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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.308 by root, Mon Jul 16 14:09:40 2007 UTC vs.
Revision 1.586 by root, Wed Oct 31 15:02:02 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	56	use Fcntl;
30	use YAML::Syck ();	57	use YAML::XS ();
31	use IO::AIO 2.32 ();	58	use IO::AIO ();
32	use Time::HiRes;	59	use Time::HiRes;
33	use Compress::LZF;	60	use Compress::LZF;
34	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
35		64
36	# configure various modules to our taste	65	# configure various modules to our taste
37	#	66	#
38	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
39	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";
40	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
41		75
42	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
43		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		78
49	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;
50		82
51	our %COMMAND = ();	83	our %COMMAND = ();
52	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
53		85
54	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
55	our %EXTCMD = ();	87	our %EXTCMD = ();
56	our %EXTICMD = ();	88	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
59		91
60	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
62		96
63	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
64	our $DATADIR = datadir;	99	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
68	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
73	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;
74		120
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	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;
80	our $NOW;	139	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off
82		140
83	our $BDB_POLL_WATCHER;	141	our (%PLAYER, %PLAYER_LOADING); # all users
84	our $DB_ENV;	142	our (%MAP, %MAP_LOADING ); # all maps
85
86	our %CFG;
87
88	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;
90
91	our %PLAYER; # all users
92	our %MAP; # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	143	our $LINK_MAP; # the special {link} map, which is always available
94		144
95	# 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 ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	146	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		147
98	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)
99	our $LOADAVG; # same thing, but with alpha-smoothing	149	our $LOADAVG; # same thing, but with alpha-smoothing
		150	our $JITTER; # average jitter
100	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 $WAIT_FOR_TICK = new Coro::Signal;
		159	our @WAIT_FOR_TICK_BEGIN;
101		160
102	binmode STDOUT;	161	binmode STDOUT;
103	binmode STDERR;	162	binmode STDERR;
104		163
105	# read virtual server time, if available	164	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	165	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	166	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	167	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	168	$RUNTIME = <$fh> + 0.;
110	}	169	}
		170
		171	eval "sub TICK() { $TICK } 1" or die;
111		172
112	mkdir $_	173	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	174	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		175
115	our $EMERGENCY_POSITION;	176	our $EMERGENCY_POSITION;
116		177
117	sub cf::map::normalise;	178	sub cf::map::normalise;
118		179
		180	sub in_main() {
		181	$Coro::current == $Coro::main
		182	}
		183
119	#############################################################################	184	#############################################################################
120		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
121	=head2 GLOBAL VARIABLES	197	=head2 GLOBAL VARIABLES
122		198
123	=over 4	199	=over 4
124		200
125	=item $cf::UPTIME	201	=item $cf::UPTIME
126		202
127	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.
128		219
129	=item $cf::RUNTIME	220	=item $cf::RUNTIME
130		221
131	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
132	every server tick.	223	every server tick.
…		…
138	Various directories - "/etc", read-only install directory, perl-library	229	Various directories - "/etc", read-only install directory, perl-library
139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	230	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
140	unique-items directory, player file directory, random maps directory and	231	unique-items directory, player file directory, random maps directory and
141	database environment.	232	database environment.
142		233
143	=item $cf::NOW
144
145	The time of the last (current) server tick.
146
147	=item $cf::TICK
148
149	The interval between server ticks, in seconds.
150
151	=item $cf::LOADAVG	234	=item $cf::LOADAVG
152		235
153	The current CPU load on the server (alpha-smoothed), as a value between 0	236	The current CPU load on the server (alpha-smoothed), as a value between 0
154	(none) and 1 (overloaded), indicating how much time is spent on processing	237	(none) and 1 (overloaded), indicating how much time is spent on processing
155	objects per tick. Healthy values are < 0.5.	238	objects per tick. Healthy values are < 0.5.
…		…
158		241
159	The raw value load value from the last tick.	242	The raw value load value from the last tick.
160		243
161	=item %cf::CFG	244	=item %cf::CFG
162		245
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	246	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	247	from wherever your confdir points to.
165		248
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	249	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		250
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	251	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
169	returns directly I<after> the tick processing (and consequently, can only wake one process	252	returns directly I<after> the tick processing (and consequently, can only wake one thread
170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	253	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
171		254
		255	Note that cf::Wait_for_tick will immediately return when the server is not
		256	ticking, making it suitable for small pauses in threads that need to run
		257	when the server is paused. If that is not applicable (i.e. you I<really>
		258	want to wait, use C<$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
172	=back	284	=back
173		285
174	=cut	286	=cut
175		287
176	BEGIN {	288	sub error(@) { LOG llevError, join "", @_ }
177	*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 {
178	my $msg = join "", @_;	295	my $msg = join "", @_;
179		296
180	$msg .= "\n"	297	$msg .= "\n"
181	unless $msg =~ /\n$/;	298	unless $msg =~ /\n$/;
182		299
183	$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;
184		301
185	utf8::encode $msg;
186	LOG llevError, $msg;	302	LOG llevWarn, $msg;
187	};	303	};
188	}	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	};
189		318
190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	319	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	320	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	321	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	322	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
200	for my $pkg (qw(	329	for my $pkg (qw(
201	cf::global cf::attachable	330	cf::global cf::attachable
202	cf::object cf::object::player	331	cf::object cf::object::player
203	cf::client cf::player	332	cf::client cf::player
204	cf::arch cf::living	333	cf::arch cf::living
		334	cf::map cf::mapspace
205	cf::map cf::party cf::region	335	cf::party cf::region
206	)) {	336	)) {
207	no strict 'refs';
208	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	337	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
209	}	338	}
210		339
211	$Event::DIED = sub {	340	$EV::DIED = sub {
212	warn "error in event callback: @_";	341	warn "error in event callback: $@";
213	};	342	};
		343
		344	#############################################################################
		345
		346	sub fork_call(&@);
		347	sub get_slot($;$$);
214		348
215	#############################################################################	349	#############################################################################
216		350
217	=head2 UTILITY FUNCTIONS	351	=head2 UTILITY FUNCTIONS
218		352
…		…
239	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	373	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
240	$d	374	$d
241	} || "[unable to dump $_[0]: '$@']";	375	} || "[unable to dump $_[0]: '$@']";
242	}	376	}
243		377
		378	=item $scalar = cf::load_file $path
		379
		380	Loads the given file from path and returns its contents. Croaks on error
		381	and can block.
		382
		383	=cut
		384
		385	sub load_file($) {
		386	0 <= aio_load $_[0], my $data
		387	or Carp::croak "$_[0]: $!";
		388
		389	$data
		390	}
		391
		392	=item $success = cf::replace_file $path, $data, $sync
		393
		394	Atomically replaces the file at the given $path with new $data, and
		395	optionally $sync the data to disk before replacing the file.
		396
		397	=cut
		398
		399	sub replace_file($$;$) {
		400	my ($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
244	=item $ref = cf::from_json $json	430	=item $ref = cf::decode_json $json
245		431
246	Converts a JSON string into the corresponding perl data structure.	432	Converts a JSON string into the corresponding perl data structure.
247		433
248	=item $json = cf::to_json $ref	434	=item $json = cf::encode_json $ref
249		435
250	Converts a perl data structure into its JSON representation.	436	Converts a perl data structure into its JSON representation.
251		437
252	=cut	438	=cut
253		439
254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	440	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
255		441
256	sub to_json ($) { $json_coder->encode ($_[0]) }	442	sub encode_json($) { $json_coder->encode ($_[0]) }
257	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	}
258		506
259	=item cf::lock_wait $string	507	=item cf::lock_wait $string
260		508
261	Wait until the given lock is available. See cf::lock_acquire.	509	Wait until the given lock is available. See cf::lock_acquire.
262		510
263	=item my $lock = cf::lock_acquire $string	511	=item my $lock = cf::lock_acquire $string
264		512
265	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
266	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,
267	for example when the coroutine gets canceled), the lock is automatically	515	for example when the coroutine gets canceled), the lock is automatically
268	returned.	516	returned.
269		517
		518	Locks are *not* recursive, locking from the same coro twice results in a
		519	deadlocked coro.
		520
270	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
271	uses map_find and cf::map::load uses map_load).	522	uses map_find and cf::map::load uses map_load).
272		523
273	=item $locked = cf::lock_active $string	524	=item $locked = cf::lock_active $string
274		525
275	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.
276		527
277	=cut	528	=cut
278		529
279	our %LOCK;	530	our $LOCKS = new Coro::SemaphoreSet;
280		531
281	sub lock_wait($) {	532	sub lock_wait($) {
282	my ($key) = @_;	533	$LOCKS->wait ($_[0]);
283
284	# wait for lock, if any
285	while ($LOCK{$key}) {
286	push @{ $LOCK{$key} }, $Coro::current;
287	Coro::schedule;
288	}
289	}	534	}
290		535
291	sub lock_acquire($) {	536	sub lock_acquire($) {
292	my ($key) = @_;	537	$LOCKS->guard ($_[0])
293
294	# wait, to be sure we are not locked
295	lock_wait $key;
296
297	$LOCK{$key} = [];
298
299	Coro::guard {
300	# wake up all waiters, to be on the safe side
301	$_->ready for @{ delete $LOCK{$key} };
302	}
303	}	538	}
304		539
305	sub lock_active($) {	540	sub lock_active($) {
306	my ($key) = @_;	541	$LOCKS->count ($_[0]) < 1
307
308	! ! $LOCK{$key}
309	}	542	}
310		543
311	sub freeze_mainloop {	544	sub freeze_mainloop {
312	return unless $TICK_WATCHER->is_active;	545	tick_inhibit_inc;
313		546
314	my $guard = Coro::guard {	547	&Guard::guard (\&tick_inhibit_dec);
315	$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($$) {
		558	my ($interval, $cb) = @_;
		559
		560	my $start = rand List::Util::min 180, $interval;
		561
		562	EV::periodic $start, $interval, 0, $cb
		563	}
		564
		565	=item cf::get_slot $time[, $priority[, $name]]
		566
		567	Allocate $time seconds of blocking CPU time at priority C<$priority>
		568	(default: 0): This call blocks and returns only when you have at least
		569	C<$time> seconds of cpu time till the next tick. The slot is only valid
		570	till the next cede.
		571
		572	Background jobs should use a priority les than zero, interactive jobs
		573	should use 100 or more.
		574
		575	The optional C<$name> can be used to identify the job to run. It might be
		576	used for statistical purposes and should identify the same time-class.
		577
		578	Useful for short background jobs.
		579
		580	=cut
		581
		582	our @SLOT_QUEUE;
		583	our $SLOT_QUEUE;
		584	our $SLOT_DECAY = 0.9;
		585
		586	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		587	$SLOT_QUEUE = Coro::async {
		588	$Coro::current->desc ("timeslot manager");
		589
		590	my $signal = new Coro::Signal;
		591	my $busy;
		592
		593	while () {
		594	next_job:
		595
		596	my $avail = cf::till_tick;
		597
		598	for (0 .. $#SLOT_QUEUE) {
		599	if ($SLOT_QUEUE[$_][0] <= $avail) {
		600	$busy = 0;
		601	my $job = splice @SLOT_QUEUE, $_, 1, ();
		602	$job->[2]->send;
		603	Coro::cede;
		604	goto next_job;
		605	} else {
		606	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		607	}
		608	}
		609
		610	if (@SLOT_QUEUE) {
		611	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		612	$WAIT_FOR_TICK->wait;
		613	} else {
		614	$busy = 0;
		615	Coro::schedule;
		616	}
316	};	617	}
317	$TICK_WATCHER->stop;	618	};
318	$guard	619
		620	sub get_slot($;$$) {
		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	$sig->wait;
319	}	633	}
320		634
321	=item cf::async { BLOCK }	635	=item cf::async { BLOCK }
322		636
323	Currently the same as Coro::async_pool, meaning you cannot use	637	Currently the same as Coro::async_pool, meaning you cannot use
…		…
328		642
329	BEGIN { *async = \&Coro::async_pool }	643	BEGIN { *async = \&Coro::async_pool }
330		644
331	=item cf::sync_job { BLOCK }	645	=item cf::sync_job { BLOCK }
332		646
333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	647	The design of Deliantra requires that the main coroutine ($Coro::main)
334	is always able to handle events or runnable, as Crossfire TRT is only	648	is always able to handle events or runnable, as Deliantra is only
335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	649	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
336	acceptable.	650	acceptable.
337		651
338	If it must be done, put the blocking parts into C<sync_job>. This will run	652	If it must be done, put the blocking parts into C<sync_job>. This will run
339	the given BLOCK in another coroutine while waiting for the result. The	653	the given BLOCK in another coroutine while waiting for the result. The
…		…
343	=cut	657	=cut
344		658
345	sub sync_job(&) {	659	sub sync_job(&) {
346	my ($job) = @_;	660	my ($job) = @_;
347		661
348	if ($Coro::current == $Coro::main) {	662	if (in_main) {
349	my $time = Event::time;	663	my $time = AE::time;
350		664
351	# this is the main coro, too bad, we have to block	665	# this is the main coro, too bad, we have to block
352	# till the operation succeeds, freezing the server :/	666	# till the operation succeeds, freezing the server :/
353		667
354	# TODO: use suspend/resume instead	668	#LOG llevError, Carp::longmess "sync job";#d#
355	# (but this is cancel-safe)	669
356	my $freeze_guard = freeze_mainloop;	670	my $freeze_guard = freeze_mainloop;
357		671
358	my $busy = 1;	672	my $busy = 1;
359	my @res;	673	my @res;
360		674
361	(async {	675	(async {
		676	$Coro::current->desc ("sync job coro");
362	@res = eval { $job->() };	677	@res = eval { $job->() };
363	warn $@ if $@;	678	error $@ if $@;
364	undef $busy;	679	undef $busy;
365	})->prio (Coro::PRIO_MAX);	680	})->prio (Coro::PRIO_MAX);
366		681
367	while ($busy) {	682	while ($busy) {
368	Coro::cede or Event::one_event;	683	if (Coro::nready) {
		684	Coro::cede_notself;
		685	} else {
		686	EV::loop EV::LOOP_ONESHOT;
369	}	687	}
		688	}
370		689
371	$time = Event::time - $time;	690	my $time = AE::time - $time;
372		691
373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
375
376	$tick_start += $time; # do not account sync jobs to server load	692	$TICK_START += $time; # do not account sync jobs to server load
377		693
378	wantarray ? @res : $res[0]	694	wantarray ? @res : $res[0]
379	} else {	695	} else {
380	# we are in another coroutine, how wonderful, everything just works	696	# we are in another coroutine, how wonderful, everything just works
381		697
…		…
401	$EXT_CORO{$coro+0} = $coro;	717	$EXT_CORO{$coro+0} = $coro;
402		718
403	$coro	719	$coro
404	}	720	}
405		721
406	=item fork_call { }, $args	722	=item fork_call { }, @args
407		723
408	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
409	process, returning the results. Everything must be serialisable with	725	process, returning the results. Everything must be serialisable with
410	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
411	never block itself or use any form of Event handling.	727	never block itself or use any form of event handling.
