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Revision 1.416 by root, Fri Apr 11 13:59:06 2008 UTC vs.
Revision 1.584 by root, Tue Oct 30 17:07:50 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	$EV::DIED = sub {
254	warn "error in event callback: @_";	341	Carp::cluck "error in event callback: @_";
255	};	342	};
		343
		344	#############################################################################
		345
		346	sub fork_call(&@);
		347	sub get_slot($;$$);
256		348
257	#############################################################################	349	#############################################################################
258		350
259	=head2 UTILITY FUNCTIONS	351	=head2 UTILITY FUNCTIONS
260		352
…		…
281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	373	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
282	$d	374	$d
283	} || "[unable to dump $_[0]: '$@']";	375	} || "[unable to dump $_[0]: '$@']";
284	}	376	}
285		377
		378	=item $scalar = cf::load_file $path
		379
		380	Loads the given file from path and returns its contents. Croaks on error
		381	and can block.
		382
		383	=cut
		384
		385	sub load_file($) {
		386	0 <= aio_load $_[0], my $data
		387	or Carp::croak "$_[0]: $!";
		388
		389	$data
		390	}
		391
		392	=item $success = cf::replace_file $path, $data, $sync
		393
		394	Atomically replaces the file at the given $path with new $data, and
		395	optionally $sync the data to disk before replacing the file.
		396
		397	=cut
		398
		399	sub replace_file($$;$) {
		400	my ($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	$busy = 0;
426	Coro::schedule;	615	Coro::schedule;
427	}	616	}
428	}	617	}
429	};	618	};
430		619
431	sub get_slot($;$$) {	620	sub get_slot($;$$) {
		621	return if tick_inhibit || $Coro::current == $Coro::main;
		622
432	my ($time, $pri, $name) = @_;	623	my ($time, $pri, $name) = @_;
433		624
434	$time = $TICK * .6 if $time > $TICK * .6;	625	$time = clamp $time, 0.01, $TICK * .6;
		626
435	my $sig = new Coro::Signal;	627	my $sig = new Coro::Signal;
436		628
437	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	629	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
438	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	630	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
439	$SLOT_QUEUE->ready;	631	$SLOT_QUEUE->ready;
…		…
465	=cut	657	=cut
466		658
467	sub sync_job(&) {	659	sub sync_job(&) {
468	my ($job) = @_;	660	my ($job) = @_;
469		661
470	if ($Coro::current == $Coro::main) {	662	if (in_main) {
471	my $time = EV::time;	663	my $time = AE::time;
472		664
473	# this is the main coro, too bad, we have to block	665	# this is the main coro, too bad, we have to block
474	# till the operation succeeds, freezing the server :/	666	# till the operation succeeds, freezing the server :/
475		667
476	LOG llevError, Carp::longmess "sync job";#d#	668	#LOG llevError, Carp::longmess "sync job";#d#
477		669
478	my $freeze_guard = freeze_mainloop;	670	my $freeze_guard = freeze_mainloop;
479		671
480	my $busy = 1;	672	my $busy = 1;
481	my @res;	673	my @res;
482		674
483	(async {	675	(async {
484	$Coro::current->desc ("sync job coro");	676	$Coro::current->desc ("sync job coro");
485	@res = eval { $job->() };	677	@res = eval { $job->() };
486	warn $@ if $@;	678	error $@ if $@;
487	undef $busy;	679	undef $busy;
488	})->prio (Coro::PRIO_MAX);	680	})->prio (Coro::PRIO_MAX);
489		681
490	while ($busy) {	682	while ($busy) {
491	if (Coro::nready) {	683	if (Coro::nready) {
…		…
493	} else {	685	} else {
494	EV::loop EV::LOOP_ONESHOT;	686	EV::loop EV::LOOP_ONESHOT;
495	}	687	}
496	}	688	}
497		689
498	my $time = EV::time - $time;	690	my $time = AE::time - $time;
499		691
500	$TICK_START += $time; # do not account sync jobs to server load	692	$TICK_START += $time; # do not account sync jobs to server load
501		693
502	wantarray ? @res : $res[0]	694	wantarray ? @res : $res[0]
503	} else {	695	} else {
…		…
525	$EXT_CORO{$coro+0} = $coro;	717	$EXT_CORO{$coro+0} = $coro;
526		718
527	$coro	719	$coro
528	}	720	}
529		721
530	=item fork_call { }, $args	722	=item fork_call { }, @args
531		723
532	Executes the given code block with the given arguments in a seperate	724	Executes the given code block with the given arguments in a seperate
533	process, returning the results. Everything must be serialisable with	725	process, returning the results. Everything must be serialisable with
534	Coro::Storable. May, of course, block. Note that the executed sub may	726	Coro::Storable. May, of course, block. Note that the executed sub may
535	never block itself or use any form of event handling.	727	never block itself or use any form of event handling.
536		728
537	=cut	729	=cut
538		730
		731	sub post_fork {
		732	reset_signals;
		733	}
		734
539	sub fork_call(&@) {	735	sub fork_call(&@) {
540	my ($cb, @args) = @_;	736	my ($cb, @args) = @_;
541		737
542	# we seemingly have to make a local copy of the whole thing,	738	# we seemingly have to make a local copy of the whole thing,
543	# otherwise perl prematurely frees the stuff :/	739	# otherwise perl prematurely frees the stuff :/
544	# TODO: investigate and fix (likely this will be rather laborious)	740	# TODO: investigate and fix (likely this will be rather laborious)
545		741
546	my @res = Coro::Util::fork_eval {	742	my @res = Coro::Util::fork_eval {
547	reset_signals;	743	cf::post_fork;
548	&$cb	744	&$cb
549	}, @args;	745	} @args;
550		746
551	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	)
552	}	759	}
553		760
554	=item $coin = coin_from_name $name	761	=item $coin = coin_from_name $name
555		762
556	=cut	763	=cut
…		…
593	within each server.	800	within each server.
594		801
595	=cut	802	=cut
596		803
597	sub db_table($) {	804	sub db_table($) {
		805	cf::error "db_get called from main context"
		806	if $Coro::current == $Coro::main;
		807
598	my ($name) = @_;	808	my ($name) = @_;
599	my $db = BDB::db_create $DB_ENV;	809	my $db = BDB::db_create $DB_ENV;
600		810
601	eval {	811	eval {
602	$db->set_flags (BDB::CHKSUM);	812	$db->set_flags (BDB::CHKSUM);
…		…
612	}	822	}
613		823
614	our $DB;	824	our $DB;
615		825
616	sub db_init {	826	sub db_init {
617	cf::sync_job {
618	$DB ||= db_table "db";	827	$DB ||= db_table "db";
619	};
620	}	828	}
621		829
622	sub db_get($$) {	830	sub db_get($$) {
623	my $key = "$_[0]/$_[1]";	831	my $key = "$_[0]/$_[1]";
624		832
625	cf::sync_job {	833	cf::error "db_get called from main context"
		834	if $Coro::current == $Coro::main;
		835
626	BDB::db_get $DB, undef, $key, my $data;	836	BDB::db_get $DB, undef, $key, my $data;
627		837
628	$! ? ()	838	$! ? ()
629	: $data	839	: $data
630	}
631	}	840	}
632		841
633	sub db_put($$$) {	842	sub db_put($$$) {
634	BDB::dbreq_pri 4;	843	BDB::dbreq_pri 4;
635	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	844	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
663		872
664	my @data;	873	my @data;
665	my $md5;	874	my $md5;
666		875
667	for (0 .. $#$src) {	876	for (0 .. $#$src) {
668	0 <= aio_load $src->[$_], $data[$_]	877	$data[$_] = load_file $src->[$_];
669	or Carp::croak "$src->[$_]: $!";
670	}	878	}
671		879
672	# if processing is expensive, check	880	# if processing is expensive, check
673	# checksum first	881	# checksum first
674	if (1) {	882	if (1) {
…		…
691		899
692	my $t1 = Time::HiRes::time;	900	my $t1 = Time::HiRes::time;
693	my $data = $process->(\@data);	901	my $data = $process->(\@data);
694	my $t2 = Time::HiRes::time;	902	my $t2 = Time::HiRes::time;
695		903
696	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	904	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
697		905
698	db_put cache => "$id/data", $data;	906	db_put cache => "$id/data", $data;
699	db_put cache => "$id/md5" , $md5;	907	db_put cache => "$id/md5" , $md5;
700	db_put cache => "$id/meta", $meta;	908	db_put cache => "$id/meta", $meta;
701		909
…		…
711		919
712	=cut	920	=cut
713		921
714	sub datalog($@) {	922	sub datalog($@) {
715	my ($type, %kv) = @_;	923	my ($type, %kv) = @_;
716	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	924	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
717	}	925	}
718		926
719	=back	927	=back
720		928
721	=cut	929	=cut
722		930
723	#############################################################################	931	#############################################################################
724		932
725	=head2 ATTACHABLE OBJECTS	933	=head2 ATTACHABLE OBJECTS
726		934
727	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
728	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")
729	to it. All such attachable objects support the following methods.	937	to it. All such attachable objects support the following methods.
730		938
731	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>
732	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
…		…
782	=item cf::CLASS::attachment $name, ...	990	=item cf::CLASS::attachment $name, ...
783		991
784	Register an attachment by C<$name> through which attachable objects of the	992	Register an attachment by C<$name> through which attachable objects of the
785	given CLASS can refer to this attachment.	993	given CLASS can refer to this attachment.
786		994
787	Some classes such as crossfire maps and objects can specify attachments	995	Some classes such as deliantra maps and objects can specify attachments
788	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.
789		997
790	These calls expect any number of the following handler/hook descriptions:	998	These calls expect any number of the following handler/hook descriptions:
791		999
792	=over 4	1000	=over 4
…		…
916		1124
917	} elsif (exists $cb_id{$type}) {	1125	} elsif (exists $cb_id{$type}) {
918	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1126	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
919		1127
920	} elsif (ref $type) {	1128	} elsif (ref $type) {
921	warn "attaching objects not supported, ignoring.\n";	1129	error "attaching objects not supported, ignoring.\n";
922		1130
923	} else {	1131	} else {
924	shift @arg;	1132	shift @arg;
925	warn "attach argument '$type' not supported, ignoring.\n";	1133	error "attach argument '$type' not supported, ignoring.\n";
926	}	1134	}
927	}	1135	}
928	}	1136	}
929		1137
930	sub _object_attach {	1138	sub _object_attach {
…		…
940	_attach $registry, $klass, @attach;	1148	_attach $registry, $klass, @attach;
941	}	1149	}
942		1150
943	$obj->{$name} = \%arg;	1151	$obj->{$name} = \%arg;
944	} else {	1152	} else {
945	warn "object uses attachment '$name' which is not available, postponing.\n";	1153	info "object uses attachment '$name' which is not available, postponing.\n";
946	}	1154	}
947		1155
948	$obj->{_attachment}{$name} = undef;	1156	$obj->{_attachment}{$name} = undef;
949	}	1157	}
950		1158
…		…
1009		1217
1010	for (@$callbacks) {	1218	for (@$callbacks) {
1011	eval { &{$_->[1]} };	1219	eval { &{$_->[1]} };
1012		1220
1013	if ($@) {	1221	if ($@) {
1014	warn "$@";
1015	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1222	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1016	override;	1223	override;
1017	}	1224	}
1018		1225
1019	return 1 if $override;	1226	return 1 if $override;
1020	}	1227	}
…		…
1083		1290
1084	sub reattach {	1291	sub reattach {
1085	# basically do the same as instantiate, without calling instantiate	1292	# basically do the same as instantiate, without calling instantiate
1086	my ($obj) = @_;	1293	my ($obj) = @_;
1087		1294
		1295	# no longer needed after getting rid of delete_package?
