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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.372 by root, Sat Sep 15 13:25:33 2007 UTC vs.
Revision 1.585 by root, Tue Oct 30 20:18:00 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.64 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.32 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		75
43	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
44		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		78
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
54		85
55	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
65	our $DATADIR = datadir;	99	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
69	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	#our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
75		120
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	123	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		125
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	129	our $DB_ENV;
89		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
90	our %CFG;	133	our %CFG;
		134	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
91		135
92	our $UPTIME; $UPTIME ||= time;	136	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	137	our $RUNTIME = 0;
		138	our $SERVER_TICK = 0;
		139	our $NOW;
94		140
95	our (%PLAYER, %PLAYER_LOADING); # all users	141	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	142	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	143	our $LINK_MAP; # the special {link} map, which is always available
98		144
99	# used to convert map paths into valid unix filenames by replacing / by ∕	145	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	146	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		147
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	148	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	149	our $LOADAVG; # same thing, but with alpha-smoothing
		150	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	151	our $TICK_START; # for load detecting purposes
		152
		153	our @POST_INIT;
		154
		155	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		156	our $REALLY_UNLOOP; # never set to true, please :)
		157
		158	our $WAIT_FOR_TICK = new Coro::Signal;
		159	our @WAIT_FOR_TICK_BEGIN;
105		160
106	binmode STDOUT;	161	binmode STDOUT;
107	binmode STDERR;	162	binmode STDERR;
108		163
109	# read virtual server time, if available	164	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	165	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	166	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	167	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	168	$RUNTIME = <$fh> + 0.;
114	}	169	}
		170
		171	eval "sub TICK() { $TICK } 1" or die;
115		172
116	mkdir $_	173	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	174	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		175
119	our $EMERGENCY_POSITION;	176	our $EMERGENCY_POSITION;
120		177
121	sub cf::map::normalise;	178	sub cf::map::normalise;
122		179
		180	sub in_main() {
		181	$Coro::current == $Coro::main
		182	}
		183
123	#############################################################################	184	#############################################################################
124		185
		186	%REFLECT = ();
		187	for (@REFLECT) {
		188	my $reflect = JSON::XS::decode_json $_;
		189	$REFLECT{$reflect->{class}} = $reflect;
		190	}
		191
		192	# this is decidedly evil
		193	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		194
		195	#############################################################################
		196
125	=head2 GLOBAL VARIABLES	197	=head2 GLOBAL VARIABLES
126		198
127	=over 4	199	=over 4
128		200
129	=item $cf::UPTIME	201	=item $cf::UPTIME
130		202
131	The timestamp of the server start (so not actually an uptime).	203	The timestamp of the server start (so not actually an "uptime").
		204
		205	=item $cf::SERVER_TICK
		206
		207	An unsigned integer that starts at zero when the server is started and is
		208	incremented on every tick.
		209
		210	=item $cf::NOW
		211
		212	The (real) time of the last (current) server tick - updated before and
		213	after tick processing, so this is useful only as a rough "what time is it
		214	now" estimate.
		215
		216	=item $cf::TICK
		217
		218	The interval between each server tick, in seconds.
132		219
133	=item $cf::RUNTIME	220	=item $cf::RUNTIME
134		221
135	The time this server has run, starts at 0 and is increased by $cf::TICK on	222	The time this server has run, starts at 0 and is increased by $cf::TICK on
136	every server tick.	223	every server tick.
…		…
142	Various directories - "/etc", read-only install directory, perl-library	229	Various directories - "/etc", read-only install directory, perl-library
143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	230	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
144	unique-items directory, player file directory, random maps directory and	231	unique-items directory, player file directory, random maps directory and
145	database environment.	232	database environment.
146		233
147	=item $cf::NOW
148
149	The time of the last (current) server tick.
150
151	=item $cf::TICK
152
153	The interval between server ticks, in seconds.
154
155	=item $cf::LOADAVG	234	=item $cf::LOADAVG
156		235
157	The current CPU load on the server (alpha-smoothed), as a value between 0	236	The current CPU load on the server (alpha-smoothed), as a value between 0
158	(none) and 1 (overloaded), indicating how much time is spent on processing	237	(none) and 1 (overloaded), indicating how much time is spent on processing
159	objects per tick. Healthy values are < 0.5.	238	objects per tick. Healthy values are < 0.5.
…		…
162		241
163	The raw value load value from the last tick.	242	The raw value load value from the last tick.
164		243
165	=item %cf::CFG	244	=item %cf::CFG
166		245
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	246	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	247	from wherever your confdir points to.
169		248
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	249	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		250
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	251	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
173	returns directly I<after> the tick processing (and consequently, can only wake one process	252	returns directly I<after> the tick processing (and consequently, can only wake one thread
174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	253	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
175		254
		255	Note that cf::Wait_for_tick will immediately return when the server is not
		256	ticking, making it suitable for small pauses in threads that need to run
		257	when the server is paused. If that is not applicable (i.e. you I<really>
		258	want to wait, use C<$cf::WAIT_FOR_TICK>).
		259
		260	=item $cf::WAIT_FOR_TICK
		261
		262	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		263	variable contains a L<Coro::Signal> that is broadcats after every server
		264	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		265	next server tick.
		266
		267	=cut
		268
		269	sub wait_for_tick();
		270	sub wait_for_tick_begin();
		271
176	=item @cf::INVOKE_RESULTS	272	=item @cf::INVOKE_RESULTS
177		273
178	This array contains the results of the last C<invoke ()> call. When	274	This array contains the results of the last C<invoke ()> call. When
179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	275	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
180	that call.	276	that call.
181		277
		278	=item %cf::REFLECT
		279
		280	Contains, for each (C++) class name, a hash reference with information
		281	about object members (methods, scalars, arrays and flags) and other
		282	metadata, which is useful for introspection.
		283
182	=back	284	=back
183		285
184	=cut	286	=cut
185		287
186	BEGIN {	288	sub error(@) { LOG llevError, join "", @_ }
187	*CORE::GLOBAL::warn = sub {	289	sub warn (@) { LOG llevWarn , join "", @_ }
		290	sub info (@) { LOG llevInfo , join "", @_ }
		291	sub debug(@) { LOG llevDebug, join "", @_ }
		292	sub trace(@) { LOG llevTrace, join "", @_ }
		293
		294	$Coro::State::WARNHOOK = sub {
188	my $msg = join "", @_;	295	my $msg = join "", @_;
189		296
190	$msg .= "\n"	297	$msg .= "\n"
191	unless $msg =~ /\n$/;	298	unless $msg =~ /\n$/;
192		299
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	300	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		301
195	LOG llevError, $msg;	302	LOG llevWarn, $msg;
196	};	303	};
197	}	304
		305	$Coro::State::DIEHOOK = sub {
		306	return unless $^S eq 0; # "eq", not "=="
		307
		308	error Carp::longmess $_[0];
		309
		310	if (in_main) {#d#
		311	error "DIEHOOK called in main context, Coro bug?\n";#d#
		312	return;#d#
		313	}#d#
		314
		315	# kill coroutine otherwise
		316	Coro::terminate
		317	};
198		318
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	319	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	320	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	321	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	322	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	329	for my $pkg (qw(
210	cf::global cf::attachable	330	cf::global cf::attachable
211	cf::object cf::object::player	331	cf::object cf::object::player
212	cf::client cf::player	332	cf::client cf::player
213	cf::arch cf::living	333	cf::arch cf::living
		334	cf::map cf::mapspace
214	cf::map cf::party cf::region	335	cf::party cf::region
215	)) {	336	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	337	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	338	}
219		339
220	$Event::DIED = sub {	340	$EV::DIED = sub {
221	warn "error in event callback: @_";	341	Carp::cluck "error in event callback: @_";
222	};	342	};
		343
		344	#############################################################################
		345
		346	sub fork_call(&@);
		347	sub get_slot($;$$);
223		348
224	#############################################################################	349	#############################################################################
225		350
226	=head2 UTILITY FUNCTIONS	351	=head2 UTILITY FUNCTIONS
227		352
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	373	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	374	$d
250	} || "[unable to dump $_[0]: '$@']";	375	} || "[unable to dump $_[0]: '$@']";
251	}	376	}
252		377
		378	=item $scalar = cf::load_file $path
		379
		380	Loads the given file from path and returns its contents. Croaks on error
		381	and can block.
		382
		383	=cut
		384
		385	sub load_file($) {
		386	0 <= aio_load $_[0], my $data
		387	or Carp::croak "$_[0]: $!";
		388
		389	$data
		390	}
		391
		392	=item $success = cf::replace_file $path, $data, $sync
		393
		394	Atomically replaces the file at the given $path with new $data, and
		395	optionally $sync the data to disk before replacing the file.
		396
		397	=cut
		398
		399	sub replace_file($$;$) {
		400	my ($path, $data, $sync) = @_;
		401
		402	my $lock = cf::lock_acquire ("replace_file:$path");
		403
		404	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		405	or return;
		406
		407	$data = $data->() if ref $data;
		408
		409	length $data == aio_write $fh, 0, (length $data), $data, 0
		410	or return;
		411
		412	!$sync
		413	or !aio_fsync $fh
		414	or return;
		415
		416	aio_close $fh
		417	and return;
		418
		419	aio_rename "$path~", $path
		420	and return;
		421
		422	if ($sync) {
		423	$path =~ s%/[^/]*$%%;
		424	aio_pathsync $path;
		425	}
		426
		427	1
		428	}
		429
253	=item $ref = cf::from_json $json	430	=item $ref = cf::decode_json $json
254		431
255	Converts a JSON string into the corresponding perl data structure.	432	Converts a JSON string into the corresponding perl data structure.
256		433
257	=item $json = cf::to_json $ref	434	=item $json = cf::encode_json $ref
258		435
259	Converts a perl data structure into its JSON representation.	436	Converts a perl data structure into its JSON representation.
260		437
261	=cut	438	=cut
262		439
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	440	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		441
265	sub to_json ($) { $json_coder->encode ($_[0]) }	442	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	443	sub decode_json($) { $json_coder->decode ($_[0]) }
		444
		445	=item $ref = cf::decode_storable $scalar
		446
		447	Same as Coro::Storable::thaw, so blocks.
		448
		449	=cut
		450
		451	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		452
		453	=item $ref = cf::decode_yaml $scalar
		454
		455	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		456
		457	=cut
		458
		459	sub decode_yaml($) {
		460	fork_call { YAML::XS::Load $_[0] } @_
		461	}
		462
		463	=item $scalar = cf::unlzf $scalar
		464
		465	Same as Compress::LZF::compress, but takes server ticks into account, so
		466	blocks.
		467
		468	=cut
		469
		470	sub unlzf($) {
		471	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		472	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		473	Compress::LZF::decompress $_[0]
		474	}
		475
		476	=item cf::post_init { BLOCK }
		477
		478	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		479	but I<before> the server starts ticking again.
		480
		481	The codeblock will have a single boolean argument to indicate whether this
		482	is a reload or not.
		483
		484	=cut
		485
		486	sub post_init(&) {
		487	push @POST_INIT, shift;
		488	}
		489
		490	sub _post_init {
		491	trace "running post_init jobs";
		492
		493	# run them in parallel...
		494
		495	my @join;
		496
		497	while () {
		498	push @join, map &Coro::async ($_, 0), @POST_INIT;
		499	@POST_INIT = ();
		500
		501	@join or last;
		502
		503	(pop @join)->join;
		504	}
		505	}
267		506
268	=item cf::lock_wait $string	507	=item cf::lock_wait $string
269		508
270	Wait until the given lock is available. See cf::lock_acquire.	509	Wait until the given lock is available. See cf::lock_acquire.
271		510
272	=item my $lock = cf::lock_acquire $string	511	=item my $lock = cf::lock_acquire $string
273		512
274	Wait until the given lock is available and then acquires it and returns	513	Wait until the given lock is available and then acquires it and returns
275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	514	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
276	for example when the coroutine gets canceled), the lock is automatically	515	for example when the coroutine gets canceled), the lock is automatically
277	returned.	516	returned.
278		517
279	Locks are *not* recursive, locking from the same coro twice results in a	518	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	519	deadlocked coro.
…		…
286		525
287	Return true if the lock is currently active, i.e. somebody has locked it.	526	Return true if the lock is currently active, i.e. somebody has locked it.
288		527
289	=cut	528	=cut
290		529
291	our %LOCK;	530	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		531
294	sub lock_wait($) {	532	sub lock_wait($) {
295	my ($key) = @_;	533	$LOCKS->wait ($_[0]);
296
297	if ($LOCKER{$key} == $Coro::current) {#d#
298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299	return;#d#
300	}#d#
301
302	# wait for lock, if any
303	while ($LOCK{$key}) {
304	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	534	}
308		535
309	sub lock_acquire($) {	536	sub lock_acquire($) {
310	my ($key) = @_;	537	$LOCKS->guard ($_[0])
311
312	# wait, to be sure we are not locked
313	lock_wait $key;
314
315	$LOCK{$key} = [];
316	$LOCKER{$key} = $Coro::current;#d#
317
318	Coro::guard {
319	delete $LOCKER{$key};#d#
320	# wake up all waiters, to be on the safe side
321	$_->ready for @{ delete $LOCK{$key} };
322	}
323	}	538	}
324		539
325	sub lock_active($) {	540	sub lock_active($) {
326	my ($key) = @_;	541	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	542	}
330		543
331	sub freeze_mainloop {	544	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	545	tick_inhibit_inc;
333		546
334	my $guard = Coro::guard {	547	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	548	}
336	};	549
337	$TICK_WATCHER->stop;	550	=item cf::periodic $interval, $cb
338	$guard	551
		552	Like EV::periodic, but randomly selects a starting point so that the actions
		553	get spread over time.
		554
		555	=cut
		556
		557	sub periodic($$) {
		558	my ($interval, $cb) = @_;
		559
		560	my $start = rand List::Util::min 180, $interval;
		561
		562	EV::periodic $start, $interval, 0, $cb
339	}	563	}
340		564
341	=item cf::get_slot $time[, $priority[, $name]]	565	=item cf::get_slot $time[, $priority[, $name]]
342		566
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	567	Allocate $time seconds of blocking CPU time at priority C<$priority>
344	This call blocks and returns only when you have at least C<$time> seconds	568	(default: 0): This call blocks and returns only when you have at least
345	of cpu time till the next tick. The slot is only valid till the next cede.	569	C<$time> seconds of cpu time till the next tick. The slot is only valid
		570	till the next cede.
		571
		572	Background jobs should use a priority les than zero, interactive jobs
		573	should use 100 or more.
346		574
347	The optional C<$name> can be used to identify the job to run. It might be	575	The optional C<$name> can be used to identify the job to run. It might be
348	used for statistical purposes and should identify the same time-class.	576	used for statistical purposes and should identify the same time-class.
349		577
350	Useful for short background jobs.	578	Useful for short background jobs.
351		579
352	=cut	580	=cut
353		581
354	our @SLOT_QUEUE;	582	our @SLOT_QUEUE;
355	our $SLOT_QUEUE;	583	our $SLOT_QUEUE;
		584	our $SLOT_DECAY = 0.9;
356		585
357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	586	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
358	$SLOT_QUEUE = Coro::async {	587	$SLOT_QUEUE = Coro::async {
		588	$Coro::current->desc ("timeslot manager");
		589
359	my $signal = new Coro::Signal;	590	my $signal = new Coro::Signal;
		591	my $busy;
360		592
361	while () {	593	while () {
362	next_job:	594	next_job:
		595
363	my $avail = cf::till_tick;	596	my $avail = cf::till_tick;
364	if ($avail > 0.01) {	597
365	for (0 .. $#SLOT_QUEUE) {	598	for (0 .. $#SLOT_QUEUE) {
366	if ($SLOT_QUEUE[$_][0] < $avail) {	599	if ($SLOT_QUEUE[$_][0] <= $avail) {
		600	$busy = 0;
367	my $job = splice @SLOT_QUEUE, $_, 1, ();	601	my $job = splice @SLOT_QUEUE, $_, 1, ();
368	$job->[2]->send;	602	$job->[2]->send;
369	Coro::cede;	603	Coro::cede;
370	goto next_job;	604	goto next_job;
371	}	605	} else {
		606	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
372	}	607	}
373	}	608	}
374		609
375	if (@SLOT_QUEUE) {	610	if (@SLOT_QUEUE) {
376	# we do not use wait_For_tick() as it returns immediately when tick is inactive	611	# we do not use wait_for_tick() as it returns immediately when tick is inactive
377	push @cf::WAIT_FOR_TICK, $signal;	612	$WAIT_FOR_TICK->wait;
378	$signal->wait;
379	} else {	613	} else {
		614	$busy = 0;
380	Coro::schedule;	615	Coro::schedule;
381	}	616	}
382	}	617	}
383	};	618	};
384		619
385	sub get_slot($;$$) {	620	sub get_slot($;$$) {
		621	return if tick_inhibit || $Coro::current == $Coro::main;
		622
386	my ($time, $pri, $name) = @_;	623	my ($time, $pri, $name) = @_;
387		624
388	$time = $TICK * .6 if $time > $TICK * .6;	625	$time = clamp $time, 0.01, $TICK * .6;
		626
389	my $sig = new Coro::Signal;	627	my $sig = new Coro::Signal;
390		628
391	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	629	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
392	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	630	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
393	$SLOT_QUEUE->ready;	631	$SLOT_QUEUE->ready;
…		…
404		642
405	BEGIN { *async = \&Coro::async_pool }	643	BEGIN { *async = \&Coro::async_pool }
406		644
407	=item cf::sync_job { BLOCK }	645	=item cf::sync_job { BLOCK }
408		646
409	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	647	The design of Deliantra requires that the main coroutine ($Coro::main)
410	is always able to handle events or runnable, as Crossfire TRT is only	648	is always able to handle events or runnable, as Deliantra is only
411	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	649	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
412	acceptable.	650	acceptable.
