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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.336 by root, Tue Aug 21 00:31:18 2007 UTC vs.
Revision 1.571 by root, Wed May 4 19:04:45 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 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
…		…
1149	my ($type, $reply, @payload) =	1466	my ($type, $reply, @payload) =
1150	"ARRAY" eq ref $msg	1467	"ARRAY" eq ref $msg
1151	? @$msg	1468	? @$msg
1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	1469	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1153		1470
		1471	my @reply;
		1472
1154	if (my $cb = $EXTCMD{$type}) {	1473	if (my $cb = $EXTCMD{$type}) {
1155	my @reply = $cb->($pl, @payload);	1474	@reply = $cb->($pl, @payload);
1156
1157	$pl->ext_reply ($reply, @reply)
1158	if $reply;
1159	}	1475	}
		1476
		1477	$pl->ext_reply ($reply, @reply)
		1478	if $reply;
		1479
1160	} else {	1480	} else {
1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1162	}	1482	}
1163		1483
1164	cf::override;	1484	cf::override;
1165	},	1485	},
1166	);	1486	);
1167		1487
		1488	# "readahead" all extensions
		1489	sub cache_extensions {
		1490	my $grp = IO::AIO::aio_group;
		1491
		1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1493	for (grep /\.ext$/, @{$_[0]}) {
		1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1495	}
		1496	};
		1497
		1498	$grp
		1499	}
		1500
1168	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
1169	cf::sync_job {	1504	cf::sync_job {
1170	my %todo;	1505	my %todo;
1171		1506
1172	for my $path (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
1173	next unless -r $path;	1508	next unless -r $path;
…		…
1191		1526
1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1527	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1528	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1194		1529
1195	$ext{source} =	1530	$ext{source} =
1196	"package $pkg; use strict; use utf8;\n"	1531	"package $pkg; use common::sense;\n"
1197	. "#line 1 \"$path\"\n{\n"	1532	. "#line 1 \"$path\"\n{\n"
1198	. $source	1533	. $source
1199	. "\n};\n1";	1534	. "\n};\n1";
1200		1535
1201	$todo{$base} = \%ext;	1536	$todo{$base} = \%ext;
1202	}	1537	}
1203		1538
		1539	my $pass = 0;
1204	my %done;	1540	my %done;
1205	while (%todo) {	1541	while (%todo) {
1206	my $progress;	1542	my $progress;
1207		1543
		1544	++$pass;
		1545
		1546	ext:
1208	while (my ($k, $v) = each %todo) {	1547	while (my ($k, $v) = each %todo) {
1209	for (split /,\s*/, $v->{meta}{depends}) {	1548	for (split /,\s*/, $v->{meta}{depends}) {
1210	goto skip	1549	next ext
1211	unless exists $done{$_};	1550	unless exists $done{$_};
1212	}	1551	}
1213		1552
1214	warn "... loading '$k' into '$v->{pkg}'\n";	1553	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1215		1554
1216	unless (eval $v->{source}) {	1555	my $active = eval $v->{source};
		1556
		1557	if (length $@) {
1217	my $msg = $@ ? "$v->{path}: $@\n"	1558	error "$v->{path}: $@\n";
1218	: "$v->{base}: extension inactive.\n";
1219		1559
		1560	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1220	if (exists $v->{meta}{mandatory}) {	1561	if exists $v->{meta}{mandatory};
1221	warn $msg;	1562
1222	warn "mandatory extension failed to load, exiting.\n";	1563	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1223	exit 1;	1564	delete $todo{$k};
1224	}	1565	} else {
1225		1566	$done{$k} = delete $todo{$k};
1226	warn $msg;	1567	push @EXTS, $v->{pkg};
		1568	$progress = 1;
		1569
		1570	info "$v->{base}: extension inactive.\n"
		1571	unless $active;
1227	}	1572	}
1228
1229	$done{$k} = delete $todo{$k};
1230	push @EXTS, $v->{pkg};
1231	$progress = 1;
1232	}	1573	}
1233		1574
1234	skip:	1575	unless ($progress) {
1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1576	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1236	unless $progress;	1577
		1578	while (my ($k, $v) = each %todo) {
		1579	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1580	if exists $v->{meta}{mandatory};
		1581	}
		1582
		1583	last;
		1584	}
1237	}	1585	}
1238	};	1586	};
1239	}	1587	}
1240		1588
1241	#############################################################################	1589	#############################################################################
1242		1590
1243	=back	1591	=back
1244		1592
1245	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
1246		1594
1247	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
1248		1596
1249	=cut	1597	=cut
1250		1598
1251	package cf::player;	1599	package cf::player;
1252		1600
1253	use Coro::AIO;	1601	use Coro::AIO;
1254		1602
1255	=head3 cf::player	1603	=head3 cf::player
1256		1604
1257	=over 4	1605	=over 4
		1606
		1607	=item cf::player::num_playing
		1608
		1609	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1610
		1611	=cut
		1612
		1613	sub num_playing {
		1614	scalar grep
		1615	$_->ob->map
		1616	&& !$_->hidden
		1617	&& !$_->ob->flag (cf::FLAG_WIZ),
		1618	cf::player::list
		1619	}
1258		1620
1259	=item cf::player::find $login	1621	=item cf::player::find $login
1260		1622
1261	Returns the given player object, loading it if necessary (might block).	1623	Returns the given player object, loading it if necessary (might block).
1262		1624
…		…
1281		1643
1282	sub exists($) {	1644	sub exists($) {
1283	my ($login) = @_;	1645	my ($login) = @_;
1284		1646
1285	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
1286	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
1287	}	1649	}
1288		1650
1289	sub find($) {	1651	sub find($) {
1290	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
1291	my $login = $_[0];	1653	my $login = $_[0];
…		…
1298	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1660	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1299	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1661	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1300	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1662	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1301	aio_unlink +(playerdir $login) . "/$login.pl";	1663	aio_unlink +(playerdir $login) . "/$login.pl";
1302		1664
1303	my $pl = load_pl path $login	1665	my $f = new_from_file cf::object::thawer path $login
1304	or return;	1666	or return;
		1667
		1668	my $pl = cf::player::load_pl $f
		1669	or return;
		1670
		1671	local $cf::PLAYER_LOADING{$login} = $pl;
		1672	$f->resolve_delayed_derefs;
1305	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
1306	}	1674	}
1307	}	1675	}
1308	}	1676	}
		1677
		1678	cf::player->attach (
		1679	on_load => sub {
		1680	my ($pl, $path) = @_;
		1681
		1682	# restore slots saved in save, below
		1683	my $slots = delete $pl->{_slots};
		1684
		1685	$pl->ob->current_weapon ($slots->[0]);
		1686	$pl->combat_ob ($slots->[1]);
		1687	$pl->ranged_ob ($slots->[2]);
		1688	},
		1689	);
1309		1690
1310	sub save($) {	1691	sub save($) {
1311	my ($pl) = @_;	1692	my ($pl) = @_;
1312		1693
1313	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
…		…
1318	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1319		1700
1320	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1321	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
1322		1703
		1704	cf::get_slot 0.01;
		1705
		1706	# save slots, to be restored later
		1707	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1708
1323	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1324	Coro::cede;	1710	cf::cede_to_tick;
1325	}	1711	}
1326		1712
1327	sub new($) {	1713	sub new($) {
1328	my ($login) = @_;	1714	my ($login) = @_;
1329		1715
…		…
1358	my ($pl) = @_;	1744	my ($pl) = @_;
1359		1745
1360	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1361		1747
1362	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1363	$pl->password ("*"); # this should lock out the player until we nuked the dir	1749	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1364		1750
1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1366	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1367	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1368	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1369		1759
1370	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1371	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1372	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1407	or return [];	1797	or return [];
1408		1798
1409	my @logins;	1799	my @logins;
1410		1800
1411	for my $login (@$dirs) {	1801	for my $login (@$dirs) {
		1802	my $path = path $login;
		1803
		1804	# a .pst is a dead give-away for a valid player
		1805	# if no pst file found, open and chekc for blocked users
		1806	if (aio_stat "$path.pst") {
1412	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1413	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1414	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1810	}
1415		1811
1416	utf8::decode $login;	1812	utf8::decode $login;
1417	push @logins, $login;	1813	push @logins, $login;
1418	}	1814	}
1419		1815
1420	\@logins	1816	\@logins
1421	}	1817	}
1422		1818
1423	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1424		1822
1425	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1426	player. May block.	1824	player. May block.
1427		1825
1428	=cut	1826	=cut
…		…
1446	}	1844	}
1447		1845
1448	\@paths	1846	\@paths
1449	}	1847	}
1450		1848
1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1452		1850
1453	Expand crossfire pod fragments into protocol xml.	1851	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		1852
1501	=item $player->ext_reply ($msgid, @msg)	1853	=item $player->ext_reply ($msgid, @msg)
1502		1854
1503	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1504		1856
…		…
1536		1888
1537	=cut	1889	=cut
1538		1890
1539	sub find_by_path($) {	1891	sub find_by_path($) {
1540	my ($path) = @_;	1892	my ($path) = @_;
		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
1541		1895
1542	my ($match, $specificity);	1896	my ($match, $specificity);
1543		1897
1544	for my $region (list) {	1898	for my $region (list) {
1545	if ($region->{match} && $path =~ $region->{match}) {	1899	if ($region->{match} && $path =~ $region->{match}) {
…		…
1571	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1572	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1573		1927
1574	sub generate_random_map {	1928	sub generate_random_map {
1575	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1576	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1577	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1578	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1579	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1580	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1581	$rmp->{exit_on_final_map},
1582	$rmp->{xsize}, $rmp->{ysize},
1583	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1584	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1585	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1586	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1587	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1588	(cf::region::find $rmp->{region}), $rmp->{custom}
1589	)
1590	}	1934	}
1591		1935
1592	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1593		1937
1594	Register a handler for the map path matching the given regex at the	1938	Register a handler for the map path matching the given regex at the
…		…
1599		1943
1600	sub register {	1944	sub register {
1601	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1602	my $pkg = caller;	1946	my $pkg = caller;
1603		1947
1604	no strict;
1605	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1606		1949
1607	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1608	}	1951	}
1609		1952
1610	# also paths starting with '/'	1953	# also paths starting with '/'
1611	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1612		1955
1613	sub thawer_merge {	1956	sub thawer_merge {
1614	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1615		1958
1616	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
…		…
1621	}	1964	}
1622		1965
1623	sub normalise {	1966	sub normalise {
1624	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1625		1968
1626	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1627		1970
1628	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1629		1972
1630	# map plan:	1973	# map plan:
1631	#	1974	#
…		…
1646	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1647	$path = "$base/$path";	1990	$path = "$base/$path";
1648	}	1991	}
1649		1992
1650	for ($path) {	1993	for ($path) {
1651	redo if s{//}{/};
1652	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1653	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1654	}	1996	}
1655		1997
1656	$path	1998	$path
…		…
1670	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1671	return $self;	2013	return $self;
1672	}	2014	}
1673	}	2015	}
1674		2016
1675	Carp::cluck "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1676	()	2018	()
1677	}	2019	}
1678		2020
		2021	# may re-bless or do other evil things
1679	sub init {	2022	sub init {
1680	my ($self) = @_;	2023	my ($self) = @_;
1681		2024
1682	$self	2025	$self
1683	}	2026	}
…		…
1702		2045
1703	# the temporary/swap location	2046	# the temporary/swap location
1704	sub save_path {	2047	sub save_path {
1705	my ($self) = @_;	2048	my ($self) = @_;
1706		2049
1707	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1708	"$TMPDIR/$path.map"	2051	"$TMPDIR/$path.map"
1709	}	2052	}
1710		2053
1711	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1712	sub uniq_path {	2055	sub uniq_path {
1713	my ($self) = @_;	2056	my ($self) = @_;
1714		2057
1715	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1716	"$UNIQUEDIR/$path"	2059	"$UNIQUEDIR/$path"
1717	}
1718
1719	# and all this just because we cannot iterate over
1720	# all maps in C++...
