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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.298 by root, Sun Jul 8 14:50:07 2007 UTC vs.
Revision 1.586 by root, Wed Oct 31 15:02:02 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 3.61 ();	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;
		51	use Coro::Util ();
24		52
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	56	use Fcntl;
30	use YAML::Syck ();	57	use YAML::XS ();
31	use IO::AIO 2.32 ();	58	use IO::AIO ();
32	use Time::HiRes;	59	use Time::HiRes;
33	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
34		64
35	# configure various modules to our taste	65	# configure various modules to our taste
36	#	66	#
37	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
38	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";
39	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
40		75
41	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
42		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		78
48	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;
49		82
50	our %COMMAND = ();	83	our %COMMAND = ();
51	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
52		85
53	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
54	our %EXTCMD = ();	87	our %EXTCMD = ();
55	our %EXTICMD = ();	88	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
58		91
59	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
61		96
62	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
63	our $DATADIR = datadir;	99	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
67	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
72	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;
73		120
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	123	our $NEXT_TICK;
		124	our $USE_FSYNC = 1; # use fsync to write maps - default on
		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
		128	our $BDB_TRICKLE_WATCHER;
		129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
		133	our %CFG;
		134	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		135
		136	our $UPTIME; $UPTIME ||= time;
		137	our $RUNTIME = 0;
		138	our $SERVER_TICK = 0;
79	our $NOW;	139	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off
81		140
82	our $BDB_POLL_WATCHER;	141	our (%PLAYER, %PLAYER_LOADING); # all users
83	our $DB_ENV;	142	our (%MAP, %MAP_LOADING ); # all maps
84
85	our %CFG;
86
87	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;
89
90	our %PLAYER; # all users
91	our %MAP; # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	143	our $LINK_MAP; # the special {link} map, which is always available
93		144
94	# 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 ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	146	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		147
97	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)
98	our $LOADAVG; # same thing, but with alpha-smoothing	149	our $LOADAVG; # same thing, but with alpha-smoothing
		150	our $JITTER; # average jitter
99	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 $WAIT_FOR_TICK = new Coro::Signal;
		159	our @WAIT_FOR_TICK_BEGIN;
100		160
101	binmode STDOUT;	161	binmode STDOUT;
102	binmode STDERR;	162	binmode STDERR;
103		163
104	# read virtual server time, if available	164	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	165	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	166	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	167	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	168	$RUNTIME = <$fh> + 0.;
109	}	169	}
		170
		171	eval "sub TICK() { $TICK } 1" or die;
110		172
111	mkdir $_	173	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	174	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113		175
114	our $EMERGENCY_POSITION;	176	our $EMERGENCY_POSITION;
115		177
116	sub cf::map::normalise;	178	sub cf::map::normalise;
117		179
		180	sub in_main() {
		181	$Coro::current == $Coro::main
		182	}
		183
118	#############################################################################	184	#############################################################################
119		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
120	=head2 GLOBAL VARIABLES	197	=head2 GLOBAL VARIABLES
121		198
122	=over 4	199	=over 4
123		200
124	=item $cf::UPTIME	201	=item $cf::UPTIME
125		202
126	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.
127		219
128	=item $cf::RUNTIME	220	=item $cf::RUNTIME
129		221
130	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
131	every server tick.	223	every server tick.
…		…
137	Various directories - "/etc", read-only install directory, perl-library	229	Various directories - "/etc", read-only install directory, perl-library
138	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	230	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
139	unique-items directory, player file directory, random maps directory and	231	unique-items directory, player file directory, random maps directory and
140	database environment.	232	database environment.
141		233
142	=item $cf::NOW
143
144	The time of the last (current) server tick.
145
146	=item $cf::TICK
147
148	The interval between server ticks, in seconds.
149
150	=item $cf::LOADAVG	234	=item $cf::LOADAVG
151		235
152	The current CPU load on the server (alpha-smoothed), as a value between 0	236	The current CPU load on the server (alpha-smoothed), as a value between 0
153	(none) and 1 (overloaded), indicating how much time is spent on processing	237	(none) and 1 (overloaded), indicating how much time is spent on processing
154	objects per tick. Healthy values are < 0.5.	238	objects per tick. Healthy values are < 0.5.
…		…
157		241
158	The raw value load value from the last tick.	242	The raw value load value from the last tick.
159		243
160	=item %cf::CFG	244	=item %cf::CFG
161		245
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	246	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	247	from wherever your confdir points to.
164		248
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	249	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		250
167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	251	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
168	returns directly I<after> the tick processing (and consequently, can only wake one process	252	returns directly I<after> the tick processing (and consequently, can only wake one thread
169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	253	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
170		254
		255	Note that cf::Wait_for_tick will immediately return when the server is not
		256	ticking, making it suitable for small pauses in threads that need to run
		257	when the server is paused. If that is not applicable (i.e. you I<really>
		258	want to wait, use C<$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
		272	=item @cf::INVOKE_RESULTS
		273
		274	This array contains the results of the last C<invoke ()> call. When
		275	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		276	that call.
		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
171	=back	284	=back
172		285
173	=cut	286	=cut
174		287
175	BEGIN {	288	sub error(@) { LOG llevError, join "", @_ }
176	*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 {
177	my $msg = join "", @_;	295	my $msg = join "", @_;
178		296
179	$msg .= "\n"	297	$msg .= "\n"
180	unless $msg =~ /\n$/;	298	unless $msg =~ /\n$/;
181		299
182	$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;
183		301
184	utf8::encode $msg;
185	LOG llevError, $msg;	302	LOG llevWarn, $msg;
186	};	303	};
187	}	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	};
188		318
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	319	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	320	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	321	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	322	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	329	for my $pkg (qw(
200	cf::global cf::attachable	330	cf::global cf::attachable
201	cf::object cf::object::player	331	cf::object cf::object::player
202	cf::client cf::player	332	cf::client cf::player
203	cf::arch cf::living	333	cf::arch cf::living
		334	cf::map cf::mapspace
204	cf::map cf::party cf::region	335	cf::party cf::region
205	)) {	336	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	337	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	338	}
209		339
210	$Event::DIED = sub {	340	$EV::DIED = sub {
211	warn "error in event callback: @_";	341	warn "error in event callback: $@";
212	};	342	};
		343
		344	#############################################################################
		345
		346	sub fork_call(&@);
		347	sub get_slot($;$$);
213		348
214	#############################################################################	349	#############################################################################
215		350
216	=head2 UTILITY FUNCTIONS	351	=head2 UTILITY FUNCTIONS
217		352
…		…
238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	373	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239	$d	374	$d
240	} || "[unable to dump $_[0]: '$@']";	375	} || "[unable to dump $_[0]: '$@']";
241	}	376	}
242		377
		378	=item $scalar = cf::load_file $path
		379
		380	Loads the given file from path and returns its contents. Croaks on error
		381	and can block.
		382
		383	=cut
		384
		385	sub load_file($) {
		386	0 <= aio_load $_[0], my $data
		387	or Carp::croak "$_[0]: $!";
		388
		389	$data
		390	}
		391
		392	=item $success = cf::replace_file $path, $data, $sync
		393
		394	Atomically replaces the file at the given $path with new $data, and
		395	optionally $sync the data to disk before replacing the file.
		396
		397	=cut
		398
		399	sub replace_file($$;$) {
		400	my ($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
243	=item $ref = cf::from_json $json	430	=item $ref = cf::decode_json $json
244		431
245	Converts a JSON string into the corresponding perl data structure.	432	Converts a JSON string into the corresponding perl data structure.
246		433
247	=item $json = cf::to_json $ref	434	=item $json = cf::encode_json $ref
248		435
249	Converts a perl data structure into its JSON representation.	436	Converts a perl data structure into its JSON representation.
250		437
251	=cut	438	=cut
252		439
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	440	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		441
255	sub to_json ($) { $json_coder->encode ($_[0]) }	442	sub encode_json($) { $json_coder->encode ($_[0]) }
256	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	}
257		506
258	=item cf::lock_wait $string	507	=item cf::lock_wait $string
259		508
260	Wait until the given lock is available. See cf::lock_acquire.	509	Wait until the given lock is available. See cf::lock_acquire.
261		510
262	=item my $lock = cf::lock_acquire $string	511	=item my $lock = cf::lock_acquire $string
263		512
264	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
265	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,
266	for example when the coroutine gets canceled), the lock is automatically	515	for example when the coroutine gets canceled), the lock is automatically
267	returned.	516	returned.
268		517
		518	Locks are *not* recursive, locking from the same coro twice results in a
		519	deadlocked coro.
		520
269	Lock names should begin with a unique identifier (for example, cf::map::find	521	Lock names should begin with a unique identifier (for example, cf::map::find
270	uses map_find and cf::map::load uses map_load).	522	uses map_find and cf::map::load uses map_load).
271		523
272	=item $locked = cf::lock_active $string	524	=item $locked = cf::lock_active $string
273		525
274	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.
275		527
276	=cut	528	=cut
277		529
278	our %LOCK;	530	our $LOCKS = new Coro::SemaphoreSet;
279		531
280	sub lock_wait($) {	532	sub lock_wait($) {
281	my ($key) = @_;	533	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	534	}
289		535
290	sub lock_acquire($) {	536	sub lock_acquire($) {
291	my ($key) = @_;	537	$LOCKS->guard ($_[0])
292
293	# wait, to be sure we are not locked
294	lock_wait $key;
295
296	$LOCK{$key} = [];
297
298	Coro::guard {
299	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };
301	}
302	}	538	}
303		539
304	sub lock_active($) {	540	sub lock_active($) {
305	my ($key) = @_;	541	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	542	}
309		543
310	sub freeze_mainloop {	544	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	545	tick_inhibit_inc;
312		546
313	my $guard = Coro::guard {	547	&Guard::guard (\&tick_inhibit_dec);
314	$TICK_WATCHER->start;	548	}
		549
		550	=item cf::periodic $interval, $cb
		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($$) {
		558	my ($interval, $cb) = @_;
		559
		560	my $start = rand List::Util::min 180, $interval;
		561
		562	EV::periodic $start, $interval, 0, $cb
		563	}
		564
		565	=item cf::get_slot $time[, $priority[, $name]]
		566
		567	Allocate $time seconds of blocking CPU time at priority C<$priority>
		568	(default: 0): This call blocks and returns only when you have at least
		569	C<$time> seconds of cpu time till the next tick. The slot is only valid
		570	till the next cede.
		571
		572	Background jobs should use a priority les than zero, interactive jobs
		573	should use 100 or more.
		574
		575	The optional C<$name> can be used to identify the job to run. It might be
		576	used for statistical purposes and should identify the same time-class.
		577
		578	Useful for short background jobs.
		579
		580	=cut
		581
		582	our @SLOT_QUEUE;
		583	our $SLOT_QUEUE;
		584	our $SLOT_DECAY = 0.9;
		585
		586	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		587	$SLOT_QUEUE = Coro::async {
		588	$Coro::current->desc ("timeslot manager");
		589
		590	my $signal = new Coro::Signal;
		591	my $busy;
		592
		593	while () {
		594	next_job:
		595
		596	my $avail = cf::till_tick;
		597
		598	for (0 .. $#SLOT_QUEUE) {
		599	if ($SLOT_QUEUE[$_][0] <= $avail) {
		600	$busy = 0;
		601	my $job = splice @SLOT_QUEUE, $_, 1, ();
		602	$job->[2]->send;
		603	Coro::cede;
		604	goto next_job;
		605	} else {
		606	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		607	}
		608	}
		609
		610	if (@SLOT_QUEUE) {
		611	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		612	$WAIT_FOR_TICK->wait;
		613	} else {
		614	$busy = 0;
		615	Coro::schedule;
		616	}
315	};	617	}
316	$TICK_WATCHER->stop;	618	};
317	$guard	619
		620	sub get_slot($;$$) {
		621	return if tick_inhibit || $Coro::current == $Coro::main;
		622
		623	my ($time, $pri, $name) = @_;
		624
		625	$time = clamp $time, 0.01, $TICK * .6;
		626
		627	my $sig = new Coro::Signal;
		628
		629	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		630	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		631	$SLOT_QUEUE->ready;
		632	$sig->wait;
318	}	633	}
319		634
320	=item cf::async { BLOCK }	635	=item cf::async { BLOCK }
321		636
322	Currently the same as Coro::async_pool, meaning you cannot use	637	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		642
328	BEGIN { *async = \&Coro::async_pool }	643	BEGIN { *async = \&Coro::async_pool }
329		644
330	=item cf::sync_job { BLOCK }	645	=item cf::sync_job { BLOCK }
331		646
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	647	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	648	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	649	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	650	acceptable.
336		651
337	If it must be done, put the blocking parts into C<sync_job>. This will run	652	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	653	the given BLOCK in another coroutine while waiting for the result. The
…		…
342	=cut	657	=cut
343		658
344	sub sync_job(&) {	659	sub sync_job(&) {
345	my ($job) = @_;	660	my ($job) = @_;
346		661
347	if ($Coro::current == $Coro::main) {	662	if (in_main) {
348	my $time = Event::time;	663	my $time = AE::time;
349		664
350	# this is the main coro, too bad, we have to block	665	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	666	# till the operation succeeds, freezing the server :/
352		667
353	# TODO: use suspend/resume instead	668	#LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	669
355	my $freeze_guard = freeze_mainloop;	670	my $freeze_guard = freeze_mainloop;
356		671
357	my $busy = 1;	672	my $busy = 1;
358	my @res;	673	my @res;
359		674
360	(async {	675	(async {
		676	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	677	@res = eval { $job->() };
362	warn $@ if $@;	678	error $@ if $@;
363	undef $busy;	679	undef $busy;
364	})->prio (Coro::PRIO_MAX);	680	})->prio (Coro::PRIO_MAX);
365		681
366	while ($busy) {	682	while ($busy) {
367	Coro::cede or Event::one_event;	683	if (Coro::nready) {
		684	Coro::cede_notself;
		685	} else {
		686	EV::loop EV::LOOP_ONESHOT;
368	}	687	}
		688	}
369		689
370	$time = Event::time - $time;	690	my $time = AE::time - $time;
371		691
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	692	$TICK_START += $time; # do not account sync jobs to server load
376		693
377	wantarray ? @res : $res[0]	694	wantarray ? @res : $res[0]
378	} else {	695	} else {
379	# we are in another coroutine, how wonderful, everything just works	696	# we are in another coroutine, how wonderful, everything just works
380		697
…		…
400	$EXT_CORO{$coro+0} = $coro;	717	$EXT_CORO{$coro+0} = $coro;
401		718
402	$coro	719	$coro
403	}	720	}
404		721
405	=item fork_call { }, $args	722	=item fork_call { }, @args
406		723
407	Executes the given code block with the given arguments in a seperate	724	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	725	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	726	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	727	never block itself or use any form of event handling.
