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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.332 by root, Sat Aug 18 17:33:53 2007 UTC vs.
Revision 1.579 by root, Wed Jan 4 03:22:28 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 Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.64 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	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 1.4 ();	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 2.32 ();	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	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
44		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		78
50	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;
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
54		85
55	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
65	our $DATADIR = datadir;	99	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
69	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
74	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;
75		120
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	123	our $NEXT_TICK;
		124	our $USE_FSYNC = 1; # use fsync to write maps - default on
		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
		128	our $BDB_TRICKLE_WATCHER;
		129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
		133	our %CFG;
		134
		135	our $UPTIME; $UPTIME ||= time;
		136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
81	our $NOW;	138	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		139
84	our $BDB_POLL_WATCHER;	140	our (%PLAYER, %PLAYER_LOADING); # all users
85	our $DB_ENV;	141	our (%MAP, %MAP_LOADING ); # all maps
86
87	our %CFG;
88
89	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;
91
92	our %PLAYER; # all users
93	our %MAP; # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
95		143
96	# 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 ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		146
99	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)
100	our $LOADAVG; # same thing, but with alpha-smoothing	148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
101	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 $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
102		159
103	binmode STDOUT;	160	binmode STDOUT;
104	binmode STDERR;	161	binmode STDERR;
105		162
106	# read virtual server time, if available	163	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
111	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
112		171
113	mkdir $_	172	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		174
116	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
117		176
118	sub cf::map::normalise;	177	sub cf::map::normalise;
119		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
120	#############################################################################	183	#############################################################################
121		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
122	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
123		197
124	=over 4	198	=over 4
125		199
126	=item $cf::UPTIME	200	=item $cf::UPTIME
127		201
128	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.
129		218
130	=item $cf::RUNTIME	219	=item $cf::RUNTIME
131		220
132	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
133	every server tick.	222	every server tick.
…		…
139	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
141	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
142	database environment.	231	database environment.
143		232
144	=item $cf::NOW
145
146	The time of the last (current) server tick.
147
148	=item $cf::TICK
149
150	The interval between server ticks, in seconds.
151
152	=item $cf::LOADAVG	233	=item $cf::LOADAVG
153		234
154	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
155	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
156	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
159		240
160	The raw value load value from the last tick.	241	The raw value load value from the last tick.
161		242
162	=item %cf::CFG	243	=item %cf::CFG
163		244
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	246	from wherever your confdir points to.
166		247
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		249
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
170	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
172		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$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
173	=item @cf::INVOKE_RESULTS	271	=item @cf::INVOKE_RESULTS
174		272
175	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
176	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
177	that call.	275	that call.
178		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
179	=back	283	=back
180		284
181	=cut	285	=cut
182		286
183	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
184	*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 {
185	my $msg = join "", @_;	294	my $msg = join "", @_;
186		295
187	$msg .= "\n"	296	$msg .= "\n"
188	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
189		298
190	$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;
191		300
192	utf8::encode $msg;
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	$Event::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 = 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
251	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
252		392
253	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
254		394
255	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
256		396
257	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
258		398
259	=cut	399	=cut
260		400
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		402
263	sub to_json ($) { $json_coder->encode ($_[0]) }	403	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	404	sub decode_json($) { $json_coder->decode ($_[0]) }
		405
		406	=item $ref = cf::decode_storable $scalar
		407
		408	Same as Coro::Storable::thaw, so blocks.
		409
		410	=cut
		411
		412	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		413
		414	=item $ref = cf::decode_yaml $scalar
		415
		416	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		417
		418	=cut
		419
		420	sub decode_yaml($) {
		421	fork_call { YAML::XS::Load $_[0] } @_
		422	}
		423
		424	=item $scalar = cf::unlzf $scalar
		425
		426	Same as Compress::LZF::compress, but takes server ticks into account, so
		427	blocks.
		428
		429	=cut
		430
		431	sub unlzf($) {
		432	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		433	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		434	Compress::LZF::decompress $_[0]
		435	}
		436
		437	=item cf::post_init { BLOCK }
		438
		439	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		440	but I<before> the server starts ticking again.
		441
		442	The codeblock will have a single boolean argument to indicate whether this
		443	is a reload or not.
		444
		445	=cut
		446
		447	sub post_init(&) {
		448	push @POST_INIT, shift;
		449	}
		450
		451	sub _post_init {
		452	trace "running post_init jobs";
		453
		454	# run them in parallel...
		455
		456	my @join;
		457
		458	while () {
		459	push @join, map &Coro::async ($_, 0), @POST_INIT;
		460	@POST_INIT = ();
		461
		462	@join or last;
		463
		464	(pop @join)->join;
		465	}
		466	}
265		467
266	=item cf::lock_wait $string	468	=item cf::lock_wait $string
267		469
268	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
269		471
270	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
271		473
272	Wait until the given lock is available and then acquires it and returns	474	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,	475	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	476	for example when the coroutine gets canceled), the lock is automatically
275	returned.	477	returned.
276		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
277	Lock names should begin with a unique identifier (for example, cf::map::find	482	Lock names should begin with a unique identifier (for example, cf::map::find
278	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
279		484
280	=item $locked = cf::lock_active $string	485	=item $locked = cf::lock_active $string
281		486
282	Return true if the lock is currently active, i.e. somebody has locked it.	487	Return true if the lock is currently active, i.e. somebody has locked it.
283		488
284	=cut	489	=cut
285		490
286	our %LOCK;	491	our $LOCKS = new Coro::SemaphoreSet;
287		492
288	sub lock_wait($) {	493	sub lock_wait($) {
289	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
290
291	# wait for lock, if any
292	while ($LOCK{$key}) {
293	push @{ $LOCK{$key} }, $Coro::current;
294	Coro::schedule;
295	}
296	}	495	}
297		496
298	sub lock_acquire($) {	497	sub lock_acquire($) {
299	my ($key) = @_;	498	$LOCKS->guard ($_[0])
300
301	# wait, to be sure we are not locked
302	lock_wait $key;
303
304	$LOCK{$key} = [];
305
306	Coro::guard {
307	# wake up all waiters, to be on the safe side
308	$_->ready for @{ delete $LOCK{$key} };
309	}
310	}	499	}
311		500
312	sub lock_active($) {	501	sub lock_active($) {
313	my ($key) = @_;	502	$LOCKS->count ($_[0]) < 1
314
315	! ! $LOCK{$key}
316	}	503	}
317		504
318	sub freeze_mainloop {	505	sub freeze_mainloop {
319	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
320		507
321	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
322	$TICK_WATCHER->start;	509	}
323	};	510
324	$TICK_WATCHER->stop;	511	=item cf::periodic $interval, $cb
325	$guard	512
		513	Like EV::periodic, but randomly selects a starting point so that the actions
		514	get spread over time.
		515
		516	=cut
		517
		518	sub periodic($$) {
		519	my ($interval, $cb) = @_;
		520
		521	my $start = rand List::Util::min 180, $interval;
		522
		523	EV::periodic $start, $interval, 0, $cb
326	}	524	}
327		525
328	=item cf::get_slot $time[, $priority[, $name]]	526	=item cf::get_slot $time[, $priority[, $name]]
329		527
330	Allocate $time seconds of blocking CPU time at priority C<$priority>:	528	Allocate $time seconds of blocking CPU time at priority C<$priority>
331	This call blocks and returns only when you have at least C<$time> seconds	529	(default: 0): This call blocks and returns only when you have at least
332	of cpu time till the next tick. The slot is only valid till the next cede.	530	C<$time> seconds of cpu time till the next tick. The slot is only valid
		531	till the next cede.
		532
		533	Background jobs should use a priority les than zero, interactive jobs
		534	should use 100 or more.
333		535
334	The optional C<$name> can be used to identify the job to run. It might be	536	The optional C<$name> can be used to identify the job to run. It might be
335	used for statistical purposes and should identify the same time-class.	537	used for statistical purposes and should identify the same time-class.
336		538
337	Useful for short background jobs.	539	Useful for short background jobs.
338		540
339	=cut	541	=cut
340		542
341	our @SLOT_QUEUE;	543	our @SLOT_QUEUE;
342	our $SLOT_QUEUE;	544	our $SLOT_QUEUE;
		545	our $SLOT_DECAY = 0.9;
343		546
344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	547	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345	$SLOT_QUEUE = Coro::async {	548	$SLOT_QUEUE = Coro::async {
		549	$Coro::current->desc ("timeslot manager");
		550
346	my $signal = new Coro::Signal;	551	my $signal = new Coro::Signal;
		552	my $busy;
347		553
348	while () {	554	while () {
349	next_job:	555	next_job:
		556
350	my $avail = cf::till_tick;	557	my $avail = cf::till_tick;
351	if ($avail > 0.01) {	558
352	for (0 .. $#SLOT_QUEUE) {	559	for (0 .. $#SLOT_QUEUE) {
353	if ($SLOT_QUEUE[$_][0] < $avail) {	560	if ($SLOT_QUEUE[$_][0] <= $avail) {
		561	$busy = 0;
354	my $job = splice @SLOT_QUEUE, $_, 1, ();	562	my $job = splice @SLOT_QUEUE, $_, 1, ();
355	$job->[2]->send;	563	$job->[2]->send;
356	Coro::cede;	564	Coro::cede;
357	goto next_job;	565	goto next_job;
358	}	566	} else {
		567	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
359	}	568	}
360	}	569	}
361		570
362	if (@SLOT_QUEUE) {	571	if (@SLOT_QUEUE) {
363	# we do not use wait_For_tick() as it returns immediately when tick is inactive	572	# we do not use wait_for_tick() as it returns immediately when tick is inactive
364	push @cf::WAIT_FOR_TICK, $signal;	573	$WAIT_FOR_TICK->wait;
365	$signal->wait;
366	} else {	574	} else {
		575	$busy = 0;
367	Coro::schedule;	576	Coro::schedule;
368	}	577	}
369	}	578	}
370	};	579	};
371		580
372	sub get_slot($;$$) {	581	sub get_slot($;$$) {
		582	return if tick_inhibit || $Coro::current == $Coro::main;
		583
373	my ($time, $pri, $name) = @_;	584	my ($time, $pri, $name) = @_;
374		585
375	$time = $TICK * .6 if $time > $TICK * .6;	586	$time = clamp $time, 0.01, $TICK * .6;
		587
376	my $sig = new Coro::Signal;	588	my $sig = new Coro::Signal;
377		589
378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	590	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	591	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
380	$SLOT_QUEUE->ready;	592	$SLOT_QUEUE->ready;
…		…
391		603
392	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
393		605
394	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
395		607
396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	608	The design of Deliantra requires that the main coroutine ($Coro::main)
397	is always able to handle events or runnable, as Crossfire TRT is only	609	is always able to handle events or runnable, as Deliantra is only
398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	610	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
399	acceptable.	611	acceptable.
400		612
401	If it must be done, put the blocking parts into C<sync_job>. This will run	613	If it must be done, put the blocking parts into C<sync_job>. This will run
402	the given BLOCK in another coroutine while waiting for the result. The	614	the given BLOCK in another coroutine while waiting for the result. The
…		…
406	=cut	618	=cut
407		619
408	sub sync_job(&) {	620	sub sync_job(&) {
409	my ($job) = @_;	621	my ($job) = @_;
410		622
411	if ($Coro::current == $Coro::main) {	623	if (in_main) {
412	my $time = Event::time;	624	my $time = AE::time;
413		625
414	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
415	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
416		628
417	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
418	# (but this is cancel-safe)	630
419	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
420		632
421	my $busy = 1;	633	my $busy = 1;
422	my @res;	634	my @res;
423		635
424	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
425	@res = eval { $job->() };	638	@res = eval { $job->() };
426	warn $@ if $@;	639	error $@ if $@;
427	undef $busy;	640	undef $busy;
428	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
429		642
430	while ($busy) {	643	while ($busy) {
431	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
432	}	648	}
		649	}
433		650
434	$time = Event::time - $time;	651	my $time = AE::time - $time;
435		652
436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
438
439	$tick_start += $time; # do not account sync jobs to server load	653	$TICK_START += $time; # do not account sync jobs to server load
440		654
441	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
442	} else {	656	} else {
443	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
444		658
…		…
464	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
465		679
466	$coro	680	$coro
467	}	681	}
468		682
469	=item fork_call { }, $args	683	=item fork_call { }, @args
470		684
471	Executes the given code block with the given arguments in a seperate	685	Executes the given code block with the given arguments in a seperate
472	process, returning the results. Everything must be serialisable with	686	process, returning the results. Everything must be serialisable with
473	Coro::Storable. May, of course, block. Note that the executed sub may	687	Coro::Storable. May, of course, block. Note that the executed sub may
474	never block itself or use any form of Event handling.	688	never block itself or use any form of event handling.
475		689
476	=cut	690	=cut
		691
		692	sub post_fork {
		693	reset_signals;
		694	}
477		695
478	sub fork_call(&@) {	696	sub fork_call(&@) {
479	my ($cb, @args) = @_;	697	my ($cb, @args) = @_;
480		698
481	# we seemingly have to make a local copy of the whole thing,	699	# we seemingly have to make a local copy of the whole thing,
482	# otherwise perl prematurely frees the stuff :/	700	# otherwise perl prematurely frees the stuff :/
483	# TODO: investigate and fix (liekly this will be rather laborious)	701	# TODO: investigate and fix (likely this will be rather laborious)
484		702
485	my @res = Coro::Util::fork_eval {	703	my @res = Coro::Util::fork_eval {
486	reset_signals;	704	cf::post_fork;
487	&$cb	705	&$cb
488	}, @args;	706	} @args;
489		707
490	wantarray ? @res : $res[-1]	708	wantarray ? @res : $res[-1]
		709	}
		710
		711	sub objinfo {
		712	(
		713	"counter value" => cf::object::object_count,
		714	"objects created" => cf::object::create_count,
		715	"objects destroyed" => cf::object::destroy_count,
		716	"freelist size" => cf::object::free_count,
		717	"allocated objects" => cf::object::objects_size,
		718	"active objects" => cf::object::actives_size,
		719	)
		720	}
		721
		722	=item $coin = coin_from_name $name
		723
		724	=cut
		725
		726	our %coin_alias = (
		727	"silver" => "silvercoin",
		728	"silvercoin" => "silvercoin",
		729	"silvercoins" => "silvercoin",
		730	"gold" => "goldcoin",
		731	"goldcoin" => "goldcoin",
		732	"goldcoins" => "goldcoin",
		733	"platinum" => "platinacoin",
		734	"platinumcoin" => "platinacoin",
		735	"platinumcoins" => "platinacoin",
		736	"platina" => "platinacoin",
		737	"platinacoin" => "platinacoin",
		738	"platinacoins" => "platinacoin",
		739	"royalty" => "royalty",
		740	"royalties" => "royalty",
		741	);
		742
		743	sub coin_from_name($) {
		744	$coin_alias{$_[0]}
		745	? cf::arch::find $coin_alias{$_[0]}
		746	: undef
491	}	747	}
492		748
493	=item $value = cf::db_get $family => $key	749	=item $value = cf::db_get $family => $key
494		750
495	Returns a single value from the environment database.	751	Returns a single value from the environment database.
…		…
497	=item cf::db_put $family => $key => $value	753	=item cf::db_put $family => $key => $value
498		754
499	Stores the given C<$value> in the family. It can currently store binary	755	Stores the given C<$value> in the family. It can currently store binary
500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	756	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
501		757
		758	=item $db = cf::db_table "name"
		759
		760	Create and/or open a new database table. The string must not be "db" and must be unique
		761	within each server.
