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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.367 by root, Wed Sep 12 11:10:11 2007 UTC vs.
Revision 1.587 by root, Wed Oct 31 19:09:47 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 AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 3.64 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
24	use Coro::Util ();	54	use Coro::Util ();
25		55
		56	use Guard ();
26	use JSON::XS ();	57	use JSON::XS 2.01 ();
27	use BDB ();	58	use BDB ();
28	use Data::Dumper;	59	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	60	use Fcntl;
31	use YAML::Syck ();	61	use YAML::XS ();
32	use IO::AIO 2.32 ();	62	use IO::AIO ();
33	use Time::HiRes;	63	use Time::HiRes;
34	use Compress::LZF;	64	use Compress::LZF;
35	use Digest::MD5 ();	65	use Digest::MD5 ();
		66
		67	AnyEvent::detect;
36		68
37	# configure various modules to our taste	69	# configure various modules to our taste
38	#	70	#
39	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	72	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		73
		74	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		75
		76	# make sure c-lzf reinitialises itself
		77	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	78	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		79
43	$Event::Eval = 1; # no idea why this is required, but it is	80	# strictly for debugging
44		81	$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		82
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	83	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		84
		85	our @ORIG_INC;
51		86
52	our %COMMAND = ();	87	our %COMMAND = ();
53	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
54		89
55	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	91	our %EXTCMD = ();
57	our %EXTICMD = ();	92	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	93	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	94	our %EXT_MAP = (); # pluggable maps
60		95
61	our $RELOAD; # number of reloads so far	96	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	97	our @EVENT;
		98	our @REFLECT; # set by XS
		99	our %REFLECT; # set by us
63		100
64	our $CONFDIR = confdir;	101	our $CONFDIR = confdir;
		102
65	our $DATADIR = datadir;	103	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	104	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	105	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	106	our $MAPDIR = "$DATADIR/" . mapdir;
		107
69	our $LOCALDIR = localdir;	108	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	109	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	110	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	111	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	112	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	113	our $BDBDIR = "$LOCALDIR/db";
		114	our $PIDFILE = "$LOCALDIR/pid";
		115	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		116
		117	#our %RESOURCE; # unused
		118
		119	our $OUTPUT_RATE_MIN = 3000;
		120	our $OUTPUT_RATE_MAX = 1000000;
		121
		122	our $MAX_LINKS = 32; # how many chained exits to follow
		123	our $VERBOSE_IO = 1;
75		124
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	125	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	126	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	127	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	128	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		129
84	our $BDB_POLL_WATCHER;	130	our $BDB_DEADLOCK_WATCHER;
85	our $BDB_CHECKPOINT_WATCHER;	131	our $BDB_CHECKPOINT_WATCHER;
86	our $BDB_TRICKLE_WATCHER;	132	our $BDB_TRICKLE_WATCHER;
87	our $DB_ENV;	133	our $DB_ENV;
88		134
		135	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		136
89	our %CFG;	137	our %CFG;
		138	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
90		139
91	our $UPTIME; $UPTIME ||= time;	140	our $UPTIME; $UPTIME ||= time;
92	our $RUNTIME;	141	our $RUNTIME = 0;
		142	our $SERVER_TICK = 0;
		143	our $NOW;
93		144
94	our (%PLAYER, %PLAYER_LOADING); # all users	145	our (%PLAYER, %PLAYER_LOADING); # all users
95	our (%MAP, %MAP_LOADING ); # all maps	146	our (%MAP, %MAP_LOADING ); # all maps
96	our $LINK_MAP; # the special {link} map, which is always available	147	our $LINK_MAP; # the special {link} map, which is always available
97		148
98	# used to convert map paths into valid unix filenames by replacing / by ∕	149	# used to convert map paths into valid unix filenames by replacing / by ∕
99	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	150	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
100		151
101	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	152	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
102	our $LOADAVG; # same thing, but with alpha-smoothing	153	our $LOADAVG; # same thing, but with alpha-smoothing
		154	our $JITTER; # average jitter
103	our $tick_start; # for load detecting purposes	155	our $TICK_START; # for load detecting purposes
		156
		157	our @POST_INIT;
		158
		159	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		160	our $REALLY_UNLOOP; # never set to true, please :)
		161
		162	our $WAIT_FOR_TICK = new Coro::Signal;
		163	our @WAIT_FOR_TICK_BEGIN;
104		164
105	binmode STDOUT;	165	binmode STDOUT;
106	binmode STDERR;	166	binmode STDERR;
107		167
108	# read virtual server time, if available	168	# read virtual server time, if available
109	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	169	unless ($RUNTIME || !-e $RUNTIMEFILE) {
110	open my $fh, "<", "$LOCALDIR/runtime"	170	open my $fh, "<", $RUNTIMEFILE
111	or die "unable to read runtime file: $!";	171	or die "unable to read $RUNTIMEFILE file: $!";
112	$RUNTIME = <$fh> + 0.;	172	$RUNTIME = <$fh> + 0.;
113	}	173	}
		174
		175	eval "sub TICK() { $TICK } 1" or die;
114		176
115	mkdir $_	177	mkdir $_
116	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	178	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
117		179
118	our $EMERGENCY_POSITION;	180	our $EMERGENCY_POSITION;
119		181
120	sub cf::map::normalise;	182	sub cf::map::normalise;
121		183
		184	sub in_main() {
		185	$Coro::current == $Coro::main
		186	}
		187
122	#############################################################################	188	#############################################################################
123		189
		190	%REFLECT = ();
		191	for (@REFLECT) {
		192	my $reflect = JSON::XS::decode_json $_;
		193	$REFLECT{$reflect->{class}} = $reflect;
		194	}
		195
		196	# this is decidedly evil
		197	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		198
		199	#############################################################################
		200
124	=head2 GLOBAL VARIABLES	201	=head2 GLOBAL VARIABLES
125		202
126	=over 4	203	=over 4
127		204
128	=item $cf::UPTIME	205	=item $cf::UPTIME
129		206
130	The timestamp of the server start (so not actually an uptime).	207	The timestamp of the server start (so not actually an "uptime").
		208
		209	=item $cf::SERVER_TICK
		210
		211	An unsigned integer that starts at zero when the server is started and is
		212	incremented on every tick.
		213
		214	=item $cf::NOW
		215
		216	The (real) time of the last (current) server tick - updated before and
		217	after tick processing, so this is useful only as a rough "what time is it
		218	now" estimate.
		219
		220	=item $cf::TICK
		221
		222	The interval between each server tick, in seconds.
131		223
132	=item $cf::RUNTIME	224	=item $cf::RUNTIME
133		225
134	The time this server has run, starts at 0 and is increased by $cf::TICK on	226	The time this server has run, starts at 0 and is increased by $cf::TICK on
135	every server tick.	227	every server tick.
…		…
141	Various directories - "/etc", read-only install directory, perl-library	233	Various directories - "/etc", read-only install directory, perl-library
142	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	234	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
143	unique-items directory, player file directory, random maps directory and	235	unique-items directory, player file directory, random maps directory and
144	database environment.	236	database environment.
145		237
146	=item $cf::NOW
147
148	The time of the last (current) server tick.
149
150	=item $cf::TICK
151
152	The interval between server ticks, in seconds.
153
154	=item $cf::LOADAVG	238	=item $cf::LOADAVG
155		239
156	The current CPU load on the server (alpha-smoothed), as a value between 0	240	The current CPU load on the server (alpha-smoothed), as a value between 0
157	(none) and 1 (overloaded), indicating how much time is spent on processing	241	(none) and 1 (overloaded), indicating how much time is spent on processing
158	objects per tick. Healthy values are < 0.5.	242	objects per tick. Healthy values are < 0.5.
…		…
161		245
162	The raw value load value from the last tick.	246	The raw value load value from the last tick.
163		247
164	=item %cf::CFG	248	=item %cf::CFG
165		249
166	Configuration for the server, loaded from C</etc/crossfire/config>, or	250	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
167	from wherever your confdir points to.	251	from wherever your confdir points to.
168		252
169	=item cf::wait_for_tick, cf::wait_for_tick_begin	253	=item cf::wait_for_tick, cf::wait_for_tick_begin
170		254
171	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	255	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
172	returns directly I<after> the tick processing (and consequently, can only wake one process	256	returns directly I<after> the tick processing (and consequently, can only wake one thread
173	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	257	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
174		258
		259	Note that cf::Wait_for_tick will immediately return when the server is not
		260	ticking, making it suitable for small pauses in threads that need to run
		261	when the server is paused. If that is not applicable (i.e. you I<really>
		262	want to wait, use C<$cf::WAIT_FOR_TICK>).
		263
		264	=item $cf::WAIT_FOR_TICK
		265
		266	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		267	variable contains a L<Coro::Signal> that is broadcats after every server
		268	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		269	next server tick.
		270
		271	=cut
		272
		273	sub wait_for_tick();
		274	sub wait_for_tick_begin();
		275
175	=item @cf::INVOKE_RESULTS	276	=item @cf::INVOKE_RESULTS
176		277
177	This array contains the results of the last C<invoke ()> call. When	278	This array contains the results of the last C<invoke ()> call. When
178	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	279	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
179	that call.	280	that call.
180		281
		282	=item %cf::REFLECT
		283
		284	Contains, for each (C++) class name, a hash reference with information
		285	about object members (methods, scalars, arrays and flags) and other
		286	metadata, which is useful for introspection.
		287
181	=back	288	=back
182		289
183	=cut	290	=cut
184		291
185	BEGIN {	292	sub error(@) { LOG llevError, join "", @_ }
186	*CORE::GLOBAL::warn = sub {	293	sub warn (@) { LOG llevWarn , join "", @_ }
		294	sub info (@) { LOG llevInfo , join "", @_ }
		295	sub debug(@) { LOG llevDebug, join "", @_ }
		296	sub trace(@) { LOG llevTrace, join "", @_ }
		297
		298	$Coro::State::WARNHOOK = sub {
187	my $msg = join "", @_;	299	my $msg = join "", @_;
188		300
189	$msg .= "\n"	301	$msg .= "\n"
190	unless $msg =~ /\n$/;	302	unless $msg =~ /\n$/;
191		303
192	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	304	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
193		305
194	LOG llevError, $msg;	306	LOG llevWarn, $msg;
195	};	307	};
196	}	308
		309	$Coro::State::DIEHOOK = sub {
		310	return unless $^S eq 0; # "eq", not "=="
		311
		312	error Carp::longmess $_[0];
		313
		314	if (in_main) {#d#
		315	error "DIEHOOK called in main context, Coro bug?\n";#d#
		316	return;#d#
		317	}#d#
		318
		319	# kill coroutine otherwise
		320	Coro::terminate
		321	};
197		322
198	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	323	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
199	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	324	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
200	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	325	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
201	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	326	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
208	for my $pkg (qw(	333	for my $pkg (qw(
209	cf::global cf::attachable	334	cf::global cf::attachable
210	cf::object cf::object::player	335	cf::object cf::object::player
211	cf::client cf::player	336	cf::client cf::player
212	cf::arch cf::living	337	cf::arch cf::living
		338	cf::map cf::mapspace
213	cf::map cf::party cf::region	339	cf::party cf::region
214	)) {	340	)) {
215	no strict 'refs';
216	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	341	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
217	}	342	}
218		343
219	$Event::DIED = sub {	344	$EV::DIED = sub {
220	warn "error in event callback: @_";	345	warn "error in event callback: $@";
221	};	346	};
		347
		348	#############################################################################
		349
		350	sub fork_call(&@);
		351	sub get_slot($;$$);
222		352
223	#############################################################################	353	#############################################################################
224		354
225	=head2 UTILITY FUNCTIONS	355	=head2 UTILITY FUNCTIONS
226		356
…		…
247	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	377	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
248	$d	378	$d
249	} || "[unable to dump $_[0]: '$@']";	379	} || "[unable to dump $_[0]: '$@']";
250	}	380	}
251		381
		382	=item $scalar = cf::load_file $path
		383
		384	Loads the given file from path and returns its contents. Croaks on error
		385	and can block.
		386
		387	=cut
		388
		389	sub load_file($) {
		390	0 <= aio_load $_[0], my $data
		391	or Carp::croak "$_[0]: $!";
		392
		393	$data
		394	}
		395
		396	=item $success = cf::replace_file $path, $data, $sync
		397
		398	Atomically replaces the file at the given $path with new $data, and
		399	optionally $sync the data to disk before replacing the file.
		400
		401	=cut
		402
		403	sub replace_file($$;$) {
		404	my ($path, $data, $sync) = @_;
		405
		406	my $lock = cf::lock_acquire ("replace_file:$path");
		407
		408	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		409	or return;
		410
		411	$data = $data->() if ref $data;
		412
		413	length $data == aio_write $fh, 0, (length $data), $data, 0
		414	or return;
		415
		416	!$sync
		417	or !aio_fsync $fh
		418	or return;
		419
		420	aio_close $fh
		421	and return;
		422
		423	aio_rename "$path~", $path
		424	and return;
		425
		426	if ($sync) {
		427	$path =~ s%/[^/]*$%%;
		428	aio_pathsync $path;
		429	}
		430
		431	1
		432	}
		433
252	=item $ref = cf::from_json $json	434	=item $ref = cf::decode_json $json
253		435
254	Converts a JSON string into the corresponding perl data structure.	436	Converts a JSON string into the corresponding perl data structure.
255		437
256	=item $json = cf::to_json $ref	438	=item $json = cf::encode_json $ref
257		439
258	Converts a perl data structure into its JSON representation.	440	Converts a perl data structure into its JSON representation.
259		441
260	=cut	442	=cut
261		443
262	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	444	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
263		445
264	sub to_json ($) { $json_coder->encode ($_[0]) }	446	sub encode_json($) { $json_coder->encode ($_[0]) }
265	sub from_json ($) { $json_coder->decode ($_[0]) }	447	sub decode_json($) { $json_coder->decode ($_[0]) }
		448
		449	=item $ref = cf::decode_storable $scalar
		450
		451	Same as Coro::Storable::thaw, so blocks.
		452
		453	=cut
		454
		455	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		456
		457	=item $ref = cf::decode_yaml $scalar
		458
		459	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		460
		461	=cut
		462
		463	sub decode_yaml($) {
		464	fork_call { YAML::XS::Load $_[0] } @_
		465	}
		466
		467	=item $scalar = cf::unlzf $scalar
		468
		469	Same as Compress::LZF::compress, but takes server ticks into account, so
		470	blocks.
		471
		472	=cut
		473
		474	sub unlzf($) {
		475	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		476	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		477	Compress::LZF::decompress $_[0]
		478	}
		479
		480	=item cf::post_init { BLOCK }
		481
		482	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		483	but I<before> the server starts ticking again.
		484
		485	The codeblock will have a single boolean argument to indicate whether this
		486	is a reload or not.
		487
		488	=cut
		489
		490	sub post_init(&) {
		491	push @POST_INIT, shift;
		492	}
		493
		494	sub _post_init {
		495	trace "running post_init jobs";
		496
		497	# run them in parallel...
		498
		499	my @join;
		500
		501	while () {
		502	push @join, map &Coro::async ($_, 0), @POST_INIT;
		503	@POST_INIT = ();
		504
		505	@join or last;
		506
		507	(pop @join)->join;
		508	}
		509	}
266		510
267	=item cf::lock_wait $string	511	=item cf::lock_wait $string
268		512
269	Wait until the given lock is available. See cf::lock_acquire.	513	Wait until the given lock is available. See cf::lock_acquire.
270		514
271	=item my $lock = cf::lock_acquire $string	515	=item my $lock = cf::lock_acquire $string
272		516
273	Wait until the given lock is available and then acquires it and returns	517	Wait until the given lock is available and then acquires it and returns
274	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	518	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
275	for example when the coroutine gets canceled), the lock is automatically	519	for example when the coroutine gets canceled), the lock is automatically
276	returned.	520	returned.
277		521
278	Locks are *not* recursive, locking from the same coro twice results in a	522	Locks are *not* recursive, locking from the same coro twice results in a
279	deadlocked coro.	523	deadlocked coro.
…		…
285		529
286	Return true if the lock is currently active, i.e. somebody has locked it.	530	Return true if the lock is currently active, i.e. somebody has locked it.
287		531
288	=cut	532	=cut
289		533
290	our %LOCK;	534	our $LOCKS = new Coro::SemaphoreSet;
291	our %LOCKER;#d#
292		535
293	sub lock_wait($) {	536	sub lock_wait($) {
294	my ($key) = @_;	537	$LOCKS->wait ($_[0]);
295
296	if ($LOCKER{$key} == $Coro::current) {#d#
297	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
298	return;#d#
299	}#d#
300
301	# wait for lock, if any
302	while ($LOCK{$key}) {
303	push @{ $LOCK{$key} }, $Coro::current;
304	Coro::schedule;
305	}
306	}	538	}
307		539
308	sub lock_acquire($) {	540	sub lock_acquire($) {
309	my ($key) = @_;	541	$LOCKS->guard ($_[0])
310
311	# wait, to be sure we are not locked
312	lock_wait $key;
313
314	$LOCK{$key} = [];
315	$LOCKER{$key} = $Coro::current;#d#
316
317	Coro::guard {
318	delete $LOCKER{$key};#d#
319	# wake up all waiters, to be on the safe side
320	$_->ready for @{ delete $LOCK{$key} };
321	}
322	}	542	}
323		543
324	sub lock_active($) {	544	sub lock_active($) {
325	my ($key) = @_;	545	$LOCKS->count ($_[0]) < 1
326
327	! ! $LOCK{$key}
328	}	546	}
329		547
330	sub freeze_mainloop {	548	sub freeze_mainloop {
331	return unless $TICK_WATCHER->is_active;	549	tick_inhibit_inc;
332		550
333	my $guard = Coro::guard {	551	&Guard::guard (\&tick_inhibit_dec);
334	$TICK_WATCHER->start;	552	}
335	};	553
336	$TICK_WATCHER->stop;	554	=item cf::periodic $interval, $cb
337	$guard	555
		556	Like EV::periodic, but randomly selects a starting point so that the actions
		557	get spread over time.
		558
		559	=cut
		560
		561	sub periodic($$) {
		562	my ($interval, $cb) = @_;
		563
		564	my $start = rand List::Util::min 180, $interval;
		565
		566	EV::periodic $start, $interval, 0, $cb
338	}	567	}
339		568
340	=item cf::get_slot $time[, $priority[, $name]]	569	=item cf::get_slot $time[, $priority[, $name]]
341		570
342	Allocate $time seconds of blocking CPU time at priority C<$priority>:	571	Allocate $time seconds of blocking CPU time at priority C<$priority>
343	This call blocks and returns only when you have at least C<$time> seconds	572	(default: 0): This call blocks and returns only when you have at least
344	of cpu time till the next tick. The slot is only valid till the next cede.	573	C<$time> seconds of cpu time till the next tick. The slot is only valid
		574	till the next cede.
