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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.365 by root, Tue Sep 11 13:27:56 2007 UTC vs.
Revision 1.573 by root, Sun May 8 12:40:42 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.64 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS ();	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;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		125
84	our $BDB_POLL_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
85	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
86	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
87	our $DB_ENV;	129	our $DB_ENV;
88		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
89	our %CFG;	133	our %CFG;
90		134
91	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
92	our $RUNTIME;	136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
		138	our $NOW;
93		139
94	our (%PLAYER, %PLAYER_LOADING); # all users	140	our (%PLAYER, %PLAYER_LOADING); # all users
95	our (%MAP, %MAP_LOADING ); # all maps	141	our (%MAP, %MAP_LOADING ); # all maps
96	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
97		143
98	# 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 ∕
99	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
100		146
101	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)
102	our $LOADAVG; # same thing, but with alpha-smoothing	148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
103	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 $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
104		159
105	binmode STDOUT;	160	binmode STDOUT;
106	binmode STDERR;	161	binmode STDERR;
107		162
108	# read virtual server time, if available	163	# read virtual server time, if available
109	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
110	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
111	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
112	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
113	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
114		171
115	mkdir $_	172	mkdir $_
116	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
117		174
118	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
119		176
120	sub cf::map::normalise;	177	sub cf::map::normalise;
121		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
122	#############################################################################	183	#############################################################################
123		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
124	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
125		197
126	=over 4	198	=over 4
127		199
128	=item $cf::UPTIME	200	=item $cf::UPTIME
129		201
130	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.
131		218
132	=item $cf::RUNTIME	219	=item $cf::RUNTIME
133		220
134	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
135	every server tick.	222	every server tick.
…		…
141	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
142	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
143	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
144	database environment.	231	database environment.
145		232
146	=item $cf::NOW
147
148	The time of the last (current) server tick.
149
150	=item $cf::TICK
151
152	The interval between server ticks, in seconds.
153
154	=item $cf::LOADAVG	233	=item $cf::LOADAVG
155		234
156	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
157	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
158	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
161		240
162	The raw value load value from the last tick.	241	The raw value load value from the last tick.
163		242
164	=item %cf::CFG	243	=item %cf::CFG
165		244
166	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
167	from wherever your confdir points to.	246	from wherever your confdir points to.
168		247
169	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
170		249
171	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
172	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
173	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
174		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$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
175	=item @cf::INVOKE_RESULTS	271	=item @cf::INVOKE_RESULTS
176		272
177	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
178	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
179	that call.	275	that call.
180		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
181	=back	283	=back
182		284
183	=cut	285	=cut
184		286
185	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
186	*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 {
187	my $msg = join "", @_;	294	my $msg = join "", @_;
188		295
189	$msg .= "\n"	296	$msg .= "\n"
190	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
191		298
192	$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;
193		300
194	LOG llevError, $msg;	301	LOG llevWarn, $msg;
195	};	302	};
196	}	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	};
197		317
198	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
199	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
200	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
201	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
208	for my $pkg (qw(	328	for my $pkg (qw(
209	cf::global cf::attachable	329	cf::global cf::attachable
210	cf::object cf::object::player	330	cf::object cf::object::player
211	cf::client cf::player	331	cf::client cf::player
212	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
213	cf::map cf::party cf::region	334	cf::party cf::region
214	)) {	335	)) {
215	no strict 'refs';
216	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
217	}	337	}
218		338
219	$Event::DIED = sub {	339	$EV::DIED = sub {
220	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
221	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
222		347
223	#############################################################################	348	#############################################################################
224		349
225	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
226		351
…		…
247	$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;
248	$d	373	$d
249	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
250	}	375	}
251		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
252	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
253		392
254	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
255		394
256	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
257		396
258	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
259		398
260	=cut	399	=cut
261		400
262	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
263		402
264	sub to_json ($) { $json_coder->encode ($_[0]) }	403	sub encode_json($) { $json_coder->encode ($_[0]) }
265	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	}
266		467
267	=item cf::lock_wait $string	468	=item cf::lock_wait $string
268		469
269	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
270		471
271	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
272		473
273	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
274	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,
275	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
276	returned.	477	returned.
277		478
278	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
279	deadlocked coro.	480	deadlocked coro.
…		…
285		486
286	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.
287		488
288	=cut	489	=cut
289		490
290	our %LOCK;	491	our $LOCKS = new Coro::SemaphoreSet;
291	our %LOCKER;#d#
292		492
293	sub lock_wait($) {	493	sub lock_wait($) {
294	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
295
296	if ($LOCKER{$key} == $Coro::current) {#d#
297	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
298	return;#d#
299	}#d#
300
301	# wait for lock, if any
302	while ($LOCK{$key}) {
303	push @{ $LOCK{$key} }, $Coro::current;
304	Coro::schedule;
305	}
306	}	495	}
307		496
308	sub lock_acquire($) {	497	sub lock_acquire($) {
309	my ($key) = @_;	498	$LOCKS->guard ($_[0])
310
311	# wait, to be sure we are not locked
312	lock_wait $key;
313
314	$LOCK{$key} = [];
315	$LOCKER{$key} = $Coro::current;#d#
316
317	Coro::guard {
318	delete $LOCKER{$key};#d#
319	# wake up all waiters, to be on the safe side
320	$_->ready for @{ delete $LOCK{$key} };
321	}
322	}	499	}
323		500
324	sub lock_active($) {	501	sub lock_active($) {
325	my ($key) = @_;	502	$LOCKS->count ($_[0]) < 1
326
327	! ! $LOCK{$key}
328	}	503	}
329		504
330	sub freeze_mainloop {	505	sub freeze_mainloop {
331	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
332		507
333	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
334	$TICK_WATCHER->start;	509	}
335	};	510
336	$TICK_WATCHER->stop;	511	=item cf::periodic $interval, $cb
337	$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
338	}	524	}
339		525
340	=item cf::get_slot $time[, $priority[, $name]]	526	=item cf::get_slot $time[, $priority[, $name]]
341		527
342	Allocate $time seconds of blocking CPU time at priority C<$priority>:	528	Allocate $time seconds of blocking CPU time at priority C<$priority>
343	This call blocks and returns only when you have at least C<$time> seconds	529	(default: 0): This call blocks and returns only when you have at least
344	of cpu time till the next tick. The slot is only valid till the next cede.	530	C<$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.
345		535
346	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
347	used for statistical purposes and should identify the same time-class.	537	used for statistical purposes and should identify the same time-class.
348		538
349	Useful for short background jobs.	539	Useful for short background jobs.
350		540
351	=cut	541	=cut
352		542
353	our @SLOT_QUEUE;	543	our @SLOT_QUEUE;
354	our $SLOT_QUEUE;	544	our $SLOT_QUEUE;
		545	our $SLOT_DECAY = 0.9;
355		546
356	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	547	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
357	$SLOT_QUEUE = Coro::async {	548	$SLOT_QUEUE = Coro::async {
		549	$Coro::current->desc ("timeslot manager");
		550
358	my $signal = new Coro::Signal;	551	my $signal = new Coro::Signal;
		552	my $busy;
359		553
360	while () {	554	while () {
361	next_job:	555	next_job:
		556
362	my $avail = cf::till_tick;	557	my $avail = cf::till_tick;
363	if ($avail > 0.01) {	558
364	for (0 .. $#SLOT_QUEUE) {	559	for (0 .. $#SLOT_QUEUE) {
365	if ($SLOT_QUEUE[$_][0] < $avail) {	560	if ($SLOT_QUEUE[$_][0] <= $avail) {
		561	$busy = 0;
366	my $job = splice @SLOT_QUEUE, $_, 1, ();	562	my $job = splice @SLOT_QUEUE, $_, 1, ();
367	$job->[2]->send;	563	$job->[2]->send;
368	Coro::cede;	564	Coro::cede;
369	goto next_job;	565	goto next_job;
370	}	566	} else {
		567	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
371	}	568	}
372	}	569	}
373		570
374	if (@SLOT_QUEUE) {	571	if (@SLOT_QUEUE) {
375	# 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
376	push @cf::WAIT_FOR_TICK, $signal;	573	$WAIT_FOR_TICK->wait;
377	$signal->wait;
378	} else {	574	} else {
		575	$busy = 0;
379	Coro::schedule;	576	Coro::schedule;
380	}	577	}
381	}	578	}
382	};	579	};
383		580
384	sub get_slot($;$$) {	581	sub get_slot($;$$) {
		582	return if tick_inhibit || $Coro::current == $Coro::main;
		583
385	my ($time, $pri, $name) = @_;	584	my ($time, $pri, $name) = @_;
386		585
387	$time = $TICK * .6 if $time > $TICK * .6;	586	$time = clamp $time, 0.01, $TICK * .6;
		587
388	my $sig = new Coro::Signal;	588	my $sig = new Coro::Signal;
389		589
390	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	590	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
391	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	591	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
392	$SLOT_QUEUE->ready;	592	$SLOT_QUEUE->ready;
…		…
403		603
404	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
405		605
406	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
407		607
408	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	608	The design of Deliantra requires that the main coroutine ($Coro::main)
409	is always able to handle events or runnable, as Crossfire TRT is only	609	is always able to handle events or runnable, as Deliantra is only
410	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	610	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
411	acceptable.	611	acceptable.
412		612
413	If it must be done, put the blocking parts into C<sync_job>. This will run	613	If it must be done, put the blocking parts into C<sync_job>. This will run
414	the given BLOCK in another coroutine while waiting for the result. The	614	the given BLOCK in another coroutine while waiting for the result. The
…		…
418	=cut	618	=cut
419		619
420	sub sync_job(&) {	620	sub sync_job(&) {
421	my ($job) = @_;	621	my ($job) = @_;
422		622
423	if ($Coro::current == $Coro::main) {	623	if (in_main) {
424	my $time = Event::time;	624	my $time = AE::time;
425		625
426	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
427	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
428		628
429	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
430	# (but this is cancel-safe)	630
431	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
432		632
433	my $busy = 1;	633	my $busy = 1;
434	my @res;	634	my @res;
435		635
436	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
437	@res = eval { $job->() };	638	@res = eval { $job->() };
438	warn $@ if $@;	639	error $@ if $@;
439	undef $busy;	640	undef $busy;
440	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
441		642
442	while ($busy) {	643	while ($busy) {
443	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
444	}	648	}
		649	}
445		650
446	$time = Event::time - $time;	651	my $time = AE::time - $time;
447		652
448	LOG llevError | logBacktrace, Carp::longmess "long sync job"
449	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
450
451	$tick_start += $time; # do not account sync jobs to server load	653	$TICK_START += $time; # do not account sync jobs to server load
452		654
453	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
454	} else {	656	} else {
455	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
456		658
…		…
476	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
477		679
478	$coro	680	$coro
479	}	681	}
480		682
481	=item fork_call { }, $args	683	=item fork_call { }, @args
482		684
483	Executes the given code block with the given arguments in a seperate	685	Executes the given code block with the given arguments in a seperate
484	process, returning the results. Everything must be serialisable with	686	process, returning the results. Everything must be serialisable with
485	Coro::Storable. May, of course, block. Note that the executed sub may	687	Coro::Storable. May, of course, block. Note that the executed sub may
486	never block itself or use any form of Event handling.	688	never block itself or use any form of event handling.
487		689
488	=cut	690	=cut
		691
		692	sub post_fork {
		693	reset_signals;
		694	}
489		695
490	sub fork_call(&@) {	696	sub fork_call(&@) {
491	my ($cb, @args) = @_;	697	my ($cb, @args) = @_;
492		698
493	# we seemingly have to make a local copy of the whole thing,	699	# we seemingly have to make a local copy of the whole thing,
494	# otherwise perl prematurely frees the stuff :/	700	# otherwise perl prematurely frees the stuff :/
495	# TODO: investigate and fix (likely this will be rather laborious)	701	# TODO: investigate and fix (likely this will be rather laborious)
496		702
497	my @res = Coro::Util::fork_eval {	703	my @res = Coro::Util::fork_eval {
498	reset_signals;	704	cf::post_fork;
499	&$cb	705	&$cb
500	}, @args;	706	} @args;
501		707
502	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
503	}	747	}
504		748
505	=item $value = cf::db_get $family => $key	749	=item $value = cf::db_get $family => $key
506		750
507	Returns a single value from the environment database.	751	Returns a single value from the environment database.
…		…
517	within each server.	761	within each server.
518		762
519	=cut	763	=cut
520		764
521	sub db_table($) {	765	sub db_table($) {
		766	cf::error "db_get called from main context"
		767	if $Coro::current == $Coro::main;
		768
522	my ($name) = @_;	769	my ($name) = @_;
523	my $db = BDB::db_create $DB_ENV;	770	my $db = BDB::db_create $DB_ENV;
524		771
525	eval {	772	eval {
526	$db->set_flags (BDB::CHKSUM);	773	$db->set_flags (BDB::CHKSUM);
…		…
536	}	783	}
537		784
538	our $DB;	785	our $DB;
539		786
540	sub db_init {	787	sub db_init {
541	cf::sync_job {
542	$DB ||= db_table "db";	788	$DB ||= db_table "db";
543	};
544	}	789	}
545		790
546	sub db_get($$) {	791	sub db_get($$) {
547	my $key = "$_[0]/$_[1]";	792	my $key = "$_[0]/$_[1]";
548		793
549	cf::sync_job {	794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
550	BDB::db_get $DB, undef, $key, my $data;	797	BDB::db_get $DB, undef, $key, my $data;
551		798
552	$! ? ()	799	$! ? ()
553	: $data	800	: $data
554	}
555	}	801	}
556		802
557	sub db_put($$$) {	803	sub db_put($$$) {
558	BDB::dbreq_pri 4;	804	BDB::dbreq_pri 4;
559	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
587		833
588	my @data;	834	my @data;
589	my $md5;	835	my $md5;
590		836
591	for (0 .. $#$src) {	837	for (0 .. $#$src) {
592	0 <= aio_load $src->[$_], $data[$_]	838	$data[$_] = load_file $src->[$_];
593	or Carp::croak "$src->[$_]: $!";
594	}	839	}
595		840
596	# if processing is expensive, check	841	# if processing is expensive, check
597	# checksum first	842	# checksum first
598	if (1) {	843	if (1) {
…		…
615		860
616	my $t1 = Time::HiRes::time;	861	my $t1 = Time::HiRes::time;
617	my $data = $process->(\@data);	862	my $data = $process->(\@data);
618	my $t2 = Time::HiRes::time;	863	my $t2 = Time::HiRes::time;
619		864
620	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
621		866
622	db_put cache => "$id/data", $data;	867	db_put cache => "$id/data", $data;
623	db_put cache => "$id/md5" , $md5;	868	db_put cache => "$id/md5" , $md5;
624	db_put cache => "$id/meta", $meta;	869	db_put cache => "$id/meta", $meta;
625		870
…		…
635		880
636	=cut	881	=cut
637		882
638	sub datalog($@) {	883	sub datalog($@) {
639	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
640	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
641	}	886	}
642		887
643	=back	888	=back
644		889
645	=cut	890	=cut
646		891
647	#############################################################################	892	#############################################################################
648		893
649	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
650		895
651	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
652	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")
653	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
654		899
655	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>
656	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
657	Crossfire TRT).	902	Deliantra).
658		903
659	=over 4	904	=over 4
660		905
661	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
662		907
…		…
706	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
707		952
708	Register an attachment by C<$name> through which attachable objects of the	953	Register an attachment by C<$name> through which attachable objects of the
709	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
710		955
711	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
712	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.
