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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.358 by root, Fri Sep 7 18:10:52 2007 UTC vs.
Revision 1.578 by root, Wed Jan 4 02:48:57 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.64 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS ();	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
84	our $BDB_POLL_WATCHER;
85	our $DB_ENV;
86
87	our %CFG;
88
89	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;
91		139
92	our (%PLAYER, %PLAYER_LOADING); # all users	140	our (%PLAYER, %PLAYER_LOADING); # all users
93	our (%MAP, %MAP_LOADING ); # all maps	141	our (%MAP, %MAP_LOADING ); # 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
277	Locks are *not* recursive, locking from the same coro twice results in a	479	Locks are *not* recursive, locking from the same coro twice results in a
278	deadlocked coro.	480	deadlocked coro.
…		…
284		486
285	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.
286		488
287	=cut	489	=cut
288		490
289	our %LOCK;	491	our $LOCKS = new Coro::SemaphoreSet;
290	our %LOCKER;#d#
291		492
292	sub lock_wait($) {	493	sub lock_wait($) {
293	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
294
295	if ($LOCKER{$key} == $Coro::current) {#d#
296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
297	return;#d#
298	}#d#
299
300	# wait for lock, if any
301	while ($LOCK{$key}) {
302	push @{ $LOCK{$key} }, $Coro::current;
303	Coro::schedule;
304	}
305	}	495	}
306		496
307	sub lock_acquire($) {	497	sub lock_acquire($) {
308	my ($key) = @_;	498	$LOCKS->guard ($_[0])
309
310	# wait, to be sure we are not locked
311	lock_wait $key;
312
313	$LOCK{$key} = [];
314	$LOCKER{$key} = $Coro::current;#d#
315
316	Coro::guard {
317	delete $LOCKER{$key};#d#
318	# wake up all waiters, to be on the safe side
319	$_->ready for @{ delete $LOCK{$key} };
320	}
321	}	499	}
322		500
323	sub lock_active($) {	501	sub lock_active($) {
324	my ($key) = @_;	502	$LOCKS->count ($_[0]) < 1
325
326	! ! $LOCK{$key}
327	}	503	}
328		504
329	sub freeze_mainloop {	505	sub freeze_mainloop {
330	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
331		507
332	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
333	$TICK_WATCHER->start;	509	}
334	};	510
335	$TICK_WATCHER->stop;	511	=item cf::periodic $interval, $cb
336	$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
337	}	524	}
338		525
339	=item cf::get_slot $time[, $priority[, $name]]	526	=item cf::get_slot $time[, $priority[, $name]]
340		527
341	Allocate $time seconds of blocking CPU time at priority C<$priority>:	528	Allocate $time seconds of blocking CPU time at priority C<$priority>
342	This call blocks and returns only when you have at least C<$time> seconds	529	(default: 0): This call blocks and returns only when you have at least
343	of cpu time till the next tick. The slot is only valid till the next cede.	530	C<$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.
344		535
345	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
346	used for statistical purposes and should identify the same time-class.	537	used for statistical purposes and should identify the same time-class.
347		538
348	Useful for short background jobs.	539	Useful for short background jobs.
349		540
350	=cut	541	=cut
351		542
352	our @SLOT_QUEUE;	543	our @SLOT_QUEUE;
353	our $SLOT_QUEUE;	544	our $SLOT_QUEUE;
		545	our $SLOT_DECAY = 0.9;
354		546
355	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	547	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
356	$SLOT_QUEUE = Coro::async {	548	$SLOT_QUEUE = Coro::async {
		549	$Coro::current->desc ("timeslot manager");
		550
357	my $signal = new Coro::Signal;	551	my $signal = new Coro::Signal;
		552	my $busy;
358		553
359	while () {	554	while () {
360	next_job:	555	next_job:
		556
361	my $avail = cf::till_tick;	557	my $avail = cf::till_tick;
362	if ($avail > 0.01) {	558
363	for (0 .. $#SLOT_QUEUE) {	559	for (0 .. $#SLOT_QUEUE) {
364	if ($SLOT_QUEUE[$_][0] < $avail) {	560	if ($SLOT_QUEUE[$_][0] <= $avail) {
		561	$busy = 0;
365	my $job = splice @SLOT_QUEUE, $_, 1, ();	562	my $job = splice @SLOT_QUEUE, $_, 1, ();
366	$job->[2]->send;	563	$job->[2]->send;
367	Coro::cede;	564	Coro::cede;
368	goto next_job;	565	goto next_job;
369	}	566	} else {
		567	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
370	}	568	}
371	}	569	}
372		570
373	if (@SLOT_QUEUE) {	571	if (@SLOT_QUEUE) {
374	# 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
375	push @cf::WAIT_FOR_TICK, $signal;	573	$WAIT_FOR_TICK->wait;
376	$signal->wait;
377	} else {	574	} else {
		575	$busy = 0;
378	Coro::schedule;	576	Coro::schedule;
379	}	577	}
380	}	578	}
381	};	579	};
382		580
383	sub get_slot($;$$) {	581	sub get_slot($;$$) {
		582	return if tick_inhibit || $Coro::current == $Coro::main;
		583
384	my ($time, $pri, $name) = @_;	584	my ($time, $pri, $name) = @_;
385		585
386	$time = $TICK * .6 if $time > $TICK * .6;	586	$time = clamp $time, 0.01, $TICK * .6;
		587
387	my $sig = new Coro::Signal;	588	my $sig = new Coro::Signal;
388		589
389	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	590	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
390	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	591	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
391	$SLOT_QUEUE->ready;	592	$SLOT_QUEUE->ready;
…		…
402		603
403	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
404		605
405	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
406		607
407	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	608	The design of Deliantra requires that the main coroutine ($Coro::main)
408	is always able to handle events or runnable, as Crossfire TRT is only	609	is always able to handle events or runnable, as Deliantra is only
409	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	610	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
410	acceptable.	611	acceptable.
411		612
412	If it must be done, put the blocking parts into C<sync_job>. This will run	613	If it must be done, put the blocking parts into C<sync_job>. This will run
413	the given BLOCK in another coroutine while waiting for the result. The	614	the given BLOCK in another coroutine while waiting for the result. The
…		…
417	=cut	618	=cut
418		619
419	sub sync_job(&) {	620	sub sync_job(&) {
420	my ($job) = @_;	621	my ($job) = @_;
421		622
422	if ($Coro::current == $Coro::main) {	623	if (in_main) {
423	my $time = Event::time;	624	my $time = AE::time;
424		625
425	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
426	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
427		628
428	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
429	# (but this is cancel-safe)	630
430	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
431		632
432	my $busy = 1;	633	my $busy = 1;
433	my @res;	634	my @res;
434		635
435	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
436	@res = eval { $job->() };	638	@res = eval { $job->() };
437	warn $@ if $@;	639	error $@ if $@;
438	undef $busy;	640	undef $busy;
439	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
440		642
441	while ($busy) {	643	while ($busy) {
442	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
443	}	648	}
		649	}
444		650
445	$time = Event::time - $time;	651	my $time = AE::time - $time;
446		652
447	LOG llevError | logBacktrace, Carp::longmess "long sync job"
448	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
449
450	$tick_start += $time; # do not account sync jobs to server load	653	$TICK_START += $time; # do not account sync jobs to server load
451		654
452	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
453	} else {	656	} else {
454	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
455		658
…		…
475	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
476		679
477	$coro	680	$coro
478	}	681	}
479		682
480	=item fork_call { }, $args	683	=item fork_call { }, @args
481		684
482	Executes the given code block with the given arguments in a seperate	685	Executes the given code block with the given arguments in a seperate
483	process, returning the results. Everything must be serialisable with	686	process, returning the results. Everything must be serialisable with
484	Coro::Storable. May, of course, block. Note that the executed sub may	687	Coro::Storable. May, of course, block. Note that the executed sub may
485	never block itself or use any form of Event handling.	688	never block itself or use any form of event handling.
486		689
487	=cut	690	=cut
		691
		692	sub post_fork {
		693	reset_signals;
		694	}
488		695
489	sub fork_call(&@) {	696	sub fork_call(&@) {
490	my ($cb, @args) = @_;	697	my ($cb, @args) = @_;
491		698
492	# we seemingly have to make a local copy of the whole thing,	699	# we seemingly have to make a local copy of the whole thing,
493	# otherwise perl prematurely frees the stuff :/	700	# otherwise perl prematurely frees the stuff :/
494	# TODO: investigate and fix (likely this will be rather laborious)	701	# TODO: investigate and fix (likely this will be rather laborious)
495		702
496	my @res = Coro::Util::fork_eval {	703	my @res = Coro::Util::fork_eval {
497	reset_signals;	704	cf::post_fork;
498	&$cb	705	&$cb
499	}, @args;	706	} @args;
500		707
501	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
502	}	747	}
503		748
504	=item $value = cf::db_get $family => $key	749	=item $value = cf::db_get $family => $key
505		750
506	Returns a single value from the environment database.	751	Returns a single value from the environment database.
…		…
508	=item cf::db_put $family => $key => $value	753	=item cf::db_put $family => $key => $value
509		754
510	Stores the given C<$value> in the family. It can currently store binary	755	Stores the given C<$value> in the family. It can currently store binary
511	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).
512		757
		758	=item $db = cf::db_table "name"
		759
		760	Create and/or open a new database table. The string must not be "db" and must be unique
		761	within each server.
		762
513	=cut	763	=cut
		764
		765	sub db_table($) {
		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	}
514		784
515	our $DB;	785	our $DB;
516		786
517	sub db_init {	787	sub db_init {
518	unless ($DB) {	788	$DB ||= db_table "db";
519	$DB = BDB::db_create $DB_ENV;
520
521	cf::sync_job {
522	eval {
523	$DB->set_flags (BDB::CHKSUM);
524
525	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
526	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
527	cf::cleanup "db_open(db): $!" if $!;
528	};
529	cf::cleanup "db_open(db): $@" if $@;
530	};
531	}
532	}	789	}
533		790
534	sub db_get($$) {	791	sub db_get($$) {
535	my $key = "$_[0]/$_[1]";	792	my $key = "$_[0]/$_[1]";
536		793
537	cf::sync_job {	794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
538	BDB::db_get $DB, undef, $key, my $data;	797	BDB::db_get $DB, undef, $key, my $data;
539		798
540	$! ? ()	799	$! ? ()
541	: $data	800	: $data
542	}
543	}	801	}
544		802
545	sub db_put($$$) {	803	sub db_put($$$) {
546	BDB::dbreq_pri 4;	804	BDB::dbreq_pri 4;
547	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
575		833
576	my @data;	834	my @data;
577	my $md5;	835	my $md5;
578		836
579	for (0 .. $#$src) {	837	for (0 .. $#$src) {
580	0 <= aio_load $src->[$_], $data[$_]	838	$data[$_] = load_file $src->[$_];
581	or Carp::croak "$src->[$_]: $!";
582	}	839	}
583		840
584	# if processing is expensive, check	841	# if processing is expensive, check
585	# checksum first	842	# checksum first
586	if (1) {	843	if (1) {
…		…
603		860
604	my $t1 = Time::HiRes::time;	861	my $t1 = Time::HiRes::time;
605	my $data = $process->(\@data);	862	my $data = $process->(\@data);
606	my $t2 = Time::HiRes::time;	863	my $t2 = Time::HiRes::time;
607		864
608	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
609		866
610	db_put cache => "$id/data", $data;	867	db_put cache => "$id/data", $data;
611	db_put cache => "$id/md5" , $md5;	868	db_put cache => "$id/md5" , $md5;
612	db_put cache => "$id/meta", $meta;	869	db_put cache => "$id/meta", $meta;
613		870
…		…
623		880
624	=cut	881	=cut
625		882
626	sub datalog($@) {	883	sub datalog($@) {
627	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
628	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
629	}	886	}
630		887
631	=back	888	=back
632		889
633	=cut	890	=cut
634		891
635	#############################################################################	892	#############################################################################
636		893
637	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
638		895
639	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
640	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")
641	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
642		899
643	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>
644	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
645	Crossfire TRT).	902	Deliantra).
646		903
647	=over 4	904	=over 4
648		905
649	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
650		907
…		…
694	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
695		952
696	Register an attachment by C<$name> through which attachable objects of the	953	Register an attachment by C<$name> through which attachable objects of the
697	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
698		955
699	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
700	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.
701		958
702	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
703		960
704	=over 4	961	=over 4
…		…
828		1085
829	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
830	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
831		1088
832	} elsif (ref $type) {	1089	} elsif (ref $type) {
833	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
834		1091
835	} else {	1092	} else {
836	shift @arg;	1093	shift @arg;
837	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
838	}	1095	}
839	}	1096	}
840	}	1097	}
841		1098
842	sub _object_attach {	1099	sub _object_attach {
…		…
852	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
853	}	1110	}
854		1111
855	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
856	} else {	1113	} else {
857	warn "object uses attachment '$name' which is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
858	}	1115	}
859		1116
860	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
861	}	1118	}
862		1119
…		…
921		1178
922	for (@$callbacks) {	1179	for (@$callbacks) {
923	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
924		1181
925	if ($@) {	1182	if ($@) {
926	warn "$@";
927	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
928	override;	1184	override;
929	}	1185	}
930		1186
931	return 1 if $override;	1187	return 1 if $override;
932	}	1188	}
933		1189
934	0	1190	0
935	}	1191	}
936		1192
937	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
938		1194
939	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
940		1196
941	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
942		1198
…		…
948		1204
949	=cut	1205	=cut
950		1206
951	#############################################################################	1207	#############################################################################
952	# object support	1208	# object support
953	#
954		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 $SLOW_MERGES;#d#
955	sub _can_merge {	1243	sub _can_merge {
956	my ($ob1, $ob2) = @_;	1244	my ($ob1, $ob2) = @_;
957		1245
958	local $Storable::canonical = 1;	1246	++$SLOW_MERGES;#d#
959	my $fob1 = Storable::freeze $ob1;
960	my $fob2 = Storable::freeze $ob2;
961		1247
962	$fob1 eq $fob2	1248	# we do the slow way here
		1249	return _object_equal $ob1, $ob2
963	}	1250	}
964		1251
965	sub reattach {	1252	sub reattach {
966	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
967	my ($obj) = @_;	1254	my ($obj) = @_;
968		1255
		1256	# no longer needed after getting rid of delete_package?
