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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.398 by root, Wed Dec 5 11:08:34 2007 UTC vs.
Revision 1.581 by root, Fri Feb 3 02:04:11 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use EV;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
13	use Storable ();	34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 4.1 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
18	use Coro::EV;	41	use Coro::EV;
		42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS 2.01 ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.51 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	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";
41	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
42		75
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	76	# strictly for debugging
44	$YAML::Syck::ImplicitUnicode = 1;	77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		78
48	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;
49		82
50	our %COMMAND = ();	83	our %COMMAND = ();
51	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
52		85
53	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
54	our %EXTCMD = ();	87	our %EXTCMD = ();
55	our %EXTICMD = ();	88	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
58		91
59	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
61		96
62	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
63	our $DATADIR = datadir;	99	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
67	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		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;
73		120
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	123	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
81		125
82	our $BDB_POLL_WATCHER;
83	our $BDB_DEADLOCK_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
84	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
85	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
86	our $DB_ENV;	129	our $DB_ENV;
87		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
88	our %CFG;	133	our %CFG;
89		134
90	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
91	our $RUNTIME;	136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
		138	our $NOW;
92		139
93	our (%PLAYER, %PLAYER_LOADING); # all users	140	our (%PLAYER, %PLAYER_LOADING); # all users
94	our (%MAP, %MAP_LOADING ); # all maps	141	our (%MAP, %MAP_LOADING ); # all maps
95	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
96		143
97	# used to convert map paths into valid unix filenames by replacing / by ∕	144	# used to convert map paths into valid unix filenames by replacing / by ∕
98	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
99		146
100	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	147	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
101	our $LOADAVG; # same thing, but with alpha-smoothing	148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
102	our $tick_start; # for load detecting purposes	150	our $TICK_START; # for load detecting purposes
		151
		152	our @POST_INIT;
		153
		154	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		155	our $REALLY_UNLOOP; # never set to true, please :)
		156
		157	our $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
103		159
104	binmode STDOUT;	160	binmode STDOUT;
105	binmode STDERR;	161	binmode STDERR;
106		162
107	# read virtual server time, if available	163	# read virtual server time, if available
108	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
109	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
110	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
111	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
112	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
113		171
114	mkdir $_	172	mkdir $_
115	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
116		174
117	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
118		176
119	sub cf::map::normalise;	177	sub cf::map::normalise;
120		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
121	#############################################################################	183	#############################################################################
122		184
		185	%REFLECT = ();
		186	for (@REFLECT) {
		187	my $reflect = JSON::XS::decode_json $_;
		188	$REFLECT{$reflect->{class}} = $reflect;
		189	}
		190
		191	# this is decidedly evil
		192	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		193
		194	#############################################################################
		195
123	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
124		197
125	=over 4	198	=over 4
126		199
127	=item $cf::UPTIME	200	=item $cf::UPTIME
128		201
129	The timestamp of the server start (so not actually an uptime).	202	The timestamp of the server start (so not actually an "uptime").
		203
		204	=item $cf::SERVER_TICK
		205
		206	An unsigned integer that starts at zero when the server is started and is
		207	incremented on every tick.
		208
		209	=item $cf::NOW
		210
		211	The (real) time of the last (current) server tick - updated before and
		212	after tick processing, so this is useful only as a rough "what time is it
		213	now" estimate.
		214
		215	=item $cf::TICK
		216
		217	The interval between each server tick, in seconds.
130		218
131	=item $cf::RUNTIME	219	=item $cf::RUNTIME
132		220
133	The time this server has run, starts at 0 and is increased by $cf::TICK on	221	The time this server has run, starts at 0 and is increased by $cf::TICK on
134	every server tick.	222	every server tick.
…		…
140	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
141	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
142	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
143	database environment.	231	database environment.
144		232
145	=item $cf::NOW
146
147	The time of the last (current) server tick.
148
149	=item $cf::TICK
150
151	The interval between server ticks, in seconds.
152
153	=item $cf::LOADAVG	233	=item $cf::LOADAVG
154		234
155	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
156	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
157	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
166	from wherever your confdir points to.	246	from wherever your confdir points to.
167		247
168	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
169		249
170	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
171	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
172	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
173		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$cf::WAIT_FOR_TICK>).
		258
		259	=item $cf::WAIT_FOR_TICK
		260
		261	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		262	variable contains a L<Coro::Signal> that is broadcats after every server
		263	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		264	next server tick.
		265
		266	=cut
		267
		268	sub wait_for_tick();
		269	sub wait_for_tick_begin();
		270
174	=item @cf::INVOKE_RESULTS	271	=item @cf::INVOKE_RESULTS
175		272
176	This array contains the results of the last C<invoke ()> call. When	273	This array contains the results of the last C<invoke ()> call. When
177	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	274	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
178	that call.	275	that call.
179		276
		277	=item %cf::REFLECT
		278
		279	Contains, for each (C++) class name, a hash reference with information
		280	about object members (methods, scalars, arrays and flags) and other
		281	metadata, which is useful for introspection.
		282
180	=back	283	=back
181		284
182	=cut	285	=cut
183		286
184	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
185	*CORE::GLOBAL::warn = sub {	288	sub warn (@) { LOG llevWarn , join "", @_ }
		289	sub info (@) { LOG llevInfo , join "", @_ }
		290	sub debug(@) { LOG llevDebug, join "", @_ }
		291	sub trace(@) { LOG llevTrace, join "", @_ }
		292
		293	$Coro::State::WARNHOOK = sub {
186	my $msg = join "", @_;	294	my $msg = join "", @_;
187		295
188	$msg .= "\n"	296	$msg .= "\n"
189	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
190		298
191	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
192		300
193	LOG llevError, $msg;	301	LOG llevWarn, $msg;
194	};	302	};
195	}	303
		304	$Coro::State::DIEHOOK = sub {
		305	return unless $^S eq 0; # "eq", not "=="
		306
		307	error Carp::longmess $_[0];
		308
		309	if (in_main) {#d#
		310	error "DIEHOOK called in main context, Coro bug?\n";#d#
		311	return;#d#
		312	}#d#
		313
		314	# kill coroutine otherwise
		315	Coro::terminate
		316	};
196		317
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	328	for my $pkg (qw(
208	cf::global cf::attachable	329	cf::global cf::attachable
209	cf::object cf::object::player	330	cf::object cf::object::player
210	cf::client cf::player	331	cf::client cf::player
211	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
212	cf::map cf::party cf::region	334	cf::party cf::region
213	)) {	335	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	337	}
217		338
218	$EV::DIED = sub {	339	$EV::DIED = sub {
219	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
220	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
221		347
222	#############################################################################	348	#############################################################################
223		349
224	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
225		351
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	372	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	373	$d
248	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
249	}	375	}
250		376
		377	=item $scalar = cf::load_file $path
		378
		379	Loads the given file from path and returns its contents. Croaks on error
		380	and can block.
		381
		382	=cut
		383
		384	sub load_file($) {
		385	0 <= aio_load $_[0], my $data
		386	or Carp::croak "$_[0]: $!";
		387
		388	$data
		389	}
		390
		391	=item $success = cf::replace_file $path, $data, $sync
		392
		393	Atomically replaces the file at the given $path with new $data, and
		394	optionally $sync the data to disk before replacing the file.
		395
		396	=cut
		397
		398	sub replace_file($$;$) {
		399	my ($path, $data, $sync) = @_;
		400
		401	my $lock = cf::lock_acquire ("replace_file:$path");
		402
		403	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		404	or return;
		405
		406	$data = $data->() if ref $data;
		407
		408	length $data == aio_write $fh, 0, (length $data), $data, 0
		409	or return;
		410
		411	!$sync
		412	or !aio_fsync $fh
		413	or return;
		414
		415	aio_close $fh
		416	and return;
		417
		418	aio_rename "$path~", $path
		419	and return;
		420
		421	if ($sync) {
		422	$path =~ s%/[^/]*$%%;
		423	aio_pathsync $path;
		424	}
		425
		426	1
		427	}
		428
251	=item $ref = cf::decode_json $json	429	=item $ref = cf::decode_json $json
252		430
253	Converts a JSON string into the corresponding perl data structure.	431	Converts a JSON string into the corresponding perl data structure.
254		432
255	=item $json = cf::encode_json $ref	433	=item $json = cf::encode_json $ref
…		…
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	439	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		440
263	sub encode_json($) { $json_coder->encode ($_[0]) }	441	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub decode_json($) { $json_coder->decode ($_[0]) }	442	sub decode_json($) { $json_coder->decode ($_[0]) }
265		443
		444	=item $ref = cf::decode_storable $scalar
		445
		446	Same as Coro::Storable::thaw, so blocks.
		447
		448	=cut
		449
		450	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		451
		452	=item $ref = cf::decode_yaml $scalar
		453
		454	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		455
		456	=cut
		457
		458	sub decode_yaml($) {
		459	fork_call { YAML::XS::Load $_[0] } @_
		460	}
		461
		462	=item $scalar = cf::unlzf $scalar
		463
		464	Same as Compress::LZF::compress, but takes server ticks into account, so
		465	blocks.
		466
		467	=cut
		468
		469	sub unlzf($) {
		470	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		471	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		472	Compress::LZF::decompress $_[0]
		473	}
		474
		475	=item cf::post_init { BLOCK }
		476
		477	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		478	but I<before> the server starts ticking again.
		479
		480	The codeblock will have a single boolean argument to indicate whether this
		481	is a reload or not.
		482
		483	=cut
		484
		485	sub post_init(&) {
		486	push @POST_INIT, shift;
		487	}
		488
		489	sub _post_init {
		490	trace "running post_init jobs";
		491
		492	# run them in parallel...
		493
		494	my @join;
		495
		496	while () {
		497	push @join, map &Coro::async ($_, 0), @POST_INIT;
		498	@POST_INIT = ();
		499
		500	@join or last;
		501
		502	(pop @join)->join;
		503	}
		504	}
		505
266	=item cf::lock_wait $string	506	=item cf::lock_wait $string
267		507
268	Wait until the given lock is available. See cf::lock_acquire.	508	Wait until the given lock is available. See cf::lock_acquire.
269		509
270	=item my $lock = cf::lock_acquire $string	510	=item my $lock = cf::lock_acquire $string
271		511
272	Wait until the given lock is available and then acquires it and returns	512	Wait until the given lock is available and then acquires it and returns
273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	513	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
274	for example when the coroutine gets canceled), the lock is automatically	514	for example when the coroutine gets canceled), the lock is automatically
275	returned.	515	returned.
276		516
277	Locks are *not* recursive, locking from the same coro twice results in a	517	Locks are *not* recursive, locking from the same coro twice results in a
278	deadlocked coro.	518	deadlocked coro.
…		…
284		524
285	Return true if the lock is currently active, i.e. somebody has locked it.	525	Return true if the lock is currently active, i.e. somebody has locked it.
286		526
287	=cut	527	=cut
288		528
289	our %LOCK;	529	our $LOCKS = new Coro::SemaphoreSet;
290	our %LOCKER;#d#
291		530
292	sub lock_wait($) {	531	sub lock_wait($) {
293	my ($key) = @_;	532	$LOCKS->wait ($_[0]);
294
295	if ($LOCKER{$key} == $Coro::current) {#d#
296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
297	return;#d#
298	}#d#
299
300	# wait for lock, if any
301	while ($LOCK{$key}) {
302	push @{ $LOCK{$key} }, $Coro::current;
303	Coro::schedule;
304	}
305	}	533	}
306		534
307	sub lock_acquire($) {	535	sub lock_acquire($) {
308	my ($key) = @_;	536	$LOCKS->guard ($_[0])
309
310	# wait, to be sure we are not locked
311	lock_wait $key;
312
313	$LOCK{$key} = [];
314	$LOCKER{$key} = $Coro::current;#d#
315
316	Coro::guard {
317	delete $LOCKER{$key};#d#
318	# wake up all waiters, to be on the safe side
319	$_->ready for @{ delete $LOCK{$key} };
320	}
321	}	537	}
322		538
323	sub lock_active($) {	539	sub lock_active($) {
324	my ($key) = @_;	540	$LOCKS->count ($_[0]) < 1
325
326	! ! $LOCK{$key}
327	}	541	}
328		542
329	sub freeze_mainloop {	543	sub freeze_mainloop {
330	return unless $TICK_WATCHER->is_active;	544	tick_inhibit_inc;
331		545
332	my $guard = Coro::guard {	546	&Guard::guard (\&tick_inhibit_dec);
333	$TICK_WATCHER->start;
334	};
335	$TICK_WATCHER->stop;
336	$guard
337	}	547	}
338		548
339	=item cf::periodic $interval, $cb	549	=item cf::periodic $interval, $cb
340		550
341	Like EV::periodic, but randomly selects a starting point so that the actions	551	Like EV::periodic, but randomly selects a starting point so that the actions
342	get spread over timer.	552	get spread over time.
343		553
344	=cut	554	=cut
345		555
346	sub periodic($$) {	556	sub periodic($$) {
347	my ($interval, $cb) = @_;	557	my ($interval, $cb) = @_;
…		…
351	EV::periodic $start, $interval, 0, $cb	561	EV::periodic $start, $interval, 0, $cb
352	}	562	}
353		563
354	=item cf::get_slot $time[, $priority[, $name]]	564	=item cf::get_slot $time[, $priority[, $name]]
355		565
356	Allocate $time seconds of blocking CPU time at priority C<$priority>:	566	Allocate $time seconds of blocking CPU time at priority C<$priority>
357	This call blocks and returns only when you have at least C<$time> seconds	567	(default: 0): This call blocks and returns only when you have at least
358	of cpu time till the next tick. The slot is only valid till the next cede.	568	C<$time> seconds of cpu time till the next tick. The slot is only valid
		569	till the next cede.
		570
		571	Background jobs should use a priority les than zero, interactive jobs
		572	should use 100 or more.
359		573
360	The optional C<$name> can be used to identify the job to run. It might be	574	The optional C<$name> can be used to identify the job to run. It might be
361	used for statistical purposes and should identify the same time-class.	575	used for statistical purposes and should identify the same time-class.