412		728
413	=cut	729	=cut
414		730
415	sub _store_scalar {	731	sub post_fork {
416	open my $fh, ">", \my $buf	732	reset_signals;
417	or die "fork_call: cannot open fh-to-buf in child : $!";
418	Storable::store_fd $_[0], $fh;
419	close $fh;
420
421	$buf
422	}	733	}
423		734
424	sub fork_call(&@) {	735	sub fork_call(&@) {
425	my ($cb, @args) = @_;	736	my ($cb, @args) = @_;
426		737
427	# 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,
428	# or die "socketpair: $!";	739	# otherwise perl prematurely frees the stuff :/
429	pipe my $fh1, my $fh2	740	# TODO: investigate and fix (likely this will be rather laborious)
430	or die "pipe: $!";
431		741
432	if (my $pid = fork) {	742	my @res = Coro::Util::fork_eval {
433	close $fh2;	743	cf::post_fork;
		744	&$cb
		745	} @args;
434		746
435	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	747	wantarray ? @res : $res[-1]
436	warn "pst<$res>" unless $res =~ /^pst/;	748	}
437	$res = Coro::Storable::thaw $res;
438		749
439	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	750	sub objinfo {
440
441	Carp::confess $$res unless "ARRAY" eq ref $res;
442
443	return wantarray ? @$res : $res->[-1];
444	} else {
445	reset_signals;
446	local $SIG{__WARN__};
447	local $SIG{__DIE__};
448	# just in case, this hack effectively disables event
449	# in the child. cleaner and slower would be canceling all watchers,
450	# but this works for the time being.
451	local $Coro::idle;
452	$Coro::current->prio (Coro::PRIO_MAX);
453
454	eval {
455	close $fh1;
456
457	my @res = eval { $cb->(@args) };
458
459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
460	close $fh2;
461	};
462
463	warn $@ if $@;
464	_exit 0;
465	}	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
466	}	786	}
467		787
468	=item $value = cf::db_get $family => $key	788	=item $value = cf::db_get $family => $key
469		789
470	Returns a single value from the environment database.	790	Returns a single value from the environment database.
…		…
472	=item cf::db_put $family => $key => $value	792	=item cf::db_put $family => $key => $value
473		793
474	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
475	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).
476		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
477	=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	}
478		823
479	our $DB;	824	our $DB;
480		825
481	sub db_init {	826	sub db_init {
482	unless ($DB) {	827	$DB ||= db_table "db";
483	$DB = BDB::db_create $DB_ENV;
484
485	cf::sync_job {
486	eval {
487	$DB->set_flags (BDB::CHKSUM);
488
489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
491	cf::cleanup "db_open(db): $!" if $!;
492	};
493	cf::cleanup "db_open(db): $@" if $@;
494	};
495	}
496	}	828	}
497		829
498	sub db_get($$) {	830	sub db_get($$) {
499	my $key = "$_[0]/$_[1]";	831	my $key = "$_[0]/$_[1]";
500		832
501	cf::sync_job {	833	cf::error "db_get called from main context"
		834	if $Coro::current == $Coro::main;
		835
502	BDB::db_get $DB, undef, $key, my $data;	836	BDB::db_get $DB, undef, $key, my $data;
503		837
504	$! ? ()	838	$! ? ()
505	: $data	839	: $data
506	}
507	}	840	}
508		841
509	sub db_put($$$) {	842	sub db_put($$$) {
510	BDB::dbreq_pri 4;	843	BDB::dbreq_pri 4;
511	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	844	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
539		872
540	my @data;	873	my @data;
541	my $md5;	874	my $md5;
542		875
543	for (0 .. $#$src) {	876	for (0 .. $#$src) {
544	0 <= aio_load $src->[$_], $data[$_]	877	$data[$_] = load_file $src->[$_];
545	or Carp::croak "$src->[$_]: $!";
546	}	878	}
547		879
548	# if processing is expensive, check	880	# if processing is expensive, check
549	# checksum first	881	# checksum first
550	if (1) {	882	if (1) {
551	$md5 =	883	$md5 =
552	join "\x00",	884	join "\x00",
553	$processversion,	885	$processversion,
554	map {	886	map {
555	Coro::cede;	887	cf::cede_to_tick;
556	($src->[$_], Digest::MD5::md5_hex $data[$_])	888	($src->[$_], Digest::MD5::md5_hex $data[$_])
557	} 0.. $#$src;	889	} 0.. $#$src;
558		890
559		891
560	my $dbmd5 = db_get cache => "$id/md5";	892	my $dbmd5 = db_get cache => "$id/md5";
…		…
567		899
568	my $t1 = Time::HiRes::time;	900	my $t1 = Time::HiRes::time;
569	my $data = $process->(\@data);	901	my $data = $process->(\@data);
570	my $t2 = Time::HiRes::time;	902	my $t2 = Time::HiRes::time;
571		903
572	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	904	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
573		905
574	db_put cache => "$id/data", $data;	906	db_put cache => "$id/data", $data;
575	db_put cache => "$id/md5" , $md5;	907	db_put cache => "$id/md5" , $md5;
576	db_put cache => "$id/meta", $meta;	908	db_put cache => "$id/meta", $meta;
577		909
…		…
587		919
588	=cut	920	=cut
589		921
590	sub datalog($@) {	922	sub datalog($@) {
591	my ($type, %kv) = @_;	923	my ($type, %kv) = @_;
592	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	924	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
593	}	925	}
594		926
595	=back	927	=back
596		928
597	=cut	929	=cut
598		930
599	#############################################################################	931	#############################################################################
600		932
601	=head2 ATTACHABLE OBJECTS	933	=head2 ATTACHABLE OBJECTS
602		934
603	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
604	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")
605	to it. All such attachable objects support the following methods.	937	to it. All such attachable objects support the following methods.
606		938
607	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>
608	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
609	Crossfire TRT).	941	Deliantra).
610		942
611	=over 4	943	=over 4
612		944
613	=item $attachable->attach ($attachment, key => $value...)	945	=item $attachable->attach ($attachment, key => $value...)
614		946
…		…
658	=item cf::CLASS::attachment $name, ...	990	=item cf::CLASS::attachment $name, ...
659		991
660	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
661	given CLASS can refer to this attachment.	993	given CLASS can refer to this attachment.
662		994
663	Some classes such as crossfire maps and objects can specify attachments	995	Some classes such as deliantra maps and objects can specify attachments
664	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.
665		997
666	These calls expect any number of the following handler/hook descriptions:	998	These calls expect any number of the following handler/hook descriptions:
667		999
668	=over 4	1000	=over 4
…		…
792		1124
793	} elsif (exists $cb_id{$type}) {	1125	} elsif (exists $cb_id{$type}) {
794	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1126	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
795		1127
796	} elsif (ref $type) {	1128	} elsif (ref $type) {
797	warn "attaching objects not supported, ignoring.\n";	1129	error "attaching objects not supported, ignoring.\n";
798		1130
799	} else {	1131	} else {
800	shift @arg;	1132	shift @arg;
801	warn "attach argument '$type' not supported, ignoring.\n";	1133	error "attach argument '$type' not supported, ignoring.\n";
802	}	1134	}
803	}	1135	}
804	}	1136	}
805		1137
806	sub _object_attach {	1138	sub _object_attach {
…		…
816	_attach $registry, $klass, @attach;	1148	_attach $registry, $klass, @attach;
817	}	1149	}
818		1150
819	$obj->{$name} = \%arg;	1151	$obj->{$name} = \%arg;
820	} else {	1152	} else {
821	warn "object uses attachment '$name' which is not available, postponing.\n";	1153	info "object uses attachment '$name' which is not available, postponing.\n";
822	}	1154	}
823		1155
824	$obj->{_attachment}{$name} = undef;	1156	$obj->{_attachment}{$name} = undef;
825	}	1157	}
826		1158
…		…
866	";	1198	";
867	die if $@;	1199	die if $@;
868	}	1200	}
869		1201
870	our $override;	1202	our $override;
871	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?
872		1204
873	sub override {	1205	sub override {
874	$override = 1;	1206	$override = 1;
875	@invoke_results = ();	1207	@INVOKE_RESULTS = (@_);
876	}	1208	}
877		1209
878	sub do_invoke {	1210	sub do_invoke {
879	my $event = shift;	1211	my $event = shift;
880	my $callbacks = shift;	1212	my $callbacks = shift;
881		1213
882	@invoke_results = ();	1214	@INVOKE_RESULTS = ();
883		1215
884	local $override;	1216	local $override;
885		1217
886	for (@$callbacks) {	1218	for (@$callbacks) {
887	eval { &{$_->[1]} };	1219	eval { &{$_->[1]} };
888		1220
889	if ($@) {	1221	if ($@) {
890	warn "$@";
891	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1222	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
892	override;	1223	override;
893	}	1224	}
894		1225
895	return 1 if $override;	1226	return 1 if $override;
896	}	1227	}
897		1228
898	0	1229	0
899	}	1230	}
900		1231
901	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1232	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
902		1233
903	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
904		1235
905	Generate an object-specific event with the given arguments.	1236	Generate an object-specific event with the given arguments.
906		1237
907	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
908	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
909	results (if you must, access C<@cf::invoke_results> directly).	1240	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
910		1241
911	=back	1242	=back
912		1243
913	=cut	1244	=cut
914		1245
915	#############################################################################	1246	#############################################################################
916	# 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	}
917		1290
918	sub reattach {	1291	sub reattach {
919	# basically do the same as instantiate, without calling instantiate	1292	# basically do the same as instantiate, without calling instantiate
920	my ($obj) = @_;	1293	my ($obj) = @_;
921		1294
		1295	# no longer needed after getting rid of delete_package?
922	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
923		1297
924	my $registry = $obj->registry;	1298	my $registry = $obj->registry;
925		1299
926	@$registry = ();	1300	@$registry = ();
927		1301
…		…
932	for (@$attach) {	1306	for (@$attach) {
933	my ($klass, @attach) = @$_;	1307	my ($klass, @attach) = @$_;
934	_attach $registry, $klass, @attach;	1308	_attach $registry, $klass, @attach;
935	}	1309	}
936	} else {	1310	} else {
937	warn "object uses attachment '$name' that is not available, postponing.\n";	1311	info "object uses attachment '$name' that is not available, postponing.\n";
938	}	1312	}
939	}	1313	}
940	}	1314	}
941		1315
942	cf::attachable->attach (	1316	cf::attachable->attach (
943	prio => -1000000,	1317	prio => -1000000,
944	on_instantiate => sub {	1318	on_instantiate => sub {
945	my ($obj, $data) = @_;	1319	my ($obj, $data) = @_;
946		1320
947	$data = from_json $data;	1321	$data = decode_json $data;
948		1322
949	for (@$data) {	1323	for (@$data) {
950	my ($name, $args) = @$_;	1324	my ($name, $args) = @$_;
951		1325
952	$obj->attach ($name, %{$args || {} });	1326	$obj->attach ($name, %{$args || {} });
…		…
968	sub object_freezer_save {	1342	sub object_freezer_save {
969	my ($filename, $rdata, $objs) = @_;	1343	my ($filename, $rdata, $objs) = @_;
970		1344
971	sync_job {	1345	sync_job {
972	if (length $$rdata) {	1346	if (length $$rdata) {
		1347	utf8::decode (my $decname = $filename);
973	warn sprintf "saving %s (%d,%d)\n",	1348	trace sprintf "saving %s (%d,%d)\n",
974	$filename, length $$rdata, scalar @$objs;	1349	$decname, length $$rdata, scalar @$objs
		1350	if $VERBOSE_IO;
975		1351
976	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1352	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
977	chmod SAVE_MODE, $fh;	1353	aio_chmod $fh, SAVE_MODE;
978	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1354	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
979	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	}
980	close $fh;	1359	aio_close $fh;
981		1360
982	if (@$objs) {	1361	if (@$objs) {
983	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) {
984	chmod SAVE_MODE, $fh;	1363	aio_chmod $fh, SAVE_MODE;
985	my $data = Storable::nfreeze { version => 1, objs => $objs };	1364	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
986	aio_write $fh, 0, (length $data), $data, 0;	1365	aio_write $fh, 0, (length $data), $data, 0;
987	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	}
988	close $fh;	1370	aio_close $fh;
989	aio_rename "$filename.pst~", "$filename.pst";	1371	aio_rename "$filename.pst~", "$filename.pst";
990	}	1372	}
991	} else {	1373	} else {
992	aio_unlink "$filename.pst";	1374	aio_unlink "$filename.pst";
993	}	1375	}
994		1376
995	aio_rename "$filename~", $filename;	1377	aio_rename "$filename~", $filename;
		1378
		1379	$filename =~ s%/[^/]+$%%;
		1380	aio_pathsync $filename if $cf::USE_FSYNC;
996	} else {	1381	} else {
997	warn "FATAL: $filename~: $!\n";	1382	error "unable to save objects: $filename~: $!\n";
998	}	1383	}
999	} else {	1384	} else {
1000	aio_unlink $filename;	1385	aio_unlink $filename;
1001	aio_unlink "$filename.pst";	1386	aio_unlink "$filename.pst";
1002	}	1387	}
1003	}	1388	};
1004	}	1389	}
1005		1390
1006	sub object_freezer_as_string {	1391	sub object_freezer_as_string {
1007	my ($rdata, $objs) = @_;	1392	my ($rdata, $objs) = @_;
1008		1393
…		…
1020	or return;	1405	or return;
1021		1406
1022	unless (aio_stat "$filename.pst") {	1407	unless (aio_stat "$filename.pst") {
1023	(aio_load "$filename.pst", $av) >= 0	1408	(aio_load "$filename.pst", $av) >= 0
1024	or return;	1409	or return;
		1410
1025	$av = eval { (Storable::thaw $av)->{objs} };	1411	my $st = eval { Coro::Storable::thaw $av };
		1412	$av = $st->{objs};
1026	}	1413	}
1027		1414
		1415	utf8::decode (my $decname = $filename);
1028	warn sprintf "loading %s (%d)\n",	1416	trace sprintf "loading %s (%d,%d)\n",
1029	$filename, length $data, scalar @{$av || []};	1417	$decname, length $data, scalar @{$av || []}
		1418	if $VERBOSE_IO;
		1419
1030	return ($data, $av);	1420	($data, $av)
1031	}	1421	}
1032		1422
1033	=head2 COMMAND CALLBACKS	1423	=head2 COMMAND CALLBACKS
1034		1424
1035	=over 4	1425	=over 4
…		…
1089	my ($name, $cb) = @_;	1479	my ($name, $cb) = @_;
1090		1480
1091	$EXTICMD{$name} = $cb;	1481	$EXTICMD{$name} = $cb;
1092	}	1482	}
1093		1483
		1484	use File::Glob ();
		1485
1094	cf::player->attach (	1486	cf::player->attach (
1095	on_command => sub {	1487	on_unknown_command => sub {
1096	my ($pl, $name, $params) = @_;	1488	my ($pl, $name, $params) = @_;
1097		1489
1098	my $cb = $COMMAND{$name}	1490	my $cb = $COMMAND{$name}
1099	or return;	1491	or return;
1100		1492
…		…
1108	my ($pl, $buf) = @_;	1500	my ($pl, $buf) = @_;
1109		1501
1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1502	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1111		1503
1112	if (ref $msg) {	1504	if (ref $msg) {
		1505	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1506
		1507	my @reply;
		1508
1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1509	if (my $cb = $EXTCMD{$type}) {
1114	if (my %reply = $cb->($pl, $msg)) {	1510	@reply = $cb->($pl, @payload);
1115	$pl->ext_reply ($msg->{msgid}, %reply);
1116	}
1117	}	1511	}
		1512
		1513	$pl->ext_reply ($reply, @reply)
		1514	if $reply;
		1515
1118	} else {	1516	} else {
1119	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1517	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1120	}	1518	}
1121		1519
1122	cf::override;	1520	cf::override;
1123	},	1521	},
1124	);	1522	);
1125		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
1126	sub load_extensions {	1548	sub load_extensions {
		1549	info "loading extensions...";
		1550
		1551	%EXT_CFG = ();
		1552
1127	cf::sync_job {	1553	cf::sync_job {
1128	my %todo;	1554	my %todo;
1129		1555
1130	for my $path (<$LIBDIR/*.ext>) {	1556	for my $path (<$LIBDIR/*.ext>) {
1131	next unless -r $path;	1557	next unless -r $path;
…		…
1149		1575
1150	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1576	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1151	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1577	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1152		1578
1153	$ext{source} =	1579	$ext{source} =
1154	"package $pkg; use strict; use utf8;\n"	1580	"package $pkg; use common::sense;\n"
1155	. "#line 1 \"$path\"\n{\n"	1581	. "#line 1 \"$path\"\n{\n"
1156	. $source	1582	. $source
1157	. "\n};\n1";	1583	. "\n};\n1";
1158		1584
1159	$todo{$base} = \%ext;	1585	$todo{$base} = \%ext;
1160	}	1586	}
1161		1587
		1588	my $pass = 0;
1162	my %done;	1589	my %done;
1163	while (%todo) {	1590	while (%todo) {
1164	my $progress;	1591	my $progress;
1165		1592
		1593	++$pass;
		1594
		1595	ext:
1166	while (my ($k, $v) = each %todo) {	1596	while (my ($k, $v) = each %todo) {
1167	for (split /,\s*/, $v->{meta}{depends}) {	1597	for (split /,\s*/, $v->{meta}{depends}) {
1168	goto skip	1598	next ext
1169	unless exists $done{$_};	1599	unless exists $done{$_};
1170	}	1600	}
1171		1601
1172	warn "... loading '$k' into '$v->{pkg}'\n";	1602	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1173		1603
1174	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 $@) {
1175	my $msg = $@ ? "$v->{path}: $@\n"	1616	error "$v->{path}: $@\n";
1176	: "$v->{base}: extension inactive.\n";
1177		1617
		1618	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1178	if (exists $v->{meta}{mandatory}) {	1619	if exists $v->{meta}{mandatory};
1179	warn $msg;	1620
1180	warn "mandatory extension failed to load, exiting.\n";	1621	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1181	exit 1;	1622	delete $todo{$k};
1182	}	1623	} else {
1183		1624	$done{$k} = delete $todo{$k};
1184	warn $msg;	1625	push @EXTS, $v->{pkg};
		1626	$progress = 1;
		1627
		1628	info "$v->{base}: extension inactive.\n"
		1629	unless $active;
1185	}	1630	}
1186
1187	$done{$k} = delete $todo{$k};
1188	push @EXTS, $v->{pkg};
1189	$progress = 1;
1190	}	1631	}
1191		1632
1192	skip:	1633	unless ($progress) {
1193	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1634	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1194	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	}
1195	}	1643	}
1196	};	1644	};
1197	}	1645	}
1198		1646
1199	#############################################################################	1647	#############################################################################
1200		1648
1201	=back	1649	=back
1202		1650
1203	=head2 CORE EXTENSIONS	1651	=head2 CORE EXTENSIONS
1204		1652
1205	Functions and methods that extend core crossfire objects.	1653	Functions and methods that extend core deliantra objects.