713		958
714	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
715		960
716	=over 4	961	=over 4
…		…
840		1085
841	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
842	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
843		1088
844	} elsif (ref $type) {	1089	} elsif (ref $type) {
845	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
846		1091
847	} else {	1092	} else {
848	shift @arg;	1093	shift @arg;
849	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
850	}	1095	}
851	}	1096	}
852	}	1097	}
853		1098
854	sub _object_attach {	1099	sub _object_attach {
…		…
864	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
865	}	1110	}
866		1111
867	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
868	} else {	1113	} else {
869	warn "object uses attachment '$name' which is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
870	}	1115	}
871		1116
872	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
873	}	1118	}
874		1119
…		…
933		1178
934	for (@$callbacks) {	1179	for (@$callbacks) {
935	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
936		1181
937	if ($@) {	1182	if ($@) {
938	warn "$@";
939	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
940	override;	1184	override;
941	}	1185	}
942		1186
943	return 1 if $override;	1187	return 1 if $override;
944	}	1188	}
945		1189
946	0	1190	0
947	}	1191	}
948		1192
949	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
950		1194
951	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
952		1196
953	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
954		1198
…		…
960		1204
961	=cut	1205	=cut
962		1206
963	#############################################################################	1207	#############################################################################
964	# object support	1208	# object support
965	#
966		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 $SLOW_MERGES;#d#
967	sub _can_merge {	1243	sub _can_merge {
968	my ($ob1, $ob2) = @_;	1244	my ($ob1, $ob2) = @_;
969		1245
970	local $Storable::canonical = 1;	1246	++$SLOW_MERGES;#d#
971	my $fob1 = Storable::freeze $ob1;
972	my $fob2 = Storable::freeze $ob2;
973		1247
974	$fob1 eq $fob2	1248	# we do the slow way here
		1249	return _object_equal $ob1, $ob2
975	}	1250	}
976		1251
977	sub reattach {	1252	sub reattach {
978	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
979	my ($obj) = @_;	1254	my ($obj) = @_;
980		1255
		1256	# no longer needed after getting rid of delete_package?
981	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
982		1258
983	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
984		1260
985	@$registry = ();	1261	@$registry = ();
986		1262
…		…
991	for (@$attach) {	1267	for (@$attach) {
992	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
993	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
994	}	1270	}
995	} else {	1271	} else {
996	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
997	}	1273	}
998	}	1274	}
999	}	1275	}
1000		1276
1001	cf::attachable->attach (	1277	cf::attachable->attach (
1002	prio => -1000000,	1278	prio => -1000000,
1003	on_instantiate => sub {	1279	on_instantiate => sub {
1004	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
1005		1281
1006	$data = from_json $data;	1282	$data = decode_json $data;
1007		1283
1008	for (@$data) {	1284	for (@$data) {
1009	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
1010		1286
1011	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
1025	);	1301	);
1026		1302
1027	sub object_freezer_save {	1303	sub object_freezer_save {
1028	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
1029		1305
1030	my $guard = cf::lock_acquire "io";
1031
1032	sync_job {	1306	sync_job {
1033	if (length $$rdata) {	1307	if (length $$rdata) {
1034	utf8::decode (my $decname = $filename);	1308	utf8::decode (my $decname = $filename);
1035	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
1036	$decname, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
1037		1312
1038	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1039	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
1040	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1041	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	}
1042	close $fh;	1320	aio_close $fh;
1043		1321
1044	if (@$objs) {	1322	if (@$objs) {
1045	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) {
1046	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
1047	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1048	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
1049	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	}
1050	close $fh;	1331	aio_close $fh;
1051	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
1052	}	1333	}
1053	} else {	1334	} else {
1054	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
1055	}	1336	}
1056		1337
1057	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
1058	} else {	1342	} else {
1059	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
1060	}	1344	}
1061	} else {	1345	} else {
1062	aio_unlink $filename;	1346	aio_unlink $filename;
1063	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
1064	}	1348	}
1065	};	1349	};
1066
1067	undef $guard;
1068	}	1350	}
1069		1351
1070	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
1071	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
1072		1354
…		…
1077		1359
1078	sub object_thawer_load {	1360	sub object_thawer_load {
1079	my ($filename) = @_;	1361	my ($filename) = @_;
1080		1362
1081	my ($data, $av);	1363	my ($data, $av);
1082
1083	my $guard = cf::lock_acquire "io";
1084		1364
1085	(aio_load $filename, $data) >= 0	1365	(aio_load $filename, $data) >= 0
1086	or return;	1366	or return;
1087		1367
1088	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
1089	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
1090	or return;	1370	or return;
1091		1371
1092	undef $guard;
1093	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
1094	}	1374	}
1095		1375
1096	utf8::decode (my $decname = $filename);	1376	utf8::decode (my $decname = $filename);
1097	warn sprintf "loading %s (%d,%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
1098	$decname, length $data, scalar @{$av || []};	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
1099		1380
1100	($data, $av)	1381	($data, $av)
1101	}	1382	}
1102		1383
1103	=head2 COMMAND CALLBACKS	1384	=head2 COMMAND CALLBACKS
…		…
1159	my ($name, $cb) = @_;	1440	my ($name, $cb) = @_;
1160		1441
1161	$EXTICMD{$name} = $cb;	1442	$EXTICMD{$name} = $cb;
1162	}	1443	}
1163		1444
		1445	use File::Glob ();
		1446
1164	cf::player->attach (	1447	cf::player->attach (
1165	on_command => sub {	1448	on_unknown_command => sub {
1166	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
1167		1450
1168	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
1169	or return;	1452	or return;
1170		1453
…		…
1193		1476
1194	$pl->ext_reply ($reply, @reply)	1477	$pl->ext_reply ($reply, @reply)
1195	if $reply;	1478	if $reply;
1196		1479
1197	} else {	1480	} else {
1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1199	}	1482	}
1200		1483
1201	cf::override;	1484	cf::override;
1202	},	1485	},
1203	);	1486	);
1204		1487
		1488	# "readahead" all extensions
		1489	sub cache_extensions {
		1490	my $grp = IO::AIO::aio_group;
		1491
		1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1493	for (grep /\.ext$/, @{$_[0]}) {
		1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1495	}
		1496	};
		1497
		1498	$grp
		1499	}
		1500
1205	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
1206	cf::sync_job {	1504	cf::sync_job {
1207	my %todo;	1505	my %todo;
1208		1506
1209	for my $path (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
1210	next unless -r $path;	1508	next unless -r $path;
…		…
1228		1526
1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1527	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1528	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231		1529
1232	$ext{source} =	1530	$ext{source} =
1233	"package $pkg; use strict; use utf8;\n"	1531	"package $pkg; use common::sense;\n"
1234	. "#line 1 \"$path\"\n{\n"	1532	. "#line 1 \"$path\"\n{\n"
1235	. $source	1533	. $source
1236	. "\n};\n1";	1534	. "\n};\n1";
1237		1535
1238	$todo{$base} = \%ext;	1536	$todo{$base} = \%ext;
1239	}	1537	}
1240		1538
		1539	my $pass = 0;
1241	my %done;	1540	my %done;
1242	while (%todo) {	1541	while (%todo) {
1243	my $progress;	1542	my $progress;
1244		1543
		1544	++$pass;
		1545
		1546	ext:
1245	while (my ($k, $v) = each %todo) {	1547	while (my ($k, $v) = each %todo) {
1246	for (split /,\s*/, $v->{meta}{depends}) {	1548	for (split /,\s*/, $v->{meta}{depends}) {
1247	goto skip	1549	next ext
1248	unless exists $done{$_};	1550	unless exists $done{$_};
1249	}	1551	}
1250		1552
1251	warn "... loading '$k' into '$v->{pkg}'\n";	1553	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1252		1554
1253	unless (eval $v->{source}) {	1555	my $active = eval $v->{source};
		1556
		1557	if (length $@) {
1254	my $msg = $@ ? "$v->{path}: $@\n"	1558	error "$v->{path}: $@\n";
1255	: "$v->{base}: extension inactive.\n";
1256		1559
		1560	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1257	if (exists $v->{meta}{mandatory}) {	1561	if exists $v->{meta}{mandatory};
1258	warn $msg;	1562
1259	warn "mandatory extension failed to load, exiting.\n";	1563	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1260	exit 1;	1564	delete $todo{$k};
1261	}	1565	} else {
1262		1566	$done{$k} = delete $todo{$k};
1263	warn $msg;	1567	push @EXTS, $v->{pkg};
		1568	$progress = 1;
		1569
		1570	info "$v->{base}: extension inactive.\n"
		1571	unless $active;
1264	}	1572	}
1265
1266	$done{$k} = delete $todo{$k};
1267	push @EXTS, $v->{pkg};
1268	$progress = 1;
1269	}	1573	}
1270		1574
1271	skip:	1575	unless ($progress) {
1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1576	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1273	unless $progress;	1577
		1578	while (my ($k, $v) = each %todo) {
		1579	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1580	if exists $v->{meta}{mandatory};
		1581	}
		1582
		1583	last;
		1584	}
1274	}	1585	}
1275	};	1586	};
1276	}	1587	}
1277		1588
1278	#############################################################################	1589	#############################################################################
1279		1590
1280	=back	1591	=back
1281		1592
1282	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
1283		1594
1284	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
1285		1596
1286	=cut	1597	=cut
1287		1598
1288	package cf::player;	1599	package cf::player;
1289		1600
…		…
1332		1643
1333	sub exists($) {	1644	sub exists($) {
1334	my ($login) = @_;	1645	my ($login) = @_;
1335		1646
1336	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
1337	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
1338	}	1649	}
1339		1650
1340	sub find($) {	1651	sub find($) {
1341	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
1342	my $login = $_[0];	1653	my $login = $_[0];
…		…
1352	aio_unlink +(playerdir $login) . "/$login.pl";	1663	aio_unlink +(playerdir $login) . "/$login.pl";
1353		1664
1354	my $f = new_from_file cf::object::thawer path $login	1665	my $f = new_from_file cf::object::thawer path $login
1355	or return;	1666	or return;
1356		1667
1357	$f->next;
1358	my $pl = cf::player::load_pl $f	1668	my $pl = cf::player::load_pl $f
1359	or return;	1669	or return;
		1670
1360	local $cf::PLAYER_LOADING{$login} = $pl;	1671	local $cf::PLAYER_LOADING{$login} = $pl;
1361	$f->resolve_delayed_derefs;	1672	$f->resolve_delayed_derefs;
1362	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
1363	}	1674	}
1364	}	1675	}
1365	}	1676	}
1366		1677
		1678	cf::player->attach (
		1679	on_load => sub {
		1680	my ($pl, $path) = @_;
		1681
		1682	# restore slots saved in save, below
		1683	my $slots = delete $pl->{_slots};
		1684
		1685	$pl->ob->current_weapon ($slots->[0]);
		1686	$pl->combat_ob ($slots->[1]);
		1687	$pl->ranged_ob ($slots->[2]);
		1688	},
		1689	);
		1690
1367	sub save($) {	1691	sub save($) {
1368	my ($pl) = @_;	1692	my ($pl) = @_;
1369		1693
1370	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
1371		1695
…		…
1374		1698
1375	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1376		1700
1377	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1378	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
		1703
		1704	cf::get_slot 0.01;
		1705
		1706	# save slots, to be restored later
		1707	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1379		1708
1380	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1381	cf::cede_to_tick;	1710	cf::cede_to_tick;
1382	}	1711	}
1383		1712
…		…
1415	my ($pl) = @_;	1744	my ($pl) = @_;
1416		1745
1417	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1418		1747
1419	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1420	$pl->password ("*"); # this should lock out the player until we nuked the dir	1749	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1421		1750
1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1423	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1424	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1425	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1426		1759
1427	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1428	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1429	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1467		1800
1468	for my $login (@$dirs) {	1801	for my $login (@$dirs) {
1469	my $path = path $login;	1802	my $path = path $login;
1470		1803
1471	# a .pst is a dead give-away for a valid player	1804	# a .pst is a dead give-away for a valid player
1472	unless (-e "$path.pst") {	1805	# if no pst file found, open and chekc for blocked users
		1806	if (aio_stat "$path.pst") {
1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1474	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1475	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
1476	}	1810	}
1477		1811
…		…
1481		1815
1482	\@logins	1816	\@logins
1483	}	1817	}
1484		1818
1485	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1486		1822
1487	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1488	player. May block.	1824	player. May block.
1489		1825
1490	=cut	1826	=cut
…		…
1508	}	1844	}
1509		1845
1510	\@paths	1846	\@paths
1511	}	1847	}
1512		1848
1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1514		1850
1515	Expand crossfire pod fragments into protocol xml.	1851	Expand deliantra pod fragments into protocol xml.
1516
1517	=cut
1518
1519	sub expand_cfpod {
1520	((my $self), (local $_)) = @_;
1521
1522	# escape & and <
1523	s/&/&amp;/g;
1524	s/(?<![BIUGHT])</&lt;/g;
1525
1526	# this is buggy, it needs to properly take care of nested <'s
1527
1528	1 while
1529	# replace B<>, I<>, U<> etc.