411		728
412	=cut	729	=cut
		730
		731	sub post_fork {
		732	reset_signals;
		733	}
413		734
414	sub fork_call(&@) {	735	sub fork_call(&@) {
415	my ($cb, @args) = @_;	736	my ($cb, @args) = @_;
416		737
417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	738	# we seemingly have to make a local copy of the whole thing,
418	# or die "socketpair: $!";	739	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	740	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		741
422	if (my $pid = fork) {	742	my @res = Coro::Util::fork_eval {
423	close $fh2;	743	cf::post_fork;
		744	&$cb
		745	} @args;
424		746
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	747	wantarray ? @res : $res[-1]
426	warn "pst<$res>" unless $res =~ /^pst/;	748	}
427	$res = Coro::Storable::thaw $res;
428		749
429	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	750	sub objinfo {
430
431	Carp::confess $$res unless "ARRAY" eq ref $res;
432
433	return wantarray ? @$res : $res->[-1];
434	} else {
435	reset_signals;
436	local $SIG{__WARN__};
437	local $SIG{__DIE__};
438	local $Coro::idle;
439	$Coro::current->prio (Coro::PRIO_MAX);
440	eval {
441	close $fh1;
442
443	my @res = eval { $cb->(@args) };
444
445	open my $fh, ">", \my $buf
446	or die "fork_call: cannot open fh-to-buf in child : $!";
447	Storable::store_fd +($@ ? \"$@" : \@res), $fh;
448	close $fh;
449
450	warn "writing ", length $buf;
451	my $x;
452	(length $buf) == ($x = syswrite $fh2, $buf)
453	or warn "error writing ".(length $buf)." != $x\n";
454	close $fh2;
455	};
456
457	warn $@ if $@;
458	_exit 0;
459	}	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
460	}	786	}
461		787
462	=item $value = cf::db_get $family => $key	788	=item $value = cf::db_get $family => $key
463		789
464	Returns a single value from the environment database.	790	Returns a single value from the environment database.
…		…
466	=item cf::db_put $family => $key => $value	792	=item cf::db_put $family => $key => $value
467		793
468	Stores the given C<$value> in the family. It can currently store binary	794	Stores the given C<$value> in the family. It can currently store binary
469	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	795	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
470		796
		797	=item $db = cf::db_table "name"
		798
		799	Create and/or open a new database table. The string must not be "db" and must be unique
		800	within each server.
		801
471	=cut	802	=cut
		803
		804	sub db_table($) {
		805	cf::error "db_get called from main context"
		806	if $Coro::current == $Coro::main;
		807
		808	my ($name) = @_;
		809	my $db = BDB::db_create $DB_ENV;
		810
		811	eval {
		812	$db->set_flags (BDB::CHKSUM);
		813
		814	utf8::encode $name;
		815	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		816	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		817	cf::cleanup "db_open(db): $!" if $!;
		818	};
		819	cf::cleanup "db_open(db): $@" if $@;
		820
		821	$db
		822	}
472		823
473	our $DB;	824	our $DB;
474		825
475	sub db_init {	826	sub db_init {
476	unless ($DB) {	827	$DB ||= db_table "db";
477	$DB = BDB::db_create $DB_ENV;
478
479	cf::sync_job {
480	eval {
481	$DB->set_flags (BDB::CHKSUM);
482
483	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
484	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
485	cf::cleanup "db_open(db): $!" if $!;
486	};
487	cf::cleanup "db_open(db): $@" if $@;
488	};
489	}
490	}	828	}
491		829
492	sub db_get($$) {	830	sub db_get($$) {
493	my $key = "$_[0]/$_[1]";	831	my $key = "$_[0]/$_[1]";
494		832
495	cf::sync_job {	833	cf::error "db_get called from main context"
		834	if $Coro::current == $Coro::main;
		835
496	BDB::db_get $DB, undef, $key, my $data;	836	BDB::db_get $DB, undef, $key, my $data;
497		837
498	$! ? ()	838	$! ? ()
499	: $data	839	: $data
500	}
501	}	840	}
502		841
503	sub db_put($$$) {	842	sub db_put($$$) {
504	BDB::dbreq_pri 4;	843	BDB::dbreq_pri 4;
505	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	844	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
533		872
534	my @data;	873	my @data;
535	my $md5;	874	my $md5;
536		875
537	for (0 .. $#$src) {	876	for (0 .. $#$src) {
538	0 <= aio_load $src->[$_], $data[$_]	877	$data[$_] = load_file $src->[$_];
539	or Carp::croak "$src->[$_]: $!";
540	}	878	}
541		879
542	# if processing is expensive, check	880	# if processing is expensive, check
543	# checksum first	881	# checksum first
544	if (1) {	882	if (1) {
545	$md5 =	883	$md5 =
546	join "\x00",	884	join "\x00",
547	$processversion,	885	$processversion,
548	map {	886	map {
549	Coro::cede;	887	cf::cede_to_tick;
550	($src->[$_], Digest::MD5::md5_hex $data[$_])	888	($src->[$_], Digest::MD5::md5_hex $data[$_])
551	} 0.. $#$src;	889	} 0.. $#$src;
552		890
553		891
554	my $dbmd5 = db_get cache => "$id/md5";	892	my $dbmd5 = db_get cache => "$id/md5";
…		…
561		899
562	my $t1 = Time::HiRes::time;	900	my $t1 = Time::HiRes::time;
563	my $data = $process->(\@data);	901	my $data = $process->(\@data);
564	my $t2 = Time::HiRes::time;	902	my $t2 = Time::HiRes::time;
565		903
566	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	904	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
567		905
568	db_put cache => "$id/data", $data;	906	db_put cache => "$id/data", $data;
569	db_put cache => "$id/md5" , $md5;	907	db_put cache => "$id/md5" , $md5;
570	db_put cache => "$id/meta", $meta;	908	db_put cache => "$id/meta", $meta;
571		909
…		…
581		919
582	=cut	920	=cut
583		921
584	sub datalog($@) {	922	sub datalog($@) {
585	my ($type, %kv) = @_;	923	my ($type, %kv) = @_;
586	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	924	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
587	}	925	}
588		926
589	=back	927	=back
590		928
591	=cut	929	=cut
592		930
593	#############################################################################	931	#############################################################################
594		932
595	=head2 ATTACHABLE OBJECTS	933	=head2 ATTACHABLE OBJECTS
596		934
597	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
598	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")
599	to it. All such attachable objects support the following methods.	937	to it. All such attachable objects support the following methods.
600		938
601	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>
602	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
603	Crossfire TRT).	941	Deliantra).
604		942
605	=over 4	943	=over 4
606		944
607	=item $attachable->attach ($attachment, key => $value...)	945	=item $attachable->attach ($attachment, key => $value...)
608		946
…		…
652	=item cf::CLASS::attachment $name, ...	990	=item cf::CLASS::attachment $name, ...
653		991
654	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
655	given CLASS can refer to this attachment.	993	given CLASS can refer to this attachment.
656		994
657	Some classes such as crossfire maps and objects can specify attachments	995	Some classes such as deliantra maps and objects can specify attachments
658	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.
659		997
660	These calls expect any number of the following handler/hook descriptions:	998	These calls expect any number of the following handler/hook descriptions:
661		999
662	=over 4	1000	=over 4
…		…
786		1124
787	} elsif (exists $cb_id{$type}) {	1125	} elsif (exists $cb_id{$type}) {
788	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1126	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
789		1127
790	} elsif (ref $type) {	1128	} elsif (ref $type) {
791	warn "attaching objects not supported, ignoring.\n";	1129	error "attaching objects not supported, ignoring.\n";
792		1130
793	} else {	1131	} else {
794	shift @arg;	1132	shift @arg;
795	warn "attach argument '$type' not supported, ignoring.\n";	1133	error "attach argument '$type' not supported, ignoring.\n";
796	}	1134	}
797	}	1135	}
798	}	1136	}
799		1137
800	sub _object_attach {	1138	sub _object_attach {
…		…
810	_attach $registry, $klass, @attach;	1148	_attach $registry, $klass, @attach;
811	}	1149	}
812		1150
813	$obj->{$name} = \%arg;	1151	$obj->{$name} = \%arg;
814	} else {	1152	} else {
815	warn "object uses attachment '$name' which is not available, postponing.\n";	1153	info "object uses attachment '$name' which is not available, postponing.\n";
816	}	1154	}
817		1155
818	$obj->{_attachment}{$name} = undef;	1156	$obj->{_attachment}{$name} = undef;
819	}	1157	}
820		1158
…		…
860	";	1198	";
861	die if $@;	1199	die if $@;
862	}	1200	}
863		1201
864	our $override;	1202	our $override;
865	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1203	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
866		1204
867	sub override {	1205	sub override {
868	$override = 1;	1206	$override = 1;
869	@invoke_results = ();	1207	@INVOKE_RESULTS = (@_);
870	}	1208	}
871		1209
872	sub do_invoke {	1210	sub do_invoke {
873	my $event = shift;	1211	my $event = shift;
874	my $callbacks = shift;	1212	my $callbacks = shift;
875		1213
876	@invoke_results = ();	1214	@INVOKE_RESULTS = ();
877		1215
878	local $override;	1216	local $override;
879		1217
880	for (@$callbacks) {	1218	for (@$callbacks) {
881	eval { &{$_->[1]} };	1219	eval { &{$_->[1]} };
882		1220
883	if ($@) {	1221	if ($@) {
884	warn "$@";
885	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1222	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
886	override;	1223	override;
887	}	1224	}
888		1225
889	return 1 if $override;	1226	return 1 if $override;
890	}	1227	}
891		1228
892	0	1229	0
893	}	1230	}
894		1231
895	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1232	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
896		1233
897	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
898		1235
899	Generate an object-specific event with the given arguments.	1236	Generate an object-specific event with the given arguments.
900		1237
901	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1238	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
902	removed in future versions), and there is no public API to access override	1239	removed in future versions), and there is no public API to access override
903	results (if you must, access C<@cf::invoke_results> directly).	1240	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
904		1241
905	=back	1242	=back
906		1243
907	=cut	1244	=cut
908		1245
909	#############################################################################	1246	#############################################################################
910	# object support	1247	# object support
		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#
		1282	sub _can_merge {
		1283	my ($ob1, $ob2) = @_;
		1284
		1285	++$SLOW_MERGES;#d#
		1286
		1287	# we do the slow way here
		1288	return _object_equal $ob1, $ob2
		1289	}
911		1290
912	sub reattach {	1291	sub reattach {
913	# basically do the same as instantiate, without calling instantiate	1292	# basically do the same as instantiate, without calling instantiate
914	my ($obj) = @_;	1293	my ($obj) = @_;
915		1294
		1295	# no longer needed after getting rid of delete_package?
916	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
917		1297
918	my $registry = $obj->registry;	1298	my $registry = $obj->registry;
919		1299
920	@$registry = ();	1300	@$registry = ();
921		1301
…		…
926	for (@$attach) {	1306	for (@$attach) {
927	my ($klass, @attach) = @$_;	1307	my ($klass, @attach) = @$_;
928	_attach $registry, $klass, @attach;	1308	_attach $registry, $klass, @attach;
929	}	1309	}
930	} else {	1310	} else {
931	warn "object uses attachment '$name' that is not available, postponing.\n";	1311	info "object uses attachment '$name' that is not available, postponing.\n";
932	}	1312	}
933	}	1313	}
934	}	1314	}
935		1315
936	cf::attachable->attach (	1316	cf::attachable->attach (
937	prio => -1000000,	1317	prio => -1000000,
938	on_instantiate => sub {	1318	on_instantiate => sub {
939	my ($obj, $data) = @_;	1319	my ($obj, $data) = @_;
940		1320
941	$data = from_json $data;	1321	$data = decode_json $data;
942		1322
943	for (@$data) {	1323	for (@$data) {
944	my ($name, $args) = @$_;	1324	my ($name, $args) = @$_;
945		1325
946	$obj->attach ($name, %{$args || {} });	1326	$obj->attach ($name, %{$args || {} });
…		…
962	sub object_freezer_save {	1342	sub object_freezer_save {
963	my ($filename, $rdata, $objs) = @_;	1343	my ($filename, $rdata, $objs) = @_;
964		1344
965	sync_job {	1345	sync_job {
966	if (length $$rdata) {	1346	if (length $$rdata) {
		1347	utf8::decode (my $decname = $filename);
967	warn sprintf "saving %s (%d,%d)\n",	1348	trace sprintf "saving %s (%d,%d)\n",
968	$filename, length $$rdata, scalar @$objs;	1349	$decname, length $$rdata, scalar @$objs
		1350	if $VERBOSE_IO;
969		1351
970	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1352	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
971	chmod SAVE_MODE, $fh;	1353	aio_chmod $fh, SAVE_MODE;
972	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1354	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
973	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	}
974	close $fh;	1359	aio_close $fh;
975		1360
976	if (@$objs) {	1361	if (@$objs) {
977	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) {
978	chmod SAVE_MODE, $fh;	1363	aio_chmod $fh, SAVE_MODE;
979	my $data = Storable::nfreeze { version => 1, objs => $objs };	1364	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
980	aio_write $fh, 0, (length $data), $data, 0;	1365	aio_write $fh, 0, (length $data), $data, 0;
981	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	}
982	close $fh;	1370	aio_close $fh;
983	aio_rename "$filename.pst~", "$filename.pst";	1371	aio_rename "$filename.pst~", "$filename.pst";
984	}	1372	}
