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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.352 by root, Sun Sep 2 04:57:14 2007 UTC vs.
Revision 1.579 by root, Wed Jan 4 03:22:28 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.64 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.32 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		75
43	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
44		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		78
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
54		85
55	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
65	our $DATADIR = datadir;	99	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
69	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	#our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
75		120
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	123	our $NEXT_TICK;
		124	our $USE_FSYNC = 1; # use fsync to write maps - default on
		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
		128	our $BDB_TRICKLE_WATCHER;
		129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
		133	our %CFG;
		134
		135	our $UPTIME; $UPTIME ||= time;
		136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
81	our $NOW;	138	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		139
84	our $BDB_POLL_WATCHER;	140	our (%PLAYER, %PLAYER_LOADING); # all users
85	our $DB_ENV;	141	our (%MAP, %MAP_LOADING ); # all maps
86
87	our %CFG;
88
89	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;
91
92	our %PLAYER; # all users
93	our %MAP; # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
95		143
96	# used to convert map paths into valid unix filenames by replacing / by ∕	144	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		146
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	147	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	150	our $TICK_START; # for load detecting purposes
		151
		152	our @POST_INIT;
		153
		154	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		155	our $REALLY_UNLOOP; # never set to true, please :)
		156
		157	our $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
102		159
103	binmode STDOUT;	160	binmode STDOUT;
104	binmode STDERR;	161	binmode STDERR;
105		162
106	# read virtual server time, if available	163	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
111	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
112		171
113	mkdir $_	172	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		174
116	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
117		176
118	sub cf::map::normalise;	177	sub cf::map::normalise;
119		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
120	#############################################################################	183	#############################################################################
121		184
		185	%REFLECT = ();
		186	for (@REFLECT) {
		187	my $reflect = JSON::XS::decode_json $_;
		188	$REFLECT{$reflect->{class}} = $reflect;
		189	}
		190
		191	# this is decidedly evil
		192	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		193
		194	#############################################################################
		195
122	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
123		197
124	=over 4	198	=over 4
125		199
126	=item $cf::UPTIME	200	=item $cf::UPTIME
127		201
128	The timestamp of the server start (so not actually an uptime).	202	The timestamp of the server start (so not actually an "uptime").
		203
		204	=item $cf::SERVER_TICK
		205
		206	An unsigned integer that starts at zero when the server is started and is
		207	incremented on every tick.
		208
		209	=item $cf::NOW
		210
		211	The (real) time of the last (current) server tick - updated before and
		212	after tick processing, so this is useful only as a rough "what time is it
		213	now" estimate.
		214
		215	=item $cf::TICK
		216
		217	The interval between each server tick, in seconds.
129		218
130	=item $cf::RUNTIME	219	=item $cf::RUNTIME
131		220
132	The time this server has run, starts at 0 and is increased by $cf::TICK on	221	The time this server has run, starts at 0 and is increased by $cf::TICK on
133	every server tick.	222	every server tick.
…		…
139	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
141	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
142	database environment.	231	database environment.
143		232
144	=item $cf::NOW
145
146	The time of the last (current) server tick.
147
148	=item $cf::TICK
149
150	The interval between server ticks, in seconds.
151
152	=item $cf::LOADAVG	233	=item $cf::LOADAVG
153		234
154	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
155	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
156	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
159		240
160	The raw value load value from the last tick.	241	The raw value load value from the last tick.
161		242
162	=item %cf::CFG	243	=item %cf::CFG
163		244
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	246	from wherever your confdir points to.
166		247
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		249
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
170	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
172		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$cf::WAIT_FOR_TICK>).
		258
		259	=item $cf::WAIT_FOR_TICK
		260
		261	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		262	variable contains a L<Coro::Signal> that is broadcats after every server
		263	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		264	next server tick.
		265
		266	=cut
		267
		268	sub wait_for_tick();
		269	sub wait_for_tick_begin();
		270
173	=item @cf::INVOKE_RESULTS	271	=item @cf::INVOKE_RESULTS
174		272
175	This array contains the results of the last C<invoke ()> call. When	273	This array contains the results of the last C<invoke ()> call. When
176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	274	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	275	that call.
178		276
		277	=item %cf::REFLECT
		278
		279	Contains, for each (C++) class name, a hash reference with information
		280	about object members (methods, scalars, arrays and flags) and other
		281	metadata, which is useful for introspection.
		282
179	=back	283	=back
180		284
181	=cut	285	=cut
182		286
183	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
184	*CORE::GLOBAL::warn = sub {	288	sub warn (@) { LOG llevWarn , join "", @_ }
		289	sub info (@) { LOG llevInfo , join "", @_ }
		290	sub debug(@) { LOG llevDebug, join "", @_ }
		291	sub trace(@) { LOG llevTrace, join "", @_ }
		292
		293	$Coro::State::WARNHOOK = sub {
185	my $msg = join "", @_;	294	my $msg = join "", @_;
186		295
187	$msg .= "\n"	296	$msg .= "\n"
188	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
189		298
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		300
192	utf8::encode $msg;
193	LOG llevError, $msg;	301	LOG llevWarn, $msg;
194	};	302	};
195	}	303
		304	$Coro::State::DIEHOOK = sub {
		305	return unless $^S eq 0; # "eq", not "=="
		306
		307	error Carp::longmess $_[0];
		308
		309	if (in_main) {#d#
		310	error "DIEHOOK called in main context, Coro bug?\n";#d#
		311	return;#d#
		312	}#d#
		313
		314	# kill coroutine otherwise
		315	Coro::terminate
		316	};
196		317
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	328	for my $pkg (qw(
208	cf::global cf::attachable	329	cf::global cf::attachable
209	cf::object cf::object::player	330	cf::object cf::object::player
210	cf::client cf::player	331	cf::client cf::player
211	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
212	cf::map cf::party cf::region	334	cf::party cf::region
213	)) {	335	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	337	}
217		338
218	$Event::DIED = sub {	339	$EV::DIED = sub {
219	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
220	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
221		347
222	#############################################################################	348	#############################################################################
223		349
224	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
225		351
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	372	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	373	$d
248	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
249	}	375	}
250		376
		377	=item $scalar = load_file $path
		378
		379	Loads the given file from path and returns its contents. Croaks on error
		380	and can block.
		381
		382	=cut
		383
		384	sub load_file($) {
		385	0 <= aio_load $_[0], my $data
		386	or Carp::croak "$_[0]: $!";
		387
		388	$data
		389	}
		390
251	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
252		392
253	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
254		394
255	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
256		396
257	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
258		398
259	=cut	399	=cut
260		400
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		402
263	sub to_json ($) { $json_coder->encode ($_[0]) }	403	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	404	sub decode_json($) { $json_coder->decode ($_[0]) }
		405
		406	=item $ref = cf::decode_storable $scalar
		407
		408	Same as Coro::Storable::thaw, so blocks.
		409
		410	=cut
		411
		412	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		413
		414	=item $ref = cf::decode_yaml $scalar
		415
		416	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		417
		418	=cut
		419
		420	sub decode_yaml($) {
		421	fork_call { YAML::XS::Load $_[0] } @_
		422	}
		423
		424	=item $scalar = cf::unlzf $scalar
		425
		426	Same as Compress::LZF::compress, but takes server ticks into account, so
		427	blocks.
		428
		429	=cut
		430
		431	sub unlzf($) {
		432	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		433	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		434	Compress::LZF::decompress $_[0]
		435	}
		436
		437	=item cf::post_init { BLOCK }
		438
		439	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		440	but I<before> the server starts ticking again.
		441
		442	The codeblock will have a single boolean argument to indicate whether this
		443	is a reload or not.
		444
		445	=cut
		446
		447	sub post_init(&) {
		448	push @POST_INIT, shift;
		449	}
		450
		451	sub _post_init {
		452	trace "running post_init jobs";
		453
		454	# run them in parallel...
		455
		456	my @join;
		457
		458	while () {
		459	push @join, map &Coro::async ($_, 0), @POST_INIT;
		460	@POST_INIT = ();
		461
		462	@join or last;
		463
		464	(pop @join)->join;
		465	}
		466	}
265		467
266	=item cf::lock_wait $string	468	=item cf::lock_wait $string
267		469
268	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
269		471
270	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
271		473
272	Wait until the given lock is available and then acquires it and returns	474	Wait until the given lock is available and then acquires it and returns
273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	475	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
274	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
275	returned.	477	returned.
276		478
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		492
291	sub lock_wait($) {	493	sub lock_wait($) {
292	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
293
294	# wait for lock, if any
295	while ($LOCK{$key}) {
296	push @{ $LOCK{$key} }, $Coro::current;
297	Coro::schedule;
298	}
299	}	495	}
300		496
301	sub lock_acquire($) {	497	sub lock_acquire($) {
302	my ($key) = @_;	498	$LOCKS->guard ($_[0])
303
304	# wait, to be sure we are not locked
305	lock_wait $key;
306
307	$LOCK{$key} = [];
308
309	Coro::guard {
310	# wake up all waiters, to be on the safe side
311	$_->ready for @{ delete $LOCK{$key} };
312	}
313	}	499	}
314		500
315	sub lock_active($) {	501	sub lock_active($) {
316	my ($key) = @_;	502	$LOCKS->count ($_[0]) < 1
317
318	! ! $LOCK{$key}
319	}	503	}
320		504
321	sub freeze_mainloop {	505	sub freeze_mainloop {
322	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
323		507
324	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
325	$TICK_WATCHER->start;	509	}
326	};	510
327	$TICK_WATCHER->stop;	511	=item cf::periodic $interval, $cb
328	$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
329	}	524	}
330		525
331	=item cf::get_slot $time[, $priority[, $name]]	526	=item cf::get_slot $time[, $priority[, $name]]
332		527
333	Allocate $time seconds of blocking CPU time at priority C<$priority>:	528	Allocate $time seconds of blocking CPU time at priority C<$priority>
334	This call blocks and returns only when you have at least C<$time> seconds	529	(default: 0): This call blocks and returns only when you have at least
335	of cpu time till the next tick. The slot is only valid till the next cede.	530	C<$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.
336		535
337	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
338	used for statistical purposes and should identify the same time-class.	537	used for statistical purposes and should identify the same time-class.
339		538
340	Useful for short background jobs.	539	Useful for short background jobs.
341		540
342	=cut	541	=cut
343		542
344	our @SLOT_QUEUE;	543	our @SLOT_QUEUE;
345	our $SLOT_QUEUE;	544	our $SLOT_QUEUE;
		545	our $SLOT_DECAY = 0.9;
346		546
347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	547	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
348	$SLOT_QUEUE = Coro::async {	548	$SLOT_QUEUE = Coro::async {
		549	$Coro::current->desc ("timeslot manager");
		550
349	my $signal = new Coro::Signal;	551	my $signal = new Coro::Signal;
		552	my $busy;
350		553
351	while () {	554	while () {
352	next_job:	555	next_job:
		556
353	my $avail = cf::till_tick;	557	my $avail = cf::till_tick;
354	if ($avail > 0.01) {	558
355	for (0 .. $#SLOT_QUEUE) {	559	for (0 .. $#SLOT_QUEUE) {
356	if ($SLOT_QUEUE[$_][0] < $avail) {	560	if ($SLOT_QUEUE[$_][0] <= $avail) {
		561	$busy = 0;
357	my $job = splice @SLOT_QUEUE, $_, 1, ();	562	my $job = splice @SLOT_QUEUE, $_, 1, ();
358	$job->[2]->send;	563	$job->[2]->send;
359	Coro::cede;	564	Coro::cede;
360	goto next_job;	565	goto next_job;
361	}	566	} else {
		567	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
362	}	568	}
363	}	569	}
364		570
365	if (@SLOT_QUEUE) {	571	if (@SLOT_QUEUE) {
366	# 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
367	push @cf::WAIT_FOR_TICK, $signal;	573	$WAIT_FOR_TICK->wait;
368	$signal->wait;
369	} else {	574	} else {
		575	$busy = 0;
370	Coro::schedule;	576	Coro::schedule;
371	}	577	}
372	}	578	}
373	};	579	};
374		580
375	sub get_slot($;$$) {	581	sub get_slot($;$$) {
		582	return if tick_inhibit || $Coro::current == $Coro::main;
		583
376	my ($time, $pri, $name) = @_;	584	my ($time, $pri, $name) = @_;
377		585
378	$time = $TICK * .6 if $time > $TICK * .6;	586	$time = clamp $time, 0.01, $TICK * .6;
		587
379	my $sig = new Coro::Signal;	588	my $sig = new Coro::Signal;
380		589
381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	590	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	591	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
383	$SLOT_QUEUE->ready;	592	$SLOT_QUEUE->ready;
…		…
394		603
395	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
396		605
397	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
398		607
399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	608	The design of Deliantra requires that the main coroutine ($Coro::main)
400	is always able to handle events or runnable, as Crossfire TRT is only	609	is always able to handle events or runnable, as Deliantra is only
401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	610	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
402	acceptable.	611	acceptable.
403		612
404	If it must be done, put the blocking parts into C<sync_job>. This will run	613	If it must be done, put the blocking parts into C<sync_job>. This will run
405	the given BLOCK in another coroutine while waiting for the result. The	614	the given BLOCK in another coroutine while waiting for the result. The
…		…
409	=cut	618	=cut
410		619
411	sub sync_job(&) {	620	sub sync_job(&) {
412	my ($job) = @_;	621	my ($job) = @_;
413		622
414	if ($Coro::current == $Coro::main) {	623	if (in_main) {
415	my $time = Event::time;	624	my $time = AE::time;
416		625
417	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
418	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
419		628
420	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
421	# (but this is cancel-safe)	630
422	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
423		632
424	my $busy = 1;	633	my $busy = 1;
425	my @res;	634	my @res;
426		635
427	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
428	@res = eval { $job->() };	638	@res = eval { $job->() };
429	warn $@ if $@;	639	error $@ if $@;
430	undef $busy;	640	undef $busy;
431	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
432		642
433	while ($busy) {	643	while ($busy) {
434	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
435	}	648	}
		649	}
436		650
437	$time = Event::time - $time;	651	my $time = AE::time - $time;
438		652
439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
441
442	$tick_start += $time; # do not account sync jobs to server load	653	$TICK_START += $time; # do not account sync jobs to server load
443		654
444	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
445	} else {	656	} else {
446	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
447		658
…		…
467	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
468		679
469	$coro	680	$coro
470	}	681	}
471		682
472	=item fork_call { }, $args	683	=item fork_call { }, @args
473		684
474	Executes the given code block with the given arguments in a seperate	685	Executes the given code block with the given arguments in a seperate
475	process, returning the results. Everything must be serialisable with	686	process, returning the results. Everything must be serialisable with
476	Coro::Storable. May, of course, block. Note that the executed sub may	687	Coro::Storable. May, of course, block. Note that the executed sub may
477	never block itself or use any form of Event handling.	688	never block itself or use any form of event handling.
