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Revision 1.417 by root, Fri Apr 11 14:09:57 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	$busy = 0;
426	Coro::schedule;	614	Coro::schedule;
427	}	615	}
428	}	616	}
429	};	617	};
430		618
431	sub get_slot($;$$) {	619	sub get_slot($;$$) {
		620	return if tick_inhibit || $Coro::current == $Coro::main;
		621
432	my ($time, $pri, $name) = @_;	622	my ($time, $pri, $name) = @_;
433		623
434	$time = $TICK * .6 if $time > $TICK * .6;	624	$time = clamp $time, 0.01, $TICK * .6;
		625
435	my $sig = new Coro::Signal;	626	my $sig = new Coro::Signal;
436		627
437	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	628	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
438	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	629	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
439	$SLOT_QUEUE->ready;	630	$SLOT_QUEUE->ready;
…		…
465	=cut	656	=cut
466		657
467	sub sync_job(&) {	658	sub sync_job(&) {
468	my ($job) = @_;	659	my ($job) = @_;
469		660
470	if ($Coro::current == $Coro::main) {	661	if (in_main) {
471	my $time = EV::time;	662	my $time = AE::time;
472		663
473	# this is the main coro, too bad, we have to block	664	# this is the main coro, too bad, we have to block
474	# till the operation succeeds, freezing the server :/	665	# till the operation succeeds, freezing the server :/
475		666
476	LOG llevError, Carp::longmess "sync job";#d#	667	#LOG llevError, Carp::longmess "sync job";#d#
477		668
478	my $freeze_guard = freeze_mainloop;	669	my $freeze_guard = freeze_mainloop;
479		670
480	my $busy = 1;	671	my $busy = 1;
481	my @res;	672	my @res;
482		673
483	(async {	674	(async {
484	$Coro::current->desc ("sync job coro");	675	$Coro::current->desc ("sync job coro");
485	@res = eval { $job->() };	676	@res = eval { $job->() };
486	warn $@ if $@;	677	error $@ if $@;
487	undef $busy;	678	undef $busy;
488	})->prio (Coro::PRIO_MAX);	679	})->prio (Coro::PRIO_MAX);
489		680
490	while ($busy) {	681	while ($busy) {
491	if (Coro::nready) {	682	if (Coro::nready) {
…		…
493	} else {	684	} else {
494	EV::loop EV::LOOP_ONESHOT;	685	EV::loop EV::LOOP_ONESHOT;
495	}	686	}
496	}	687	}
497		688
498	my $time = EV::time - $time;	689	my $time = AE::time - $time;
499		690
500	$TICK_START += $time; # do not account sync jobs to server load	691	$TICK_START += $time; # do not account sync jobs to server load
501		692
502	wantarray ? @res : $res[0]	693	wantarray ? @res : $res[0]
503	} else {	694	} else {
…		…
525	$EXT_CORO{$coro+0} = $coro;	716	$EXT_CORO{$coro+0} = $coro;
526		717
527	$coro	718	$coro
528	}	719	}
529		720
530	=item fork_call { }, $args	721	=item fork_call { }, @args
531		722
532	Executes the given code block with the given arguments in a seperate	723	Executes the given code block with the given arguments in a seperate
533	process, returning the results. Everything must be serialisable with	724	process, returning the results. Everything must be serialisable with
534	Coro::Storable. May, of course, block. Note that the executed sub may	725	Coro::Storable. May, of course, block. Note that the executed sub may
535	never block itself or use any form of event handling.	726	never block itself or use any form of event handling.
536		727
537	=cut	728	=cut
538		729
		730	sub post_fork {
		731	reset_signals;
		732	}
		733
539	sub fork_call(&@) {	734	sub fork_call(&@) {
540	my ($cb, @args) = @_;	735	my ($cb, @args) = @_;
541		736
542	# we seemingly have to make a local copy of the whole thing,	737	# we seemingly have to make a local copy of the whole thing,
543	# otherwise perl prematurely frees the stuff :/	738	# otherwise perl prematurely frees the stuff :/
544	# TODO: investigate and fix (likely this will be rather laborious)	739	# TODO: investigate and fix (likely this will be rather laborious)
545		740
546	my @res = Coro::Util::fork_eval {	741	my @res = Coro::Util::fork_eval {
547	reset_signals;	742	cf::post_fork;
548	&$cb	743	&$cb
549	}, @args;	744	} @args;
550		745
551	wantarray ? @res : $res[-1]	746	wantarray ? @res : $res[-1]
		747	}
		748
		749	sub objinfo {
		750	(
		751	"counter value" => cf::object::object_count,
		752	"objects created" => cf::object::create_count,
		753	"objects destroyed" => cf::object::destroy_count,
		754	"freelist size" => cf::object::free_count,
		755	"allocated objects" => cf::object::objects_size,
		756	"active objects" => cf::object::actives_size,
		757	)
552	}	758	}
553		759
554	=item $coin = coin_from_name $name	760	=item $coin = coin_from_name $name
555		761
556	=cut	762	=cut
…		…
593	within each server.	799	within each server.
594		800
595	=cut	801	=cut
596		802
597	sub db_table($) {	803	sub db_table($) {
		804	cf::error "db_get called from main context"
		805	if $Coro::current == $Coro::main;
		806
598	my ($name) = @_;	807	my ($name) = @_;
599	my $db = BDB::db_create $DB_ENV;	808	my $db = BDB::db_create $DB_ENV;
600		809
601	eval {	810	eval {
602	$db->set_flags (BDB::CHKSUM);	811	$db->set_flags (BDB::CHKSUM);
…		…
612	}	821	}
613		822
614	our $DB;	823	our $DB;
615		824
616	sub db_init {	825	sub db_init {
617	cf::sync_job {
618	$DB ||= db_table "db";	826	$DB ||= db_table "db";
619	};
620	}	827	}
621		828
622	sub db_get($$) {	829	sub db_get($$) {
623	my $key = "$_[0]/$_[1]";	830	my $key = "$_[0]/$_[1]";
624		831
625	cf::sync_job {	832	cf::error "db_get called from main context"
		833	if $Coro::current == $Coro::main;
		834
626	BDB::db_get $DB, undef, $key, my $data;	835	BDB::db_get $DB, undef, $key, my $data;
627		836
628	$! ? ()	837	$! ? ()
629	: $data	838	: $data
630	}
631	}	839	}
632		840
633	sub db_put($$$) {	841	sub db_put($$$) {
634	BDB::dbreq_pri 4;	842	BDB::dbreq_pri 4;
635	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	843	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
663		871
664	my @data;	872	my @data;
665	my $md5;	873	my $md5;
666		874
667	for (0 .. $#$src) {	875	for (0 .. $#$src) {
668	0 <= aio_load $src->[$_], $data[$_]	876	$data[$_] = load_file $src->[$_];
669	or Carp::croak "$src->[$_]: $!";
670	}	877	}
671		878
672	# if processing is expensive, check	879	# if processing is expensive, check
673	# checksum first	880	# checksum first
674	if (1) {	881	if (1) {
…		…
691		898
692	my $t1 = Time::HiRes::time;	899	my $t1 = Time::HiRes::time;
693	my $data = $process->(\@data);	900	my $data = $process->(\@data);
694	my $t2 = Time::HiRes::time;	901	my $t2 = Time::HiRes::time;
695		902
696	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	903	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
697		904
698	db_put cache => "$id/data", $data;	905	db_put cache => "$id/data", $data;
699	db_put cache => "$id/md5" , $md5;	906	db_put cache => "$id/md5" , $md5;
700	db_put cache => "$id/meta", $meta;	907	db_put cache => "$id/meta", $meta;
701		908
…		…
711		918
712	=cut	919	=cut
713		920
714	sub datalog($@) {	921	sub datalog($@) {
715	my ($type, %kv) = @_;	922	my ($type, %kv) = @_;
716	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	923	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
717	}	924	}
718		925
719	=back	926	=back
720		927
721	=cut	928	=cut
722		929
723	#############################################################################	930	#############################################################################
724		931
725	=head2 ATTACHABLE OBJECTS	932	=head2 ATTACHABLE OBJECTS
726		933
727	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
728	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")
729	to it. All such attachable objects support the following methods.	936	to it. All such attachable objects support the following methods.
730		937
731	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>
732	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
…		…
782	=item cf::CLASS::attachment $name, ...	989	=item cf::CLASS::attachment $name, ...
783		990
784	Register an attachment by C<$name> through which attachable objects of the	991	Register an attachment by C<$name> through which attachable objects of the
785	given CLASS can refer to this attachment.	992	given CLASS can refer to this attachment.
786		993
787	Some classes such as crossfire maps and objects can specify attachments	994	Some classes such as deliantra maps and objects can specify attachments
788	that are attached at load/instantiate time, thus the need for a name.	995	that are attached at load/instantiate time, thus the need for a name.
789		996
790	These calls expect any number of the following handler/hook descriptions:	997	These calls expect any number of the following handler/hook descriptions:
791		998
792	=over 4	999	=over 4
…		…
916		1123
917	} elsif (exists $cb_id{$type}) {	1124	} elsif (exists $cb_id{$type}) {
918	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1125	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
919		1126
920	} elsif (ref $type) {	1127	} elsif (ref $type) {
921	warn "attaching objects not supported, ignoring.\n";	1128	error "attaching objects not supported, ignoring.\n";
922		1129
923	} else {	1130	} else {
924	shift @arg;	1131	shift @arg;
925	warn "attach argument '$type' not supported, ignoring.\n";	1132	error "attach argument '$type' not supported, ignoring.\n";
926	}	1133	}
927	}	1134	}
928	}	1135	}
929		1136
930	sub _object_attach {	1137	sub _object_attach {
…		…
940	_attach $registry, $klass, @attach;	1147	_attach $registry, $klass, @attach;
941	}	1148	}
942		1149
943	$obj->{$name} = \%arg;	1150	$obj->{$name} = \%arg;
944	} else {	1151	} else {
945	warn "object uses attachment '$name' which is not available, postponing.\n";	1152	info "object uses attachment '$name' which is not available, postponing.\n";
946	}	1153	}
947		1154
948	$obj->{_attachment}{$name} = undef;	1155	$obj->{_attachment}{$name} = undef;
949	}	1156	}
950		1157
…		…
1009		1216
1010	for (@$callbacks) {	1217	for (@$callbacks) {
1011	eval { &{$_->[1]} };	1218	eval { &{$_->[1]} };
1012		1219
1013	if ($@) {	1220	if ($@) {
1014	warn "$@";
1015	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1221	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1016	override;	1222	override;
1017	}	1223	}
1018		1224
1019	return 1 if $override;	1225	return 1 if $override;
1020	}	1226	}
…		…
1083		1289
1084	sub reattach {	1290	sub reattach {
1085	# basically do the same as instantiate, without calling instantiate	1291	# basically do the same as instantiate, without calling instantiate
1086	my ($obj) = @_;	1292	my ($obj) = @_;
1087		1293
		1294	# no longer needed after getting rid of delete_package?
