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Revision 1.418 by root, Fri Apr 11 21:09:53 2008 UTC vs.
Revision 1.583 by root, Mon Oct 29 23:12:37 2012 UTC

1	#	1	#
2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	#	3	#
4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	#	5	#
6	# Deliantra is free software: you can redistribute it and/or modify	6	# Deliantra is free software: you can redistribute it and/or modify it under
7	# it under the terms of the GNU General Public License as published by	7	# the terms of the Affero GNU General Public License as published by the
8	# the Free Software Foundation, either version 3 of the License, or	8	# Free Software Foundation, either version 3 of the License, or (at your
9	# (at your option) any later version.	9	# option) any later version.
10	#	10	#
11	# This program is distributed in the hope that it will be useful,	11	# This program is distributed in the hope that it will be useful,
12	# but WITHOUT ANY WARRANTY; without even the implied warranty of	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	# GNU General Public License for more details.	14	# GNU General Public License for more details.
15	#	15	#
16	# You should have received a copy of the GNU General Public License	16	# You should have received a copy of the Affero GNU General Public License
17	# along with this program. If not, see <http://www.gnu.org/licenses/>.	17	# and the GNU General Public License along with this program. If not, see
18	#	18	# <http://www.gnu.org/licenses/>.
		19	#
19	# The authors can be reached via e-mail to <support@deliantra.net>	20	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	21	#
21		22
22	package cf;	23	package cf;
23		24
24	use utf8;	25	use common::sense;
25	use strict;
26		26
27	use Symbol;	27	use Symbol;
28	use List::Util;	28	use List::Util;
29	use Socket;	29	use Socket;
30	use EV 3.2;	30	use EV;
31	use Opcode;	31	use Opcode;
32	use Safe;	32	use Safe;
33	use Safe::Hole;	33	use Safe::Hole;
34	use Storable ();	34	use Storable ();
		35	use Carp ();
35		36
		37	use Guard ();
36	use Coro 4.50 ();	38	use Coro ();
37	use Coro::State;	39	use Coro::State;
38	use Coro::Handle;	40	use Coro::Handle;
39	use Coro::EV;	41	use Coro::EV;
		42	use Coro::AnyEvent;
40	use Coro::Timer;	43	use Coro::Timer;
41	use Coro::Signal;	44	use Coro::Signal;
42	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
43	use Coro::AIO;	48	use Coro::AIO;
44	use Coro::BDB;	49	use Coro::BDB 1.6;
45	use Coro::Storable;	50	use Coro::Storable;
46	use Coro::Util ();	51	use Coro::Util ();
47		52
48	use JSON::XS 2.01 ();	53	use JSON::XS 2.01 ();
49	use BDB ();	54	use BDB ();
50	use Data::Dumper;	55	use Data::Dumper;
51	use Digest::MD5;
52	use Fcntl;	56	use Fcntl;
53	use YAML ();	57	use YAML::XS ();
54	use IO::AIO 2.51 ();	58	use IO::AIO ();
55	use Time::HiRes;	59	use Time::HiRes;
56	use Compress::LZF;	60	use Compress::LZF;
57	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
58		64
59	# configure various modules to our taste	65	# configure various modules to our taste
60	#	66	#
61	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
64		75
65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
66		78
67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
68		82
69	our %COMMAND = ();	83	our %COMMAND = ();
70	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
71		85
72	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
73	our %EXTCMD = ();	87	our %EXTCMD = ();
74	our %EXTICMD = ();	88	our %EXTICMD = ();
75	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
76	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
77		91
78	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
79	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
80		96
81	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
82	our $DATADIR = datadir;	99	our $DATADIR = datadir;
83	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
84	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
85	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
86	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
87	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
90	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
91	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
92	our %RESOURCE;	110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	#our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
93		120
94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
95	our $AIO_POLL_WATCHER;
96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
97	our $NEXT_TICK;	123	our $NEXT_TICK;
98	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
99		125
100	our $BDB_POLL_WATCHER;
101	our $BDB_DEADLOCK_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
102	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
103	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
104	our $DB_ENV;	129	our $DB_ENV;
105		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
106	our %CFG;	133	our %CFG;
		134	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
107		135
108	our $UPTIME; $UPTIME ||= time;	136	our $UPTIME; $UPTIME ||= time;
109	our $RUNTIME;	137	our $RUNTIME = 0;
		138	our $SERVER_TICK = 0;
110	our $NOW;	139	our $NOW;
111		140
112	our (%PLAYER, %PLAYER_LOADING); # all users	141	our (%PLAYER, %PLAYER_LOADING); # all users
113	our (%MAP, %MAP_LOADING ); # all maps	142	our (%MAP, %MAP_LOADING ); # all maps
114	our $LINK_MAP; # the special {link} map, which is always available	143	our $LINK_MAP; # the special {link} map, which is always available
…		…
119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	148	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
120	our $LOADAVG; # same thing, but with alpha-smoothing	149	our $LOADAVG; # same thing, but with alpha-smoothing
121	our $JITTER; # average jitter	150	our $JITTER; # average jitter
122	our $TICK_START; # for load detecting purposes	151	our $TICK_START; # for load detecting purposes
123		152
		153	our @POST_INIT;
		154
		155	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		156	our $REALLY_UNLOOP; # never set to true, please :)
		157
		158	our $WAIT_FOR_TICK = new Coro::Signal;
		159	our @WAIT_FOR_TICK_BEGIN;
		160
124	binmode STDOUT;	161	binmode STDOUT;
125	binmode STDERR;	162	binmode STDERR;
126		163
127	# read virtual server time, if available	164	# read virtual server time, if available
128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	165	unless ($RUNTIME || !-e $RUNTIMEFILE) {
129	open my $fh, "<", "$LOCALDIR/runtime"	166	open my $fh, "<", $RUNTIMEFILE
130	or die "unable to read runtime file: $!";	167	or die "unable to read $RUNTIMEFILE file: $!";
131	$RUNTIME = <$fh> + 0.;	168	$RUNTIME = <$fh> + 0.;
132	}	169	}
		170
		171	eval "sub TICK() { $TICK } 1" or die;
133		172
134	mkdir $_	173	mkdir $_
135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	174	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
136		175
137	our $EMERGENCY_POSITION;	176	our $EMERGENCY_POSITION;
138		177
139	sub cf::map::normalise;	178	sub cf::map::normalise;
140		179
		180	sub in_main() {
		181	$Coro::current == $Coro::main
		182	}
		183
141	#############################################################################	184	#############################################################################
142		185
		186	%REFLECT = ();
		187	for (@REFLECT) {
		188	my $reflect = JSON::XS::decode_json $_;
		189	$REFLECT{$reflect->{class}} = $reflect;
		190	}
		191
		192	# this is decidedly evil
		193	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		194
		195	#############################################################################
		196
143	=head2 GLOBAL VARIABLES	197	=head2 GLOBAL VARIABLES
144		198
145	=over 4	199	=over 4
146		200
147	=item $cf::UPTIME	201	=item $cf::UPTIME
148		202
149	The timestamp of the server start (so not actually an uptime).	203	The timestamp of the server start (so not actually an "uptime").
		204
		205	=item $cf::SERVER_TICK
		206
		207	An unsigned integer that starts at zero when the server is started and is
		208	incremented on every tick.
		209
		210	=item $cf::NOW
		211
		212	The (real) time of the last (current) server tick - updated before and
		213	after tick processing, so this is useful only as a rough "what time is it
		214	now" estimate.
		215
		216	=item $cf::TICK
		217
		218	The interval between each server tick, in seconds.
150		219
151	=item $cf::RUNTIME	220	=item $cf::RUNTIME
152		221
153	The time this server has run, starts at 0 and is increased by $cf::TICK on	222	The time this server has run, starts at 0 and is increased by $cf::TICK on
154	every server tick.	223	every server tick.
…		…
160	Various directories - "/etc", read-only install directory, perl-library	229	Various directories - "/etc", read-only install directory, perl-library
161	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	230	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
162	unique-items directory, player file directory, random maps directory and	231	unique-items directory, player file directory, random maps directory and
163	database environment.	232	database environment.
164		233
165	=item $cf::NOW
166
167	The time of the last (current) server tick.
168
169	=item $cf::TICK
170
171	The interval between server ticks, in seconds.
172
173	=item $cf::LOADAVG	234	=item $cf::LOADAVG
174		235
175	The current CPU load on the server (alpha-smoothed), as a value between 0	236	The current CPU load on the server (alpha-smoothed), as a value between 0
176	(none) and 1 (overloaded), indicating how much time is spent on processing	237	(none) and 1 (overloaded), indicating how much time is spent on processing
177	objects per tick. Healthy values are < 0.5.	238	objects per tick. Healthy values are < 0.5.
…		…
186	from wherever your confdir points to.	247	from wherever your confdir points to.
187		248
188	=item cf::wait_for_tick, cf::wait_for_tick_begin	249	=item cf::wait_for_tick, cf::wait_for_tick_begin
189		250
190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	251	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
191	returns directly I<after> the tick processing (and consequently, can only wake one process	252	returns directly I<after> the tick processing (and consequently, can only wake one thread
192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	253	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
193		254
		255	Note that cf::Wait_for_tick will immediately return when the server is not
		256	ticking, making it suitable for small pauses in threads that need to run
		257	when the server is paused. If that is not applicable (i.e. you I<really>
		258	want to wait, use C<$cf::WAIT_FOR_TICK>).
		259
		260	=item $cf::WAIT_FOR_TICK
		261
		262	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		263	variable contains a L<Coro::Signal> that is broadcats after every server
		264	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		265	next server tick.
		266
		267	=cut
		268
		269	sub wait_for_tick();
		270	sub wait_for_tick_begin();
		271
194	=item @cf::INVOKE_RESULTS	272	=item @cf::INVOKE_RESULTS
195		273
196	This array contains the results of the last C<invoke ()> call. When	274	This array contains the results of the last C<invoke ()> call. When
197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	275	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
198	that call.	276	that call.
199		277
		278	=item %cf::REFLECT
		279
		280	Contains, for each (C++) class name, a hash reference with information
		281	about object members (methods, scalars, arrays and flags) and other
		282	metadata, which is useful for introspection.
		283
200	=back	284	=back
201		285
202	=cut	286	=cut
203		287
204	BEGIN {	288	sub error(@) { LOG llevError, join "", @_ }
205	*CORE::GLOBAL::warn = sub {	289	sub warn (@) { LOG llevWarn , join "", @_ }
		290	sub info (@) { LOG llevInfo , join "", @_ }
		291	sub debug(@) { LOG llevDebug, join "", @_ }
		292	sub trace(@) { LOG llevTrace, join "", @_ }
		293
		294	$Coro::State::WARNHOOK = sub {
206	my $msg = join "", @_;	295	my $msg = join "", @_;
207		296
208	$msg .= "\n"	297	$msg .= "\n"
209	unless $msg =~ /\n$/;	298	unless $msg =~ /\n$/;
210		299
211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	300	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
212		301
213	LOG llevError, $msg;	302	LOG llevWarn, $msg;
214	};	303	};
215	}
216		304
217	$Coro::State::DIEHOOK = sub {	305	$Coro::State::DIEHOOK = sub {
218	return unless $^S eq 0; # "eq", not "=="	306	return unless $^S eq 0; # "eq", not "=="
219		307
220	if ($Coro::current == $Coro::main) {#d#	308	error Carp::longmess $_[0];
		309
		310	if (in_main) {#d#
221	warn "DIEHOOK called in main context, Coro bug?\n";#d#	311	error "DIEHOOK called in main context, Coro bug?\n";#d#
222	return;#d#	312	return;#d#
223	}#d#	313	}#d#
224		314
225	# kill coroutine otherwise	315	# kill coroutine otherwise
226	warn Carp::longmess $_[0];
227	Coro::terminate	316	Coro::terminate
228	};	317	};
229
230	$SIG{__DIE__} = sub { }; #d#?
231		318
232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	319	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	320	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	321	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	322	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
242	for my $pkg (qw(	329	for my $pkg (qw(
243	cf::global cf::attachable	330	cf::global cf::attachable
244	cf::object cf::object::player	331	cf::object cf::object::player
245	cf::client cf::player	332	cf::client cf::player
246	cf::arch cf::living	333	cf::arch cf::living
		334	cf::map cf::mapspace
247	cf::map cf::party cf::region	335	cf::party cf::region
248	)) {	336	)) {
249	no strict 'refs';
250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	337	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
251	}	338	}
252		339
253	$EV::DIED = sub {	340	$EV::DIED = sub {
254	warn "error in event callback: @_";	341	Carp::cluck "error in event callback: @_";
255	};	342	};
		343
		344	#############################################################################
		345
		346	sub fork_call(&@);
		347	sub get_slot($;$$);
256		348
257	#############################################################################	349	#############################################################################
258		350
259	=head2 UTILITY FUNCTIONS	351	=head2 UTILITY FUNCTIONS
260		352
…		…
281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	373	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
282	$d	374	$d
283	} || "[unable to dump $_[0]: '$@']";	375	} || "[unable to dump $_[0]: '$@']";
284	}	376	}
285		377
		378	=item $scalar = cf::load_file $path
		379
		380	Loads the given file from path and returns its contents. Croaks on error
		381	and can block.
		382
		383	=cut
		384
		385	sub load_file($) {
		386	0 <= aio_load $_[0], my $data
		387	or Carp::croak "$_[0]: $!";
		388
		389	$data
		390	}
		391
		392	=item $success = cf::replace_file $path, $data, $sync
		393
		394	Atomically replaces the file at the given $path with new $data, and
		395	optionally $sync the data to disk before replacing the file.
		396
		397	=cut
		398
		399	sub replace_file($$;$) {
		400	my ($path, $data, $sync) = @_;
		401
		402	my $lock = cf::lock_acquire ("replace_file:$path");
		403
		404	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		405	or return;
		406
		407	$data = $data->() if ref $data;
		408
		409	length $data == aio_write $fh, 0, (length $data), $data, 0
		410	or return;
		411
		412	!$sync
		413	or !aio_fsync $fh
		414	or return;
		415
		416	aio_close $fh
		417	and return;
		418
		419	aio_rename "$path~", $path
		420	and return;
		421
		422	if ($sync) {
		423	$path =~ s%/[^/]*$%%;
		424	aio_pathsync $path;
		425	}
		426
		427	1
		428	}
		429
286	=item $ref = cf::decode_json $json	430	=item $ref = cf::decode_json $json
287		431
288	Converts a JSON string into the corresponding perl data structure.	432	Converts a JSON string into the corresponding perl data structure.
289		433
290	=item $json = cf::encode_json $ref	434	=item $json = cf::encode_json $ref
…		…
296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	440	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
297		441
298	sub encode_json($) { $json_coder->encode ($_[0]) }	442	sub encode_json($) { $json_coder->encode ($_[0]) }
299	sub decode_json($) { $json_coder->decode ($_[0]) }	443	sub decode_json($) { $json_coder->decode ($_[0]) }
300		444
		445	=item $ref = cf::decode_storable $scalar
		446
		447	Same as Coro::Storable::thaw, so blocks.
		448
		449	=cut
		450
		451	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		452
		453	=item $ref = cf::decode_yaml $scalar
		454
		455	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		456
		457	=cut
		458
		459	sub decode_yaml($) {
		460	fork_call { YAML::XS::Load $_[0] } @_
		461	}
		462
		463	=item $scalar = cf::unlzf $scalar
		464
		465	Same as Compress::LZF::compress, but takes server ticks into account, so
		466	blocks.
		467
		468	=cut
		469
		470	sub unlzf($) {
		471	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		472	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		473	Compress::LZF::decompress $_[0]
		474	}
		475
		476	=item cf::post_init { BLOCK }
		477
		478	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		479	but I<before> the server starts ticking again.
		480
		481	The codeblock will have a single boolean argument to indicate whether this
		482	is a reload or not.
		483
		484	=cut
		485
		486	sub post_init(&) {
		487	push @POST_INIT, shift;
		488	}
		489
		490	sub _post_init {
		491	trace "running post_init jobs";
		492
		493	# run them in parallel...
		494
		495	my @join;
		496
		497	while () {
		498	push @join, map &Coro::async ($_, 0), @POST_INIT;
		499	@POST_INIT = ();
		500
		501	@join or last;
		502
		503	(pop @join)->join;
		504	}
		505	}
		506
301	=item cf::lock_wait $string	507	=item cf::lock_wait $string
302		508
303	Wait until the given lock is available. See cf::lock_acquire.	509	Wait until the given lock is available. See cf::lock_acquire.
304		510
305	=item my $lock = cf::lock_acquire $string	511	=item my $lock = cf::lock_acquire $string
306		512
307	Wait until the given lock is available and then acquires it and returns	513	Wait until the given lock is available and then acquires it and returns
308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	514	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
309	for example when the coroutine gets canceled), the lock is automatically	515	for example when the coroutine gets canceled), the lock is automatically
310	returned.	516	returned.
311		517
312	Locks are *not* recursive, locking from the same coro twice results in a	518	Locks are *not* recursive, locking from the same coro twice results in a
313	deadlocked coro.	519	deadlocked coro.
…		…
319		525
320	Return true if the lock is currently active, i.e. somebody has locked it.	526	Return true if the lock is currently active, i.e. somebody has locked it.
