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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.291 by root, Tue Jul 3 00:54:44 2007 UTC vs.
Revision 1.583 by root, Mon Oct 29 23:12:37 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	$EV::DIED = sub {
211	warn "error in event callback: @_";	341	Carp::cluck "error in event callback: @_";
212	};	342	};
		343
		344	#############################################################################
		345
		346	sub fork_call(&@);
		347	sub get_slot($;$$);
213		348
214	#############################################################################	349	#############################################################################
215		350
216	=head2 UTILITY FUNCTIONS	351	=head2 UTILITY FUNCTIONS
217		352
…		…
238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	373	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239	$d	374	$d
240	} || "[unable to dump $_[0]: '$@']";	375	} || "[unable to dump $_[0]: '$@']";
241	}	376	}
242		377
		378	=item $scalar = cf::load_file $path
		379
		380	Loads the given file from path and returns its contents. Croaks on error
		381	and can block.
		382
		383	=cut
		384
		385	sub load_file($) {
		386	0 <= aio_load $_[0], my $data
		387	or Carp::croak "$_[0]: $!";
		388
		389	$data
		390	}
		391
		392	=item $success = cf::replace_file $path, $data, $sync
		393
		394	Atomically replaces the file at the given $path with new $data, and
		395	optionally $sync the data to disk before replacing the file.
		396
		397	=cut
		398
		399	sub replace_file($$;$) {
		400	my ($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	$res = Coro::Storable::thaw $res;	748	}
427		749
428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	750	sub objinfo {
429
430	die $$res unless "ARRAY" eq ref $res;
431
432	return wantarray ? @$res : $res->[-1];
433	} else {
434	reset_signals;
435	local $SIG{__WARN__};
436	local $SIG{__DIE__};
437	eval {
438	close $fh1;
439
440	my @res = eval { $cb->(@args) };
441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
442	};
443
444	warn $@ if $@;
445	_exit 0;
446	}	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
447	}	786	}
448		787
449	=item $value = cf::db_get $family => $key	788	=item $value = cf::db_get $family => $key
450		789
451	Returns a single value from the environment database.	790	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	792	=item cf::db_put $family => $key => $value
454		793
455	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
456	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).
457		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
458	=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	}
459		823
460	our $DB;	824	our $DB;
461		825
462	sub db_init {	826	sub db_init {
463	unless ($DB) {	827	$DB ||= db_table "db";
464	$DB = BDB::db_create $DB_ENV;
465
466	cf::sync_job {
467	eval {
468	$DB->set_flags (BDB::CHKSUM);
469
470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472	cf::cleanup "db_open(db): $!" if $!;
473	};
474	cf::cleanup "db_open(db): $@" if $@;
475	};
476	}
477	}	828	}
478		829
479	sub db_get($$) {	830	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	831	my $key = "$_[0]/$_[1]";
481		832
482	cf::sync_job {	833	cf::error "db_get called from main context"
		834	if $Coro::current == $Coro::main;
		835
483	BDB::db_get $DB, undef, $key, my $data;	836	BDB::db_get $DB, undef, $key, my $data;
484		837
485	$! ? ()	838	$! ? ()
486	: $data	839	: $data
487	}
488	}	840	}
489		841
490	sub db_put($$$) {	842	sub db_put($$$) {
491	BDB::dbreq_pri 4;	843	BDB::dbreq_pri 4;
492	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	844	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
520		872
521	my @data;	873	my @data;
522	my $md5;	874	my $md5;
523		875
524	for (0 .. $#$src) {	876	for (0 .. $#$src) {
525	0 <= aio_load $src->[$_], $data[$_]	877	$data[$_] = load_file $src->[$_];
526	or Carp::croak "$src->[$_]: $!";
527	}	878	}
528		879
529	# if processing is expensive, check	880	# if processing is expensive, check
530	# checksum first	881	# checksum first
531	if (1) {	882	if (1) {
532	$md5 =	883	$md5 =
533	join "\x00",	884	join "\x00",
534	$processversion,	885	$processversion,
535	map {	886	map {
536	Coro::cede;	887	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	888	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	889	} 0.. $#$src;
539		890
540		891
541	my $dbmd5 = db_get cache => "$id/md5";	892	my $dbmd5 = db_get cache => "$id/md5";
…		…
548		899
549	my $t1 = Time::HiRes::time;	900	my $t1 = Time::HiRes::time;
550	my $data = $process->(\@data);	901	my $data = $process->(\@data);
551	my $t2 = Time::HiRes::time;	902	my $t2 = Time::HiRes::time;
552		903
553	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	904	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
554		905
555	db_put cache => "$id/data", $data;	906	db_put cache => "$id/data", $data;
556	db_put cache => "$id/md5" , $md5;	907	db_put cache => "$id/md5" , $md5;
557	db_put cache => "$id/meta", $meta;	908	db_put cache => "$id/meta", $meta;
558		909
…		…
568		919
569	=cut	920	=cut
570		921
571	sub datalog($@) {	922	sub datalog($@) {
572	my ($type, %kv) = @_;	923	my ($type, %kv) = @_;
573	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	924	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
574	}	925	}
575		926
576	=back	927	=back
577		928
578	=cut	929	=cut
579		930
580	#############################################################################	931	#############################################################################
581		932
582	=head2 ATTACHABLE OBJECTS	933	=head2 ATTACHABLE OBJECTS
583		934
584	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
585	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")
586	to it. All such attachable objects support the following methods.	937	to it. All such attachable objects support the following methods.
587		938
588	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>
589	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
590	Crossfire TRT).	941	Deliantra).
591		942
592	=over 4	943	=over 4
593		944
594	=item $attachable->attach ($attachment, key => $value...)	945	=item $attachable->attach ($attachment, key => $value...)
595		946
…		…
639	=item cf::CLASS::attachment $name, ...	990	=item cf::CLASS::attachment $name, ...
640		991
641	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
642	given CLASS can refer to this attachment.	993	given CLASS can refer to this attachment.
643		994
644	Some classes such as crossfire maps and objects can specify attachments	995	Some classes such as deliantra maps and objects can specify attachments
645	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.
646		997
647	These calls expect any number of the following handler/hook descriptions:	998	These calls expect any number of the following handler/hook descriptions:
648		999
649	=over 4	1000	=over 4
…		…
773		1124
774	} elsif (exists $cb_id{$type}) {	1125	} elsif (exists $cb_id{$type}) {
775	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1126	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
776		1127
777	} elsif (ref $type) {	1128	} elsif (ref $type) {
778	warn "attaching objects not supported, ignoring.\n";	1129	error "attaching objects not supported, ignoring.\n";
779		1130
780	} else {	1131	} else {
781	shift @arg;	1132	shift @arg;
782	warn "attach argument '$type' not supported, ignoring.\n";	1133	error "attach argument '$type' not supported, ignoring.\n";
783	}	1134	}
784	}	1135	}
785	}	1136	}
786		1137
787	sub _object_attach {	1138	sub _object_attach {
…		…
797	_attach $registry, $klass, @attach;	1148	_attach $registry, $klass, @attach;
798	}	1149	}
799		1150
800	$obj->{$name} = \%arg;	1151	$obj->{$name} = \%arg;
801	} else {	1152	} else {
802	warn "object uses attachment '$name' which is not available, postponing.\n";	1153	info "object uses attachment '$name' which is not available, postponing.\n";
803	}	1154	}
804		1155
805	$obj->{_attachment}{$name} = undef;	1156	$obj->{_attachment}{$name} = undef;
806	}	1157	}
807		1158
…		…
847	";	1198	";
848	die if $@;	1199	die if $@;
849	}	1200	}
850		1201
851	our $override;	1202	our $override;
852	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?
853		1204
854	sub override {	1205	sub override {
855	$override = 1;	1206	$override = 1;
856	@invoke_results = ();	1207	@INVOKE_RESULTS = (@_);
857	}	1208	}
858		1209
859	sub do_invoke {	1210	sub do_invoke {
860	my $event = shift;	1211	my $event = shift;
861	my $callbacks = shift;	1212	my $callbacks = shift;
862		1213
863	@invoke_results = ();	1214	@INVOKE_RESULTS = ();
864		1215
865	local $override;	1216	local $override;
866		1217
867	for (@$callbacks) {	1218	for (@$callbacks) {
868	eval { &{$_->[1]} };	1219	eval { &{$_->[1]} };
869		1220
870	if ($@) {	1221	if ($@) {
871	warn "$@";
872	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1222	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
873	override;	1223	override;
874	}	1224	}
875		1225
876	return 1 if $override;	1226	return 1 if $override;
877	}	1227	}
878		1228
879	0	1229	0
880	}	1230	}
881		1231
882	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1232	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883		1233
884	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885		1235
886	Generate an object-specific event with the given arguments.	1236	Generate an object-specific event with the given arguments.
887		1237
888	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
889	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
890	results (if you must, access C<@cf::invoke_results> directly).	1240	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		1241
892	=back	1242	=back
893		1243
894	=cut	1244	=cut
895		1245
896	#############################################################################	1246	#############################################################################
897	# 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	}
898		1290
899	sub reattach {	1291	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1292	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1293	my ($obj) = @_;
902		1294
		1295	# no longer needed after getting rid of delete_package?