1530	s/B<([^\>]*)>/<b>$1<\/b>/
1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1534	# replace G<male|female> tags
1535	|| s{G<([^>|]*)\|([^>]*)>}{
1536	$self->gender ? $2 : $1
1537	}ge
1538	# replace H<hint text>
1539	|| s{H<([^\>]*)>}
1540	{
1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1543	"")
1544	[$self->{hintmode}]
1545	}ge;
1546
1547	# create single paragraphs (very hackish)
1548	s/(?<=\S)\n(?=\w)/ /g;
1549
1550	# compress some whitespace
1551	s/\s+\n/\n/g; # ws line-ends
1552	s/\n\n+/\n/g; # double lines
1553	s/^\n+//; # beginning lines
1554	s/\n+$//; # ending lines
1555
1556	$_
1557	}
1558
1559	sub hintmode {
1560	$_[0]{hintmode} = $_[1] if @_ > 1;
1561	$_[0]{hintmode}
1562	}
1563		1852
1564	=item $player->ext_reply ($msgid, @msg)	1853	=item $player->ext_reply ($msgid, @msg)
1565		1854
1566	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1567		1856
…		…
1599		1888
1600	=cut	1889	=cut
1601		1890
1602	sub find_by_path($) {	1891	sub find_by_path($) {
1603	my ($path) = @_;	1892	my ($path) = @_;
		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
1604		1895
1605	my ($match, $specificity);	1896	my ($match, $specificity);
1606		1897
1607	for my $region (list) {	1898	for my $region (list) {
1608	if ($region->{match} && $path =~ $region->{match}) {	1899	if ($region->{match} && $path =~ $region->{match}) {
…		…
1634	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1635	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1636		1927
1637	sub generate_random_map {	1928	sub generate_random_map {
1638	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1639	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1640	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1641	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1642	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1643	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1644	$rmp->{exit_on_final_map},
1645	$rmp->{xsize}, $rmp->{ysize},
1646	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1647	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1648	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1649	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1650	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1651	(cf::region::find $rmp->{region}), $rmp->{custom}
1652	)
1653	}	1934	}
1654		1935
1655	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1656		1937
1657	Register a handler for the map path matching the given regex at the	1938	Register a handler for the map path matching the given regex at the
…		…
1662		1943
1663	sub register {	1944	sub register {
1664	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1665	my $pkg = caller;	1946	my $pkg = caller;
1666		1947
1667	no strict;
1668	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1669		1949
1670	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1671	}	1951	}
1672		1952
1673	# also paths starting with '/'	1953	# also paths starting with '/'
1674	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1675		1955
1676	sub thawer_merge {	1956	sub thawer_merge {
1677	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1678		1958
1679	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
…		…
1684	}	1964	}
1685		1965
1686	sub normalise {	1966	sub normalise {
1687	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1688		1968
1689	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1690		1970
1691	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1692		1972
1693	# map plan:	1973	# map plan:
1694	#	1974	#
…		…
1709	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1710	$path = "$base/$path";	1990	$path = "$base/$path";
1711	}	1991	}
1712		1992
1713	for ($path) {	1993	for ($path) {
1714	redo if s{//}{/};
1715	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1716	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1717	}	1996	}
1718		1997
1719	$path	1998	$path
…		…
1733	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1734	return $self;	2013	return $self;
1735	}	2014	}
1736	}	2015	}
1737		2016
1738	Carp::cluck "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1739	()	2018	()
1740	}	2019	}
1741		2020
		2021	# may re-bless or do other evil things
1742	sub init {	2022	sub init {
1743	my ($self) = @_;	2023	my ($self) = @_;
1744		2024
1745	$self	2025	$self
1746	}	2026	}
…		…
1765		2045
1766	# the temporary/swap location	2046	# the temporary/swap location
1767	sub save_path {	2047	sub save_path {
1768	my ($self) = @_;	2048	my ($self) = @_;
1769		2049
1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1771	"$TMPDIR/$path.map"	2051	"$TMPDIR/$path.map"
1772	}	2052	}
1773		2053
1774	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1775	sub uniq_path {	2055	sub uniq_path {
1776	my ($self) = @_;	2056	my ($self) = @_;
1777		2057
1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1779	"$UNIQUEDIR/$path"	2059	"$UNIQUEDIR/$path"
1780	}
1781
1782	# and all this just because we cannot iterate over
1783	# all maps in C++...
1784	sub change_all_map_light {
1785	my ($change) = @_;
1786
1787	$_->change_map_light ($change)
1788	for grep $_->outdoor, values %cf::MAP;
1789	}	2060	}
1790		2061
1791	sub decay_objects {	2062	sub decay_objects {
1792	my ($self) = @_;	2063	my ($self) = @_;
1793		2064
…		…
1820	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1821		2092
1822	1	2093	1
1823	}	2094	}
1824		2095
		2096	# used to laod the header of an original map
1825	sub load_header_orig {	2097	sub load_header_orig {
1826	my ($self) = @_;	2098	my ($self) = @_;
1827		2099
1828	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1829	}	2101	}
1830		2102
		2103	# used to laod the header of an instantiated map
1831	sub load_header_temp {	2104	sub load_header_temp {
1832	my ($self) = @_;	2105	my ($self) = @_;
1833		2106
1834	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1835	}	2108	}
1836		2109
		2110	# called after loading the header from an instantiated map
1837	sub prepare_temp {	2111	sub prepare_temp {
1838	my ($self) = @_;	2112	my ($self) = @_;
1839		2113
1840	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1841	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1842	# safety	2116	# safety
1843	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1844	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1845	}	2119	}
1846		2120
		2121	# called after loading the header from an original map
1847	sub prepare_orig {	2122	sub prepare_orig {
1848	my ($self) = @_;	2123	my ($self) = @_;
1849		2124
1850	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1851	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1875		2150
1876	sub find;	2151	sub find;
1877	sub find {	2152	sub find {
1878	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1879		2154
		2155	cf::cede_to_tick;
		2156
1880	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1881		2158
1882	cf::lock_wait "map_data:$path";#d#remove	2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1883	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1884		2161
1885	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1886	my $guard1 = cf::lock_acquire "map_find:$path";
1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1888
1889	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1890	or return;	2164	or return;
1891		2165
1892	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1893		2167
…		…
1895	or return;	2169	or return;
1896		2170
1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1898	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1899	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
1900	undef $guard1;	2175	undef $guard1;
1901	undef $guard2;
1902	$map->reset;	2176	$map->reset;
1903	return find $path;	2177	return find $path;
1904	}	2178	}
1905		2179
1906	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1907	}	2181	}
1908	}	2182	}
1909		2183
1910	sub pre_load { }	2184	sub pre_load { }
1911	sub post_load { }	2185	#sub post_load { } # XS
1912		2186
1913	sub load {	2187	sub load {
1914	my ($self) = @_;	2188	my ($self) = @_;
1915		2189
1916	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1919		2193
1920	{	2194	{
1921	my $guard = cf::lock_acquire "map_data:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1922		2196
1923	return unless $self->valid;	2197	return unless $self->valid;
1924	return unless $self->in_memory == cf::MAP_SWAPPED;	2198	return unless $self->state == cf::MAP_SWAPPED;
1925
1926	$self->in_memory (cf::MAP_LOADING);
1927		2199
1928	$self->alloc;	2200	$self->alloc;
1929		2201
1930	$self->pre_load;	2202	$self->pre_load;
1931	cf::cede_to_tick;	2203	cf::cede_to_tick;
1932		2204
		2205	if (exists $self->{load_path}) {
1933	my $f = new_from_file cf::object::thawer $self->{load_path};	2206	my $f = new_from_file cf::object::thawer $self->{load_path};
1934	$f->skip_block;	2207	$f->skip_block;
1935	$self->_load_objects ($f)	2208	$self->_load_objects ($f)
1936	or return;	2209	or return;
1937		2210
1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1939	if delete $self->{load_original};	2212	if delete $self->{load_original};
1940		2213
1941	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1942	utf8::encode $uniq;	2215	utf8::encode $uniq;
1943	unless (aio_stat $uniq) {	2216	unless (aio_stat $uniq) {
1944	if (my $f = new_from_file cf::object::thawer $uniq) {	2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1945	$self->clear_unique_items;	2218	$self->clear_unique_items;
1946	$self->_load_objects ($f);	2219	$self->_load_objects ($f);
1947	$f->resolve_delayed_derefs;	2220	$f->resolve_delayed_derefs;
		2221	}
1948	}	2222	}
1949	}	2223	}
1950	}
1951		2224
1952	$f->resolve_delayed_derefs;	2225	$f->resolve_delayed_derefs;
		2226	} else {
		2227	$self->post_load_original
		2228	if delete $self->{load_original};
		2229	}
		2230
		2231	$self->state (cf::MAP_INACTIVE);
1953		2232
1954	cf::cede_to_tick;	2233	cf::cede_to_tick;
1955	# now do the right thing for maps	2234	# now do the right thing for maps
1956	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1957	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
…		…
1961	unless ($self->{deny_activate}) {	2240	unless ($self->{deny_activate}) {
1962	$self->decay_objects;	2241	$self->decay_objects;
1963	$self->fix_auto_apply;	2242	$self->fix_auto_apply;
1964	$self->update_buttons;	2243	$self->update_buttons;
1965	cf::cede_to_tick;	2244	cf::cede_to_tick;
1966	$self->set_darkness_map;	2245	#$self->activate; # no longer activate maps automatically
1967	cf::cede_to_tick;
1968	$self->activate;
1969	}	2246	}
1970		2247
1971	$self->{last_save} = $cf::RUNTIME;	2248	$self->{last_save} = $cf::RUNTIME;
1972	$self->last_access ($cf::RUNTIME);	2249	$self->last_access ($cf::RUNTIME);
1973
1974	$self->in_memory (cf::MAP_IN_MEMORY);
1975	}	2250	}
1976		2251
1977	$self->post_load;	2252	$self->post_load;
1978	}
1979		2253
		2254	1
		2255	}
		2256
		2257	# customize the map for a given player, i.e.
		2258	# return the _real_ map. used by e.g. per-player
		2259	# maps to change the path to ~playername/mappath
1980	sub customise_for {	2260	sub customise_for {
1981	my ($self, $ob) = @_;	2261	my ($self, $ob) = @_;
1982		2262
1983	return find "~" . $ob->name . "/" . $self->{path}	2263	return find "~" . $ob->name . "/" . $self->{path}
1984	if $self->per_player;	2264	if $self->per_player;
…		…
2000	or next;	2280	or next;
2001	$neigh = find $neigh, $map	2281	$neigh = find $neigh, $map
2002	or next;	2282	or next;
2003	$neigh->load;	2283	$neigh->load;
2004		2284
		2285	# now find the diagonal neighbours
2005	push @neigh,	2286	push @neigh,
2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2287	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2288	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2008	}	2289	}
2009		2290
…		…
2016	}	2297	}
2017		2298
2018	sub find_sync {	2299	sub find_sync {
2019	my ($path, $origin) = @_;	2300	my ($path, $origin) = @_;
2020		2301
2021	cf::sync_job { find $path, $origin }	2302	# it's a bug to call this from the main context
		2303	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2304	if $Coro::current == $Coro::main;
		2305
		2306	find $path, $origin
2022	}	2307	}
2023		2308
2024	sub do_load_sync {	2309	sub do_load_sync {
2025	my ($map) = @_;	2310	my ($map) = @_;
2026		2311
		2312	# it's a bug to call this from the main context
2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2313	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2028	if $Coro::current == $Coro::main;	2314	if $Coro::current == $Coro::main;
2029		2315
2030	cf::sync_job { $map->load };	2316	$map->load;
2031	}	2317	}
2032		2318
2033	our %MAP_PREFETCH;	2319	our %MAP_PREFETCH;
2034	our $MAP_PREFETCHER = undef;	2320	our $MAP_PREFETCHER = undef;
2035		2321
2036	sub find_async {	2322	sub find_async {
2037	my ($path, $origin, $load) = @_;	2323	my ($path, $origin, $load) = @_;
2038		2324
2039	$path = normalise $path, $origin && $origin->{path};	2325	$path = normalise $path, $origin;
2040		2326
2041	if (my $map = $cf::MAP{$path}) {	2327	if (my $map = $cf::MAP{$path}) {
2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2328	return $map if !$load || $map->linkable;
2043	}	2329	}
2044		2330
2045	$MAP_PREFETCH{$path} |= $load;	2331	$MAP_PREFETCH{$path} |= $load;
2046		2332
2047	$MAP_PREFETCHER ||= cf::async {	2333	$MAP_PREFETCHER ||= cf::async {
		2334	$Coro::current->{desc} = "map prefetcher";
		2335
2048	while (%MAP_PREFETCH) {	2336	while (%MAP_PREFETCH) {
2049	while (my ($k, $v) = each %MAP_PREFETCH) {	2337	while (my ($k, $v) = each %MAP_PREFETCH) {
2050	if (my $map = find $k) {	2338	if (my $map = find $k) {
2051	$map->load if $v;	2339	$map->load if $v;
2052	}	2340	}
…		…
2059	$MAP_PREFETCHER->prio (6);	2347	$MAP_PREFETCHER->prio (6);
2060		2348
2061	()	2349	()
2062	}	2350	}
2063		2351
		2352	# common code, used by both ->save and ->swapout
2064	sub save {	2353	sub _save {
2065	my ($self) = @_;	2354	my ($self) = @_;
2066
2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
2068		2355
2069	$self->{last_save} = $cf::RUNTIME;	2356	$self->{last_save} = $cf::RUNTIME;
2070		2357
2071	return unless $self->dirty;	2358	return unless $self->dirty;
2072		2359
…		…
2078	return if $self->{deny_save};	2365	return if $self->{deny_save};
2079		2366
2080	local $self->{last_access} = $self->last_access;#d#	2367	local $self->{last_access} = $self->last_access;#d#
2081		2368
2082	cf::async {	2369	cf::async {
		2370	$Coro::current->{desc} = "map player save";
2083	$_->contr->save for $self->players;	2371	$_->contr->save for $self->players;
2084	};	2372	};
		2373
		2374	cf::get_slot 0.02;
2085		2375
2086	if ($uniq) {	2376	if ($uniq) {
2087	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2377	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2088	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2378	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2089	} else {	2379	} else {
2090	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2380	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2091	}	2381	}
2092	}	2382	}
2093		2383
		2384	sub save {
		2385	my ($self) = @_;
		2386
		2387	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2388
		2389	$self->_save;
		2390	}
		2391
2094	sub swap_out {	2392	sub swap_out {
2095	my ($self) = @_;	2393	my ($self) = @_;
2096		2394
2097	# save first because save cedes
2098	$self->save;
2099
2100	my $lock = cf::lock_acquire "map_data:$self->{path}";	2395	my $lock = cf::lock_acquire "map_data:$self->{path}";
2101		2396
		2397	return if !$self->linkable;
		2398	return if $self->{deny_save};
2102	return if $self->players;	2399	return if $self->players;
2103	return if $self->in_memory != cf::MAP_IN_MEMORY;	2400
		2401	# first deactivate the map and "unlink" it from the core
		2402	$self->deactivate;
		2403	$_->clear_links_to ($self) for values %cf::MAP;
		2404	$self->state (cf::MAP_SWAPPED);
		2405
		2406	# then atomically save
		2407	$self->_save;
		2408
		2409	# then free the map
		2410	$self->clear;
		2411	}
		2412
		2413	sub reset_at {
		2414	my ($self) = @_;
		2415
		2416	# TODO: safety, remove and allow resettable per-player maps
2104	return if $self->{deny_save};	2417	return 1e99 if $self->{deny_reset};
2105		2418
		2419	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2420	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2421
		2422	$time + $to
		2423	}
		2424
		2425	sub should_reset {
		2426	my ($self) = @_;
		2427
		2428	$self->reset_at <= $cf::RUNTIME
		2429	}
		2430
		2431	sub reset {
		2432	my ($self) = @_;
		2433
		2434	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2435
		2436	return if $self->players;
		2437
		2438	cf::trace "resetting map ", $self->path, "\n";
		2439
2106	$self->in_memory (cf::MAP_SWAPPED);	2440	$self->state (cf::MAP_SWAPPED);
		2441
		2442	# need to save uniques path
		2443	unless ($self->{deny_save}) {
		2444	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2445
		2446	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2447	if $uniq;
		2448	}
		2449
		2450	delete $cf::MAP{$self->path};
2107		2451
2108	$self->deactivate;	2452	$self->deactivate;
2109	$_->clear_links_to ($self) for values %cf::MAP;	2453	$_->clear_links_to ($self) for values %cf::MAP;
2110	$self->clear;	2454	$self->clear;
2111	}
2112
2113	sub reset_at {
2114	my ($self) = @_;
2115
2116	# TODO: safety, remove and allow resettable per-player maps
2117	return 1e99 if $self->{deny_reset};
2118
2119	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2120	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2121
2122	$time + $to
2123	}
2124
2125	sub should_reset {
2126	my ($self) = @_;
2127
2128	$self->reset_at <= $cf::RUNTIME
2129	}
2130
2131	sub reset {
2132	my ($self) = @_;
2133
2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
2135
2136	return if $self->players;
2137
2138	warn "resetting map ", $self->path;
2139
2140	$self->in_memory (cf::MAP_SWAPPED);
2141
2142	# need to save uniques path
2143	unless ($self->{deny_save}) {
2144	my $uniq = $self->uniq_path; utf8::encode $uniq;
2145
2146	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2147	if $uniq;
2148	}
2149
2150	delete $cf::MAP{$self->path};
2151
2152	$self->deactivate;
2153	$_->clear_links_to ($self) for values %cf::MAP;
2154	$self->clear;
2155		2455
2156	$self->unlink_save;	2456	$self->unlink_save;
2157	$self->destroy;	2457	$self->destroy;
2158	}	2458	}
2159		2459
…		…
2167		2467
2168	delete $cf::MAP{$self->path};	2468	delete $cf::MAP{$self->path};
2169		2469
2170	$self->unlink_save;	2470	$self->unlink_save;
2171		2471
2172	bless $self, "cf::map";	2472	bless $self, "cf::map::wrap";
2173	delete $self->{deny_reset};	2473	delete $self->{deny_reset};
2174	$self->{deny_save} = 1;	2474	$self->{deny_save} = 1;
2175	$self->reset_timeout (1);	2475	$self->reset_timeout (1);
2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2476	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2177		2477
…		…
2226		2526
2227	sub unique_maps() {	2527	sub unique_maps() {
2228	[	2528	[
2229	map {	2529	map {
2230	utf8::decode $_;	2530	utf8::decode $_;
2231	/\.map$/	2531	s/\.map$//; # TODO future compatibility hack
		2532	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2533	? ()
2232	? normalise $_	2534	: normalise $_
2233	: ()
2234	} @{ aio_readdir $UNIQUEDIR or [] }	2535	} @{ aio_readdir $UNIQUEDIR or [] }
2235	]	2536	]
2236	}	2537	}
2237		2538
2238	package cf;	2539	=item cf::map::static_maps
		2540
		2541	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2542	file in the shared directory excluding F</styles> and F</editor>). May
		2543	block.