321		527
322	=cut	528	=cut
323		529
324	our %LOCK;	530	our $LOCKS = new Coro::SemaphoreSet;
325	our %LOCKER;#d#
326		531
327	sub lock_wait($) {	532	sub lock_wait($) {
328	my ($key) = @_;	533	$LOCKS->wait ($_[0]);
329
330	if ($LOCKER{$key} == $Coro::current) {#d#
331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
332	return;#d#
333	}#d#
334
335	# wait for lock, if any
336	while ($LOCK{$key}) {
337	push @{ $LOCK{$key} }, $Coro::current;
338	Coro::schedule;
339	}
340	}	534	}
341		535
342	sub lock_acquire($) {	536	sub lock_acquire($) {
343	my ($key) = @_;	537	$LOCKS->guard ($_[0])
344
345	# wait, to be sure we are not locked
346	lock_wait $key;
347
348	$LOCK{$key} = [];
349	$LOCKER{$key} = $Coro::current;#d#
350
351	Coro::guard {
352	delete $LOCKER{$key};#d#
353	# wake up all waiters, to be on the safe side
354	$_->ready for @{ delete $LOCK{$key} };
355	}
356	}	538	}
357		539
358	sub lock_active($) {	540	sub lock_active($) {
359	my ($key) = @_;	541	$LOCKS->count ($_[0]) < 1
360
361	! ! $LOCK{$key}
362	}	542	}
363		543
364	sub freeze_mainloop {	544	sub freeze_mainloop {
365	tick_inhibit_inc;	545	tick_inhibit_inc;
366		546
367	Coro::guard \&tick_inhibit_dec;	547	&Guard::guard (\&tick_inhibit_dec);
368	}	548	}
369		549
370	=item cf::periodic $interval, $cb	550	=item cf::periodic $interval, $cb
371		551
372	Like EV::periodic, but randomly selects a starting point so that the actions	552	Like EV::periodic, but randomly selects a starting point so that the actions
373	get spread over timer.	553	get spread over time.
374		554
375	=cut	555	=cut
376		556
377	sub periodic($$) {	557	sub periodic($$) {
378	my ($interval, $cb) = @_;	558	my ($interval, $cb) = @_;
…		…
382	EV::periodic $start, $interval, 0, $cb	562	EV::periodic $start, $interval, 0, $cb
383	}	563	}
384		564
385	=item cf::get_slot $time[, $priority[, $name]]	565	=item cf::get_slot $time[, $priority[, $name]]
386		566
387	Allocate $time seconds of blocking CPU time at priority C<$priority>:	567	Allocate $time seconds of blocking CPU time at priority C<$priority>
388	This call blocks and returns only when you have at least C<$time> seconds	568	(default: 0): This call blocks and returns only when you have at least
389	of cpu time till the next tick. The slot is only valid till the next cede.	569	C<$time> seconds of cpu time till the next tick. The slot is only valid
		570	till the next cede.
		571
		572	Background jobs should use a priority les than zero, interactive jobs
		573	should use 100 or more.
390		574
391	The optional C<$name> can be used to identify the job to run. It might be	575	The optional C<$name> can be used to identify the job to run. It might be
392	used for statistical purposes and should identify the same time-class.	576	used for statistical purposes and should identify the same time-class.
393		577
394	Useful for short background jobs.	578	Useful for short background jobs.
395		579
396	=cut	580	=cut
397		581
398	our @SLOT_QUEUE;	582	our @SLOT_QUEUE;
399	our $SLOT_QUEUE;	583	our $SLOT_QUEUE;
		584	our $SLOT_DECAY = 0.9;
400		585
401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	586	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
402	$SLOT_QUEUE = Coro::async {	587	$SLOT_QUEUE = Coro::async {
403	$Coro::current->desc ("timeslot manager");	588	$Coro::current->desc ("timeslot manager");
404		589
405	my $signal = new Coro::Signal;	590	my $signal = new Coro::Signal;
		591	my $busy;
406		592
407	while () {	593	while () {
408	next_job:	594	next_job:
		595
409	my $avail = cf::till_tick;	596	my $avail = cf::till_tick;
410	if ($avail > 0.01) {	597
411	for (0 .. $#SLOT_QUEUE) {	598	for (0 .. $#SLOT_QUEUE) {
412	if ($SLOT_QUEUE[$_][0] < $avail) {	599	if ($SLOT_QUEUE[$_][0] <= $avail) {
		600	$busy = 0;
413	my $job = splice @SLOT_QUEUE, $_, 1, ();	601	my $job = splice @SLOT_QUEUE, $_, 1, ();
414	$job->[2]->send;	602	$job->[2]->send;
415	Coro::cede;	603	Coro::cede;
416	goto next_job;	604	goto next_job;
417	}	605	} else {
		606	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
418	}	607	}
419	}	608	}
420		609
421	if (@SLOT_QUEUE) {	610	if (@SLOT_QUEUE) {
422	# we do not use wait_for_tick() as it returns immediately when tick is inactive	611	# we do not use wait_for_tick() as it returns immediately when tick is inactive
423	push @cf::WAIT_FOR_TICK, $signal;	612	$WAIT_FOR_TICK->wait;
424	$signal->wait;
425	} else {	613	} else {
		614	$busy = 0;
426	Coro::schedule;	615	Coro::schedule;
427	}	616	}
428	}	617	}
429	};	618	};
430		619
431	sub get_slot($;$$) {	620	sub get_slot($;$$) {
		621	return if tick_inhibit || $Coro::current == $Coro::main;
		622
432	my ($time, $pri, $name) = @_;	623	my ($time, $pri, $name) = @_;
433		624
434	$time = $TICK * .6 if $time > $TICK * .6;	625	$time = clamp $time, 0.01, $TICK * .6;
		626
435	my $sig = new Coro::Signal;	627	my $sig = new Coro::Signal;
436		628
437	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	629	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
438	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	630	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
439	$SLOT_QUEUE->ready;	631	$SLOT_QUEUE->ready;
…		…
465	=cut	657	=cut
466		658
467	sub sync_job(&) {	659	sub sync_job(&) {
468	my ($job) = @_;	660	my ($job) = @_;
469		661
470	if ($Coro::current == $Coro::main) {	662	if (in_main) {
471	my $time = EV::time;	663	my $time = AE::time;
472		664
473	# this is the main coro, too bad, we have to block	665	# this is the main coro, too bad, we have to block
474	# till the operation succeeds, freezing the server :/	666	# till the operation succeeds, freezing the server :/
475		667
476	LOG llevError, Carp::longmess "sync job";#d#	668	#LOG llevError, Carp::longmess "sync job";#d#
477		669
478	my $freeze_guard = freeze_mainloop;	670	my $freeze_guard = freeze_mainloop;
479		671
480	my $busy = 1;	672	my $busy = 1;
481	my @res;	673	my @res;
482		674
483	(async {	675	(async {
484	$Coro::current->desc ("sync job coro");	676	$Coro::current->desc ("sync job coro");
485	@res = eval { $job->() };	677	@res = eval { $job->() };
486	warn $@ if $@;	678	error $@ if $@;
487	undef $busy;	679	undef $busy;
488	})->prio (Coro::PRIO_MAX);	680	})->prio (Coro::PRIO_MAX);
489		681
490	while ($busy) {	682	while ($busy) {
491	if (Coro::nready) {	683	if (Coro::nready) {
…		…
493	} else {	685	} else {
494	EV::loop EV::LOOP_ONESHOT;	686	EV::loop EV::LOOP_ONESHOT;
495	}	687	}
496	}	688	}
497		689
498	my $time = EV::time - $time;	690	my $time = AE::time - $time;
499		691
500	$TICK_START += $time; # do not account sync jobs to server load	692	$TICK_START += $time; # do not account sync jobs to server load
501		693
502	wantarray ? @res : $res[0]	694	wantarray ? @res : $res[0]
503	} else {	695	} else {
…		…
525	$EXT_CORO{$coro+0} = $coro;	717	$EXT_CORO{$coro+0} = $coro;
526		718
527	$coro	719	$coro
528	}	720	}
529		721
530	=item fork_call { }, $args	722	=item fork_call { }, @args
531		723
532	Executes the given code block with the given arguments in a seperate	724	Executes the given code block with the given arguments in a seperate
533	process, returning the results. Everything must be serialisable with	725	process, returning the results. Everything must be serialisable with
534	Coro::Storable. May, of course, block. Note that the executed sub may	726	Coro::Storable. May, of course, block. Note that the executed sub may
535	never block itself or use any form of event handling.	727	never block itself or use any form of event handling.
536		728
537	=cut	729	=cut
538		730
		731	sub post_fork {
		732	reset_signals;
		733	}
		734
539	sub fork_call(&@) {	735	sub fork_call(&@) {
540	my ($cb, @args) = @_;	736	my ($cb, @args) = @_;
541		737
542	# we seemingly have to make a local copy of the whole thing,	738	# we seemingly have to make a local copy of the whole thing,
543	# otherwise perl prematurely frees the stuff :/	739	# otherwise perl prematurely frees the stuff :/
544	# TODO: investigate and fix (likely this will be rather laborious)	740	# TODO: investigate and fix (likely this will be rather laborious)
545		741
546	my @res = Coro::Util::fork_eval {	742	my @res = Coro::Util::fork_eval {
547	reset_signals;	743	cf::post_fork;
548	&$cb	744	&$cb
549	}, @args;	745	} @args;
550		746
551	wantarray ? @res : $res[-1]	747	wantarray ? @res : $res[-1]
		748	}
		749
		750	sub objinfo {
		751	(
		752	"counter value" => cf::object::object_count,
		753	"objects created" => cf::object::create_count,
		754	"objects destroyed" => cf::object::destroy_count,
		755	"freelist size" => cf::object::free_count,
		756	"allocated objects" => cf::object::objects_size,
		757	"active objects" => cf::object::actives_size,
		758	)
552	}	759	}
553		760
554	=item $coin = coin_from_name $name	761	=item $coin = coin_from_name $name
555		762
556	=cut	763	=cut
…		…
593	within each server.	800	within each server.
594		801
595	=cut	802	=cut
596		803
597	sub db_table($) {	804	sub db_table($) {
		805	cf::error "db_get called from main context"
		806	if $Coro::current == $Coro::main;
		807
598	my ($name) = @_;	808	my ($name) = @_;
599	my $db = BDB::db_create $DB_ENV;	809	my $db = BDB::db_create $DB_ENV;
600		810
601	eval {	811	eval {
602	$db->set_flags (BDB::CHKSUM);	812	$db->set_flags (BDB::CHKSUM);
…		…
612	}	822	}
613		823
614	our $DB;	824	our $DB;
615		825
616	sub db_init {	826	sub db_init {
617	cf::sync_job {
618	$DB ||= db_table "db";	827	$DB ||= db_table "db";
619	};
620	}	828	}
621		829
622	sub db_get($$) {	830	sub db_get($$) {
623	my $key = "$_[0]/$_[1]";	831	my $key = "$_[0]/$_[1]";
624		832
625	cf::sync_job {	833	cf::error "db_get called from main context"
		834	if $Coro::current == $Coro::main;
		835
626	BDB::db_get $DB, undef, $key, my $data;	836	BDB::db_get $DB, undef, $key, my $data;
627		837
628	$! ? ()	838	$! ? ()
629	: $data	839	: $data
630	}
631	}	840	}
632		841
633	sub db_put($$$) {	842	sub db_put($$$) {
634	BDB::dbreq_pri 4;	843	BDB::dbreq_pri 4;
635	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	844	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
663		872
664	my @data;	873	my @data;
665	my $md5;	874	my $md5;
666		875
667	for (0 .. $#$src) {	876	for (0 .. $#$src) {
668	0 <= aio_load $src->[$_], $data[$_]	877	$data[$_] = load_file $src->[$_];
669	or Carp::croak "$src->[$_]: $!";
670	}	878	}
671		879
672	# if processing is expensive, check	880	# if processing is expensive, check
673	# checksum first	881	# checksum first
674	if (1) {	882	if (1) {
…		…
691		899
692	my $t1 = Time::HiRes::time;	900	my $t1 = Time::HiRes::time;
693	my $data = $process->(\@data);	901	my $data = $process->(\@data);
694	my $t2 = Time::HiRes::time;	902	my $t2 = Time::HiRes::time;
695		903
696	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	904	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
697		905
698	db_put cache => "$id/data", $data;	906	db_put cache => "$id/data", $data;
699	db_put cache => "$id/md5" , $md5;	907	db_put cache => "$id/md5" , $md5;
700	db_put cache => "$id/meta", $meta;	908	db_put cache => "$id/meta", $meta;
701		909
…		…
711		919
712	=cut	920	=cut
713		921
714	sub datalog($@) {	922	sub datalog($@) {
715	my ($type, %kv) = @_;	923	my ($type, %kv) = @_;
716	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	924	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
717	}	925	}
718		926
719	=back	927	=back
720		928
721	=cut	929	=cut
722		930
723	#############################################################################	931	#############################################################################
724		932
725	=head2 ATTACHABLE OBJECTS	933	=head2 ATTACHABLE OBJECTS
726		934
727	Many objects in crossfire are so-called attachable objects. That means you can	935	Many objects in deliantra are so-called attachable objects. That means you can
728	attach callbacks/event handlers (a collection of which is called an "attachment")	936	attach callbacks/event handlers (a collection of which is called an "attachment")
729	to it. All such attachable objects support the following methods.	937	to it. All such attachable objects support the following methods.
730		938
731	In the following description, CLASS can be any of C<global>, C<object>	939	In the following description, CLASS can be any of C<global>, C<object>
732	C<player>, C<client> or C<map> (i.e. the attachable objects in	940	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
782	=item cf::CLASS::attachment $name, ...	990	=item cf::CLASS::attachment $name, ...
783		991
784	Register an attachment by C<$name> through which attachable objects of the	992	Register an attachment by C<$name> through which attachable objects of the
785	given CLASS can refer to this attachment.	993	given CLASS can refer to this attachment.
786		994
787	Some classes such as crossfire maps and objects can specify attachments	995	Some classes such as deliantra maps and objects can specify attachments
788	that are attached at load/instantiate time, thus the need for a name.	996	that are attached at load/instantiate time, thus the need for a name.
789		997
790	These calls expect any number of the following handler/hook descriptions:	998	These calls expect any number of the following handler/hook descriptions:
791		999
792	=over 4	1000	=over 4
…		…
916		1124
917	} elsif (exists $cb_id{$type}) {	1125	} elsif (exists $cb_id{$type}) {
918	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1126	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
919		1127
920	} elsif (ref $type) {	1128	} elsif (ref $type) {
921	warn "attaching objects not supported, ignoring.\n";	1129	error "attaching objects not supported, ignoring.\n";
922		1130
923	} else {	1131	} else {
924	shift @arg;	1132	shift @arg;
925	warn "attach argument '$type' not supported, ignoring.\n";	1133	error "attach argument '$type' not supported, ignoring.\n";
926	}	1134	}
927	}	1135	}
928	}	1136	}
929		1137
930	sub _object_attach {	1138	sub _object_attach {
…		…
940	_attach $registry, $klass, @attach;	1148	_attach $registry, $klass, @attach;
941	}	1149	}
942		1150
943	$obj->{$name} = \%arg;	1151	$obj->{$name} = \%arg;
944	} else {	1152	} else {
945	warn "object uses attachment '$name' which is not available, postponing.\n";	1153	info "object uses attachment '$name' which is not available, postponing.\n";
946	}	1154	}
947		1155
948	$obj->{_attachment}{$name} = undef;	1156	$obj->{_attachment}{$name} = undef;
949	}	1157	}
950		1158
…		…
1009		1217
1010	for (@$callbacks) {	1218	for (@$callbacks) {
1011	eval { &{$_->[1]} };	1219	eval { &{$_->[1]} };
1012		1220
1013	if ($@) {	1221	if ($@) {
1014	warn "$@";
1015	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1222	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1016	override;	1223	override;
1017	}	1224	}
1018		1225
1019	return 1 if $override;	1226	return 1 if $override;
1020	}	1227	}
…		…
1083		1290
1084	sub reattach {	1291	sub reattach {
1085	# basically do the same as instantiate, without calling instantiate	1292	# basically do the same as instantiate, without calling instantiate
1086	my ($obj) = @_;	1293	my ($obj) = @_;
1087		1294
		1295	# no longer needed after getting rid of delete_package?
