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Revision 1.413 by root, Sun Apr 6 16:13:20 2008 UTC vs.
Revision 1.581 by root, Fri Feb 3 02:04:11 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	# <http://www.gnu.org/licenses/>.
18	#	19	#
19	# The authors can be reached via e-mail to <support@deliantra.net>	20	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	21	#
21		22
22	package cf;	23	package cf;
23		24
24	use utf8;	25	use common::sense;
25	use strict;
26		26
27	use Symbol;	27	use Symbol;
28	use List::Util;	28	use List::Util;
29	use Socket;	29	use Socket;
30	use EV 3.2;	30	use EV;
31	use Opcode;	31	use Opcode;
32	use Safe;	32	use Safe;
33	use Safe::Hole;	33	use Safe::Hole;
34	use Storable ();	34	use Storable ();
		35	use Carp ();
35		36
		37	use Guard ();
36	use Coro 4.32 ();	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;
107		134
108	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
109	our $RUNTIME;	136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
110	our $NOW;	138	our $NOW;
111		139
112	our (%PLAYER, %PLAYER_LOADING); # all users	140	our (%PLAYER, %PLAYER_LOADING); # all users
113	our (%MAP, %MAP_LOADING ); # all maps	141	our (%MAP, %MAP_LOADING ); # all maps
114	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
…		…
119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	147	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
120	our $LOADAVG; # same thing, but with alpha-smoothing	148	our $LOADAVG; # same thing, but with alpha-smoothing
121	our $JITTER; # average jitter	149	our $JITTER; # average jitter
122	our $TICK_START; # for load detecting purposes	150	our $TICK_START; # for load detecting purposes
123		151
		152	our @POST_INIT;
		153
		154	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		155	our $REALLY_UNLOOP; # never set to true, please :)
		156
		157	our $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
		159
124	binmode STDOUT;	160	binmode STDOUT;
125	binmode STDERR;	161	binmode STDERR;
126		162
127	# read virtual server time, if available	163	# read virtual server time, if available
128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
129	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
130	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
131	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
132	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
133		171
134	mkdir $_	172	mkdir $_
135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
136		174
137	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
138		176
139	sub cf::map::normalise;	177	sub cf::map::normalise;
140		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
141	#############################################################################	183	#############################################################################
142		184
		185	%REFLECT = ();
		186	for (@REFLECT) {
		187	my $reflect = JSON::XS::decode_json $_;
		188	$REFLECT{$reflect->{class}} = $reflect;
		189	}
		190
		191	# this is decidedly evil
		192	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		193
		194	#############################################################################
		195
143	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
144		197
145	=over 4	198	=over 4
146		199
147	=item $cf::UPTIME	200	=item $cf::UPTIME
148		201
149	The timestamp of the server start (so not actually an uptime).	202	The timestamp of the server start (so not actually an "uptime").
		203
		204	=item $cf::SERVER_TICK
		205
		206	An unsigned integer that starts at zero when the server is started and is
		207	incremented on every tick.
		208
		209	=item $cf::NOW
		210
		211	The (real) time of the last (current) server tick - updated before and
		212	after tick processing, so this is useful only as a rough "what time is it
		213	now" estimate.
		214
		215	=item $cf::TICK
		216
		217	The interval between each server tick, in seconds.
150		218
151	=item $cf::RUNTIME	219	=item $cf::RUNTIME
152		220
153	The time this server has run, starts at 0 and is increased by $cf::TICK on	221	The time this server has run, starts at 0 and is increased by $cf::TICK on
154	every server tick.	222	every server tick.
…		…
160	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
161	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
162	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
163	database environment.	231	database environment.
164		232
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	233	=item $cf::LOADAVG
174		234
175	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
176	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
177	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
186	from wherever your confdir points to.	246	from wherever your confdir points to.
187		247
188	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
189		249
190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
191	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
193		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$cf::WAIT_FOR_TICK>).
		258
		259	=item $cf::WAIT_FOR_TICK
		260
		261	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		262	variable contains a L<Coro::Signal> that is broadcats after every server
		263	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		264	next server tick.
		265
		266	=cut
		267
		268	sub wait_for_tick();
		269	sub wait_for_tick_begin();
		270
194	=item @cf::INVOKE_RESULTS	271	=item @cf::INVOKE_RESULTS
195		272
196	This array contains the results of the last C<invoke ()> call. When	273	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	274	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
198	that call.	275	that call.
199		276
		277	=item %cf::REFLECT
		278
		279	Contains, for each (C++) class name, a hash reference with information
		280	about object members (methods, scalars, arrays and flags) and other
		281	metadata, which is useful for introspection.
		282
200	=back	283	=back
201		284
202	=cut	285	=cut
203		286
204	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
205	*CORE::GLOBAL::warn = sub {	288	sub warn (@) { LOG llevWarn , join "", @_ }
		289	sub info (@) { LOG llevInfo , join "", @_ }
		290	sub debug(@) { LOG llevDebug, join "", @_ }
		291	sub trace(@) { LOG llevTrace, join "", @_ }
		292
		293	$Coro::State::WARNHOOK = sub {
206	my $msg = join "", @_;	294	my $msg = join "", @_;
207		295
208	$msg .= "\n"	296	$msg .= "\n"
209	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
210		298
211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
212		300
213	LOG llevError, $msg;	301	LOG llevWarn, $msg;
214	};	302	};
215	}
216		303
217	$Coro::State::DIEHOOK = sub {	304	$Coro::State::DIEHOOK = sub {
218	return unless $^S eq 0; # "eq", not "=="	305	return unless $^S eq 0; # "eq", not "=="
219		306
220	if ($Coro::current == $Coro::main) {#d#	307	error Carp::longmess $_[0];
		308
		309	if (in_main) {#d#
221	warn "DIEHOOK called in main context, Coro bug?\n";#d#	310	error "DIEHOOK called in main context, Coro bug?\n";#d#
222	return;#d#	311	return;#d#
223	}#d#	312	}#d#
224		313
225	# kill coroutine otherwise	314	# kill coroutine otherwise
226	warn Carp::longmess $_[0];
227	Coro::terminate	315	Coro::terminate
228	};	316	};
229
230	$SIG{__DIE__} = sub { }; #d#?
231		317
232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
242	for my $pkg (qw(	328	for my $pkg (qw(
243	cf::global cf::attachable	329	cf::global cf::attachable
244	cf::object cf::object::player	330	cf::object cf::object::player
245	cf::client cf::player	331	cf::client cf::player
246	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
247	cf::map cf::party cf::region	334	cf::party cf::region
248	)) {	335	)) {
249	no strict 'refs';
250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
251	}	337	}
252		338
253	$EV::DIED = sub {	339	$EV::DIED = sub {
254	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
255	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
256		347
257	#############################################################################	348	#############################################################################
258		349
259	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
260		351
…		…
281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	372	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
282	$d	373	$d
283	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
284	}	375	}
285		376
		377	=item $scalar = cf::load_file $path
		378
		379	Loads the given file from path and returns its contents. Croaks on error
		380	and can block.
		381
		382	=cut
		383
		384	sub load_file($) {
		385	0 <= aio_load $_[0], my $data
		386	or Carp::croak "$_[0]: $!";
		387
		388	$data
		389	}
		390
		391	=item $success = cf::replace_file $path, $data, $sync
		392
		393	Atomically replaces the file at the given $path with new $data, and
		394	optionally $sync the data to disk before replacing the file.
		395
		396	=cut
		397
		398	sub replace_file($$;$) {
		399	my ($path, $data, $sync) = @_;
		400
		401	my $lock = cf::lock_acquire ("replace_file:$path");
		402
		403	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		404	or return;
		405
		406	$data = $data->() if ref $data;
		407
		408	length $data == aio_write $fh, 0, (length $data), $data, 0
		409	or return;
		410
		411	!$sync
		412	or !aio_fsync $fh
		413	or return;
		414
		415	aio_close $fh
		416	and return;
		417
		418	aio_rename "$path~", $path
		419	and return;
		420
		421	if ($sync) {
		422	$path =~ s%/[^/]*$%%;
		423	aio_pathsync $path;
		424	}
		425
		426	1
		427	}
		428
286	=item $ref = cf::decode_json $json	429	=item $ref = cf::decode_json $json
287		430
288	Converts a JSON string into the corresponding perl data structure.	431	Converts a JSON string into the corresponding perl data structure.
289		432
290	=item $json = cf::encode_json $ref	433	=item $json = cf::encode_json $ref
…		…
296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	439	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
297		440
298	sub encode_json($) { $json_coder->encode ($_[0]) }	441	sub encode_json($) { $json_coder->encode ($_[0]) }
299	sub decode_json($) { $json_coder->decode ($_[0]) }	442	sub decode_json($) { $json_coder->decode ($_[0]) }
300		443
		444	=item $ref = cf::decode_storable $scalar
		445
		446	Same as Coro::Storable::thaw, so blocks.
		447
		448	=cut
		449
		450	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		451
		452	=item $ref = cf::decode_yaml $scalar
		453
		454	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		455
		456	=cut
		457
		458	sub decode_yaml($) {
		459	fork_call { YAML::XS::Load $_[0] } @_
		460	}
		461
		462	=item $scalar = cf::unlzf $scalar
		463
		464	Same as Compress::LZF::compress, but takes server ticks into account, so
		465	blocks.
		466
		467	=cut
		468
		469	sub unlzf($) {
		470	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		471	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		472	Compress::LZF::decompress $_[0]
		473	}
		474
		475	=item cf::post_init { BLOCK }
		476
		477	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		478	but I<before> the server starts ticking again.
		479
		480	The codeblock will have a single boolean argument to indicate whether this
		481	is a reload or not.
		482
		483	=cut
		484
		485	sub post_init(&) {
		486	push @POST_INIT, shift;
		487	}
		488
		489	sub _post_init {
		490	trace "running post_init jobs";
		491
		492	# run them in parallel...
		493
		494	my @join;
		495
		496	while () {
		497	push @join, map &Coro::async ($_, 0), @POST_INIT;
		498	@POST_INIT = ();
		499
		500	@join or last;
		501
		502	(pop @join)->join;
		503	}
		504	}
		505
301	=item cf::lock_wait $string	506	=item cf::lock_wait $string
302		507
303	Wait until the given lock is available. See cf::lock_acquire.	508	Wait until the given lock is available. See cf::lock_acquire.
304		509
305	=item my $lock = cf::lock_acquire $string	510	=item my $lock = cf::lock_acquire $string
306		511
307	Wait until the given lock is available and then acquires it and returns	512	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,	513	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	514	for example when the coroutine gets canceled), the lock is automatically
310	returned.	515	returned.
311		516
312	Locks are *not* recursive, locking from the same coro twice results in a	517	Locks are *not* recursive, locking from the same coro twice results in a
313	deadlocked coro.	518	deadlocked coro.
…		…
319		524
320	Return true if the lock is currently active, i.e. somebody has locked it.	525	Return true if the lock is currently active, i.e. somebody has locked it.
321		526
322	=cut	527	=cut
323		528
324	our %LOCK;	529	our $LOCKS = new Coro::SemaphoreSet;
325	our %LOCKER;#d#
326		530
327	sub lock_wait($) {	531	sub lock_wait($) {
328	my ($key) = @_;	532	$LOCKS->wait ($_[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} }, $Coro::current;
338	Coro::schedule;
339	}
340	}	533	}
341		534
342	sub lock_acquire($) {	535	sub lock_acquire($) {
343	my ($key) = @_;	536	$LOCKS->guard ($_[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	}	537	}
357		538
358	sub lock_active($) {	539	sub lock_active($) {
359	my ($key) = @_;	540	$LOCKS->count ($_[0]) < 1
360
361	! ! $LOCK{$key}
362	}	541	}
363		542
364	sub freeze_mainloop {	543	sub freeze_mainloop {
365	tick_inhibit_inc;	544	tick_inhibit_inc;
366		545
367	Coro::guard \&tick_inhibit_dec;	546	&Guard::guard (\&tick_inhibit_dec);
368	}	547	}
369		548
370	=item cf::periodic $interval, $cb	549	=item cf::periodic $interval, $cb
371		550
372	Like EV::periodic, but randomly selects a starting point so that the actions	551	Like EV::periodic, but randomly selects a starting point so that the actions
373	get spread over timer.	552	get spread over time.
374		553
375	=cut	554	=cut
376		555
377	sub periodic($$) {	556	sub periodic($$) {
378	my ($interval, $cb) = @_;	557	my ($interval, $cb) = @_;
…		…
382	EV::periodic $start, $interval, 0, $cb	561	EV::periodic $start, $interval, 0, $cb
383	}	562	}
384		563
385	=item cf::get_slot $time[, $priority[, $name]]	564	=item cf::get_slot $time[, $priority[, $name]]
386		565
387	Allocate $time seconds of blocking CPU time at priority C<$priority>:	566	Allocate $time seconds of blocking CPU time at priority C<$priority>
388	This call blocks and returns only when you have at least C<$time> seconds	567	(default: 0): This call blocks and returns only when you have at least
389	of cpu time till the next tick. The slot is only valid till the next cede.	568	C<$time> seconds of cpu time till the next tick. The slot is only valid
		569	till the next cede.
		570
		571	Background jobs should use a priority les than zero, interactive jobs
		572	should use 100 or more.
390		573
391	The optional C<$name> can be used to identify the job to run. It might be	574	The optional C<$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.	575	used for statistical purposes and should identify the same time-class.