		2544
		2545	=cut
		2546
		2547	sub static_maps() {
		2548	my @dirs = "";
		2549	my @maps;
		2550
		2551	while (@dirs) {
		2552	my $dir = shift @dirs;
		2553
		2554	next if $dir eq "/styles" || $dir eq "/editor";
		2555
		2556	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2557	or return;
		2558
		2559	for (@$files) {
		2560	s/\.map$// or next;
		2561	utf8::decode $_;
		2562	push @maps, "$dir/$_";
		2563	}
		2564
		2565	push @dirs, map "$dir/$_", @$dirs;
		2566	}
		2567
		2568	\@maps
		2569	}
2239		2570
2240	=back	2571	=back
2241		2572
2242	=head3 cf::object	2573	=head3 cf::object
2243		2574
…		…
2247		2578
2248	=over 4	2579	=over 4
2249		2580
2250	=item $ob->inv_recursive	2581	=item $ob->inv_recursive
2251		2582
2252	Returns the inventory of the object _and_ their inventories, recursively.	2583	Returns the inventory of the object I<and> their inventories, recursively,
		2584	but I<not> the object itself.
2253		2585
2254	=cut	2586	=cut
2255		2587
2256	sub inv_recursive_;	2588	sub inv_recursive_;
2257	sub inv_recursive_ {	2589	sub inv_recursive_ {
…		…
2262	inv_recursive_ inv $_[0]	2594	inv_recursive_ inv $_[0]
2263	}	2595	}
2264		2596
2265	=item $ref = $ob->ref	2597	=item $ref = $ob->ref
2266		2598
2267	creates and returns a persistent reference to an objetc that can be stored as a string.	2599	Creates and returns a persistent reference to an object that can be stored as a string.
2268		2600
2269	=item $ob = cf::object::deref ($refstring)	2601	=item $ob = cf::object::deref ($refstring)
2270		2602
2271	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2603	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2272	even if the object actually exists. May block.	2604	even if the object actually exists. May block.
…		…
2274	=cut	2606	=cut
2275		2607
2276	sub deref {	2608	sub deref {
2277	my ($ref) = @_;	2609	my ($ref) = @_;
2278		2610
2279	# temporary compatibility#TODO#remove
2280	$ref =~ s{^<}{player/<};
2281
2282	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2611	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2283	my ($uuid, $name) = ($1, $2);	2612	my ($uuid, $name) = ($1, $2);
2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2613	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2285	or return;	2614	or return;
2286	$pl->ob->uuid eq $uuid	2615	$pl->ob->uuid eq $uuid
2287	or return;	2616	or return;
…		…
2307	can be C<undef>. Does the right thing when the player is currently in a	2636	can be C<undef>. Does the right thing when the player is currently in a
2308	dialogue with the given NPC character.	2637	dialogue with the given NPC character.
2309		2638
2310	=cut	2639	=cut
2311		2640
		2641	our $SAY_CHANNEL = {
		2642	id => "say",
		2643	title => "Map",
		2644	reply => "say ",
		2645	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2646	};
		2647
		2648	our $CHAT_CHANNEL = {
		2649	id => "chat",
		2650	title => "Chat",
		2651	reply => "chat ",
		2652	tooltip => "Player chat and shouts, global to the server.",
		2653	};
		2654
2312	# rough implementation of a future "reply" method that works	2655	# rough implementation of a future "reply" method that works
2313	# with dialog boxes.	2656	# with dialog boxes.
2314	#TODO: the first argument must go, split into a $npc->reply_to ( method	2657	#TODO: the first argument must go, split into a $npc->reply_to ( method
2315	sub cf::object::player::reply($$$;$) {	2658	sub cf::object::player::reply($$$;$) {
2316	my ($self, $npc, $msg, $flags) = @_;	2659	my ($self, $npc, $msg, $flags) = @_;
…		…
2327	my $dialog = $pl->{npc_dialog};	2670	my $dialog = $pl->{npc_dialog};
2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2671	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2329		2672
2330	} else {	2673	} else {
2331	$msg = $npc->name . " says: $msg" if $npc;	2674	$msg = $npc->name . " says: $msg" if $npc;
2332	$self->message ($msg, $flags);	2675	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2333	}	2676	}
2334	}	2677	}
2335	}	2678	}
2336		2679
2337	=item $object->send_msg ($channel, $msg, $color, [extra...])	2680	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2362		2705
2363	=item $player_object->enter_link	2706	=item $player_object->enter_link
2364		2707
2365	Freezes the player and moves him/her to a special map (C<{link}>).	2708	Freezes the player and moves him/her to a special map (C<{link}>).
2366		2709
2367	The player should be reasonably safe there for short amounts of time. You	2710	The player should be reasonably safe there for short amounts of time (e.g.
2368	I<MUST> call C<leave_link> as soon as possible, though.	2711	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2712	though, as the player cannot control the character while it is on the link
		2713	map.
2369		2714
2370	Will never block.	2715	Will never block.
2371		2716
2372	=item $player_object->leave_link ($map, $x, $y)	2717	=item $player_object->leave_link ($map, $x, $y)
2373		2718
…		…
2393	sub cf::object::player::enter_link {	2738	sub cf::object::player::enter_link {
2394	my ($self) = @_;	2739	my ($self) = @_;
2395		2740
2396	$self->deactivate_recursive;	2741	$self->deactivate_recursive;
2397		2742
		2743	++$self->{_link_recursion};
		2744
2398	return if UNIVERSAL::isa $self->map, "ext::map_link";	2745	return if UNIVERSAL::isa $self->map, "ext::map_link";
2399		2746
2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2747	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2401	if $self->map && $self->map->{path} ne "{link}";	2748	if $self->map && $self->map->{path} ne "{link}";
2402		2749
2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2750	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2404	}	2751	}
2405		2752
2406	sub cf::object::player::leave_link {	2753	sub cf::object::player::leave_link {
2407	my ($self, $map, $x, $y) = @_;	2754	my ($self, $map, $x, $y) = @_;
2408		2755
…		…
2425	($x, $y) = (-1, -1)	2772	($x, $y) = (-1, -1)
2426	unless (defined $x) && (defined $y);	2773	unless (defined $x) && (defined $y);
2427		2774
2428	# use -1 or undef as default coordinates, not 0, 0	2775	# use -1 or undef as default coordinates, not 0, 0
2429	($x, $y) = ($map->enter_x, $map->enter_y)	2776	($x, $y) = ($map->enter_x, $map->enter_y)
2430	if $x <=0 && $y <= 0;	2777	if $x <= 0 && $y <= 0;
2431		2778
2432	$map->load;	2779	$map->load;
2433	$map->load_neighbours;	2780	$map->load_neighbours;
2434		2781
2435	return unless $self->contr->active;	2782	return unless $self->contr->active;
2436	$self->activate_recursive;
2437		2783
2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2784	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2439	$self->enter_map ($map, $x, $y);	2785	if ($self->enter_map ($map, $x, $y)) {
2440	}	2786	# entering was successful
		2787	delete $self->{_link_recursion};
		2788	# only activate afterwards, to support waiting in hooks
		2789	$self->activate_recursive;
		2790	}
2441		2791
		2792	}
		2793
2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2794	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2443		2795
2444	Moves the player to the given map-path and coordinates by first freezing	2796	Moves the player to the given map-path and coordinates by first freezing
2445	her, loading and preparing them map, calling the provided $check callback	2797	her, loading and preparing them map, calling the provided $check callback
2446	that has to return the map if sucecssful, and then unfreezes the player on	2798	that has to return the map if sucecssful, and then unfreezes the player on
2447	the new (success) or old (failed) map position. In either case, $done will	2799	the new (success) or old (failed) map position. In either case, $done will
2448	be called at the end of this process.	2800	be called at the end of this process.
2449		2801
		2802	Note that $check will be called with a potentially non-loaded map, so if
		2803	it needs a loaded map it has to call C<< ->load >>.
