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Revision 1.412 by root, Wed Apr 2 11:13:55 2008 UTC vs.
Revision 1.585 by root, Tue Oct 30 20:18:00 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 1.86;	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 4.32 ();	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	)
		759	}
		760
		761	=item $coin = coin_from_name $name
		762
		763	=cut
		764
		765	our %coin_alias = (
		766	"silver" => "silvercoin",
		767	"silvercoin" => "silvercoin",
		768	"silvercoins" => "silvercoin",
		769	"gold" => "goldcoin",
		770	"goldcoin" => "goldcoin",
		771	"goldcoins" => "goldcoin",
		772	"platinum" => "platinacoin",
		773	"platinumcoin" => "platinacoin",
		774	"platinumcoins" => "platinacoin",
		775	"platina" => "platinacoin",
		776	"platinacoin" => "platinacoin",
		777	"platinacoins" => "platinacoin",
		778	"royalty" => "royalty",
		779	"royalties" => "royalty",
		780	);
		781
		782	sub coin_from_name($) {
		783	$coin_alias{$_[0]}
		784	? cf::arch::find $coin_alias{$_[0]}
		785	: undef
552	}	786	}
553		787
554	=item $value = cf::db_get $family => $key	788	=item $value = cf::db_get $family => $key
555		789
556	Returns a single value from the environment database.	790	Returns a single value from the environment database.
…		…
566	within each server.	800	within each server.
567		801
568	=cut	802	=cut
569		803
570	sub db_table($) {	804	sub db_table($) {
		805	cf::error "db_get called from main context"
		806	if $Coro::current == $Coro::main;
		807
571	my ($name) = @_;	808	my ($name) = @_;
572	my $db = BDB::db_create $DB_ENV;	809	my $db = BDB::db_create $DB_ENV;
573		810
574	eval {	811	eval {
575	$db->set_flags (BDB::CHKSUM);	812	$db->set_flags (BDB::CHKSUM);
…		…
585	}	822	}
586		823
587	our $DB;	824	our $DB;
588		825
589	sub db_init {	826	sub db_init {
590	cf::sync_job {
591	$DB ||= db_table "db";	827	$DB ||= db_table "db";
592	};
593	}	828	}
594		829
595	sub db_get($$) {	830	sub db_get($$) {
596	my $key = "$_[0]/$_[1]";	831	my $key = "$_[0]/$_[1]";
597		832
598	cf::sync_job {	833	cf::error "db_get called from main context"
		834	if $Coro::current == $Coro::main;
		835
599	BDB::db_get $DB, undef, $key, my $data;	836	BDB::db_get $DB, undef, $key, my $data;
600		837
601	$! ? ()	838	$! ? ()
602	: $data	839	: $data
603	}
604	}	840	}
605		841
606	sub db_put($$$) {	842	sub db_put($$$) {
607	BDB::dbreq_pri 4;	843	BDB::dbreq_pri 4;
608	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	844	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
636		872
637	my @data;	873	my @data;
638	my $md5;	874	my $md5;
639		875
640	for (0 .. $#$src) {	876	for (0 .. $#$src) {
641	0 <= aio_load $src->[$_], $data[$_]	877	$data[$_] = load_file $src->[$_];
642	or Carp::croak "$src->[$_]: $!";
643	}	878	}
644		879
645	# if processing is expensive, check	880	# if processing is expensive, check
646	# checksum first	881	# checksum first
647	if (1) {	882	if (1) {
…		…
664		899
665	my $t1 = Time::HiRes::time;	900	my $t1 = Time::HiRes::time;
666	my $data = $process->(\@data);	901	my $data = $process->(\@data);
667	my $t2 = Time::HiRes::time;	902	my $t2 = Time::HiRes::time;
668		903
669	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	904	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
670		905
671	db_put cache => "$id/data", $data;	906	db_put cache => "$id/data", $data;
672	db_put cache => "$id/md5" , $md5;	907	db_put cache => "$id/md5" , $md5;
673	db_put cache => "$id/meta", $meta;	908	db_put cache => "$id/meta", $meta;
674		909
…		…
684		919
685	=cut	920	=cut
686		921
687	sub datalog($@) {	922	sub datalog($@) {
688	my ($type, %kv) = @_;	923	my ($type, %kv) = @_;
689	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	924	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
690	}	925	}
691		926
692	=back	927	=back
693		928
694	=cut	929	=cut
695		930
696	#############################################################################	931	#############################################################################
697		932
698	=head2 ATTACHABLE OBJECTS	933	=head2 ATTACHABLE OBJECTS
699		934
700	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
701	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")
702	to it. All such attachable objects support the following methods.	937	to it. All such attachable objects support the following methods.
703		938
704	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>
705	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
…		…
755	=item cf::CLASS::attachment $name, ...	990	=item cf::CLASS::attachment $name, ...
756		991
757	Register an attachment by C<$name> through which attachable objects of the	992	Register an attachment by C<$name> through which attachable objects of the
758	given CLASS can refer to this attachment.	993	given CLASS can refer to this attachment.
759		994
760	Some classes such as crossfire maps and objects can specify attachments	995	Some classes such as deliantra maps and objects can specify attachments
761	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.
762		997
763	These calls expect any number of the following handler/hook descriptions:	998	These calls expect any number of the following handler/hook descriptions:
764		999
765	=over 4	1000	=over 4
…		…
889		1124
890	} elsif (exists $cb_id{$type}) {	1125	} elsif (exists $cb_id{$type}) {
891	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1126	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
892		1127
893	} elsif (ref $type) {	1128	} elsif (ref $type) {
894	warn "attaching objects not supported, ignoring.\n";	1129	error "attaching objects not supported, ignoring.\n";
895		1130
896	} else {	1131	} else {
897	shift @arg;	1132	shift @arg;
898	warn "attach argument '$type' not supported, ignoring.\n";	1133	error "attach argument '$type' not supported, ignoring.\n";
899	}	1134	}
900	}	1135	}
901	}	1136	}
902		1137
903	sub _object_attach {	1138	sub _object_attach {
…		…
913	_attach $registry, $klass, @attach;	1148	_attach $registry, $klass, @attach;
914	}	1149	}
915		1150
916	$obj->{$name} = \%arg;	1151	$obj->{$name} = \%arg;
917	} else {	1152	} else {
918	warn "object uses attachment '$name' which is not available, postponing.\n";	1153	info "object uses attachment '$name' which is not available, postponing.\n";
919	}	1154	}
920		1155
921	$obj->{_attachment}{$name} = undef;	1156	$obj->{_attachment}{$name} = undef;
922	}	1157	}
923		1158
…		…
982		1217
983	for (@$callbacks) {	1218	for (@$callbacks) {
984	eval { &{$_->[1]} };	1219	eval { &{$_->[1]} };
985		1220
986	if ($@) {	1221	if ($@) {
987	warn "$@";
988	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1222	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
989	override;	1223	override;
990	}	1224	}
991		1225
992	return 1 if $override;	1226	return 1 if $override;
993	}	1227	}
…		…
1056		1290
1057	sub reattach {	1291	sub reattach {
1058	# basically do the same as instantiate, without calling instantiate	1292	# basically do the same as instantiate, without calling instantiate
1059	my ($obj) = @_;	1293	my ($obj) = @_;
1060		1294
		1295	# no longer needed after getting rid of delete_package?
1061	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
1062		1297
1063	my $registry = $obj->registry;	1298	my $registry = $obj->registry;
1064		1299
1065	@$registry = ();	1300	@$registry = ();
1066		1301
…		…
1071	for (@$attach) {	1306	for (@$attach) {
1072	my ($klass, @attach) = @$_;	1307	my ($klass, @attach) = @$_;
1073	_attach $registry, $klass, @attach;	1308	_attach $registry, $klass, @attach;
1074	}	1309	}
1075	} else {	1310	} else {
1076	warn "object uses attachment '$name' that is not available, postponing.\n";	1311	info "object uses attachment '$name' that is not available, postponing.\n";
1077	}	1312	}
1078	}	1313	}
1079	}	1314	}
1080		1315
1081	cf::attachable->attach (	1316	cf::attachable->attach (
…		…
1108	my ($filename, $rdata, $objs) = @_;	1343	my ($filename, $rdata, $objs) = @_;
1109		1344
1110	sync_job {	1345	sync_job {
1111	if (length $$rdata) {	1346	if (length $$rdata) {
1112	utf8::decode (my $decname = $filename);	1347	utf8::decode (my $decname = $filename);
1113	warn sprintf "saving %s (%d,%d)\n",	1348	trace sprintf "saving %s (%d,%d)\n",
1114	$decname, length $$rdata, scalar @$objs;	1349	$decname, length $$rdata, scalar @$objs
		1350	if $VERBOSE_IO;
1115		1351
1116	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1352	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1117	chmod SAVE_MODE, $fh;	1353	aio_chmod $fh, SAVE_MODE;
1118	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1354	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1119	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	}
1120	close $fh;	1359	aio_close $fh;
1121		1360
1122	if (@$objs) {	1361	if (@$objs) {
1123	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) {
1124	chmod SAVE_MODE, $fh;	1363	aio_chmod $fh, SAVE_MODE;
1125	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1364	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1126	aio_write $fh, 0, (length $data), $data, 0;	1365	aio_write $fh, 0, (length $data), $data, 0;
1127	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	}
1128	close $fh;	1370	aio_close $fh;
1129	aio_rename "$filename.pst~", "$filename.pst";	1371	aio_rename "$filename.pst~", "$filename.pst";
1130	}	1372	}
1131	} else {	1373	} else {
1132	aio_unlink "$filename.pst";	1374	aio_unlink "$filename.pst";
1133	}	1375	}
1134		1376
1135	aio_rename "$filename~", $filename;	1377	aio_rename "$filename~", $filename;
		1378
		1379	$filename =~ s%/[^/]+$%%;
		1380	aio_pathsync $filename if $cf::USE_FSYNC;
1136	} else {	1381	} else {
1137	warn "FATAL: $filename~: $!\n";	1382	error "unable to save objects: $filename~: $!\n";
1138	}	1383	}
1139	} else {	1384	} else {
1140	aio_unlink $filename;	1385	aio_unlink $filename;
1141	aio_unlink "$filename.pst";	1386	aio_unlink "$filename.pst";
1142	}	1387	}
…		…
1166	my $st = eval { Coro::Storable::thaw $av };	1411	my $st = eval { Coro::Storable::thaw $av };
1167	$av = $st->{objs};	1412	$av = $st->{objs};
1168	}	1413	}
1169		1414
1170	utf8::decode (my $decname = $filename);	1415	utf8::decode (my $decname = $filename);
1171	warn sprintf "loading %s (%d,%d)\n",	1416	trace sprintf "loading %s (%d,%d)\n",
1172	$decname, length $data, scalar @{$av || []};	1417	$decname, length $data, scalar @{$av || []}
		1418	if $VERBOSE_IO;
1173		1419
1174	($data, $av)	1420	($data, $av)
1175	}	1421	}
1176		1422
1177	=head2 COMMAND CALLBACKS	1423	=head2 COMMAND CALLBACKS
…		…
1233	my ($name, $cb) = @_;	1479	my ($name, $cb) = @_;
1234		1480
1235	$EXTICMD{$name} = $cb;	1481	$EXTICMD{$name} = $cb;
1236	}	1482	}
1237		1483
		1484	use File::Glob ();
		1485
1238	cf::player->attach (	1486	cf::player->attach (
1239	on_command => sub {	1487	on_unknown_command => sub {
1240	my ($pl, $name, $params) = @_;	1488	my ($pl, $name, $params) = @_;
1241		1489
1242	my $cb = $COMMAND{$name}	1490	my $cb = $COMMAND{$name}
1243	or return;	1491	or return;
1244		1492
…		…
1252	my ($pl, $buf) = @_;	1500	my ($pl, $buf) = @_;
1253		1501
1254	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1502	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1255		1503
1256	if (ref $msg) {	1504	if (ref $msg) {
1257	my ($type, $reply, @payload) =	1505	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1258	"ARRAY" eq ref $msg
1259	? @$msg
1260	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1261		1506
1262	my @reply;	1507	my @reply;
1263		1508
1264	if (my $cb = $EXTCMD{$type}) {	1509	if (my $cb = $EXTCMD{$type}) {
1265	@reply = $cb->($pl, @payload);	1510	@reply = $cb->($pl, @payload);
…		…
1267		1512
1268	$pl->ext_reply ($reply, @reply)	1513	$pl->ext_reply ($reply, @reply)
1269	if $reply;	1514	if $reply;
1270		1515
1271	} else {	1516	} else {
1272	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1517	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1273	}	1518	}
1274		1519
1275	cf::override;	1520	cf::override;
1276	},	1521	},
1277	);	1522	);
1278		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
1279	sub load_extensions {	1548	sub load_extensions {
		1549	info "loading extensions...";
		1550
		1551	%EXT_CFG = ();
		1552
1280	cf::sync_job {	1553	cf::sync_job {
1281	my %todo;	1554	my %todo;
1282		1555
1283	for my $path (<$LIBDIR/*.ext>) {	1556	for my $path (<$LIBDIR/*.ext>) {
1284	next unless -r $path;	1557	next unless -r $path;
…		…
1302		1575
1303	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1576	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1304	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1577	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1305		1578
1306	$ext{source} =	1579	$ext{source} =
1307	"package $pkg; use strict; use utf8;\n"	1580	"package $pkg; use common::sense;\n"
1308	. "#line 1 \"$path\"\n{\n"	1581	. "#line 1 \"$path\"\n{\n"
1309	. $source	1582	. $source
1310	. "\n};\n1";	1583	. "\n};\n1";
1311		1584
1312	$todo{$base} = \%ext;	1585	$todo{$base} = \%ext;
1313	}	1586	}
1314		1587
		1588	my $pass = 0;
1315	my %done;	1589	my %done;
1316	while (%todo) {	1590	while (%todo) {
1317	my $progress;	1591	my $progress;
1318		1592
		1593	++$pass;
		1594
		1595	ext:
1319	while (my ($k, $v) = each %todo) {	1596	while (my ($k, $v) = each %todo) {
1320	for (split /,\s*/, $v->{meta}{depends}) {	1597	for (split /,\s*/, $v->{meta}{depends}) {
1321	goto skip	1598	next ext
1322	unless exists $done{$_};	1599	unless exists $done{$_};
1323	}	1600	}
1324		1601
1325	warn "... loading '$k' into '$v->{pkg}'\n";	1602	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1326		1603
1327	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 $@) {
1328	my $msg = $@ ? "$v->{path}: $@\n"	1616	error "$v->{path}: $@\n";
1329	: "$v->{base}: extension inactive.\n";
1330		1617
1331	if (exists $v->{meta}{mandatory}) {
1332	warn $msg;
1333	cf::cleanup "mandatory extension failed to load, exiting.";	1618	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1334	}	1619	if exists $v->{meta}{mandatory};
1335		1620
1336	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;
1337	}	1630	}
1338
1339	$done{$k} = delete $todo{$k};
1340	push @EXTS, $v->{pkg};
1341	$progress = 1;
1342	}	1631	}
1343		1632
1344	skip:	1633	unless ($progress) {
1345	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1634	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1346	unless $progress;	1635
		1636	while (my ($k, $v) = each %todo) {
		1637	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1638	if exists $v->{meta}{mandatory};
		1639	}
		1640
		1641	last;
		1642	}
1347	}	1643	}
1348	};	1644	};
1349	}	1645	}
1350		1646
1351	#############################################################################	1647	#############################################################################
1352		1648
1353	=back	1649	=back
1354		1650
1355	=head2 CORE EXTENSIONS	1651	=head2 CORE EXTENSIONS
1356		1652
1357	Functions and methods that extend core crossfire objects.	1653	Functions and methods that extend core deliantra objects.