1088	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1296	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1089		1297
1090	my $registry = $obj->registry;	1298	my $registry = $obj->registry;
1091		1299
1092	@$registry = ();	1300	@$registry = ();
1093		1301
…		…
1098	for (@$attach) {	1306	for (@$attach) {
1099	my ($klass, @attach) = @$_;	1307	my ($klass, @attach) = @$_;
1100	_attach $registry, $klass, @attach;	1308	_attach $registry, $klass, @attach;
1101	}	1309	}
1102	} else {	1310	} else {
1103	warn "object uses attachment '$name' that is not available, postponing.\n";	1311	info "object uses attachment '$name' that is not available, postponing.\n";
1104	}	1312	}
1105	}	1313	}
1106	}	1314	}
1107		1315
1108	cf::attachable->attach (	1316	cf::attachable->attach (
…		…
1135	my ($filename, $rdata, $objs) = @_;	1343	my ($filename, $rdata, $objs) = @_;
1136		1344
1137	sync_job {	1345	sync_job {
1138	if (length $$rdata) {	1346	if (length $$rdata) {
1139	utf8::decode (my $decname = $filename);	1347	utf8::decode (my $decname = $filename);
1140	warn sprintf "saving %s (%d,%d)\n",	1348	trace sprintf "saving %s (%d,%d)\n",
1141	$decname, length $$rdata, scalar @$objs;	1349	$decname, length $$rdata, scalar @$objs
		1350	if $VERBOSE_IO;
1142		1351
1143	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1352	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1144	chmod SAVE_MODE, $fh;	1353	aio_chmod $fh, SAVE_MODE;
1145	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1354	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1146	aio_fsync $fh if $cf::USE_FSYNC;	1355	if ($cf::USE_FSYNC) {
		1356	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1357	aio_fsync $fh;
		1358	}
1147	close $fh;	1359	aio_close $fh;
1148		1360
1149	if (@$objs) {	1361	if (@$objs) {
1150	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1362	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1151	chmod SAVE_MODE, $fh;	1363	aio_chmod $fh, SAVE_MODE;
1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1364	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1153	aio_write $fh, 0, (length $data), $data, 0;	1365	aio_write $fh, 0, (length $data), $data, 0;
1154	aio_fsync $fh if $cf::USE_FSYNC;	1366	if ($cf::USE_FSYNC) {
		1367	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1368	aio_fsync $fh;
		1369	}
1155	close $fh;	1370	aio_close $fh;
1156	aio_rename "$filename.pst~", "$filename.pst";	1371	aio_rename "$filename.pst~", "$filename.pst";
1157	}	1372	}
1158	} else {	1373	} else {
1159	aio_unlink "$filename.pst";	1374	aio_unlink "$filename.pst";
1160	}	1375	}
1161		1376
1162	aio_rename "$filename~", $filename;	1377	aio_rename "$filename~", $filename;
		1378
		1379	$filename =~ s%/[^/]+$%%;
		1380	aio_pathsync $filename if $cf::USE_FSYNC;
1163	} else {	1381	} else {
1164	warn "FATAL: $filename~: $!\n";	1382	error "unable to save objects: $filename~: $!\n";
1165	}	1383	}
1166	} else {	1384	} else {
1167	aio_unlink $filename;	1385	aio_unlink $filename;
1168	aio_unlink "$filename.pst";	1386	aio_unlink "$filename.pst";
1169	}	1387	}
…		…
1193	my $st = eval { Coro::Storable::thaw $av };	1411	my $st = eval { Coro::Storable::thaw $av };
1194	$av = $st->{objs};	1412	$av = $st->{objs};
1195	}	1413	}
1196		1414
1197	utf8::decode (my $decname = $filename);	1415	utf8::decode (my $decname = $filename);
1198	warn sprintf "loading %s (%d,%d)\n",	1416	trace sprintf "loading %s (%d,%d)\n",
1199	$decname, length $data, scalar @{$av || []};	1417	$decname, length $data, scalar @{$av || []}
		1418	if $VERBOSE_IO;
1200		1419
1201	($data, $av)	1420	($data, $av)
1202	}	1421	}
1203		1422
1204	=head2 COMMAND CALLBACKS	1423	=head2 COMMAND CALLBACKS
…		…
1260	my ($name, $cb) = @_;	1479	my ($name, $cb) = @_;
1261		1480
1262	$EXTICMD{$name} = $cb;	1481	$EXTICMD{$name} = $cb;
1263	}	1482	}
1264		1483
		1484	use File::Glob ();
		1485
1265	cf::player->attach (	1486	cf::player->attach (
1266	on_command => sub {	1487	on_unknown_command => sub {
1267	my ($pl, $name, $params) = @_;	1488	my ($pl, $name, $params) = @_;
1268		1489
1269	my $cb = $COMMAND{$name}	1490	my $cb = $COMMAND{$name}
1270	or return;	1491	or return;
1271		1492
…		…
1279	my ($pl, $buf) = @_;	1500	my ($pl, $buf) = @_;
1280		1501
1281	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1502	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1282		1503
1283	if (ref $msg) {	1504	if (ref $msg) {
1284	my ($type, $reply, @payload) =	1505	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1285	"ARRAY" eq ref $msg
1286	? @$msg
1287	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1288		1506
1289	my @reply;	1507	my @reply;
1290		1508
1291	if (my $cb = $EXTCMD{$type}) {	1509	if (my $cb = $EXTCMD{$type}) {
1292	@reply = $cb->($pl, @payload);	1510	@reply = $cb->($pl, @payload);
…		…
1294		1512
1295	$pl->ext_reply ($reply, @reply)	1513	$pl->ext_reply ($reply, @reply)
1296	if $reply;	1514	if $reply;
1297		1515
1298	} else {	1516	} else {
1299	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1517	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1300	}	1518	}
1301		1519
1302	cf::override;	1520	cf::override;
1303	},	1521	},
1304	);	1522	);
1305		1523
		1524	# "readahead" all extensions
		1525	sub cache_extensions {
		1526	my $grp = IO::AIO::aio_group;
		1527
		1528	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1529	for (grep /\.ext$/, @{$_[0]}) {
		1530	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1531	}
		1532	};
		1533
		1534	$grp
		1535	}
		1536
		1537	sub _ext_cfg_reg($$$$) {
		1538	my ($rvar, $varname, $cfgname, $default) = @_;
		1539
		1540	$cfgname = lc $varname
		1541	unless length $cfgname;
		1542
		1543	$EXT_CFG{$cfgname} = [$rvar, $default];
		1544
		1545	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1546	}
		1547
1306	sub load_extensions {	1548	sub load_extensions {
		1549	info "loading extensions...";
		1550
		1551	%EXT_CFG = ();
		1552
1307	cf::sync_job {	1553	cf::sync_job {
1308	my %todo;	1554	my %todo;
1309		1555
1310	for my $path (<$LIBDIR/*.ext>) {	1556	for my $path (<$LIBDIR/*.ext>) {
1311	next unless -r $path;	1557	next unless -r $path;
…		…
1329		1575
1330	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1576	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1331	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1577	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1332		1578
1333	$ext{source} =	1579	$ext{source} =
1334	"package $pkg; use strict; use utf8;\n"	1580	"package $pkg; use common::sense;\n"
1335	. "#line 1 \"$path\"\n{\n"	1581	. "#line 1 \"$path\"\n{\n"
1336	. $source	1582	. $source
1337	. "\n};\n1";	1583	. "\n};\n1";
1338		1584
1339	$todo{$base} = \%ext;	1585	$todo{$base} = \%ext;
1340	}	1586	}
1341		1587
		1588	my $pass = 0;
1342	my %done;	1589	my %done;
1343	while (%todo) {	1590	while (%todo) {
1344	my $progress;	1591	my $progress;
1345		1592
		1593	++$pass;
		1594
		1595	ext:
1346	while (my ($k, $v) = each %todo) {	1596	while (my ($k, $v) = each %todo) {
1347	for (split /,\s*/, $v->{meta}{depends}) {	1597	for (split /,\s*/, $v->{meta}{depends}) {
1348	goto skip	1598	next ext
1349	unless exists $done{$_};	1599	unless exists $done{$_};
1350	}	1600	}
1351		1601
1352	warn "... loading '$k' into '$v->{pkg}'\n";	1602	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1353		1603
1354	unless (eval $v->{source}) {	1604	my $source = $v->{source};
		1605
		1606	# support "CONF varname :confname = default" pseudo-statements
		1607	$source =~ s{
		1608	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1609	}{
		1610	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1611	}gmxe;
		1612
		1613	my $active = eval $source;
		1614
		1615	if (length $@) {
1355	my $msg = $@ ? "$v->{path}: $@\n"	1616	error "$v->{path}: $@\n";
1356	: "$v->{base}: extension inactive.\n";
1357		1617
1358	if (exists $v->{meta}{mandatory}) {
1359	warn $msg;
1360	cf::cleanup "mandatory extension failed to load, exiting.";	1618	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1361	}	1619	if exists $v->{meta}{mandatory};
1362		1620
1363	warn $msg;	1621	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1622	delete $todo{$k};
		1623	} else {
		1624	$done{$k} = delete $todo{$k};
		1625	push @EXTS, $v->{pkg};
		1626	$progress = 1;
		1627
		1628	info "$v->{base}: extension inactive.\n"
		1629	unless $active;
1364	}	1630	}
1365
1366	$done{$k} = delete $todo{$k};
1367	push @EXTS, $v->{pkg};
1368	$progress = 1;
1369	}	1631	}
1370		1632
1371	skip:	1633	unless ($progress) {
1372	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1634	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1373	unless $progress;	1635
		1636	while (my ($k, $v) = each %todo) {
		1637	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1638	if exists $v->{meta}{mandatory};
		1639	}
		1640
		1641	last;
		1642	}
1374	}	1643	}
1375	};	1644	};
1376	}	1645	}
1377		1646
1378	#############################################################################	1647	#############################################################################
1379		1648
1380	=back	1649	=back
1381		1650
1382	=head2 CORE EXTENSIONS	1651	=head2 CORE EXTENSIONS
1383		1652
1384	Functions and methods that extend core crossfire objects.	1653	Functions and methods that extend core deliantra objects.
1385		1654
1386	=cut	1655	=cut
1387		1656
1388	package cf::player;	1657	package cf::player;
1389		1658
…		…
1432		1701
1433	sub exists($) {	1702	sub exists($) {
1434	my ($login) = @_;	1703	my ($login) = @_;
1435		1704
1436	$cf::PLAYER{$login}	1705	$cf::PLAYER{$login}
1437	or cf::sync_job { !aio_stat path $login }	1706	or !aio_stat path $login
1438	}	1707	}
1439		1708
1440	sub find($) {	1709	sub find($) {
1441	return $cf::PLAYER{$_[0]} || do {	1710	return $cf::PLAYER{$_[0]} || do {
1442	my $login = $_[0];	1711	my $login = $_[0];
…		…
1454	my $f = new_from_file cf::object::thawer path $login	1723	my $f = new_from_file cf::object::thawer path $login
1455	or return;	1724	or return;
1456		1725
1457	my $pl = cf::player::load_pl $f	1726	my $pl = cf::player::load_pl $f
1458	or return;	1727	or return;
		1728
1459	local $cf::PLAYER_LOADING{$login} = $pl;	1729	local $cf::PLAYER_LOADING{$login} = $pl;
1460	$f->resolve_delayed_derefs;	1730	$f->resolve_delayed_derefs;
1461	$cf::PLAYER{$login} = $pl	1731	$cf::PLAYER{$login} = $pl
1462	}	1732	}
1463	}	1733	}
1464	}	1734	}
1465		1735
		1736	cf::player->attach (
		1737	on_load => sub {
		1738	my ($pl, $path) = @_;
		1739
		1740	# restore slots saved in save, below
		1741	my $slots = delete $pl->{_slots};
		1742
		1743	$pl->ob->current_weapon ($slots->[0]);
		1744	$pl->combat_ob ($slots->[1]);
		1745	$pl->ranged_ob ($slots->[2]);
		1746	},
		1747	);
		1748
1466	sub save($) {	1749	sub save($) {
1467	my ($pl) = @_;	1750	my ($pl) = @_;
1468		1751
1469	return if $pl->{deny_save};	1752	return if $pl->{deny_save};
1470		1753
…		…
1473		1756
1474	return if $pl->{deny_save};	1757	return if $pl->{deny_save};
1475		1758
1476	aio_mkdir playerdir $pl, 0770;	1759	aio_mkdir playerdir $pl, 0770;
1477	$pl->{last_save} = $cf::RUNTIME;	1760	$pl->{last_save} = $cf::RUNTIME;
		1761
		1762	cf::get_slot 0.01;
		1763
		1764	# save slots, to be restored later
		1765	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1478		1766
1479	$pl->save_pl ($path);	1767	$pl->save_pl ($path);
1480	cf::cede_to_tick;	1768	cf::cede_to_tick;
1481	}	1769	}
1482		1770
…		…
1514	my ($pl) = @_;	1802	my ($pl) = @_;
1515		1803
1516	my $name = $pl->ob->name;	1804	my $name = $pl->ob->name;
1517		1805
1518	$pl->{deny_save} = 1;	1806	$pl->{deny_save} = 1;
1519	$pl->password ("*"); # this should lock out the player until we nuked the dir	1807	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1520		1808
1521	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1809	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1522	$pl->deactivate;	1810	$pl->deactivate;
		1811
		1812	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1523	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1813	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1814	ext::highscore::check ($pl->ob);
		1815
1524	$pl->ns->destroy if $pl->ns;	1816	$pl->ns->destroy if $pl->ns;
1525		1817
1526	my $path = playerdir $pl;	1818	my $path = playerdir $pl;
1527	my $temp = "$path~$cf::RUNTIME~deleting~";	1819	my $temp = "$path~$cf::RUNTIME~deleting~";
1528	aio_rename $path, $temp;	1820	aio_rename $path, $temp;
…		…
1566		1858
1567	for my $login (@$dirs) {	1859	for my $login (@$dirs) {
1568	my $path = path $login;	1860	my $path = path $login;
1569		1861
1570	# a .pst is a dead give-away for a valid player	1862	# a .pst is a dead give-away for a valid player
1571	unless (-e "$path.pst") {	1863	# if no pst file found, open and chekc for blocked users
		1864	if (aio_stat "$path.pst") {
1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1865	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1573	aio_read $fh, 0, 512, my $buf, 0 or next;	1866	aio_read $fh, 0, 512, my $buf, 0 or next;
1574	$buf !~ /^password -------------$/m or next; # official not-valid tag	1867	$buf !~ /^password -------------$/m or next; # official not-valid tag
1575	}	1868	}
1576		1869
…		…
1580		1873
1581	\@logins	1874	\@logins
1582	}	1875	}
1583		1876
1584	=item $player->maps	1877	=item $player->maps
		1878
		1879	=item cf::player::maps $login
1585		1880
1586	Returns an arrayref of map paths that are private for this	1881	Returns an arrayref of map paths that are private for this
1587	player. May block.	1882	player. May block.
1588		1883
1589	=cut	1884	=cut
…		…
1607	}	1902	}
1608		1903
1609	\@paths	1904	\@paths
1610	}	1905	}
1611		1906
1612	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1907	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1613		1908
1614	Expand crossfire pod fragments into protocol xml.	1909	Expand deliantra pod fragments into protocol xml.
1615
1616	=cut
1617
1618	use re 'eval';
1619
1620	my $group;
1621	my $interior; $interior = qr{
1622	# match a pod interior sequence sans C<< >>
1623	(?:
1624	\ (.*?)\ (?{ $group = $^N })
1625	| < (??{$interior}) >
1626	)
1627	}x;
1628
1629	sub expand_cfpod {
1630	my ($self, $pod) = @_;
1631
1632	my $xml;
1633
1634	while () {
1635	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1636	$group = $1;
1637
1638	$group =~ s/&/&amp;/g;
1639	$group =~ s/</&lt;/g;
1640
1641	$xml .= $group;
1642	} elsif ($pod =~ m%\G
1643	([BCGHITU])
1644	<
1645	(?:
1646	([^<>]*) (?{ $group = $^N })
1647	| < $interior >
1648	)
1649	>
1650	%gcsx
1651	) {
1652	my ($code, $data) = ($1, $group);
1653
1654	if ($code eq "B") {
1655	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1656	} elsif ($code eq "I") {
1657	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1658	} elsif ($code eq "U") {
1659	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1660	} elsif ($code eq "C") {
1661	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1662	} elsif ($code eq "T") {
1663	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1664	} elsif ($code eq "G") {
1665	my ($male, $female) = split /\|/, $data;
1666	$data = $self->gender ? $female : $male;
1667	$xml .= expand_cfpod ($self, $data);
1668	} elsif ($code eq "H") {
1669	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1670	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1671	"")
1672	[$self->{hintmode}];
1673	} else {
1674	$xml .= "error processing '$code($data)' directive";
1675	}
1676	} else {
1677	if ($pod =~ /\G(.+)/) {
1678	warn "parse error while expanding $pod (at $1)";
1679	}
1680	last;
1681	}
1682	}
1683
1684	for ($xml) {
1685	# create single paragraphs (very hackish)
1686	s/(?<=\S)\n(?=\w)/ /g;
1687
1688	# compress some whitespace
1689	s/\s+\n/\n/g; # ws line-ends
1690	s/\n\n+/\n/g; # double lines
1691	s/^\n+//; # beginning lines
1692	s/\n+$//; # ending lines
1693	}
1694
1695	$xml
1696	}
1697
1698	no re 'eval';
1699
1700	sub hintmode {
1701	$_[0]{hintmode} = $_[1] if @_ > 1;
1702	$_[0]{hintmode}
1703	}
1704		1910
1705	=item $player->ext_reply ($msgid, @msg)	1911	=item $player->ext_reply ($msgid, @msg)