		2804
2450	=cut	2805	=cut
2451		2806
2452	our $GOTOGEN;	2807	our $GOTOGEN;
2453		2808
2454	sub cf::object::player::goto {	2809	sub cf::object::player::goto {
2455	my ($self, $path, $x, $y, $check, $done) = @_;	2810	my ($self, $path, $x, $y, $check, $done) = @_;
2456		2811
		2812	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2813	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2814	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2815	($path, $x, $y) = @$EMERGENCY_POSITION;
		2816	}
		2817
2457	# do generation counting so two concurrent goto's will be executed in-order	2818	# do generation counting so two concurrent goto's will be executed in-order
2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2819	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2459		2820
2460	$self->enter_link;	2821	$self->enter_link;
2461		2822
2462	(async {	2823	(async {
		2824	$Coro::current->{desc} = "player::goto $path $x $y";
		2825
2463	# *tag paths override both path and x|y	2826	# *tag paths override both path and x|y
2464	if ($path =~ /^\*(.*)$/) {	2827	if ($path =~ /^\*(.*)$/) {
2465	if (my @obs = grep $_->map, ext::map_tags::find $1) {	2828	if (my @obs = grep $_->map, ext::map_tags::find $1) {
2466	my $ob = $obs[rand @obs];	2829	my $ob = $obs[rand @obs];
		2830
		2831	# see if we actually can go there
		2832	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2833	$ob = $obs[rand @obs];
		2834	} else {
		2835	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2836	}
		2837	# else put us there anyways for now #d#
		2838
2467	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);	2839	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2840	} else {
		2841	($path, $x, $y) = (undef, undef, undef);
2468	}	2842	}
2469	}	2843	}
2470		2844
2471	my $map = eval {	2845	my $map = eval {
2472	my $map = cf::map::find $path;	2846	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2473		2847
2474	if ($map) {	2848	if ($map) {
2475	$map = $map->customise_for ($self);	2849	$map = $map->customise_for ($self);
2476	$map = $check->($map) if $check && $map;	2850	$map = $check->($map, $x, $y, $self) if $check && $map;
2477	} else {	2851	} else {
2478	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2852	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2479	}	2853	}
2480		2854
2481	$map	2855	$map
2482	};	2856	};
2483		2857
…		…
2489	if ($gen == $self->{_goto_generation}) {	2863	if ($gen == $self->{_goto_generation}) {
2490	delete $self->{_goto_generation};	2864	delete $self->{_goto_generation};
2491	$self->leave_link ($map, $x, $y);	2865	$self->leave_link ($map, $x, $y);
2492	}	2866	}
2493		2867
2494	$done->() if $done;	2868	$done->($self) if $done;
2495	})->prio (1);	2869	})->prio (1);
2496	}	2870	}
2497		2871
2498	=item $player_object->enter_exit ($exit_object)	2872	=item $player_object->enter_exit ($exit_object)
2499		2873
…		…
2519	}	2893	}
2520		2894
2521	sub prepare_random_map {	2895	sub prepare_random_map {
2522	my ($exit) = @_;	2896	my ($exit) = @_;
2523		2897
2524	my $guard = cf::lock_acquire "exit_prepare:$exit";
2525
2526	# all this does is basically replace the /! path by	2898	# all this does is basically replace the /! path by
2527	# a new random map path (?random/...) with a seed	2899	# a new random map path (?random/...) with a seed
2528	# that depends on the exit object	2900	# that depends on the exit object
2529		2901
2530	my $rmp = parse_random_map_params $exit->msg;	2902	my $rmp = parse_random_map_params $exit->msg;
…		…
2532	if ($exit->map) {	2904	if ($exit->map) {
2533	$rmp->{region} = $exit->region->name;	2905	$rmp->{region} = $exit->region->name;
2534	$rmp->{origin_map} = $exit->map->path;	2906	$rmp->{origin_map} = $exit->map->path;
2535	$rmp->{origin_x} = $exit->x;	2907	$rmp->{origin_x} = $exit->x;
2536	$rmp->{origin_y} = $exit->y;	2908	$rmp->{origin_y} = $exit->y;
		2909
		2910	$exit->map->touch;
2537	}	2911	}
2538		2912
2539	$rmp->{random_seed} ||= $exit->random_seed;	2913	$rmp->{random_seed} ||= $exit->random_seed;
2540		2914
2541	my $data = cf::to_json $rmp;	2915	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2542	my $md5 = Digest::MD5::md5_hex $data;	2916	my $md5 = Digest::MD5::md5_hex $data;
2543	my $meta = "$RANDOMDIR/$md5.meta";	2917	my $meta = "$RANDOMDIR/$md5.meta";
2544		2918
2545	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2919	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2546	aio_write $fh, 0, (length $data), $data, 0;	2920	aio_write $fh, 0, (length $data), $data, 0;
2547	undef $fh;	2921	undef $fh;
2548	aio_rename "$meta~", $meta;	2922	aio_rename "$meta~", $meta;
2549		2923
		2924	my $slaying = "?random/$md5";
		2925
		2926	if ($exit->valid) {
2550	$exit->slaying ("?random/$md5");	2927	$exit->slaying ("?random/$md5");
2551	$exit->msg (undef);	2928	$exit->msg (undef);
		2929	}
2552	}	2930	}
2553	}	2931	}
2554		2932
2555	sub cf::object::player::enter_exit {	2933	sub cf::object::player::enter_exit {
2556	my ($self, $exit) = @_;	2934	my ($self, $exit) = @_;
2557		2935
2558	return unless $self->type == cf::PLAYER;	2936	return unless $self->type == cf::PLAYER;
2559		2937
2560	if ($exit->slaying eq "/!") {
2561	#TODO: this should de-fi-ni-te-ly not be a sync-job
2562	# the problem is that $exit might not survive long enough
2563	# so it needs to be done right now, right here
2564	cf::sync_job { prepare_random_map $exit };
2565	}
2566
2567	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2568	my $hp = $exit->stats->hp;
2569	my $sp = $exit->stats->sp;
2570
2571	$self->enter_link;	2938	$self->enter_link;
2572		2939
2573	# if exit is damned, update players death & WoR home-position
2574	$self->contr->savebed ($slaying, $hp, $sp)
2575	if $exit->flag (FLAG_DAMNED);
2576
2577	(async {	2940	(async {
2578	$self->deactivate_recursive; # just to be sure	2941	$Coro::current->{desc} = "enter_exit";
		2942
2579	unless (eval {	2943	unless (eval {
		2944	$self->deactivate_recursive; # just to be sure
		2945
		2946	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2947	my $x = $exit->stats->hp;
		2948	my $y = $exit->stats->sp;
		2949
		2950	# special map handling
		2951	my $slaying = $exit->slaying;
		2952
		2953	# special map handling
		2954	if ($slaying eq "/!") {
		2955	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2956
		2957	prepare_random_map $exit
		2958	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2959
		2960	$map = $exit->slaying;
		2961
		2962	} elsif ($slaying eq '!up') {
		2963	$map = $exit->map->tile_path (cf::TILE_UP);
		2964	$x = $exit->x;
		2965	$y = $exit->y;
		2966
		2967	} elsif ($slaying eq '!down') {
		2968	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2969	$x = $exit->x;
		2970	$y = $exit->y;
		2971	}
		2972
2580	$self->goto ($slaying, $hp, $sp);	2973	$self->goto ($map, $x, $y);
2581		2974
		2975	# if exit is damned, update players death & WoR home-position
		2976	$self->contr->savebed ($map, $x, $y)
		2977	if $exit->flag (cf::FLAG_DAMNED);
		2978
2582	1;	2979	1
2583	}) {	2980	}) {
2584	$self->message ("Something went wrong deep within the crossfire server. "	2981	$self->message ("Something went wrong deep within the deliantra server. "
2585	. "I'll try to bring you back to the map you were before. "	2982	. "I'll try to bring you back to the map you were before. "
2586	. "Please report this to the dungeon master!",	2983	. "Please report this to the dungeon master!",
2587	cf::NDI_UNIQUE | cf::NDI_RED);	2984	cf::NDI_UNIQUE | cf::NDI_RED);
2588		2985
2589	warn "ERROR in enter_exit: $@";	2986	error "ERROR in enter_exit: $@";
2590	$self->leave_link;	2987	$self->leave_link;
2591	}	2988	}
2592	})->prio (1);	2989	})->prio (1);
2593	}	2990	}
2594		2991
…		…
2606	sub cf::client::send_drawinfo {	3003	sub cf::client::send_drawinfo {
2607	my ($self, $text, $flags) = @_;	3004	my ($self, $text, $flags) = @_;
2608		3005
2609	utf8::encode $text;	3006	utf8::encode $text;
2610	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3007	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3008	}
		3009
		3010	=item $client->send_big_packet ($pkt)
		3011
		3012	Like C<send_packet>, but tries to compress large packets, and fragments
		3013	them as required.
		3014
		3015	=cut
		3016
		3017	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3018
		3019	sub cf::client::send_big_packet {
		3020	my ($self, $pkt) = @_;
		3021
		3022	# try lzf for large packets
		3023	$pkt = "lzf " . Compress::LZF::compress $pkt
		3024	if 1024 <= length $pkt and $self->{can_lzf};
		3025
		3026	# split very large packets
		3027	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3028	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3029	$pkt = "frag";
		3030	}
		3031
		3032	$self->send_packet ($pkt);
2611	}	3033	}
2612		3034
2613	=item $client->send_msg ($channel, $msg, $color, [extra...])	3035	=item $client->send_msg ($channel, $msg, $color, [extra...])
2614		3036
2615	Send a drawinfo or msg packet to the client, formatting the msg for the	3037	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2617	the message, with C<log> being the default. If C<$color> is negative, suppress	3039	the message, with C<log> being the default. If C<$color> is negative, suppress
2618	the message unless the client supports the msg packet.	3040	the message unless the client supports the msg packet.
2619		3041
2620	=cut	3042	=cut
2621		3043
		3044	# non-persistent channels (usually the info channel)
2622	our %CHANNEL = (	3045	our %CHANNEL = (
		3046	"c/motd" => {
		3047	id => "infobox",
		3048	title => "MOTD",
		3049	reply => undef,
		3050	tooltip => "The message of the day",
		3051	},
2623	"c/identify" => {	3052	"c/identify" => {
2624	id => "identify",	3053	id => "infobox",
2625	title => "Identify",	3054	title => "Identify",
2626	reply => undef,	3055	reply => undef,
2627	tooltip => "Items recently identified",	3056	tooltip => "Items recently identified",
2628	},	3057	},
2629	"c/examine" => {	3058	"c/examine" => {
2630	id => "examine",	3059	id => "infobox",
2631	title => "Examine",	3060	title => "Examine",
2632	reply => undef,	3061	reply => undef,
2633	tooltip => "Signs and other items you examined",	3062	tooltip => "Signs and other items you examined",
2634	},	3063	},
		3064	"c/shopinfo" => {
		3065	id => "infobox",
		3066	title => "Shop Info",
		3067	reply => undef,
		3068	tooltip => "What your bargaining skill tells you about the shop",
		3069	},
		3070	"c/book" => {
		3071	id => "infobox",
		3072	title => "Book",
		3073	reply => undef,
		3074	tooltip => "The contents of a note or book",
		3075	},
		3076	"c/lookat" => {
		3077	id => "infobox",
		3078	title => "Look",
		3079	reply => undef,
		3080	tooltip => "What you saw there",
		3081	},
		3082	"c/who" => {
		3083	id => "infobox",
		3084	title => "Players",
		3085	reply => undef,
		3086	tooltip => "Shows players who are currently online",
		3087	},
		3088	"c/body" => {
		3089	id => "infobox",
		3090	title => "Body Parts",
		3091	reply => undef,
		3092	tooltip => "Shows which body parts you posess and are available",
		3093	},
		3094	"c/statistics" => {
		3095	id => "infobox",
		3096	title => "Statistics",
		3097	reply => undef,
		3098	tooltip => "Shows your primary statistics",
		3099	},
		3100	"c/skills" => {
		3101	id => "infobox",
		3102	title => "Skills",
		3103	reply => undef,
		3104	tooltip => "Shows your experience per skill and item power",
		3105	},
		3106	"c/shopitems" => {
		3107	id => "infobox",
		3108	title => "Shop Items",
		3109	reply => undef,
		3110	tooltip => "Shows the items currently for sale in this shop",
		3111	},
		3112	"c/resistances" => {
		3113	id => "infobox",
		3114	title => "Resistances",
		3115	reply => undef,
		3116	tooltip => "Shows your resistances",
		3117	},
		3118	"c/pets" => {
		3119	id => "infobox",
		3120	title => "Pets",
		3121	reply => undef,
		3122	tooltip => "Shows information abotu your pets/a specific pet",
		3123	},
		3124	"c/perceiveself" => {
		3125	id => "infobox",
		3126	title => "Perceive Self",
		3127	reply => undef,
		3128	tooltip => "You gained detailed knowledge about yourself",
		3129	},
		3130	"c/uptime" => {
		3131	id => "infobox",
		3132	title => "Uptime",
		3133	reply => undef,
		3134	tooltip => "How long the server has been running since last restart",
		3135	},
		3136	"c/mapinfo" => {
		3137	id => "infobox",
		3138	title => "Map Info",
		3139	reply => undef,
		3140	tooltip => "Information related to the maps",
		3141	},
		3142	"c/party" => {
		3143	id => "party",
		3144	title => "Party",
		3145	reply => "gsay ",
		3146	tooltip => "Messages and chat related to your party",
		3147	},
		3148	"c/death" => {
		3149	id => "death",
		3150	title => "Death",
		3151	reply => undef,
		3152	tooltip => "Reason for and more info about your most recent death",
		3153	},
		3154	"c/say" => $SAY_CHANNEL,
		3155	"c/chat" => $CHAT_CHANNEL,
2635	);	3156	);
2636		3157
2637	sub cf::client::send_msg {	3158	sub cf::client::send_msg {
2638	my ($self, $channel, $msg, $color, @extra) = @_;	3159	my ($self, $channel, $msg, $color, @extra) = @_;
2639		3160
2640	$msg = $self->pl->expand_cfpod ($msg);	3161	$msg = $self->pl->expand_cfpod ($msg)
		3162	unless $color & cf::NDI_VERBATIM;
2641		3163
2642	$color &= cf::NDI_CLIENT_MASK; # just in case...	3164	$color &= cf::NDI_CLIENT_MASK; # just in case...
2643		3165
2644	# check predefined channels, for the benefit of C	3166	# check predefined channels, for the benefit of C
2645	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	3167	if ($CHANNEL{$channel}) {
		3168	$channel = $CHANNEL{$channel};
2646		3169
		3170	$self->ext_msg (channel_info => $channel);
		3171	$channel = $channel->{id};
		3172
2647	if (ref $channel) {	3173	} elsif (ref $channel) {
2648	# send meta info to client, if not yet sent	3174	# send meta info to client, if not yet sent
2649	unless (exists $self->{channel}{$channel->{id}}) {	3175	unless (exists $self->{channel}{$channel->{id}}) {
2650	$self->{channel}{$channel->{id}} = $channel;	3176	$self->{channel}{$channel->{id}} = $channel;
2651	$self->ext_msg (channel_info => $channel)	3177	$self->ext_msg (channel_info => $channel);
2652	if $self->can_msg;
2653	}	3178	}
2654		3179
2655	$channel = $channel->{id};	3180	$channel = $channel->{id};
2656	}	3181	}
2657		3182
2658	return unless @extra || length $msg;	3183	return unless @extra || length $msg;
2659		3184
2660	if ($self->can_msg) {
2661	# default colour, mask it out	3185	# default colour, mask it out
2662	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3186	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2663	if $color & cf::NDI_DEF;	3187	if $color & cf::NDI_DEF;
2664		3188
2665	$self->send_packet ("msg " . $self->{json_coder}->encode (	3189	my $pkt = "msg "
		3190	. $self->{json_coder}->encode (
2666	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3191	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2667	} else {	3192	);
2668	if ($color >= 0) {
2669	# replace some tags by gcfclient-compatible ones
2670	for ($msg) {
2671	1 while
2672	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2673	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2674	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2675	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2676	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2677	}
2678		3193
2679	$color &= cf::NDI_COLOR_MASK;	3194	$self->send_big_packet ($pkt);
2680
2681	utf8::encode $msg;
2682
2683	if (0 && $msg =~ /\[/) {
2684	# COMMAND/INFO
2685	$self->send_packet ("drawextinfo $color 10 8 $msg")
2686	} else {
2687	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2688	$self->send_packet ("drawinfo $color $msg")
2689	}
2690	}
2691	}
2692	}	3195	}
2693		3196
2694	=item $client->ext_msg ($type, @msg)	3197	=item $client->ext_msg ($type, @msg)
