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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.347 by root, Thu Aug 30 05:16:09 2007 UTC vs.
Revision 1.581 by root, Fri Feb 3 02:04:11 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.64 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.32 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		75
43	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
44		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		78
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
54		85
55	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
65	our $DATADIR = datadir;	99	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
69	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	#our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
75		120
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	123	our $NEXT_TICK;
		124	our $USE_FSYNC = 1; # use fsync to write maps - default on
		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
		128	our $BDB_TRICKLE_WATCHER;
		129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
		133	our %CFG;
		134
		135	our $UPTIME; $UPTIME ||= time;
		136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
81	our $NOW;	138	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		139
84	our $BDB_POLL_WATCHER;	140	our (%PLAYER, %PLAYER_LOADING); # all users
85	our $DB_ENV;	141	our (%MAP, %MAP_LOADING ); # all maps
86
87	our %CFG;
88
89	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;
91
92	our %PLAYER; # all users
93	our %MAP; # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
95		143
96	# used to convert map paths into valid unix filenames by replacing / by ∕	144	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		146
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	147	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	150	our $TICK_START; # for load detecting purposes
		151
		152	our @POST_INIT;
		153
		154	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		155	our $REALLY_UNLOOP; # never set to true, please :)
		156
		157	our $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
102		159
103	binmode STDOUT;	160	binmode STDOUT;
104	binmode STDERR;	161	binmode STDERR;
105		162
106	# read virtual server time, if available	163	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
111	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
112		171
113	mkdir $_	172	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		174
116	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
117		176
118	sub cf::map::normalise;	177	sub cf::map::normalise;
119		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
120	#############################################################################	183	#############################################################################
121		184
		185	%REFLECT = ();
		186	for (@REFLECT) {
		187	my $reflect = JSON::XS::decode_json $_;
		188	$REFLECT{$reflect->{class}} = $reflect;
		189	}
		190
		191	# this is decidedly evil
		192	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		193
		194	#############################################################################
		195
122	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
123		197
124	=over 4	198	=over 4
125		199
126	=item $cf::UPTIME	200	=item $cf::UPTIME
127		201
128	The timestamp of the server start (so not actually an uptime).	202	The timestamp of the server start (so not actually an "uptime").
		203
		204	=item $cf::SERVER_TICK
		205
		206	An unsigned integer that starts at zero when the server is started and is
		207	incremented on every tick.
		208
		209	=item $cf::NOW
		210
		211	The (real) time of the last (current) server tick - updated before and
		212	after tick processing, so this is useful only as a rough "what time is it
		213	now" estimate.
		214
		215	=item $cf::TICK
		216
		217	The interval between each server tick, in seconds.
129		218
130	=item $cf::RUNTIME	219	=item $cf::RUNTIME
131		220
132	The time this server has run, starts at 0 and is increased by $cf::TICK on	221	The time this server has run, starts at 0 and is increased by $cf::TICK on
133	every server tick.	222	every server tick.
…		…
139	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
141	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
142	database environment.	231	database environment.
143		232
144	=item $cf::NOW
145
146	The time of the last (current) server tick.
147
148	=item $cf::TICK
149
150	The interval between server ticks, in seconds.
151
152	=item $cf::LOADAVG	233	=item $cf::LOADAVG
153		234
154	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
155	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
156	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
159		240
160	The raw value load value from the last tick.	241	The raw value load value from the last tick.
161		242
162	=item %cf::CFG	243	=item %cf::CFG
163		244
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	246	from wherever your confdir points to.
166		247
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		249
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
170	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
172		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$cf::WAIT_FOR_TICK>).
		258
		259	=item $cf::WAIT_FOR_TICK
		260
		261	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		262	variable contains a L<Coro::Signal> that is broadcats after every server
		263	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		264	next server tick.
		265
		266	=cut
		267
		268	sub wait_for_tick();
		269	sub wait_for_tick_begin();
		270
173	=item @cf::INVOKE_RESULTS	271	=item @cf::INVOKE_RESULTS
174		272
175	This array contains the results of the last C<invoke ()> call. When	273	This array contains the results of the last C<invoke ()> call. When
176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	274	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	275	that call.
178		276
		277	=item %cf::REFLECT
		278
		279	Contains, for each (C++) class name, a hash reference with information
		280	about object members (methods, scalars, arrays and flags) and other
		281	metadata, which is useful for introspection.
		282
179	=back	283	=back
180		284
181	=cut	285	=cut
182		286
183	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
184	*CORE::GLOBAL::warn = sub {	288	sub warn (@) { LOG llevWarn , join "", @_ }
		289	sub info (@) { LOG llevInfo , join "", @_ }
		290	sub debug(@) { LOG llevDebug, join "", @_ }
		291	sub trace(@) { LOG llevTrace, join "", @_ }
		292
		293	$Coro::State::WARNHOOK = sub {
185	my $msg = join "", @_;	294	my $msg = join "", @_;
186		295
187	$msg .= "\n"	296	$msg .= "\n"
188	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
189		298
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		300
192	utf8::encode $msg;
193	LOG llevError, $msg;	301	LOG llevWarn, $msg;
194	};	302	};
195	}	303
		304	$Coro::State::DIEHOOK = sub {
		305	return unless $^S eq 0; # "eq", not "=="
		306
		307	error Carp::longmess $_[0];
		308
		309	if (in_main) {#d#
		310	error "DIEHOOK called in main context, Coro bug?\n";#d#
		311	return;#d#
		312	}#d#
		313
		314	# kill coroutine otherwise
		315	Coro::terminate
		316	};
196		317
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	328	for my $pkg (qw(
208	cf::global cf::attachable	329	cf::global cf::attachable
209	cf::object cf::object::player	330	cf::object cf::object::player
210	cf::client cf::player	331	cf::client cf::player
211	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
212	cf::map cf::party cf::region	334	cf::party cf::region
213	)) {	335	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	337	}
217		338
218	$Event::DIED = sub {	339	$EV::DIED = sub {
219	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
220	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
221		347
222	#############################################################################	348	#############################################################################
223		349
224	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
225		351
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	372	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	373	$d
248	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
249	}	375	}
250		376
		377	=item $scalar = cf::load_file $path
		378
		379	Loads the given file from path and returns its contents. Croaks on error
		380	and can block.
		381
		382	=cut
		383
		384	sub load_file($) {
		385	0 <= aio_load $_[0], my $data
		386	or Carp::croak "$_[0]: $!";
		387
		388	$data
		389	}
		390
		391	=item $success = cf::replace_file $path, $data, $sync
		392
		393	Atomically replaces the file at the given $path with new $data, and
		394	optionally $sync the data to disk before replacing the file.
		395
		396	=cut
		397
		398	sub replace_file($$;$) {
		399	my ($path, $data, $sync) = @_;
		400
		401	my $lock = cf::lock_acquire ("replace_file:$path");
		402
		403	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		404	or return;
		405
		406	$data = $data->() if ref $data;
		407
		408	length $data == aio_write $fh, 0, (length $data), $data, 0
		409	or return;
		410
		411	!$sync
		412	or !aio_fsync $fh
		413	or return;
		414
		415	aio_close $fh
		416	and return;
		417
		418	aio_rename "$path~", $path
		419	and return;
		420
		421	if ($sync) {
		422	$path =~ s%/[^/]*$%%;
		423	aio_pathsync $path;
		424	}
		425
		426	1
		427	}
		428
251	=item $ref = cf::from_json $json	429	=item $ref = cf::decode_json $json
252		430
253	Converts a JSON string into the corresponding perl data structure.	431	Converts a JSON string into the corresponding perl data structure.
254		432
255	=item $json = cf::to_json $ref	433	=item $json = cf::encode_json $ref
256		434
257	Converts a perl data structure into its JSON representation.	435	Converts a perl data structure into its JSON representation.
258		436
259	=cut	437	=cut
260		438
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	439	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		440
263	sub to_json ($) { $json_coder->encode ($_[0]) }	441	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	442	sub decode_json($) { $json_coder->decode ($_[0]) }
		443
		444	=item $ref = cf::decode_storable $scalar
		445
		446	Same as Coro::Storable::thaw, so blocks.
		447
		448	=cut
		449
		450	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		451
		452	=item $ref = cf::decode_yaml $scalar
		453
		454	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		455
		456	=cut
		457
		458	sub decode_yaml($) {
		459	fork_call { YAML::XS::Load $_[0] } @_
		460	}
		461
		462	=item $scalar = cf::unlzf $scalar
		463
		464	Same as Compress::LZF::compress, but takes server ticks into account, so
		465	blocks.
		466
		467	=cut
		468
		469	sub unlzf($) {
		470	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		471	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		472	Compress::LZF::decompress $_[0]
		473	}
		474
		475	=item cf::post_init { BLOCK }
		476
		477	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		478	but I<before> the server starts ticking again.
		479
		480	The codeblock will have a single boolean argument to indicate whether this
		481	is a reload or not.
		482
		483	=cut
		484
		485	sub post_init(&) {
		486	push @POST_INIT, shift;
		487	}
		488
		489	sub _post_init {
		490	trace "running post_init jobs";
		491
		492	# run them in parallel...
		493
		494	my @join;
		495
		496	while () {
		497	push @join, map &Coro::async ($_, 0), @POST_INIT;
		498	@POST_INIT = ();
		499
		500	@join or last;
		501
		502	(pop @join)->join;
		503	}
		504	}
265		505
266	=item cf::lock_wait $string	506	=item cf::lock_wait $string
267		507
268	Wait until the given lock is available. See cf::lock_acquire.	508	Wait until the given lock is available. See cf::lock_acquire.
269		509
270	=item my $lock = cf::lock_acquire $string	510	=item my $lock = cf::lock_acquire $string
271		511
272	Wait until the given lock is available and then acquires it and returns	512	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,	513	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	514	for example when the coroutine gets canceled), the lock is automatically
275	returned.	515	returned.
276		516
277	Locks are *not* recursive, locking from the same coro twice results in a	517	Locks are *not* recursive, locking from the same coro twice results in a
278	deadlocked coro.	518	deadlocked coro.
…		…
284		524
285	Return true if the lock is currently active, i.e. somebody has locked it.	525	Return true if the lock is currently active, i.e. somebody has locked it.
286		526
287	=cut	527	=cut
288		528
289	our %LOCK;	529	our $LOCKS = new Coro::SemaphoreSet;
290		530
291	sub lock_wait($) {	531	sub lock_wait($) {
292	my ($key) = @_;	532	$LOCKS->wait ($_[0]);
293
294	# wait for lock, if any
295	while ($LOCK{$key}) {
296	push @{ $LOCK{$key} }, $Coro::current;
297	Coro::schedule;
298	}
299	}	533	}
300		534
301	sub lock_acquire($) {	535	sub lock_acquire($) {
302	my ($key) = @_;	536	$LOCKS->guard ($_[0])
303
304	# wait, to be sure we are not locked
305	lock_wait $key;
306
307	$LOCK{$key} = [];
308
309	Coro::guard {
310	# wake up all waiters, to be on the safe side
311	$_->ready for @{ delete $LOCK{$key} };
312	}
313	}	537	}
314		538
315	sub lock_active($) {	539	sub lock_active($) {
316	my ($key) = @_;	540	$LOCKS->count ($_[0]) < 1
317
318	! ! $LOCK{$key}
319	}	541	}
320		542
321	sub freeze_mainloop {	543	sub freeze_mainloop {
322	return unless $TICK_WATCHER->is_active;	544	tick_inhibit_inc;
323		545
324	my $guard = Coro::guard {	546	&Guard::guard (\&tick_inhibit_dec);
325	$TICK_WATCHER->start;	547	}
326	};	548
327	$TICK_WATCHER->stop;	549	=item cf::periodic $interval, $cb
328	$guard	550
		551	Like EV::periodic, but randomly selects a starting point so that the actions
		552	get spread over time.
		553
		554	=cut
		555
		556	sub periodic($$) {
		557	my ($interval, $cb) = @_;
		558
		559	my $start = rand List::Util::min 180, $interval;
		560
		561	EV::periodic $start, $interval, 0, $cb
329	}	562	}
330		563
331	=item cf::get_slot $time[, $priority[, $name]]	564	=item cf::get_slot $time[, $priority[, $name]]
332		565
333	Allocate $time seconds of blocking CPU time at priority C<$priority>:	566	Allocate $time seconds of blocking CPU time at priority C<$priority>
334	This call blocks and returns only when you have at least C<$time> seconds	567	(default: 0): This call blocks and returns only when you have at least
335	of cpu time till the next tick. The slot is only valid till the next cede.	568	C<$time> seconds of cpu time till the next tick. The slot is only valid
		569	till the next cede.
		570
		571	Background jobs should use a priority les than zero, interactive jobs
		572	should use 100 or more.
336		573
337	The optional C<$name> can be used to identify the job to run. It might be	574	The optional C<$name> can be used to identify the job to run. It might be
338	used for statistical purposes and should identify the same time-class.	575	used for statistical purposes and should identify the same time-class.
339		576
340	Useful for short background jobs.	577	Useful for short background jobs.
341		578
342	=cut	579	=cut
343		580
344	our @SLOT_QUEUE;	581	our @SLOT_QUEUE;
345	our $SLOT_QUEUE;	582	our $SLOT_QUEUE;
		583	our $SLOT_DECAY = 0.9;
346		584
347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	585	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
348	$SLOT_QUEUE = Coro::async {	586	$SLOT_QUEUE = Coro::async {
		587	$Coro::current->desc ("timeslot manager");
		588
349	my $signal = new Coro::Signal;	589	my $signal = new Coro::Signal;
		590	my $busy;
350		591
351	while () {	592	while () {
352	next_job:	593	next_job:
		594
353	my $avail = cf::till_tick;	595	my $avail = cf::till_tick;
354	if ($avail > 0.01) {	596
355	for (0 .. $#SLOT_QUEUE) {	597	for (0 .. $#SLOT_QUEUE) {
356	if ($SLOT_QUEUE[$_][0] < $avail) {	598	if ($SLOT_QUEUE[$_][0] <= $avail) {
		599	$busy = 0;
357	my $job = splice @SLOT_QUEUE, $_, 1, ();	600	my $job = splice @SLOT_QUEUE, $_, 1, ();
358	$job->[2]->send;	601	$job->[2]->send;
359	Coro::cede;	602	Coro::cede;
360	goto next_job;	603	goto next_job;
361	}	604	} else {
		605	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
362	}	606	}
363	}	607	}
364		608
365	if (@SLOT_QUEUE) {	609	if (@SLOT_QUEUE) {
366	# we do not use wait_For_tick() as it returns immediately when tick is inactive	610	# we do not use wait_for_tick() as it returns immediately when tick is inactive
367	push @cf::WAIT_FOR_TICK, $signal;	611	$WAIT_FOR_TICK->wait;
368	$signal->wait;
369	} else {	612	} else {
		613	$busy = 0;
370	Coro::schedule;	614	Coro::schedule;
371	}	615	}
372	}	616	}
373	};	617	};
374		618
375	sub get_slot($;$$) {	619	sub get_slot($;$$) {
		620	return if tick_inhibit || $Coro::current == $Coro::main;
		621
376	my ($time, $pri, $name) = @_;	622	my ($time, $pri, $name) = @_;
377		623
378	$time = $TICK * .6 if $time > $TICK * .6;	624	$time = clamp $time, 0.01, $TICK * .6;
		625
379	my $sig = new Coro::Signal;	626	my $sig = new Coro::Signal;
380		627
381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	628	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	629	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
383	$SLOT_QUEUE->ready;	630	$SLOT_QUEUE->ready;
…		…
394		641
395	BEGIN { *async = \&Coro::async_pool }	642	BEGIN { *async = \&Coro::async_pool }
396		643
397	=item cf::sync_job { BLOCK }	644	=item cf::sync_job { BLOCK }
398		645
399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	646	The design of Deliantra requires that the main coroutine ($Coro::main)
400	is always able to handle events or runnable, as Crossfire TRT is only	647	is always able to handle events or runnable, as Deliantra is only
401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	648	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
402	acceptable.	649	acceptable.
403		650
404	If it must be done, put the blocking parts into C<sync_job>. This will run	651	If it must be done, put the blocking parts into C<sync_job>. This will run
405	the given BLOCK in another coroutine while waiting for the result. The	652	the given BLOCK in another coroutine while waiting for the result. The
…		…
409	=cut	656	=cut
410		657
411	sub sync_job(&) {	658	sub sync_job(&) {
412	my ($job) = @_;	659	my ($job) = @_;
413		660
414	if ($Coro::current == $Coro::main) {	661	if (in_main) {
415	my $time = Event::time;	662	my $time = AE::time;
416		663
417	# this is the main coro, too bad, we have to block	664	# this is the main coro, too bad, we have to block
418	# till the operation succeeds, freezing the server :/	665	# till the operation succeeds, freezing the server :/
419		666
420	# TODO: use suspend/resume instead	667	#LOG llevError, Carp::longmess "sync job";#d#
421	# (but this is cancel-safe)	668
422	my $freeze_guard = freeze_mainloop;	669	my $freeze_guard = freeze_mainloop;
423		670
424	my $busy = 1;	671	my $busy = 1;
425	my @res;	672	my @res;
426		673
427	(async {	674	(async {
		675	$Coro::current->desc ("sync job coro");
428	@res = eval { $job->() };	676	@res = eval { $job->() };
429	warn $@ if $@;	677	error $@ if $@;
430	undef $busy;	678	undef $busy;
431	})->prio (Coro::PRIO_MAX);	679	})->prio (Coro::PRIO_MAX);
432		680
433	while ($busy) {	681	while ($busy) {
434	Coro::cede or Event::one_event;	682	if (Coro::nready) {
		683	Coro::cede_notself;
		684	} else {
		685	EV::loop EV::LOOP_ONESHOT;
435	}	686	}
		687	}
436		688
437	$time = Event::time - $time;	689	my $time = AE::time - $time;
438		690
439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
441
442	$tick_start += $time; # do not account sync jobs to server load	691	$TICK_START += $time; # do not account sync jobs to server load
443		692
444	wantarray ? @res : $res[0]	693	wantarray ? @res : $res[0]
445	} else {	694	} else {
446	# we are in another coroutine, how wonderful, everything just works	695	# we are in another coroutine, how wonderful, everything just works
447		696
…		…
467	$EXT_CORO{$coro+0} = $coro;	716	$EXT_CORO{$coro+0} = $coro;
468		717
469	$coro	718	$coro
470	}	719	}
471		720
472	=item fork_call { }, $args	721	=item fork_call { }, @args
473		722
474	Executes the given code block with the given arguments in a seperate	723	Executes the given code block with the given arguments in a seperate
475	process, returning the results. Everything must be serialisable with	724	process, returning the results. Everything must be serialisable with
476	Coro::Storable. May, of course, block. Note that the executed sub may	725	Coro::Storable. May, of course, block. Note that the executed sub may
477	never block itself or use any form of Event handling.	726	never block itself or use any form of event handling.