1721	sub change_all_map_light {
1722	my ($change) = @_;
1723
1724	$_->change_map_light ($change)
1725	for grep $_->outdoor, values %cf::MAP;
1726	}	2060	}
1727		2061
1728	sub decay_objects {	2062	sub decay_objects {
1729	my ($self) = @_;	2063	my ($self) = @_;
1730		2064
…		…
1743		2077
1744	sub load_header_from($) {	2078	sub load_header_from($) {
1745	my ($self, $path) = @_;	2079	my ($self, $path) = @_;
1746		2080
1747	utf8::encode $path;	2081	utf8::encode $path;
1748	#aio_open $path, O_RDONLY, 0	2082	my $f = new_from_file cf::object::thawer $path
1749	# or return;
1750
1751	$self->_load_header ($path)
1752	or return;	2083	or return;
1753		2084
		2085	$self->_load_header ($f)
		2086	or return;
		2087
		2088	local $MAP_LOADING{$self->{path}} = $self;
		2089	$f->resolve_delayed_derefs;
		2090
1754	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1755		2092
1756	1	2093	1
1757	}	2094	}
1758		2095
		2096	# used to laod the header of an original map
1759	sub load_header_orig {	2097	sub load_header_orig {
1760	my ($self) = @_;	2098	my ($self) = @_;
1761		2099
1762	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1763	}	2101	}
1764		2102
		2103	# used to laod the header of an instantiated map
1765	sub load_header_temp {	2104	sub load_header_temp {
1766	my ($self) = @_;	2105	my ($self) = @_;
1767		2106
1768	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1769	}	2108	}
1770		2109
		2110	# called after loading the header from an instantiated map
1771	sub prepare_temp {	2111	sub prepare_temp {
1772	my ($self) = @_;	2112	my ($self) = @_;
1773		2113
1774	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1775	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1776	# safety	2116	# safety
1777	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1778	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1779	}	2119	}
1780		2120
		2121	# called after loading the header from an original map
1781	sub prepare_orig {	2122	sub prepare_orig {
1782	my ($self) = @_;	2123	my ($self) = @_;
1783		2124
1784	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1785	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1809		2150
1810	sub find;	2151	sub find;
1811	sub find {	2152	sub find {
1812	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1813		2154
		2155	cf::cede_to_tick;
		2156
1814	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1815		2158
		2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1816	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1817		2161
1818	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1819	my $guard = cf::lock_acquire "map_find:$path";
1820	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1821	or return;	2164	or return;
1822		2165
1823	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1824		2167
…		…
1826	or return;	2169	or return;
1827		2170
1828	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1829	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1830	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1831	$map->reset;	2176	$map->reset;
1832	undef $guard;
1833	return find $path;	2177	return find $path;
1834	}	2178	}
1835		2179
1836	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1837	}	2181	}
1838	}	2182	}
1839		2183
1840	sub pre_load { }	2184	sub pre_load { }
1841	sub post_load { }	2185	#sub post_load { } # XS
1842		2186
1843	sub load {	2187	sub load {
1844	my ($self) = @_;	2188	my ($self) = @_;
1845		2189
1846	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
1847		2191
1848	my $path = $self->{path};	2192	my $path = $self->{path};
1849		2193
1850	{	2194	{
1851	my $guard = cf::lock_acquire "map_load:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1852		2196
		2197	return unless $self->valid;
1853	return if $self->in_memory != cf::MAP_SWAPPED;	2198	return unless $self->state == cf::MAP_SWAPPED;
1854
1855	$self->in_memory (cf::MAP_LOADING);
1856		2199
1857	$self->alloc;	2200	$self->alloc;
1858		2201
1859	$self->pre_load;	2202	$self->pre_load;
1860	Coro::cede;	2203	cf::cede_to_tick;
1861		2204
1862	$self->_load_objects ($self->{load_path}, 1)	2205	if (exists $self->{load_path}) {
		2206	my $f = new_from_file cf::object::thawer $self->{load_path};
		2207	$f->skip_block;
		2208	$self->_load_objects ($f)
1863	or return;	2209	or return;
1864		2210
1865	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1866	if delete $self->{load_original};	2212	if delete $self->{load_original};
1867		2213
1868	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1869	utf8::encode $uniq;	2215	utf8::encode $uniq;
1870	if (aio_open $uniq, O_RDONLY, 0) {	2216	unless (aio_stat $uniq) {
		2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1871	$self->clear_unique_items;	2218	$self->clear_unique_items;
1872	$self->_load_objects ($uniq, 0);	2219	$self->_load_objects ($f);
		2220	$f->resolve_delayed_derefs;
		2221	}
		2222	}
1873	}	2223	}
1874	}
1875		2224
1876	Coro::cede;	2225	$f->resolve_delayed_derefs;
		2226	} else {
		2227	$self->post_load_original
		2228	if delete $self->{load_original};
		2229	}
		2230
		2231	$self->state (cf::MAP_INACTIVE);
		2232
		2233	cf::cede_to_tick;
1877	# now do the right thing for maps	2234	# now do the right thing for maps
1878	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1879	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
1880	unless $self->difficulty;	2237	unless $self->difficulty;
1881	Coro::cede;	2238	cf::cede_to_tick;
1882		2239
1883	unless ($self->{deny_activate}) {	2240	unless ($self->{deny_activate}) {
1884	$self->decay_objects;	2241	$self->decay_objects;
1885	$self->fix_auto_apply;	2242	$self->fix_auto_apply;
1886	$self->update_buttons;	2243	$self->update_buttons;
1887	Coro::cede;	2244	$self->post_load_physics;
1888	$self->set_darkness_map;	2245	cf::cede_to_tick;
1889	Coro::cede;	2246	#$self->activate; # no longer activate maps automatically
1890	$self->activate;
1891	}	2247	}
1892		2248
1893	$self->{last_save} = $cf::RUNTIME;	2249	$self->{last_save} = $cf::RUNTIME;
1894	$self->last_access ($cf::RUNTIME);	2250	$self->last_access ($cf::RUNTIME);
1895
1896	$self->in_memory (cf::MAP_IN_MEMORY);
1897	}	2251	}
1898		2252
1899	$self->post_load;	2253	$self->post_load;
1900	}
1901		2254
		2255	1
		2256	}
		2257
		2258	# customize the map for a given player, i.e.
		2259	# return the _real_ map. used by e.g. per-player
		2260	# maps to change the path to ~playername/mappath
1902	sub customise_for {	2261	sub customise_for {
1903	my ($self, $ob) = @_;	2262	my ($self, $ob) = @_;
1904		2263
1905	return find "~" . $ob->name . "/" . $self->{path}	2264	return find "~" . $ob->name . "/" . $self->{path}
1906	if $self->per_player;	2265	if $self->per_player;
…		…
1922	or next;	2281	or next;
1923	$neigh = find $neigh, $map	2282	$neigh = find $neigh, $map
1924	or next;	2283	or next;
1925	$neigh->load;	2284	$neigh->load;
1926		2285
		2286	# now find the diagonal neighbours
1927	push @neigh,	2287	push @neigh,
1928	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2288	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1929	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2289	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1930	}	2290	}
1931		2291
…		…
1938	}	2298	}
1939		2299
1940	sub find_sync {	2300	sub find_sync {
1941	my ($path, $origin) = @_;	2301	my ($path, $origin) = @_;
1942		2302
1943	cf::sync_job { find $path, $origin }	2303	# it's a bug to call this from the main context
		2304	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2305	if $Coro::current == $Coro::main;
		2306
		2307	find $path, $origin
1944	}	2308	}
1945		2309
1946	sub do_load_sync {	2310	sub do_load_sync {
1947	my ($map) = @_;	2311	my ($map) = @_;
1948		2312
1949	cf::sync_job { $map->load };	2313	# it's a bug to call this from the main context
		2314	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2315	if $Coro::current == $Coro::main;
		2316
		2317	$map->load;
1950	}	2318	}
1951		2319
1952	our %MAP_PREFETCH;	2320	our %MAP_PREFETCH;
1953	our $MAP_PREFETCHER = undef;	2321	our $MAP_PREFETCHER = undef;
1954		2322
1955	sub find_async {	2323	sub find_async {
1956	my ($path, $origin) = @_;	2324	my ($path, $origin, $load) = @_;
1957		2325
1958	$path = normalise $path, $origin && $origin->{path};	2326	$path = normalise $path, $origin;
1959		2327
1960	if (my $map = $cf::MAP{$path}) {	2328	if (my $map = $cf::MAP{$path}) {
1961	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2329	return $map if !$load || $map->linkable;
1962	}	2330	}
1963		2331
1964	undef $MAP_PREFETCH{$path};	2332	$MAP_PREFETCH{$path} |= $load;
		2333
1965	$MAP_PREFETCHER ||= cf::async {	2334	$MAP_PREFETCHER ||= cf::async {
		2335	$Coro::current->{desc} = "map prefetcher";
		2336
1966	while (%MAP_PREFETCH) {	2337	while (%MAP_PREFETCH) {
1967	for my $path (keys %MAP_PREFETCH) {	2338	while (my ($k, $v) = each %MAP_PREFETCH) {
1968	if (my $map = find $path) {	2339	if (my $map = find $k) {
1969	$map->load;	2340	$map->load if $v;
1970	}	2341	}
1971		2342
1972	delete $MAP_PREFETCH{$path};	2343	delete $MAP_PREFETCH{$k};
1973	}	2344	}
1974	}	2345	}
1975	undef $MAP_PREFETCHER;	2346	undef $MAP_PREFETCHER;
1976	};	2347	};
1977	$MAP_PREFETCHER->prio (6);	2348	$MAP_PREFETCHER->prio (6);
1978		2349
1979	()	2350	()
1980	}	2351	}
1981		2352
		2353	# common code, used by both ->save and ->swapout
1982	sub save {	2354	sub _save {
1983	my ($self) = @_;	2355	my ($self) = @_;
1984
1985	my $lock = cf::lock_acquire "map_data:" . $self->path;
1986		2356
1987	$self->{last_save} = $cf::RUNTIME;	2357	$self->{last_save} = $cf::RUNTIME;
1988		2358
1989	return unless $self->dirty;	2359	return unless $self->dirty;
1990		2360
…		…
1996	return if $self->{deny_save};	2366	return if $self->{deny_save};
1997		2367
1998	local $self->{last_access} = $self->last_access;#d#	2368	local $self->{last_access} = $self->last_access;#d#
1999		2369
2000	cf::async {	2370	cf::async {
		2371	$Coro::current->{desc} = "map player save";
2001	$_->contr->save for $self->players;	2372	$_->contr->save for $self->players;
2002	};	2373	};
		2374
		2375	cf::get_slot 0.02;
2003		2376
2004	if ($uniq) {	2377	if ($uniq) {
2005	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2378	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2006	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2379	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2007	} else {	2380	} else {
2008	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2381	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2009	}	2382	}
2010	}	2383	}
2011		2384
		2385	sub save {
		2386	my ($self) = @_;
		2387
		2388	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2389
		2390	$self->_save;
		2391	}
		2392
2012	sub swap_out {	2393	sub swap_out {
2013	my ($self) = @_;	2394	my ($self) = @_;
2014		2395
2015	# save first because save cedes
2016	$self->save;
2017
2018	my $lock = cf::lock_acquire "map_data:" . $self->path;	2396	my $lock = cf::lock_acquire "map_data:$self->{path}";
2019		2397
		2398	return if !$self->linkable;
		2399	return if $self->{deny_save};
2020	return if $self->players;	2400	return if $self->players;
2021	return if $self->in_memory != cf::MAP_IN_MEMORY;
2022	return if $self->{deny_save};
2023		2401
		2402	# first deactivate the map and "unlink" it from the core
		2403	$self->deactivate;
		2404	$_->clear_links_to ($self) for values %cf::MAP;
		2405	$self->state (cf::MAP_SWAPPED);
		2406
		2407	# then atomically save
		2408	$self->_save;
		2409
		2410	# then free the map
2024	$self->clear;	2411	$self->clear;
2025	$self->in_memory (cf::MAP_SWAPPED);
2026	}	2412	}
2027		2413
2028	sub reset_at {	2414	sub reset_at {
2029	my ($self) = @_;	2415	my ($self) = @_;
2030		2416
…		…
2048		2434
2049	my $lock = cf::lock_acquire "map_data:$self->{path}";	2435	my $lock = cf::lock_acquire "map_data:$self->{path}";
2050		2436
2051	return if $self->players;	2437	return if $self->players;
2052		2438
2053	warn "resetting map ", $self->path;	2439	cf::trace "resetting map ", $self->path, "\n";
2054		2440
2055	$self->in_memory (cf::MAP_SWAPPED);	2441	$self->state (cf::MAP_SWAPPED);
2056		2442
2057	# need to save uniques path	2443	# need to save uniques path
2058	unless ($self->{deny_save}) {	2444	unless ($self->{deny_save}) {
2059	my $uniq = $self->uniq_path; utf8::encode $uniq;	2445	my $uniq = $self->uniq_path; utf8::encode $uniq;
2060		2446
…		…
2062	if $uniq;	2448	if $uniq;
2063	}	2449	}
2064		2450
2065	delete $cf::MAP{$self->path};	2451	delete $cf::MAP{$self->path};
2066		2452
		2453	$self->deactivate;
		2454	$_->clear_links_to ($self) for values %cf::MAP;
2067	$self->clear;	2455	$self->clear;
2068
2069	$_->clear_links_to ($self) for values %cf::MAP;
2070		2456
2071	$self->unlink_save;	2457	$self->unlink_save;
2072	$self->destroy;	2458	$self->destroy;
2073	}	2459	}
2074		2460
2075	my $nuke_counter = "aaaa";	2461	my $nuke_counter = "aaaa";
2076		2462
2077	sub nuke {	2463	sub nuke {
2078	my ($self) = @_;	2464	my ($self) = @_;
2079		2465
		2466	{
		2467	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2468
2080	delete $cf::MAP{$self->path};	2469	delete $cf::MAP{$self->path};
2081		2470
2082	$self->unlink_save;	2471	$self->unlink_save;
2083		2472
2084	bless $self, "cf::map";	2473	bless $self, "cf::map::wrap";
2085	delete $self->{deny_reset};	2474	delete $self->{deny_reset};
2086	$self->{deny_save} = 1;	2475	$self->{deny_save} = 1;
2087	$self->reset_timeout (1);	2476	$self->reset_timeout (1);
2088	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2477	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2089		2478
2090	$cf::MAP{$self->path} = $self;	2479	$cf::MAP{$self->path} = $self;
		2480	}
2091		2481
2092	$self->reset; # polite request, might not happen	2482	$self->reset; # polite request, might not happen
2093	}	2483	}
2094		2484
2095	=item $maps = cf::map::tmp_maps	2485	=item $maps = cf::map::tmp_maps
…		…
2137		2527
2138	sub unique_maps() {	2528	sub unique_maps() {
2139	[	2529	[
2140	map {	2530	map {
2141	utf8::decode $_;	2531	utf8::decode $_;
2142	/\.map$/	2532	s/\.map$//; # TODO future compatibility hack
		2533	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2534	? ()
2143	? normalise $_	2535	: normalise $_
2144	: ()
2145	} @{ aio_readdir $UNIQUEDIR or [] }	2536	} @{ aio_readdir $UNIQUEDIR or [] }
2146	]	2537	]
2147	}	2538	}
2148		2539
2149	package cf;	2540	=item cf::map::static_maps
		2541
		2542	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2543	file in the shared directory excluding F</styles> and F</editor>). May
		2544	block.