985	} else {	1373	} else {
986	aio_unlink "$filename.pst";	1374	aio_unlink "$filename.pst";
987	}	1375	}
988		1376
989	aio_rename "$filename~", $filename;	1377	aio_rename "$filename~", $filename;
		1378
		1379	$filename =~ s%/[^/]+$%%;
		1380	aio_pathsync $filename if $cf::USE_FSYNC;
990	} else {	1381	} else {
991	warn "FATAL: $filename~: $!\n";	1382	error "unable to save objects: $filename~: $!\n";
992	}	1383	}
993	} else {	1384	} else {
994	aio_unlink $filename;	1385	aio_unlink $filename;
995	aio_unlink "$filename.pst";	1386	aio_unlink "$filename.pst";
996	}	1387	}
997	}	1388	};
998	}	1389	}
999		1390
1000	sub object_freezer_as_string {	1391	sub object_freezer_as_string {
1001	my ($rdata, $objs) = @_;	1392	my ($rdata, $objs) = @_;
1002		1393
…		…
1014	or return;	1405	or return;
1015		1406
1016	unless (aio_stat "$filename.pst") {	1407	unless (aio_stat "$filename.pst") {
1017	(aio_load "$filename.pst", $av) >= 0	1408	(aio_load "$filename.pst", $av) >= 0
1018	or return;	1409	or return;
		1410
1019	$av = eval { (Storable::thaw $av)->{objs} };	1411	my $st = eval { Coro::Storable::thaw $av };
		1412	$av = $st->{objs};
1020	}	1413	}
1021		1414
		1415	utf8::decode (my $decname = $filename);
1022	warn sprintf "loading %s (%d)\n",	1416	trace sprintf "loading %s (%d,%d)\n",
1023	$filename, length $data, scalar @{$av || []};	1417	$decname, length $data, scalar @{$av || []}
		1418	if $VERBOSE_IO;
		1419
1024	return ($data, $av);	1420	($data, $av)
1025	}	1421	}
1026		1422
1027	=head2 COMMAND CALLBACKS	1423	=head2 COMMAND CALLBACKS
1028		1424
1029	=over 4	1425	=over 4
…		…
1083	my ($name, $cb) = @_;	1479	my ($name, $cb) = @_;
1084		1480
1085	$EXTICMD{$name} = $cb;	1481	$EXTICMD{$name} = $cb;
1086	}	1482	}
1087		1483
		1484	use File::Glob ();
		1485
1088	cf::player->attach (	1486	cf::player->attach (
1089	on_command => sub {	1487	on_unknown_command => sub {
1090	my ($pl, $name, $params) = @_;	1488	my ($pl, $name, $params) = @_;
1091		1489
1092	my $cb = $COMMAND{$name}	1490	my $cb = $COMMAND{$name}
1093	or return;	1491	or return;
1094		1492
…		…
1102	my ($pl, $buf) = @_;	1500	my ($pl, $buf) = @_;
1103		1501
1104	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1502	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1105		1503
1106	if (ref $msg) {	1504	if (ref $msg) {
		1505	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1506
		1507	my @reply;
		1508
1107	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1509	if (my $cb = $EXTCMD{$type}) {
1108	if (my %reply = $cb->($pl, $msg)) {	1510	@reply = $cb->($pl, @payload);
1109	$pl->ext_reply ($msg->{msgid}, %reply);
1110	}
1111	}	1511	}
		1512
		1513	$pl->ext_reply ($reply, @reply)
		1514	if $reply;
		1515
1112	} else {	1516	} else {
1113	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1517	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1114	}	1518	}
1115		1519
1116	cf::override;	1520	cf::override;
1117	},	1521	},
1118	);	1522	);
1119		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
1120	sub load_extensions {	1548	sub load_extensions {
		1549	info "loading extensions...";
		1550
		1551	%EXT_CFG = ();
		1552
1121	cf::sync_job {	1553	cf::sync_job {
1122	my %todo;	1554	my %todo;
1123		1555
1124	for my $path (<$LIBDIR/*.ext>) {	1556	for my $path (<$LIBDIR/*.ext>) {
1125	next unless -r $path;	1557	next unless -r $path;
…		…
1143		1575
1144	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1576	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1145	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1577	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1146		1578
1147	$ext{source} =	1579	$ext{source} =
1148	"package $pkg; use strict; use utf8;\n"	1580	"package $pkg; use common::sense;\n"
1149	. "#line 1 \"$path\"\n{\n"	1581	. "#line 1 \"$path\"\n{\n"
1150	. $source	1582	. $source
1151	. "\n};\n1";	1583	. "\n};\n1";
1152		1584
1153	$todo{$base} = \%ext;	1585	$todo{$base} = \%ext;
1154	}	1586	}
1155		1587
		1588	my $pass = 0;
1156	my %done;	1589	my %done;
1157	while (%todo) {	1590	while (%todo) {
1158	my $progress;	1591	my $progress;
1159		1592
		1593	++$pass;
		1594
		1595	ext:
1160	while (my ($k, $v) = each %todo) {	1596	while (my ($k, $v) = each %todo) {
1161	for (split /,\s*/, $v->{meta}{depends}) {	1597	for (split /,\s*/, $v->{meta}{depends}) {
1162	goto skip	1598	next ext
1163	unless exists $done{$_};	1599	unless exists $done{$_};
1164	}	1600	}
1165		1601
1166	warn "... loading '$k' into '$v->{pkg}'\n";	1602	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1167		1603
1168	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 $@) {
1169	my $msg = $@ ? "$v->{path}: $@\n"	1616	error "$v->{path}: $@\n";
1170	: "$v->{base}: extension inactive.\n";
1171		1617
		1618	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1172	if (exists $v->{meta}{mandatory}) {	1619	if exists $v->{meta}{mandatory};
1173	warn $msg;	1620
1174	warn "mandatory extension failed to load, exiting.\n";	1621	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1175	exit 1;	1622	delete $todo{$k};
1176	}	1623	} else {
1177		1624	$done{$k} = delete $todo{$k};
1178	warn $msg;	1625	push @EXTS, $v->{pkg};
		1626	$progress = 1;
		1627
		1628	info "$v->{base}: extension inactive.\n"
		1629	unless $active;
1179	}	1630	}
1180
1181	$done{$k} = delete $todo{$k};
1182	push @EXTS, $v->{pkg};
1183	$progress = 1;
1184	}	1631	}
1185		1632
1186	skip:	1633	unless ($progress) {
1187	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1634	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1188	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	}
1189	}	1643	}
1190	};	1644	};
1191	}	1645	}
1192		1646
1193	#############################################################################	1647	#############################################################################
1194		1648
1195	=back	1649	=back
1196		1650
1197	=head2 CORE EXTENSIONS	1651	=head2 CORE EXTENSIONS
1198		1652
1199	Functions and methods that extend core crossfire objects.	1653	Functions and methods that extend core deliantra objects.
1200		1654
1201	=cut	1655	=cut
1202		1656
1203	package cf::player;	1657	package cf::player;
1204		1658
1205	use Coro::AIO;	1659	use Coro::AIO;
1206		1660
1207	=head3 cf::player	1661	=head3 cf::player
1208		1662
1209	=over 4	1663	=over 4
		1664
		1665	=item cf::player::num_playing
		1666
		1667	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1668
		1669	=cut
		1670
		1671	sub num_playing {
		1672	scalar grep
		1673	$_->ob->map
		1674	&& !$_->hidden
		1675	&& !$_->ob->flag (cf::FLAG_WIZ),
		1676	cf::player::list
		1677	}
1210		1678
1211	=item cf::player::find $login	1679	=item cf::player::find $login
1212		1680
1213	Returns the given player object, loading it if necessary (might block).	1681	Returns the given player object, loading it if necessary (might block).
1214		1682
…		…
1233		1701
1234	sub exists($) {	1702	sub exists($) {
1235	my ($login) = @_;	1703	my ($login) = @_;
1236		1704
1237	$cf::PLAYER{$login}	1705	$cf::PLAYER{$login}
1238	or cf::sync_job { !aio_stat path $login }	1706	or !aio_stat path $login
1239	}	1707	}
1240		1708
1241	sub find($) {	1709	sub find($) {
1242	return $cf::PLAYER{$_[0]} || do {	1710	return $cf::PLAYER{$_[0]} || do {
1243	my $login = $_[0];	1711	my $login = $_[0];
…		…
1250	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1718	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1251	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1719	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1252	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1720	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1253	aio_unlink +(playerdir $login) . "/$login.pl";	1721	aio_unlink +(playerdir $login) . "/$login.pl";
1254		1722
1255	my $pl = load_pl path $login	1723	my $f = new_from_file cf::object::thawer path $login
1256	or return;	1724	or return;
		1725
		1726	my $pl = cf::player::load_pl $f
		1727	or return;
		1728
		1729	local $cf::PLAYER_LOADING{$login} = $pl;
		1730	$f->resolve_delayed_derefs;
1257	$cf::PLAYER{$login} = $pl	1731	$cf::PLAYER{$login} = $pl
1258	}	1732	}
1259	}	1733	}
1260	}	1734	}
		1735
		1736	cf::player->attach (
		1737	on_load => sub {
		1738	my ($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	);
1261		1748
1262	sub save($) {	1749	sub save($) {
1263	my ($pl) = @_;	1750	my ($pl) = @_;
1264		1751
1265	return if $pl->{deny_save};	1752	return if $pl->{deny_save};
…		…
1270	return if $pl->{deny_save};	1757	return if $pl->{deny_save};
1271		1758
1272	aio_mkdir playerdir $pl, 0770;	1759	aio_mkdir playerdir $pl, 0770;
1273	$pl->{last_save} = $cf::RUNTIME;	1760	$pl->{last_save} = $cf::RUNTIME;
1274		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];
		1766
1275	$pl->save_pl ($path);	1767	$pl->save_pl ($path);
1276	Coro::cede;	1768	cf::cede_to_tick;
1277	}	1769	}
1278		1770
1279	sub new($) {	1771	sub new($) {
1280	my ($login) = @_;	1772	my ($login) = @_;
1281		1773
…		…
1287	$cf::PLAYER{$login} = $self;	1779	$cf::PLAYER{$login} = $self;
1288		1780
1289	$self	1781	$self
1290	}	1782	}
1291		1783
		1784	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1785
		1786	=cut
		1787
		1788	sub send_msg {
		1789	my $ns = shift->ns
		1790	or return;
		1791	$ns->send_msg (@_);
		1792	}
		1793
1292	=item $pl->quit_character	1794	=item $pl->quit_character
1293		1795
1294	Nukes the player without looking back. If logged in, the connection will	1796	Nukes the player without looking back. If logged in, the connection will
1295	be destroyed. May block for a long time.	1797	be destroyed. May block for a long time.
1296		1798
…		…
1300	my ($pl) = @_;	1802	my ($pl) = @_;
1301		1803
1302	my $name = $pl->ob->name;	1804	my $name = $pl->ob->name;
1303		1805
1304	$pl->{deny_save} = 1;	1806	$pl->{deny_save} = 1;
1305	$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
1306		1808
1307	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1809	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1308	$pl->deactivate;	1810	$pl->deactivate;
		1811
		1812	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1309	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1813	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1814	ext::highscore::check ($pl->ob);
		1815
1310	$pl->ns->destroy if $pl->ns;	1816	$pl->ns->destroy if $pl->ns;
1311		1817
1312	my $path = playerdir $pl;	1818	my $path = playerdir $pl;
1313	my $temp = "$path~$cf::RUNTIME~deleting~";	1819	my $temp = "$path~$cf::RUNTIME~deleting~";
1314	aio_rename $path, $temp;	1820	aio_rename $path, $temp;
…		…
1349	or return [];	1855	or return [];
1350		1856
1351	my @logins;	1857	my @logins;
1352		1858
1353	for my $login (@$dirs) {	1859	for my $login (@$dirs) {
		1860	my $path = path $login;
		1861
		1862	# a .pst is a dead give-away for a valid player
		1863	# if no pst file found, open and chekc for blocked users
		1864	if (aio_stat "$path.pst") {
1354	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1865	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1355	aio_read $fh, 0, 512, my $buf, 0 or next;	1866	aio_read $fh, 0, 512, my $buf, 0 or next;
1356	$buf !~ /^password -------------$/m or next; # official not-valid tag	1867	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1868	}
1357		1869
1358	utf8::decode $login;	1870	utf8::decode $login;
1359	push @logins, $login;	1871	push @logins, $login;
1360	}	1872	}
1361		1873
1362	\@logins	1874	\@logins
1363	}	1875	}
1364		1876
1365	=item $player->maps	1877	=item $player->maps
		1878
		1879	=item cf::player::maps $login
1366		1880
1367	Returns an arrayref of map paths that are private for this	1881	Returns an arrayref of map paths that are private for this
1368	player. May block.	1882	player. May block.
1369		1883
1370	=cut	1884	=cut
…		…
1388	}	1902	}
1389		1903
1390	\@paths	1904	\@paths
1391	}	1905	}
1392		1906
1393	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1907	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1394		1908
1395	Expand crossfire pod fragments into protocol xml.	1909	Expand deliantra pod fragments into protocol xml.
1396		1910
1397	=cut
1398
1399	sub expand_cfpod {
1400	((my $self), (local $_)) = @_;
1401
1402	# escape & and <
1403	s/&/&amp;/g;
1404	s/(?<![BIUGH])</&lt;/g;
1405
1406	# this is buggy, it needs to properly take care of nested <'s
1407
1408	1 while
1409	# replace B<>, I<>, U<> etc.
1410	s/B<([^\>]*)>/<b>$1<\/b>/
1411	|| s/I<([^\>]*)>/<i>$1<\/i>/
1412	|| s/U<([^\>]*)>/<u>$1<\/u>/
1413	# replace G<male|female> tags
1414	|| s{G<([^>|]*)\|([^>]*)>}{
1415	$self->gender ? $2 : $1
1416	}ge
1417	# replace H<hint text>
1418	|| s{H<([^\>]*)>}
1419	{
1420	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1421	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1422	"")
1423	[$self->{hintmode}]
1424	}ge;
1425
1426	# create single paragraphs (very hackish)
1427	s/(?<=\S)\n(?=\w)/ /g;
1428
1429	# compress some whitespace
1430	s/\s+\n/\n/g; # ws line-ends
1431	s/\n\n+/\n/g; # double lines
1432	s/^\n+//; # beginning lines
1433	s/\n+$//; # ending lines
1434
1435	$_
1436	}
1437
1438	sub hintmode {
1439	$_[0]{hintmode} = $_[1] if @_ > 1;
1440	$_[0]{hintmode}
1441	}
1442
1443	=item $player->ext_reply ($msgid, %msg)	1911	=item $player->ext_reply ($msgid, @msg)
1444		1912
1445	Sends an ext reply to the player.	1913	Sends an ext reply to the player.
1446		1914
1447	=cut	1915	=cut
1448		1916
1449	sub ext_reply($$%) {	1917	sub ext_reply($$@) {
1450	my ($self, $id, %msg) = @_;	1918	my ($self, $id, @msg) = @_;
1451		1919
1452	$msg{msgid} = $id;	1920	$self->ns->ext_reply ($id, @msg)
1453	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1454	}	1921	}
1455		1922
1456	=item $player->ext_event ($type, %msg)	1923	=item $player->ext_msg ($type, @msg)