		762
502	=cut	763	=cut
		764
		765	sub db_table($) {
		766	cf::error "db_get called from main context"
		767	if $Coro::current == $Coro::main;
		768
		769	my ($name) = @_;
		770	my $db = BDB::db_create $DB_ENV;
		771
		772	eval {
		773	$db->set_flags (BDB::CHKSUM);
		774
		775	utf8::encode $name;
		776	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		777	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		778	cf::cleanup "db_open(db): $!" if $!;
		779	};
		780	cf::cleanup "db_open(db): $@" if $@;
		781
		782	$db
		783	}
503		784
504	our $DB;	785	our $DB;
505		786
506	sub db_init {	787	sub db_init {
507	unless ($DB) {	788	$DB ||= db_table "db";
508	$DB = BDB::db_create $DB_ENV;
509
510	cf::sync_job {
511	eval {
512	$DB->set_flags (BDB::CHKSUM);
513
514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
516	cf::cleanup "db_open(db): $!" if $!;
517	};
518	cf::cleanup "db_open(db): $@" if $@;
519	};
520	}
521	}	789	}
522		790
523	sub db_get($$) {	791	sub db_get($$) {
524	my $key = "$_[0]/$_[1]";	792	my $key = "$_[0]/$_[1]";
525		793
526	cf::sync_job {	794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
527	BDB::db_get $DB, undef, $key, my $data;	797	BDB::db_get $DB, undef, $key, my $data;
528		798
529	$! ? ()	799	$! ? ()
530	: $data	800	: $data
531	}
532	}	801	}
533		802
534	sub db_put($$$) {	803	sub db_put($$$) {
535	BDB::dbreq_pri 4;	804	BDB::dbreq_pri 4;
536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
564		833
565	my @data;	834	my @data;
566	my $md5;	835	my $md5;
567		836
568	for (0 .. $#$src) {	837	for (0 .. $#$src) {
569	0 <= aio_load $src->[$_], $data[$_]	838	$data[$_] = load_file $src->[$_];
570	or Carp::croak "$src->[$_]: $!";
571	}	839	}
572		840
573	# if processing is expensive, check	841	# if processing is expensive, check
574	# checksum first	842	# checksum first
575	if (1) {	843	if (1) {
576	$md5 =	844	$md5 =
577	join "\x00",	845	join "\x00",
578	$processversion,	846	$processversion,
579	map {	847	map {
580	Coro::cede;	848	cf::cede_to_tick;
581	($src->[$_], Digest::MD5::md5_hex $data[$_])	849	($src->[$_], Digest::MD5::md5_hex $data[$_])
582	} 0.. $#$src;	850	} 0.. $#$src;
583		851
584		852
585	my $dbmd5 = db_get cache => "$id/md5";	853	my $dbmd5 = db_get cache => "$id/md5";
…		…
592		860
593	my $t1 = Time::HiRes::time;	861	my $t1 = Time::HiRes::time;
594	my $data = $process->(\@data);	862	my $data = $process->(\@data);
595	my $t2 = Time::HiRes::time;	863	my $t2 = Time::HiRes::time;
596		864
597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
598		866
599	db_put cache => "$id/data", $data;	867	db_put cache => "$id/data", $data;
600	db_put cache => "$id/md5" , $md5;	868	db_put cache => "$id/md5" , $md5;
601	db_put cache => "$id/meta", $meta;	869	db_put cache => "$id/meta", $meta;
602		870
…		…
612		880
613	=cut	881	=cut
614		882
615	sub datalog($@) {	883	sub datalog($@) {
616	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
618	}	886	}
619		887
620	=back	888	=back
621		889
622	=cut	890	=cut
623		891
624	#############################################################################	892	#############################################################################
625		893
626	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
627		895
628	Many objects in crossfire are so-called attachable objects. That means you can	896	Many objects in deliantra are so-called attachable objects. That means you can
629	attach callbacks/event handlers (a collection of which is called an "attachment")	897	attach callbacks/event handlers (a collection of which is called an "attachment")
630	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
631		899
632	In the following description, CLASS can be any of C<global>, C<object>	900	In the following description, CLASS can be any of C<global>, C<object>
633	C<player>, C<client> or C<map> (i.e. the attachable objects in	901	C<player>, C<client> or C<map> (i.e. the attachable objects in
634	Crossfire TRT).	902	Deliantra).
635		903
636	=over 4	904	=over 4
637		905
638	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
639		907
…		…
683	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
684		952
685	Register an attachment by C<$name> through which attachable objects of the	953	Register an attachment by C<$name> through which attachable objects of the
686	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
687		955
688	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
689	that are attached at load/instantiate time, thus the need for a name.	957	that are attached at load/instantiate time, thus the need for a name.
690		958
691	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
692		960
693	=over 4	961	=over 4
…		…
817		1085
818	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
819	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
820		1088
821	} elsif (ref $type) {	1089	} elsif (ref $type) {
822	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
823		1091
824	} else {	1092	} else {
825	shift @arg;	1093	shift @arg;
826	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
827	}	1095	}
828	}	1096	}
829	}	1097	}
830		1098
831	sub _object_attach {	1099	sub _object_attach {
…		…
841	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
842	}	1110	}
843		1111
844	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
845	} else {	1113	} else {
846	warn "object uses attachment '$name' which is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
847	}	1115	}
848		1116
849	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
850	}	1118	}
851		1119
…		…
910		1178
911	for (@$callbacks) {	1179	for (@$callbacks) {
912	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
913		1181
914	if ($@) {	1182	if ($@) {
915	warn "$@";
916	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
917	override;	1184	override;
918	}	1185	}
919		1186
920	return 1 if $override;	1187	return 1 if $override;
921	}	1188	}
922		1189
923	0	1190	0
924	}	1191	}
925		1192
926	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
927		1194
928	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
929		1196
930	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
931		1198
…		…
937		1204
938	=cut	1205	=cut
939		1206
940	#############################################################################	1207	#############################################################################
941	# object support	1208	# object support
942	#
943		1209
		1210	sub _object_equal($$);
		1211	sub _object_equal($$) {
		1212	my ($a, $b) = @_;
		1213
		1214	return 0 unless (ref $a) eq (ref $b);
		1215
		1216	if ("HASH" eq ref $a) {
		1217	my @ka = keys %$a;
		1218	my @kb = keys %$b;
		1219
		1220	return 0 if @ka != @kb;
		1221
		1222	for (0 .. $#ka) {
		1223	return 0 unless $ka[$_] eq $kb[$_];
		1224	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1225	}
		1226
		1227	} elsif ("ARRAY" eq ref $a) {
		1228
		1229	return 0 if @$a != @$b;
		1230
		1231	for (0 .. $#$a) {
		1232	return 0 unless _object_equal $a->[$_], $b->[$_];
		1233	}
		1234
		1235	} elsif ($a ne $b) {
		1236	return 0;
		1237	}
		1238
		1239	1
		1240	}
		1241
		1242	our $SLOW_MERGES;#d#
944	sub _can_merge {	1243	sub _can_merge {
945	my ($ob1, $ob2) = @_;	1244	my ($ob1, $ob2) = @_;
946		1245
947	local $Storable::canonical = 1;	1246	++$SLOW_MERGES;#d#
948	my $fob1 = Storable::freeze $ob1;
949	my $fob2 = Storable::freeze $ob2;
950		1247
951	$fob1 eq $fob2	1248	# we do the slow way here
		1249	return _object_equal $ob1, $ob2
952	}	1250	}
953		1251
954	sub reattach {	1252	sub reattach {
955	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
956	my ($obj) = @_;	1254	my ($obj) = @_;
957		1255
		1256	# no longer needed after getting rid of delete_package?
958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1257	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
959		1258
960	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
961		1260
962	@$registry = ();	1261	@$registry = ();
963		1262
…		…
968	for (@$attach) {	1267	for (@$attach) {
969	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
970	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
971	}	1270	}
972	} else {	1271	} else {
973	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
974	}	1273	}
975	}	1274	}
976	}	1275	}
977		1276
978	cf::attachable->attach (	1277	cf::attachable->attach (
979	prio => -1000000,	1278	prio => -1000000,
980	on_instantiate => sub {	1279	on_instantiate => sub {
981	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
982		1281
983	$data = from_json $data;	1282	$data = decode_json $data;
984		1283
985	for (@$data) {	1284	for (@$data) {
986	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
987		1286
988	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
1004	sub object_freezer_save {	1303	sub object_freezer_save {
1005	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
1006		1305
1007	sync_job {	1306	sync_job {
1008	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
1009	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
1010	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
1011		1312
1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1013	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015	aio_fsync $fh if $cf::USE_FSYNC;	1316	if ($cf::USE_FSYNC) {
		1317	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;
		1318	aio_fsync $fh;
		1319	}
1016	close $fh;	1320	aio_close $fh;
1017		1321
1018	if (@$objs) {	1322	if (@$objs) {
1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1323	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1020	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
1021	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
1023	aio_fsync $fh if $cf::USE_FSYNC;	1327	if ($cf::USE_FSYNC) {
		1328	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;
		1329	aio_fsync $fh;
		1330	}
1024	close $fh;	1331	aio_close $fh;
1025	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
1026	}	1333	}
1027	} else {	1334	} else {
1028	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
1029	}	1336	}
1030		1337
1031	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
1032	} else {	1342	} else {
1033	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
1034	}	1344	}
1035	} else {	1345	} else {
1036	aio_unlink $filename;	1346	aio_unlink $filename;
1037	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
1038	}	1348	}
1039	}	1349	};
1040	}	1350	}
1041		1351
1042	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
1043	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
1044		1354
…		…
1056	or return;	1366	or return;
1057		1367
1058	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
1059	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
1060	or return;	1370	or return;
		1371
1061	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
1062	}	1374	}
1063		1375
		1376	utf8::decode (my $decname = $filename);
1064	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
1065	$filename, length $data, scalar @{$av || []};	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
1066	return ($data, $av);	1381	($data, $av)
1067	}	1382	}
1068		1383
1069	=head2 COMMAND CALLBACKS	1384	=head2 COMMAND CALLBACKS
1070		1385
1071	=over 4	1386	=over 4
…		…
1125	my ($name, $cb) = @_;	1440	my ($name, $cb) = @_;
1126		1441
1127	$EXTICMD{$name} = $cb;	1442	$EXTICMD{$name} = $cb;
1128	}	1443	}
1129		1444
		1445	use File::Glob ();
		1446
1130	cf::player->attach (	1447	cf::player->attach (
1131	on_command => sub {	1448	on_unknown_command => sub {
1132	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
1133		1450
1134	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
1135	or return;	1452	or return;
1136		1453
…		…
1144	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
1145		1462
1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1147		1464
1148	if (ref $msg) {	1465	if (ref $msg) {
1149	my ($type, $reply, @payload) =	1466	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1150	"ARRAY" eq ref $msg	1467
1151	? @$msg	1468	my @reply;
1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1153		1469
1154	if (my $cb = $EXTCMD{$type}) {	1470	if (my $cb = $EXTCMD{$type}) {
1155	my @reply = $cb->($pl, @payload);	1471	@reply = $cb->($pl, @payload);
1156
1157	$pl->ext_reply ($reply, @reply)
1158	if $reply;
1159	}	1472	}
		1473
		1474	$pl->ext_reply ($reply, @reply)
		1475	if $reply;
		1476
1160	} else {	1477	} else {
1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1478	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1162	}	1479	}
1163		1480
1164	cf::override;	1481	cf::override;
1165	},	1482	},
1166	);	1483	);
1167		1484
		1485	# "readahead" all extensions
		1486	sub cache_extensions {
		1487	my $grp = IO::AIO::aio_group;
		1488
		1489	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1490	for (grep /\.ext$/, @{$_[0]}) {
		1491	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1492	}
		1493	};
		1494
		1495	$grp
		1496	}
		1497
1168	sub load_extensions {	1498	sub load_extensions {
		1499	info "loading extensions...";
		1500
1169	cf::sync_job {	1501	cf::sync_job {
1170	my %todo;	1502	my %todo;
1171		1503
1172	for my $path (<$LIBDIR/*.ext>) {	1504	for my $path (<$LIBDIR/*.ext>) {
1173	next unless -r $path;	1505	next unless -r $path;
…		…
1191		1523
1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1524	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1525	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1194		1526
1195	$ext{source} =	1527	$ext{source} =
1196	"package $pkg; use strict; use utf8;\n"	1528	"package $pkg; use common::sense;\n"
1197	. "#line 1 \"$path\"\n{\n"	1529	. "#line 1 \"$path\"\n{\n"
1198	. $source	1530	. $source
1199	. "\n};\n1";	1531	. "\n};\n1";
1200		1532
1201	$todo{$base} = \%ext;	1533	$todo{$base} = \%ext;
1202	}	1534	}
1203		1535
		1536	my $pass = 0;
1204	my %done;	1537	my %done;
1205	while (%todo) {	1538	while (%todo) {
1206	my $progress;	1539	my $progress;
1207		1540
		1541	++$pass;
		1542
		1543	ext:
1208	while (my ($k, $v) = each %todo) {	1544	while (my ($k, $v) = each %todo) {
1209	for (split /,\s*/, $v->{meta}{depends}) {	1545	for (split /,\s*/, $v->{meta}{depends}) {
1210	goto skip	1546	next ext
1211	unless exists $done{$_};	1547	unless exists $done{$_};
1212	}	1548	}
1213		1549
1214	warn "... loading '$k' into '$v->{pkg}'\n";	1550	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1215		1551
1216	unless (eval $v->{source}) {	1552	my $active = eval $v->{source};
		1553
		1554	if (length $@) {
1217	my $msg = $@ ? "$v->{path}: $@\n"	1555	error "$v->{path}: $@\n";
1218	: "$v->{base}: extension inactive.\n";
1219		1556
		1557	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1220	if (exists $v->{meta}{mandatory}) {	1558	if exists $v->{meta}{mandatory};
1221	warn $msg;	1559
1222	warn "mandatory extension failed to load, exiting.\n";	1560	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1223	exit 1;	1561	delete $todo{$k};
1224	}	1562	} else {
1225		1563	$done{$k} = delete $todo{$k};
1226	warn $msg;	1564	push @EXTS, $v->{pkg};
		1565	$progress = 1;
		1566
		1567	info "$v->{base}: extension inactive.\n"
		1568	unless $active;
1227	}	1569	}
1228
1229	$done{$k} = delete $todo{$k};
1230	push @EXTS, $v->{pkg};
1231	$progress = 1;
1232	}	1570	}
1233		1571
1234	skip:	1572	unless ($progress) {
1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1573	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1236	unless $progress;	1574
		1575	while (my ($k, $v) = each %todo) {
		1576	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1577	if exists $v->{meta}{mandatory};
		1578	}
		1579
		1580	last;
		1581	}
1237	}	1582	}
1238	};	1583	};
1239	}	1584	}
1240		1585
1241	#############################################################################	1586	#############################################################################
1242		1587
1243	=back	1588	=back
1244		1589
1245	=head2 CORE EXTENSIONS	1590	=head2 CORE EXTENSIONS
1246		1591
1247	Functions and methods that extend core crossfire objects.	1592	Functions and methods that extend core deliantra objects.
1248		1593
1249	=cut	1594	=cut
1250		1595
1251	package cf::player;	1596	package cf::player;
1252		1597
1253	use Coro::AIO;	1598	use Coro::AIO;
1254		1599
1255	=head3 cf::player	1600	=head3 cf::player
1256		1601
1257	=over 4	1602	=over 4
		1603
		1604	=item cf::player::num_playing
		1605
		1606	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1607
		1608	=cut
		1609
		1610	sub num_playing {
		1611	scalar grep
		1612	$_->ob->map
		1613	&& !$_->hidden
		1614	&& !$_->ob->flag (cf::FLAG_WIZ),
		1615	cf::player::list
		1616	}
1258		1617
1259	=item cf::player::find $login	1618	=item cf::player::find $login
1260		1619
1261	Returns the given player object, loading it if necessary (might block).	1620	Returns the given player object, loading it if necessary (might block).
