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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.342 by root, Sun Aug 26 15:31:02 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 1.4 ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.32 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		75
43	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
44		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		78
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
54		85
55	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
65	our $DATADIR = datadir;	99	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
69	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	#our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
75		120
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	123	our $NEXT_TICK;
		124	our $USE_FSYNC = 1; # use fsync to write maps - default on
		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
		128	our $BDB_TRICKLE_WATCHER;
		129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
		133	our %CFG;
		134
		135	our $UPTIME; $UPTIME ||= time;
		136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
81	our $NOW;	138	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		139
84	our $BDB_POLL_WATCHER;	140	our (%PLAYER, %PLAYER_LOADING); # all users
85	our $DB_ENV;	141	our (%MAP, %MAP_LOADING ); # all maps
86
87	our %CFG;
88
89	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;
91
92	our %PLAYER; # all users
93	our %MAP; # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
95		143
96	# used to convert map paths into valid unix filenames by replacing / by ∕	144	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		146
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	147	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	150	our $TICK_START; # for load detecting purposes
		151
		152	our @POST_INIT;
		153
		154	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		155	our $REALLY_UNLOOP; # never set to true, please :)
		156
		157	our $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
102		159
103	binmode STDOUT;	160	binmode STDOUT;
104	binmode STDERR;	161	binmode STDERR;
105		162
106	# read virtual server time, if available	163	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
111	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
112		171
113	mkdir $_	172	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		174
116	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
117		176
118	sub cf::map::normalise;	177	sub cf::map::normalise;
119		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
120	#############################################################################	183	#############################################################################
121		184
		185	%REFLECT = ();
		186	for (@REFLECT) {
		187	my $reflect = JSON::XS::decode_json $_;
		188	$REFLECT{$reflect->{class}} = $reflect;
		189	}
		190
		191	# this is decidedly evil
		192	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		193
		194	#############################################################################
		195
122	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
123		197
124	=over 4	198	=over 4
125		199
126	=item $cf::UPTIME	200	=item $cf::UPTIME
127		201
128	The timestamp of the server start (so not actually an uptime).	202	The timestamp of the server start (so not actually an "uptime").
		203
		204	=item $cf::SERVER_TICK
		205
		206	An unsigned integer that starts at zero when the server is started and is
		207	incremented on every tick.
		208
		209	=item $cf::NOW
		210
		211	The (real) time of the last (current) server tick - updated before and
		212	after tick processing, so this is useful only as a rough "what time is it
		213	now" estimate.
		214
		215	=item $cf::TICK
		216
		217	The interval between each server tick, in seconds.
129		218
130	=item $cf::RUNTIME	219	=item $cf::RUNTIME
131		220
132	The time this server has run, starts at 0 and is increased by $cf::TICK on	221	The time this server has run, starts at 0 and is increased by $cf::TICK on
133	every server tick.	222	every server tick.
…		…
139	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
141	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
142	database environment.	231	database environment.
143		232
144	=item $cf::NOW
145
146	The time of the last (current) server tick.
147
148	=item $cf::TICK
149
150	The interval between server ticks, in seconds.
151
152	=item $cf::LOADAVG	233	=item $cf::LOADAVG
153		234
154	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
155	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
156	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
159		240
160	The raw value load value from the last tick.	241	The raw value load value from the last tick.
161		242
162	=item %cf::CFG	243	=item %cf::CFG
163		244
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	246	from wherever your confdir points to.
166		247
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		249
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
170	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
172		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$cf::WAIT_FOR_TICK>).
		258
		259	=item $cf::WAIT_FOR_TICK
		260
		261	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		262	variable contains a L<Coro::Signal> that is broadcats after every server
		263	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		264	next server tick.
		265
		266	=cut
		267
		268	sub wait_for_tick();
		269	sub wait_for_tick_begin();
		270
173	=item @cf::INVOKE_RESULTS	271	=item @cf::INVOKE_RESULTS
174		272
175	This array contains the results of the last C<invoke ()> call. When	273	This array contains the results of the last C<invoke ()> call. When
176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	274	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	275	that call.
178		276
		277	=item %cf::REFLECT
		278
		279	Contains, for each (C++) class name, a hash reference with information
		280	about object members (methods, scalars, arrays and flags) and other
		281	metadata, which is useful for introspection.
		282
179	=back	283	=back
180		284
181	=cut	285	=cut
182		286
183	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
184	*CORE::GLOBAL::warn = sub {	288	sub warn (@) { LOG llevWarn , join "", @_ }
		289	sub info (@) { LOG llevInfo , join "", @_ }
		290	sub debug(@) { LOG llevDebug, join "", @_ }
		291	sub trace(@) { LOG llevTrace, join "", @_ }
		292
		293	$Coro::State::WARNHOOK = sub {
185	my $msg = join "", @_;	294	my $msg = join "", @_;
186		295
187	$msg .= "\n"	296	$msg .= "\n"
188	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
189		298
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		300
192	utf8::encode $msg;
193	LOG llevError, $msg;	301	LOG llevWarn, $msg;
194	};	302	};
195	}	303
		304	$Coro::State::DIEHOOK = sub {
		305	return unless $^S eq 0; # "eq", not "=="
		306
		307	error Carp::longmess $_[0];
		308
		309	if (in_main) {#d#
		310	error "DIEHOOK called in main context, Coro bug?\n";#d#
		311	return;#d#
		312	}#d#
		313
		314	# kill coroutine otherwise
		315	Coro::terminate
		316	};
196		317
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	328	for my $pkg (qw(
208	cf::global cf::attachable	329	cf::global cf::attachable
209	cf::object cf::object::player	330	cf::object cf::object::player
210	cf::client cf::player	331	cf::client cf::player
211	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
212	cf::map cf::party cf::region	334	cf::party cf::region
213	)) {	335	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	337	}
217		338
218	$Event::DIED = sub {	339	$EV::DIED = sub {
219	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
220	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
221		347
222	#############################################################################	348	#############################################################################
223		349
224	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
225		351
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	372	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	373	$d
248	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
249	}	375	}
250		376
		377	=item $scalar = cf::load_file $path
		378
		379	Loads the given file from path and returns its contents. Croaks on error
		380	and can block.
		381
		382	=cut
		383
		384	sub load_file($) {
		385	0 <= aio_load $_[0], my $data
		386	or Carp::croak "$_[0]: $!";
		387
		388	$data
		389	}
		390
		391	=item $success = cf::replace_file $path, $data, $sync
		392
		393	Atomically replaces the file at the given $path with new $data, and
		394	optionally $sync the data to disk before replacing the file.
		395
		396	=cut
		397
		398	sub replace_file($$;$) {
		399	my ($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
		517	Locks are *not* recursive, locking from the same coro twice results in a
		518	deadlocked coro.
		519
277	Lock names should begin with a unique identifier (for example, cf::map::find	520	Lock names should begin with a unique identifier (for example, cf::map::find
278	uses map_find and cf::map::load uses map_load).	521	uses map_find and cf::map::load uses map_load).
279		522
280	=item $locked = cf::lock_active $string	523	=item $locked = cf::lock_active $string
281		524
282	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.
283		526
284	=cut	527	=cut
285		528
286	our %LOCK;	529	our $LOCKS = new Coro::SemaphoreSet;
287		530
288	sub lock_wait($) {	531	sub lock_wait($) {
289	my ($key) = @_;	532	$LOCKS->wait ($_[0]);
290
291	# wait for lock, if any
292	while ($LOCK{$key}) {
293	push @{ $LOCK{$key} }, $Coro::current;
294	Coro::schedule;
295	}
296	}	533	}
297		534
298	sub lock_acquire($) {	535	sub lock_acquire($) {
299	my ($key) = @_;	536	$LOCKS->guard ($_[0])
300
301	# wait, to be sure we are not locked
302	lock_wait $key;
303
304	$LOCK{$key} = [];
305
306	Coro::guard {
307	# wake up all waiters, to be on the safe side
308	$_->ready for @{ delete $LOCK{$key} };
309	}
310	}	537	}
311		538
312	sub lock_active($) {	539	sub lock_active($) {
313	my ($key) = @_;	540	$LOCKS->count ($_[0]) < 1
314
315	! ! $LOCK{$key}
316	}	541	}
317		542
318	sub freeze_mainloop {	543	sub freeze_mainloop {
319	return unless $TICK_WATCHER->is_active;	544	tick_inhibit_inc;
320		545
321	my $guard = Coro::guard {	546	&Guard::guard (\&tick_inhibit_dec);
322	$TICK_WATCHER->start;	547	}
323	};	548
324	$TICK_WATCHER->stop;	549	=item cf::periodic $interval, $cb
325	$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
326	}	562	}
327		563
328	=item cf::get_slot $time[, $priority[, $name]]	564	=item cf::get_slot $time[, $priority[, $name]]
329		565
330	Allocate $time seconds of blocking CPU time at priority C<$priority>:	566	Allocate $time seconds of blocking CPU time at priority C<$priority>
331	This call blocks and returns only when you have at least C<$time> seconds	567	(default: 0): This call blocks and returns only when you have at least
332	of cpu time till the next tick. The slot is only valid till the next cede.	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.
333		573
334	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
335	used for statistical purposes and should identify the same time-class.	575	used for statistical purposes and should identify the same time-class.
336		576
337	Useful for short background jobs.	577	Useful for short background jobs.
338		578
339	=cut	579	=cut
340		580
341	our @SLOT_QUEUE;	581	our @SLOT_QUEUE;
342	our $SLOT_QUEUE;	582	our $SLOT_QUEUE;
		583	our $SLOT_DECAY = 0.9;
343		584
344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	585	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345	$SLOT_QUEUE = Coro::async {	586	$SLOT_QUEUE = Coro::async {
		587	$Coro::current->desc ("timeslot manager");
		588
346	my $signal = new Coro::Signal;	589	my $signal = new Coro::Signal;
		590	my $busy;
347		591
348	while () {	592	while () {
349	next_job:	593	next_job:
		594
350	my $avail = cf::till_tick;	595	my $avail = cf::till_tick;
351	if ($avail > 0.01) {	596
352	for (0 .. $#SLOT_QUEUE) {	597	for (0 .. $#SLOT_QUEUE) {
353	if ($SLOT_QUEUE[$_][0] < $avail) {	598	if ($SLOT_QUEUE[$_][0] <= $avail) {
		599	$busy = 0;
354	my $job = splice @SLOT_QUEUE, $_, 1, ();	600	my $job = splice @SLOT_QUEUE, $_, 1, ();
355	$job->[2]->send;	601	$job->[2]->send;
356	Coro::cede;	602	Coro::cede;
357	goto next_job;	603	goto next_job;
358	}	604	} else {
		605	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
359	}	606	}
360	}	607	}
361		608
362	if (@SLOT_QUEUE) {	609	if (@SLOT_QUEUE) {
363	# 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
364	push @cf::WAIT_FOR_TICK, $signal;	611	$WAIT_FOR_TICK->wait;
365	$signal->wait;
366	} else {	612	} else {
		613	$busy = 0;
367	Coro::schedule;	614	Coro::schedule;
368	}	615	}
369	}	616	}
370	};	617	};
371		618
372	sub get_slot($;$$) {	619	sub get_slot($;$$) {
		620	return if tick_inhibit || $Coro::current == $Coro::main;
		621
373	my ($time, $pri, $name) = @_;	622	my ($time, $pri, $name) = @_;
374		623
375	$time = $TICK * .6 if $time > $TICK * .6;	624	$time = clamp $time, 0.01, $TICK * .6;
		625
376	my $sig = new Coro::Signal;	626	my $sig = new Coro::Signal;
377		627
378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	628	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	629	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
380	$SLOT_QUEUE->ready;	630	$SLOT_QUEUE->ready;
…		…
391		641
392	BEGIN { *async = \&Coro::async_pool }	642	BEGIN { *async = \&Coro::async_pool }
393		643
394	=item cf::sync_job { BLOCK }	644	=item cf::sync_job { BLOCK }
395		645
396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	646	The design of Deliantra requires that the main coroutine ($Coro::main)
397	is always able to handle events or runnable, as Crossfire TRT is only	647	is always able to handle events or runnable, as Deliantra is only
398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	648	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
399	acceptable.	649	acceptable.
400		650
401	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
402	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
…		…
406	=cut	656	=cut
407		657
408	sub sync_job(&) {	658	sub sync_job(&) {
409	my ($job) = @_;	659	my ($job) = @_;
410		660
411	if ($Coro::current == $Coro::main) {	661	if (in_main) {
412	my $time = Event::time;	662	my $time = AE::time;
413		663
414	# this is the main coro, too bad, we have to block	664	# this is the main coro, too bad, we have to block
415	# till the operation succeeds, freezing the server :/	665	# till the operation succeeds, freezing the server :/
416		666
417	# TODO: use suspend/resume instead	667	#LOG llevError, Carp::longmess "sync job";#d#
418	# (but this is cancel-safe)	668
419	my $freeze_guard = freeze_mainloop;	669	my $freeze_guard = freeze_mainloop;
420		670
421	my $busy = 1;	671	my $busy = 1;
422	my @res;	672	my @res;
423		673
424	(async {	674	(async {
		675	$Coro::current->desc ("sync job coro");
425	@res = eval { $job->() };	676	@res = eval { $job->() };
426	warn $@ if $@;	677	error $@ if $@;
427	undef $busy;	678	undef $busy;
428	})->prio (Coro::PRIO_MAX);	679	})->prio (Coro::PRIO_MAX);
429		680
430	while ($busy) {	681	while ($busy) {
431	Coro::cede or Event::one_event;	682	if (Coro::nready) {
		683	Coro::cede_notself;
		684	} else {
		685	EV::loop EV::LOOP_ONESHOT;
432	}	686	}
		687	}
433		688
434	$time = Event::time - $time;	689	my $time = AE::time - $time;
435		690
436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
438
439	$tick_start += $time; # do not account sync jobs to server load	691	$TICK_START += $time; # do not account sync jobs to server load
440		692
441	wantarray ? @res : $res[0]	693	wantarray ? @res : $res[0]
442	} else {	694	} else {
443	# we are in another coroutine, how wonderful, everything just works	695	# we are in another coroutine, how wonderful, everything just works
444		696
…		…
464	$EXT_CORO{$coro+0} = $coro;	716	$EXT_CORO{$coro+0} = $coro;
465		717
466	$coro	718	$coro
467	}	719	}
468		720
469	=item fork_call { }, $args	721	=item fork_call { }, @args
470		722
471	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
472	process, returning the results. Everything must be serialisable with	724	process, returning the results. Everything must be serialisable with
473	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
474	never block itself or use any form of Event handling.	726	never block itself or use any form of event handling.