362		576
363	Useful for short background jobs.	577	Useful for short background jobs.
364		578
365	=cut	579	=cut
366		580
367	our @SLOT_QUEUE;	581	our @SLOT_QUEUE;
368	our $SLOT_QUEUE;	582	our $SLOT_QUEUE;
		583	our $SLOT_DECAY = 0.9;
369		584
370	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	585	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
371	$SLOT_QUEUE = Coro::async {	586	$SLOT_QUEUE = Coro::async {
372	$Coro::current->desc ("timeslot manager");	587	$Coro::current->desc ("timeslot manager");
373		588
374	my $signal = new Coro::Signal;	589	my $signal = new Coro::Signal;
		590	my $busy;
375		591
376	while () {	592	while () {
377	next_job:	593	next_job:
		594
378	my $avail = cf::till_tick;	595	my $avail = cf::till_tick;
379	if ($avail > 0.01) {	596
380	for (0 .. $#SLOT_QUEUE) {	597	for (0 .. $#SLOT_QUEUE) {
381	if ($SLOT_QUEUE[$_][0] < $avail) {	598	if ($SLOT_QUEUE[$_][0] <= $avail) {
		599	$busy = 0;
382	my $job = splice @SLOT_QUEUE, $_, 1, ();	600	my $job = splice @SLOT_QUEUE, $_, 1, ();
383	$job->[2]->send;	601	$job->[2]->send;
384	Coro::cede;	602	Coro::cede;
385	goto next_job;	603	goto next_job;
386	}	604	} else {
		605	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
387	}	606	}
388	}	607	}
389		608
390	if (@SLOT_QUEUE) {	609	if (@SLOT_QUEUE) {
391	# we do not use wait_for_tick() as it returns immediately when tick is inactive	610	# we do not use wait_for_tick() as it returns immediately when tick is inactive
392	push @cf::WAIT_FOR_TICK, $signal;	611	$WAIT_FOR_TICK->wait;
393	$signal->wait;
394	} else {	612	} else {
		613	$busy = 0;
395	Coro::schedule;	614	Coro::schedule;
396	}	615	}
397	}	616	}
398	};	617	};
399		618
400	sub get_slot($;$$) {	619	sub get_slot($;$$) {
		620	return if tick_inhibit || $Coro::current == $Coro::main;
		621
401	my ($time, $pri, $name) = @_;	622	my ($time, $pri, $name) = @_;
402		623
403	$time = $TICK * .6 if $time > $TICK * .6;	624	$time = clamp $time, 0.01, $TICK * .6;
		625
404	my $sig = new Coro::Signal;	626	my $sig = new Coro::Signal;
405		627
406	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	628	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
407	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	629	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
408	$SLOT_QUEUE->ready;	630	$SLOT_QUEUE->ready;
…		…
434	=cut	656	=cut
435		657
436	sub sync_job(&) {	658	sub sync_job(&) {
437	my ($job) = @_;	659	my ($job) = @_;
438		660
439	if ($Coro::current == $Coro::main) {	661	if (in_main) {
440	my $time = EV::time;	662	my $time = AE::time;
441		663
442	# this is the main coro, too bad, we have to block	664	# this is the main coro, too bad, we have to block
443	# till the operation succeeds, freezing the server :/	665	# till the operation succeeds, freezing the server :/
444		666
445	LOG llevError, Carp::longmess "sync job";#d#	667	#LOG llevError, Carp::longmess "sync job";#d#
446		668
447	# TODO: use suspend/resume instead
448	# (but this is cancel-safe)
449	my $freeze_guard = freeze_mainloop;	669	my $freeze_guard = freeze_mainloop;
450		670
451	my $busy = 1;	671	my $busy = 1;
452	my @res;	672	my @res;
453		673
454	(async {	674	(async {
455	$Coro::current->desc ("sync job coro");	675	$Coro::current->desc ("sync job coro");
456	@res = eval { $job->() };	676	@res = eval { $job->() };
457	warn $@ if $@;	677	error $@ if $@;
458	undef $busy;	678	undef $busy;
459	})->prio (Coro::PRIO_MAX);	679	})->prio (Coro::PRIO_MAX);
460		680
461	while ($busy) {	681	while ($busy) {
462	if (Coro::nready) {	682	if (Coro::nready) {
…		…
464	} else {	684	} else {
465	EV::loop EV::LOOP_ONESHOT;	685	EV::loop EV::LOOP_ONESHOT;
466	}	686	}
467	}	687	}
468		688
469	$time = EV::time - $time;	689	my $time = AE::time - $time;
470		690
471	LOG llevError | logBacktrace, Carp::longmess "long sync job"
472	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
473
474	$tick_start += $time; # do not account sync jobs to server load	691	$TICK_START += $time; # do not account sync jobs to server load
475		692
476	wantarray ? @res : $res[0]	693	wantarray ? @res : $res[0]
477	} else {	694	} else {
478	# we are in another coroutine, how wonderful, everything just works	695	# we are in another coroutine, how wonderful, everything just works
479		696
…		…
499	$EXT_CORO{$coro+0} = $coro;	716	$EXT_CORO{$coro+0} = $coro;
500		717
501	$coro	718	$coro
502	}	719	}
503		720
504	=item fork_call { }, $args	721	=item fork_call { }, @args
505		722
506	Executes the given code block with the given arguments in a seperate	723	Executes the given code block with the given arguments in a seperate
507	process, returning the results. Everything must be serialisable with	724	process, returning the results. Everything must be serialisable with
508	Coro::Storable. May, of course, block. Note that the executed sub may	725	Coro::Storable. May, of course, block. Note that the executed sub may
509	never block itself or use any form of event handling.	726	never block itself or use any form of event handling.
510		727
511	=cut	728	=cut
512		729
		730	sub post_fork {
		731	reset_signals;
		732	}
		733
513	sub fork_call(&@) {	734	sub fork_call(&@) {
514	my ($cb, @args) = @_;	735	my ($cb, @args) = @_;
515		736
516	# we seemingly have to make a local copy of the whole thing,	737	# we seemingly have to make a local copy of the whole thing,
517	# otherwise perl prematurely frees the stuff :/	738	# otherwise perl prematurely frees the stuff :/
518	# TODO: investigate and fix (likely this will be rather laborious)	739	# TODO: investigate and fix (likely this will be rather laborious)
519		740
520	my @res = Coro::Util::fork_eval {	741	my @res = Coro::Util::fork_eval {
521	reset_signals;	742	cf::post_fork;
522	&$cb	743	&$cb
523	}, @args;	744	} @args;
524		745
525	wantarray ? @res : $res[-1]	746	wantarray ? @res : $res[-1]
		747	}
		748
		749	sub objinfo {
		750	(
		751	"counter value" => cf::object::object_count,
		752	"objects created" => cf::object::create_count,
		753	"objects destroyed" => cf::object::destroy_count,
		754	"freelist size" => cf::object::free_count,
		755	"allocated objects" => cf::object::objects_size,
		756	"active objects" => cf::object::actives_size,
		757	)
		758	}
		759
		760	=item $coin = coin_from_name $name
		761
		762	=cut
		763
		764	our %coin_alias = (
		765	"silver" => "silvercoin",
		766	"silvercoin" => "silvercoin",
		767	"silvercoins" => "silvercoin",
		768	"gold" => "goldcoin",
		769	"goldcoin" => "goldcoin",
		770	"goldcoins" => "goldcoin",
		771	"platinum" => "platinacoin",
		772	"platinumcoin" => "platinacoin",
		773	"platinumcoins" => "platinacoin",
		774	"platina" => "platinacoin",
		775	"platinacoin" => "platinacoin",
		776	"platinacoins" => "platinacoin",
		777	"royalty" => "royalty",
		778	"royalties" => "royalty",
		779	);
		780
		781	sub coin_from_name($) {
		782	$coin_alias{$_[0]}
		783	? cf::arch::find $coin_alias{$_[0]}
		784	: undef
526	}	785	}
527		786
528	=item $value = cf::db_get $family => $key	787	=item $value = cf::db_get $family => $key
529		788
530	Returns a single value from the environment database.	789	Returns a single value from the environment database.
…		…
540	within each server.	799	within each server.
541		800
542	=cut	801	=cut
543		802
544	sub db_table($) {	803	sub db_table($) {
		804	cf::error "db_get called from main context"
		805	if $Coro::current == $Coro::main;
		806
545	my ($name) = @_;	807	my ($name) = @_;
546	my $db = BDB::db_create $DB_ENV;	808	my $db = BDB::db_create $DB_ENV;
547		809
548	eval {	810	eval {
549	$db->set_flags (BDB::CHKSUM);	811	$db->set_flags (BDB::CHKSUM);
…		…
559	}	821	}
560		822
561	our $DB;	823	our $DB;
562		824
563	sub db_init {	825	sub db_init {
564	cf::sync_job {
565	$DB ||= db_table "db";	826	$DB ||= db_table "db";
566	};
567	}	827	}
568		828
569	sub db_get($$) {	829	sub db_get($$) {
570	my $key = "$_[0]/$_[1]";	830	my $key = "$_[0]/$_[1]";
571		831
572	cf::sync_job {	832	cf::error "db_get called from main context"
		833	if $Coro::current == $Coro::main;
		834
573	BDB::db_get $DB, undef, $key, my $data;	835	BDB::db_get $DB, undef, $key, my $data;
574		836
575	$! ? ()	837	$! ? ()
576	: $data	838	: $data
577	}
578	}	839	}
579		840
580	sub db_put($$$) {	841	sub db_put($$$) {
581	BDB::dbreq_pri 4;	842	BDB::dbreq_pri 4;
582	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	843	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
610		871
611	my @data;	872	my @data;
612	my $md5;	873	my $md5;
613		874
614	for (0 .. $#$src) {	875	for (0 .. $#$src) {
615	0 <= aio_load $src->[$_], $data[$_]	876	$data[$_] = load_file $src->[$_];
616	or Carp::croak "$src->[$_]: $!";
617	}	877	}
618		878
619	# if processing is expensive, check	879	# if processing is expensive, check
620	# checksum first	880	# checksum first
621	if (1) {	881	if (1) {
…		…
638		898
639	my $t1 = Time::HiRes::time;	899	my $t1 = Time::HiRes::time;
640	my $data = $process->(\@data);	900	my $data = $process->(\@data);
641	my $t2 = Time::HiRes::time;	901	my $t2 = Time::HiRes::time;
642		902
643	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	903	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
644		904
645	db_put cache => "$id/data", $data;	905	db_put cache => "$id/data", $data;
646	db_put cache => "$id/md5" , $md5;	906	db_put cache => "$id/md5" , $md5;
647	db_put cache => "$id/meta", $meta;	907	db_put cache => "$id/meta", $meta;
648		908
…		…
658		918
659	=cut	919	=cut
660		920
661	sub datalog($@) {	921	sub datalog($@) {
662	my ($type, %kv) = @_;	922	my ($type, %kv) = @_;
663	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	923	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
664	}	924	}
665		925
666	=back	926	=back
667		927
668	=cut	928	=cut
669		929
670	#############################################################################	930	#############################################################################
671		931
672	=head2 ATTACHABLE OBJECTS	932	=head2 ATTACHABLE OBJECTS
673		933
674	Many objects in crossfire are so-called attachable objects. That means you can	934	Many objects in deliantra are so-called attachable objects. That means you can
675	attach callbacks/event handlers (a collection of which is called an "attachment")	935	attach callbacks/event handlers (a collection of which is called an "attachment")
676	to it. All such attachable objects support the following methods.	936	to it. All such attachable objects support the following methods.
677		937
678	In the following description, CLASS can be any of C<global>, C<object>	938	In the following description, CLASS can be any of C<global>, C<object>
679	C<player>, C<client> or C<map> (i.e. the attachable objects in	939	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
729	=item cf::CLASS::attachment $name, ...	989	=item cf::CLASS::attachment $name, ...
730		990
731	Register an attachment by C<$name> through which attachable objects of the	991	Register an attachment by C<$name> through which attachable objects of the
732	given CLASS can refer to this attachment.	992	given CLASS can refer to this attachment.
733		993
734	Some classes such as crossfire maps and objects can specify attachments	994	Some classes such as deliantra maps and objects can specify attachments
735	that are attached at load/instantiate time, thus the need for a name.	995	that are attached at load/instantiate time, thus the need for a name.
736		996
737	These calls expect any number of the following handler/hook descriptions:	997	These calls expect any number of the following handler/hook descriptions:
738		998
739	=over 4	999	=over 4
…		…
863		1123
864	} elsif (exists $cb_id{$type}) {	1124	} elsif (exists $cb_id{$type}) {
865	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1125	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
866		1126
867	} elsif (ref $type) {	1127	} elsif (ref $type) {
868	warn "attaching objects not supported, ignoring.\n";	1128	error "attaching objects not supported, ignoring.\n";
869		1129
870	} else {	1130	} else {
871	shift @arg;	1131	shift @arg;
872	warn "attach argument '$type' not supported, ignoring.\n";	1132	error "attach argument '$type' not supported, ignoring.\n";
873	}	1133	}
874	}	1134	}
875	}	1135	}
876		1136
877	sub _object_attach {	1137	sub _object_attach {
…		…
887	_attach $registry, $klass, @attach;	1147	_attach $registry, $klass, @attach;
888	}	1148	}
889		1149
890	$obj->{$name} = \%arg;	1150	$obj->{$name} = \%arg;
891	} else {	1151	} else {
892	warn "object uses attachment '$name' which is not available, postponing.\n";	1152	info "object uses attachment '$name' which is not available, postponing.\n";
893	}	1153	}
894		1154
895	$obj->{_attachment}{$name} = undef;	1155	$obj->{_attachment}{$name} = undef;
896	}	1156	}
897		1157
…		…
956		1216
957	for (@$callbacks) {	1217	for (@$callbacks) {
958	eval { &{$_->[1]} };	1218	eval { &{$_->[1]} };
959		1219
960	if ($@) {	1220	if ($@) {
961	warn "$@";
962	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1221	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
963	override;	1222	override;
964	}	1223	}
965		1224
966	return 1 if $override;	1225	return 1 if $override;
967	}	1226	}
968		1227
969	0	1228	0
970	}	1229	}
971		1230
972	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1231	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
973		1232
974	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1233	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
975		1234
976	Generate an object-specific event with the given arguments.	1235	Generate an object-specific event with the given arguments.
977		1236
…		…
1030		1289
1031	sub reattach {	1290	sub reattach {
1032	# basically do the same as instantiate, without calling instantiate	1291	# basically do the same as instantiate, without calling instantiate
1033	my ($obj) = @_;	1292	my ($obj) = @_;
1034		1293
		1294	# no longer needed after getting rid of delete_package?
1035	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1295	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1036		1296
1037	my $registry = $obj->registry;	1297	my $registry = $obj->registry;
1038		1298
1039	@$registry = ();	1299	@$registry = ();
1040		1300
…		…
1045	for (@$attach) {	1305	for (@$attach) {
1046	my ($klass, @attach) = @$_;	1306	my ($klass, @attach) = @$_;
1047	_attach $registry, $klass, @attach;	1307	_attach $registry, $klass, @attach;
1048	}	1308	}
1049	} else {	1309	} else {
1050	warn "object uses attachment '$name' that is not available, postponing.\n";	1310	info "object uses attachment '$name' that is not available, postponing.\n";
1051	}	1311	}
1052	}	1312	}
1053	}	1313	}
1054		1314
1055	cf::attachable->attach (	1315	cf::attachable->attach (
…		…
1082	my ($filename, $rdata, $objs) = @_;	1342	my ($filename, $rdata, $objs) = @_;
1083		1343
1084	sync_job {	1344	sync_job {
1085	if (length $$rdata) {	1345	if (length $$rdata) {
1086	utf8::decode (my $decname = $filename);	1346	utf8::decode (my $decname = $filename);
1087	warn sprintf "saving %s (%d,%d)\n",	1347	trace sprintf "saving %s (%d,%d)\n",
1088	$decname, length $$rdata, scalar @$objs;	1348	$decname, length $$rdata, scalar @$objs
		1349	if $VERBOSE_IO;
1089		1350
1090	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1351	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1091	chmod SAVE_MODE, $fh;	1352	aio_chmod $fh, SAVE_MODE;
1092	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1353	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1093	aio_fsync $fh if $cf::USE_FSYNC;	1354	if ($cf::USE_FSYNC) {
		1355	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1356	aio_fsync $fh;
		1357	}
1094	close $fh;	1358	aio_close $fh;
1095		1359
1096	if (@$objs) {	1360	if (@$objs) {
1097	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1361	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1098	chmod SAVE_MODE, $fh;	1362	aio_chmod $fh, SAVE_MODE;
1099	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1363	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1100	aio_write $fh, 0, (length $data), $data, 0;	1364	aio_write $fh, 0, (length $data), $data, 0;
1101	aio_fsync $fh if $cf::USE_FSYNC;	1365	if ($cf::USE_FSYNC) {
		1366	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1367	aio_fsync $fh;
		1368	}
1102	close $fh;	1369	aio_close $fh;
1103	aio_rename "$filename.pst~", "$filename.pst";	1370	aio_rename "$filename.pst~", "$filename.pst";
1104	}	1371	}
1105	} else {	1372	} else {
1106	aio_unlink "$filename.pst";	1373	aio_unlink "$filename.pst";
1107	}	1374	}
1108		1375
1109	aio_rename "$filename~", $filename;	1376	aio_rename "$filename~", $filename;
		1377
		1378	$filename =~ s%/[^/]+$%%;
		1379	aio_pathsync $filename if $cf::USE_FSYNC;
1110	} else {	1380	} else {
1111	warn "FATAL: $filename~: $!\n";	1381	error "unable to save objects: $filename~: $!\n";
1112	}	1382	}
1113	} else {	1383	} else {
1114	aio_unlink $filename;	1384	aio_unlink $filename;
1115	aio_unlink "$filename.pst";	1385	aio_unlink "$filename.pst";
1116	}	1386	}
…		…
1140	my $st = eval { Coro::Storable::thaw $av };	1410	my $st = eval { Coro::Storable::thaw $av };
1141	$av = $st->{objs};	1411	$av = $st->{objs};
1142	}	1412	}
1143		1413
1144	utf8::decode (my $decname = $filename);	1414	utf8::decode (my $decname = $filename);
1145	warn sprintf "loading %s (%d,%d)\n",	1415	trace sprintf "loading %s (%d,%d)\n",
1146	$decname, length $data, scalar @{$av || []};	1416	$decname, length $data, scalar @{$av || []}
		1417	if $VERBOSE_IO;
1147		1418
1148	($data, $av)	1419	($data, $av)
1149	}	1420	}
1150		1421
1151	=head2 COMMAND CALLBACKS	1422	=head2 COMMAND CALLBACKS
…		…
1207	my ($name, $cb) = @_;	1478	my ($name, $cb) = @_;
1208		1479
1209	$EXTICMD{$name} = $cb;	1480	$EXTICMD{$name} = $cb;
1210	}	1481	}
1211		1482
		1483	use File::Glob ();
		1484
1212	cf::player->attach (	1485	cf::player->attach (
1213	on_command => sub {	1486	on_unknown_command => sub {
1214	my ($pl, $name, $params) = @_;	1487	my ($pl, $name, $params) = @_;
1215		1488
1216	my $cb = $COMMAND{$name}	1489	my $cb = $COMMAND{$name}
1217	or return;	1490	or return;
1218		1491
…		…
1226	my ($pl, $buf) = @_;	1499	my ($pl, $buf) = @_;
1227		1500
1228	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1501	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1229		1502
1230	if (ref $msg) {	1503	if (ref $msg) {
1231	my ($type, $reply, @payload) =	1504	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1232	"ARRAY" eq ref $msg
1233	? @$msg
1234	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1235		1505
1236	my @reply;	1506	my @reply;
1237		1507
1238	if (my $cb = $EXTCMD{$type}) {	1508	if (my $cb = $EXTCMD{$type}) {
1239	@reply = $cb->($pl, @payload);	1509	@reply = $cb->($pl, @payload);
…		…
1241		1511
1242	$pl->ext_reply ($reply, @reply)	1512	$pl->ext_reply ($reply, @reply)
1243	if $reply;	1513	if $reply;
1244		1514
1245	} else {	1515	} else {
1246	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1516	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1247	}	1517	}
1248		1518
1249	cf::override;	1519	cf::override;
1250	},	1520	},
1251	);	1521	);
1252		1522
		1523	# "readahead" all extensions
		1524	sub cache_extensions {
		1525	my $grp = IO::AIO::aio_group;
		1526
		1527	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1528	for (grep /\.ext$/, @{$_[0]}) {
		1529	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1530	}
		1531	};
		1532
		1533	$grp
		1534	}
		1535
1253	sub load_extensions {	1536	sub load_extensions {
		1537	info "loading extensions...";
		1538
1254	cf::sync_job {	1539	cf::sync_job {
1255	my %todo;	1540	my %todo;
1256		1541
1257	for my $path (<$LIBDIR/*.ext>) {	1542	for my $path (<$LIBDIR/*.ext>) {
1258	next unless -r $path;	1543	next unless -r $path;
…		…
1276		1561
1277	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1562	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1278	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1563	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1279		1564
1280	$ext{source} =	1565	$ext{source} =
1281	"package $pkg; use strict; use utf8;\n"	1566	"package $pkg; use common::sense;\n"
1282	. "#line 1 \"$path\"\n{\n"	1567	. "#line 1 \"$path\"\n{\n"
1283	. $source	1568	. $source
1284	. "\n};\n1";	1569	. "\n};\n1";
1285		1570
1286	$todo{$base} = \%ext;	1571	$todo{$base} = \%ext;
1287	}	1572	}
1288		1573
		1574	my $pass = 0;
1289	my %done;	1575	my %done;
1290	while (%todo) {	1576	while (%todo) {
1291	my $progress;	1577	my $progress;
1292		1578
		1579	++$pass;
		1580
		1581	ext:
1293	while (my ($k, $v) = each %todo) {	1582	while (my ($k, $v) = each %todo) {
1294	for (split /,\s*/, $v->{meta}{depends}) {	1583	for (split /,\s*/, $v->{meta}{depends}) {
1295	goto skip	1584	next ext
1296	unless exists $done{$_};	1585	unless exists $done{$_};
1297	}	1586	}
1298		1587
1299	warn "... loading '$k' into '$v->{pkg}'\n";	1588	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1300		1589
1301	unless (eval $v->{source}) {	1590	my $active = eval $v->{source};
		1591
		1592	if (length $@) {
1302	my $msg = $@ ? "$v->{path}: $@\n"	1593	error "$v->{path}: $@\n";
1303	: "$v->{base}: extension inactive.\n";
1304		1594
		1595	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1305	if (exists $v->{meta}{mandatory}) {	1596	if exists $v->{meta}{mandatory};
1306	warn $msg;	1597
1307	warn "mandatory extension failed to load, exiting.\n";	1598	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1308	exit 1;	1599	delete $todo{$k};
1309	}	1600	} else {
1310		1601	$done{$k} = delete $todo{$k};
1311	warn $msg;	1602	push @EXTS, $v->{pkg};
		1603	$progress = 1;
		1604
		1605	info "$v->{base}: extension inactive.\n"
		1606	unless $active;
1312	}	1607	}
1313
1314	$done{$k} = delete $todo{$k};
1315	push @EXTS, $v->{pkg};
1316	$progress = 1;
1317	}	1608	}
1318		1609
1319	skip:	1610	unless ($progress) {
1320	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1611	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1321	unless $progress;	1612
		1613	while (my ($k, $v) = each %todo) {
		1614	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1615	if exists $v->{meta}{mandatory};
		1616	}
		1617
		1618	last;
		1619	}
1322	}	1620	}
1323	};	1621	};
1324	}	1622	}
1325		1623
1326	#############################################################################	1624	#############################################################################
1327		1625
1328	=back	1626	=back
1329		1627
1330	=head2 CORE EXTENSIONS	1628	=head2 CORE EXTENSIONS
1331		1629
1332	Functions and methods that extend core crossfire objects.	1630	Functions and methods that extend core deliantra objects.