1358		1654
1359	=cut	1655	=cut
1360		1656
1361	package cf::player;	1657	package cf::player;
1362		1658
…		…
1405		1701
1406	sub exists($) {	1702	sub exists($) {
1407	my ($login) = @_;	1703	my ($login) = @_;
1408		1704
1409	$cf::PLAYER{$login}	1705	$cf::PLAYER{$login}
1410	or cf::sync_job { !aio_stat path $login }	1706	or !aio_stat path $login
1411	}	1707	}
1412		1708
1413	sub find($) {	1709	sub find($) {
1414	return $cf::PLAYER{$_[0]} || do {	1710	return $cf::PLAYER{$_[0]} || do {
1415	my $login = $_[0];	1711	my $login = $_[0];
…		…
1427	my $f = new_from_file cf::object::thawer path $login	1723	my $f = new_from_file cf::object::thawer path $login
1428	or return;	1724	or return;
1429		1725
1430	my $pl = cf::player::load_pl $f	1726	my $pl = cf::player::load_pl $f
1431	or return;	1727	or return;
		1728
1432	local $cf::PLAYER_LOADING{$login} = $pl;	1729	local $cf::PLAYER_LOADING{$login} = $pl;
1433	$f->resolve_delayed_derefs;	1730	$f->resolve_delayed_derefs;
1434	$cf::PLAYER{$login} = $pl	1731	$cf::PLAYER{$login} = $pl
1435	}	1732	}
1436	}	1733	}
1437	}	1734	}
1438		1735
		1736	cf::player->attach (
		1737	on_load => sub {
		1738	my ($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
1439	sub save($) {	1749	sub save($) {
1440	my ($pl) = @_;	1750	my ($pl) = @_;
1441		1751
1442	return if $pl->{deny_save};	1752	return if $pl->{deny_save};
1443		1753
…		…
1446		1756
1447	return if $pl->{deny_save};	1757	return if $pl->{deny_save};
1448		1758
1449	aio_mkdir playerdir $pl, 0770;	1759	aio_mkdir playerdir $pl, 0770;
1450	$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];
1451		1766
1452	$pl->save_pl ($path);	1767	$pl->save_pl ($path);
1453	cf::cede_to_tick;	1768	cf::cede_to_tick;
1454	}	1769	}
1455		1770
…		…
1487	my ($pl) = @_;	1802	my ($pl) = @_;
1488		1803
1489	my $name = $pl->ob->name;	1804	my $name = $pl->ob->name;
1490		1805
1491	$pl->{deny_save} = 1;	1806	$pl->{deny_save} = 1;
1492	$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
1493		1808
1494	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1809	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1495	$pl->deactivate;	1810	$pl->deactivate;
		1811
		1812	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1496	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1813	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1814	ext::highscore::check ($pl->ob);
		1815
1497	$pl->ns->destroy if $pl->ns;	1816	$pl->ns->destroy if $pl->ns;
1498		1817
1499	my $path = playerdir $pl;	1818	my $path = playerdir $pl;
1500	my $temp = "$path~$cf::RUNTIME~deleting~";	1819	my $temp = "$path~$cf::RUNTIME~deleting~";
1501	aio_rename $path, $temp;	1820	aio_rename $path, $temp;
…		…
1539		1858
1540	for my $login (@$dirs) {	1859	for my $login (@$dirs) {
1541	my $path = path $login;	1860	my $path = path $login;
1542		1861
1543	# a .pst is a dead give-away for a valid player	1862	# a .pst is a dead give-away for a valid player
1544	unless (-e "$path.pst") {	1863	# if no pst file found, open and chekc for blocked users
		1864	if (aio_stat "$path.pst") {
1545	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1865	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1546	aio_read $fh, 0, 512, my $buf, 0 or next;	1866	aio_read $fh, 0, 512, my $buf, 0 or next;
1547	$buf !~ /^password -------------$/m or next; # official not-valid tag	1867	$buf !~ /^password -------------$/m or next; # official not-valid tag
1548	}	1868	}
1549		1869
…		…
1553		1873
1554	\@logins	1874	\@logins
1555	}	1875	}
1556		1876
1557	=item $player->maps	1877	=item $player->maps
		1878
		1879	=item cf::player::maps $login
1558		1880
1559	Returns an arrayref of map paths that are private for this	1881	Returns an arrayref of map paths that are private for this
1560	player. May block.	1882	player. May block.
1561		1883
1562	=cut	1884	=cut
…		…
1580	}	1902	}
1581		1903
1582	\@paths	1904	\@paths
1583	}	1905	}
1584		1906
1585	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1907	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1586		1908
1587	Expand crossfire pod fragments into protocol xml.	1909	Expand deliantra pod fragments into protocol xml.
1588
1589	=cut
1590
1591	use re 'eval';
1592
1593	my $group;
1594	my $interior; $interior = qr{
1595	# match a pod interior sequence sans C<< >>
1596	(?:
1597	\ (.*?)\ (?{ $group = $^N })
1598	| < (??{$interior}) >
1599	)
1600	}x;
1601
1602	sub expand_cfpod {
1603	my ($self, $pod) = @_;
1604
1605	my $xml;
1606
1607	while () {
1608	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1609	$group = $1;
1610
1611	$group =~ s/&/&amp;/g;
1612	$group =~ s/</&lt;/g;
1613
1614	$xml .= $group;
1615	} elsif ($pod =~ m%\G
1616	([BCGHITU])
1617	<
1618	(?:
1619	([^<>]*) (?{ $group = $^N })
1620	| < $interior >
1621	)
1622	>
1623	%gcsx
1624	) {
1625	my ($code, $data) = ($1, $group);
1626
1627	if ($code eq "B") {
1628	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1629	} elsif ($code eq "I") {
1630	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1631	} elsif ($code eq "U") {
1632	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1633	} elsif ($code eq "C") {
1634	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1635	} elsif ($code eq "T") {
1636	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1637	} elsif ($code eq "G") {
1638	my ($male, $female) = split /\|/, $data;
1639	$data = $self->gender ? $female : $male;
1640	$xml .= expand_cfpod ($self, $data);
1641	} elsif ($code eq "H") {
1642	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1643	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1644	"")
1645	[$self->{hintmode}];
1646	} else {
1647	$xml .= "error processing '$code($data)' directive";
1648	}
1649	} else {
1650	if ($pod =~ /\G(.+)/) {
1651	warn "parse error while expanding $pod (at $1)";
1652	}
1653	last;
1654	}
1655	}
1656
1657	for ($xml) {
1658	# create single paragraphs (very hackish)
1659	s/(?<=\S)\n(?=\w)/ /g;
1660
1661	# compress some whitespace
1662	s/\s+\n/\n/g; # ws line-ends
1663	s/\n\n+/\n/g; # double lines
1664	s/^\n+//; # beginning lines
1665	s/\n+$//; # ending lines
1666	}
1667
1668	$xml
1669	}
1670
1671	no re 'eval';
1672
1673	sub hintmode {
1674	$_[0]{hintmode} = $_[1] if @_ > 1;
1675	$_[0]{hintmode}
1676	}
1677		1910
1678	=item $player->ext_reply ($msgid, @msg)	1911	=item $player->ext_reply ($msgid, @msg)
1679		1912
1680	Sends an ext reply to the player.	1913	Sends an ext reply to the player.
1681		1914
…		…
1713		1946
1714	=cut	1947	=cut
1715		1948
1716	sub find_by_path($) {	1949	sub find_by_path($) {
1717	my ($path) = @_;	1950	my ($path) = @_;
		1951
		1952	$path =~ s/^~[^\/]*//; # skip ~login
1718		1953
1719	my ($match, $specificity);	1954	my ($match, $specificity);
1720		1955
1721	for my $region (list) {	1956	for my $region (list) {
1722	if ($region->{match} && $path =~ $region->{match}) {	1957	if ($region->{match} && $path =~ $region->{match}) {
…		…
1748	our $MAX_RESET = 3600;	1983	our $MAX_RESET = 3600;
1749	our $DEFAULT_RESET = 3000;	1984	our $DEFAULT_RESET = 3000;
1750		1985
1751	sub generate_random_map {	1986	sub generate_random_map {
1752	my ($self, $rmp) = @_;	1987	my ($self, $rmp) = @_;
1753	# mit "rum" bekleckern, nicht	1988
		1989	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1990
1754	$self->_create_random_map (	1991	$self->_create_random_map ($rmp);
1755	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1756	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1757	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1758	$rmp->{exit_on_final_map},
1759	$rmp->{xsize}, $rmp->{ysize},
1760	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1761	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1762	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1763	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1764	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1765	(cf::region::find $rmp->{region}), $rmp->{custom}
1766	)
1767	}	1992	}
1768		1993
1769	=item cf::map->register ($regex, $prio)	1994	=item cf::map->register ($regex, $prio)
1770		1995
1771	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
…		…
1776		2001
1777	sub register {	2002	sub register {
1778	my (undef, $regex, $prio) = @_;	2003	my (undef, $regex, $prio) = @_;
1779	my $pkg = caller;	2004	my $pkg = caller;
1780		2005
1781	no strict;
1782	push @{"$pkg\::ISA"}, __PACKAGE__;	2006	push @{"$pkg\::ISA"}, __PACKAGE__;
1783		2007
1784	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2008	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1785	}	2009	}
1786		2010
1787	# also paths starting with '/'	2011	# also paths starting with '/'
1788	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2012	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1789		2013
1790	sub thawer_merge {	2014	sub thawer_merge {
1791	my ($self, $merge) = @_;	2015	my ($self, $merge) = @_;
1792		2016
1793	# we have to keep some variables in memory intact	2017	# we have to keep some variables in memory intact
…		…
1798	}	2022	}
1799		2023
1800	sub normalise {	2024	sub normalise {
1801	my ($path, $base) = @_;	2025	my ($path, $base) = @_;
1802		2026
1803	$path = "$path"; # make sure its a string	2027	$path = "$path"; # make sure it's a string
1804		2028
1805	$path =~ s/\.map$//;	2029	$path =~ s/\.map$//;
1806		2030
1807	# map plan:	2031	# map plan:
1808	#	2032	#
…		…
1823	$base =~ s{[^/]+/?$}{};	2047	$base =~ s{[^/]+/?$}{};
1824	$path = "$base/$path";	2048	$path = "$base/$path";
1825	}	2049	}
1826		2050
1827	for ($path) {	2051	for ($path) {
1828	redo if s{//}{/};
1829	redo if s{/\.?/}{/};	2052	redo if s{/\.?/}{/};
1830	redo if s{/[^/]+/\.\./}{/};	2053	redo if s{/[^/]+/\.\./}{/};
1831	}	2054	}
1832		2055
1833	$path	2056	$path
…		…
1847	$self->init; # pass $1 etc.	2070	$self->init; # pass $1 etc.
