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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.387 by root, Mon Oct 15 23:49:10 2007 UTC vs.
Revision 1.613 by root, Mon Nov 26 13:12:16 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 Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
13	use Storable ();	34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 4.1 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
24	use Coro::Util ();	54	use Coro::Util ();
25		55
		56	use Guard ();
26	use JSON::XS ();	57	use JSON::XS 2.01 ();
27	use BDB ();	58	use BDB ();
28	use Data::Dumper;	59	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	60	use Fcntl;
31	use YAML::Syck ();	61	use YAML::XS ();
32	use IO::AIO 2.51 ();	62	use IO::AIO ();
33	use Time::HiRes;
34	use Compress::LZF;	63	use Compress::LZF;
35	use Digest::MD5 ();	64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
36		67
37	# configure various modules to our taste	68	# configure various modules to our taste
38	#	69	#
39	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		78
43	$Event::Eval = 1; # no idea why this is required, but it is	79	# strictly for debugging
44		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		81
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		83
		84	our @ORIG_INC;
51		85
52	our %COMMAND = ();	86	our %COMMAND = ();
53	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
54		88
55	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
57	our %EXTICMD = ();	92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
60		96
61	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
63		101
64	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
65	our $DATADIR = datadir;	104	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
69	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	114	our $BDBDIR = "$LOCALDIR/db";
		115	our $PIDFILE = "$LOCALDIR/pid";
		116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		117
		118	#our %RESOURCE; # unused
		119
		120	our $OUTPUT_RATE_MIN = 3000;
		121	our $OUTPUT_RATE_MAX = 1000000;
		122
		123	our $MAX_LINKS = 32; # how many chained exits to follow
		124	our $VERBOSE_IO = 1;
75		125
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	128	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	129	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		130
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	131	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	132	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	133	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	134	our $DB_ENV;
89		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
90	our %CFG;	138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
91		140
92	our $UPTIME; $UPTIME ||= time;	141	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
		144	our $NOW;
94		145
95	our (%PLAYER, %PLAYER_LOADING); # all users	146	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	147	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
98		149
99	# used to convert map paths into valid unix filenames by replacing / by ∕	150	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		152
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	153	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
		155	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	156	our $TICK_START; # for load detecting purposes
		157
		158	our @POST_INIT;
		159
		160	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		161	our $REALLY_UNLOOP; # never set to true, please :)
		162
		163	our $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
105		165
106	binmode STDOUT;	166	binmode STDOUT;
107	binmode STDERR;	167	binmode STDERR;
108		168
109	# read virtual server time, if available	169	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
114	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
115		177
116	mkdir $_	178	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		180
119	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
120		182
121	sub cf::map::normalise;	183	sub cf::map::normalise;
122		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
123	#############################################################################	189	#############################################################################
124		190
		191	%REFLECT = ();
		192	for (@REFLECT) {
		193	my $reflect = JSON::XS::decode_json $_;
		194	$REFLECT{$reflect->{class}} = $reflect;
		195	}
		196
		197	# this is decidedly evil
		198	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		199
		200	#############################################################################
		201
125	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
126		203
127	=over 4	204	=over 4
128		205
129	=item $cf::UPTIME	206	=item $cf::UPTIME
130		207
131	The timestamp of the server start (so not actually an uptime).	208	The timestamp of the server start (so not actually an "uptime").
		209
		210	=item $cf::SERVER_TICK
		211
		212	An unsigned integer that starts at zero when the server is started and is
		213	incremented on every tick.
		214
		215	=item $cf::NOW
		216
		217	The (real) time of the last (current) server tick - updated before and
		218	after tick processing, so this is useful only as a rough "what time is it
		219	now" estimate.
		220
		221	=item $cf::TICK
		222
		223	The interval between each server tick, in seconds.
132		224
133	=item $cf::RUNTIME	225	=item $cf::RUNTIME
134		226
135	The time this server has run, starts at 0 and is increased by $cf::TICK on	227	The time this server has run, starts at 0 and is increased by $cf::TICK on
136	every server tick.	228	every server tick.
137		229
138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
141		233
142	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
144	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
145	database environment.	237	database environment.
146		238
147	=item $cf::NOW
148
149	The time of the last (current) server tick.
150
151	=item $cf::TICK
152
153	The interval between server ticks, in seconds.
154
155	=item $cf::LOADAVG	239	=item $cf::LOADAVG
156		240
157	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
158	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
159	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
162		246
163	The raw value load value from the last tick.	247	The raw value load value from the last tick.
164		248
165	=item %cf::CFG	249	=item %cf::CFG
166		250
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	252	from wherever your confdir points to.
169		253
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		255
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
173	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
175		277
176	=item @cf::INVOKE_RESULTS	278	=item @cf::INVOKE_RESULTS
177		279
178	This array contains the results of the last C<invoke ()> call. When	280	This array contains the results of the last C<invoke ()> call. When
179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
180	that call.	282	that call.
181		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
		289
182	=back	290	=back
183		291
184	=cut	292	=cut
185		293
186	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
187	*CORE::GLOBAL::warn = sub {	295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
		299
		300	$Coro::State::WARNHOOK = sub {
188	my $msg = join "", @_;	301	my $msg = join "", @_;
189		302
190	$msg .= "\n"	303	$msg .= "\n"
191	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
192		305
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		307
195	LOG llevError, $msg;	308	LOG llevWarn, $msg;
196	};	309	};
197	}	310
		311	$Coro::State::DIEHOOK = sub {
		312	return unless $^S eq 0; # "eq", not "=="
		313
		314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
		317	error "DIEHOOK called in main context, Coro bug?\n";#d#
		318	return;#d#
		319	}#d#
		320
		321	# kill coroutine otherwise
		322	Coro::terminate
		323	};
198		324
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	335	for my $pkg (qw(
210	cf::global cf::attachable	336	cf::global cf::attachable
211	cf::object cf::object::player	337	cf::object cf::object::player
212	cf::client cf::player	338	cf::client cf::player
213	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
214	cf::map cf::party cf::region	341	cf::party cf::region
215	)) {	342	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	344	}
219		345
220	$Event::DIED = sub {	346	$EV::DIED = sub {
221	warn "error in event callback: @_";	347	warn "error in event callback: $@";
222	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
223		354
224	#############################################################################	355	#############################################################################
225		356
226	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
227		358
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	380	$d
250	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
251	}	382	}
252		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($path, $data, $sync) = @_;
		407
		408	my $lock = cf::lock_acquire ("replace_file:$path");
		409
		410	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		411	or return;
		412
		413	$data = $data->() if ref $data;
		414
		415	length $data == aio_write $fh, 0, (length $data), $data, 0
		416	or return;
		417
		418	!$sync
		419	or !aio_fsync $fh
		420	or return;
		421
		422	aio_close $fh
		423	and return;
		424
		425	aio_rename "$path~", $path
		426	and return;
		427
		428	if ($sync) {
		429	$path =~ s%/[^/]*$%%;
		430	aio_pathsync $path;
		431	}
		432
		433	1
		434	}
		435
253	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
254		437
255	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
256		439
257	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
258		441
259	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
260		443
261	=cut	444	=cut
262		445
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		447
265	sub to_json ($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	449	sub decode_json($) { $json_coder->decode ($_[0]) }
		450
		451	=item $ref = cf::decode_storable $scalar
		452
		453	Same as Coro::Storable::thaw, so blocks.
		454
		455	=cut
		456
		457	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		458
		459	=item $ref = cf::decode_yaml $scalar
		460
		461	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		462
		463	=cut
		464
		465	sub decode_yaml($) {
		466	fork_call { YAML::XS::Load $_[0] } @_
		467	}
		468
		469	=item $scalar = cf::unlzf $scalar
		470
		471	Same as Compress::LZF::compress, but takes server ticks into account, so
		472	blocks.
		473
		474	=cut
		475
		476	sub unlzf($) {
		477	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		478	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		479	Compress::LZF::decompress $_[0]
		480	}
		481
		482	=item cf::post_init { BLOCK }
		483
		484	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		485	but I<before> the server starts ticking again.
		486
		487	The codeblock will have a single boolean argument to indicate whether this
		488	is a reload or not.
		489
		490	=cut
		491
		492	sub post_init(&) {
		493	push @POST_INIT, shift;
		494	}
		495
		496	sub _post_init {
		497	trace "running post_init jobs";
		498
		499	# run them in parallel...
		500
		501	my @join;
		502
		503	while () {
		504	push @join, map &Coro::async ($_, 0), @POST_INIT;
		505	@POST_INIT = ();
		506
		507	@join or last;
		508
		509	(pop @join)->join;
		510	}
		511	}
267		512
268	=item cf::lock_wait $string	513	=item cf::lock_wait $string
269		514
270	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
271		516
272	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
273		518
274	Wait until the given lock is available and then acquires it and returns	519	Wait until the given lock is available and then acquires it and returns
275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	520	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
276	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
277	returned.	522	returned.
278		523
279	Locks are *not* recursive, locking from the same coro twice results in a	524	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	525	deadlocked coro.
…		…
286		531
287	Return true if the lock is currently active, i.e. somebody has locked it.	532	Return true if the lock is currently active, i.e. somebody has locked it.
288		533
289	=cut	534	=cut
290		535
291	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		537
294	sub lock_wait($) {	538	sub lock_wait($) {
295	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
296
297	if ($LOCKER{$key} == $Coro::current) {#d#
298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299	return;#d#
300	}#d#
301
302	# wait for lock, if any
303	while ($LOCK{$key}) {
304	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	540	}
308		541
309	sub lock_acquire($) {	542	sub lock_acquire($) {
310	my ($key) = @_;	543	$LOCKS->guard ($_[0])
311
312	# wait, to be sure we are not locked
313	lock_wait $key;
314
315	$LOCK{$key} = [];
316	$LOCKER{$key} = $Coro::current;#d#
317
318	Coro::guard {
319	delete $LOCKER{$key};#d#
320	# wake up all waiters, to be on the safe side
321	$_->ready for @{ delete $LOCK{$key} };
322	}
323	}	544	}
324		545
325	sub lock_active($) {	546	sub lock_active($) {
326	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	548	}
330		549
331	sub freeze_mainloop {	550	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
333		552
334	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	554	}
336	};	555
337	$TICK_WATCHER->stop;	556	=item cf::periodic $interval, $cb
338	$guard	557
		558	Like EV::periodic, but randomly selects a starting point so that the actions
		559	get spread over time.
		560
		561	=cut
		562
		563	sub periodic($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
339	}	569	}
340		570
341	=item cf::get_slot $time[, $priority[, $name]]	571	=item cf::get_slot $time[, $priority[, $name]]
342		572
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	573	Allocate $time seconds of blocking CPU time at priority C<$priority>
344	This call blocks and returns only when you have at least C<$time> seconds	574	(default: 0): This call blocks and returns only when you have at least
345	of cpu time till the next tick. The slot is only valid till the next cede.	575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority less than zero, interactive jobs
		579	should use 100 or more.
346		580
347	The optional C<$name> can be used to identify the job to run. It might be	581	The optional C<$name> can be used to identify the job to run. It might be
348	used for statistical purposes and should identify the same time-class.	582	used for statistical purposes and should identify the same time-class.