1262		1621
…		…
1281		1640
1282	sub exists($) {	1641	sub exists($) {
1283	my ($login) = @_;	1642	my ($login) = @_;
1284		1643
1285	$cf::PLAYER{$login}	1644	$cf::PLAYER{$login}
1286	or cf::sync_job { !aio_stat path $login }	1645	or !aio_stat path $login
1287	}	1646	}
1288		1647
1289	sub find($) {	1648	sub find($) {
1290	return $cf::PLAYER{$_[0]} || do {	1649	return $cf::PLAYER{$_[0]} || do {
1291	my $login = $_[0];	1650	my $login = $_[0];
…		…
1298	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1657	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1299	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1658	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1300	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1659	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1301	aio_unlink +(playerdir $login) . "/$login.pl";	1660	aio_unlink +(playerdir $login) . "/$login.pl";
1302		1661
1303	my $pl = load_pl path $login	1662	my $f = new_from_file cf::object::thawer path $login
1304	or return;	1663	or return;
		1664
		1665	my $pl = cf::player::load_pl $f
		1666	or return;
		1667
		1668	local $cf::PLAYER_LOADING{$login} = $pl;
		1669	$f->resolve_delayed_derefs;
1305	$cf::PLAYER{$login} = $pl	1670	$cf::PLAYER{$login} = $pl
1306	}	1671	}
1307	}	1672	}
1308	}	1673	}
		1674
		1675	cf::player->attach (
		1676	on_load => sub {
		1677	my ($pl, $path) = @_;
		1678
		1679	# restore slots saved in save, below
		1680	my $slots = delete $pl->{_slots};
		1681
		1682	$pl->ob->current_weapon ($slots->[0]);
		1683	$pl->combat_ob ($slots->[1]);
		1684	$pl->ranged_ob ($slots->[2]);
		1685	},
		1686	);
1309		1687
1310	sub save($) {	1688	sub save($) {
1311	my ($pl) = @_;	1689	my ($pl) = @_;
1312		1690
1313	return if $pl->{deny_save};	1691	return if $pl->{deny_save};
…		…
1318	return if $pl->{deny_save};	1696	return if $pl->{deny_save};
1319		1697
1320	aio_mkdir playerdir $pl, 0770;	1698	aio_mkdir playerdir $pl, 0770;
1321	$pl->{last_save} = $cf::RUNTIME;	1699	$pl->{last_save} = $cf::RUNTIME;
1322		1700
		1701	cf::get_slot 0.01;
		1702
		1703	# save slots, to be restored later
		1704	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1705
1323	$pl->save_pl ($path);	1706	$pl->save_pl ($path);
1324	Coro::cede;	1707	cf::cede_to_tick;
1325	}	1708	}
1326		1709
1327	sub new($) {	1710	sub new($) {
1328	my ($login) = @_;	1711	my ($login) = @_;
1329		1712
…		…
1358	my ($pl) = @_;	1741	my ($pl) = @_;
1359		1742
1360	my $name = $pl->ob->name;	1743	my $name = $pl->ob->name;
1361		1744
1362	$pl->{deny_save} = 1;	1745	$pl->{deny_save} = 1;
1363	$pl->password ("*"); # this should lock out the player until we nuked the dir	1746	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1364		1747
1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1748	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1366	$pl->deactivate;	1749	$pl->deactivate;
		1750
		1751	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1367	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1752	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1753	ext::highscore::check ($pl->ob);
		1754
1368	$pl->ns->destroy if $pl->ns;	1755	$pl->ns->destroy if $pl->ns;
1369		1756
1370	my $path = playerdir $pl;	1757	my $path = playerdir $pl;
1371	my $temp = "$path~$cf::RUNTIME~deleting~";	1758	my $temp = "$path~$cf::RUNTIME~deleting~";
1372	aio_rename $path, $temp;	1759	aio_rename $path, $temp;
…		…
1407	or return [];	1794	or return [];
1408		1795
1409	my @logins;	1796	my @logins;
1410		1797
1411	for my $login (@$dirs) {	1798	for my $login (@$dirs) {
		1799	my $path = path $login;
		1800
		1801	# a .pst is a dead give-away for a valid player
		1802	# if no pst file found, open and chekc for blocked users
		1803	if (aio_stat "$path.pst") {
1412	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1804	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1413	aio_read $fh, 0, 512, my $buf, 0 or next;	1805	aio_read $fh, 0, 512, my $buf, 0 or next;
1414	$buf !~ /^password -------------$/m or next; # official not-valid tag	1806	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1807	}
1415		1808
1416	utf8::decode $login;	1809	utf8::decode $login;
1417	push @logins, $login;	1810	push @logins, $login;
1418	}	1811	}
1419		1812
1420	\@logins	1813	\@logins
1421	}	1814	}
1422		1815
1423	=item $player->maps	1816	=item $player->maps
		1817
		1818	=item cf::player::maps $login
1424		1819
1425	Returns an arrayref of map paths that are private for this	1820	Returns an arrayref of map paths that are private for this
1426	player. May block.	1821	player. May block.
1427		1822
1428	=cut	1823	=cut
…		…
1446	}	1841	}
1447		1842
1448	\@paths	1843	\@paths
1449	}	1844	}
1450		1845
1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1846	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1452		1847
1453	Expand crossfire pod fragments into protocol xml.	1848	Expand deliantra pod fragments into protocol xml.
1454
1455	=cut
1456
1457	sub expand_cfpod {
1458	((my $self), (local $_)) = @_;
1459
1460	# escape & and <
1461	s/&/&amp;/g;
1462	s/(?<![BIUGH])</&lt;/g;
1463
1464	# this is buggy, it needs to properly take care of nested <'s
1465
1466	1 while
1467	# replace B<>, I<>, U<> etc.
1468	s/B<([^\>]*)>/<b>$1<\/b>/
1469	|| s/I<([^\>]*)>/<i>$1<\/i>/
1470	|| s/U<([^\>]*)>/<u>$1<\/u>/
1471	# replace G<male|female> tags
1472	|| s{G<([^>|]*)\|([^>]*)>}{
1473	$self->gender ? $2 : $1
1474	}ge
1475	# replace H<hint text>
1476	|| s{H<([^\>]*)>}
1477	{
1478	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1479	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1480	"")
1481	[$self->{hintmode}]
1482	}ge;
1483
1484	# create single paragraphs (very hackish)
1485	s/(?<=\S)\n(?=\w)/ /g;
1486
1487	# compress some whitespace
1488	s/\s+\n/\n/g; # ws line-ends
1489	s/\n\n+/\n/g; # double lines
1490	s/^\n+//; # beginning lines
1491	s/\n+$//; # ending lines
1492
1493	$_
1494	}
1495
1496	sub hintmode {
1497	$_[0]{hintmode} = $_[1] if @_ > 1;
1498	$_[0]{hintmode}
1499	}
1500		1849
1501	=item $player->ext_reply ($msgid, @msg)	1850	=item $player->ext_reply ($msgid, @msg)
1502		1851
1503	Sends an ext reply to the player.	1852	Sends an ext reply to the player.
1504		1853
1505	=cut	1854	=cut
1506		1855
1507	sub ext_reply($$@) {	1856	sub ext_reply($$@) {
1508	my ($self, $id, @msg) = @_;	1857	my ($self, $id, @msg) = @_;
1509		1858
1510	if ($self->ns->extcmd == 2) {	1859	$self->ns->ext_reply ($id, @msg)
1511	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1512	} elsif ($self->ns->extcmd == 1) {
1513	#TODO: version 1, remove
1514	unshift @msg, msgtype => "reply", msgid => $id;
1515	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1516	}
1517	}	1860	}
1518		1861
1519	=item $player->ext_msg ($type, @msg)	1862	=item $player->ext_msg ($type, @msg)
1520		1863
1521	Sends an ext event to the client.	1864	Sends an ext event to the client.
…		…
1542		1885
1543	=cut	1886	=cut
1544		1887
1545	sub find_by_path($) {	1888	sub find_by_path($) {
1546	my ($path) = @_;	1889	my ($path) = @_;
		1890
		1891	$path =~ s/^~[^\/]*//; # skip ~login
1547		1892
1548	my ($match, $specificity);	1893	my ($match, $specificity);
1549		1894
1550	for my $region (list) {	1895	for my $region (list) {
1551	if ($region->{match} && $path =~ $region->{match}) {	1896	if ($region->{match} && $path =~ $region->{match}) {
…		…
1577	our $MAX_RESET = 3600;	1922	our $MAX_RESET = 3600;
1578	our $DEFAULT_RESET = 3000;	1923	our $DEFAULT_RESET = 3000;
1579		1924
1580	sub generate_random_map {	1925	sub generate_random_map {
1581	my ($self, $rmp) = @_;	1926	my ($self, $rmp) = @_;
1582	# mit "rum" bekleckern, nicht	1927
		1928	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1929
1583	$self->_create_random_map (	1930	$self->_create_random_map ($rmp);
1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1587	$rmp->{exit_on_final_map},
1588	$rmp->{xsize}, $rmp->{ysize},
1589	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1590	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1591	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1592	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1593	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1594	(cf::region::find $rmp->{region}), $rmp->{custom}
1595	)
1596	}	1931	}
1597		1932
1598	=item cf::map->register ($regex, $prio)	1933	=item cf::map->register ($regex, $prio)
1599		1934
1600	Register a handler for the map path matching the given regex at the	1935	Register a handler for the map path matching the given regex at the
…		…
1605		1940
1606	sub register {	1941	sub register {
1607	my (undef, $regex, $prio) = @_;	1942	my (undef, $regex, $prio) = @_;
1608	my $pkg = caller;	1943	my $pkg = caller;
1609		1944
1610	no strict;
1611	push @{"$pkg\::ISA"}, __PACKAGE__;	1945	push @{"$pkg\::ISA"}, __PACKAGE__;
1612		1946
1613	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1947	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1614	}	1948	}
1615		1949
1616	# also paths starting with '/'	1950	# also paths starting with '/'
1617	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1951	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1618		1952
1619	sub thawer_merge {	1953	sub thawer_merge {
1620	my ($self, $merge) = @_;	1954	my ($self, $merge) = @_;
1621		1955
1622	# we have to keep some variables in memory intact	1956	# we have to keep some variables in memory intact
…		…
1627	}	1961	}
1628		1962
1629	sub normalise {	1963	sub normalise {
1630	my ($path, $base) = @_;	1964	my ($path, $base) = @_;
1631		1965
1632	$path = "$path"; # make sure its a string	1966	$path = "$path"; # make sure it's a string
1633		1967
1634	$path =~ s/\.map$//;	1968	$path =~ s/\.map$//;
1635		1969
1636	# map plan:	1970	# map plan:
1637	#	1971	#
…		…
1652	$base =~ s{[^/]+/?$}{};	1986	$base =~ s{[^/]+/?$}{};
1653	$path = "$base/$path";	1987	$path = "$base/$path";
1654	}	1988	}
1655		1989
1656	for ($path) {	1990	for ($path) {
1657	redo if s{//}{/};
1658	redo if s{/\.?/}{/};	1991	redo if s{/\.?/}{/};
1659	redo if s{/[^/]+/\.\./}{/};	1992	redo if s{/[^/]+/\.\./}{/};
1660	}	1993	}
1661		1994
1662	$path	1995	$path
…		…
1676	$self->init; # pass $1 etc.	2009	$self->init; # pass $1 etc.
1677	return $self;	2010	return $self;
1678	}	2011	}
1679	}	2012	}
1680		2013
1681	Carp::cluck "unable to resolve path '$path' (base '$base').";	2014	Carp::cluck "unable to resolve path '$path' (base '$base')";
1682	()	2015	()
1683	}	2016	}
1684		2017
		2018	# may re-bless or do other evil things
1685	sub init {	2019	sub init {
1686	my ($self) = @_;	2020	my ($self) = @_;
1687		2021
1688	$self	2022	$self
1689	}	2023	}
…		…
1708		2042
1709	# the temporary/swap location	2043	# the temporary/swap location
1710	sub save_path {	2044	sub save_path {
1711	my ($self) = @_;	2045	my ($self) = @_;
1712		2046
1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2047	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1714	"$TMPDIR/$path.map"	2048	"$TMPDIR/$path.map"
1715	}	2049	}
1716		2050
1717	# the unique path, undef == no special unique path	2051	# the unique path, undef == no special unique path
1718	sub uniq_path {	2052	sub uniq_path {
1719	my ($self) = @_;	2053	my ($self) = @_;
1720		2054
1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2055	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1722	"$UNIQUEDIR/$path"	2056	"$UNIQUEDIR/$path"
1723	}
1724
1725	# and all this just because we cannot iterate over
1726	# all maps in C++...
1727	sub change_all_map_light {
1728	my ($change) = @_;
1729
1730	$_->change_map_light ($change)
1731	for grep $_->outdoor, values %cf::MAP;
1732	}	2057	}
1733		2058
1734	sub decay_objects {	2059	sub decay_objects {
1735	my ($self) = @_;	2060	my ($self) = @_;
1736		2061
…		…
1749		2074
1750	sub load_header_from($) {	2075	sub load_header_from($) {
1751	my ($self, $path) = @_;	2076	my ($self, $path) = @_;
1752		2077
1753	utf8::encode $path;	2078	utf8::encode $path;
1754	#aio_open $path, O_RDONLY, 0	2079	my $f = new_from_file cf::object::thawer $path
1755	# or return;
1756
1757	$self->_load_header ($path)
1758	or return;	2080	or return;
1759		2081
		2082	$self->_load_header ($f)
		2083	or return;
		2084
		2085	local $MAP_LOADING{$self->{path}} = $self;
		2086	$f->resolve_delayed_derefs;
		2087
1760	$self->{load_path} = $path;	2088	$self->{load_path} = $path;
1761		2089
1762	1	2090	1
1763	}	2091	}
1764		2092
		2093	# used to laod the header of an original map
1765	sub load_header_orig {	2094	sub load_header_orig {
1766	my ($self) = @_;	2095	my ($self) = @_;
1767		2096
1768	$self->load_header_from ($self->load_path)	2097	$self->load_header_from ($self->load_path)
1769	}	2098	}
1770		2099
		2100	# used to laod the header of an instantiated map
1771	sub load_header_temp {	2101	sub load_header_temp {
1772	my ($self) = @_;	2102	my ($self) = @_;
1773		2103
1774	$self->load_header_from ($self->save_path)	2104	$self->load_header_from ($self->save_path)
1775	}	2105	}
1776		2106
		2107	# called after loading the header from an instantiated map
1777	sub prepare_temp {	2108	sub prepare_temp {
1778	my ($self) = @_;	2109	my ($self) = @_;
1779		2110
1780	$self->last_access ((delete $self->{last_access})	2111	$self->last_access ((delete $self->{last_access})
1781	|| $cf::RUNTIME); #d#	2112	|| $cf::RUNTIME); #d#
1782	# safety	2113	# safety
1783	$self->{instantiate_time} = $cf::RUNTIME	2114	$self->{instantiate_time} = $cf::RUNTIME
1784	if $self->{instantiate_time} > $cf::RUNTIME;	2115	if $self->{instantiate_time} > $cf::RUNTIME;
1785	}	2116	}
1786		2117
		2118	# called after loading the header from an original map
1787	sub prepare_orig {	2119	sub prepare_orig {
1788	my ($self) = @_;	2120	my ($self) = @_;
1789		2121
1790	$self->{load_original} = 1;	2122	$self->{load_original} = 1;
1791	$self->{instantiate_time} = $cf::RUNTIME;	2123	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1815		2147
1816	sub find;	2148	sub find;
1817	sub find {	2149	sub find {
1818	my ($path, $origin) = @_;	2150	my ($path, $origin) = @_;
1819		2151
		2152	cf::cede_to_tick;
		2153
1820	$path = normalise $path, $origin && $origin->path;	2154	$path = normalise $path, $origin;
1821		2155
		2156	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1822	cf::lock_wait "map_find:$path";	2157	my $guard2 = cf::lock_acquire "map_find:$path";
1823		2158
1824	$cf::MAP{$path} || do {	2159	$cf::MAP{$path} || do {
1825	my $guard = cf::lock_acquire "map_find:$path";
1826	my $map = new_from_path cf::map $path	2160	my $map = new_from_path cf::map $path
1827	or return;	2161	or return;
1828		2162
1829	$map->{last_save} = $cf::RUNTIME;	2163	$map->{last_save} = $cf::RUNTIME;
1830		2164
…		…
1832	or return;	2166	or return;
1833		2167
1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2168	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1835	# doing this can freeze the server in a sync job, obviously	2169	# doing this can freeze the server in a sync job, obviously
1836	#$cf::WAIT_FOR_TICK->wait;	2170	#$cf::WAIT_FOR_TICK->wait;
		2171	undef $guard2;
		2172	undef $guard1;
1837	$map->reset;	2173	$map->reset;
1838	undef $guard;
1839	return find $path;	2174	return find $path;
1840	}	2175	}
1841		2176
1842	$cf::MAP{$path} = $map	2177	$cf::MAP{$path} = $map
1843	}	2178	}
1844	}	2179	}
1845		2180
1846	sub pre_load { }	2181	sub pre_load { }
1847	sub post_load { }	2182	#sub post_load { } # XS
1848		2183
1849	sub load {	2184	sub load {
1850	my ($self) = @_;	2185	my ($self) = @_;
1851		2186
1852	local $self->{deny_reset} = 1; # loading can take a long time	2187	local $self->{deny_reset} = 1; # loading can take a long time
1853		2188
1854	my $path = $self->{path};	2189	my $path = $self->{path};
1855		2190
1856	{	2191	{
1857	my $guard = cf::lock_acquire "map_load:$path";	2192	my $guard = cf::lock_acquire "map_data:$path";
1858		2193
		2194	return unless $self->valid;
1859	return if $self->in_memory != cf::MAP_SWAPPED;	2195	return unless $self->state == cf::MAP_SWAPPED;
1860
1861	$self->in_memory (cf::MAP_LOADING);
1862		2196
1863	$self->alloc;	2197	$self->alloc;
1864		2198
1865	$self->pre_load;	2199	$self->pre_load;
1866	Coro::cede;	2200	cf::cede_to_tick;
1867		2201
1868	$self->_load_objects ($self->{load_path}, 1)	2202	if (exists $self->{load_path}) {
		2203	my $f = new_from_file cf::object::thawer $self->{load_path};
		2204	$f->skip_block;
		2205	$self->_load_objects ($f)
1869	or return;	2206	or return;
1870		2207
1871	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2208	$self->post_load_original
1872	if delete $self->{load_original};	2209	if delete $self->{load_original};
1873		2210
1874	if (my $uniq = $self->uniq_path) {	2211	if (my $uniq = $self->uniq_path) {
1875	utf8::encode $uniq;	2212	utf8::encode $uniq;
1876	if (aio_open $uniq, O_RDONLY, 0) {	2213	unless (aio_stat $uniq) {
		2214	if (my $f = new_from_file cf::object::thawer $uniq) {
1877	$self->clear_unique_items;	2215	$self->clear_unique_items;
1878	$self->_load_objects ($uniq, 0);	2216	$self->_load_objects ($f);
		2217	$f->resolve_delayed_derefs;
		2218	}
		2219	}
1879	}	2220	}
1880	}
1881		2221
1882	Coro::cede;	2222	$f->resolve_delayed_derefs;
		2223	} else {
		2224	$self->post_load_original
		2225	if delete $self->{load_original};
		2226	}
		2227
		2228	$self->state (cf::MAP_INACTIVE);
		2229
		2230	cf::cede_to_tick;
1883	# now do the right thing for maps	2231	# now do the right thing for maps
1884	$self->link_multipart_objects;	2232	$self->link_multipart_objects;
1885	$self->difficulty ($self->estimate_difficulty)	2233	$self->difficulty ($self->estimate_difficulty)
1886	unless $self->difficulty;	2234	unless $self->difficulty;
1887	Coro::cede;	2235	cf::cede_to_tick;
1888		2236
1889	unless ($self->{deny_activate}) {	2237	unless ($self->{deny_activate}) {
1890	$self->decay_objects;	2238	$self->decay_objects;
1891	$self->fix_auto_apply;	2239	$self->fix_auto_apply;
1892	$self->update_buttons;	2240	$self->update_buttons;
1893	Coro::cede;	2241	cf::cede_to_tick;
1894	$self->set_darkness_map;	2242	#$self->activate; # no longer activate maps automatically
1895	Coro::cede;
1896	$self->activate;
1897	}	2243	}
1898		2244
1899	$self->{last_save} = $cf::RUNTIME;	2245	$self->{last_save} = $cf::RUNTIME;
1900	$self->last_access ($cf::RUNTIME);	2246	$self->last_access ($cf::RUNTIME);
1901
1902	$self->in_memory (cf::MAP_IN_MEMORY);
1903	}	2247	}
1904		2248
1905	$self->post_load;	2249	$self->post_load;
1906	}
1907		2250
		2251	1
		2252	}
		2253
		2254	# customize the map for a given player, i.e.