1088	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
1089		1296
1090	my $registry = $obj->registry;	1297	my $registry = $obj->registry;
1091		1298
1092	@$registry = ();	1299	@$registry = ();
1093		1300
…		…
1098	for (@$attach) {	1305	for (@$attach) {
1099	my ($klass, @attach) = @$_;	1306	my ($klass, @attach) = @$_;
1100	_attach $registry, $klass, @attach;	1307	_attach $registry, $klass, @attach;
1101	}	1308	}
1102	} else {	1309	} else {
1103	warn "object uses attachment '$name' that is not available, postponing.\n";	1310	info "object uses attachment '$name' that is not available, postponing.\n";
1104	}	1311	}
1105	}	1312	}
1106	}	1313	}
1107		1314
1108	cf::attachable->attach (	1315	cf::attachable->attach (
…		…
1135	my ($filename, $rdata, $objs) = @_;	1342	my ($filename, $rdata, $objs) = @_;
1136		1343
1137	sync_job {	1344	sync_job {
1138	if (length $$rdata) {	1345	if (length $$rdata) {
1139	utf8::decode (my $decname = $filename);	1346	utf8::decode (my $decname = $filename);
1140	warn sprintf "saving %s (%d,%d)\n",	1347	trace sprintf "saving %s (%d,%d)\n",
1141	$decname, length $$rdata, scalar @$objs;	1348	$decname, length $$rdata, scalar @$objs
		1349	if $VERBOSE_IO;
1142		1350
1143	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1351	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1144	chmod SAVE_MODE, $fh;	1352	aio_chmod $fh, SAVE_MODE;
1145	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1353	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1146	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	}
1147	close $fh;	1358	aio_close $fh;
1148		1359
1149	if (@$objs) {	1360	if (@$objs) {
1150	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) {
1151	chmod SAVE_MODE, $fh;	1362	aio_chmod $fh, SAVE_MODE;
1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1363	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1153	aio_write $fh, 0, (length $data), $data, 0;	1364	aio_write $fh, 0, (length $data), $data, 0;
1154	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	}
1155	close $fh;	1369	aio_close $fh;
1156	aio_rename "$filename.pst~", "$filename.pst";	1370	aio_rename "$filename.pst~", "$filename.pst";
1157	}	1371	}
1158	} else {	1372	} else {
1159	aio_unlink "$filename.pst";	1373	aio_unlink "$filename.pst";
1160	}	1374	}
1161		1375
1162	aio_rename "$filename~", $filename;	1376	aio_rename "$filename~", $filename;
		1377
		1378	$filename =~ s%/[^/]+$%%;
		1379	aio_pathsync $filename if $cf::USE_FSYNC;
1163	} else {	1380	} else {
1164	warn "FATAL: $filename~: $!\n";	1381	error "unable to save objects: $filename~: $!\n";
1165	}	1382	}
1166	} else {	1383	} else {
1167	aio_unlink $filename;	1384	aio_unlink $filename;
1168	aio_unlink "$filename.pst";	1385	aio_unlink "$filename.pst";
1169	}	1386	}
…		…
1193	my $st = eval { Coro::Storable::thaw $av };	1410	my $st = eval { Coro::Storable::thaw $av };
1194	$av = $st->{objs};	1411	$av = $st->{objs};
1195	}	1412	}
1196		1413
1197	utf8::decode (my $decname = $filename);	1414	utf8::decode (my $decname = $filename);
1198	warn sprintf "loading %s (%d,%d)\n",	1415	trace sprintf "loading %s (%d,%d)\n",
1199	$decname, length $data, scalar @{$av || []};	1416	$decname, length $data, scalar @{$av || []}
		1417	if $VERBOSE_IO;
1200		1418
1201	($data, $av)	1419	($data, $av)
1202	}	1420	}
1203		1421
1204	=head2 COMMAND CALLBACKS	1422	=head2 COMMAND CALLBACKS
…		…
1260	my ($name, $cb) = @_;	1478	my ($name, $cb) = @_;
1261		1479
1262	$EXTICMD{$name} = $cb;	1480	$EXTICMD{$name} = $cb;
1263	}	1481	}
1264		1482
		1483	use File::Glob ();
		1484
1265	cf::player->attach (	1485	cf::player->attach (
1266	on_command => sub {	1486	on_unknown_command => sub {
1267	my ($pl, $name, $params) = @_;	1487	my ($pl, $name, $params) = @_;
1268		1488
1269	my $cb = $COMMAND{$name}	1489	my $cb = $COMMAND{$name}
1270	or return;	1490	or return;
1271		1491
…		…
1279	my ($pl, $buf) = @_;	1499	my ($pl, $buf) = @_;
1280		1500
1281	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1501	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1282		1502
1283	if (ref $msg) {	1503	if (ref $msg) {
1284	my ($type, $reply, @payload) =	1504	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1285	"ARRAY" eq ref $msg
1286	? @$msg
1287	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1288		1505
1289	my @reply;	1506	my @reply;
1290		1507
1291	if (my $cb = $EXTCMD{$type}) {	1508	if (my $cb = $EXTCMD{$type}) {
1292	@reply = $cb->($pl, @payload);	1509	@reply = $cb->($pl, @payload);
…		…
1294		1511
1295	$pl->ext_reply ($reply, @reply)	1512	$pl->ext_reply ($reply, @reply)
1296	if $reply;	1513	if $reply;
1297		1514
1298	} else {	1515	} else {
1299	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1516	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1300	}	1517	}
1301		1518
1302	cf::override;	1519	cf::override;
1303	},	1520	},
1304	);	1521	);
1305		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
1306	sub load_extensions {	1536	sub load_extensions {
		1537	info "loading extensions...";
		1538
1307	cf::sync_job {	1539	cf::sync_job {
1308	my %todo;	1540	my %todo;
1309		1541
1310	for my $path (<$LIBDIR/*.ext>) {	1542	for my $path (<$LIBDIR/*.ext>) {
1311	next unless -r $path;	1543	next unless -r $path;
…		…
1329		1561
1330	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1562	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1331	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1563	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1332		1564
1333	$ext{source} =	1565	$ext{source} =
1334	"package $pkg; use strict; use utf8;\n"	1566	"package $pkg; use common::sense;\n"
1335	. "#line 1 \"$path\"\n{\n"	1567	. "#line 1 \"$path\"\n{\n"
1336	. $source	1568	. $source
1337	. "\n};\n1";	1569	. "\n};\n1";
1338		1570
1339	$todo{$base} = \%ext;	1571	$todo{$base} = \%ext;
1340	}	1572	}
1341		1573
		1574	my $pass = 0;
1342	my %done;	1575	my %done;
1343	while (%todo) {	1576	while (%todo) {
1344	my $progress;	1577	my $progress;
1345		1578
		1579	++$pass;
		1580
		1581	ext:
1346	while (my ($k, $v) = each %todo) {	1582	while (my ($k, $v) = each %todo) {
1347	for (split /,\s*/, $v->{meta}{depends}) {	1583	for (split /,\s*/, $v->{meta}{depends}) {
1348	goto skip	1584	next ext
1349	unless exists $done{$_};	1585	unless exists $done{$_};
1350	}	1586	}
1351		1587
1352	warn "... loading '$k' into '$v->{pkg}'\n";	1588	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1353		1589
1354	unless (eval $v->{source}) {	1590	my $active = eval $v->{source};
		1591
		1592	if (length $@) {
1355	my $msg = $@ ? "$v->{path}: $@\n"	1593	error "$v->{path}: $@\n";
1356	: "$v->{base}: extension inactive.\n";
1357		1594
1358	if (exists $v->{meta}{mandatory}) {
1359	warn $msg;
1360	cf::cleanup "mandatory extension failed to load, exiting.";	1595	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1361	}	1596	if exists $v->{meta}{mandatory};
1362		1597
1363	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;
1364	}	1607	}
1365
1366	$done{$k} = delete $todo{$k};
1367	push @EXTS, $v->{pkg};
1368	$progress = 1;
1369	}	1608	}
1370		1609
1371	skip:	1610	unless ($progress) {
1372	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1611	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1373	unless $progress;	1612
		1613	while (my ($k, $v) = each %todo) {
		1614	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1615	if exists $v->{meta}{mandatory};
		1616	}
		1617
		1618	last;
		1619	}
1374	}	1620	}
1375	};	1621	};
1376	}	1622	}
1377		1623
1378	#############################################################################	1624	#############################################################################
1379		1625
1380	=back	1626	=back
1381		1627
1382	=head2 CORE EXTENSIONS	1628	=head2 CORE EXTENSIONS
1383		1629
1384	Functions and methods that extend core crossfire objects.	1630	Functions and methods that extend core deliantra objects.
1385		1631
1386	=cut	1632	=cut
1387		1633
1388	package cf::player;	1634	package cf::player;
1389		1635
…		…
1432		1678
1433	sub exists($) {	1679	sub exists($) {
1434	my ($login) = @_;	1680	my ($login) = @_;
1435		1681
1436	$cf::PLAYER{$login}	1682	$cf::PLAYER{$login}
1437	or cf::sync_job { !aio_stat path $login }	1683	or !aio_stat path $login
1438	}	1684	}
1439		1685
1440	sub find($) {	1686	sub find($) {
1441	return $cf::PLAYER{$_[0]} || do {	1687	return $cf::PLAYER{$_[0]} || do {
1442	my $login = $_[0];	1688	my $login = $_[0];
…		…
1454	my $f = new_from_file cf::object::thawer path $login	1700	my $f = new_from_file cf::object::thawer path $login
1455	or return;	1701	or return;
1456		1702
1457	my $pl = cf::player::load_pl $f	1703	my $pl = cf::player::load_pl $f
1458	or return;	1704	or return;
		1705
1459	local $cf::PLAYER_LOADING{$login} = $pl;	1706	local $cf::PLAYER_LOADING{$login} = $pl;
1460	$f->resolve_delayed_derefs;	1707	$f->resolve_delayed_derefs;
1461	$cf::PLAYER{$login} = $pl	1708	$cf::PLAYER{$login} = $pl
1462	}	1709	}
1463	}	1710	}
1464	}	1711	}
1465		1712
		1713	cf::player->attach (
		1714	on_load => sub {
		1715	my ($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
1466	sub save($) {	1726	sub save($) {
1467	my ($pl) = @_;	1727	my ($pl) = @_;
1468		1728
1469	return if $pl->{deny_save};	1729	return if $pl->{deny_save};
1470		1730
…		…
1473		1733
1474	return if $pl->{deny_save};	1734	return if $pl->{deny_save};
1475		1735
1476	aio_mkdir playerdir $pl, 0770;	1736	aio_mkdir playerdir $pl, 0770;
1477	$pl->{last_save} = $cf::RUNTIME;	1737	$pl->{last_save} = $cf::RUNTIME;
		1738
		1739	cf::get_slot 0.01;
		1740
		1741	# save slots, to be restored later
		1742	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1478		1743
1479	$pl->save_pl ($path);	1744	$pl->save_pl ($path);
1480	cf::cede_to_tick;	1745	cf::cede_to_tick;
1481	}	1746	}
1482		1747
…		…
1514	my ($pl) = @_;	1779	my ($pl) = @_;
1515		1780
1516	my $name = $pl->ob->name;	1781	my $name = $pl->ob->name;
1517		1782
1518	$pl->{deny_save} = 1;	1783	$pl->{deny_save} = 1;
1519	$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
1520		1785
1521	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1786	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1522	$pl->deactivate;	1787	$pl->deactivate;
		1788
		1789	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1523	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1790	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1791	ext::highscore::check ($pl->ob);
		1792
1524	$pl->ns->destroy if $pl->ns;	1793	$pl->ns->destroy if $pl->ns;
1525		1794
1526	my $path = playerdir $pl;	1795	my $path = playerdir $pl;
1527	my $temp = "$path~$cf::RUNTIME~deleting~";	1796	my $temp = "$path~$cf::RUNTIME~deleting~";
1528	aio_rename $path, $temp;	1797	aio_rename $path, $temp;
…		…
1566		1835
1567	for my $login (@$dirs) {	1836	for my $login (@$dirs) {
1568	my $path = path $login;	1837	my $path = path $login;
1569		1838
1570	# a .pst is a dead give-away for a valid player	1839	# a .pst is a dead give-away for a valid player
1571	unless (-e "$path.pst") {	1840	# if no pst file found, open and chekc for blocked users
		1841	if (aio_stat "$path.pst") {
1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1842	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1573	aio_read $fh, 0, 512, my $buf, 0 or next;	1843	aio_read $fh, 0, 512, my $buf, 0 or next;
1574	$buf !~ /^password -------------$/m or next; # official not-valid tag	1844	$buf !~ /^password -------------$/m or next; # official not-valid tag
1575	}	1845	}
1576		1846
…		…
1580		1850
1581	\@logins	1851	\@logins
1582	}	1852	}
1583		1853
1584	=item $player->maps	1854	=item $player->maps
		1855
		1856	=item cf::player::maps $login
1585		1857
1586	Returns an arrayref of map paths that are private for this	1858	Returns an arrayref of map paths that are private for this
1587	player. May block.	1859	player. May block.