		2545
		2546	=cut
		2547
		2548	sub static_maps() {
		2549	my @dirs = "";
		2550	my @maps;
		2551
		2552	while (@dirs) {
		2553	my $dir = shift @dirs;
		2554
		2555	next if $dir eq "/styles" || $dir eq "/editor";
		2556
		2557	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2558	or return;
		2559
		2560	for (@$files) {
		2561	s/\.map$// or next;
		2562	utf8::decode $_;
		2563	push @maps, "$dir/$_";
		2564	}
		2565
		2566	push @dirs, map "$dir/$_", @$dirs;
		2567	}
		2568
		2569	\@maps
		2570	}
2150		2571
2151	=back	2572	=back
2152		2573
2153	=head3 cf::object	2574	=head3 cf::object
2154		2575
…		…
2158		2579
2159	=over 4	2580	=over 4
2160		2581
2161	=item $ob->inv_recursive	2582	=item $ob->inv_recursive
2162		2583
2163	Returns the inventory of the object _and_ their inventories, recursively.	2584	Returns the inventory of the object I<and> their inventories, recursively,
		2585	but I<not> the object itself.
2164		2586
2165	=cut	2587	=cut
2166		2588
2167	sub inv_recursive_;	2589	sub inv_recursive_;
2168	sub inv_recursive_ {	2590	sub inv_recursive_ {
…		…
2171		2593
2172	sub inv_recursive {	2594	sub inv_recursive {
2173	inv_recursive_ inv $_[0]	2595	inv_recursive_ inv $_[0]
2174	}	2596	}
2175		2597
		2598	=item $ref = $ob->ref
		2599
		2600	Creates and returns a persistent reference to an object that can be stored as a string.
		2601
		2602	=item $ob = cf::object::deref ($refstring)
		2603
		2604	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2605	even if the object actually exists. May block.
		2606
		2607	=cut
		2608
		2609	sub deref {
		2610	my ($ref) = @_;
		2611
		2612	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2613	my ($uuid, $name) = ($1, $2);
		2614	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2615	or return;
		2616	$pl->ob->uuid eq $uuid
		2617	or return;
		2618
		2619	$pl->ob
		2620	} else {
		2621	warn "$ref: cannot resolve object reference\n";
		2622	undef
		2623	}
		2624	}
		2625
2176	package cf;	2626	package cf;
2177		2627
2178	=back	2628	=back
2179		2629
2180	=head3 cf::object::player	2630	=head3 cf::object::player
…		…
2186	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2636	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2187	can be C<undef>. Does the right thing when the player is currently in a	2637	can be C<undef>. Does the right thing when the player is currently in a
2188	dialogue with the given NPC character.	2638	dialogue with the given NPC character.
2189		2639
2190	=cut	2640	=cut
		2641
		2642	our $SAY_CHANNEL = {
		2643	id => "say",
		2644	title => "Map",
		2645	reply => "say ",
		2646	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2647	};
		2648
		2649	our $CHAT_CHANNEL = {
		2650	id => "chat",
		2651	title => "Chat",
		2652	reply => "chat ",
		2653	tooltip => "Player chat and shouts, global to the server.",
		2654	};
2191		2655
2192	# rough implementation of a future "reply" method that works	2656	# rough implementation of a future "reply" method that works
2193	# with dialog boxes.	2657	# with dialog boxes.
2194	#TODO: the first argument must go, split into a $npc->reply_to ( method	2658	#TODO: the first argument must go, split into a $npc->reply_to ( method
2195	sub cf::object::player::reply($$$;$) {	2659	sub cf::object::player::reply($$$;$) {
…		…
2207	my $dialog = $pl->{npc_dialog};	2671	my $dialog = $pl->{npc_dialog};
2208	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2672	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2209		2673
2210	} else {	2674	} else {
2211	$msg = $npc->name . " says: $msg" if $npc;	2675	$msg = $npc->name . " says: $msg" if $npc;
2212	$self->message ($msg, $flags);	2676	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2213	}	2677	}
2214	}	2678	}
2215	}	2679	}
2216		2680
2217	=item $object->send_msg ($channel, $msg, $color, [extra...])	2681	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2242		2706
2243	=item $player_object->enter_link	2707	=item $player_object->enter_link
2244		2708
2245	Freezes the player and moves him/her to a special map (C<{link}>).	2709	Freezes the player and moves him/her to a special map (C<{link}>).
2246		2710
2247	The player should be reasonably safe there for short amounts of time. You	2711	The player should be reasonably safe there for short amounts of time (e.g.
2248	I<MUST> call C<leave_link> as soon as possible, though.	2712	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2713	though, as the player cannot control the character while it is on the link
		2714	map.
2249		2715
2250	Will never block.	2716	Will never block.
2251		2717
2252	=item $player_object->leave_link ($map, $x, $y)	2718	=item $player_object->leave_link ($map, $x, $y)
2253		2719
…		…
2273	sub cf::object::player::enter_link {	2739	sub cf::object::player::enter_link {
2274	my ($self) = @_;	2740	my ($self) = @_;
2275		2741
2276	$self->deactivate_recursive;	2742	$self->deactivate_recursive;
2277		2743
		2744	++$self->{_link_recursion};
		2745
2278	return if UNIVERSAL::isa $self->map, "ext::map_link";	2746	return if UNIVERSAL::isa $self->map, "ext::map_link";
2279		2747
2280	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2748	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2281	if $self->map && $self->map->{path} ne "{link}";	2749	if $self->map && $self->map->{path} ne "{link}";
2282		2750
2283	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2751	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2284	}	2752	}
2285		2753
2286	sub cf::object::player::leave_link {	2754	sub cf::object::player::leave_link {
2287	my ($self, $map, $x, $y) = @_;	2755	my ($self, $map, $x, $y) = @_;
2288		2756
…		…
2305	($x, $y) = (-1, -1)	2773	($x, $y) = (-1, -1)
2306	unless (defined $x) && (defined $y);	2774	unless (defined $x) && (defined $y);
2307		2775
2308	# use -1 or undef as default coordinates, not 0, 0	2776	# use -1 or undef as default coordinates, not 0, 0
2309	($x, $y) = ($map->enter_x, $map->enter_y)	2777	($x, $y) = ($map->enter_x, $map->enter_y)
2310	if $x <=0 && $y <= 0;	2778	if $x <= 0 && $y <= 0;
2311		2779
2312	$map->load;	2780	$map->load;
2313	$map->load_neighbours;	2781	$map->load_neighbours;
2314		2782
2315	return unless $self->contr->active;	2783	return unless $self->contr->active;
2316	$self->activate_recursive;
2317		2784
2318	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2785	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2319	$self->enter_map ($map, $x, $y);	2786	if ($self->enter_map ($map, $x, $y)) {
2320	}	2787	# entering was successful
		2788	delete $self->{_link_recursion};
		2789	# only activate afterwards, to support waiting in hooks
		2790	$self->activate_recursive;
		2791	}
2321		2792
		2793	}
		2794
2322	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2795	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2323		2796
2324	Moves the player to the given map-path and coordinates by first freezing	2797	Moves the player to the given map-path and coordinates by first freezing
2325	her, loading and preparing them map, calling the provided $check callback	2798	her, loading and preparing them map, calling the provided $check callback
2326	that has to return the map if sucecssful, and then unfreezes the player on	2799	that has to return the map if sucecssful, and then unfreezes the player on
2327	the new (success) or old (failed) map position. In either case, $done will	2800	the new (success) or old (failed) map position. In either case, $done will
2328	be called at the end of this process.	2801	be called at the end of this process.
2329		2802
		2803	Note that $check will be called with a potentially non-loaded map, so if
		2804	it needs a loaded map it has to call C<< ->load >>.
