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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.352 by root, Sun Sep 2 04:57:14 2007 UTC vs.
Revision 1.571 by root, Wed May 4 19:04:45 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.64 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.32 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		75
43	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
44		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		78
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
54		85
55	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
65	our $DATADIR = datadir;	99	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
69	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
75		120
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	123	our $NEXT_TICK;
		124	our $USE_FSYNC = 1; # use fsync to write maps - default on
		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
		128	our $BDB_TRICKLE_WATCHER;
		129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
		133	our %CFG;
		134
		135	our $UPTIME; $UPTIME ||= time;
		136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
81	our $NOW;	138	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		139
84	our $BDB_POLL_WATCHER;	140	our (%PLAYER, %PLAYER_LOADING); # all users
85	our $DB_ENV;	141	our (%MAP, %MAP_LOADING ); # all maps
86
87	our %CFG;
88
89	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;
91
92	our %PLAYER; # all users
93	our %MAP; # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
95		143
96	# used to convert map paths into valid unix filenames by replacing / by ∕	144	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		146
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	147	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	150	our $TICK_START; # for load detecting purposes
		151
		152	our @POST_INIT;
		153
		154	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		155	our $REALLY_UNLOOP; # never set to true, please :)
		156
		157	our $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
102		159
103	binmode STDOUT;	160	binmode STDOUT;
104	binmode STDERR;	161	binmode STDERR;
105		162
106	# read virtual server time, if available	163	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
111	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
112		171
113	mkdir $_	172	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		174
116	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
117		176
118	sub cf::map::normalise;	177	sub cf::map::normalise;
119		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
120	#############################################################################	183	#############################################################################
121		184
		185	%REFLECT = ();
		186	for (@REFLECT) {
		187	my $reflect = JSON::XS::decode_json $_;
		188	$REFLECT{$reflect->{class}} = $reflect;
		189	}
		190
		191	# this is decidedly evil
		192	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		193
		194	#############################################################################
		195
122	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
123		197
124	=over 4	198	=over 4
125		199
126	=item $cf::UPTIME	200	=item $cf::UPTIME
127		201
128	The timestamp of the server start (so not actually an uptime).	202	The timestamp of the server start (so not actually an "uptime").
		203
		204	=item $cf::SERVER_TICK
		205
		206	An unsigned integer that starts at zero when the server is started and is
		207	incremented on every tick.
		208
		209	=item $cf::NOW
		210
		211	The (real) time of the last (current) server tick - updated before and
		212	after tick processing, so this is useful only as a rough "what time is it
		213	now" estimate.
		214
		215	=item $cf::TICK
		216
		217	The interval between each server tick, in seconds.
129		218
130	=item $cf::RUNTIME	219	=item $cf::RUNTIME
131		220
132	The time this server has run, starts at 0 and is increased by $cf::TICK on	221	The time this server has run, starts at 0 and is increased by $cf::TICK on
133	every server tick.	222	every server tick.
…		…
139	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
141	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
142	database environment.	231	database environment.
143		232
144	=item $cf::NOW
145
146	The time of the last (current) server tick.
147
148	=item $cf::TICK
149
150	The interval between server ticks, in seconds.
151
152	=item $cf::LOADAVG	233	=item $cf::LOADAVG
153		234
154	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
155	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
156	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
159		240
160	The raw value load value from the last tick.	241	The raw value load value from the last tick.
161		242
162	=item %cf::CFG	243	=item %cf::CFG
163		244
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	246	from wherever your confdir points to.
166		247
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		249
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
170	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
172		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$cf::WAIT_FOR_TICK>).
		258
		259	=item $cf::WAIT_FOR_TICK
		260
		261	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		262	variable contains a L<Coro::Signal> that is broadcats after every server
		263	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		264	next server tick.
		265
		266	=cut
		267
		268	sub wait_for_tick();
		269	sub wait_for_tick_begin();
		270
173	=item @cf::INVOKE_RESULTS	271	=item @cf::INVOKE_RESULTS
174		272
175	This array contains the results of the last C<invoke ()> call. When	273	This array contains the results of the last C<invoke ()> call. When
176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	274	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	275	that call.
178		276
		277	=item %cf::REFLECT
		278
		279	Contains, for each (C++) class name, a hash reference with information
		280	about object members (methods, scalars, arrays and flags) and other
		281	metadata, which is useful for introspection.
		282
179	=back	283	=back
180		284
181	=cut	285	=cut
182		286
183	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
184	*CORE::GLOBAL::warn = sub {	288	sub warn (@) { LOG llevWarn , join "", @_ }
		289	sub info (@) { LOG llevInfo , join "", @_ }
		290	sub debug(@) { LOG llevDebug, join "", @_ }
		291	sub trace(@) { LOG llevTrace, join "", @_ }
		292
		293	$Coro::State::WARNHOOK = sub {
185	my $msg = join "", @_;	294	my $msg = join "", @_;
186		295
187	$msg .= "\n"	296	$msg .= "\n"
188	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
189		298
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		300
192	utf8::encode $msg;
193	LOG llevError, $msg;	301	LOG llevWarn, $msg;
194	};	302	};
195	}	303
		304	$Coro::State::DIEHOOK = sub {
		305	return unless $^S eq 0; # "eq", not "=="
		306
		307	error Carp::longmess $_[0];
		308
		309	if (in_main) {#d#
		310	error "DIEHOOK called in main context, Coro bug?\n";#d#
		311	return;#d#
		312	}#d#
		313
		314	# kill coroutine otherwise
		315	Coro::terminate
		316	};
196		317
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	328	for my $pkg (qw(
208	cf::global cf::attachable	329	cf::global cf::attachable
209	cf::object cf::object::player	330	cf::object cf::object::player
210	cf::client cf::player	331	cf::client cf::player
211	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
212	cf::map cf::party cf::region	334	cf::party cf::region
213	)) {	335	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	337	}
217		338
218	$Event::DIED = sub {	339	$EV::DIED = sub {
219	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
220	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
221		347
222	#############################################################################	348	#############################################################################
223		349
224	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
225		351
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	372	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	373	$d
248	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
249	}	375	}
250		376
		377	=item $scalar = load_file $path
		378
		379	Loads the given file from path and returns its contents. Croaks on error
		380	and can block.
		381
		382	=cut
		383
		384	sub load_file($) {
		385	0 <= aio_load $_[0], my $data
		386	or Carp::croak "$_[0]: $!";
		387
		388	$data
		389	}
		390
251	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
252		392
253	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
254		394
255	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
256		396
257	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
258		398
259	=cut	399	=cut
260		400
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		402
263	sub to_json ($) { $json_coder->encode ($_[0]) }	403	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	404	sub decode_json($) { $json_coder->decode ($_[0]) }
		405
		406	=item $ref = cf::decode_storable $scalar
		407
		408	Same as Coro::Storable::thaw, so blocks.
		409
		410	=cut
		411
		412	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		413
		414	=item $ref = cf::decode_yaml $scalar
		415
		416	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		417
		418	=cut
		419
		420	sub decode_yaml($) {
		421	fork_call { YAML::XS::Load $_[0] } @_
		422	}
		423
		424	=item $scalar = cf::unlzf $scalar
		425
		426	Same as Compress::LZF::compress, but takes server ticks into account, so
		427	blocks.
		428
		429	=cut
		430
		431	sub unlzf($) {
		432	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		433	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		434	Compress::LZF::decompress $_[0]
		435	}
		436
		437	=item cf::post_init { BLOCK }
		438
		439	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		440	but I<before> the server starts ticking again.
		441
		442	The codeblock will have a single boolean argument to indicate whether this
		443	is a reload or not.
		444
		445	=cut
		446
		447	sub post_init(&) {
		448	push @POST_INIT, shift;
		449	}
		450
		451	sub _post_init {
		452	trace "running post_init jobs";
		453
		454	# run them in parallel...
		455
		456	my @join;
		457
		458	while () {
		459	push @join, map &Coro::async ($_, 0), @POST_INIT;
		460	@POST_INIT = ();
		461
		462	@join or last;
		463
		464	(pop @join)->join;
		465	}
		466	}
265		467
266	=item cf::lock_wait $string	468	=item cf::lock_wait $string
267		469
268	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
269		471
270	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
271		473
272	Wait until the given lock is available and then acquires it and returns	474	Wait until the given lock is available and then acquires it and returns
273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	475	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
274	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
275	returned.	477	returned.
276		478
277	Locks are *not* recursive, locking from the same coro twice results in a	479	Locks are *not* recursive, locking from the same coro twice results in a
278	deadlocked coro.	480	deadlocked coro.
…		…
284		486
285	Return true if the lock is currently active, i.e. somebody has locked it.	487	Return true if the lock is currently active, i.e. somebody has locked it.
286		488
287	=cut	489	=cut
288		490
289	our %LOCK;	491	our $LOCKS = new Coro::SemaphoreSet;
290		492
291	sub lock_wait($) {	493	sub lock_wait($) {
292	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
293
294	# wait for lock, if any
295	while ($LOCK{$key}) {
296	push @{ $LOCK{$key} }, $Coro::current;
297	Coro::schedule;
298	}
299	}	495	}
300		496
301	sub lock_acquire($) {	497	sub lock_acquire($) {
302	my ($key) = @_;	498	$LOCKS->guard ($_[0])
303
304	# wait, to be sure we are not locked
305	lock_wait $key;
306
307	$LOCK{$key} = [];
308
309	Coro::guard {
310	# wake up all waiters, to be on the safe side
311	$_->ready for @{ delete $LOCK{$key} };
312	}
313	}	499	}
314		500
315	sub lock_active($) {	501	sub lock_active($) {
316	my ($key) = @_;	502	$LOCKS->count ($_[0]) < 1
317
318	! ! $LOCK{$key}
319	}	503	}
320		504
321	sub freeze_mainloop {	505	sub freeze_mainloop {
322	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
323		507
324	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
325	$TICK_WATCHER->start;	509	}
326	};	510
327	$TICK_WATCHER->stop;	511	=item cf::periodic $interval, $cb
328	$guard	512
		513	Like EV::periodic, but randomly selects a starting point so that the actions
		514	get spread over time.
		515
		516	=cut
		517
		518	sub periodic($$) {
		519	my ($interval, $cb) = @_;
		520
		521	my $start = rand List::Util::min 180, $interval;
		522
		523	EV::periodic $start, $interval, 0, $cb
329	}	524	}
330		525
331	=item cf::get_slot $time[, $priority[, $name]]	526	=item cf::get_slot $time[, $priority[, $name]]
332		527
333	Allocate $time seconds of blocking CPU time at priority C<$priority>:	528	Allocate $time seconds of blocking CPU time at priority C<$priority>
334	This call blocks and returns only when you have at least C<$time> seconds	529	(default: 0): This call blocks and returns only when you have at least
335	of cpu time till the next tick. The slot is only valid till the next cede.	530	C<$time> seconds of cpu time till the next tick. The slot is only valid
		531	till the next cede.
		532
		533	Background jobs should use a priority les than zero, interactive jobs
		534	should use 100 or more.
336		535
337	The optional C<$name> can be used to identify the job to run. It might be	536	The optional C<$name> can be used to identify the job to run. It might be
338	used for statistical purposes and should identify the same time-class.	537	used for statistical purposes and should identify the same time-class.
339		538
340	Useful for short background jobs.	539	Useful for short background jobs.
341		540
342	=cut	541	=cut
343		542
344	our @SLOT_QUEUE;	543	our @SLOT_QUEUE;
345	our $SLOT_QUEUE;	544	our $SLOT_QUEUE;
		545	our $SLOT_DECAY = 0.9;
346		546
347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	547	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
348	$SLOT_QUEUE = Coro::async {	548	$SLOT_QUEUE = Coro::async {
		549	$Coro::current->desc ("timeslot manager");
		550
349	my $signal = new Coro::Signal;	551	my $signal = new Coro::Signal;
		552	my $busy;
350		553
351	while () {	554	while () {
352	next_job:	555	next_job:
		556
353	my $avail = cf::till_tick;	557	my $avail = cf::till_tick;
354	if ($avail > 0.01) {	558
355	for (0 .. $#SLOT_QUEUE) {	559	for (0 .. $#SLOT_QUEUE) {
356	if ($SLOT_QUEUE[$_][0] < $avail) {	560	if ($SLOT_QUEUE[$_][0] <= $avail) {
		561	$busy = 0;
357	my $job = splice @SLOT_QUEUE, $_, 1, ();	562	my $job = splice @SLOT_QUEUE, $_, 1, ();
358	$job->[2]->send;	563	$job->[2]->send;
359	Coro::cede;	564	Coro::cede;
360	goto next_job;	565	goto next_job;
361	}	566	} else {
		567	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
362	}	568	}
363	}	569	}
364		570
365	if (@SLOT_QUEUE) {	571	if (@SLOT_QUEUE) {
366	# we do not use wait_For_tick() as it returns immediately when tick is inactive	572	# we do not use wait_for_tick() as it returns immediately when tick is inactive
367	push @cf::WAIT_FOR_TICK, $signal;	573	$WAIT_FOR_TICK->wait;
368	$signal->wait;
369	} else {	574	} else {
		575	$busy = 0;
370	Coro::schedule;	576	Coro::schedule;
371	}	577	}
372	}	578	}
373	};	579	};
374		580
375	sub get_slot($;$$) {	581	sub get_slot($;$$) {
		582	return if tick_inhibit || $Coro::current == $Coro::main;
		583
376	my ($time, $pri, $name) = @_;	584	my ($time, $pri, $name) = @_;
377		585
378	$time = $TICK * .6 if $time > $TICK * .6;	586	$time = clamp $time, 0.01, $TICK * .6;
		587
379	my $sig = new Coro::Signal;	588	my $sig = new Coro::Signal;
380		589
381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	590	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	591	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
383	$SLOT_QUEUE->ready;	592	$SLOT_QUEUE->ready;
…		…
394		603
395	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
396		605
397	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
398		607
399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	608	The design of Deliantra requires that the main coroutine ($Coro::main)
400	is always able to handle events or runnable, as Crossfire TRT is only	609	is always able to handle events or runnable, as Deliantra is only
401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	610	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
402	acceptable.	611	acceptable.
403		612
404	If it must be done, put the blocking parts into C<sync_job>. This will run	613	If it must be done, put the blocking parts into C<sync_job>. This will run
405	the given BLOCK in another coroutine while waiting for the result. The	614	the given BLOCK in another coroutine while waiting for the result. The
…		…
409	=cut	618	=cut
410		619
411	sub sync_job(&) {	620	sub sync_job(&) {
412	my ($job) = @_;	621	my ($job) = @_;
413		622
414	if ($Coro::current == $Coro::main) {	623	if (in_main) {
415	my $time = Event::time;	624	my $time = AE::time;
416		625
417	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
418	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
419		628
420	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
421	# (but this is cancel-safe)	630
422	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
423		632
424	my $busy = 1;	633	my $busy = 1;
425	my @res;	634	my @res;
426		635
427	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
428	@res = eval { $job->() };	638	@res = eval { $job->() };
429	warn $@ if $@;	639	error $@ if $@;
430	undef $busy;	640	undef $busy;
431	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
432		642
433	while ($busy) {	643	while ($busy) {
434	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
435	}	648	}
		649	}
436		650
437	$time = Event::time - $time;	651	my $time = AE::time - $time;
438		652
439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
441
442	$tick_start += $time; # do not account sync jobs to server load	653	$TICK_START += $time; # do not account sync jobs to server load
443		654
444	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
445	} else {	656	} else {
446	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
447		658
…		…
467	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
468		679
469	$coro	680	$coro
470	}	681	}
471		682
472	=item fork_call { }, $args	683	=item fork_call { }, @args
473		684
474	Executes the given code block with the given arguments in a seperate	685	Executes the given code block with the given arguments in a seperate
475	process, returning the results. Everything must be serialisable with	686	process, returning the results. Everything must be serialisable with
476	Coro::Storable. May, of course, block. Note that the executed sub may	687	Coro::Storable. May, of course, block. Note that the executed sub may
477	never block itself or use any form of Event handling.	688	never block itself or use any form of event handling.
