTCMD{$type}) {
1294	@reply = $cb->($pl, @payload);	1510	@reply = $cb->($pl, @payload);
…		…
1296		1512
1297	$pl->ext_reply ($reply, @reply)	1513	$pl->ext_reply ($reply, @reply)
1298	if $reply;	1514	if $reply;
1299		1515
1300	} else {	1516	} else {
1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1517	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1302	}	1518	}
1303		1519
1304	cf::override;	1520	cf::override;
1305	},	1521	},
1306	);	1522	);
1307		1523
		1524	# "readahead" all extensions
		1525	sub cache_extensions {
		1526	my $grp = IO::AIO::aio_group;
		1527
		1528	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1529	for (grep /\.ext$/, @{$_[0]}) {
		1530	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1531	}
		1532	};
		1533
		1534	$grp
		1535	}
		1536
		1537	sub _ext_cfg_reg($$$$) {
		1538	my ($rvar, $varname, $cfgname, $default) = @_;
		1539
		1540	$cfgname = lc $varname
		1541	unless length $cfgname;
		1542
		1543	$EXT_CFG{$cfgname} = [$rvar, $default];
		1544
		1545	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1546	}
		1547
1308	sub load_extensions {	1548	sub load_extensions {
		1549	info "loading extensions...";
		1550
		1551	%EXT_CFG = ();
		1552
1309	cf::sync_job {	1553	cf::sync_job {
1310	my %todo;	1554	my %todo;
1311		1555
1312	for my $path (<$LIBDIR/*.ext>) {	1556	for my $path (<$LIBDIR/*.ext>) {
1313	next unless -r $path;	1557	next unless -r $path;
…		…
1331		1575
1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1576	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1333	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1577	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1334		1578
1335	$ext{source} =	1579	$ext{source} =
1336	"package $pkg; use strict; use utf8;\n"	1580	"package $pkg; use common::sense;\n"
1337	. "#line 1 \"$path\"\n{\n"	1581	. "#line 1 \"$path\"\n{\n"
1338	. $source	1582	. $source
1339	. "\n};\n1";	1583	. "\n};\n1";
1340		1584
1341	$todo{$base} = \%ext;	1585	$todo{$base} = \%ext;
1342	}	1586	}
1343		1587
		1588	my $pass = 0;
1344	my %done;	1589	my %done;
1345	while (%todo) {	1590	while (%todo) {
1346	my $progress;	1591	my $progress;
1347		1592
		1593	++$pass;
		1594
		1595	ext:
1348	while (my ($k, $v) = each %todo) {	1596	while (my ($k, $v) = each %todo) {
1349	for (split /,\s*/, $v->{meta}{depends}) {	1597	for (split /,\s*/, $v->{meta}{depends}) {
1350	goto skip	1598	next ext
1351	unless exists $done{$_};	1599	unless exists $done{$_};
1352	}	1600	}
1353		1601
1354	warn "... loading '$k' into '$v->{pkg}'\n";	1602	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1355		1603
1356	unless (eval $v->{source}) {	1604	my $source = $v->{source};
		1605
		1606	# support "CONF varname :confname = default" pseudo-statements
		1607	$source =~ s{
		1608	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1609	}{
		1610	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1611	}gmxe;
		1612
		1613	my $active = eval $source;
		1614
		1615	if (length $@) {
1357	my $msg = $@ ? "$v->{path}: $@\n"	1616	error "$v->{path}: $@\n";
1358	: "$v->{base}: extension inactive.\n";
1359		1617
1360	if (exists $v->{meta}{mandatory}) {
1361	warn $msg;
1362	cf::cleanup "mandatory extension failed to load, exiting.";	1618	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1363	}	1619	if exists $v->{meta}{mandatory};
1364		1620
1365	warn $msg;	1621	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1622	delete $todo{$k};
		1623	} else {
		1624	$done{$k} = delete $todo{$k};
		1625	push @EXTS, $v->{pkg};
		1626	$progress = 1;
		1627
		1628	info "$v->{base}: extension inactive.\n"
		1629	unless $active;
1366	}	1630	}
1367
1368	$done{$k} = delete $todo{$k};
1369	push @EXTS, $v->{pkg};
1370	$progress = 1;
1371	}	1631	}
1372		1632
1373	skip:	1633	unless ($progress) {
1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1634	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1375	unless $progress;	1635
		1636	while (my ($k, $v) = each %todo) {
		1637	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1638	if exists $v->{meta}{mandatory};
		1639	}
		1640
		1641	last;
		1642	}
1376	}	1643	}
1377	};	1644	};
1378	}	1645	}
1379		1646
1380	#############################################################################	1647	#############################################################################
1381		1648
1382	=back	1649	=back
1383		1650
1384	=head2 CORE EXTENSIONS	1651	=head2 CORE EXTENSIONS
1385		1652
1386	Functions and methods that extend core crossfire objects.	1653	Functions and methods that extend core deliantra objects.
1387		1654
1388	=cut	1655	=cut
1389		1656
1390	package cf::player;	1657	package cf::player;
1391		1658
…		…
1434		1701
1435	sub exists($) {	1702	sub exists($) {
1436	my ($login) = @_;	1703	my ($login) = @_;
1437		1704
1438	$cf::PLAYER{$login}	1705	$cf::PLAYER{$login}
1439	or cf::sync_job { !aio_stat path $login }	1706	or !aio_stat path $login
1440	}	1707	}
1441		1708
1442	sub find($) {	1709	sub find($) {
1443	return $cf::PLAYER{$_[0]} || do {	1710	return $cf::PLAYER{$_[0]} || do {
1444	my $login = $_[0];	1711	my $login = $_[0];
…		…
1456	my $f = new_from_file cf::object::thawer path $login	1723	my $f = new_from_file cf::object::thawer path $login
1457	or return;	1724	or return;
1458		1725
1459	my $pl = cf::player::load_pl $f	1726	my $pl = cf::player::load_pl $f
1460	or return;	1727	or return;
		1728
1461	local $cf::PLAYER_LOADING{$login} = $pl;	1729	local $cf::PLAYER_LOADING{$login} = $pl;
1462	$f->resolve_delayed_derefs;	1730	$f->resolve_delayed_derefs;
1463	$cf::PLAYER{$login} = $pl	1731	$cf::PLAYER{$login} = $pl
1464	}	1732	}
1465	}	1733	}
1466	}	1734	}
1467		1735
		1736	cf::player->attach (
		1737	on_load => sub {
		1738	my ($pl, $path) = @_;
		1739
		1740	# restore slots saved in save, below
		1741	my $slots = delete $pl->{_slots};
		1742
		1743	$pl->ob->current_weapon ($slots->[0]);
		1744	$pl->combat_ob ($slots->[1]);
		1745	$pl->ranged_ob ($slots->[2]);
		1746	},
		1747	);
		1748
1468	sub save($) {	1749	sub save($) {
1469	my ($pl) = @_;	1750	my ($pl) = @_;
1470		1751
1471	return if $pl->{deny_save};	1752	return if $pl->{deny_save};
1472		1753
…		…
1477		1758
1478	aio_mkdir playerdir $pl, 0770;	1759	aio_mkdir playerdir $pl, 0770;
1479	$pl->{last_save} = $cf::RUNTIME;	1760	$pl->{last_save} = $cf::RUNTIME;
1480		1761
1481	cf::get_slot 0.01;	1762	cf::get_slot 0.01;
		1763
		1764	# save slots, to be restored later
		1765	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1482		1766
1483	$pl->save_pl ($path);	1767	$pl->save_pl ($path);
1484	cf::cede_to_tick;	1768	cf::cede_to_tick;
1485	}	1769	}
1486		1770
…		…
1518	my ($pl) = @_;	1802	my ($pl) = @_;
1519		1803
1520	my $name = $pl->ob->name;	1804	my $name = $pl->ob->name;
1521		1805
1522	$pl->{deny_save} = 1;	1806	$pl->{deny_save} = 1;
1523	$pl->password ("*"); # this should lock out the player until we nuked the dir	1807	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1524		1808
1525	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1809	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1526	$pl->deactivate;	1810	$pl->deactivate;
		1811
		1812	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1527	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1813	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1814	ext::highscore::check ($pl->ob);
		1815
1528	$pl->ns->destroy if $pl->ns;	1816	$pl->ns->destroy if $pl->ns;
1529		1817
1530	my $path = playerdir $pl;	1818	my $path = playerdir $pl;
1531	my $temp = "$path~$cf::RUNTIME~deleting~";	1819	my $temp = "$path~$cf::RUNTIME~deleting~";
1532	aio_rename $path, $temp;	1820	aio_rename $path, $temp;
…		…
1570		1858
1571	for my $login (@$dirs) {	1859	for my $login (@$dirs) {
1572	my $path = path $login;	1860	my $path = path $login;
1573		1861
1574	# a .pst is a dead give-away for a valid player	1862	# a .pst is a dead give-away for a valid player
1575	unless (-e "$path.pst") {	1863	# if no pst file found, open and chekc for blocked users
		1864	if (aio_stat "$path.pst") {
1576	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1865	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1577	aio_read $fh, 0, 512, my $buf, 0 or next;	1866	aio_read $fh, 0, 512, my $buf, 0 or next;
1578	$buf !~ /^password -------------$/m or next; # official not-valid tag	1867	$buf !~ /^password -------------$/m or next; # official not-valid tag
1579	}	1868	}
1580		1869
…		…
1584		1873
1585	\@logins	1874	\@logins
1586	}	1875	}
1587		1876
1588	=item $player->maps	1877	=item $player->maps
		1878
		1879	=item cf::player::maps $login
1589		1880
1590	Returns an arrayref of map paths that are private for this	1881	Returns an arrayref of map paths that are private for this
1591	player. May block.	1882	player. May block.
1592		1883
1593	=cut	1884	=cut
…		…
1611	}	1902	}
1612		1903
1613	\@paths	1904	\@paths
1614	}	1905	}
1615		1906
1616	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1907	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1617		1908
1618	Expand crossfire pod fragments into protocol xml.	1909	Expand deliantra pod fragments into protocol xml.
1619
1620	=cut
1621
1622	use re 'eval';
1623
1624	my $group;
1625	my $interior; $interior = qr{
1626	# match a pod interior sequence sans C<< >>
1627	(?:
1628	\ (.*?)\ (?{ $group = $^N })
1629	| < (??{$interior}) >
1630	)
1631	}x;
1632
1633	sub expand_cfpod {
1634	my ($self, $pod) = @_;
1635
1636	my $xml;
1637
1638	while () {
1639	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1640	$group = $1;
1641
1642	$group =~ s/&/&amp;/g;
1643	$group =~ s/</&lt;/g;
1644
1645	$xml .= $group;
1646	} elsif ($pod =~ m%\G
1647	([BCGHITU])
1648	<
1649	(?:
1650	([^<>]*) (?{ $group = $^N })
1651	| < $interior >
1652	)
1653	>
1654	%gcsx
1655	) {
1656	my ($code, $data) = ($1, $group);
1657
1658	if ($code eq "B") {
1659	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1660	} elsif ($code eq "I") {
1661	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1662	} elsif ($code eq "U") {
1663	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1664	} elsif ($code eq "C") {
1665	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1666	} elsif ($code eq "T") {
1667	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1668	} elsif ($code eq "G") {
1669	my ($male, $female) = split /\|/, $data;
1670	$data = $self->gender ? $female : $male;
1671	$xml .= expand_cfpod ($self, $data);
1672	} elsif ($code eq "H") {
1673	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1674	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1675	"")
1676	[$self->{hintmode}];
1677	} else {
1678	$xml .= "error processing '$code($data)' directive";
1679	}
1680	} else {
1681	if ($pod =~ /\G(.+)/) {
1682	warn "parse error while expanding $pod (at $1)";
1683	}
1684	last;
1685	}
1686	}
1687
1688	for ($xml) {
1689	# create single paragraphs (very hackish)
1690	s/(?<=\S)\n(?=\w)/ /g;
1691
1692	# compress some whitespace
1693	s/\s+\n/\n/g; # ws line-ends
1694	s/\n\n+/\n/g; # double lines
1695	s/^\n+//; # beginning lines
1696	s/\n+$//; # ending lines
1697	}
1698
1699	$xml
1700	}
1701
1702	no re 'eval';
1703
1704	sub hintmode {
1705	$_[0]{hintmode} = $_[1] if @_ > 1;
1706	$_[0]{hintmode}
1707	}
1708		1910
1709	=item $player->ext_reply ($msgid, @msg)	1911	=item $player->ext_reply ($msgid, @msg)