2695		3198
2696	Sends an ext event to the client.	3199	Sends an ext event to the client.
…		…
2699		3202
2700	sub cf::client::ext_msg($$@) {	3203	sub cf::client::ext_msg($$@) {
2701	my ($self, $type, @msg) = @_;	3204	my ($self, $type, @msg) = @_;
2702		3205
2703	if ($self->extcmd == 2) {	3206	if ($self->extcmd == 2) {
2704	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3207	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2705	} elsif ($self->extcmd == 1) { # TODO: remove	3208	} elsif ($self->extcmd == 1) { # TODO: remove
2706	push @msg, msgtype => "event_$type";	3209	push @msg, msgtype => "event_$type";
2707	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3210	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2708	}	3211	}
2709	}	3212	}
2710		3213
2711	=item $client->ext_reply ($msgid, @msg)	3214	=item $client->ext_reply ($msgid, @msg)
2712		3215
…		…
2716		3219
2717	sub cf::client::ext_reply($$@) {	3220	sub cf::client::ext_reply($$@) {
2718	my ($self, $id, @msg) = @_;	3221	my ($self, $id, @msg) = @_;
2719		3222
2720	if ($self->extcmd == 2) {	3223	if ($self->extcmd == 2) {
2721	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3224	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2722	} elsif ($self->extcmd == 1) {	3225	} elsif ($self->extcmd == 1) {
2723	#TODO: version 1, remove	3226	#TODO: version 1, remove
2724	unshift @msg, msgtype => "reply", msgid => $id;	3227	unshift @msg, msgtype => "reply", msgid => $id;
2725	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3228	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2726	}	3229	}
2727	}	3230	}
2728		3231
2729	=item $success = $client->query ($flags, "text", \&cb)	3232	=item $success = $client->query ($flags, "text", \&cb)
2730		3233
…		…
2801		3304
2802	$ns->ext_reply ($reply, @reply)	3305	$ns->ext_reply ($reply, @reply)
2803	if $reply;	3306	if $reply;
2804		3307
2805	} else {	3308	} else {
2806	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3309	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2807	}	3310	}
2808		3311
2809	cf::override;	3312	cf::override;
2810	},	3313	},
2811	);	3314	);
…		…
2831		3334
2832	$coro	3335	$coro
2833	}	3336	}
2834		3337
2835	cf::client->attach (	3338	cf::client->attach (
2836	on_destroy => sub {	3339	on_client_destroy => sub {
2837	my ($ns) = @_;	3340	my ($ns) = @_;
2838		3341
2839	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3342	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2840	},	3343	},
2841	);	3344	);
…		…
2857	our $safe_hole = new Safe::Hole;	3360	our $safe_hole = new Safe::Hole;
2858		3361
2859	$SIG{FPE} = 'IGNORE';	3362	$SIG{FPE} = 'IGNORE';
2860		3363
2861	$safe->permit_only (Opcode::opset qw(	3364	$safe->permit_only (Opcode::opset qw(
2862	:base_core :base_mem :base_orig :base_math	3365	:base_core :base_mem :base_orig :base_math :base_loop
2863	grepstart grepwhile mapstart mapwhile	3366	grepstart grepwhile mapstart mapwhile
2864	sort time	3367	sort time
2865	));	3368	));
2866		3369
2867	# here we export the classes and methods available to script code	3370	# here we export the classes and methods available to script code
…		…
2869	=pod	3372	=pod
2870		3373
2871	The following functions and methods are available within a safe environment:	3374	The following functions and methods are available within a safe environment:
2872		3375
2873	cf::object	3376	cf::object
2874	contr pay_amount pay_player map x y force_find force_add	3377	contr pay_amount pay_player map x y force_find force_add destroy
2875	insert remove name archname title slaying race decrease_ob_nr	3378	insert remove name archname title slaying race decrease split
		3379	value
2876		3380
2877	cf::object::player	3381	cf::object::player
2878	player	3382	player
2879		3383
2880	cf::player	3384	cf::player
…		…
2885		3389
2886	=cut	3390	=cut
2887		3391
2888	for (	3392	for (
2889	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3393	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2890	insert remove inv name archname title slaying race	3394	insert remove inv nrof name archname title slaying race
2891	decrease_ob_nr)],	3395	decrease split destroy change_exp value msg lore send_msg)],
2892	["cf::object::player" => qw(player)],	3396	["cf::object::player" => qw(player)],
2893	["cf::player" => qw(peaceful)],	3397	["cf::player" => qw(peaceful send_msg)],
2894	["cf::map" => qw(trigger)],	3398	["cf::map" => qw(trigger)],
2895	) {	3399	) {
2896	no strict 'refs';
2897	my ($pkg, @funs) = @$_;	3400	my ($pkg, @funs) = @$_;
2898	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3401	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2899	for @funs;	3402	for @funs;
2900	}	3403	}
2901		3404
…		…
2916		3419
2917	my $qcode = $code;	3420	my $qcode = $code;
2918	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3421	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2919	$qcode =~ s/\n/\\n/g;	3422	$qcode =~ s/\n/\\n/g;
2920		3423
		3424	%vars = (_dummy => 0) unless %vars;
		3425
		3426	my @res;
2921	local $_;	3427	local $_;
2922	local @safe::cf::_safe_eval_args = values %vars;
2923		3428
2924	my $eval =	3429	my $eval =
2925	"do {\n"	3430	"do {\n"
2926	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3431	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2927	. "#line 0 \"{$qcode}\"\n"	3432	. "#line 0 \"{$qcode}\"\n"
2928	. $code	3433	. $code
2929	. "\n}"	3434	. "\n}"
2930	;	3435	;
2931		3436
		3437	if ($CFG{safe_eval}) {
2932	sub_generation_inc;	3438	sub_generation_inc;
		3439	local @safe::cf::_safe_eval_args = values %vars;
2933	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3440	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2934	sub_generation_inc;	3441	sub_generation_inc;
		3442	} else {
		3443	local @cf::_safe_eval_args = values %vars;
		3444	@res = wantarray ? eval eval : scalar eval $eval;
		3445	}
2935		3446
2936	if ($@) {	3447	if ($@) {
2937	warn "$@";	3448	warn "$@",
2938	warn "while executing safe code '$code'\n";	3449	"while executing safe code '$code'\n",
2939	warn "with arguments " . (join " ", %vars) . "\n";	3450	"with arguments " . (join " ", %vars) . "\n";
2940	}	3451	}
2941		3452
2942	wantarray ? @res : $res[0]	3453	wantarray ? @res : $res[0]
2943	}	3454	}
2944		3455
…		…
2958	=cut	3469	=cut
2959		3470
2960	sub register_script_function {	3471	sub register_script_function {
2961	my ($fun, $cb) = @_;	3472	my ($fun, $cb) = @_;
2962		3473
2963	no strict 'refs';	3474	$fun = "safe::$fun" if $CFG{safe_eval};
2964	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3475	*$fun = $safe_hole->wrap ($cb);
2965	}	3476	}
2966		3477
2967	=back	3478	=back
2968		3479
2969	=cut	3480	=cut
…		…
2978	# for this (global event?)	3489	# for this (global event?)
2979	%ext::player_env::MUSIC_FACE_CACHE = ();	3490	%ext::player_env::MUSIC_FACE_CACHE = ();
2980		3491
2981	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3492	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2982		3493
2983	warn "loading facedata from $path\n";	3494	trace "loading facedata from $path\n";
2984		3495
2985	my $facedata;	3496	my $facedata = decode_storable load_file $path;
2986	0 < aio_load $path, $facedata
2987	or die "$path: $!";
2988
2989	$facedata = Coro::Storable::thaw $facedata;
2990		3497
2991	$facedata->{version} == 2	3498	$facedata->{version} == 2
2992	or cf::cleanup "$path: version mismatch, cannot proceed.";	3499	or cf::cleanup "$path: version mismatch, cannot proceed.";
2993		3500
2994	# patch in the exptable	3501	# patch in the exptable
		3502	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2995	$facedata->{resource}{"res/exp_table"} = {	3503	$facedata->{resource}{"res/exp_table"} = {
2996	type => FT_RSRC,	3504	type => FT_RSRC,
2997	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3505	data => $exp_table,
		3506	hash => (Digest::MD5::md5 $exp_table),
2998	};	3507	};
2999	cf::cede_to_tick;	3508	cf::cede_to_tick;
3000		3509
3001	{	3510	{
3002	my $faces = $facedata->{faceinfo};	3511	my $faces = $facedata->{faceinfo};
3003		3512
3004	while (my ($face, $info) = each %$faces) {	3513	while (my ($face, $info) = each %$faces) {
3005	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3514	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3515
3006	cf::face::set_visibility $idx, $info->{visibility};	3516	cf::face::set_visibility $idx, $info->{visibility};
3007	cf::face::set_magicmap $idx, $info->{magicmap};	3517	cf::face::set_magicmap $idx, $info->{magicmap};
3008	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3518	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3009	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3519	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3520	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3010		3521
3011	cf::cede_to_tick;	3522	cf::cede_to_tick;
3012	}	3523	}
3013		3524
3014	while (my ($face, $info) = each %$faces) {	3525	while (my ($face, $info) = each %$faces) {
3015	next unless $info->{smooth};	3526	next unless $info->{smooth};
		3527
3016	my $idx = cf::face::find $face	3528	my $idx = cf::face::find $face
3017	or next;	3529	or next;
		3530
3018	if (my $smooth = cf::face::find $info->{smooth}) {	3531	if (my $smooth = cf::face::find $info->{smooth}) {
3019	cf::face::set_smooth $idx, $smooth;	3532	cf::face::set_smooth $idx, $smooth;
3020	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3533	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3021	} else {	3534	} else {
3022	warn "smooth face '$info->{smooth}' not found for face '$face'";	3535	error "smooth face '$info->{smooth}' not found for face '$face'";
3023	}	3536	}
3024		3537
3025	cf::cede_to_tick;	3538	cf::cede_to_tick;
3026	}	3539	}
3027	}	3540	}
…		…
3036		3549
3037	cf::anim::invalidate_all; # d'oh	3550	cf::anim::invalidate_all; # d'oh
3038	}	3551	}
3039		3552
3040	{	3553	{
3041	# TODO: for gcfclient pleasure, we should give resources
3042	# that gcfclient doesn't grok a >10000 face index.
3043	my $res = $facedata->{resource};	3554	my $res = $facedata->{resource};
3044		3555
3045	my $soundconf = delete $res->{"res/sound.conf"};
3046
3047	while (my ($name, $info) = each %$res) {	3556	while (my ($name, $info) = each %$res) {
		3557	if (defined $info->{type}) {
3048	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3558	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3049	my $data;
3050		3559
3051	if ($info->{type} & 1) {	3560	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3052	# prepend meta info	3561	cf::face::set_type $idx, $info->{type};
3053
3054	my $meta = $enc->encode ({
3055	name => $name,
3056	%{ $info->{meta} || {} },
3057	});
3058
3059	$data = pack "(w/a*)*", $meta, $info->{data};
3060	} else {	3562	} else {
3061	$data = $info->{data};	3563	$RESOURCE{$name} = $info; # unused
3062	}	3564	}
3063		3565
3064	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3065	cf::face::set_type $idx, $info->{type};
3066
3067	cf::cede_to_tick;	3566	cf::cede_to_tick;
3068	}	3567	}
3069
3070	if ($soundconf) {
3071	$soundconf = $enc->decode (delete $soundconf->{data});
3072
3073	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3074	my $sound = $soundconf->{compat}[$_]
3075	or next;
3076
3077	my $face = cf::face::find "sound/$sound->[1]";
3078	cf::sound::set $sound->[0] => $face;
3079	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3080	}
3081
3082	while (my ($k, $v) = each %{$soundconf->{event}}) {
3083	my $face = cf::face::find "sound/$v";
3084	cf::sound::set $k => $face;
3085	}
3086	}
3087	}	3568	}
		3569
		3570	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3088		3571
3089	1	3572	1
3090	}	3573	}
3091		3574
3092	register_exticmd fx_want => sub {	3575	register_exticmd fx_want => sub {
…		…
3094		3577
3095	while (my ($k, $v) = each %$want) {	3578	while (my ($k, $v) = each %$want) {
3096	$ns->fx_want ($k, $v);	3579	$ns->fx_want ($k, $v);
3097	}	3580	}
3098	};	3581	};
		3582
		3583	sub load_resource_file($) {
		3584	my $guard = lock_acquire "load_resource_file";
		3585
		3586	my $status = load_resource_file_ $_[0];
		3587	get_slot 0.1, 100;
		3588	cf::arch::commit_load;
		3589
		3590	$status
		3591	}
3099		3592
3100	sub reload_regions {	3593	sub reload_regions {
3101	# HACK to clear player env face cache, we need some signal framework	3594	# HACK to clear player env face cache, we need some signal framework
3102	# for this (global event?)	3595	# for this (global event?)
3103	%ext::player_env::MUSIC_FACE_CACHE = ();	3596	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3117	}	3610	}
3118		3611
3119	sub reload_archetypes {	3612	sub reload_archetypes {
3120	load_resource_file "$DATADIR/archetypes"	3613	load_resource_file "$DATADIR/archetypes"
3121	or die "unable to load archetypes\n";	3614	or die "unable to load archetypes\n";
3122	#d# NEED to laod twice to resolve forward references
3123	# this really needs to be done in an extra post-pass
3124	# (which needs to be synchronous, so solve it differently)
3125	load_resource_file "$DATADIR/archetypes"
3126	or die "unable to load archetypes\n";
3127	}	3615	}
3128		3616
3129	sub reload_treasures {	3617	sub reload_treasures {
3130	load_resource_file "$DATADIR/treasures"	3618	load_resource_file "$DATADIR/treasures"
3131	or die "unable to load treasurelists\n";	3619	or die "unable to load treasurelists\n";
3132	}	3620	}
3133		3621
		3622	sub reload_sound {
		3623	trace "loading sound config from $DATADIR/sound\n";
		3624
		3625	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3626
		3627	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3628	my $sound = $soundconf->{compat}[$_]
		3629	or next;
		3630
		3631	my $face = cf::face::find "sound/$sound->[1]";
		3632	cf::sound::set $sound->[0] => $face;
		3633	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3634	}
		3635
		3636	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3637	my $face = cf::face::find "sound/$v";
		3638	cf::sound::set $k => $face;
		3639	}
		3640	}
		3641
3134	sub reload_resources {	3642	sub reload_resources {
3135	warn "reloading resource files...\n";	3643	trace "reloading resource files...\n";
3136		3644
		3645	reload_exp_table;
		3646	reload_materials;
		3647	reload_facedata;
		3648	reload_sound;
		3649	reload_archetypes;
3137	reload_regions;	3650	reload_regions;
3138	reload_facedata;
3139	#reload_archetypes;#d#
3140	reload_archetypes;
3141	reload_treasures;	3651	reload_treasures;
3142		3652
3143	warn "finished reloading resource files\n";	3653	trace "finished reloading resource files\n";
3144	}
3145
3146	sub init {
3147	reload_resources;
3148	}	3654	}
3149		3655
3150	sub reload_config {	3656	sub reload_config {
3151	open my $fh, "<:utf8", "$CONFDIR/config"	3657	trace "reloading config file...\n";
3152	or return;
3153		3658
3154	local $/;	3659	my $config = load_file "$CONFDIR/config";
3155	*CFG = YAML::Syck::Load <$fh>;	3660	utf8::decode $config;
		3661	*CFG = decode_yaml $config;
3156		3662
3157	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3663	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3158		3664
3159	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3665	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3160	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3666	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3161		3667
3162	if (exists $CFG{mlockall}) {	3668	if (exists $CFG{mlockall}) {
…		…
3166	};	3672	};
3167	warn $@ if $@;	3673	warn $@ if $@;
3168	}	3674	}
3169	}	3675	}
3170		3676
		3677	sub pidfile() {
		3678	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3679	or die "$PIDFILE: $!";
		3680	flock $fh, &Fcntl::LOCK_EX
		3681	or die "$PIDFILE: flock: $!";
		3682	$fh
		3683	}
		3684
		3685	# make sure only one server instance is running at any one time
		3686	sub atomic {
		3687	my $fh = pidfile;
		3688
		3689	my $pid = <$fh>;
		3690	kill 9, $pid if $pid > 0;
		3691
		3692	seek $fh, 0, 0;
		3693	print $fh $$;
		3694	}
		3695
		3696	sub main_loop {
		3697	trace "EV::loop starting\n";
		3698	if (1) {
		3699	EV::loop;
		3700	}
		3701	trace "EV::loop returned\n";
		3702	goto &main_loop unless $REALLY_UNLOOP;
		3703	}
		3704
3171	sub main {	3705	sub main {
		3706	cf::init_globals; # initialise logging
		3707
		3708	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3709	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3710	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3711	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3712
		3713	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3714
3172	# we must not ever block the main coroutine	3715	# we must not ever block the main coroutine
3173	local $Coro::idle = sub {	3716	local $Coro::idle = sub {
3174	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3717	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3175	(async {	3718	(async {
3176	Event::one_event;	3719	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3720	EV::loop EV::LOOP_ONESHOT;
3177	})->prio (Coro::PRIO_MAX);	3721	})->prio (Coro::PRIO_MAX);
3178	};	3722	};
3179		3723
		3724	evthread_start IO::AIO::poll_fileno;
		3725
		3726	cf::sync_job {
		3727	cf::incloader::init ();
		3728
		3729	cf::init_anim;
		3730	cf::init_attackmess;
		3731	cf::init_dynamic;
		3732
		3733	cf::load_settings;
		3734
		3735	reload_resources;
3180	reload_config;	3736	reload_config;
3181	db_init;	3737	db_init;
		3738
		3739	cf::init_uuid;
		3740	cf::init_signals;
		3741	cf::init_skills;
		3742
		3743	cf::init_beforeplay;
		3744
		3745	atomic;
		3746
3182	load_extensions;	3747	load_extensions;
3183		3748
3184	$TICK_WATCHER->start;	3749	utime time, time, $RUNTIMEFILE;
3185	Event::loop;	3750
		3751	# no (long-running) fork's whatsoever before this point(!)