478		689
479	=cut	690	=cut
		691
		692	sub post_fork {
		693	reset_signals;
		694	}
480		695
481	sub fork_call(&@) {	696	sub fork_call(&@) {
482	my ($cb, @args) = @_;	697	my ($cb, @args) = @_;
483		698
484	# we seemingly have to make a local copy of the whole thing,	699	# we seemingly have to make a local copy of the whole thing,
485	# otherwise perl prematurely frees the stuff :/	700	# otherwise perl prematurely frees the stuff :/
486	# TODO: investigate and fix (liekly this will be rather laborious)	701	# TODO: investigate and fix (likely this will be rather laborious)
487		702
488	my @res = Coro::Util::fork_eval {	703	my @res = Coro::Util::fork_eval {
489	reset_signals;	704	cf::post_fork;
490	&$cb	705	&$cb
491	}, @args;	706	} @args;
492		707
493	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
494	}	747	}
495		748
496	=item $value = cf::db_get $family => $key	749	=item $value = cf::db_get $family => $key
497		750
498	Returns a single value from the environment database.	751	Returns a single value from the environment database.
…		…
500	=item cf::db_put $family => $key => $value	753	=item cf::db_put $family => $key => $value
501		754
502	Stores the given C<$value> in the family. It can currently store binary	755	Stores the given C<$value> in the family. It can currently store binary
503	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).
504		757
		758	=item $db = cf::db_table "name"
		759
		760	Create and/or open a new database table. The string must not be "db" and must be unique
		761	within each server.
		762
505	=cut	763	=cut
		764
		765	sub db_table($) {
		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	}
506		784
507	our $DB;	785	our $DB;
508		786
509	sub db_init {	787	sub db_init {
510	unless ($DB) {	788	$DB ||= db_table "db";
511	$DB = BDB::db_create $DB_ENV;
512
513	cf::sync_job {
514	eval {
515	$DB->set_flags (BDB::CHKSUM);
516
517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
519	cf::cleanup "db_open(db): $!" if $!;
520	};
521	cf::cleanup "db_open(db): $@" if $@;
522	};
523	}
524	}	789	}
525		790
526	sub db_get($$) {	791	sub db_get($$) {
527	my $key = "$_[0]/$_[1]";	792	my $key = "$_[0]/$_[1]";
528		793
529	cf::sync_job {	794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
530	BDB::db_get $DB, undef, $key, my $data;	797	BDB::db_get $DB, undef, $key, my $data;
531		798
532	$! ? ()	799	$! ? ()
533	: $data	800	: $data
534	}
535	}	801	}
536		802
537	sub db_put($$$) {	803	sub db_put($$$) {
538	BDB::dbreq_pri 4;	804	BDB::dbreq_pri 4;
539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
567		833
568	my @data;	834	my @data;
569	my $md5;	835	my $md5;
570		836
571	for (0 .. $#$src) {	837	for (0 .. $#$src) {
572	0 <= aio_load $src->[$_], $data[$_]	838	$data[$_] = load_file $src->[$_];
573	or Carp::croak "$src->[$_]: $!";
574	}	839	}
575		840
576	# if processing is expensive, check	841	# if processing is expensive, check
577	# checksum first	842	# checksum first
578	if (1) {	843	if (1) {
…		…
595		860
596	my $t1 = Time::HiRes::time;	861	my $t1 = Time::HiRes::time;
597	my $data = $process->(\@data);	862	my $data = $process->(\@data);
598	my $t2 = Time::HiRes::time;	863	my $t2 = Time::HiRes::time;
599		864
600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
601		866
602	db_put cache => "$id/data", $data;	867	db_put cache => "$id/data", $data;
603	db_put cache => "$id/md5" , $md5;	868	db_put cache => "$id/md5" , $md5;
604	db_put cache => "$id/meta", $meta;	869	db_put cache => "$id/meta", $meta;
605		870
…		…
615		880
616	=cut	881	=cut
617		882
618	sub datalog($@) {	883	sub datalog($@) {
619	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
620	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
621	}	886	}
622		887
623	=back	888	=back
624		889
625	=cut	890	=cut
626		891
627	#############################################################################	892	#############################################################################
628		893
629	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
630		895
631	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
632	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")
633	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
634		899
635	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>
636	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
637	Crossfire TRT).	902	Deliantra).
638		903
639	=over 4	904	=over 4
640		905
641	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
642		907
…		…
686	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
687		952
688	Register an attachment by C<$name> through which attachable objects of the	953	Register an attachment by C<$name> through which attachable objects of the
689	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
690		955
691	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
692	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.
693		958
694	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
695		960
696	=over 4	961	=over 4
…		…
820		1085
821	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
822	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
823		1088
824	} elsif (ref $type) {	1089	} elsif (ref $type) {
825	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
826		1091
827	} else {	1092	} else {
828	shift @arg;	1093	shift @arg;
829	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
830	}	1095	}
831	}	1096	}
832	}	1097	}
833		1098
834	sub _object_attach {	1099	sub _object_attach {
…		…
844	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
845	}	1110	}
846		1111
847	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
848	} else {	1113	} else {
849	warn "object uses attachment '$name' which is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
850	}	1115	}
851		1116
852	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
853	}	1118	}
854		1119
…		…
913		1178
914	for (@$callbacks) {	1179	for (@$callbacks) {
915	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
916		1181
917	if ($@) {	1182	if ($@) {
918	warn "$@";
919	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
920	override;	1184	override;
921	}	1185	}
922		1186
923	return 1 if $override;	1187	return 1 if $override;
924	}	1188	}
925		1189
926	0	1190	0
927	}	1191	}
928		1192
929	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
930		1194
931	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
932		1196
933	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
934		1198
…		…
940		1204
941	=cut	1205	=cut
942		1206
943	#############################################################################	1207	#############################################################################
944	# object support	1208	# object support
945	#
946		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 $SLOW_MERGES;#d#
947	sub _can_merge {	1243	sub _can_merge {
948	my ($ob1, $ob2) = @_;	1244	my ($ob1, $ob2) = @_;
949		1245
950	local $Storable::canonical = 1;	1246	++$SLOW_MERGES;#d#
951	my $fob1 = Storable::freeze $ob1;
952	my $fob2 = Storable::freeze $ob2;
953		1247
954	$fob1 eq $fob2	1248	# we do the slow way here
		1249	return _object_equal $ob1, $ob2
955	}	1250	}
956		1251
957	sub reattach {	1252	sub reattach {
958	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
959	my ($obj) = @_;	1254	my ($obj) = @_;
960		1255
		1256	# no longer needed after getting rid of delete_package?
961	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
962		1258
963	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
964		1260
965	@$registry = ();	1261	@$registry = ();
966		1262
…		…
971	for (@$attach) {	1267	for (@$attach) {
972	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
973	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
974	}	1270	}
975	} else {	1271	} else {
976	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
977	}	1273	}
978	}	1274	}
979	}	1275	}
980		1276
981	cf::attachable->attach (	1277	cf::attachable->attach (
982	prio => -1000000,	1278	prio => -1000000,
983	on_instantiate => sub {	1279	on_instantiate => sub {
984	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
985		1281
986	$data = from_json $data;	1282	$data = decode_json $data;
987		1283
988	for (@$data) {	1284	for (@$data) {
989	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
990		1286
991	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
1007	sub object_freezer_save {	1303	sub object_freezer_save {
1008	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
1009		1305
1010	sync_job {	1306	sync_job {
1011	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
1012	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
1013	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
1014		1312
1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1016	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1018	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	}
1019	close $fh;	1320	aio_close $fh;
1020		1321
1021	if (@$objs) {	1322	if (@$objs) {
1022	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) {
1023	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
1024	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1025	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
1026	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	}
1027	close $fh;	1331	aio_close $fh;
1028	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
1029	}	1333	}
1030	} else {	1334	} else {
1031	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
1032	}	1336	}
1033		1337
1034	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
1035	} else {	1342	} else {
1036	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
1037	}	1344	}
1038	} else {	1345	} else {
1039	aio_unlink $filename;	1346	aio_unlink $filename;
1040	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
1041	}	1348	}
1042	}	1349	};
1043	}	1350	}
1044		1351
1045	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
1046	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
1047		1354
…		…
1059	or return;	1366	or return;
1060		1367
1061	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
1062	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
1063	or return;	1370	or return;
		1371
1064	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
1065	}	1374	}
1066		1375
		1376	utf8::decode (my $decname = $filename);
1067	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
1068	$filename, length $data, scalar @{$av || []};	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
1069	return ($data, $av);	1381	($data, $av)
1070	}	1382	}
1071		1383
1072	=head2 COMMAND CALLBACKS	1384	=head2 COMMAND CALLBACKS
1073		1385
1074	=over 4	1386	=over 4
…		…
1128	my ($name, $cb) = @_;	1440	my ($name, $cb) = @_;
1129		1441
1130	$EXTICMD{$name} = $cb;	1442	$EXTICMD{$name} = $cb;
1131	}	1443	}
1132		1444
		1445	use File::Glob ();
		1446
1133	cf::player->attach (	1447	cf::player->attach (
1134	on_command => sub {	1448	on_unknown_command => sub {
1135	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
1136		1450
1137	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
1138	or return;	1452	or return;
1139		1453
…		…
1147	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
1148		1462
1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1150		1464
1151	if (ref $msg) {	1465	if (ref $msg) {
1152	my ($type, $reply, @payload) =	1466	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1153	"ARRAY" eq ref $msg
1154	? @$msg
1155	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1156		1467
1157	my @reply;	1468	my @reply;
1158		1469
1159	if (my $cb = $EXTCMD{$type}) {	1470	if (my $cb = $EXTCMD{$type}) {
1160	@reply = $cb->($pl, @payload);	1471	@reply = $cb->($pl, @payload);
…		…
1162		1473
1163	$pl->ext_reply ($reply, @reply)	1474	$pl->ext_reply ($reply, @reply)
1164	if $reply;	1475	if $reply;
1165		1476
1166	} else {	1477	} else {
1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1478	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1168	}	1479	}
1169		1480
1170	cf::override;	1481	cf::override;
1171	},	1482	},
1172	);	1483	);
1173		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
1174	sub load_extensions {	1498	sub load_extensions {
		1499	info "loading extensions...";
		1500
1175	cf::sync_job {	1501	cf::sync_job {
1176	my %todo;	1502	my %todo;
1177		1503
1178	for my $path (<$LIBDIR/*.ext>) {	1504	for my $path (<$LIBDIR/*.ext>) {
1179	next unless -r $path;	1505	next unless -r $path;
…		…
1197		1523
1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1524	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1525	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1200		1526
1201	$ext{source} =	1527	$ext{source} =
1202	"package $pkg; use strict; use utf8;\n"	1528	"package $pkg; use common::sense;\n"
1203	. "#line 1 \"$path\"\n{\n"	1529	. "#line 1 \"$path\"\n{\n"
1204	. $source	1530	. $source
1205	. "\n};\n1";	1531	. "\n};\n1";
1206		1532
1207	$todo{$base} = \%ext;	1533	$todo{$base} = \%ext;
1208	}	1534	}
1209		1535
		1536	my $pass = 0;
1210	my %done;	1537	my %done;
1211	while (%todo) {	1538	while (%todo) {
1212	my $progress;	1539	my $progress;
1213		1540
		1541	++$pass;
		1542
		1543	ext:
1214	while (my ($k, $v) = each %todo) {	1544	while (my ($k, $v) = each %todo) {
1215	for (split /,\s*/, $v->{meta}{depends}) {	1545	for (split /,\s*/, $v->{meta}{depends}) {
1216	goto skip	1546	next ext
1217	unless exists $done{$_};	1547	unless exists $done{$_};
1218	}	1548	}
1219		1549
1220	warn "... loading '$k' into '$v->{pkg}'\n";	1550	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1221		1551
1222	unless (eval $v->{source}) {	1552	my $active = eval $v->{source};
		1553
		1554	if (length $@) {
1223	my $msg = $@ ? "$v->{path}: $@\n"	1555	error "$v->{path}: $@\n";
1224	: "$v->{base}: extension inactive.\n";
1225		1556
		1557	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1226	if (exists $v->{meta}{mandatory}) {	1558	if exists $v->{meta}{mandatory};
1227	warn $msg;	1559
1228	warn "mandatory extension failed to load, exiting.\n";	1560	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1229	exit 1;	1561	delete $todo{$k};
1230	}	1562	} else {
1231		1563	$done{$k} = delete $todo{$k};
1232	warn $msg;	1564	push @EXTS, $v->{pkg};
		1565	$progress = 1;
		1566
		1567	info "$v->{base}: extension inactive.\n"
		1568	unless $active;
1233	}	1569	}
1234
1235	$done{$k} = delete $todo{$k};
1236	push @EXTS, $v->{pkg};
1237	$progress = 1;
1238	}	1570	}
1239		1571
1240	skip:	1572	unless ($progress) {
1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1573	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1242	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	}
1243	}	1582	}
1244	};	1583	};
1245	}	1584	}
1246		1585
1247	#############################################################################	1586	#############################################################################
1248		1587
1249	=back	1588	=back
1250		1589
1251	=head2 CORE EXTENSIONS	1590	=head2 CORE EXTENSIONS
1252		1591
1253	Functions and methods that extend core crossfire objects.	1592	Functions and methods that extend core deliantra objects.
