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Revision 1.422 by root, Tue Apr 15 20:46:55 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 4.50 ();	38	use Coro ();
37	use Coro::State;	39	use Coro::State;
38	use Coro::Handle;	40	use Coro::Handle;
39	use Coro::EV;	41	use Coro::EV;
		42	use Coro::AnyEvent;
40	use Coro::Timer;	43	use Coro::Timer;
41	use Coro::Signal;	44	use Coro::Signal;
42	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
43	use Coro::AIO;	48	use Coro::AIO;
44	use Coro::BDB;	49	use Coro::BDB 1.6;
45	use Coro::Storable;	50	use Coro::Storable;
46	use Coro::Util ();	51	use Coro::Util ();
47		52
48	use JSON::XS 2.01 ();	53	use JSON::XS 2.01 ();
49	use BDB ();	54	use BDB ();
50	use Data::Dumper;	55	use Data::Dumper;
51	use Digest::MD5;
52	use Fcntl;	56	use Fcntl;
53	use YAML ();	57	use YAML::XS ();
54	use IO::AIO 2.51 ();	58	use IO::AIO ();
55	use Time::HiRes;	59	use Time::HiRes;
56	use Compress::LZF;	60	use Compress::LZF;
57	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
58		64
59	# configure various modules to our taste	65	# configure various modules to our taste
60	#	66	#
61	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
64		75
65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
66		78
67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
68		82
69	our %COMMAND = ();	83	our %COMMAND = ();
70	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
71		85
72	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
73	our %EXTCMD = ();	87	our %EXTCMD = ();
74	our %EXTICMD = ();	88	our %EXTICMD = ();
75	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
76	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
77		91
78	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
79	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
80		96
81	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
82	our $DATADIR = datadir;	99	our $DATADIR = datadir;
83	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
84	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
85	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
86	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
87	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
90	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
91	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
92	our %RESOURCE;	110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	#our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
93		120
94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
95	our $AIO_POLL_WATCHER;
96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
97	our $NEXT_TICK;	123	our $NEXT_TICK;
98	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
99		125
100	our $BDB_POLL_WATCHER;
101	our $BDB_DEADLOCK_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
102	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
103	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
104	our $DB_ENV;	129	our $DB_ENV;
105		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
106	our %CFG;	133	our %CFG;
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	$busy = 0;
426	Coro::schedule;	614	Coro::schedule;
427	}	615	}
428	}	616	}
429	};	617	};
430		618
431	sub get_slot($;$$) {	619	sub get_slot($;$$) {
432	return if tick_inhibit;	620	return if tick_inhibit || $Coro::current == $Coro::main;
433		621
434	my ($time, $pri, $name) = @_;	622	my ($time, $pri, $name) = @_;
435		623
436	$time = $TICK * .6 if $time > $TICK * .6;	624	$time = clamp $time, 0.01, $TICK * .6;
		625
437	my $sig = new Coro::Signal;	626	my $sig = new Coro::Signal;
438		627
439	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	628	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
440	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	629	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
441	$SLOT_QUEUE->ready;	630	$SLOT_QUEUE->ready;
…		…
467	=cut	656	=cut
468		657
469	sub sync_job(&) {	658	sub sync_job(&) {
470	my ($job) = @_;	659	my ($job) = @_;
471		660
472	if ($Coro::current == $Coro::main) {	661	if (in_main) {
473	my $time = EV::time;	662	my $time = AE::time;
474		663
475	# this is the main coro, too bad, we have to block	664	# this is the main coro, too bad, we have to block
476	# till the operation succeeds, freezing the server :/	665	# till the operation succeeds, freezing the server :/
477		666
478	LOG llevError, Carp::longmess "sync job";#d#	667	#LOG llevError, Carp::longmess "sync job";#d#
479		668
480	my $freeze_guard = freeze_mainloop;	669	my $freeze_guard = freeze_mainloop;
481		670
482	my $busy = 1;	671	my $busy = 1;
483	my @res;	672	my @res;
484		673
485	(async {	674	(async {
486	$Coro::current->desc ("sync job coro");	675	$Coro::current->desc ("sync job coro");
487	@res = eval { $job->() };	676	@res = eval { $job->() };
488	warn $@ if $@;	677	error $@ if $@;
489	undef $busy;	678	undef $busy;
490	})->prio (Coro::PRIO_MAX);	679	})->prio (Coro::PRIO_MAX);
491		680
492	while ($busy) {	681	while ($busy) {
493	if (Coro::nready) {	682	if (Coro::nready) {
…		…
495	} else {	684	} else {
496	EV::loop EV::LOOP_ONESHOT;	685	EV::loop EV::LOOP_ONESHOT;
497	}	686	}
498	}	687	}
499		688
500	my $time = EV::time - $time;	689	my $time = AE::time - $time;
501		690
502	$TICK_START += $time; # do not account sync jobs to server load	691	$TICK_START += $time; # do not account sync jobs to server load
503		692
504	wantarray ? @res : $res[0]	693	wantarray ? @res : $res[0]
505	} else {	694	} else {
…		…
527	$EXT_CORO{$coro+0} = $coro;	716	$EXT_CORO{$coro+0} = $coro;
528		717
529	$coro	718	$coro
530	}	719	}
531		720
532	=item fork_call { }, $args	721	=item fork_call { }, @args
533		722
534	Executes the given code block with the given arguments in a seperate	723	Executes the given code block with the given arguments in a seperate
535	process, returning the results. Everything must be serialisable with	724	process, returning the results. Everything must be serialisable with
536	Coro::Storable. May, of course, block. Note that the executed sub may	725	Coro::Storable. May, of course, block. Note that the executed sub may
537	never block itself or use any form of event handling.	726	never block itself or use any form of event handling.
538		727
539	=cut	728	=cut
540		729
		730	sub post_fork {
		731	reset_signals;
		732	}
		733
541	sub fork_call(&@) {	734	sub fork_call(&@) {
542	my ($cb, @args) = @_;	735	my ($cb, @args) = @_;
543		736
544	# we seemingly have to make a local copy of the whole thing,	737	# we seemingly have to make a local copy of the whole thing,
545	# otherwise perl prematurely frees the stuff :/	738	# otherwise perl prematurely frees the stuff :/
546	# TODO: investigate and fix (likely this will be rather laborious)	739	# TODO: investigate and fix (likely this will be rather laborious)
547		740
548	my @res = Coro::Util::fork_eval {	741	my @res = Coro::Util::fork_eval {
549	reset_signals;	742	cf::post_fork;
550	&$cb	743	&$cb
551	}, @args;	744	} @args;
552		745
553	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	)
554	}	758	}
555		759
556	=item $coin = coin_from_name $name	760	=item $coin = coin_from_name $name
557		761
558	=cut	762	=cut
…		…
595	within each server.	799	within each server.
596		800
597	=cut	801	=cut
598		802
599	sub db_table($) {	803	sub db_table($) {
		804	cf::error "db_get called from main context"
		805	if $Coro::current == $Coro::main;
		806
600	my ($name) = @_;	807	my ($name) = @_;
601	my $db = BDB::db_create $DB_ENV;	808	my $db = BDB::db_create $DB_ENV;
602		809
603	eval {	810	eval {
604	$db->set_flags (BDB::CHKSUM);	811	$db->set_flags (BDB::CHKSUM);
…		…
614	}	821	}
615		822
616	our $DB;	823	our $DB;
617		824
618	sub db_init {	825	sub db_init {
619	cf::sync_job {
620	$DB ||= db_table "db";	826	$DB ||= db_table "db";
621	};
622	}	827	}
623		828
624	sub db_get($$) {	829	sub db_get($$) {
625	my $key = "$_[0]/$_[1]";	830	my $key = "$_[0]/$_[1]";
626		831
627	cf::sync_job {	832	cf::error "db_get called from main context"
		833	if $Coro::current == $Coro::main;
		834
628	BDB::db_get $DB, undef, $key, my $data;	835	BDB::db_get $DB, undef, $key, my $data;
629		836
630	$! ? ()	837	$! ? ()
631	: $data	838	: $data
632	}
633	}	839	}
634		840
635	sub db_put($$$) {	841	sub db_put($$$) {
636	BDB::dbreq_pri 4;	842	BDB::dbreq_pri 4;
637	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	843	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
665		871
666	my @data;	872	my @data;
667	my $md5;	873	my $md5;
668		874
669	for (0 .. $#$src) {	875	for (0 .. $#$src) {
670	0 <= aio_load $src->[$_], $data[$_]	876	$data[$_] = load_file $src->[$_];
671	or Carp::croak "$src->[$_]: $!";
672	}	877	}
673		878
674	# if processing is expensive, check	879	# if processing is expensive, check
675	# checksum first	880	# checksum first
676	if (1) {	881	if (1) {
…		…
693		898
694	my $t1 = Time::HiRes::time;	899	my $t1 = Time::HiRes::time;
695	my $data = $process->(\@data);	900	my $data = $process->(\@data);
696	my $t2 = Time::HiRes::time;	901	my $t2 = Time::HiRes::time;
697		902
698	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	903	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
699		904
700	db_put cache => "$id/data", $data;	905	db_put cache => "$id/data", $data;
701	db_put cache => "$id/md5" , $md5;	906	db_put cache => "$id/md5" , $md5;
702	db_put cache => "$id/meta", $meta;	907	db_put cache => "$id/meta", $meta;
703		908
…		…
713		918
714	=cut	919	=cut
715		920
716	sub datalog($@) {	921	sub datalog($@) {
717	my ($type, %kv) = @_;	922	my ($type, %kv) = @_;
718	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	923	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
719	}	924	}
720		925
721	=back	926	=back
722		927
723	=cut	928	=cut
724		929
725	#############################################################################	930	#############################################################################
726		931
727	=head2 ATTACHABLE OBJECTS	932	=head2 ATTACHABLE OBJECTS
728		933
729	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
730	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")
731	to it. All such attachable objects support the following methods.	936	to it. All such attachable objects support the following methods.
732		937
733	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>
734	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
…		…
784	=item cf::CLASS::attachment $name, ...	989	=item cf::CLASS::attachment $name, ...
785		990
786	Register an attachment by C<$name> through which attachable objects of the	991	Register an attachment by C<$name> through which attachable objects of the
787	given CLASS can refer to this attachment.	992	given CLASS can refer to this attachment.
788		993
789	Some classes such as crossfire maps and objects can specify attachments	994	Some classes such as deliantra maps and objects can specify attachments
790	that are attached at load/instantiate time, thus the need for a name.	995	that are attached at load/instantiate time, thus the need for a name.
791		996
792	These calls expect any number of the following handler/hook descriptions:	997	These calls expect any number of the following handler/hook descriptions:
793		998
794	=over 4	999	=over 4
…		…
918		1123
919	} elsif (exists $cb_id{$type}) {	1124	} elsif (exists $cb_id{$type}) {
920	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1125	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
921		1126
922	} elsif (ref $type) {	1127	} elsif (ref $type) {
923	warn "attaching objects not supported, ignoring.\n";	1128	error "attaching objects not supported, ignoring.\n";
924		1129
925	} else {	1130	} else {
926	shift @arg;	1131	shift @arg;
927	warn "attach argument '$type' not supported, ignoring.\n";	1132	error "attach argument '$type' not supported, ignoring.\n";
928	}	1133	}
929	}	1134	}
930	}	1135	}
931		1136
932	sub _object_attach {	1137	sub _object_attach {
…		…
942	_attach $registry, $klass, @attach;	1147	_attach $registry, $klass, @attach;
943	}	1148	}
944		1149
945	$obj->{$name} = \%arg;	1150	$obj->{$name} = \%arg;
946	} else {	1151	} else {
947	warn "object uses attachment '$name' which is not available, postponing.\n";	1152	info "object uses attachment '$name' which is not available, postponing.\n";
948	}	1153	}
949		1154
950	$obj->{_attachment}{$name} = undef;	1155	$obj->{_attachment}{$name} = undef;
951	}	1156	}
952		1157
…		…
1011		1216
1012	for (@$callbacks) {	1217	for (@$callbacks) {
1013	eval { &{$_->[1]} };	1218	eval { &{$_->[1]} };
1014		1219
1015	if ($@) {	1220	if ($@) {
1016	warn "$@";
1017	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1221	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1018	override;	1222	override;
1019	}	1223	}
1020		1224
1021	return 1 if $override;	1225	return 1 if $override;
1022	}	1226	}
…		…
1085		1289
1086	sub reattach {	1290	sub reattach {
1087	# basically do the same as instantiate, without calling instantiate	1291	# basically do the same as instantiate, without calling instantiate
1088	my ($obj) = @_;	1292	my ($obj) = @_;
1089		1293
		1294	# no longer needed after getting rid of delete_package?