1710		1912
1711	Sends an ext reply to the player.	1913	Sends an ext reply to the player.
1712		1914
…		…
1744		1946
1745	=cut	1947	=cut
1746		1948
1747	sub find_by_path($) {	1949	sub find_by_path($) {
1748	my ($path) = @_;	1950	my ($path) = @_;
		1951
		1952	$path =~ s/^~[^\/]*//; # skip ~login
1749		1953
1750	my ($match, $specificity);	1954	my ($match, $specificity);
1751		1955
1752	for my $region (list) {	1956	for my $region (list) {
1753	if ($region->{match} && $path =~ $region->{match}) {	1957	if ($region->{match} && $path =~ $region->{match}) {
…		…
1782	sub generate_random_map {	1986	sub generate_random_map {
1783	my ($self, $rmp) = @_;	1987	my ($self, $rmp) = @_;
1784		1988
1785	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM	1989	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1786		1990
1787	# mit "rum" bekleckern, nicht
1788	$self->_create_random_map (	1991	$self->_create_random_map ($rmp);
1789	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1790	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1791	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1792	$rmp->{exit_on_final_map},
1793	$rmp->{xsize}, $rmp->{ysize},
1794	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1795	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1796	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1797	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1798	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1799	(cf::region::find $rmp->{region}), $rmp->{custom}
1800	)
1801	}	1992	}
1802		1993
1803	=item cf::map->register ($regex, $prio)	1994	=item cf::map->register ($regex, $prio)
1804		1995
1805	Register a handler for the map path matching the given regex at the	1996	Register a handler for the map path matching the given regex at the
…		…
1810		2001
1811	sub register {	2002	sub register {
1812	my (undef, $regex, $prio) = @_;	2003	my (undef, $regex, $prio) = @_;
1813	my $pkg = caller;	2004	my $pkg = caller;
1814		2005
1815	no strict;
1816	push @{"$pkg\::ISA"}, __PACKAGE__;	2006	push @{"$pkg\::ISA"}, __PACKAGE__;
1817		2007
1818	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2008	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1819	}	2009	}
1820		2010
1821	# also paths starting with '/'	2011	# also paths starting with '/'
1822	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2012	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1823		2013
1824	sub thawer_merge {	2014	sub thawer_merge {
1825	my ($self, $merge) = @_;	2015	my ($self, $merge) = @_;
1826		2016
1827	# we have to keep some variables in memory intact	2017	# we have to keep some variables in memory intact
…		…
1832	}	2022	}
1833		2023
1834	sub normalise {	2024	sub normalise {
1835	my ($path, $base) = @_;	2025	my ($path, $base) = @_;
1836		2026
1837	$path = "$path"; # make sure its a string	2027	$path = "$path"; # make sure it's a string
1838		2028
1839	$path =~ s/\.map$//;	2029	$path =~ s/\.map$//;
1840		2030
1841	# map plan:	2031	# map plan:
1842	#	2032	#
…		…
1857	$base =~ s{[^/]+/?$}{};	2047	$base =~ s{[^/]+/?$}{};
1858	$path = "$base/$path";	2048	$path = "$base/$path";
1859	}	2049	}
1860		2050
1861	for ($path) {	2051	for ($path) {
1862	redo if s{//}{/};
1863	redo if s{/\.?/}{/};	2052	redo if s{/\.?/}{/};
1864	redo if s{/[^/]+/\.\./}{/};	2053	redo if s{/[^/]+/\.\./}{/};
1865	}	2054	}
1866		2055
1867	$path	2056	$path
…		…
1881	$self->init; # pass $1 etc.	2070	$self->init; # pass $1 etc.
1882	return $self;	2071	return $self;
1883	}	2072	}
1884	}	2073	}
1885		2074
1886	Carp::cluck "unable to resolve path '$path' (base '$base').";	2075	Carp::cluck "unable to resolve path '$path' (base '$base')";
1887	()	2076	()
1888	}	2077	}
1889		2078
		2079	# may re-bless or do other evil things
1890	sub init {	2080	sub init {
1891	my ($self) = @_;	2081	my ($self) = @_;
1892		2082
1893	$self	2083	$self
1894	}	2084	}
…		…
1925		2115
1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2116	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1927	"$UNIQUEDIR/$path"	2117	"$UNIQUEDIR/$path"
1928	}	2118	}
1929		2119
1930	# and all this just because we cannot iterate over
1931	# all maps in C++...
1932	sub change_all_map_light {
1933	my ($change) = @_;
1934
1935	$_->change_map_light ($change)
1936	for grep $_->outdoor, values %cf::MAP;
1937	}
1938
1939	sub decay_objects {	2120	sub decay_objects {
1940	my ($self) = @_;	2121	my ($self) = @_;
1941		2122
1942	return if $self->{deny_reset};	2123	return if $self->{deny_reset};
1943		2124
…		…
1968	$self->{load_path} = $path;	2149	$self->{load_path} = $path;
1969		2150
1970	1	2151	1
1971	}	2152	}
1972		2153
		2154	# used to laod the header of an original map
1973	sub load_header_orig {	2155	sub load_header_orig {
1974	my ($self) = @_;	2156	my ($self) = @_;
1975		2157
1976	$self->load_header_from ($self->load_path)	2158	$self->load_header_from ($self->load_path)
1977	}	2159	}
1978		2160
		2161	# used to laod the header of an instantiated map
1979	sub load_header_temp {	2162	sub load_header_temp {
1980	my ($self) = @_;	2163	my ($self) = @_;
1981		2164
1982	$self->load_header_from ($self->save_path)	2165	$self->load_header_from ($self->save_path)
1983	}	2166	}
1984		2167
		2168	# called after loading the header from an instantiated map
1985	sub prepare_temp {	2169	sub prepare_temp {
1986	my ($self) = @_;	2170	my ($self) = @_;
1987		2171
1988	$self->last_access ((delete $self->{last_access})	2172	$self->last_access ((delete $self->{last_access})
1989	|| $cf::RUNTIME); #d#	2173	|| $cf::RUNTIME); #d#
1990	# safety	2174	# safety
1991	$self->{instantiate_time} = $cf::RUNTIME	2175	$self->{instantiate_time} = $cf::RUNTIME
1992	if $self->{instantiate_time} > $cf::RUNTIME;	2176	if $self->{instantiate_time} > $cf::RUNTIME;
1993	}	2177	}
1994		2178
		2179	# called after loading the header from an original map
1995	sub prepare_orig {	2180	sub prepare_orig {
1996	my ($self) = @_;	2181	my ($self) = @_;
1997		2182
1998	$self->{load_original} = 1;	2183	$self->{load_original} = 1;
1999	$self->{instantiate_time} = $cf::RUNTIME;	2184	$self->{instantiate_time} = $cf::RUNTIME;
…		…
2023		2208
2024	sub find;	2209	sub find;
2025	sub find {	2210	sub find {
2026	my ($path, $origin) = @_;	2211	my ($path, $origin) = @_;
2027		2212
		2213	cf::cede_to_tick;
		2214
2028	$path = normalise $path, $origin && $origin->path;	2215	$path = normalise $path, $origin;
2029		2216
2030	cf::lock_wait "map_data:$path";#d#remove	2217	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2031	cf::lock_wait "map_find:$path";	2218	my $guard2 = cf::lock_acquire "map_find:$path";
2032		2219
2033	$cf::MAP{$path} || do {	2220	$cf::MAP{$path} || do {
2034	my $guard1 = cf::lock_acquire "map_find:$path";
2035	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2036
2037	my $map = new_from_path cf::map $path	2221	my $map = new_from_path cf::map $path
2038	or return;	2222	or return;
2039		2223
2040	$map->{last_save} = $cf::RUNTIME;	2224	$map->{last_save} = $cf::RUNTIME;
2041		2225
…		…
2043	or return;	2227	or return;
2044		2228
2045	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2229	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2046	# doing this can freeze the server in a sync job, obviously	2230	# doing this can freeze the server in a sync job, obviously
2047	#$cf::WAIT_FOR_TICK->wait;	2231	#$cf::WAIT_FOR_TICK->wait;
		2232	undef $guard2;
2048	undef $guard1;	2233	undef $guard1;
2049	undef $guard2;
2050	$map->reset;	2234	$map->reset;
2051	return find $path;	2235	return find $path;
2052	}	2236	}
2053		2237
2054	$cf::MAP{$path} = $map	2238	$cf::MAP{$path} = $map
2055	}	2239	}
2056	}	2240	}
2057		2241
2058	sub pre_load { }	2242	sub pre_load { }
2059	sub post_load { }	2243	#sub post_load { } # XS
2060		2244
2061	sub load {	2245	sub load {
2062	my ($self) = @_;	2246	my ($self) = @_;
2063		2247
2064	local $self->{deny_reset} = 1; # loading can take a long time	2248	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2067		2251
2068	{	2252	{
2069	my $guard = cf::lock_acquire "map_data:$path";	2253	my $guard = cf::lock_acquire "map_data:$path";
2070		2254
2071	return unless $self->valid;	2255	return unless $self->valid;
2072	return unless $self->in_memory == cf::MAP_SWAPPED;	2256	return unless $self->state == cf::MAP_SWAPPED;
2073
2074	$self->in_memory (cf::MAP_LOADING);
2075		2257
2076	$self->alloc;	2258	$self->alloc;
2077		2259
2078	$self->pre_load;	2260	$self->pre_load;
2079	cf::cede_to_tick;	2261	cf::cede_to_tick;
2080		2262
		2263	if (exists $self->{load_path}) {
2081	my $f = new_from_file cf::object::thawer $self->{load_path};	2264	my $f = new_from_file cf::object::thawer $self->{load_path};
2082	$f->skip_block;	2265	$f->skip_block;
2083	$self->_load_objects ($f)	2266	$self->_load_objects ($f)
2084	or return;	2267	or return;
2085		2268
2086	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2269	$self->post_load_original
2087	if delete $self->{load_original};	2270	if delete $self->{load_original};
2088		2271
2089	if (my $uniq = $self->uniq_path) {	2272	if (my $uniq = $self->uniq_path) {
2090	utf8::encode $uniq;	2273	utf8::encode $uniq;
2091	unless (aio_stat $uniq) {	2274	unless (aio_stat $uniq) {
2092	if (my $f = new_from_file cf::object::thawer $uniq) {	2275	if (my $f = new_from_file cf::object::thawer $uniq) {
2093	$self->clear_unique_items;	2276	$self->clear_unique_items;
2094	$self->_load_objects ($f);	2277	$self->_load_objects ($f);
2095	$f->resolve_delayed_derefs;	2278	$f->resolve_delayed_derefs;
		2279	}
2096	}	2280	}
2097	}	2281	}
2098	}
2099		2282
2100	$f->resolve_delayed_derefs;	2283	$f->resolve_delayed_derefs;
		2284	} else {
		2285	$self->post_load_original
		2286	if delete $self->{load_original};
		2287	}
		2288
		2289	$self->state (cf::MAP_INACTIVE);
2101		2290
2102	cf::cede_to_tick;	2291	cf::cede_to_tick;
2103	# now do the right thing for maps	2292	# now do the right thing for maps
2104	$self->link_multipart_objects;	2293	$self->link_multipart_objects;
2105	$self->difficulty ($self->estimate_difficulty)	2294	$self->difficulty ($self->estimate_difficulty)
…		…
2109	unless ($self->{deny_activate}) {	2298	unless ($self->{deny_activate}) {
2110	$self->decay_objects;	2299	$self->decay_objects;
2111	$self->fix_auto_apply;	2300	$self->fix_auto_apply;
2112	$self->update_buttons;	2301	$self->update_buttons;
2113	cf::cede_to_tick;	2302	cf::cede_to_tick;
2114	$self->set_darkness_map;	2303	#$self->activate; # no longer activate maps automatically
2115	cf::cede_to_tick;
2116	$self->activate;
2117	}	2304	}
2118		2305
2119	$self->{last_save} = $cf::RUNTIME;	2306	$self->{last_save} = $cf::RUNTIME;
2120	$self->last_access ($cf::RUNTIME);	2307	$self->last_access ($cf::RUNTIME);
2121
2122	$self->in_memory (cf::MAP_ACTIVE);
2123	}	2308	}
2124		2309
2125	$self->post_load;	2310	$self->post_load;
2126	}
2127		2311
		2312	1
		2313	}
		2314
		2315	# customize the map for a given player, i.e.