1457		1924
1458	Sends an ext event to the client.	1925	Sends an ext event to the client.
1459		1926
1460	=cut	1927	=cut
1461		1928
1462	sub ext_event($$%) {	1929	sub ext_msg($$@) {
1463	my ($self, $type, %msg) = @_;	1930	my ($self, $type, @msg) = @_;
1464		1931
1465	$self->ns->ext_event ($type, %msg);	1932	$self->ns->ext_msg ($type, @msg);
1466	}	1933	}
1467		1934
1468	=head3 cf::region	1935	=head3 cf::region
1469		1936
1470	=over 4	1937	=over 4
…		…
1480	=cut	1947	=cut
1481		1948
1482	sub find_by_path($) {	1949	sub find_by_path($) {
1483	my ($path) = @_;	1950	my ($path) = @_;
1484		1951
		1952	$path =~ s/^~[^\/]*//; # skip ~login
		1953
1485	my ($match, $specificity);	1954	my ($match, $specificity);
1486		1955
1487	for my $region (list) {	1956	for my $region (list) {
1488	if ($region->match && $path =~ $region->match) {	1957	if ($region->{match} && $path =~ $region->{match}) {
1489	($match, $specificity) = ($region, $region->specificity)	1958	($match, $specificity) = ($region, $region->specificity)
1490	if $region->specificity > $specificity;	1959	if $region->specificity > $specificity;
1491	}	1960	}
1492	}	1961	}
1493		1962
…		…
1514	our $MAX_RESET = 3600;	1983	our $MAX_RESET = 3600;
1515	our $DEFAULT_RESET = 3000;	1984	our $DEFAULT_RESET = 3000;
1516		1985
1517	sub generate_random_map {	1986	sub generate_random_map {
1518	my ($self, $rmp) = @_;	1987	my ($self, $rmp) = @_;
1519	# mit "rum" bekleckern, nicht	1988
		1989	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1990
1520	$self->_create_random_map (	1991	$self->_create_random_map ($rmp);
1521	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1522	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1523	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1524	$rmp->{exit_on_final_map},
1525	$rmp->{xsize}, $rmp->{ysize},
1526	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1527	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1528	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1529	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1530	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1531	(cf::region::find $rmp->{region}), $rmp->{custom}
1532	)
1533	}	1992	}
1534		1993
1535	=item cf::map->register ($regex, $prio)	1994	=item cf::map->register ($regex, $prio)
1536		1995
1537	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
…		…
1542		2001
1543	sub register {	2002	sub register {
1544	my (undef, $regex, $prio) = @_;	2003	my (undef, $regex, $prio) = @_;
1545	my $pkg = caller;	2004	my $pkg = caller;
1546		2005
1547	no strict;
1548	push @{"$pkg\::ISA"}, __PACKAGE__;	2006	push @{"$pkg\::ISA"}, __PACKAGE__;
1549		2007
1550	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2008	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1551	}	2009	}
1552		2010
1553	# also paths starting with '/'	2011	# also paths starting with '/'
1554	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2012	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1555		2013
1556	sub thawer_merge {	2014	sub thawer_merge {
1557	my ($self, $merge) = @_;	2015	my ($self, $merge) = @_;
1558		2016
1559	# we have to keep some variables in memory intact	2017	# we have to keep some variables in memory intact
…		…
1564	}	2022	}
1565		2023
1566	sub normalise {	2024	sub normalise {
1567	my ($path, $base) = @_;	2025	my ($path, $base) = @_;
1568		2026
1569	$path = "$path"; # make sure its a string	2027	$path = "$path"; # make sure it's a string
1570		2028
1571	$path =~ s/\.map$//;	2029	$path =~ s/\.map$//;
1572		2030
1573	# map plan:	2031	# map plan:
1574	#	2032	#
…		…
1589	$base =~ s{[^/]+/?$}{};	2047	$base =~ s{[^/]+/?$}{};
1590	$path = "$base/$path";	2048	$path = "$base/$path";
1591	}	2049	}
1592		2050
1593	for ($path) {	2051	for ($path) {
1594	redo if s{//}{/};
1595	redo if s{/\.?/}{/};	2052	redo if s{/\.?/}{/};
1596	redo if s{/[^/]+/\.\./}{/};	2053	redo if s{/[^/]+/\.\./}{/};
1597	}	2054	}
1598		2055
1599	$path	2056	$path
…		…
1613	$self->init; # pass $1 etc.	2070	$self->init; # pass $1 etc.
1614	return $self;	2071	return $self;
1615	}	2072	}
1616	}	2073	}
1617		2074
1618	Carp::carp "unable to resolve path '$path' (base '$base').";	2075	Carp::cluck "unable to resolve path '$path' (base '$base')";
1619	()	2076	()
1620	}	2077	}
1621		2078
		2079	# may re-bless or do other evil things
1622	sub init {	2080	sub init {
1623	my ($self) = @_;	2081	my ($self) = @_;
1624		2082
1625	$self	2083	$self
1626	}	2084	}
…		…
1645		2103
1646	# the temporary/swap location	2104	# the temporary/swap location
1647	sub save_path {	2105	sub save_path {
1648	my ($self) = @_;	2106	my ($self) = @_;
1649		2107
1650	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1651	"$TMPDIR/$path.map"	2109	"$TMPDIR/$path.map"
1652	}	2110	}
1653		2111
1654	# the unique path, undef == no special unique path	2112	# the unique path, undef == no special unique path
1655	sub uniq_path {	2113	sub uniq_path {
1656	my ($self) = @_;	2114	my ($self) = @_;
1657		2115
1658	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2116	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1659	"$UNIQUEDIR/$path"	2117	"$UNIQUEDIR/$path"
1660	}
1661
1662	# and all this just because we cannot iterate over
1663	# all maps in C++...
1664	sub change_all_map_light {
1665	my ($change) = @_;
1666
1667	$_->change_map_light ($change)
1668	for grep $_->outdoor, values %cf::MAP;
1669	}	2118	}
1670		2119
1671	sub decay_objects {	2120	sub decay_objects {
1672	my ($self) = @_;	2121	my ($self) = @_;
1673		2122
…		…
1686		2135
1687	sub load_header_from($) {	2136	sub load_header_from($) {
1688	my ($self, $path) = @_;	2137	my ($self, $path) = @_;
1689		2138
1690	utf8::encode $path;	2139	utf8::encode $path;
1691	#aio_open $path, O_RDONLY, 0	2140	my $f = new_from_file cf::object::thawer $path
1692	# or return;
1693
1694	$self->_load_header ($path)
1695	or return;	2141	or return;
1696		2142
		2143	$self->_load_header ($f)
		2144	or return;
		2145
		2146	local $MAP_LOADING{$self->{path}} = $self;
		2147	$f->resolve_delayed_derefs;
		2148
1697	$self->{load_path} = $path;	2149	$self->{load_path} = $path;
1698		2150
1699	1	2151	1
1700	}	2152	}
1701		2153
		2154	# used to laod the header of an original map
1702	sub load_header_orig {	2155	sub load_header_orig {
1703	my ($self) = @_;	2156	my ($self) = @_;
1704		2157
1705	$self->load_header_from ($self->load_path)	2158	$self->load_header_from ($self->load_path)
1706	}	2159	}
1707		2160
		2161	# used to laod the header of an instantiated map
1708	sub load_header_temp {	2162	sub load_header_temp {
1709	my ($self) = @_;	2163	my ($self) = @_;
1710		2164
1711	$self->load_header_from ($self->save_path)	2165	$self->load_header_from ($self->save_path)
1712	}	2166	}
1713		2167
		2168	# called after loading the header from an instantiated map
1714	sub prepare_temp {	2169	sub prepare_temp {
1715	my ($self) = @_;	2170	my ($self) = @_;
1716		2171
1717	$self->last_access ((delete $self->{last_access})	2172	$self->last_access ((delete $self->{last_access})
1718	|| $cf::RUNTIME); #d#	2173	|| $cf::RUNTIME); #d#
1719	# safety	2174	# safety
1720	$self->{instantiate_time} = $cf::RUNTIME	2175	$self->{instantiate_time} = $cf::RUNTIME
1721	if $self->{instantiate_time} > $cf::RUNTIME;	2176	if $self->{instantiate_time} > $cf::RUNTIME;
1722	}	2177	}
1723		2178
		2179	# called after loading the header from an original map
1724	sub prepare_orig {	2180	sub prepare_orig {
1725	my ($self) = @_;	2181	my ($self) = @_;
1726		2182
1727	$self->{load_original} = 1;	2183	$self->{load_original} = 1;
1728	$self->{instantiate_time} = $cf::RUNTIME;	2184	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1752		2208
1753	sub find;	2209	sub find;
1754	sub find {	2210	sub find {
1755	my ($path, $origin) = @_;	2211	my ($path, $origin) = @_;
1756		2212
		2213	cf::cede_to_tick;
		2214
1757	$path = normalise $path, $origin && $origin->path;	2215	$path = normalise $path, $origin;
1758		2216
		2217	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1759	cf::lock_wait "map_find:$path";	2218	my $guard2 = cf::lock_acquire "map_find:$path";
1760		2219
1761	$cf::MAP{$path} || do {	2220	$cf::MAP{$path} || do {
1762	my $guard = cf::lock_acquire "map_find:$path";
1763	my $map = new_from_path cf::map $path	2221	my $map = new_from_path cf::map $path
1764	or return;	2222	or return;
1765		2223
1766	$map->{last_save} = $cf::RUNTIME;	2224	$map->{last_save} = $cf::RUNTIME;
1767		2225
…		…
1769	or return;	2227	or return;
1770		2228
1771	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2229	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1772	# doing this can freeze the server in a sync job, obviously	2230	# doing this can freeze the server in a sync job, obviously
1773	#$cf::WAIT_FOR_TICK->wait;	2231	#$cf::WAIT_FOR_TICK->wait;
		2232	undef $guard2;
		2233	undef $guard1;
1774	$map->reset;	2234	$map->reset;
1775	undef $guard;
1776	return find $path;	2235	return find $path;
1777	}	2236	}
1778		2237
1779	$cf::MAP{$path} = $map	2238	$cf::MAP{$path} = $map
1780	}	2239	}
1781	}	2240	}
1782		2241
1783	sub pre_load { }	2242	sub pre_load { }
1784	sub post_load { }	2243	#sub post_load { } # XS
1785		2244
1786	sub load {	2245	sub load {
1787	my ($self) = @_;	2246	my ($self) = @_;
1788		2247
1789	local $self->{deny_reset} = 1; # loading can take a long time	2248	local $self->{deny_reset} = 1; # loading can take a long time
1790		2249
1791	my $path = $self->{path};	2250	my $path = $self->{path};
1792		2251
1793	{	2252	{
1794	my $guard = cf::lock_acquire "map_load:$path";	2253	my $guard = cf::lock_acquire "map_data:$path";
1795		2254
		2255	return unless $self->valid;
1796	return if $self->in_memory != cf::MAP_SWAPPED;	2256	return unless $self->state == cf::MAP_SWAPPED;
1797
1798	$self->in_memory (cf::MAP_LOADING);
1799		2257
1800	$self->alloc;	2258	$self->alloc;
1801		2259
1802	$self->pre_load;	2260	$self->pre_load;
1803	Coro::cede;	2261	cf::cede_to_tick;
1804		2262
1805	$self->_load_objects ($self->{load_path}, 1)	2263	if (exists $self->{load_path}) {
		2264	my $f = new_from_file cf::object::thawer $self->{load_path};
		2265	$f->skip_block;
		2266	$self->_load_objects ($f)
1806	or return;	2267	or return;
1807		2268
1808	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2269	$self->post_load_original
1809	if delete $self->{load_original};	2270	if delete $self->{load_original};
1810		2271
1811	if (my $uniq = $self->uniq_path) {	2272	if (my $uniq = $self->uniq_path) {
1812	utf8::encode $uniq;	2273	utf8::encode $uniq;
1813	if (aio_open $uniq, O_RDONLY, 0) {	2274	unless (aio_stat $uniq) {
		2275	if (my $f = new_from_file cf::object::thawer $uniq) {
1814	$self->clear_unique_items;	2276	$self->clear_unique_items;
1815	$self->_load_objects ($uniq, 0);	2277	$self->_load_objects ($f);
		2278	$f->resolve_delayed_derefs;
		2279	}
		2280	}
1816	}	2281	}
1817	}
1818		2282
1819	Coro::cede;	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);
		2290
		2291	cf::cede_to_tick;
1820	# now do the right thing for maps	2292	# now do the right thing for maps
1821	$self->link_multipart_objects;	2293	$self->link_multipart_objects;
1822	$self->difficulty ($self->estimate_difficulty)	2294	$self->difficulty ($self->estimate_difficulty)
1823	unless $self->difficulty;	2295	unless $self->difficulty;
1824	Coro::cede;	2296	cf::cede_to_tick;
1825		2297
1826	unless ($self->{deny_activate}) {	2298	unless ($self->{deny_activate}) {
1827	$self->decay_objects;	2299	$self->decay_objects;
1828	$self->fix_auto_apply;	2300	$self->fix_auto_apply;
1829	$self->update_buttons;	2301	$self->update_buttons;
1830	Coro::cede;	2302	cf::cede_to_tick;
1831	$self->set_darkness_map;	2303	#$self->activate; # no longer activate maps automatically
1832	Coro::cede;
1833	$self->activate;
1834	}	2304	}
1835		2305
1836	$self->in_memory (cf::MAP_IN_MEMORY);	2306	$self->{last_save} = $cf::RUNTIME;
		2307	$self->last_access ($cf::RUNTIME);
1837	}	2308	}
1838		2309
1839	$self->post_load;	2310	$self->post_load;
1840	}
1841		2311
		2312	1
		2313	}
		2314
		2315	# customize the map for a given player, i.e.