		2255	# return the _real_ map. used by e.g. per-player
		2256	# maps to change the path to ~playername/mappath
1908	sub customise_for {	2257	sub customise_for {
1909	my ($self, $ob) = @_;	2258	my ($self, $ob) = @_;
1910		2259
1911	return find "~" . $ob->name . "/" . $self->{path}	2260	return find "~" . $ob->name . "/" . $self->{path}
1912	if $self->per_player;	2261	if $self->per_player;
…		…
1915	# if $self->per_party;	2264	# if $self->per_party;
1916		2265
1917	$self	2266	$self
1918	}	2267	}
1919		2268
1920	# find and load all maps in the 3x3 area around a map
1921	sub load_diag {
1922	my ($map) = @_;
1923
1924	my @diag; # diagonal neighbours
1925
1926	for (0 .. 3) {
1927	my $neigh = $map->tile_path ($_)
1928	or next;
1929	$neigh = find $neigh, $map
1930	or next;
1931	$neigh->load;
1932
1933	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1934	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1935	}
1936
1937	for (@diag) {
1938	my $neigh = find @$_
1939	or next;
1940	$neigh->load;
1941	}
1942	}
1943
1944	sub find_sync {	2269	sub find_sync {
1945	my ($path, $origin) = @_;	2270	my ($path, $origin) = @_;
1946		2271
1947	cf::sync_job { find $path, $origin }	2272	# it's a bug to call this from the main context
		2273	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2274	if $Coro::current == $Coro::main;
		2275
		2276	find $path, $origin
1948	}	2277	}
1949		2278
1950	sub do_load_sync {	2279	sub do_load_sync {
1951	my ($map) = @_;	2280	my ($map) = @_;
1952		2281
1953	cf::sync_job { $map->load };	2282	# it's a bug to call this from the main context
		2283	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2284	if $Coro::current == $Coro::main;
		2285
		2286	$map->load;
1954	}	2287	}
1955		2288
1956	our %MAP_PREFETCH;	2289	our %MAP_PREFETCH;
1957	our $MAP_PREFETCHER = undef;	2290	our $MAP_PREFETCHER = undef;
1958		2291
1959	sub find_async {	2292	sub find_async {
1960	my ($path, $origin) = @_;	2293	my ($path, $origin, $load) = @_;
1961		2294
1962	$path = normalise $path, $origin && $origin->{path};	2295	$path = normalise $path, $origin;
1963		2296
1964	if (my $map = $cf::MAP{$path}) {	2297	if (my $map = $cf::MAP{$path}) {
1965	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2298	return $map if !$load || $map->linkable;
1966	}	2299	}
1967		2300
1968	undef $MAP_PREFETCH{$path};	2301	$MAP_PREFETCH{$path} |= $load;
		2302
1969	$MAP_PREFETCHER ||= cf::async {	2303	$MAP_PREFETCHER ||= cf::async {
		2304	$Coro::current->{desc} = "map prefetcher";
		2305
1970	while (%MAP_PREFETCH) {	2306	while (%MAP_PREFETCH) {
1971	for my $path (keys %MAP_PREFETCH) {	2307	while (my ($k, $v) = each %MAP_PREFETCH) {
1972	if (my $map = find $path) {	2308	if (my $map = find $k) {
1973	$map->load;	2309	$map->load if $v;
1974	}	2310	}
1975		2311
1976	delete $MAP_PREFETCH{$path};	2312	delete $MAP_PREFETCH{$k};
1977	}	2313	}
1978	}	2314	}
1979	undef $MAP_PREFETCHER;	2315	undef $MAP_PREFETCHER;
1980	};	2316	};
1981	$MAP_PREFETCHER->prio (6);	2317	$MAP_PREFETCHER->prio (6);
1982		2318
1983	()	2319	()
1984	}	2320	}
1985		2321
		2322	# common code, used by both ->save and ->swapout
1986	sub save {	2323	sub _save {
1987	my ($self) = @_;	2324	my ($self) = @_;
1988
1989	my $lock = cf::lock_acquire "map_data:" . $self->path;
1990		2325
1991	$self->{last_save} = $cf::RUNTIME;	2326	$self->{last_save} = $cf::RUNTIME;
1992		2327
1993	return unless $self->dirty;	2328	return unless $self->dirty;
1994		2329
…		…
2000	return if $self->{deny_save};	2335	return if $self->{deny_save};
2001		2336
2002	local $self->{last_access} = $self->last_access;#d#	2337	local $self->{last_access} = $self->last_access;#d#
2003		2338
2004	cf::async {	2339	cf::async {
		2340	$Coro::current->{desc} = "map player save";
2005	$_->contr->save for $self->players;	2341	$_->contr->save for $self->players;
2006	};	2342	};
		2343
		2344	cf::get_slot 0.02;
2007		2345
2008	if ($uniq) {	2346	if ($uniq) {
2009	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2347	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2010	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2348	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2011	} else {	2349	} else {
2012	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2013	}	2351	}
2014	}	2352	}
2015		2353
		2354	sub save {
		2355	my ($self) = @_;
		2356
		2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2358
		2359	$self->_save;
		2360	}
		2361
2016	sub swap_out {	2362	sub swap_out {
2017	my ($self) = @_;	2363	my ($self) = @_;
2018		2364
2019	# save first because save cedes
2020	$self->save;
2021
2022	my $lock = cf::lock_acquire "map_data:" . $self->path;	2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
2023		2366
		2367	return if !$self->linkable;
		2368	return if $self->{deny_save};
2024	return if $self->players;	2369	return if $self->players;
2025	return if $self->in_memory != cf::MAP_IN_MEMORY;
2026	return if $self->{deny_save};
2027		2370
		2371	# first deactivate the map and "unlink" it from the core
		2372	$self->deactivate;
		2373	$_->clear_links_to ($self) for values %cf::MAP;
		2374	$self->state (cf::MAP_SWAPPED);
		2375
		2376	# then atomically save
		2377	$self->_save;
		2378
		2379	# then free the map
2028	$self->clear;	2380	$self->clear;
2029	$self->in_memory (cf::MAP_SWAPPED);
2030	}	2381	}
2031		2382
2032	sub reset_at {	2383	sub reset_at {
2033	my ($self) = @_;	2384	my ($self) = @_;
2034		2385
…		…
2052		2403
2053	my $lock = cf::lock_acquire "map_data:$self->{path}";	2404	my $lock = cf::lock_acquire "map_data:$self->{path}";
2054		2405
2055	return if $self->players;	2406	return if $self->players;
2056		2407
2057	warn "resetting map ", $self->path;	2408	cf::trace "resetting map ", $self->path, "\n";
2058		2409
2059	$self->in_memory (cf::MAP_SWAPPED);	2410	$self->state (cf::MAP_SWAPPED);
2060		2411
2061	# need to save uniques path	2412	# need to save uniques path
2062	unless ($self->{deny_save}) {	2413	unless ($self->{deny_save}) {
2063	my $uniq = $self->uniq_path; utf8::encode $uniq;	2414	my $uniq = $self->uniq_path; utf8::encode $uniq;
2064		2415
…		…
2066	if $uniq;	2417	if $uniq;
2067	}	2418	}
2068		2419
2069	delete $cf::MAP{$self->path};	2420	delete $cf::MAP{$self->path};
2070		2421
		2422	$self->deactivate;
		2423	$_->clear_links_to ($self) for values %cf::MAP;
2071	$self->clear;	2424	$self->clear;
2072
2073	$_->clear_links_to ($self) for values %cf::MAP;
2074		2425
2075	$self->unlink_save;	2426	$self->unlink_save;
2076	$self->destroy;	2427	$self->destroy;
2077	}	2428	}
2078		2429
2079	my $nuke_counter = "aaaa";	2430	my $nuke_counter = "aaaa";
2080		2431
2081	sub nuke {	2432	sub nuke {
2082	my ($self) = @_;	2433	my ($self) = @_;
2083		2434
		2435	{
		2436	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2437
2084	delete $cf::MAP{$self->path};	2438	delete $cf::MAP{$self->path};
2085		2439
2086	$self->unlink_save;	2440	$self->unlink_save;
2087		2441
2088	bless $self, "cf::map";	2442	bless $self, "cf::map::wrap";
2089	delete $self->{deny_reset};	2443	delete $self->{deny_reset};
2090	$self->{deny_save} = 1;	2444	$self->{deny_save} = 1;
2091	$self->reset_timeout (1);	2445	$self->reset_timeout (1);
2092	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2446	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2093		2447
2094	$cf::MAP{$self->path} = $self;	2448	$cf::MAP{$self->path} = $self;
		2449	}
2095		2450
2096	$self->reset; # polite request, might not happen	2451	$self->reset; # polite request, might not happen
2097	}	2452	}
2098		2453
2099	=item $maps = cf::map::tmp_maps	2454	=item $maps = cf::map::tmp_maps
…		…
2141		2496
2142	sub unique_maps() {	2497	sub unique_maps() {
2143	[	2498	[
2144	map {	2499	map {
2145	utf8::decode $_;	2500	utf8::decode $_;
2146	/\.map$/	2501	s/\.map$//; # TODO future compatibility hack
		2502	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2503	? ()
2147	? normalise $_	2504	: normalise $_
2148	: ()
2149	} @{ aio_readdir $UNIQUEDIR or [] }	2505	} @{ aio_readdir $UNIQUEDIR or [] }
2150	]	2506	]
2151	}	2507	}
2152		2508
2153	package cf;	2509	=item cf::map::static_maps
		2510
		2511	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2512	file in the shared directory excluding F</styles> and F</editor>). May
		2513	block.
		2514
		2515	=cut
		2516
		2517	sub static_maps() {
		2518	my @dirs = "";
		2519	my @maps;
		2520
		2521	while (@dirs) {
		2522	my $dir = shift @dirs;
		2523
		2524	next if $dir eq "/styles" || $dir eq "/editor";
		2525
		2526	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2527	or return;
		2528
		2529	for (@$files) {
		2530	s/\.map$// or next;
		2531	utf8::decode $_;
		2532	push @maps, "$dir/$_";
		2533	}
		2534
		2535	push @dirs, map "$dir/$_", @$dirs;
		2536	}
		2537
		2538	\@maps
		2539	}
2154		2540
2155	=back	2541	=back
2156		2542
2157	=head3 cf::object	2543	=head3 cf::object
2158		2544
…		…
2162		2548
2163	=over 4	2549	=over 4
2164		2550
2165	=item $ob->inv_recursive	2551	=item $ob->inv_recursive
2166		2552
2167	Returns the inventory of the object _and_ their inventories, recursively.	2553	Returns the inventory of the object I<and> their inventories, recursively,
		2554	but I<not> the object itself.
2168		2555
2169	=cut	2556	=cut
2170		2557
2171	sub inv_recursive_;	2558	sub inv_recursive_;
2172	sub inv_recursive_ {	2559	sub inv_recursive_ {
…		…
2175		2562
2176	sub inv_recursive {	2563	sub inv_recursive {
2177	inv_recursive_ inv $_[0]	2564	inv_recursive_ inv $_[0]
2178	}	2565	}
2179		2566
		2567	=item $ref = $ob->ref
		2568
		2569	Creates and returns a persistent reference to an object that can be stored as a string.
		2570
		2571	=item $ob = cf::object::deref ($refstring)
		2572
		2573	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2574	even if the object actually exists. May block.
		2575
		2576	=cut
		2577
		2578	sub deref {
		2579	my ($ref) = @_;
		2580
		2581	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2582	my ($uuid, $name) = ($1, $2);
		2583	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2584	or return;
		2585	$pl->ob->uuid eq $uuid
		2586	or return;
		2587
		2588	$pl->ob
		2589	} else {
		2590	warn "$ref: cannot resolve object reference\n";
		2591	undef
		2592	}
		2593	}
		2594
2180	package cf;	2595	package cf;
2181		2596
2182	=back	2597	=back
2183		2598
2184	=head3 cf::object::player	2599	=head3 cf::object::player
…		…
2190	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2605	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2191	can be C<undef>. Does the right thing when the player is currently in a	2606	can be C<undef>. Does the right thing when the player is currently in a
2192	dialogue with the given NPC character.	2607	dialogue with the given NPC character.
2193		2608
2194	=cut	2609	=cut
		2610
		2611	our $SAY_CHANNEL = {
		2612	id => "say",
		2613	title => "Map",
		2614	reply => "say ",
		2615	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2616	};
		2617
		2618	our $CHAT_CHANNEL = {
		2619	id => "chat",
		2620	title => "Chat",
		2621	reply => "chat ",
		2622	tooltip => "Player chat and shouts, global to the server.",
		2623	};
2195		2624
2196	# rough implementation of a future "reply" method that works	2625	# rough implementation of a future "reply" method that works
2197	# with dialog boxes.	2626	# with dialog boxes.