1206		1654
1207	=cut	1655	=cut
1208		1656
1209	package cf::player;	1657	package cf::player;
1210		1658
1211	use Coro::AIO;	1659	use Coro::AIO;
1212		1660
1213	=head3 cf::player	1661	=head3 cf::player
1214		1662
1215	=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	}
1216		1678
1217	=item cf::player::find $login	1679	=item cf::player::find $login
1218		1680
1219	Returns the given player object, loading it if necessary (might block).	1681	Returns the given player object, loading it if necessary (might block).
1220		1682
…		…
1239		1701
1240	sub exists($) {	1702	sub exists($) {
1241	my ($login) = @_;	1703	my ($login) = @_;
1242		1704
1243	$cf::PLAYER{$login}	1705	$cf::PLAYER{$login}
1244	or cf::sync_job { !aio_stat path $login }	1706	or !aio_stat path $login
1245	}	1707	}
1246		1708
1247	sub find($) {	1709	sub find($) {
1248	return $cf::PLAYER{$_[0]} || do {	1710	return $cf::PLAYER{$_[0]} || do {
1249	my $login = $_[0];	1711	my $login = $_[0];
…		…
1256	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1718	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1257	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1719	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1258	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1720	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1259	aio_unlink +(playerdir $login) . "/$login.pl";	1721	aio_unlink +(playerdir $login) . "/$login.pl";
1260		1722
1261	my $pl = load_pl path $login	1723	my $f = new_from_file cf::object::thawer path $login
1262	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;
1263	$cf::PLAYER{$login} = $pl	1731	$cf::PLAYER{$login} = $pl
1264	}	1732	}
1265	}	1733	}
1266	}	1734	}
		1735
		1736	cf::player->attach (
		1737	on_load => sub {
		1738	my ($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	);
1267		1748
1268	sub save($) {	1749	sub save($) {
1269	my ($pl) = @_;	1750	my ($pl) = @_;
1270		1751
1271	return if $pl->{deny_save};	1752	return if $pl->{deny_save};
…		…
1276	return if $pl->{deny_save};	1757	return if $pl->{deny_save};
1277		1758
1278	aio_mkdir playerdir $pl, 0770;	1759	aio_mkdir playerdir $pl, 0770;
1279	$pl->{last_save} = $cf::RUNTIME;	1760	$pl->{last_save} = $cf::RUNTIME;
1280		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
1281	$pl->save_pl ($path);	1767	$pl->save_pl ($path);
1282	Coro::cede;	1768	cf::cede_to_tick;
1283	}	1769	}
1284		1770
1285	sub new($) {	1771	sub new($) {
1286	my ($login) = @_;	1772	my ($login) = @_;
1287		1773
…		…
1293	$cf::PLAYER{$login} = $self;	1779	$cf::PLAYER{$login} = $self;
1294		1780
1295	$self	1781	$self
1296	}	1782	}
1297		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
1298	=item $pl->quit_character	1794	=item $pl->quit_character
1299		1795
1300	Nukes the player without looking back. If logged in, the connection will	1796	Nukes the player without looking back. If logged in, the connection will
1301	be destroyed. May block for a long time.	1797	be destroyed. May block for a long time.
1302		1798
…		…
1306	my ($pl) = @_;	1802	my ($pl) = @_;
1307		1803
1308	my $name = $pl->ob->name;	1804	my $name = $pl->ob->name;
1309		1805
1310	$pl->{deny_save} = 1;	1806	$pl->{deny_save} = 1;
1311	$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
1312		1808
1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1809	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1314	$pl->deactivate;	1810	$pl->deactivate;
		1811
		1812	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1315	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1813	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1814	ext::highscore::check ($pl->ob);
		1815
1316	$pl->ns->destroy if $pl->ns;	1816	$pl->ns->destroy if $pl->ns;
1317		1817
1318	my $path = playerdir $pl;	1818	my $path = playerdir $pl;
1319	my $temp = "$path~$cf::RUNTIME~deleting~";	1819	my $temp = "$path~$cf::RUNTIME~deleting~";
1320	aio_rename $path, $temp;	1820	aio_rename $path, $temp;
…		…
1355	or return [];	1855	or return [];
1356		1856
1357	my @logins;	1857	my @logins;
1358		1858
1359	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") {
1360	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1865	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1361	aio_read $fh, 0, 512, my $buf, 0 or next;	1866	aio_read $fh, 0, 512, my $buf, 0 or next;
1362	$buf !~ /^password -------------$/m or next; # official not-valid tag	1867	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1868	}
1363		1869
1364	utf8::decode $login;	1870	utf8::decode $login;
1365	push @logins, $login;	1871	push @logins, $login;
1366	}	1872	}
1367		1873
1368	\@logins	1874	\@logins
1369	}	1875	}
1370		1876
1371	=item $player->maps	1877	=item $player->maps
		1878
		1879	=item cf::player::maps $login
1372		1880
1373	Returns an arrayref of map paths that are private for this	1881	Returns an arrayref of map paths that are private for this
1374	player. May block.	1882	player. May block.
1375		1883
1376	=cut	1884	=cut
…		…
1394	}	1902	}
1395		1903
1396	\@paths	1904	\@paths
1397	}	1905	}
1398		1906
1399	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1907	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1400		1908
1401	Expand crossfire pod fragments into protocol xml.	1909	Expand deliantra pod fragments into protocol xml.
1402		1910
1403	=cut
1404
1405	sub expand_cfpod {
1406	((my $self), (local $_)) = @_;
1407
1408	# escape & and <
1409	s/&/&amp;/g;
1410	s/(?<![BIUGH])</&lt;/g;
1411
1412	# this is buggy, it needs to properly take care of nested <'s
1413
1414	1 while
1415	# replace B<>, I<>, U<> etc.
1416	s/B<([^\>]*)>/<b>$1<\/b>/
1417	|| s/I<([^\>]*)>/<i>$1<\/i>/
1418	|| s/U<([^\>]*)>/<u>$1<\/u>/
1419	# replace G<male|female> tags
1420	|| s{G<([^>|]*)\|([^>]*)>}{
1421	$self->gender ? $2 : $1
1422	}ge
1423	# replace H<hint text>
1424	|| s{H<([^\>]*)>}
1425	{
1426	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1427	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1428	"")
1429	[$self->{hintmode}]
1430	}ge;
1431
1432	# create single paragraphs (very hackish)
1433	s/(?<=\S)\n(?=\w)/ /g;
1434
1435	# compress some whitespace
1436	s/\s+\n/\n/g; # ws line-ends
1437	s/\n\n+/\n/g; # double lines
1438	s/^\n+//; # beginning lines
1439	s/\n+$//; # ending lines
1440
1441	$_
1442	}
1443
1444	sub hintmode {
1445	$_[0]{hintmode} = $_[1] if @_ > 1;
1446	$_[0]{hintmode}
1447	}
1448
1449	=item $player->ext_reply ($msgid, %msg)	1911	=item $player->ext_reply ($msgid, @msg)
1450		1912
1451	Sends an ext reply to the player.	1913	Sends an ext reply to the player.
1452		1914
1453	=cut	1915	=cut
1454		1916
1455	sub ext_reply($$%) {	1917	sub ext_reply($$@) {
1456	my ($self, $id, %msg) = @_;	1918	my ($self, $id, @msg) = @_;
1457		1919
1458	$msg{msgid} = $id;	1920	$self->ns->ext_reply ($id, @msg)
1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1460	}	1921	}
1461		1922
1462	=item $player->ext_event ($type, %msg)	1923	=item $player->ext_msg ($type, @msg)
1463		1924
1464	Sends an ext event to the client.	1925	Sends an ext event to the client.
1465		1926
1466	=cut	1927	=cut
1467		1928
1468	sub ext_event($$%) {	1929	sub ext_msg($$@) {
1469	my ($self, $type, %msg) = @_;	1930	my ($self, $type, @msg) = @_;
1470		1931
1471	$self->ns->ext_event ($type, %msg);	1932	$self->ns->ext_msg ($type, @msg);
1472	}	1933	}
1473		1934
1474	=head3 cf::region	1935	=head3 cf::region
1475		1936
1476	=over 4	1937	=over 4
…		…
1485		1946
1486	=cut	1947	=cut
1487		1948
1488	sub find_by_path($) {	1949	sub find_by_path($) {
1489	my ($path) = @_;	1950	my ($path) = @_;
		1951
		1952	$path =~ s/^~[^\/]*//; # skip ~login
1490		1953
1491	my ($match, $specificity);	1954	my ($match, $specificity);
1492		1955
1493	for my $region (list) {	1956	for my $region (list) {
1494	if ($region->{match} && $path =~ $region->{match}) {	1957	if ($region->{match} && $path =~ $region->{match}) {
…		…
1520	our $MAX_RESET = 3600;	1983	our $MAX_RESET = 3600;
1521	our $DEFAULT_RESET = 3000;	1984	our $DEFAULT_RESET = 3000;
1522		1985
1523	sub generate_random_map {	1986	sub generate_random_map {
1524	my ($self, $rmp) = @_;	1987	my ($self, $rmp) = @_;
1525	# mit "rum" bekleckern, nicht	1988
		1989	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1990
1526	$self->_create_random_map (	1991	$self->_create_random_map ($rmp);
1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1530	$rmp->{exit_on_final_map},
1531	$rmp->{xsize}, $rmp->{ysize},
1532	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1533	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1534	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1535	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1536	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1537	(cf::region::find $rmp->{region}), $rmp->{custom}
1538	)
1539	}	1992	}
1540		1993
1541	=item cf::map->register ($regex, $prio)	1994	=item cf::map->register ($regex, $prio)
1542		1995
1543	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
…		…
1548		2001
1549	sub register {	2002	sub register {
1550	my (undef, $regex, $prio) = @_;	2003	my (undef, $regex, $prio) = @_;
1551	my $pkg = caller;	2004	my $pkg = caller;
1552		2005
1553	no strict;
1554	push @{"$pkg\::ISA"}, __PACKAGE__;	2006	push @{"$pkg\::ISA"}, __PACKAGE__;
1555		2007
1556	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2008	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1557	}	2009	}
1558		2010
1559	# also paths starting with '/'	2011	# also paths starting with '/'
1560	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2012	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1561		2013
1562	sub thawer_merge {	2014	sub thawer_merge {
1563	my ($self, $merge) = @_;	2015	my ($self, $merge) = @_;
1564		2016
1565	# we have to keep some variables in memory intact	2017	# we have to keep some variables in memory intact
…		…
1570	}	2022	}
1571		2023
1572	sub normalise {	2024	sub normalise {
1573	my ($path, $base) = @_;	2025	my ($path, $base) = @_;
1574		2026
1575	$path = "$path"; # make sure its a string	2027	$path = "$path"; # make sure it's a string
1576		2028
1577	$path =~ s/\.map$//;	2029	$path =~ s/\.map$//;
1578		2030
1579	# map plan:	2031	# map plan:
1580	#	2032	#
…		…
1595	$base =~ s{[^/]+/?$}{};	2047	$base =~ s{[^/]+/?$}{};
1596	$path = "$base/$path";	2048	$path = "$base/$path";
1597	}	2049	}
1598		2050
1599	for ($path) {	2051	for ($path) {
1600	redo if s{//}{/};
1601	redo if s{/\.?/}{/};	2052	redo if s{/\.?/}{/};
1602	redo if s{/[^/]+/\.\./}{/};	2053	redo if s{/[^/]+/\.\./}{/};
1603	}	2054	}
1604		2055
1605	$path	2056	$path
…		…
1619	$self->init; # pass $1 etc.	2070	$self->init; # pass $1 etc.