478		689
479	=cut	690	=cut
		691
		692	sub post_fork {
		693	reset_signals;
		694	}
480		695
481	sub fork_call(&@) {	696	sub fork_call(&@) {
482	my ($cb, @args) = @_;	697	my ($cb, @args) = @_;
483		698
484	# we seemingly have to make a local copy of the whole thing,	699	# we seemingly have to make a local copy of the whole thing,
485	# otherwise perl prematurely frees the stuff :/	700	# otherwise perl prematurely frees the stuff :/
486	# TODO: investigate and fix (liekly this will be rather laborious)	701	# TODO: investigate and fix (likely this will be rather laborious)
487		702
488	my @res = Coro::Util::fork_eval {	703	my @res = Coro::Util::fork_eval {
489	reset_signals;	704	cf::post_fork;
490	&$cb	705	&$cb
491	}, @args;	706	} @args;
492		707
493	wantarray ? @res : $res[-1]	708	wantarray ? @res : $res[-1]
		709	}
		710
		711	sub objinfo {
		712	(
		713	"counter value" => cf::object::object_count,
		714	"objects created" => cf::object::create_count,
		715	"objects destroyed" => cf::object::destroy_count,
		716	"freelist size" => cf::object::free_count,
		717	"allocated objects" => cf::object::objects_size,
		718	"active objects" => cf::object::actives_size,
		719	)
		720	}
		721
		722	=item $coin = coin_from_name $name
		723
		724	=cut
		725
		726	our %coin_alias = (
		727	"silver" => "silvercoin",
		728	"silvercoin" => "silvercoin",
		729	"silvercoins" => "silvercoin",
		730	"gold" => "goldcoin",
		731	"goldcoin" => "goldcoin",
		732	"goldcoins" => "goldcoin",
		733	"platinum" => "platinacoin",
		734	"platinumcoin" => "platinacoin",
		735	"platinumcoins" => "platinacoin",
		736	"platina" => "platinacoin",
		737	"platinacoin" => "platinacoin",
		738	"platinacoins" => "platinacoin",
		739	"royalty" => "royalty",
		740	"royalties" => "royalty",
		741	);
		742
		743	sub coin_from_name($) {
		744	$coin_alias{$_[0]}
		745	? cf::arch::find $coin_alias{$_[0]}
		746	: undef
494	}	747	}
495		748
496	=item $value = cf::db_get $family => $key	749	=item $value = cf::db_get $family => $key
497		750
498	Returns a single value from the environment database.	751	Returns a single value from the environment database.
…		…
500	=item cf::db_put $family => $key => $value	753	=item cf::db_put $family => $key => $value
501		754
502	Stores the given C<$value> in the family. It can currently store binary	755	Stores the given C<$value> in the family. It can currently store binary
503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	756	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
504		757
		758	=item $db = cf::db_table "name"
		759
		760	Create and/or open a new database table. The string must not be "db" and must be unique
		761	within each server.
		762
505	=cut	763	=cut
		764
		765	sub db_table($) {
		766	cf::error "db_get called from main context"
		767	if $Coro::current == $Coro::main;
		768
		769	my ($name) = @_;
		770	my $db = BDB::db_create $DB_ENV;
		771
		772	eval {
		773	$db->set_flags (BDB::CHKSUM);
		774
		775	utf8::encode $name;
		776	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		777	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		778	cf::cleanup "db_open(db): $!" if $!;
		779	};
		780	cf::cleanup "db_open(db): $@" if $@;
		781
		782	$db
		783	}
506		784
507	our $DB;	785	our $DB;
508		786
509	sub db_init {	787	sub db_init {
510	unless ($DB) {	788	$DB ||= db_table "db";
511	$DB = BDB::db_create $DB_ENV;
512
513	cf::sync_job {
514	eval {
515	$DB->set_flags (BDB::CHKSUM);
516
517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
519	cf::cleanup "db_open(db): $!" if $!;
520	};
521	cf::cleanup "db_open(db): $@" if $@;
522	};
523	}
524	}	789	}
525		790
526	sub db_get($$) {	791	sub db_get($$) {
527	my $key = "$_[0]/$_[1]";	792	my $key = "$_[0]/$_[1]";
528		793
529	cf::sync_job {	794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
530	BDB::db_get $DB, undef, $key, my $data;	797	BDB::db_get $DB, undef, $key, my $data;
531		798
532	$! ? ()	799	$! ? ()
533	: $data	800	: $data
534	}
535	}	801	}
536		802
537	sub db_put($$$) {	803	sub db_put($$$) {
538	BDB::dbreq_pri 4;	804	BDB::dbreq_pri 4;
539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
567		833
568	my @data;	834	my @data;
569	my $md5;	835	my $md5;
570		836
571	for (0 .. $#$src) {	837	for (0 .. $#$src) {
572	0 <= aio_load $src->[$_], $data[$_]	838	$data[$_] = load_file $src->[$_];
573	or Carp::croak "$src->[$_]: $!";
574	}	839	}
575		840
576	# if processing is expensive, check	841	# if processing is expensive, check
577	# checksum first	842	# checksum first
578	if (1) {	843	if (1) {
…		…
595		860
596	my $t1 = Time::HiRes::time;	861	my $t1 = Time::HiRes::time;
597	my $data = $process->(\@data);	862	my $data = $process->(\@data);
598	my $t2 = Time::HiRes::time;	863	my $t2 = Time::HiRes::time;
599		864
600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
601		866
602	db_put cache => "$id/data", $data;	867	db_put cache => "$id/data", $data;
603	db_put cache => "$id/md5" , $md5;	868	db_put cache => "$id/md5" , $md5;
604	db_put cache => "$id/meta", $meta;	869	db_put cache => "$id/meta", $meta;
605		870
…		…
615		880
616	=cut	881	=cut
617		882
618	sub datalog($@) {	883	sub datalog($@) {
619	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
620	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
621	}	886	}
622		887
623	=back	888	=back
624		889
625	=cut	890	=cut
626		891
627	#############################################################################	892	#############################################################################
628		893
629	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
630		895
631	Many objects in crossfire are so-called attachable objects. That means you can	896	Many objects in deliantra are so-called attachable objects. That means you can
632	attach callbacks/event handlers (a collection of which is called an "attachment")	897	attach callbacks/event handlers (a collection of which is called an "attachment")
633	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
634		899
635	In the following description, CLASS can be any of C<global>, C<object>	900	In the following description, CLASS can be any of C<global>, C<object>
636	C<player>, C<client> or C<map> (i.e. the attachable objects in	901	C<player>, C<client> or C<map> (i.e. the attachable objects in
637	Crossfire TRT).	902	Deliantra).
638		903
639	=over 4	904	=over 4
640		905
641	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
642		907
…		…
686	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
687		952
688	Register an attachment by C<$name> through which attachable objects of the	953	Register an attachment by C<$name> through which attachable objects of the
689	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
690		955
691	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
692	that are attached at load/instantiate time, thus the need for a name.	957	that are attached at load/instantiate time, thus the need for a name.
693		958
694	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
695		960
696	=over 4	961	=over 4
…		…
820		1085
821	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
822	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
823		1088
824	} elsif (ref $type) {	1089	} elsif (ref $type) {
825	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
826		1091
827	} else {	1092	} else {
828	shift @arg;	1093	shift @arg;
829	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
830	}	1095	}
831	}	1096	}
832	}	1097	}
833		1098
834	sub _object_attach {	1099	sub _object_attach {
…		…
844	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
845	}	1110	}
846		1111
847	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
848	} else {	1113	} else {
849	warn "object uses attachment '$name' which is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
850	}	1115	}
851		1116
852	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
853	}	1118	}
854		1119
…		…
913		1178
914	for (@$callbacks) {	1179	for (@$callbacks) {
915	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
916		1181
917	if ($@) {	1182	if ($@) {
918	warn "$@";
919	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
920	override;	1184	override;
921	}	1185	}
922		1186
923	return 1 if $override;	1187	return 1 if $override;
924	}	1188	}
925		1189
926	0	1190	0
927	}	1191	}
928		1192
929	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
930		1194
931	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
932		1196
933	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
934		1198
…		…
940		1204
941	=cut	1205	=cut
942		1206
943	#############################################################################	1207	#############################################################################
944	# object support	1208	# object support
945	#
946		1209
		1210	sub _object_equal($$);
		1211	sub _object_equal($$) {
		1212	my ($a, $b) = @_;
		1213
		1214	return 0 unless (ref $a) eq (ref $b);
		1215
		1216	if ("HASH" eq ref $a) {
		1217	my @ka = keys %$a;
		1218	my @kb = keys %$b;
		1219
		1220	return 0 if @ka != @kb;
		1221
		1222	for (0 .. $#ka) {
		1223	return 0 unless $ka[$_] eq $kb[$_];
		1224	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1225	}
		1226
		1227	} elsif ("ARRAY" eq ref $a) {
		1228
		1229	return 0 if @$a != @$b;
		1230
		1231	for (0 .. $#$a) {
		1232	return 0 unless _object_equal $a->[$_], $b->[$_];
		1233	}
		1234
		1235	} elsif ($a ne $b) {
		1236	return 0;
		1237	}
		1238
		1239	1
		1240	}
		1241
		1242	our $SLOW_MERGES;#d#
947	sub _can_merge {	1243	sub _can_merge {
948	my ($ob1, $ob2) = @_;	1244	my ($ob1, $ob2) = @_;
949		1245
950	local $Storable::canonical = 1;	1246	++$SLOW_MERGES;#d#
951	my $fob1 = Storable::freeze $ob1;
952	my $fob2 = Storable::freeze $ob2;
953		1247
954	$fob1 eq $fob2	1248	# we do the slow way here
		1249	return _object_equal $ob1, $ob2
955	}	1250	}
956		1251
957	sub reattach {	1252	sub reattach {
958	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
959	my ($obj) = @_;	1254	my ($obj) = @_;
960		1255
		1256	# no longer needed after getting rid of delete_package?
961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1257	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
962		1258
963	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
964		1260
965	@$registry = ();	1261	@$registry = ();
966		1262
…		…
971	for (@$attach) {	1267	for (@$attach) {
972	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
973	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
974	}	1270	}
975	} else {	1271	} else {
976	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
977	}	1273	}
978	}	1274	}
979	}	1275	}
980		1276
981	cf::attachable->attach (	1277	cf::attachable->attach (
982	prio => -1000000,	1278	prio => -1000000,
983	on_instantiate => sub {	1279	on_instantiate => sub {
984	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
985		1281
986	$data = from_json $data;	1282	$data = decode_json $data;
987		1283
988	for (@$data) {	1284	for (@$data) {
989	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
990		1286
991	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
1007	sub object_freezer_save {	1303	sub object_freezer_save {
1008	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
1009		1305
1010	sync_job {	1306	sync_job {
1011	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
1012	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
1013	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
1014		1312
1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1016	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1018	aio_fsync $fh if $cf::USE_FSYNC;	1316	if ($cf::USE_FSYNC) {
		1317	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1318	aio_fsync $fh;
		1319	}
1019	close $fh;	1320	aio_close $fh;
1020		1321
1021	if (@$objs) {	1322	if (@$objs) {
1022	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1323	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1023	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
1024	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1025	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
1026	aio_fsync $fh if $cf::USE_FSYNC;	1327	if ($cf::USE_FSYNC) {
		1328	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1329	aio_fsync $fh;
		1330	}
1027	close $fh;	1331	aio_close $fh;
1028	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
1029	}	1333	}
1030	} else {	1334	} else {
1031	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
1032	}	1336	}
1033		1337
1034	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
1035	} else {	1342	} else {
1036	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
1037	}	1344	}
1038	} else {	1345	} else {
1039	aio_unlink $filename;	1346	aio_unlink $filename;
1040	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
1041	}	1348	}
1042	}	1349	};
1043	}	1350	}
1044		1351
1045	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
1046	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
1047		1354
…		…
1059	or return;	1366	or return;
1060		1367
1061	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
1062	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
1063	or return;	1370	or return;
		1371
1064	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
1065	}	1374	}
1066		1375
		1376	utf8::decode (my $decname = $filename);
1067	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
1068	$filename, length $data, scalar @{$av || []};	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
1069	return ($data, $av);	1381	($data, $av)
1070	}	1382	}
1071		1383
1072	=head2 COMMAND CALLBACKS	1384	=head2 COMMAND CALLBACKS
1073		1385
1074	=over 4	1386	=over 4
…		…
1128	my ($name, $cb) = @_;	1440	my ($name, $cb) = @_;
1129		1441
1130	$EXTICMD{$name} = $cb;	1442	$EXTICMD{$name} = $cb;
1131	}	1443	}
1132		1444
		1445	use File::Glob ();
		1446
1133	cf::player->attach (	1447	cf::player->attach (
1134	on_command => sub {	1448	on_unknown_command => sub {
1135	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
1136		1450
1137	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
1138	or return;	1452	or return;
1139		1453
…		…
1162		1476
1163	$pl->ext_reply ($reply, @reply)	1477	$pl->ext_reply ($reply, @reply)
1164	if $reply;	1478	if $reply;
1165		1479
1166	} else {	1480	} else {
1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1168	}	1482	}
1169		1483
1170	cf::override;	1484	cf::override;
1171	},	1485	},
1172	);	1486	);
1173		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
1174	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
1175	cf::sync_job {	1504	cf::sync_job {
1176	my %todo;	1505	my %todo;
1177		1506
1178	for my $path (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
1179	next unless -r $path;	1508	next unless -r $path;
…		…
1197		1526
1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1527	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1528	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1200		1529
1201	$ext{source} =	1530	$ext{source} =
1202	"package $pkg; use strict; use utf8;\n"	1531	"package $pkg; use common::sense;\n"
1203	. "#line 1 \"$path\"\n{\n"	1532	. "#line 1 \"$path\"\n{\n"
1204	. $source	1533	. $source
1205	. "\n};\n1";	1534	. "\n};\n1";
1206		1535
1207	$todo{$base} = \%ext;	1536	$todo{$base} = \%ext;
1208	}	1537	}
1209		1538
		1539	my $pass = 0;
1210	my %done;	1540	my %done;
1211	while (%todo) {	1541	while (%todo) {
1212	my $progress;	1542	my $progress;
1213		1543
		1544	++$pass;
		1545
		1546	ext:
1214	while (my ($k, $v) = each %todo) {	1547	while (my ($k, $v) = each %todo) {
1215	for (split /,\s*/, $v->{meta}{depends}) {	1548	for (split /,\s*/, $v->{meta}{depends}) {
1216	goto skip	1549	next ext
1217	unless exists $done{$_};	1550	unless exists $done{$_};
1218	}	1551	}
1219		1552
1220	warn "... loading '$k' into '$v->{pkg}'\n";	1553	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1221		1554
1222	unless (eval $v->{source}) {	1555	my $active = eval $v->{source};
		1556
		1557	if (length $@) {
1223	my $msg = $@ ? "$v->{path}: $@\n"	1558	error "$v->{path}: $@\n";
1224	: "$v->{base}: extension inactive.\n";
1225		1559
		1560	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1226	if (exists $v->{meta}{mandatory}) {	1561	if exists $v->{meta}{mandatory};
1227	warn $msg;	1562
1228	warn "mandatory extension failed to load, exiting.\n";	1563	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1229	exit 1;	1564	delete $todo{$k};
1230	}	1565	} else {
1231		1566	$done{$k} = delete $todo{$k};
1232	warn $msg;	1567	push @EXTS, $v->{pkg};
		1568	$progress = 1;
		1569
		1570	info "$v->{base}: extension inactive.\n"
		1571	unless $active;
1233	}	1572	}
1234
1235	$done{$k} = delete $todo{$k};
1236	push @EXTS, $v->{pkg};
1237	$progress = 1;
1238	}	1573	}
1239		1574
1240	skip:	1575	unless ($progress) {
1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1576	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1242	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	}
1243	}	1585	}
1244	};	1586	};
1245	}	1587	}
1246		1588
1247	#############################################################################	1589	#############################################################################
1248		1590
1249	=back	1591	=back
1250		1592
1251	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
1252		1594
1253	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
1254		1596
1255	=cut	1597	=cut
1256		1598
1257	package cf::player;	1599	package cf::player;
1258		1600
1259	use Coro::AIO;	1601	use Coro::AIO;
1260		1602
1261	=head3 cf::player	1603	=head3 cf::player
1262		1604
1263	=over 4	1605	=over 4
		1606
		1607	=item cf::player::num_playing
		1608
		1609	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1610
		1611	=cut
		1612
		1613	sub num_playing {
		1614	scalar grep
		1615	$_->ob->map
		1616	&& !$_->hidden
		1617	&& !$_->ob->flag (cf::FLAG_WIZ),
		1618	cf::player::list
		1619	}
1264		1620
1265	=item cf::player::find $login	1621	=item cf::player::find $login
1266		1622
1267	Returns the given player object, loading it if necessary (might block).	1623	Returns the given player object, loading it if necessary (might block).