393		576
394	Useful for short background jobs.	577	Useful for short background jobs.
395		578
396	=cut	579	=cut
397		580
398	our @SLOT_QUEUE;	581	our @SLOT_QUEUE;
399	our $SLOT_QUEUE;	582	our $SLOT_QUEUE;
		583	our $SLOT_DECAY = 0.9;
400		584
401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	585	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
402	$SLOT_QUEUE = Coro::async {	586	$SLOT_QUEUE = Coro::async {
403	$Coro::current->desc ("timeslot manager");	587	$Coro::current->desc ("timeslot manager");
404		588
405	my $signal = new Coro::Signal;	589	my $signal = new Coro::Signal;
		590	my $busy;
406		591
407	while () {	592	while () {
408	next_job:	593	next_job:
		594
409	my $avail = cf::till_tick;	595	my $avail = cf::till_tick;
410	if ($avail > 0.01) {	596
411	for (0 .. $#SLOT_QUEUE) {	597	for (0 .. $#SLOT_QUEUE) {
412	if ($SLOT_QUEUE[$_][0] < $avail) {	598	if ($SLOT_QUEUE[$_][0] <= $avail) {
		599	$busy = 0;
413	my $job = splice @SLOT_QUEUE, $_, 1, ();	600	my $job = splice @SLOT_QUEUE, $_, 1, ();
414	$job->[2]->send;	601	$job->[2]->send;
415	Coro::cede;	602	Coro::cede;
416	goto next_job;	603	goto next_job;
417	}	604	} else {
		605	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
418	}	606	}
419	}	607	}
420		608
421	if (@SLOT_QUEUE) {	609	if (@SLOT_QUEUE) {
422	# we do not use wait_for_tick() as it returns immediately when tick is inactive	610	# we do not use wait_for_tick() as it returns immediately when tick is inactive
423	push @cf::WAIT_FOR_TICK, $signal;	611	$WAIT_FOR_TICK->wait;
424	$signal->wait;
425	} else {	612	} else {
		613	$busy = 0;
426	Coro::schedule;	614	Coro::schedule;
427	}	615	}
428	}	616	}
429	};	617	};
430		618
431	sub get_slot($;$$) {	619	sub get_slot($;$$) {
		620	return if tick_inhibit || $Coro::current == $Coro::main;
		621
432	my ($time, $pri, $name) = @_;	622	my ($time, $pri, $name) = @_;
433		623
434	$time = $TICK * .6 if $time > $TICK * .6;	624	$time = clamp $time, 0.01, $TICK * .6;
		625
435	my $sig = new Coro::Signal;	626	my $sig = new Coro::Signal;
436		627
437	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	628	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
438	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	629	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
439	$SLOT_QUEUE->ready;	630	$SLOT_QUEUE->ready;
…		…
465	=cut	656	=cut
466		657
467	sub sync_job(&) {	658	sub sync_job(&) {
468	my ($job) = @_;	659	my ($job) = @_;
469		660
470	if ($Coro::current == $Coro::main) {	661	if (in_main) {
471	my $time = EV::time;	662	my $time = AE::time;
472		663
473	# this is the main coro, too bad, we have to block	664	# this is the main coro, too bad, we have to block
474	# till the operation succeeds, freezing the server :/	665	# till the operation succeeds, freezing the server :/
475		666
476	LOG llevError, Carp::longmess "sync job";#d#	667	#LOG llevError, Carp::longmess "sync job";#d#
477		668
478	my $freeze_guard = freeze_mainloop;	669	my $freeze_guard = freeze_mainloop;
479		670
480	my $busy = 1;	671	my $busy = 1;
481	my @res;	672	my @res;
482		673
483	(async {	674	(async {
484	$Coro::current->desc ("sync job coro");	675	$Coro::current->desc ("sync job coro");
485	@res = eval { $job->() };	676	@res = eval { $job->() };
486	warn $@ if $@;	677	error $@ if $@;
487	undef $busy;	678	undef $busy;
488	})->prio (Coro::PRIO_MAX);	679	})->prio (Coro::PRIO_MAX);
489		680
490	while ($busy) {	681	while ($busy) {
491	if (Coro::nready) {	682	if (Coro::nready) {
…		…
493	} else {	684	} else {
494	EV::loop EV::LOOP_ONESHOT;	685	EV::loop EV::LOOP_ONESHOT;
495	}	686	}
496	}	687	}
497		688
498	my $time = EV::time - $time;	689	my $time = AE::time - $time;
499		690
500	$TICK_START += $time; # do not account sync jobs to server load	691	$TICK_START += $time; # do not account sync jobs to server load
501		692
502	wantarray ? @res : $res[0]	693	wantarray ? @res : $res[0]
503	} else {	694	} else {
…		…
525	$EXT_CORO{$coro+0} = $coro;	716	$EXT_CORO{$coro+0} = $coro;
526		717
527	$coro	718	$coro
528	}	719	}
529		720
530	=item fork_call { }, $args	721	=item fork_call { }, @args
531		722
532	Executes the given code block with the given arguments in a seperate	723	Executes the given code block with the given arguments in a seperate
533	process, returning the results. Everything must be serialisable with	724	process, returning the results. Everything must be serialisable with
534	Coro::Storable. May, of course, block. Note that the executed sub may	725	Coro::Storable. May, of course, block. Note that the executed sub may
535	never block itself or use any form of event handling.	726	never block itself or use any form of event handling.
536		727
537	=cut	728	=cut
538		729
		730	sub post_fork {
		731	reset_signals;
		732	}
		733
539	sub fork_call(&@) {	734	sub fork_call(&@) {
540	my ($cb, @args) = @_;	735	my ($cb, @args) = @_;
541		736
542	# we seemingly have to make a local copy of the whole thing,	737	# we seemingly have to make a local copy of the whole thing,
543	# otherwise perl prematurely frees the stuff :/	738	# otherwise perl prematurely frees the stuff :/
544	# TODO: investigate and fix (likely this will be rather laborious)	739	# TODO: investigate and fix (likely this will be rather laborious)
545		740
546	my @res = Coro::Util::fork_eval {	741	my @res = Coro::Util::fork_eval {
547	reset_signals;	742	cf::post_fork;
548	&$cb	743	&$cb
549	}, @args;	744	} @args;
550		745
551	wantarray ? @res : $res[-1]	746	wantarray ? @res : $res[-1]
		747	}
		748
		749	sub objinfo {
		750	(
		751	"counter value" => cf::object::object_count,
		752	"objects created" => cf::object::create_count,
		753	"objects destroyed" => cf::object::destroy_count,
		754	"freelist size" => cf::object::free_count,
		755	"allocated objects" => cf::object::objects_size,
		756	"active objects" => cf::object::actives_size,
		757	)
		758	}
		759
		760	=item $coin = coin_from_name $name
		761
		762	=cut
		763
		764	our %coin_alias = (
		765	"silver" => "silvercoin",
		766	"silvercoin" => "silvercoin",
		767	"silvercoins" => "silvercoin",
		768	"gold" => "goldcoin",
		769	"goldcoin" => "goldcoin",
		770	"goldcoins" => "goldcoin",
		771	"platinum" => "platinacoin",
		772	"platinumcoin" => "platinacoin",
		773	"platinumcoins" => "platinacoin",
		774	"platina" => "platinacoin",
		775	"platinacoin" => "platinacoin",
		776	"platinacoins" => "platinacoin",
		777	"royalty" => "royalty",
		778	"royalties" => "royalty",
		779	);
		780
		781	sub coin_from_name($) {
		782	$coin_alias{$_[0]}
		783	? cf::arch::find $coin_alias{$_[0]}
		784	: undef
552	}	785	}
553		786
554	=item $value = cf::db_get $family => $key	787	=item $value = cf::db_get $family => $key
555		788
556	Returns a single value from the environment database.	789	Returns a single value from the environment database.
…		…
566	within each server.	799	within each server.
567		800
568	=cut	801	=cut
569		802
570	sub db_table($) {	803	sub db_table($) {
		804	cf::error "db_get called from main context"
		805	if $Coro::current == $Coro::main;
		806
571	my ($name) = @_;	807	my ($name) = @_;
572	my $db = BDB::db_create $DB_ENV;	808	my $db = BDB::db_create $DB_ENV;
573		809
574	eval {	810	eval {
575	$db->set_flags (BDB::CHKSUM);	811	$db->set_flags (BDB::CHKSUM);
…		…
585	}	821	}
586		822
587	our $DB;	823	our $DB;
588		824
589	sub db_init {	825	sub db_init {
590	cf::sync_job {
591	$DB ||= db_table "db";	826	$DB ||= db_table "db";
592	};
593	}	827	}
594		828
595	sub db_get($$) {	829	sub db_get($$) {
596	my $key = "$_[0]/$_[1]";	830	my $key = "$_[0]/$_[1]";
597		831
598	cf::sync_job {	832	cf::error "db_get called from main context"
		833	if $Coro::current == $Coro::main;
		834
599	BDB::db_get $DB, undef, $key, my $data;	835	BDB::db_get $DB, undef, $key, my $data;
600		836
601	$! ? ()	837	$! ? ()
602	: $data	838	: $data
603	}
604	}	839	}
605		840
606	sub db_put($$$) {	841	sub db_put($$$) {
607	BDB::dbreq_pri 4;	842	BDB::dbreq_pri 4;
608	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	843	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
636		871
637	my @data;	872	my @data;
638	my $md5;	873	my $md5;
639		874
640	for (0 .. $#$src) {	875	for (0 .. $#$src) {
641	0 <= aio_load $src->[$_], $data[$_]	876	$data[$_] = load_file $src->[$_];
642	or Carp::croak "$src->[$_]: $!";
643	}	877	}
644		878
645	# if processing is expensive, check	879	# if processing is expensive, check
646	# checksum first	880	# checksum first
647	if (1) {	881	if (1) {
…		…
664		898
665	my $t1 = Time::HiRes::time;	899	my $t1 = Time::HiRes::time;
666	my $data = $process->(\@data);	900	my $data = $process->(\@data);
667	my $t2 = Time::HiRes::time;	901	my $t2 = Time::HiRes::time;
668		902
669	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	903	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
670		904
671	db_put cache => "$id/data", $data;	905	db_put cache => "$id/data", $data;
672	db_put cache => "$id/md5" , $md5;	906	db_put cache => "$id/md5" , $md5;
673	db_put cache => "$id/meta", $meta;	907	db_put cache => "$id/meta", $meta;
674		908
…		…
684		918
685	=cut	919	=cut
686		920
687	sub datalog($@) {	921	sub datalog($@) {
688	my ($type, %kv) = @_;	922	my ($type, %kv) = @_;
689	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	923	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
690	}	924	}
691		925
692	=back	926	=back
693		927
694	=cut	928	=cut
695		929
696	#############################################################################	930	#############################################################################
697		931
698	=head2 ATTACHABLE OBJECTS	932	=head2 ATTACHABLE OBJECTS
699		933
700	Many objects in crossfire are so-called attachable objects. That means you can	934	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")	935	attach callbacks/event handlers (a collection of which is called an "attachment")
702	to it. All such attachable objects support the following methods.	936	to it. All such attachable objects support the following methods.
703		937
704	In the following description, CLASS can be any of C<global>, C<object>	938	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	939	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
755	=item cf::CLASS::attachment $name, ...	989	=item cf::CLASS::attachment $name, ...
756		990
757	Register an attachment by C<$name> through which attachable objects of the	991	Register an attachment by C<$name> through which attachable objects of the
758	given CLASS can refer to this attachment.	992	given CLASS can refer to this attachment.
759		993
760	Some classes such as crossfire maps and objects can specify attachments	994	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.	995	that are attached at load/instantiate time, thus the need for a name.
762		996
763	These calls expect any number of the following handler/hook descriptions:	997	These calls expect any number of the following handler/hook descriptions:
764		998
765	=over 4	999	=over 4
…		…
889		1123
890	} elsif (exists $cb_id{$type}) {	1124	} elsif (exists $cb_id{$type}) {
891	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1125	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
892		1126
893	} elsif (ref $type) {	1127	} elsif (ref $type) {
894	warn "attaching objects not supported, ignoring.\n";	1128	error "attaching objects not supported, ignoring.\n";
895		1129
896	} else {	1130	} else {
897	shift @arg;	1131	shift @arg;
898	warn "attach argument '$type' not supported, ignoring.\n";	1132	error "attach argument '$type' not supported, ignoring.\n";
899	}	1133	}
900	}	1134	}
901	}	1135	}
902		1136
903	sub _object_attach {	1137	sub _object_attach {
…		…
913	_attach $registry, $klass, @attach;	1147	_attach $registry, $klass, @attach;
914	}	1148	}
915		1149
916	$obj->{$name} = \%arg;	1150	$obj->{$name} = \%arg;
917	} else {	1151	} else {
918	warn "object uses attachment '$name' which is not available, postponing.\n";	1152	info "object uses attachment '$name' which is not available, postponing.\n";
919	}	1153	}
920		1154
921	$obj->{_attachment}{$name} = undef;	1155	$obj->{_attachment}{$name} = undef;
922	}	1156	}
923		1157
…		…
982		1216
983	for (@$callbacks) {	1217	for (@$callbacks) {
984	eval { &{$_->[1]} };	1218	eval { &{$_->[1]} };
985		1219
986	if ($@) {	1220	if ($@) {
987	warn "$@";
988	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1221	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
989	override;	1222	override;
990	}	1223	}
991		1224
992	return 1 if $override;	1225	return 1 if $override;
993	}	1226	}
…		…
1056		1289
1057	sub reattach {	1290	sub reattach {
1058	# basically do the same as instantiate, without calling instantiate	1291	# basically do the same as instantiate, without calling instantiate
1059	my ($obj) = @_;	1292	my ($obj) = @_;
1060		1293
		1294	# no longer needed after getting rid of delete_package?