2198	#TODO: the first argument must go, split into a $npc->reply_to ( method	2627	#TODO: the first argument must go, split into a $npc->reply_to ( method
2199	sub cf::object::player::reply($$$;$) {	2628	sub cf::object::player::reply($$$;$) {
…		…
2211	my $dialog = $pl->{npc_dialog};	2640	my $dialog = $pl->{npc_dialog};
2212	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2641	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2213		2642
2214	} else {	2643	} else {
2215	$msg = $npc->name . " says: $msg" if $npc;	2644	$msg = $npc->name . " says: $msg" if $npc;
2216	$self->message ($msg, $flags);	2645	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2217	}	2646	}
2218	}	2647	}
2219	}	2648	}
2220		2649
2221	=item $object->send_msg ($channel, $msg, $color, [extra...])	2650	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2246		2675
2247	=item $player_object->enter_link	2676	=item $player_object->enter_link
2248		2677
2249	Freezes the player and moves him/her to a special map (C<{link}>).	2678	Freezes the player and moves him/her to a special map (C<{link}>).
2250		2679
2251	The player should be reasonably safe there for short amounts of time. You	2680	The player should be reasonably safe there for short amounts of time (e.g.
2252	I<MUST> call C<leave_link> as soon as possible, though.	2681	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2682	though, as the player cannot control the character while it is on the link
		2683	map.
2253		2684
2254	Will never block.	2685	Will never block.
2255		2686
2256	=item $player_object->leave_link ($map, $x, $y)	2687	=item $player_object->leave_link ($map, $x, $y)
2257		2688
…		…
2277	sub cf::object::player::enter_link {	2708	sub cf::object::player::enter_link {
2278	my ($self) = @_;	2709	my ($self) = @_;
2279		2710
2280	$self->deactivate_recursive;	2711	$self->deactivate_recursive;
2281		2712
		2713	++$self->{_link_recursion};
		2714
2282	return if UNIVERSAL::isa $self->map, "ext::map_link";	2715	return if UNIVERSAL::isa $self->map, "ext::map_link";
2283		2716
2284	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2285	if $self->map && $self->map->{path} ne "{link}";	2718	if $self->map && $self->map->{path} ne "{link}";
2286		2719
2287	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2720	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2288	}	2721	}
2289		2722
2290	sub cf::object::player::leave_link {	2723	sub cf::object::player::leave_link {
2291	my ($self, $map, $x, $y) = @_;	2724	my ($self, $map, $x, $y) = @_;
2292		2725
…		…
2309	($x, $y) = (-1, -1)	2742	($x, $y) = (-1, -1)
2310	unless (defined $x) && (defined $y);	2743	unless (defined $x) && (defined $y);
2311		2744
2312	# use -1 or undef as default coordinates, not 0, 0	2745	# use -1 or undef as default coordinates, not 0, 0
2313	($x, $y) = ($map->enter_x, $map->enter_y)	2746	($x, $y) = ($map->enter_x, $map->enter_y)
2314	if $x <=0 && $y <= 0;	2747	if $x <= 0 && $y <= 0;
2315		2748
2316	$map->load;	2749	$map->load;
2317	$map->load_diag;
2318		2750
2319	return unless $self->contr->active;	2751	return unless $self->contr->active;
2320	$self->activate_recursive;
2321		2752
2322	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2753	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2323	$self->enter_map ($map, $x, $y);	2754	if ($self->enter_map ($map, $x, $y)) {
2324	}	2755	# entering was successful
		2756	delete $self->{_link_recursion};
		2757	# only activate afterwards, to support waiting in hooks
		2758	$self->activate_recursive;
		2759	}
2325		2760
		2761	}
		2762
2326	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2763	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2327		2764
2328	Moves the player to the given map-path and coordinates by first freezing	2765	Moves the player to the given map-path and coordinates by first freezing
2329	her, loading and preparing them map, calling the provided $check callback	2766	her, loading and preparing them map, calling the provided $check callback
2330	that has to return the map if sucecssful, and then unfreezes the player on	2767	that has to return the map if sucecssful, and then unfreezes the player on
2331	the new (success) or old (failed) map position. In either case, $done will	2768	the new (success) or old (failed) map position. In either case, $done will
2332	be called at the end of this process.	2769	be called at the end of this process.
2333		2770
		2771	Note that $check will be called with a potentially non-loaded map, so if
		2772	it needs a loaded map it has to call C<< ->load >>.
		2773
2334	=cut	2774	=cut
2335		2775
2336	our $GOTOGEN;	2776	our $GOTOGEN;
2337		2777
2338	sub cf::object::player::goto {	2778	sub cf::object::player::goto {
2339	my ($self, $path, $x, $y, $check, $done) = @_;	2779	my ($self, $path, $x, $y, $check, $done) = @_;
2340		2780
		2781	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2782	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2783	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2784	($path, $x, $y) = @$EMERGENCY_POSITION;
		2785	}
		2786
2341	# do generation counting so two concurrent goto's will be executed in-order	2787	# do generation counting so two concurrent goto's will be executed in-order
2342	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2788	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2343		2789
2344	$self->enter_link;	2790	$self->enter_link;
2345		2791
2346	(async {	2792	(async {
		2793	$Coro::current->{desc} = "player::goto $path $x $y";
		2794
		2795	# *tag paths override both path and x|y
		2796	if ($path =~ /^\*(.*)$/) {
		2797	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2798	my $ob = $obs[rand @obs];
		2799
		2800	# see if we actually can go there
		2801	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2802	$ob = $obs[rand @obs];
		2803	} else {
		2804	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2805	}
		2806	# else put us there anyways for now #d#
		2807
		2808	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2809	} else {
		2810	($path, $x, $y) = (undef, undef, undef);
		2811	}
		2812	}
		2813
2347	my $map = eval {	2814	my $map = eval {
2348	my $map = cf::map::find $path;	2815	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2349		2816
2350	if ($map) {	2817	if ($map) {
2351	$map = $map->customise_for ($self);	2818	$map = $map->customise_for ($self);
2352	$map = $check->($map) if $check && $map;	2819	$map = $check->($map, $x, $y, $self) if $check && $map;
2353	} else {	2820	} else {
2354	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2821	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2355	}	2822	}
2356		2823
2357	$map	2824	$map
2358	};	2825	};
2359		2826
…		…
2365	if ($gen == $self->{_goto_generation}) {	2832	if ($gen == $self->{_goto_generation}) {
2366	delete $self->{_goto_generation};	2833	delete $self->{_goto_generation};
2367	$self->leave_link ($map, $x, $y);	2834	$self->leave_link ($map, $x, $y);
2368	}	2835	}
2369		2836
2370	$done->() if $done;	2837	$done->($self) if $done;
2371	})->prio (1);	2838	})->prio (1);
2372	}	2839	}
2373		2840
2374	=item $player_object->enter_exit ($exit_object)	2841	=item $player_object->enter_exit ($exit_object)
2375		2842
…		…
2395	}	2862	}
2396		2863
2397	sub prepare_random_map {	2864	sub prepare_random_map {
2398	my ($exit) = @_;	2865	my ($exit) = @_;
2399		2866
2400	my $guard = cf::lock_acquire "exit_prepare:$exit";
2401
2402	# all this does is basically replace the /! path by	2867	# all this does is basically replace the /! path by
2403	# a new random map path (?random/...) with a seed	2868	# a new random map path (?random/...) with a seed
2404	# that depends on the exit object	2869	# that depends on the exit object
2405		2870
2406	my $rmp = parse_random_map_params $exit->msg;	2871	my $rmp = parse_random_map_params $exit->msg;
…		…
2408	if ($exit->map) {	2873	if ($exit->map) {
2409	$rmp->{region} = $exit->region->name;	2874	$rmp->{region} = $exit->region->name;
2410	$rmp->{origin_map} = $exit->map->path;	2875	$rmp->{origin_map} = $exit->map->path;
2411	$rmp->{origin_x} = $exit->x;	2876	$rmp->{origin_x} = $exit->x;
2412	$rmp->{origin_y} = $exit->y;	2877	$rmp->{origin_y} = $exit->y;
		2878
		2879	$exit->map->touch;
2413	}	2880	}
2414		2881
2415	$rmp->{random_seed} ||= $exit->random_seed;	2882	$rmp->{random_seed} ||= $exit->random_seed;
2416		2883
2417	my $data = cf::to_json $rmp;	2884	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2418	my $md5 = Digest::MD5::md5_hex $data;	2885	my $md5 = Digest::MD5::md5_hex $data;
2419	my $meta = "$RANDOMDIR/$md5.meta";	2886	my $meta = "$RANDOMDIR/$md5.meta";
2420		2887
2421	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2422	aio_write $fh, 0, (length $data), $data, 0;	2889	aio_write $fh, 0, (length $data), $data, 0;
2423	undef $fh;	2890	undef $fh;
2424	aio_rename "$meta~", $meta;	2891	aio_rename "$meta~", $meta;
2425		2892
		2893	my $slaying = "?random/$md5";
		2894
		2895	if ($exit->valid) {
2426	$exit->slaying ("?random/$md5");	2896	$exit->slaying ("?random/$md5");
2427	$exit->msg (undef);	2897	$exit->msg (undef);
		2898	}
2428	}	2899	}
2429	}	2900	}
2430		2901
2431	sub cf::object::player::enter_exit {	2902	sub cf::object::player::enter_exit {
2432	my ($self, $exit) = @_;	2903	my ($self, $exit) = @_;
2433		2904
2434	return unless $self->type == cf::PLAYER;	2905	return unless $self->type == cf::PLAYER;
2435		2906
2436	if ($exit->slaying eq "/!") {
2437	#TODO: this should de-fi-ni-te-ly not be a sync-job
2438	# the problem is that $exit might not survive long enough
2439	# so it needs to be done right now, right here
2440	cf::sync_job { prepare_random_map $exit };
2441	}
2442
2443	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2444	my $hp = $exit->stats->hp;
2445	my $sp = $exit->stats->sp;
2446
2447	$self->enter_link;	2907	$self->enter_link;
2448		2908
2449	# if exit is damned, update players death & WoR home-position
2450	$self->contr->savebed ($slaying, $hp, $sp)
2451	if $exit->flag (FLAG_DAMNED);
2452
2453	(async {	2909	(async {
2454	$self->deactivate_recursive; # just to be sure	2910	$Coro::current->{desc} = "enter_exit";
		2911
2455	unless (eval {	2912	unless (eval {
		2913	$self->deactivate_recursive; # just to be sure
		2914
		2915	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2916	my $x = $exit->stats->hp;
		2917	my $y = $exit->stats->sp;
		2918
		2919	# special map handling
		2920	my $slaying = $exit->slaying;
		2921
		2922	# special map handling
		2923	if ($slaying eq "/!") {
		2924	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2925
		2926	prepare_random_map $exit
		2927	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2928
		2929	$map = $exit->slaying;
		2930
		2931	} elsif ($slaying eq '!up') {
		2932	$map = $exit->map->tile_path (cf::TILE_UP);
		2933	$x = $exit->x;
		2934	$y = $exit->y;
		2935
		2936	} elsif ($slaying eq '!down') {
		2937	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2938	$x = $exit->x;
		2939	$y = $exit->y;
		2940	}
		2941
2456	$self->goto ($slaying, $hp, $sp);	2942	$self->goto ($map, $x, $y);
2457		2943
		2944	# if exit is damned, update players death & WoR home-position
		2945	$self->contr->savebed ($map, $x, $y)
		2946	if $exit->flag (cf::FLAG_DAMNED);
		2947
2458	1;	2948	1
2459	}) {	2949	}) {
2460	$self->message ("Something went wrong deep within the crossfire server. "	2950	$self->message ("Something went wrong deep within the deliantra server. "
2461	. "I'll try to bring you back to the map you were before. "	2951	. "I'll try to bring you back to the map you were before. "
2462	. "Please report this to the dungeon master!",	2952	. "Please report this to the dungeon master!",
2463	cf::NDI_UNIQUE | cf::NDI_RED);	2953	cf::NDI_UNIQUE | cf::NDI_RED);
2464		2954
2465	warn "ERROR in enter_exit: $@";	2955	error "ERROR in enter_exit: $@";
2466	$self->leave_link;	2956	$self->leave_link;
2467	}	2957	}
2468	})->prio (1);	2958	})->prio (1);
2469	}	2959	}
2470		2960
…		…
2482	sub cf::client::send_drawinfo {	2972	sub cf::client::send_drawinfo {
2483	my ($self, $text, $flags) = @_;	2973	my ($self, $text, $flags) = @_;
2484		2974
2485	utf8::encode $text;	2975	utf8::encode $text;
2486	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2976	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2977	}
		2978
		2979	=item $client->send_big_packet ($pkt)
		2980
		2981	Like C<send_packet>, but tries to compress large packets, and fragments
		2982	them as required.
		2983
		2984	=cut
		2985
		2986	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2987
		2988	sub cf::client::send_big_packet {
		2989	my ($self, $pkt) = @_;
		2990
		2991	# try lzf for large packets
		2992	$pkt = "lzf " . Compress::LZF::compress $pkt
		2993	if 1024 <= length $pkt and $self->{can_lzf};
		2994
		2995	# split very large packets
		2996	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2997	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2998	$pkt = "frag";
		2999	}
		3000
		3001	$self->send_packet ($pkt);
2487	}	3002	}
2488		3003
2489	=item $client->send_msg ($channel, $msg, $color, [extra...])	3004	=item $client->send_msg ($channel, $msg, $color, [extra...])
2490		3005
2491	Send a drawinfo or msg packet to the client, formatting the msg for the	3006	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2493	the message, with C<log> being the default. If C<$color> is negative, suppress	3008	the message, with C<log> being the default. If C<$color> is negative, suppress
2494	the message unless the client supports the msg packet.	3009	the message unless the client supports the msg packet.
2495		3010
2496	=cut	3011	=cut
2497		3012
		3013	# non-persistent channels (usually the info channel)
		3014	our %CHANNEL = (
		3015	"c/motd" => {
		3016	id => "infobox",
		3017	title => "MOTD",
		3018	reply => undef,
		3019	tooltip => "The message of the day",
		3020	},
		3021	"c/identify" => {
		3022	id => "infobox",
		3023	title => "Identify",
		3024	reply => undef,
		3025	tooltip => "Items recently identified",
		3026	},
		3027	"c/examine" => {
		3028	id => "infobox",
		3029	title => "Examine",
		3030	reply => undef,
		3031	tooltip => "Signs and other items you examined",
		3032	},
		3033	"c/shopinfo" => {
		3034	id => "infobox",
		3035	title => "Shop Info",
		3036	reply => undef,
		3037	tooltip => "What your bargaining skill tells you about the shop",
		3038	},
		3039	"c/book" => {
		3040	id => "infobox",
		3041	title => "Book",
		3042	reply => undef,
		3043	tooltip => "The contents of a note or book",
		3044	},
		3045	"c/lookat" => {
		3046	id => "infobox",
		3047	title => "Look",
		3048	reply => undef,
		3049	tooltip => "What you saw there",
		3050	},
		3051	"c/who" => {
		3052	id => "infobox",
		3053	title => "Players",
		3054	reply => undef,
		3055	tooltip => "Shows players who are currently online",
		3056	},
		3057	"c/body" => {
		3058	id => "infobox",
		3059	title => "Body Parts",
		3060	reply => undef,
		3061	tooltip => "Shows which body parts you posess and are available",
		3062	},
		3063	"c/statistics" => {
		3064	id => "infobox",
		3065	title => "Statistics",
		3066	reply => undef,
		3067	tooltip => "Shows your primary statistics",
		3068	},
		3069	"c/skills" => {
		3070	id => "infobox",
		3071	title => "Skills",
		3072	reply => undef,
		3073	tooltip => "Shows your experience per skill and item power",
		3074	},
		3075	"c/shopitems" => {
		3076	id => "infobox",
		3077	title => "Shop Items",
		3078	reply => undef,
		3079	tooltip => "Shows the items currently for sale in this shop",
		3080	},
		3081	"c/resistances" => {
		3082	id => "infobox",
		3083	title => "Resistances",
		3084	reply => undef,
		3085	tooltip => "Shows your resistances",
		3086	},
		3087	"c/pets" => {
		3088	id => "infobox",
		3089	title => "Pets",
		3090	reply => undef,
		3091	tooltip => "Shows information abotu your pets/a specific pet",
		3092	},
		3093	"c/perceiveself" => {
		3094	id => "infobox",
		3095	title => "Perceive Self",
		3096	reply => undef,
		3097	tooltip => "You gained detailed knowledge about yourself",
		3098	},
		3099	"c/uptime" => {
		3100	id => "infobox",
		3101	title => "Uptime",
		3102	reply => undef,
		3103	tooltip => "How long the server has been running since last restart",
		3104	},
		3105	"c/mapinfo" => {
		3106	id => "infobox",
		3107	title => "Map Info",
		3108	reply => undef,
		3109	tooltip => "Information related to the maps",
		3110	},
		3111	"c/party" => {
		3112	id => "party",
		3113	title => "Party",
		3114	reply => "gsay ",
		3115	tooltip => "Messages and chat related to your party",
		3116	},
		3117	"c/death" => {
		3118	id => "death",
		3119	title => "Death",
		3120	reply => undef,
		3121	tooltip => "Reason for and more info about your most recent death",
		3122	},
		3123	"c/say" => $SAY_CHANNEL,
		3124	"c/chat" => $CHAT_CHANNEL,
		3125	);
		3126
2498	sub cf::client::send_msg {	3127	sub cf::client::send_msg {
2499	my ($self, $channel, $msg, $color, @extra) = @_;	3128	my ($self, $channel, $msg, $color, @extra) = @_;
2500		3129
2501	$msg = $self->pl->expand_cfpod ($msg);	3130	$msg = $self->pl->expand_cfpod ($msg)
		3131	unless $color & cf::NDI_VERBATIM;
2502		3132
2503	$color &= cf::NDI_CLIENT_MASK; # just in case...	3133	$color &= cf::NDI_CLIENT_MASK; # just in case...