1848	return $self;	2071	return $self;
1849	}	2072	}
1850	}	2073	}
1851		2074
1852	Carp::cluck "unable to resolve path '$path' (base '$base').";	2075	Carp::cluck "unable to resolve path '$path' (base '$base')";
1853	()	2076	()
1854	}	2077	}
1855		2078
		2079	# may re-bless or do other evil things
1856	sub init {	2080	sub init {
1857	my ($self) = @_;	2081	my ($self) = @_;
1858		2082
1859	$self	2083	$self
1860	}	2084	}
…		…
1879		2103
1880	# the temporary/swap location	2104	# the temporary/swap location
1881	sub save_path {	2105	sub save_path {
1882	my ($self) = @_;	2106	my ($self) = @_;
1883		2107
1884	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1885	"$TMPDIR/$path.map"	2109	"$TMPDIR/$path.map"
1886	}	2110	}
1887		2111
1888	# the unique path, undef == no special unique path	2112	# the unique path, undef == no special unique path
1889	sub uniq_path {	2113	sub uniq_path {
1890	my ($self) = @_;	2114	my ($self) = @_;
1891		2115
1892	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2116	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1893	"$UNIQUEDIR/$path"	2117	"$UNIQUEDIR/$path"
1894	}
1895
1896	# and all this just because we cannot iterate over
1897	# all maps in C++...
1898	sub change_all_map_light {
1899	my ($change) = @_;
1900
1901	$_->change_map_light ($change)
1902	for grep $_->outdoor, values %cf::MAP;
1903	}	2118	}
1904		2119
1905	sub decay_objects {	2120	sub decay_objects {
1906	my ($self) = @_;	2121	my ($self) = @_;
1907		2122
…		…
1934	$self->{load_path} = $path;	2149	$self->{load_path} = $path;
1935		2150
1936	1	2151	1
1937	}	2152	}
1938		2153
		2154	# used to laod the header of an original map
1939	sub load_header_orig {	2155	sub load_header_orig {
1940	my ($self) = @_;	2156	my ($self) = @_;
1941		2157
1942	$self->load_header_from ($self->load_path)	2158	$self->load_header_from ($self->load_path)
1943	}	2159	}
1944		2160
		2161	# used to laod the header of an instantiated map
1945	sub load_header_temp {	2162	sub load_header_temp {
1946	my ($self) = @_;	2163	my ($self) = @_;
1947		2164
1948	$self->load_header_from ($self->save_path)	2165	$self->load_header_from ($self->save_path)
1949	}	2166	}
1950		2167
		2168	# called after loading the header from an instantiated map
1951	sub prepare_temp {	2169	sub prepare_temp {
1952	my ($self) = @_;	2170	my ($self) = @_;
1953		2171
1954	$self->last_access ((delete $self->{last_access})	2172	$self->last_access ((delete $self->{last_access})
1955	|| $cf::RUNTIME); #d#	2173	|| $cf::RUNTIME); #d#
1956	# safety	2174	# safety
1957	$self->{instantiate_time} = $cf::RUNTIME	2175	$self->{instantiate_time} = $cf::RUNTIME
1958	if $self->{instantiate_time} > $cf::RUNTIME;	2176	if $self->{instantiate_time} > $cf::RUNTIME;
1959	}	2177	}
1960		2178
		2179	# called after loading the header from an original map
1961	sub prepare_orig {	2180	sub prepare_orig {
1962	my ($self) = @_;	2181	my ($self) = @_;
1963		2182
1964	$self->{load_original} = 1;	2183	$self->{load_original} = 1;
1965	$self->{instantiate_time} = $cf::RUNTIME;	2184	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1989		2208
1990	sub find;	2209	sub find;
1991	sub find {	2210	sub find {
1992	my ($path, $origin) = @_;	2211	my ($path, $origin) = @_;
1993		2212
		2213	cf::cede_to_tick;
		2214
1994	$path = normalise $path, $origin && $origin->path;	2215	$path = normalise $path, $origin;
1995		2216
1996	cf::lock_wait "map_data:$path";#d#remove	2217	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1997	cf::lock_wait "map_find:$path";	2218	my $guard2 = cf::lock_acquire "map_find:$path";
1998		2219
1999	$cf::MAP{$path} || do {	2220	$cf::MAP{$path} || do {
2000	my $guard1 = cf::lock_acquire "map_find:$path";
2001	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2002
2003	my $map = new_from_path cf::map $path	2221	my $map = new_from_path cf::map $path
2004	or return;	2222	or return;
2005		2223
2006	$map->{last_save} = $cf::RUNTIME;	2224	$map->{last_save} = $cf::RUNTIME;
2007		2225
…		…
2009	or return;	2227	or return;
2010		2228
2011	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2229	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2012	# doing this can freeze the server in a sync job, obviously	2230	# doing this can freeze the server in a sync job, obviously
2013	#$cf::WAIT_FOR_TICK->wait;	2231	#$cf::WAIT_FOR_TICK->wait;
		2232	undef $guard2;
2014	undef $guard1;	2233	undef $guard1;
2015	undef $guard2;
2016	$map->reset;	2234	$map->reset;
2017	return find $path;	2235	return find $path;
2018	}	2236	}
2019		2237
2020	$cf::MAP{$path} = $map	2238	$cf::MAP{$path} = $map
2021	}	2239	}
2022	}	2240	}
2023		2241
2024	sub pre_load { }	2242	sub pre_load { }
2025	sub post_load { }	2243	#sub post_load { } # XS
2026		2244
2027	sub load {	2245	sub load {
2028	my ($self) = @_;	2246	my ($self) = @_;
2029		2247
2030	local $self->{deny_reset} = 1; # loading can take a long time	2248	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2033		2251
2034	{	2252	{
2035	my $guard = cf::lock_acquire "map_data:$path";	2253	my $guard = cf::lock_acquire "map_data:$path";
2036		2254
2037	return unless $self->valid;	2255	return unless $self->valid;
2038	return unless $self->in_memory == cf::MAP_SWAPPED;	2256	return unless $self->state == cf::MAP_SWAPPED;
2039
2040	$self->in_memory (cf::MAP_LOADING);
2041		2257
2042	$self->alloc;	2258	$self->alloc;
2043		2259
2044	$self->pre_load;	2260	$self->pre_load;
2045	cf::cede_to_tick;	2261	cf::cede_to_tick;
2046		2262
		2263	if (exists $self->{load_path}) {
2047	my $f = new_from_file cf::object::thawer $self->{load_path};	2264	my $f = new_from_file cf::object::thawer $self->{load_path};
2048	$f->skip_block;	2265	$f->skip_block;
2049	$self->_load_objects ($f)	2266	$self->_load_objects ($f)
2050	or return;	2267	or return;
2051		2268
2052	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2269	$self->post_load_original
2053	if delete $self->{load_original};	2270	if delete $self->{load_original};
2054		2271
2055	if (my $uniq = $self->uniq_path) {	2272	if (my $uniq = $self->uniq_path) {
2056	utf8::encode $uniq;	2273	utf8::encode $uniq;
2057	unless (aio_stat $uniq) {	2274	unless (aio_stat $uniq) {
2058	if (my $f = new_from_file cf::object::thawer $uniq) {	2275	if (my $f = new_from_file cf::object::thawer $uniq) {
2059	$self->clear_unique_items;	2276	$self->clear_unique_items;
2060	$self->_load_objects ($f);	2277	$self->_load_objects ($f);
2061	$f->resolve_delayed_derefs;	2278	$f->resolve_delayed_derefs;
		2279	}
2062	}	2280	}
2063	}	2281	}
2064	}
2065		2282
2066	$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);
2067		2290
2068	cf::cede_to_tick;	2291	cf::cede_to_tick;
2069	# now do the right thing for maps	2292	# now do the right thing for maps
2070	$self->link_multipart_objects;	2293	$self->link_multipart_objects;
2071	$self->difficulty ($self->estimate_difficulty)	2294	$self->difficulty ($self->estimate_difficulty)
…		…
2075	unless ($self->{deny_activate}) {	2298	unless ($self->{deny_activate}) {
2076	$self->decay_objects;	2299	$self->decay_objects;
2077	$self->fix_auto_apply;	2300	$self->fix_auto_apply;
2078	$self->update_buttons;	2301	$self->update_buttons;
2079	cf::cede_to_tick;	2302	cf::cede_to_tick;
2080	$self->set_darkness_map;	2303	#$self->activate; # no longer activate maps automatically
2081	cf::cede_to_tick;
2082	$self->activate;
2083	}	2304	}
2084		2305
2085	$self->{last_save} = $cf::RUNTIME;	2306	$self->{last_save} = $cf::RUNTIME;
2086	$self->last_access ($cf::RUNTIME);	2307	$self->last_access ($cf::RUNTIME);
2087
2088	$self->in_memory (cf::MAP_IN_MEMORY);
2089	}	2308	}
2090		2309
2091	$self->post_load;	2310	$self->post_load;
2092	}
2093		2311
		2312	1
		2313	}
		2314
		2315	# customize the map for a given player, i.e.