1090	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
1091		1296
1092	my $registry = $obj->registry;	1297	my $registry = $obj->registry;
1093		1298
1094	@$registry = ();	1299	@$registry = ();
1095		1300
…		…
1100	for (@$attach) {	1305	for (@$attach) {
1101	my ($klass, @attach) = @$_;	1306	my ($klass, @attach) = @$_;
1102	_attach $registry, $klass, @attach;	1307	_attach $registry, $klass, @attach;
1103	}	1308	}
1104	} else {	1309	} else {
1105	warn "object uses attachment '$name' that is not available, postponing.\n";	1310	info "object uses attachment '$name' that is not available, postponing.\n";
1106	}	1311	}
1107	}	1312	}
1108	}	1313	}
1109		1314
1110	cf::attachable->attach (	1315	cf::attachable->attach (
…		…
1137	my ($filename, $rdata, $objs) = @_;	1342	my ($filename, $rdata, $objs) = @_;
1138		1343
1139	sync_job {	1344	sync_job {
1140	if (length $$rdata) {	1345	if (length $$rdata) {
1141	utf8::decode (my $decname = $filename);	1346	utf8::decode (my $decname = $filename);
1142	warn sprintf "saving %s (%d,%d)\n",	1347	trace sprintf "saving %s (%d,%d)\n",
1143	$decname, length $$rdata, scalar @$objs;	1348	$decname, length $$rdata, scalar @$objs
		1349	if $VERBOSE_IO;
1144		1350
1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1351	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1146	chmod SAVE_MODE, $fh;	1352	aio_chmod $fh, SAVE_MODE;
1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1353	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1148	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	}
1149	close $fh;	1358	aio_close $fh;
1150		1359
1151	if (@$objs) {	1360	if (@$objs) {
1152	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) {
1153	chmod SAVE_MODE, $fh;	1362	aio_chmod $fh, SAVE_MODE;
1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1363	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1155	aio_write $fh, 0, (length $data), $data, 0;	1364	aio_write $fh, 0, (length $data), $data, 0;
1156	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	}
1157	close $fh;	1369	aio_close $fh;
1158	aio_rename "$filename.pst~", "$filename.pst";	1370	aio_rename "$filename.pst~", "$filename.pst";
1159	}	1371	}
1160	} else {	1372	} else {
1161	aio_unlink "$filename.pst";	1373	aio_unlink "$filename.pst";
1162	}	1374	}
1163		1375
1164	aio_rename "$filename~", $filename;	1376	aio_rename "$filename~", $filename;
		1377
		1378	$filename =~ s%/[^/]+$%%;
		1379	aio_pathsync $filename if $cf::USE_FSYNC;
1165	} else {	1380	} else {
1166	warn "FATAL: $filename~: $!\n";	1381	error "unable to save objects: $filename~: $!\n";
1167	}	1382	}
1168	} else {	1383	} else {
1169	aio_unlink $filename;	1384	aio_unlink $filename;
1170	aio_unlink "$filename.pst";	1385	aio_unlink "$filename.pst";
1171	}	1386	}
…		…
1195	my $st = eval { Coro::Storable::thaw $av };	1410	my $st = eval { Coro::Storable::thaw $av };
1196	$av = $st->{objs};	1411	$av = $st->{objs};
1197	}	1412	}
1198		1413
1199	utf8::decode (my $decname = $filename);	1414	utf8::decode (my $decname = $filename);
1200	warn sprintf "loading %s (%d,%d)\n",	1415	trace sprintf "loading %s (%d,%d)\n",
1201	$decname, length $data, scalar @{$av || []};	1416	$decname, length $data, scalar @{$av || []}
		1417	if $VERBOSE_IO;
1202		1418
1203	($data, $av)	1419	($data, $av)
1204	}	1420	}
1205		1421
1206	=head2 COMMAND CALLBACKS	1422	=head2 COMMAND CALLBACKS
…		…
1262	my ($name, $cb) = @_;	1478	my ($name, $cb) = @_;
1263		1479
1264	$EXTICMD{$name} = $cb;	1480	$EXTICMD{$name} = $cb;
1265	}	1481	}
1266		1482
		1483	use File::Glob ();
		1484
1267	cf::player->attach (	1485	cf::player->attach (
1268	on_command => sub {	1486	on_unknown_command => sub {
1269	my ($pl, $name, $params) = @_;	1487	my ($pl, $name, $params) = @_;
1270		1488
1271	my $cb = $COMMAND{$name}	1489	my $cb = $COMMAND{$name}
1272	or return;	1490	or return;
1273		1491
…		…
1281	my ($pl, $buf) = @_;	1499	my ($pl, $buf) = @_;
1282		1500
1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1501	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1284		1502
1285	if (ref $msg) {	1503	if (ref $msg) {
1286	my ($type, $reply, @payload) =	1504	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1287	"ARRAY" eq ref $msg
1288	? @$msg
1289	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1290		1505
1291	my @reply;	1506	my @reply;
1292		1507
1293	if (my $cb = $EXTCMD{$type}) {	1508	if (my $cb = $EXTCMD{$type}) {
1294	@reply = $cb->($pl, @payload);	1509	@reply = $cb->($pl, @payload);
…		…
1296		1511
1297	$pl->ext_reply ($reply, @reply)	1512	$pl->ext_reply ($reply, @reply)
1298	if $reply;	1513	if $reply;
1299		1514
1300	} else {	1515	} else {
1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1516	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1302	}	1517	}
1303		1518
1304	cf::override;	1519	cf::override;
1305	},	1520	},
1306	);	1521	);
1307		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
1308	sub load_extensions {	1536	sub load_extensions {
		1537	info "loading extensions...";
		1538
1309	cf::sync_job {	1539	cf::sync_job {
1310	my %todo;	1540	my %todo;
1311		1541
1312	for my $path (<$LIBDIR/*.ext>) {	1542	for my $path (<$LIBDIR/*.ext>) {
1313	next unless -r $path;	1543	next unless -r $path;
…		…
1331		1561
1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1562	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1333	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1563	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1334		1564
1335	$ext{source} =	1565	$ext{source} =
1336	"package $pkg; use strict; use utf8;\n"	1566	"package $pkg; use common::sense;\n"
1337	. "#line 1 \"$path\"\n{\n"	1567	. "#line 1 \"$path\"\n{\n"
1338	. $source	1568	. $source
1339	. "\n};\n1";	1569	. "\n};\n1";
1340		1570
1341	$todo{$base} = \%ext;	1571	$todo{$base} = \%ext;
1342	}	1572	}
1343		1573
		1574	my $pass = 0;
1344	my %done;	1575	my %done;
1345	while (%todo) {	1576	while (%todo) {
1346	my $progress;	1577	my $progress;
1347		1578
		1579	++$pass;
		1580
		1581	ext:
1348	while (my ($k, $v) = each %todo) {	1582	while (my ($k, $v) = each %todo) {
1349	for (split /,\s*/, $v->{meta}{depends}) {	1583	for (split /,\s*/, $v->{meta}{depends}) {
1350	goto skip	1584	next ext
1351	unless exists $done{$_};	1585	unless exists $done{$_};
1352	}	1586	}
1353		1587
1354	warn "... loading '$k' into '$v->{pkg}'\n";	1588	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1355		1589
1356	unless (eval $v->{source}) {	1590	my $active = eval $v->{source};
		1591
		1592	if (length $@) {
1357	my $msg = $@ ? "$v->{path}: $@\n"	1593	error "$v->{path}: $@\n";
1358	: "$v->{base}: extension inactive.\n";
1359		1594
1360	if (exists $v->{meta}{mandatory}) {
1361	warn $msg;
1362	cf::cleanup "mandatory extension failed to load, exiting.";	1595	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1363	}	1596	if exists $v->{meta}{mandatory};
1364		1597
1365	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;
1366	}	1607	}
1367
1368	$done{$k} = delete $todo{$k};
1369	push @EXTS, $v->{pkg};
1370	$progress = 1;
1371	}	1608	}
1372		1609
1373	skip:	1610	unless ($progress) {
1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1611	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1375	unless $progress;	1612
		1613	while (my ($k, $v) = each %todo) {
		1614	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1615	if exists $v->{meta}{mandatory};
		1616	}
		1617
		1618	last;
		1619	}
1376	}	1620	}
1377	};	1621	};
1378	}	1622	}
1379		1623
1380	#############################################################################	1624	#############################################################################
1381		1625
1382	=back	1626	=back
1383		1627
1384	=head2 CORE EXTENSIONS	1628	=head2 CORE EXTENSIONS
1385		1629
1386	Functions and methods that extend core crossfire objects.	1630	Functions and methods that extend core deliantra objects.
1387		1631
1388	=cut	1632	=cut
1389		1633
1390	package cf::player;	1634	package cf::player;
1391		1635
…		…
1434		1678
1435	sub exists($) {	1679	sub exists($) {
1436	my ($login) = @_;	1680	my ($login) = @_;
1437		1681
1438	$cf::PLAYER{$login}	1682	$cf::PLAYER{$login}
1439	or cf::sync_job { !aio_stat path $login }	1683	or !aio_stat path $login
1440	}	1684	}
1441		1685
1442	sub find($) {	1686	sub find($) {
1443	return $cf::PLAYER{$_[0]} || do {	1687	return $cf::PLAYER{$_[0]} || do {
1444	my $login = $_[0];	1688	my $login = $_[0];
…		…
1456	my $f = new_from_file cf::object::thawer path $login	1700	my $f = new_from_file cf::object::thawer path $login
1457	or return;	1701	or return;
1458		1702
1459	my $pl = cf::player::load_pl $f	1703	my $pl = cf::player::load_pl $f
1460	or return;	1704	or return;
		1705
1461	local $cf::PLAYER_LOADING{$login} = $pl;	1706	local $cf::PLAYER_LOADING{$login} = $pl;
1462	$f->resolve_delayed_derefs;	1707	$f->resolve_delayed_derefs;
1463	$cf::PLAYER{$login} = $pl	1708	$cf::PLAYER{$login} = $pl
1464	}	1709	}
1465	}	1710	}
1466	}	1711	}
1467		1712
		1713	cf::player->attach (
		1714	on_load => sub {
		1715	my ($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
1468	sub save($) {	1726	sub save($) {
1469	my ($pl) = @_;	1727	my ($pl) = @_;
1470		1728
1471	return if $pl->{deny_save};	1729	return if $pl->{deny_save};
1472		1730
…		…
1477		1735
1478	aio_mkdir playerdir $pl, 0770;	1736	aio_mkdir playerdir $pl, 0770;
1479	$pl->{last_save} = $cf::RUNTIME;	1737	$pl->{last_save} = $cf::RUNTIME;
1480		1738
1481	cf::get_slot 0.01;	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];
1482		1743
1483	$pl->save_pl ($path);	1744	$pl->save_pl ($path);
1484	cf::cede_to_tick;	1745	cf::cede_to_tick;
1485	}	1746	}
1486		1747
…		…
1518	my ($pl) = @_;	1779	my ($pl) = @_;
1519		1780
1520	my $name = $pl->ob->name;	1781	my $name = $pl->ob->name;
1521		1782
1522	$pl->{deny_save} = 1;	1783	$pl->{deny_save} = 1;
1523	$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
1524		1785
1525	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1786	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1526	$pl->deactivate;	1787	$pl->deactivate;
		1788
		1789	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1527	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1790	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1791	ext::highscore::check ($pl->ob);
		1792
1528	$pl->ns->destroy if $pl->ns;	1793	$pl->ns->destroy if $pl->ns;
1529		1794
1530	my $path = playerdir $pl;	1795	my $path = playerdir $pl;
1531	my $temp = "$path~$cf::RUNTIME~deleting~";	1796	my $temp = "$path~$cf::RUNTIME~deleting~";
1532	aio_rename $path, $temp;	1797	aio_rename $path, $temp;
…		…
1570		1835
1571	for my $login (@$dirs) {	1836	for my $login (@$dirs) {
1572	my $path = path $login;	1837	my $path = path $login;
1573		1838
1574	# a .pst is a dead give-away for a valid player	1839	# a .pst is a dead give-away for a valid player
1575	unless (-e "$path.pst") {	1840	# if no pst file found, open and chekc for blocked users
		1841	if (aio_stat "$path.pst") {
1576	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1842	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1577	aio_read $fh, 0, 512, my $buf, 0 or next;	1843	aio_read $fh, 0, 512, my $buf, 0 or next;
1578	$buf !~ /^password -------------$/m or next; # official not-valid tag	1844	$buf !~ /^password -------------$/m or next; # official not-valid tag
1579	}	1845	}
1580		1846
…		…
1584		1850
1585	\@logins	1851	\@logins
1586	}	1852	}
1587		1853
1588	=item $player->maps	1854	=item $player->maps
		1855
		1856	=item cf::player::maps $login
1589		1857
1590	Returns an arrayref of map paths that are private for this	1858	Returns an arrayref of map paths that are private for this
1591	player. May block.	1859	player. May block.