349		583
350	Useful for short background jobs.	584	Useful for short background jobs.
351		585
352	=cut	586	=cut
353		587
354	our @SLOT_QUEUE;	588	our @SLOT_QUEUE;
355	our $SLOT_QUEUE;	589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
356		591
357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
358	$SLOT_QUEUE = Coro::async {	593	$SLOT_QUEUE = Coro::async {
359	$Coro::current->desc ("timeslot manager");	594	$Coro::current->desc ("timeslot manager");
360		595
361	my $signal = new Coro::Signal;	596	my $signal = new Coro::Signal;
		597	my $busy;
362		598
363	while () {	599	while () {
364	next_job:	600	next_job:
		601
		602	Coro::cede;
		603
365	my $avail = cf::till_tick;	604	my $avail = cf::till_tick;
366	if ($avail > 0.01) {	605
367	for (0 .. $#SLOT_QUEUE) {	606	for (0 .. $#SLOT_QUEUE) {
368	if ($SLOT_QUEUE[$_][0] < $avail) {	607	if ($SLOT_QUEUE[$_][0] <= $avail) {
		608	$busy = 0;
369	my $job = splice @SLOT_QUEUE, $_, 1, ();	609	my $job = splice @SLOT_QUEUE, $_, 1, ();
370	$job->[2]->send;	610	$job->[2]->send;
371	Coro::cede;
372	goto next_job;	611	goto next_job;
373	}	612	} else {
		613	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
374	}	614	}
375	}	615	}
376		616
377	if (@SLOT_QUEUE) {	617	if (@SLOT_QUEUE) {
378	# we do not use wait_for_tick() as it returns immediately when tick is inactive	618	wait_for_tick;
379	push @cf::WAIT_FOR_TICK, $signal;
380	$signal->wait;
381	} else {	619	} else {
		620	$busy = 0;
382	Coro::schedule;	621	Coro::schedule;
383	}	622	}
384	}	623	}
385	};	624	};
386		625
387	sub get_slot($;$$) {	626	sub get_slot($;$$) {
		627	return if tick_inhibit || $Coro::current == $Coro::main;
		628
388	my ($time, $pri, $name) = @_;	629	my ($time, $pri, $name) = @_;
389		630
390	$time = $TICK * .6 if $time > $TICK * .6;	631	$time = clamp $time, 0.01, $TICK * .6;
		632
391	my $sig = new Coro::Signal;	633	my $sig = new Coro::Signal;
392		634
393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
395	$SLOT_QUEUE->ready;	637	$SLOT_QUEUE->ready;
…		…
406		648
407	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
408		650
409	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
410		652
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	653	The design of Deliantra requires that the main coroutine ($Coro::main)
412	is always able to handle events or runnable, as Crossfire TRT is only	654	is always able to handle events or runnable, as Deliantra is only
413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	655	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	656	acceptable.
415		657
416	If it must be done, put the blocking parts into C<sync_job>. This will run	658	If it must be done, put the blocking parts into C<sync_job>. This will run
417	the given BLOCK in another coroutine while waiting for the result. The	659	the given BLOCK in another coroutine while waiting for the result. The
…		…
421	=cut	663	=cut
422		664
423	sub sync_job(&) {	665	sub sync_job(&) {
424	my ($job) = @_;	666	my ($job) = @_;
425		667
426	if ($Coro::current == $Coro::main) {	668	if (in_main) {
427	my $time = Event::time;	669	my $time = AE::time;
428		670
429	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
431		673
432	LOG llevError, Carp::longmess "sync job";#d#	674	#LOG llevError, Carp::longmess "sync job";#d#
433		675
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
437		677
438	my $busy = 1;	678	my $busy = 1;
439	my @res;	679	my @res;
440		680
441	(async {	681	(async {
442	$Coro::current->desc ("sync job coro");	682	$Coro::current->desc ("sync job coro");
443	@res = eval { $job->() };	683	@res = eval { $job->() };
444	warn $@ if $@;	684	error $@ if $@;
445	undef $busy;	685	undef $busy;
446	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
447		687
448	while ($busy) {	688	while ($busy) {
449	if (Coro::nready) {	689	if (Coro::nready) {
450	Coro::cede_notself;	690	Coro::cede_notself;
451	} else {	691	} else {
452	Event::one_event;	692	EV::loop EV::LOOP_ONESHOT;
453	}	693	}
454	}	694	}
455		695
456	$time = Event::time - $time;	696	my $time = AE::time - $time;
457		697
458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
460
461	$tick_start += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
462		699
463	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
464	} else {	701	} else {
465	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
466		703
…		…
486	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
487		724
488	$coro	725	$coro
489	}	726	}
490		727
491	=item fork_call { }, $args	728	=item fork_call { }, @args
492		729
493	Executes the given code block with the given arguments in a seperate	730	Executes the given code block with the given arguments in a seperate
494	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
495	Coro::Storable. May, of course, block. Note that the executed sub may	732	Coro::Storable. May, of course, block. Note that the executed sub may
496	never block itself or use any form of Event handling.	733	never block itself or use any form of event handling.
497		734
498	=cut	735	=cut
		736
		737	sub post_fork {
		738	reset_signals;
		739	}
499		740
500	sub fork_call(&@) {	741	sub fork_call(&@) {
501	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
502		743
503	# we seemingly have to make a local copy of the whole thing,
504	# otherwise perl prematurely frees the stuff :/
505	# TODO: investigate and fix (likely this will be rather laborious)
506
507	my @res = Coro::Util::fork_eval {	744	my @res = Coro::Util::fork_eval {
508	reset_signals;	745	cf::post_fork;
509	&$cb	746	&$cb
510	}, @args;	747	} @args;
511		748
512	wantarray ? @res : $res[-1]	749	wantarray ? @res : $res[-1]
		750	}
		751
		752	sub objinfo {
		753	(
		754	"counter value" => cf::object::object_count,
		755	"objects created" => cf::object::create_count,
		756	"objects destroyed" => cf::object::destroy_count,
		757	"freelist size" => cf::object::free_count,
		758	"allocated objects" => cf::object::objects_size,
		759	"active objects" => cf::object::actives_size,
		760	)
		761	}
		762
		763	=item $coin = coin_from_name $name
		764
		765	=cut
		766
		767	our %coin_alias = (
		768	"silver" => "silvercoin",
		769	"silvercoin" => "silvercoin",
		770	"silvercoins" => "silvercoin",
		771	"gold" => "goldcoin",
		772	"goldcoin" => "goldcoin",
		773	"goldcoins" => "goldcoin",
		774	"platinum" => "platinacoin",
		775	"platinumcoin" => "platinacoin",
		776	"platinumcoins" => "platinacoin",
		777	"platina" => "platinacoin",
		778	"platinacoin" => "platinacoin",
		779	"platinacoins" => "platinacoin",
		780	"royalty" => "royalty",
		781	"royalties" => "royalty",
		782	);
		783
		784	sub coin_from_name($) {
		785	$coin_alias{$_[0]}
		786	? cf::arch::find $coin_alias{$_[0]}
		787	: undef
513	}	788	}
514		789
515	=item $value = cf::db_get $family => $key	790	=item $value = cf::db_get $family => $key
516		791
517	Returns a single value from the environment database.	792	Returns a single value from the environment database.
…		…
527	within each server.	802	within each server.
528		803
529	=cut	804	=cut
530		805
531	sub db_table($) {	806	sub db_table($) {
		807	cf::error "db_get called from main context"
		808	if $Coro::current == $Coro::main;
		809
532	my ($name) = @_;	810	my ($name) = @_;
533	my $db = BDB::db_create $DB_ENV;	811	my $db = BDB::db_create $DB_ENV;
534		812
535	eval {	813	eval {
536	$db->set_flags (BDB::CHKSUM);	814	$db->set_flags (BDB::CHKSUM);
…		…
546	}	824	}
547		825
548	our $DB;	826	our $DB;
549		827
550	sub db_init {	828	sub db_init {
551	cf::sync_job {
552	$DB ||= db_table "db";	829	$DB ||= db_table "db";
553	};
554	}	830	}
555		831
556	sub db_get($$) {	832	sub db_get($$) {
557	my $key = "$_[0]/$_[1]";	833	my $key = "$_[0]/$_[1]";
558		834
559	cf::sync_job {	835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
560	BDB::db_get $DB, undef, $key, my $data;	838	BDB::db_get $DB, undef, $key, my $data;
561		839
562	$! ? ()	840	$! ? ()
563	: $data	841	: $data
564	}
565	}	842	}
566		843
567	sub db_put($$$) {	844	sub db_put($$$) {
568	BDB::dbreq_pri 4;	845	BDB::dbreq_pri 4;
569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
597		874
598	my @data;	875	my @data;
599	my $md5;	876	my $md5;
600		877
601	for (0 .. $#$src) {	878	for (0 .. $#$src) {
602	0 <= aio_load $src->[$_], $data[$_]	879	$data[$_] = load_file $src->[$_];
603	or Carp::croak "$src->[$_]: $!";
604	}	880	}
605		881
606	# if processing is expensive, check	882	# if processing is expensive, check
607	# checksum first	883	# checksum first
608	if (1) {	884	if (1) {
…		…
621		897
622	return db_get cache => "$id/data";	898	return db_get cache => "$id/data";
623	}	899	}
624	}	900	}
625		901
626	my $t1 = Time::HiRes::time;	902	my $t1 = EV::time;
627	my $data = $process->(\@data);	903	my $data = $process->(\@data);
628	my $t2 = Time::HiRes::time;	904	my $t2 = EV::time;
629		905
630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
631		907
632	db_put cache => "$id/data", $data;	908	db_put cache => "$id/data", $data;
633	db_put cache => "$id/md5" , $md5;	909	db_put cache => "$id/md5" , $md5;
634	db_put cache => "$id/meta", $meta;	910	db_put cache => "$id/meta", $meta;
635		911
…		…
645		921
646	=cut	922	=cut
647		923
648	sub datalog($@) {	924	sub datalog($@) {
649	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
650	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
651	}	927	}
652		928
653	=back	929	=back
654		930
655	=cut	931	=cut
656		932
657	#############################################################################	933	#############################################################################
658		934
659	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
660		936
661	Many objects in crossfire are so-called attachable objects. That means you can	937	Many objects in deliantra are so-called attachable objects. That means you can
662	attach callbacks/event handlers (a collection of which is called an "attachment")	938	attach callbacks/event handlers (a collection of which is called an "attachment")
663	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
664		940
665	In the following description, CLASS can be any of C<global>, C<object>	941	In the following description, CLASS can be any of C<global>, C<object>
666	C<player>, C<client> or C<map> (i.e. the attachable objects in	942	C<player>, C<client> or C<map> (i.e. the attachable objects in
667	Crossfire TRT).	943	Deliantra).
668		944
669	=over 4	945	=over 4
670		946
671	=item $attachable->attach ($attachment, key => $value...)	947	=item $attachable->attach ($attachment, key => $value...)
672		948
…		…
716	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
717		993
718	Register an attachment by C<$name> through which attachable objects of the	994	Register an attachment by C<$name> through which attachable objects of the
719	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
720		996
721	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
722	that are attached at load/instantiate time, thus the need for a name.	998	that are attached at load/instantiate time, thus the need for a name.
723		999
724	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
725		1001
726	=over 4	1002	=over 4
…		…
850		1126
851	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
852	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
853		1129
854	} elsif (ref $type) {	1130	} elsif (ref $type) {
855	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
856		1132
857	} else {	1133	} else {
858	shift @arg;	1134	shift @arg;
859	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
860	}	1136	}
861	}	1137	}
862	}	1138	}
863		1139
864	sub _object_attach {	1140	sub _object_attach {
…		…
874	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
875	}	1151	}
876		1152
877	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
878	} else {	1154	} else {
879	warn "object uses attachment '$name' which is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
880	}	1156	}
881		1157
882	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
883	}	1159	}
884		1160
…		…
943		1219
944	for (@$callbacks) {	1220	for (@$callbacks) {
945	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
946		1222
947	if ($@) {	1223	if ($@) {
948	warn "$@";
949	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
950	override;	1225	override;
951	}	1226	}
952		1227
953	return 1 if $override;	1228	return 1 if $override;
954	}	1229	}
955		1230
956	0	1231	0
957	}	1232	}
958		1233
959	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
960		1235
961	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
962		1237
963	Generate an object-specific event with the given arguments.	1238	Generate an object-specific event with the given arguments.
964		1239
…		…
1017		1292
1018	sub reattach {	1293	sub reattach {
1019	# basically do the same as instantiate, without calling instantiate	1294	# basically do the same as instantiate, without calling instantiate
1020	my ($obj) = @_;	1295	my ($obj) = @_;
1021		1296
		1297	# no longer needed after getting rid of delete_package?