1268		1624
…		…
1287		1643
1288	sub exists($) {	1644	sub exists($) {
1289	my ($login) = @_;	1645	my ($login) = @_;
1290		1646
1291	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
1292	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
1293	}	1649	}
1294		1650
1295	sub find($) {	1651	sub find($) {
1296	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
1297	my $login = $_[0];	1653	my $login = $_[0];
…		…
1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1660	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1661	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1662	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1307	aio_unlink +(playerdir $login) . "/$login.pl";	1663	aio_unlink +(playerdir $login) . "/$login.pl";
1308		1664
1309	my $pl = load_pl path $login	1665	my $f = new_from_file cf::object::thawer path $login
1310	or return;	1666	or return;
		1667
		1668	my $pl = cf::player::load_pl $f
		1669	or return;
		1670
		1671	local $cf::PLAYER_LOADING{$login} = $pl;
		1672	$f->resolve_delayed_derefs;
1311	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
1312	}	1674	}
1313	}	1675	}
1314	}	1676	}
		1677
		1678	cf::player->attach (
		1679	on_load => sub {
		1680	my ($pl, $path) = @_;
		1681
		1682	# restore slots saved in save, below
		1683	my $slots = delete $pl->{_slots};
		1684
		1685	$pl->ob->current_weapon ($slots->[0]);
		1686	$pl->combat_ob ($slots->[1]);
		1687	$pl->ranged_ob ($slots->[2]);
		1688	},
		1689	);
1315		1690
1316	sub save($) {	1691	sub save($) {
1317	my ($pl) = @_;	1692	my ($pl) = @_;
1318		1693
1319	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
…		…
1323		1698
1324	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1325		1700
1326	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1327	$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];
1328		1708
1329	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1330	cf::cede_to_tick;	1710	cf::cede_to_tick;
1331	}	1711	}
1332		1712
…		…
1364	my ($pl) = @_;	1744	my ($pl) = @_;
1365		1745
1366	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1367		1747
1368	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1369	$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
1370		1750
1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1372	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1373	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1374	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1375		1759
1376	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1377	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1378	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1413	or return [];	1797	or return [];
1414		1798
1415	my @logins;	1799	my @logins;
1416		1800
1417	for my $login (@$dirs) {	1801	for my $login (@$dirs) {
		1802	my $path = path $login;
		1803
		1804	# a .pst is a dead give-away for a valid player
		1805	# if no pst file found, open and chekc for blocked users
		1806	if (aio_stat "$path.pst") {
1418	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1419	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1420	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1810	}
1421		1811
1422	utf8::decode $login;	1812	utf8::decode $login;
1423	push @logins, $login;	1813	push @logins, $login;
1424	}	1814	}
1425		1815
1426	\@logins	1816	\@logins
1427	}	1817	}
1428		1818
1429	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1430		1822
1431	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1432	player. May block.	1824	player. May block.
1433		1825
1434	=cut	1826	=cut
…		…
1452	}	1844	}
1453		1845
1454	\@paths	1846	\@paths
1455	}	1847	}
1456		1848
1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1458		1850
1459	Expand crossfire pod fragments into protocol xml.	1851	Expand deliantra pod fragments into protocol xml.
1460
1461	=cut
1462
1463	sub expand_cfpod {
1464	((my $self), (local $_)) = @_;
1465
1466	# escape & and <
1467	s/&/&amp;/g;
1468	s/(?<![BIUGHT])</&lt;/g;
1469
1470	# this is buggy, it needs to properly take care of nested <'s
1471
1472	1 while
1473	# replace B<>, I<>, U<> etc.
1474	s/B<([^\>]*)>/<b>$1<\/b>/
1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
1477	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1478	# replace G<male|female> tags
1479	|| s{G<([^>|]*)\|([^>]*)>}{
1480	$self->gender ? $2 : $1
1481	}ge
1482	# replace H<hint text>
1483	|| s{H<([^\>]*)>}
1484	{
1485	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1486	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1487	"")
1488	[$self->{hintmode}]
1489	}ge;
1490
1491	# create single paragraphs (very hackish)
1492	s/(?<=\S)\n(?=\w)/ /g;
1493
1494	# compress some whitespace
1495	s/\s+\n/\n/g; # ws line-ends
1496	s/\n\n+/\n/g; # double lines
1497	s/^\n+//; # beginning lines
1498	s/\n+$//; # ending lines
1499
1500	$_
1501	}
1502
1503	sub hintmode {
1504	$_[0]{hintmode} = $_[1] if @_ > 1;
1505	$_[0]{hintmode}
1506	}
1507		1852
1508	=item $player->ext_reply ($msgid, @msg)	1853	=item $player->ext_reply ($msgid, @msg)
1509		1854
1510	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1511		1856
…		…
1543		1888
1544	=cut	1889	=cut
1545		1890
1546	sub find_by_path($) {	1891	sub find_by_path($) {
1547	my ($path) = @_;	1892	my ($path) = @_;
		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
1548		1895
1549	my ($match, $specificity);	1896	my ($match, $specificity);
1550		1897
1551	for my $region (list) {	1898	for my $region (list) {
1552	if ($region->{match} && $path =~ $region->{match}) {	1899	if ($region->{match} && $path =~ $region->{match}) {
…		…
1578	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1579	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1580		1927
1581	sub generate_random_map {	1928	sub generate_random_map {
1582	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1583	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1584	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1585	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1586	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1587	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1588	$rmp->{exit_on_final_map},
1589	$rmp->{xsize}, $rmp->{ysize},
1590	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1591	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1592	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1593	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1594	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1595	(cf::region::find $rmp->{region}), $rmp->{custom}
1596	)
1597	}	1934	}
1598		1935
1599	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1600		1937
1601	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
…		…
1606		1943
1607	sub register {	1944	sub register {
1608	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1609	my $pkg = caller;	1946	my $pkg = caller;
1610		1947
1611	no strict;
1612	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1613		1949
1614	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1615	}	1951	}
1616		1952
1617	# also paths starting with '/'	1953	# also paths starting with '/'
1618	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1619		1955
1620	sub thawer_merge {	1956	sub thawer_merge {
1621	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1622		1958
1623	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
…		…
1628	}	1964	}
1629		1965
1630	sub normalise {	1966	sub normalise {
1631	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1632		1968
1633	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1634		1970
1635	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1636		1972
1637	# map plan:	1973	# map plan:
1638	#	1974	#
…		…
1653	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1654	$path = "$base/$path";	1990	$path = "$base/$path";
1655	}	1991	}
1656		1992
1657	for ($path) {	1993	for ($path) {
1658	redo if s{//}{/};
1659	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1660	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1661	}	1996	}
1662		1997
1663	$path	1998	$path
…		…
1677	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1678	return $self;	2013	return $self;
1679	}	2014	}
1680	}	2015	}
1681		2016
1682	Carp::cluck "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1683	()	2018	()
1684	}	2019	}
1685		2020
		2021	# may re-bless or do other evil things
1686	sub init {	2022	sub init {
1687	my ($self) = @_;	2023	my ($self) = @_;
1688		2024
1689	$self	2025	$self
1690	}	2026	}
…		…
1709		2045
1710	# the temporary/swap location	2046	# the temporary/swap location
1711	sub save_path {	2047	sub save_path {
1712	my ($self) = @_;	2048	my ($self) = @_;
1713		2049
1714	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1715	"$TMPDIR/$path.map"	2051	"$TMPDIR/$path.map"
1716	}	2052	}
1717		2053
1718	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1719	sub uniq_path {	2055	sub uniq_path {
1720	my ($self) = @_;	2056	my ($self) = @_;
1721		2057
1722	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1723	"$UNIQUEDIR/$path"	2059	"$UNIQUEDIR/$path"
1724	}
1725
1726	# and all this just because we cannot iterate over
1727	# all maps in C++...
1728	sub change_all_map_light {
1729	my ($change) = @_;
1730
1731	$_->change_map_light ($change)
1732	for grep $_->outdoor, values %cf::MAP;
1733	}	2060	}
1734		2061
1735	sub decay_objects {	2062	sub decay_objects {
1736	my ($self) = @_;	2063	my ($self) = @_;
1737		2064
…		…
1750		2077
1751	sub load_header_from($) {	2078	sub load_header_from($) {
1752	my ($self, $path) = @_;	2079	my ($self, $path) = @_;
1753		2080
1754	utf8::encode $path;	2081	utf8::encode $path;
1755	#aio_open $path, O_RDONLY, 0	2082	my $f = new_from_file cf::object::thawer $path
1756	# or return;
1757
1758	$self->_load_header ($path)
1759	or return;	2083	or return;
1760		2084
		2085	$self->_load_header ($f)
		2086	or return;
		2087
		2088	local $MAP_LOADING{$self->{path}} = $self;
		2089	$f->resolve_delayed_derefs;
		2090
1761	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1762		2092
1763	1	2093	1
1764	}	2094	}
1765		2095
		2096	# used to laod the header of an original map
1766	sub load_header_orig {	2097	sub load_header_orig {
1767	my ($self) = @_;	2098	my ($self) = @_;
1768		2099
1769	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1770	}	2101	}
1771		2102
		2103	# used to laod the header of an instantiated map
1772	sub load_header_temp {	2104	sub load_header_temp {
1773	my ($self) = @_;	2105	my ($self) = @_;
1774		2106
1775	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1776	}	2108	}
1777		2109
		2110	# called after loading the header from an instantiated map
1778	sub prepare_temp {	2111	sub prepare_temp {
1779	my ($self) = @_;	2112	my ($self) = @_;
1780		2113
1781	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1782	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1783	# safety	2116	# safety
1784	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1785	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1786	}	2119	}
1787		2120
		2121	# called after loading the header from an original map
1788	sub prepare_orig {	2122	sub prepare_orig {
1789	my ($self) = @_;	2123	my ($self) = @_;
1790		2124
1791	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1792	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1816		2150
1817	sub find;	2151	sub find;
1818	sub find {	2152	sub find {
1819	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1820		2154
		2155	cf::cede_to_tick;
		2156
1821	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1822		2158
		2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1823	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1824		2161
1825	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1826	my $guard = cf::lock_acquire "map_find:$path";
1827	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1828	or return;	2164	or return;
1829		2165
1830	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1831		2167
…		…
1833	or return;	2169	or return;
1834		2170
1835	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1836	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1837	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1838	$map->reset;	2176	$map->reset;
1839	undef $guard;
1840	return find $path;	2177	return find $path;
1841	}	2178	}
1842		2179
1843	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1844	}	2181	}
1845	}	2182	}
1846		2183
1847	sub pre_load { }	2184	sub pre_load { }
1848	sub post_load { }	2185	#sub post_load { } # XS
1849		2186
1850	sub load {	2187	sub load {
1851	my ($self) = @_;	2188	my ($self) = @_;
1852		2189
1853	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
1854		2191
1855	my $path = $self->{path};	2192	my $path = $self->{path};
1856		2193
1857	{	2194	{
1858	my $guard1 = cf::lock_acquire "map_data:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1859	my $guard2 = cf::lock_acquire "map_load:$path";
1860		2196
		2197	return unless $self->valid;
1861	return if $self->in_memory != cf::MAP_SWAPPED;	2198	return unless $self->state == cf::MAP_SWAPPED;
1862
1863	$self->in_memory (cf::MAP_LOADING);
1864		2199
1865	$self->alloc;	2200	$self->alloc;
1866		2201
1867	$self->pre_load;	2202	$self->pre_load;
1868	cf::cede_to_tick;	2203	cf::cede_to_tick;
1869		2204
1870	$self->_load_objects ($self->{load_path}, 1)	2205	if (exists $self->{load_path}) {
		2206	my $f = new_from_file cf::object::thawer $self->{load_path};
		2207	$f->skip_block;
		2208	$self->_load_objects ($f)
1871	or return;	2209	or return;
1872		2210
1873	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1874	if delete $self->{load_original};	2212	if delete $self->{load_original};
1875		2213
1876	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1877	utf8::encode $uniq;	2215	utf8::encode $uniq;
1878	if (aio_open $uniq, O_RDONLY, 0) {	2216	unless (aio_stat $uniq) {
		2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1879	$self->clear_unique_items;	2218	$self->clear_unique_items;
1880	$self->_load_objects ($uniq, 0);	2219	$self->_load_objects ($f);
		2220	$f->resolve_delayed_derefs;
		2221	}
		2222	}
1881	}	2223	}
		2224
		2225	$f->resolve_delayed_derefs;
		2226	} else {
		2227	$self->post_load_original
		2228	if delete $self->{load_original};
1882	}	2229	}
		2230
		2231	$self->state (cf::MAP_INACTIVE);
1883		2232
1884	cf::cede_to_tick;	2233	cf::cede_to_tick;
1885	# now do the right thing for maps	2234	# now do the right thing for maps
1886	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1887	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
…		…
1890		2239
1891	unless ($self->{deny_activate}) {	2240	unless ($self->{deny_activate}) {
1892	$self->decay_objects;	2241	$self->decay_objects;
1893	$self->fix_auto_apply;	2242	$self->fix_auto_apply;
1894	$self->update_buttons;	2243	$self->update_buttons;
		2244	$self->post_load_physics;
1895	cf::cede_to_tick;	2245	cf::cede_to_tick;
1896	$self->set_darkness_map;	2246	#$self->activate; # no longer activate maps automatically
1897	cf::cede_to_tick;
1898	$self->activate;
1899	}	2247	}
1900		2248
1901	$self->{last_save} = $cf::RUNTIME;	2249	$self->{last_save} = $cf::RUNTIME;
1902	$self->last_access ($cf::RUNTIME);	2250	$self->last_access ($cf::RUNTIME);
1903
1904	$self->in_memory (cf::MAP_IN_MEMORY);
1905	}	2251	}
1906		2252
1907	$self->post_load;	2253	$self->post_load;
1908	}
1909		2254
		2255	1
		2256	}
		2257
		2258	# customize the map for a given player, i.e.
