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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.337 by root, Tue Aug 21 00:54:01 2007 UTC vs.
Revision 1.572 by root, Sun May 8 11:44:43 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.64 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.32 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		75
43	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
44		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		78
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
54		85
55	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
65	our $DATADIR = datadir;	99	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
69	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
75		120
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	123	our $NEXT_TICK;
		124	our $USE_FSYNC = 1; # use fsync to write maps - default on
		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
		128	our $BDB_TRICKLE_WATCHER;
		129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
		133	our %CFG;
		134
		135	our $UPTIME; $UPTIME ||= time;
		136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
81	our $NOW;	138	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		139
84	our $BDB_POLL_WATCHER;	140	our (%PLAYER, %PLAYER_LOADING); # all users
85	our $DB_ENV;	141	our (%MAP, %MAP_LOADING ); # all maps
86
87	our %CFG;
88
89	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;
91
92	our %PLAYER; # all users
93	our %MAP; # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
95		143
96	# used to convert map paths into valid unix filenames by replacing / by ∕	144	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		146
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	147	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	150	our $TICK_START; # for load detecting purposes
		151
		152	our @POST_INIT;
		153
		154	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		155	our $REALLY_UNLOOP; # never set to true, please :)
		156
		157	our $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
102		159
103	binmode STDOUT;	160	binmode STDOUT;
104	binmode STDERR;	161	binmode STDERR;
105		162
106	# read virtual server time, if available	163	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
111	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
112		171
113	mkdir $_	172	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		174
116	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
117		176
118	sub cf::map::normalise;	177	sub cf::map::normalise;
119		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
120	#############################################################################	183	#############################################################################
121		184
		185	%REFLECT = ();
		186	for (@REFLECT) {
		187	my $reflect = JSON::XS::decode_json $_;
		188	$REFLECT{$reflect->{class}} = $reflect;
		189	}
		190
		191	# this is decidedly evil
		192	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		193
		194	#############################################################################
		195
122	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
123		197
124	=over 4	198	=over 4
125		199
126	=item $cf::UPTIME	200	=item $cf::UPTIME
127		201
128	The timestamp of the server start (so not actually an uptime).	202	The timestamp of the server start (so not actually an "uptime").
		203
		204	=item $cf::SERVER_TICK
		205
		206	An unsigned integer that starts at zero when the server is started and is
		207	incremented on every tick.
		208
		209	=item $cf::NOW
		210
		211	The (real) time of the last (current) server tick - updated before and
		212	after tick processing, so this is useful only as a rough "what time is it
		213	now" estimate.
		214
		215	=item $cf::TICK
		216
		217	The interval between each server tick, in seconds.
129		218
130	=item $cf::RUNTIME	219	=item $cf::RUNTIME
131		220
132	The time this server has run, starts at 0 and is increased by $cf::TICK on	221	The time this server has run, starts at 0 and is increased by $cf::TICK on
133	every server tick.	222	every server tick.
…		…
139	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
141	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
142	database environment.	231	database environment.
143		232
144	=item $cf::NOW
145
146	The time of the last (current) server tick.
147
148	=item $cf::TICK
149
150	The interval between server ticks, in seconds.
151
152	=item $cf::LOADAVG	233	=item $cf::LOADAVG
153		234
154	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
155	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
156	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
159		240
160	The raw value load value from the last tick.	241	The raw value load value from the last tick.
161		242
162	=item %cf::CFG	243	=item %cf::CFG
163		244
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	246	from wherever your confdir points to.
166		247
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		249
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
170	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
172		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$cf::WAIT_FOR_TICK>).
		258
		259	=item $cf::WAIT_FOR_TICK
		260
		261	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		262	variable contains a L<Coro::Signal> that is broadcats after every server
		263	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		264	next server tick.
		265
		266	=cut
		267
		268	sub wait_for_tick();
		269	sub wait_for_tick_begin();
		270
173	=item @cf::INVOKE_RESULTS	271	=item @cf::INVOKE_RESULTS
174		272
175	This array contains the results of the last C<invoke ()> call. When	273	This array contains the results of the last C<invoke ()> call. When
176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	274	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	275	that call.
178		276
		277	=item %cf::REFLECT
		278
		279	Contains, for each (C++) class name, a hash reference with information
		280	about object members (methods, scalars, arrays and flags) and other
		281	metadata, which is useful for introspection.
		282
179	=back	283	=back
180		284
181	=cut	285	=cut
182		286
183	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
184	*CORE::GLOBAL::warn = sub {	288	sub warn (@) { LOG llevWarn , join "", @_ }
		289	sub info (@) { LOG llevInfo , join "", @_ }
		290	sub debug(@) { LOG llevDebug, join "", @_ }
		291	sub trace(@) { LOG llevTrace, join "", @_ }
		292
		293	$Coro::State::WARNHOOK = sub {
185	my $msg = join "", @_;	294	my $msg = join "", @_;
186		295
187	$msg .= "\n"	296	$msg .= "\n"
188	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
189		298
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		300
192	utf8::encode $msg;
193	LOG llevError, $msg;	301	LOG llevWarn, $msg;
194	};	302	};
195	}	303
		304	$Coro::State::DIEHOOK = sub {
		305	return unless $^S eq 0; # "eq", not "=="
		306
		307	error Carp::longmess $_[0];
		308
		309	if (in_main) {#d#
		310	error "DIEHOOK called in main context, Coro bug?\n";#d#
		311	return;#d#
		312	}#d#
		313
		314	# kill coroutine otherwise
		315	Coro::terminate
		316	};
196		317
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	328	for my $pkg (qw(
208	cf::global cf::attachable	329	cf::global cf::attachable
209	cf::object cf::object::player	330	cf::object cf::object::player
210	cf::client cf::player	331	cf::client cf::player
211	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
212	cf::map cf::party cf::region	334	cf::party cf::region
213	)) {	335	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	337	}
217		338
218	$Event::DIED = sub {	339	$EV::DIED = sub {
219	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
220	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
221		347
222	#############################################################################	348	#############################################################################
223		349
224	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
225		351
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	372	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	373	$d
248	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
249	}	375	}
250		376
		377	=item $scalar = load_file $path
		378
		379	Loads the given file from path and returns its contents. Croaks on error
		380	and can block.
		381
		382	=cut
		383
		384	sub load_file($) {
		385	0 <= aio_load $_[0], my $data
		386	or Carp::croak "$_[0]: $!";
		387
		388	$data
		389	}
		390
251	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
252		392
253	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
254		394
255	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
256		396
257	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
258		398
259	=cut	399	=cut
260		400
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		402
263	sub to_json ($) { $json_coder->encode ($_[0]) }	403	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	404	sub decode_json($) { $json_coder->decode ($_[0]) }
		405
		406	=item $ref = cf::decode_storable $scalar
		407
		408	Same as Coro::Storable::thaw, so blocks.
		409
		410	=cut
		411
		412	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		413
		414	=item $ref = cf::decode_yaml $scalar
		415
		416	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		417
		418	=cut
		419
		420	sub decode_yaml($) {
		421	fork_call { YAML::XS::Load $_[0] } @_
		422	}
		423
		424	=item $scalar = cf::unlzf $scalar
		425
		426	Same as Compress::LZF::compress, but takes server ticks into account, so
		427	blocks.
		428
		429	=cut
		430
		431	sub unlzf($) {
		432	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		433	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		434	Compress::LZF::decompress $_[0]
		435	}
		436
		437	=item cf::post_init { BLOCK }
		438
		439	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		440	but I<before> the server starts ticking again.
		441
		442	The codeblock will have a single boolean argument to indicate whether this
		443	is a reload or not.
		444
		445	=cut
		446
		447	sub post_init(&) {
		448	push @POST_INIT, shift;
		449	}
		450
		451	sub _post_init {
		452	trace "running post_init jobs";
		453
		454	# run them in parallel...
		455
		456	my @join;
		457
		458	while () {
		459	push @join, map &Coro::async ($_, 0), @POST_INIT;
		460	@POST_INIT = ();
		461
		462	@join or last;
		463
		464	(pop @join)->join;
		465	}
		466	}
265		467
266	=item cf::lock_wait $string	468	=item cf::lock_wait $string
267		469
268	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
269		471
270	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
271		473
272	Wait until the given lock is available and then acquires it and returns	474	Wait until the given lock is available and then acquires it and returns
273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	475	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
274	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
275	returned.	477	returned.
276		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
277	Lock names should begin with a unique identifier (for example, cf::map::find	482	Lock names should begin with a unique identifier (for example, cf::map::find
278	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
279		484
280	=item $locked = cf::lock_active $string	485	=item $locked = cf::lock_active $string
281		486
282	Return true if the lock is currently active, i.e. somebody has locked it.	487	Return true if the lock is currently active, i.e. somebody has locked it.
283		488
284	=cut	489	=cut
285		490
286	our %LOCK;	491	our $LOCKS = new Coro::SemaphoreSet;
287		492
288	sub lock_wait($) {	493	sub lock_wait($) {
289	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
290
291	# wait for lock, if any
292	while ($LOCK{$key}) {
293	push @{ $LOCK{$key} }, $Coro::current;
294	Coro::schedule;
295	}
296	}	495	}
297		496
298	sub lock_acquire($) {	497	sub lock_acquire($) {
299	my ($key) = @_;	498	$LOCKS->guard ($_[0])
300
301	# wait, to be sure we are not locked
302	lock_wait $key;
303
304	$LOCK{$key} = [];
305
306	Coro::guard {
307	# wake up all waiters, to be on the safe side
308	$_->ready for @{ delete $LOCK{$key} };
309	}
310	}	499	}
311		500
312	sub lock_active($) {	501	sub lock_active($) {
313	my ($key) = @_;	502	$LOCKS->count ($_[0]) < 1
314
315	! ! $LOCK{$key}
316	}	503	}
317		504
318	sub freeze_mainloop {	505	sub freeze_mainloop {
319	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
320		507
321	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
322	$TICK_WATCHER->start;	509	}
323	};	510
324	$TICK_WATCHER->stop;	511	=item cf::periodic $interval, $cb
325	$guard	512
		513	Like EV::periodic, but randomly selects a starting point so that the actions
		514	get spread over time.
		515
		516	=cut
		517
		518	sub periodic($$) {
		519	my ($interval, $cb) = @_;
		520
		521	my $start = rand List::Util::min 180, $interval;
		522
		523	EV::periodic $start, $interval, 0, $cb
326	}	524	}
327		525
328	=item cf::get_slot $time[, $priority[, $name]]	526	=item cf::get_slot $time[, $priority[, $name]]
329		527
330	Allocate $time seconds of blocking CPU time at priority C<$priority>:	528	Allocate $time seconds of blocking CPU time at priority C<$priority>
331	This call blocks and returns only when you have at least C<$time> seconds	529	(default: 0): This call blocks and returns only when you have at least
332	of cpu time till the next tick. The slot is only valid till the next cede.	530	C<$time> seconds of cpu time till the next tick. The slot is only valid
		531	till the next cede.
		532
		533	Background jobs should use a priority les than zero, interactive jobs
		534	should use 100 or more.
333		535
334	The optional C<$name> can be used to identify the job to run. It might be	536	The optional C<$name> can be used to identify the job to run. It might be
335	used for statistical purposes and should identify the same time-class.	537	used for statistical purposes and should identify the same time-class.
336		538
337	Useful for short background jobs.	539	Useful for short background jobs.
338		540
339	=cut	541	=cut
340		542
341	our @SLOT_QUEUE;	543	our @SLOT_QUEUE;
342	our $SLOT_QUEUE;	544	our $SLOT_QUEUE;
		545	our $SLOT_DECAY = 0.9;
343		546
344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	547	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345	$SLOT_QUEUE = Coro::async {	548	$SLOT_QUEUE = Coro::async {
		549	$Coro::current->desc ("timeslot manager");
		550
346	my $signal = new Coro::Signal;	551	my $signal = new Coro::Signal;
		552	my $busy;
347		553
348	while () {	554	while () {
349	next_job:	555	next_job:
		556
350	my $avail = cf::till_tick;	557	my $avail = cf::till_tick;
351	if ($avail > 0.01) {	558
352	for (0 .. $#SLOT_QUEUE) {	559	for (0 .. $#SLOT_QUEUE) {
353	if ($SLOT_QUEUE[$_][0] < $avail) {	560	if ($SLOT_QUEUE[$_][0] <= $avail) {
		561	$busy = 0;
354	my $job = splice @SLOT_QUEUE, $_, 1, ();	562	my $job = splice @SLOT_QUEUE, $_, 1, ();
355	$job->[2]->send;	563	$job->[2]->send;
356	Coro::cede;	564	Coro::cede;
357	goto next_job;	565	goto next_job;
358	}	566	} else {
		567	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
359	}	568	}
360	}	569	}
361		570
362	if (@SLOT_QUEUE) {	571	if (@SLOT_QUEUE) {
363	# we do not use wait_For_tick() as it returns immediately when tick is inactive	572	# we do not use wait_for_tick() as it returns immediately when tick is inactive
364	push @cf::WAIT_FOR_TICK, $signal;	573	$WAIT_FOR_TICK->wait;
365	$signal->wait;
366	} else {	574	} else {
		575	$busy = 0;
367	Coro::schedule;	576	Coro::schedule;
368	}	577	}
369	}	578	}
370	};	579	};
371		580
372	sub get_slot($;$$) {	581	sub get_slot($;$$) {
		582	return if tick_inhibit || $Coro::current == $Coro::main;
		583
373	my ($time, $pri, $name) = @_;	584	my ($time, $pri, $name) = @_;
374		585
375	$time = $TICK * .6 if $time > $TICK * .6;	586	$time = clamp $time, 0.01, $TICK * .6;
		587
376	my $sig = new Coro::Signal;	588	my $sig = new Coro::Signal;
377		589
378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	590	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	591	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
380	$SLOT_QUEUE->ready;	592	$SLOT_QUEUE->ready;
…		…
391		603
392	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
393		605
394	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
395		607
396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	608	The design of Deliantra requires that the main coroutine ($Coro::main)
397	is always able to handle events or runnable, as Crossfire TRT is only	609	is always able to handle events or runnable, as Deliantra is only
398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	610	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
399	acceptable.	611	acceptable.
400		612
401	If it must be done, put the blocking parts into C<sync_job>. This will run	613	If it must be done, put the blocking parts into C<sync_job>. This will run
402	the given BLOCK in another coroutine while waiting for the result. The	614	the given BLOCK in another coroutine while waiting for the result. The
…		…
406	=cut	618	=cut
407		619
408	sub sync_job(&) {	620	sub sync_job(&) {
409	my ($job) = @_;	621	my ($job) = @_;
410		622
411	if ($Coro::current == $Coro::main) {	623	if (in_main) {
412	my $time = Event::time;	624	my $time = AE::time;
413		625
414	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
415	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
416		628
417	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
418	# (but this is cancel-safe)	630
419	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
420		632
421	my $busy = 1;	633	my $busy = 1;
422	my @res;	634	my @res;
423		635
424	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
425	@res = eval { $job->() };	638	@res = eval { $job->() };
426	warn $@ if $@;	639	error $@ if $@;
427	undef $busy;	640	undef $busy;
428	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
429		642
430	while ($busy) {	643	while ($busy) {
431	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
432	}	648	}
		649	}
433		650
434	$time = Event::time - $time;	651	my $time = AE::time - $time;
435		652
436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
438
439	$tick_start += $time; # do not account sync jobs to server load	653	$TICK_START += $time; # do not account sync jobs to server load
440		654
441	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
442	} else {	656	} else {
443	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
444		658
…		…
464	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
465		679
466	$coro	680	$coro
467	}	681	}
468		682
469	=item fork_call { }, $args	683	=item fork_call { }, @args
470		684
471	Executes the given code block with the given arguments in a seperate	685	Executes the given code block with the given arguments in a seperate
472	process, returning the results. Everything must be serialisable with	686	process, returning the results. Everything must be serialisable with
473	Coro::Storable. May, of course, block. Note that the executed sub may	687	Coro::Storable. May, of course, block. Note that the executed sub may
474	never block itself or use any form of Event handling.	688	never block itself or use any form of event handling.