1588		1860
1589	=cut	1861	=cut
…		…
1607	}	1879	}
1608		1880
1609	\@paths	1881	\@paths
1610	}	1882	}
1611		1883
1612	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1884	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1613		1885
1614	Expand crossfire pod fragments into protocol xml.	1886	Expand deliantra pod fragments into protocol xml.
1615
1616	=cut
1617
1618	use re 'eval';
1619
1620	my $group;
1621	my $interior; $interior = qr{
1622	# match a pod interior sequence sans C<< >>
1623	(?:
1624	\ (.*?)\ (?{ $group = $^N })
1625	| < (??{$interior}) >
1626	)
1627	}x;
1628
1629	sub expand_cfpod {
1630	my ($self, $pod) = @_;
1631
1632	my $xml;
1633
1634	while () {
1635	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1636	$group = $1;
1637
1638	$group =~ s/&/&amp;/g;
1639	$group =~ s/</&lt;/g;
1640
1641	$xml .= $group;
1642	} elsif ($pod =~ m%\G
1643	([BCGHITU])
1644	<
1645	(?:
1646	([^<>]*) (?{ $group = $^N })
1647	| < $interior >
1648	)
1649	>
1650	%gcsx
1651	) {
1652	my ($code, $data) = ($1, $group);
1653
1654	if ($code eq "B") {
1655	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1656	} elsif ($code eq "I") {
1657	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1658	} elsif ($code eq "U") {
1659	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1660	} elsif ($code eq "C") {
1661	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1662	} elsif ($code eq "T") {
1663	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1664	} elsif ($code eq "G") {
1665	my ($male, $female) = split /\|/, $data;
1666	$data = $self->gender ? $female : $male;
1667	$xml .= expand_cfpod ($self, $data);
1668	} elsif ($code eq "H") {
1669	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1670	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1671	"")
1672	[$self->{hintmode}];
1673	} else {
1674	$xml .= "error processing '$code($data)' directive";
1675	}
1676	} else {
1677	if ($pod =~ /\G(.+)/) {
1678	warn "parse error while expanding $pod (at $1)";
1679	}
1680	last;
1681	}
1682	}
1683
1684	for ($xml) {
1685	# create single paragraphs (very hackish)
1686	s/(?<=\S)\n(?=\w)/ /g;
1687
1688	# compress some whitespace
1689	s/\s+\n/\n/g; # ws line-ends
1690	s/\n\n+/\n/g; # double lines
1691	s/^\n+//; # beginning lines
1692	s/\n+$//; # ending lines
1693	}
1694
1695	$xml
1696	}
1697
1698	no re 'eval';
1699
1700	sub hintmode {
1701	$_[0]{hintmode} = $_[1] if @_ > 1;
1702	$_[0]{hintmode}
1703	}
1704		1887
1705	=item $player->ext_reply ($msgid, @msg)	1888	=item $player->ext_reply ($msgid, @msg)
1706		1889
1707	Sends an ext reply to the player.	1890	Sends an ext reply to the player.
1708		1891
…		…
1740		1923
1741	=cut	1924	=cut
1742		1925
1743	sub find_by_path($) {	1926	sub find_by_path($) {
1744	my ($path) = @_;	1927	my ($path) = @_;
		1928
		1929	$path =~ s/^~[^\/]*//; # skip ~login
1745		1930
1746	my ($match, $specificity);	1931	my ($match, $specificity);
1747		1932
1748	for my $region (list) {	1933	for my $region (list) {
1749	if ($region->{match} && $path =~ $region->{match}) {	1934	if ($region->{match} && $path =~ $region->{match}) {
…		…
1775	our $MAX_RESET = 3600;	1960	our $MAX_RESET = 3600;
1776	our $DEFAULT_RESET = 3000;	1961	our $DEFAULT_RESET = 3000;
1777		1962
1778	sub generate_random_map {	1963	sub generate_random_map {
1779	my ($self, $rmp) = @_;	1964	my ($self, $rmp) = @_;
1780	# mit "rum" bekleckern, nicht	1965
		1966	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1967
1781	$self->_create_random_map (	1968	$self->_create_random_map ($rmp);
1782	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1783	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1784	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1785	$rmp->{exit_on_final_map},
1786	$rmp->{xsize}, $rmp->{ysize},
1787	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1788	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1789	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1790	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1791	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1792	(cf::region::find $rmp->{region}), $rmp->{custom}
1793	)
1794	}	1969	}
1795		1970
1796	=item cf::map->register ($regex, $prio)	1971	=item cf::map->register ($regex, $prio)
1797		1972
1798	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
…		…
1803		1978
1804	sub register {	1979	sub register {
1805	my (undef, $regex, $prio) = @_;	1980	my (undef, $regex, $prio) = @_;
1806	my $pkg = caller;	1981	my $pkg = caller;
1807		1982
1808	no strict;
1809	push @{"$pkg\::ISA"}, __PACKAGE__;	1983	push @{"$pkg\::ISA"}, __PACKAGE__;
1810		1984
1811	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1985	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1812	}	1986	}
1813		1987
1814	# also paths starting with '/'	1988	# also paths starting with '/'
1815	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1989	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1816		1990
1817	sub thawer_merge {	1991	sub thawer_merge {
1818	my ($self, $merge) = @_;	1992	my ($self, $merge) = @_;
1819		1993
1820	# we have to keep some variables in memory intact	1994	# we have to keep some variables in memory intact
…		…
1825	}	1999	}
1826		2000
1827	sub normalise {	2001	sub normalise {
1828	my ($path, $base) = @_;	2002	my ($path, $base) = @_;
1829		2003
1830	$path = "$path"; # make sure its a string	2004	$path = "$path"; # make sure it's a string
1831		2005
1832	$path =~ s/\.map$//;	2006	$path =~ s/\.map$//;
1833		2007
1834	# map plan:	2008	# map plan:
1835	#	2009	#
…		…
1850	$base =~ s{[^/]+/?$}{};	2024	$base =~ s{[^/]+/?$}{};
1851	$path = "$base/$path";	2025	$path = "$base/$path";
1852	}	2026	}
1853		2027
1854	for ($path) {	2028	for ($path) {
1855	redo if s{//}{/};
1856	redo if s{/\.?/}{/};	2029	redo if s{/\.?/}{/};
1857	redo if s{/[^/]+/\.\./}{/};	2030	redo if s{/[^/]+/\.\./}{/};
1858	}	2031	}
1859		2032
1860	$path	2033	$path
…		…
1874	$self->init; # pass $1 etc.	2047	$self->init; # pass $1 etc.
1875	return $self;	2048	return $self;
1876	}	2049	}
1877	}	2050	}
1878		2051
1879	Carp::cluck "unable to resolve path '$path' (base '$base').";	2052	Carp::cluck "unable to resolve path '$path' (base '$base')";
1880	()	2053	()
1881	}	2054	}
1882		2055
		2056	# may re-bless or do other evil things
1883	sub init {	2057	sub init {
1884	my ($self) = @_;	2058	my ($self) = @_;
1885		2059
1886	$self	2060	$self
1887	}	2061	}
…		…
1906		2080
1907	# the temporary/swap location	2081	# the temporary/swap location
1908	sub save_path {	2082	sub save_path {
1909	my ($self) = @_;	2083	my ($self) = @_;
1910		2084
1911	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2085	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1912	"$TMPDIR/$path.map"	2086	"$TMPDIR/$path.map"
1913	}	2087	}
1914		2088
1915	# the unique path, undef == no special unique path	2089	# the unique path, undef == no special unique path
1916	sub uniq_path {	2090	sub uniq_path {
1917	my ($self) = @_;	2091	my ($self) = @_;
1918		2092
1919	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2093	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1920	"$UNIQUEDIR/$path"	2094	"$UNIQUEDIR/$path"
1921	}
1922
1923	# and all this just because we cannot iterate over
1924	# all maps in C++...
1925	sub change_all_map_light {
1926	my ($change) = @_;
1927
1928	$_->change_map_light ($change)
1929	for grep $_->outdoor, values %cf::MAP;
1930	}	2095	}
1931		2096
1932	sub decay_objects {	2097	sub decay_objects {
1933	my ($self) = @_;	2098	my ($self) = @_;
1934		2099
…		…
1961	$self->{load_path} = $path;	2126	$self->{load_path} = $path;
1962		2127
1963	1	2128	1
1964	}	2129	}
1965		2130
		2131	# used to laod the header of an original map
1966	sub load_header_orig {	2132	sub load_header_orig {
1967	my ($self) = @_;	2133	my ($self) = @_;
1968		2134
1969	$self->load_header_from ($self->load_path)	2135	$self->load_header_from ($self->load_path)
1970	}	2136	}
1971		2137
		2138	# used to laod the header of an instantiated map
1972	sub load_header_temp {	2139	sub load_header_temp {
1973	my ($self) = @_;	2140	my ($self) = @_;
1974		2141
1975	$self->load_header_from ($self->save_path)	2142	$self->load_header_from ($self->save_path)
1976	}	2143	}
1977		2144
		2145	# called after loading the header from an instantiated map
1978	sub prepare_temp {	2146	sub prepare_temp {
1979	my ($self) = @_;	2147	my ($self) = @_;
1980		2148
1981	$self->last_access ((delete $self->{last_access})	2149	$self->last_access ((delete $self->{last_access})
1982	|| $cf::RUNTIME); #d#	2150	|| $cf::RUNTIME); #d#
1983	# safety	2151	# safety
1984	$self->{instantiate_time} = $cf::RUNTIME	2152	$self->{instantiate_time} = $cf::RUNTIME
1985	if $self->{instantiate_time} > $cf::RUNTIME;	2153	if $self->{instantiate_time} > $cf::RUNTIME;
1986	}	2154	}
1987		2155
		2156	# called after loading the header from an original map
1988	sub prepare_orig {	2157	sub prepare_orig {
1989	my ($self) = @_;	2158	my ($self) = @_;
1990		2159
1991	$self->{load_original} = 1;	2160	$self->{load_original} = 1;
1992	$self->{instantiate_time} = $cf::RUNTIME;	2161	$self->{instantiate_time} = $cf::RUNTIME;
…		…
2016		2185
2017	sub find;	2186	sub find;
2018	sub find {	2187	sub find {
2019	my ($path, $origin) = @_;	2188	my ($path, $origin) = @_;
2020		2189
		2190	cf::cede_to_tick;
		2191
2021	$path = normalise $path, $origin && $origin->path;	2192	$path = normalise $path, $origin;
2022		2193
2023	cf::lock_wait "map_data:$path";#d#remove	2194	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2024	cf::lock_wait "map_find:$path";	2195	my $guard2 = cf::lock_acquire "map_find:$path";
2025		2196
2026	$cf::MAP{$path} || do {	2197	$cf::MAP{$path} || do {
2027	my $guard1 = cf::lock_acquire "map_find:$path";
2028	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2029
2030	my $map = new_from_path cf::map $path	2198	my $map = new_from_path cf::map $path
2031	or return;	2199	or return;
2032		2200
2033	$map->{last_save} = $cf::RUNTIME;	2201	$map->{last_save} = $cf::RUNTIME;
2034		2202
…		…
2036	or return;	2204	or return;
2037		2205
2038	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2206	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2039	# doing this can freeze the server in a sync job, obviously	2207	# doing this can freeze the server in a sync job, obviously
2040	#$cf::WAIT_FOR_TICK->wait;	2208	#$cf::WAIT_FOR_TICK->wait;
		2209	undef $guard2;
2041	undef $guard1;	2210	undef $guard1;
2042	undef $guard2;
2043	$map->reset;	2211	$map->reset;
2044	return find $path;	2212	return find $path;
2045	}	2213	}
2046		2214
2047	$cf::MAP{$path} = $map	2215	$cf::MAP{$path} = $map
2048	}	2216	}
2049	}	2217	}
2050		2218
2051	sub pre_load { }	2219	sub pre_load { }
2052	sub post_load { }	2220	#sub post_load { } # XS
2053		2221
2054	sub load {	2222	sub load {
2055	my ($self) = @_;	2223	my ($self) = @_;
2056		2224
2057	local $self->{deny_reset} = 1; # loading can take a long time	2225	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2060		2228
2061	{	2229	{
2062	my $guard = cf::lock_acquire "map_data:$path";	2230	my $guard = cf::lock_acquire "map_data:$path";
2063		2231
2064	return unless $self->valid;	2232	return unless $self->valid;
2065	return unless $self->in_memory == cf::MAP_SWAPPED;	2233	return unless $self->state == cf::MAP_SWAPPED;
2066
2067	$self->in_memory (cf::MAP_LOADING);
2068		2234
2069	$self->alloc;	2235	$self->alloc;
2070		2236
2071	$self->pre_load;	2237	$self->pre_load;
2072	cf::cede_to_tick;	2238	cf::cede_to_tick;
2073		2239
		2240	if (exists $self->{load_path}) {
2074	my $f = new_from_file cf::object::thawer $self->{load_path};	2241	my $f = new_from_file cf::object::thawer $self->{load_path};
2075	$f->skip_block;	2242	$f->skip_block;
2076	$self->_load_objects ($f)	2243	$self->_load_objects ($f)
2077	or return;	2244	or return;
2078		2245
2079	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2246	$self->post_load_original
2080	if delete $self->{load_original};	2247	if delete $self->{load_original};
2081		2248
2082	if (my $uniq = $self->uniq_path) {	2249	if (my $uniq = $self->uniq_path) {
2083	utf8::encode $uniq;	2250	utf8::encode $uniq;
2084	unless (aio_stat $uniq) {	2251	unless (aio_stat $uniq) {
2085	if (my $f = new_from_file cf::object::thawer $uniq) {	2252	if (my $f = new_from_file cf::object::thawer $uniq) {
2086	$self->clear_unique_items;	2253	$self->clear_unique_items;
2087	$self->_load_objects ($f);	2254	$self->_load_objects ($f);
2088	$f->resolve_delayed_derefs;	2255	$f->resolve_delayed_derefs;
		2256	}
2089	}	2257	}
2090	}	2258	}
2091	}
2092		2259
2093	$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);
2094		2267
2095	cf::cede_to_tick;	2268	cf::cede_to_tick;
2096	# now do the right thing for maps	2269	# now do the right thing for maps
2097	$self->link_multipart_objects;	2270	$self->link_multipart_objects;
2098	$self->difficulty ($self->estimate_difficulty)	2271	$self->difficulty ($self->estimate_difficulty)
…		…
2102	unless ($self->{deny_activate}) {	2275	unless ($self->{deny_activate}) {
2103	$self->decay_objects;	2276	$self->decay_objects;
2104	$self->fix_auto_apply;	2277	$self->fix_auto_apply;
2105	$self->update_buttons;	2278	$self->update_buttons;
2106	cf::cede_to_tick;	2279	cf::cede_to_tick;
2107	$self->set_darkness_map;	2280	#$self->activate; # no longer activate maps automatically
2108	cf::cede_to_tick;
2109	$self->activate;
2110	}	2281	}
2111		2282
2112	$self->{last_save} = $cf::RUNTIME;	2283	$self->{last_save} = $cf::RUNTIME;
2113	$self->last_access ($cf::RUNTIME);	2284	$self->last_access ($cf::RUNTIME);
2114
2115	$self->in_memory (cf::MAP_IN_MEMORY);
2116	}	2285	}
2117		2286
2118	$self->post_load;	2287	$self->post_load;
2119	}
2120		2288
		2289	1
		2290	}
		2291
		2292	# customize the map for a given player, i.e.