969	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
970		1258
971	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
972		1260
973	@$registry = ();	1261	@$registry = ();
974		1262
…		…
979	for (@$attach) {	1267	for (@$attach) {
980	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
981	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
982	}	1270	}
983	} else {	1271	} else {
984	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
985	}	1273	}
986	}	1274	}
987	}	1275	}
988		1276
989	cf::attachable->attach (	1277	cf::attachable->attach (
990	prio => -1000000,	1278	prio => -1000000,
991	on_instantiate => sub {	1279	on_instantiate => sub {
992	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
993		1281
994	$data = from_json $data;	1282	$data = decode_json $data;
995		1283
996	for (@$data) {	1284	for (@$data) {
997	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
998		1286
999	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
1013	);	1301	);
1014		1302
1015	sub object_freezer_save {	1303	sub object_freezer_save {
1016	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
1017		1305
1018	my $guard = cf::lock_acquire "io";
1019
1020	sync_job {	1306	sync_job {
1021	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
1022	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
1023	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
1024		1312
1025	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1026	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
1027	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1028	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	}
1029	close $fh;	1320	aio_close $fh;
1030		1321
1031	if (@$objs) {	1322	if (@$objs) {
1032	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) {
1033	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
1034	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1035	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
1036	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	}
1037	close $fh;	1331	aio_close $fh;
1038	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
1039	}	1333	}
1040	} else {	1334	} else {
1041	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
1042	}	1336	}
1043		1337
1044	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
1045	} else {	1342	} else {
1046	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
1047	}	1344	}
1048	} else {	1345	} else {
1049	aio_unlink $filename;	1346	aio_unlink $filename;
1050	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
1051	}	1348	}
1052	};	1349	};
1053
1054	undef $guard;
1055	}	1350	}
1056		1351
1057	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
1058	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
1059		1354
…		…
1064		1359
1065	sub object_thawer_load {	1360	sub object_thawer_load {
1066	my ($filename) = @_;	1361	my ($filename) = @_;
1067		1362
1068	my ($data, $av);	1363	my ($data, $av);
1069
1070	my $guard = cf::lock_acquire "io";
1071		1364
1072	(aio_load $filename, $data) >= 0	1365	(aio_load $filename, $data) >= 0
1073	or return;	1366	or return;
1074		1367
1075	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
1076	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
1077	or return;	1370	or return;
1078		1371
1079	undef $guard;
1080	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
1081	}	1374	}
1082		1375
		1376	utf8::decode (my $decname = $filename);
1083	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
1084	$filename, length $data, scalar @{$av || []};	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
1085		1380
1086	($data, $av)	1381	($data, $av)
1087	}	1382	}
1088		1383
1089	=head2 COMMAND CALLBACKS	1384	=head2 COMMAND CALLBACKS
…		…
1145	my ($name, $cb) = @_;	1440	my ($name, $cb) = @_;
1146		1441
1147	$EXTICMD{$name} = $cb;	1442	$EXTICMD{$name} = $cb;
1148	}	1443	}
1149		1444
		1445	use File::Glob ();
		1446
1150	cf::player->attach (	1447	cf::player->attach (
1151	on_command => sub {	1448	on_unknown_command => sub {
1152	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
1153		1450
1154	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
1155	or return;	1452	or return;
1156		1453
…		…
1164	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
1165		1462
1166	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1167		1464
1168	if (ref $msg) {	1465	if (ref $msg) {
1169	my ($type, $reply, @payload) =	1466	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1170	"ARRAY" eq ref $msg
1171	? @$msg
1172	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1173		1467
1174	my @reply;	1468	my @reply;
1175		1469
1176	if (my $cb = $EXTCMD{$type}) {	1470	if (my $cb = $EXTCMD{$type}) {
1177	@reply = $cb->($pl, @payload);	1471	@reply = $cb->($pl, @payload);
…		…
1179		1473
1180	$pl->ext_reply ($reply, @reply)	1474	$pl->ext_reply ($reply, @reply)
1181	if $reply;	1475	if $reply;
1182		1476
1183	} else {	1477	} else {
1184	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1478	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1185	}	1479	}
1186		1480
1187	cf::override;	1481	cf::override;
1188	},	1482	},
1189	);	1483	);
1190		1484
		1485	# "readahead" all extensions
		1486	sub cache_extensions {
		1487	my $grp = IO::AIO::aio_group;
		1488
		1489	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1490	for (grep /\.ext$/, @{$_[0]}) {
		1491	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1492	}
		1493	};
		1494
		1495	$grp
		1496	}
		1497
1191	sub load_extensions {	1498	sub load_extensions {
		1499	info "loading extensions...";
		1500
1192	cf::sync_job {	1501	cf::sync_job {
1193	my %todo;	1502	my %todo;
1194		1503
1195	for my $path (<$LIBDIR/*.ext>) {	1504	for my $path (<$LIBDIR/*.ext>) {
1196	next unless -r $path;	1505	next unless -r $path;
…		…
1214		1523
1215	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1524	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1216	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1525	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1217		1526
1218	$ext{source} =	1527	$ext{source} =
1219	"package $pkg; use strict; use utf8;\n"	1528	"package $pkg; use common::sense;\n"
1220	. "#line 1 \"$path\"\n{\n"	1529	. "#line 1 \"$path\"\n{\n"
1221	. $source	1530	. $source
1222	. "\n};\n1";	1531	. "\n};\n1";
1223		1532
1224	$todo{$base} = \%ext;	1533	$todo{$base} = \%ext;
1225	}	1534	}
1226		1535
		1536	my $pass = 0;
1227	my %done;	1537	my %done;
1228	while (%todo) {	1538	while (%todo) {
1229	my $progress;	1539	my $progress;
1230		1540
		1541	++$pass;
		1542
		1543	ext:
1231	while (my ($k, $v) = each %todo) {	1544	while (my ($k, $v) = each %todo) {
1232	for (split /,\s*/, $v->{meta}{depends}) {	1545	for (split /,\s*/, $v->{meta}{depends}) {
1233	goto skip	1546	next ext
1234	unless exists $done{$_};	1547	unless exists $done{$_};
1235	}	1548	}
1236		1549
1237	warn "... loading '$k' into '$v->{pkg}'\n";	1550	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1238		1551
1239	unless (eval $v->{source}) {	1552	my $active = eval $v->{source};
		1553
		1554	if (length $@) {
1240	my $msg = $@ ? "$v->{path}: $@\n"	1555	error "$v->{path}: $@\n";
1241	: "$v->{base}: extension inactive.\n";
1242		1556
		1557	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1243	if (exists $v->{meta}{mandatory}) {	1558	if exists $v->{meta}{mandatory};
1244	warn $msg;	1559
1245	warn "mandatory extension failed to load, exiting.\n";	1560	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1246	exit 1;	1561	delete $todo{$k};
1247	}	1562	} else {
1248		1563	$done{$k} = delete $todo{$k};
1249	warn $msg;	1564	push @EXTS, $v->{pkg};
		1565	$progress = 1;
		1566
		1567	info "$v->{base}: extension inactive.\n"
		1568	unless $active;
1250	}	1569	}
1251
1252	$done{$k} = delete $todo{$k};
1253	push @EXTS, $v->{pkg};
1254	$progress = 1;
1255	}	1570	}
1256		1571
1257	skip:	1572	unless ($progress) {
1258	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1573	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1259	unless $progress;	1574
		1575	while (my ($k, $v) = each %todo) {
		1576	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1577	if exists $v->{meta}{mandatory};
		1578	}
		1579
		1580	last;
		1581	}
1260	}	1582	}
1261	};	1583	};
1262	}	1584	}
1263		1585
1264	#############################################################################	1586	#############################################################################
1265		1587
1266	=back	1588	=back
1267		1589
1268	=head2 CORE EXTENSIONS	1590	=head2 CORE EXTENSIONS
1269		1591
1270	Functions and methods that extend core crossfire objects.	1592	Functions and methods that extend core deliantra objects.
1271		1593
1272	=cut	1594	=cut
1273		1595
1274	package cf::player;	1596	package cf::player;
1275		1597
1276	use Coro::AIO;	1598	use Coro::AIO;
1277		1599
1278	=head3 cf::player	1600	=head3 cf::player
1279		1601
1280	=over 4	1602	=over 4
		1603
		1604	=item cf::player::num_playing
		1605
		1606	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1607
		1608	=cut
		1609
		1610	sub num_playing {
		1611	scalar grep
		1612	$_->ob->map
		1613	&& !$_->hidden
		1614	&& !$_->ob->flag (cf::FLAG_WIZ),
		1615	cf::player::list
		1616	}
1281		1617
1282	=item cf::player::find $login	1618	=item cf::player::find $login
1283		1619
1284	Returns the given player object, loading it if necessary (might block).	1620	Returns the given player object, loading it if necessary (might block).
1285		1621
…		…
1304		1640
1305	sub exists($) {	1641	sub exists($) {
1306	my ($login) = @_;	1642	my ($login) = @_;
1307		1643
1308	$cf::PLAYER{$login}	1644	$cf::PLAYER{$login}
1309	or cf::sync_job { !aio_stat path $login }	1645	or !aio_stat path $login
1310	}	1646	}
1311		1647
1312	sub find($) {	1648	sub find($) {
1313	return $cf::PLAYER{$_[0]} || do {	1649	return $cf::PLAYER{$_[0]} || do {
1314	my $login = $_[0];	1650	my $login = $_[0];
…		…
1324	aio_unlink +(playerdir $login) . "/$login.pl";	1660	aio_unlink +(playerdir $login) . "/$login.pl";
1325		1661
1326	my $f = new_from_file cf::object::thawer path $login	1662	my $f = new_from_file cf::object::thawer path $login
1327	or return;	1663	or return;
1328		1664
1329	$f->next;
1330	my $pl = cf::player::load_pl $f	1665	my $pl = cf::player::load_pl $f
1331	or return;	1666	or return;
		1667
1332	local $cf::PLAYER_LOADING{$login} = $pl;	1668	local $cf::PLAYER_LOADING{$login} = $pl;
1333	$f->resolve_delayed_derefs;	1669	$f->resolve_delayed_derefs;
1334	$cf::PLAYER{$login} = $pl	1670	$cf::PLAYER{$login} = $pl
1335	}	1671	}
1336	}	1672	}
1337	}	1673	}
1338		1674
		1675	cf::player->attach (
		1676	on_load => sub {
		1677	my ($pl, $path) = @_;
		1678
		1679	# restore slots saved in save, below
		1680	my $slots = delete $pl->{_slots};
		1681
		1682	$pl->ob->current_weapon ($slots->[0]);
		1683	$pl->combat_ob ($slots->[1]);
		1684	$pl->ranged_ob ($slots->[2]);
		1685	},
		1686	);
		1687
1339	sub save($) {	1688	sub save($) {
1340	my ($pl) = @_;	1689	my ($pl) = @_;
1341		1690
1342	return if $pl->{deny_save};	1691	return if $pl->{deny_save};
1343		1692
…		…
1346		1695
1347	return if $pl->{deny_save};	1696	return if $pl->{deny_save};
1348		1697
1349	aio_mkdir playerdir $pl, 0770;	1698	aio_mkdir playerdir $pl, 0770;
1350	$pl->{last_save} = $cf::RUNTIME;	1699	$pl->{last_save} = $cf::RUNTIME;
		1700
		1701	cf::get_slot 0.01;
		1702
		1703	# save slots, to be restored later
		1704	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1351		1705
1352	$pl->save_pl ($path);	1706	$pl->save_pl ($path);
1353	cf::cede_to_tick;	1707	cf::cede_to_tick;
1354	}	1708	}
1355		1709
…		…
1387	my ($pl) = @_;	1741	my ($pl) = @_;
1388		1742
1389	my $name = $pl->ob->name;	1743	my $name = $pl->ob->name;
1390		1744
1391	$pl->{deny_save} = 1;	1745	$pl->{deny_save} = 1;
1392	$pl->password ("*"); # this should lock out the player until we nuked the dir	1746	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1393		1747
1394	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1748	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1395	$pl->deactivate;	1749	$pl->deactivate;
		1750
		1751	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1396	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1752	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1753	ext::highscore::check ($pl->ob);
		1754
1397	$pl->ns->destroy if $pl->ns;	1755	$pl->ns->destroy if $pl->ns;
1398		1756
1399	my $path = playerdir $pl;	1757	my $path = playerdir $pl;
1400	my $temp = "$path~$cf::RUNTIME~deleting~";	1758	my $temp = "$path~$cf::RUNTIME~deleting~";
1401	aio_rename $path, $temp;	1759	aio_rename $path, $temp;
…		…
1439		1797
1440	for my $login (@$dirs) {	1798	for my $login (@$dirs) {
1441	my $path = path $login;	1799	my $path = path $login;
1442		1800
1443	# a .pst is a dead give-away for a valid player	1801	# a .pst is a dead give-away for a valid player
1444	unless (-e "$path.pst") {	1802	# if no pst file found, open and chekc for blocked users
		1803	if (aio_stat "$path.pst") {
1445	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1804	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1446	aio_read $fh, 0, 512, my $buf, 0 or next;	1805	aio_read $fh, 0, 512, my $buf, 0 or next;
1447	$buf !~ /^password -------------$/m or next; # official not-valid tag	1806	$buf !~ /^password -------------$/m or next; # official not-valid tag
1448	}	1807	}
1449		1808
…		…
1453		1812
1454	\@logins	1813	\@logins
1455	}	1814	}
1456		1815
1457	=item $player->maps	1816	=item $player->maps
		1817
		1818	=item cf::player::maps $login
1458		1819
1459	Returns an arrayref of map paths that are private for this	1820	Returns an arrayref of map paths that are private for this
1460	player. May block.	1821	player. May block.
1461		1822
1462	=cut	1823	=cut
…		…
1480	}	1841	}
1481		1842
1482	\@paths	1843	\@paths
1483	}	1844	}
1484		1845
1485	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1846	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1486		1847
1487	Expand crossfire pod fragments into protocol xml.	1848	Expand deliantra pod fragments into protocol xml.
1488
1489	=cut
1490
1491	sub expand_cfpod {
1492	((my $self), (local $_)) = @_;
1493
1494	# escape & and <
1495	s/&/&amp;/g;
1496	s/(?<![BIUGHT])</&lt;/g;
1497
1498	# this is buggy, it needs to properly take care of nested <'s
1499
1500	1 while
1501	# replace B<>, I<>, U<> etc.