1088	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
1089		1297
1090	my $registry = $obj->registry;	1298	my $registry = $obj->registry;
1091		1299
1092	@$registry = ();	1300	@$registry = ();
1093		1301
…		…
1098	for (@$attach) {	1306	for (@$attach) {
1099	my ($klass, @attach) = @$_;	1307	my ($klass, @attach) = @$_;
1100	_attach $registry, $klass, @attach;	1308	_attach $registry, $klass, @attach;
1101	}	1309	}
1102	} else {	1310	} else {
1103	warn "object uses attachment '$name' that is not available, postponing.\n";	1311	info "object uses attachment '$name' that is not available, postponing.\n";
1104	}	1312	}
1105	}	1313	}
1106	}	1314	}
1107		1315
1108	cf::attachable->attach (	1316	cf::attachable->attach (
…		…
1135	my ($filename, $rdata, $objs) = @_;	1343	my ($filename, $rdata, $objs) = @_;
1136		1344
1137	sync_job {	1345	sync_job {
1138	if (length $$rdata) {	1346	if (length $$rdata) {
1139	utf8::decode (my $decname = $filename);	1347	utf8::decode (my $decname = $filename);
1140	warn sprintf "saving %s (%d,%d)\n",	1348	trace sprintf "saving %s (%d,%d)\n",
1141	$decname, length $$rdata, scalar @$objs;	1349	$decname, length $$rdata, scalar @$objs
		1350	if $VERBOSE_IO;
1142		1351
1143	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1352	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1144	chmod SAVE_MODE, $fh;	1353	aio_chmod $fh, SAVE_MODE;
1145	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1354	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1146	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	}
1147	close $fh;	1359	aio_close $fh;
1148		1360
1149	if (@$objs) {	1361	if (@$objs) {
1150	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) {
1151	chmod SAVE_MODE, $fh;	1363	aio_chmod $fh, SAVE_MODE;
1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1364	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1153	aio_write $fh, 0, (length $data), $data, 0;	1365	aio_write $fh, 0, (length $data), $data, 0;
1154	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	}
1155	close $fh;	1370	aio_close $fh;
1156	aio_rename "$filename.pst~", "$filename.pst";	1371	aio_rename "$filename.pst~", "$filename.pst";
1157	}	1372	}
1158	} else {	1373	} else {
1159	aio_unlink "$filename.pst";	1374	aio_unlink "$filename.pst";
1160	}	1375	}
1161		1376
1162	aio_rename "$filename~", $filename;	1377	aio_rename "$filename~", $filename;
		1378
		1379	$filename =~ s%/[^/]+$%%;
		1380	aio_pathsync $filename if $cf::USE_FSYNC;
1163	} else {	1381	} else {
1164	warn "FATAL: $filename~: $!\n";	1382	error "unable to save objects: $filename~: $!\n";
1165	}	1383	}
1166	} else {	1384	} else {
1167	aio_unlink $filename;	1385	aio_unlink $filename;
1168	aio_unlink "$filename.pst";	1386	aio_unlink "$filename.pst";
1169	}	1387	}
…		…
1193	my $st = eval { Coro::Storable::thaw $av };	1411	my $st = eval { Coro::Storable::thaw $av };
1194	$av = $st->{objs};	1412	$av = $st->{objs};
1195	}	1413	}
1196		1414
1197	utf8::decode (my $decname = $filename);	1415	utf8::decode (my $decname = $filename);
1198	warn sprintf "loading %s (%d,%d)\n",	1416	trace sprintf "loading %s (%d,%d)\n",
1199	$decname, length $data, scalar @{$av || []};	1417	$decname, length $data, scalar @{$av || []}
		1418	if $VERBOSE_IO;
1200		1419
1201	($data, $av)	1420	($data, $av)
1202	}	1421	}
1203		1422
1204	=head2 COMMAND CALLBACKS	1423	=head2 COMMAND CALLBACKS
…		…
1260	my ($name, $cb) = @_;	1479	my ($name, $cb) = @_;
1261		1480
1262	$EXTICMD{$name} = $cb;	1481	$EXTICMD{$name} = $cb;
1263	}	1482	}
1264		1483
		1484	use File::Glob ();
		1485
1265	cf::player->attach (	1486	cf::player->attach (
1266	on_command => sub {	1487	on_unknown_command => sub {
1267	my ($pl, $name, $params) = @_;	1488	my ($pl, $name, $params) = @_;
1268		1489
1269	my $cb = $COMMAND{$name}	1490	my $cb = $COMMAND{$name}
1270	or return;	1491	or return;
1271		1492
…		…
1279	my ($pl, $buf) = @_;	1500	my ($pl, $buf) = @_;
1280		1501
1281	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1502	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1282		1503
1283	if (ref $msg) {	1504	if (ref $msg) {
1284	my ($type, $reply, @payload) =	1505	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1285	"ARRAY" eq ref $msg
1286	? @$msg
1287	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1288		1506
1289	my @reply;	1507	my @reply;
1290		1508
1291	if (my $cb = $EXTCMD{$type}) {	1509	if (my $cb = $EXTCMD{$type}) {
1292	@reply = $cb->($pl, @payload);	1510	@reply = $cb->($pl, @payload);
…		…
1294		1512
1295	$pl->ext_reply ($reply, @reply)	1513	$pl->ext_reply ($reply, @reply)
1296	if $reply;	1514	if $reply;
1297		1515
1298	} else {	1516	} else {
1299	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1517	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1300	}	1518	}
1301		1519
1302	cf::override;	1520	cf::override;
1303	},	1521	},
1304	);	1522	);
1305		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
1306	sub load_extensions {	1548	sub load_extensions {
		1549	info "loading extensions...";
		1550
		1551	%EXT_CFG = ();
		1552
1307	cf::sync_job {	1553	cf::sync_job {
1308	my %todo;	1554	my %todo;
1309		1555
1310	for my $path (<$LIBDIR/*.ext>) {	1556	for my $path (<$LIBDIR/*.ext>) {
1311	next unless -r $path;	1557	next unless -r $path;
…		…
1329		1575
1330	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1576	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1331	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1577	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1332		1578
1333	$ext{source} =	1579	$ext{source} =
1334	"package $pkg; use strict; use utf8;\n"	1580	"package $pkg; use common::sense;\n"
1335	. "#line 1 \"$path\"\n{\n"	1581	. "#line 1 \"$path\"\n{\n"
1336	. $source	1582	. $source
1337	. "\n};\n1";	1583	. "\n};\n1";
1338		1584
1339	$todo{$base} = \%ext;	1585	$todo{$base} = \%ext;
1340	}	1586	}
1341		1587
		1588	my $pass = 0;
1342	my %done;	1589	my %done;
1343	while (%todo) {	1590	while (%todo) {
1344	my $progress;	1591	my $progress;
1345		1592
		1593	++$pass;
		1594
		1595	ext:
1346	while (my ($k, $v) = each %todo) {	1596	while (my ($k, $v) = each %todo) {
1347	for (split /,\s*/, $v->{meta}{depends}) {	1597	for (split /,\s*/, $v->{meta}{depends}) {
1348	goto skip	1598	next ext
1349	unless exists $done{$_};	1599	unless exists $done{$_};
1350	}	1600	}
1351		1601
1352	warn "... loading '$k' into '$v->{pkg}'\n";	1602	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1353		1603
1354	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 $@) {
1355	my $msg = $@ ? "$v->{path}: $@\n"	1616	error "$v->{path}: $@\n";
1356	: "$v->{base}: extension inactive.\n";
1357		1617
1358	if (exists $v->{meta}{mandatory}) {
1359	warn $msg;
1360	cf::cleanup "mandatory extension failed to load, exiting.";	1618	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1361	}	1619	if exists $v->{meta}{mandatory};
1362		1620
1363	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;
1364	}	1630	}
1365
1366	$done{$k} = delete $todo{$k};
1367	push @EXTS, $v->{pkg};
1368	$progress = 1;
1369	}	1631	}
1370		1632
1371	skip:	1633	unless ($progress) {
1372	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1634	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1373	unless $progress;	1635
		1636	while (my ($k, $v) = each %todo) {
		1637	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1638	if exists $v->{meta}{mandatory};
		1639	}
		1640
		1641	last;
		1642	}
1374	}	1643	}
1375	};	1644	};
1376	}	1645	}
1377		1646
1378	#############################################################################	1647	#############################################################################
1379		1648
1380	=back	1649	=back
1381		1650
1382	=head2 CORE EXTENSIONS	1651	=head2 CORE EXTENSIONS
1383		1652
1384	Functions and methods that extend core crossfire objects.	1653	Functions and methods that extend core deliantra objects.
1385		1654
1386	=cut	1655	=cut
1387		1656
1388	package cf::player;	1657	package cf::player;
1389		1658
…		…
1432		1701
1433	sub exists($) {	1702	sub exists($) {
1434	my ($login) = @_;	1703	my ($login) = @_;
1435		1704
1436	$cf::PLAYER{$login}	1705	$cf::PLAYER{$login}
1437	or cf::sync_job { !aio_stat path $login }	1706	or !aio_stat path $login
1438	}	1707	}
1439		1708
1440	sub find($) {	1709	sub find($) {
1441	return $cf::PLAYER{$_[0]} || do {	1710	return $cf::PLAYER{$_[0]} || do {
1442	my $login = $_[0];	1711	my $login = $_[0];
…		…
1454	my $f = new_from_file cf::object::thawer path $login	1723	my $f = new_from_file cf::object::thawer path $login
1455	or return;	1724	or return;
1456		1725
1457	my $pl = cf::player::load_pl $f	1726	my $pl = cf::player::load_pl $f
1458	or return;	1727	or return;
		1728
1459	local $cf::PLAYER_LOADING{$login} = $pl;	1729	local $cf::PLAYER_LOADING{$login} = $pl;
1460	$f->resolve_delayed_derefs;	1730	$f->resolve_delayed_derefs;
1461	$cf::PLAYER{$login} = $pl	1731	$cf::PLAYER{$login} = $pl
1462	}	1732	}
1463	}	1733	}
1464	}	1734	}
1465		1735
		1736	cf::player->attach (
		1737	on_load => sub {
		1738	my ($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
1466	sub save($) {	1749	sub save($) {
1467	my ($pl) = @_;	1750	my ($pl) = @_;
1468		1751
1469	return if $pl->{deny_save};	1752	return if $pl->{deny_save};
1470		1753
…		…
1473		1756
1474	return if $pl->{deny_save};	1757	return if $pl->{deny_save};
1475		1758
1476	aio_mkdir playerdir $pl, 0770;	1759	aio_mkdir playerdir $pl, 0770;
1477	$pl->{last_save} = $cf::RUNTIME;	1760	$pl->{last_save} = $cf::RUNTIME;
		1761
		1762	cf::get_slot 0.01;
		1763
		1764	# save slots, to be restored later
		1765	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1478		1766
1479	$pl->save_pl ($path);	1767	$pl->save_pl ($path);
1480	cf::cede_to_tick;	1768	cf::cede_to_tick;
1481	}	1769	}
1482		1770
…		…
1514	my ($pl) = @_;	1802	my ($pl) = @_;
1515		1803
1516	my $name = $pl->ob->name;	1804	my $name = $pl->ob->name;
1517		1805
1518	$pl->{deny_save} = 1;	1806	$pl->{deny_save} = 1;
1519	$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
1520		1808
1521	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1809	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1522	$pl->deactivate;	1810	$pl->deactivate;
		1811
		1812	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1523	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1813	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1814	ext::highscore::check ($pl->ob);
		1815
1524	$pl->ns->destroy if $pl->ns;	1816	$pl->ns->destroy if $pl->ns;
1525		1817
1526	my $path = playerdir $pl;	1818	my $path = playerdir $pl;
1527	my $temp = "$path~$cf::RUNTIME~deleting~";	1819	my $temp = "$path~$cf::RUNTIME~deleting~";
1528	aio_rename $path, $temp;	1820	aio_rename $path, $temp;
…		…
1566		1858
1567	for my $login (@$dirs) {	1859	for my $login (@$dirs) {
1568	my $path = path $login;	1860	my $path = path $login;
1569		1861
1570	# a .pst is a dead give-away for a valid player	1862	# a .pst is a dead give-away for a valid player
1571	unless (-e "$path.pst") {	1863	# if no pst file found, open and chekc for blocked users
		1864	if (aio_stat "$path.pst") {
1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1865	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1573	aio_read $fh, 0, 512, my $buf, 0 or next;	1866	aio_read $fh, 0, 512, my $buf, 0 or next;
1574	$buf !~ /^password -------------$/m or next; # official not-valid tag	1867	$buf !~ /^password -------------$/m or next; # official not-valid tag
1575	}	1868	}
1576		1869
…		…
1580		1873
1581	\@logins	1874	\@logins
1582	}	1875	}
1583		1876
1584	=item $player->maps	1877	=item $player->maps
		1878
		1879	=item cf::player::maps $login
1585		1880
1586	Returns an arrayref of map paths that are private for this	1881	Returns an arrayref of map paths that are private for this
1587	player. May block.	1882	player. May block.
1588		1883
1589	=cut	1884	=cut
…		…
1607	}	1902	}
1608		1903
1609	\@paths	1904	\@paths
1610	}	1905	}
1611		1906
1612	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1907	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1613		1908
1614	Expand crossfire pod fragments into protocol xml.	1909	Expand deliantra pod fragments into protocol xml.
1615
1616	=cut
1617
1618	use re 'eval';
1619
1620	my $group;
1621	my $interior; $interior = qr{
1622	# match a pod interior sequence sans C<< >>
1623	(?:
1624	\ (.*?)\ (?{ $group = $^N })
1625	| < (??{$interior}) >
1626	)
1627	}x;
1628
1629	sub expand_cfpod {
1630	my ($self, $pod) = @_;
1631
1632	my $xml;
1633
1634	while () {
1635	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1636	$group = $1;
1637
1638	$group =~ s/&/&amp;/g;
1639	$group =~ s/</&lt;/g;
1640
1641	$xml .= $group;
1642	} elsif ($pod =~ m%\G
1643	([BCGHITU])
1644	<
1645	(?:
1646	([^<>]*) (?{ $group = $^N })
1647	| < $interior >
1648	)
1649	>
1650	%gcsx
1651	) {
1652	my ($code, $data) = ($1, $group);
1653
1654	if ($code eq "B") {
1655	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1656	} elsif ($code eq "I") {
1657	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1658	} elsif ($code eq "U") {
1659	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1660	} elsif ($code eq "C") {
1661	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1662	} elsif ($code eq "T") {
1663	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1664	} elsif ($code eq "G") {
1665	my ($male, $female) = split /\|/, $data;
1666	$data = $self->gender ? $female : $male;
1667	$xml .= expand_cfpod ($self, $data);
1668	} elsif ($code eq "H") {
1669	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1670	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1671	"")
1672	[$self->{hintmode}];
1673	} else {
1674	$xml .= "error processing '$code($data)' directive";
1675	}
1676	} else {
1677	if ($pod =~ /\G(.+)/) {
1678	warn "parse error while expanding $pod (at $1)";
1679	}
1680	last;
1681	}
1682	}
1683
1684	for ($xml) {
1685	# create single paragraphs (very hackish)
1686	s/(?<=\S)\n(?=\w)/ /g;
1687
1688	# compress some whitespace
1689	s/\s+\n/\n/g; # ws line-ends
1690	s/\n\n+/\n/g; # double lines
1691	s/^\n+//; # beginning lines
1692	s/\n+$//; # ending lines
1693	}
1694
1695	$xml
1696	}
1697
1698	no re 'eval';
1699
1700	sub hintmode {
1701	$_[0]{hintmode} = $_[1] if @_ > 1;
1702	$_[0]{hintmode}
1703	}
1704		1910
1705	=item $player->ext_reply ($msgid, @msg)	1911	=item $player->ext_reply ($msgid, @msg)