478		727
479	=cut	728	=cut
		729
		730	sub post_fork {
		731	reset_signals;
		732	}
480		733
481	sub fork_call(&@) {	734	sub fork_call(&@) {
482	my ($cb, @args) = @_;	735	my ($cb, @args) = @_;
483		736
484	# we seemingly have to make a local copy of the whole thing,	737	# we seemingly have to make a local copy of the whole thing,
485	# otherwise perl prematurely frees the stuff :/	738	# otherwise perl prematurely frees the stuff :/
486	# TODO: investigate and fix (liekly this will be rather laborious)	739	# TODO: investigate and fix (likely this will be rather laborious)
487		740
488	my @res = Coro::Util::fork_eval {	741	my @res = Coro::Util::fork_eval {
489	reset_signals;	742	cf::post_fork;
490	&$cb	743	&$cb
491	}, @args;	744	} @args;
492		745
493	wantarray ? @res : $res[-1]	746	wantarray ? @res : $res[-1]
		747	}
		748
		749	sub objinfo {
		750	(
		751	"counter value" => cf::object::object_count,
		752	"objects created" => cf::object::create_count,
		753	"objects destroyed" => cf::object::destroy_count,
		754	"freelist size" => cf::object::free_count,
		755	"allocated objects" => cf::object::objects_size,
		756	"active objects" => cf::object::actives_size,
		757	)
		758	}
		759
		760	=item $coin = coin_from_name $name
		761
		762	=cut
		763
		764	our %coin_alias = (
		765	"silver" => "silvercoin",
		766	"silvercoin" => "silvercoin",
		767	"silvercoins" => "silvercoin",
		768	"gold" => "goldcoin",
		769	"goldcoin" => "goldcoin",
		770	"goldcoins" => "goldcoin",
		771	"platinum" => "platinacoin",
		772	"platinumcoin" => "platinacoin",
		773	"platinumcoins" => "platinacoin",
		774	"platina" => "platinacoin",
		775	"platinacoin" => "platinacoin",
		776	"platinacoins" => "platinacoin",
		777	"royalty" => "royalty",
		778	"royalties" => "royalty",
		779	);
		780
		781	sub coin_from_name($) {
		782	$coin_alias{$_[0]}
		783	? cf::arch::find $coin_alias{$_[0]}
		784	: undef
494	}	785	}
495		786
496	=item $value = cf::db_get $family => $key	787	=item $value = cf::db_get $family => $key
497		788
498	Returns a single value from the environment database.	789	Returns a single value from the environment database.
…		…
500	=item cf::db_put $family => $key => $value	791	=item cf::db_put $family => $key => $value
501		792
502	Stores the given C<$value> in the family. It can currently store binary	793	Stores the given C<$value> in the family. It can currently store binary
503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	794	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
504		795
		796	=item $db = cf::db_table "name"
		797
		798	Create and/or open a new database table. The string must not be "db" and must be unique
		799	within each server.
		800
505	=cut	801	=cut
		802
		803	sub db_table($) {
		804	cf::error "db_get called from main context"
		805	if $Coro::current == $Coro::main;
		806
		807	my ($name) = @_;
		808	my $db = BDB::db_create $DB_ENV;
		809
		810	eval {
		811	$db->set_flags (BDB::CHKSUM);
		812
		813	utf8::encode $name;
		814	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		815	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		816	cf::cleanup "db_open(db): $!" if $!;
		817	};
		818	cf::cleanup "db_open(db): $@" if $@;
		819
		820	$db
		821	}
506		822
507	our $DB;	823	our $DB;
508		824
509	sub db_init {	825	sub db_init {
510	unless ($DB) {	826	$DB ||= db_table "db";
511	$DB = BDB::db_create $DB_ENV;
512
513	cf::sync_job {
514	eval {
515	$DB->set_flags (BDB::CHKSUM);
516
517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
519	cf::cleanup "db_open(db): $!" if $!;
520	};
521	cf::cleanup "db_open(db): $@" if $@;
522	};
523	}
524	}	827	}
525		828
526	sub db_get($$) {	829	sub db_get($$) {
527	my $key = "$_[0]/$_[1]";	830	my $key = "$_[0]/$_[1]";
528		831
529	cf::sync_job {	832	cf::error "db_get called from main context"
		833	if $Coro::current == $Coro::main;
		834
530	BDB::db_get $DB, undef, $key, my $data;	835	BDB::db_get $DB, undef, $key, my $data;
531		836
532	$! ? ()	837	$! ? ()
533	: $data	838	: $data
534	}
535	}	839	}
536		840
537	sub db_put($$$) {	841	sub db_put($$$) {
538	BDB::dbreq_pri 4;	842	BDB::dbreq_pri 4;
539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	843	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
567		871
568	my @data;	872	my @data;
569	my $md5;	873	my $md5;
570		874
571	for (0 .. $#$src) {	875	for (0 .. $#$src) {
572	0 <= aio_load $src->[$_], $data[$_]	876	$data[$_] = load_file $src->[$_];
573	or Carp::croak "$src->[$_]: $!";
574	}	877	}
575		878
576	# if processing is expensive, check	879	# if processing is expensive, check
577	# checksum first	880	# checksum first
578	if (1) {	881	if (1) {
…		…
595		898
596	my $t1 = Time::HiRes::time;	899	my $t1 = Time::HiRes::time;
597	my $data = $process->(\@data);	900	my $data = $process->(\@data);
598	my $t2 = Time::HiRes::time;	901	my $t2 = Time::HiRes::time;
599		902
600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	903	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
601		904
602	db_put cache => "$id/data", $data;	905	db_put cache => "$id/data", $data;
603	db_put cache => "$id/md5" , $md5;	906	db_put cache => "$id/md5" , $md5;
604	db_put cache => "$id/meta", $meta;	907	db_put cache => "$id/meta", $meta;
605		908
…		…
615		918
616	=cut	919	=cut
617		920
618	sub datalog($@) {	921	sub datalog($@) {
619	my ($type, %kv) = @_;	922	my ($type, %kv) = @_;
620	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	923	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
621	}	924	}
622		925
623	=back	926	=back
624		927
625	=cut	928	=cut
626		929
627	#############################################################################	930	#############################################################################
628		931
629	=head2 ATTACHABLE OBJECTS	932	=head2 ATTACHABLE OBJECTS
630		933
631	Many objects in crossfire are so-called attachable objects. That means you can	934	Many objects in deliantra are so-called attachable objects. That means you can
632	attach callbacks/event handlers (a collection of which is called an "attachment")	935	attach callbacks/event handlers (a collection of which is called an "attachment")
633	to it. All such attachable objects support the following methods.	936	to it. All such attachable objects support the following methods.
634		937
635	In the following description, CLASS can be any of C<global>, C<object>	938	In the following description, CLASS can be any of C<global>, C<object>
636	C<player>, C<client> or C<map> (i.e. the attachable objects in	939	C<player>, C<client> or C<map> (i.e. the attachable objects in
637	Crossfire TRT).	940	Deliantra).
638		941
639	=over 4	942	=over 4
640		943
641	=item $attachable->attach ($attachment, key => $value...)	944	=item $attachable->attach ($attachment, key => $value...)
642		945
…		…
686	=item cf::CLASS::attachment $name, ...	989	=item cf::CLASS::attachment $name, ...
687		990
688	Register an attachment by C<$name> through which attachable objects of the	991	Register an attachment by C<$name> through which attachable objects of the
689	given CLASS can refer to this attachment.	992	given CLASS can refer to this attachment.
690		993
691	Some classes such as crossfire maps and objects can specify attachments	994	Some classes such as deliantra maps and objects can specify attachments
692	that are attached at load/instantiate time, thus the need for a name.	995	that are attached at load/instantiate time, thus the need for a name.
693		996
694	These calls expect any number of the following handler/hook descriptions:	997	These calls expect any number of the following handler/hook descriptions:
695		998
696	=over 4	999	=over 4
…		…
820		1123
821	} elsif (exists $cb_id{$type}) {	1124	} elsif (exists $cb_id{$type}) {
822	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1125	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
823		1126
824	} elsif (ref $type) {	1127	} elsif (ref $type) {
825	warn "attaching objects not supported, ignoring.\n";	1128	error "attaching objects not supported, ignoring.\n";
826		1129
827	} else {	1130	} else {
828	shift @arg;	1131	shift @arg;
829	warn "attach argument '$type' not supported, ignoring.\n";	1132	error "attach argument '$type' not supported, ignoring.\n";
830	}	1133	}
831	}	1134	}
832	}	1135	}
833		1136
834	sub _object_attach {	1137	sub _object_attach {
…		…
844	_attach $registry, $klass, @attach;	1147	_attach $registry, $klass, @attach;
845	}	1148	}
846		1149
847	$obj->{$name} = \%arg;	1150	$obj->{$name} = \%arg;
848	} else {	1151	} else {
849	warn "object uses attachment '$name' which is not available, postponing.\n";	1152	info "object uses attachment '$name' which is not available, postponing.\n";
850	}	1153	}
851		1154
852	$obj->{_attachment}{$name} = undef;	1155	$obj->{_attachment}{$name} = undef;
853	}	1156	}
854		1157
…		…
913		1216
914	for (@$callbacks) {	1217	for (@$callbacks) {
915	eval { &{$_->[1]} };	1218	eval { &{$_->[1]} };
916		1219
917	if ($@) {	1220	if ($@) {
918	warn "$@";
919	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1221	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
920	override;	1222	override;
921	}	1223	}
922		1224
923	return 1 if $override;	1225	return 1 if $override;
924	}	1226	}
925		1227
926	0	1228	0
927	}	1229	}
928		1230
929	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1231	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
930		1232
931	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1233	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
932		1234
933	Generate an object-specific event with the given arguments.	1235	Generate an object-specific event with the given arguments.
934		1236
…		…
940		1242
941	=cut	1243	=cut
942		1244
943	#############################################################################	1245	#############################################################################
944	# object support	1246	# object support
945	#
946		1247
		1248	sub _object_equal($$);
		1249	sub _object_equal($$) {
		1250	my ($a, $b) = @_;
		1251
		1252	return 0 unless (ref $a) eq (ref $b);
		1253
		1254	if ("HASH" eq ref $a) {
		1255	my @ka = keys %$a;
		1256	my @kb = keys %$b;
		1257
		1258	return 0 if @ka != @kb;
		1259
		1260	for (0 .. $#ka) {
		1261	return 0 unless $ka[$_] eq $kb[$_];
		1262	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1263	}
		1264
		1265	} elsif ("ARRAY" eq ref $a) {
		1266
		1267	return 0 if @$a != @$b;
		1268
		1269	for (0 .. $#$a) {
		1270	return 0 unless _object_equal $a->[$_], $b->[$_];
		1271	}
		1272
		1273	} elsif ($a ne $b) {
		1274	return 0;
		1275	}
		1276
		1277	1
		1278	}
		1279
		1280	our $SLOW_MERGES;#d#
947	sub _can_merge {	1281	sub _can_merge {
948	my ($ob1, $ob2) = @_;	1282	my ($ob1, $ob2) = @_;
949		1283
950	local $Storable::canonical = 1;	1284	++$SLOW_MERGES;#d#
951	my $fob1 = Storable::freeze $ob1;
952	my $fob2 = Storable::freeze $ob2;
953		1285
954	$fob1 eq $fob2	1286	# we do the slow way here
		1287	return _object_equal $ob1, $ob2
955	}	1288	}
956		1289
957	sub reattach {	1290	sub reattach {
958	# basically do the same as instantiate, without calling instantiate	1291	# basically do the same as instantiate, without calling instantiate
959	my ($obj) = @_;	1292	my ($obj) = @_;
960		1293
		1294	# no longer needed after getting rid of delete_package?