1061	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1295	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1062		1296
1063	my $registry = $obj->registry;	1297	my $registry = $obj->registry;
1064		1298
1065	@$registry = ();	1299	@$registry = ();
1066		1300
…		…
1071	for (@$attach) {	1305	for (@$attach) {
1072	my ($klass, @attach) = @$_;	1306	my ($klass, @attach) = @$_;
1073	_attach $registry, $klass, @attach;	1307	_attach $registry, $klass, @attach;
1074	}	1308	}
1075	} else {	1309	} else {
1076	warn "object uses attachment '$name' that is not available, postponing.\n";	1310	info "object uses attachment '$name' that is not available, postponing.\n";
1077	}	1311	}
1078	}	1312	}
1079	}	1313	}
1080		1314
1081	cf::attachable->attach (	1315	cf::attachable->attach (
…		…
1108	my ($filename, $rdata, $objs) = @_;	1342	my ($filename, $rdata, $objs) = @_;
1109		1343
1110	sync_job {	1344	sync_job {
1111	if (length $$rdata) {	1345	if (length $$rdata) {
1112	utf8::decode (my $decname = $filename);	1346	utf8::decode (my $decname = $filename);
1113	warn sprintf "saving %s (%d,%d)\n",	1347	trace sprintf "saving %s (%d,%d)\n",
1114	$decname, length $$rdata, scalar @$objs;	1348	$decname, length $$rdata, scalar @$objs
		1349	if $VERBOSE_IO;
1115		1350
1116	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1351	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1117	chmod SAVE_MODE, $fh;	1352	aio_chmod $fh, SAVE_MODE;
1118	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1353	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1119	aio_fsync $fh if $cf::USE_FSYNC;	1354	if ($cf::USE_FSYNC) {
		1355	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;
		1356	aio_fsync $fh;
		1357	}
1120	close $fh;	1358	aio_close $fh;
1121		1359
1122	if (@$objs) {	1360	if (@$objs) {
1123	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1361	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1124	chmod SAVE_MODE, $fh;	1362	aio_chmod $fh, SAVE_MODE;
1125	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1363	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1126	aio_write $fh, 0, (length $data), $data, 0;	1364	aio_write $fh, 0, (length $data), $data, 0;
1127	aio_fsync $fh if $cf::USE_FSYNC;	1365	if ($cf::USE_FSYNC) {
		1366	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;
		1367	aio_fsync $fh;
		1368	}
1128	close $fh;	1369	aio_close $fh;
1129	aio_rename "$filename.pst~", "$filename.pst";	1370	aio_rename "$filename.pst~", "$filename.pst";
1130	}	1371	}
1131	} else {	1372	} else {
1132	aio_unlink "$filename.pst";	1373	aio_unlink "$filename.pst";
1133	}	1374	}
1134		1375
1135	aio_rename "$filename~", $filename;	1376	aio_rename "$filename~", $filename;
		1377
		1378	$filename =~ s%/[^/]+$%%;
		1379	aio_pathsync $filename if $cf::USE_FSYNC;
1136	} else {	1380	} else {
1137	warn "FATAL: $filename~: $!\n";	1381	error "unable to save objects: $filename~: $!\n";
1138	}	1382	}
1139	} else {	1383	} else {
1140	aio_unlink $filename;	1384	aio_unlink $filename;
1141	aio_unlink "$filename.pst";	1385	aio_unlink "$filename.pst";
1142	}	1386	}
…		…
1166	my $st = eval { Coro::Storable::thaw $av };	1410	my $st = eval { Coro::Storable::thaw $av };
1167	$av = $st->{objs};	1411	$av = $st->{objs};
1168	}	1412	}
1169		1413
1170	utf8::decode (my $decname = $filename);	1414	utf8::decode (my $decname = $filename);
1171	warn sprintf "loading %s (%d,%d)\n",	1415	trace sprintf "loading %s (%d,%d)\n",
1172	$decname, length $data, scalar @{$av || []};	1416	$decname, length $data, scalar @{$av || []}
		1417	if $VERBOSE_IO;
1173		1418
1174	($data, $av)	1419	($data, $av)
1175	}	1420	}
1176		1421
1177	=head2 COMMAND CALLBACKS	1422	=head2 COMMAND CALLBACKS
…		…
1233	my ($name, $cb) = @_;	1478	my ($name, $cb) = @_;
1234		1479
1235	$EXTICMD{$name} = $cb;	1480	$EXTICMD{$name} = $cb;
1236	}	1481	}
1237		1482
		1483	use File::Glob ();
		1484
1238	cf::player->attach (	1485	cf::player->attach (
1239	on_command => sub {	1486	on_unknown_command => sub {
1240	my ($pl, $name, $params) = @_;	1487	my ($pl, $name, $params) = @_;
1241		1488
1242	my $cb = $COMMAND{$name}	1489	my $cb = $COMMAND{$name}
1243	or return;	1490	or return;
1244		1491
…		…
1252	my ($pl, $buf) = @_;	1499	my ($pl, $buf) = @_;
1253		1500
1254	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1501	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1255		1502
1256	if (ref $msg) {	1503	if (ref $msg) {
1257	my ($type, $reply, @payload) =	1504	my ($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		1505
1262	my @reply;	1506	my @reply;
1263		1507
1264	if (my $cb = $EXTCMD{$type}) {	1508	if (my $cb = $EXTCMD{$type}) {
1265	@reply = $cb->($pl, @payload);	1509	@reply = $cb->($pl, @payload);
…		…
1267		1511
1268	$pl->ext_reply ($reply, @reply)	1512	$pl->ext_reply ($reply, @reply)
1269	if $reply;	1513	if $reply;
1270		1514
1271	} else {	1515	} else {
1272	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1516	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1273	}	1517	}
1274		1518
1275	cf::override;	1519	cf::override;
1276	},	1520	},
1277	);	1521	);
1278		1522
		1523	# "readahead" all extensions
		1524	sub cache_extensions {
		1525	my $grp = IO::AIO::aio_group;
		1526
		1527	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1528	for (grep /\.ext$/, @{$_[0]}) {
		1529	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1530	}
		1531	};
		1532
		1533	$grp
		1534	}
		1535
1279	sub load_extensions {	1536	sub load_extensions {
		1537	info "loading extensions...";
		1538
1280	cf::sync_job {	1539	cf::sync_job {
1281	my %todo;	1540	my %todo;
1282		1541
1283	for my $path (<$LIBDIR/*.ext>) {	1542	for my $path (<$LIBDIR/*.ext>) {
1284	next unless -r $path;	1543	next unless -r $path;
…		…
1302		1561
1303	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1562	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1304	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1563	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1305		1564
1306	$ext{source} =	1565	$ext{source} =
1307	"package $pkg; use strict; use utf8;\n"	1566	"package $pkg; use common::sense;\n"
1308	. "#line 1 \"$path\"\n{\n"	1567	. "#line 1 \"$path\"\n{\n"
1309	. $source	1568	. $source
1310	. "\n};\n1";	1569	. "\n};\n1";
1311		1570
1312	$todo{$base} = \%ext;	1571	$todo{$base} = \%ext;
1313	}	1572	}
1314		1573
		1574	my $pass = 0;
1315	my %done;	1575	my %done;
1316	while (%todo) {	1576	while (%todo) {
1317	my $progress;	1577	my $progress;
1318		1578
		1579	++$pass;
		1580
		1581	ext:
1319	while (my ($k, $v) = each %todo) {	1582	while (my ($k, $v) = each %todo) {
1320	for (split /,\s*/, $v->{meta}{depends}) {	1583	for (split /,\s*/, $v->{meta}{depends}) {
1321	goto skip	1584	next ext
1322	unless exists $done{$_};	1585	unless exists $done{$_};
1323	}	1586	}
1324		1587
1325	warn "... loading '$k' into '$v->{pkg}'\n";	1588	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1326		1589
1327	unless (eval $v->{source}) {	1590	my $active = eval $v->{source};
		1591
		1592	if (length $@) {
1328	my $msg = $@ ? "$v->{path}: $@\n"	1593	error "$v->{path}: $@\n";
1329	: "$v->{base}: extension inactive.\n";
1330		1594
1331	if (exists $v->{meta}{mandatory}) {
1332	warn $msg;
1333	cf::cleanup "mandatory extension failed to load, exiting.";	1595	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1334	}	1596	if exists $v->{meta}{mandatory};
1335		1597
1336	warn $msg;	1598	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1599	delete $todo{$k};
		1600	} else {
		1601	$done{$k} = delete $todo{$k};
		1602	push @EXTS, $v->{pkg};
		1603	$progress = 1;
		1604
		1605	info "$v->{base}: extension inactive.\n"
		1606	unless $active;
1337	}	1607	}
1338
1339	$done{$k} = delete $todo{$k};
1340	push @EXTS, $v->{pkg};
1341	$progress = 1;
1342	}	1608	}
1343		1609
1344	skip:	1610	unless ($progress) {
1345	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1611	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1346	unless $progress;	1612
		1613	while (my ($k, $v) = each %todo) {
		1614	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1615	if exists $v->{meta}{mandatory};
		1616	}
		1617
		1618	last;
		1619	}
1347	}	1620	}
1348	};	1621	};
1349	}	1622	}
1350		1623
1351	#############################################################################	1624	#############################################################################
1352		1625
1353	=back	1626	=back
1354		1627
1355	=head2 CORE EXTENSIONS	1628	=head2 CORE EXTENSIONS
1356		1629
1357	Functions and methods that extend core crossfire objects.	1630	Functions and methods that extend core deliantra objects.
1358		1631
1359	=cut	1632	=cut
1360		1633
1361	package cf::player;	1634	package cf::player;
1362		1635
…		…
1405		1678
1406	sub exists($) {	1679	sub exists($) {
1407	my ($login) = @_;	1680	my ($login) = @_;
1408		1681
1409	$cf::PLAYER{$login}	1682	$cf::PLAYER{$login}
1410	or cf::sync_job { !aio_stat path $login }	1683	or !aio_stat path $login
1411	}	1684	}
1412		1685
1413	sub find($) {	1686	sub find($) {
1414	return $cf::PLAYER{$_[0]} || do {	1687	return $cf::PLAYER{$_[0]} || do {
1415	my $login = $_[0];	1688	my $login = $_[0];
…		…
1427	my $f = new_from_file cf::object::thawer path $login	1700	my $f = new_from_file cf::object::thawer path $login
1428	or return;	1701	or return;
1429		1702
1430	my $pl = cf::player::load_pl $f	1703	my $pl = cf::player::load_pl $f
1431	or return;	1704	or return;
		1705
1432	local $cf::PLAYER_LOADING{$login} = $pl;	1706	local $cf::PLAYER_LOADING{$login} = $pl;
1433	$f->resolve_delayed_derefs;	1707	$f->resolve_delayed_derefs;
1434	$cf::PLAYER{$login} = $pl	1708	$cf::PLAYER{$login} = $pl
1435	}	1709	}
1436	}	1710	}
1437	}	1711	}
1438		1712
		1713	cf::player->attach (
		1714	on_load => sub {
		1715	my ($pl, $path) = @_;
		1716
		1717	# restore slots saved in save, below
		1718	my $slots = delete $pl->{_slots};
		1719
		1720	$pl->ob->current_weapon ($slots->[0]);
		1721	$pl->combat_ob ($slots->[1]);
		1722	$pl->ranged_ob ($slots->[2]);
		1723	},
		1724	);
		1725
1439	sub save($) {	1726	sub save($) {
1440	my ($pl) = @_;	1727	my ($pl) = @_;
1441		1728
1442	return if $pl->{deny_save};	1729	return if $pl->{deny_save};
1443		1730
…		…
1446		1733
1447	return if $pl->{deny_save};	1734	return if $pl->{deny_save};
1448		1735
1449	aio_mkdir playerdir $pl, 0770;	1736	aio_mkdir playerdir $pl, 0770;
1450	$pl->{last_save} = $cf::RUNTIME;	1737	$pl->{last_save} = $cf::RUNTIME;
		1738
		1739	cf::get_slot 0.01;
		1740
		1741	# save slots, to be restored later
		1742	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1451		1743
1452	$pl->save_pl ($path);	1744	$pl->save_pl ($path);
1453	cf::cede_to_tick;	1745	cf::cede_to_tick;
1454	}	1746	}
1455		1747
…		…
1487	my ($pl) = @_;	1779	my ($pl) = @_;
1488		1780
1489	my $name = $pl->ob->name;	1781	my $name = $pl->ob->name;
1490		1782
1491	$pl->{deny_save} = 1;	1783	$pl->{deny_save} = 1;
1492	$pl->password ("*"); # this should lock out the player until we nuked the dir	1784	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1493		1785
1494	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1786	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1495	$pl->deactivate;	1787	$pl->deactivate;
		1788
		1789	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1496	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1790	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1791	ext::highscore::check ($pl->ob);
		1792
1497	$pl->ns->destroy if $pl->ns;	1793	$pl->ns->destroy if $pl->ns;
1498		1794
1499	my $path = playerdir $pl;	1795	my $path = playerdir $pl;
1500	my $temp = "$path~$cf::RUNTIME~deleting~";	1796	my $temp = "$path~$cf::RUNTIME~deleting~";
1501	aio_rename $path, $temp;	1797	aio_rename $path, $temp;
…		…
1539		1835
1540	for my $login (@$dirs) {	1836	for my $login (@$dirs) {
1541	my $path = path $login;	1837	my $path = path $login;
1542		1838
1543	# a .pst is a dead give-away for a valid player	1839	# a .pst is a dead give-away for a valid player
1544	unless (-e "$path.pst") {	1840	# if no pst file found, open and chekc for blocked users
		1841	if (aio_stat "$path.pst") {
1545	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1842	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1546	aio_read $fh, 0, 512, my $buf, 0 or next;	1843	aio_read $fh, 0, 512, my $buf, 0 or next;
1547	$buf !~ /^password -------------$/m or next; # official not-valid tag	1844	$buf !~ /^password -------------$/m or next; # official not-valid tag
1548	}	1845	}
1549		1846
…		…
1553		1850
1554	\@logins	1851	\@logins
1555	}	1852	}
1556		1853
1557	=item $player->maps	1854	=item $player->maps
		1855
		1856	=item cf::player::maps $login
1558		1857
1559	Returns an arrayref of map paths that are private for this	1858	Returns an arrayref of map paths that are private for this
1560	player. May block.	1859	player. May block.
1561		1860
1562	=cut	1861	=cut
…		…
1580	}	1879	}
1581		1880
1582	\@paths	1881	\@paths
1583	}	1882	}
1584		1883
1585	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1884	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1586		1885
1587	Expand crossfire pod fragments into protocol xml.	1886	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		1887
1678	=item $player->ext_reply ($msgid, @msg)	1888	=item $player->ext_reply ($msgid, @msg)
1679		1889
1680	Sends an ext reply to the player.	1890	Sends an ext reply to the player.
1681		1891
…		…
1713		1923
1714	=cut	1924	=cut
1715		1925
1716	sub find_by_path($) {	1926	sub find_by_path($) {
1717	my ($path) = @_;	1927	my ($path) = @_;
		1928
		1929	$path =~ s/^~[^\/]*//; # skip ~login
1718		1930
1719	my ($match, $specificity);	1931	my ($match, $specificity);
1720		1932
1721	for my $region (list) {	1933	for my $region (list) {
1722	if ($region->{match} && $path =~ $region->{match}) {	1934	if ($region->{match} && $path =~ $region->{match}) {
…		…
1748	our $MAX_RESET = 3600;	1960	our $MAX_RESET = 3600;
1749	our $DEFAULT_RESET = 3000;	1961	our $DEFAULT_RESET = 3000;
1750		1962
1751	sub generate_random_map {	1963	sub generate_random_map {
1752	my ($self, $rmp) = @_;	1964	my ($self, $rmp) = @_;
1753	# mit "rum" bekleckern, nicht	1965
		1966	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1967
1754	$self->_create_random_map (	1968	$self->_create_random_map ($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}), $rmp->{custom}
1766	)
1767	}	1969	}
1768		1970
1769	=item cf::map->register ($regex, $prio)	1971	=item cf::map->register ($regex, $prio)
1770		1972
1771	Register a handler for the map path matching the given regex at the	1973	Register a handler for the map path matching the given regex at the
…		…
1776		1978
1777	sub register {	1979	sub register {
1778	my (undef, $regex, $prio) = @_;	1980	my (undef, $regex, $prio) = @_;
1779	my $pkg = caller;	1981	my $pkg = caller;
1780		1982
1781	no strict;
1782	push @{"$pkg\::ISA"}, __PACKAGE__;	1983	push @{"$pkg\::ISA"}, __PACKAGE__;
1783		1984
1784	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1985	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1785	}	1986	}
1786		1987
1787	# also paths starting with '/'	1988	# also paths starting with '/'
1788	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1989	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1789		1990
1790	sub thawer_merge {	1991	sub thawer_merge {
1791	my ($self, $merge) = @_;	1992	my ($self, $merge) = @_;
1792		1993
1793	# we have to keep some variables in memory intact	1994	# we have to keep some variables in memory intact
…		…
1798	}	1999	}
1799		2000
1800	sub normalise {	2001	sub normalise {
1801	my ($path, $base) = @_;	2002	my ($path, $base) = @_;
1802		2003
1803	$path = "$path"; # make sure its a string	2004	$path = "$path"; # make sure it's a string
1804		2005
1805	$path =~ s/\.map$//;	2006	$path =~ s/\.map$//;
1806		2007
1807	# map plan:	2008	# map plan:
1808	#	2009	#
…		…
1823	$base =~ s{[^/]+/?$}{};	2024	$base =~ s{[^/]+/?$}{};
1824	$path = "$base/$path";	2025	$path = "$base/$path";
1825	}	2026	}
1826		2027
1827	for ($path) {	2028	for ($path) {
1828	redo if s{//}{/};
1829	redo if s{/\.?/}{/};	2029	redo if s{/\.?/}{/};
1830	redo if s{/[^/]+/\.\./}{/};	2030	redo if s{/[^/]+/\.\./}{/};
1831	}	2031	}
1832		2032
1833	$path	2033	$path
…		…
1847	$self->init; # pass $1 etc.	2047	$self->init; # pass $1 etc.