		2316	# return the _real_ map. used by e.g. per-player
		2317	# maps to change the path to ~playername/mappath
1842	sub customise_for {	2318	sub customise_for {
1843	my ($self, $ob) = @_;	2319	my ($self, $ob) = @_;
1844		2320
1845	return find "~" . $ob->name . "/" . $self->{path}	2321	return find "~" . $ob->name . "/" . $self->{path}
1846	if $self->per_player;	2322	if $self->per_player;
…		…
1849	# if $self->per_party;	2325	# if $self->per_party;
1850		2326
1851	$self	2327	$self
1852	}	2328	}
1853		2329
1854	# find and load all maps in the 3x3 area around a map
1855	sub load_diag {
1856	my ($map) = @_;
1857
1858	my @diag; # diagonal neighbours
1859
1860	for (0 .. 3) {
1861	my $neigh = $map->tile_path ($_)
1862	or next;
1863	$neigh = find $neigh, $map
1864	or next;
1865	$neigh->load;
1866
1867	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1868	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1869	}
1870
1871	for (@diag) {
1872	my $neigh = find @$_
1873	or next;
1874	$neigh->load;
1875	}
1876	}
1877
1878	sub find_sync {	2330	sub find_sync {
1879	my ($path, $origin) = @_;	2331	my ($path, $origin) = @_;
1880		2332
1881	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, $origin
1882	}	2338	}
1883		2339
1884	sub do_load_sync {	2340	sub do_load_sync {
1885	my ($map) = @_;	2341	my ($map) = @_;
1886		2342
1887	cf::sync_job { $map->load };	2343	# it's a bug to call this from the main context
		2344	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2345	if $Coro::current == $Coro::main;
		2346
		2347	$map->load;
1888	}	2348	}
1889		2349
1890	our %MAP_PREFETCH;	2350	our %MAP_PREFETCH;
1891	our $MAP_PREFETCHER = undef;	2351	our $MAP_PREFETCHER = undef;
1892		2352
1893	sub find_async {	2353	sub find_async {
1894	my ($path, $origin) = @_;	2354	my ($path, $origin, $load) = @_;
1895		2355
1896	$path = normalise $path, $origin && $origin->{path};	2356	$path = normalise $path, $origin;
1897		2357
1898	if (my $map = $cf::MAP{$path}) {	2358	if (my $map = $cf::MAP{$path}) {
1899	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2359	return $map if !$load || $map->linkable;
1900	}	2360	}
1901		2361
1902	undef $MAP_PREFETCH{$path};	2362	$MAP_PREFETCH{$path} |= $load;
		2363
1903	$MAP_PREFETCHER ||= cf::async {	2364	$MAP_PREFETCHER ||= cf::async {
		2365	$Coro::current->{desc} = "map prefetcher";
		2366
1904	while (%MAP_PREFETCH) {	2367	while (%MAP_PREFETCH) {
1905	for my $path (keys %MAP_PREFETCH) {	2368	while (my ($k, $v) = each %MAP_PREFETCH) {
1906	my $map = find $path	2369	if (my $map = find $k) {
1907	or next;
1908	$map->load;	2370	$map->load if $v;
		2371	}
1909		2372
1910	delete $MAP_PREFETCH{$path};	2373	delete $MAP_PREFETCH{$k};
1911	}	2374	}
1912	}	2375	}
1913	undef $MAP_PREFETCHER;	2376	undef $MAP_PREFETCHER;
1914	};	2377	};
1915	$MAP_PREFETCHER->prio (6);	2378	$MAP_PREFETCHER->prio (6);
1916		2379
1917	()	2380	()
1918	}	2381	}
1919		2382
		2383	# common code, used by both ->save and ->swapout
1920	sub save {	2384	sub _save {
1921	my ($self) = @_;	2385	my ($self) = @_;
1922
1923	my $lock = cf::lock_acquire "map_data:" . $self->path;
1924		2386
1925	$self->{last_save} = $cf::RUNTIME;	2387	$self->{last_save} = $cf::RUNTIME;
1926		2388
1927	return unless $self->dirty;	2389	return unless $self->dirty;
1928		2390
…		…
1934	return if $self->{deny_save};	2396	return if $self->{deny_save};
1935		2397
1936	local $self->{last_access} = $self->last_access;#d#	2398	local $self->{last_access} = $self->last_access;#d#
1937		2399
1938	cf::async {	2400	cf::async {
		2401	$Coro::current->{desc} = "map player save";
1939	$_->contr->save for $self->players;	2402	$_->contr->save for $self->players;
1940	};	2403	};
		2404
		2405	cf::get_slot 0.02;
1941		2406
1942	if ($uniq) {	2407	if ($uniq) {
1943	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2408	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1944	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2409	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1945	} else {	2410	} else {
1946	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2411	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1947	}	2412	}
1948	}	2413	}
1949		2414
		2415	sub save {
		2416	my ($self) = @_;
		2417
		2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2419
		2420	$self->_save;
		2421	}
		2422
1950	sub swap_out {	2423	sub swap_out {
1951	my ($self) = @_;	2424	my ($self) = @_;
1952		2425
1953	# save first because save cedes
1954	$self->save;
1955
1956	my $lock = cf::lock_acquire "map_data:" . $self->path;	2426	my $lock = cf::lock_acquire "map_data:$self->{path}";
1957		2427
		2428	return if !$self->linkable;
		2429	return if $self->{deny_save};
1958	return if $self->players;	2430	return if $self->players;
1959	return if $self->in_memory != cf::MAP_IN_MEMORY;
1960	return if $self->{deny_save};
1961		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
1962	$self->clear;	2441	$self->clear;
1963	$self->in_memory (cf::MAP_SWAPPED);
1964	}	2442	}
1965		2443
1966	sub reset_at {	2444	sub reset_at {
1967	my ($self) = @_;	2445	my ($self) = @_;
1968		2446
…		…
1986		2464
1987	my $lock = cf::lock_acquire "map_data:$self->{path}";	2465	my $lock = cf::lock_acquire "map_data:$self->{path}";
1988		2466
1989	return if $self->players;	2467	return if $self->players;
1990		2468
1991	warn "resetting map ", $self->path;	2469	cf::trace "resetting map ", $self->path, "\n";
1992		2470
1993	$self->in_memory (cf::MAP_SWAPPED);	2471	$self->state (cf::MAP_SWAPPED);
1994		2472
1995	# need to save uniques path	2473	# need to save uniques path
1996	unless ($self->{deny_save}) {	2474	unless ($self->{deny_save}) {
1997	my $uniq = $self->uniq_path; utf8::encode $uniq;	2475	my $uniq = $self->uniq_path; utf8::encode $uniq;
1998		2476
…		…
2000	if $uniq;	2478	if $uniq;
2001	}	2479	}
2002		2480
2003	delete $cf::MAP{$self->path};	2481	delete $cf::MAP{$self->path};
2004		2482
		2483	$self->deactivate;
		2484	$_->clear_links_to ($self) for values %cf::MAP;
2005	$self->clear;	2485	$self->clear;
2006
2007	$_->clear_links_to ($self) for values %cf::MAP;
2008		2486
2009	$self->unlink_save;	2487	$self->unlink_save;
2010	$self->destroy;	2488	$self->destroy;
2011	}	2489	}
2012		2490
2013	my $nuke_counter = "aaaa";	2491	my $nuke_counter = "aaaa";
2014		2492
2015	sub nuke {	2493	sub nuke {
2016	my ($self) = @_;	2494	my ($self) = @_;
2017		2495
		2496	{
		2497	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2498
2018	delete $cf::MAP{$self->path};	2499	delete $cf::MAP{$self->path};
2019		2500
2020	$self->unlink_save;	2501	$self->unlink_save;
2021		2502
2022	bless $self, "cf::map";	2503	bless $self, "cf::map::wrap";
2023	delete $self->{deny_reset};	2504	delete $self->{deny_reset};
2024	$self->{deny_save} = 1;	2505	$self->{deny_save} = 1;
2025	$self->reset_timeout (1);	2506	$self->reset_timeout (1);
2026	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2507	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2027		2508
2028	$cf::MAP{$self->path} = $self;	2509	$cf::MAP{$self->path} = $self;
		2510	}
2029		2511
2030	$self->reset; # polite request, might not happen	2512	$self->reset; # polite request, might not happen
2031	}	2513	}
2032		2514
2033	=item $maps = cf::map::tmp_maps	2515	=item $maps = cf::map::tmp_maps
…		…
2075		2557
2076	sub unique_maps() {	2558	sub unique_maps() {
2077	[	2559	[
2078	map {	2560	map {
2079	utf8::decode $_;	2561	utf8::decode $_;
2080	/\.map$/	2562	s/\.map$//; # TODO future compatibility hack
		2563	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2564	? ()
2081	? normalise $_	2565	: normalise $_
2082	: ()
2083	} @{ aio_readdir $UNIQUEDIR or [] }	2566	} @{ aio_readdir $UNIQUEDIR or [] }
2084	]	2567	]
2085	}	2568	}
2086		2569
2087	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	}
2088		2601
2089	=back	2602	=back
2090		2603
2091	=head3 cf::object	2604	=head3 cf::object
2092		2605
…		…
2096		2609
2097	=over 4	2610	=over 4
2098		2611
2099	=item $ob->inv_recursive	2612	=item $ob->inv_recursive
2100		2613
2101	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.
2102		2616
2103	=cut	2617	=cut
2104		2618
2105	sub inv_recursive_;	2619	sub inv_recursive_;
2106	sub inv_recursive_ {	2620	sub inv_recursive_ {
…		…
2109		2623
2110	sub inv_recursive {	2624	sub inv_recursive {
2111	inv_recursive_ inv $_[0]	2625	inv_recursive_ inv $_[0]
2112	}	2626	}
2113		2627
		2628	=item $ref = $ob->ref
		2629
		2630	Creates and returns a persistent reference to an object that can be stored as a string.
		2631
		2632	=item $ob = cf::object::deref ($refstring)
		2633
		2634	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2635	even if the object actually exists. May block.
		2636
		2637	=cut
		2638
		2639	sub deref {
		2640	my ($ref) = @_;
		2641
		2642	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2643	my ($uuid, $name) = ($1, $2);
		2644	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2645	or return;
		2646	$pl->ob->uuid eq $uuid
		2647	or return;
		2648
		2649	$pl->ob
		2650	} else {
		2651	warn "$ref: cannot resolve object reference\n";
		2652	undef
		2653	}
		2654	}
		2655
2114	package cf;	2656	package cf;
2115		2657
2116	=back	2658	=back
2117		2659
2118	=head3 cf::object::player	2660	=head3 cf::object::player
…		…
2124	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2666	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2125	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
2126	dialogue with the given NPC character.	2668	dialogue with the given NPC character.
2127		2669
2128	=cut	2670	=cut
		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	};
2129		2685
2130	# rough implementation of a future "reply" method that works	2686	# rough implementation of a future "reply" method that works
2131	# with dialog boxes.	2687	# with dialog boxes.
2132	#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
2133	sub cf::object::player::reply($$$;$) {	2689	sub cf::object::player::reply($$$;$) {
…		…
2140		2696
2141	} else {	2697	} else {
2142	my $pl = $self->contr;	2698	my $pl = $self->contr;
2143		2699
2144	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2700	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2145	my $diag = $pl->{npc_dialog};	2701	my $dialog = $pl->{npc_dialog};
2146	$diag->{pl}->ext_reply (	2702	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2147	$diag->{id},
2148	msgtype => "reply",
2149	msg => $diag->{pl}->expand_cfpod ($msg),
2150	add_topics => []
2151	);
2152		2703
2153	} else {	2704	} else {
2154	$msg = $npc->name . " says: $msg" if $npc;	2705	$msg = $npc->name . " says: $msg" if $npc;
2155	$self->message ($msg, $flags);	2706	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2156	}	2707	}
2157	}	2708	}
		2709	}
		2710
		2711	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2712
		2713	=cut
		2714
		2715	sub cf::object::send_msg {
		2716	my $pl = shift->contr
		2717	or return;
		2718	$pl->send_msg (@_);
2158	}	2719	}
2159		2720
2160	=item $player_object->may ("access")	2721	=item $player_object->may ("access")
2161		2722
2162	Returns wether the given player is authorized to access resource "access"	2723	Returns wether the given player is authorized to access resource "access"
…		…
2175		2736
2176	=item $player_object->enter_link	2737	=item $player_object->enter_link
2177		2738
2178	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}>).
2179		2740
2180	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.
2181	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.
2182		2745
2183	Will never block.	2746	Will never block.
2184		2747
2185	=item $player_object->leave_link ($map, $x, $y)	2748	=item $player_object->leave_link ($map, $x, $y)
2186		2749
…		…
2206	sub cf::object::player::enter_link {	2769	sub cf::object::player::enter_link {
2207	my ($self) = @_;	2770	my ($self) = @_;
2208		2771
2209	$self->deactivate_recursive;	2772	$self->deactivate_recursive;
2210		2773
		2774	++$self->{_link_recursion};
		2775
2211	return if UNIVERSAL::isa $self->map, "ext::map_link";	2776	return if UNIVERSAL::isa $self->map, "ext::map_link";
2212		2777
2213	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2214	if $self->map && $self->map->{path} ne "{link}";	2779	if $self->map && $self->map->{path} ne "{link}";
2215		2780
2216	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2781	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2217	}	2782	}
2218		2783
2219	sub cf::object::player::leave_link {	2784	sub cf::object::player::leave_link {
2220	my ($self, $map, $x, $y) = @_;	2785	my ($self, $map, $x, $y) = @_;
2221		2786
…		…
2238	($x, $y) = (-1, -1)	2803	($x, $y) = (-1, -1)
2239	unless (defined $x) && (defined $y);	2804	unless (defined $x) && (defined $y);
2240		2805
2241	# use -1 or undef as default coordinates, not 0, 0	2806	# use -1 or undef as default coordinates, not 0, 0
2242	($x, $y) = ($map->enter_x, $map->enter_y)	2807	($x, $y) = ($map->enter_x, $map->enter_y)
2243	if $x <=0 && $y <= 0;	2808	if $x <= 0 && $y <= 0;
2244		2809
2245	$map->load;	2810	$map->load;
2246	$map->load_diag;
2247		2811
2248	return unless $self->contr->active;	2812	return unless $self->contr->active;
2249	$self->activate_recursive;
2250		2813
2251	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2814	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2252	$self->enter_map ($map, $x, $y);	2815	if ($self->enter_map ($map, $x, $y)) {
2253	}	2816	# entering was successful
		2817	delete $self->{_link_recursion};
		2818	# only activate afterwards, to support waiting in hooks
		2819	$self->activate_recursive;
		2820	}
2254		2821
		2822	}
		2823
2255	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2824	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2256		2825
2257	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
2258	her, loading and preparing them map, calling the provided $check callback	2827	her, loading and preparing them map, calling the provided $check callback
2259	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
2260	the new (success) or old (failed) map position.	2829	the new (success) or old (failed) map position. In either case, $done will
		2830	be called at the end of this process.
		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 >>.