		2259	# return the _real_ map. used by e.g. per-player
		2260	# maps to change the path to ~playername/mappath
1910	sub customise_for {	2261	sub customise_for {
1911	my ($self, $ob) = @_;	2262	my ($self, $ob) = @_;
1912		2263
1913	return find "~" . $ob->name . "/" . $self->{path}	2264	return find "~" . $ob->name . "/" . $self->{path}
1914	if $self->per_player;	2265	if $self->per_player;
…		…
1930	or next;	2281	or next;
1931	$neigh = find $neigh, $map	2282	$neigh = find $neigh, $map
1932	or next;	2283	or next;
1933	$neigh->load;	2284	$neigh->load;
1934		2285
		2286	# now find the diagonal neighbours
1935	push @neigh,	2287	push @neigh,
1936	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2288	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1937	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2289	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1938	}	2290	}
1939		2291
…		…
1946	}	2298	}
1947		2299
1948	sub find_sync {	2300	sub find_sync {
1949	my ($path, $origin) = @_;	2301	my ($path, $origin) = @_;
1950		2302
1951	cf::sync_job { find $path, $origin }	2303	# it's a bug to call this from the main context
		2304	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2305	if $Coro::current == $Coro::main;
		2306
		2307	find $path, $origin
1952	}	2308	}
1953		2309
1954	sub do_load_sync {	2310	sub do_load_sync {
1955	my ($map) = @_;	2311	my ($map) = @_;
1956		2312
		2313	# it's a bug to call this from the main context
1957	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2314	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
1958	if $Coro::current == $Coro::main;	2315	if $Coro::current == $Coro::main;
1959		2316
1960	cf::sync_job { $map->load };	2317	$map->load;
1961	}	2318	}
1962		2319
1963	our %MAP_PREFETCH;	2320	our %MAP_PREFETCH;
1964	our $MAP_PREFETCHER = undef;	2321	our $MAP_PREFETCHER = undef;
1965		2322
1966	sub find_async {	2323	sub find_async {
1967	my ($path, $origin, $load) = @_;	2324	my ($path, $origin, $load) = @_;
1968		2325
1969	$path = normalise $path, $origin && $origin->{path};	2326	$path = normalise $path, $origin;
1970		2327
1971	if (my $map = $cf::MAP{$path}) {	2328	if (my $map = $cf::MAP{$path}) {
1972	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2329	return $map if !$load || $map->linkable;
1973	}	2330	}
1974		2331
1975	$MAP_PREFETCH{$path} |= $load;	2332	$MAP_PREFETCH{$path} |= $load;
1976		2333
1977	$MAP_PREFETCHER ||= cf::async {	2334	$MAP_PREFETCHER ||= cf::async {
		2335	$Coro::current->{desc} = "map prefetcher";
		2336
1978	while (%MAP_PREFETCH) {	2337	while (%MAP_PREFETCH) {
1979	while (my ($k, $v) = each %MAP_PREFETCH) {	2338	while (my ($k, $v) = each %MAP_PREFETCH) {
1980	if (my $map = find $k) {	2339	if (my $map = find $k) {
1981	$map->load if $v;	2340	$map->load if $v;
1982	}	2341	}
…		…
1989	$MAP_PREFETCHER->prio (6);	2348	$MAP_PREFETCHER->prio (6);
1990		2349
1991	()	2350	()
1992	}	2351	}
1993		2352
		2353	# common code, used by both ->save and ->swapout
1994	sub save {	2354	sub _save {
1995	my ($self) = @_;	2355	my ($self) = @_;
1996
1997	my $lock = cf::lock_acquire "map_data:$self->{path}";
1998		2356
1999	$self->{last_save} = $cf::RUNTIME;	2357	$self->{last_save} = $cf::RUNTIME;
2000		2358
2001	return unless $self->dirty;	2359	return unless $self->dirty;
2002		2360
…		…
2008	return if $self->{deny_save};	2366	return if $self->{deny_save};
2009		2367
2010	local $self->{last_access} = $self->last_access;#d#	2368	local $self->{last_access} = $self->last_access;#d#
2011		2369
2012	cf::async {	2370	cf::async {
		2371	$Coro::current->{desc} = "map player save";
2013	$_->contr->save for $self->players;	2372	$_->contr->save for $self->players;
2014	};	2373	};
		2374
		2375	cf::get_slot 0.02;
2015		2376
2016	if ($uniq) {	2377	if ($uniq) {
2017	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2378	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2018	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2379	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2019	} else {	2380	} else {
2020	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2381	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2021	}	2382	}
2022	}	2383	}
2023		2384
		2385	sub save {
		2386	my ($self) = @_;
		2387
		2388	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2389
		2390	$self->_save;
		2391	}
		2392
2024	sub swap_out {	2393	sub swap_out {
2025	my ($self) = @_;	2394	my ($self) = @_;
2026		2395
2027	# save first because save cedes
2028	$self->save;
2029
2030	my $lock = cf::lock_acquire "map_data:$self->{path}";	2396	my $lock = cf::lock_acquire "map_data:$self->{path}";
2031		2397
		2398	return if !$self->linkable;
		2399	return if $self->{deny_save};
2032	return if $self->players;	2400	return if $self->players;
2033	return if $self->in_memory != cf::MAP_IN_MEMORY;
2034	return if $self->{deny_save};
2035		2401
		2402	# first deactivate the map and "unlink" it from the core
		2403	$self->deactivate;
		2404	$_->clear_links_to ($self) for values %cf::MAP;
		2405	$self->state (cf::MAP_SWAPPED);
		2406
		2407	# then atomically save
		2408	$self->_save;
		2409
		2410	# then free the map
2036	$self->clear;	2411	$self->clear;
2037	$self->in_memory (cf::MAP_SWAPPED);
2038	}	2412	}
2039		2413
2040	sub reset_at {	2414	sub reset_at {
2041	my ($self) = @_;	2415	my ($self) = @_;
2042		2416
…		…
2060		2434
2061	my $lock = cf::lock_acquire "map_data:$self->{path}";	2435	my $lock = cf::lock_acquire "map_data:$self->{path}";
2062		2436
2063	return if $self->players;	2437	return if $self->players;
2064		2438
2065	warn "resetting map ", $self->path;	2439	cf::trace "resetting map ", $self->path, "\n";
2066		2440
2067	$self->in_memory (cf::MAP_SWAPPED);	2441	$self->state (cf::MAP_SWAPPED);
2068		2442
2069	# need to save uniques path	2443	# need to save uniques path
2070	unless ($self->{deny_save}) {	2444	unless ($self->{deny_save}) {
2071	my $uniq = $self->uniq_path; utf8::encode $uniq;	2445	my $uniq = $self->uniq_path; utf8::encode $uniq;
2072		2446
…		…
2074	if $uniq;	2448	if $uniq;
2075	}	2449	}
2076		2450
2077	delete $cf::MAP{$self->path};	2451	delete $cf::MAP{$self->path};
2078		2452
		2453	$self->deactivate;
		2454	$_->clear_links_to ($self) for values %cf::MAP;
2079	$self->clear;	2455	$self->clear;
2080
2081	$_->clear_links_to ($self) for values %cf::MAP;
2082		2456
2083	$self->unlink_save;	2457	$self->unlink_save;
2084	$self->destroy;	2458	$self->destroy;
2085	}	2459	}
2086		2460
…		…
2094		2468
2095	delete $cf::MAP{$self->path};	2469	delete $cf::MAP{$self->path};
2096		2470
2097	$self->unlink_save;	2471	$self->unlink_save;
2098		2472
2099	bless $self, "cf::map";	2473	bless $self, "cf::map::wrap";
2100	delete $self->{deny_reset};	2474	delete $self->{deny_reset};
2101	$self->{deny_save} = 1;	2475	$self->{deny_save} = 1;
2102	$self->reset_timeout (1);	2476	$self->reset_timeout (1);
2103	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2477	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2104		2478
…		…
2153		2527
2154	sub unique_maps() {	2528	sub unique_maps() {
2155	[	2529	[
2156	map {	2530	map {
2157	utf8::decode $_;	2531	utf8::decode $_;
2158	/\.map$/	2532	s/\.map$//; # TODO future compatibility hack
		2533	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2534	? ()
2159	? normalise $_	2535	: normalise $_
2160	: ()
2161	} @{ aio_readdir $UNIQUEDIR or [] }	2536	} @{ aio_readdir $UNIQUEDIR or [] }
2162	]	2537	]
2163	}	2538	}
2164		2539
2165	package cf;	2540	=item cf::map::static_maps
		2541
		2542	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2543	file in the shared directory excluding F</styles> and F</editor>). May
		2544	block.
		2545
		2546	=cut
		2547
		2548	sub static_maps() {
		2549	my @dirs = "";
		2550	my @maps;
		2551
		2552	while (@dirs) {
		2553	my $dir = shift @dirs;
		2554
		2555	next if $dir eq "/styles" || $dir eq "/editor";
		2556
		2557	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2558	or return;
		2559
		2560	for (@$files) {
		2561	s/\.map$// or next;
		2562	utf8::decode $_;
		2563	push @maps, "$dir/$_";
		2564	}
		2565
		2566	push @dirs, map "$dir/$_", @$dirs;
		2567	}
		2568
		2569	\@maps
		2570	}
2166		2571
2167	=back	2572	=back
2168		2573
2169	=head3 cf::object	2574	=head3 cf::object
2170		2575
…		…
2174		2579
2175	=over 4	2580	=over 4
2176		2581
2177	=item $ob->inv_recursive	2582	=item $ob->inv_recursive
2178		2583
2179	Returns the inventory of the object _and_ their inventories, recursively.	2584	Returns the inventory of the object I<and> their inventories, recursively,
		2585	but I<not> the object itself.
2180		2586
2181	=cut	2587	=cut
2182		2588
2183	sub inv_recursive_;	2589	sub inv_recursive_;
2184	sub inv_recursive_ {	2590	sub inv_recursive_ {
…		…
2187		2593
2188	sub inv_recursive {	2594	sub inv_recursive {
2189	inv_recursive_ inv $_[0]	2595	inv_recursive_ inv $_[0]
2190	}	2596	}
2191		2597
		2598	=item $ref = $ob->ref
		2599
		2600	Creates and returns a persistent reference to an object that can be stored as a string.
		2601
		2602	=item $ob = cf::object::deref ($refstring)
		2603
		2604	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2605	even if the object actually exists. May block.
		2606
		2607	=cut
		2608
		2609	sub deref {
		2610	my ($ref) = @_;
		2611
		2612	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2613	my ($uuid, $name) = ($1, $2);
		2614	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2615	or return;
		2616	$pl->ob->uuid eq $uuid
		2617	or return;
		2618
		2619	$pl->ob
		2620	} else {
		2621	warn "$ref: cannot resolve object reference\n";
		2622	undef
		2623	}
		2624	}
		2625
2192	package cf;	2626	package cf;
2193		2627
2194	=back	2628	=back
2195		2629
2196	=head3 cf::object::player	2630	=head3 cf::object::player
…		…
2202	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2636	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2203	can be C<undef>. Does the right thing when the player is currently in a	2637	can be C<undef>. Does the right thing when the player is currently in a
2204	dialogue with the given NPC character.	2638	dialogue with the given NPC character.
2205		2639
2206	=cut	2640	=cut
		2641
		2642	our $SAY_CHANNEL = {
		2643	id => "say",
		2644	title => "Map",
		2645	reply => "say ",
		2646	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2647	};
		2648
		2649	our $CHAT_CHANNEL = {
		2650	id => "chat",
		2651	title => "Chat",
		2652	reply => "chat ",
		2653	tooltip => "Player chat and shouts, global to the server.",
		2654	};
2207		2655
2208	# rough implementation of a future "reply" method that works	2656	# rough implementation of a future "reply" method that works
2209	# with dialog boxes.	2657	# with dialog boxes.
2210	#TODO: the first argument must go, split into a $npc->reply_to ( method	2658	#TODO: the first argument must go, split into a $npc->reply_to ( method
2211	sub cf::object::player::reply($$$;$) {	2659	sub cf::object::player::reply($$$;$) {
…		…
2223	my $dialog = $pl->{npc_dialog};	2671	my $dialog = $pl->{npc_dialog};
2224	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2672	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2225		2673
2226	} else {	2674	} else {
2227	$msg = $npc->name . " says: $msg" if $npc;	2675	$msg = $npc->name . " says: $msg" if $npc;
2228	$self->message ($msg, $flags);	2676	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2229	}	2677	}
2230	}	2678	}
2231	}	2679	}
2232		2680
2233	=item $object->send_msg ($channel, $msg, $color, [extra...])	2681	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2258		2706
2259	=item $player_object->enter_link	2707	=item $player_object->enter_link
2260		2708
2261	Freezes the player and moves him/her to a special map (C<{link}>).	2709	Freezes the player and moves him/her to a special map (C<{link}>).
2262		2710
2263	The player should be reasonably safe there for short amounts of time. You	2711	The player should be reasonably safe there for short amounts of time (e.g.
2264	I<MUST> call C<leave_link> as soon as possible, though.	2712	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2713	though, as the player cannot control the character while it is on the link
		2714	map.
2265		2715
2266	Will never block.	2716	Will never block.
2267		2717
2268	=item $player_object->leave_link ($map, $x, $y)	2718	=item $player_object->leave_link ($map, $x, $y)
2269		2719
…		…
2289	sub cf::object::player::enter_link {	2739	sub cf::object::player::enter_link {
2290	my ($self) = @_;	2740	my ($self) = @_;
2291		2741
2292	$self->deactivate_recursive;	2742	$self->deactivate_recursive;
2293		2743
		2744	++$self->{_link_recursion};
		2745
2294	return if UNIVERSAL::isa $self->map, "ext::map_link";	2746	return if UNIVERSAL::isa $self->map, "ext::map_link";
2295		2747
2296	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2748	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2297	if $self->map && $self->map->{path} ne "{link}";	2749	if $self->map && $self->map->{path} ne "{link}";
2298		2750
2299	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2751	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2300	}	2752	}
2301		2753
2302	sub cf::object::player::leave_link {	2754	sub cf::object::player::leave_link {
2303	my ($self, $map, $x, $y) = @_;	2755	my ($self, $map, $x, $y) = @_;
2304		2756
…		…
2321	($x, $y) = (-1, -1)	2773	($x, $y) = (-1, -1)
2322	unless (defined $x) && (defined $y);	2774	unless (defined $x) && (defined $y);
2323		2775
2324	# use -1 or undef as default coordinates, not 0, 0	2776	# use -1 or undef as default coordinates, not 0, 0
2325	($x, $y) = ($map->enter_x, $map->enter_y)	2777	($x, $y) = ($map->enter_x, $map->enter_y)
2326	if $x <=0 && $y <= 0;	2778	if $x <= 0 && $y <= 0;
2327		2779
2328	$map->load;	2780	$map->load;
2329	$map->load_neighbours;	2781	$map->load_neighbours;
2330		2782
2331	return unless $self->contr->active;	2783	return unless $self->contr->active;
2332	$self->activate_recursive;
2333		2784
2334	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2785	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2335	$self->enter_map ($map, $x, $y);	2786	if ($self->enter_map ($map, $x, $y)) {
2336	}	2787	# entering was successful
		2788	delete $self->{_link_recursion};
		2789	# only activate afterwards, to support waiting in hooks
		2790	$self->activate_recursive;
		2791	}
2337		2792
		2793	}
		2794
2338	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2795	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2339		2796
2340	Moves the player to the given map-path and coordinates by first freezing	2797	Moves the player to the given map-path and coordinates by first freezing
2341	her, loading and preparing them map, calling the provided $check callback	2798	her, loading and preparing them map, calling the provided $check callback
2342	that has to return the map if sucecssful, and then unfreezes the player on	2799	that has to return the map if sucecssful, and then unfreezes the player on
2343	the new (success) or old (failed) map position. In either case, $done will	2800	the new (success) or old (failed) map position. In either case, $done will
2344	be called at the end of this process.	2801	be called at the end of this process.