		2316	# return the _real_ map. used by e.g. per-player
		2317	# maps to change the path to ~playername/mappath
2128	sub customise_for {	2318	sub customise_for {
2129	my ($self, $ob) = @_;	2319	my ($self, $ob) = @_;
2130		2320
2131	return find "~" . $ob->name . "/" . $self->{path}	2321	return find "~" . $ob->name . "/" . $self->{path}
2132	if $self->per_player;	2322	if $self->per_player;
…		…
2135	# if $self->per_party;	2325	# if $self->per_party;
2136		2326
2137	$self	2327	$self
2138	}	2328	}
2139		2329
2140	# find and load all maps in the 3x3 area around a map
2141	sub load_neighbours {
2142	my ($map) = @_;
2143
2144	my @neigh; # diagonal neighbours
2145
2146	for (0 .. 3) {
2147	my $neigh = $map->tile_path ($_)
2148	or next;
2149	$neigh = find $neigh, $map
2150	or next;
2151	$neigh->load;
2152
2153	push @neigh,
2154	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2155	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2156	}
2157
2158	for (grep defined $_->[0], @neigh) {
2159	my ($path, $origin) = @$_;
2160	my $neigh = find $path, $origin
2161	or next;
2162	$neigh->load;
2163	}
2164	}
2165
2166	sub find_sync {	2330	sub find_sync {
2167	my ($path, $origin) = @_;	2331	my ($path, $origin) = @_;
2168		2332
2169	cf::sync_job { find $path, $origin }	2333	# it's a bug to call this from the main context
		2334	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2335	if $Coro::current == $Coro::main;
		2336
		2337	find $path, $origin
2170	}	2338	}
2171		2339
2172	sub do_load_sync {	2340	sub do_load_sync {
2173	my ($map) = @_;	2341	my ($map) = @_;
2174		2342
		2343	# it's a bug to call this from the main context
2175	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2344	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2176	if $Coro::current == $Coro::main;	2345	if $Coro::current == $Coro::main;
2177		2346
2178	cf::sync_job { $map->load };	2347	$map->load;
2179	}	2348	}
2180		2349
2181	our %MAP_PREFETCH;	2350	our %MAP_PREFETCH;
2182	our $MAP_PREFETCHER = undef;	2351	our $MAP_PREFETCHER = undef;
2183		2352
2184	sub find_async {	2353	sub find_async {
2185	my ($path, $origin, $load) = @_;	2354	my ($path, $origin, $load) = @_;
2186		2355
2187	$path = normalise $path, $origin && $origin->{path};	2356	$path = normalise $path, $origin;
2188		2357
2189	if (my $map = $cf::MAP{$path}) {	2358	if (my $map = $cf::MAP{$path}) {
2190	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;	2359	return $map if !$load || $map->linkable;
2191	}	2360	}
2192		2361
2193	$MAP_PREFETCH{$path} |= $load;	2362	$MAP_PREFETCH{$path} |= $load;
2194		2363
2195	$MAP_PREFETCHER ||= cf::async {	2364	$MAP_PREFETCHER ||= cf::async {
…		…
2209	$MAP_PREFETCHER->prio (6);	2378	$MAP_PREFETCHER->prio (6);
2210		2379
2211	()	2380	()
2212	}	2381	}
2213		2382
		2383	# common code, used by both ->save and ->swapout
2214	sub save {	2384	sub _save {
2215	my ($self) = @_;	2385	my ($self) = @_;
2216
2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
2218		2386
2219	$self->{last_save} = $cf::RUNTIME;	2387	$self->{last_save} = $cf::RUNTIME;
2220		2388
2221	return unless $self->dirty;	2389	return unless $self->dirty;
2222		2390
…		…
2242	} else {	2410	} else {
2243	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2411	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2244	}	2412	}
2245	}	2413	}
2246		2414
		2415	sub save {
		2416	my ($self) = @_;
		2417
		2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2419
		2420	$self->_save;
		2421	}
		2422
2247	sub swap_out {	2423	sub swap_out {
2248	my ($self) = @_;	2424	my ($self) = @_;
2249		2425
2250	# save first because save cedes
2251	$self->save;
2252
2253	my $lock = cf::lock_acquire "map_data:$self->{path}";	2426	my $lock = cf::lock_acquire "map_data:$self->{path}";
2254		2427
		2428	return if !$self->linkable;
		2429	return if $self->{deny_save};
2255	return if $self->players;	2430	return if $self->players;
2256	return if $self->in_memory != cf::MAP_ACTIVE;	2431
		2432	# first deactivate the map and "unlink" it from the core
		2433	$self->deactivate;
		2434	$_->clear_links_to ($self) for values %cf::MAP;
		2435	$self->state (cf::MAP_SWAPPED);
		2436
		2437	# then atomically save
		2438	$self->_save;
		2439
		2440	# then free the map
		2441	$self->clear;
		2442	}
		2443
		2444	sub reset_at {
		2445	my ($self) = @_;
		2446
		2447	# TODO: safety, remove and allow resettable per-player maps
2257	return if $self->{deny_save};	2448	return 1e99 if $self->{deny_reset};
2258		2449
		2450	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2451	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2452
		2453	$time + $to
		2454	}
		2455
		2456	sub should_reset {
		2457	my ($self) = @_;
		2458
		2459	$self->reset_at <= $cf::RUNTIME
		2460	}
		2461
		2462	sub reset {
		2463	my ($self) = @_;
		2464
		2465	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2466
		2467	return if $self->players;
		2468
		2469	cf::trace "resetting map ", $self->path, "\n";
		2470
2259	$self->in_memory (cf::MAP_SWAPPED);	2471	$self->state (cf::MAP_SWAPPED);
		2472
		2473	# need to save uniques path
		2474	unless ($self->{deny_save}) {
		2475	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2476
		2477	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2478	if $uniq;
		2479	}
		2480
		2481	delete $cf::MAP{$self->path};
2260		2482
2261	$self->deactivate;	2483	$self->deactivate;
2262	$_->clear_links_to ($self) for values %cf::MAP;	2484	$_->clear_links_to ($self) for values %cf::MAP;
2263	$self->clear;	2485	$self->clear;
2264	}
2265
2266	sub reset_at {
2267	my ($self) = @_;
2268
2269	# TODO: safety, remove and allow resettable per-player maps
2270	return 1e99 if $self->{deny_reset};
2271
2272	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2273	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2274
2275	$time + $to
2276	}
2277
2278	sub should_reset {
2279	my ($self) = @_;
2280
2281	$self->reset_at <= $cf::RUNTIME
2282	}
2283
2284	sub reset {
2285	my ($self) = @_;
2286
2287	my $lock = cf::lock_acquire "map_data:$self->{path}";
2288
2289	return if $self->players;
2290
2291	warn "resetting map ", $self->path;
2292
2293	$self->in_memory (cf::MAP_SWAPPED);
2294
2295	# need to save uniques path
2296	unless ($self->{deny_save}) {
2297	my $uniq = $self->uniq_path; utf8::encode $uniq;
2298
2299	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2300	if $uniq;
2301	}
2302
2303	delete $cf::MAP{$self->path};
2304
2305	$self->deactivate;
2306	$_->clear_links_to ($self) for values %cf::MAP;
2307	$self->clear;
2308		2486
2309	$self->unlink_save;	2487	$self->unlink_save;
2310	$self->destroy;	2488	$self->destroy;
2311	}	2489	}
2312		2490
…		…
2320		2498
2321	delete $cf::MAP{$self->path};	2499	delete $cf::MAP{$self->path};
2322		2500
2323	$self->unlink_save;	2501	$self->unlink_save;
2324		2502
2325	bless $self, "cf::map";	2503	bless $self, "cf::map::wrap";
2326	delete $self->{deny_reset};	2504	delete $self->{deny_reset};
2327	$self->{deny_save} = 1;	2505	$self->{deny_save} = 1;
2328	$self->reset_timeout (1);	2506	$self->reset_timeout (1);
2329	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2507	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2330		2508
…		…
2387	: normalise $_	2565	: normalise $_
2388	} @{ aio_readdir $UNIQUEDIR or [] }	2566	} @{ aio_readdir $UNIQUEDIR or [] }
2389	]	2567	]
2390	}	2568	}
2391		2569
		2570	=item cf::map::static_maps
		2571
		2572	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2573	file in the shared directory excluding F</styles> and F</editor>). May
		2574	block.
		2575
		2576	=cut
		2577
		2578	sub static_maps() {
		2579	my @dirs = "";
		2580	my @maps;
		2581
		2582	while (@dirs) {
		2583	my $dir = shift @dirs;
		2584
		2585	next if $dir eq "/styles" || $dir eq "/editor";
		2586
		2587	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2588	or return;
		2589
		2590	for (@$files) {
		2591	s/\.map$// or next;
		2592	utf8::decode $_;
		2593	push @maps, "$dir/$_";
		2594	}
		2595
		2596	push @dirs, map "$dir/$_", @$dirs;
		2597	}
		2598
		2599	\@maps
		2600	}
		2601
2392	=back	2602	=back
2393		2603
2394	=head3 cf::object	2604	=head3 cf::object
2395		2605
2396	=cut	2606	=cut
…		…
2457	can be C<undef>. Does the right thing when the player is currently in a	2667	can be C<undef>. Does the right thing when the player is currently in a
2458	dialogue with the given NPC character.	2668	dialogue with the given NPC character.
2459		2669
2460	=cut	2670	=cut
2461		2671
		2672	our $SAY_CHANNEL = {
		2673	id => "say",
		2674	title => "Map",
		2675	reply => "say ",
		2676	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2677	};
		2678
		2679	our $CHAT_CHANNEL = {
		2680	id => "chat",
		2681	title => "Chat",
		2682	reply => "chat ",
		2683	tooltip => "Player chat and shouts, global to the server.",
		2684	};
		2685
2462	# rough implementation of a future "reply" method that works	2686	# rough implementation of a future "reply" method that works
2463	# with dialog boxes.	2687	# with dialog boxes.
2464	#TODO: the first argument must go, split into a $npc->reply_to ( method	2688	#TODO: the first argument must go, split into a $npc->reply_to ( method
2465	sub cf::object::player::reply($$$;$) {	2689	sub cf::object::player::reply($$$;$) {
2466	my ($self, $npc, $msg, $flags) = @_;	2690	my ($self, $npc, $msg, $flags) = @_;
…		…
2477	my $dialog = $pl->{npc_dialog};	2701	my $dialog = $pl->{npc_dialog};
2478	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2702	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2479		2703
2480	} else {	2704	} else {
2481	$msg = $npc->name . " says: $msg" if $npc;	2705	$msg = $npc->name . " says: $msg" if $npc;
2482	$self->message ($msg, $flags);	2706	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2483	}	2707	}
2484	}	2708	}
2485	}	2709	}
2486		2710
2487	=item $object->send_msg ($channel, $msg, $color, [extra...])	2711	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2512		2736
2513	=item $player_object->enter_link	2737	=item $player_object->enter_link
2514		2738
2515	Freezes the player and moves him/her to a special map (C<{link}>).	2739	Freezes the player and moves him/her to a special map (C<{link}>).
2516		2740
2517	The player should be reasonably safe there for short amounts of time. You	2741	The player should be reasonably safe there for short amounts of time (e.g.
2518	I<MUST> call C<leave_link> as soon as possible, though.	2742	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2743	though, as the player cannot control the character while it is on the link
		2744	map.