475		689
476	=cut	690	=cut
		691
		692	sub post_fork {
		693	reset_signals;
		694	}
477		695
478	sub fork_call(&@) {	696	sub fork_call(&@) {
479	my ($cb, @args) = @_;	697	my ($cb, @args) = @_;
480		698
481	# we seemingly have to make a local copy of the whole thing,	699	# we seemingly have to make a local copy of the whole thing,
482	# otherwise perl prematurely frees the stuff :/	700	# otherwise perl prematurely frees the stuff :/
483	# TODO: investigate and fix (liekly this will be rather laborious)	701	# TODO: investigate and fix (likely this will be rather laborious)
484		702
485	my @res = Coro::Util::fork_eval {	703	my @res = Coro::Util::fork_eval {
486	reset_signals;	704	cf::post_fork;
487	&$cb	705	&$cb
488	}, @args;	706	} @args;
489		707
490	wantarray ? @res : $res[-1]	708	wantarray ? @res : $res[-1]
		709	}
		710
		711	sub objinfo {
		712	(
		713	"counter value" => cf::object::object_count,
		714	"objects created" => cf::object::create_count,
		715	"objects destroyed" => cf::object::destroy_count,
		716	"freelist size" => cf::object::free_count,
		717	"allocated objects" => cf::object::objects_size,
		718	"active objects" => cf::object::actives_size,
		719	)
		720	}
		721
		722	=item $coin = coin_from_name $name
		723
		724	=cut
		725
		726	our %coin_alias = (
		727	"silver" => "silvercoin",
		728	"silvercoin" => "silvercoin",
		729	"silvercoins" => "silvercoin",
		730	"gold" => "goldcoin",
		731	"goldcoin" => "goldcoin",
		732	"goldcoins" => "goldcoin",
		733	"platinum" => "platinacoin",
		734	"platinumcoin" => "platinacoin",
		735	"platinumcoins" => "platinacoin",
		736	"platina" => "platinacoin",
		737	"platinacoin" => "platinacoin",
		738	"platinacoins" => "platinacoin",
		739	"royalty" => "royalty",
		740	"royalties" => "royalty",
		741	);
		742
		743	sub coin_from_name($) {
		744	$coin_alias{$_[0]}
		745	? cf::arch::find $coin_alias{$_[0]}
		746	: undef
491	}	747	}
492		748
493	=item $value = cf::db_get $family => $key	749	=item $value = cf::db_get $family => $key
494		750
495	Returns a single value from the environment database.	751	Returns a single value from the environment database.
…		…
497	=item cf::db_put $family => $key => $value	753	=item cf::db_put $family => $key => $value
498		754
499	Stores the given C<$value> in the family. It can currently store binary	755	Stores the given C<$value> in the family. It can currently store binary
500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	756	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
501		757
		758	=item $db = cf::db_table "name"
		759
		760	Create and/or open a new database table. The string must not be "db" and must be unique
		761	within each server.
		762
502	=cut	763	=cut
		764
		765	sub db_table($) {
		766	cf::error "db_get called from main context"
		767	if $Coro::current == $Coro::main;
		768
		769	my ($name) = @_;
		770	my $db = BDB::db_create $DB_ENV;
		771
		772	eval {
		773	$db->set_flags (BDB::CHKSUM);
		774
		775	utf8::encode $name;
		776	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		777	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		778	cf::cleanup "db_open(db): $!" if $!;
		779	};
		780	cf::cleanup "db_open(db): $@" if $@;
		781
		782	$db
		783	}
503		784
504	our $DB;	785	our $DB;
505		786
506	sub db_init {	787	sub db_init {
507	unless ($DB) {	788	$DB ||= db_table "db";
508	$DB = BDB::db_create $DB_ENV;
509
510	cf::sync_job {
511	eval {
512	$DB->set_flags (BDB::CHKSUM);
513
514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
516	cf::cleanup "db_open(db): $!" if $!;
517	};
518	cf::cleanup "db_open(db): $@" if $@;
519	};
520	}
521	}	789	}
522		790
523	sub db_get($$) {	791	sub db_get($$) {
524	my $key = "$_[0]/$_[1]";	792	my $key = "$_[0]/$_[1]";
525		793
526	cf::sync_job {	794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
527	BDB::db_get $DB, undef, $key, my $data;	797	BDB::db_get $DB, undef, $key, my $data;
528		798
529	$! ? ()	799	$! ? ()
530	: $data	800	: $data
531	}
532	}	801	}
533		802
534	sub db_put($$$) {	803	sub db_put($$$) {
535	BDB::dbreq_pri 4;	804	BDB::dbreq_pri 4;
536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
564		833
565	my @data;	834	my @data;
566	my $md5;	835	my $md5;
567		836
568	for (0 .. $#$src) {	837	for (0 .. $#$src) {
569	0 <= aio_load $src->[$_], $data[$_]	838	$data[$_] = load_file $src->[$_];
570	or Carp::croak "$src->[$_]: $!";
571	}	839	}
572		840
573	# if processing is expensive, check	841	# if processing is expensive, check
574	# checksum first	842	# checksum first
575	if (1) {	843	if (1) {
576	$md5 =	844	$md5 =
577	join "\x00",	845	join "\x00",
578	$processversion,	846	$processversion,
579	map {	847	map {
580	Coro::cede;	848	cf::cede_to_tick;
581	($src->[$_], Digest::MD5::md5_hex $data[$_])	849	($src->[$_], Digest::MD5::md5_hex $data[$_])
582	} 0.. $#$src;	850	} 0.. $#$src;
583		851
584		852
585	my $dbmd5 = db_get cache => "$id/md5";	853	my $dbmd5 = db_get cache => "$id/md5";
…		…
592		860
593	my $t1 = Time::HiRes::time;	861	my $t1 = Time::HiRes::time;
594	my $data = $process->(\@data);	862	my $data = $process->(\@data);
595	my $t2 = Time::HiRes::time;	863	my $t2 = Time::HiRes::time;
596		864
597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
598		866
599	db_put cache => "$id/data", $data;	867	db_put cache => "$id/data", $data;
600	db_put cache => "$id/md5" , $md5;	868	db_put cache => "$id/md5" , $md5;
601	db_put cache => "$id/meta", $meta;	869	db_put cache => "$id/meta", $meta;
602		870
…		…
612		880
613	=cut	881	=cut
614		882
615	sub datalog($@) {	883	sub datalog($@) {
616	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
618	}	886	}
619		887
620	=back	888	=back
621		889
622	=cut	890	=cut
623		891
624	#############################################################################	892	#############################################################################
625		893
626	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
627		895
628	Many objects in crossfire are so-called attachable objects. That means you can	896	Many objects in deliantra are so-called attachable objects. That means you can
629	attach callbacks/event handlers (a collection of which is called an "attachment")	897	attach callbacks/event handlers (a collection of which is called an "attachment")
630	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
631		899
632	In the following description, CLASS can be any of C<global>, C<object>	900	In the following description, CLASS can be any of C<global>, C<object>
633	C<player>, C<client> or C<map> (i.e. the attachable objects in	901	C<player>, C<client> or C<map> (i.e. the attachable objects in
634	Crossfire TRT).	902	Deliantra).
635		903
636	=over 4	904	=over 4
637		905
638	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
639		907
…		…
683	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
684		952
685	Register an attachment by C<$name> through which attachable objects of the	953	Register an attachment by C<$name> through which attachable objects of the
686	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
687		955
688	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
689	that are attached at load/instantiate time, thus the need for a name.	957	that are attached at load/instantiate time, thus the need for a name.
690		958
691	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
692		960
693	=over 4	961	=over 4
…		…
817		1085
818	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
819	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
820		1088
821	} elsif (ref $type) {	1089	} elsif (ref $type) {
822	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
823		1091
824	} else {	1092	} else {
825	shift @arg;	1093	shift @arg;
826	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
827	}	1095	}
828	}	1096	}
829	}	1097	}
830		1098
831	sub _object_attach {	1099	sub _object_attach {
…		…
841	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
842	}	1110	}
843		1111
844	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
845	} else {	1113	} else {
846	warn "object uses attachment '$name' which is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
847	}	1115	}
848		1116
849	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
850	}	1118	}
851		1119
…		…
910		1178
911	for (@$callbacks) {	1179	for (@$callbacks) {
912	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
913		1181
914	if ($@) {	1182	if ($@) {
915	warn "$@";
916	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
917	override;	1184	override;
918	}	1185	}
919		1186
920	return 1 if $override;	1187	return 1 if $override;
921	}	1188	}
922		1189
923	0	1190	0
924	}	1191	}
925		1192
926	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
927		1194
928	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
929		1196
930	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
931		1198
…		…
937		1204
938	=cut	1205	=cut
939		1206
940	#############################################################################	1207	#############################################################################
941	# object support	1208	# object support
942	#
943		1209
		1210	sub _object_equal($$);
		1211	sub _object_equal($$) {
		1212	my ($a, $b) = @_;
		1213
		1214	return 0 unless (ref $a) eq (ref $b);
		1215
		1216	if ("HASH" eq ref $a) {
		1217	my @ka = keys %$a;
		1218	my @kb = keys %$b;
		1219
		1220	return 0 if @ka != @kb;
		1221
		1222	for (0 .. $#ka) {
		1223	return 0 unless $ka[$_] eq $kb[$_];
		1224	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1225	}
		1226
		1227	} elsif ("ARRAY" eq ref $a) {
		1228
		1229	return 0 if @$a != @$b;
		1230
		1231	for (0 .. $#$a) {
		1232	return 0 unless _object_equal $a->[$_], $b->[$_];
		1233	}
		1234
		1235	} elsif ($a ne $b) {
		1236	return 0;
		1237	}
		1238
		1239	1
		1240	}
		1241
		1242	our $SLOW_MERGES;#d#
944	sub _can_merge {	1243	sub _can_merge {
945	my ($ob1, $ob2) = @_;	1244	my ($ob1, $ob2) = @_;
946		1245
947	local $Storable::canonical = 1;	1246	++$SLOW_MERGES;#d#
948	my $fob1 = Storable::freeze $ob1;
949	my $fob2 = Storable::freeze $ob2;
950		1247
951	$fob1 eq $fob2	1248	# we do the slow way here
		1249	return _object_equal $ob1, $ob2
952	}	1250	}
953		1251
954	sub reattach {	1252	sub reattach {
955	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
956	my ($obj) = @_;	1254	my ($obj) = @_;
957		1255
		1256	# no longer needed after getting rid of delete_package?
958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1257	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
959		1258
960	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
961		1260
962	@$registry = ();	1261	@$registry = ();
963		1262
…		…
968	for (@$attach) {	1267	for (@$attach) {
969	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
970	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
971	}	1270	}
972	} else {	1271	} else {
973	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
974	}	1273	}
975	}	1274	}
976	}	1275	}
977		1276
978	cf::attachable->attach (	1277	cf::attachable->attach (
979	prio => -1000000,	1278	prio => -1000000,
980	on_instantiate => sub {	1279	on_instantiate => sub {
981	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
982		1281
983	$data = from_json $data;	1282	$data = decode_json $data;
984		1283
985	for (@$data) {	1284	for (@$data) {
986	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
987		1286
988	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
1004	sub object_freezer_save {	1303	sub object_freezer_save {
1005	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
1006		1305
1007	sync_job {	1306	sync_job {
1008	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
1009	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
1010	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
1011		1312
1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1013	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015	aio_fsync $fh if $cf::USE_FSYNC;	1316	if ($cf::USE_FSYNC) {
		1317	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1318	aio_fsync $fh;
		1319	}
1016	close $fh;	1320	aio_close $fh;
1017		1321
1018	if (@$objs) {	1322	if (@$objs) {
1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1323	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1020	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
1021	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
1023	aio_fsync $fh if $cf::USE_FSYNC;	1327	if ($cf::USE_FSYNC) {
		1328	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1329	aio_fsync $fh;
		1330	}
1024	close $fh;	1331	aio_close $fh;
1025	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
1026	}	1333	}
1027	} else {	1334	} else {
1028	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
1029	}	1336	}
1030		1337
1031	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
1032	} else {	1342	} else {
1033	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
1034	}	1344	}
1035	} else {	1345	} else {
1036	aio_unlink $filename;	1346	aio_unlink $filename;
1037	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
1038	}	1348	}
1039	}	1349	};
1040	}	1350	}
1041		1351
1042	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
1043	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
1044		1354
…		…
1056	or return;	1366	or return;
1057		1367
1058	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
1059	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
1060	or return;	1370	or return;
		1371
1061	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
1062	}	1374	}
1063		1375
		1376	utf8::decode (my $decname = $filename);
1064	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
1065	$filename, length $data, scalar @{$av || []};	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
1066	return ($data, $av);	1381	($data, $av)
1067	}	1382	}
1068		1383
1069	=head2 COMMAND CALLBACKS	1384	=head2 COMMAND CALLBACKS
1070		1385
1071	=over 4	1386	=over 4
…		…
1125	my ($name, $cb) = @_;	1440	my ($name, $cb) = @_;
1126		1441
1127	$EXTICMD{$name} = $cb;	1442	$EXTICMD{$name} = $cb;
1128	}	1443	}
1129		1444
		1445	use File::Glob ();
		1446
1130	cf::player->attach (	1447	cf::player->attach (
1131	on_command => sub {	1448	on_unknown_command => sub {
1132	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
1133		1450
1134	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
1135	or return;	1452	or return;
1136		1453
…		…
1149	my ($type, $reply, @payload) =	1466	my ($type, $reply, @payload) =
1150	"ARRAY" eq ref $msg	1467	"ARRAY" eq ref $msg
1151	? @$msg	1468	? @$msg
1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	1469	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1153		1470
		1471	my @reply;
		1472
1154	if (my $cb = $EXTCMD{$type}) {	1473	if (my $cb = $EXTCMD{$type}) {
1155	my @reply = $cb->($pl, @payload);	1474	@reply = $cb->($pl, @payload);
1156
1157	$pl->ext_reply ($reply, @reply)
1158	if $reply;
1159	}	1475	}
		1476
		1477	$pl->ext_reply ($reply, @reply)
		1478	if $reply;
		1479
1160	} else {	1480	} else {
1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1162	}	1482	}
1163		1483
1164	cf::override;	1484	cf::override;
1165	},	1485	},
1166	);	1486	);
1167		1487
		1488	# "readahead" all extensions
		1489	sub cache_extensions {
		1490	my $grp = IO::AIO::aio_group;
		1491
		1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1493	for (grep /\.ext$/, @{$_[0]}) {
		1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1495	}
		1496	};
		1497
		1498	$grp
		1499	}
		1500
1168	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
1169	cf::sync_job {	1504	cf::sync_job {
1170	my %todo;	1505	my %todo;
1171		1506
1172	for my $path (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
1173	next unless -r $path;	1508	next unless -r $path;
…		…
1191		1526
1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1527	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1528	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1194		1529
1195	$ext{source} =	1530	$ext{source} =
1196	"package $pkg; use strict; use utf8;\n"	1531	"package $pkg; use common::sense;\n"
1197	. "#line 1 \"$path\"\n{\n"	1532	. "#line 1 \"$path\"\n{\n"
1198	. $source	1533	. $source
1199	. "\n};\n1";	1534	. "\n};\n1";
1200		1535
1201	$todo{$base} = \%ext;	1536	$todo{$base} = \%ext;
1202	}	1537	}
1203		1538
		1539	my $pass = 0;
1204	my %done;	1540	my %done;
1205	while (%todo) {	1541	while (%todo) {
1206	my $progress;	1542	my $progress;
1207		1543
		1544	++$pass;
		1545
		1546	ext:
1208	while (my ($k, $v) = each %todo) {	1547	while (my ($k, $v) = each %todo) {
1209	for (split /,\s*/, $v->{meta}{depends}) {	1548	for (split /,\s*/, $v->{meta}{depends}) {
1210	goto skip	1549	next ext
1211	unless exists $done{$_};	1550	unless exists $done{$_};
1212	}	1551	}
1213		1552
1214	warn "... loading '$k' into '$v->{pkg}'\n";	1553	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1215		1554
1216	unless (eval $v->{source}) {	1555	my $active = eval $v->{source};
		1556
		1557	if (length $@) {
1217	my $msg = $@ ? "$v->{path}: $@\n"	1558	error "$v->{path}: $@\n";
1218	: "$v->{base}: extension inactive.\n";
1219		1559
		1560	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1220	if (exists $v->{meta}{mandatory}) {	1561	if exists $v->{meta}{mandatory};
1221	warn $msg;	1562
1222	warn "mandatory extension failed to load, exiting.\n";	1563	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1223	exit 1;	1564	delete $todo{$k};
1224	}	1565	} else {
1225		1566	$done{$k} = delete $todo{$k};
1226	warn $msg;	1567	push @EXTS, $v->{pkg};
		1568	$progress = 1;
		1569
		1570	info "$v->{base}: extension inactive.\n"
		1571	unless $active;
1227	}	1572	}
1228
1229	$done{$k} = delete $todo{$k};
1230	push @EXTS, $v->{pkg};
1231	$progress = 1;
1232	}	1573	}
1233		1574
1234	skip:	1575	unless ($progress) {
1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1576	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1236	unless $progress;	1577
		1578	while (my ($k, $v) = each %todo) {
		1579	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1580	if exists $v->{meta}{mandatory};
		1581	}
		1582
		1583	last;
		1584	}
1237	}	1585	}
1238	};	1586	};
1239	}	1587	}
1240		1588
1241	#############################################################################	1589	#############################################################################
1242		1590
1243	=back	1591	=back
1244		1592
1245	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
1246		1594
1247	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
1248		1596
1249	=cut	1597	=cut
1250		1598
1251	package cf::player;	1599	package cf::player;
1252		1600
1253	use Coro::AIO;	1601	use Coro::AIO;
1254		1602
1255	=head3 cf::player	1603	=head3 cf::player
1256		1604
1257	=over 4	1605	=over 4
		1606
		1607	=item cf::player::num_playing
		1608
		1609	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1610
		1611	=cut
		1612
		1613	sub num_playing {
		1614	scalar grep
		1615	$_->ob->map
		1616	&& !$_->hidden
		1617	&& !$_->ob->flag (cf::FLAG_WIZ),
		1618	cf::player::list
		1619	}
1258		1620
1259	=item cf::player::find $login	1621	=item cf::player::find $login
1260		1622
1261	Returns the given player object, loading it if necessary (might block).	1623	Returns the given player object, loading it if necessary (might block).