413		651
414	If it must be done, put the blocking parts into C<sync_job>. This will run	652	If it must be done, put the blocking parts into C<sync_job>. This will run
415	the given BLOCK in another coroutine while waiting for the result. The	653	the given BLOCK in another coroutine while waiting for the result. The
…		…
419	=cut	657	=cut
420		658
421	sub sync_job(&) {	659	sub sync_job(&) {
422	my ($job) = @_;	660	my ($job) = @_;
423		661
424	if ($Coro::current == $Coro::main) {	662	if (in_main) {
425	my $time = Event::time;	663	my $time = AE::time;
426		664
427	# this is the main coro, too bad, we have to block	665	# this is the main coro, too bad, we have to block
428	# till the operation succeeds, freezing the server :/	666	# till the operation succeeds, freezing the server :/
429		667
430	# TODO: use suspend/resume instead	668	#LOG llevError, Carp::longmess "sync job";#d#
431	# (but this is cancel-safe)	669
432	my $freeze_guard = freeze_mainloop;	670	my $freeze_guard = freeze_mainloop;
433		671
434	my $busy = 1;	672	my $busy = 1;
435	my @res;	673	my @res;
436		674
437	(async {	675	(async {
		676	$Coro::current->desc ("sync job coro");
438	@res = eval { $job->() };	677	@res = eval { $job->() };
439	warn $@ if $@;	678	error $@ if $@;
440	undef $busy;	679	undef $busy;
441	})->prio (Coro::PRIO_MAX);	680	})->prio (Coro::PRIO_MAX);
442		681
443	while ($busy) {	682	while ($busy) {
444	Coro::cede or Event::one_event;	683	if (Coro::nready) {
		684	Coro::cede_notself;
		685	} else {
		686	EV::loop EV::LOOP_ONESHOT;
445	}	687	}
		688	}
446		689
447	$time = Event::time - $time;	690	my $time = AE::time - $time;
448		691
449	LOG llevError | logBacktrace, Carp::longmess "long sync job"
450	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
451
452	$tick_start += $time; # do not account sync jobs to server load	692	$TICK_START += $time; # do not account sync jobs to server load
453		693
454	wantarray ? @res : $res[0]	694	wantarray ? @res : $res[0]
455	} else {	695	} else {
456	# we are in another coroutine, how wonderful, everything just works	696	# we are in another coroutine, how wonderful, everything just works
457		697
…		…
477	$EXT_CORO{$coro+0} = $coro;	717	$EXT_CORO{$coro+0} = $coro;
478		718
479	$coro	719	$coro
480	}	720	}
481		721
482	=item fork_call { }, $args	722	=item fork_call { }, @args
483		723
484	Executes the given code block with the given arguments in a seperate	724	Executes the given code block with the given arguments in a seperate
485	process, returning the results. Everything must be serialisable with	725	process, returning the results. Everything must be serialisable with
486	Coro::Storable. May, of course, block. Note that the executed sub may	726	Coro::Storable. May, of course, block. Note that the executed sub may
487	never block itself or use any form of Event handling.	727	never block itself or use any form of event handling.
488		728
489	=cut	729	=cut
		730
		731	sub post_fork {
		732	reset_signals;
		733	}
490		734
491	sub fork_call(&@) {	735	sub fork_call(&@) {
492	my ($cb, @args) = @_;	736	my ($cb, @args) = @_;
493		737
494	# we seemingly have to make a local copy of the whole thing,	738	# we seemingly have to make a local copy of the whole thing,
495	# otherwise perl prematurely frees the stuff :/	739	# otherwise perl prematurely frees the stuff :/
496	# TODO: investigate and fix (likely this will be rather laborious)	740	# TODO: investigate and fix (likely this will be rather laborious)
497		741
498	my @res = Coro::Util::fork_eval {	742	my @res = Coro::Util::fork_eval {
499	reset_signals;	743	cf::post_fork;
500	&$cb	744	&$cb
501	}, @args;	745	} @args;
502		746
503	wantarray ? @res : $res[-1]	747	wantarray ? @res : $res[-1]
		748	}
		749
		750	sub objinfo {
		751	(
		752	"counter value" => cf::object::object_count,
		753	"objects created" => cf::object::create_count,
		754	"objects destroyed" => cf::object::destroy_count,
		755	"freelist size" => cf::object::free_count,
		756	"allocated objects" => cf::object::objects_size,
		757	"active objects" => cf::object::actives_size,
		758	)
		759	}
		760
		761	=item $coin = coin_from_name $name
		762
		763	=cut
		764
		765	our %coin_alias = (
		766	"silver" => "silvercoin",
		767	"silvercoin" => "silvercoin",
		768	"silvercoins" => "silvercoin",
		769	"gold" => "goldcoin",
		770	"goldcoin" => "goldcoin",
		771	"goldcoins" => "goldcoin",
		772	"platinum" => "platinacoin",
		773	"platinumcoin" => "platinacoin",
		774	"platinumcoins" => "platinacoin",
		775	"platina" => "platinacoin",
		776	"platinacoin" => "platinacoin",
		777	"platinacoins" => "platinacoin",
		778	"royalty" => "royalty",
		779	"royalties" => "royalty",
		780	);
		781
		782	sub coin_from_name($) {
		783	$coin_alias{$_[0]}
		784	? cf::arch::find $coin_alias{$_[0]}
		785	: undef
504	}	786	}
505		787
506	=item $value = cf::db_get $family => $key	788	=item $value = cf::db_get $family => $key
507		789
508	Returns a single value from the environment database.	790	Returns a single value from the environment database.
…		…
518	within each server.	800	within each server.
519		801
520	=cut	802	=cut
521		803
522	sub db_table($) {	804	sub db_table($) {
		805	cf::error "db_get called from main context"
		806	if $Coro::current == $Coro::main;
		807
523	my ($name) = @_;	808	my ($name) = @_;
524	my $db = BDB::db_create $DB_ENV;	809	my $db = BDB::db_create $DB_ENV;
525		810
526	eval {	811	eval {
527	$db->set_flags (BDB::CHKSUM);	812	$db->set_flags (BDB::CHKSUM);
…		…
537	}	822	}
538		823
539	our $DB;	824	our $DB;
540		825
541	sub db_init {	826	sub db_init {
542	cf::sync_job {
543	$DB ||= db_table "db";	827	$DB ||= db_table "db";
544	};
545	}	828	}
546		829
547	sub db_get($$) {	830	sub db_get($$) {
548	my $key = "$_[0]/$_[1]";	831	my $key = "$_[0]/$_[1]";
549		832
550	cf::sync_job {	833	cf::error "db_get called from main context"
		834	if $Coro::current == $Coro::main;
		835
551	BDB::db_get $DB, undef, $key, my $data;	836	BDB::db_get $DB, undef, $key, my $data;
552		837
553	$! ? ()	838	$! ? ()
554	: $data	839	: $data
555	}
556	}	840	}
557		841
558	sub db_put($$$) {	842	sub db_put($$$) {
559	BDB::dbreq_pri 4;	843	BDB::dbreq_pri 4;
560	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	844	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
588		872
589	my @data;	873	my @data;
590	my $md5;	874	my $md5;
591		875
592	for (0 .. $#$src) {	876	for (0 .. $#$src) {
593	0 <= aio_load $src->[$_], $data[$_]	877	$data[$_] = load_file $src->[$_];
594	or Carp::croak "$src->[$_]: $!";
595	}	878	}
596		879
597	# if processing is expensive, check	880	# if processing is expensive, check
598	# checksum first	881	# checksum first
599	if (1) {	882	if (1) {
…		…
616		899
617	my $t1 = Time::HiRes::time;	900	my $t1 = Time::HiRes::time;
618	my $data = $process->(\@data);	901	my $data = $process->(\@data);
619	my $t2 = Time::HiRes::time;	902	my $t2 = Time::HiRes::time;
620		903
621	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	904	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
622		905
623	db_put cache => "$id/data", $data;	906	db_put cache => "$id/data", $data;
624	db_put cache => "$id/md5" , $md5;	907	db_put cache => "$id/md5" , $md5;
625	db_put cache => "$id/meta", $meta;	908	db_put cache => "$id/meta", $meta;
626		909
…		…
636		919
637	=cut	920	=cut
638		921
639	sub datalog($@) {	922	sub datalog($@) {
640	my ($type, %kv) = @_;	923	my ($type, %kv) = @_;
641	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	924	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
642	}	925	}
643		926
644	=back	927	=back
645		928
646	=cut	929	=cut
647		930
648	#############################################################################	931	#############################################################################
649		932
650	=head2 ATTACHABLE OBJECTS	933	=head2 ATTACHABLE OBJECTS
651		934
652	Many objects in crossfire are so-called attachable objects. That means you can	935	Many objects in deliantra are so-called attachable objects. That means you can
653	attach callbacks/event handlers (a collection of which is called an "attachment")	936	attach callbacks/event handlers (a collection of which is called an "attachment")
654	to it. All such attachable objects support the following methods.	937	to it. All such attachable objects support the following methods.
655		938
656	In the following description, CLASS can be any of C<global>, C<object>	939	In the following description, CLASS can be any of C<global>, C<object>
657	C<player>, C<client> or C<map> (i.e. the attachable objects in	940	C<player>, C<client> or C<map> (i.e. the attachable objects in
658	Crossfire TRT).	941	Deliantra).
659		942
660	=over 4	943	=over 4
661		944
662	=item $attachable->attach ($attachment, key => $value...)	945	=item $attachable->attach ($attachment, key => $value...)
663		946
…		…
707	=item cf::CLASS::attachment $name, ...	990	=item cf::CLASS::attachment $name, ...
708		991
709	Register an attachment by C<$name> through which attachable objects of the	992	Register an attachment by C<$name> through which attachable objects of the
710	given CLASS can refer to this attachment.	993	given CLASS can refer to this attachment.
711		994
712	Some classes such as crossfire maps and objects can specify attachments	995	Some classes such as deliantra maps and objects can specify attachments
713	that are attached at load/instantiate time, thus the need for a name.	996	that are attached at load/instantiate time, thus the need for a name.
714		997
715	These calls expect any number of the following handler/hook descriptions:	998	These calls expect any number of the following handler/hook descriptions:
716		999
717	=over 4	1000	=over 4
…		…
841		1124
842	} elsif (exists $cb_id{$type}) {	1125	} elsif (exists $cb_id{$type}) {
843	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1126	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
844		1127
845	} elsif (ref $type) {	1128	} elsif (ref $type) {
846	warn "attaching objects not supported, ignoring.\n";	1129	error "attaching objects not supported, ignoring.\n";
847		1130
848	} else {	1131	} else {
849	shift @arg;	1132	shift @arg;
850	warn "attach argument '$type' not supported, ignoring.\n";	1133	error "attach argument '$type' not supported, ignoring.\n";
851	}	1134	}
852	}	1135	}
853	}	1136	}
854		1137
855	sub _object_attach {	1138	sub _object_attach {
…		…
865	_attach $registry, $klass, @attach;	1148	_attach $registry, $klass, @attach;
866	}	1149	}
867		1150
868	$obj->{$name} = \%arg;	1151	$obj->{$name} = \%arg;
869	} else {	1152	} else {
870	warn "object uses attachment '$name' which is not available, postponing.\n";	1153	info "object uses attachment '$name' which is not available, postponing.\n";
871	}	1154	}
872		1155
873	$obj->{_attachment}{$name} = undef;	1156	$obj->{_attachment}{$name} = undef;
874	}	1157	}
875		1158
…		…
934		1217
935	for (@$callbacks) {	1218	for (@$callbacks) {
936	eval { &{$_->[1]} };	1219	eval { &{$_->[1]} };
937		1220
938	if ($@) {	1221	if ($@) {
939	warn "$@";
940	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1222	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
941	override;	1223	override;
942	}	1224	}
943		1225
944	return 1 if $override;	1226	return 1 if $override;
945	}	1227	}
946		1228
947	0	1229	0
948	}	1230	}
949		1231
950	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1232	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
951		1233
952	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
953		1235
954	Generate an object-specific event with the given arguments.	1236	Generate an object-specific event with the given arguments.
955		1237
…		…
961		1243
962	=cut	1244	=cut
963		1245
964	#############################################################################	1246	#############################################################################
965	# object support	1247	# object support
966	#
967		1248
		1249	sub _object_equal($$);
		1250	sub _object_equal($$) {
		1251	my ($a, $b) = @_;
		1252
		1253	return 0 unless (ref $a) eq (ref $b);
		1254
		1255	if ("HASH" eq ref $a) {
		1256	my @ka = keys %$a;
		1257	my @kb = keys %$b;
		1258
		1259	return 0 if @ka != @kb;
		1260
		1261	for (0 .. $#ka) {
		1262	return 0 unless $ka[$_] eq $kb[$_];
		1263	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1264	}
		1265
		1266	} elsif ("ARRAY" eq ref $a) {
		1267
		1268	return 0 if @$a != @$b;
		1269
		1270	for (0 .. $#$a) {
		1271	return 0 unless _object_equal $a->[$_], $b->[$_];
		1272	}
		1273
		1274	} elsif ($a ne $b) {
		1275	return 0;
		1276	}
		1277
		1278	1
		1279	}
		1280
		1281	our $SLOW_MERGES;#d#
968	sub _can_merge {	1282	sub _can_merge {
969	my ($ob1, $ob2) = @_;	1283	my ($ob1, $ob2) = @_;
970		1284
971	local $Storable::canonical = 1;	1285	++$SLOW_MERGES;#d#
972	my $fob1 = Storable::freeze $ob1;
973	my $fob2 = Storable::freeze $ob2;
974		1286
975	$fob1 eq $fob2	1287	# we do the slow way here
		1288	return _object_equal $ob1, $ob2
976	}	1289	}
977		1290
978	sub reattach {	1291	sub reattach {
979	# basically do the same as instantiate, without calling instantiate	1292	# basically do the same as instantiate, without calling instantiate
980	my ($obj) = @_;	1293	my ($obj) = @_;
981		1294
		1295	# no longer needed after getting rid of delete_package?