1502	s/B<([^\>]*)>/<b>$1<\/b>/
1503	|| s/I<([^\>]*)>/<i>$1<\/i>/
1504	|| s/U<([^\>]*)>/<u>$1<\/u>/
1505	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1506	# replace G<male|female> tags
1507	|| s{G<([^>|]*)\|([^>]*)>}{
1508	$self->gender ? $2 : $1
1509	}ge
1510	# replace H<hint text>
1511	|| s{H<([^\>]*)>}
1512	{
1513	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1514	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1515	"")
1516	[$self->{hintmode}]
1517	}ge;
1518
1519	# create single paragraphs (very hackish)
1520	s/(?<=\S)\n(?=\w)/ /g;
1521
1522	# compress some whitespace
1523	s/\s+\n/\n/g; # ws line-ends
1524	s/\n\n+/\n/g; # double lines
1525	s/^\n+//; # beginning lines
1526	s/\n+$//; # ending lines
1527
1528	$_
1529	}
1530
1531	sub hintmode {
1532	$_[0]{hintmode} = $_[1] if @_ > 1;
1533	$_[0]{hintmode}
1534	}
1535		1849
1536	=item $player->ext_reply ($msgid, @msg)	1850	=item $player->ext_reply ($msgid, @msg)
1537		1851
1538	Sends an ext reply to the player.	1852	Sends an ext reply to the player.
1539		1853
…		…
1571		1885
1572	=cut	1886	=cut
1573		1887
1574	sub find_by_path($) {	1888	sub find_by_path($) {
1575	my ($path) = @_;	1889	my ($path) = @_;
		1890
		1891	$path =~ s/^~[^\/]*//; # skip ~login
1576		1892
1577	my ($match, $specificity);	1893	my ($match, $specificity);
1578		1894
1579	for my $region (list) {	1895	for my $region (list) {
1580	if ($region->{match} && $path =~ $region->{match}) {	1896	if ($region->{match} && $path =~ $region->{match}) {
…		…
1606	our $MAX_RESET = 3600;	1922	our $MAX_RESET = 3600;
1607	our $DEFAULT_RESET = 3000;	1923	our $DEFAULT_RESET = 3000;
1608		1924
1609	sub generate_random_map {	1925	sub generate_random_map {
1610	my ($self, $rmp) = @_;	1926	my ($self, $rmp) = @_;
1611	# mit "rum" bekleckern, nicht	1927
		1928	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1929
1612	$self->_create_random_map (	1930	$self->_create_random_map ($rmp);
1613	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1614	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1615	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1616	$rmp->{exit_on_final_map},
1617	$rmp->{xsize}, $rmp->{ysize},
1618	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1619	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1620	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1621	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1622	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1623	(cf::region::find $rmp->{region}), $rmp->{custom}
1624	)
1625	}	1931	}
1626		1932
1627	=item cf::map->register ($regex, $prio)	1933	=item cf::map->register ($regex, $prio)
1628		1934
1629	Register a handler for the map path matching the given regex at the	1935	Register a handler for the map path matching the given regex at the
…		…
1634		1940
1635	sub register {	1941	sub register {
1636	my (undef, $regex, $prio) = @_;	1942	my (undef, $regex, $prio) = @_;
1637	my $pkg = caller;	1943	my $pkg = caller;
1638		1944
1639	no strict;
1640	push @{"$pkg\::ISA"}, __PACKAGE__;	1945	push @{"$pkg\::ISA"}, __PACKAGE__;
1641		1946
1642	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1947	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1643	}	1948	}
1644		1949
1645	# also paths starting with '/'	1950	# also paths starting with '/'
1646	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1951	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1647		1952
1648	sub thawer_merge {	1953	sub thawer_merge {
1649	my ($self, $merge) = @_;	1954	my ($self, $merge) = @_;
1650		1955
1651	# we have to keep some variables in memory intact	1956	# we have to keep some variables in memory intact
…		…
1656	}	1961	}
1657		1962
1658	sub normalise {	1963	sub normalise {
1659	my ($path, $base) = @_;	1964	my ($path, $base) = @_;
1660		1965
1661	$path = "$path"; # make sure its a string	1966	$path = "$path"; # make sure it's a string
1662		1967
1663	$path =~ s/\.map$//;	1968	$path =~ s/\.map$//;
1664		1969
1665	# map plan:	1970	# map plan:
1666	#	1971	#
…		…
1681	$base =~ s{[^/]+/?$}{};	1986	$base =~ s{[^/]+/?$}{};
1682	$path = "$base/$path";	1987	$path = "$base/$path";
1683	}	1988	}
1684		1989
1685	for ($path) {	1990	for ($path) {
1686	redo if s{//}{/};
1687	redo if s{/\.?/}{/};	1991	redo if s{/\.?/}{/};
1688	redo if s{/[^/]+/\.\./}{/};	1992	redo if s{/[^/]+/\.\./}{/};
1689	}	1993	}
1690		1994
1691	$path	1995	$path
…		…
1705	$self->init; # pass $1 etc.	2009	$self->init; # pass $1 etc.
1706	return $self;	2010	return $self;
1707	}	2011	}
1708	}	2012	}
1709		2013
1710	Carp::cluck "unable to resolve path '$path' (base '$base').";	2014	Carp::cluck "unable to resolve path '$path' (base '$base')";
1711	()	2015	()
1712	}	2016	}
1713		2017
		2018	# may re-bless or do other evil things
1714	sub init {	2019	sub init {
1715	my ($self) = @_;	2020	my ($self) = @_;
1716		2021
1717	$self	2022	$self
1718	}	2023	}
…		…
1737		2042
1738	# the temporary/swap location	2043	# the temporary/swap location
1739	sub save_path {	2044	sub save_path {
1740	my ($self) = @_;	2045	my ($self) = @_;
1741		2046
1742	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2047	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1743	"$TMPDIR/$path.map"	2048	"$TMPDIR/$path.map"
1744	}	2049	}
1745		2050
1746	# the unique path, undef == no special unique path	2051	# the unique path, undef == no special unique path
1747	sub uniq_path {	2052	sub uniq_path {
1748	my ($self) = @_;	2053	my ($self) = @_;
1749		2054
1750	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2055	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1751	"$UNIQUEDIR/$path"	2056	"$UNIQUEDIR/$path"
1752	}
1753
1754	# and all this just because we cannot iterate over
1755	# all maps in C++...
1756	sub change_all_map_light {
1757	my ($change) = @_;
1758
1759	$_->change_map_light ($change)
1760	for grep $_->outdoor, values %cf::MAP;
1761	}	2057	}
1762		2058
1763	sub decay_objects {	2059	sub decay_objects {
1764	my ($self) = @_;	2060	my ($self) = @_;
1765		2061
…		…
1792	$self->{load_path} = $path;	2088	$self->{load_path} = $path;
1793		2089
1794	1	2090	1
1795	}	2091	}
1796		2092
		2093	# used to laod the header of an original map
1797	sub load_header_orig {	2094	sub load_header_orig {
1798	my ($self) = @_;	2095	my ($self) = @_;
1799		2096
1800	$self->load_header_from ($self->load_path)	2097	$self->load_header_from ($self->load_path)
1801	}	2098	}
1802		2099
		2100	# used to laod the header of an instantiated map
1803	sub load_header_temp {	2101	sub load_header_temp {
1804	my ($self) = @_;	2102	my ($self) = @_;
1805		2103
1806	$self->load_header_from ($self->save_path)	2104	$self->load_header_from ($self->save_path)
1807	}	2105	}
1808		2106
		2107	# called after loading the header from an instantiated map
1809	sub prepare_temp {	2108	sub prepare_temp {
1810	my ($self) = @_;	2109	my ($self) = @_;
1811		2110
1812	$self->last_access ((delete $self->{last_access})	2111	$self->last_access ((delete $self->{last_access})
1813	|| $cf::RUNTIME); #d#	2112	|| $cf::RUNTIME); #d#
1814	# safety	2113	# safety
1815	$self->{instantiate_time} = $cf::RUNTIME	2114	$self->{instantiate_time} = $cf::RUNTIME
1816	if $self->{instantiate_time} > $cf::RUNTIME;	2115	if $self->{instantiate_time} > $cf::RUNTIME;
1817	}	2116	}
1818		2117
		2118	# called after loading the header from an original map
1819	sub prepare_orig {	2119	sub prepare_orig {
1820	my ($self) = @_;	2120	my ($self) = @_;
1821		2121
1822	$self->{load_original} = 1;	2122	$self->{load_original} = 1;
1823	$self->{instantiate_time} = $cf::RUNTIME;	2123	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1847		2147
1848	sub find;	2148	sub find;
1849	sub find {	2149	sub find {
1850	my ($path, $origin) = @_;	2150	my ($path, $origin) = @_;
1851		2151
		2152	cf::cede_to_tick;
		2153
1852	$path = normalise $path, $origin && $origin->path;	2154	$path = normalise $path, $origin;
1853		2155
1854	cf::lock_wait "map_data:$path";#d#remove	2156	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1855	cf::lock_wait "map_find:$path";	2157	my $guard2 = cf::lock_acquire "map_find:$path";
1856		2158
1857	$cf::MAP{$path} || do {	2159	$cf::MAP{$path} || do {
1858	my $guard1 = cf::lock_acquire "map_find:$path";
1859	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1860
1861	my $map = new_from_path cf::map $path	2160	my $map = new_from_path cf::map $path
1862	or return;	2161	or return;
1863		2162
1864	$map->{last_save} = $cf::RUNTIME;	2163	$map->{last_save} = $cf::RUNTIME;
1865		2164
…		…
1867	or return;	2166	or return;
1868		2167
1869	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2168	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1870	# doing this can freeze the server in a sync job, obviously	2169	# doing this can freeze the server in a sync job, obviously
1871	#$cf::WAIT_FOR_TICK->wait;	2170	#$cf::WAIT_FOR_TICK->wait;
		2171	undef $guard2;
1872	undef $guard1;	2172	undef $guard1;
1873	undef $guard2;
1874	$map->reset;	2173	$map->reset;
1875	return find $path;	2174	return find $path;
1876	}	2175	}
1877		2176
1878	$cf::MAP{$path} = $map	2177	$cf::MAP{$path} = $map
1879	}	2178	}
1880	}	2179	}
1881		2180
1882	sub pre_load { }	2181	sub pre_load { }
1883	sub post_load { }	2182	#sub post_load { } # XS
1884		2183
1885	sub load {	2184	sub load {
1886	my ($self) = @_;	2185	my ($self) = @_;
1887		2186
1888	local $self->{deny_reset} = 1; # loading can take a long time	2187	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1891		2190
1892	{	2191	{
1893	my $guard = cf::lock_acquire "map_data:$path";	2192	my $guard = cf::lock_acquire "map_data:$path";
1894		2193
1895	return unless $self->valid;	2194	return unless $self->valid;
1896	return if $self->in_memory != cf::MAP_SWAPPED;	2195	return unless $self->state == cf::MAP_SWAPPED;
1897
1898	$self->in_memory (cf::MAP_LOADING);
1899		2196
1900	$self->alloc;	2197	$self->alloc;
1901		2198
1902	$self->pre_load;	2199	$self->pre_load;
1903	cf::cede_to_tick;	2200	cf::cede_to_tick;
1904		2201
		2202	if (exists $self->{load_path}) {
1905	my $f = new_from_file cf::object::thawer $self->{load_path};	2203	my $f = new_from_file cf::object::thawer $self->{load_path};
1906	$f->skip_block;	2204	$f->skip_block;
1907	$self->_load_objects ($f)	2205	$self->_load_objects ($f)
1908	or return;	2206	or return;
1909		2207
1910	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2208	$self->post_load_original
1911	if delete $self->{load_original};	2209	if delete $self->{load_original};
1912		2210
1913	if (my $uniq = $self->uniq_path) {	2211	if (my $uniq = $self->uniq_path) {
1914	utf8::encode $uniq;	2212	utf8::encode $uniq;
1915	unless (aio_stat $uniq) {	2213	unless (aio_stat $uniq) {
1916	if (my $f = new_from_file cf::object::thawer $uniq) {	2214	if (my $f = new_from_file cf::object::thawer $uniq) {
1917	$self->clear_unique_items;	2215	$self->clear_unique_items;
1918	$self->_load_objects ($f);	2216	$self->_load_objects ($f);
1919	$f->resolve_delayed_derefs;	2217	$f->resolve_delayed_derefs;
		2218	}
1920	}	2219	}
1921	}	2220	}
1922	}
1923		2221
1924	$f->resolve_delayed_derefs;	2222	$f->resolve_delayed_derefs;
		2223	} else {
		2224	$self->post_load_original
		2225	if delete $self->{load_original};
		2226	}
		2227
		2228	$self->state (cf::MAP_INACTIVE);
1925		2229
1926	cf::cede_to_tick;	2230	cf::cede_to_tick;
1927	# now do the right thing for maps	2231	# now do the right thing for maps
1928	$self->link_multipart_objects;	2232	$self->link_multipart_objects;
1929	$self->difficulty ($self->estimate_difficulty)	2233	$self->difficulty ($self->estimate_difficulty)
…		…
1933	unless ($self->{deny_activate}) {	2237	unless ($self->{deny_activate}) {
1934	$self->decay_objects;	2238	$self->decay_objects;
1935	$self->fix_auto_apply;	2239	$self->fix_auto_apply;
1936	$self->update_buttons;	2240	$self->update_buttons;
1937	cf::cede_to_tick;	2241	cf::cede_to_tick;
1938	$self->set_darkness_map;	2242	#$self->activate; # no longer activate maps automatically
1939	cf::cede_to_tick;
1940	$self->activate;
1941	}	2243	}
1942		2244
1943	$self->{last_save} = $cf::RUNTIME;	2245	$self->{last_save} = $cf::RUNTIME;
1944	$self->last_access ($cf::RUNTIME);	2246	$self->last_access ($cf::RUNTIME);
1945
1946	$self->in_memory (cf::MAP_IN_MEMORY);
1947	}	2247	}
1948		2248
1949	$self->post_load;	2249	$self->post_load;
1950	}
1951		2250
		2251	1
		2252	}
		2253
		2254	# customize the map for a given player, i.e.