1706		1912
1707	Sends an ext reply to the player.	1913	Sends an ext reply to the player.
1708		1914
…		…
1740		1946
1741	=cut	1947	=cut
1742		1948
1743	sub find_by_path($) {	1949	sub find_by_path($) {
1744	my ($path) = @_;	1950	my ($path) = @_;
		1951
		1952	$path =~ s/^~[^\/]*//; # skip ~login
1745		1953
1746	my ($match, $specificity);	1954	my ($match, $specificity);
1747		1955
1748	for my $region (list) {	1956	for my $region (list) {
1749	if ($region->{match} && $path =~ $region->{match}) {	1957	if ($region->{match} && $path =~ $region->{match}) {
…		…
1775	our $MAX_RESET = 3600;	1983	our $MAX_RESET = 3600;
1776	our $DEFAULT_RESET = 3000;	1984	our $DEFAULT_RESET = 3000;
1777		1985
1778	sub generate_random_map {	1986	sub generate_random_map {
1779	my ($self, $rmp) = @_;	1987	my ($self, $rmp) = @_;
1780	# mit "rum" bekleckern, nicht	1988
		1989	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1990
1781	$self->_create_random_map (	1991	$self->_create_random_map ($rmp);
1782	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1783	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1784	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1785	$rmp->{exit_on_final_map},
1786	$rmp->{xsize}, $rmp->{ysize},
1787	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1788	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1789	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1790	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1791	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1792	(cf::region::find $rmp->{region}), $rmp->{custom}
1793	)
1794	}	1992	}
1795		1993
1796	=item cf::map->register ($regex, $prio)	1994	=item cf::map->register ($regex, $prio)
1797		1995
1798	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
…		…
1803		2001
1804	sub register {	2002	sub register {
1805	my (undef, $regex, $prio) = @_;	2003	my (undef, $regex, $prio) = @_;
1806	my $pkg = caller;	2004	my $pkg = caller;
1807		2005
1808	no strict;
1809	push @{"$pkg\::ISA"}, __PACKAGE__;	2006	push @{"$pkg\::ISA"}, __PACKAGE__;
1810		2007
1811	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2008	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1812	}	2009	}
1813		2010
1814	# also paths starting with '/'	2011	# also paths starting with '/'
1815	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2012	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1816		2013
1817	sub thawer_merge {	2014	sub thawer_merge {
1818	my ($self, $merge) = @_;	2015	my ($self, $merge) = @_;
1819		2016
1820	# we have to keep some variables in memory intact	2017	# we have to keep some variables in memory intact
…		…
1825	}	2022	}
1826		2023
1827	sub normalise {	2024	sub normalise {
1828	my ($path, $base) = @_;	2025	my ($path, $base) = @_;
1829		2026
1830	$path = "$path"; # make sure its a string	2027	$path = "$path"; # make sure it's a string
1831		2028
1832	$path =~ s/\.map$//;	2029	$path =~ s/\.map$//;
1833		2030
1834	# map plan:	2031	# map plan:
1835	#	2032	#
…		…
1850	$base =~ s{[^/]+/?$}{};	2047	$base =~ s{[^/]+/?$}{};
1851	$path = "$base/$path";	2048	$path = "$base/$path";
1852	}	2049	}
1853		2050
1854	for ($path) {	2051	for ($path) {
1855	redo if s{//}{/};
1856	redo if s{/\.?/}{/};	2052	redo if s{/\.?/}{/};
1857	redo if s{/[^/]+/\.\./}{/};	2053	redo if s{/[^/]+/\.\./}{/};
1858	}	2054	}
1859		2055
1860	$path	2056	$path
…		…
1874	$self->init; # pass $1 etc.	2070	$self->init; # pass $1 etc.
1875	return $self;	2071	return $self;
1876	}	2072	}
1877	}	2073	}
1878		2074
1879	Carp::cluck "unable to resolve path '$path' (base '$base').";	2075	Carp::cluck "unable to resolve path '$path' (base '$base')";
1880	()	2076	()
1881	}	2077	}
1882		2078
		2079	# may re-bless or do other evil things
1883	sub init {	2080	sub init {
1884	my ($self) = @_;	2081	my ($self) = @_;
1885		2082
1886	$self	2083	$self
1887	}	2084	}
…		…
1906		2103
1907	# the temporary/swap location	2104	# the temporary/swap location
1908	sub save_path {	2105	sub save_path {
1909	my ($self) = @_;	2106	my ($self) = @_;
1910		2107
1911	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1912	"$TMPDIR/$path.map"	2109	"$TMPDIR/$path.map"
1913	}	2110	}
1914		2111
1915	# the unique path, undef == no special unique path	2112	# the unique path, undef == no special unique path
1916	sub uniq_path {	2113	sub uniq_path {
1917	my ($self) = @_;	2114	my ($self) = @_;
1918		2115
1919	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2116	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1920	"$UNIQUEDIR/$path"	2117	"$UNIQUEDIR/$path"
1921	}
1922
1923	# and all this just because we cannot iterate over
1924	# all maps in C++...
1925	sub change_all_map_light {
1926	my ($change) = @_;
1927
1928	$_->change_map_light ($change)
1929	for grep $_->outdoor, values %cf::MAP;
1930	}	2118	}
1931		2119
1932	sub decay_objects {	2120	sub decay_objects {
1933	my ($self) = @_;	2121	my ($self) = @_;
1934		2122
…		…
1961	$self->{load_path} = $path;	2149	$self->{load_path} = $path;
1962		2150
1963	1	2151	1
1964	}	2152	}
1965		2153
		2154	# used to laod the header of an original map
1966	sub load_header_orig {	2155	sub load_header_orig {
1967	my ($self) = @_;	2156	my ($self) = @_;
1968		2157
1969	$self->load_header_from ($self->load_path)	2158	$self->load_header_from ($self->load_path)
1970	}	2159	}
1971		2160
		2161	# used to laod the header of an instantiated map
1972	sub load_header_temp {	2162	sub load_header_temp {
1973	my ($self) = @_;	2163	my ($self) = @_;
1974		2164
1975	$self->load_header_from ($self->save_path)	2165	$self->load_header_from ($self->save_path)
1976	}	2166	}
1977		2167
		2168	# called after loading the header from an instantiated map
1978	sub prepare_temp {	2169	sub prepare_temp {
1979	my ($self) = @_;	2170	my ($self) = @_;
1980		2171
1981	$self->last_access ((delete $self->{last_access})	2172	$self->last_access ((delete $self->{last_access})
1982	|| $cf::RUNTIME); #d#	2173	|| $cf::RUNTIME); #d#
1983	# safety	2174	# safety
1984	$self->{instantiate_time} = $cf::RUNTIME	2175	$self->{instantiate_time} = $cf::RUNTIME
1985	if $self->{instantiate_time} > $cf::RUNTIME;	2176	if $self->{instantiate_time} > $cf::RUNTIME;
1986	}	2177	}
1987		2178
		2179	# called after loading the header from an original map
1988	sub prepare_orig {	2180	sub prepare_orig {
1989	my ($self) = @_;	2181	my ($self) = @_;
1990		2182
1991	$self->{load_original} = 1;	2183	$self->{load_original} = 1;
1992	$self->{instantiate_time} = $cf::RUNTIME;	2184	$self->{instantiate_time} = $cf::RUNTIME;
…		…
2016		2208
2017	sub find;	2209	sub find;
2018	sub find {	2210	sub find {
2019	my ($path, $origin) = @_;	2211	my ($path, $origin) = @_;
2020		2212
		2213	cf::cede_to_tick;
		2214
2021	$path = normalise $path, $origin && $origin->path;	2215	$path = normalise $path, $origin;
2022		2216
2023	cf::lock_wait "map_data:$path";#d#remove	2217	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2024	cf::lock_wait "map_find:$path";	2218	my $guard2 = cf::lock_acquire "map_find:$path";
2025		2219
2026	$cf::MAP{$path} || do {	2220	$cf::MAP{$path} || do {
2027	my $guard1 = cf::lock_acquire "map_find:$path";
2028	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2029
2030	my $map = new_from_path cf::map $path	2221	my $map = new_from_path cf::map $path
2031	or return;	2222	or return;
2032		2223
2033	$map->{last_save} = $cf::RUNTIME;	2224	$map->{last_save} = $cf::RUNTIME;
2034		2225
…		…
2036	or return;	2227	or return;
2037		2228
2038	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2229	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2039	# doing this can freeze the server in a sync job, obviously	2230	# doing this can freeze the server in a sync job, obviously
2040	#$cf::WAIT_FOR_TICK->wait;	2231	#$cf::WAIT_FOR_TICK->wait;
		2232	undef $guard2;
2041	undef $guard1;	2233	undef $guard1;
2042	undef $guard2;
2043	$map->reset;	2234	$map->reset;
2044	return find $path;	2235	return find $path;
2045	}	2236	}
2046		2237
2047	$cf::MAP{$path} = $map	2238	$cf::MAP{$path} = $map
2048	}	2239	}
2049	}	2240	}
2050		2241
2051	sub pre_load { }	2242	sub pre_load { }
2052	sub post_load { }	2243	#sub post_load { } # XS
2053		2244
2054	sub load {	2245	sub load {
2055	my ($self) = @_;	2246	my ($self) = @_;
2056		2247
2057	local $self->{deny_reset} = 1; # loading can take a long time	2248	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2060		2251
2061	{	2252	{
2062	my $guard = cf::lock_acquire "map_data:$path";	2253	my $guard = cf::lock_acquire "map_data:$path";
2063		2254
2064	return unless $self->valid;	2255	return unless $self->valid;
2065	return unless $self->in_memory == cf::MAP_SWAPPED;	2256	return unless $self->state == cf::MAP_SWAPPED;
2066
2067	$self->in_memory (cf::MAP_LOADING);
2068		2257
2069	$self->alloc;	2258	$self->alloc;
2070		2259
2071	$self->pre_load;	2260	$self->pre_load;
2072	cf::cede_to_tick;	2261	cf::cede_to_tick;
2073		2262
		2263	if (exists $self->{load_path}) {
2074	my $f = new_from_file cf::object::thawer $self->{load_path};	2264	my $f = new_from_file cf::object::thawer $self->{load_path};
2075	$f->skip_block;	2265	$f->skip_block;
2076	$self->_load_objects ($f)	2266	$self->_load_objects ($f)
2077	or return;	2267	or return;
2078		2268
2079	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2269	$self->post_load_original
2080	if delete $self->{load_original};	2270	if delete $self->{load_original};
2081		2271
2082	if (my $uniq = $self->uniq_path) {	2272	if (my $uniq = $self->uniq_path) {
2083	utf8::encode $uniq;	2273	utf8::encode $uniq;
2084	unless (aio_stat $uniq) {	2274	unless (aio_stat $uniq) {
2085	if (my $f = new_from_file cf::object::thawer $uniq) {	2275	if (my $f = new_from_file cf::object::thawer $uniq) {
2086	$self->clear_unique_items;	2276	$self->clear_unique_items;
2087	$self->_load_objects ($f);	2277	$self->_load_objects ($f);
2088	$f->resolve_delayed_derefs;	2278	$f->resolve_delayed_derefs;
		2279	}
2089	}	2280	}
2090	}	2281	}
2091	}
2092		2282
2093	$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);
2094		2290
2095	cf::cede_to_tick;	2291	cf::cede_to_tick;
2096	# now do the right thing for maps	2292	# now do the right thing for maps
2097	$self->link_multipart_objects;	2293	$self->link_multipart_objects;
2098	$self->difficulty ($self->estimate_difficulty)	2294	$self->difficulty ($self->estimate_difficulty)
…		…
2102	unless ($self->{deny_activate}) {	2298	unless ($self->{deny_activate}) {
2103	$self->decay_objects;	2299	$self->decay_objects;
2104	$self->fix_auto_apply;	2300	$self->fix_auto_apply;
2105	$self->update_buttons;	2301	$self->update_buttons;
2106	cf::cede_to_tick;	2302	cf::cede_to_tick;
2107	$self->set_darkness_map;	2303	#$self->activate; # no longer activate maps automatically
2108	cf::cede_to_tick;
2109	$self->activate;
2110	}	2304	}
2111		2305
2112	$self->{last_save} = $cf::RUNTIME;	2306	$self->{last_save} = $cf::RUNTIME;
2113	$self->last_access ($cf::RUNTIME);	2307	$self->last_access ($cf::RUNTIME);
2114
2115	$self->in_memory (cf::MAP_IN_MEMORY);
2116	}	2308	}
2117		2309
2118	$self->post_load;	2310	$self->post_load;
2119	}
2120		2311
		2312	1
		2313	}
		2314
		2315	# customize the map for a given player, i.e.