		575
		576	Background jobs should use a priority les than zero, interactive jobs
		577	should use 100 or more.
345		578
346	The optional C<$name> can be used to identify the job to run. It might be	579	The optional C<$name> can be used to identify the job to run. It might be
347	used for statistical purposes and should identify the same time-class.	580	used for statistical purposes and should identify the same time-class.
348		581
349	Useful for short background jobs.	582	Useful for short background jobs.
350		583
351	=cut	584	=cut
352		585
353	our @SLOT_QUEUE;	586	our @SLOT_QUEUE;
354	our $SLOT_QUEUE;	587	our $SLOT_QUEUE;
		588	our $SLOT_DECAY = 0.9;
355		589
356	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	590	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
357	$SLOT_QUEUE = Coro::async {	591	$SLOT_QUEUE = Coro::async {
		592	$Coro::current->desc ("timeslot manager");
		593
358	my $signal = new Coro::Signal;	594	my $signal = new Coro::Signal;
		595	my $busy;
359		596
360	while () {	597	while () {
361	next_job:	598	next_job:
		599
362	my $avail = cf::till_tick;	600	my $avail = cf::till_tick;
363	if ($avail > 0.01) {	601
364	for (0 .. $#SLOT_QUEUE) {	602	for (0 .. $#SLOT_QUEUE) {
365	if ($SLOT_QUEUE[$_][0] < $avail) {	603	if ($SLOT_QUEUE[$_][0] <= $avail) {
		604	$busy = 0;
366	my $job = splice @SLOT_QUEUE, $_, 1, ();	605	my $job = splice @SLOT_QUEUE, $_, 1, ();
367	$job->[2]->send;	606	$job->[2]->send;
368	Coro::cede;	607	Coro::cede;
369	goto next_job;	608	goto next_job;
370	}	609	} else {
		610	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
371	}	611	}
372	}	612	}
373		613
374	if (@SLOT_QUEUE) {	614	if (@SLOT_QUEUE) {
375	# we do not use wait_For_tick() as it returns immediately when tick is inactive	615	# we do not use wait_for_tick() as it returns immediately when tick is inactive
376	push @cf::WAIT_FOR_TICK, $signal;	616	$WAIT_FOR_TICK->wait;
377	$signal->wait;
378	} else {	617	} else {
		618	$busy = 0;
379	Coro::schedule;	619	Coro::schedule;
380	}	620	}
381	}	621	}
382	};	622	};
383		623
384	sub get_slot($;$$) {	624	sub get_slot($;$$) {
		625	return if tick_inhibit || $Coro::current == $Coro::main;
		626
385	my ($time, $pri, $name) = @_;	627	my ($time, $pri, $name) = @_;
386		628
387	$time = $TICK * .6 if $time > $TICK * .6;	629	$time = clamp $time, 0.01, $TICK * .6;
		630
388	my $sig = new Coro::Signal;	631	my $sig = new Coro::Signal;
389		632
390	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	633	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
391	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	634	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
392	$SLOT_QUEUE->ready;	635	$SLOT_QUEUE->ready;
…		…
403		646
404	BEGIN { *async = \&Coro::async_pool }	647	BEGIN { *async = \&Coro::async_pool }
405		648
406	=item cf::sync_job { BLOCK }	649	=item cf::sync_job { BLOCK }
407		650
408	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	651	The design of Deliantra requires that the main coroutine ($Coro::main)
409	is always able to handle events or runnable, as Crossfire TRT is only	652	is always able to handle events or runnable, as Deliantra is only
410	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	653	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
411	acceptable.	654	acceptable.
412		655
413	If it must be done, put the blocking parts into C<sync_job>. This will run	656	If it must be done, put the blocking parts into C<sync_job>. This will run
414	the given BLOCK in another coroutine while waiting for the result. The	657	the given BLOCK in another coroutine while waiting for the result. The
…		…
418	=cut	661	=cut
419		662
420	sub sync_job(&) {	663	sub sync_job(&) {
421	my ($job) = @_;	664	my ($job) = @_;
422		665
423	if ($Coro::current == $Coro::main) {	666	if (in_main) {
424	my $time = Event::time;	667	my $time = AE::time;
425		668
426	# this is the main coro, too bad, we have to block	669	# this is the main coro, too bad, we have to block
427	# till the operation succeeds, freezing the server :/	670	# till the operation succeeds, freezing the server :/
428		671
429	# TODO: use suspend/resume instead	672	#LOG llevError, Carp::longmess "sync job";#d#
430	# (but this is cancel-safe)	673
431	my $freeze_guard = freeze_mainloop;	674	my $freeze_guard = freeze_mainloop;
432		675
433	my $busy = 1;	676	my $busy = 1;
434	my @res;	677	my @res;
435		678
436	(async {	679	(async {
		680	$Coro::current->desc ("sync job coro");
437	@res = eval { $job->() };	681	@res = eval { $job->() };
438	warn $@ if $@;	682	error $@ if $@;
439	undef $busy;	683	undef $busy;
440	})->prio (Coro::PRIO_MAX);	684	})->prio (Coro::PRIO_MAX);
441		685
442	while ($busy) {	686	while ($busy) {
443	Coro::cede or Event::one_event;	687	if (Coro::nready) {
		688	Coro::cede_notself;
		689	} else {
		690	EV::loop EV::LOOP_ONESHOT;
444	}	691	}
		692	}
445		693
446	$time = Event::time - $time;	694	my $time = AE::time - $time;
447		695
448	LOG llevError | logBacktrace, Carp::longmess "long sync job"
449	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
450
451	$tick_start += $time; # do not account sync jobs to server load	696	$TICK_START += $time; # do not account sync jobs to server load
452		697
453	wantarray ? @res : $res[0]	698	wantarray ? @res : $res[0]
454	} else {	699	} else {
455	# we are in another coroutine, how wonderful, everything just works	700	# we are in another coroutine, how wonderful, everything just works
456		701
…		…
476	$EXT_CORO{$coro+0} = $coro;	721	$EXT_CORO{$coro+0} = $coro;
477		722
478	$coro	723	$coro
479	}	724	}
480		725
481	=item fork_call { }, $args	726	=item fork_call { }, @args
482		727
483	Executes the given code block with the given arguments in a seperate	728	Executes the given code block with the given arguments in a seperate
484	process, returning the results. Everything must be serialisable with	729	process, returning the results. Everything must be serialisable with
485	Coro::Storable. May, of course, block. Note that the executed sub may	730	Coro::Storable. May, of course, block. Note that the executed sub may
486	never block itself or use any form of Event handling.	731	never block itself or use any form of event handling.
487		732
488	=cut	733	=cut
		734
		735	sub post_fork {
		736	reset_signals;
		737	}
489		738
490	sub fork_call(&@) {	739	sub fork_call(&@) {
491	my ($cb, @args) = @_;	740	my ($cb, @args) = @_;
492		741
493	# we seemingly have to make a local copy of the whole thing,	742	# we seemingly have to make a local copy of the whole thing,
494	# otherwise perl prematurely frees the stuff :/	743	# otherwise perl prematurely frees the stuff :/
495	# TODO: investigate and fix (likely this will be rather laborious)	744	# TODO: investigate and fix (likely this will be rather laborious)
496		745
497	my @res = Coro::Util::fork_eval {	746	my @res = Coro::Util::fork_eval {
498	reset_signals;	747	cf::post_fork;
499	&$cb	748	&$cb
500	}, @args;	749	} @args;
501		750
502	wantarray ? @res : $res[-1]	751	wantarray ? @res : $res[-1]
		752	}
		753
		754	sub objinfo {
		755	(
		756	"counter value" => cf::object::object_count,
		757	"objects created" => cf::object::create_count,
		758	"objects destroyed" => cf::object::destroy_count,
		759	"freelist size" => cf::object::free_count,
		760	"allocated objects" => cf::object::objects_size,
		761	"active objects" => cf::object::actives_size,
		762	)
		763	}
		764
		765	=item $coin = coin_from_name $name
		766
		767	=cut
		768
		769	our %coin_alias = (
		770	"silver" => "silvercoin",
		771	"silvercoin" => "silvercoin",
		772	"silvercoins" => "silvercoin",
		773	"gold" => "goldcoin",
		774	"goldcoin" => "goldcoin",
		775	"goldcoins" => "goldcoin",
		776	"platinum" => "platinacoin",
		777	"platinumcoin" => "platinacoin",
		778	"platinumcoins" => "platinacoin",
		779	"platina" => "platinacoin",
		780	"platinacoin" => "platinacoin",
		781	"platinacoins" => "platinacoin",
		782	"royalty" => "royalty",
		783	"royalties" => "royalty",
		784	);
		785
		786	sub coin_from_name($) {
		787	$coin_alias{$_[0]}
		788	? cf::arch::find $coin_alias{$_[0]}
		789	: undef
503	}	790	}
504		791
505	=item $value = cf::db_get $family => $key	792	=item $value = cf::db_get $family => $key
506		793
507	Returns a single value from the environment database.	794	Returns a single value from the environment database.
…		…
517	within each server.	804	within each server.
518		805
519	=cut	806	=cut
520		807
521	sub db_table($) {	808	sub db_table($) {
		809	cf::error "db_get called from main context"
		810	if $Coro::current == $Coro::main;
		811
522	my ($name) = @_;	812	my ($name) = @_;
523	my $db = BDB::db_create $DB_ENV;	813	my $db = BDB::db_create $DB_ENV;
524		814
525	eval {	815	eval {
526	$db->set_flags (BDB::CHKSUM);	816	$db->set_flags (BDB::CHKSUM);
…		…
536	}	826	}
537		827
538	our $DB;	828	our $DB;
539		829
540	sub db_init {	830	sub db_init {
541	cf::sync_job {
542	$DB ||= db_table "db";	831	$DB ||= db_table "db";
543	};
544	}	832	}
545		833
546	sub db_get($$) {	834	sub db_get($$) {
547	my $key = "$_[0]/$_[1]";	835	my $key = "$_[0]/$_[1]";
548		836
549	cf::sync_job {	837	cf::error "db_get called from main context"
		838	if $Coro::current == $Coro::main;
		839
550	BDB::db_get $DB, undef, $key, my $data;	840	BDB::db_get $DB, undef, $key, my $data;
551		841
552	$! ? ()	842	$! ? ()
553	: $data	843	: $data
554	}
555	}	844	}
556		845
557	sub db_put($$$) {	846	sub db_put($$$) {
558	BDB::dbreq_pri 4;	847	BDB::dbreq_pri 4;
559	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	848	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
587		876
588	my @data;	877	my @data;
589	my $md5;	878	my $md5;
590		879
591	for (0 .. $#$src) {	880	for (0 .. $#$src) {
592	0 <= aio_load $src->[$_], $data[$_]	881	$data[$_] = load_file $src->[$_];
593	or Carp::croak "$src->[$_]: $!";
594	}	882	}
595		883
596	# if processing is expensive, check	884	# if processing is expensive, check
597	# checksum first	885	# checksum first
598	if (1) {	886	if (1) {
…		…
615		903
616	my $t1 = Time::HiRes::time;	904	my $t1 = Time::HiRes::time;
617	my $data = $process->(\@data);	905	my $data = $process->(\@data);
618	my $t2 = Time::HiRes::time;	906	my $t2 = Time::HiRes::time;
619		907
620	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	908	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
621		909
622	db_put cache => "$id/data", $data;	910	db_put cache => "$id/data", $data;
623	db_put cache => "$id/md5" , $md5;	911	db_put cache => "$id/md5" , $md5;
624	db_put cache => "$id/meta", $meta;	912	db_put cache => "$id/meta", $meta;
625		913
…		…
635		923
636	=cut	924	=cut
637		925
638	sub datalog($@) {	926	sub datalog($@) {
639	my ($type, %kv) = @_;	927	my ($type, %kv) = @_;
640	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	928	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
641	}	929	}
642		930
643	=back	931	=back
644		932
645	=cut	933	=cut
646		934
647	#############################################################################	935	#############################################################################
648		936
649	=head2 ATTACHABLE OBJECTS	937	=head2 ATTACHABLE OBJECTS
650		938
651	Many objects in crossfire are so-called attachable objects. That means you can	939	Many objects in deliantra are so-called attachable objects. That means you can
652	attach callbacks/event handlers (a collection of which is called an "attachment")	940	attach callbacks/event handlers (a collection of which is called an "attachment")
653	to it. All such attachable objects support the following methods.	941	to it. All such attachable objects support the following methods.
654		942
655	In the following description, CLASS can be any of C<global>, C<object>	943	In the following description, CLASS can be any of C<global>, C<object>
656	C<player>, C<client> or C<map> (i.e. the attachable objects in	944	C<player>, C<client> or C<map> (i.e. the attachable objects in
657	Crossfire TRT).	945	Deliantra).
658		946
659	=over 4	947	=over 4
660		948
661	=item $attachable->attach ($attachment, key => $value...)	949	=item $attachable->attach ($attachment, key => $value...)
662		950
…		…
706	=item cf::CLASS::attachment $name, ...	994	=item cf::CLASS::attachment $name, ...
707		995
708	Register an attachment by C<$name> through which attachable objects of the	996	Register an attachment by C<$name> through which attachable objects of the
709	given CLASS can refer to this attachment.	997	given CLASS can refer to this attachment.
710		998
711	Some classes such as crossfire maps and objects can specify attachments	999	Some classes such as deliantra maps and objects can specify attachments
712	that are attached at load/instantiate time, thus the need for a name.	1000	that are attached at load/instantiate time, thus the need for a name.
713		1001
714	These calls expect any number of the following handler/hook descriptions:	1002	These calls expect any number of the following handler/hook descriptions:
715		1003
716	=over 4	1004	=over 4
…		…
840		1128
841	} elsif (exists $cb_id{$type}) {	1129	} elsif (exists $cb_id{$type}) {
842	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1130	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
843		1131
844	} elsif (ref $type) {	1132	} elsif (ref $type) {
845	warn "attaching objects not supported, ignoring.\n";	1133	error "attaching objects not supported, ignoring.\n";
846		1134
847	} else {	1135	} else {
848	shift @arg;	1136	shift @arg;
849	warn "attach argument '$type' not supported, ignoring.\n";	1137	error "attach argument '$type' not supported, ignoring.\n";
850	}	1138	}
851	}	1139	}
852	}	1140	}
853		1141
854	sub _object_attach {	1142	sub _object_attach {
…		…
864	_attach $registry, $klass, @attach;	1152	_attach $registry, $klass, @attach;
865	}	1153	}
866		1154
867	$obj->{$name} = \%arg;	1155	$obj->{$name} = \%arg;
868	} else {	1156	} else {
869	warn "object uses attachment '$name' which is not available, postponing.\n";	1157	info "object uses attachment '$name' which is not available, postponing.\n";
870	}	1158	}
871		1159
872	$obj->{_attachment}{$name} = undef;	1160	$obj->{_attachment}{$name} = undef;
873	}	1161	}
874		1162
…		…
933		1221
934	for (@$callbacks) {	1222	for (@$callbacks) {
935	eval { &{$_->[1]} };	1223	eval { &{$_->[1]} };
936		1224
937	if ($@) {	1225	if ($@) {
938	warn "$@";
939	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1226	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
940	override;	1227	override;
941	}	1228	}
942		1229
943	return 1 if $override;	1230	return 1 if $override;
944	}	1231	}
945		1232
946	0	1233	0
947	}	1234	}
948		1235
949	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
950		1237
951	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
952		1239
953	Generate an object-specific event with the given arguments.	1240	Generate an object-specific event with the given arguments.
954		1241
…		…
960		1247
961	=cut	1248	=cut
962		1249
963	#############################################################################	1250	#############################################################################
964	# object support	1251	# object support
965	#
966		1252
		1253	sub _object_equal($$);
		1254	sub _object_equal($$) {
		1255	my ($a, $b) = @_;
		1256
		1257	return 0 unless (ref $a) eq (ref $b);
		1258
		1259	if ("HASH" eq ref $a) {
		1260	my @ka = keys %$a;
		1261	my @kb = keys %$b;
		1262
		1263	return 0 if @ka != @kb;
		1264
		1265	for (0 .. $#ka) {
		1266	return 0 unless $ka[$_] eq $kb[$_];
		1267	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1268	}
		1269
		1270	} elsif ("ARRAY" eq ref $a) {
		1271
		1272	return 0 if @$a != @$b;
		1273
		1274	for (0 .. $#$a) {
		1275	return 0 unless _object_equal $a->[$_], $b->[$_];
		1276	}
		1277
		1278	} elsif ($a ne $b) {
		1279	return 0;
		1280	}
		1281
		1282	1
		1283	}
		1284
		1285	our $SLOW_MERGES;#d#
967	sub _can_merge {	1286	sub _can_merge {
968	my ($ob1, $ob2) = @_;	1287	my ($ob1, $ob2) = @_;
969		1288
970	local $Storable::canonical = 1;	1289	++$SLOW_MERGES;#d#
971	my $fob1 = Storable::freeze $ob1;
972	my $fob2 = Storable::freeze $ob2;
973		1290
974	$fob1 eq $fob2	1291	# we do the slow way here
		1292	return _object_equal $ob1, $ob2
975	}	1293	}
976		1294
977	sub reattach {	1295	sub reattach {
978	# basically do the same as instantiate, without calling instantiate	1296	# basically do the same as instantiate, without calling instantiate
979	my ($obj) = @_;	1297	my ($obj) = @_;
980		1298
		1299	# no longer needed after getting rid of delete_package?