		2805
2330	=cut	2806	=cut
2331		2807
2332	our $GOTOGEN;	2808	our $GOTOGEN;
2333		2809
2334	sub cf::object::player::goto {	2810	sub cf::object::player::goto {
2335	my ($self, $path, $x, $y, $check, $done) = @_;	2811	my ($self, $path, $x, $y, $check, $done) = @_;
2336		2812
		2813	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2814	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2815	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2816	($path, $x, $y) = @$EMERGENCY_POSITION;
		2817	}
		2818
2337	# do generation counting so two concurrent goto's will be executed in-order	2819	# do generation counting so two concurrent goto's will be executed in-order
2338	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2820	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2339		2821
2340	$self->enter_link;	2822	$self->enter_link;
2341		2823
2342	(async {	2824	(async {
		2825	$Coro::current->{desc} = "player::goto $path $x $y";
		2826
		2827	# *tag paths override both path and x|y
		2828	if ($path =~ /^\*(.*)$/) {
		2829	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2830	my $ob = $obs[rand @obs];
		2831
		2832	# see if we actually can go there
		2833	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2834	$ob = $obs[rand @obs];
		2835	} else {
		2836	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2837	}
		2838	# else put us there anyways for now #d#
		2839
		2840	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2841	} else {
		2842	($path, $x, $y) = (undef, undef, undef);
		2843	}
		2844	}
		2845
2343	my $map = eval {	2846	my $map = eval {
2344	my $map = cf::map::find $path;	2847	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2345		2848
2346	if ($map) {	2849	if ($map) {
2347	$map = $map->customise_for ($self);	2850	$map = $map->customise_for ($self);
2348	$map = $check->($map) if $check && $map;	2851	$map = $check->($map, $x, $y, $self) if $check && $map;
2349	} else {	2852	} else {
2350	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2853	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2351	}	2854	}
2352		2855
2353	$map	2856	$map
2354	};	2857	};
2355		2858
…		…
2361	if ($gen == $self->{_goto_generation}) {	2864	if ($gen == $self->{_goto_generation}) {
2362	delete $self->{_goto_generation};	2865	delete $self->{_goto_generation};
2363	$self->leave_link ($map, $x, $y);	2866	$self->leave_link ($map, $x, $y);
2364	}	2867	}
2365		2868
2366	$done->() if $done;	2869	$done->($self) if $done;
2367	})->prio (1);	2870	})->prio (1);
2368	}	2871	}
2369		2872
2370	=item $player_object->enter_exit ($exit_object)	2873	=item $player_object->enter_exit ($exit_object)
2371		2874
…		…
2391	}	2894	}
2392		2895
2393	sub prepare_random_map {	2896	sub prepare_random_map {
2394	my ($exit) = @_;	2897	my ($exit) = @_;
2395		2898
2396	my $guard = cf::lock_acquire "exit_prepare:$exit";
2397
2398	# all this does is basically replace the /! path by	2899	# all this does is basically replace the /! path by
2399	# a new random map path (?random/...) with a seed	2900	# a new random map path (?random/...) with a seed
2400	# that depends on the exit object	2901	# that depends on the exit object
2401		2902
2402	my $rmp = parse_random_map_params $exit->msg;	2903	my $rmp = parse_random_map_params $exit->msg;
…		…
2404	if ($exit->map) {	2905	if ($exit->map) {
2405	$rmp->{region} = $exit->region->name;	2906	$rmp->{region} = $exit->region->name;
2406	$rmp->{origin_map} = $exit->map->path;	2907	$rmp->{origin_map} = $exit->map->path;
2407	$rmp->{origin_x} = $exit->x;	2908	$rmp->{origin_x} = $exit->x;
2408	$rmp->{origin_y} = $exit->y;	2909	$rmp->{origin_y} = $exit->y;
		2910
		2911	$exit->map->touch;
2409	}	2912	}
2410		2913
2411	$rmp->{random_seed} ||= $exit->random_seed;	2914	$rmp->{random_seed} ||= $exit->random_seed;
2412		2915
2413	my $data = cf::to_json $rmp;	2916	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2414	my $md5 = Digest::MD5::md5_hex $data;	2917	my $md5 = Digest::MD5::md5_hex $data;
2415	my $meta = "$RANDOMDIR/$md5.meta";	2918	my $meta = "$RANDOMDIR/$md5.meta";
2416		2919
2417	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2920	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2418	aio_write $fh, 0, (length $data), $data, 0;	2921	aio_write $fh, 0, (length $data), $data, 0;
2419	undef $fh;	2922	undef $fh;
2420	aio_rename "$meta~", $meta;	2923	aio_rename "$meta~", $meta;
2421		2924
		2925	my $slaying = "?random/$md5";
		2926
		2927	if ($exit->valid) {
2422	$exit->slaying ("?random/$md5");	2928	$exit->slaying ("?random/$md5");
2423	$exit->msg (undef);	2929	$exit->msg (undef);
		2930	}
2424	}	2931	}
2425	}	2932	}
2426		2933
2427	sub cf::object::player::enter_exit {	2934	sub cf::object::player::enter_exit {
2428	my ($self, $exit) = @_;	2935	my ($self, $exit) = @_;
2429		2936
2430	return unless $self->type == cf::PLAYER;	2937	return unless $self->type == cf::PLAYER;
2431		2938
2432	if ($exit->slaying eq "/!") {
2433	#TODO: this should de-fi-ni-te-ly not be a sync-job
2434	# the problem is that $exit might not survive long enough
2435	# so it needs to be done right now, right here
2436	cf::sync_job { prepare_random_map $exit };
2437	}
2438
2439	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2440	my $hp = $exit->stats->hp;
2441	my $sp = $exit->stats->sp;
2442
2443	$self->enter_link;	2939	$self->enter_link;
2444		2940
2445	# if exit is damned, update players death & WoR home-position
2446	$self->contr->savebed ($slaying, $hp, $sp)
2447	if $exit->flag (FLAG_DAMNED);
2448
2449	(async {	2941	(async {
2450	$self->deactivate_recursive; # just to be sure	2942	$Coro::current->{desc} = "enter_exit";
		2943
2451	unless (eval {	2944	unless (eval {
		2945	$self->deactivate_recursive; # just to be sure
		2946
		2947	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2948	my $x = $exit->stats->hp;
		2949	my $y = $exit->stats->sp;
		2950
		2951	# special map handling
		2952	my $slaying = $exit->slaying;
		2953
		2954	# special map handling
		2955	if ($slaying eq "/!") {
		2956	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2957
		2958	prepare_random_map $exit
		2959	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2960
		2961	$map = $exit->slaying;
		2962
		2963	} elsif ($slaying eq '!up') {
		2964	$map = $exit->map->tile_path (cf::TILE_UP);
		2965	$x = $exit->x;
		2966	$y = $exit->y;
		2967
		2968	} elsif ($slaying eq '!down') {
		2969	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2970	$x = $exit->x;
		2971	$y = $exit->y;
		2972	}
		2973
2452	$self->goto ($slaying, $hp, $sp);	2974	$self->goto ($map, $x, $y);
2453		2975
		2976	# if exit is damned, update players death & WoR home-position
		2977	$self->contr->savebed ($map, $x, $y)
		2978	if $exit->flag (cf::FLAG_DAMNED);
		2979
2454	1;	2980	1
2455	}) {	2981	}) {
2456	$self->message ("Something went wrong deep within the crossfire server. "	2982	$self->message ("Something went wrong deep within the deliantra server. "
2457	. "I'll try to bring you back to the map you were before. "	2983	. "I'll try to bring you back to the map you were before. "
2458	. "Please report this to the dungeon master!",	2984	. "Please report this to the dungeon master!",
2459	cf::NDI_UNIQUE | cf::NDI_RED);	2985	cf::NDI_UNIQUE | cf::NDI_RED);
2460		2986
2461	warn "ERROR in enter_exit: $@";	2987	error "ERROR in enter_exit: $@";
2462	$self->leave_link;	2988	$self->leave_link;
2463	}	2989	}
2464	})->prio (1);	2990	})->prio (1);
2465	}	2991	}
2466		2992
…		…
2478	sub cf::client::send_drawinfo {	3004	sub cf::client::send_drawinfo {
2479	my ($self, $text, $flags) = @_;	3005	my ($self, $text, $flags) = @_;
2480		3006
2481	utf8::encode $text;	3007	utf8::encode $text;
2482	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3008	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3009	}
		3010
		3011	=item $client->send_big_packet ($pkt)
		3012
		3013	Like C<send_packet>, but tries to compress large packets, and fragments
		3014	them as required.
		3015
		3016	=cut
		3017
		3018	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3019
		3020	sub cf::client::send_big_packet {
		3021	my ($self, $pkt) = @_;
		3022
		3023	# try lzf for large packets
		3024	$pkt = "lzf " . Compress::LZF::compress $pkt
		3025	if 1024 <= length $pkt and $self->{can_lzf};
		3026
		3027	# split very large packets
		3028	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3029	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3030	$pkt = "frag";
		3031	}
		3032
		3033	$self->send_packet ($pkt);
2483	}	3034	}
2484		3035
2485	=item $client->send_msg ($channel, $msg, $color, [extra...])	3036	=item $client->send_msg ($channel, $msg, $color, [extra...])
2486		3037
2487	Send a drawinfo or msg packet to the client, formatting the msg for the	3038	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2489	the message, with C<log> being the default. If C<$color> is negative, suppress	3040	the message, with C<log> being the default. If C<$color> is negative, suppress
2490	the message unless the client supports the msg packet.	3041	the message unless the client supports the msg packet.
2491		3042
2492	=cut	3043	=cut
2493		3044
		3045	# non-persistent channels (usually the info channel)
		3046	our %CHANNEL = (
		3047	"c/motd" => {
		3048	id => "infobox",
		3049	title => "MOTD",
		3050	reply => undef,
		3051	tooltip => "The message of the day",
		3052	},
		3053	"c/identify" => {
		3054	id => "infobox",
		3055	title => "Identify",
		3056	reply => undef,
		3057	tooltip => "Items recently identified",
		3058	},
		3059	"c/examine" => {
		3060	id => "infobox",
		3061	title => "Examine",
		3062	reply => undef,
		3063	tooltip => "Signs and other items you examined",
		3064	},
		3065	"c/shopinfo" => {
		3066	id => "infobox",
		3067	title => "Shop Info",
		3068	reply => undef,
		3069	tooltip => "What your bargaining skill tells you about the shop",
		3070	},
		3071	"c/book" => {
		3072	id => "infobox",
		3073	title => "Book",
		3074	reply => undef,
		3075	tooltip => "The contents of a note or book",
		3076	},
		3077	"c/lookat" => {
		3078	id => "infobox",
		3079	title => "Look",
		3080	reply => undef,
		3081	tooltip => "What you saw there",
		3082	},
		3083	"c/who" => {
		3084	id => "infobox",
		3085	title => "Players",
		3086	reply => undef,
		3087	tooltip => "Shows players who are currently online",
		3088	},
		3089	"c/body" => {
		3090	id => "infobox",
		3091	title => "Body Parts",
		3092	reply => undef,
		3093	tooltip => "Shows which body parts you posess and are available",
		3094	},
		3095	"c/statistics" => {
		3096	id => "infobox",
		3097	title => "Statistics",
		3098	reply => undef,
		3099	tooltip => "Shows your primary statistics",
		3100	},
		3101	"c/skills" => {
		3102	id => "infobox",
		3103	title => "Skills",
		3104	reply => undef,
		3105	tooltip => "Shows your experience per skill and item power",
		3106	},
		3107	"c/shopitems" => {
		3108	id => "infobox",
		3109	title => "Shop Items",
		3110	reply => undef,
		3111	tooltip => "Shows the items currently for sale in this shop",
		3112	},
		3113	"c/resistances" => {
		3114	id => "infobox",
		3115	title => "Resistances",
		3116	reply => undef,
		3117	tooltip => "Shows your resistances",
		3118	},
		3119	"c/pets" => {
		3120	id => "infobox",
		3121	title => "Pets",
		3122	reply => undef,
		3123	tooltip => "Shows information abotu your pets/a specific pet",
		3124	},
		3125	"c/perceiveself" => {
		3126	id => "infobox",
		3127	title => "Perceive Self",
		3128	reply => undef,
		3129	tooltip => "You gained detailed knowledge about yourself",
		3130	},
		3131	"c/uptime" => {
		3132	id => "infobox",
		3133	title => "Uptime",
		3134	reply => undef,
		3135	tooltip => "How long the server has been running since last restart",
		3136	},
		3137	"c/mapinfo" => {
		3138	id => "infobox",
		3139	title => "Map Info",
		3140	reply => undef,
		3141	tooltip => "Information related to the maps",
		3142	},
		3143	"c/party" => {
		3144	id => "party",
		3145	title => "Party",
		3146	reply => "gsay ",
		3147	tooltip => "Messages and chat related to your party",
		3148	},
		3149	"c/death" => {
		3150	id => "death",
		3151	title => "Death",
		3152	reply => undef,
		3153	tooltip => "Reason for and more info about your most recent death",
		3154	},
		3155	"c/say" => $SAY_CHANNEL,
		3156	"c/chat" => $CHAT_CHANNEL,
		3157	);
		3158
2494	sub cf::client::send_msg {	3159	sub cf::client::send_msg {
2495	my ($self, $channel, $msg, $color, @extra) = @_;	3160	my ($self, $channel, $msg, $color, @extra) = @_;
2496		3161
2497	$msg = $self->pl->expand_cfpod ($msg);	3162	$msg = $self->pl->expand_cfpod ($msg)
		3163	unless $color & cf::NDI_VERBATIM;
2498		3164
2499	$color &= cf::NDI_CLIENT_MASK; # just in case...	3165	$color &= cf::NDI_CLIENT_MASK; # just in case...