		2316	# return the _real_ map. used by e.g. per-player
		2317	# maps to change the path to ~playername/mappath
2121	sub customise_for {	2318	sub customise_for {
2122	my ($self, $ob) = @_;	2319	my ($self, $ob) = @_;
2123		2320
2124	return find "~" . $ob->name . "/" . $self->{path}	2321	return find "~" . $ob->name . "/" . $self->{path}
2125	if $self->per_player;	2322	if $self->per_player;
…		…
2128	# if $self->per_party;	2325	# if $self->per_party;
2129		2326
2130	$self	2327	$self
2131	}	2328	}
2132		2329
2133	# find and load all maps in the 3x3 area around a map
2134	sub load_neighbours {
2135	my ($map) = @_;
2136
2137	my @neigh; # diagonal neighbours
2138
2139	for (0 .. 3) {
2140	my $neigh = $map->tile_path ($_)
2141	or next;
2142	$neigh = find $neigh, $map
2143	or next;
2144	$neigh->load;
2145
2146	push @neigh,
2147	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2148	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2149	}
2150
2151	for (grep defined $_->[0], @neigh) {
2152	my ($path, $origin) = @$_;
2153	my $neigh = find $path, $origin
2154	or next;
2155	$neigh->load;
2156	}
2157	}
2158
2159	sub find_sync {	2330	sub find_sync {
2160	my ($path, $origin) = @_;	2331	my ($path, $origin) = @_;
2161		2332
2162	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, $origin
2163	}	2338	}
2164		2339
2165	sub do_load_sync {	2340	sub do_load_sync {
2166	my ($map) = @_;	2341	my ($map) = @_;
2167		2342
		2343	# it's a bug to call this from the main context
2168	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2344	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2169	if $Coro::current == $Coro::main;	2345	if $Coro::current == $Coro::main;
2170		2346
2171	cf::sync_job { $map->load };	2347	$map->load;
2172	}	2348	}
2173		2349
2174	our %MAP_PREFETCH;	2350	our %MAP_PREFETCH;
2175	our $MAP_PREFETCHER = undef;	2351	our $MAP_PREFETCHER = undef;
2176		2352
2177	sub find_async {	2353	sub find_async {
2178	my ($path, $origin, $load) = @_;	2354	my ($path, $origin, $load) = @_;
2179		2355
2180	$path = normalise $path, $origin && $origin->{path};	2356	$path = normalise $path, $origin;
2181		2357
2182	if (my $map = $cf::MAP{$path}) {	2358	if (my $map = $cf::MAP{$path}) {
2183	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2359	return $map if !$load || $map->linkable;
2184	}	2360	}
2185		2361
2186	$MAP_PREFETCH{$path} |= $load;	2362	$MAP_PREFETCH{$path} |= $load;
2187		2363
2188	$MAP_PREFETCHER ||= cf::async {	2364	$MAP_PREFETCHER ||= cf::async {
…		…
2202	$MAP_PREFETCHER->prio (6);	2378	$MAP_PREFETCHER->prio (6);
2203		2379
2204	()	2380	()
2205	}	2381	}
2206		2382
		2383	# common code, used by both ->save and ->swapout
2207	sub save {	2384	sub _save {
2208	my ($self) = @_;	2385	my ($self) = @_;
2209
2210	my $lock = cf::lock_acquire "map_data:$self->{path}";
2211		2386
2212	$self->{last_save} = $cf::RUNTIME;	2387	$self->{last_save} = $cf::RUNTIME;
2213		2388
2214	return unless $self->dirty;	2389	return unless $self->dirty;
2215		2390
…		…
2224		2399
2225	cf::async {	2400	cf::async {
2226	$Coro::current->{desc} = "map player save";	2401	$Coro::current->{desc} = "map player save";
2227	$_->contr->save for $self->players;	2402	$_->contr->save for $self->players;
2228	};	2403	};
		2404
		2405	cf::get_slot 0.02;
2229		2406
2230	if ($uniq) {	2407	if ($uniq) {
2231	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2408	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2232	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2409	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2233	} else {	2410	} else {
2234	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2411	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2235	}	2412	}
2236	}	2413	}
2237		2414
		2415	sub save {
		2416	my ($self) = @_;
		2417
		2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2419
		2420	$self->_save;
		2421	}
		2422
2238	sub swap_out {	2423	sub swap_out {
2239	my ($self) = @_;	2424	my ($self) = @_;
2240		2425
2241	# save first because save cedes
2242	$self->save;
2243
2244	my $lock = cf::lock_acquire "map_data:$self->{path}";	2426	my $lock = cf::lock_acquire "map_data:$self->{path}";
2245		2427
		2428	return if !$self->linkable;
		2429	return if $self->{deny_save};
2246	return if $self->players;	2430	return if $self->players;
2247	return if $self->in_memory != cf::MAP_IN_MEMORY;	2431
		2432	# first deactivate the map and "unlink" it from the core
		2433	$self->deactivate;
		2434	$_->clear_links_to ($self) for values %cf::MAP;
		2435	$self->state (cf::MAP_SWAPPED);
		2436
		2437	# then atomically save
		2438	$self->_save;
		2439
		2440	# then free the map
		2441	$self->clear;
		2442	}
		2443
		2444	sub reset_at {
		2445	my ($self) = @_;
		2446
		2447	# TODO: safety, remove and allow resettable per-player maps
2248	return if $self->{deny_save};	2448	return 1e99 if $self->{deny_reset};
2249		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
2250	$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};
2251		2482
2252	$self->deactivate;	2483	$self->deactivate;
2253	$_->clear_links_to ($self) for values %cf::MAP;	2484	$_->clear_links_to ($self) for values %cf::MAP;
2254	$self->clear;	2485	$self->clear;
2255	}
2256
2257	sub reset_at {
2258	my ($self) = @_;
2259
2260	# TODO: safety, remove and allow resettable per-player maps
2261	return 1e99 if $self->{deny_reset};
2262
2263	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2264	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2265
2266	$time + $to
2267	}
2268
2269	sub should_reset {
2270	my ($self) = @_;
2271
2272	$self->reset_at <= $cf::RUNTIME
2273	}
2274
2275	sub reset {
2276	my ($self) = @_;
2277
2278	my $lock = cf::lock_acquire "map_data:$self->{path}";
2279
2280	return if $self->players;
2281
2282	warn "resetting map ", $self->path;
2283
2284	$self->in_memory (cf::MAP_SWAPPED);
2285
2286	# need to save uniques path
2287	unless ($self->{deny_save}) {
2288	my $uniq = $self->uniq_path; utf8::encode $uniq;
2289
2290	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2291	if $uniq;
2292	}
2293
2294	delete $cf::MAP{$self->path};
2295
2296	$self->deactivate;
2297	$_->clear_links_to ($self) for values %cf::MAP;
2298	$self->clear;
2299		2486
2300	$self->unlink_save;	2487	$self->unlink_save;
2301	$self->destroy;	2488	$self->destroy;
2302	}	2489	}
2303		2490
…		…
2311		2498
2312	delete $cf::MAP{$self->path};	2499	delete $cf::MAP{$self->path};
2313		2500
2314	$self->unlink_save;	2501	$self->unlink_save;
2315		2502
2316	bless $self, "cf::map";	2503	bless $self, "cf::map::wrap";
2317	delete $self->{deny_reset};	2504	delete $self->{deny_reset};
2318	$self->{deny_save} = 1;	2505	$self->{deny_save} = 1;
2319	$self->reset_timeout (1);	2506	$self->reset_timeout (1);
2320	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2507	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2321		2508
…		…
2370		2557
2371	sub unique_maps() {	2558	sub unique_maps() {
2372	[	2559	[
2373	map {	2560	map {
2374	utf8::decode $_;	2561	utf8::decode $_;
2375	/\.map$/	2562	s/\.map$//; # TODO future compatibility hack
		2563	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2564	? ()
2376	? normalise $_	2565	: normalise $_
2377	: ()
2378	} @{ aio_readdir $UNIQUEDIR or [] }	2566	} @{ aio_readdir $UNIQUEDIR or [] }
2379	]	2567	]
2380	}	2568	}
2381		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
2382	=back	2602	=back
2383		2603
2384	=head3 cf::object	2604	=head3 cf::object
2385		2605
2386	=cut	2606	=cut
…		…
2389		2609
2390	=over 4	2610	=over 4
2391		2611
2392	=item $ob->inv_recursive	2612	=item $ob->inv_recursive
2393		2613
2394	Returns the inventory of the object _and_ their inventories, recursively.	2614	Returns the inventory of the object I<and> their inventories, recursively,
		2615	but I<not> the object itself.
2395		2616
2396	=cut	2617	=cut
2397		2618
2398	sub inv_recursive_;	2619	sub inv_recursive_;
2399	sub inv_recursive_ {	2620	sub inv_recursive_ {
…		…
2404	inv_recursive_ inv $_[0]	2625	inv_recursive_ inv $_[0]
2405	}	2626	}
2406		2627
2407	=item $ref = $ob->ref	2628	=item $ref = $ob->ref
2408		2629
2409	creates and returns a persistent reference to an objetc that can be stored as a string.	2630	Creates and returns a persistent reference to an object that can be stored as a string.
2410		2631
2411	=item $ob = cf::object::deref ($refstring)	2632	=item $ob = cf::object::deref ($refstring)
2412		2633
2413	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2634	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2414	even if the object actually exists. May block.	2635	even if the object actually exists. May block.
…		…
2446	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
2447	dialogue with the given NPC character.	2668	dialogue with the given NPC character.
2448		2669
2449	=cut	2670	=cut
2450		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
2451	# rough implementation of a future "reply" method that works	2686	# rough implementation of a future "reply" method that works
2452	# with dialog boxes.	2687	# with dialog boxes.
2453	#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
2454	sub cf::object::player::reply($$$;$) {	2689	sub cf::object::player::reply($$$;$) {
2455	my ($self, $npc, $msg, $flags) = @_;	2690	my ($self, $npc, $msg, $flags) = @_;
…		…
2466	my $dialog = $pl->{npc_dialog};	2701	my $dialog = $pl->{npc_dialog};
2467	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2702	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2468		2703
2469	} else {	2704	} else {
2470	$msg = $npc->name . " says: $msg" if $npc;	2705	$msg = $npc->name . " says: $msg" if $npc;
2471	$self->message ($msg, $flags);	2706	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2472	}	2707	}
2473	}	2708	}
2474	}	2709	}
2475		2710
2476	=item $object->send_msg ($channel, $msg, $color, [extra...])	2711	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2501		2736
2502	=item $player_object->enter_link	2737	=item $player_object->enter_link
2503		2738
2504	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}>).
2505		2740
2506	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.
2507	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.
2508		2745
2509	Will never block.	2746	Will never block.
2510		2747
2511	=item $player_object->leave_link ($map, $x, $y)	2748	=item $player_object->leave_link ($map, $x, $y)
2512		2749
…		…
2532	sub cf::object::player::enter_link {	2769	sub cf::object::player::enter_link {
2533	my ($self) = @_;	2770	my ($self) = @_;
2534		2771
2535	$self->deactivate_recursive;	2772	$self->deactivate_recursive;
2536		2773
		2774	++$self->{_link_recursion};
		2775
2537	return if UNIVERSAL::isa $self->map, "ext::map_link";	2776	return if UNIVERSAL::isa $self->map, "ext::map_link";
2538		2777
2539	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2540	if $self->map && $self->map->{path} ne "{link}";	2779	if $self->map && $self->map->{path} ne "{link}";
2541		2780
2542	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2781	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2543	}	2782	}
2544		2783
2545	sub cf::object::player::leave_link {	2784	sub cf::object::player::leave_link {
2546	my ($self, $map, $x, $y) = @_;	2785	my ($self, $map, $x, $y) = @_;
2547		2786
…		…
2564	($x, $y) = (-1, -1)	2803	($x, $y) = (-1, -1)
2565	unless (defined $x) && (defined $y);	2804	unless (defined $x) && (defined $y);
2566		2805
2567	# use -1 or undef as default coordinates, not 0, 0	2806	# use -1 or undef as default coordinates, not 0, 0
2568	($x, $y) = ($map->enter_x, $map->enter_y)	2807	($x, $y) = ($map->enter_x, $map->enter_y)
2569	if $x <=0 && $y <= 0;	2808	if $x <= 0 && $y <= 0;
2570		2809
2571	$map->load;	2810	$map->load;
2572	$map->load_neighbours;
2573		2811
2574	return unless $self->contr->active;	2812	return unless $self->contr->active;
2575	$self->activate_recursive;
2576		2813
2577	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2814	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2578	$self->enter_map ($map, $x, $y);	2815	if ($self->enter_map ($map, $x, $y)) {
2579	}	2816	# entering was successful
		2817	delete $self->{_link_recursion};
		2818	# only activate afterwards, to support waiting in hooks
		2819	$self->activate_recursive;
		2820	}
2580		2821
		2822	}
		2823
2581	=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)]])
2582		2825
2583	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
2584	her, loading and preparing them map, calling the provided $check callback	2827	her, loading and preparing them map, calling the provided $check callback
2585	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
2586	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
2587	be called at the end of this process.	2830	be called at the end of this process.