475		727
476	=cut	728	=cut
		729
		730	sub post_fork {
		731	reset_signals;
		732	}
477		733
478	sub fork_call(&@) {	734	sub fork_call(&@) {
479	my ($cb, @args) = @_;	735	my ($cb, @args) = @_;
480		736
481	# 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,
482	# otherwise perl prematurely frees the stuff :/	738	# otherwise perl prematurely frees the stuff :/
483	# TODO: investigate and fix (liekly this will be rather laborious)	739	# TODO: investigate and fix (likely this will be rather laborious)
484		740
485	my @res = Coro::Util::fork_eval {	741	my @res = Coro::Util::fork_eval {
486	reset_signals;	742	cf::post_fork;
487	&$cb	743	&$cb
488	}, @args;	744	} @args;
489		745
490	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
491	}	785	}
492		786
493	=item $value = cf::db_get $family => $key	787	=item $value = cf::db_get $family => $key
494		788
495	Returns a single value from the environment database.	789	Returns a single value from the environment database.
…		…
497	=item cf::db_put $family => $key => $value	791	=item cf::db_put $family => $key => $value
498		792
499	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
500	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).
501		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
502	=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	}
503		822
504	our $DB;	823	our $DB;
505		824
506	sub db_init {	825	sub db_init {
507	unless ($DB) {	826	$DB ||= db_table "db";
508	$DB = BDB::db_create $DB_ENV;
509
510	cf::sync_job {
511	eval {
512	$DB->set_flags (BDB::CHKSUM);
513
514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
516	cf::cleanup "db_open(db): $!" if $!;
517	};
518	cf::cleanup "db_open(db): $@" if $@;
519	};
520	}
521	}	827	}
522		828
523	sub db_get($$) {	829	sub db_get($$) {
524	my $key = "$_[0]/$_[1]";	830	my $key = "$_[0]/$_[1]";
525		831
526	cf::sync_job {	832	cf::error "db_get called from main context"
		833	if $Coro::current == $Coro::main;
		834
527	BDB::db_get $DB, undef, $key, my $data;	835	BDB::db_get $DB, undef, $key, my $data;
528		836
529	$! ? ()	837	$! ? ()
530	: $data	838	: $data
531	}
532	}	839	}
533		840
534	sub db_put($$$) {	841	sub db_put($$$) {
535	BDB::dbreq_pri 4;	842	BDB::dbreq_pri 4;
536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	843	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
564		871
565	my @data;	872	my @data;
566	my $md5;	873	my $md5;
567		874
568	for (0 .. $#$src) {	875	for (0 .. $#$src) {
569	0 <= aio_load $src->[$_], $data[$_]	876	$data[$_] = load_file $src->[$_];
570	or Carp::croak "$src->[$_]: $!";
571	}	877	}
572		878
573	# if processing is expensive, check	879	# if processing is expensive, check
574	# checksum first	880	# checksum first
575	if (1) {	881	if (1) {
576	$md5 =	882	$md5 =
577	join "\x00",	883	join "\x00",
578	$processversion,	884	$processversion,
579	map {	885	map {
580	Coro::cede;	886	cf::cede_to_tick;
581	($src->[$_], Digest::MD5::md5_hex $data[$_])	887	($src->[$_], Digest::MD5::md5_hex $data[$_])
582	} 0.. $#$src;	888	} 0.. $#$src;
583		889
584		890
585	my $dbmd5 = db_get cache => "$id/md5";	891	my $dbmd5 = db_get cache => "$id/md5";
…		…
592		898
593	my $t1 = Time::HiRes::time;	899	my $t1 = Time::HiRes::time;
594	my $data = $process->(\@data);	900	my $data = $process->(\@data);
595	my $t2 = Time::HiRes::time;	901	my $t2 = Time::HiRes::time;
596		902
597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	903	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
598		904
599	db_put cache => "$id/data", $data;	905	db_put cache => "$id/data", $data;
600	db_put cache => "$id/md5" , $md5;	906	db_put cache => "$id/md5" , $md5;
601	db_put cache => "$id/meta", $meta;	907	db_put cache => "$id/meta", $meta;
602		908
…		…
612		918
613	=cut	919	=cut
614		920
615	sub datalog($@) {	921	sub datalog($@) {
616	my ($type, %kv) = @_;	922	my ($type, %kv) = @_;
617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	923	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
618	}	924	}
619		925
620	=back	926	=back
621		927
622	=cut	928	=cut
623		929
624	#############################################################################	930	#############################################################################
625		931
626	=head2 ATTACHABLE OBJECTS	932	=head2 ATTACHABLE OBJECTS
627		933
628	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
629	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")
630	to it. All such attachable objects support the following methods.	936	to it. All such attachable objects support the following methods.
631		937
632	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>
633	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
634	Crossfire TRT).	940	Deliantra).
635		941
636	=over 4	942	=over 4
637		943
638	=item $attachable->attach ($attachment, key => $value...)	944	=item $attachable->attach ($attachment, key => $value...)
639		945
…		…
683	=item cf::CLASS::attachment $name, ...	989	=item cf::CLASS::attachment $name, ...
684		990
685	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
686	given CLASS can refer to this attachment.	992	given CLASS can refer to this attachment.
687		993
688	Some classes such as crossfire maps and objects can specify attachments	994	Some classes such as deliantra maps and objects can specify attachments
689	that are attached at load/instantiate time, thus the need for a name.	995	that are attached at load/instantiate time, thus the need for a name.
690		996
691	These calls expect any number of the following handler/hook descriptions:	997	These calls expect any number of the following handler/hook descriptions:
692		998
693	=over 4	999	=over 4
…		…
817		1123
818	} elsif (exists $cb_id{$type}) {	1124	} elsif (exists $cb_id{$type}) {
819	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1125	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
820		1126
821	} elsif (ref $type) {	1127	} elsif (ref $type) {
822	warn "attaching objects not supported, ignoring.\n";	1128	error "attaching objects not supported, ignoring.\n";
823		1129
824	} else {	1130	} else {
825	shift @arg;	1131	shift @arg;
826	warn "attach argument '$type' not supported, ignoring.\n";	1132	error "attach argument '$type' not supported, ignoring.\n";
827	}	1133	}
828	}	1134	}
829	}	1135	}
830		1136
831	sub _object_attach {	1137	sub _object_attach {
…		…
841	_attach $registry, $klass, @attach;	1147	_attach $registry, $klass, @attach;
842	}	1148	}
843		1149
844	$obj->{$name} = \%arg;	1150	$obj->{$name} = \%arg;
845	} else {	1151	} else {
846	warn "object uses attachment '$name' which is not available, postponing.\n";	1152	info "object uses attachment '$name' which is not available, postponing.\n";
847	}	1153	}
848		1154
849	$obj->{_attachment}{$name} = undef;	1155	$obj->{_attachment}{$name} = undef;
850	}	1156	}
851		1157
…		…
910		1216
911	for (@$callbacks) {	1217	for (@$callbacks) {
912	eval { &{$_->[1]} };	1218	eval { &{$_->[1]} };
913		1219
914	if ($@) {	1220	if ($@) {
915	warn "$@";
916	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1221	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
917	override;	1222	override;
918	}	1223	}
919		1224
920	return 1 if $override;	1225	return 1 if $override;
921	}	1226	}
922		1227
923	0	1228	0
924	}	1229	}
925		1230
926	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1231	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
927		1232
928	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1233	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
929		1234
930	Generate an object-specific event with the given arguments.	1235	Generate an object-specific event with the given arguments.
931		1236
…		…
937		1242
938	=cut	1243	=cut
939		1244
940	#############################################################################	1245	#############################################################################
941	# object support	1246	# object support
942	#
943		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#
944	sub _can_merge {	1281	sub _can_merge {
945	my ($ob1, $ob2) = @_;	1282	my ($ob1, $ob2) = @_;
946		1283
947	local $Storable::canonical = 1;	1284	++$SLOW_MERGES;#d#
948	my $fob1 = Storable::freeze $ob1;
949	my $fob2 = Storable::freeze $ob2;
950		1285
951	$fob1 eq $fob2	1286	# we do the slow way here
		1287	return _object_equal $ob1, $ob2
952	}	1288	}
953		1289
954	sub reattach {	1290	sub reattach {
955	# basically do the same as instantiate, without calling instantiate	1291	# basically do the same as instantiate, without calling instantiate
956	my ($obj) = @_;	1292	my ($obj) = @_;
957		1293
		1294	# no longer needed after getting rid of delete_package?
958	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
959		1296
960	my $registry = $obj->registry;	1297	my $registry = $obj->registry;
961		1298
962	@$registry = ();	1299	@$registry = ();
963		1300
…		…
968	for (@$attach) {	1305	for (@$attach) {
969	my ($klass, @attach) = @$_;	1306	my ($klass, @attach) = @$_;
970	_attach $registry, $klass, @attach;	1307	_attach $registry, $klass, @attach;
971	}	1308	}
972	} else {	1309	} else {
973	warn "object uses attachment '$name' that is not available, postponing.\n";	1310	info "object uses attachment '$name' that is not available, postponing.\n";
974	}	1311	}
975	}	1312	}
976	}	1313	}
977		1314
978	cf::attachable->attach (	1315	cf::attachable->attach (
979	prio => -1000000,	1316	prio => -1000000,
980	on_instantiate => sub {	1317	on_instantiate => sub {
981	my ($obj, $data) = @_;	1318	my ($obj, $data) = @_;
982		1319
983	$data = from_json $data;	1320	$data = decode_json $data;
984		1321
985	for (@$data) {	1322	for (@$data) {
986	my ($name, $args) = @$_;	1323	my ($name, $args) = @$_;
987		1324
988	$obj->attach ($name, %{$args || {} });	1325	$obj->attach ($name, %{$args || {} });
…		…
1004	sub object_freezer_save {	1341	sub object_freezer_save {
1005	my ($filename, $rdata, $objs) = @_;	1342	my ($filename, $rdata, $objs) = @_;
1006		1343
1007	sync_job {	1344	sync_job {
1008	if (length $$rdata) {	1345	if (length $$rdata) {
		1346	utf8::decode (my $decname = $filename);
1009	warn sprintf "saving %s (%d,%d)\n",	1347	trace sprintf "saving %s (%d,%d)\n",
1010	$filename, length $$rdata, scalar @$objs;	1348	$decname, length $$rdata, scalar @$objs
		1349	if $VERBOSE_IO;
1011		1350
1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1351	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1013	chmod SAVE_MODE, $fh;	1352	aio_chmod $fh, SAVE_MODE;
1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1353	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015	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	}
1016	close $fh;	1358	aio_close $fh;
1017		1359
1018	if (@$objs) {	1360	if (@$objs) {
1019	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) {
1020	chmod SAVE_MODE, $fh;	1362	aio_chmod $fh, SAVE_MODE;
1021	my $data = Storable::nfreeze { version => 1, objs => $objs };	1363	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022	aio_write $fh, 0, (length $data), $data, 0;	1364	aio_write $fh, 0, (length $data), $data, 0;
1023	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	}
1024	close $fh;	1369	aio_close $fh;
1025	aio_rename "$filename.pst~", "$filename.pst";	1370	aio_rename "$filename.pst~", "$filename.pst";
1026	}	1371	}
1027	} else {	1372	} else {
1028	aio_unlink "$filename.pst";	1373	aio_unlink "$filename.pst";
1029	}	1374	}
1030		1375
1031	aio_rename "$filename~", $filename;	1376	aio_rename "$filename~", $filename;
		1377
		1378	$filename =~ s%/[^/]+$%%;
		1379	aio_pathsync $filename if $cf::USE_FSYNC;
1032	} else {	1380	} else {
1033	warn "FATAL: $filename~: $!\n";	1381	error "unable to save objects: $filename~: $!\n";
1034	}	1382	}
1035	} else {	1383	} else {
1036	aio_unlink $filename;	1384	aio_unlink $filename;
1037	aio_unlink "$filename.pst";	1385	aio_unlink "$filename.pst";
1038	}	1386	}
1039	}	1387	};
1040	}	1388	}
1041		1389
1042	sub object_freezer_as_string {	1390	sub object_freezer_as_string {
1043	my ($rdata, $objs) = @_;	1391	my ($rdata, $objs) = @_;
1044		1392
…		…
1056	or return;	1404	or return;
1057		1405
1058	unless (aio_stat "$filename.pst") {	1406	unless (aio_stat "$filename.pst") {
1059	(aio_load "$filename.pst", $av) >= 0	1407	(aio_load "$filename.pst", $av) >= 0
1060	or return;	1408	or return;
		1409
1061	$av = eval { (Storable::thaw $av)->{objs} };	1410	my $st = eval { Coro::Storable::thaw $av };
		1411	$av = $st->{objs};
1062	}	1412	}
1063		1413
		1414	utf8::decode (my $decname = $filename);
1064	warn sprintf "loading %s (%d)\n",	1415	trace sprintf "loading %s (%d,%d)\n",
1065	$filename, length $data, scalar @{$av || []};	1416	$decname, length $data, scalar @{$av || []}
		1417	if $VERBOSE_IO;
		1418
1066	return ($data, $av);	1419	($data, $av)
1067	}	1420	}
1068		1421
1069	=head2 COMMAND CALLBACKS	1422	=head2 COMMAND CALLBACKS
1070		1423
1071	=over 4	1424	=over 4
…		…
1125	my ($name, $cb) = @_;	1478	my ($name, $cb) = @_;
1126		1479
1127	$EXTICMD{$name} = $cb;	1480	$EXTICMD{$name} = $cb;
1128	}	1481	}
1129		1482
		1483	use File::Glob ();
		1484
1130	cf::player->attach (	1485	cf::player->attach (
1131	on_command => sub {	1486	on_unknown_command => sub {
1132	my ($pl, $name, $params) = @_;	1487	my ($pl, $name, $params) = @_;
1133		1488
1134	my $cb = $COMMAND{$name}	1489	my $cb = $COMMAND{$name}
1135	or return;	1490	or return;
1136		1491
…		…
1144	my ($pl, $buf) = @_;	1499	my ($pl, $buf) = @_;
1145		1500
1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1501	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1147		1502
1148	if (ref $msg) {	1503	if (ref $msg) {
1149	my ($type, $reply, @payload) =	1504	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1150	"ARRAY" eq ref $msg
1151	? @$msg
1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1153		1505
1154	my @reply;	1506	my @reply;
1155		1507
1156	if (my $cb = $EXTCMD{$type}) {	1508	if (my $cb = $EXTCMD{$type}) {
1157	@reply = $cb->($pl, @payload);	1509	@reply = $cb->($pl, @payload);
…		…
1159		1511
1160	$pl->ext_reply ($reply, @reply)	1512	$pl->ext_reply ($reply, @reply)
1161	if $reply;	1513	if $reply;
1162		1514
1163	} else {	1515	} else {
1164	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1516	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1165	}	1517	}
1166		1518
1167	cf::override;	1519	cf::override;
1168	},	1520	},
1169	);	1521	);
1170		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
1171	sub load_extensions {	1536	sub load_extensions {
		1537	info "loading extensions...";
		1538
1172	cf::sync_job {	1539	cf::sync_job {
1173	my %todo;	1540	my %todo;
1174		1541
1175	for my $path (<$LIBDIR/*.ext>) {	1542	for my $path (<$LIBDIR/*.ext>) {
1176	next unless -r $path;	1543	next unless -r $path;
…		…
1194		1561
1195	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1562	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1196	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1563	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1197		1564
1198	$ext{source} =	1565	$ext{source} =
1199	"package $pkg; use strict; use utf8;\n"	1566	"package $pkg; use common::sense;\n"
1200	. "#line 1 \"$path\"\n{\n"	1567	. "#line 1 \"$path\"\n{\n"
1201	. $source	1568	. $source
1202	. "\n};\n1";	1569	. "\n};\n1";
1203		1570
1204	$todo{$base} = \%ext;	1571	$todo{$base} = \%ext;
1205	}	1572	}
1206		1573
		1574	my $pass = 0;
1207	my %done;	1575	my %done;
1208	while (%todo) {	1576	while (%todo) {
1209	my $progress;	1577	my $progress;
1210		1578
		1579	++$pass;
		1580
		1581	ext:
1211	while (my ($k, $v) = each %todo) {	1582	while (my ($k, $v) = each %todo) {
1212	for (split /,\s*/, $v->{meta}{depends}) {	1583	for (split /,\s*/, $v->{meta}{depends}) {
1213	goto skip	1584	next ext
1214	unless exists $done{$_};	1585	unless exists $done{$_};
1215	}	1586	}
1216		1587
1217	warn "... loading '$k' into '$v->{pkg}'\n";	1588	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1218		1589
1219	unless (eval $v->{source}) {	1590	my $active = eval $v->{source};
		1591
		1592	if (length $@) {
1220	my $msg = $@ ? "$v->{path}: $@\n"	1593	error "$v->{path}: $@\n";
1221	: "$v->{base}: extension inactive.\n";
1222		1594
		1595	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1223	if (exists $v->{meta}{mandatory}) {	1596	if exists $v->{meta}{mandatory};
1224	warn $msg;	1597
1225	warn "mandatory extension failed to load, exiting.\n";	1598	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1226	exit 1;	1599	delete $todo{$k};
1227	}	1600	} else {
1228		1601	$done{$k} = delete $todo{$k};
1229	warn $msg;	1602	push @EXTS, $v->{pkg};
		1603	$progress = 1;
		1604
		1605	info "$v->{base}: extension inactive.\n"
		1606	unless $active;
1230	}	1607	}
1231
1232	$done{$k} = delete $todo{$k};
1233	push @EXTS, $v->{pkg};
1234	$progress = 1;
1235	}	1608	}
1236		1609
1237	skip:	1610	unless ($progress) {
1238	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1611	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1239	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	}
1240	}	1620	}
1241	};	1621	};
1242	}	1622	}
1243		1623
1244	#############################################################################	1624	#############################################################################
1245		1625
1246	=back	1626	=back
1247		1627
1248	=head2 CORE EXTENSIONS	1628	=head2 CORE EXTENSIONS
1249		1629
1250	Functions and methods that extend core crossfire objects.	1630	Functions and methods that extend core deliantra objects.