1848	return $self;	2048	return $self;
1849	}	2049	}
1850	}	2050	}
1851		2051
1852	Carp::cluck "unable to resolve path '$path' (base '$base').";	2052	Carp::cluck "unable to resolve path '$path' (base '$base')";
1853	()	2053	()
1854	}	2054	}
1855		2055
		2056	# may re-bless or do other evil things
1856	sub init {	2057	sub init {
1857	my ($self) = @_;	2058	my ($self) = @_;
1858		2059
1859	$self	2060	$self
1860	}	2061	}
…		…
1879		2080
1880	# the temporary/swap location	2081	# the temporary/swap location
1881	sub save_path {	2082	sub save_path {
1882	my ($self) = @_;	2083	my ($self) = @_;
1883		2084
1884	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2085	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1885	"$TMPDIR/$path.map"	2086	"$TMPDIR/$path.map"
1886	}	2087	}
1887		2088
1888	# the unique path, undef == no special unique path	2089	# the unique path, undef == no special unique path
1889	sub uniq_path {	2090	sub uniq_path {
1890	my ($self) = @_;	2091	my ($self) = @_;
1891		2092
1892	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2093	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1893	"$UNIQUEDIR/$path"	2094	"$UNIQUEDIR/$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 $_->outdoor, values %cf::MAP;
1903	}	2095	}
1904		2096
1905	sub decay_objects {	2097	sub decay_objects {
1906	my ($self) = @_;	2098	my ($self) = @_;
1907		2099
…		…
1934	$self->{load_path} = $path;	2126	$self->{load_path} = $path;
1935		2127
1936	1	2128	1
1937	}	2129	}
1938		2130
		2131	# used to laod the header of an original map
1939	sub load_header_orig {	2132	sub load_header_orig {
1940	my ($self) = @_;	2133	my ($self) = @_;
1941		2134
1942	$self->load_header_from ($self->load_path)	2135	$self->load_header_from ($self->load_path)
1943	}	2136	}
1944		2137
		2138	# used to laod the header of an instantiated map
1945	sub load_header_temp {	2139	sub load_header_temp {
1946	my ($self) = @_;	2140	my ($self) = @_;
1947		2141
1948	$self->load_header_from ($self->save_path)	2142	$self->load_header_from ($self->save_path)
1949	}	2143	}
1950		2144
		2145	# called after loading the header from an instantiated map
1951	sub prepare_temp {	2146	sub prepare_temp {
1952	my ($self) = @_;	2147	my ($self) = @_;
1953		2148
1954	$self->last_access ((delete $self->{last_access})	2149	$self->last_access ((delete $self->{last_access})
1955	|| $cf::RUNTIME); #d#	2150	|| $cf::RUNTIME); #d#
1956	# safety	2151	# safety
1957	$self->{instantiate_time} = $cf::RUNTIME	2152	$self->{instantiate_time} = $cf::RUNTIME
1958	if $self->{instantiate_time} > $cf::RUNTIME;	2153	if $self->{instantiate_time} > $cf::RUNTIME;
1959	}	2154	}
1960		2155
		2156	# called after loading the header from an original map
1961	sub prepare_orig {	2157	sub prepare_orig {
1962	my ($self) = @_;	2158	my ($self) = @_;
1963		2159
1964	$self->{load_original} = 1;	2160	$self->{load_original} = 1;
1965	$self->{instantiate_time} = $cf::RUNTIME;	2161	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1989		2185
1990	sub find;	2186	sub find;
1991	sub find {	2187	sub find {
1992	my ($path, $origin) = @_;	2188	my ($path, $origin) = @_;
1993		2189
		2190	cf::cede_to_tick;
		2191
1994	$path = normalise $path, $origin && $origin->path;	2192	$path = normalise $path, $origin;
1995		2193
1996	cf::lock_wait "map_data:$path";#d#remove	2194	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1997	cf::lock_wait "map_find:$path";	2195	my $guard2 = cf::lock_acquire "map_find:$path";
1998		2196
1999	$cf::MAP{$path} || do {	2197	$cf::MAP{$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	2198	my $map = new_from_path cf::map $path
2004	or return;	2199	or return;
2005		2200
2006	$map->{last_save} = $cf::RUNTIME;	2201	$map->{last_save} = $cf::RUNTIME;
2007		2202
…		…
2009	or return;	2204	or return;
2010		2205
2011	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2206	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2012	# doing this can freeze the server in a sync job, obviously	2207	# doing this can freeze the server in a sync job, obviously
2013	#$cf::WAIT_FOR_TICK->wait;	2208	#$cf::WAIT_FOR_TICK->wait;
		2209	undef $guard2;
2014	undef $guard1;	2210	undef $guard1;
2015	undef $guard2;
2016	$map->reset;	2211	$map->reset;
2017	return find $path;	2212	return find $path;
2018	}	2213	}
2019		2214
2020	$cf::MAP{$path} = $map	2215	$cf::MAP{$path} = $map
2021	}	2216	}
2022	}	2217	}
2023		2218
2024	sub pre_load { }	2219	sub pre_load { }
2025	sub post_load { }	2220	#sub post_load { } # XS
2026		2221
2027	sub load {	2222	sub load {
2028	my ($self) = @_;	2223	my ($self) = @_;
2029		2224
2030	local $self->{deny_reset} = 1; # loading can take a long time	2225	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2033		2228
2034	{	2229	{
2035	my $guard = cf::lock_acquire "map_data:$path";	2230	my $guard = cf::lock_acquire "map_data:$path";
2036		2231
2037	return unless $self->valid;	2232	return unless $self->valid;
2038	return unless $self->in_memory == cf::MAP_SWAPPED;	2233	return unless $self->state == cf::MAP_SWAPPED;
2039
2040	$self->in_memory (cf::MAP_LOADING);
2041		2234
2042	$self->alloc;	2235	$self->alloc;
2043		2236
2044	$self->pre_load;	2237	$self->pre_load;
2045	cf::cede_to_tick;	2238	cf::cede_to_tick;
2046		2239
		2240	if (exists $self->{load_path}) {
2047	my $f = new_from_file cf::object::thawer $self->{load_path};	2241	my $f = new_from_file cf::object::thawer $self->{load_path};
2048	$f->skip_block;	2242	$f->skip_block;
2049	$self->_load_objects ($f)	2243	$self->_load_objects ($f)
2050	or return;	2244	or return;
2051		2245
2052	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2246	$self->post_load_original
2053	if delete $self->{load_original};	2247	if delete $self->{load_original};
2054		2248
2055	if (my $uniq = $self->uniq_path) {	2249	if (my $uniq = $self->uniq_path) {
2056	utf8::encode $uniq;	2250	utf8::encode $uniq;
2057	unless (aio_stat $uniq) {	2251	unless (aio_stat $uniq) {
2058	if (my $f = new_from_file cf::object::thawer $uniq) {	2252	if (my $f = new_from_file cf::object::thawer $uniq) {
2059	$self->clear_unique_items;	2253	$self->clear_unique_items;
2060	$self->_load_objects ($f);	2254	$self->_load_objects ($f);
2061	$f->resolve_delayed_derefs;	2255	$f->resolve_delayed_derefs;
		2256	}
2062	}	2257	}
2063	}	2258	}
2064	}
2065		2259
2066	$f->resolve_delayed_derefs;	2260	$f->resolve_delayed_derefs;
		2261	} else {
		2262	$self->post_load_original
		2263	if delete $self->{load_original};
		2264	}
		2265
		2266	$self->state (cf::MAP_INACTIVE);
2067		2267
2068	cf::cede_to_tick;	2268	cf::cede_to_tick;
2069	# now do the right thing for maps	2269	# now do the right thing for maps
2070	$self->link_multipart_objects;	2270	$self->link_multipart_objects;
2071	$self->difficulty ($self->estimate_difficulty)	2271	$self->difficulty ($self->estimate_difficulty)
…		…
2075	unless ($self->{deny_activate}) {	2275	unless ($self->{deny_activate}) {
2076	$self->decay_objects;	2276	$self->decay_objects;
2077	$self->fix_auto_apply;	2277	$self->fix_auto_apply;
2078	$self->update_buttons;	2278	$self->update_buttons;
2079	cf::cede_to_tick;	2279	cf::cede_to_tick;
2080	$self->set_darkness_map;	2280	#$self->activate; # no longer activate maps automatically
2081	cf::cede_to_tick;
2082	$self->activate;
2083	}	2281	}
2084		2282
2085	$self->{last_save} = $cf::RUNTIME;	2283	$self->{last_save} = $cf::RUNTIME;
2086	$self->last_access ($cf::RUNTIME);	2284	$self->last_access ($cf::RUNTIME);
2087
2088	$self->in_memory (cf::MAP_IN_MEMORY);
2089	}	2285	}
2090		2286
2091	$self->post_load;	2287	$self->post_load;
2092	}
2093		2288
		2289	1
		2290	}
		2291
		2292	# customize the map for a given player, i.e.
		2293	# return the _real_ map. used by e.g. per-player
		2294	# maps to change the path to ~playername/mappath
2094	sub customise_for {	2295	sub customise_for {
2095	my ($self, $ob) = @_;	2296	my ($self, $ob) = @_;
2096		2297
2097	return find "~" . $ob->name . "/" . $self->{path}	2298	return find "~" . $ob->name . "/" . $self->{path}
2098	if $self->per_player;	2299	if $self->per_player;
…		…
2101	# if $self->per_party;	2302	# if $self->per_party;
2102		2303
2103	$self	2304	$self
2104	}	2305	}
2105		2306
2106	# find and load all maps in the 3x3 area around a map
2107	sub load_neighbours {
2108	my ($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	$neigh->load;
2129	}
2130	}
2131
2132	sub find_sync {	2307	sub find_sync {
2133	my ($path, $origin) = @_;	2308	my ($path, $origin) = @_;
2134		2309
2135	cf::sync_job { find $path, $origin }	2310	# it's a bug to call this from the main context
		2311	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2312	if $Coro::current == $Coro::main;
		2313
		2314	find $path, $origin
2136	}	2315	}
2137		2316
2138	sub do_load_sync {	2317	sub do_load_sync {
2139	my ($map) = @_;	2318	my ($map) = @_;
2140		2319
		2320	# it's a bug to call this from the main context
2141	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2321	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2142	if $Coro::current == $Coro::main;	2322	if $Coro::current == $Coro::main;
2143		2323
2144	cf::sync_job { $map->load };	2324	$map->load;
2145	}	2325	}
2146		2326
2147	our %MAP_PREFETCH;	2327	our %MAP_PREFETCH;
2148	our $MAP_PREFETCHER = undef;	2328	our $MAP_PREFETCHER = undef;
2149		2329
2150	sub find_async {	2330	sub find_async {
2151	my ($path, $origin, $load) = @_;	2331	my ($path, $origin, $load) = @_;
2152		2332
2153	$path = normalise $path, $origin && $origin->{path};	2333	$path = normalise $path, $origin;
2154		2334
2155	if (my $map = $cf::MAP{$path}) {	2335	if (my $map = $cf::MAP{$path}) {
2156	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2336	return $map if !$load || $map->linkable;
2157	}	2337	}
2158		2338
2159	$MAP_PREFETCH{$path} |= $load;	2339	$MAP_PREFETCH{$path} |= $load;
2160		2340
2161	$MAP_PREFETCHER ||= cf::async {	2341	$MAP_PREFETCHER ||= cf::async {
…		…
2175	$MAP_PREFETCHER->prio (6);	2355	$MAP_PREFETCHER->prio (6);
2176		2356
2177	()	2357	()
2178	}	2358	}
2179		2359
		2360	# common code, used by both ->save and ->swapout
2180	sub save {	2361	sub _save {
2181	my ($self) = @_;	2362	my ($self) = @_;
2182
2183	my $lock = cf::lock_acquire "map_data:$self->{path}";
2184		2363
2185	$self->{last_save} = $cf::RUNTIME;	2364	$self->{last_save} = $cf::RUNTIME;
2186		2365
2187	return unless $self->dirty;	2366	return unless $self->dirty;
2188		2367
…		…
2197		2376
2198	cf::async {	2377	cf::async {
2199	$Coro::current->{desc} = "map player save";	2378	$Coro::current->{desc} = "map player save";
2200	$_->contr->save for $self->players;	2379	$_->contr->save for $self->players;
2201	};	2380	};
		2381
		2382	cf::get_slot 0.02;
2202		2383
2203	if ($uniq) {	2384	if ($uniq) {
2204	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2385	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2205	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2386	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2206	} else {	2387	} else {
2207	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2388	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2208	}	2389	}
2209	}	2390	}
2210		2391
		2392	sub save {
		2393	my ($self) = @_;
		2394
		2395	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2396
		2397	$self->_save;
		2398	}
		2399
2211	sub swap_out {	2400	sub swap_out {
2212	my ($self) = @_;	2401	my ($self) = @_;
2213		2402
2214	# save first because save cedes
2215	$self->save;
2216
2217	my $lock = cf::lock_acquire "map_data:$self->{path}";	2403	my $lock = cf::lock_acquire "map_data:$self->{path}";
2218		2404
		2405	return if !$self->linkable;
		2406	return if $self->{deny_save};
2219	return if $self->players;	2407	return if $self->players;
2220	return if $self->in_memory != cf::MAP_IN_MEMORY;	2408
		2409	# first deactivate the map and "unlink" it from the core
		2410	$self->deactivate;
		2411	$_->clear_links_to ($self) for values %cf::MAP;
		2412	$self->state (cf::MAP_SWAPPED);
		2413
		2414	# then atomically save
		2415	$self->_save;
		2416
		2417	# then free the map
		2418	$self->clear;
		2419	}
		2420
		2421	sub reset_at {
		2422	my ($self) = @_;
		2423
		2424	# TODO: safety, remove and allow resettable per-player maps
2221	return if $self->{deny_save};	2425	return 1e99 if $self->{deny_reset};
2222		2426
		2427	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2428	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2429
		2430	$time + $to
		2431	}
		2432
		2433	sub should_reset {
		2434	my ($self) = @_;
		2435
		2436	$self->reset_at <= $cf::RUNTIME
		2437	}
		2438
		2439	sub reset {
		2440	my ($self) = @_;
		2441
		2442	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2443
		2444	return if $self->players;
		2445
		2446	cf::trace "resetting map ", $self->path, "\n";
		2447
2223	$self->in_memory (cf::MAP_SWAPPED);	2448	$self->state (cf::MAP_SWAPPED);
		2449
		2450	# need to save uniques path
		2451	unless ($self->{deny_save}) {
		2452	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2453
		2454	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2455	if $uniq;
		2456	}
		2457
		2458	delete $cf::MAP{$self->path};
2224		2459
2225	$self->deactivate;	2460	$self->deactivate;
2226	$_->clear_links_to ($self) for values %cf::MAP;	2461	$_->clear_links_to ($self) for values %cf::MAP;
2227	$self->clear;	2462	$self->clear;
2228	}
2229
2230	sub reset_at {
2231	my ($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		2463
2273	$self->unlink_save;	2464	$self->unlink_save;
2274	$self->destroy;	2465	$self->destroy;
2275	}	2466	}
2276		2467
…		…
2284		2475
2285	delete $cf::MAP{$self->path};	2476	delete $cf::MAP{$self->path};
2286		2477
2287	$self->unlink_save;	2478	$self->unlink_save;
2288		2479
2289	bless $self, "cf::map";	2480	bless $self, "cf::map::wrap";
2290	delete $self->{deny_reset};	2481	delete $self->{deny_reset};
2291	$self->{deny_save} = 1;	2482	$self->{deny_save} = 1;
2292	$self->reset_timeout (1);	2483	$self->reset_timeout (1);
2293	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2484	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2294		2485
…		…
2343		2534
2344	sub unique_maps() {	2535	sub unique_maps() {
2345	[	2536	[
2346	map {	2537	map {
2347	utf8::decode $_;	2538	utf8::decode $_;
2348	/\.map$/	2539	s/\.map$//; # TODO future compatibility hack
		2540	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2541	? ()
2349	? normalise $_	2542	: normalise $_
2350	: ()
2351	} @{ aio_readdir $UNIQUEDIR or [] }	2543	} @{ aio_readdir $UNIQUEDIR or [] }
2352	]	2544	]
2353	}	2545	}
2354		2546
2355	package cf;	2547	=item cf::map::static_maps
		2548
		2549	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2550	file in the shared directory excluding F</styles> and F</editor>). May
		2551	block.