2519		2745
2520	Will never block.	2746	Will never block.
2521		2747
2522	=item $player_object->leave_link ($map, $x, $y)	2748	=item $player_object->leave_link ($map, $x, $y)
2523		2749
…		…
2543	sub cf::object::player::enter_link {	2769	sub cf::object::player::enter_link {
2544	my ($self) = @_;	2770	my ($self) = @_;
2545		2771
2546	$self->deactivate_recursive;	2772	$self->deactivate_recursive;
2547		2773
		2774	++$self->{_link_recursion};
		2775
2548	return if UNIVERSAL::isa $self->map, "ext::map_link";	2776	return if UNIVERSAL::isa $self->map, "ext::map_link";
2549		2777
2550	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2551	if $self->map && $self->map->{path} ne "{link}";	2779	if $self->map && $self->map->{path} ne "{link}";
2552		2780
2553	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2781	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2554	}	2782	}
2555		2783
2556	sub cf::object::player::leave_link {	2784	sub cf::object::player::leave_link {
2557	my ($self, $map, $x, $y) = @_;	2785	my ($self, $map, $x, $y) = @_;
2558		2786
…		…
2575	($x, $y) = (-1, -1)	2803	($x, $y) = (-1, -1)
2576	unless (defined $x) && (defined $y);	2804	unless (defined $x) && (defined $y);
2577		2805
2578	# use -1 or undef as default coordinates, not 0, 0	2806	# use -1 or undef as default coordinates, not 0, 0
2579	($x, $y) = ($map->enter_x, $map->enter_y)	2807	($x, $y) = ($map->enter_x, $map->enter_y)
2580	if $x <=0 && $y <= 0;	2808	if $x <= 0 && $y <= 0;
2581		2809
2582	$map->load;	2810	$map->load;
2583	$map->load_neighbours;
2584		2811
2585	return unless $self->contr->active;	2812	return unless $self->contr->active;
2586	$self->activate_recursive;
2587		2813
2588	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2814	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2589	$self->enter_map ($map, $x, $y);	2815	if ($self->enter_map ($map, $x, $y)) {
2590	}	2816	# entering was successful
		2817	delete $self->{_link_recursion};
		2818	# only activate afterwards, to support waiting in hooks
		2819	$self->activate_recursive;
		2820	}
2591		2821
		2822	}
		2823
2592	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2824	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2593		2825
2594	Moves the player to the given map-path and coordinates by first freezing	2826	Moves the player to the given map-path and coordinates by first freezing
2595	her, loading and preparing them map, calling the provided $check callback	2827	her, loading and preparing them map, calling the provided $check callback
2596	that has to return the map if sucecssful, and then unfreezes the player on	2828	that has to return the map if sucecssful, and then unfreezes the player on
2597	the new (success) or old (failed) map position. In either case, $done will	2829	the new (success) or old (failed) map position. In either case, $done will
2598	be called at the end of this process.	2830	be called at the end of this process.
2599		2831
		2832	Note that $check will be called with a potentially non-loaded map, so if
		2833	it needs a loaded map it has to call C<< ->load >>.
		2834
2600	=cut	2835	=cut
2601		2836
2602	our $GOTOGEN;	2837	our $GOTOGEN;
2603		2838
2604	sub cf::object::player::goto {	2839	sub cf::object::player::goto {
2605	my ($self, $path, $x, $y, $check, $done) = @_;	2840	my ($self, $path, $x, $y, $check, $done) = @_;
		2841
		2842	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2843	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2844	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2845	($path, $x, $y) = @$EMERGENCY_POSITION;
		2846	}
2606		2847
2607	# do generation counting so two concurrent goto's will be executed in-order	2848	# do generation counting so two concurrent goto's will be executed in-order
2608	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2849	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2609		2850
2610	$self->enter_link;	2851	$self->enter_link;
…		…
2630	($path, $x, $y) = (undef, undef, undef);	2871	($path, $x, $y) = (undef, undef, undef);
2631	}	2872	}
2632	}	2873	}
2633		2874
2634	my $map = eval {	2875	my $map = eval {
2635	my $map = defined $path ? cf::map::find $path : undef;	2876	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2636		2877
2637	if ($map) {	2878	if ($map) {
2638	$map = $map->customise_for ($self);	2879	$map = $map->customise_for ($self);
2639	$map = $check->($map) if $check && $map;	2880	$map = $check->($map, $x, $y, $self) if $check && $map;
2640	} else {	2881	} else {
2641	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2882	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2642	}	2883	}
2643		2884
2644	$map	2885	$map
…		…
2652	if ($gen == $self->{_goto_generation}) {	2893	if ($gen == $self->{_goto_generation}) {
2653	delete $self->{_goto_generation};	2894	delete $self->{_goto_generation};
2654	$self->leave_link ($map, $x, $y);	2895	$self->leave_link ($map, $x, $y);
2655	}	2896	}
2656		2897
2657	$done->() if $done;	2898	$done->($self) if $done;
2658	})->prio (1);	2899	})->prio (1);
2659	}	2900	}
2660		2901
2661	=item $player_object->enter_exit ($exit_object)	2902	=item $player_object->enter_exit ($exit_object)
2662		2903
…		…
2682	}	2923	}
2683		2924
2684	sub prepare_random_map {	2925	sub prepare_random_map {
2685	my ($exit) = @_;	2926	my ($exit) = @_;
2686		2927
2687	my $guard = cf::lock_acquire "exit_prepare:$exit";
2688
2689	# all this does is basically replace the /! path by	2928	# all this does is basically replace the /! path by
2690	# a new random map path (?random/...) with a seed	2929	# a new random map path (?random/...) with a seed
2691	# that depends on the exit object	2930	# that depends on the exit object
2692		2931
2693	my $rmp = parse_random_map_params $exit->msg;	2932	my $rmp = parse_random_map_params $exit->msg;
…		…
2695	if ($exit->map) {	2934	if ($exit->map) {
2696	$rmp->{region} = $exit->region->name;	2935	$rmp->{region} = $exit->region->name;
2697	$rmp->{origin_map} = $exit->map->path;	2936	$rmp->{origin_map} = $exit->map->path;
2698	$rmp->{origin_x} = $exit->x;	2937	$rmp->{origin_x} = $exit->x;
2699	$rmp->{origin_y} = $exit->y;	2938	$rmp->{origin_y} = $exit->y;
		2939
		2940	$exit->map->touch;
2700	}	2941	}
2701		2942
2702	$rmp->{random_seed} ||= $exit->random_seed;	2943	$rmp->{random_seed} ||= $exit->random_seed;
2703		2944
2704	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);	2945	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
…		…
2708	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2949	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2709	aio_write $fh, 0, (length $data), $data, 0;	2950	aio_write $fh, 0, (length $data), $data, 0;
2710	undef $fh;	2951	undef $fh;
2711	aio_rename "$meta~", $meta;	2952	aio_rename "$meta~", $meta;
2712		2953
		2954	my $slaying = "?random/$md5";
		2955
		2956	if ($exit->valid) {
2713	$exit->slaying ("?random/$md5");	2957	$exit->slaying ("?random/$md5");
2714	$exit->msg (undef);	2958	$exit->msg (undef);
		2959	}
2715	}	2960	}
2716	}	2961	}
2717		2962
2718	sub cf::object::player::enter_exit {	2963	sub cf::object::player::enter_exit {
2719	my ($self, $exit) = @_;	2964	my ($self, $exit) = @_;
2720		2965
2721	return unless $self->type == cf::PLAYER;	2966	return unless $self->type == cf::PLAYER;
2722		2967
2723	if ($exit->slaying eq "/!") {
2724	#TODO: this should de-fi-ni-te-ly not be a sync-job
2725	# the problem is that $exit might not survive long enough
2726	# so it needs to be done right now, right here
2727	cf::sync_job { prepare_random_map $exit };
2728	}
2729
2730	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2731	my $hp = $exit->stats->hp;
2732	my $sp = $exit->stats->sp;
2733
2734	$self->enter_link;	2968	$self->enter_link;
2735		2969
2736	# if exit is damned, update players death & WoR home-position
2737	$self->contr->savebed ($slaying, $hp, $sp)
2738	if $exit->flag (FLAG_DAMNED);
2739
2740	(async {	2970	(async {
2741	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2971	$Coro::current->{desc} = "enter_exit";
2742		2972
2743	$self->deactivate_recursive; # just to be sure
2744	unless (eval {	2973	unless (eval {
		2974	$self->deactivate_recursive; # just to be sure
		2975
		2976	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2977	my $x = $exit->stats->hp;
		2978	my $y = $exit->stats->sp;
		2979
		2980	# special map handling
		2981	my $slaying = $exit->slaying;
		2982
		2983	# special map handling
		2984	if ($slaying eq "/!") {
		2985	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2986
		2987	prepare_random_map $exit
		2988	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2989
		2990	$map = $exit->slaying;
		2991
		2992	} elsif ($slaying eq '!up') {
		2993	$map = $exit->map->tile_path (cf::TILE_UP);
		2994	$x = $exit->x;
		2995	$y = $exit->y;
		2996
		2997	} elsif ($slaying eq '!down') {
		2998	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2999	$x = $exit->x;
		3000	$y = $exit->y;
		3001	}
		3002
2745	$self->goto ($slaying, $hp, $sp);	3003	$self->goto ($map, $x, $y);
2746		3004
		3005	# if exit is damned, update players death & WoR home-position
		3006	$self->contr->savebed ($map, $x, $y)
		3007	if $exit->flag (cf::FLAG_DAMNED);
		3008
2747	1;	3009	1
2748	}) {	3010	}) {
2749	$self->message ("Something went wrong deep within the crossfire server. "	3011	$self->message ("Something went wrong deep within the deliantra server. "
2750	. "I'll try to bring you back to the map you were before. "	3012	. "I'll try to bring you back to the map you were before. "
2751	. "Please report this to the dungeon master!",	3013	. "Please report this to the dungeon master!",
2752	cf::NDI_UNIQUE | cf::NDI_RED);	3014	cf::NDI_UNIQUE | cf::NDI_RED);
2753		3015
2754	warn "ERROR in enter_exit: $@";	3016	error "ERROR in enter_exit: $@";
2755	$self->leave_link;	3017	$self->leave_link;
2756	}	3018	}
2757	})->prio (1);	3019	})->prio (1);
2758	}	3020	}
2759		3021
…		…
2771	sub cf::client::send_drawinfo {	3033	sub cf::client::send_drawinfo {
2772	my ($self, $text, $flags) = @_;	3034	my ($self, $text, $flags) = @_;
2773		3035
2774	utf8::encode $text;	3036	utf8::encode $text;
2775	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3037	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3038	}
		3039
		3040	=item $client->send_big_packet ($pkt)
		3041
		3042	Like C<send_packet>, but tries to compress large packets, and fragments
		3043	them as required.
		3044
		3045	=cut
		3046
		3047	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3048
		3049	sub cf::client::send_big_packet {
		3050	my ($self, $pkt) = @_;
		3051
		3052	# try lzf for large packets
		3053	$pkt = "lzf " . Compress::LZF::compress $pkt
		3054	if 1024 <= length $pkt and $self->{can_lzf};
		3055
		3056	# split very large packets
		3057	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3058	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3059	$pkt = "frag";
		3060	}
		3061
		3062	$self->send_packet ($pkt);
2776	}	3063	}
2777		3064
2778	=item $client->send_msg ($channel, $msg, $color, [extra...])	3065	=item $client->send_msg ($channel, $msg, $color, [extra...])