961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1295	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
962		1296
963	my $registry = $obj->registry;	1297	my $registry = $obj->registry;
964		1298
965	@$registry = ();	1299	@$registry = ();
966		1300
…		…
971	for (@$attach) {	1305	for (@$attach) {
972	my ($klass, @attach) = @$_;	1306	my ($klass, @attach) = @$_;
973	_attach $registry, $klass, @attach;	1307	_attach $registry, $klass, @attach;
974	}	1308	}
975	} else {	1309	} else {
976	warn "object uses attachment '$name' that is not available, postponing.\n";	1310	info "object uses attachment '$name' that is not available, postponing.\n";
977	}	1311	}
978	}	1312	}
979	}	1313	}
980		1314
981	cf::attachable->attach (	1315	cf::attachable->attach (
982	prio => -1000000,	1316	prio => -1000000,
983	on_instantiate => sub {	1317	on_instantiate => sub {
984	my ($obj, $data) = @_;	1318	my ($obj, $data) = @_;
985		1319
986	$data = from_json $data;	1320	$data = decode_json $data;
987		1321
988	for (@$data) {	1322	for (@$data) {
989	my ($name, $args) = @$_;	1323	my ($name, $args) = @$_;
990		1324
991	$obj->attach ($name, %{$args || {} });	1325	$obj->attach ($name, %{$args || {} });
…		…
1007	sub object_freezer_save {	1341	sub object_freezer_save {
1008	my ($filename, $rdata, $objs) = @_;	1342	my ($filename, $rdata, $objs) = @_;
1009		1343
1010	sync_job {	1344	sync_job {
1011	if (length $$rdata) {	1345	if (length $$rdata) {
		1346	utf8::decode (my $decname = $filename);
1012	warn sprintf "saving %s (%d,%d)\n",	1347	trace sprintf "saving %s (%d,%d)\n",
1013	$filename, length $$rdata, scalar @$objs;	1348	$decname, length $$rdata, scalar @$objs
		1349	if $VERBOSE_IO;
1014		1350
1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1351	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1016	chmod SAVE_MODE, $fh;	1352	aio_chmod $fh, SAVE_MODE;
1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1353	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1018	aio_fsync $fh if $cf::USE_FSYNC;	1354	if ($cf::USE_FSYNC) {
		1355	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;
		1356	aio_fsync $fh;
		1357	}
1019	close $fh;	1358	aio_close $fh;
1020		1359
1021	if (@$objs) {	1360	if (@$objs) {
1022	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1361	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1023	chmod SAVE_MODE, $fh;	1362	aio_chmod $fh, SAVE_MODE;
1024	my $data = Storable::nfreeze { version => 1, objs => $objs };	1363	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1025	aio_write $fh, 0, (length $data), $data, 0;	1364	aio_write $fh, 0, (length $data), $data, 0;
1026	aio_fsync $fh if $cf::USE_FSYNC;	1365	if ($cf::USE_FSYNC) {
		1366	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;
		1367	aio_fsync $fh;
		1368	}
1027	close $fh;	1369	aio_close $fh;
1028	aio_rename "$filename.pst~", "$filename.pst";	1370	aio_rename "$filename.pst~", "$filename.pst";
1029	}	1371	}
1030	} else {	1372	} else {
1031	aio_unlink "$filename.pst";	1373	aio_unlink "$filename.pst";
1032	}	1374	}
1033		1375
1034	aio_rename "$filename~", $filename;	1376	aio_rename "$filename~", $filename;
		1377
		1378	$filename =~ s%/[^/]+$%%;
		1379	aio_pathsync $filename if $cf::USE_FSYNC;
1035	} else {	1380	} else {
1036	warn "FATAL: $filename~: $!\n";	1381	error "unable to save objects: $filename~: $!\n";
1037	}	1382	}
1038	} else {	1383	} else {
1039	aio_unlink $filename;	1384	aio_unlink $filename;
1040	aio_unlink "$filename.pst";	1385	aio_unlink "$filename.pst";
1041	}	1386	}
1042	}	1387	};
1043	}	1388	}
1044		1389
1045	sub object_freezer_as_string {	1390	sub object_freezer_as_string {
1046	my ($rdata, $objs) = @_;	1391	my ($rdata, $objs) = @_;
1047		1392
…		…
1059	or return;	1404	or return;
1060		1405
1061	unless (aio_stat "$filename.pst") {	1406	unless (aio_stat "$filename.pst") {
1062	(aio_load "$filename.pst", $av) >= 0	1407	(aio_load "$filename.pst", $av) >= 0
1063	or return;	1408	or return;
		1409
1064	$av = eval { (Storable::thaw $av)->{objs} };	1410	my $st = eval { Coro::Storable::thaw $av };
		1411	$av = $st->{objs};
1065	}	1412	}
1066		1413
		1414	utf8::decode (my $decname = $filename);
1067	warn sprintf "loading %s (%d)\n",	1415	trace sprintf "loading %s (%d,%d)\n",
1068	$filename, length $data, scalar @{$av || []};	1416	$decname, length $data, scalar @{$av || []}
		1417	if $VERBOSE_IO;
		1418
1069	return ($data, $av);	1419	($data, $av)
1070	}	1420	}
1071		1421
1072	=head2 COMMAND CALLBACKS	1422	=head2 COMMAND CALLBACKS
1073		1423
1074	=over 4	1424	=over 4
…		…
1128	my ($name, $cb) = @_;	1478	my ($name, $cb) = @_;
1129		1479
1130	$EXTICMD{$name} = $cb;	1480	$EXTICMD{$name} = $cb;
1131	}	1481	}
1132		1482
		1483	use File::Glob ();
		1484
1133	cf::player->attach (	1485	cf::player->attach (
1134	on_command => sub {	1486	on_unknown_command => sub {
1135	my ($pl, $name, $params) = @_;	1487	my ($pl, $name, $params) = @_;
1136		1488
1137	my $cb = $COMMAND{$name}	1489	my $cb = $COMMAND{$name}
1138	or return;	1490	or return;
1139		1491
…		…
1147	my ($pl, $buf) = @_;	1499	my ($pl, $buf) = @_;
1148		1500
1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1501	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1150		1502
1151	if (ref $msg) {	1503	if (ref $msg) {
1152	my ($type, $reply, @payload) =	1504	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1153	"ARRAY" eq ref $msg
1154	? @$msg
1155	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1156		1505
1157	my @reply;	1506	my @reply;
1158		1507
1159	if (my $cb = $EXTCMD{$type}) {	1508	if (my $cb = $EXTCMD{$type}) {
1160	@reply = $cb->($pl, @payload);	1509	@reply = $cb->($pl, @payload);
…		…
1162		1511
1163	$pl->ext_reply ($reply, @reply)	1512	$pl->ext_reply ($reply, @reply)
1164	if $reply;	1513	if $reply;
1165		1514
1166	} else {	1515	} else {
1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1516	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1168	}	1517	}
1169		1518
1170	cf::override;	1519	cf::override;
1171	},	1520	},
1172	);	1521	);
1173		1522
		1523	# "readahead" all extensions
		1524	sub cache_extensions {
		1525	my $grp = IO::AIO::aio_group;
		1526
		1527	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1528	for (grep /\.ext$/, @{$_[0]}) {
		1529	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1530	}
		1531	};
		1532
		1533	$grp
		1534	}
		1535
1174	sub load_extensions {	1536	sub load_extensions {
		1537	info "loading extensions...";
		1538
1175	cf::sync_job {	1539	cf::sync_job {
1176	my %todo;	1540	my %todo;
1177		1541
1178	for my $path (<$LIBDIR/*.ext>) {	1542	for my $path (<$LIBDIR/*.ext>) {
1179	next unless -r $path;	1543	next unless -r $path;
…		…
1197		1561
1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1562	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1563	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1200		1564
1201	$ext{source} =	1565	$ext{source} =
1202	"package $pkg; use strict; use utf8;\n"	1566	"package $pkg; use common::sense;\n"
1203	. "#line 1 \"$path\"\n{\n"	1567	. "#line 1 \"$path\"\n{\n"
1204	. $source	1568	. $source
1205	. "\n};\n1";	1569	. "\n};\n1";
1206		1570
1207	$todo{$base} = \%ext;	1571	$todo{$base} = \%ext;
1208	}	1572	}
1209		1573
		1574	my $pass = 0;
1210	my %done;	1575	my %done;
1211	while (%todo) {	1576	while (%todo) {
1212	my $progress;	1577	my $progress;
1213		1578
		1579	++$pass;
		1580
		1581	ext:
1214	while (my ($k, $v) = each %todo) {	1582	while (my ($k, $v) = each %todo) {
1215	for (split /,\s*/, $v->{meta}{depends}) {	1583	for (split /,\s*/, $v->{meta}{depends}) {
1216	goto skip	1584	next ext
1217	unless exists $done{$_};	1585	unless exists $done{$_};
1218	}	1586	}
1219		1587
1220	warn "... loading '$k' into '$v->{pkg}'\n";	1588	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1221		1589
1222	unless (eval $v->{source}) {	1590	my $active = eval $v->{source};
		1591
		1592	if (length $@) {
1223	my $msg = $@ ? "$v->{path}: $@\n"	1593	error "$v->{path}: $@\n";
1224	: "$v->{base}: extension inactive.\n";
1225		1594
		1595	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1226	if (exists $v->{meta}{mandatory}) {	1596	if exists $v->{meta}{mandatory};
1227	warn $msg;	1597
1228	warn "mandatory extension failed to load, exiting.\n";	1598	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1229	exit 1;	1599	delete $todo{$k};
1230	}	1600	} else {
1231		1601	$done{$k} = delete $todo{$k};
1232	warn $msg;	1602	push @EXTS, $v->{pkg};
		1603	$progress = 1;
		1604
		1605	info "$v->{base}: extension inactive.\n"
		1606	unless $active;
1233	}	1607	}
1234
1235	$done{$k} = delete $todo{$k};
1236	push @EXTS, $v->{pkg};
1237	$progress = 1;
1238	}	1608	}
1239		1609
1240	skip:	1610	unless ($progress) {
1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1611	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1242	unless $progress;	1612
		1613	while (my ($k, $v) = each %todo) {
		1614	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1615	if exists $v->{meta}{mandatory};
		1616	}
		1617
		1618	last;
		1619	}
1243	}	1620	}
1244	};	1621	};
1245	}	1622	}
1246		1623
1247	#############################################################################	1624	#############################################################################
1248		1625
1249	=back	1626	=back
1250		1627
1251	=head2 CORE EXTENSIONS	1628	=head2 CORE EXTENSIONS
1252		1629
1253	Functions and methods that extend core crossfire objects.	1630	Functions and methods that extend core deliantra objects.
1254		1631
1255	=cut	1632	=cut
1256		1633
1257	package cf::player;	1634	package cf::player;
1258		1635
1259	use Coro::AIO;	1636	use Coro::AIO;
1260		1637
1261	=head3 cf::player	1638	=head3 cf::player
1262		1639
1263	=over 4	1640	=over 4
		1641
		1642	=item cf::player::num_playing
		1643
		1644	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1645
		1646	=cut
		1647
		1648	sub num_playing {
		1649	scalar grep
		1650	$_->ob->map
		1651	&& !$_->hidden
		1652	&& !$_->ob->flag (cf::FLAG_WIZ),
		1653	cf::player::list
		1654	}
1264		1655
1265	=item cf::player::find $login	1656	=item cf::player::find $login
1266		1657
1267	Returns the given player object, loading it if necessary (might block).	1658	Returns the given player object, loading it if necessary (might block).
1268		1659
…		…
1287		1678
1288	sub exists($) {	1679	sub exists($) {
1289	my ($login) = @_;	1680	my ($login) = @_;
1290		1681
1291	$cf::PLAYER{$login}	1682	$cf::PLAYER{$login}
1292	or cf::sync_job { !aio_stat path $login }	1683	or !aio_stat path $login
1293	}	1684	}
1294		1685
1295	sub find($) {	1686	sub find($) {
1296	return $cf::PLAYER{$_[0]} || do {	1687	return $cf::PLAYER{$_[0]} || do {
1297	my $login = $_[0];	1688	my $login = $_[0];
…		…
1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1695	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1696	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1697	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1307	aio_unlink +(playerdir $login) . "/$login.pl";	1698	aio_unlink +(playerdir $login) . "/$login.pl";
1308		1699
1309	my $pl = load_pl path $login	1700	my $f = new_from_file cf::object::thawer path $login
1310	or return;	1701	or return;
		1702
		1703	my $pl = cf::player::load_pl $f
		1704	or return;
		1705
		1706	local $cf::PLAYER_LOADING{$login} = $pl;
		1707	$f->resolve_delayed_derefs;
1311	$cf::PLAYER{$login} = $pl	1708	$cf::PLAYER{$login} = $pl
1312	}	1709	}
1313	}	1710	}
1314	}	1711	}
		1712
		1713	cf::player->attach (
		1714	on_load => sub {
		1715	my ($pl, $path) = @_;
		1716
		1717	# restore slots saved in save, below
		1718	my $slots = delete $pl->{_slots};
		1719
		1720	$pl->ob->current_weapon ($slots->[0]);
		1721	$pl->combat_ob ($slots->[1]);
		1722	$pl->ranged_ob ($slots->[2]);
		1723	},
		1724	);
1315		1725
1316	sub save($) {	1726	sub save($) {
1317	my ($pl) = @_;	1727	my ($pl) = @_;
1318		1728
1319	return if $pl->{deny_save};	1729	return if $pl->{deny_save};
…		…
1323		1733
1324	return if $pl->{deny_save};	1734	return if $pl->{deny_save};
1325		1735
1326	aio_mkdir playerdir $pl, 0770;	1736	aio_mkdir playerdir $pl, 0770;
1327	$pl->{last_save} = $cf::RUNTIME;	1737	$pl->{last_save} = $cf::RUNTIME;
		1738
		1739	cf::get_slot 0.01;
		1740
		1741	# save slots, to be restored later
		1742	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1328		1743
1329	$pl->save_pl ($path);	1744	$pl->save_pl ($path);
1330	cf::cede_to_tick;	1745	cf::cede_to_tick;
1331	}	1746	}
1332		1747
…		…
1364	my ($pl) = @_;	1779	my ($pl) = @_;
1365		1780
1366	my $name = $pl->ob->name;	1781	my $name = $pl->ob->name;
1367		1782
1368	$pl->{deny_save} = 1;	1783	$pl->{deny_save} = 1;
1369	$pl->password ("*"); # this should lock out the player until we nuked the dir	1784	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1370		1785
1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1786	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1372	$pl->deactivate;	1787	$pl->deactivate;
		1788
		1789	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1373	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1790	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1791	ext::highscore::check ($pl->ob);
		1792
1374	$pl->ns->destroy if $pl->ns;	1793	$pl->ns->destroy if $pl->ns;
1375		1794
1376	my $path = playerdir $pl;	1795	my $path = playerdir $pl;
1377	my $temp = "$path~$cf::RUNTIME~deleting~";	1796	my $temp = "$path~$cf::RUNTIME~deleting~";
1378	aio_rename $path, $temp;	1797	aio_rename $path, $temp;
…		…
1413	or return [];	1832	or return [];
1414		1833
1415	my @logins;	1834	my @logins;
1416		1835
1417	for my $login (@$dirs) {	1836	for my $login (@$dirs) {
		1837	my $path = path $login;
		1838
		1839	# a .pst is a dead give-away for a valid player
		1840	# if no pst file found, open and chekc for blocked users
		1841	if (aio_stat "$path.pst") {
1418	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1842	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1419	aio_read $fh, 0, 512, my $buf, 0 or next;	1843	aio_read $fh, 0, 512, my $buf, 0 or next;
1420	$buf !~ /^password -------------$/m or next; # official not-valid tag	1844	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1845	}
1421		1846
1422	utf8::decode $login;	1847	utf8::decode $login;
1423	push @logins, $login;	1848	push @logins, $login;
1424	}	1849	}
1425		1850
1426	\@logins	1851	\@logins
1427	}	1852	}
1428		1853
1429	=item $player->maps	1854	=item $player->maps
		1855
		1856	=item cf::player::maps $login
1430		1857
1431	Returns an arrayref of map paths that are private for this	1858	Returns an arrayref of map paths that are private for this
1432	player. May block.	1859	player. May block.
1433		1860
1434	=cut	1861	=cut
…		…
1452	}	1879	}
1453		1880
1454	\@paths	1881	\@paths
1455	}	1882	}
1456		1883
1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1884	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1458		1885
1459	Expand crossfire pod fragments into protocol xml.	1886	Expand deliantra pod fragments into protocol xml.
1460
1461	=cut
1462
1463	sub expand_cfpod {
1464	((my $self), (local $_)) = @_;
1465
1466	# escape & and <
1467	s/&/&amp;/g;
1468	s/(?<![BIUGH])</&lt;/g;
1469
1470	# this is buggy, it needs to properly take care of nested <'s
1471
1472	1 while
1473	# replace B<>, I<>, U<> etc.
1474	s/B<([^\>]*)>/<b>$1<\/b>/
1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
1477	# replace G<male|female> tags
1478	|| s{G<([^>|]*)\|([^>]*)>}{
1479	$self->gender ? $2 : $1
1480	}ge
1481	# replace H<hint text>
1482	|| s{H<([^\>]*)>}
1483	{
1484	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1485	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1486	"")
1487	[$self->{hintmode}]
1488	}ge;
1489
1490	# create single paragraphs (very hackish)
1491	s/(?<=\S)\n(?=\w)/ /g;
1492
1493	# compress some whitespace
1494	s/\s+\n/\n/g; # ws line-ends
1495	s/\n\n+/\n/g; # double lines
1496	s/^\n+//; # beginning lines
1497	s/\n+$//; # ending lines
1498
1499	$_
1500	}
1501
1502	sub hintmode {
1503	$_[0]{hintmode} = $_[1] if @_ > 1;
1504	$_[0]{hintmode}
1505	}
1506		1887
1507	=item $player->ext_reply ($msgid, @msg)	1888	=item $player->ext_reply ($msgid, @msg)
1508		1889
1509	Sends an ext reply to the player.	1890	Sends an ext reply to the player.
1510		1891
…		…
1542		1923
1543	=cut	1924	=cut
1544		1925
1545	sub find_by_path($) {	1926	sub find_by_path($) {
1546	my ($path) = @_;	1927	my ($path) = @_;
		1928
		1929	$path =~ s/^~[^\/]*//; # skip ~login
1547		1930
1548	my ($match, $specificity);	1931	my ($match, $specificity);
1549		1932
1550	for my $region (list) {	1933	for my $region (list) {
1551	if ($region->{match} && $path =~ $region->{match}) {	1934	if ($region->{match} && $path =~ $region->{match}) {
…		…
1577	our $MAX_RESET = 3600;	1960	our $MAX_RESET = 3600;
1578	our $DEFAULT_RESET = 3000;	1961	our $DEFAULT_RESET = 3000;
1579		1962
1580	sub generate_random_map {	1963	sub generate_random_map {
1581	my ($self, $rmp) = @_;	1964	my ($self, $rmp) = @_;
1582	# mit "rum" bekleckern, nicht	1965
		1966	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1967
1583	$self->_create_random_map (	1968	$self->_create_random_map ($rmp);
1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1587	$rmp->{exit_on_final_map},
1588	$rmp->{xsize}, $rmp->{ysize},
1589	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1590	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1591	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1592	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1593	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1594	(cf::region::find $rmp->{region}), $rmp->{custom}
1595	)
1596	}	1969	}
1597		1970
1598	=item cf::map->register ($regex, $prio)	1971	=item cf::map->register ($regex, $prio)
1599		1972
1600	Register a handler for the map path matching the given regex at the	1973	Register a handler for the map path matching the given regex at the
…		…
1605		1978
1606	sub register {	1979	sub register {
1607	my (undef, $regex, $prio) = @_;	1980	my (undef, $regex, $prio) = @_;
1608	my $pkg = caller;	1981	my $pkg = caller;
1609		1982
1610	no strict;
1611	push @{"$pkg\::ISA"}, __PACKAGE__;	1983	push @{"$pkg\::ISA"}, __PACKAGE__;
1612		1984
1613	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1985	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1614	}	1986	}
1615		1987
1616	# also paths starting with '/'	1988	# also paths starting with '/'
1617	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1989	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1618		1990
1619	sub thawer_merge {	1991	sub thawer_merge {
1620	my ($self, $merge) = @_;	1992	my ($self, $merge) = @_;
1621		1993
1622	# we have to keep some variables in memory intact	1994	# we have to keep some variables in memory intact
…		…
1627	}	1999	}
1628		2000
1629	sub normalise {	2001	sub normalise {
1630	my ($path, $base) = @_;	2002	my ($path, $base) = @_;
1631		2003
1632	$path = "$path"; # make sure its a string	2004	$path = "$path"; # make sure it's a string
1633		2005
1634	$path =~ s/\.map$//;	2006	$path =~ s/\.map$//;
1635		2007
1636	# map plan:	2008	# map plan:
1637	#	2009	#
…		…
1652	$base =~ s{[^/]+/?$}{};	2024	$base =~ s{[^/]+/?$}{};
1653	$path = "$base/$path";	2025	$path = "$base/$path";
1654	}	2026	}
1655		2027
1656	for ($path) {	2028	for ($path) {
1657	redo if s{//}{/};
1658	redo if s{/\.?/}{/};	2029	redo if s{/\.?/}{/};
1659	redo if s{/[^/]+/\.\./}{/};	2030	redo if s{/[^/]+/\.\./}{/};
1660	}	2031	}
1661		2032
1662	$path	2033	$path
…		…
1676	$self->init; # pass $1 etc.	2047	$self->init; # pass $1 etc.