		2293	# return the _real_ map. used by e.g. per-player
		2294	# maps to change the path to ~playername/mappath
2121	sub customise_for {	2295	sub customise_for {
2122	my ($self, $ob) = @_;	2296	my ($self, $ob) = @_;
2123		2297
2124	return find "~" . $ob->name . "/" . $self->{path}	2298	return find "~" . $ob->name . "/" . $self->{path}
2125	if $self->per_player;	2299	if $self->per_player;
…		…
2128	# if $self->per_party;	2302	# if $self->per_party;
2129		2303
2130	$self	2304	$self
2131	}	2305	}
2132		2306
2133	# find and load all maps in the 3x3 area around a map
2134	sub load_neighbours {
2135	my ($map) = @_;
2136
2137	my @neigh; # diagonal neighbours
2138
2139	for (0 .. 3) {
2140	my $neigh = $map->tile_path ($_)
2141	or next;
2142	$neigh = find $neigh, $map
2143	or next;
2144	$neigh->load;
2145
2146	push @neigh,
2147	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2148	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2149	}
2150
2151	for (grep defined $_->[0], @neigh) {
2152	my ($path, $origin) = @$_;
2153	my $neigh = find $path, $origin
2154	or next;
2155	$neigh->load;
2156	}
2157	}
2158
2159	sub find_sync {	2307	sub find_sync {
2160	my ($path, $origin) = @_;	2308	my ($path, $origin) = @_;
2161		2309
2162	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, $origin
2163	}	2315	}
2164		2316
2165	sub do_load_sync {	2317	sub do_load_sync {
2166	my ($map) = @_;	2318	my ($map) = @_;
2167		2319
		2320	# it's a bug to call this from the main context
2168	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2321	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2169	if $Coro::current == $Coro::main;	2322	if $Coro::current == $Coro::main;
2170		2323
2171	cf::sync_job { $map->load };	2324	$map->load;
2172	}	2325	}
2173		2326
2174	our %MAP_PREFETCH;	2327	our %MAP_PREFETCH;
2175	our $MAP_PREFETCHER = undef;	2328	our $MAP_PREFETCHER = undef;
2176		2329
2177	sub find_async {	2330	sub find_async {
2178	my ($path, $origin, $load) = @_;	2331	my ($path, $origin, $load) = @_;
2179		2332
2180	$path = normalise $path, $origin && $origin->{path};	2333	$path = normalise $path, $origin;
2181		2334
2182	if (my $map = $cf::MAP{$path}) {	2335	if (my $map = $cf::MAP{$path}) {
2183	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2336	return $map if !$load || $map->linkable;
2184	}	2337	}
2185		2338
2186	$MAP_PREFETCH{$path} |= $load;	2339	$MAP_PREFETCH{$path} |= $load;
2187		2340
2188	$MAP_PREFETCHER ||= cf::async {	2341	$MAP_PREFETCHER ||= cf::async {
…		…
2202	$MAP_PREFETCHER->prio (6);	2355	$MAP_PREFETCHER->prio (6);
2203		2356
2204	()	2357	()
2205	}	2358	}
2206		2359
		2360	# common code, used by both ->save and ->swapout
2207	sub save {	2361	sub _save {
2208	my ($self) = @_;	2362	my ($self) = @_;
2209
2210	my $lock = cf::lock_acquire "map_data:$self->{path}";
2211		2363
2212	$self->{last_save} = $cf::RUNTIME;	2364	$self->{last_save} = $cf::RUNTIME;
2213		2365
2214	return unless $self->dirty;	2366	return unless $self->dirty;
2215		2367
…		…
2224		2376
2225	cf::async {	2377	cf::async {
2226	$Coro::current->{desc} = "map player save";	2378	$Coro::current->{desc} = "map player save";
2227	$_->contr->save for $self->players;	2379	$_->contr->save for $self->players;
2228	};	2380	};
		2381
		2382	cf::get_slot 0.02;
2229		2383
2230	if ($uniq) {	2384	if ($uniq) {
2231	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2385	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2232	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2386	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2233	} else {	2387	} else {
2234	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2388	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2235	}	2389	}
2236	}	2390	}
2237		2391
		2392	sub save {
		2393	my ($self) = @_;
		2394
		2395	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2396
		2397	$self->_save;
		2398	}
		2399
2238	sub swap_out {	2400	sub swap_out {
2239	my ($self) = @_;	2401	my ($self) = @_;
2240		2402
2241	# save first because save cedes
2242	$self->save;
2243
2244	my $lock = cf::lock_acquire "map_data:$self->{path}";	2403	my $lock = cf::lock_acquire "map_data:$self->{path}";
2245		2404
		2405	return if !$self->linkable;
		2406	return if $self->{deny_save};
2246	return if $self->players;	2407	return if $self->players;
2247	return if $self->in_memory != cf::MAP_IN_MEMORY;	2408
		2409	# first deactivate the map and "unlink" it from the core
		2410	$self->deactivate;
		2411	$_->clear_links_to ($self) for values %cf::MAP;
		2412	$self->state (cf::MAP_SWAPPED);
		2413
		2414	# then atomically save
		2415	$self->_save;
		2416
		2417	# then free the map
		2418	$self->clear;
		2419	}
		2420
		2421	sub reset_at {
		2422	my ($self) = @_;
		2423
		2424	# TODO: safety, remove and allow resettable per-player maps
2248	return if $self->{deny_save};	2425	return 1e99 if $self->{deny_reset};
2249		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
2250	$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};
2251		2459
2252	$self->deactivate;	2460	$self->deactivate;
2253	$_->clear_links_to ($self) for values %cf::MAP;	2461	$_->clear_links_to ($self) for values %cf::MAP;
2254	$self->clear;	2462	$self->clear;
2255	}
2256
2257	sub reset_at {
2258	my ($self) = @_;
2259
2260	# TODO: safety, remove and allow resettable per-player maps
2261	return 1e99 if $self->{deny_reset};
2262
2263	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2264	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2265
2266	$time + $to
2267	}
2268
2269	sub should_reset {
2270	my ($self) = @_;
2271
2272	$self->reset_at <= $cf::RUNTIME
2273	}
2274
2275	sub reset {
2276	my ($self) = @_;
2277
2278	my $lock = cf::lock_acquire "map_data:$self->{path}";
2279
2280	return if $self->players;
2281
2282	warn "resetting map ", $self->path;
2283
2284	$self->in_memory (cf::MAP_SWAPPED);
2285
2286	# need to save uniques path
2287	unless ($self->{deny_save}) {
2288	my $uniq = $self->uniq_path; utf8::encode $uniq;
2289
2290	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2291	if $uniq;
2292	}
2293
2294	delete $cf::MAP{$self->path};
2295
2296	$self->deactivate;
2297	$_->clear_links_to ($self) for values %cf::MAP;
2298	$self->clear;
2299		2463
2300	$self->unlink_save;	2464	$self->unlink_save;
2301	$self->destroy;	2465	$self->destroy;
2302	}	2466	}
2303		2467
…		…
2311		2475
2312	delete $cf::MAP{$self->path};	2476	delete $cf::MAP{$self->path};
2313		2477
2314	$self->unlink_save;	2478	$self->unlink_save;
2315		2479
2316	bless $self, "cf::map";	2480	bless $self, "cf::map::wrap";
2317	delete $self->{deny_reset};	2481	delete $self->{deny_reset};
2318	$self->{deny_save} = 1;	2482	$self->{deny_save} = 1;
2319	$self->reset_timeout (1);	2483	$self->reset_timeout (1);
2320	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2484	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2321		2485
…		…
2370		2534
2371	sub unique_maps() {	2535	sub unique_maps() {
2372	[	2536	[
2373	map {	2537	map {
2374	utf8::decode $_;	2538	utf8::decode $_;
2375	/\.map$/	2539	s/\.map$//; # TODO future compatibility hack
		2540	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2541	? ()
2376	? normalise $_	2542	: normalise $_
2377	: ()
2378	} @{ aio_readdir $UNIQUEDIR or [] }	2543	} @{ aio_readdir $UNIQUEDIR or [] }
2379	]	2544	]
2380	}	2545	}
2381		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
2382	=back	2579	=back
2383		2580
2384	=head3 cf::object	2581	=head3 cf::object
2385		2582
2386	=cut	2583	=cut
…		…
2389		2586
2390	=over 4	2587	=over 4
2391		2588
2392	=item $ob->inv_recursive	2589	=item $ob->inv_recursive
2393		2590
2394	Returns the inventory of the object _and_ their inventories, recursively.	2591	Returns the inventory of the object I<and> their inventories, recursively,
		2592	but I<not> the object itself.
2395		2593
2396	=cut	2594	=cut
2397		2595
2398	sub inv_recursive_;	2596	sub inv_recursive_;
2399	sub inv_recursive_ {	2597	sub inv_recursive_ {
…		…
2404	inv_recursive_ inv $_[0]	2602	inv_recursive_ inv $_[0]
2405	}	2603	}
2406		2604
2407	=item $ref = $ob->ref	2605	=item $ref = $ob->ref
2408		2606
2409	creates and returns a persistent reference to an objetc that can be stored as a string.	2607	Creates and returns a persistent reference to an object that can be stored as a string.
2410		2608
2411	=item $ob = cf::object::deref ($refstring)	2609	=item $ob = cf::object::deref ($refstring)
2412		2610
2413	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2611	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2414	even if the object actually exists. May block.	2612	even if the object actually exists. May block.
…		…
2446	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
2447	dialogue with the given NPC character.	2645	dialogue with the given NPC character.
2448		2646
2449	=cut	2647	=cut
2450		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
2451	# rough implementation of a future "reply" method that works	2663	# rough implementation of a future "reply" method that works
2452	# with dialog boxes.	2664	# with dialog boxes.
2453	#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
2454	sub cf::object::player::reply($$$;$) {	2666	sub cf::object::player::reply($$$;$) {
2455	my ($self, $npc, $msg, $flags) = @_;	2667	my ($self, $npc, $msg, $flags) = @_;
…		…
2466	my $dialog = $pl->{npc_dialog};	2678	my $dialog = $pl->{npc_dialog};
2467	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2679	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2468		2680
2469	} else {	2681	} else {
2470	$msg = $npc->name . " says: $msg" if $npc;	2682	$msg = $npc->name . " says: $msg" if $npc;
2471	$self->message ($msg, $flags);	2683	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2472	}	2684	}
2473	}	2685	}
2474	}	2686	}
2475		2687
2476	=item $object->send_msg ($channel, $msg, $color, [extra...])	2688	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2501		2713
2502	=item $player_object->enter_link	2714	=item $player_object->enter_link
2503		2715
2504	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}>).
2505		2717
2506	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.
2507	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.