		2552
		2553	=cut
		2554
		2555	sub static_maps() {
		2556	my @dirs = "";
		2557	my @maps;
		2558
		2559	while (@dirs) {
		2560	my $dir = shift @dirs;
		2561
		2562	next if $dir eq "/styles" || $dir eq "/editor";
		2563
		2564	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2565	or return;
		2566
		2567	for (@$files) {
		2568	s/\.map$// or next;
		2569	utf8::decode $_;
		2570	push @maps, "$dir/$_";
		2571	}
		2572
		2573	push @dirs, map "$dir/$_", @$dirs;
		2574	}
		2575
		2576	\@maps
		2577	}
2356		2578
2357	=back	2579	=back
2358		2580
2359	=head3 cf::object	2581	=head3 cf::object
2360		2582
…		…
2364		2586
2365	=over 4	2587	=over 4
2366		2588
2367	=item $ob->inv_recursive	2589	=item $ob->inv_recursive
2368		2590
2369	Returns the inventory of the object _and_ their inventories, recursively.	2591	Returns the inventory of the object I<and> their inventories, recursively,
		2592	but I<not> the object itself.
2370		2593
2371	=cut	2594	=cut
2372		2595
2373	sub inv_recursive_;	2596	sub inv_recursive_;
2374	sub inv_recursive_ {	2597	sub inv_recursive_ {
…		…
2379	inv_recursive_ inv $_[0]	2602	inv_recursive_ inv $_[0]
2380	}	2603	}
2381		2604
2382	=item $ref = $ob->ref	2605	=item $ref = $ob->ref
2383		2606
2384	creates and returns a persistent reference to an objetc that can be stored as a string.	2607	Creates and returns a persistent reference to an object that can be stored as a string.
2385		2608
2386	=item $ob = cf::object::deref ($refstring)	2609	=item $ob = cf::object::deref ($refstring)
2387		2610
2388	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2611	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2389	even if the object actually exists. May block.	2612	even if the object actually exists. May block.
…		…
2421	can be C<undef>. Does the right thing when the player is currently in a	2644	can be C<undef>. Does the right thing when the player is currently in a
2422	dialogue with the given NPC character.	2645	dialogue with the given NPC character.
2423		2646
2424	=cut	2647	=cut
2425		2648
		2649	our $SAY_CHANNEL = {
		2650	id => "say",
		2651	title => "Map",
		2652	reply => "say ",
		2653	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2654	};
		2655
		2656	our $CHAT_CHANNEL = {
		2657	id => "chat",
		2658	title => "Chat",
		2659	reply => "chat ",
		2660	tooltip => "Player chat and shouts, global to the server.",
		2661	};
		2662
2426	# rough implementation of a future "reply" method that works	2663	# rough implementation of a future "reply" method that works
2427	# with dialog boxes.	2664	# with dialog boxes.
2428	#TODO: the first argument must go, split into a $npc->reply_to ( method	2665	#TODO: the first argument must go, split into a $npc->reply_to ( method
2429	sub cf::object::player::reply($$$;$) {	2666	sub cf::object::player::reply($$$;$) {
2430	my ($self, $npc, $msg, $flags) = @_;	2667	my ($self, $npc, $msg, $flags) = @_;
…		…
2441	my $dialog = $pl->{npc_dialog};	2678	my $dialog = $pl->{npc_dialog};
2442	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2679	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2443		2680
2444	} else {	2681	} else {
2445	$msg = $npc->name . " says: $msg" if $npc;	2682	$msg = $npc->name . " says: $msg" if $npc;
2446	$self->message ($msg, $flags);	2683	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2447	}	2684	}
2448	}	2685	}
2449	}	2686	}
2450		2687
2451	=item $object->send_msg ($channel, $msg, $color, [extra...])	2688	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2476		2713
2477	=item $player_object->enter_link	2714	=item $player_object->enter_link
2478		2715
2479	Freezes the player and moves him/her to a special map (C<{link}>).	2716	Freezes the player and moves him/her to a special map (C<{link}>).
2480		2717
2481	The player should be reasonably safe there for short amounts of time. You	2718	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.	2719	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2720	though, as the player cannot control the character while it is on the link
		2721	map.
2483		2722
2484	Will never block.	2723	Will never block.
2485		2724
2486	=item $player_object->leave_link ($map, $x, $y)	2725	=item $player_object->leave_link ($map, $x, $y)
2487		2726
…		…
2507	sub cf::object::player::enter_link {	2746	sub cf::object::player::enter_link {
2508	my ($self) = @_;	2747	my ($self) = @_;
2509		2748
2510	$self->deactivate_recursive;	2749	$self->deactivate_recursive;
2511		2750
		2751	++$self->{_link_recursion};
		2752
2512	return if UNIVERSAL::isa $self->map, "ext::map_link";	2753	return if UNIVERSAL::isa $self->map, "ext::map_link";
2513		2754
2514	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2755	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2515	if $self->map && $self->map->{path} ne "{link}";	2756	if $self->map && $self->map->{path} ne "{link}";
2516		2757
2517	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2758	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2518	}	2759	}
2519		2760
2520	sub cf::object::player::leave_link {	2761	sub cf::object::player::leave_link {
2521	my ($self, $map, $x, $y) = @_;	2762	my ($self, $map, $x, $y) = @_;
2522		2763
…		…
2539	($x, $y) = (-1, -1)	2780	($x, $y) = (-1, -1)
2540	unless (defined $x) && (defined $y);	2781	unless (defined $x) && (defined $y);
2541		2782
2542	# use -1 or undef as default coordinates, not 0, 0	2783	# use -1 or undef as default coordinates, not 0, 0
2543	($x, $y) = ($map->enter_x, $map->enter_y)	2784	($x, $y) = ($map->enter_x, $map->enter_y)
2544	if $x <=0 && $y <= 0;	2785	if $x <= 0 && $y <= 0;
2545		2786
2546	$map->load;	2787	$map->load;
2547	$map->load_neighbours;
2548		2788
2549	return unless $self->contr->active;	2789	return unless $self->contr->active;
2550	$self->activate_recursive;
2551		2790
2552	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2791	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2553	$self->enter_map ($map, $x, $y);	2792	if ($self->enter_map ($map, $x, $y)) {
2554	}	2793	# entering was successful
		2794	delete $self->{_link_recursion};
		2795	# only activate afterwards, to support waiting in hooks
		2796	$self->activate_recursive;
		2797	}
2555		2798
		2799	}
		2800
2556	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2801	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2557		2802
2558	Moves the player to the given map-path and coordinates by first freezing	2803	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	2804	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	2805	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	2806	the new (success) or old (failed) map position. In either case, $done will
2562	be called at the end of this process.	2807	be called at the end of this process.
2563		2808
		2809	Note that $check will be called with a potentially non-loaded map, so if
		2810	it needs a loaded map it has to call C<< ->load >>.
		2811
2564	=cut	2812	=cut
2565		2813
2566	our $GOTOGEN;	2814	our $GOTOGEN;
2567		2815
2568	sub cf::object::player::goto {	2816	sub cf::object::player::goto {
2569	my ($self, $path, $x, $y, $check, $done) = @_;	2817	my ($self, $path, $x, $y, $check, $done) = @_;
		2818
		2819	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2820	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2821	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2822	($path, $x, $y) = @$EMERGENCY_POSITION;
		2823	}
2570		2824
2571	# do generation counting so two concurrent goto's will be executed in-order	2825	# do generation counting so two concurrent goto's will be executed in-order
2572	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2826	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2573		2827
2574	$self->enter_link;	2828	$self->enter_link;
…		…
2594	($path, $x, $y) = (undef, undef, undef);	2848	($path, $x, $y) = (undef, undef, undef);
2595	}	2849	}
2596	}	2850	}
2597		2851
2598	my $map = eval {	2852	my $map = eval {
2599	my $map = defined $path ? cf::map::find $path : undef;	2853	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2600		2854
2601	if ($map) {	2855	if ($map) {
2602	$map = $map->customise_for ($self);	2856	$map = $map->customise_for ($self);
2603	$map = $check->($map) if $check && $map;	2857	$map = $check->($map, $x, $y, $self) if $check && $map;
2604	} else {	2858	} else {
2605	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2859	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2606	}	2860	}
2607		2861
2608	$map	2862	$map
…		…
2616	if ($gen == $self->{_goto_generation}) {	2870	if ($gen == $self->{_goto_generation}) {
2617	delete $self->{_goto_generation};	2871	delete $self->{_goto_generation};
2618	$self->leave_link ($map, $x, $y);	2872	$self->leave_link ($map, $x, $y);
2619	}	2873	}
2620		2874
2621	$done->() if $done;	2875	$done->($self) if $done;
2622	})->prio (1);	2876	})->prio (1);
2623	}	2877	}
2624		2878
2625	=item $player_object->enter_exit ($exit_object)	2879	=item $player_object->enter_exit ($exit_object)
2626		2880
…		…
2646	}	2900	}
2647		2901
2648	sub prepare_random_map {	2902	sub prepare_random_map {
2649	my ($exit) = @_;	2903	my ($exit) = @_;
2650		2904
2651	my $guard = cf::lock_acquire "exit_prepare:$exit";
2652
2653	# all this does is basically replace the /! path by	2905	# all this does is basically replace the /! path by
2654	# a new random map path (?random/...) with a seed	2906	# a new random map path (?random/...) with a seed
2655	# that depends on the exit object	2907	# that depends on the exit object
2656		2908
2657	my $rmp = parse_random_map_params $exit->msg;	2909	my $rmp = parse_random_map_params $exit->msg;
…		…
2659	if ($exit->map) {	2911	if ($exit->map) {
2660	$rmp->{region} = $exit->region->name;	2912	$rmp->{region} = $exit->region->name;
2661	$rmp->{origin_map} = $exit->map->path;	2913	$rmp->{origin_map} = $exit->map->path;
2662	$rmp->{origin_x} = $exit->x;	2914	$rmp->{origin_x} = $exit->x;
2663	$rmp->{origin_y} = $exit->y;	2915	$rmp->{origin_y} = $exit->y;
		2916
		2917	$exit->map->touch;
2664	}	2918	}
2665		2919
2666	$rmp->{random_seed} ||= $exit->random_seed;	2920	$rmp->{random_seed} ||= $exit->random_seed;
2667		2921
2668	my $data = cf::encode_json $rmp;	2922	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2669	my $md5 = Digest::MD5::md5_hex $data;	2923	my $md5 = Digest::MD5::md5_hex $data;
2670	my $meta = "$RANDOMDIR/$md5.meta";	2924	my $meta = "$RANDOMDIR/$md5.meta";
2671		2925
2672	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2926	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2673	aio_write $fh, 0, (length $data), $data, 0;	2927	aio_write $fh, 0, (length $data), $data, 0;
2674	undef $fh;	2928	undef $fh;
2675	aio_rename "$meta~", $meta;	2929	aio_rename "$meta~", $meta;
2676		2930
		2931	my $slaying = "?random/$md5";
		2932
		2933	if ($exit->valid) {
2677	$exit->slaying ("?random/$md5");	2934	$exit->slaying ("?random/$md5");
2678	$exit->msg (undef);	2935	$exit->msg (undef);
		2936	}
2679	}	2937	}
2680	}	2938	}
2681		2939
2682	sub cf::object::player::enter_exit {	2940	sub cf::object::player::enter_exit {
2683	my ($self, $exit) = @_;	2941	my ($self, $exit) = @_;
2684		2942
2685	return unless $self->type == cf::PLAYER;	2943	return unless $self->type == cf::PLAYER;
2686		2944
2687	if ($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;	2945	$self->enter_link;
2699		2946
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 {	2947	(async {
2705	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2948	$Coro::current->{desc} = "enter_exit";
2706		2949
2707	$self->deactivate_recursive; # just to be sure
2708	unless (eval {	2950	unless (eval {
		2951	$self->deactivate_recursive; # just to be sure
		2952
		2953	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2954	my $x = $exit->stats->hp;
		2955	my $y = $exit->stats->sp;
		2956
		2957	# special map handling
		2958	my $slaying = $exit->slaying;
		2959
		2960	# special map handling
		2961	if ($slaying eq "/!") {
		2962	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2963
		2964	prepare_random_map $exit
		2965	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2966
		2967	$map = $exit->slaying;
		2968
		2969	} elsif ($slaying eq '!up') {
		2970	$map = $exit->map->tile_path (cf::TILE_UP);
		2971	$x = $exit->x;
		2972	$y = $exit->y;
		2973
		2974	} elsif ($slaying eq '!down') {
		2975	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2976	$x = $exit->x;
		2977	$y = $exit->y;
		2978	}
		2979
2709	$self->goto ($slaying, $hp, $sp);	2980	$self->goto ($map, $x, $y);
2710		2981
		2982	# if exit is damned, update players death & WoR home-position
		2983	$self->contr->savebed ($map, $x, $y)
		2984	if $exit->flag (cf::FLAG_DAMNED);
		2985
2711	1;	2986	1
2712	}) {	2987	}) {
2713	$self->message ("Something went wrong deep within the crossfire server. "	2988	$self->message ("Something went wrong deep within the deliantra server. "
2714	. "I'll try to bring you back to the map you were before. "	2989	. "I'll try to bring you back to the map you were before. "
2715	. "Please report this to the dungeon master!",	2990	. "Please report this to the dungeon master!",
2716	cf::NDI_UNIQUE | cf::NDI_RED);	2991	cf::NDI_UNIQUE | cf::NDI_RED);
2717		2992
2718	warn "ERROR in enter_exit: $@";	2993	error "ERROR in enter_exit: $@";
2719	$self->leave_link;	2994	$self->leave_link;
2720	}	2995	}
2721	})->prio (1);	2996	})->prio (1);
2722	}	2997	}
2723		2998
…		…
2735	sub cf::client::send_drawinfo {	3010	sub cf::client::send_drawinfo {
2736	my ($self, $text, $flags) = @_;	3011	my ($self, $text, $flags) = @_;
2737		3012
2738	utf8::encode $text;	3013	utf8::encode $text;
2739	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3014	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3015	}
		3016
		3017	=item $client->send_big_packet ($pkt)
		3018
		3019	Like C<send_packet>, but tries to compress large packets, and fragments
		3020	them as required.
		3021
		3022	=cut
		3023
		3024	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3025
		3026	sub cf::client::send_big_packet {
		3027	my ($self, $pkt) = @_;
		3028
		3029	# try lzf for large packets
		3030	$pkt = "lzf " . Compress::LZF::compress $pkt
		3031	if 1024 <= length $pkt and $self->{can_lzf};
		3032
		3033	# split very large packets
		3034	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3035	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3036	$pkt = "frag";
		3037	}
		3038
		3039	$self->send_packet ($pkt);
2740	}	3040	}
2741		3041
2742	=item $client->send_msg ($channel, $msg, $color, [extra...])	3042	=item $client->send_msg ($channel, $msg, $color, [extra...])