		2316	# return the _real_ map. used by e.g. per-player
		2317	# maps to change the path to ~playername/mappath
2094	sub customise_for {	2318	sub customise_for {
2095	my ($self, $ob) = @_;	2319	my ($self, $ob) = @_;
2096		2320
2097	return find "~" . $ob->name . "/" . $self->{path}	2321	return find "~" . $ob->name . "/" . $self->{path}
2098	if $self->per_player;	2322	if $self->per_player;
…		…
2101	# if $self->per_party;	2325	# if $self->per_party;
2102		2326
2103	$self	2327	$self
2104	}	2328	}
2105		2329
2106	# find and load all maps in the 3x3 area around a map
2107	sub load_neighbours {
2108	my ($map) = @_;
2109
2110	my @neigh; # diagonal neighbours
2111
2112	for (0 .. 3) {
2113	my $neigh = $map->tile_path ($_)
2114	or next;
2115	$neigh = find $neigh, $map
2116	or next;
2117	$neigh->load;
2118
2119	push @neigh,
2120	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2121	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2122	}
2123
2124	for (grep defined $_->[0], @neigh) {
2125	my ($path, $origin) = @$_;
2126	my $neigh = find $path, $origin
2127	or next;
2128	$neigh->load;
2129	}
2130	}
2131
2132	sub find_sync {	2330	sub find_sync {
2133	my ($path, $origin) = @_;	2331	my ($path, $origin) = @_;
2134		2332
2135	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, $origin
2136	}	2338	}
2137		2339
2138	sub do_load_sync {	2340	sub do_load_sync {
2139	my ($map) = @_;	2341	my ($map) = @_;
2140		2342
		2343	# it's a bug to call this from the main context
2141	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2344	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2142	if $Coro::current == $Coro::main;	2345	if $Coro::current == $Coro::main;
2143		2346
2144	cf::sync_job { $map->load };	2347	$map->load;
2145	}	2348	}
2146		2349
2147	our %MAP_PREFETCH;	2350	our %MAP_PREFETCH;
2148	our $MAP_PREFETCHER = undef;	2351	our $MAP_PREFETCHER = undef;
2149		2352
2150	sub find_async {	2353	sub find_async {
2151	my ($path, $origin, $load) = @_;	2354	my ($path, $origin, $load) = @_;
2152		2355
2153	$path = normalise $path, $origin && $origin->{path};	2356	$path = normalise $path, $origin;
2154		2357
2155	if (my $map = $cf::MAP{$path}) {	2358	if (my $map = $cf::MAP{$path}) {
2156	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2359	return $map if !$load || $map->linkable;
2157	}	2360	}
2158		2361
2159	$MAP_PREFETCH{$path} |= $load;	2362	$MAP_PREFETCH{$path} |= $load;
2160		2363
2161	$MAP_PREFETCHER ||= cf::async {	2364	$MAP_PREFETCHER ||= cf::async {
…		…
2175	$MAP_PREFETCHER->prio (6);	2378	$MAP_PREFETCHER->prio (6);
2176		2379
2177	()	2380	()
2178	}	2381	}
2179		2382
		2383	# common code, used by both ->save and ->swapout
2180	sub save {	2384	sub _save {
2181	my ($self) = @_;	2385	my ($self) = @_;
2182
2183	my $lock = cf::lock_acquire "map_data:$self->{path}";
2184		2386
2185	$self->{last_save} = $cf::RUNTIME;	2387	$self->{last_save} = $cf::RUNTIME;
2186		2388
2187	return unless $self->dirty;	2389	return unless $self->dirty;
2188		2390
…		…
2197		2399
2198	cf::async {	2400	cf::async {
2199	$Coro::current->{desc} = "map player save";	2401	$Coro::current->{desc} = "map player save";
2200	$_->contr->save for $self->players;	2402	$_->contr->save for $self->players;
2201	};	2403	};
		2404
		2405	cf::get_slot 0.02;
2202		2406
2203	if ($uniq) {	2407	if ($uniq) {
2204	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2408	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2205	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2409	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2206	} else {	2410	} else {
2207	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2411	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2208	}	2412	}
2209	}	2413	}
2210		2414
		2415	sub save {
		2416	my ($self) = @_;
		2417
		2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2419
		2420	$self->_save;
		2421	}
		2422
2211	sub swap_out {	2423	sub swap_out {
2212	my ($self) = @_;	2424	my ($self) = @_;
2213		2425
2214	# save first because save cedes
2215	$self->save;
2216
2217	my $lock = cf::lock_acquire "map_data:$self->{path}";	2426	my $lock = cf::lock_acquire "map_data:$self->{path}";
2218		2427
		2428	return if !$self->linkable;
		2429	return if $self->{deny_save};
2219	return if $self->players;	2430	return if $self->players;
2220	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
2221	return if $self->{deny_save};	2448	return 1e99 if $self->{deny_reset};
2222		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
2223	$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};
2224		2482
2225	$self->deactivate;	2483	$self->deactivate;
2226	$_->clear_links_to ($self) for values %cf::MAP;	2484	$_->clear_links_to ($self) for values %cf::MAP;
2227	$self->clear;	2485	$self->clear;
2228	}
2229
2230	sub reset_at {
2231	my ($self) = @_;
2232
2233	# TODO: safety, remove and allow resettable per-player maps
2234	return 1e99 if $self->{deny_reset};
2235
2236	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2237	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2238
2239	$time + $to
2240	}
2241
2242	sub should_reset {
2243	my ($self) = @_;
2244
2245	$self->reset_at <= $cf::RUNTIME
2246	}
2247
2248	sub reset {
2249	my ($self) = @_;
2250
2251	my $lock = cf::lock_acquire "map_data:$self->{path}";
2252
2253	return if $self->players;
2254
2255	warn "resetting map ", $self->path;
2256
2257	$self->in_memory (cf::MAP_SWAPPED);
2258
2259	# need to save uniques path
2260	unless ($self->{deny_save}) {
2261	my $uniq = $self->uniq_path; utf8::encode $uniq;
2262
2263	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2264	if $uniq;
2265	}
2266
2267	delete $cf::MAP{$self->path};
2268
2269	$self->deactivate;
2270	$_->clear_links_to ($self) for values %cf::MAP;
2271	$self->clear;
2272		2486
2273	$self->unlink_save;	2487	$self->unlink_save;
2274	$self->destroy;	2488	$self->destroy;
2275	}	2489	}
2276		2490
…		…
2284		2498
2285	delete $cf::MAP{$self->path};	2499	delete $cf::MAP{$self->path};
2286		2500
2287	$self->unlink_save;	2501	$self->unlink_save;
2288		2502
2289	bless $self, "cf::map";	2503	bless $self, "cf::map::wrap";
2290	delete $self->{deny_reset};	2504	delete $self->{deny_reset};
2291	$self->{deny_save} = 1;	2505	$self->{deny_save} = 1;
2292	$self->reset_timeout (1);	2506	$self->reset_timeout (1);
2293	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2507	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2294		2508
…		…
2343		2557
2344	sub unique_maps() {	2558	sub unique_maps() {
2345	[	2559	[
2346	map {	2560	map {
2347	utf8::decode $_;	2561	utf8::decode $_;
2348	/\.map$/	2562	s/\.map$//; # TODO future compatibility hack
		2563	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2564	? ()
2349	? normalise $_	2565	: normalise $_
2350	: ()
2351	} @{ aio_readdir $UNIQUEDIR or [] }	2566	} @{ aio_readdir $UNIQUEDIR or [] }
2352	]	2567	]
2353	}	2568	}
2354		2569
2355	package cf;	2570	=item cf::map::static_maps
		2571
		2572	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2573	file in the shared directory excluding F</styles> and F</editor>). May
		2574	block.
		2575
		2576	=cut
		2577
		2578	sub static_maps() {
		2579	my @dirs = "";
		2580	my @maps;
		2581
		2582	while (@dirs) {
		2583	my $dir = shift @dirs;
		2584
		2585	next if $dir eq "/styles" || $dir eq "/editor";
		2586
		2587	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2588	or return;
		2589
		2590	for (@$files) {
		2591	s/\.map$// or next;
		2592	utf8::decode $_;
		2593	push @maps, "$dir/$_";
		2594	}
		2595
		2596	push @dirs, map "$dir/$_", @$dirs;
		2597	}
		2598
		2599	\@maps
		2600	}
2356		2601
2357	=back	2602	=back
2358		2603
2359	=head3 cf::object	2604	=head3 cf::object
2360		2605
…		…
2364		2609
2365	=over 4	2610	=over 4
2366		2611
2367	=item $ob->inv_recursive	2612	=item $ob->inv_recursive
2368		2613
2369	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.
2370		2616
2371	=cut	2617	=cut
2372		2618
2373	sub inv_recursive_;	2619	sub inv_recursive_;
2374	sub inv_recursive_ {	2620	sub inv_recursive_ {
…		…
2379	inv_recursive_ inv $_[0]	2625	inv_recursive_ inv $_[0]
2380	}	2626	}
2381		2627
2382	=item $ref = $ob->ref	2628	=item $ref = $ob->ref
2383		2629
2384	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.
2385		2631
2386	=item $ob = cf::object::deref ($refstring)	2632	=item $ob = cf::object::deref ($refstring)
2387		2633
2388	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,
2389	even if the object actually exists. May block.	2635	even if the object actually exists. May block.
…		…
2421	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
2422	dialogue with the given NPC character.	2668	dialogue with the given NPC character.
2423		2669
2424	=cut	2670	=cut
2425		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
2426	# rough implementation of a future "reply" method that works	2686	# rough implementation of a future "reply" method that works
2427	# with dialog boxes.	2687	# with dialog boxes.
2428	#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
2429	sub cf::object::player::reply($$$;$) {	2689	sub cf::object::player::reply($$$;$) {
2430	my ($self, $npc, $msg, $flags) = @_;	2690	my ($self, $npc, $msg, $flags) = @_;
…		…
2441	my $dialog = $pl->{npc_dialog};	2701	my $dialog = $pl->{npc_dialog};
2442	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2702	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2443		2703
2444	} else {	2704	} else {
2445	$msg = $npc->name . " says: $msg" if $npc;	2705	$msg = $npc->name . " says: $msg" if $npc;
2446	$self->message ($msg, $flags);	2706	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2447	}	2707	}
2448	}	2708	}
2449	}	2709	}
2450		2710
2451	=item $object->send_msg ($channel, $msg, $color, [extra...])	2711	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2476		2736
2477	=item $player_object->enter_link	2737	=item $player_object->enter_link
2478		2738
2479	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}>).
2480		2740
2481	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.
2482	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.
2483		2745
2484	Will never block.	2746	Will never block.
2485		2747
2486	=item $player_object->leave_link ($map, $x, $y)	2748	=item $player_object->leave_link ($map, $x, $y)
2487		2749
…		…
2507	sub cf::object::player::enter_link {	2769	sub cf::object::player::enter_link {
2508	my ($self) = @_;	2770	my ($self) = @_;
2509		2771
2510	$self->deactivate_recursive;	2772	$self->deactivate_recursive;
2511		2773
		2774	++$self->{_link_recursion};
		2775
2512	return if UNIVERSAL::isa $self->map, "ext::map_link";	2776	return if UNIVERSAL::isa $self->map, "ext::map_link";
2513		2777
2514	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2515	if $self->map && $self->map->{path} ne "{link}";	2779	if $self->map && $self->map->{path} ne "{link}";
2516		2780
2517	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2781	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2518	}	2782	}
2519		2783
2520	sub cf::object::player::leave_link {	2784	sub cf::object::player::leave_link {
2521	my ($self, $map, $x, $y) = @_;	2785	my ($self, $map, $x, $y) = @_;
2522		2786
…		…
2539	($x, $y) = (-1, -1)	2803	($x, $y) = (-1, -1)
2540	unless (defined $x) && (defined $y);	2804	unless (defined $x) && (defined $y);
2541		2805
2542	# use -1 or undef as default coordinates, not 0, 0	2806	# use -1 or undef as default coordinates, not 0, 0
2543	($x, $y) = ($map->enter_x, $map->enter_y)	2807	($x, $y) = ($map->enter_x, $map->enter_y)
2544	if $x <=0 && $y <= 0;	2808	if $x <= 0 && $y <= 0;
2545		2809
2546	$map->load;	2810	$map->load;
2547	$map->load_neighbours;
2548		2811
2549	return unless $self->contr->active;	2812	return unless $self->contr->active;
2550	$self->activate_recursive;
2551		2813
2552	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2814	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2553	$self->enter_map ($map, $x, $y);	2815	if ($self->enter_map ($map, $x, $y)) {
2554	}	2816	# entering was successful
		2817	delete $self->{_link_recursion};
		2818	# only activate afterwards, to support waiting in hooks
		2819	$self->activate_recursive;
		2820	}
2555		2821
		2822	}
		2823
2556	=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)]])
2557		2825
2558	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
2559	her, loading and preparing them map, calling the provided $check callback	2827	her, loading and preparing them map, calling the provided $check callback
2560	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
2561	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
2562	be called at the end of this process.	2830	be called at the end of this process.