1592		1860
1593	=cut	1861	=cut
…		…
1611	}	1879	}
1612		1880
1613	\@paths	1881	\@paths
1614	}	1882	}
1615		1883
1616	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1884	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1617		1885
1618	Expand crossfire pod fragments into protocol xml.	1886	Expand deliantra pod fragments into protocol xml.
1619
1620	=cut
1621
1622	use re 'eval';
1623
1624	my $group;
1625	my $interior; $interior = qr{
1626	# match a pod interior sequence sans C<< >>
1627	(?:
1628	\ (.*?)\ (?{ $group = $^N })
1629	| < (??{$interior}) >
1630	)
1631	}x;
1632
1633	sub expand_cfpod {
1634	my ($self, $pod) = @_;
1635
1636	my $xml;
1637
1638	while () {
1639	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1640	$group = $1;
1641
1642	$group =~ s/&/&amp;/g;
1643	$group =~ s/</&lt;/g;
1644
1645	$xml .= $group;
1646	} elsif ($pod =~ m%\G
1647	([BCGHITU])
1648	<
1649	(?:
1650	([^<>]*) (?{ $group = $^N })
1651	| < $interior >
1652	)
1653	>
1654	%gcsx
1655	) {
1656	my ($code, $data) = ($1, $group);
1657
1658	if ($code eq "B") {
1659	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1660	} elsif ($code eq "I") {
1661	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1662	} elsif ($code eq "U") {
1663	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1664	} elsif ($code eq "C") {
1665	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1666	} elsif ($code eq "T") {
1667	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1668	} elsif ($code eq "G") {
1669	my ($male, $female) = split /\|/, $data;
1670	$data = $self->gender ? $female : $male;
1671	$xml .= expand_cfpod ($self, $data);
1672	} elsif ($code eq "H") {
1673	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1674	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1675	"")
1676	[$self->{hintmode}];
1677	} else {
1678	$xml .= "error processing '$code($data)' directive";
1679	}
1680	} else {
1681	if ($pod =~ /\G(.+)/) {
1682	warn "parse error while expanding $pod (at $1)";
1683	}
1684	last;
1685	}
1686	}
1687
1688	for ($xml) {
1689	# create single paragraphs (very hackish)
1690	s/(?<=\S)\n(?=\w)/ /g;
1691
1692	# compress some whitespace
1693	s/\s+\n/\n/g; # ws line-ends
1694	s/\n\n+/\n/g; # double lines
1695	s/^\n+//; # beginning lines
1696	s/\n+$//; # ending lines
1697	}
1698
1699	$xml
1700	}
1701
1702	no re 'eval';
1703
1704	sub hintmode {
1705	$_[0]{hintmode} = $_[1] if @_ > 1;
1706	$_[0]{hintmode}
1707	}
1708		1887
1709	=item $player->ext_reply ($msgid, @msg)	1888	=item $player->ext_reply ($msgid, @msg)
1710		1889
1711	Sends an ext reply to the player.	1890	Sends an ext reply to the player.
1712		1891
…		…
1744		1923
1745	=cut	1924	=cut
1746		1925
1747	sub find_by_path($) {	1926	sub find_by_path($) {
1748	my ($path) = @_;	1927	my ($path) = @_;
		1928
		1929	$path =~ s/^~[^\/]*//; # skip ~login
1749		1930
1750	my ($match, $specificity);	1931	my ($match, $specificity);
1751		1932
1752	for my $region (list) {	1933	for my $region (list) {
1753	if ($region->{match} && $path =~ $region->{match}) {	1934	if ($region->{match} && $path =~ $region->{match}) {
…		…
1782	sub generate_random_map {	1963	sub generate_random_map {
1783	my ($self, $rmp) = @_;	1964	my ($self, $rmp) = @_;
1784		1965
1785	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM	1966	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1786		1967
1787	# mit "rum" bekleckern, nicht
1788	$self->_create_random_map (	1968	$self->_create_random_map ($rmp);
1789	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1790	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1791	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1792	$rmp->{exit_on_final_map},
1793	$rmp->{xsize}, $rmp->{ysize},
1794	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1795	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1796	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1797	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1798	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1799	(cf::region::find $rmp->{region}), $rmp->{custom}
1800	)
1801	}	1969	}
1802		1970
1803	=item cf::map->register ($regex, $prio)	1971	=item cf::map->register ($regex, $prio)
1804		1972
1805	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
…		…
1810		1978
1811	sub register {	1979	sub register {
1812	my (undef, $regex, $prio) = @_;	1980	my (undef, $regex, $prio) = @_;
1813	my $pkg = caller;	1981	my $pkg = caller;
1814		1982
1815	no strict;
1816	push @{"$pkg\::ISA"}, __PACKAGE__;	1983	push @{"$pkg\::ISA"}, __PACKAGE__;
1817		1984
1818	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1985	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1819	}	1986	}
1820		1987
1821	# also paths starting with '/'	1988	# also paths starting with '/'
1822	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1989	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1823		1990
1824	sub thawer_merge {	1991	sub thawer_merge {
1825	my ($self, $merge) = @_;	1992	my ($self, $merge) = @_;
1826		1993
1827	# we have to keep some variables in memory intact	1994	# we have to keep some variables in memory intact
…		…
1832	}	1999	}
1833		2000
1834	sub normalise {	2001	sub normalise {
1835	my ($path, $base) = @_;	2002	my ($path, $base) = @_;
1836		2003
1837	$path = "$path"; # make sure its a string	2004	$path = "$path"; # make sure it's a string
1838		2005
1839	$path =~ s/\.map$//;	2006	$path =~ s/\.map$//;
1840		2007
1841	# map plan:	2008	# map plan:
1842	#	2009	#
…		…
1857	$base =~ s{[^/]+/?$}{};	2024	$base =~ s{[^/]+/?$}{};
1858	$path = "$base/$path";	2025	$path = "$base/$path";
1859	}	2026	}
1860		2027
1861	for ($path) {	2028	for ($path) {
1862	redo if s{//}{/};
1863	redo if s{/\.?/}{/};	2029	redo if s{/\.?/}{/};
1864	redo if s{/[^/]+/\.\./}{/};	2030	redo if s{/[^/]+/\.\./}{/};
1865	}	2031	}
1866		2032
1867	$path	2033	$path
…		…
1881	$self->init; # pass $1 etc.	2047	$self->init; # pass $1 etc.
1882	return $self;	2048	return $self;
1883	}	2049	}
1884	}	2050	}
1885		2051
1886	Carp::cluck "unable to resolve path '$path' (base '$base').";	2052	Carp::cluck "unable to resolve path '$path' (base '$base')";
1887	()	2053	()
1888	}	2054	}
1889		2055
		2056	# may re-bless or do other evil things
1890	sub init {	2057	sub init {
1891	my ($self) = @_;	2058	my ($self) = @_;
1892		2059
1893	$self	2060	$self
1894	}	2061	}
…		…
1925		2092
1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2093	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1927	"$UNIQUEDIR/$path"	2094	"$UNIQUEDIR/$path"
1928	}	2095	}
1929		2096
1930	# and all this just because we cannot iterate over
1931	# all maps in C++...
1932	sub change_all_map_light {
1933	my ($change) = @_;
1934
1935	$_->change_map_light ($change)
1936	for grep $_->outdoor, values %cf::MAP;
1937	}
1938
1939	sub decay_objects {	2097	sub decay_objects {
1940	my ($self) = @_;	2098	my ($self) = @_;
1941		2099
1942	return if $self->{deny_reset};	2100	return if $self->{deny_reset};
1943		2101
…		…
1968	$self->{load_path} = $path;	2126	$self->{load_path} = $path;
1969		2127
1970	1	2128	1
1971	}	2129	}
1972		2130
		2131	# used to laod the header of an original map
1973	sub load_header_orig {	2132	sub load_header_orig {
1974	my ($self) = @_;	2133	my ($self) = @_;
1975		2134
1976	$self->load_header_from ($self->load_path)	2135	$self->load_header_from ($self->load_path)
1977	}	2136	}
1978		2137
		2138	# used to laod the header of an instantiated map
1979	sub load_header_temp {	2139	sub load_header_temp {
1980	my ($self) = @_;	2140	my ($self) = @_;
1981		2141
1982	$self->load_header_from ($self->save_path)	2142	$self->load_header_from ($self->save_path)
1983	}	2143	}
1984		2144
		2145	# called after loading the header from an instantiated map
1985	sub prepare_temp {	2146	sub prepare_temp {
1986	my ($self) = @_;	2147	my ($self) = @_;
1987		2148
1988	$self->last_access ((delete $self->{last_access})	2149	$self->last_access ((delete $self->{last_access})
1989	|| $cf::RUNTIME); #d#	2150	|| $cf::RUNTIME); #d#
1990	# safety	2151	# safety
1991	$self->{instantiate_time} = $cf::RUNTIME	2152	$self->{instantiate_time} = $cf::RUNTIME
1992	if $self->{instantiate_time} > $cf::RUNTIME;	2153	if $self->{instantiate_time} > $cf::RUNTIME;
1993	}	2154	}
1994		2155
		2156	# called after loading the header from an original map
1995	sub prepare_orig {	2157	sub prepare_orig {
1996	my ($self) = @_;	2158	my ($self) = @_;
1997		2159
1998	$self->{load_original} = 1;	2160	$self->{load_original} = 1;
1999	$self->{instantiate_time} = $cf::RUNTIME;	2161	$self->{instantiate_time} = $cf::RUNTIME;
…		…
2023		2185
2024	sub find;	2186	sub find;
2025	sub find {	2187	sub find {
2026	my ($path, $origin) = @_;	2188	my ($path, $origin) = @_;
2027		2189
		2190	cf::cede_to_tick;
		2191
2028	$path = normalise $path, $origin && $origin->path;	2192	$path = normalise $path, $origin;
2029		2193
2030	cf::lock_wait "map_data:$path";#d#remove	2194	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2031	cf::lock_wait "map_find:$path";	2195	my $guard2 = cf::lock_acquire "map_find:$path";
2032		2196
2033	$cf::MAP{$path} || do {	2197	$cf::MAP{$path} || do {
2034	my $guard1 = cf::lock_acquire "map_find:$path";
2035	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2036
2037	my $map = new_from_path cf::map $path	2198	my $map = new_from_path cf::map $path
2038	or return;	2199	or return;
2039		2200
2040	$map->{last_save} = $cf::RUNTIME;	2201	$map->{last_save} = $cf::RUNTIME;
2041		2202
…		…
2043	or return;	2204	or return;
2044		2205
2045	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2206	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2046	# doing this can freeze the server in a sync job, obviously	2207	# doing this can freeze the server in a sync job, obviously
2047	#$cf::WAIT_FOR_TICK->wait;	2208	#$cf::WAIT_FOR_TICK->wait;
		2209	undef $guard2;
2048	undef $guard1;	2210	undef $guard1;
2049	undef $guard2;
2050	$map->reset;	2211	$map->reset;
2051	return find $path;	2212	return find $path;
2052	}	2213	}
2053		2214
2054	$cf::MAP{$path} = $map	2215	$cf::MAP{$path} = $map
2055	}	2216	}
2056	}	2217	}
2057		2218
2058	sub pre_load { }	2219	sub pre_load { }
2059	sub post_load { }	2220	#sub post_load { } # XS
2060		2221
2061	sub load {	2222	sub load {
2062	my ($self) = @_;	2223	my ($self) = @_;
2063		2224
2064	local $self->{deny_reset} = 1; # loading can take a long time	2225	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2067		2228
2068	{	2229	{
2069	my $guard = cf::lock_acquire "map_data:$path";	2230	my $guard = cf::lock_acquire "map_data:$path";
2070		2231
2071	return unless $self->valid;	2232	return unless $self->valid;
2072	return unless $self->in_memory == cf::MAP_SWAPPED;	2233	return unless $self->state == cf::MAP_SWAPPED;
2073
2074	$self->in_memory (cf::MAP_LOADING);
2075		2234
2076	$self->alloc;	2235	$self->alloc;
2077		2236
2078	$self->pre_load;	2237	$self->pre_load;
2079	cf::cede_to_tick;	2238	cf::cede_to_tick;
2080		2239
		2240	if (exists $self->{load_path}) {
2081	my $f = new_from_file cf::object::thawer $self->{load_path};	2241	my $f = new_from_file cf::object::thawer $self->{load_path};
2082	$f->skip_block;	2242	$f->skip_block;
2083	$self->_load_objects ($f)	2243	$self->_load_objects ($f)
2084	or return;	2244	or return;
2085		2245
2086	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2246	$self->post_load_original
2087	if delete $self->{load_original};	2247	if delete $self->{load_original};
2088		2248
2089	if (my $uniq = $self->uniq_path) {	2249	if (my $uniq = $self->uniq_path) {
2090	utf8::encode $uniq;	2250	utf8::encode $uniq;
2091	unless (aio_stat $uniq) {	2251	unless (aio_stat $uniq) {
2092	if (my $f = new_from_file cf::object::thawer $uniq) {	2252	if (my $f = new_from_file cf::object::thawer $uniq) {
2093	$self->clear_unique_items;	2253	$self->clear_unique_items;
2094	$self->_load_objects ($f);	2254	$self->_load_objects ($f);
2095	$f->resolve_delayed_derefs;	2255	$f->resolve_delayed_derefs;
		2256	}
2096	}	2257	}
2097	}	2258	}
2098	}
2099		2259
2100	$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);
2101		2267
2102	cf::cede_to_tick;	2268	cf::cede_to_tick;
2103	# now do the right thing for maps	2269	# now do the right thing for maps
2104	$self->link_multipart_objects;	2270	$self->link_multipart_objects;
2105	$self->difficulty ($self->estimate_difficulty)	2271	$self->difficulty ($self->estimate_difficulty)
…		…
2109	unless ($self->{deny_activate}) {	2275	unless ($self->{deny_activate}) {
2110	$self->decay_objects;	2276	$self->decay_objects;
2111	$self->fix_auto_apply;	2277	$self->fix_auto_apply;
2112	$self->update_buttons;	2278	$self->update_buttons;
2113	cf::cede_to_tick;	2279	cf::cede_to_tick;
2114	$self->set_darkness_map;	2280	#$self->activate; # no longer activate maps automatically
2115	cf::cede_to_tick;
2116	$self->activate;
2117	}	2281	}
2118		2282
2119	$self->{last_save} = $cf::RUNTIME;	2283	$self->{last_save} = $cf::RUNTIME;
2120	$self->last_access ($cf::RUNTIME);	2284	$self->last_access ($cf::RUNTIME);
2121
2122	$self->in_memory (cf::MAP_ACTIVE);
2123	}	2285	}
2124		2286
2125	$self->post_load;	2287	$self->post_load;
2126	}
2127		2288
		2289	1
		2290	}
		2291
		2292	# customize the map for a given player, i.e.