1022	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1298	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1023		1299
1024	my $registry = $obj->registry;	1300	my $registry = $obj->registry;
1025		1301
1026	@$registry = ();	1302	@$registry = ();
1027		1303
…		…
1032	for (@$attach) {	1308	for (@$attach) {
1033	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
1034	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
1035	}	1311	}
1036	} else {	1312	} else {
1037	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
1038	}	1314	}
1039	}	1315	}
1040	}	1316	}
1041		1317
1042	cf::attachable->attach (	1318	cf::attachable->attach (
1043	prio => -1000000,	1319	prio => -1000000,
1044	on_instantiate => sub {	1320	on_instantiate => sub {
1045	my ($obj, $data) = @_;	1321	my ($obj, $data) = @_;
1046		1322
1047	$data = from_json $data;	1323	$data = decode_json $data;
1048		1324
1049	for (@$data) {	1325	for (@$data) {
1050	my ($name, $args) = @$_;	1326	my ($name, $args) = @$_;
1051		1327
1052	$obj->attach ($name, %{$args || {} });	1328	$obj->attach ($name, %{$args || {} });
…		…
1069	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
1070		1346
1071	sync_job {	1347	sync_job {
1072	if (length $$rdata) {	1348	if (length $$rdata) {
1073	utf8::decode (my $decname = $filename);	1349	utf8::decode (my $decname = $filename);
1074	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
1075	$decname, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
1076		1353
1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1078	chmod SAVE_MODE, $fh;	1355	aio_chmod $fh, SAVE_MODE;
1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1080	aio_fsync $fh if $cf::USE_FSYNC;	1357	if ($cf::USE_FSYNC) {
		1358	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;
		1359	aio_fsync $fh;
		1360	}
1081	close $fh;	1361	aio_close $fh;
1082		1362
1083	if (@$objs) {	1363	if (@$objs) {
1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1364	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1085	chmod SAVE_MODE, $fh;	1365	aio_chmod $fh, SAVE_MODE;
1086	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1087	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
1088	aio_fsync $fh if $cf::USE_FSYNC;	1368	if ($cf::USE_FSYNC) {
		1369	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;
		1370	aio_fsync $fh;
		1371	}
1089	close $fh;	1372	aio_close $fh;
1090	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
1091	}	1374	}
1092	} else {	1375	} else {
1093	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
1094	}	1377	}
1095		1378
1096	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
1097	} else {	1383	} else {
1098	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
1099	}	1385	}
1100	} else {	1386	} else {
1101	aio_unlink $filename;	1387	aio_unlink $filename;
1102	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
1103	}	1389	}
…		…
1122		1408
1123	unless (aio_stat "$filename.pst") {	1409	unless (aio_stat "$filename.pst") {
1124	(aio_load "$filename.pst", $av) >= 0	1410	(aio_load "$filename.pst", $av) >= 0
1125	or return;	1411	or return;
1126		1412
1127	my $st = eval { Coro::Storable::thaw $av }	1413	my $st = eval { Coro::Storable::thaw $av };
1128	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
1129	$av = $st->{objs};	1414	$av = $st->{objs};
1130	}	1415	}
1131		1416
1132	utf8::decode (my $decname = $filename);	1417	utf8::decode (my $decname = $filename);
1133	warn sprintf "loading %s (%d,%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
1134	$decname, length $data, scalar @{$av || []};	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
1135		1421
1136	($data, $av)	1422	($data, $av)
1137	}	1423	}
1138		1424
1139	=head2 COMMAND CALLBACKS	1425	=head2 COMMAND CALLBACKS
…		…
1143	=cut	1429	=cut
1144		1430
1145	#############################################################################	1431	#############################################################################
1146	# command handling &c	1432	# command handling &c
1147		1433
1148	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
1149		1435
1150	Register a callback for execution when the client sends the user command	1436	Register a callback for execution when the client sends the user command
1151	$name.	1437	$name.
1152		1438
1153	=cut	1439	=cut
…		…
1159	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
1160		1446
1161	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
1162	}	1448	}
1163		1449
1164	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
1165		1451
1166	Register a callback for execution when the client sends an (synchronous)	1452	Register a callback for execution when the client sends an (synchronous)
1167	extcmd packet. Ext commands will be processed in the order they are	1453	extcmd packet. Ext commands will be processed in the order they are
1168	received by the server, like other user commands. The first argument is	1454	received by the server, like other user commands. The first argument is
1169	the logged-in player. Ext commands can only be processed after a player	1455	the logged-in player. Ext commands can only be processed after a player
1170	has logged in successfully.	1456	has logged in successfully.
1171		1457
1172	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
1173	called.
1174		1459
		1460	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
		1461
		1462	Same as C<cf::register_extcmd>, but instead of returning values, the
		1463	callback needs to clal the C<$reply> function.
		1464
1175	=item cf::register_exticmd $name => \&callback($ns,$packet);	1465	=item cf::register_exticmd $name => \&callback($ns,@args)
1176		1466
1177	Register a callback for execution when the client sends an (asynchronous)	1467	Register a callback for execution when the client sends an (asynchronous)
1178	exticmd packet. Exti commands are processed by the server as soon as they	1468	exticmd packet. Exti commands are processed by the server as soon as they
1179	are received, i.e. out of order w.r.t. other commands. The first argument	1469	are received, i.e. out of order w.r.t. other commands. The first argument
1180	is a client socket. Exti commands can be received anytime, even before	1470	is a client socket. Exti commands can be received anytime, even before
1181	log-in.	1471	log-in.
1182		1472
1183	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1184	called.
1185		1474
1186	=cut	1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1187		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$reply> function.
		1479
		1480	=cut
		1481
1188	sub register_extcmd {	1482	sub register_extcmd($$) {
1189	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1190		1484
1191	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
1192	}	1486	}
1193		1487
1194	sub register_exticmd {	1488	sub register_async_extcmd($$) {
1195	my ($name, $cb) = @_;	1489	my ($name, $cb) = @_;
1196		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
1197	$EXTICMD{$name} = $cb;	1497	$EXTICMD{$name} = $cb;
1198	}	1498	}
1199		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
1200	cf::player->attach (	1508	cf::player->attach (
1201	on_command => sub {	1509	on_unknown_command => sub {
1202	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
1203		1511
1204	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
1205	or return;	1513	or return;
1206		1514
…		…
1214	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
1215		1523
1216	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1217		1525
1218	if (ref $msg) {	1526	if (ref $msg) {
1219	my ($type, $reply, @payload) =	1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1220	"ARRAY" eq ref $msg
1221	? @$msg
1222	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1223		1528
1224	my @reply;
1225
1226	if (my $cb = $EXTCMD{$type}) {	1529	if (my $cb = $EXTACMD{$type}) {
		1530	$cb->(
		1531	$pl,
		1532	sub {
		1533	$pl->ext_msg ("reply-$reply", @_)
		1534	if $reply;
		1535	},
		1536	@payload
		1537	);
		1538	} else {
		1539	my @reply;
		1540
		1541	if (my $cb = $EXTCMD{$type}) {
1227	@reply = $cb->($pl, @payload);	1542	@reply = $cb->($pl, @payload);
		1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
1228	}	1547	}
1229		1548
1230	$pl->ext_reply ($reply, @reply)
1231	if $reply;
1232
1233	} else {	1549	} else {
1234	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1235	}	1551	}
1236		1552
1237	cf::override;	1553	cf::override;
1238	},	1554	},
1239	);	1555	);
1240		1556
		1557	# "readahead" all extensions
		1558	sub cache_extensions {
		1559	my $grp = IO::AIO::aio_group;
		1560
		1561	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1562	for (grep /\.ext$/, @{$_[0]}) {
		1563	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1564	}
		1565	};
		1566
		1567	$grp
		1568	}
		1569
		1570	sub _ext_cfg_reg($$$$) {
		1571	my ($rvar, $varname, $cfgname, $default) = @_;
		1572
		1573	$cfgname = lc $varname
		1574	unless length $cfgname;
		1575
		1576	$EXT_CFG{$cfgname} = [$rvar, $default];
		1577
		1578	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1579	}
		1580
1241	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
1242	cf::sync_job {	1586	cf::sync_job {
1243	my %todo;	1587	my %todo;
1244		1588
1245	for my $path (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
1246	next unless -r $path;	1590	next unless -r $path;
…		…
1264		1608
1265	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1266	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1267		1611
1268	$ext{source} =	1612	$ext{source} =
1269	"package $pkg; use strict; use utf8;\n"	1613	"package $pkg; use common::sense;\n"
1270	. "#line 1 \"$path\"\n{\n"	1614	. "#line 1 \"$path\"\n{\n"
1271	. $source	1615	. $source
1272	. "\n};\n1";	1616	. "\n};\n1";
1273		1617
1274	$todo{$base} = \%ext;	1618	$todo{$base} = \%ext;
1275	}	1619	}
1276		1620
		1621	my $pass = 0;
1277	my %done;	1622	my %done;
1278	while (%todo) {	1623	while (%todo) {
1279	my $progress;	1624	my $progress;
1280		1625
		1626	++$pass;
		1627
		1628	ext:
1281	while (my ($k, $v) = each %todo) {	1629	while (my ($k, $v) = each %todo) {
1282	for (split /,\s*/, $v->{meta}{depends}) {	1630	for (split /,\s*/, $v->{meta}{depends}) {
1283	goto skip	1631	next ext
1284	unless exists $done{$_};	1632	unless exists $done{$_};
1285	}	1633	}
1286		1634
1287	warn "... loading '$k' into '$v->{pkg}'\n";	1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1288		1636
1289	unless (eval $v->{source}) {	1637	my $source = $v->{source};
		1638
		1639	# support "CONF varname :confname = default" pseudo-statements
		1640	$source =~ s{
		1641	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1642	}{
		1643	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1644	}gmxe;
		1645
		1646	my $active = eval $source;
		1647
		1648	if (length $@) {
1290	my $msg = $@ ? "$v->{path}: $@\n"	1649	error "$v->{path}: $@\n";
1291	: "$v->{base}: extension inactive.\n";
1292		1650
		1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1293	if (exists $v->{meta}{mandatory}) {	1652	if exists $v->{meta}{mandatory};
1294	warn $msg;	1653
1295	warn "mandatory extension failed to load, exiting.\n";	1654	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1296	exit 1;	1655	delete $todo{$k};
1297	}	1656	} else {
1298		1657	$done{$k} = delete $todo{$k};
1299	warn $msg;	1658	push @EXTS, $v->{pkg};
		1659	$progress = 1;
		1660
		1661	info "$v->{base}: extension inactive.\n"
		1662	unless $active;
1300	}	1663	}
1301
1302	$done{$k} = delete $todo{$k};
1303	push @EXTS, $v->{pkg};
1304	$progress = 1;
1305	}	1664	}
1306		1665
1307	skip:	1666	unless ($progress) {
1308	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1309	unless $progress;	1668
		1669	while (my ($k, $v) = each %todo) {
		1670	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1671	if exists $v->{meta}{mandatory};
		1672	}
		1673
		1674	last;
		1675	}
1310	}	1676	}
1311	};	1677	};
1312	}	1678	}
1313		1679
1314	#############################################################################	1680	#############################################################################
1315		1681
1316	=back	1682	=back
1317		1683
1318	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
1319		1685
1320	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
1321		1687
1322	=cut	1688	=cut
1323		1689
1324	package cf::player;	1690	package cf::player;
1325		1691
…		…
1368		1734
1369	sub exists($) {	1735	sub exists($) {
1370	my ($login) = @_;	1736	my ($login) = @_;
1371		1737
1372	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
1373	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1374	}	1740	}
1375		1741
1376	sub find($) {	1742	sub find($) {
1377	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1378	my $login = $_[0];	1744	my $login = $_[0];
…		…
1390	my $f = new_from_file cf::object::thawer path $login	1756	my $f = new_from_file cf::object::thawer path $login
1391	or return;	1757	or return;
1392		1758
1393	my $pl = cf::player::load_pl $f	1759	my $pl = cf::player::load_pl $f
1394	or return;	1760	or return;
		1761
1395	local $cf::PLAYER_LOADING{$login} = $pl;	1762	local $cf::PLAYER_LOADING{$login} = $pl;
1396	$f->resolve_delayed_derefs;	1763	$f->resolve_delayed_derefs;
1397	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1398	}	1765	}
1399	}	1766	}
1400	}	1767	}
1401		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($pl, $path) = @_;
		1772
		1773	# restore slots saved in save, below
		1774	my $slots = delete $pl->{_slots};
		1775
		1776	$pl->ob->current_weapon ($slots->[0]);
		1777	$pl->combat_ob ($slots->[1]);
		1778	$pl->ranged_ob ($slots->[2]);
		1779	},
		1780	);
		1781
1402	sub save($) {	1782	sub save($) {
1403	my ($pl) = @_;	1783	my ($pl) = @_;
1404		1784
1405	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
1406		1786
…		…
1409		1789
1410	return if $pl->{deny_save};	1790	return if $pl->{deny_save};
1411		1791
1412	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1413	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
		1794
		1795	cf::get_slot 0.01;
		1796
		1797	# save slots, to be restored later
		1798	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1414		1799
1415	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1416	cf::cede_to_tick;	1801	cf::cede_to_tick;
1417	}	1802	}
1418		1803
…		…
1450	my ($pl) = @_;	1835	my ($pl) = @_;
1451		1836
1452	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1453		1838
1454	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1455	$pl->password ("*"); # this should lock out the player until we nuked the dir	1840	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1456		1841
1457	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1458	$pl->deactivate;	1843	$pl->deactivate;
		1844
		1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1459	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1460	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1461		1850
1462	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1463	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1464	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1502		1891
1503	for my $login (@$dirs) {	1892	for my $login (@$dirs) {
1504	my $path = path $login;	1893	my $path = path $login;
1505		1894
1506	# a .pst is a dead give-away for a valid player	1895	# a .pst is a dead give-away for a valid player
1507	unless (-e "$path.pst") {	1896	# if no pst file found, open and chekc for blocked users
		1897	if (aio_stat "$path.pst") {
1508	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1898	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1509	aio_read $fh, 0, 512, my $buf, 0 or next;	1899	aio_read $fh, 0, 512, my $buf, 0 or next;
1510	$buf !~ /^password -------------$/m or next; # official not-valid tag	1900	$buf !~ /^password -------------$/m or next; # official not-valid tag
1511	}	1901	}
1512		1902
…		…
1516		1906
1517	\@logins	1907	\@logins
1518	}	1908	}
1519		1909
1520	=item $player->maps	1910	=item $player->maps
		1911
		1912	=item cf::player::maps $login
1521		1913
1522	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1523	player. May block.	1915	player. May block.