2500		3166
		3167	# check predefined channels, for the benefit of C
		3168	if ($CHANNEL{$channel}) {
		3169	$channel = $CHANNEL{$channel};
		3170
		3171	$self->ext_msg (channel_info => $channel);
		3172	$channel = $channel->{id};
		3173
2501	if (ref $channel) {	3174	} elsif (ref $channel) {
2502	# send meta info to client, if not yet sent	3175	# send meta info to client, if not yet sent
2503	unless (exists $self->{channel}{$channel->{id}}) {	3176	unless (exists $self->{channel}{$channel->{id}}) {
2504	$self->{channel}{$channel->{id}} = $channel;	3177	$self->{channel}{$channel->{id}} = $channel;
2505	$self->ext_msg (channel_info => $channel);	3178	$self->ext_msg (channel_info => $channel);
2506	}	3179	}
…		…
2508	$channel = $channel->{id};	3181	$channel = $channel->{id};
2509	}	3182	}
2510		3183
2511	return unless @extra || length $msg;	3184	return unless @extra || length $msg;
2512		3185
2513	if ($self->can_msg) {
2514	# default colour, mask it out	3186	# default colour, mask it out
2515	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3187	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2516	if $color & cf::NDI_DEF;	3188	if $color & cf::NDI_DEF;
2517		3189
2518	$self->send_packet ("msg " . $self->{json_coder}->encode (	3190	my $pkt = "msg "
		3191	. $self->{json_coder}->encode (
2519	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3192	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2520	} else {	3193	);
2521	if ($color >= 0) {
2522	# replace some tags by gcfclient-compatible ones
2523	for ($msg) {
2524	1 while
2525	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2526	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2527	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2528	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2529	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2530	}
2531		3194
2532	$color &= cf::NDI_COLOR_MASK;	3195	$self->send_big_packet ($pkt);
2533
2534	utf8::encode $msg;
2535
2536	if (0 && $msg =~ /\[/) {
2537	# COMMAND/INFO
2538	$self->send_packet ("drawextinfo $color 10 8 $msg")
2539	} else {
2540	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2541	$self->send_packet ("drawinfo $color $msg")
2542	}
2543	}
2544	}
2545	}	3196	}
2546		3197
2547	=item $client->ext_msg ($type, @msg)	3198	=item $client->ext_msg ($type, @msg)
2548		3199
2549	Sends an ext event to the client.	3200	Sends an ext event to the client.
…		…
2551	=cut	3202	=cut
2552		3203
2553	sub cf::client::ext_msg($$@) {	3204	sub cf::client::ext_msg($$@) {
2554	my ($self, $type, @msg) = @_;	3205	my ($self, $type, @msg) = @_;
2555		3206
2556	my $extcmd = $self->extcmd;
2557
2558	if ($extcmd == 2) {	3207	if ($self->extcmd == 2) {
2559	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3208	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2560	} elsif ($extcmd == 1) { # TODO: remove	3209	} elsif ($self->extcmd == 1) { # TODO: remove
2561	push @msg, msgtype => "event_$type";	3210	push @msg, msgtype => "event_$type";
2562	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3211	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2563	}	3212	}
2564	}	3213	}
2565		3214
2566	=item $client->ext_reply ($msgid, @msg)	3215	=item $client->ext_reply ($msgid, @msg)
2567		3216
…		…
2571		3220
2572	sub cf::client::ext_reply($$@) {	3221	sub cf::client::ext_reply($$@) {
2573	my ($self, $id, @msg) = @_;	3222	my ($self, $id, @msg) = @_;
2574		3223
2575	if ($self->extcmd == 2) {	3224	if ($self->extcmd == 2) {
2576	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3225	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2577	} elsif ($self->ns->extcmd == 1) {	3226	} elsif ($self->extcmd == 1) {
2578	#TODO: version 1, remove	3227	#TODO: version 1, remove
2579	unshift @msg, msgtype => "reply", msgid => $id;	3228	unshift @msg, msgtype => "reply", msgid => $id;
2580	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3229	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2581	}	3230	}
2582	}	3231	}
2583		3232
2584	=item $success = $client->query ($flags, "text", \&cb)	3233	=item $success = $client->query ($flags, "text", \&cb)
2585		3234
…		…
2646	my ($type, $reply, @payload) =	3295	my ($type, $reply, @payload) =
2647	"ARRAY" eq ref $msg	3296	"ARRAY" eq ref $msg
2648	? @$msg	3297	? @$msg
2649	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	3298	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2650		3299
		3300	my @reply;
		3301
2651	if (my $cb = $EXTICMD{$type}) {	3302	if (my $cb = $EXTICMD{$type}) {
2652	my @reply = $cb->($ns, @payload);	3303	@reply = $cb->($ns, @payload);
2653
2654	$ns->ext_reply ($reply, @reply)
2655	if $reply;
2656	}	3304	}
		3305
		3306	$ns->ext_reply ($reply, @reply)
		3307	if $reply;
		3308
2657	} else {	3309	} else {
2658	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3310	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2659	}	3311	}
2660		3312
2661	cf::override;	3313	cf::override;
2662	},	3314	},
2663	);	3315	);
…		…
2683		3335
2684	$coro	3336	$coro
2685	}	3337	}
2686		3338
2687	cf::client->attach (	3339	cf::client->attach (
2688	on_destroy => sub {	3340	on_client_destroy => sub {
2689	my ($ns) = @_;	3341	my ($ns) = @_;
2690		3342
2691	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3343	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2692	},	3344	},
2693	);	3345	);
…		…
2709	our $safe_hole = new Safe::Hole;	3361	our $safe_hole = new Safe::Hole;
2710		3362
2711	$SIG{FPE} = 'IGNORE';	3363	$SIG{FPE} = 'IGNORE';
2712		3364
2713	$safe->permit_only (Opcode::opset qw(	3365	$safe->permit_only (Opcode::opset qw(
2714	:base_core :base_mem :base_orig :base_math	3366	:base_core :base_mem :base_orig :base_math :base_loop
2715	grepstart grepwhile mapstart mapwhile	3367	grepstart grepwhile mapstart mapwhile
2716	sort time	3368	sort time
2717	));	3369	));
2718		3370
2719	# here we export the classes and methods available to script code	3371	# here we export the classes and methods available to script code
…		…
2721	=pod	3373	=pod
2722		3374
2723	The following functions and methods are available within a safe environment:	3375	The following functions and methods are available within a safe environment:
2724		3376
2725	cf::object	3377	cf::object
2726	contr pay_amount pay_player map x y force_find force_add	3378	contr pay_amount pay_player map x y force_find force_add destroy
2727	insert remove name archname title slaying race	3379	insert remove name archname title slaying race decrease split
		3380	value
2728		3381
2729	cf::object::player	3382	cf::object::player
2730	player	3383	player
2731		3384
2732	cf::player	3385	cf::player
…		…
2737		3390
2738	=cut	3391	=cut
2739		3392
2740	for (	3393	for (
2741	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3394	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2742	insert remove inv name archname title slaying race)],	3395	insert remove inv nrof name archname title slaying race
		3396	decrease split destroy change_exp value msg lore send_msg)],
2743	["cf::object::player" => qw(player)],	3397	["cf::object::player" => qw(player)],
2744	["cf::player" => qw(peaceful)],	3398	["cf::player" => qw(peaceful send_msg)],
2745	["cf::map" => qw(trigger)],	3399	["cf::map" => qw(trigger)],
2746	) {	3400	) {
2747	no strict 'refs';
2748	my ($pkg, @funs) = @$_;	3401	my ($pkg, @funs) = @$_;
2749	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3402	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2750	for @funs;	3403	for @funs;
2751	}	3404	}
2752		3405
…		…
2767		3420
2768	my $qcode = $code;	3421	my $qcode = $code;
2769	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3422	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2770	$qcode =~ s/\n/\\n/g;	3423	$qcode =~ s/\n/\\n/g;
2771		3424
		3425	%vars = (_dummy => 0) unless %vars;
		3426
		3427	my @res;
2772	local $_;	3428	local $_;
2773	local @safe::cf::_safe_eval_args = values %vars;
2774		3429
2775	my $eval =	3430	my $eval =
2776	"do {\n"	3431	"do {\n"
2777	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3432	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2778	. "#line 0 \"{$qcode}\"\n"	3433	. "#line 0 \"{$qcode}\"\n"
2779	. $code	3434	. $code
2780	. "\n}"	3435	. "\n}"
2781	;	3436	;
2782		3437
		3438	if ($CFG{safe_eval}) {
2783	sub_generation_inc;	3439	sub_generation_inc;
		3440	local @safe::cf::_safe_eval_args = values %vars;
2784	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3441	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2785	sub_generation_inc;	3442	sub_generation_inc;
		3443	} else {
		3444	local @cf::_safe_eval_args = values %vars;
		3445	@res = wantarray ? eval eval : scalar eval $eval;
		3446	}
2786		3447
2787	if ($@) {	3448	if ($@) {
2788	warn "$@";	3449	warn "$@",
2789	warn "while executing safe code '$code'\n";	3450	"while executing safe code '$code'\n",
2790	warn "with arguments " . (join " ", %vars) . "\n";	3451	"with arguments " . (join " ", %vars) . "\n";
2791	}	3452	}
2792		3453
2793	wantarray ? @res : $res[0]	3454	wantarray ? @res : $res[0]
2794	}	3455	}
2795		3456
…		…
2809	=cut	3470	=cut
2810		3471
2811	sub register_script_function {	3472	sub register_script_function {
2812	my ($fun, $cb) = @_;	3473	my ($fun, $cb) = @_;
2813		3474
2814	no strict 'refs';	3475	$fun = "safe::$fun" if $CFG{safe_eval};
2815	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3476	*$fun = $safe_hole->wrap ($cb);
2816	}	3477	}
2817		3478
2818	=back	3479	=back
2819		3480
2820	=cut	3481	=cut
…		…
2823	# the server's init and main functions	3484	# the server's init and main functions
2824		3485
2825	sub load_facedata($) {	3486	sub load_facedata($) {
2826	my ($path) = @_;	3487	my ($path) = @_;
2827		3488
		3489	# HACK to clear player env face cache, we need some signal framework
		3490	# for this (global event?)
		3491	%ext::player_env::MUSIC_FACE_CACHE = ();
		3492
2828	my $enc = JSON::XS->new->utf8->canonical;	3493	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2829		3494
2830	warn "loading facedata from $path\n";	3495	trace "loading facedata from $path\n";
2831		3496
2832	my $facedata;	3497	my $facedata = decode_storable load_file $path;
2833	0 < aio_load $path, $facedata
2834	or die "$path: $!";
2835
2836	$facedata = Coro::Storable::thaw $facedata;
2837		3498
2838	$facedata->{version} == 2	3499	$facedata->{version} == 2
2839	or cf::cleanup "$path: version mismatch, cannot proceed.";	3500	or cf::cleanup "$path: version mismatch, cannot proceed.";
2840		3501
2841	# patch in the exptable	3502	# patch in the exptable
		3503	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2842	$facedata->{resource}{"res/exp_table"} = {	3504	$facedata->{resource}{"res/exp_table"} = {
2843	type => FT_RSRC,	3505	type => FT_RSRC,
2844	data => $enc->encode ([map cf::level_to_min_exp $_, 0 .. cf::settings->max_level]),	3506	data => $exp_table,
		3507	hash => (Digest::MD5::md5 $exp_table),
2845	};	3508	};
2846	cf::cede_to_tick;	3509	cf::cede_to_tick;
2847		3510
2848	{	3511	{
2849	my $faces = $facedata->{faceinfo};	3512	my $faces = $facedata->{faceinfo};
2850		3513
2851	while (my ($face, $info) = each %$faces) {	3514	while (my ($face, $info) = each %$faces) {
2852	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3515	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3516
2853	cf::face::set_visibility $idx, $info->{visibility};	3517	cf::face::set_visibility $idx, $info->{visibility};
2854	cf::face::set_magicmap $idx, $info->{magicmap};	3518	cf::face::set_magicmap $idx, $info->{magicmap};
2855	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3519	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2856	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3520	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3521	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2857		3522
2858	cf::cede_to_tick;	3523	cf::cede_to_tick;
2859	}	3524	}
2860		3525
2861	while (my ($face, $info) = each %$faces) {	3526	while (my ($face, $info) = each %$faces) {
2862	next unless $info->{smooth};	3527	next unless $info->{smooth};
		3528
2863	my $idx = cf::face::find $face	3529	my $idx = cf::face::find $face
2864	or next;	3530	or next;
		3531
2865	if (my $smooth = cf::face::find $info->{smooth}) {	3532	if (my $smooth = cf::face::find $info->{smooth}) {
2866	cf::face::set_smooth $idx, $smooth;	3533	cf::face::set_smooth $idx, $smooth;
2867	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3534	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2868	} else {	3535	} else {
2869	warn "smooth face '$info->{smooth}' not found for face '$face'";	3536	error "smooth face '$info->{smooth}' not found for face '$face'";
2870	}	3537	}
2871		3538
2872	cf::cede_to_tick;	3539	cf::cede_to_tick;
2873	}	3540	}
2874	}	3541	}
…		…
2883		3550
2884	cf::anim::invalidate_all; # d'oh	3551	cf::anim::invalidate_all; # d'oh
2885	}	3552	}
2886		3553
2887	{	3554	{
2888	# TODO: for gcfclient pleasure, we should give resources
2889	# that gcfclient doesn't grok a >10000 face index.