		2293	# return the _real_ map. used by e.g. per-player
		2294	# maps to change the path to ~playername/mappath
2128	sub customise_for {	2295	sub customise_for {
2129	my ($self, $ob) = @_;	2296	my ($self, $ob) = @_;
2130		2297
2131	return find "~" . $ob->name . "/" . $self->{path}	2298	return find "~" . $ob->name . "/" . $self->{path}
2132	if $self->per_player;	2299	if $self->per_player;
…		…
2135	# if $self->per_party;	2302	# if $self->per_party;
2136		2303
2137	$self	2304	$self
2138	}	2305	}
2139		2306
2140	# find and load all maps in the 3x3 area around a map
2141	sub load_neighbours {
2142	my ($map) = @_;
2143
2144	my @neigh; # diagonal neighbours
2145
2146	for (0 .. 3) {
2147	my $neigh = $map->tile_path ($_)
2148	or next;
2149	$neigh = find $neigh, $map
2150	or next;
2151	$neigh->load;
2152
2153	push @neigh,
2154	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2155	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2156	}
2157
2158	for (grep defined $_->[0], @neigh) {
2159	my ($path, $origin) = @$_;
2160	my $neigh = find $path, $origin
2161	or next;
2162	$neigh->load;
2163	}
2164	}
2165
2166	sub find_sync {	2307	sub find_sync {
2167	my ($path, $origin) = @_;	2308	my ($path, $origin) = @_;
2168		2309
2169	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, $origin
2170	}	2315	}
2171		2316
2172	sub do_load_sync {	2317	sub do_load_sync {
2173	my ($map) = @_;	2318	my ($map) = @_;
2174		2319
		2320	# it's a bug to call this from the main context
2175	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2321	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2176	if $Coro::current == $Coro::main;	2322	if $Coro::current == $Coro::main;
2177		2323
2178	cf::sync_job { $map->load };	2324	$map->load;
2179	}	2325	}
2180		2326
2181	our %MAP_PREFETCH;	2327	our %MAP_PREFETCH;
2182	our $MAP_PREFETCHER = undef;	2328	our $MAP_PREFETCHER = undef;
2183		2329
2184	sub find_async {	2330	sub find_async {
2185	my ($path, $origin, $load) = @_;	2331	my ($path, $origin, $load) = @_;
2186		2332
2187	$path = normalise $path, $origin && $origin->{path};	2333	$path = normalise $path, $origin;
2188		2334
2189	if (my $map = $cf::MAP{$path}) {	2335	if (my $map = $cf::MAP{$path}) {
2190	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;	2336	return $map if !$load || $map->linkable;
2191	}	2337	}
2192		2338
2193	$MAP_PREFETCH{$path} |= $load;	2339	$MAP_PREFETCH{$path} |= $load;
2194		2340
2195	$MAP_PREFETCHER ||= cf::async {	2341	$MAP_PREFETCHER ||= cf::async {
…		…
2209	$MAP_PREFETCHER->prio (6);	2355	$MAP_PREFETCHER->prio (6);
2210		2356
2211	()	2357	()
2212	}	2358	}
2213		2359
		2360	# common code, used by both ->save and ->swapout
2214	sub save {	2361	sub _save {
2215	my ($self) = @_;	2362	my ($self) = @_;
2216
2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
2218		2363
2219	$self->{last_save} = $cf::RUNTIME;	2364	$self->{last_save} = $cf::RUNTIME;
2220		2365
2221	return unless $self->dirty;	2366	return unless $self->dirty;
2222		2367
…		…
2242	} else {	2387	} else {
2243	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2388	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2244	}	2389	}
2245	}	2390	}
2246		2391
		2392	sub save {
		2393	my ($self) = @_;
		2394
		2395	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2396
		2397	$self->_save;
		2398	}
		2399
2247	sub swap_out {	2400	sub swap_out {
2248	my ($self) = @_;	2401	my ($self) = @_;
2249		2402
2250	# save first because save cedes
2251	$self->save;
2252
2253	my $lock = cf::lock_acquire "map_data:$self->{path}";	2403	my $lock = cf::lock_acquire "map_data:$self->{path}";
2254		2404
		2405	return if !$self->linkable;
		2406	return if $self->{deny_save};
2255	return if $self->players;	2407	return if $self->players;
2256	return if $self->in_memory != cf::MAP_ACTIVE;	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
2257	return if $self->{deny_save};	2425	return 1e99 if $self->{deny_reset};
2258		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
2259	$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};
2260		2459
2261	$self->deactivate;	2460	$self->deactivate;
2262	$_->clear_links_to ($self) for values %cf::MAP;	2461	$_->clear_links_to ($self) for values %cf::MAP;
2263	$self->clear;	2462	$self->clear;
2264	}
2265
2266	sub reset_at {
2267	my ($self) = @_;
2268
2269	# TODO: safety, remove and allow resettable per-player maps
2270	return 1e99 if $self->{deny_reset};
2271
2272	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2273	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2274
2275	$time + $to
2276	}
2277
2278	sub should_reset {
2279	my ($self) = @_;
2280
2281	$self->reset_at <= $cf::RUNTIME
2282	}
2283
2284	sub reset {
2285	my ($self) = @_;
2286
2287	my $lock = cf::lock_acquire "map_data:$self->{path}";
2288
2289	return if $self->players;
2290
2291	warn "resetting map ", $self->path;
2292
2293	$self->in_memory (cf::MAP_SWAPPED);
2294
2295	# need to save uniques path
2296	unless ($self->{deny_save}) {
2297	my $uniq = $self->uniq_path; utf8::encode $uniq;
2298
2299	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2300	if $uniq;
2301	}
2302
2303	delete $cf::MAP{$self->path};
2304
2305	$self->deactivate;
2306	$_->clear_links_to ($self) for values %cf::MAP;
2307	$self->clear;
2308		2463
2309	$self->unlink_save;	2464	$self->unlink_save;
2310	$self->destroy;	2465	$self->destroy;
2311	}	2466	}
2312		2467
…		…
2320		2475
2321	delete $cf::MAP{$self->path};	2476	delete $cf::MAP{$self->path};
2322		2477
2323	$self->unlink_save;	2478	$self->unlink_save;
2324		2479
2325	bless $self, "cf::map";	2480	bless $self, "cf::map::wrap";
2326	delete $self->{deny_reset};	2481	delete $self->{deny_reset};
2327	$self->{deny_save} = 1;	2482	$self->{deny_save} = 1;
2328	$self->reset_timeout (1);	2483	$self->reset_timeout (1);
2329	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2484	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2330		2485
…		…
2387	: normalise $_	2542	: normalise $_
2388	} @{ aio_readdir $UNIQUEDIR or [] }	2543	} @{ aio_readdir $UNIQUEDIR or [] }
2389	]	2544	]
2390	}	2545	}
2391		2546
		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	}
		2578
2392	=back	2579	=back
2393		2580
2394	=head3 cf::object	2581	=head3 cf::object
2395		2582
2396	=cut	2583	=cut
…		…
2457	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
2458	dialogue with the given NPC character.	2645	dialogue with the given NPC character.
2459		2646
2460	=cut	2647	=cut
2461		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
2462	# rough implementation of a future "reply" method that works	2663	# rough implementation of a future "reply" method that works
2463	# with dialog boxes.	2664	# with dialog boxes.
2464	#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
2465	sub cf::object::player::reply($$$;$) {	2666	sub cf::object::player::reply($$$;$) {
2466	my ($self, $npc, $msg, $flags) = @_;	2667	my ($self, $npc, $msg, $flags) = @_;
…		…
2477	my $dialog = $pl->{npc_dialog};	2678	my $dialog = $pl->{npc_dialog};
2478	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2679	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2479		2680
2480	} else {	2681	} else {
2481	$msg = $npc->name . " says: $msg" if $npc;	2682	$msg = $npc->name . " says: $msg" if $npc;
2482	$self->message ($msg, $flags);	2683	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2483	}	2684	}
2484	}	2685	}
2485	}	2686	}
2486		2687
2487	=item $object->send_msg ($channel, $msg, $color, [extra...])	2688	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2512		2713
2513	=item $player_object->enter_link	2714	=item $player_object->enter_link
2514		2715
2515	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}>).
2516		2717
2517	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.
2518	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.