1251		1631
1252	=cut	1632	=cut
1253		1633
1254	package cf::player;	1634	package cf::player;
1255		1635
1256	use Coro::AIO;	1636	use Coro::AIO;
1257		1637
1258	=head3 cf::player	1638	=head3 cf::player
1259		1639
1260	=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	}
1261		1655
1262	=item cf::player::find $login	1656	=item cf::player::find $login
1263		1657
1264	Returns the given player object, loading it if necessary (might block).	1658	Returns the given player object, loading it if necessary (might block).
1265		1659
…		…
1284		1678
1285	sub exists($) {	1679	sub exists($) {
1286	my ($login) = @_;	1680	my ($login) = @_;
1287		1681
1288	$cf::PLAYER{$login}	1682	$cf::PLAYER{$login}
1289	or cf::sync_job { !aio_stat path $login }	1683	or !aio_stat path $login
1290	}	1684	}
1291		1685
1292	sub find($) {	1686	sub find($) {
1293	return $cf::PLAYER{$_[0]} || do {	1687	return $cf::PLAYER{$_[0]} || do {
1294	my $login = $_[0];	1688	my $login = $_[0];
…		…
1301	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1695	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1302	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1696	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1303	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1697	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1304	aio_unlink +(playerdir $login) . "/$login.pl";	1698	aio_unlink +(playerdir $login) . "/$login.pl";
1305		1699
1306	my $pl = load_pl path $login	1700	my $f = new_from_file cf::object::thawer path $login
1307	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;
1308	$cf::PLAYER{$login} = $pl	1708	$cf::PLAYER{$login} = $pl
1309	}	1709	}
1310	}	1710	}
1311	}	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	);
1312		1725
1313	sub save($) {	1726	sub save($) {
1314	my ($pl) = @_;	1727	my ($pl) = @_;
1315		1728
1316	return if $pl->{deny_save};	1729	return if $pl->{deny_save};
…		…
1321	return if $pl->{deny_save};	1734	return if $pl->{deny_save};
1322		1735
1323	aio_mkdir playerdir $pl, 0770;	1736	aio_mkdir playerdir $pl, 0770;
1324	$pl->{last_save} = $cf::RUNTIME;	1737	$pl->{last_save} = $cf::RUNTIME;
1325		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];
		1743
1326	$pl->save_pl ($path);	1744	$pl->save_pl ($path);
1327	Coro::cede;	1745	cf::cede_to_tick;
1328	}	1746	}
1329		1747
1330	sub new($) {	1748	sub new($) {
1331	my ($login) = @_;	1749	my ($login) = @_;
1332		1750
…		…
1361	my ($pl) = @_;	1779	my ($pl) = @_;
1362		1780
1363	my $name = $pl->ob->name;	1781	my $name = $pl->ob->name;
1364		1782
1365	$pl->{deny_save} = 1;	1783	$pl->{deny_save} = 1;
1366	$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
1367		1785
1368	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1786	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1369	$pl->deactivate;	1787	$pl->deactivate;
		1788
		1789	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1370	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1790	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1791	ext::highscore::check ($pl->ob);
		1792
1371	$pl->ns->destroy if $pl->ns;	1793	$pl->ns->destroy if $pl->ns;
1372		1794
1373	my $path = playerdir $pl;	1795	my $path = playerdir $pl;
1374	my $temp = "$path~$cf::RUNTIME~deleting~";	1796	my $temp = "$path~$cf::RUNTIME~deleting~";
1375	aio_rename $path, $temp;	1797	aio_rename $path, $temp;
…		…
1410	or return [];	1832	or return [];
1411		1833
1412	my @logins;	1834	my @logins;
1413		1835
1414	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") {
1415	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1842	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1416	aio_read $fh, 0, 512, my $buf, 0 or next;	1843	aio_read $fh, 0, 512, my $buf, 0 or next;
1417	$buf !~ /^password -------------$/m or next; # official not-valid tag	1844	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1845	}
1418		1846
1419	utf8::decode $login;	1847	utf8::decode $login;
1420	push @logins, $login;	1848	push @logins, $login;
1421	}	1849	}
1422		1850
1423	\@logins	1851	\@logins
1424	}	1852	}
1425		1853
1426	=item $player->maps	1854	=item $player->maps
		1855
		1856	=item cf::player::maps $login
1427		1857
1428	Returns an arrayref of map paths that are private for this	1858	Returns an arrayref of map paths that are private for this
1429	player. May block.	1859	player. May block.
1430		1860
1431	=cut	1861	=cut
…		…
1449	}	1879	}
1450		1880
1451	\@paths	1881	\@paths
1452	}	1882	}
1453		1883
1454	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1884	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1455		1885
1456	Expand crossfire pod fragments into protocol xml.	1886	Expand deliantra pod fragments into protocol xml.
1457
1458	=cut
1459
1460	sub expand_cfpod {
1461	((my $self), (local $_)) = @_;
1462
1463	# escape & and <
1464	s/&/&amp;/g;
1465	s/(?<![BIUGH])</&lt;/g;
1466
1467	# this is buggy, it needs to properly take care of nested <'s
1468
1469	1 while
1470	# replace B<>, I<>, U<> etc.
1471	s/B<([^\>]*)>/<b>$1<\/b>/
1472	|| s/I<([^\>]*)>/<i>$1<\/i>/
1473	|| s/U<([^\>]*)>/<u>$1<\/u>/
1474	# replace G<male|female> tags
1475	|| s{G<([^>|]*)\|([^>]*)>}{
1476	$self->gender ? $2 : $1
1477	}ge
1478	# replace H<hint text>
1479	|| s{H<([^\>]*)>}
1480	{
1481	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1483	"")
1484	[$self->{hintmode}]
1485	}ge;
1486
1487	# create single paragraphs (very hackish)
1488	s/(?<=\S)\n(?=\w)/ /g;
1489
1490	# compress some whitespace
1491	s/\s+\n/\n/g; # ws line-ends
1492	s/\n\n+/\n/g; # double lines
1493	s/^\n+//; # beginning lines
1494	s/\n+$//; # ending lines
1495
1496	$_
1497	}
1498
1499	sub hintmode {
1500	$_[0]{hintmode} = $_[1] if @_ > 1;
1501	$_[0]{hintmode}
1502	}
1503		1887
1504	=item $player->ext_reply ($msgid, @msg)	1888	=item $player->ext_reply ($msgid, @msg)
1505		1889
1506	Sends an ext reply to the player.	1890	Sends an ext reply to the player.
1507		1891
…		…
1539		1923
1540	=cut	1924	=cut
1541		1925
1542	sub find_by_path($) {	1926	sub find_by_path($) {
1543	my ($path) = @_;	1927	my ($path) = @_;
		1928
		1929	$path =~ s/^~[^\/]*//; # skip ~login
1544		1930
1545	my ($match, $specificity);	1931	my ($match, $specificity);
1546		1932
1547	for my $region (list) {	1933	for my $region (list) {
1548	if ($region->{match} && $path =~ $region->{match}) {	1934	if ($region->{match} && $path =~ $region->{match}) {
…		…
1574	our $MAX_RESET = 3600;	1960	our $MAX_RESET = 3600;
1575	our $DEFAULT_RESET = 3000;	1961	our $DEFAULT_RESET = 3000;
1576		1962
1577	sub generate_random_map {	1963	sub generate_random_map {
1578	my ($self, $rmp) = @_;	1964	my ($self, $rmp) = @_;
1579	# mit "rum" bekleckern, nicht	1965
		1966	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1967
1580	$self->_create_random_map (	1968	$self->_create_random_map ($rmp);
1581	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1582	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1583	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1584	$rmp->{exit_on_final_map},
1585	$rmp->{xsize}, $rmp->{ysize},
1586	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1587	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1588	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1589	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1590	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1591	(cf::region::find $rmp->{region}), $rmp->{custom}
1592	)
1593	}	1969	}
1594		1970
1595	=item cf::map->register ($regex, $prio)	1971	=item cf::map->register ($regex, $prio)
1596		1972
1597	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
…		…
1602		1978
1603	sub register {	1979	sub register {
1604	my (undef, $regex, $prio) = @_;	1980	my (undef, $regex, $prio) = @_;
1605	my $pkg = caller;	1981	my $pkg = caller;
1606		1982
1607	no strict;
1608	push @{"$pkg\::ISA"}, __PACKAGE__;	1983	push @{"$pkg\::ISA"}, __PACKAGE__;
1609		1984
1610	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1985	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1611	}	1986	}
1612		1987
1613	# also paths starting with '/'	1988	# also paths starting with '/'
1614	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1989	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1615		1990
1616	sub thawer_merge {	1991	sub thawer_merge {
1617	my ($self, $merge) = @_;	1992	my ($self, $merge) = @_;
1618		1993
1619	# we have to keep some variables in memory intact	1994	# we have to keep some variables in memory intact
…		…
1624	}	1999	}
1625		2000
1626	sub normalise {	2001	sub normalise {
1627	my ($path, $base) = @_;	2002	my ($path, $base) = @_;
1628		2003
1629	$path = "$path"; # make sure its a string	2004	$path = "$path"; # make sure it's a string
1630		2005
1631	$path =~ s/\.map$//;	2006	$path =~ s/\.map$//;
1632		2007
1633	# map plan:	2008	# map plan:
1634	#	2009	#
…		…
1649	$base =~ s{[^/]+/?$}{};	2024	$base =~ s{[^/]+/?$}{};
1650	$path = "$base/$path";	2025	$path = "$base/$path";
1651	}	2026	}
1652		2027
1653	for ($path) {	2028	for ($path) {
1654	redo if s{//}{/};
1655	redo if s{/\.?/}{/};	2029	redo if s{/\.?/}{/};
1656	redo if s{/[^/]+/\.\./}{/};	2030	redo if s{/[^/]+/\.\./}{/};
1657	}	2031	}
1658		2032
1659	$path	2033	$path
…		…
1673	$self->init; # pass $1 etc.	2047	$self->init; # pass $1 etc.