981	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1300	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
982		1301
983	my $registry = $obj->registry;	1302	my $registry = $obj->registry;
984		1303
985	@$registry = ();	1304	@$registry = ();
986		1305
…		…
991	for (@$attach) {	1310	for (@$attach) {
992	my ($klass, @attach) = @$_;	1311	my ($klass, @attach) = @$_;
993	_attach $registry, $klass, @attach;	1312	_attach $registry, $klass, @attach;
994	}	1313	}
995	} else {	1314	} else {
996	warn "object uses attachment '$name' that is not available, postponing.\n";	1315	info "object uses attachment '$name' that is not available, postponing.\n";
997	}	1316	}
998	}	1317	}
999	}	1318	}
1000		1319
1001	cf::attachable->attach (	1320	cf::attachable->attach (
1002	prio => -1000000,	1321	prio => -1000000,
1003	on_instantiate => sub {	1322	on_instantiate => sub {
1004	my ($obj, $data) = @_;	1323	my ($obj, $data) = @_;
1005		1324
1006	$data = from_json $data;	1325	$data = decode_json $data;
1007		1326
1008	for (@$data) {	1327	for (@$data) {
1009	my ($name, $args) = @$_;	1328	my ($name, $args) = @$_;
1010		1329
1011	$obj->attach ($name, %{$args || {} });	1330	$obj->attach ($name, %{$args || {} });
…		…
1025	);	1344	);
1026		1345
1027	sub object_freezer_save {	1346	sub object_freezer_save {
1028	my ($filename, $rdata, $objs) = @_;	1347	my ($filename, $rdata, $objs) = @_;
1029		1348
1030	my $guard = cf::lock_acquire "io";
1031
1032	sync_job {	1349	sync_job {
1033	if (length $$rdata) {	1350	if (length $$rdata) {
1034	utf8::decode (my $decname = $filename);	1351	utf8::decode (my $decname = $filename);
1035	warn sprintf "saving %s (%d,%d)\n",	1352	trace sprintf "saving %s (%d,%d)\n",
1036	$decname, length $$rdata, scalar @$objs;	1353	$decname, length $$rdata, scalar @$objs
		1354	if $VERBOSE_IO;
1037		1355
1038	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1356	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1039	chmod SAVE_MODE, $fh;	1357	aio_chmod $fh, SAVE_MODE;
1040	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1358	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1041	aio_fsync $fh if $cf::USE_FSYNC;	1359	if ($cf::USE_FSYNC) {
		1360	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;
		1361	aio_fsync $fh;
		1362	}
1042	close $fh;	1363	aio_close $fh;
1043		1364
1044	if (@$objs) {	1365	if (@$objs) {
1045	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1366	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1046	chmod SAVE_MODE, $fh;	1367	aio_chmod $fh, SAVE_MODE;
1047	my $data = Storable::nfreeze { version => 1, objs => $objs };	1368	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1048	aio_write $fh, 0, (length $data), $data, 0;	1369	aio_write $fh, 0, (length $data), $data, 0;
1049	aio_fsync $fh if $cf::USE_FSYNC;	1370	if ($cf::USE_FSYNC) {
		1371	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;
		1372	aio_fsync $fh;
		1373	}
1050	close $fh;	1374	aio_close $fh;
1051	aio_rename "$filename.pst~", "$filename.pst";	1375	aio_rename "$filename.pst~", "$filename.pst";
1052	}	1376	}
1053	} else {	1377	} else {
1054	aio_unlink "$filename.pst";	1378	aio_unlink "$filename.pst";
1055	}	1379	}
1056		1380
1057	aio_rename "$filename~", $filename;	1381	aio_rename "$filename~", $filename;
		1382
		1383	$filename =~ s%/[^/]+$%%;
		1384	aio_pathsync $filename if $cf::USE_FSYNC;
1058	} else {	1385	} else {
1059	warn "FATAL: $filename~: $!\n";	1386	error "unable to save objects: $filename~: $!\n";
1060	}	1387	}
1061	} else {	1388	} else {
1062	aio_unlink $filename;	1389	aio_unlink $filename;
1063	aio_unlink "$filename.pst";	1390	aio_unlink "$filename.pst";
1064	}	1391	}
1065	};	1392	};
1066
1067	undef $guard;
1068	}	1393	}
1069		1394
1070	sub object_freezer_as_string {	1395	sub object_freezer_as_string {
1071	my ($rdata, $objs) = @_;	1396	my ($rdata, $objs) = @_;
1072		1397
…		…
1077		1402
1078	sub object_thawer_load {	1403	sub object_thawer_load {
1079	my ($filename) = @_;	1404	my ($filename) = @_;
1080		1405
1081	my ($data, $av);	1406	my ($data, $av);
1082
1083	my $guard = cf::lock_acquire "io";
1084		1407
1085	(aio_load $filename, $data) >= 0	1408	(aio_load $filename, $data) >= 0
1086	or return;	1409	or return;
1087		1410
1088	unless (aio_stat "$filename.pst") {	1411	unless (aio_stat "$filename.pst") {
1089	(aio_load "$filename.pst", $av) >= 0	1412	(aio_load "$filename.pst", $av) >= 0
1090	or return;	1413	or return;
1091		1414
1092	undef $guard;
1093	$av = eval { (Storable::thaw $av)->{objs} };	1415	my $st = eval { Coro::Storable::thaw $av };
		1416	$av = $st->{objs};
1094	}	1417	}
1095		1418
1096	utf8::decode (my $decname = $filename);	1419	utf8::decode (my $decname = $filename);
1097	warn sprintf "loading %s (%d,%d)\n",	1420	trace sprintf "loading %s (%d,%d)\n",
1098	$decname, length $data, scalar @{$av || []};	1421	$decname, length $data, scalar @{$av || []}
		1422	if $VERBOSE_IO;
1099		1423
1100	($data, $av)	1424	($data, $av)
1101	}	1425	}
1102		1426
1103	=head2 COMMAND CALLBACKS	1427	=head2 COMMAND CALLBACKS
…		…
1159	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1160		1484
1161	$EXTICMD{$name} = $cb;	1485	$EXTICMD{$name} = $cb;
1162	}	1486	}
1163		1487
		1488	use File::Glob ();
		1489
1164	cf::player->attach (	1490	cf::player->attach (
1165	on_command => sub {	1491	on_unknown_command => sub {
1166	my ($pl, $name, $params) = @_;	1492	my ($pl, $name, $params) = @_;
1167		1493
1168	my $cb = $COMMAND{$name}	1494	my $cb = $COMMAND{$name}
1169	or return;	1495	or return;
1170		1496
…		…
1178	my ($pl, $buf) = @_;	1504	my ($pl, $buf) = @_;
1179		1505
1180	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1506	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1181		1507
1182	if (ref $msg) {	1508	if (ref $msg) {
1183	my ($type, $reply, @payload) =	1509	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1184	"ARRAY" eq ref $msg
1185	? @$msg
1186	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1187		1510
1188	my @reply;	1511	my @reply;
1189		1512
1190	if (my $cb = $EXTCMD{$type}) {	1513	if (my $cb = $EXTCMD{$type}) {
1191	@reply = $cb->($pl, @payload);	1514	@reply = $cb->($pl, @payload);
…		…
1193		1516
1194	$pl->ext_reply ($reply, @reply)	1517	$pl->ext_reply ($reply, @reply)
1195	if $reply;	1518	if $reply;
1196		1519
1197	} else {	1520	} else {
1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1521	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1199	}	1522	}
1200		1523
1201	cf::override;	1524	cf::override;
1202	},	1525	},
1203	);	1526	);
1204		1527
		1528	# "readahead" all extensions
		1529	sub cache_extensions {
		1530	my $grp = IO::AIO::aio_group;
		1531
		1532	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1533	for (grep /\.ext$/, @{$_[0]}) {
		1534	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1535	}
		1536	};
		1537
		1538	$grp
		1539	}
		1540
		1541	sub _ext_cfg_reg($$$$) {
		1542	my ($rvar, $varname, $cfgname, $default) = @_;
		1543
		1544	$cfgname = lc $varname
		1545	unless length $cfgname;
		1546
		1547	$EXT_CFG{$cfgname} = [$rvar, $default];
		1548
		1549	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1550	}
		1551
1205	sub load_extensions {	1552	sub load_extensions {
		1553	info "loading extensions...";
		1554
		1555	%EXT_CFG = ();
		1556
1206	cf::sync_job {	1557	cf::sync_job {
1207	my %todo;	1558	my %todo;
1208		1559
1209	for my $path (<$LIBDIR/*.ext>) {	1560	for my $path (<$LIBDIR/*.ext>) {
1210	next unless -r $path;	1561	next unless -r $path;
…		…
1228		1579
1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1580	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1581	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231		1582
1232	$ext{source} =	1583	$ext{source} =
1233	"package $pkg; use strict; use utf8;\n"	1584	"package $pkg; use common::sense;\n"
1234	. "#line 1 \"$path\"\n{\n"	1585	. "#line 1 \"$path\"\n{\n"
1235	. $source	1586	. $source
1236	. "\n};\n1";	1587	. "\n};\n1";
1237		1588
1238	$todo{$base} = \%ext;	1589	$todo{$base} = \%ext;
1239	}	1590	}
1240		1591
		1592	my $pass = 0;
1241	my %done;	1593	my %done;
1242	while (%todo) {	1594	while (%todo) {
1243	my $progress;	1595	my $progress;
1244		1596
		1597	++$pass;
		1598
		1599	ext:
1245	while (my ($k, $v) = each %todo) {	1600	while (my ($k, $v) = each %todo) {
1246	for (split /,\s*/, $v->{meta}{depends}) {	1601	for (split /,\s*/, $v->{meta}{depends}) {
1247	goto skip	1602	next ext
1248	unless exists $done{$_};	1603	unless exists $done{$_};
1249	}	1604	}
1250		1605
1251	warn "... loading '$k' into '$v->{pkg}'\n";	1606	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1252		1607
1253	unless (eval $v->{source}) {	1608	my $source = $v->{source};
		1609
		1610	# support "CONF varname :confname = default" pseudo-statements
		1611	$source =~ s{
		1612	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1613	}{
		1614	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1615	}gmxe;
		1616
		1617	my $active = eval $source;
		1618
		1619	if (length $@) {
1254	my $msg = $@ ? "$v->{path}: $@\n"	1620	error "$v->{path}: $@\n";
1255	: "$v->{base}: extension inactive.\n";
1256		1621
		1622	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1257	if (exists $v->{meta}{mandatory}) {	1623	if exists $v->{meta}{mandatory};
1258	warn $msg;	1624
1259	warn "mandatory extension failed to load, exiting.\n";	1625	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1260	exit 1;	1626	delete $todo{$k};
1261	}	1627	} else {
1262		1628	$done{$k} = delete $todo{$k};
1263	warn $msg;	1629	push @EXTS, $v->{pkg};
		1630	$progress = 1;
		1631
		1632	info "$v->{base}: extension inactive.\n"
		1633	unless $active;
1264	}	1634	}
1265
1266	$done{$k} = delete $todo{$k};
1267	push @EXTS, $v->{pkg};
1268	$progress = 1;
1269	}	1635	}
1270		1636
1271	skip:	1637	unless ($progress) {
1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1638	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1273	unless $progress;	1639
		1640	while (my ($k, $v) = each %todo) {
		1641	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1642	if exists $v->{meta}{mandatory};
		1643	}
		1644
		1645	last;
		1646	}
1274	}	1647	}
1275	};	1648	};
1276	}	1649	}
1277		1650
1278	#############################################################################	1651	#############################################################################
1279		1652
1280	=back	1653	=back
1281		1654
1282	=head2 CORE EXTENSIONS	1655	=head2 CORE EXTENSIONS
1283		1656
1284	Functions and methods that extend core crossfire objects.	1657	Functions and methods that extend core deliantra objects.
1285		1658
1286	=cut	1659	=cut
1287		1660
1288	package cf::player;	1661	package cf::player;
1289		1662
…		…
1332		1705
1333	sub exists($) {	1706	sub exists($) {
1334	my ($login) = @_;	1707	my ($login) = @_;
1335		1708
1336	$cf::PLAYER{$login}	1709	$cf::PLAYER{$login}
1337	or cf::sync_job { !aio_stat path $login }	1710	or !aio_stat path $login
1338	}	1711	}
1339		1712
1340	sub find($) {	1713	sub find($) {
1341	return $cf::PLAYER{$_[0]} || do {	1714	return $cf::PLAYER{$_[0]} || do {
1342	my $login = $_[0];	1715	my $login = $_[0];
…		…
1352	aio_unlink +(playerdir $login) . "/$login.pl";	1725	aio_unlink +(playerdir $login) . "/$login.pl";
1353		1726
1354	my $f = new_from_file cf::object::thawer path $login	1727	my $f = new_from_file cf::object::thawer path $login
1355	or return;	1728	or return;
1356		1729
1357	$f->next;
1358	my $pl = cf::player::load_pl $f	1730	my $pl = cf::player::load_pl $f
1359	or return;	1731	or return;
		1732
1360	local $cf::PLAYER_LOADING{$login} = $pl;	1733	local $cf::PLAYER_LOADING{$login} = $pl;
1361	$f->resolve_delayed_derefs;	1734	$f->resolve_delayed_derefs;
1362	$cf::PLAYER{$login} = $pl	1735	$cf::PLAYER{$login} = $pl
1363	}	1736	}
1364	}	1737	}
1365	}	1738	}
1366		1739
		1740	cf::player->attach (
		1741	on_load => sub {
		1742	my ($pl, $path) = @_;
		1743
		1744	# restore slots saved in save, below
		1745	my $slots = delete $pl->{_slots};
		1746
		1747	$pl->ob->current_weapon ($slots->[0]);
		1748	$pl->combat_ob ($slots->[1]);
		1749	$pl->ranged_ob ($slots->[2]);
		1750	},
		1751	);
		1752
1367	sub save($) {	1753	sub save($) {
1368	my ($pl) = @_;	1754	my ($pl) = @_;
1369		1755
1370	return if $pl->{deny_save};	1756	return if $pl->{deny_save};
1371		1757
…		…
1374		1760
1375	return if $pl->{deny_save};	1761	return if $pl->{deny_save};
1376		1762
1377	aio_mkdir playerdir $pl, 0770;	1763	aio_mkdir playerdir $pl, 0770;
1378	$pl->{last_save} = $cf::RUNTIME;	1764	$pl->{last_save} = $cf::RUNTIME;
		1765
		1766	cf::get_slot 0.01;
		1767
		1768	# save slots, to be restored later
		1769	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1379		1770
1380	$pl->save_pl ($path);	1771	$pl->save_pl ($path);
1381	cf::cede_to_tick;	1772	cf::cede_to_tick;
1382	}	1773	}
1383		1774
…		…
1415	my ($pl) = @_;	1806	my ($pl) = @_;
1416		1807
1417	my $name = $pl->ob->name;	1808	my $name = $pl->ob->name;
1418		1809
1419	$pl->{deny_save} = 1;	1810	$pl->{deny_save} = 1;
1420	$pl->password ("*"); # this should lock out the player until we nuked the dir	1811	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1421		1812
1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1813	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1423	$pl->deactivate;	1814	$pl->deactivate;
		1815
		1816	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1424	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1817	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1818	ext::highscore::check ($pl->ob);
		1819
1425	$pl->ns->destroy if $pl->ns;	1820	$pl->ns->destroy if $pl->ns;
1426		1821
1427	my $path = playerdir $pl;	1822	my $path = playerdir $pl;
1428	my $temp = "$path~$cf::RUNTIME~deleting~";	1823	my $temp = "$path~$cf::RUNTIME~deleting~";
1429	aio_rename $path, $temp;	1824	aio_rename $path, $temp;
…		…
1467		1862
1468	for my $login (@$dirs) {	1863	for my $login (@$dirs) {
1469	my $path = path $login;	1864	my $path = path $login;
1470		1865
1471	# a .pst is a dead give-away for a valid player	1866	# a .pst is a dead give-away for a valid player
1472	unless (-e "$path.pst") {	1867	# if no pst file found, open and chekc for blocked users
		1868	if (aio_stat "$path.pst") {
1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1869	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1474	aio_read $fh, 0, 512, my $buf, 0 or next;	1870	aio_read $fh, 0, 512, my $buf, 0 or next;
1475	$buf !~ /^password -------------$/m or next; # official not-valid tag	1871	$buf !~ /^password -------------$/m or next; # official not-valid tag
1476	}	1872	}
1477		1873
…		…
1481		1877
1482	\@logins	1878	\@logins
1483	}	1879	}
1484		1880
1485	=item $player->maps	1881	=item $player->maps
		1882
		1883	=item cf::player::maps $login
1486		1884
1487	Returns an arrayref of map paths that are private for this	1885	Returns an arrayref of map paths that are private for this
1488	player. May block.	1886	player. May block.
1489		1887
1490	=cut	1888	=cut
…		…
1508	}	1906	}
1509		1907
1510	\@paths	1908	\@paths
1511	}	1909	}
1512		1910
1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1911	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1514		1912
1515	Expand crossfire pod fragments into protocol xml.	1913	Expand deliantra pod fragments into protocol xml.
1516
1517	=cut
1518
1519	sub expand_cfpod {
1520	((my $self), (local $_)) = @_;
1521
1522	# escape & and <
1523	s/&/&amp;/g;
1524	s/(?<![BIUGHT])</&lt;/g;
1525
1526	# this is buggy, it needs to properly take care of nested <'s
1527
1528	1 while
1529	# replace B<>, I<>, U<> etc.