2504		3134
		3135	# check predefined channels, for the benefit of C
		3136	if ($CHANNEL{$channel}) {
		3137	$channel = $CHANNEL{$channel};
		3138
		3139	$self->ext_msg (channel_info => $channel);
		3140	$channel = $channel->{id};
		3141
2505	if (ref $channel) {	3142	} elsif (ref $channel) {
2506	# send meta info to client, if not yet sent	3143	# send meta info to client, if not yet sent
2507	unless (exists $self->{channel}{$channel->{id}}) {	3144	unless (exists $self->{channel}{$channel->{id}}) {
2508	$self->{channel}{$channel->{id}} = $channel;	3145	$self->{channel}{$channel->{id}} = $channel;
2509	$self->ext_msg (channel_info => $channel);	3146	$self->ext_msg (channel_info => $channel);
2510	}	3147	}
…		…
2512	$channel = $channel->{id};	3149	$channel = $channel->{id};
2513	}	3150	}
2514		3151
2515	return unless @extra || length $msg;	3152	return unless @extra || length $msg;
2516		3153
2517	if ($self->can_msg) {
2518	# default colour, mask it out	3154	# default colour, mask it out
2519	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3155	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2520	if $color & cf::NDI_DEF;	3156	if $color & cf::NDI_DEF;
2521		3157
2522	$self->send_packet ("msg " . $self->{json_coder}->encode (	3158	my $pkt = "msg "
		3159	. $self->{json_coder}->encode (
2523	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3160	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2524	} else {	3161	);
2525	if ($color >= 0) {
2526	# replace some tags by gcfclient-compatible ones
2527	for ($msg) {
2528	1 while
2529	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2530	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2531	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2532	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2533	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2534	}
2535		3162
2536	$color &= cf::NDI_COLOR_MASK;	3163	$self->send_big_packet ($pkt);
2537
2538	utf8::encode $msg;
2539
2540	if (0 && $msg =~ /\[/) {
2541	# COMMAND/INFO
2542	$self->send_packet ("drawextinfo $color 10 8 $msg")
2543	} else {
2544	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2545	$self->send_packet ("drawinfo $color $msg")
2546	}
2547	}
2548	}
2549	}	3164	}
2550		3165
2551	=item $client->ext_msg ($type, @msg)	3166	=item $client->ext_msg ($type, @msg)
2552		3167
2553	Sends an ext event to the client.	3168	Sends an ext event to the client.
…		…
2555	=cut	3170	=cut
2556		3171
2557	sub cf::client::ext_msg($$@) {	3172	sub cf::client::ext_msg($$@) {
2558	my ($self, $type, @msg) = @_;	3173	my ($self, $type, @msg) = @_;
2559		3174
2560	my $extcmd = $self->extcmd;
2561
2562	if ($extcmd == 2) {	3175	if ($self->extcmd == 2) {
2563	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3176	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2564	} elsif ($extcmd == 1) { # TODO: remove	3177	} elsif ($self->extcmd == 1) { # TODO: remove
2565	push @msg, msgtype => "event_$type";	3178	push @msg, msgtype => "event_$type";
2566	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2567	}	3180	}
		3181	}
		3182
		3183	=item $client->ext_reply ($msgid, @msg)
		3184
		3185	Sends an ext reply to the client.
		3186
		3187	=cut
		3188
		3189	sub cf::client::ext_reply($$@) {
		3190	my ($self, $id, @msg) = @_;
		3191
		3192	return unless $self->extcmd == 2;
		3193
		3194	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2568	}	3195	}
2569		3196
2570	=item $success = $client->query ($flags, "text", \&cb)	3197	=item $success = $client->query ($flags, "text", \&cb)
2571		3198
2572	Queues a query to the client, calling the given callback with	3199	Queues a query to the client, calling the given callback with
…		…
2627	my ($ns, $buf) = @_;	3254	my ($ns, $buf) = @_;
2628		3255
2629	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3256	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2630		3257
2631	if (ref $msg) {	3258	if (ref $msg) {
2632	my ($type, $reply, @payload) =	3259	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2633	"ARRAY" eq ref $msg	3260
2634	? @$msg	3261	my @reply;
2635	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2636		3262
2637	if (my $cb = $EXTICMD{$type}) {	3263	if (my $cb = $EXTICMD{$type}) {
2638	my @reply = $cb->($ns, @payload);	3264	@reply = $cb->($ns, @payload);
2639
2640	$ns->ext_reply ($reply, @reply)
2641	if $reply;
2642	}	3265	}
		3266
		3267	$ns->ext_reply ($reply, @reply)
		3268	if $reply;
		3269
2643	} else {	3270	} else {
2644	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3271	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2645	}	3272	}
2646		3273
2647	cf::override;	3274	cf::override;
2648	},	3275	},
2649	);	3276	);
…		…
2669		3296
2670	$coro	3297	$coro
2671	}	3298	}
2672		3299
2673	cf::client->attach (	3300	cf::client->attach (
2674	on_destroy => sub {	3301	on_client_destroy => sub {
2675	my ($ns) = @_;	3302	my ($ns) = @_;
2676		3303
2677	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3304	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2678	},	3305	},
2679	);	3306	);
…		…
2695	our $safe_hole = new Safe::Hole;	3322	our $safe_hole = new Safe::Hole;
2696		3323
2697	$SIG{FPE} = 'IGNORE';	3324	$SIG{FPE} = 'IGNORE';
2698		3325
2699	$safe->permit_only (Opcode::opset qw(	3326	$safe->permit_only (Opcode::opset qw(
2700	:base_core :base_mem :base_orig :base_math	3327	:base_core :base_mem :base_orig :base_math :base_loop
2701	grepstart grepwhile mapstart mapwhile	3328	grepstart grepwhile mapstart mapwhile
2702	sort time	3329	sort time
2703	));	3330	));
2704		3331
2705	# here we export the classes and methods available to script code	3332	# here we export the classes and methods available to script code
…		…
2707	=pod	3334	=pod
2708		3335
2709	The following functions and methods are available within a safe environment:	3336	The following functions and methods are available within a safe environment:
2710		3337
2711	cf::object	3338	cf::object
2712	contr pay_amount pay_player map x y force_find force_add	3339	contr pay_amount pay_player map x y force_find force_add destroy
2713	insert remove name archname title slaying race	3340	insert remove name archname title slaying race decrease split
		3341	value
2714		3342
2715	cf::object::player	3343	cf::object::player
2716	player	3344	player
2717		3345
2718	cf::player	3346	cf::player
…		…
2723		3351
2724	=cut	3352	=cut
2725		3353
2726	for (	3354	for (
2727	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3355	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2728	insert remove inv name archname title slaying race)],	3356	insert remove inv nrof name archname title slaying race
		3357	decrease split destroy change_exp value msg lore send_msg)],
2729	["cf::object::player" => qw(player)],	3358	["cf::object::player" => qw(player)],
2730	["cf::player" => qw(peaceful)],	3359	["cf::player" => qw(peaceful send_msg)],
2731	["cf::map" => qw(trigger)],	3360	["cf::map" => qw(trigger)],
2732	) {	3361	) {
2733	no strict 'refs';
2734	my ($pkg, @funs) = @$_;	3362	my ($pkg, @funs) = @$_;
2735	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3363	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2736	for @funs;	3364	for @funs;
2737	}	3365	}
2738		3366
…		…
2753		3381
2754	my $qcode = $code;	3382	my $qcode = $code;
2755	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3383	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2756	$qcode =~ s/\n/\\n/g;	3384	$qcode =~ s/\n/\\n/g;
2757		3385
		3386	%vars = (_dummy => 0) unless %vars;
		3387
		3388	my @res;
2758	local $_;	3389	local $_;
2759	local @safe::cf::_safe_eval_args = values %vars;
2760		3390
2761	my $eval =	3391	my $eval =
2762	"do {\n"	3392	"do {\n"
2763	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3393	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2764	. "#line 0 \"{$qcode}\"\n"	3394	. "#line 0 \"{$qcode}\"\n"
2765	. $code	3395	. $code
2766	. "\n}"	3396	. "\n}"
2767	;	3397	;
2768		3398
		3399	if ($CFG{safe_eval}) {
2769	sub_generation_inc;	3400	sub_generation_inc;
		3401	local @safe::cf::_safe_eval_args = values %vars;
2770	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3402	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2771	sub_generation_inc;	3403	sub_generation_inc;
		3404	} else {
		3405	local @cf::_safe_eval_args = values %vars;
		3406	@res = wantarray ? eval eval : scalar eval $eval;
		3407	}
2772		3408
2773	if ($@) {	3409	if ($@) {
2774	warn "$@";	3410	warn "$@",
2775	warn "while executing safe code '$code'\n";	3411	"while executing safe code '$code'\n",
2776	warn "with arguments " . (join " ", %vars) . "\n";	3412	"with arguments " . (join " ", %vars) . "\n";
2777	}	3413	}
2778		3414
2779	wantarray ? @res : $res[0]	3415	wantarray ? @res : $res[0]
2780	}	3416	}
2781		3417
…		…
2795	=cut	3431	=cut
2796		3432
2797	sub register_script_function {	3433	sub register_script_function {
2798	my ($fun, $cb) = @_;	3434	my ($fun, $cb) = @_;
2799		3435
2800	no strict 'refs';	3436	$fun = "safe::$fun" if $CFG{safe_eval};
2801	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3437	*$fun = $safe_hole->wrap ($cb);
2802	}	3438	}
2803		3439
2804	=back	3440	=back
2805		3441
2806	=cut	3442	=cut
…		…
2809	# the server's init and main functions	3445	# the server's init and main functions
2810		3446
2811	sub load_facedata($) {	3447	sub load_facedata($) {
2812	my ($path) = @_;	3448	my ($path) = @_;
2813		3449
		3450	# HACK to clear player env face cache, we need some signal framework
		3451	# for this (global event?)
		3452	%ext::player_env::MUSIC_FACE_CACHE = ();
		3453
		3454	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3455
2814	warn "loading facedata from $path\n";	3456	trace "loading facedata from $path\n";
2815		3457
2816	my $facedata;	3458	my $facedata = decode_storable load_file $path;
2817	0 < aio_load $path, $facedata
2818	or die "$path: $!";
2819
2820	$facedata = Coro::Storable::thaw $facedata;
2821		3459
2822	$facedata->{version} == 2	3460	$facedata->{version} == 2
2823	or cf::cleanup "$path: version mismatch, cannot proceed.";	3461	or cf::cleanup "$path: version mismatch, cannot proceed.";
2824		3462
		3463	# patch in the exptable
		3464	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3465	$facedata->{resource}{"res/exp_table"} = {
		3466	type => FT_RSRC,
		3467	data => $exp_table,
		3468	hash => (Digest::MD5::md5 $exp_table),
		3469	};
		3470	cf::cede_to_tick;
		3471
2825	{	3472	{
2826	my $faces = $facedata->{faceinfo};	3473	my $faces = $facedata->{faceinfo};
2827		3474
2828	while (my ($face, $info) = each %$faces) {	3475	while (my ($face, $info) = each %$faces) {
2829	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3476	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3477
2830	cf::face::set_visibility $idx, $info->{visibility};	3478	cf::face::set_visibility $idx, $info->{visibility};
2831	cf::face::set_magicmap $idx, $info->{magicmap};	3479	cf::face::set_magicmap $idx, $info->{magicmap};
2832	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3480	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2833	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3481	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3482	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2834		3483
2835	cf::cede_to_tick;	3484	cf::cede_to_tick;
2836	}	3485	}
2837		3486
2838	while (my ($face, $info) = each %$faces) {	3487	while (my ($face, $info) = each %$faces) {
2839	next unless $info->{smooth};	3488	next unless $info->{smooth};
		3489
2840	my $idx = cf::face::find $face	3490	my $idx = cf::face::find $face
2841	or next;	3491	or next;
		3492
2842	if (my $smooth = cf::face::find $info->{smooth}) {	3493	if (my $smooth = cf::face::find $info->{smooth}) {
2843	cf::face::set_smooth $idx, $smooth;	3494	cf::face::set_smooth $idx, $smooth;
2844	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3495	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2845	} else {	3496	} else {
2846	warn "smooth face '$info->{smooth}' not found for face '$face'";	3497	error "smooth face '$info->{smooth}' not found for face '$face'";
2847	}	3498	}
2848		3499
2849	cf::cede_to_tick;	3500	cf::cede_to_tick;
2850	}	3501	}
2851	}	3502	}
…		…
2860		3511
2861	cf::anim::invalidate_all; # d'oh	3512	cf::anim::invalidate_all; # d'oh
2862	}	3513	}
2863		3514
2864	{	3515	{
2865	# TODO: for gcfclient pleasure, we should give resources
2866	# that gcfclient doesn't grok a >10000 face index.
2867	my $res = $facedata->{resource};	3516	my $res = $facedata->{resource};
2868	my $enc = JSON::XS->new->utf8->canonical;
2869
2870	my $soundconf = delete $res->{"res/sound.conf"};
2871		3517
2872	while (my ($name, $info) = each %$res) {	3518	while (my ($name, $info) = each %$res) {
2873	my $meta = $enc->encode ({	3519	if (defined (my $type = $info->{type})) {
2874	name => $name,	3520	# TODO: different hash - must free and use new index, or cache ixface data queue
2875	%{ $info->{meta} || {} },
2876	});
2877
2878	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3521	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2879		3522
2880	if ($info->{type} & 1) {
2881	# prepend meta info
2882
2883	my $data = pack "(w/a*)*", $meta, $info->{data};
2884	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2885
2886	cf::face::set_data $idx, 0, $data, $chk;	3523	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3524	cf::face::set_type $idx, $type;
		3525	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # any keys left are stashed into meta unless prepended
2887	} else {	3526	} else {
2888	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};	3527	# $RESOURCE{$name} = $info; # unused
2889	}	3528	}
2890		3529
2891	cf::face::set_type $idx, $info->{type};
2892
2893	cf::cede_to_tick;	3530	cf::cede_to_tick;
2894	}	3531	}
2895
2896	if ($soundconf) {
2897	$soundconf = $enc->decode (delete $soundconf->{data});
2898
2899	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2900	my $sound = $soundconf->{compat}[$_]
2901	or next;
2902
2903	my $face = cf::face::find "sound/$sound->[1]";
2904	cf::sound::set $sound->[0] => $face;
2905	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2906	}
2907
2908	while (my ($k, $v) = each %{$soundconf->{event}}) {
2909	my $face = cf::face::find "sound/$v";
2910	cf::sound::set $k => $face;
2911	}
2912	}
2913	}	3532	}
		3533
		3534	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2914		3535
2915	1	3536	1
2916	}	3537	}
2917		3538
2918	register_exticmd fx_want => sub {	3539	register_exticmd fx_want => sub {
…		…
2921	while (my ($k, $v) = each %$want) {	3542	while (my ($k, $v) = each %$want) {
2922	$ns->fx_want ($k, $v);	3543	$ns->fx_want ($k, $v);
2923	}	3544	}
2924	};	3545	};
2925		3546
		3547	sub load_resource_file($) {
		3548	my $guard = lock_acquire "load_resource_file";
		3549
		3550	my $status = load_resource_file_ $_[0];
		3551	get_slot 0.1, 100;
		3552	cf::arch::commit_load;
		3553
		3554	$status
		3555	}
		3556
2926	sub reload_regions {	3557	sub reload_regions {
		3558	# HACK to clear player env face cache, we need some signal framework
		3559	# for this (global event?)