1254		1593
1255	=cut	1594	=cut
1256		1595
1257	package cf::player;	1596	package cf::player;
1258		1597
1259	use Coro::AIO;	1598	use Coro::AIO;
1260		1599
1261	=head3 cf::player	1600	=head3 cf::player
1262		1601
1263	=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	}
1264		1617
1265	=item cf::player::find $login	1618	=item cf::player::find $login
1266		1619
1267	Returns the given player object, loading it if necessary (might block).	1620	Returns the given player object, loading it if necessary (might block).
1268		1621
…		…
1287		1640
1288	sub exists($) {	1641	sub exists($) {
1289	my ($login) = @_;	1642	my ($login) = @_;
1290		1643
1291	$cf::PLAYER{$login}	1644	$cf::PLAYER{$login}
1292	or cf::sync_job { !aio_stat path $login }	1645	or !aio_stat path $login
1293	}	1646	}
1294		1647
1295	sub find($) {	1648	sub find($) {
1296	return $cf::PLAYER{$_[0]} || do {	1649	return $cf::PLAYER{$_[0]} || do {
1297	my $login = $_[0];	1650	my $login = $_[0];
…		…
1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1657	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1658	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1659	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1307	aio_unlink +(playerdir $login) . "/$login.pl";	1660	aio_unlink +(playerdir $login) . "/$login.pl";
1308		1661
1309	my $pl = load_pl path $login	1662	my $f = new_from_file cf::object::thawer path $login
1310	or return;	1663	or return;
		1664
		1665	my $pl = cf::player::load_pl $f
		1666	or return;
		1667
		1668	local $cf::PLAYER_LOADING{$login} = $pl;
		1669	$f->resolve_delayed_derefs;
1311	$cf::PLAYER{$login} = $pl	1670	$cf::PLAYER{$login} = $pl
1312	}	1671	}
1313	}	1672	}
1314	}	1673	}
		1674
		1675	cf::player->attach (
		1676	on_load => sub {
		1677	my ($pl, $path) = @_;
		1678
		1679	# restore slots saved in save, below
		1680	my $slots = delete $pl->{_slots};
		1681
		1682	$pl->ob->current_weapon ($slots->[0]);
		1683	$pl->combat_ob ($slots->[1]);
		1684	$pl->ranged_ob ($slots->[2]);
		1685	},
		1686	);
1315		1687
1316	sub save($) {	1688	sub save($) {
1317	my ($pl) = @_;	1689	my ($pl) = @_;
1318		1690
1319	return if $pl->{deny_save};	1691	return if $pl->{deny_save};
…		…
1323		1695
1324	return if $pl->{deny_save};	1696	return if $pl->{deny_save};
1325		1697
1326	aio_mkdir playerdir $pl, 0770;	1698	aio_mkdir playerdir $pl, 0770;
1327	$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];
1328		1705
1329	$pl->save_pl ($path);	1706	$pl->save_pl ($path);
1330	cf::cede_to_tick;	1707	cf::cede_to_tick;
1331	}	1708	}
1332		1709
…		…
1364	my ($pl) = @_;	1741	my ($pl) = @_;
1365		1742
1366	my $name = $pl->ob->name;	1743	my $name = $pl->ob->name;
1367		1744
1368	$pl->{deny_save} = 1;	1745	$pl->{deny_save} = 1;
1369	$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
1370		1747
1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1748	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1372	$pl->deactivate;	1749	$pl->deactivate;
		1750
		1751	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1373	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1752	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1753	ext::highscore::check ($pl->ob);
		1754
1374	$pl->ns->destroy if $pl->ns;	1755	$pl->ns->destroy if $pl->ns;
1375		1756
1376	my $path = playerdir $pl;	1757	my $path = playerdir $pl;
1377	my $temp = "$path~$cf::RUNTIME~deleting~";	1758	my $temp = "$path~$cf::RUNTIME~deleting~";
1378	aio_rename $path, $temp;	1759	aio_rename $path, $temp;
…		…
1413	or return [];	1794	or return [];
1414		1795
1415	my @logins;	1796	my @logins;
1416		1797
1417	for my $login (@$dirs) {	1798	for my $login (@$dirs) {
		1799	my $path = path $login;
		1800
		1801	# a .pst is a dead give-away for a valid player
		1802	# if no pst file found, open and chekc for blocked users
		1803	if (aio_stat "$path.pst") {
1418	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1804	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1419	aio_read $fh, 0, 512, my $buf, 0 or next;	1805	aio_read $fh, 0, 512, my $buf, 0 or next;
1420	$buf !~ /^password -------------$/m or next; # official not-valid tag	1806	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1807	}
1421		1808
1422	utf8::decode $login;	1809	utf8::decode $login;
1423	push @logins, $login;	1810	push @logins, $login;
1424	}	1811	}
1425		1812
1426	\@logins	1813	\@logins
1427	}	1814	}
1428		1815
1429	=item $player->maps	1816	=item $player->maps
		1817
		1818	=item cf::player::maps $login
1430		1819
1431	Returns an arrayref of map paths that are private for this	1820	Returns an arrayref of map paths that are private for this
1432	player. May block.	1821	player. May block.
1433		1822
1434	=cut	1823	=cut
…		…
1452	}	1841	}
1453		1842
1454	\@paths	1843	\@paths
1455	}	1844	}
1456		1845
1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1846	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1458		1847
1459	Expand crossfire pod fragments into protocol xml.	1848	Expand deliantra pod fragments into protocol xml.
1460
1461	=cut
1462
1463	sub expand_cfpod {
1464	((my $self), (local $_)) = @_;
1465
1466	# escape & and <
1467	s/&/&amp;/g;
1468	s/(?<![BIUGHT])</&lt;/g;
1469
1470	# this is buggy, it needs to properly take care of nested <'s
1471
1472	1 while
1473	# replace B<>, I<>, U<> etc.
1474	s/B<([^\>]*)>/<b>$1<\/b>/
1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
1477	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1478	# replace G<male|female> tags
1479	|| s{G<([^>|]*)\|([^>]*)>}{
1480	$self->gender ? $2 : $1
1481	}ge
1482	# replace H<hint text>
1483	|| s{H<([^\>]*)>}
1484	{
1485	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1486	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1487	"")
1488	[$self->{hintmode}]
1489	}ge;
1490
1491	# create single paragraphs (very hackish)
1492	s/(?<=\S)\n(?=\w)/ /g;
1493
1494	# compress some whitespace
1495	s/\s+\n/\n/g; # ws line-ends
1496	s/\n\n+/\n/g; # double lines
1497	s/^\n+//; # beginning lines
1498	s/\n+$//; # ending lines
1499
1500	$_
1501	}
1502
1503	sub hintmode {
1504	$_[0]{hintmode} = $_[1] if @_ > 1;
1505	$_[0]{hintmode}
1506	}
1507		1849
1508	=item $player->ext_reply ($msgid, @msg)	1850	=item $player->ext_reply ($msgid, @msg)
1509		1851
1510	Sends an ext reply to the player.	1852	Sends an ext reply to the player.
1511		1853
…		…
1543		1885
1544	=cut	1886	=cut
1545		1887
1546	sub find_by_path($) {	1888	sub find_by_path($) {
1547	my ($path) = @_;	1889	my ($path) = @_;
		1890
		1891	$path =~ s/^~[^\/]*//; # skip ~login
1548		1892
1549	my ($match, $specificity);	1893	my ($match, $specificity);
1550		1894
1551	for my $region (list) {	1895	for my $region (list) {
1552	if ($region->{match} && $path =~ $region->{match}) {	1896	if ($region->{match} && $path =~ $region->{match}) {
…		…
1578	our $MAX_RESET = 3600;	1922	our $MAX_RESET = 3600;
1579	our $DEFAULT_RESET = 3000;	1923	our $DEFAULT_RESET = 3000;
1580		1924
1581	sub generate_random_map {	1925	sub generate_random_map {
1582	my ($self, $rmp) = @_;	1926	my ($self, $rmp) = @_;
1583	# mit "rum" bekleckern, nicht	1927
		1928	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1929
1584	$self->_create_random_map (	1930	$self->_create_random_map ($rmp);
1585	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1586	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1587	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1588	$rmp->{exit_on_final_map},
1589	$rmp->{xsize}, $rmp->{ysize},
1590	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1591	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1592	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1593	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1594	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1595	(cf::region::find $rmp->{region}), $rmp->{custom}
1596	)
1597	}	1931	}
1598		1932
1599	=item cf::map->register ($regex, $prio)	1933	=item cf::map->register ($regex, $prio)
1600		1934
1601	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
…		…
1606		1940
1607	sub register {	1941	sub register {
1608	my (undef, $regex, $prio) = @_;	1942	my (undef, $regex, $prio) = @_;
1609	my $pkg = caller;	1943	my $pkg = caller;
1610		1944
1611	no strict;
1612	push @{"$pkg\::ISA"}, __PACKAGE__;	1945	push @{"$pkg\::ISA"}, __PACKAGE__;
1613		1946
1614	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1947	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1615	}	1948	}
1616		1949
1617	# also paths starting with '/'	1950	# also paths starting with '/'
1618	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1951	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1619		1952
1620	sub thawer_merge {	1953	sub thawer_merge {
1621	my ($self, $merge) = @_;	1954	my ($self, $merge) = @_;
1622		1955
1623	# we have to keep some variables in memory intact	1956	# we have to keep some variables in memory intact
…		…
1628	}	1961	}
1629		1962
1630	sub normalise {	1963	sub normalise {
1631	my ($path, $base) = @_;	1964	my ($path, $base) = @_;
1632		1965
1633	$path = "$path"; # make sure its a string	1966	$path = "$path"; # make sure it's a string
1634		1967
1635	$path =~ s/\.map$//;	1968	$path =~ s/\.map$//;
1636		1969
1637	# map plan:	1970	# map plan:
1638	#	1971	#
…		…
1653	$base =~ s{[^/]+/?$}{};	1986	$base =~ s{[^/]+/?$}{};
1654	$path = "$base/$path";	1987	$path = "$base/$path";
1655	}	1988	}
1656		1989
1657	for ($path) {	1990	for ($path) {
1658	redo if s{//}{/};
1659	redo if s{/\.?/}{/};	1991	redo if s{/\.?/}{/};
1660	redo if s{/[^/]+/\.\./}{/};	1992	redo if s{/[^/]+/\.\./}{/};
1661	}	1993	}
1662		1994
1663	$path	1995	$path
…		…
1677	$self->init; # pass $1 etc.	2009	$self->init; # pass $1 etc.
1678	return $self;	2010	return $self;
1679	}	2011	}
1680	}	2012	}
1681		2013
1682	Carp::cluck "unable to resolve path '$path' (base '$base').";	2014	Carp::cluck "unable to resolve path '$path' (base '$base')";
1683	()	2015	()
1684	}	2016	}
1685		2017
		2018	# may re-bless or do other evil things
1686	sub init {	2019	sub init {
1687	my ($self) = @_;	2020	my ($self) = @_;
1688		2021
1689	$self	2022	$self
1690	}	2023	}
…		…
1709		2042
1710	# the temporary/swap location	2043	# the temporary/swap location
1711	sub save_path {	2044	sub save_path {
1712	my ($self) = @_;	2045	my ($self) = @_;
1713		2046
1714	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2047	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1715	"$TMPDIR/$path.map"	2048	"$TMPDIR/$path.map"
1716	}	2049	}
1717		2050
1718	# the unique path, undef == no special unique path	2051	# the unique path, undef == no special unique path
1719	sub uniq_path {	2052	sub uniq_path {
1720	my ($self) = @_;	2053	my ($self) = @_;
1721		2054
1722	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2055	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1723	"$UNIQUEDIR/$path"	2056	"$UNIQUEDIR/$path"
1724	}
1725
1726	# and all this just because we cannot iterate over
1727	# all maps in C++...