1674	return $self;	2048	return $self;
1675	}	2049	}
1676	}	2050	}
1677		2051
1678	Carp::cluck "unable to resolve path '$path' (base '$base').";	2052	Carp::cluck "unable to resolve path '$path' (base '$base')";
1679	()	2053	()
1680	}	2054	}
1681		2055
		2056	# may re-bless or do other evil things
1682	sub init {	2057	sub init {
1683	my ($self) = @_;	2058	my ($self) = @_;
1684		2059
1685	$self	2060	$self
1686	}	2061	}
…		…
1705		2080
1706	# the temporary/swap location	2081	# the temporary/swap location
1707	sub save_path {	2082	sub save_path {
1708	my ($self) = @_;	2083	my ($self) = @_;
1709		2084
1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2085	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1711	"$TMPDIR/$path.map"	2086	"$TMPDIR/$path.map"
1712	}	2087	}
1713		2088
1714	# the unique path, undef == no special unique path	2089	# the unique path, undef == no special unique path
1715	sub uniq_path {	2090	sub uniq_path {
1716	my ($self) = @_;	2091	my ($self) = @_;
1717		2092
1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2093	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1719	"$UNIQUEDIR/$path"	2094	"$UNIQUEDIR/$path"
1720	}
1721
1722	# and all this just because we cannot iterate over
1723	# all maps in C++...
1724	sub change_all_map_light {
1725	my ($change) = @_;
1726
1727	$_->change_map_light ($change)
1728	for grep $_->outdoor, values %cf::MAP;
1729	}	2095	}
1730		2096
1731	sub decay_objects {	2097	sub decay_objects {
1732	my ($self) = @_;	2098	my ($self) = @_;
1733		2099
…		…
1746		2112
1747	sub load_header_from($) {	2113	sub load_header_from($) {
1748	my ($self, $path) = @_;	2114	my ($self, $path) = @_;
1749		2115
1750	utf8::encode $path;	2116	utf8::encode $path;
1751	#aio_open $path, O_RDONLY, 0	2117	my $f = new_from_file cf::object::thawer $path
1752	# or return;
1753
1754	$self->_load_header ($path)
1755	or return;	2118	or return;
1756		2119
		2120	$self->_load_header ($f)
		2121	or return;
		2122
		2123	local $MAP_LOADING{$self->{path}} = $self;
		2124	$f->resolve_delayed_derefs;
		2125
1757	$self->{load_path} = $path;	2126	$self->{load_path} = $path;
1758		2127
1759	1	2128	1
1760	}	2129	}
1761		2130
		2131	# used to laod the header of an original map
1762	sub load_header_orig {	2132	sub load_header_orig {
1763	my ($self) = @_;	2133	my ($self) = @_;
1764		2134
1765	$self->load_header_from ($self->load_path)	2135	$self->load_header_from ($self->load_path)
1766	}	2136	}
1767		2137
		2138	# used to laod the header of an instantiated map
1768	sub load_header_temp {	2139	sub load_header_temp {
1769	my ($self) = @_;	2140	my ($self) = @_;
1770		2141
1771	$self->load_header_from ($self->save_path)	2142	$self->load_header_from ($self->save_path)
1772	}	2143	}
1773		2144
		2145	# called after loading the header from an instantiated map
1774	sub prepare_temp {	2146	sub prepare_temp {
1775	my ($self) = @_;	2147	my ($self) = @_;
1776		2148
1777	$self->last_access ((delete $self->{last_access})	2149	$self->last_access ((delete $self->{last_access})
1778	|| $cf::RUNTIME); #d#	2150	|| $cf::RUNTIME); #d#
1779	# safety	2151	# safety
1780	$self->{instantiate_time} = $cf::RUNTIME	2152	$self->{instantiate_time} = $cf::RUNTIME
1781	if $self->{instantiate_time} > $cf::RUNTIME;	2153	if $self->{instantiate_time} > $cf::RUNTIME;
1782	}	2154	}
1783		2155
		2156	# called after loading the header from an original map
1784	sub prepare_orig {	2157	sub prepare_orig {
1785	my ($self) = @_;	2158	my ($self) = @_;
1786		2159
1787	$self->{load_original} = 1;	2160	$self->{load_original} = 1;
1788	$self->{instantiate_time} = $cf::RUNTIME;	2161	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1812		2185
1813	sub find;	2186	sub find;
1814	sub find {	2187	sub find {
1815	my ($path, $origin) = @_;	2188	my ($path, $origin) = @_;
1816		2189
		2190	cf::cede_to_tick;
		2191
1817	$path = normalise $path, $origin && $origin->path;	2192	$path = normalise $path, $origin;
1818		2193
		2194	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1819	cf::lock_wait "map_find:$path";	2195	my $guard2 = cf::lock_acquire "map_find:$path";
1820		2196
1821	$cf::MAP{$path} || do {	2197	$cf::MAP{$path} || do {
1822	my $guard = cf::lock_acquire "map_find:$path";
1823	my $map = new_from_path cf::map $path	2198	my $map = new_from_path cf::map $path
1824	or return;	2199	or return;
1825		2200
1826	$map->{last_save} = $cf::RUNTIME;	2201	$map->{last_save} = $cf::RUNTIME;
1827		2202
…		…
1829	or return;	2204	or return;
1830		2205
1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2206	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1832	# doing this can freeze the server in a sync job, obviously	2207	# doing this can freeze the server in a sync job, obviously
1833	#$cf::WAIT_FOR_TICK->wait;	2208	#$cf::WAIT_FOR_TICK->wait;
		2209	undef $guard2;
		2210	undef $guard1;
1834	$map->reset;	2211	$map->reset;
1835	undef $guard;
1836	return find $path;	2212	return find $path;
1837	}	2213	}
1838		2214
1839	$cf::MAP{$path} = $map	2215	$cf::MAP{$path} = $map
1840	}	2216	}
1841	}	2217	}
1842		2218
1843	sub pre_load { }	2219	sub pre_load { }
1844	sub post_load { }	2220	#sub post_load { } # XS
1845		2221
1846	sub load {	2222	sub load {
1847	my ($self) = @_;	2223	my ($self) = @_;
1848		2224
1849	local $self->{deny_reset} = 1; # loading can take a long time	2225	local $self->{deny_reset} = 1; # loading can take a long time
1850		2226
1851	my $path = $self->{path};	2227	my $path = $self->{path};
1852		2228
1853	{	2229	{
1854	my $guard = cf::lock_acquire "map_load:$path";	2230	my $guard = cf::lock_acquire "map_data:$path";
1855		2231
		2232	return unless $self->valid;
1856	return if $self->in_memory != cf::MAP_SWAPPED;	2233	return unless $self->state == cf::MAP_SWAPPED;
1857
1858	$self->in_memory (cf::MAP_LOADING);
1859		2234
1860	$self->alloc;	2235	$self->alloc;
1861		2236
1862	$self->pre_load;	2237	$self->pre_load;
1863	Coro::cede;	2238	cf::cede_to_tick;
1864		2239
1865	$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)
1866	or return;	2244	or return;
1867		2245
1868	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2246	$self->post_load_original
1869	if delete $self->{load_original};	2247	if delete $self->{load_original};
1870		2248
1871	if (my $uniq = $self->uniq_path) {	2249	if (my $uniq = $self->uniq_path) {
1872	utf8::encode $uniq;	2250	utf8::encode $uniq;
1873	if (aio_open $uniq, O_RDONLY, 0) {	2251	unless (aio_stat $uniq) {
		2252	if (my $f = new_from_file cf::object::thawer $uniq) {
1874	$self->clear_unique_items;	2253	$self->clear_unique_items;
1875	$self->_load_objects ($uniq, 0);	2254	$self->_load_objects ($f);
		2255	$f->resolve_delayed_derefs;
		2256	}
		2257	}
1876	}	2258	}
1877	}
1878		2259
1879	Coro::cede;	2260	$f->resolve_delayed_derefs;
		2261	} else {
		2262	$self->post_load_original
		2263	if delete $self->{load_original};
		2264	}
		2265
		2266	$self->state (cf::MAP_INACTIVE);
		2267
		2268	cf::cede_to_tick;
1880	# now do the right thing for maps	2269	# now do the right thing for maps
1881	$self->link_multipart_objects;	2270	$self->link_multipart_objects;
1882	$self->difficulty ($self->estimate_difficulty)	2271	$self->difficulty ($self->estimate_difficulty)
1883	unless $self->difficulty;	2272	unless $self->difficulty;
1884	Coro::cede;	2273	cf::cede_to_tick;
1885		2274
1886	unless ($self->{deny_activate}) {	2275	unless ($self->{deny_activate}) {
1887	$self->decay_objects;	2276	$self->decay_objects;
1888	$self->fix_auto_apply;	2277	$self->fix_auto_apply;
1889	$self->update_buttons;	2278	$self->update_buttons;
1890	Coro::cede;	2279	cf::cede_to_tick;
1891	$self->set_darkness_map;	2280	#$self->activate; # no longer activate maps automatically
1892	Coro::cede;
1893	$self->activate;
1894	}	2281	}
1895		2282
1896	$self->{last_save} = $cf::RUNTIME;	2283	$self->{last_save} = $cf::RUNTIME;
1897	$self->last_access ($cf::RUNTIME);	2284	$self->last_access ($cf::RUNTIME);
1898
1899	$self->in_memory (cf::MAP_IN_MEMORY);
1900	}	2285	}
1901		2286
1902	$self->post_load;	2287	$self->post_load;
1903	}
1904		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
1905	sub customise_for {	2295	sub customise_for {
1906	my ($self, $ob) = @_;	2296	my ($self, $ob) = @_;
1907		2297
1908	return find "~" . $ob->name . "/" . $self->{path}	2298	return find "~" . $ob->name . "/" . $self->{path}
1909	if $self->per_player;	2299	if $self->per_player;
…		…
1912	# if $self->per_party;	2302	# if $self->per_party;
1913		2303
1914	$self	2304	$self
1915	}	2305	}
1916		2306
1917	# find and load all maps in the 3x3 area around a map
1918	sub load_neighbours {
1919	my ($map) = @_;
1920
1921	my @neigh; # diagonal neighbours
1922
1923	for (0 .. 3) {
1924	my $neigh = $map->tile_path ($_)
1925	or next;
1926	$neigh = find $neigh, $map
1927	or next;
1928	$neigh->load;
1929
1930	push @neigh,
1931	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1932	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1933	}
1934
1935	for (grep defined $_->[0], @neigh) {
1936	my ($path, $origin) = @$_;
1937	my $neigh = find $path, $origin
1938	or next;
1939	$neigh->load;
1940	}
1941	}
1942
1943	sub find_sync {	2307	sub find_sync {
1944	my ($path, $origin) = @_;	2308	my ($path, $origin) = @_;
1945		2309
1946	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
1947	}	2315	}
1948		2316
1949	sub do_load_sync {	2317	sub do_load_sync {
1950	my ($map) = @_;	2318	my ($map) = @_;
1951		2319
		2320	# it's a bug to call this from the main context
1952	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2321	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
1953	if $Coro::current == $Coro::main;	2322	if $Coro::current == $Coro::main;
1954		2323
1955	cf::sync_job { $map->load };	2324	$map->load;
1956	}	2325	}
1957		2326
1958	our %MAP_PREFETCH;	2327	our %MAP_PREFETCH;
1959	our $MAP_PREFETCHER = undef;	2328	our $MAP_PREFETCHER = undef;
1960		2329
1961	sub find_async {	2330	sub find_async {
1962	my ($path, $origin, $load) = @_;	2331	my ($path, $origin, $load) = @_;
1963		2332
1964	$path = normalise $path, $origin && $origin->{path};	2333	$path = normalise $path, $origin;
1965		2334
1966	if (my $map = $cf::MAP{$path}) {	2335	if (my $map = $cf::MAP{$path}) {
1967	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2336	return $map if !$load || $map->linkable;
1968	}	2337	}
1969		2338
1970	$MAP_PREFETCH{$path} |= $load;	2339	$MAP_PREFETCH{$path} |= $load;
1971		2340
1972	$MAP_PREFETCHER ||= cf::async {	2341	$MAP_PREFETCHER ||= cf::async {
		2342	$Coro::current->{desc} = "map prefetcher";
		2343
1973	while (%MAP_PREFETCH) {	2344	while (%MAP_PREFETCH) {
1974	while (my ($k, $v) = each %MAP_PREFETCH) {	2345	while (my ($k, $v) = each %MAP_PREFETCH) {
1975	if (my $map = find $k) {	2346	if (my $map = find $k) {
1976	$map->load if $v;	2347	$map->load if $v;
1977	}	2348	}
…		…
1984	$MAP_PREFETCHER->prio (6);	2355	$MAP_PREFETCHER->prio (6);
1985		2356
1986	()	2357	()
1987	}	2358	}
1988		2359
		2360	# common code, used by both ->save and ->swapout
1989	sub save {	2361	sub _save {
1990	my ($self) = @_;	2362	my ($self) = @_;
1991
1992	my $lock = cf::lock_acquire "map_data:" . $self->path;
1993		2363
1994	$self->{last_save} = $cf::RUNTIME;	2364	$self->{last_save} = $cf::RUNTIME;
1995		2365
1996	return unless $self->dirty;	2366	return unless $self->dirty;
1997		2367
…		…
2003	return if $self->{deny_save};	2373	return if $self->{deny_save};
2004		2374
2005	local $self->{last_access} = $self->last_access;#d#	2375	local $self->{last_access} = $self->last_access;#d#
2006		2376
2007	cf::async {	2377	cf::async {
		2378	$Coro::current->{desc} = "map player save";
2008	$_->contr->save for $self->players;	2379	$_->contr->save for $self->players;
2009	};	2380	};
		2381
		2382	cf::get_slot 0.02;
2010		2383
2011	if ($uniq) {	2384	if ($uniq) {
2012	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2385	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2013	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2386	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2014	} else {	2387	} else {
2015	$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);
2016	}	2389	}
2017	}	2390	}
2018		2391
		2392	sub save {
		2393	my ($self) = @_;
		2394
		2395	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2396
		2397	$self->_save;
		2398	}
		2399
2019	sub swap_out {	2400	sub swap_out {
2020	my ($self) = @_;	2401	my ($self) = @_;
2021		2402
2022	# save first because save cedes
2023	$self->save;
2024
2025	my $lock = cf::lock_acquire "map_data:" . $self->path;	2403	my $lock = cf::lock_acquire "map_data:$self->{path}";
2026		2404
		2405	return if !$self->linkable;
		2406	return if $self->{deny_save};
2027	return if $self->players;	2407	return if $self->players;
2028	return if $self->in_memory != cf::MAP_IN_MEMORY;
2029	return if $self->{deny_save};
2030		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
2031	$self->clear;	2418	$self->clear;
2032	$self->in_memory (cf::MAP_SWAPPED);
2033	}	2419	}
2034		2420
2035	sub reset_at {	2421	sub reset_at {
2036	my ($self) = @_;	2422	my ($self) = @_;
2037		2423
…		…
2055		2441
2056	my $lock = cf::lock_acquire "map_data:$self->{path}";	2442	my $lock = cf::lock_acquire "map_data:$self->{path}";
2057		2443
2058	return if $self->players;	2444	return if $self->players;
2059		2445
2060	warn "resetting map ", $self->path;	2446	cf::trace "resetting map ", $self->path, "\n";
2061		2447
2062	$self->in_memory (cf::MAP_SWAPPED);	2448	$self->state (cf::MAP_SWAPPED);
2063		2449
2064	# need to save uniques path	2450	# need to save uniques path
2065	unless ($self->{deny_save}) {	2451	unless ($self->{deny_save}) {
2066	my $uniq = $self->uniq_path; utf8::encode $uniq;	2452	my $uniq = $self->uniq_path; utf8::encode $uniq;
2067		2453
…		…
2069	if $uniq;	2455	if $uniq;
2070	}	2456	}
2071		2457
2072	delete $cf::MAP{$self->path};	2458	delete $cf::MAP{$self->path};
2073		2459
		2460	$self->deactivate;
		2461	$_->clear_links_to ($self) for values %cf::MAP;
2074	$self->clear;	2462	$self->clear;
2075
2076	$_->clear_links_to ($self) for values %cf::MAP;
2077		2463
2078	$self->unlink_save;	2464	$self->unlink_save;
2079	$self->destroy;	2465	$self->destroy;
2080	}	2466	}
2081		2467
2082	my $nuke_counter = "aaaa";	2468	my $nuke_counter = "aaaa";
2083		2469
2084	sub nuke {	2470	sub nuke {
2085	my ($self) = @_;	2471	my ($self) = @_;
2086		2472
		2473	{
		2474	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2475
2087	delete $cf::MAP{$self->path};	2476	delete $cf::MAP{$self->path};
2088		2477
2089	$self->unlink_save;	2478	$self->unlink_save;
2090		2479
2091	bless $self, "cf::map";	2480	bless $self, "cf::map::wrap";
2092	delete $self->{deny_reset};	2481	delete $self->{deny_reset};
2093	$self->{deny_save} = 1;	2482	$self->{deny_save} = 1;
2094	$self->reset_timeout (1);	2483	$self->reset_timeout (1);
2095	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2484	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2096		2485
2097	$cf::MAP{$self->path} = $self;	2486	$cf::MAP{$self->path} = $self;
		2487	}
2098		2488
2099	$self->reset; # polite request, might not happen	2489	$self->reset; # polite request, might not happen
2100	}	2490	}
2101		2491
2102	=item $maps = cf::map::tmp_maps	2492	=item $maps = cf::map::tmp_maps
…		…
2144		2534
2145	sub unique_maps() {	2535	sub unique_maps() {
2146	[	2536	[
2147	map {	2537	map {
2148	utf8::decode $_;	2538	utf8::decode $_;
2149	/\.map$/	2539	s/\.map$//; # TODO future compatibility hack
		2540	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2541	? ()
2150	? normalise $_	2542	: normalise $_
2151	: ()
2152	} @{ aio_readdir $UNIQUEDIR or [] }	2543	} @{ aio_readdir $UNIQUEDIR or [] }
2153	]	2544	]
2154	}	2545	}
2155		2546
2156	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	}
2157		2578
2158	=back	2579	=back
2159		2580
2160	=head3 cf::object	2581	=head3 cf::object
2161		2582
…		…
2165		2586
2166	=over 4	2587	=over 4
2167		2588
2168	=item $ob->inv_recursive	2589	=item $ob->inv_recursive
2169		2590
2170	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.