		3752	use POSIX ();
		3753	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3754
		3755	cf::_post_init 0;
		3756	};
		3757
		3758	cf::object::thawer::errors_are_fatal 0;
		3759	info "parse errors in files are no longer fatal from this point on.\n";
		3760
		3761	my $free_main; $free_main = EV::idle sub {
		3762	undef $free_main;
		3763	undef &main; # free gobs of memory :)
		3764	};
		3765
		3766	goto &main_loop;
3186	}	3767	}
3187		3768
3188	#############################################################################	3769	#############################################################################
3189	# initialisation and cleanup	3770	# initialisation and cleanup
3190		3771
3191	# install some emergency cleanup handlers	3772	# install some emergency cleanup handlers
3192	BEGIN {	3773	BEGIN {
		3774	our %SIGWATCHER = ();
3193	for my $signal (qw(INT HUP TERM)) {	3775	for my $signal (qw(INT HUP TERM)) {
3194	Event->signal (	3776	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3195	reentrant => 0,
3196	data => WF_AUTOCANCEL,
3197	signal => $signal,
3198	prio => 0,
3199	cb => sub {
3200	cf::cleanup "SIG$signal";	3777	cf::cleanup "SIG$signal";
3201	},
3202	);	3778	};
3203	}	3779	}
3204	}	3780	}
3205		3781
3206	sub write_runtime {	3782	sub write_runtime_sync {
3207	my $runtime = "$LOCALDIR/runtime";	3783	my $t0 = AE::time;
3208		3784
3209	# first touch the runtime file to show we are still running:	3785	# first touch the runtime file to show we are still running:
3210	# the fsync below can take a very very long time.	3786	# the fsync below can take a very very long time.
3211		3787
3212	IO::AIO::aio_utime $runtime, undef, undef;	3788	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3213		3789
3214	my $guard = cf::lock_acquire "write_runtime";	3790	my $guard = cf::lock_acquire "write_runtime";
3215		3791
3216	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3792	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3217	or return;	3793	or return;
3218		3794
3219	my $value = $cf::RUNTIME + 90 + 10;	3795	my $value = $cf::RUNTIME + 90 + 10;
3220	# 10 is the runtime save interval, for a monotonic clock	3796	# 10 is the runtime save interval, for a monotonic clock
3221	# 60 allows for the watchdog to kill the server.	3797	# 60 allows for the watchdog to kill the server.
…		…
3231	aio_utime $fh, undef, undef;	3807	aio_utime $fh, undef, undef;
3232		3808
3233	close $fh	3809	close $fh
3234	or return;	3810	or return;
3235		3811
3236	aio_rename "$runtime~", $runtime	3812	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3237	and return;	3813	and return;
3238		3814
3239	warn "runtime file written.\n";	3815	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3240		3816
3241	1	3817	1
		3818	}
		3819
		3820	our $uuid_lock;
		3821	our $uuid_skip;
		3822
		3823	sub write_uuid_sync($) {
		3824	$uuid_skip ||= $_[0];
		3825
		3826	return if $uuid_lock;
		3827	local $uuid_lock = 1;
		3828
		3829	my $uuid = "$LOCALDIR/uuid";
		3830
		3831	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3832	or return;
		3833
		3834	my $value = uuid_seq uuid_cur;
		3835
		3836	unless ($value) {
		3837	info "cowardly refusing to write zero uuid value!\n";
		3838	return;
		3839	}
		3840
		3841	my $value = uuid_str $value + $uuid_skip;
		3842	$uuid_skip = 0;
		3843
		3844	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3845	and return;
		3846
		3847	# always fsync - this file is important
		3848	aio_fsync $fh
		3849	and return;
		3850
		3851	close $fh
		3852	or return;
		3853
		3854	aio_rename "$uuid~", $uuid
		3855	and return;
		3856
		3857	trace "uuid file written ($value).\n";
		3858
		3859	1
		3860
		3861	}
		3862
		3863	sub write_uuid($$) {
		3864	my ($skip, $sync) = @_;
		3865
		3866	$sync ? write_uuid_sync $skip
		3867	: async { write_uuid_sync $skip };
3242	}	3868	}
3243		3869
3244	sub emergency_save() {	3870	sub emergency_save() {
3245	my $freeze_guard = cf::freeze_mainloop;	3871	my $freeze_guard = cf::freeze_mainloop;
3246		3872
3247	warn "enter emergency perl save\n";	3873	info "emergency_perl_save: enter\n";
		3874
		3875	# this is a trade-off: we want to be very quick here, so
		3876	# save all maps without fsync, and later call a global sync
		3877	# (which in turn might be very very slow)
		3878	local $USE_FSYNC = 0;
3248		3879
3249	cf::sync_job {	3880	cf::sync_job {
		3881	cf::write_runtime_sync; # external watchdog should not bark
		3882
3250	# use a peculiar iteration method to avoid tripping on perl	3883	# use a peculiar iteration method to avoid tripping on perl
3251	# refcount bugs in for. also avoids problems with players	3884	# refcount bugs in for. also avoids problems with players
3252	# and maps saved/destroyed asynchronously.	3885	# and maps saved/destroyed asynchronously.
3253	warn "begin emergency player save\n";	3886	info "emergency_perl_save: begin player save\n";
3254	for my $login (keys %cf::PLAYER) {	3887	for my $login (keys %cf::PLAYER) {
3255	my $pl = $cf::PLAYER{$login} or next;	3888	my $pl = $cf::PLAYER{$login} or next;
3256	$pl->valid or next;	3889	$pl->valid or next;
		3890	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3257	$pl->save;	3891	$pl->save;
3258	}	3892	}
3259	warn "end emergency player save\n";	3893	info "emergency_perl_save: end player save\n";
3260		3894
3261	warn "begin emergency map save\n";	3895	cf::write_runtime_sync; # external watchdog should not bark
		3896
		3897	info "emergency_perl_save: begin map save\n";
3262	for my $path (keys %cf::MAP) {	3898	for my $path (keys %cf::MAP) {
3263	my $map = $cf::MAP{$path} or next;	3899	my $map = $cf::MAP{$path} or next;
3264	$map->valid or next;	3900	$map->valid or next;
3265	$map->save;	3901	$map->save;
3266	}	3902	}
3267	warn "end emergency map save\n";	3903	info "emergency_perl_save: end map save\n";
3268		3904
3269	warn "begin emergency database checkpoint\n";	3905	cf::write_runtime_sync; # external watchdog should not bark
		3906
		3907	info "emergency_perl_save: begin database checkpoint\n";
3270	BDB::db_env_txn_checkpoint $DB_ENV;	3908	BDB::db_env_txn_checkpoint $DB_ENV;
3271	warn "end emergency database checkpoint\n";	3909	info "emergency_perl_save: end database checkpoint\n";
		3910
		3911	info "emergency_perl_save: begin write uuid\n";
		3912	write_uuid_sync 1;
		3913	info "emergency_perl_save: end write uuid\n";
		3914
		3915	cf::write_runtime_sync; # external watchdog should not bark
		3916
		3917	trace "emergency_perl_save: syncing database to disk";
		3918	BDB::db_env_txn_checkpoint $DB_ENV;
		3919
		3920	info "emergency_perl_save: starting sync\n";
		3921	IO::AIO::aio_sync sub {
		3922	info "emergency_perl_save: finished sync\n";
		3923	};
		3924
		3925	cf::write_runtime_sync; # external watchdog should not bark
		3926
		3927	trace "emergency_perl_save: flushing outstanding aio requests";
		3928	while (IO::AIO::nreqs || BDB::nreqs) {
		3929	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3930	}
		3931
		3932	cf::write_runtime_sync; # external watchdog should not bark
3272	};	3933	};
3273		3934
3274	warn "leave emergency perl save\n";	3935	info "emergency_perl_save: leave\n";
3275	}	3936	}
3276		3937
3277	sub post_cleanup {	3938	sub post_cleanup {
3278	my ($make_core) = @_;	3939	my ($make_core) = @_;
3279		3940
		3941	IO::AIO::flush;
		3942
3280	warn Carp::longmess "post_cleanup backtrace"	3943	error Carp::longmess "post_cleanup backtrace"
3281	if $make_core;	3944	if $make_core;
		3945
		3946	my $fh = pidfile;
		3947	unlink $PIDFILE if <$fh> == $$;
		3948	}
		3949
		3950	# a safer delete_package, copied from Symbol
		3951	sub clear_package($) {
		3952	my $pkg = shift;
		3953
		3954	# expand to full symbol table name if needed
		3955	unless ($pkg =~ /^main::.*::$/) {
		3956	$pkg = "main$pkg" if $pkg =~ /^::/;
		3957	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3958	$pkg .= '::' unless $pkg =~ /::$/;
		3959	}
		3960
		3961	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3962	my $stem_symtab = *{$stem}{HASH};
		3963
		3964	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3965	or return;
		3966
		3967	# clear all symbols
		3968	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3969	for my $name (keys %$leaf_symtab) {
		3970	_gv_clear *{"$pkg$name"};
		3971	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3972	}
3282	}	3973	}
3283		3974
3284	sub do_reload_perl() {	3975	sub do_reload_perl() {
3285	# can/must only be called in main	3976	# can/must only be called in main
3286	if ($Coro::current != $Coro::main) {	3977	unless (in_main) {
3287	warn "can only reload from main coroutine";	3978	error "can only reload from main coroutine";
3288	return;	3979	return;
3289	}	3980	}
3290		3981
3291	warn "reloading...";	3982	return if $RELOAD++;
3292		3983
3293	warn "entering sync_job";	3984	my $t1 = AE::time;
3294		3985
		3986	while ($RELOAD) {
		3987	cf::get_slot 0.1, -1, "reload_perl";
		3988	info "perl_reload: reloading...";
		3989
		3990	trace "perl_reload: entering sync_job";
		3991
3295	cf::sync_job {	3992	cf::sync_job {
3296	cf::write_runtime; # external watchdog should not bark
3297	cf::emergency_save;	3993	#cf::emergency_save;
3298	cf::write_runtime; # external watchdog should not bark
3299		3994
3300	warn "syncing database to disk";
3301	BDB::db_env_txn_checkpoint $DB_ENV;
3302
3303	# if anything goes wrong in here, we should simply crash as we already saved
3304
3305	warn "cancelling all WF_AUTOCANCEL watchers";
3306	for (Event::all_watchers) {
3307	$_->cancel if $_->data & WF_AUTOCANCEL;
3308	}
3309
3310	warn "flushing outstanding aio requests";
3311	for (;;) {
3312	BDB::flush;
3313	IO::AIO::flush;
3314	Coro::cede;
3315	last unless IO::AIO::nreqs || BDB::nreqs;
3316	warn "iterate...";
3317	}
3318
3319	++$RELOAD;
3320
3321	warn "cancelling all extension coros";	3995	trace "perl_reload: cancelling all extension coros";
3322	$_->cancel for values %EXT_CORO;	3996	$_->cancel for values %EXT_CORO;
3323	%EXT_CORO = ();	3997	%EXT_CORO = ();
3324		3998
3325	warn "removing commands";	3999	trace "perl_reload: removing commands";
3326	%COMMAND = ();	4000	%COMMAND = ();
3327		4001
3328	warn "removing ext/exti commands";	4002	trace "perl_reload: removing ext/exti commands";
3329	%EXTCMD = ();	4003	%EXTCMD = ();
3330	%EXTICMD = ();	4004	%EXTICMD = ();
3331		4005
3332	warn "unloading/nuking all extensions";	4006	trace "perl_reload: unloading/nuking all extensions";
3333	for my $pkg (@EXTS) {	4007	for my $pkg (@EXTS) {
3334	warn "... unloading $pkg";	4008	trace "... unloading $pkg";
3335		4009
3336	if (my $cb = $pkg->can ("unload")) {	4010	if (my $cb = $pkg->can ("unload")) {
3337	eval {	4011	eval {
3338	$cb->($pkg);	4012	$cb->($pkg);
3339	1	4013	1
3340	} or warn "$pkg unloaded, but with errors: $@";	4014	} or error "$pkg unloaded, but with errors: $@";
		4015	}
		4016
		4017	trace "... clearing $pkg";
		4018	clear_package $pkg;
3341	}	4019	}
3342		4020
3343	warn "... nuking $pkg";
3344	Symbol::delete_package $pkg;
3345	}
3346
3347	warn "unloading all perl modules loaded from $LIBDIR";	4021	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3348	while (my ($k, $v) = each %INC) {	4022	while (my ($k, $v) = each %INC) {
3349	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4023	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3350		4024
3351	warn "... unloading $k";	4025	trace "... unloading $k";
3352	delete $INC{$k};	4026	delete $INC{$k};
3353		4027
3354	$k =~ s/\.pm$//;	4028	$k =~ s/\.pm$//;
3355	$k =~ s/\//::/g;	4029	$k =~ s/\//::/g;
3356		4030
3357	if (my $cb = $k->can ("unload_module")) {	4031	if (my $cb = $k->can ("unload_module")) {
3358	$cb->();	4032	$cb->();
		4033	}
		4034
		4035	clear_package $k;
3359	}	4036	}
3360		4037
3361	Symbol::delete_package $k;
3362	}
3363
3364	warn "getting rid of safe::, as good as possible";	4038	trace "perl_reload: getting rid of safe::, as good as possible";
3365	Symbol::delete_package "safe::$_"	4039	clear_package "safe::$_"
3366	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4040	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3367		4041
3368	warn "unloading cf.pm \"a bit\"";	4042	trace "perl_reload: unloading cf.pm \"a bit\"";
3369	delete $INC{"cf.pm"};	4043	delete $INC{"cf.pm"};
3370	delete $INC{"cf/pod.pm"};	4044	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3371		4045
3372	# don't, removes xs symbols, too,	4046	# don't, removes xs symbols, too,
3373	# and global variables created in xs	4047	# and global variables created in xs
3374	#Symbol::delete_package __PACKAGE__;	4048	#clear_package __PACKAGE__;
3375		4049
3376	warn "unload completed, starting to reload now";	4050	info "perl_reload: unload completed, starting to reload now";
3377		4051
3378	warn "reloading cf.pm";	4052	trace "perl_reload: reloading cf.pm";
3379	require cf;	4053	require cf;
3380	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4054	cf::_connect_to_perl_1;
3381		4055
3382	warn "loading config and database again";	4056	trace "perl_reload: loading config and database again";
3383	cf::reload_config;	4057	cf::reload_config;
3384		4058
3385	warn "loading extensions";	4059	trace "perl_reload: loading extensions";
3386	cf::load_extensions;	4060	cf::load_extensions;
3387		4061
		4062	if ($REATTACH_ON_RELOAD) {
3388	warn "reattaching attachments to objects/players";	4063	trace "perl_reload: reattaching attachments to objects/players";
3389	_global_reattach; # objects, sockets	4064	_global_reattach; # objects, sockets
3390	warn "reattaching attachments to maps";	4065	trace "perl_reload: reattaching attachments to maps";
3391	reattach $_ for values %MAP;	4066	reattach $_ for values %MAP;
3392	warn "reattaching attachments to players";	4067	trace "perl_reload: reattaching attachments to players";
3393	reattach $_ for values %PLAYER;	4068	reattach $_ for values %PLAYER;
		4069	}
3394		4070
3395	warn "leaving sync_job";	4071	cf::_post_init 1;
3396		4072
		4073	trace "perl_reload: leaving sync_job";
		4074
3397	1	4075	1
3398	} or do {	4076	} or do {
3399	warn $@;	4077	error $@;
3400	warn "error while reloading, exiting.";	4078	cf::cleanup "perl_reload: error, exiting.";
3401	exit 1;	4079	};
		4080
		4081	--$RELOAD;
3402	};	4082	}
3403		4083
3404	warn "reloaded";	4084	$t1 = AE::time - $t1;
		4085	info "perl_reload: completed in ${t1}s\n";
3405	};	4086	};
3406		4087
3407	our $RELOAD_WATCHER; # used only during reload	4088	our $RELOAD_WATCHER; # used only during reload
3408		4089
3409	sub reload_perl() {	4090	sub reload_perl() {
3410	# doing reload synchronously and two reloads happen back-to-back,	4091	# doing reload synchronously and two reloads happen back-to-back,
3411	# coro crashes during coro_state_free->destroy here.	4092	# coro crashes during coro_state_free->destroy here.