982	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1296	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
983		1297
984	my $registry = $obj->registry;	1298	my $registry = $obj->registry;
985		1299
986	@$registry = ();	1300	@$registry = ();
987		1301
…		…
992	for (@$attach) {	1306	for (@$attach) {
993	my ($klass, @attach) = @$_;	1307	my ($klass, @attach) = @$_;
994	_attach $registry, $klass, @attach;	1308	_attach $registry, $klass, @attach;
995	}	1309	}
996	} else {	1310	} else {
997	warn "object uses attachment '$name' that is not available, postponing.\n";	1311	info "object uses attachment '$name' that is not available, postponing.\n";
998	}	1312	}
999	}	1313	}
1000	}	1314	}
1001		1315
1002	cf::attachable->attach (	1316	cf::attachable->attach (
1003	prio => -1000000,	1317	prio => -1000000,
1004	on_instantiate => sub {	1318	on_instantiate => sub {
1005	my ($obj, $data) = @_;	1319	my ($obj, $data) = @_;
1006		1320
1007	$data = from_json $data;	1321	$data = decode_json $data;
1008		1322
1009	for (@$data) {	1323	for (@$data) {
1010	my ($name, $args) = @$_;	1324	my ($name, $args) = @$_;
1011		1325
1012	$obj->attach ($name, %{$args || {} });	1326	$obj->attach ($name, %{$args || {} });
…		…
1026	);	1340	);
1027		1341
1028	sub object_freezer_save {	1342	sub object_freezer_save {
1029	my ($filename, $rdata, $objs) = @_;	1343	my ($filename, $rdata, $objs) = @_;
1030		1344
1031	my $guard = cf::lock_acquire "io";
1032
1033	sync_job {	1345	sync_job {
1034	if (length $$rdata) {	1346	if (length $$rdata) {
1035	utf8::decode (my $decname = $filename);	1347	utf8::decode (my $decname = $filename);
1036	warn sprintf "saving %s (%d,%d)\n",	1348	trace sprintf "saving %s (%d,%d)\n",
1037	$decname, length $$rdata, scalar @$objs;	1349	$decname, length $$rdata, scalar @$objs
		1350	if $VERBOSE_IO;
1038		1351
1039	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1352	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1040	chmod SAVE_MODE, $fh;	1353	aio_chmod $fh, SAVE_MODE;
1041	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1354	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1042	aio_fsync $fh if $cf::USE_FSYNC;	1355	if ($cf::USE_FSYNC) {
		1356	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;
		1357	aio_fsync $fh;
		1358	}
1043	close $fh;	1359	aio_close $fh;
1044		1360
1045	if (@$objs) {	1361	if (@$objs) {
1046	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1362	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1047	chmod SAVE_MODE, $fh;	1363	aio_chmod $fh, SAVE_MODE;
1048	my $data = Storable::nfreeze { version => 1, objs => $objs };	1364	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1049	aio_write $fh, 0, (length $data), $data, 0;	1365	aio_write $fh, 0, (length $data), $data, 0;
1050	aio_fsync $fh if $cf::USE_FSYNC;	1366	if ($cf::USE_FSYNC) {
		1367	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;
		1368	aio_fsync $fh;
		1369	}
1051	close $fh;	1370	aio_close $fh;
1052	aio_rename "$filename.pst~", "$filename.pst";	1371	aio_rename "$filename.pst~", "$filename.pst";
1053	}	1372	}
1054	} else {	1373	} else {
1055	aio_unlink "$filename.pst";	1374	aio_unlink "$filename.pst";
1056	}	1375	}
1057		1376
1058	aio_rename "$filename~", $filename;	1377	aio_rename "$filename~", $filename;
		1378
		1379	$filename =~ s%/[^/]+$%%;
		1380	aio_pathsync $filename if $cf::USE_FSYNC;
1059	} else {	1381	} else {
1060	warn "FATAL: $filename~: $!\n";	1382	error "unable to save objects: $filename~: $!\n";
1061	}	1383	}
1062	} else {	1384	} else {
1063	aio_unlink $filename;	1385	aio_unlink $filename;
1064	aio_unlink "$filename.pst";	1386	aio_unlink "$filename.pst";
1065	}	1387	}
1066	};	1388	};
1067
1068	undef $guard;
1069	}	1389	}
1070		1390
1071	sub object_freezer_as_string {	1391	sub object_freezer_as_string {
1072	my ($rdata, $objs) = @_;	1392	my ($rdata, $objs) = @_;
1073		1393
…		…
1078		1398
1079	sub object_thawer_load {	1399	sub object_thawer_load {
1080	my ($filename) = @_;	1400	my ($filename) = @_;
1081		1401
1082	my ($data, $av);	1402	my ($data, $av);
1083
1084	my $guard = cf::lock_acquire "io";
1085		1403
1086	(aio_load $filename, $data) >= 0	1404	(aio_load $filename, $data) >= 0
1087	or return;	1405	or return;
1088		1406
1089	unless (aio_stat "$filename.pst") {	1407	unless (aio_stat "$filename.pst") {
1090	(aio_load "$filename.pst", $av) >= 0	1408	(aio_load "$filename.pst", $av) >= 0
1091	or return;	1409	or return;
1092		1410
1093	undef $guard;
1094	$av = eval { (Storable::thaw $av)->{objs} };	1411	my $st = eval { Coro::Storable::thaw $av };
		1412	$av = $st->{objs};
1095	}	1413	}
1096		1414
1097	utf8::decode (my $decname = $filename);	1415	utf8::decode (my $decname = $filename);
1098	warn sprintf "loading %s (%d,%d)\n",	1416	trace sprintf "loading %s (%d,%d)\n",
1099	$decname, length $data, scalar @{$av || []};	1417	$decname, length $data, scalar @{$av || []}
		1418	if $VERBOSE_IO;
1100		1419
1101	($data, $av)	1420	($data, $av)
1102	}	1421	}
1103		1422
1104	=head2 COMMAND CALLBACKS	1423	=head2 COMMAND CALLBACKS
…		…
1160	my ($name, $cb) = @_;	1479	my ($name, $cb) = @_;
1161		1480
1162	$EXTICMD{$name} = $cb;	1481	$EXTICMD{$name} = $cb;
1163	}	1482	}
1164		1483
		1484	use File::Glob ();
		1485
1165	cf::player->attach (	1486	cf::player->attach (
1166	on_command => sub {	1487	on_unknown_command => sub {
1167	my ($pl, $name, $params) = @_;	1488	my ($pl, $name, $params) = @_;
1168		1489
1169	my $cb = $COMMAND{$name}	1490	my $cb = $COMMAND{$name}
1170	or return;	1491	or return;
1171		1492
…		…
1179	my ($pl, $buf) = @_;	1500	my ($pl, $buf) = @_;
1180		1501
1181	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1502	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1182		1503
1183	if (ref $msg) {	1504	if (ref $msg) {
1184	my ($type, $reply, @payload) =	1505	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1185	"ARRAY" eq ref $msg
1186	? @$msg
1187	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1188		1506
1189	my @reply;	1507	my @reply;
1190		1508
1191	if (my $cb = $EXTCMD{$type}) {	1509	if (my $cb = $EXTCMD{$type}) {
1192	@reply = $cb->($pl, @payload);	1510	@reply = $cb->($pl, @payload);
…		…
1194		1512
1195	$pl->ext_reply ($reply, @reply)	1513	$pl->ext_reply ($reply, @reply)
1196	if $reply;	1514	if $reply;
1197		1515
1198	} else {	1516	} else {
1199	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1517	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1200	}	1518	}
1201		1519
1202	cf::override;	1520	cf::override;
1203	},	1521	},
1204	);	1522	);
1205		1523
		1524	# "readahead" all extensions
		1525	sub cache_extensions {
		1526	my $grp = IO::AIO::aio_group;
		1527
		1528	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1529	for (grep /\.ext$/, @{$_[0]}) {
		1530	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1531	}
		1532	};
		1533
		1534	$grp
		1535	}
		1536
		1537	sub _ext_cfg_reg($$$$) {
		1538	my ($rvar, $varname, $cfgname, $default) = @_;
		1539
		1540	$cfgname = lc $varname
		1541	unless length $cfgname;
		1542
		1543	$EXT_CFG{$cfgname} = [$rvar, $default];
		1544
		1545	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1546	}
		1547
1206	sub load_extensions {	1548	sub load_extensions {
		1549	info "loading extensions...";
		1550
		1551	%EXT_CFG = ();
		1552
1207	cf::sync_job {	1553	cf::sync_job {
1208	my %todo;	1554	my %todo;
1209		1555
1210	for my $path (<$LIBDIR/*.ext>) {	1556	for my $path (<$LIBDIR/*.ext>) {
1211	next unless -r $path;	1557	next unless -r $path;
…		…
1229		1575
1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1576	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1577	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1232		1578
1233	$ext{source} =	1579	$ext{source} =
1234	"package $pkg; use strict; use utf8;\n"	1580	"package $pkg; use common::sense;\n"
1235	. "#line 1 \"$path\"\n{\n"	1581	. "#line 1 \"$path\"\n{\n"
1236	. $source	1582	. $source
1237	. "\n};\n1";	1583	. "\n};\n1";
1238		1584
1239	$todo{$base} = \%ext;	1585	$todo{$base} = \%ext;
1240	}	1586	}
1241		1587
		1588	my $pass = 0;
1242	my %done;	1589	my %done;
1243	while (%todo) {	1590	while (%todo) {
1244	my $progress;	1591	my $progress;
1245		1592
		1593	++$pass;
		1594
		1595	ext:
1246	while (my ($k, $v) = each %todo) {	1596	while (my ($k, $v) = each %todo) {
1247	for (split /,\s*/, $v->{meta}{depends}) {	1597	for (split /,\s*/, $v->{meta}{depends}) {
1248	goto skip	1598	next ext
1249	unless exists $done{$_};	1599	unless exists $done{$_};
1250	}	1600	}
1251		1601
1252	warn "... loading '$k' into '$v->{pkg}'\n";	1602	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1253		1603
1254	unless (eval $v->{source}) {	1604	my $source = $v->{source};
		1605
		1606	# support "CONF varname :confname = default" pseudo-statements
		1607	$source =~ s{
		1608	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1609	}{
		1610	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1611	}gmxe;
		1612
		1613	my $active = eval $source;
		1614
		1615	if (length $@) {
1255	my $msg = $@ ? "$v->{path}: $@\n"	1616	error "$v->{path}: $@\n";
1256	: "$v->{base}: extension inactive.\n";
1257		1617
		1618	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1258	if (exists $v->{meta}{mandatory}) {	1619	if exists $v->{meta}{mandatory};
1259	warn $msg;	1620
1260	warn "mandatory extension failed to load, exiting.\n";	1621	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1261	exit 1;	1622	delete $todo{$k};
1262	}	1623	} else {
1263		1624	$done{$k} = delete $todo{$k};
1264	warn $msg;	1625	push @EXTS, $v->{pkg};
		1626	$progress = 1;
		1627
		1628	info "$v->{base}: extension inactive.\n"
		1629	unless $active;
1265	}	1630	}
1266
1267	$done{$k} = delete $todo{$k};
1268	push @EXTS, $v->{pkg};
1269	$progress = 1;
1270	}	1631	}
1271		1632
1272	skip:	1633	unless ($progress) {
1273	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1634	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1274	unless $progress;	1635
		1636	while (my ($k, $v) = each %todo) {
		1637	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1638	if exists $v->{meta}{mandatory};
		1639	}
		1640
		1641	last;
		1642	}
1275	}	1643	}
1276	};	1644	};
1277	}	1645	}
1278		1646
1279	#############################################################################	1647	#############################################################################
1280		1648
1281	=back	1649	=back
1282		1650
1283	=head2 CORE EXTENSIONS	1651	=head2 CORE EXTENSIONS
1284		1652
1285	Functions and methods that extend core crossfire objects.	1653	Functions and methods that extend core deliantra objects.
1286		1654
1287	=cut	1655	=cut
1288		1656
1289	package cf::player;	1657	package cf::player;
1290		1658
…		…
1333		1701
1334	sub exists($) {	1702	sub exists($) {
1335	my ($login) = @_;	1703	my ($login) = @_;
1336		1704
1337	$cf::PLAYER{$login}	1705	$cf::PLAYER{$login}
1338	or cf::sync_job { !aio_stat path $login }	1706	or !aio_stat path $login
1339	}	1707	}
1340		1708
1341	sub find($) {	1709	sub find($) {
1342	return $cf::PLAYER{$_[0]} || do {	1710	return $cf::PLAYER{$_[0]} || do {
1343	my $login = $_[0];	1711	my $login = $_[0];
…		…
1355	my $f = new_from_file cf::object::thawer path $login	1723	my $f = new_from_file cf::object::thawer path $login
1356	or return;	1724	or return;
1357		1725
1358	my $pl = cf::player::load_pl $f	1726	my $pl = cf::player::load_pl $f
1359	or return;	1727	or return;
		1728
1360	local $cf::PLAYER_LOADING{$login} = $pl;	1729	local $cf::PLAYER_LOADING{$login} = $pl;
1361	$f->resolve_delayed_derefs;	1730	$f->resolve_delayed_derefs;
1362	$cf::PLAYER{$login} = $pl	1731	$cf::PLAYER{$login} = $pl
1363	}	1732	}
1364	}	1733	}
1365	}	1734	}
1366		1735
		1736	cf::player->attach (
		1737	on_load => sub {
		1738	my ($pl, $path) = @_;
		1739
		1740	# restore slots saved in save, below
		1741	my $slots = delete $pl->{_slots};
		1742
		1743	$pl->ob->current_weapon ($slots->[0]);
		1744	$pl->combat_ob ($slots->[1]);
		1745	$pl->ranged_ob ($slots->[2]);
		1746	},
		1747	);
		1748
1367	sub save($) {	1749	sub save($) {
1368	my ($pl) = @_;	1750	my ($pl) = @_;
1369		1751
1370	return if $pl->{deny_save};	1752	return if $pl->{deny_save};
1371		1753
…		…
1374		1756
1375	return if $pl->{deny_save};	1757	return if $pl->{deny_save};
1376		1758
1377	aio_mkdir playerdir $pl, 0770;	1759	aio_mkdir playerdir $pl, 0770;
1378	$pl->{last_save} = $cf::RUNTIME;	1760	$pl->{last_save} = $cf::RUNTIME;
		1761
		1762	cf::get_slot 0.01;
		1763
		1764	# save slots, to be restored later
		1765	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1379		1766
1380	$pl->save_pl ($path);	1767	$pl->save_pl ($path);
1381	cf::cede_to_tick;	1768	cf::cede_to_tick;
1382	}	1769	}
1383		1770
…		…
1415	my ($pl) = @_;	1802	my ($pl) = @_;
1416		1803
1417	my $name = $pl->ob->name;	1804	my $name = $pl->ob->name;
1418		1805
1419	$pl->{deny_save} = 1;	1806	$pl->{deny_save} = 1;
1420	$pl->password ("*"); # this should lock out the player until we nuked the dir	1807	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1421		1808
1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1809	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1423	$pl->deactivate;	1810	$pl->deactivate;
		1811
		1812	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1424	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1813	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1814	ext::highscore::check ($pl->ob);
		1815
1425	$pl->ns->destroy if $pl->ns;	1816	$pl->ns->destroy if $pl->ns;
1426		1817
1427	my $path = playerdir $pl;	1818	my $path = playerdir $pl;
1428	my $temp = "$path~$cf::RUNTIME~deleting~";	1819	my $temp = "$path~$cf::RUNTIME~deleting~";
1429	aio_rename $path, $temp;	1820	aio_rename $path, $temp;
…		…
1467		1858
1468	for my $login (@$dirs) {	1859	for my $login (@$dirs) {
1469	my $path = path $login;	1860	my $path = path $login;
1470		1861
1471	# a .pst is a dead give-away for a valid player	1862	# a .pst is a dead give-away for a valid player
1472	unless (-e "$path.pst") {	1863	# if no pst file found, open and chekc for blocked users
		1864	if (aio_stat "$path.pst") {
1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1865	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1474	aio_read $fh, 0, 512, my $buf, 0 or next;	1866	aio_read $fh, 0, 512, my $buf, 0 or next;
1475	$buf !~ /^password -------------$/m or next; # official not-valid tag	1867	$buf !~ /^password -------------$/m or next; # official not-valid tag
1476	}	1868	}
1477		1869
…		…
1481		1873
1482	\@logins	1874	\@logins
1483	}	1875	}
1484		1876
1485	=item $player->maps	1877	=item $player->maps
		1878
		1879	=item cf::player::maps $login
1486		1880
1487	Returns an arrayref of map paths that are private for this	1881	Returns an arrayref of map paths that are private for this
1488	player. May block.	1882	player. May block.
1489		1883
1490	=cut	1884	=cut
…		…
1508	}	1902	}
1509		1903
1510	\@paths	1904	\@paths
1511	}	1905	}
1512		1906
1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1907	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1514		1908
1515	Expand crossfire pod fragments into protocol xml.	1909	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		1910
1564	=item $player->ext_reply ($msgid, @msg)	1911	=item $player->ext_reply ($msgid, @msg)
1565		1912
1566	Sends an ext reply to the player.	1913	Sends an ext reply to the player.
1567		1914
…		…
1599		1946
1600	=cut	1947	=cut
1601		1948
1602	sub find_by_path($) {	1949	sub find_by_path($) {
1603	my ($path) = @_;	1950	my ($path) = @_;
		1951
		1952	$path =~ s/^~[^\/]*//; # skip ~login
1604		1953
1605	my ($match, $specificity);	1954	my ($match, $specificity);
1606		1955
1607	for my $region (list) {	1956	for my $region (list) {
1608	if ($region->{match} && $path =~ $region->{match}) {	1957	if ($region->{match} && $path =~ $region->{match}) {
…		…
1634	our $MAX_RESET = 3600;	1983	our $MAX_RESET = 3600;
1635	our $DEFAULT_RESET = 3000;	1984	our $DEFAULT_RESET = 3000;
1636		1985
1637	sub generate_random_map {	1986	sub generate_random_map {
1638	my ($self, $rmp) = @_;	1987	my ($self, $rmp) = @_;
1639	# mit "rum" bekleckern, nicht	1988
		1989	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1990
1640	$self->_create_random_map (	1991	$self->_create_random_map ($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}), $rmp->{custom}
1652	)
1653	}	1992	}
1654		1993
1655	=item cf::map->register ($regex, $prio)	1994	=item cf::map->register ($regex, $prio)
1656		1995
1657	Register a handler for the map path matching the given regex at the	1996	Register a handler for the map path matching the given regex at the
…		…
1662		2001
1663	sub register {	2002	sub register {
1664	my (undef, $regex, $prio) = @_;	2003	my (undef, $regex, $prio) = @_;
1665	my $pkg = caller;	2004	my $pkg = caller;
1666		2005
1667	no strict;
1668	push @{"$pkg\::ISA"}, __PACKAGE__;	2006	push @{"$pkg\::ISA"}, __PACKAGE__;
1669		2007
1670	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2008	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1671	}	2009	}
1672		2010
1673	# also paths starting with '/'	2011	# also paths starting with '/'
1674	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2012	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1675		2013
1676	sub thawer_merge {	2014	sub thawer_merge {
1677	my ($self, $merge) = @_;	2015	my ($self, $merge) = @_;
1678		2016
1679	# we have to keep some variables in memory intact	2017	# we have to keep some variables in memory intact
…		…
1684	}	2022	}
1685		2023
1686	sub normalise {	2024	sub normalise {
1687	my ($path, $base) = @_;	2025	my ($path, $base) = @_;
1688		2026
1689	$path = "$path"; # make sure its a string	2027	$path = "$path"; # make sure it's a string
1690		2028
1691	$path =~ s/\.map$//;	2029	$path =~ s/\.map$//;
1692		2030
1693	# map plan:	2031	# map plan:
1694	#	2032	#
…		…
1709	$base =~ s{[^/]+/?$}{};	2047	$base =~ s{[^/]+/?$}{};
1710	$path = "$base/$path";	2048	$path = "$base/$path";
1711	}	2049	}
1712		2050
1713	for ($path) {	2051	for ($path) {
1714	redo if s{//}{/};
1715	redo if s{/\.?/}{/};	2052	redo if s{/\.?/}{/};
1716	redo if s{/[^/]+/\.\./}{/};	2053	redo if s{/[^/]+/\.\./}{/};
1717	}	2054	}
1718		2055
1719	$path	2056	$path
…		…
1733	$self->init; # pass $1 etc.	2070	$self->init; # pass $1 etc.