2779		3066
2780	Send a drawinfo or msg packet to the client, formatting the msg for the	3067	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2784		3071
2785	=cut	3072	=cut
2786		3073
2787	# non-persistent channels (usually the info channel)	3074	# non-persistent channels (usually the info channel)
2788	our %CHANNEL = (	3075	our %CHANNEL = (
		3076	"c/motd" => {
		3077	id => "infobox",
		3078	title => "MOTD",
		3079	reply => undef,
		3080	tooltip => "The message of the day",
		3081	},
2789	"c/identify" => {	3082	"c/identify" => {
2790	id => "infobox",	3083	id => "infobox",
2791	title => "Identify",	3084	title => "Identify",
2792	reply => undef,	3085	reply => undef,
2793	tooltip => "Items recently identified",	3086	tooltip => "Items recently identified",
…		…
2795	"c/examine" => {	3088	"c/examine" => {
2796	id => "infobox",	3089	id => "infobox",
2797	title => "Examine",	3090	title => "Examine",
2798	reply => undef,	3091	reply => undef,
2799	tooltip => "Signs and other items you examined",	3092	tooltip => "Signs and other items you examined",
		3093	},
		3094	"c/shopinfo" => {
		3095	id => "infobox",
		3096	title => "Shop Info",
		3097	reply => undef,
		3098	tooltip => "What your bargaining skill tells you about the shop",
2800	},	3099	},
2801	"c/book" => {	3100	"c/book" => {
2802	id => "infobox",	3101	id => "infobox",
2803	title => "Book",	3102	title => "Book",
2804	reply => undef,	3103	reply => undef,
…		…
2820	id => "infobox",	3119	id => "infobox",
2821	title => "Body Parts",	3120	title => "Body Parts",
2822	reply => undef,	3121	reply => undef,
2823	tooltip => "Shows which body parts you posess and are available",	3122	tooltip => "Shows which body parts you posess and are available",
2824	},	3123	},
		3124	"c/statistics" => {
		3125	id => "infobox",
		3126	title => "Statistics",
		3127	reply => undef,
		3128	tooltip => "Shows your primary statistics",
		3129	},
		3130	"c/skills" => {
		3131	id => "infobox",
		3132	title => "Skills",
		3133	reply => undef,
		3134	tooltip => "Shows your experience per skill and item power",
		3135	},
		3136	"c/shopitems" => {
		3137	id => "infobox",
		3138	title => "Shop Items",
		3139	reply => undef,
		3140	tooltip => "Shows the items currently for sale in this shop",
		3141	},
		3142	"c/resistances" => {
		3143	id => "infobox",
		3144	title => "Resistances",
		3145	reply => undef,
		3146	tooltip => "Shows your resistances",
		3147	},
		3148	"c/pets" => {
		3149	id => "infobox",
		3150	title => "Pets",
		3151	reply => undef,
		3152	tooltip => "Shows information abotu your pets/a specific pet",
		3153	},
		3154	"c/perceiveself" => {
		3155	id => "infobox",
		3156	title => "Perceive Self",
		3157	reply => undef,
		3158	tooltip => "You gained detailed knowledge about yourself",
		3159	},
2825	"c/uptime" => {	3160	"c/uptime" => {
2826	id => "infobox",	3161	id => "infobox",
2827	title => "Uptime",	3162	title => "Uptime",
2828	reply => undef,	3163	reply => undef,
2829	tooltip => "How long the server has been running since last restart",	3164	tooltip => "How long the server has been running since last restart",
…		…
2838	id => "party",	3173	id => "party",
2839	title => "Party",	3174	title => "Party",
2840	reply => "gsay ",	3175	reply => "gsay ",
2841	tooltip => "Messages and chat related to your party",	3176	tooltip => "Messages and chat related to your party",
2842	},	3177	},
		3178	"c/death" => {
		3179	id => "death",
		3180	title => "Death",
		3181	reply => undef,
		3182	tooltip => "Reason for and more info about your most recent death",
		3183	},
		3184	"c/say" => $SAY_CHANNEL,
		3185	"c/chat" => $CHAT_CHANNEL,
2843	);	3186	);
2844		3187
2845	sub cf::client::send_msg {	3188	sub cf::client::send_msg {
2846	my ($self, $channel, $msg, $color, @extra) = @_;	3189	my ($self, $channel, $msg, $color, @extra) = @_;
2847		3190
2848	$msg = $self->pl->expand_cfpod ($msg);	3191	$msg = $self->pl->expand_cfpod ($msg)
		3192	unless $color & cf::NDI_VERBATIM;
2849		3193
2850	$color &= cf::NDI_CLIENT_MASK; # just in case...	3194	$color &= cf::NDI_CLIENT_MASK; # just in case...
2851		3195
2852	# check predefined channels, for the benefit of C	3196	# check predefined channels, for the benefit of C
2853	if ($CHANNEL{$channel}) {	3197	if ($CHANNEL{$channel}) {
2854	$channel = $CHANNEL{$channel};	3198	$channel = $CHANNEL{$channel};
2855		3199
2856	$self->ext_msg (channel_info => $channel)	3200	$self->ext_msg (channel_info => $channel);
2857	if $self->can_msg;
2858
2859	$channel = $channel->{id};	3201	$channel = $channel->{id};
2860		3202
2861	} elsif (ref $channel) {	3203	} elsif (ref $channel) {
2862	# send meta info to client, if not yet sent	3204	# send meta info to client, if not yet sent
2863	unless (exists $self->{channel}{$channel->{id}}) {	3205	unless (exists $self->{channel}{$channel->{id}}) {
2864	$self->{channel}{$channel->{id}} = $channel;	3206	$self->{channel}{$channel->{id}} = $channel;
2865	$self->ext_msg (channel_info => $channel)	3207	$self->ext_msg (channel_info => $channel);
2866	if $self->can_msg;
2867	}	3208	}
2868		3209
2869	$channel = $channel->{id};	3210	$channel = $channel->{id};
2870	}	3211	}
2871		3212
2872	return unless @extra || length $msg;	3213	return unless @extra || length $msg;
2873		3214
2874	if ($self->can_msg) {
2875	# default colour, mask it out	3215	# default colour, mask it out
2876	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3216	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2877	if $color & cf::NDI_DEF;	3217	if $color & cf::NDI_DEF;
2878		3218
2879	$self->send_packet ("msg " . $self->{json_coder}->encode (	3219	my $pkt = "msg "
		3220	. $self->{json_coder}->encode (
2880	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3221	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2881	} else {	3222	);
2882	if ($color >= 0) {
2883	# replace some tags by gcfclient-compatible ones
2884	for ($msg) {
2885	1 while
2886	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2887	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2888	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2889	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2890	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2891	}
2892		3223
2893	$color &= cf::NDI_COLOR_MASK;	3224	$self->send_big_packet ($pkt);
2894
2895	utf8::encode $msg;
2896
2897	if (0 && $msg =~ /\[/) {
2898	# COMMAND/INFO
2899	$self->send_packet ("drawextinfo $color 10 8 $msg")
2900	} else {
2901	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2902	$self->send_packet ("drawinfo $color $msg")
2903	}
2904	}
2905	}
2906	}	3225	}
2907		3226
2908	=item $client->ext_msg ($type, @msg)	3227	=item $client->ext_msg ($type, @msg)
2909		3228
2910	Sends an ext event to the client.	3229	Sends an ext event to the client.
…		…
2913		3232
2914	sub cf::client::ext_msg($$@) {	3233	sub cf::client::ext_msg($$@) {
2915	my ($self, $type, @msg) = @_;	3234	my ($self, $type, @msg) = @_;
2916		3235
2917	if ($self->extcmd == 2) {	3236	if ($self->extcmd == 2) {
2918	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3237	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2919	} elsif ($self->extcmd == 1) { # TODO: remove	3238	} elsif ($self->extcmd == 1) { # TODO: remove
2920	push @msg, msgtype => "event_$type";	3239	push @msg, msgtype => "event_$type";
2921	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3240	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2922	}	3241	}
2923	}	3242	}
2924		3243
2925	=item $client->ext_reply ($msgid, @msg)	3244	=item $client->ext_reply ($msgid, @msg)
2926		3245
…		…
2929	=cut	3248	=cut
2930		3249
2931	sub cf::client::ext_reply($$@) {	3250	sub cf::client::ext_reply($$@) {
2932	my ($self, $id, @msg) = @_;	3251	my ($self, $id, @msg) = @_;
2933		3252
2934	if ($self->extcmd == 2) {	3253	return unless $self->extcmd == 2;
		3254
2935	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3255	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2936	} elsif ($self->extcmd == 1) {
2937	#TODO: version 1, remove
2938	unshift @msg, msgtype => "reply", msgid => $id;
2939	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2940	}
2941	}	3256	}
2942		3257
2943	=item $success = $client->query ($flags, "text", \&cb)	3258	=item $success = $client->query ($flags, "text", \&cb)
2944		3259
2945	Queues a query to the client, calling the given callback with	3260	Queues a query to the client, calling the given callback with
…		…
3000	my ($ns, $buf) = @_;	3315	my ($ns, $buf) = @_;
3001		3316
3002	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3317	my $msg = eval { $ns->{json_coder}->decode ($buf) };
3003		3318
3004	if (ref $msg) {	3319	if (ref $msg) {
3005	my ($type, $reply, @payload) =	3320	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
3006	"ARRAY" eq ref $msg
3007	? @$msg
3008	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3009		3321
3010	my @reply;	3322	my @reply;
3011		3323
3012	if (my $cb = $EXTICMD{$type}) {	3324	if (my $cb = $EXTICMD{$type}) {
3013	@reply = $cb->($ns, @payload);	3325	@reply = $cb->($ns, @payload);
…		…
3015		3327
3016	$ns->ext_reply ($reply, @reply)	3328	$ns->ext_reply ($reply, @reply)
3017	if $reply;	3329	if $reply;
3018		3330
3019	} else {	3331	} else {
3020	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3332	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3021	}	3333	}
3022		3334
3023	cf::override;	3335	cf::override;
3024	},	3336	},
3025	);	3337	);
…		…
3045		3357
3046	$coro	3358	$coro
3047	}	3359	}
3048		3360
3049	cf::client->attach (	3361	cf::client->attach (
3050	on_destroy => sub {	3362	on_client_destroy => sub {
3051	my ($ns) = @_;	3363	my ($ns) = @_;
3052		3364
3053	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3365	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3054	},	3366	},
3055	);	3367	);
…		…
3071	our $safe_hole = new Safe::Hole;	3383	our $safe_hole = new Safe::Hole;
3072		3384
3073	$SIG{FPE} = 'IGNORE';	3385	$SIG{FPE} = 'IGNORE';
3074		3386
3075	$safe->permit_only (Opcode::opset qw(	3387	$safe->permit_only (Opcode::opset qw(
3076	:base_core :base_mem :base_orig :base_math	3388	:base_core :base_mem :base_orig :base_math :base_loop
3077	grepstart grepwhile mapstart mapwhile	3389	grepstart grepwhile mapstart mapwhile
3078	sort time	3390	sort time
3079	));	3391	));
3080		3392
3081	# here we export the classes and methods available to script code	3393	# here we export the classes and methods available to script code
…		…
3085	The following functions and methods are available within a safe environment:	3397	The following functions and methods are available within a safe environment:
3086		3398
3087	cf::object	3399	cf::object
3088	contr pay_amount pay_player map x y force_find force_add destroy	3400	contr pay_amount pay_player map x y force_find force_add destroy
3089	insert remove name archname title slaying race decrease split	3401	insert remove name archname title slaying race decrease split
		3402	value
3090		3403
3091	cf::object::player	3404	cf::object::player
3092	player	3405	player
3093		3406
3094	cf::player	3407	cf::player
…		…
3099		3412
3100	=cut	3413	=cut
3101		3414
3102	for (	3415	for (
3103	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3416	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3104	insert remove inv name archname title slaying race	3417	insert remove inv nrof name archname title slaying race
3105	decrease split destroy)],	3418	decrease split destroy change_exp value msg lore send_msg)],
3106	["cf::object::player" => qw(player)],	3419	["cf::object::player" => qw(player)],
3107	["cf::player" => qw(peaceful)],	3420	["cf::player" => qw(peaceful send_msg)],
3108	["cf::map" => qw(trigger)],	3421	["cf::map" => qw(trigger)],
3109	) {	3422	) {
3110	no strict 'refs';
3111	my ($pkg, @funs) = @$_;	3423	my ($pkg, @funs) = @$_;
3112	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3424	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3113	for @funs;	3425	for @funs;
3114	}	3426	}
3115		3427
…		…
3130		3442
3131	my $qcode = $code;	3443	my $qcode = $code;
3132	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3444	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3133	$qcode =~ s/\n/\\n/g;	3445	$qcode =~ s/\n/\\n/g;
3134		3446
		3447	%vars = (_dummy => 0) unless %vars;
		3448
		3449	my @res;
3135	local $_;	3450	local $_;
3136	local @safe::cf::_safe_eval_args = values %vars;
3137		3451
3138	my $eval =	3452	my $eval =
3139	"do {\n"	3453	"do {\n"
3140	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3454	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3141	. "#line 0 \"{$qcode}\"\n"	3455	. "#line 0 \"{$qcode}\"\n"
3142	. $code	3456	. $code
3143	. "\n}"	3457	. "\n}"
3144	;	3458	;
3145		3459
		3460	if ($CFG{safe_eval}) {
3146	sub_generation_inc;	3461	sub_generation_inc;
		3462	local @safe::cf::_safe_eval_args = values %vars;
3147	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3463	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3148	sub_generation_inc;	3464	sub_generation_inc;
		3465	} else {
		3466	local @cf::_safe_eval_args = values %vars;
		3467	@res = wantarray ? eval eval : scalar eval $eval;
		3468	}
3149		3469
3150	if ($@) {	3470	if ($@) {
3151	warn "$@";	3471	warn "$@",
3152	warn "while executing safe code '$code'\n";	3472	"while executing safe code '$code'\n",
3153	warn "with arguments " . (join " ", %vars) . "\n";	3473	"with arguments " . (join " ", %vars) . "\n";
3154	}	3474	}
3155		3475
3156	wantarray ? @res : $res[0]	3476	wantarray ? @res : $res[0]
3157	}	3477	}
3158		3478
…		…
3172	=cut	3492	=cut
3173		3493
3174	sub register_script_function {	3494	sub register_script_function {
3175	my ($fun, $cb) = @_;	3495	my ($fun, $cb) = @_;
3176		3496
3177	no strict 'refs';	3497	$fun = "safe::$fun" if $CFG{safe_eval};
3178	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3498	*$fun = $safe_hole->wrap ($cb);
3179	}	3499	}
3180		3500
3181	=back	3501	=back
3182		3502
3183	=cut	3503	=cut
3184		3504
3185	#############################################################################	3505	#############################################################################
3186	# the server's init and main functions	3506	# the server's init and main functions
		3507
		3508	our %FACEHASH; # hash => idx, #d# HACK for http server
3187		3509
3188	sub load_facedata($) {	3510	sub load_facedata($) {
3189	my ($path) = @_;	3511	my ($path) = @_;
3190		3512
3191	# HACK to clear player env face cache, we need some signal framework	3513	# HACK to clear player env face cache, we need some signal framework
3192	# for this (global event?)	3514	# for this (global event?)