1333		1631
1334	=cut	1632	=cut
1335		1633
1336	package cf::player;	1634	package cf::player;
1337		1635
…		…
1380		1678
1381	sub exists($) {	1679	sub exists($) {
1382	my ($login) = @_;	1680	my ($login) = @_;
1383		1681
1384	$cf::PLAYER{$login}	1682	$cf::PLAYER{$login}
1385	or cf::sync_job { !aio_stat path $login }	1683	or !aio_stat path $login
1386	}	1684	}
1387		1685
1388	sub find($) {	1686	sub find($) {
1389	return $cf::PLAYER{$_[0]} || do {	1687	return $cf::PLAYER{$_[0]} || do {
1390	my $login = $_[0];	1688	my $login = $_[0];
…		…
1402	my $f = new_from_file cf::object::thawer path $login	1700	my $f = new_from_file cf::object::thawer path $login
1403	or return;	1701	or return;
1404		1702
1405	my $pl = cf::player::load_pl $f	1703	my $pl = cf::player::load_pl $f
1406	or return;	1704	or return;
		1705
1407	local $cf::PLAYER_LOADING{$login} = $pl;	1706	local $cf::PLAYER_LOADING{$login} = $pl;
1408	$f->resolve_delayed_derefs;	1707	$f->resolve_delayed_derefs;
1409	$cf::PLAYER{$login} = $pl	1708	$cf::PLAYER{$login} = $pl
1410	}	1709	}
1411	}	1710	}
1412	}	1711	}
1413		1712
		1713	cf::player->attach (
		1714	on_load => sub {
		1715	my ($pl, $path) = @_;
		1716
		1717	# restore slots saved in save, below
		1718	my $slots = delete $pl->{_slots};
		1719
		1720	$pl->ob->current_weapon ($slots->[0]);
		1721	$pl->combat_ob ($slots->[1]);
		1722	$pl->ranged_ob ($slots->[2]);
		1723	},
		1724	);
		1725
1414	sub save($) {	1726	sub save($) {
1415	my ($pl) = @_;	1727	my ($pl) = @_;
1416		1728
1417	return if $pl->{deny_save};	1729	return if $pl->{deny_save};
1418		1730
…		…
1421		1733
1422	return if $pl->{deny_save};	1734	return if $pl->{deny_save};
1423		1735
1424	aio_mkdir playerdir $pl, 0770;	1736	aio_mkdir playerdir $pl, 0770;
1425	$pl->{last_save} = $cf::RUNTIME;	1737	$pl->{last_save} = $cf::RUNTIME;
		1738
		1739	cf::get_slot 0.01;
		1740
		1741	# save slots, to be restored later
		1742	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1426		1743
1427	$pl->save_pl ($path);	1744	$pl->save_pl ($path);
1428	cf::cede_to_tick;	1745	cf::cede_to_tick;
1429	}	1746	}
1430		1747
…		…
1462	my ($pl) = @_;	1779	my ($pl) = @_;
1463		1780
1464	my $name = $pl->ob->name;	1781	my $name = $pl->ob->name;
1465		1782
1466	$pl->{deny_save} = 1;	1783	$pl->{deny_save} = 1;
1467	$pl->password ("*"); # this should lock out the player until we nuked the dir	1784	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1468		1785
1469	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1786	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1470	$pl->deactivate;	1787	$pl->deactivate;
		1788
		1789	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1471	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1790	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1791	ext::highscore::check ($pl->ob);
		1792
1472	$pl->ns->destroy if $pl->ns;	1793	$pl->ns->destroy if $pl->ns;
1473		1794
1474	my $path = playerdir $pl;	1795	my $path = playerdir $pl;
1475	my $temp = "$path~$cf::RUNTIME~deleting~";	1796	my $temp = "$path~$cf::RUNTIME~deleting~";
1476	aio_rename $path, $temp;	1797	aio_rename $path, $temp;
…		…
1514		1835
1515	for my $login (@$dirs) {	1836	for my $login (@$dirs) {
1516	my $path = path $login;	1837	my $path = path $login;
1517		1838
1518	# a .pst is a dead give-away for a valid player	1839	# a .pst is a dead give-away for a valid player
1519	unless (-e "$path.pst") {	1840	# if no pst file found, open and chekc for blocked users
		1841	if (aio_stat "$path.pst") {
1520	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1842	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1521	aio_read $fh, 0, 512, my $buf, 0 or next;	1843	aio_read $fh, 0, 512, my $buf, 0 or next;
1522	$buf !~ /^password -------------$/m or next; # official not-valid tag	1844	$buf !~ /^password -------------$/m or next; # official not-valid tag
1523	}	1845	}
1524		1846
…		…
1528		1850
1529	\@logins	1851	\@logins
1530	}	1852	}
1531		1853
1532	=item $player->maps	1854	=item $player->maps
		1855
		1856	=item cf::player::maps $login
1533		1857
1534	Returns an arrayref of map paths that are private for this	1858	Returns an arrayref of map paths that are private for this
1535	player. May block.	1859	player. May block.
1536		1860
1537	=cut	1861	=cut
…		…
1555	}	1879	}
1556		1880
1557	\@paths	1881	\@paths
1558	}	1882	}
1559		1883
1560	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1884	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1561		1885
1562	Expand crossfire pod fragments into protocol xml.	1886	Expand deliantra pod fragments into protocol xml.
1563
1564	=cut
1565
1566	use re 'eval';
1567
1568	my $group;
1569	my $interior; $interior = qr{
1570	# match a pod interior sequence sans C<< >>
1571	(?:
1572	\ (.*?)\ (?{ $group = $^N })
1573	| < (??{$interior}) >
1574	)
1575	}x;
1576
1577	sub expand_cfpod {
1578	my ($self, $pod) = @_;
1579
1580	my $xml;
1581
1582	while () {
1583	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1584	$group = $1;
1585
1586	$group =~ s/&/&amp;/g;
1587	$group =~ s/</&lt;/g;
1588
1589	$xml .= $group;
1590	} elsif ($pod =~ m%\G
1591	([BCGHITU])
1592	<
1593	(?:
1594	([^<>]*) (?{ $group = $^N })
1595	| < $interior >
1596	)
1597	>
1598	%gcsx
1599	) {
1600	my ($code, $data) = ($1, $group);
1601
1602	if ($code eq "B") {
1603	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1604	} elsif ($code eq "I") {
1605	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1606	} elsif ($code eq "U") {
1607	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1608	} elsif ($code eq "C") {
1609	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1610	} elsif ($code eq "T") {
1611	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1612	} elsif ($code eq "G") {
1613	my ($male, $female) = split /\|/, $data;
1614	$data = $self->gender ? $female : $male;
1615	$xml .= expand_cfpod ($self, $data);
1616	} elsif ($code eq "H") {
1617	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1618	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1619	"")
1620	[$self->{hintmode}];
1621	} else {
1622	$xml .= "error processing '$code($data)' directive";
1623	}
1624	} else {
1625	if ($pod =~ /\G(.+)/) {
1626	warn "parse error while expanding $pod (at $1)";
1627	}
1628	last;
1629	}
1630	}
1631
1632	for ($xml) {
1633	# create single paragraphs (very hackish)
1634	s/(?<=\S)\n(?=\w)/ /g;
1635
1636	# compress some whitespace
1637	s/\s+\n/\n/g; # ws line-ends
1638	s/\n\n+/\n/g; # double lines
1639	s/^\n+//; # beginning lines
1640	s/\n+$//; # ending lines
1641	}
1642
1643	$xml
1644	}
1645
1646	no re 'eval';
1647
1648	sub hintmode {
1649	$_[0]{hintmode} = $_[1] if @_ > 1;
1650	$_[0]{hintmode}
1651	}
1652		1887
1653	=item $player->ext_reply ($msgid, @msg)	1888	=item $player->ext_reply ($msgid, @msg)
1654		1889
1655	Sends an ext reply to the player.	1890	Sends an ext reply to the player.
1656		1891
…		…
1688		1923
1689	=cut	1924	=cut
1690		1925
1691	sub find_by_path($) {	1926	sub find_by_path($) {
1692	my ($path) = @_;	1927	my ($path) = @_;
		1928
		1929	$path =~ s/^~[^\/]*//; # skip ~login
1693		1930
1694	my ($match, $specificity);	1931	my ($match, $specificity);
1695		1932
1696	for my $region (list) {	1933	for my $region (list) {
1697	if ($region->{match} && $path =~ $region->{match}) {	1934	if ($region->{match} && $path =~ $region->{match}) {
…		…
1723	our $MAX_RESET = 3600;	1960	our $MAX_RESET = 3600;
1724	our $DEFAULT_RESET = 3000;	1961	our $DEFAULT_RESET = 3000;
1725		1962
1726	sub generate_random_map {	1963	sub generate_random_map {
1727	my ($self, $rmp) = @_;	1964	my ($self, $rmp) = @_;
1728	# mit "rum" bekleckern, nicht	1965
		1966	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1967
1729	$self->_create_random_map (	1968	$self->_create_random_map ($rmp);
1730	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1731	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1732	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1733	$rmp->{exit_on_final_map},
1734	$rmp->{xsize}, $rmp->{ysize},
1735	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1736	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1737	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1738	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1739	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1740	(cf::region::find $rmp->{region}), $rmp->{custom}
1741	)
1742	}	1969	}
1743		1970
1744	=item cf::map->register ($regex, $prio)	1971	=item cf::map->register ($regex, $prio)
1745		1972
1746	Register a handler for the map path matching the given regex at the	1973	Register a handler for the map path matching the given regex at the
…		…
1751		1978
1752	sub register {	1979	sub register {
1753	my (undef, $regex, $prio) = @_;	1980	my (undef, $regex, $prio) = @_;
1754	my $pkg = caller;	1981	my $pkg = caller;
1755		1982
1756	no strict;
1757	push @{"$pkg\::ISA"}, __PACKAGE__;	1983	push @{"$pkg\::ISA"}, __PACKAGE__;
1758		1984
1759	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1985	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1760	}	1986	}
1761		1987
1762	# also paths starting with '/'	1988	# also paths starting with '/'
1763	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1989	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1764		1990
1765	sub thawer_merge {	1991	sub thawer_merge {
1766	my ($self, $merge) = @_;	1992	my ($self, $merge) = @_;
1767		1993
1768	# we have to keep some variables in memory intact	1994	# we have to keep some variables in memory intact
…		…
1773	}	1999	}
1774		2000
1775	sub normalise {	2001	sub normalise {
1776	my ($path, $base) = @_;	2002	my ($path, $base) = @_;
1777		2003
1778	$path = "$path"; # make sure its a string	2004	$path = "$path"; # make sure it's a string
1779		2005
1780	$path =~ s/\.map$//;	2006	$path =~ s/\.map$//;
1781		2007
1782	# map plan:	2008	# map plan:
1783	#	2009	#
…		…
1798	$base =~ s{[^/]+/?$}{};	2024	$base =~ s{[^/]+/?$}{};
1799	$path = "$base/$path";	2025	$path = "$base/$path";
1800	}	2026	}
1801		2027
1802	for ($path) {	2028	for ($path) {
1803	redo if s{//}{/};
1804	redo if s{/\.?/}{/};	2029	redo if s{/\.?/}{/};
1805	redo if s{/[^/]+/\.\./}{/};	2030	redo if s{/[^/]+/\.\./}{/};
1806	}	2031	}
1807		2032
1808	$path	2033	$path
…		…
1822	$self->init; # pass $1 etc.	2047	$self->init; # pass $1 etc.
1823	return $self;	2048	return $self;
1824	}	2049	}
1825	}	2050	}
1826		2051
1827	Carp::cluck "unable to resolve path '$path' (base '$base').";	2052	Carp::cluck "unable to resolve path '$path' (base '$base')";
1828	()	2053	()
1829	}	2054	}
1830		2055
		2056	# may re-bless or do other evil things
1831	sub init {	2057	sub init {
1832	my ($self) = @_;	2058	my ($self) = @_;
1833		2059
1834	$self	2060	$self
1835	}	2061	}
…		…
1854		2080
1855	# the temporary/swap location	2081	# the temporary/swap location
1856	sub save_path {	2082	sub save_path {
1857	my ($self) = @_;	2083	my ($self) = @_;
1858		2084
1859	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2085	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1860	"$TMPDIR/$path.map"	2086	"$TMPDIR/$path.map"
1861	}	2087	}
1862		2088
1863	# the unique path, undef == no special unique path	2089	# the unique path, undef == no special unique path
1864	sub uniq_path {	2090	sub uniq_path {
1865	my ($self) = @_;	2091	my ($self) = @_;
1866		2092
1867	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2093	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1868	"$UNIQUEDIR/$path"	2094	"$UNIQUEDIR/$path"
1869	}
1870
1871	# and all this just because we cannot iterate over
1872	# all maps in C++...