1734	return $self;	2071	return $self;
1735	}	2072	}
1736	}	2073	}
1737		2074
1738	Carp::cluck "unable to resolve path '$path' (base '$base').";	2075	Carp::cluck "unable to resolve path '$path' (base '$base')";
1739	()	2076	()
1740	}	2077	}
1741		2078
		2079	# may re-bless or do other evil things
1742	sub init {	2080	sub init {
1743	my ($self) = @_;	2081	my ($self) = @_;
1744		2082
1745	$self	2083	$self
1746	}	2084	}
…		…
1765		2103
1766	# the temporary/swap location	2104	# the temporary/swap location
1767	sub save_path {	2105	sub save_path {
1768	my ($self) = @_;	2106	my ($self) = @_;
1769		2107
1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1771	"$TMPDIR/$path.map"	2109	"$TMPDIR/$path.map"
1772	}	2110	}
1773		2111
1774	# the unique path, undef == no special unique path	2112	# the unique path, undef == no special unique path
1775	sub uniq_path {	2113	sub uniq_path {
1776	my ($self) = @_;	2114	my ($self) = @_;
1777		2115
1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2116	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1779	"$UNIQUEDIR/$path"	2117	"$UNIQUEDIR/$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 $_->outdoor, values %cf::MAP;
1789	}	2118	}
1790		2119
1791	sub decay_objects {	2120	sub decay_objects {
1792	my ($self) = @_;	2121	my ($self) = @_;
1793		2122
…		…
1820	$self->{load_path} = $path;	2149	$self->{load_path} = $path;
1821		2150
1822	1	2151	1
1823	}	2152	}
1824		2153
		2154	# used to laod the header of an original map
1825	sub load_header_orig {	2155	sub load_header_orig {
1826	my ($self) = @_;	2156	my ($self) = @_;
1827		2157
1828	$self->load_header_from ($self->load_path)	2158	$self->load_header_from ($self->load_path)
1829	}	2159	}
1830		2160
		2161	# used to laod the header of an instantiated map
1831	sub load_header_temp {	2162	sub load_header_temp {
1832	my ($self) = @_;	2163	my ($self) = @_;
1833		2164
1834	$self->load_header_from ($self->save_path)	2165	$self->load_header_from ($self->save_path)
1835	}	2166	}
1836		2167
		2168	# called after loading the header from an instantiated map
1837	sub prepare_temp {	2169	sub prepare_temp {
1838	my ($self) = @_;	2170	my ($self) = @_;
1839		2171
1840	$self->last_access ((delete $self->{last_access})	2172	$self->last_access ((delete $self->{last_access})
1841	|| $cf::RUNTIME); #d#	2173	|| $cf::RUNTIME); #d#
1842	# safety	2174	# safety
1843	$self->{instantiate_time} = $cf::RUNTIME	2175	$self->{instantiate_time} = $cf::RUNTIME
1844	if $self->{instantiate_time} > $cf::RUNTIME;	2176	if $self->{instantiate_time} > $cf::RUNTIME;
1845	}	2177	}
1846		2178
		2179	# called after loading the header from an original map
1847	sub prepare_orig {	2180	sub prepare_orig {
1848	my ($self) = @_;	2181	my ($self) = @_;
1849		2182
1850	$self->{load_original} = 1;	2183	$self->{load_original} = 1;
1851	$self->{instantiate_time} = $cf::RUNTIME;	2184	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1875		2208
1876	sub find;	2209	sub find;
1877	sub find {	2210	sub find {
1878	my ($path, $origin) = @_;	2211	my ($path, $origin) = @_;
1879		2212
		2213	cf::cede_to_tick;
		2214
1880	$path = normalise $path, $origin && $origin->path;	2215	$path = normalise $path, $origin;
1881		2216
1882	cf::lock_wait "map_data:$path";#d#remove	2217	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1883	cf::lock_wait "map_find:$path";	2218	my $guard2 = cf::lock_acquire "map_find:$path";
1884		2219
1885	$cf::MAP{$path} || do {	2220	$cf::MAP{$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	2221	my $map = new_from_path cf::map $path
1890	or return;	2222	or return;
1891		2223
1892	$map->{last_save} = $cf::RUNTIME;	2224	$map->{last_save} = $cf::RUNTIME;
1893		2225
…		…
1895	or return;	2227	or return;
1896		2228
1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2229	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1898	# doing this can freeze the server in a sync job, obviously	2230	# doing this can freeze the server in a sync job, obviously
1899	#$cf::WAIT_FOR_TICK->wait;	2231	#$cf::WAIT_FOR_TICK->wait;
		2232	undef $guard2;
1900	undef $guard1;	2233	undef $guard1;
1901	undef $guard2;
1902	$map->reset;	2234	$map->reset;
1903	return find $path;	2235	return find $path;
1904	}	2236	}
1905		2237
1906	$cf::MAP{$path} = $map	2238	$cf::MAP{$path} = $map
1907	}	2239	}
1908	}	2240	}
1909		2241
1910	sub pre_load { }	2242	sub pre_load { }
1911	sub post_load { }	2243	#sub post_load { } # XS
1912		2244
1913	sub load {	2245	sub load {
1914	my ($self) = @_;	2246	my ($self) = @_;
1915		2247
1916	local $self->{deny_reset} = 1; # loading can take a long time	2248	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1919		2251
1920	{	2252	{
1921	my $guard = cf::lock_acquire "map_data:$path";	2253	my $guard = cf::lock_acquire "map_data:$path";
1922		2254
1923	return unless $self->valid;	2255	return unless $self->valid;
1924	return unless $self->in_memory == cf::MAP_SWAPPED;	2256	return unless $self->state == cf::MAP_SWAPPED;
1925
1926	$self->in_memory (cf::MAP_LOADING);
1927		2257
1928	$self->alloc;	2258	$self->alloc;
1929		2259
1930	$self->pre_load;	2260	$self->pre_load;
1931	cf::cede_to_tick;	2261	cf::cede_to_tick;
1932		2262
		2263	if (exists $self->{load_path}) {
1933	my $f = new_from_file cf::object::thawer $self->{load_path};	2264	my $f = new_from_file cf::object::thawer $self->{load_path};
1934	$f->skip_block;	2265	$f->skip_block;
1935	$self->_load_objects ($f)	2266	$self->_load_objects ($f)
1936	or return;	2267	or return;
1937		2268
1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2269	$self->post_load_original
1939	if delete $self->{load_original};	2270	if delete $self->{load_original};
1940		2271
1941	if (my $uniq = $self->uniq_path) {	2272	if (my $uniq = $self->uniq_path) {
1942	utf8::encode $uniq;	2273	utf8::encode $uniq;
1943	unless (aio_stat $uniq) {	2274	unless (aio_stat $uniq) {
1944	if (my $f = new_from_file cf::object::thawer $uniq) {	2275	if (my $f = new_from_file cf::object::thawer $uniq) {
1945	$self->clear_unique_items;	2276	$self->clear_unique_items;
1946	$self->_load_objects ($f);	2277	$self->_load_objects ($f);
1947	$f->resolve_delayed_derefs;	2278	$f->resolve_delayed_derefs;
		2279	}
1948	}	2280	}
1949	}	2281	}
1950	}
1951		2282
1952	$f->resolve_delayed_derefs;	2283	$f->resolve_delayed_derefs;
		2284	} else {
		2285	$self->post_load_original
		2286	if delete $self->{load_original};
		2287	}
		2288
		2289	$self->state (cf::MAP_INACTIVE);
1953		2290
1954	cf::cede_to_tick;	2291	cf::cede_to_tick;
1955	# now do the right thing for maps	2292	# now do the right thing for maps
1956	$self->link_multipart_objects;	2293	$self->link_multipart_objects;
1957	$self->difficulty ($self->estimate_difficulty)	2294	$self->difficulty ($self->estimate_difficulty)
…		…
1961	unless ($self->{deny_activate}) {	2298	unless ($self->{deny_activate}) {
1962	$self->decay_objects;	2299	$self->decay_objects;
1963	$self->fix_auto_apply;	2300	$self->fix_auto_apply;
1964	$self->update_buttons;	2301	$self->update_buttons;
1965	cf::cede_to_tick;	2302	cf::cede_to_tick;
1966	$self->set_darkness_map;	2303	#$self->activate; # no longer activate maps automatically
1967	cf::cede_to_tick;
1968	$self->activate;
1969	}	2304	}
1970		2305
1971	$self->{last_save} = $cf::RUNTIME;	2306	$self->{last_save} = $cf::RUNTIME;
1972	$self->last_access ($cf::RUNTIME);	2307	$self->last_access ($cf::RUNTIME);
1973
1974	$self->in_memory (cf::MAP_IN_MEMORY);
1975	}	2308	}
1976		2309
1977	$self->post_load;	2310	$self->post_load;
1978	}
1979		2311
		2312	1
		2313	}
		2314
		2315	# customize the map for a given player, i.e.
		2316	# return the _real_ map. used by e.g. per-player
		2317	# maps to change the path to ~playername/mappath
1980	sub customise_for {	2318	sub customise_for {
1981	my ($self, $ob) = @_;	2319	my ($self, $ob) = @_;
1982		2320
1983	return find "~" . $ob->name . "/" . $self->{path}	2321	return find "~" . $ob->name . "/" . $self->{path}
1984	if $self->per_player;	2322	if $self->per_player;
…		…
1987	# if $self->per_party;	2325	# if $self->per_party;
1988		2326
1989	$self	2327	$self
1990	}	2328	}
1991		2329
1992	# find and load all maps in the 3x3 area around a map
1993	sub load_neighbours {
1994	my ($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	$neigh->load;
2015	}
2016	}
2017
2018	sub find_sync {	2330	sub find_sync {
2019	my ($path, $origin) = @_;	2331	my ($path, $origin) = @_;
2020		2332
2021	cf::sync_job { find $path, $origin }	2333	# it's a bug to call this from the main context
		2334	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2335	if $Coro::current == $Coro::main;
		2336
		2337	find $path, $origin
2022	}	2338	}
2023		2339
2024	sub do_load_sync {	2340	sub do_load_sync {
2025	my ($map) = @_;	2341	my ($map) = @_;
2026		2342
		2343	# it's a bug to call this from the main context
2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2344	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2028	if $Coro::current == $Coro::main;	2345	if $Coro::current == $Coro::main;
2029		2346
2030	cf::sync_job { $map->load };	2347	$map->load;
2031	}	2348	}
2032		2349
2033	our %MAP_PREFETCH;	2350	our %MAP_PREFETCH;
2034	our $MAP_PREFETCHER = undef;	2351	our $MAP_PREFETCHER = undef;
2035		2352
2036	sub find_async {	2353	sub find_async {
2037	my ($path, $origin, $load) = @_;	2354	my ($path, $origin, $load) = @_;
2038		2355
2039	$path = normalise $path, $origin && $origin->{path};	2356	$path = normalise $path, $origin;
2040		2357
2041	if (my $map = $cf::MAP{$path}) {	2358	if (my $map = $cf::MAP{$path}) {
2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2359	return $map if !$load || $map->linkable;
2043	}	2360	}
2044		2361
2045	$MAP_PREFETCH{$path} |= $load;	2362	$MAP_PREFETCH{$path} |= $load;
2046		2363
2047	$MAP_PREFETCHER ||= cf::async {	2364	$MAP_PREFETCHER ||= cf::async {
		2365	$Coro::current->{desc} = "map prefetcher";
		2366
2048	while (%MAP_PREFETCH) {	2367	while (%MAP_PREFETCH) {
2049	while (my ($k, $v) = each %MAP_PREFETCH) {	2368	while (my ($k, $v) = each %MAP_PREFETCH) {
2050	if (my $map = find $k) {	2369	if (my $map = find $k) {
2051	$map->load if $v;	2370	$map->load if $v;
2052	}	2371	}
…		…
2059	$MAP_PREFETCHER->prio (6);	2378	$MAP_PREFETCHER->prio (6);
2060		2379
2061	()	2380	()
2062	}	2381	}
2063		2382
		2383	# common code, used by both ->save and ->swapout
2064	sub save {	2384	sub _save {
2065	my ($self) = @_;	2385	my ($self) = @_;
2066
2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
2068		2386
2069	$self->{last_save} = $cf::RUNTIME;	2387	$self->{last_save} = $cf::RUNTIME;
2070		2388
2071	return unless $self->dirty;	2389	return unless $self->dirty;
2072		2390
…		…
2078	return if $self->{deny_save};	2396	return if $self->{deny_save};
2079		2397
2080	local $self->{last_access} = $self->last_access;#d#	2398	local $self->{last_access} = $self->last_access;#d#
2081		2399
2082	cf::async {	2400	cf::async {
		2401	$Coro::current->{desc} = "map player save";
2083	$_->contr->save for $self->players;	2402	$_->contr->save for $self->players;
2084	};	2403	};
		2404
		2405	cf::get_slot 0.02;
2085		2406
2086	if ($uniq) {	2407	if ($uniq) {
2087	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2408	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2088	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2409	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2089	} else {	2410	} else {
2090	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2411	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2091	}	2412	}
2092	}	2413	}
2093		2414
		2415	sub save {
		2416	my ($self) = @_;
		2417
		2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2419
		2420	$self->_save;
		2421	}
		2422
2094	sub swap_out {	2423	sub swap_out {
2095	my ($self) = @_;	2424	my ($self) = @_;
2096		2425
2097	# save first because save cedes
2098	$self->save;
2099
2100	my $lock = cf::lock_acquire "map_data:$self->{path}";	2426	my $lock = cf::lock_acquire "map_data:$self->{path}";
2101		2427
		2428	return if !$self->linkable;
		2429	return if $self->{deny_save};
2102	return if $self->players;	2430	return if $self->players;
2103	return if $self->in_memory != cf::MAP_IN_MEMORY;	2431
		2432	# first deactivate the map and "unlink" it from the core
		2433	$self->deactivate;
		2434	$_->clear_links_to ($self) for values %cf::MAP;
		2435	$self->state (cf::MAP_SWAPPED);
		2436
		2437	# then atomically save
		2438	$self->_save;
		2439
		2440	# then free the map
		2441	$self->clear;
		2442	}
		2443
		2444	sub reset_at {
		2445	my ($self) = @_;
		2446
		2447	# TODO: safety, remove and allow resettable per-player maps
2104	return if $self->{deny_save};	2448	return 1e99 if $self->{deny_reset};
2105		2449
		2450	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2451	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2452
		2453	$time + $to
		2454	}
		2455
		2456	sub should_reset {
		2457	my ($self) = @_;
		2458
		2459	$self->reset_at <= $cf::RUNTIME
		2460	}
		2461
		2462	sub reset {
		2463	my ($self) = @_;
		2464
		2465	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2466
		2467	return if $self->players;
		2468
		2469	cf::trace "resetting map ", $self->path, "\n";
		2470
2106	$self->in_memory (cf::MAP_SWAPPED);	2471	$self->state (cf::MAP_SWAPPED);
		2472
		2473	# need to save uniques path
		2474	unless ($self->{deny_save}) {
		2475	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2476
		2477	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2478	if $uniq;
		2479	}
		2480
		2481	delete $cf::MAP{$self->path};
2107		2482
2108	$self->deactivate;	2483	$self->deactivate;
2109	$_->clear_links_to ($self) for values %cf::MAP;	2484	$_->clear_links_to ($self) for values %cf::MAP;
2110	$self->clear;	2485	$self->clear;
2111	}
2112
2113	sub reset_at {
2114	my ($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		2486
2156	$self->unlink_save;	2487	$self->unlink_save;
2157	$self->destroy;	2488	$self->destroy;
2158	}	2489	}
2159		2490
…		…
2167		2498
2168	delete $cf::MAP{$self->path};	2499	delete $cf::MAP{$self->path};
2169		2500
2170	$self->unlink_save;	2501	$self->unlink_save;
2171		2502
2172	bless $self, "cf::map";	2503	bless $self, "cf::map::wrap";
2173	delete $self->{deny_reset};	2504	delete $self->{deny_reset};
2174	$self->{deny_save} = 1;	2505	$self->{deny_save} = 1;
2175	$self->reset_timeout (1);	2506	$self->reset_timeout (1);
2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2507	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2177		2508
…		…
2226		2557
2227	sub unique_maps() {	2558	sub unique_maps() {
2228	[	2559	[
2229	map {	2560	map {
2230	utf8::decode $_;	2561	utf8::decode $_;
2231	/\.map$/	2562	s/\.map$//; # TODO future compatibility hack
		2563	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2564	? ()
2232	? normalise $_	2565	: normalise $_
2233	: ()
2234	} @{ aio_readdir $UNIQUEDIR or [] }	2566	} @{ aio_readdir $UNIQUEDIR or [] }
2235	]	2567	]
2236	}	2568	}
2237		2569
2238	package cf;	2570	=item cf::map::static_maps
		2571
		2572	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2573	file in the shared directory excluding F</styles> and F</editor>). May
		2574	block.