1620	return $self;	2071	return $self;
1621	}	2072	}
1622	}	2073	}
1623		2074
1624	Carp::cluck "unable to resolve path '$path' (base '$base').";	2075	Carp::cluck "unable to resolve path '$path' (base '$base')";
1625	()	2076	()
1626	}	2077	}
1627		2078
		2079	# may re-bless or do other evil things
1628	sub init {	2080	sub init {
1629	my ($self) = @_;	2081	my ($self) = @_;
1630		2082
1631	$self	2083	$self
1632	}	2084	}
…		…
1651		2103
1652	# the temporary/swap location	2104	# the temporary/swap location
1653	sub save_path {	2105	sub save_path {
1654	my ($self) = @_;	2106	my ($self) = @_;
1655		2107
1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1657	"$TMPDIR/$path.map"	2109	"$TMPDIR/$path.map"
1658	}	2110	}
1659		2111
1660	# the unique path, undef == no special unique path	2112	# the unique path, undef == no special unique path
1661	sub uniq_path {	2113	sub uniq_path {
1662	my ($self) = @_;	2114	my ($self) = @_;
1663		2115
1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2116	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1665	"$UNIQUEDIR/$path"	2117	"$UNIQUEDIR/$path"
1666	}
1667
1668	# and all this just because we cannot iterate over
1669	# all maps in C++...
1670	sub change_all_map_light {
1671	my ($change) = @_;
1672
1673	$_->change_map_light ($change)
1674	for grep $_->outdoor, values %cf::MAP;
1675	}	2118	}
1676		2119
1677	sub decay_objects {	2120	sub decay_objects {
1678	my ($self) = @_;	2121	my ($self) = @_;
1679		2122
…		…
1692		2135
1693	sub load_header_from($) {	2136	sub load_header_from($) {
1694	my ($self, $path) = @_;	2137	my ($self, $path) = @_;
1695		2138
1696	utf8::encode $path;	2139	utf8::encode $path;
1697	#aio_open $path, O_RDONLY, 0	2140	my $f = new_from_file cf::object::thawer $path
1698	# or return;
1699
1700	$self->_load_header ($path)
1701	or return;	2141	or return;
1702		2142
		2143	$self->_load_header ($f)
		2144	or return;
		2145
		2146	local $MAP_LOADING{$self->{path}} = $self;
		2147	$f->resolve_delayed_derefs;
		2148
1703	$self->{load_path} = $path;	2149	$self->{load_path} = $path;
1704		2150
1705	1	2151	1
1706	}	2152	}
1707		2153
		2154	# used to laod the header of an original map
1708	sub load_header_orig {	2155	sub load_header_orig {
1709	my ($self) = @_;	2156	my ($self) = @_;
1710		2157
1711	$self->load_header_from ($self->load_path)	2158	$self->load_header_from ($self->load_path)
1712	}	2159	}
1713		2160
		2161	# used to laod the header of an instantiated map
1714	sub load_header_temp {	2162	sub load_header_temp {
1715	my ($self) = @_;	2163	my ($self) = @_;
1716		2164
1717	$self->load_header_from ($self->save_path)	2165	$self->load_header_from ($self->save_path)
1718	}	2166	}
1719		2167
		2168	# called after loading the header from an instantiated map
1720	sub prepare_temp {	2169	sub prepare_temp {
1721	my ($self) = @_;	2170	my ($self) = @_;
1722		2171
1723	$self->last_access ((delete $self->{last_access})	2172	$self->last_access ((delete $self->{last_access})
1724	|| $cf::RUNTIME); #d#	2173	|| $cf::RUNTIME); #d#
1725	# safety	2174	# safety
1726	$self->{instantiate_time} = $cf::RUNTIME	2175	$self->{instantiate_time} = $cf::RUNTIME
1727	if $self->{instantiate_time} > $cf::RUNTIME;	2176	if $self->{instantiate_time} > $cf::RUNTIME;
1728	}	2177	}
1729		2178
		2179	# called after loading the header from an original map
1730	sub prepare_orig {	2180	sub prepare_orig {
1731	my ($self) = @_;	2181	my ($self) = @_;
1732		2182
1733	$self->{load_original} = 1;	2183	$self->{load_original} = 1;
1734	$self->{instantiate_time} = $cf::RUNTIME;	2184	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1758		2208
1759	sub find;	2209	sub find;
1760	sub find {	2210	sub find {
1761	my ($path, $origin) = @_;	2211	my ($path, $origin) = @_;
1762		2212
		2213	cf::cede_to_tick;
		2214
1763	$path = normalise $path, $origin && $origin->path;	2215	$path = normalise $path, $origin;
1764		2216
		2217	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1765	cf::lock_wait "map_find:$path";	2218	my $guard2 = cf::lock_acquire "map_find:$path";
1766		2219
1767	$cf::MAP{$path} || do {	2220	$cf::MAP{$path} || do {
1768	my $guard = cf::lock_acquire "map_find:$path";
1769	my $map = new_from_path cf::map $path	2221	my $map = new_from_path cf::map $path
1770	or return;	2222	or return;
1771		2223
1772	$map->{last_save} = $cf::RUNTIME;	2224	$map->{last_save} = $cf::RUNTIME;
1773		2225
…		…
1775	or return;	2227	or return;
1776		2228
1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2229	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1778	# doing this can freeze the server in a sync job, obviously	2230	# doing this can freeze the server in a sync job, obviously
1779	#$cf::WAIT_FOR_TICK->wait;	2231	#$cf::WAIT_FOR_TICK->wait;
		2232	undef $guard2;
		2233	undef $guard1;
1780	$map->reset;	2234	$map->reset;
1781	undef $guard;
1782	return find $path;	2235	return find $path;
1783	}	2236	}
1784		2237
1785	$cf::MAP{$path} = $map	2238	$cf::MAP{$path} = $map
1786	}	2239	}
1787	}	2240	}
1788		2241
1789	sub pre_load { }	2242	sub pre_load { }
1790	sub post_load { }	2243	#sub post_load { } # XS
1791		2244
1792	sub load {	2245	sub load {
1793	my ($self) = @_;	2246	my ($self) = @_;
1794		2247
1795	local $self->{deny_reset} = 1; # loading can take a long time	2248	local $self->{deny_reset} = 1; # loading can take a long time
1796		2249
1797	my $path = $self->{path};	2250	my $path = $self->{path};
1798		2251
1799	{	2252	{
1800	my $guard = cf::lock_acquire "map_load:$path";	2253	my $guard = cf::lock_acquire "map_data:$path";
1801		2254
		2255	return unless $self->valid;
1802	return if $self->in_memory != cf::MAP_SWAPPED;	2256	return unless $self->state == cf::MAP_SWAPPED;
1803
1804	$self->in_memory (cf::MAP_LOADING);
1805		2257
1806	$self->alloc;	2258	$self->alloc;
1807		2259
1808	$self->pre_load;	2260	$self->pre_load;
1809	Coro::cede;	2261	cf::cede_to_tick;
1810		2262
1811	$self->_load_objects ($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)
1812	or return;	2267	or return;
1813		2268
1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2269	$self->post_load_original
1815	if delete $self->{load_original};	2270	if delete $self->{load_original};
1816		2271
1817	if (my $uniq = $self->uniq_path) {	2272	if (my $uniq = $self->uniq_path) {
1818	utf8::encode $uniq;	2273	utf8::encode $uniq;
1819	if (aio_open $uniq, O_RDONLY, 0) {	2274	unless (aio_stat $uniq) {
		2275	if (my $f = new_from_file cf::object::thawer $uniq) {
1820	$self->clear_unique_items;	2276	$self->clear_unique_items;
1821	$self->_load_objects ($uniq, 0);	2277	$self->_load_objects ($f);
		2278	$f->resolve_delayed_derefs;
		2279	}
		2280	}
1822	}	2281	}
1823	}
1824		2282
1825	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;
1826	# now do the right thing for maps	2292	# now do the right thing for maps
1827	$self->link_multipart_objects;	2293	$self->link_multipart_objects;
1828	$self->difficulty ($self->estimate_difficulty)	2294	$self->difficulty ($self->estimate_difficulty)
1829	unless $self->difficulty;	2295	unless $self->difficulty;
1830	Coro::cede;	2296	cf::cede_to_tick;
1831		2297
1832	unless ($self->{deny_activate}) {	2298	unless ($self->{deny_activate}) {
1833	$self->decay_objects;	2299	$self->decay_objects;
1834	$self->fix_auto_apply;	2300	$self->fix_auto_apply;
1835	$self->update_buttons;	2301	$self->update_buttons;
1836	Coro::cede;	2302	cf::cede_to_tick;
1837	$self->set_darkness_map;	2303	#$self->activate; # no longer activate maps automatically
1838	Coro::cede;
1839	$self->activate;
1840	}	2304	}
1841		2305
1842	$self->in_memory (cf::MAP_IN_MEMORY);	2306	$self->{last_save} = $cf::RUNTIME;
		2307	$self->last_access ($cf::RUNTIME);
1843	}	2308	}
1844		2309
1845	$self->post_load;	2310	$self->post_load;
1846	}
1847		2311
		2312	1
		2313	}
		2314
		2315	# customize the map for a given player, i.e.
		2316	# return the _real_ map. used by e.g. per-player
		2317	# maps to change the path to ~playername/mappath
1848	sub customise_for {	2318	sub customise_for {
1849	my ($self, $ob) = @_;	2319	my ($self, $ob) = @_;
1850		2320
1851	return find "~" . $ob->name . "/" . $self->{path}	2321	return find "~" . $ob->name . "/" . $self->{path}
1852	if $self->per_player;	2322	if $self->per_player;
…		…
1855	# if $self->per_party;	2325	# if $self->per_party;
1856		2326
1857	$self	2327	$self
1858	}	2328	}
1859		2329
1860	# find and load all maps in the 3x3 area around a map
1861	sub load_diag {
1862	my ($map) = @_;
1863
1864	my @diag; # diagonal neighbours
1865
1866	for (0 .. 3) {
1867	my $neigh = $map->tile_path ($_)
1868	or next;
1869	$neigh = find $neigh, $map
1870	or next;
1871	$neigh->load;
1872
1873	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1874	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1875	}
1876
1877	for (@diag) {
1878	my $neigh = find @$_
1879	or next;
1880	$neigh->load;
1881	}
1882	}
1883
1884	sub find_sync {	2330	sub find_sync {
1885	my ($path, $origin) = @_;	2331	my ($path, $origin) = @_;
1886		2332
1887	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, $origin
1888	}	2338	}
1889		2339
1890	sub do_load_sync {	2340	sub do_load_sync {
1891	my ($map) = @_;	2341	my ($map) = @_;
1892		2342
1893	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;
1894	}	2348	}
1895		2349
1896	our %MAP_PREFETCH;	2350	our %MAP_PREFETCH;
1897	our $MAP_PREFETCHER = undef;	2351	our $MAP_PREFETCHER = undef;
1898		2352
1899	sub find_async {	2353	sub find_async {
1900	my ($path, $origin) = @_;	2354	my ($path, $origin, $load) = @_;
1901		2355
1902	$path = normalise $path, $origin && $origin->{path};	2356	$path = normalise $path, $origin;
1903		2357
1904	if (my $map = $cf::MAP{$path}) {	2358	if (my $map = $cf::MAP{$path}) {
1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2359	return $map if !$load || $map->linkable;
1906	}	2360	}
1907		2361
1908	undef $MAP_PREFETCH{$path};	2362	$MAP_PREFETCH{$path} |= $load;
		2363
1909	$MAP_PREFETCHER ||= cf::async {	2364	$MAP_PREFETCHER ||= cf::async {
		2365	$Coro::current->{desc} = "map prefetcher";
		2366
1910	while (%MAP_PREFETCH) {	2367	while (%MAP_PREFETCH) {
1911	for my $path (keys %MAP_PREFETCH) {	2368	while (my ($k, $v) = each %MAP_PREFETCH) {
1912	if (my $map = find $path) {	2369	if (my $map = find $k) {
1913	$map->load;	2370	$map->load if $v;
1914	}	2371	}
1915		2372
1916	delete $MAP_PREFETCH{$path};	2373	delete $MAP_PREFETCH{$k};
1917	}	2374	}
1918	}	2375	}
1919	undef $MAP_PREFETCHER;	2376	undef $MAP_PREFETCHER;
1920	};	2377	};
1921	$MAP_PREFETCHER->prio (6);	2378	$MAP_PREFETCHER->prio (6);
1922		2379
1923	()	2380	()
1924	}	2381	}
1925		2382
		2383	# common code, used by both ->save and ->swapout
1926	sub save {	2384	sub _save {
1927	my ($self) = @_;	2385	my ($self) = @_;
1928
1929	my $lock = cf::lock_acquire "map_data:" . $self->path;
1930		2386
1931	$self->{last_save} = $cf::RUNTIME;	2387	$self->{last_save} = $cf::RUNTIME;
1932		2388
1933	return unless $self->dirty;	2389	return unless $self->dirty;
1934		2390
…		…
1940	return if $self->{deny_save};	2396	return if $self->{deny_save};
1941		2397
1942	local $self->{last_access} = $self->last_access;#d#	2398	local $self->{last_access} = $self->last_access;#d#
1943		2399
1944	cf::async {	2400	cf::async {
		2401	$Coro::current->{desc} = "map player save";
1945	$_->contr->save for $self->players;	2402	$_->contr->save for $self->players;
1946	};	2403	};
		2404
		2405	cf::get_slot 0.02;
1947		2406
1948	if ($uniq) {	2407	if ($uniq) {
1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2408	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1950	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2409	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1951	} else {	2410	} else {
1952	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2411	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1953	}	2412	}
1954	}	2413	}
1955		2414
		2415	sub save {
		2416	my ($self) = @_;
		2417
		2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2419
		2420	$self->_save;
		2421	}
		2422
1956	sub swap_out {	2423	sub swap_out {
1957	my ($self) = @_;	2424	my ($self) = @_;
1958		2425
1959	# save first because save cedes
1960	$self->save;
1961
1962	my $lock = cf::lock_acquire "map_data:" . $self->path;	2426	my $lock = cf::lock_acquire "map_data:$self->{path}";
1963		2427
		2428	return if !$self->linkable;
		2429	return if $self->{deny_save};
1964	return if $self->players;	2430	return if $self->players;
1965	return if $self->in_memory != cf::MAP_IN_MEMORY;
1966	return if $self->{deny_save};
1967		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
1968	$self->clear;	2441	$self->clear;
1969	$self->in_memory (cf::MAP_SWAPPED);
1970	}	2442	}
1971		2443
1972	sub reset_at {	2444	sub reset_at {
1973	my ($self) = @_;	2445	my ($self) = @_;
1974		2446
…		…
1992		2464
1993	my $lock = cf::lock_acquire "map_data:$self->{path}";	2465	my $lock = cf::lock_acquire "map_data:$self->{path}";
1994		2466
1995	return if $self->players;	2467	return if $self->players;
1996		2468
1997	warn "resetting map ", $self->path;	2469	cf::trace "resetting map ", $self->path, "\n";
1998		2470
1999	$self->in_memory (cf::MAP_SWAPPED);	2471	$self->state (cf::MAP_SWAPPED);
2000		2472
2001	# need to save uniques path	2473	# need to save uniques path
2002	unless ($self->{deny_save}) {	2474	unless ($self->{deny_save}) {
2003	my $uniq = $self->uniq_path; utf8::encode $uniq;	2475	my $uniq = $self->uniq_path; utf8::encode $uniq;
2004		2476
…		…
2006	if $uniq;	2478	if $uniq;
2007	}	2479	}
2008		2480
2009	delete $cf::MAP{$self->path};	2481	delete $cf::MAP{$self->path};
2010		2482
		2483	$self->deactivate;
		2484	$_->clear_links_to ($self) for values %cf::MAP;
2011	$self->clear;	2485	$self->clear;
2012
2013	$_->clear_links_to ($self) for values %cf::MAP;
2014		2486
2015	$self->unlink_save;	2487	$self->unlink_save;
2016	$self->destroy;	2488	$self->destroy;
2017	}	2489	}
2018		2490
2019	my $nuke_counter = "aaaa";	2491	my $nuke_counter = "aaaa";
2020		2492
2021	sub nuke {	2493	sub nuke {
2022	my ($self) = @_;	2494	my ($self) = @_;
2023		2495
		2496	{
		2497	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2498
2024	delete $cf::MAP{$self->path};	2499	delete $cf::MAP{$self->path};
2025		2500
2026	$self->unlink_save;	2501	$self->unlink_save;
2027		2502
2028	bless $self, "cf::map";	2503	bless $self, "cf::map::wrap";
2029	delete $self->{deny_reset};	2504	delete $self->{deny_reset};
2030	$self->{deny_save} = 1;	2505	$self->{deny_save} = 1;
2031	$self->reset_timeout (1);	2506	$self->reset_timeout (1);
2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2507	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2033		2508
2034	$cf::MAP{$self->path} = $self;	2509	$cf::MAP{$self->path} = $self;
		2510	}
2035		2511
2036	$self->reset; # polite request, might not happen	2512	$self->reset; # polite request, might not happen
2037	}	2513	}
2038		2514
2039	=item $maps = cf::map::tmp_maps	2515	=item $maps = cf::map::tmp_maps
…		…
2081		2557
2082	sub unique_maps() {	2558	sub unique_maps() {
2083	[	2559	[
2084	map {	2560	map {
2085	utf8::decode $_;	2561	utf8::decode $_;
2086	/\.map$/	2562	s/\.map$//; # TODO future compatibility hack
		2563	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2564	? ()
2087	? normalise $_	2565	: normalise $_
2088	: ()
2089	} @{ aio_readdir $UNIQUEDIR or [] }	2566	} @{ aio_readdir $UNIQUEDIR or [] }
2090	]	2567	]
2091	}	2568	}
2092		2569
2093	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	}
2094		2601
2095	=back	2602	=back
2096		2603
2097	=head3 cf::object	2604	=head3 cf::object
2098		2605
…		…
2102		2609
2103	=over 4	2610	=over 4
2104		2611
2105	=item $ob->inv_recursive	2612	=item $ob->inv_recursive
2106		2613
2107	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.