1873	sub change_all_map_light {
1874	my ($change) = @_;
1875
1876	$_->change_map_light ($change)
1877	for grep $_->outdoor, values %cf::MAP;
1878	}	2095	}
1879		2096
1880	sub decay_objects {	2097	sub decay_objects {
1881	my ($self) = @_;	2098	my ($self) = @_;
1882		2099
…		…
1909	$self->{load_path} = $path;	2126	$self->{load_path} = $path;
1910		2127
1911	1	2128	1
1912	}	2129	}
1913		2130
		2131	# used to laod the header of an original map
1914	sub load_header_orig {	2132	sub load_header_orig {
1915	my ($self) = @_;	2133	my ($self) = @_;
1916		2134
1917	$self->load_header_from ($self->load_path)	2135	$self->load_header_from ($self->load_path)
1918	}	2136	}
1919		2137
		2138	# used to laod the header of an instantiated map
1920	sub load_header_temp {	2139	sub load_header_temp {
1921	my ($self) = @_;	2140	my ($self) = @_;
1922		2141
1923	$self->load_header_from ($self->save_path)	2142	$self->load_header_from ($self->save_path)
1924	}	2143	}
1925		2144
		2145	# called after loading the header from an instantiated map
1926	sub prepare_temp {	2146	sub prepare_temp {
1927	my ($self) = @_;	2147	my ($self) = @_;
1928		2148
1929	$self->last_access ((delete $self->{last_access})	2149	$self->last_access ((delete $self->{last_access})
1930	|| $cf::RUNTIME); #d#	2150	|| $cf::RUNTIME); #d#
1931	# safety	2151	# safety
1932	$self->{instantiate_time} = $cf::RUNTIME	2152	$self->{instantiate_time} = $cf::RUNTIME
1933	if $self->{instantiate_time} > $cf::RUNTIME;	2153	if $self->{instantiate_time} > $cf::RUNTIME;
1934	}	2154	}
1935		2155
		2156	# called after loading the header from an original map
1936	sub prepare_orig {	2157	sub prepare_orig {
1937	my ($self) = @_;	2158	my ($self) = @_;
1938		2159
1939	$self->{load_original} = 1;	2160	$self->{load_original} = 1;
1940	$self->{instantiate_time} = $cf::RUNTIME;	2161	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1964		2185
1965	sub find;	2186	sub find;
1966	sub find {	2187	sub find {
1967	my ($path, $origin) = @_;	2188	my ($path, $origin) = @_;
1968		2189
		2190	cf::cede_to_tick;
		2191
1969	$path = normalise $path, $origin && $origin->path;	2192	$path = normalise $path, $origin;
1970		2193
1971	cf::lock_wait "map_data:$path";#d#remove	2194	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1972	cf::lock_wait "map_find:$path";	2195	my $guard2 = cf::lock_acquire "map_find:$path";
1973		2196
1974	$cf::MAP{$path} || do {	2197	$cf::MAP{$path} || do {
1975	my $guard1 = cf::lock_acquire "map_find:$path";
1976	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1977
1978	my $map = new_from_path cf::map $path	2198	my $map = new_from_path cf::map $path
1979	or return;	2199	or return;
1980		2200
1981	$map->{last_save} = $cf::RUNTIME;	2201	$map->{last_save} = $cf::RUNTIME;
1982		2202
…		…
1984	or return;	2204	or return;
1985		2205
1986	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2206	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1987	# doing this can freeze the server in a sync job, obviously	2207	# doing this can freeze the server in a sync job, obviously
1988	#$cf::WAIT_FOR_TICK->wait;	2208	#$cf::WAIT_FOR_TICK->wait;
		2209	undef $guard2;
1989	undef $guard1;	2210	undef $guard1;
1990	undef $guard2;
1991	$map->reset;	2211	$map->reset;
1992	return find $path;	2212	return find $path;
1993	}	2213	}
1994		2214
1995	$cf::MAP{$path} = $map	2215	$cf::MAP{$path} = $map
1996	}	2216	}
1997	}	2217	}
1998		2218
1999	sub pre_load { }	2219	sub pre_load { }
2000	sub post_load { }	2220	#sub post_load { } # XS
2001		2221
2002	sub load {	2222	sub load {
2003	my ($self) = @_;	2223	my ($self) = @_;
2004		2224
2005	local $self->{deny_reset} = 1; # loading can take a long time	2225	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2008		2228
2009	{	2229	{
2010	my $guard = cf::lock_acquire "map_data:$path";	2230	my $guard = cf::lock_acquire "map_data:$path";
2011		2231
2012	return unless $self->valid;	2232	return unless $self->valid;
2013	return unless $self->in_memory == cf::MAP_SWAPPED;	2233	return unless $self->state == cf::MAP_SWAPPED;
2014
2015	$self->in_memory (cf::MAP_LOADING);
2016		2234
2017	$self->alloc;	2235	$self->alloc;
2018		2236
2019	$self->pre_load;	2237	$self->pre_load;
2020	cf::cede_to_tick;	2238	cf::cede_to_tick;
2021		2239
		2240	if (exists $self->{load_path}) {
2022	my $f = new_from_file cf::object::thawer $self->{load_path};	2241	my $f = new_from_file cf::object::thawer $self->{load_path};
2023	$f->skip_block;	2242	$f->skip_block;
2024	$self->_load_objects ($f)	2243	$self->_load_objects ($f)
2025	or return;	2244	or return;
2026		2245
2027	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2246	$self->post_load_original
2028	if delete $self->{load_original};	2247	if delete $self->{load_original};
2029		2248
2030	if (my $uniq = $self->uniq_path) {	2249	if (my $uniq = $self->uniq_path) {
2031	utf8::encode $uniq;	2250	utf8::encode $uniq;
2032	unless (aio_stat $uniq) {	2251	unless (aio_stat $uniq) {
2033	if (my $f = new_from_file cf::object::thawer $uniq) {	2252	if (my $f = new_from_file cf::object::thawer $uniq) {
2034	$self->clear_unique_items;	2253	$self->clear_unique_items;
2035	$self->_load_objects ($f);	2254	$self->_load_objects ($f);
2036	$f->resolve_delayed_derefs;	2255	$f->resolve_delayed_derefs;
		2256	}
2037	}	2257	}
2038	}	2258	}
2039	}
2040		2259
2041	$f->resolve_delayed_derefs;	2260	$f->resolve_delayed_derefs;
		2261	} else {
		2262	$self->post_load_original
		2263	if delete $self->{load_original};
		2264	}
		2265
		2266	$self->state (cf::MAP_INACTIVE);
2042		2267
2043	cf::cede_to_tick;	2268	cf::cede_to_tick;
2044	# now do the right thing for maps	2269	# now do the right thing for maps
2045	$self->link_multipart_objects;	2270	$self->link_multipart_objects;
2046	$self->difficulty ($self->estimate_difficulty)	2271	$self->difficulty ($self->estimate_difficulty)
…		…
2050	unless ($self->{deny_activate}) {	2275	unless ($self->{deny_activate}) {
2051	$self->decay_objects;	2276	$self->decay_objects;
2052	$self->fix_auto_apply;	2277	$self->fix_auto_apply;
2053	$self->update_buttons;	2278	$self->update_buttons;
2054	cf::cede_to_tick;	2279	cf::cede_to_tick;
2055	$self->set_darkness_map;	2280	#$self->activate; # no longer activate maps automatically
2056	cf::cede_to_tick;
2057	$self->activate;
2058	}	2281	}
2059		2282
2060	$self->{last_save} = $cf::RUNTIME;	2283	$self->{last_save} = $cf::RUNTIME;
2061	$self->last_access ($cf::RUNTIME);	2284	$self->last_access ($cf::RUNTIME);
2062
2063	$self->in_memory (cf::MAP_IN_MEMORY);
2064	}	2285	}
2065		2286
2066	$self->post_load;	2287	$self->post_load;
2067	}
2068		2288
		2289	1
		2290	}
		2291
		2292	# customize the map for a given player, i.e.
		2293	# return the _real_ map. used by e.g. per-player
		2294	# maps to change the path to ~playername/mappath
2069	sub customise_for {	2295	sub customise_for {
2070	my ($self, $ob) = @_;	2296	my ($self, $ob) = @_;
2071		2297
2072	return find "~" . $ob->name . "/" . $self->{path}	2298	return find "~" . $ob->name . "/" . $self->{path}
2073	if $self->per_player;	2299	if $self->per_player;
…		…
2076	# if $self->per_party;	2302	# if $self->per_party;
2077		2303
2078	$self	2304	$self
2079	}	2305	}
2080		2306
2081	# find and load all maps in the 3x3 area around a map
2082	sub load_neighbours {
2083	my ($map) = @_;
2084
2085	my @neigh; # diagonal neighbours
2086
2087	for (0 .. 3) {
2088	my $neigh = $map->tile_path ($_)
2089	or next;
2090	$neigh = find $neigh, $map
2091	or next;
2092	$neigh->load;
2093
2094	push @neigh,
2095	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2096	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2097	}
2098
2099	for (grep defined $_->[0], @neigh) {
2100	my ($path, $origin) = @$_;
2101	my $neigh = find $path, $origin
2102	or next;
2103	$neigh->load;
2104	}
2105	}
2106
2107	sub find_sync {	2307	sub find_sync {
2108	my ($path, $origin) = @_;	2308	my ($path, $origin) = @_;
2109		2309
2110	cf::sync_job { find $path, $origin }	2310	# it's a bug to call this from the main context
		2311	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2312	if $Coro::current == $Coro::main;
		2313
		2314	find $path, $origin
2111	}	2315	}
2112		2316
2113	sub do_load_sync {	2317	sub do_load_sync {
2114	my ($map) = @_;	2318	my ($map) = @_;
2115		2319
		2320	# it's a bug to call this from the main context
2116	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2321	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2117	if $Coro::current == $Coro::main;	2322	if $Coro::current == $Coro::main;
2118		2323
2119	cf::sync_job { $map->load };	2324	$map->load;
2120	}	2325	}
2121		2326
2122	our %MAP_PREFETCH;	2327	our %MAP_PREFETCH;
2123	our $MAP_PREFETCHER = undef;	2328	our $MAP_PREFETCHER = undef;
2124		2329
2125	sub find_async {	2330	sub find_async {
2126	my ($path, $origin, $load) = @_;	2331	my ($path, $origin, $load) = @_;
2127		2332
2128	$path = normalise $path, $origin && $origin->{path};	2333	$path = normalise $path, $origin;
2129		2334
2130	if (my $map = $cf::MAP{$path}) {	2335	if (my $map = $cf::MAP{$path}) {
2131	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2336	return $map if !$load || $map->linkable;
2132	}	2337	}
2133		2338
2134	$MAP_PREFETCH{$path} |= $load;	2339	$MAP_PREFETCH{$path} |= $load;
2135		2340
2136	$MAP_PREFETCHER ||= cf::async {	2341	$MAP_PREFETCHER ||= cf::async {
…		…
2150	$MAP_PREFETCHER->prio (6);	2355	$MAP_PREFETCHER->prio (6);
2151		2356
2152	()	2357	()
2153	}	2358	}
2154		2359
		2360	# common code, used by both ->save and ->swapout
2155	sub save {	2361	sub _save {
2156	my ($self) = @_;	2362	my ($self) = @_;
2157
2158	my $lock = cf::lock_acquire "map_data:$self->{path}";
2159		2363
2160	$self->{last_save} = $cf::RUNTIME;	2364	$self->{last_save} = $cf::RUNTIME;
2161		2365
2162	return unless $self->dirty;	2366	return unless $self->dirty;
2163		2367
…		…
2172		2376
2173	cf::async {	2377	cf::async {
2174	$Coro::current->{desc} = "map player save";	2378	$Coro::current->{desc} = "map player save";
2175	$_->contr->save for $self->players;	2379	$_->contr->save for $self->players;
2176	};	2380	};
		2381
		2382	cf::get_slot 0.02;
2177		2383
2178	if ($uniq) {	2384	if ($uniq) {
2179	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2385	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2180	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2386	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2181	} else {	2387	} else {
2182	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2388	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2183	}	2389	}
2184	}	2390	}
2185		2391
		2392	sub save {
		2393	my ($self) = @_;
		2394
		2395	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2396
		2397	$self->_save;
		2398	}
		2399
2186	sub swap_out {	2400	sub swap_out {
2187	my ($self) = @_;	2401	my ($self) = @_;
2188		2402
2189	# save first because save cedes
2190	$self->save;
2191
2192	my $lock = cf::lock_acquire "map_data:$self->{path}";	2403	my $lock = cf::lock_acquire "map_data:$self->{path}";
2193		2404
		2405	return if !$self->linkable;
		2406	return if $self->{deny_save};
2194	return if $self->players;	2407	return if $self->players;
2195	return if $self->in_memory != cf::MAP_IN_MEMORY;	2408
		2409	# first deactivate the map and "unlink" it from the core
		2410	$self->deactivate;
		2411	$_->clear_links_to ($self) for values %cf::MAP;
		2412	$self->state (cf::MAP_SWAPPED);
		2413
		2414	# then atomically save
		2415	$self->_save;
		2416
		2417	# then free the map
		2418	$self->clear;
		2419	}
		2420
		2421	sub reset_at {
		2422	my ($self) = @_;
		2423
		2424	# TODO: safety, remove and allow resettable per-player maps
2196	return if $self->{deny_save};	2425	return 1e99 if $self->{deny_reset};
2197		2426
		2427	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2428	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2429
		2430	$time + $to
		2431	}
		2432
		2433	sub should_reset {
		2434	my ($self) = @_;
		2435
		2436	$self->reset_at <= $cf::RUNTIME
		2437	}
		2438
		2439	sub reset {
		2440	my ($self) = @_;
		2441
		2442	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2443
		2444	return if $self->players;
		2445
		2446	cf::trace "resetting map ", $self->path, "\n";
		2447
2198	$self->in_memory (cf::MAP_SWAPPED);	2448	$self->state (cf::MAP_SWAPPED);
		2449
		2450	# need to save uniques path
		2451	unless ($self->{deny_save}) {
		2452	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2453
		2454	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2455	if $uniq;
		2456	}
		2457
		2458	delete $cf::MAP{$self->path};
2199		2459
2200	$self->deactivate;	2460	$self->deactivate;
2201	$_->clear_links_to ($self) for values %cf::MAP;	2461	$_->clear_links_to ($self) for values %cf::MAP;
2202	$self->clear;	2462	$self->clear;
2203	}
2204
2205	sub reset_at {
2206	my ($self) = @_;
2207
2208	# TODO: safety, remove and allow resettable per-player maps
2209	return 1e99 if $self->{deny_reset};
2210
2211	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2212	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2213
2214	$time + $to
2215	}
2216
2217	sub should_reset {
2218	my ($self) = @_;
2219
2220	$self->reset_at <= $cf::RUNTIME
2221	}
2222
2223	sub reset {
2224	my ($self) = @_;
2225
2226	my $lock = cf::lock_acquire "map_data:$self->{path}";
2227
2228	return if $self->players;
2229
2230	warn "resetting map ", $self->path;
2231
2232	$self->in_memory (cf::MAP_SWAPPED);
2233
2234	# need to save uniques path
2235	unless ($self->{deny_save}) {
2236	my $uniq = $self->uniq_path; utf8::encode $uniq;
2237
2238	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2239	if $uniq;
2240	}
2241
2242	delete $cf::MAP{$self->path};
2243
2244	$self->deactivate;
2245	$_->clear_links_to ($self) for values %cf::MAP;
2246	$self->clear;
2247		2463
2248	$self->unlink_save;	2464	$self->unlink_save;
2249	$self->destroy;	2465	$self->destroy;
2250	}	2466	}
2251		2467
…		…
2259		2475
2260	delete $cf::MAP{$self->path};	2476	delete $cf::MAP{$self->path};
2261		2477
2262	$self->unlink_save;	2478	$self->unlink_save;
2263		2479
2264	bless $self, "cf::map";	2480	bless $self, "cf::map::wrap";
2265	delete $self->{deny_reset};	2481	delete $self->{deny_reset};
2266	$self->{deny_save} = 1;	2482	$self->{deny_save} = 1;
2267	$self->reset_timeout (1);	2483	$self->reset_timeout (1);
2268	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2484	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2269		2485
…		…
2318		2534
2319	sub unique_maps() {	2535	sub unique_maps() {
2320	[	2536	[
2321	map {	2537	map {
2322	utf8::decode $_;	2538	utf8::decode $_;
2323	/\.map$/	2539	s/\.map$//; # TODO future compatibility hack
		2540	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2541	? ()
2324	? normalise $_	2542	: normalise $_
2325	: ()
2326	} @{ aio_readdir $UNIQUEDIR or [] }	2543	} @{ aio_readdir $UNIQUEDIR or [] }
2327	]	2544	]
2328	}	2545	}
2329		2546
2330	package cf;	2547	=item cf::map::static_maps
		2548
		2549	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2550	file in the shared directory excluding F</styles> and F</editor>). May
		2551	block.