		2255	# return the _real_ map. used by e.g. per-player
		2256	# maps to change the path to ~playername/mappath
1952	sub customise_for {	2257	sub customise_for {
1953	my ($self, $ob) = @_;	2258	my ($self, $ob) = @_;
1954		2259
1955	return find "~" . $ob->name . "/" . $self->{path}	2260	return find "~" . $ob->name . "/" . $self->{path}
1956	if $self->per_player;	2261	if $self->per_player;
…		…
1959	# if $self->per_party;	2264	# if $self->per_party;
1960		2265
1961	$self	2266	$self
1962	}	2267	}
1963		2268
1964	# find and load all maps in the 3x3 area around a map
1965	sub load_neighbours {
1966	my ($map) = @_;
1967
1968	my @neigh; # diagonal neighbours
1969
1970	for (0 .. 3) {
1971	my $neigh = $map->tile_path ($_)
1972	or next;
1973	$neigh = find $neigh, $map
1974	or next;
1975	$neigh->load;
1976
1977	push @neigh,
1978	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1979	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1980	}
1981
1982	for (grep defined $_->[0], @neigh) {
1983	my ($path, $origin) = @$_;
1984	my $neigh = find $path, $origin
1985	or next;
1986	$neigh->load;
1987	}
1988	}
1989
1990	sub find_sync {	2269	sub find_sync {
1991	my ($path, $origin) = @_;	2270	my ($path, $origin) = @_;
1992		2271
1993	cf::sync_job { find $path, $origin }	2272	# it's a bug to call this from the main context
		2273	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2274	if $Coro::current == $Coro::main;
		2275
		2276	find $path, $origin
1994	}	2277	}
1995		2278
1996	sub do_load_sync {	2279	sub do_load_sync {
1997	my ($map) = @_;	2280	my ($map) = @_;
1998		2281
		2282	# it's a bug to call this from the main context
1999	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2283	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2000	if $Coro::current == $Coro::main;	2284	if $Coro::current == $Coro::main;
2001		2285
2002	cf::sync_job { $map->load };	2286	$map->load;
2003	}	2287	}
2004		2288
2005	our %MAP_PREFETCH;	2289	our %MAP_PREFETCH;
2006	our $MAP_PREFETCHER = undef;	2290	our $MAP_PREFETCHER = undef;
2007		2291
2008	sub find_async {	2292	sub find_async {
2009	my ($path, $origin, $load) = @_;	2293	my ($path, $origin, $load) = @_;
2010		2294
2011	$path = normalise $path, $origin && $origin->{path};	2295	$path = normalise $path, $origin;
2012		2296
2013	if (my $map = $cf::MAP{$path}) {	2297	if (my $map = $cf::MAP{$path}) {
2014	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2298	return $map if !$load || $map->linkable;
2015	}	2299	}
2016		2300
2017	$MAP_PREFETCH{$path} |= $load;	2301	$MAP_PREFETCH{$path} |= $load;
2018		2302
2019	$MAP_PREFETCHER ||= cf::async {	2303	$MAP_PREFETCHER ||= cf::async {
		2304	$Coro::current->{desc} = "map prefetcher";
		2305
2020	while (%MAP_PREFETCH) {	2306	while (%MAP_PREFETCH) {
2021	while (my ($k, $v) = each %MAP_PREFETCH) {	2307	while (my ($k, $v) = each %MAP_PREFETCH) {
2022	if (my $map = find $k) {	2308	if (my $map = find $k) {
2023	$map->load if $v;	2309	$map->load if $v;
2024	}	2310	}
…		…
2031	$MAP_PREFETCHER->prio (6);	2317	$MAP_PREFETCHER->prio (6);
2032		2318
2033	()	2319	()
2034	}	2320	}
2035		2321
		2322	# common code, used by both ->save and ->swapout
2036	sub save {	2323	sub _save {
2037	my ($self) = @_;	2324	my ($self) = @_;
2038
2039	my $lock = cf::lock_acquire "map_data:$self->{path}";
2040		2325
2041	$self->{last_save} = $cf::RUNTIME;	2326	$self->{last_save} = $cf::RUNTIME;
2042		2327
2043	return unless $self->dirty;	2328	return unless $self->dirty;
2044		2329
…		…
2050	return if $self->{deny_save};	2335	return if $self->{deny_save};
2051		2336
2052	local $self->{last_access} = $self->last_access;#d#	2337	local $self->{last_access} = $self->last_access;#d#
2053		2338
2054	cf::async {	2339	cf::async {
		2340	$Coro::current->{desc} = "map player save";
2055	$_->contr->save for $self->players;	2341	$_->contr->save for $self->players;
2056	};	2342	};
		2343
		2344	cf::get_slot 0.02;
2057		2345
2058	if ($uniq) {	2346	if ($uniq) {
2059	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2347	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2060	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2348	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2061	} else {	2349	} else {
2062	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2063	}	2351	}
2064	}	2352	}
2065		2353
		2354	sub save {
		2355	my ($self) = @_;
		2356
		2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2358
		2359	$self->_save;
		2360	}
		2361
2066	sub swap_out {	2362	sub swap_out {
2067	my ($self) = @_;	2363	my ($self) = @_;
2068		2364
2069	# save first because save cedes
2070	$self->save;
2071
2072	my $lock = cf::lock_acquire "map_data:$self->{path}";	2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
2073		2366
		2367	return if !$self->linkable;
		2368	return if $self->{deny_save};
2074	return if $self->players;	2369	return if $self->players;
2075	return if $self->in_memory != cf::MAP_IN_MEMORY;
2076	return if $self->{deny_save};
2077		2370
		2371	# first deactivate the map and "unlink" it from the core
2078	$self->deactivate;	2372	$self->deactivate;
		2373	$_->clear_links_to ($self) for values %cf::MAP;
		2374	$self->state (cf::MAP_SWAPPED);
		2375
		2376	# then atomically save
		2377	$self->_save;
		2378
		2379	# then free the map
2079	$self->clear;	2380	$self->clear;
2080	$self->in_memory (cf::MAP_SWAPPED);
2081	}	2381	}
2082		2382
2083	sub reset_at {	2383	sub reset_at {
2084	my ($self) = @_;	2384	my ($self) = @_;
2085		2385
…		…
2103		2403
2104	my $lock = cf::lock_acquire "map_data:$self->{path}";	2404	my $lock = cf::lock_acquire "map_data:$self->{path}";
2105		2405
2106	return if $self->players;	2406	return if $self->players;
2107		2407
2108	warn "resetting map ", $self->path;	2408	cf::trace "resetting map ", $self->path, "\n";
2109		2409
2110	$self->in_memory (cf::MAP_SWAPPED);	2410	$self->state (cf::MAP_SWAPPED);
2111		2411
2112	# need to save uniques path	2412	# need to save uniques path
2113	unless ($self->{deny_save}) {	2413	unless ($self->{deny_save}) {
2114	my $uniq = $self->uniq_path; utf8::encode $uniq;	2414	my $uniq = $self->uniq_path; utf8::encode $uniq;
2115		2415
…		…
2118	}	2418	}
2119		2419
2120	delete $cf::MAP{$self->path};	2420	delete $cf::MAP{$self->path};
2121		2421
2122	$self->deactivate;	2422	$self->deactivate;
		2423	$_->clear_links_to ($self) for values %cf::MAP;
2123	$self->clear;	2424	$self->clear;
2124
2125	$_->clear_links_to ($self) for values %cf::MAP;
2126		2425
2127	$self->unlink_save;	2426	$self->unlink_save;
2128	$self->destroy;	2427	$self->destroy;
2129	}	2428	}
2130		2429
…		…
2138		2437
2139	delete $cf::MAP{$self->path};	2438	delete $cf::MAP{$self->path};
2140		2439
2141	$self->unlink_save;	2440	$self->unlink_save;
2142		2441
2143	bless $self, "cf::map";	2442	bless $self, "cf::map::wrap";
2144	delete $self->{deny_reset};	2443	delete $self->{deny_reset};
2145	$self->{deny_save} = 1;	2444	$self->{deny_save} = 1;
2146	$self->reset_timeout (1);	2445	$self->reset_timeout (1);
2147	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2446	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2148		2447
…		…
2197		2496
2198	sub unique_maps() {	2497	sub unique_maps() {
2199	[	2498	[
2200	map {	2499	map {
2201	utf8::decode $_;	2500	utf8::decode $_;
2202	/\.map$/	2501	s/\.map$//; # TODO future compatibility hack
		2502	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2503	? ()
2203	? normalise $_	2504	: normalise $_
2204	: ()
2205	} @{ aio_readdir $UNIQUEDIR or [] }	2505	} @{ aio_readdir $UNIQUEDIR or [] }
2206	]	2506	]
2207	}	2507	}
2208		2508
2209	package cf;	2509	=item cf::map::static_maps
		2510
		2511	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2512	file in the shared directory excluding F</styles> and F</editor>). May
		2513	block.
		2514
		2515	=cut
		2516
		2517	sub static_maps() {
		2518	my @dirs = "";
		2519	my @maps;
		2520
		2521	while (@dirs) {
		2522	my $dir = shift @dirs;
		2523
		2524	next if $dir eq "/styles" || $dir eq "/editor";
		2525
		2526	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2527	or return;
		2528
		2529	for (@$files) {
		2530	s/\.map$// or next;
		2531	utf8::decode $_;
		2532	push @maps, "$dir/$_";
		2533	}
		2534
		2535	push @dirs, map "$dir/$_", @$dirs;
		2536	}
		2537
		2538	\@maps
		2539	}
2210		2540
2211	=back	2541	=back
2212		2542
2213	=head3 cf::object	2543	=head3 cf::object
2214		2544
…		…
2218		2548
2219	=over 4	2549	=over 4
2220		2550
2221	=item $ob->inv_recursive	2551	=item $ob->inv_recursive
2222		2552
2223	Returns the inventory of the object _and_ their inventories, recursively.	2553	Returns the inventory of the object I<and> their inventories, recursively,
		2554	but I<not> the object itself.
2224		2555
2225	=cut	2556	=cut
2226		2557
2227	sub inv_recursive_;	2558	sub inv_recursive_;
2228	sub inv_recursive_ {	2559	sub inv_recursive_ {
…		…
2233	inv_recursive_ inv $_[0]	2564	inv_recursive_ inv $_[0]
2234	}	2565	}
2235		2566
2236	=item $ref = $ob->ref	2567	=item $ref = $ob->ref
2237		2568
2238	creates and returns a persistent reference to an objetc that can be stored as a string.	2569	Creates and returns a persistent reference to an object that can be stored as a string.
2239		2570
2240	=item $ob = cf::object::deref ($refstring)	2571	=item $ob = cf::object::deref ($refstring)
2241		2572
2242	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2573	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2243	even if the object actually exists. May block.	2574	even if the object actually exists. May block.
…		…
2245	=cut	2576	=cut
2246		2577
2247	sub deref {	2578	sub deref {
2248	my ($ref) = @_;	2579	my ($ref) = @_;
2249		2580
2250	# temporary compatibility#TODO#remove
2251	$ref =~ s{^<}{player/<};
2252
2253	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2581	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2254	my ($uuid, $name) = ($1, $2);	2582	my ($uuid, $name) = ($1, $2);
2255	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2583	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2256	or return;	2584	or return;
2257	$pl->ob->uuid eq $uuid	2585	$pl->ob->uuid eq $uuid
2258	or return;	2586	or return;
…		…
2278	can be C<undef>. Does the right thing when the player is currently in a	2606	can be C<undef>. Does the right thing when the player is currently in a
2279	dialogue with the given NPC character.	2607	dialogue with the given NPC character.
2280		2608
2281	=cut	2609	=cut
2282		2610
		2611	our $SAY_CHANNEL = {
		2612	id => "say",
		2613	title => "Map",
		2614	reply => "say ",
		2615	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2616	};
		2617
		2618	our $CHAT_CHANNEL = {
		2619	id => "chat",
		2620	title => "Chat",
		2621	reply => "chat ",
		2622	tooltip => "Player chat and shouts, global to the server.",
		2623	};
		2624
2283	# rough implementation of a future "reply" method that works	2625	# rough implementation of a future "reply" method that works
2284	# with dialog boxes.	2626	# with dialog boxes.
2285	#TODO: the first argument must go, split into a $npc->reply_to ( method	2627	#TODO: the first argument must go, split into a $npc->reply_to ( method
2286	sub cf::object::player::reply($$$;$) {	2628	sub cf::object::player::reply($$$;$) {
2287	my ($self, $npc, $msg, $flags) = @_;	2629	my ($self, $npc, $msg, $flags) = @_;
…		…
2298	my $dialog = $pl->{npc_dialog};	2640	my $dialog = $pl->{npc_dialog};
2299	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2641	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2300		2642
2301	} else {	2643	} else {
2302	$msg = $npc->name . " says: $msg" if $npc;	2644	$msg = $npc->name . " says: $msg" if $npc;
2303	$self->message ($msg, $flags);	2645	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2304	}	2646	}
2305	}	2647	}
2306	}	2648	}
2307		2649
2308	=item $object->send_msg ($channel, $msg, $color, [extra...])	2650	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2333		2675
2334	=item $player_object->enter_link	2676	=item $player_object->enter_link
2335		2677
2336	Freezes the player and moves him/her to a special map (C<{link}>).	2678	Freezes the player and moves him/her to a special map (C<{link}>).
2337		2679
2338	The player should be reasonably safe there for short amounts of time. You	2680	The player should be reasonably safe there for short amounts of time (e.g.
2339	I<MUST> call C<leave_link> as soon as possible, though.	2681	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2682	though, as the player cannot control the character while it is on the link
		2683	map.
2340		2684
2341	Will never block.	2685	Will never block.
2342		2686
2343	=item $player_object->leave_link ($map, $x, $y)	2687	=item $player_object->leave_link ($map, $x, $y)
2344		2688
…		…
2364	sub cf::object::player::enter_link {	2708	sub cf::object::player::enter_link {
2365	my ($self) = @_;	2709	my ($self) = @_;
2366		2710
2367	$self->deactivate_recursive;	2711	$self->deactivate_recursive;
2368		2712
		2713	++$self->{_link_recursion};
		2714
2369	return if UNIVERSAL::isa $self->map, "ext::map_link";	2715	return if UNIVERSAL::isa $self->map, "ext::map_link";
2370		2716
2371	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2372	if $self->map && $self->map->{path} ne "{link}";	2718	if $self->map && $self->map->{path} ne "{link}";
2373		2719
2374	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2720	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2375	}	2721	}
2376		2722
2377	sub cf::object::player::leave_link {	2723	sub cf::object::player::leave_link {
2378	my ($self, $map, $x, $y) = @_;	2724	my ($self, $map, $x, $y) = @_;
2379		2725
…		…
2396	($x, $y) = (-1, -1)	2742	($x, $y) = (-1, -1)
2397	unless (defined $x) && (defined $y);	2743	unless (defined $x) && (defined $y);
2398		2744
2399	# use -1 or undef as default coordinates, not 0, 0	2745	# use -1 or undef as default coordinates, not 0, 0
2400	($x, $y) = ($map->enter_x, $map->enter_y)	2746	($x, $y) = ($map->enter_x, $map->enter_y)
2401	if $x <=0 && $y <= 0;	2747	if $x <= 0 && $y <= 0;
2402		2748
2403	$map->load;	2749	$map->load;
2404	$map->load_neighbours;
2405		2750
2406	return unless $self->contr->active;	2751	return unless $self->contr->active;
2407	$self->activate_recursive;
2408		2752
2409	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2753	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2410	$self->enter_map ($map, $x, $y);	2754	if ($self->enter_map ($map, $x, $y)) {
2411	}	2755	# entering was successful
		2756	delete $self->{_link_recursion};
		2757	# only activate afterwards, to support waiting in hooks
		2758	$self->activate_recursive;
		2759	}
2412		2760
		2761	}
		2762
2413	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2763	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2414		2764
2415	Moves the player to the given map-path and coordinates by first freezing	2765	Moves the player to the given map-path and coordinates by first freezing
2416	her, loading and preparing them map, calling the provided $check callback	2766	her, loading and preparing them map, calling the provided $check callback
2417	that has to return the map if sucecssful, and then unfreezes the player on	2767	that has to return the map if sucecssful, and then unfreezes the player on
2418	the new (success) or old (failed) map position. In either case, $done will	2768	the new (success) or old (failed) map position. In either case, $done will
2419	be called at the end of this process.	2769	be called at the end of this process.
2420		2770
		2771	Note that $check will be called with a potentially non-loaded map, so if
		2772	it needs a loaded map it has to call C<< ->load >>.