1524		1916
1525	=cut	1917	=cut
…		…
1543	}	1935	}
1544		1936
1545	\@paths	1937	\@paths
1546	}	1938	}
1547		1939
1548	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1549		1941
1550	Expand crossfire pod fragments into protocol xml.	1942	Expand deliantra pod fragments into protocol xml.
1551
1552	=cut
1553
1554	sub expand_cfpod {
1555	((my $self), (local $_)) = @_;
1556
1557	# escape & and <
1558	s/&/&amp;/g;
1559	s/(?<![BIUGHT])</&lt;/g;
1560
1561	# this is buggy, it needs to properly take care of nested <'s
1562
1563	1 while
1564	# replace B<>, I<>, U<> etc.
1565	s/B<([^\>]*)>/<b>$1<\/b>/
1566	|| s/I<([^\>]*)>/<i>$1<\/i>/
1567	|| s/U<([^\>]*)>/<u>$1<\/u>/
1568	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1569	# replace G<male|female> tags
1570	|| s{G<([^>|]*)\|([^>]*)>}{
1571	$self->gender ? $2 : $1
1572	}ge
1573	# replace H<hint text>
1574	|| s{H<([^\>]*)>}
1575	{
1576	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1577	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1578	"")
1579	[$self->{hintmode}]
1580	}ge;
1581
1582	# create single paragraphs (very hackish)
1583	s/(?<=\S)\n(?=\w)/ /g;
1584
1585	# compress some whitespace
1586	s/\s+\n/\n/g; # ws line-ends
1587	s/\n\n+/\n/g; # double lines
1588	s/^\n+//; # beginning lines
1589	s/\n+$//; # ending lines
1590
1591	$_
1592	}
1593
1594	sub hintmode {
1595	$_[0]{hintmode} = $_[1] if @_ > 1;
1596	$_[0]{hintmode}
1597	}
1598
1599	=item $player->ext_reply ($msgid, @msg)
1600
1601	Sends an ext reply to the player.
1602
1603	=cut
1604
1605	sub ext_reply($$@) {
1606	my ($self, $id, @msg) = @_;
1607
1608	$self->ns->ext_reply ($id, @msg)
1609	}
1610		1943
1611	=item $player->ext_msg ($type, @msg)	1944	=item $player->ext_msg ($type, @msg)
1612		1945
1613	Sends an ext event to the client.	1946	Sends an ext event to the client.
1614		1947
…		…
1634		1967
1635	=cut	1968	=cut
1636		1969
1637	sub find_by_path($) {	1970	sub find_by_path($) {
1638	my ($path) = @_;	1971	my ($path) = @_;
		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
1639		1974
1640	my ($match, $specificity);	1975	my ($match, $specificity);
1641		1976
1642	for my $region (list) {	1977	for my $region (list) {
1643	if ($region->{match} && $path =~ $region->{match}) {	1978	if ($region->{match} && $path =~ $region->{match}) {
…		…
1669	our $MAX_RESET = 3600;	2004	our $MAX_RESET = 3600;
1670	our $DEFAULT_RESET = 3000;	2005	our $DEFAULT_RESET = 3000;
1671		2006
1672	sub generate_random_map {	2007	sub generate_random_map {
1673	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1674	# mit "rum" bekleckern, nicht	2009
		2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2011
1675	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1676	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1677	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1678	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1679	$rmp->{exit_on_final_map},
1680	$rmp->{xsize}, $rmp->{ysize},
1681	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1682	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1683	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1684	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1685	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1686	(cf::region::find $rmp->{region}), $rmp->{custom}
1687	)
1688	}	2013	}
1689		2014
1690	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1691		2016
1692	Register a handler for the map path matching the given regex at the	2017	Register a handler for the map path matching the given regex at the
…		…
1697		2022
1698	sub register {	2023	sub register {
1699	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1700	my $pkg = caller;	2025	my $pkg = caller;
1701		2026
1702	no strict;
1703	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1704		2028
1705	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1706	}	2030	}
1707		2031
1708	# also paths starting with '/'	2032	# also paths starting with '/'
1709	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1710		2034
1711	sub thawer_merge {	2035	sub thawer_merge {
1712	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1713		2037
1714	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
…		…
1719	}	2043	}
1720		2044
1721	sub normalise {	2045	sub normalise {
1722	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1723		2047
1724	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1725		2049
1726	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1727		2051
1728	# map plan:	2052	# map plan:
1729	#	2053	#
…		…
1744	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1745	$path = "$base/$path";	2069	$path = "$base/$path";
1746	}	2070	}
1747		2071
1748	for ($path) {	2072	for ($path) {
1749	redo if s{//}{/};
1750	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1751	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1752	}	2075	}
1753		2076
1754	$path	2077	$path
…		…
1768	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1769	return $self;	2092	return $self;
1770	}	2093	}
1771	}	2094	}
1772		2095
1773	Carp::cluck "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1774	()	2097	()
1775	}	2098	}
1776		2099
		2100	# may re-bless or do other evil things
1777	sub init {	2101	sub init {
1778	my ($self) = @_;	2102	my ($self) = @_;
1779		2103
1780	$self	2104	$self
1781	}	2105	}
…		…
1800		2124
1801	# the temporary/swap location	2125	# the temporary/swap location
1802	sub save_path {	2126	sub save_path {
1803	my ($self) = @_;	2127	my ($self) = @_;
1804		2128
1805	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2129	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1806	"$TMPDIR/$path.map"	2130	"$TMPDIR/$path.map"
1807	}	2131	}
1808		2132
1809	# the unique path, undef == no special unique path	2133	# the unique path, undef == no special unique path
1810	sub uniq_path {	2134	sub uniq_path {
1811	my ($self) = @_;	2135	my ($self) = @_;
1812		2136
1813	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1814	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1815	}
1816
1817	# and all this just because we cannot iterate over
1818	# all maps in C++...
1819	sub change_all_map_light {
1820	my ($change) = @_;
1821
1822	$_->change_map_light ($change)
1823	for grep $_->outdoor, values %cf::MAP;
1824	}	2139	}
1825		2140
1826	sub decay_objects {	2141	sub decay_objects {
1827	my ($self) = @_;	2142	my ($self) = @_;
1828		2143
…		…
1855	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1856		2171
1857	1	2172	1
1858	}	2173	}
1859		2174
		2175	# used to laod the header of an original map
1860	sub load_header_orig {	2176	sub load_header_orig {
1861	my ($self) = @_;	2177	my ($self) = @_;
1862		2178
1863	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1864	}	2180	}
1865		2181
		2182	# used to laod the header of an instantiated map
1866	sub load_header_temp {	2183	sub load_header_temp {
1867	my ($self) = @_;	2184	my ($self) = @_;
1868		2185
1869	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1870	}	2187	}
1871		2188
		2189	# called after loading the header from an instantiated map
1872	sub prepare_temp {	2190	sub prepare_temp {
1873	my ($self) = @_;	2191	my ($self) = @_;
1874		2192
1875	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1876	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1877	# safety	2195	# safety
1878	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1879	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1880	}	2198	}
1881		2199
		2200	# called after loading the header from an original map
1882	sub prepare_orig {	2201	sub prepare_orig {
1883	my ($self) = @_;	2202	my ($self) = @_;
1884		2203
1885	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1886	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1910		2229
1911	sub find;	2230	sub find;
1912	sub find {	2231	sub find {
1913	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1914		2233
		2234	cf::cede_to_tick;
		2235
1915	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1916		2237
1917	cf::lock_wait "map_data:$path";#d#remove	2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1918	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1919		2240
1920	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1921	my $guard1 = cf::lock_acquire "map_find:$path";
1922	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1923
1924	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1925	or return;	2243	or return;
1926		2244
1927	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1928		2246
…		…
1930	or return;	2248	or return;
1931		2249
1932	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2250	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1933	# doing this can freeze the server in a sync job, obviously	2251	# doing this can freeze the server in a sync job, obviously
1934	#$cf::WAIT_FOR_TICK->wait;	2252	#$cf::WAIT_FOR_TICK->wait;
		2253	undef $guard2;
1935	undef $guard1;	2254	undef $guard1;
1936	undef $guard2;
1937	$map->reset;	2255	$map->reset;
1938	return find $path;	2256	return find $path;
1939	}	2257	}
1940		2258
1941	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1942	}	2260	}
1943	}	2261	}
1944		2262
1945	sub pre_load { }	2263	sub pre_load { }
1946	sub post_load { }	2264	#sub post_load { } # XS
1947		2265
1948	sub load {	2266	sub load {
1949	my ($self) = @_;	2267	my ($self) = @_;
1950		2268
1951	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1954		2272
1955	{	2273	{
1956	my $guard = cf::lock_acquire "map_data:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
1957		2275
1958	return unless $self->valid;	2276	return unless $self->valid;
1959	return unless $self->in_memory == cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
1960
1961	$self->in_memory (cf::MAP_LOADING);
1962		2278
1963	$self->alloc;	2279	$self->alloc;
1964		2280
1965	$self->pre_load;	2281	$self->pre_load;
1966	cf::cede_to_tick;	2282	cf::cede_to_tick;
1967		2283
		2284	if (exists $self->{load_path}) {
1968	my $f = new_from_file cf::object::thawer $self->{load_path};	2285	my $f = new_from_file cf::object::thawer $self->{load_path};
1969	$f->skip_block;	2286	$f->skip_block;
1970	$self->_load_objects ($f)	2287	$self->_load_objects ($f)
1971	or return;	2288	or return;
1972		2289
1973	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
1974	if delete $self->{load_original};	2291	if delete $self->{load_original};
1975		2292
1976	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
1977	utf8::encode $uniq;	2294	utf8::encode $uniq;
1978	unless (aio_stat $uniq) {	2295	unless (aio_stat $uniq) {
1979	if (my $f = new_from_file cf::object::thawer $uniq) {	2296	if (my $f = new_from_file cf::object::thawer $uniq) {
1980	$self->clear_unique_items;	2297	$self->clear_unique_items;
1981	$self->_load_objects ($f);	2298	$self->_load_objects ($f);
1982	$f->resolve_delayed_derefs;	2299	$f->resolve_delayed_derefs;
		2300	}
1983	}	2301	}
1984	}	2302	}
1985	}
1986		2303
1987	$f->resolve_delayed_derefs;	2304	$f->resolve_delayed_derefs;
		2305	} else {
		2306	$self->post_load_original
		2307	if delete $self->{load_original};
		2308	}
		2309
		2310	$self->state (cf::MAP_INACTIVE);
1988		2311
1989	cf::cede_to_tick;	2312	cf::cede_to_tick;
1990	# now do the right thing for maps	2313	# now do the right thing for maps
1991	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
1992	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
…		…
1996	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
1997	$self->decay_objects;	2320	$self->decay_objects;
1998	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
1999	$self->update_buttons;	2322	$self->update_buttons;
2000	cf::cede_to_tick;	2323	cf::cede_to_tick;
2001	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
2002	cf::cede_to_tick;
2003	$self->activate;
2004	}	2325	}
2005		2326
2006	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
2007	$self->last_access ($cf::RUNTIME);	2328	$self->last_access ($cf::RUNTIME);
2008
2009	$self->in_memory (cf::MAP_IN_MEMORY);
2010	}	2329	}
2011		2330
2012	$self->post_load;	2331	$self->post_load;
2013	}
2014		2332
		2333	1
		2334	}
		2335
		2336	# customize the map for a given player, i.e.