2890	my $res = $facedata->{resource};	3555	my $res = $facedata->{resource};
2891		3556
2892	my $soundconf = delete $res->{"res/sound.conf"};
2893
2894	while (my ($name, $info) = each %$res) {	3557	while (my ($name, $info) = each %$res) {
		3558	if (defined $info->{type}) {
2895	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3559	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2896	my $data;
2897		3560
2898	if ($info->{type} & 1) {	3561	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2899	# prepend meta info	3562	cf::face::set_type $idx, $info->{type};
2900		3563	} else {
2901	my $meta = $enc->encode ({	3564	$RESOURCE{$name} = $info; # unused
2902	name => $name,
2903	%{ $info->{meta} || {} },
2904	});
2905
2906	$data = pack "(w/a*)*", $meta, $info->{data};
2907	}	3565	}
2908		3566
2909	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2910	cf::face::set_type $idx, $info->{type};
2911
2912	cf::cede_to_tick;	3567	cf::cede_to_tick;
2913	}	3568	}
2914
2915	if ($soundconf) {
2916	$soundconf = $enc->decode (delete $soundconf->{data});
2917
2918	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2919	my $sound = $soundconf->{compat}[$_]
2920	or next;
2921
2922	my $face = cf::face::find "sound/$sound->[1]";
2923	cf::sound::set $sound->[0] => $face;
2924	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2925	}
2926
2927	while (my ($k, $v) = each %{$soundconf->{event}}) {
2928	my $face = cf::face::find "sound/$v";
2929	cf::sound::set $k => $face;
2930	}
2931	}
2932	}	3569	}
		3570
		3571	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2933		3572
2934	1	3573	1
2935	}	3574	}
2936		3575
2937	register_exticmd fx_want => sub {	3576	register_exticmd fx_want => sub {
…		…
2940	while (my ($k, $v) = each %$want) {	3579	while (my ($k, $v) = each %$want) {
2941	$ns->fx_want ($k, $v);	3580	$ns->fx_want ($k, $v);
2942	}	3581	}
2943	};	3582	};
2944		3583
		3584	sub load_resource_file($) {
		3585	my $guard = lock_acquire "load_resource_file";
		3586
		3587	my $status = load_resource_file_ $_[0];
		3588	get_slot 0.1, 100;
		3589	cf::arch::commit_load;
		3590
		3591	$status
		3592	}
		3593
2945	sub reload_regions {	3594	sub reload_regions {
		3595	# HACK to clear player env face cache, we need some signal framework
		3596	# for this (global event?)
		3597	%ext::player_env::MUSIC_FACE_CACHE = ();
		3598
2946	load_resource_file "$MAPDIR/regions"	3599	load_resource_file "$MAPDIR/regions"
2947	or die "unable to load regions file\n";	3600	or die "unable to load regions file\n";
2948		3601
2949	for (cf::region::list) {	3602	for (cf::region::list) {
2950	$_->{match} = qr/$_->{match}/	3603	$_->{match} = qr/$_->{match}/
…		…
2958	}	3611	}
2959		3612
2960	sub reload_archetypes {	3613	sub reload_archetypes {
2961	load_resource_file "$DATADIR/archetypes"	3614	load_resource_file "$DATADIR/archetypes"
2962	or die "unable to load archetypes\n";	3615	or die "unable to load archetypes\n";
2963	#d# NEED to laod twice to resolve forward references
2964	# this really needs to be done in an extra post-pass
2965	# (which needs to be synchronous, so solve it differently)
2966	load_resource_file "$DATADIR/archetypes"
2967	or die "unable to load archetypes\n";
2968	}	3616	}
2969		3617
2970	sub reload_treasures {	3618	sub reload_treasures {
2971	load_resource_file "$DATADIR/treasures"	3619	load_resource_file "$DATADIR/treasures"
2972	or die "unable to load treasurelists\n";	3620	or die "unable to load treasurelists\n";
2973	}	3621	}
2974		3622
		3623	sub reload_sound {
		3624	trace "loading sound config from $DATADIR/sound\n";
		3625
		3626	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3627
		3628	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3629	my $sound = $soundconf->{compat}[$_]
		3630	or next;
		3631
		3632	my $face = cf::face::find "sound/$sound->[1]";
		3633	cf::sound::set $sound->[0] => $face;
		3634	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3635	}
		3636
		3637	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3638	my $face = cf::face::find "sound/$v";
		3639	cf::sound::set $k => $face;
		3640	}
		3641	}
		3642
2975	sub reload_resources {	3643	sub reload_resources {
2976	warn "reloading resource files...\n";	3644	trace "reloading resource files...\n";
2977		3645
		3646	reload_exp_table;
		3647	reload_materials;
		3648	reload_facedata;
		3649	reload_sound;
		3650	reload_archetypes;
2978	reload_regions;	3651	reload_regions;
2979	reload_facedata;
2980	#reload_archetypes;#d#
2981	reload_archetypes;
2982	reload_treasures;	3652	reload_treasures;
2983		3653
2984	warn "finished reloading resource files\n";	3654	trace "finished reloading resource files\n";
2985	}	3655	}
2986		3656
2987	sub init {	3657	sub reload_config {
2988	reload_resources;	3658	trace "reloading config file...\n";
2989	}
2990		3659
2991	sub cfg_load {	3660	my $config = load_file "$CONFDIR/config";
2992	open my $fh, "<:utf8", "$CONFDIR/config"	3661	utf8::decode $config;
2993	or return;	3662	*CFG = decode_yaml $config;
2994		3663
2995	local $/;
2996	*CFG = YAML::Syck::Load <$fh>;
2997
2998	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3664	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2999		3665
3000	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3666	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3001	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3667	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3002		3668
3003	if (exists $CFG{mlockall}) {	3669	if (exists $CFG{mlockall}) {
…		…
3007	};	3673	};
3008	warn $@ if $@;	3674	warn $@ if $@;
3009	}	3675	}
3010	}	3676	}
3011		3677
		3678	sub pidfile() {
		3679	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3680	or die "$PIDFILE: $!";
		3681	flock $fh, &Fcntl::LOCK_EX
		3682	or die "$PIDFILE: flock: $!";
		3683	$fh
		3684	}
		3685
		3686	# make sure only one server instance is running at any one time
		3687	sub atomic {
		3688	my $fh = pidfile;
		3689
		3690	my $pid = <$fh>;
		3691	kill 9, $pid if $pid > 0;
		3692
		3693	seek $fh, 0, 0;
		3694	print $fh $$;
		3695	}
		3696
		3697	sub main_loop {
		3698	trace "EV::loop starting\n";
		3699	if (1) {
		3700	EV::loop;
		3701	}
		3702	trace "EV::loop returned\n";
		3703	goto &main_loop unless $REALLY_UNLOOP;
		3704	}
		3705
3012	sub main {	3706	sub main {
		3707	cf::init_globals; # initialise logging
		3708
		3709	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3710	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3711	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3712	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3713
		3714	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3715
3013	# we must not ever block the main coroutine	3716	# we must not ever block the main coroutine
3014	local $Coro::idle = sub {	3717	local $Coro::idle = sub {
3015	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3718	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3016	(async {	3719	(async {
3017	Event::one_event;	3720	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3721	EV::loop EV::LOOP_ONESHOT;
3018	})->prio (Coro::PRIO_MAX);	3722	})->prio (Coro::PRIO_MAX);
3019	};	3723	};
3020		3724
3021	cfg_load;	3725	evthread_start IO::AIO::poll_fileno;
		3726
		3727	cf::sync_job {
		3728	cf::incloader::init ();
		3729
		3730	cf::init_anim;
		3731	cf::init_attackmess;
		3732	cf::init_dynamic;
		3733
		3734	cf::load_settings;
		3735
		3736	reload_resources;
		3737	reload_config;
3022	db_init;	3738	db_init;
		3739
		3740	cf::init_uuid;
		3741	cf::init_signals;
		3742	cf::init_skills;
		3743
		3744	cf::init_beforeplay;
		3745
		3746	atomic;
		3747
3023	load_extensions;	3748	load_extensions;
3024		3749
3025	$TICK_WATCHER->start;	3750	utime time, time, $RUNTIMEFILE;
3026	Event::loop;	3751
		3752	# no (long-running) fork's whatsoever before this point(!)
		3753	use POSIX ();
		3754	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3755
		3756	cf::_post_init 0;
		3757	};
		3758
		3759	cf::object::thawer::errors_are_fatal 0;
		3760	info "parse errors in files are no longer fatal from this point on.\n";
		3761
		3762	my $free_main; $free_main = EV::idle sub {
		3763	undef $free_main;
		3764	undef &main; # free gobs of memory :)
		3765	};
		3766
		3767	goto &main_loop;
3027	}	3768	}
3028		3769
3029	#############################################################################	3770	#############################################################################
3030	# initialisation and cleanup	3771	# initialisation and cleanup
3031		3772
3032	# install some emergency cleanup handlers	3773	# install some emergency cleanup handlers
3033	BEGIN {	3774	BEGIN {
		3775	our %SIGWATCHER = ();
3034	for my $signal (qw(INT HUP TERM)) {	3776	for my $signal (qw(INT HUP TERM)) {
3035	Event->signal (	3777	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3036	reentrant => 0,
3037	data => WF_AUTOCANCEL,
3038	signal => $signal,
3039	prio => 0,
3040	cb => sub {
3041	cf::cleanup "SIG$signal";	3778	cf::cleanup "SIG$signal";
3042	},
3043	);	3779	};
3044	}	3780	}
3045	}	3781	}
3046		3782
3047	sub write_runtime {	3783	sub write_runtime_sync {
3048	my $runtime = "$LOCALDIR/runtime";	3784	my $t0 = AE::time;
3049		3785
3050	# first touch the runtime file to show we are still running:	3786	# first touch the runtime file to show we are still running:
3051	# the fsync below can take a very very long time.	3787	# the fsync below can take a very very long time.
3052		3788
3053	IO::AIO::aio_utime $runtime, undef, undef;	3789	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3054		3790
3055	my $guard = cf::lock_acquire "write_runtime";	3791	my $guard = cf::lock_acquire "write_runtime";
3056		3792
3057	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3793	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3058	or return;	3794	or return;
3059		3795
3060	my $value = $cf::RUNTIME + 90 + 10;	3796	my $value = $cf::RUNTIME + 90 + 10;
3061	# 10 is the runtime save interval, for a monotonic clock	3797	# 10 is the runtime save interval, for a monotonic clock
3062	# 60 allows for the watchdog to kill the server.	3798	# 60 allows for the watchdog to kill the server.