2171		2593
2172	=cut	2594	=cut
2173		2595
2174	sub inv_recursive_;	2596	sub inv_recursive_;
2175	sub inv_recursive_ {	2597	sub inv_recursive_ {
…		…
2178		2600
2179	sub inv_recursive {	2601	sub inv_recursive {
2180	inv_recursive_ inv $_[0]	2602	inv_recursive_ inv $_[0]
2181	}	2603	}
2182		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
2183	package cf;	2633	package cf;
2184		2634
2185	=back	2635	=back
2186		2636
2187	=head3 cf::object::player	2637	=head3 cf::object::player
…		…
2193	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>
2194	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
2195	dialogue with the given NPC character.	2645	dialogue with the given NPC character.
2196		2646
2197	=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	};
2198		2662
2199	# rough implementation of a future "reply" method that works	2663	# rough implementation of a future "reply" method that works
2200	# with dialog boxes.	2664	# with dialog boxes.
2201	#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
2202	sub cf::object::player::reply($$$;$) {	2666	sub cf::object::player::reply($$$;$) {
…		…
2214	my $dialog = $pl->{npc_dialog};	2678	my $dialog = $pl->{npc_dialog};
2215	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2679	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2216		2680
2217	} else {	2681	} else {
2218	$msg = $npc->name . " says: $msg" if $npc;	2682	$msg = $npc->name . " says: $msg" if $npc;
2219	$self->message ($msg, $flags);	2683	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2220	}	2684	}
2221	}	2685	}
2222	}	2686	}
2223		2687
2224	=item $object->send_msg ($channel, $msg, $color, [extra...])	2688	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2249		2713
2250	=item $player_object->enter_link	2714	=item $player_object->enter_link
2251		2715
2252	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}>).
2253		2717
2254	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.
2255	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.
2256		2722
2257	Will never block.	2723	Will never block.
2258		2724
2259	=item $player_object->leave_link ($map, $x, $y)	2725	=item $player_object->leave_link ($map, $x, $y)
2260		2726
…		…
2280	sub cf::object::player::enter_link {	2746	sub cf::object::player::enter_link {
2281	my ($self) = @_;	2747	my ($self) = @_;
2282		2748
2283	$self->deactivate_recursive;	2749	$self->deactivate_recursive;
2284		2750
		2751	++$self->{_link_recursion};
		2752
2285	return if UNIVERSAL::isa $self->map, "ext::map_link";	2753	return if UNIVERSAL::isa $self->map, "ext::map_link";
2286		2754
2287	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2755	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2288	if $self->map && $self->map->{path} ne "{link}";	2756	if $self->map && $self->map->{path} ne "{link}";
2289		2757
2290	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2758	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2291	}	2759	}
2292		2760
2293	sub cf::object::player::leave_link {	2761	sub cf::object::player::leave_link {
2294	my ($self, $map, $x, $y) = @_;	2762	my ($self, $map, $x, $y) = @_;
2295		2763
…		…
2312	($x, $y) = (-1, -1)	2780	($x, $y) = (-1, -1)
2313	unless (defined $x) && (defined $y);	2781	unless (defined $x) && (defined $y);
2314		2782
2315	# use -1 or undef as default coordinates, not 0, 0	2783	# use -1 or undef as default coordinates, not 0, 0
2316	($x, $y) = ($map->enter_x, $map->enter_y)	2784	($x, $y) = ($map->enter_x, $map->enter_y)
2317	if $x <=0 && $y <= 0;	2785	if $x <= 0 && $y <= 0;
2318		2786
2319	$map->load;	2787	$map->load;
2320	$map->load_neighbours;
2321		2788
2322	return unless $self->contr->active;	2789	return unless $self->contr->active;
2323	$self->activate_recursive;
2324		2790
2325	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2791	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2326	$self->enter_map ($map, $x, $y);	2792	if ($self->enter_map ($map, $x, $y)) {
2327	}	2793	# entering was successful
		2794	delete $self->{_link_recursion};
		2795	# only activate afterwards, to support waiting in hooks
		2796	$self->activate_recursive;
		2797	}
2328		2798
		2799	}
		2800
2329	=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)]])
2330		2802
2331	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
2332	her, loading and preparing them map, calling the provided $check callback	2804	her, loading and preparing them map, calling the provided $check callback
2333	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
2334	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
2335	be called at the end of this process.	2807	be called at the end of this process.
2336		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
2337	=cut	2812	=cut
2338		2813
2339	our $GOTOGEN;	2814	our $GOTOGEN;
2340		2815
2341	sub cf::object::player::goto {	2816	sub cf::object::player::goto {
2342	my ($self, $path, $x, $y, $check, $done) = @_;	2817	my ($self, $path, $x, $y, $check, $done) = @_;
2343		2818
		2819	if ($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
2344	# 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
2345	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2826	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2346		2827
2347	$self->enter_link;	2828	$self->enter_link;
2348		2829
2349	(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
2350	my $map = eval {	2852	my $map = eval {
2351	my $map = cf::map::find $path;	2853	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2352		2854
2353	if ($map) {	2855	if ($map) {
2354	$map = $map->customise_for ($self);	2856	$map = $map->customise_for ($self);
2355	$map = $check->($map) if $check && $map;	2857	$map = $check->($map, $x, $y, $self) if $check && $map;
2356	} else {	2858	} else {
2357	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2859	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2358	}	2860	}
2359		2861
2360	$map	2862	$map
2361	};	2863	};
2362		2864
…		…
2368	if ($gen == $self->{_goto_generation}) {	2870	if ($gen == $self->{_goto_generation}) {
2369	delete $self->{_goto_generation};	2871	delete $self->{_goto_generation};
2370	$self->leave_link ($map, $x, $y);	2872	$self->leave_link ($map, $x, $y);
2371	}	2873	}
2372		2874
2373	$done->() if $done;	2875	$done->($self) if $done;
2374	})->prio (1);	2876	})->prio (1);
2375	}	2877	}
2376		2878
2377	=item $player_object->enter_exit ($exit_object)	2879	=item $player_object->enter_exit ($exit_object)
2378		2880
…		…
2398	}	2900	}
2399		2901
2400	sub prepare_random_map {	2902	sub prepare_random_map {
2401	my ($exit) = @_;	2903	my ($exit) = @_;
2402		2904
2403	my $guard = cf::lock_acquire "exit_prepare:$exit";
2404
2405	# all this does is basically replace the /! path by	2905	# all this does is basically replace the /! path by
2406	# a new random map path (?random/...) with a seed	2906	# a new random map path (?random/...) with a seed
2407	# that depends on the exit object	2907	# that depends on the exit object
2408		2908
2409	my $rmp = parse_random_map_params $exit->msg;	2909	my $rmp = parse_random_map_params $exit->msg;
…		…
2411	if ($exit->map) {	2911	if ($exit->map) {
2412	$rmp->{region} = $exit->region->name;	2912	$rmp->{region} = $exit->region->name;
2413	$rmp->{origin_map} = $exit->map->path;	2913	$rmp->{origin_map} = $exit->map->path;
2414	$rmp->{origin_x} = $exit->x;	2914	$rmp->{origin_x} = $exit->x;
2415	$rmp->{origin_y} = $exit->y;	2915	$rmp->{origin_y} = $exit->y;
		2916
		2917	$exit->map->touch;
2416	}	2918	}
2417		2919
2418	$rmp->{random_seed} ||= $exit->random_seed;	2920	$rmp->{random_seed} ||= $exit->random_seed;
2419		2921
2420	my $data = cf::to_json $rmp;	2922	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2421	my $md5 = Digest::MD5::md5_hex $data;	2923	my $md5 = Digest::MD5::md5_hex $data;
2422	my $meta = "$RANDOMDIR/$md5.meta";	2924	my $meta = "$RANDOMDIR/$md5.meta";
2423		2925
2424	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2926	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2425	aio_write $fh, 0, (length $data), $data, 0;	2927	aio_write $fh, 0, (length $data), $data, 0;
2426	undef $fh;	2928	undef $fh;
2427	aio_rename "$meta~", $meta;	2929	aio_rename "$meta~", $meta;
2428		2930
		2931	my $slaying = "?random/$md5";
		2932
		2933	if ($exit->valid) {
2429	$exit->slaying ("?random/$md5");	2934	$exit->slaying ("?random/$md5");
2430	$exit->msg (undef);	2935	$exit->msg (undef);
		2936	}
2431	}	2937	}
2432	}	2938	}
2433		2939
2434	sub cf::object::player::enter_exit {	2940	sub cf::object::player::enter_exit {
2435	my ($self, $exit) = @_;	2941	my ($self, $exit) = @_;
2436		2942
2437	return unless $self->type == cf::PLAYER;	2943	return unless $self->type == cf::PLAYER;
2438		2944
2439	if ($exit->slaying eq "/!") {
2440	#TODO: this should de-fi-ni-te-ly not be a sync-job
2441	# the problem is that $exit might not survive long enough
2442	# so it needs to be done right now, right here
2443	cf::sync_job { prepare_random_map $exit };
2444	}
2445
2446	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2447	my $hp = $exit->stats->hp;
2448	my $sp = $exit->stats->sp;
2449
2450	$self->enter_link;	2945	$self->enter_link;
2451		2946
2452	# if exit is damned, update players death & WoR home-position
2453	$self->contr->savebed ($slaying, $hp, $sp)
2454	if $exit->flag (FLAG_DAMNED);
2455
2456	(async {	2947	(async {
2457	$self->deactivate_recursive; # just to be sure	2948	$Coro::current->{desc} = "enter_exit";
		2949
2458	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
2459	$self->goto ($slaying, $hp, $sp);	2980	$self->goto ($map, $x, $y);
2460		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
2461	1;	2986	1
2462	}) {	2987	}) {
2463	$self->message ("Something went wrong deep within the crossfire server. "	2988	$self->message ("Something went wrong deep within the deliantra server. "
2464	. "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. "
2465	. "Please report this to the dungeon master!",	2990	. "Please report this to the dungeon master!",
2466	cf::NDI_UNIQUE | cf::NDI_RED);	2991	cf::NDI_UNIQUE | cf::NDI_RED);
2467		2992
2468	warn "ERROR in enter_exit: $@";	2993	error "ERROR in enter_exit: $@";
2469	$self->leave_link;	2994	$self->leave_link;
2470	}	2995	}
2471	})->prio (1);	2996	})->prio (1);
2472	}	2997	}
2473		2998
…		…
2485	sub cf::client::send_drawinfo {	3010	sub cf::client::send_drawinfo {
2486	my ($self, $text, $flags) = @_;	3011	my ($self, $text, $flags) = @_;
2487		3012
2488	utf8::encode $text;	3013	utf8::encode $text;
2489	$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);
2490	}	3040	}
2491		3041
2492	=item $client->send_msg ($channel, $msg, $color, [extra...])	3042	=item $client->send_msg ($channel, $msg, $color, [extra...])