1728	sub change_all_map_light {
1729	my ($change) = @_;
1730
1731	$_->change_map_light ($change)
1732	for grep $_->outdoor, values %cf::MAP;
1733	}	2057	}
1734		2058
1735	sub decay_objects {	2059	sub decay_objects {
1736	my ($self) = @_;	2060	my ($self) = @_;
1737		2061
…		…
1750		2074
1751	sub load_header_from($) {	2075	sub load_header_from($) {
1752	my ($self, $path) = @_;	2076	my ($self, $path) = @_;
1753		2077
1754	utf8::encode $path;	2078	utf8::encode $path;
1755	#aio_open $path, O_RDONLY, 0	2079	my $f = new_from_file cf::object::thawer $path
1756	# or return;
1757
1758	$self->_load_header ($path)
1759	or return;	2080	or return;
1760		2081
		2082	$self->_load_header ($f)
		2083	or return;
		2084
		2085	local $MAP_LOADING{$self->{path}} = $self;
		2086	$f->resolve_delayed_derefs;
		2087
1761	$self->{load_path} = $path;	2088	$self->{load_path} = $path;
1762		2089
1763	1	2090	1
1764	}	2091	}
1765		2092
		2093	# used to laod the header of an original map
1766	sub load_header_orig {	2094	sub load_header_orig {
1767	my ($self) = @_;	2095	my ($self) = @_;
1768		2096
1769	$self->load_header_from ($self->load_path)	2097	$self->load_header_from ($self->load_path)
1770	}	2098	}
1771		2099
		2100	# used to laod the header of an instantiated map
1772	sub load_header_temp {	2101	sub load_header_temp {
1773	my ($self) = @_;	2102	my ($self) = @_;
1774		2103
1775	$self->load_header_from ($self->save_path)	2104	$self->load_header_from ($self->save_path)
1776	}	2105	}
1777		2106
		2107	# called after loading the header from an instantiated map
1778	sub prepare_temp {	2108	sub prepare_temp {
1779	my ($self) = @_;	2109	my ($self) = @_;
1780		2110
1781	$self->last_access ((delete $self->{last_access})	2111	$self->last_access ((delete $self->{last_access})
1782	|| $cf::RUNTIME); #d#	2112	|| $cf::RUNTIME); #d#
1783	# safety	2113	# safety
1784	$self->{instantiate_time} = $cf::RUNTIME	2114	$self->{instantiate_time} = $cf::RUNTIME
1785	if $self->{instantiate_time} > $cf::RUNTIME;	2115	if $self->{instantiate_time} > $cf::RUNTIME;
1786	}	2116	}
1787		2117
		2118	# called after loading the header from an original map
1788	sub prepare_orig {	2119	sub prepare_orig {
1789	my ($self) = @_;	2120	my ($self) = @_;
1790		2121
1791	$self->{load_original} = 1;	2122	$self->{load_original} = 1;
1792	$self->{instantiate_time} = $cf::RUNTIME;	2123	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1816		2147
1817	sub find;	2148	sub find;
1818	sub find {	2149	sub find {
1819	my ($path, $origin) = @_;	2150	my ($path, $origin) = @_;
1820		2151
		2152	cf::cede_to_tick;
		2153
1821	$path = normalise $path, $origin && $origin->path;	2154	$path = normalise $path, $origin;
1822		2155
		2156	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1823	cf::lock_wait "map_find:$path";	2157	my $guard2 = cf::lock_acquire "map_find:$path";
1824		2158
1825	$cf::MAP{$path} || do {	2159	$cf::MAP{$path} || do {
1826	my $guard = cf::lock_acquire "map_find:$path";
1827	my $map = new_from_path cf::map $path	2160	my $map = new_from_path cf::map $path
1828	or return;	2161	or return;
1829		2162
1830	$map->{last_save} = $cf::RUNTIME;	2163	$map->{last_save} = $cf::RUNTIME;
1831		2164
…		…
1833	or return;	2166	or return;
1834		2167
1835	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2168	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1836	# doing this can freeze the server in a sync job, obviously	2169	# doing this can freeze the server in a sync job, obviously
1837	#$cf::WAIT_FOR_TICK->wait;	2170	#$cf::WAIT_FOR_TICK->wait;
		2171	undef $guard2;
		2172	undef $guard1;
1838	$map->reset;	2173	$map->reset;
1839	undef $guard;
1840	return find $path;	2174	return find $path;
1841	}	2175	}
1842		2176
1843	$cf::MAP{$path} = $map	2177	$cf::MAP{$path} = $map
1844	}	2178	}
1845	}	2179	}
1846		2180
1847	sub pre_load { }	2181	sub pre_load { }
1848	sub post_load { }	2182	#sub post_load { } # XS
1849		2183
1850	sub load {	2184	sub load {
1851	my ($self) = @_;	2185	my ($self) = @_;
1852		2186
1853	local $self->{deny_reset} = 1; # loading can take a long time	2187	local $self->{deny_reset} = 1; # loading can take a long time
1854		2188
1855	my $path = $self->{path};	2189	my $path = $self->{path};
1856		2190
1857	{	2191	{
1858	my $guard1 = cf::lock_acquire "map_data:$path";	2192	my $guard = cf::lock_acquire "map_data:$path";
1859	my $guard2 = cf::lock_acquire "map_load:$path";
1860		2193
		2194	return unless $self->valid;
1861	return if $self->in_memory != cf::MAP_SWAPPED;	2195	return unless $self->state == cf::MAP_SWAPPED;
1862
1863	$self->in_memory (cf::MAP_LOADING);
1864		2196
1865	$self->alloc;	2197	$self->alloc;
1866		2198
1867	$self->pre_load;	2199	$self->pre_load;
1868	cf::cede_to_tick;	2200	cf::cede_to_tick;
1869		2201
1870	$self->_load_objects ($self->{load_path}, 1)	2202	if (exists $self->{load_path}) {
		2203	my $f = new_from_file cf::object::thawer $self->{load_path};
		2204	$f->skip_block;
		2205	$self->_load_objects ($f)
1871	or return;	2206	or return;
1872		2207
1873	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2208	$self->post_load_original
1874	if delete $self->{load_original};	2209	if delete $self->{load_original};
1875		2210
1876	if (my $uniq = $self->uniq_path) {	2211	if (my $uniq = $self->uniq_path) {
1877	utf8::encode $uniq;	2212	utf8::encode $uniq;
1878	if (aio_open $uniq, O_RDONLY, 0) {	2213	unless (aio_stat $uniq) {
		2214	if (my $f = new_from_file cf::object::thawer $uniq) {
1879	$self->clear_unique_items;	2215	$self->clear_unique_items;
1880	$self->_load_objects ($uniq, 0);	2216	$self->_load_objects ($f);
		2217	$f->resolve_delayed_derefs;
		2218	}
		2219	}
1881	}	2220	}
		2221
		2222	$f->resolve_delayed_derefs;
		2223	} else {
		2224	$self->post_load_original
		2225	if delete $self->{load_original};
1882	}	2226	}
		2227
		2228	$self->state (cf::MAP_INACTIVE);
1883		2229
1884	cf::cede_to_tick;	2230	cf::cede_to_tick;
1885	# now do the right thing for maps	2231	# now do the right thing for maps
1886	$self->link_multipart_objects;	2232	$self->link_multipart_objects;
1887	$self->difficulty ($self->estimate_difficulty)	2233	$self->difficulty ($self->estimate_difficulty)
…		…
1891	unless ($self->{deny_activate}) {	2237	unless ($self->{deny_activate}) {
1892	$self->decay_objects;	2238	$self->decay_objects;
1893	$self->fix_auto_apply;	2239	$self->fix_auto_apply;
1894	$self->update_buttons;	2240	$self->update_buttons;
1895	cf::cede_to_tick;	2241	cf::cede_to_tick;
1896	$self->set_darkness_map;	2242	#$self->activate; # no longer activate maps automatically
1897	cf::cede_to_tick;
1898	$self->activate;
1899	}	2243	}
1900		2244
1901	$self->{last_save} = $cf::RUNTIME;	2245	$self->{last_save} = $cf::RUNTIME;
1902	$self->last_access ($cf::RUNTIME);	2246	$self->last_access ($cf::RUNTIME);
1903
1904	$self->in_memory (cf::MAP_IN_MEMORY);
1905	}	2247	}
1906		2248
1907	$self->post_load;	2249	$self->post_load;
1908	}
1909		2250
		2251	1
		2252	}
		2253
		2254	# customize the map for a given player, i.e.
		2255	# return the _real_ map. used by e.g. per-player
		2256	# maps to change the path to ~playername/mappath
1910	sub customise_for {	2257	sub customise_for {
1911	my ($self, $ob) = @_;	2258	my ($self, $ob) = @_;
1912		2259
1913	return find "~" . $ob->name . "/" . $self->{path}	2260	return find "~" . $ob->name . "/" . $self->{path}
1914	if $self->per_player;	2261	if $self->per_player;
…		…
1917	# if $self->per_party;	2264	# if $self->per_party;
1918		2265
1919	$self	2266	$self
1920	}	2267	}
1921		2268
1922	# find and load all maps in the 3x3 area around a map
1923	sub load_neighbours {
1924	my ($map) = @_;
1925
1926	my @neigh; # diagonal neighbours
1927
1928	for (0 .. 3) {
1929	my $neigh = $map->tile_path ($_)
1930	or next;
1931	$neigh = find $neigh, $map
1932	or next;
1933	$neigh->load;
1934
1935	push @neigh,
1936	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1937	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1938	}
1939
1940	for (grep defined $_->[0], @neigh) {
1941	my ($path, $origin) = @$_;
1942	my $neigh = find $path, $origin
1943	or next;
1944	$neigh->load;
1945	}
1946	}
1947
1948	sub find_sync {	2269	sub find_sync {
1949	my ($path, $origin) = @_;	2270	my ($path, $origin) = @_;
1950		2271
1951	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, $origin
1952	}	2277	}
1953		2278
1954	sub do_load_sync {	2279	sub do_load_sync {
1955	my ($map) = @_;	2280	my ($map) = @_;
1956		2281
		2282	# it's a bug to call this from the main context
1957	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2283	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
1958	if $Coro::current == $Coro::main;	2284	if $Coro::current == $Coro::main;
1959		2285
1960	cf::sync_job { $map->load };	2286	$map->load;
1961	}	2287	}
1962		2288
1963	our %MAP_PREFETCH;	2289	our %MAP_PREFETCH;
1964	our $MAP_PREFETCHER = undef;	2290	our $MAP_PREFETCHER = undef;
1965		2291
1966	sub find_async {	2292	sub find_async {
1967	my ($path, $origin, $load) = @_;	2293	my ($path, $origin, $load) = @_;
1968		2294
1969	$path = normalise $path, $origin && $origin->{path};	2295	$path = normalise $path, $origin;
1970		2296
1971	if (my $map = $cf::MAP{$path}) {	2297	if (my $map = $cf::MAP{$path}) {
1972	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2298	return $map if !$load || $map->linkable;
1973	}	2299	}
1974		2300
1975	$MAP_PREFETCH{$path} |= $load;	2301	$MAP_PREFETCH{$path} |= $load;
1976		2302
1977	$MAP_PREFETCHER ||= cf::async {	2303	$MAP_PREFETCHER ||= cf::async {
		2304	$Coro::current->{desc} = "map prefetcher";
		2305
1978	while (%MAP_PREFETCH) {	2306	while (%MAP_PREFETCH) {
1979	while (my ($k, $v) = each %MAP_PREFETCH) {	2307	while (my ($k, $v) = each %MAP_PREFETCH) {
1980	if (my $map = find $k) {	2308	if (my $map = find $k) {
1981	$map->load if $v;	2309	$map->load if $v;
1982	}	2310	}
…		…
1989	$MAP_PREFETCHER->prio (6);	2317	$MAP_PREFETCHER->prio (6);
1990		2318
1991	()	2319	()
1992	}	2320	}
1993		2321
		2322	# common code, used by both ->save and ->swapout
1994	sub save {	2323	sub _save {
1995	my ($self) = @_;	2324	my ($self) = @_;
1996
1997	my $lock = cf::lock_acquire "map_data:$self->{path}";
1998		2325
1999	$self->{last_save} = $cf::RUNTIME;	2326	$self->{last_save} = $cf::RUNTIME;
2000		2327
2001	return unless $self->dirty;	2328	return unless $self->dirty;
2002		2329
…		…
2008	return if $self->{deny_save};	2335	return if $self->{deny_save};
2009		2336
2010	local $self->{last_access} = $self->last_access;#d#	2337	local $self->{last_access} = $self->last_access;#d#
2011		2338
2012	cf::async {	2339	cf::async {
		2340	$Coro::current->{desc} = "map player save";
2013	$_->contr->save for $self->players;	2341	$_->contr->save for $self->players;
2014	};	2342	};
		2343
		2344	cf::get_slot 0.02;
2015		2345
2016	if ($uniq) {	2346	if ($uniq) {
2017	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2347	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2018	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2348	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2019	} else {	2349	} else {
2020	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2021	}	2351	}
2022	}	2352	}
2023		2353
		2354	sub save {
		2355	my ($self) = @_;
		2356
		2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2358
		2359	$self->_save;
		2360	}
		2361
2024	sub swap_out {	2362	sub swap_out {
2025	my ($self) = @_;	2363	my ($self) = @_;
2026		2364
2027	# save first because save cedes
2028	$self->save;
2029
2030	my $lock = cf::lock_acquire "map_data:$self->{path}";	2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
2031		2366
		2367	return if !$self->linkable;
		2368	return if $self->{deny_save};
2032	return if $self->players;	2369	return if $self->players;
2033	return if $self->in_memory != cf::MAP_IN_MEMORY;
2034	return if $self->{deny_save};
2035		2370
		2371	# first deactivate the map and "unlink" it from the core
		2372	$self->deactivate;
		2373	$_->clear_links_to ($self) for values %cf::MAP;
		2374	$self->state (cf::MAP_SWAPPED);
		2375
		2376	# then atomically save
		2377	$self->_save;
		2378
		2379	# then free the map
2036	$self->clear;	2380	$self->clear;
2037	$self->in_memory (cf::MAP_SWAPPED);
2038	}	2381	}
2039		2382
2040	sub reset_at {	2383	sub reset_at {
2041	my ($self) = @_;	2384	my ($self) = @_;
2042		2385
…		…
2060		2403
2061	my $lock = cf::lock_acquire "map_data:$self->{path}";	2404	my $lock = cf::lock_acquire "map_data:$self->{path}";
2062		2405
2063	return if $self->players;	2406	return if $self->players;
2064		2407
2065	warn "resetting map ", $self->path;	2408	cf::trace "resetting map ", $self->path, "\n";
2066		2409
2067	$self->in_memory (cf::MAP_SWAPPED);	2410	$self->state (cf::MAP_SWAPPED);
2068		2411
2069	# need to save uniques path	2412	# need to save uniques path
2070	unless ($self->{deny_save}) {	2413	unless ($self->{deny_save}) {
2071	my $uniq = $self->uniq_path; utf8::encode $uniq;	2414	my $uniq = $self->uniq_path; utf8::encode $uniq;
2072		2415
…		…
2074	if $uniq;	2417	if $uniq;
2075	}	2418	}
2076		2419
2077	delete $cf::MAP{$self->path};	2420	delete $cf::MAP{$self->path};
2078		2421
		2422	$self->deactivate;
		2423	$_->clear_links_to ($self) for values %cf::MAP;
2079	$self->clear;	2424	$self->clear;
2080
2081	$_->clear_links_to ($self) for values %cf::MAP;
2082		2425
2083	$self->unlink_save;	2426	$self->unlink_save;
2084	$self->destroy;	2427	$self->destroy;
2085	}	2428	}
2086		2429
…		…
2094		2437
2095	delete $cf::MAP{$self->path};	2438	delete $cf::MAP{$self->path};
2096		2439
2097	$self->unlink_save;	2440	$self->unlink_save;
2098		2441
2099	bless $self, "cf::map";	2442	bless $self, "cf::map::wrap";
2100	delete $self->{deny_reset};	2443	delete $self->{deny_reset};
2101	$self->{deny_save} = 1;	2444	$self->{deny_save} = 1;
2102	$self->reset_timeout (1);	2445	$self->reset_timeout (1);
2103	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2446	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2104		2447
…		…
2153		2496
2154	sub unique_maps() {	2497	sub unique_maps() {
2155	[	2498	[
2156	map {	2499	map {
2157	utf8::decode $_;	2500	utf8::decode $_;
2158	/\.map$/	2501	s/\.map$//; # TODO future compatibility hack
		2502	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2503	? ()
2159	? normalise $_	2504	: normalise $_
2160	: ()
2161	} @{ aio_readdir $UNIQUEDIR or [] }	2505	} @{ aio_readdir $UNIQUEDIR or [] }
2162	]	2506	]
2163	}	2507	}
2164		2508
2165	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	}
2166		2540
2167	=back	2541	=back
2168		2542
2169	=head3 cf::object	2543	=head3 cf::object
2170		2544
…		…
2174		2548
2175	=over 4	2549	=over 4
2176		2550
2177	=item $ob->inv_recursive	2551	=item $ob->inv_recursive
2178		2552
2179	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.