…		…
3072	aio_utime $fh, undef, undef;	3808	aio_utime $fh, undef, undef;
3073		3809
3074	close $fh	3810	close $fh
3075	or return;	3811	or return;
3076		3812
3077	aio_rename "$runtime~", $runtime	3813	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3078	and return;	3814	and return;
3079		3815
3080	warn "runtime file written.\n";	3816	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3081		3817
3082	1	3818	1
		3819	}
		3820
		3821	our $uuid_lock;
		3822	our $uuid_skip;
		3823
		3824	sub write_uuid_sync($) {
		3825	$uuid_skip ||= $_[0];
		3826
		3827	return if $uuid_lock;
		3828	local $uuid_lock = 1;
		3829
		3830	my $uuid = "$LOCALDIR/uuid";
		3831
		3832	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3833	or return;
		3834
		3835	my $value = uuid_seq uuid_cur;
		3836
		3837	unless ($value) {
		3838	info "cowardly refusing to write zero uuid value!\n";
		3839	return;
		3840	}
		3841
		3842	my $value = uuid_str $value + $uuid_skip;
		3843	$uuid_skip = 0;
		3844
		3845	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3846	and return;
		3847
		3848	# always fsync - this file is important
		3849	aio_fsync $fh
		3850	and return;
		3851
		3852	close $fh
		3853	or return;
		3854
		3855	aio_rename "$uuid~", $uuid
		3856	and return;
		3857
		3858	trace "uuid file written ($value).\n";
		3859
		3860	1
		3861
		3862	}
		3863
		3864	sub write_uuid($$) {
		3865	my ($skip, $sync) = @_;
		3866
		3867	$sync ? write_uuid_sync $skip
		3868	: async { write_uuid_sync $skip };
3083	}	3869	}
3084		3870
3085	sub emergency_save() {	3871	sub emergency_save() {
3086	my $freeze_guard = cf::freeze_mainloop;	3872	my $freeze_guard = cf::freeze_mainloop;
3087		3873
3088	warn "enter emergency perl save\n";	3874	info "emergency_perl_save: enter\n";
		3875
		3876	# this is a trade-off: we want to be very quick here, so
		3877	# save all maps without fsync, and later call a global sync
		3878	# (which in turn might be very very slow)
		3879	local $USE_FSYNC = 0;
3089		3880
3090	cf::sync_job {	3881	cf::sync_job {
		3882	cf::write_runtime_sync; # external watchdog should not bark
		3883
3091	# use a peculiar iteration method to avoid tripping on perl	3884	# use a peculiar iteration method to avoid tripping on perl
3092	# refcount bugs in for. also avoids problems with players	3885	# refcount bugs in for. also avoids problems with players
3093	# and maps saved/destroyed asynchronously.	3886	# and maps saved/destroyed asynchronously.
3094	warn "begin emergency player save\n";	3887	info "emergency_perl_save: begin player save\n";
3095	for my $login (keys %cf::PLAYER) {	3888	for my $login (keys %cf::PLAYER) {
3096	my $pl = $cf::PLAYER{$login} or next;	3889	my $pl = $cf::PLAYER{$login} or next;
3097	$pl->valid or next;	3890	$pl->valid or next;
		3891	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3098	$pl->save;	3892	$pl->save;
3099	}	3893	}
3100	warn "end emergency player save\n";	3894	info "emergency_perl_save: end player save\n";
3101		3895
3102	warn "begin emergency map save\n";	3896	cf::write_runtime_sync; # external watchdog should not bark
		3897
		3898	info "emergency_perl_save: begin map save\n";
3103	for my $path (keys %cf::MAP) {	3899	for my $path (keys %cf::MAP) {
3104	my $map = $cf::MAP{$path} or next;	3900	my $map = $cf::MAP{$path} or next;
3105	$map->valid or next;	3901	$map->valid or next;
3106	$map->save;	3902	$map->save;
3107	}	3903	}
3108	warn "end emergency map save\n";	3904	info "emergency_perl_save: end map save\n";
3109		3905
3110	warn "begin emergency database checkpoint\n";	3906	cf::write_runtime_sync; # external watchdog should not bark
		3907
		3908	info "emergency_perl_save: begin database checkpoint\n";
3111	BDB::db_env_txn_checkpoint $DB_ENV;	3909	BDB::db_env_txn_checkpoint $DB_ENV;
3112	warn "end emergency database checkpoint\n";	3910	info "emergency_perl_save: end database checkpoint\n";
		3911
		3912	info "emergency_perl_save: begin write uuid\n";
		3913	write_uuid_sync 1;
		3914	info "emergency_perl_save: end write uuid\n";
		3915
		3916	cf::write_runtime_sync; # external watchdog should not bark
		3917
		3918	trace "emergency_perl_save: syncing database to disk";
		3919	BDB::db_env_txn_checkpoint $DB_ENV;
		3920
		3921	info "emergency_perl_save: starting sync\n";
		3922	IO::AIO::aio_sync sub {
		3923	info "emergency_perl_save: finished sync\n";
		3924	};
		3925
		3926	cf::write_runtime_sync; # external watchdog should not bark
		3927
		3928	trace "emergency_perl_save: flushing outstanding aio requests";
		3929	while (IO::AIO::nreqs || BDB::nreqs) {
		3930	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3931	}
		3932
		3933	cf::write_runtime_sync; # external watchdog should not bark
3113	};	3934	};
3114		3935
3115	warn "leave emergency perl save\n";	3936	info "emergency_perl_save: leave\n";
3116	}	3937	}
3117		3938
3118	sub post_cleanup {	3939	sub post_cleanup {
3119	my ($make_core) = @_;	3940	my ($make_core) = @_;
3120		3941
		3942	IO::AIO::flush;
		3943
3121	warn Carp::longmess "post_cleanup backtrace"	3944	error Carp::longmess "post_cleanup backtrace"
3122	if $make_core;	3945	if $make_core;
		3946
		3947	my $fh = pidfile;
		3948	unlink $PIDFILE if <$fh> == $$;
		3949	}
		3950
		3951	# a safer delete_package, copied from Symbol
		3952	sub clear_package($) {
		3953	my $pkg = shift;
		3954
		3955	# expand to full symbol table name if needed
		3956	unless ($pkg =~ /^main::.*::$/) {
		3957	$pkg = "main$pkg" if $pkg =~ /^::/;
		3958	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3959	$pkg .= '::' unless $pkg =~ /::$/;
		3960	}
		3961
		3962	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3963	my $stem_symtab = *{$stem}{HASH};
		3964
		3965	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3966	or return;
		3967
		3968	# clear all symbols
		3969	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3970	for my $name (keys %$leaf_symtab) {
		3971	_gv_clear *{"$pkg$name"};
		3972	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3973	}
3123	}	3974	}
3124		3975
3125	sub do_reload_perl() {	3976	sub do_reload_perl() {
3126	# can/must only be called in main	3977	# can/must only be called in main
3127	if ($Coro::current != $Coro::main) {	3978	unless (in_main) {
3128	warn "can only reload from main coroutine";	3979	error "can only reload from main coroutine";
3129	return;	3980	return;
3130	}	3981	}
3131		3982
3132	warn "reloading...";	3983	return if $RELOAD++;
3133		3984
3134	warn "entering sync_job";	3985	my $t1 = AE::time;
3135		3986
		3987	while ($RELOAD) {
		3988	cf::get_slot 0.1, -1, "reload_perl";
		3989	info "perl_reload: reloading...";
		3990
		3991	trace "perl_reload: entering sync_job";
		3992
3136	cf::sync_job {	3993	cf::sync_job {
3137	cf::write_runtime; # external watchdog should not bark
3138	cf::emergency_save;	3994	#cf::emergency_save;
3139	cf::write_runtime; # external watchdog should not bark
3140		3995
3141	warn "syncing database to disk";
3142	BDB::db_env_txn_checkpoint $DB_ENV;
3143
3144	# if anything goes wrong in here, we should simply crash as we already saved
3145
3146	warn "cancelling all WF_AUTOCANCEL watchers";
3147	for (Event::all_watchers) {
3148	$_->cancel if $_->data & WF_AUTOCANCEL;
3149	}
3150
3151	warn "flushing outstanding aio requests";
3152	for (;;) {
3153	BDB::flush;
3154	IO::AIO::flush;
3155	Coro::cede;
3156	last unless IO::AIO::nreqs || BDB::nreqs;
3157	warn "iterate...";
3158	}
3159
3160	++$RELOAD;
3161
3162	warn "cancelling all extension coros";	3996	trace "perl_reload: cancelling all extension coros";
3163	$_->cancel for values %EXT_CORO;	3997	$_->cancel for values %EXT_CORO;
3164	%EXT_CORO = ();	3998	%EXT_CORO = ();
3165		3999
3166	warn "removing commands";	4000	trace "perl_reload: removing commands";
3167	%COMMAND = ();	4001	%COMMAND = ();
3168		4002
3169	warn "removing ext/exti commands";	4003	trace "perl_reload: removing ext/exti commands";
3170	%EXTCMD = ();	4004	%EXTCMD = ();
3171	%EXTICMD = ();	4005	%EXTICMD = ();
3172		4006
3173	warn "unloading/nuking all extensions";	4007	trace "perl_reload: unloading/nuking all extensions";
3174	for my $pkg (@EXTS) {	4008	for my $pkg (@EXTS) {
3175	warn "... unloading $pkg";	4009	trace "... unloading $pkg";
3176		4010
3177	if (my $cb = $pkg->can ("unload")) {	4011	if (my $cb = $pkg->can ("unload")) {
3178	eval {	4012	eval {
3179	$cb->($pkg);	4013	$cb->($pkg);
3180	1	4014	1
3181	} or warn "$pkg unloaded, but with errors: $@";	4015	} or error "$pkg unloaded, but with errors: $@";
		4016	}
		4017
		4018	trace "... clearing $pkg";
		4019	clear_package $pkg;
3182	}	4020	}
3183		4021
3184	warn "... nuking $pkg";
3185	Symbol::delete_package $pkg;
3186	}
3187
3188	warn "unloading all perl modules loaded from $LIBDIR";	4022	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3189	while (my ($k, $v) = each %INC) {	4023	while (my ($k, $v) = each %INC) {
3190	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4024	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3191		4025
3192	warn "... unloading $k";	4026	trace "... unloading $k";
3193	delete $INC{$k};	4027	delete $INC{$k};
3194		4028
3195	$k =~ s/\.pm$//;	4029	$k =~ s/\.pm$//;
3196	$k =~ s/\//::/g;	4030	$k =~ s/\//::/g;
3197		4031
3198	if (my $cb = $k->can ("unload_module")) {	4032	if (my $cb = $k->can ("unload_module")) {
3199	$cb->();	4033	$cb->();
		4034	}
		4035
		4036	clear_package $k;
3200	}	4037	}
3201		4038
3202	Symbol::delete_package $k;
3203	}
3204
3205	warn "getting rid of safe::, as good as possible";	4039	trace "perl_reload: getting rid of safe::, as good as possible";
3206	Symbol::delete_package "safe::$_"	4040	clear_package "safe::$_"
3207	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4041	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3208		4042
3209	warn "unloading cf.pm \"a bit\"";	4043	trace "perl_reload: unloading cf.pm \"a bit\"";
3210	delete $INC{"cf.pm"};	4044	delete $INC{"cf.pm"};
3211	delete $INC{"cf/pod.pm"};	4045	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3212		4046
3213	# don't, removes xs symbols, too,	4047	# don't, removes xs symbols, too,
3214	# and global variables created in xs	4048	# and global variables created in xs
3215	#Symbol::delete_package __PACKAGE__;	4049	#clear_package __PACKAGE__;
3216		4050
3217	warn "unload completed, starting to reload now";	4051	info "perl_reload: unload completed, starting to reload now";
3218		4052
3219	warn "reloading cf.pm";	4053	trace "perl_reload: reloading cf.pm";
3220	require cf;	4054	require cf;
3221	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4055	cf::_connect_to_perl_1;
3222		4056
3223	warn "loading config and database again";	4057	trace "perl_reload: loading config and database again";
3224	cf::cfg_load;	4058	cf::reload_config;
3225		4059
3226	warn "loading extensions";	4060	trace "perl_reload: loading extensions";
3227	cf::load_extensions;	4061	cf::load_extensions;
3228		4062
		4063	if ($REATTACH_ON_RELOAD) {
3229	warn "reattaching attachments to objects/players";	4064	trace "perl_reload: reattaching attachments to objects/players";
3230	_global_reattach; # objects, sockets	4065	_global_reattach; # objects, sockets
3231	warn "reattaching attachments to maps";	4066	trace "perl_reload: reattaching attachments to maps";
3232	reattach $_ for values %MAP;	4067	reattach $_ for values %MAP;
3233	warn "reattaching attachments to players";	4068	trace "perl_reload: reattaching attachments to players";
3234	reattach $_ for values %PLAYER;	4069	reattach $_ for values %PLAYER;
		4070	}
3235		4071
3236	warn "leaving sync_job";	4072	cf::_post_init 1;
3237		4073
		4074	trace "perl_reload: leaving sync_job";
		4075
3238	1	4076	1
3239	} or do {	4077	} or do {
3240	warn $@;	4078	error $@;
3241	warn "error while reloading, exiting.";	4079	cf::cleanup "perl_reload: error, exiting.";
3242	exit 1;	4080	};
		4081
		4082	--$RELOAD;
3243	};	4083	}
3244		4084
3245	warn "reloaded";	4085	$t1 = AE::time - $t1;
		4086	info "perl_reload: completed in ${t1}s\n";
3246	};	4087	};
3247		4088
3248	our $RELOAD_WATCHER; # used only during reload	4089	our $RELOAD_WATCHER; # used only during reload
3249		4090
3250	sub reload_perl() {	4091	sub reload_perl() {
3251	# doing reload synchronously and two reloads happen back-to-back,	4092	# doing reload synchronously and two reloads happen back-to-back,
3252	# coro crashes during coro_state_free->destroy here.	4093	# coro crashes during coro_state_free->destroy here.