2508		2722
2509	Will never block.	2723	Will never block.
2510		2724
2511	=item $player_object->leave_link ($map, $x, $y)	2725	=item $player_object->leave_link ($map, $x, $y)
2512		2726
…		…
2532	sub cf::object::player::enter_link {	2746	sub cf::object::player::enter_link {
2533	my ($self) = @_;	2747	my ($self) = @_;
2534		2748
2535	$self->deactivate_recursive;	2749	$self->deactivate_recursive;
2536		2750
		2751	++$self->{_link_recursion};
		2752
2537	return if UNIVERSAL::isa $self->map, "ext::map_link";	2753	return if UNIVERSAL::isa $self->map, "ext::map_link";
2538		2754
2539	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2755	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2540	if $self->map && $self->map->{path} ne "{link}";	2756	if $self->map && $self->map->{path} ne "{link}";
2541		2757
2542	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2758	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2543	}	2759	}
2544		2760
2545	sub cf::object::player::leave_link {	2761	sub cf::object::player::leave_link {
2546	my ($self, $map, $x, $y) = @_;	2762	my ($self, $map, $x, $y) = @_;
2547		2763
…		…
2564	($x, $y) = (-1, -1)	2780	($x, $y) = (-1, -1)
2565	unless (defined $x) && (defined $y);	2781	unless (defined $x) && (defined $y);
2566		2782
2567	# use -1 or undef as default coordinates, not 0, 0	2783	# use -1 or undef as default coordinates, not 0, 0
2568	($x, $y) = ($map->enter_x, $map->enter_y)	2784	($x, $y) = ($map->enter_x, $map->enter_y)
2569	if $x <=0 && $y <= 0;	2785	if $x <= 0 && $y <= 0;
2570		2786
2571	$map->load;	2787	$map->load;
2572	$map->load_neighbours;
2573		2788
2574	return unless $self->contr->active;	2789	return unless $self->contr->active;
2575	$self->activate_recursive;
2576		2790
2577	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2791	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2578	$self->enter_map ($map, $x, $y);	2792	if ($self->enter_map ($map, $x, $y)) {
2579	}	2793	# entering was successful
		2794	delete $self->{_link_recursion};
		2795	# only activate afterwards, to support waiting in hooks
		2796	$self->activate_recursive;
		2797	}
2580		2798
		2799	}
		2800
2581	=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)]])
2582		2802
2583	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
2584	her, loading and preparing them map, calling the provided $check callback	2804	her, loading and preparing them map, calling the provided $check callback
2585	that has to return the map if sucecssful, and then unfreezes the player on	2805	that has to return the map if sucecssful, and then unfreezes the player on
2586	the new (success) or old (failed) map position. In either case, $done will	2806	the new (success) or old (failed) map position. In either case, $done will
2587	be called at the end of this process.	2807	be called at the end of this process.
2588		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
2589	=cut	2812	=cut
2590		2813
2591	our $GOTOGEN;	2814	our $GOTOGEN;
2592		2815
2593	sub cf::object::player::goto {	2816	sub cf::object::player::goto {
2594	my ($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	}
2595		2824
2596	# 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
2597	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2826	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2598		2827
2599	$self->enter_link;	2828	$self->enter_link;
…		…
2619	($path, $x, $y) = (undef, undef, undef);	2848	($path, $x, $y) = (undef, undef, undef);
2620	}	2849	}
2621	}	2850	}
2622		2851
2623	my $map = eval {	2852	my $map = eval {
2624	my $map = defined $path ? cf::map::find $path : undef;	2853	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2625		2854
2626	if ($map) {	2855	if ($map) {
2627	$map = $map->customise_for ($self);	2856	$map = $map->customise_for ($self);
2628	$map = $check->($map) if $check && $map;	2857	$map = $check->($map, $x, $y, $self) if $check && $map;
2629	} else {	2858	} else {
2630	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2859	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2631	}	2860	}
2632		2861
2633	$map	2862	$map
…		…
2641	if ($gen == $self->{_goto_generation}) {	2870	if ($gen == $self->{_goto_generation}) {
2642	delete $self->{_goto_generation};	2871	delete $self->{_goto_generation};
2643	$self->leave_link ($map, $x, $y);	2872	$self->leave_link ($map, $x, $y);
2644	}	2873	}
2645		2874
2646	$done->() if $done;	2875	$done->($self) if $done;
2647	})->prio (1);	2876	})->prio (1);
2648	}	2877	}
2649		2878
2650	=item $player_object->enter_exit ($exit_object)	2879	=item $player_object->enter_exit ($exit_object)
2651		2880
…		…
2671	}	2900	}
2672		2901
2673	sub prepare_random_map {	2902	sub prepare_random_map {
2674	my ($exit) = @_;	2903	my ($exit) = @_;
2675		2904
2676	my $guard = cf::lock_acquire "exit_prepare:$exit";
2677
2678	# all this does is basically replace the /! path by	2905	# all this does is basically replace the /! path by
2679	# a new random map path (?random/...) with a seed	2906	# a new random map path (?random/...) with a seed
2680	# that depends on the exit object	2907	# that depends on the exit object
2681		2908
2682	my $rmp = parse_random_map_params $exit->msg;	2909	my $rmp = parse_random_map_params $exit->msg;
…		…
2684	if ($exit->map) {	2911	if ($exit->map) {
2685	$rmp->{region} = $exit->region->name;	2912	$rmp->{region} = $exit->region->name;
2686	$rmp->{origin_map} = $exit->map->path;	2913	$rmp->{origin_map} = $exit->map->path;
2687	$rmp->{origin_x} = $exit->x;	2914	$rmp->{origin_x} = $exit->x;
2688	$rmp->{origin_y} = $exit->y;	2915	$rmp->{origin_y} = $exit->y;
		2916
		2917	$exit->map->touch;
2689	}	2918	}
2690		2919
2691	$rmp->{random_seed} ||= $exit->random_seed;	2920	$rmp->{random_seed} ||= $exit->random_seed;
2692		2921
2693	my $data = cf::encode_json $rmp;	2922	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2694	my $md5 = Digest::MD5::md5_hex $data;	2923	my $md5 = Digest::MD5::md5_hex $data;
2695	my $meta = "$RANDOMDIR/$md5.meta";	2924	my $meta = "$RANDOMDIR/$md5.meta";
2696		2925
2697	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2926	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2698	aio_write $fh, 0, (length $data), $data, 0;	2927	aio_write $fh, 0, (length $data), $data, 0;
2699	undef $fh;	2928	undef $fh;
2700	aio_rename "$meta~", $meta;	2929	aio_rename "$meta~", $meta;
2701		2930
		2931	my $slaying = "?random/$md5";
		2932
		2933	if ($exit->valid) {
2702	$exit->slaying ("?random/$md5");	2934	$exit->slaying ("?random/$md5");
2703	$exit->msg (undef);	2935	$exit->msg (undef);
		2936	}
2704	}	2937	}
2705	}	2938	}
2706		2939
2707	sub cf::object::player::enter_exit {	2940	sub cf::object::player::enter_exit {
2708	my ($self, $exit) = @_;	2941	my ($self, $exit) = @_;
2709		2942
2710	return unless $self->type == cf::PLAYER;	2943	return unless $self->type == cf::PLAYER;
2711		2944
2712	if ($exit->slaying eq "/!") {
2713	#TODO: this should de-fi-ni-te-ly not be a sync-job
2714	# the problem is that $exit might not survive long enough
2715	# so it needs to be done right now, right here
2716	cf::sync_job { prepare_random_map $exit };
2717	}
2718
2719	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2720	my $hp = $exit->stats->hp;
2721	my $sp = $exit->stats->sp;
2722
2723	$self->enter_link;	2945	$self->enter_link;
2724		2946
2725	# if exit is damned, update players death & WoR home-position
2726	$self->contr->savebed ($slaying, $hp, $sp)
2727	if $exit->flag (FLAG_DAMNED);
2728
2729	(async {	2947	(async {
2730	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2948	$Coro::current->{desc} = "enter_exit";
2731		2949
2732	$self->deactivate_recursive; # just to be sure
2733	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
2734	$self->goto ($slaying, $hp, $sp);	2980	$self->goto ($map, $x, $y);
2735		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
2736	1;	2986	1
2737	}) {	2987	}) {
2738	$self->message ("Something went wrong deep within the crossfire server. "	2988	$self->message ("Something went wrong deep within the deliantra server. "
2739	. "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. "
2740	. "Please report this to the dungeon master!",	2990	. "Please report this to the dungeon master!",
2741	cf::NDI_UNIQUE | cf::NDI_RED);	2991	cf::NDI_UNIQUE | cf::NDI_RED);
2742		2992
2743	warn "ERROR in enter_exit: $@";	2993	error "ERROR in enter_exit: $@";
2744	$self->leave_link;	2994	$self->leave_link;
2745	}	2995	}
2746	})->prio (1);	2996	})->prio (1);
2747	}	2997	}
2748		2998
…		…
2760	sub cf::client::send_drawinfo {	3010	sub cf::client::send_drawinfo {
2761	my ($self, $text, $flags) = @_;	3011	my ($self, $text, $flags) = @_;
2762		3012
2763	utf8::encode $text;	3013	utf8::encode $text;
2764	$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);
2765	}	3040	}
2766		3041
2767	=item $client->send_msg ($channel, $msg, $color, [extra...])	3042	=item $client->send_msg ($channel, $msg, $color, [extra...])
2768		3043
2769	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
…		…
2773		3048
2774	=cut	3049	=cut
2775		3050
2776	# non-persistent channels (usually the info channel)	3051	# non-persistent channels (usually the info channel)
2777	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	},
2778	"c/identify" => {	3059	"c/identify" => {
2779	id => "infobox",	3060	id => "infobox",
2780	title => "Identify",	3061	title => "Identify",
2781	reply => undef,	3062	reply => undef,
2782	tooltip => "Items recently identified",	3063	tooltip => "Items recently identified",
…		…
2784	"c/examine" => {	3065	"c/examine" => {
2785	id => "infobox",	3066	id => "infobox",
2786	title => "Examine",	3067	title => "Examine",
2787	reply => undef,	3068	reply => undef,
2788	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",
2789	},	3076	},
2790	"c/book" => {	3077	"c/book" => {
2791	id => "infobox",	3078	id => "infobox",
2792	title => "Book",	3079	title => "Book",
2793	reply => undef,	3080	reply => undef,
…		…
2809	id => "infobox",	3096	id => "infobox",
2810	title => "Body Parts",	3097	title => "Body Parts",
2811	reply => undef,	3098	reply => undef,
2812	tooltip => "Shows which body parts you posess and are available",	3099	tooltip => "Shows which body parts you posess and are available",
2813	},	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	},
2814	"c/uptime" => {	3137	"c/uptime" => {
2815	id => "infobox",	3138	id => "infobox",
2816	title => "Uptime",	3139	title => "Uptime",
2817	reply => undef,	3140	reply => undef,
2818	tooltip => "How long the server has been running since last restart",	3141	tooltip => "How long the server has been running since last restart",
…		…
2821	id => "infobox",	3144	id => "infobox",
2822	title => "Map Info",	3145	title => "Map Info",
2823	reply => undef,	3146	reply => undef,
2824	tooltip => "Information related to the maps",	3147	tooltip => "Information related to the maps",
2825	},	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" => $CHAT_CHANNEL,
2826	);	3163	);
2827		3164
2828	sub cf::client::send_msg {	3165	sub cf::client::send_msg {
2829	my ($self, $channel, $msg, $color, @extra) = @_;	3166	my ($self, $channel, $msg, $color, @extra) = @_;
2830		3167
2831	$msg = $self->pl->expand_cfpod ($msg);	3168	$msg = $self->pl->expand_cfpod ($msg)
		3169	unless $color & cf::NDI_VERBATIM;
2832		3170
2833	$color &= cf::NDI_CLIENT_MASK; # just in case...	3171	$color &= cf::NDI_CLIENT_MASK; # just in case...