		2552
		2553	=cut
		2554
		2555	sub static_maps() {
		2556	my @dirs = "";
		2557	my @maps;
		2558
		2559	while (@dirs) {
		2560	my $dir = shift @dirs;
		2561
		2562	next if $dir eq "/styles" || $dir eq "/editor";
		2563
		2564	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2565	or return;
		2566
		2567	for (@$files) {
		2568	s/\.map$// or next;
		2569	utf8::decode $_;
		2570	push @maps, "$dir/$_";
		2571	}
		2572
		2573	push @dirs, map "$dir/$_", @$dirs;
		2574	}
		2575
		2576	\@maps
		2577	}
2331		2578
2332	=back	2579	=back
2333		2580
2334	=head3 cf::object	2581	=head3 cf::object
2335		2582
…		…
2339		2586
2340	=over 4	2587	=over 4
2341		2588
2342	=item $ob->inv_recursive	2589	=item $ob->inv_recursive
2343		2590
2344	Returns the inventory of the object _and_ their inventories, recursively.	2591	Returns the inventory of the object I<and> their inventories, recursively,
		2592	but I<not> the object itself.
2345		2593
2346	=cut	2594	=cut
2347		2595
2348	sub inv_recursive_;	2596	sub inv_recursive_;
2349	sub inv_recursive_ {	2597	sub inv_recursive_ {
…		…
2354	inv_recursive_ inv $_[0]	2602	inv_recursive_ inv $_[0]
2355	}	2603	}
2356		2604
2357	=item $ref = $ob->ref	2605	=item $ref = $ob->ref
2358		2606
2359	creates and returns a persistent reference to an objetc that can be stored as a string.	2607	Creates and returns a persistent reference to an object that can be stored as a string.
2360		2608
2361	=item $ob = cf::object::deref ($refstring)	2609	=item $ob = cf::object::deref ($refstring)
2362		2610
2363	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2611	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2364	even if the object actually exists. May block.	2612	even if the object actually exists. May block.
…		…
2396	can be C<undef>. Does the right thing when the player is currently in a	2644	can be C<undef>. Does the right thing when the player is currently in a
2397	dialogue with the given NPC character.	2645	dialogue with the given NPC character.
2398		2646
2399	=cut	2647	=cut
2400		2648
		2649	our $SAY_CHANNEL = {
		2650	id => "say",
		2651	title => "Map",
		2652	reply => "say ",
		2653	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2654	};
		2655
		2656	our $CHAT_CHANNEL = {
		2657	id => "chat",
		2658	title => "Chat",
		2659	reply => "chat ",
		2660	tooltip => "Player chat and shouts, global to the server.",
		2661	};
		2662
2401	# rough implementation of a future "reply" method that works	2663	# rough implementation of a future "reply" method that works
2402	# with dialog boxes.	2664	# with dialog boxes.
2403	#TODO: the first argument must go, split into a $npc->reply_to ( method	2665	#TODO: the first argument must go, split into a $npc->reply_to ( method
2404	sub cf::object::player::reply($$$;$) {	2666	sub cf::object::player::reply($$$;$) {
2405	my ($self, $npc, $msg, $flags) = @_;	2667	my ($self, $npc, $msg, $flags) = @_;
…		…
2416	my $dialog = $pl->{npc_dialog};	2678	my $dialog = $pl->{npc_dialog};
2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2679	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2418		2680
2419	} else {	2681	} else {
2420	$msg = $npc->name . " says: $msg" if $npc;	2682	$msg = $npc->name . " says: $msg" if $npc;
2421	$self->message ($msg, $flags);	2683	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2422	}	2684	}
2423	}	2685	}
2424	}	2686	}
2425		2687
2426	=item $object->send_msg ($channel, $msg, $color, [extra...])	2688	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2451		2713
2452	=item $player_object->enter_link	2714	=item $player_object->enter_link
2453		2715
2454	Freezes the player and moves him/her to a special map (C<{link}>).	2716	Freezes the player and moves him/her to a special map (C<{link}>).
2455		2717
2456	The player should be reasonably safe there for short amounts of time. You	2718	The player should be reasonably safe there for short amounts of time (e.g.
2457	I<MUST> call C<leave_link> as soon as possible, though.	2719	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2720	though, as the player cannot control the character while it is on the link
		2721	map.
2458		2722
2459	Will never block.	2723	Will never block.
2460		2724
2461	=item $player_object->leave_link ($map, $x, $y)	2725	=item $player_object->leave_link ($map, $x, $y)
2462		2726
…		…
2482	sub cf::object::player::enter_link {	2746	sub cf::object::player::enter_link {
2483	my ($self) = @_;	2747	my ($self) = @_;
2484		2748
2485	$self->deactivate_recursive;	2749	$self->deactivate_recursive;
2486		2750
		2751	++$self->{_link_recursion};
		2752
2487	return if UNIVERSAL::isa $self->map, "ext::map_link";	2753	return if UNIVERSAL::isa $self->map, "ext::map_link";
2488		2754
2489	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2755	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2490	if $self->map && $self->map->{path} ne "{link}";	2756	if $self->map && $self->map->{path} ne "{link}";
2491		2757
2492	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2758	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2493	}	2759	}
2494		2760
2495	sub cf::object::player::leave_link {	2761	sub cf::object::player::leave_link {
2496	my ($self, $map, $x, $y) = @_;	2762	my ($self, $map, $x, $y) = @_;
2497		2763
…		…
2514	($x, $y) = (-1, -1)	2780	($x, $y) = (-1, -1)
2515	unless (defined $x) && (defined $y);	2781	unless (defined $x) && (defined $y);
2516		2782
2517	# use -1 or undef as default coordinates, not 0, 0	2783	# use -1 or undef as default coordinates, not 0, 0
2518	($x, $y) = ($map->enter_x, $map->enter_y)	2784	($x, $y) = ($map->enter_x, $map->enter_y)
2519	if $x <=0 && $y <= 0;	2785	if $x <= 0 && $y <= 0;
2520		2786
2521	$map->load;	2787	$map->load;
2522	$map->load_neighbours;
2523		2788
2524	return unless $self->contr->active;	2789	return unless $self->contr->active;
2525	$self->activate_recursive;
2526		2790
2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2791	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2528	$self->enter_map ($map, $x, $y);	2792	if ($self->enter_map ($map, $x, $y)) {
2529	}	2793	# entering was successful
		2794	delete $self->{_link_recursion};
		2795	# only activate afterwards, to support waiting in hooks
		2796	$self->activate_recursive;
		2797	}
2530		2798
		2799	}
		2800
2531	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2801	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2532		2802
2533	Moves the player to the given map-path and coordinates by first freezing	2803	Moves the player to the given map-path and coordinates by first freezing
2534	her, loading and preparing them map, calling the provided $check callback	2804	her, loading and preparing them map, calling the provided $check callback
2535	that has to return the map if sucecssful, and then unfreezes the player on	2805	that has to return the map if sucecssful, and then unfreezes the player on
2536	the new (success) or old (failed) map position. In either case, $done will	2806	the new (success) or old (failed) map position. In either case, $done will
2537	be called at the end of this process.	2807	be called at the end of this process.
2538		2808
		2809	Note that $check will be called with a potentially non-loaded map, so if
		2810	it needs a loaded map it has to call C<< ->load >>.
		2811
2539	=cut	2812	=cut
2540		2813
2541	our $GOTOGEN;	2814	our $GOTOGEN;
2542		2815
2543	sub cf::object::player::goto {	2816	sub cf::object::player::goto {
2544	my ($self, $path, $x, $y, $check, $done) = @_;	2817	my ($self, $path, $x, $y, $check, $done) = @_;
		2818
		2819	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2820	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2821	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2822	($path, $x, $y) = @$EMERGENCY_POSITION;
		2823	}
2545		2824
2546	# do generation counting so two concurrent goto's will be executed in-order	2825	# do generation counting so two concurrent goto's will be executed in-order
2547	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2826	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2548		2827
2549	$self->enter_link;	2828	$self->enter_link;
…		…
2569	($path, $x, $y) = (undef, undef, undef);	2848	($path, $x, $y) = (undef, undef, undef);
2570	}	2849	}
2571	}	2850	}
2572		2851
2573	my $map = eval {	2852	my $map = eval {
2574	my $map = defined $path ? cf::map::find $path : undef;	2853	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2575		2854
2576	if ($map) {	2855	if ($map) {
2577	$map = $map->customise_for ($self);	2856	$map = $map->customise_for ($self);
2578	$map = $check->($map) if $check && $map;	2857	$map = $check->($map, $x, $y, $self) if $check && $map;
2579	} else {	2858	} else {
2580	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2859	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2581	}	2860	}
2582		2861
2583	$map	2862	$map
…		…
2591	if ($gen == $self->{_goto_generation}) {	2870	if ($gen == $self->{_goto_generation}) {
2592	delete $self->{_goto_generation};	2871	delete $self->{_goto_generation};
2593	$self->leave_link ($map, $x, $y);	2872	$self->leave_link ($map, $x, $y);
2594	}	2873	}
2595		2874
2596	$done->() if $done;	2875	$done->($self) if $done;
2597	})->prio (1);	2876	})->prio (1);
2598	}	2877	}
2599		2878
2600	=item $player_object->enter_exit ($exit_object)	2879	=item $player_object->enter_exit ($exit_object)
2601		2880
…		…
2621	}	2900	}
2622		2901
2623	sub prepare_random_map {	2902	sub prepare_random_map {
2624	my ($exit) = @_;	2903	my ($exit) = @_;
2625		2904
2626	my $guard = cf::lock_acquire "exit_prepare:$exit";
2627
2628	# all this does is basically replace the /! path by	2905	# all this does is basically replace the /! path by
2629	# a new random map path (?random/...) with a seed	2906	# a new random map path (?random/...) with a seed
2630	# that depends on the exit object	2907	# that depends on the exit object
2631		2908
2632	my $rmp = parse_random_map_params $exit->msg;	2909	my $rmp = parse_random_map_params $exit->msg;
…		…
2634	if ($exit->map) {	2911	if ($exit->map) {
2635	$rmp->{region} = $exit->region->name;	2912	$rmp->{region} = $exit->region->name;
2636	$rmp->{origin_map} = $exit->map->path;	2913	$rmp->{origin_map} = $exit->map->path;
2637	$rmp->{origin_x} = $exit->x;	2914	$rmp->{origin_x} = $exit->x;
2638	$rmp->{origin_y} = $exit->y;	2915	$rmp->{origin_y} = $exit->y;
		2916
		2917	$exit->map->touch;
2639	}	2918	}
2640		2919
2641	$rmp->{random_seed} ||= $exit->random_seed;	2920	$rmp->{random_seed} ||= $exit->random_seed;
2642		2921
2643	my $data = cf::encode_json $rmp;	2922	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2644	my $md5 = Digest::MD5::md5_hex $data;	2923	my $md5 = Digest::MD5::md5_hex $data;
2645	my $meta = "$RANDOMDIR/$md5.meta";	2924	my $meta = "$RANDOMDIR/$md5.meta";
2646		2925
2647	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2926	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2648	aio_write $fh, 0, (length $data), $data, 0;	2927	aio_write $fh, 0, (length $data), $data, 0;
2649	undef $fh;	2928	undef $fh;
2650	aio_rename "$meta~", $meta;	2929	aio_rename "$meta~", $meta;
2651		2930
		2931	my $slaying = "?random/$md5";
		2932
		2933	if ($exit->valid) {
2652	$exit->slaying ("?random/$md5");	2934	$exit->slaying ("?random/$md5");
2653	$exit->msg (undef);	2935	$exit->msg (undef);
		2936	}
2654	}	2937	}
2655	}	2938	}
2656		2939
2657	sub cf::object::player::enter_exit {	2940	sub cf::object::player::enter_exit {
2658	my ($self, $exit) = @_;	2941	my ($self, $exit) = @_;
2659		2942
2660	return unless $self->type == cf::PLAYER;	2943	return unless $self->type == cf::PLAYER;
2661		2944
2662	if ($exit->slaying eq "/!") {
2663	#TODO: this should de-fi-ni-te-ly not be a sync-job
2664	# the problem is that $exit might not survive long enough
2665	# so it needs to be done right now, right here
2666	cf::sync_job { prepare_random_map $exit };
2667	}
2668
2669	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2670	my $hp = $exit->stats->hp;
2671	my $sp = $exit->stats->sp;
2672
2673	$self->enter_link;	2945	$self->enter_link;
2674		2946
2675	# if exit is damned, update players death & WoR home-position
2676	$self->contr->savebed ($slaying, $hp, $sp)
2677	if $exit->flag (FLAG_DAMNED);
2678
2679	(async {	2947	(async {
2680	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2948	$Coro::current->{desc} = "enter_exit";
2681		2949
2682	$self->deactivate_recursive; # just to be sure
2683	unless (eval {	2950	unless (eval {
		2951	$self->deactivate_recursive; # just to be sure
		2952
		2953	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2954	my $x = $exit->stats->hp;
		2955	my $y = $exit->stats->sp;
		2956
		2957	# special map handling
		2958	my $slaying = $exit->slaying;
		2959
		2960	# special map handling
		2961	if ($slaying eq "/!") {
		2962	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2963
		2964	prepare_random_map $exit
		2965	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2966
		2967	$map = $exit->slaying;
		2968
		2969	} elsif ($slaying eq '!up') {
		2970	$map = $exit->map->tile_path (cf::TILE_UP);
		2971	$x = $exit->x;
		2972	$y = $exit->y;
		2973
		2974	} elsif ($slaying eq '!down') {
		2975	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2976	$x = $exit->x;
		2977	$y = $exit->y;
		2978	}
		2979
2684	$self->goto ($slaying, $hp, $sp);	2980	$self->goto ($map, $x, $y);
2685		2981
		2982	# if exit is damned, update players death & WoR home-position
		2983	$self->contr->savebed ($map, $x, $y)
		2984	if $exit->flag (cf::FLAG_DAMNED);
		2985
2686	1;	2986	1
2687	}) {	2987	}) {
2688	$self->message ("Something went wrong deep within the crossfire server. "	2988	$self->message ("Something went wrong deep within the deliantra server. "
2689	. "I'll try to bring you back to the map you were before. "	2989	. "I'll try to bring you back to the map you were before. "
2690	. "Please report this to the dungeon master!",	2990	. "Please report this to the dungeon master!",
2691	cf::NDI_UNIQUE | cf::NDI_RED);	2991	cf::NDI_UNIQUE | cf::NDI_RED);
2692		2992
2693	warn "ERROR in enter_exit: $@";	2993	error "ERROR in enter_exit: $@";
2694	$self->leave_link;	2994	$self->leave_link;
2695	}	2995	}
2696	})->prio (1);	2996	})->prio (1);
2697	}	2997	}
2698		2998
…		…
2710	sub cf::client::send_drawinfo {	3010	sub cf::client::send_drawinfo {
2711	my ($self, $text, $flags) = @_;	3011	my ($self, $text, $flags) = @_;
2712		3012
2713	utf8::encode $text;	3013	utf8::encode $text;
2714	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3014	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3015	}
		3016
		3017	=item $client->send_big_packet ($pkt)
		3018
		3019	Like C<send_packet>, but tries to compress large packets, and fragments
		3020	them as required.
		3021
		3022	=cut
		3023
		3024	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3025
		3026	sub cf::client::send_big_packet {
		3027	my ($self, $pkt) = @_;
		3028
		3029	# try lzf for large packets
		3030	$pkt = "lzf " . Compress::LZF::compress $pkt
		3031	if 1024 <= length $pkt and $self->{can_lzf};
		3032
		3033	# split very large packets
		3034	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3035	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3036	$pkt = "frag";
		3037	}
		3038
		3039	$self->send_packet ($pkt);
2715	}	3040	}
2716		3041
2717	=item $client->send_msg ($channel, $msg, $color, [extra...])	3042	=item $client->send_msg ($channel, $msg, $color, [extra...])