1262		1624
…		…
1281		1643
1282	sub exists($) {	1644	sub exists($) {
1283	my ($login) = @_;	1645	my ($login) = @_;
1284		1646
1285	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
1286	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
1287	}	1649	}
1288		1650
1289	sub find($) {	1651	sub find($) {
1290	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
1291	my $login = $_[0];	1653	my $login = $_[0];
…		…
1298	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1660	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1299	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1661	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1300	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1662	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1301	aio_unlink +(playerdir $login) . "/$login.pl";	1663	aio_unlink +(playerdir $login) . "/$login.pl";
1302		1664
1303	my $pl = load_pl path $login	1665	my $f = new_from_file cf::object::thawer path $login
1304	or return;	1666	or return;
		1667
		1668	my $pl = cf::player::load_pl $f
		1669	or return;
		1670
		1671	local $cf::PLAYER_LOADING{$login} = $pl;
		1672	$f->resolve_delayed_derefs;
1305	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
1306	}	1674	}
1307	}	1675	}
1308	}	1676	}
		1677
		1678	cf::player->attach (
		1679	on_load => sub {
		1680	my ($pl, $path) = @_;
		1681
		1682	# restore slots saved in save, below
		1683	my $slots = delete $pl->{_slots};
		1684
		1685	$pl->ob->current_weapon ($slots->[0]);
		1686	$pl->combat_ob ($slots->[1]);
		1687	$pl->ranged_ob ($slots->[2]);
		1688	},
		1689	);
1309		1690
1310	sub save($) {	1691	sub save($) {
1311	my ($pl) = @_;	1692	my ($pl) = @_;
1312		1693
1313	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
…		…
1318	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1319		1700
1320	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1321	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
1322		1703
		1704	cf::get_slot 0.01;
		1705
		1706	# save slots, to be restored later
		1707	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1708
1323	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1324	Coro::cede;	1710	cf::cede_to_tick;
1325	}	1711	}
1326		1712
1327	sub new($) {	1713	sub new($) {
1328	my ($login) = @_;	1714	my ($login) = @_;
1329		1715
…		…
1358	my ($pl) = @_;	1744	my ($pl) = @_;
1359		1745
1360	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1361		1747
1362	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1363	$pl->password ("*"); # this should lock out the player until we nuked the dir	1749	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1364		1750
1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1366	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1367	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1368	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1369		1759
1370	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1371	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1372	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1407	or return [];	1797	or return [];
1408		1798
1409	my @logins;	1799	my @logins;
1410		1800
1411	for my $login (@$dirs) {	1801	for my $login (@$dirs) {
		1802	my $path = path $login;
		1803
		1804	# a .pst is a dead give-away for a valid player
		1805	# if no pst file found, open and chekc for blocked users
		1806	if (aio_stat "$path.pst") {
1412	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1413	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1414	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1810	}
1415		1811
1416	utf8::decode $login;	1812	utf8::decode $login;
1417	push @logins, $login;	1813	push @logins, $login;
1418	}	1814	}
1419		1815
1420	\@logins	1816	\@logins
1421	}	1817	}
1422		1818
1423	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1424		1822
1425	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1426	player. May block.	1824	player. May block.
1427		1825
1428	=cut	1826	=cut
…		…
1446	}	1844	}
1447		1845
1448	\@paths	1846	\@paths
1449	}	1847	}
1450		1848
1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1452		1850
1453	Expand crossfire pod fragments into protocol xml.	1851	Expand deliantra pod fragments into protocol xml.
1454
1455	=cut
1456
1457	sub expand_cfpod {
1458	((my $self), (local $_)) = @_;
1459
1460	# escape & and <
1461	s/&/&amp;/g;
1462	s/(?<![BIUGH])</&lt;/g;
1463
1464	# this is buggy, it needs to properly take care of nested <'s
1465
1466	1 while
1467	# replace B<>, I<>, U<> etc.
1468	s/B<([^\>]*)>/<b>$1<\/b>/
1469	|| s/I<([^\>]*)>/<i>$1<\/i>/
1470	|| s/U<([^\>]*)>/<u>$1<\/u>/
1471	# replace G<male|female> tags
1472	|| s{G<([^>|]*)\|([^>]*)>}{
1473	$self->gender ? $2 : $1
1474	}ge
1475	# replace H<hint text>
1476	|| s{H<([^\>]*)>}
1477	{
1478	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1479	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1480	"")
1481	[$self->{hintmode}]
1482	}ge;
1483
1484	# create single paragraphs (very hackish)
1485	s/(?<=\S)\n(?=\w)/ /g;
1486
1487	# compress some whitespace
1488	s/\s+\n/\n/g; # ws line-ends
1489	s/\n\n+/\n/g; # double lines
1490	s/^\n+//; # beginning lines
1491	s/\n+$//; # ending lines
1492
1493	$_
1494	}
1495
1496	sub hintmode {
1497	$_[0]{hintmode} = $_[1] if @_ > 1;
1498	$_[0]{hintmode}
1499	}
1500		1852
1501	=item $player->ext_reply ($msgid, @msg)	1853	=item $player->ext_reply ($msgid, @msg)
1502		1854
1503	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1504		1856
…		…
1536		1888
1537	=cut	1889	=cut
1538		1890
1539	sub find_by_path($) {	1891	sub find_by_path($) {
1540	my ($path) = @_;	1892	my ($path) = @_;
		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
1541		1895
1542	my ($match, $specificity);	1896	my ($match, $specificity);
1543		1897
1544	for my $region (list) {	1898	for my $region (list) {
1545	if ($region->{match} && $path =~ $region->{match}) {	1899	if ($region->{match} && $path =~ $region->{match}) {
…		…
1571	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1572	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1573		1927
1574	sub generate_random_map {	1928	sub generate_random_map {
1575	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1576	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1577	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1578	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1579	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1580	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1581	$rmp->{exit_on_final_map},
1582	$rmp->{xsize}, $rmp->{ysize},
1583	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1584	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1585	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1586	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1587	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1588	(cf::region::find $rmp->{region}), $rmp->{custom}
1589	)
1590	}	1934	}
1591		1935
1592	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1593		1937
1594	Register a handler for the map path matching the given regex at the	1938	Register a handler for the map path matching the given regex at the
…		…
1599		1943
1600	sub register {	1944	sub register {
1601	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1602	my $pkg = caller;	1946	my $pkg = caller;
1603		1947
1604	no strict;
1605	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1606		1949
1607	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1608	}	1951	}
1609		1952
1610	# also paths starting with '/'	1953	# also paths starting with '/'
1611	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1612		1955
1613	sub thawer_merge {	1956	sub thawer_merge {
1614	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1615		1958
1616	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
…		…
1621	}	1964	}
1622		1965
1623	sub normalise {	1966	sub normalise {
1624	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1625		1968
1626	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1627		1970
1628	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1629		1972
1630	# map plan:	1973	# map plan:
1631	#	1974	#
…		…
1646	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1647	$path = "$base/$path";	1990	$path = "$base/$path";
1648	}	1991	}
1649		1992
1650	for ($path) {	1993	for ($path) {
1651	redo if s{//}{/};
1652	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1653	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1654	}	1996	}
1655		1997
1656	$path	1998	$path
…		…
1670	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1671	return $self;	2013	return $self;
1672	}	2014	}
1673	}	2015	}
1674		2016
1675	Carp::cluck "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1676	()	2018	()
1677	}	2019	}
1678		2020
		2021	# may re-bless or do other evil things
1679	sub init {	2022	sub init {
1680	my ($self) = @_;	2023	my ($self) = @_;
1681		2024
1682	$self	2025	$self
1683	}	2026	}
…		…
1702		2045
1703	# the temporary/swap location	2046	# the temporary/swap location
1704	sub save_path {	2047	sub save_path {
1705	my ($self) = @_;	2048	my ($self) = @_;
1706		2049
1707	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1708	"$TMPDIR/$path.map"	2051	"$TMPDIR/$path.map"
1709	}	2052	}
1710		2053
1711	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1712	sub uniq_path {	2055	sub uniq_path {
1713	my ($self) = @_;	2056	my ($self) = @_;
1714		2057
1715	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1716	"$UNIQUEDIR/$path"	2059	"$UNIQUEDIR/$path"
1717	}
1718
1719	# and all this just because we cannot iterate over
1720	# all maps in C++...
1721	sub change_all_map_light {
1722	my ($change) = @_;
1723
1724	$_->change_map_light ($change)
1725	for grep $_->outdoor, values %cf::MAP;
1726	}	2060	}
1727		2061
1728	sub decay_objects {	2062	sub decay_objects {
1729	my ($self) = @_;	2063	my ($self) = @_;
1730		2064
…		…
1743		2077
1744	sub load_header_from($) {	2078	sub load_header_from($) {
1745	my ($self, $path) = @_;	2079	my ($self, $path) = @_;
1746		2080
1747	utf8::encode $path;	2081	utf8::encode $path;
1748	#aio_open $path, O_RDONLY, 0	2082	my $f = new_from_file cf::object::thawer $path
1749	# or return;
1750
1751	$self->_load_header ($path)
1752	or return;	2083	or return;
1753		2084
		2085	$self->_load_header ($f)
		2086	or return;
		2087
		2088	local $MAP_LOADING{$self->{path}} = $self;
		2089	$f->resolve_delayed_derefs;
		2090
1754	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1755		2092
1756	1	2093	1
1757	}	2094	}
1758		2095
		2096	# used to laod the header of an original map
1759	sub load_header_orig {	2097	sub load_header_orig {
1760	my ($self) = @_;	2098	my ($self) = @_;
1761		2099
1762	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1763	}	2101	}
1764		2102
		2103	# used to laod the header of an instantiated map
1765	sub load_header_temp {	2104	sub load_header_temp {
1766	my ($self) = @_;	2105	my ($self) = @_;
1767		2106
1768	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1769	}	2108	}
1770		2109
		2110	# called after loading the header from an instantiated map
1771	sub prepare_temp {	2111	sub prepare_temp {
1772	my ($self) = @_;	2112	my ($self) = @_;
1773		2113
1774	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1775	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1776	# safety	2116	# safety
1777	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1778	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1779	}	2119	}
1780		2120
		2121	# called after loading the header from an original map
1781	sub prepare_orig {	2122	sub prepare_orig {
1782	my ($self) = @_;	2123	my ($self) = @_;
1783		2124
1784	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1785	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1809		2150
1810	sub find;	2151	sub find;
1811	sub find {	2152	sub find {
1812	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1813		2154
		2155	cf::cede_to_tick;
		2156
1814	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1815		2158
		2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1816	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1817		2161
1818	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1819	my $guard = cf::lock_acquire "map_find:$path";
1820	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1821	or return;	2164	or return;
1822		2165
1823	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1824		2167
…		…
1826	or return;	2169	or return;
1827		2170
1828	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1829	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1830	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1831	$map->reset;	2176	$map->reset;
1832	undef $guard;
1833	return find $path;	2177	return find $path;
1834	}	2178	}
1835		2179
1836	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1837	}	2181	}
1838	}	2182	}
1839		2183
1840	sub pre_load { }	2184	sub pre_load { }
1841	sub post_load { }	2185	#sub post_load { } # XS
1842		2186
1843	sub load {	2187	sub load {
1844	my ($self) = @_;	2188	my ($self) = @_;
1845		2189
1846	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
1847		2191
1848	my $path = $self->{path};	2192	my $path = $self->{path};
1849		2193
1850	{	2194	{
1851	my $guard = cf::lock_acquire "map_load:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1852		2196
		2197	return unless $self->valid;
1853	return if $self->in_memory != cf::MAP_SWAPPED;	2198	return unless $self->state == cf::MAP_SWAPPED;
1854
1855	$self->in_memory (cf::MAP_LOADING);
1856		2199
1857	$self->alloc;	2200	$self->alloc;
1858		2201
1859	$self->pre_load;	2202	$self->pre_load;
1860	Coro::cede;	2203	cf::cede_to_tick;
1861		2204
1862	$self->_load_objects ($self->{load_path}, 1)	2205	if (exists $self->{load_path}) {
		2206	my $f = new_from_file cf::object::thawer $self->{load_path};
		2207	$f->skip_block;
		2208	$self->_load_objects ($f)
1863	or return;	2209	or return;
1864		2210
1865	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1866	if delete $self->{load_original};	2212	if delete $self->{load_original};
1867		2213
1868	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1869	utf8::encode $uniq;	2215	utf8::encode $uniq;
1870	if (aio_open $uniq, O_RDONLY, 0) {	2216	unless (aio_stat $uniq) {
		2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1871	$self->clear_unique_items;	2218	$self->clear_unique_items;
1872	$self->_load_objects ($uniq, 0);	2219	$self->_load_objects ($f);
		2220	$f->resolve_delayed_derefs;
		2221	}
		2222	}
1873	}	2223	}
1874	}
1875		2224
1876	Coro::cede;	2225	$f->resolve_delayed_derefs;
		2226	} else {
		2227	$self->post_load_original
		2228	if delete $self->{load_original};
		2229	}
		2230
		2231	$self->state (cf::MAP_INACTIVE);
		2232
		2233	cf::cede_to_tick;
1877	# now do the right thing for maps	2234	# now do the right thing for maps
1878	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1879	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
1880	unless $self->difficulty;	2237	unless $self->difficulty;
1881	Coro::cede;	2238	cf::cede_to_tick;
1882		2239
1883	unless ($self->{deny_activate}) {	2240	unless ($self->{deny_activate}) {
1884	$self->decay_objects;	2241	$self->decay_objects;
1885	$self->fix_auto_apply;	2242	$self->fix_auto_apply;
1886	$self->update_buttons;	2243	$self->update_buttons;
1887	Coro::cede;	2244	$self->post_load_physics;
1888	$self->set_darkness_map;	2245	cf::cede_to_tick;
1889	Coro::cede;	2246	#$self->activate; # no longer activate maps automatically
1890	$self->activate;
1891	}	2247	}
1892		2248
1893	$self->{last_save} = $cf::RUNTIME;	2249	$self->{last_save} = $cf::RUNTIME;
1894	$self->last_access ($cf::RUNTIME);	2250	$self->last_access ($cf::RUNTIME);
1895
1896	$self->in_memory (cf::MAP_IN_MEMORY);
1897	}	2251	}
1898		2252
1899	$self->post_load;	2253	$self->post_load;
1900	}
1901		2254
		2255	1
		2256	}
		2257
		2258	# customize the map for a given player, i.e.