1677	return $self;	2048	return $self;
1678	}	2049	}
1679	}	2050	}
1680		2051
1681	Carp::cluck "unable to resolve path '$path' (base '$base').";	2052	Carp::cluck "unable to resolve path '$path' (base '$base')";
1682	()	2053	()
1683	}	2054	}
1684		2055
		2056	# may re-bless or do other evil things
1685	sub init {	2057	sub init {
1686	my ($self) = @_;	2058	my ($self) = @_;
1687		2059
1688	$self	2060	$self
1689	}	2061	}
…		…
1708		2080
1709	# the temporary/swap location	2081	# the temporary/swap location
1710	sub save_path {	2082	sub save_path {
1711	my ($self) = @_;	2083	my ($self) = @_;
1712		2084
1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2085	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1714	"$TMPDIR/$path.map"	2086	"$TMPDIR/$path.map"
1715	}	2087	}
1716		2088
1717	# the unique path, undef == no special unique path	2089	# the unique path, undef == no special unique path
1718	sub uniq_path {	2090	sub uniq_path {
1719	my ($self) = @_;	2091	my ($self) = @_;
1720		2092
1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2093	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1722	"$UNIQUEDIR/$path"	2094	"$UNIQUEDIR/$path"
1723	}
1724
1725	# and all this just because we cannot iterate over
1726	# all maps in C++...
1727	sub change_all_map_light {
1728	my ($change) = @_;
1729
1730	$_->change_map_light ($change)
1731	for grep $_->outdoor, values %cf::MAP;
1732	}	2095	}
1733		2096
1734	sub decay_objects {	2097	sub decay_objects {
1735	my ($self) = @_;	2098	my ($self) = @_;
1736		2099
…		…
1749		2112
1750	sub load_header_from($) {	2113	sub load_header_from($) {
1751	my ($self, $path) = @_;	2114	my ($self, $path) = @_;
1752		2115
1753	utf8::encode $path;	2116	utf8::encode $path;
1754	#aio_open $path, O_RDONLY, 0	2117	my $f = new_from_file cf::object::thawer $path
1755	# or return;
1756
1757	$self->_load_header ($path)
1758	or return;	2118	or return;
1759		2119
		2120	$self->_load_header ($f)
		2121	or return;
		2122
		2123	local $MAP_LOADING{$self->{path}} = $self;
		2124	$f->resolve_delayed_derefs;
		2125
1760	$self->{load_path} = $path;	2126	$self->{load_path} = $path;
1761		2127
1762	1	2128	1
1763	}	2129	}
1764		2130
		2131	# used to laod the header of an original map
1765	sub load_header_orig {	2132	sub load_header_orig {
1766	my ($self) = @_;	2133	my ($self) = @_;
1767		2134
1768	$self->load_header_from ($self->load_path)	2135	$self->load_header_from ($self->load_path)
1769	}	2136	}
1770		2137
		2138	# used to laod the header of an instantiated map
1771	sub load_header_temp {	2139	sub load_header_temp {
1772	my ($self) = @_;	2140	my ($self) = @_;
1773		2141
1774	$self->load_header_from ($self->save_path)	2142	$self->load_header_from ($self->save_path)
1775	}	2143	}
1776		2144
		2145	# called after loading the header from an instantiated map
1777	sub prepare_temp {	2146	sub prepare_temp {
1778	my ($self) = @_;	2147	my ($self) = @_;
1779		2148
1780	$self->last_access ((delete $self->{last_access})	2149	$self->last_access ((delete $self->{last_access})
1781	|| $cf::RUNTIME); #d#	2150	|| $cf::RUNTIME); #d#
1782	# safety	2151	# safety
1783	$self->{instantiate_time} = $cf::RUNTIME	2152	$self->{instantiate_time} = $cf::RUNTIME
1784	if $self->{instantiate_time} > $cf::RUNTIME;	2153	if $self->{instantiate_time} > $cf::RUNTIME;
1785	}	2154	}
1786		2155
		2156	# called after loading the header from an original map
1787	sub prepare_orig {	2157	sub prepare_orig {
1788	my ($self) = @_;	2158	my ($self) = @_;
1789		2159
1790	$self->{load_original} = 1;	2160	$self->{load_original} = 1;
1791	$self->{instantiate_time} = $cf::RUNTIME;	2161	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1815		2185
1816	sub find;	2186	sub find;
1817	sub find {	2187	sub find {
1818	my ($path, $origin) = @_;	2188	my ($path, $origin) = @_;
1819		2189
		2190	cf::cede_to_tick;
		2191
1820	$path = normalise $path, $origin && $origin->path;	2192	$path = normalise $path, $origin;
1821		2193
		2194	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1822	cf::lock_wait "map_find:$path";	2195	my $guard2 = cf::lock_acquire "map_find:$path";
1823		2196
1824	$cf::MAP{$path} || do {	2197	$cf::MAP{$path} || do {
1825	my $guard = cf::lock_acquire "map_find:$path";
1826	my $map = new_from_path cf::map $path	2198	my $map = new_from_path cf::map $path
1827	or return;	2199	or return;
1828		2200
1829	$map->{last_save} = $cf::RUNTIME;	2201	$map->{last_save} = $cf::RUNTIME;
1830		2202
…		…
1832	or return;	2204	or return;
1833		2205
1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2206	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1835	# doing this can freeze the server in a sync job, obviously	2207	# doing this can freeze the server in a sync job, obviously
1836	#$cf::WAIT_FOR_TICK->wait;	2208	#$cf::WAIT_FOR_TICK->wait;
		2209	undef $guard2;
		2210	undef $guard1;
1837	$map->reset;	2211	$map->reset;
1838	undef $guard;
1839	return find $path;	2212	return find $path;
1840	}	2213	}
1841		2214
1842	$cf::MAP{$path} = $map	2215	$cf::MAP{$path} = $map
1843	}	2216	}
1844	}	2217	}
1845		2218
1846	sub pre_load { }	2219	sub pre_load { }
1847	sub post_load { }	2220	#sub post_load { } # XS
1848		2221
1849	sub load {	2222	sub load {
1850	my ($self) = @_;	2223	my ($self) = @_;
1851		2224
1852	local $self->{deny_reset} = 1; # loading can take a long time	2225	local $self->{deny_reset} = 1; # loading can take a long time
1853		2226
1854	my $path = $self->{path};	2227	my $path = $self->{path};
1855		2228
1856	{	2229	{
1857	my $guard1 = cf::lock_acquire "map_data:$path";	2230	my $guard = cf::lock_acquire "map_data:$path";
1858	my $guard2 = cf::lock_acquire "map_load:$path";
1859		2231
		2232	return unless $self->valid;
1860	return if $self->in_memory != cf::MAP_SWAPPED;	2233	return unless $self->state == cf::MAP_SWAPPED;
1861
1862	$self->in_memory (cf::MAP_LOADING);
1863		2234
1864	$self->alloc;	2235	$self->alloc;
1865		2236
1866	$self->pre_load;	2237	$self->pre_load;
1867	cf::cede_to_tick;	2238	cf::cede_to_tick;
1868		2239
1869	$self->_load_objects ($self->{load_path}, 1)	2240	if (exists $self->{load_path}) {
		2241	my $f = new_from_file cf::object::thawer $self->{load_path};
		2242	$f->skip_block;
		2243	$self->_load_objects ($f)
1870	or return;	2244	or return;
1871		2245
1872	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2246	$self->post_load_original
1873	if delete $self->{load_original};	2247	if delete $self->{load_original};
1874		2248
1875	if (my $uniq = $self->uniq_path) {	2249	if (my $uniq = $self->uniq_path) {
1876	utf8::encode $uniq;	2250	utf8::encode $uniq;
1877	if (aio_open $uniq, O_RDONLY, 0) {	2251	unless (aio_stat $uniq) {
		2252	if (my $f = new_from_file cf::object::thawer $uniq) {
1878	$self->clear_unique_items;	2253	$self->clear_unique_items;
1879	$self->_load_objects ($uniq, 0);	2254	$self->_load_objects ($f);
		2255	$f->resolve_delayed_derefs;
		2256	}
		2257	}
1880	}	2258	}
		2259
		2260	$f->resolve_delayed_derefs;
		2261	} else {
		2262	$self->post_load_original
		2263	if delete $self->{load_original};
1881	}	2264	}
		2265
		2266	$self->state (cf::MAP_INACTIVE);
1882		2267
1883	cf::cede_to_tick;	2268	cf::cede_to_tick;
1884	# now do the right thing for maps	2269	# now do the right thing for maps
1885	$self->link_multipart_objects;	2270	$self->link_multipart_objects;
1886	$self->difficulty ($self->estimate_difficulty)	2271	$self->difficulty ($self->estimate_difficulty)
…		…
1890	unless ($self->{deny_activate}) {	2275	unless ($self->{deny_activate}) {
1891	$self->decay_objects;	2276	$self->decay_objects;
1892	$self->fix_auto_apply;	2277	$self->fix_auto_apply;
1893	$self->update_buttons;	2278	$self->update_buttons;
1894	cf::cede_to_tick;	2279	cf::cede_to_tick;
1895	$self->set_darkness_map;	2280	#$self->activate; # no longer activate maps automatically
1896	cf::cede_to_tick;
1897	$self->activate;
1898	}	2281	}
1899		2282
1900	$self->{last_save} = $cf::RUNTIME;	2283	$self->{last_save} = $cf::RUNTIME;
1901	$self->last_access ($cf::RUNTIME);	2284	$self->last_access ($cf::RUNTIME);
1902
1903	$self->in_memory (cf::MAP_IN_MEMORY);
1904	}	2285	}
1905		2286
1906	$self->post_load;	2287	$self->post_load;
1907	}
1908		2288
		2289	1
		2290	}
		2291
		2292	# customize the map for a given player, i.e.
		2293	# return the _real_ map. used by e.g. per-player
		2294	# maps to change the path to ~playername/mappath
1909	sub customise_for {	2295	sub customise_for {
1910	my ($self, $ob) = @_;	2296	my ($self, $ob) = @_;
1911		2297
1912	return find "~" . $ob->name . "/" . $self->{path}	2298	return find "~" . $ob->name . "/" . $self->{path}
1913	if $self->per_player;	2299	if $self->per_player;
…		…
1916	# if $self->per_party;	2302	# if $self->per_party;
1917		2303
1918	$self	2304	$self
1919	}	2305	}
1920		2306
1921	# find and load all maps in the 3x3 area around a map
1922	sub load_neighbours {
1923	my ($map) = @_;
1924
1925	my @neigh; # diagonal neighbours
1926
1927	for (0 .. 3) {
1928	my $neigh = $map->tile_path ($_)
1929	or next;
1930	$neigh = find $neigh, $map
1931	or next;
1932	$neigh->load;
1933
1934	push @neigh,
1935	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1936	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1937	}
1938
1939	for (grep defined $_->[0], @neigh) {
1940	my ($path, $origin) = @$_;
1941	my $neigh = find $path, $origin
1942	or next;
1943	$neigh->load;
1944	}
1945	}
1946
1947	sub find_sync {	2307	sub find_sync {
1948	my ($path, $origin) = @_;	2308	my ($path, $origin) = @_;
1949		2309
1950	cf::sync_job { find $path, $origin }	2310	# it's a bug to call this from the main context
		2311	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2312	if $Coro::current == $Coro::main;
		2313
		2314	find $path, $origin
1951	}	2315	}
1952		2316
1953	sub do_load_sync {	2317	sub do_load_sync {
1954	my ($map) = @_;	2318	my ($map) = @_;
1955		2319
		2320	# it's a bug to call this from the main context
1956	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2321	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
1957	if $Coro::current == $Coro::main;	2322	if $Coro::current == $Coro::main;
1958		2323
1959	cf::sync_job { $map->load };	2324	$map->load;
1960	}	2325	}
1961		2326
1962	our %MAP_PREFETCH;	2327	our %MAP_PREFETCH;
1963	our $MAP_PREFETCHER = undef;	2328	our $MAP_PREFETCHER = undef;
1964		2329
1965	sub find_async {	2330	sub find_async {
1966	my ($path, $origin, $load) = @_;	2331	my ($path, $origin, $load) = @_;
1967		2332
1968	$path = normalise $path, $origin && $origin->{path};	2333	$path = normalise $path, $origin;
1969		2334
1970	if (my $map = $cf::MAP{$path}) {	2335	if (my $map = $cf::MAP{$path}) {
1971	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2336	return $map if !$load || $map->linkable;
1972	}	2337	}
1973		2338
1974	$MAP_PREFETCH{$path} |= $load;	2339	$MAP_PREFETCH{$path} |= $load;
1975		2340
1976	$MAP_PREFETCHER ||= cf::async {	2341	$MAP_PREFETCHER ||= cf::async {
		2342	$Coro::current->{desc} = "map prefetcher";
		2343
1977	while (%MAP_PREFETCH) {	2344	while (%MAP_PREFETCH) {
1978	while (my ($k, $v) = each %MAP_PREFETCH) {	2345	while (my ($k, $v) = each %MAP_PREFETCH) {
1979	if (my $map = find $k) {	2346	if (my $map = find $k) {
1980	$map->load if $v;	2347	$map->load if $v;
1981	}	2348	}
…		…
1988	$MAP_PREFETCHER->prio (6);	2355	$MAP_PREFETCHER->prio (6);
1989		2356
1990	()	2357	()
1991	}	2358	}
1992		2359
		2360	# common code, used by both ->save and ->swapout
1993	sub save {	2361	sub _save {
1994	my ($self) = @_;	2362	my ($self) = @_;
1995
1996	my $lock = cf::lock_acquire "map_data:$self->{path}";
1997		2363
1998	$self->{last_save} = $cf::RUNTIME;	2364	$self->{last_save} = $cf::RUNTIME;
1999		2365
2000	return unless $self->dirty;	2366	return unless $self->dirty;
2001		2367
…		…
2007	return if $self->{deny_save};	2373	return if $self->{deny_save};
2008		2374
2009	local $self->{last_access} = $self->last_access;#d#	2375	local $self->{last_access} = $self->last_access;#d#
2010		2376
2011	cf::async {	2377	cf::async {
		2378	$Coro::current->{desc} = "map player save";
2012	$_->contr->save for $self->players;	2379	$_->contr->save for $self->players;
2013	};	2380	};
		2381
		2382	cf::get_slot 0.02;
2014		2383
2015	if ($uniq) {	2384	if ($uniq) {
2016	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2385	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2017	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2386	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2018	} else {	2387	} else {
2019	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2388	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2020	}	2389	}
2021	}	2390	}
2022		2391
		2392	sub save {
		2393	my ($self) = @_;
		2394
		2395	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2396
		2397	$self->_save;
		2398	}
		2399
2023	sub swap_out {	2400	sub swap_out {
2024	my ($self) = @_;	2401	my ($self) = @_;
2025		2402
2026	# save first because save cedes
2027	$self->save;
2028
2029	my $lock = cf::lock_acquire "map_data:$self->{path}";	2403	my $lock = cf::lock_acquire "map_data:$self->{path}";
2030		2404
		2405	return if !$self->linkable;
		2406	return if $self->{deny_save};
2031	return if $self->players;	2407	return if $self->players;
2032	return if $self->in_memory != cf::MAP_IN_MEMORY;
2033	return if $self->{deny_save};
2034		2408
		2409	# first deactivate the map and "unlink" it from the core
		2410	$self->deactivate;
		2411	$_->clear_links_to ($self) for values %cf::MAP;
		2412	$self->state (cf::MAP_SWAPPED);
		2413
		2414	# then atomically save
		2415	$self->_save;
		2416
		2417	# then free the map
2035	$self->clear;	2418	$self->clear;
2036	$self->in_memory (cf::MAP_SWAPPED);
2037	}	2419	}
2038		2420
2039	sub reset_at {	2421	sub reset_at {
2040	my ($self) = @_;	2422	my ($self) = @_;
2041		2423
…		…
2059		2441
2060	my $lock = cf::lock_acquire "map_data:$self->{path}";	2442	my $lock = cf::lock_acquire "map_data:$self->{path}";
2061		2443
2062	return if $self->players;	2444	return if $self->players;
2063		2445
2064	warn "resetting map ", $self->path;	2446	cf::trace "resetting map ", $self->path, "\n";
2065		2447
2066	$self->in_memory (cf::MAP_SWAPPED);	2448	$self->state (cf::MAP_SWAPPED);
2067		2449
2068	# need to save uniques path	2450	# need to save uniques path
2069	unless ($self->{deny_save}) {	2451	unless ($self->{deny_save}) {
2070	my $uniq = $self->uniq_path; utf8::encode $uniq;	2452	my $uniq = $self->uniq_path; utf8::encode $uniq;
2071		2453
…		…
2073	if $uniq;	2455	if $uniq;
2074	}	2456	}
2075		2457
2076	delete $cf::MAP{$self->path};	2458	delete $cf::MAP{$self->path};
2077		2459
		2460	$self->deactivate;
		2461	$_->clear_links_to ($self) for values %cf::MAP;
2078	$self->clear;	2462	$self->clear;
2079
2080	$_->clear_links_to ($self) for values %cf::MAP;
2081		2463
2082	$self->unlink_save;	2464	$self->unlink_save;
2083	$self->destroy;	2465	$self->destroy;
2084	}	2466	}
2085		2467
2086	my $nuke_counter = "aaaa";	2468	my $nuke_counter = "aaaa";
2087		2469
2088	sub nuke {	2470	sub nuke {
2089	my ($self) = @_;	2471	my ($self) = @_;
2090		2472
		2473	{
		2474	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2475
2091	delete $cf::MAP{$self->path};	2476	delete $cf::MAP{$self->path};
2092		2477
2093	$self->unlink_save;	2478	$self->unlink_save;
2094		2479
2095	bless $self, "cf::map";	2480	bless $self, "cf::map::wrap";
2096	delete $self->{deny_reset};	2481	delete $self->{deny_reset};
2097	$self->{deny_save} = 1;	2482	$self->{deny_save} = 1;
2098	$self->reset_timeout (1);	2483	$self->reset_timeout (1);
2099	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2484	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2100		2485
2101	$cf::MAP{$self->path} = $self;	2486	$cf::MAP{$self->path} = $self;
		2487	}
2102		2488
2103	$self->reset; # polite request, might not happen	2489	$self->reset; # polite request, might not happen
2104	}	2490	}
2105		2491
2106	=item $maps = cf::map::tmp_maps	2492	=item $maps = cf::map::tmp_maps
…		…
2148		2534
2149	sub unique_maps() {	2535	sub unique_maps() {
2150	[	2536	[
2151	map {	2537	map {
2152	utf8::decode $_;	2538	utf8::decode $_;
2153	/\.map$/	2539	s/\.map$//; # TODO future compatibility hack
		2540	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2541	? ()
2154	? normalise $_	2542	: normalise $_
2155	: ()
2156	} @{ aio_readdir $UNIQUEDIR or [] }	2543	} @{ aio_readdir $UNIQUEDIR or [] }
2157	]	2544	]
2158	}	2545	}
2159		2546
2160	package cf;	2547	=item cf::map::static_maps
		2548
		2549	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2550	file in the shared directory excluding F</styles> and F</editor>). May
		2551	block.