903	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
904		1297
905	my $registry = $obj->registry;	1298	my $registry = $obj->registry;
906		1299
907	@$registry = ();	1300	@$registry = ();
908		1301
…		…
913	for (@$attach) {	1306	for (@$attach) {
914	my ($klass, @attach) = @$_;	1307	my ($klass, @attach) = @$_;
915	_attach $registry, $klass, @attach;	1308	_attach $registry, $klass, @attach;
916	}	1309	}
917	} else {	1310	} else {
918	warn "object uses attachment '$name' that is not available, postponing.\n";	1311	info "object uses attachment '$name' that is not available, postponing.\n";
919	}	1312	}
920	}	1313	}
921	}	1314	}
922		1315
923	cf::attachable->attach (	1316	cf::attachable->attach (
924	prio => -1000000,	1317	prio => -1000000,
925	on_instantiate => sub {	1318	on_instantiate => sub {
926	my ($obj, $data) = @_;	1319	my ($obj, $data) = @_;
927		1320
928	$data = from_json $data;	1321	$data = decode_json $data;
929		1322
930	for (@$data) {	1323	for (@$data) {
931	my ($name, $args) = @$_;	1324	my ($name, $args) = @$_;
932		1325
933	$obj->attach ($name, %{$args || {} });	1326	$obj->attach ($name, %{$args || {} });
…		…
949	sub object_freezer_save {	1342	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1343	my ($filename, $rdata, $objs) = @_;
951		1344
952	sync_job {	1345	sync_job {
953	if (length $$rdata) {	1346	if (length $$rdata) {
		1347	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1348	trace sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1349	$decname, length $$rdata, scalar @$objs
		1350	if $VERBOSE_IO;
956		1351
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1352	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1353	aio_chmod $fh, SAVE_MODE;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1354	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	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	}
961	close $fh;	1359	aio_close $fh;
962		1360
963	if (@$objs) {	1361	if (@$objs) {
964	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) {
965	chmod SAVE_MODE, $fh;	1363	aio_chmod $fh, SAVE_MODE;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1364	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1365	aio_write $fh, 0, (length $data), $data, 0;
968	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	}
969	close $fh;	1370	aio_close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1371	aio_rename "$filename.pst~", "$filename.pst";
971	}	1372	}
972	} else {	1373	} else {
973	aio_unlink "$filename.pst";	1374	aio_unlink "$filename.pst";
974	}	1375	}
975		1376
976	aio_rename "$filename~", $filename;	1377	aio_rename "$filename~", $filename;
		1378
		1379	$filename =~ s%/[^/]+$%%;
		1380	aio_pathsync $filename if $cf::USE_FSYNC;
977	} else {	1381	} else {
978	warn "FATAL: $filename~: $!\n";	1382	error "unable to save objects: $filename~: $!\n";
979	}	1383	}
980	} else {	1384	} else {
981	aio_unlink $filename;	1385	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1386	aio_unlink "$filename.pst";
983	}	1387	}
984	}	1388	};
985	}	1389	}
986		1390
987	sub object_freezer_as_string {	1391	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1392	my ($rdata, $objs) = @_;
989		1393
…		…
1001	or return;	1405	or return;
1002		1406
1003	unless (aio_stat "$filename.pst") {	1407	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1408	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1409	or return;
		1410
1006	$av = eval { (Storable::thaw $av)->{objs} };	1411	my $st = eval { Coro::Storable::thaw $av };
		1412	$av = $st->{objs};
1007	}	1413	}
1008		1414
		1415	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1416	trace sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1417	$decname, length $data, scalar @{$av || []}
		1418	if $VERBOSE_IO;
		1419
1011	return ($data, $av);	1420	($data, $av)
1012	}	1421	}
1013		1422
1014	=head2 COMMAND CALLBACKS	1423	=head2 COMMAND CALLBACKS
1015		1424
1016	=over 4	1425	=over 4
…		…
1070	my ($name, $cb) = @_;	1479	my ($name, $cb) = @_;
1071		1480
1072	$EXTICMD{$name} = $cb;	1481	$EXTICMD{$name} = $cb;
1073	}	1482	}
1074		1483
		1484	use File::Glob ();
		1485
1075	cf::player->attach (	1486	cf::player->attach (
1076	on_command => sub {	1487	on_unknown_command => sub {
1077	my ($pl, $name, $params) = @_;	1488	my ($pl, $name, $params) = @_;
1078		1489
1079	my $cb = $COMMAND{$name}	1490	my $cb = $COMMAND{$name}
1080	or return;	1491	or return;
1081		1492
…		…
1089	my ($pl, $buf) = @_;	1500	my ($pl, $buf) = @_;
1090		1501
1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1502	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1503
1093	if (ref $msg) {	1504	if (ref $msg) {
		1505	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1506
		1507	my @reply;
		1508
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1509	if (my $cb = $EXTCMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1510	@reply = $cb->($pl, @payload);
1096	$pl->ext_reply ($msg->{msgid}, %reply);
1097	}
1098	}	1511	}
		1512
		1513	$pl->ext_reply ($reply, @reply)
		1514	if $reply;
		1515
1099	} else {	1516	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1517	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1518	}
1102		1519
1103	cf::override;	1520	cf::override;
1104	},	1521	},
1105	);	1522	);
1106		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
1107	sub load_extensions {	1548	sub load_extensions {
		1549	info "loading extensions...";
		1550
		1551	%EXT_CFG = ();
		1552
1108	cf::sync_job {	1553	cf::sync_job {
1109	my %todo;	1554	my %todo;
1110		1555
1111	for my $path (<$LIBDIR/*.ext>) {	1556	for my $path (<$LIBDIR/*.ext>) {
1112	next unless -r $path;	1557	next unless -r $path;
…		…
1130		1575
1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1576	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1577	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133		1578
1134	$ext{source} =	1579	$ext{source} =
1135	"package $pkg; use strict; use utf8;\n"	1580	"package $pkg; use common::sense;\n"
1136	. "#line 1 \"$path\"\n{\n"	1581	. "#line 1 \"$path\"\n{\n"
1137	. $source	1582	. $source
1138	. "\n};\n1";	1583	. "\n};\n1";
1139		1584
1140	$todo{$base} = \%ext;	1585	$todo{$base} = \%ext;
1141	}	1586	}
1142		1587
		1588	my $pass = 0;
1143	my %done;	1589	my %done;
1144	while (%todo) {	1590	while (%todo) {
1145	my $progress;	1591	my $progress;
1146		1592
		1593	++$pass;
		1594
		1595	ext:
1147	while (my ($k, $v) = each %todo) {	1596	while (my ($k, $v) = each %todo) {
1148	for (split /,\s*/, $v->{meta}{depends}) {	1597	for (split /,\s*/, $v->{meta}{depends}) {
1149	goto skip	1598	next ext
1150	unless exists $done{$_};	1599	unless exists $done{$_};
1151	}	1600	}
1152		1601
1153	warn "... loading '$k' into '$v->{pkg}'\n";	1602	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1154		1603
1155	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 $@) {
1156	my $msg = $@ ? "$v->{path}: $@\n"	1616	error "$v->{path}: $@\n";
1157	: "$v->{base}: extension inactive.\n";
1158		1617
		1618	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1159	if (exists $v->{meta}{mandatory}) {	1619	if exists $v->{meta}{mandatory};
1160	warn $msg;	1620
1161	warn "mandatory extension failed to load, exiting.\n";	1621	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1162	exit 1;	1622	delete $todo{$k};
1163	}	1623	} else {
1164		1624	$done{$k} = delete $todo{$k};
1165	warn $msg;	1625	push @EXTS, $v->{pkg};
		1626	$progress = 1;
		1627
		1628	info "$v->{base}: extension inactive.\n"
		1629	unless $active;
1166	}	1630	}
1167
1168	$done{$k} = delete $todo{$k};
1169	push @EXTS, $v->{pkg};
1170	$progress = 1;
1171	}	1631	}
1172		1632
1173	skip:	1633	unless ($progress) {
1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1634	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1175	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	}
1176	}	1643	}
1177	};	1644	};
1178	}	1645	}
1179		1646
1180	#############################################################################	1647	#############################################################################
1181		1648
1182	=back	1649	=back
1183		1650
1184	=head2 CORE EXTENSIONS	1651	=head2 CORE EXTENSIONS
1185		1652
1186	Functions and methods that extend core crossfire objects.	1653	Functions and methods that extend core deliantra objects.
1187		1654
1188	=cut	1655	=cut
1189		1656
1190	package cf::player;	1657	package cf::player;
1191		1658
1192	use Coro::AIO;	1659	use Coro::AIO;
1193		1660
1194	=head3 cf::player	1661	=head3 cf::player
1195		1662
1196	=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	}
1197		1678
1198	=item cf::player::find $login	1679	=item cf::player::find $login
1199		1680
1200	Returns the given player object, loading it if necessary (might block).	1681	Returns the given player object, loading it if necessary (might block).
1201		1682
…		…
1220		1701
1221	sub exists($) {	1702	sub exists($) {
1222	my ($login) = @_;	1703	my ($login) = @_;
1223		1704
1224	$cf::PLAYER{$login}	1705	$cf::PLAYER{$login}
1225	or cf::sync_job { !aio_stat path $login }	1706	or !aio_stat path $login
1226	}	1707	}
1227		1708
1228	sub find($) {	1709	sub find($) {
1229	return $cf::PLAYER{$_[0]} || do {	1710	return $cf::PLAYER{$_[0]} || do {
1230	my $login = $_[0];	1711	my $login = $_[0];
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1718	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1719	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1720	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1721	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1722
1242	my $pl = load_pl path $login	1723	my $f = new_from_file cf::object::thawer path $login
1243	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;
1244	$cf::PLAYER{$login} = $pl	1731	$cf::PLAYER{$login} = $pl
1245	}	1732	}
1246	}	1733	}
1247	}	1734	}
		1735
		1736	cf::player->attach (
		1737	on_load => sub {
		1738	my ($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	);
1248		1748
1249	sub save($) {	1749	sub save($) {
1250	my ($pl) = @_;	1750	my ($pl) = @_;
1251		1751
1252	return if $pl->{deny_save};	1752	return if $pl->{deny_save};
…		…
1257	return if $pl->{deny_save};	1757	return if $pl->{deny_save};
1258		1758
1259	aio_mkdir playerdir $pl, 0770;	1759	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1760	$pl->{last_save} = $cf::RUNTIME;
1261		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
1262	$pl->save_pl ($path);	1767	$pl->save_pl ($path);
1263	Coro::cede;	1768	cf::cede_to_tick;
1264	}	1769	}
1265		1770
1266	sub new($) {	1771	sub new($) {
1267	my ($login) = @_;	1772	my ($login) = @_;
1268		1773
…		…
1274	$cf::PLAYER{$login} = $self;	1779	$cf::PLAYER{$login} = $self;
1275		1780
1276	$self	1781	$self
1277	}	1782	}
1278		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
1279	=item $pl->quit_character	1794	=item $pl->quit_character
1280		1795
1281	Nukes the player without looking back. If logged in, the connection will	1796	Nukes the player without looking back. If logged in, the connection will
1282	be destroyed. May block for a long time.	1797	be destroyed. May block for a long time.
1283		1798
…		…
1287	my ($pl) = @_;	1802	my ($pl) = @_;
1288		1803
1289	my $name = $pl->ob->name;	1804	my $name = $pl->ob->name;
1290		1805
1291	$pl->{deny_save} = 1;	1806	$pl->{deny_save} = 1;
1292	$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
1293		1808
1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1809	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1295	$pl->deactivate;	1810	$pl->deactivate;
		1811
		1812	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1813	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1814	ext::highscore::check ($pl->ob);
		1815
1297	$pl->ns->destroy if $pl->ns;	1816	$pl->ns->destroy if $pl->ns;
1298		1817
1299	my $path = playerdir $pl;	1818	my $path = playerdir $pl;
1300	my $temp = "$path~$cf::RUNTIME~deleting~";	1819	my $temp = "$path~$cf::RUNTIME~deleting~";
1301	aio_rename $path, $temp;	1820	aio_rename $path, $temp;
…		…
1336	or return [];	1855	or return [];
1337		1856
1338	my @logins;	1857	my @logins;
1339		1858
1340	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") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1865	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1866	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1867	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1868	}
1344		1869
1345	utf8::decode $login;	1870	utf8::decode $login;
1346	push @logins, $login;	1871	push @logins, $login;
1347	}	1872	}
1348		1873
1349	\@logins	1874	\@logins
1350	}	1875	}
1351		1876
1352	=item $player->maps	1877	=item $player->maps
		1878
		1879	=item cf::player::maps $login
1353		1880
1354	Returns an arrayref of map paths that are private for this	1881	Returns an arrayref of map paths that are private for this
1355	player. May block.	1882	player. May block.
1356		1883
1357	=cut	1884	=cut
…		…
1375	}	1902	}
1376		1903
1377	\@paths	1904	\@paths
1378	}	1905	}
1379		1906
1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1907	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381		1908
1382	Expand crossfire pod fragments into protocol xml.	1909	Expand deliantra pod fragments into protocol xml.
1383		1910
1384	=cut
1385
1386	sub expand_cfpod {
1387	((my $self), (local $_)) = @_;
1388
1389	# escape & and <
1390	s/&/&amp;/g;
1391	s/(?<![BIUGH])</&lt;/g;
1392
1393	# this is buggy, it needs to properly take care of nested <'s
1394
1395	1 while
1396	# replace B<>, I<>, U<> etc.
1397	s/B<([^\>]*)>/<b>$1<\/b>/
1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
1400	# replace G<male|female> tags
1401	|| s{G<([^>|]*)\|([^>]*)>}{
1402	$self->gender ? $2 : $1
1403	}ge
1404	# replace H<hint text>
1405	|| s{H<([^\>]*)>}
1406	{
1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1409	"")
1410	[$self->{hintmode}]
1411	}ge;
1412
1413	# create single paragraphs (very hackish)
1414	s/(?<=\S)\n(?=\w)/ /g;
1415
1416	# compress some whitespace
1417	1 while s/\s*\n\s*\n\s*/\n/;
1418
1419	$_
1420	}
1421
1422	sub hintmode {
1423	warn "hm<$_[0] $_[1]>\n";#d#
1424	$_[0]{hintmode} = $_[1] if @_ > 1;
1425	$_[0]{hintmode}
1426	}
1427
1428	=item $player->ext_reply ($msgid, %msg)	1911	=item $player->ext_reply ($msgid, @msg)
1429		1912
1430	Sends an ext reply to the player.	1913	Sends an ext reply to the player.
1431		1914
1432	=cut	1915	=cut
1433		1916
1434	sub ext_reply($$%) {	1917	sub ext_reply($$@) {
1435	my ($self, $id, %msg) = @_;	1918	my ($self, $id, @msg) = @_;
1436		1919
1437	$msg{msgid} = $id;	1920	$self->ns->ext_reply ($id, @msg)
1438	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1439	}	1921	}
1440		1922
1441	=item $player->ext_event ($type, %msg)	1923	=item $player->ext_msg ($type, @msg)