2493		3043
2494	Send a drawinfo or msg packet to the client, formatting the msg for the	3044	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2496	the message, with C<log> being the default. If C<$color> is negative, suppress	3046	the message, with C<log> being the default. If C<$color> is negative, suppress
2497	the message unless the client supports the msg packet.	3047	the message unless the client supports the msg packet.
2498		3048
2499	=cut	3049	=cut
2500		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" => $CHAT_CHANNEL,
		3163	);
		3164
2501	sub cf::client::send_msg {	3165	sub cf::client::send_msg {
2502	my ($self, $channel, $msg, $color, @extra) = @_;	3166	my ($self, $channel, $msg, $color, @extra) = @_;
2503		3167
2504	$msg = $self->pl->expand_cfpod ($msg);	3168	$msg = $self->pl->expand_cfpod ($msg)
		3169	unless $color & cf::NDI_VERBATIM;
2505		3170
2506	$color &= cf::NDI_CLIENT_MASK; # just in case...	3171	$color &= cf::NDI_CLIENT_MASK; # just in case...
2507		3172
		3173	# check predefined channels, for the benefit of C
		3174	if ($CHANNEL{$channel}) {
		3175	$channel = $CHANNEL{$channel};
		3176
		3177	$self->ext_msg (channel_info => $channel);
		3178	$channel = $channel->{id};
		3179
2508	if (ref $channel) {	3180	} elsif (ref $channel) {
2509	# send meta info to client, if not yet sent	3181	# send meta info to client, if not yet sent
2510	unless (exists $self->{channel}{$channel->{id}}) {	3182	unless (exists $self->{channel}{$channel->{id}}) {
2511	$self->{channel}{$channel->{id}} = $channel;	3183	$self->{channel}{$channel->{id}} = $channel;
2512	$self->ext_msg (channel_info => $channel);	3184	$self->ext_msg (channel_info => $channel);
2513	}	3185	}
…		…
2515	$channel = $channel->{id};	3187	$channel = $channel->{id};
2516	}	3188	}
2517		3189
2518	return unless @extra || length $msg;	3190	return unless @extra || length $msg;
2519		3191
2520	if ($self->can_msg) {
2521	# default colour, mask it out	3192	# default colour, mask it out
2522	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3193	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2523	if $color & cf::NDI_DEF;	3194	if $color & cf::NDI_DEF;
2524		3195
2525	$self->send_packet ("msg " . $self->{json_coder}->encode (	3196	my $pkt = "msg "
		3197	. $self->{json_coder}->encode (
2526	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3198	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2527	} else {	3199	);
2528	if ($color >= 0) {
2529	# replace some tags by gcfclient-compatible ones
2530	for ($msg) {
2531	1 while
2532	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2533	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2534	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2535	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2536	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2537	}
2538		3200
2539	$color &= cf::NDI_COLOR_MASK;	3201	$self->send_big_packet ($pkt);
2540
2541	utf8::encode $msg;
2542
2543	if (0 && $msg =~ /\[/) {
2544	# COMMAND/INFO
2545	$self->send_packet ("drawextinfo $color 10 8 $msg")
2546	} else {
2547	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2548	$self->send_packet ("drawinfo $color $msg")
2549	}
2550	}
2551	}
2552	}	3202	}
2553		3203
2554	=item $client->ext_msg ($type, @msg)	3204	=item $client->ext_msg ($type, @msg)
2555		3205
2556	Sends an ext event to the client.	3206	Sends an ext event to the client.
…		…
2558	=cut	3208	=cut
2559		3209
2560	sub cf::client::ext_msg($$@) {	3210	sub cf::client::ext_msg($$@) {
2561	my ($self, $type, @msg) = @_;	3211	my ($self, $type, @msg) = @_;
2562		3212
2563	my $extcmd = $self->extcmd;
2564
2565	if ($extcmd == 2) {	3213	if ($self->extcmd == 2) {
2566	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3214	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2567	} elsif ($extcmd == 1) { # TODO: remove	3215	} elsif ($self->extcmd == 1) { # TODO: remove
2568	push @msg, msgtype => "event_$type";	3216	push @msg, msgtype => "event_$type";
2569	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3217	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2570	}	3218	}
2571	}	3219	}
2572		3220
2573	=item $client->ext_reply ($msgid, @msg)	3221	=item $client->ext_reply ($msgid, @msg)
2574		3222
…		…
2577	=cut	3225	=cut
2578		3226
2579	sub cf::client::ext_reply($$@) {	3227	sub cf::client::ext_reply($$@) {
2580	my ($self, $id, @msg) = @_;	3228	my ($self, $id, @msg) = @_;
2581		3229
2582	if ($self->extcmd == 2) {	3230	return unless $self->extcmd == 2;
		3231
2583	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3232	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2584	} elsif ($self->ns->extcmd == 1) {
2585	#TODO: version 1, remove
2586	unshift @msg, msgtype => "reply", msgid => $id;
2587	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2588	}
2589	}	3233	}
2590		3234
2591	=item $success = $client->query ($flags, "text", \&cb)	3235	=item $success = $client->query ($flags, "text", \&cb)
2592		3236
2593	Queues a query to the client, calling the given callback with	3237	Queues a query to the client, calling the given callback with
…		…
2648	my ($ns, $buf) = @_;	3292	my ($ns, $buf) = @_;
2649		3293
2650	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3294	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2651		3295
2652	if (ref $msg) {	3296	if (ref $msg) {
2653	my ($type, $reply, @payload) =	3297	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2654	"ARRAY" eq ref $msg
2655	? @$msg
2656	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2657		3298
2658	my @reply;	3299	my @reply;
2659		3300
2660	if (my $cb = $EXTICMD{$type}) {	3301	if (my $cb = $EXTICMD{$type}) {
2661	@reply = $cb->($ns, @payload);	3302	@reply = $cb->($ns, @payload);
…		…
2663		3304
2664	$ns->ext_reply ($reply, @reply)	3305	$ns->ext_reply ($reply, @reply)
2665	if $reply;	3306	if $reply;
2666		3307
2667	} else {	3308	} else {
2668	warn "client " . ($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";
2669	}	3310	}
2670		3311
2671	cf::override;	3312	cf::override;
2672	},	3313	},
2673	);	3314	);
…		…
2693		3334
2694	$coro	3335	$coro
2695	}	3336	}
2696		3337
2697	cf::client->attach (	3338	cf::client->attach (
2698	on_destroy => sub {	3339	on_client_destroy => sub {
2699	my ($ns) = @_;	3340	my ($ns) = @_;
2700		3341
2701	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3342	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2702	},	3343	},
2703	);	3344	);
…		…
2719	our $safe_hole = new Safe::Hole;	3360	our $safe_hole = new Safe::Hole;
2720		3361
2721	$SIG{FPE} = 'IGNORE';	3362	$SIG{FPE} = 'IGNORE';
2722		3363
2723	$safe->permit_only (Opcode::opset qw(	3364	$safe->permit_only (Opcode::opset qw(
2724	:base_core :base_mem :base_orig :base_math	3365	:base_core :base_mem :base_orig :base_math :base_loop
2725	grepstart grepwhile mapstart mapwhile	3366	grepstart grepwhile mapstart mapwhile
2726	sort time	3367	sort time
2727	));	3368	));
2728		3369
2729	# here we export the classes and methods available to script code	3370	# here we export the classes and methods available to script code
…		…
2731	=pod	3372	=pod
2732		3373
2733	The following functions and methods are available within a safe environment:	3374	The following functions and methods are available within a safe environment:
2734		3375
2735	cf::object	3376	cf::object
2736	contr pay_amount pay_player map x y force_find force_add	3377	contr pay_amount pay_player map x y force_find force_add destroy
2737	insert remove name archname title slaying race decrease_ob_nr	3378	insert remove name archname title slaying race decrease split
		3379	value
2738		3380
2739	cf::object::player	3381	cf::object::player
2740	player	3382	player
2741		3383
2742	cf::player	3384	cf::player
…		…
2747		3389
2748	=cut	3390	=cut
2749		3391
2750	for (	3392	for (
2751	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3393	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2752	insert remove inv name archname title slaying race	3394	insert remove inv nrof name archname title slaying race
2753	decrease_ob_nr)],	3395	decrease split destroy change_exp value msg lore send_msg)],
2754	["cf::object::player" => qw(player)],	3396	["cf::object::player" => qw(player)],
2755	["cf::player" => qw(peaceful)],	3397	["cf::player" => qw(peaceful send_msg)],
2756	["cf::map" => qw(trigger)],	3398	["cf::map" => qw(trigger)],
2757	) {	3399	) {
2758	no strict 'refs';
2759	my ($pkg, @funs) = @$_;	3400	my ($pkg, @funs) = @$_;
2760	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3401	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2761	for @funs;	3402	for @funs;
2762	}	3403	}
2763		3404
…		…
2778		3419
2779	my $qcode = $code;	3420	my $qcode = $code;
2780	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3421	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2781	$qcode =~ s/\n/\\n/g;	3422	$qcode =~ s/\n/\\n/g;
2782		3423
		3424	%vars = (_dummy => 0) unless %vars;
		3425
		3426	my @res;
2783	local $_;	3427	local $_;
2784	local @safe::cf::_safe_eval_args = values %vars;
2785		3428
2786	my $eval =	3429	my $eval =
2787	"do {\n"	3430	"do {\n"
2788	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3431	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2789	. "#line 0 \"{$qcode}\"\n"	3432	. "#line 0 \"{$qcode}\"\n"
2790	. $code	3433	. $code
2791	. "\n}"	3434	. "\n}"
2792	;	3435	;
2793		3436
		3437	if ($CFG{safe_eval}) {
2794	sub_generation_inc;	3438	sub_generation_inc;
		3439	local @safe::cf::_safe_eval_args = values %vars;
2795	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3440	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2796	sub_generation_inc;	3441	sub_generation_inc;
		3442	} else {
		3443	local @cf::_safe_eval_args = values %vars;
		3444	@res = wantarray ? eval eval : scalar eval $eval;
		3445	}
2797		3446
2798	if ($@) {	3447	if ($@) {
2799	warn "$@";	3448	warn "$@",
2800	warn "while executing safe code '$code'\n";	3449	"while executing safe code '$code'\n",
2801	warn "with arguments " . (join " ", %vars) . "\n";	3450	"with arguments " . (join " ", %vars) . "\n";
2802	}	3451	}
2803		3452
2804	wantarray ? @res : $res[0]	3453	wantarray ? @res : $res[0]
2805	}	3454	}
2806		3455
…		…
2820	=cut	3469	=cut
2821		3470
2822	sub register_script_function {	3471	sub register_script_function {
2823	my ($fun, $cb) = @_;	3472	my ($fun, $cb) = @_;
2824		3473
2825	no strict 'refs';	3474	$fun = "safe::$fun" if $CFG{safe_eval};
2826	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3475	*$fun = $safe_hole->wrap ($cb);
2827	}	3476	}
2828		3477
2829	=back	3478	=back
2830		3479
2831	=cut	3480	=cut
…		…
2834	# the server's init and main functions	3483	# the server's init and main functions
2835		3484
2836	sub load_facedata($) {	3485	sub load_facedata($) {
2837	my ($path) = @_;	3486	my ($path) = @_;
2838		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
2839	my $enc = JSON::XS->new->utf8->canonical;	3492	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2840		3493
2841	warn "loading facedata from $path\n";	3494	trace "loading facedata from $path\n";
2842		3495
2843	my $facedata;	3496	my $facedata = decode_storable load_file $path;
2844	0 < aio_load $path, $facedata
2845	or die "$path: $!";
2846
2847	$facedata = Coro::Storable::thaw $facedata;
2848		3497
2849	$facedata->{version} == 2	3498	$facedata->{version} == 2
2850	or cf::cleanup "$path: version mismatch, cannot proceed.";	3499	or cf::cleanup "$path: version mismatch, cannot proceed.";
2851		3500
2852	# 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]);
2853	$facedata->{resource}{"res/exp_table"} = {	3503	$facedata->{resource}{"res/exp_table"} = {
2854	type => FT_RSRC,	3504	type => FT_RSRC,
2855	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),
2856	};	3507	};
2857	cf::cede_to_tick;	3508	cf::cede_to_tick;
2858		3509
2859	{	3510	{
2860	my $faces = $facedata->{faceinfo};	3511	my $faces = $facedata->{faceinfo};
2861		3512
2862	while (my ($face, $info) = each %$faces) {	3513	while (my ($face, $info) = each %$faces) {
2863	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3514	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3515
2864	cf::face::set_visibility $idx, $info->{visibility};	3516	cf::face::set_visibility $idx, $info->{visibility};
2865	cf::face::set_magicmap $idx, $info->{magicmap};	3517	cf::face::set_magicmap $idx, $info->{magicmap};
2866	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3518	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2867	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} , $info->{glyph} ;
2868		3521
2869	cf::cede_to_tick;	3522	cf::cede_to_tick;
2870	}	3523	}
2871		3524
2872	while (my ($face, $info) = each %$faces) {	3525	while (my ($face, $info) = each %$faces) {
2873	next unless $info->{smooth};	3526	next unless $info->{smooth};
		3527
2874	my $idx = cf::face::find $face	3528	my $idx = cf::face::find $face
2875	or next;	3529	or next;
		3530
2876	if (my $smooth = cf::face::find $info->{smooth}) {	3531	if (my $smooth = cf::face::find $info->{smooth}) {
2877	cf::face::set_smooth $idx, $smooth;	3532	cf::face::set_smooth $idx, $smooth;
2878	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3533	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2879	} else {	3534	} else {
2880	warn "smooth face '$info->{smooth}' not found for face '$face'";	3535	error "smooth face '$info->{smooth}' not found for face '$face'";
2881	}	3536	}
2882		3537
2883	cf::cede_to_tick;	3538	cf::cede_to_tick;
2884	}	3539	}
2885	}	3540	}
…		…
2894		3549
2895	cf::anim::invalidate_all; # d'oh	3550	cf::anim::invalidate_all; # d'oh
2896	}	3551	}
2897		3552
2898	{	3553	{
2899	# TODO: for gcfclient pleasure, we should give resources
2900	# that gcfclient doesn't grok a >10000 face index.