3253		4094
3254	$RELOAD_WATCHER ||= Event->timer (	4095	$RELOAD_WATCHER ||= cf::async {
3255	reentrant => 0,	4096	Coro::AIO::aio_wait cache_extensions;
3256	after => 0,	4097
3257	data => WF_AUTOCANCEL,	4098	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3258	cb => sub {
3259	do_reload_perl;	4099	do_reload_perl;
3260	undef $RELOAD_WATCHER;	4100	undef $RELOAD_WATCHER;
3261	},	4101	};
3262	);	4102	};
3263	}	4103	}
3264		4104
3265	register_command "reload" => sub {	4105	register_command "reload" => sub {
3266	my ($who, $arg) = @_;	4106	my ($who, $arg) = @_;
3267		4107
3268	if ($who->flag (FLAG_WIZ)) {	4108	if ($who->flag (FLAG_WIZ)) {
3269	$who->message ("reloading server.");	4109	$who->message ("reloading server.");
		4110	async {
		4111	$Coro::current->{desc} = "perl_reload";
3270	async { reload_perl };	4112	reload_perl;
		4113	};
3271	}	4114	}
3272	};	4115	};
3273		4116
3274	unshift @INC, $LIBDIR;	4117	#############################################################################
3275		4118
3276	my $bug_warning = 0;	4119	my $bug_warning = 0;
3277		4120
3278	our @WAIT_FOR_TICK;
3279	our @WAIT_FOR_TICK_BEGIN;
3280
3281	sub wait_for_tick {	4121	sub wait_for_tick() {
3282	return unless $TICK_WATCHER->is_active;	4122	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3283	return if $Coro::current == $Coro::main;
3284		4123
3285	my $signal = new Coro::Signal;	4124	$WAIT_FOR_TICK->wait;
3286	push @WAIT_FOR_TICK, $signal;
3287	$signal->wait;
3288	}	4125	}
3289		4126
3290	sub wait_for_tick_begin {	4127	sub wait_for_tick_begin() {
3291	return unless $TICK_WATCHER->is_active;	4128	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3292	return if $Coro::current == $Coro::main;
3293		4129
3294	my $signal = new Coro::Signal;	4130	my $signal = new Coro::Signal;
3295	push @WAIT_FOR_TICK_BEGIN, $signal;	4131	push @WAIT_FOR_TICK_BEGIN, $signal;
3296	$signal->wait;	4132	$signal->wait;
3297	}	4133	}
3298		4134
3299	my $min = 1e6;#d#	4135	sub tick {
3300	my $avg = 10;
3301	$TICK_WATCHER = Event->timer (
3302	reentrant => 0,
3303	parked => 1,
3304	prio => 0,
3305	at => $NEXT_TICK || $TICK,
3306	data => WF_AUTOCANCEL,
3307	cb => sub {
3308	if ($Coro::current != $Coro::main) {	4136	if ($Coro::current != $Coro::main) {
3309	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4137	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3310	unless ++$bug_warning > 10;	4138	unless ++$bug_warning > 10;
3311	return;	4139	return;
3312	}	4140	}
3313		4141
3314	$NOW = $tick_start = Event::time;	4142	cf::one_tick; # one server iteration
3315		4143
3316	cf::server_tick; # one server iteration	4144	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3317		4145
3318	0 && sync_job {#d#	4146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3319	for(1..10) {	4147	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3320	my $t = Event::time;	4148	Coro::async_pool {
3321	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4149	$Coro::current->{desc} = "runtime saver";
3322	or die;	4150	write_runtime_sync
3323		4151	or error "ERROR: unable to write runtime file: $!";
3324	$map->width (50);
3325	$map->height (50);
3326	$map->alloc;
3327	$map->_load_objects ("/tmp/x.map", 1);
3328	my $t = Event::time - $t;
3329
3330	#next unless $t < 0.0013;#d#
3331	if ($t < $min) {
3332	$min = $t;
3333	}
3334	$avg = $avg * 0.99 + $t * 0.01;
3335	}
3336	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3337	exit 0;
3338	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3339	};	4152	};
		4153	}
3340		4154
3341	$RUNTIME += $TICK;
3342	$NEXT_TICK += $TICK;
3343
3344	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3345	$NEXT_RUNTIME_WRITE = $NOW + 10;
3346	Coro::async_pool {
3347	write_runtime
3348	or warn "ERROR: unable to write runtime file: $!";
3349	};
3350	}
3351
3352	# my $AFTER = Event::time;
3353	# warn $AFTER - $NOW;#d#
3354
3355	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4155	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3356	$sig->send;	4156	$sig->send;
3357	}	4157	}
3358	while (my $sig = shift @WAIT_FOR_TICK) {	4158	$WAIT_FOR_TICK->broadcast;
3359	$sig->send;
3360	}
3361		4159
3362	$NOW = Event::time;	4160	$LOAD = ($NOW - $TICK_START) / $TICK;
3363
3364	# if we are delayed by four ticks or more, skip them all
3365	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3366
3367	$TICK_WATCHER->at ($NEXT_TICK);
3368	$TICK_WATCHER->start;
3369
3370	$LOAD = ($NOW - $tick_start) / $TICK;
3371	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4161	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3372		4162
3373	_post_tick;	4163	if (0) {
3374		4164	if ($NEXT_TICK) {
3375		4165	my $jitter = $TICK_START - $NEXT_TICK;
		4166	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4167	debug "jitter $JITTER\n";#d#
		4168	}
3376	},	4169	}
3377	);	4170	}
3378		4171
3379	{	4172	{
3380	BDB::max_poll_time $TICK * 0.1;	4173	# configure BDB
3381	$BDB_POLL_WATCHER = Event->io (	4174
3382	reentrant => 0,
3383	fd => BDB::poll_fileno,
3384	poll => 'r',
3385	prio => 0,
3386	data => WF_AUTOCANCEL,
3387	cb => \&BDB::poll_cb,
3388	);
3389	BDB::min_parallel 8;	4175	BDB::min_parallel 16;
3390		4176	BDB::max_poll_reqs $TICK * 0.1;
3391	BDB::set_sync_prepare {	4177	$AnyEvent::BDB::WATCHER->priority (1);
3392	my $status;
3393	my $current = $Coro::current;
3394	(
3395	sub {
3396	$status = $!;
3397	$current->ready; undef $current;
3398	},
3399	sub {
3400	Coro::schedule while defined $current;
3401	$! = $status;
3402	},
3403	)
3404	};
3405		4178
3406	unless ($DB_ENV) {	4179	unless ($DB_ENV) {
3407	$DB_ENV = BDB::db_env_create;	4180	$DB_ENV = BDB::db_env_create;
		4181	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4182	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4183	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4184	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4185	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3408		4186
3409	cf::sync_job {	4187	cf::sync_job {
3410	eval {	4188	eval {
3411	BDB::db_env_open	4189	BDB::db_env_open
3412	$DB_ENV,	4190	$DB_ENV,
…		…
3414	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4192	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3415	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4193	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3416	0666;	4194	0666;
3417		4195
3418	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4196	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3419
3420	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3421	$DB_ENV->set_lk_detect;
3422	};	4197	};
3423		4198
3424	cf::cleanup "db_env_open(db): $@" if $@;	4199	cf::cleanup "db_env_open(db): $@" if $@;
3425	};	4200	};
3426	}	4201	}
		4202
		4203	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4204	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4205	};
		4206	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4207	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4208	};
		4209	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4210	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4211	};
3427	}	4212	}
3428		4213
3429	{	4214	{
		4215	# configure IO::AIO
		4216
3430	IO::AIO::min_parallel 8;	4217	IO::AIO::min_parallel 8;
3431
3432	undef $Coro::AIO::WATCHER;
3433	IO::AIO::max_poll_time $TICK * 0.1;	4218	IO::AIO::max_poll_time $TICK * 0.1;
3434	$AIO_POLL_WATCHER = Event->io (	4219	undef $AnyEvent::AIO::WATCHER;
3435	reentrant => 0,
3436	data => WF_AUTOCANCEL,
3437	fd => IO::AIO::poll_fileno,
3438	poll => 'r',
3439	prio => 6,
3440	cb => \&IO::AIO::poll_cb,
3441	);
3442	}	4220	}
3443		4221
3444	my $_log_backtrace;	4222	our $_log_backtrace;
		4223	our $_log_backtrace_last;
3445		4224
3446	sub _log_backtrace {	4225	sub _log_backtrace {
3447	my ($msg, @addr) = @_;	4226	my ($msg, @addr) = @_;
3448		4227
3449	$msg =~ s/\n//;	4228	$msg =~ s/\n$//;
3450		4229
		4230	if ($_log_backtrace_last eq $msg) {
		4231	LOG llevInfo, "[ABT] $msg\n";
		4232	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3451	# limit the # of concurrent backtraces	4233	# limit the # of concurrent backtraces
3452	if ($_log_backtrace < 2) {	4234	} elsif ($_log_backtrace < 2) {
		4235	$_log_backtrace_last = $msg;
3453	++$_log_backtrace;	4236	++$_log_backtrace;
		4237	my $perl_bt = Carp::longmess $msg;
3454	async {	4238	async {
		4239	$Coro::current->{desc} = "abt $msg";
		4240
3455	my @bt = fork_call {	4241	my @bt = fork_call {
3456	@addr = map { sprintf "%x", $_ } @addr;	4242	@addr = map { sprintf "%x", $_ } @addr;
3457	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4243	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3458	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4244	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3459	or die "addr2line: $!";	4245	or die "addr2line: $!";
…		…
3467	}	4253	}
3468		4254
3469	@funcs	4255	@funcs
3470	};	4256	};
3471		4257
3472	LOG llevInfo, "[ABT] $msg\n";	4258	LOG llevInfo, "[ABT] $perl_bt\n";
		4259	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3473	LOG llevInfo, "[ABT] $_\n" for @bt;	4260	LOG llevInfo, "[ABT] $_\n" for @bt;
3474	--$_log_backtrace;	4261	--$_log_backtrace;
3475	};	4262	};
3476	} else {	4263	} else {
3477	LOG llevInfo, "[ABT] $msg\n";	4264	LOG llevInfo, "[ABT] $msg\n";
3478	LOG llevInfo, "[ABT] [suppressed]\n";	4265	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3479	}	4266	}
3480	}	4267	}
3481		4268
3482	# load additional modules	4269	# load additional modules
3483	use cf::pod;	4270	require "cf/$_.pm" for @EXTRA_MODULES;
		4271	cf::_connect_to_perl_2;
3484		4272
3485	END { cf::emergency_save }	4273	END { cf::emergency_save }
3486		4274
3487	1	4275	1
3488		4276

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