1442		1924
1443	Sends an ext event to the client.	1925	Sends an ext event to the client.
1444		1926
1445	=cut	1927	=cut
1446		1928
1447	sub ext_event($$%) {	1929	sub ext_msg($$@) {
1448	my ($self, $type, %msg) = @_;	1930	my ($self, $type, @msg) = @_;
1449		1931
1450	$self->ns->ext_event ($type, %msg);	1932	$self->ns->ext_msg ($type, @msg);
1451	}	1933	}
1452		1934
1453	=head3 cf::region	1935	=head3 cf::region
1454		1936
1455	=over 4	1937	=over 4
…		…
1465	=cut	1947	=cut
1466		1948
1467	sub find_by_path($) {	1949	sub find_by_path($) {
1468	my ($path) = @_;	1950	my ($path) = @_;
1469		1951
		1952	$path =~ s/^~[^\/]*//; # skip ~login
		1953
1470	my ($match, $specificity);	1954	my ($match, $specificity);
1471		1955
1472	for my $region (list) {	1956	for my $region (list) {
1473	if ($region->match && $path =~ $region->match) {	1957	if ($region->{match} && $path =~ $region->{match}) {
1474	($match, $specificity) = ($region, $region->specificity)	1958	($match, $specificity) = ($region, $region->specificity)
1475	if $region->specificity > $specificity;	1959	if $region->specificity > $specificity;
1476	}	1960	}
1477	}	1961	}
1478		1962
…		…
1499	our $MAX_RESET = 3600;	1983	our $MAX_RESET = 3600;
1500	our $DEFAULT_RESET = 3000;	1984	our $DEFAULT_RESET = 3000;
1501		1985
1502	sub generate_random_map {	1986	sub generate_random_map {
1503	my ($self, $rmp) = @_;	1987	my ($self, $rmp) = @_;
1504	# mit "rum" bekleckern, nicht	1988
		1989	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1990
1505	$self->_create_random_map (	1991	$self->_create_random_map ($rmp);
1506	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1507	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1508	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1509	$rmp->{exit_on_final_map},
1510	$rmp->{xsize}, $rmp->{ysize},
1511	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1512	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1513	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1514	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1515	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1516	(cf::region::find $rmp->{region}), $rmp->{custom}
1517	)
1518	}	1992	}
1519		1993
1520	=item cf::map->register ($regex, $prio)	1994	=item cf::map->register ($regex, $prio)
1521		1995
1522	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
…		…
1527		2001
1528	sub register {	2002	sub register {
1529	my (undef, $regex, $prio) = @_;	2003	my (undef, $regex, $prio) = @_;
1530	my $pkg = caller;	2004	my $pkg = caller;
1531		2005
1532	no strict;
1533	push @{"$pkg\::ISA"}, __PACKAGE__;	2006	push @{"$pkg\::ISA"}, __PACKAGE__;
1534		2007
1535	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2008	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1536	}	2009	}
1537		2010
1538	# also paths starting with '/'	2011	# also paths starting with '/'
1539	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2012	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1540		2013
1541	sub thawer_merge {	2014	sub thawer_merge {
1542	my ($self, $merge) = @_;	2015	my ($self, $merge) = @_;
1543		2016
1544	# we have to keep some variables in memory intact	2017	# we have to keep some variables in memory intact
…		…
1549	}	2022	}
1550		2023
1551	sub normalise {	2024	sub normalise {
1552	my ($path, $base) = @_;	2025	my ($path, $base) = @_;
1553		2026
1554	$path = "$path"; # make sure its a string	2027	$path = "$path"; # make sure it's a string
1555		2028
1556	$path =~ s/\.map$//;	2029	$path =~ s/\.map$//;
1557		2030
1558	# map plan:	2031	# map plan:
1559	#	2032	#
…		…
1574	$base =~ s{[^/]+/?$}{};	2047	$base =~ s{[^/]+/?$}{};
1575	$path = "$base/$path";	2048	$path = "$base/$path";
1576	}	2049	}
1577		2050
1578	for ($path) {	2051	for ($path) {
1579	redo if s{//}{/};
1580	redo if s{/\.?/}{/};	2052	redo if s{/\.?/}{/};
1581	redo if s{/[^/]+/\.\./}{/};	2053	redo if s{/[^/]+/\.\./}{/};
1582	}	2054	}
1583		2055
1584	$path	2056	$path
…		…
1598	$self->init; # pass $1 etc.	2070	$self->init; # pass $1 etc.
1599	return $self;	2071	return $self;
1600	}	2072	}
1601	}	2073	}
1602		2074
1603	Carp::carp "unable to resolve path '$path' (base '$base').";	2075	Carp::cluck "unable to resolve path '$path' (base '$base')";
1604	()	2076	()
1605	}	2077	}
1606		2078
		2079	# may re-bless or do other evil things
1607	sub init {	2080	sub init {
1608	my ($self) = @_;	2081	my ($self) = @_;
1609		2082
1610	$self	2083	$self
1611	}	2084	}
…		…
1630		2103
1631	# the temporary/swap location	2104	# the temporary/swap location
1632	sub save_path {	2105	sub save_path {
1633	my ($self) = @_;	2106	my ($self) = @_;
1634		2107
1635	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1636	"$TMPDIR/$path.map"	2109	"$TMPDIR/$path.map"
1637	}	2110	}
1638		2111
1639	# the unique path, undef == no special unique path	2112	# the unique path, undef == no special unique path
1640	sub uniq_path {	2113	sub uniq_path {
1641	my ($self) = @_;	2114	my ($self) = @_;
1642		2115
1643	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2116	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1644	"$UNIQUEDIR/$path"	2117	"$UNIQUEDIR/$path"
1645	}
1646
1647	# and all this just because we cannot iterate over
1648	# all maps in C++...
1649	sub change_all_map_light {
1650	my ($change) = @_;
1651
1652	$_->change_map_light ($change)
1653	for grep $_->outdoor, values %cf::MAP;
1654	}	2118	}
1655		2119
1656	sub decay_objects {	2120	sub decay_objects {
1657	my ($self) = @_;	2121	my ($self) = @_;
1658		2122
…		…
1671		2135
1672	sub load_header_from($) {	2136	sub load_header_from($) {
1673	my ($self, $path) = @_;	2137	my ($self, $path) = @_;
1674		2138
1675	utf8::encode $path;	2139	utf8::encode $path;
1676	#aio_open $path, O_RDONLY, 0	2140	my $f = new_from_file cf::object::thawer $path
1677	# or return;
1678
1679	$self->_load_header ($path)
1680	or return;	2141	or return;
1681		2142
		2143	$self->_load_header ($f)
		2144	or return;
		2145
		2146	local $MAP_LOADING{$self->{path}} = $self;
		2147	$f->resolve_delayed_derefs;
		2148
1682	$self->{load_path} = $path;	2149	$self->{load_path} = $path;
1683		2150
1684	1	2151	1
1685	}	2152	}
1686		2153
		2154	# used to laod the header of an original map
1687	sub load_header_orig {	2155	sub load_header_orig {
1688	my ($self) = @_;	2156	my ($self) = @_;
1689		2157
1690	$self->load_header_from ($self->load_path)	2158	$self->load_header_from ($self->load_path)
1691	}	2159	}
1692		2160
		2161	# used to laod the header of an instantiated map
1693	sub load_header_temp {	2162	sub load_header_temp {
1694	my ($self) = @_;	2163	my ($self) = @_;
1695		2164
1696	$self->load_header_from ($self->save_path)	2165	$self->load_header_from ($self->save_path)
1697	}	2166	}
1698		2167
		2168	# called after loading the header from an instantiated map
1699	sub prepare_temp {	2169	sub prepare_temp {
1700	my ($self) = @_;	2170	my ($self) = @_;
1701		2171
1702	$self->last_access ((delete $self->{last_access})	2172	$self->last_access ((delete $self->{last_access})
1703	|| $cf::RUNTIME); #d#	2173	|| $cf::RUNTIME); #d#
1704	# safety	2174	# safety
1705	$self->{instantiate_time} = $cf::RUNTIME	2175	$self->{instantiate_time} = $cf::RUNTIME
1706	if $self->{instantiate_time} > $cf::RUNTIME;	2176	if $self->{instantiate_time} > $cf::RUNTIME;
1707	}	2177	}
1708		2178
		2179	# called after loading the header from an original map
1709	sub prepare_orig {	2180	sub prepare_orig {
1710	my ($self) = @_;	2181	my ($self) = @_;
1711		2182
1712	$self->{load_original} = 1;	2183	$self->{load_original} = 1;
1713	$self->{instantiate_time} = $cf::RUNTIME;	2184	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1737		2208
1738	sub find;	2209	sub find;
1739	sub find {	2210	sub find {
1740	my ($path, $origin) = @_;	2211	my ($path, $origin) = @_;
1741		2212
		2213	cf::cede_to_tick;
		2214
1742	$path = normalise $path, $origin && $origin->path;	2215	$path = normalise $path, $origin;
1743		2216
		2217	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1744	cf::lock_wait "map_find:$path";	2218	my $guard2 = cf::lock_acquire "map_find:$path";
1745		2219
1746	$cf::MAP{$path} || do {	2220	$cf::MAP{$path} || do {
1747	my $guard = cf::lock_acquire "map_find:$path";
1748	my $map = new_from_path cf::map $path	2221	my $map = new_from_path cf::map $path
1749	or return;	2222	or return;
1750		2223
1751	$map->{last_save} = $cf::RUNTIME;	2224	$map->{last_save} = $cf::RUNTIME;
1752		2225
…		…
1754	or return;	2227	or return;
1755		2228
1756	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2229	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1757	# doing this can freeze the server in a sync job, obviously	2230	# doing this can freeze the server in a sync job, obviously
1758	#$cf::WAIT_FOR_TICK->wait;	2231	#$cf::WAIT_FOR_TICK->wait;
		2232	undef $guard2;
		2233	undef $guard1;
1759	$map->reset;	2234	$map->reset;
1760	undef $guard;
1761	return find $path;	2235	return find $path;
1762	}	2236	}
1763		2237
1764	$cf::MAP{$path} = $map	2238	$cf::MAP{$path} = $map
1765	}	2239	}
1766	}	2240	}
1767		2241
1768	sub pre_load { }	2242	sub pre_load { }
1769	sub post_load { }	2243	#sub post_load { } # XS
1770		2244
1771	sub load {	2245	sub load {
1772	my ($self) = @_;	2246	my ($self) = @_;
1773		2247
1774	local $self->{deny_reset} = 1; # loading can take a long time	2248	local $self->{deny_reset} = 1; # loading can take a long time
1775		2249
1776	my $path = $self->{path};	2250	my $path = $self->{path};
1777		2251
1778	{	2252	{
1779	my $guard = cf::lock_acquire "map_load:$path";	2253	my $guard = cf::lock_acquire "map_data:$path";
1780		2254
		2255	return unless $self->valid;
1781	return if $self->in_memory != cf::MAP_SWAPPED;	2256	return unless $self->state == cf::MAP_SWAPPED;
1782
1783	$self->in_memory (cf::MAP_LOADING);
1784		2257
1785	$self->alloc;	2258	$self->alloc;
1786		2259
1787	$self->pre_load;	2260	$self->pre_load;
1788	Coro::cede;	2261	cf::cede_to_tick;
1789		2262
1790	$self->_load_objects ($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)
1791	or return;	2267	or return;
1792		2268
1793	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2269	$self->post_load_original
1794	if delete $self->{load_original};	2270	if delete $self->{load_original};
1795		2271
1796	if (my $uniq = $self->uniq_path) {	2272	if (my $uniq = $self->uniq_path) {
1797	utf8::encode $uniq;	2273	utf8::encode $uniq;
1798	if (aio_open $uniq, O_RDONLY, 0) {	2274	unless (aio_stat $uniq) {
		2275	if (my $f = new_from_file cf::object::thawer $uniq) {
1799	$self->clear_unique_items;	2276	$self->clear_unique_items;
1800	$self->_load_objects ($uniq, 0);	2277	$self->_load_objects ($f);
		2278	$f->resolve_delayed_derefs;
		2279	}
		2280	}
1801	}	2281	}
1802	}
1803		2282
1804	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;
1805	# now do the right thing for maps	2292	# now do the right thing for maps
1806	$self->link_multipart_objects;	2293	$self->link_multipart_objects;
1807	$self->difficulty ($self->estimate_difficulty)	2294	$self->difficulty ($self->estimate_difficulty)
1808	unless $self->difficulty;	2295	unless $self->difficulty;
1809	Coro::cede;	2296	cf::cede_to_tick;
1810		2297
1811	unless ($self->{deny_activate}) {	2298	unless ($self->{deny_activate}) {
1812	$self->decay_objects;	2299	$self->decay_objects;
1813	$self->fix_auto_apply;	2300	$self->fix_auto_apply;
1814	$self->update_buttons;	2301	$self->update_buttons;
1815	Coro::cede;	2302	cf::cede_to_tick;
1816	$self->set_darkness_map;	2303	#$self->activate; # no longer activate maps automatically
1817	Coro::cede;
1818	$self->activate;
1819	}	2304	}
1820		2305
1821	$self->in_memory (cf::MAP_IN_MEMORY);	2306	$self->{last_save} = $cf::RUNTIME;
		2307	$self->last_access ($cf::RUNTIME);
1822	}	2308	}
1823		2309
1824	$self->post_load;	2310	$self->post_load;
1825	}
1826		2311
		2312	1
		2313	}
		2314
		2315	# customize the map for a given player, i.e.