2108		2616
2109	=cut	2617	=cut
2110		2618
2111	sub inv_recursive_;	2619	sub inv_recursive_;
2112	sub inv_recursive_ {	2620	sub inv_recursive_ {
…		…
2115		2623
2116	sub inv_recursive {	2624	sub inv_recursive {
2117	inv_recursive_ inv $_[0]	2625	inv_recursive_ inv $_[0]
2118	}	2626	}
2119		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
2120	package cf;	2656	package cf;
2121		2657
2122	=back	2658	=back
2123		2659
2124	=head3 cf::object::player	2660	=head3 cf::object::player
…		…
2130	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>
2131	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
2132	dialogue with the given NPC character.	2668	dialogue with the given NPC character.
2133		2669
2134	=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	};
2135		2685
2136	# rough implementation of a future "reply" method that works	2686	# rough implementation of a future "reply" method that works
2137	# with dialog boxes.	2687	# with dialog boxes.
2138	#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
2139	sub cf::object::player::reply($$$;$) {	2689	sub cf::object::player::reply($$$;$) {
…		…
2146		2696
2147	} else {	2697	} else {
2148	my $pl = $self->contr;	2698	my $pl = $self->contr;
2149		2699
2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2700	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2151	my $diag = $pl->{npc_dialog};	2701	my $dialog = $pl->{npc_dialog};
2152	$diag->{pl}->ext_reply (	2702	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2153	$diag->{id},
2154	msgtype => "reply",
2155	msg => $diag->{pl}->expand_cfpod ($msg),
2156	add_topics => []
2157	);
2158		2703
2159	} else {	2704	} else {
2160	$msg = $npc->name . " says: $msg" if $npc;	2705	$msg = $npc->name . " says: $msg" if $npc;
2161	$self->message ($msg, $flags);	2706	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2162	}	2707	}
2163	}	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 (@_);
2164	}	2719	}
2165		2720
2166	=item $player_object->may ("access")	2721	=item $player_object->may ("access")
2167		2722
2168	Returns wether the given player is authorized to access resource "access"	2723	Returns wether the given player is authorized to access resource "access"
…		…
2181		2736
2182	=item $player_object->enter_link	2737	=item $player_object->enter_link
2183		2738
2184	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}>).
2185		2740
2186	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.
2187	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.
2188		2745
2189	Will never block.	2746	Will never block.
2190		2747
2191	=item $player_object->leave_link ($map, $x, $y)	2748	=item $player_object->leave_link ($map, $x, $y)
2192		2749
…		…
2212	sub cf::object::player::enter_link {	2769	sub cf::object::player::enter_link {
2213	my ($self) = @_;	2770	my ($self) = @_;
2214		2771
2215	$self->deactivate_recursive;	2772	$self->deactivate_recursive;
2216		2773
		2774	++$self->{_link_recursion};
		2775
2217	return if UNIVERSAL::isa $self->map, "ext::map_link";	2776	return if UNIVERSAL::isa $self->map, "ext::map_link";
2218		2777
2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2220	if $self->map && $self->map->{path} ne "{link}";	2779	if $self->map && $self->map->{path} ne "{link}";
2221		2780
2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2781	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2223	}	2782	}
2224		2783
2225	sub cf::object::player::leave_link {	2784	sub cf::object::player::leave_link {
2226	my ($self, $map, $x, $y) = @_;	2785	my ($self, $map, $x, $y) = @_;
2227		2786
…		…
2244	($x, $y) = (-1, -1)	2803	($x, $y) = (-1, -1)
2245	unless (defined $x) && (defined $y);	2804	unless (defined $x) && (defined $y);
2246		2805
2247	# use -1 or undef as default coordinates, not 0, 0	2806	# use -1 or undef as default coordinates, not 0, 0
2248	($x, $y) = ($map->enter_x, $map->enter_y)	2807	($x, $y) = ($map->enter_x, $map->enter_y)
2249	if $x <=0 && $y <= 0;	2808	if $x <= 0 && $y <= 0;
2250		2809
2251	$map->load;	2810	$map->load;
2252	$map->load_diag;
2253		2811
2254	return unless $self->contr->active;	2812	return unless $self->contr->active;
2255	$self->activate_recursive;
2256		2813
2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2814	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2258	$self->enter_map ($map, $x, $y);	2815	if ($self->enter_map ($map, $x, $y)) {
2259	}	2816	# entering was successful
		2817	delete $self->{_link_recursion};
		2818	# only activate afterwards, to support waiting in hooks
		2819	$self->activate_recursive;
		2820	}
2260		2821
		2822	}
		2823
2261	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2824	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2262		2825
2263	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
2264	her, loading and preparing them map, calling the provided $check callback	2827	her, loading and preparing them map, calling the provided $check callback
2265	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
2266	the new (success) or old (failed) map position. In either case, $done will	2829	the new (success) or old (failed) map position. In either case, $done will
2267	be called at the end of this process.	2830	be called at the end of this process.
2268		2831
		2832	Note that $check will be called with a potentially non-loaded map, so if
		2833	it needs a loaded map it has to call C<< ->load >>.
		2834
2269	=cut	2835	=cut
2270		2836
2271	our $GOTOGEN;	2837	our $GOTOGEN;
2272		2838
2273	sub cf::object::player::goto {	2839	sub cf::object::player::goto {
2274	my ($self, $path, $x, $y, $check, $done) = @_;	2840	my ($self, $path, $x, $y, $check, $done) = @_;
2275		2841
		2842	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2843	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2844	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2845	($path, $x, $y) = @$EMERGENCY_POSITION;
		2846	}
		2847
2276	# 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
2277	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2849	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2278		2850
2279	$self->enter_link;	2851	$self->enter_link;
2280		2852
2281	(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
2282	my $map = eval {	2875	my $map = eval {
2283	my $map = cf::map::find $path;	2876	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2284		2877
2285	if ($map) {	2878	if ($map) {
2286	$map = $map->customise_for ($self);	2879	$map = $map->customise_for ($self);
2287	$map = $check->($map) if $check && $map;	2880	$map = $check->($map, $x, $y, $self) if $check && $map;
2288	} else {	2881	} else {
2289	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2882	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2290	}	2883	}
2291		2884
2292	$map	2885	$map
2293	};	2886	};
2294		2887
…		…
2300	if ($gen == $self->{_goto_generation}) {	2893	if ($gen == $self->{_goto_generation}) {
2301	delete $self->{_goto_generation};	2894	delete $self->{_goto_generation};
2302	$self->leave_link ($map, $x, $y);	2895	$self->leave_link ($map, $x, $y);
2303	}	2896	}
2304		2897
2305	$done->() if $done;	2898	$done->($self) if $done;
2306	})->prio (1);	2899	})->prio (1);
2307	}	2900	}
2308		2901
2309	=item $player_object->enter_exit ($exit_object)	2902	=item $player_object->enter_exit ($exit_object)
2310		2903
…		…
2330	}	2923	}
2331		2924
2332	sub prepare_random_map {	2925	sub prepare_random_map {
2333	my ($exit) = @_;	2926	my ($exit) = @_;
2334		2927
2335	my $guard = cf::lock_acquire "exit_prepare:$exit";
2336
2337	# all this does is basically replace the /! path by	2928	# all this does is basically replace the /! path by
2338	# a new random map path (?random/...) with a seed	2929	# a new random map path (?random/...) with a seed
2339	# that depends on the exit object	2930	# that depends on the exit object
2340		2931
2341	my $rmp = parse_random_map_params $exit->msg;	2932	my $rmp = parse_random_map_params $exit->msg;
…		…
2343	if ($exit->map) {	2934	if ($exit->map) {
2344	$rmp->{region} = $exit->region->name;	2935	$rmp->{region} = $exit->region->name;
2345	$rmp->{origin_map} = $exit->map->path;	2936	$rmp->{origin_map} = $exit->map->path;
2346	$rmp->{origin_x} = $exit->x;	2937	$rmp->{origin_x} = $exit->x;
2347	$rmp->{origin_y} = $exit->y;	2938	$rmp->{origin_y} = $exit->y;
		2939
		2940	$exit->map->touch;
2348	}	2941	}
2349		2942
2350	$rmp->{random_seed} ||= $exit->random_seed;	2943	$rmp->{random_seed} ||= $exit->random_seed;
2351		2944
2352	my $data = cf::to_json $rmp;	2945	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2353	my $md5 = Digest::MD5::md5_hex $data;	2946	my $md5 = Digest::MD5::md5_hex $data;
2354	my $meta = "$RANDOMDIR/$md5.meta";	2947	my $meta = "$RANDOMDIR/$md5.meta";
2355		2948
2356	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2949	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2357	aio_write $fh, 0, (length $data), $data, 0;	2950	aio_write $fh, 0, (length $data), $data, 0;
2358	undef $fh;	2951	undef $fh;
2359	aio_rename "$meta~", $meta;	2952	aio_rename "$meta~", $meta;
2360		2953
		2954	my $slaying = "?random/$md5";
		2955
		2956	if ($exit->valid) {
2361	$exit->slaying ("?random/$md5");	2957	$exit->slaying ("?random/$md5");
2362	$exit->msg (undef);	2958	$exit->msg (undef);
		2959	}
2363	}	2960	}
2364	}	2961	}
2365		2962
2366	sub cf::object::player::enter_exit {	2963	sub cf::object::player::enter_exit {
2367	my ($self, $exit) = @_;	2964	my ($self, $exit) = @_;
2368		2965
2369	return unless $self->type == cf::PLAYER;	2966	return unless $self->type == cf::PLAYER;
2370		2967
2371	if ($exit->slaying eq "/!") {
2372	#TODO: this should de-fi-ni-te-ly not be a sync-job
2373	# the problem is that $exit might not survive long enough
2374	# so it needs to be done right now, right here
2375	cf::sync_job { prepare_random_map $exit };
2376	}
2377
2378	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2379	my $hp = $exit->stats->hp;
2380	my $sp = $exit->stats->sp;
2381
2382	$self->enter_link;	2968	$self->enter_link;
2383		2969
2384	# if exit is damned, update players death & WoR home-position
2385	$self->contr->savebed ($slaying, $hp, $sp)
2386	if $exit->flag (FLAG_DAMNED);
2387
2388	(async {	2970	(async {
2389	$self->deactivate_recursive; # just to be sure	2971	$Coro::current->{desc} = "enter_exit";
		2972
2390	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
2391	$self->goto ($slaying, $hp, $sp);	3003	$self->goto ($map, $x, $y);
2392		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
2393	1;	3009	1
2394	}) {	3010	}) {
2395	$self->message ("Something went wrong deep within the crossfire server. "	3011	$self->message ("Something went wrong deep within the deliantra server. "
2396	. "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. "
2397	. "Please report this to the dungeon master!",	3013	. "Please report this to the dungeon master!",
2398	cf::NDI_UNIQUE | cf::NDI_RED);	3014	cf::NDI_UNIQUE | cf::NDI_RED);
2399		3015
2400	warn "ERROR in enter_exit: $@";	3016	error "ERROR in enter_exit: $@";
2401	$self->leave_link;	3017	$self->leave_link;
2402	}	3018	}
2403	})->prio (1);	3019	})->prio (1);
2404	}	3020	}
2405		3021
…		…
2419		3035
2420	utf8::encode $text;	3036	utf8::encode $text;
2421	$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);
2422	}	3038	}
2423		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
2424	=item $client->send_msg ($color, $type, $msg, [extra...])	3065	=item $client->send_msg ($channel, $msg, $color, [extra...])
2425		3066
2426	Send a drawinfo or msg packet to the client, formatting the msg for the	3067	Send a drawinfo or msg packet to the client, formatting the msg for the
2427	client if neccessary. C<$type> should be a string identifying the type of	3068	client if neccessary. C<$type> should be a string identifying the type of
2428	the message, with C<log> being the default. If C<$color> is negative, suppress	3069	the message, with C<log> being the default. If C<$color> is negative, suppress
2429	the message unless the client supports the msg packet.	3070	the message unless the client supports the msg packet.