3193	%ext::player_env::MUSIC_FACE_CACHE = ();	3515	%ext::player_env::MUSIC_FACE_CACHE = ();
3194		3516
3195	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3517	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3196		3518
3197	warn "loading facedata from $path\n";	3519	trace "loading facedata from $path\n";
3198		3520
3199	my $facedata;	3521	my $facedata = decode_storable load_file $path;
3200	0 < aio_load $path, $facedata
3201	or die "$path: $!";
3202
3203	$facedata = Coro::Storable::thaw $facedata;
3204		3522
3205	$facedata->{version} == 2	3523	$facedata->{version} == 2
3206	or cf::cleanup "$path: version mismatch, cannot proceed.";	3524	or cf::cleanup "$path: version mismatch, cannot proceed.";
3207		3525
3208	# patch in the exptable	3526	# patch in the exptable
		3527	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3209	$facedata->{resource}{"res/exp_table"} = {	3528	$facedata->{resource}{"res/exp_table"} = {
3210	type => FT_RSRC,	3529	type => FT_RSRC,
3211	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3530	data => $exp_table,
		3531	hash => (Digest::MD5::md5 $exp_table),
3212	};	3532	};
3213	cf::cede_to_tick;	3533	cf::cede_to_tick;
3214		3534
3215	{	3535	{
3216	my $faces = $facedata->{faceinfo};	3536	my $faces = $facedata->{faceinfo};
3217		3537
3218	while (my ($face, $info) = each %$faces) {	3538	for my $face (sort keys %$faces) {
		3539	my $info = $faces->{$face};
3219	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3540	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3220		3541
3221	cf::face::set_visibility $idx, $info->{visibility};	3542	cf::face::set_visibility $idx, $info->{visibility};
3222	cf::face::set_magicmap $idx, $info->{magicmap};	3543	cf::face::set_magicmap $idx, $info->{magicmap};
3223	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3544	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3224	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3545	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3546	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3547	$FACEHASH{$info->{hash64}} = $idx;#d#
3225		3548
3226	cf::cede_to_tick;	3549	cf::cede_to_tick;
3227	}	3550	}
3228		3551
3229	while (my ($face, $info) = each %$faces) {	3552	while (my ($face, $info) = each %$faces) {
…		…
3234		3557
3235	if (my $smooth = cf::face::find $info->{smooth}) {	3558	if (my $smooth = cf::face::find $info->{smooth}) {
3236	cf::face::set_smooth $idx, $smooth;	3559	cf::face::set_smooth $idx, $smooth;
3237	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3560	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3238	} else {	3561	} else {
3239	warn "smooth face '$info->{smooth}' not found for face '$face'";	3562	error "smooth face '$info->{smooth}' not found for face '$face'";
3240	}	3563	}
3241		3564
3242	cf::cede_to_tick;	3565	cf::cede_to_tick;
3243	}	3566	}
3244	}	3567	}
…		…
3253		3576
3254	cf::anim::invalidate_all; # d'oh	3577	cf::anim::invalidate_all; # d'oh
3255	}	3578	}
3256		3579
3257	{	3580	{
3258	# TODO: for gcfclient pleasure, we should give resources
3259	# that gcfclient doesn't grok a >10000 face index.
3260	my $res = $facedata->{resource};	3581	my $res = $facedata->{resource};
3261		3582
3262	while (my ($name, $info) = each %$res) {	3583	while (my ($name, $info) = each %$res) {
3263	if (defined $info->{type}) {	3584	if (defined (my $type = $info->{type})) {
		3585	# TODO: different hash - must free and use new index, or cache ixface data queue
3264	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3586	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3265	my $data;
3266		3587
3267	if ($info->{type} & 1) {	3588	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3268	# prepend meta info
3269
3270	my $meta = $enc->encode ({
3271	name => $name,
3272	%{ $info->{meta} || {} },
3273	});
3274
3275	$data = pack "(w/a*)*", $meta, $info->{data};
3276	} else {
3277	$data = $info->{data};
3278	}
3279
3280	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3281	cf::face::set_type $idx, $info->{type};	3589	cf::face::set_type $idx, $type;
		3590	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3591	$FACEHASH{$info->{hash}} = $idx;#d#
3282	} else {	3592	} else {
3283	$RESOURCE{$name} = $info;	3593	# $RESOURCE{$name} = $info; # unused
3284	}	3594	}
3285		3595
3286	cf::cede_to_tick;	3596	cf::cede_to_tick;
3287	}	3597	}
3288	}	3598	}
3289		3599
3290	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3600	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3291		3601
3292	1	3602	1
3293	}	3603	}
3294
3295	cf::global->attach (on_resource_update => sub {
3296	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3297	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3298
3299	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3300	my $sound = $soundconf->{compat}[$_]
3301	or next;
3302
3303	my $face = cf::face::find "sound/$sound->[1]";
3304	cf::sound::set $sound->[0] => $face;
3305	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3306	}
3307
3308	while (my ($k, $v) = each %{$soundconf->{event}}) {
3309	my $face = cf::face::find "sound/$v";
3310	cf::sound::set $k => $face;
3311	}
3312	}
3313	});
3314		3604
3315	register_exticmd fx_want => sub {	3605	register_exticmd fx_want => sub {
3316	my ($ns, $want) = @_;	3606	my ($ns, $want) = @_;
3317		3607
3318	while (my ($k, $v) = each %$want) {	3608	while (my ($k, $v) = each %$want) {
…		…
3357	sub reload_treasures {	3647	sub reload_treasures {
3358	load_resource_file "$DATADIR/treasures"	3648	load_resource_file "$DATADIR/treasures"
3359	or die "unable to load treasurelists\n";	3649	or die "unable to load treasurelists\n";
3360	}	3650	}
3361		3651
		3652	sub reload_sound {
		3653	trace "loading sound config from $DATADIR/sound\n";
		3654
		3655	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3656
		3657	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3658	my $sound = $soundconf->{compat}[$_]
		3659	or next;
		3660
		3661	my $face = cf::face::find "sound/$sound->[1]";
		3662	cf::sound::set $sound->[0] => $face;
		3663	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3664	}
		3665
		3666	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3667	my $face = cf::face::find "sound/$v";
		3668	cf::sound::set $k => $face;
		3669	}
		3670	}
		3671
3362	sub reload_resources {	3672	sub reload_resources {
3363	warn "reloading resource files...\n";	3673	trace "reloading resource files...\n";
3364		3674
		3675	reload_exp_table;
		3676	reload_materials;
3365	reload_facedata;	3677	reload_facedata;
		3678	reload_sound;
3366	reload_archetypes;	3679	reload_archetypes;
3367	reload_regions;	3680	reload_regions;
3368	reload_treasures;	3681	reload_treasures;
3369		3682
3370	warn "finished reloading resource files\n";	3683	trace "finished reloading resource files\n";
3371	}
3372
3373	sub init {
3374	my $guard = freeze_mainloop;
3375
3376	reload_resources;
3377	}	3684	}
3378		3685
3379	sub reload_config {	3686	sub reload_config {
3380	open my $fh, "<:utf8", "$CONFDIR/config"	3687	trace "reloading config file...\n";
3381	or return;
3382		3688
3383	local $/;	3689	my $config = load_file "$CONFDIR/config";
3384	*CFG = YAML::Load <$fh>;	3690	utf8::decode $config;
		3691	*CFG = decode_yaml $config;
3385		3692
3386	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3693	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3387		3694
3388	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3695	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3389	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3696	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3390		3697
3391	if (exists $CFG{mlockall}) {	3698	if (exists $CFG{mlockall}) {
…		…
3395	};	3702	};
3396	warn $@ if $@;	3703	warn $@ if $@;
3397	}	3704	}
3398	}	3705	}
3399		3706
		3707	sub pidfile() {
		3708	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3709	or die "$PIDFILE: $!";
		3710	flock $fh, &Fcntl::LOCK_EX
		3711	or die "$PIDFILE: flock: $!";
		3712	$fh
		3713	}
		3714
		3715	# make sure only one server instance is running at any one time
		3716	sub atomic {
		3717	my $fh = pidfile;
		3718
		3719	my $pid = <$fh>;
		3720	kill 9, $pid if $pid > 0;
		3721
		3722	seek $fh, 0, 0;
		3723	print $fh $$;
		3724	}
		3725
		3726	sub main_loop {
		3727	trace "EV::loop starting\n";
		3728	if (1) {
		3729	EV::loop;
		3730	}
		3731	trace "EV::loop returned\n";
		3732	goto &main_loop unless $REALLY_UNLOOP;
		3733	}
		3734
3400	sub main {	3735	sub main {
		3736	cf::init_globals; # initialise logging
		3737
		3738	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3739	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3740	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3741	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3742
		3743	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3744
3401	# we must not ever block the main coroutine	3745	# we must not ever block the main coroutine
3402	local $Coro::idle = sub {	3746	local $Coro::idle = sub {
3403	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3747	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3404	(async {	3748	(async {
3405	$Coro::current->{desc} = "IDLE BUG HANDLER";	3749	$Coro::current->{desc} = "IDLE BUG HANDLER";
3406	EV::loop EV::LOOP_ONESHOT;	3750	EV::loop EV::LOOP_ONESHOT;
3407	})->prio (Coro::PRIO_MAX);	3751	})->prio (Coro::PRIO_MAX);
3408	};	3752	};
3409		3753
3410	{	3754	evthread_start IO::AIO::poll_fileno;
3411	my $guard = freeze_mainloop;	3755
		3756	cf::sync_job {
		3757	cf::incloader::init ();
		3758
		3759	cf::init_anim;
		3760	cf::init_attackmess;
		3761	cf::init_dynamic;
		3762
		3763	cf::load_settings;
		3764
		3765	reload_resources;
3412	reload_config;	3766	reload_config;
3413	db_init;	3767	db_init;
		3768
		3769	cf::init_uuid;
		3770	cf::init_signals;
		3771	cf::init_skills;
		3772
		3773	cf::init_beforeplay;
		3774
		3775	atomic;
		3776
3414	load_extensions;	3777	load_extensions;
3415		3778
3416	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3779	utime time, time, $RUNTIMEFILE;
3417	evthread_start IO::AIO::poll_fileno;	3780
		3781	# no (long-running) fork's whatsoever before this point(!)