		2316	# return the _real_ map. used by e.g. per-player
		2317	# maps to change the path to ~playername/mappath
1827	sub customise_for {	2318	sub customise_for {
1828	my ($self, $ob) = @_;	2319	my ($self, $ob) = @_;
1829		2320
1830	return find "~" . $ob->name . "/" . $self->{path}	2321	return find "~" . $ob->name . "/" . $self->{path}
1831	if $self->per_player;	2322	if $self->per_player;
…		…
1834	# if $self->per_party;	2325	# if $self->per_party;
1835		2326
1836	$self	2327	$self
1837	}	2328	}
1838		2329
1839	# find and load all maps in the 3x3 area around a map
1840	sub load_diag {
1841	my ($map) = @_;
1842
1843	my @diag; # diagonal neighbours
1844
1845	for (0 .. 3) {
1846	my $neigh = $map->tile_path ($_)
1847	or next;
1848	$neigh = find $neigh, $map
1849	or next;
1850	$neigh->load;
1851
1852	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1853	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1854	}
1855
1856	for (@diag) {
1857	my $neigh = find @$_
1858	or next;
1859	$neigh->load;
1860	}
1861	}
1862
1863	sub find_sync {	2330	sub find_sync {
1864	my ($path, $origin) = @_;	2331	my ($path, $origin) = @_;
1865		2332
1866	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, $origin
1867	}	2338	}
1868		2339
1869	sub do_load_sync {	2340	sub do_load_sync {
1870	my ($map) = @_;	2341	my ($map) = @_;
1871		2342
1872	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;
1873	}	2348	}
1874		2349
1875	our %MAP_PREFETCH;	2350	our %MAP_PREFETCH;
1876	our $MAP_PREFETCHER = undef;	2351	our $MAP_PREFETCHER = undef;
1877		2352
1878	sub find_async {	2353	sub find_async {
1879	my ($path, $origin) = @_;	2354	my ($path, $origin, $load) = @_;
1880		2355
1881	$path = normalise $path, $origin && $origin->{path};	2356	$path = normalise $path, $origin;
1882		2357
1883	if (my $map = $cf::MAP{$path}) {	2358	if (my $map = $cf::MAP{$path}) {
1884	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2359	return $map if !$load || $map->linkable;
1885	}	2360	}
1886		2361
1887	undef $MAP_PREFETCH{$path};	2362	$MAP_PREFETCH{$path} |= $load;
		2363
1888	$MAP_PREFETCHER ||= cf::async {	2364	$MAP_PREFETCHER ||= cf::async {
		2365	$Coro::current->{desc} = "map prefetcher";
		2366
1889	while (%MAP_PREFETCH) {	2367	while (%MAP_PREFETCH) {
1890	for my $path (keys %MAP_PREFETCH) {	2368	while (my ($k, $v) = each %MAP_PREFETCH) {
1891	my $map = find $path	2369	if (my $map = find $k) {
1892	or next;
1893	$map->load;	2370	$map->load if $v;
		2371	}
1894		2372
1895	delete $MAP_PREFETCH{$path};	2373	delete $MAP_PREFETCH{$k};
1896	}	2374	}
1897	}	2375	}
1898	undef $MAP_PREFETCHER;	2376	undef $MAP_PREFETCHER;
1899	};	2377	};
1900	$MAP_PREFETCHER->prio (6);	2378	$MAP_PREFETCHER->prio (6);
1901		2379
1902	()	2380	()
1903	}	2381	}
1904		2382
		2383	# common code, used by both ->save and ->swapout
1905	sub save {	2384	sub _save {
1906	my ($self) = @_;	2385	my ($self) = @_;
1907
1908	my $lock = cf::lock_acquire "map_data:" . $self->path;
1909		2386
1910	$self->{last_save} = $cf::RUNTIME;	2387	$self->{last_save} = $cf::RUNTIME;
1911		2388
1912	return unless $self->dirty;	2389	return unless $self->dirty;
1913		2390
…		…
1919	return if $self->{deny_save};	2396	return if $self->{deny_save};
1920		2397
1921	local $self->{last_access} = $self->last_access;#d#	2398	local $self->{last_access} = $self->last_access;#d#
1922		2399
1923	cf::async {	2400	cf::async {
		2401	$Coro::current->{desc} = "map player save";
1924	$_->contr->save for $self->players;	2402	$_->contr->save for $self->players;
1925	};	2403	};
		2404
		2405	cf::get_slot 0.02;
1926		2406
1927	if ($uniq) {	2407	if ($uniq) {
1928	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2408	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1929	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2409	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1930	} else {	2410	} else {
1931	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2411	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1932	}	2412	}
1933	}	2413	}
1934		2414
		2415	sub save {
		2416	my ($self) = @_;
		2417
		2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2419
		2420	$self->_save;
		2421	}
		2422
1935	sub swap_out {	2423	sub swap_out {
1936	my ($self) = @_;	2424	my ($self) = @_;
1937		2425
1938	# save first because save cedes
1939	$self->save;
1940
1941	my $lock = cf::lock_acquire "map_data:" . $self->path;	2426	my $lock = cf::lock_acquire "map_data:$self->{path}";
1942		2427
		2428	return if !$self->linkable;
		2429	return if $self->{deny_save};
1943	return if $self->players;	2430	return if $self->players;
1944	return if $self->in_memory != cf::MAP_IN_MEMORY;
1945	return if $self->{deny_save};
1946		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
1947	$self->clear;	2441	$self->clear;
1948	$self->in_memory (cf::MAP_SWAPPED);
1949	}	2442	}
1950		2443
1951	sub reset_at {	2444	sub reset_at {
1952	my ($self) = @_;	2445	my ($self) = @_;
1953		2446
…		…
1971		2464
1972	my $lock = cf::lock_acquire "map_data:$self->{path}";	2465	my $lock = cf::lock_acquire "map_data:$self->{path}";
1973		2466
1974	return if $self->players;	2467	return if $self->players;
1975		2468
1976	warn "resetting map ", $self->path;	2469	cf::trace "resetting map ", $self->path, "\n";
1977		2470
1978	$self->in_memory (cf::MAP_SWAPPED);	2471	$self->state (cf::MAP_SWAPPED);
1979		2472
1980	# need to save uniques path	2473	# need to save uniques path
1981	unless ($self->{deny_save}) {	2474	unless ($self->{deny_save}) {
1982	my $uniq = $self->uniq_path; utf8::encode $uniq;	2475	my $uniq = $self->uniq_path; utf8::encode $uniq;
1983		2476
…		…
1985	if $uniq;	2478	if $uniq;
1986	}	2479	}
1987		2480
1988	delete $cf::MAP{$self->path};	2481	delete $cf::MAP{$self->path};
1989		2482
		2483	$self->deactivate;
		2484	$_->clear_links_to ($self) for values %cf::MAP;
1990	$self->clear;	2485	$self->clear;
1991
1992	$_->clear_links_to ($self) for values %cf::MAP;
1993		2486
1994	$self->unlink_save;	2487	$self->unlink_save;
1995	$self->destroy;	2488	$self->destroy;
1996	}	2489	}
1997		2490
1998	my $nuke_counter = "aaaa";	2491	my $nuke_counter = "aaaa";
1999		2492
2000	sub nuke {	2493	sub nuke {
2001	my ($self) = @_;	2494	my ($self) = @_;
2002		2495
		2496	{
		2497	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2498
2003	delete $cf::MAP{$self->path};	2499	delete $cf::MAP{$self->path};
2004		2500
2005	$self->unlink_save;	2501	$self->unlink_save;
2006		2502
2007	bless $self, "cf::map";	2503	bless $self, "cf::map::wrap";
2008	delete $self->{deny_reset};	2504	delete $self->{deny_reset};
2009	$self->{deny_save} = 1;	2505	$self->{deny_save} = 1;
2010	$self->reset_timeout (1);	2506	$self->reset_timeout (1);
2011	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2507	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2012		2508
2013	$cf::MAP{$self->path} = $self;	2509	$cf::MAP{$self->path} = $self;
		2510	}
2014		2511
2015	$self->reset; # polite request, might not happen	2512	$self->reset; # polite request, might not happen
2016	}	2513	}
2017		2514
2018	=item $maps = cf::map::tmp_maps	2515	=item $maps = cf::map::tmp_maps
…		…
2060		2557
2061	sub unique_maps() {	2558	sub unique_maps() {
2062	[	2559	[
2063	map {	2560	map {
2064	utf8::decode $_;	2561	utf8::decode $_;
2065	/\.map$/	2562	s/\.map$//; # TODO future compatibility hack
		2563	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2564	? ()
2066	? normalise $_	2565	: normalise $_
2067	: ()
2068	} @{ aio_readdir $UNIQUEDIR or [] }	2566	} @{ aio_readdir $UNIQUEDIR or [] }
2069	]	2567	]
2070	}	2568	}
2071		2569
2072	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	}
2073		2601
2074	=back	2602	=back
2075		2603
2076	=head3 cf::object	2604	=head3 cf::object
2077		2605
…		…
2081		2609
2082	=over 4	2610	=over 4
2083		2611
2084	=item $ob->inv_recursive	2612	=item $ob->inv_recursive
2085		2613
2086	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.
2087		2616
2088	=cut	2617	=cut
2089		2618
2090	sub inv_recursive_;	2619	sub inv_recursive_;
2091	sub inv_recursive_ {	2620	sub inv_recursive_ {
…		…
2094		2623
2095	sub inv_recursive {	2624	sub inv_recursive {
2096	inv_recursive_ inv $_[0]	2625	inv_recursive_ inv $_[0]
2097	}	2626	}
2098		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
2099	package cf;	2656	package cf;
2100		2657
2101	=back	2658	=back
2102		2659
2103	=head3 cf::object::player	2660	=head3 cf::object::player
…		…
2109	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>
2110	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
2111	dialogue with the given NPC character.	2668	dialogue with the given NPC character.
2112		2669
2113	=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	};
2114		2685
2115	# rough implementation of a future "reply" method that works	2686	# rough implementation of a future "reply" method that works
2116	# with dialog boxes.	2687	# with dialog boxes.
2117	#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
2118	sub cf::object::player::reply($$$;$) {	2689	sub cf::object::player::reply($$$;$) {
…		…
2125		2696
2126	} else {	2697	} else {
2127	my $pl = $self->contr;	2698	my $pl = $self->contr;
2128		2699
2129	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2700	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2130	my $diag = $pl->{npc_dialog};	2701	my $dialog = $pl->{npc_dialog};
2131	$diag->{pl}->ext_reply (	2702	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2132	$diag->{id},
2133	msgtype => "reply",
2134	msg => $diag->{pl}->expand_cfpod ($msg),
2135	add_topics => []
2136	);
2137		2703
2138	} else {	2704	} else {
2139	$msg = $npc->name . " says: $msg" if $npc;	2705	$msg = $npc->name . " says: $msg" if $npc;
2140	$self->message ($msg, $flags);	2706	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2141	}	2707	}
2142	}	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 (@_);
2143	}	2719	}
2144		2720
2145	=item $player_object->may ("access")	2721	=item $player_object->may ("access")
2146		2722
2147	Returns wether the given player is authorized to access resource "access"	2723	Returns wether the given player is authorized to access resource "access"
…		…
2160		2736
2161	=item $player_object->enter_link	2737	=item $player_object->enter_link
2162		2738
2163	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}>).
2164		2740
2165	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.
2166	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.
2167		2745
2168	Will never block.	2746	Will never block.
2169		2747
2170	=item $player_object->leave_link ($map, $x, $y)	2748	=item $player_object->leave_link ($map, $x, $y)
2171		2749
…		…
2191	sub cf::object::player::enter_link {	2769	sub cf::object::player::enter_link {
2192	my ($self) = @_;	2770	my ($self) = @_;
2193		2771
2194	$self->deactivate_recursive;	2772	$self->deactivate_recursive;
2195		2773
		2774	++$self->{_link_recursion};
		2775
2196	return if UNIVERSAL::isa $self->map, "ext::map_link";	2776	return if UNIVERSAL::isa $self->map, "ext::map_link";
2197		2777
2198	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2199	if $self->map && $self->map->{path} ne "{link}";	2779	if $self->map && $self->map->{path} ne "{link}";
2200		2780
2201	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2781	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2202	}	2782	}
2203		2783
2204	sub cf::object::player::leave_link {	2784	sub cf::object::player::leave_link {
2205	my ($self, $map, $x, $y) = @_;	2785	my ($self, $map, $x, $y) = @_;
2206		2786
…		…
2223	($x, $y) = (-1, -1)	2803	($x, $y) = (-1, -1)
2224	unless (defined $x) && (defined $y);	2804	unless (defined $x) && (defined $y);
2225		2805
2226	# use -1 or undef as default coordinates, not 0, 0	2806	# use -1 or undef as default coordinates, not 0, 0
2227	($x, $y) = ($map->enter_x, $map->enter_y)	2807	($x, $y) = ($map->enter_x, $map->enter_y)
2228	if $x <=0 && $y <= 0;	2808	if $x <= 0 && $y <= 0;
2229		2809
2230	$map->load;	2810	$map->load;
2231	$map->load_diag;
2232		2811
2233	return unless $self->contr->active;	2812	return unless $self->contr->active;
2234	$self->activate_recursive;
2235		2813
2236	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2814	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2237	$self->enter_map ($map, $x, $y);	2815	if ($self->enter_map ($map, $x, $y)) {
2238	}	2816	# entering was successful
		2817	delete $self->{_link_recursion};
		2818	# only activate afterwards, to support waiting in hooks
		2819	$self->activate_recursive;
		2820	}
2239		2821
		2822	}
		2823
2240	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2824	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2241		2825
2242	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
2243	her, loading and preparing them map, calling the provided $check callback	2827	her, loading and preparing them map, calling the provided $check callback
2244	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
2245	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 >>.