2563		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
2564	=cut	2835	=cut
2565		2836
2566	our $GOTOGEN;	2837	our $GOTOGEN;
2567		2838
2568	sub cf::object::player::goto {	2839	sub cf::object::player::goto {
2569	my ($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	}
2570		2847
2571	# 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
2572	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2849	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2573		2850
2574	$self->enter_link;	2851	$self->enter_link;
…		…
2594	($path, $x, $y) = (undef, undef, undef);	2871	($path, $x, $y) = (undef, undef, undef);
2595	}	2872	}
2596	}	2873	}
2597		2874
2598	my $map = eval {	2875	my $map = eval {
2599	my $map = defined $path ? cf::map::find $path : undef;	2876	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2600		2877
2601	if ($map) {	2878	if ($map) {
2602	$map = $map->customise_for ($self);	2879	$map = $map->customise_for ($self);
2603	$map = $check->($map) if $check && $map;	2880	$map = $check->($map, $x, $y, $self) if $check && $map;
2604	} else {	2881	} else {
2605	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2882	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2606	}	2883	}
2607		2884
2608	$map	2885	$map
…		…
2616	if ($gen == $self->{_goto_generation}) {	2893	if ($gen == $self->{_goto_generation}) {
2617	delete $self->{_goto_generation};	2894	delete $self->{_goto_generation};
2618	$self->leave_link ($map, $x, $y);	2895	$self->leave_link ($map, $x, $y);
2619	}	2896	}
2620		2897
2621	$done->() if $done;	2898	$done->($self) if $done;
2622	})->prio (1);	2899	})->prio (1);
2623	}	2900	}
2624		2901
2625	=item $player_object->enter_exit ($exit_object)	2902	=item $player_object->enter_exit ($exit_object)
2626		2903
…		…
2646	}	2923	}
2647		2924
2648	sub prepare_random_map {	2925	sub prepare_random_map {
2649	my ($exit) = @_;	2926	my ($exit) = @_;
2650		2927
2651	my $guard = cf::lock_acquire "exit_prepare:$exit";
2652
2653	# all this does is basically replace the /! path by	2928	# all this does is basically replace the /! path by
2654	# a new random map path (?random/...) with a seed	2929	# a new random map path (?random/...) with a seed
2655	# that depends on the exit object	2930	# that depends on the exit object
2656		2931
2657	my $rmp = parse_random_map_params $exit->msg;	2932	my $rmp = parse_random_map_params $exit->msg;
…		…
2659	if ($exit->map) {	2934	if ($exit->map) {
2660	$rmp->{region} = $exit->region->name;	2935	$rmp->{region} = $exit->region->name;
2661	$rmp->{origin_map} = $exit->map->path;	2936	$rmp->{origin_map} = $exit->map->path;
2662	$rmp->{origin_x} = $exit->x;	2937	$rmp->{origin_x} = $exit->x;
2663	$rmp->{origin_y} = $exit->y;	2938	$rmp->{origin_y} = $exit->y;
		2939
		2940	$exit->map->touch;
2664	}	2941	}
2665		2942
2666	$rmp->{random_seed} ||= $exit->random_seed;	2943	$rmp->{random_seed} ||= $exit->random_seed;
2667		2944
2668	my $data = cf::encode_json $rmp;	2945	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2669	my $md5 = Digest::MD5::md5_hex $data;	2946	my $md5 = Digest::MD5::md5_hex $data;
2670	my $meta = "$RANDOMDIR/$md5.meta";	2947	my $meta = "$RANDOMDIR/$md5.meta";
2671		2948
2672	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2949	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2673	aio_write $fh, 0, (length $data), $data, 0;	2950	aio_write $fh, 0, (length $data), $data, 0;
2674	undef $fh;	2951	undef $fh;
2675	aio_rename "$meta~", $meta;	2952	aio_rename "$meta~", $meta;
2676		2953
		2954	my $slaying = "?random/$md5";
		2955
		2956	if ($exit->valid) {
2677	$exit->slaying ("?random/$md5");	2957	$exit->slaying ("?random/$md5");
2678	$exit->msg (undef);	2958	$exit->msg (undef);
		2959	}
2679	}	2960	}
2680	}	2961	}
2681		2962
2682	sub cf::object::player::enter_exit {	2963	sub cf::object::player::enter_exit {
2683	my ($self, $exit) = @_;	2964	my ($self, $exit) = @_;
2684		2965
2685	return unless $self->type == cf::PLAYER;	2966	return unless $self->type == cf::PLAYER;
2686		2967
2687	if ($exit->slaying eq "/!") {
2688	#TODO: this should de-fi-ni-te-ly not be a sync-job
2689	# the problem is that $exit might not survive long enough
2690	# so it needs to be done right now, right here
2691	cf::sync_job { prepare_random_map $exit };
2692	}
2693
2694	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2695	my $hp = $exit->stats->hp;
2696	my $sp = $exit->stats->sp;
2697
2698	$self->enter_link;	2968	$self->enter_link;
2699		2969
2700	# if exit is damned, update players death & WoR home-position
2701	$self->contr->savebed ($slaying, $hp, $sp)
2702	if $exit->flag (FLAG_DAMNED);
2703
2704	(async {	2970	(async {
2705	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2971	$Coro::current->{desc} = "enter_exit";
2706		2972
2707	$self->deactivate_recursive; # just to be sure
2708	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
2709	$self->goto ($slaying, $hp, $sp);	3003	$self->goto ($map, $x, $y);
2710		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
2711	1;	3009	1
2712	}) {	3010	}) {
2713	$self->message ("Something went wrong deep within the crossfire server. "	3011	$self->message ("Something went wrong deep within the deliantra server. "
2714	. "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. "
2715	. "Please report this to the dungeon master!",	3013	. "Please report this to the dungeon master!",
2716	cf::NDI_UNIQUE | cf::NDI_RED);	3014	cf::NDI_UNIQUE | cf::NDI_RED);
2717		3015
2718	warn "ERROR in enter_exit: $@";	3016	error "ERROR in enter_exit: $@";
2719	$self->leave_link;	3017	$self->leave_link;
2720	}	3018	}
2721	})->prio (1);	3019	})->prio (1);
2722	}	3020	}
2723		3021
…		…
2735	sub cf::client::send_drawinfo {	3033	sub cf::client::send_drawinfo {
2736	my ($self, $text, $flags) = @_;	3034	my ($self, $text, $flags) = @_;
2737		3035
2738	utf8::encode $text;	3036	utf8::encode $text;
2739	$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);
2740	}	3063	}
2741		3064
2742	=item $client->send_msg ($channel, $msg, $color, [extra...])	3065	=item $client->send_msg ($channel, $msg, $color, [extra...])
2743		3066
2744	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
…		…
2748		3071
2749	=cut	3072	=cut
2750		3073
2751	# non-persistent channels (usually the info channel)	3074	# non-persistent channels (usually the info channel)
2752	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	},
2753	"c/identify" => {	3082	"c/identify" => {
2754	id => "infobox",	3083	id => "infobox",
2755	title => "Identify",	3084	title => "Identify",
2756	reply => undef,	3085	reply => undef,
2757	tooltip => "Items recently identified",	3086	tooltip => "Items recently identified",
…		…
2759	"c/examine" => {	3088	"c/examine" => {
2760	id => "infobox",	3089	id => "infobox",
2761	title => "Examine",	3090	title => "Examine",
2762	reply => undef,	3091	reply => undef,
2763	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",
2764	},	3099	},
2765	"c/book" => {	3100	"c/book" => {
2766	id => "infobox",	3101	id => "infobox",
2767	title => "Book",	3102	title => "Book",
2768	reply => undef,	3103	reply => undef,
…		…
2784	id => "infobox",	3119	id => "infobox",
2785	title => "Body Parts",	3120	title => "Body Parts",
2786	reply => undef,	3121	reply => undef,
2787	tooltip => "Shows which body parts you posess and are available",	3122	tooltip => "Shows which body parts you posess and are available",
2788	},	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	},
2789	"c/uptime" => {	3160	"c/uptime" => {
2790	id => "infobox",	3161	id => "infobox",
2791	title => "Uptime",	3162	title => "Uptime",
2792	reply => undef,	3163	reply => undef,
2793	tooltip => "How long the server has been running since last restart",	3164	tooltip => "How long the server has been running since last restart",
…		…
2796	id => "infobox",	3167	id => "infobox",
2797	title => "Map Info",	3168	title => "Map Info",
2798	reply => undef,	3169	reply => undef,
2799	tooltip => "Information related to the maps",	3170	tooltip => "Information related to the maps",
2800	},	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" => $CHAT_CHANNEL,
2801	);	3186	);
2802		3187
2803	sub cf::client::send_msg {	3188	sub cf::client::send_msg {
2804	my ($self, $channel, $msg, $color, @extra) = @_;	3189	my ($self, $channel, $msg, $color, @extra) = @_;
2805		3190
2806	$msg = $self->pl->expand_cfpod ($msg);	3191	$msg = $self->pl->expand_cfpod ($msg)
		3192	unless $color & cf::NDI_VERBATIM;
2807		3193
2808	$color &= cf::NDI_CLIENT_MASK; # just in case...	3194	$color &= cf::NDI_CLIENT_MASK; # just in case...
2809		3195
2810	# check predefined channels, for the benefit of C	3196	# check predefined channels, for the benefit of C
2811	if ($CHANNEL{$channel}) {	3197	if ($CHANNEL{$channel}) {
2812	$channel = $CHANNEL{$channel};	3198	$channel = $CHANNEL{$channel};
2813		3199
2814	$self->ext_msg (channel_info => $channel)	3200	$self->ext_msg (channel_info => $channel);
2815	if $self->can_msg;
2816
2817	$channel = $channel->{id};	3201	$channel = $channel->{id};
2818		3202
2819	} elsif (ref $channel) {	3203	} elsif (ref $channel) {
2820	# send meta info to client, if not yet sent	3204	# send meta info to client, if not yet sent
2821	unless (exists $self->{channel}{$channel->{id}}) {	3205	unless (exists $self->{channel}{$channel->{id}}) {
2822	$self->{channel}{$channel->{id}} = $channel;	3206	$self->{channel}{$channel->{id}} = $channel;
2823	$self->ext_msg (channel_info => $channel)	3207	$self->ext_msg (channel_info => $channel);
2824	if $self->can_msg;
2825	}	3208	}
2826		3209
2827	$channel = $channel->{id};	3210	$channel = $channel->{id};
2828	}	3211	}
2829		3212
2830	return unless @extra || length $msg;	3213	return unless @extra || length $msg;
2831		3214
2832	if ($self->can_msg) {
2833	# default colour, mask it out	3215	# default colour, mask it out
2834	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3216	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2835	if $color & cf::NDI_DEF;	3217	if $color & cf::NDI_DEF;
2836		3218
2837	$self->send_packet ("msg " . $self->{json_coder}->encode (	3219	my $pkt = "msg "
		3220	. $self->{json_coder}->encode (
2838	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3221	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2839	} else {	3222	);
2840	if ($color >= 0) {
2841	# replace some tags by gcfclient-compatible ones
2842	for ($msg) {
2843	1 while
2844	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2845	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2846	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2847	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2848	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2849	}
2850		3223
2851	$color &= cf::NDI_COLOR_MASK;	3224	$self->send_big_packet ($pkt);
2852
2853	utf8::encode $msg;
2854
2855	if (0 && $msg =~ /\[/) {
2856	# COMMAND/INFO
2857	$self->send_packet ("drawextinfo $color 10 8 $msg")
2858	} else {
2859	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2860	$self->send_packet ("drawinfo $color $msg")
2861	}
2862	}
2863	}
2864	}	3225	}
2865		3226
2866	=item $client->ext_msg ($type, @msg)	3227	=item $client->ext_msg ($type, @msg)
2867		3228
2868	Sends an ext event to the client.	3229	Sends an ext event to the client.
…		…
2871		3232
2872	sub cf::client::ext_msg($$@) {	3233	sub cf::client::ext_msg($$@) {
2873	my ($self, $type, @msg) = @_;	3234	my ($self, $type, @msg) = @_;
2874		3235
2875	if ($self->extcmd == 2) {	3236	if ($self->extcmd == 2) {
2876	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3237	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2877	} elsif ($self->extcmd == 1) { # TODO: remove	3238	} elsif ($self->extcmd == 1) { # TODO: remove
2878	push @msg, msgtype => "event_$type";	3239	push @msg, msgtype => "event_$type";
2879	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3240	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2880	}	3241	}
2881	}	3242	}
2882		3243
2883	=item $client->ext_reply ($msgid, @msg)	3244	=item $client->ext_reply ($msgid, @msg)
2884		3245
…		…
2887	=cut	3248	=cut
2888		3249
2889	sub cf::client::ext_reply($$@) {	3250	sub cf::client::ext_reply($$@) {
2890	my ($self, $id, @msg) = @_;	3251	my ($self, $id, @msg) = @_;
2891		3252
2892	if ($self->extcmd == 2) {	3253	return unless $self->extcmd == 2;
		3254
2893	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3255	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2894	} elsif ($self->extcmd == 1) {
2895	#TODO: version 1, remove
2896	unshift @msg, msgtype => "reply", msgid => $id;
2897	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2898	}
2899	}	3256	}
2900		3257
2901	=item $success = $client->query ($flags, "text", \&cb)	3258	=item $success = $client->query ($flags, "text", \&cb)
2902		3259
2903	Queues a query to the client, calling the given callback with	3260	Queues a query to the client, calling the given callback with
…		…
2958	my ($ns, $buf) = @_;	3315	my ($ns, $buf) = @_;
2959		3316
2960	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3317	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2961		3318
2962	if (ref $msg) {	3319	if (ref $msg) {
2963	my ($type, $reply, @payload) =	3320	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2964	"ARRAY" eq ref $msg
2965	? @$msg
2966	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2967		3321
2968	my @reply;	3322	my @reply;
2969		3323
2970	if (my $cb = $EXTICMD{$type}) {	3324	if (my $cb = $EXTICMD{$type}) {
2971	@reply = $cb->($ns, @payload);	3325	@reply = $cb->($ns, @payload);
…		…
2973		3327
2974	$ns->ext_reply ($reply, @reply)	3328	$ns->ext_reply ($reply, @reply)
2975	if $reply;	3329	if $reply;
2976		3330
2977	} else {	3331	} else {
2978	warn "client " . ($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";
2979	}	3333	}
2980		3334
2981	cf::override;	3335	cf::override;
2982	},	3336	},
2983	);	3337	);
…		…
3003		3357
3004	$coro	3358	$coro
3005	}	3359	}
3006		3360
3007	cf::client->attach (	3361	cf::client->attach (
3008	on_destroy => sub {	3362	on_client_destroy => sub {
3009	my ($ns) = @_;	3363	my ($ns) = @_;
3010		3364
3011	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3365	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3012	},	3366	},
3013	);	3367	);
…		…
3029	our $safe_hole = new Safe::Hole;	3383	our $safe_hole = new Safe::Hole;
3030		3384
3031	$SIG{FPE} = 'IGNORE';	3385	$SIG{FPE} = 'IGNORE';
3032		3386
3033	$safe->permit_only (Opcode::opset qw(	3387	$safe->permit_only (Opcode::opset qw(
3034	:base_core :base_mem :base_orig :base_math	3388	:base_core :base_mem :base_orig :base_math :base_loop
3035	grepstart grepwhile mapstart mapwhile	3389	grepstart grepwhile mapstart mapwhile
3036	sort time	3390	sort time
3037	));	3391	));
3038		3392
3039	# here we export the classes and methods available to script code	3393	# here we export the classes and methods available to script code
…		…
3042		3396
3043	The following functions and methods are available within a safe environment:	3397	The following functions and methods are available within a safe environment:
3044		3398
3045	cf::object	3399	cf::object
3046	contr pay_amount pay_player map x y force_find force_add destroy	3400	contr pay_amount pay_player map x y force_find force_add destroy
3047	insert remove name archname title slaying race decrease_ob_nr	3401	insert remove name archname title slaying race decrease split
		3402	value
3048		3403
3049	cf::object::player	3404	cf::object::player
3050	player	3405	player
3051		3406
3052	cf::player	3407	cf::player
…		…
3057		3412
3058	=cut	3413	=cut
3059		3414
3060	for (	3415	for (
3061	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3416	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3062	insert remove inv name archname title slaying race	3417	insert remove inv nrof name archname title slaying race
3063	decrease_ob_nr destroy)],	3418	decrease split destroy change_exp value msg lore send_msg)],
3064	["cf::object::player" => qw(player)],	3419	["cf::object::player" => qw(player)],
3065	["cf::player" => qw(peaceful)],	3420	["cf::player" => qw(peaceful send_msg)],
3066	["cf::map" => qw(trigger)],	3421	["cf::map" => qw(trigger)],
3067	) {	3422	) {
3068	no strict 'refs';
3069	my ($pkg, @funs) = @$_;	3423	my ($pkg, @funs) = @$_;
3070	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3424	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3071	for @funs;	3425	for @funs;
3072	}	3426	}
3073		3427
…		…
3088		3442
3089	my $qcode = $code;	3443	my $qcode = $code;
3090	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3444	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3091	$qcode =~ s/\n/\\n/g;	3445	$qcode =~ s/\n/\\n/g;
3092		3446
		3447	%vars = (_dummy => 0) unless %vars;
		3448
		3449	my @res;
3093	local $_;	3450	local $_;
3094	local @safe::cf::_safe_eval_args = values %vars;
3095		3451
3096	my $eval =	3452	my $eval =
3097	"do {\n"	3453	"do {\n"
3098	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3454	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3099	. "#line 0 \"{$qcode}\"\n"	3455	. "#line 0 \"{$qcode}\"\n"
3100	. $code	3456	. $code
3101	. "\n}"	3457	. "\n}"
3102	;	3458	;
3103		3459
		3460	if ($CFG{safe_eval}) {
3104	sub_generation_inc;	3461	sub_generation_inc;
		3462	local @safe::cf::_safe_eval_args = values %vars;
3105	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3463	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3106	sub_generation_inc;	3464	sub_generation_inc;
		3465	} else {
		3466	local @cf::_safe_eval_args = values %vars;
		3467	@res = wantarray ? eval eval : scalar eval $eval;
		3468	}
3107		3469
3108	if ($@) {	3470	if ($@) {
3109	warn "$@";	3471	warn "$@",
3110	warn "while executing safe code '$code'\n";	3472	"while executing safe code '$code'\n",
3111	warn "with arguments " . (join " ", %vars) . "\n";	3473	"with arguments " . (join " ", %vars) . "\n";
3112	}	3474	}
3113		3475
3114	wantarray ? @res : $res[0]	3476	wantarray ? @res : $res[0]
3115	}	3477	}
3116		3478
…		…
3130	=cut	3492	=cut
3131		3493
3132	sub register_script_function {	3494	sub register_script_function {
3133	my ($fun, $cb) = @_;	3495	my ($fun, $cb) = @_;
3134		3496
3135	no strict 'refs';	3497	$fun = "safe::$fun" if $CFG{safe_eval};
3136	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3498	*$fun = $safe_hole->wrap ($cb);
3137	}	3499	}
3138		3500
3139	=back	3501	=back
3140		3502
3141	=cut	3503	=cut
3142		3504
3143	#############################################################################	3505	#############################################################################
3144	# 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
3145		3509
3146	sub load_facedata($) {	3510	sub load_facedata($) {
3147	my ($path) = @_;	3511	my ($path) = @_;
3148		3512
3149	# 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
3150	# for this (global event?)	3514	# for this (global event?)
3151	%ext::player_env::MUSIC_FACE_CACHE = ();	3515	%ext::player_env::MUSIC_FACE_CACHE = ();
3152		3516
3153	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3517	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3154		3518
3155	warn "loading facedata from $path\n";	3519	trace "loading facedata from $path\n";
3156		3520
3157	my $facedata;	3521	my $facedata = decode_storable load_file $path;
3158	0 < aio_load $path, $facedata
3159	or die "$path: $!";
3160
3161	$facedata = Coro::Storable::thaw $facedata;
3162		3522
3163	$facedata->{version} == 2	3523	$facedata->{version} == 2
3164	or cf::cleanup "$path: version mismatch, cannot proceed.";	3524	or cf::cleanup "$path: version mismatch, cannot proceed.";
3165		3525
3166	# 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]);
3167	$facedata->{resource}{"res/exp_table"} = {	3528	$facedata->{resource}{"res/exp_table"} = {
3168	type => FT_RSRC,	3529	type => FT_RSRC,
3169	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),
3170	};	3532	};
3171	cf::cede_to_tick;	3533	cf::cede_to_tick;
3172		3534
3173	{	3535	{
3174	my $faces = $facedata->{faceinfo};	3536	my $faces = $facedata->{faceinfo};
3175		3537
3176	while (my ($face, $info) = each %$faces) {	3538	for my $face (sort keys %$faces) {
		3539	my $info = $faces->{$face};
3177	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3540	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3178		3541
3179	cf::face::set_visibility $idx, $info->{visibility};	3542	cf::face::set_visibility $idx, $info->{visibility};
3180	cf::face::set_magicmap $idx, $info->{magicmap};	3543	cf::face::set_magicmap $idx, $info->{magicmap};
3181	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3544	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3182	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3545	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3546	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3547	$FACEHASH{$info->{hash64}} = $idx;#d#
3183		3548
3184	cf::cede_to_tick;	3549	cf::cede_to_tick;
3185	}	3550	}
3186		3551
3187	while (my ($face, $info) = each %$faces) {	3552	while (my ($face, $info) = each %$faces) {
…		…
3192		3557
3193	if (my $smooth = cf::face::find $info->{smooth}) {	3558	if (my $smooth = cf::face::find $info->{smooth}) {
3194	cf::face::set_smooth $idx, $smooth;	3559	cf::face::set_smooth $idx, $smooth;
3195	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3560	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3196	} else {	3561	} else {
3197	warn "smooth face '$info->{smooth}' not found for face '$face'";	3562	error "smooth face '$info->{smooth}' not found for face '$face'";
3198	}	3563	}
3199		3564
3200	cf::cede_to_tick;	3565	cf::cede_to_tick;
3201	}	3566	}
3202	}	3567	}
…		…
3211		3576
3212	cf::anim::invalidate_all; # d'oh	3577	cf::anim::invalidate_all; # d'oh
3213	}	3578	}
3214		3579
3215	{	3580	{
3216	# TODO: for gcfclient pleasure, we should give resources
3217	# that gcfclient doesn't grok a >10000 face index.
3218	my $res = $facedata->{resource};	3581	my $res = $facedata->{resource};
3219		3582
3220	while (my ($name, $info) = each %$res) {	3583	while (my ($name, $info) = each %$res) {
3221	if (defined $info->{type}) {	3584	if (defined (my $type = $info->{type})) {
		3585	# TODO: different hash - must free and use new index, or cache ixface data queue
3222	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3586	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3223	my $data;
3224		3587
3225	if ($info->{type} & 1) {	3588	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3226	# prepend meta info
3227
3228	my $meta = $enc->encode ({
3229	name => $name,
3230	%{ $info->{meta} || {} },
3231	});
3232
3233	$data = pack "(w/a*)*", $meta, $info->{data};
3234	} else {
3235	$data = $info->{data};
3236	}
3237
3238	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3239	cf::face::set_type $idx, $info->{type};	3589	cf::face::set_type $idx, $type;
		3590	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3591	$FACEHASH{$info->{hash}} = $idx;#d#
3240	} else {	3592	} else {
3241	$RESOURCE{$name} = $info;	3593	# $RESOURCE{$name} = $info; # unused
3242	}	3594	}
3243		3595
3244	cf::cede_to_tick;	3596	cf::cede_to_tick;
3245	}	3597	}
3246	}	3598	}
3247		3599
3248	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3600	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3249		3601
3250	1	3602	1
3251	}	3603	}
3252
3253	cf::global->attach (on_resource_update => sub {
3254	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3255	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3256
3257	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3258	my $sound = $soundconf->{compat}[$_]
3259	or next;
3260
3261	my $face = cf::face::find "sound/$sound->[1]";
3262	cf::sound::set $sound->[0] => $face;
3263	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3264	}
3265
3266	while (my ($k, $v) = each %{$soundconf->{event}}) {
3267	my $face = cf::face::find "sound/$v";
3268	cf::sound::set $k => $face;
3269	}
3270	}
3271	});
3272		3604
3273	register_exticmd fx_want => sub {	3605	register_exticmd fx_want => sub {
3274	my ($ns, $want) = @_;	3606	my ($ns, $want) = @_;
3275		3607
3276	while (my ($k, $v) = each %$want) {	3608	while (my ($k, $v) = each %$want) {
3277	$ns->fx_want ($k, $v);	3609	$ns->fx_want ($k, $v);
3278	}	3610	}
3279	};	3611	};
		3612
		3613	sub load_resource_file($) {
		3614	my $guard = lock_acquire "load_resource_file";
		3615
		3616	my $status = load_resource_file_ $_[0];
		3617	get_slot 0.1, 100;
		3618	cf::arch::commit_load;
		3619
		3620	$status
		3621	}
3280		3622
3281	sub reload_regions {	3623	sub reload_regions {
3282	# HACK to clear player env face cache, we need some signal framework	3624	# HACK to clear player env face cache, we need some signal framework
3283	# for this (global event?)	3625	# for this (global event?)
3284	%ext::player_env::MUSIC_FACE_CACHE = ();	3626	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3298	}	3640	}
3299		3641
3300	sub reload_archetypes {	3642	sub reload_archetypes {
3301	load_resource_file "$DATADIR/archetypes"	3643	load_resource_file "$DATADIR/archetypes"
3302	or die "unable to load archetypes\n";	3644	or die "unable to load archetypes\n";
3303	#d# NEED to laod twice to resolve forward references
3304	# this really needs to be done in an extra post-pass
3305	# (which needs to be synchronous, so solve it differently)
3306	load_resource_file "$DATADIR/archetypes"
3307	or die "unable to load archetypes\n";
3308	}	3645	}
3309		3646
3310	sub reload_treasures {	3647	sub reload_treasures {
3311	load_resource_file "$DATADIR/treasures"	3648	load_resource_file "$DATADIR/treasures"
3312	or die "unable to load treasurelists\n";	3649	or die "unable to load treasurelists\n";
3313	}	3650	}
3314		3651
		3652	sub reload_sound {
		3653	trace "loading sound config from $DATADIR/sound\n";
		3654
		3655	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3656
		3657	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3658	my $sound = $soundconf->{compat}[$_]
		3659	or next;
		3660
		3661	my $face = cf::face::find "sound/$sound->[1]";
		3662	cf::sound::set $sound->[0] => $face;
		3663	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3664	}
		3665
		3666	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3667	my $face = cf::face::find "sound/$v";
		3668	cf::sound::set $k => $face;
		3669	}
		3670	}
		3671
3315	sub reload_resources {	3672	sub reload_resources {
3316	warn "reloading resource files...\n";	3673	trace "reloading resource files...\n";
3317		3674
		3675	reload_exp_table;
		3676	reload_materials;
		3677	reload_facedata;
		3678	reload_sound;
		3679	reload_archetypes;
3318	reload_regions;	3680	reload_regions;
3319	reload_facedata;
3320	#reload_archetypes;#d#
3321	reload_archetypes;
3322	reload_treasures;	3681	reload_treasures;
3323		3682
3324	warn "finished reloading resource files\n";	3683	trace "finished reloading resource files\n";
3325	}
3326
3327	sub init {
3328	reload_resources;
3329	}	3684	}
3330		3685
3331	sub reload_config {	3686	sub reload_config {
3332	open my $fh, "<:utf8", "$CONFDIR/config"	3687	trace "reloading config file...\n";
3333	or return;
3334		3688
3335	local $/;	3689	my $config = load_file "$CONFDIR/config";
3336	*CFG = YAML::Load <$fh>;	3690	utf8::decode $config;
		3691	*CFG = decode_yaml $config;
3337		3692
3338	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3693	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3339		3694
3340	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3695	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3341	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3696	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3342		3697
3343	if (exists $CFG{mlockall}) {	3698	if (exists $CFG{mlockall}) {
…		…
3347	};	3702	};
3348	warn $@ if $@;	3703	warn $@ if $@;
3349	}	3704	}
3350	}	3705	}
3351		3706
		3707	sub pidfile() {
		3708	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3709	or die "$PIDFILE: $!";
		3710	flock $fh, &Fcntl::LOCK_EX
		3711	or die "$PIDFILE: flock: $!";
		3712	$fh
		3713	}
		3714
		3715	# make sure only one server instance is running at any one time
		3716	sub atomic {
		3717	my $fh = pidfile;
		3718
		3719	my $pid = <$fh>;
		3720	kill 9, $pid if $pid > 0;
		3721
		3722	seek $fh, 0, 0;
		3723	print $fh $$;
		3724	}
		3725
		3726	sub main_loop {
		3727	trace "EV::loop starting\n";
		3728	if (1) {
		3729	EV::loop;
		3730	}
		3731	trace "EV::loop returned\n";
		3732	goto &main_loop unless $REALLY_UNLOOP;
		3733	}
		3734
3352	sub main {	3735	sub main {
		3736	cf::init_globals; # initialise logging
		3737
		3738	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3739	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3740	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3741	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3742
		3743	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3744
3353	# we must not ever block the main coroutine	3745	# we must not ever block the main coroutine
3354	local $Coro::idle = sub {	3746	local $Coro::idle = sub {
3355	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3747	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3356	(async {	3748	(async {
3357	$Coro::current->{desc} = "IDLE BUG HANDLER";	3749	$Coro::current->{desc} = "IDLE BUG HANDLER";
3358	EV::loop EV::LOOP_ONESHOT;	3750	EV::loop EV::LOOP_ONESHOT;
3359	})->prio (Coro::PRIO_MAX);	3751	})->prio (Coro::PRIO_MAX);
3360	};	3752	};
3361		3753
		3754	evthread_start IO::AIO::poll_fileno;
		3755
		3756	cf::sync_job {
		3757	cf::incloader::init ();
		3758
		3759	cf::init_anim;
		3760	cf::init_attackmess;
		3761	cf::init_dynamic;
		3762
		3763	cf::load_settings;
		3764
		3765	reload_resources;
3362	reload_config;	3766	reload_config;
3363	db_init;	3767	db_init;
		3768
		3769	cf::init_uuid;
		3770	cf::init_signals;
		3771	cf::init_skills;
		3772
		3773	cf::init_beforeplay;
		3774
		3775	atomic;
		3776
3364	load_extensions;	3777	load_extensions;
3365		3778
3366	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3779	utime time, time, $RUNTIMEFILE;