2718		3043
2719	Send a drawinfo or msg packet to the client, formatting the msg for the	3044	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2723		3048
2724	=cut	3049	=cut
2725		3050
2726	# non-persistent channels (usually the info channel)	3051	# non-persistent channels (usually the info channel)
2727	our %CHANNEL = (	3052	our %CHANNEL = (
		3053	"c/motd" => {
		3054	id => "infobox",
		3055	title => "MOTD",
		3056	reply => undef,
		3057	tooltip => "The message of the day",
		3058	},
2728	"c/identify" => {	3059	"c/identify" => {
2729	id => "infobox",	3060	id => "infobox",
2730	title => "Identify",	3061	title => "Identify",
2731	reply => undef,	3062	reply => undef,
2732	tooltip => "Items recently identified",	3063	tooltip => "Items recently identified",
…		…
2734	"c/examine" => {	3065	"c/examine" => {
2735	id => "infobox",	3066	id => "infobox",
2736	title => "Examine",	3067	title => "Examine",
2737	reply => undef,	3068	reply => undef,
2738	tooltip => "Signs and other items you examined",	3069	tooltip => "Signs and other items you examined",
		3070	},
		3071	"c/shopinfo" => {
		3072	id => "infobox",
		3073	title => "Shop Info",
		3074	reply => undef,
		3075	tooltip => "What your bargaining skill tells you about the shop",
2739	},	3076	},
2740	"c/book" => {	3077	"c/book" => {
2741	id => "infobox",	3078	id => "infobox",
2742	title => "Book",	3079	title => "Book",
2743	reply => undef,	3080	reply => undef,
…		…
2759	id => "infobox",	3096	id => "infobox",
2760	title => "Body Parts",	3097	title => "Body Parts",
2761	reply => undef,	3098	reply => undef,
2762	tooltip => "Shows which body parts you posess and are available",	3099	tooltip => "Shows which body parts you posess and are available",
2763	},	3100	},
		3101	"c/statistics" => {
		3102	id => "infobox",
		3103	title => "Statistics",
		3104	reply => undef,
		3105	tooltip => "Shows your primary statistics",
		3106	},
		3107	"c/skills" => {
		3108	id => "infobox",
		3109	title => "Skills",
		3110	reply => undef,
		3111	tooltip => "Shows your experience per skill and item power",
		3112	},
		3113	"c/shopitems" => {
		3114	id => "infobox",
		3115	title => "Shop Items",
		3116	reply => undef,
		3117	tooltip => "Shows the items currently for sale in this shop",
		3118	},
		3119	"c/resistances" => {
		3120	id => "infobox",
		3121	title => "Resistances",
		3122	reply => undef,
		3123	tooltip => "Shows your resistances",
		3124	},
		3125	"c/pets" => {
		3126	id => "infobox",
		3127	title => "Pets",
		3128	reply => undef,
		3129	tooltip => "Shows information abotu your pets/a specific pet",
		3130	},
		3131	"c/perceiveself" => {
		3132	id => "infobox",
		3133	title => "Perceive Self",
		3134	reply => undef,
		3135	tooltip => "You gained detailed knowledge about yourself",
		3136	},
2764	"c/uptime" => {	3137	"c/uptime" => {
2765	id => "infobox",	3138	id => "infobox",
2766	title => "Uptime",	3139	title => "Uptime",
2767	reply => undef,	3140	reply => undef,
2768	tooltip => "How long the server has been running since last restart",	3141	tooltip => "How long the server has been running since last restart",
…		…
2771	id => "infobox",	3144	id => "infobox",
2772	title => "Map Info",	3145	title => "Map Info",
2773	reply => undef,	3146	reply => undef,
2774	tooltip => "Information related to the maps",	3147	tooltip => "Information related to the maps",
2775	},	3148	},
		3149	"c/party" => {
		3150	id => "party",
		3151	title => "Party",
		3152	reply => "gsay ",
		3153	tooltip => "Messages and chat related to your party",
		3154	},
		3155	"c/death" => {
		3156	id => "death",
		3157	title => "Death",
		3158	reply => undef,
		3159	tooltip => "Reason for and more info about your most recent death",
		3160	},
		3161	"c/say" => $SAY_CHANNEL,
		3162	"c/chat" => $CHAT_CHANNEL,
2776	);	3163	);
2777		3164
2778	sub cf::client::send_msg {	3165	sub cf::client::send_msg {
2779	my ($self, $channel, $msg, $color, @extra) = @_;	3166	my ($self, $channel, $msg, $color, @extra) = @_;
2780		3167
2781	$msg = $self->pl->expand_cfpod ($msg);	3168	$msg = $self->pl->expand_cfpod ($msg)
		3169	unless $color & cf::NDI_VERBATIM;
2782		3170
2783	$color &= cf::NDI_CLIENT_MASK; # just in case...	3171	$color &= cf::NDI_CLIENT_MASK; # just in case...
2784		3172
2785	# check predefined channels, for the benefit of C	3173	# check predefined channels, for the benefit of C
2786	if ($CHANNEL{$channel}) {	3174	if ($CHANNEL{$channel}) {
2787	$channel = $CHANNEL{$channel};	3175	$channel = $CHANNEL{$channel};
2788		3176
2789	$self->ext_msg (channel_info => $channel)	3177	$self->ext_msg (channel_info => $channel);
2790	if $self->can_msg;
2791
2792	$channel = $channel->{id};	3178	$channel = $channel->{id};
2793		3179
2794	} elsif (ref $channel) {	3180	} elsif (ref $channel) {
2795	# send meta info to client, if not yet sent	3181	# send meta info to client, if not yet sent
2796	unless (exists $self->{channel}{$channel->{id}}) {	3182	unless (exists $self->{channel}{$channel->{id}}) {
2797	$self->{channel}{$channel->{id}} = $channel;	3183	$self->{channel}{$channel->{id}} = $channel;
2798	$self->ext_msg (channel_info => $channel)	3184	$self->ext_msg (channel_info => $channel);
2799	if $self->can_msg;
2800	}	3185	}
2801		3186
2802	$channel = $channel->{id};	3187	$channel = $channel->{id};
2803	}	3188	}
2804		3189
2805	return unless @extra || length $msg;	3190	return unless @extra || length $msg;
2806		3191
2807	if ($self->can_msg) {
2808	# default colour, mask it out	3192	# default colour, mask it out
2809	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3193	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2810	if $color & cf::NDI_DEF;	3194	if $color & cf::NDI_DEF;
2811		3195
2812	$self->send_packet ("msg " . $self->{json_coder}->encode (	3196	my $pkt = "msg "
		3197	. $self->{json_coder}->encode (
2813	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3198	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2814	} else {	3199	);
2815	if ($color >= 0) {
2816	# replace some tags by gcfclient-compatible ones
2817	for ($msg) {
2818	1 while
2819	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2820	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2821	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2822	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2823	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2824	}
2825		3200
2826	$color &= cf::NDI_COLOR_MASK;	3201	$self->send_big_packet ($pkt);
2827
2828	utf8::encode $msg;
2829
2830	if (0 && $msg =~ /\[/) {
2831	# COMMAND/INFO
2832	$self->send_packet ("drawextinfo $color 10 8 $msg")
2833	} else {
2834	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2835	$self->send_packet ("drawinfo $color $msg")
2836	}
2837	}
2838	}
2839	}	3202	}
2840		3203
2841	=item $client->ext_msg ($type, @msg)	3204	=item $client->ext_msg ($type, @msg)
2842		3205
2843	Sends an ext event to the client.	3206	Sends an ext event to the client.
…		…
2846		3209
2847	sub cf::client::ext_msg($$@) {	3210	sub cf::client::ext_msg($$@) {
2848	my ($self, $type, @msg) = @_;	3211	my ($self, $type, @msg) = @_;
2849		3212
2850	if ($self->extcmd == 2) {	3213	if ($self->extcmd == 2) {
2851	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3214	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2852	} elsif ($self->extcmd == 1) { # TODO: remove	3215	} elsif ($self->extcmd == 1) { # TODO: remove
2853	push @msg, msgtype => "event_$type";	3216	push @msg, msgtype => "event_$type";
2854	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3217	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2855	}	3218	}
2856	}	3219	}
2857		3220
2858	=item $client->ext_reply ($msgid, @msg)	3221	=item $client->ext_reply ($msgid, @msg)
2859		3222
…		…
2862	=cut	3225	=cut
2863		3226
2864	sub cf::client::ext_reply($$@) {	3227	sub cf::client::ext_reply($$@) {
2865	my ($self, $id, @msg) = @_;	3228	my ($self, $id, @msg) = @_;
2866		3229
2867	if ($self->extcmd == 2) {	3230	return unless $self->extcmd == 2;
		3231
2868	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3232	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2869	} elsif ($self->extcmd == 1) {
2870	#TODO: version 1, remove
2871	unshift @msg, msgtype => "reply", msgid => $id;
2872	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2873	}
2874	}	3233	}
2875		3234
2876	=item $success = $client->query ($flags, "text", \&cb)	3235	=item $success = $client->query ($flags, "text", \&cb)
2877		3236
2878	Queues a query to the client, calling the given callback with	3237	Queues a query to the client, calling the given callback with
…		…
2933	my ($ns, $buf) = @_;	3292	my ($ns, $buf) = @_;
2934		3293
2935	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3294	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2936		3295
2937	if (ref $msg) {	3296	if (ref $msg) {
2938	my ($type, $reply, @payload) =	3297	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2939	"ARRAY" eq ref $msg
2940	? @$msg
2941	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2942		3298
2943	my @reply;	3299	my @reply;
2944		3300
2945	if (my $cb = $EXTICMD{$type}) {	3301	if (my $cb = $EXTICMD{$type}) {
2946	@reply = $cb->($ns, @payload);	3302	@reply = $cb->($ns, @payload);
…		…
2948		3304
2949	$ns->ext_reply ($reply, @reply)	3305	$ns->ext_reply ($reply, @reply)
2950	if $reply;	3306	if $reply;
2951		3307
2952	} else {	3308	} else {
2953	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3309	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2954	}	3310	}
2955		3311
2956	cf::override;	3312	cf::override;
2957	},	3313	},
2958	);	3314	);
…		…
2978		3334
2979	$coro	3335	$coro
2980	}	3336	}
2981		3337
2982	cf::client->attach (	3338	cf::client->attach (
2983	on_destroy => sub {	3339	on_client_destroy => sub {
2984	my ($ns) = @_;	3340	my ($ns) = @_;
2985		3341
2986	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3342	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2987	},	3343	},
2988	);	3344	);
…		…
3004	our $safe_hole = new Safe::Hole;	3360	our $safe_hole = new Safe::Hole;
3005		3361
3006	$SIG{FPE} = 'IGNORE';	3362	$SIG{FPE} = 'IGNORE';
3007		3363
3008	$safe->permit_only (Opcode::opset qw(	3364	$safe->permit_only (Opcode::opset qw(
3009	:base_core :base_mem :base_orig :base_math	3365	:base_core :base_mem :base_orig :base_math :base_loop
3010	grepstart grepwhile mapstart mapwhile	3366	grepstart grepwhile mapstart mapwhile
3011	sort time	3367	sort time
3012	));	3368	));
3013		3369
3014	# here we export the classes and methods available to script code	3370	# here we export the classes and methods available to script code
…		…
3017		3373
3018	The following functions and methods are available within a safe environment:	3374	The following functions and methods are available within a safe environment:
3019		3375
3020	cf::object	3376	cf::object
3021	contr pay_amount pay_player map x y force_find force_add destroy	3377	contr pay_amount pay_player map x y force_find force_add destroy
3022	insert remove name archname title slaying race decrease_ob_nr	3378	insert remove name archname title slaying race decrease split
		3379	value
3023		3380
3024	cf::object::player	3381	cf::object::player
3025	player	3382	player
3026		3383
3027	cf::player	3384	cf::player
…		…
3032		3389
3033	=cut	3390	=cut
3034		3391
3035	for (	3392	for (
3036	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3393	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3037	insert remove inv name archname title slaying race	3394	insert remove inv nrof name archname title slaying race
3038	decrease_ob_nr destroy)],	3395	decrease split destroy change_exp value msg lore send_msg)],
3039	["cf::object::player" => qw(player)],	3396	["cf::object::player" => qw(player)],
3040	["cf::player" => qw(peaceful)],	3397	["cf::player" => qw(peaceful send_msg)],
3041	["cf::map" => qw(trigger)],	3398	["cf::map" => qw(trigger)],
3042	) {	3399	) {
3043	no strict 'refs';
3044	my ($pkg, @funs) = @$_;	3400	my ($pkg, @funs) = @$_;
3045	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3401	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3046	for @funs;	3402	for @funs;
3047	}	3403	}
3048		3404
…		…
3063		3419
3064	my $qcode = $code;	3420	my $qcode = $code;
3065	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3421	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3066	$qcode =~ s/\n/\\n/g;	3422	$qcode =~ s/\n/\\n/g;
3067		3423
		3424	%vars = (_dummy => 0) unless %vars;
		3425
		3426	my @res;
3068	local $_;	3427	local $_;
3069	local @safe::cf::_safe_eval_args = values %vars;
3070		3428
3071	my $eval =	3429	my $eval =
3072	"do {\n"	3430	"do {\n"
3073	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3431	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3074	. "#line 0 \"{$qcode}\"\n"	3432	. "#line 0 \"{$qcode}\"\n"
3075	. $code	3433	. $code
3076	. "\n}"	3434	. "\n}"
3077	;	3435	;
3078		3436
		3437	if ($CFG{safe_eval}) {
3079	sub_generation_inc;	3438	sub_generation_inc;
		3439	local @safe::cf::_safe_eval_args = values %vars;
3080	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3440	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3081	sub_generation_inc;	3441	sub_generation_inc;
		3442	} else {
		3443	local @cf::_safe_eval_args = values %vars;
		3444	@res = wantarray ? eval eval : scalar eval $eval;
		3445	}
3082		3446
3083	if ($@) {	3447	if ($@) {
3084	warn "$@";	3448	warn "$@",
3085	warn "while executing safe code '$code'\n";	3449	"while executing safe code '$code'\n",
3086	warn "with arguments " . (join " ", %vars) . "\n";	3450	"with arguments " . (join " ", %vars) . "\n";
3087	}	3451	}
3088		3452
3089	wantarray ? @res : $res[0]	3453	wantarray ? @res : $res[0]
3090	}	3454	}
3091		3455
…		…
3105	=cut	3469	=cut
3106		3470
3107	sub register_script_function {	3471	sub register_script_function {
3108	my ($fun, $cb) = @_;	3472	my ($fun, $cb) = @_;
3109		3473
3110	no strict 'refs';	3474	$fun = "safe::$fun" if $CFG{safe_eval};
3111	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3475	*$fun = $safe_hole->wrap ($cb);
3112	}	3476	}
3113		3477
3114	=back	3478	=back
3115		3479
3116	=cut	3480	=cut
…		…
3125	# for this (global event?)	3489	# for this (global event?)
3126	%ext::player_env::MUSIC_FACE_CACHE = ();	3490	%ext::player_env::MUSIC_FACE_CACHE = ();
3127		3491
3128	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3492	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3129		3493
3130	warn "loading facedata from $path\n";	3494	trace "loading facedata from $path\n";
3131		3495
3132	my $facedata;	3496	my $facedata = decode_storable load_file $path;
3133	0 < aio_load $path, $facedata
3134	or die "$path: $!";
3135
3136	$facedata = Coro::Storable::thaw $facedata;
3137		3497
3138	$facedata->{version} == 2	3498	$facedata->{version} == 2
3139	or cf::cleanup "$path: version mismatch, cannot proceed.";	3499	or cf::cleanup "$path: version mismatch, cannot proceed.";
3140		3500
3141	# patch in the exptable	3501	# patch in the exptable
		3502	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3142	$facedata->{resource}{"res/exp_table"} = {	3503	$facedata->{resource}{"res/exp_table"} = {
3143	type => FT_RSRC,	3504	type => FT_RSRC,
3144	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3505	data => $exp_table,
		3506	hash => (Digest::MD5::md5 $exp_table),
3145	};	3507	};
3146	cf::cede_to_tick;	3508	cf::cede_to_tick;
3147		3509
3148	{	3510	{
3149	my $faces = $facedata->{faceinfo};	3511	my $faces = $facedata->{faceinfo};
3150		3512
3151	while (my ($face, $info) = each %$faces) {	3513	while (my ($face, $info) = each %$faces) {
3152	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3514	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3515
3153	cf::face::set_visibility $idx, $info->{visibility};	3516	cf::face::set_visibility $idx, $info->{visibility};
3154	cf::face::set_magicmap $idx, $info->{magicmap};	3517	cf::face::set_magicmap $idx, $info->{magicmap};
3155	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3518	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3156	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3519	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3520	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3157		3521
3158	cf::cede_to_tick;	3522	cf::cede_to_tick;
3159	}	3523	}
3160		3524
3161	while (my ($face, $info) = each %$faces) {	3525	while (my ($face, $info) = each %$faces) {
3162	next unless $info->{smooth};	3526	next unless $info->{smooth};
		3527
3163	my $idx = cf::face::find $face	3528	my $idx = cf::face::find $face
3164	or next;	3529	or next;
		3530
3165	if (my $smooth = cf::face::find $info->{smooth}) {	3531	if (my $smooth = cf::face::find $info->{smooth}) {
3166	cf::face::set_smooth $idx, $smooth;	3532	cf::face::set_smooth $idx, $smooth;
3167	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3533	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3168	} else {	3534	} else {
3169	warn "smooth face '$info->{smooth}' not found for face '$face'";	3535	error "smooth face '$info->{smooth}' not found for face '$face'";
3170	}	3536	}
3171		3537
3172	cf::cede_to_tick;	3538	cf::cede_to_tick;
3173	}	3539	}
3174	}	3540	}
…		…
3183		3549
3184	cf::anim::invalidate_all; # d'oh	3550	cf::anim::invalidate_all; # d'oh
3185	}	3551	}
3186		3552
3187	{	3553	{
3188	# TODO: for gcfclient pleasure, we should give resources
3189	# that gcfclient doesn't grok a >10000 face index.