		2575
		2576	=cut
		2577
		2578	sub static_maps() {
		2579	my @dirs = "";
		2580	my @maps;
		2581
		2582	while (@dirs) {
		2583	my $dir = shift @dirs;
		2584
		2585	next if $dir eq "/styles" || $dir eq "/editor";
		2586
		2587	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2588	or return;
		2589
		2590	for (@$files) {
		2591	s/\.map$// or next;
		2592	utf8::decode $_;
		2593	push @maps, "$dir/$_";
		2594	}
		2595
		2596	push @dirs, map "$dir/$_", @$dirs;
		2597	}
		2598
		2599	\@maps
		2600	}
2239		2601
2240	=back	2602	=back
2241		2603
2242	=head3 cf::object	2604	=head3 cf::object
2243		2605
…		…
2247		2609
2248	=over 4	2610	=over 4
2249		2611
2250	=item $ob->inv_recursive	2612	=item $ob->inv_recursive
2251		2613
2252	Returns the inventory of the object _and_ their inventories, recursively.	2614	Returns the inventory of the object I<and> their inventories, recursively,
		2615	but I<not> the object itself.
2253		2616
2254	=cut	2617	=cut
2255		2618
2256	sub inv_recursive_;	2619	sub inv_recursive_;
2257	sub inv_recursive_ {	2620	sub inv_recursive_ {
…		…
2262	inv_recursive_ inv $_[0]	2625	inv_recursive_ inv $_[0]
2263	}	2626	}
2264		2627
2265	=item $ref = $ob->ref	2628	=item $ref = $ob->ref
2266		2629
2267	creates and returns a persistent reference to an objetc that can be stored as a string.	2630	Creates and returns a persistent reference to an object that can be stored as a string.
2268		2631
2269	=item $ob = cf::object::deref ($refstring)	2632	=item $ob = cf::object::deref ($refstring)
2270		2633
2271	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2634	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2272	even if the object actually exists. May block.	2635	even if the object actually exists. May block.
…		…
2274	=cut	2637	=cut
2275		2638
2276	sub deref {	2639	sub deref {
2277	my ($ref) = @_;	2640	my ($ref) = @_;
2278		2641
2279	# temporary compatibility#TODO#remove
2280	$ref =~ s{^<}{player/<};
2281
2282	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2642	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2283	my ($uuid, $name) = ($1, $2);	2643	my ($uuid, $name) = ($1, $2);
2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2644	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2285	or return;	2645	or return;
2286	$pl->ob->uuid eq $uuid	2646	$pl->ob->uuid eq $uuid
2287	or return;	2647	or return;
…		…
2307	can be C<undef>. Does the right thing when the player is currently in a	2667	can be C<undef>. Does the right thing when the player is currently in a
2308	dialogue with the given NPC character.	2668	dialogue with the given NPC character.
2309		2669
2310	=cut	2670	=cut
2311		2671
		2672	our $SAY_CHANNEL = {
		2673	id => "say",
		2674	title => "Map",
		2675	reply => "say ",
		2676	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2677	};
		2678
		2679	our $CHAT_CHANNEL = {
		2680	id => "chat",
		2681	title => "Chat",
		2682	reply => "chat ",
		2683	tooltip => "Player chat and shouts, global to the server.",
		2684	};
		2685
2312	# rough implementation of a future "reply" method that works	2686	# rough implementation of a future "reply" method that works
2313	# with dialog boxes.	2687	# with dialog boxes.
2314	#TODO: the first argument must go, split into a $npc->reply_to ( method	2688	#TODO: the first argument must go, split into a $npc->reply_to ( method
2315	sub cf::object::player::reply($$$;$) {	2689	sub cf::object::player::reply($$$;$) {
2316	my ($self, $npc, $msg, $flags) = @_;	2690	my ($self, $npc, $msg, $flags) = @_;
…		…
2327	my $dialog = $pl->{npc_dialog};	2701	my $dialog = $pl->{npc_dialog};
2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2702	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2329		2703
2330	} else {	2704	} else {
2331	$msg = $npc->name . " says: $msg" if $npc;	2705	$msg = $npc->name . " says: $msg" if $npc;
2332	$self->message ($msg, $flags);	2706	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2333	}	2707	}
2334	}	2708	}
2335	}	2709	}
2336		2710
2337	=item $object->send_msg ($channel, $msg, $color, [extra...])	2711	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2362		2736
2363	=item $player_object->enter_link	2737	=item $player_object->enter_link
2364		2738
2365	Freezes the player and moves him/her to a special map (C<{link}>).	2739	Freezes the player and moves him/her to a special map (C<{link}>).
2366		2740
2367	The player should be reasonably safe there for short amounts of time. You	2741	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.	2742	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2743	though, as the player cannot control the character while it is on the link
		2744	map.
2369		2745
2370	Will never block.	2746	Will never block.
2371		2747
2372	=item $player_object->leave_link ($map, $x, $y)	2748	=item $player_object->leave_link ($map, $x, $y)
2373		2749
…		…
2393	sub cf::object::player::enter_link {	2769	sub cf::object::player::enter_link {
2394	my ($self) = @_;	2770	my ($self) = @_;
2395		2771
2396	$self->deactivate_recursive;	2772	$self->deactivate_recursive;
2397		2773
		2774	++$self->{_link_recursion};
		2775
2398	return if UNIVERSAL::isa $self->map, "ext::map_link";	2776	return if UNIVERSAL::isa $self->map, "ext::map_link";
2399		2777
2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2401	if $self->map && $self->map->{path} ne "{link}";	2779	if $self->map && $self->map->{path} ne "{link}";
2402		2780
2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2781	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2404	}	2782	}
2405		2783
2406	sub cf::object::player::leave_link {	2784	sub cf::object::player::leave_link {
2407	my ($self, $map, $x, $y) = @_;	2785	my ($self, $map, $x, $y) = @_;
2408		2786
…		…
2425	($x, $y) = (-1, -1)	2803	($x, $y) = (-1, -1)
2426	unless (defined $x) && (defined $y);	2804	unless (defined $x) && (defined $y);
2427		2805
2428	# use -1 or undef as default coordinates, not 0, 0	2806	# use -1 or undef as default coordinates, not 0, 0
2429	($x, $y) = ($map->enter_x, $map->enter_y)	2807	($x, $y) = ($map->enter_x, $map->enter_y)
2430	if $x <=0 && $y <= 0;	2808	if $x <= 0 && $y <= 0;
2431		2809
2432	$map->load;	2810	$map->load;
2433	$map->load_neighbours;
2434		2811
2435	return unless $self->contr->active;	2812	return unless $self->contr->active;
2436	$self->activate_recursive;
2437		2813
2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2814	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2439	$self->enter_map ($map, $x, $y);	2815	if ($self->enter_map ($map, $x, $y)) {
2440	}	2816	# entering was successful
		2817	delete $self->{_link_recursion};
		2818	# only activate afterwards, to support waiting in hooks
		2819	$self->activate_recursive;
		2820	}
2441		2821
		2822	}
		2823
2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2824	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2443		2825
2444	Moves the player to the given map-path and coordinates by first freezing	2826	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	2827	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	2828	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	2829	the new (success) or old (failed) map position. In either case, $done will
2448	be called at the end of this process.	2830	be called at the end of this process.
2449		2831
		2832	Note that $check will be called with a potentially non-loaded map, so if
		2833	it needs a loaded map it has to call C<< ->load >>.
		2834
2450	=cut	2835	=cut
2451		2836
2452	our $GOTOGEN;	2837	our $GOTOGEN;
2453		2838
2454	sub cf::object::player::goto {	2839	sub cf::object::player::goto {
2455	my ($self, $path, $x, $y, $check, $done) = @_;	2840	my ($self, $path, $x, $y, $check, $done) = @_;
2456		2841
		2842	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2843	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2844	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2845	($path, $x, $y) = @$EMERGENCY_POSITION;
		2846	}
		2847
2457	# do generation counting so two concurrent goto's will be executed in-order	2848	# do generation counting so two concurrent goto's will be executed in-order
2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2849	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2459		2850
2460	$self->enter_link;	2851	$self->enter_link;
2461		2852
2462	(async {	2853	(async {
		2854	$Coro::current->{desc} = "player::goto $path $x $y";
		2855
2463	# *tag paths override both path and x|y	2856	# *tag paths override both path and x|y
2464	if ($path =~ /^\*(.*)$/) {	2857	if ($path =~ /^\*(.*)$/) {
2465	if (my @obs = grep $_->map, ext::map_tags::find $1) {	2858	if (my @obs = grep $_->map, ext::map_tags::find $1) {
2466	my $ob = $obs[rand @obs];	2859	my $ob = $obs[rand @obs];
2467		2860
…		…
2478	($path, $x, $y) = (undef, undef, undef);	2871	($path, $x, $y) = (undef, undef, undef);
2479	}	2872	}
2480	}	2873	}
2481		2874
2482	my $map = eval {	2875	my $map = eval {
2483	my $map = defined $path ? cf::map::find $path : undef;	2876	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2484		2877
2485	if ($map) {	2878	if ($map) {
2486	$map = $map->customise_for ($self);	2879	$map = $map->customise_for ($self);
2487	$map = $check->($map) if $check && $map;	2880	$map = $check->($map, $x, $y, $self) if $check && $map;
2488	} else {	2881	} else {
2489	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2882	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2490	}	2883	}
2491		2884
2492	$map	2885	$map
…		…
2500	if ($gen == $self->{_goto_generation}) {	2893	if ($gen == $self->{_goto_generation}) {
2501	delete $self->{_goto_generation};	2894	delete $self->{_goto_generation};
2502	$self->leave_link ($map, $x, $y);	2895	$self->leave_link ($map, $x, $y);
2503	}	2896	}
2504		2897
2505	$done->() if $done;	2898	$done->($self) if $done;
2506	})->prio (1);	2899	})->prio (1);
2507	}	2900	}
2508		2901
2509	=item $player_object->enter_exit ($exit_object)	2902	=item $player_object->enter_exit ($exit_object)
2510		2903
…		…
2530	}	2923	}
2531		2924
2532	sub prepare_random_map {	2925	sub prepare_random_map {
2533	my ($exit) = @_;	2926	my ($exit) = @_;
2534		2927
2535	my $guard = cf::lock_acquire "exit_prepare:$exit";
2536
2537	# all this does is basically replace the /! path by	2928	# all this does is basically replace the /! path by
2538	# a new random map path (?random/...) with a seed	2929	# a new random map path (?random/...) with a seed
2539	# that depends on the exit object	2930	# that depends on the exit object
2540		2931
2541	my $rmp = parse_random_map_params $exit->msg;	2932	my $rmp = parse_random_map_params $exit->msg;
…		…
2543	if ($exit->map) {	2934	if ($exit->map) {
2544	$rmp->{region} = $exit->region->name;	2935	$rmp->{region} = $exit->region->name;
2545	$rmp->{origin_map} = $exit->map->path;	2936	$rmp->{origin_map} = $exit->map->path;
2546	$rmp->{origin_x} = $exit->x;	2937	$rmp->{origin_x} = $exit->x;
2547	$rmp->{origin_y} = $exit->y;	2938	$rmp->{origin_y} = $exit->y;
		2939
		2940	$exit->map->touch;
2548	}	2941	}
2549		2942
2550	$rmp->{random_seed} ||= $exit->random_seed;	2943	$rmp->{random_seed} ||= $exit->random_seed;
2551		2944
2552	my $data = cf::to_json $rmp;	2945	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2553	my $md5 = Digest::MD5::md5_hex $data;	2946	my $md5 = Digest::MD5::md5_hex $data;
2554	my $meta = "$RANDOMDIR/$md5.meta";	2947	my $meta = "$RANDOMDIR/$md5.meta";
2555		2948
2556	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2949	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2557	aio_write $fh, 0, (length $data), $data, 0;	2950	aio_write $fh, 0, (length $data), $data, 0;
2558	undef $fh;	2951	undef $fh;
2559	aio_rename "$meta~", $meta;	2952	aio_rename "$meta~", $meta;
2560		2953
		2954	my $slaying = "?random/$md5";
		2955
		2956	if ($exit->valid) {
2561	$exit->slaying ("?random/$md5");	2957	$exit->slaying ("?random/$md5");
2562	$exit->msg (undef);	2958	$exit->msg (undef);
		2959	}
2563	}	2960	}
2564	}	2961	}
2565		2962
2566	sub cf::object::player::enter_exit {	2963	sub cf::object::player::enter_exit {
2567	my ($self, $exit) = @_;	2964	my ($self, $exit) = @_;
2568		2965
2569	return unless $self->type == cf::PLAYER;	2966	return unless $self->type == cf::PLAYER;
2570		2967
2571	if ($exit->slaying eq "/!") {
2572	#TODO: this should de-fi-ni-te-ly not be a sync-job
2573	# the problem is that $exit might not survive long enough
2574	# so it needs to be done right now, right here
2575	cf::sync_job { prepare_random_map $exit };
2576	}
2577
2578	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2579	my $hp = $exit->stats->hp;
2580	my $sp = $exit->stats->sp;
2581
2582	$self->enter_link;	2968	$self->enter_link;
2583		2969
2584	# if exit is damned, update players death & WoR home-position
2585	$self->contr->savebed ($slaying, $hp, $sp)
2586	if $exit->flag (FLAG_DAMNED);
2587
2588	(async {	2970	(async {
2589	$self->deactivate_recursive; # just to be sure	2971	$Coro::current->{desc} = "enter_exit";
		2972
2590	unless (eval {	2973	unless (eval {
		2974	$self->deactivate_recursive; # just to be sure
		2975
		2976	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2977	my $x = $exit->stats->hp;
		2978	my $y = $exit->stats->sp;
		2979
		2980	# special map handling
		2981	my $slaying = $exit->slaying;
		2982
		2983	# special map handling
		2984	if ($slaying eq "/!") {
		2985	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2986
		2987	prepare_random_map $exit
		2988	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2989
		2990	$map = $exit->slaying;
		2991
		2992	} elsif ($slaying eq '!up') {
		2993	$map = $exit->map->tile_path (cf::TILE_UP);
		2994	$x = $exit->x;
		2995	$y = $exit->y;
		2996
		2997	} elsif ($slaying eq '!down') {
		2998	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2999	$x = $exit->x;
		3000	$y = $exit->y;
		3001	}
		3002
2591	$self->goto ($slaying, $hp, $sp);	3003	$self->goto ($map, $x, $y);
2592		3004
		3005	# if exit is damned, update players death & WoR home-position
		3006	$self->contr->savebed ($map, $x, $y)
		3007	if $exit->flag (cf::FLAG_DAMNED);
		3008
2593	1;	3009	1
2594	}) {	3010	}) {
2595	$self->message ("Something went wrong deep within the crossfire server. "	3011	$self->message ("Something went wrong deep within the deliantra server. "
2596	. "I'll try to bring you back to the map you were before. "	3012	. "I'll try to bring you back to the map you were before. "
2597	. "Please report this to the dungeon master!",	3013	. "Please report this to the dungeon master!",
2598	cf::NDI_UNIQUE | cf::NDI_RED);	3014	cf::NDI_UNIQUE | cf::NDI_RED);
2599		3015
2600	warn "ERROR in enter_exit: $@";	3016	error "ERROR in enter_exit: $@";
2601	$self->leave_link;	3017	$self->leave_link;
2602	}	3018	}
2603	})->prio (1);	3019	})->prio (1);
2604	}	3020	}
2605		3021
…		…
2617	sub cf::client::send_drawinfo {	3033	sub cf::client::send_drawinfo {
2618	my ($self, $text, $flags) = @_;	3034	my ($self, $text, $flags) = @_;
2619		3035
2620	utf8::encode $text;	3036	utf8::encode $text;
2621	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3037	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3038	}
		3039
		3040	=item $client->send_big_packet ($pkt)
		3041
		3042	Like C<send_packet>, but tries to compress large packets, and fragments
		3043	them as required.
		3044
		3045	=cut
		3046
		3047	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3048
		3049	sub cf::client::send_big_packet {
		3050	my ($self, $pkt) = @_;
		3051
		3052	# try lzf for large packets
		3053	$pkt = "lzf " . Compress::LZF::compress $pkt
		3054	if 1024 <= length $pkt and $self->{can_lzf};
		3055
		3056	# split very large packets
		3057	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3058	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3059	$pkt = "frag";
		3060	}
		3061
		3062	$self->send_packet ($pkt);
2622	}	3063	}
2623		3064
2624	=item $client->send_msg ($channel, $msg, $color, [extra...])	3065	=item $client->send_msg ($channel, $msg, $color, [extra...])
2625		3066
2626	Send a drawinfo or msg packet to the client, formatting the msg for the	3067	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2628	the message, with C<log> being the default. If C<$color> is negative, suppress	3069	the message, with C<log> being the default. If C<$color> is negative, suppress
2629	the message unless the client supports the msg packet.	3070	the message unless the client supports the msg packet.