		3560	%ext::player_env::MUSIC_FACE_CACHE = ();
		3561
2927	load_resource_file "$MAPDIR/regions"	3562	load_resource_file "$MAPDIR/regions"
2928	or die "unable to load regions file\n";	3563	or die "unable to load regions file\n";
2929		3564
2930	for (cf::region::list) {	3565	for (cf::region::list) {
2931	$_->{match} = qr/$_->{match}/	3566	$_->{match} = qr/$_->{match}/
…		…
2939	}	3574	}
2940		3575
2941	sub reload_archetypes {	3576	sub reload_archetypes {
2942	load_resource_file "$DATADIR/archetypes"	3577	load_resource_file "$DATADIR/archetypes"
2943	or die "unable to load archetypes\n";	3578	or die "unable to load archetypes\n";
2944	#d# NEED to laod twice to resolve forward references
2945	# this really needs to be done in an extra post-pass
2946	# (which needs to be synchronous, so solve it differently)
2947	load_resource_file "$DATADIR/archetypes"
2948	or die "unable to load archetypes\n";
2949	}	3579	}
2950		3580
2951	sub reload_treasures {	3581	sub reload_treasures {
2952	load_resource_file "$DATADIR/treasures"	3582	load_resource_file "$DATADIR/treasures"
2953	or die "unable to load treasurelists\n";	3583	or die "unable to load treasurelists\n";
2954	}	3584	}
2955		3585
		3586	sub reload_sound {
		3587	trace "loading sound config from $DATADIR/sound\n";
		3588
		3589	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3590
		3591	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3592	my $sound = $soundconf->{compat}[$_]
		3593	or next;
		3594
		3595	my $face = cf::face::find "sound/$sound->[1]";
		3596	cf::sound::set $sound->[0] => $face;
		3597	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3598	}
		3599
		3600	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3601	my $face = cf::face::find "sound/$v";
		3602	cf::sound::set $k => $face;
		3603	}
		3604	}
		3605
2956	sub reload_resources {	3606	sub reload_resources {
2957	warn "reloading resource files...\n";	3607	trace "reloading resource files...\n";
2958		3608
		3609	reload_exp_table;
		3610	reload_materials;
		3611	reload_facedata;
		3612	reload_sound;
		3613	reload_archetypes;
2959	reload_regions;	3614	reload_regions;
2960	reload_facedata;
2961	#reload_archetypes;#d#
2962	reload_archetypes;
2963	reload_treasures;	3615	reload_treasures;
2964		3616
2965	warn "finished reloading resource files\n";	3617	trace "finished reloading resource files\n";
2966	}	3618	}
2967		3619
2968	sub init {	3620	sub reload_config {
2969	reload_resources;	3621	trace "reloading config file...\n";
2970	}
2971		3622
2972	sub cfg_load {	3623	my $config = load_file "$CONFDIR/config";
2973	open my $fh, "<:utf8", "$CONFDIR/config"	3624	utf8::decode $config;
2974	or return;	3625	*CFG = decode_yaml $config;
2975		3626
2976	local $/;
2977	*CFG = YAML::Syck::Load <$fh>;
2978
2979	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3627	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2980		3628
2981	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3629	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2982	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3630	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2983		3631
2984	if (exists $CFG{mlockall}) {	3632	if (exists $CFG{mlockall}) {
…		…
2988	};	3636	};
2989	warn $@ if $@;	3637	warn $@ if $@;
2990	}	3638	}
2991	}	3639	}
2992		3640
		3641	sub pidfile() {
		3642	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3643	or die "$PIDFILE: $!";
		3644	flock $fh, &Fcntl::LOCK_EX
		3645	or die "$PIDFILE: flock: $!";
		3646	$fh
		3647	}
		3648
		3649	# make sure only one server instance is running at any one time
		3650	sub atomic {
		3651	my $fh = pidfile;
		3652
		3653	my $pid = <$fh>;
		3654	kill 9, $pid if $pid > 0;
		3655
		3656	seek $fh, 0, 0;
		3657	print $fh $$;
		3658	}
		3659
		3660	sub main_loop {
		3661	trace "EV::loop starting\n";
		3662	if (1) {
		3663	EV::loop;
		3664	}
		3665	trace "EV::loop returned\n";
		3666	goto &main_loop unless $REALLY_UNLOOP;
		3667	}
		3668
2993	sub main {	3669	sub main {
		3670	cf::init_globals; # initialise logging
		3671
		3672	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3673	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3674	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3675	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3676
		3677	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3678
2994	# we must not ever block the main coroutine	3679	# we must not ever block the main coroutine
2995	local $Coro::idle = sub {	3680	local $Coro::idle = sub {
2996	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3681	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2997	(async {	3682	(async {
2998	Event::one_event;	3683	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3684	EV::loop EV::LOOP_ONESHOT;
2999	})->prio (Coro::PRIO_MAX);	3685	})->prio (Coro::PRIO_MAX);
3000	};	3686	};
3001		3687
3002	cfg_load;	3688	evthread_start IO::AIO::poll_fileno;
		3689
		3690	cf::sync_job {
		3691	cf::incloader::init ();
		3692
		3693	cf::init_anim;
		3694	cf::init_attackmess;
		3695	cf::init_dynamic;
		3696
		3697	cf::load_settings;
		3698
		3699	reload_resources;
		3700	reload_config;
3003	db_init;	3701	db_init;
		3702
		3703	cf::init_uuid;
		3704	cf::init_signals;
		3705	cf::init_skills;
		3706
		3707	cf::init_beforeplay;
		3708
		3709	atomic;
		3710
3004	load_extensions;	3711	load_extensions;
3005		3712
3006	$TICK_WATCHER->start;	3713	utime time, time, $RUNTIMEFILE;
3007	Event::loop;	3714
		3715	# no (long-running) fork's whatsoever before this point(!)
		3716	use POSIX ();
		3717	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3718
		3719	cf::_post_init 0;
		3720	};
		3721
		3722	cf::object::thawer::errors_are_fatal 0;
		3723	info "parse errors in files are no longer fatal from this point on.\n";
		3724
		3725	AE::postpone {
		3726	undef &main; # free gobs of memory :)
		3727	};
		3728
		3729	goto &main_loop;
3008	}	3730	}
3009		3731
3010	#############################################################################	3732	#############################################################################
3011	# initialisation and cleanup	3733	# initialisation and cleanup
3012		3734
3013	# install some emergency cleanup handlers	3735	# install some emergency cleanup handlers
3014	BEGIN {	3736	BEGIN {
		3737	our %SIGWATCHER = ();
3015	for my $signal (qw(INT HUP TERM)) {	3738	for my $signal (qw(INT HUP TERM)) {
3016	Event->signal (	3739	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3017	reentrant => 0,
3018	data => WF_AUTOCANCEL,
3019	signal => $signal,
3020	prio => 0,
3021	cb => sub {
3022	cf::cleanup "SIG$signal";	3740	cf::cleanup "SIG$signal";
3023	},
3024	);	3741	};
3025	}	3742	}
3026	}	3743	}
3027		3744
3028	sub write_runtime {	3745	sub write_runtime_sync {
3029	my $runtime = "$LOCALDIR/runtime";	3746	my $t0 = AE::time;
3030		3747
3031	# first touch the runtime file to show we are still running:	3748	# first touch the runtime file to show we are still running:
3032	# the fsync below can take a very very long time.	3749	# the fsync below can take a very very long time.
3033		3750
3034	IO::AIO::aio_utime $runtime, undef, undef;	3751	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3035		3752
3036	my $guard = cf::lock_acquire "write_runtime";	3753	my $guard = cf::lock_acquire "write_runtime";
3037		3754
3038	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3755	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3039	or return;	3756	or return;
3040		3757
3041	my $value = $cf::RUNTIME + 90 + 10;	3758	my $value = $cf::RUNTIME + 90 + 10;
3042	# 10 is the runtime save interval, for a monotonic clock	3759	# 10 is the runtime save interval, for a monotonic clock
3043	# 60 allows for the watchdog to kill the server.	3760	# 60 allows for the watchdog to kill the server.
…		…
3053	aio_utime $fh, undef, undef;	3770	aio_utime $fh, undef, undef;
3054		3771
3055	close $fh	3772	close $fh
3056	or return;	3773	or return;
3057		3774
3058	aio_rename "$runtime~", $runtime	3775	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3059	and return;	3776	and return;
3060		3777
3061	warn "runtime file written.\n";	3778	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3062		3779
3063	1	3780	1
		3781	}
		3782
		3783	our $uuid_lock;
		3784	our $uuid_skip;
		3785
		3786	sub write_uuid_sync($) {
		3787	$uuid_skip ||= $_[0];
		3788
		3789	return if $uuid_lock;
		3790	local $uuid_lock = 1;
		3791
		3792	my $uuid = "$LOCALDIR/uuid";
		3793
		3794	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3795	or return;
		3796
		3797	my $value = uuid_seq uuid_cur;
		3798
		3799	unless ($value) {
		3800	info "cowardly refusing to write zero uuid value!\n";
		3801	return;
		3802	}
		3803
		3804	my $value = uuid_str $value + $uuid_skip;
		3805	$uuid_skip = 0;
		3806
		3807	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3808	and return;
		3809
		3810	# always fsync - this file is important
		3811	aio_fsync $fh
		3812	and return;
		3813
		3814	close $fh
		3815	or return;
		3816
		3817	aio_rename "$uuid~", $uuid
		3818	and return;
		3819
		3820	trace "uuid file written ($value).\n";
		3821
		3822	1
		3823
		3824	}
		3825
		3826	sub write_uuid($$) {
		3827	my ($skip, $sync) = @_;
		3828
		3829	$sync ? write_uuid_sync $skip
		3830	: async { write_uuid_sync $skip };
3064	}	3831	}
3065		3832
3066	sub emergency_save() {	3833	sub emergency_save() {
3067	my $freeze_guard = cf::freeze_mainloop;	3834	my $freeze_guard = cf::freeze_mainloop;
3068		3835
3069	warn "enter emergency perl save\n";	3836	info "emergency_perl_save: enter\n";
		3837
		3838	# this is a trade-off: we want to be very quick here, so
		3839	# save all maps without fsync, and later call a global sync
		3840	# (which in turn might be very very slow)
		3841	local $USE_FSYNC = 0;
3070		3842
3071	cf::sync_job {	3843	cf::sync_job {
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
3072	# use a peculiar iteration method to avoid tripping on perl	3846	# use a peculiar iteration method to avoid tripping on perl
3073	# refcount bugs in for. also avoids problems with players	3847	# refcount bugs in for. also avoids problems with players
3074	# and maps saved/destroyed asynchronously.	3848	# and maps saved/destroyed asynchronously.
3075	warn "begin emergency player save\n";	3849	info "emergency_perl_save: begin player save\n";
3076	for my $login (keys %cf::PLAYER) {	3850	for my $login (keys %cf::PLAYER) {
3077	my $pl = $cf::PLAYER{$login} or next;	3851	my $pl = $cf::PLAYER{$login} or next;
3078	$pl->valid or next;	3852	$pl->valid or next;
		3853	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3079	$pl->save;	3854	$pl->save;
3080	}	3855	}
3081	warn "end emergency player save\n";	3856	info "emergency_perl_save: end player save\n";
3082		3857
3083	warn "begin emergency map save\n";	3858	cf::write_runtime_sync; # external watchdog should not bark
		3859
		3860	info "emergency_perl_save: begin map save\n";
3084	for my $path (keys %cf::MAP) {	3861	for my $path (keys %cf::MAP) {
3085	my $map = $cf::MAP{$path} or next;	3862	my $map = $cf::MAP{$path} or next;
3086	$map->valid or next;	3863	$map->valid or next;
3087	$map->save;	3864	$map->save;
3088	}	3865	}
3089	warn "end emergency map save\n";	3866	info "emergency_perl_save: end map save\n";
3090		3867
3091	warn "begin emergency database checkpoint\n";	3868	cf::write_runtime_sync; # external watchdog should not bark
		3869
		3870	info "emergency_perl_save: begin database checkpoint\n";
3092	BDB::db_env_txn_checkpoint $DB_ENV;	3871	BDB::db_env_txn_checkpoint $DB_ENV;
3093	warn "end emergency database checkpoint\n";	3872	info "emergency_perl_save: end database checkpoint\n";
		3873
		3874	info "emergency_perl_save: begin write uuid\n";
		3875	write_uuid_sync 1;
		3876	info "emergency_perl_save: end write uuid\n";
		3877
		3878	cf::write_runtime_sync; # external watchdog should not bark
		3879
		3880	trace "emergency_perl_save: syncing database to disk";
		3881	BDB::db_env_txn_checkpoint $DB_ENV;
		3882
		3883	info "emergency_perl_save: starting sync\n";
		3884	IO::AIO::aio_sync sub {
		3885	info "emergency_perl_save: finished sync\n";
		3886	};
		3887
		3888	cf::write_runtime_sync; # external watchdog should not bark
		3889
		3890	trace "emergency_perl_save: flushing outstanding aio requests";
		3891	while (IO::AIO::nreqs || BDB::nreqs) {
		3892	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3893	}
		3894
		3895	cf::write_runtime_sync; # external watchdog should not bark
3094	};	3896	};
3095		3897
3096	warn "leave emergency perl save\n";	3898	info "emergency_perl_save: leave\n";
3097	}	3899	}
3098		3900
3099	sub post_cleanup {	3901	sub post_cleanup {
3100	my ($make_core) = @_;	3902	my ($make_core) = @_;
3101		3903
		3904	IO::AIO::flush;
		3905
3102	warn Carp::longmess "post_cleanup backtrace"	3906	error Carp::longmess "post_cleanup backtrace"
3103	if $make_core;	3907	if $make_core;
		3908
		3909	my $fh = pidfile;
		3910	unlink $PIDFILE if <$fh> == $$;
		3911	}
		3912
		3913	# a safer delete_package, copied from Symbol
		3914	sub clear_package($) {
		3915	my $pkg = shift;
		3916
		3917	# expand to full symbol table name if needed
		3918	unless ($pkg =~ /^main::.*::$/) {
		3919	$pkg = "main$pkg" if $pkg =~ /^::/;
		3920	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3921	$pkg .= '::' unless $pkg =~ /::$/;
		3922	}
		3923
		3924	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3925	my $stem_symtab = *{$stem}{HASH};
		3926
		3927	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3928	or return;
		3929
		3930	# clear all symbols
		3931	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3932	for my $name (keys %$leaf_symtab) {
		3933	_gv_clear *{"$pkg$name"};
		3934	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3935	}
3104	}	3936	}
3105		3937
3106	sub do_reload_perl() {	3938	sub do_reload_perl() {
3107	# can/must only be called in main	3939	# can/must only be called in main
3108	if ($Coro::current != $Coro::main) {	3940	unless (in_main) {
3109	warn "can only reload from main coroutine";	3941	error "can only reload from main coroutine";
3110	return;	3942	return;
3111	}	3943	}
3112		3944
3113	warn "reloading...";	3945	return if $RELOAD++;
3114		3946
3115	warn "entering sync_job";	3947	my $t1 = AE::time;
3116		3948
		3949	while ($RELOAD) {
		3950	cf::get_slot 0.1, -1, "reload_perl";
		3951	info "perl_reload: reloading...";
		3952
		3953	trace "perl_reload: entering sync_job";
		3954
3117	cf::sync_job {	3955	cf::sync_job {
3118	cf::write_runtime; # external watchdog should not bark
3119	cf::emergency_save;	3956	#cf::emergency_save;
3120	cf::write_runtime; # external watchdog should not bark
3121		3957
3122	warn "syncing database to disk";
3123	BDB::db_env_txn_checkpoint $DB_ENV;
3124
3125	# if anything goes wrong in here, we should simply crash as we already saved
3126
3127	warn "cancelling all WF_AUTOCANCEL watchers";
3128	for (Event::all_watchers) {
3129	$_->cancel if $_->data & WF_AUTOCANCEL;