1530	s/B<([^\>]*)>/<b>$1<\/b>/
1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1534	# replace G<male|female> tags
1535	|| s{G<([^>|]*)\|([^>]*)>}{
1536	$self->gender ? $2 : $1
1537	}ge
1538	# replace H<hint text>
1539	|| s{H<([^\>]*)>}
1540	{
1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1543	"")
1544	[$self->{hintmode}]
1545	}ge;
1546
1547	# create single paragraphs (very hackish)
1548	s/(?<=\S)\n(?=\w)/ /g;
1549
1550	# compress some whitespace
1551	s/\s+\n/\n/g; # ws line-ends
1552	s/\n\n+/\n/g; # double lines
1553	s/^\n+//; # beginning lines
1554	s/\n+$//; # ending lines
1555
1556	$_
1557	}
1558
1559	sub hintmode {
1560	$_[0]{hintmode} = $_[1] if @_ > 1;
1561	$_[0]{hintmode}
1562	}
1563		1914
1564	=item $player->ext_reply ($msgid, @msg)	1915	=item $player->ext_reply ($msgid, @msg)
1565		1916
1566	Sends an ext reply to the player.	1917	Sends an ext reply to the player.
1567		1918
…		…
1599		1950
1600	=cut	1951	=cut
1601		1952
1602	sub find_by_path($) {	1953	sub find_by_path($) {
1603	my ($path) = @_;	1954	my ($path) = @_;
		1955
		1956	$path =~ s/^~[^\/]*//; # skip ~login
1604		1957
1605	my ($match, $specificity);	1958	my ($match, $specificity);
1606		1959
1607	for my $region (list) {	1960	for my $region (list) {
1608	if ($region->{match} && $path =~ $region->{match}) {	1961	if ($region->{match} && $path =~ $region->{match}) {
…		…
1634	our $MAX_RESET = 3600;	1987	our $MAX_RESET = 3600;
1635	our $DEFAULT_RESET = 3000;	1988	our $DEFAULT_RESET = 3000;
1636		1989
1637	sub generate_random_map {	1990	sub generate_random_map {
1638	my ($self, $rmp) = @_;	1991	my ($self, $rmp) = @_;
1639	# mit "rum" bekleckern, nicht	1992
		1993	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1994
1640	$self->_create_random_map (	1995	$self->_create_random_map ($rmp);
1641	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1642	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1643	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1644	$rmp->{exit_on_final_map},
1645	$rmp->{xsize}, $rmp->{ysize},
1646	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1647	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1648	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1649	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1650	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1651	(cf::region::find $rmp->{region}), $rmp->{custom}
1652	)
1653	}	1996	}
1654		1997
1655	=item cf::map->register ($regex, $prio)	1998	=item cf::map->register ($regex, $prio)
1656		1999
1657	Register a handler for the map path matching the given regex at the	2000	Register a handler for the map path matching the given regex at the
…		…
1662		2005
1663	sub register {	2006	sub register {
1664	my (undef, $regex, $prio) = @_;	2007	my (undef, $regex, $prio) = @_;
1665	my $pkg = caller;	2008	my $pkg = caller;
1666		2009
1667	no strict;
1668	push @{"$pkg\::ISA"}, __PACKAGE__;	2010	push @{"$pkg\::ISA"}, __PACKAGE__;
1669		2011
1670	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2012	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1671	}	2013	}
1672		2014
1673	# also paths starting with '/'	2015	# also paths starting with '/'
1674	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2016	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1675		2017
1676	sub thawer_merge {	2018	sub thawer_merge {
1677	my ($self, $merge) = @_;	2019	my ($self, $merge) = @_;
1678		2020
1679	# we have to keep some variables in memory intact	2021	# we have to keep some variables in memory intact
…		…
1684	}	2026	}
1685		2027
1686	sub normalise {	2028	sub normalise {
1687	my ($path, $base) = @_;	2029	my ($path, $base) = @_;
1688		2030
1689	$path = "$path"; # make sure its a string	2031	$path = "$path"; # make sure it's a string
1690		2032
1691	$path =~ s/\.map$//;	2033	$path =~ s/\.map$//;
1692		2034
1693	# map plan:	2035	# map plan:
1694	#	2036	#
…		…
1709	$base =~ s{[^/]+/?$}{};	2051	$base =~ s{[^/]+/?$}{};
1710	$path = "$base/$path";	2052	$path = "$base/$path";
1711	}	2053	}
1712		2054
1713	for ($path) {	2055	for ($path) {
1714	redo if s{//}{/};
1715	redo if s{/\.?/}{/};	2056	redo if s{/\.?/}{/};
1716	redo if s{/[^/]+/\.\./}{/};	2057	redo if s{/[^/]+/\.\./}{/};
1717	}	2058	}
1718		2059
1719	$path	2060	$path
…		…
1733	$self->init; # pass $1 etc.	2074	$self->init; # pass $1 etc.
1734	return $self;	2075	return $self;
1735	}	2076	}
1736	}	2077	}
1737		2078
1738	Carp::cluck "unable to resolve path '$path' (base '$base').";	2079	Carp::cluck "unable to resolve path '$path' (base '$base')";
1739	()	2080	()
1740	}	2081	}
1741		2082
		2083	# may re-bless or do other evil things
1742	sub init {	2084	sub init {
1743	my ($self) = @_;	2085	my ($self) = @_;
1744		2086
1745	$self	2087	$self
1746	}	2088	}
…		…
1765		2107
1766	# the temporary/swap location	2108	# the temporary/swap location
1767	sub save_path {	2109	sub save_path {
1768	my ($self) = @_;	2110	my ($self) = @_;
1769		2111
1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2112	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1771	"$TMPDIR/$path.map"	2113	"$TMPDIR/$path.map"
1772	}	2114	}
1773		2115
1774	# the unique path, undef == no special unique path	2116	# the unique path, undef == no special unique path
1775	sub uniq_path {	2117	sub uniq_path {
1776	my ($self) = @_;	2118	my ($self) = @_;
1777		2119
1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2120	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1779	"$UNIQUEDIR/$path"	2121	"$UNIQUEDIR/$path"
1780	}
1781
1782	# and all this just because we cannot iterate over
1783	# all maps in C++...
1784	sub change_all_map_light {
1785	my ($change) = @_;
1786
1787	$_->change_map_light ($change)
1788	for grep $_->outdoor, values %cf::MAP;
1789	}	2122	}
1790		2123
1791	sub decay_objects {	2124	sub decay_objects {
1792	my ($self) = @_;	2125	my ($self) = @_;
1793		2126
…		…
1820	$self->{load_path} = $path;	2153	$self->{load_path} = $path;
1821		2154
1822	1	2155	1
1823	}	2156	}
1824		2157
		2158	# used to laod the header of an original map
1825	sub load_header_orig {	2159	sub load_header_orig {
1826	my ($self) = @_;	2160	my ($self) = @_;
1827		2161
1828	$self->load_header_from ($self->load_path)	2162	$self->load_header_from ($self->load_path)
1829	}	2163	}
1830		2164
		2165	# used to laod the header of an instantiated map
1831	sub load_header_temp {	2166	sub load_header_temp {
1832	my ($self) = @_;	2167	my ($self) = @_;
1833		2168
1834	$self->load_header_from ($self->save_path)	2169	$self->load_header_from ($self->save_path)
1835	}	2170	}
1836		2171
		2172	# called after loading the header from an instantiated map
1837	sub prepare_temp {	2173	sub prepare_temp {
1838	my ($self) = @_;	2174	my ($self) = @_;
1839		2175
1840	$self->last_access ((delete $self->{last_access})	2176	$self->last_access ((delete $self->{last_access})
1841	|| $cf::RUNTIME); #d#	2177	|| $cf::RUNTIME); #d#
1842	# safety	2178	# safety
1843	$self->{instantiate_time} = $cf::RUNTIME	2179	$self->{instantiate_time} = $cf::RUNTIME
1844	if $self->{instantiate_time} > $cf::RUNTIME;	2180	if $self->{instantiate_time} > $cf::RUNTIME;
1845	}	2181	}
1846		2182
		2183	# called after loading the header from an original map
1847	sub prepare_orig {	2184	sub prepare_orig {
1848	my ($self) = @_;	2185	my ($self) = @_;
1849		2186
1850	$self->{load_original} = 1;	2187	$self->{load_original} = 1;
1851	$self->{instantiate_time} = $cf::RUNTIME;	2188	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1875		2212
1876	sub find;	2213	sub find;
1877	sub find {	2214	sub find {
1878	my ($path, $origin) = @_;	2215	my ($path, $origin) = @_;
1879		2216
		2217	cf::cede_to_tick;
		2218
1880	$path = normalise $path, $origin && $origin->path;	2219	$path = normalise $path, $origin;
1881		2220
1882	cf::lock_wait "map_data:$path";#d#remove	2221	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1883	cf::lock_wait "map_find:$path";	2222	my $guard2 = cf::lock_acquire "map_find:$path";
1884		2223
1885	$cf::MAP{$path} || do {	2224	$cf::MAP{$path} || do {
1886	my $guard1 = cf::lock_acquire "map_find:$path";
1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1888
1889	my $map = new_from_path cf::map $path	2225	my $map = new_from_path cf::map $path
1890	or return;	2226	or return;
1891		2227
1892	$map->{last_save} = $cf::RUNTIME;	2228	$map->{last_save} = $cf::RUNTIME;
1893		2229
…		…
1895	or return;	2231	or return;
1896		2232
1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2233	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1898	# doing this can freeze the server in a sync job, obviously	2234	# doing this can freeze the server in a sync job, obviously
1899	#$cf::WAIT_FOR_TICK->wait;	2235	#$cf::WAIT_FOR_TICK->wait;
		2236	undef $guard2;
1900	undef $guard1;	2237	undef $guard1;
1901	undef $guard2;
1902	$map->reset;	2238	$map->reset;
1903	return find $path;	2239	return find $path;
1904	}	2240	}
1905		2241
1906	$cf::MAP{$path} = $map	2242	$cf::MAP{$path} = $map
1907	}	2243	}
1908	}	2244	}
1909		2245
1910	sub pre_load { }	2246	sub pre_load { }
1911	sub post_load { }	2247	#sub post_load { } # XS
1912		2248
1913	sub load {	2249	sub load {
1914	my ($self) = @_;	2250	my ($self) = @_;
1915		2251
1916	local $self->{deny_reset} = 1; # loading can take a long time	2252	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1919		2255
1920	{	2256	{
1921	my $guard = cf::lock_acquire "map_data:$path";	2257	my $guard = cf::lock_acquire "map_data:$path";
1922		2258
1923	return unless $self->valid;	2259	return unless $self->valid;
1924	return unless $self->in_memory == cf::MAP_SWAPPED;	2260	return unless $self->state == cf::MAP_SWAPPED;
1925
1926	$self->in_memory (cf::MAP_LOADING);
1927		2261
1928	$self->alloc;	2262	$self->alloc;
1929		2263
1930	$self->pre_load;	2264	$self->pre_load;
1931	cf::cede_to_tick;	2265	cf::cede_to_tick;
1932		2266
		2267	if (exists $self->{load_path}) {
1933	my $f = new_from_file cf::object::thawer $self->{load_path};	2268	my $f = new_from_file cf::object::thawer $self->{load_path};
1934	$f->skip_block;	2269	$f->skip_block;
1935	$self->_load_objects ($f)	2270	$self->_load_objects ($f)
1936	or return;	2271	or return;
1937		2272
1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2273	$self->post_load_original
1939	if delete $self->{load_original};	2274	if delete $self->{load_original};
1940		2275
1941	if (my $uniq = $self->uniq_path) {	2276	if (my $uniq = $self->uniq_path) {
1942	utf8::encode $uniq;	2277	utf8::encode $uniq;
1943	unless (aio_stat $uniq) {	2278	unless (aio_stat $uniq) {
1944	if (my $f = new_from_file cf::object::thawer $uniq) {	2279	if (my $f = new_from_file cf::object::thawer $uniq) {
1945	$self->clear_unique_items;	2280	$self->clear_unique_items;
1946	$self->_load_objects ($f);	2281	$self->_load_objects ($f);
1947	$f->resolve_delayed_derefs;	2282	$f->resolve_delayed_derefs;
		2283	}
1948	}	2284	}
1949	}	2285	}
1950	}
1951		2286
1952	$f->resolve_delayed_derefs;	2287	$f->resolve_delayed_derefs;
		2288	} else {
		2289	$self->post_load_original
		2290	if delete $self->{load_original};
		2291	}
		2292
		2293	$self->state (cf::MAP_INACTIVE);
1953		2294
1954	cf::cede_to_tick;	2295	cf::cede_to_tick;
1955	# now do the right thing for maps	2296	# now do the right thing for maps
1956	$self->link_multipart_objects;	2297	$self->link_multipart_objects;
1957	$self->difficulty ($self->estimate_difficulty)	2298	$self->difficulty ($self->estimate_difficulty)
…		…
1961	unless ($self->{deny_activate}) {	2302	unless ($self->{deny_activate}) {
1962	$self->decay_objects;	2303	$self->decay_objects;
1963	$self->fix_auto_apply;	2304	$self->fix_auto_apply;
1964	$self->update_buttons;	2305	$self->update_buttons;
1965	cf::cede_to_tick;	2306	cf::cede_to_tick;
1966	$self->set_darkness_map;	2307	#$self->activate; # no longer activate maps automatically
1967	cf::cede_to_tick;
1968	$self->activate;
1969	}	2308	}
1970		2309
1971	$self->{last_save} = $cf::RUNTIME;	2310	$self->{last_save} = $cf::RUNTIME;
1972	$self->last_access ($cf::RUNTIME);	2311	$self->last_access ($cf::RUNTIME);
1973
1974	$self->in_memory (cf::MAP_IN_MEMORY);
1975	}	2312	}
1976		2313
1977	$self->post_load;	2314	$self->post_load;
1978	}
1979		2315
		2316	1
		2317	}
		2318
		2319	# customize the map for a given player, i.e.
		2320	# return the _real_ map. used by e.g. per-player
		2321	# maps to change the path to ~playername/mappath
1980	sub customise_for {	2322	sub customise_for {
1981	my ($self, $ob) = @_;	2323	my ($self, $ob) = @_;
1982		2324
1983	return find "~" . $ob->name . "/" . $self->{path}	2325	return find "~" . $ob->name . "/" . $self->{path}
1984	if $self->per_player;	2326	if $self->per_player;
…		…
1987	# if $self->per_party;	2329	# if $self->per_party;
1988		2330
1989	$self	2331	$self
1990	}	2332	}
1991		2333
1992	# find and load all maps in the 3x3 area around a map
1993	sub load_neighbours {
1994	my ($map) = @_;
1995
1996	my @neigh; # diagonal neighbours
1997
1998	for (0 .. 3) {
1999	my $neigh = $map->tile_path ($_)
2000	or next;
2001	$neigh = find $neigh, $map
2002	or next;
2003	$neigh->load;
2004
2005	push @neigh,
2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2008	}
2009
2010	for (grep defined $_->[0], @neigh) {
2011	my ($path, $origin) = @$_;
2012	my $neigh = find $path, $origin
2013	or next;
2014	$neigh->load;
2015	}
2016	}
2017
2018	sub find_sync {	2334	sub find_sync {
2019	my ($path, $origin) = @_;	2335	my ($path, $origin) = @_;
2020		2336
2021	cf::sync_job { find $path, $origin }	2337	# it's a bug to call this from the main context
		2338	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2339	if $Coro::current == $Coro::main;
		2340
		2341	find $path, $origin
2022	}	2342	}
2023		2343
2024	sub do_load_sync {	2344	sub do_load_sync {
2025	my ($map) = @_;	2345	my ($map) = @_;
2026		2346
		2347	# it's a bug to call this from the main context
2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2348	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2028	if $Coro::current == $Coro::main;	2349	if $Coro::current == $Coro::main;
2029		2350
2030	cf::sync_job { $map->load };	2351	$map->load;
2031	}	2352	}
2032		2353
2033	our %MAP_PREFETCH;	2354	our %MAP_PREFETCH;
2034	our $MAP_PREFETCHER = undef;	2355	our $MAP_PREFETCHER = undef;
2035		2356
2036	sub find_async {	2357	sub find_async {
2037	my ($path, $origin, $load) = @_;	2358	my ($path, $origin, $load) = @_;
2038		2359
2039	$path = normalise $path, $origin && $origin->{path};	2360	$path = normalise $path, $origin;
2040		2361
2041	if (my $map = $cf::MAP{$path}) {	2362	if (my $map = $cf::MAP{$path}) {
2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2363	return $map if !$load || $map->linkable;
2043	}	2364	}
2044		2365
2045	$MAP_PREFETCH{$path} |= $load;	2366	$MAP_PREFETCH{$path} |= $load;
2046		2367
2047	$MAP_PREFETCHER ||= cf::async {	2368	$MAP_PREFETCHER ||= cf::async {
		2369	$Coro::current->{desc} = "map prefetcher";
		2370
2048	while (%MAP_PREFETCH) {	2371	while (%MAP_PREFETCH) {
2049	while (my ($k, $v) = each %MAP_PREFETCH) {	2372	while (my ($k, $v) = each %MAP_PREFETCH) {
2050	if (my $map = find $k) {	2373	if (my $map = find $k) {
2051	$map->load if $v;	2374	$map->load if $v;
2052	}	2375	}
…		…
2059	$MAP_PREFETCHER->prio (6);	2382	$MAP_PREFETCHER->prio (6);
2060		2383
2061	()	2384	()
2062	}	2385	}
2063		2386
		2387	# common code, used by both ->save and ->swapout
2064	sub save {	2388	sub _save {
2065	my ($self) = @_;	2389	my ($self) = @_;
2066
2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
2068		2390
2069	$self->{last_save} = $cf::RUNTIME;	2391	$self->{last_save} = $cf::RUNTIME;
2070		2392
2071	return unless $self->dirty;	2393	return unless $self->dirty;
2072		2394
…		…
2078	return if $self->{deny_save};	2400	return if $self->{deny_save};
2079		2401
2080	local $self->{last_access} = $self->last_access;#d#	2402	local $self->{last_access} = $self->last_access;#d#
2081		2403
2082	cf::async {	2404	cf::async {
		2405	$Coro::current->{desc} = "map player save";
2083	$_->contr->save for $self->players;	2406	$_->contr->save for $self->players;
2084	};	2407	};
		2408
		2409	cf::get_slot 0.02;
2085		2410
2086	if ($uniq) {	2411	if ($uniq) {
2087	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2412	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2088	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2413	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2089	} else {	2414	} else {
2090	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2415	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2091	}	2416	}
2092	}	2417	}
2093		2418
		2419	sub save {
		2420	my ($self) = @_;
		2421
		2422	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2423
		2424	$self->_save;
		2425	}
		2426
2094	sub swap_out {	2427	sub swap_out {
2095	my ($self) = @_;	2428	my ($self) = @_;
2096		2429
2097	# save first because save cedes
2098	$self->save;
2099
2100	my $lock = cf::lock_acquire "map_data:$self->{path}";	2430	my $lock = cf::lock_acquire "map_data:$self->{path}";
2101		2431
		2432	return if !$self->linkable;
		2433	return if $self->{deny_save};
2102	return if $self->players;	2434	return if $self->players;
2103	return if $self->in_memory != cf::MAP_IN_MEMORY;	2435
		2436	# first deactivate the map and "unlink" it from the core
		2437	$self->deactivate;
		2438	$_->clear_links_to ($self) for values %cf::MAP;
		2439	$self->state (cf::MAP_SWAPPED);
		2440
		2441	# then atomically save
		2442	$self->_save;
		2443
		2444	# then free the map
		2445	$self->clear;
		2446	}
		2447
		2448	sub reset_at {
		2449	my ($self) = @_;
		2450
		2451	# TODO: safety, remove and allow resettable per-player maps
2104	return if $self->{deny_save};	2452	return 1e99 if $self->{deny_reset};
2105		2453
		2454	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2455	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2456
		2457	$time + $to
		2458	}
		2459
		2460	sub should_reset {
		2461	my ($self) = @_;
		2462
		2463	$self->reset_at <= $cf::RUNTIME
		2464	}
		2465
		2466	sub reset {
		2467	my ($self) = @_;
		2468
		2469	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2470
		2471	return if $self->players;
		2472
		2473	cf::trace "resetting map ", $self->path, "\n";
		2474
2106	$self->in_memory (cf::MAP_SWAPPED);	2475	$self->state (cf::MAP_SWAPPED);
		2476
		2477	# need to save uniques path
		2478	unless ($self->{deny_save}) {
		2479	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2480
		2481	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2482	if $uniq;
		2483	}
		2484
		2485	delete $cf::MAP{$self->path};
2107		2486
2108	$self->deactivate;	2487	$self->deactivate;
2109	$_->clear_links_to ($self) for values %cf::MAP;	2488	$_->clear_links_to ($self) for values %cf::MAP;
2110	$self->clear;	2489	$self->clear;
2111	}
2112
2113	sub reset_at {
2114	my ($self) = @_;
2115
2116	# TODO: safety, remove and allow resettable per-player maps
2117	return 1e99 if $self->{deny_reset};
2118
2119	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2120	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2121
2122	$time + $to
2123	}
2124
2125	sub should_reset {
2126	my ($self) = @_;
2127
2128	$self->reset_at <= $cf::RUNTIME
2129	}
2130
2131	sub reset {
2132	my ($self) = @_;
2133
2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
2135
2136	return if $self->players;
2137
2138	warn "resetting map ", $self->path;
2139
2140	$self->in_memory (cf::MAP_SWAPPED);
2141
2142	# need to save uniques path
2143	unless ($self->{deny_save}) {
2144	my $uniq = $self->uniq_path; utf8::encode $uniq;
2145
2146	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2147	if $uniq;
2148	}
2149
2150	delete $cf::MAP{$self->path};
2151
2152	$self->deactivate;
2153	$_->clear_links_to ($self) for values %cf::MAP;
2154	$self->clear;
2155		2490
2156	$self->unlink_save;	2491	$self->unlink_save;
2157	$self->destroy;	2492	$self->destroy;
2158	}	2493	}
2159		2494
…		…
2167		2502
2168	delete $cf::MAP{$self->path};	2503	delete $cf::MAP{$self->path};
2169		2504
2170	$self->unlink_save;	2505	$self->unlink_save;
2171		2506
2172	bless $self, "cf::map";	2507	bless $self, "cf::map::wrap";
2173	delete $self->{deny_reset};	2508	delete $self->{deny_reset};
2174	$self->{deny_save} = 1;	2509	$self->{deny_save} = 1;
2175	$self->reset_timeout (1);	2510	$self->reset_timeout (1);
2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2511	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2177		2512
…		…
2226		2561
2227	sub unique_maps() {	2562	sub unique_maps() {
2228	[	2563	[
2229	map {	2564	map {
2230	utf8::decode $_;	2565	utf8::decode $_;
2231	/\.map$/	2566	s/\.map$//; # TODO future compatibility hack
		2567	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2568	? ()
2232	? normalise $_	2569	: normalise $_
2233	: ()
2234	} @{ aio_readdir $UNIQUEDIR or [] }	2570	} @{ aio_readdir $UNIQUEDIR or [] }
2235	]	2571	]
2236	}	2572	}
2237		2573
2238	package cf;	2574	=item cf::map::static_maps
		2575
		2576	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2577	file in the shared directory excluding F</styles> and F</editor>). May
		2578	block.