2588		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
2589	=cut	2835	=cut
2590		2836
2591	our $GOTOGEN;	2837	our $GOTOGEN;
2592		2838
2593	sub cf::object::player::goto {	2839	sub cf::object::player::goto {
2594	my ($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	}
2595		2847
2596	# 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
2597	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2849	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2598		2850
2599	$self->enter_link;	2851	$self->enter_link;
…		…
2619	($path, $x, $y) = (undef, undef, undef);	2871	($path, $x, $y) = (undef, undef, undef);
2620	}	2872	}
2621	}	2873	}
2622		2874
2623	my $map = eval {	2875	my $map = eval {
2624	my $map = defined $path ? cf::map::find $path : undef;	2876	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2625		2877
2626	if ($map) {	2878	if ($map) {
2627	$map = $map->customise_for ($self);	2879	$map = $map->customise_for ($self);
2628	$map = $check->($map) if $check && $map;	2880	$map = $check->($map, $x, $y, $self) if $check && $map;
2629	} else {	2881	} else {
2630	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2882	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2631	}	2883	}
2632		2884
2633	$map	2885	$map
…		…
2641	if ($gen == $self->{_goto_generation}) {	2893	if ($gen == $self->{_goto_generation}) {
2642	delete $self->{_goto_generation};	2894	delete $self->{_goto_generation};
2643	$self->leave_link ($map, $x, $y);	2895	$self->leave_link ($map, $x, $y);
2644	}	2896	}
2645		2897
2646	$done->() if $done;	2898	$done->($self) if $done;
2647	})->prio (1);	2899	})->prio (1);
2648	}	2900	}
2649		2901
2650	=item $player_object->enter_exit ($exit_object)	2902	=item $player_object->enter_exit ($exit_object)
2651		2903
…		…
2671	}	2923	}
2672		2924
2673	sub prepare_random_map {	2925	sub prepare_random_map {
2674	my ($exit) = @_;	2926	my ($exit) = @_;
2675		2927
2676	my $guard = cf::lock_acquire "exit_prepare:$exit";
2677
2678	# all this does is basically replace the /! path by	2928	# all this does is basically replace the /! path by
2679	# a new random map path (?random/...) with a seed	2929	# a new random map path (?random/...) with a seed
2680	# that depends on the exit object	2930	# that depends on the exit object
2681		2931
2682	my $rmp = parse_random_map_params $exit->msg;	2932	my $rmp = parse_random_map_params $exit->msg;
…		…
2684	if ($exit->map) {	2934	if ($exit->map) {
2685	$rmp->{region} = $exit->region->name;	2935	$rmp->{region} = $exit->region->name;
2686	$rmp->{origin_map} = $exit->map->path;	2936	$rmp->{origin_map} = $exit->map->path;
2687	$rmp->{origin_x} = $exit->x;	2937	$rmp->{origin_x} = $exit->x;
2688	$rmp->{origin_y} = $exit->y;	2938	$rmp->{origin_y} = $exit->y;
		2939
		2940	$exit->map->touch;
2689	}	2941	}
2690		2942
2691	$rmp->{random_seed} ||= $exit->random_seed;	2943	$rmp->{random_seed} ||= $exit->random_seed;
2692		2944
2693	my $data = cf::encode_json $rmp;	2945	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2694	my $md5 = Digest::MD5::md5_hex $data;	2946	my $md5 = Digest::MD5::md5_hex $data;
2695	my $meta = "$RANDOMDIR/$md5.meta";	2947	my $meta = "$RANDOMDIR/$md5.meta";
2696		2948
2697	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2949	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2698	aio_write $fh, 0, (length $data), $data, 0;	2950	aio_write $fh, 0, (length $data), $data, 0;
2699	undef $fh;	2951	undef $fh;
2700	aio_rename "$meta~", $meta;	2952	aio_rename "$meta~", $meta;
2701		2953
		2954	my $slaying = "?random/$md5";
		2955
		2956	if ($exit->valid) {
2702	$exit->slaying ("?random/$md5");	2957	$exit->slaying ("?random/$md5");
2703	$exit->msg (undef);	2958	$exit->msg (undef);
		2959	}
2704	}	2960	}
2705	}	2961	}
2706		2962
2707	sub cf::object::player::enter_exit {	2963	sub cf::object::player::enter_exit {
2708	my ($self, $exit) = @_;	2964	my ($self, $exit) = @_;
2709		2965
2710	return unless $self->type == cf::PLAYER;	2966	return unless $self->type == cf::PLAYER;
2711		2967
2712	if ($exit->slaying eq "/!") {
2713	#TODO: this should de-fi-ni-te-ly not be a sync-job
2714	# the problem is that $exit might not survive long enough
2715	# so it needs to be done right now, right here
2716	cf::sync_job { prepare_random_map $exit };
2717	}
2718
2719	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2720	my $hp = $exit->stats->hp;
2721	my $sp = $exit->stats->sp;
2722
2723	$self->enter_link;	2968	$self->enter_link;
2724		2969
2725	# if exit is damned, update players death & WoR home-position
2726	$self->contr->savebed ($slaying, $hp, $sp)
2727	if $exit->flag (FLAG_DAMNED);
2728
2729	(async {	2970	(async {
2730	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2971	$Coro::current->{desc} = "enter_exit";
2731		2972
2732	$self->deactivate_recursive; # just to be sure
2733	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
2734	$self->goto ($slaying, $hp, $sp);	3003	$self->goto ($map, $x, $y);
2735		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
2736	1;	3009	1
2737	}) {	3010	}) {
2738	$self->message ("Something went wrong deep within the crossfire server. "	3011	$self->message ("Something went wrong deep within the deliantra server. "
2739	. "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. "
2740	. "Please report this to the dungeon master!",	3013	. "Please report this to the dungeon master!",
2741	cf::NDI_UNIQUE | cf::NDI_RED);	3014	cf::NDI_UNIQUE | cf::NDI_RED);
2742		3015
2743	warn "ERROR in enter_exit: $@";	3016	error "ERROR in enter_exit: $@";
2744	$self->leave_link;	3017	$self->leave_link;
2745	}	3018	}
2746	})->prio (1);	3019	})->prio (1);
2747	}	3020	}
2748		3021
…		…
2760	sub cf::client::send_drawinfo {	3033	sub cf::client::send_drawinfo {
2761	my ($self, $text, $flags) = @_;	3034	my ($self, $text, $flags) = @_;
2762		3035
2763	utf8::encode $text;	3036	utf8::encode $text;
2764	$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);
2765	}	3063	}
2766		3064
2767	=item $client->send_msg ($channel, $msg, $color, [extra...])	3065	=item $client->send_msg ($channel, $msg, $color, [extra...])
2768		3066
2769	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
…		…
2773		3071
2774	=cut	3072	=cut
2775		3073
2776	# non-persistent channels (usually the info channel)	3074	# non-persistent channels (usually the info channel)
2777	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	},
2778	"c/identify" => {	3082	"c/identify" => {
2779	id => "infobox",	3083	id => "infobox",
2780	title => "Identify",	3084	title => "Identify",
2781	reply => undef,	3085	reply => undef,
2782	tooltip => "Items recently identified",	3086	tooltip => "Items recently identified",
…		…
2784	"c/examine" => {	3088	"c/examine" => {
2785	id => "infobox",	3089	id => "infobox",
2786	title => "Examine",	3090	title => "Examine",
2787	reply => undef,	3091	reply => undef,
2788	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",
2789	},	3099	},
2790	"c/book" => {	3100	"c/book" => {
2791	id => "infobox",	3101	id => "infobox",
2792	title => "Book",	3102	title => "Book",
2793	reply => undef,	3103	reply => undef,
…		…
2809	id => "infobox",	3119	id => "infobox",
2810	title => "Body Parts",	3120	title => "Body Parts",
2811	reply => undef,	3121	reply => undef,
2812	tooltip => "Shows which body parts you posess and are available",	3122	tooltip => "Shows which body parts you posess and are available",
2813	},	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	},
2814	"c/uptime" => {	3160	"c/uptime" => {
2815	id => "infobox",	3161	id => "infobox",
2816	title => "Uptime",	3162	title => "Uptime",
2817	reply => undef,	3163	reply => undef,
2818	tooltip => "How long the server has been running since last restart",	3164	tooltip => "How long the server has been running since last restart",
…		…
2821	id => "infobox",	3167	id => "infobox",
2822	title => "Map Info",	3168	title => "Map Info",
2823	reply => undef,	3169	reply => undef,
2824	tooltip => "Information related to the maps",	3170	tooltip => "Information related to the maps",
2825	},	3171	},
		3172	"c/party" => {
		3173	id => "party",
		3174	title => "Party",
		3175	reply => "gsay ",
		3176	tooltip => "Messages and chat related to your party",
		3177	},
		3178	"c/death" => {
		3179	id => "death",
		3180	title => "Death",
		3181	reply => undef,
		3182	tooltip => "Reason for and more info about your most recent death",
		3183	},
		3184	"c/say" => $SAY_CHANNEL,
		3185	"c/chat" => $CHAT_CHANNEL,
2826	);	3186	);
2827		3187
2828	sub cf::client::send_msg {	3188	sub cf::client::send_msg {
2829	my ($self, $channel, $msg, $color, @extra) = @_;	3189	my ($self, $channel, $msg, $color, @extra) = @_;
2830		3190
2831	$msg = $self->pl->expand_cfpod ($msg);	3191	$msg = $self->pl->expand_cfpod ($msg)
		3192	unless $color & cf::NDI_VERBATIM;
2832		3193
2833	$color &= cf::NDI_CLIENT_MASK; # just in case...	3194	$color &= cf::NDI_CLIENT_MASK; # just in case...
2834		3195
2835	# check predefined channels, for the benefit of C	3196	# check predefined channels, for the benefit of C
2836	if ($CHANNEL{$channel}) {	3197	if ($CHANNEL{$channel}) {
2837	$channel = $CHANNEL{$channel};	3198	$channel = $CHANNEL{$channel};
2838		3199
2839	$self->ext_msg (channel_info => $channel)	3200	$self->ext_msg (channel_info => $channel);
2840	if $self->can_msg;
2841
2842	$channel = $channel->{id};	3201	$channel = $channel->{id};
2843		3202
2844	} elsif (ref $channel) {	3203	} elsif (ref $channel) {
2845	# send meta info to client, if not yet sent	3204	# send meta info to client, if not yet sent
2846	unless (exists $self->{channel}{$channel->{id}}) {	3205	unless (exists $self->{channel}{$channel->{id}}) {
2847	$self->{channel}{$channel->{id}} = $channel;	3206	$self->{channel}{$channel->{id}} = $channel;
2848	$self->ext_msg (channel_info => $channel)	3207	$self->ext_msg (channel_info => $channel);
2849	if $self->can_msg;
2850	}	3208	}
2851		3209
2852	$channel = $channel->{id};	3210	$channel = $channel->{id};
2853	}	3211	}
2854		3212
2855	return unless @extra || length $msg;	3213	return unless @extra || length $msg;
2856		3214
2857	if ($self->can_msg) {
2858	# default colour, mask it out	3215	# default colour, mask it out
2859	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3216	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2860	if $color & cf::NDI_DEF;	3217	if $color & cf::NDI_DEF;
2861		3218
2862	$self->send_packet ("msg " . $self->{json_coder}->encode (	3219	my $pkt = "msg "
		3220	. $self->{json_coder}->encode (
2863	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3221	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2864	} else {	3222	);
2865	if ($color >= 0) {
2866	# replace some tags by gcfclient-compatible ones
2867	for ($msg) {
2868	1 while
2869	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2870	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2871	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2872	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2873	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2874	}
2875		3223
2876	$color &= cf::NDI_COLOR_MASK;	3224	$self->send_big_packet ($pkt);
2877
2878	utf8::encode $msg;
2879
2880	if (0 && $msg =~ /\[/) {
2881	# COMMAND/INFO
2882	$self->send_packet ("drawextinfo $color 10 8 $msg")
2883	} else {
2884	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2885	$self->send_packet ("drawinfo $color $msg")
2886	}
2887	}
2888	}
2889	}	3225	}
2890		3226
2891	=item $client->ext_msg ($type, @msg)	3227	=item $client->ext_msg ($type, @msg)