2430		3071
2431	=cut	3072	=cut
2432		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" => $CHAT_CHANNEL,
		3186	);
		3187
2433	sub cf::client::send_msg {	3188	sub cf::client::send_msg {
2434	my ($self, $color, $type, $msg, @extra) = @_;	3189	my ($self, $channel, $msg, $color, @extra) = @_;
2435		3190
2436	$msg = $self->pl->expand_cfpod ($msg);	3191	$msg = $self->pl->expand_cfpod ($msg)
		3192	unless $color & cf::NDI_VERBATIM;
		3193
		3194	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3195
		3196	# check predefined channels, for the benefit of C
		3197	if ($CHANNEL{$channel}) {
		3198	$channel = $CHANNEL{$channel};
		3199
		3200	$self->ext_msg (channel_info => $channel);
		3201	$channel = $channel->{id};
		3202
		3203	} elsif (ref $channel) {
		3204	# send meta info to client, if not yet sent
		3205	unless (exists $self->{channel}{$channel->{id}}) {
		3206	$self->{channel}{$channel->{id}} = $channel;
		3207	$self->ext_msg (channel_info => $channel);
		3208	}
		3209
		3210	$channel = $channel->{id};
		3211	}
2437		3212
2438	return unless @extra || length $msg;	3213	return unless @extra || length $msg;
2439		3214
2440	if ($self->can_msg) {	3215	# default colour, mask it out
2441	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3216	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2442	} else {	3217	if $color & cf::NDI_DEF;
2443	# replace some tags by gcfclient-compatible ones
2444	for ($msg) {
2445	1 while
2446	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2447	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2448	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2449	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2450	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2451	}
2452		3218
2453	if ($color >= 0) {	3219	my $pkt = "msg "
2454	if (0 && $msg =~ /\[/) {	3220	. $self->{json_coder}->encode (
2455	$self->send_packet ("drawextinfo $color 4 0 $msg")	3221	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2456	} else {	3222	);
2457	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2458	$self->send_packet ("drawinfo $color $msg")
2459	}
2460	}
2461	}
2462	}
2463		3223
		3224	$self->send_big_packet ($pkt);
		3225	}
		3226
2464	=item $client->ext_event ($type, %msg)	3227	=item $client->ext_msg ($type, @msg)
2465		3228
2466	Sends an ext event to the client.	3229	Sends an ext event to the client.
2467		3230
2468	=cut	3231	=cut
2469		3232
2470	sub cf::client::ext_event($$%) {	3233	sub cf::client::ext_msg($$@) {
2471	my ($self, $type, %msg) = @_;	3234	my ($self, $type, @msg) = @_;
2472		3235
		3236	if ($self->extcmd == 2) {
		3237	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3238	} elsif ($self->extcmd == 1) { # TODO: remove
		3239	push @msg, msgtype => "event_$type";
		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
2473	return unless $self->extcmd;	3253	return unless $self->extcmd == 2;
2474		3254
2475	$msg{msgtype} = "event_$type";
2476	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3255	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2477	}	3256	}
2478		3257
2479	=item $success = $client->query ($flags, "text", \&cb)	3258	=item $success = $client->query ($flags, "text", \&cb)
2480		3259
2481	Queues a query to the client, calling the given callback with	3260	Queues a query to the client, calling the given callback with
…		…
2536	my ($ns, $buf) = @_;	3315	my ($ns, $buf) = @_;
2537		3316
2538	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3317	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2539		3318
2540	if (ref $msg) {	3319	if (ref $msg) {
		3320	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3321
		3322	my @reply;
		3323
2541	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3324	if (my $cb = $EXTICMD{$type}) {
2542	if (my %reply = $cb->($ns, $msg)) {	3325	@reply = $cb->($ns, @payload);
2543	$reply{msgid} = $msg->{msgid};
2544	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2545	}
2546	}	3326	}
		3327
		3328	$ns->ext_reply ($reply, @reply)
		3329	if $reply;
		3330
2547	} else {	3331	} else {
2548	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";
2549	}	3333	}
2550		3334
2551	cf::override;	3335	cf::override;
2552	},	3336	},
2553	);	3337	);
…		…
2573		3357
2574	$coro	3358	$coro
2575	}	3359	}
2576		3360
2577	cf::client->attach (	3361	cf::client->attach (
2578	on_destroy => sub {	3362	on_client_destroy => sub {
2579	my ($ns) = @_;	3363	my ($ns) = @_;
2580		3364
2581	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3365	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2582	},	3366	},
2583	);	3367	);
…		…
2598	our $safe = new Safe "safe";	3382	our $safe = new Safe "safe";
2599	our $safe_hole = new Safe::Hole;	3383	our $safe_hole = new Safe::Hole;
2600		3384
2601	$SIG{FPE} = 'IGNORE';	3385	$SIG{FPE} = 'IGNORE';
2602		3386
2603	$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	));
2604		3392
2605	# here we export the classes and methods available to script code	3393	# here we export the classes and methods available to script code
2606		3394
2607	=pod	3395	=pod
2608		3396
2609	The following functions and methods are available within a safe environment:	3397	The following functions and methods are available within a safe environment:
2610		3398
2611	cf::object	3399	cf::object
2612	contr pay_amount pay_player map x y force_find force_add	3400	contr pay_amount pay_player map x y force_find force_add destroy
2613	insert remove	3401	insert remove name archname title slaying race decrease split
		3402	value
2614		3403
2615	cf::object::player	3404	cf::object::player
2616	player	3405	player
2617		3406
2618	cf::player	3407	cf::player
…		…
2623		3412
2624	=cut	3413	=cut
2625		3414
2626	for (	3415	for (
2627	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3416	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2628	insert remove)],	3417	insert remove inv nrof name archname title slaying race
		3418	decrease split destroy change_exp value msg lore send_msg)],
2629	["cf::object::player" => qw(player)],	3419	["cf::object::player" => qw(player)],
2630	["cf::player" => qw(peaceful)],	3420	["cf::player" => qw(peaceful send_msg)],
2631	["cf::map" => qw(trigger)],	3421	["cf::map" => qw(trigger)],
2632	) {	3422	) {
2633	no strict 'refs';
2634	my ($pkg, @funs) = @$_;	3423	my ($pkg, @funs) = @$_;
2635	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3424	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2636	for @funs;	3425	for @funs;
2637	}	3426	}
2638		3427
…		…
2653		3442
2654	my $qcode = $code;	3443	my $qcode = $code;
2655	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3444	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2656	$qcode =~ s/\n/\\n/g;	3445	$qcode =~ s/\n/\\n/g;
2657		3446
		3447	%vars = (_dummy => 0) unless %vars;
		3448
		3449	my @res;
2658	local $_;	3450	local $_;
2659	local @safe::cf::_safe_eval_args = values %vars;
2660		3451
2661	my $eval =	3452	my $eval =
2662	"do {\n"	3453	"do {\n"
2663	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3454	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2664	. "#line 0 \"{$qcode}\"\n"	3455	. "#line 0 \"{$qcode}\"\n"
2665	. $code	3456	. $code
2666	. "\n}"	3457	. "\n}"
2667	;	3458	;
2668		3459
		3460	if ($CFG{safe_eval}) {
2669	sub_generation_inc;	3461	sub_generation_inc;
		3462	local @safe::cf::_safe_eval_args = values %vars;
2670	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3463	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2671	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	}
2672		3469
2673	if ($@) {	3470	if ($@) {
2674	warn "$@";	3471	warn "$@",
2675	warn "while executing safe code '$code'\n";	3472	"while executing safe code '$code'\n",
2676	warn "with arguments " . (join " ", %vars) . "\n";	3473	"with arguments " . (join " ", %vars) . "\n";
2677	}	3474	}
2678		3475
2679	wantarray ? @res : $res[0]	3476	wantarray ? @res : $res[0]
2680	}	3477	}
2681		3478
…		…
2695	=cut	3492	=cut
2696		3493
2697	sub register_script_function {	3494	sub register_script_function {
2698	my ($fun, $cb) = @_;	3495	my ($fun, $cb) = @_;
2699		3496
2700	no strict 'refs';	3497	$fun = "safe::$fun" if $CFG{safe_eval};
2701	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3498	*$fun = $safe_hole->wrap ($cb);
2702	}	3499	}
2703		3500
2704	=back	3501	=back
2705		3502
2706	=cut	3503	=cut
2707		3504
2708	#############################################################################	3505	#############################################################################
2709	# the server's init and main functions	3506	# the server's init and main functions
2710		3507
		3508	our %FACEHASH; # hash => idx, #d# HACK for http server
		3509
2711	sub load_facedata($) {	3510	sub load_facedata($) {
2712	my ($path) = @_;	3511	my ($path) = @_;
2713		3512
		3513	# HACK to clear player env face cache, we need some signal framework
		3514	# for this (global event?)
		3515	%ext::player_env::MUSIC_FACE_CACHE = ();
		3516
		3517	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3518
2714	warn "loading facedata from $path\n";	3519	trace "loading facedata from $path\n";
2715		3520
2716	my $facedata;	3521	my $facedata = decode_storable load_file $path;
2717	0 < aio_load $path, $facedata
2718	or die "$path: $!";
2719
2720	$facedata = Coro::Storable::thaw $facedata;
2721		3522
2722	$facedata->{version} == 2	3523	$facedata->{version} == 2
2723	or cf::cleanup "$path: version mismatch, cannot proceed.";	3524	or cf::cleanup "$path: version mismatch, cannot proceed.";
2724		3525
		3526	# patch in the exptable
		3527	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3528	$facedata->{resource}{"res/exp_table"} = {
		3529	type => FT_RSRC,
		3530	data => $exp_table,
		3531	hash => (Digest::MD5::md5 $exp_table),
		3532	};
		3533	cf::cede_to_tick;
		3534
2725	{	3535	{
2726	my $faces = $facedata->{faceinfo};	3536	my $faces = $facedata->{faceinfo};
2727		3537
2728	while (my ($face, $info) = each %$faces) {	3538	for my $face (sort keys %$faces) {
		3539	my $info = $faces->{$face};
2729	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3540	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3541
2730	cf::face::set_visibility $idx, $info->{visibility};	3542	cf::face::set_visibility $idx, $info->{visibility};
2731	cf::face::set_magicmap $idx, $info->{magicmap};	3543	cf::face::set_magicmap $idx, $info->{magicmap};
2732	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3544	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2733	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3545	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3546	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3547	$FACEHASH{$info->{hash64}} = $idx;#d#
2734		3548
2735	cf::cede_to_tick;	3549	cf::cede_to_tick;
2736	}	3550	}
2737		3551
2738	while (my ($face, $info) = each %$faces) {	3552	while (my ($face, $info) = each %$faces) {
2739	next unless $info->{smooth};	3553	next unless $info->{smooth};
		3554
2740	my $idx = cf::face::find $face	3555	my $idx = cf::face::find $face
2741	or next;	3556	or next;
		3557
2742	if (my $smooth = cf::face::find $info->{smooth}) {	3558	if (my $smooth = cf::face::find $info->{smooth}) {
2743	cf::face::set_smooth $idx, $smooth;	3559	cf::face::set_smooth $idx, $smooth;
2744	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3560	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2745	} else {	3561	} else {
2746	warn "smooth face '$info->{smooth}' not found for face '$face'";	3562	error "smooth face '$info->{smooth}' not found for face '$face'";
2747	}	3563	}
2748		3564
2749	cf::cede_to_tick;	3565	cf::cede_to_tick;
2750	}	3566	}
2751	}	3567	}
…		…
2760		3576
2761	cf::anim::invalidate_all; # d'oh	3577	cf::anim::invalidate_all; # d'oh
2762	}	3578	}
2763		3579
2764	{	3580	{
2765	# TODO: for gcfclient pleasure, we should give resources
2766	# that gcfclient doesn't grok a >10000 face index.
2767	my $res = $facedata->{resource};	3581	my $res = $facedata->{resource};
2768	my $enc = JSON::XS->new->utf8->canonical;
2769		3582
2770	while (my ($name, $info) = each %$res) {	3583	while (my ($name, $info) = each %$res) {
2771	my $meta = $enc->encode ({	3584	if (defined (my $type = $info->{type})) {
2772	name => $name,	3585	# TODO: different hash - must free and use new index, or cache ixface data queue
2773	type => $info->{type},
2774	copyright => $info->{copyright}, #TODO#
2775	});
2776
2777	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3586	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2778		3587
2779	if ($name =~ /\.jpg$/) {
2780	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3588	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2781	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3589	cf::face::set_type $idx, $type;
		3590	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3591	$FACEHASH{$info->{hash}} = $idx;#d#
2782	} else {	3592	} else {
2783	my $data = pack "(w/a*)*", $meta, $info->{data};	3593	# $RESOURCE{$name} = $info; # unused
2784	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2785
2786	cf::face::set_type $idx, 1;
2787	cf::face::set_data $idx, 0, $data, $chk;
2788	}	3594	}
2789		3595
2790	cf::cede_to_tick;	3596	cf::cede_to_tick;
2791	}	3597	}
2792	}	3598	}
2793		3599
		3600	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3601
2794	1	3602	1
2795	}	3603	}
2796		3604
		3605	register_exticmd fx_want => sub {
		3606	my ($ns, $want) = @_;
		3607
		3608	while (my ($k, $v) = each %$want) {
		3609	$ns->fx_want ($k, $v);
		3610	}
		3611	};
		3612
		3613	sub load_resource_file($) {
		3614	my $guard = lock_acquire "load_resource_file";
		3615
		3616	my $status = load_resource_file_ $_[0];
		3617	get_slot 0.1, 100;
		3618	cf::arch::commit_load;
		3619
		3620	$status
		3621	}
		3622
2797	sub reload_regions {	3623	sub reload_regions {
		3624	# HACK to clear player env face cache, we need some signal framework
		3625	# for this (global event?)