		2579
		2580	=cut
		2581
		2582	sub static_maps() {
		2583	my @dirs = "";
		2584	my @maps;
		2585
		2586	while (@dirs) {
		2587	my $dir = shift @dirs;
		2588
		2589	next if $dir eq "/styles" || $dir eq "/editor";
		2590
		2591	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2592	or return;
		2593
		2594	for (@$files) {
		2595	s/\.map$// or next;
		2596	utf8::decode $_;
		2597	push @maps, "$dir/$_";
		2598	}
		2599
		2600	push @dirs, map "$dir/$_", @$dirs;
		2601	}
		2602
		2603	\@maps
		2604	}
2239		2605
2240	=back	2606	=back
2241		2607
2242	=head3 cf::object	2608	=head3 cf::object
2243		2609
…		…
2247		2613
2248	=over 4	2614	=over 4
2249		2615
2250	=item $ob->inv_recursive	2616	=item $ob->inv_recursive
2251		2617
2252	Returns the inventory of the object _and_ their inventories, recursively.	2618	Returns the inventory of the object I<and> their inventories, recursively,
		2619	but I<not> the object itself.
2253		2620
2254	=cut	2621	=cut
2255		2622
2256	sub inv_recursive_;	2623	sub inv_recursive_;
2257	sub inv_recursive_ {	2624	sub inv_recursive_ {
…		…
2262	inv_recursive_ inv $_[0]	2629	inv_recursive_ inv $_[0]
2263	}	2630	}
2264		2631
2265	=item $ref = $ob->ref	2632	=item $ref = $ob->ref
2266		2633
2267	creates and returns a persistent reference to an objetc that can be stored as a string.	2634	Creates and returns a persistent reference to an object that can be stored as a string.
2268		2635
2269	=item $ob = cf::object::deref ($refstring)	2636	=item $ob = cf::object::deref ($refstring)
2270		2637
2271	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2638	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2272	even if the object actually exists. May block.	2639	even if the object actually exists. May block.
…		…
2274	=cut	2641	=cut
2275		2642
2276	sub deref {	2643	sub deref {
2277	my ($ref) = @_;	2644	my ($ref) = @_;
2278		2645
2279	# temporary compatibility#TODO#remove
2280	$ref =~ s{^<}{player/<};
2281
2282	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2646	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2283	my ($uuid, $name) = ($1, $2);	2647	my ($uuid, $name) = ($1, $2);
2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2648	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2285	or return;	2649	or return;
2286	$pl->ob->uuid eq $uuid	2650	$pl->ob->uuid eq $uuid
2287	or return;	2651	or return;
…		…
2307	can be C<undef>. Does the right thing when the player is currently in a	2671	can be C<undef>. Does the right thing when the player is currently in a
2308	dialogue with the given NPC character.	2672	dialogue with the given NPC character.
2309		2673
2310	=cut	2674	=cut
2311		2675
		2676	our $SAY_CHANNEL = {
		2677	id => "say",
		2678	title => "Map",
		2679	reply => "say ",
		2680	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2681	};
		2682
		2683	our $CHAT_CHANNEL = {
		2684	id => "chat",
		2685	title => "Chat",
		2686	reply => "chat ",
		2687	tooltip => "Player chat and shouts, global to the server.",
		2688	};
		2689
2312	# rough implementation of a future "reply" method that works	2690	# rough implementation of a future "reply" method that works
2313	# with dialog boxes.	2691	# with dialog boxes.
2314	#TODO: the first argument must go, split into a $npc->reply_to ( method	2692	#TODO: the first argument must go, split into a $npc->reply_to ( method
2315	sub cf::object::player::reply($$$;$) {	2693	sub cf::object::player::reply($$$;$) {
2316	my ($self, $npc, $msg, $flags) = @_;	2694	my ($self, $npc, $msg, $flags) = @_;
…		…
2327	my $dialog = $pl->{npc_dialog};	2705	my $dialog = $pl->{npc_dialog};
2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2706	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2329		2707
2330	} else {	2708	} else {
2331	$msg = $npc->name . " says: $msg" if $npc;	2709	$msg = $npc->name . " says: $msg" if $npc;
2332	$self->message ($msg, $flags);	2710	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2333	}	2711	}
2334	}	2712	}
2335	}	2713	}
2336		2714
2337	=item $object->send_msg ($channel, $msg, $color, [extra...])	2715	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2362		2740
2363	=item $player_object->enter_link	2741	=item $player_object->enter_link
2364		2742
2365	Freezes the player and moves him/her to a special map (C<{link}>).	2743	Freezes the player and moves him/her to a special map (C<{link}>).
2366		2744
2367	The player should be reasonably safe there for short amounts of time. You	2745	The player should be reasonably safe there for short amounts of time (e.g.
2368	I<MUST> call C<leave_link> as soon as possible, though.	2746	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2747	though, as the player cannot control the character while it is on the link
		2748	map.
2369		2749
2370	Will never block.	2750	Will never block.
2371		2751
2372	=item $player_object->leave_link ($map, $x, $y)	2752	=item $player_object->leave_link ($map, $x, $y)
2373		2753
…		…
2393	sub cf::object::player::enter_link {	2773	sub cf::object::player::enter_link {
2394	my ($self) = @_;	2774	my ($self) = @_;
2395		2775
2396	$self->deactivate_recursive;	2776	$self->deactivate_recursive;
2397		2777
		2778	++$self->{_link_recursion};
		2779
2398	return if UNIVERSAL::isa $self->map, "ext::map_link";	2780	return if UNIVERSAL::isa $self->map, "ext::map_link";
2399		2781
2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2782	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2401	if $self->map && $self->map->{path} ne "{link}";	2783	if $self->map && $self->map->{path} ne "{link}";
2402		2784
2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2785	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2404	}	2786	}
2405		2787
2406	sub cf::object::player::leave_link {	2788	sub cf::object::player::leave_link {
2407	my ($self, $map, $x, $y) = @_;	2789	my ($self, $map, $x, $y) = @_;
2408		2790
…		…
2425	($x, $y) = (-1, -1)	2807	($x, $y) = (-1, -1)
2426	unless (defined $x) && (defined $y);	2808	unless (defined $x) && (defined $y);
2427		2809
2428	# use -1 or undef as default coordinates, not 0, 0	2810	# use -1 or undef as default coordinates, not 0, 0
2429	($x, $y) = ($map->enter_x, $map->enter_y)	2811	($x, $y) = ($map->enter_x, $map->enter_y)
2430	if $x <=0 && $y <= 0;	2812	if $x <= 0 && $y <= 0;
2431		2813
2432	$map->load;	2814	$map->load;
2433	$map->load_neighbours;
2434		2815
2435	return unless $self->contr->active;	2816	return unless $self->contr->active;
2436	$self->activate_recursive;
2437		2817
2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2818	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2439	$self->enter_map ($map, $x, $y);	2819	if ($self->enter_map ($map, $x, $y)) {
2440	}	2820	# entering was successful
		2821	delete $self->{_link_recursion};
		2822	# only activate afterwards, to support waiting in hooks
		2823	$self->activate_recursive;
		2824	}
2441		2825
		2826	}
		2827
2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2828	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2443		2829
2444	Moves the player to the given map-path and coordinates by first freezing	2830	Moves the player to the given map-path and coordinates by first freezing
2445	her, loading and preparing them map, calling the provided $check callback	2831	her, loading and preparing them map, calling the provided $check callback
2446	that has to return the map if sucecssful, and then unfreezes the player on	2832	that has to return the map if sucecssful, and then unfreezes the player on
2447	the new (success) or old (failed) map position. In either case, $done will	2833	the new (success) or old (failed) map position. In either case, $done will
2448	be called at the end of this process.	2834	be called at the end of this process.
2449		2835
		2836	Note that $check will be called with a potentially non-loaded map, so if
		2837	it needs a loaded map it has to call C<< ->load >>.
		2838
2450	=cut	2839	=cut
2451		2840
2452	our $GOTOGEN;	2841	our $GOTOGEN;
2453		2842
2454	sub cf::object::player::goto {	2843	sub cf::object::player::goto {
2455	my ($self, $path, $x, $y, $check, $done) = @_;	2844	my ($self, $path, $x, $y, $check, $done) = @_;
2456		2845
		2846	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2847	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2848	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2849	($path, $x, $y) = @$EMERGENCY_POSITION;
		2850	}
		2851
2457	# do generation counting so two concurrent goto's will be executed in-order	2852	# do generation counting so two concurrent goto's will be executed in-order
2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2853	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2459		2854
2460	$self->enter_link;	2855	$self->enter_link;
2461		2856
2462	(async {	2857	(async {
		2858	$Coro::current->{desc} = "player::goto $path $x $y";
		2859
2463	# *tag paths override both path and x|y	2860	# *tag paths override both path and x|y
2464	if ($path =~ /^\*(.*)$/) {	2861	if ($path =~ /^\*(.*)$/) {
2465	if (my @obs = grep $_->map, ext::map_tags::find $1) {	2862	if (my @obs = grep $_->map, ext::map_tags::find $1) {
2466	my $ob = $obs[rand @obs];	2863	my $ob = $obs[rand @obs];
2467		2864
2468	# see if we actually can go there	2865	# see if we actually can go there
2469	# todo: use ob_blocked to check all tiles of the destination "object"	2866	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2470	# for suitability.	2867	$ob = $obs[rand @obs];
		2868	} else {
		2869	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2870	}
		2871	# else put us there anyways for now #d#
2471		2872
2472	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);	2873	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2874	} else {
		2875	($path, $x, $y) = (undef, undef, undef);
2473	}	2876	}
2474	}	2877	}
2475		2878
2476	my $map = eval {	2879	my $map = eval {
2477	my $map = cf::map::find $path;	2880	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2478		2881
2479	if ($map) {	2882	if ($map) {
2480	$map = $map->customise_for ($self);	2883	$map = $map->customise_for ($self);
2481	$map = $check->($map) if $check && $map;	2884	$map = $check->($map, $x, $y, $self) if $check && $map;
2482	} else {	2885	} else {
2483	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2886	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2484	}	2887	}
2485		2888
2486	$map	2889	$map
2487	};	2890	};
2488		2891
…		…
2494	if ($gen == $self->{_goto_generation}) {	2897	if ($gen == $self->{_goto_generation}) {
2495	delete $self->{_goto_generation};	2898	delete $self->{_goto_generation};
2496	$self->leave_link ($map, $x, $y);	2899	$self->leave_link ($map, $x, $y);
2497	}	2900	}
2498		2901
2499	$done->() if $done;	2902	$done->($self) if $done;
2500	})->prio (1);	2903	})->prio (1);
2501	}	2904	}
2502		2905
2503	=item $player_object->enter_exit ($exit_object)	2906	=item $player_object->enter_exit ($exit_object)
2504		2907
…		…
2524	}	2927	}
2525		2928
2526	sub prepare_random_map {	2929	sub prepare_random_map {
2527	my ($exit) = @_;	2930	my ($exit) = @_;
2528		2931
2529	my $guard = cf::lock_acquire "exit_prepare:$exit";
2530
2531	# all this does is basically replace the /! path by	2932	# all this does is basically replace the /! path by
2532	# a new random map path (?random/...) with a seed	2933	# a new random map path (?random/...) with a seed
2533	# that depends on the exit object	2934	# that depends on the exit object
2534		2935
2535	my $rmp = parse_random_map_params $exit->msg;	2936	my $rmp = parse_random_map_params $exit->msg;
…		…
2537	if ($exit->map) {	2938	if ($exit->map) {
2538	$rmp->{region} = $exit->region->name;	2939	$rmp->{region} = $exit->region->name;
2539	$rmp->{origin_map} = $exit->map->path;	2940	$rmp->{origin_map} = $exit->map->path;
2540	$rmp->{origin_x} = $exit->x;	2941	$rmp->{origin_x} = $exit->x;
2541	$rmp->{origin_y} = $exit->y;	2942	$rmp->{origin_y} = $exit->y;
		2943
		2944	$exit->map->touch;
2542	}	2945	}
2543		2946
2544	$rmp->{random_seed} ||= $exit->random_seed;	2947	$rmp->{random_seed} ||= $exit->random_seed;
2545		2948
2546	my $data = cf::to_json $rmp;	2949	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2547	my $md5 = Digest::MD5::md5_hex $data;	2950	my $md5 = Digest::MD5::md5_hex $data;
2548	my $meta = "$RANDOMDIR/$md5.meta";	2951	my $meta = "$RANDOMDIR/$md5.meta";
2549		2952
2550	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2551	aio_write $fh, 0, (length $data), $data, 0;	2954	aio_write $fh, 0, (length $data), $data, 0;
2552	undef $fh;	2955	undef $fh;
2553	aio_rename "$meta~", $meta;	2956	aio_rename "$meta~", $meta;
2554		2957
		2958	my $slaying = "?random/$md5";
		2959
		2960	if ($exit->valid) {
2555	$exit->slaying ("?random/$md5");	2961	$exit->slaying ("?random/$md5");
2556	$exit->msg (undef);	2962	$exit->msg (undef);
		2963	}
2557	}	2964	}
2558	}	2965	}
2559		2966
2560	sub cf::object::player::enter_exit {	2967	sub cf::object::player::enter_exit {
2561	my ($self, $exit) = @_;	2968	my ($self, $exit) = @_;
2562		2969
2563	return unless $self->type == cf::PLAYER;	2970	return unless $self->type == cf::PLAYER;
2564		2971
2565	if ($exit->slaying eq "/!") {
2566	#TODO: this should de-fi-ni-te-ly not be a sync-job
2567	# the problem is that $exit might not survive long enough
2568	# so it needs to be done right now, right here
2569	cf::sync_job { prepare_random_map $exit };
2570	}
2571
2572	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2573	my $hp = $exit->stats->hp;
2574	my $sp = $exit->stats->sp;
2575
2576	$self->enter_link;	2972	$self->enter_link;
2577		2973
2578	# if exit is damned, update players death & WoR home-position
2579	$self->contr->savebed ($slaying, $hp, $sp)
2580	if $exit->flag (FLAG_DAMNED);
2581
2582	(async {	2974	(async {
2583	$self->deactivate_recursive; # just to be sure	2975	$Coro::current->{desc} = "enter_exit";
		2976
2584	unless (eval {	2977	unless (eval {
		2978	$self->deactivate_recursive; # just to be sure
		2979
		2980	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2981	my $x = $exit->stats->hp;
		2982	my $y = $exit->stats->sp;
		2983
		2984	# special map handling
		2985	my $slaying = $exit->slaying;
		2986
		2987	# special map handling
		2988	if ($slaying eq "/!") {
		2989	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2990
		2991	prepare_random_map $exit
		2992	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2993
		2994	$map = $exit->slaying;
		2995
		2996	} elsif ($slaying eq '!up') {
		2997	$map = $exit->map->tile_path (cf::TILE_UP);
		2998	$x = $exit->x;
		2999	$y = $exit->y;
		3000
		3001	} elsif ($slaying eq '!down') {
		3002	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3003	$x = $exit->x;
		3004	$y = $exit->y;
		3005	}
		3006
2585	$self->goto ($slaying, $hp, $sp);	3007	$self->goto ($map, $x, $y);
2586		3008
		3009	# if exit is damned, update players death & WoR home-position
		3010	$self->contr->savebed ($map, $x, $y)
		3011	if $exit->flag (cf::FLAG_DAMNED);
		3012
2587	1;	3013	1
2588	}) {	3014	}) {
2589	$self->message ("Something went wrong deep within the crossfire server. "	3015	$self->message ("Something went wrong deep within the deliantra server. "
2590	. "I'll try to bring you back to the map you were before. "	3016	. "I'll try to bring you back to the map you were before. "
2591	. "Please report this to the dungeon master!",	3017	. "Please report this to the dungeon master!",
2592	cf::NDI_UNIQUE | cf::NDI_RED);	3018	cf::NDI_UNIQUE | cf::NDI_RED);
2593		3019
2594	warn "ERROR in enter_exit: $@";	3020	error "ERROR in enter_exit: $@";
2595	$self->leave_link;	3021	$self->leave_link;
2596	}	3022	}
2597	})->prio (1);	3023	})->prio (1);
2598	}	3024	}
2599		3025
…		…
2611	sub cf::client::send_drawinfo {	3037	sub cf::client::send_drawinfo {
2612	my ($self, $text, $flags) = @_;	3038	my ($self, $text, $flags) = @_;
2613		3039
2614	utf8::encode $text;	3040	utf8::encode $text;
2615	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3041	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3042	}
		3043
		3044	=item $client->send_big_packet ($pkt)
		3045
		3046	Like C<send_packet>, but tries to compress large packets, and fragments
		3047	them as required.