		3782	use POSIX ();
		3783	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3784
		3785	cf::_post_init 0;
3418	}	3786	};
3419		3787
3420	EV::loop;	3788	cf::object::thawer::errors_are_fatal 0;
		3789	info "parse errors in files are no longer fatal from this point on.\n";
		3790
		3791	AE::postpone {
		3792	undef &main; # free gobs of memory :)
		3793	};
		3794
		3795	goto &main_loop;
3421	}	3796	}
3422		3797
3423	#############################################################################	3798	#############################################################################
3424	# initialisation and cleanup	3799	# initialisation and cleanup
3425		3800
3426	# install some emergency cleanup handlers	3801	# install some emergency cleanup handlers
3427	BEGIN {	3802	BEGIN {
3428	our %SIGWATCHER = ();	3803	our %SIGWATCHER = ();
3429	for my $signal (qw(INT HUP TERM)) {	3804	for my $signal (qw(INT HUP TERM)) {
3430	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3805	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3431	cf::cleanup "SIG$signal";	3806	cf::cleanup "SIG$signal";
3432	};	3807	};
3433	}	3808	}
3434	}	3809	}
3435		3810
3436	sub write_runtime_sync {	3811	sub write_runtime_sync {
3437	my $runtime = "$LOCALDIR/runtime";	3812	my $t0 = AE::time;
3438		3813
3439	# first touch the runtime file to show we are still running:	3814	# first touch the runtime file to show we are still running:
3440	# the fsync below can take a very very long time.	3815	# the fsync below can take a very very long time.
3441		3816
3442	IO::AIO::aio_utime $runtime, undef, undef;	3817	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3443		3818
3444	my $guard = cf::lock_acquire "write_runtime";	3819	my $guard = cf::lock_acquire "write_runtime";
3445		3820
3446	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3821	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3447	or return;	3822	or return;
3448		3823
3449	my $value = $cf::RUNTIME + 90 + 10;	3824	my $value = $cf::RUNTIME + 90 + 10;
3450	# 10 is the runtime save interval, for a monotonic clock	3825	# 10 is the runtime save interval, for a monotonic clock
3451	# 60 allows for the watchdog to kill the server.	3826	# 60 allows for the watchdog to kill the server.
…		…
3461	aio_utime $fh, undef, undef;	3836	aio_utime $fh, undef, undef;
3462		3837
3463	close $fh	3838	close $fh
3464	or return;	3839	or return;
3465		3840
3466	aio_rename "$runtime~", $runtime	3841	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3467	and return;	3842	and return;
3468		3843
3469	warn "runtime file written.\n";	3844	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3470		3845
3471	1	3846	1
3472	}	3847	}
3473		3848
3474	our $uuid_lock;	3849	our $uuid_lock;
…		…
3483	my $uuid = "$LOCALDIR/uuid";	3858	my $uuid = "$LOCALDIR/uuid";
3484		3859
3485	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3860	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3486	or return;	3861	or return;
3487		3862
3488	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3863	my $value = uuid_seq uuid_cur;
		3864
		3865	unless ($value) {
		3866	info "cowardly refusing to write zero uuid value!\n";
		3867	return;
		3868	}
		3869
		3870	my $value = uuid_str $value + $uuid_skip;
3489	$uuid_skip = 0;	3871	$uuid_skip = 0;
3490		3872
3491	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3873	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3492	and return;	3874	and return;
3493		3875
…		…
3499	or return;	3881	or return;
3500		3882
3501	aio_rename "$uuid~", $uuid	3883	aio_rename "$uuid~", $uuid
3502	and return;	3884	and return;
3503		3885
3504	warn "uuid file written ($value).\n";	3886	trace "uuid file written ($value).\n";
3505		3887
3506	1	3888	1
3507		3889
3508	}	3890	}
3509		3891
…		…
3515	}	3897	}
3516		3898
3517	sub emergency_save() {	3899	sub emergency_save() {
3518	my $freeze_guard = cf::freeze_mainloop;	3900	my $freeze_guard = cf::freeze_mainloop;
3519		3901
3520	warn "enter emergency perl save\n";	3902	info "emergency_perl_save: enter\n";
		3903
		3904	# this is a trade-off: we want to be very quick here, so
		3905	# save all maps without fsync, and later call a global sync
		3906	# (which in turn might be very very slow)
		3907	local $USE_FSYNC = 0;
3521		3908
3522	cf::sync_job {	3909	cf::sync_job {
		3910	cf::write_runtime_sync; # external watchdog should not bark
		3911
3523	# use a peculiar iteration method to avoid tripping on perl	3912	# use a peculiar iteration method to avoid tripping on perl
3524	# refcount bugs in for. also avoids problems with players	3913	# refcount bugs in for. also avoids problems with players
3525	# and maps saved/destroyed asynchronously.	3914	# and maps saved/destroyed asynchronously.
3526	warn "begin emergency player save\n";	3915	info "emergency_perl_save: begin player save\n";
3527	for my $login (keys %cf::PLAYER) {	3916	for my $login (keys %cf::PLAYER) {
3528	my $pl = $cf::PLAYER{$login} or next;	3917	my $pl = $cf::PLAYER{$login} or next;
3529	$pl->valid or next;	3918	$pl->valid or next;
3530	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3919	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3531	$pl->save;	3920	$pl->save;
3532	}	3921	}
3533	warn "end emergency player save\n";	3922	info "emergency_perl_save: end player save\n";
3534		3923
3535	warn "begin emergency map save\n";	3924	cf::write_runtime_sync; # external watchdog should not bark
		3925
		3926	info "emergency_perl_save: begin map save\n";
3536	for my $path (keys %cf::MAP) {	3927	for my $path (keys %cf::MAP) {
3537	my $map = $cf::MAP{$path} or next;	3928	my $map = $cf::MAP{$path} or next;
3538	$map->valid or next;	3929	$map->valid or next;
3539	$map->save;	3930	$map->save;
3540	}	3931	}
3541	warn "end emergency map save\n";	3932	info "emergency_perl_save: end map save\n";
3542		3933
3543	warn "begin emergency database checkpoint\n";	3934	cf::write_runtime_sync; # external watchdog should not bark
		3935
		3936	info "emergency_perl_save: begin database checkpoint\n";
3544	BDB::db_env_txn_checkpoint $DB_ENV;	3937	BDB::db_env_txn_checkpoint $DB_ENV;
3545	warn "end emergency database checkpoint\n";	3938	info "emergency_perl_save: end database checkpoint\n";
3546		3939
3547	warn "begin write uuid\n";	3940	info "emergency_perl_save: begin write uuid\n";
3548	write_uuid_sync 1;	3941	write_uuid_sync 1;
3549	warn "end write uuid\n";	3942	info "emergency_perl_save: end write uuid\n";
		3943
		3944	cf::write_runtime_sync; # external watchdog should not bark
		3945
		3946	trace "emergency_perl_save: syncing database to disk";
		3947	BDB::db_env_txn_checkpoint $DB_ENV;
		3948
		3949	info "emergency_perl_save: starting sync\n";
		3950	IO::AIO::aio_sync sub {
		3951	info "emergency_perl_save: finished sync\n";
		3952	};
		3953
		3954	cf::write_runtime_sync; # external watchdog should not bark
		3955
		3956	trace "emergency_perl_save: flushing outstanding aio requests";
		3957	while (IO::AIO::nreqs || BDB::nreqs) {
		3958	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3959	}
		3960
		3961	cf::write_runtime_sync; # external watchdog should not bark
3550	};	3962	};
3551		3963
3552	warn "leave emergency perl save\n";	3964	info "emergency_perl_save: leave\n";
3553	}	3965	}
3554		3966
3555	sub post_cleanup {	3967	sub post_cleanup {
3556	my ($make_core) = @_;	3968	my ($make_core) = @_;
3557		3969
		3970	IO::AIO::flush;
		3971
3558	warn Carp::longmess "post_cleanup backtrace"	3972	error Carp::longmess "post_cleanup backtrace"
3559	if $make_core;	3973	if $make_core;
		3974
		3975	my $fh = pidfile;
		3976	unlink $PIDFILE if <$fh> == $$;
		3977	}
		3978
		3979	# a safer delete_package, copied from Symbol
		3980	sub clear_package($) {
		3981	my $pkg = shift;
		3982
		3983	# expand to full symbol table name if needed
		3984	unless ($pkg =~ /^main::.*::$/) {
		3985	$pkg = "main$pkg" if $pkg =~ /^::/;
		3986	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3987	$pkg .= '::' unless $pkg =~ /::$/;
		3988	}
		3989
		3990	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3991	my $stem_symtab = *{$stem}{HASH};
		3992
		3993	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3994	or return;
		3995
		3996	# clear all symbols
		3997	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3998	for my $name (keys %$leaf_symtab) {
		3999	_gv_clear *{"$pkg$name"};
		4000	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4001	}
3560	}	4002	}
3561		4003
3562	sub do_reload_perl() {	4004	sub do_reload_perl() {
3563	# can/must only be called in main	4005	# can/must only be called in main
3564	if ($Coro::current != $Coro::main) {	4006	unless (in_main) {
3565	warn "can only reload from main coroutine";	4007	error "can only reload from main coroutine";
3566	return;	4008	return;
3567	}	4009	}
3568		4010
3569	warn "reloading...";	4011	return if $RELOAD++;
3570		4012
3571	warn "entering sync_job";	4013	my $t1 = AE::time;
3572		4014
		4015	while ($RELOAD) {
		4016	cf::get_slot 0.1, -1, "reload_perl";
		4017	info "perl_reload: reloading...";
		4018
		4019	trace "perl_reload: entering sync_job";
		4020
3573	cf::sync_job {	4021	cf::sync_job {
3574	cf::write_runtime_sync; # external watchdog should not bark
3575	cf::emergency_save;	4022	#cf::emergency_save;
3576	cf::write_runtime_sync; # external watchdog should not bark
3577		4023
3578	warn "syncing database to disk";
3579	BDB::db_env_txn_checkpoint $DB_ENV;
3580
3581	# if anything goes wrong in here, we should simply crash as we already saved
3582
3583	warn "flushing outstanding aio requests";
3584	for (;;) {
3585	BDB::flush;
3586	IO::AIO::flush;
3587	Coro::cede_notself;
3588	last unless IO::AIO::nreqs || BDB::nreqs;
3589	warn "iterate...";
3590	}
3591
3592	++$RELOAD;
3593
3594	warn "cancelling all extension coros";	4024	trace "perl_reload: cancelling all extension coros";
3595	$_->cancel for values %EXT_CORO;	4025	$_->cancel for values %EXT_CORO;
3596	%EXT_CORO = ();	4026	%EXT_CORO = ();
3597		4027
3598	warn "removing commands";	4028	trace "perl_reload: removing commands";
3599	%COMMAND = ();	4029	%COMMAND = ();
3600		4030
3601	warn "removing ext/exti commands";	4031	trace "perl_reload: removing ext/exti commands";
3602	%EXTCMD = ();	4032	%EXTCMD = ();
3603	%EXTICMD = ();	4033	%EXTICMD = ();
3604		4034
3605	warn "unloading/nuking all extensions";	4035	trace "perl_reload: unloading/nuking all extensions";
3606	for my $pkg (@EXTS) {	4036	for my $pkg (@EXTS) {
3607	warn "... unloading $pkg";	4037	trace "... unloading $pkg";
3608		4038
3609	if (my $cb = $pkg->can ("unload")) {	4039	if (my $cb = $pkg->can ("unload")) {
3610	eval {	4040	eval {
3611	$cb->($pkg);	4041	$cb->($pkg);
3612	1	4042	1