2892		3228
2893	Sends an ext event to the client.	3229	Sends an ext event to the client.
…		…
2896		3232
2897	sub cf::client::ext_msg($$@) {	3233	sub cf::client::ext_msg($$@) {
2898	my ($self, $type, @msg) = @_;	3234	my ($self, $type, @msg) = @_;
2899		3235
2900	if ($self->extcmd == 2) {	3236	if ($self->extcmd == 2) {
2901	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3237	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2902	} elsif ($self->extcmd == 1) { # TODO: remove	3238	} elsif ($self->extcmd == 1) { # TODO: remove
2903	push @msg, msgtype => "event_$type";	3239	push @msg, msgtype => "event_$type";
2904	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3240	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2905	}	3241	}
2906	}	3242	}
2907		3243
2908	=item $client->ext_reply ($msgid, @msg)	3244	=item $client->ext_reply ($msgid, @msg)
2909		3245
…		…
2912	=cut	3248	=cut
2913		3249
2914	sub cf::client::ext_reply($$@) {	3250	sub cf::client::ext_reply($$@) {
2915	my ($self, $id, @msg) = @_;	3251	my ($self, $id, @msg) = @_;
2916		3252
2917	if ($self->extcmd == 2) {	3253	return unless $self->extcmd == 2;
		3254
2918	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3255	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2919	} elsif ($self->extcmd == 1) {
2920	#TODO: version 1, remove
2921	unshift @msg, msgtype => "reply", msgid => $id;
2922	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2923	}
2924	}	3256	}
2925		3257
2926	=item $success = $client->query ($flags, "text", \&cb)	3258	=item $success = $client->query ($flags, "text", \&cb)
2927		3259
2928	Queues a query to the client, calling the given callback with	3260	Queues a query to the client, calling the given callback with
…		…
2983	my ($ns, $buf) = @_;	3315	my ($ns, $buf) = @_;
2984		3316
2985	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3317	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2986		3318
2987	if (ref $msg) {	3319	if (ref $msg) {
2988	my ($type, $reply, @payload) =	3320	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2989	"ARRAY" eq ref $msg
2990	? @$msg
2991	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2992		3321
2993	my @reply;	3322	my @reply;
2994		3323
2995	if (my $cb = $EXTICMD{$type}) {	3324	if (my $cb = $EXTICMD{$type}) {
2996	@reply = $cb->($ns, @payload);	3325	@reply = $cb->($ns, @payload);
…		…
2998		3327
2999	$ns->ext_reply ($reply, @reply)	3328	$ns->ext_reply ($reply, @reply)
3000	if $reply;	3329	if $reply;
3001		3330
3002	} else {	3331	} else {
3003	warn "client " . ($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";
3004	}	3333	}
3005		3334
3006	cf::override;	3335	cf::override;
3007	},	3336	},
3008	);	3337	);
…		…
3028		3357
3029	$coro	3358	$coro
3030	}	3359	}
3031		3360
3032	cf::client->attach (	3361	cf::client->attach (
3033	on_destroy => sub {	3362	on_client_destroy => sub {
3034	my ($ns) = @_;	3363	my ($ns) = @_;
3035		3364
3036	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3365	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3037	},	3366	},
3038	);	3367	);
…		…
3054	our $safe_hole = new Safe::Hole;	3383	our $safe_hole = new Safe::Hole;
3055		3384
3056	$SIG{FPE} = 'IGNORE';	3385	$SIG{FPE} = 'IGNORE';
3057		3386
3058	$safe->permit_only (Opcode::opset qw(	3387	$safe->permit_only (Opcode::opset qw(
3059	:base_core :base_mem :base_orig :base_math	3388	:base_core :base_mem :base_orig :base_math :base_loop
3060	grepstart grepwhile mapstart mapwhile	3389	grepstart grepwhile mapstart mapwhile
3061	sort time	3390	sort time
3062	));	3391	));
3063		3392
3064	# here we export the classes and methods available to script code	3393	# here we export the classes and methods available to script code
…		…
3067		3396
3068	The following functions and methods are available within a safe environment:	3397	The following functions and methods are available within a safe environment:
3069		3398
3070	cf::object	3399	cf::object
3071	contr pay_amount pay_player map x y force_find force_add destroy	3400	contr pay_amount pay_player map x y force_find force_add destroy
3072	insert remove name archname title slaying race decrease_ob_nr	3401	insert remove name archname title slaying race decrease split
		3402	value
3073		3403
3074	cf::object::player	3404	cf::object::player
3075	player	3405	player
3076		3406
3077	cf::player	3407	cf::player
…		…
3082		3412
3083	=cut	3413	=cut
3084		3414
3085	for (	3415	for (
3086	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3416	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3087	insert remove inv name archname title slaying race	3417	insert remove inv nrof name archname title slaying race
3088	decrease_ob_nr destroy)],	3418	decrease split destroy change_exp value msg lore send_msg)],
3089	["cf::object::player" => qw(player)],	3419	["cf::object::player" => qw(player)],
3090	["cf::player" => qw(peaceful)],	3420	["cf::player" => qw(peaceful send_msg)],
3091	["cf::map" => qw(trigger)],	3421	["cf::map" => qw(trigger)],
3092	) {	3422	) {
3093	no strict 'refs';
3094	my ($pkg, @funs) = @$_;	3423	my ($pkg, @funs) = @$_;
3095	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3424	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3096	for @funs;	3425	for @funs;
3097	}	3426	}
3098		3427
…		…
3113		3442
3114	my $qcode = $code;	3443	my $qcode = $code;
3115	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3444	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3116	$qcode =~ s/\n/\\n/g;	3445	$qcode =~ s/\n/\\n/g;
3117		3446
		3447	%vars = (_dummy => 0) unless %vars;
		3448
		3449	my @res;
3118	local $_;	3450	local $_;
3119	local @safe::cf::_safe_eval_args = values %vars;
3120		3451
3121	my $eval =	3452	my $eval =
3122	"do {\n"	3453	"do {\n"
3123	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3454	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3124	. "#line 0 \"{$qcode}\"\n"	3455	. "#line 0 \"{$qcode}\"\n"
3125	. $code	3456	. $code
3126	. "\n}"	3457	. "\n}"
3127	;	3458	;
3128		3459
		3460	if ($CFG{safe_eval}) {
3129	sub_generation_inc;	3461	sub_generation_inc;
		3462	local @safe::cf::_safe_eval_args = values %vars;
3130	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3463	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3131	sub_generation_inc;	3464	sub_generation_inc;
		3465	} else {
		3466	local @cf::_safe_eval_args = values %vars;
		3467	@res = wantarray ? eval eval : scalar eval $eval;
		3468	}
3132		3469
3133	if ($@) {	3470	if ($@) {
3134	warn "$@";	3471	warn "$@",
3135	warn "while executing safe code '$code'\n";	3472	"while executing safe code '$code'\n",
3136	warn "with arguments " . (join " ", %vars) . "\n";	3473	"with arguments " . (join " ", %vars) . "\n";
3137	}	3474	}
3138		3475
3139	wantarray ? @res : $res[0]	3476	wantarray ? @res : $res[0]
3140	}	3477	}
3141		3478
…		…
3155	=cut	3492	=cut
3156		3493
3157	sub register_script_function {	3494	sub register_script_function {
3158	my ($fun, $cb) = @_;	3495	my ($fun, $cb) = @_;
3159		3496
3160	no strict 'refs';	3497	$fun = "safe::$fun" if $CFG{safe_eval};
3161	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3498	*$fun = $safe_hole->wrap ($cb);
3162	}	3499	}
3163		3500
3164	=back	3501	=back
3165		3502
3166	=cut	3503	=cut
3167		3504
3168	#############################################################################	3505	#############################################################################
3169	# 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
3170		3509
3171	sub load_facedata($) {	3510	sub load_facedata($) {
3172	my ($path) = @_;	3511	my ($path) = @_;
3173		3512
3174	# 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
3175	# for this (global event?)	3514	# for this (global event?)
3176	%ext::player_env::MUSIC_FACE_CACHE = ();	3515	%ext::player_env::MUSIC_FACE_CACHE = ();
3177		3516
3178	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3517	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3179		3518
3180	warn "loading facedata from $path\n";	3519	trace "loading facedata from $path\n";
3181		3520
3182	my $facedata;	3521	my $facedata = decode_storable load_file $path;
3183	0 < aio_load $path, $facedata
3184	or die "$path: $!";
3185
3186	$facedata = Coro::Storable::thaw $facedata;
3187		3522
3188	$facedata->{version} == 2	3523	$facedata->{version} == 2
3189	or cf::cleanup "$path: version mismatch, cannot proceed.";	3524	or cf::cleanup "$path: version mismatch, cannot proceed.";
3190		3525
3191	# 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]);
3192	$facedata->{resource}{"res/exp_table"} = {	3528	$facedata->{resource}{"res/exp_table"} = {
3193	type => FT_RSRC,	3529	type => FT_RSRC,
3194	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),
3195	};	3532	};
3196	cf::cede_to_tick;	3533	cf::cede_to_tick;
3197		3534
3198	{	3535	{
3199	my $faces = $facedata->{faceinfo};	3536	my $faces = $facedata->{faceinfo};
…		…
3201	while (my ($face, $info) = each %$faces) {	3538	while (my ($face, $info) = each %$faces) {
3202	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3539	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3203		3540
3204	cf::face::set_visibility $idx, $info->{visibility};	3541	cf::face::set_visibility $idx, $info->{visibility};
3205	cf::face::set_magicmap $idx, $info->{magicmap};	3542	cf::face::set_magicmap $idx, $info->{magicmap};
3206	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3543	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3207	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3544	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3545	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3546	$FACEHASH{$info->{hash64}} = $idx;#d#
3208		3547
3209	cf::cede_to_tick;	3548	cf::cede_to_tick;
3210	}	3549	}
3211		3550
3212	while (my ($face, $info) = each %$faces) {	3551	while (my ($face, $info) = each %$faces) {
…		…
3217		3556
3218	if (my $smooth = cf::face::find $info->{smooth}) {	3557	if (my $smooth = cf::face::find $info->{smooth}) {
3219	cf::face::set_smooth $idx, $smooth;	3558	cf::face::set_smooth $idx, $smooth;
3220	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3559	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3221	} else {	3560	} else {
3222	warn "smooth face '$info->{smooth}' not found for face '$face'";	3561	error "smooth face '$info->{smooth}' not found for face '$face'";
3223	}	3562	}
3224		3563
3225	cf::cede_to_tick;	3564	cf::cede_to_tick;
3226	}	3565	}
3227	}	3566	}
…		…
3236		3575
3237	cf::anim::invalidate_all; # d'oh	3576	cf::anim::invalidate_all; # d'oh
3238	}	3577	}
3239		3578
3240	{	3579	{
3241	# TODO: for gcfclient pleasure, we should give resources
3242	# that gcfclient doesn't grok a >10000 face index.
3243	my $res = $facedata->{resource};	3580	my $res = $facedata->{resource};
3244		3581
3245	while (my ($name, $info) = each %$res) {	3582	while (my ($name, $info) = each %$res) {
3246	if (defined $info->{type}) {	3583	if (defined (my $type = $info->{type})) {
		3584	# TODO: different hash - must free and use new index, or cache ixface data queue
3247	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3585	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3248	my $data;
3249		3586
3250	if ($info->{type} & 1) {	3587	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3251	# prepend meta info
3252
3253	my $meta = $enc->encode ({
3254	name => $name,
3255	%{ $info->{meta} || {} },
3256	});
3257
3258	$data = pack "(w/a*)*", $meta, $info->{data};
3259	} else {
3260	$data = $info->{data};
3261	}
3262
3263	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3264	cf::face::set_type $idx, $info->{type};	3588	cf::face::set_type $idx, $type;
		3589	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3590	$FACEHASH{$info->{hash}} = $idx;#d#
3265	} else {	3591	} else {
3266	$RESOURCE{$name} = $info;	3592	# $RESOURCE{$name} = $info; # unused
3267	}	3593	}
3268		3594
3269	cf::cede_to_tick;	3595	cf::cede_to_tick;
3270	}	3596	}
3271	}	3597	}
3272		3598
3273	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3599	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3274		3600
3275	1	3601	1
3276	}	3602	}
3277
3278	cf::global->attach (on_resource_update => sub {
3279	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3280	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3281
3282	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3283	my $sound = $soundconf->{compat}[$_]
3284	or next;
3285
3286	my $face = cf::face::find "sound/$sound->[1]";
3287	cf::sound::set $sound->[0] => $face;
3288	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3289	}
3290
3291	while (my ($k, $v) = each %{$soundconf->{event}}) {
3292	my $face = cf::face::find "sound/$v";
3293	cf::sound::set $k => $face;
3294	}
3295	}
3296	});
3297		3603
3298	register_exticmd fx_want => sub {	3604	register_exticmd fx_want => sub {
3299	my ($ns, $want) = @_;	3605	my ($ns, $want) = @_;
3300		3606
3301	while (my ($k, $v) = each %$want) {	3607	while (my ($k, $v) = each %$want) {
3302	$ns->fx_want ($k, $v);	3608	$ns->fx_want ($k, $v);
3303	}	3609	}
3304	};	3610	};
		3611
		3612	sub load_resource_file($) {
		3613	my $guard = lock_acquire "load_resource_file";
		3614
		3615	my $status = load_resource_file_ $_[0];
		3616	get_slot 0.1, 100;
		3617	cf::arch::commit_load;
		3618
		3619	$status
		3620	}
3305		3621
3306	sub reload_regions {	3622	sub reload_regions {
3307	# HACK to clear player env face cache, we need some signal framework	3623	# HACK to clear player env face cache, we need some signal framework
3308	# for this (global event?)	3624	# for this (global event?)