		3048
		3049	=cut
		3050
		3051	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3052
		3053	sub cf::client::send_big_packet {
		3054	my ($self, $pkt) = @_;
		3055
		3056	# try lzf for large packets
		3057	$pkt = "lzf " . Compress::LZF::compress $pkt
		3058	if 1024 <= length $pkt and $self->{can_lzf};
		3059
		3060	# split very large packets
		3061	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3062	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3063	$pkt = "frag";
		3064	}
		3065
		3066	$self->send_packet ($pkt);
2616	}	3067	}
2617		3068
2618	=item $client->send_msg ($channel, $msg, $color, [extra...])	3069	=item $client->send_msg ($channel, $msg, $color, [extra...])
2619		3070
2620	Send a drawinfo or msg packet to the client, formatting the msg for the	3071	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2622	the message, with C<log> being the default. If C<$color> is negative, suppress	3073	the message, with C<log> being the default. If C<$color> is negative, suppress
2623	the message unless the client supports the msg packet.	3074	the message unless the client supports the msg packet.
2624		3075
2625	=cut	3076	=cut
2626		3077
		3078	# non-persistent channels (usually the info channel)
2627	our %CHANNEL = (	3079	our %CHANNEL = (
		3080	"c/motd" => {
		3081	id => "infobox",
		3082	title => "MOTD",
		3083	reply => undef,
		3084	tooltip => "The message of the day",
		3085	},
2628	"c/identify" => {	3086	"c/identify" => {
2629	id => "identify",	3087	id => "infobox",
2630	title => "Identify",	3088	title => "Identify",
2631	reply => undef,	3089	reply => undef,
2632	tooltip => "Items recently identified",	3090	tooltip => "Items recently identified",
2633	},	3091	},
2634	"c/examine" => {	3092	"c/examine" => {
2635	id => "examine",	3093	id => "infobox",
2636	title => "Examine",	3094	title => "Examine",
2637	reply => undef,	3095	reply => undef,
2638	tooltip => "Signs and other items you examined",	3096	tooltip => "Signs and other items you examined",
2639	},	3097	},
		3098	"c/shopinfo" => {
		3099	id => "infobox",
		3100	title => "Shop Info",
		3101	reply => undef,
		3102	tooltip => "What your bargaining skill tells you about the shop",
		3103	},
		3104	"c/book" => {
		3105	id => "infobox",
		3106	title => "Book",
		3107	reply => undef,
		3108	tooltip => "The contents of a note or book",
		3109	},
		3110	"c/lookat" => {
		3111	id => "infobox",
		3112	title => "Look",
		3113	reply => undef,
		3114	tooltip => "What you saw there",
		3115	},
		3116	"c/who" => {
		3117	id => "infobox",
		3118	title => "Players",
		3119	reply => undef,
		3120	tooltip => "Shows players who are currently online",
		3121	},
		3122	"c/body" => {
		3123	id => "infobox",
		3124	title => "Body Parts",
		3125	reply => undef,
		3126	tooltip => "Shows which body parts you posess and are available",
		3127	},
		3128	"c/statistics" => {
		3129	id => "infobox",
		3130	title => "Statistics",
		3131	reply => undef,
		3132	tooltip => "Shows your primary statistics",
		3133	},
		3134	"c/skills" => {
		3135	id => "infobox",
		3136	title => "Skills",
		3137	reply => undef,
		3138	tooltip => "Shows your experience per skill and item power",
		3139	},
		3140	"c/shopitems" => {
		3141	id => "infobox",
		3142	title => "Shop Items",
		3143	reply => undef,
		3144	tooltip => "Shows the items currently for sale in this shop",
		3145	},
		3146	"c/resistances" => {
		3147	id => "infobox",
		3148	title => "Resistances",
		3149	reply => undef,
		3150	tooltip => "Shows your resistances",
		3151	},
		3152	"c/pets" => {
		3153	id => "infobox",
		3154	title => "Pets",
		3155	reply => undef,
		3156	tooltip => "Shows information abotu your pets/a specific pet",
		3157	},
		3158	"c/perceiveself" => {
		3159	id => "infobox",
		3160	title => "Perceive Self",
		3161	reply => undef,
		3162	tooltip => "You gained detailed knowledge about yourself",
		3163	},
		3164	"c/uptime" => {
		3165	id => "infobox",
		3166	title => "Uptime",
		3167	reply => undef,
		3168	tooltip => "How long the server has been running since last restart",
		3169	},
		3170	"c/mapinfo" => {
		3171	id => "infobox",
		3172	title => "Map Info",
		3173	reply => undef,
		3174	tooltip => "Information related to the maps",
		3175	},
		3176	"c/party" => {
		3177	id => "party",
		3178	title => "Party",
		3179	reply => "gsay ",
		3180	tooltip => "Messages and chat related to your party",
		3181	},
		3182	"c/death" => {
		3183	id => "death",
		3184	title => "Death",
		3185	reply => undef,
		3186	tooltip => "Reason for and more info about your most recent death",
		3187	},
		3188	"c/say" => $SAY_CHANNEL,
		3189	"c/chat" => $CHAT_CHANNEL,
2640	);	3190	);
2641		3191
2642	sub cf::client::send_msg {	3192	sub cf::client::send_msg {
2643	my ($self, $channel, $msg, $color, @extra) = @_;	3193	my ($self, $channel, $msg, $color, @extra) = @_;
2644		3194
2645	$msg = $self->pl->expand_cfpod ($msg);	3195	$msg = $self->pl->expand_cfpod ($msg)
		3196	unless $color & cf::NDI_VERBATIM;
2646		3197
2647	$color &= cf::NDI_CLIENT_MASK; # just in case...	3198	$color &= cf::NDI_CLIENT_MASK; # just in case...
2648		3199
2649	# check predefined channels, for the benefit of C	3200	# check predefined channels, for the benefit of C
2650	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	3201	if ($CHANNEL{$channel}) {
		3202	$channel = $CHANNEL{$channel};
2651		3203
		3204	$self->ext_msg (channel_info => $channel);
		3205	$channel = $channel->{id};
		3206
2652	if (ref $channel) {	3207	} elsif (ref $channel) {
2653	# send meta info to client, if not yet sent	3208	# send meta info to client, if not yet sent
2654	unless (exists $self->{channel}{$channel->{id}}) {	3209	unless (exists $self->{channel}{$channel->{id}}) {
2655	$self->{channel}{$channel->{id}} = $channel;	3210	$self->{channel}{$channel->{id}} = $channel;
2656	$self->ext_msg (channel_info => $channel)	3211	$self->ext_msg (channel_info => $channel);
2657	if $self->can_msg;
2658	}	3212	}
2659		3213
2660	$channel = $channel->{id};	3214	$channel = $channel->{id};
2661	}	3215	}
2662		3216
2663	return unless @extra || length $msg;	3217	return unless @extra || length $msg;
2664		3218
2665	if ($self->can_msg) {
2666	# default colour, mask it out	3219	# default colour, mask it out
2667	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3220	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2668	if $color & cf::NDI_DEF;	3221	if $color & cf::NDI_DEF;
2669		3222
2670	$self->send_packet ("msg " . $self->{json_coder}->encode (	3223	my $pkt = "msg "
		3224	. $self->{json_coder}->encode (
2671	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3225	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2672	} else {	3226	);
2673	if ($color >= 0) {
2674	# replace some tags by gcfclient-compatible ones
2675	for ($msg) {
2676	1 while
2677	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2678	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2679	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2680	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2681	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2682	}
2683		3227
2684	$color &= cf::NDI_COLOR_MASK;	3228	$self->send_big_packet ($pkt);
2685
2686	utf8::encode $msg;
2687
2688	if (0 && $msg =~ /\[/) {
2689	# COMMAND/INFO
2690	$self->send_packet ("drawextinfo $color 10 8 $msg")
2691	} else {
2692	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2693	$self->send_packet ("drawinfo $color $msg")
2694	}
2695	}
2696	}
2697	}	3229	}
2698		3230
2699	=item $client->ext_msg ($type, @msg)	3231	=item $client->ext_msg ($type, @msg)
2700		3232
2701	Sends an ext event to the client.	3233	Sends an ext event to the client.
…		…
2704		3236
2705	sub cf::client::ext_msg($$@) {	3237	sub cf::client::ext_msg($$@) {
2706	my ($self, $type, @msg) = @_;	3238	my ($self, $type, @msg) = @_;
2707		3239
2708	if ($self->extcmd == 2) {	3240	if ($self->extcmd == 2) {
2709	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3241	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2710	} elsif ($self->extcmd == 1) { # TODO: remove	3242	} elsif ($self->extcmd == 1) { # TODO: remove
2711	push @msg, msgtype => "event_$type";	3243	push @msg, msgtype => "event_$type";
2712	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3244	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2713	}	3245	}
2714	}	3246	}
2715		3247
2716	=item $client->ext_reply ($msgid, @msg)	3248	=item $client->ext_reply ($msgid, @msg)
2717		3249
…		…
2720	=cut	3252	=cut
2721		3253
2722	sub cf::client::ext_reply($$@) {	3254	sub cf::client::ext_reply($$@) {
2723	my ($self, $id, @msg) = @_;	3255	my ($self, $id, @msg) = @_;
2724		3256
2725	if ($self->extcmd == 2) {	3257	return unless $self->extcmd == 2;
		3258
2726	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3259	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2727	} elsif ($self->extcmd == 1) {
2728	#TODO: version 1, remove
2729	unshift @msg, msgtype => "reply", msgid => $id;
2730	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2731	}
2732	}	3260	}
2733		3261
2734	=item $success = $client->query ($flags, "text", \&cb)	3262	=item $success = $client->query ($flags, "text", \&cb)
2735		3263
2736	Queues a query to the client, calling the given callback with	3264	Queues a query to the client, calling the given callback with
…		…
2791	my ($ns, $buf) = @_;	3319	my ($ns, $buf) = @_;
2792		3320
2793	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3321	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2794		3322
2795	if (ref $msg) {	3323	if (ref $msg) {
2796	my ($type, $reply, @payload) =	3324	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2797	"ARRAY" eq ref $msg
2798	? @$msg
2799	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2800		3325
2801	my @reply;	3326	my @reply;
2802		3327
2803	if (my $cb = $EXTICMD{$type}) {	3328	if (my $cb = $EXTICMD{$type}) {
2804	@reply = $cb->($ns, @payload);	3329	@reply = $cb->($ns, @payload);
…		…
2806		3331
2807	$ns->ext_reply ($reply, @reply)	3332	$ns->ext_reply ($reply, @reply)
2808	if $reply;	3333	if $reply;
2809		3334
2810	} else {	3335	} else {
2811	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3336	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2812	}	3337	}
2813		3338
2814	cf::override;	3339	cf::override;
2815	},	3340	},
2816	);	3341	);
…		…
2836		3361
2837	$coro	3362	$coro
2838	}	3363	}
2839		3364
2840	cf::client->attach (	3365	cf::client->attach (
2841	on_destroy => sub {	3366	on_client_destroy => sub {
2842	my ($ns) = @_;	3367	my ($ns) = @_;
2843		3368
2844	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3369	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2845	},	3370	},
2846	);	3371	);
…		…
2862	our $safe_hole = new Safe::Hole;	3387	our $safe_hole = new Safe::Hole;
2863		3388
2864	$SIG{FPE} = 'IGNORE';	3389	$SIG{FPE} = 'IGNORE';
2865		3390
2866	$safe->permit_only (Opcode::opset qw(	3391	$safe->permit_only (Opcode::opset qw(
2867	:base_core :base_mem :base_orig :base_math	3392	:base_core :base_mem :base_orig :base_math :base_loop
2868	grepstart grepwhile mapstart mapwhile	3393	grepstart grepwhile mapstart mapwhile
2869	sort time	3394	sort time
2870	));	3395	));
2871		3396
2872	# here we export the classes and methods available to script code	3397	# here we export the classes and methods available to script code
…		…
2874	=pod	3399	=pod
2875		3400
2876	The following functions and methods are available within a safe environment:	3401	The following functions and methods are available within a safe environment:
2877		3402
2878	cf::object	3403	cf::object
2879	contr pay_amount pay_player map x y force_find force_add	3404	contr pay_amount pay_player map x y force_find force_add destroy
2880	insert remove name archname title slaying race decrease_ob_nr	3405	insert remove name archname title slaying race decrease split
		3406	value
2881		3407
2882	cf::object::player	3408	cf::object::player
2883	player	3409	player
2884		3410
2885	cf::player	3411	cf::player
…		…
2890		3416
2891	=cut	3417	=cut
2892		3418
2893	for (	3419	for (
2894	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3420	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2895	insert remove inv name archname title slaying race	3421	insert remove inv nrof name archname title slaying race
2896	decrease_ob_nr)],	3422	decrease split destroy change_exp value msg lore send_msg)],
2897	["cf::object::player" => qw(player)],	3423	["cf::object::player" => qw(player)],
2898	["cf::player" => qw(peaceful)],	3424	["cf::player" => qw(peaceful send_msg)],
2899	["cf::map" => qw(trigger)],	3425	["cf::map" => qw(trigger)],
2900	) {	3426	) {
2901	no strict 'refs';
2902	my ($pkg, @funs) = @$_;	3427	my ($pkg, @funs) = @$_;
2903	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3428	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2904	for @funs;	3429	for @funs;
2905	}	3430	}
2906		3431
…		…
2921		3446
2922	my $qcode = $code;	3447	my $qcode = $code;
2923	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3448	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2924	$qcode =~ s/\n/\\n/g;	3449	$qcode =~ s/\n/\\n/g;
2925		3450
		3451	%vars = (_dummy => 0) unless %vars;
		3452
		3453	my @res;
2926	local $_;	3454	local $_;
2927	local @safe::cf::_safe_eval_args = values %vars;
2928		3455
2929	my $eval =	3456	my $eval =
2930	"do {\n"	3457	"do {\n"
2931	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3458	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2932	. "#line 0 \"{$qcode}\"\n"	3459	. "#line 0 \"{$qcode}\"\n"
2933	. $code	3460	. $code
2934	. "\n}"	3461	. "\n}"
2935	;	3462	;
2936		3463
		3464	if ($CFG{safe_eval}) {
2937	sub_generation_inc;	3465	sub_generation_inc;
		3466	local @safe::cf::_safe_eval_args = values %vars;
2938	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3467	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2939	sub_generation_inc;	3468	sub_generation_inc;
		3469	} else {
		3470	local @cf::_safe_eval_args = values %vars;
		3471	@res = wantarray ? eval eval : scalar eval $eval;
		3472	}
2940		3473
2941	if ($@) {	3474	if ($@) {
2942	warn "$@";	3475	warn "$@",
2943	warn "while executing safe code '$code'\n";	3476	"while executing safe code '$code'\n",
2944	warn "with arguments " . (join " ", %vars) . "\n";	3477	"with arguments " . (join " ", %vars) . "\n";
2945	}	3478	}
2946		3479
2947	wantarray ? @res : $res[0]	3480	wantarray ? @res : $res[0]
2948	}	3481	}
2949		3482
…		…
2963	=cut	3496	=cut
2964		3497
2965	sub register_script_function {	3498	sub register_script_function {
2966	my ($fun, $cb) = @_;	3499	my ($fun, $cb) = @_;
2967		3500
2968	no strict 'refs';	3501	$fun = "safe::$fun" if $CFG{safe_eval};
2969	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3502	*$fun = $safe_hole->wrap ($cb);
2970	}	3503	}
2971		3504
2972	=back	3505	=back
2973		3506
2974	=cut	3507	=cut
2975		3508
2976	#############################################################################	3509	#############################################################################
2977	# the server's init and main functions	3510	# the server's init and main functions
		3511
		3512	our %FACEHASH; # hash => idx, #d# HACK for http server
2978		3513
2979	sub load_facedata($) {	3514	sub load_facedata($) {
2980	my ($path) = @_;	3515	my ($path) = @_;
2981		3516
2982	# HACK to clear player env face cache, we need some signal framework	3517	# HACK to clear player env face cache, we need some signal framework
2983	# for this (global event?)	3518	# for this (global event?)