2519		2722
2520	Will never block.	2723	Will never block.
2521		2724
2522	=item $player_object->leave_link ($map, $x, $y)	2725	=item $player_object->leave_link ($map, $x, $y)
2523		2726
…		…
2543	sub cf::object::player::enter_link {	2746	sub cf::object::player::enter_link {
2544	my ($self) = @_;	2747	my ($self) = @_;
2545		2748
2546	$self->deactivate_recursive;	2749	$self->deactivate_recursive;
2547		2750
		2751	++$self->{_link_recursion};
		2752
2548	return if UNIVERSAL::isa $self->map, "ext::map_link";	2753	return if UNIVERSAL::isa $self->map, "ext::map_link";
2549		2754
2550	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2755	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2551	if $self->map && $self->map->{path} ne "{link}";	2756	if $self->map && $self->map->{path} ne "{link}";
2552		2757
2553	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2758	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2554	}	2759	}
2555		2760
2556	sub cf::object::player::leave_link {	2761	sub cf::object::player::leave_link {
2557	my ($self, $map, $x, $y) = @_;	2762	my ($self, $map, $x, $y) = @_;
2558		2763
…		…
2575	($x, $y) = (-1, -1)	2780	($x, $y) = (-1, -1)
2576	unless (defined $x) && (defined $y);	2781	unless (defined $x) && (defined $y);
2577		2782
2578	# use -1 or undef as default coordinates, not 0, 0	2783	# use -1 or undef as default coordinates, not 0, 0
2579	($x, $y) = ($map->enter_x, $map->enter_y)	2784	($x, $y) = ($map->enter_x, $map->enter_y)
2580	if $x <=0 && $y <= 0;	2785	if $x <= 0 && $y <= 0;
2581		2786
2582	$map->load;	2787	$map->load;
2583	$map->load_neighbours;
2584		2788
2585	return unless $self->contr->active;	2789	return unless $self->contr->active;
2586	$self->activate_recursive;
2587		2790
2588	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2791	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2589	$self->enter_map ($map, $x, $y);	2792	if ($self->enter_map ($map, $x, $y)) {
2590	}	2793	# entering was successful
		2794	delete $self->{_link_recursion};
		2795	# only activate afterwards, to support waiting in hooks
		2796	$self->activate_recursive;
		2797	}
2591		2798
		2799	}
		2800
2592	=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)]])
2593		2802
2594	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
2595	her, loading and preparing them map, calling the provided $check callback	2804	her, loading and preparing them map, calling the provided $check callback
2596	that has to return the map if sucecssful, and then unfreezes the player on	2805	that has to return the map if sucecssful, and then unfreezes the player on
2597	the new (success) or old (failed) map position. In either case, $done will	2806	the new (success) or old (failed) map position. In either case, $done will
2598	be called at the end of this process.	2807	be called at the end of this process.
2599		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
2600	=cut	2812	=cut
2601		2813
2602	our $GOTOGEN;	2814	our $GOTOGEN;
2603		2815
2604	sub cf::object::player::goto {	2816	sub cf::object::player::goto {
2605	my ($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	}
2606		2824
2607	# 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
2608	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2826	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2609		2827
2610	$self->enter_link;	2828	$self->enter_link;
…		…
2630	($path, $x, $y) = (undef, undef, undef);	2848	($path, $x, $y) = (undef, undef, undef);
2631	}	2849	}
2632	}	2850	}
2633		2851
2634	my $map = eval {	2852	my $map = eval {
2635	my $map = defined $path ? cf::map::find $path : undef;	2853	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2636		2854
2637	if ($map) {	2855	if ($map) {
2638	$map = $map->customise_for ($self);	2856	$map = $map->customise_for ($self);
2639	$map = $check->($map) if $check && $map;	2857	$map = $check->($map, $x, $y, $self) if $check && $map;
2640	} else {	2858	} else {
2641	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2859	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2642	}	2860	}
2643		2861
2644	$map	2862	$map
…		…
2652	if ($gen == $self->{_goto_generation}) {	2870	if ($gen == $self->{_goto_generation}) {
2653	delete $self->{_goto_generation};	2871	delete $self->{_goto_generation};
2654	$self->leave_link ($map, $x, $y);	2872	$self->leave_link ($map, $x, $y);
2655	}	2873	}
2656		2874
2657	$done->() if $done;	2875	$done->($self) if $done;
2658	})->prio (1);	2876	})->prio (1);
2659	}	2877	}
2660		2878
2661	=item $player_object->enter_exit ($exit_object)	2879	=item $player_object->enter_exit ($exit_object)
2662		2880
…		…
2682	}	2900	}
2683		2901
2684	sub prepare_random_map {	2902	sub prepare_random_map {
2685	my ($exit) = @_;	2903	my ($exit) = @_;
2686		2904
2687	my $guard = cf::lock_acquire "exit_prepare:$exit";
2688
2689	# all this does is basically replace the /! path by	2905	# all this does is basically replace the /! path by
2690	# a new random map path (?random/...) with a seed	2906	# a new random map path (?random/...) with a seed
2691	# that depends on the exit object	2907	# that depends on the exit object
2692		2908
2693	my $rmp = parse_random_map_params $exit->msg;	2909	my $rmp = parse_random_map_params $exit->msg;
…		…
2695	if ($exit->map) {	2911	if ($exit->map) {
2696	$rmp->{region} = $exit->region->name;	2912	$rmp->{region} = $exit->region->name;
2697	$rmp->{origin_map} = $exit->map->path;	2913	$rmp->{origin_map} = $exit->map->path;
2698	$rmp->{origin_x} = $exit->x;	2914	$rmp->{origin_x} = $exit->x;
2699	$rmp->{origin_y} = $exit->y;	2915	$rmp->{origin_y} = $exit->y;
		2916
		2917	$exit->map->touch;
2700	}	2918	}
2701		2919
2702	$rmp->{random_seed} ||= $exit->random_seed;	2920	$rmp->{random_seed} ||= $exit->random_seed;
2703		2921
2704	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);	2922	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
…		…
2708	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2926	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2709	aio_write $fh, 0, (length $data), $data, 0;	2927	aio_write $fh, 0, (length $data), $data, 0;
2710	undef $fh;	2928	undef $fh;
2711	aio_rename "$meta~", $meta;	2929	aio_rename "$meta~", $meta;
2712		2930
		2931	my $slaying = "?random/$md5";
		2932
		2933	if ($exit->valid) {
2713	$exit->slaying ("?random/$md5");	2934	$exit->slaying ("?random/$md5");
2714	$exit->msg (undef);	2935	$exit->msg (undef);
		2936	}
2715	}	2937	}
2716	}	2938	}
2717		2939
2718	sub cf::object::player::enter_exit {	2940	sub cf::object::player::enter_exit {
2719	my ($self, $exit) = @_;	2941	my ($self, $exit) = @_;
2720		2942
2721	return unless $self->type == cf::PLAYER;	2943	return unless $self->type == cf::PLAYER;
2722		2944
2723	if ($exit->slaying eq "/!") {
2724	#TODO: this should de-fi-ni-te-ly not be a sync-job
2725	# the problem is that $exit might not survive long enough
2726	# so it needs to be done right now, right here
2727	cf::sync_job { prepare_random_map $exit };
2728	}
2729
2730	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2731	my $hp = $exit->stats->hp;
2732	my $sp = $exit->stats->sp;
2733
2734	$self->enter_link;	2945	$self->enter_link;
2735		2946
2736	# if exit is damned, update players death & WoR home-position
2737	$self->contr->savebed ($slaying, $hp, $sp)
2738	if $exit->flag (FLAG_DAMNED);
2739
2740	(async {	2947	(async {
2741	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2948	$Coro::current->{desc} = "enter_exit";
2742		2949
2743	$self->deactivate_recursive; # just to be sure
2744	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
2745	$self->goto ($slaying, $hp, $sp);	2980	$self->goto ($map, $x, $y);
2746		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
2747	1;	2986	1
2748	}) {	2987	}) {
2749	$self->message ("Something went wrong deep within the crossfire server. "	2988	$self->message ("Something went wrong deep within the deliantra server. "
2750	. "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. "
2751	. "Please report this to the dungeon master!",	2990	. "Please report this to the dungeon master!",
2752	cf::NDI_UNIQUE | cf::NDI_RED);	2991	cf::NDI_UNIQUE | cf::NDI_RED);
2753		2992
2754	warn "ERROR in enter_exit: $@";	2993	error "ERROR in enter_exit: $@";
2755	$self->leave_link;	2994	$self->leave_link;
2756	}	2995	}
2757	})->prio (1);	2996	})->prio (1);
2758	}	2997	}
2759		2998
…		…
2771	sub cf::client::send_drawinfo {	3010	sub cf::client::send_drawinfo {
2772	my ($self, $text, $flags) = @_;	3011	my ($self, $text, $flags) = @_;
2773		3012
2774	utf8::encode $text;	3013	utf8::encode $text;
2775	$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);
2776	}	3040	}
2777		3041
2778	=item $client->send_msg ($channel, $msg, $color, [extra...])	3042	=item $client->send_msg ($channel, $msg, $color, [extra...])
2779		3043
2780	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
…		…
2784		3048
2785	=cut	3049	=cut
2786		3050
2787	# non-persistent channels (usually the info channel)	3051	# non-persistent channels (usually the info channel)
2788	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	},
2789	"c/identify" => {	3059	"c/identify" => {
2790	id => "infobox",	3060	id => "infobox",
2791	title => "Identify",	3061	title => "Identify",
2792	reply => undef,	3062	reply => undef,
2793	tooltip => "Items recently identified",	3063	tooltip => "Items recently identified",
…		…
2795	"c/examine" => {	3065	"c/examine" => {
2796	id => "infobox",	3066	id => "infobox",
2797	title => "Examine",	3067	title => "Examine",
2798	reply => undef,	3068	reply => undef,
2799	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",
2800	},	3076	},
2801	"c/book" => {	3077	"c/book" => {
2802	id => "infobox",	3078	id => "infobox",
2803	title => "Book",	3079	title => "Book",
2804	reply => undef,	3080	reply => undef,
…		…
2820	id => "infobox",	3096	id => "infobox",
2821	title => "Body Parts",	3097	title => "Body Parts",
2822	reply => undef,	3098	reply => undef,
2823	tooltip => "Shows which body parts you posess and are available",	3099	tooltip => "Shows which body parts you posess and are available",
2824	},	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	},
2825	"c/uptime" => {	3137	"c/uptime" => {
2826	id => "infobox",	3138	id => "infobox",
2827	title => "Uptime",	3139	title => "Uptime",
2828	reply => undef,	3140	reply => undef,
2829	tooltip => "How long the server has been running since last restart",	3141	tooltip => "How long the server has been running since last restart",
…		…
2832	id => "infobox",	3144	id => "infobox",
2833	title => "Map Info",	3145	title => "Map Info",
2834	reply => undef,	3146	reply => undef,
2835	tooltip => "Information related to the maps",	3147	tooltip => "Information related to the maps",
2836	},	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" => $CHAT_CHANNEL,
2837	);	3163	);
2838		3164
2839	sub cf::client::send_msg {	3165	sub cf::client::send_msg {
2840	my ($self, $channel, $msg, $color, @extra) = @_;	3166	my ($self, $channel, $msg, $color, @extra) = @_;
2841		3167
2842	$msg = $self->pl->expand_cfpod ($msg);	3168	$msg = $self->pl->expand_cfpod ($msg)
		3169	unless $color & cf::NDI_VERBATIM;
2843		3170
2844	$color &= cf::NDI_CLIENT_MASK; # just in case...	3171	$color &= cf::NDI_CLIENT_MASK; # just in case...