2630		3071
2631	=cut	3072	=cut
2632		3073
		3074	# non-persistent channels (usually the info channel)
2633	our %CHANNEL = (	3075	our %CHANNEL = (
		3076	"c/motd" => {
		3077	id => "infobox",
		3078	title => "MOTD",
		3079	reply => undef,
		3080	tooltip => "The message of the day",
		3081	},
2634	"c/identify" => {	3082	"c/identify" => {
2635	id => "identify",	3083	id => "infobox",
2636	title => "Identify",	3084	title => "Identify",
2637	reply => undef,	3085	reply => undef,
2638	tooltip => "Items recently identified",	3086	tooltip => "Items recently identified",
2639	},	3087	},
2640	"c/examine" => {	3088	"c/examine" => {
2641	id => "examine",	3089	id => "infobox",
2642	title => "Examine",	3090	title => "Examine",
2643	reply => undef,	3091	reply => undef,
2644	tooltip => "Signs and other items you examined",	3092	tooltip => "Signs and other items you examined",
2645	},	3093	},
		3094	"c/shopinfo" => {
		3095	id => "infobox",
		3096	title => "Shop Info",
		3097	reply => undef,
		3098	tooltip => "What your bargaining skill tells you about the shop",
		3099	},
		3100	"c/book" => {
		3101	id => "infobox",
		3102	title => "Book",
		3103	reply => undef,
		3104	tooltip => "The contents of a note or book",
		3105	},
		3106	"c/lookat" => {
		3107	id => "infobox",
		3108	title => "Look",
		3109	reply => undef,
		3110	tooltip => "What you saw there",
		3111	},
		3112	"c/who" => {
		3113	id => "infobox",
		3114	title => "Players",
		3115	reply => undef,
		3116	tooltip => "Shows players who are currently online",
		3117	},
		3118	"c/body" => {
		3119	id => "infobox",
		3120	title => "Body Parts",
		3121	reply => undef,
		3122	tooltip => "Shows which body parts you posess and are available",
		3123	},
		3124	"c/statistics" => {
		3125	id => "infobox",
		3126	title => "Statistics",
		3127	reply => undef,
		3128	tooltip => "Shows your primary statistics",
		3129	},
		3130	"c/skills" => {
		3131	id => "infobox",
		3132	title => "Skills",
		3133	reply => undef,
		3134	tooltip => "Shows your experience per skill and item power",
		3135	},
		3136	"c/shopitems" => {
		3137	id => "infobox",
		3138	title => "Shop Items",
		3139	reply => undef,
		3140	tooltip => "Shows the items currently for sale in this shop",
		3141	},
		3142	"c/resistances" => {
		3143	id => "infobox",
		3144	title => "Resistances",
		3145	reply => undef,
		3146	tooltip => "Shows your resistances",
		3147	},
		3148	"c/pets" => {
		3149	id => "infobox",
		3150	title => "Pets",
		3151	reply => undef,
		3152	tooltip => "Shows information abotu your pets/a specific pet",
		3153	},
		3154	"c/perceiveself" => {
		3155	id => "infobox",
		3156	title => "Perceive Self",
		3157	reply => undef,
		3158	tooltip => "You gained detailed knowledge about yourself",
		3159	},
		3160	"c/uptime" => {
		3161	id => "infobox",
		3162	title => "Uptime",
		3163	reply => undef,
		3164	tooltip => "How long the server has been running since last restart",
		3165	},
		3166	"c/mapinfo" => {
		3167	id => "infobox",
		3168	title => "Map Info",
		3169	reply => undef,
		3170	tooltip => "Information related to the maps",
		3171	},
		3172	"c/party" => {
		3173	id => "party",
		3174	title => "Party",
		3175	reply => "gsay ",
		3176	tooltip => "Messages and chat related to your party",
		3177	},
		3178	"c/death" => {
		3179	id => "death",
		3180	title => "Death",
		3181	reply => undef,
		3182	tooltip => "Reason for and more info about your most recent death",
		3183	},
		3184	"c/say" => $SAY_CHANNEL,
		3185	"c/chat" => $CHAT_CHANNEL,
2646	);	3186	);
2647		3187
2648	sub cf::client::send_msg {	3188	sub cf::client::send_msg {
2649	my ($self, $channel, $msg, $color, @extra) = @_;	3189	my ($self, $channel, $msg, $color, @extra) = @_;
2650		3190
2651	$msg = $self->pl->expand_cfpod ($msg);	3191	$msg = $self->pl->expand_cfpod ($msg)
		3192	unless $color & cf::NDI_VERBATIM;
2652		3193
2653	$color &= cf::NDI_CLIENT_MASK; # just in case...	3194	$color &= cf::NDI_CLIENT_MASK; # just in case...
2654		3195
2655	# check predefined channels, for the benefit of C	3196	# check predefined channels, for the benefit of C
2656	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	3197	if ($CHANNEL{$channel}) {
		3198	$channel = $CHANNEL{$channel};
2657		3199
		3200	$self->ext_msg (channel_info => $channel);
		3201	$channel = $channel->{id};
		3202
2658	if (ref $channel) {	3203	} elsif (ref $channel) {
2659	# send meta info to client, if not yet sent	3204	# send meta info to client, if not yet sent
2660	unless (exists $self->{channel}{$channel->{id}}) {	3205	unless (exists $self->{channel}{$channel->{id}}) {
2661	$self->{channel}{$channel->{id}} = $channel;	3206	$self->{channel}{$channel->{id}} = $channel;
2662	$self->ext_msg (channel_info => $channel)	3207	$self->ext_msg (channel_info => $channel);
2663	if $self->can_msg;
2664	}	3208	}
2665		3209
2666	$channel = $channel->{id};	3210	$channel = $channel->{id};
2667	}	3211	}
2668		3212
2669	return unless @extra || length $msg;	3213	return unless @extra || length $msg;
2670		3214
2671	if ($self->can_msg) {
2672	# default colour, mask it out	3215	# default colour, mask it out
2673	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3216	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2674	if $color & cf::NDI_DEF;	3217	if $color & cf::NDI_DEF;
2675		3218
2676	$self->send_packet ("msg " . $self->{json_coder}->encode (	3219	my $pkt = "msg "
		3220	. $self->{json_coder}->encode (
2677	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3221	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2678	} else {	3222	);
2679	if ($color >= 0) {
2680	# replace some tags by gcfclient-compatible ones
2681	for ($msg) {
2682	1 while
2683	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2684	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2685	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2686	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2687	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2688	}
2689		3223
2690	$color &= cf::NDI_COLOR_MASK;	3224	$self->send_big_packet ($pkt);
2691
2692	utf8::encode $msg;
2693
2694	if (0 && $msg =~ /\[/) {
2695	# COMMAND/INFO
2696	$self->send_packet ("drawextinfo $color 10 8 $msg")
2697	} else {
2698	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2699	$self->send_packet ("drawinfo $color $msg")
2700	}
2701	}
2702	}
2703	}	3225	}
2704		3226
2705	=item $client->ext_msg ($type, @msg)	3227	=item $client->ext_msg ($type, @msg)
2706		3228
2707	Sends an ext event to the client.	3229	Sends an ext event to the client.
…		…
2710		3232
2711	sub cf::client::ext_msg($$@) {	3233	sub cf::client::ext_msg($$@) {
2712	my ($self, $type, @msg) = @_;	3234	my ($self, $type, @msg) = @_;
2713		3235
2714	if ($self->extcmd == 2) {	3236	if ($self->extcmd == 2) {
2715	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3237	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2716	} elsif ($self->extcmd == 1) { # TODO: remove	3238	} elsif ($self->extcmd == 1) { # TODO: remove
2717	push @msg, msgtype => "event_$type";	3239	push @msg, msgtype => "event_$type";
2718	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3240	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2719	}	3241	}
2720	}	3242	}
2721		3243
2722	=item $client->ext_reply ($msgid, @msg)	3244	=item $client->ext_reply ($msgid, @msg)
2723		3245
…		…
2726	=cut	3248	=cut
2727		3249
2728	sub cf::client::ext_reply($$@) {	3250	sub cf::client::ext_reply($$@) {
2729	my ($self, $id, @msg) = @_;	3251	my ($self, $id, @msg) = @_;
2730		3252
2731	if ($self->extcmd == 2) {	3253	return unless $self->extcmd == 2;
		3254
2732	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3255	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2733	} elsif ($self->extcmd == 1) {
2734	#TODO: version 1, remove
2735	unshift @msg, msgtype => "reply", msgid => $id;
2736	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2737	}
2738	}	3256	}
2739		3257
2740	=item $success = $client->query ($flags, "text", \&cb)	3258	=item $success = $client->query ($flags, "text", \&cb)
2741		3259
2742	Queues a query to the client, calling the given callback with	3260	Queues a query to the client, calling the given callback with
…		…
2797	my ($ns, $buf) = @_;	3315	my ($ns, $buf) = @_;
2798		3316
2799	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3317	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2800		3318
2801	if (ref $msg) {	3319	if (ref $msg) {
2802	my ($type, $reply, @payload) =	3320	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2803	"ARRAY" eq ref $msg
2804	? @$msg
2805	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2806		3321
2807	my @reply;	3322	my @reply;
2808		3323
2809	if (my $cb = $EXTICMD{$type}) {	3324	if (my $cb = $EXTICMD{$type}) {
2810	@reply = $cb->($ns, @payload);	3325	@reply = $cb->($ns, @payload);
…		…
2812		3327
2813	$ns->ext_reply ($reply, @reply)	3328	$ns->ext_reply ($reply, @reply)
2814	if $reply;	3329	if $reply;
2815		3330
2816	} else {	3331	} else {
2817	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3332	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2818	}	3333	}
2819		3334
2820	cf::override;	3335	cf::override;
2821	},	3336	},
2822	);	3337	);
…		…
2842		3357
2843	$coro	3358	$coro
2844	}	3359	}
2845		3360
2846	cf::client->attach (	3361	cf::client->attach (
2847	on_destroy => sub {	3362	on_client_destroy => sub {
2848	my ($ns) = @_;	3363	my ($ns) = @_;
2849		3364
2850	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3365	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2851	},	3366	},
2852	);	3367	);
…		…
2868	our $safe_hole = new Safe::Hole;	3383	our $safe_hole = new Safe::Hole;
2869		3384
2870	$SIG{FPE} = 'IGNORE';	3385	$SIG{FPE} = 'IGNORE';
2871		3386
2872	$safe->permit_only (Opcode::opset qw(	3387	$safe->permit_only (Opcode::opset qw(
2873	:base_core :base_mem :base_orig :base_math	3388	:base_core :base_mem :base_orig :base_math :base_loop
2874	grepstart grepwhile mapstart mapwhile	3389	grepstart grepwhile mapstart mapwhile
2875	sort time	3390	sort time
2876	));	3391	));
2877		3392
2878	# here we export the classes and methods available to script code	3393	# here we export the classes and methods available to script code
…		…
2880	=pod	3395	=pod
2881		3396
2882	The following functions and methods are available within a safe environment:	3397	The following functions and methods are available within a safe environment:
2883		3398
2884	cf::object	3399	cf::object
2885	contr pay_amount pay_player map x y force_find force_add	3400	contr pay_amount pay_player map x y force_find force_add destroy
2886	insert remove name archname title slaying race decrease_ob_nr	3401	insert remove name archname title slaying race decrease split
		3402	value
2887		3403
2888	cf::object::player	3404	cf::object::player
2889	player	3405	player
2890		3406
2891	cf::player	3407	cf::player
…		…
2896		3412
2897	=cut	3413	=cut
2898		3414
2899	for (	3415	for (
2900	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3416	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2901	insert remove inv name archname title slaying race	3417	insert remove inv nrof name archname title slaying race
2902	decrease_ob_nr)],	3418	decrease split destroy change_exp value msg lore send_msg)],
2903	["cf::object::player" => qw(player)],	3419	["cf::object::player" => qw(player)],
2904	["cf::player" => qw(peaceful)],	3420	["cf::player" => qw(peaceful send_msg)],
2905	["cf::map" => qw(trigger)],	3421	["cf::map" => qw(trigger)],
2906	) {	3422	) {
2907	no strict 'refs';
2908	my ($pkg, @funs) = @$_;	3423	my ($pkg, @funs) = @$_;
2909	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3424	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2910	for @funs;	3425	for @funs;
2911	}	3426	}
2912		3427
…		…
2927		3442
2928	my $qcode = $code;	3443	my $qcode = $code;
2929	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3444	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2930	$qcode =~ s/\n/\\n/g;	3445	$qcode =~ s/\n/\\n/g;
2931		3446
		3447	%vars = (_dummy => 0) unless %vars;
		3448
		3449	my @res;
2932	local $_;	3450	local $_;
2933	local @safe::cf::_safe_eval_args = values %vars;
2934		3451
2935	my $eval =	3452	my $eval =
2936	"do {\n"	3453	"do {\n"
2937	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3454	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2938	. "#line 0 \"{$qcode}\"\n"	3455	. "#line 0 \"{$qcode}\"\n"
2939	. $code	3456	. $code
2940	. "\n}"	3457	. "\n}"
2941	;	3458	;
2942		3459
		3460	if ($CFG{safe_eval}) {
2943	sub_generation_inc;	3461	sub_generation_inc;
		3462	local @safe::cf::_safe_eval_args = values %vars;
2944	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3463	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2945	sub_generation_inc;	3464	sub_generation_inc;
		3465	} else {
		3466	local @cf::_safe_eval_args = values %vars;
		3467	@res = wantarray ? eval eval : scalar eval $eval;
		3468	}
2946		3469
2947	if ($@) {	3470	if ($@) {
2948	warn "$@";	3471	warn "$@",
2949	warn "while executing safe code '$code'\n";	3472	"while executing safe code '$code'\n",
2950	warn "with arguments " . (join " ", %vars) . "\n";	3473	"with arguments " . (join " ", %vars) . "\n";
2951	}	3474	}
2952		3475
2953	wantarray ? @res : $res[0]	3476	wantarray ? @res : $res[0]
2954	}	3477	}
2955		3478
…		…
2969	=cut	3492	=cut
2970		3493
2971	sub register_script_function {	3494	sub register_script_function {
2972	my ($fun, $cb) = @_;	3495	my ($fun, $cb) = @_;
2973		3496
2974	no strict 'refs';	3497	$fun = "safe::$fun" if $CFG{safe_eval};
2975	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3498	*$fun = $safe_hole->wrap ($cb);
2976	}	3499	}
2977		3500
2978	=back	3501	=back
2979		3502
2980	=cut	3503	=cut
2981		3504
2982	#############################################################################	3505	#############################################################################
2983	# the server's init and main functions	3506	# the server's init and main functions
		3507
		3508	our %FACEHASH; # hash => idx, #d# HACK for http server
2984		3509
2985	sub load_facedata($) {	3510	sub load_facedata($) {
2986	my ($path) = @_;	3511	my ($path) = @_;
2987		3512
2988	# HACK to clear player env face cache, we need some signal framework	3513	# HACK to clear player env face cache, we need some signal framework
2989	# for this (global event?)	3514	# for this (global event?)
2990	%ext::player_env::MUSIC_FACE_CACHE = ();	3515	%ext::player_env::MUSIC_FACE_CACHE = ();
2991		3516
2992	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3517	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2993		3518
2994	warn "loading facedata from $path\n";	3519	trace "loading facedata from $path\n";
2995		3520
2996	my $facedata;	3521	my $facedata = decode_storable load_file $path;
2997	0 < aio_load $path, $facedata
2998	or die "$path: $!";
2999
3000	$facedata = Coro::Storable::thaw $facedata;
3001		3522
3002	$facedata->{version} == 2	3523	$facedata->{version} == 2
3003	or cf::cleanup "$path: version mismatch, cannot proceed.";	3524	or cf::cleanup "$path: version mismatch, cannot proceed.";
3004		3525
3005	# patch in the exptable	3526	# patch in the exptable
		3527	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3006	$facedata->{resource}{"res/exp_table"} = {	3528	$facedata->{resource}{"res/exp_table"} = {
3007	type => FT_RSRC,	3529	type => FT_RSRC,
3008	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3530	data => $exp_table,
		3531	hash => (Digest::MD5::md5 $exp_table),
3009	};	3532	};
3010	cf::cede_to_tick;	3533	cf::cede_to_tick;
3011		3534
3012	{	3535	{
3013	my $faces = $facedata->{faceinfo};	3536	my $faces = $facedata->{faceinfo};
3014		3537
3015	while (my ($face, $info) = each %$faces) {	3538	for my $face (sort keys %$faces) {
		3539	my $info = $faces->{$face};
3016	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3540	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3541
3017	cf::face::set_visibility $idx, $info->{visibility};	3542	cf::face::set_visibility $idx, $info->{visibility};
3018	cf::face::set_magicmap $idx, $info->{magicmap};	3543	cf::face::set_magicmap $idx, $info->{magicmap};
3019	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3544	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3020	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3545	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3546	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3547	$FACEHASH{$info->{hash64}} = $idx;#d#
3021		3548
3022	cf::cede_to_tick;	3549	cf::cede_to_tick;
3023	}	3550	}
3024		3551
3025	while (my ($face, $info) = each %$faces) {	3552	while (my ($face, $info) = each %$faces) {
3026	next unless $info->{smooth};	3553	next unless $info->{smooth};
		3554
3027	my $idx = cf::face::find $face	3555	my $idx = cf::face::find $face
3028	or next;	3556	or next;
		3557
3029	if (my $smooth = cf::face::find $info->{smooth}) {	3558	if (my $smooth = cf::face::find $info->{smooth}) {
3030	cf::face::set_smooth $idx, $smooth;	3559	cf::face::set_smooth $idx, $smooth;
3031	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3560	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3032	} else {	3561	} else {
3033	warn "smooth face '$info->{smooth}' not found for face '$face'";	3562	error "smooth face '$info->{smooth}' not found for face '$face'";
3034	}	3563	}
3035		3564
3036	cf::cede_to_tick;	3565	cf::cede_to_tick;
3037	}	3566	}
3038	}	3567	}
…		…
3047		3576
3048	cf::anim::invalidate_all; # d'oh	3577	cf::anim::invalidate_all; # d'oh
3049	}	3578	}
3050		3579
3051	{	3580	{
3052	# TODO: for gcfclient pleasure, we should give resources
3053	# that gcfclient doesn't grok a >10000 face index.