		2773
2421	=cut	2774	=cut
2422		2775
2423	our $GOTOGEN;	2776	our $GOTOGEN;
2424		2777
2425	sub cf::object::player::goto {	2778	sub cf::object::player::goto {
2426	my ($self, $path, $x, $y, $check, $done) = @_;	2779	my ($self, $path, $x, $y, $check, $done) = @_;
2427		2780
		2781	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2782	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2783	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2784	($path, $x, $y) = @$EMERGENCY_POSITION;
		2785	}
		2786
2428	# do generation counting so two concurrent goto's will be executed in-order	2787	# do generation counting so two concurrent goto's will be executed in-order
2429	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2788	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2430		2789
2431	$self->enter_link;	2790	$self->enter_link;
2432		2791
2433	(async {	2792	(async {
		2793	$Coro::current->{desc} = "player::goto $path $x $y";
		2794
		2795	# *tag paths override both path and x|y
		2796	if ($path =~ /^\*(.*)$/) {
		2797	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2798	my $ob = $obs[rand @obs];
		2799
		2800	# see if we actually can go there
		2801	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2802	$ob = $obs[rand @obs];
		2803	} else {
		2804	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2805	}
		2806	# else put us there anyways for now #d#
		2807
		2808	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2809	} else {
		2810	($path, $x, $y) = (undef, undef, undef);
		2811	}
		2812	}
		2813
2434	my $map = eval {	2814	my $map = eval {
2435	my $map = cf::map::find $path;	2815	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2436		2816
2437	if ($map) {	2817	if ($map) {
2438	$map = $map->customise_for ($self);	2818	$map = $map->customise_for ($self);
2439	$map = $check->($map) if $check && $map;	2819	$map = $check->($map, $x, $y, $self) if $check && $map;
2440	} else {	2820	} else {
2441	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2821	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2442	}	2822	}
2443		2823
2444	$map	2824	$map
2445	};	2825	};
2446		2826
…		…
2452	if ($gen == $self->{_goto_generation}) {	2832	if ($gen == $self->{_goto_generation}) {
2453	delete $self->{_goto_generation};	2833	delete $self->{_goto_generation};
2454	$self->leave_link ($map, $x, $y);	2834	$self->leave_link ($map, $x, $y);
2455	}	2835	}
2456		2836
2457	$done->() if $done;	2837	$done->($self) if $done;
2458	})->prio (1);	2838	})->prio (1);
2459	}	2839	}
2460		2840
2461	=item $player_object->enter_exit ($exit_object)	2841	=item $player_object->enter_exit ($exit_object)
2462		2842
…		…
2482	}	2862	}
2483		2863
2484	sub prepare_random_map {	2864	sub prepare_random_map {
2485	my ($exit) = @_;	2865	my ($exit) = @_;
2486		2866
2487	my $guard = cf::lock_acquire "exit_prepare:$exit";
2488
2489	# all this does is basically replace the /! path by	2867	# all this does is basically replace the /! path by
2490	# a new random map path (?random/...) with a seed	2868	# a new random map path (?random/...) with a seed
2491	# that depends on the exit object	2869	# that depends on the exit object
2492		2870
2493	my $rmp = parse_random_map_params $exit->msg;	2871	my $rmp = parse_random_map_params $exit->msg;
…		…
2495	if ($exit->map) {	2873	if ($exit->map) {
2496	$rmp->{region} = $exit->region->name;	2874	$rmp->{region} = $exit->region->name;
2497	$rmp->{origin_map} = $exit->map->path;	2875	$rmp->{origin_map} = $exit->map->path;
2498	$rmp->{origin_x} = $exit->x;	2876	$rmp->{origin_x} = $exit->x;
2499	$rmp->{origin_y} = $exit->y;	2877	$rmp->{origin_y} = $exit->y;
		2878
		2879	$exit->map->touch;
2500	}	2880	}
2501		2881
2502	$rmp->{random_seed} ||= $exit->random_seed;	2882	$rmp->{random_seed} ||= $exit->random_seed;
2503		2883
2504	my $data = cf::to_json $rmp;	2884	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2505	my $md5 = Digest::MD5::md5_hex $data;	2885	my $md5 = Digest::MD5::md5_hex $data;
2506	my $meta = "$RANDOMDIR/$md5.meta";	2886	my $meta = "$RANDOMDIR/$md5.meta";
2507		2887
2508	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2509	aio_write $fh, 0, (length $data), $data, 0;	2889	aio_write $fh, 0, (length $data), $data, 0;
2510	undef $fh;	2890	undef $fh;
2511	aio_rename "$meta~", $meta;	2891	aio_rename "$meta~", $meta;
2512		2892
		2893	my $slaying = "?random/$md5";
		2894
		2895	if ($exit->valid) {
2513	$exit->slaying ("?random/$md5");	2896	$exit->slaying ("?random/$md5");
2514	$exit->msg (undef);	2897	$exit->msg (undef);
		2898	}
2515	}	2899	}
2516	}	2900	}
2517		2901
2518	sub cf::object::player::enter_exit {	2902	sub cf::object::player::enter_exit {
2519	my ($self, $exit) = @_;	2903	my ($self, $exit) = @_;
2520		2904
2521	return unless $self->type == cf::PLAYER;	2905	return unless $self->type == cf::PLAYER;
2522		2906
2523	if ($exit->slaying eq "/!") {
2524	#TODO: this should de-fi-ni-te-ly not be a sync-job
2525	# the problem is that $exit might not survive long enough
2526	# so it needs to be done right now, right here
2527	cf::sync_job { prepare_random_map $exit };
2528	}
2529
2530	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2531	my $hp = $exit->stats->hp;
2532	my $sp = $exit->stats->sp;
2533
2534	$self->enter_link;	2907	$self->enter_link;
2535		2908
2536	# if exit is damned, update players death & WoR home-position
2537	$self->contr->savebed ($slaying, $hp, $sp)
2538	if $exit->flag (FLAG_DAMNED);
2539
2540	(async {	2909	(async {
2541	$self->deactivate_recursive; # just to be sure	2910	$Coro::current->{desc} = "enter_exit";
		2911
2542	unless (eval {	2912	unless (eval {
		2913	$self->deactivate_recursive; # just to be sure
		2914
		2915	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2916	my $x = $exit->stats->hp;
		2917	my $y = $exit->stats->sp;
		2918
		2919	# special map handling
		2920	my $slaying = $exit->slaying;
		2921
		2922	# special map handling
		2923	if ($slaying eq "/!") {
		2924	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2925
		2926	prepare_random_map $exit
		2927	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2928
		2929	$map = $exit->slaying;
		2930
		2931	} elsif ($slaying eq '!up') {
		2932	$map = $exit->map->tile_path (cf::TILE_UP);
		2933	$x = $exit->x;
		2934	$y = $exit->y;
		2935
		2936	} elsif ($slaying eq '!down') {
		2937	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2938	$x = $exit->x;
		2939	$y = $exit->y;
		2940	}
		2941
2543	$self->goto ($slaying, $hp, $sp);	2942	$self->goto ($map, $x, $y);
2544		2943
		2944	# if exit is damned, update players death & WoR home-position
		2945	$self->contr->savebed ($map, $x, $y)
		2946	if $exit->flag (cf::FLAG_DAMNED);
		2947
2545	1;	2948	1
2546	}) {	2949	}) {
2547	$self->message ("Something went wrong deep within the crossfire server. "	2950	$self->message ("Something went wrong deep within the deliantra server. "
2548	. "I'll try to bring you back to the map you were before. "	2951	. "I'll try to bring you back to the map you were before. "
2549	. "Please report this to the dungeon master!",	2952	. "Please report this to the dungeon master!",
2550	cf::NDI_UNIQUE | cf::NDI_RED);	2953	cf::NDI_UNIQUE | cf::NDI_RED);
2551		2954
2552	warn "ERROR in enter_exit: $@";	2955	error "ERROR in enter_exit: $@";
2553	$self->leave_link;	2956	$self->leave_link;
2554	}	2957	}
2555	})->prio (1);	2958	})->prio (1);
2556	}	2959	}
2557		2960
…		…
2569	sub cf::client::send_drawinfo {	2972	sub cf::client::send_drawinfo {
2570	my ($self, $text, $flags) = @_;	2973	my ($self, $text, $flags) = @_;
2571		2974
2572	utf8::encode $text;	2975	utf8::encode $text;
2573	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2976	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2977	}
		2978
		2979	=item $client->send_big_packet ($pkt)
		2980
		2981	Like C<send_packet>, but tries to compress large packets, and fragments
		2982	them as required.
		2983
		2984	=cut
		2985
		2986	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2987
		2988	sub cf::client::send_big_packet {
		2989	my ($self, $pkt) = @_;
		2990
		2991	# try lzf for large packets
		2992	$pkt = "lzf " . Compress::LZF::compress $pkt
		2993	if 1024 <= length $pkt and $self->{can_lzf};
		2994
		2995	# split very large packets
		2996	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2997	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2998	$pkt = "frag";
		2999	}
		3000
		3001	$self->send_packet ($pkt);
2574	}	3002	}
2575		3003
2576	=item $client->send_msg ($channel, $msg, $color, [extra...])	3004	=item $client->send_msg ($channel, $msg, $color, [extra...])
2577		3005
2578	Send a drawinfo or msg packet to the client, formatting the msg for the	3006	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2580	the message, with C<log> being the default. If C<$color> is negative, suppress	3008	the message, with C<log> being the default. If C<$color> is negative, suppress
2581	the message unless the client supports the msg packet.	3009	the message unless the client supports the msg packet.
2582		3010
2583	=cut	3011	=cut
2584		3012
		3013	# non-persistent channels (usually the info channel)
2585	our %CHANNEL = (	3014	our %CHANNEL = (
		3015	"c/motd" => {
		3016	id => "infobox",
		3017	title => "MOTD",
		3018	reply => undef,
		3019	tooltip => "The message of the day",
		3020	},
2586	"c/identify" => {	3021	"c/identify" => {
2587	id => "identify",	3022	id => "infobox",
2588	title => "Identify",	3023	title => "Identify",
2589	reply => undef,	3024	reply => undef,
2590	tooltip => "Items recently identified",	3025	tooltip => "Items recently identified",
2591	},	3026	},
2592	"c/examine" => {	3027	"c/examine" => {
2593	id => "examine",	3028	id => "infobox",
2594	title => "Examine",	3029	title => "Examine",
2595	reply => undef,	3030	reply => undef,
2596	tooltip => "Signs and other items you examined",	3031	tooltip => "Signs and other items you examined",
2597	},	3032	},
		3033	"c/shopinfo" => {
		3034	id => "infobox",
		3035	title => "Shop Info",
		3036	reply => undef,
		3037	tooltip => "What your bargaining skill tells you about the shop",
		3038	},
		3039	"c/book" => {
		3040	id => "infobox",
		3041	title => "Book",
		3042	reply => undef,
		3043	tooltip => "The contents of a note or book",
		3044	},
		3045	"c/lookat" => {
		3046	id => "infobox",
		3047	title => "Look",
		3048	reply => undef,
		3049	tooltip => "What you saw there",
		3050	},
		3051	"c/who" => {
		3052	id => "infobox",
		3053	title => "Players",
		3054	reply => undef,
		3055	tooltip => "Shows players who are currently online",
		3056	},
		3057	"c/body" => {
		3058	id => "infobox",
		3059	title => "Body Parts",
		3060	reply => undef,
		3061	tooltip => "Shows which body parts you posess and are available",
		3062	},
		3063	"c/statistics" => {
		3064	id => "infobox",
		3065	title => "Statistics",
		3066	reply => undef,
		3067	tooltip => "Shows your primary statistics",
		3068	},
		3069	"c/skills" => {
		3070	id => "infobox",
		3071	title => "Skills",
		3072	reply => undef,
		3073	tooltip => "Shows your experience per skill and item power",
		3074	},
		3075	"c/shopitems" => {
		3076	id => "infobox",
		3077	title => "Shop Items",
		3078	reply => undef,
		3079	tooltip => "Shows the items currently for sale in this shop",
		3080	},
		3081	"c/resistances" => {
		3082	id => "infobox",
		3083	title => "Resistances",
		3084	reply => undef,
		3085	tooltip => "Shows your resistances",
		3086	},
		3087	"c/pets" => {
		3088	id => "infobox",
		3089	title => "Pets",
		3090	reply => undef,
		3091	tooltip => "Shows information abotu your pets/a specific pet",
		3092	},
		3093	"c/perceiveself" => {
		3094	id => "infobox",
		3095	title => "Perceive Self",
		3096	reply => undef,
		3097	tooltip => "You gained detailed knowledge about yourself",
		3098	},
		3099	"c/uptime" => {
		3100	id => "infobox",
		3101	title => "Uptime",
		3102	reply => undef,
		3103	tooltip => "How long the server has been running since last restart",
		3104	},
		3105	"c/mapinfo" => {
		3106	id => "infobox",
		3107	title => "Map Info",
		3108	reply => undef,
		3109	tooltip => "Information related to the maps",
		3110	},
		3111	"c/party" => {
		3112	id => "party",
		3113	title => "Party",
		3114	reply => "gsay ",
		3115	tooltip => "Messages and chat related to your party",
		3116	},
		3117	"c/death" => {
		3118	id => "death",
		3119	title => "Death",
		3120	reply => undef,
		3121	tooltip => "Reason for and more info about your most recent death",
		3122	},
		3123	"c/say" => $SAY_CHANNEL,
		3124	"c/chat" => $CHAT_CHANNEL,
2598	);	3125	);
2599		3126
2600	sub cf::client::send_msg {	3127	sub cf::client::send_msg {
2601	my ($self, $channel, $msg, $color, @extra) = @_;	3128	my ($self, $channel, $msg, $color, @extra) = @_;
2602		3129
2603	$msg = $self->pl->expand_cfpod ($msg);	3130	$msg = $self->pl->expand_cfpod ($msg)
		3131	unless $color & cf::NDI_VERBATIM;
2604		3132
2605	$color &= cf::NDI_CLIENT_MASK; # just in case...	3133	$color &= cf::NDI_CLIENT_MASK; # just in case...
2606		3134
2607	# check predefined channels, for the benefit of C	3135	# check predefined channels, for the benefit of C
2608	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	3136	if ($CHANNEL{$channel}) {
		3137	$channel = $CHANNEL{$channel};
2609		3138
		3139	$self->ext_msg (channel_info => $channel);
		3140	$channel = $channel->{id};
		3141
2610	if (ref $channel) {	3142	} elsif (ref $channel) {
2611	# send meta info to client, if not yet sent	3143	# send meta info to client, if not yet sent
2612	unless (exists $self->{channel}{$channel->{id}}) {	3144	unless (exists $self->{channel}{$channel->{id}}) {
2613	$self->{channel}{$channel->{id}} = $channel;	3145	$self->{channel}{$channel->{id}} = $channel;
2614	$self->ext_msg (channel_info => $channel)	3146	$self->ext_msg (channel_info => $channel);
2615	if $self->can_msg;
2616	}	3147	}
2617		3148
2618	$channel = $channel->{id};	3149	$channel = $channel->{id};
2619	}	3150	}
2620		3151
2621	return unless @extra || length $msg;	3152	return unless @extra || length $msg;
2622		3153
2623	if ($self->can_msg) {
2624	# default colour, mask it out	3154	# default colour, mask it out
2625	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3155	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2626	if $color & cf::NDI_DEF;	3156	if $color & cf::NDI_DEF;
2627		3157
2628	$self->send_packet ("msg " . $self->{json_coder}->encode (	3158	my $pkt = "msg "
		3159	. $self->{json_coder}->encode (
2629	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3160	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2630	} else {	3161	);
2631	if ($color >= 0) {
2632	# replace some tags by gcfclient-compatible ones
2633	for ($msg) {
2634	1 while
2635	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2636	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2637	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2638	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2639	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2640	}
2641		3162
2642	$color &= cf::NDI_COLOR_MASK;	3163	$self->send_big_packet ($pkt);
2643
2644	utf8::encode $msg;
2645
2646	if (0 && $msg =~ /\[/) {
2647	# COMMAND/INFO
2648	$self->send_packet ("drawextinfo $color 10 8 $msg")
2649	} else {
2650	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2651	$self->send_packet ("drawinfo $color $msg")
2652	}
2653	}
2654	}
2655	}	3164	}
2656		3165
2657	=item $client->ext_msg ($type, @msg)	3166	=item $client->ext_msg ($type, @msg)