3367	evthread_start;	3780
3368	EV::loop;	3781	# no (long-running) fork's whatsoever before this point(!)
		3782	use POSIX ();
		3783	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3784
		3785	cf::_post_init 0;
		3786	};
		3787
		3788	cf::object::thawer::errors_are_fatal 0;
		3789	info "parse errors in files are no longer fatal from this point on.\n";
		3790
		3791	AE::postpone {
		3792	undef &main; # free gobs of memory :)
		3793	};
		3794
		3795	goto &main_loop;
3369	}	3796	}
3370		3797
3371	#############################################################################	3798	#############################################################################
3372	# initialisation and cleanup	3799	# initialisation and cleanup
3373		3800
3374	# install some emergency cleanup handlers	3801	# install some emergency cleanup handlers
3375	BEGIN {	3802	BEGIN {
3376	our %SIGWATCHER = ();	3803	our %SIGWATCHER = ();
3377	for my $signal (qw(INT HUP TERM)) {	3804	for my $signal (qw(INT HUP TERM)) {
3378	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3805	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3379	cf::cleanup "SIG$signal";	3806	cf::cleanup "SIG$signal";
3380	};	3807	};
3381	}	3808	}
3382	}	3809	}
3383		3810
3384	sub write_runtime {	3811	sub write_runtime_sync {
3385	my $runtime = "$LOCALDIR/runtime";	3812	my $t0 = AE::time;
3386		3813
3387	# first touch the runtime file to show we are still running:	3814	# first touch the runtime file to show we are still running:
3388	# the fsync below can take a very very long time.	3815	# the fsync below can take a very very long time.
3389		3816
3390	IO::AIO::aio_utime $runtime, undef, undef;	3817	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3391		3818
3392	my $guard = cf::lock_acquire "write_runtime";	3819	my $guard = cf::lock_acquire "write_runtime";
3393		3820
3394	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3821	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3395	or return;	3822	or return;
3396		3823
3397	my $value = $cf::RUNTIME + 90 + 10;	3824	my $value = $cf::RUNTIME + 90 + 10;
3398	# 10 is the runtime save interval, for a monotonic clock	3825	# 10 is the runtime save interval, for a monotonic clock
3399	# 60 allows for the watchdog to kill the server.	3826	# 60 allows for the watchdog to kill the server.
…		…
3409	aio_utime $fh, undef, undef;	3836	aio_utime $fh, undef, undef;
3410		3837
3411	close $fh	3838	close $fh
3412	or return;	3839	or return;
3413		3840
3414	aio_rename "$runtime~", $runtime	3841	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3415	and return;	3842	and return;
3416		3843
3417	warn "runtime file written.\n";	3844	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3418		3845
3419	1	3846	1
		3847	}
		3848
		3849	our $uuid_lock;
		3850	our $uuid_skip;
		3851
		3852	sub write_uuid_sync($) {
		3853	$uuid_skip ||= $_[0];
		3854
		3855	return if $uuid_lock;
		3856	local $uuid_lock = 1;
		3857
		3858	my $uuid = "$LOCALDIR/uuid";
		3859
		3860	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3861	or return;
		3862
		3863	my $value = uuid_seq uuid_cur;
		3864
		3865	unless ($value) {
		3866	info "cowardly refusing to write zero uuid value!\n";
		3867	return;
		3868	}
		3869
		3870	my $value = uuid_str $value + $uuid_skip;
		3871	$uuid_skip = 0;
		3872
		3873	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3874	and return;
		3875
		3876	# always fsync - this file is important
		3877	aio_fsync $fh
		3878	and return;
		3879
		3880	close $fh
		3881	or return;
		3882
		3883	aio_rename "$uuid~", $uuid
		3884	and return;
		3885
		3886	trace "uuid file written ($value).\n";
		3887
		3888	1
		3889
		3890	}
		3891
		3892	sub write_uuid($$) {
		3893	my ($skip, $sync) = @_;
		3894
		3895	$sync ? write_uuid_sync $skip
		3896	: async { write_uuid_sync $skip };
3420	}	3897	}
3421		3898
3422	sub emergency_save() {	3899	sub emergency_save() {
3423	my $freeze_guard = cf::freeze_mainloop;	3900	my $freeze_guard = cf::freeze_mainloop;
3424		3901
3425	warn "enter emergency perl save\n";	3902	info "emergency_perl_save: enter\n";
		3903
		3904	# this is a trade-off: we want to be very quick here, so
		3905	# save all maps without fsync, and later call a global sync
		3906	# (which in turn might be very very slow)
		3907	local $USE_FSYNC = 0;
3426		3908
3427	cf::sync_job {	3909	cf::sync_job {
		3910	cf::write_runtime_sync; # external watchdog should not bark
		3911
3428	# use a peculiar iteration method to avoid tripping on perl	3912	# use a peculiar iteration method to avoid tripping on perl
3429	# refcount bugs in for. also avoids problems with players	3913	# refcount bugs in for. also avoids problems with players
3430	# and maps saved/destroyed asynchronously.	3914	# and maps saved/destroyed asynchronously.
3431	warn "begin emergency player save\n";	3915	info "emergency_perl_save: begin player save\n";
3432	for my $login (keys %cf::PLAYER) {	3916	for my $login (keys %cf::PLAYER) {
3433	my $pl = $cf::PLAYER{$login} or next;	3917	my $pl = $cf::PLAYER{$login} or next;
3434	$pl->valid or next;	3918	$pl->valid or next;
3435	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3919	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3436	$pl->save;	3920	$pl->save;
3437	}	3921	}
3438	warn "end emergency player save\n";	3922	info "emergency_perl_save: end player save\n";
3439		3923
3440	warn "begin emergency map save\n";	3924	cf::write_runtime_sync; # external watchdog should not bark
		3925
		3926	info "emergency_perl_save: begin map save\n";
3441	for my $path (keys %cf::MAP) {	3927	for my $path (keys %cf::MAP) {
3442	my $map = $cf::MAP{$path} or next;	3928	my $map = $cf::MAP{$path} or next;
3443	$map->valid or next;	3929	$map->valid or next;
3444	$map->save;	3930	$map->save;
3445	}	3931	}
3446	warn "end emergency map save\n";	3932	info "emergency_perl_save: end map save\n";
3447		3933
3448	warn "begin emergency database checkpoint\n";	3934	cf::write_runtime_sync; # external watchdog should not bark
		3935
		3936	info "emergency_perl_save: begin database checkpoint\n";
3449	BDB::db_env_txn_checkpoint $DB_ENV;	3937	BDB::db_env_txn_checkpoint $DB_ENV;
3450	warn "end emergency database checkpoint\n";	3938	info "emergency_perl_save: end database checkpoint\n";
		3939
		3940	info "emergency_perl_save: begin write uuid\n";
		3941	write_uuid_sync 1;
		3942	info "emergency_perl_save: end write uuid\n";
		3943
		3944	cf::write_runtime_sync; # external watchdog should not bark
		3945
		3946	trace "emergency_perl_save: syncing database to disk";
		3947	BDB::db_env_txn_checkpoint $DB_ENV;
		3948
		3949	info "emergency_perl_save: starting sync\n";
		3950	IO::AIO::aio_sync sub {
		3951	info "emergency_perl_save: finished sync\n";
		3952	};
		3953
		3954	cf::write_runtime_sync; # external watchdog should not bark
		3955
		3956	trace "emergency_perl_save: flushing outstanding aio requests";
		3957	while (IO::AIO::nreqs || BDB::nreqs) {
		3958	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3959	}
		3960
		3961	cf::write_runtime_sync; # external watchdog should not bark
3451	};	3962	};
3452		3963
3453	warn "leave emergency perl save\n";	3964	info "emergency_perl_save: leave\n";
3454	}	3965	}
3455		3966
3456	sub post_cleanup {	3967	sub post_cleanup {
3457	my ($make_core) = @_;	3968	my ($make_core) = @_;
3458		3969
		3970	IO::AIO::flush;
		3971
3459	warn Carp::longmess "post_cleanup backtrace"	3972	error Carp::longmess "post_cleanup backtrace"
3460	if $make_core;	3973	if $make_core;
		3974
		3975	my $fh = pidfile;
		3976	unlink $PIDFILE if <$fh> == $$;
		3977	}
		3978
		3979	# a safer delete_package, copied from Symbol
		3980	sub clear_package($) {
		3981	my $pkg = shift;
		3982
		3983	# expand to full symbol table name if needed
		3984	unless ($pkg =~ /^main::.*::$/) {
		3985	$pkg = "main$pkg" if $pkg =~ /^::/;
		3986	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3987	$pkg .= '::' unless $pkg =~ /::$/;
		3988	}
		3989
		3990	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3991	my $stem_symtab = *{$stem}{HASH};
		3992
		3993	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3994	or return;
		3995
		3996	# clear all symbols
		3997	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3998	for my $name (keys %$leaf_symtab) {
		3999	_gv_clear *{"$pkg$name"};
		4000	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4001	}
3461	}	4002	}
3462		4003
3463	sub do_reload_perl() {	4004	sub do_reload_perl() {
3464	# can/must only be called in main	4005	# can/must only be called in main
3465	if ($Coro::current != $Coro::main) {	4006	unless (in_main) {
3466	warn "can only reload from main coroutine";	4007	error "can only reload from main coroutine";
3467	return;	4008	return;
3468	}	4009	}
3469		4010
3470	warn "reloading...";	4011	return if $RELOAD++;
3471		4012
3472	warn "entering sync_job";	4013	my $t1 = AE::time;
3473		4014
		4015	while ($RELOAD) {
		4016	cf::get_slot 0.1, -1, "reload_perl";
		4017	info "perl_reload: reloading...";
		4018
		4019	trace "perl_reload: entering sync_job";
		4020
3474	cf::sync_job {	4021	cf::sync_job {
3475	cf::write_runtime; # external watchdog should not bark
3476	cf::emergency_save;	4022	#cf::emergency_save;
3477	cf::write_runtime; # external watchdog should not bark
3478		4023
3479	warn "syncing database to disk";
3480	BDB::db_env_txn_checkpoint $DB_ENV;
3481
3482	# if anything goes wrong in here, we should simply crash as we already saved
3483
3484	warn "flushing outstanding aio requests";
3485	for (;;) {
3486	BDB::flush;
3487	IO::AIO::flush;
3488	Coro::cede_notself;
3489	last unless IO::AIO::nreqs || BDB::nreqs;
3490	warn "iterate...";
3491	}
3492
3493	++$RELOAD;
3494
3495	warn "cancelling all extension coros";	4024	trace "perl_reload: cancelling all extension coros";
3496	$_->cancel for values %EXT_CORO;	4025	$_->cancel for values %EXT_CORO;
3497	%EXT_CORO = ();	4026	%EXT_CORO = ();
3498		4027
3499	warn "removing commands";	4028	trace "perl_reload: removing commands";
3500	%COMMAND = ();	4029	%COMMAND = ();
3501		4030
3502	warn "removing ext/exti commands";	4031	trace "perl_reload: removing ext/exti commands";
3503	%EXTCMD = ();	4032	%EXTCMD = ();
3504	%EXTICMD = ();	4033	%EXTICMD = ();
3505		4034
3506	warn "unloading/nuking all extensions";	4035	trace "perl_reload: unloading/nuking all extensions";
3507	for my $pkg (@EXTS) {	4036	for my $pkg (@EXTS) {
3508	warn "... unloading $pkg";	4037	trace "... unloading $pkg";
3509		4038
3510	if (my $cb = $pkg->can ("unload")) {	4039	if (my $cb = $pkg->can ("unload")) {
3511	eval {	4040	eval {
3512	$cb->($pkg);	4041	$cb->($pkg);
3513	1	4042	1