		2337	# return the _real_ map. used by e.g. per-player
		2338	# maps to change the path to ~playername/mappath
2015	sub customise_for {	2339	sub customise_for {
2016	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
2017		2341
2018	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
2019	if $self->per_player;	2343	if $self->per_player;
…		…
2022	# if $self->per_party;	2346	# if $self->per_party;
2023		2347
2024	$self	2348	$self
2025	}	2349	}
2026		2350
2027	# find and load all maps in the 3x3 area around a map
2028	sub load_neighbours {
2029	my ($map) = @_;
2030
2031	my @neigh; # diagonal neighbours
2032
2033	for (0 .. 3) {
2034	my $neigh = $map->tile_path ($_)
2035	or next;
2036	$neigh = find $neigh, $map
2037	or next;
2038	$neigh->load;
2039
2040	push @neigh,
2041	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2042	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2043	}
2044
2045	for (grep defined $_->[0], @neigh) {
2046	my ($path, $origin) = @$_;
2047	my $neigh = find $path, $origin
2048	or next;
2049	$neigh->load;
2050	}
2051	}
2052
2053	sub find_sync {	2351	sub find_sync {
2054	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
2055		2353
2056	cf::sync_job { find $path, $origin }	2354	# it's a bug to call this from the main context
		2355	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2356	if $Coro::current == $Coro::main;
		2357
		2358	find $path, $origin
2057	}	2359	}
2058		2360
2059	sub do_load_sync {	2361	sub do_load_sync {
2060	my ($map) = @_;	2362	my ($map) = @_;
2061		2363
		2364	# it's a bug to call this from the main context
2062	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2063	if $Coro::current == $Coro::main;	2366	if $Coro::current == $Coro::main;
2064		2367
2065	cf::sync_job { $map->load };	2368	$map->load;
2066	}	2369	}
2067		2370
2068	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
2069	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
2070		2373
2071	sub find_async {	2374	sub find_async {
2072	my ($path, $origin, $load) = @_;	2375	my ($path, $origin, $load) = @_;
2073		2376
2074	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
2075		2378
2076	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
2077	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2380	return $map if !$load || $map->linkable;
2078	}	2381	}
2079		2382
2080	$MAP_PREFETCH{$path} |= $load;	2383	$MAP_PREFETCH{$path} |= $load;
2081		2384
2082	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
…		…
2096	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
2097		2400
2098	()	2401	()
2099	}	2402	}
2100		2403
		2404	# common code, used by both ->save and ->swapout
2101	sub save {	2405	sub _save {
2102	my ($self) = @_;	2406	my ($self) = @_;
2103
2104	my $lock = cf::lock_acquire "map_data:$self->{path}";
2105		2407
2106	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
2107		2409
2108	return unless $self->dirty;	2410	return unless $self->dirty;
2109		2411
…		…
2118		2420
2119	cf::async {	2421	cf::async {
2120	$Coro::current->{desc} = "map player save";	2422	$Coro::current->{desc} = "map player save";
2121	$_->contr->save for $self->players;	2423	$_->contr->save for $self->players;
2122	};	2424	};
		2425
		2426	cf::get_slot 0.02;
2123		2427
2124	if ($uniq) {	2428	if ($uniq) {
2125	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2429	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2126	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2430	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2127	} else {	2431	} else {
2128	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2432	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2129	}	2433	}
2130	}	2434	}
2131		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
2132	sub swap_out {	2444	sub swap_out {
2133	my ($self) = @_;	2445	my ($self) = @_;
2134		2446
2135	# save first because save cedes
2136	$self->save;
2137
2138	my $lock = cf::lock_acquire "map_data:$self->{path}";	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
2139		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
2140	return if $self->players;	2451	return if $self->players;
2141	return if $self->in_memory != cf::MAP_IN_MEMORY;	2452
		2453	# first deactivate the map and "unlink" it from the core
		2454	$self->deactivate;
		2455	$_->clear_links_to ($self) for values %cf::MAP;
		2456	$self->state (cf::MAP_SWAPPED);
		2457
		2458	# then atomically save
		2459	$self->_save;
		2460
		2461	# then free the map
		2462	$self->clear;
		2463	}
		2464
		2465	sub reset_at {
		2466	my ($self) = @_;
		2467
		2468	# TODO: safety, remove and allow resettable per-player maps
2142	return if $self->{deny_save};	2469	return 1e99 if $self->{deny_reset};
2143		2470
		2471	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2472	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2473
		2474	$time + $to
		2475	}
		2476
		2477	sub should_reset {
		2478	my ($self) = @_;
		2479
		2480	$self->reset_at <= $cf::RUNTIME
		2481	}
		2482
		2483	sub reset {
		2484	my ($self) = @_;
		2485
		2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2487
		2488	return if $self->players;
		2489
		2490	cf::trace "resetting map ", $self->path, "\n";
		2491
2144	$self->in_memory (cf::MAP_SWAPPED);	2492	$self->state (cf::MAP_SWAPPED);
		2493
		2494	# need to save uniques path
		2495	unless ($self->{deny_save}) {
		2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2497
		2498	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2499	if $uniq;
		2500	}
		2501
		2502	delete $cf::MAP{$self->path};
2145		2503
2146	$self->deactivate;	2504	$self->deactivate;
2147	$_->clear_links_to ($self) for values %cf::MAP;	2505	$_->clear_links_to ($self) for values %cf::MAP;
2148	$self->clear;	2506	$self->clear;
2149	}
2150
2151	sub reset_at {
2152	my ($self) = @_;
2153
2154	# TODO: safety, remove and allow resettable per-player maps
2155	return 1e99 if $self->{deny_reset};
2156
2157	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2158	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2159
2160	$time + $to
2161	}
2162
2163	sub should_reset {
2164	my ($self) = @_;
2165
2166	$self->reset_at <= $cf::RUNTIME
2167	}
2168
2169	sub reset {
2170	my ($self) = @_;
2171
2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
2173
2174	return if $self->players;
2175
2176	warn "resetting map ", $self->path;
2177
2178	$self->in_memory (cf::MAP_SWAPPED);
2179
2180	# need to save uniques path
2181	unless ($self->{deny_save}) {
2182	my $uniq = $self->uniq_path; utf8::encode $uniq;
2183
2184	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2185	if $uniq;
2186	}
2187
2188	delete $cf::MAP{$self->path};
2189
2190	$self->deactivate;
2191	$_->clear_links_to ($self) for values %cf::MAP;
2192	$self->clear;
2193		2507
2194	$self->unlink_save;	2508	$self->unlink_save;
2195	$self->destroy;	2509	$self->destroy;
2196	}	2510	}
2197		2511
…		…
2205		2519
2206	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
2207		2521
2208	$self->unlink_save;	2522	$self->unlink_save;
2209		2523
2210	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
2211	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
2212	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
2213	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
2214	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2215		2529
…		…
2264		2578
2265	sub unique_maps() {	2579	sub unique_maps() {
2266	[	2580	[
2267	map {	2581	map {
2268	utf8::decode $_;	2582	utf8::decode $_;
2269	/\.map$/	2583	s/\.map$//; # TODO future compatibility hack
		2584	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2585	? ()
2270	? normalise $_	2586	: normalise $_
2271	: ()
2272	} @{ aio_readdir $UNIQUEDIR or [] }	2587	} @{ aio_readdir $UNIQUEDIR or [] }
2273	]	2588	]
2274	}	2589	}
2275		2590
2276	package cf;	2591	=item cf::map::static_maps
		2592
		2593	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2594	file in the shared directory excluding F</styles> and F</editor>). May
		2595	block.
		2596
		2597	=cut
		2598
		2599	sub static_maps() {
		2600	my @dirs = "";
		2601	my @maps;
		2602
		2603	while (@dirs) {
		2604	my $dir = shift @dirs;
		2605
		2606	next if $dir eq "/styles" || $dir eq "/editor";
		2607
		2608	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2609	or return;
		2610
		2611	for (@$files) {
		2612	s/\.map$// or next;
		2613	utf8::decode $_;
		2614	push @maps, "$dir/$_";
		2615	}
		2616
		2617	push @dirs, map "$dir/$_", @$dirs;
		2618	}
		2619
		2620	\@maps
		2621	}
2277		2622
2278	=back	2623	=back
2279		2624
2280	=head3 cf::object	2625	=head3 cf::object
2281		2626
…		…
2285		2630
2286	=over 4	2631	=over 4
2287		2632
2288	=item $ob->inv_recursive	2633	=item $ob->inv_recursive
2289		2634
2290	Returns the inventory of the object _and_ their inventories, recursively.	2635	Returns the inventory of the object I<and> their inventories, recursively,
		2636	but I<not> the object itself.
2291		2637
2292	=cut	2638	=cut
2293		2639
2294	sub inv_recursive_;	2640	sub inv_recursive_;
2295	sub inv_recursive_ {	2641	sub inv_recursive_ {
…		…
2300	inv_recursive_ inv $_[0]	2646	inv_recursive_ inv $_[0]
2301	}	2647	}
2302		2648
2303	=item $ref = $ob->ref	2649	=item $ref = $ob->ref
2304		2650
2305	creates and returns a persistent reference to an objetc that can be stored as a string.	2651	Creates and returns a persistent reference to an object that can be stored as a string.
2306		2652
2307	=item $ob = cf::object::deref ($refstring)	2653	=item $ob = cf::object::deref ($refstring)
2308		2654
2309	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2655	returns the objetc referenced by refstring. may return undef when it cannot find the object,
2310	even if the object actually exists. May block.	2656	even if the object actually exists. May block.
2311		2657
2312	=cut	2658	=cut
2313		2659
2314	sub deref {	2660	sub deref {
…		…
2342	can be C<undef>. Does the right thing when the player is currently in a	2688	can be C<undef>. Does the right thing when the player is currently in a
2343	dialogue with the given NPC character.	2689	dialogue with the given NPC character.
2344		2690
2345	=cut	2691	=cut
2346		2692
		2693	our $SAY_CHANNEL = {
		2694	id => "say",
		2695	title => "Map",
		2696	reply => "say ",
		2697	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2698	};
		2699
		2700	our $CHAT_CHANNEL = {
		2701	id => "chat",
		2702	title => "Chat",
		2703	reply => "chat ",
		2704	tooltip => "Player chat and shouts, global to the server.",
		2705	};
		2706
2347	# rough implementation of a future "reply" method that works	2707	# rough implementation of a future "reply" method that works
2348	# with dialog boxes.	2708	# with dialog boxes.
2349	#TODO: the first argument must go, split into a $npc->reply_to ( method	2709	#TODO: the first argument must go, split into a $npc->reply_to ( method
2350	sub cf::object::player::reply($$$;$) {	2710	sub cf::object::player::reply($$$;$) {
2351	my ($self, $npc, $msg, $flags) = @_;	2711	my ($self, $npc, $msg, $flags) = @_;
…		…
2362	my $dialog = $pl->{npc_dialog};	2722	my $dialog = $pl->{npc_dialog};
2363	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2723	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2364		2724
2365	} else {	2725	} else {
2366	$msg = $npc->name . " says: $msg" if $npc;	2726	$msg = $npc->name . " says: $msg" if $npc;
2367	$self->message ($msg, $flags);	2727	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2368	}	2728	}
2369	}	2729	}
2370	}	2730	}
2371		2731
2372	=item $object->send_msg ($channel, $msg, $color, [extra...])	2732	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2397		2757
2398	=item $player_object->enter_link	2758	=item $player_object->enter_link
2399		2759
2400	Freezes the player and moves him/her to a special map (C<{link}>).	2760	Freezes the player and moves him/her to a special map (C<{link}>).
2401		2761
2402	The player should be reasonably safe there for short amounts of time. You	2762	The player should be reasonably safe there for short amounts of time (e.g.
2403	I<MUST> call C<leave_link> as soon as possible, though.	2763	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2764	though, as the player cannot control the character while it is on the link
		2765	map.