		2259	# return the _real_ map. used by e.g. per-player
		2260	# maps to change the path to ~playername/mappath
1902	sub customise_for {	2261	sub customise_for {
1903	my ($self, $ob) = @_;	2262	my ($self, $ob) = @_;
1904		2263
1905	return find "~" . $ob->name . "/" . $self->{path}	2264	return find "~" . $ob->name . "/" . $self->{path}
1906	if $self->per_player;	2265	if $self->per_player;
…		…
1922	or next;	2281	or next;
1923	$neigh = find $neigh, $map	2282	$neigh = find $neigh, $map
1924	or next;	2283	or next;
1925	$neigh->load;	2284	$neigh->load;
1926		2285
		2286	# now find the diagonal neighbours
1927	push @neigh,	2287	push @neigh,
1928	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2288	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1929	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2289	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1930	}	2290	}
1931		2291
…		…
1938	}	2298	}
1939		2299
1940	sub find_sync {	2300	sub find_sync {
1941	my ($path, $origin) = @_;	2301	my ($path, $origin) = @_;
1942		2302
1943	cf::sync_job { find $path, $origin }	2303	# it's a bug to call this from the main context
		2304	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2305	if $Coro::current == $Coro::main;
		2306
		2307	find $path, $origin
1944	}	2308	}
1945		2309
1946	sub do_load_sync {	2310	sub do_load_sync {
1947	my ($map) = @_;	2311	my ($map) = @_;
1948		2312
1949	cf::sync_job { $map->load };	2313	# it's a bug to call this from the main context
		2314	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2315	if $Coro::current == $Coro::main;
		2316
		2317	$map->load;
1950	}	2318	}
1951		2319
1952	our %MAP_PREFETCH;	2320	our %MAP_PREFETCH;
1953	our $MAP_PREFETCHER = undef;	2321	our $MAP_PREFETCHER = undef;
1954		2322
1955	sub find_async {	2323	sub find_async {
1956	my ($path, $origin) = @_;	2324	my ($path, $origin, $load) = @_;
1957		2325
1958	$path = normalise $path, $origin && $origin->{path};	2326	$path = normalise $path, $origin;
1959		2327
		2328	print "find async $path (from $origin)\n";#d#
		2329
1960	if (my $map = $cf::MAP{$path}) {	2330	if (my $map = $cf::MAP{$path}) {
1961	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2331	return $map if !$load || $map->linkable;
1962	}	2332	}
1963		2333
1964	undef $MAP_PREFETCH{$path};	2334	$MAP_PREFETCH{$path} |= $load;
		2335
1965	$MAP_PREFETCHER ||= cf::async {	2336	$MAP_PREFETCHER ||= cf::async {
		2337	$Coro::current->{desc} = "map prefetcher";
		2338
1966	while (%MAP_PREFETCH) {	2339	while (%MAP_PREFETCH) {
1967	for my $path (keys %MAP_PREFETCH) {	2340	while (my ($k, $v) = each %MAP_PREFETCH) {
1968	if (my $map = find $path) {	2341	if (my $map = find $k) {
1969	$map->load;	2342	$map->load if $v;
1970	}	2343	}
1971		2344
1972	delete $MAP_PREFETCH{$path};	2345	delete $MAP_PREFETCH{$k};
1973	}	2346	}
1974	}	2347	}
1975	undef $MAP_PREFETCHER;	2348	undef $MAP_PREFETCHER;
1976	};	2349	};
1977	$MAP_PREFETCHER->prio (6);	2350	$MAP_PREFETCHER->prio (6);
1978		2351
1979	()	2352	()
1980	}	2353	}
1981		2354
		2355	# common code, used by both ->save and ->swapout
1982	sub save {	2356	sub _save {
1983	my ($self) = @_;	2357	my ($self) = @_;
1984
1985	my $lock = cf::lock_acquire "map_data:" . $self->path;
1986		2358
1987	$self->{last_save} = $cf::RUNTIME;	2359	$self->{last_save} = $cf::RUNTIME;
1988		2360
1989	return unless $self->dirty;	2361	return unless $self->dirty;
1990		2362
…		…
1996	return if $self->{deny_save};	2368	return if $self->{deny_save};
1997		2369
1998	local $self->{last_access} = $self->last_access;#d#	2370	local $self->{last_access} = $self->last_access;#d#
1999		2371
2000	cf::async {	2372	cf::async {
		2373	$Coro::current->{desc} = "map player save";
2001	$_->contr->save for $self->players;	2374	$_->contr->save for $self->players;
2002	};	2375	};
		2376
		2377	cf::get_slot 0.02;
2003		2378
2004	if ($uniq) {	2379	if ($uniq) {
2005	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2380	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2006	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2381	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2007	} else {	2382	} else {
2008	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2383	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2009	}	2384	}
2010	}	2385	}
2011		2386
		2387	sub save {
		2388	my ($self) = @_;
		2389
		2390	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2391
		2392	$self->_save;
		2393	}
		2394
2012	sub swap_out {	2395	sub swap_out {
2013	my ($self) = @_;	2396	my ($self) = @_;
2014		2397
2015	# save first because save cedes
2016	$self->save;
2017
2018	my $lock = cf::lock_acquire "map_data:" . $self->path;	2398	my $lock = cf::lock_acquire "map_data:$self->{path}";
2019		2399
		2400	return if !$self->linkable;
		2401	return if $self->{deny_save};
2020	return if $self->players;	2402	return if $self->players;
2021	return if $self->in_memory != cf::MAP_IN_MEMORY;
2022	return if $self->{deny_save};
2023		2403
		2404	# first deactivate the map and "unlink" it from the core
		2405	$self->deactivate;
		2406	$_->clear_links_to ($self) for values %cf::MAP;
		2407	$self->state (cf::MAP_SWAPPED);
		2408
		2409	# then atomically save
		2410	$self->_save;
		2411
		2412	# then free the map
2024	$self->clear;	2413	$self->clear;
2025	$self->in_memory (cf::MAP_SWAPPED);
2026	}	2414	}
2027		2415
2028	sub reset_at {	2416	sub reset_at {
2029	my ($self) = @_;	2417	my ($self) = @_;
2030		2418
…		…
2048		2436
2049	my $lock = cf::lock_acquire "map_data:$self->{path}";	2437	my $lock = cf::lock_acquire "map_data:$self->{path}";
2050		2438
2051	return if $self->players;	2439	return if $self->players;
2052		2440
2053	warn "resetting map ", $self->path;	2441	cf::trace "resetting map ", $self->path, "\n";
2054		2442
2055	$self->in_memory (cf::MAP_SWAPPED);	2443	$self->state (cf::MAP_SWAPPED);
2056		2444
2057	# need to save uniques path	2445	# need to save uniques path
2058	unless ($self->{deny_save}) {	2446	unless ($self->{deny_save}) {
2059	my $uniq = $self->uniq_path; utf8::encode $uniq;	2447	my $uniq = $self->uniq_path; utf8::encode $uniq;
2060		2448
…		…
2062	if $uniq;	2450	if $uniq;
2063	}	2451	}
2064		2452
2065	delete $cf::MAP{$self->path};	2453	delete $cf::MAP{$self->path};
2066		2454
		2455	$self->deactivate;
		2456	$_->clear_links_to ($self) for values %cf::MAP;
2067	$self->clear;	2457	$self->clear;
2068
2069	$_->clear_links_to ($self) for values %cf::MAP;
2070		2458
2071	$self->unlink_save;	2459	$self->unlink_save;
2072	$self->destroy;	2460	$self->destroy;
2073	}	2461	}
2074		2462
2075	my $nuke_counter = "aaaa";	2463	my $nuke_counter = "aaaa";
2076		2464
2077	sub nuke {	2465	sub nuke {
2078	my ($self) = @_;	2466	my ($self) = @_;
2079		2467
		2468	{
		2469	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2470
2080	delete $cf::MAP{$self->path};	2471	delete $cf::MAP{$self->path};
2081		2472
2082	$self->unlink_save;	2473	$self->unlink_save;
2083		2474
2084	bless $self, "cf::map";	2475	bless $self, "cf::map::wrap";
2085	delete $self->{deny_reset};	2476	delete $self->{deny_reset};
2086	$self->{deny_save} = 1;	2477	$self->{deny_save} = 1;
2087	$self->reset_timeout (1);	2478	$self->reset_timeout (1);
2088	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2479	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2089		2480
2090	$cf::MAP{$self->path} = $self;	2481	$cf::MAP{$self->path} = $self;
		2482	}
2091		2483
2092	$self->reset; # polite request, might not happen	2484	$self->reset; # polite request, might not happen
2093	}	2485	}
2094		2486
2095	=item $maps = cf::map::tmp_maps	2487	=item $maps = cf::map::tmp_maps
…		…
2137		2529
2138	sub unique_maps() {	2530	sub unique_maps() {
2139	[	2531	[
2140	map {	2532	map {
2141	utf8::decode $_;	2533	utf8::decode $_;
2142	/\.map$/	2534	s/\.map$//; # TODO future compatibility hack
		2535	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2536	? ()
2143	? normalise $_	2537	: normalise $_
2144	: ()
2145	} @{ aio_readdir $UNIQUEDIR or [] }	2538	} @{ aio_readdir $UNIQUEDIR or [] }
2146	]	2539	]
2147	}	2540	}
2148		2541
2149	package cf;	2542	=item cf::map::static_maps
		2543
		2544	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2545	file in the shared directory excluding F</styles> and F</editor>). May
		2546	block.
		2547
		2548	=cut
		2549
		2550	sub static_maps() {
		2551	my @dirs = "";
		2552	my @maps;
		2553
		2554	while (@dirs) {
		2555	my $dir = shift @dirs;
		2556
		2557	next if $dir eq "/styles" || $dir eq "/editor";
		2558
		2559	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2560	or return;
		2561
		2562	for (@$files) {
		2563	s/\.map$// or next;
		2564	utf8::decode $_;
		2565	push @maps, "$dir/$_";
		2566	}
		2567
		2568	push @dirs, map "$dir/$_", @$dirs;
		2569	}
		2570
		2571	\@maps
		2572	}
2150		2573
2151	=back	2574	=back
2152		2575
2153	=head3 cf::object	2576	=head3 cf::object
2154		2577
…		…
2158		2581
2159	=over 4	2582	=over 4
2160		2583
2161	=item $ob->inv_recursive	2584	=item $ob->inv_recursive
2162		2585
2163	Returns the inventory of the object _and_ their inventories, recursively.	2586	Returns the inventory of the object I<and> their inventories, recursively,
		2587	but I<not> the object itself.
2164		2588
2165	=cut	2589	=cut
2166		2590
2167	sub inv_recursive_;	2591	sub inv_recursive_;
2168	sub inv_recursive_ {	2592	sub inv_recursive_ {
…		…
2171		2595
2172	sub inv_recursive {	2596	sub inv_recursive {
2173	inv_recursive_ inv $_[0]	2597	inv_recursive_ inv $_[0]
2174	}	2598	}
2175		2599
		2600	=item $ref = $ob->ref
		2601
		2602	Creates and returns a persistent reference to an object that can be stored as a string.
		2603
		2604	=item $ob = cf::object::deref ($refstring)
		2605
		2606	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2607	even if the object actually exists. May block.
		2608
		2609	=cut
		2610
		2611	sub deref {
		2612	my ($ref) = @_;
		2613
		2614	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2615	my ($uuid, $name) = ($1, $2);
		2616	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2617	or return;
		2618	$pl->ob->uuid eq $uuid
		2619	or return;
		2620
		2621	$pl->ob
		2622	} else {
		2623	warn "$ref: cannot resolve object reference\n";
		2624	undef
		2625	}
		2626	}
		2627
2176	package cf;	2628	package cf;
2177		2629
2178	=back	2630	=back
2179		2631
2180	=head3 cf::object::player	2632	=head3 cf::object::player
…		…
2186	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2638	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2187	can be C<undef>. Does the right thing when the player is currently in a	2639	can be C<undef>. Does the right thing when the player is currently in a
2188	dialogue with the given NPC character.	2640	dialogue with the given NPC character.
2189		2641
2190	=cut	2642	=cut
		2643
		2644	our $SAY_CHANNEL = {
		2645	id => "say",
		2646	title => "Map",
		2647	reply => "say ",
		2648	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2649	};
		2650
		2651	our $CHAT_CHANNEL = {
		2652	id => "chat",
		2653	title => "Chat",
		2654	reply => "chat ",
		2655	tooltip => "Player chat and shouts, global to the server.",
		2656	};
2191		2657
2192	# rough implementation of a future "reply" method that works	2658	# rough implementation of a future "reply" method that works
2193	# with dialog boxes.	2659	# with dialog boxes.
2194	#TODO: the first argument must go, split into a $npc->reply_to ( method	2660	#TODO: the first argument must go, split into a $npc->reply_to ( method
2195	sub cf::object::player::reply($$$;$) {	2661	sub cf::object::player::reply($$$;$) {
…		…
2207	my $dialog = $pl->{npc_dialog};	2673	my $dialog = $pl->{npc_dialog};
2208	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2674	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2209		2675
2210	} else {	2676	} else {
2211	$msg = $npc->name . " says: $msg" if $npc;	2677	$msg = $npc->name . " says: $msg" if $npc;
2212	$self->message ($msg, $flags);	2678	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2213	}	2679	}
2214	}	2680	}
2215	}	2681	}
2216		2682
2217	=item $object->send_msg ($channel, $msg, $color, [extra...])	2683	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2242		2708
2243	=item $player_object->enter_link	2709	=item $player_object->enter_link
2244		2710
2245	Freezes the player and moves him/her to a special map (C<{link}>).	2711	Freezes the player and moves him/her to a special map (C<{link}>).
2246		2712
2247	The player should be reasonably safe there for short amounts of time. You	2713	The player should be reasonably safe there for short amounts of time (e.g.
2248	I<MUST> call C<leave_link> as soon as possible, though.	2714	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2715	though, as the player cannot control the character while it is on the link
		2716	map.