2658		3167
2659	Sends an ext event to the client.	3168	Sends an ext event to the client.
…		…
2662		3171
2663	sub cf::client::ext_msg($$@) {	3172	sub cf::client::ext_msg($$@) {
2664	my ($self, $type, @msg) = @_;	3173	my ($self, $type, @msg) = @_;
2665		3174
2666	if ($self->extcmd == 2) {	3175	if ($self->extcmd == 2) {
2667	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3176	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2668	} elsif ($self->extcmd == 1) { # TODO: remove	3177	} elsif ($self->extcmd == 1) { # TODO: remove
2669	push @msg, msgtype => "event_$type";	3178	push @msg, msgtype => "event_$type";
2670	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2671	}	3180	}
2672	}	3181	}
2673		3182
2674	=item $client->ext_reply ($msgid, @msg)	3183	=item $client->ext_reply ($msgid, @msg)
2675		3184
…		…
2678	=cut	3187	=cut
2679		3188
2680	sub cf::client::ext_reply($$@) {	3189	sub cf::client::ext_reply($$@) {
2681	my ($self, $id, @msg) = @_;	3190	my ($self, $id, @msg) = @_;
2682		3191
2683	if ($self->extcmd == 2) {	3192	return unless $self->extcmd == 2;
		3193
2684	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3194	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2685	} elsif ($self->extcmd == 1) {
2686	#TODO: version 1, remove
2687	unshift @msg, msgtype => "reply", msgid => $id;
2688	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2689	}
2690	}	3195	}
2691		3196
2692	=item $success = $client->query ($flags, "text", \&cb)	3197	=item $success = $client->query ($flags, "text", \&cb)
2693		3198
2694	Queues a query to the client, calling the given callback with	3199	Queues a query to the client, calling the given callback with
…		…
2749	my ($ns, $buf) = @_;	3254	my ($ns, $buf) = @_;
2750		3255
2751	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3256	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2752		3257
2753	if (ref $msg) {	3258	if (ref $msg) {
2754	my ($type, $reply, @payload) =	3259	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2755	"ARRAY" eq ref $msg
2756	? @$msg
2757	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2758		3260
2759	my @reply;	3261	my @reply;
2760		3262
2761	if (my $cb = $EXTICMD{$type}) {	3263	if (my $cb = $EXTICMD{$type}) {
2762	@reply = $cb->($ns, @payload);	3264	@reply = $cb->($ns, @payload);
…		…
2764		3266
2765	$ns->ext_reply ($reply, @reply)	3267	$ns->ext_reply ($reply, @reply)
2766	if $reply;	3268	if $reply;
2767		3269
2768	} else {	3270	} else {
2769	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3271	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2770	}	3272	}
2771		3273
2772	cf::override;	3274	cf::override;
2773	},	3275	},
2774	);	3276	);
…		…
2794		3296
2795	$coro	3297	$coro
2796	}	3298	}
2797		3299
2798	cf::client->attach (	3300	cf::client->attach (
2799	on_destroy => sub {	3301	on_client_destroy => sub {
2800	my ($ns) = @_;	3302	my ($ns) = @_;
2801		3303
2802	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3304	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2803	},	3305	},
2804	);	3306	);
…		…
2820	our $safe_hole = new Safe::Hole;	3322	our $safe_hole = new Safe::Hole;
2821		3323
2822	$SIG{FPE} = 'IGNORE';	3324	$SIG{FPE} = 'IGNORE';
2823		3325
2824	$safe->permit_only (Opcode::opset qw(	3326	$safe->permit_only (Opcode::opset qw(
2825	:base_core :base_mem :base_orig :base_math	3327	:base_core :base_mem :base_orig :base_math :base_loop
2826	grepstart grepwhile mapstart mapwhile	3328	grepstart grepwhile mapstart mapwhile
2827	sort time	3329	sort time
2828	));	3330	));
2829		3331
2830	# here we export the classes and methods available to script code	3332	# here we export the classes and methods available to script code
…		…
2832	=pod	3334	=pod
2833		3335
2834	The following functions and methods are available within a safe environment:	3336	The following functions and methods are available within a safe environment:
2835		3337
2836	cf::object	3338	cf::object
2837	contr pay_amount pay_player map x y force_find force_add	3339	contr pay_amount pay_player map x y force_find force_add destroy
2838	insert remove name archname title slaying race decrease_ob_nr	3340	insert remove name archname title slaying race decrease split
		3341	value
2839		3342
2840	cf::object::player	3343	cf::object::player
2841	player	3344	player
2842		3345
2843	cf::player	3346	cf::player
…		…
2848		3351
2849	=cut	3352	=cut
2850		3353
2851	for (	3354	for (
2852	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3355	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2853	insert remove inv name archname title slaying race	3356	insert remove inv nrof name archname title slaying race
2854	decrease_ob_nr)],	3357	decrease split destroy change_exp value msg lore send_msg)],
2855	["cf::object::player" => qw(player)],	3358	["cf::object::player" => qw(player)],
2856	["cf::player" => qw(peaceful)],	3359	["cf::player" => qw(peaceful send_msg)],
2857	["cf::map" => qw(trigger)],	3360	["cf::map" => qw(trigger)],
2858	) {	3361	) {
2859	no strict 'refs';
2860	my ($pkg, @funs) = @$_;	3362	my ($pkg, @funs) = @$_;
2861	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3363	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2862	for @funs;	3364	for @funs;
2863	}	3365	}
2864		3366
…		…
2879		3381
2880	my $qcode = $code;	3382	my $qcode = $code;
2881	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3383	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2882	$qcode =~ s/\n/\\n/g;	3384	$qcode =~ s/\n/\\n/g;
2883		3385
		3386	%vars = (_dummy => 0) unless %vars;
		3387
		3388	my @res;
2884	local $_;	3389	local $_;
2885	local @safe::cf::_safe_eval_args = values %vars;
2886		3390
2887	my $eval =	3391	my $eval =
2888	"do {\n"	3392	"do {\n"
2889	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3393	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2890	. "#line 0 \"{$qcode}\"\n"	3394	. "#line 0 \"{$qcode}\"\n"
2891	. $code	3395	. $code
2892	. "\n}"	3396	. "\n}"
2893	;	3397	;
2894		3398
		3399	if ($CFG{safe_eval}) {
2895	sub_generation_inc;	3400	sub_generation_inc;
		3401	local @safe::cf::_safe_eval_args = values %vars;
2896	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3402	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2897	sub_generation_inc;	3403	sub_generation_inc;
		3404	} else {
		3405	local @cf::_safe_eval_args = values %vars;
		3406	@res = wantarray ? eval eval : scalar eval $eval;
		3407	}
2898		3408
2899	if ($@) {	3409	if ($@) {
2900	warn "$@";	3410	warn "$@",
2901	warn "while executing safe code '$code'\n";	3411	"while executing safe code '$code'\n",
2902	warn "with arguments " . (join " ", %vars) . "\n";	3412	"with arguments " . (join " ", %vars) . "\n";
2903	}	3413	}
2904		3414
2905	wantarray ? @res : $res[0]	3415	wantarray ? @res : $res[0]
2906	}	3416	}
2907		3417
…		…
2921	=cut	3431	=cut
2922		3432
2923	sub register_script_function {	3433	sub register_script_function {
2924	my ($fun, $cb) = @_;	3434	my ($fun, $cb) = @_;
2925		3435
2926	no strict 'refs';	3436	$fun = "safe::$fun" if $CFG{safe_eval};
2927	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3437	*$fun = $safe_hole->wrap ($cb);
2928	}	3438	}
2929		3439
2930	=back	3440	=back
2931		3441
2932	=cut	3442	=cut
…		…
2941	# for this (global event?)	3451	# for this (global event?)
2942	%ext::player_env::MUSIC_FACE_CACHE = ();	3452	%ext::player_env::MUSIC_FACE_CACHE = ();
2943		3453
2944	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3454	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2945		3455
2946	warn "loading facedata from $path\n";	3456	trace "loading facedata from $path\n";
2947		3457
2948	my $facedata;	3458	my $facedata = decode_storable load_file $path;
2949	0 < aio_load $path, $facedata
2950	or die "$path: $!";
2951
2952	$facedata = Coro::Storable::thaw $facedata;
2953		3459
2954	$facedata->{version} == 2	3460	$facedata->{version} == 2
2955	or cf::cleanup "$path: version mismatch, cannot proceed.";	3461	or cf::cleanup "$path: version mismatch, cannot proceed.";
2956		3462
2957	# patch in the exptable	3463	# patch in the exptable
		3464	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2958	$facedata->{resource}{"res/exp_table"} = {	3465	$facedata->{resource}{"res/exp_table"} = {
2959	type => FT_RSRC,	3466	type => FT_RSRC,
2960	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3467	data => $exp_table,
		3468	hash => (Digest::MD5::md5 $exp_table),
2961	};	3469	};
2962	cf::cede_to_tick;	3470	cf::cede_to_tick;
2963		3471
2964	{	3472	{
2965	my $faces = $facedata->{faceinfo};	3473	my $faces = $facedata->{faceinfo};
2966		3474
2967	while (my ($face, $info) = each %$faces) {	3475	while (my ($face, $info) = each %$faces) {
2968	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3476	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3477
2969	cf::face::set_visibility $idx, $info->{visibility};	3478	cf::face::set_visibility $idx, $info->{visibility};
2970	cf::face::set_magicmap $idx, $info->{magicmap};	3479	cf::face::set_magicmap $idx, $info->{magicmap};
2971	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3480	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2972	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3481	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3482	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2973		3483
2974	cf::cede_to_tick;	3484	cf::cede_to_tick;
2975	}	3485	}
2976		3486
2977	while (my ($face, $info) = each %$faces) {	3487	while (my ($face, $info) = each %$faces) {
2978	next unless $info->{smooth};	3488	next unless $info->{smooth};
		3489
2979	my $idx = cf::face::find $face	3490	my $idx = cf::face::find $face
2980	or next;	3491	or next;
		3492
2981	if (my $smooth = cf::face::find $info->{smooth}) {	3493	if (my $smooth = cf::face::find $info->{smooth}) {
2982	cf::face::set_smooth $idx, $smooth;	3494	cf::face::set_smooth $idx, $smooth;
2983	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3495	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2984	} else {	3496	} else {
2985	warn "smooth face '$info->{smooth}' not found for face '$face'";	3497	error "smooth face '$info->{smooth}' not found for face '$face'";
2986	}	3498	}
2987		3499
2988	cf::cede_to_tick;	3500	cf::cede_to_tick;
2989	}	3501	}
2990	}	3502	}
…		…
2999		3511
3000	cf::anim::invalidate_all; # d'oh	3512	cf::anim::invalidate_all; # d'oh
3001	}	3513	}
3002		3514
3003	{	3515	{
3004	# TODO: for gcfclient pleasure, we should give resources
3005	# that gcfclient doesn't grok a >10000 face index.
3006	my $res = $facedata->{resource};	3516	my $res = $facedata->{resource};
3007		3517
3008	my $soundconf = delete $res->{"res/sound.conf"};
3009
3010	while (my ($name, $info) = each %$res) {	3518	while (my ($name, $info) = each %$res) {
		3519	if (defined (my $type = delete $info->{type})) {
		3520	# TODO: different hash - must free and use new index, or cache ixface data queue
3011	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3521	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3012	my $data;
3013		3522
3014	if ($info->{type} & 1) {	3523	cf::face::set_data $idx, 0, delete $info->{data}, delete $info->{hash};
3015	# prepend meta info	3524	cf::face::set_type $idx, $type;
3016		3525	cf::face::set_meta $idx, (keys %$info && (~$type & 1)) ? $info : undef; # any keys left are stashed into meta unless prepended
3017	my $meta = $enc->encode ({
3018	name => $name,
3019	%{ $info->{meta} || {} },
3020	});
3021
3022	$data = pack "(w/a*)*", $meta, $info->{data};
3023	} else {	3526	} else {
3024	$data = $info->{data};	3527	# $RESOURCE{$name} = $info; # unused
3025	}	3528	}
3026		3529
3027	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3028	cf::face::set_type $idx, $info->{type};
3029
3030	cf::cede_to_tick;	3530	cf::cede_to_tick;
3031	}	3531	}
3032
3033	if ($soundconf) {
3034	$soundconf = $enc->decode (delete $soundconf->{data});
3035
3036	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3037	my $sound = $soundconf->{compat}[$_]
3038	or next;
3039
3040	my $face = cf::face::find "sound/$sound->[1]";
3041	cf::sound::set $sound->[0] => $face;
3042	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3043	}
3044
3045	while (my ($k, $v) = each %{$soundconf->{event}}) {
3046	my $face = cf::face::find "sound/$v";
3047	cf::sound::set $k => $face;
3048	}
3049	}
3050	}	3532	}
		3533
		3534	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3051		3535
3052	1	3536	1
3053	}	3537	}
3054		3538
3055	register_exticmd fx_want => sub {	3539	register_exticmd fx_want => sub {
…		…
3057		3541
3058	while (my ($k, $v) = each %$want) {	3542	while (my ($k, $v) = each %$want) {
3059	$ns->fx_want ($k, $v);	3543	$ns->fx_want ($k, $v);
3060	}	3544	}
3061	};	3545	};
		3546
		3547	sub load_resource_file($) {
		3548	my $guard = lock_acquire "load_resource_file";
		3549
		3550	my $status = load_resource_file_ $_[0];
		3551	get_slot 0.1, 100;
		3552	cf::arch::commit_load;
		3553
		3554	$status
		3555	}
3062		3556
3063	sub reload_regions {	3557	sub reload_regions {
3064	# HACK to clear player env face cache, we need some signal framework	3558	# HACK to clear player env face cache, we need some signal framework
3065	# for this (global event?)	3559	# for this (global event?)