2404		2766
2405	Will never block.	2767	Will never block.
2406		2768
2407	=item $player_object->leave_link ($map, $x, $y)	2769	=item $player_object->leave_link ($map, $x, $y)
2408		2770
…		…
2428	sub cf::object::player::enter_link {	2790	sub cf::object::player::enter_link {
2429	my ($self) = @_;	2791	my ($self) = @_;
2430		2792
2431	$self->deactivate_recursive;	2793	$self->deactivate_recursive;
2432		2794
		2795	++$self->{_link_recursion};
		2796
2433	return if UNIVERSAL::isa $self->map, "ext::map_link";	2797	return if UNIVERSAL::isa $self->map, "ext::map_link";
2434		2798
2435	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2436	if $self->map && $self->map->{path} ne "{link}";	2800	if $self->map && $self->map->{path} ne "{link}";
2437		2801
2438	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2802	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2439	}	2803	}
2440		2804
2441	sub cf::object::player::leave_link {	2805	sub cf::object::player::leave_link {
2442	my ($self, $map, $x, $y) = @_;	2806	my ($self, $map, $x, $y) = @_;
2443		2807
…		…
2460	($x, $y) = (-1, -1)	2824	($x, $y) = (-1, -1)
2461	unless (defined $x) && (defined $y);	2825	unless (defined $x) && (defined $y);
2462		2826
2463	# use -1 or undef as default coordinates, not 0, 0	2827	# use -1 or undef as default coordinates, not 0, 0
2464	($x, $y) = ($map->enter_x, $map->enter_y)	2828	($x, $y) = ($map->enter_x, $map->enter_y)
2465	if $x <=0 && $y <= 0;	2829	if $x <= 0 && $y <= 0;
2466		2830
2467	$map->load;	2831	$map->load;
2468	$map->load_neighbours;
2469		2832
2470	return unless $self->contr->active;	2833	return unless $self->contr->active;
2471	$self->activate_recursive;
2472		2834
2473	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2474	$self->enter_map ($map, $x, $y);	2836	if ($self->enter_map ($map, $x, $y)) {
2475	}	2837	# entering was successful
		2838	delete $self->{_link_recursion};
		2839	# only activate afterwards, to support waiting in hooks
		2840	$self->activate_recursive;
		2841	}
2476		2842
		2843	}
		2844
2477	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2845	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2478		2846
2479	Moves the player to the given map-path and coordinates by first freezing	2847	Moves the player to the given map-path and coordinates by first freezing
2480	her, loading and preparing them map, calling the provided $check callback	2848	her, loading and preparing them map, calling the provided $check callback
2481	that has to return the map if sucecssful, and then unfreezes the player on	2849	that has to return the map if sucecssful, and then unfreezes the player on
2482	the new (success) or old (failed) map position. In either case, $done will	2850	the new (success) or old (failed) map position. In either case, $done will
2483	be called at the end of this process.	2851	be called at the end of this process.
2484		2852
		2853	Note that $check will be called with a potentially non-loaded map, so if
		2854	it needs a loaded map it has to call C<< ->load >>.
		2855
2485	=cut	2856	=cut
2486		2857
2487	our $GOTOGEN;	2858	our $GOTOGEN;
2488		2859
2489	sub cf::object::player::goto {	2860	sub cf::object::player::goto {
2490	my ($self, $path, $x, $y, $check, $done) = @_;	2861	my ($self, $path, $x, $y, $check, $done) = @_;
		2862
		2863	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2864	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2865	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2866	($path, $x, $y) = @$EMERGENCY_POSITION;
		2867	}
2491		2868
2492	# do generation counting so two concurrent goto's will be executed in-order	2869	# do generation counting so two concurrent goto's will be executed in-order
2493	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2870	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2494		2871
2495	$self->enter_link;	2872	$self->enter_link;
…		…
2515	($path, $x, $y) = (undef, undef, undef);	2892	($path, $x, $y) = (undef, undef, undef);
2516	}	2893	}
2517	}	2894	}
2518		2895
2519	my $map = eval {	2896	my $map = eval {
2520	my $map = defined $path ? cf::map::find $path : undef;	2897	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2521		2898
2522	if ($map) {	2899	if ($map) {
2523	$map = $map->customise_for ($self);	2900	$map = $map->customise_for ($self);
2524	$map = $check->($map) if $check && $map;	2901	$map = $check->($map, $x, $y, $self) if $check && $map;
2525	} else {	2902	} else {
2526	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2903	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2527	}	2904	}
2528		2905
2529	$map	2906	$map
…		…
2537	if ($gen == $self->{_goto_generation}) {	2914	if ($gen == $self->{_goto_generation}) {
2538	delete $self->{_goto_generation};	2915	delete $self->{_goto_generation};
2539	$self->leave_link ($map, $x, $y);	2916	$self->leave_link ($map, $x, $y);
2540	}	2917	}
2541		2918
2542	$done->() if $done;	2919	$done->($self) if $done;
2543	})->prio (1);	2920	})->prio (1);
2544	}	2921	}
2545		2922
2546	=item $player_object->enter_exit ($exit_object)	2923	=item $player_object->enter_exit ($exit_object)
2547		2924
…		…
2567	}	2944	}
2568		2945
2569	sub prepare_random_map {	2946	sub prepare_random_map {
2570	my ($exit) = @_;	2947	my ($exit) = @_;
2571		2948
2572	my $guard = cf::lock_acquire "exit_prepare:$exit";
2573
2574	# all this does is basically replace the /! path by	2949	# all this does is basically replace the /! path by
2575	# a new random map path (?random/...) with a seed	2950	# a new random map path (?random/...) with a seed
2576	# that depends on the exit object	2951	# that depends on the exit object
2577		2952
2578	my $rmp = parse_random_map_params $exit->msg;	2953	my $rmp = parse_random_map_params $exit->msg;
…		…
2580	if ($exit->map) {	2955	if ($exit->map) {
2581	$rmp->{region} = $exit->region->name;	2956	$rmp->{region} = $exit->region->name;
2582	$rmp->{origin_map} = $exit->map->path;	2957	$rmp->{origin_map} = $exit->map->path;
2583	$rmp->{origin_x} = $exit->x;	2958	$rmp->{origin_x} = $exit->x;
2584	$rmp->{origin_y} = $exit->y;	2959	$rmp->{origin_y} = $exit->y;
		2960
		2961	$exit->map->touch;
2585	}	2962	}
2586		2963
2587	$rmp->{random_seed} ||= $exit->random_seed;	2964	$rmp->{random_seed} ||= $exit->random_seed;
2588		2965
2589	my $data = cf::to_json $rmp;	2966	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2590	my $md5 = Digest::MD5::md5_hex $data;	2967	my $md5 = Digest::MD5::md5_hex $data;
2591	my $meta = "$RANDOMDIR/$md5.meta";	2968	my $meta = "$RANDOMDIR/$md5.meta";
2592		2969
2593	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2970	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2594	aio_write $fh, 0, (length $data), $data, 0;	2971	aio_write $fh, 0, (length $data), $data, 0;
2595	undef $fh;	2972	undef $fh;
2596	aio_rename "$meta~", $meta;	2973	aio_rename "$meta~", $meta;
2597		2974
		2975	my $slaying = "?random/$md5";
		2976
		2977	if ($exit->valid) {
2598	$exit->slaying ("?random/$md5");	2978	$exit->slaying ("?random/$md5");
2599	$exit->msg (undef);	2979	$exit->msg (undef);
		2980	}
2600	}	2981	}
2601	}	2982	}
2602		2983
2603	sub cf::object::player::enter_exit {	2984	sub cf::object::player::enter_exit {
2604	my ($self, $exit) = @_;	2985	my ($self, $exit) = @_;
2605		2986
2606	return unless $self->type == cf::PLAYER;	2987	return unless $self->type == cf::PLAYER;
2607		2988
2608	if ($exit->slaying eq "/!") {
2609	#TODO: this should de-fi-ni-te-ly not be a sync-job
2610	# the problem is that $exit might not survive long enough
2611	# so it needs to be done right now, right here
2612	cf::sync_job { prepare_random_map $exit };
2613	}
2614
2615	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2616	my $hp = $exit->stats->hp;
2617	my $sp = $exit->stats->sp;
2618
2619	$self->enter_link;	2989	$self->enter_link;
2620		2990
2621	# if exit is damned, update players death & WoR home-position
2622	$self->contr->savebed ($slaying, $hp, $sp)
2623	if $exit->flag (FLAG_DAMNED);
2624
2625	(async {	2991	(async {
2626	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2992	$Coro::current->{desc} = "enter_exit";
2627		2993
2628	$self->deactivate_recursive; # just to be sure
2629	unless (eval {	2994	unless (eval {
		2995	$self->deactivate_recursive; # just to be sure
		2996
		2997	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2998	my $x = $exit->stats->hp;
		2999	my $y = $exit->stats->sp;
		3000
		3001	# special map handling
		3002	my $slaying = $exit->slaying;
		3003
		3004	# special map handling
		3005	if ($slaying eq "/!") {
		3006	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3007
		3008	prepare_random_map $exit
		3009	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3010
		3011	$map = $exit->slaying;
		3012
		3013	} elsif ($slaying eq '!up') {
		3014	$map = $exit->map->tile_path (cf::TILE_UP);
		3015	$x = $exit->x;
		3016	$y = $exit->y;
		3017
		3018	} elsif ($slaying eq '!down') {
		3019	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3020	$x = $exit->x;
		3021	$y = $exit->y;
		3022	}
		3023
2630	$self->goto ($slaying, $hp, $sp);	3024	$self->goto ($map, $x, $y);
2631		3025
		3026	# if exit is damned, update players death & WoR home-position
		3027	$self->contr->savebed ($map, $x, $y)
		3028	if $exit->flag (cf::FLAG_DAMNED);
		3029
2632	1;	3030	1
2633	}) {	3031	}) {
2634	$self->message ("Something went wrong deep within the crossfire server. "	3032	$self->message ("Something went wrong deep within the deliantra server. "
2635	. "I'll try to bring you back to the map you were before. "	3033	. "I'll try to bring you back to the map you were before. "
2636	. "Please report this to the dungeon master!",	3034	. "Please report this to the dungeon master!",
2637	cf::NDI_UNIQUE | cf::NDI_RED);	3035	cf::NDI_UNIQUE | cf::NDI_RED);
2638		3036
2639	warn "ERROR in enter_exit: $@";	3037	error "ERROR in enter_exit: $@";
2640	$self->leave_link;	3038	$self->leave_link;
2641	}	3039	}
2642	})->prio (1);	3040	})->prio (1);
2643	}	3041	}
2644		3042
2645	=head3 cf::client	3043	=head3 cf::client
2646		3044
2647	=over 4	3045	=over 4
2648		3046
2649	=item $client->send_drawinfo ($text, $flags)	3047	=item $client->send_big_packet ($pkt)
2650		3048
2651	Sends a drawinfo packet to the client. Circumvents output buffering so	3049	Like C<send_packet>, but tries to compress large packets, and fragments
2652	should not be used under normal circumstances.	3050	them as required.
2653		3051
2654	=cut	3052	=cut
2655		3053
		3054	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3055
2656	sub cf::client::send_drawinfo {	3056	sub cf::client::send_big_packet {
2657	my ($self, $text, $flags) = @_;	3057	my ($self, $pkt) = @_;
2658		3058
2659	utf8::encode $text;	3059	# try lzf for large packets
2660	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3060	$pkt = "lzf " . Compress::LZF::compress $pkt
		3061	if 1024 <= length $pkt and $self->{can_lzf};
		3062
		3063	# split very large packets
		3064	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3065	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3066	$pkt = "frag";
		3067	}
		3068
		3069	$self->send_packet ($pkt);
2661	}	3070	}
2662		3071
2663	=item $client->send_msg ($channel, $msg, $color, [extra...])	3072	=item $client->send_msg ($channel, $msg, $color, [extra...])
2664		3073
2665	Send a drawinfo or msg packet to the client, formatting the msg for the	3074	Send a msg packet to the client, formatting the msg for the client if
2666	client if neccessary. C<$type> should be a string identifying the type of	3075	necessary. C<$type> should be a string identifying the type of the
2667	the message, with C<log> being the default. If C<$color> is negative, suppress	3076	message, with C<log> being the default. If C<$color> is negative, suppress
2668	the message unless the client supports the msg packet.	3077	the message unless the client supports the msg packet.