2249		2717
2250	Will never block.	2718	Will never block.
2251		2719
2252	=item $player_object->leave_link ($map, $x, $y)	2720	=item $player_object->leave_link ($map, $x, $y)
2253		2721
…		…
2273	sub cf::object::player::enter_link {	2741	sub cf::object::player::enter_link {
2274	my ($self) = @_;	2742	my ($self) = @_;
2275		2743
2276	$self->deactivate_recursive;	2744	$self->deactivate_recursive;
2277		2745
		2746	++$self->{_link_recursion};
		2747
2278	return if UNIVERSAL::isa $self->map, "ext::map_link";	2748	return if UNIVERSAL::isa $self->map, "ext::map_link";
2279		2749
2280	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2750	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2281	if $self->map && $self->map->{path} ne "{link}";	2751	if $self->map && $self->map->{path} ne "{link}";
2282		2752
2283	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2753	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2284	}	2754	}
2285		2755
2286	sub cf::object::player::leave_link {	2756	sub cf::object::player::leave_link {
2287	my ($self, $map, $x, $y) = @_;	2757	my ($self, $map, $x, $y) = @_;
2288		2758
…		…
2305	($x, $y) = (-1, -1)	2775	($x, $y) = (-1, -1)
2306	unless (defined $x) && (defined $y);	2776	unless (defined $x) && (defined $y);
2307		2777
2308	# use -1 or undef as default coordinates, not 0, 0	2778	# use -1 or undef as default coordinates, not 0, 0
2309	($x, $y) = ($map->enter_x, $map->enter_y)	2779	($x, $y) = ($map->enter_x, $map->enter_y)
2310	if $x <=0 && $y <= 0;	2780	if $x <= 0 && $y <= 0;
2311		2781
2312	$map->load;	2782	$map->load;
2313	$map->load_neighbours;	2783	$map->load_neighbours;
2314		2784
2315	return unless $self->contr->active;	2785	return unless $self->contr->active;
2316	$self->activate_recursive;
2317		2786
2318	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2787	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2319	$self->enter_map ($map, $x, $y);	2788	if ($self->enter_map ($map, $x, $y)) {
2320	}	2789	# entering was successful
		2790	delete $self->{_link_recursion};
		2791	# only activate afterwards, to support waiting in hooks
		2792	$self->activate_recursive;
		2793	}
2321		2794
		2795	}
		2796
2322	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2797	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2323		2798
2324	Moves the player to the given map-path and coordinates by first freezing	2799	Moves the player to the given map-path and coordinates by first freezing
2325	her, loading and preparing them map, calling the provided $check callback	2800	her, loading and preparing them map, calling the provided $check callback
2326	that has to return the map if sucecssful, and then unfreezes the player on	2801	that has to return the map if sucecssful, and then unfreezes the player on
2327	the new (success) or old (failed) map position. In either case, $done will	2802	the new (success) or old (failed) map position. In either case, $done will
2328	be called at the end of this process.	2803	be called at the end of this process.
2329		2804
		2805	Note that $check will be called with a potentially non-loaded map, so if
		2806	it needs a loaded map it has to call C<< ->load >>.
		2807
2330	=cut	2808	=cut
2331		2809
2332	our $GOTOGEN;	2810	our $GOTOGEN;
2333		2811
2334	sub cf::object::player::goto {	2812	sub cf::object::player::goto {
2335	my ($self, $path, $x, $y, $check, $done) = @_;	2813	my ($self, $path, $x, $y, $check, $done) = @_;
2336		2814
		2815	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2816	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2817	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2818	($path, $x, $y) = @$EMERGENCY_POSITION;
		2819	}
		2820
2337	# do generation counting so two concurrent goto's will be executed in-order	2821	# do generation counting so two concurrent goto's will be executed in-order
2338	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2822	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2339		2823
2340	$self->enter_link;	2824	$self->enter_link;
2341		2825
2342	(async {	2826	(async {
		2827	$Coro::current->{desc} = "player::goto $path $x $y";
		2828
		2829	# *tag paths override both path and x|y
		2830	if ($path =~ /^\*(.*)$/) {
		2831	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2832	my $ob = $obs[rand @obs];
		2833
		2834	# see if we actually can go there
		2835	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2836	$ob = $obs[rand @obs];
		2837	} else {
		2838	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2839	}
		2840	# else put us there anyways for now #d#
		2841
		2842	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2843	} else {
		2844	($path, $x, $y) = (undef, undef, undef);
		2845	}
		2846	}
		2847
2343	my $map = eval {	2848	my $map = eval {
2344	my $map = cf::map::find $path;	2849	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2345		2850
2346	if ($map) {	2851	if ($map) {
2347	$map = $map->customise_for ($self);	2852	$map = $map->customise_for ($self);
2348	$map = $check->($map) if $check && $map;	2853	$map = $check->($map, $x, $y, $self) if $check && $map;
2349	} else {	2854	} else {
2350	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2855	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2351	}	2856	}
2352		2857
2353	$map	2858	$map
2354	};	2859	};
2355		2860
…		…
2361	if ($gen == $self->{_goto_generation}) {	2866	if ($gen == $self->{_goto_generation}) {
2362	delete $self->{_goto_generation};	2867	delete $self->{_goto_generation};
2363	$self->leave_link ($map, $x, $y);	2868	$self->leave_link ($map, $x, $y);
2364	}	2869	}
2365		2870
2366	$done->() if $done;	2871	$done->($self) if $done;
2367	})->prio (1);	2872	})->prio (1);
2368	}	2873	}
2369		2874
2370	=item $player_object->enter_exit ($exit_object)	2875	=item $player_object->enter_exit ($exit_object)
2371		2876
…		…
2391	}	2896	}
2392		2897
2393	sub prepare_random_map {	2898	sub prepare_random_map {
2394	my ($exit) = @_;	2899	my ($exit) = @_;
2395		2900
2396	my $guard = cf::lock_acquire "exit_prepare:$exit";
2397
2398	# all this does is basically replace the /! path by	2901	# all this does is basically replace the /! path by
2399	# a new random map path (?random/...) with a seed	2902	# a new random map path (?random/...) with a seed
2400	# that depends on the exit object	2903	# that depends on the exit object
2401		2904
2402	my $rmp = parse_random_map_params $exit->msg;	2905	my $rmp = parse_random_map_params $exit->msg;
…		…
2404	if ($exit->map) {	2907	if ($exit->map) {
2405	$rmp->{region} = $exit->region->name;	2908	$rmp->{region} = $exit->region->name;
2406	$rmp->{origin_map} = $exit->map->path;	2909	$rmp->{origin_map} = $exit->map->path;
2407	$rmp->{origin_x} = $exit->x;	2910	$rmp->{origin_x} = $exit->x;
2408	$rmp->{origin_y} = $exit->y;	2911	$rmp->{origin_y} = $exit->y;
		2912
		2913	$exit->map->touch;
2409	}	2914	}
2410		2915
2411	$rmp->{random_seed} ||= $exit->random_seed;	2916	$rmp->{random_seed} ||= $exit->random_seed;
2412		2917
2413	my $data = cf::to_json $rmp;	2918	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2414	my $md5 = Digest::MD5::md5_hex $data;	2919	my $md5 = Digest::MD5::md5_hex $data;
2415	my $meta = "$RANDOMDIR/$md5.meta";	2920	my $meta = "$RANDOMDIR/$md5.meta";
2416		2921
2417	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2922	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2418	aio_write $fh, 0, (length $data), $data, 0;	2923	aio_write $fh, 0, (length $data), $data, 0;
2419	undef $fh;	2924	undef $fh;
2420	aio_rename "$meta~", $meta;	2925	aio_rename "$meta~", $meta;
2421		2926
		2927	my $slaying = "?random/$md5";
		2928
		2929	if ($exit->valid) {
2422	$exit->slaying ("?random/$md5");	2930	$exit->slaying ("?random/$md5");
2423	$exit->msg (undef);	2931	$exit->msg (undef);
		2932	}
2424	}	2933	}
2425	}	2934	}
2426		2935
2427	sub cf::object::player::enter_exit {	2936	sub cf::object::player::enter_exit {
2428	my ($self, $exit) = @_;	2937	my ($self, $exit) = @_;
2429		2938
2430	return unless $self->type == cf::PLAYER;	2939	return unless $self->type == cf::PLAYER;
2431		2940
2432	if ($exit->slaying eq "/!") {
2433	#TODO: this should de-fi-ni-te-ly not be a sync-job
2434	# the problem is that $exit might not survive long enough
2435	# so it needs to be done right now, right here
2436	cf::sync_job { prepare_random_map $exit };
2437	}
2438
2439	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2440	my $hp = $exit->stats->hp;
2441	my $sp = $exit->stats->sp;
2442
2443	$self->enter_link;	2941	$self->enter_link;
2444		2942
2445	# if exit is damned, update players death & WoR home-position
2446	$self->contr->savebed ($slaying, $hp, $sp)
2447	if $exit->flag (FLAG_DAMNED);
2448
2449	(async {	2943	(async {
2450	$self->deactivate_recursive; # just to be sure	2944	$Coro::current->{desc} = "enter_exit";
		2945
2451	unless (eval {	2946	unless (eval {
		2947	$self->deactivate_recursive; # just to be sure
		2948
		2949	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2950	my $x = $exit->stats->hp;
		2951	my $y = $exit->stats->sp;
		2952
		2953	# special map handling
		2954	my $slaying = $exit->slaying;
		2955
		2956	# special map handling
		2957	if ($slaying eq "/!") {
		2958	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2959
		2960	prepare_random_map $exit
		2961	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2962
		2963	$map = $exit->slaying;
		2964
		2965	} elsif ($slaying eq '!up') {
		2966	$map = $exit->map->tile_path (cf::TILE_UP);
		2967	$x = $exit->x;
		2968	$y = $exit->y;
		2969
		2970	} elsif ($slaying eq '!down') {
		2971	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2972	$x = $exit->x;
		2973	$y = $exit->y;
		2974	}
		2975
2452	$self->goto ($slaying, $hp, $sp);	2976	$self->goto ($map, $x, $y);
2453		2977
		2978	# if exit is damned, update players death & WoR home-position
		2979	$self->contr->savebed ($map, $x, $y)
		2980	if $exit->flag (cf::FLAG_DAMNED);
		2981
2454	1;	2982	1
2455	}) {	2983	}) {
2456	$self->message ("Something went wrong deep within the crossfire server. "	2984	$self->message ("Something went wrong deep within the deliantra server. "
2457	. "I'll try to bring you back to the map you were before. "	2985	. "I'll try to bring you back to the map you were before. "
2458	. "Please report this to the dungeon master!",	2986	. "Please report this to the dungeon master!",
2459	cf::NDI_UNIQUE | cf::NDI_RED);	2987	cf::NDI_UNIQUE | cf::NDI_RED);
2460		2988
2461	warn "ERROR in enter_exit: $@";	2989	error "ERROR in enter_exit: $@";
2462	$self->leave_link;	2990	$self->leave_link;
2463	}	2991	}
2464	})->prio (1);	2992	})->prio (1);
2465	}	2993	}
2466		2994
…		…
2478	sub cf::client::send_drawinfo {	3006	sub cf::client::send_drawinfo {
2479	my ($self, $text, $flags) = @_;	3007	my ($self, $text, $flags) = @_;
2480		3008
2481	utf8::encode $text;	3009	utf8::encode $text;
2482	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3010	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3011	}
		3012
		3013	=item $client->send_big_packet ($pkt)
		3014
		3015	Like C<send_packet>, but tries to compress large packets, and fragments
		3016	them as required.
		3017
		3018	=cut
		3019
		3020	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3021
		3022	sub cf::client::send_big_packet {
		3023	my ($self, $pkt) = @_;
		3024
		3025	# try lzf for large packets
		3026	$pkt = "lzf " . Compress::LZF::compress $pkt
		3027	if 1024 <= length $pkt and $self->{can_lzf};
		3028
		3029	# split very large packets
		3030	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3031	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3032	$pkt = "frag";
		3033	}
		3034
		3035	$self->send_packet ($pkt);
2483	}	3036	}
2484		3037
2485	=item $client->send_msg ($channel, $msg, $color, [extra...])	3038	=item $client->send_msg ($channel, $msg, $color, [extra...])
2486		3039
2487	Send a drawinfo or msg packet to the client, formatting the msg for the	3040	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2489	the message, with C<log> being the default. If C<$color> is negative, suppress	3042	the message, with C<log> being the default. If C<$color> is negative, suppress
2490	the message unless the client supports the msg packet.	3043	the message unless the client supports the msg packet.
2491		3044
2492	=cut	3045	=cut
2493		3046
		3047	# non-persistent channels (usually the info channel)
		3048	our %CHANNEL = (
		3049	"c/motd" => {
		3050	id => "infobox",
		3051	title => "MOTD",
		3052	reply => undef,
		3053	tooltip => "The message of the day",
		3054	},
		3055	"c/identify" => {
		3056	id => "infobox",
		3057	title => "Identify",
		3058	reply => undef,
		3059	tooltip => "Items recently identified",
		3060	},
		3061	"c/examine" => {
		3062	id => "infobox",
		3063	title => "Examine",
		3064	reply => undef,
		3065	tooltip => "Signs and other items you examined",
		3066	},
		3067	"c/shopinfo" => {
		3068	id => "infobox",
		3069	title => "Shop Info",
		3070	reply => undef,
		3071	tooltip => "What your bargaining skill tells you about the shop",
		3072	},
		3073	"c/book" => {
		3074	id => "infobox",
		3075	title => "Book",
		3076	reply => undef,
		3077	tooltip => "The contents of a note or book",
		3078	},
		3079	"c/lookat" => {
		3080	id => "infobox",
		3081	title => "Look",
		3082	reply => undef,
		3083	tooltip => "What you saw there",
		3084	},
		3085	"c/who" => {
		3086	id => "infobox",
		3087	title => "Players",
		3088	reply => undef,
		3089	tooltip => "Shows players who are currently online",
		3090	},
		3091	"c/body" => {
		3092	id => "infobox",
		3093	title => "Body Parts",
		3094	reply => undef,
		3095	tooltip => "Shows which body parts you posess and are available",
		3096	},
		3097	"c/statistics" => {
		3098	id => "infobox",
		3099	title => "Statistics",
		3100	reply => undef,
		3101	tooltip => "Shows your primary statistics",
		3102	},
		3103	"c/skills" => {
		3104	id => "infobox",
		3105	title => "Skills",
		3106	reply => undef,
		3107	tooltip => "Shows your experience per skill and item power",
		3108	},
		3109	"c/shopitems" => {
		3110	id => "infobox",
		3111	title => "Shop Items",
		3112	reply => undef,
		3113	tooltip => "Shows the items currently for sale in this shop",
		3114	},
		3115	"c/resistances" => {
		3116	id => "infobox",
		3117	title => "Resistances",
		3118	reply => undef,
		3119	tooltip => "Shows your resistances",
		3120	},
		3121	"c/pets" => {
		3122	id => "infobox",
		3123	title => "Pets",
		3124	reply => undef,
		3125	tooltip => "Shows information abotu your pets/a specific pet",
		3126	},
		3127	"c/perceiveself" => {
		3128	id => "infobox",
		3129	title => "Perceive Self",
		3130	reply => undef,
		3131	tooltip => "You gained detailed knowledge about yourself",
		3132	},
		3133	"c/uptime" => {
		3134	id => "infobox",
		3135	title => "Uptime",
		3136	reply => undef,
		3137	tooltip => "How long the server has been running since last restart",
		3138	},
		3139	"c/mapinfo" => {
		3140	id => "infobox",
		3141	title => "Map Info",
		3142	reply => undef,
		3143	tooltip => "Information related to the maps",
		3144	},
		3145	"c/party" => {
		3146	id => "party",
		3147	title => "Party",
		3148	reply => "gsay ",
		3149	tooltip => "Messages and chat related to your party",
		3150	},
		3151	"c/death" => {
		3152	id => "death",
		3153	title => "Death",
		3154	reply => undef,
		3155	tooltip => "Reason for and more info about your most recent death",
		3156	},
		3157	"c/say" => $SAY_CHANNEL,
		3158	"c/chat" => $CHAT_CHANNEL,
		3159	);
		3160
2494	sub cf::client::send_msg {	3161	sub cf::client::send_msg {
2495	my ($self, $channel, $msg, $color, @extra) = @_;	3162	my ($self, $channel, $msg, $color, @extra) = @_;
2496		3163
2497	$msg = $self->pl->expand_cfpod ($msg);	3164	$msg = $self->pl->expand_cfpod ($msg)
		3165	unless $color & cf::NDI_VERBATIM;
2498		3166
2499	$color &= cf::NDI_CLIENT_MASK; # just in case...	3167	$color &= cf::NDI_CLIENT_MASK; # just in case...