3309	%ext::player_env::MUSIC_FACE_CACHE = ();	3625	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3323	}	3639	}
3324		3640
3325	sub reload_archetypes {	3641	sub reload_archetypes {
3326	load_resource_file "$DATADIR/archetypes"	3642	load_resource_file "$DATADIR/archetypes"
3327	or die "unable to load archetypes\n";	3643	or die "unable to load archetypes\n";
3328	#d# NEED to laod twice to resolve forward references
3329	# this really needs to be done in an extra post-pass
3330	# (which needs to be synchronous, so solve it differently)
3331	load_resource_file "$DATADIR/archetypes"
3332	or die "unable to load archetypes\n";
3333	}	3644	}
3334		3645
3335	sub reload_treasures {	3646	sub reload_treasures {
3336	load_resource_file "$DATADIR/treasures"	3647	load_resource_file "$DATADIR/treasures"
3337	or die "unable to load treasurelists\n";	3648	or die "unable to load treasurelists\n";
3338	}	3649	}
3339		3650
		3651	sub reload_sound {
		3652	trace "loading sound config from $DATADIR/sound\n";
		3653
		3654	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3655
		3656	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3657	my $sound = $soundconf->{compat}[$_]
		3658	or next;
		3659
		3660	my $face = cf::face::find "sound/$sound->[1]";
		3661	cf::sound::set $sound->[0] => $face;
		3662	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3663	}
		3664
		3665	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3666	my $face = cf::face::find "sound/$v";
		3667	cf::sound::set $k => $face;
		3668	}
		3669	}
		3670
3340	sub reload_resources {	3671	sub reload_resources {
3341	warn "reloading resource files...\n";	3672	trace "reloading resource files...\n";
3342		3673
		3674	reload_exp_table;
		3675	reload_materials;
		3676	reload_facedata;
		3677	reload_sound;
		3678	reload_archetypes;
3343	reload_regions;	3679	reload_regions;
3344	reload_facedata;
3345	#reload_archetypes;#d#
3346	reload_archetypes;
3347	reload_treasures;	3680	reload_treasures;
3348		3681
3349	warn "finished reloading resource files\n";	3682	trace "finished reloading resource files\n";
3350	}
3351
3352	sub init {
3353	reload_resources;
3354	}	3683	}
3355		3684
3356	sub reload_config {	3685	sub reload_config {
3357	open my $fh, "<:utf8", "$CONFDIR/config"	3686	trace "reloading config file...\n";
3358	or return;
3359		3687
3360	local $/;	3688	my $config = load_file "$CONFDIR/config";
3361	*CFG = YAML::Load <$fh>;	3689	utf8::decode $config;
		3690	*CFG = decode_yaml $config;
3362		3691
3363	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3692	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3364		3693
3365	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3694	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3366	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3695	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3367		3696
3368	if (exists $CFG{mlockall}) {	3697	if (exists $CFG{mlockall}) {
…		…
3372	};	3701	};
3373	warn $@ if $@;	3702	warn $@ if $@;
3374	}	3703	}
3375	}	3704	}
3376		3705
		3706	sub pidfile() {
		3707	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3708	or die "$PIDFILE: $!";
		3709	flock $fh, &Fcntl::LOCK_EX
		3710	or die "$PIDFILE: flock: $!";
		3711	$fh
		3712	}
		3713
		3714	# make sure only one server instance is running at any one time
		3715	sub atomic {
		3716	my $fh = pidfile;
		3717
		3718	my $pid = <$fh>;
		3719	kill 9, $pid if $pid > 0;
		3720
		3721	seek $fh, 0, 0;
		3722	print $fh $$;
		3723	}
		3724
		3725	sub main_loop {
		3726	trace "EV::loop starting\n";
		3727	if (1) {
		3728	EV::loop;
		3729	}
		3730	trace "EV::loop returned\n";
		3731	goto &main_loop unless $REALLY_UNLOOP;
		3732	}
		3733
3377	sub main {	3734	sub main {
		3735	cf::init_globals; # initialise logging
		3736
		3737	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3738	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3739	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3740	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3741
		3742	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3743
3378	# we must not ever block the main coroutine	3744	# we must not ever block the main coroutine
3379	local $Coro::idle = sub {	3745	local $Coro::idle = sub {
3380	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3746	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3381	(async {	3747	(async {
3382	$Coro::current->{desc} = "IDLE BUG HANDLER";	3748	$Coro::current->{desc} = "IDLE BUG HANDLER";
3383	EV::loop EV::LOOP_ONESHOT;	3749	EV::loop EV::LOOP_ONESHOT;
3384	})->prio (Coro::PRIO_MAX);	3750	})->prio (Coro::PRIO_MAX);
3385	};	3751	};
3386		3752
3387	reload_config;
3388	db_init;
3389	load_extensions;
3390
3391	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3392	evthread_start IO::AIO::poll_fileno;	3753	evthread_start IO::AIO::poll_fileno;
3393	EV::loop;	3754
		3755	cf::sync_job {
		3756	cf::incloader::init ();
		3757
		3758	cf::init_anim;
		3759	cf::init_attackmess;
		3760	cf::init_dynamic;
		3761
		3762	cf::load_settings;
		3763
		3764	reload_resources;
		3765	reload_config;
		3766	db_init;
		3767
		3768	cf::init_uuid;
		3769	cf::init_signals;
		3770	cf::init_skills;
		3771
		3772	cf::init_beforeplay;
		3773
		3774	atomic;
		3775
		3776	load_extensions;
		3777
		3778	utime time, time, $RUNTIMEFILE;
		3779
		3780	# no (long-running) fork's whatsoever before this point(!)
		3781	use POSIX ();
		3782	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3783
		3784	cf::_post_init 0;
		3785	};
		3786
		3787	cf::object::thawer::errors_are_fatal 0;
		3788	info "parse errors in files are no longer fatal from this point on.\n";
		3789
		3790	AE::postpone {
		3791	undef &main; # free gobs of memory :)
		3792	};
		3793
		3794	goto &main_loop;
3394	}	3795	}
3395		3796
3396	#############################################################################	3797	#############################################################################
3397	# initialisation and cleanup	3798	# initialisation and cleanup
3398		3799
3399	# install some emergency cleanup handlers	3800	# install some emergency cleanup handlers
3400	BEGIN {	3801	BEGIN {
3401	our %SIGWATCHER = ();	3802	our %SIGWATCHER = ();
3402	for my $signal (qw(INT HUP TERM)) {	3803	for my $signal (qw(INT HUP TERM)) {
3403	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3804	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3404	cf::cleanup "SIG$signal";	3805	cf::cleanup "SIG$signal";
3405	};	3806	};
3406	}	3807	}
3407	}	3808	}
3408		3809
3409	sub write_runtime {	3810	sub write_runtime_sync {
3410	my $runtime = "$LOCALDIR/runtime";	3811	my $t0 = AE::time;
3411		3812
3412	# first touch the runtime file to show we are still running:	3813	# first touch the runtime file to show we are still running:
3413	# the fsync below can take a very very long time.	3814	# the fsync below can take a very very long time.
3414		3815
3415	IO::AIO::aio_utime $runtime, undef, undef;	3816	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3416		3817
3417	my $guard = cf::lock_acquire "write_runtime";	3818	my $guard = cf::lock_acquire "write_runtime";
3418		3819
3419	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3820	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3420	or return;	3821	or return;
3421		3822
3422	my $value = $cf::RUNTIME + 90 + 10;	3823	my $value = $cf::RUNTIME + 90 + 10;
3423	# 10 is the runtime save interval, for a monotonic clock	3824	# 10 is the runtime save interval, for a monotonic clock
3424	# 60 allows for the watchdog to kill the server.	3825	# 60 allows for the watchdog to kill the server.
…		…
3434	aio_utime $fh, undef, undef;	3835	aio_utime $fh, undef, undef;
3435		3836
3436	close $fh	3837	close $fh
3437	or return;	3838	or return;
3438		3839
3439	aio_rename "$runtime~", $runtime	3840	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3440	and return;	3841	and return;
3441		3842
3442	warn "runtime file written.\n";	3843	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3443		3844
3444	1	3845	1
3445	}	3846	}
3446		3847
3447	our $uuid_lock;	3848	our $uuid_lock;
…		…
3456	my $uuid = "$LOCALDIR/uuid";	3857	my $uuid = "$LOCALDIR/uuid";
3457		3858
3458	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3859	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3459	or return;	3860	or return;
3460		3861
3461	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3862	my $value = uuid_seq uuid_cur;
		3863
		3864	unless ($value) {
		3865	info "cowardly refusing to write zero uuid value!\n";
		3866	return;
		3867	}
		3868
		3869	my $value = uuid_str $value + $uuid_skip;
3462	$uuid_skip = 0;	3870	$uuid_skip = 0;
3463		3871
3464	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3872	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3465	and return;	3873	and return;
3466		3874
…		…
3472	or return;	3880	or return;
3473		3881
3474	aio_rename "$uuid~", $uuid	3882	aio_rename "$uuid~", $uuid
3475	and return;	3883	and return;
3476		3884
3477	warn "uuid file written ($value).\n";	3885	trace "uuid file written ($value).\n";
3478		3886
3479	1	3887	1
3480		3888
3481	}	3889	}
3482		3890
…		…
3488	}	3896	}
3489		3897
3490	sub emergency_save() {	3898	sub emergency_save() {
3491	my $freeze_guard = cf::freeze_mainloop;	3899	my $freeze_guard = cf::freeze_mainloop;
3492		3900
3493	warn "enter emergency perl save\n";	3901	info "emergency_perl_save: enter\n";
		3902
		3903	# this is a trade-off: we want to be very quick here, so
		3904	# save all maps without fsync, and later call a global sync
		3905	# (which in turn might be very very slow)
		3906	local $USE_FSYNC = 0;
3494		3907
3495	cf::sync_job {	3908	cf::sync_job {
		3909	cf::write_runtime_sync; # external watchdog should not bark
		3910
3496	# use a peculiar iteration method to avoid tripping on perl	3911	# use a peculiar iteration method to avoid tripping on perl
3497	# refcount bugs in for. also avoids problems with players	3912	# refcount bugs in for. also avoids problems with players
3498	# and maps saved/destroyed asynchronously.	3913	# and maps saved/destroyed asynchronously.
3499	warn "begin emergency player save\n";	3914	info "emergency_perl_save: begin player save\n";
3500	for my $login (keys %cf::PLAYER) {	3915	for my $login (keys %cf::PLAYER) {
3501	my $pl = $cf::PLAYER{$login} or next;	3916	my $pl = $cf::PLAYER{$login} or next;
3502	$pl->valid or next;	3917	$pl->valid or next;
3503	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3918	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3504	$pl->save;	3919	$pl->save;
3505	}	3920	}
3506	warn "end emergency player save\n";	3921	info "emergency_perl_save: end player save\n";
3507		3922
3508	warn "begin emergency map save\n";	3923	cf::write_runtime_sync; # external watchdog should not bark
		3924
		3925	info "emergency_perl_save: begin map save\n";
3509	for my $path (keys %cf::MAP) {	3926	for my $path (keys %cf::MAP) {
3510	my $map = $cf::MAP{$path} or next;	3927	my $map = $cf::MAP{$path} or next;
3511	$map->valid or next;	3928	$map->valid or next;
3512	$map->save;	3929	$map->save;
3513	}	3930	}
3514	warn "end emergency map save\n";	3931	info "emergency_perl_save: end map save\n";
3515		3932
3516	warn "begin emergency database checkpoint\n";	3933	cf::write_runtime_sync; # external watchdog should not bark
		3934
		3935	info "emergency_perl_save: begin database checkpoint\n";
3517	BDB::db_env_txn_checkpoint $DB_ENV;	3936	BDB::db_env_txn_checkpoint $DB_ENV;
3518	warn "end emergency database checkpoint\n";	3937	info "emergency_perl_save: end database checkpoint\n";
3519		3938
3520	warn "begin write uuid\n";	3939	info "emergency_perl_save: begin write uuid\n";
3521	write_uuid_sync 1;	3940	write_uuid_sync 1;
3522	warn "end write uuid\n";	3941	info "emergency_perl_save: end write uuid\n";
		3942
		3943	cf::write_runtime_sync; # external watchdog should not bark
		3944
		3945	trace "emergency_perl_save: syncing database to disk";
		3946	BDB::db_env_txn_checkpoint $DB_ENV;
		3947
		3948	info "emergency_perl_save: starting sync\n";
		3949	IO::AIO::aio_sync sub {
		3950	info "emergency_perl_save: finished sync\n";
		3951	};
		3952
		3953	cf::write_runtime_sync; # external watchdog should not bark
		3954
		3955	trace "emergency_perl_save: flushing outstanding aio requests";
		3956	while (IO::AIO::nreqs || BDB::nreqs) {
		3957	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3958	}
		3959
		3960	cf::write_runtime_sync; # external watchdog should not bark
3523	};	3961	};
3524		3962
3525	warn "leave emergency perl save\n";	3963	info "emergency_perl_save: leave\n";
3526	}	3964	}
3527		3965
3528	sub post_cleanup {	3966	sub post_cleanup {
3529	my ($make_core) = @_;	3967	my ($make_core) = @_;
3530		3968
		3969	IO::AIO::flush;
		3970
3531	warn Carp::longmess "post_cleanup backtrace"	3971	error Carp::longmess "post_cleanup backtrace"
3532	if $make_core;	3972	if $make_core;
		3973
		3974	my $fh = pidfile;
		3975	unlink $PIDFILE if <$fh> == $$;
		3976	}
		3977
		3978	# a safer delete_package, copied from Symbol
		3979	sub clear_package($) {
		3980	my $pkg = shift;
		3981
		3982	# expand to full symbol table name if needed
		3983	unless ($pkg =~ /^main::.*::$/) {
		3984	$pkg = "main$pkg" if $pkg =~ /^::/;
		3985	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3986	$pkg .= '::' unless $pkg =~ /::$/;
		3987	}
		3988