3066	%ext::player_env::MUSIC_FACE_CACHE = ();	3560	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3080	}	3574	}
3081		3575
3082	sub reload_archetypes {	3576	sub reload_archetypes {
3083	load_resource_file "$DATADIR/archetypes"	3577	load_resource_file "$DATADIR/archetypes"
3084	or die "unable to load archetypes\n";	3578	or die "unable to load archetypes\n";
3085	#d# NEED to laod twice to resolve forward references
3086	# this really needs to be done in an extra post-pass
3087	# (which needs to be synchronous, so solve it differently)
3088	load_resource_file "$DATADIR/archetypes"
3089	or die "unable to load archetypes\n";
3090	}	3579	}
3091		3580
3092	sub reload_treasures {	3581	sub reload_treasures {
3093	load_resource_file "$DATADIR/treasures"	3582	load_resource_file "$DATADIR/treasures"
3094	or die "unable to load treasurelists\n";	3583	or die "unable to load treasurelists\n";
3095	}	3584	}
3096		3585
		3586	sub reload_sound {
		3587	trace "loading sound config from $DATADIR/sound\n";
		3588
		3589	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3590
		3591	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3592	my $sound = $soundconf->{compat}[$_]
		3593	or next;
		3594
		3595	my $face = cf::face::find "sound/$sound->[1]";
		3596	cf::sound::set $sound->[0] => $face;
		3597	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3598	}
		3599
		3600	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3601	my $face = cf::face::find "sound/$v";
		3602	cf::sound::set $k => $face;
		3603	}
		3604	}
		3605
3097	sub reload_resources {	3606	sub reload_resources {
3098	warn "reloading resource files...\n";	3607	trace "reloading resource files...\n";
3099		3608
		3609	reload_exp_table;
		3610	reload_materials;
		3611	reload_facedata;
		3612	reload_sound;
		3613	reload_archetypes;
3100	reload_regions;	3614	reload_regions;
3101	reload_facedata;
3102	#reload_archetypes;#d#
3103	reload_archetypes;
3104	reload_treasures;	3615	reload_treasures;
3105		3616
3106	warn "finished reloading resource files\n";	3617	trace "finished reloading resource files\n";
3107	}
3108
3109	sub init {
3110	reload_resources;
3111	}	3618	}
3112		3619
3113	sub reload_config {	3620	sub reload_config {
3114	open my $fh, "<:utf8", "$CONFDIR/config"	3621	trace "reloading config file...\n";
3115	or return;
3116		3622
3117	local $/;	3623	my $config = load_file "$CONFDIR/config";
3118	*CFG = YAML::Syck::Load <$fh>;	3624	utf8::decode $config;
		3625	*CFG = decode_yaml $config;
3119		3626
3120	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3627	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3121		3628
3122	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3629	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3123	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3630	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3124		3631
3125	if (exists $CFG{mlockall}) {	3632	if (exists $CFG{mlockall}) {
…		…
3129	};	3636	};
3130	warn $@ if $@;	3637	warn $@ if $@;
3131	}	3638	}
3132	}	3639	}
3133		3640
		3641	sub pidfile() {
		3642	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3643	or die "$PIDFILE: $!";
		3644	flock $fh, &Fcntl::LOCK_EX
		3645	or die "$PIDFILE: flock: $!";
		3646	$fh
		3647	}
		3648
		3649	# make sure only one server instance is running at any one time
		3650	sub atomic {
		3651	my $fh = pidfile;
		3652
		3653	my $pid = <$fh>;
		3654	kill 9, $pid if $pid > 0;
		3655
		3656	seek $fh, 0, 0;
		3657	print $fh $$;
		3658	}
		3659
		3660	sub main_loop {
		3661	trace "EV::loop starting\n";
		3662	if (1) {
		3663	EV::loop;
		3664	}
		3665	trace "EV::loop returned\n";
		3666	goto &main_loop unless $REALLY_UNLOOP;
		3667	}
		3668
3134	sub main {	3669	sub main {
		3670	cf::init_globals; # initialise logging
		3671
		3672	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3673	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3674	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3675	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3676
		3677	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3678
3135	# we must not ever block the main coroutine	3679	# we must not ever block the main coroutine
3136	local $Coro::idle = sub {	3680	local $Coro::idle = sub {
3137	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3681	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3138	(async {	3682	(async {
3139	Event::one_event;	3683	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3684	EV::loop EV::LOOP_ONESHOT;
3140	})->prio (Coro::PRIO_MAX);	3685	})->prio (Coro::PRIO_MAX);
3141	};	3686	};
3142		3687
		3688	evthread_start IO::AIO::poll_fileno;
		3689
		3690	cf::sync_job {
		3691	cf::incloader::init ();
		3692
		3693	cf::init_anim;
		3694	cf::init_attackmess;
		3695	cf::init_dynamic;
		3696
		3697	cf::load_settings;
		3698
		3699	reload_resources;
3143	reload_config;	3700	reload_config;
3144	db_init;	3701	db_init;
		3702
		3703	cf::init_uuid;
		3704	cf::init_signals;
		3705	cf::init_skills;
		3706
		3707	cf::init_beforeplay;
		3708
		3709	atomic;
		3710
3145	load_extensions;	3711	load_extensions;
3146		3712
3147	$TICK_WATCHER->start;	3713	utime time, time, $RUNTIMEFILE;
3148	Event::loop;	3714
		3715	# no (long-running) fork's whatsoever before this point(!)
		3716	use POSIX ();
		3717	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3718
		3719	cf::_post_init 0;
		3720	};
		3721
		3722	cf::object::thawer::errors_are_fatal 0;
		3723	info "parse errors in files are no longer fatal from this point on.\n";
		3724
		3725	AE::postpone {
		3726	undef &main; # free gobs of memory :)
		3727	};
		3728
		3729	goto &main_loop;
3149	}	3730	}
3150		3731
3151	#############################################################################	3732	#############################################################################
3152	# initialisation and cleanup	3733	# initialisation and cleanup
3153		3734
3154	# install some emergency cleanup handlers	3735	# install some emergency cleanup handlers
3155	BEGIN {	3736	BEGIN {
		3737	our %SIGWATCHER = ();
3156	for my $signal (qw(INT HUP TERM)) {	3738	for my $signal (qw(INT HUP TERM)) {
3157	Event->signal (	3739	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3158	reentrant => 0,
3159	data => WF_AUTOCANCEL,
3160	signal => $signal,
3161	prio => 0,
3162	cb => sub {
3163	cf::cleanup "SIG$signal";	3740	cf::cleanup "SIG$signal";
3164	},
3165	);	3741	};
3166	}	3742	}
3167	}	3743	}
3168		3744
3169	sub write_runtime {	3745	sub write_runtime_sync {
3170	my $runtime = "$LOCALDIR/runtime";	3746	my $t0 = AE::time;
3171		3747
3172	# first touch the runtime file to show we are still running:	3748	# first touch the runtime file to show we are still running:
3173	# the fsync below can take a very very long time.	3749	# the fsync below can take a very very long time.
3174		3750
3175	IO::AIO::aio_utime $runtime, undef, undef;	3751	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3176		3752
3177	my $guard = cf::lock_acquire "write_runtime";	3753	my $guard = cf::lock_acquire "write_runtime";
3178		3754
3179	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3755	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3180	or return;	3756	or return;
3181		3757
3182	my $value = $cf::RUNTIME + 90 + 10;	3758	my $value = $cf::RUNTIME + 90 + 10;
3183	# 10 is the runtime save interval, for a monotonic clock	3759	# 10 is the runtime save interval, for a monotonic clock
3184	# 60 allows for the watchdog to kill the server.	3760	# 60 allows for the watchdog to kill the server.
…		…
3194	aio_utime $fh, undef, undef;	3770	aio_utime $fh, undef, undef;
3195		3771
3196	close $fh	3772	close $fh
3197	or return;	3773	or return;
3198		3774
3199	aio_rename "$runtime~", $runtime	3775	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3200	and return;	3776	and return;
3201		3777
3202	warn "runtime file written.\n";	3778	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3203		3779
3204	1	3780	1
		3781	}
		3782
		3783	our $uuid_lock;
		3784	our $uuid_skip;
		3785
		3786	sub write_uuid_sync($) {
		3787	$uuid_skip ||= $_[0];
		3788
		3789	return if $uuid_lock;
		3790	local $uuid_lock = 1;
		3791
		3792	my $uuid = "$LOCALDIR/uuid";
		3793
		3794	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3795	or return;
		3796
		3797	my $value = uuid_seq uuid_cur;
		3798
		3799	unless ($value) {
		3800	info "cowardly refusing to write zero uuid value!\n";
		3801	return;
		3802	}
		3803
		3804	my $value = uuid_str $value + $uuid_skip;
		3805	$uuid_skip = 0;
		3806
		3807	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3808	and return;
		3809
		3810	# always fsync - this file is important
		3811	aio_fsync $fh
		3812	and return;
		3813
		3814	close $fh
		3815	or return;
		3816
		3817	aio_rename "$uuid~", $uuid
		3818	and return;
		3819
		3820	trace "uuid file written ($value).\n";
		3821
		3822	1
		3823
		3824	}
		3825
		3826	sub write_uuid($$) {
		3827	my ($skip, $sync) = @_;
		3828
		3829	$sync ? write_uuid_sync $skip
		3830	: async { write_uuid_sync $skip };
3205	}	3831	}
3206		3832
3207	sub emergency_save() {	3833	sub emergency_save() {
3208	my $freeze_guard = cf::freeze_mainloop;	3834	my $freeze_guard = cf::freeze_mainloop;
3209		3835
3210	warn "enter emergency perl save\n";	3836	info "emergency_perl_save: enter\n";
		3837
		3838	# this is a trade-off: we want to be very quick here, so
		3839	# save all maps without fsync, and later call a global sync
		3840	# (which in turn might be very very slow)
		3841	local $USE_FSYNC = 0;
3211		3842
3212	cf::sync_job {	3843	cf::sync_job {
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
3213	# use a peculiar iteration method to avoid tripping on perl	3846	# use a peculiar iteration method to avoid tripping on perl
3214	# refcount bugs in for. also avoids problems with players	3847	# refcount bugs in for. also avoids problems with players
3215	# and maps saved/destroyed asynchronously.	3848	# and maps saved/destroyed asynchronously.
3216	warn "begin emergency player save\n";	3849	info "emergency_perl_save: begin player save\n";
3217	for my $login (keys %cf::PLAYER) {	3850	for my $login (keys %cf::PLAYER) {
3218	my $pl = $cf::PLAYER{$login} or next;	3851	my $pl = $cf::PLAYER{$login} or next;
3219	$pl->valid or next;	3852	$pl->valid or next;
		3853	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3220	$pl->save;	3854	$pl->save;
3221	}	3855	}
3222	warn "end emergency player save\n";	3856	info "emergency_perl_save: end player save\n";
3223		3857
3224	warn "begin emergency map save\n";	3858	cf::write_runtime_sync; # external watchdog should not bark
		3859
		3860	info "emergency_perl_save: begin map save\n";
3225	for my $path (keys %cf::MAP) {	3861	for my $path (keys %cf::MAP) {
3226	my $map = $cf::MAP{$path} or next;	3862	my $map = $cf::MAP{$path} or next;
3227	$map->valid or next;	3863	$map->valid or next;
3228	$map->save;	3864	$map->save;
3229	}	3865	}
3230	warn "end emergency map save\n";	3866	info "emergency_perl_save: end map save\n";
3231		3867
3232	warn "begin emergency database checkpoint\n";	3868	cf::write_runtime_sync; # external watchdog should not bark
		3869
		3870	info "emergency_perl_save: begin database checkpoint\n";
3233	BDB::db_env_txn_checkpoint $DB_ENV;	3871	BDB::db_env_txn_checkpoint $DB_ENV;
3234	warn "end emergency database checkpoint\n";	3872	info "emergency_perl_save: end database checkpoint\n";
		3873
		3874	info "emergency_perl_save: begin write uuid\n";
		3875	write_uuid_sync 1;
		3876	info "emergency_perl_save: end write uuid\n";
		3877
		3878	cf::write_runtime_sync; # external watchdog should not bark
		3879
		3880	trace "emergency_perl_save: syncing database to disk";
		3881	BDB::db_env_txn_checkpoint $DB_ENV;
		3882
		3883	info "emergency_perl_save: starting sync\n";
		3884	IO::AIO::aio_sync sub {
		3885	info "emergency_perl_save: finished sync\n";
		3886	};
		3887
		3888	cf::write_runtime_sync; # external watchdog should not bark
		3889
		3890	trace "emergency_perl_save: flushing outstanding aio requests";
		3891	while (IO::AIO::nreqs || BDB::nreqs) {
		3892	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3893	}
		3894
		3895	cf::write_runtime_sync; # external watchdog should not bark
3235	};	3896	};
3236		3897
3237	warn "leave emergency perl save\n";	3898	info "emergency_perl_save: leave\n";
3238	}	3899	}
3239		3900
3240	sub post_cleanup {	3901	sub post_cleanup {
3241	my ($make_core) = @_;	3902	my ($make_core) = @_;
3242		3903
		3904	IO::AIO::flush;
		3905
3243	warn Carp::longmess "post_cleanup backtrace"	3906	error Carp::longmess "post_cleanup backtrace"
3244	if $make_core;	3907	if $make_core;
		3908
		3909	my $fh = pidfile;
		3910	unlink $PIDFILE if <$fh> == $$;
		3911	}
		3912
		3913	# a safer delete_package, copied from Symbol
		3914	sub clear_package($) {
		3915	my $pkg = shift;
		3916
		3917	# expand to full symbol table name if needed
		3918	unless ($pkg =~ /^main::.*::$/) {
		3919	$pkg = "main$pkg" if $pkg =~ /^::/;
		3920	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3921	$pkg .= '::' unless $pkg =~ /::$/;
		3922	}
		3923
		3924	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3925	my $stem_symtab = *{$stem}{HASH};
		3926
		3927	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3928	or return;
		3929
		3930	# clear all symbols
		3931	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3932	for my $name (keys %$leaf_symtab) {
		3933	_gv_clear *{"$pkg$name"};
		3934	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3935	}
3245	}	3936	}
3246		3937
3247	sub do_reload_perl() {	3938	sub do_reload_perl() {
3248	# can/must only be called in main	3939	# can/must only be called in main
3249	if ($Coro::current != $Coro::main) {	3940	unless (in_main) {
3250	warn "can only reload from main coroutine";	3941	error "can only reload from main coroutine";
3251	return;	3942	return;
3252	}	3943	}
3253		3944
3254	warn "reloading...";	3945	return if $RELOAD++;
3255		3946
3256	warn "entering sync_job";	3947	my $t1 = AE::time;
3257		3948
		3949	while ($RELOAD) {
		3950	cf::get_slot 0.1, -1, "reload_perl";
		3951	info "perl_reload: reloading...";
		3952
		3953	trace "perl_reload: entering sync_job";
		3954
3258	cf::sync_job {	3955	cf::sync_job {
3259	cf::write_runtime; # external watchdog should not bark
3260	cf::emergency_save;	3956	#cf::emergency_save;
3261	cf::write_runtime; # external watchdog should not bark
3262		3957
3263	warn "syncing database to disk";
3264	BDB::db_env_txn_checkpoint $DB_ENV;
3265
3266	# if anything goes wrong in here, we should simply crash as we already saved
3267
3268	warn "cancelling all WF_AUTOCANCEL watchers";
3269	for (Event::all_watchers) {
3270	$_->cancel if $_->data & WF_AUTOCANCEL;
3271	}
3272
3273	warn "flushing outstanding aio requests";
3274	for (;;) {
3275	BDB::flush;
3276	IO::AIO::flush;
3277	Coro::cede;