2743		3043
2744	Send a drawinfo or msg packet to the client, formatting the msg for the	3044	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2748		3048
2749	=cut	3049	=cut
2750		3050
2751	# non-persistent channels (usually the info channel)	3051	# non-persistent channels (usually the info channel)
2752	our %CHANNEL = (	3052	our %CHANNEL = (
		3053	"c/motd" => {
		3054	id => "infobox",
		3055	title => "MOTD",
		3056	reply => undef,
		3057	tooltip => "The message of the day",
		3058	},
2753	"c/identify" => {	3059	"c/identify" => {
2754	id => "infobox",	3060	id => "infobox",
2755	title => "Identify",	3061	title => "Identify",
2756	reply => undef,	3062	reply => undef,
2757	tooltip => "Items recently identified",	3063	tooltip => "Items recently identified",
…		…
2759	"c/examine" => {	3065	"c/examine" => {
2760	id => "infobox",	3066	id => "infobox",
2761	title => "Examine",	3067	title => "Examine",
2762	reply => undef,	3068	reply => undef,
2763	tooltip => "Signs and other items you examined",	3069	tooltip => "Signs and other items you examined",
		3070	},
		3071	"c/shopinfo" => {
		3072	id => "infobox",
		3073	title => "Shop Info",
		3074	reply => undef,
		3075	tooltip => "What your bargaining skill tells you about the shop",
2764	},	3076	},
2765	"c/book" => {	3077	"c/book" => {
2766	id => "infobox",	3078	id => "infobox",
2767	title => "Book",	3079	title => "Book",
2768	reply => undef,	3080	reply => undef,
…		…
2784	id => "infobox",	3096	id => "infobox",
2785	title => "Body Parts",	3097	title => "Body Parts",
2786	reply => undef,	3098	reply => undef,
2787	tooltip => "Shows which body parts you posess and are available",	3099	tooltip => "Shows which body parts you posess and are available",
2788	},	3100	},
		3101	"c/statistics" => {
		3102	id => "infobox",
		3103	title => "Statistics",
		3104	reply => undef,
		3105	tooltip => "Shows your primary statistics",
		3106	},
		3107	"c/skills" => {
		3108	id => "infobox",
		3109	title => "Skills",
		3110	reply => undef,
		3111	tooltip => "Shows your experience per skill and item power",
		3112	},
		3113	"c/shopitems" => {
		3114	id => "infobox",
		3115	title => "Shop Items",
		3116	reply => undef,
		3117	tooltip => "Shows the items currently for sale in this shop",
		3118	},
		3119	"c/resistances" => {
		3120	id => "infobox",
		3121	title => "Resistances",
		3122	reply => undef,
		3123	tooltip => "Shows your resistances",
		3124	},
		3125	"c/pets" => {
		3126	id => "infobox",
		3127	title => "Pets",
		3128	reply => undef,
		3129	tooltip => "Shows information abotu your pets/a specific pet",
		3130	},
		3131	"c/perceiveself" => {
		3132	id => "infobox",
		3133	title => "Perceive Self",
		3134	reply => undef,
		3135	tooltip => "You gained detailed knowledge about yourself",
		3136	},
2789	"c/uptime" => {	3137	"c/uptime" => {
2790	id => "infobox",	3138	id => "infobox",
2791	title => "Uptime",	3139	title => "Uptime",
2792	reply => undef,	3140	reply => undef,
2793	tooltip => "How long the server has been running since last restart",	3141	tooltip => "How long the server has been running since last restart",
…		…
2796	id => "infobox",	3144	id => "infobox",
2797	title => "Map Info",	3145	title => "Map Info",
2798	reply => undef,	3146	reply => undef,
2799	tooltip => "Information related to the maps",	3147	tooltip => "Information related to the maps",
2800	},	3148	},
		3149	"c/party" => {
		3150	id => "party",
		3151	title => "Party",
		3152	reply => "gsay ",
		3153	tooltip => "Messages and chat related to your party",
		3154	},
		3155	"c/death" => {
		3156	id => "death",
		3157	title => "Death",
		3158	reply => undef,
		3159	tooltip => "Reason for and more info about your most recent death",
		3160	},
		3161	"c/say" => $SAY_CHANNEL,
		3162	"c/chat" => $CHAT_CHANNEL,
2801	);	3163	);
2802		3164
2803	sub cf::client::send_msg {	3165	sub cf::client::send_msg {
2804	my ($self, $channel, $msg, $color, @extra) = @_;	3166	my ($self, $channel, $msg, $color, @extra) = @_;
2805		3167
2806	$msg = $self->pl->expand_cfpod ($msg);	3168	$msg = $self->pl->expand_cfpod ($msg)
		3169	unless $color & cf::NDI_VERBATIM;
2807		3170
2808	$color &= cf::NDI_CLIENT_MASK; # just in case...	3171	$color &= cf::NDI_CLIENT_MASK; # just in case...
2809		3172
2810	# check predefined channels, for the benefit of C	3173	# check predefined channels, for the benefit of C
2811	if ($CHANNEL{$channel}) {	3174	if ($CHANNEL{$channel}) {
2812	$channel = $CHANNEL{$channel};	3175	$channel = $CHANNEL{$channel};
2813		3176
2814	$self->ext_msg (channel_info => $channel)	3177	$self->ext_msg (channel_info => $channel);
2815	if $self->can_msg;
2816
2817	$channel = $channel->{id};	3178	$channel = $channel->{id};
2818		3179
2819	} elsif (ref $channel) {	3180	} elsif (ref $channel) {
2820	# send meta info to client, if not yet sent	3181	# send meta info to client, if not yet sent
2821	unless (exists $self->{channel}{$channel->{id}}) {	3182	unless (exists $self->{channel}{$channel->{id}}) {
2822	$self->{channel}{$channel->{id}} = $channel;	3183	$self->{channel}{$channel->{id}} = $channel;
2823	$self->ext_msg (channel_info => $channel)	3184	$self->ext_msg (channel_info => $channel);
2824	if $self->can_msg;
2825	}	3185	}
2826		3186
2827	$channel = $channel->{id};	3187	$channel = $channel->{id};
2828	}	3188	}
2829		3189
2830	return unless @extra || length $msg;	3190	return unless @extra || length $msg;
2831		3191
2832	if ($self->can_msg) {
2833	# default colour, mask it out	3192	# default colour, mask it out
2834	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3193	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2835	if $color & cf::NDI_DEF;	3194	if $color & cf::NDI_DEF;
2836		3195
2837	$self->send_packet ("msg " . $self->{json_coder}->encode (	3196	my $pkt = "msg "
		3197	. $self->{json_coder}->encode (
2838	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3198	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2839	} else {	3199	);
2840	if ($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		3200
2851	$color &= cf::NDI_COLOR_MASK;	3201	$self->send_big_packet ($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	}	3202	}
2865		3203
2866	=item $client->ext_msg ($type, @msg)	3204	=item $client->ext_msg ($type, @msg)
2867		3205
2868	Sends an ext event to the client.	3206	Sends an ext event to the client.
…		…
2871		3209
2872	sub cf::client::ext_msg($$@) {	3210	sub cf::client::ext_msg($$@) {
2873	my ($self, $type, @msg) = @_;	3211	my ($self, $type, @msg) = @_;
2874		3212
2875	if ($self->extcmd == 2) {	3213	if ($self->extcmd == 2) {
2876	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3214	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2877	} elsif ($self->extcmd == 1) { # TODO: remove	3215	} elsif ($self->extcmd == 1) { # TODO: remove
2878	push @msg, msgtype => "event_$type";	3216	push @msg, msgtype => "event_$type";
2879	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3217	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2880	}	3218	}
2881	}	3219	}
2882		3220
2883	=item $client->ext_reply ($msgid, @msg)	3221	=item $client->ext_reply ($msgid, @msg)
2884		3222
…		…
2887	=cut	3225	=cut
2888		3226
2889	sub cf::client::ext_reply($$@) {	3227	sub cf::client::ext_reply($$@) {
2890	my ($self, $id, @msg) = @_;	3228	my ($self, $id, @msg) = @_;
2891		3229
2892	if ($self->extcmd == 2) {	3230	return unless $self->extcmd == 2;
		3231
2893	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3232	$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	}	3233	}
2900		3234
2901	=item $success = $client->query ($flags, "text", \&cb)	3235	=item $success = $client->query ($flags, "text", \&cb)
2902		3236
2903	Queues a query to the client, calling the given callback with	3237	Queues a query to the client, calling the given callback with
…		…
2958	my ($ns, $buf) = @_;	3292	my ($ns, $buf) = @_;
2959		3293
2960	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3294	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2961		3295
2962	if (ref $msg) {	3296	if (ref $msg) {
2963	my ($type, $reply, @payload) =	3297	my ($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		3298
2968	my @reply;	3299	my @reply;
2969		3300
2970	if (my $cb = $EXTICMD{$type}) {	3301	if (my $cb = $EXTICMD{$type}) {
2971	@reply = $cb->($ns, @payload);	3302	@reply = $cb->($ns, @payload);
…		…
2973		3304
2974	$ns->ext_reply ($reply, @reply)	3305	$ns->ext_reply ($reply, @reply)
2975	if $reply;	3306	if $reply;
2976		3307
2977	} else {	3308	} else {
2978	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3309	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2979	}	3310	}
2980		3311
2981	cf::override;	3312	cf::override;
2982	},	3313	},
2983	);	3314	);
…		…
3003		3334
3004	$coro	3335	$coro
3005	}	3336	}
3006		3337
3007	cf::client->attach (	3338	cf::client->attach (
3008	on_destroy => sub {	3339	on_client_destroy => sub {
3009	my ($ns) = @_;	3340	my ($ns) = @_;
3010		3341
3011	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3342	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3012	},	3343	},
3013	);	3344	);
…		…
3029	our $safe_hole = new Safe::Hole;	3360	our $safe_hole = new Safe::Hole;
3030		3361
3031	$SIG{FPE} = 'IGNORE';	3362	$SIG{FPE} = 'IGNORE';
3032		3363
3033	$safe->permit_only (Opcode::opset qw(	3364	$safe->permit_only (Opcode::opset qw(
3034	:base_core :base_mem :base_orig :base_math	3365	:base_core :base_mem :base_orig :base_math :base_loop
3035	grepstart grepwhile mapstart mapwhile	3366	grepstart grepwhile mapstart mapwhile
3036	sort time	3367	sort time
3037	));	3368	));
3038		3369
3039	# here we export the classes and methods available to script code	3370	# here we export the classes and methods available to script code
…		…
3042		3373
3043	The following functions and methods are available within a safe environment:	3374	The following functions and methods are available within a safe environment:
3044		3375
3045	cf::object	3376	cf::object
3046	contr pay_amount pay_player map x y force_find force_add destroy	3377	contr pay_amount pay_player map x y force_find force_add destroy
3047	insert remove name archname title slaying race decrease_ob_nr	3378	insert remove name archname title slaying race decrease split
		3379	value
3048		3380
3049	cf::object::player	3381	cf::object::player
3050	player	3382	player
3051		3383
3052	cf::player	3384	cf::player
…		…
3057		3389
3058	=cut	3390	=cut
3059		3391
3060	for (	3392	for (
3061	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3393	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3062	insert remove inv name archname title slaying race	3394	insert remove inv nrof name archname title slaying race
3063	decrease_ob_nr destroy)],	3395	decrease split destroy change_exp value msg lore send_msg)],
3064	["cf::object::player" => qw(player)],	3396	["cf::object::player" => qw(player)],
3065	["cf::player" => qw(peaceful)],	3397	["cf::player" => qw(peaceful send_msg)],
3066	["cf::map" => qw(trigger)],	3398	["cf::map" => qw(trigger)],
3067	) {	3399	) {
3068	no strict 'refs';
3069	my ($pkg, @funs) = @$_;	3400	my ($pkg, @funs) = @$_;
3070	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3401	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3071	for @funs;	3402	for @funs;
3072	}	3403	}
3073		3404
…		…
3088		3419
3089	my $qcode = $code;	3420	my $qcode = $code;
3090	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3421	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3091	$qcode =~ s/\n/\\n/g;	3422	$qcode =~ s/\n/\\n/g;
3092		3423
		3424	%vars = (_dummy => 0) unless %vars;
		3425
		3426	my @res;
3093	local $_;	3427	local $_;
3094	local @safe::cf::_safe_eval_args = values %vars;
3095		3428
3096	my $eval =	3429	my $eval =
3097	"do {\n"	3430	"do {\n"
3098	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3431	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3099	. "#line 0 \"{$qcode}\"\n"	3432	. "#line 0 \"{$qcode}\"\n"
3100	. $code	3433	. $code
3101	. "\n}"	3434	. "\n}"
3102	;	3435	;
3103		3436
		3437	if ($CFG{safe_eval}) {
3104	sub_generation_inc;	3438	sub_generation_inc;
		3439	local @safe::cf::_safe_eval_args = values %vars;
3105	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3440	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3106	sub_generation_inc;	3441	sub_generation_inc;
		3442	} else {
		3443	local @cf::_safe_eval_args = values %vars;
		3444	@res = wantarray ? eval eval : scalar eval $eval;
		3445	}
3107		3446
3108	if ($@) {	3447	if ($@) {
3109	warn "$@";	3448	warn "$@",
3110	warn "while executing safe code '$code'\n";	3449	"while executing safe code '$code'\n",
3111	warn "with arguments " . (join " ", %vars) . "\n";	3450	"with arguments " . (join " ", %vars) . "\n";
3112	}	3451	}
3113		3452
3114	wantarray ? @res : $res[0]	3453	wantarray ? @res : $res[0]
3115	}	3454	}
3116		3455
…		…
3130	=cut	3469	=cut
3131		3470
3132	sub register_script_function {	3471	sub register_script_function {
3133	my ($fun, $cb) = @_;	3472	my ($fun, $cb) = @_;
3134		3473
3135	no strict 'refs';	3474	$fun = "safe::$fun" if $CFG{safe_eval};
3136	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3475	*$fun = $safe_hole->wrap ($cb);
3137	}	3476	}
3138		3477
3139	=back	3478	=back
3140		3479
3141	=cut	3480	=cut
…		…
3150	# for this (global event?)	3489	# for this (global event?)
3151	%ext::player_env::MUSIC_FACE_CACHE = ();	3490	%ext::player_env::MUSIC_FACE_CACHE = ();
3152		3491
3153	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3492	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3154		3493
3155	warn "loading facedata from $path\n";	3494	trace "loading facedata from $path\n";
3156		3495
3157	my $facedata;	3496	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		3497
3163	$facedata->{version} == 2	3498	$facedata->{version} == 2
3164	or cf::cleanup "$path: version mismatch, cannot proceed.";	3499	or cf::cleanup "$path: version mismatch, cannot proceed.";
3165		3500
3166	# patch in the exptable	3501	# patch in the exptable
		3502	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3167	$facedata->{resource}{"res/exp_table"} = {	3503	$facedata->{resource}{"res/exp_table"} = {
3168	type => FT_RSRC,	3504	type => FT_RSRC,
3169	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3505	data => $exp_table,
		3506	hash => (Digest::MD5::md5 $exp_table),
3170	};	3507	};
3171	cf::cede_to_tick;	3508	cf::cede_to_tick;
3172		3509
3173	{	3510	{
3174	my $faces = $facedata->{faceinfo};	3511	my $faces = $facedata->{faceinfo};
…		…
3176	while (my ($face, $info) = each %$faces) {	3513	while (my ($face, $info) = each %$faces) {
3177	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3514	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3178		3515
3179	cf::face::set_visibility $idx, $info->{visibility};	3516	cf::face::set_visibility $idx, $info->{visibility};
3180	cf::face::set_magicmap $idx, $info->{magicmap};	3517	cf::face::set_magicmap $idx, $info->{magicmap};
3181	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3518	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3182	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3519	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3520	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3183		3521
3184	cf::cede_to_tick;	3522	cf::cede_to_tick;
3185	}	3523	}
3186		3524
3187	while (my ($face, $info) = each %$faces) {	3525	while (my ($face, $info) = each %$faces) {
…		…
3192		3530
3193	if (my $smooth = cf::face::find $info->{smooth}) {	3531	if (my $smooth = cf::face::find $info->{smooth}) {
3194	cf::face::set_smooth $idx, $smooth;	3532	cf::face::set_smooth $idx, $smooth;
3195	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3533	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3196	} else {	3534	} else {
3197	warn "smooth face '$info->{smooth}' not found for face '$face'";	3535	error "smooth face '$info->{smooth}' not found for face '$face'";
3198	}	3536	}
3199		3537
3200	cf::cede_to_tick;	3538	cf::cede_to_tick;
3201	}	3539	}
3202	}	3540	}
…		…
3211		3549
3212	cf::anim::invalidate_all; # d'oh	3550	cf::anim::invalidate_all; # d'oh
3213	}	3551	}
3214		3552
3215	{	3553	{
3216	# TODO: for gcfclient pleasure, we should give resources
3217	# that gcfclient doesn't grok a >10000 face index.