2261		2834
2262	=cut	2835	=cut
2263		2836
2264	our $GOTOGEN;	2837	our $GOTOGEN;
2265		2838
2266	sub cf::object::player::goto {	2839	sub cf::object::player::goto {
2267	my ($self, $path, $x, $y, $check) = @_;	2840	my ($self, $path, $x, $y, $check, $done) = @_;
		2841
		2842	if ($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	}
2268		2847
2269	# 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
2270	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2849	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2271		2850
2272	$self->enter_link;	2851	$self->enter_link;
2273		2852
2274	(async {	2853	(async {
		2854	$Coro::current->{desc} = "player::goto $path $x $y";
		2855
		2856	# *tag paths override both path and x|y
		2857	if ($path =~ /^\*(.*)$/) {
		2858	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2859	my $ob = $obs[rand @obs];
		2860
		2861	# see if we actually can go there
		2862	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2863	$ob = $obs[rand @obs];
		2864	} else {
		2865	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2866	}
		2867	# else put us there anyways for now #d#
		2868
		2869	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2870	} else {
		2871	($path, $x, $y) = (undef, undef, undef);
		2872	}
		2873	}
		2874
2275	my $map = eval {	2875	my $map = eval {
2276	my $map = cf::map::find $path;	2876	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2277		2877
2278	if ($map) {	2878	if ($map) {
2279	$map = $map->customise_for ($self);	2879	$map = $map->customise_for ($self);
2280	$map = $check->($map) if $check && $map;	2880	$map = $check->($map, $x, $y, $self) if $check && $map;
2281	} else {	2881	} else {
2282	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2882	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2283	}	2883	}
2284		2884
2285	$map	2885	$map
2286	};	2886	};
2287		2887
…		…
2292		2892
2293	if ($gen == $self->{_goto_generation}) {	2893	if ($gen == $self->{_goto_generation}) {
2294	delete $self->{_goto_generation};	2894	delete $self->{_goto_generation};
2295	$self->leave_link ($map, $x, $y);	2895	$self->leave_link ($map, $x, $y);
2296	}	2896	}
		2897
		2898	$done->($self) if $done;
2297	})->prio (1);	2899	})->prio (1);
2298	}	2900	}
2299		2901
2300	=item $player_object->enter_exit ($exit_object)	2902	=item $player_object->enter_exit ($exit_object)
2301		2903
…		…
2321	}	2923	}
2322		2924
2323	sub prepare_random_map {	2925	sub prepare_random_map {
2324	my ($exit) = @_;	2926	my ($exit) = @_;
2325		2927
2326	my $guard = cf::lock_acquire "exit_prepare:$exit";
2327
2328	# all this does is basically replace the /! path by	2928	# all this does is basically replace the /! path by
2329	# a new random map path (?random/...) with a seed	2929	# a new random map path (?random/...) with a seed
2330	# that depends on the exit object	2930	# that depends on the exit object
2331		2931
2332	my $rmp = parse_random_map_params $exit->msg;	2932	my $rmp = parse_random_map_params $exit->msg;
…		…
2334	if ($exit->map) {	2934	if ($exit->map) {
2335	$rmp->{region} = $exit->region->name;	2935	$rmp->{region} = $exit->region->name;
2336	$rmp->{origin_map} = $exit->map->path;	2936	$rmp->{origin_map} = $exit->map->path;
2337	$rmp->{origin_x} = $exit->x;	2937	$rmp->{origin_x} = $exit->x;
2338	$rmp->{origin_y} = $exit->y;	2938	$rmp->{origin_y} = $exit->y;
		2939
		2940	$exit->map->touch;
2339	}	2941	}
2340		2942
2341	$rmp->{random_seed} ||= $exit->random_seed;	2943	$rmp->{random_seed} ||= $exit->random_seed;
2342		2944
2343	my $data = cf::to_json $rmp;	2945	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2344	my $md5 = Digest::MD5::md5_hex $data;	2946	my $md5 = Digest::MD5::md5_hex $data;
2345	my $meta = "$RANDOMDIR/$md5.meta";	2947	my $meta = "$RANDOMDIR/$md5.meta";
2346		2948
2347	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2949	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2348	aio_write $fh, 0, (length $data), $data, 0;	2950	aio_write $fh, 0, (length $data), $data, 0;
2349	undef $fh;	2951	undef $fh;
2350	aio_rename "$meta~", $meta;	2952	aio_rename "$meta~", $meta;
2351		2953
		2954	my $slaying = "?random/$md5";
		2955
		2956	if ($exit->valid) {
2352	$exit->slaying ("?random/$md5");	2957	$exit->slaying ("?random/$md5");
2353	$exit->msg (undef);	2958	$exit->msg (undef);
		2959	}
2354	}	2960	}
2355	}	2961	}
2356		2962
2357	sub cf::object::player::enter_exit {	2963	sub cf::object::player::enter_exit {
2358	my ($self, $exit) = @_;	2964	my ($self, $exit) = @_;
2359		2965
2360	return unless $self->type == cf::PLAYER;	2966	return unless $self->type == cf::PLAYER;
2361		2967
2362	if ($exit->slaying eq "/!") {
2363	#TODO: this should de-fi-ni-te-ly not be a sync-job
2364	# the problem is that $exit might not survive long enough
2365	# so it needs to be done right now, right here
2366	cf::sync_job { prepare_random_map $exit };
2367	}
2368
2369	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2370	my $hp = $exit->stats->hp;
2371	my $sp = $exit->stats->sp;
2372
2373	$self->enter_link;	2968	$self->enter_link;
2374		2969
2375	# if exit is damned, update players death & WoR home-position
2376	$self->contr->savebed ($slaying, $hp, $sp)
2377	if $exit->flag (FLAG_DAMNED);
2378
2379	(async {	2970	(async {
2380	$self->deactivate_recursive; # just to be sure	2971	$Coro::current->{desc} = "enter_exit";
		2972
2381	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
2382	$self->goto ($slaying, $hp, $sp);	3003	$self->goto ($map, $x, $y);
2383		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
2384	1;	3009	1
2385	}) {	3010	}) {
2386	$self->message ("Something went wrong deep within the crossfire server. "	3011	$self->message ("Something went wrong deep within the deliantra server. "
2387	. "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. "
2388	. "Please report this to the dungeon master!",	3013	. "Please report this to the dungeon master!",
2389	cf::NDI_UNIQUE | cf::NDI_RED);	3014	cf::NDI_UNIQUE | cf::NDI_RED);
2390		3015
2391	warn "ERROR in enter_exit: $@";	3016	error "ERROR in enter_exit: $@";
2392	$self->leave_link;	3017	$self->leave_link;
2393	}	3018	}
2394	})->prio (1);	3019	})->prio (1);
2395	}	3020	}
2396		3021
…		…
2410		3035
2411	utf8::encode $text;	3036	utf8::encode $text;
2412	$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);
2413	}	3038	}
2414		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);
		3063	}
		3064
2415	=item $client->send_msg ($color, $type, $msg, [extra...])	3065	=item $client->send_msg ($channel, $msg, $color, [extra...])
2416		3066
2417	Send a drawinfo or msg packet to the client, formatting the msg for the	3067	Send a drawinfo or msg packet to the client, formatting the msg for the
2418	client if neccessary. C<$type> should be a string identifying the type of	3068	client if neccessary. C<$type> should be a string identifying the type of
2419	the message, with C<log> being the default. If C<$color> is negative, suppress	3069	the message, with C<log> being the default. If C<$color> is negative, suppress
2420	the message unless the client supports the msg packet.	3070	the message unless the client supports the msg packet.
2421		3071
2422	=cut	3072	=cut
2423		3073
		3074	# non-persistent channels (usually the info channel)
		3075	our %CHANNEL = (
		3076	"c/motd" => {
		3077	id => "infobox",
		3078	title => "MOTD",
		3079	reply => undef,
		3080	tooltip => "The message of the day",
		3081	},
		3082	"c/identify" => {
		3083	id => "infobox",
		3084	title => "Identify",
		3085	reply => undef,
		3086	tooltip => "Items recently identified",
		3087	},
		3088	"c/examine" => {
		3089	id => "infobox",
		3090	title => "Examine",
		3091	reply => undef,
		3092	tooltip => "Signs and other items you examined",
		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" => $CHAT_CHANNEL,
		3186	);
		3187
2424	sub cf::client::send_msg {	3188	sub cf::client::send_msg {
2425	my ($self, $color, $type, $msg, @extra) = @_;	3189	my ($self, $channel, $msg, $color, @extra) = @_;
2426		3190
2427	$msg = $self->pl->expand_cfpod ($msg);	3191	$msg = $self->pl->expand_cfpod ($msg)
		3192	unless $color & cf::NDI_VERBATIM;
		3193
		3194	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3195
		3196	# check predefined channels, for the benefit of C
		3197	if ($CHANNEL{$channel}) {
		3198	$channel = $CHANNEL{$channel};
		3199
		3200	$self->ext_msg (channel_info => $channel);
		3201	$channel = $channel->{id};
		3202
		3203	} elsif (ref $channel) {
		3204	# send meta info to client, if not yet sent
		3205	unless (exists $self->{channel}{$channel->{id}}) {
		3206	$self->{channel}{$channel->{id}} = $channel;
		3207	$self->ext_msg (channel_info => $channel);
		3208	}
		3209
		3210	$channel = $channel->{id};
		3211	}
2428		3212
2429	return unless @extra || length $msg;	3213	return unless @extra || length $msg;
2430		3214
2431	if ($self->can_msg) {	3215	# default colour, mask it out
2432	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3216	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2433	} else {	3217	if $color & cf::NDI_DEF;
2434	# replace some tags by gcfclient-compatible ones
2435	for ($msg) {
2436	1 while
2437	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2438	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2439	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2440	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2441	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2442	}
2443		3218
2444	if ($color >= 0) {	3219	my $pkt = "msg "
2445	if (0 && $msg =~ /\[/) {	3220	. $self->{json_coder}->encode (
2446	$self->send_packet ("drawextinfo $color 4 0 $msg")	3221	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2447	} else {	3222	);
2448	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2449	$self->send_packet ("drawinfo $color $msg")
2450	}
2451	}
2452	}
2453	}
2454		3223
		3224	$self->send_big_packet ($pkt);
		3225	}
		3226
2455	=item $client->ext_event ($type, %msg)	3227	=item $client->ext_msg ($type, @msg)
2456		3228
2457	Sends an ext event to the client.	3229	Sends an ext event to the client.
2458		3230
2459	=cut	3231	=cut
2460		3232
2461	sub cf::client::ext_event($$%) {	3233	sub cf::client::ext_msg($$@) {
2462	my ($self, $type, %msg) = @_;	3234	my ($self, $type, @msg) = @_;
2463		3235
		3236	if ($self->extcmd == 2) {
		3237	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3238	} elsif ($self->extcmd == 1) { # TODO: remove
2464	$msg{msgtype} = "event_$type";	3239	push @msg, msgtype => "event_$type";
2465	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3240	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3241	}
		3242	}
		3243
		3244	=item $client->ext_reply ($msgid, @msg)
		3245
		3246	Sends an ext reply to the client.
		3247
		3248	=cut
		3249
		3250	sub cf::client::ext_reply($$@) {
		3251	my ($self, $id, @msg) = @_;
		3252
		3253	return unless $self->extcmd == 2;
		3254
		3255	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2466	}	3256	}
2467		3257
2468	=item $success = $client->query ($flags, "text", \&cb)	3258	=item $success = $client->query ($flags, "text", \&cb)
2469		3259
2470	Queues a query to the client, calling the given callback with	3260	Queues a query to the client, calling the given callback with
…		…
2525	my ($ns, $buf) = @_;	3315	my ($ns, $buf) = @_;
2526		3316
2527	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3317	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2528		3318
2529	if (ref $msg) {	3319	if (ref $msg) {
		3320	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3321
		3322	my @reply;
		3323
2530	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3324	if (my $cb = $EXTICMD{$type}) {
2531	if (my %reply = $cb->($ns, $msg)) {	3325	@reply = $cb->($ns, @payload);
2532	$reply{msgid} = $msg->{msgid};
2533	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2534	}
2535	}	3326	}
		3327
		3328	$ns->ext_reply ($reply, @reply)
		3329	if $reply;
		3330
2536	} else {	3331	} else {
2537	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";
2538	}	3333	}
2539		3334
2540	cf::override;	3335	cf::override;
2541	},	3336	},
2542	);	3337	);
…		…
2562		3357
2563	$coro	3358	$coro
2564	}	3359	}
2565		3360
2566	cf::client->attach (	3361	cf::client->attach (
2567	on_destroy => sub {	3362	on_client_destroy => sub {
2568	my ($ns) = @_;	3363	my ($ns) = @_;
2569		3364
2570	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3365	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2571	},	3366	},
2572	);	3367	);
…		…
2587	our $safe = new Safe "safe";	3382	our $safe = new Safe "safe";
2588	our $safe_hole = new Safe::Hole;	3383	our $safe_hole = new Safe::Hole;
2589		3384
2590	$SIG{FPE} = 'IGNORE';	3385	$SIG{FPE} = 'IGNORE';
2591		3386
2592	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3387	$safe->permit_only (Opcode::opset qw(
		3388	:base_core :base_mem :base_orig :base_math :base_loop
		3389	grepstart grepwhile mapstart mapwhile
		3390	sort time
		3391	));
2593		3392
2594	# here we export the classes and methods available to script code	3393	# here we export the classes and methods available to script code
2595		3394
2596	=pod	3395	=pod
2597		3396
2598	The following functions and methods are available within a safe environment:	3397	The following functions and methods are available within a safe environment:
2599		3398
2600	cf::object	3399	cf::object
2601	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
2602	insert remove	3401	insert remove name archname title slaying race decrease split
		3402	value
2603		3403
2604	cf::object::player	3404	cf::object::player
2605	player	3405	player
2606		3406
2607	cf::player	3407	cf::player
…		…
2612		3412
2613	=cut	3413	=cut
2614		3414
2615	for (	3415	for (
2616	["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
2617	insert remove)],	3417	insert remove inv nrof name archname title slaying race
		3418	decrease split destroy change_exp value msg lore send_msg)],
2618	["cf::object::player" => qw(player)],	3419	["cf::object::player" => qw(player)],
2619	["cf::player" => qw(peaceful)],	3420	["cf::player" => qw(peaceful send_msg)],
2620	["cf::map" => qw(trigger)],	3421	["cf::map" => qw(trigger)],
2621	) {	3422	) {
2622	no strict 'refs';
2623	my ($pkg, @funs) = @$_;	3423	my ($pkg, @funs) = @$_;
2624	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3424	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2625	for @funs;	3425	for @funs;
2626	}	3426	}
2627		3427
…		…
2642		3442
2643	my $qcode = $code;	3443	my $qcode = $code;
2644	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3444	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2645	$qcode =~ s/\n/\\n/g;	3445	$qcode =~ s/\n/\\n/g;
2646		3446
		3447	%vars = (_dummy => 0) unless %vars;
		3448
		3449	my @res;
2647	local $_;	3450	local $_;
2648	local @safe::cf::_safe_eval_args = values %vars;
2649		3451
2650	my $eval =	3452	my $eval =
2651	"do {\n"	3453	"do {\n"
2652	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3454	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2653	. "#line 0 \"{$qcode}\"\n"	3455	. "#line 0 \"{$qcode}\"\n"
2654	. $code	3456	. $code
2655	. "\n}"	3457	. "\n}"
2656	;	3458	;
2657		3459
		3460	if ($CFG{safe_eval}) {
2658	sub_generation_inc;	3461	sub_generation_inc;
		3462	local @safe::cf::_safe_eval_args = values %vars;
2659	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3463	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2660	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	}
2661		3469
2662	if ($@) {	3470	if ($@) {
2663	warn "$@";	3471	warn "$@",
2664	warn "while executing safe code '$code'\n";	3472	"while executing safe code '$code'\n",
2665	warn "with arguments " . (join " ", %vars) . "\n";	3473	"with arguments " . (join " ", %vars) . "\n";
2666	}	3474	}
2667		3475
2668	wantarray ? @res : $res[0]	3476	wantarray ? @res : $res[0]
2669	}	3477	}
2670		3478
…		…
2684	=cut	3492	=cut
2685		3493
2686	sub register_script_function {	3494	sub register_script_function {
2687	my ($fun, $cb) = @_;	3495	my ($fun, $cb) = @_;
2688		3496
2689	no strict 'refs';	3497	$fun = "safe::$fun" if $CFG{safe_eval};
2690	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3498	*$fun = $safe_hole->wrap ($cb);
2691	}	3499	}
2692		3500
2693	=back	3501	=back
2694		3502
2695	=cut	3503	=cut
2696		3504
2697	#############################################################################	3505	#############################################################################
2698	# the server's init and main functions	3506	# the server's init and main functions
2699		3507
		3508	our %FACEHASH; # hash => idx, #d# HACK for http server
		3509
2700	sub load_facedata($) {	3510	sub load_facedata($) {
2701	my ($path) = @_;	3511	my ($path) = @_;
2702		3512
		3513	# HACK to clear player env face cache, we need some signal framework
		3514	# for this (global event?)