3190	my $res = $facedata->{resource};	3554	my $res = $facedata->{resource};
3191		3555
3192	my $soundconf = delete $res->{"res/sound.conf"};
3193
3194	while (my ($name, $info) = each %$res) {	3556	while (my ($name, $info) = each %$res) {
		3557	if (defined (my $type = $info->{type})) {
		3558	# TODO: different hash - must free and use new index, or cache ixface data queue
3195	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3559	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3196	my $data;
3197		3560
3198	if ($info->{type} & 1) {	3561	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3199	# prepend meta info	3562	cf::face::set_type $idx, $type;
3200		3563	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
3201	my $meta = $enc->encode ({
3202	name => $name,
3203	%{ $info->{meta} || {} },
3204	});
3205
3206	$data = pack "(w/a*)*", $meta, $info->{data};
3207	} else {	3564	} else {
3208	$data = $info->{data};	3565	# $RESOURCE{$name} = $info; # unused
3209	}	3566	}
3210		3567
3211	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3212	cf::face::set_type $idx, $info->{type};
3213
3214	cf::cede_to_tick;	3568	cf::cede_to_tick;
3215	}	3569	}
3216
3217	if ($soundconf) {
3218	$soundconf = $enc->decode (delete $soundconf->{data});
3219
3220	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3221	my $sound = $soundconf->{compat}[$_]
3222	or next;
3223
3224	my $face = cf::face::find "sound/$sound->[1]";
3225	cf::sound::set $sound->[0] => $face;
3226	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3227	}
3228
3229	while (my ($k, $v) = each %{$soundconf->{event}}) {
3230	my $face = cf::face::find "sound/$v";
3231	cf::sound::set $k => $face;
3232	}
3233	}
3234	}	3570	}
		3571
		3572	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3235		3573
3236	1	3574	1
3237	}	3575	}
3238		3576
3239	register_exticmd fx_want => sub {	3577	register_exticmd fx_want => sub {
…		…
3241		3579
3242	while (my ($k, $v) = each %$want) {	3580	while (my ($k, $v) = each %$want) {
3243	$ns->fx_want ($k, $v);	3581	$ns->fx_want ($k, $v);
3244	}	3582	}
3245	};	3583	};
		3584
		3585	sub load_resource_file($) {
		3586	my $guard = lock_acquire "load_resource_file";
		3587
		3588	my $status = load_resource_file_ $_[0];
		3589	get_slot 0.1, 100;
		3590	cf::arch::commit_load;
		3591
		3592	$status
		3593	}
3246		3594
3247	sub reload_regions {	3595	sub reload_regions {
3248	# HACK to clear player env face cache, we need some signal framework	3596	# HACK to clear player env face cache, we need some signal framework
3249	# for this (global event?)	3597	# for this (global event?)
3250	%ext::player_env::MUSIC_FACE_CACHE = ();	3598	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3264	}	3612	}
3265		3613
3266	sub reload_archetypes {	3614	sub reload_archetypes {
3267	load_resource_file "$DATADIR/archetypes"	3615	load_resource_file "$DATADIR/archetypes"
3268	or die "unable to load archetypes\n";	3616	or die "unable to load archetypes\n";
3269	#d# NEED to laod twice to resolve forward references
3270	# this really needs to be done in an extra post-pass
3271	# (which needs to be synchronous, so solve it differently)
3272	load_resource_file "$DATADIR/archetypes"
3273	or die "unable to load archetypes\n";
3274	}	3617	}
3275		3618
3276	sub reload_treasures {	3619	sub reload_treasures {
3277	load_resource_file "$DATADIR/treasures"	3620	load_resource_file "$DATADIR/treasures"
3278	or die "unable to load treasurelists\n";	3621	or die "unable to load treasurelists\n";
3279	}	3622	}
3280		3623
		3624	sub reload_sound {
		3625	trace "loading sound config from $DATADIR/sound\n";
		3626
		3627	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3628
		3629	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3630	my $sound = $soundconf->{compat}[$_]
		3631	or next;
		3632
		3633	my $face = cf::face::find "sound/$sound->[1]";
		3634	cf::sound::set $sound->[0] => $face;
		3635	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3636	}
		3637
		3638	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3639	my $face = cf::face::find "sound/$v";
		3640	cf::sound::set $k => $face;
		3641	}
		3642	}
		3643
3281	sub reload_resources {	3644	sub reload_resources {
3282	warn "reloading resource files...\n";	3645	trace "reloading resource files...\n";
3283		3646
		3647	reload_exp_table;
		3648	reload_materials;
		3649	reload_facedata;
		3650	reload_sound;
		3651	reload_archetypes;
3284	reload_regions;	3652	reload_regions;
3285	reload_facedata;
3286	#reload_archetypes;#d#
3287	reload_archetypes;
3288	reload_treasures;	3653	reload_treasures;
3289		3654
3290	warn "finished reloading resource files\n";	3655	trace "finished reloading resource files\n";
3291	}
3292
3293	sub init {
3294	reload_resources;
3295	}	3656	}
3296		3657
3297	sub reload_config {	3658	sub reload_config {
3298	open my $fh, "<:utf8", "$CONFDIR/config"	3659	trace "reloading config file...\n";
3299	or return;
3300		3660
3301	local $/;	3661	my $config = load_file "$CONFDIR/config";
3302	*CFG = YAML::Syck::Load <$fh>;	3662	utf8::decode $config;
		3663	*CFG = decode_yaml $config;
3303		3664
3304	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3665	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3305		3666
3306	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3667	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3307	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3668	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3308		3669
3309	if (exists $CFG{mlockall}) {	3670	if (exists $CFG{mlockall}) {
…		…
3313	};	3674	};
3314	warn $@ if $@;	3675	warn $@ if $@;
3315	}	3676	}
3316	}	3677	}
3317		3678
		3679	sub pidfile() {
		3680	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3681	or die "$PIDFILE: $!";
		3682	flock $fh, &Fcntl::LOCK_EX
		3683	or die "$PIDFILE: flock: $!";
		3684	$fh
		3685	}
		3686
		3687	# make sure only one server instance is running at any one time
		3688	sub atomic {
		3689	my $fh = pidfile;
		3690
		3691	my $pid = <$fh>;
		3692	kill 9, $pid if $pid > 0;
		3693
		3694	seek $fh, 0, 0;
		3695	print $fh $$;
		3696	}
		3697
		3698	sub main_loop {
		3699	trace "EV::loop starting\n";
		3700	if (1) {
		3701	EV::loop;
		3702	}
		3703	trace "EV::loop returned\n";
		3704	goto &main_loop unless $REALLY_UNLOOP;
		3705	}
		3706
3318	sub main {	3707	sub main {
		3708	cf::init_globals; # initialise logging
		3709
		3710	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3711	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3712	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3713	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3714
		3715	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3716
3319	# we must not ever block the main coroutine	3717	# we must not ever block the main coroutine
3320	local $Coro::idle = sub {	3718	local $Coro::idle = sub {
3321	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3719	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3322	(async {	3720	(async {
3323	$Coro::current->{desc} = "IDLE BUG HANDLER";	3721	$Coro::current->{desc} = "IDLE BUG HANDLER";
3324	EV::loop EV::LOOP_ONESHOT;	3722	EV::loop EV::LOOP_ONESHOT;
3325	})->prio (Coro::PRIO_MAX);	3723	})->prio (Coro::PRIO_MAX);
3326	};	3724	};
3327		3725
		3726	evthread_start IO::AIO::poll_fileno;
		3727
		3728	cf::sync_job {
		3729	cf::incloader::init ();
		3730
		3731	cf::init_anim;
		3732	cf::init_attackmess;
		3733	cf::init_dynamic;
		3734
		3735	cf::load_settings;
		3736
		3737	reload_resources;
3328	reload_config;	3738	reload_config;
3329	db_init;	3739	db_init;
		3740
		3741	cf::init_uuid;
		3742	cf::init_signals;
		3743	cf::init_skills;
		3744
		3745	cf::init_beforeplay;
		3746
		3747	atomic;
		3748
3330	load_extensions;	3749	load_extensions;
3331		3750
3332	$TICK_WATCHER->start;	3751	utime time, time, $RUNTIMEFILE;
3333	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3752
3334	EV::loop;	3753	# no (long-running) fork's whatsoever before this point(!)
		3754	use POSIX ();
		3755	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3756
		3757	cf::_post_init 0;
		3758	};
		3759
		3760	cf::object::thawer::errors_are_fatal 0;
		3761	info "parse errors in files are no longer fatal from this point on.\n";
		3762
		3763	AE::postpone {
		3764	undef &main; # free gobs of memory :)
		3765	};
		3766
		3767	goto &main_loop;
3335	}	3768	}
3336		3769
3337	#############################################################################	3770	#############################################################################
3338	# initialisation and cleanup	3771	# initialisation and cleanup
3339		3772
3340	# install some emergency cleanup handlers	3773	# install some emergency cleanup handlers
3341	BEGIN {	3774	BEGIN {
3342	our %SIGWATCHER = ();	3775	our %SIGWATCHER = ();
3343	for my $signal (qw(INT HUP TERM)) {	3776	for my $signal (qw(INT HUP TERM)) {
3344	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3777	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3345	cf::cleanup "SIG$signal";	3778	cf::cleanup "SIG$signal";
3346	};	3779	};
3347	}	3780	}
3348	}	3781	}
3349		3782
3350	sub write_runtime {	3783	sub write_runtime_sync {
3351	my $runtime = "$LOCALDIR/runtime";	3784	my $t0 = AE::time;
3352		3785
3353	# first touch the runtime file to show we are still running:	3786	# first touch the runtime file to show we are still running:
3354	# the fsync below can take a very very long time.	3787	# the fsync below can take a very very long time.
3355		3788
3356	IO::AIO::aio_utime $runtime, undef, undef;	3789	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3357		3790
3358	my $guard = cf::lock_acquire "write_runtime";	3791	my $guard = cf::lock_acquire "write_runtime";
3359		3792
3360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3793	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3361	or return;	3794	or return;
3362		3795
3363	my $value = $cf::RUNTIME + 90 + 10;	3796	my $value = $cf::RUNTIME + 90 + 10;
3364	# 10 is the runtime save interval, for a monotonic clock	3797	# 10 is the runtime save interval, for a monotonic clock
3365	# 60 allows for the watchdog to kill the server.	3798	# 60 allows for the watchdog to kill the server.
…		…
3375	aio_utime $fh, undef, undef;	3808	aio_utime $fh, undef, undef;
3376		3809
3377	close $fh	3810	close $fh
3378	or return;	3811	or return;
3379		3812
3380	aio_rename "$runtime~", $runtime	3813	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3381	and return;	3814	and return;
3382		3815
3383	warn "runtime file written.\n";	3816	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3384		3817
3385	1	3818	1
		3819	}
		3820
		3821	our $uuid_lock;
		3822	our $uuid_skip;
		3823
		3824	sub write_uuid_sync($) {
		3825	$uuid_skip ||= $_[0];
		3826
		3827	return if $uuid_lock;
		3828	local $uuid_lock = 1;
		3829
		3830	my $uuid = "$LOCALDIR/uuid";
		3831
		3832	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3833	or return;
		3834
		3835	my $value = uuid_seq uuid_cur;
		3836
		3837	unless ($value) {
		3838	info "cowardly refusing to write zero uuid value!\n";
		3839	return;
		3840	}
		3841
		3842	my $value = uuid_str $value + $uuid_skip;
		3843	$uuid_skip = 0;
		3844
		3845	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3846	and return;
		3847
		3848	# always fsync - this file is important
		3849	aio_fsync $fh
		3850	and return;
		3851
		3852	close $fh
		3853	or return;
		3854
		3855	aio_rename "$uuid~", $uuid
		3856	and return;
		3857
		3858	trace "uuid file written ($value).\n";
		3859
		3860	1
		3861
		3862	}
		3863
		3864	sub write_uuid($$) {
		3865	my ($skip, $sync) = @_;
		3866
		3867	$sync ? write_uuid_sync $skip
		3868	: async { write_uuid_sync $skip };
3386	}	3869	}
3387		3870
3388	sub emergency_save() {	3871	sub emergency_save() {
3389	my $freeze_guard = cf::freeze_mainloop;	3872	my $freeze_guard = cf::freeze_mainloop;
3390		3873
3391	warn "enter emergency perl save\n";	3874	info "emergency_perl_save: enter\n";
		3875
		3876	# this is a trade-off: we want to be very quick here, so
		3877	# save all maps without fsync, and later call a global sync
		3878	# (which in turn might be very very slow)
		3879	local $USE_FSYNC = 0;
3392		3880
3393	cf::sync_job {	3881	cf::sync_job {
		3882	cf::write_runtime_sync; # external watchdog should not bark
		3883
3394	# use a peculiar iteration method to avoid tripping on perl	3884	# use a peculiar iteration method to avoid tripping on perl
3395	# refcount bugs in for. also avoids problems with players	3885	# refcount bugs in for. also avoids problems with players
3396	# and maps saved/destroyed asynchronously.	3886	# and maps saved/destroyed asynchronously.