3613	} or warn "$pkg unloaded, but with errors: $@";	4043	} or error "$pkg unloaded, but with errors: $@";
		4044	}
		4045
		4046	trace "... clearing $pkg";
		4047	clear_package $pkg;
3614	}	4048	}
3615		4049
3616	warn "... nuking $pkg";
3617	Symbol::delete_package $pkg;
3618	}
3619
3620	warn "unloading all perl modules loaded from $LIBDIR";	4050	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3621	while (my ($k, $v) = each %INC) {	4051	while (my ($k, $v) = each %INC) {
3622	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4052	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3623		4053
3624	warn "... unloading $k";	4054	trace "... unloading $k";
3625	delete $INC{$k};	4055	delete $INC{$k};
3626		4056
3627	$k =~ s/\.pm$//;	4057	$k =~ s/\.pm$//;
3628	$k =~ s/\//::/g;	4058	$k =~ s/\//::/g;
3629		4059
3630	if (my $cb = $k->can ("unload_module")) {	4060	if (my $cb = $k->can ("unload_module")) {
3631	$cb->();	4061	$cb->();
		4062	}
		4063
		4064	clear_package $k;
3632	}	4065	}
3633		4066
3634	Symbol::delete_package $k;
3635	}
3636
3637	warn "getting rid of safe::, as good as possible";	4067	trace "perl_reload: getting rid of safe::, as good as possible";
3638	Symbol::delete_package "safe::$_"	4068	clear_package "safe::$_"
3639	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4069	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3640		4070
3641	warn "unloading cf.pm \"a bit\"";	4071	trace "perl_reload: unloading cf.pm \"a bit\"";
3642	delete $INC{"cf.pm"};	4072	delete $INC{"cf.pm"};
3643	delete $INC{"cf/pod.pm"};	4073	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3644		4074
3645	# don't, removes xs symbols, too,	4075	# don't, removes xs symbols, too,
3646	# and global variables created in xs	4076	# and global variables created in xs
3647	#Symbol::delete_package __PACKAGE__;	4077	#clear_package __PACKAGE__;
3648		4078
3649	warn "unload completed, starting to reload now";	4079	info "perl_reload: unload completed, starting to reload now";
3650		4080
3651	warn "reloading cf.pm";	4081	trace "perl_reload: reloading cf.pm";
3652	require cf;	4082	require cf;
3653	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4083	cf::_connect_to_perl_1;
3654		4084
3655	warn "loading config and database again";	4085	trace "perl_reload: loading config and database again";
3656	cf::reload_config;	4086	cf::reload_config;
3657		4087
3658	warn "loading extensions";	4088	trace "perl_reload: loading extensions";
3659	cf::load_extensions;	4089	cf::load_extensions;
3660		4090
		4091	if ($REATTACH_ON_RELOAD) {
3661	warn "reattaching attachments to objects/players";	4092	trace "perl_reload: reattaching attachments to objects/players";
3662	_global_reattach; # objects, sockets	4093	_global_reattach; # objects, sockets
3663	warn "reattaching attachments to maps";	4094	trace "perl_reload: reattaching attachments to maps";
3664	reattach $_ for values %MAP;	4095	reattach $_ for values %MAP;
3665	warn "reattaching attachments to players";	4096	trace "perl_reload: reattaching attachments to players";
3666	reattach $_ for values %PLAYER;	4097	reattach $_ for values %PLAYER;
		4098	}
3667		4099
3668	warn "leaving sync_job";	4100	cf::_post_init 1;
3669		4101
		4102	trace "perl_reload: leaving sync_job";
		4103
3670	1	4104	1
3671	} or do {	4105	} or do {
3672	warn $@;	4106	error $@;
3673	cf::cleanup "error while reloading, exiting.";	4107	cf::cleanup "perl_reload: error, exiting.";
		4108	};
		4109
		4110	--$RELOAD;
3674	};	4111	}
3675		4112
3676	warn "reloaded";	4113	$t1 = AE::time - $t1;
		4114	info "perl_reload: completed in ${t1}s\n";
3677	};	4115	};
3678		4116
3679	our $RELOAD_WATCHER; # used only during reload	4117	our $RELOAD_WATCHER; # used only during reload
3680		4118
3681	sub reload_perl() {	4119	sub reload_perl() {
3682	# doing reload synchronously and two reloads happen back-to-back,	4120	# doing reload synchronously and two reloads happen back-to-back,
3683	# coro crashes during coro_state_free->destroy here.	4121	# coro crashes during coro_state_free->destroy here.
3684		4122
		4123	$RELOAD_WATCHER ||= cf::async {
		4124	Coro::AIO::aio_wait cache_extensions;
		4125
3685	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4126	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3686	do_reload_perl;	4127	do_reload_perl;
3687	undef $RELOAD_WATCHER;	4128	undef $RELOAD_WATCHER;
		4129	};
3688	};	4130	};
3689	}	4131	}
3690		4132
3691	register_command "reload" => sub {	4133	register_command "reload" => sub {
3692	my ($who, $arg) = @_;	4134	my ($who, $arg) = @_;
…		…
3698	reload_perl;	4140	reload_perl;
3699	};	4141	};
3700	}	4142	}
3701	};	4143	};
3702		4144
3703	unshift @INC, $LIBDIR;	4145	#############################################################################
3704		4146
3705	my $bug_warning = 0;	4147	my $bug_warning = 0;
3706		4148
3707	our @WAIT_FOR_TICK;
3708	our @WAIT_FOR_TICK_BEGIN;
3709
3710	sub wait_for_tick {	4149	sub wait_for_tick() {
3711	return if tick_inhibit || $Coro::current == $Coro::main;	4150	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3712		4151
3713	my $signal = new Coro::Signal;	4152	$WAIT_FOR_TICK->wait;
3714	push @WAIT_FOR_TICK, $signal;
3715	$signal->wait;
3716	}	4153	}
3717		4154
3718	sub wait_for_tick_begin {	4155	sub wait_for_tick_begin() {
3719	return if tick_inhibit || $Coro::current == $Coro::main;	4156	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3720		4157
3721	my $signal = new Coro::Signal;	4158	my $signal = new Coro::Signal;
3722	push @WAIT_FOR_TICK_BEGIN, $signal;	4159	push @WAIT_FOR_TICK_BEGIN, $signal;
3723	$signal->wait;	4160	$signal->wait;
3724	}	4161	}
…		…
3728	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4165	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3729	unless ++$bug_warning > 10;	4166	unless ++$bug_warning > 10;
3730	return;	4167	return;
3731	}	4168	}
3732		4169
3733	cf::server_tick; # one server iteration	4170	cf::one_tick; # one server iteration
		4171
		4172	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3734		4173
3735	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4174	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3736	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4175	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3737	Coro::async_pool {	4176	Coro::async_pool {
3738	$Coro::current->{desc} = "runtime saver";	4177	$Coro::current->{desc} = "runtime saver";
3739	write_runtime_sync	4178	write_runtime_sync
3740	or warn "ERROR: unable to write runtime file: $!";	4179	or error "ERROR: unable to write runtime file: $!";
3741	};	4180	};
3742	}	4181	}
3743		4182
3744	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4183	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3745	$sig->send;	4184	$sig->send;
3746	}	4185	}
3747	while (my $sig = shift @WAIT_FOR_TICK) {	4186	$WAIT_FOR_TICK->broadcast;
3748	$sig->send;
3749	}
3750		4187
3751	$LOAD = ($NOW - $TICK_START) / $TICK;	4188	$LOAD = ($NOW - $TICK_START) / $TICK;
3752	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4189	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3753		4190
3754	if (0) {	4191	if (0) {
3755	if ($NEXT_TICK) {	4192	if ($NEXT_TICK) {
3756	my $jitter = $TICK_START - $NEXT_TICK;	4193	my $jitter = $TICK_START - $NEXT_TICK;
3757	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4194	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3758	warn "jitter $JITTER\n";#d#	4195	debug "jitter $JITTER\n";#d#
3759	}	4196	}
3760	}	4197	}
3761	}	4198	}
3762		4199
3763	{	4200	{
3764	# configure BDB	4201	# configure BDB
3765		4202
3766	BDB::min_parallel 8;	4203	BDB::min_parallel 16;
3767	BDB::max_poll_reqs $TICK * 0.1;	4204	BDB::max_poll_reqs $TICK * 0.1;
3768	$Coro::BDB::WATCHER->priority (1);	4205	#$AnyEvent::BDB::WATCHER->priority (1);
3769		4206
3770	unless ($DB_ENV) {	4207	unless ($DB_ENV) {
3771	$DB_ENV = BDB::db_env_create;	4208	$DB_ENV = BDB::db_env_create;
3772	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4209	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3773	| BDB::LOG_AUTOREMOVE, 1);	4210	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4211	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3774	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4212	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3775	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4213	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3776		4214
3777	cf::sync_job {	4215	cf::sync_job {
3778	eval {	4216	eval {
…		…
3804	{	4242	{
3805	# configure IO::AIO	4243	# configure IO::AIO
3806		4244
3807	IO::AIO::min_parallel 8;	4245	IO::AIO::min_parallel 8;
3808	IO::AIO::max_poll_time $TICK * 0.1;	4246	IO::AIO::max_poll_time $TICK * 0.1;
3809	$Coro::AIO::WATCHER->priority (1);	4247	undef $AnyEvent::AIO::WATCHER;
3810	}	4248	}
3811		4249
3812	my $_log_backtrace;	4250	our $_log_backtrace;
		4251	our $_log_backtrace_last;
3813		4252
3814	sub _log_backtrace {	4253	sub _log_backtrace {
3815	my ($msg, @addr) = @_;	4254	my ($msg, @addr) = @_;
3816		4255
3817	$msg =~ s/\n//;	4256	$msg =~ s/\n$//;
3818		4257
		4258	if ($_log_backtrace_last eq $msg) {
		4259	LOG llevInfo, "[ABT] $msg\n";
		4260	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3819	# limit the # of concurrent backtraces	4261	# limit the # of concurrent backtraces
3820	if ($_log_backtrace < 2) {	4262	} elsif ($_log_backtrace < 2) {
		4263	$_log_backtrace_last = $msg;
3821	++$_log_backtrace;	4264	++$_log_backtrace;
		4265	my $perl_bt = Carp::longmess $msg;
3822	async {	4266	async {
3823	$Coro::current->{desc} = "abt $msg";	4267	$Coro::current->{desc} = "abt $msg";
3824		4268
3825	my @bt = fork_call {	4269	my @bt = fork_call {
3826	@addr = map { sprintf "%x", $_ } @addr;	4270	@addr = map { sprintf "%x", $_ } @addr;
…		…
3837	}	4281	}
3838		4282
3839	@funcs	4283	@funcs
3840	};	4284	};
3841		4285
3842	LOG llevInfo, "[ABT] $msg\n";	4286	LOG llevInfo, "[ABT] $perl_bt\n";
		4287	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3843	LOG llevInfo, "[ABT] $_\n" for @bt;	4288	LOG llevInfo, "[ABT] $_\n" for @bt;
3844	--$_log_backtrace;	4289	--$_log_backtrace;
3845	};	4290	};
3846	} else {	4291	} else {
3847	LOG llevInfo, "[ABT] $msg\n";	4292	LOG llevInfo, "[ABT] $msg\n";
3848	LOG llevInfo, "[ABT] [suppressed]\n";	4293	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3849	}	4294	}
3850	}	4295	}
3851		4296
3852	# load additional modules	4297	# load additional modules
3853	use cf::pod;	4298	require "cf/$_.pm" for @EXTRA_MODULES;
		4299	cf::_connect_to_perl_2;
3854		4300
3855	END { cf::emergency_save }	4301	END { cf::emergency_save }
3856		4302
3857	1	4303	1
3858		4304

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