2984	%ext::player_env::MUSIC_FACE_CACHE = ();	3519	%ext::player_env::MUSIC_FACE_CACHE = ();
2985		3520
2986	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3521	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2987		3522
2988	warn "loading facedata from $path\n";	3523	trace "loading facedata from $path\n";
2989		3524
2990	my $facedata;	3525	my $facedata = decode_storable load_file $path;
2991	0 < aio_load $path, $facedata
2992	or die "$path: $!";
2993
2994	$facedata = Coro::Storable::thaw $facedata;
2995		3526
2996	$facedata->{version} == 2	3527	$facedata->{version} == 2
2997	or cf::cleanup "$path: version mismatch, cannot proceed.";	3528	or cf::cleanup "$path: version mismatch, cannot proceed.";
2998		3529
2999	# patch in the exptable	3530	# patch in the exptable
		3531	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3000	$facedata->{resource}{"res/exp_table"} = {	3532	$facedata->{resource}{"res/exp_table"} = {
3001	type => FT_RSRC,	3533	type => FT_RSRC,
3002	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3534	data => $exp_table,
		3535	hash => (Digest::MD5::md5 $exp_table),
3003	};	3536	};
3004	cf::cede_to_tick;	3537	cf::cede_to_tick;
3005		3538
3006	{	3539	{
3007	my $faces = $facedata->{faceinfo};	3540	my $faces = $facedata->{faceinfo};
3008		3541
3009	while (my ($face, $info) = each %$faces) {	3542	for my $face (sort keys %$faces) {
		3543	my $info = $faces->{$face};
3010	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3544	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3545
3011	cf::face::set_visibility $idx, $info->{visibility};	3546	cf::face::set_visibility $idx, $info->{visibility};
3012	cf::face::set_magicmap $idx, $info->{magicmap};	3547	cf::face::set_magicmap $idx, $info->{magicmap};
3013	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3548	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3014	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3549	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3550	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3551	$FACEHASH{$info->{hash64}} = $idx;#d#
3015		3552
3016	cf::cede_to_tick;	3553	cf::cede_to_tick;
3017	}	3554	}
3018		3555
3019	while (my ($face, $info) = each %$faces) {	3556	while (my ($face, $info) = each %$faces) {
3020	next unless $info->{smooth};	3557	next unless $info->{smooth};
		3558
3021	my $idx = cf::face::find $face	3559	my $idx = cf::face::find $face
3022	or next;	3560	or next;
		3561
3023	if (my $smooth = cf::face::find $info->{smooth}) {	3562	if (my $smooth = cf::face::find $info->{smooth}) {
3024	cf::face::set_smooth $idx, $smooth;	3563	cf::face::set_smooth $idx, $smooth;
3025	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3564	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3026	} else {	3565	} else {
3027	warn "smooth face '$info->{smooth}' not found for face '$face'";	3566	error "smooth face '$info->{smooth}' not found for face '$face'";
3028	}	3567	}
3029		3568
3030	cf::cede_to_tick;	3569	cf::cede_to_tick;
3031	}	3570	}
3032	}	3571	}
…		…
3041		3580
3042	cf::anim::invalidate_all; # d'oh	3581	cf::anim::invalidate_all; # d'oh
3043	}	3582	}
3044		3583
3045	{	3584	{
3046	# TODO: for gcfclient pleasure, we should give resources
3047	# that gcfclient doesn't grok a >10000 face index.
3048	my $res = $facedata->{resource};	3585	my $res = $facedata->{resource};
3049		3586
3050	my $soundconf = delete $res->{"res/sound.conf"};
3051
3052	while (my ($name, $info) = each %$res) {	3587	while (my ($name, $info) = each %$res) {
		3588	if (defined (my $type = $info->{type})) {
		3589	# TODO: different hash - must free and use new index, or cache ixface data queue
3053	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3590	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3054	my $data;
3055		3591
3056	if ($info->{type} & 1) {	3592	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3057	# prepend meta info	3593	cf::face::set_type $idx, $type;
3058		3594	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
3059	my $meta = $enc->encode ({	3595	$FACEHASH{$info->{hash}} = $idx;#d#
3060	name => $name,
3061	%{ $info->{meta} || {} },
3062	});
3063
3064	$data = pack "(w/a*)*", $meta, $info->{data};
3065	} else {	3596	} else {
3066	$data = $info->{data};	3597	# $RESOURCE{$name} = $info; # unused
3067	}	3598	}
3068		3599
3069	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3070	cf::face::set_type $idx, $info->{type};
3071
3072	cf::cede_to_tick;	3600	cf::cede_to_tick;
3073	}	3601	}
3074
3075	if ($soundconf) {
3076	$soundconf = $enc->decode (delete $soundconf->{data});
3077
3078	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3079	my $sound = $soundconf->{compat}[$_]
3080	or next;
3081
3082	my $face = cf::face::find "sound/$sound->[1]";
3083	cf::sound::set $sound->[0] => $face;
3084	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3085	}
3086
3087	while (my ($k, $v) = each %{$soundconf->{event}}) {
3088	my $face = cf::face::find "sound/$v";
3089	cf::sound::set $k => $face;
3090	}
3091	}
3092	}	3602	}
		3603
		3604	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3093		3605
3094	1	3606	1
3095	}	3607	}
3096		3608
3097	register_exticmd fx_want => sub {	3609	register_exticmd fx_want => sub {
…		…
3099		3611
3100	while (my ($k, $v) = each %$want) {	3612	while (my ($k, $v) = each %$want) {
3101	$ns->fx_want ($k, $v);	3613	$ns->fx_want ($k, $v);
3102	}	3614	}
3103	};	3615	};
		3616
		3617	sub load_resource_file($) {
		3618	my $guard = lock_acquire "load_resource_file";
		3619
		3620	my $status = load_resource_file_ $_[0];
		3621	get_slot 0.1, 100;
		3622	cf::arch::commit_load;
		3623
		3624	$status
		3625	}
3104		3626
3105	sub reload_regions {	3627	sub reload_regions {
3106	# HACK to clear player env face cache, we need some signal framework	3628	# HACK to clear player env face cache, we need some signal framework
3107	# for this (global event?)	3629	# for this (global event?)
3108	%ext::player_env::MUSIC_FACE_CACHE = ();	3630	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3122	}	3644	}
3123		3645
3124	sub reload_archetypes {	3646	sub reload_archetypes {
3125	load_resource_file "$DATADIR/archetypes"	3647	load_resource_file "$DATADIR/archetypes"
3126	or die "unable to load archetypes\n";	3648	or die "unable to load archetypes\n";
3127	#d# NEED to laod twice to resolve forward references
3128	# this really needs to be done in an extra post-pass
3129	# (which needs to be synchronous, so solve it differently)
3130	load_resource_file "$DATADIR/archetypes"
3131	or die "unable to load archetypes\n";
3132	}	3649	}
3133		3650
3134	sub reload_treasures {	3651	sub reload_treasures {
3135	load_resource_file "$DATADIR/treasures"	3652	load_resource_file "$DATADIR/treasures"
3136	or die "unable to load treasurelists\n";	3653	or die "unable to load treasurelists\n";
3137	}	3654	}
3138		3655
		3656	sub reload_sound {
		3657	trace "loading sound config from $DATADIR/sound\n";
		3658
		3659	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3660
		3661	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3662	my $sound = $soundconf->{compat}[$_]
		3663	or next;
		3664
		3665	my $face = cf::face::find "sound/$sound->[1]";
		3666	cf::sound::set $sound->[0] => $face;
		3667	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3668	}
		3669
		3670	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3671	my $face = cf::face::find "sound/$v";
		3672	cf::sound::set $k => $face;
		3673	}
		3674	}
		3675
3139	sub reload_resources {	3676	sub reload_resources {
3140	warn "reloading resource files...\n";	3677	trace "reloading resource files...\n";
3141		3678
		3679	reload_exp_table;
		3680	reload_materials;
		3681	reload_facedata;
		3682	reload_sound;
		3683	reload_archetypes;
3142	reload_regions;	3684	reload_regions;
3143	reload_facedata;
3144	#reload_archetypes;#d#
3145	reload_archetypes;
3146	reload_treasures;	3685	reload_treasures;
3147		3686
3148	warn "finished reloading resource files\n";	3687	trace "finished reloading resource files\n";
3149	}
3150
3151	sub init {
3152	reload_resources;
3153	}	3688	}
3154		3689
3155	sub reload_config {	3690	sub reload_config {
3156	open my $fh, "<:utf8", "$CONFDIR/config"	3691	trace "reloading config file...\n";
3157	or return;
3158		3692
3159	local $/;	3693	my $config = load_file "$CONFDIR/config";
3160	*CFG = YAML::Syck::Load <$fh>;	3694	utf8::decode $config;
		3695	*CFG = decode_yaml $config;
3161		3696
3162	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3697	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3163		3698
3164	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3699	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3165	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3700	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3166		3701
3167	if (exists $CFG{mlockall}) {	3702	if (exists $CFG{mlockall}) {
…		…
3171	};	3706	};
3172	warn $@ if $@;	3707	warn $@ if $@;
3173	}	3708	}
3174	}	3709	}
3175		3710
		3711	sub pidfile() {
		3712	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3713	or die "$PIDFILE: $!";
		3714	flock $fh, &Fcntl::LOCK_EX
		3715	or die "$PIDFILE: flock: $!";
		3716	$fh
		3717	}
		3718
		3719	# make sure only one server instance is running at any one time
		3720	sub atomic {
		3721	my $fh = pidfile;
		3722
		3723	my $pid = <$fh>;
		3724	kill 9, $pid if $pid > 0;
		3725
		3726	seek $fh, 0, 0;
		3727	print $fh $$;
		3728	}
		3729
		3730	sub main_loop {
		3731	trace "EV::loop starting\n";
		3732	if (1) {
		3733	EV::loop;
		3734	}
		3735	trace "EV::loop returned\n";
		3736	goto &main_loop unless $REALLY_UNLOOP;
		3737	}
		3738
3176	sub main {	3739	sub main {
		3740	cf::init_globals; # initialise logging
		3741
		3742	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3743	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3744	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3745	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3746
		3747	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3748
3177	# we must not ever block the main coroutine	3749	# we must not ever block the main coroutine
3178	local $Coro::idle = sub {	3750	$Coro::idle = sub {
3179	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3751	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3180	(async {	3752	(async {
3181	Event::one_event;	3753	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3754	EV::loop EV::LOOP_ONESHOT;
3182	})->prio (Coro::PRIO_MAX);	3755	})->prio (Coro::PRIO_MAX);
3183	};	3756	};
3184		3757
		3758	evthread_start IO::AIO::poll_fileno;
		3759
		3760	cf::sync_job {
		3761	cf::incloader::init ();
		3762
		3763	cf::init_anim;
		3764	cf::init_attackmess;
		3765	cf::init_dynamic;
		3766
		3767	cf::load_settings;
		3768
		3769	reload_resources;
3185	reload_config;	3770	reload_config;
3186	db_init;	3771	db_init;
		3772
		3773	cf::init_uuid;
		3774	cf::init_signals;
		3775	cf::init_skills;
		3776
		3777	cf::init_beforeplay;
		3778
		3779	atomic;
		3780
3187	load_extensions;	3781	load_extensions;
3188		3782
3189	$TICK_WATCHER->start;	3783	utime time, time, $RUNTIMEFILE;
3190	Event::loop;	3784
		3785	# no (long-running) fork's whatsoever before this point(!)
		3786	use POSIX ();
		3787	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3788
		3789	cf::_post_init 0;
		3790	};
		3791
		3792	cf::object::thawer::errors_are_fatal 0;
		3793	info "parse errors in files are no longer fatal from this point on.\n";
		3794
		3795	AE::postpone {
		3796	undef &main; # free gobs of memory :)
		3797	};
		3798
		3799	goto &main_loop;
3191	}	3800	}
3192		3801
3193	#############################################################################	3802	#############################################################################
3194	# initialisation and cleanup	3803	# initialisation and cleanup
3195		3804
3196	# install some emergency cleanup handlers	3805	# install some emergency cleanup handlers
3197	BEGIN {	3806	BEGIN {
		3807	our %SIGWATCHER = ();
3198	for my $signal (qw(INT HUP TERM)) {	3808	for my $signal (qw(INT HUP TERM)) {
3199	Event->signal (	3809	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3200	reentrant => 0,
3201	data => WF_AUTOCANCEL,
3202	signal => $signal,
3203	prio => 0,
3204	cb => sub {
3205	cf::cleanup "SIG$signal";	3810	cf::cleanup "SIG$signal";
3206	},
3207	);	3811	};
3208	}	3812	}
3209	}	3813	}
3210		3814
3211	sub write_runtime {	3815	sub write_runtime_sync {
3212	my $runtime = "$LOCALDIR/runtime";	3816	my $t0 = AE::time;
3213		3817
3214	# first touch the runtime file to show we are still running:	3818	# first touch the runtime file to show we are still running:
3215	# the fsync below can take a very very long time.	3819	# the fsync below can take a very very long time.
3216		3820
3217	IO::AIO::aio_utime $runtime, undef, undef;	3821	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3218		3822
3219	my $guard = cf::lock_acquire "write_runtime";	3823	my $guard = cf::lock_acquire "write_runtime";
3220		3824
3221	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3825	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3222	or return;	3826	or return;
3223		3827
3224	my $value = $cf::RUNTIME + 90 + 10;	3828	my $value = $cf::RUNTIME + 90 + 10;
3225	# 10 is the runtime save interval, for a monotonic clock	3829	# 10 is the runtime save interval, for a monotonic clock
3226	# 60 allows for the watchdog to kill the server.	3830	# 60 allows for the watchdog to kill the server.
…		…
3236	aio_utime $fh, undef, undef;	3840	aio_utime $fh, undef, undef;
3237		3841
3238	close $fh	3842	close $fh
3239	or return;	3843	or return;
3240		3844
3241	aio_rename "$runtime~", $runtime	3845	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3242	and return;	3846	and return;
3243		3847
3244	warn "runtime file written.\n";	3848	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3245		3849
3246	1	3850	1
		3851	}
		3852
		3853	our $uuid_lock;
		3854	our $uuid_skip;
		3855
		3856	sub write_uuid_sync($) {
		3857	$uuid_skip ||= $_[0];
		3858
		3859	return if $uuid_lock;
		3860	local $uuid_lock = 1;
		3861
		3862	my $uuid = "$LOCALDIR/uuid";
		3863
		3864	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3865	or return;
		3866
		3867	my $value = uuid_seq uuid_cur;
		3868
		3869	unless ($value) {
		3870	info "cowardly refusing to write zero uuid value!\n";
		3871	return;
		3872	}
		3873
		3874	my $value = uuid_str $value + $uuid_skip;
		3875	$uuid_skip = 0;
		3876
		3877	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3878	and return;
		3879
		3880	# always fsync - this file is important
		3881	aio_fsync $fh
		3882	and return;
		3883
		3884	close $fh
		3885	or return;
		3886
		3887	aio_rename "$uuid~", $uuid
		3888	and return;
		3889
		3890	trace "uuid file written ($value).\n";
		3891
		3892	1
		3893
		3894	}
		3895
		3896	sub write_uuid($$) {
		3897	my ($skip, $sync) = @_;
		3898
		3899	$sync ? write_uuid_sync $skip
		3900	: async { write_uuid_sync $skip };
3247	}	3901	}
3248		3902
3249	sub emergency_save() {	3903	sub emergency_save() {
3250	my $freeze_guard = cf::freeze_mainloop;	3904	my $freeze_guard = cf::freeze_mainloop;
3251		3905
3252	warn "enter emergency perl save\n";	3906	info "emergency_perl_save: enter\n";
		3907
		3908	# this is a trade-off: we want to be very quick here, so
		3909	# save all maps without fsync, and later call a global sync
		3910	# (which in turn might be very very slow)
		3911	local $USE_FSYNC = 0;
3253		3912
3254	cf::sync_job {	3913	cf::sync_job {
		3914	cf::write_runtime_sync; # external watchdog should not bark
		3915
3255	# use a peculiar iteration method to avoid tripping on perl	3916	# use a peculiar iteration method to avoid tripping on perl
3256	# refcount bugs in for. also avoids problems with players	3917	# refcount bugs in for. also avoids problems with players
3257	# and maps saved/destroyed asynchronously.	3918	# and maps saved/destroyed asynchronously.