2834		3172
2835	# check predefined channels, for the benefit of C	3173	# check predefined channels, for the benefit of C
2836	if ($CHANNEL{$channel}) {	3174	if ($CHANNEL{$channel}) {
2837	$channel = $CHANNEL{$channel};	3175	$channel = $CHANNEL{$channel};
2838		3176
2839	$self->ext_msg (channel_info => $channel)	3177	$self->ext_msg (channel_info => $channel);
2840	if $self->can_msg;
2841
2842	$channel = $channel->{id};	3178	$channel = $channel->{id};
2843		3179
2844	} elsif (ref $channel) {	3180	} elsif (ref $channel) {
2845	# send meta info to client, if not yet sent	3181	# send meta info to client, if not yet sent
2846	unless (exists $self->{channel}{$channel->{id}}) {	3182	unless (exists $self->{channel}{$channel->{id}}) {
2847	$self->{channel}{$channel->{id}} = $channel;	3183	$self->{channel}{$channel->{id}} = $channel;
2848	$self->ext_msg (channel_info => $channel)	3184	$self->ext_msg (channel_info => $channel);
2849	if $self->can_msg;
2850	}	3185	}
2851		3186
2852	$channel = $channel->{id};	3187	$channel = $channel->{id};
2853	}	3188	}
2854		3189
2855	return unless @extra || length $msg;	3190	return unless @extra || length $msg;
2856		3191
2857	if ($self->can_msg) {
2858	# default colour, mask it out	3192	# default colour, mask it out
2859	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3193	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2860	if $color & cf::NDI_DEF;	3194	if $color & cf::NDI_DEF;
2861		3195
2862	$self->send_packet ("msg " . $self->{json_coder}->encode (	3196	my $pkt = "msg "
		3197	. $self->{json_coder}->encode (
2863	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3198	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2864	} else {	3199	);
2865	if ($color >= 0) {
2866	# replace some tags by gcfclient-compatible ones
2867	for ($msg) {
2868	1 while
2869	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2870	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2871	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2872	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2873	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2874	}
2875		3200
2876	$color &= cf::NDI_COLOR_MASK;	3201	$self->send_big_packet ($pkt);
2877
2878	utf8::encode $msg;
2879
2880	if (0 && $msg =~ /\[/) {
2881	# COMMAND/INFO
2882	$self->send_packet ("drawextinfo $color 10 8 $msg")
2883	} else {
2884	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2885	$self->send_packet ("drawinfo $color $msg")
2886	}
2887	}
2888	}
2889	}	3202	}
2890		3203
2891	=item $client->ext_msg ($type, @msg)	3204	=item $client->ext_msg ($type, @msg)
2892		3205
2893	Sends an ext event to the client.	3206	Sends an ext event to the client.
…		…
2896		3209
2897	sub cf::client::ext_msg($$@) {	3210	sub cf::client::ext_msg($$@) {
2898	my ($self, $type, @msg) = @_;	3211	my ($self, $type, @msg) = @_;
2899		3212
2900	if ($self->extcmd == 2) {	3213	if ($self->extcmd == 2) {
2901	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3214	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2902	} elsif ($self->extcmd == 1) { # TODO: remove	3215	} elsif ($self->extcmd == 1) { # TODO: remove
2903	push @msg, msgtype => "event_$type";	3216	push @msg, msgtype => "event_$type";
2904	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3217	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2905	}	3218	}
2906	}	3219	}
2907		3220
2908	=item $client->ext_reply ($msgid, @msg)	3221	=item $client->ext_reply ($msgid, @msg)
2909		3222
…		…
2912	=cut	3225	=cut
2913		3226
2914	sub cf::client::ext_reply($$@) {	3227	sub cf::client::ext_reply($$@) {
2915	my ($self, $id, @msg) = @_;	3228	my ($self, $id, @msg) = @_;
2916		3229
2917	if ($self->extcmd == 2) {	3230	return unless $self->extcmd == 2;
		3231
2918	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3232	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2919	} elsif ($self->extcmd == 1) {
2920	#TODO: version 1, remove
2921	unshift @msg, msgtype => "reply", msgid => $id;
2922	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2923	}
2924	}	3233	}
2925		3234
2926	=item $success = $client->query ($flags, "text", \&cb)	3235	=item $success = $client->query ($flags, "text", \&cb)
2927		3236
2928	Queues a query to the client, calling the given callback with	3237	Queues a query to the client, calling the given callback with
…		…
2983	my ($ns, $buf) = @_;	3292	my ($ns, $buf) = @_;
2984		3293
2985	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3294	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2986		3295
2987	if (ref $msg) {	3296	if (ref $msg) {
2988	my ($type, $reply, @payload) =	3297	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2989	"ARRAY" eq ref $msg
2990	? @$msg
2991	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2992		3298
2993	my @reply;	3299	my @reply;
2994		3300
2995	if (my $cb = $EXTICMD{$type}) {	3301	if (my $cb = $EXTICMD{$type}) {
2996	@reply = $cb->($ns, @payload);	3302	@reply = $cb->($ns, @payload);
…		…
2998		3304
2999	$ns->ext_reply ($reply, @reply)	3305	$ns->ext_reply ($reply, @reply)
3000	if $reply;	3306	if $reply;
3001		3307
3002	} else {	3308	} else {
3003	warn "client " . ($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";
3004	}	3310	}
3005		3311
3006	cf::override;	3312	cf::override;
3007	},	3313	},
3008	);	3314	);
…		…
3028		3334
3029	$coro	3335	$coro
3030	}	3336	}
3031		3337
3032	cf::client->attach (	3338	cf::client->attach (
3033	on_destroy => sub {	3339	on_client_destroy => sub {
3034	my ($ns) = @_;	3340	my ($ns) = @_;
3035		3341
3036	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3342	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3037	},	3343	},
3038	);	3344	);
…		…
3054	our $safe_hole = new Safe::Hole;	3360	our $safe_hole = new Safe::Hole;
3055		3361
3056	$SIG{FPE} = 'IGNORE';	3362	$SIG{FPE} = 'IGNORE';
3057		3363
3058	$safe->permit_only (Opcode::opset qw(	3364	$safe->permit_only (Opcode::opset qw(
3059	:base_core :base_mem :base_orig :base_math	3365	:base_core :base_mem :base_orig :base_math :base_loop
3060	grepstart grepwhile mapstart mapwhile	3366	grepstart grepwhile mapstart mapwhile
3061	sort time	3367	sort time
3062	));	3368	));
3063		3369
3064	# here we export the classes and methods available to script code	3370	# here we export the classes and methods available to script code
…		…
3067		3373
3068	The following functions and methods are available within a safe environment:	3374	The following functions and methods are available within a safe environment:
3069		3375
3070	cf::object	3376	cf::object
3071	contr pay_amount pay_player map x y force_find force_add destroy	3377	contr pay_amount pay_player map x y force_find force_add destroy
3072	insert remove name archname title slaying race decrease_ob_nr	3378	insert remove name archname title slaying race decrease split
		3379	value
3073		3380
3074	cf::object::player	3381	cf::object::player
3075	player	3382	player
3076		3383
3077	cf::player	3384	cf::player
…		…
3082		3389
3083	=cut	3390	=cut
3084		3391
3085	for (	3392	for (
3086	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3393	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3087	insert remove inv name archname title slaying race	3394	insert remove inv nrof name archname title slaying race
3088	decrease_ob_nr destroy)],	3395	decrease split destroy change_exp value msg lore send_msg)],
3089	["cf::object::player" => qw(player)],	3396	["cf::object::player" => qw(player)],
3090	["cf::player" => qw(peaceful)],	3397	["cf::player" => qw(peaceful send_msg)],
3091	["cf::map" => qw(trigger)],	3398	["cf::map" => qw(trigger)],
3092	) {	3399	) {
3093	no strict 'refs';
3094	my ($pkg, @funs) = @$_;	3400	my ($pkg, @funs) = @$_;
3095	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3401	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3096	for @funs;	3402	for @funs;
3097	}	3403	}
3098		3404
…		…
3113		3419
3114	my $qcode = $code;	3420	my $qcode = $code;
3115	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3421	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3116	$qcode =~ s/\n/\\n/g;	3422	$qcode =~ s/\n/\\n/g;
3117		3423
		3424	%vars = (_dummy => 0) unless %vars;
		3425
		3426	my @res;
3118	local $_;	3427	local $_;
3119	local @safe::cf::_safe_eval_args = values %vars;
3120		3428
3121	my $eval =	3429	my $eval =
3122	"do {\n"	3430	"do {\n"
3123	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3431	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3124	. "#line 0 \"{$qcode}\"\n"	3432	. "#line 0 \"{$qcode}\"\n"
3125	. $code	3433	. $code
3126	. "\n}"	3434	. "\n}"
3127	;	3435	;
3128		3436
		3437	if ($CFG{safe_eval}) {
3129	sub_generation_inc;	3438	sub_generation_inc;
		3439	local @safe::cf::_safe_eval_args = values %vars;
3130	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3440	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3131	sub_generation_inc;	3441	sub_generation_inc;
		3442	} else {
		3443	local @cf::_safe_eval_args = values %vars;
		3444	@res = wantarray ? eval eval : scalar eval $eval;
		3445	}
3132		3446
3133	if ($@) {	3447	if ($@) {
3134	warn "$@";	3448	warn "$@",
3135	warn "while executing safe code '$code'\n";	3449	"while executing safe code '$code'\n",
3136	warn "with arguments " . (join " ", %vars) . "\n";	3450	"with arguments " . (join " ", %vars) . "\n";
3137	}	3451	}
3138		3452
3139	wantarray ? @res : $res[0]	3453	wantarray ? @res : $res[0]
3140	}	3454	}
3141		3455
…		…
3155	=cut	3469	=cut
3156		3470
3157	sub register_script_function {	3471	sub register_script_function {
3158	my ($fun, $cb) = @_;	3472	my ($fun, $cb) = @_;
3159		3473
3160	no strict 'refs';	3474	$fun = "safe::$fun" if $CFG{safe_eval};
3161	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3475	*$fun = $safe_hole->wrap ($cb);
3162	}	3476	}
3163		3477
3164	=back	3478	=back
3165		3479
3166	=cut	3480	=cut
…		…
3175	# for this (global event?)	3489	# for this (global event?)
3176	%ext::player_env::MUSIC_FACE_CACHE = ();	3490	%ext::player_env::MUSIC_FACE_CACHE = ();
3177		3491
3178	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3492	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3179		3493
3180	warn "loading facedata from $path\n";	3494	trace "loading facedata from $path\n";
3181		3495
3182	my $facedata;	3496	my $facedata = decode_storable load_file $path;
3183	0 < aio_load $path, $facedata
3184	or die "$path: $!";
3185
3186	$facedata = Coro::Storable::thaw $facedata;
3187		3497
3188	$facedata->{version} == 2	3498	$facedata->{version} == 2
3189	or cf::cleanup "$path: version mismatch, cannot proceed.";	3499	or cf::cleanup "$path: version mismatch, cannot proceed.";
3190		3500
3191	# 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]);
3192	$facedata->{resource}{"res/exp_table"} = {	3503	$facedata->{resource}{"res/exp_table"} = {
3193	type => FT_RSRC,	3504	type => FT_RSRC,
3194	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),
3195	};	3507	};
3196	cf::cede_to_tick;	3508	cf::cede_to_tick;
3197		3509
3198	{	3510	{
3199	my $faces = $facedata->{faceinfo};	3511	my $faces = $facedata->{faceinfo};
…		…
3201	while (my ($face, $info) = each %$faces) {	3513	while (my ($face, $info) = each %$faces) {
3202	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3514	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3203		3515
3204	cf::face::set_visibility $idx, $info->{visibility};	3516	cf::face::set_visibility $idx, $info->{visibility};
3205	cf::face::set_magicmap $idx, $info->{magicmap};	3517	cf::face::set_magicmap $idx, $info->{magicmap};
3206	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3518	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3207	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} , $info->{glyph} ;
3208		3521
3209	cf::cede_to_tick;	3522	cf::cede_to_tick;
3210	}	3523	}
3211		3524
3212	while (my ($face, $info) = each %$faces) {	3525	while (my ($face, $info) = each %$faces) {
…		…
3217		3530
3218	if (my $smooth = cf::face::find $info->{smooth}) {	3531	if (my $smooth = cf::face::find $info->{smooth}) {
3219	cf::face::set_smooth $idx, $smooth;	3532	cf::face::set_smooth $idx, $smooth;
3220	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3533	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3221	} else {	3534	} else {
3222	warn "smooth face '$info->{smooth}' not found for face '$face'";	3535	error "smooth face '$info->{smooth}' not found for face '$face'";
3223	}	3536	}
3224		3537
3225	cf::cede_to_tick;	3538	cf::cede_to_tick;
3226	}	3539	}
3227	}	3540	}
…		…
3236		3549
3237	cf::anim::invalidate_all; # d'oh	3550	cf::anim::invalidate_all; # d'oh
3238	}	3551	}
3239		3552
3240	{	3553	{
3241	# TODO: for gcfclient pleasure, we should give resources
3242	# that gcfclient doesn't grok a >10000 face index.