2669		3078
2670	=cut	3079	=cut
2671		3080
		3081	# non-persistent channels (usually the info channel)
2672	our %CHANNEL = (	3082	our %CHANNEL = (
		3083	"c/motd" => {
		3084	id => "infobox",
		3085	title => "MOTD",
		3086	reply => undef,
		3087	tooltip => "The message of the day",
		3088	},
2673	"c/identify" => {	3089	"c/identify" => {
2674	id => "infobox",	3090	id => "infobox",
2675	title => "Identify",	3091	title => "Identify",
2676	reply => undef,	3092	reply => undef,
2677	tooltip => "Items recently identified",	3093	tooltip => "Items recently identified",
…		…
2680	id => "infobox",	3096	id => "infobox",
2681	title => "Examine",	3097	title => "Examine",
2682	reply => undef,	3098	reply => undef,
2683	tooltip => "Signs and other items you examined",	3099	tooltip => "Signs and other items you examined",
2684	},	3100	},
		3101	"c/shopinfo" => {
		3102	id => "infobox",
		3103	title => "Shop Info",
		3104	reply => undef,
		3105	tooltip => "What your bargaining skill tells you about the shop",
		3106	},
		3107	"c/book" => {
		3108	id => "infobox",
		3109	title => "Book",
		3110	reply => undef,
		3111	tooltip => "The contents of a note or book",
		3112	},
2685	"c/lookat" => {	3113	"c/lookat" => {
2686	id => "infobox",	3114	id => "infobox",
2687	title => "Look",	3115	title => "Look",
2688	reply => undef,	3116	reply => undef,
2689	tooltip => "What you saw there",	3117	tooltip => "What you saw there",
2690	},	3118	},
		3119	"c/who" => {
		3120	id => "infobox",
		3121	title => "Players",
		3122	reply => undef,
		3123	tooltip => "Shows players who are currently online",
		3124	},
		3125	"c/body" => {
		3126	id => "infobox",
		3127	title => "Body Parts",
		3128	reply => undef,
		3129	tooltip => "Shows which body parts you posess and are available",
		3130	},
		3131	"c/statistics" => {
		3132	id => "infobox",
		3133	title => "Statistics",
		3134	reply => undef,
		3135	tooltip => "Shows your primary statistics",
		3136	},
		3137	"c/skills" => {
		3138	id => "infobox",
		3139	title => "Skills",
		3140	reply => undef,
		3141	tooltip => "Shows your experience per skill and item power",
		3142	},
		3143	"c/shopitems" => {
		3144	id => "infobox",
		3145	title => "Shop Items",
		3146	reply => undef,
		3147	tooltip => "Shows the items currently for sale in this shop",
		3148	},
		3149	"c/resistances" => {
		3150	id => "infobox",
		3151	title => "Resistances",
		3152	reply => undef,
		3153	tooltip => "Shows your resistances",
		3154	},
		3155	"c/pets" => {
		3156	id => "infobox",
		3157	title => "Pets",
		3158	reply => undef,
		3159	tooltip => "Shows information abotu your pets/a specific pet",
		3160	},
		3161	"c/perceiveself" => {
		3162	id => "infobox",
		3163	title => "Perceive Self",
		3164	reply => undef,
		3165	tooltip => "You gained detailed knowledge about yourself",
		3166	},
		3167	"c/uptime" => {
		3168	id => "infobox",
		3169	title => "Uptime",
		3170	reply => undef,
		3171	tooltip => "How long the server has been running since last restart",
		3172	},
		3173	"c/mapinfo" => {
		3174	id => "infobox",
		3175	title => "Map Info",
		3176	reply => undef,
		3177	tooltip => "Information related to the maps",
		3178	},
		3179	"c/party" => {
		3180	id => "party",
		3181	title => "Party",
		3182	reply => "gsay ",
		3183	tooltip => "Messages and chat related to your party",
		3184	},
		3185	"c/death" => {
		3186	id => "death",
		3187	title => "Death",
		3188	reply => undef,
		3189	tooltip => "Reason for and more info about your most recent death",
		3190	},
		3191	"c/fatal" => {
		3192	id => "fatal",
		3193	title => "Fatal Error",
		3194	reply => undef,
		3195	tooltip => "Reason for the server disconnect",
		3196	},
		3197	"c/say" => $SAY_CHANNEL,
		3198	"c/chat" => $CHAT_CHANNEL,
2691	);	3199	);
2692		3200
2693	sub cf::client::send_msg {	3201	sub cf::client::send_msg {
2694	my ($self, $channel, $msg, $color, @extra) = @_;	3202	my ($self, $channel, $msg, $color, @extra) = @_;
2695		3203
2696	$msg = $self->pl->expand_cfpod ($msg);	3204	$msg = $self->pl->expand_cfpod ($msg)
		3205	unless $color & cf::NDI_VERBATIM;
2697		3206
2698	$color &= cf::NDI_CLIENT_MASK; # just in case...	3207	$color &= cf::NDI_CLIENT_MASK; # just in case...
2699		3208
2700	# check predefined channels, for the benefit of C	3209	# check predefined channels, for the benefit of C
2701	if ($CHANNEL{$channel}) {	3210	if ($CHANNEL{$channel}) {
2702	$channel = $CHANNEL{$channel};	3211	$channel = $CHANNEL{$channel};
2703		3212
2704	$self->ext_msg (channel_info => $channel)	3213	$self->ext_msg (channel_info => $channel);
2705	if $self->can_msg;
2706
2707	$channel = $channel->{id};	3214	$channel = $channel->{id};
2708		3215
2709	} elsif (ref $channel) {	3216	} elsif (ref $channel) {
2710	# send meta info to client, if not yet sent	3217	# send meta info to client, if not yet sent
2711	unless (exists $self->{channel}{$channel->{id}}) {	3218	unless (exists $self->{channel}{$channel->{id}}) {
2712	$self->{channel}{$channel->{id}} = $channel;	3219	$self->{channel}{$channel->{id}} = $channel;
2713	$self->ext_msg (channel_info => $channel)	3220	$self->ext_msg (channel_info => $channel);
2714	if $self->can_msg;
2715	}	3221	}
2716		3222
2717	$channel = $channel->{id};	3223	$channel = $channel->{id};
2718	}	3224	}
2719		3225
2720	return unless @extra || length $msg;	3226	return unless @extra || length $msg;
2721		3227
2722	if ($self->can_msg) {
2723	# default colour, mask it out	3228	# default colour, mask it out
2724	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3229	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2725	if $color & cf::NDI_DEF;	3230	if $color & cf::NDI_DEF;
2726		3231
2727	$self->send_packet ("msg " . $self->{json_coder}->encode (	3232	my $pkt = "msg "
		3233	. $self->{json_coder}->encode (
2728	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3234	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2729	} else {	3235	);
2730	if ($color >= 0) {
2731	# replace some tags by gcfclient-compatible ones
2732	for ($msg) {
2733	1 while
2734	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2735	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2736	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2737	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2738	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2739	}
2740		3236
2741	$color &= cf::NDI_COLOR_MASK;	3237	$self->send_big_packet ($pkt);
2742
2743	utf8::encode $msg;
2744
2745	if (0 && $msg =~ /\[/) {
2746	# COMMAND/INFO
2747	$self->send_packet ("drawextinfo $color 10 8 $msg")
2748	} else {
2749	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2750	$self->send_packet ("drawinfo $color $msg")
2751	}
2752	}
2753	}
2754	}	3238	}
2755		3239
2756	=item $client->ext_msg ($type, @msg)	3240	=item $client->ext_msg ($type, @msg)
2757		3241
2758	Sends an ext event to the client.	3242	Sends an ext event to the client.
…		…
2760	=cut	3244	=cut
2761		3245
2762	sub cf::client::ext_msg($$@) {	3246	sub cf::client::ext_msg($$@) {
2763	my ($self, $type, @msg) = @_;	3247	my ($self, $type, @msg) = @_;
2764		3248
2765	if ($self->extcmd == 2) {
2766	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3249	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2767	} elsif ($self->extcmd == 1) { # TODO: remove
2768	push @msg, msgtype => "event_$type";
2769	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2770	}
2771	}
2772
2773	=item $client->ext_reply ($msgid, @msg)
2774
2775	Sends an ext reply to the client.
2776
2777	=cut
2778
2779	sub cf::client::ext_reply($$@) {
2780	my ($self, $id, @msg) = @_;
2781
2782	if ($self->extcmd == 2) {
2783	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2784	} elsif ($self->extcmd == 1) {
2785	#TODO: version 1, remove
2786	unshift @msg, msgtype => "reply", msgid => $id;
2787	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2788	}
2789	}	3250	}
2790		3251
2791	=item $success = $client->query ($flags, "text", \&cb)	3252	=item $success = $client->query ($flags, "text", \&cb)
2792		3253
2793	Queues a query to the client, calling the given callback with	3254	Queues a query to the client, calling the given callback with
…		…
2813		3274
2814	$self->send_packet ($self->{query_queue}[0][0])	3275	$self->send_packet ($self->{query_queue}[0][0])
2815	if @{ $self->{query_queue} } == 1;	3276	if @{ $self->{query_queue} } == 1;
2816		3277
2817	1	3278	1
		3279	}
		3280
		3281	=item $client->update_command_faces
		3282
		3283	=cut
		3284
		3285	our %COMMAND_FACE;
		3286
		3287	sub cf::client::update_command_faces {
		3288	my ($self) = @_;
		3289
		3290	my @faces = grep $_,
		3291	$COMMAND_FACE{preferred},
		3292	$COMMAND_FACE{standard},
		3293	$COMMAND_FACE{skill},
		3294	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3295	$COMMAND_FACE{emote},
		3296	;
		3297
		3298	$self->send_face ($_)
		3299	for @faces;
		3300	$self->flush_fx;
		3301
		3302	$self->ext_msg (command_list => @faces);
		3303	}
		3304
		3305	=item cf::client::set_command_face $type, $commands
		3306
		3307	=cut
		3308
		3309	sub cf::client::set_command_face {
		3310	my ($type, $list) = @_;
		3311
		3312	my $idx = &cf::face::set ( #d# ugly forward reference
		3313	"command_list/$type" => cf::FT_RSRC,
		3314	JSON::XS->new->utf8->encode ([ sort @$list ])
		3315	);
		3316
		3317	$COMMAND_FACE{$type} = $idx;
2818	}	3318	}
2819		3319
2820	cf::client->attach (	3320	cf::client->attach (
2821	on_connect => sub {	3321	on_connect => sub {
2822	my ($ns) = @_;	3322	my ($ns) = @_;
…		…
2848	my ($ns, $buf) = @_;	3348	my ($ns, $buf) = @_;
2849		3349
2850	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3350	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2851		3351
2852	if (ref $msg) {	3352	if (ref $msg) {
2853	my ($type, $reply, @payload) =	3353	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2854	"ARRAY" eq ref $msg
2855	? @$msg
2856	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2857		3354
2858	my @reply;
2859
2860	if (my $cb = $EXTICMD{$type}) {	3355	if (my $cb = $EXTIACMD{$type}) {
		3356	$cb->(
		3357	$ns,
		3358	sub {
		3359	$ns->ext_msg ("reply-$reply", @_)
		3360	if $reply;
		3361	},
		3362	@payload
		3363	);
		3364	} else {
		3365	my @reply;
		3366
		3367	if (my $cb = $EXTICMD{$type}) {
2861	@reply = $cb->($ns, @payload);	3368	@reply = $cb->($ns, @payload);
		3369	}
		3370
		3371	$ns->ext_msg ("reply-$reply", @reply)
		3372	if $reply;
2862	}	3373	}
2863
2864	$ns->ext_reply ($reply, @reply)
2865	if $reply;
2866
2867	} else {	3374	} else {
2868	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3375	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2869	}	3376	}
2870		3377
2871	cf::override;	3378	cf::override;
2872	},	3379	},
2873	);	3380	);
…		…
2893		3400
2894	$coro	3401	$coro
2895	}	3402	}
2896		3403
2897	cf::client->attach (	3404	cf::client->attach (
2898	on_destroy => sub {	3405	on_client_destroy => sub {
2899	my ($ns) = @_;	3406	my ($ns) = @_;
2900		3407
2901	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3408	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2902	},	3409	},
2903	);	3410	);
…		…
2919	our $safe_hole = new Safe::Hole;	3426	our $safe_hole = new Safe::Hole;
2920		3427
2921	$SIG{FPE} = 'IGNORE';	3428	$SIG{FPE} = 'IGNORE';
2922		3429
2923	$safe->permit_only (Opcode::opset qw(	3430	$safe->permit_only (Opcode::opset qw(
2924	:base_core :base_mem :base_orig :base_math	3431	:base_core :base_mem :base_orig :base_math :base_loop
2925	grepstart grepwhile mapstart mapwhile	3432	grepstart grepwhile mapstart mapwhile
2926	sort time	3433	sort time
2927	));	3434	));
2928		3435
2929	# here we export the classes and methods available to script code	3436	# here we export the classes and methods available to script code
…		…
2932		3439
2933	The following functions and methods are available within a safe environment:	3440	The following functions and methods are available within a safe environment:
2934		3441
2935	cf::object	3442	cf::object
2936	contr pay_amount pay_player map x y force_find force_add destroy	3443	contr pay_amount pay_player map x y force_find force_add destroy