2180		2555
2181	=cut	2556	=cut
2182		2557
2183	sub inv_recursive_;	2558	sub inv_recursive_;
2184	sub inv_recursive_ {	2559	sub inv_recursive_ {
…		…
2187		2562
2188	sub inv_recursive {	2563	sub inv_recursive {
2189	inv_recursive_ inv $_[0]	2564	inv_recursive_ inv $_[0]
2190	}	2565	}
2191		2566
		2567	=item $ref = $ob->ref
		2568
		2569	Creates and returns a persistent reference to an object that can be stored as a string.
		2570
		2571	=item $ob = cf::object::deref ($refstring)
		2572
		2573	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2574	even if the object actually exists. May block.
		2575
		2576	=cut
		2577
		2578	sub deref {
		2579	my ($ref) = @_;
		2580
		2581	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2582	my ($uuid, $name) = ($1, $2);
		2583	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2584	or return;
		2585	$pl->ob->uuid eq $uuid
		2586	or return;
		2587
		2588	$pl->ob
		2589	} else {
		2590	warn "$ref: cannot resolve object reference\n";
		2591	undef
		2592	}
		2593	}
		2594
2192	package cf;	2595	package cf;
2193		2596
2194	=back	2597	=back
2195		2598
2196	=head3 cf::object::player	2599	=head3 cf::object::player
…		…
2202	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2605	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2203	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
2204	dialogue with the given NPC character.	2607	dialogue with the given NPC character.
2205		2608
2206	=cut	2609	=cut
		2610
		2611	our $SAY_CHANNEL = {
		2612	id => "say",
		2613	title => "Map",
		2614	reply => "say ",
		2615	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2616	};
		2617
		2618	our $CHAT_CHANNEL = {
		2619	id => "chat",
		2620	title => "Chat",
		2621	reply => "chat ",
		2622	tooltip => "Player chat and shouts, global to the server.",
		2623	};
2207		2624
2208	# rough implementation of a future "reply" method that works	2625	# rough implementation of a future "reply" method that works
2209	# with dialog boxes.	2626	# with dialog boxes.
2210	#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
2211	sub cf::object::player::reply($$$;$) {	2628	sub cf::object::player::reply($$$;$) {
…		…
2223	my $dialog = $pl->{npc_dialog};	2640	my $dialog = $pl->{npc_dialog};
2224	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2641	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2225		2642
2226	} else {	2643	} else {
2227	$msg = $npc->name . " says: $msg" if $npc;	2644	$msg = $npc->name . " says: $msg" if $npc;
2228	$self->message ($msg, $flags);	2645	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2229	}	2646	}
2230	}	2647	}
2231	}	2648	}
2232		2649
2233	=item $object->send_msg ($channel, $msg, $color, [extra...])	2650	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2258		2675
2259	=item $player_object->enter_link	2676	=item $player_object->enter_link
2260		2677
2261	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}>).
2262		2679
2263	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.
2264	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.
2265		2684
2266	Will never block.	2685	Will never block.
2267		2686
2268	=item $player_object->leave_link ($map, $x, $y)	2687	=item $player_object->leave_link ($map, $x, $y)
2269		2688
…		…
2289	sub cf::object::player::enter_link {	2708	sub cf::object::player::enter_link {
2290	my ($self) = @_;	2709	my ($self) = @_;
2291		2710
2292	$self->deactivate_recursive;	2711	$self->deactivate_recursive;
2293		2712
		2713	++$self->{_link_recursion};
		2714
2294	return if UNIVERSAL::isa $self->map, "ext::map_link";	2715	return if UNIVERSAL::isa $self->map, "ext::map_link";
2295		2716
2296	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2297	if $self->map && $self->map->{path} ne "{link}";	2718	if $self->map && $self->map->{path} ne "{link}";
2298		2719
2299	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2720	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2300	}	2721	}
2301		2722
2302	sub cf::object::player::leave_link {	2723	sub cf::object::player::leave_link {
2303	my ($self, $map, $x, $y) = @_;	2724	my ($self, $map, $x, $y) = @_;
2304		2725
…		…
2321	($x, $y) = (-1, -1)	2742	($x, $y) = (-1, -1)
2322	unless (defined $x) && (defined $y);	2743	unless (defined $x) && (defined $y);
2323		2744
2324	# use -1 or undef as default coordinates, not 0, 0	2745	# use -1 or undef as default coordinates, not 0, 0
2325	($x, $y) = ($map->enter_x, $map->enter_y)	2746	($x, $y) = ($map->enter_x, $map->enter_y)
2326	if $x <=0 && $y <= 0;	2747	if $x <= 0 && $y <= 0;
2327		2748
2328	$map->load;	2749	$map->load;
2329	$map->load_neighbours;
2330		2750
2331	return unless $self->contr->active;	2751	return unless $self->contr->active;
2332	$self->activate_recursive;
2333		2752
2334	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2753	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2335	$self->enter_map ($map, $x, $y);	2754	if ($self->enter_map ($map, $x, $y)) {
2336	}	2755	# entering was successful
		2756	delete $self->{_link_recursion};
		2757	# only activate afterwards, to support waiting in hooks
		2758	$self->activate_recursive;
		2759	}
2337		2760
		2761	}
		2762
2338	=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)]])
2339		2764
2340	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
2341	her, loading and preparing them map, calling the provided $check callback	2766	her, loading and preparing them map, calling the provided $check callback
2342	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
2343	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
2344	be called at the end of this process.	2769	be called at the end of this process.
2345		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
2346	=cut	2774	=cut
2347		2775
2348	our $GOTOGEN;	2776	our $GOTOGEN;
2349		2777
2350	sub cf::object::player::goto {	2778	sub cf::object::player::goto {
2351	my ($self, $path, $x, $y, $check, $done) = @_;	2779	my ($self, $path, $x, $y, $check, $done) = @_;
2352		2780
		2781	if ($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
2353	# 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
2354	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2788	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2355		2789
2356	$self->enter_link;	2790	$self->enter_link;
2357		2791
2358	(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
2359	my $map = eval {	2814	my $map = eval {
2360	my $map = cf::map::find $path;	2815	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2361		2816
2362	if ($map) {	2817	if ($map) {
2363	$map = $map->customise_for ($self);	2818	$map = $map->customise_for ($self);
2364	$map = $check->($map) if $check && $map;	2819	$map = $check->($map, $x, $y, $self) if $check && $map;
2365	} else {	2820	} else {
2366	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2821	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2367	}	2822	}
2368		2823
2369	$map	2824	$map
2370	};	2825	};
2371		2826
…		…
2377	if ($gen == $self->{_goto_generation}) {	2832	if ($gen == $self->{_goto_generation}) {
2378	delete $self->{_goto_generation};	2833	delete $self->{_goto_generation};
2379	$self->leave_link ($map, $x, $y);	2834	$self->leave_link ($map, $x, $y);
2380	}	2835	}
2381		2836
2382	$done->() if $done;	2837	$done->($self) if $done;
2383	})->prio (1);	2838	})->prio (1);
2384	}	2839	}
2385		2840
2386	=item $player_object->enter_exit ($exit_object)	2841	=item $player_object->enter_exit ($exit_object)
2387		2842
…		…
2407	}	2862	}
2408		2863
2409	sub prepare_random_map {	2864	sub prepare_random_map {
2410	my ($exit) = @_;	2865	my ($exit) = @_;
2411		2866
2412	my $guard = cf::lock_acquire "exit_prepare:$exit";
2413
2414	# all this does is basically replace the /! path by	2867	# all this does is basically replace the /! path by
2415	# a new random map path (?random/...) with a seed	2868	# a new random map path (?random/...) with a seed
2416	# that depends on the exit object	2869	# that depends on the exit object
2417		2870
2418	my $rmp = parse_random_map_params $exit->msg;	2871	my $rmp = parse_random_map_params $exit->msg;
…		…
2420	if ($exit->map) {	2873	if ($exit->map) {
2421	$rmp->{region} = $exit->region->name;	2874	$rmp->{region} = $exit->region->name;
2422	$rmp->{origin_map} = $exit->map->path;	2875	$rmp->{origin_map} = $exit->map->path;
2423	$rmp->{origin_x} = $exit->x;	2876	$rmp->{origin_x} = $exit->x;
2424	$rmp->{origin_y} = $exit->y;	2877	$rmp->{origin_y} = $exit->y;
		2878
		2879	$exit->map->touch;
2425	}	2880	}
2426		2881
2427	$rmp->{random_seed} ||= $exit->random_seed;	2882	$rmp->{random_seed} ||= $exit->random_seed;
2428		2883
2429	my $data = cf::to_json $rmp;	2884	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2430	my $md5 = Digest::MD5::md5_hex $data;	2885	my $md5 = Digest::MD5::md5_hex $data;
2431	my $meta = "$RANDOMDIR/$md5.meta";	2886	my $meta = "$RANDOMDIR/$md5.meta";
2432		2887
2433	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2434	aio_write $fh, 0, (length $data), $data, 0;	2889	aio_write $fh, 0, (length $data), $data, 0;
2435	undef $fh;	2890	undef $fh;
2436	aio_rename "$meta~", $meta;	2891	aio_rename "$meta~", $meta;
2437		2892
		2893	my $slaying = "?random/$md5";
		2894
		2895	if ($exit->valid) {
2438	$exit->slaying ("?random/$md5");	2896	$exit->slaying ("?random/$md5");
2439	$exit->msg (undef);	2897	$exit->msg (undef);
		2898	}
2440	}	2899	}
2441	}	2900	}
2442		2901
2443	sub cf::object::player::enter_exit {	2902	sub cf::object::player::enter_exit {
2444	my ($self, $exit) = @_;	2903	my ($self, $exit) = @_;
2445		2904
2446	return unless $self->type == cf::PLAYER;	2905	return unless $self->type == cf::PLAYER;
2447		2906
2448	if ($exit->slaying eq "/!") {
2449	#TODO: this should de-fi-ni-te-ly not be a sync-job
2450	# the problem is that $exit might not survive long enough
2451	# so it needs to be done right now, right here
2452	cf::sync_job { prepare_random_map $exit };
2453	}
2454
2455	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2456	my $hp = $exit->stats->hp;
2457	my $sp = $exit->stats->sp;
2458
2459	$self->enter_link;	2907	$self->enter_link;
2460		2908
2461	# if exit is damned, update players death & WoR home-position
2462	$self->contr->savebed ($slaying, $hp, $sp)
2463	if $exit->flag (FLAG_DAMNED);
2464
2465	(async {	2909	(async {
2466	$self->deactivate_recursive; # just to be sure	2910	$Coro::current->{desc} = "enter_exit";
		2911
2467	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
2468	$self->goto ($slaying, $hp, $sp);	2942	$self->goto ($map, $x, $y);
2469		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
2470	1;	2948	1
2471	}) {	2949	}) {
2472	$self->message ("Something went wrong deep within the crossfire server. "	2950	$self->message ("Something went wrong deep within the deliantra server. "
2473	. "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. "
2474	. "Please report this to the dungeon master!",	2952	. "Please report this to the dungeon master!",
2475	cf::NDI_UNIQUE | cf::NDI_RED);	2953	cf::NDI_UNIQUE | cf::NDI_RED);
2476		2954
2477	warn "ERROR in enter_exit: $@";	2955	error "ERROR in enter_exit: $@";
2478	$self->leave_link;	2956	$self->leave_link;
2479	}	2957	}
2480	})->prio (1);	2958	})->prio (1);
2481	}	2959	}
2482		2960
…		…
2494	sub cf::client::send_drawinfo {	2972	sub cf::client::send_drawinfo {
2495	my ($self, $text, $flags) = @_;	2973	my ($self, $text, $flags) = @_;
2496		2974
2497	utf8::encode $text;	2975	utf8::encode $text;
2498	$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);
2499	}	3002	}
2500		3003
2501	=item $client->send_msg ($channel, $msg, $color, [extra...])	3004	=item $client->send_msg ($channel, $msg, $color, [extra...])
2502		3005
2503	Send a drawinfo or msg packet to the client, formatting the msg for the	3006	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2505	the message, with C<log> being the default. If C<$color> is negative, suppress	3008	the message, with C<log> being the default. If C<$color> is negative, suppress
2506	the message unless the client supports the msg packet.	3009	the message unless the client supports the msg packet.