		2552
		2553	=cut
		2554
		2555	sub static_maps() {
		2556	my @dirs = "";
		2557	my @maps;
		2558
		2559	while (@dirs) {
		2560	my $dir = shift @dirs;
		2561
		2562	next if $dir eq "/styles" || $dir eq "/editor";
		2563
		2564	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2565	or return;
		2566
		2567	for (@$files) {
		2568	s/\.map$// or next;
		2569	utf8::decode $_;
		2570	push @maps, "$dir/$_";
		2571	}
		2572
		2573	push @dirs, map "$dir/$_", @$dirs;
		2574	}
		2575
		2576	\@maps
		2577	}
2161		2578
2162	=back	2579	=back
2163		2580
2164	=head3 cf::object	2581	=head3 cf::object
2165		2582
…		…
2169		2586
2170	=over 4	2587	=over 4
2171		2588
2172	=item $ob->inv_recursive	2589	=item $ob->inv_recursive
2173		2590
2174	Returns the inventory of the object _and_ their inventories, recursively.	2591	Returns the inventory of the object I<and> their inventories, recursively,
		2592	but I<not> the object itself.
2175		2593
2176	=cut	2594	=cut
2177		2595
2178	sub inv_recursive_;	2596	sub inv_recursive_;
2179	sub inv_recursive_ {	2597	sub inv_recursive_ {
…		…
2182		2600
2183	sub inv_recursive {	2601	sub inv_recursive {
2184	inv_recursive_ inv $_[0]	2602	inv_recursive_ inv $_[0]
2185	}	2603	}
2186		2604
		2605	=item $ref = $ob->ref
		2606
		2607	Creates and returns a persistent reference to an object that can be stored as a string.
		2608
		2609	=item $ob = cf::object::deref ($refstring)
		2610
		2611	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2612	even if the object actually exists. May block.
		2613
		2614	=cut
		2615
		2616	sub deref {
		2617	my ($ref) = @_;
		2618
		2619	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2620	my ($uuid, $name) = ($1, $2);
		2621	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2622	or return;
		2623	$pl->ob->uuid eq $uuid
		2624	or return;
		2625
		2626	$pl->ob
		2627	} else {
		2628	warn "$ref: cannot resolve object reference\n";
		2629	undef
		2630	}
		2631	}
		2632
2187	package cf;	2633	package cf;
2188		2634
2189	=back	2635	=back
2190		2636
2191	=head3 cf::object::player	2637	=head3 cf::object::player
…		…
2197	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2643	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2198	can be C<undef>. Does the right thing when the player is currently in a	2644	can be C<undef>. Does the right thing when the player is currently in a
2199	dialogue with the given NPC character.	2645	dialogue with the given NPC character.
2200		2646
2201	=cut	2647	=cut
		2648
		2649	our $SAY_CHANNEL = {
		2650	id => "say",
		2651	title => "Map",
		2652	reply => "say ",
		2653	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2654	};
		2655
		2656	our $CHAT_CHANNEL = {
		2657	id => "chat",
		2658	title => "Chat",
		2659	reply => "chat ",
		2660	tooltip => "Player chat and shouts, global to the server.",
		2661	};
2202		2662
2203	# rough implementation of a future "reply" method that works	2663	# rough implementation of a future "reply" method that works
2204	# with dialog boxes.	2664	# with dialog boxes.
2205	#TODO: the first argument must go, split into a $npc->reply_to ( method	2665	#TODO: the first argument must go, split into a $npc->reply_to ( method
2206	sub cf::object::player::reply($$$;$) {	2666	sub cf::object::player::reply($$$;$) {
…		…
2218	my $dialog = $pl->{npc_dialog};	2678	my $dialog = $pl->{npc_dialog};
2219	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2679	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2220		2680
2221	} else {	2681	} else {
2222	$msg = $npc->name . " says: $msg" if $npc;	2682	$msg = $npc->name . " says: $msg" if $npc;
2223	$self->message ($msg, $flags);	2683	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2224	}	2684	}
2225	}	2685	}
2226	}	2686	}
2227		2687
2228	=item $object->send_msg ($channel, $msg, $color, [extra...])	2688	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2253		2713
2254	=item $player_object->enter_link	2714	=item $player_object->enter_link
2255		2715
2256	Freezes the player and moves him/her to a special map (C<{link}>).	2716	Freezes the player and moves him/her to a special map (C<{link}>).
2257		2717
2258	The player should be reasonably safe there for short amounts of time. You	2718	The player should be reasonably safe there for short amounts of time (e.g.
2259	I<MUST> call C<leave_link> as soon as possible, though.	2719	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2720	though, as the player cannot control the character while it is on the link
		2721	map.
2260		2722
2261	Will never block.	2723	Will never block.
2262		2724
2263	=item $player_object->leave_link ($map, $x, $y)	2725	=item $player_object->leave_link ($map, $x, $y)
2264		2726
…		…
2284	sub cf::object::player::enter_link {	2746	sub cf::object::player::enter_link {
2285	my ($self) = @_;	2747	my ($self) = @_;
2286		2748
2287	$self->deactivate_recursive;	2749	$self->deactivate_recursive;
2288		2750
		2751	++$self->{_link_recursion};
		2752
2289	return if UNIVERSAL::isa $self->map, "ext::map_link";	2753	return if UNIVERSAL::isa $self->map, "ext::map_link";
2290		2754
2291	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2755	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2292	if $self->map && $self->map->{path} ne "{link}";	2756	if $self->map && $self->map->{path} ne "{link}";
2293		2757
2294	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2758	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2295	}	2759	}
2296		2760
2297	sub cf::object::player::leave_link {	2761	sub cf::object::player::leave_link {
2298	my ($self, $map, $x, $y) = @_;	2762	my ($self, $map, $x, $y) = @_;
2299		2763
…		…
2316	($x, $y) = (-1, -1)	2780	($x, $y) = (-1, -1)
2317	unless (defined $x) && (defined $y);	2781	unless (defined $x) && (defined $y);
2318		2782
2319	# use -1 or undef as default coordinates, not 0, 0	2783	# use -1 or undef as default coordinates, not 0, 0
2320	($x, $y) = ($map->enter_x, $map->enter_y)	2784	($x, $y) = ($map->enter_x, $map->enter_y)
2321	if $x <=0 && $y <= 0;	2785	if $x <= 0 && $y <= 0;
2322		2786
2323	$map->load;	2787	$map->load;
2324	$map->load_neighbours;
2325		2788
2326	return unless $self->contr->active;	2789	return unless $self->contr->active;
2327	$self->activate_recursive;
2328		2790
2329	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2791	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2330	$self->enter_map ($map, $x, $y);	2792	if ($self->enter_map ($map, $x, $y)) {
2331	}	2793	# entering was successful
		2794	delete $self->{_link_recursion};
		2795	# only activate afterwards, to support waiting in hooks
		2796	$self->activate_recursive;
		2797	}
2332		2798
		2799	}
		2800
2333	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2801	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2334		2802
2335	Moves the player to the given map-path and coordinates by first freezing	2803	Moves the player to the given map-path and coordinates by first freezing
2336	her, loading and preparing them map, calling the provided $check callback	2804	her, loading and preparing them map, calling the provided $check callback
2337	that has to return the map if sucecssful, and then unfreezes the player on	2805	that has to return the map if sucecssful, and then unfreezes the player on
2338	the new (success) or old (failed) map position. In either case, $done will	2806	the new (success) or old (failed) map position. In either case, $done will
2339	be called at the end of this process.	2807	be called at the end of this process.
2340		2808
		2809	Note that $check will be called with a potentially non-loaded map, so if
		2810	it needs a loaded map it has to call C<< ->load >>.
		2811
2341	=cut	2812	=cut
2342		2813
2343	our $GOTOGEN;	2814	our $GOTOGEN;
2344		2815
2345	sub cf::object::player::goto {	2816	sub cf::object::player::goto {
2346	my ($self, $path, $x, $y, $check, $done) = @_;	2817	my ($self, $path, $x, $y, $check, $done) = @_;
2347		2818
		2819	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2820	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2821	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2822	($path, $x, $y) = @$EMERGENCY_POSITION;
		2823	}
		2824
2348	# do generation counting so two concurrent goto's will be executed in-order	2825	# do generation counting so two concurrent goto's will be executed in-order
2349	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2826	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2350		2827
2351	$self->enter_link;	2828	$self->enter_link;
2352		2829
2353	(async {	2830	(async {
		2831	$Coro::current->{desc} = "player::goto $path $x $y";
		2832
		2833	# *tag paths override both path and x|y
		2834	if ($path =~ /^\*(.*)$/) {
		2835	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2836	my $ob = $obs[rand @obs];
		2837
		2838	# see if we actually can go there
		2839	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2840	$ob = $obs[rand @obs];
		2841	} else {
		2842	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2843	}
		2844	# else put us there anyways for now #d#
		2845
		2846	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2847	} else {
		2848	($path, $x, $y) = (undef, undef, undef);
		2849	}
		2850	}
		2851
2354	my $map = eval {	2852	my $map = eval {
2355	my $map = cf::map::find $path;	2853	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2356		2854
2357	if ($map) {	2855	if ($map) {
2358	$map = $map->customise_for ($self);	2856	$map = $map->customise_for ($self);
2359	$map = $check->($map) if $check && $map;	2857	$map = $check->($map, $x, $y, $self) if $check && $map;
2360	} else {	2858	} else {
2361	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2859	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2362	}	2860	}
2363		2861
2364	$map	2862	$map
2365	};	2863	};
2366		2864
…		…
2372	if ($gen == $self->{_goto_generation}) {	2870	if ($gen == $self->{_goto_generation}) {
2373	delete $self->{_goto_generation};	2871	delete $self->{_goto_generation};
2374	$self->leave_link ($map, $x, $y);	2872	$self->leave_link ($map, $x, $y);
2375	}	2873	}
2376		2874
2377	$done->() if $done;	2875	$done->($self) if $done;
2378	})->prio (1);	2876	})->prio (1);
2379	}	2877	}
2380		2878
2381	=item $player_object->enter_exit ($exit_object)	2879	=item $player_object->enter_exit ($exit_object)
2382		2880
…		…
2402	}	2900	}
2403		2901
2404	sub prepare_random_map {	2902	sub prepare_random_map {
2405	my ($exit) = @_;	2903	my ($exit) = @_;
2406		2904
2407	my $guard = cf::lock_acquire "exit_prepare:$exit";
2408
2409	# all this does is basically replace the /! path by	2905	# all this does is basically replace the /! path by
2410	# a new random map path (?random/...) with a seed	2906	# a new random map path (?random/...) with a seed
2411	# that depends on the exit object	2907	# that depends on the exit object
2412		2908
2413	my $rmp = parse_random_map_params $exit->msg;	2909	my $rmp = parse_random_map_params $exit->msg;
…		…
2415	if ($exit->map) {	2911	if ($exit->map) {
2416	$rmp->{region} = $exit->region->name;	2912	$rmp->{region} = $exit->region->name;
2417	$rmp->{origin_map} = $exit->map->path;	2913	$rmp->{origin_map} = $exit->map->path;
2418	$rmp->{origin_x} = $exit->x;	2914	$rmp->{origin_x} = $exit->x;
2419	$rmp->{origin_y} = $exit->y;	2915	$rmp->{origin_y} = $exit->y;
		2916
		2917	$exit->map->touch;
2420	}	2918	}
2421		2919
2422	$rmp->{random_seed} ||= $exit->random_seed;	2920	$rmp->{random_seed} ||= $exit->random_seed;
2423		2921
2424	my $data = cf::to_json $rmp;	2922	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2425	my $md5 = Digest::MD5::md5_hex $data;	2923	my $md5 = Digest::MD5::md5_hex $data;
2426	my $meta = "$RANDOMDIR/$md5.meta";	2924	my $meta = "$RANDOMDIR/$md5.meta";
2427		2925
2428	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2926	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2429	aio_write $fh, 0, (length $data), $data, 0;	2927	aio_write $fh, 0, (length $data), $data, 0;
2430	undef $fh;	2928	undef $fh;
2431	aio_rename "$meta~", $meta;	2929	aio_rename "$meta~", $meta;
2432		2930
		2931	my $slaying = "?random/$md5";
		2932
		2933	if ($exit->valid) {
2433	$exit->slaying ("?random/$md5");	2934	$exit->slaying ("?random/$md5");
2434	$exit->msg (undef);	2935	$exit->msg (undef);
		2936	}
2435	}	2937	}
2436	}	2938	}
2437		2939
2438	sub cf::object::player::enter_exit {	2940	sub cf::object::player::enter_exit {
2439	my ($self, $exit) = @_;	2941	my ($self, $exit) = @_;
2440		2942
2441	return unless $self->type == cf::PLAYER;	2943	return unless $self->type == cf::PLAYER;
2442		2944
2443	if ($exit->slaying eq "/!") {
2444	#TODO: this should de-fi-ni-te-ly not be a sync-job
2445	# the problem is that $exit might not survive long enough
2446	# so it needs to be done right now, right here
2447	cf::sync_job { prepare_random_map $exit };
2448	}
2449
2450	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2451	my $hp = $exit->stats->hp;
2452	my $sp = $exit->stats->sp;
2453
2454	$self->enter_link;	2945	$self->enter_link;
2455		2946
2456	# if exit is damned, update players death & WoR home-position
2457	$self->contr->savebed ($slaying, $hp, $sp)
2458	if $exit->flag (FLAG_DAMNED);
2459
2460	(async {	2947	(async {
2461	$self->deactivate_recursive; # just to be sure	2948	$Coro::current->{desc} = "enter_exit";
		2949
2462	unless (eval {	2950	unless (eval {
		2951	$self->deactivate_recursive; # just to be sure
		2952
		2953	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2954	my $x = $exit->stats->hp;
		2955	my $y = $exit->stats->sp;
		2956
		2957	# special map handling
		2958	my $slaying = $exit->slaying;
		2959
		2960	# special map handling
		2961	if ($slaying eq "/!") {
		2962	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2963
		2964	prepare_random_map $exit
		2965	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2966
		2967	$map = $exit->slaying;
		2968
		2969	} elsif ($slaying eq '!up') {
		2970	$map = $exit->map->tile_path (cf::TILE_UP);
		2971	$x = $exit->x;
		2972	$y = $exit->y;
		2973
		2974	} elsif ($slaying eq '!down') {
		2975	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2976	$x = $exit->x;
		2977	$y = $exit->y;
		2978	}
		2979
2463	$self->goto ($slaying, $hp, $sp);	2980	$self->goto ($map, $x, $y);
2464		2981
		2982	# if exit is damned, update players death & WoR home-position
		2983	$self->contr->savebed ($map, $x, $y)
		2984	if $exit->flag (cf::FLAG_DAMNED);
		2985
2465	1;	2986	1
2466	}) {	2987	}) {
2467	$self->message ("Something went wrong deep within the crossfire server. "	2988	$self->message ("Something went wrong deep within the deliantra server. "
2468	. "I'll try to bring you back to the map you were before. "	2989	. "I'll try to bring you back to the map you were before. "
2469	. "Please report this to the dungeon master!",	2990	. "Please report this to the dungeon master!",
2470	cf::NDI_UNIQUE | cf::NDI_RED);	2991	cf::NDI_UNIQUE | cf::NDI_RED);
2471		2992
2472	warn "ERROR in enter_exit: $@";	2993	error "ERROR in enter_exit: $@";
2473	$self->leave_link;	2994	$self->leave_link;
2474	}	2995	}
2475	})->prio (1);	2996	})->prio (1);
2476	}	2997	}
2477		2998
…		…
2489	sub cf::client::send_drawinfo {	3010	sub cf::client::send_drawinfo {
2490	my ($self, $text, $flags) = @_;	3011	my ($self, $text, $flags) = @_;
2491		3012
2492	utf8::encode $text;	3013	utf8::encode $text;
2493	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3014	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3015	}
		3016
		3017	=item $client->send_big_packet ($pkt)
		3018
		3019	Like C<send_packet>, but tries to compress large packets, and fragments
		3020	them as required.
		3021
		3022	=cut
		3023
		3024	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3025
		3026	sub cf::client::send_big_packet {
		3027	my ($self, $pkt) = @_;
		3028
		3029	# try lzf for large packets
		3030	$pkt = "lzf " . Compress::LZF::compress $pkt
		3031	if 1024 <= length $pkt and $self->{can_lzf};
		3032
		3033	# split very large packets
		3034	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3035	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3036	$pkt = "frag";
		3037	}
		3038
		3039	$self->send_packet ($pkt);
2494	}	3040	}
2495		3041
2496	=item $client->send_msg ($channel, $msg, $color, [extra...])	3042	=item $client->send_msg ($channel, $msg, $color, [extra...])