2845		3172
2846	# check predefined channels, for the benefit of C	3173	# check predefined channels, for the benefit of C
2847	if ($CHANNEL{$channel}) {	3174	if ($CHANNEL{$channel}) {
2848	$channel = $CHANNEL{$channel};	3175	$channel = $CHANNEL{$channel};
2849		3176
2850	$self->ext_msg (channel_info => $channel)	3177	$self->ext_msg (channel_info => $channel);
2851	if $self->can_msg;
2852
2853	$channel = $channel->{id};	3178	$channel = $channel->{id};
2854		3179
2855	} elsif (ref $channel) {	3180	} elsif (ref $channel) {
2856	# send meta info to client, if not yet sent	3181	# send meta info to client, if not yet sent
2857	unless (exists $self->{channel}{$channel->{id}}) {	3182	unless (exists $self->{channel}{$channel->{id}}) {
2858	$self->{channel}{$channel->{id}} = $channel;	3183	$self->{channel}{$channel->{id}} = $channel;
2859	$self->ext_msg (channel_info => $channel)	3184	$self->ext_msg (channel_info => $channel);
2860	if $self->can_msg;
2861	}	3185	}
2862		3186
2863	$channel = $channel->{id};	3187	$channel = $channel->{id};
2864	}	3188	}
2865		3189
2866	return unless @extra || length $msg;	3190	return unless @extra || length $msg;
2867		3191
2868	if ($self->can_msg) {
2869	# default colour, mask it out	3192	# default colour, mask it out
2870	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3193	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2871	if $color & cf::NDI_DEF;	3194	if $color & cf::NDI_DEF;
2872		3195
2873	$self->send_packet ("msg " . $self->{json_coder}->encode (	3196	my $pkt = "msg "
		3197	. $self->{json_coder}->encode (
2874	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3198	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2875	} else {	3199	);
2876	if ($color >= 0) {
2877	# replace some tags by gcfclient-compatible ones
2878	for ($msg) {
2879	1 while
2880	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2881	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2882	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2883	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2884	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2885	}
2886		3200
2887	$color &= cf::NDI_COLOR_MASK;	3201	$self->send_big_packet ($pkt);
2888
2889	utf8::encode $msg;
2890
2891	if (0 && $msg =~ /\[/) {
2892	# COMMAND/INFO
2893	$self->send_packet ("drawextinfo $color 10 8 $msg")
2894	} else {
2895	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2896	$self->send_packet ("drawinfo $color $msg")
2897	}
2898	}
2899	}
2900	}	3202	}
2901		3203
2902	=item $client->ext_msg ($type, @msg)	3204	=item $client->ext_msg ($type, @msg)
2903		3205
2904	Sends an ext event to the client.	3206	Sends an ext event to the client.
…		…
2907		3209
2908	sub cf::client::ext_msg($$@) {	3210	sub cf::client::ext_msg($$@) {
2909	my ($self, $type, @msg) = @_;	3211	my ($self, $type, @msg) = @_;
2910		3212
2911	if ($self->extcmd == 2) {	3213	if ($self->extcmd == 2) {
2912	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3214	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2913	} elsif ($self->extcmd == 1) { # TODO: remove	3215	} elsif ($self->extcmd == 1) { # TODO: remove
2914	push @msg, msgtype => "event_$type";	3216	push @msg, msgtype => "event_$type";
2915	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3217	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2916	}	3218	}
2917	}	3219	}
2918		3220
2919	=item $client->ext_reply ($msgid, @msg)	3221	=item $client->ext_reply ($msgid, @msg)
2920		3222
…		…
2923	=cut	3225	=cut
2924		3226
2925	sub cf::client::ext_reply($$@) {	3227	sub cf::client::ext_reply($$@) {
2926	my ($self, $id, @msg) = @_;	3228	my ($self, $id, @msg) = @_;
2927		3229
2928	if ($self->extcmd == 2) {	3230	return unless $self->extcmd == 2;
		3231
2929	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3232	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2930	} elsif ($self->extcmd == 1) {
2931	#TODO: version 1, remove
2932	unshift @msg, msgtype => "reply", msgid => $id;
2933	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2934	}
2935	}	3233	}
2936		3234
2937	=item $success = $client->query ($flags, "text", \&cb)	3235	=item $success = $client->query ($flags, "text", \&cb)
2938		3236
2939	Queues a query to the client, calling the given callback with	3237	Queues a query to the client, calling the given callback with
…		…
2994	my ($ns, $buf) = @_;	3292	my ($ns, $buf) = @_;
2995		3293
2996	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3294	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2997		3295
2998	if (ref $msg) {	3296	if (ref $msg) {
2999	my ($type, $reply, @payload) =	3297	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
3000	"ARRAY" eq ref $msg
3001	? @$msg
3002	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3003		3298
3004	my @reply;	3299	my @reply;
3005		3300
3006	if (my $cb = $EXTICMD{$type}) {	3301	if (my $cb = $EXTICMD{$type}) {
3007	@reply = $cb->($ns, @payload);	3302	@reply = $cb->($ns, @payload);
…		…
3009		3304
3010	$ns->ext_reply ($reply, @reply)	3305	$ns->ext_reply ($reply, @reply)
3011	if $reply;	3306	if $reply;
3012		3307
3013	} else {	3308	} else {
3014	warn "client " . ($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";
3015	}	3310	}
3016		3311
3017	cf::override;	3312	cf::override;
3018	},	3313	},
3019	);	3314	);
…		…
3039		3334
3040	$coro	3335	$coro
3041	}	3336	}
3042		3337
3043	cf::client->attach (	3338	cf::client->attach (
3044	on_destroy => sub {	3339	on_client_destroy => sub {
3045	my ($ns) = @_;	3340	my ($ns) = @_;
3046		3341
3047	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3342	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3048	},	3343	},
3049	);	3344	);
…		…
3065	our $safe_hole = new Safe::Hole;	3360	our $safe_hole = new Safe::Hole;
3066		3361
3067	$SIG{FPE} = 'IGNORE';	3362	$SIG{FPE} = 'IGNORE';
3068		3363
3069	$safe->permit_only (Opcode::opset qw(	3364	$safe->permit_only (Opcode::opset qw(
3070	:base_core :base_mem :base_orig :base_math	3365	:base_core :base_mem :base_orig :base_math :base_loop
3071	grepstart grepwhile mapstart mapwhile	3366	grepstart grepwhile mapstart mapwhile
3072	sort time	3367	sort time
3073	));	3368	));
3074		3369
3075	# here we export the classes and methods available to script code	3370	# here we export the classes and methods available to script code
…		…
3078		3373
3079	The following functions and methods are available within a safe environment:	3374	The following functions and methods are available within a safe environment:
3080		3375
3081	cf::object	3376	cf::object
3082	contr pay_amount pay_player map x y force_find force_add destroy	3377	contr pay_amount pay_player map x y force_find force_add destroy
3083	insert remove name archname title slaying race decrease_ob_nr	3378	insert remove name archname title slaying race decrease split
		3379	value
3084		3380
3085	cf::object::player	3381	cf::object::player
3086	player	3382	player
3087		3383
3088	cf::player	3384	cf::player
…		…
3093		3389
3094	=cut	3390	=cut
3095		3391
3096	for (	3392	for (
3097	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3393	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3098	insert remove inv name archname title slaying race	3394	insert remove inv nrof name archname title slaying race
3099	decrease_ob_nr destroy)],	3395	decrease split destroy change_exp value msg lore send_msg)],
3100	["cf::object::player" => qw(player)],	3396	["cf::object::player" => qw(player)],
3101	["cf::player" => qw(peaceful)],	3397	["cf::player" => qw(peaceful send_msg)],
3102	["cf::map" => qw(trigger)],	3398	["cf::map" => qw(trigger)],
3103	) {	3399	) {
3104	no strict 'refs';
3105	my ($pkg, @funs) = @$_;	3400	my ($pkg, @funs) = @$_;
3106	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3401	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3107	for @funs;	3402	for @funs;
3108	}	3403	}
3109		3404
…		…
3124		3419
3125	my $qcode = $code;	3420	my $qcode = $code;
3126	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3421	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3127	$qcode =~ s/\n/\\n/g;	3422	$qcode =~ s/\n/\\n/g;
3128		3423
		3424	%vars = (_dummy => 0) unless %vars;
		3425
		3426	my @res;
3129	local $_;	3427	local $_;
3130	local @safe::cf::_safe_eval_args = values %vars;
3131		3428
3132	my $eval =	3429	my $eval =
3133	"do {\n"	3430	"do {\n"
3134	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3431	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3135	. "#line 0 \"{$qcode}\"\n"	3432	. "#line 0 \"{$qcode}\"\n"
3136	. $code	3433	. $code
3137	. "\n}"	3434	. "\n}"
3138	;	3435	;
3139		3436
		3437	if ($CFG{safe_eval}) {
3140	sub_generation_inc;	3438	sub_generation_inc;
		3439	local @safe::cf::_safe_eval_args = values %vars;
3141	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3440	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3142	sub_generation_inc;	3441	sub_generation_inc;
		3442	} else {
		3443	local @cf::_safe_eval_args = values %vars;
		3444	@res = wantarray ? eval eval : scalar eval $eval;
		3445	}
3143		3446
3144	if ($@) {	3447	if ($@) {
3145	warn "$@";	3448	warn "$@",
3146	warn "while executing safe code '$code'\n";	3449	"while executing safe code '$code'\n",
3147	warn "with arguments " . (join " ", %vars) . "\n";	3450	"with arguments " . (join " ", %vars) . "\n";
3148	}	3451	}
3149		3452
3150	wantarray ? @res : $res[0]	3453	wantarray ? @res : $res[0]
3151	}	3454	}
3152		3455
…		…
3166	=cut	3469	=cut
3167		3470
3168	sub register_script_function {	3471	sub register_script_function {
3169	my ($fun, $cb) = @_;	3472	my ($fun, $cb) = @_;
3170		3473
3171	no strict 'refs';	3474	$fun = "safe::$fun" if $CFG{safe_eval};
3172	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3475	*$fun = $safe_hole->wrap ($cb);
3173	}	3476	}
3174		3477
3175	=back	3478	=back
3176		3479
3177	=cut	3480	=cut
…		…
3186	# for this (global event?)	3489	# for this (global event?)
3187	%ext::player_env::MUSIC_FACE_CACHE = ();	3490	%ext::player_env::MUSIC_FACE_CACHE = ();
3188		3491
3189	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3492	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3190		3493
3191	warn "loading facedata from $path\n";	3494	trace "loading facedata from $path\n";
3192		3495
3193	my $facedata;	3496	my $facedata = decode_storable load_file $path;
3194	0 < aio_load $path, $facedata
3195	or die "$path: $!";
3196
3197	$facedata = Coro::Storable::thaw $facedata;
3198		3497
3199	$facedata->{version} == 2	3498	$facedata->{version} == 2
3200	or cf::cleanup "$path: version mismatch, cannot proceed.";	3499	or cf::cleanup "$path: version mismatch, cannot proceed.";
3201		3500
3202	# 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]);
3203	$facedata->{resource}{"res/exp_table"} = {	3503	$facedata->{resource}{"res/exp_table"} = {
3204	type => FT_RSRC,	3504	type => FT_RSRC,
3205	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),
3206	};	3507	};
3207	cf::cede_to_tick;	3508	cf::cede_to_tick;
3208		3509
3209	{	3510	{
3210	my $faces = $facedata->{faceinfo};	3511	my $faces = $facedata->{faceinfo};
…		…
3212	while (my ($face, $info) = each %$faces) {	3513	while (my ($face, $info) = each %$faces) {
3213	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3514	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3214		3515
3215	cf::face::set_visibility $idx, $info->{visibility};	3516	cf::face::set_visibility $idx, $info->{visibility};
3216	cf::face::set_magicmap $idx, $info->{magicmap};	3517	cf::face::set_magicmap $idx, $info->{magicmap};
3217	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3518	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3218	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} , $info->{glyph} ;
3219		3521
3220	cf::cede_to_tick;	3522	cf::cede_to_tick;
3221	}	3523	}
3222		3524
3223	while (my ($face, $info) = each %$faces) {	3525	while (my ($face, $info) = each %$faces) {
…		…
3228		3530
3229	if (my $smooth = cf::face::find $info->{smooth}) {	3531	if (my $smooth = cf::face::find $info->{smooth}) {
3230	cf::face::set_smooth $idx, $smooth;	3532	cf::face::set_smooth $idx, $smooth;
3231	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3533	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3232	} else {	3534	} else {
3233	warn "smooth face '$info->{smooth}' not found for face '$face'";	3535	error "smooth face '$info->{smooth}' not found for face '$face'";
3234	}	3536	}
3235		3537
3236	cf::cede_to_tick;	3538	cf::cede_to_tick;
3237	}	3539	}
3238	}	3540	}
…		…
3247		3549
3248	cf::anim::invalidate_all; # d'oh	3550	cf::anim::invalidate_all; # d'oh
3249	}	3551	}
3250		3552
3251	{	3553	{
3252	# TODO: for gcfclient pleasure, we should give resources
3253	# that gcfclient doesn't grok a >10000 face index.