1706		1912
1707	Sends an ext reply to the player.	1913	Sends an ext reply to the player.
1708		1914
…		…
1740		1946
1741	=cut	1947	=cut
1742		1948
1743	sub find_by_path($) {	1949	sub find_by_path($) {
1744	my ($path) = @_;	1950	my ($path) = @_;
		1951
		1952	$path =~ s/^~[^\/]*//; # skip ~login
1745		1953
1746	my ($match, $specificity);	1954	my ($match, $specificity);
1747		1955
1748	for my $region (list) {	1956	for my $region (list) {
1749	if ($region->{match} && $path =~ $region->{match}) {	1957	if ($region->{match} && $path =~ $region->{match}) {
…		…
1778	sub generate_random_map {	1986	sub generate_random_map {
1779	my ($self, $rmp) = @_;	1987	my ($self, $rmp) = @_;
1780		1988
1781	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM	1989	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1782		1990
1783	# mit "rum" bekleckern, nicht
1784	$self->_create_random_map (	1991	$self->_create_random_map ($rmp);
1785	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1786	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1787	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1788	$rmp->{exit_on_final_map},
1789	$rmp->{xsize}, $rmp->{ysize},
1790	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1791	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1792	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1793	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1794	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1795	(cf::region::find $rmp->{region}), $rmp->{custom}
1796	)
1797	}	1992	}
1798		1993
1799	=item cf::map->register ($regex, $prio)	1994	=item cf::map->register ($regex, $prio)
1800		1995
1801	Register a handler for the map path matching the given regex at the	1996	Register a handler for the map path matching the given regex at the
…		…
1806		2001
1807	sub register {	2002	sub register {
1808	my (undef, $regex, $prio) = @_;	2003	my (undef, $regex, $prio) = @_;
1809	my $pkg = caller;	2004	my $pkg = caller;
1810		2005
1811	no strict;
1812	push @{"$pkg\::ISA"}, __PACKAGE__;	2006	push @{"$pkg\::ISA"}, __PACKAGE__;
1813		2007
1814	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2008	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1815	}	2009	}
1816		2010
1817	# also paths starting with '/'	2011	# also paths starting with '/'
1818	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2012	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1819		2013
1820	sub thawer_merge {	2014	sub thawer_merge {
1821	my ($self, $merge) = @_;	2015	my ($self, $merge) = @_;
1822		2016
1823	# we have to keep some variables in memory intact	2017	# we have to keep some variables in memory intact
…		…
1828	}	2022	}
1829		2023
1830	sub normalise {	2024	sub normalise {
1831	my ($path, $base) = @_;	2025	my ($path, $base) = @_;
1832		2026
1833	$path = "$path"; # make sure its a string	2027	$path = "$path"; # make sure it's a string
1834		2028
1835	$path =~ s/\.map$//;	2029	$path =~ s/\.map$//;
1836		2030
1837	# map plan:	2031	# map plan:
1838	#	2032	#
…		…
1853	$base =~ s{[^/]+/?$}{};	2047	$base =~ s{[^/]+/?$}{};
1854	$path = "$base/$path";	2048	$path = "$base/$path";
1855	}	2049	}
1856		2050
1857	for ($path) {	2051	for ($path) {
1858	redo if s{//}{/};
1859	redo if s{/\.?/}{/};	2052	redo if s{/\.?/}{/};
1860	redo if s{/[^/]+/\.\./}{/};	2053	redo if s{/[^/]+/\.\./}{/};
1861	}	2054	}
1862		2055
1863	$path	2056	$path
…		…
1877	$self->init; # pass $1 etc.	2070	$self->init; # pass $1 etc.
1878	return $self;	2071	return $self;
1879	}	2072	}
1880	}	2073	}
1881		2074
1882	Carp::cluck "unable to resolve path '$path' (base '$base').";	2075	Carp::cluck "unable to resolve path '$path' (base '$base')";
1883	()	2076	()
1884	}	2077	}
1885		2078
		2079	# may re-bless or do other evil things
1886	sub init {	2080	sub init {
1887	my ($self) = @_;	2081	my ($self) = @_;
1888		2082
1889	$self	2083	$self
1890	}	2084	}
…		…
1909		2103
1910	# the temporary/swap location	2104	# the temporary/swap location
1911	sub save_path {	2105	sub save_path {
1912	my ($self) = @_;	2106	my ($self) = @_;
1913		2107
1914	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1915	"$TMPDIR/$path.map"	2109	"$TMPDIR/$path.map"
1916	}	2110	}
1917		2111
1918	# the unique path, undef == no special unique path	2112	# the unique path, undef == no special unique path
1919	sub uniq_path {	2113	sub uniq_path {
1920	my ($self) = @_;	2114	my ($self) = @_;
1921		2115
1922	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2116	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1923	"$UNIQUEDIR/$path"	2117	"$UNIQUEDIR/$path"
1924	}
1925
1926	# and all this just because we cannot iterate over
1927	# all maps in C++...
1928	sub change_all_map_light {
1929	my ($change) = @_;
1930
1931	$_->change_map_light ($change)
1932	for grep $_->outdoor, values %cf::MAP;
1933	}	2118	}
1934		2119
1935	sub decay_objects {	2120	sub decay_objects {
1936	my ($self) = @_;	2121	my ($self) = @_;
1937		2122
…		…
1964	$self->{load_path} = $path;	2149	$self->{load_path} = $path;
1965		2150
1966	1	2151	1
1967	}	2152	}
1968		2153
		2154	# used to laod the header of an original map
1969	sub load_header_orig {	2155	sub load_header_orig {
1970	my ($self) = @_;	2156	my ($self) = @_;
1971		2157
1972	$self->load_header_from ($self->load_path)	2158	$self->load_header_from ($self->load_path)
1973	}	2159	}
1974		2160
		2161	# used to laod the header of an instantiated map
1975	sub load_header_temp {	2162	sub load_header_temp {
1976	my ($self) = @_;	2163	my ($self) = @_;
1977		2164
1978	$self->load_header_from ($self->save_path)	2165	$self->load_header_from ($self->save_path)
1979	}	2166	}
1980		2167
		2168	# called after loading the header from an instantiated map
1981	sub prepare_temp {	2169	sub prepare_temp {
1982	my ($self) = @_;	2170	my ($self) = @_;
1983		2171
1984	$self->last_access ((delete $self->{last_access})	2172	$self->last_access ((delete $self->{last_access})
1985	|| $cf::RUNTIME); #d#	2173	|| $cf::RUNTIME); #d#
1986	# safety	2174	# safety
1987	$self->{instantiate_time} = $cf::RUNTIME	2175	$self->{instantiate_time} = $cf::RUNTIME
1988	if $self->{instantiate_time} > $cf::RUNTIME;	2176	if $self->{instantiate_time} > $cf::RUNTIME;
1989	}	2177	}
1990		2178
		2179	# called after loading the header from an original map
1991	sub prepare_orig {	2180	sub prepare_orig {
1992	my ($self) = @_;	2181	my ($self) = @_;
1993		2182
1994	$self->{load_original} = 1;	2183	$self->{load_original} = 1;
1995	$self->{instantiate_time} = $cf::RUNTIME;	2184	$self->{instantiate_time} = $cf::RUNTIME;
…		…
2019		2208
2020	sub find;	2209	sub find;
2021	sub find {	2210	sub find {
2022	my ($path, $origin) = @_;	2211	my ($path, $origin) = @_;
2023		2212
		2213	cf::cede_to_tick;
		2214
2024	$path = normalise $path, $origin && $origin->path;	2215	$path = normalise $path, $origin;
2025		2216
2026	cf::lock_wait "map_data:$path";#d#remove	2217	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2027	cf::lock_wait "map_find:$path";	2218	my $guard2 = cf::lock_acquire "map_find:$path";
2028		2219
2029	$cf::MAP{$path} || do {	2220	$cf::MAP{$path} || do {
2030	my $guard1 = cf::lock_acquire "map_find:$path";
2031	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2032
2033	my $map = new_from_path cf::map $path	2221	my $map = new_from_path cf::map $path
2034	or return;	2222	or return;
2035		2223
2036	$map->{last_save} = $cf::RUNTIME;	2224	$map->{last_save} = $cf::RUNTIME;
2037		2225
…		…
2039	or return;	2227	or return;
2040		2228
2041	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2229	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2042	# doing this can freeze the server in a sync job, obviously	2230	# doing this can freeze the server in a sync job, obviously
2043	#$cf::WAIT_FOR_TICK->wait;	2231	#$cf::WAIT_FOR_TICK->wait;
		2232	undef $guard2;
2044	undef $guard1;	2233	undef $guard1;
2045	undef $guard2;
2046	$map->reset;	2234	$map->reset;
2047	return find $path;	2235	return find $path;
2048	}	2236	}
2049		2237
2050	$cf::MAP{$path} = $map	2238	$cf::MAP{$path} = $map
2051	}	2239	}
2052	}	2240	}
2053		2241
2054	sub pre_load { }	2242	sub pre_load { }
2055	sub post_load { }	2243	#sub post_load { } # XS
2056		2244
2057	sub load {	2245	sub load {
2058	my ($self) = @_;	2246	my ($self) = @_;
2059		2247
2060	local $self->{deny_reset} = 1; # loading can take a long time	2248	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2063		2251
2064	{	2252	{
2065	my $guard = cf::lock_acquire "map_data:$path";	2253	my $guard = cf::lock_acquire "map_data:$path";
2066		2254
2067	return unless $self->valid;	2255	return unless $self->valid;
2068	return unless $self->in_memory == cf::MAP_SWAPPED;	2256	return unless $self->state == cf::MAP_SWAPPED;
2069
2070	$self->in_memory (cf::MAP_LOADING);
2071		2257
2072	$self->alloc;	2258	$self->alloc;
2073		2259
2074	$self->pre_load;	2260	$self->pre_load;
2075	cf::cede_to_tick;	2261	cf::cede_to_tick;
2076		2262
		2263	if (exists $self->{load_path}) {
2077	my $f = new_from_file cf::object::thawer $self->{load_path};	2264	my $f = new_from_file cf::object::thawer $self->{load_path};
2078	$f->skip_block;	2265	$f->skip_block;
2079	$self->_load_objects ($f)	2266	$self->_load_objects ($f)
2080	or return;	2267	or return;
2081		2268
2082	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2269	$self->post_load_original
2083	if delete $self->{load_original};	2270	if delete $self->{load_original};
2084		2271
2085	if (my $uniq = $self->uniq_path) {	2272	if (my $uniq = $self->uniq_path) {
2086	utf8::encode $uniq;	2273	utf8::encode $uniq;
2087	unless (aio_stat $uniq) {	2274	unless (aio_stat $uniq) {
2088	if (my $f = new_from_file cf::object::thawer $uniq) {	2275	if (my $f = new_from_file cf::object::thawer $uniq) {
2089	$self->clear_unique_items;	2276	$self->clear_unique_items;
2090	$self->_load_objects ($f);	2277	$self->_load_objects ($f);
2091	$f->resolve_delayed_derefs;	2278	$f->resolve_delayed_derefs;
		2279	}
2092	}	2280	}
2093	}	2281	}
2094	}
2095		2282
2096	$f->resolve_delayed_derefs;	2283	$f->resolve_delayed_derefs;
		2284	} else {
		2285	$self->post_load_original
		2286	if delete $self->{load_original};
		2287	}
		2288
		2289	$self->state (cf::MAP_INACTIVE);
2097		2290
2098	cf::cede_to_tick;	2291	cf::cede_to_tick;
2099	# now do the right thing for maps	2292	# now do the right thing for maps
2100	$self->link_multipart_objects;	2293	$self->link_multipart_objects;
2101	$self->difficulty ($self->estimate_difficulty)	2294	$self->difficulty ($self->estimate_difficulty)
…		…
2105	unless ($self->{deny_activate}) {	2298	unless ($self->{deny_activate}) {
2106	$self->decay_objects;	2299	$self->decay_objects;
2107	$self->fix_auto_apply;	2300	$self->fix_auto_apply;
2108	$self->update_buttons;	2301	$self->update_buttons;
2109	cf::cede_to_tick;	2302	cf::cede_to_tick;
2110	$self->set_darkness_map;	2303	#$self->activate; # no longer activate maps automatically
2111	cf::cede_to_tick;
2112	$self->activate;
2113	}	2304	}
2114		2305
2115	$self->{last_save} = $cf::RUNTIME;	2306	$self->{last_save} = $cf::RUNTIME;
2116	$self->last_access ($cf::RUNTIME);	2307	$self->last_access ($cf::RUNTIME);
2117
2118	$self->in_memory (cf::MAP_IN_MEMORY);
2119	}	2308	}
2120		2309
2121	$self->post_load;	2310	$self->post_load;
2122	}
2123		2311
		2312	1
		2313	}
		2314
		2315	# customize the map for a given player, i.e.
		2316	# return the _real_ map. used by e.g. per-player
		2317	# maps to change the path to ~playername/mappath
2124	sub customise_for {	2318	sub customise_for {
2125	my ($self, $ob) = @_;	2319	my ($self, $ob) = @_;
2126		2320
2127	return find "~" . $ob->name . "/" . $self->{path}	2321	return find "~" . $ob->name . "/" . $self->{path}
2128	if $self->per_player;	2322	if $self->per_player;
…		…
2131	# if $self->per_party;	2325	# if $self->per_party;
2132		2326
2133	$self	2327	$self
2134	}	2328	}
2135		2329
2136	# find and load all maps in the 3x3 area around a map
2137	sub load_neighbours {
2138	my ($map) = @_;
2139
2140	my @neigh; # diagonal neighbours
2141
2142	for (0 .. 3) {
2143	my $neigh = $map->tile_path ($_)
2144	or next;
2145	$neigh = find $neigh, $map
2146	or next;
2147	$neigh->load;
2148
2149	push @neigh,
2150	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2151	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2152	}
2153
2154	for (grep defined $_->[0], @neigh) {
2155	my ($path, $origin) = @$_;
2156	my $neigh = find $path, $origin
2157	or next;
2158	$neigh->load;
2159	}
2160	}
2161
2162	sub find_sync {	2330	sub find_sync {
2163	my ($path, $origin) = @_;	2331	my ($path, $origin) = @_;
2164		2332
2165	cf::sync_job { find $path, $origin }	2333	# it's a bug to call this from the main context
		2334	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2335	if $Coro::current == $Coro::main;
		2336
		2337	find $path, $origin
2166	}	2338	}
2167		2339
2168	sub do_load_sync {	2340	sub do_load_sync {
2169	my ($map) = @_;	2341	my ($map) = @_;
2170		2342
		2343	# it's a bug to call this from the main context
2171	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2344	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2172	if $Coro::current == $Coro::main;	2345	if $Coro::current == $Coro::main;
2173		2346
2174	cf::sync_job { $map->load };	2347	$map->load;
2175	}	2348	}
2176		2349
2177	our %MAP_PREFETCH;	2350	our %MAP_PREFETCH;
2178	our $MAP_PREFETCHER = undef;	2351	our $MAP_PREFETCHER = undef;
2179		2352
2180	sub find_async {	2353	sub find_async {
2181	my ($path, $origin, $load) = @_;	2354	my ($path, $origin, $load) = @_;
2182		2355
2183	$path = normalise $path, $origin && $origin->{path};	2356	$path = normalise $path, $origin;
2184		2357
2185	if (my $map = $cf::MAP{$path}) {	2358	if (my $map = $cf::MAP{$path}) {
2186	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2359	return $map if !$load || $map->linkable;
2187	}	2360	}
2188		2361
2189	$MAP_PREFETCH{$path} |= $load;	2362	$MAP_PREFETCH{$path} |= $load;
2190		2363
2191	$MAP_PREFETCHER ||= cf::async {	2364	$MAP_PREFETCHER ||= cf::async {
…		…
2205	$MAP_PREFETCHER->prio (6);	2378	$MAP_PREFETCHER->prio (6);
2206		2379
2207	()	2380	()
2208	}	2381	}
2209		2382
		2383	# common code, used by both ->save and ->swapout
2210	sub save {	2384	sub _save {
2211	my ($self) = @_;	2385	my ($self) = @_;
2212
2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
2214		2386
2215	$self->{last_save} = $cf::RUNTIME;	2387	$self->{last_save} = $cf::RUNTIME;
2216		2388
2217	return unless $self->dirty;	2389	return unless $self->dirty;
2218		2390
…		…
2227		2399
2228	cf::async {	2400	cf::async {
2229	$Coro::current->{desc} = "map player save";	2401	$Coro::current->{desc} = "map player save";
2230	$_->contr->save for $self->players;	2402	$_->contr->save for $self->players;
2231	};	2403	};
		2404
		2405	cf::get_slot 0.02;
2232		2406
2233	if ($uniq) {	2407	if ($uniq) {
2234	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2408	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2235	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2409	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2236	} else {	2410	} else {
2237	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2411	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2238	}	2412	}
2239	}	2413	}
2240		2414
		2415	sub save {
		2416	my ($self) = @_;
		2417
		2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2419
		2420	$self->_save;
		2421	}
		2422
2241	sub swap_out {	2423	sub swap_out {
2242	my ($self) = @_;	2424	my ($self) = @_;
2243		2425
2244	# save first because save cedes
2245	$self->save;
2246
2247	my $lock = cf::lock_acquire "map_data:$self->{path}";	2426	my $lock = cf::lock_acquire "map_data:$self->{path}";
2248		2427
		2428	return if !$self->linkable;
		2429	return if $self->{deny_save};
2249	return if $self->players;	2430	return if $self->players;
2250	return if $self->in_memory != cf::MAP_IN_MEMORY;	2431
		2432	# first deactivate the map and "unlink" it from the core
		2433	$self->deactivate;
		2434	$_->clear_links_to ($self) for values %cf::MAP;
		2435	$self->state (cf::MAP_SWAPPED);
		2436
		2437	# then atomically save
		2438	$self->_save;
		2439
		2440	# then free the map
		2441	$self->clear;
		2442	}
		2443
		2444	sub reset_at {
		2445	my ($self) = @_;
		2446
		2447	# TODO: safety, remove and allow resettable per-player maps
2251	return if $self->{deny_save};	2448	return 1e99 if $self->{deny_reset};
2252		2449
		2450	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2451	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2452
		2453	$time + $to
		2454	}
		2455
		2456	sub should_reset {
		2457	my ($self) = @_;
		2458
		2459	$self->reset_at <= $cf::RUNTIME
		2460	}
		2461
		2462	sub reset {
		2463	my ($self) = @_;
		2464
		2465	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2466
		2467	return if $self->players;
		2468
		2469	cf::trace "resetting map ", $self->path, "\n";
		2470
2253	$self->in_memory (cf::MAP_SWAPPED);	2471	$self->state (cf::MAP_SWAPPED);
		2472
		2473	# need to save uniques path
		2474	unless ($self->{deny_save}) {
		2475	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2476
		2477	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2478	if $uniq;
		2479	}
		2480
		2481	delete $cf::MAP{$self->path};
2254		2482
2255	$self->deactivate;	2483	$self->deactivate;
2256	$_->clear_links_to ($self) for values %cf::MAP;	2484	$_->clear_links_to ($self) for values %cf::MAP;
2257	$self->clear;	2485	$self->clear;
2258	}
2259
2260	sub reset_at {
2261	my ($self) = @_;
2262
2263	# TODO: safety, remove and allow resettable per-player maps
2264	return 1e99 if $self->{deny_reset};
2265
2266	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2267	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2268
2269	$time + $to
2270	}
2271
2272	sub should_reset {
2273	my ($self) = @_;
2274
2275	$self->reset_at <= $cf::RUNTIME
2276	}
2277
2278	sub reset {
2279	my ($self) = @_;
2280
2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
2282
2283	return if $self->players;
2284
2285	warn "resetting map ", $self->path;
2286
2287	$self->in_memory (cf::MAP_SWAPPED);
2288
2289	# need to save uniques path
2290	unless ($self->{deny_save}) {
2291	my $uniq = $self->uniq_path; utf8::encode $uniq;
2292
2293	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2294	if $uniq;
2295	}
2296
2297	delete $cf::MAP{$self->path};
2298
2299	$self->deactivate;
2300	$_->clear_links_to ($self) for values %cf::MAP;
2301	$self->clear;
2302		2486
2303	$self->unlink_save;	2487	$self->unlink_save;
2304	$self->destroy;	2488	$self->destroy;
2305	}	2489	}
2306		2490
…		…
2314		2498
2315	delete $cf::MAP{$self->path};	2499	delete $cf::MAP{$self->path};
2316		2500
2317	$self->unlink_save;	2501	$self->unlink_save;
2318		2502
2319	bless $self, "cf::map";	2503	bless $self, "cf::map::wrap";
2320	delete $self->{deny_reset};	2504	delete $self->{deny_reset};
2321	$self->{deny_save} = 1;	2505	$self->{deny_save} = 1;
2322	$self->reset_timeout (1);	2506	$self->reset_timeout (1);
2323	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2507	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2324		2508
…		…
2373		2557
2374	sub unique_maps() {	2558	sub unique_maps() {
2375	[	2559	[
2376	map {	2560	map {
2377	utf8::decode $_;	2561	utf8::decode $_;
2378	/\.map$/	2562	s/\.map$//; # TODO future compatibility hack
		2563	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2564	? ()
2379	? normalise $_	2565	: normalise $_
2380	: ()
2381	} @{ aio_readdir $UNIQUEDIR or [] }	2566	} @{ aio_readdir $UNIQUEDIR or [] }
2382	]	2567	]
2383	}	2568	}
2384		2569
		2570	=item cf::map::static_maps
		2571
		2572	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2573	file in the shared directory excluding F</styles> and F</editor>). May
		2574	block.