2246		2834
2247	=cut	2835	=cut
2248		2836
2249	our $GOTOGEN;	2837	our $GOTOGEN;
2250		2838
2251	sub cf::object::player::goto {	2839	sub cf::object::player::goto {
2252	my ($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	}
2253		2847
2254	# 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
2255	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2849	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2256		2850
2257	$self->enter_link;	2851	$self->enter_link;
2258		2852
2259	(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
2260	my $map = eval {	2875	my $map = eval {
2261	my $map = cf::map::find $path;	2876	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2262		2877
2263	if ($map) {	2878	if ($map) {
2264	$map = $map->customise_for ($self);	2879	$map = $map->customise_for ($self);
2265	$map = $check->($map) if $check && $map;	2880	$map = $check->($map, $x, $y, $self) if $check && $map;
2266	} else {	2881	} else {
2267	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2882	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2268	}	2883	}
2269		2884
2270	$map	2885	$map
2271	};	2886	};
2272		2887
…		…
2277		2892
2278	if ($gen == $self->{_goto_generation}) {	2893	if ($gen == $self->{_goto_generation}) {
2279	delete $self->{_goto_generation};	2894	delete $self->{_goto_generation};
2280	$self->leave_link ($map, $x, $y);	2895	$self->leave_link ($map, $x, $y);
2281	}	2896	}
		2897
		2898	$done->($self) if $done;
2282	})->prio (1);	2899	})->prio (1);
2283	}	2900	}
2284		2901
2285	=item $player_object->enter_exit ($exit_object)	2902	=item $player_object->enter_exit ($exit_object)
2286		2903
…		…
2306	}	2923	}
2307		2924
2308	sub prepare_random_map {	2925	sub prepare_random_map {
2309	my ($exit) = @_;	2926	my ($exit) = @_;
2310		2927
2311	my $guard = cf::lock_acquire "exit_prepare:$exit";
2312
2313	# all this does is basically replace the /! path by	2928	# all this does is basically replace the /! path by
2314	# a new random map path (?random/...) with a seed	2929	# a new random map path (?random/...) with a seed
2315	# that depends on the exit object	2930	# that depends on the exit object
2316		2931
2317	my $rmp = parse_random_map_params $exit->msg;	2932	my $rmp = parse_random_map_params $exit->msg;
…		…
2319	if ($exit->map) {	2934	if ($exit->map) {
2320	$rmp->{region} = $exit->region->name;	2935	$rmp->{region} = $exit->region->name;
2321	$rmp->{origin_map} = $exit->map->path;	2936	$rmp->{origin_map} = $exit->map->path;
2322	$rmp->{origin_x} = $exit->x;	2937	$rmp->{origin_x} = $exit->x;
2323	$rmp->{origin_y} = $exit->y;	2938	$rmp->{origin_y} = $exit->y;
		2939
		2940	$exit->map->touch;
2324	}	2941	}
2325		2942
2326	$rmp->{random_seed} ||= $exit->random_seed;	2943	$rmp->{random_seed} ||= $exit->random_seed;
2327		2944
2328	my $data = cf::to_json $rmp;	2945	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2329	my $md5 = Digest::MD5::md5_hex $data;	2946	my $md5 = Digest::MD5::md5_hex $data;
2330	my $meta = "$RANDOMDIR/$md5.meta";	2947	my $meta = "$RANDOMDIR/$md5.meta";
2331		2948
2332	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2949	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2333	aio_write $fh, 0, (length $data), $data, 0;	2950	aio_write $fh, 0, (length $data), $data, 0;
2334	undef $fh;	2951	undef $fh;
2335	aio_rename "$meta~", $meta;	2952	aio_rename "$meta~", $meta;
2336		2953
		2954	my $slaying = "?random/$md5";
		2955
		2956	if ($exit->valid) {
2337	$exit->slaying ("?random/$md5");	2957	$exit->slaying ("?random/$md5");
2338	$exit->msg (undef);	2958	$exit->msg (undef);
		2959	}
2339	}	2960	}
2340	}	2961	}
2341		2962
2342	sub cf::object::player::enter_exit {	2963	sub cf::object::player::enter_exit {
2343	my ($self, $exit) = @_;	2964	my ($self, $exit) = @_;
2344		2965
2345	return unless $self->type == cf::PLAYER;	2966	return unless $self->type == cf::PLAYER;
2346		2967
2347	if ($exit->slaying eq "/!") {
2348	#TODO: this should de-fi-ni-te-ly not be a sync-job
2349	# the problem is that $exit might not survive long enough
2350	# so it needs to be done right now, right here
2351	cf::sync_job { prepare_random_map $exit };
2352	}
2353
2354	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2355	my $hp = $exit->stats->hp;
2356	my $sp = $exit->stats->sp;
2357
2358	$self->enter_link;	2968	$self->enter_link;
2359		2969
2360	(async {	2970	(async {
2361	$self->deactivate_recursive; # just to be sure	2971	$Coro::current->{desc} = "enter_exit";
		2972
2362	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
2363	$self->goto ($slaying, $hp, $sp);	3003	$self->goto ($map, $x, $y);
2364		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
2365	1;	3009	1
2366	}) {	3010	}) {
2367	$self->message ("Something went wrong deep within the crossfire server. "	3011	$self->message ("Something went wrong deep within the deliantra server. "
2368	. "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. "
2369	. "Please report this to the dungeon master!",	3013	. "Please report this to the dungeon master!",
2370	cf::NDI_UNIQUE | cf::NDI_RED);	3014	cf::NDI_UNIQUE | cf::NDI_RED);
2371		3015
2372	warn "ERROR in enter_exit: $@";	3016	error "ERROR in enter_exit: $@";
2373	$self->leave_link;	3017	$self->leave_link;
2374	}	3018	}
2375	})->prio (1);	3019	})->prio (1);
2376	}	3020	}
2377		3021
…		…
2391		3035
2392	utf8::encode $text;	3036	utf8::encode $text;
2393	$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);
2394	}	3038	}
2395		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
2396	=item $client->send_msg ($color, $type, $msg, [extra...])	3065	=item $client->send_msg ($channel, $msg, $color, [extra...])
2397		3066
2398	Send a drawinfo or msg packet to the client, formatting the msg for the	3067	Send a drawinfo or msg packet to the client, formatting the msg for the
2399	client if neccessary. C<$type> should be a string identifying the type of	3068	client if neccessary. C<$type> should be a string identifying the type of
2400	the message, with C<log> being the default. If C<$color> is negative, suppress	3069	the message, with C<log> being the default. If C<$color> is negative, suppress
2401	the message unless the client supports the msg packet.	3070	the message unless the client supports the msg packet.
2402		3071
2403	=cut	3072	=cut
2404		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" => $CHAT_CHANNEL,
		3186	);
		3187
2405	sub cf::client::send_msg {	3188	sub cf::client::send_msg {
2406	my ($self, $color, $type, $msg, @extra) = @_;	3189	my ($self, $channel, $msg, $color, @extra) = @_;
2407		3190
2408	$msg = $self->pl->expand_cfpod ($msg);	3191	$msg = $self->pl->expand_cfpod ($msg)
		3192	unless $color & cf::NDI_VERBATIM;
2409		3193
2410	if ($self->can_msg) {	3194	$color &= cf::NDI_CLIENT_MASK; # just in case...
2411	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
2412	} else {
2413	# replace some tags by gcfclient-compatible ones
2414	for ($msg) {
2415	1 while
2416	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2417	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2418	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2419	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2420	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2421	}
2422		3195
2423	if ($color >= 0) {	3196	# check predefined channels, for the benefit of C
2424	if (0 && $msg =~ /\[/) {	3197	if ($CHANNEL{$channel}) {
2425	$self->send_packet ("drawextinfo $color 4 0 $msg")	3198	$channel = $CHANNEL{$channel};
2426	} else {	3199
2427	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3200	$self->ext_msg (channel_info => $channel);
2428	$self->send_packet ("drawinfo $color $msg")	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);
2429	}	3208	}
2430	}
2431	}
2432	}
2433		3209
		3210	$channel = $channel->{id};
		3211	}
		3212
		3213	return unless @extra || length $msg;
		3214
		3215	# default colour, mask it out
		3216	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3217	if $color & cf::NDI_DEF;
		3218
		3219	my $pkt = "msg "
		3220	. $self->{json_coder}->encode (
		3221	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3222	);
		3223
		3224	$self->send_big_packet ($pkt);
		3225	}
		3226
2434	=item $client->ext_event ($type, %msg)	3227	=item $client->ext_msg ($type, @msg)
2435		3228
2436	Sends an ext event to the client.	3229	Sends an ext event to the client.
2437		3230
2438	=cut	3231	=cut
2439		3232
2440	sub cf::client::ext_event($$%) {	3233	sub cf::client::ext_msg($$@) {
2441	my ($self, $type, %msg) = @_;	3234	my ($self, $type, @msg) = @_;
2442		3235
		3236	if ($self->extcmd == 2) {
		3237	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3238	} elsif ($self->extcmd == 1) { # TODO: remove
2443	$msg{msgtype} = "event_$type";	3239	push @msg, msgtype => "event_$type";
2444	$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]));
2445	}	3256	}
2446		3257
2447	=item $success = $client->query ($flags, "text", \&cb)	3258	=item $success = $client->query ($flags, "text", \&cb)
2448		3259
2449	Queues a query to the client, calling the given callback with	3260	Queues a query to the client, calling the given callback with
…		…
2504	my ($ns, $buf) = @_;	3315	my ($ns, $buf) = @_;
2505		3316
2506	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3317	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2507		3318
2508	if (ref $msg) {	3319	if (ref $msg) {
		3320	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3321
		3322	my @reply;
		3323
2509	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3324	if (my $cb = $EXTICMD{$type}) {
2510	if (my %reply = $cb->($ns, $msg)) {	3325	@reply = $cb->($ns, @payload);
2511	$reply{msgid} = $msg->{msgid};
2512	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2513	}
2514	}	3326	}
		3327
		3328	$ns->ext_reply ($reply, @reply)
		3329	if $reply;
		3330
2515	} else {	3331	} else {
2516	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";
2517	}	3333	}
2518		3334
2519	cf::override;	3335	cf::override;
2520	},	3336	},
2521	);	3337	);
…		…
2541		3357
2542	$coro	3358	$coro
2543	}	3359	}
2544		3360
2545	cf::client->attach (	3361	cf::client->attach (
2546	on_destroy => sub {	3362	on_client_destroy => sub {
2547	my ($ns) = @_;	3363	my ($ns) = @_;
2548		3364
2549	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3365	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2550	},	3366	},
2551	);	3367	);
…		…
2566	our $safe = new Safe "safe";	3382	our $safe = new Safe "safe";
2567	our $safe_hole = new Safe::Hole;	3383	our $safe_hole = new Safe::Hole;
2568		3384
2569	$SIG{FPE} = 'IGNORE';	3385	$SIG{FPE} = 'IGNORE';
2570		3386
2571	$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	));
2572		3392
2573	# here we export the classes and methods available to script code	3393	# here we export the classes and methods available to script code
2574		3394
2575	=pod	3395	=pod
2576		3396
2577	The following functions and methods are available within a safe environment:	3397	The following functions and methods are available within a safe environment:
2578		3398
2579	cf::object contr pay_amount pay_player map	3399	cf::object
		3400	contr pay_amount pay_player map x y force_find force_add destroy
		3401	insert remove name archname title slaying race decrease split
		3402	value
		3403
2580	cf::object::player player	3404	cf::object::player
2581	cf::player peaceful	3405	player
2582	cf::map trigger	3406
		3407	cf::player
		3408	peaceful
		3409
		3410	cf::map
		3411	trigger
2583		3412
2584	=cut	3413	=cut
2585		3414
2586	for (	3415	for (
2587	["cf::object" => qw(contr pay_amount pay_player map)],	3416	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3417	insert remove inv nrof name archname title slaying race
		3418	decrease split destroy change_exp value msg lore send_msg)],
2588	["cf::object::player" => qw(player)],	3419	["cf::object::player" => qw(player)],
2589	["cf::player" => qw(peaceful)],	3420	["cf::player" => qw(peaceful send_msg)],
2590	["cf::map" => qw(trigger)],	3421	["cf::map" => qw(trigger)],
2591	) {	3422	) {
2592	no strict 'refs';
2593	my ($pkg, @funs) = @$_;	3423	my ($pkg, @funs) = @$_;
2594	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3424	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2595	for @funs;	3425	for @funs;
2596	}	3426	}
2597		3427
…		…
2612		3442
2613	my $qcode = $code;	3443	my $qcode = $code;
2614	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3444	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2615	$qcode =~ s/\n/\\n/g;	3445	$qcode =~ s/\n/\\n/g;
2616		3446
		3447	%vars = (_dummy => 0) unless %vars;
		3448
		3449	my @res;
2617	local $_;	3450	local $_;
2618	local @safe::cf::_safe_eval_args = values %vars;
2619		3451
2620	my $eval =	3452	my $eval =
2621	"do {\n"	3453	"do {\n"
2622	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3454	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2623	. "#line 0 \"{$qcode}\"\n"	3455	. "#line 0 \"{$qcode}\"\n"
2624	. $code	3456	. $code
2625	. "\n}"	3457	. "\n}"
2626	;	3458	;
2627		3459
		3460	if ($CFG{safe_eval}) {
2628	sub_generation_inc;	3461	sub_generation_inc;
		3462	local @safe::cf::_safe_eval_args = values %vars;
2629	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3463	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2630	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	}
2631		3469
2632	if ($@) {	3470	if ($@) {
2633	warn "$@";	3471	warn "$@",
2634	warn "while executing safe code '$code'\n";	3472	"while executing safe code '$code'\n",
2635	warn "with arguments " . (join " ", %vars) . "\n";	3473	"with arguments " . (join " ", %vars) . "\n";
2636	}	3474	}
2637		3475
2638	wantarray ? @res : $res[0]	3476	wantarray ? @res : $res[0]
2639	}	3477	}
2640		3478
…		…
2654	=cut	3492	=cut
2655		3493
2656	sub register_script_function {	3494	sub register_script_function {
2657	my ($fun, $cb) = @_;	3495	my ($fun, $cb) = @_;
2658		3496
2659	no strict 'refs';	3497	$fun = "safe::$fun" if $CFG{safe_eval};
2660	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3498	*$fun = $safe_hole->wrap ($cb);
2661	}	3499	}
2662		3500
2663	=back	3501	=back
2664		3502
2665	=cut	3503	=cut
…		…
2668	# the server's init and main functions	3506	# the server's init and main functions
2669		3507
2670	sub load_facedata($) {	3508	sub load_facedata($) {
2671	my ($path) = @_;	3509	my ($path) = @_;
2672		3510
		3511	# HACK to clear player env face cache, we need some signal framework
		3512	# for this (global event?)