2500		3168
		3169	# check predefined channels, for the benefit of C
		3170	if ($CHANNEL{$channel}) {
		3171	$channel = $CHANNEL{$channel};
		3172
		3173	$self->ext_msg (channel_info => $channel);
		3174	$channel = $channel->{id};
		3175
2501	if (ref $channel) {	3176	} elsif (ref $channel) {
2502	# send meta info to client, if not yet sent	3177	# send meta info to client, if not yet sent
2503	unless (exists $self->{channel}{$channel->{id}}) {	3178	unless (exists $self->{channel}{$channel->{id}}) {
2504	$self->{channel}{$channel->{id}} = $channel;	3179	$self->{channel}{$channel->{id}} = $channel;
2505	$self->ext_msg (channel_info => $channel);	3180	$self->ext_msg (channel_info => $channel);
2506	}	3181	}
…		…
2508	$channel = $channel->{id};	3183	$channel = $channel->{id};
2509	}	3184	}
2510		3185
2511	return unless @extra || length $msg;	3186	return unless @extra || length $msg;
2512		3187
2513	if ($self->can_msg) {
2514	# default colour, mask it out	3188	# default colour, mask it out
2515	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3189	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2516	if $color & cf::NDI_DEF;	3190	if $color & cf::NDI_DEF;
2517		3191
2518	$self->send_packet ("msg " . $self->{json_coder}->encode (	3192	my $pkt = "msg "
		3193	. $self->{json_coder}->encode (
2519	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3194	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2520	} else {	3195	);
2521	if ($color >= 0) {
2522	# replace some tags by gcfclient-compatible ones
2523	for ($msg) {
2524	1 while
2525	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2526	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2527	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2528	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2529	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2530	}
2531		3196
2532	$color &= cf::NDI_COLOR_MASK;	3197	$self->send_big_packet ($pkt);
2533
2534	utf8::encode $msg;
2535
2536	if (0 && $msg =~ /\[/) {
2537	# COMMAND/INFO
2538	$self->send_packet ("drawextinfo $color 10 8 $msg")
2539	} else {
2540	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2541	$self->send_packet ("drawinfo $color $msg")
2542	}
2543	}
2544	}
2545	}	3198	}
2546		3199
2547	=item $client->ext_msg ($type, @msg)	3200	=item $client->ext_msg ($type, @msg)
2548		3201
2549	Sends an ext event to the client.	3202	Sends an ext event to the client.
…		…
2551	=cut	3204	=cut
2552		3205
2553	sub cf::client::ext_msg($$@) {	3206	sub cf::client::ext_msg($$@) {
2554	my ($self, $type, @msg) = @_;	3207	my ($self, $type, @msg) = @_;
2555		3208
2556	my $extcmd = $self->extcmd;
2557
2558	if ($extcmd == 2) {	3209	if ($self->extcmd == 2) {
2559	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3210	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2560	} elsif ($extcmd == 1) { # TODO: remove	3211	} elsif ($self->extcmd == 1) { # TODO: remove
2561	push @msg, msgtype => "event_$type";	3212	push @msg, msgtype => "event_$type";
2562	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3213	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2563	}	3214	}
2564	}	3215	}
2565		3216
2566	=item $client->ext_reply ($msgid, @msg)	3217	=item $client->ext_reply ($msgid, @msg)
2567		3218
…		…
2571		3222
2572	sub cf::client::ext_reply($$@) {	3223	sub cf::client::ext_reply($$@) {
2573	my ($self, $id, @msg) = @_;	3224	my ($self, $id, @msg) = @_;
2574		3225
2575	if ($self->extcmd == 2) {	3226	if ($self->extcmd == 2) {
2576	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3227	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2577	} elsif ($self->ns->extcmd == 1) {	3228	} elsif ($self->extcmd == 1) {
2578	#TODO: version 1, remove	3229	#TODO: version 1, remove
2579	unshift @msg, msgtype => "reply", msgid => $id;	3230	unshift @msg, msgtype => "reply", msgid => $id;
2580	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3231	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2581	}	3232	}
2582	}	3233	}
2583		3234
2584	=item $success = $client->query ($flags, "text", \&cb)	3235	=item $success = $client->query ($flags, "text", \&cb)
2585		3236
…		…
2646	my ($type, $reply, @payload) =	3297	my ($type, $reply, @payload) =
2647	"ARRAY" eq ref $msg	3298	"ARRAY" eq ref $msg
2648	? @$msg	3299	? @$msg
2649	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	3300	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2650		3301
		3302	my @reply;
		3303
2651	if (my $cb = $EXTICMD{$type}) {	3304	if (my $cb = $EXTICMD{$type}) {
2652	my @reply = $cb->($ns, @payload);	3305	@reply = $cb->($ns, @payload);
2653
2654	$ns->ext_reply ($reply, @reply)
2655	if $reply;
2656	}	3306	}
		3307
		3308	$ns->ext_reply ($reply, @reply)
		3309	if $reply;
		3310
2657	} else {	3311	} else {
2658	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3312	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2659	}	3313	}
2660		3314
2661	cf::override;	3315	cf::override;
2662	},	3316	},
2663	);	3317	);
…		…
2683		3337
2684	$coro	3338	$coro
2685	}	3339	}
2686		3340
2687	cf::client->attach (	3341	cf::client->attach (
2688	on_destroy => sub {	3342	on_client_destroy => sub {
2689	my ($ns) = @_;	3343	my ($ns) = @_;
2690		3344
2691	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3345	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2692	},	3346	},
2693	);	3347	);
…		…
2709	our $safe_hole = new Safe::Hole;	3363	our $safe_hole = new Safe::Hole;
2710		3364
2711	$SIG{FPE} = 'IGNORE';	3365	$SIG{FPE} = 'IGNORE';
2712		3366
2713	$safe->permit_only (Opcode::opset qw(	3367	$safe->permit_only (Opcode::opset qw(
2714	:base_core :base_mem :base_orig :base_math	3368	:base_core :base_mem :base_orig :base_math :base_loop
2715	grepstart grepwhile mapstart mapwhile	3369	grepstart grepwhile mapstart mapwhile
2716	sort time	3370	sort time
2717	));	3371	));
2718		3372
2719	# here we export the classes and methods available to script code	3373	# here we export the classes and methods available to script code
…		…
2721	=pod	3375	=pod
2722		3376
2723	The following functions and methods are available within a safe environment:	3377	The following functions and methods are available within a safe environment:
2724		3378
2725	cf::object	3379	cf::object
2726	contr pay_amount pay_player map x y force_find force_add	3380	contr pay_amount pay_player map x y force_find force_add destroy
2727	insert remove name archname title slaying race	3381	insert remove name archname title slaying race decrease split
		3382	value
2728		3383
2729	cf::object::player	3384	cf::object::player
2730	player	3385	player
2731		3386
2732	cf::player	3387	cf::player
…		…
2737		3392
2738	=cut	3393	=cut
2739		3394
2740	for (	3395	for (
2741	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3396	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2742	insert remove inv name archname title slaying race)],	3397	insert remove inv nrof name archname title slaying race
		3398	decrease split destroy change_exp value msg lore send_msg)],
2743	["cf::object::player" => qw(player)],	3399	["cf::object::player" => qw(player)],
2744	["cf::player" => qw(peaceful)],	3400	["cf::player" => qw(peaceful send_msg)],
2745	["cf::map" => qw(trigger)],	3401	["cf::map" => qw(trigger)],
2746	) {	3402	) {
2747	no strict 'refs';
2748	my ($pkg, @funs) = @$_;	3403	my ($pkg, @funs) = @$_;
2749	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3404	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2750	for @funs;	3405	for @funs;
2751	}	3406	}
2752		3407
…		…
2767		3422
2768	my $qcode = $code;	3423	my $qcode = $code;
2769	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3424	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2770	$qcode =~ s/\n/\\n/g;	3425	$qcode =~ s/\n/\\n/g;
2771		3426
		3427	%vars = (_dummy => 0) unless %vars;
		3428
		3429	my @res;
2772	local $_;	3430	local $_;
2773	local @safe::cf::_safe_eval_args = values %vars;
2774		3431
2775	my $eval =	3432	my $eval =
2776	"do {\n"	3433	"do {\n"
2777	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3434	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2778	. "#line 0 \"{$qcode}\"\n"	3435	. "#line 0 \"{$qcode}\"\n"
2779	. $code	3436	. $code
2780	. "\n}"	3437	. "\n}"
2781	;	3438	;
2782		3439
		3440	if ($CFG{safe_eval}) {
2783	sub_generation_inc;	3441	sub_generation_inc;
		3442	local @safe::cf::_safe_eval_args = values %vars;
2784	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3443	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2785	sub_generation_inc;	3444	sub_generation_inc;
		3445	} else {
		3446	local @cf::_safe_eval_args = values %vars;
		3447	@res = wantarray ? eval eval : scalar eval $eval;
		3448	}
2786		3449
2787	if ($@) {	3450	if ($@) {
2788	warn "$@";	3451	warn "$@",
2789	warn "while executing safe code '$code'\n";	3452	"while executing safe code '$code'\n",
2790	warn "with arguments " . (join " ", %vars) . "\n";	3453	"with arguments " . (join " ", %vars) . "\n";
2791	}	3454	}
2792		3455
2793	wantarray ? @res : $res[0]	3456	wantarray ? @res : $res[0]
2794	}	3457	}
2795		3458
…		…
2809	=cut	3472	=cut
2810		3473
2811	sub register_script_function {	3474	sub register_script_function {
2812	my ($fun, $cb) = @_;	3475	my ($fun, $cb) = @_;
2813		3476
2814	no strict 'refs';	3477	$fun = "safe::$fun" if $CFG{safe_eval};
2815	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3478	*$fun = $safe_hole->wrap ($cb);
2816	}	3479	}
2817		3480
2818	=back	3481	=back
2819		3482
2820	=cut	3483	=cut
…		…
2823	# the server's init and main functions	3486	# the server's init and main functions
2824		3487
2825	sub load_facedata($) {	3488	sub load_facedata($) {
2826	my ($path) = @_;	3489	my ($path) = @_;
2827		3490
		3491	# HACK to clear player env face cache, we need some signal framework
		3492	# for this (global event?)
		3493	%ext::player_env::MUSIC_FACE_CACHE = ();
		3494
2828	my $enc = JSON::XS->new->utf8->canonical;	3495	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2829		3496
2830	warn "loading facedata from $path\n";	3497	trace "loading facedata from $path\n";
2831		3498
2832	my $facedata;	3499	my $facedata = decode_storable load_file $path;
2833	0 < aio_load $path, $facedata
2834	or die "$path: $!";
2835
2836	$facedata = Coro::Storable::thaw $facedata;
2837		3500
2838	$facedata->{version} == 2	3501	$facedata->{version} == 2
2839	or cf::cleanup "$path: version mismatch, cannot proceed.";	3502	or cf::cleanup "$path: version mismatch, cannot proceed.";
2840		3503
2841	# patch in the exptable	3504	# patch in the exptable
		3505	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2842	$facedata->{resource}{"res/exp_table"} = {	3506	$facedata->{resource}{"res/exp_table"} = {
2843	type => FT_RSRC,	3507	type => FT_RSRC,
2844	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3508	data => $exp_table,
		3509	hash => (Digest::MD5::md5 $exp_table),
2845	};	3510	};
2846	cf::cede_to_tick;	3511	cf::cede_to_tick;
2847		3512
2848	{	3513	{
2849	my $faces = $facedata->{faceinfo};	3514	my $faces = $facedata->{faceinfo};
2850		3515
2851	while (my ($face, $info) = each %$faces) {	3516	while (my ($face, $info) = each %$faces) {
2852	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3517	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3518
2853	cf::face::set_visibility $idx, $info->{visibility};	3519	cf::face::set_visibility $idx, $info->{visibility};
2854	cf::face::set_magicmap $idx, $info->{magicmap};	3520	cf::face::set_magicmap $idx, $info->{magicmap};
2855	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3521	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2856	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3522	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3523	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2857		3524
2858	cf::cede_to_tick;	3525	cf::cede_to_tick;
2859	}	3526	}
2860		3527
2861	while (my ($face, $info) = each %$faces) {	3528	while (my ($face, $info) = each %$faces) {
2862	next unless $info->{smooth};	3529	next unless $info->{smooth};
		3530
2863	my $idx = cf::face::find $face	3531	my $idx = cf::face::find $face
2864	or next;	3532	or next;
		3533
2865	if (my $smooth = cf::face::find $info->{smooth}) {	3534	if (my $smooth = cf::face::find $info->{smooth}) {
2866	cf::face::set_smooth $idx, $smooth;	3535	cf::face::set_smooth $idx, $smooth;
2867	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3536	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2868	} else {	3537	} else {
2869	warn "smooth face '$info->{smooth}' not found for face '$face'";	3538	error "smooth face '$info->{smooth}' not found for face '$face'";
2870	}	3539	}
2871		3540
2872	cf::cede_to_tick;	3541	cf::cede_to_tick;
2873	}	3542	}
2874	}	3543	}
…		…
2883		3552
2884	cf::anim::invalidate_all; # d'oh	3553	cf::anim::invalidate_all; # d'oh
2885	}	3554	}
2886		3555
2887	{	3556	{
2888	# TODO: for gcfclient pleasure, we should give resources
2889	# that gcfclient doesn't grok a >10000 face index.
2890	my $res = $facedata->{resource};	3557	my $res = $facedata->{resource};
2891		3558
2892	my $soundconf = delete $res->{"res/sound.conf"};
2893
2894	while (my ($name, $info) = each %$res) {	3559	while (my ($name, $info) = each %$res) {
		3560	if (defined $info->{type}) {
2895	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3561	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2896	my $data;
2897		3562
2898	if ($info->{type} & 1) {	3563	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2899	# prepend meta info	3564	cf::face::set_type $idx, $info->{type};
2900
2901	my $meta = $enc->encode ({
2902	name => $name,
2903	%{ $info->{meta} || {} },
2904	});
2905
2906	$data = pack "(w/a*)*", $meta, $info->{data};
2907	} else {	3565	} else {
2908	$data = $info->{data};	3566	$RESOURCE{$name} = $info; # unused
2909	}	3567	}
2910		3568
2911	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2912	cf::face::set_type $idx, $info->{type};
2913
2914	cf::cede_to_tick;	3569	cf::cede_to_tick;
2915	}	3570	}
2916
2917	if ($soundconf) {
2918	$soundconf = $enc->decode (delete $soundconf->{data});
2919
2920	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2921	my $sound = $soundconf->{compat}[$_]
2922	or next;
2923
2924	my $face = cf::face::find "sound/$sound->[1]";
2925	cf::sound::set $sound->[0] => $face;
2926	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2927	}
2928
2929	while (my ($k, $v) = each %{$soundconf->{event}}) {
2930	my $face = cf::face::find "sound/$v";
2931	cf::sound::set $k => $face;
2932	}
2933	}
2934	}	3571	}
		3572
		3573	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2935		3574
2936	1	3575	1
2937	}	3576	}
2938		3577
2939	register_exticmd fx_want => sub {	3578	register_exticmd fx_want => sub {
…		…
2942	while (my ($k, $v) = each %$want) {	3581	while (my ($k, $v) = each %$want) {
2943	$ns->fx_want ($k, $v);	3582	$ns->fx_want ($k, $v);
2944	}	3583	}
2945	};	3584	};
2946		3585
		3586	sub load_resource_file($) {
		3587	my $guard = lock_acquire "load_resource_file";
		3588
		3589	my $status = load_resource_file_ $_[0];
		3590	get_slot 0.1, 100;
		3591	cf::arch::commit_load;
		3592
		3593	$status
		3594	}
		3595
2947	sub reload_regions {	3596	sub reload_regions {
		3597	# HACK to clear player env face cache, we need some signal framework
		3598	# for this (global event?)