		3515	%ext::player_env::MUSIC_FACE_CACHE = ();
		3516
		3517	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3518
2703	warn "loading facedata from $path\n";	3519	trace "loading facedata from $path\n";
2704		3520
2705	my $facedata;	3521	my $facedata = decode_storable load_file $path;
2706	0 < aio_load $path, $facedata
2707	or die "$path: $!";
2708
2709	$facedata = Coro::Storable::thaw $facedata;
2710		3522
2711	$facedata->{version} == 2	3523	$facedata->{version} == 2
2712	or cf::cleanup "$path: version mismatch, cannot proceed.";	3524	or cf::cleanup "$path: version mismatch, cannot proceed.";
2713		3525
		3526	# patch in the exptable
		3527	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3528	$facedata->{resource}{"res/exp_table"} = {
		3529	type => FT_RSRC,
		3530	data => $exp_table,
		3531	hash => (Digest::MD5::md5 $exp_table),
		3532	};
		3533	cf::cede_to_tick;
		3534
2714	{	3535	{
2715	my $faces = $facedata->{faceinfo};	3536	my $faces = $facedata->{faceinfo};
2716		3537
2717	while (my ($face, $info) = each %$faces) {	3538	for my $face (sort keys %$faces) {
		3539	my $info = $faces->{$face};
2718	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3540	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3541
2719	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3542	cf::face::set_visibility $idx, $info->{visibility};
		3543	cf::face::set_magicmap $idx, $info->{magicmap};
2720	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3544	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2721	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3545	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2722	Coro::cede;	3546	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3547	$FACEHASH{$info->{hash64}} = $idx;#d#
		3548
		3549	cf::cede_to_tick;
2723	}	3550	}
2724		3551
2725	while (my ($face, $info) = each %$faces) {	3552	while (my ($face, $info) = each %$faces) {
2726	next unless $info->{smooth};	3553	next unless $info->{smooth};
		3554
2727	my $idx = cf::face::find $face	3555	my $idx = cf::face::find $face
2728	or next;	3556	or next;
		3557
2729	if (my $smooth = cf::face::find $info->{smooth}) {	3558	if (my $smooth = cf::face::find $info->{smooth}) {
		3559	cf::face::set_smooth $idx, $smooth;
2730	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3560	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2731	} else {	3561	} else {
2732	warn "smooth face '$info->{smooth}' not found for face '$face'";	3562	error "smooth face '$info->{smooth}' not found for face '$face'";
2733	}	3563	}
2734	Coro::cede;	3564
		3565	cf::cede_to_tick;
2735	}	3566	}
2736	}	3567	}
2737		3568
2738	{	3569	{
2739	my $anims = $facedata->{animinfo};	3570	my $anims = $facedata->{animinfo};
2740		3571
2741	while (my ($anim, $info) = each %$anims) {	3572	while (my ($anim, $info) = each %$anims) {
2742	cf::anim::set $anim, $info->{frames}, $info->{facings};	3573	cf::anim::set $anim, $info->{frames}, $info->{facings};
2743	Coro::cede;	3574	cf::cede_to_tick;
2744	}	3575	}
2745		3576
2746	cf::anim::invalidate_all; # d'oh	3577	cf::anim::invalidate_all; # d'oh
2747	}	3578	}
2748		3579
		3580	{
		3581	my $res = $facedata->{resource};
		3582
		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
		3586	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3587
		3588	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3589	cf::face::set_type $idx, $type;
		3590	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3591	$FACEHASH{$info->{hash}} = $idx;#d#
		3592	} else {
		3593	# $RESOURCE{$name} = $info; # unused
		3594	}
		3595
		3596	cf::cede_to_tick;
		3597	}
		3598	}
		3599
		3600	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3601
2749	1	3602	1
2750	}	3603	}
2751		3604
		3605	register_exticmd fx_want => sub {
		3606	my ($ns, $want) = @_;
		3607
		3608	while (my ($k, $v) = each %$want) {
		3609	$ns->fx_want ($k, $v);
		3610	}
		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	}
		3622
2752	sub reload_regions {	3623	sub reload_regions {
		3624	# HACK to clear player env face cache, we need some signal framework
		3625	# for this (global event?)
		3626	%ext::player_env::MUSIC_FACE_CACHE = ();
		3627
2753	load_resource_file "$MAPDIR/regions"	3628	load_resource_file "$MAPDIR/regions"
2754	or die "unable to load regions file\n";	3629	or die "unable to load regions file\n";
		3630
		3631	for (cf::region::list) {
		3632	$_->{match} = qr/$_->{match}/
		3633	if exists $_->{match};
		3634	}
2755	}	3635	}
2756		3636
2757	sub reload_facedata {	3637	sub reload_facedata {
2758	load_facedata "$DATADIR/facedata"	3638	load_facedata "$DATADIR/facedata"
2759	or die "unable to load facedata\n";	3639	or die "unable to load facedata\n";
2760	}	3640	}
2761		3641
2762	sub reload_archetypes {	3642	sub reload_archetypes {
2763	load_resource_file "$DATADIR/archetypes"	3643	load_resource_file "$DATADIR/archetypes"
2764	or die "unable to load archetypes\n";	3644	or die "unable to load archetypes\n";
2765	#d# NEED to laod twice to resolve forward references
2766	# this really needs to be done in an extra post-pass
2767	# (which needs to be synchronous, so solve it differently)
2768	load_resource_file "$DATADIR/archetypes"
2769	or die "unable to load archetypes\n";
2770	}	3645	}
2771		3646
2772	sub reload_treasures {	3647	sub reload_treasures {
2773	load_resource_file "$DATADIR/treasures"	3648	load_resource_file "$DATADIR/treasures"
2774	or die "unable to load treasurelists\n";	3649	or die "unable to load treasurelists\n";
2775	}	3650	}
2776		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
2777	sub reload_resources {	3672	sub reload_resources {
2778	warn "reloading resource files...\n";	3673	trace "reloading resource files...\n";
2779		3674
		3675	reload_exp_table;
		3676	reload_materials;
		3677	reload_facedata;
		3678	reload_sound;
		3679	reload_archetypes;
2780	reload_regions;	3680	reload_regions;
2781	reload_facedata;
2782	#reload_archetypes;#d#
2783	reload_archetypes;
2784	reload_treasures;	3681	reload_treasures;
2785		3682
2786	warn "finished reloading resource files\n";	3683	trace "finished reloading resource files\n";
2787	}	3684	}
2788		3685
2789	sub init {	3686	sub reload_config {
2790	reload_resources;	3687	trace "reloading config file...\n";
2791	}
2792		3688
2793	sub cfg_load {	3689	my $config = load_file "$CONFDIR/config";
2794	open my $fh, "<:utf8", "$CONFDIR/config"	3690	utf8::decode $config;
2795	or return;	3691	*CFG = decode_yaml $config;
2796		3692
2797	local $/;
2798	*CFG = YAML::Syck::Load <$fh>;
2799
2800	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3693	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2801		3694
2802	$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};
2803	$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};
2804		3697
2805	if (exists $CFG{mlockall}) {	3698	if (exists $CFG{mlockall}) {
…		…
2809	};	3702	};
2810	warn $@ if $@;	3703	warn $@ if $@;
2811	}	3704	}
2812	}	3705	}
2813		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
2814	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
2815	# we must not ever block the main coroutine	3745	# we must not ever block the main coroutine
2816	local $Coro::idle = sub {	3746	local $Coro::idle = sub {
2817	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#
2818	(async {	3748	(async {
2819	Event::one_event;	3749	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3750	EV::loop EV::LOOP_ONESHOT;
2820	})->prio (Coro::PRIO_MAX);	3751	})->prio (Coro::PRIO_MAX);
2821	};	3752	};
2822		3753
2823	cfg_load;	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;
		3766	reload_config;
2824	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
2825	load_extensions;	3777	load_extensions;
2826		3778
2827	$TICK_WATCHER->start;	3779	utime time, time, $RUNTIMEFILE;
2828	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;
2829	}	3796	}
2830		3797
2831	#############################################################################	3798	#############################################################################
2832	# initialisation and cleanup	3799	# initialisation and cleanup
2833		3800
2834	# install some emergency cleanup handlers	3801	# install some emergency cleanup handlers
2835	BEGIN {	3802	BEGIN {
		3803	our %SIGWATCHER = ();
2836	for my $signal (qw(INT HUP TERM)) {	3804	for my $signal (qw(INT HUP TERM)) {
2837	Event->signal (	3805	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2838	reentrant => 0,
2839	data => WF_AUTOCANCEL,
2840	signal => $signal,
2841	prio => 0,
2842	cb => sub {
2843	cf::cleanup "SIG$signal";	3806	cf::cleanup "SIG$signal";
2844	},
2845	);	3807	};
2846	}	3808	}
2847	}	3809	}
2848		3810
2849	sub write_runtime {	3811	sub write_runtime_sync {
2850	my $runtime = "$LOCALDIR/runtime";	3812	my $t0 = AE::time;
2851		3813
2852	# first touch the runtime file to show we are still running:	3814	# first touch the runtime file to show we are still running:
2853	# the fsync below can take a very very long time.	3815	# the fsync below can take a very very long time.
2854		3816
2855	IO::AIO::aio_utime $runtime, undef, undef;	3817	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2856		3818
2857	my $guard = cf::lock_acquire "write_runtime";	3819	my $guard = cf::lock_acquire "write_runtime";
2858		3820
2859	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3821	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2860	or return;	3822	or return;
2861		3823
2862	my $value = $cf::RUNTIME + 90 + 10;	3824	my $value = $cf::RUNTIME + 90 + 10;
2863	# 10 is the runtime save interval, for a monotonic clock	3825	# 10 is the runtime save interval, for a monotonic clock
2864	# 60 allows for the watchdog to kill the server.	3826	# 60 allows for the watchdog to kill the server.
…		…
2874	aio_utime $fh, undef, undef;	3836	aio_utime $fh, undef, undef;
2875		3837
2876	close $fh	3838	close $fh
2877	or return;	3839	or return;
2878		3840
2879	aio_rename "$runtime~", $runtime	3841	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2880	and return;	3842	and return;
2881		3843
2882	warn "runtime file written.\n";	3844	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2883		3845
2884	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 };
2885	}	3897	}
2886		3898
2887	sub emergency_save() {	3899	sub emergency_save() {
2888	my $freeze_guard = cf::freeze_mainloop;	3900	my $freeze_guard = cf::freeze_mainloop;
2889		3901
2890	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;
2891		3908
2892	cf::sync_job {	3909	cf::sync_job {
		3910	cf::write_runtime_sync; # external watchdog should not bark
		3911
2893	# use a peculiar iteration method to avoid tripping on perl	3912	# use a peculiar iteration method to avoid tripping on perl
2894	# refcount bugs in for. also avoids problems with players	3913	# refcount bugs in for. also avoids problems with players
2895	# and maps saved/destroyed asynchronously.	3914	# and maps saved/destroyed asynchronously.
2896	warn "begin emergency player save\n";	3915	info "emergency_perl_save: begin player save\n";
2897	for my $login (keys %cf::PLAYER) {	3916	for my $login (keys %cf::PLAYER) {
2898	my $pl = $cf::PLAYER{$login} or next;	3917	my $pl = $cf::PLAYER{$login} or next;
2899	$pl->valid or next;	3918	$pl->valid or next;
		3919	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2900	$pl->save;	3920	$pl->save;
2901	}	3921	}
2902	warn "end emergency player save\n";	3922	info "emergency_perl_save: end player save\n";
2903		3923
2904	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";
2905	for my $path (keys %cf::MAP) {	3927	for my $path (keys %cf::MAP) {
2906	my $map = $cf::MAP{$path} or next;	3928	my $map = $cf::MAP{$path} or next;
2907	$map->valid or next;	3929	$map->valid or next;
2908	$map->save;	3930	$map->save;
2909	}	3931	}
2910	warn "end emergency map save\n";	3932	info "emergency_perl_save: end map save\n";
2911		3933
2912	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";
2913	BDB::db_env_txn_checkpoint $DB_ENV;	3937	BDB::db_env_txn_checkpoint $DB_ENV;
2914	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
2915	};	3962	};
2916		3963
2917	warn "leave emergency perl save\n";	3964	info "emergency_perl_save: leave\n";
2918	}	3965	}
2919		3966
2920	sub post_cleanup {	3967	sub post_cleanup {
2921	my ($make_core) = @_;	3968	my ($make_core) = @_;
2922		3969
		3970	IO::AIO::flush;
		3971
2923	warn Carp::longmess "post_cleanup backtrace"	3972	error Carp::longmess "post_cleanup backtrace"
2924	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	}
2925	}	4002	}
2926		4003
2927	sub do_reload_perl() {	4004	sub do_reload_perl() {
2928	# can/must only be called in main	4005	# can/must only be called in main
2929	if ($Coro::current != $Coro::main) {	4006	unless (in_main) {
2930	warn "can only reload from main coroutine";	4007	error "can only reload from main coroutine";
2931	return;	4008	return;
2932	}	4009	}
2933		4010
2934	warn "reloading...";	4011	return if $RELOAD++;
2935		4012
2936	warn "entering sync_job";	4013	my $t1 = AE::time;
2937		4014
		4015	while ($RELOAD) {
		4016	cf::get_slot 0.1, -1, "reload_perl";
		4017	info "perl_reload: reloading...";
		4018
		4019	trace "perl_reload: entering sync_job";
		4020
2938	cf::sync_job {	4021	cf::sync_job {
2939	cf::write_runtime; # external watchdog should not bark
2940	cf::emergency_save;	4022	#cf::emergency_save;
2941	cf::write_runtime; # external watchdog should not bark
2942		4023
2943	warn "syncing database to disk";
2944	BDB::db_env_txn_checkpoint $DB_ENV;
2945
2946	# if anything goes wrong in here, we should simply crash as we already saved
2947
2948	warn "cancelling all WF_AUTOCANCEL watchers";
2949	for (Event::all_watchers) {
2950	$_->cancel if $_->data & WF_AUTOCANCEL;
2951	}
2952
2953	warn "flushing outstanding aio requests";
2954	for (;;) {
2955	BDB::flush;
2956	IO::AIO::flush;
2957	Coro::cede;
2958	last unless IO::AIO::nreqs || BDB::nreqs;
2959	warn "iterate...";
2960	}
2961
2962	++$RELOAD;
2963
2964	warn "cancelling all extension coros";	4024	trace "perl_reload: cancelling all extension coros";
2965	$_->cancel for values %EXT_CORO;	4025	$_->cancel for values %EXT_CORO;
2966	%EXT_CORO = ();	4026	%EXT_CORO = ();
2967		4027
2968	warn "removing commands";	4028	trace "perl_reload: removing commands";
2969	%COMMAND = ();	4029	%COMMAND = ();
2970		4030
2971	warn "removing ext/exti commands";	4031	trace "perl_reload: removing ext/exti commands";
2972	%EXTCMD = ();	4032	%EXTCMD = ();
2973	%EXTICMD = ();	4033	%EXTICMD = ();
2974		4034
2975	warn "unloading/nuking all extensions";	4035	trace "perl_reload: unloading/nuking all extensions";
2976	for my $pkg (@EXTS) {	4036	for my $pkg (@EXTS) {
2977	warn "... unloading $pkg";	4037	trace "... unloading $pkg";
2978		4038
2979	if (my $cb = $pkg->can ("unload")) {	4039	if (my $cb = $pkg->can ("unload")) {
2980	eval {	4040	eval {
2981	$cb->($pkg);	4041	$cb->($pkg);
2982	1	4042	1
2983	} 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;
2984	}	4048	}
2985		4049
2986	warn "... nuking $pkg";
2987	Symbol::delete_package $pkg;
2988	}
2989
2990	warn "unloading all perl modules loaded from $LIBDIR";	4050	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2991	while (my ($k, $v) = each %INC) {	4051	while (my ($k, $v) = each %INC) {
2992	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4052	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2993		4053
2994	warn "... unloading $k";	4054	trace "... unloading $k";
2995	delete $INC{$k};	4055	delete $INC{$k};
2996		4056
2997	$k =~ s/\.pm$//;	4057	$k =~ s/\.pm$//;
2998	$k =~ s/\//::/g;	4058	$k =~ s/\//::/g;
2999		4059
3000	if (my $cb = $k->can ("unload_module")) {	4060	if (my $cb = $k->can ("unload_module")) {
3001	$cb->();	4061	$cb->();
		4062	}
		4063
		4064	clear_package $k;
3002	}	4065	}
3003		4066
3004	Symbol::delete_package $k;
3005	}
3006
3007	warn "getting rid of safe::, as good as possible";	4067	trace "perl_reload: getting rid of safe::, as good as possible";
3008	Symbol::delete_package "safe::$_"	4068	clear_package "safe::$_"
3009	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);
3010		4070
3011	warn "unloading cf.pm \"a bit\"";	4071	trace "perl_reload: unloading cf.pm \"a bit\"";
3012	delete $INC{"cf.pm"};	4072	delete $INC{"cf.pm"};
3013	delete $INC{"cf/pod.pm"};	4073	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3014		4074
3015	# don't, removes xs symbols, too,	4075	# don't, removes xs symbols, too,
3016	# and global variables created in xs	4076	# and global variables created in xs
3017	#Symbol::delete_package __PACKAGE__;	4077	#clear_package __PACKAGE__;
3018		4078
3019	warn "unload completed, starting to reload now";	4079	info "perl_reload: unload completed, starting to reload now";
3020		4080
3021	warn "reloading cf.pm";	4081	trace "perl_reload: reloading cf.pm";
3022	require cf;	4082	require cf;
3023	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4083	cf::_connect_to_perl_1;
3024		4084
3025	warn "loading config and database again";	4085	trace "perl_reload: loading config and database again";
3026	cf::cfg_load;	4086	cf::reload_config;
3027		4087
3028	warn "loading extensions";	4088	trace "perl_reload: loading extensions";
3029	cf::load_extensions;	4089	cf::load_extensions;
3030		4090
		4091	if ($REATTACH_ON_RELOAD) {
3031	warn "reattaching attachments to objects/players";	4092	trace "perl_reload: reattaching attachments to objects/players";
3032	_global_reattach; # objects, sockets	4093	_global_reattach; # objects, sockets
3033	warn "reattaching attachments to maps";	4094	trace "perl_reload: reattaching attachments to maps";
3034	reattach $_ for values %MAP;	4095	reattach $_ for values %MAP;
3035	warn "reattaching attachments to players";	4096	trace "perl_reload: reattaching attachments to players";
3036	reattach $_ for values %PLAYER;	4097	reattach $_ for values %PLAYER;
		4098	}
3037		4099
3038	warn "leaving sync_job";	4100	cf::_post_init 1;
3039		4101
		4102	trace "perl_reload: leaving sync_job";
		4103
3040	1	4104	1
3041	} or do {	4105	} or do {
3042	warn $@;	4106	error $@;
3043	warn "error while reloading, exiting.";	4107	cf::cleanup "perl_reload: error, exiting.";
3044	exit 1;	4108	};
		4109
		4110	--$RELOAD;
3045	};	4111	}
3046		4112
3047	warn "reloaded";	4113	$t1 = AE::time - $t1;
		4114	info "perl_reload: completed in ${t1}s\n";
3048	};	4115	};
3049		4116
3050	our $RELOAD_WATCHER; # used only during reload	4117	our $RELOAD_WATCHER; # used only during reload
3051		4118
3052	sub reload_perl() {	4119	sub reload_perl() {
3053	# doing reload synchronously and two reloads happen back-to-back,	4120	# doing reload synchronously and two reloads happen back-to-back,
3054	# coro crashes during coro_state_free->destroy here.	4121	# coro crashes during coro_state_free->destroy here.