		3513	%ext::player_env::MUSIC_FACE_CACHE = ();
		3514
		3515	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3516
2673	warn "loading facedata from $path\n";	3517	trace "loading facedata from $path\n";
2674		3518
2675	my $facedata;	3519	my $facedata = decode_storable load_file $path;
2676	0 < aio_load $path, $facedata
2677	or die "$path: $!";
2678
2679	$facedata = Coro::Storable::thaw $facedata;
2680		3520
2681	$facedata->{version} == 2	3521	$facedata->{version} == 2
2682	or cf::cleanup "$path: version mismatch, cannot proceed.";	3522	or cf::cleanup "$path: version mismatch, cannot proceed.";
2683		3523
		3524	# patch in the exptable
		3525	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3526	$facedata->{resource}{"res/exp_table"} = {
		3527	type => FT_RSRC,
		3528	data => $exp_table,
		3529	hash => (Digest::MD5::md5 $exp_table),
		3530	};
		3531	cf::cede_to_tick;
		3532
2684	{	3533	{
2685	my $faces = $facedata->{faceinfo};	3534	my $faces = $facedata->{faceinfo};
2686		3535
2687	while (my ($face, $info) = each %$faces) {	3536	while (my ($face, $info) = each %$faces) {
2688	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3537	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3538
2689	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3539	cf::face::set_visibility $idx, $info->{visibility};
		3540	cf::face::set_magicmap $idx, $info->{magicmap};
2690	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3541	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2691	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3542	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2692	Coro::cede;	3543	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3544
		3545	cf::cede_to_tick;
2693	}	3546	}
2694		3547
2695	while (my ($face, $info) = each %$faces) {	3548	while (my ($face, $info) = each %$faces) {
2696	next unless $info->{smooth};	3549	next unless $info->{smooth};
		3550
2697	my $idx = cf::face::find $face	3551	my $idx = cf::face::find $face
2698	or next;	3552	or next;
		3553
2699	if (my $smooth = cf::face::find $info->{smooth}) {	3554	if (my $smooth = cf::face::find $info->{smooth}) {
		3555	cf::face::set_smooth $idx, $smooth;
2700	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3556	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2701	} else {	3557	} else {
2702	warn "smooth face '$info->{smooth}' not found for face '$face'";	3558	error "smooth face '$info->{smooth}' not found for face '$face'";
2703	}	3559	}
2704	Coro::cede;	3560
		3561	cf::cede_to_tick;
2705	}	3562	}
2706	}	3563	}
2707		3564
2708	{	3565	{
2709	my $anims = $facedata->{animinfo};	3566	my $anims = $facedata->{animinfo};
2710		3567
2711	while (my ($anim, $info) = each %$anims) {	3568	while (my ($anim, $info) = each %$anims) {
2712	cf::anim::set $anim, $info->{frames}, $info->{facings};	3569	cf::anim::set $anim, $info->{frames}, $info->{facings};
2713	Coro::cede;	3570	cf::cede_to_tick;
2714	}	3571	}
2715		3572
2716	cf::anim::invalidate_all; # d'oh	3573	cf::anim::invalidate_all; # d'oh
2717	}	3574	}
2718		3575
		3576	{
		3577	my $res = $facedata->{resource};
		3578
		3579	while (my ($name, $info) = each %$res) {
		3580	if (defined (my $type = $info->{type})) {
		3581	# TODO: different hash - must free and use new index, or cache ixface data queue
		3582	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3583
		3584	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3585	cf::face::set_type $idx, $type;
		3586	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3587	} else {
		3588	# $RESOURCE{$name} = $info; # unused
		3589	}
		3590
		3591	cf::cede_to_tick;
		3592	}
		3593	}
		3594
		3595	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3596
2719	1	3597	1
2720	}	3598	}
2721		3599
		3600	register_exticmd fx_want => sub {
		3601	my ($ns, $want) = @_;
		3602
		3603	while (my ($k, $v) = each %$want) {
		3604	$ns->fx_want ($k, $v);
		3605	}
		3606	};
		3607
		3608	sub load_resource_file($) {
		3609	my $guard = lock_acquire "load_resource_file";
		3610
		3611	my $status = load_resource_file_ $_[0];
		3612	get_slot 0.1, 100;
		3613	cf::arch::commit_load;
		3614
		3615	$status
		3616	}
		3617
2722	sub reload_regions {	3618	sub reload_regions {
		3619	# HACK to clear player env face cache, we need some signal framework
		3620	# for this (global event?)
		3621	%ext::player_env::MUSIC_FACE_CACHE = ();
		3622
2723	load_resource_file "$MAPDIR/regions"	3623	load_resource_file "$MAPDIR/regions"
2724	or die "unable to load regions file\n";	3624	or die "unable to load regions file\n";
		3625
		3626	for (cf::region::list) {
		3627	$_->{match} = qr/$_->{match}/
		3628	if exists $_->{match};
		3629	}
2725	}	3630	}
2726		3631
2727	sub reload_facedata {	3632	sub reload_facedata {
2728	load_facedata "$DATADIR/facedata"	3633	load_facedata "$DATADIR/facedata"
2729	or die "unable to load facedata\n";	3634	or die "unable to load facedata\n";
2730	}	3635	}
2731		3636
2732	sub reload_archetypes {	3637	sub reload_archetypes {
2733	load_resource_file "$DATADIR/archetypes"	3638	load_resource_file "$DATADIR/archetypes"
2734	or die "unable to load archetypes\n";	3639	or die "unable to load archetypes\n";
2735	#d# NEED to laod twice to resolve forward references
2736	# this really needs to be done in an extra post-pass
2737	# (which needs to be synchronous, so solve it differently)
2738	load_resource_file "$DATADIR/archetypes"
2739	or die "unable to load archetypes\n";
2740	}	3640	}
2741		3641
2742	sub reload_treasures {	3642	sub reload_treasures {
2743	load_resource_file "$DATADIR/treasures"	3643	load_resource_file "$DATADIR/treasures"
2744	or die "unable to load treasurelists\n";	3644	or die "unable to load treasurelists\n";
2745	}	3645	}
2746		3646
		3647	sub reload_sound {
		3648	trace "loading sound config from $DATADIR/sound\n";
		3649
		3650	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3651
		3652	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3653	my $sound = $soundconf->{compat}[$_]
		3654	or next;
		3655
		3656	my $face = cf::face::find "sound/$sound->[1]";
		3657	cf::sound::set $sound->[0] => $face;
		3658	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3659	}
		3660
		3661	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3662	my $face = cf::face::find "sound/$v";
		3663	cf::sound::set $k => $face;
		3664	}
		3665	}
		3666
2747	sub reload_resources {	3667	sub reload_resources {
2748	warn "reloading resource files...\n";	3668	trace "reloading resource files...\n";
2749		3669
		3670	reload_exp_table;
		3671	reload_materials;
		3672	reload_facedata;
		3673	reload_sound;
		3674	reload_archetypes;
2750	reload_regions;	3675	reload_regions;
2751	reload_facedata;
2752	#reload_archetypes;#d#
2753	reload_archetypes;
2754	reload_treasures;	3676	reload_treasures;
2755		3677
2756	warn "finished reloading resource files\n";	3678	trace "finished reloading resource files\n";
2757	}	3679	}
2758		3680
2759	sub init {	3681	sub reload_config {
2760	reload_resources;	3682	trace "reloading config file...\n";
2761	}
2762		3683
2763	sub cfg_load {	3684	my $config = load_file "$CONFDIR/config";
2764	open my $fh, "<:utf8", "$CONFDIR/config"	3685	utf8::decode $config;
2765	or return;	3686	*CFG = decode_yaml $config;
2766		3687
2767	local $/;
2768	*CFG = YAML::Syck::Load <$fh>;
2769
2770	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3688	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2771		3689
2772	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3690	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2773	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3691	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2774		3692
2775	if (exists $CFG{mlockall}) {	3693	if (exists $CFG{mlockall}) {
…		…
2779	};	3697	};
2780	warn $@ if $@;	3698	warn $@ if $@;
2781	}	3699	}
2782	}	3700	}
2783		3701
		3702	sub pidfile() {
		3703	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3704	or die "$PIDFILE: $!";
		3705	flock $fh, &Fcntl::LOCK_EX
		3706	or die "$PIDFILE: flock: $!";
		3707	$fh
		3708	}
		3709
		3710	# make sure only one server instance is running at any one time
		3711	sub atomic {
		3712	my $fh = pidfile;
		3713
		3714	my $pid = <$fh>;
		3715	kill 9, $pid if $pid > 0;
		3716
		3717	seek $fh, 0, 0;
		3718	print $fh $$;
		3719	}
		3720
		3721	sub main_loop {
		3722	trace "EV::loop starting\n";
		3723	if (1) {
		3724	EV::loop;
		3725	}
		3726	trace "EV::loop returned\n";
		3727	goto &main_loop unless $REALLY_UNLOOP;
		3728	}
		3729
2784	sub main {	3730	sub main {
		3731	cf::init_globals; # initialise logging
		3732
		3733	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3734	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3735	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3736	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3737
		3738	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3739
2785	# we must not ever block the main coroutine	3740	# we must not ever block the main coroutine
2786	local $Coro::idle = sub {	3741	local $Coro::idle = sub {
2787	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3742	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2788	(async {	3743	(async {
2789	Event::one_event;	3744	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3745	EV::loop EV::LOOP_ONESHOT;
2790	})->prio (Coro::PRIO_MAX);	3746	})->prio (Coro::PRIO_MAX);
2791	};	3747	};
2792		3748
2793	cfg_load;	3749	evthread_start IO::AIO::poll_fileno;
		3750
		3751	cf::sync_job {
		3752	cf::incloader::init ();
		3753
		3754	cf::init_anim;
		3755	cf::init_attackmess;
		3756	cf::init_dynamic;
		3757
		3758	cf::load_settings;
		3759
		3760	reload_resources;
		3761	reload_config;
2794	db_init;	3762	db_init;
		3763
		3764	cf::init_uuid;
		3765	cf::init_signals;
		3766	cf::init_skills;
		3767
		3768	cf::init_beforeplay;
		3769
		3770	atomic;
		3771
2795	load_extensions;	3772	load_extensions;
2796		3773
2797	$TICK_WATCHER->start;	3774	utime time, time, $RUNTIMEFILE;
2798	Event::loop;	3775
		3776	# no (long-running) fork's whatsoever before this point(!)
		3777	use POSIX ();
		3778	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3779
		3780	cf::_post_init 0;
		3781	};
		3782
		3783	cf::object::thawer::errors_are_fatal 0;
		3784	info "parse errors in files are no longer fatal from this point on.\n";
		3785
		3786	AE::postpone {
		3787	undef &main; # free gobs of memory :)
		3788	};
		3789
		3790	goto &main_loop;
2799	}	3791	}
2800		3792
2801	#############################################################################	3793	#############################################################################
2802	# initialisation and cleanup	3794	# initialisation and cleanup
2803		3795
2804	# install some emergency cleanup handlers	3796	# install some emergency cleanup handlers
2805	BEGIN {	3797	BEGIN {
		3798	our %SIGWATCHER = ();
2806	for my $signal (qw(INT HUP TERM)) {	3799	for my $signal (qw(INT HUP TERM)) {
2807	Event->signal (	3800	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2808	reentrant => 0,
2809	data => WF_AUTOCANCEL,
2810	signal => $signal,
2811	prio => 0,
2812	cb => sub {
2813	cf::cleanup "SIG$signal";	3801	cf::cleanup "SIG$signal";
2814	},
2815	);	3802	};
2816	}	3803	}
2817	}	3804	}
2818		3805
2819	sub write_runtime {	3806	sub write_runtime_sync {
2820	my $runtime = "$LOCALDIR/runtime";	3807	my $t0 = AE::time;
2821		3808
2822	# first touch the runtime file to show we are still running:	3809	# first touch the runtime file to show we are still running:
2823	# the fsync below can take a very very long time.	3810	# the fsync below can take a very very long time.