3254	my $res = $facedata->{resource};	3554	my $res = $facedata->{resource};
3255		3555
3256	while (my ($name, $info) = each %$res) {	3556	while (my ($name, $info) = each %$res) {
3257	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
3258	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3559	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3259	my $data;
3260		3560
3261	if ($info->{type} & 1) {	3561	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3262	# prepend meta info
3263
3264	my $meta = $enc->encode ({
3265	name => $name,
3266	%{ $info->{meta} || {} },
3267	});
3268
3269	$data = pack "(w/a*)*", $meta, $info->{data};
3270	} else {
3271	$data = $info->{data};
3272	}
3273
3274	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3275	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
3276	} else {	3564	} else {
3277	$RESOURCE{$name} = $info;	3565	# $RESOURCE{$name} = $info; # unused
3278	}	3566	}
3279		3567
3280	cf::cede_to_tick;	3568	cf::cede_to_tick;
3281	}	3569	}
3282	}	3570	}
3283		3571
3284	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3572	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3285		3573
3286	1	3574	1
3287	}	3575	}
3288
3289	cf::global->attach (on_resource_update => sub {
3290	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3291	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3292
3293	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3294	my $sound = $soundconf->{compat}[$_]
3295	or next;
3296
3297	my $face = cf::face::find "sound/$sound->[1]";
3298	cf::sound::set $sound->[0] => $face;
3299	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3300	}
3301
3302	while (my ($k, $v) = each %{$soundconf->{event}}) {
3303	my $face = cf::face::find "sound/$v";
3304	cf::sound::set $k => $face;
3305	}
3306	}
3307	});
3308		3576
3309	register_exticmd fx_want => sub {	3577	register_exticmd fx_want => sub {
3310	my ($ns, $want) = @_;	3578	my ($ns, $want) = @_;
3311		3579
3312	while (my ($k, $v) = each %$want) {	3580	while (my ($k, $v) = each %$want) {
3313	$ns->fx_want ($k, $v);	3581	$ns->fx_want ($k, $v);
3314	}	3582	}
3315	};	3583	};
		3584
		3585	sub load_resource_file($) {
		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	$status
		3593	}
3316		3594
3317	sub reload_regions {	3595	sub reload_regions {
3318	# HACK to clear player env face cache, we need some signal framework	3596	# HACK to clear player env face cache, we need some signal framework
3319	# for this (global event?)	3597	# for this (global event?)
3320	%ext::player_env::MUSIC_FACE_CACHE = ();	3598	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3334	}	3612	}
3335		3613
3336	sub reload_archetypes {	3614	sub reload_archetypes {
3337	load_resource_file "$DATADIR/archetypes"	3615	load_resource_file "$DATADIR/archetypes"
3338	or die "unable to load archetypes\n";	3616	or die "unable to load archetypes\n";
3339	#d# NEED to laod twice to resolve forward references
3340	# this really needs to be done in an extra post-pass
3341	# (which needs to be synchronous, so solve it differently)
3342	load_resource_file "$DATADIR/archetypes"
3343	or die "unable to load archetypes\n";
3344	}	3617	}
3345		3618
3346	sub reload_treasures {	3619	sub reload_treasures {
3347	load_resource_file "$DATADIR/treasures"	3620	load_resource_file "$DATADIR/treasures"
3348	or die "unable to load treasurelists\n";	3621	or die "unable to load treasurelists\n";
3349	}	3622	}
3350		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
3351	sub reload_resources {	3644	sub reload_resources {
3352	warn "reloading resource files...\n";	3645	trace "reloading resource files...\n";
3353		3646
		3647	reload_exp_table;
		3648	reload_materials;
		3649	reload_facedata;
		3650	reload_sound;
		3651	reload_archetypes;
3354	reload_regions;	3652	reload_regions;
3355	reload_facedata;
3356	#reload_archetypes;#d#
3357	reload_archetypes;
3358	reload_treasures;	3653	reload_treasures;
3359		3654
3360	warn "finished reloading resource files\n";	3655	trace "finished reloading resource files\n";
3361	}
3362
3363	sub init {
3364	reload_resources;
3365	}	3656	}
3366		3657
3367	sub reload_config {	3658	sub reload_config {
3368	open my $fh, "<:utf8", "$CONFDIR/config"	3659	trace "reloading config file...\n";
3369	or return;
3370		3660
3371	local $/;	3661	my $config = load_file "$CONFDIR/config";
3372	*CFG = YAML::Load <$fh>;	3662	utf8::decode $config;
		3663	*CFG = decode_yaml $config;
3373		3664
3374	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3665	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3375		3666
3376	$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};
3377	$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};
3378		3669
3379	if (exists $CFG{mlockall}) {	3670	if (exists $CFG{mlockall}) {
…		…
3383	};	3674	};
3384	warn $@ if $@;	3675	warn $@ if $@;
3385	}	3676	}
3386	}	3677	}
3387		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
3388	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
3389	# we must not ever block the main coroutine	3717	# we must not ever block the main coroutine
3390	local $Coro::idle = sub {	3718	local $Coro::idle = sub {
3391	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#
3392	(async {	3720	(async {
3393	$Coro::current->{desc} = "IDLE BUG HANDLER";	3721	$Coro::current->{desc} = "IDLE BUG HANDLER";
3394	EV::loop EV::LOOP_ONESHOT;	3722	EV::loop EV::LOOP_ONESHOT;
3395	})->prio (Coro::PRIO_MAX);	3723	})->prio (Coro::PRIO_MAX);
3396	};	3724	};
3397		3725
3398	reload_config;
3399	db_init;
3400	load_extensions;
3401
3402	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3403	evthread_start IO::AIO::poll_fileno;	3726	evthread_start IO::AIO::poll_fileno;
3404	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;
3405	}	3768	}
3406		3769
3407	#############################################################################	3770	#############################################################################
3408	# initialisation and cleanup	3771	# initialisation and cleanup
3409		3772
3410	# install some emergency cleanup handlers	3773	# install some emergency cleanup handlers
3411	BEGIN {	3774	BEGIN {
3412	our %SIGWATCHER = ();	3775	our %SIGWATCHER = ();
3413	for my $signal (qw(INT HUP TERM)) {	3776	for my $signal (qw(INT HUP TERM)) {
3414	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3777	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3415	cf::cleanup "SIG$signal";	3778	cf::cleanup "SIG$signal";
3416	};	3779	};
3417	}	3780	}
3418	}	3781	}
3419		3782
3420	sub write_runtime_sync {	3783	sub write_runtime_sync {
3421	my $runtime = "$LOCALDIR/runtime";	3784	my $t0 = AE::time;
3422		3785
3423	# first touch the runtime file to show we are still running:	3786	# first touch the runtime file to show we are still running:
3424	# the fsync below can take a very very long time.	3787	# the fsync below can take a very very long time.
3425		3788
3426	IO::AIO::aio_utime $runtime, undef, undef;	3789	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3427		3790
3428	my $guard = cf::lock_acquire "write_runtime";	3791	my $guard = cf::lock_acquire "write_runtime";
3429		3792
3430	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3793	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3431	or return;	3794	or return;
3432		3795
3433	my $value = $cf::RUNTIME + 90 + 10;	3796	my $value = $cf::RUNTIME + 90 + 10;
3434	# 10 is the runtime save interval, for a monotonic clock	3797	# 10 is the runtime save interval, for a monotonic clock
3435	# 60 allows for the watchdog to kill the server.	3798	# 60 allows for the watchdog to kill the server.
…		…
3445	aio_utime $fh, undef, undef;	3808	aio_utime $fh, undef, undef;
3446		3809
3447	close $fh	3810	close $fh
3448	or return;	3811	or return;
3449		3812
3450	aio_rename "$runtime~", $runtime	3813	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3451	and return;	3814	and return;
3452		3815
3453	warn "runtime file written.\n";	3816	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3454		3817
3455	1	3818	1
3456	}	3819	}
3457		3820
3458	our $uuid_lock;	3821	our $uuid_lock;
…		…
3467	my $uuid = "$LOCALDIR/uuid";	3830	my $uuid = "$LOCALDIR/uuid";
3468		3831
3469	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3832	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3470	or return;	3833	or return;
3471		3834
3472	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	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;
3473	$uuid_skip = 0;	3843	$uuid_skip = 0;
3474		3844
3475	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3845	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3476	and return;	3846	and return;
3477		3847
…		…
3483	or return;	3853	or return;
3484		3854
3485	aio_rename "$uuid~", $uuid	3855	aio_rename "$uuid~", $uuid
3486	and return;	3856	and return;
3487		3857
3488	warn "uuid file written ($value).\n";	3858	trace "uuid file written ($value).\n";
3489		3859
3490	1	3860	1
3491		3861
3492	}	3862	}
3493		3863
…		…
3499	}	3869	}
3500		3870
3501	sub emergency_save() {	3871	sub emergency_save() {
3502	my $freeze_guard = cf::freeze_mainloop;	3872	my $freeze_guard = cf::freeze_mainloop;
3503		3873
3504	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;
3505		3880
3506	cf::sync_job {	3881	cf::sync_job {
		3882	cf::write_runtime_sync; # external watchdog should not bark
		3883
3507	# use a peculiar iteration method to avoid tripping on perl	3884	# use a peculiar iteration method to avoid tripping on perl
3508	# refcount bugs in for. also avoids problems with players	3885	# refcount bugs in for. also avoids problems with players
3509	# and maps saved/destroyed asynchronously.	3886	# and maps saved/destroyed asynchronously.
3510	warn "begin emergency player save\n";	3887	info "emergency_perl_save: begin player save\n";
3511	for my $login (keys %cf::PLAYER) {	3888	for my $login (keys %cf::PLAYER) {
3512	my $pl = $cf::PLAYER{$login} or next;	3889	my $pl = $cf::PLAYER{$login} or next;
3513	$pl->valid or next;	3890	$pl->valid or next;
3514	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3891	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3515	$pl->save;	3892	$pl->save;
3516	}	3893	}
3517	warn "end emergency player save\n";	3894	info "emergency_perl_save: end player save\n";
3518		3895
3519	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";
3520	for my $path (keys %cf::MAP) {	3899	for my $path (keys %cf::MAP) {
3521	my $map = $cf::MAP{$path} or next;	3900	my $map = $cf::MAP{$path} or next;
3522	$map->valid or next;	3901	$map->valid or next;
3523	$map->save;	3902	$map->save;
3524	}	3903	}
3525	warn "end emergency map save\n";	3904	info "emergency_perl_save: end map save\n";
3526		3905
3527	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";
3528	BDB::db_env_txn_checkpoint $DB_ENV;	3909	BDB::db_env_txn_checkpoint $DB_ENV;
3529	warn "end emergency database checkpoint\n";	3910	info "emergency_perl_save: end database checkpoint\n";
3530		3911
3531	warn "begin write uuid\n";	3912	info "emergency_perl_save: begin write uuid\n";
3532	write_uuid_sync 1;	3913	write_uuid_sync 1;
3533	warn "end write uuid\n";	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
3534	};	3934	};
3535		3935
3536	warn "leave emergency perl save\n";	3936	info "emergency_perl_save: leave\n";
3537	}	3937	}
3538		3938
3539	sub post_cleanup {	3939	sub post_cleanup {
3540	my ($make_core) = @_;	3940	my ($make_core) = @_;
3541		3941
		3942	IO::AIO::flush;
		3943
3542	warn Carp::longmess "post_cleanup backtrace"	3944	error Carp::longmess "post_cleanup backtrace"
3543	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	}
3544	}	3974	}
3545		3975
3546	sub do_reload_perl() {	3976	sub do_reload_perl() {
3547	# can/must only be called in main	3977	# can/must only be called in main
3548	if ($Coro::current != $Coro::main) {	3978	unless (in_main) {
3549	warn "can only reload from main coroutine";	3979	error "can only reload from main coroutine";
3550	return;	3980	return;
3551	}	3981	}
3552		3982
3553	warn "reloading...";	3983	return if $RELOAD++;
3554		3984
3555	warn "entering sync_job";	3985	my $t1 = AE::time;