2507		3010
2508	=cut	3011	=cut
2509		3012
		3013	# non-persistent channels (usually the info channel)
2510	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	},
2511	"c/identify" => {	3021	"c/identify" => {
2512	id => "identify",	3022	id => "infobox",
2513	title => "Identify",	3023	title => "Identify",
2514	reply => undef,	3024	reply => undef,
2515	tooltip => "Items recently identified",	3025	tooltip => "Items recently identified",
2516	},	3026	},
2517	"c/examine" => {	3027	"c/examine" => {
2518	id => "examine",	3028	id => "infobox",
2519	title => "Examine",	3029	title => "Examine",
2520	reply => undef,	3030	reply => undef,
2521	tooltip => "Signs and other items you examined",	3031	tooltip => "Signs and other items you examined",
2522	},	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" => $CHAT_CHANNEL,
2523	);	3125	);
2524		3126
2525	sub cf::client::send_msg {	3127	sub cf::client::send_msg {
2526	my ($self, $channel, $msg, $color, @extra) = @_;	3128	my ($self, $channel, $msg, $color, @extra) = @_;
2527		3129
2528	$msg = $self->pl->expand_cfpod ($msg);	3130	$msg = $self->pl->expand_cfpod ($msg)
		3131	unless $color & cf::NDI_VERBATIM;
2529		3132
2530	$color &= cf::NDI_CLIENT_MASK; # just in case...	3133	$color &= cf::NDI_CLIENT_MASK; # just in case...
2531		3134
2532	# check predefined channels, for the benefit of C	3135	# check predefined channels, for the benefit of C
2533	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	3136	if ($CHANNEL{$channel}) {
		3137	$channel = $CHANNEL{$channel};
2534		3138
		3139	$self->ext_msg (channel_info => $channel);
		3140	$channel = $channel->{id};
		3141
2535	if (ref $channel) {	3142	} elsif (ref $channel) {
2536	# send meta info to client, if not yet sent	3143	# send meta info to client, if not yet sent
2537	unless (exists $self->{channel}{$channel->{id}}) {	3144	unless (exists $self->{channel}{$channel->{id}}) {
2538	$self->{channel}{$channel->{id}} = $channel;	3145	$self->{channel}{$channel->{id}} = $channel;
2539	$self->ext_msg (channel_info => $channel);	3146	$self->ext_msg (channel_info => $channel);
2540	}	3147	}
…		…
2542	$channel = $channel->{id};	3149	$channel = $channel->{id};
2543	}	3150	}
2544		3151
2545	return unless @extra || length $msg;	3152	return unless @extra || length $msg;
2546		3153
2547	if ($self->can_msg) {
2548	# default colour, mask it out	3154	# default colour, mask it out
2549	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3155	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2550	if $color & cf::NDI_DEF;	3156	if $color & cf::NDI_DEF;
2551		3157
2552	$self->send_packet ("msg " . $self->{json_coder}->encode (	3158	my $pkt = "msg "
		3159	. $self->{json_coder}->encode (
2553	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3160	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2554	} else {	3161	);
2555	if ($color >= 0) {
2556	# replace some tags by gcfclient-compatible ones
2557	for ($msg) {
2558	1 while
2559	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2560	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2561	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2562	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2563	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2564	}
2565		3162
2566	$color &= cf::NDI_COLOR_MASK;	3163	$self->send_big_packet ($pkt);
2567
2568	utf8::encode $msg;
2569
2570	if (0 && $msg =~ /\[/) {
2571	# COMMAND/INFO
2572	$self->send_packet ("drawextinfo $color 10 8 $msg")
2573	} else {
2574	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2575	$self->send_packet ("drawinfo $color $msg")
2576	}
2577	}
2578	}
2579	}	3164	}
2580		3165
2581	=item $client->ext_msg ($type, @msg)	3166	=item $client->ext_msg ($type, @msg)
2582		3167
2583	Sends an ext event to the client.	3168	Sends an ext event to the client.
…		…
2586		3171
2587	sub cf::client::ext_msg($$@) {	3172	sub cf::client::ext_msg($$@) {
2588	my ($self, $type, @msg) = @_;	3173	my ($self, $type, @msg) = @_;
2589		3174
2590	if ($self->extcmd == 2) {	3175	if ($self->extcmd == 2) {
2591	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3176	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2592	} elsif ($self->extcmd == 1) { # TODO: remove	3177	} elsif ($self->extcmd == 1) { # TODO: remove
2593	push @msg, msgtype => "event_$type";	3178	push @msg, msgtype => "event_$type";
2594	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2595	}	3180	}
2596	}	3181	}
2597		3182
2598	=item $client->ext_reply ($msgid, @msg)	3183	=item $client->ext_reply ($msgid, @msg)
2599		3184
…		…
2602	=cut	3187	=cut
2603		3188
2604	sub cf::client::ext_reply($$@) {	3189	sub cf::client::ext_reply($$@) {
2605	my ($self, $id, @msg) = @_;	3190	my ($self, $id, @msg) = @_;
2606		3191
2607	if ($self->extcmd == 2) {	3192	return unless $self->extcmd == 2;
		3193
2608	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3194	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2609	} elsif ($self->extcmd == 1) {
2610	#TODO: version 1, remove
2611	unshift @msg, msgtype => "reply", msgid => $id;
2612	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2613	}
2614	}	3195	}
2615		3196
2616	=item $success = $client->query ($flags, "text", \&cb)	3197	=item $success = $client->query ($flags, "text", \&cb)
2617		3198
2618	Queues a query to the client, calling the given callback with	3199	Queues a query to the client, calling the given callback with
…		…
2673	my ($ns, $buf) = @_;	3254	my ($ns, $buf) = @_;
2674		3255
2675	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3256	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2676		3257
2677	if (ref $msg) {	3258	if (ref $msg) {
2678	my ($type, $reply, @payload) =	3259	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2679	"ARRAY" eq ref $msg
2680	? @$msg
2681	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2682		3260
2683	my @reply;	3261	my @reply;
2684		3262
2685	if (my $cb = $EXTICMD{$type}) {	3263	if (my $cb = $EXTICMD{$type}) {
2686	@reply = $cb->($ns, @payload);	3264	@reply = $cb->($ns, @payload);
…		…
2688		3266
2689	$ns->ext_reply ($reply, @reply)	3267	$ns->ext_reply ($reply, @reply)
2690	if $reply;	3268	if $reply;
2691		3269
2692	} else {	3270	} else {
2693	warn "client " . ($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";
2694	}	3272	}
2695		3273
2696	cf::override;	3274	cf::override;
2697	},	3275	},
2698	);	3276	);
…		…
2718		3296
2719	$coro	3297	$coro
2720	}	3298	}
2721		3299
2722	cf::client->attach (	3300	cf::client->attach (
2723	on_destroy => sub {	3301	on_client_destroy => sub {
2724	my ($ns) = @_;	3302	my ($ns) = @_;
2725		3303
2726	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3304	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2727	},	3305	},
2728	);	3306	);
…		…
2744	our $safe_hole = new Safe::Hole;	3322	our $safe_hole = new Safe::Hole;
2745		3323
2746	$SIG{FPE} = 'IGNORE';	3324	$SIG{FPE} = 'IGNORE';
2747		3325
2748	$safe->permit_only (Opcode::opset qw(	3326	$safe->permit_only (Opcode::opset qw(
2749	:base_core :base_mem :base_orig :base_math	3327	:base_core :base_mem :base_orig :base_math :base_loop
2750	grepstart grepwhile mapstart mapwhile	3328	grepstart grepwhile mapstart mapwhile
2751	sort time	3329	sort time
2752	));	3330	));
2753		3331
2754	# here we export the classes and methods available to script code	3332	# here we export the classes and methods available to script code
…		…
2756	=pod	3334	=pod
2757		3335
2758	The following functions and methods are available within a safe environment:	3336	The following functions and methods are available within a safe environment:
2759		3337
2760	cf::object	3338	cf::object
2761	contr pay_amount pay_player map x y force_find force_add	3339	contr pay_amount pay_player map x y force_find force_add destroy
2762	insert remove name archname title slaying race decrease_ob_nr	3340	insert remove name archname title slaying race decrease split
		3341	value
2763		3342
2764	cf::object::player	3343	cf::object::player
2765	player	3344	player
2766		3345
2767	cf::player	3346	cf::player
…		…
2772		3351
2773	=cut	3352	=cut
2774		3353
2775	for (	3354	for (
2776	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3355	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2777	insert remove inv name archname title slaying race	3356	insert remove inv nrof name archname title slaying race
2778	decrease_ob_nr)],	3357	decrease split destroy change_exp value msg lore send_msg)],
2779	["cf::object::player" => qw(player)],	3358	["cf::object::player" => qw(player)],
2780	["cf::player" => qw(peaceful)],	3359	["cf::player" => qw(peaceful send_msg)],
2781	["cf::map" => qw(trigger)],	3360	["cf::map" => qw(trigger)],
2782	) {	3361	) {
2783	no strict 'refs';
2784	my ($pkg, @funs) = @$_;	3362	my ($pkg, @funs) = @$_;
2785	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3363	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2786	for @funs;	3364	for @funs;
2787	}	3365	}
2788		3366
…		…
2803		3381
2804	my $qcode = $code;	3382	my $qcode = $code;
2805	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3383	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2806	$qcode =~ s/\n/\\n/g;	3384	$qcode =~ s/\n/\\n/g;
2807		3385
		3386	%vars = (_dummy => 0) unless %vars;
		3387
		3388	my @res;
2808	local $_;	3389	local $_;
2809	local @safe::cf::_safe_eval_args = values %vars;
2810		3390
2811	my $eval =	3391	my $eval =
2812	"do {\n"	3392	"do {\n"
2813	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3393	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2814	. "#line 0 \"{$qcode}\"\n"	3394	. "#line 0 \"{$qcode}\"\n"
2815	. $code	3395	. $code
2816	. "\n}"	3396	. "\n}"
2817	;	3397	;
2818		3398
		3399	if ($CFG{safe_eval}) {
2819	sub_generation_inc;	3400	sub_generation_inc;
		3401	local @safe::cf::_safe_eval_args = values %vars;
2820	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3402	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2821	sub_generation_inc;	3403	sub_generation_inc;
		3404	} else {
		3405	local @cf::_safe_eval_args = values %vars;
		3406	@res = wantarray ? eval eval : scalar eval $eval;
		3407	}
2822		3408
2823	if ($@) {	3409	if ($@) {
2824	warn "$@";	3410	warn "$@",
2825	warn "while executing safe code '$code'\n";	3411	"while executing safe code '$code'\n",
2826	warn "with arguments " . (join " ", %vars) . "\n";	3412	"with arguments " . (join " ", %vars) . "\n";
2827	}	3413	}
2828		3414
2829	wantarray ? @res : $res[0]	3415	wantarray ? @res : $res[0]
2830	}	3416	}
2831		3417
…		…
2845	=cut	3431	=cut
2846		3432
2847	sub register_script_function {	3433	sub register_script_function {
2848	my ($fun, $cb) = @_;	3434	my ($fun, $cb) = @_;
2849		3435
2850	no strict 'refs';	3436	$fun = "safe::$fun" if $CFG{safe_eval};
2851	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3437	*$fun = $safe_hole->wrap ($cb);
2852	}	3438	}
2853		3439
2854	=back	3440	=back
2855		3441
2856	=cut	3442	=cut
…		…
2865	# for this (global event?)	3451	# for this (global event?)
2866	%ext::player_env::MUSIC_FACE_CACHE = ();	3452	%ext::player_env::MUSIC_FACE_CACHE = ();
2867		3453
2868	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3454	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2869		3455
2870	warn "loading facedata from $path\n";	3456	trace "loading facedata from $path\n";
2871		3457
2872	my $facedata;	3458	my $facedata = decode_storable load_file $path;
2873	0 < aio_load $path, $facedata
2874	or die "$path: $!";
2875
2876	$facedata = Coro::Storable::thaw $facedata;
2877		3459
2878	$facedata->{version} == 2	3460	$facedata->{version} == 2
2879	or cf::cleanup "$path: version mismatch, cannot proceed.";	3461	or cf::cleanup "$path: version mismatch, cannot proceed.";
2880		3462
2881	# 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]);
2882	$facedata->{resource}{"res/exp_table"} = {	3465	$facedata->{resource}{"res/exp_table"} = {
2883	type => FT_RSRC,	3466	type => FT_RSRC,
2884	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),
2885	};	3469	};
2886	cf::cede_to_tick;	3470	cf::cede_to_tick;
2887		3471
2888	{	3472	{
2889	my $faces = $facedata->{faceinfo};	3473	my $faces = $facedata->{faceinfo};
2890		3474
2891	while (my ($face, $info) = each %$faces) {	3475	while (my ($face, $info) = each %$faces) {
2892	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3476	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3477
2893	cf::face::set_visibility $idx, $info->{visibility};	3478	cf::face::set_visibility $idx, $info->{visibility};
2894	cf::face::set_magicmap $idx, $info->{magicmap};	3479	cf::face::set_magicmap $idx, $info->{magicmap};
2895	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3480	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2896	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} , $info->{glyph} ;
2897		3483
2898	cf::cede_to_tick;	3484	cf::cede_to_tick;
2899	}	3485	}
2900		3486
2901	while (my ($face, $info) = each %$faces) {	3487	while (my ($face, $info) = each %$faces) {
2902	next unless $info->{smooth};	3488	next unless $info->{smooth};
		3489
2903	my $idx = cf::face::find $face	3490	my $idx = cf::face::find $face
2904	or next;	3491	or next;
		3492
2905	if (my $smooth = cf::face::find $info->{smooth}) {	3493	if (my $smooth = cf::face::find $info->{smooth}) {
2906	cf::face::set_smooth $idx, $smooth;	3494	cf::face::set_smooth $idx, $smooth;
2907	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3495	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2908	} else {	3496	} else {
2909	warn "smooth face '$info->{smooth}' not found for face '$face'";	3497	error "smooth face '$info->{smooth}' not found for face '$face'";
2910	}	3498	}
2911		3499
2912	cf::cede_to_tick;	3500	cf::cede_to_tick;
2913	}	3501	}
2914	}	3502	}
…		…
2923		3511
2924	cf::anim::invalidate_all; # d'oh	3512	cf::anim::invalidate_all; # d'oh
2925	}	3513	}
2926		3514
2927	{	3515	{
2928	# TODO: for gcfclient pleasure, we should give resources
2929	# that gcfclient doesn't grok a >10000 face index.