3054	my $res = $facedata->{resource};	3581	my $res = $facedata->{resource};
3055		3582
3056	my $soundconf = delete $res->{"res/sound.conf"};
3057
3058	while (my ($name, $info) = each %$res) {	3583	while (my ($name, $info) = each %$res) {
		3584	if (defined (my $type = $info->{type})) {
		3585	# TODO: different hash - must free and use new index, or cache ixface data queue
3059	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3586	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3060	my $data;
3061		3587
3062	if ($info->{type} & 1) {	3588	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3063	# prepend meta info	3589	cf::face::set_type $idx, $type;
3064		3590	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
3065	my $meta = $enc->encode ({	3591	$FACEHASH{$info->{hash}} = $idx;#d#
3066	name => $name,
3067	%{ $info->{meta} || {} },
3068	});
3069
3070	$data = pack "(w/a*)*", $meta, $info->{data};
3071	} else {	3592	} else {
3072	$data = $info->{data};	3593	# $RESOURCE{$name} = $info; # unused
3073	}	3594	}
3074		3595
3075	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3076	cf::face::set_type $idx, $info->{type};
3077
3078	cf::cede_to_tick;	3596	cf::cede_to_tick;
3079	}	3597	}
3080
3081	if ($soundconf) {
3082	$soundconf = $enc->decode (delete $soundconf->{data});
3083
3084	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3085	my $sound = $soundconf->{compat}[$_]
3086	or next;
3087
3088	my $face = cf::face::find "sound/$sound->[1]";
3089	cf::sound::set $sound->[0] => $face;
3090	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3091	}
3092
3093	while (my ($k, $v) = each %{$soundconf->{event}}) {
3094	my $face = cf::face::find "sound/$v";
3095	cf::sound::set $k => $face;
3096	}
3097	}
3098	}	3598	}
		3599
		3600	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3099		3601
3100	1	3602	1
3101	}	3603	}
3102		3604
3103	register_exticmd fx_want => sub {	3605	register_exticmd fx_want => sub {
…		…
3105		3607
3106	while (my ($k, $v) = each %$want) {	3608	while (my ($k, $v) = each %$want) {
3107	$ns->fx_want ($k, $v);	3609	$ns->fx_want ($k, $v);
3108	}	3610	}
3109	};	3611	};
		3612
		3613	sub load_resource_file($) {
		3614	my $guard = lock_acquire "load_resource_file";
		3615
		3616	my $status = load_resource_file_ $_[0];
		3617	get_slot 0.1, 100;
		3618	cf::arch::commit_load;
		3619
		3620	$status
		3621	}
3110		3622
3111	sub reload_regions {	3623	sub reload_regions {
3112	# HACK to clear player env face cache, we need some signal framework	3624	# HACK to clear player env face cache, we need some signal framework
3113	# for this (global event?)	3625	# for this (global event?)
3114	%ext::player_env::MUSIC_FACE_CACHE = ();	3626	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3128	}	3640	}
3129		3641
3130	sub reload_archetypes {	3642	sub reload_archetypes {
3131	load_resource_file "$DATADIR/archetypes"	3643	load_resource_file "$DATADIR/archetypes"
3132	or die "unable to load archetypes\n";	3644	or die "unable to load archetypes\n";
3133	#d# NEED to laod twice to resolve forward references
3134	# this really needs to be done in an extra post-pass
3135	# (which needs to be synchronous, so solve it differently)
3136	load_resource_file "$DATADIR/archetypes"
3137	or die "unable to load archetypes\n";
3138	}	3645	}
3139		3646
3140	sub reload_treasures {	3647	sub reload_treasures {
3141	load_resource_file "$DATADIR/treasures"	3648	load_resource_file "$DATADIR/treasures"
3142	or die "unable to load treasurelists\n";	3649	or die "unable to load treasurelists\n";
3143	}	3650	}
3144		3651
		3652	sub reload_sound {
		3653	trace "loading sound config from $DATADIR/sound\n";
		3654
		3655	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3656
		3657	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3658	my $sound = $soundconf->{compat}[$_]
		3659	or next;
		3660
		3661	my $face = cf::face::find "sound/$sound->[1]";
		3662	cf::sound::set $sound->[0] => $face;
		3663	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3664	}
		3665
		3666	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3667	my $face = cf::face::find "sound/$v";
		3668	cf::sound::set $k => $face;
		3669	}
		3670	}
		3671
3145	sub reload_resources {	3672	sub reload_resources {
3146	warn "reloading resource files...\n";	3673	trace "reloading resource files...\n";
3147		3674
		3675	reload_exp_table;
		3676	reload_materials;
		3677	reload_facedata;
		3678	reload_sound;
		3679	reload_archetypes;
3148	reload_regions;	3680	reload_regions;
3149	reload_facedata;
3150	#reload_archetypes;#d#
3151	reload_archetypes;
3152	reload_treasures;	3681	reload_treasures;
3153		3682
3154	warn "finished reloading resource files\n";	3683	trace "finished reloading resource files\n";
3155	}
3156
3157	sub init {
3158	reload_resources;
3159	}	3684	}
3160		3685
3161	sub reload_config {	3686	sub reload_config {
3162	open my $fh, "<:utf8", "$CONFDIR/config"	3687	trace "reloading config file...\n";
3163	or return;
3164		3688
3165	local $/;	3689	my $config = load_file "$CONFDIR/config";
3166	*CFG = YAML::Syck::Load <$fh>;	3690	utf8::decode $config;
		3691	*CFG = decode_yaml $config;
3167		3692
3168	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3693	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3169		3694
3170	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3695	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3171	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3696	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3172		3697
3173	if (exists $CFG{mlockall}) {	3698	if (exists $CFG{mlockall}) {
…		…
3177	};	3702	};
3178	warn $@ if $@;	3703	warn $@ if $@;
3179	}	3704	}
3180	}	3705	}
3181		3706
		3707	sub pidfile() {
		3708	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3709	or die "$PIDFILE: $!";
		3710	flock $fh, &Fcntl::LOCK_EX
		3711	or die "$PIDFILE: flock: $!";
		3712	$fh
		3713	}
		3714
		3715	# make sure only one server instance is running at any one time
		3716	sub atomic {
		3717	my $fh = pidfile;
		3718
		3719	my $pid = <$fh>;
		3720	kill 9, $pid if $pid > 0;
		3721
		3722	seek $fh, 0, 0;
		3723	print $fh $$;
		3724	}
		3725
		3726	sub main_loop {
		3727	trace "EV::loop starting\n";
		3728	if (1) {
		3729	EV::loop;
		3730	}
		3731	trace "EV::loop returned\n";
		3732	goto &main_loop unless $REALLY_UNLOOP;
		3733	}
		3734
3182	sub main {	3735	sub main {
		3736	cf::init_globals; # initialise logging
		3737
		3738	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3739	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3740	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3741	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3742
		3743	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3744
3183	# we must not ever block the main coroutine	3745	# we must not ever block the main coroutine
3184	local $Coro::idle = sub {	3746	local $Coro::idle = sub {
3185	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3747	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3186	(async {	3748	(async {
3187	Event::one_event;	3749	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3750	EV::loop EV::LOOP_ONESHOT;
3188	})->prio (Coro::PRIO_MAX);	3751	})->prio (Coro::PRIO_MAX);
3189	};	3752	};
3190		3753
		3754	evthread_start IO::AIO::poll_fileno;
		3755
		3756	cf::sync_job {
		3757	cf::incloader::init ();
		3758
		3759	cf::init_anim;
		3760	cf::init_attackmess;
		3761	cf::init_dynamic;
		3762
		3763	cf::load_settings;
		3764
		3765	reload_resources;
3191	reload_config;	3766	reload_config;
3192	db_init;	3767	db_init;
		3768
		3769	cf::init_uuid;
		3770	cf::init_signals;
		3771	cf::init_skills;
		3772
		3773	cf::init_beforeplay;
		3774
		3775	atomic;
		3776
3193	load_extensions;	3777	load_extensions;
3194		3778
3195	$TICK_WATCHER->start;	3779	utime time, time, $RUNTIMEFILE;
3196	Event::loop;	3780
		3781	# no (long-running) fork's whatsoever before this point(!)
		3782	use POSIX ();
		3783	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3784
		3785	cf::_post_init 0;
		3786	};
		3787
		3788	cf::object::thawer::errors_are_fatal 0;
		3789	info "parse errors in files are no longer fatal from this point on.\n";
		3790
		3791	AE::postpone {
		3792	undef &main; # free gobs of memory :)
		3793	};
		3794
		3795	goto &main_loop;
3197	}	3796	}
3198		3797
3199	#############################################################################	3798	#############################################################################
3200	# initialisation and cleanup	3799	# initialisation and cleanup
3201		3800
3202	# install some emergency cleanup handlers	3801	# install some emergency cleanup handlers
3203	BEGIN {	3802	BEGIN {
		3803	our %SIGWATCHER = ();
3204	for my $signal (qw(INT HUP TERM)) {	3804	for my $signal (qw(INT HUP TERM)) {
3205	Event->signal (	3805	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3206	reentrant => 0,
3207	data => WF_AUTOCANCEL,
3208	signal => $signal,
3209	prio => 0,
3210	cb => sub {
3211	cf::cleanup "SIG$signal";	3806	cf::cleanup "SIG$signal";
3212	},
3213	);	3807	};
3214	}	3808	}
3215	}	3809	}
3216		3810
3217	sub write_runtime {	3811	sub write_runtime_sync {
3218	my $runtime = "$LOCALDIR/runtime";	3812	my $t0 = AE::time;
3219		3813
3220	# first touch the runtime file to show we are still running:	3814	# first touch the runtime file to show we are still running:
3221	# the fsync below can take a very very long time.	3815	# the fsync below can take a very very long time.
3222		3816
3223	IO::AIO::aio_utime $runtime, undef, undef;	3817	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3224		3818
3225	my $guard = cf::lock_acquire "write_runtime";	3819	my $guard = cf::lock_acquire "write_runtime";
3226		3820
3227	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3821	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3228	or return;	3822	or return;
3229		3823
3230	my $value = $cf::RUNTIME + 90 + 10;	3824	my $value = $cf::RUNTIME + 90 + 10;
3231	# 10 is the runtime save interval, for a monotonic clock	3825	# 10 is the runtime save interval, for a monotonic clock
3232	# 60 allows for the watchdog to kill the server.	3826	# 60 allows for the watchdog to kill the server.
…		…
3242	aio_utime $fh, undef, undef;	3836	aio_utime $fh, undef, undef;
3243		3837
3244	close $fh	3838	close $fh
3245	or return;	3839	or return;
3246		3840
3247	aio_rename "$runtime~", $runtime	3841	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3248	and return;	3842	and return;
3249		3843
3250	warn "runtime file written.\n";	3844	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3251		3845
3252	1	3846	1
		3847	}
		3848
		3849	our $uuid_lock;
		3850	our $uuid_skip;
		3851
		3852	sub write_uuid_sync($) {
		3853	$uuid_skip ||= $_[0];
		3854
		3855	return if $uuid_lock;
		3856	local $uuid_lock = 1;
		3857
		3858	my $uuid = "$LOCALDIR/uuid";
		3859
		3860	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3861	or return;
		3862
		3863	my $value = uuid_seq uuid_cur;
		3864
		3865	unless ($value) {
		3866	info "cowardly refusing to write zero uuid value!\n";
		3867	return;
		3868	}
		3869
		3870	my $value = uuid_str $value + $uuid_skip;
		3871	$uuid_skip = 0;
		3872
		3873	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3874	and return;
		3875
		3876	# always fsync - this file is important
		3877	aio_fsync $fh
		3878	and return;
		3879
		3880	close $fh
		3881	or return;
		3882
		3883	aio_rename "$uuid~", $uuid
		3884	and return;
		3885
		3886	trace "uuid file written ($value).\n";
		3887
		3888	1
		3889
		3890	}
		3891
		3892	sub write_uuid($$) {
		3893	my ($skip, $sync) = @_;
		3894
		3895	$sync ? write_uuid_sync $skip
		3896	: async { write_uuid_sync $skip };
3253	}	3897	}
3254		3898
3255	sub emergency_save() {	3899	sub emergency_save() {
3256	my $freeze_guard = cf::freeze_mainloop;	3900	my $freeze_guard = cf::freeze_mainloop;
3257		3901
3258	warn "enter emergency perl save\n";	3902	info "emergency_perl_save: enter\n";
		3903
		3904	# this is a trade-off: we want to be very quick here, so
		3905	# save all maps without fsync, and later call a global sync
		3906	# (which in turn might be very very slow)
		3907	local $USE_FSYNC = 0;
3259		3908
3260	cf::sync_job {	3909	cf::sync_job {
		3910	cf::write_runtime_sync; # external watchdog should not bark
		3911
3261	# use a peculiar iteration method to avoid tripping on perl	3912	# use a peculiar iteration method to avoid tripping on perl
3262	# refcount bugs in for. also avoids problems with players	3913	# refcount bugs in for. also avoids problems with players
3263	# and maps saved/destroyed asynchronously.	3914	# and maps saved/destroyed asynchronously.