2824		3811
2825	IO::AIO::aio_utime $runtime, undef, undef;	3812	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2826		3813
2827	my $guard = cf::lock_acquire "write_runtime";	3814	my $guard = cf::lock_acquire "write_runtime";
2828		3815
2829	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3816	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2830	or return;	3817	or return;
2831		3818
2832	my $value = $cf::RUNTIME + 90 + 10;	3819	my $value = $cf::RUNTIME + 90 + 10;
2833	# 10 is the runtime save interval, for a monotonic clock	3820	# 10 is the runtime save interval, for a monotonic clock
2834	# 60 allows for the watchdog to kill the server.	3821	# 60 allows for the watchdog to kill the server.
…		…
2844	aio_utime $fh, undef, undef;	3831	aio_utime $fh, undef, undef;
2845		3832
2846	close $fh	3833	close $fh
2847	or return;	3834	or return;
2848		3835
2849	aio_rename "$runtime~", $runtime	3836	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2850	and return;	3837	and return;
2851		3838
2852	warn "runtime file written.\n";	3839	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2853		3840
2854	1	3841	1
		3842	}
		3843
		3844	our $uuid_lock;
		3845	our $uuid_skip;
		3846
		3847	sub write_uuid_sync($) {
		3848	$uuid_skip ||= $_[0];
		3849
		3850	return if $uuid_lock;
		3851	local $uuid_lock = 1;
		3852
		3853	my $uuid = "$LOCALDIR/uuid";
		3854
		3855	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3856	or return;
		3857
		3858	my $value = uuid_seq uuid_cur;
		3859
		3860	unless ($value) {
		3861	info "cowardly refusing to write zero uuid value!\n";
		3862	return;
		3863	}
		3864
		3865	my $value = uuid_str $value + $uuid_skip;
		3866	$uuid_skip = 0;
		3867
		3868	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3869	and return;
		3870
		3871	# always fsync - this file is important
		3872	aio_fsync $fh
		3873	and return;
		3874
		3875	close $fh
		3876	or return;
		3877
		3878	aio_rename "$uuid~", $uuid
		3879	and return;
		3880
		3881	trace "uuid file written ($value).\n";
		3882
		3883	1
		3884
		3885	}
		3886
		3887	sub write_uuid($$) {
		3888	my ($skip, $sync) = @_;
		3889
		3890	$sync ? write_uuid_sync $skip
		3891	: async { write_uuid_sync $skip };
2855	}	3892	}
2856		3893
2857	sub emergency_save() {	3894	sub emergency_save() {
2858	my $freeze_guard = cf::freeze_mainloop;	3895	my $freeze_guard = cf::freeze_mainloop;
2859		3896
2860	warn "enter emergency perl save\n";	3897	info "emergency_perl_save: enter\n";
		3898
		3899	# this is a trade-off: we want to be very quick here, so
		3900	# save all maps without fsync, and later call a global sync
		3901	# (which in turn might be very very slow)
		3902	local $USE_FSYNC = 0;
2861		3903
2862	cf::sync_job {	3904	cf::sync_job {
		3905	cf::write_runtime_sync; # external watchdog should not bark
		3906
2863	# use a peculiar iteration method to avoid tripping on perl	3907	# use a peculiar iteration method to avoid tripping on perl
2864	# refcount bugs in for. also avoids problems with players	3908	# refcount bugs in for. also avoids problems with players
2865	# and maps saved/destroyed asynchronously.	3909	# and maps saved/destroyed asynchronously.
2866	warn "begin emergency player save\n";	3910	info "emergency_perl_save: begin player save\n";
2867	for my $login (keys %cf::PLAYER) {	3911	for my $login (keys %cf::PLAYER) {
2868	my $pl = $cf::PLAYER{$login} or next;	3912	my $pl = $cf::PLAYER{$login} or next;
2869	$pl->valid or next;	3913	$pl->valid or next;
		3914	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2870	$pl->save;	3915	$pl->save;
2871	}	3916	}
2872	warn "end emergency player save\n";	3917	info "emergency_perl_save: end player save\n";
2873		3918
2874	warn "begin emergency map save\n";	3919	cf::write_runtime_sync; # external watchdog should not bark
		3920
		3921	info "emergency_perl_save: begin map save\n";
2875	for my $path (keys %cf::MAP) {	3922	for my $path (keys %cf::MAP) {
2876	my $map = $cf::MAP{$path} or next;	3923	my $map = $cf::MAP{$path} or next;
2877	$map->valid or next;	3924	$map->valid or next;
2878	$map->save;	3925	$map->save;
2879	}	3926	}
2880	warn "end emergency map save\n";	3927	info "emergency_perl_save: end map save\n";
2881		3928
2882	warn "begin emergency database checkpoint\n";	3929	cf::write_runtime_sync; # external watchdog should not bark
		3930
		3931	info "emergency_perl_save: begin database checkpoint\n";
2883	BDB::db_env_txn_checkpoint $DB_ENV;	3932	BDB::db_env_txn_checkpoint $DB_ENV;
2884	warn "end emergency database checkpoint\n";	3933	info "emergency_perl_save: end database checkpoint\n";
		3934
		3935	info "emergency_perl_save: begin write uuid\n";
		3936	write_uuid_sync 1;
		3937	info "emergency_perl_save: end write uuid\n";
		3938
		3939	cf::write_runtime_sync; # external watchdog should not bark
		3940
		3941	trace "emergency_perl_save: syncing database to disk";
		3942	BDB::db_env_txn_checkpoint $DB_ENV;
		3943
		3944	info "emergency_perl_save: starting sync\n";
		3945	IO::AIO::aio_sync sub {
		3946	info "emergency_perl_save: finished sync\n";
		3947	};
		3948
		3949	cf::write_runtime_sync; # external watchdog should not bark
		3950
		3951	trace "emergency_perl_save: flushing outstanding aio requests";
		3952	while (IO::AIO::nreqs || BDB::nreqs) {
		3953	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3954	}
		3955
		3956	cf::write_runtime_sync; # external watchdog should not bark
2885	};	3957	};
2886		3958
2887	warn "leave emergency perl save\n";	3959	info "emergency_perl_save: leave\n";
2888	}	3960	}
2889		3961
2890	sub post_cleanup {	3962	sub post_cleanup {
2891	my ($make_core) = @_;	3963	my ($make_core) = @_;
2892		3964
		3965	IO::AIO::flush;
		3966
2893	warn Carp::longmess "post_cleanup backtrace"	3967	error Carp::longmess "post_cleanup backtrace"
2894	if $make_core;	3968	if $make_core;
		3969
		3970	my $fh = pidfile;
		3971	unlink $PIDFILE if <$fh> == $$;
		3972	}
		3973
		3974	# a safer delete_package, copied from Symbol
		3975	sub clear_package($) {
		3976	my $pkg = shift;
		3977
		3978	# expand to full symbol table name if needed
		3979	unless ($pkg =~ /^main::.*::$/) {
		3980	$pkg = "main$pkg" if $pkg =~ /^::/;
		3981	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3982	$pkg .= '::' unless $pkg =~ /::$/;
		3983	}
		3984
		3985	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3986	my $stem_symtab = *{$stem}{HASH};
		3987
		3988	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3989	or return;
		3990
		3991	# clear all symbols
		3992	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3993	for my $name (keys %$leaf_symtab) {
		3994	_gv_clear *{"$pkg$name"};
		3995	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3996	}
2895	}	3997	}
2896		3998
2897	sub do_reload_perl() {	3999	sub do_reload_perl() {
2898	# can/must only be called in main	4000	# can/must only be called in main
2899	if ($Coro::current != $Coro::main) {	4001	unless (in_main) {
2900	warn "can only reload from main coroutine";	4002	error "can only reload from main coroutine";
2901	return;	4003	return;
2902	}	4004	}
2903		4005
2904	warn "reloading...";	4006	return if $RELOAD++;
2905		4007
2906	warn "entering sync_job";	4008	my $t1 = AE::time;
2907		4009
		4010	while ($RELOAD) {
		4011	cf::get_slot 0.1, -1, "reload_perl";
		4012	info "perl_reload: reloading...";
		4013
		4014	trace "perl_reload: entering sync_job";
		4015
2908	cf::sync_job {	4016	cf::sync_job {
2909	cf::write_runtime; # external watchdog should not bark
2910	cf::emergency_save;	4017	#cf::emergency_save;
2911	cf::write_runtime; # external watchdog should not bark
2912		4018
2913	warn "syncing database to disk";
2914	BDB::db_env_txn_checkpoint $DB_ENV;
2915
2916	# if anything goes wrong in here, we should simply crash as we already saved
2917
2918	warn "cancelling all WF_AUTOCANCEL watchers";
2919	for (Event::all_watchers) {
2920	$_->cancel if $_->data & WF_AUTOCANCEL;
2921	}
2922
2923	warn "flushing outstanding aio requests";
2924	for (;;) {
2925	BDB::flush;
2926	IO::AIO::flush;
2927	Coro::cede;
2928	last unless IO::AIO::nreqs || BDB::nreqs;
2929	warn "iterate...";
2930	}
2931
2932	++$RELOAD;
2933
2934	warn "cancelling all extension coros";	4019	trace "perl_reload: cancelling all extension coros";
2935	$_->cancel for values %EXT_CORO;	4020	$_->cancel for values %EXT_CORO;
2936	%EXT_CORO = ();	4021	%EXT_CORO = ();
2937		4022
2938	warn "removing commands";	4023	trace "perl_reload: removing commands";
2939	%COMMAND = ();	4024	%COMMAND = ();
2940		4025
2941	warn "removing ext/exti commands";	4026	trace "perl_reload: removing ext/exti commands";
2942	%EXTCMD = ();	4027	%EXTCMD = ();
2943	%EXTICMD = ();	4028	%EXTICMD = ();
2944		4029
2945	warn "unloading/nuking all extensions";	4030	trace "perl_reload: unloading/nuking all extensions";
2946	for my $pkg (@EXTS) {	4031	for my $pkg (@EXTS) {
2947	warn "... unloading $pkg";	4032	trace "... unloading $pkg";
2948		4033
2949	if (my $cb = $pkg->can ("unload")) {	4034	if (my $cb = $pkg->can ("unload")) {
2950	eval {	4035	eval {
2951	$cb->($pkg);	4036	$cb->($pkg);
2952	1	4037	1
2953	} or warn "$pkg unloaded, but with errors: $@";	4038	} or error "$pkg unloaded, but with errors: $@";
		4039	}
		4040
		4041	trace "... clearing $pkg";
		4042	clear_package $pkg;
2954	}	4043	}
2955		4044
2956	warn "... nuking $pkg";
2957	Symbol::delete_package $pkg;
2958	}
2959
2960	warn "unloading all perl modules loaded from $LIBDIR";	4045	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2961	while (my ($k, $v) = each %INC) {	4046	while (my ($k, $v) = each %INC) {
2962	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4047	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2963		4048
2964	warn "... unloading $k";	4049	trace "... unloading $k";
2965	delete $INC{$k};	4050	delete $INC{$k};
2966		4051
2967	$k =~ s/\.pm$//;	4052	$k =~ s/\.pm$//;
2968	$k =~ s/\//::/g;	4053	$k =~ s/\//::/g;
2969		4054
2970	if (my $cb = $k->can ("unload_module")) {	4055	if (my $cb = $k->can ("unload_module")) {
2971	$cb->();	4056	$cb->();
		4057	}
		4058
		4059	clear_package $k;
2972	}	4060	}
2973		4061
2974	Symbol::delete_package $k;
2975	}
2976
2977	warn "getting rid of safe::, as good as possible";	4062	trace "perl_reload: getting rid of safe::, as good as possible";
2978	Symbol::delete_package "safe::$_"	4063	clear_package "safe::$_"
2979	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4064	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2980		4065
2981	warn "unloading cf.pm \"a bit\"";	4066	trace "perl_reload: unloading cf.pm \"a bit\"";
2982	delete $INC{"cf.pm"};	4067	delete $INC{"cf.pm"};
2983	delete $INC{"cf/pod.pm"};	4068	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2984		4069
2985	# don't, removes xs symbols, too,	4070	# don't, removes xs symbols, too,
2986	# and global variables created in xs	4071	# and global variables created in xs
2987	#Symbol::delete_package __PACKAGE__;	4072	#clear_package __PACKAGE__;
2988		4073
2989	warn "unload completed, starting to reload now";	4074	info "perl_reload: unload completed, starting to reload now";
2990		4075
2991	warn "reloading cf.pm";	4076	trace "perl_reload: reloading cf.pm";
2992	require cf;	4077	require cf;
2993	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4078	cf::_connect_to_perl_1;
2994		4079
2995	warn "loading config and database again";	4080	trace "perl_reload: loading config and database again";
2996	cf::cfg_load;	4081	cf::reload_config;
2997		4082
2998	warn "loading extensions";	4083	trace "perl_reload: loading extensions";
2999	cf::load_extensions;	4084	cf::load_extensions;
3000		4085
		4086	if ($REATTACH_ON_RELOAD) {
3001	warn "reattaching attachments to objects/players";	4087	trace "perl_reload: reattaching attachments to objects/players";
3002	_global_reattach; # objects, sockets	4088	_global_reattach; # objects, sockets
3003	warn "reattaching attachments to maps";	4089	trace "perl_reload: reattaching attachments to maps";
3004	reattach $_ for values %MAP;	4090	reattach $_ for values %MAP;
3005	warn "reattaching attachments to players";	4091	trace "perl_reload: reattaching attachments to players";
3006	reattach $_ for values %PLAYER;	4092	reattach $_ for values %PLAYER;
		4093	}
3007		4094
3008	warn "leaving sync_job";	4095	cf::_post_init 1;
3009		4096
		4097	trace "perl_reload: leaving sync_job";
		4098
3010	1	4099	1
3011	} or do {	4100	} or do {
3012	warn $@;	4101	error $@;
3013	warn "error while reloading, exiting.";	4102	cf::cleanup "perl_reload: error, exiting.";
3014	exit 1;	4103	};
		4104
		4105	--$RELOAD;
3015	};	4106	}
3016		4107
3017	warn "reloaded";	4108	$t1 = AE::time - $t1;
		4109	info "perl_reload: completed in ${t1}s\n";
3018	};	4110	};
3019		4111
3020	our $RELOAD_WATCHER; # used only during reload	4112	our $RELOAD_WATCHER; # used only during reload
3021		4113
3022	sub reload_perl() {	4114	sub reload_perl() {
3023	# doing reload synchronously and two reloads happen back-to-back,	4115	# doing reload synchronously and two reloads happen back-to-back,
3024	# coro crashes during coro_state_free->destroy here.	4116	# coro crashes during coro_state_free->destroy here.