		2575
		2576	=cut
		2577
		2578	sub static_maps() {
		2579	my @dirs = "";
		2580	my @maps;
		2581
		2582	while (@dirs) {
		2583	my $dir = shift @dirs;
		2584
		2585	next if $dir eq "/styles" || $dir eq "/editor";
		2586
		2587	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2588	or return;
		2589
		2590	for (@$files) {
		2591	s/\.map$// or next;
		2592	utf8::decode $_;
		2593	push @maps, "$dir/$_";
		2594	}
		2595
		2596	push @dirs, map "$dir/$_", @$dirs;
		2597	}
		2598
		2599	\@maps
		2600	}
		2601
2385	=back	2602	=back
2386		2603
2387	=head3 cf::object	2604	=head3 cf::object
2388		2605
2389	=cut	2606	=cut
…		…
2392		2609
2393	=over 4	2610	=over 4
2394		2611
2395	=item $ob->inv_recursive	2612	=item $ob->inv_recursive
2396		2613
2397	Returns the inventory of the object _and_ their inventories, recursively.	2614	Returns the inventory of the object I<and> their inventories, recursively,
		2615	but I<not> the object itself.
2398		2616
2399	=cut	2617	=cut
2400		2618
2401	sub inv_recursive_;	2619	sub inv_recursive_;
2402	sub inv_recursive_ {	2620	sub inv_recursive_ {
…		…
2407	inv_recursive_ inv $_[0]	2625	inv_recursive_ inv $_[0]
2408	}	2626	}
2409		2627
2410	=item $ref = $ob->ref	2628	=item $ref = $ob->ref
2411		2629
2412	creates and returns a persistent reference to an objetc that can be stored as a string.	2630	Creates and returns a persistent reference to an object that can be stored as a string.
2413		2631
2414	=item $ob = cf::object::deref ($refstring)	2632	=item $ob = cf::object::deref ($refstring)
2415		2633
2416	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2634	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2417	even if the object actually exists. May block.	2635	even if the object actually exists. May block.
…		…
2449	can be C<undef>. Does the right thing when the player is currently in a	2667	can be C<undef>. Does the right thing when the player is currently in a
2450	dialogue with the given NPC character.	2668	dialogue with the given NPC character.
2451		2669
2452	=cut	2670	=cut
2453		2671
		2672	our $SAY_CHANNEL = {
		2673	id => "say",
		2674	title => "Map",
		2675	reply => "say ",
		2676	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2677	};
		2678
		2679	our $CHAT_CHANNEL = {
		2680	id => "chat",
		2681	title => "Chat",
		2682	reply => "chat ",
		2683	tooltip => "Player chat and shouts, global to the server.",
		2684	};
		2685
2454	# rough implementation of a future "reply" method that works	2686	# rough implementation of a future "reply" method that works
2455	# with dialog boxes.	2687	# with dialog boxes.
2456	#TODO: the first argument must go, split into a $npc->reply_to ( method	2688	#TODO: the first argument must go, split into a $npc->reply_to ( method
2457	sub cf::object::player::reply($$$;$) {	2689	sub cf::object::player::reply($$$;$) {
2458	my ($self, $npc, $msg, $flags) = @_;	2690	my ($self, $npc, $msg, $flags) = @_;
…		…
2469	my $dialog = $pl->{npc_dialog};	2701	my $dialog = $pl->{npc_dialog};
2470	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2702	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2471		2703
2472	} else {	2704	} else {
2473	$msg = $npc->name . " says: $msg" if $npc;	2705	$msg = $npc->name . " says: $msg" if $npc;
2474	$self->message ($msg, $flags);	2706	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2475	}	2707	}
2476	}	2708	}
2477	}	2709	}
2478		2710
2479	=item $object->send_msg ($channel, $msg, $color, [extra...])	2711	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2504		2736
2505	=item $player_object->enter_link	2737	=item $player_object->enter_link
2506		2738
2507	Freezes the player and moves him/her to a special map (C<{link}>).	2739	Freezes the player and moves him/her to a special map (C<{link}>).
2508		2740
2509	The player should be reasonably safe there for short amounts of time. You	2741	The player should be reasonably safe there for short amounts of time (e.g.
2510	I<MUST> call C<leave_link> as soon as possible, though.	2742	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2743	though, as the player cannot control the character while it is on the link
		2744	map.
2511		2745
2512	Will never block.	2746	Will never block.
2513		2747
2514	=item $player_object->leave_link ($map, $x, $y)	2748	=item $player_object->leave_link ($map, $x, $y)
2515		2749
…		…
2535	sub cf::object::player::enter_link {	2769	sub cf::object::player::enter_link {
2536	my ($self) = @_;	2770	my ($self) = @_;
2537		2771
2538	$self->deactivate_recursive;	2772	$self->deactivate_recursive;
2539		2773
		2774	++$self->{_link_recursion};
		2775
2540	return if UNIVERSAL::isa $self->map, "ext::map_link";	2776	return if UNIVERSAL::isa $self->map, "ext::map_link";
2541		2777
2542	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2543	if $self->map && $self->map->{path} ne "{link}";	2779	if $self->map && $self->map->{path} ne "{link}";
2544		2780
2545	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2781	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2546	}	2782	}
2547		2783
2548	sub cf::object::player::leave_link {	2784	sub cf::object::player::leave_link {
2549	my ($self, $map, $x, $y) = @_;	2785	my ($self, $map, $x, $y) = @_;
2550		2786
…		…
2567	($x, $y) = (-1, -1)	2803	($x, $y) = (-1, -1)
2568	unless (defined $x) && (defined $y);	2804	unless (defined $x) && (defined $y);
2569		2805
2570	# use -1 or undef as default coordinates, not 0, 0	2806	# use -1 or undef as default coordinates, not 0, 0
2571	($x, $y) = ($map->enter_x, $map->enter_y)	2807	($x, $y) = ($map->enter_x, $map->enter_y)
2572	if $x <=0 && $y <= 0;	2808	if $x <= 0 && $y <= 0;
2573		2809
2574	$map->load;	2810	$map->load;
2575	$map->load_neighbours;
2576		2811
2577	return unless $self->contr->active;	2812	return unless $self->contr->active;
2578	$self->activate_recursive;
2579		2813
2580	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2814	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2581	$self->enter_map ($map, $x, $y);	2815	if ($self->enter_map ($map, $x, $y)) {
2582	}	2816	# entering was successful
		2817	delete $self->{_link_recursion};
		2818	# only activate afterwards, to support waiting in hooks
		2819	$self->activate_recursive;
		2820	}
2583		2821
		2822	}
		2823
2584	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2824	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2585		2825
2586	Moves the player to the given map-path and coordinates by first freezing	2826	Moves the player to the given map-path and coordinates by first freezing
2587	her, loading and preparing them map, calling the provided $check callback	2827	her, loading and preparing them map, calling the provided $check callback
2588	that has to return the map if sucecssful, and then unfreezes the player on	2828	that has to return the map if sucecssful, and then unfreezes the player on
2589	the new (success) or old (failed) map position. In either case, $done will	2829	the new (success) or old (failed) map position. In either case, $done will
2590	be called at the end of this process.	2830	be called at the end of this process.
2591		2831
		2832	Note that $check will be called with a potentially non-loaded map, so if
		2833	it needs a loaded map it has to call C<< ->load >>.
		2834
2592	=cut	2835	=cut
2593		2836
2594	our $GOTOGEN;	2837	our $GOTOGEN;
2595		2838
2596	sub cf::object::player::goto {	2839	sub cf::object::player::goto {
2597	my ($self, $path, $x, $y, $check, $done) = @_;	2840	my ($self, $path, $x, $y, $check, $done) = @_;
		2841
		2842	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2843	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2844	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2845	($path, $x, $y) = @$EMERGENCY_POSITION;
		2846	}
2598		2847
2599	# do generation counting so two concurrent goto's will be executed in-order	2848	# do generation counting so two concurrent goto's will be executed in-order
2600	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2849	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2601		2850
2602	$self->enter_link;	2851	$self->enter_link;
…		…
2622	($path, $x, $y) = (undef, undef, undef);	2871	($path, $x, $y) = (undef, undef, undef);
2623	}	2872	}
2624	}	2873	}
2625		2874
2626	my $map = eval {	2875	my $map = eval {
2627	my $map = defined $path ? cf::map::find $path : undef;	2876	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2628		2877
2629	if ($map) {	2878	if ($map) {
2630	$map = $map->customise_for ($self);	2879	$map = $map->customise_for ($self);
2631	$map = $check->($map) if $check && $map;	2880	$map = $check->($map, $x, $y, $self) if $check && $map;
2632	} else {	2881	} else {
2633	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2882	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2634	}	2883	}
2635		2884
2636	$map	2885	$map
…		…
2644	if ($gen == $self->{_goto_generation}) {	2893	if ($gen == $self->{_goto_generation}) {
2645	delete $self->{_goto_generation};	2894	delete $self->{_goto_generation};
2646	$self->leave_link ($map, $x, $y);	2895	$self->leave_link ($map, $x, $y);
2647	}	2896	}
2648		2897
2649	$done->() if $done;	2898	$done->($self) if $done;
2650	})->prio (1);	2899	})->prio (1);
2651	}	2900	}
2652		2901
2653	=item $player_object->enter_exit ($exit_object)	2902	=item $player_object->enter_exit ($exit_object)
2654		2903
…		…
2674	}	2923	}
2675		2924
2676	sub prepare_random_map {	2925	sub prepare_random_map {
2677	my ($exit) = @_;	2926	my ($exit) = @_;
2678		2927
2679	my $guard = cf::lock_acquire "exit_prepare:$exit";
2680
2681	# all this does is basically replace the /! path by	2928	# all this does is basically replace the /! path by
2682	# a new random map path (?random/...) with a seed	2929	# a new random map path (?random/...) with a seed
2683	# that depends on the exit object	2930	# that depends on the exit object
2684		2931
2685	my $rmp = parse_random_map_params $exit->msg;	2932	my $rmp = parse_random_map_params $exit->msg;
…		…
2687	if ($exit->map) {	2934	if ($exit->map) {
2688	$rmp->{region} = $exit->region->name;	2935	$rmp->{region} = $exit->region->name;
2689	$rmp->{origin_map} = $exit->map->path;	2936	$rmp->{origin_map} = $exit->map->path;
2690	$rmp->{origin_x} = $exit->x;	2937	$rmp->{origin_x} = $exit->x;
2691	$rmp->{origin_y} = $exit->y;	2938	$rmp->{origin_y} = $exit->y;
		2939
		2940	$exit->map->touch;
2692	}	2941	}
2693		2942
2694	$rmp->{random_seed} ||= $exit->random_seed;	2943	$rmp->{random_seed} ||= $exit->random_seed;
2695		2944
2696	my $data = cf::encode_json $rmp;	2945	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2697	my $md5 = Digest::MD5::md5_hex $data;	2946	my $md5 = Digest::MD5::md5_hex $data;
2698	my $meta = "$RANDOMDIR/$md5.meta";	2947	my $meta = "$RANDOMDIR/$md5.meta";
2699		2948
2700	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2949	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2701	aio_write $fh, 0, (length $data), $data, 0;	2950	aio_write $fh, 0, (length $data), $data, 0;
2702	undef $fh;	2951	undef $fh;
2703	aio_rename "$meta~", $meta;	2952	aio_rename "$meta~", $meta;
2704		2953
		2954	my $slaying = "?random/$md5";
		2955
		2956	if ($exit->valid) {
2705	$exit->slaying ("?random/$md5");	2957	$exit->slaying ("?random/$md5");
2706	$exit->msg (undef);	2958	$exit->msg (undef);
		2959	}
2707	}	2960	}
2708	}	2961	}
2709		2962
2710	sub cf::object::player::enter_exit {	2963	sub cf::object::player::enter_exit {
2711	my ($self, $exit) = @_;	2964	my ($self, $exit) = @_;
2712		2965
2713	return unless $self->type == cf::PLAYER;	2966	return unless $self->type == cf::PLAYER;
2714		2967
2715	if ($exit->slaying eq "/!") {
2716	#TODO: this should de-fi-ni-te-ly not be a sync-job
2717	# the problem is that $exit might not survive long enough
2718	# so it needs to be done right now, right here
2719	cf::sync_job { prepare_random_map $exit };
2720	}
2721
2722	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2723	my $hp = $exit->stats->hp;
2724	my $sp = $exit->stats->sp;
2725
2726	$self->enter_link;	2968	$self->enter_link;
2727		2969
2728	# if exit is damned, update players death & WoR home-position
2729	$self->contr->savebed ($slaying, $hp, $sp)
2730	if $exit->flag (FLAG_DAMNED);
2731
2732	(async {	2970	(async {
2733	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2971	$Coro::current->{desc} = "enter_exit";
2734		2972
2735	$self->deactivate_recursive; # just to be sure
2736	unless (eval {	2973	unless (eval {
		2974	$self->deactivate_recursive; # just to be sure
		2975
		2976	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2977	my $x = $exit->stats->hp;
		2978	my $y = $exit->stats->sp;
		2979
		2980	# special map handling
		2981	my $slaying = $exit->slaying;
		2982
		2983	# special map handling
		2984	if ($slaying eq "/!") {
		2985	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2986
		2987	prepare_random_map $exit
		2988	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2989
		2990	$map = $exit->slaying;
		2991
		2992	} elsif ($slaying eq '!up') {
		2993	$map = $exit->map->tile_path (cf::TILE_UP);
		2994	$x = $exit->x;
		2995	$y = $exit->y;
		2996
		2997	} elsif ($slaying eq '!down') {
		2998	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2999	$x = $exit->x;
		3000	$y = $exit->y;
		3001	}
		3002
2737	$self->goto ($slaying, $hp, $sp);	3003	$self->goto ($map, $x, $y);
2738		3004
		3005	# if exit is damned, update players death & WoR home-position
		3006	$self->contr->savebed ($map, $x, $y)
		3007	if $exit->flag (cf::FLAG_DAMNED);
		3008
2739	1;	3009	1
2740	}) {	3010	}) {
2741	$self->message ("Something went wrong deep within the crossfire server. "	3011	$self->message ("Something went wrong deep within the deliantra server. "
2742	. "I'll try to bring you back to the map you were before. "	3012	. "I'll try to bring you back to the map you were before. "
2743	. "Please report this to the dungeon master!",	3013	. "Please report this to the dungeon master!",
2744	cf::NDI_UNIQUE | cf::NDI_RED);	3014	cf::NDI_UNIQUE | cf::NDI_RED);
2745		3015
2746	warn "ERROR in enter_exit: $@";	3016	error "ERROR in enter_exit: $@";
2747	$self->leave_link;	3017	$self->leave_link;
2748	}	3018	}
2749	})->prio (1);	3019	})->prio (1);
2750	}	3020	}
2751		3021
…		…
2763	sub cf::client::send_drawinfo {	3033	sub cf::client::send_drawinfo {
2764	my ($self, $text, $flags) = @_;	3034	my ($self, $text, $flags) = @_;
2765		3035
2766	utf8::encode $text;	3036	utf8::encode $text;
2767	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3037	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3038	}
		3039
		3040	=item $client->send_big_packet ($pkt)
		3041
		3042	Like C<send_packet>, but tries to compress large packets, and fragments
		3043	them as required.