		3626	%ext::player_env::MUSIC_FACE_CACHE = ();
		3627
2798	load_resource_file "$MAPDIR/regions"	3628	load_resource_file "$MAPDIR/regions"
2799	or die "unable to load regions file\n";	3629	or die "unable to load regions file\n";
2800		3630
2801	for (cf::region::list) {	3631	for (cf::region::list) {
2802	$_->{match} = qr/$_->{match}/	3632	$_->{match} = qr/$_->{match}/
…		…
2810	}	3640	}
2811		3641
2812	sub reload_archetypes {	3642	sub reload_archetypes {
2813	load_resource_file "$DATADIR/archetypes"	3643	load_resource_file "$DATADIR/archetypes"
2814	or die "unable to load archetypes\n";	3644	or die "unable to load archetypes\n";
2815	#d# NEED to laod twice to resolve forward references
2816	# this really needs to be done in an extra post-pass
2817	# (which needs to be synchronous, so solve it differently)
2818	load_resource_file "$DATADIR/archetypes"
2819	or die "unable to load archetypes\n";
2820	}	3645	}
2821		3646
2822	sub reload_treasures {	3647	sub reload_treasures {
2823	load_resource_file "$DATADIR/treasures"	3648	load_resource_file "$DATADIR/treasures"
2824	or die "unable to load treasurelists\n";	3649	or die "unable to load treasurelists\n";
2825	}	3650	}
2826		3651
		3652	sub reload_sound {
		3653	trace "loading sound config from $DATADIR/sound\n";
		3654
		3655	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3656
		3657	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3658	my $sound = $soundconf->{compat}[$_]
		3659	or next;
		3660
		3661	my $face = cf::face::find "sound/$sound->[1]";
		3662	cf::sound::set $sound->[0] => $face;
		3663	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3664	}
		3665
		3666	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3667	my $face = cf::face::find "sound/$v";
		3668	cf::sound::set $k => $face;
		3669	}
		3670	}
		3671
2827	sub reload_resources {	3672	sub reload_resources {
2828	warn "reloading resource files...\n";	3673	trace "reloading resource files...\n";
2829		3674
		3675	reload_exp_table;
		3676	reload_materials;
		3677	reload_facedata;
		3678	reload_sound;
		3679	reload_archetypes;
2830	reload_regions;	3680	reload_regions;
2831	reload_facedata;
2832	#reload_archetypes;#d#
2833	reload_archetypes;
2834	reload_treasures;	3681	reload_treasures;
2835		3682
2836	warn "finished reloading resource files\n";	3683	trace "finished reloading resource files\n";
2837	}	3684	}
2838		3685
2839	sub init {	3686	sub reload_config {
2840	reload_resources;	3687	trace "reloading config file...\n";
2841	}
2842		3688
2843	sub cfg_load {	3689	my $config = load_file "$CONFDIR/config";
2844	open my $fh, "<:utf8", "$CONFDIR/config"	3690	utf8::decode $config;
2845	or return;	3691	*CFG = decode_yaml $config;
2846		3692
2847	local $/;
2848	*CFG = YAML::Syck::Load <$fh>;
2849
2850	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3693	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2851		3694
2852	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3695	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2853	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3696	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2854		3697
2855	if (exists $CFG{mlockall}) {	3698	if (exists $CFG{mlockall}) {
…		…
2859	};	3702	};
2860	warn $@ if $@;	3703	warn $@ if $@;
2861	}	3704	}
2862	}	3705	}
2863		3706
		3707	sub pidfile() {
		3708	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3709	or die "$PIDFILE: $!";
		3710	flock $fh, &Fcntl::LOCK_EX
		3711	or die "$PIDFILE: flock: $!";
		3712	$fh
		3713	}
		3714
		3715	# make sure only one server instance is running at any one time
		3716	sub atomic {
		3717	my $fh = pidfile;
		3718
		3719	my $pid = <$fh>;
		3720	kill 9, $pid if $pid > 0;
		3721
		3722	seek $fh, 0, 0;
		3723	print $fh $$;
		3724	}
		3725
		3726	sub main_loop {
		3727	trace "EV::loop starting\n";
		3728	if (1) {
		3729	EV::loop;
		3730	}
		3731	trace "EV::loop returned\n";
		3732	goto &main_loop unless $REALLY_UNLOOP;
		3733	}
		3734
2864	sub main {	3735	sub main {
		3736	cf::init_globals; # initialise logging
		3737
		3738	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3739	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3740	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3741	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3742
		3743	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3744
2865	# we must not ever block the main coroutine	3745	# we must not ever block the main coroutine
2866	local $Coro::idle = sub {	3746	local $Coro::idle = sub {
2867	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3747	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2868	(async {	3748	(async {
2869	Event::one_event;	3749	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3750	EV::loop EV::LOOP_ONESHOT;
2870	})->prio (Coro::PRIO_MAX);	3751	})->prio (Coro::PRIO_MAX);
2871	};	3752	};
2872		3753
2873	cfg_load;	3754	evthread_start IO::AIO::poll_fileno;
		3755
		3756	cf::sync_job {
		3757	cf::incloader::init ();
		3758
		3759	cf::init_anim;
		3760	cf::init_attackmess;
		3761	cf::init_dynamic;
		3762
		3763	cf::load_settings;
		3764
		3765	reload_resources;
		3766	reload_config;
2874	db_init;	3767	db_init;
		3768
		3769	cf::init_uuid;
		3770	cf::init_signals;
		3771	cf::init_skills;
		3772
		3773	cf::init_beforeplay;
		3774
		3775	atomic;
		3776
2875	load_extensions;	3777	load_extensions;
2876		3778
2877	$TICK_WATCHER->start;	3779	utime time, time, $RUNTIMEFILE;
2878	Event::loop;	3780
		3781	# no (long-running) fork's whatsoever before this point(!)
		3782	use POSIX ();
		3783	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3784
		3785	cf::_post_init 0;
		3786	};
		3787
		3788	cf::object::thawer::errors_are_fatal 0;
		3789	info "parse errors in files are no longer fatal from this point on.\n";
		3790
		3791	AE::postpone {
		3792	undef &main; # free gobs of memory :)
		3793	};
		3794
		3795	goto &main_loop;
2879	}	3796	}
2880		3797
2881	#############################################################################	3798	#############################################################################
2882	# initialisation and cleanup	3799	# initialisation and cleanup
2883		3800
2884	# install some emergency cleanup handlers	3801	# install some emergency cleanup handlers
2885	BEGIN {	3802	BEGIN {
		3803	our %SIGWATCHER = ();
2886	for my $signal (qw(INT HUP TERM)) {	3804	for my $signal (qw(INT HUP TERM)) {
2887	Event->signal (	3805	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2888	reentrant => 0,
2889	data => WF_AUTOCANCEL,
2890	signal => $signal,
2891	prio => 0,
2892	cb => sub {
2893	cf::cleanup "SIG$signal";	3806	cf::cleanup "SIG$signal";
2894	},
2895	);	3807	};
2896	}	3808	}
2897	}	3809	}
2898		3810
2899	sub write_runtime {	3811	sub write_runtime_sync {
2900	my $runtime = "$LOCALDIR/runtime";	3812	my $t0 = AE::time;
2901		3813
2902	# first touch the runtime file to show we are still running:	3814	# first touch the runtime file to show we are still running:
2903	# the fsync below can take a very very long time.	3815	# the fsync below can take a very very long time.
2904		3816
2905	IO::AIO::aio_utime $runtime, undef, undef;	3817	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2906		3818
2907	my $guard = cf::lock_acquire "write_runtime";	3819	my $guard = cf::lock_acquire "write_runtime";
2908		3820
2909	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3821	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2910	or return;	3822	or return;
2911		3823
2912	my $value = $cf::RUNTIME + 90 + 10;	3824	my $value = $cf::RUNTIME + 90 + 10;
2913	# 10 is the runtime save interval, for a monotonic clock	3825	# 10 is the runtime save interval, for a monotonic clock
2914	# 60 allows for the watchdog to kill the server.	3826	# 60 allows for the watchdog to kill the server.
…		…
2924	aio_utime $fh, undef, undef;	3836	aio_utime $fh, undef, undef;
2925		3837
2926	close $fh	3838	close $fh
2927	or return;	3839	or return;
2928		3840
2929	aio_rename "$runtime~", $runtime	3841	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2930	and return;	3842	and return;
2931		3843
2932	warn "runtime file written.\n";	3844	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2933		3845
2934	1	3846	1
		3847	}
		3848
		3849	our $uuid_lock;
		3850	our $uuid_skip;
		3851
		3852	sub write_uuid_sync($) {
		3853	$uuid_skip ||= $_[0];
		3854
		3855	return if $uuid_lock;
		3856	local $uuid_lock = 1;
		3857
		3858	my $uuid = "$LOCALDIR/uuid";
		3859
		3860	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3861	or return;
		3862
		3863	my $value = uuid_seq uuid_cur;
		3864
		3865	unless ($value) {
		3866	info "cowardly refusing to write zero uuid value!\n";
		3867	return;
		3868	}
		3869
		3870	my $value = uuid_str $value + $uuid_skip;
		3871	$uuid_skip = 0;
		3872
		3873	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3874	and return;
		3875
		3876	# always fsync - this file is important
		3877	aio_fsync $fh
		3878	and return;
		3879
		3880	close $fh
		3881	or return;
		3882
		3883	aio_rename "$uuid~", $uuid
		3884	and return;
		3885
		3886	trace "uuid file written ($value).\n";
		3887
		3888	1
		3889
		3890	}
		3891
		3892	sub write_uuid($$) {
		3893	my ($skip, $sync) = @_;
		3894
		3895	$sync ? write_uuid_sync $skip
		3896	: async { write_uuid_sync $skip };
2935	}	3897	}
2936		3898
2937	sub emergency_save() {	3899	sub emergency_save() {
2938	my $freeze_guard = cf::freeze_mainloop;	3900	my $freeze_guard = cf::freeze_mainloop;
2939		3901
2940	warn "enter emergency perl save\n";	3902	info "emergency_perl_save: enter\n";
		3903
		3904	# this is a trade-off: we want to be very quick here, so
		3905	# save all maps without fsync, and later call a global sync
		3906	# (which in turn might be very very slow)
		3907	local $USE_FSYNC = 0;
2941		3908
2942	cf::sync_job {	3909	cf::sync_job {
		3910	cf::write_runtime_sync; # external watchdog should not bark
		3911
2943	# use a peculiar iteration method to avoid tripping on perl	3912	# use a peculiar iteration method to avoid tripping on perl
2944	# refcount bugs in for. also avoids problems with players	3913	# refcount bugs in for. also avoids problems with players
2945	# and maps saved/destroyed asynchronously.	3914	# and maps saved/destroyed asynchronously.
2946	warn "begin emergency player save\n";	3915	info "emergency_perl_save: begin player save\n";
2947	for my $login (keys %cf::PLAYER) {	3916	for my $login (keys %cf::PLAYER) {
2948	my $pl = $cf::PLAYER{$login} or next;	3917	my $pl = $cf::PLAYER{$login} or next;
2949	$pl->valid or next;	3918	$pl->valid or next;
		3919	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2950	$pl->save;	3920	$pl->save;
2951	}	3921	}
2952	warn "end emergency player save\n";	3922	info "emergency_perl_save: end player save\n";
2953		3923
2954	warn "begin emergency map save\n";	3924	cf::write_runtime_sync; # external watchdog should not bark
		3925
		3926	info "emergency_perl_save: begin map save\n";
2955	for my $path (keys %cf::MAP) {	3927	for my $path (keys %cf::MAP) {
2956	my $map = $cf::MAP{$path} or next;	3928	my $map = $cf::MAP{$path} or next;
2957	$map->valid or next;	3929	$map->valid or next;
2958	$map->save;	3930	$map->save;
2959	}	3931	}
2960	warn "end emergency map save\n";	3932	info "emergency_perl_save: end map save\n";
2961		3933
2962	warn "begin emergency database checkpoint\n";	3934	cf::write_runtime_sync; # external watchdog should not bark
		3935
		3936	info "emergency_perl_save: begin database checkpoint\n";
2963	BDB::db_env_txn_checkpoint $DB_ENV;	3937	BDB::db_env_txn_checkpoint $DB_ENV;
2964	warn "end emergency database checkpoint\n";	3938	info "emergency_perl_save: end database checkpoint\n";
		3939
		3940	info "emergency_perl_save: begin write uuid\n";
		3941	write_uuid_sync 1;
		3942	info "emergency_perl_save: end write uuid\n";
		3943
		3944	cf::write_runtime_sync; # external watchdog should not bark
		3945
		3946	trace "emergency_perl_save: syncing database to disk";
		3947	BDB::db_env_txn_checkpoint $DB_ENV;
		3948
		3949	info "emergency_perl_save: starting sync\n";
		3950	IO::AIO::aio_sync sub {
		3951	info "emergency_perl_save: finished sync\n";
		3952	};
		3953
		3954	cf::write_runtime_sync; # external watchdog should not bark
		3955
		3956	trace "emergency_perl_save: flushing outstanding aio requests";
		3957	while (IO::AIO::nreqs || BDB::nreqs) {
		3958	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3959	}
		3960
		3961	cf::write_runtime_sync; # external watchdog should not bark
2965	};	3962	};
2966		3963
2967	warn "leave emergency perl save\n";	3964	info "emergency_perl_save: leave\n";
2968	}	3965	}
2969		3966
2970	sub post_cleanup {	3967	sub post_cleanup {
2971	my ($make_core) = @_;	3968	my ($make_core) = @_;
2972		3969
		3970	IO::AIO::flush;
		3971
2973	warn Carp::longmess "post_cleanup backtrace"	3972	error Carp::longmess "post_cleanup backtrace"
2974	if $make_core;	3973	if $make_core;
		3974
		3975	my $fh = pidfile;
		3976	unlink $PIDFILE if <$fh> == $$;
		3977	}
		3978
		3979	# a safer delete_package, copied from Symbol
		3980	sub clear_package($) {
		3981	my $pkg = shift;
		3982
		3983	# expand to full symbol table name if needed
		3984	unless ($pkg =~ /^main::.*::$/) {
		3985	$pkg = "main$pkg" if $pkg =~ /^::/;
		3986	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3987	$pkg .= '::' unless $pkg =~ /::$/;
		3988	}
		3989
		3990	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3991	my $stem_symtab = *{$stem}{HASH};
		3992
		3993	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3994	or return;
		3995
		3996	# clear all symbols
		3997	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3998	for my $name (keys %$leaf_symtab) {
		3999	_gv_clear *{"$pkg$name"};
		4000	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4001	}
2975	}	4002	}
2976		4003
2977	sub do_reload_perl() {	4004	sub do_reload_perl() {
2978	# can/must only be called in main	4005	# can/must only be called in main
2979	if ($Coro::current != $Coro::main) {	4006	unless (in_main) {
2980	warn "can only reload from main coroutine";	4007	error "can only reload from main coroutine";
2981	return;	4008	return;
2982	}	4009	}
2983		4010
2984	warn "reloading...";	4011	return if $RELOAD++;
2985		4012
2986	warn "entering sync_job";	4013	my $t1 = AE::time;
2987		4014
		4015	while ($RELOAD) {
		4016	cf::get_slot 0.1, -1, "reload_perl";
		4017	info "perl_reload: reloading...";
		4018
		4019	trace "perl_reload: entering sync_job";
		4020
2988	cf::sync_job {	4021	cf::sync_job {
2989	cf::write_runtime; # external watchdog should not bark
2990	cf::emergency_save;	4022	#cf::emergency_save;
2991	cf::write_runtime; # external watchdog should not bark
2992		4023
2993	warn "syncing database to disk";
2994	BDB::db_env_txn_checkpoint $DB_ENV;
2995
2996	# if anything goes wrong in here, we should simply crash as we already saved
2997
2998	warn "cancelling all WF_AUTOCANCEL watchers";
2999	for (Event::all_watchers) {