		3599	%ext::player_env::MUSIC_FACE_CACHE = ();
		3600
2948	load_resource_file "$MAPDIR/regions"	3601	load_resource_file "$MAPDIR/regions"
2949	or die "unable to load regions file\n";	3602	or die "unable to load regions file\n";
2950		3603
2951	for (cf::region::list) {	3604	for (cf::region::list) {
2952	$_->{match} = qr/$_->{match}/	3605	$_->{match} = qr/$_->{match}/
…		…
2960	}	3613	}
2961		3614
2962	sub reload_archetypes {	3615	sub reload_archetypes {
2963	load_resource_file "$DATADIR/archetypes"	3616	load_resource_file "$DATADIR/archetypes"
2964	or die "unable to load archetypes\n";	3617	or die "unable to load archetypes\n";
2965	#d# NEED to laod twice to resolve forward references
2966	# this really needs to be done in an extra post-pass
2967	# (which needs to be synchronous, so solve it differently)
2968	load_resource_file "$DATADIR/archetypes"
2969	or die "unable to load archetypes\n";
2970	}	3618	}
2971		3619
2972	sub reload_treasures {	3620	sub reload_treasures {
2973	load_resource_file "$DATADIR/treasures"	3621	load_resource_file "$DATADIR/treasures"
2974	or die "unable to load treasurelists\n";	3622	or die "unable to load treasurelists\n";
2975	}	3623	}
2976		3624
		3625	sub reload_sound {
		3626	trace "loading sound config from $DATADIR/sound\n";
		3627
		3628	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3629
		3630	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3631	my $sound = $soundconf->{compat}[$_]
		3632	or next;
		3633
		3634	my $face = cf::face::find "sound/$sound->[1]";
		3635	cf::sound::set $sound->[0] => $face;
		3636	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3637	}
		3638
		3639	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3640	my $face = cf::face::find "sound/$v";
		3641	cf::sound::set $k => $face;
		3642	}
		3643	}
		3644
2977	sub reload_resources {	3645	sub reload_resources {
2978	warn "reloading resource files...\n";	3646	trace "reloading resource files...\n";
2979		3647
		3648	reload_exp_table;
		3649	reload_materials;
		3650	reload_facedata;
		3651	reload_sound;
		3652	reload_archetypes;
2980	reload_regions;	3653	reload_regions;
2981	reload_facedata;
2982	#reload_archetypes;#d#
2983	reload_archetypes;
2984	reload_treasures;	3654	reload_treasures;
2985		3655
2986	warn "finished reloading resource files\n";	3656	trace "finished reloading resource files\n";
2987	}	3657	}
2988		3658
2989	sub init {	3659	sub reload_config {
2990	reload_resources;	3660	trace "reloading config file...\n";
2991	}
2992		3661
2993	sub cfg_load {	3662	my $config = load_file "$CONFDIR/config";
2994	open my $fh, "<:utf8", "$CONFDIR/config"	3663	utf8::decode $config;
2995	or return;	3664	*CFG = decode_yaml $config;
2996		3665
2997	local $/;
2998	*CFG = YAML::Syck::Load <$fh>;
2999
3000	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3666	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3001		3667
3002	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3668	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3003	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3669	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3004		3670
3005	if (exists $CFG{mlockall}) {	3671	if (exists $CFG{mlockall}) {
…		…
3009	};	3675	};
3010	warn $@ if $@;	3676	warn $@ if $@;
3011	}	3677	}
3012	}	3678	}
3013		3679
		3680	sub pidfile() {
		3681	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3682	or die "$PIDFILE: $!";
		3683	flock $fh, &Fcntl::LOCK_EX
		3684	or die "$PIDFILE: flock: $!";
		3685	$fh
		3686	}
		3687
		3688	# make sure only one server instance is running at any one time
		3689	sub atomic {
		3690	my $fh = pidfile;
		3691
		3692	my $pid = <$fh>;
		3693	kill 9, $pid if $pid > 0;
		3694
		3695	seek $fh, 0, 0;
		3696	print $fh $$;
		3697	}
		3698
		3699	sub main_loop {
		3700	trace "EV::loop starting\n";
		3701	if (1) {
		3702	EV::loop;
		3703	}
		3704	trace "EV::loop returned\n";
		3705	goto &main_loop unless $REALLY_UNLOOP;
		3706	}
		3707
3014	sub main {	3708	sub main {
		3709	cf::init_globals; # initialise logging
		3710
		3711	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3712	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3713	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3714	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3715
		3716	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3717
3015	# we must not ever block the main coroutine	3718	# we must not ever block the main coroutine
3016	local $Coro::idle = sub {	3719	local $Coro::idle = sub {
3017	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3720	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3018	(async {	3721	(async {
3019	Event::one_event;	3722	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3723	EV::loop EV::LOOP_ONESHOT;
3020	})->prio (Coro::PRIO_MAX);	3724	})->prio (Coro::PRIO_MAX);
3021	};	3725	};
3022		3726
3023	cfg_load;	3727	evthread_start IO::AIO::poll_fileno;
		3728
		3729	cf::sync_job {
		3730	cf::incloader::init ();
		3731
		3732	cf::init_anim;
		3733	cf::init_attackmess;
		3734	cf::init_dynamic;
		3735
		3736	cf::load_settings;
		3737
		3738	reload_resources;
		3739	reload_config;
3024	db_init;	3740	db_init;
		3741
		3742	cf::init_uuid;
		3743	cf::init_signals;
		3744	cf::init_skills;
		3745
		3746	cf::init_beforeplay;
		3747
		3748	atomic;
		3749
3025	load_extensions;	3750	load_extensions;
3026		3751
3027	$TICK_WATCHER->start;	3752	utime time, time, $RUNTIMEFILE;
3028	Event::loop;	3753
		3754	# no (long-running) fork's whatsoever before this point(!)
		3755	use POSIX ();
		3756	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3757
		3758	cf::_post_init 0;
		3759	};
		3760
		3761	cf::object::thawer::errors_are_fatal 0;
		3762	info "parse errors in files are no longer fatal from this point on.\n";
		3763
		3764	my $free_main; $free_main = EV::idle sub {
		3765	undef $free_main;
		3766	undef &main; # free gobs of memory :)
		3767	};
		3768
		3769	goto &main_loop;
3029	}	3770	}
3030		3771
3031	#############################################################################	3772	#############################################################################
3032	# initialisation and cleanup	3773	# initialisation and cleanup
3033		3774
3034	# install some emergency cleanup handlers	3775	# install some emergency cleanup handlers
3035	BEGIN {	3776	BEGIN {
		3777	our %SIGWATCHER = ();
3036	for my $signal (qw(INT HUP TERM)) {	3778	for my $signal (qw(INT HUP TERM)) {
3037	Event->signal (	3779	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3038	reentrant => 0,
3039	data => WF_AUTOCANCEL,
3040	signal => $signal,
3041	prio => 0,
3042	cb => sub {
3043	cf::cleanup "SIG$signal";	3780	cf::cleanup "SIG$signal";
3044	},
3045	);	3781	};
3046	}	3782	}
3047	}	3783	}
3048		3784
3049	sub write_runtime {	3785	sub write_runtime_sync {
3050	my $runtime = "$LOCALDIR/runtime";	3786	my $t0 = AE::time;
3051		3787
3052	# first touch the runtime file to show we are still running:	3788	# first touch the runtime file to show we are still running:
3053	# the fsync below can take a very very long time.	3789	# the fsync below can take a very very long time.
3054		3790
3055	IO::AIO::aio_utime $runtime, undef, undef;	3791	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3056		3792
3057	my $guard = cf::lock_acquire "write_runtime";	3793	my $guard = cf::lock_acquire "write_runtime";
3058		3794
3059	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3795	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3060	or return;	3796	or return;
3061		3797
3062	my $value = $cf::RUNTIME + 90 + 10;	3798	my $value = $cf::RUNTIME + 90 + 10;
3063	# 10 is the runtime save interval, for a monotonic clock	3799	# 10 is the runtime save interval, for a monotonic clock
3064	# 60 allows for the watchdog to kill the server.	3800	# 60 allows for the watchdog to kill the server.
…		…
3074	aio_utime $fh, undef, undef;	3810	aio_utime $fh, undef, undef;
3075		3811
3076	close $fh	3812	close $fh
3077	or return;	3813	or return;
3078		3814
3079	aio_rename "$runtime~", $runtime	3815	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3080	and return;	3816	and return;
3081		3817
3082	warn "runtime file written.\n";	3818	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3083		3819
3084	1	3820	1
		3821	}
		3822
		3823	our $uuid_lock;
		3824	our $uuid_skip;
		3825
		3826	sub write_uuid_sync($) {
		3827	$uuid_skip ||= $_[0];
		3828
		3829	return if $uuid_lock;
		3830	local $uuid_lock = 1;
		3831
		3832	my $uuid = "$LOCALDIR/uuid";
		3833
		3834	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3835	or return;
		3836
		3837	my $value = uuid_seq uuid_cur;
		3838
		3839	unless ($value) {
		3840	info "cowardly refusing to write zero uuid value!\n";
		3841	return;
		3842	}
		3843
		3844	my $value = uuid_str $value + $uuid_skip;
		3845	$uuid_skip = 0;
		3846
		3847	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3848	and return;
		3849
		3850	# always fsync - this file is important
		3851	aio_fsync $fh
		3852	and return;
		3853
		3854	close $fh
		3855	or return;
		3856
		3857	aio_rename "$uuid~", $uuid
		3858	and return;
		3859
		3860	trace "uuid file written ($value).\n";
		3861
		3862	1
		3863
		3864	}
		3865
		3866	sub write_uuid($$) {
		3867	my ($skip, $sync) = @_;
		3868
		3869	$sync ? write_uuid_sync $skip
		3870	: async { write_uuid_sync $skip };
3085	}	3871	}
3086		3872
3087	sub emergency_save() {	3873	sub emergency_save() {
3088	my $freeze_guard = cf::freeze_mainloop;	3874	my $freeze_guard = cf::freeze_mainloop;
3089		3875
3090	warn "enter emergency perl save\n";	3876	info "emergency_perl_save: enter\n";
		3877
		3878	# this is a trade-off: we want to be very quick here, so
		3879	# save all maps without fsync, and later call a global sync
		3880	# (which in turn might be very very slow)
		3881	local $USE_FSYNC = 0;
3091		3882
3092	cf::sync_job {	3883	cf::sync_job {
		3884	cf::write_runtime_sync; # external watchdog should not bark
		3885
3093	# use a peculiar iteration method to avoid tripping on perl	3886	# use a peculiar iteration method to avoid tripping on perl
3094	# refcount bugs in for. also avoids problems with players	3887	# refcount bugs in for. also avoids problems with players
3095	# and maps saved/destroyed asynchronously.	3888	# and maps saved/destroyed asynchronously.
3096	warn "begin emergency player save\n";	3889	info "emergency_perl_save: begin player save\n";
3097	for my $login (keys %cf::PLAYER) {	3890	for my $login (keys %cf::PLAYER) {
3098	my $pl = $cf::PLAYER{$login} or next;	3891	my $pl = $cf::PLAYER{$login} or next;
3099	$pl->valid or next;	3892	$pl->valid or next;
		3893	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3100	$pl->save;	3894	$pl->save;
3101	}	3895	}
3102	warn "end emergency player save\n";	3896	info "emergency_perl_save: end player save\n";
3103		3897
3104	warn "begin emergency map save\n";	3898	cf::write_runtime_sync; # external watchdog should not bark
		3899
		3900	info "emergency_perl_save: begin map save\n";
3105	for my $path (keys %cf::MAP) {	3901	for my $path (keys %cf::MAP) {
3106	my $map = $cf::MAP{$path} or next;	3902	my $map = $cf::MAP{$path} or next;
3107	$map->valid or next;	3903	$map->valid or next;
3108	$map->save;	3904	$map->save;
3109	}	3905	}
3110	warn "end emergency map save\n";	3906	info "emergency_perl_save: end map save\n";
3111		3907
3112	warn "begin emergency database checkpoint\n";	3908	cf::write_runtime_sync; # external watchdog should not bark
		3909
		3910	info "emergency_perl_save: begin database checkpoint\n";
3113	BDB::db_env_txn_checkpoint $DB_ENV;	3911	BDB::db_env_txn_checkpoint $DB_ENV;
3114	warn "end emergency database checkpoint\n";	3912	info "emergency_perl_save: end database checkpoint\n";
		3913
		3914	info "emergency_perl_save: begin write uuid\n";
		3915	write_uuid_sync 1;
		3916	info "emergency_perl_save: end write uuid\n";
		3917
		3918	cf::write_runtime_sync; # external watchdog should not bark
		3919
		3920	trace "emergency_perl_save: syncing database to disk";
		3921	BDB::db_env_txn_checkpoint $DB_ENV;
		3922
		3923	info "emergency_perl_save: starting sync\n";
		3924	IO::AIO::aio_sync sub {
		3925	info "emergency_perl_save: finished sync\n";
		3926	};
		3927
		3928	cf::write_runtime_sync; # external watchdog should not bark
		3929
		3930	trace "emergency_perl_save: flushing outstanding aio requests";
		3931	while (IO::AIO::nreqs || BDB::nreqs) {
		3932	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3933	}
		3934
		3935	cf::write_runtime_sync; # external watchdog should not bark
3115	};	3936	};
3116		3937
3117	warn "leave emergency perl save\n";	3938	info "emergency_perl_save: leave\n";
3118	}	3939	}
3119		3940
3120	sub post_cleanup {	3941	sub post_cleanup {
3121	my ($make_core) = @_;	3942	my ($make_core) = @_;
3122		3943
		3944	IO::AIO::flush;
		3945
3123	warn Carp::longmess "post_cleanup backtrace"	3946	error Carp::longmess "post_cleanup backtrace"
3124	if $make_core;	3947	if $make_core;
		3948
		3949	my $fh = pidfile;
		3950	unlink $PIDFILE if <$fh> == $$;
		3951	}
		3952
		3953	# a safer delete_package, copied from Symbol
		3954	sub clear_package($) {
		3955	my $pkg = shift;
		3956
		3957	# expand to full symbol table name if needed
		3958	unless ($pkg =~ /^main::.*::$/) {
		3959	$pkg = "main$pkg" if $pkg =~ /^::/;
		3960	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3961	$pkg .= '::' unless $pkg =~ /::$/;
		3962	}
		3963
		3964	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3965	my $stem_symtab = *{$stem}{HASH};
		3966
		3967	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3968	or return;
		3969
		3970	# clear all symbols
		3971	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3972	for my $name (keys %$leaf_symtab) {
		3973	_gv_clear *{"$pkg$name"};
		3974	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3975	}
3125	}	3976	}
3126		3977
3127	sub do_reload_perl() {	3978	sub do_reload_perl() {
3128	# can/must only be called in main	3979	# can/must only be called in main
3129	if ($Coro::current != $Coro::main) {	3980	unless (in_main) {
3130	warn "can only reload from main coroutine";	3981	error "can only reload from main coroutine";
3131	return;	3982	return;
3132	}	3983	}
3133		3984
3134	warn "reloading...";	3985	return if $RELOAD++;
3135		3986
3136	warn "entering sync_job";	3987	my $t1 = AE::time;
3137		3988
		3989	while ($RELOAD) {
		3990	cf::get_slot 0.1, -1, "reload_perl";
		3991	info "perl_reload: reloading...";
		3992
		3993	trace "perl_reload: entering sync_job";
		3994
3138	cf::sync_job {	3995	cf::sync_job {
3139	cf::write_runtime; # external watchdog should not bark
3140	cf::emergency_save;	3996	#cf::emergency_save;
3141	cf::write_runtime; # external watchdog should not bark
3142		3997
3143	warn "syncing database to disk";
3144	BDB::db_env_txn_checkpoint $DB_ENV;
3145
3146	# if anything goes wrong in here, we should simply crash as we already saved
3147
3148	warn "cancelling all WF_AUTOCANCEL watchers";
3149	for (Event::all_watchers) {