3130	}
3131
3132	warn "flushing outstanding aio requests";
3133	for (;;) {
3134	BDB::flush;
3135	IO::AIO::flush;
3136	Coro::cede;
3137	last unless IO::AIO::nreqs || BDB::nreqs;
3138	warn "iterate...";
3139	}
3140
3141	++$RELOAD;
3142
3143	warn "cancelling all extension coros";	3958	trace "perl_reload: cancelling all extension coros";
3144	$_->cancel for values %EXT_CORO;	3959	$_->cancel for values %EXT_CORO;
3145	%EXT_CORO = ();	3960	%EXT_CORO = ();
3146		3961
3147	warn "removing commands";	3962	trace "perl_reload: removing commands";
3148	%COMMAND = ();	3963	%COMMAND = ();
3149		3964
3150	warn "removing ext/exti commands";	3965	trace "perl_reload: removing ext/exti commands";
3151	%EXTCMD = ();	3966	%EXTCMD = ();
3152	%EXTICMD = ();	3967	%EXTICMD = ();
3153		3968
3154	warn "unloading/nuking all extensions";	3969	trace "perl_reload: unloading/nuking all extensions";
3155	for my $pkg (@EXTS) {	3970	for my $pkg (@EXTS) {
3156	warn "... unloading $pkg";	3971	trace "... unloading $pkg";
3157		3972
3158	if (my $cb = $pkg->can ("unload")) {	3973	if (my $cb = $pkg->can ("unload")) {
3159	eval {	3974	eval {
3160	$cb->($pkg);	3975	$cb->($pkg);
3161	1	3976	1
3162	} or warn "$pkg unloaded, but with errors: $@";	3977	} or error "$pkg unloaded, but with errors: $@";
		3978	}
		3979
		3980	trace "... clearing $pkg";
		3981	clear_package $pkg;
3163	}	3982	}
3164		3983
3165	warn "... nuking $pkg";
3166	Symbol::delete_package $pkg;
3167	}
3168
3169	warn "unloading all perl modules loaded from $LIBDIR";	3984	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3170	while (my ($k, $v) = each %INC) {	3985	while (my ($k, $v) = each %INC) {
3171	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3986	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3172		3987
3173	warn "... unloading $k";	3988	trace "... unloading $k";
3174	delete $INC{$k};	3989	delete $INC{$k};
3175		3990
3176	$k =~ s/\.pm$//;	3991	$k =~ s/\.pm$//;
3177	$k =~ s/\//::/g;	3992	$k =~ s/\//::/g;
3178		3993
3179	if (my $cb = $k->can ("unload_module")) {	3994	if (my $cb = $k->can ("unload_module")) {
3180	$cb->();	3995	$cb->();
		3996	}
		3997
		3998	clear_package $k;
3181	}	3999	}
3182		4000
3183	Symbol::delete_package $k;
3184	}
3185
3186	warn "getting rid of safe::, as good as possible";	4001	trace "perl_reload: getting rid of safe::, as good as possible";
3187	Symbol::delete_package "safe::$_"	4002	clear_package "safe::$_"
3188	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4003	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3189		4004
3190	warn "unloading cf.pm \"a bit\"";	4005	trace "perl_reload: unloading cf.pm \"a bit\"";
3191	delete $INC{"cf.pm"};	4006	delete $INC{"cf.pm"};
3192	delete $INC{"cf/pod.pm"};	4007	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3193		4008
3194	# don't, removes xs symbols, too,	4009	# don't, removes xs symbols, too,
3195	# and global variables created in xs	4010	# and global variables created in xs
3196	#Symbol::delete_package __PACKAGE__;	4011	#clear_package __PACKAGE__;
3197		4012
3198	warn "unload completed, starting to reload now";	4013	info "perl_reload: unload completed, starting to reload now";
3199		4014
3200	warn "reloading cf.pm";	4015	trace "perl_reload: reloading cf.pm";
3201	require cf;	4016	require cf;
3202	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4017	cf::_connect_to_perl_1;
3203		4018
3204	warn "loading config and database again";	4019	trace "perl_reload: loading config and database again";
3205	cf::cfg_load;	4020	cf::reload_config;
3206		4021
3207	warn "loading extensions";	4022	trace "perl_reload: loading extensions";
3208	cf::load_extensions;	4023	cf::load_extensions;
3209		4024
		4025	if ($REATTACH_ON_RELOAD) {
3210	warn "reattaching attachments to objects/players";	4026	trace "perl_reload: reattaching attachments to objects/players";
3211	_global_reattach; # objects, sockets	4027	_global_reattach; # objects, sockets
3212	warn "reattaching attachments to maps";	4028	trace "perl_reload: reattaching attachments to maps";
3213	reattach $_ for values %MAP;	4029	reattach $_ for values %MAP;
3214	warn "reattaching attachments to players";	4030	trace "perl_reload: reattaching attachments to players";
3215	reattach $_ for values %PLAYER;	4031	reattach $_ for values %PLAYER;
		4032	}
3216		4033
3217	warn "leaving sync_job";	4034	cf::_post_init 1;
3218		4035
		4036	trace "perl_reload: leaving sync_job";
		4037
3219	1	4038	1
3220	} or do {	4039	} or do {
3221	warn $@;	4040	error $@;
3222	warn "error while reloading, exiting.";	4041	cf::cleanup "perl_reload: error, exiting.";
3223	exit 1;	4042	};
		4043
		4044	--$RELOAD;
3224	};	4045	}
3225		4046
3226	warn "reloaded";	4047	$t1 = AE::time - $t1;
		4048	info "perl_reload: completed in ${t1}s\n";
3227	};	4049	};
3228		4050
3229	our $RELOAD_WATCHER; # used only during reload	4051	our $RELOAD_WATCHER; # used only during reload
3230		4052
3231	sub reload_perl() {	4053	sub reload_perl() {
3232	# doing reload synchronously and two reloads happen back-to-back,	4054	# doing reload synchronously and two reloads happen back-to-back,
3233	# coro crashes during coro_state_free->destroy here.	4055	# coro crashes during coro_state_free->destroy here.
3234		4056
3235	$RELOAD_WATCHER ||= Event->timer (	4057	$RELOAD_WATCHER ||= cf::async {
3236	reentrant => 0,	4058	Coro::AIO::aio_wait cache_extensions;
3237	after => 0,	4059
3238	data => WF_AUTOCANCEL,	4060	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3239	cb => sub {
3240	do_reload_perl;	4061	do_reload_perl;
3241	undef $RELOAD_WATCHER;	4062	undef $RELOAD_WATCHER;
3242	},	4063	};
3243	);	4064	};
3244	}	4065	}
3245		4066
3246	register_command "reload" => sub {	4067	register_command "reload" => sub {
3247	my ($who, $arg) = @_;	4068	my ($who, $arg) = @_;
3248		4069
3249	if ($who->flag (FLAG_WIZ)) {	4070	if ($who->flag (FLAG_WIZ)) {
3250	$who->message ("reloading server.");	4071	$who->message ("reloading server.");
		4072	async {
		4073	$Coro::current->{desc} = "perl_reload";
3251	async { reload_perl };	4074	reload_perl;
		4075	};
3252	}	4076	}
3253	};	4077	};
3254		4078
3255	unshift @INC, $LIBDIR;	4079	#############################################################################
3256		4080
3257	my $bug_warning = 0;	4081	my $bug_warning = 0;
3258		4082
3259	our @WAIT_FOR_TICK;
3260	our @WAIT_FOR_TICK_BEGIN;
3261
3262	sub wait_for_tick {	4083	sub wait_for_tick() {
3263	return unless $TICK_WATCHER->is_active;	4084	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3264	return if $Coro::current == $Coro::main;
3265		4085
3266	my $signal = new Coro::Signal;	4086	$WAIT_FOR_TICK->wait;
3267	push @WAIT_FOR_TICK, $signal;
3268	$signal->wait;
3269	}	4087	}
3270		4088
3271	sub wait_for_tick_begin {	4089	sub wait_for_tick_begin() {
3272	return unless $TICK_WATCHER->is_active;	4090	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3273	return if $Coro::current == $Coro::main;
3274		4091
3275	my $signal = new Coro::Signal;	4092	my $signal = new Coro::Signal;
3276	push @WAIT_FOR_TICK_BEGIN, $signal;	4093	push @WAIT_FOR_TICK_BEGIN, $signal;
3277	$signal->wait;	4094	$signal->wait;
3278	}	4095	}
3279		4096
3280	my $min = 1e6;#d#	4097	sub tick {
3281	my $avg = 10;
3282	$TICK_WATCHER = Event->timer (
3283	reentrant => 0,
3284	parked => 1,
3285	prio => 0,
3286	at => $NEXT_TICK || $TICK,
3287	data => WF_AUTOCANCEL,
3288	cb => sub {
3289	if ($Coro::current != $Coro::main) {	4098	if ($Coro::current != $Coro::main) {
3290	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4099	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3291	unless ++$bug_warning > 10;	4100	unless ++$bug_warning > 10;
3292	return;	4101	return;
3293	}	4102	}
3294		4103
3295	$NOW = $tick_start = Event::time;	4104	cf::one_tick; # one server iteration
3296		4105
3297	cf::server_tick; # one server iteration	4106	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3298		4107
3299	0 && sync_job {#d#	4108	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3300	for(1..10) {	4109	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3301	my $t = Event::time;	4110	Coro::async_pool {
3302	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4111	$Coro::current->{desc} = "runtime saver";
3303	or die;	4112	write_runtime_sync
3304		4113	or error "ERROR: unable to write runtime file: $!";
3305	$map->width (50);
3306	$map->height (50);
3307	$map->alloc;
3308	$map->_load_objects ("/tmp/x.map", 1);
3309	my $t = Event::time - $t;
3310
3311	#next unless $t < 0.0013;#d#
3312	if ($t < $min) {
3313	$min = $t;
3314	}
3315	$avg = $avg * 0.99 + $t * 0.01;
3316	}
3317	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3318	exit 0;
3319	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3320	};	4114	};
		4115	}
3321		4116
3322	$RUNTIME += $TICK;
3323	$NEXT_TICK += $TICK;
3324
3325	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3326	$NEXT_RUNTIME_WRITE = $NOW + 10;
3327	Coro::async_pool {
3328	write_runtime
3329	or warn "ERROR: unable to write runtime file: $!";
3330	};
3331	}
3332
3333	# my $AFTER = Event::time;
3334	# warn $AFTER - $NOW;#d#
3335
3336	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4117	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3337	$sig->send;	4118	$sig->send;
3338	}	4119	}
3339	while (my $sig = shift @WAIT_FOR_TICK) {	4120	$WAIT_FOR_TICK->broadcast;
3340	$sig->send;
3341	}
3342		4121
3343	$NOW = Event::time;	4122	$LOAD = ($NOW - $TICK_START) / $TICK;
3344
3345	# if we are delayed by four ticks or more, skip them all
3346	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3347
3348	$TICK_WATCHER->at ($NEXT_TICK);
3349	$TICK_WATCHER->start;
3350
3351	$LOAD = ($NOW - $tick_start) / $TICK;
3352	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4123	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3353		4124
3354	_post_tick;	4125	if (0) {
3355		4126	if ($NEXT_TICK) {
3356		4127	my $jitter = $TICK_START - $NEXT_TICK;
		4128	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4129	debug "jitter $JITTER\n";#d#
		4130	}
3357	},	4131	}
3358	);	4132	}
3359		4133
3360	{	4134	{
3361	BDB::max_poll_time $TICK * 0.1;	4135	# configure BDB
3362	$BDB_POLL_WATCHER = Event->io (	4136
3363	reentrant => 0,
3364	fd => BDB::poll_fileno,
3365	poll => 'r',
3366	prio => 0,
3367	data => WF_AUTOCANCEL,
3368	cb => \&BDB::poll_cb,
3369	);
3370	BDB::min_parallel 8;	4137	BDB::min_parallel 16;
3371		4138	BDB::max_poll_reqs $TICK * 0.1;
3372	BDB::set_sync_prepare {	4139	#$AnyEvent::BDB::WATCHER->priority (1);
3373	my $status;
3374	my $current = $Coro::current;
3375	(
3376	sub {
3377	$status = $!;
3378	$current->ready; undef $current;
3379	},
3380	sub {
3381	Coro::schedule while defined $current;
3382	$! = $status;
3383	},
3384	)
3385	};
3386		4140
3387	unless ($DB_ENV) {	4141	unless ($DB_ENV) {
3388	$DB_ENV = BDB::db_env_create;	4142	$DB_ENV = BDB::db_env_create;
		4143	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4144	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4145	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4146	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4147	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3389		4148
3390	cf::sync_job {	4149	cf::sync_job {
3391	eval {	4150	eval {
3392	BDB::db_env_open	4151	BDB::db_env_open
3393	$DB_ENV,	4152	$DB_ENV,
…		…
3395	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4154	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3396	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4155	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3397	0666;	4156	0666;
3398		4157
3399	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4158	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3400
3401	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3402	$DB_ENV->set_lk_detect;
3403	};	4159	};
3404		4160
3405	cf::cleanup "db_env_open(db): $@" if $@;	4161	cf::cleanup "db_env_open(db): $@" if $@;
3406	};	4162	};
3407	}	4163	}
		4164
		4165	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4166	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4167	};
		4168	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4169	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4170	};
		4171	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4172	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4173	};
3408	}	4174	}
3409		4175
3410	{	4176	{
		4177	# configure IO::AIO
		4178
3411	IO::AIO::min_parallel 8;	4179	IO::AIO::min_parallel 8;
3412
3413	undef $Coro::AIO::WATCHER;
3414	IO::AIO::max_poll_time $TICK * 0.1;	4180	IO::AIO::max_poll_time $TICK * 0.1;
3415	$AIO_POLL_WATCHER = Event->io (	4181	undef $AnyEvent::AIO::WATCHER;
3416	reentrant => 0,
3417	data => WF_AUTOCANCEL,
3418	fd => IO::AIO::poll_fileno,
3419	poll => 'r',
3420	prio => 6,
3421	cb => \&IO::AIO::poll_cb,
3422	);
3423	}	4182	}
3424		4183
3425	my $_log_backtrace;	4184	our $_log_backtrace;
		4185	our $_log_backtrace_last;
3426		4186
3427	sub _log_backtrace {	4187	sub _log_backtrace {
3428	my ($msg, @addr) = @_;	4188	my ($msg, @addr) = @_;
3429		4189
3430	$msg =~ s/\n//;	4190	$msg =~ s/\n$//;
3431		4191
		4192	if ($_log_backtrace_last eq $msg) {
		4193	LOG llevInfo, "[ABT] $msg\n";
		4194	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3432	# limit the # of concurrent backtraces	4195	# limit the # of concurrent backtraces
3433	if ($_log_backtrace < 2) {	4196	} elsif ($_log_backtrace < 2) {
		4197	$_log_backtrace_last = $msg;
3434	++$_log_backtrace;	4198	++$_log_backtrace;
		4199	my $perl_bt = Carp::longmess $msg;
3435	async {	4200	async {
		4201	$Coro::current->{desc} = "abt $msg";
		4202
3436	my @bt = fork_call {	4203	my @bt = fork_call {
3437	@addr = map { sprintf "%x", $_ } @addr;	4204	@addr = map { sprintf "%x", $_ } @addr;
3438	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4205	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3439	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4206	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3440	or die "addr2line: $!";	4207	or die "addr2line: $!";
…		…
3448	}	4215	}
3449		4216
3450	@funcs	4217	@funcs
3451	};	4218	};
3452		4219
3453	LOG llevInfo, "[ABT] $msg\n";	4220	LOG llevInfo, "[ABT] $perl_bt\n";
		4221	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3454	LOG llevInfo, "[ABT] $_\n" for @bt;	4222	LOG llevInfo, "[ABT] $_\n" for @bt;
3455	--$_log_backtrace;	4223	--$_log_backtrace;
3456	};	4224	};
3457	} else {	4225	} else {
3458	LOG llevInfo, "[ABT] $msg\n";	4226	LOG llevInfo, "[ABT] $msg\n";
3459	LOG llevInfo, "[ABT] [suppressed]\n";	4227	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3460	}	4228	}
3461	}	4229	}
3462		4230
3463	# load additional modules	4231	# load additional modules
3464	use cf::pod;	4232	require "cf/$_.pm" for @EXTRA_MODULES;
		4233	cf::_connect_to_perl_2;
3465		4234
3466	END { cf::emergency_save }	4235	END { cf::emergency_save }
3467		4236
3468	1	4237	1
3469		4238

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