2930	my $res = $facedata->{resource};	3516	my $res = $facedata->{resource};
2931		3517
2932	my $soundconf = delete $res->{"res/sound.conf"};
2933
2934	while (my ($name, $info) = each %$res) {	3518	while (my ($name, $info) = each %$res) {
		3519	if (defined (my $type = $info->{type})) {
		3520	# TODO: different hash - must free and use new index, or cache ixface data queue
2935	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3521	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2936	my $data;
2937		3522
2938	if ($info->{type} & 1) {	3523	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2939	# prepend meta info	3524	cf::face::set_type $idx, $type;
2940		3525	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # any keys left are stashed into meta unless prepended
2941	my $meta = $enc->encode ({
2942	name => $name,
2943	%{ $info->{meta} || {} },
2944	});
2945
2946	$data = pack "(w/a*)*", $meta, $info->{data};
2947	} else {	3526	} else {
2948	$data = $info->{data};	3527	# $RESOURCE{$name} = $info; # unused
2949	}	3528	}
2950		3529
2951	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2952	cf::face::set_type $idx, $info->{type};
2953
2954	cf::cede_to_tick;	3530	cf::cede_to_tick;
2955	}	3531	}
2956
2957	if ($soundconf) {
2958	$soundconf = $enc->decode (delete $soundconf->{data});
2959
2960	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2961	my $sound = $soundconf->{compat}[$_]
2962	or next;
2963
2964	my $face = cf::face::find "sound/$sound->[1]";
2965	cf::sound::set $sound->[0] => $face;
2966	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2967	}
2968
2969	while (my ($k, $v) = each %{$soundconf->{event}}) {
2970	my $face = cf::face::find "sound/$v";
2971	cf::sound::set $k => $face;
2972	}
2973	}
2974	}	3532	}
		3533
		3534	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2975		3535
2976	1	3536	1
2977	}	3537	}
2978		3538
2979	register_exticmd fx_want => sub {	3539	register_exticmd fx_want => sub {
…		…
2981		3541
2982	while (my ($k, $v) = each %$want) {	3542	while (my ($k, $v) = each %$want) {
2983	$ns->fx_want ($k, $v);	3543	$ns->fx_want ($k, $v);
2984	}	3544	}
2985	};	3545	};
		3546
		3547	sub load_resource_file($) {
		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	$status
		3555	}
2986		3556
2987	sub reload_regions {	3557	sub reload_regions {
2988	# HACK to clear player env face cache, we need some signal framework	3558	# HACK to clear player env face cache, we need some signal framework
2989	# for this (global event?)	3559	# for this (global event?)
2990	%ext::player_env::MUSIC_FACE_CACHE = ();	3560	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3004	}	3574	}
3005		3575
3006	sub reload_archetypes {	3576	sub reload_archetypes {
3007	load_resource_file "$DATADIR/archetypes"	3577	load_resource_file "$DATADIR/archetypes"
3008	or die "unable to load archetypes\n";	3578	or die "unable to load archetypes\n";
3009	#d# NEED to laod twice to resolve forward references
3010	# this really needs to be done in an extra post-pass
3011	# (which needs to be synchronous, so solve it differently)
3012	load_resource_file "$DATADIR/archetypes"
3013	or die "unable to load archetypes\n";
3014	}	3579	}
3015		3580
3016	sub reload_treasures {	3581	sub reload_treasures {
3017	load_resource_file "$DATADIR/treasures"	3582	load_resource_file "$DATADIR/treasures"
3018	or die "unable to load treasurelists\n";	3583	or die "unable to load treasurelists\n";
3019	}	3584	}
3020		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
3021	sub reload_resources {	3606	sub reload_resources {
3022	warn "reloading resource files...\n";	3607	trace "reloading resource files...\n";
3023		3608
		3609	reload_exp_table;
		3610	reload_materials;
		3611	reload_facedata;
		3612	reload_sound;
		3613	reload_archetypes;
3024	reload_regions;	3614	reload_regions;
3025	reload_facedata;
3026	#reload_archetypes;#d#
3027	reload_archetypes;
3028	reload_treasures;	3615	reload_treasures;
3029		3616
3030	warn "finished reloading resource files\n";	3617	trace "finished reloading resource files\n";
3031	}
3032
3033	sub init {
3034	reload_resources;
3035	}	3618	}
3036		3619
3037	sub reload_config {	3620	sub reload_config {
3038	open my $fh, "<:utf8", "$CONFDIR/config"	3621	trace "reloading config file...\n";
3039	or return;
3040		3622
3041	local $/;	3623	my $config = load_file "$CONFDIR/config";
3042	*CFG = YAML::Syck::Load <$fh>;	3624	utf8::decode $config;
		3625	*CFG = decode_yaml $config;
3043		3626
3044	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3627	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3045		3628
3046	$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};
3047	$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};
3048		3631
3049	if (exists $CFG{mlockall}) {	3632	if (exists $CFG{mlockall}) {
…		…
3053	};	3636	};
3054	warn $@ if $@;	3637	warn $@ if $@;
3055	}	3638	}
3056	}	3639	}
3057		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
3058	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
3059	# we must not ever block the main coroutine	3679	# we must not ever block the main coroutine
3060	local $Coro::idle = sub {	3680	local $Coro::idle = sub {
3061	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#
3062	(async {	3682	(async {
3063	Event::one_event;	3683	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3684	EV::loop EV::LOOP_ONESHOT;
3064	})->prio (Coro::PRIO_MAX);	3685	})->prio (Coro::PRIO_MAX);
3065	};	3686	};
3066		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;
3067	reload_config;	3700	reload_config;
3068	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
3069	load_extensions;	3711	load_extensions;
3070		3712
3071	$TICK_WATCHER->start;	3713	utime time, time, $RUNTIMEFILE;
3072	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;
3073	}	3730	}
3074		3731
3075	#############################################################################	3732	#############################################################################
3076	# initialisation and cleanup	3733	# initialisation and cleanup
3077		3734
3078	# install some emergency cleanup handlers	3735	# install some emergency cleanup handlers
3079	BEGIN {	3736	BEGIN {
		3737	our %SIGWATCHER = ();
3080	for my $signal (qw(INT HUP TERM)) {	3738	for my $signal (qw(INT HUP TERM)) {
3081	Event->signal (	3739	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3082	reentrant => 0,
3083	data => WF_AUTOCANCEL,
3084	signal => $signal,
3085	prio => 0,
3086	cb => sub {
3087	cf::cleanup "SIG$signal";	3740	cf::cleanup "SIG$signal";
3088	},
3089	);	3741	};
3090	}	3742	}
3091	}	3743	}
3092		3744
3093	sub write_runtime {	3745	sub write_runtime_sync {
3094	my $runtime = "$LOCALDIR/runtime";	3746	my $t0 = AE::time;
3095		3747
3096	# first touch the runtime file to show we are still running:	3748	# first touch the runtime file to show we are still running:
3097	# the fsync below can take a very very long time.	3749	# the fsync below can take a very very long time.
3098		3750
3099	IO::AIO::aio_utime $runtime, undef, undef;	3751	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3100		3752
3101	my $guard = cf::lock_acquire "write_runtime";	3753	my $guard = cf::lock_acquire "write_runtime";
3102		3754
3103	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3755	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3104	or return;	3756	or return;
3105		3757
3106	my $value = $cf::RUNTIME + 90 + 10;	3758	my $value = $cf::RUNTIME + 90 + 10;
3107	# 10 is the runtime save interval, for a monotonic clock	3759	# 10 is the runtime save interval, for a monotonic clock
3108	# 60 allows for the watchdog to kill the server.	3760	# 60 allows for the watchdog to kill the server.
…		…
3118	aio_utime $fh, undef, undef;	3770	aio_utime $fh, undef, undef;
3119		3771
3120	close $fh	3772	close $fh
3121	or return;	3773	or return;
3122		3774
3123	aio_rename "$runtime~", $runtime	3775	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3124	and return;	3776	and return;
3125		3777
3126	warn "runtime file written.\n";	3778	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3127		3779
3128	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 };
3129	}	3831	}
3130		3832
3131	sub emergency_save() {	3833	sub emergency_save() {
3132	my $freeze_guard = cf::freeze_mainloop;	3834	my $freeze_guard = cf::freeze_mainloop;
3133		3835
3134	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;
3135		3842
3136	cf::sync_job {	3843	cf::sync_job {
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
3137	# use a peculiar iteration method to avoid tripping on perl	3846	# use a peculiar iteration method to avoid tripping on perl
3138	# refcount bugs in for. also avoids problems with players	3847	# refcount bugs in for. also avoids problems with players
3139	# and maps saved/destroyed asynchronously.	3848	# and maps saved/destroyed asynchronously.
3140	warn "begin emergency player save\n";	3849	info "emergency_perl_save: begin player save\n";
3141	for my $login (keys %cf::PLAYER) {	3850	for my $login (keys %cf::PLAYER) {
3142	my $pl = $cf::PLAYER{$login} or next;	3851	my $pl = $cf::PLAYER{$login} or next;
3143	$pl->valid or next;	3852	$pl->valid or next;
		3853	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3144	$pl->save;	3854	$pl->save;
3145	}	3855	}
3146	warn "end emergency player save\n";	3856	info "emergency_perl_save: end player save\n";
3147		3857
3148	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";
3149	for my $path (keys %cf::MAP) {	3861	for my $path (keys %cf::MAP) {
3150	my $map = $cf::MAP{$path} or next;	3862	my $map = $cf::MAP{$path} or next;
3151	$map->valid or next;	3863	$map->valid or next;
3152	$map->save;	3864	$map->save;
3153	}	3865	}
3154	warn "end emergency map save\n";	3866	info "emergency_perl_save: end map save\n";
3155		3867
3156	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";
3157	BDB::db_env_txn_checkpoint $DB_ENV;	3871	BDB::db_env_txn_checkpoint $DB_ENV;
3158	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 $DB_ENV;
		3882
		3883	info "emergency_perl_save: starting sync\n";
		3884	IO::AIO::aio_sync sub {
		3885	info "emergency_perl_save: finished sync\n";
		3886	};
		3887
		3888	cf::write_runtime_sync; # external watchdog should not bark
		3889
		3890	trace "emergency_perl_save: flushing outstanding aio requests";
		3891	while (IO::AIO::nreqs || BDB::nreqs) {
		3892	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3893	}
		3894
		3895	cf::write_runtime_sync; # external watchdog should not bark
3159	};	3896	};
3160		3897
3161	warn "leave emergency perl save\n";	3898	info "emergency_perl_save: leave\n";
3162	}	3899	}
3163		3900
3164	sub post_cleanup {	3901	sub post_cleanup {
3165	my ($make_core) = @_;	3902	my ($make_core) = @_;
3166		3903
		3904	IO::AIO::flush;
		3905
3167	warn Carp::longmess "post_cleanup backtrace"	3906	error Carp::longmess "post_cleanup backtrace"
3168	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	}
3169	}	3936	}
3170		3937
3171	sub do_reload_perl() {	3938	sub do_reload_perl() {
3172	# can/must only be called in main	3939	# can/must only be called in main
3173	if ($Coro::current != $Coro::main) {	3940	unless (in_main) {
3174	warn "can only reload from main coroutine";	3941	error "can only reload from main coroutine";
3175	return;	3942	return;
3176	}	3943	}
3177		3944
3178	warn "reloading...";	3945	return if $RELOAD++;
3179		3946
3180	warn "entering sync_job";	3947	my $t1 = AE::time;
3181		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
3182	cf::sync_job {	3955	cf::sync_job {
3183	cf::write_runtime; # external watchdog should not bark
3184	cf::emergency_save;	3956	#cf::emergency_save;
3185	cf::write_runtime; # external watchdog should not bark
3186		3957
3187	warn "syncing database to disk";
3188	BDB::db_env_txn_checkpoint $DB_ENV;
3189
3190	# if anything goes wrong in here, we should simply crash as we already saved
3191
3192	warn "cancelling all WF_AUTOCANCEL watchers";
3193	for (Event::all_watchers) {
3194	$_->cancel if $_->data & WF_AUTOCANCEL;
3195	}
3196
3197	warn "flushing outstanding aio requests";
3198	for (;;) {
3199	BDB::flush;
3200	IO::AIO::flush;
3201	Coro::cede;
3202	last unless IO::AIO::nreqs || BDB::nreqs;
3203	warn "iterate...";
3204	}
3205
3206	++$RELOAD;
3207
3208	warn "cancelling all extension coros";	3958	trace "perl_reload: cancelling all extension coros";
3209	$_->cancel for values %EXT_CORO;	3959	$_->cancel for values %EXT_CORO;
3210	%EXT_CORO = ();	3960	%EXT_CORO = ();
3211		3961
3212	warn "removing commands";	3962	trace "perl_reload: removing commands";
3213	%COMMAND = ();	3963	%COMMAND = ();
3214		3964
3215	warn "removing ext/exti commands";	3965	trace "perl_reload: removing ext/exti commands";
3216	%EXTCMD = ();	3966	%EXTCMD = ();
3217	%EXTICMD = ();	3967	%EXTICMD = ();
3218		3968
3219	warn "unloading/nuking all extensions";	3969	trace "perl_reload: unloading/nuking all extensions";
3220	for my $pkg (@EXTS) {	3970	for my $pkg (@EXTS) {
3221	warn "... unloading $pkg";	3971	trace "... unloading $pkg";
3222		3972
3223	if (my $cb = $pkg->can ("unload")) {	3973	if (my $cb = $pkg->can ("unload")) {
3224	eval {	3974	eval {
3225	$cb->($pkg);	3975	$cb->($pkg);
3226	1	3976	1
3227	} 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;
3228	}	3982	}
3229		3983
3230	warn "... nuking $pkg";
3231	Symbol::delete_package $pkg;
3232	}
3233
3234	warn "unloading all perl modules loaded from $LIBDIR";	3984	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3235	while (my ($k, $v) = each %INC) {	3985	while (my ($k, $v) = each %INC) {
3236	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3986	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3237		3987
3238	warn "... unloading $k";	3988	trace "... unloading $k";
3239	delete $INC{$k};	3989	delete $INC{$k};
3240		3990
3241	$k =~ s/\.pm$//;	3991	$k =~ s/\.pm$//;
3242	$k =~ s/\//::/g;	3992	$k =~ s/\//::/g;
3243		3993
3244	if (my $cb = $k->can ("unload_module")) {	3994	if (my $cb = $k->can ("unload_module")) {
3245	$cb->();	3995	$cb->();
		3996	}
		3997
		3998	clear_package $k;
3246	}	3999	}
3247		4000
3248	Symbol::delete_package $k;
3249	}
3250
3251	warn "getting rid of safe::, as good as possible";	4001	trace "perl_reload: getting rid of safe::, as good as possible";
3252	Symbol::delete_package "safe::$_"	4002	clear_package "safe::$_"
3253	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);
3254		4004
3255	warn "unloading cf.pm \"a bit\"";	4005	trace "perl_reload: unloading cf.pm \"a bit\"";
3256	delete $INC{"cf.pm"};	4006	delete $INC{"cf.pm"};
3257	delete $INC{"cf/pod.pm"};	4007	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3258		4008
3259	# don't, removes xs symbols, too,	4009	# don't, removes xs symbols, too,
3260	# and global variables created in xs	4010	# and global variables created in xs
3261	#Symbol::delete_package __PACKAGE__;	4011	#clear_package __PACKAGE__;
3262		4012
3263	warn "unload completed, starting to reload now";	4013	info "perl_reload: unload completed, starting to reload now";
3264		4014
3265	warn "reloading cf.pm";	4015	trace "perl_reload: reloading cf.pm";
3266	require cf;	4016	require cf;
3267	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4017	cf::_connect_to_perl_1;
3268		4018
3269	warn "loading config and database again";	4019	trace "perl_reload: loading config and database again";
3270	cf::reload_config;	4020	cf::reload_config;
3271		4021
3272	warn "loading extensions";	4022	trace "perl_reload: loading extensions";
3273	cf::load_extensions;	4023	cf::load_extensions;
3274		4024
		4025	if ($REATTACH_ON_RELOAD) {
3275	warn "reattaching attachments to objects/players";	4026	trace "perl_reload: reattaching attachments to objects/players";
3276	_global_reattach; # objects, sockets	4027	_global_reattach; # objects, sockets
3277	warn "reattaching attachments to maps";	4028	trace "perl_reload: reattaching attachments to maps";
3278	reattach $_ for values %MAP;	4029	reattach $_ for values %MAP;
3279	warn "reattaching attachments to players";	4030	trace "perl_reload: reattaching attachments to players";
3280	reattach $_ for values %PLAYER;	4031	reattach $_ for values %PLAYER;
		4032	}
3281		4033
3282	warn "leaving sync_job";	4034	cf::_post_init 1;
3283		4035
		4036	trace "perl_reload: leaving sync_job";
		4037
3284	1	4038	1
3285	} or do {	4039	} or do {
3286	warn $@;	4040	error $@;
3287	warn "error while reloading, exiting.";	4041	cf::cleanup "perl_reload: error, exiting.";
3288	exit 1;	4042	};
		4043
		4044	--$RELOAD;
3289	};	4045	}
3290		4046
3291	warn "reloaded";	4047	$t1 = AE::time - $t1;
		4048	info "perl_reload: completed in ${t1}s\n";
3292	};	4049	};
3293		4050
3294	our $RELOAD_WATCHER; # used only during reload	4051	our $RELOAD_WATCHER; # used only during reload
3295		4052
3296	sub reload_perl() {	4053	sub reload_perl() {
3297	# doing reload synchronously and two reloads happen back-to-back,	4054	# doing reload synchronously and two reloads happen back-to-back,
3298	# coro crashes during coro_state_free->destroy here.	4055	# coro crashes during coro_state_free->destroy here.