3150	$_->cancel if $_->data & WF_AUTOCANCEL;
3151	}
3152
3153	warn "flushing outstanding aio requests";
3154	for (;;) {
3155	BDB::flush;
3156	IO::AIO::flush;
3157	Coro::cede;
3158	last unless IO::AIO::nreqs || BDB::nreqs;
3159	warn "iterate...";
3160	}
3161
3162	++$RELOAD;
3163
3164	warn "cancelling all extension coros";	3998	trace "perl_reload: cancelling all extension coros";
3165	$_->cancel for values %EXT_CORO;	3999	$_->cancel for values %EXT_CORO;
3166	%EXT_CORO = ();	4000	%EXT_CORO = ();
3167		4001
3168	warn "removing commands";	4002	trace "perl_reload: removing commands";
3169	%COMMAND = ();	4003	%COMMAND = ();
3170		4004
3171	warn "removing ext/exti commands";	4005	trace "perl_reload: removing ext/exti commands";
3172	%EXTCMD = ();	4006	%EXTCMD = ();
3173	%EXTICMD = ();	4007	%EXTICMD = ();
3174		4008
3175	warn "unloading/nuking all extensions";	4009	trace "perl_reload: unloading/nuking all extensions";
3176	for my $pkg (@EXTS) {	4010	for my $pkg (@EXTS) {
3177	warn "... unloading $pkg";	4011	trace "... unloading $pkg";
3178		4012
3179	if (my $cb = $pkg->can ("unload")) {	4013	if (my $cb = $pkg->can ("unload")) {
3180	eval {	4014	eval {
3181	$cb->($pkg);	4015	$cb->($pkg);
3182	1	4016	1
3183	} or warn "$pkg unloaded, but with errors: $@";	4017	} or error "$pkg unloaded, but with errors: $@";
		4018	}
		4019
		4020	trace "... clearing $pkg";
		4021	clear_package $pkg;
3184	}	4022	}
3185		4023
3186	warn "... nuking $pkg";
3187	Symbol::delete_package $pkg;
3188	}
3189
3190	warn "unloading all perl modules loaded from $LIBDIR";	4024	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3191	while (my ($k, $v) = each %INC) {	4025	while (my ($k, $v) = each %INC) {
3192	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4026	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3193		4027
3194	warn "... unloading $k";	4028	trace "... unloading $k";
3195	delete $INC{$k};	4029	delete $INC{$k};
3196		4030
3197	$k =~ s/\.pm$//;	4031	$k =~ s/\.pm$//;
3198	$k =~ s/\//::/g;	4032	$k =~ s/\//::/g;
3199		4033
3200	if (my $cb = $k->can ("unload_module")) {	4034	if (my $cb = $k->can ("unload_module")) {
3201	$cb->();	4035	$cb->();
		4036	}
		4037
		4038	clear_package $k;
3202	}	4039	}
3203		4040
3204	Symbol::delete_package $k;
3205	}
3206
3207	warn "getting rid of safe::, as good as possible";	4041	trace "perl_reload: getting rid of safe::, as good as possible";
3208	Symbol::delete_package "safe::$_"	4042	clear_package "safe::$_"
3209	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4043	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3210		4044
3211	warn "unloading cf.pm \"a bit\"";	4045	trace "perl_reload: unloading cf.pm \"a bit\"";
3212	delete $INC{"cf.pm"};	4046	delete $INC{"cf.pm"};
3213	delete $INC{"cf/pod.pm"};	4047	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3214		4048
3215	# don't, removes xs symbols, too,	4049	# don't, removes xs symbols, too,
3216	# and global variables created in xs	4050	# and global variables created in xs
3217	#Symbol::delete_package __PACKAGE__;	4051	#clear_package __PACKAGE__;
3218		4052
3219	warn "unload completed, starting to reload now";	4053	info "perl_reload: unload completed, starting to reload now";
3220		4054
3221	warn "reloading cf.pm";	4055	trace "perl_reload: reloading cf.pm";
3222	require cf;	4056	require cf;
3223	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4057	cf::_connect_to_perl_1;
3224		4058
3225	warn "loading config and database again";	4059	trace "perl_reload: loading config and database again";
3226	cf::cfg_load;	4060	cf::reload_config;
3227		4061
3228	warn "loading extensions";	4062	trace "perl_reload: loading extensions";
3229	cf::load_extensions;	4063	cf::load_extensions;
3230		4064
		4065	if ($REATTACH_ON_RELOAD) {
3231	warn "reattaching attachments to objects/players";	4066	trace "perl_reload: reattaching attachments to objects/players";
3232	_global_reattach; # objects, sockets	4067	_global_reattach; # objects, sockets
3233	warn "reattaching attachments to maps";	4068	trace "perl_reload: reattaching attachments to maps";
3234	reattach $_ for values %MAP;	4069	reattach $_ for values %MAP;
3235	warn "reattaching attachments to players";	4070	trace "perl_reload: reattaching attachments to players";
3236	reattach $_ for values %PLAYER;	4071	reattach $_ for values %PLAYER;
		4072	}
3237		4073
3238	warn "leaving sync_job";	4074	cf::_post_init 1;
3239		4075
		4076	trace "perl_reload: leaving sync_job";
		4077
3240	1	4078	1
3241	} or do {	4079	} or do {
3242	warn $@;	4080	error $@;
3243	warn "error while reloading, exiting.";	4081	cf::cleanup "perl_reload: error, exiting.";
3244	exit 1;	4082	};
		4083
		4084	--$RELOAD;
3245	};	4085	}
3246		4086
3247	warn "reloaded";	4087	$t1 = AE::time - $t1;
		4088	info "perl_reload: completed in ${t1}s\n";
3248	};	4089	};
3249		4090
3250	our $RELOAD_WATCHER; # used only during reload	4091	our $RELOAD_WATCHER; # used only during reload
3251		4092
3252	sub reload_perl() {	4093	sub reload_perl() {
3253	# doing reload synchronously and two reloads happen back-to-back,	4094	# doing reload synchronously and two reloads happen back-to-back,
3254	# coro crashes during coro_state_free->destroy here.	4095	# coro crashes during coro_state_free->destroy here.
3255		4096
3256	$RELOAD_WATCHER ||= Event->timer (	4097	$RELOAD_WATCHER ||= cf::async {
3257	reentrant => 0,	4098	Coro::AIO::aio_wait cache_extensions;
3258	after => 0,	4099
3259	data => WF_AUTOCANCEL,	4100	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3260	cb => sub {
3261	do_reload_perl;	4101	do_reload_perl;
3262	undef $RELOAD_WATCHER;	4102	undef $RELOAD_WATCHER;
3263	},	4103	};
3264	);	4104	};
3265	}	4105	}
3266		4106
3267	register_command "reload" => sub {	4107	register_command "reload" => sub {
3268	my ($who, $arg) = @_;	4108	my ($who, $arg) = @_;
3269		4109
3270	if ($who->flag (FLAG_WIZ)) {	4110	if ($who->flag (FLAG_WIZ)) {
3271	$who->message ("reloading server.");	4111	$who->message ("reloading server.");
		4112	async {
		4113	$Coro::current->{desc} = "perl_reload";
3272	async { reload_perl };	4114	reload_perl;
		4115	};
3273	}	4116	}
3274	};	4117	};
3275		4118
3276	unshift @INC, $LIBDIR;	4119	#############################################################################
3277		4120
3278	my $bug_warning = 0;	4121	my $bug_warning = 0;
3279		4122
3280	our @WAIT_FOR_TICK;
3281	our @WAIT_FOR_TICK_BEGIN;
3282
3283	sub wait_for_tick {	4123	sub wait_for_tick() {
3284	return unless $TICK_WATCHER->is_active;	4124	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3285	return if $Coro::current == $Coro::main;
3286		4125
3287	my $signal = new Coro::Signal;	4126	$WAIT_FOR_TICK->wait;
3288	push @WAIT_FOR_TICK, $signal;
3289	$signal->wait;
3290	}	4127	}
3291		4128
3292	sub wait_for_tick_begin {	4129	sub wait_for_tick_begin() {
3293	return unless $TICK_WATCHER->is_active;	4130	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3294	return if $Coro::current == $Coro::main;
3295		4131
3296	my $signal = new Coro::Signal;	4132	my $signal = new Coro::Signal;
3297	push @WAIT_FOR_TICK_BEGIN, $signal;	4133	push @WAIT_FOR_TICK_BEGIN, $signal;
3298	$signal->wait;	4134	$signal->wait;
3299	}	4135	}
3300		4136
3301	my $min = 1e6;#d#	4137	sub tick {
3302	my $avg = 10;
3303	$TICK_WATCHER = Event->timer (
3304	reentrant => 0,
3305	parked => 1,
3306	prio => 0,
3307	at => $NEXT_TICK || $TICK,
3308	data => WF_AUTOCANCEL,
3309	cb => sub {
3310	if ($Coro::current != $Coro::main) {	4138	if ($Coro::current != $Coro::main) {
3311	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4139	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3312	unless ++$bug_warning > 10;	4140	unless ++$bug_warning > 10;
3313	return;	4141	return;
3314	}	4142	}
3315		4143
3316	$NOW = $tick_start = Event::time;	4144	cf::one_tick; # one server iteration
3317		4145
3318	cf::server_tick; # one server iteration	4146	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3319		4147
3320	0 && sync_job {#d#	4148	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3321	for(1..10) {	4149	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3322	my $t = Event::time;	4150	Coro::async_pool {
3323	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4151	$Coro::current->{desc} = "runtime saver";
3324	or die;	4152	write_runtime_sync
3325		4153	or error "ERROR: unable to write runtime file: $!";
3326	$map->width (50);
3327	$map->height (50);
3328	$map->alloc;
3329	$map->_load_objects ("/tmp/x.map", 1);
3330	my $t = Event::time - $t;
3331
3332	#next unless $t < 0.0013;#d#
3333	if ($t < $min) {
3334	$min = $t;
3335	}
3336	$avg = $avg * 0.99 + $t * 0.01;
3337	}
3338	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3339	exit 0;
3340	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3341	};	4154	};
		4155	}
3342		4156
3343	$RUNTIME += $TICK;
3344	$NEXT_TICK += $TICK;
3345
3346	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3347	$NEXT_RUNTIME_WRITE = $NOW + 10;
3348	Coro::async_pool {
3349	write_runtime
3350	or warn "ERROR: unable to write runtime file: $!";
3351	};
3352	}
3353
3354	# my $AFTER = Event::time;
3355	# warn $AFTER - $NOW;#d#
3356
3357	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4157	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3358	$sig->send;	4158	$sig->send;
3359	}	4159	}
3360	while (my $sig = shift @WAIT_FOR_TICK) {	4160	$WAIT_FOR_TICK->broadcast;
3361	$sig->send;
3362	}
3363		4161
3364	$NOW = Event::time;	4162	$LOAD = ($NOW - $TICK_START) / $TICK;
3365
3366	# if we are delayed by four ticks or more, skip them all
3367	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3368
3369	$TICK_WATCHER->at ($NEXT_TICK);
3370	$TICK_WATCHER->start;
3371
3372	$LOAD = ($NOW - $tick_start) / $TICK;
3373	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4163	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3374		4164
3375	_post_tick;	4165	if (0) {
3376		4166	if ($NEXT_TICK) {
3377		4167	my $jitter = $TICK_START - $NEXT_TICK;
		4168	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4169	debug "jitter $JITTER\n";#d#
		4170	}
3378	},	4171	}
3379	);	4172	}
3380		4173
3381	{	4174	{
3382	BDB::max_poll_time $TICK * 0.1;	4175	# configure BDB
3383	$BDB_POLL_WATCHER = Event->io (	4176
3384	reentrant => 0,
3385	fd => BDB::poll_fileno,
3386	poll => 'r',
3387	prio => 0,
3388	data => WF_AUTOCANCEL,
3389	cb => \&BDB::poll_cb,
3390	);
3391	BDB::min_parallel 8;	4177	BDB::min_parallel 16;
3392		4178	BDB::max_poll_reqs $TICK * 0.1;
3393	BDB::set_sync_prepare {	4179	$AnyEvent::BDB::WATCHER->priority (1);
3394	my $status;
3395	my $current = $Coro::current;
3396	(
3397	sub {
3398	$status = $!;
3399	$current->ready; undef $current;
3400	},
3401	sub {
3402	Coro::schedule while defined $current;
3403	$! = $status;
3404	},
3405	)
3406	};
3407		4180
3408	unless ($DB_ENV) {	4181	unless ($DB_ENV) {
3409	$DB_ENV = BDB::db_env_create;	4182	$DB_ENV = BDB::db_env_create;
		4183	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4184	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4185	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4186	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4187	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3410		4188
3411	cf::sync_job {	4189	cf::sync_job {
3412	eval {	4190	eval {
3413	BDB::db_env_open	4191	BDB::db_env_open
3414	$DB_ENV,	4192	$DB_ENV,
…		…
3416	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4194	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3417	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4195	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3418	0666;	4196	0666;
3419		4197
3420	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4198	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3421
3422	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3423	$DB_ENV->set_lk_detect;
3424	};	4199	};
3425		4200
3426	cf::cleanup "db_env_open(db): $@" if $@;	4201	cf::cleanup "db_env_open(db): $@" if $@;
3427	};	4202	};
3428	}	4203	}
		4204
		4205	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4206	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4207	};
		4208	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4209	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4210	};
		4211	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4212	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4213	};
3429	}	4214	}
3430		4215
3431	{	4216	{
		4217	# configure IO::AIO
		4218
3432	IO::AIO::min_parallel 8;	4219	IO::AIO::min_parallel 8;
3433
3434	undef $Coro::AIO::WATCHER;
3435	IO::AIO::max_poll_time $TICK * 0.1;	4220	IO::AIO::max_poll_time $TICK * 0.1;
3436	$AIO_POLL_WATCHER = Event->io (	4221	undef $AnyEvent::AIO::WATCHER;
3437	reentrant => 0,
3438	data => WF_AUTOCANCEL,
3439	fd => IO::AIO::poll_fileno,
3440	poll => 'r',
3441	prio => 6,
3442	cb => \&IO::AIO::poll_cb,
3443	);
3444	}	4222	}
3445		4223
3446	my $_log_backtrace;	4224	our $_log_backtrace;
		4225	our $_log_backtrace_last;
3447		4226
3448	sub _log_backtrace {	4227	sub _log_backtrace {
3449	my ($msg, @addr) = @_;	4228	my ($msg, @addr) = @_;
3450		4229
3451	$msg =~ s/\n//;	4230	$msg =~ s/\n$//;
3452		4231
		4232	if ($_log_backtrace_last eq $msg) {
		4233	LOG llevInfo, "[ABT] $msg\n";
		4234	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3453	# limit the # of concurrent backtraces	4235	# limit the # of concurrent backtraces
3454	if ($_log_backtrace < 2) {	4236	} elsif ($_log_backtrace < 2) {
		4237	$_log_backtrace_last = $msg;
3455	++$_log_backtrace;	4238	++$_log_backtrace;
		4239	my $perl_bt = Carp::longmess $msg;
3456	async {	4240	async {
		4241	$Coro::current->{desc} = "abt $msg";
		4242
3457	my @bt = fork_call {	4243	my @bt = fork_call {
3458	@addr = map { sprintf "%x", $_ } @addr;	4244	@addr = map { sprintf "%x", $_ } @addr;
3459	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4245	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3460	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4246	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3461	or die "addr2line: $!";	4247	or die "addr2line: $!";
…		…
3469	}	4255	}
3470		4256
3471	@funcs	4257	@funcs
3472	};	4258	};
3473		4259
3474	LOG llevInfo, "[ABT] $msg\n";	4260	LOG llevInfo, "[ABT] $perl_bt\n";
		4261	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3475	LOG llevInfo, "[ABT] $_\n" for @bt;	4262	LOG llevInfo, "[ABT] $_\n" for @bt;
3476	--$_log_backtrace;	4263	--$_log_backtrace;
3477	};	4264	};
3478	} else {	4265	} else {
3479	LOG llevInfo, "[ABT] $msg\n";	4266	LOG llevInfo, "[ABT] $msg\n";
3480	LOG llevInfo, "[ABT] [suppressed]\n";	4267	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3481	}	4268	}
3482	}	4269	}
3483		4270
3484	# load additional modules	4271	# load additional modules
3485	use cf::pod;	4272	require "cf/$_.pm" for @EXTRA_MODULES;
		4273	cf::_connect_to_perl_2;
3486		4274
3487	END { cf::emergency_save }	4275	END { cf::emergency_save }
3488		4276
3489	1	4277	1
3490		4278

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