3218	my $res = $facedata->{resource};	3554	my $res = $facedata->{resource};
3219		3555
3220	while (my ($name, $info) = each %$res) {	3556	while (my ($name, $info) = each %$res) {
3221	if (defined $info->{type}) {	3557	if (defined (my $type = $info->{type})) {
		3558	# 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;	3559	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3223	my $data;
3224		3560
3225	if ($info->{type} & 1) {	3561	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};	3562	cf::face::set_type $idx, $type;
		3563	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
3240	} else {	3564	} else {
3241	$RESOURCE{$name} = $info;	3565	# $RESOURCE{$name} = $info; # unused
3242	}	3566	}
3243		3567
3244	cf::cede_to_tick;	3568	cf::cede_to_tick;
3245	}	3569	}
3246	}	3570	}
3247		3571
3248	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3572	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3249		3573
3250	1	3574	1
3251	}	3575	}
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 => $face;
3269	}
3270	}
3271	});
3272		3576
3273	register_exticmd fx_want => sub {	3577	register_exticmd fx_want => sub {
3274	my ($ns, $want) = @_;	3578	my ($ns, $want) = @_;
3275		3579
3276	while (my ($k, $v) = each %$want) {	3580	while (my ($k, $v) = each %$want) {
3277	$ns->fx_want ($k, $v);	3581	$ns->fx_want ($k, $v);
3278	}	3582	}
3279	};	3583	};
		3584
		3585	sub load_resource_file($) {
		3586	my $guard = lock_acquire "load_resource_file";
		3587
		3588	my $status = load_resource_file_ $_[0];
		3589	get_slot 0.1, 100;
		3590	cf::arch::commit_load;
		3591
		3592	$status
		3593	}
3280		3594
3281	sub reload_regions {	3595	sub reload_regions {
3282	# HACK to clear player env face cache, we need some signal framework	3596	# HACK to clear player env face cache, we need some signal framework
3283	# for this (global event?)	3597	# for this (global event?)
3284	%ext::player_env::MUSIC_FACE_CACHE = ();	3598	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3298	}	3612	}
3299		3613
3300	sub reload_archetypes {	3614	sub reload_archetypes {
3301	load_resource_file "$DATADIR/archetypes"	3615	load_resource_file "$DATADIR/archetypes"
3302	or die "unable to load archetypes\n";	3616	or die "unable to load archetypes\n";
3303	#d# NEED to laod twice to resolve forward references
3304	# this really needs to be done in an extra post-pass
3305	# (which needs to be synchronous, so solve it differently)
3306	load_resource_file "$DATADIR/archetypes"
3307	or die "unable to load archetypes\n";
3308	}	3617	}
3309		3618
3310	sub reload_treasures {	3619	sub reload_treasures {
3311	load_resource_file "$DATADIR/treasures"	3620	load_resource_file "$DATADIR/treasures"
3312	or die "unable to load treasurelists\n";	3621	or die "unable to load treasurelists\n";
3313	}	3622	}
3314		3623
		3624	sub reload_sound {
		3625	trace "loading sound config from $DATADIR/sound\n";
		3626
		3627	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3628
		3629	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3630	my $sound = $soundconf->{compat}[$_]
		3631	or next;
		3632
		3633	my $face = cf::face::find "sound/$sound->[1]";
		3634	cf::sound::set $sound->[0] => $face;
		3635	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3636	}
		3637
		3638	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3639	my $face = cf::face::find "sound/$v";
		3640	cf::sound::set $k => $face;
		3641	}
		3642	}
		3643
3315	sub reload_resources {	3644	sub reload_resources {
3316	warn "reloading resource files...\n";	3645	trace "reloading resource files...\n";
3317		3646
		3647	reload_exp_table;
		3648	reload_materials;
		3649	reload_facedata;
		3650	reload_sound;
		3651	reload_archetypes;
3318	reload_regions;	3652	reload_regions;
3319	reload_facedata;
3320	#reload_archetypes;#d#
3321	reload_archetypes;
3322	reload_treasures;	3653	reload_treasures;
3323		3654
3324	warn "finished reloading resource files\n";	3655	trace "finished reloading resource files\n";
3325	}
3326
3327	sub init {
3328	reload_resources;
3329	}	3656	}
3330		3657
3331	sub reload_config {	3658	sub reload_config {
3332	open my $fh, "<:utf8", "$CONFDIR/config"	3659	trace "reloading config file...\n";
3333	or return;
3334		3660
3335	local $/;	3661	my $config = load_file "$CONFDIR/config";
3336	*CFG = YAML::Load <$fh>;	3662	utf8::decode $config;
		3663	*CFG = decode_yaml $config;
3337		3664
3338	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3665	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3339		3666
3340	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3667	$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};	3668	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3342		3669
3343	if (exists $CFG{mlockall}) {	3670	if (exists $CFG{mlockall}) {
…		…
3347	};	3674	};
3348	warn $@ if $@;	3675	warn $@ if $@;
3349	}	3676	}
3350	}	3677	}
3351		3678
		3679	sub pidfile() {
		3680	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3681	or die "$PIDFILE: $!";
		3682	flock $fh, &Fcntl::LOCK_EX
		3683	or die "$PIDFILE: flock: $!";
		3684	$fh
		3685	}
		3686
		3687	# make sure only one server instance is running at any one time
		3688	sub atomic {
		3689	my $fh = pidfile;
		3690
		3691	my $pid = <$fh>;
		3692	kill 9, $pid if $pid > 0;
		3693
		3694	seek $fh, 0, 0;
		3695	print $fh $$;
		3696	}
		3697
		3698	sub main_loop {
		3699	trace "EV::loop starting\n";
		3700	if (1) {
		3701	EV::loop;
		3702	}
		3703	trace "EV::loop returned\n";
		3704	goto &main_loop unless $REALLY_UNLOOP;
		3705	}
		3706
3352	sub main {	3707	sub main {
		3708	cf::init_globals; # initialise logging
		3709
		3710	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3711	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3712	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3713	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3714
		3715	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3716
3353	# we must not ever block the main coroutine	3717	# we must not ever block the main coroutine
3354	local $Coro::idle = sub {	3718	local $Coro::idle = sub {
3355	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3719	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3356	(async {	3720	(async {
3357	$Coro::current->{desc} = "IDLE BUG HANDLER";	3721	$Coro::current->{desc} = "IDLE BUG HANDLER";
3358	EV::loop EV::LOOP_ONESHOT;	3722	EV::loop EV::LOOP_ONESHOT;
3359	})->prio (Coro::PRIO_MAX);	3723	})->prio (Coro::PRIO_MAX);
3360	};	3724	};
3361		3725
3362	reload_config;
3363	db_init;
3364	load_extensions;
3365
3366	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3367	evthread_start IO::AIO::poll_fileno;	3726	evthread_start IO::AIO::poll_fileno;
3368	EV::loop;	3727
		3728	cf::sync_job {
		3729	cf::incloader::init ();
		3730
		3731	cf::init_anim;
		3732	cf::init_attackmess;
		3733	cf::init_dynamic;
		3734
		3735	cf::load_settings;
		3736
		3737	reload_resources;
		3738	reload_config;
		3739	db_init;
		3740
		3741	cf::init_uuid;
		3742	cf::init_signals;
		3743	cf::init_skills;
		3744
		3745	cf::init_beforeplay;
		3746
		3747	atomic;
		3748
		3749	load_extensions;
		3750
		3751	utime time, time, $RUNTIMEFILE;
		3752
		3753	# no (long-running) fork's whatsoever before this point(!)
		3754	use POSIX ();
		3755	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3756
		3757	cf::_post_init 0;
		3758	};
		3759
		3760	cf::object::thawer::errors_are_fatal 0;
		3761	info "parse errors in files are no longer fatal from this point on.\n";
		3762
		3763	AE::postpone {
		3764	undef &main; # free gobs of memory :)
		3765	};
		3766
		3767	goto &main_loop;
3369	}	3768	}
3370		3769
3371	#############################################################################	3770	#############################################################################
3372	# initialisation and cleanup	3771	# initialisation and cleanup
3373		3772
3374	# install some emergency cleanup handlers	3773	# install some emergency cleanup handlers
3375	BEGIN {	3774	BEGIN {
3376	our %SIGWATCHER = ();	3775	our %SIGWATCHER = ();
3377	for my $signal (qw(INT HUP TERM)) {	3776	for my $signal (qw(INT HUP TERM)) {
3378	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3777	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3379	cf::cleanup "SIG$signal";	3778	cf::cleanup "SIG$signal";
3380	};	3779	};
3381	}	3780	}
3382	}	3781	}
3383		3782
3384	sub write_runtime {	3783	sub write_runtime_sync {
3385	my $runtime = "$LOCALDIR/runtime";	3784	my $t0 = AE::time;
3386		3785
3387	# first touch the runtime file to show we are still running:	3786	# first touch the runtime file to show we are still running:
3388	# the fsync below can take a very very long time.	3787	# the fsync below can take a very very long time.
3389		3788
3390	IO::AIO::aio_utime $runtime, undef, undef;	3789	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3391		3790
3392	my $guard = cf::lock_acquire "write_runtime";	3791	my $guard = cf::lock_acquire "write_runtime";
3393		3792
3394	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3793	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3395	or return;	3794	or return;
3396		3795
3397	my $value = $cf::RUNTIME + 90 + 10;	3796	my $value = $cf::RUNTIME + 90 + 10;
3398	# 10 is the runtime save interval, for a monotonic clock	3797	# 10 is the runtime save interval, for a monotonic clock
3399	# 60 allows for the watchdog to kill the server.	3798	# 60 allows for the watchdog to kill the server.
…		…
3409	aio_utime $fh, undef, undef;	3808	aio_utime $fh, undef, undef;
3410		3809
3411	close $fh	3810	close $fh
3412	or return;	3811	or return;
3413		3812
3414	aio_rename "$runtime~", $runtime	3813	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3415	and return;	3814	and return;
3416		3815
3417	warn "runtime file written.\n";	3816	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3418		3817
3419	1	3818	1
		3819	}
		3820
		3821	our $uuid_lock;
		3822	our $uuid_skip;
		3823
		3824	sub write_uuid_sync($) {
		3825	$uuid_skip ||= $_[0];
		3826
		3827	return if $uuid_lock;
		3828	local $uuid_lock = 1;
		3829
		3830	my $uuid = "$LOCALDIR/uuid";
		3831
		3832	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3833	or return;
		3834
		3835	my $value = uuid_seq uuid_cur;
		3836
		3837	unless ($value) {
		3838	info "cowardly refusing to write zero uuid value!\n";
		3839	return;
		3840	}
		3841
		3842	my $value = uuid_str $value + $uuid_skip;
		3843	$uuid_skip = 0;
		3844
		3845	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3846	and return;
		3847
		3848	# always fsync - this file is important
		3849	aio_fsync $fh
		3850	and return;
		3851
		3852	close $fh
		3853	or return;
		3854
		3855	aio_rename "$uuid~", $uuid
		3856	and return;
		3857
		3858	trace "uuid file written ($value).\n";
		3859
		3860	1
		3861
		3862	}
		3863
		3864	sub write_uuid($$) {
		3865	my ($skip, $sync) = @_;
		3866
		3867	$sync ? write_uuid_sync $skip
		3868	: async { write_uuid_sync $skip };
3420	}	3869	}
3421		3870
3422	sub emergency_save() {	3871	sub emergency_save() {
3423	my $freeze_guard = cf::freeze_mainloop;	3872	my $freeze_guard = cf::freeze_mainloop;
3424		3873
3425	warn "enter emergency perl save\n";	3874	info "emergency_perl_save: enter\n";
		3875
		3876	# this is a trade-off: we want to be very quick here, so
		3877	# save all maps without fsync, and later call a global sync
		3878	# (which in turn might be very very slow)
		3879	local $USE_FSYNC = 0;
3426		3880
3427	cf::sync_job {	3881	cf::sync_job {
		3882	cf::write_runtime_sync; # external watchdog should not bark
		3883
3428	# use a peculiar iteration method to avoid tripping on perl	3884	# use a peculiar iteration method to avoid tripping on perl
3429	# refcount bugs in for. also avoids problems with players	3885	# refcount bugs in for. also avoids problems with players
3430	# and maps saved/destroyed asynchronously.	3886	# and maps saved/destroyed asynchronously.