3556		3986
		3987	while ($RELOAD) {
		3988	cf::get_slot 0.1, -1, "reload_perl";
		3989	info "perl_reload: reloading...";
		3990
		3991	trace "perl_reload: entering sync_job";
		3992
3557	cf::sync_job {	3993	cf::sync_job {
3558	cf::write_runtime_sync; # external watchdog should not bark
3559	cf::emergency_save;	3994	#cf::emergency_save;
3560	cf::write_runtime_sync; # external watchdog should not bark
3561		3995
3562	warn "syncing database to disk";
3563	BDB::db_env_txn_checkpoint $DB_ENV;
3564
3565	# if anything goes wrong in here, we should simply crash as we already saved
3566
3567	warn "flushing outstanding aio requests";
3568	for (;;) {
3569	BDB::flush;
3570	IO::AIO::flush;
3571	Coro::cede_notself;
3572	last unless IO::AIO::nreqs || BDB::nreqs;
3573	warn "iterate...";
3574	}
3575
3576	++$RELOAD;
3577
3578	warn "cancelling all extension coros";	3996	trace "perl_reload: cancelling all extension coros";
3579	$_->cancel for values %EXT_CORO;	3997	$_->cancel for values %EXT_CORO;
3580	%EXT_CORO = ();	3998	%EXT_CORO = ();
3581		3999
3582	warn "removing commands";	4000	trace "perl_reload: removing commands";
3583	%COMMAND = ();	4001	%COMMAND = ();
3584		4002
3585	warn "removing ext/exti commands";	4003	trace "perl_reload: removing ext/exti commands";
3586	%EXTCMD = ();	4004	%EXTCMD = ();
3587	%EXTICMD = ();	4005	%EXTICMD = ();
3588		4006
3589	warn "unloading/nuking all extensions";	4007	trace "perl_reload: unloading/nuking all extensions";
3590	for my $pkg (@EXTS) {	4008	for my $pkg (@EXTS) {
3591	warn "... unloading $pkg";	4009	trace "... unloading $pkg";
3592		4010
3593	if (my $cb = $pkg->can ("unload")) {	4011	if (my $cb = $pkg->can ("unload")) {
3594	eval {	4012	eval {
3595	$cb->($pkg);	4013	$cb->($pkg);
3596	1	4014	1
3597	} 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;
3598	}	4020	}
3599		4021
3600	warn "... nuking $pkg";
3601	Symbol::delete_package $pkg;
3602	}
3603
3604	warn "unloading all perl modules loaded from $LIBDIR";	4022	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3605	while (my ($k, $v) = each %INC) {	4023	while (my ($k, $v) = each %INC) {
3606	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4024	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3607		4025
3608	warn "... unloading $k";	4026	trace "... unloading $k";
3609	delete $INC{$k};	4027	delete $INC{$k};
3610		4028
3611	$k =~ s/\.pm$//;	4029	$k =~ s/\.pm$//;
3612	$k =~ s/\//::/g;	4030	$k =~ s/\//::/g;
3613		4031
3614	if (my $cb = $k->can ("unload_module")) {	4032	if (my $cb = $k->can ("unload_module")) {
3615	$cb->();	4033	$cb->();
		4034	}
		4035
		4036	clear_package $k;
3616	}	4037	}
3617		4038
3618	Symbol::delete_package $k;
3619	}
3620
3621	warn "getting rid of safe::, as good as possible";	4039	trace "perl_reload: getting rid of safe::, as good as possible";
3622	Symbol::delete_package "safe::$_"	4040	clear_package "safe::$_"
3623	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);
3624		4042
3625	warn "unloading cf.pm \"a bit\"";	4043	trace "perl_reload: unloading cf.pm \"a bit\"";
3626	delete $INC{"cf.pm"};	4044	delete $INC{"cf.pm"};
3627	delete $INC{"cf/pod.pm"};	4045	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3628		4046
3629	# don't, removes xs symbols, too,	4047	# don't, removes xs symbols, too,
3630	# and global variables created in xs	4048	# and global variables created in xs
3631	#Symbol::delete_package __PACKAGE__;	4049	#clear_package __PACKAGE__;
3632		4050
3633	warn "unload completed, starting to reload now";	4051	info "perl_reload: unload completed, starting to reload now";
3634		4052
3635	warn "reloading cf.pm";	4053	trace "perl_reload: reloading cf.pm";
3636	require cf;	4054	require cf;
3637	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4055	cf::_connect_to_perl_1;
3638		4056
3639	warn "loading config and database again";	4057	trace "perl_reload: loading config and database again";
3640	cf::reload_config;	4058	cf::reload_config;
3641		4059
3642	warn "loading extensions";	4060	trace "perl_reload: loading extensions";
3643	cf::load_extensions;	4061	cf::load_extensions;
3644		4062
		4063	if ($REATTACH_ON_RELOAD) {
3645	warn "reattaching attachments to objects/players";	4064	trace "perl_reload: reattaching attachments to objects/players";
3646	_global_reattach; # objects, sockets	4065	_global_reattach; # objects, sockets
3647	warn "reattaching attachments to maps";	4066	trace "perl_reload: reattaching attachments to maps";
3648	reattach $_ for values %MAP;	4067	reattach $_ for values %MAP;
3649	warn "reattaching attachments to players";	4068	trace "perl_reload: reattaching attachments to players";
3650	reattach $_ for values %PLAYER;	4069	reattach $_ for values %PLAYER;
		4070	}
3651		4071
3652	warn "leaving sync_job";	4072	cf::_post_init 1;
3653		4073
		4074	trace "perl_reload: leaving sync_job";
		4075
3654	1	4076	1
3655	} or do {	4077	} or do {
3656	warn $@;	4078	error $@;
3657	cf::cleanup "error while reloading, exiting.";	4079	cf::cleanup "perl_reload: error, exiting.";
		4080	};
		4081
		4082	--$RELOAD;
3658	};	4083	}
3659		4084
3660	warn "reloaded";	4085	$t1 = AE::time - $t1;
		4086	info "perl_reload: completed in ${t1}s\n";
3661	};	4087	};
3662		4088
3663	our $RELOAD_WATCHER; # used only during reload	4089	our $RELOAD_WATCHER; # used only during reload
3664		4090
3665	sub reload_perl() {	4091	sub reload_perl() {
3666	# doing reload synchronously and two reloads happen back-to-back,	4092	# doing reload synchronously and two reloads happen back-to-back,
3667	# coro crashes during coro_state_free->destroy here.	4093	# coro crashes during coro_state_free->destroy here.
3668		4094
		4095	$RELOAD_WATCHER ||= cf::async {
		4096	Coro::AIO::aio_wait cache_extensions;
		4097
3669	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4098	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3670	do_reload_perl;	4099	do_reload_perl;
3671	undef $RELOAD_WATCHER;	4100	undef $RELOAD_WATCHER;
		4101	};
3672	};	4102	};
3673	}	4103	}
3674		4104
3675	register_command "reload" => sub {	4105	register_command "reload" => sub {
3676	my ($who, $arg) = @_;	4106	my ($who, $arg) = @_;
…		…
3682	reload_perl;	4112	reload_perl;
3683	};	4113	};
3684	}	4114	}
3685	};	4115	};
3686		4116
3687	unshift @INC, $LIBDIR;	4117	#############################################################################
3688		4118
3689	my $bug_warning = 0;	4119	my $bug_warning = 0;
3690		4120
3691	our @WAIT_FOR_TICK;
3692	our @WAIT_FOR_TICK_BEGIN;
3693
3694	sub wait_for_tick {	4121	sub wait_for_tick() {
3695	return if tick_inhibit;	4122	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3696	return if $Coro::current == $Coro::main;
3697		4123
3698	my $signal = new Coro::Signal;	4124	$WAIT_FOR_TICK->wait;
3699	push @WAIT_FOR_TICK, $signal;
3700	$signal->wait;
3701	}	4125	}
3702		4126
3703	sub wait_for_tick_begin {	4127	sub wait_for_tick_begin() {
3704	return if tick_inhibit;	4128	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3705	return if $Coro::current == $Coro::main;
3706		4129
3707	my $signal = new Coro::Signal;	4130	my $signal = new Coro::Signal;
3708	push @WAIT_FOR_TICK_BEGIN, $signal;	4131	push @WAIT_FOR_TICK_BEGIN, $signal;
3709	$signal->wait;	4132	$signal->wait;
3710	}	4133	}
…		…
3714	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4137	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3715	unless ++$bug_warning > 10;	4138	unless ++$bug_warning > 10;
3716	return;	4139	return;
3717	}	4140	}
3718		4141
3719	cf::server_tick; # one server iteration	4142	cf::one_tick; # one server iteration
		4143
		4144	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3720		4145
3721	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3722	$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.;
3723	Coro::async_pool {	4148	Coro::async_pool {
3724	$Coro::current->{desc} = "runtime saver";	4149	$Coro::current->{desc} = "runtime saver";
3725	write_runtime_sync	4150	write_runtime_sync
3726	or warn "ERROR: unable to write runtime file: $!";	4151	or error "ERROR: unable to write runtime file: $!";
3727	};	4152	};
3728	}	4153	}
3729		4154
3730	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4155	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3731	$sig->send;	4156	$sig->send;
3732	}	4157	}
3733	while (my $sig = shift @WAIT_FOR_TICK) {	4158	$WAIT_FOR_TICK->broadcast;
3734	$sig->send;
3735	}
3736		4159
3737	$LOAD = ($NOW - $TICK_START) / $TICK;	4160	$LOAD = ($NOW - $TICK_START) / $TICK;
3738	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4161	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3739		4162
3740	if (0) {	4163	if (0) {
3741	if ($NEXT_TICK) {	4164	if ($NEXT_TICK) {
3742	my $jitter = $TICK_START - $NEXT_TICK;	4165	my $jitter = $TICK_START - $NEXT_TICK;
3743	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4166	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3744	warn "jitter $JITTER\n";#d#	4167	debug "jitter $JITTER\n";#d#
3745	}	4168	}
3746	}	4169	}
3747	}	4170	}
3748		4171
3749	{	4172	{
3750	# configure BDB	4173	# configure BDB
3751		4174
3752	BDB::min_parallel 8;	4175	BDB::min_parallel 16;
3753	BDB::max_poll_reqs $TICK * 0.1;	4176	BDB::max_poll_reqs $TICK * 0.1;
3754	$Coro::BDB::WATCHER->priority (1);	4177	#$AnyEvent::BDB::WATCHER->priority (1);
3755		4178
3756	unless ($DB_ENV) {	4179	unless ($DB_ENV) {
3757	$DB_ENV = BDB::db_env_create;	4180	$DB_ENV = BDB::db_env_create;
3758	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4181	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3759	| 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;
3760	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4184	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3761	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4185	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3762		4186
3763	cf::sync_job {	4187	cf::sync_job {
3764	eval {	4188	eval {
…		…
3790	{	4214	{
3791	# configure IO::AIO	4215	# configure IO::AIO
3792		4216
3793	IO::AIO::min_parallel 8;	4217	IO::AIO::min_parallel 8;
3794	IO::AIO::max_poll_time $TICK * 0.1;	4218	IO::AIO::max_poll_time $TICK * 0.1;
3795	$Coro::AIO::WATCHER->priority (1);	4219	undef $AnyEvent::AIO::WATCHER;
3796	}	4220	}
3797		4221
3798	my $_log_backtrace;	4222	our $_log_backtrace;
		4223	our $_log_backtrace_last;
3799		4224
3800	sub _log_backtrace {	4225	sub _log_backtrace {
3801	my ($msg, @addr) = @_;	4226	my ($msg, @addr) = @_;
3802		4227
3803	$msg =~ s/\n//;	4228	$msg =~ s/\n$//;
3804		4229
		4230	if ($_log_backtrace_last eq $msg) {
		4231	LOG llevInfo, "[ABT] $msg\n";
		4232	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3805	# limit the # of concurrent backtraces	4233	# limit the # of concurrent backtraces
3806	if ($_log_backtrace < 2) {	4234	} elsif ($_log_backtrace < 2) {
		4235	$_log_backtrace_last = $msg;
3807	++$_log_backtrace;	4236	++$_log_backtrace;
		4237	my $perl_bt = Carp::longmess $msg;
3808	async {	4238	async {
3809	$Coro::current->{desc} = "abt $msg";	4239	$Coro::current->{desc} = "abt $msg";
3810		4240
3811	my @bt = fork_call {	4241	my @bt = fork_call {
3812	@addr = map { sprintf "%x", $_ } @addr;	4242	@addr = map { sprintf "%x", $_ } @addr;
…		…
3823	}	4253	}
3824		4254
3825	@funcs	4255	@funcs
3826	};	4256	};
3827		4257
3828	LOG llevInfo, "[ABT] $msg\n";	4258	LOG llevInfo, "[ABT] $perl_bt\n";
		4259	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3829	LOG llevInfo, "[ABT] $_\n" for @bt;	4260	LOG llevInfo, "[ABT] $_\n" for @bt;
3830	--$_log_backtrace;	4261	--$_log_backtrace;
3831	};	4262	};
3832	} else {	4263	} else {
3833	LOG llevInfo, "[ABT] $msg\n";	4264	LOG llevInfo, "[ABT] $msg\n";
3834	LOG llevInfo, "[ABT] [suppressed]\n";	4265	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3835	}	4266	}
3836	}	4267	}
3837		4268
3838	# load additional modules	4269	# load additional modules
3839	use cf::pod;	4270	require "cf/$_.pm" for @EXTRA_MODULES;
		4271	cf::_connect_to_perl_2;
3840		4272
3841	END { cf::emergency_save }	4273	END { cf::emergency_save }
3842		4274
3843	1	4275	1
3844		4276

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