3412		4093
3413	$RELOAD_WATCHER ||= Event->timer (	4094	$RELOAD_WATCHER ||= cf::async {
3414	reentrant => 0,	4095	Coro::AIO::aio_wait cache_extensions;
3415	after => 0,	4096
3416	data => WF_AUTOCANCEL,	4097	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3417	cb => sub {
3418	do_reload_perl;	4098	do_reload_perl;
3419	undef $RELOAD_WATCHER;	4099	undef $RELOAD_WATCHER;
3420	},	4100	};
3421	);	4101	};
3422	}	4102	}
3423		4103
3424	register_command "reload" => sub {	4104	register_command "reload" => sub {
3425	my ($who, $arg) = @_;	4105	my ($who, $arg) = @_;
3426		4106
3427	if ($who->flag (FLAG_WIZ)) {	4107	if ($who->flag (FLAG_WIZ)) {
3428	$who->message ("reloading server.");	4108	$who->message ("reloading server.");
		4109	async {
		4110	$Coro::current->{desc} = "perl_reload";
3429	async { reload_perl };	4111	reload_perl;
		4112	};
3430	}	4113	}
3431	};	4114	};
3432		4115
3433	unshift @INC, $LIBDIR;	4116	#############################################################################
3434		4117
3435	my $bug_warning = 0;	4118	my $bug_warning = 0;
3436		4119
3437	our @WAIT_FOR_TICK;
3438	our @WAIT_FOR_TICK_BEGIN;
3439
3440	sub wait_for_tick {	4120	sub wait_for_tick() {
3441	return unless $TICK_WATCHER->is_active;	4121	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3442	return if $Coro::current == $Coro::main;
3443		4122
3444	my $signal = new Coro::Signal;	4123	$WAIT_FOR_TICK->wait;
3445	push @WAIT_FOR_TICK, $signal;
3446	$signal->wait;
3447	}	4124	}
3448		4125
3449	sub wait_for_tick_begin {	4126	sub wait_for_tick_begin() {
3450	return unless $TICK_WATCHER->is_active;	4127	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3451	return if $Coro::current == $Coro::main;
3452		4128
3453	my $signal = new Coro::Signal;	4129	my $signal = new Coro::Signal;
3454	push @WAIT_FOR_TICK_BEGIN, $signal;	4130	push @WAIT_FOR_TICK_BEGIN, $signal;
3455	$signal->wait;	4131	$signal->wait;
3456	}	4132	}
3457		4133
3458	our $stat_fh;	4134	sub tick {
3459	sysopen $stat_fh, "/tmp/cfstats", Fcntl::O_APPEND | Fcntl::O_CREAT | Fcntl::O_WRONLY, 0600;#d#
3460
3461	$TICK_WATCHER = Event->timer (
3462	reentrant => 0,
3463	parked => 1,
3464	prio => 0,
3465	at => $NEXT_TICK || $TICK,
3466	data => WF_AUTOCANCEL,
3467	cb => sub {
3468	if ($Coro::current != $Coro::main) {	4135	if ($Coro::current != $Coro::main) {
3469	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4136	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3470	unless ++$bug_warning > 10;	4137	unless ++$bug_warning > 10;
3471	return;	4138	return;
3472	}	4139	}
3473		4140
3474	my @pl = cf::player::list; my $stats = sprintf "%.2f %d %d %d", $RUNTIME, (scalar @pl), cf::object::actives_size, cf::object::objects_size; #d#	4141	cf::one_tick; # one server iteration
3475		4142
3476	$NOW = $tick_start = Event::time;	4143	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3477		4144
3478	cf::server_tick; # one server iteration
3479
3480	$RUNTIME += $TICK;
3481	$NEXT_TICK += $TICK;
3482
3483	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4145	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3484	$NEXT_RUNTIME_WRITE = $NOW + 10;	4146	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3485	Coro::async_pool {	4147	Coro::async_pool {
		4148	$Coro::current->{desc} = "runtime saver";
3486	write_runtime	4149	write_runtime_sync
3487	or warn "ERROR: unable to write runtime file: $!";	4150	or error "ERROR: unable to write runtime file: $!";
3488	};
3489	}	4151	};
		4152	}
3490		4153
3491	# my $AFTER = Event::time;
3492	# warn $AFTER - $NOW;#d#
3493
3494	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4154	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3495	$sig->send;	4155	$sig->send;
3496	}	4156	}
3497	while (my $sig = shift @WAIT_FOR_TICK) {	4157	$WAIT_FOR_TICK->broadcast;
3498	$sig->send;
3499	}
3500		4158
3501	$NOW = Event::time;	4159	$LOAD = ($NOW - $TICK_START) / $TICK;
3502
3503	# if we are delayed by four ticks or more, skip them all
3504	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3505
3506	$TICK_WATCHER->at ($NEXT_TICK);
3507	$TICK_WATCHER->start;
3508
3509	$LOAD = ($NOW - $tick_start) / $TICK;
3510	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4160	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3511		4161
3512	_post_tick;	4162	if (0) {
3513		4163	if ($NEXT_TICK) {
3514	# gather some statistics#d#	4164	my $jitter = $TICK_START - $NEXT_TICK;
3515	$stats .= sprintf " %d\n", 10000 * ($NOW - $tick_start);#d#	4165	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3516	IO::AIO::aio_write $stat_fh, undef, undef, $stats, 0;#d#	4166	debug "jitter $JITTER\n";#d#
		4167	}
3517	},	4168	}
3518	);	4169	}
3519		4170
3520	{	4171	{
		4172	# configure BDB
		4173
3521	BDB::min_parallel 8;	4174	BDB::min_parallel 16;
3522	BDB::max_poll_time $TICK * 0.1;	4175	BDB::max_poll_reqs $TICK * 0.1;
3523	$BDB_POLL_WATCHER = Event->io (	4176	$AnyEvent::BDB::WATCHER->priority (1);
3524	reentrant => 0,
3525	fd => BDB::poll_fileno,
3526	poll => 'r',
3527	prio => 0,
3528	data => WF_AUTOCANCEL,
3529	cb => \&BDB::poll_cb,
3530	);
3531
3532	BDB::set_sync_prepare {
3533	my $status;
3534	my $current = $Coro::current;
3535	(
3536	sub {
3537	$status = $!;
3538	$current->ready; undef $current;
3539	},
3540	sub {
3541	Coro::schedule while defined $current;
3542	$! = $status;
3543	},
3544	)
3545	};
3546		4177
3547	unless ($DB_ENV) {	4178	unless ($DB_ENV) {
3548	$DB_ENV = BDB::db_env_create;	4179	$DB_ENV = BDB::db_env_create;
		4180	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4181	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4182	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4183	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4184	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3549		4185
3550	cf::sync_job {	4186	cf::sync_job {
3551	eval {	4187	eval {
3552	BDB::db_env_open	4188	BDB::db_env_open
3553	$DB_ENV,	4189	$DB_ENV,
…		…
3555	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4191	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3556	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4192	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3557	0666;	4193	0666;
3558		4194
3559	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4195	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3560
3561	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3562	| BDB::LOG_AUTOREMOVE, 1);
3563	$DB_ENV->set_lk_detect;
3564	};	4196	};
3565		4197
3566	cf::cleanup "db_env_open(db): $@" if $@;	4198	cf::cleanup "db_env_open(db): $@" if $@;
3567	};	4199	};
3568	}	4200	}
3569		4201
3570	$BDB_CHECKPOINT_WATCHER = Event->timer (	4202	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3571	after => 11,	4203	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3572	interval => 60,	4204	};
3573	hard => 1,	4205	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3574	prio => 0,
3575	data => WF_AUTOCANCEL,
3576	cb => sub {
3577	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4206	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3578	},
3579	);	4207	};
3580	$BDB_TRICKLE_WATCHER = Event->timer (	4208	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3581	after => 5,
3582	interval => 10,
3583	hard => 1,
3584	prio => 0,
3585	data => WF_AUTOCANCEL,
3586	cb => sub {
3587	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4209	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3588	},
3589	);	4210	};
3590	}	4211	}
3591		4212
3592	{	4213	{
		4214	# configure IO::AIO
		4215
3593	IO::AIO::min_parallel 8;	4216	IO::AIO::min_parallel 8;
3594
3595	undef $Coro::AIO::WATCHER;
3596	IO::AIO::max_poll_time $TICK * 0.1;	4217	IO::AIO::max_poll_time $TICK * 0.1;
3597	$AIO_POLL_WATCHER = Event->io (	4218	undef $AnyEvent::AIO::WATCHER;
3598	reentrant => 0,
3599	data => WF_AUTOCANCEL,
3600	fd => IO::AIO::poll_fileno,
3601	poll => 'r',
3602	prio => 6,
3603	cb => \&IO::AIO::poll_cb,
3604	);
3605	}	4219	}
3606		4220
3607	my $_log_backtrace;	4221	our $_log_backtrace;
		4222	our $_log_backtrace_last;
3608		4223
3609	sub _log_backtrace {	4224	sub _log_backtrace {
3610	my ($msg, @addr) = @_;	4225	my ($msg, @addr) = @_;
3611		4226
3612	$msg =~ s/\n//;	4227	$msg =~ s/\n$//;
3613		4228
		4229	if ($_log_backtrace_last eq $msg) {
		4230	LOG llevInfo, "[ABT] $msg\n";
		4231	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3614	# limit the # of concurrent backtraces	4232	# limit the # of concurrent backtraces
3615	if ($_log_backtrace < 2) {	4233	} elsif ($_log_backtrace < 2) {
		4234	$_log_backtrace_last = $msg;
3616	++$_log_backtrace;	4235	++$_log_backtrace;
		4236	my $perl_bt = Carp::longmess $msg;
3617	async {	4237	async {
		4238	$Coro::current->{desc} = "abt $msg";
		4239
3618	my @bt = fork_call {	4240	my @bt = fork_call {
3619	@addr = map { sprintf "%x", $_ } @addr;	4241	@addr = map { sprintf "%x", $_ } @addr;
3620	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4242	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3621	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4243	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3622	or die "addr2line: $!";	4244	or die "addr2line: $!";
…		…
3630	}	4252	}
3631		4253
3632	@funcs	4254	@funcs
3633	};	4255	};
3634		4256
3635	LOG llevInfo, "[ABT] $msg\n";	4257	LOG llevInfo, "[ABT] $perl_bt\n";
		4258	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3636	LOG llevInfo, "[ABT] $_\n" for @bt;	4259	LOG llevInfo, "[ABT] $_\n" for @bt;
3637	--$_log_backtrace;	4260	--$_log_backtrace;
3638	};	4261	};
3639	} else {	4262	} else {
3640	LOG llevInfo, "[ABT] $msg\n";	4263	LOG llevInfo, "[ABT] $msg\n";
3641	LOG llevInfo, "[ABT] [suppressed]\n";	4264	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3642	}	4265	}
3643	}	4266	}
3644		4267
3645	# load additional modules	4268	# load additional modules
3646	use cf::pod;	4269	require "cf/$_.pm" for @EXTRA_MODULES;
		4270	cf::_connect_to_perl_2;
3647		4271
3648	END { cf::emergency_save }	4272	END { cf::emergency_save }
3649		4273
3650	1	4274	1
3651		4275

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