2901	my $res = $facedata->{resource};	3554	my $res = $facedata->{resource};
2902		3555
2903	my $soundconf = delete $res->{"res/sound.conf"};
2904
2905	while (my ($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
2906	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3559	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2907	my $data;
2908		3560
2909	if ($info->{type} & 1) {	3561	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2910	# prepend meta info	3562	cf::face::set_type $idx, $type;
2911		3563	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
2912	my $meta = $enc->encode ({
2913	name => $name,
2914	%{ $info->{meta} || {} },
2915	});
2916
2917	$data = pack "(w/a*)*", $meta, $info->{data};
2918	} else {	3564	} else {
2919	$data = $info->{data};	3565	# $RESOURCE{$name} = $info; # unused
2920	}	3566	}
2921		3567
2922	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2923	cf::face::set_type $idx, $info->{type};
2924
2925	cf::cede_to_tick;	3568	cf::cede_to_tick;
2926	}	3569	}
2927
2928	if ($soundconf) {
2929	$soundconf = $enc->decode (delete $soundconf->{data});
2930
2931	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2932	my $sound = $soundconf->{compat}[$_]
2933	or next;
2934
2935	my $face = cf::face::find "sound/$sound->[1]";
2936	cf::sound::set $sound->[0] => $face;
2937	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2938	}
2939
2940	while (my ($k, $v) = each %{$soundconf->{event}}) {
2941	my $face = cf::face::find "sound/$v";
2942	cf::sound::set $k => $face;
2943	}
2944	}
2945	}	3570	}
		3571
		3572	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2946		3573
2947	1	3574	1
2948	}	3575	}
2949		3576
2950	register_exticmd fx_want => sub {	3577	register_exticmd fx_want => sub {
…		…
2953	while (my ($k, $v) = each %$want) {	3580	while (my ($k, $v) = each %$want) {
2954	$ns->fx_want ($k, $v);	3581	$ns->fx_want ($k, $v);
2955	}	3582	}
2956	};	3583	};
2957		3584
		3585	sub load_resource_file($) {
		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	$status
		3593	}
		3594
2958	sub reload_regions {	3595	sub reload_regions {
		3596	# HACK to clear player env face cache, we need some signal framework
		3597	# for this (global event?)
		3598	%ext::player_env::MUSIC_FACE_CACHE = ();
		3599
2959	load_resource_file "$MAPDIR/regions"	3600	load_resource_file "$MAPDIR/regions"
2960	or die "unable to load regions file\n";	3601	or die "unable to load regions file\n";
2961		3602
2962	for (cf::region::list) {	3603	for (cf::region::list) {
2963	$_->{match} = qr/$_->{match}/	3604	$_->{match} = qr/$_->{match}/
…		…
2971	}	3612	}
2972		3613
2973	sub reload_archetypes {	3614	sub reload_archetypes {
2974	load_resource_file "$DATADIR/archetypes"	3615	load_resource_file "$DATADIR/archetypes"
2975	or die "unable to load archetypes\n";	3616	or die "unable to load archetypes\n";
2976	#d# NEED to laod twice to resolve forward references
2977	# this really needs to be done in an extra post-pass
2978	# (which needs to be synchronous, so solve it differently)
2979	load_resource_file "$DATADIR/archetypes"
2980	or die "unable to load archetypes\n";
2981	}	3617	}
2982		3618
2983	sub reload_treasures {	3619	sub reload_treasures {
2984	load_resource_file "$DATADIR/treasures"	3620	load_resource_file "$DATADIR/treasures"
2985	or die "unable to load treasurelists\n";	3621	or die "unable to load treasurelists\n";
2986	}	3622	}
2987		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
2988	sub reload_resources {	3644	sub reload_resources {
2989	warn "reloading resource files...\n";	3645	trace "reloading resource files...\n";
2990		3646
		3647	reload_exp_table;
		3648	reload_materials;
		3649	reload_facedata;
		3650	reload_sound;
		3651	reload_archetypes;
2991	reload_regions;	3652	reload_regions;
2992	reload_facedata;
2993	#reload_archetypes;#d#
2994	reload_archetypes;
2995	reload_treasures;	3653	reload_treasures;
2996		3654
2997	warn "finished reloading resource files\n";	3655	trace "finished reloading resource files\n";
2998	}	3656	}
2999		3657
3000	sub init {	3658	sub reload_config {
3001	reload_resources;	3659	trace "reloading config file...\n";
3002	}
3003		3660
3004	sub cfg_load {	3661	my $config = load_file "$CONFDIR/config";
3005	open my $fh, "<:utf8", "$CONFDIR/config"	3662	utf8::decode $config;
3006	or return;	3663	*CFG = decode_yaml $config;
3007		3664
3008	local $/;
3009	*CFG = YAML::Syck::Load <$fh>;
3010
3011	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3665	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3012		3666
3013	$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};
3014	$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};
3015		3669
3016	if (exists $CFG{mlockall}) {	3670	if (exists $CFG{mlockall}) {
…		…
3020	};	3674	};
3021	warn $@ if $@;	3675	warn $@ if $@;
3022	}	3676	}
3023	}	3677	}
3024		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
3025	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
3026	# we must not ever block the main coroutine	3717	# we must not ever block the main coroutine
3027	local $Coro::idle = sub {	3718	local $Coro::idle = sub {
3028	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#
3029	(async {	3720	(async {
3030	Event::one_event;	3721	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3722	EV::loop EV::LOOP_ONESHOT;
3031	})->prio (Coro::PRIO_MAX);	3723	})->prio (Coro::PRIO_MAX);
3032	};	3724	};
3033		3725
3034	cfg_load;	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;
		3738	reload_config;
3035	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
3036	load_extensions;	3749	load_extensions;
3037		3750
3038	$TICK_WATCHER->start;	3751	utime time, time, $RUNTIMEFILE;
3039	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;
3040	}	3768	}
3041		3769
3042	#############################################################################	3770	#############################################################################
3043	# initialisation and cleanup	3771	# initialisation and cleanup
3044		3772
3045	# install some emergency cleanup handlers	3773	# install some emergency cleanup handlers
3046	BEGIN {	3774	BEGIN {
		3775	our %SIGWATCHER = ();
3047	for my $signal (qw(INT HUP TERM)) {	3776	for my $signal (qw(INT HUP TERM)) {
3048	Event->signal (	3777	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3049	reentrant => 0,
3050	data => WF_AUTOCANCEL,
3051	signal => $signal,
3052	prio => 0,
3053	cb => sub {
3054	cf::cleanup "SIG$signal";	3778	cf::cleanup "SIG$signal";
3055	},
3056	);	3779	};
3057	}	3780	}
3058	}	3781	}
3059		3782
3060	sub write_runtime {	3783	sub write_runtime_sync {
3061	my $runtime = "$LOCALDIR/runtime";	3784	my $t0 = AE::time;
3062		3785
3063	# first touch the runtime file to show we are still running:	3786	# first touch the runtime file to show we are still running:
3064	# the fsync below can take a very very long time.	3787	# the fsync below can take a very very long time.
3065		3788
3066	IO::AIO::aio_utime $runtime, undef, undef;	3789	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3067		3790
3068	my $guard = cf::lock_acquire "write_runtime";	3791	my $guard = cf::lock_acquire "write_runtime";
3069		3792
3070	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3793	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3071	or return;	3794	or return;
3072		3795
3073	my $value = $cf::RUNTIME + 90 + 10;	3796	my $value = $cf::RUNTIME + 90 + 10;
3074	# 10 is the runtime save interval, for a monotonic clock	3797	# 10 is the runtime save interval, for a monotonic clock
3075	# 60 allows for the watchdog to kill the server.	3798	# 60 allows for the watchdog to kill the server.
…		…
3085	aio_utime $fh, undef, undef;	3808	aio_utime $fh, undef, undef;
3086		3809
3087	close $fh	3810	close $fh
3088	or return;	3811	or return;
3089		3812
3090	aio_rename "$runtime~", $runtime	3813	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3091	and return;	3814	and return;
3092		3815
3093	warn "runtime file written.\n";	3816	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3094		3817
3095	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 };
3096	}	3869	}
3097		3870
3098	sub emergency_save() {	3871	sub emergency_save() {
3099	my $freeze_guard = cf::freeze_mainloop;	3872	my $freeze_guard = cf::freeze_mainloop;
3100		3873
3101	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;
3102		3880
3103	cf::sync_job {	3881	cf::sync_job {
		3882	cf::write_runtime_sync; # external watchdog should not bark
		3883
3104	# use a peculiar iteration method to avoid tripping on perl	3884	# use a peculiar iteration method to avoid tripping on perl
3105	# refcount bugs in for. also avoids problems with players	3885	# refcount bugs in for. also avoids problems with players
3106	# and maps saved/destroyed asynchronously.	3886	# and maps saved/destroyed asynchronously.
3107	warn "begin emergency player save\n";	3887	info "emergency_perl_save: begin player save\n";
3108	for my $login (keys %cf::PLAYER) {	3888	for my $login (keys %cf::PLAYER) {
3109	my $pl = $cf::PLAYER{$login} or next;	3889	my $pl = $cf::PLAYER{$login} or next;
3110	$pl->valid or next;	3890	$pl->valid or next;
		3891	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3111	$pl->save;	3892	$pl->save;
3112	}	3893	}
3113	warn "end emergency player save\n";	3894	info "emergency_perl_save: end player save\n";
3114		3895
3115	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";
3116	for my $path (keys %cf::MAP) {	3899	for my $path (keys %cf::MAP) {
3117	my $map = $cf::MAP{$path} or next;	3900	my $map = $cf::MAP{$path} or next;
3118	$map->valid or next;	3901	$map->valid or next;
3119	$map->save;	3902	$map->save;
3120	}	3903	}
3121	warn "end emergency map save\n";	3904	info "emergency_perl_save: end map save\n";
3122		3905
3123	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";
3124	BDB::db_env_txn_checkpoint $DB_ENV;	3909	BDB::db_env_txn_checkpoint $DB_ENV;
3125	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 $DB_ENV;
		3920
		3921	info "emergency_perl_save: starting sync\n";
		3922	IO::AIO::aio_sync sub {
		3923	info "emergency_perl_save: finished sync\n";
		3924	};
		3925
		3926	cf::write_runtime_sync; # external watchdog should not bark
		3927
		3928	trace "emergency_perl_save: flushing outstanding aio requests";
		3929	while (IO::AIO::nreqs || BDB::nreqs) {
		3930	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3931	}
		3932
		3933	cf::write_runtime_sync; # external watchdog should not bark
3126	};	3934	};
3127		3935
3128	warn "leave emergency perl save\n";	3936	info "emergency_perl_save: leave\n";
3129	}	3937	}
3130		3938
3131	sub post_cleanup {	3939	sub post_cleanup {
3132	my ($make_core) = @_;	3940	my ($make_core) = @_;
3133		3941
		3942	IO::AIO::flush;
		3943
3134	warn Carp::longmess "post_cleanup backtrace"	3944	error Carp::longmess "post_cleanup backtrace"
3135	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	}
3136	}	3974	}
3137		3975
3138	sub do_reload_perl() {	3976	sub do_reload_perl() {
3139	# can/must only be called in main	3977	# can/must only be called in main
3140	if ($Coro::current != $Coro::main) {	3978	unless (in_main) {
3141	warn "can only reload from main coroutine";	3979	error "can only reload from main coroutine";
3142	return;	3980	return;
3143	}	3981	}
3144		3982
3145	warn "reloading...";	3983	return if $RELOAD++;
3146		3984
3147	warn "entering sync_job";	3985	my $t1 = AE::time;
3148		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
3149	cf::sync_job {	3993	cf::sync_job {
3150	cf::write_runtime; # external watchdog should not bark
3151	cf::emergency_save;	3994	#cf::emergency_save;
3152	cf::write_runtime; # external watchdog should not bark
3153		3995
3154	warn "syncing database to disk";
3155	BDB::db_env_txn_checkpoint $DB_ENV;
3156
3157	# if anything goes wrong in here, we should simply crash as we already saved
3158
3159	warn "cancelling all WF_AUTOCANCEL watchers";
3160	for (Event::all_watchers) {
3161	$_->cancel if $_->data & WF_AUTOCANCEL;
3162	}
3163
3164	warn "flushing outstanding aio requests";
3165	for (;;) {
3166	BDB::flush;
3167	IO::AIO::flush;
3168	Coro::cede;
3169	last unless IO::AIO::nreqs || BDB::nreqs;
3170	warn "iterate...";
3171	}
3172
3173	++$RELOAD;
3174
3175	warn "cancelling all extension coros";	3996	trace "perl_reload: cancelling all extension coros";
3176	$_->cancel for values %EXT_CORO;	3997	$_->cancel for values %EXT_CORO;
3177	%EXT_CORO = ();	3998	%EXT_CORO = ();
3178		3999
3179	warn "removing commands";	4000	trace "perl_reload: removing commands";
3180	%COMMAND = ();	4001	%COMMAND = ();
3181		4002
3182	warn "removing ext/exti commands";	4003	trace "perl_reload: removing ext/exti commands";
3183	%EXTCMD = ();	4004	%EXTCMD = ();
3184	%EXTICMD = ();	4005	%EXTICMD = ();
3185		4006
3186	warn "unloading/nuking all extensions";	4007	trace "perl_reload: unloading/nuking all extensions";
3187	for my $pkg (@EXTS) {	4008	for my $pkg (@EXTS) {
3188	warn "... unloading $pkg";	4009	trace "... unloading $pkg";
3189		4010
3190	if (my $cb = $pkg->can ("unload")) {	4011	if (my $cb = $pkg->can ("unload")) {
3191	eval {	4012	eval {
3192	$cb->($pkg);	4013	$cb->($pkg);
3193	1	4014	1
3194	} 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;
3195	}	4020	}
3196		4021
3197	warn "... nuking $pkg";
3198	Symbol::delete_package $pkg;
3199	}
3200
3201	warn "unloading all perl modules loaded from $LIBDIR";	4022	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3202	while (my ($k, $v) = each %INC) {	4023	while (my ($k, $v) = each %INC) {
3203	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4024	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3204		4025
3205	warn "... unloading $k";	4026	trace "... unloading $k";
3206	delete $INC{$k};	4027	delete $INC{$k};
3207		4028
3208	$k =~ s/\.pm$//;	4029	$k =~ s/\.pm$//;
3209	$k =~ s/\//::/g;	4030	$k =~ s/\//::/g;
3210		4031
3211	if (my $cb = $k->can ("unload_module")) {	4032	if (my $cb = $k->can ("unload_module")) {
3212	$cb->();	4033	$cb->();
		4034	}
		4035
		4036	clear_package $k;
3213	}	4037	}
3214		4038
3215	Symbol::delete_package $k;
3216	}
3217
3218	warn "getting rid of safe::, as good as possible";	4039	trace "perl_reload: getting rid of safe::, as good as possible";
3219	Symbol::delete_package "safe::$_"	4040	clear_package "safe::$_"
3220	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);
3221		4042
3222	warn "unloading cf.pm \"a bit\"";	4043	trace "perl_reload: unloading cf.pm \"a bit\"";
3223	delete $INC{"cf.pm"};	4044	delete $INC{"cf.pm"};
3224	delete $INC{"cf/pod.pm"};	4045	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3225		4046
3226	# don't, removes xs symbols, too,	4047	# don't, removes xs symbols, too,
3227	# and global variables created in xs	4048	# and global variables created in xs
3228	#Symbol::delete_package __PACKAGE__;	4049	#clear_package __PACKAGE__;
3229		4050
3230	warn "unload completed, starting to reload now";	4051	info "perl_reload: unload completed, starting to reload now";
3231		4052
3232	warn "reloading cf.pm";	4053	trace "perl_reload: reloading cf.pm";
3233	require cf;	4054	require cf;
3234	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4055	cf::_connect_to_perl_1;
3235		4056
3236	warn "loading config and database again";	4057	trace "perl_reload: loading config and database again";
3237	cf::cfg_load;	4058	cf::reload_config;
3238		4059
3239	warn "loading extensions";	4060	trace "perl_reload: loading extensions";
3240	cf::load_extensions;	4061	cf::load_extensions;
3241		4062
		4063	if ($REATTACH_ON_RELOAD) {
3242	warn "reattaching attachments to objects/players";	4064	trace "perl_reload: reattaching attachments to objects/players";
3243	_global_reattach; # objects, sockets	4065	_global_reattach; # objects, sockets
3244	warn "reattaching attachments to maps";	4066	trace "perl_reload: reattaching attachments to maps";
3245	reattach $_ for values %MAP;	4067	reattach $_ for values %MAP;
3246	warn "reattaching attachments to players";	4068	trace "perl_reload: reattaching attachments to players";
3247	reattach $_ for values %PLAYER;	4069	reattach $_ for values %PLAYER;
		4070	}
3248		4071
3249	warn "leaving sync_job";	4072	cf::_post_init 1;
3250		4073
		4074	trace "perl_reload: leaving sync_job";
		4075
3251	1	4076	1
3252	} or do {	4077	} or do {
3253	warn $@;	4078	error $@;
3254	warn "error while reloading, exiting.";	4079	cf::cleanup "perl_reload: error, exiting.";
3255	exit 1;	4080	};
		4081
		4082	--$RELOAD;
3256	};	4083	}
3257		4084
3258	warn "reloaded";	4085	$t1 = AE::time - $t1;
		4086	info "perl_reload: completed in ${t1}s\n";
3259	};	4087	};
3260		4088
3261	our $RELOAD_WATCHER; # used only during reload	4089	our $RELOAD_WATCHER; # used only during reload
3262		4090
3263	sub reload_perl() {	4091	sub reload_perl() {
3264	# doing reload synchronously and two reloads happen back-to-back,	4092	# doing reload synchronously and two reloads happen back-to-back,
3265	# coro crashes during coro_state_free->destroy here.	4093	# coro crashes during coro_state_free->destroy here.