		3989	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3990	my $stem_symtab = *{$stem}{HASH};
		3991
		3992	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3993	or return;
		3994
		3995	# clear all symbols
		3996	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3997	for my $name (keys %$leaf_symtab) {
		3998	_gv_clear *{"$pkg$name"};
		3999	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4000	}
3533	}	4001	}
3534		4002
3535	sub do_reload_perl() {	4003	sub do_reload_perl() {
3536	# can/must only be called in main	4004	# can/must only be called in main
3537	if ($Coro::current != $Coro::main) {	4005	unless (in_main) {
3538	warn "can only reload from main coroutine";	4006	error "can only reload from main coroutine";
3539	return;	4007	return;
3540	}	4008	}
3541		4009
3542	warn "reloading...";	4010	return if $RELOAD++;
3543		4011
3544	warn "entering sync_job";	4012	my $t1 = AE::time;
3545		4013
		4014	while ($RELOAD) {
		4015	cf::get_slot 0.1, -1, "reload_perl";
		4016	info "perl_reload: reloading...";
		4017
		4018	trace "perl_reload: entering sync_job";
		4019
3546	cf::sync_job {	4020	cf::sync_job {
3547	cf::write_runtime; # external watchdog should not bark
3548	cf::emergency_save;	4021	#cf::emergency_save;
3549	cf::write_runtime; # external watchdog should not bark
3550		4022
3551	warn "syncing database to disk";
3552	BDB::db_env_txn_checkpoint $DB_ENV;
3553
3554	# if anything goes wrong in here, we should simply crash as we already saved
3555
3556	warn "flushing outstanding aio requests";
3557	for (;;) {
3558	BDB::flush;
3559	IO::AIO::flush;
3560	Coro::cede_notself;
3561	last unless IO::AIO::nreqs || BDB::nreqs;
3562	warn "iterate...";
3563	}
3564
3565	++$RELOAD;
3566
3567	warn "cancelling all extension coros";	4023	trace "perl_reload: cancelling all extension coros";
3568	$_->cancel for values %EXT_CORO;	4024	$_->cancel for values %EXT_CORO;
3569	%EXT_CORO = ();	4025	%EXT_CORO = ();
3570		4026
3571	warn "removing commands";	4027	trace "perl_reload: removing commands";
3572	%COMMAND = ();	4028	%COMMAND = ();
3573		4029
3574	warn "removing ext/exti commands";	4030	trace "perl_reload: removing ext/exti commands";
3575	%EXTCMD = ();	4031	%EXTCMD = ();
3576	%EXTICMD = ();	4032	%EXTICMD = ();
3577		4033
3578	warn "unloading/nuking all extensions";	4034	trace "perl_reload: unloading/nuking all extensions";
3579	for my $pkg (@EXTS) {	4035	for my $pkg (@EXTS) {
3580	warn "... unloading $pkg";	4036	trace "... unloading $pkg";
3581		4037
3582	if (my $cb = $pkg->can ("unload")) {	4038	if (my $cb = $pkg->can ("unload")) {
3583	eval {	4039	eval {
3584	$cb->($pkg);	4040	$cb->($pkg);
3585	1	4041	1
3586	} or warn "$pkg unloaded, but with errors: $@";	4042	} or error "$pkg unloaded, but with errors: $@";
		4043	}
		4044
		4045	trace "... clearing $pkg";
		4046	clear_package $pkg;
3587	}	4047	}
3588		4048
3589	warn "... nuking $pkg";
3590	Symbol::delete_package $pkg;
3591	}
3592
3593	warn "unloading all perl modules loaded from $LIBDIR";	4049	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3594	while (my ($k, $v) = each %INC) {	4050	while (my ($k, $v) = each %INC) {
3595	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4051	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3596		4052
3597	warn "... unloading $k";	4053	trace "... unloading $k";
3598	delete $INC{$k};	4054	delete $INC{$k};
3599		4055
3600	$k =~ s/\.pm$//;	4056	$k =~ s/\.pm$//;
3601	$k =~ s/\//::/g;	4057	$k =~ s/\//::/g;
3602		4058
3603	if (my $cb = $k->can ("unload_module")) {	4059	if (my $cb = $k->can ("unload_module")) {
3604	$cb->();	4060	$cb->();
		4061	}
		4062
		4063	clear_package $k;
3605	}	4064	}
3606		4065
3607	Symbol::delete_package $k;
3608	}
3609
3610	warn "getting rid of safe::, as good as possible";	4066	trace "perl_reload: getting rid of safe::, as good as possible";
3611	Symbol::delete_package "safe::$_"	4067	clear_package "safe::$_"
3612	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4068	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3613		4069
3614	warn "unloading cf.pm \"a bit\"";	4070	trace "perl_reload: unloading cf.pm \"a bit\"";
3615	delete $INC{"cf.pm"};	4071	delete $INC{"cf.pm"};
3616	delete $INC{"cf/pod.pm"};	4072	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3617		4073
3618	# don't, removes xs symbols, too,	4074	# don't, removes xs symbols, too,
3619	# and global variables created in xs	4075	# and global variables created in xs
3620	#Symbol::delete_package __PACKAGE__;	4076	#clear_package __PACKAGE__;
3621		4077
3622	warn "unload completed, starting to reload now";	4078	info "perl_reload: unload completed, starting to reload now";
3623		4079
3624	warn "reloading cf.pm";	4080	trace "perl_reload: reloading cf.pm";
3625	require cf;	4081	require cf;
3626	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4082	cf::_connect_to_perl_1;
3627		4083
3628	warn "loading config and database again";	4084	trace "perl_reload: loading config and database again";
3629	cf::reload_config;	4085	cf::reload_config;
3630		4086
3631	warn "loading extensions";	4087	trace "perl_reload: loading extensions";
3632	cf::load_extensions;	4088	cf::load_extensions;
3633		4089
		4090	if ($REATTACH_ON_RELOAD) {
3634	warn "reattaching attachments to objects/players";	4091	trace "perl_reload: reattaching attachments to objects/players";
3635	_global_reattach; # objects, sockets	4092	_global_reattach; # objects, sockets
3636	warn "reattaching attachments to maps";	4093	trace "perl_reload: reattaching attachments to maps";
3637	reattach $_ for values %MAP;	4094	reattach $_ for values %MAP;
3638	warn "reattaching attachments to players";	4095	trace "perl_reload: reattaching attachments to players";
3639	reattach $_ for values %PLAYER;	4096	reattach $_ for values %PLAYER;
		4097	}
3640		4098
3641	warn "leaving sync_job";	4099	cf::_post_init 1;
3642		4100
		4101	trace "perl_reload: leaving sync_job";
		4102
3643	1	4103	1
3644	} or do {	4104	} or do {
3645	warn $@;	4105	error $@;
3646	cf::cleanup "error while reloading, exiting.";	4106	cf::cleanup "perl_reload: error, exiting.";
		4107	};
		4108
		4109	--$RELOAD;
3647	};	4110	}
3648		4111
3649	warn "reloaded";	4112	$t1 = AE::time - $t1;
		4113	info "perl_reload: completed in ${t1}s\n";
3650	};	4114	};
3651		4115
3652	our $RELOAD_WATCHER; # used only during reload	4116	our $RELOAD_WATCHER; # used only during reload
3653		4117
3654	sub reload_perl() {	4118	sub reload_perl() {
3655	# doing reload synchronously and two reloads happen back-to-back,	4119	# doing reload synchronously and two reloads happen back-to-back,
3656	# coro crashes during coro_state_free->destroy here.	4120	# coro crashes during coro_state_free->destroy here.
3657		4121
		4122	$RELOAD_WATCHER ||= cf::async {
		4123	Coro::AIO::aio_wait cache_extensions;
		4124
3658	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4125	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3659	do_reload_perl;	4126	do_reload_perl;
3660	undef $RELOAD_WATCHER;	4127	undef $RELOAD_WATCHER;
		4128	};
3661	};	4129	};
3662	}	4130	}
3663		4131
3664	register_command "reload" => sub {	4132	register_command "reload" => sub {
3665	my ($who, $arg) = @_;	4133	my ($who, $arg) = @_;
…		…
3671	reload_perl;	4139	reload_perl;
3672	};	4140	};
3673	}	4141	}
3674	};	4142	};
3675		4143
3676	unshift @INC, $LIBDIR;	4144	#############################################################################
3677		4145
3678	my $bug_warning = 0;	4146	my $bug_warning = 0;
3679		4147
3680	our @WAIT_FOR_TICK;
3681	our @WAIT_FOR_TICK_BEGIN;
3682
3683	sub wait_for_tick {	4148	sub wait_for_tick() {
3684	return if tick_inhibit;	4149	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3685	return if $Coro::current == $Coro::main;
3686		4150
3687	my $signal = new Coro::Signal;	4151	$WAIT_FOR_TICK->wait;
3688	push @WAIT_FOR_TICK, $signal;
3689	$signal->wait;
3690	}	4152	}
3691		4153
3692	sub wait_for_tick_begin {	4154	sub wait_for_tick_begin() {
3693	return if tick_inhibit;	4155	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3694	return if $Coro::current == $Coro::main;
3695		4156
3696	my $signal = new Coro::Signal;	4157	my $signal = new Coro::Signal;
3697	push @WAIT_FOR_TICK_BEGIN, $signal;	4158	push @WAIT_FOR_TICK_BEGIN, $signal;
3698	$signal->wait;	4159	$signal->wait;
3699	}	4160	}
…		…
3703	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4164	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3704	unless ++$bug_warning > 10;	4165	unless ++$bug_warning > 10;
3705	return;	4166	return;
3706	}	4167	}
3707		4168
3708	cf::server_tick; # one server iteration	4169	cf::one_tick; # one server iteration
		4170
		4171	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3709		4172
3710	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4173	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3711	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4174	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3712	Coro::async_pool {	4175	Coro::async_pool {
3713	$Coro::current->{desc} = "runtime saver";	4176	$Coro::current->{desc} = "runtime saver";
3714	write_runtime	4177	write_runtime_sync
3715	or warn "ERROR: unable to write runtime file: $!";	4178	or error "ERROR: unable to write runtime file: $!";
3716	};	4179	};
3717	}	4180	}
3718		4181
3719	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4182	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3720	$sig->send;	4183	$sig->send;
3721	}	4184	}
3722	while (my $sig = shift @WAIT_FOR_TICK) {	4185	$WAIT_FOR_TICK->broadcast;
3723	$sig->send;
3724	}
3725		4186
3726	$LOAD = ($NOW - $TICK_START) / $TICK;	4187	$LOAD = ($NOW - $TICK_START) / $TICK;
3727	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4188	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3728		4189
3729	if (0) {	4190	if (0) {
3730	if ($NEXT_TICK) {	4191	if ($NEXT_TICK) {
3731	my $jitter = $TICK_START - $NEXT_TICK;	4192	my $jitter = $TICK_START - $NEXT_TICK;
3732	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4193	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3733	warn "jitter $JITTER\n";#d#	4194	debug "jitter $JITTER\n";#d#
3734	}	4195	}
3735	}	4196	}
3736	}	4197	}
3737		4198
3738	{	4199	{
3739	# configure BDB	4200	# configure BDB
3740		4201
3741	BDB::min_parallel 8;	4202	BDB::min_parallel 16;
3742	BDB::max_poll_reqs $TICK * 0.1;	4203	BDB::max_poll_reqs $TICK * 0.1;
3743	$Coro::BDB::WATCHER->priority (1);	4204	#$AnyEvent::BDB::WATCHER->priority (1);
3744		4205
3745	unless ($DB_ENV) {	4206	unless ($DB_ENV) {
3746	$DB_ENV = BDB::db_env_create;	4207	$DB_ENV = BDB::db_env_create;
3747	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4208	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3748	| BDB::LOG_AUTOREMOVE, 1);	4209	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4210	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3749	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4211	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3750	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4212	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3751		4213
3752	cf::sync_job {	4214	cf::sync_job {
3753	eval {	4215	eval {
…		…
3779	{	4241	{
3780	# configure IO::AIO	4242	# configure IO::AIO
3781		4243
3782	IO::AIO::min_parallel 8;	4244	IO::AIO::min_parallel 8;
3783	IO::AIO::max_poll_time $TICK * 0.1;	4245	IO::AIO::max_poll_time $TICK * 0.1;
3784	$Coro::AIO::WATCHER->priority (1);	4246	undef $AnyEvent::AIO::WATCHER;
3785	}	4247	}
3786		4248
3787	my $_log_backtrace;	4249	our $_log_backtrace;
		4250	our $_log_backtrace_last;
3788		4251
3789	sub _log_backtrace {	4252	sub _log_backtrace {
3790	my ($msg, @addr) = @_;	4253	my ($msg, @addr) = @_;
3791		4254
3792	$msg =~ s/\n//;	4255	$msg =~ s/\n$//;
3793		4256
		4257	if ($_log_backtrace_last eq $msg) {
		4258	LOG llevInfo, "[ABT] $msg\n";
		4259	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3794	# limit the # of concurrent backtraces	4260	# limit the # of concurrent backtraces
3795	if ($_log_backtrace < 2) {	4261	} elsif ($_log_backtrace < 2) {
		4262	$_log_backtrace_last = $msg;
3796	++$_log_backtrace;	4263	++$_log_backtrace;
		4264	my $perl_bt = Carp::longmess $msg;
3797	async {	4265	async {
3798	$Coro::current->{desc} = "abt $msg";	4266	$Coro::current->{desc} = "abt $msg";
3799		4267
3800	my @bt = fork_call {	4268	my @bt = fork_call {
3801	@addr = map { sprintf "%x", $_ } @addr;	4269	@addr = map { sprintf "%x", $_ } @addr;
…		…
3812	}	4280	}
3813		4281
3814	@funcs	4282	@funcs
3815	};	4283	};
3816		4284
3817	LOG llevInfo, "[ABT] $msg\n";	4285	LOG llevInfo, "[ABT] $perl_bt\n";
		4286	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3818	LOG llevInfo, "[ABT] $_\n" for @bt;	4287	LOG llevInfo, "[ABT] $_\n" for @bt;
3819	--$_log_backtrace;	4288	--$_log_backtrace;
3820	};	4289	};
3821	} else {	4290	} else {
3822	LOG llevInfo, "[ABT] $msg\n";	4291	LOG llevInfo, "[ABT] $msg\n";
3823	LOG llevInfo, "[ABT] [suppressed]\n";	4292	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3824	}	4293	}
3825	}	4294	}
3826		4295
3827	# load additional modules	4296	# load additional modules
3828	use cf::pod;	4297	require "cf/$_.pm" for @EXTRA_MODULES;
		4298	cf::_connect_to_perl_2;
3829		4299
3830	END { cf::emergency_save }	4300	END { cf::emergency_save }
3831		4301
3832	1	4302	1
3833		4303

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