3278	last unless IO::AIO::nreqs || BDB::nreqs;
3279	warn "iterate...";
3280	}
3281
3282	++$RELOAD;
3283
3284	warn "cancelling all extension coros";	3958	trace "perl_reload: cancelling all extension coros";
3285	$_->cancel for values %EXT_CORO;	3959	$_->cancel for values %EXT_CORO;
3286	%EXT_CORO = ();	3960	%EXT_CORO = ();
3287		3961
3288	warn "removing commands";	3962	trace "perl_reload: removing commands";
3289	%COMMAND = ();	3963	%COMMAND = ();
3290		3964
3291	warn "removing ext/exti commands";	3965	trace "perl_reload: removing ext/exti commands";
3292	%EXTCMD = ();	3966	%EXTCMD = ();
3293	%EXTICMD = ();	3967	%EXTICMD = ();
3294		3968
3295	warn "unloading/nuking all extensions";	3969	trace "perl_reload: unloading/nuking all extensions";
3296	for my $pkg (@EXTS) {	3970	for my $pkg (@EXTS) {
3297	warn "... unloading $pkg";	3971	trace "... unloading $pkg";
3298		3972
3299	if (my $cb = $pkg->can ("unload")) {	3973	if (my $cb = $pkg->can ("unload")) {
3300	eval {	3974	eval {
3301	$cb->($pkg);	3975	$cb->($pkg);
3302	1	3976	1
3303	} or warn "$pkg unloaded, but with errors: $@";	3977	} or error "$pkg unloaded, but with errors: $@";
		3978	}
		3979
		3980	trace "... clearing $pkg";
		3981	clear_package $pkg;
3304	}	3982	}
3305		3983
3306	warn "... nuking $pkg";
3307	Symbol::delete_package $pkg;
3308	}
3309
3310	warn "unloading all perl modules loaded from $LIBDIR";	3984	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3311	while (my ($k, $v) = each %INC) {	3985	while (my ($k, $v) = each %INC) {
3312	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3986	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3313		3987
3314	warn "... unloading $k";	3988	trace "... unloading $k";
3315	delete $INC{$k};	3989	delete $INC{$k};
3316		3990
3317	$k =~ s/\.pm$//;	3991	$k =~ s/\.pm$//;
3318	$k =~ s/\//::/g;	3992	$k =~ s/\//::/g;
3319		3993
3320	if (my $cb = $k->can ("unload_module")) {	3994	if (my $cb = $k->can ("unload_module")) {
3321	$cb->();	3995	$cb->();
		3996	}
		3997
		3998	clear_package $k;
3322	}	3999	}
3323		4000
3324	Symbol::delete_package $k;
3325	}
3326
3327	warn "getting rid of safe::, as good as possible";	4001	trace "perl_reload: getting rid of safe::, as good as possible";
3328	Symbol::delete_package "safe::$_"	4002	clear_package "safe::$_"
3329	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4003	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3330		4004
3331	warn "unloading cf.pm \"a bit\"";	4005	trace "perl_reload: unloading cf.pm \"a bit\"";
3332	delete $INC{"cf.pm"};	4006	delete $INC{"cf.pm"};
3333	delete $INC{"cf/pod.pm"};	4007	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3334		4008
3335	# don't, removes xs symbols, too,	4009	# don't, removes xs symbols, too,
3336	# and global variables created in xs	4010	# and global variables created in xs
3337	#Symbol::delete_package __PACKAGE__;	4011	#clear_package __PACKAGE__;
3338		4012
3339	warn "unload completed, starting to reload now";	4013	info "perl_reload: unload completed, starting to reload now";
3340		4014
3341	warn "reloading cf.pm";	4015	trace "perl_reload: reloading cf.pm";
3342	require cf;	4016	require cf;
3343	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4017	cf::_connect_to_perl_1;
3344		4018
3345	warn "loading config and database again";	4019	trace "perl_reload: loading config and database again";
3346	cf::reload_config;	4020	cf::reload_config;
3347		4021
3348	warn "loading extensions";	4022	trace "perl_reload: loading extensions";
3349	cf::load_extensions;	4023	cf::load_extensions;
3350		4024
		4025	if ($REATTACH_ON_RELOAD) {
3351	warn "reattaching attachments to objects/players";	4026	trace "perl_reload: reattaching attachments to objects/players";
3352	_global_reattach; # objects, sockets	4027	_global_reattach; # objects, sockets
3353	warn "reattaching attachments to maps";	4028	trace "perl_reload: reattaching attachments to maps";
3354	reattach $_ for values %MAP;	4029	reattach $_ for values %MAP;
3355	warn "reattaching attachments to players";	4030	trace "perl_reload: reattaching attachments to players";
3356	reattach $_ for values %PLAYER;	4031	reattach $_ for values %PLAYER;
		4032	}
3357		4033
3358	warn "leaving sync_job";	4034	cf::_post_init 1;
3359		4035
		4036	trace "perl_reload: leaving sync_job";
		4037
3360	1	4038	1
3361	} or do {	4039	} or do {
3362	warn $@;	4040	error $@;
3363	warn "error while reloading, exiting.";	4041	cf::cleanup "perl_reload: error, exiting.";
3364	exit 1;	4042	};
		4043
		4044	--$RELOAD;
3365	};	4045	}
3366		4046
3367	warn "reloaded";	4047	$t1 = AE::time - $t1;
		4048	info "perl_reload: completed in ${t1}s\n";
3368	};	4049	};
3369		4050
3370	our $RELOAD_WATCHER; # used only during reload	4051	our $RELOAD_WATCHER; # used only during reload
3371		4052
3372	sub reload_perl() {	4053	sub reload_perl() {
3373	# doing reload synchronously and two reloads happen back-to-back,	4054	# doing reload synchronously and two reloads happen back-to-back,
3374	# coro crashes during coro_state_free->destroy here.	4055	# coro crashes during coro_state_free->destroy here.
3375		4056
3376	$RELOAD_WATCHER ||= Event->timer (	4057	$RELOAD_WATCHER ||= cf::async {
3377	reentrant => 0,	4058	Coro::AIO::aio_wait cache_extensions;
3378	after => 0,	4059
3379	data => WF_AUTOCANCEL,	4060	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3380	cb => sub {
3381	do_reload_perl;	4061	do_reload_perl;
3382	undef $RELOAD_WATCHER;	4062	undef $RELOAD_WATCHER;
3383	},	4063	};
3384	);	4064	};
3385	}	4065	}
3386		4066
3387	register_command "reload" => sub {	4067	register_command "reload" => sub {
3388	my ($who, $arg) = @_;	4068	my ($who, $arg) = @_;
3389		4069
3390	if ($who->flag (FLAG_WIZ)) {	4070	if ($who->flag (FLAG_WIZ)) {
3391	$who->message ("reloading server.");	4071	$who->message ("reloading server.");
		4072	async {
		4073	$Coro::current->{desc} = "perl_reload";
3392	async { reload_perl };	4074	reload_perl;
		4075	};
3393	}	4076	}
3394	};	4077	};
3395		4078
3396	unshift @INC, $LIBDIR;	4079	#############################################################################
3397		4080
3398	my $bug_warning = 0;	4081	my $bug_warning = 0;
3399		4082
3400	our @WAIT_FOR_TICK;
3401	our @WAIT_FOR_TICK_BEGIN;
3402
3403	sub wait_for_tick {	4083	sub wait_for_tick() {
3404	return unless $TICK_WATCHER->is_active;	4084	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3405	return if $Coro::current == $Coro::main;
3406		4085
3407	my $signal = new Coro::Signal;	4086	$WAIT_FOR_TICK->wait;
3408	push @WAIT_FOR_TICK, $signal;
3409	$signal->wait;
3410	}	4087	}
3411		4088
3412	sub wait_for_tick_begin {	4089	sub wait_for_tick_begin() {
3413	return unless $TICK_WATCHER->is_active;	4090	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3414	return if $Coro::current == $Coro::main;
3415		4091
3416	my $signal = new Coro::Signal;	4092	my $signal = new Coro::Signal;
3417	push @WAIT_FOR_TICK_BEGIN, $signal;	4093	push @WAIT_FOR_TICK_BEGIN, $signal;
3418	$signal->wait;	4094	$signal->wait;
3419	}	4095	}
3420		4096
3421	my $min = 1e6;#d#	4097	sub tick {
3422	my $avg = 10;
3423	$TICK_WATCHER = Event->timer (
3424	reentrant => 0,
3425	parked => 1,
3426	prio => 0,
3427	at => $NEXT_TICK || $TICK,
3428	data => WF_AUTOCANCEL,
3429	cb => sub {
3430	if ($Coro::current != $Coro::main) {	4098	if ($Coro::current != $Coro::main) {
3431	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4099	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3432	unless ++$bug_warning > 10;	4100	unless ++$bug_warning > 10;
3433	return;	4101	return;
3434	}	4102	}
3435		4103
3436	$NOW = $tick_start = Event::time;	4104	cf::one_tick; # one server iteration
3437		4105
3438	cf::server_tick; # one server iteration	4106	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3439		4107
3440	0 && sync_job {#d#	4108	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3441	for(1..10) {	4109	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3442	my $t = Event::time;	4110	Coro::async_pool {
3443	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4111	$Coro::current->{desc} = "runtime saver";
3444	or die;	4112	write_runtime_sync
3445		4113	or error "ERROR: unable to write runtime file: $!";
3446	$map->width (50);
3447	$map->height (50);
3448	$map->alloc;
3449	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
3450	my $t = Event::time - $t;
3451
3452	#next unless $t < 0.0013;#d#
3453	if ($t < $min) {
3454	$min = $t;
3455	}
3456	$avg = $avg * 0.99 + $t * 0.01;
3457	}
3458	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3459	exit 0;
3460	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3461	};	4114	};
		4115	}
3462		4116
3463	$RUNTIME += $TICK;
3464	$NEXT_TICK += $TICK;
3465
3466	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3467	$NEXT_RUNTIME_WRITE = $NOW + 10;
3468	Coro::async_pool {
3469	write_runtime
3470	or warn "ERROR: unable to write runtime file: $!";
3471	};
3472	}
3473
3474	# my $AFTER = Event::time;
3475	# warn $AFTER - $NOW;#d#
3476
3477	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4117	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3478	$sig->send;	4118	$sig->send;
3479	}	4119	}
3480	while (my $sig = shift @WAIT_FOR_TICK) {	4120	$WAIT_FOR_TICK->broadcast;
3481	$sig->send;
3482	}
3483		4121
3484	$NOW = Event::time;	4122	$LOAD = ($NOW - $TICK_START) / $TICK;
3485
3486	# if we are delayed by four ticks or more, skip them all
3487	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3488
3489	$TICK_WATCHER->at ($NEXT_TICK);
3490	$TICK_WATCHER->start;
3491
3492	$LOAD = ($NOW - $tick_start) / $TICK;
3493	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4123	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3494		4124
3495	_post_tick;	4125	if (0) {
3496		4126	if ($NEXT_TICK) {
3497		4127	my $jitter = $TICK_START - $NEXT_TICK;
		4128	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4129	debug "jitter $JITTER\n";#d#
		4130	}
3498	},	4131	}
3499	);	4132	}
3500		4133
3501	{	4134	{
3502	BDB::max_poll_time $TICK * 0.1;	4135	# configure BDB
3503	$BDB_POLL_WATCHER = Event->io (	4136
3504	reentrant => 0,
3505	fd => BDB::poll_fileno,
3506	poll => 'r',
3507	prio => 0,
3508	data => WF_AUTOCANCEL,
3509	cb => \&BDB::poll_cb,
3510	);
3511	BDB::min_parallel 8;	4137	BDB::min_parallel 16;
3512		4138	BDB::max_poll_reqs $TICK * 0.1;
3513	BDB::set_sync_prepare {	4139	#$AnyEvent::BDB::WATCHER->priority (1);
3514	my $status;
3515	my $current = $Coro::current;
3516	(
3517	sub {
3518	$status = $!;
3519	$current->ready; undef $current;
3520	},
3521	sub {
3522	Coro::schedule while defined $current;
3523	$! = $status;
3524	},
3525	)
3526	};
3527		4140
3528	unless ($DB_ENV) {	4141	unless ($DB_ENV) {
3529	$DB_ENV = BDB::db_env_create;	4142	$DB_ENV = BDB::db_env_create;
		4143	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4144	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4145	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4146	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4147	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3530		4148
3531	cf::sync_job {	4149	cf::sync_job {
3532	eval {	4150	eval {
3533	BDB::db_env_open	4151	BDB::db_env_open
3534	$DB_ENV,	4152	$DB_ENV,
…		…
3536	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4154	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3537	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4155	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3538	0666;	4156	0666;
3539		4157
3540	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4158	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3541
3542	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3543	$DB_ENV->set_lk_detect;
3544	};	4159	};
3545		4160
3546	cf::cleanup "db_env_open(db): $@" if $@;	4161	cf::cleanup "db_env_open(db): $@" if $@;
3547	};	4162	};
3548	}	4163	}
		4164
		4165	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4166	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4167	};
		4168	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4169	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4170	};
		4171	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4172	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4173	};
3549	}	4174	}
3550		4175
3551	{	4176	{
		4177	# configure IO::AIO
		4178
3552	IO::AIO::min_parallel 8;	4179	IO::AIO::min_parallel 8;
3553
3554	undef $Coro::AIO::WATCHER;
3555	IO::AIO::max_poll_time $TICK * 0.1;	4180	IO::AIO::max_poll_time $TICK * 0.1;
3556	$AIO_POLL_WATCHER = Event->io (	4181	undef $AnyEvent::AIO::WATCHER;
3557	reentrant => 0,
3558	data => WF_AUTOCANCEL,
3559	fd => IO::AIO::poll_fileno,
3560	poll => 'r',
3561	prio => 6,
3562	cb => \&IO::AIO::poll_cb,
3563	);
3564	}	4182	}
3565		4183
3566	my $_log_backtrace;	4184	our $_log_backtrace;
		4185	our $_log_backtrace_last;
3567		4186
3568	sub _log_backtrace {	4187	sub _log_backtrace {
3569	my ($msg, @addr) = @_;	4188	my ($msg, @addr) = @_;
3570		4189
3571	$msg =~ s/\n//;	4190	$msg =~ s/\n$//;
3572		4191
		4192	if ($_log_backtrace_last eq $msg) {
		4193	LOG llevInfo, "[ABT] $msg\n";
		4194	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3573	# limit the # of concurrent backtraces	4195	# limit the # of concurrent backtraces
3574	if ($_log_backtrace < 2) {	4196	} elsif ($_log_backtrace < 2) {
		4197	$_log_backtrace_last = $msg;
3575	++$_log_backtrace;	4198	++$_log_backtrace;
		4199	my $perl_bt = Carp::longmess $msg;
3576	async {	4200	async {
		4201	$Coro::current->{desc} = "abt $msg";
		4202
3577	my @bt = fork_call {	4203	my @bt = fork_call {
3578	@addr = map { sprintf "%x", $_ } @addr;	4204	@addr = map { sprintf "%x", $_ } @addr;
3579	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4205	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3580	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4206	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3581	or die "addr2line: $!";	4207	or die "addr2line: $!";
…		…
3589	}	4215	}
3590		4216
3591	@funcs	4217	@funcs
3592	};	4218	};
3593		4219
3594	LOG llevInfo, "[ABT] $msg\n";	4220	LOG llevInfo, "[ABT] $perl_bt\n";
		4221	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3595	LOG llevInfo, "[ABT] $_\n" for @bt;	4222	LOG llevInfo, "[ABT] $_\n" for @bt;
3596	--$_log_backtrace;	4223	--$_log_backtrace;
3597	};	4224	};
3598	} else {	4225	} else {
3599	LOG llevInfo, "[ABT] $msg\n";	4226	LOG llevInfo, "[ABT] $msg\n";
3600	LOG llevInfo, "[ABT] [suppressed]\n";	4227	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3601	}	4228	}
3602	}	4229	}
3603		4230
3604	# load additional modules	4231	# load additional modules
3605	use cf::pod;	4232	require "cf/$_.pm" for @EXTRA_MODULES;
		4233	cf::_connect_to_perl_2;
3606		4234
3607	END { cf::emergency_save }	4235	END { cf::emergency_save }
3608		4236
3609	1	4237	1
3610		4238

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