3266		4094
3267	$RELOAD_WATCHER ||= Event->timer (	4095	$RELOAD_WATCHER ||= cf::async {
3268	reentrant => 0,	4096	Coro::AIO::aio_wait cache_extensions;
3269	after => 0,	4097
3270	data => WF_AUTOCANCEL,	4098	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3271	cb => sub {
3272	do_reload_perl;	4099	do_reload_perl;
3273	undef $RELOAD_WATCHER;	4100	undef $RELOAD_WATCHER;
3274	},	4101	};
3275	);	4102	};
3276	}	4103	}
3277		4104
3278	register_command "reload" => sub {	4105	register_command "reload" => sub {
3279	my ($who, $arg) = @_;	4106	my ($who, $arg) = @_;
3280		4107
3281	if ($who->flag (FLAG_WIZ)) {	4108	if ($who->flag (FLAG_WIZ)) {
3282	$who->message ("reloading server.");	4109	$who->message ("reloading server.");
		4110	async {
		4111	$Coro::current->{desc} = "perl_reload";
3283	async { reload_perl };	4112	reload_perl;
		4113	};
3284	}	4114	}
3285	};	4115	};
3286		4116
3287	unshift @INC, $LIBDIR;	4117	#############################################################################
3288		4118
3289	my $bug_warning = 0;	4119	my $bug_warning = 0;
3290		4120
3291	our @WAIT_FOR_TICK;
3292	our @WAIT_FOR_TICK_BEGIN;
3293
3294	sub wait_for_tick {	4121	sub wait_for_tick() {
3295	return unless $TICK_WATCHER->is_active;	4122	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3296	return if $Coro::current == $Coro::main;
3297		4123
3298	my $signal = new Coro::Signal;	4124	$WAIT_FOR_TICK->wait;
3299	push @WAIT_FOR_TICK, $signal;
3300	$signal->wait;
3301	}	4125	}
3302		4126
3303	sub wait_for_tick_begin {	4127	sub wait_for_tick_begin() {
3304	return unless $TICK_WATCHER->is_active;	4128	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3305	return if $Coro::current == $Coro::main;
3306		4129
3307	my $signal = new Coro::Signal;	4130	my $signal = new Coro::Signal;
3308	push @WAIT_FOR_TICK_BEGIN, $signal;	4131	push @WAIT_FOR_TICK_BEGIN, $signal;
3309	$signal->wait;	4132	$signal->wait;
3310	}	4133	}
3311		4134
3312	my $min = 1e6;#d#	4135	sub tick {
3313	my $avg = 10;
3314	$TICK_WATCHER = Event->timer (
3315	reentrant => 0,
3316	parked => 1,
3317	prio => 0,
3318	at => $NEXT_TICK || $TICK,
3319	data => WF_AUTOCANCEL,
3320	cb => sub {
3321	if ($Coro::current != $Coro::main) {	4136	if ($Coro::current != $Coro::main) {
3322	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"
3323	unless ++$bug_warning > 10;	4138	unless ++$bug_warning > 10;
3324	return;	4139	return;
3325	}	4140	}
3326		4141
3327	$NOW = $tick_start = Event::time;	4142	cf::one_tick; # one server iteration
3328		4143
3329	cf::server_tick; # one server iteration	4144	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3330		4145
3331	0 && sync_job {#d#	4146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3332	for(1..10) {	4147	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3333	my $t = Event::time;	4148	Coro::async_pool {
3334	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4149	$Coro::current->{desc} = "runtime saver";
3335	or die;	4150	write_runtime_sync
3336		4151	or error "ERROR: unable to write runtime file: $!";
3337	$map->width (50);
3338	$map->height (50);
3339	$map->alloc;
3340	$map->_load_objects ("/tmp/x.map", 1);
3341	my $t = Event::time - $t;
3342
3343	#next unless $t < 0.0013;#d#
3344	if ($t < $min) {
3345	$min = $t;
3346	}
3347	$avg = $avg * 0.99 + $t * 0.01;
3348	}
3349	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3350	exit 0;
3351	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3352	};	4152	};
		4153	}
3353		4154
3354	$RUNTIME += $TICK;
3355	$NEXT_TICK += $TICK;
3356
3357	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3358	$NEXT_RUNTIME_WRITE = $NOW + 10;
3359	Coro::async_pool {
3360	write_runtime
3361	or warn "ERROR: unable to write runtime file: $!";
3362	};
3363	}
3364
3365	# my $AFTER = Event::time;
3366	# warn $AFTER - $NOW;#d#
3367
3368	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4155	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3369	$sig->send;	4156	$sig->send;
3370	}	4157	}
3371	while (my $sig = shift @WAIT_FOR_TICK) {	4158	$WAIT_FOR_TICK->broadcast;
3372	$sig->send;
3373	}
3374		4159
3375	$NOW = Event::time;	4160	$LOAD = ($NOW - $TICK_START) / $TICK;
3376
3377	# if we are delayed by four ticks or more, skip them all
3378	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3379
3380	$TICK_WATCHER->at ($NEXT_TICK);
3381	$TICK_WATCHER->start;
3382
3383	$LOAD = ($NOW - $tick_start) / $TICK;
3384	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4161	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3385		4162
3386	_post_tick;	4163	if (0) {
3387		4164	if ($NEXT_TICK) {
3388		4165	my $jitter = $TICK_START - $NEXT_TICK;
		4166	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4167	debug "jitter $JITTER\n";#d#
		4168	}
3389	},	4169	}
3390	);	4170	}
3391		4171
3392	{	4172	{
3393	BDB::max_poll_time $TICK * 0.1;	4173	# configure BDB
3394	$BDB_POLL_WATCHER = Event->io (	4174
3395	reentrant => 0,
3396	fd => BDB::poll_fileno,
3397	poll => 'r',
3398	prio => 0,
3399	data => WF_AUTOCANCEL,
3400	cb => \&BDB::poll_cb,
3401	);
3402	BDB::min_parallel 8;	4175	BDB::min_parallel 16;
3403		4176	BDB::max_poll_reqs $TICK * 0.1;
3404	BDB::set_sync_prepare {	4177	#$AnyEvent::BDB::WATCHER->priority (1);
3405	my $status;
3406	my $current = $Coro::current;
3407	(
3408	sub {
3409	$status = $!;
3410	$current->ready; undef $current;
3411	},
3412	sub {
3413	Coro::schedule while defined $current;
3414	$! = $status;
3415	},
3416	)
3417	};
3418		4178
3419	unless ($DB_ENV) {	4179	unless ($DB_ENV) {
3420	$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);
3421		4186
3422	cf::sync_job {	4187	cf::sync_job {
3423	eval {	4188	eval {
3424	BDB::db_env_open	4189	BDB::db_env_open
3425	$DB_ENV,	4190	$DB_ENV,
…		…
3427	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
3428	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4193	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3429	0666;	4194	0666;
3430		4195
3431	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4196	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3432
3433	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3434	$DB_ENV->set_lk_detect;
3435	};	4197	};
3436		4198
3437	cf::cleanup "db_env_open(db): $@" if $@;	4199	cf::cleanup "db_env_open(db): $@" if $@;
3438	};	4200	};
3439	}	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	};
3440	}	4212	}
3441		4213
3442	{	4214	{
		4215	# configure IO::AIO
		4216
3443	IO::AIO::min_parallel 8;	4217	IO::AIO::min_parallel 8;
3444
3445	undef $Coro::AIO::WATCHER;
3446	IO::AIO::max_poll_time $TICK * 0.1;	4218	IO::AIO::max_poll_time $TICK * 0.1;
3447	$AIO_POLL_WATCHER = Event->io (	4219	undef $AnyEvent::AIO::WATCHER;
3448	reentrant => 0,
3449	data => WF_AUTOCANCEL,
3450	fd => IO::AIO::poll_fileno,
3451	poll => 'r',
3452	prio => 6,
3453	cb => \&IO::AIO::poll_cb,
3454	);
3455	}	4220	}
3456		4221
3457	my $_log_backtrace;	4222	our $_log_backtrace;
		4223	our $_log_backtrace_last;
3458		4224
3459	sub _log_backtrace {	4225	sub _log_backtrace {
3460	my ($msg, @addr) = @_;	4226	my ($msg, @addr) = @_;
3461		4227
3462	$msg =~ s/\n//;	4228	$msg =~ s/\n$//;
3463		4229
		4230	if ($_log_backtrace_last eq $msg) {
		4231	LOG llevInfo, "[ABT] $msg\n";
		4232	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3464	# limit the # of concurrent backtraces	4233	# limit the # of concurrent backtraces
3465	if ($_log_backtrace < 2) {	4234	} elsif ($_log_backtrace < 2) {
		4235	$_log_backtrace_last = $msg;
3466	++$_log_backtrace;	4236	++$_log_backtrace;
		4237	my $perl_bt = Carp::longmess $msg;
3467	async {	4238	async {
		4239	$Coro::current->{desc} = "abt $msg";
		4240
3468	my @bt = fork_call {	4241	my @bt = fork_call {
3469	@addr = map { sprintf "%x", $_ } @addr;	4242	@addr = map { sprintf "%x", $_ } @addr;
3470	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4243	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3471	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 |"
3472	or die "addr2line: $!";	4245	or die "addr2line: $!";
…		…
3480	}	4253	}
3481		4254
3482	@funcs	4255	@funcs
3483	};	4256	};
3484		4257
3485	LOG llevInfo, "[ABT] $msg\n";	4258	LOG llevInfo, "[ABT] $perl_bt\n";
		4259	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3486	LOG llevInfo, "[ABT] $_\n" for @bt;	4260	LOG llevInfo, "[ABT] $_\n" for @bt;
3487	--$_log_backtrace;	4261	--$_log_backtrace;
3488	};	4262	};
3489	} else {	4263	} else {
3490	LOG llevInfo, "[ABT] $msg\n";	4264	LOG llevInfo, "[ABT] $msg\n";
3491	LOG llevInfo, "[ABT] [suppressed]\n";	4265	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3492	}	4266	}
3493	}	4267	}
3494		4268
3495	# load additional modules	4269	# load additional modules
3496	use cf::pod;	4270	require "cf/$_.pm" for @EXTRA_MODULES;
		4271	cf::_connect_to_perl_2;
3497		4272
3498	END { cf::emergency_save }	4273	END { cf::emergency_save }
3499		4274
3500	1	4275	1
3501		4276

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