3025		4117
3026	$RELOAD_WATCHER ||= Event->timer (	4118	$RELOAD_WATCHER ||= cf::async {
3027	reentrant => 0,	4119	Coro::AIO::aio_wait cache_extensions;
3028	after => 0,	4120
3029	data => WF_AUTOCANCEL,	4121	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3030	cb => sub {
3031	do_reload_perl;	4122	do_reload_perl;
3032	undef $RELOAD_WATCHER;	4123	undef $RELOAD_WATCHER;
3033	},	4124	};
3034	);	4125	};
3035	}	4126	}
3036		4127
3037	register_command "reload" => sub {	4128	register_command "reload" => sub {
3038	my ($who, $arg) = @_;	4129	my ($who, $arg) = @_;
3039		4130
3040	if ($who->flag (FLAG_WIZ)) {	4131	if ($who->flag (FLAG_WIZ)) {
3041	$who->message ("reloading server.");	4132	$who->message ("reloading server.");
		4133	async {
		4134	$Coro::current->{desc} = "perl_reload";
3042	async { reload_perl };	4135	reload_perl;
		4136	};
3043	}	4137	}
3044	};	4138	};
3045		4139
3046	unshift @INC, $LIBDIR;	4140	#############################################################################
3047		4141
3048	my $bug_warning = 0;	4142	my $bug_warning = 0;
3049		4143
3050	our @WAIT_FOR_TICK;
3051	our @WAIT_FOR_TICK_BEGIN;
3052
3053	sub wait_for_tick {	4144	sub wait_for_tick() {
3054	return unless $TICK_WATCHER->is_active;	4145	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3055	return if $Coro::current == $Coro::main;
3056		4146
3057	my $signal = new Coro::Signal;	4147	$WAIT_FOR_TICK->wait;
3058	push @WAIT_FOR_TICK, $signal;
3059	$signal->wait;
3060	}	4148	}
3061		4149
3062	sub wait_for_tick_begin {	4150	sub wait_for_tick_begin() {
3063	return unless $TICK_WATCHER->is_active;	4151	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3064	return if $Coro::current == $Coro::main;
3065		4152
3066	my $signal = new Coro::Signal;	4153	my $signal = new Coro::Signal;
3067	push @WAIT_FOR_TICK_BEGIN, $signal;	4154	push @WAIT_FOR_TICK_BEGIN, $signal;
3068	$signal->wait;	4155	$signal->wait;
3069	}	4156	}
3070		4157
3071	my $min = 1e6;#d#	4158	sub tick {
3072	my $avg = 10;
3073	$TICK_WATCHER = Event->timer (
3074	reentrant => 0,
3075	parked => 1,
3076	prio => 0,
3077	at => $NEXT_TICK || $TICK,
3078	data => WF_AUTOCANCEL,
3079	cb => sub {
3080	if ($Coro::current != $Coro::main) {	4159	if ($Coro::current != $Coro::main) {
3081	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4160	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3082	unless ++$bug_warning > 10;	4161	unless ++$bug_warning > 10;
3083	return;	4162	return;
3084	}	4163	}
3085		4164
3086	$NOW = $tick_start = Event::time;	4165	cf::one_tick; # one server iteration
3087		4166
3088	cf::server_tick; # one server iteration	4167	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3089		4168
3090	0 && sync_job {#d#	4169	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3091	for(1..10) {	4170	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3092	my $t = Event::time;	4171	Coro::async_pool {
3093	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4172	$Coro::current->{desc} = "runtime saver";
3094	or die;	4173	write_runtime_sync
3095		4174	or error "ERROR: unable to write runtime file: $!";
3096	$map->width (50);
3097	$map->height (50);
3098	$map->alloc;
3099	$map->_load_objects ("/tmp/x.map", 1);
3100	my $t = Event::time - $t;
3101
3102	#next unless $t < 0.0013;#d#
3103	if ($t < $min) {
3104	$min = $t;
3105	}
3106	$avg = $avg * 0.99 + $t * 0.01;
3107	}
3108	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3109	exit 0;
3110	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3111	};	4175	};
		4176	}
3112		4177
3113	$RUNTIME += $TICK;
3114	$NEXT_TICK += $TICK;
3115
3116	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3117	$NEXT_RUNTIME_WRITE = $NOW + 10;
3118	Coro::async_pool {
3119	write_runtime
3120	or warn "ERROR: unable to write runtime file: $!";
3121	};
3122	}
3123
3124	# my $AFTER = Event::time;
3125	# warn $AFTER - $NOW;#d#
3126
3127	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4178	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3128	$sig->send;	4179	$sig->send;
3129	}	4180	}
3130	while (my $sig = shift @WAIT_FOR_TICK) {	4181	$WAIT_FOR_TICK->broadcast;
3131	$sig->send;
3132	}
3133		4182
3134	$NOW = Event::time;	4183	$LOAD = ($NOW - $TICK_START) / $TICK;
3135
3136	# if we are delayed by four ticks or more, skip them all
3137	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3138
3139	$TICK_WATCHER->at ($NEXT_TICK);
3140	$TICK_WATCHER->start;
3141
3142	$LOAD = ($NOW - $tick_start) / $TICK;
3143	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4184	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3144		4185
3145	_post_tick;	4186	if (0) {
3146		4187	if ($NEXT_TICK) {
3147		4188	my $jitter = $TICK_START - $NEXT_TICK;
		4189	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4190	debug "jitter $JITTER\n";#d#
		4191	}
3148	},	4192	}
3149	);	4193	}
3150		4194
3151	{	4195	{
3152	BDB::max_poll_time $TICK * 0.1;	4196	# configure BDB
3153	$BDB_POLL_WATCHER = Event->io (	4197
3154	reentrant => 0,
3155	fd => BDB::poll_fileno,
3156	poll => 'r',
3157	prio => 0,
3158	data => WF_AUTOCANCEL,
3159	cb => \&BDB::poll_cb,
3160	);
3161	BDB::min_parallel 8;	4198	BDB::min_parallel 16;
3162		4199	BDB::max_poll_reqs $TICK * 0.1;
3163	BDB::set_sync_prepare {	4200	#$AnyEvent::BDB::WATCHER->priority (1);
3164	my $status;
3165	my $current = $Coro::current;
3166	(
3167	sub {
3168	$status = $!;
3169	$current->ready; undef $current;
3170	},
3171	sub {
3172	Coro::schedule while defined $current;
3173	$! = $status;
3174	},
3175	)
3176	};
3177		4201
3178	unless ($DB_ENV) {	4202	unless ($DB_ENV) {
3179	$DB_ENV = BDB::db_env_create;	4203	$DB_ENV = BDB::db_env_create;
		4204	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4205	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4206	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4207	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4208	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3180		4209
3181	cf::sync_job {	4210	cf::sync_job {
3182	eval {	4211	eval {
3183	BDB::db_env_open	4212	BDB::db_env_open
3184	$DB_ENV,	4213	$DB_ENV,
…		…
3186	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4215	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3187	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4216	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3188	0666;	4217	0666;
3189		4218
3190	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4219	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3191
3192	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3193	$DB_ENV->set_lk_detect;
3194	};	4220	};
3195		4221
3196	cf::cleanup "db_env_open(db): $@" if $@;	4222	cf::cleanup "db_env_open(db): $@" if $@;
3197	};	4223	};
3198	}	4224	}
		4225
		4226	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4227	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4228	};
		4229	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4230	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4231	};
		4232	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4233	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4234	};
3199	}	4235	}
3200		4236
3201	{	4237	{
		4238	# configure IO::AIO
		4239
3202	IO::AIO::min_parallel 8;	4240	IO::AIO::min_parallel 8;
3203
3204	undef $Coro::AIO::WATCHER;
3205	IO::AIO::max_poll_time $TICK * 0.1;	4241	IO::AIO::max_poll_time $TICK * 0.1;
3206	$AIO_POLL_WATCHER = Event->io (	4242	undef $AnyEvent::AIO::WATCHER;
3207	reentrant => 0,
3208	data => WF_AUTOCANCEL,
3209	fd => IO::AIO::poll_fileno,
3210	poll => 'r',
3211	prio => 6,
3212	cb => \&IO::AIO::poll_cb,
3213	);
3214	}	4243	}
3215		4244
3216	my $_log_backtrace;	4245	our $_log_backtrace;
		4246	our $_log_backtrace_last;
3217		4247
3218	sub _log_backtrace {	4248	sub _log_backtrace {
3219	my ($msg, @addr) = @_;	4249	my ($msg, @addr) = @_;
3220		4250
3221	$msg =~ s/\n//;	4251	$msg =~ s/\n$//;
3222		4252
		4253	if ($_log_backtrace_last eq $msg) {
		4254	LOG llevInfo, "[ABT] $msg\n";
		4255	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3223	# limit the # of concurrent backtraces	4256	# limit the # of concurrent backtraces
3224	if ($_log_backtrace < 2) {	4257	} elsif ($_log_backtrace < 2) {
		4258	$_log_backtrace_last = $msg;
3225	++$_log_backtrace;	4259	++$_log_backtrace;
		4260	my $perl_bt = Carp::longmess $msg;
3226	async {	4261	async {
		4262	$Coro::current->{desc} = "abt $msg";
		4263
3227	my @bt = fork_call {	4264	my @bt = fork_call {
3228	@addr = map { sprintf "%x", $_ } @addr;	4265	@addr = map { sprintf "%x", $_ } @addr;
3229	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4266	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3230	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4267	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3231	or die "addr2line: $!";	4268	or die "addr2line: $!";
…		…
3239	}	4276	}
3240		4277
3241	@funcs	4278	@funcs
3242	};	4279	};
3243		4280
3244	LOG llevInfo, "[ABT] $msg\n";	4281	LOG llevInfo, "[ABT] $perl_bt\n";
		4282	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3245	LOG llevInfo, "[ABT] $_\n" for @bt;	4283	LOG llevInfo, "[ABT] $_\n" for @bt;
3246	--$_log_backtrace;	4284	--$_log_backtrace;
3247	};	4285	};
3248	} else {	4286	} else {
3249	LOG llevInfo, "[ABT] $msg\n";	4287	LOG llevInfo, "[ABT] $msg\n";
3250	LOG llevInfo, "[ABT] [suppressed]\n";	4288	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3251	}	4289	}
3252	}	4290	}
3253		4291
3254	# load additional modules	4292	# load additional modules
3255	use cf::pod;	4293	require "cf/$_.pm" for @EXTRA_MODULES;
		4294	cf::_connect_to_perl_2;
3256		4295
3257	END { cf::emergency_save }	4296	END { cf::emergency_save }
3258		4297
3259	1	4298	1
3260		4299

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