3514	} or warn "$pkg unloaded, but with errors: $@";	4043	} or error "$pkg unloaded, but with errors: $@";
		4044	}
		4045
		4046	trace "... clearing $pkg";
		4047	clear_package $pkg;
3515	}	4048	}
3516		4049
3517	warn "... nuking $pkg";
3518	Symbol::delete_package $pkg;
3519	}
3520
3521	warn "unloading all perl modules loaded from $LIBDIR";	4050	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3522	while (my ($k, $v) = each %INC) {	4051	while (my ($k, $v) = each %INC) {
3523	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4052	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3524		4053
3525	warn "... unloading $k";	4054	trace "... unloading $k";
3526	delete $INC{$k};	4055	delete $INC{$k};
3527		4056
3528	$k =~ s/\.pm$//;	4057	$k =~ s/\.pm$//;
3529	$k =~ s/\//::/g;	4058	$k =~ s/\//::/g;
3530		4059
3531	if (my $cb = $k->can ("unload_module")) {	4060	if (my $cb = $k->can ("unload_module")) {
3532	$cb->();	4061	$cb->();
		4062	}
		4063
		4064	clear_package $k;
3533	}	4065	}
3534		4066
3535	Symbol::delete_package $k;
3536	}
3537
3538	warn "getting rid of safe::, as good as possible";	4067	trace "perl_reload: getting rid of safe::, as good as possible";
3539	Symbol::delete_package "safe::$_"	4068	clear_package "safe::$_"
3540	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4069	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3541		4070
3542	warn "unloading cf.pm \"a bit\"";	4071	trace "perl_reload: unloading cf.pm \"a bit\"";
3543	delete $INC{"cf.pm"};	4072	delete $INC{"cf.pm"};
3544	delete $INC{"cf/pod.pm"};	4073	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3545		4074
3546	# don't, removes xs symbols, too,	4075	# don't, removes xs symbols, too,
3547	# and global variables created in xs	4076	# and global variables created in xs
3548	#Symbol::delete_package __PACKAGE__;	4077	#clear_package __PACKAGE__;
3549		4078
3550	warn "unload completed, starting to reload now";	4079	info "perl_reload: unload completed, starting to reload now";
3551		4080
3552	warn "reloading cf.pm";	4081	trace "perl_reload: reloading cf.pm";
3553	require cf;	4082	require cf;
3554	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4083	cf::_connect_to_perl_1;
3555		4084
3556	warn "loading config and database again";	4085	trace "perl_reload: loading config and database again";
3557	cf::reload_config;	4086	cf::reload_config;
3558		4087
3559	warn "loading extensions";	4088	trace "perl_reload: loading extensions";
3560	cf::load_extensions;	4089	cf::load_extensions;
3561		4090
		4091	if ($REATTACH_ON_RELOAD) {
3562	warn "reattaching attachments to objects/players";	4092	trace "perl_reload: reattaching attachments to objects/players";
3563	_global_reattach; # objects, sockets	4093	_global_reattach; # objects, sockets
3564	warn "reattaching attachments to maps";	4094	trace "perl_reload: reattaching attachments to maps";
3565	reattach $_ for values %MAP;	4095	reattach $_ for values %MAP;
3566	warn "reattaching attachments to players";	4096	trace "perl_reload: reattaching attachments to players";
3567	reattach $_ for values %PLAYER;	4097	reattach $_ for values %PLAYER;
		4098	}
3568		4099
3569	warn "leaving sync_job";	4100	cf::_post_init 1;
3570		4101
		4102	trace "perl_reload: leaving sync_job";
		4103
3571	1	4104	1
3572	} or do {	4105	} or do {
3573	warn $@;	4106	error $@;
3574	cf::cleanup "error while reloading, exiting.";	4107	cf::cleanup "perl_reload: error, exiting.";
		4108	};
		4109
		4110	--$RELOAD;
3575	};	4111	}
3576		4112
3577	warn "reloaded";	4113	$t1 = AE::time - $t1;
		4114	info "perl_reload: completed in ${t1}s\n";
3578	};	4115	};
3579		4116
3580	our $RELOAD_WATCHER; # used only during reload	4117	our $RELOAD_WATCHER; # used only during reload
3581		4118
3582	sub reload_perl() {	4119	sub reload_perl() {
3583	# doing reload synchronously and two reloads happen back-to-back,	4120	# doing reload synchronously and two reloads happen back-to-back,
3584	# coro crashes during coro_state_free->destroy here.	4121	# coro crashes during coro_state_free->destroy here.
3585		4122
		4123	$RELOAD_WATCHER ||= cf::async {
		4124	Coro::AIO::aio_wait cache_extensions;
		4125
3586	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4126	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3587	do_reload_perl;	4127	do_reload_perl;
3588	undef $RELOAD_WATCHER;	4128	undef $RELOAD_WATCHER;
		4129	};
3589	};	4130	};
3590	}	4131	}
3591		4132
3592	register_command "reload" => sub {	4133	register_command "reload" => sub {
3593	my ($who, $arg) = @_;	4134	my ($who, $arg) = @_;
…		…
3599	reload_perl;	4140	reload_perl;
3600	};	4141	};
3601	}	4142	}
3602	};	4143	};
3603		4144
3604	unshift @INC, $LIBDIR;	4145	#############################################################################
3605		4146
3606	my $bug_warning = 0;	4147	my $bug_warning = 0;
3607		4148
3608	our @WAIT_FOR_TICK;
3609	our @WAIT_FOR_TICK_BEGIN;
3610
3611	sub wait_for_tick {	4149	sub wait_for_tick() {
3612	return if tick_inhibit;	4150	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3613	return if $Coro::current == $Coro::main;
3614		4151
3615	my $signal = new Coro::Signal;	4152	$WAIT_FOR_TICK->wait;
3616	push @WAIT_FOR_TICK, $signal;
3617	$signal->wait;
3618	}	4153	}
3619		4154
3620	sub wait_for_tick_begin {	4155	sub wait_for_tick_begin() {
3621	return if tick_inhibit;	4156	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3622	return if $Coro::current == $Coro::main;
3623		4157
3624	my $signal = new Coro::Signal;	4158	my $signal = new Coro::Signal;
3625	push @WAIT_FOR_TICK_BEGIN, $signal;	4159	push @WAIT_FOR_TICK_BEGIN, $signal;
3626	$signal->wait;	4160	$signal->wait;
3627	}	4161	}
…		…
3631	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4165	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3632	unless ++$bug_warning > 10;	4166	unless ++$bug_warning > 10;
3633	return;	4167	return;
3634	}	4168	}
3635		4169
3636	cf::server_tick; # one server iteration	4170	cf::one_tick; # one server iteration
		4171
		4172	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3637		4173
3638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4174	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3639	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4175	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3640	Coro::async_pool {	4176	Coro::async_pool {
3641	$Coro::current->{desc} = "runtime saver";	4177	$Coro::current->{desc} = "runtime saver";
3642	write_runtime	4178	write_runtime_sync
3643	or warn "ERROR: unable to write runtime file: $!";	4179	or error "ERROR: unable to write runtime file: $!";
3644	};	4180	};
3645	}	4181	}
3646		4182
3647	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4183	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3648	$sig->send;	4184	$sig->send;
3649	}	4185	}
3650	while (my $sig = shift @WAIT_FOR_TICK) {	4186	$WAIT_FOR_TICK->broadcast;
3651	$sig->send;
3652	}
3653		4187
3654	$LOAD = ($NOW - $TICK_START) / $TICK;	4188	$LOAD = ($NOW - $TICK_START) / $TICK;
3655	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4189	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3656		4190
3657	if (0) {	4191	if (0) {
3658	if ($NEXT_TICK) {	4192	if ($NEXT_TICK) {
3659	my $jitter = $TICK_START - $NEXT_TICK;	4193	my $jitter = $TICK_START - $NEXT_TICK;
3660	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4194	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3661	warn "jitter $JITTER\n";#d#	4195	debug "jitter $JITTER\n";#d#
3662	}	4196	}
3663	}	4197	}
3664	}	4198	}
3665		4199
3666	{	4200	{
3667	# configure BDB	4201	# configure BDB
3668		4202
3669	BDB::min_parallel 8;	4203	BDB::min_parallel 16;
3670	BDB::max_poll_reqs $TICK * 0.1;	4204	BDB::max_poll_reqs $TICK * 0.1;
3671	$Coro::BDB::WATCHER->priority (1);	4205	#$AnyEvent::BDB::WATCHER->priority (1);
3672		4206
3673	unless ($DB_ENV) {	4207	unless ($DB_ENV) {
3674	$DB_ENV = BDB::db_env_create;	4208	$DB_ENV = BDB::db_env_create;
3675	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4209	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3676	| BDB::LOG_AUTOREMOVE, 1);	4210	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4211	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3677	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4212	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3678	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4213	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3679		4214
3680	cf::sync_job {	4215	cf::sync_job {
3681	eval {	4216	eval {
…		…
3707	{	4242	{
3708	# configure IO::AIO	4243	# configure IO::AIO
3709		4244
3710	IO::AIO::min_parallel 8;	4245	IO::AIO::min_parallel 8;
3711	IO::AIO::max_poll_time $TICK * 0.1;	4246	IO::AIO::max_poll_time $TICK * 0.1;
3712	$Coro::AIO::WATCHER->priority (1);	4247	undef $AnyEvent::AIO::WATCHER;
3713	}	4248	}
3714		4249
3715	my $_log_backtrace;	4250	our $_log_backtrace;
		4251	our $_log_backtrace_last;
3716		4252
3717	sub _log_backtrace {	4253	sub _log_backtrace {
3718	my ($msg, @addr) = @_;	4254	my ($msg, @addr) = @_;
3719		4255
3720	$msg =~ s/\n//;	4256	$msg =~ s/\n$//;
3721		4257
		4258	if ($_log_backtrace_last eq $msg) {
		4259	LOG llevInfo, "[ABT] $msg\n";
		4260	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3722	# limit the # of concurrent backtraces	4261	# limit the # of concurrent backtraces
3723	if ($_log_backtrace < 2) {	4262	} elsif ($_log_backtrace < 2) {
		4263	$_log_backtrace_last = $msg;
3724	++$_log_backtrace;	4264	++$_log_backtrace;
		4265	my $perl_bt = Carp::longmess $msg;
3725	async {	4266	async {
3726	$Coro::current->{desc} = "abt $msg";	4267	$Coro::current->{desc} = "abt $msg";
3727		4268
3728	my @bt = fork_call {	4269	my @bt = fork_call {
3729	@addr = map { sprintf "%x", $_ } @addr;	4270	@addr = map { sprintf "%x", $_ } @addr;
…		…
3740	}	4281	}
3741		4282
3742	@funcs	4283	@funcs
3743	};	4284	};
3744		4285
3745	LOG llevInfo, "[ABT] $msg\n";	4286	LOG llevInfo, "[ABT] $perl_bt\n";
		4287	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3746	LOG llevInfo, "[ABT] $_\n" for @bt;	4288	LOG llevInfo, "[ABT] $_\n" for @bt;
3747	--$_log_backtrace;	4289	--$_log_backtrace;
3748	};	4290	};
3749	} else {	4291	} else {
3750	LOG llevInfo, "[ABT] $msg\n";	4292	LOG llevInfo, "[ABT] $msg\n";
3751	LOG llevInfo, "[ABT] [suppressed]\n";	4293	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3752	}	4294	}
3753	}	4295	}
3754		4296
3755	# load additional modules	4297	# load additional modules
3756	use cf::pod;	4298	require "cf/$_.pm" for @EXTRA_MODULES;
		4299	cf::_connect_to_perl_2;
3757		4300
3758	END { cf::emergency_save }	4301	END { cf::emergency_save }
3759		4302
3760	1	4303	1
3761		4304

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