2497		3043
2498	Send a drawinfo or msg packet to the client, formatting the msg for the	3044	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2500	the message, with C<log> being the default. If C<$color> is negative, suppress	3046	the message, with C<log> being the default. If C<$color> is negative, suppress
2501	the message unless the client supports the msg packet.	3047	the message unless the client supports the msg packet.
2502		3048
2503	=cut	3049	=cut
2504		3050
		3051	# non-persistent channels (usually the info channel)
		3052	our %CHANNEL = (
		3053	"c/motd" => {
		3054	id => "infobox",
		3055	title => "MOTD",
		3056	reply => undef,
		3057	tooltip => "The message of the day",
		3058	},
		3059	"c/identify" => {
		3060	id => "infobox",
		3061	title => "Identify",
		3062	reply => undef,
		3063	tooltip => "Items recently identified",
		3064	},
		3065	"c/examine" => {
		3066	id => "infobox",
		3067	title => "Examine",
		3068	reply => undef,
		3069	tooltip => "Signs and other items you examined",
		3070	},
		3071	"c/shopinfo" => {
		3072	id => "infobox",
		3073	title => "Shop Info",
		3074	reply => undef,
		3075	tooltip => "What your bargaining skill tells you about the shop",
		3076	},
		3077	"c/book" => {
		3078	id => "infobox",
		3079	title => "Book",
		3080	reply => undef,
		3081	tooltip => "The contents of a note or book",
		3082	},
		3083	"c/lookat" => {
		3084	id => "infobox",
		3085	title => "Look",
		3086	reply => undef,
		3087	tooltip => "What you saw there",
		3088	},
		3089	"c/who" => {
		3090	id => "infobox",
		3091	title => "Players",
		3092	reply => undef,
		3093	tooltip => "Shows players who are currently online",
		3094	},
		3095	"c/body" => {
		3096	id => "infobox",
		3097	title => "Body Parts",
		3098	reply => undef,
		3099	tooltip => "Shows which body parts you posess and are available",
		3100	},
		3101	"c/statistics" => {
		3102	id => "infobox",
		3103	title => "Statistics",
		3104	reply => undef,
		3105	tooltip => "Shows your primary statistics",
		3106	},
		3107	"c/skills" => {
		3108	id => "infobox",
		3109	title => "Skills",
		3110	reply => undef,
		3111	tooltip => "Shows your experience per skill and item power",
		3112	},
		3113	"c/shopitems" => {
		3114	id => "infobox",
		3115	title => "Shop Items",
		3116	reply => undef,
		3117	tooltip => "Shows the items currently for sale in this shop",
		3118	},
		3119	"c/resistances" => {
		3120	id => "infobox",
		3121	title => "Resistances",
		3122	reply => undef,
		3123	tooltip => "Shows your resistances",
		3124	},
		3125	"c/pets" => {
		3126	id => "infobox",
		3127	title => "Pets",
		3128	reply => undef,
		3129	tooltip => "Shows information abotu your pets/a specific pet",
		3130	},
		3131	"c/perceiveself" => {
		3132	id => "infobox",
		3133	title => "Perceive Self",
		3134	reply => undef,
		3135	tooltip => "You gained detailed knowledge about yourself",
		3136	},
		3137	"c/uptime" => {
		3138	id => "infobox",
		3139	title => "Uptime",
		3140	reply => undef,
		3141	tooltip => "How long the server has been running since last restart",
		3142	},
		3143	"c/mapinfo" => {
		3144	id => "infobox",
		3145	title => "Map Info",
		3146	reply => undef,
		3147	tooltip => "Information related to the maps",
		3148	},
		3149	"c/party" => {
		3150	id => "party",
		3151	title => "Party",
		3152	reply => "gsay ",
		3153	tooltip => "Messages and chat related to your party",
		3154	},
		3155	"c/death" => {
		3156	id => "death",
		3157	title => "Death",
		3158	reply => undef,
		3159	tooltip => "Reason for and more info about your most recent death",
		3160	},
		3161	"c/say" => $SAY_CHANNEL,
		3162	"c/chat" => $CHAT_CHANNEL,
		3163	);
		3164
2505	sub cf::client::send_msg {	3165	sub cf::client::send_msg {
2506	my ($self, $channel, $msg, $color, @extra) = @_;	3166	my ($self, $channel, $msg, $color, @extra) = @_;
2507		3167
2508	$msg = $self->pl->expand_cfpod ($msg);	3168	$msg = $self->pl->expand_cfpod ($msg)
		3169	unless $color & cf::NDI_VERBATIM;
2509		3170
2510	$color &= cf::NDI_CLIENT_MASK; # just in case...	3171	$color &= cf::NDI_CLIENT_MASK; # just in case...
2511		3172
		3173	# check predefined channels, for the benefit of C
		3174	if ($CHANNEL{$channel}) {
		3175	$channel = $CHANNEL{$channel};
		3176
		3177	$self->ext_msg (channel_info => $channel);
		3178	$channel = $channel->{id};
		3179
2512	if (ref $channel) {	3180	} elsif (ref $channel) {
2513	# send meta info to client, if not yet sent	3181	# send meta info to client, if not yet sent
2514	unless (exists $self->{channel}{$channel->{id}}) {	3182	unless (exists $self->{channel}{$channel->{id}}) {
2515	$self->{channel}{$channel->{id}} = $channel;	3183	$self->{channel}{$channel->{id}} = $channel;
2516	$self->ext_msg (channel_info => $channel);	3184	$self->ext_msg (channel_info => $channel);
2517	}	3185	}
…		…
2519	$channel = $channel->{id};	3187	$channel = $channel->{id};
2520	}	3188	}
2521		3189
2522	return unless @extra || length $msg;	3190	return unless @extra || length $msg;
2523		3191
2524	if ($self->can_msg) {
2525	# default colour, mask it out	3192	# default colour, mask it out
2526	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3193	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2527	if $color & cf::NDI_DEF;	3194	if $color & cf::NDI_DEF;
2528		3195
2529	$self->send_packet ("msg " . $self->{json_coder}->encode (	3196	my $pkt = "msg "
		3197	. $self->{json_coder}->encode (
2530	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3198	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2531	} else {	3199	);
2532	if ($color >= 0) {
2533	# replace some tags by gcfclient-compatible ones
2534	for ($msg) {
2535	1 while
2536	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2537	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2538	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2539	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2540	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2541	}
2542		3200
2543	$color &= cf::NDI_COLOR_MASK;	3201	$self->send_big_packet ($pkt);
2544
2545	utf8::encode $msg;
2546
2547	if (0 && $msg =~ /\[/) {
2548	# COMMAND/INFO
2549	$self->send_packet ("drawextinfo $color 10 8 $msg")
2550	} else {
2551	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2552	$self->send_packet ("drawinfo $color $msg")
2553	}
2554	}
2555	}
2556	}	3202	}
2557		3203
2558	=item $client->ext_msg ($type, @msg)	3204	=item $client->ext_msg ($type, @msg)
2559		3205
2560	Sends an ext event to the client.	3206	Sends an ext event to the client.
…		…
2563		3209
2564	sub cf::client::ext_msg($$@) {	3210	sub cf::client::ext_msg($$@) {
2565	my ($self, $type, @msg) = @_;	3211	my ($self, $type, @msg) = @_;
2566		3212
2567	if ($self->extcmd == 2) {	3213	if ($self->extcmd == 2) {
2568	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3214	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2569	} elsif ($self->extcmd == 1) { # TODO: remove	3215	} elsif ($self->extcmd == 1) { # TODO: remove
2570	push @msg, msgtype => "event_$type";	3216	push @msg, msgtype => "event_$type";
2571	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3217	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2572	}	3218	}
2573	}	3219	}
2574		3220
2575	=item $client->ext_reply ($msgid, @msg)	3221	=item $client->ext_reply ($msgid, @msg)
2576		3222
…		…
2579	=cut	3225	=cut
2580		3226
2581	sub cf::client::ext_reply($$@) {	3227	sub cf::client::ext_reply($$@) {
2582	my ($self, $id, @msg) = @_;	3228	my ($self, $id, @msg) = @_;
2583		3229
2584	if ($self->extcmd == 2) {	3230	return unless $self->extcmd == 2;
		3231
2585	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3232	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2586	} elsif ($self->extcmd == 1) {
2587	#TODO: version 1, remove
2588	unshift @msg, msgtype => "reply", msgid => $id;
2589	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2590	}
2591	}	3233	}
2592		3234
2593	=item $success = $client->query ($flags, "text", \&cb)	3235	=item $success = $client->query ($flags, "text", \&cb)
2594		3236
2595	Queues a query to the client, calling the given callback with	3237	Queues a query to the client, calling the given callback with
…		…
2650	my ($ns, $buf) = @_;	3292	my ($ns, $buf) = @_;
2651		3293
2652	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3294	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2653		3295
2654	if (ref $msg) {	3296	if (ref $msg) {
2655	my ($type, $reply, @payload) =	3297	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2656	"ARRAY" eq ref $msg
2657	? @$msg
2658	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2659		3298
2660	my @reply;	3299	my @reply;
2661		3300
2662	if (my $cb = $EXTICMD{$type}) {	3301	if (my $cb = $EXTICMD{$type}) {
2663	@reply = $cb->($ns, @payload);	3302	@reply = $cb->($ns, @payload);
…		…
2665		3304
2666	$ns->ext_reply ($reply, @reply)	3305	$ns->ext_reply ($reply, @reply)
2667	if $reply;	3306	if $reply;
2668		3307
2669	} else {	3308	} else {
2670	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3309	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2671	}	3310	}
2672		3311
2673	cf::override;	3312	cf::override;
2674	},	3313	},
2675	);	3314	);
…		…
2695		3334
2696	$coro	3335	$coro
2697	}	3336	}
2698		3337
2699	cf::client->attach (	3338	cf::client->attach (
2700	on_destroy => sub {	3339	on_client_destroy => sub {
2701	my ($ns) = @_;	3340	my ($ns) = @_;
2702		3341
2703	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3342	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2704	},	3343	},
2705	);	3344	);
…		…
2721	our $safe_hole = new Safe::Hole;	3360	our $safe_hole = new Safe::Hole;
2722		3361
2723	$SIG{FPE} = 'IGNORE';	3362	$SIG{FPE} = 'IGNORE';
2724		3363
2725	$safe->permit_only (Opcode::opset qw(	3364	$safe->permit_only (Opcode::opset qw(
2726	:base_core :base_mem :base_orig :base_math	3365	:base_core :base_mem :base_orig :base_math :base_loop
2727	grepstart grepwhile mapstart mapwhile	3366	grepstart grepwhile mapstart mapwhile
2728	sort time	3367	sort time
2729	));	3368	));
2730		3369
2731	# here we export the classes and methods available to script code	3370	# here we export the classes and methods available to script code
…		…
2733	=pod	3372	=pod
2734		3373
2735	The following functions and methods are available within a safe environment:	3374	The following functions and methods are available within a safe environment:
2736		3375
2737	cf::object	3376	cf::object
2738	contr pay_amount pay_player map x y force_find force_add	3377	contr pay_amount pay_player map x y force_find force_add destroy
2739	insert remove name archname title slaying race decrease_ob_nr	3378	insert remove name archname title slaying race decrease split
		3379	value
2740		3380
2741	cf::object::player	3381	cf::object::player
2742	player	3382	player
2743		3383
2744	cf::player	3384	cf::player
…		…
2749		3389
2750	=cut	3390	=cut
2751		3391
2752	for (	3392	for (
2753	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3393	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2754	insert remove inv name archname title slaying race	3394	insert remove inv nrof name archname title slaying race
2755	decrease_ob_nr)],	3395	decrease split destroy change_exp value msg lore send_msg)],
2756	["cf::object::player" => qw(player)],	3396	["cf::object::player" => qw(player)],
2757	["cf::player" => qw(peaceful)],	3397	["cf::player" => qw(peaceful send_msg)],
2758	["cf::map" => qw(trigger)],	3398	["cf::map" => qw(trigger)],
2759	) {	3399	) {
2760	no strict 'refs';
2761	my ($pkg, @funs) = @$_;	3400	my ($pkg, @funs) = @$_;
2762	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3401	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2763	for @funs;	3402	for @funs;
2764	}	3403	}
2765		3404
…		…
2780		3419
2781	my $qcode = $code;	3420	my $qcode = $code;
2782	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3421	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2783	$qcode =~ s/\n/\\n/g;	3422	$qcode =~ s/\n/\\n/g;
2784		3423
		3424	%vars = (_dummy => 0) unless %vars;
		3425
		3426	my @res;
2785	local $_;	3427	local $_;
2786	local @safe::cf::_safe_eval_args = values %vars;
2787		3428
2788	my $eval =	3429	my $eval =
2789	"do {\n"	3430	"do {\n"
2790	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3431	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2791	. "#line 0 \"{$qcode}\"\n"	3432	. "#line 0 \"{$qcode}\"\n"
2792	. $code	3433	. $code
2793	. "\n}"	3434	. "\n}"
2794	;	3435	;
2795		3436
		3437	if ($CFG{safe_eval}) {
2796	sub_generation_inc;	3438	sub_generation_inc;
		3439	local @safe::cf::_safe_eval_args = values %vars;
2797	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3440	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2798	sub_generation_inc;	3441	sub_generation_inc;
		3442	} else {
		3443	local @cf::_safe_eval_args = values %vars;
		3444	@res = wantarray ? eval eval : scalar eval $eval;
		3445	}
2799		3446
2800	if ($@) {	3447	if ($@) {
2801	warn "$@";	3448	warn "$@",
2802	warn "while executing safe code '$code'\n";	3449	"while executing safe code '$code'\n",
2803	warn "with arguments " . (join " ", %vars) . "\n";	3450	"with arguments " . (join " ", %vars) . "\n";
2804	}	3451	}
2805		3452
2806	wantarray ? @res : $res[0]	3453	wantarray ? @res : $res[0]
2807	}	3454	}
2808		3455
…		…
2822	=cut	3469	=cut
2823		3470
2824	sub register_script_function {	3471	sub register_script_function {
2825	my ($fun, $cb) = @_;	3472	my ($fun, $cb) = @_;
2826		3473
2827	no strict 'refs';	3474	$fun = "safe::$fun" if $CFG{safe_eval};
2828	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3475	*$fun = $safe_hole->wrap ($cb);
2829	}	3476	}
2830		3477
2831	=back	3478	=back
2832		3479
2833	=cut	3480	=cut
…		…
2836	# the server's init and main functions	3483	# the server's init and main functions
2837		3484
2838	sub load_facedata($) {	3485	sub load_facedata($) {
2839	my ($path) = @_;	3486	my ($path) = @_;
2840		3487
		3488	# HACK to clear player env face cache, we need some signal framework
		3489	# for this (global event?)
		3490	%ext::player_env::MUSIC_FACE_CACHE = ();
		3491
2841	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3492	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2842		3493
2843	warn "loading facedata from $path\n";	3494	trace "loading facedata from $path\n";
2844		3495
2845	my $facedata;	3496	my $facedata = decode_storable load_file $path;
2846	0 < aio_load $path, $facedata
2847	or die "$path: $!";
2848
2849	$facedata = Coro::Storable::thaw $facedata;
2850		3497
2851	$facedata->{version} == 2	3498	$facedata->{version} == 2
2852	or cf::cleanup "$path: version mismatch, cannot proceed.";	3499	or cf::cleanup "$path: version mismatch, cannot proceed.";
2853		3500
2854	# patch in the exptable	3501	# patch in the exptable
		3502	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2855	$facedata->{resource}{"res/exp_table"} = {	3503	$facedata->{resource}{"res/exp_table"} = {
2856	type => FT_RSRC,	3504	type => FT_RSRC,
2857	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3505	data => $exp_table,
		3506	hash => (Digest::MD5::md5 $exp_table),
2858	};	3507	};
2859	cf::cede_to_tick;	3508	cf::cede_to_tick;
2860		3509
2861	{	3510	{
2862	my $faces = $facedata->{faceinfo};	3511	my $faces = $facedata->{faceinfo};
2863		3512
2864	while (my ($face, $info) = each %$faces) {	3513	while (my ($face, $info) = each %$faces) {
2865	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3514	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3515
2866	cf::face::set_visibility $idx, $info->{visibility};	3516	cf::face::set_visibility $idx, $info->{visibility};
2867	cf::face::set_magicmap $idx, $info->{magicmap};	3517	cf::face::set_magicmap $idx, $info->{magicmap};
2868	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3518	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2869	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3519	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3520	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2870		3521
2871	cf::cede_to_tick;	3522	cf::cede_to_tick;
2872	}	3523	}
2873		3524
2874	while (my ($face, $info) = each %$faces) {	3525	while (my ($face, $info) = each %$faces) {
2875	next unless $info->{smooth};	3526	next unless $info->{smooth};
		3527
2876	my $idx = cf::face::find $face	3528	my $idx = cf::face::find $face
2877	or next;	3529	or next;
		3530
2878	if (my $smooth = cf::face::find $info->{smooth}) {	3531	if (my $smooth = cf::face::find $info->{smooth}) {
2879	cf::face::set_smooth $idx, $smooth;	3532	cf::face::set_smooth $idx, $smooth;
2880	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3533	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2881	} else {	3534	} else {
2882	warn "smooth face '$info->{smooth}' not found for face '$face'";	3535	error "smooth face '$info->{smooth}' not found for face '$face'";
2883	}	3536	}
2884		3537
2885	cf::cede_to_tick;	3538	cf::cede_to_tick;
2886	}	3539	}
2887	}	3540	}
…		…
2896		3549
2897	cf::anim::invalidate_all; # d'oh	3550	cf::anim::invalidate_all; # d'oh
2898	}	3551	}
2899		3552
2900	{	3553	{
2901	# TODO: for gcfclient pleasure, we should give resources
2902	# that gcfclient doesn't grok a >10000 face index.