3397	warn "begin emergency player save\n";	3887	info "emergency_perl_save: begin player save\n";
3398	for my $login (keys %cf::PLAYER) {	3888	for my $login (keys %cf::PLAYER) {
3399	my $pl = $cf::PLAYER{$login} or next;	3889	my $pl = $cf::PLAYER{$login} or next;
3400	$pl->valid or next;	3890	$pl->valid or next;
3401	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3891	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3402	$pl->save;	3892	$pl->save;
3403	}	3893	}
3404	warn "end emergency player save\n";	3894	info "emergency_perl_save: end player save\n";
3405		3895
3406	warn "begin emergency map save\n";	3896	cf::write_runtime_sync; # external watchdog should not bark
		3897
		3898	info "emergency_perl_save: begin map save\n";
3407	for my $path (keys %cf::MAP) {	3899	for my $path (keys %cf::MAP) {
3408	my $map = $cf::MAP{$path} or next;	3900	my $map = $cf::MAP{$path} or next;
3409	$map->valid or next;	3901	$map->valid or next;
3410	$map->save;	3902	$map->save;
3411	}	3903	}
3412	warn "end emergency map save\n";	3904	info "emergency_perl_save: end map save\n";
3413		3905
3414	warn "begin emergency database checkpoint\n";	3906	cf::write_runtime_sync; # external watchdog should not bark
		3907
		3908	info "emergency_perl_save: begin database checkpoint\n";
3415	BDB::db_env_txn_checkpoint $DB_ENV;	3909	BDB::db_env_txn_checkpoint $DB_ENV;
3416	warn "end emergency database checkpoint\n";	3910	info "emergency_perl_save: end database checkpoint\n";
		3911
		3912	info "emergency_perl_save: begin write uuid\n";
		3913	write_uuid_sync 1;
		3914	info "emergency_perl_save: end write uuid\n";
		3915
		3916	cf::write_runtime_sync; # external watchdog should not bark
		3917
		3918	trace "emergency_perl_save: syncing database to disk";
		3919	BDB::db_env_txn_checkpoint $DB_ENV;
		3920
		3921	info "emergency_perl_save: starting sync\n";
		3922	IO::AIO::aio_sync sub {
		3923	info "emergency_perl_save: finished sync\n";
		3924	};
		3925
		3926	cf::write_runtime_sync; # external watchdog should not bark
		3927
		3928	trace "emergency_perl_save: flushing outstanding aio requests";
		3929	while (IO::AIO::nreqs || BDB::nreqs) {
		3930	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3931	}
		3932
		3933	cf::write_runtime_sync; # external watchdog should not bark
3417	};	3934	};
3418		3935
3419	warn "leave emergency perl save\n";	3936	info "emergency_perl_save: leave\n";
3420	}	3937	}
3421		3938
3422	sub post_cleanup {	3939	sub post_cleanup {
3423	my ($make_core) = @_;	3940	my ($make_core) = @_;
3424		3941
		3942	IO::AIO::flush;
		3943
3425	warn Carp::longmess "post_cleanup backtrace"	3944	error Carp::longmess "post_cleanup backtrace"
3426	if $make_core;	3945	if $make_core;
		3946
		3947	my $fh = pidfile;
		3948	unlink $PIDFILE if <$fh> == $$;
		3949	}
		3950
		3951	# a safer delete_package, copied from Symbol
		3952	sub clear_package($) {
		3953	my $pkg = shift;
		3954
		3955	# expand to full symbol table name if needed
		3956	unless ($pkg =~ /^main::.*::$/) {
		3957	$pkg = "main$pkg" if $pkg =~ /^::/;
		3958	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3959	$pkg .= '::' unless $pkg =~ /::$/;
		3960	}
		3961
		3962	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3963	my $stem_symtab = *{$stem}{HASH};
		3964
		3965	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3966	or return;
		3967
		3968	# clear all symbols
		3969	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3970	for my $name (keys %$leaf_symtab) {
		3971	_gv_clear *{"$pkg$name"};
		3972	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3973	}
3427	}	3974	}
3428		3975
3429	sub do_reload_perl() {	3976	sub do_reload_perl() {
3430	# can/must only be called in main	3977	# can/must only be called in main
3431	if ($Coro::current != $Coro::main) {	3978	unless (in_main) {
3432	warn "can only reload from main coroutine";	3979	error "can only reload from main coroutine";
3433	return;	3980	return;
3434	}	3981	}
3435		3982
3436	warn "reloading...";	3983	return if $RELOAD++;
3437		3984
3438	warn "entering sync_job";	3985	my $t1 = AE::time;
3439		3986
		3987	while ($RELOAD) {
		3988	cf::get_slot 0.1, -1, "reload_perl";
		3989	info "perl_reload: reloading...";
		3990
		3991	trace "perl_reload: entering sync_job";
		3992
3440	cf::sync_job {	3993	cf::sync_job {
3441	cf::write_runtime; # external watchdog should not bark
3442	cf::emergency_save;	3994	#cf::emergency_save;
3443	cf::write_runtime; # external watchdog should not bark
3444		3995
3445	warn "syncing database to disk";
3446	BDB::db_env_txn_checkpoint $DB_ENV;
3447
3448	# if anything goes wrong in here, we should simply crash as we already saved
3449
3450	warn "flushing outstanding aio requests";
3451	for (;;) {
3452	BDB::flush;
3453	IO::AIO::flush;
3454	Coro::cede_notself;
3455	last unless IO::AIO::nreqs || BDB::nreqs;
3456	warn "iterate...";
3457	}
3458
3459	++$RELOAD;
3460
3461	warn "cancelling all extension coros";	3996	trace "perl_reload: cancelling all extension coros";
3462	$_->cancel for values %EXT_CORO;	3997	$_->cancel for values %EXT_CORO;
3463	%EXT_CORO = ();	3998	%EXT_CORO = ();
3464		3999
3465	warn "removing commands";	4000	trace "perl_reload: removing commands";
3466	%COMMAND = ();	4001	%COMMAND = ();
3467		4002
3468	warn "removing ext/exti commands";	4003	trace "perl_reload: removing ext/exti commands";
3469	%EXTCMD = ();	4004	%EXTCMD = ();
3470	%EXTICMD = ();	4005	%EXTICMD = ();
3471		4006
3472	warn "unloading/nuking all extensions";	4007	trace "perl_reload: unloading/nuking all extensions";
3473	for my $pkg (@EXTS) {	4008	for my $pkg (@EXTS) {
3474	warn "... unloading $pkg";	4009	trace "... unloading $pkg";
3475		4010
3476	if (my $cb = $pkg->can ("unload")) {	4011	if (my $cb = $pkg->can ("unload")) {
3477	eval {	4012	eval {
3478	$cb->($pkg);	4013	$cb->($pkg);
3479	1	4014	1
3480	} or warn "$pkg unloaded, but with errors: $@";	4015	} or error "$pkg unloaded, but with errors: $@";
		4016	}
		4017
		4018	trace "... clearing $pkg";
		4019	clear_package $pkg;
3481	}	4020	}
3482		4021
3483	warn "... nuking $pkg";
3484	Symbol::delete_package $pkg;
3485	}
3486
3487	warn "unloading all perl modules loaded from $LIBDIR";	4022	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3488	while (my ($k, $v) = each %INC) {	4023	while (my ($k, $v) = each %INC) {
3489	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4024	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3490		4025
3491	warn "... unloading $k";	4026	trace "... unloading $k";
3492	delete $INC{$k};	4027	delete $INC{$k};
3493		4028
3494	$k =~ s/\.pm$//;	4029	$k =~ s/\.pm$//;
3495	$k =~ s/\//::/g;	4030	$k =~ s/\//::/g;
3496		4031
3497	if (my $cb = $k->can ("unload_module")) {	4032	if (my $cb = $k->can ("unload_module")) {
3498	$cb->();	4033	$cb->();
		4034	}
		4035
		4036	clear_package $k;
3499	}	4037	}
3500		4038
3501	Symbol::delete_package $k;
3502	}
3503
3504	warn "getting rid of safe::, as good as possible";	4039	trace "perl_reload: getting rid of safe::, as good as possible";
3505	Symbol::delete_package "safe::$_"	4040	clear_package "safe::$_"
3506	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4041	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3507		4042
3508	warn "unloading cf.pm \"a bit\"";	4043	trace "perl_reload: unloading cf.pm \"a bit\"";
3509	delete $INC{"cf.pm"};	4044	delete $INC{"cf.pm"};
3510	delete $INC{"cf/pod.pm"};	4045	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3511		4046
3512	# don't, removes xs symbols, too,	4047	# don't, removes xs symbols, too,
3513	# and global variables created in xs	4048	# and global variables created in xs
3514	#Symbol::delete_package __PACKAGE__;	4049	#clear_package __PACKAGE__;
3515		4050
3516	warn "unload completed, starting to reload now";	4051	info "perl_reload: unload completed, starting to reload now";
3517		4052
3518	warn "reloading cf.pm";	4053	trace "perl_reload: reloading cf.pm";
3519	require cf;	4054	require cf;
3520	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4055	cf::_connect_to_perl_1;
3521		4056
3522	warn "loading config and database again";	4057	trace "perl_reload: loading config and database again";
3523	cf::reload_config;	4058	cf::reload_config;
3524		4059
3525	warn "loading extensions";	4060	trace "perl_reload: loading extensions";
3526	cf::load_extensions;	4061	cf::load_extensions;
3527		4062
		4063	if ($REATTACH_ON_RELOAD) {
3528	warn "reattaching attachments to objects/players";	4064	trace "perl_reload: reattaching attachments to objects/players";
3529	_global_reattach; # objects, sockets	4065	_global_reattach; # objects, sockets
3530	warn "reattaching attachments to maps";	4066	trace "perl_reload: reattaching attachments to maps";
3531	reattach $_ for values %MAP;	4067	reattach $_ for values %MAP;
3532	warn "reattaching attachments to players";	4068	trace "perl_reload: reattaching attachments to players";
3533	reattach $_ for values %PLAYER;	4069	reattach $_ for values %PLAYER;
		4070	}
3534		4071
3535	warn "leaving sync_job";	4072	cf::_post_init 1;
3536		4073
		4074	trace "perl_reload: leaving sync_job";
		4075
3537	1	4076	1
3538	} or do {	4077	} or do {
3539	warn $@;	4078	error $@;
3540	warn "error while reloading, exiting.";	4079	cf::cleanup "perl_reload: error, exiting.";
3541	exit 1;	4080	};
		4081
		4082	--$RELOAD;
3542	};	4083	}
3543		4084
3544	warn "reloaded";	4085	$t1 = AE::time - $t1;
		4086	info "perl_reload: completed in ${t1}s\n";
3545	};	4087	};
3546		4088
3547	our $RELOAD_WATCHER; # used only during reload	4089	our $RELOAD_WATCHER; # used only during reload
3548		4090
3549	sub reload_perl() {	4091	sub reload_perl() {
3550	# doing reload synchronously and two reloads happen back-to-back,	4092	# doing reload synchronously and two reloads happen back-to-back,
3551	# coro crashes during coro_state_free->destroy here.	4093	# coro crashes during coro_state_free->destroy here.
3552		4094
		4095	$RELOAD_WATCHER ||= cf::async {
		4096	Coro::AIO::aio_wait cache_extensions;
		4097
3553	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4098	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4099	do_reload_perl;
3554	undef $RELOAD_WATCHER;	4100	undef $RELOAD_WATCHER;
3555	do_reload_perl;	4101	};
3556	};	4102	};
3557	}	4103	}
3558		4104
3559	register_command "reload" => sub {	4105	register_command "reload" => sub {
3560	my ($who, $arg) = @_;	4106	my ($who, $arg) = @_;
…		…
3566	reload_perl;	4112	reload_perl;
3567	};	4113	};
3568	}	4114	}
3569	};	4115	};
3570		4116
3571	unshift @INC, $LIBDIR;	4117	#############################################################################
3572		4118
3573	my $bug_warning = 0;	4119	my $bug_warning = 0;
3574		4120
3575	our @WAIT_FOR_TICK;
3576	our @WAIT_FOR_TICK_BEGIN;
3577
3578	sub wait_for_tick {	4121	sub wait_for_tick() {
3579	return unless $TICK_WATCHER->is_active;	4122	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3580	return if $Coro::current == $Coro::main;
3581		4123
3582	my $signal = new Coro::Signal;	4124	$WAIT_FOR_TICK->wait;
3583	push @WAIT_FOR_TICK, $signal;
3584	$signal->wait;
3585	}	4125	}
3586		4126
3587	sub wait_for_tick_begin {	4127	sub wait_for_tick_begin() {
3588	return unless $TICK_WATCHER->is_active;	4128	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3589	return if $Coro::current == $Coro::main;
3590		4129
3591	my $signal = new Coro::Signal;	4130	my $signal = new Coro::Signal;
3592	push @WAIT_FOR_TICK_BEGIN, $signal;	4131	push @WAIT_FOR_TICK_BEGIN, $signal;
3593	$signal->wait;	4132	$signal->wait;
3594	}	4133	}
3595		4134
3596	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {	4135	sub tick {
3597	if ($Coro::current != $Coro::main) {	4136	if ($Coro::current != $Coro::main) {
3598	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4137	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3599	unless ++$bug_warning > 10;	4138	unless ++$bug_warning > 10;
3600	return;	4139	return;
3601	}	4140	}
3602		4141
3603	$NOW = $tick_start = EV::now;	4142	cf::one_tick; # one server iteration
3604		4143
3605	cf::server_tick; # one server iteration	4144	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3606
3607	$RUNTIME += $TICK;
3608	$NEXT_TICK += $TICK;
3609		4145
3610	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3611	$NEXT_RUNTIME_WRITE = $NOW + 10;	4147	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3612	Coro::async_pool {	4148	Coro::async_pool {
3613	$Coro::current->{desc} = "runtime saver";	4149	$Coro::current->{desc} = "runtime saver";
3614	write_runtime	4150	write_runtime_sync
3615	or warn "ERROR: unable to write runtime file: $!";	4151	or error "ERROR: unable to write runtime file: $!";
3616	};	4152	};
3617	}	4153	}
3618		4154
3619	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4155	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3620	$sig->send;	4156	$sig->send;
3621	}	4157	}
3622	while (my $sig = shift @WAIT_FOR_TICK) {	4158	$WAIT_FOR_TICK->broadcast;
3623	$sig->send;
3624	}
3625		4159
3626	$LOAD = ($NOW - $tick_start) / $TICK;	4160	$LOAD = ($NOW - $TICK_START) / $TICK;
3627	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4161	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3628		4162
3629	_post_tick;	4163	if (0) {
3630	};	4164	if ($NEXT_TICK) {
3631	$TICK_WATCHER->priority (EV::MAXPRI);	4165	my $jitter = $TICK_START - $NEXT_TICK;
		4166	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4167	debug "jitter $JITTER\n";#d#
		4168	}
		4169	}
		4170	}
3632		4171
3633	{	4172	{
		4173	# configure BDB
		4174
3634	BDB::min_parallel 8;	4175	BDB::min_parallel 16;
3635	BDB::max_poll_time $TICK * 0.1;	4176	BDB::max_poll_reqs $TICK * 0.1;
3636	$BDB_POLL_WATCHER = EV::io BDB::poll_fileno, EV::READ, \&BDB::poll_cb;	4177	#$AnyEvent::BDB::WATCHER->priority (1);
3637
3638	BDB::set_sync_prepare {
3639	my $status;
3640	my $current = $Coro::current;
3641	(
3642	sub {
3643	$status = $!;
3644	$current->ready; undef $current;
3645	},
3646	sub {
3647	Coro::schedule while defined $current;
3648	$! = $status;
3649	},
3650	)
3651	};
3652		4178
3653	unless ($DB_ENV) {	4179	unless ($DB_ENV) {
3654	$DB_ENV = BDB::db_env_create;	4180	$DB_ENV = BDB::db_env_create;
3655	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4181	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3656	| BDB::LOG_AUTOREMOVE, 1);	4182	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4183	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3657	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4184	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3658	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4185	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3659		4186
3660	cf::sync_job {	4187	cf::sync_job {
3661	eval {	4188	eval {
…		…
3683	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4210	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3684	};	4211	};
3685	}	4212	}
3686		4213
3687	{	4214	{
		4215	# configure IO::AIO
		4216
3688	IO::AIO::min_parallel 8;	4217	IO::AIO::min_parallel 8;
3689
3690	undef $Coro::AIO::WATCHER;
3691	IO::AIO::max_poll_time $TICK * 0.1;	4218	IO::AIO::max_poll_time $TICK * 0.1;
3692	$AIO_POLL_WATCHER = EV::io IO::AIO::poll_fileno, EV::READ, \&IO::AIO::poll_cb;	4219	undef $AnyEvent::AIO::WATCHER;
3693	}	4220	}
3694		4221
3695	my $_log_backtrace;	4222	our $_log_backtrace;
		4223	our $_log_backtrace_last;
3696		4224
3697	sub _log_backtrace {	4225	sub _log_backtrace {
3698	my ($msg, @addr) = @_;	4226	my ($msg, @addr) = @_;
3699		4227
3700	$msg =~ s/\n//;	4228	$msg =~ s/\n$//;
3701		4229
		4230	if ($_log_backtrace_last eq $msg) {
		4231	LOG llevInfo, "[ABT] $msg\n";
		4232	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3702	# limit the # of concurrent backtraces	4233	# limit the # of concurrent backtraces
3703	if ($_log_backtrace < 2) {	4234	} elsif ($_log_backtrace < 2) {
		4235	$_log_backtrace_last = $msg;
3704	++$_log_backtrace;	4236	++$_log_backtrace;
		4237	my $perl_bt = Carp::longmess $msg;
3705	async {	4238	async {
3706	$Coro::current->{desc} = "abt $msg";	4239	$Coro::current->{desc} = "abt $msg";
3707		4240
3708	my @bt = fork_call {	4241	my @bt = fork_call {
3709	@addr = map { sprintf "%x", $_ } @addr;	4242	@addr = map { sprintf "%x", $_ } @addr;
…		…
3720	}	4253	}
3721		4254
3722	@funcs	4255	@funcs
3723	};	4256	};
3724		4257
3725	LOG llevInfo, "[ABT] $msg\n";	4258	LOG llevInfo, "[ABT] $perl_bt\n";
		4259	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3726	LOG llevInfo, "[ABT] $_\n" for @bt;	4260	LOG llevInfo, "[ABT] $_\n" for @bt;
3727	--$_log_backtrace;	4261	--$_log_backtrace;
3728	};	4262	};
3729	} else {	4263	} else {
3730	LOG llevInfo, "[ABT] $msg\n";	4264	LOG llevInfo, "[ABT] $msg\n";
3731	LOG llevInfo, "[ABT] [suppressed]\n";	4265	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3732	}	4266	}
3733	}	4267	}
3734		4268
3735	# load additional modules	4269	# load additional modules
3736	use cf::pod;	4270	require "cf/$_.pm" for @EXTRA_MODULES;
		4271	cf::_connect_to_perl_2;
3737		4272
3738	END { cf::emergency_save }	4273	END { cf::emergency_save }
3739		4274
3740	1	4275	1
3741		4276

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