3055		4122
3056	$RELOAD_WATCHER ||= Event->timer (	4123	$RELOAD_WATCHER ||= cf::async {
3057	reentrant => 0,	4124	Coro::AIO::aio_wait cache_extensions;
3058	after => 0,	4125
3059	data => WF_AUTOCANCEL,	4126	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3060	cb => sub {
3061	do_reload_perl;	4127	do_reload_perl;
3062	undef $RELOAD_WATCHER;	4128	undef $RELOAD_WATCHER;
3063	},	4129	};
3064	);	4130	};
3065	}	4131	}
3066		4132
3067	register_command "reload" => sub {	4133	register_command "reload" => sub {
3068	my ($who, $arg) = @_;	4134	my ($who, $arg) = @_;
3069		4135
3070	if ($who->flag (FLAG_WIZ)) {	4136	if ($who->flag (FLAG_WIZ)) {
3071	$who->message ("reloading server.");	4137	$who->message ("reloading server.");
		4138	async {
		4139	$Coro::current->{desc} = "perl_reload";
3072	async { reload_perl };	4140	reload_perl;
		4141	};
3073	}	4142	}
3074	};	4143	};
3075		4144
3076	unshift @INC, $LIBDIR;	4145	#############################################################################
3077		4146
3078	my $bug_warning = 0;	4147	my $bug_warning = 0;
3079		4148
3080	our @WAIT_FOR_TICK;
3081	our @WAIT_FOR_TICK_BEGIN;
3082
3083	sub wait_for_tick {	4149	sub wait_for_tick() {
3084	return unless $TICK_WATCHER->is_active;	4150	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3085	return if $Coro::current == $Coro::main;
3086		4151
3087	my $signal = new Coro::Signal;	4152	$WAIT_FOR_TICK->wait;
3088	push @WAIT_FOR_TICK, $signal;
3089	$signal->wait;
3090	}	4153	}
3091		4154
3092	sub wait_for_tick_begin {	4155	sub wait_for_tick_begin() {
3093	return unless $TICK_WATCHER->is_active;	4156	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3094	return if $Coro::current == $Coro::main;
3095		4157
3096	my $signal = new Coro::Signal;	4158	my $signal = new Coro::Signal;
3097	push @WAIT_FOR_TICK_BEGIN, $signal;	4159	push @WAIT_FOR_TICK_BEGIN, $signal;
3098	$signal->wait;	4160	$signal->wait;
3099	}	4161	}
3100		4162
3101	my $min = 1e6;#d#	4163	sub tick {
3102	my $avg = 10;
3103	$TICK_WATCHER = Event->timer (
3104	reentrant => 0,
3105	parked => 1,
3106	prio => 0,
3107	at => $NEXT_TICK || $TICK,
3108	data => WF_AUTOCANCEL,
3109	cb => sub {
3110	if ($Coro::current != $Coro::main) {	4164	if ($Coro::current != $Coro::main) {
3111	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4165	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3112	unless ++$bug_warning > 10;	4166	unless ++$bug_warning > 10;
3113	return;	4167	return;
3114	}	4168	}
3115		4169
3116	$NOW = $tick_start = Event::time;	4170	cf::one_tick; # one server iteration
3117		4171
3118	cf::server_tick; # one server iteration	4172	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3119		4173
3120	0 && sync_job {#d#	4174	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3121	for(1..10) {	4175	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3122	my $t = Event::time;	4176	Coro::async_pool {
3123	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4177	$Coro::current->{desc} = "runtime saver";
3124	or die;	4178	write_runtime_sync
3125		4179	or error "ERROR: unable to write runtime file: $!";
3126	$map->width (50);
3127	$map->height (50);
3128	$map->alloc;
3129	$map->_load_objects ("/tmp/x.map", 1);
3130	my $t = Event::time - $t;
3131
3132	#next unless $t < 0.0013;#d#
3133	if ($t < $min) {
3134	$min = $t;
3135	}
3136	$avg = $avg * 0.99 + $t * 0.01;
3137	}
3138	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3139	exit 0;
3140	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3141	};	4180	};
		4181	}
3142		4182
3143	$RUNTIME += $TICK;
3144	$NEXT_TICK += $TICK;
3145
3146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3147	$NEXT_RUNTIME_WRITE = $NOW + 10;
3148	Coro::async_pool {
3149	write_runtime
3150	or warn "ERROR: unable to write runtime file: $!";
3151	};
3152	}
3153
3154	# my $AFTER = Event::time;
3155	# warn $AFTER - $NOW;#d#
3156
3157	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4183	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3158	$sig->send;	4184	$sig->send;
3159	}	4185	}
3160	while (my $sig = shift @WAIT_FOR_TICK) {	4186	$WAIT_FOR_TICK->broadcast;
3161	$sig->send;
3162	}
3163		4187
3164	$NOW = Event::time;	4188	$LOAD = ($NOW - $TICK_START) / $TICK;
3165
3166	# if we are delayed by four ticks or more, skip them all
3167	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3168
3169	$TICK_WATCHER->at ($NEXT_TICK);
3170	$TICK_WATCHER->start;
3171
3172	$LOAD = ($NOW - $tick_start) / $TICK;
3173	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4189	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3174		4190
3175	_post_tick;	4191	if (0) {
3176		4192	if ($NEXT_TICK) {
3177		4193	my $jitter = $TICK_START - $NEXT_TICK;
		4194	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4195	debug "jitter $JITTER\n";#d#
		4196	}
3178	},	4197	}
3179	);	4198	}
3180		4199
3181	{	4200	{
3182	BDB::max_poll_time $TICK * 0.1;	4201	# configure BDB
3183	$BDB_POLL_WATCHER = Event->io (	4202
3184	reentrant => 0,
3185	fd => BDB::poll_fileno,
3186	poll => 'r',
3187	prio => 0,
3188	data => WF_AUTOCANCEL,
3189	cb => \&BDB::poll_cb,
3190	);
3191	BDB::min_parallel 8;	4203	BDB::min_parallel 16;
3192		4204	BDB::max_poll_reqs $TICK * 0.1;
3193	BDB::set_sync_prepare {	4205	#$AnyEvent::BDB::WATCHER->priority (1);
3194	my $status;
3195	my $current = $Coro::current;
3196	(
3197	sub {
3198	$status = $!;
3199	$current->ready; undef $current;
3200	},
3201	sub {
3202	Coro::schedule while defined $current;
3203	$! = $status;
3204	},
3205	)
3206	};
3207		4206
3208	unless ($DB_ENV) {	4207	unless ($DB_ENV) {
3209	$DB_ENV = BDB::db_env_create;	4208	$DB_ENV = BDB::db_env_create;
		4209	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		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;
		4212	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4213	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3210		4214
3211	cf::sync_job {	4215	cf::sync_job {
3212	eval {	4216	eval {
3213	BDB::db_env_open	4217	BDB::db_env_open
3214	$DB_ENV,	4218	$DB_ENV,
…		…
3216	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4220	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3217	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4221	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3218	0666;	4222	0666;
3219		4223
3220	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4224	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3221
3222	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3223	$DB_ENV->set_lk_detect;
3224	};	4225	};
3225		4226
3226	cf::cleanup "db_env_open(db): $@" if $@;	4227	cf::cleanup "db_env_open(db): $@" if $@;
3227	};	4228	};
3228	}	4229	}
		4230
		4231	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4232	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4233	};
		4234	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4235	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4236	};
		4237	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4238	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4239	};
3229	}	4240	}
3230		4241
3231	{	4242	{
		4243	# configure IO::AIO
		4244
3232	IO::AIO::min_parallel 8;	4245	IO::AIO::min_parallel 8;
3233
3234	undef $Coro::AIO::WATCHER;
3235	IO::AIO::max_poll_time $TICK * 0.1;	4246	IO::AIO::max_poll_time $TICK * 0.1;
3236	$AIO_POLL_WATCHER = Event->io (	4247	undef $AnyEvent::AIO::WATCHER;
3237	reentrant => 0,
3238	data => WF_AUTOCANCEL,
3239	fd => IO::AIO::poll_fileno,
3240	poll => 'r',
3241	prio => 6,
3242	cb => \&IO::AIO::poll_cb,
3243	);
3244	}	4248	}
3245		4249
3246	my $_log_backtrace;	4250	our $_log_backtrace;
		4251	our $_log_backtrace_last;
3247		4252
3248	sub _log_backtrace {	4253	sub _log_backtrace {
3249	my ($msg, @addr) = @_;	4254	my ($msg, @addr) = @_;
3250		4255
3251	$msg =~ s/\n//;	4256	$msg =~ s/\n$//;
3252		4257
		4258	if ($_log_backtrace_last eq $msg) {
		4259	LOG llevInfo, "[ABT] $msg\n";
		4260	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3253	# limit the # of concurrent backtraces	4261	# limit the # of concurrent backtraces
3254	if ($_log_backtrace < 2) {	4262	} elsif ($_log_backtrace < 2) {
		4263	$_log_backtrace_last = $msg;
3255	++$_log_backtrace;	4264	++$_log_backtrace;
		4265	my $perl_bt = Carp::longmess $msg;
3256	async {	4266	async {
		4267	$Coro::current->{desc} = "abt $msg";
		4268
3257	my @bt = fork_call {	4269	my @bt = fork_call {
3258	@addr = map { sprintf "%x", $_ } @addr;	4270	@addr = map { sprintf "%x", $_ } @addr;
3259	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4271	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3260	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 |"
3261	or die "addr2line: $!";	4273	or die "addr2line: $!";
…		…
3269	}	4281	}
3270		4282
3271	@funcs	4283	@funcs
3272	};	4284	};
3273		4285
3274	LOG llevInfo, "[ABT] $msg\n";	4286	LOG llevInfo, "[ABT] $perl_bt\n";
		4287	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3275	LOG llevInfo, "[ABT] $_\n" for @bt;	4288	LOG llevInfo, "[ABT] $_\n" for @bt;
3276	--$_log_backtrace;	4289	--$_log_backtrace;
3277	};	4290	};
3278	} else {	4291	} else {
3279	LOG llevInfo, "[ABT] $msg\n";	4292	LOG llevInfo, "[ABT] $msg\n";
3280	LOG llevInfo, "[ABT] [suppressed]\n";	4293	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3281	}	4294	}
3282	}	4295	}
3283		4296
3284	# load additional modules	4297	# load additional modules
3285	use cf::pod;	4298	require "cf/$_.pm" for @EXTRA_MODULES;
		4299	cf::_connect_to_perl_2;
3286		4300
3287	END { cf::emergency_save }	4301	END { cf::emergency_save }
3288		4302
3289	1	4303	1
3290		4304

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