2903	my $res = $facedata->{resource};	3554	my $res = $facedata->{resource};
2904		3555
2905	my $soundconf = delete $res->{"res/sound.conf"};
2906
2907	while (my ($name, $info) = each %$res) {	3556	while (my ($name, $info) = each %$res) {
		3557	if (defined (my $type = $info->{type})) {
		3558	# TODO: different hash - must free and use new index, or cache ixface data queue
2908	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3559	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2909	my $data;
2910		3560
2911	if ($info->{type} & 1) {	3561	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2912	# prepend meta info	3562	cf::face::set_type $idx, $type;
2913		3563	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
2914	my $meta = $enc->encode ({
2915	name => $name,
2916	%{ $info->{meta} || {} },
2917	});
2918
2919	$data = pack "(w/a*)*", $meta, $info->{data};
2920	} else {	3564	} else {
2921	$data = $info->{data};	3565	# $RESOURCE{$name} = $info; # unused
2922	}	3566	}
2923		3567
2924	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2925	cf::face::set_type $idx, $info->{type};
2926
2927	cf::cede_to_tick;	3568	cf::cede_to_tick;
2928	}	3569	}
2929
2930	if ($soundconf) {
2931	$soundconf = $enc->decode (delete $soundconf->{data});
2932
2933	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2934	my $sound = $soundconf->{compat}[$_]
2935	or next;
2936
2937	my $face = cf::face::find "sound/$sound->[1]";
2938	cf::sound::set $sound->[0] => $face;
2939	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2940	}
2941
2942	while (my ($k, $v) = each %{$soundconf->{event}}) {
2943	my $face = cf::face::find "sound/$v";
2944	cf::sound::set $k => $face;
2945	}
2946	}
2947	}	3570	}
		3571
		3572	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2948		3573
2949	1	3574	1
2950	}	3575	}
2951		3576
2952	register_exticmd fx_want => sub {	3577	register_exticmd fx_want => sub {
…		…
2955	while (my ($k, $v) = each %$want) {	3580	while (my ($k, $v) = each %$want) {
2956	$ns->fx_want ($k, $v);	3581	$ns->fx_want ($k, $v);
2957	}	3582	}
2958	};	3583	};
2959		3584
		3585	sub load_resource_file($) {
		3586	my $guard = lock_acquire "load_resource_file";
		3587
		3588	my $status = load_resource_file_ $_[0];
		3589	get_slot 0.1, 100;
		3590	cf::arch::commit_load;
		3591
		3592	$status
		3593	}
		3594
2960	sub reload_regions {	3595	sub reload_regions {
		3596	# HACK to clear player env face cache, we need some signal framework
		3597	# for this (global event?)
		3598	%ext::player_env::MUSIC_FACE_CACHE = ();
		3599
2961	load_resource_file "$MAPDIR/regions"	3600	load_resource_file "$MAPDIR/regions"
2962	or die "unable to load regions file\n";	3601	or die "unable to load regions file\n";
2963		3602
2964	for (cf::region::list) {	3603	for (cf::region::list) {
2965	$_->{match} = qr/$_->{match}/	3604	$_->{match} = qr/$_->{match}/
…		…
2973	}	3612	}
2974		3613
2975	sub reload_archetypes {	3614	sub reload_archetypes {
2976	load_resource_file "$DATADIR/archetypes"	3615	load_resource_file "$DATADIR/archetypes"
2977	or die "unable to load archetypes\n";	3616	or die "unable to load archetypes\n";
2978	#d# NEED to laod twice to resolve forward references
2979	# this really needs to be done in an extra post-pass
2980	# (which needs to be synchronous, so solve it differently)
2981	load_resource_file "$DATADIR/archetypes"
2982	or die "unable to load archetypes\n";
2983	}	3617	}
2984		3618
2985	sub reload_treasures {	3619	sub reload_treasures {
2986	load_resource_file "$DATADIR/treasures"	3620	load_resource_file "$DATADIR/treasures"
2987	or die "unable to load treasurelists\n";	3621	or die "unable to load treasurelists\n";
2988	}	3622	}
2989		3623
		3624	sub reload_sound {
		3625	trace "loading sound config from $DATADIR/sound\n";
		3626
		3627	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3628
		3629	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3630	my $sound = $soundconf->{compat}[$_]
		3631	or next;
		3632
		3633	my $face = cf::face::find "sound/$sound->[1]";
		3634	cf::sound::set $sound->[0] => $face;
		3635	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3636	}
		3637
		3638	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3639	my $face = cf::face::find "sound/$v";
		3640	cf::sound::set $k => $face;
		3641	}
		3642	}
		3643
2990	sub reload_resources {	3644	sub reload_resources {
2991	warn "reloading resource files...\n";	3645	trace "reloading resource files...\n";
2992		3646
		3647	reload_exp_table;
		3648	reload_materials;
		3649	reload_facedata;
		3650	reload_sound;
		3651	reload_archetypes;
2993	reload_regions;	3652	reload_regions;
2994	reload_facedata;
2995	#reload_archetypes;#d#
2996	reload_archetypes;
2997	reload_treasures;	3653	reload_treasures;
2998		3654
2999	warn "finished reloading resource files\n";	3655	trace "finished reloading resource files\n";
3000	}
3001
3002	sub init {
3003	reload_resources;
3004	}	3656	}
3005		3657
3006	sub reload_config {	3658	sub reload_config {
3007	open my $fh, "<:utf8", "$CONFDIR/config"	3659	trace "reloading config file...\n";
3008	or return;
3009		3660
3010	local $/;	3661	my $config = load_file "$CONFDIR/config";
3011	*CFG = YAML::Syck::Load <$fh>;	3662	utf8::decode $config;
		3663	*CFG = decode_yaml $config;
3012		3664
3013	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3665	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3014		3666
3015	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3667	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3016	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3668	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3017		3669
3018	if (exists $CFG{mlockall}) {	3670	if (exists $CFG{mlockall}) {
…		…
3022	};	3674	};
3023	warn $@ if $@;	3675	warn $@ if $@;
3024	}	3676	}
3025	}	3677	}
3026		3678
		3679	sub pidfile() {
		3680	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3681	or die "$PIDFILE: $!";
		3682	flock $fh, &Fcntl::LOCK_EX
		3683	or die "$PIDFILE: flock: $!";
		3684	$fh
		3685	}
		3686
		3687	# make sure only one server instance is running at any one time
		3688	sub atomic {
		3689	my $fh = pidfile;
		3690
		3691	my $pid = <$fh>;
		3692	kill 9, $pid if $pid > 0;
		3693
		3694	seek $fh, 0, 0;
		3695	print $fh $$;
		3696	}
		3697
		3698	sub main_loop {
		3699	trace "EV::loop starting\n";
		3700	if (1) {
		3701	EV::loop;
		3702	}
		3703	trace "EV::loop returned\n";
		3704	goto &main_loop unless $REALLY_UNLOOP;
		3705	}
		3706
3027	sub main {	3707	sub main {
		3708	cf::init_globals; # initialise logging
		3709
		3710	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3711	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3712	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3713	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3714
		3715	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3716
3028	# we must not ever block the main coroutine	3717	# we must not ever block the main coroutine
3029	local $Coro::idle = sub {	3718	local $Coro::idle = sub {
3030	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3719	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3031	(async {	3720	(async {
3032	Event::one_event;	3721	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3722	EV::loop EV::LOOP_ONESHOT;
3033	})->prio (Coro::PRIO_MAX);	3723	})->prio (Coro::PRIO_MAX);
3034	};	3724	};
3035		3725
		3726	evthread_start IO::AIO::poll_fileno;
		3727
		3728	cf::sync_job {
		3729	cf::incloader::init ();
		3730
		3731	cf::init_anim;
		3732	cf::init_attackmess;
		3733	cf::init_dynamic;
		3734
		3735	cf::load_settings;
		3736
		3737	reload_resources;
3036	reload_config;	3738	reload_config;
3037	db_init;	3739	db_init;
		3740
		3741	cf::init_uuid;
		3742	cf::init_signals;
		3743	cf::init_skills;
		3744
		3745	cf::init_beforeplay;
		3746
		3747	atomic;
		3748
3038	load_extensions;	3749	load_extensions;
3039		3750
3040	$TICK_WATCHER->start;	3751	utime time, time, $RUNTIMEFILE;
3041	Event::loop;	3752
		3753	# no (long-running) fork's whatsoever before this point(!)
		3754	use POSIX ();
		3755	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3756
		3757	cf::_post_init 0;
		3758	};
		3759
		3760	cf::object::thawer::errors_are_fatal 0;
		3761	info "parse errors in files are no longer fatal from this point on.\n";
		3762
		3763	AE::postpone {
		3764	undef &main; # free gobs of memory :)
		3765	};
		3766
		3767	goto &main_loop;
3042	}	3768	}
3043		3769
3044	#############################################################################	3770	#############################################################################
3045	# initialisation and cleanup	3771	# initialisation and cleanup
3046		3772
3047	# install some emergency cleanup handlers	3773	# install some emergency cleanup handlers
3048	BEGIN {	3774	BEGIN {
		3775	our %SIGWATCHER = ();
3049	for my $signal (qw(INT HUP TERM)) {	3776	for my $signal (qw(INT HUP TERM)) {
3050	Event->signal (	3777	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3051	reentrant => 0,
3052	data => WF_AUTOCANCEL,
3053	signal => $signal,
3054	prio => 0,
3055	cb => sub {
3056	cf::cleanup "SIG$signal";	3778	cf::cleanup "SIG$signal";
3057	},
3058	);	3779	};
3059	}	3780	}
3060	}	3781	}
3061		3782
3062	sub write_runtime {	3783	sub write_runtime_sync {
3063	my $runtime = "$LOCALDIR/runtime";	3784	my $t0 = AE::time;
3064		3785
3065	# first touch the runtime file to show we are still running:	3786	# first touch the runtime file to show we are still running:
3066	# the fsync below can take a very very long time.	3787	# the fsync below can take a very very long time.
3067		3788
3068	IO::AIO::aio_utime $runtime, undef, undef;	3789	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3069		3790
3070	my $guard = cf::lock_acquire "write_runtime";	3791	my $guard = cf::lock_acquire "write_runtime";
3071		3792
3072	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3793	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3073	or return;	3794	or return;
3074		3795
3075	my $value = $cf::RUNTIME + 90 + 10;	3796	my $value = $cf::RUNTIME + 90 + 10;
3076	# 10 is the runtime save interval, for a monotonic clock	3797	# 10 is the runtime save interval, for a monotonic clock
3077	# 60 allows for the watchdog to kill the server.	3798	# 60 allows for the watchdog to kill the server.
…		…
3087	aio_utime $fh, undef, undef;	3808	aio_utime $fh, undef, undef;
3088		3809
3089	close $fh	3810	close $fh
3090	or return;	3811	or return;
3091		3812
3092	aio_rename "$runtime~", $runtime	3813	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3093	and return;	3814	and return;
3094		3815
3095	warn "runtime file written.\n";	3816	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3096		3817
3097	1	3818	1
		3819	}
		3820
		3821	our $uuid_lock;
		3822	our $uuid_skip;
		3823
		3824	sub write_uuid_sync($) {
		3825	$uuid_skip ||= $_[0];
		3826
		3827	return if $uuid_lock;
		3828	local $uuid_lock = 1;
		3829
		3830	my $uuid = "$LOCALDIR/uuid";
		3831
		3832	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3833	or return;
		3834
		3835	my $value = uuid_seq uuid_cur;
		3836
		3837	unless ($value) {
		3838	info "cowardly refusing to write zero uuid value!\n";
		3839	return;
		3840	}
		3841
		3842	my $value = uuid_str $value + $uuid_skip;
		3843	$uuid_skip = 0;
		3844
		3845	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3846	and return;
		3847
		3848	# always fsync - this file is important
		3849	aio_fsync $fh
		3850	and return;
		3851
		3852	close $fh
		3853	or return;
		3854
		3855	aio_rename "$uuid~", $uuid
		3856	and return;
		3857
		3858	trace "uuid file written ($value).\n";
		3859
		3860	1
		3861
		3862	}
		3863
		3864	sub write_uuid($$) {
		3865	my ($skip, $sync) = @_;
		3866
		3867	$sync ? write_uuid_sync $skip
		3868	: async { write_uuid_sync $skip };
3098	}	3869	}
3099		3870
3100	sub emergency_save() {	3871	sub emergency_save() {
3101	my $freeze_guard = cf::freeze_mainloop;	3872	my $freeze_guard = cf::freeze_mainloop;
3102		3873
3103	warn "enter emergency perl save\n";	3874	info "emergency_perl_save: enter\n";
		3875
		3876	# this is a trade-off: we want to be very quick here, so
		3877	# save all maps without fsync, and later call a global sync
		3878	# (which in turn might be very very slow)
		3879	local $USE_FSYNC = 0;
3104		3880
3105	cf::sync_job {	3881	cf::sync_job {
		3882	cf::write_runtime_sync; # external watchdog should not bark
		3883
3106	# use a peculiar iteration method to avoid tripping on perl	3884	# use a peculiar iteration method to avoid tripping on perl
3107	# refcount bugs in for. also avoids problems with players	3885	# refcount bugs in for. also avoids problems with players
3108	# and maps saved/destroyed asynchronously.	3886	# and maps saved/destroyed asynchronously.