3243	my $res = $facedata->{resource};	3554	my $res = $facedata->{resource};
3244		3555
3245	while (my ($name, $info) = each %$res) {	3556	while (my ($name, $info) = each %$res) {
3246	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
3247	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3559	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3248	my $data;
3249		3560
3250	if ($info->{type} & 1) {	3561	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3251	# prepend meta info
3252
3253	my $meta = $enc->encode ({
3254	name => $name,
3255	%{ $info->{meta} || {} },
3256	});
3257
3258	$data = pack "(w/a*)*", $meta, $info->{data};
3259	} else {
3260	$data = $info->{data};
3261	}
3262
3263	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3264	cf::face::set_type $idx, $info->{type};	3562	cf::face::set_type $idx, $type;
		3563	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
3265	} else {	3564	} else {
3266	$RESOURCE{$name} = $info;	3565	# $RESOURCE{$name} = $info; # unused
3267	}	3566	}
3268		3567
3269	cf::cede_to_tick;	3568	cf::cede_to_tick;
3270	}	3569	}
3271	}	3570	}
3272		3571
3273	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3572	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3274		3573
3275	1	3574	1
3276	}	3575	}
3277
3278	cf::global->attach (on_resource_update => sub {
3279	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3280	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3281
3282	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3283	my $sound = $soundconf->{compat}[$_]
3284	or next;
3285
3286	my $face = cf::face::find "sound/$sound->[1]";
3287	cf::sound::set $sound->[0] => $face;
3288	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3289	}
3290
3291	while (my ($k, $v) = each %{$soundconf->{event}}) {
3292	my $face = cf::face::find "sound/$v";
3293	cf::sound::set $k => $face;
3294	}
3295	}
3296	});
3297		3576
3298	register_exticmd fx_want => sub {	3577	register_exticmd fx_want => sub {
3299	my ($ns, $want) = @_;	3578	my ($ns, $want) = @_;
3300		3579
3301	while (my ($k, $v) = each %$want) {	3580	while (my ($k, $v) = each %$want) {
3302	$ns->fx_want ($k, $v);	3581	$ns->fx_want ($k, $v);
3303	}	3582	}
3304	};	3583	};
		3584
		3585	sub load_resource_file($) {
		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	$status
		3593	}
3305		3594
3306	sub reload_regions {	3595	sub reload_regions {
3307	# HACK to clear player env face cache, we need some signal framework	3596	# HACK to clear player env face cache, we need some signal framework
3308	# for this (global event?)	3597	# for this (global event?)
3309	%ext::player_env::MUSIC_FACE_CACHE = ();	3598	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3323	}	3612	}
3324		3613
3325	sub reload_archetypes {	3614	sub reload_archetypes {
3326	load_resource_file "$DATADIR/archetypes"	3615	load_resource_file "$DATADIR/archetypes"
3327	or die "unable to load archetypes\n";	3616	or die "unable to load archetypes\n";
3328	#d# NEED to laod twice to resolve forward references
3329	# this really needs to be done in an extra post-pass
3330	# (which needs to be synchronous, so solve it differently)
3331	load_resource_file "$DATADIR/archetypes"
3332	or die "unable to load archetypes\n";
3333	}	3617	}
3334		3618
3335	sub reload_treasures {	3619	sub reload_treasures {
3336	load_resource_file "$DATADIR/treasures"	3620	load_resource_file "$DATADIR/treasures"
3337	or die "unable to load treasurelists\n";	3621	or die "unable to load treasurelists\n";
3338	}	3622	}
3339		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
3340	sub reload_resources {	3644	sub reload_resources {
3341	warn "reloading resource files...\n";	3645	trace "reloading resource files...\n";
3342		3646
		3647	reload_exp_table;
		3648	reload_materials;
		3649	reload_facedata;
		3650	reload_sound;
		3651	reload_archetypes;
3343	reload_regions;	3652	reload_regions;
3344	reload_facedata;
3345	#reload_archetypes;#d#
3346	reload_archetypes;
3347	reload_treasures;	3653	reload_treasures;
3348		3654
3349	warn "finished reloading resource files\n";	3655	trace "finished reloading resource files\n";
3350	}
3351
3352	sub init {
3353	reload_resources;
3354	}	3656	}
3355		3657
3356	sub reload_config {	3658	sub reload_config {
3357	open my $fh, "<:utf8", "$CONFDIR/config"	3659	trace "reloading config file...\n";
3358	or return;
3359		3660
3360	local $/;	3661	my $config = load_file "$CONFDIR/config";
3361	*CFG = YAML::Load <$fh>;	3662	utf8::decode $config;
		3663	*CFG = decode_yaml $config;
3362		3664
3363	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3665	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3364		3666
3365	$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};
3366	$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};
3367		3669
3368	if (exists $CFG{mlockall}) {	3670	if (exists $CFG{mlockall}) {
…		…
3372	};	3674	};
3373	warn $@ if $@;	3675	warn $@ if $@;
3374	}	3676	}
3375	}	3677	}
3376		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
3377	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
3378	# we must not ever block the main coroutine	3717	# we must not ever block the main coroutine
3379	local $Coro::idle = sub {	3718	local $Coro::idle = sub {
3380	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#
3381	(async {	3720	(async {
3382	$Coro::current->{desc} = "IDLE BUG HANDLER";	3721	$Coro::current->{desc} = "IDLE BUG HANDLER";
3383	EV::loop EV::LOOP_ONESHOT;	3722	EV::loop EV::LOOP_ONESHOT;
3384	})->prio (Coro::PRIO_MAX);	3723	})->prio (Coro::PRIO_MAX);
3385	};	3724	};
3386		3725
3387	reload_config;
3388	db_init;
3389	load_extensions;
3390
3391	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3392	evthread_start IO::AIO::poll_fileno;	3726	evthread_start IO::AIO::poll_fileno;
3393	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;
3394	}	3768	}
3395		3769
3396	#############################################################################	3770	#############################################################################
3397	# initialisation and cleanup	3771	# initialisation and cleanup
3398		3772
3399	# install some emergency cleanup handlers	3773	# install some emergency cleanup handlers
3400	BEGIN {	3774	BEGIN {
3401	our %SIGWATCHER = ();	3775	our %SIGWATCHER = ();
3402	for my $signal (qw(INT HUP TERM)) {	3776	for my $signal (qw(INT HUP TERM)) {
3403	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3777	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3404	cf::cleanup "SIG$signal";	3778	cf::cleanup "SIG$signal";
3405	};	3779	};
3406	}	3780	}
3407	}	3781	}
3408		3782
3409	sub write_runtime_sync {	3783	sub write_runtime_sync {
3410	my $runtime = "$LOCALDIR/runtime";	3784	my $t0 = AE::time;
3411		3785
3412	# first touch the runtime file to show we are still running:	3786	# first touch the runtime file to show we are still running:
3413	# the fsync below can take a very very long time.	3787	# the fsync below can take a very very long time.
3414		3788
3415	IO::AIO::aio_utime $runtime, undef, undef;	3789	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3416		3790
3417	my $guard = cf::lock_acquire "write_runtime";	3791	my $guard = cf::lock_acquire "write_runtime";
3418		3792
3419	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3793	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3420	or return;	3794	or return;
3421		3795
3422	my $value = $cf::RUNTIME + 90 + 10;	3796	my $value = $cf::RUNTIME + 90 + 10;
3423	# 10 is the runtime save interval, for a monotonic clock	3797	# 10 is the runtime save interval, for a monotonic clock
3424	# 60 allows for the watchdog to kill the server.	3798	# 60 allows for the watchdog to kill the server.
…		…
3434	aio_utime $fh, undef, undef;	3808	aio_utime $fh, undef, undef;
3435		3809
3436	close $fh	3810	close $fh
3437	or return;	3811	or return;
3438		3812
3439	aio_rename "$runtime~", $runtime	3813	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3440	and return;	3814	and return;
3441		3815
3442	warn "runtime file written.\n";	3816	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3443		3817
3444	1	3818	1
3445	}	3819	}
3446		3820
3447	our $uuid_lock;	3821	our $uuid_lock;
…		…
3456	my $uuid = "$LOCALDIR/uuid";	3830	my $uuid = "$LOCALDIR/uuid";
3457		3831
3458	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3832	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3459	or return;	3833	or return;
3460		3834
3461	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;
3462	$uuid_skip = 0;	3843	$uuid_skip = 0;
3463		3844
3464	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3845	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3465	and return;	3846	and return;
3466		3847
…		…
3472	or return;	3853	or return;
3473		3854
3474	aio_rename "$uuid~", $uuid	3855	aio_rename "$uuid~", $uuid
3475	and return;	3856	and return;
3476		3857
3477	warn "uuid file written ($value).\n";	3858	trace "uuid file written ($value).\n";
3478		3859
3479	1	3860	1
3480		3861
3481	}	3862	}
3482		3863
…		…
3488	}	3869	}
3489		3870
3490	sub emergency_save() {	3871	sub emergency_save() {
3491	my $freeze_guard = cf::freeze_mainloop;	3872	my $freeze_guard = cf::freeze_mainloop;
3492		3873
3493	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;
3494		3880
3495	cf::sync_job {	3881	cf::sync_job {
		3882	cf::write_runtime_sync; # external watchdog should not bark
		3883
3496	# use a peculiar iteration method to avoid tripping on perl	3884	# use a peculiar iteration method to avoid tripping on perl
3497	# refcount bugs in for. also avoids problems with players	3885	# refcount bugs in for. also avoids problems with players
3498	# and maps saved/destroyed asynchronously.	3886	# and maps saved/destroyed asynchronously.