2345		2802
		2803	Note that $check will be called with a potentially non-loaded map, so if
		2804	it needs a loaded map it has to call C<< ->load >>.
		2805
2346	=cut	2806	=cut
2347		2807
2348	our $GOTOGEN;	2808	our $GOTOGEN;
2349		2809
2350	sub cf::object::player::goto {	2810	sub cf::object::player::goto {
2351	my ($self, $path, $x, $y, $check, $done) = @_;	2811	my ($self, $path, $x, $y, $check, $done) = @_;
2352		2812
		2813	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2814	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2815	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2816	($path, $x, $y) = @$EMERGENCY_POSITION;
		2817	}
		2818
2353	# do generation counting so two concurrent goto's will be executed in-order	2819	# do generation counting so two concurrent goto's will be executed in-order
2354	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2820	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2355		2821
2356	$self->enter_link;	2822	$self->enter_link;
2357		2823
2358	(async {	2824	(async {
		2825	$Coro::current->{desc} = "player::goto $path $x $y";
		2826
		2827	# *tag paths override both path and x|y
		2828	if ($path =~ /^\*(.*)$/) {
		2829	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2830	my $ob = $obs[rand @obs];
		2831
		2832	# see if we actually can go there
		2833	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2834	$ob = $obs[rand @obs];
		2835	} else {
		2836	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2837	}
		2838	# else put us there anyways for now #d#
		2839
		2840	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2841	} else {
		2842	($path, $x, $y) = (undef, undef, undef);
		2843	}
		2844	}
		2845
2359	my $map = eval {	2846	my $map = eval {
2360	my $map = cf::map::find $path;	2847	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2361		2848
2362	if ($map) {	2849	if ($map) {
2363	$map = $map->customise_for ($self);	2850	$map = $map->customise_for ($self);
2364	$map = $check->($map) if $check && $map;	2851	$map = $check->($map, $x, $y, $self) if $check && $map;
2365	} else {	2852	} else {
2366	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2853	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2367	}	2854	}
2368		2855
2369	$map	2856	$map
2370	};	2857	};
2371		2858
…		…
2377	if ($gen == $self->{_goto_generation}) {	2864	if ($gen == $self->{_goto_generation}) {
2378	delete $self->{_goto_generation};	2865	delete $self->{_goto_generation};
2379	$self->leave_link ($map, $x, $y);	2866	$self->leave_link ($map, $x, $y);
2380	}	2867	}
2381		2868
2382	$done->() if $done;	2869	$done->($self) if $done;
2383	})->prio (1);	2870	})->prio (1);
2384	}	2871	}
2385		2872
2386	=item $player_object->enter_exit ($exit_object)	2873	=item $player_object->enter_exit ($exit_object)
2387		2874
…		…
2407	}	2894	}
2408		2895
2409	sub prepare_random_map {	2896	sub prepare_random_map {
2410	my ($exit) = @_;	2897	my ($exit) = @_;
2411		2898
2412	my $guard = cf::lock_acquire "exit_prepare:$exit";
2413
2414	# all this does is basically replace the /! path by	2899	# all this does is basically replace the /! path by
2415	# a new random map path (?random/...) with a seed	2900	# a new random map path (?random/...) with a seed
2416	# that depends on the exit object	2901	# that depends on the exit object
2417		2902
2418	my $rmp = parse_random_map_params $exit->msg;	2903	my $rmp = parse_random_map_params $exit->msg;
…		…
2420	if ($exit->map) {	2905	if ($exit->map) {
2421	$rmp->{region} = $exit->region->name;	2906	$rmp->{region} = $exit->region->name;
2422	$rmp->{origin_map} = $exit->map->path;	2907	$rmp->{origin_map} = $exit->map->path;
2423	$rmp->{origin_x} = $exit->x;	2908	$rmp->{origin_x} = $exit->x;
2424	$rmp->{origin_y} = $exit->y;	2909	$rmp->{origin_y} = $exit->y;
		2910
		2911	$exit->map->touch;
2425	}	2912	}
2426		2913
2427	$rmp->{random_seed} ||= $exit->random_seed;	2914	$rmp->{random_seed} ||= $exit->random_seed;
2428		2915
2429	my $data = cf::to_json $rmp;	2916	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2430	my $md5 = Digest::MD5::md5_hex $data;	2917	my $md5 = Digest::MD5::md5_hex $data;
2431	my $meta = "$RANDOMDIR/$md5.meta";	2918	my $meta = "$RANDOMDIR/$md5.meta";
2432		2919
2433	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2920	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2434	aio_write $fh, 0, (length $data), $data, 0;	2921	aio_write $fh, 0, (length $data), $data, 0;
2435	undef $fh;	2922	undef $fh;
2436	aio_rename "$meta~", $meta;	2923	aio_rename "$meta~", $meta;
2437		2924
		2925	my $slaying = "?random/$md5";
		2926
		2927	if ($exit->valid) {
2438	$exit->slaying ("?random/$md5");	2928	$exit->slaying ("?random/$md5");
2439	$exit->msg (undef);	2929	$exit->msg (undef);
		2930	}
2440	}	2931	}
2441	}	2932	}
2442		2933
2443	sub cf::object::player::enter_exit {	2934	sub cf::object::player::enter_exit {
2444	my ($self, $exit) = @_;	2935	my ($self, $exit) = @_;
2445		2936
2446	return unless $self->type == cf::PLAYER;	2937	return unless $self->type == cf::PLAYER;
2447		2938
2448	if ($exit->slaying eq "/!") {
2449	#TODO: this should de-fi-ni-te-ly not be a sync-job
2450	# the problem is that $exit might not survive long enough
2451	# so it needs to be done right now, right here
2452	cf::sync_job { prepare_random_map $exit };
2453	}
2454
2455	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2456	my $hp = $exit->stats->hp;
2457	my $sp = $exit->stats->sp;
2458
2459	$self->enter_link;	2939	$self->enter_link;
2460		2940
2461	# if exit is damned, update players death & WoR home-position
2462	$self->contr->savebed ($slaying, $hp, $sp)
2463	if $exit->flag (FLAG_DAMNED);
2464
2465	(async {	2941	(async {
2466	$self->deactivate_recursive; # just to be sure	2942	$Coro::current->{desc} = "enter_exit";
		2943
2467	unless (eval {	2944	unless (eval {
		2945	$self->deactivate_recursive; # just to be sure
		2946
		2947	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2948	my $x = $exit->stats->hp;
		2949	my $y = $exit->stats->sp;
		2950
		2951	# special map handling
		2952	my $slaying = $exit->slaying;
		2953
		2954	# special map handling
		2955	if ($slaying eq "/!") {
		2956	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2957
		2958	prepare_random_map $exit
		2959	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2960
		2961	$map = $exit->slaying;
		2962
		2963	} elsif ($slaying eq '!up') {
		2964	$map = $exit->map->tile_path (cf::TILE_UP);
		2965	$x = $exit->x;
		2966	$y = $exit->y;
		2967
		2968	} elsif ($slaying eq '!down') {
		2969	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2970	$x = $exit->x;
		2971	$y = $exit->y;
		2972	}
		2973
2468	$self->goto ($slaying, $hp, $sp);	2974	$self->goto ($map, $x, $y);
2469		2975
		2976	# if exit is damned, update players death & WoR home-position
		2977	$self->contr->savebed ($map, $x, $y)
		2978	if $exit->flag (cf::FLAG_DAMNED);
		2979
2470	1;	2980	1
2471	}) {	2981	}) {
2472	$self->message ("Something went wrong deep within the crossfire server. "	2982	$self->message ("Something went wrong deep within the deliantra server. "
2473	. "I'll try to bring you back to the map you were before. "	2983	. "I'll try to bring you back to the map you were before. "
2474	. "Please report this to the dungeon master!",	2984	. "Please report this to the dungeon master!",
2475	cf::NDI_UNIQUE | cf::NDI_RED);	2985	cf::NDI_UNIQUE | cf::NDI_RED);
2476		2986
2477	warn "ERROR in enter_exit: $@";	2987	error "ERROR in enter_exit: $@";
2478	$self->leave_link;	2988	$self->leave_link;
2479	}	2989	}
2480	})->prio (1);	2990	})->prio (1);
2481	}	2991	}
2482		2992
…		…
2494	sub cf::client::send_drawinfo {	3004	sub cf::client::send_drawinfo {
2495	my ($self, $text, $flags) = @_;	3005	my ($self, $text, $flags) = @_;
2496		3006
2497	utf8::encode $text;	3007	utf8::encode $text;
2498	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3008	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3009	}
		3010
		3011	=item $client->send_big_packet ($pkt)
		3012
		3013	Like C<send_packet>, but tries to compress large packets, and fragments
		3014	them as required.
		3015
		3016	=cut
		3017
		3018	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3019
		3020	sub cf::client::send_big_packet {
		3021	my ($self, $pkt) = @_;
		3022
		3023	# try lzf for large packets
		3024	$pkt = "lzf " . Compress::LZF::compress $pkt
		3025	if 1024 <= length $pkt and $self->{can_lzf};
		3026
		3027	# split very large packets
		3028	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3029	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3030	$pkt = "frag";
		3031	}
		3032
		3033	$self->send_packet ($pkt);
2499	}	3034	}
2500		3035
2501	=item $client->send_msg ($channel, $msg, $color, [extra...])	3036	=item $client->send_msg ($channel, $msg, $color, [extra...])
2502		3037
2503	Send a drawinfo or msg packet to the client, formatting the msg for the	3038	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2505	the message, with C<log> being the default. If C<$color> is negative, suppress	3040	the message, with C<log> being the default. If C<$color> is negative, suppress
2506	the message unless the client supports the msg packet.	3041	the message unless the client supports the msg packet.
2507		3042
2508	=cut	3043	=cut
2509		3044
		3045	# non-persistent channels (usually the info channel)
2510	our %CHANNEL = (	3046	our %CHANNEL = (
		3047	"c/motd" => {
		3048	id => "infobox",
		3049	title => "MOTD",
		3050	reply => undef,
		3051	tooltip => "The message of the day",
		3052	},
2511	"c/identify" => {	3053	"c/identify" => {
2512	id => "identify",	3054	id => "infobox",
2513	title => "Identify",	3055	title => "Identify",
2514	reply => undef,	3056	reply => undef,
2515	tooltip => "Items recently identified",	3057	tooltip => "Items recently identified",
2516	},	3058	},
2517	"c/examine" => {	3059	"c/examine" => {
2518	id => "examine",	3060	id => "infobox",
2519	title => "Examine",	3061	title => "Examine",
2520	reply => undef,	3062	reply => undef,
2521	tooltip => "Signs and other items you examined",	3063	tooltip => "Signs and other items you examined",
2522	},	3064	},
		3065	"c/shopinfo" => {
		3066	id => "infobox",
		3067	title => "Shop Info",
		3068	reply => undef,
		3069	tooltip => "What your bargaining skill tells you about the shop",
		3070	},
		3071	"c/book" => {
		3072	id => "infobox",
		3073	title => "Book",
		3074	reply => undef,
		3075	tooltip => "The contents of a note or book",
		3076	},
		3077	"c/lookat" => {
		3078	id => "infobox",
		3079	title => "Look",
		3080	reply => undef,
		3081	tooltip => "What you saw there",
		3082	},
		3083	"c/who" => {
		3084	id => "infobox",
		3085	title => "Players",
		3086	reply => undef,
		3087	tooltip => "Shows players who are currently online",
		3088	},
		3089	"c/body" => {
		3090	id => "infobox",
		3091	title => "Body Parts",
		3092	reply => undef,
		3093	tooltip => "Shows which body parts you posess and are available",
		3094	},
		3095	"c/statistics" => {
		3096	id => "infobox",
		3097	title => "Statistics",
		3098	reply => undef,
		3099	tooltip => "Shows your primary statistics",
		3100	},
		3101	"c/skills" => {
		3102	id => "infobox",
		3103	title => "Skills",
		3104	reply => undef,
		3105	tooltip => "Shows your experience per skill and item power",
		3106	},
		3107	"c/shopitems" => {
		3108	id => "infobox",
		3109	title => "Shop Items",
		3110	reply => undef,
		3111	tooltip => "Shows the items currently for sale in this shop",
		3112	},
		3113	"c/resistances" => {
		3114	id => "infobox",
		3115	title => "Resistances",
		3116	reply => undef,
		3117	tooltip => "Shows your resistances",
		3118	},
		3119	"c/pets" => {
		3120	id => "infobox",
		3121	title => "Pets",
		3122	reply => undef,
		3123	tooltip => "Shows information abotu your pets/a specific pet",
		3124	},
		3125	"c/perceiveself" => {
		3126	id => "infobox",
		3127	title => "Perceive Self",
		3128	reply => undef,
		3129	tooltip => "You gained detailed knowledge about yourself",
		3130	},
		3131	"c/uptime" => {
		3132	id => "infobox",
		3133	title => "Uptime",
		3134	reply => undef,
		3135	tooltip => "How long the server has been running since last restart",
		3136	},
		3137	"c/mapinfo" => {
		3138	id => "infobox",
		3139	title => "Map Info",
		3140	reply => undef,
		3141	tooltip => "Information related to the maps",
		3142	},
		3143	"c/party" => {
		3144	id => "party",
		3145	title => "Party",
		3146	reply => "gsay ",
		3147	tooltip => "Messages and chat related to your party",
		3148	},
		3149	"c/death" => {
		3150	id => "death",
		3151	title => "Death",
		3152	reply => undef,
		3153	tooltip => "Reason for and more info about your most recent death",
		3154	},
		3155	"c/say" => $SAY_CHANNEL,
		3156	"c/chat" => $CHAT_CHANNEL,
2523	);	3157	);
2524		3158
2525	sub cf::client::send_msg {	3159	sub cf::client::send_msg {
2526	my ($self, $channel, $msg, $color, @extra) = @_;	3160	my ($self, $channel, $msg, $color, @extra) = @_;
2527		3161
2528	$msg = $self->pl->expand_cfpod ($msg);	3162	$msg = $self->pl->expand_cfpod ($msg)
		3163	unless $color & cf::NDI_VERBATIM;
2529		3164
2530	$color &= cf::NDI_CLIENT_MASK; # just in case...	3165	$color &= cf::NDI_CLIENT_MASK; # just in case...