3109	warn "begin emergency player save\n";	3887	info "emergency_perl_save: begin player save\n";
3110	for my $login (keys %cf::PLAYER) {	3888	for my $login (keys %cf::PLAYER) {
3111	my $pl = $cf::PLAYER{$login} or next;	3889	my $pl = $cf::PLAYER{$login} or next;
3112	$pl->valid or next;	3890	$pl->valid or next;
		3891	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3113	$pl->save;	3892	$pl->save;
3114	}	3893	}
3115	warn "end emergency player save\n";	3894	info "emergency_perl_save: end player save\n";
3116		3895
3117	warn "begin emergency map save\n";	3896	cf::write_runtime_sync; # external watchdog should not bark
		3897
		3898	info "emergency_perl_save: begin map save\n";
3118	for my $path (keys %cf::MAP) {	3899	for my $path (keys %cf::MAP) {
3119	my $map = $cf::MAP{$path} or next;	3900	my $map = $cf::MAP{$path} or next;
3120	$map->valid or next;	3901	$map->valid or next;
3121	$map->save;	3902	$map->save;
3122	}	3903	}
3123	warn "end emergency map save\n";	3904	info "emergency_perl_save: end map save\n";
3124		3905
3125	warn "begin emergency database checkpoint\n";	3906	cf::write_runtime_sync; # external watchdog should not bark
		3907
		3908	info "emergency_perl_save: begin database checkpoint\n";
3126	BDB::db_env_txn_checkpoint $DB_ENV;	3909	BDB::db_env_txn_checkpoint $DB_ENV;
3127	warn "end emergency database checkpoint\n";	3910	info "emergency_perl_save: end database checkpoint\n";
		3911
		3912	info "emergency_perl_save: begin write uuid\n";
		3913	write_uuid_sync 1;
		3914	info "emergency_perl_save: end write uuid\n";
		3915
		3916	cf::write_runtime_sync; # external watchdog should not bark
		3917
		3918	trace "emergency_perl_save: syncing database to disk";
		3919	BDB::db_env_txn_checkpoint $DB_ENV;
		3920
		3921	info "emergency_perl_save: starting sync\n";
		3922	IO::AIO::aio_sync sub {
		3923	info "emergency_perl_save: finished sync\n";
		3924	};
		3925
		3926	cf::write_runtime_sync; # external watchdog should not bark
		3927
		3928	trace "emergency_perl_save: flushing outstanding aio requests";
		3929	while (IO::AIO::nreqs || BDB::nreqs) {
		3930	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3931	}
		3932
		3933	cf::write_runtime_sync; # external watchdog should not bark
3128	};	3934	};
3129		3935
3130	warn "leave emergency perl save\n";	3936	info "emergency_perl_save: leave\n";
3131	}	3937	}
3132		3938
3133	sub post_cleanup {	3939	sub post_cleanup {
3134	my ($make_core) = @_;	3940	my ($make_core) = @_;
3135		3941
		3942	IO::AIO::flush;
		3943
3136	warn Carp::longmess "post_cleanup backtrace"	3944	error Carp::longmess "post_cleanup backtrace"
3137	if $make_core;	3945	if $make_core;
		3946
		3947	my $fh = pidfile;
		3948	unlink $PIDFILE if <$fh> == $$;
		3949	}
		3950
		3951	# a safer delete_package, copied from Symbol
		3952	sub clear_package($) {
		3953	my $pkg = shift;
		3954
		3955	# expand to full symbol table name if needed
		3956	unless ($pkg =~ /^main::.*::$/) {
		3957	$pkg = "main$pkg" if $pkg =~ /^::/;
		3958	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3959	$pkg .= '::' unless $pkg =~ /::$/;
		3960	}
		3961
		3962	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3963	my $stem_symtab = *{$stem}{HASH};
		3964
		3965	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3966	or return;
		3967
		3968	# clear all symbols
		3969	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3970	for my $name (keys %$leaf_symtab) {
		3971	_gv_clear *{"$pkg$name"};
		3972	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3973	}
3138	}	3974	}
3139		3975
3140	sub do_reload_perl() {	3976	sub do_reload_perl() {
3141	# can/must only be called in main	3977	# can/must only be called in main
3142	if ($Coro::current != $Coro::main) {	3978	unless (in_main) {
3143	warn "can only reload from main coroutine";	3979	error "can only reload from main coroutine";
3144	return;	3980	return;
3145	}	3981	}
3146		3982
3147	warn "reloading...";	3983	return if $RELOAD++;
3148		3984
3149	warn "entering sync_job";	3985	my $t1 = AE::time;
3150		3986
		3987	while ($RELOAD) {
		3988	cf::get_slot 0.1, -1, "reload_perl";
		3989	info "perl_reload: reloading...";
		3990
		3991	trace "perl_reload: entering sync_job";
		3992
3151	cf::sync_job {	3993	cf::sync_job {
3152	cf::write_runtime; # external watchdog should not bark
3153	cf::emergency_save;	3994	#cf::emergency_save;
3154	cf::write_runtime; # external watchdog should not bark
3155		3995
3156	warn "syncing database to disk";
3157	BDB::db_env_txn_checkpoint $DB_ENV;
3158
3159	# if anything goes wrong in here, we should simply crash as we already saved
3160
3161	warn "cancelling all WF_AUTOCANCEL watchers";
3162	for (Event::all_watchers) {
3163	$_->cancel if $_->data & WF_AUTOCANCEL;
3164	}
3165
3166	warn "flushing outstanding aio requests";
3167	for (;;) {
3168	BDB::flush;
3169	IO::AIO::flush;
3170	Coro::cede;
3171	last unless IO::AIO::nreqs || BDB::nreqs;
3172	warn "iterate...";
3173	}
3174
3175	++$RELOAD;
3176
3177	warn "cancelling all extension coros";	3996	trace "perl_reload: cancelling all extension coros";
3178	$_->cancel for values %EXT_CORO;	3997	$_->cancel for values %EXT_CORO;
3179	%EXT_CORO = ();	3998	%EXT_CORO = ();
3180		3999
3181	warn "removing commands";	4000	trace "perl_reload: removing commands";
3182	%COMMAND = ();	4001	%COMMAND = ();
3183		4002
3184	warn "removing ext/exti commands";	4003	trace "perl_reload: removing ext/exti commands";
3185	%EXTCMD = ();	4004	%EXTCMD = ();
3186	%EXTICMD = ();	4005	%EXTICMD = ();
3187		4006
3188	warn "unloading/nuking all extensions";	4007	trace "perl_reload: unloading/nuking all extensions";
3189	for my $pkg (@EXTS) {	4008	for my $pkg (@EXTS) {
3190	warn "... unloading $pkg";	4009	trace "... unloading $pkg";
3191		4010
3192	if (my $cb = $pkg->can ("unload")) {	4011	if (my $cb = $pkg->can ("unload")) {
3193	eval {	4012	eval {
3194	$cb->($pkg);	4013	$cb->($pkg);
3195	1	4014	1
3196	} or warn "$pkg unloaded, but with errors: $@";	4015	} or error "$pkg unloaded, but with errors: $@";
		4016	}
		4017
		4018	trace "... clearing $pkg";
		4019	clear_package $pkg;
3197	}	4020	}
3198		4021
3199	warn "... nuking $pkg";
3200	Symbol::delete_package $pkg;
3201	}
3202
3203	warn "unloading all perl modules loaded from $LIBDIR";	4022	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3204	while (my ($k, $v) = each %INC) {	4023	while (my ($k, $v) = each %INC) {
3205	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4024	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3206		4025
3207	warn "... unloading $k";	4026	trace "... unloading $k";
3208	delete $INC{$k};	4027	delete $INC{$k};
3209		4028
3210	$k =~ s/\.pm$//;	4029	$k =~ s/\.pm$//;
3211	$k =~ s/\//::/g;	4030	$k =~ s/\//::/g;
3212		4031
3213	if (my $cb = $k->can ("unload_module")) {	4032	if (my $cb = $k->can ("unload_module")) {
3214	$cb->();	4033	$cb->();
		4034	}
		4035
		4036	clear_package $k;
3215	}	4037	}
3216		4038
3217	Symbol::delete_package $k;
3218	}
3219
3220	warn "getting rid of safe::, as good as possible";	4039	trace "perl_reload: getting rid of safe::, as good as possible";
3221	Symbol::delete_package "safe::$_"	4040	clear_package "safe::$_"
3222	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4041	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3223		4042
3224	warn "unloading cf.pm \"a bit\"";	4043	trace "perl_reload: unloading cf.pm \"a bit\"";
3225	delete $INC{"cf.pm"};	4044	delete $INC{"cf.pm"};
3226	delete $INC{"cf/pod.pm"};	4045	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3227		4046
3228	# don't, removes xs symbols, too,	4047	# don't, removes xs symbols, too,
3229	# and global variables created in xs	4048	# and global variables created in xs
3230	#Symbol::delete_package __PACKAGE__;	4049	#clear_package __PACKAGE__;
3231		4050
3232	warn "unload completed, starting to reload now";	4051	info "perl_reload: unload completed, starting to reload now";
3233		4052
3234	warn "reloading cf.pm";	4053	trace "perl_reload: reloading cf.pm";
3235	require cf;	4054	require cf;
3236	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4055	cf::_connect_to_perl_1;
3237		4056
3238	warn "loading config and database again";	4057	trace "perl_reload: loading config and database again";
3239	cf::reload_config;	4058	cf::reload_config;
3240		4059
3241	warn "loading extensions";	4060	trace "perl_reload: loading extensions";
3242	cf::load_extensions;	4061	cf::load_extensions;
3243		4062
		4063	if ($REATTACH_ON_RELOAD) {
3244	warn "reattaching attachments to objects/players";	4064	trace "perl_reload: reattaching attachments to objects/players";
3245	_global_reattach; # objects, sockets	4065	_global_reattach; # objects, sockets
3246	warn "reattaching attachments to maps";	4066	trace "perl_reload: reattaching attachments to maps";
3247	reattach $_ for values %MAP;	4067	reattach $_ for values %MAP;
3248	warn "reattaching attachments to players";	4068	trace "perl_reload: reattaching attachments to players";
3249	reattach $_ for values %PLAYER;	4069	reattach $_ for values %PLAYER;
		4070	}
3250		4071
3251	warn "leaving sync_job";	4072	cf::_post_init 1;
3252		4073
		4074	trace "perl_reload: leaving sync_job";
		4075
3253	1	4076	1
3254	} or do {	4077	} or do {
3255	warn $@;	4078	error $@;
3256	warn "error while reloading, exiting.";	4079	cf::cleanup "perl_reload: error, exiting.";
3257	exit 1;	4080	};
		4081
		4082	--$RELOAD;
3258	};	4083	}
3259		4084
3260	warn "reloaded";	4085	$t1 = AE::time - $t1;
		4086	info "perl_reload: completed in ${t1}s\n";
3261	};	4087	};
3262		4088
3263	our $RELOAD_WATCHER; # used only during reload	4089	our $RELOAD_WATCHER; # used only during reload
3264		4090
3265	sub reload_perl() {	4091	sub reload_perl() {
3266	# doing reload synchronously and two reloads happen back-to-back,	4092	# doing reload synchronously and two reloads happen back-to-back,
3267	# coro crashes during coro_state_free->destroy here.	4093	# coro crashes during coro_state_free->destroy here.
3268		4094
3269	$RELOAD_WATCHER ||= Event->timer (	4095	$RELOAD_WATCHER ||= cf::async {
3270	reentrant => 0,	4096	Coro::AIO::aio_wait cache_extensions;
3271	after => 0,	4097
3272	data => WF_AUTOCANCEL,	4098	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3273	cb => sub {
3274	do_reload_perl;	4099	do_reload_perl;
3275	undef $RELOAD_WATCHER;	4100	undef $RELOAD_WATCHER;
3276	},	4101	};
3277	);	4102	};
3278	}	4103	}
3279		4104
3280	register_command "reload" => sub {	4105	register_command "reload" => sub {
3281	my ($who, $arg) = @_;	4106	my ($who, $arg) = @_;
3282		4107
3283	if ($who->flag (FLAG_WIZ)) {	4108	if ($who->flag (FLAG_WIZ)) {
3284	$who->message ("reloading server.");	4109	$who->message ("reloading server.");
		4110	async {
		4111	$Coro::current->{desc} = "perl_reload";
3285	async { reload_perl };	4112	reload_perl;
		4113	};
3286	}	4114	}
3287	};	4115	};
3288		4116
3289	unshift @INC, $LIBDIR;	4117	#############################################################################
3290		4118
3291	my $bug_warning = 0;	4119	my $bug_warning = 0;
3292		4120
3293	our @WAIT_FOR_TICK;
3294	our @WAIT_FOR_TICK_BEGIN;
3295
3296	sub wait_for_tick {	4121	sub wait_for_tick() {
3297	return unless $TICK_WATCHER->is_active;	4122	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3298	return if $Coro::current == $Coro::main;
3299		4123
3300	my $signal = new Coro::Signal;	4124	$WAIT_FOR_TICK->wait;
3301	push @WAIT_FOR_TICK, $signal;
3302	$signal->wait;
3303	}	4125	}
3304		4126
3305	sub wait_for_tick_begin {	4127	sub wait_for_tick_begin() {
3306	return unless $TICK_WATCHER->is_active;	4128	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3307	return if $Coro::current == $Coro::main;
3308		4129
3309	my $signal = new Coro::Signal;	4130	my $signal = new Coro::Signal;
3310	push @WAIT_FOR_TICK_BEGIN, $signal;	4131	push @WAIT_FOR_TICK_BEGIN, $signal;
3311	$signal->wait;	4132	$signal->wait;
3312	}	4133	}
3313		4134
3314	my $min = 1e6;#d#	4135	sub tick {
3315	my $avg = 10;
3316	$TICK_WATCHER = Event->timer (
3317	reentrant => 0,
3318	parked => 1,
3319	prio => 0,
3320	at => $NEXT_TICK || $TICK,
3321	data => WF_AUTOCANCEL,
3322	cb => sub {
3323	if ($Coro::current != $Coro::main) {	4136	if ($Coro::current != $Coro::main) {
3324	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4137	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3325	unless ++$bug_warning > 10;	4138	unless ++$bug_warning > 10;
3326	return;	4139	return;
3327	}	4140	}
3328		4141
3329	$NOW = $tick_start = Event::time;	4142	cf::one_tick; # one server iteration
3330		4143
3331	cf::server_tick; # one server iteration	4144	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3332		4145
3333	0 && sync_job {#d#	4146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3334	for(1..10) {	4147	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3335	my $t = Event::time;	4148	Coro::async_pool {
3336	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4149	$Coro::current->{desc} = "runtime saver";
3337	or die;	4150	write_runtime_sync
3338		4151	or error "ERROR: unable to write runtime file: $!";
3339	$map->width (50);
3340	$map->height (50);
3341	$map->alloc;
3342	$map->_load_objects ("/tmp/x.map", 1);
3343	my $t = Event::time - $t;
3344
3345	#next unless $t < 0.0013;#d#
3346	if ($t < $min) {
3347	$min = $t;
3348	}
3349	$avg = $avg * 0.99 + $t * 0.01;
3350	}
3351	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3352	exit 0;
3353	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3354	};	4152	};
		4153	}
3355		4154
3356	$RUNTIME += $TICK;
3357	$NEXT_TICK += $TICK;
3358
3359	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3360	$NEXT_RUNTIME_WRITE = $NOW + 10;
3361	Coro::async_pool {
3362	write_runtime
3363	or warn "ERROR: unable to write runtime file: $!";
3364	};
3365	}
3366
3367	# my $AFTER = Event::time;
3368	# warn $AFTER - $NOW;#d#
3369
3370	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4155	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3371	$sig->send;	4156	$sig->send;
3372	}	4157	}
3373	while (my $sig = shift @WAIT_FOR_TICK) {	4158	$WAIT_FOR_TICK->broadcast;
3374	$sig->send;
3375	}
3376		4159
3377	$NOW = Event::time;	4160	$LOAD = ($NOW - $TICK_START) / $TICK;
3378
3379	# if we are delayed by four ticks or more, skip them all
3380	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3381
3382	$TICK_WATCHER->at ($NEXT_TICK);
3383	$TICK_WATCHER->start;
3384
3385	$LOAD = ($NOW - $tick_start) / $TICK;
3386	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4161	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3387		4162
3388	_post_tick;	4163	if (0) {
3389		4164	if ($NEXT_TICK) {
3390		4165	my $jitter = $TICK_START - $NEXT_TICK;
		4166	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4167	debug "jitter $JITTER\n";#d#
		4168	}
3391	},	4169	}
3392	);	4170	}
3393		4171
3394	{	4172	{
3395	BDB::max_poll_time $TICK * 0.1;	4173	# configure BDB
3396	$BDB_POLL_WATCHER = Event->io (	4174
3397	reentrant => 0,
3398	fd => BDB::poll_fileno,
3399	poll => 'r',
3400	prio => 0,
3401	data => WF_AUTOCANCEL,
3402	cb => \&BDB::poll_cb,
3403	);
3404	BDB::min_parallel 8;	4175	BDB::min_parallel 16;
3405		4176	BDB::max_poll_reqs $TICK * 0.1;
3406	BDB::set_sync_prepare {	4177	#$AnyEvent::BDB::WATCHER->priority (1);
3407	my $status;
3408	my $current = $Coro::current;
3409	(
3410	sub {
3411	$status = $!;
3412	$current->ready; undef $current;
3413	},
3414	sub {
3415	Coro::schedule while defined $current;
3416	$! = $status;
3417	},
3418	)
3419	};
3420		4178
3421	unless ($DB_ENV) {	4179	unless ($DB_ENV) {
3422	$DB_ENV = BDB::db_env_create;	4180	$DB_ENV = BDB::db_env_create;
		4181	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4182	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4183	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4184	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4185	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3423		4186
3424	cf::sync_job {	4187	cf::sync_job {
3425	eval {	4188	eval {
3426	BDB::db_env_open	4189	BDB::db_env_open
3427	$DB_ENV,	4190	$DB_ENV,
…		…
3429	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4192	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3430	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4193	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3431	0666;	4194	0666;
3432		4195
3433	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4196	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3434
3435	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3436	$DB_ENV->set_lk_detect;
3437	};	4197	};
3438		4198
3439	cf::cleanup "db_env_open(db): $@" if $@;	4199	cf::cleanup "db_env_open(db): $@" if $@;
3440	};	4200	};
3441	}	4201	}
		4202
		4203	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4204	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4205	};
		4206	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4207	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4208	};
		4209	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4210	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4211	};
3442	}	4212	}
3443		4213
3444	{	4214	{
		4215	# configure IO::AIO
		4216
3445	IO::AIO::min_parallel 8;	4217	IO::AIO::min_parallel 8;
3446
3447	undef $Coro::AIO::WATCHER;
3448	IO::AIO::max_poll_time $TICK * 0.1;	4218	IO::AIO::max_poll_time $TICK * 0.1;
3449	$AIO_POLL_WATCHER = Event->io (	4219	undef $AnyEvent::AIO::WATCHER;
3450	reentrant => 0,
3451	data => WF_AUTOCANCEL,
3452	fd => IO::AIO::poll_fileno,
3453	poll => 'r',
3454	prio => 6,
3455	cb => \&IO::AIO::poll_cb,
3456	);
3457	}	4220	}
3458		4221
3459	my $_log_backtrace;	4222	our $_log_backtrace;
		4223	our $_log_backtrace_last;
3460		4224
3461	sub _log_backtrace {	4225	sub _log_backtrace {
3462	my ($msg, @addr) = @_;	4226	my ($msg, @addr) = @_;
3463		4227
3464	$msg =~ s/\n//;	4228	$msg =~ s/\n$//;
3465		4229
		4230	if ($_log_backtrace_last eq $msg) {
		4231	LOG llevInfo, "[ABT] $msg\n";
		4232	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3466	# limit the # of concurrent backtraces	4233	# limit the # of concurrent backtraces
3467	if ($_log_backtrace < 2) {	4234	} elsif ($_log_backtrace < 2) {
		4235	$_log_backtrace_last = $msg;
3468	++$_log_backtrace;	4236	++$_log_backtrace;
		4237	my $perl_bt = Carp::longmess $msg;
3469	async {	4238	async {
		4239	$Coro::current->{desc} = "abt $msg";
		4240
3470	my @bt = fork_call {	4241	my @bt = fork_call {
3471	@addr = map { sprintf "%x", $_ } @addr;	4242	@addr = map { sprintf "%x", $_ } @addr;
3472	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4243	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3473	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4244	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3474	or die "addr2line: $!";	4245	or die "addr2line: $!";
…		…
3482	}	4253	}
3483		4254
3484	@funcs	4255	@funcs
3485	};	4256	};
3486		4257
3487	LOG llevInfo, "[ABT] $msg\n";	4258	LOG llevInfo, "[ABT] $perl_bt\n";
		4259	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3488	LOG llevInfo, "[ABT] $_\n" for @bt;	4260	LOG llevInfo, "[ABT] $_\n" for @bt;
3489	--$_log_backtrace;	4261	--$_log_backtrace;
3490	};	4262	};
3491	} else {	4263	} else {
3492	LOG llevInfo, "[ABT] $msg\n";	4264	LOG llevInfo, "[ABT] $msg\n";
3493	LOG llevInfo, "[ABT] [suppressed]\n";	4265	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3494	}	4266	}
3495	}	4267	}
3496		4268
3497	# load additional modules	4269	# load additional modules
3498	use cf::pod;	4270	require "cf/$_.pm" for @EXTRA_MODULES;
		4271	cf::_connect_to_perl_2;
3499		4272
3500	END { cf::emergency_save }	4273	END { cf::emergency_save }
3501		4274
3502	1	4275	1
3503		4276

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