		3044
		3045	=cut
		3046
		3047	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3048
		3049	sub cf::client::send_big_packet {
		3050	my ($self, $pkt) = @_;
		3051
		3052	# try lzf for large packets
		3053	$pkt = "lzf " . Compress::LZF::compress $pkt
		3054	if 1024 <= length $pkt and $self->{can_lzf};
		3055
		3056	# split very large packets
		3057	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3058	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3059	$pkt = "frag";
		3060	}
		3061
		3062	$self->send_packet ($pkt);
2768	}	3063	}
2769		3064
2770	=item $client->send_msg ($channel, $msg, $color, [extra...])	3065	=item $client->send_msg ($channel, $msg, $color, [extra...])
2771		3066
2772	Send a drawinfo or msg packet to the client, formatting the msg for the	3067	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2776		3071
2777	=cut	3072	=cut
2778		3073
2779	# non-persistent channels (usually the info channel)	3074	# non-persistent channels (usually the info channel)
2780	our %CHANNEL = (	3075	our %CHANNEL = (
		3076	"c/motd" => {
		3077	id => "infobox",
		3078	title => "MOTD",
		3079	reply => undef,
		3080	tooltip => "The message of the day",
		3081	},
2781	"c/identify" => {	3082	"c/identify" => {
2782	id => "infobox",	3083	id => "infobox",
2783	title => "Identify",	3084	title => "Identify",
2784	reply => undef,	3085	reply => undef,
2785	tooltip => "Items recently identified",	3086	tooltip => "Items recently identified",
…		…
2787	"c/examine" => {	3088	"c/examine" => {
2788	id => "infobox",	3089	id => "infobox",
2789	title => "Examine",	3090	title => "Examine",
2790	reply => undef,	3091	reply => undef,
2791	tooltip => "Signs and other items you examined",	3092	tooltip => "Signs and other items you examined",
		3093	},
		3094	"c/shopinfo" => {
		3095	id => "infobox",
		3096	title => "Shop Info",
		3097	reply => undef,
		3098	tooltip => "What your bargaining skill tells you about the shop",
2792	},	3099	},
2793	"c/book" => {	3100	"c/book" => {
2794	id => "infobox",	3101	id => "infobox",
2795	title => "Book",	3102	title => "Book",
2796	reply => undef,	3103	reply => undef,
…		…
2812	id => "infobox",	3119	id => "infobox",
2813	title => "Body Parts",	3120	title => "Body Parts",
2814	reply => undef,	3121	reply => undef,
2815	tooltip => "Shows which body parts you posess and are available",	3122	tooltip => "Shows which body parts you posess and are available",
2816	},	3123	},
		3124	"c/statistics" => {
		3125	id => "infobox",
		3126	title => "Statistics",
		3127	reply => undef,
		3128	tooltip => "Shows your primary statistics",
		3129	},
		3130	"c/skills" => {
		3131	id => "infobox",
		3132	title => "Skills",
		3133	reply => undef,
		3134	tooltip => "Shows your experience per skill and item power",
		3135	},
		3136	"c/shopitems" => {
		3137	id => "infobox",
		3138	title => "Shop Items",
		3139	reply => undef,
		3140	tooltip => "Shows the items currently for sale in this shop",
		3141	},
		3142	"c/resistances" => {
		3143	id => "infobox",
		3144	title => "Resistances",
		3145	reply => undef,
		3146	tooltip => "Shows your resistances",
		3147	},
		3148	"c/pets" => {
		3149	id => "infobox",
		3150	title => "Pets",
		3151	reply => undef,
		3152	tooltip => "Shows information abotu your pets/a specific pet",
		3153	},
		3154	"c/perceiveself" => {
		3155	id => "infobox",
		3156	title => "Perceive Self",
		3157	reply => undef,
		3158	tooltip => "You gained detailed knowledge about yourself",
		3159	},
2817	"c/uptime" => {	3160	"c/uptime" => {
2818	id => "infobox",	3161	id => "infobox",
2819	title => "Uptime",	3162	title => "Uptime",
2820	reply => undef,	3163	reply => undef,
2821	tooltip => "How long the server has been running since last restart",	3164	tooltip => "How long the server has been running since last restart",
…		…
2824	id => "infobox",	3167	id => "infobox",
2825	title => "Map Info",	3168	title => "Map Info",
2826	reply => undef,	3169	reply => undef,
2827	tooltip => "Information related to the maps",	3170	tooltip => "Information related to the maps",
2828	},	3171	},
		3172	"c/party" => {
		3173	id => "party",
		3174	title => "Party",
		3175	reply => "gsay ",
		3176	tooltip => "Messages and chat related to your party",
		3177	},
		3178	"c/death" => {
		3179	id => "death",
		3180	title => "Death",
		3181	reply => undef,
		3182	tooltip => "Reason for and more info about your most recent death",
		3183	},
		3184	"c/say" => $SAY_CHANNEL,
		3185	"c/chat" => $CHAT_CHANNEL,
2829	);	3186	);
2830		3187
2831	sub cf::client::send_msg {	3188	sub cf::client::send_msg {
2832	my ($self, $channel, $msg, $color, @extra) = @_;	3189	my ($self, $channel, $msg, $color, @extra) = @_;
2833		3190
2834	$msg = $self->pl->expand_cfpod ($msg);	3191	$msg = $self->pl->expand_cfpod ($msg)
		3192	unless $color & cf::NDI_VERBATIM;
2835		3193
2836	$color &= cf::NDI_CLIENT_MASK; # just in case...	3194	$color &= cf::NDI_CLIENT_MASK; # just in case...
2837		3195
2838	# check predefined channels, for the benefit of C	3196	# check predefined channels, for the benefit of C
2839	if ($CHANNEL{$channel}) {	3197	if ($CHANNEL{$channel}) {
2840	$channel = $CHANNEL{$channel};	3198	$channel = $CHANNEL{$channel};
2841		3199
2842	$self->ext_msg (channel_info => $channel)	3200	$self->ext_msg (channel_info => $channel);
2843	if $self->can_msg;
2844
2845	$channel = $channel->{id};	3201	$channel = $channel->{id};
2846		3202
2847	} elsif (ref $channel) {	3203	} elsif (ref $channel) {
2848	# send meta info to client, if not yet sent	3204	# send meta info to client, if not yet sent
2849	unless (exists $self->{channel}{$channel->{id}}) {	3205	unless (exists $self->{channel}{$channel->{id}}) {
2850	$self->{channel}{$channel->{id}} = $channel;	3206	$self->{channel}{$channel->{id}} = $channel;
2851	$self->ext_msg (channel_info => $channel)	3207	$self->ext_msg (channel_info => $channel);
2852	if $self->can_msg;
2853	}	3208	}
2854		3209
2855	$channel = $channel->{id};	3210	$channel = $channel->{id};
2856	}	3211	}
2857		3212
2858	return unless @extra || length $msg;	3213	return unless @extra || length $msg;
2859		3214
2860	if ($self->can_msg) {
2861	# default colour, mask it out	3215	# default colour, mask it out
2862	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3216	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2863	if $color & cf::NDI_DEF;	3217	if $color & cf::NDI_DEF;
2864		3218
2865	$self->send_packet ("msg " . $self->{json_coder}->encode (	3219	my $pkt = "msg "
		3220	. $self->{json_coder}->encode (
2866	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3221	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2867	} else {	3222	);
2868	if ($color >= 0) {
2869	# replace some tags by gcfclient-compatible ones
2870	for ($msg) {
2871	1 while
2872	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2873	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2874	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2875	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2876	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2877	}
2878		3223
2879	$color &= cf::NDI_COLOR_MASK;	3224	$self->send_big_packet ($pkt);
2880
2881	utf8::encode $msg;
2882
2883	if (0 && $msg =~ /\[/) {
2884	# COMMAND/INFO
2885	$self->send_packet ("drawextinfo $color 10 8 $msg")
2886	} else {
2887	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2888	$self->send_packet ("drawinfo $color $msg")
2889	}
2890	}
2891	}
2892	}	3225	}
2893		3226
2894	=item $client->ext_msg ($type, @msg)	3227	=item $client->ext_msg ($type, @msg)
2895		3228
2896	Sends an ext event to the client.	3229	Sends an ext event to the client.
…		…
2899		3232
2900	sub cf::client::ext_msg($$@) {	3233	sub cf::client::ext_msg($$@) {
2901	my ($self, $type, @msg) = @_;	3234	my ($self, $type, @msg) = @_;
2902		3235
2903	if ($self->extcmd == 2) {	3236	if ($self->extcmd == 2) {
2904	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3237	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2905	} elsif ($self->extcmd == 1) { # TODO: remove	3238	} elsif ($self->extcmd == 1) { # TODO: remove
2906	push @msg, msgtype => "event_$type";	3239	push @msg, msgtype => "event_$type";
2907	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3240	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2908	}	3241	}
2909	}	3242	}
2910		3243
2911	=item $client->ext_reply ($msgid, @msg)	3244	=item $client->ext_reply ($msgid, @msg)
2912		3245
…		…
2915	=cut	3248	=cut
2916		3249
2917	sub cf::client::ext_reply($$@) {	3250	sub cf::client::ext_reply($$@) {
2918	my ($self, $id, @msg) = @_;	3251	my ($self, $id, @msg) = @_;
2919		3252
2920	if ($self->extcmd == 2) {	3253	return unless $self->extcmd == 2;
		3254
2921	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3255	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2922	} elsif ($self->extcmd == 1) {
2923	#TODO: version 1, remove
2924	unshift @msg, msgtype => "reply", msgid => $id;
2925	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2926	}
2927	}	3256	}
2928		3257
2929	=item $success = $client->query ($flags, "text", \&cb)	3258	=item $success = $client->query ($flags, "text", \&cb)
2930		3259
2931	Queues a query to the client, calling the given callback with	3260	Queues a query to the client, calling the given callback with
…		…
2986	my ($ns, $buf) = @_;	3315	my ($ns, $buf) = @_;
2987		3316
2988	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3317	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2989		3318
2990	if (ref $msg) {	3319	if (ref $msg) {
2991	my ($type, $reply, @payload) =	3320	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2992	"ARRAY" eq ref $msg
2993	? @$msg
2994	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2995		3321
2996	my @reply;	3322	my @reply;
2997		3323
2998	if (my $cb = $EXTICMD{$type}) {	3324	if (my $cb = $EXTICMD{$type}) {
2999	@reply = $cb->($ns, @payload);	3325	@reply = $cb->($ns, @payload);
…		…
3001		3327
3002	$ns->ext_reply ($reply, @reply)	3328	$ns->ext_reply ($reply, @reply)
3003	if $reply;	3329	if $reply;
3004		3330
3005	} else {	3331	} else {
3006	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3332	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3007	}	3333	}
3008		3334
3009	cf::override;	3335	cf::override;
3010	},	3336	},
3011	);	3337	);
…		…
3031		3357
3032	$coro	3358	$coro
3033	}	3359	}
3034		3360
3035	cf::client->attach (	3361	cf::client->attach (
3036	on_destroy => sub {	3362	on_client_destroy => sub {
3037	my ($ns) = @_;	3363	my ($ns) = @_;
3038		3364
3039	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3365	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3040	},	3366	},
3041	);	3367	);
…		…
3057	our $safe_hole = new Safe::Hole;	3383	our $safe_hole = new Safe::Hole;
3058		3384
3059	$SIG{FPE} = 'IGNORE';	3385	$SIG{FPE} = 'IGNORE';
3060		3386
3061	$safe->permit_only (Opcode::opset qw(	3387	$safe->permit_only (Opcode::opset qw(
3062	:base_core :base_mem :base_orig :base_math	3388	:base_core :base_mem :base_orig :base_math :base_loop
3063	grepstart grepwhile mapstart mapwhile	3389	grepstart grepwhile mapstart mapwhile
3064	sort time	3390	sort time
3065	));	3391	));
3066		3392
3067	# here we export the classes and methods available to script code	3393	# here we export the classes and methods available to script code
…		…
3070		3396
3071	The following functions and methods are available within a safe environment:	3397	The following functions and methods are available within a safe environment:
3072		3398
3073	cf::object	3399	cf::object
3074	contr pay_amount pay_player map x y force_find force_add destroy	3400	contr pay_amount pay_player map x y force_find force_add destroy
3075	insert remove name archname title slaying race decrease_ob_nr	3401	insert remove name archname title slaying race decrease split
		3402	value
3076		3403
3077	cf::object::player	3404	cf::object::player
3078	player	3405	player
3079		3406
3080	cf::player	3407	cf::player
…		…
3085		3412
3086	=cut	3413	=cut
3087		3414
3088	for (	3415	for (
3089	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3416	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3090	insert remove inv name archname title slaying race	3417	insert remove inv nrof name archname title slaying race
3091	decrease_ob_nr destroy)],	3418	decrease split destroy change_exp value msg lore send_msg)],
3092	["cf::object::player" => qw(player)],	3419	["cf::object::player" => qw(player)],
3093	["cf::player" => qw(peaceful)],	3420	["cf::player" => qw(peaceful send_msg)],
3094	["cf::map" => qw(trigger)],	3421	["cf::map" => qw(trigger)],
3095	) {	3422	) {
3096	no strict 'refs';
3097	my ($pkg, @funs) = @$_;	3423	my ($pkg, @funs) = @$_;
3098	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3424	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3099	for @funs;	3425	for @funs;
3100	}	3426	}
3101		3427
…		…
3116		3442
3117	my $qcode = $code;	3443	my $qcode = $code;
3118	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3444	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3119	$qcode =~ s/\n/\\n/g;	3445	$qcode =~ s/\n/\\n/g;
3120		3446
		3447	%vars = (_dummy => 0) unless %vars;
		3448
		3449	my @res;
3121	local $_;	3450	local $_;
3122	local @safe::cf::_safe_eval_args = values %vars;
3123		3451
3124	my $eval =	3452	my $eval =
3125	"do {\n"	3453	"do {\n"
3126	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3454	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3127	. "#line 0 \"{$qcode}\"\n"	3455	. "#line 0 \"{$qcode}\"\n"
3128	. $code	3456	. $code
3129	. "\n}"	3457	. "\n}"
3130	;	3458	;
3131		3459
		3460	if ($CFG{safe_eval}) {
3132	sub_generation_inc;	3461	sub_generation_inc;
		3462	local @safe::cf::_safe_eval_args = values %vars;
3133	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3463	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3134	sub_generation_inc;	3464	sub_generation_inc;
		3465	} else {
		3466	local @cf::_safe_eval_args = values %vars;
		3467	@res = wantarray ? eval eval : scalar eval $eval;
		3468	}
3135		3469
3136	if ($@) {	3470	if ($@) {
3137	warn "$@";	3471	warn "$@",
3138	warn "while executing safe code '$code'\n";	3472	"while executing safe code '$code'\n",
3139	warn "with arguments " . (join " ", %vars) . "\n";	3473	"with arguments " . (join " ", %vars) . "\n";
3140	}	3474	}
3141		3475
3142	wantarray ? @res : $res[0]	3476	wantarray ? @res : $res[0]
3143	}	3477	}
3144		3478
…		…
3158	=cut	3492	=cut
3159		3493
3160	sub register_script_function {	3494	sub register_script_function {
3161	my ($fun, $cb) = @_;	3495	my ($fun, $cb) = @_;
3162		3496
3163	no strict 'refs';	3497	$fun = "safe::$fun" if $CFG{safe_eval};
3164	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3498	*$fun = $safe_hole->wrap ($cb);
3165	}	3499	}
3166		3500
3167	=back	3501	=back
3168		3502
3169	=cut	3503	=cut
…		…
3178	# for this (global event?)	3512	# for this (global event?)