2531		3166
2532	# check predefined channels, for the benefit of C	3167	# check predefined channels, for the benefit of C
2533	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	3168	if ($CHANNEL{$channel}) {
		3169	$channel = $CHANNEL{$channel};
2534		3170
		3171	$self->ext_msg (channel_info => $channel);
		3172	$channel = $channel->{id};
		3173
2535	if (ref $channel) {	3174	} elsif (ref $channel) {
2536	# send meta info to client, if not yet sent	3175	# send meta info to client, if not yet sent
2537	unless (exists $self->{channel}{$channel->{id}}) {	3176	unless (exists $self->{channel}{$channel->{id}}) {
2538	$self->{channel}{$channel->{id}} = $channel;	3177	$self->{channel}{$channel->{id}} = $channel;
2539	$self->ext_msg (channel_info => $channel);	3178	$self->ext_msg (channel_info => $channel);
2540	}	3179	}
…		…
2542	$channel = $channel->{id};	3181	$channel = $channel->{id};
2543	}	3182	}
2544		3183
2545	return unless @extra || length $msg;	3184	return unless @extra || length $msg;
2546		3185
2547	if ($self->can_msg) {
2548	# default colour, mask it out	3186	# default colour, mask it out
2549	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3187	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2550	if $color & cf::NDI_DEF;	3188	if $color & cf::NDI_DEF;
2551		3189
2552	$self->send_packet ("msg " . $self->{json_coder}->encode (	3190	my $pkt = "msg "
		3191	. $self->{json_coder}->encode (
2553	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3192	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2554	} else {	3193	);
2555	if ($color >= 0) {
2556	# replace some tags by gcfclient-compatible ones
2557	for ($msg) {
2558	1 while
2559	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2560	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2561	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2562	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2563	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2564	}
2565		3194
2566	$color &= cf::NDI_COLOR_MASK;	3195	$self->send_big_packet ($pkt);
2567
2568	utf8::encode $msg;
2569
2570	if (0 && $msg =~ /\[/) {
2571	# COMMAND/INFO
2572	$self->send_packet ("drawextinfo $color 10 8 $msg")
2573	} else {
2574	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2575	$self->send_packet ("drawinfo $color $msg")
2576	}
2577	}
2578	}
2579	}	3196	}
2580		3197
2581	=item $client->ext_msg ($type, @msg)	3198	=item $client->ext_msg ($type, @msg)
2582		3199
2583	Sends an ext event to the client.	3200	Sends an ext event to the client.
…		…
2586		3203
2587	sub cf::client::ext_msg($$@) {	3204	sub cf::client::ext_msg($$@) {
2588	my ($self, $type, @msg) = @_;	3205	my ($self, $type, @msg) = @_;
2589		3206
2590	if ($self->extcmd == 2) {	3207	if ($self->extcmd == 2) {
2591	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3208	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2592	} elsif ($self->extcmd == 1) { # TODO: remove	3209	} elsif ($self->extcmd == 1) { # TODO: remove
2593	push @msg, msgtype => "event_$type";	3210	push @msg, msgtype => "event_$type";
2594	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3211	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2595	}	3212	}
2596	}	3213	}
2597		3214
2598	=item $client->ext_reply ($msgid, @msg)	3215	=item $client->ext_reply ($msgid, @msg)
2599		3216
…		…
2603		3220
2604	sub cf::client::ext_reply($$@) {	3221	sub cf::client::ext_reply($$@) {
2605	my ($self, $id, @msg) = @_;	3222	my ($self, $id, @msg) = @_;
2606		3223
2607	if ($self->extcmd == 2) {	3224	if ($self->extcmd == 2) {
2608	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3225	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2609	} elsif ($self->extcmd == 1) {	3226	} elsif ($self->extcmd == 1) {
2610	#TODO: version 1, remove	3227	#TODO: version 1, remove
2611	unshift @msg, msgtype => "reply", msgid => $id;	3228	unshift @msg, msgtype => "reply", msgid => $id;
2612	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3229	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2613	}	3230	}
2614	}	3231	}
2615		3232
2616	=item $success = $client->query ($flags, "text", \&cb)	3233	=item $success = $client->query ($flags, "text", \&cb)
2617		3234
…		…
2688		3305
2689	$ns->ext_reply ($reply, @reply)	3306	$ns->ext_reply ($reply, @reply)
2690	if $reply;	3307	if $reply;
2691		3308
2692	} else {	3309	} else {
2693	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3310	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2694	}	3311	}
2695		3312
2696	cf::override;	3313	cf::override;
2697	},	3314	},
2698	);	3315	);
…		…
2718		3335
2719	$coro	3336	$coro
2720	}	3337	}
2721		3338
2722	cf::client->attach (	3339	cf::client->attach (
2723	on_destroy => sub {	3340	on_client_destroy => sub {
2724	my ($ns) = @_;	3341	my ($ns) = @_;
2725		3342
2726	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3343	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2727	},	3344	},
2728	);	3345	);
…		…
2744	our $safe_hole = new Safe::Hole;	3361	our $safe_hole = new Safe::Hole;
2745		3362
2746	$SIG{FPE} = 'IGNORE';	3363	$SIG{FPE} = 'IGNORE';
2747		3364
2748	$safe->permit_only (Opcode::opset qw(	3365	$safe->permit_only (Opcode::opset qw(
2749	:base_core :base_mem :base_orig :base_math	3366	:base_core :base_mem :base_orig :base_math :base_loop
2750	grepstart grepwhile mapstart mapwhile	3367	grepstart grepwhile mapstart mapwhile
2751	sort time	3368	sort time
2752	));	3369	));
2753		3370
2754	# here we export the classes and methods available to script code	3371	# here we export the classes and methods available to script code
…		…
2756	=pod	3373	=pod
2757		3374
2758	The following functions and methods are available within a safe environment:	3375	The following functions and methods are available within a safe environment:
2759		3376
2760	cf::object	3377	cf::object
2761	contr pay_amount pay_player map x y force_find force_add	3378	contr pay_amount pay_player map x y force_find force_add destroy
2762	insert remove name archname title slaying race decrease_ob_nr	3379	insert remove name archname title slaying race decrease split
		3380	value
2763		3381
2764	cf::object::player	3382	cf::object::player
2765	player	3383	player
2766		3384
2767	cf::player	3385	cf::player
…		…
2772		3390
2773	=cut	3391	=cut
2774		3392
2775	for (	3393	for (
2776	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3394	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2777	insert remove inv name archname title slaying race	3395	insert remove inv nrof name archname title slaying race
2778	decrease_ob_nr)],	3396	decrease split destroy change_exp value msg lore send_msg)],
2779	["cf::object::player" => qw(player)],	3397	["cf::object::player" => qw(player)],
2780	["cf::player" => qw(peaceful)],	3398	["cf::player" => qw(peaceful send_msg)],
2781	["cf::map" => qw(trigger)],	3399	["cf::map" => qw(trigger)],
2782	) {	3400	) {
2783	no strict 'refs';
2784	my ($pkg, @funs) = @$_;	3401	my ($pkg, @funs) = @$_;
2785	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3402	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2786	for @funs;	3403	for @funs;
2787	}	3404	}
2788		3405
…		…
2803		3420
2804	my $qcode = $code;	3421	my $qcode = $code;
2805	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3422	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2806	$qcode =~ s/\n/\\n/g;	3423	$qcode =~ s/\n/\\n/g;
2807		3424
		3425	%vars = (_dummy => 0) unless %vars;
		3426
		3427	my @res;
2808	local $_;	3428	local $_;
2809	local @safe::cf::_safe_eval_args = values %vars;
2810		3429
2811	my $eval =	3430	my $eval =
2812	"do {\n"	3431	"do {\n"
2813	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3432	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2814	. "#line 0 \"{$qcode}\"\n"	3433	. "#line 0 \"{$qcode}\"\n"
2815	. $code	3434	. $code
2816	. "\n}"	3435	. "\n}"
2817	;	3436	;
2818		3437
		3438	if ($CFG{safe_eval}) {
2819	sub_generation_inc;	3439	sub_generation_inc;
		3440	local @safe::cf::_safe_eval_args = values %vars;
2820	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3441	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2821	sub_generation_inc;	3442	sub_generation_inc;
		3443	} else {
		3444	local @cf::_safe_eval_args = values %vars;
		3445	@res = wantarray ? eval eval : scalar eval $eval;
		3446	}
2822		3447
2823	if ($@) {	3448	if ($@) {
2824	warn "$@";	3449	warn "$@",
2825	warn "while executing safe code '$code'\n";	3450	"while executing safe code '$code'\n",
2826	warn "with arguments " . (join " ", %vars) . "\n";	3451	"with arguments " . (join " ", %vars) . "\n";
2827	}	3452	}
2828		3453
2829	wantarray ? @res : $res[0]	3454	wantarray ? @res : $res[0]
2830	}	3455	}
2831		3456
…		…
2845	=cut	3470	=cut
2846		3471
2847	sub register_script_function {	3472	sub register_script_function {
2848	my ($fun, $cb) = @_;	3473	my ($fun, $cb) = @_;
2849		3474
2850	no strict 'refs';	3475	$fun = "safe::$fun" if $CFG{safe_eval};
2851	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3476	*$fun = $safe_hole->wrap ($cb);
2852	}	3477	}
2853		3478
2854	=back	3479	=back
2855		3480
2856	=cut	3481	=cut
…		…
2865	# for this (global event?)	3490	# for this (global event?)
2866	%ext::player_env::MUSIC_FACE_CACHE = ();	3491	%ext::player_env::MUSIC_FACE_CACHE = ();
2867		3492
2868	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3493	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2869		3494
2870	warn "loading facedata from $path\n";	3495	trace "loading facedata from $path\n";
2871		3496
2872	my $facedata;	3497	my $facedata = decode_storable load_file $path;
2873	0 < aio_load $path, $facedata
2874	or die "$path: $!";
2875
2876	$facedata = Coro::Storable::thaw $facedata;
2877		3498
2878	$facedata->{version} == 2	3499	$facedata->{version} == 2
2879	or cf::cleanup "$path: version mismatch, cannot proceed.";	3500	or cf::cleanup "$path: version mismatch, cannot proceed.";
2880		3501
2881	# patch in the exptable	3502	# patch in the exptable
		3503	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2882	$facedata->{resource}{"res/exp_table"} = {	3504	$facedata->{resource}{"res/exp_table"} = {
2883	type => FT_RSRC,	3505	type => FT_RSRC,
2884	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3506	data => $exp_table,
		3507	hash => (Digest::MD5::md5 $exp_table),
2885	};	3508	};
2886	cf::cede_to_tick;	3509	cf::cede_to_tick;
2887		3510
2888	{	3511	{
2889	my $faces = $facedata->{faceinfo};	3512	my $faces = $facedata->{faceinfo};
2890		3513
2891	while (my ($face, $info) = each %$faces) {	3514	while (my ($face, $info) = each %$faces) {
2892	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3515	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3516
2893	cf::face::set_visibility $idx, $info->{visibility};	3517	cf::face::set_visibility $idx, $info->{visibility};
2894	cf::face::set_magicmap $idx, $info->{magicmap};	3518	cf::face::set_magicmap $idx, $info->{magicmap};
2895	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3519	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2896	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3520	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3521	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2897		3522
2898	cf::cede_to_tick;	3523	cf::cede_to_tick;
2899	}	3524	}
2900		3525
2901	while (my ($face, $info) = each %$faces) {	3526	while (my ($face, $info) = each %$faces) {
2902	next unless $info->{smooth};	3527	next unless $info->{smooth};
		3528
2903	my $idx = cf::face::find $face	3529	my $idx = cf::face::find $face
2904	or next;	3530	or next;
		3531
2905	if (my $smooth = cf::face::find $info->{smooth}) {	3532	if (my $smooth = cf::face::find $info->{smooth}) {
2906	cf::face::set_smooth $idx, $smooth;	3533	cf::face::set_smooth $idx, $smooth;
2907	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3534	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2908	} else {	3535	} else {
2909	warn "smooth face '$info->{smooth}' not found for face '$face'";	3536	error "smooth face '$info->{smooth}' not found for face '$face'";
2910	}	3537	}
2911		3538
2912	cf::cede_to_tick;	3539	cf::cede_to_tick;
2913	}	3540	}
2914	}	3541	}
…		…
2923		3550
2924	cf::anim::invalidate_all; # d'oh	3551	cf::anim::invalidate_all; # d'oh
2925	}	3552	}
2926		3553
2927	{	3554	{
2928	# TODO: for gcfclient pleasure, we should give resources
2929	# that gcfclient doesn't grok a >10000 face index.
2930	my $res = $facedata->{resource};	3555	my $res = $facedata->{resource};
2931		3556
2932	my $soundconf = delete $res->{"res/sound.conf"};
2933
2934	while (my ($name, $info) = each %$res) {	3557	while (my ($name, $info) = each %$res) {
		3558	if (defined $info->{type}) {
2935	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3559	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2936	my $data;
2937		3560
2938	if ($info->{type} & 1) {	3561	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2939	# prepend meta info	3562	cf::face::set_type $idx, $info->{type};
2940
2941	my $meta = $enc->encode ({
2942	name => $name,
2943	%{ $info->{meta} || {} },
2944	});
2945
2946	$data = pack "(w/a*)*", $meta, $info->{data};
2947	} else {	3563	} else {
2948	$data = $info->{data};	3564	$RESOURCE{$name} = $info; # unused
2949	}	3565	}
2950		3566
2951	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2952	cf::face::set_type $idx, $info->{type};
2953
2954	cf::cede_to_tick;	3567	cf::cede_to_tick;
2955	}	3568	}
2956
2957	if ($soundconf) {
2958	$soundconf = $enc->decode (delete $soundconf->{data});
2959
2960	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2961	my $sound = $soundconf->{compat}[$_]
2962	or next;
2963
2964	my $face = cf::face::find "sound/$sound->[1]";
2965	cf::sound::set $sound->[0] => $face;
2966	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2967	}
2968
2969	while (my ($k, $v) = each %{$soundconf->{event}}) {
2970	my $face = cf::face::find "sound/$v";
2971	cf::sound::set $k => $face;
2972	}
2973	}
2974	}	3569	}
		3570
		3571	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2975		3572
2976	1	3573	1
2977	}	3574	}
2978		3575
2979	register_exticmd fx_want => sub {	3576	register_exticmd fx_want => sub {
…		…
2981		3578
2982	while (my ($k, $v) = each %$want) {	3579	while (my ($k, $v) = each %$want) {
2983	$ns->fx_want ($k, $v);	3580	$ns->fx_want ($k, $v);
2984	}	3581	}
2985	};	3582	};
		3583
		3584	sub load_resource_file($) {
		3585	my $guard = lock_acquire "load_resource_file";
		3586
		3587	my $status = load_resource_file_ $_[0];
		3588	get_slot 0.1, 100;
		3589	cf::arch::commit_load;
		3590
		3591	$status
		3592	}
2986		3593
2987	sub reload_regions {	3594	sub reload_regions {
2988	# HACK to clear player env face cache, we need some signal framework	3595	# HACK to clear player env face cache, we need some signal framework
2989	# for this (global event?)	3596	# for this (global event?)