3299		4056
3300	$RELOAD_WATCHER ||= Event->timer (	4057	$RELOAD_WATCHER ||= cf::async {
3301	reentrant => 0,	4058	Coro::AIO::aio_wait cache_extensions;
3302	after => 0,	4059
3303	data => WF_AUTOCANCEL,	4060	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3304	cb => sub {
3305	do_reload_perl;	4061	do_reload_perl;
3306	undef $RELOAD_WATCHER;	4062	undef $RELOAD_WATCHER;
3307	},	4063	};
3308	);	4064	};
3309	}	4065	}
3310		4066
3311	register_command "reload" => sub {	4067	register_command "reload" => sub {
3312	my ($who, $arg) = @_;	4068	my ($who, $arg) = @_;
3313		4069
3314	if ($who->flag (FLAG_WIZ)) {	4070	if ($who->flag (FLAG_WIZ)) {
3315	$who->message ("reloading server.");	4071	$who->message ("reloading server.");
		4072	async {
		4073	$Coro::current->{desc} = "perl_reload";
3316	async { reload_perl };	4074	reload_perl;
		4075	};
3317	}	4076	}
3318	};	4077	};
3319		4078
3320	unshift @INC, $LIBDIR;	4079	#############################################################################
3321		4080
3322	my $bug_warning = 0;	4081	my $bug_warning = 0;
3323		4082
3324	our @WAIT_FOR_TICK;
3325	our @WAIT_FOR_TICK_BEGIN;
3326
3327	sub wait_for_tick {	4083	sub wait_for_tick() {
3328	return unless $TICK_WATCHER->is_active;	4084	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3329	return if $Coro::current == $Coro::main;
3330		4085
3331	my $signal = new Coro::Signal;	4086	$WAIT_FOR_TICK->wait;
3332	push @WAIT_FOR_TICK, $signal;
3333	$signal->wait;
3334	}	4087	}
3335		4088
3336	sub wait_for_tick_begin {	4089	sub wait_for_tick_begin() {
3337	return unless $TICK_WATCHER->is_active;	4090	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3338	return if $Coro::current == $Coro::main;
3339		4091
3340	my $signal = new Coro::Signal;	4092	my $signal = new Coro::Signal;
3341	push @WAIT_FOR_TICK_BEGIN, $signal;	4093	push @WAIT_FOR_TICK_BEGIN, $signal;
3342	$signal->wait;	4094	$signal->wait;
3343	}	4095	}
3344		4096
3345	my $min = 1e6;#d#	4097	sub tick {
3346	my $avg = 10;
3347	$TICK_WATCHER = Event->timer (
3348	reentrant => 0,
3349	parked => 1,
3350	prio => 0,
3351	at => $NEXT_TICK || $TICK,
3352	data => WF_AUTOCANCEL,
3353	cb => sub {
3354	if ($Coro::current != $Coro::main) {	4098	if ($Coro::current != $Coro::main) {
3355	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"
3356	unless ++$bug_warning > 10;	4100	unless ++$bug_warning > 10;
3357	return;	4101	return;
3358	}	4102	}
3359		4103
3360	$NOW = $tick_start = Event::time;	4104	cf::one_tick; # one server iteration
3361		4105
3362	cf::server_tick; # one server iteration	4106	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3363		4107
3364	0 && sync_job {#d#	4108	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3365	for(1..10) {	4109	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3366	my $t = Event::time;	4110	Coro::async_pool {
3367	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4111	$Coro::current->{desc} = "runtime saver";
3368	or die;	4112	write_runtime_sync
3369		4113	or error "ERROR: unable to write runtime file: $!";
3370	$map->width (50);
3371	$map->height (50);
3372	$map->alloc;
3373	$map->_load_objects ("/tmp/x.map", 1);
3374	my $t = Event::time - $t;
3375
3376	#next unless $t < 0.0013;#d#
3377	if ($t < $min) {
3378	$min = $t;
3379	}
3380	$avg = $avg * 0.99 + $t * 0.01;
3381	}
3382	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3383	exit 0;
3384	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3385	};	4114	};
		4115	}
3386		4116
3387	$RUNTIME += $TICK;
3388	$NEXT_TICK += $TICK;
3389
3390	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3391	$NEXT_RUNTIME_WRITE = $NOW + 10;
3392	Coro::async_pool {
3393	write_runtime
3394	or warn "ERROR: unable to write runtime file: $!";
3395	};
3396	}
3397
3398	# my $AFTER = Event::time;
3399	# warn $AFTER - $NOW;#d#
3400
3401	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4117	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3402	$sig->send;	4118	$sig->send;
3403	}	4119	}
3404	while (my $sig = shift @WAIT_FOR_TICK) {	4120	$WAIT_FOR_TICK->broadcast;
3405	$sig->send;
3406	}
3407		4121
3408	$NOW = Event::time;	4122	$LOAD = ($NOW - $TICK_START) / $TICK;
3409
3410	# if we are delayed by four ticks or more, skip them all
3411	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3412
3413	$TICK_WATCHER->at ($NEXT_TICK);
3414	$TICK_WATCHER->start;
3415
3416	$LOAD = ($NOW - $tick_start) / $TICK;
3417	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4123	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3418		4124
3419	_post_tick;	4125	if (0) {
3420		4126	if ($NEXT_TICK) {
3421		4127	my $jitter = $TICK_START - $NEXT_TICK;
		4128	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4129	debug "jitter $JITTER\n";#d#
		4130	}
3422	},	4131	}
3423	);	4132	}
3424		4133
3425	{	4134	{
3426	BDB::max_poll_time $TICK * 0.1;	4135	# configure BDB
3427	$BDB_POLL_WATCHER = Event->io (	4136
3428	reentrant => 0,
3429	fd => BDB::poll_fileno,
3430	poll => 'r',
3431	prio => 0,
3432	data => WF_AUTOCANCEL,
3433	cb => \&BDB::poll_cb,
3434	);
3435	BDB::min_parallel 8;	4137	BDB::min_parallel 16;
3436		4138	BDB::max_poll_reqs $TICK * 0.1;
3437	BDB::set_sync_prepare {	4139	#$AnyEvent::BDB::WATCHER->priority (1);
3438	my $status;
3439	my $current = $Coro::current;
3440	(
3441	sub {
3442	$status = $!;
3443	$current->ready; undef $current;
3444	},
3445	sub {
3446	Coro::schedule while defined $current;
3447	$! = $status;
3448	},
3449	)
3450	};
3451		4140
3452	unless ($DB_ENV) {	4141	unless ($DB_ENV) {
3453	$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);
3454		4148
3455	cf::sync_job {	4149	cf::sync_job {
3456	eval {	4150	eval {
3457	BDB::db_env_open	4151	BDB::db_env_open
3458	$DB_ENV,	4152	$DB_ENV,
…		…
3460	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
3461	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4155	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3462	0666;	4156	0666;
3463		4157
3464	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4158	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3465
3466	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3467	$DB_ENV->set_lk_detect;
3468	};	4159	};
3469		4160
3470	cf::cleanup "db_env_open(db): $@" if $@;	4161	cf::cleanup "db_env_open(db): $@" if $@;
3471	};	4162	};
3472	}	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	};
3473	}	4174	}
3474		4175
3475	{	4176	{
		4177	# configure IO::AIO
		4178
3476	IO::AIO::min_parallel 8;	4179	IO::AIO::min_parallel 8;
3477
3478	undef $Coro::AIO::WATCHER;
3479	IO::AIO::max_poll_time $TICK * 0.1;	4180	IO::AIO::max_poll_time $TICK * 0.1;
3480	$AIO_POLL_WATCHER = Event->io (	4181	undef $AnyEvent::AIO::WATCHER;
3481	reentrant => 0,
3482	data => WF_AUTOCANCEL,
3483	fd => IO::AIO::poll_fileno,
3484	poll => 'r',
3485	prio => 6,
3486	cb => \&IO::AIO::poll_cb,
3487	);
3488	}	4182	}
3489		4183
3490	my $_log_backtrace;	4184	our $_log_backtrace;
		4185	our $_log_backtrace_last;
3491		4186
3492	sub _log_backtrace {	4187	sub _log_backtrace {
3493	my ($msg, @addr) = @_;	4188	my ($msg, @addr) = @_;
3494		4189
3495	$msg =~ s/\n//;	4190	$msg =~ s/\n$//;
3496		4191
		4192	if ($_log_backtrace_last eq $msg) {
		4193	LOG llevInfo, "[ABT] $msg\n";
		4194	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3497	# limit the # of concurrent backtraces	4195	# limit the # of concurrent backtraces
3498	if ($_log_backtrace < 2) {	4196	} elsif ($_log_backtrace < 2) {
		4197	$_log_backtrace_last = $msg;
3499	++$_log_backtrace;	4198	++$_log_backtrace;
		4199	my $perl_bt = Carp::longmess $msg;
3500	async {	4200	async {
		4201	$Coro::current->{desc} = "abt $msg";
		4202
3501	my @bt = fork_call {	4203	my @bt = fork_call {
3502	@addr = map { sprintf "%x", $_ } @addr;	4204	@addr = map { sprintf "%x", $_ } @addr;
3503	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4205	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3504	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 |"
3505	or die "addr2line: $!";	4207	or die "addr2line: $!";
…		…
3513	}	4215	}
3514		4216
3515	@funcs	4217	@funcs
3516	};	4218	};
3517		4219
3518	LOG llevInfo, "[ABT] $msg\n";	4220	LOG llevInfo, "[ABT] $perl_bt\n";
		4221	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3519	LOG llevInfo, "[ABT] $_\n" for @bt;	4222	LOG llevInfo, "[ABT] $_\n" for @bt;
3520	--$_log_backtrace;	4223	--$_log_backtrace;
3521	};	4224	};
3522	} else {	4225	} else {
3523	LOG llevInfo, "[ABT] $msg\n";	4226	LOG llevInfo, "[ABT] $msg\n";
3524	LOG llevInfo, "[ABT] [suppressed]\n";	4227	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3525	}	4228	}
3526	}	4229	}
3527		4230
3528	# load additional modules	4231	# load additional modules
3529	use cf::pod;	4232	require "cf/$_.pm" for @EXTRA_MODULES;
		4233	cf::_connect_to_perl_2;
3530		4234
3531	END { cf::emergency_save }	4235	END { cf::emergency_save }
3532		4236
3533	1	4237	1
3534		4238

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