3258	warn "begin emergency player save\n";	3919	info "emergency_perl_save: begin player save\n";
3259	for my $login (keys %cf::PLAYER) {	3920	for my $login (keys %cf::PLAYER) {
3260	my $pl = $cf::PLAYER{$login} or next;	3921	my $pl = $cf::PLAYER{$login} or next;
3261	$pl->valid or next;	3922	$pl->valid or next;
		3923	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3262	$pl->save;	3924	$pl->save;
3263	}	3925	}
3264	warn "end emergency player save\n";	3926	info "emergency_perl_save: end player save\n";
3265		3927
3266	warn "begin emergency map save\n";	3928	cf::write_runtime_sync; # external watchdog should not bark
		3929
		3930	info "emergency_perl_save: begin map save\n";
3267	for my $path (keys %cf::MAP) {	3931	for my $path (keys %cf::MAP) {
3268	my $map = $cf::MAP{$path} or next;	3932	my $map = $cf::MAP{$path} or next;
3269	$map->valid or next;	3933	$map->valid or next;
3270	$map->save;	3934	$map->save;
3271	}	3935	}
3272	warn "end emergency map save\n";	3936	info "emergency_perl_save: end map save\n";
3273		3937
3274	warn "begin emergency database checkpoint\n";	3938	cf::write_runtime_sync; # external watchdog should not bark
		3939
		3940	info "emergency_perl_save: begin database checkpoint\n";
3275	BDB::db_env_txn_checkpoint $DB_ENV;	3941	BDB::db_env_txn_checkpoint $DB_ENV;
3276	warn "end emergency database checkpoint\n";	3942	info "emergency_perl_save: end database checkpoint\n";
		3943
		3944	info "emergency_perl_save: begin write uuid\n";
		3945	write_uuid_sync 1;
		3946	info "emergency_perl_save: end write uuid\n";
		3947
		3948	cf::write_runtime_sync; # external watchdog should not bark
		3949
		3950	trace "emergency_perl_save: syncing database to disk";
		3951	BDB::db_env_txn_checkpoint $DB_ENV;
		3952
		3953	info "emergency_perl_save: starting sync\n";
		3954	IO::AIO::aio_sync sub {
		3955	info "emergency_perl_save: finished sync\n";
		3956	};
		3957
		3958	cf::write_runtime_sync; # external watchdog should not bark
		3959
		3960	trace "emergency_perl_save: flushing outstanding aio requests";
		3961	while (IO::AIO::nreqs || BDB::nreqs) {
		3962	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3963	}
		3964
		3965	cf::write_runtime_sync; # external watchdog should not bark
3277	};	3966	};
3278		3967
3279	warn "leave emergency perl save\n";	3968	info "emergency_perl_save: leave\n";
3280	}	3969	}
3281		3970
3282	sub post_cleanup {	3971	sub post_cleanup {
3283	my ($make_core) = @_;	3972	my ($make_core) = @_;
3284		3973
		3974	IO::AIO::flush;
		3975
3285	warn Carp::longmess "post_cleanup backtrace"	3976	error Carp::longmess "post_cleanup backtrace"
3286	if $make_core;	3977	if $make_core;
		3978
		3979	my $fh = pidfile;
		3980	unlink $PIDFILE if <$fh> == $$;
		3981	}
		3982
		3983	# a safer delete_package, copied from Symbol
		3984	sub clear_package($) {
		3985	my $pkg = shift;
		3986
		3987	# expand to full symbol table name if needed
		3988	unless ($pkg =~ /^main::.*::$/) {
		3989	$pkg = "main$pkg" if $pkg =~ /^::/;
		3990	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3991	$pkg .= '::' unless $pkg =~ /::$/;
		3992	}
		3993
		3994	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3995	my $stem_symtab = *{$stem}{HASH};
		3996
		3997	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3998	or return;
		3999
		4000	# clear all symbols
		4001	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4002	for my $name (keys %$leaf_symtab) {
		4003	_gv_clear *{"$pkg$name"};
		4004	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4005	}
3287	}	4006	}
3288		4007
3289	sub do_reload_perl() {	4008	sub do_reload_perl() {
3290	# can/must only be called in main	4009	# can/must only be called in main
3291	if ($Coro::current != $Coro::main) {	4010	unless (in_main) {
3292	warn "can only reload from main coroutine";	4011	error "can only reload from main coroutine";
3293	return;	4012	return;
3294	}	4013	}
3295		4014
3296	warn "reloading...";	4015	return if $RELOAD++;
3297		4016
3298	warn "entering sync_job";	4017	my $t1 = AE::time;
3299		4018
		4019	while ($RELOAD) {
		4020	cf::get_slot 0.1, -1, "reload_perl";
		4021	info "perl_reload: reloading...";
		4022
		4023	trace "perl_reload: entering sync_job";
		4024
3300	cf::sync_job {	4025	cf::sync_job {
3301	cf::write_runtime; # external watchdog should not bark
3302	cf::emergency_save;	4026	#cf::emergency_save;
3303	cf::write_runtime; # external watchdog should not bark
3304		4027
3305	warn "syncing database to disk";
3306	BDB::db_env_txn_checkpoint $DB_ENV;
3307
3308	# if anything goes wrong in here, we should simply crash as we already saved
3309
3310	warn "cancelling all WF_AUTOCANCEL watchers";
3311	for (Event::all_watchers) {
3312	$_->cancel if $_->data & WF_AUTOCANCEL;
3313	}
3314
3315	warn "flushing outstanding aio requests";
3316	for (;;) {
3317	BDB::flush;
3318	IO::AIO::flush;
3319	Coro::cede;
3320	last unless IO::AIO::nreqs || BDB::nreqs;
3321	warn "iterate...";
3322	}
3323
3324	++$RELOAD;
3325
3326	warn "cancelling all extension coros";	4028	trace "perl_reload: cancelling all extension coros";
3327	$_->cancel for values %EXT_CORO;	4029	$_->cancel for values %EXT_CORO;
3328	%EXT_CORO = ();	4030	%EXT_CORO = ();
3329		4031
3330	warn "removing commands";	4032	trace "perl_reload: removing commands";
3331	%COMMAND = ();	4033	%COMMAND = ();
3332		4034
3333	warn "removing ext/exti commands";	4035	trace "perl_reload: removing ext/exti commands";
3334	%EXTCMD = ();	4036	%EXTCMD = ();
3335	%EXTICMD = ();	4037	%EXTICMD = ();
3336		4038
3337	warn "unloading/nuking all extensions";	4039	trace "perl_reload: unloading/nuking all extensions";
3338	for my $pkg (@EXTS) {	4040	for my $pkg (@EXTS) {
3339	warn "... unloading $pkg";	4041	trace "... unloading $pkg";
3340		4042
3341	if (my $cb = $pkg->can ("unload")) {	4043	if (my $cb = $pkg->can ("unload")) {
3342	eval {	4044	eval {
3343	$cb->($pkg);	4045	$cb->($pkg);
3344	1	4046	1
3345	} or warn "$pkg unloaded, but with errors: $@";	4047	} or error "$pkg unloaded, but with errors: $@";
		4048	}
		4049
		4050	trace "... clearing $pkg";
		4051	clear_package $pkg;
3346	}	4052	}
3347		4053
3348	warn "... nuking $pkg";
3349	Symbol::delete_package $pkg;
3350	}
3351
3352	warn "unloading all perl modules loaded from $LIBDIR";	4054	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3353	while (my ($k, $v) = each %INC) {	4055	while (my ($k, $v) = each %INC) {
3354	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4056	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3355		4057
3356	warn "... unloading $k";	4058	trace "... unloading $k";
3357	delete $INC{$k};	4059	delete $INC{$k};
3358		4060
3359	$k =~ s/\.pm$//;	4061	$k =~ s/\.pm$//;
3360	$k =~ s/\//::/g;	4062	$k =~ s/\//::/g;
3361		4063
3362	if (my $cb = $k->can ("unload_module")) {	4064	if (my $cb = $k->can ("unload_module")) {
3363	$cb->();	4065	$cb->();
		4066	}
		4067
		4068	clear_package $k;
3364	}	4069	}
3365		4070
3366	Symbol::delete_package $k;
3367	}
3368
3369	warn "getting rid of safe::, as good as possible";	4071	trace "perl_reload: getting rid of safe::, as good as possible";
3370	Symbol::delete_package "safe::$_"	4072	clear_package "safe::$_"
3371	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4073	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3372		4074
3373	warn "unloading cf.pm \"a bit\"";	4075	trace "perl_reload: unloading cf.pm \"a bit\"";
3374	delete $INC{"cf.pm"};	4076	delete $INC{"cf.pm"};
3375	delete $INC{"cf/pod.pm"};	4077	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3376		4078
3377	# don't, removes xs symbols, too,	4079	# don't, removes xs symbols, too,
3378	# and global variables created in xs	4080	# and global variables created in xs
3379	#Symbol::delete_package __PACKAGE__;	4081	#clear_package __PACKAGE__;
3380		4082
3381	warn "unload completed, starting to reload now";	4083	info "perl_reload: unload completed, starting to reload now";
3382		4084
3383	warn "reloading cf.pm";	4085	trace "perl_reload: reloading cf.pm";
3384	require cf;	4086	require cf;
3385	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4087	cf::_connect_to_perl_1;
3386		4088
3387	warn "loading config and database again";	4089	trace "perl_reload: loading config and database again";
3388	cf::reload_config;	4090	cf::reload_config;
3389		4091
3390	warn "loading extensions";	4092	trace "perl_reload: loading extensions";
3391	cf::load_extensions;	4093	cf::load_extensions;
3392		4094
		4095	if ($REATTACH_ON_RELOAD) {
3393	warn "reattaching attachments to objects/players";	4096	trace "perl_reload: reattaching attachments to objects/players";
3394	_global_reattach; # objects, sockets	4097	_global_reattach; # objects, sockets
3395	warn "reattaching attachments to maps";	4098	trace "perl_reload: reattaching attachments to maps";
3396	reattach $_ for values %MAP;	4099	reattach $_ for values %MAP;
3397	warn "reattaching attachments to players";	4100	trace "perl_reload: reattaching attachments to players";
3398	reattach $_ for values %PLAYER;	4101	reattach $_ for values %PLAYER;
		4102	}
3399		4103
3400	warn "leaving sync_job";	4104	cf::_post_init 1;
3401		4105
		4106	trace "perl_reload: leaving sync_job";
		4107
3402	1	4108	1
3403	} or do {	4109	} or do {
3404	warn $@;	4110	error $@;
3405	warn "error while reloading, exiting.";	4111	cf::cleanup "perl_reload: error, exiting.";
3406	exit 1;	4112	};
		4113
		4114	--$RELOAD;
3407	};	4115	}
3408		4116
3409	warn "reloaded";	4117	$t1 = AE::time - $t1;
		4118	info "perl_reload: completed in ${t1}s\n";
3410	};	4119	};
3411		4120
3412	our $RELOAD_WATCHER; # used only during reload	4121	our $RELOAD_WATCHER; # used only during reload
3413		4122
3414	sub reload_perl() {	4123	sub reload_perl() {
3415	# doing reload synchronously and two reloads happen back-to-back,	4124	# doing reload synchronously and two reloads happen back-to-back,
3416	# coro crashes during coro_state_free->destroy here.	4125	# coro crashes during coro_state_free->destroy here.
3417		4126
3418	$RELOAD_WATCHER ||= Event->timer (	4127	$RELOAD_WATCHER ||= cf::async {
3419	reentrant => 0,	4128	Coro::AIO::aio_wait cache_extensions;
3420	after => 0,	4129
3421	data => WF_AUTOCANCEL,	4130	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3422	cb => sub {
3423	do_reload_perl;	4131	do_reload_perl;
3424	undef $RELOAD_WATCHER;	4132	undef $RELOAD_WATCHER;
3425	},	4133	};
3426	);	4134	};
3427	}	4135	}
3428		4136
3429	register_command "reload" => sub {	4137	register_command "reload" => sub {
3430	my ($who, $arg) = @_;	4138	my ($who, $arg) = @_;
3431		4139
3432	if ($who->flag (FLAG_WIZ)) {	4140	if ($who->flag (FLAG_WIZ)) {
3433	$who->message ("reloading server.");	4141	$who->message ("reloading server.");
		4142	async {
		4143	$Coro::current->{desc} = "perl_reload";
3434	async { reload_perl };	4144	reload_perl;
		4145	};
3435	}	4146	}
3436	};	4147	};
3437		4148
3438	unshift @INC, $LIBDIR;	4149	#############################################################################
3439		4150
3440	my $bug_warning = 0;	4151	my $bug_warning = 0;
3441		4152
3442	our @WAIT_FOR_TICK;
3443	our @WAIT_FOR_TICK_BEGIN;
3444
3445	sub wait_for_tick {	4153	sub wait_for_tick() {
3446	return unless $TICK_WATCHER->is_active;	4154	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3447	return if $Coro::current == $Coro::main;
3448		4155
3449	my $signal = new Coro::Signal;	4156	$WAIT_FOR_TICK->wait;
3450	push @WAIT_FOR_TICK, $signal;
3451	$signal->wait;
3452	}	4157	}
3453		4158
3454	sub wait_for_tick_begin {	4159	sub wait_for_tick_begin() {
3455	return unless $TICK_WATCHER->is_active;	4160	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3456	return if $Coro::current == $Coro::main;
3457		4161
3458	my $signal = new Coro::Signal;	4162	my $signal = new Coro::Signal;
3459	push @WAIT_FOR_TICK_BEGIN, $signal;	4163	push @WAIT_FOR_TICK_BEGIN, $signal;
3460	$signal->wait;	4164	$signal->wait;
3461	}	4165	}
3462		4166
3463	our $stat_fh;	4167	sub tick {
3464	sysopen $stat_fh, "/tmp/cfstats", Fcntl::O_APPEND | Fcntl::O_CREAT | Fcntl::O_WRONLY, 0600;#d#
3465
3466	$TICK_WATCHER = Event->timer (
3467	reentrant => 0,
3468	parked => 1,
3469	prio => 0,
3470	at => $NEXT_TICK || $TICK,
3471	data => WF_AUTOCANCEL,
3472	cb => sub {
3473	if ($Coro::current != $Coro::main) {	4168	if ($Coro::current != $Coro::main) {
3474	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4169	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3475	unless ++$bug_warning > 10;	4170	unless ++$bug_warning > 10;
3476	return;	4171	return;
3477	}	4172	}
3478		4173
3479	my @pl = cf::player::list; my $stats = sprintf "%.2f %d %d %d", $RUNTIME, (scalar @pl), cf::object::actives_size, cf::object::objects_size; #d#	4174	cf::one_tick; # one server iteration
3480		4175
3481	$NOW = $tick_start = Event::time;	4176	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3482		4177
3483	cf::server_tick; # one server iteration
3484
3485	$RUNTIME += $TICK;
3486	$NEXT_TICK += $TICK;
3487
3488	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4178	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3489	$NEXT_RUNTIME_WRITE = $NOW + 10;	4179	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3490	Coro::async_pool {	4180	Coro::async_pool {
		4181	$Coro::current->{desc} = "runtime saver";
3491	write_runtime	4182	write_runtime_sync
3492	or warn "ERROR: unable to write runtime file: $!";	4183	or error "ERROR: unable to write runtime file: $!";
3493	};
3494	}	4184	};
		4185	}
3495		4186
3496	# my $AFTER = Event::time;
3497	# warn $AFTER - $NOW;#d#
3498
3499	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4187	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3500	$sig->send;	4188	$sig->send;
3501	}	4189	}
3502	while (my $sig = shift @WAIT_FOR_TICK) {	4190	$WAIT_FOR_TICK->broadcast;
3503	$sig->send;
3504	}
3505		4191
3506	$NOW = Event::time;	4192	$LOAD = ($NOW - $TICK_START) / $TICK;
3507
3508	# if we are delayed by four ticks or more, skip them all
3509	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3510
3511	$TICK_WATCHER->at ($NEXT_TICK);
3512	$TICK_WATCHER->start;
3513
3514	$LOAD = ($NOW - $tick_start) / $TICK;
3515	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4193	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3516		4194
3517	_post_tick;	4195	if (0) {
3518		4196	if ($NEXT_TICK) {
3519	# gather some statistics#d#	4197	my $jitter = $TICK_START - $NEXT_TICK;
3520	$stats .= sprintf " %d\n", 10000 * ($NOW - $tick_start);#d#	4198	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3521	IO::AIO::aio_write $stat_fh, undef, undef, $stats, 0;#d#	4199	debug "jitter $JITTER\n";#d#
		4200	}
3522	},	4201	}
3523	);	4202	}
3524		4203
3525	{	4204	{
		4205	# configure BDB
		4206
3526	BDB::min_parallel 8;	4207	BDB::min_parallel 16;
3527	BDB::max_poll_time $TICK * 0.1;	4208	BDB::max_poll_reqs $TICK * 0.1;
3528	$BDB_POLL_WATCHER = Event->io (	4209	#$AnyEvent::BDB::WATCHER->priority (1);
3529	reentrant => 0,
3530	fd => BDB::poll_fileno,
3531	poll => 'r',
3532	prio => 0,
3533	data => WF_AUTOCANCEL,
3534	cb => \&BDB::poll_cb,
3535	);
3536
3537	BDB::set_sync_prepare {
3538	my $status;
3539	my $current = $Coro::current;
3540	(
3541	sub {
3542	$status = $!;
3543	$current->ready; undef $current;
3544	},
3545	sub {
3546	Coro::schedule while defined $current;
3547	$! = $status;
3548	},
3549	)
3550	};
3551		4210
3552	unless ($DB_ENV) {	4211	unless ($DB_ENV) {
3553	$DB_ENV = BDB::db_env_create;	4212	$DB_ENV = BDB::db_env_create;
		4213	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4214	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4215	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4216	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4217	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3554		4218
3555	cf::sync_job {	4219	cf::sync_job {
3556	eval {	4220	eval {
3557	BDB::db_env_open	4221	BDB::db_env_open
3558	$DB_ENV,	4222	$DB_ENV,
…		…
3560	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4224	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3561	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4225	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3562	0666;	4226	0666;
3563		4227
3564	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4228	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3565
3566	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3567	| BDB::LOG_AUTOREMOVE, 1);
3568	$DB_ENV->set_lk_detect;
3569	};	4229	};
3570		4230
3571	cf::cleanup "db_env_open(db): $@" if $@;	4231	cf::cleanup "db_env_open(db): $@" if $@;
3572	};	4232	};
3573	}	4233	}
3574		4234
3575	$BDB_CHECKPOINT_WATCHER = Event->timer (	4235	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3576	after => 11,	4236	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3577	interval => 60,	4237	};
3578	hard => 1,	4238	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3579	prio => 0,
3580	data => WF_AUTOCANCEL,
3581	cb => sub {
3582	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4239	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3583	},
3584	);	4240	};
3585	$BDB_TRICKLE_WATCHER = Event->timer (	4241	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3586	after => 5,
3587	interval => 10,
3588	hard => 1,
3589	prio => 0,
3590	data => WF_AUTOCANCEL,
3591	cb => sub {
3592	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4242	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3593	},
3594	);	4243	};
3595	}	4244	}
3596		4245
3597	{	4246	{
		4247	# configure IO::AIO
		4248
3598	IO::AIO::min_parallel 8;	4249	IO::AIO::min_parallel 8;
3599
3600	undef $Coro::AIO::WATCHER;
3601	IO::AIO::max_poll_time $TICK * 0.1;	4250	IO::AIO::max_poll_time $TICK * 0.1;
3602	$AIO_POLL_WATCHER = Event->io (	4251	undef $AnyEvent::AIO::WATCHER;
3603	reentrant => 0,
3604	data => WF_AUTOCANCEL,
3605	fd => IO::AIO::poll_fileno,
3606	poll => 'r',
3607	prio => 6,
3608	cb => \&IO::AIO::poll_cb,
3609	);
3610	}	4252	}
3611		4253
3612	my $_log_backtrace;	4254	our $_log_backtrace;
		4255	our $_log_backtrace_last;
3613		4256
3614	sub _log_backtrace {	4257	sub _log_backtrace {
3615	my ($msg, @addr) = @_;	4258	my ($msg, @addr) = @_;
3616		4259
3617	$msg =~ s/\n//;	4260	$msg =~ s/\n$//;
3618		4261
		4262	if ($_log_backtrace_last eq $msg) {
		4263	LOG llevInfo, "[ABT] $msg\n";
		4264	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3619	# limit the # of concurrent backtraces	4265	# limit the # of concurrent backtraces
3620	if ($_log_backtrace < 2) {	4266	} elsif ($_log_backtrace < 2) {
		4267	$_log_backtrace_last = $msg;
3621	++$_log_backtrace;	4268	++$_log_backtrace;
		4269	my $perl_bt = Carp::longmess $msg;
3622	async {	4270	async {
		4271	$Coro::current->{desc} = "abt $msg";
		4272
3623	my @bt = fork_call {	4273	my @bt = fork_call {
3624	@addr = map { sprintf "%x", $_ } @addr;	4274	@addr = map { sprintf "%x", $_ } @addr;
3625	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4275	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3626	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4276	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3627	or die "addr2line: $!";	4277	or die "addr2line: $!";
…		…
3635	}	4285	}
3636		4286
3637	@funcs	4287	@funcs
3638	};	4288	};
3639		4289
3640	LOG llevInfo, "[ABT] $msg\n";	4290	LOG llevInfo, "[ABT] $perl_bt\n";
		4291	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3641	LOG llevInfo, "[ABT] $_\n" for @bt;	4292	LOG llevInfo, "[ABT] $_\n" for @bt;
3642	--$_log_backtrace;	4293	--$_log_backtrace;
3643	};	4294	};
3644	} else {	4295	} else {
3645	LOG llevInfo, "[ABT] $msg\n";	4296	LOG llevInfo, "[ABT] $msg\n";
3646	LOG llevInfo, "[ABT] [suppressed]\n";	4297	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3647	}	4298	}
3648	}	4299	}
3649		4300
3650	# load additional modules	4301	# load additional modules
3651	use cf::pod;	4302	require "cf/$_.pm" for @EXTRA_MODULES;
		4303	cf::_connect_to_perl_2;
3652		4304
3653	END { cf::emergency_save }	4305	END { cf::emergency_save }
3654		4306
3655	1	4307	1
3656		4308

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