2990	%ext::player_env::MUSIC_FACE_CACHE = ();	3597	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3004	}	3611	}
3005		3612
3006	sub reload_archetypes {	3613	sub reload_archetypes {
3007	load_resource_file "$DATADIR/archetypes"	3614	load_resource_file "$DATADIR/archetypes"
3008	or die "unable to load archetypes\n";	3615	or die "unable to load archetypes\n";
3009	#d# NEED to laod twice to resolve forward references
3010	# this really needs to be done in an extra post-pass
3011	# (which needs to be synchronous, so solve it differently)
3012	load_resource_file "$DATADIR/archetypes"
3013	or die "unable to load archetypes\n";
3014	}	3616	}
3015		3617
3016	sub reload_treasures {	3618	sub reload_treasures {
3017	load_resource_file "$DATADIR/treasures"	3619	load_resource_file "$DATADIR/treasures"
3018	or die "unable to load treasurelists\n";	3620	or die "unable to load treasurelists\n";
3019	}	3621	}
3020		3622
		3623	sub reload_sound {
		3624	trace "loading sound config from $DATADIR/sound\n";
		3625
		3626	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3627
		3628	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3629	my $sound = $soundconf->{compat}[$_]
		3630	or next;
		3631
		3632	my $face = cf::face::find "sound/$sound->[1]";
		3633	cf::sound::set $sound->[0] => $face;
		3634	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3635	}
		3636
		3637	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3638	my $face = cf::face::find "sound/$v";
		3639	cf::sound::set $k => $face;
		3640	}
		3641	}
		3642
3021	sub reload_resources {	3643	sub reload_resources {
3022	warn "reloading resource files...\n";	3644	trace "reloading resource files...\n";
3023		3645
		3646	reload_exp_table;
		3647	reload_materials;
		3648	reload_facedata;
		3649	reload_sound;
		3650	reload_archetypes;
3024	reload_regions;	3651	reload_regions;
3025	reload_facedata;
3026	#reload_archetypes;#d#
3027	reload_archetypes;
3028	reload_treasures;	3652	reload_treasures;
3029		3653
3030	warn "finished reloading resource files\n";	3654	trace "finished reloading resource files\n";
3031	}
3032
3033	sub init {
3034	reload_resources;
3035	}	3655	}
3036		3656
3037	sub reload_config {	3657	sub reload_config {
3038	open my $fh, "<:utf8", "$CONFDIR/config"	3658	trace "reloading config file...\n";
3039	or return;
3040		3659
3041	local $/;	3660	my $config = load_file "$CONFDIR/config";
3042	*CFG = YAML::Syck::Load <$fh>;	3661	utf8::decode $config;
		3662	*CFG = decode_yaml $config;
3043		3663
3044	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3664	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3045		3665
3046	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3666	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3047	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3667	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3048		3668
3049	if (exists $CFG{mlockall}) {	3669	if (exists $CFG{mlockall}) {
…		…
3053	};	3673	};
3054	warn $@ if $@;	3674	warn $@ if $@;
3055	}	3675	}
3056	}	3676	}
3057		3677
		3678	sub pidfile() {
		3679	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3680	or die "$PIDFILE: $!";
		3681	flock $fh, &Fcntl::LOCK_EX
		3682	or die "$PIDFILE: flock: $!";
		3683	$fh
		3684	}
		3685
		3686	# make sure only one server instance is running at any one time
		3687	sub atomic {
		3688	my $fh = pidfile;
		3689
		3690	my $pid = <$fh>;
		3691	kill 9, $pid if $pid > 0;
		3692
		3693	seek $fh, 0, 0;
		3694	print $fh $$;
		3695	}
		3696
		3697	sub main_loop {
		3698	trace "EV::loop starting\n";
		3699	if (1) {
		3700	EV::loop;
		3701	}
		3702	trace "EV::loop returned\n";
		3703	goto &main_loop unless $REALLY_UNLOOP;
		3704	}
		3705
3058	sub main {	3706	sub main {
		3707	cf::init_globals; # initialise logging
		3708
		3709	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3710	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3711	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3712	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3713
		3714	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3715
3059	# we must not ever block the main coroutine	3716	# we must not ever block the main coroutine
3060	local $Coro::idle = sub {	3717	local $Coro::idle = sub {
3061	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3718	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3062	(async {	3719	(async {
3063	Event::one_event;	3720	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3721	EV::loop EV::LOOP_ONESHOT;
3064	})->prio (Coro::PRIO_MAX);	3722	})->prio (Coro::PRIO_MAX);
3065	};	3723	};
3066		3724
		3725	evthread_start IO::AIO::poll_fileno;
		3726
		3727	cf::sync_job {
		3728	cf::incloader::init ();
		3729
		3730	cf::init_anim;
		3731	cf::init_attackmess;
		3732	cf::init_dynamic;
		3733
		3734	cf::load_settings;
		3735
		3736	reload_resources;
3067	reload_config;	3737	reload_config;
3068	db_init;	3738	db_init;
		3739
		3740	cf::init_uuid;
		3741	cf::init_signals;
		3742	cf::init_skills;
		3743
		3744	cf::init_beforeplay;
		3745
		3746	atomic;
		3747
3069	load_extensions;	3748	load_extensions;
3070		3749
3071	$TICK_WATCHER->start;	3750	utime time, time, $RUNTIMEFILE;
3072	Event::loop;	3751
		3752	# no (long-running) fork's whatsoever before this point(!)
		3753	use POSIX ();
		3754	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3755
		3756	cf::_post_init 0;
		3757	};
		3758
		3759	cf::object::thawer::errors_are_fatal 0;
		3760	info "parse errors in files are no longer fatal from this point on.\n";
		3761
		3762	my $free_main; $free_main = EV::idle sub {
		3763	undef $free_main;
		3764	undef &main; # free gobs of memory :)
		3765	};
		3766
		3767	goto &main_loop;
3073	}	3768	}
3074		3769
3075	#############################################################################	3770	#############################################################################
3076	# initialisation and cleanup	3771	# initialisation and cleanup
3077		3772
3078	# install some emergency cleanup handlers	3773	# install some emergency cleanup handlers
3079	BEGIN {	3774	BEGIN {
		3775	our %SIGWATCHER = ();
3080	for my $signal (qw(INT HUP TERM)) {	3776	for my $signal (qw(INT HUP TERM)) {
3081	Event->signal (	3777	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3082	reentrant => 0,
3083	data => WF_AUTOCANCEL,
3084	signal => $signal,
3085	prio => 0,
3086	cb => sub {
3087	cf::cleanup "SIG$signal";	3778	cf::cleanup "SIG$signal";
3088	},
3089	);	3779	};
3090	}	3780	}
3091	}	3781	}
3092		3782
3093	sub write_runtime {	3783	sub write_runtime_sync {
3094	my $runtime = "$LOCALDIR/runtime";	3784	my $t0 = AE::time;
3095		3785
3096	# first touch the runtime file to show we are still running:	3786	# first touch the runtime file to show we are still running:
3097	# the fsync below can take a very very long time.	3787	# the fsync below can take a very very long time.
3098		3788
3099	IO::AIO::aio_utime $runtime, undef, undef;	3789	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3100		3790
3101	my $guard = cf::lock_acquire "write_runtime";	3791	my $guard = cf::lock_acquire "write_runtime";
3102		3792
3103	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3793	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3104	or return;	3794	or return;
3105		3795
3106	my $value = $cf::RUNTIME + 90 + 10;	3796	my $value = $cf::RUNTIME + 90 + 10;
3107	# 10 is the runtime save interval, for a monotonic clock	3797	# 10 is the runtime save interval, for a monotonic clock
3108	# 60 allows for the watchdog to kill the server.	3798	# 60 allows for the watchdog to kill the server.
…		…
3118	aio_utime $fh, undef, undef;	3808	aio_utime $fh, undef, undef;
3119		3809
3120	close $fh	3810	close $fh
3121	or return;	3811	or return;
3122		3812
3123	aio_rename "$runtime~", $runtime	3813	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3124	and return;	3814	and return;
3125		3815
3126	warn "runtime file written.\n";	3816	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3127		3817
3128	1	3818	1
		3819	}
		3820
		3821	our $uuid_lock;
		3822	our $uuid_skip;
		3823
		3824	sub write_uuid_sync($) {
		3825	$uuid_skip ||= $_[0];
		3826
		3827	return if $uuid_lock;
		3828	local $uuid_lock = 1;
		3829
		3830	my $uuid = "$LOCALDIR/uuid";
		3831
		3832	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3833	or return;
		3834
		3835	my $value = uuid_seq uuid_cur;
		3836
		3837	unless ($value) {
		3838	info "cowardly refusing to write zero uuid value!\n";
		3839	return;
		3840	}
		3841
		3842	my $value = uuid_str $value + $uuid_skip;
		3843	$uuid_skip = 0;
		3844
		3845	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3846	and return;
		3847
		3848	# always fsync - this file is important
		3849	aio_fsync $fh
		3850	and return;
		3851
		3852	close $fh
		3853	or return;
		3854
		3855	aio_rename "$uuid~", $uuid
		3856	and return;
		3857
		3858	trace "uuid file written ($value).\n";
		3859
		3860	1
		3861
		3862	}
		3863
		3864	sub write_uuid($$) {
		3865	my ($skip, $sync) = @_;
		3866
		3867	$sync ? write_uuid_sync $skip
		3868	: async { write_uuid_sync $skip };
3129	}	3869	}
3130		3870
3131	sub emergency_save() {	3871	sub emergency_save() {
3132	my $freeze_guard = cf::freeze_mainloop;	3872	my $freeze_guard = cf::freeze_mainloop;
3133		3873
3134	warn "enter emergency perl save\n";	3874	info "emergency_perl_save: enter\n";
		3875
		3876	# this is a trade-off: we want to be very quick here, so
		3877	# save all maps without fsync, and later call a global sync
		3878	# (which in turn might be very very slow)
		3879	local $USE_FSYNC = 0;
3135		3880
3136	cf::sync_job {	3881	cf::sync_job {
		3882	cf::write_runtime_sync; # external watchdog should not bark
		3883
3137	# use a peculiar iteration method to avoid tripping on perl	3884	# use a peculiar iteration method to avoid tripping on perl
3138	# refcount bugs in for. also avoids problems with players	3885	# refcount bugs in for. also avoids problems with players
3139	# and maps saved/destroyed asynchronously.	3886	# and maps saved/destroyed asynchronously.
3140	warn "begin emergency player save\n";	3887	info "emergency_perl_save: begin player save\n";
3141	for my $login (keys %cf::PLAYER) {	3888	for my $login (keys %cf::PLAYER) {
3142	my $pl = $cf::PLAYER{$login} or next;	3889	my $pl = $cf::PLAYER{$login} or next;
3143	$pl->valid or next;	3890	$pl->valid or next;
		3891	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3144	$pl->save;	3892	$pl->save;
3145	}	3893	}
3146	warn "end emergency player save\n";	3894	info "emergency_perl_save: end player save\n";
3147		3895
3148	warn "begin emergency map save\n";	3896	cf::write_runtime_sync; # external watchdog should not bark
		3897
		3898	info "emergency_perl_save: begin map save\n";
3149	for my $path (keys %cf::MAP) {	3899	for my $path (keys %cf::MAP) {
3150	my $map = $cf::MAP{$path} or next;	3900	my $map = $cf::MAP{$path} or next;
3151	$map->valid or next;	3901	$map->valid or next;
3152	$map->save;	3902	$map->save;
3153	}	3903	}
3154	warn "end emergency map save\n";	3904	info "emergency_perl_save: end map save\n";
3155		3905
3156	warn "begin emergency database checkpoint\n";	3906	cf::write_runtime_sync; # external watchdog should not bark
		3907
		3908	info "emergency_perl_save: begin database checkpoint\n";
3157	BDB::db_env_txn_checkpoint $DB_ENV;	3909	BDB::db_env_txn_checkpoint $DB_ENV;
3158	warn "end emergency database checkpoint\n";	3910	info "emergency_perl_save: end database checkpoint\n";
		3911
		3912	info "emergency_perl_save: begin write uuid\n";
		3913	write_uuid_sync 1;
		3914	info "emergency_perl_save: end write uuid\n";
		3915
		3916	cf::write_runtime_sync; # external watchdog should not bark
		3917
		3918	trace "emergency_perl_save: syncing database to disk";
		3919	BDB::db_env_txn_checkpoint $DB_ENV;
		3920
		3921	info "emergency_perl_save: starting sync\n";
		3922	IO::AIO::aio_sync sub {
		3923	info "emergency_perl_save: finished sync\n";
		3924	};
		3925
		3926	cf::write_runtime_sync; # external watchdog should not bark
		3927
		3928	trace "emergency_perl_save: flushing outstanding aio requests";
		3929	while (IO::AIO::nreqs || BDB::nreqs) {
		3930	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3931	}
		3932
		3933	cf::write_runtime_sync; # external watchdog should not bark
3159	};	3934	};
3160		3935
3161	warn "leave emergency perl save\n";	3936	info "emergency_perl_save: leave\n";
3162	}	3937	}
3163		3938
3164	sub post_cleanup {	3939	sub post_cleanup {
3165	my ($make_core) = @_;	3940	my ($make_core) = @_;
3166		3941
		3942	IO::AIO::flush;
		3943
3167	warn Carp::longmess "post_cleanup backtrace"	3944	error Carp::longmess "post_cleanup backtrace"
3168	if $make_core;	3945	if $make_core;
		3946
		3947	my $fh = pidfile;
		3948	unlink $PIDFILE if <$fh> == $$;
		3949	}
		3950
		3951	# a safer delete_package, copied from Symbol
		3952	sub clear_package($) {
		3953	my $pkg = shift;
		3954
		3955	# expand to full symbol table name if needed
		3956	unless ($pkg =~ /^main::.*::$/) {
		3957	$pkg = "main$pkg" if $pkg =~ /^::/;
		3958	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3959	$pkg .= '::' unless $pkg =~ /::$/;
		3960	}
		3961
		3962	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3963	my $stem_symtab = *{$stem}{HASH};
		3964
		3965	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3966	or return;
		3967
		3968	# clear all symbols
		3969	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3970	for my $name (keys %$leaf_symtab) {
		3971	_gv_clear *{"$pkg$name"};
		3972	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3973	}
3169	}	3974	}
3170		3975
3171	sub do_reload_perl() {	3976	sub do_reload_perl() {
3172	# can/must only be called in main	3977	# can/must only be called in main
3173	if ($Coro::current != $Coro::main) {	3978	unless (in_main) {
3174	warn "can only reload from main coroutine";	3979	error "can only reload from main coroutine";
3175	return;	3980	return;
3176	}	3981	}
3177		3982
3178	warn "reloading...";	3983	return if $RELOAD++;
3179		3984
3180	warn "entering sync_job";	3985	my $t1 = AE::time;
3181		3986
		3987	while ($RELOAD) {
		3988	cf::get_slot 0.1, -1, "reload_perl";
		3989	info "perl_reload: reloading...";
		3990
		3991	trace "perl_reload: entering sync_job";
		3992
3182	cf::sync_job {	3993	cf::sync_job {
3183	cf::write_runtime; # external watchdog should not bark
3184	cf::emergency_save;	3994	#cf::emergency_save;
3185	cf::write_runtime; # external watchdog should not bark
3186		3995
3187	warn "syncing database to disk";
3188	BDB::db_env_txn_checkpoint $DB_ENV;
3189
3190	# if anything goes wrong in here, we should simply crash as we already saved
3191
3192	warn "cancelling all WF_AUTOCANCEL watchers";
3193	for (Event::all_watchers) {
3194	$_->cancel if $_->data & WF_AUTOCANCEL;
3195	}
3196
3197	warn "flushing outstanding aio requests";
3198	for (;;) {