3000	$_->cancel if $_->data & WF_AUTOCANCEL;
3001	}
3002
3003	warn "flushing outstanding aio requests";
3004	for (;;) {
3005	BDB::flush;
3006	IO::AIO::flush;
3007	Coro::cede;
3008	last unless IO::AIO::nreqs || BDB::nreqs;
3009	warn "iterate...";
3010	}
3011
3012	++$RELOAD;
3013
3014	warn "cancelling all extension coros";	4024	trace "perl_reload: cancelling all extension coros";
3015	$_->cancel for values %EXT_CORO;	4025	$_->cancel for values %EXT_CORO;
3016	%EXT_CORO = ();	4026	%EXT_CORO = ();
3017		4027
3018	warn "removing commands";	4028	trace "perl_reload: removing commands";
3019	%COMMAND = ();	4029	%COMMAND = ();
3020		4030
3021	warn "removing ext/exti commands";	4031	trace "perl_reload: removing ext/exti commands";
3022	%EXTCMD = ();	4032	%EXTCMD = ();
3023	%EXTICMD = ();	4033	%EXTICMD = ();
3024		4034
3025	warn "unloading/nuking all extensions";	4035	trace "perl_reload: unloading/nuking all extensions";
3026	for my $pkg (@EXTS) {	4036	for my $pkg (@EXTS) {
3027	warn "... unloading $pkg";	4037	trace "... unloading $pkg";
3028		4038
3029	if (my $cb = $pkg->can ("unload")) {	4039	if (my $cb = $pkg->can ("unload")) {
3030	eval {	4040	eval {
3031	$cb->($pkg);	4041	$cb->($pkg);
3032	1	4042	1
3033	} or warn "$pkg unloaded, but with errors: $@";	4043	} or error "$pkg unloaded, but with errors: $@";
		4044	}
		4045
		4046	trace "... clearing $pkg";
		4047	clear_package $pkg;
3034	}	4048	}
3035		4049
3036	warn "... nuking $pkg";
3037	Symbol::delete_package $pkg;
3038	}
3039
3040	warn "unloading all perl modules loaded from $LIBDIR";	4050	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3041	while (my ($k, $v) = each %INC) {	4051	while (my ($k, $v) = each %INC) {
3042	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4052	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3043		4053
3044	warn "... unloading $k";	4054	trace "... unloading $k";
3045	delete $INC{$k};	4055	delete $INC{$k};
3046		4056
3047	$k =~ s/\.pm$//;	4057	$k =~ s/\.pm$//;
3048	$k =~ s/\//::/g;	4058	$k =~ s/\//::/g;
3049		4059
3050	if (my $cb = $k->can ("unload_module")) {	4060	if (my $cb = $k->can ("unload_module")) {
3051	$cb->();	4061	$cb->();
		4062	}
		4063
		4064	clear_package $k;
3052	}	4065	}
3053		4066
3054	Symbol::delete_package $k;
3055	}
3056
3057	warn "getting rid of safe::, as good as possible";	4067	trace "perl_reload: getting rid of safe::, as good as possible";
3058	Symbol::delete_package "safe::$_"	4068	clear_package "safe::$_"
3059	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4069	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3060		4070
3061	warn "unloading cf.pm \"a bit\"";	4071	trace "perl_reload: unloading cf.pm \"a bit\"";
3062	delete $INC{"cf.pm"};	4072	delete $INC{"cf.pm"};
3063	delete $INC{"cf/pod.pm"};	4073	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3064		4074
3065	# don't, removes xs symbols, too,	4075	# don't, removes xs symbols, too,
3066	# and global variables created in xs	4076	# and global variables created in xs
3067	#Symbol::delete_package __PACKAGE__;	4077	#clear_package __PACKAGE__;
3068		4078
3069	warn "unload completed, starting to reload now";	4079	info "perl_reload: unload completed, starting to reload now";
3070		4080
3071	warn "reloading cf.pm";	4081	trace "perl_reload: reloading cf.pm";
3072	require cf;	4082	require cf;
3073	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4083	cf::_connect_to_perl_1;
3074		4084
3075	warn "loading config and database again";	4085	trace "perl_reload: loading config and database again";
3076	cf::cfg_load;	4086	cf::reload_config;
3077		4087
3078	warn "loading extensions";	4088	trace "perl_reload: loading extensions";
3079	cf::load_extensions;	4089	cf::load_extensions;
3080		4090
		4091	if ($REATTACH_ON_RELOAD) {
3081	warn "reattaching attachments to objects/players";	4092	trace "perl_reload: reattaching attachments to objects/players";
3082	_global_reattach; # objects, sockets	4093	_global_reattach; # objects, sockets
3083	warn "reattaching attachments to maps";	4094	trace "perl_reload: reattaching attachments to maps";
3084	reattach $_ for values %MAP;	4095	reattach $_ for values %MAP;
3085	warn "reattaching attachments to players";	4096	trace "perl_reload: reattaching attachments to players";
3086	reattach $_ for values %PLAYER;	4097	reattach $_ for values %PLAYER;
		4098	}
3087		4099
3088	warn "leaving sync_job";	4100	cf::_post_init 1;
3089		4101
		4102	trace "perl_reload: leaving sync_job";
		4103
3090	1	4104	1
3091	} or do {	4105	} or do {
3092	warn $@;	4106	error $@;
3093	warn "error while reloading, exiting.";	4107	cf::cleanup "perl_reload: error, exiting.";
3094	exit 1;	4108	};
		4109
		4110	--$RELOAD;
3095	};	4111	}
3096		4112
3097	warn "reloaded";	4113	$t1 = AE::time - $t1;
		4114	info "perl_reload: completed in ${t1}s\n";
3098	};	4115	};
3099		4116
3100	our $RELOAD_WATCHER; # used only during reload	4117	our $RELOAD_WATCHER; # used only during reload
3101		4118
3102	sub reload_perl() {	4119	sub reload_perl() {
3103	# doing reload synchronously and two reloads happen back-to-back,	4120	# doing reload synchronously and two reloads happen back-to-back,
3104	# coro crashes during coro_state_free->destroy here.	4121	# coro crashes during coro_state_free->destroy here.
3105		4122
3106	$RELOAD_WATCHER ||= Event->timer (	4123	$RELOAD_WATCHER ||= cf::async {
3107	reentrant => 0,	4124	Coro::AIO::aio_wait cache_extensions;
3108	after => 0,	4125
3109	data => WF_AUTOCANCEL,	4126	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3110	cb => sub {
3111	do_reload_perl;	4127	do_reload_perl;
3112	undef $RELOAD_WATCHER;	4128	undef $RELOAD_WATCHER;
3113	},	4129	};
3114	);	4130	};
3115	}	4131	}
3116		4132
3117	register_command "reload" => sub {	4133	register_command "reload" => sub {
3118	my ($who, $arg) = @_;	4134	my ($who, $arg) = @_;
3119		4135
3120	if ($who->flag (FLAG_WIZ)) {	4136	if ($who->flag (FLAG_WIZ)) {
3121	$who->message ("reloading server.");	4137	$who->message ("reloading server.");
		4138	async {
		4139	$Coro::current->{desc} = "perl_reload";
3122	async { reload_perl };	4140	reload_perl;
		4141	};
3123	}	4142	}
3124	};	4143	};
3125		4144
3126	unshift @INC, $LIBDIR;	4145	#############################################################################
3127		4146
3128	my $bug_warning = 0;	4147	my $bug_warning = 0;
3129		4148
3130	our @WAIT_FOR_TICK;
3131	our @WAIT_FOR_TICK_BEGIN;
3132
3133	sub wait_for_tick {	4149	sub wait_for_tick() {
3134	return unless $TICK_WATCHER->is_active;	4150	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3135	return if $Coro::current == $Coro::main;
3136		4151
3137	my $signal = new Coro::Signal;	4152	$WAIT_FOR_TICK->wait;
3138	push @WAIT_FOR_TICK, $signal;
3139	$signal->wait;
3140	}	4153	}
3141		4154
3142	sub wait_for_tick_begin {	4155	sub wait_for_tick_begin() {
3143	return unless $TICK_WATCHER->is_active;	4156	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3144	return if $Coro::current == $Coro::main;
3145		4157
3146	my $signal = new Coro::Signal;	4158	my $signal = new Coro::Signal;
3147	push @WAIT_FOR_TICK_BEGIN, $signal;	4159	push @WAIT_FOR_TICK_BEGIN, $signal;
3148	$signal->wait;	4160	$signal->wait;
3149	}	4161	}
3150		4162
3151	my $min = 1e6;#d#	4163	sub tick {
3152	my $avg = 10;
3153	$TICK_WATCHER = Event->timer (
3154	reentrant => 0,
3155	parked => 1,
3156	prio => 0,
3157	at => $NEXT_TICK || $TICK,
3158	data => WF_AUTOCANCEL,
3159	cb => sub {
3160	if ($Coro::current != $Coro::main) {	4164	if ($Coro::current != $Coro::main) {
3161	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4165	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3162	unless ++$bug_warning > 10;	4166	unless ++$bug_warning > 10;
3163	return;	4167	return;
3164	}	4168	}
3165		4169
3166	$NOW = $tick_start = Event::time;	4170	cf::one_tick; # one server iteration
3167		4171
3168	cf::server_tick; # one server iteration	4172	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3169		4173
3170	0 && sync_job {#d#	4174	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3171	for(1..10) {	4175	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3172	my $t = Event::time;	4176	Coro::async_pool {
3173	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4177	$Coro::current->{desc} = "runtime saver";
3174	or die;	4178	write_runtime_sync
3175		4179	or error "ERROR: unable to write runtime file: $!";
3176	$map->width (50);
3177	$map->height (50);
3178	$map->alloc;
3179	$map->_load_objects ("/tmp/x.map", 1);
3180	my $t = Event::time - $t;
3181
3182	#next unless $t < 0.0013;#d#
3183	if ($t < $min) {
3184	$min = $t;
3185	}
3186	$avg = $avg * 0.99 + $t * 0.01;
3187	}
3188	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3189	exit 0;
3190	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3191	};	4180	};
		4181	}
3192		4182
3193	$RUNTIME += $TICK;
3194	$NEXT_TICK += $TICK;
3195
3196	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3197	$NEXT_RUNTIME_WRITE = $NOW + 10;
3198	Coro::async_pool {
3199	write_runtime
3200	or warn "ERROR: unable to write runtime file: $!";
3201	};
3202	}
3203
3204	# my $AFTER = Event::time;
3205	# warn $AFTER - $NOW;#d#
3206
3207	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4183	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3208	$sig->send;	4184	$sig->send;
3209	}	4185	}
3210	while (my $sig = shift @WAIT_FOR_TICK) {	4186	$WAIT_FOR_TICK->broadcast;
3211	$sig->send;
3212	}
3213		4187
3214	$NOW = Event::time;	4188	$LOAD = ($NOW - $TICK_START) / $TICK;
3215
3216	# if we are delayed by four ticks or more, skip them all
3217	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3218
3219	$TICK_WATCHER->at ($NEXT_TICK);
3220	$TICK_WATCHER->start;
3221
3222	$LOAD = ($NOW - $tick_start) / $TICK;
3223	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4189	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3224		4190
3225	_post_tick;	4191	if (0) {
3226		4192	if ($NEXT_TICK) {
3227		4193	my $jitter = $TICK_START - $NEXT_TICK;
		4194	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4195	debug "jitter $JITTER\n";#d#
		4196	}
3228	},	4197	}
3229	);	4198	}
3230		4199
3231	{	4200	{
3232	BDB::max_poll_time $TICK * 0.1;	4201	# configure BDB
3233	$BDB_POLL_WATCHER = Event->io (	4202
3234	reentrant => 0,
3235	fd => BDB::poll_fileno,
3236	poll => 'r',
3237	prio => 0,
3238	data => WF_AUTOCANCEL,
3239	cb => \&BDB::poll_cb,
3240	);
3241	BDB::min_parallel 8;	4203	BDB::min_parallel 16;
3242		4204	BDB::max_poll_reqs $TICK * 0.1;
3243	BDB::set_sync_prepare {	4205	#$AnyEvent::BDB::WATCHER->priority (1);
3244	my $status;
3245	my $current = $Coro::current;
3246	(
3247	sub {
3248	$status = $!;
3249	$current->ready; undef $current;
3250	},
3251	sub {
3252	Coro::schedule while defined $current;
3253	$! = $status;
3254	},
3255	)
3256	};
3257		4206
3258	unless ($DB_ENV) {	4207	unless ($DB_ENV) {
3259	$DB_ENV = BDB::db_env_create;	4208	$DB_ENV = BDB::db_env_create;
		4209	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4210	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4211	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4212	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4213	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3260		4214
3261	cf::sync_job {	4215	cf::sync_job {
3262	eval {	4216	eval {
3263	BDB::db_env_open	4217	BDB::db_env_open
3264	$DB_ENV,	4218	$DB_ENV,
…		…
3266	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4220	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3267	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4221	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3268	0666;	4222	0666;
3269		4223
3270	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4224	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3271
3272	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3273	$DB_ENV->set_lk_detect;
3274	};	4225	};
3275		4226
3276	cf::cleanup "db_env_open(db): $@" if $@;	4227	cf::cleanup "db_env_open(db): $@" if $@;
3277	};	4228	};
3278	}	4229	}
		4230
		4231	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4232	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4233	};
		4234	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4235	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4236	};
		4237	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4238	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4239	};
3279	}	4240	}
3280		4241
3281	{	4242	{
		4243	# configure IO::AIO
		4244
3282	IO::AIO::min_parallel 8;	4245	IO::AIO::min_parallel 8;
3283
3284	undef $Coro::AIO::WATCHER;
3285	IO::AIO::max_poll_time $TICK * 0.1;	4246	IO::AIO::max_poll_time $TICK * 0.1;
3286	$AIO_POLL_WATCHER = Event->io (	4247	undef $AnyEvent::AIO::WATCHER;
3287	reentrant => 0,
3288	data => WF_AUTOCANCEL,
3289	fd => IO::AIO::poll_fileno,
3290	poll => 'r',
3291	prio => 6,
3292	cb => \&IO::AIO::poll_cb,
3293	);
3294	}	4248	}
3295		4249
3296	my $_log_backtrace;	4250	our $_log_backtrace;
		4251	our $_log_backtrace_last;
3297		4252
3298	sub _log_backtrace {	4253	sub _log_backtrace {
3299	my ($msg, @addr) = @_;	4254	my ($msg, @addr) = @_;
3300		4255
3301	$msg =~ s/\n//;	4256	$msg =~ s/\n$//;
3302		4257
		4258	if ($_log_backtrace_last eq $msg) {
		4259	LOG llevInfo, "[ABT] $msg\n";
		4260	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3303	# limit the # of concurrent backtraces	4261	# limit the # of concurrent backtraces
3304	if ($_log_backtrace < 2) {	4262	} elsif ($_log_backtrace < 2) {
		4263	$_log_backtrace_last = $msg;
3305	++$_log_backtrace;	4264	++$_log_backtrace;
		4265	my $perl_bt = Carp::longmess $msg;
3306	async {	4266	async {
		4267	$Coro::current->{desc} = "abt $msg";
		4268
3307	my @bt = fork_call {	4269	my @bt = fork_call {
3308	@addr = map { sprintf "%x", $_ } @addr;	4270	@addr = map { sprintf "%x", $_ } @addr;
3309	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4271	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3310	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4272	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3311	or die "addr2line: $!";	4273	or die "addr2line: $!";
…		…
3319	}	4281	}
3320		4282
3321	@funcs	4283	@funcs
3322	};	4284	};
3323		4285
3324	LOG llevInfo, "[ABT] $msg\n";	4286	LOG llevInfo, "[ABT] $perl_bt\n";
		4287	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3325	LOG llevInfo, "[ABT] $_\n" for @bt;	4288	LOG llevInfo, "[ABT] $_\n" for @bt;
3326	--$_log_backtrace;	4289	--$_log_backtrace;
3327	};	4290	};
3328	} else {	4291	} else {
3329	LOG llevInfo, "[ABT] $msg\n";	4292	LOG llevInfo, "[ABT] $msg\n";
3330	LOG llevInfo, "[ABT] [suppressed]\n";	4293	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3331	}	4294	}
3332	}	4295	}
3333		4296
3334	# load additional modules	4297	# load additional modules
3335	use cf::pod;	4298	require "cf/$_.pm" for @EXTRA_MODULES;
		4299	cf::_connect_to_perl_2;
3336		4300
3337	END { cf::emergency_save }	4301	END { cf::emergency_save }
3338		4302
3339	1	4303	1
3340		4304

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