3499	warn "begin emergency player save\n";	3887	info "emergency_perl_save: begin player save\n";
3500	for my $login (keys %cf::PLAYER) {	3888	for my $login (keys %cf::PLAYER) {
3501	my $pl = $cf::PLAYER{$login} or next;	3889	my $pl = $cf::PLAYER{$login} or next;
3502	$pl->valid or next;	3890	$pl->valid or next;
3503	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3891	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3504	$pl->save;	3892	$pl->save;
3505	}	3893	}
3506	warn "end emergency player save\n";	3894	info "emergency_perl_save: end player save\n";
3507		3895
3508	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";
3509	for my $path (keys %cf::MAP) {	3899	for my $path (keys %cf::MAP) {
3510	my $map = $cf::MAP{$path} or next;	3900	my $map = $cf::MAP{$path} or next;
3511	$map->valid or next;	3901	$map->valid or next;
3512	$map->save;	3902	$map->save;
3513	}	3903	}
3514	warn "end emergency map save\n";	3904	info "emergency_perl_save: end map save\n";
3515		3905
3516	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";
3517	BDB::db_env_txn_checkpoint $DB_ENV;	3909	BDB::db_env_txn_checkpoint $DB_ENV;
3518	warn "end emergency database checkpoint\n";	3910	info "emergency_perl_save: end database checkpoint\n";
3519		3911
3520	warn "begin write uuid\n";	3912	info "emergency_perl_save: begin write uuid\n";
3521	write_uuid_sync 1;	3913	write_uuid_sync 1;
3522	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
3523	};	3934	};
3524		3935
3525	warn "leave emergency perl save\n";	3936	info "emergency_perl_save: leave\n";
3526	}	3937	}
3527		3938
3528	sub post_cleanup {	3939	sub post_cleanup {
3529	my ($make_core) = @_;	3940	my ($make_core) = @_;
3530		3941
		3942	IO::AIO::flush;
		3943
3531	warn Carp::longmess "post_cleanup backtrace"	3944	error Carp::longmess "post_cleanup backtrace"
3532	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	}
3533	}	3974	}
3534		3975
3535	sub do_reload_perl() {	3976	sub do_reload_perl() {
3536	# can/must only be called in main	3977	# can/must only be called in main
3537	if ($Coro::current != $Coro::main) {	3978	unless (in_main) {
3538	warn "can only reload from main coroutine";	3979	error "can only reload from main coroutine";
3539	return;	3980	return;
3540	}	3981	}
3541		3982
3542	warn "reloading...";	3983	return if $RELOAD++;
3543		3984
3544	warn "entering sync_job";	3985	my $t1 = AE::time;
3545		3986
		3987	while ($RELOAD) {
		3988	cf::get_slot 0.1, -1, "reload_perl";
		3989	info "perl_reload: reloading...";
		3990
		3991	trace "perl_reload: entering sync_job";
		3992
3546	cf::sync_job {	3993	cf::sync_job {
3547	cf::write_runtime_sync; # external watchdog should not bark
3548	cf::emergency_save;	3994	#cf::emergency_save;
3549	cf::write_runtime_sync; # external watchdog should not bark
3550		3995
3551	warn "syncing database to disk";
3552	BDB::db_env_txn_checkpoint $DB_ENV;
3553
3554	# if anything goes wrong in here, we should simply crash as we already saved
3555
3556	warn "flushing outstanding aio requests";
3557	for (;;) {
3558	BDB::flush;
3559	IO::AIO::flush;
3560	Coro::cede_notself;
3561	last unless IO::AIO::nreqs || BDB::nreqs;
3562	warn "iterate...";
3563	}
3564
3565	++$RELOAD;
3566
3567	warn "cancelling all extension coros";	3996	trace "perl_reload: cancelling all extension coros";
3568	$_->cancel for values %EXT_CORO;	3997	$_->cancel for values %EXT_CORO;
3569	%EXT_CORO = ();	3998	%EXT_CORO = ();
3570		3999
3571	warn "removing commands";	4000	trace "perl_reload: removing commands";
3572	%COMMAND = ();	4001	%COMMAND = ();
3573		4002
3574	warn "removing ext/exti commands";	4003	trace "perl_reload: removing ext/exti commands";
3575	%EXTCMD = ();	4004	%EXTCMD = ();
3576	%EXTICMD = ();	4005	%EXTICMD = ();
3577		4006
3578	warn "unloading/nuking all extensions";	4007	trace "perl_reload: unloading/nuking all extensions";
3579	for my $pkg (@EXTS) {	4008	for my $pkg (@EXTS) {
3580	warn "... unloading $pkg";	4009	trace "... unloading $pkg";
3581		4010
3582	if (my $cb = $pkg->can ("unload")) {	4011	if (my $cb = $pkg->can ("unload")) {
3583	eval {	4012	eval {
3584	$cb->($pkg);	4013	$cb->($pkg);
3585	1	4014	1
3586	} 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;
3587	}	4020	}
3588		4021
3589	warn "... nuking $pkg";
3590	Symbol::delete_package $pkg;
3591	}
3592
3593	warn "unloading all perl modules loaded from $LIBDIR";	4022	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3594	while (my ($k, $v) = each %INC) {	4023	while (my ($k, $v) = each %INC) {
3595	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4024	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3596		4025
3597	warn "... unloading $k";	4026	trace "... unloading $k";
3598	delete $INC{$k};	4027	delete $INC{$k};
3599		4028
3600	$k =~ s/\.pm$//;	4029	$k =~ s/\.pm$//;
3601	$k =~ s/\//::/g;	4030	$k =~ s/\//::/g;
3602		4031
3603	if (my $cb = $k->can ("unload_module")) {	4032	if (my $cb = $k->can ("unload_module")) {
3604	$cb->();	4033	$cb->();
		4034	}
		4035
		4036	clear_package $k;
3605	}	4037	}
3606		4038
3607	Symbol::delete_package $k;
3608	}
3609
3610	warn "getting rid of safe::, as good as possible";	4039	trace "perl_reload: getting rid of safe::, as good as possible";
3611	Symbol::delete_package "safe::$_"	4040	clear_package "safe::$_"
3612	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);
3613		4042
3614	warn "unloading cf.pm \"a bit\"";	4043	trace "perl_reload: unloading cf.pm \"a bit\"";
3615	delete $INC{"cf.pm"};	4044	delete $INC{"cf.pm"};
3616	delete $INC{"cf/pod.pm"};	4045	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3617		4046
3618	# don't, removes xs symbols, too,	4047	# don't, removes xs symbols, too,
3619	# and global variables created in xs	4048	# and global variables created in xs
3620	#Symbol::delete_package __PACKAGE__;	4049	#clear_package __PACKAGE__;
3621		4050
3622	warn "unload completed, starting to reload now";	4051	info "perl_reload: unload completed, starting to reload now";
3623		4052
3624	warn "reloading cf.pm";	4053	trace "perl_reload: reloading cf.pm";
3625	require cf;	4054	require cf;
3626	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4055	cf::_connect_to_perl_1;
3627		4056
3628	warn "loading config and database again";	4057	trace "perl_reload: loading config and database again";
3629	cf::reload_config;	4058	cf::reload_config;
3630		4059
3631	warn "loading extensions";	4060	trace "perl_reload: loading extensions";
3632	cf::load_extensions;	4061	cf::load_extensions;
3633		4062
		4063	if ($REATTACH_ON_RELOAD) {
3634	warn "reattaching attachments to objects/players";	4064	trace "perl_reload: reattaching attachments to objects/players";
3635	_global_reattach; # objects, sockets	4065	_global_reattach; # objects, sockets
3636	warn "reattaching attachments to maps";	4066	trace "perl_reload: reattaching attachments to maps";
3637	reattach $_ for values %MAP;	4067	reattach $_ for values %MAP;
3638	warn "reattaching attachments to players";	4068	trace "perl_reload: reattaching attachments to players";
3639	reattach $_ for values %PLAYER;	4069	reattach $_ for values %PLAYER;
		4070	}
3640		4071
3641	warn "leaving sync_job";	4072	cf::_post_init 1;
3642		4073
		4074	trace "perl_reload: leaving sync_job";
		4075
3643	1	4076	1
3644	} or do {	4077	} or do {
3645	warn $@;	4078	error $@;
3646	cf::cleanup "error while reloading, exiting.";	4079	cf::cleanup "perl_reload: error, exiting.";
		4080	};
		4081
		4082	--$RELOAD;
3647	};	4083	}
3648		4084
3649	warn "reloaded";	4085	$t1 = AE::time - $t1;
		4086	info "perl_reload: completed in ${t1}s\n";
3650	};	4087	};
3651		4088
3652	our $RELOAD_WATCHER; # used only during reload	4089	our $RELOAD_WATCHER; # used only during reload
3653		4090
3654	sub reload_perl() {	4091	sub reload_perl() {
3655	# doing reload synchronously and two reloads happen back-to-back,	4092	# doing reload synchronously and two reloads happen back-to-back,
3656	# coro crashes during coro_state_free->destroy here.	4093	# coro crashes during coro_state_free->destroy here.
3657		4094
		4095	$RELOAD_WATCHER ||= cf::async {
		4096	Coro::AIO::aio_wait cache_extensions;
		4097
3658	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4098	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3659	do_reload_perl;	4099	do_reload_perl;
3660	undef $RELOAD_WATCHER;	4100	undef $RELOAD_WATCHER;
		4101	};
3661	};	4102	};
3662	}	4103	}
3663		4104
3664	register_command "reload" => sub {	4105	register_command "reload" => sub {
3665	my ($who, $arg) = @_;	4106	my ($who, $arg) = @_;
…		…
3671	reload_perl;	4112	reload_perl;
3672	};	4113	};
3673	}	4114	}
3674	};	4115	};
3675		4116
3676	unshift @INC, $LIBDIR;	4117	#############################################################################
3677		4118
3678	my $bug_warning = 0;	4119	my $bug_warning = 0;
3679		4120
3680	our @WAIT_FOR_TICK;
3681	our @WAIT_FOR_TICK_BEGIN;
3682
3683	sub wait_for_tick {	4121	sub wait_for_tick() {
3684	return if tick_inhibit;	4122	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3685	return if $Coro::current == $Coro::main;
3686		4123
3687	my $signal = new Coro::Signal;	4124	$WAIT_FOR_TICK->wait;
3688	push @WAIT_FOR_TICK, $signal;
3689	$signal->wait;
3690	}	4125	}
3691		4126
3692	sub wait_for_tick_begin {	4127	sub wait_for_tick_begin() {
3693	return if tick_inhibit;	4128	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3694	return if $Coro::current == $Coro::main;
3695		4129
3696	my $signal = new Coro::Signal;	4130	my $signal = new Coro::Signal;
3697	push @WAIT_FOR_TICK_BEGIN, $signal;	4131	push @WAIT_FOR_TICK_BEGIN, $signal;
3698	$signal->wait;	4132	$signal->wait;
3699	}	4133	}
…		…
3703	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4137	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3704	unless ++$bug_warning > 10;	4138	unless ++$bug_warning > 10;
3705	return;	4139	return;
3706	}	4140	}
3707		4141
3708	cf::server_tick; # one server iteration	4142	cf::one_tick; # one server iteration
		4143
		4144	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3709		4145
3710	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3711	$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.;
3712	Coro::async_pool {	4148	Coro::async_pool {
3713	$Coro::current->{desc} = "runtime saver";	4149	$Coro::current->{desc} = "runtime saver";
3714	write_runtime_sync	4150	write_runtime_sync
3715	or warn "ERROR: unable to write runtime file: $!";	4151	or error "ERROR: unable to write runtime file: $!";
3716	};	4152	};
3717	}	4153	}
3718		4154
3719	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4155	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3720	$sig->send;	4156	$sig->send;
3721	}	4157	}
3722	while (my $sig = shift @WAIT_FOR_TICK) {	4158	$WAIT_FOR_TICK->broadcast;
3723	$sig->send;
3724	}
3725		4159
3726	$LOAD = ($NOW - $TICK_START) / $TICK;	4160	$LOAD = ($NOW - $TICK_START) / $TICK;
3727	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4161	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3728		4162
3729	if (0) {	4163	if (0) {
3730	if ($NEXT_TICK) {	4164	if ($NEXT_TICK) {
3731	my $jitter = $TICK_START - $NEXT_TICK;	4165	my $jitter = $TICK_START - $NEXT_TICK;
3732	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4166	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3733	warn "jitter $JITTER\n";#d#	4167	debug "jitter $JITTER\n";#d#
3734	}	4168	}
3735	}	4169	}
3736	}	4170	}
3737		4171
3738	{	4172	{
3739	# configure BDB	4173	# configure BDB
3740		4174
3741	BDB::min_parallel 8;	4175	BDB::min_parallel 16;
3742	BDB::max_poll_reqs $TICK * 0.1;	4176	BDB::max_poll_reqs $TICK * 0.1;
3743	$Coro::BDB::WATCHER->priority (1);	4177	#$AnyEvent::BDB::WATCHER->priority (1);
3744		4178
3745	unless ($DB_ENV) {	4179	unless ($DB_ENV) {
3746	$DB_ENV = BDB::db_env_create;	4180	$DB_ENV = BDB::db_env_create;
3747	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4181	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3748	| 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;
3749	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4184	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3750	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4185	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3751		4186
3752	cf::sync_job {	4187	cf::sync_job {
3753	eval {	4188	eval {
…		…
3779	{	4214	{
3780	# configure IO::AIO	4215	# configure IO::AIO
3781		4216
3782	IO::AIO::min_parallel 8;	4217	IO::AIO::min_parallel 8;
3783	IO::AIO::max_poll_time $TICK * 0.1;	4218	IO::AIO::max_poll_time $TICK * 0.1;
3784	$Coro::AIO::WATCHER->priority (1);	4219	undef $AnyEvent::AIO::WATCHER;
3785	}	4220	}
3786		4221
3787	my $_log_backtrace;	4222	our $_log_backtrace;
		4223	our $_log_backtrace_last;
3788		4224
3789	sub _log_backtrace {	4225	sub _log_backtrace {
3790	my ($msg, @addr) = @_;	4226	my ($msg, @addr) = @_;
3791		4227
3792	$msg =~ s/\n//;	4228	$msg =~ s/\n$//;
3793		4229
		4230	if ($_log_backtrace_last eq $msg) {
		4231	LOG llevInfo, "[ABT] $msg\n";
		4232	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3794	# limit the # of concurrent backtraces	4233	# limit the # of concurrent backtraces
3795	if ($_log_backtrace < 2) {	4234	} elsif ($_log_backtrace < 2) {
		4235	$_log_backtrace_last = $msg;
3796	++$_log_backtrace;	4236	++$_log_backtrace;
		4237	my $perl_bt = Carp::longmess $msg;
3797	async {	4238	async {
3798	$Coro::current->{desc} = "abt $msg";	4239	$Coro::current->{desc} = "abt $msg";
3799		4240
3800	my @bt = fork_call {	4241	my @bt = fork_call {
3801	@addr = map { sprintf "%x", $_ } @addr;	4242	@addr = map { sprintf "%x", $_ } @addr;
…		…
3812	}	4253	}
3813		4254
3814	@funcs	4255	@funcs
3815	};	4256	};
3816		4257
3817	LOG llevInfo, "[ABT] $msg\n";	4258	LOG llevInfo, "[ABT] $perl_bt\n";
		4259	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3818	LOG llevInfo, "[ABT] $_\n" for @bt;	4260	LOG llevInfo, "[ABT] $_\n" for @bt;
3819	--$_log_backtrace;	4261	--$_log_backtrace;
3820	};	4262	};
3821	} else {	4263	} else {
3822	LOG llevInfo, "[ABT] $msg\n";	4264	LOG llevInfo, "[ABT] $msg\n";
3823	LOG llevInfo, "[ABT] [suppressed]\n";	4265	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3824	}	4266	}
3825	}	4267	}
3826		4268
3827	# load additional modules	4269	# load additional modules
3828	use cf::pod;	4270	require "cf/$_.pm" for @EXTRA_MODULES;
		4271	cf::_connect_to_perl_2;
3829		4272
3830	END { cf::emergency_save }	4273	END { cf::emergency_save }
3831		4274
3832	1	4275	1
3833		4276

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