3179	%ext::player_env::MUSIC_FACE_CACHE = ();	3513	%ext::player_env::MUSIC_FACE_CACHE = ();
3180		3514
3181	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3515	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3182		3516
3183	warn "loading facedata from $path\n";	3517	trace "loading facedata from $path\n";
3184		3518
3185	my $facedata;	3519	my $facedata = decode_storable load_file $path;
3186	0 < aio_load $path, $facedata
3187	or die "$path: $!";
3188
3189	$facedata = Coro::Storable::thaw $facedata;
3190		3520
3191	$facedata->{version} == 2	3521	$facedata->{version} == 2
3192	or cf::cleanup "$path: version mismatch, cannot proceed.";	3522	or cf::cleanup "$path: version mismatch, cannot proceed.";
3193		3523
3194	# patch in the exptable	3524	# patch in the exptable
		3525	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3195	$facedata->{resource}{"res/exp_table"} = {	3526	$facedata->{resource}{"res/exp_table"} = {
3196	type => FT_RSRC,	3527	type => FT_RSRC,
3197	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3528	data => $exp_table,
		3529	hash => (Digest::MD5::md5 $exp_table),
3198	};	3530	};
3199	cf::cede_to_tick;	3531	cf::cede_to_tick;
3200		3532
3201	{	3533	{
3202	my $faces = $facedata->{faceinfo};	3534	my $faces = $facedata->{faceinfo};
…		…
3204	while (my ($face, $info) = each %$faces) {	3536	while (my ($face, $info) = each %$faces) {
3205	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3537	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3206		3538
3207	cf::face::set_visibility $idx, $info->{visibility};	3539	cf::face::set_visibility $idx, $info->{visibility};
3208	cf::face::set_magicmap $idx, $info->{magicmap};	3540	cf::face::set_magicmap $idx, $info->{magicmap};
3209	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3541	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3210	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3542	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3543	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3211		3544
3212	cf::cede_to_tick;	3545	cf::cede_to_tick;
3213	}	3546	}
3214		3547
3215	while (my ($face, $info) = each %$faces) {	3548	while (my ($face, $info) = each %$faces) {
…		…
3220		3553
3221	if (my $smooth = cf::face::find $info->{smooth}) {	3554	if (my $smooth = cf::face::find $info->{smooth}) {
3222	cf::face::set_smooth $idx, $smooth;	3555	cf::face::set_smooth $idx, $smooth;
3223	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3556	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3224	} else {	3557	} else {
3225	warn "smooth face '$info->{smooth}' not found for face '$face'";	3558	error "smooth face '$info->{smooth}' not found for face '$face'";
3226	}	3559	}
3227		3560
3228	cf::cede_to_tick;	3561	cf::cede_to_tick;
3229	}	3562	}
3230	}	3563	}
…		…
3239		3572
3240	cf::anim::invalidate_all; # d'oh	3573	cf::anim::invalidate_all; # d'oh
3241	}	3574	}
3242		3575
3243	{	3576	{
3244	# TODO: for gcfclient pleasure, we should give resources
3245	# that gcfclient doesn't grok a >10000 face index.
3246	my $res = $facedata->{resource};	3577	my $res = $facedata->{resource};
3247		3578
3248	while (my ($name, $info) = each %$res) {	3579	while (my ($name, $info) = each %$res) {
3249	if (defined $info->{type}) {	3580	if (defined (my $type = $info->{type})) {
		3581	# TODO: different hash - must free and use new index, or cache ixface data queue
3250	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3582	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3251	my $data;
3252		3583
3253	if ($info->{type} & 1) {	3584	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3254	# prepend meta info
3255
3256	my $meta = $enc->encode ({
3257	name => $name,
3258	%{ $info->{meta} || {} },
3259	});
3260
3261	$data = pack "(w/a*)*", $meta, $info->{data};
3262	} else {
3263	$data = $info->{data};
3264	}
3265
3266	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3267	cf::face::set_type $idx, $info->{type};	3585	cf::face::set_type $idx, $type;
		3586	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
3268	} else {	3587	} else {
3269	$RESOURCE{$name} = $info;	3588	# $RESOURCE{$name} = $info; # unused
3270	}	3589	}
3271		3590
3272	cf::cede_to_tick;	3591	cf::cede_to_tick;
3273	}	3592	}
3274	}	3593	}
3275		3594
3276	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3595	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3277		3596
3278	1	3597	1
3279	}	3598	}
3280
3281	cf::global->attach (on_resource_update => sub {
3282	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3283	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3284
3285	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3286	my $sound = $soundconf->{compat}[$_]
3287	or next;
3288
3289	my $face = cf::face::find "sound/$sound->[1]";
3290	cf::sound::set $sound->[0] => $face;
3291	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3292	}
3293
3294	while (my ($k, $v) = each %{$soundconf->{event}}) {
3295	my $face = cf::face::find "sound/$v";
3296	cf::sound::set $k => $face;
3297	}
3298	}
3299	});
3300		3599
3301	register_exticmd fx_want => sub {	3600	register_exticmd fx_want => sub {
3302	my ($ns, $want) = @_;	3601	my ($ns, $want) = @_;
3303		3602
3304	while (my ($k, $v) = each %$want) {	3603	while (my ($k, $v) = each %$want) {
3305	$ns->fx_want ($k, $v);	3604	$ns->fx_want ($k, $v);
3306	}	3605	}
3307	};	3606	};
		3607
		3608	sub load_resource_file($) {
		3609	my $guard = lock_acquire "load_resource_file";
		3610
		3611	my $status = load_resource_file_ $_[0];
		3612	get_slot 0.1, 100;
		3613	cf::arch::commit_load;
		3614
		3615	$status
		3616	}
3308		3617
3309	sub reload_regions {	3618	sub reload_regions {
3310	# HACK to clear player env face cache, we need some signal framework	3619	# HACK to clear player env face cache, we need some signal framework
3311	# for this (global event?)	3620	# for this (global event?)
3312	%ext::player_env::MUSIC_FACE_CACHE = ();	3621	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3326	}	3635	}
3327		3636
3328	sub reload_archetypes {	3637	sub reload_archetypes {
3329	load_resource_file "$DATADIR/archetypes"	3638	load_resource_file "$DATADIR/archetypes"
3330	or die "unable to load archetypes\n";	3639	or die "unable to load archetypes\n";
3331	#d# NEED to laod twice to resolve forward references
3332	# this really needs to be done in an extra post-pass
3333	# (which needs to be synchronous, so solve it differently)
3334	load_resource_file "$DATADIR/archetypes"
3335	or die "unable to load archetypes\n";
3336	}	3640	}
3337		3641
3338	sub reload_treasures {	3642	sub reload_treasures {
3339	load_resource_file "$DATADIR/treasures"	3643	load_resource_file "$DATADIR/treasures"
3340	or die "unable to load treasurelists\n";	3644	or die "unable to load treasurelists\n";
3341	}	3645	}
3342		3646
		3647	sub reload_sound {
		3648	trace "loading sound config from $DATADIR/sound\n";
		3649
		3650	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3651
		3652	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3653	my $sound = $soundconf->{compat}[$_]
		3654	or next;
		3655
		3656	my $face = cf::face::find "sound/$sound->[1]";
		3657	cf::sound::set $sound->[0] => $face;
		3658	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3659	}
		3660
		3661	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3662	my $face = cf::face::find "sound/$v";
		3663	cf::sound::set $k => $face;
		3664	}
		3665	}
		3666
3343	sub reload_resources {	3667	sub reload_resources {
3344	warn "reloading resource files...\n";	3668	trace "reloading resource files...\n";
3345		3669
		3670	reload_exp_table;
		3671	reload_materials;
		3672	reload_facedata;
		3673	reload_sound;
		3674	reload_archetypes;
3346	reload_regions;	3675	reload_regions;
3347	reload_facedata;
3348	#reload_archetypes;#d#
3349	reload_archetypes;
3350	reload_treasures;	3676	reload_treasures;
3351		3677
3352	warn "finished reloading resource files\n";	3678	trace "finished reloading resource files\n";
3353	}
3354
3355	sub init {
3356	reload_resources;
3357	}	3679	}
3358		3680
3359	sub reload_config {	3681	sub reload_config {
3360	open my $fh, "<:utf8", "$CONFDIR/config"	3682	trace "reloading config file...\n";
3361	or return;
3362		3683
3363	local $/;	3684	my $config = load_file "$CONFDIR/config";
3364	*CFG = YAML::Load <$fh>;	3685	utf8::decode $config;
		3686	*CFG = decode_yaml $config;
3365		3687
3366	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3688	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3367		3689
3368	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3690	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3369	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3691	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3370		3692
3371	if (exists $CFG{mlockall}) {	3693	if (exists $CFG{mlockall}) {
…		…
3375	};	3697	};
3376	warn $@ if $@;	3698	warn $@ if $@;
3377	}	3699	}
3378	}	3700	}
3379		3701
		3702	sub pidfile() {
		3703	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3704	or die "$PIDFILE: $!";
		3705	flock $fh, &Fcntl::LOCK_EX
		3706	or die "$PIDFILE: flock: $!";
		3707	$fh
		3708	}
		3709
		3710	# make sure only one server instance is running at any one time
		3711	sub atomic {
		3712	my $fh = pidfile;
		3713
		3714	my $pid = <$fh>;
		3715	kill 9, $pid if $pid > 0;
		3716
		3717	seek $fh, 0, 0;
		3718	print $fh $$;
		3719	}
		3720
		3721	sub main_loop {
		3722	trace "EV::loop starting\n";
		3723	if (1) {
		3724	EV::loop;
		3725	}
		3726	trace "EV::loop returned\n";
		3727	goto &main_loop unless $REALLY_UNLOOP;
		3728	}
		3729
3380	sub main {	3730	sub main {
		3731	cf::init_globals; # initialise logging
		3732
		3733	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3734	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3735	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3736	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3737
		3738	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3739
3381	# we must not ever block the main coroutine	3740	# we must not ever block the main coroutine
3382	local $Coro::idle = sub {	3741	local $Coro::idle = sub {
3383	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3742	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3384	(async {	3743	(async {
3385	$Coro::current->{desc} = "IDLE BUG HANDLER";	3744	$Coro::current->{desc} = "IDLE BUG HANDLER";
3386	EV::loop EV::LOOP_ONESHOT;	3745	EV::loop EV::LOOP_ONESHOT;
3387	})->prio (Coro::PRIO_MAX);	3746	})->prio (Coro::PRIO_MAX);
3388	};	3747	};
3389		3748
3390	reload_config;
3391	db_init;
3392	load_extensions;
3393
3394	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3395	evthread_start IO::AIO::poll_fileno;	3749	evthread_start IO::AIO::poll_fileno;
3396	EV::loop;	3750
		3751	cf::sync_job {
		3752	cf::incloader::init ();
		3753
		3754	cf::init_anim;
		3755	cf::init_attackmess;
		3756	cf::init_dynamic;
		3757
		3758	cf::load_settings;
		3759
		3760	reload_resources;
		3761	reload_config;
		3762	db_init;
		3763
		3764	cf::init_uuid;
		3765	cf::init_signals;
		3766	cf::init_skills;
		3767
		3768	cf::init_beforeplay;
		3769
		3770	atomic;
		3771
		3772	load_extensions;
		3773
		3774	utime time, time, $RUNTIMEFILE;
		3775
		3776	# no (long-running) fork's whatsoever before this point(!)
		3777	use POSIX ();
		3778	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3779
		3780	cf::_post_init 0;
		3781	};
		3782
		3783	cf::object::thawer::errors_are_fatal 0;
		3784	info "parse errors in files are no longer fatal from this point on.\n";
		3785
		3786	AE::postpone {
		3787	undef &main; # free gobs of memory :)
		3788	};
		3789
		3790	goto &main_loop;
3397	}	3791	}
3398		3792
3399	#############################################################################	3793	#############################################################################
3400	# initialisation and cleanup	3794	# initialisation and cleanup
3401		3795
3402	# install some emergency cleanup handlers	3796	# install some emergency cleanup handlers
3403	BEGIN {	3797	BEGIN {
3404	our %SIGWATCHER = ();	3798	our %SIGWATCHER = ();
3405	for my $signal (qw(INT HUP TERM)) {	3799	for my $signal (qw(INT HUP TERM)) {
3406	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3800	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3407	cf::cleanup "SIG$signal";	3801	cf::cleanup "SIG$signal";
3408	};	3802	};
3409	}	3803	}
3410	}	3804	}
3411		3805
3412	sub write_runtime_sync {	3806	sub write_runtime_sync {
3413	my $runtime = "$LOCALDIR/runtime";	3807	my $t0 = AE::time;
3414		3808
3415	# first touch the runtime file to show we are still running:	3809	# first touch the runtime file to show we are still running:
3416	# the fsync below can take a very very long time.	3810	# the fsync below can take a very very long time.
3417		3811
3418	IO::AIO::aio_utime $runtime, undef, undef;	3812	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3419		3813
3420	my $guard = cf::lock_acquire "write_runtime";	3814	my $guard = cf::lock_acquire "write_runtime";
3421		3815
3422	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3816	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3423	or return;	3817	or return;
3424		3818
3425	my $value = $cf::RUNTIME + 90 + 10;	3819	my $value = $cf::RUNTIME + 90 + 10;
3426	# 10 is the runtime save interval, for a monotonic clock	3820	# 10 is the runtime save interval, for a monotonic clock
3427	# 60 allows for the watchdog to kill the server.	3821	# 60 allows for the watchdog to kill the server.
…		…
3437	aio_utime $fh, undef, undef;	3831	aio_utime $fh, undef, undef;
3438		3832
3439	close $fh	3833	close $fh
3440	or return;	3834	or return;
3441		3835
3442	aio_rename "$runtime~", $runtime	3836	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3443	and return;	3837	and return;
3444		3838
3445	warn "runtime file written.\n";	3839	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3446		3840
3447	1	3841	1
3448	}	3842	}
3449		3843
3450	our $uuid_lock;	3844	our $uuid_lock;
…		…
3459	my $uuid = "$LOCALDIR/uuid";	3853	my $uuid = "$LOCALDIR/uuid";
3460		3854
3461	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3855	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3462	or return;	3856	or return;
3463		3857
3464	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3858	my $value = uuid_seq uuid_cur;
		3859
		3860	unless ($value) {
		3861	info "cowardly refusing to write zero uuid value!\n";
		3862	return;
		3863	}
		3864
		3865	my $value = uuid_str $value + $uuid_skip;
3465	$uuid_skip = 0;	3866	$uuid_skip = 0;
3466		3867
3467	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3868	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3468	and return;	3869	and return;
3469		3870
…		…
3475	or return;	3876	or return;
3476		3877
3477	aio_rename "$uuid~", $uuid	3878	aio_rename "$uuid~", $uuid
3478	and return;	3879	and return;
3479		3880
3480	warn "uuid file written ($value).\n";	3881	trace "uuid file written ($value).\n";
3481		3882
3482	1	3883	1
3483		3884
3484	}	3885	}
3485		3886
…		…
3491	}	3892	}
3492		3893
3493	sub emergency_save() {	3894	sub emergency_save() {
3494	my $freeze_guard = cf::freeze_mainloop;	3895	my $freeze_guard = cf::freeze_mainloop;
3495		3896
3496	warn "enter emergency perl save\n";	3897	info "emergency_perl_save: enter\n";
		3898
		3899	# this is a trade-off: we want to be very quick here, so
		3900	# save all maps without fsync, and later call a global sync
		3901	# (which in turn might be very very slow)
		3902	local $USE_FSYNC = 0;
3497		3903
3498	cf::sync_job {	3904	cf::sync_job {
		3905	cf::write_runtime_sync; # external watchdog should not bark
		3906
3499	# use a peculiar iteration method to avoid tripping on perl	3907	# use a peculiar iteration method to avoid tripping on perl
3500	# refcount bugs in for. also avoids problems with players	3908	# refcount bugs in for. also avoids problems with players
3501	# and maps saved/destroyed asynchronously.	3909	# and maps saved/destroyed asynchronously.