3431	warn "begin emergency player save\n";	3887	info "emergency_perl_save: begin player save\n";
3432	for my $login (keys %cf::PLAYER) {	3888	for my $login (keys %cf::PLAYER) {
3433	my $pl = $cf::PLAYER{$login} or next;	3889	my $pl = $cf::PLAYER{$login} or next;
3434	$pl->valid or next;	3890	$pl->valid or next;
3435	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3891	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3436	$pl->save;	3892	$pl->save;
3437	}	3893	}
3438	warn "end emergency player save\n";	3894	info "emergency_perl_save: end player save\n";
3439		3895
3440	warn "begin emergency map save\n";	3896	cf::write_runtime_sync; # external watchdog should not bark
		3897
		3898	info "emergency_perl_save: begin map save\n";
3441	for my $path (keys %cf::MAP) {	3899	for my $path (keys %cf::MAP) {
3442	my $map = $cf::MAP{$path} or next;	3900	my $map = $cf::MAP{$path} or next;
3443	$map->valid or next;	3901	$map->valid or next;
3444	$map->save;	3902	$map->save;
3445	}	3903	}
3446	warn "end emergency map save\n";	3904	info "emergency_perl_save: end map save\n";
3447		3905
3448	warn "begin emergency database checkpoint\n";	3906	cf::write_runtime_sync; # external watchdog should not bark
		3907
		3908	info "emergency_perl_save: begin database checkpoint\n";
3449	BDB::db_env_txn_checkpoint $DB_ENV;	3909	BDB::db_env_txn_checkpoint $DB_ENV;
3450	warn "end emergency database checkpoint\n";	3910	info "emergency_perl_save: end database checkpoint\n";
		3911
		3912	info "emergency_perl_save: begin write uuid\n";
		3913	write_uuid_sync 1;
		3914	info "emergency_perl_save: end write uuid\n";
		3915
		3916	cf::write_runtime_sync; # external watchdog should not bark
		3917
		3918	trace "emergency_perl_save: syncing database to disk";
		3919	BDB::db_env_txn_checkpoint $DB_ENV;
		3920
		3921	info "emergency_perl_save: starting sync\n";
		3922	IO::AIO::aio_sync sub {
		3923	info "emergency_perl_save: finished sync\n";
		3924	};
		3925
		3926	cf::write_runtime_sync; # external watchdog should not bark
		3927
		3928	trace "emergency_perl_save: flushing outstanding aio requests";
		3929	while (IO::AIO::nreqs || BDB::nreqs) {
		3930	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3931	}
		3932
		3933	cf::write_runtime_sync; # external watchdog should not bark
3451	};	3934	};
3452		3935
3453	warn "leave emergency perl save\n";	3936	info "emergency_perl_save: leave\n";
3454	}	3937	}
3455		3938
3456	sub post_cleanup {	3939	sub post_cleanup {
3457	my ($make_core) = @_;	3940	my ($make_core) = @_;
3458		3941
		3942	IO::AIO::flush;
		3943
3459	warn Carp::longmess "post_cleanup backtrace"	3944	error Carp::longmess "post_cleanup backtrace"
3460	if $make_core;	3945	if $make_core;
		3946
		3947	my $fh = pidfile;
		3948	unlink $PIDFILE if <$fh> == $$;
		3949	}
		3950
		3951	# a safer delete_package, copied from Symbol
		3952	sub clear_package($) {
		3953	my $pkg = shift;
		3954
		3955	# expand to full symbol table name if needed
		3956	unless ($pkg =~ /^main::.*::$/) {
		3957	$pkg = "main$pkg" if $pkg =~ /^::/;
		3958	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3959	$pkg .= '::' unless $pkg =~ /::$/;
		3960	}
		3961
		3962	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3963	my $stem_symtab = *{$stem}{HASH};
		3964
		3965	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3966	or return;
		3967
		3968	# clear all symbols
		3969	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3970	for my $name (keys %$leaf_symtab) {
		3971	_gv_clear *{"$pkg$name"};
		3972	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3973	}
3461	}	3974	}
3462		3975
3463	sub do_reload_perl() {	3976	sub do_reload_perl() {
3464	# can/must only be called in main	3977	# can/must only be called in main
3465	if ($Coro::current != $Coro::main) {	3978	unless (in_main) {
3466	warn "can only reload from main coroutine";	3979	error "can only reload from main coroutine";
3467	return;	3980	return;
3468	}	3981	}
3469		3982
3470	warn "reloading...";	3983	return if $RELOAD++;
3471		3984
3472	warn "entering sync_job";	3985	my $t1 = AE::time;
3473		3986
		3987	while ($RELOAD) {
		3988	cf::get_slot 0.1, -1, "reload_perl";
		3989	info "perl_reload: reloading...";
		3990
		3991	trace "perl_reload: entering sync_job";
		3992
3474	cf::sync_job {	3993	cf::sync_job {
3475	cf::write_runtime; # external watchdog should not bark
3476	cf::emergency_save;	3994	#cf::emergency_save;
3477	cf::write_runtime; # external watchdog should not bark
3478		3995
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";	3996	trace "perl_reload: cancelling all extension coros";
3496	$_->cancel for values %EXT_CORO;	3997	$_->cancel for values %EXT_CORO;
3497	%EXT_CORO = ();	3998	%EXT_CORO = ();
3498		3999
3499	warn "removing commands";	4000	trace "perl_reload: removing commands";
3500	%COMMAND = ();	4001	%COMMAND = ();
3501		4002
3502	warn "removing ext/exti commands";	4003	trace "perl_reload: removing ext/exti commands";
3503	%EXTCMD = ();	4004	%EXTCMD = ();
3504	%EXTICMD = ();	4005	%EXTICMD = ();
3505		4006
3506	warn "unloading/nuking all extensions";	4007	trace "perl_reload: unloading/nuking all extensions";
3507	for my $pkg (@EXTS) {	4008	for my $pkg (@EXTS) {
3508	warn "... unloading $pkg";	4009	trace "... unloading $pkg";
3509		4010
3510	if (my $cb = $pkg->can ("unload")) {	4011	if (my $cb = $pkg->can ("unload")) {
3511	eval {	4012	eval {
3512	$cb->($pkg);	4013	$cb->($pkg);
3513	1	4014	1
3514	} or warn "$pkg unloaded, but with errors: $@";	4015	} or error "$pkg unloaded, but with errors: $@";
		4016	}
		4017
		4018	trace "... clearing $pkg";
		4019	clear_package $pkg;
3515	}	4020	}
3516		4021
3517	warn "... nuking $pkg";
3518	Symbol::delete_package $pkg;
3519	}
3520
3521	warn "unloading all perl modules loaded from $LIBDIR";	4022	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3522	while (my ($k, $v) = each %INC) {	4023	while (my ($k, $v) = each %INC) {
3523	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4024	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3524		4025
3525	warn "... unloading $k";	4026	trace "... unloading $k";
3526	delete $INC{$k};	4027	delete $INC{$k};
3527		4028
3528	$k =~ s/\.pm$//;	4029	$k =~ s/\.pm$//;
3529	$k =~ s/\//::/g;	4030	$k =~ s/\//::/g;
3530		4031
3531	if (my $cb = $k->can ("unload_module")) {	4032	if (my $cb = $k->can ("unload_module")) {
3532	$cb->();	4033	$cb->();
		4034	}
		4035
		4036	clear_package $k;
3533	}	4037	}
3534		4038
3535	Symbol::delete_package $k;
3536	}
3537
3538	warn "getting rid of safe::, as good as possible";	4039	trace "perl_reload: getting rid of safe::, as good as possible";
3539	Symbol::delete_package "safe::$_"	4040	clear_package "safe::$_"
3540	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4041	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3541		4042
3542	warn "unloading cf.pm \"a bit\"";	4043	trace "perl_reload: unloading cf.pm \"a bit\"";
3543	delete $INC{"cf.pm"};	4044	delete $INC{"cf.pm"};
3544	delete $INC{"cf/pod.pm"};	4045	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3545		4046
3546	# don't, removes xs symbols, too,	4047	# don't, removes xs symbols, too,
3547	# and global variables created in xs	4048	# and global variables created in xs
3548	#Symbol::delete_package __PACKAGE__;	4049	#clear_package __PACKAGE__;
3549		4050
3550	warn "unload completed, starting to reload now";	4051	info "perl_reload: unload completed, starting to reload now";
3551		4052
3552	warn "reloading cf.pm";	4053	trace "perl_reload: reloading cf.pm";
3553	require cf;	4054	require cf;
3554	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4055	cf::_connect_to_perl_1;
3555		4056
3556	warn "loading config and database again";	4057	trace "perl_reload: loading config and database again";
3557	cf::reload_config;	4058	cf::reload_config;
3558		4059
3559	warn "loading extensions";	4060	trace "perl_reload: loading extensions";
3560	cf::load_extensions;	4061	cf::load_extensions;
3561		4062
		4063	if ($REATTACH_ON_RELOAD) {
3562	warn "reattaching attachments to objects/players";	4064	trace "perl_reload: reattaching attachments to objects/players";
3563	_global_reattach; # objects, sockets	4065	_global_reattach; # objects, sockets
3564	warn "reattaching attachments to maps";	4066	trace "perl_reload: reattaching attachments to maps";
3565	reattach $_ for values %MAP;	4067	reattach $_ for values %MAP;
3566	warn "reattaching attachments to players";	4068	trace "perl_reload: reattaching attachments to players";
3567	reattach $_ for values %PLAYER;	4069	reattach $_ for values %PLAYER;
		4070	}
3568		4071
3569	warn "leaving sync_job";	4072	cf::_post_init 1;
3570		4073
		4074	trace "perl_reload: leaving sync_job";
		4075
3571	1	4076	1
3572	} or do {	4077	} or do {
3573	warn $@;	4078	error $@;
3574	cf::cleanup "error while reloading, exiting.";	4079	cf::cleanup "perl_reload: error, exiting.";
		4080	};
		4081
		4082	--$RELOAD;
3575	};	4083	}
3576		4084
3577	warn "reloaded";	4085	$t1 = AE::time - $t1;
		4086	info "perl_reload: completed in ${t1}s\n";
3578	};	4087	};
3579		4088
3580	our $RELOAD_WATCHER; # used only during reload	4089	our $RELOAD_WATCHER; # used only during reload
3581		4090
3582	sub reload_perl() {	4091	sub reload_perl() {
3583	# doing reload synchronously and two reloads happen back-to-back,	4092	# doing reload synchronously and two reloads happen back-to-back,
3584	# coro crashes during coro_state_free->destroy here.	4093	# coro crashes during coro_state_free->destroy here.
3585		4094
		4095	$RELOAD_WATCHER ||= cf::async {
		4096	Coro::AIO::aio_wait cache_extensions;
		4097
3586	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4098	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3587	do_reload_perl;	4099	do_reload_perl;
3588	undef $RELOAD_WATCHER;	4100	undef $RELOAD_WATCHER;
		4101	};
3589	};	4102	};
3590	}	4103	}
3591		4104
3592	register_command "reload" => sub {	4105	register_command "reload" => sub {
3593	my ($who, $arg) = @_;	4106	my ($who, $arg) = @_;
…		…
3599	reload_perl;	4112	reload_perl;
3600	};	4113	};
3601	}	4114	}
3602	};	4115	};
3603		4116
3604	unshift @INC, $LIBDIR;	4117	#############################################################################
3605		4118
3606	my $bug_warning = 0;	4119	my $bug_warning = 0;
3607		4120
3608	our @WAIT_FOR_TICK;
3609	our @WAIT_FOR_TICK_BEGIN;
3610
3611	sub wait_for_tick {	4121	sub wait_for_tick() {
3612	return if tick_inhibit;	4122	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3613	return if $Coro::current == $Coro::main;
3614		4123
3615	my $signal = new Coro::Signal;	4124	$WAIT_FOR_TICK->wait;
3616	push @WAIT_FOR_TICK, $signal;
3617	$signal->wait;
3618	}	4125	}
3619		4126
3620	sub wait_for_tick_begin {	4127	sub wait_for_tick_begin() {
3621	return if tick_inhibit;	4128	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3622	return if $Coro::current == $Coro::main;
3623		4129
3624	my $signal = new Coro::Signal;	4130	my $signal = new Coro::Signal;
3625	push @WAIT_FOR_TICK_BEGIN, $signal;	4131	push @WAIT_FOR_TICK_BEGIN, $signal;
3626	$signal->wait;	4132	$signal->wait;
3627	}	4133	}
…		…
3631	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4137	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3632	unless ++$bug_warning > 10;	4138	unless ++$bug_warning > 10;
3633	return;	4139	return;
3634	}	4140	}
3635		4141
3636	cf::server_tick; # one server iteration	4142	cf::one_tick; # one server iteration
		4143
		4144	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3637		4145
3638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3639	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4147	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3640	Coro::async_pool {	4148	Coro::async_pool {
3641	$Coro::current->{desc} = "runtime saver";	4149	$Coro::current->{desc} = "runtime saver";
3642	write_runtime	4150	write_runtime_sync
3643	or warn "ERROR: unable to write runtime file: $!";	4151	or error "ERROR: unable to write runtime file: $!";
3644	};	4152	};
3645	}	4153	}
3646		4154
3647	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4155	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3648	$sig->send;	4156	$sig->send;
3649	}	4157	}
3650	while (my $sig = shift @WAIT_FOR_TICK) {	4158	$WAIT_FOR_TICK->broadcast;
3651	$sig->send;
3652	}
3653		4159
3654	$LOAD = ($NOW - $TICK_START) / $TICK;	4160	$LOAD = ($NOW - $TICK_START) / $TICK;
3655	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4161	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3656		4162
3657	if (0) {	4163	if (0) {
3658	if ($NEXT_TICK) {	4164	if ($NEXT_TICK) {
3659	my $jitter = $TICK_START - $NEXT_TICK;	4165	my $jitter = $TICK_START - $NEXT_TICK;
3660	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4166	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3661	warn "jitter $JITTER\n";#d#	4167	debug "jitter $JITTER\n";#d#
3662	}	4168	}
3663	}	4169	}
3664	}	4170	}
3665		4171
3666	{	4172	{
3667	# configure BDB	4173	# configure BDB
3668		4174
3669	BDB::min_parallel 8;	4175	BDB::min_parallel 16;
3670	BDB::max_poll_reqs $TICK * 0.1;	4176	BDB::max_poll_reqs $TICK * 0.1;
3671	$Coro::BDB::WATCHER->priority (1);	4177	#$AnyEvent::BDB::WATCHER->priority (1);
3672		4178
3673	unless ($DB_ENV) {	4179	unless ($DB_ENV) {
3674	$DB_ENV = BDB::db_env_create;	4180	$DB_ENV = BDB::db_env_create;
3675	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4181	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3676	| BDB::LOG_AUTOREMOVE, 1);	4182	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4183	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3677	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4184	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3678	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4185	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3679		4186
3680	cf::sync_job {	4187	cf::sync_job {
3681	eval {	4188	eval {
…		…
3707	{	4214	{
3708	# configure IO::AIO	4215	# configure IO::AIO
3709		4216
3710	IO::AIO::min_parallel 8;	4217	IO::AIO::min_parallel 8;
3711	IO::AIO::max_poll_time $TICK * 0.1;	4218	IO::AIO::max_poll_time $TICK * 0.1;
3712	$Coro::AIO::WATCHER->priority (1);	4219	undef $AnyEvent::AIO::WATCHER;
3713	}	4220	}
3714		4221
3715	my $_log_backtrace;	4222	our $_log_backtrace;
		4223	our $_log_backtrace_last;
3716		4224
3717	sub _log_backtrace {	4225	sub _log_backtrace {
3718	my ($msg, @addr) = @_;	4226	my ($msg, @addr) = @_;
3719		4227
3720	$msg =~ s/\n//;	4228	$msg =~ s/\n$//;
3721		4229
		4230	if ($_log_backtrace_last eq $msg) {
		4231	LOG llevInfo, "[ABT] $msg\n";
		4232	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3722	# limit the # of concurrent backtraces	4233	# limit the # of concurrent backtraces
3723	if ($_log_backtrace < 2) {	4234	} elsif ($_log_backtrace < 2) {
		4235	$_log_backtrace_last = $msg;
3724	++$_log_backtrace;	4236	++$_log_backtrace;
		4237	my $perl_bt = Carp::longmess $msg;
3725	async {	4238	async {
3726	$Coro::current->{desc} = "abt $msg";	4239	$Coro::current->{desc} = "abt $msg";
3727		4240
3728	my @bt = fork_call {	4241	my @bt = fork_call {
3729	@addr = map { sprintf "%x", $_ } @addr;	4242	@addr = map { sprintf "%x", $_ } @addr;
…		…
3740	}	4253	}
3741		4254
3742	@funcs	4255	@funcs
3743	};	4256	};
3744		4257
3745	LOG llevInfo, "[ABT] $msg\n";	4258	LOG llevInfo, "[ABT] $perl_bt\n";
		4259	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3746	LOG llevInfo, "[ABT] $_\n" for @bt;	4260	LOG llevInfo, "[ABT] $_\n" for @bt;
3747	--$_log_backtrace;	4261	--$_log_backtrace;
3748	};	4262	};
3749	} else {	4263	} else {
3750	LOG llevInfo, "[ABT] $msg\n";	4264	LOG llevInfo, "[ABT] $msg\n";
3751	LOG llevInfo, "[ABT] [suppressed]\n";	4265	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3752	}	4266	}
3753	}	4267	}
3754		4268
3755	# load additional modules	4269	# load additional modules
3756	use cf::pod;	4270	require "cf/$_.pm" for @EXTRA_MODULES;
		4271	cf::_connect_to_perl_2;
3757		4272
3758	END { cf::emergency_save }	4273	END { cf::emergency_save }
3759		4274
3760	1	4275	1
3761		4276

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