3199	BDB::flush;
3200	IO::AIO::flush;
3201	Coro::cede;
3202	last unless IO::AIO::nreqs || BDB::nreqs;
3203	warn "iterate...";
3204	}
3205
3206	++$RELOAD;
3207
3208	warn "cancelling all extension coros";	3996	trace "perl_reload: cancelling all extension coros";
3209	$_->cancel for values %EXT_CORO;	3997	$_->cancel for values %EXT_CORO;
3210	%EXT_CORO = ();	3998	%EXT_CORO = ();
3211		3999
3212	warn "removing commands";	4000	trace "perl_reload: removing commands";
3213	%COMMAND = ();	4001	%COMMAND = ();
3214		4002
3215	warn "removing ext/exti commands";	4003	trace "perl_reload: removing ext/exti commands";
3216	%EXTCMD = ();	4004	%EXTCMD = ();
3217	%EXTICMD = ();	4005	%EXTICMD = ();
3218		4006
3219	warn "unloading/nuking all extensions";	4007	trace "perl_reload: unloading/nuking all extensions";
3220	for my $pkg (@EXTS) {	4008	for my $pkg (@EXTS) {
3221	warn "... unloading $pkg";	4009	trace "... unloading $pkg";
3222		4010
3223	if (my $cb = $pkg->can ("unload")) {	4011	if (my $cb = $pkg->can ("unload")) {
3224	eval {	4012	eval {
3225	$cb->($pkg);	4013	$cb->($pkg);
3226	1	4014	1
3227	} or warn "$pkg unloaded, but with errors: $@";	4015	} or error "$pkg unloaded, but with errors: $@";
		4016	}
		4017
		4018	trace "... clearing $pkg";
		4019	clear_package $pkg;
3228	}	4020	}
3229		4021
3230	warn "... nuking $pkg";
3231	Symbol::delete_package $pkg;
3232	}
3233
3234	warn "unloading all perl modules loaded from $LIBDIR";	4022	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3235	while (my ($k, $v) = each %INC) {	4023	while (my ($k, $v) = each %INC) {
3236	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4024	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3237		4025
3238	warn "... unloading $k";	4026	trace "... unloading $k";
3239	delete $INC{$k};	4027	delete $INC{$k};
3240		4028
3241	$k =~ s/\.pm$//;	4029	$k =~ s/\.pm$//;
3242	$k =~ s/\//::/g;	4030	$k =~ s/\//::/g;
3243		4031
3244	if (my $cb = $k->can ("unload_module")) {	4032	if (my $cb = $k->can ("unload_module")) {
3245	$cb->();	4033	$cb->();
		4034	}
		4035
		4036	clear_package $k;
3246	}	4037	}
3247		4038
3248	Symbol::delete_package $k;
3249	}
3250
3251	warn "getting rid of safe::, as good as possible";	4039	trace "perl_reload: getting rid of safe::, as good as possible";
3252	Symbol::delete_package "safe::$_"	4040	clear_package "safe::$_"
3253	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4041	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3254		4042
3255	warn "unloading cf.pm \"a bit\"";	4043	trace "perl_reload: unloading cf.pm \"a bit\"";
3256	delete $INC{"cf.pm"};	4044	delete $INC{"cf.pm"};
3257	delete $INC{"cf/pod.pm"};	4045	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3258		4046
3259	# don't, removes xs symbols, too,	4047	# don't, removes xs symbols, too,
3260	# and global variables created in xs	4048	# and global variables created in xs
3261	#Symbol::delete_package __PACKAGE__;	4049	#clear_package __PACKAGE__;
3262		4050
3263	warn "unload completed, starting to reload now";	4051	info "perl_reload: unload completed, starting to reload now";
3264		4052
3265	warn "reloading cf.pm";	4053	trace "perl_reload: reloading cf.pm";
3266	require cf;	4054	require cf;
3267	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4055	cf::_connect_to_perl_1;
3268		4056
3269	warn "loading config and database again";	4057	trace "perl_reload: loading config and database again";
3270	cf::reload_config;	4058	cf::reload_config;
3271		4059
3272	warn "loading extensions";	4060	trace "perl_reload: loading extensions";
3273	cf::load_extensions;	4061	cf::load_extensions;
3274		4062
		4063	if ($REATTACH_ON_RELOAD) {
3275	warn "reattaching attachments to objects/players";	4064	trace "perl_reload: reattaching attachments to objects/players";
3276	_global_reattach; # objects, sockets	4065	_global_reattach; # objects, sockets
3277	warn "reattaching attachments to maps";	4066	trace "perl_reload: reattaching attachments to maps";
3278	reattach $_ for values %MAP;	4067	reattach $_ for values %MAP;
3279	warn "reattaching attachments to players";	4068	trace "perl_reload: reattaching attachments to players";
3280	reattach $_ for values %PLAYER;	4069	reattach $_ for values %PLAYER;
		4070	}
3281		4071
3282	warn "leaving sync_job";	4072	cf::_post_init 1;
3283		4073
		4074	trace "perl_reload: leaving sync_job";
		4075
3284	1	4076	1
3285	} or do {	4077	} or do {
3286	warn $@;	4078	error $@;
3287	warn "error while reloading, exiting.";	4079	cf::cleanup "perl_reload: error, exiting.";
3288	exit 1;	4080	};
		4081
		4082	--$RELOAD;
3289	};	4083	}
3290		4084
3291	warn "reloaded";	4085	$t1 = AE::time - $t1;
		4086	info "perl_reload: completed in ${t1}s\n";
3292	};	4087	};
3293		4088
3294	our $RELOAD_WATCHER; # used only during reload	4089	our $RELOAD_WATCHER; # used only during reload
3295		4090
3296	sub reload_perl() {	4091	sub reload_perl() {
3297	# doing reload synchronously and two reloads happen back-to-back,	4092	# doing reload synchronously and two reloads happen back-to-back,
3298	# coro crashes during coro_state_free->destroy here.	4093	# coro crashes during coro_state_free->destroy here.
3299		4094
3300	$RELOAD_WATCHER ||= Event->timer (	4095	$RELOAD_WATCHER ||= cf::async {
3301	reentrant => 0,	4096	Coro::AIO::aio_wait cache_extensions;
3302	after => 0,	4097
3303	data => WF_AUTOCANCEL,	4098	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3304	cb => sub {
3305	do_reload_perl;	4099	do_reload_perl;
3306	undef $RELOAD_WATCHER;	4100	undef $RELOAD_WATCHER;
3307	},	4101	};
3308	);	4102	};
3309	}	4103	}
3310		4104
3311	register_command "reload" => sub {	4105	register_command "reload" => sub {
3312	my ($who, $arg) = @_;	4106	my ($who, $arg) = @_;
3313		4107
3314	if ($who->flag (FLAG_WIZ)) {	4108	if ($who->flag (FLAG_WIZ)) {
3315	$who->message ("reloading server.");	4109	$who->message ("reloading server.");
		4110	async {
		4111	$Coro::current->{desc} = "perl_reload";
3316	async { reload_perl };	4112	reload_perl;
		4113	};
3317	}	4114	}
3318	};	4115	};
3319		4116
3320	unshift @INC, $LIBDIR;	4117	#############################################################################
3321		4118
3322	my $bug_warning = 0;	4119	my $bug_warning = 0;
3323		4120
3324	our @WAIT_FOR_TICK;
3325	our @WAIT_FOR_TICK_BEGIN;
3326
3327	sub wait_for_tick {	4121	sub wait_for_tick() {
3328	return unless $TICK_WATCHER->is_active;	4122	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3329	return if $Coro::current == $Coro::main;
3330		4123
3331	my $signal = new Coro::Signal;	4124	$WAIT_FOR_TICK->wait;
3332	push @WAIT_FOR_TICK, $signal;
3333	$signal->wait;
3334	}	4125	}
3335		4126
3336	sub wait_for_tick_begin {	4127	sub wait_for_tick_begin() {
3337	return unless $TICK_WATCHER->is_active;	4128	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3338	return if $Coro::current == $Coro::main;
3339		4129
3340	my $signal = new Coro::Signal;	4130	my $signal = new Coro::Signal;
3341	push @WAIT_FOR_TICK_BEGIN, $signal;	4131	push @WAIT_FOR_TICK_BEGIN, $signal;
3342	$signal->wait;	4132	$signal->wait;
3343	}	4133	}
3344		4134
3345	my $min = 1e6;#d#	4135	sub tick {
3346	my $avg = 10;
3347	$TICK_WATCHER = Event->timer (
3348	reentrant => 0,
3349	parked => 1,
3350	prio => 0,
3351	at => $NEXT_TICK || $TICK,
3352	data => WF_AUTOCANCEL,
3353	cb => sub {
3354	if ($Coro::current != $Coro::main) {	4136	if ($Coro::current != $Coro::main) {
3355	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4137	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3356	unless ++$bug_warning > 10;	4138	unless ++$bug_warning > 10;
3357	return;	4139	return;
3358	}	4140	}
3359		4141
3360	$NOW = $tick_start = Event::time;	4142	cf::one_tick; # one server iteration
3361		4143
3362	cf::server_tick; # one server iteration	4144	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3363		4145
3364	0 && sync_job {#d#	4146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3365	for(1..10) {	4147	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3366	my $t = Event::time;	4148	Coro::async_pool {
3367	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4149	$Coro::current->{desc} = "runtime saver";
3368	or die;	4150	write_runtime_sync
3369		4151	or error "ERROR: unable to write runtime file: $!";
3370	$map->width (50);
3371	$map->height (50);
3372	$map->alloc;
3373	$map->_load_objects ("/tmp/x.map", 1);
3374	my $t = Event::time - $t;
3375
3376	#next unless $t < 0.0013;#d#
3377	if ($t < $min) {
3378	$min = $t;
3379	}
3380	$avg = $avg * 0.99 + $t * 0.01;
3381	}
3382	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3383	exit 0;
3384	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3385	};	4152	};
		4153	}
3386		4154
3387	$RUNTIME += $TICK;
3388	$NEXT_TICK += $TICK;
3389
3390	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3391	$NEXT_RUNTIME_WRITE = $NOW + 10;
3392	Coro::async_pool {
3393	write_runtime
3394	or warn "ERROR: unable to write runtime file: $!";
3395	};
3396	}
3397
3398	# my $AFTER = Event::time;
3399	# warn $AFTER - $NOW;#d#
3400
3401	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4155	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3402	$sig->send;	4156	$sig->send;
3403	}	4157	}
3404	while (my $sig = shift @WAIT_FOR_TICK) {	4158	$WAIT_FOR_TICK->broadcast;
3405	$sig->send;
3406	}
3407		4159
3408	$NOW = Event::time;	4160	$LOAD = ($NOW - $TICK_START) / $TICK;
3409
3410	# if we are delayed by four ticks or more, skip them all
3411	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3412
3413	$TICK_WATCHER->at ($NEXT_TICK);
3414	$TICK_WATCHER->start;
3415
3416	$LOAD = ($NOW - $tick_start) / $TICK;
3417	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4161	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3418		4162
3419	_post_tick;	4163	if (0) {
3420		4164	if ($NEXT_TICK) {
3421		4165	my $jitter = $TICK_START - $NEXT_TICK;
		4166	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4167	debug "jitter $JITTER\n";#d#
		4168	}
3422	},	4169	}
3423	);	4170	}
3424		4171
3425	{	4172	{
3426	BDB::max_poll_time $TICK * 0.1;	4173	# configure BDB
3427	$BDB_POLL_WATCHER = Event->io (	4174
3428	reentrant => 0,
3429	fd => BDB::poll_fileno,
3430	poll => 'r',
3431	prio => 0,
3432	data => WF_AUTOCANCEL,
3433	cb => \&BDB::poll_cb,
3434	);
3435	BDB::min_parallel 8;	4175	BDB::min_parallel 16;
3436		4176	BDB::max_poll_reqs $TICK * 0.1;
3437	BDB::set_sync_prepare {	4177	$AnyEvent::BDB::WATCHER->priority (1);
3438	my $status;
3439	my $current = $Coro::current;
3440	(
3441	sub {
3442	$status = $!;
3443	$current->ready; undef $current;
3444	},
3445	sub {
3446	Coro::schedule while defined $current;
3447	$! = $status;
3448	},
3449	)
3450	};
3451		4178
3452	unless ($DB_ENV) {	4179	unless ($DB_ENV) {
3453	$DB_ENV = BDB::db_env_create;	4180	$DB_ENV = BDB::db_env_create;
		4181	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4182	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4183	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4184	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4185	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3454		4186
3455	cf::sync_job {	4187	cf::sync_job {
3456	eval {	4188	eval {
3457	BDB::db_env_open	4189	BDB::db_env_open
3458	$DB_ENV,	4190	$DB_ENV,
…		…
3460	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4192	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3461	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4193	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3462	0666;	4194	0666;
3463		4195
3464	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4196	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3465
3466	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3467	$DB_ENV->set_lk_detect;
3468	};	4197	};
3469		4198
3470	cf::cleanup "db_env_open(db): $@" if $@;	4199	cf::cleanup "db_env_open(db): $@" if $@;
3471	};	4200	};
3472	}	4201	}
		4202
		4203	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4204	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4205	};
		4206	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4207	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4208	};
		4209	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4210	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4211	};
3473	}	4212	}
3474		4213
3475	{	4214	{
		4215	# configure IO::AIO
		4216
3476	IO::AIO::min_parallel 8;	4217	IO::AIO::min_parallel 8;
3477
3478	undef $Coro::AIO::WATCHER;
3479	IO::AIO::max_poll_time $TICK * 0.1;	4218	IO::AIO::max_poll_time $TICK * 0.1;
3480	$AIO_POLL_WATCHER = Event->io (	4219	undef $AnyEvent::AIO::WATCHER;
3481	reentrant => 0,
3482	data => WF_AUTOCANCEL,
3483	fd => IO::AIO::poll_fileno,
3484	poll => 'r',
3485	prio => 6,
3486	cb => \&IO::AIO::poll_cb,
3487	);
3488	}	4220	}
3489		4221
3490	my $_log_backtrace;	4222	our $_log_backtrace;
		4223	our $_log_backtrace_last;
3491		4224
3492	sub _log_backtrace {	4225	sub _log_backtrace {
3493	my ($msg, @addr) = @_;	4226	my ($msg, @addr) = @_;
3494		4227
3495	$msg =~ s/\n//;	4228	$msg =~ s/\n$//;
3496		4229
		4230	if ($_log_backtrace_last eq $msg) {
		4231	LOG llevInfo, "[ABT] $msg\n";
		4232	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3497	# limit the # of concurrent backtraces	4233	# limit the # of concurrent backtraces
3498	if ($_log_backtrace < 2) {	4234	} elsif ($_log_backtrace < 2) {
		4235	$_log_backtrace_last = $msg;
3499	++$_log_backtrace;	4236	++$_log_backtrace;
		4237	my $perl_bt = Carp::longmess $msg;
3500	async {	4238	async {
		4239	$Coro::current->{desc} = "abt $msg";
		4240
3501	my @bt = fork_call {	4241	my @bt = fork_call {
3502	@addr = map { sprintf "%x", $_ } @addr;	4242	@addr = map { sprintf "%x", $_ } @addr;
3503	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4243	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3504	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4244	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3505	or die "addr2line: $!";	4245	or die "addr2line: $!";
…		…
3513	}	4253	}
3514		4254
3515	@funcs	4255	@funcs
3516	};	4256	};
3517		4257
3518	LOG llevInfo, "[ABT] $msg\n";	4258	LOG llevInfo, "[ABT] $perl_bt\n";
		4259	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3519	LOG llevInfo, "[ABT] $_\n" for @bt;	4260	LOG llevInfo, "[ABT] $_\n" for @bt;
3520	--$_log_backtrace;	4261	--$_log_backtrace;
3521	};	4262	};
3522	} else {	4263	} else {
3523	LOG llevInfo, "[ABT] $msg\n";	4264	LOG llevInfo, "[ABT] $msg\n";
3524	LOG llevInfo, "[ABT] [suppressed]\n";	4265	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3525	}	4266	}
3526	}	4267	}
3527		4268
3528	# load additional modules	4269	# load additional modules
3529	use cf::pod;	4270	require "cf/$_.pm" for @EXTRA_MODULES;
		4271	cf::_connect_to_perl_2;
3530		4272
3531	END { cf::emergency_save }	4273	END { cf::emergency_save }
3532		4274
3533	1	4275	1
3534		4276

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