3502	warn "begin emergency player save\n";	3910	info "emergency_perl_save: begin player save\n";
3503	for my $login (keys %cf::PLAYER) {	3911	for my $login (keys %cf::PLAYER) {
3504	my $pl = $cf::PLAYER{$login} or next;	3912	my $pl = $cf::PLAYER{$login} or next;
3505	$pl->valid or next;	3913	$pl->valid or next;
3506	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3914	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3507	$pl->save;	3915	$pl->save;
3508	}	3916	}
3509	warn "end emergency player save\n";	3917	info "emergency_perl_save: end player save\n";
3510		3918
3511	warn "begin emergency map save\n";	3919	cf::write_runtime_sync; # external watchdog should not bark
		3920
		3921	info "emergency_perl_save: begin map save\n";
3512	for my $path (keys %cf::MAP) {	3922	for my $path (keys %cf::MAP) {
3513	my $map = $cf::MAP{$path} or next;	3923	my $map = $cf::MAP{$path} or next;
3514	$map->valid or next;	3924	$map->valid or next;
3515	$map->save;	3925	$map->save;
3516	}	3926	}
3517	warn "end emergency map save\n";	3927	info "emergency_perl_save: end map save\n";
3518		3928
3519	warn "begin emergency database checkpoint\n";	3929	cf::write_runtime_sync; # external watchdog should not bark
		3930
		3931	info "emergency_perl_save: begin database checkpoint\n";
3520	BDB::db_env_txn_checkpoint $DB_ENV;	3932	BDB::db_env_txn_checkpoint $DB_ENV;
3521	warn "end emergency database checkpoint\n";	3933	info "emergency_perl_save: end database checkpoint\n";
3522		3934
3523	warn "begin write uuid\n";	3935	info "emergency_perl_save: begin write uuid\n";
3524	write_uuid_sync 1;	3936	write_uuid_sync 1;
3525	warn "end write uuid\n";	3937	info "emergency_perl_save: end write uuid\n";
		3938
		3939	cf::write_runtime_sync; # external watchdog should not bark
		3940
		3941	trace "emergency_perl_save: syncing database to disk";
		3942	BDB::db_env_txn_checkpoint $DB_ENV;
		3943
		3944	info "emergency_perl_save: starting sync\n";
		3945	IO::AIO::aio_sync sub {
		3946	info "emergency_perl_save: finished sync\n";
		3947	};
		3948
		3949	cf::write_runtime_sync; # external watchdog should not bark
		3950
		3951	trace "emergency_perl_save: flushing outstanding aio requests";
		3952	while (IO::AIO::nreqs || BDB::nreqs) {
		3953	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3954	}
		3955
		3956	cf::write_runtime_sync; # external watchdog should not bark
3526	};	3957	};
3527		3958
3528	warn "leave emergency perl save\n";	3959	info "emergency_perl_save: leave\n";
3529	}	3960	}
3530		3961
3531	sub post_cleanup {	3962	sub post_cleanup {
3532	my ($make_core) = @_;	3963	my ($make_core) = @_;
3533		3964
		3965	IO::AIO::flush;
		3966
3534	warn Carp::longmess "post_cleanup backtrace"	3967	error Carp::longmess "post_cleanup backtrace"
3535	if $make_core;	3968	if $make_core;
		3969
		3970	my $fh = pidfile;
		3971	unlink $PIDFILE if <$fh> == $$;
		3972	}
		3973
		3974	# a safer delete_package, copied from Symbol
		3975	sub clear_package($) {
		3976	my $pkg = shift;
		3977
		3978	# expand to full symbol table name if needed
		3979	unless ($pkg =~ /^main::.*::$/) {
		3980	$pkg = "main$pkg" if $pkg =~ /^::/;
		3981	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3982	$pkg .= '::' unless $pkg =~ /::$/;
		3983	}
		3984
		3985	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3986	my $stem_symtab = *{$stem}{HASH};
		3987
		3988	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3989	or return;
		3990
		3991	# clear all symbols
		3992	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3993	for my $name (keys %$leaf_symtab) {
		3994	_gv_clear *{"$pkg$name"};
		3995	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3996	}
3536	}	3997	}
3537		3998
3538	sub do_reload_perl() {	3999	sub do_reload_perl() {
3539	# can/must only be called in main	4000	# can/must only be called in main
3540	if ($Coro::current != $Coro::main) {	4001	unless (in_main) {
3541	warn "can only reload from main coroutine";	4002	error "can only reload from main coroutine";
3542	return;	4003	return;
3543	}	4004	}
3544		4005
3545	warn "reloading...";	4006	return if $RELOAD++;
3546		4007
3547	warn "entering sync_job";	4008	my $t1 = AE::time;
3548		4009
		4010	while ($RELOAD) {
		4011	cf::get_slot 0.1, -1, "reload_perl";
		4012	info "perl_reload: reloading...";
		4013
		4014	trace "perl_reload: entering sync_job";
		4015
3549	cf::sync_job {	4016	cf::sync_job {
3550	cf::write_runtime_sync; # external watchdog should not bark
3551	cf::emergency_save;	4017	#cf::emergency_save;
3552	cf::write_runtime_sync; # external watchdog should not bark
3553		4018
3554	warn "syncing database to disk";
3555	BDB::db_env_txn_checkpoint $DB_ENV;
3556
3557	# if anything goes wrong in here, we should simply crash as we already saved
3558
3559	warn "flushing outstanding aio requests";
3560	for (;;) {
3561	BDB::flush;
3562	IO::AIO::flush;
3563	Coro::cede_notself;
3564	last unless IO::AIO::nreqs || BDB::nreqs;
3565	warn "iterate...";
3566	}
3567
3568	++$RELOAD;
3569
3570	warn "cancelling all extension coros";	4019	trace "perl_reload: cancelling all extension coros";
3571	$_->cancel for values %EXT_CORO;	4020	$_->cancel for values %EXT_CORO;
3572	%EXT_CORO = ();	4021	%EXT_CORO = ();
3573		4022
3574	warn "removing commands";	4023	trace "perl_reload: removing commands";
3575	%COMMAND = ();	4024	%COMMAND = ();
3576		4025
3577	warn "removing ext/exti commands";	4026	trace "perl_reload: removing ext/exti commands";
3578	%EXTCMD = ();	4027	%EXTCMD = ();
3579	%EXTICMD = ();	4028	%EXTICMD = ();
3580		4029
3581	warn "unloading/nuking all extensions";	4030	trace "perl_reload: unloading/nuking all extensions";
3582	for my $pkg (@EXTS) {	4031	for my $pkg (@EXTS) {
3583	warn "... unloading $pkg";	4032	trace "... unloading $pkg";
3584		4033
3585	if (my $cb = $pkg->can ("unload")) {	4034	if (my $cb = $pkg->can ("unload")) {
3586	eval {	4035	eval {
3587	$cb->($pkg);	4036	$cb->($pkg);
3588	1	4037	1
3589	} or warn "$pkg unloaded, but with errors: $@";	4038	} or error "$pkg unloaded, but with errors: $@";
		4039	}
		4040
		4041	trace "... clearing $pkg";
		4042	clear_package $pkg;
3590	}	4043	}
3591		4044
3592	warn "... nuking $pkg";
3593	Symbol::delete_package $pkg;
3594	}
3595
3596	warn "unloading all perl modules loaded from $LIBDIR";	4045	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3597	while (my ($k, $v) = each %INC) {	4046	while (my ($k, $v) = each %INC) {
3598	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4047	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3599		4048
3600	warn "... unloading $k";	4049	trace "... unloading $k";
3601	delete $INC{$k};	4050	delete $INC{$k};
3602		4051
3603	$k =~ s/\.pm$//;	4052	$k =~ s/\.pm$//;
3604	$k =~ s/\//::/g;	4053	$k =~ s/\//::/g;
3605		4054
3606	if (my $cb = $k->can ("unload_module")) {	4055	if (my $cb = $k->can ("unload_module")) {
3607	$cb->();	4056	$cb->();
		4057	}
		4058
		4059	clear_package $k;
3608	}	4060	}
3609		4061
3610	Symbol::delete_package $k;
3611	}
3612
3613	warn "getting rid of safe::, as good as possible";	4062	trace "perl_reload: getting rid of safe::, as good as possible";
3614	Symbol::delete_package "safe::$_"	4063	clear_package "safe::$_"
3615	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4064	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3616		4065
3617	warn "unloading cf.pm \"a bit\"";	4066	trace "perl_reload: unloading cf.pm \"a bit\"";
3618	delete $INC{"cf.pm"};	4067	delete $INC{"cf.pm"};
3619	delete $INC{"cf/pod.pm"};	4068	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3620		4069
3621	# don't, removes xs symbols, too,	4070	# don't, removes xs symbols, too,
3622	# and global variables created in xs	4071	# and global variables created in xs
3623	#Symbol::delete_package __PACKAGE__;	4072	#clear_package __PACKAGE__;
3624		4073
3625	warn "unload completed, starting to reload now";	4074	info "perl_reload: unload completed, starting to reload now";
3626		4075
3627	warn "reloading cf.pm";	4076	trace "perl_reload: reloading cf.pm";
3628	require cf;	4077	require cf;
3629	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4078	cf::_connect_to_perl_1;
3630		4079
3631	warn "loading config and database again";	4080	trace "perl_reload: loading config and database again";
3632	cf::reload_config;	4081	cf::reload_config;
3633		4082
3634	warn "loading extensions";	4083	trace "perl_reload: loading extensions";
3635	cf::load_extensions;	4084	cf::load_extensions;
3636		4085
		4086	if ($REATTACH_ON_RELOAD) {
3637	warn "reattaching attachments to objects/players";	4087	trace "perl_reload: reattaching attachments to objects/players";
3638	_global_reattach; # objects, sockets	4088	_global_reattach; # objects, sockets
3639	warn "reattaching attachments to maps";	4089	trace "perl_reload: reattaching attachments to maps";
3640	reattach $_ for values %MAP;	4090	reattach $_ for values %MAP;
3641	warn "reattaching attachments to players";	4091	trace "perl_reload: reattaching attachments to players";
3642	reattach $_ for values %PLAYER;	4092	reattach $_ for values %PLAYER;
		4093	}
3643		4094
3644	warn "leaving sync_job";	4095	cf::_post_init 1;
3645		4096
		4097	trace "perl_reload: leaving sync_job";
		4098
3646	1	4099	1
3647	} or do {	4100	} or do {
3648	warn $@;	4101	error $@;
3649	cf::cleanup "error while reloading, exiting.";	4102	cf::cleanup "perl_reload: error, exiting.";
		4103	};
		4104
		4105	--$RELOAD;
3650	};	4106	}
3651		4107
3652	warn "reloaded";	4108	$t1 = AE::time - $t1;
		4109	info "perl_reload: completed in ${t1}s\n";
3653	};	4110	};
3654		4111
3655	our $RELOAD_WATCHER; # used only during reload	4112	our $RELOAD_WATCHER; # used only during reload
3656		4113
3657	sub reload_perl() {	4114	sub reload_perl() {
3658	# doing reload synchronously and two reloads happen back-to-back,	4115	# doing reload synchronously and two reloads happen back-to-back,
3659	# coro crashes during coro_state_free->destroy here.	4116	# coro crashes during coro_state_free->destroy here.
3660		4117
		4118	$RELOAD_WATCHER ||= cf::async {
		4119	Coro::AIO::aio_wait cache_extensions;
		4120
3661	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4121	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3662	do_reload_perl;	4122	do_reload_perl;
3663	undef $RELOAD_WATCHER;	4123	undef $RELOAD_WATCHER;
		4124	};
3664	};	4125	};
3665	}	4126	}
3666		4127
3667	register_command "reload" => sub {	4128	register_command "reload" => sub {
3668	my ($who, $arg) = @_;	4129	my ($who, $arg) = @_;
…		…
3674	reload_perl;	4135	reload_perl;
3675	};	4136	};
3676	}	4137	}
3677	};	4138	};
3678		4139
3679	unshift @INC, $LIBDIR;	4140	#############################################################################
3680		4141
3681	my $bug_warning = 0;	4142	my $bug_warning = 0;
3682		4143
3683	our @WAIT_FOR_TICK;
3684	our @WAIT_FOR_TICK_BEGIN;
3685
3686	sub wait_for_tick {	4144	sub wait_for_tick() {
3687	return if tick_inhibit;	4145	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3688	return if $Coro::current == $Coro::main;
3689		4146
3690	my $signal = new Coro::Signal;	4147	$WAIT_FOR_TICK->wait;
3691	push @WAIT_FOR_TICK, $signal;
3692	$signal->wait;
3693	}	4148	}
3694		4149
3695	sub wait_for_tick_begin {	4150	sub wait_for_tick_begin() {
3696	return if tick_inhibit;	4151	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3697	return if $Coro::current == $Coro::main;
3698		4152
3699	my $signal = new Coro::Signal;	4153	my $signal = new Coro::Signal;
3700	push @WAIT_FOR_TICK_BEGIN, $signal;	4154	push @WAIT_FOR_TICK_BEGIN, $signal;
3701	$signal->wait;	4155	$signal->wait;
3702	}	4156	}
…		…
3706	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4160	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3707	unless ++$bug_warning > 10;	4161	unless ++$bug_warning > 10;
3708	return;	4162	return;
3709	}	4163	}
3710		4164
3711	cf::server_tick; # one server iteration	4165	cf::one_tick; # one server iteration
		4166
		4167	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3712		4168
3713	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4169	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3714	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4170	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3715	Coro::async_pool {	4171	Coro::async_pool {
3716	$Coro::current->{desc} = "runtime saver";	4172	$Coro::current->{desc} = "runtime saver";
3717	write_runtime_sync	4173	write_runtime_sync
3718	or warn "ERROR: unable to write runtime file: $!";	4174	or error "ERROR: unable to write runtime file: $!";
3719	};	4175	};
3720	}	4176	}
3721		4177
3722	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4178	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3723	$sig->send;	4179	$sig->send;
3724	}	4180	}
3725	while (my $sig = shift @WAIT_FOR_TICK) {	4181	$WAIT_FOR_TICK->broadcast;
3726	$sig->send;
3727	}
3728		4182
3729	$LOAD = ($NOW - $TICK_START) / $TICK;	4183	$LOAD = ($NOW - $TICK_START) / $TICK;
3730	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4184	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3731		4185
3732	if (0) {	4186	if (0) {
3733	if ($NEXT_TICK) {	4187	if ($NEXT_TICK) {
3734	my $jitter = $TICK_START - $NEXT_TICK;	4188	my $jitter = $TICK_START - $NEXT_TICK;
3735	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4189	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3736	warn "jitter $JITTER\n";#d#	4190	debug "jitter $JITTER\n";#d#
3737	}	4191	}
3738	}	4192	}
3739	}	4193	}
3740		4194
3741	{	4195	{
3742	# configure BDB	4196	# configure BDB
3743		4197
3744	BDB::min_parallel 8;	4198	BDB::min_parallel 16;
3745	BDB::max_poll_reqs $TICK * 0.1;	4199	BDB::max_poll_reqs $TICK * 0.1;
3746	$Coro::BDB::WATCHER->priority (1);	4200	#$AnyEvent::BDB::WATCHER->priority (1);
3747		4201
3748	unless ($DB_ENV) {	4202	unless ($DB_ENV) {
3749	$DB_ENV = BDB::db_env_create;	4203	$DB_ENV = BDB::db_env_create;
3750	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4204	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3751	| BDB::LOG_AUTOREMOVE, 1);	4205	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4206	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3752	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4207	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3753	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4208	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3754		4209
3755	cf::sync_job {	4210	cf::sync_job {
3756	eval {	4211	eval {
…		…
3782	{	4237	{
3783	# configure IO::AIO	4238	# configure IO::AIO
3784		4239
3785	IO::AIO::min_parallel 8;	4240	IO::AIO::min_parallel 8;
3786	IO::AIO::max_poll_time $TICK * 0.1;	4241	IO::AIO::max_poll_time $TICK * 0.1;
3787	$Coro::AIO::WATCHER->priority (1);	4242	undef $AnyEvent::AIO::WATCHER;
3788	}	4243	}
3789		4244
3790	my $_log_backtrace;	4245	our $_log_backtrace;
		4246	our $_log_backtrace_last;
3791		4247
3792	sub _log_backtrace {	4248	sub _log_backtrace {
3793	my ($msg, @addr) = @_;	4249	my ($msg, @addr) = @_;
3794		4250
3795	$msg =~ s/\n//;	4251	$msg =~ s/\n$//;
3796		4252
		4253	if ($_log_backtrace_last eq $msg) {
		4254	LOG llevInfo, "[ABT] $msg\n";
		4255	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3797	# limit the # of concurrent backtraces	4256	# limit the # of concurrent backtraces
3798	if ($_log_backtrace < 2) {	4257	} elsif ($_log_backtrace < 2) {
		4258	$_log_backtrace_last = $msg;
3799	++$_log_backtrace;	4259	++$_log_backtrace;
		4260	my $perl_bt = Carp::longmess $msg;
3800	async {	4261	async {
3801	$Coro::current->{desc} = "abt $msg";	4262	$Coro::current->{desc} = "abt $msg";
3802		4263
3803	my @bt = fork_call {	4264	my @bt = fork_call {
3804	@addr = map { sprintf "%x", $_ } @addr;	4265	@addr = map { sprintf "%x", $_ } @addr;
…		…
3815	}	4276	}
3816		4277
3817	@funcs	4278	@funcs
3818	};	4279	};
3819		4280
3820	LOG llevInfo, "[ABT] $msg\n";	4281	LOG llevInfo, "[ABT] $perl_bt\n";
		4282	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3821	LOG llevInfo, "[ABT] $_\n" for @bt;	4283	LOG llevInfo, "[ABT] $_\n" for @bt;
3822	--$_log_backtrace;	4284	--$_log_backtrace;
3823	};	4285	};
3824	} else {	4286	} else {
3825	LOG llevInfo, "[ABT] $msg\n";	4287	LOG llevInfo, "[ABT] $msg\n";
3826	LOG llevInfo, "[ABT] [suppressed]\n";	4288	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3827	}	4289	}
3828	}	4290	}
3829		4291
3830	# load additional modules	4292	# load additional modules
3831	use cf::pod;	4293	require "cf/$_.pm" for @EXTRA_MODULES;
		4294	cf::_connect_to_perl_2;
3832		4295
3833	END { cf::emergency_save }	4296	END { cf::emergency_save }
3834		4297
3835	1	4298	1
3836		4299

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