3264	warn "begin emergency player save\n";	3915	info "emergency_perl_save: begin player save\n";
3265	for my $login (keys %cf::PLAYER) {	3916	for my $login (keys %cf::PLAYER) {
3266	my $pl = $cf::PLAYER{$login} or next;	3917	my $pl = $cf::PLAYER{$login} or next;
3267	$pl->valid or next;	3918	$pl->valid or next;
		3919	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3268	$pl->save;	3920	$pl->save;
3269	}	3921	}
3270	warn "end emergency player save\n";	3922	info "emergency_perl_save: end player save\n";
3271		3923
3272	warn "begin emergency map save\n";	3924	cf::write_runtime_sync; # external watchdog should not bark
		3925
		3926	info "emergency_perl_save: begin map save\n";
3273	for my $path (keys %cf::MAP) {	3927	for my $path (keys %cf::MAP) {
3274	my $map = $cf::MAP{$path} or next;	3928	my $map = $cf::MAP{$path} or next;
3275	$map->valid or next;	3929	$map->valid or next;
3276	$map->save;	3930	$map->save;
3277	}	3931	}
3278	warn "end emergency map save\n";	3932	info "emergency_perl_save: end map save\n";
3279		3933
3280	warn "begin emergency database checkpoint\n";	3934	cf::write_runtime_sync; # external watchdog should not bark
		3935
		3936	info "emergency_perl_save: begin database checkpoint\n";
3281	BDB::db_env_txn_checkpoint $DB_ENV;	3937	BDB::db_env_txn_checkpoint $DB_ENV;
3282	warn "end emergency database checkpoint\n";	3938	info "emergency_perl_save: end database checkpoint\n";
		3939
		3940	info "emergency_perl_save: begin write uuid\n";
		3941	write_uuid_sync 1;
		3942	info "emergency_perl_save: end write uuid\n";
		3943
		3944	cf::write_runtime_sync; # external watchdog should not bark
		3945
		3946	trace "emergency_perl_save: syncing database to disk";
		3947	BDB::db_env_txn_checkpoint $DB_ENV;
		3948
		3949	info "emergency_perl_save: starting sync\n";
		3950	IO::AIO::aio_sync sub {
		3951	info "emergency_perl_save: finished sync\n";
		3952	};
		3953
		3954	cf::write_runtime_sync; # external watchdog should not bark
		3955
		3956	trace "emergency_perl_save: flushing outstanding aio requests";
		3957	while (IO::AIO::nreqs || BDB::nreqs) {
		3958	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3959	}
		3960
		3961	cf::write_runtime_sync; # external watchdog should not bark
3283	};	3962	};
3284		3963
3285	warn "leave emergency perl save\n";	3964	info "emergency_perl_save: leave\n";
3286	}	3965	}
3287		3966
3288	sub post_cleanup {	3967	sub post_cleanup {
3289	my ($make_core) = @_;	3968	my ($make_core) = @_;
3290		3969
		3970	IO::AIO::flush;
		3971
3291	warn Carp::longmess "post_cleanup backtrace"	3972	error Carp::longmess "post_cleanup backtrace"
3292	if $make_core;	3973	if $make_core;
		3974
		3975	my $fh = pidfile;
		3976	unlink $PIDFILE if <$fh> == $$;
		3977	}
		3978
		3979	# a safer delete_package, copied from Symbol
		3980	sub clear_package($) {
		3981	my $pkg = shift;
		3982
		3983	# expand to full symbol table name if needed
		3984	unless ($pkg =~ /^main::.*::$/) {
		3985	$pkg = "main$pkg" if $pkg =~ /^::/;
		3986	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3987	$pkg .= '::' unless $pkg =~ /::$/;
		3988	}
		3989
		3990	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3991	my $stem_symtab = *{$stem}{HASH};
		3992
		3993	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3994	or return;
		3995
		3996	# clear all symbols
		3997	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3998	for my $name (keys %$leaf_symtab) {
		3999	_gv_clear *{"$pkg$name"};
		4000	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4001	}
3293	}	4002	}
3294		4003
3295	sub do_reload_perl() {	4004	sub do_reload_perl() {
3296	# can/must only be called in main	4005	# can/must only be called in main
3297	if ($Coro::current != $Coro::main) {	4006	unless (in_main) {
3298	warn "can only reload from main coroutine";	4007	error "can only reload from main coroutine";
3299	return;	4008	return;
3300	}	4009	}
3301		4010
3302	warn "reloading...";	4011	return if $RELOAD++;
3303		4012
3304	warn "entering sync_job";	4013	my $t1 = AE::time;
3305		4014
		4015	while ($RELOAD) {
		4016	cf::get_slot 0.1, -1, "reload_perl";
		4017	info "perl_reload: reloading...";
		4018
		4019	trace "perl_reload: entering sync_job";
		4020
3306	cf::sync_job {	4021	cf::sync_job {
3307	cf::write_runtime; # external watchdog should not bark
3308	cf::emergency_save;	4022	#cf::emergency_save;
3309	cf::write_runtime; # external watchdog should not bark
3310		4023
3311	warn "syncing database to disk";
3312	BDB::db_env_txn_checkpoint $DB_ENV;
3313
3314	# if anything goes wrong in here, we should simply crash as we already saved
3315
3316	warn "cancelling all WF_AUTOCANCEL watchers";
3317	for (Event::all_watchers) {
3318	$_->cancel if $_->data & WF_AUTOCANCEL;
3319	}
3320
3321	warn "flushing outstanding aio requests";
3322	for (;;) {
3323	BDB::flush;
3324	IO::AIO::flush;
3325	Coro::cede;
3326	last unless IO::AIO::nreqs || BDB::nreqs;
3327	warn "iterate...";
3328	}
3329
3330	++$RELOAD;
3331
3332	warn "cancelling all extension coros";	4024	trace "perl_reload: cancelling all extension coros";
3333	$_->cancel for values %EXT_CORO;	4025	$_->cancel for values %EXT_CORO;
3334	%EXT_CORO = ();	4026	%EXT_CORO = ();
3335		4027
3336	warn "removing commands";	4028	trace "perl_reload: removing commands";
3337	%COMMAND = ();	4029	%COMMAND = ();
3338		4030
3339	warn "removing ext/exti commands";	4031	trace "perl_reload: removing ext/exti commands";
3340	%EXTCMD = ();	4032	%EXTCMD = ();
3341	%EXTICMD = ();	4033	%EXTICMD = ();
3342		4034
3343	warn "unloading/nuking all extensions";	4035	trace "perl_reload: unloading/nuking all extensions";
3344	for my $pkg (@EXTS) {	4036	for my $pkg (@EXTS) {
3345	warn "... unloading $pkg";	4037	trace "... unloading $pkg";
3346		4038
3347	if (my $cb = $pkg->can ("unload")) {	4039	if (my $cb = $pkg->can ("unload")) {
3348	eval {	4040	eval {
3349	$cb->($pkg);	4041	$cb->($pkg);
3350	1	4042	1
3351	} or warn "$pkg unloaded, but with errors: $@";	4043	} or error "$pkg unloaded, but with errors: $@";
		4044	}
		4045
		4046	trace "... clearing $pkg";
		4047	clear_package $pkg;
3352	}	4048	}
3353		4049
3354	warn "... nuking $pkg";
3355	Symbol::delete_package $pkg;
3356	}
3357
3358	warn "unloading all perl modules loaded from $LIBDIR";	4050	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3359	while (my ($k, $v) = each %INC) {	4051	while (my ($k, $v) = each %INC) {
3360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4052	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3361		4053
3362	warn "... unloading $k";	4054	trace "... unloading $k";
3363	delete $INC{$k};	4055	delete $INC{$k};
3364		4056
3365	$k =~ s/\.pm$//;	4057	$k =~ s/\.pm$//;
3366	$k =~ s/\//::/g;	4058	$k =~ s/\//::/g;
3367		4059
3368	if (my $cb = $k->can ("unload_module")) {	4060	if (my $cb = $k->can ("unload_module")) {
3369	$cb->();	4061	$cb->();
		4062	}
		4063
		4064	clear_package $k;
3370	}	4065	}
3371		4066
3372	Symbol::delete_package $k;
3373	}
3374
3375	warn "getting rid of safe::, as good as possible";	4067	trace "perl_reload: getting rid of safe::, as good as possible";
3376	Symbol::delete_package "safe::$_"	4068	clear_package "safe::$_"
3377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4069	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3378		4070
3379	warn "unloading cf.pm \"a bit\"";	4071	trace "perl_reload: unloading cf.pm \"a bit\"";
3380	delete $INC{"cf.pm"};	4072	delete $INC{"cf.pm"};
3381	delete $INC{"cf/pod.pm"};	4073	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3382		4074
3383	# don't, removes xs symbols, too,	4075	# don't, removes xs symbols, too,
3384	# and global variables created in xs	4076	# and global variables created in xs
3385	#Symbol::delete_package __PACKAGE__;	4077	#clear_package __PACKAGE__;
3386		4078
3387	warn "unload completed, starting to reload now";	4079	info "perl_reload: unload completed, starting to reload now";
3388		4080
3389	warn "reloading cf.pm";	4081	trace "perl_reload: reloading cf.pm";
3390	require cf;	4082	require cf;
3391	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4083	cf::_connect_to_perl_1;
3392		4084
3393	warn "loading config and database again";	4085	trace "perl_reload: loading config and database again";
3394	cf::reload_config;	4086	cf::reload_config;
3395		4087
3396	warn "loading extensions";	4088	trace "perl_reload: loading extensions";
3397	cf::load_extensions;	4089	cf::load_extensions;
3398		4090
		4091	if ($REATTACH_ON_RELOAD) {
3399	warn "reattaching attachments to objects/players";	4092	trace "perl_reload: reattaching attachments to objects/players";
3400	_global_reattach; # objects, sockets	4093	_global_reattach; # objects, sockets
3401	warn "reattaching attachments to maps";	4094	trace "perl_reload: reattaching attachments to maps";
3402	reattach $_ for values %MAP;	4095	reattach $_ for values %MAP;
3403	warn "reattaching attachments to players";	4096	trace "perl_reload: reattaching attachments to players";
3404	reattach $_ for values %PLAYER;	4097	reattach $_ for values %PLAYER;
		4098	}
3405		4099
3406	warn "leaving sync_job";	4100	cf::_post_init 1;
3407		4101
		4102	trace "perl_reload: leaving sync_job";
		4103
3408	1	4104	1
3409	} or do {	4105	} or do {
3410	warn $@;	4106	error $@;
3411	warn "error while reloading, exiting.";	4107	cf::cleanup "perl_reload: error, exiting.";
3412	exit 1;	4108	};
		4109
		4110	--$RELOAD;
3413	};	4111	}
3414		4112
3415	warn "reloaded";	4113	$t1 = AE::time - $t1;
		4114	info "perl_reload: completed in ${t1}s\n";
3416	};	4115	};
3417		4116
3418	our $RELOAD_WATCHER; # used only during reload	4117	our $RELOAD_WATCHER; # used only during reload
3419		4118
3420	sub reload_perl() {	4119	sub reload_perl() {
3421	# doing reload synchronously and two reloads happen back-to-back,	4120	# doing reload synchronously and two reloads happen back-to-back,
3422	# coro crashes during coro_state_free->destroy here.	4121	# coro crashes during coro_state_free->destroy here.
3423		4122
3424	$RELOAD_WATCHER ||= Event->timer (	4123	$RELOAD_WATCHER ||= cf::async {
3425	reentrant => 0,	4124	Coro::AIO::aio_wait cache_extensions;
3426	after => 0,	4125
3427	data => WF_AUTOCANCEL,	4126	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3428	cb => sub {
3429	do_reload_perl;	4127	do_reload_perl;
3430	undef $RELOAD_WATCHER;	4128	undef $RELOAD_WATCHER;
3431	},	4129	};
3432	);	4130	};
3433	}	4131	}
3434		4132
3435	register_command "reload" => sub {	4133	register_command "reload" => sub {
3436	my ($who, $arg) = @_;	4134	my ($who, $arg) = @_;
3437		4135
3438	if ($who->flag (FLAG_WIZ)) {	4136	if ($who->flag (FLAG_WIZ)) {
3439	$who->message ("reloading server.");	4137	$who->message ("reloading server.");
		4138	async {
		4139	$Coro::current->{desc} = "perl_reload";
3440	async { reload_perl };	4140	reload_perl;
		4141	};
3441	}	4142	}
3442	};	4143	};
3443		4144
3444	unshift @INC, $LIBDIR;	4145	#############################################################################
3445		4146
3446	my $bug_warning = 0;	4147	my $bug_warning = 0;
3447		4148
3448	our @WAIT_FOR_TICK;
3449	our @WAIT_FOR_TICK_BEGIN;
3450
3451	sub wait_for_tick {	4149	sub wait_for_tick() {
3452	return unless $TICK_WATCHER->is_active;	4150	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3453	return if $Coro::current == $Coro::main;
3454		4151
3455	my $signal = new Coro::Signal;	4152	$WAIT_FOR_TICK->wait;
3456	push @WAIT_FOR_TICK, $signal;
3457	$signal->wait;
3458	}	4153	}
3459		4154
3460	sub wait_for_tick_begin {	4155	sub wait_for_tick_begin() {
3461	return unless $TICK_WATCHER->is_active;	4156	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3462	return if $Coro::current == $Coro::main;
3463		4157
3464	my $signal = new Coro::Signal;	4158	my $signal = new Coro::Signal;
3465	push @WAIT_FOR_TICK_BEGIN, $signal;	4159	push @WAIT_FOR_TICK_BEGIN, $signal;
3466	$signal->wait;	4160	$signal->wait;
3467	}	4161	}
3468		4162
3469	$TICK_WATCHER = Event->timer (	4163	sub tick {
3470	reentrant => 0,
3471	parked => 1,
3472	prio => 0,
3473	at => $NEXT_TICK || $TICK,
3474	data => WF_AUTOCANCEL,
3475	cb => sub {
3476	if ($Coro::current != $Coro::main) {	4164	if ($Coro::current != $Coro::main) {
3477	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4165	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3478	unless ++$bug_warning > 10;	4166	unless ++$bug_warning > 10;
3479	return;	4167	return;
3480	}	4168	}
3481		4169
3482	$NOW = $tick_start = Event::time;	4170	cf::one_tick; # one server iteration
3483		4171
3484	cf::server_tick; # one server iteration	4172	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3485		4173
3486	$RUNTIME += $TICK;
3487	$NEXT_TICK += $TICK;
3488
3489	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4174	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3490	$NEXT_RUNTIME_WRITE = $NOW + 10;	4175	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3491	Coro::async_pool {	4176	Coro::async_pool {
		4177	$Coro::current->{desc} = "runtime saver";
3492	write_runtime	4178	write_runtime_sync
3493	or warn "ERROR: unable to write runtime file: $!";	4179	or error "ERROR: unable to write runtime file: $!";
3494	};
3495	}	4180	};
		4181	}
3496		4182
3497	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4183	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3498	$sig->send;	4184	$sig->send;
3499	}	4185	}
3500	while (my $sig = shift @WAIT_FOR_TICK) {	4186	$WAIT_FOR_TICK->broadcast;
3501	$sig->send;
3502	}
3503		4187
3504	$NOW = Event::time;	4188	$LOAD = ($NOW - $TICK_START) / $TICK;
3505
3506	# if we are delayed by four ticks or more, skip them all
3507	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3508
3509	$TICK_WATCHER->at ($NEXT_TICK);
3510	$TICK_WATCHER->start;
3511
3512	$LOAD = ($NOW - $tick_start) / $TICK;
3513	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4189	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3514		4190
3515	_post_tick;	4191	if (0) {
		4192	if ($NEXT_TICK) {
		4193	my $jitter = $TICK_START - $NEXT_TICK;
		4194	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4195	debug "jitter $JITTER\n";#d#
		4196	}
3516	},	4197	}
3517	);	4198	}
3518		4199
3519	{	4200	{
		4201	# configure BDB
		4202
3520	BDB::min_parallel 8;	4203	BDB::min_parallel 16;
3521	BDB::max_poll_time $TICK * 0.1;	4204	BDB::max_poll_reqs $TICK * 0.1;
3522	$BDB_POLL_WATCHER = Event->io (	4205	#$AnyEvent::BDB::WATCHER->priority (1);
3523	reentrant => 0,
3524	fd => BDB::poll_fileno,
3525	poll => 'r',
3526	prio => 0,
3527	data => WF_AUTOCANCEL,
3528	cb => \&BDB::poll_cb,
3529	);
3530
3531	BDB::set_sync_prepare {
3532	my $status;
3533	my $current = $Coro::current;
3534	(
3535	sub {
3536	$status = $!;
3537	$current->ready; undef $current;
3538	},
3539	sub {
3540	Coro::schedule while defined $current;
3541	$! = $status;
3542	},
3543	)
3544	};
3545		4206
3546	unless ($DB_ENV) {	4207	unless ($DB_ENV) {
3547	$DB_ENV = BDB::db_env_create;	4208	$DB_ENV = BDB::db_env_create;
3548	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4209	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3549	| BDB::LOG_AUTOREMOVE, 1);	4210	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4211	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3550	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4212	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3551	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4213	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3552		4214
3553	cf::sync_job {	4215	cf::sync_job {
3554	eval {	4216	eval {
…		…
3564		4226
3565	cf::cleanup "db_env_open(db): $@" if $@;	4227	cf::cleanup "db_env_open(db): $@" if $@;
3566	};	4228	};
3567	}	4229	}
3568		4230
3569	$BDB_DEADLOCK_WATCHER = Event->timer (	4231	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3570	after => 3,
3571	interval => 1,
3572	hard => 1,
3573	prio => 0,
3574	data => WF_AUTOCANCEL,
3575	cb => sub {
3576	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	4232	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3577	},
3578	);	4233	};
3579	$BDB_CHECKPOINT_WATCHER = Event->timer (	4234	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3580	after => 11,
3581	interval => 60,
3582	hard => 1,
3583	prio => 0,
3584	data => WF_AUTOCANCEL,
3585	cb => sub {
3586	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4235	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3587	},
3588	);	4236	};
3589	$BDB_TRICKLE_WATCHER = Event->timer (	4237	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3590	after => 5,
3591	interval => 10,
3592	hard => 1,
3593	prio => 0,
3594	data => WF_AUTOCANCEL,
3595	cb => sub {
3596	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4238	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3597	},
3598	);	4239	};
3599	}	4240	}
3600		4241
3601	{	4242	{
		4243	# configure IO::AIO
		4244
3602	IO::AIO::min_parallel 8;	4245	IO::AIO::min_parallel 8;
3603
3604	undef $Coro::AIO::WATCHER;
3605	IO::AIO::max_poll_time $TICK * 0.1;	4246	IO::AIO::max_poll_time $TICK * 0.1;
3606	$AIO_POLL_WATCHER = Event->io (	4247	undef $AnyEvent::AIO::WATCHER;
3607	reentrant => 0,
3608	data => WF_AUTOCANCEL,
3609	fd => IO::AIO::poll_fileno,
3610	poll => 'r',
3611	prio => 6,
3612	cb => \&IO::AIO::poll_cb,
3613	);
3614	}	4248	}
3615		4249
3616	my $_log_backtrace;	4250	our $_log_backtrace;
		4251	our $_log_backtrace_last;
3617		4252
3618	sub _log_backtrace {	4253	sub _log_backtrace {
3619	my ($msg, @addr) = @_;	4254	my ($msg, @addr) = @_;
3620		4255
3621	$msg =~ s/\n//;	4256	$msg =~ s/\n$//;
3622		4257
		4258	if ($_log_backtrace_last eq $msg) {
		4259	LOG llevInfo, "[ABT] $msg\n";
		4260	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3623	# limit the # of concurrent backtraces	4261	# limit the # of concurrent backtraces
3624	if ($_log_backtrace < 2) {	4262	} elsif ($_log_backtrace < 2) {
		4263	$_log_backtrace_last = $msg;
3625	++$_log_backtrace;	4264	++$_log_backtrace;
		4265	my $perl_bt = Carp::longmess $msg;
3626	async {	4266	async {
		4267	$Coro::current->{desc} = "abt $msg";
		4268
3627	my @bt = fork_call {	4269	my @bt = fork_call {
3628	@addr = map { sprintf "%x", $_ } @addr;	4270	@addr = map { sprintf "%x", $_ } @addr;
3629	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4271	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3630	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4272	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3631	or die "addr2line: $!";	4273	or die "addr2line: $!";
…		…
3639	}	4281	}
3640		4282
3641	@funcs	4283	@funcs
3642	};	4284	};
3643		4285
3644	LOG llevInfo, "[ABT] $msg\n";	4286	LOG llevInfo, "[ABT] $perl_bt\n";
		4287	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3645	LOG llevInfo, "[ABT] $_\n" for @bt;	4288	LOG llevInfo, "[ABT] $_\n" for @bt;
3646	--$_log_backtrace;	4289	--$_log_backtrace;
3647	};	4290	};
3648	} else {	4291	} else {
3649	LOG llevInfo, "[ABT] $msg\n";	4292	LOG llevInfo, "[ABT] $msg\n";
3650	LOG llevInfo, "[ABT] [suppressed]\n";	4293	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3651	}	4294	}
3652	}	4295	}
3653		4296
3654	# load additional modules	4297	# load additional modules
3655	use cf::pod;	4298	require "cf/$_.pm" for @EXTRA_MODULES;
		4299	cf::_connect_to_perl_2;
3656		4300
3657	END { cf::emergency_save }	4301	END { cf::emergency_save }
3658		4302
3659	1	4303	1
3660		4304

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