2937	insert remove name archname title slaying race decrease_ob_nr	3444	insert remove name archname title slaying race decrease split
		3445	value
2938		3446
2939	cf::object::player	3447	cf::object::player
2940	player	3448	player
2941		3449
2942	cf::player	3450	cf::player
…		…
2947		3455
2948	=cut	3456	=cut
2949		3457
2950	for (	3458	for (
2951	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3459	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2952	insert remove inv name archname title slaying race	3460	insert remove inv nrof name archname title slaying race
2953	decrease_ob_nr destroy)],	3461	decrease split destroy change_exp value msg lore send_msg)],
2954	["cf::object::player" => qw(player)],	3462	["cf::object::player" => qw(player)],
2955	["cf::player" => qw(peaceful)],	3463	["cf::player" => qw(peaceful send_msg)],
2956	["cf::map" => qw(trigger)],	3464	["cf::map" => qw(trigger)],
2957	) {	3465	) {
2958	no strict 'refs';
2959	my ($pkg, @funs) = @$_;	3466	my ($pkg, @funs) = @$_;
2960	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3467	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2961	for @funs;	3468	for @funs;
2962	}	3469	}
2963		3470
…		…
2978		3485
2979	my $qcode = $code;	3486	my $qcode = $code;
2980	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3487	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2981	$qcode =~ s/\n/\\n/g;	3488	$qcode =~ s/\n/\\n/g;
2982		3489
		3490	%vars = (_dummy => 0) unless %vars;
		3491
		3492	my @res;
2983	local $_;	3493	local $_;
2984	local @safe::cf::_safe_eval_args = values %vars;
2985		3494
2986	my $eval =	3495	my $eval =
2987	"do {\n"	3496	"do {\n"
2988	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3497	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2989	. "#line 0 \"{$qcode}\"\n"	3498	. "#line 0 \"{$qcode}\"\n"
2990	. $code	3499	. $code
2991	. "\n}"	3500	. "\n}"
2992	;	3501	;
2993		3502
		3503	if ($CFG{safe_eval}) {
2994	sub_generation_inc;	3504	sub_generation_inc;
		3505	local @safe::cf::_safe_eval_args = values %vars;
2995	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3506	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2996	sub_generation_inc;	3507	sub_generation_inc;
		3508	} else {
		3509	local @cf::_safe_eval_args = values %vars;
		3510	@res = wantarray ? eval eval : scalar eval $eval;
		3511	}
2997		3512
2998	if ($@) {	3513	if ($@) {
2999	warn "$@";	3514	warn "$@",
3000	warn "while executing safe code '$code'\n";	3515	"while executing safe code '$code'\n",
3001	warn "with arguments " . (join " ", %vars) . "\n";	3516	"with arguments " . (join " ", %vars) . "\n";
3002	}	3517	}
3003		3518
3004	wantarray ? @res : $res[0]	3519	wantarray ? @res : $res[0]
3005	}	3520	}
3006		3521
…		…
3020	=cut	3535	=cut
3021		3536
3022	sub register_script_function {	3537	sub register_script_function {
3023	my ($fun, $cb) = @_;	3538	my ($fun, $cb) = @_;
3024		3539
3025	no strict 'refs';	3540	$fun = "safe::$fun" if $CFG{safe_eval};
3026	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3541	*$fun = $safe_hole->wrap ($cb);
3027	}	3542	}
3028		3543
3029	=back	3544	=back
3030		3545
3031	=cut	3546	=cut
3032		3547
3033	#############################################################################	3548	#############################################################################
3034	# the server's init and main functions	3549	# the server's init and main functions
3035		3550
		3551	{
		3552	package cf::face;
		3553
		3554	our %HASH; # hash => idx
		3555	our @DATA; # dynamically-created facedata, only faceste 0 used
		3556	our @FOFS; # file offset, if > 0
		3557	our @SIZE; # size of face, in octets
		3558	our @META; # meta hash of face, if any
		3559	our $DATAFH; # facedata filehandle
		3560
		3561	# internal api, not finalised
		3562	sub set {
		3563	my ($name, $type, $data) = @_;
		3564
		3565	my $idx = cf::face::find $name;
		3566
		3567	if ($idx) {
		3568	delete $HASH{cf::face::get_csum $idx};
		3569	} else {
		3570	$idx = cf::face::alloc $name;
		3571	}
		3572
		3573	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3574
		3575	cf::face::set_type $idx, $type;
		3576	cf::face::set_csum $idx, 0, $hash;
		3577
		3578	# we need to destroy the SV itself, not just modify it, as a running ix
		3579	# might hold a reference to it: "delete" achieves that.
		3580	delete $FOFS[0][$idx];
		3581	delete $DATA[0][$idx];
		3582	$DATA[0][$idx] = $data;
		3583	$SIZE[0][$idx] = length $data;
		3584	delete $META[$idx];
		3585	$HASH{$hash} = $idx;#d#
		3586
		3587	$idx
		3588	}
		3589
		3590	sub _get_data($$$) {
		3591	my ($idx, $set, $cb) = @_;
		3592
		3593	if (defined $DATA[$set][$idx]) {
		3594	$cb->($DATA[$set][$idx]);
		3595	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3596	my $size = $SIZE[$set][$idx];
		3597	my $buf;
		3598	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3599	if ($_[0] == $size) {
		3600	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3601	$cb->($buf);
		3602	} else {
		3603	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3604	}
		3605	};
		3606	} else {
		3607	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3608	}
		3609	}
		3610
		3611	# rather ineffient
		3612	sub cf::face::get_data($;$) {
		3613	my ($idx, $set) = @_;
		3614
		3615	_get_data $idx, $set, Coro::rouse_cb;
		3616	Coro::rouse_wait
		3617	}
		3618
		3619	sub cf::face::ix {
		3620	my ($ns, $set, $idx, $pri) = @_;
		3621
		3622	_get_data $idx, $set, sub {
		3623	$ns->ix_send ($idx, $pri, $_[0]);
		3624	};
		3625	}
		3626	}
		3627
3036	sub load_facedata($) {	3628	sub load_facedata($) {
3037	my ($path) = @_;	3629	my ($path) = @_;
3038		3630
3039	# HACK to clear player env face cache, we need some signal framework
3040	# for this (global event?)
3041	%ext::player_env::MUSIC_FACE_CACHE = ();
3042
3043	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3631	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3044		3632
3045	warn "loading facedata from $path\n";	3633	trace "loading facedata from $path\n";
3046		3634
3047	my $facedata;	3635	my $facedata = decode_storable load_file "$path/faceinfo";
3048	0 < aio_load $path, $facedata
3049	or die "$path: $!";
3050
3051	$facedata = Coro::Storable::thaw $facedata;
3052		3636
3053	$facedata->{version} == 2	3637	$facedata->{version} == 2
3054	or cf::cleanup "$path: version mismatch, cannot proceed.";	3638	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
3055		3639
3056	# patch in the exptable	3640	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
3057	$facedata->{resource}{"res/exp_table"} = {	3641	or cf::cleanup "$path/facedata: $!, cannot proceed.";
3058	type => FT_RSRC,	3642
3059	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3643	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
3060	};	3644
3061	cf::cede_to_tick;	3645	# BEGIN ATOMIC
		3646	# from here on, everything must be atomic - no thread switch allowed
		3647	my $t1 = EV::time;
3062		3648
3063	{	3649	{
3064	my $faces = $facedata->{faceinfo};	3650	my $faces = $facedata->{faceinfo};
3065		3651
3066	while (my ($face, $info) = each %$faces) {	3652	for my $face (sort keys %$faces) {
		3653	my $info = $faces->{$face};
3067	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3654	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3655
3068	cf::face::set_visibility $idx, $info->{visibility};	3656	cf::face::set_visibility $idx, $info->{visibility};
3069	cf::face::set_magicmap $idx, $info->{magicmap};	3657	cf::face::set_magicmap $idx, $info->{magicmap};
3070	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3658	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
3071	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3659	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
3072		3660	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
3073	cf::cede_to_tick;	3661	$cf::face::HASH{$info->{hash64}} = $idx;
		3662	delete $cf::face::META[$idx];
3074	}	3663	}
3075		3664
3076	while (my ($face, $info) = each %$faces) {	3665	while (my ($face, $info) = each %$faces) {
3077	next unless $info->{smooth};	3666	next unless $info->{smooth};
		3667
3078	my $idx = cf::face::find $face	3668	my $idx = cf::face::find $face
3079	or next;	3669	or next;
		3670
3080	if (my $smooth = cf::face::find $info->{smooth}) {	3671	if (my $smooth = cf::face::find $info->{smooth}) {
3081	cf::face::set_smooth $idx, $smooth;	3672	cf::face::set_smooth $idx, $smooth;
3082	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3673	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3083	} else {	3674	} else {
3084	warn "smooth face '$info->{smooth}' not found for face '$face'";	3675	error "smooth face '$info->{smooth}' not found for face '$face'";
3085	}	3676	}
3086
3087	cf::cede_to_tick;
3088	}	3677	}
3089	}	3678	}
3090		3679
3091	{	3680	{
3092	my $anims = $facedata->{animinfo};	3681	my $anims = $facedata->{animinfo};
3093		3682
3094	while (my ($anim, $info) = each %$anims) {	3683	while (my ($anim, $info) = each %$anims) {
3095	cf::anim::set $anim, $info->{frames}, $info->{facings};	3684	cf::anim::set $anim, $info->{frames}, $info->{facings};
3096	cf::cede_to_tick;
3097	}	3685	}
3098		3686
3099	cf::anim::invalidate_all; # d'oh	3687	cf::anim::invalidate_all; # d'oh
3100	}	3688	}
3101		3689
3102	{	3690	{
3103	# TODO: for gcfclient pleasure, we should give resources
3104	# that gcfclient doesn't grok a >10000 face index.
3105	my $res = $facedata->{resource};	3691	my $res = $facedata->{resource};
3106		3692
3107	my $soundconf = delete $res->{"res/sound.conf"};
3108
3109	while (my ($name, $info) = each %$res) {	3693	while (my ($name, $info) = each %$res) {
		3694	if (defined (my $type = $info->{type})) {
		3695	# TODO: different hash - must free and use new index, or cache ixface data queue
3110	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3696	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3111	my $data;
3112		3697
3113	if ($info->{type} & 1) {	3698	cf::face::set_type $idx, $type;
3114	# prepend meta info	3699	cf::face::set_csum $idx, 0, $info->{hash};
3115		3700	$cf::face::SIZE[0][$idx] = $info->{size};
3116	my $meta = $enc->encode ({	3701	$cf::face::FOFS[0][$idx] = $info->{fofs};
3117	name => $name,	3702	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
3118	%{ $info->{meta} || {} },	3703	$cf::face::HASH{$info->{hash}} = $idx;
3119	});
3120
3121	$data = pack "(w/a*)*", $meta, $info->{data};
3122	} else {	3704	} else {
3123	$data = $info->{data};	3705	# $RESOURCE{$name} = $info; # unused
3124	}	3706	}
3125
3126	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3127	cf::face::set_type $idx, $info->{type};
3128
3129	cf::cede_to_tick;
3130	}
3131
3132	if ($soundconf) {
3133	$soundconf = $enc->decode (delete $soundconf->{data});
3134
3135	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3136	my $sound = $soundconf->{compat}[$_]
3137	or next;
3138
3139	my $face = cf::face::find "sound/$sound->[1]";
3140	cf::sound::set $sound->[0] => $face;
3141	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3142	}	3707	}
3143
3144	while (my ($k, $v) = each %{$soundconf->{event}}) {
3145	my $face = cf::face::find "sound/$v";
3146	cf::sound::set $k => $face;
3147	}
3148	}
3149	}	3708	}
		3709
		3710	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3711
		3712	# HACK to clear player env face cache, we need some signal framework
		3713	# for this (global event?)
		3714	%ext::player_env::MUSIC_FACE_CACHE = ();
		3715
		3716	# END ATOMIC
		3717
		3718	cf::debug "facedata atomic update time ", EV::time - $t1;
		3719
		3720	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3721
		3722	aio_close $fh if $fh; # close old facedata
3150		3723
3151	1	3724	1
3152	}	3725	}
3153		3726
3154	register_exticmd fx_want => sub {	3727	register_exticmd fx_want => sub {
…		…
3156		3729
3157	while (my ($k, $v) = each %$want) {	3730	while (my ($k, $v) = each %$want) {
3158	$ns->fx_want ($k, $v);	3731	$ns->fx_want ($k, $v);
3159	}	3732	}
3160	};	3733	};
		3734
		3735	sub load_resource_file($) {
		3736	my $guard = lock_acquire "load_resource_file";
		3737
		3738	my $status = load_resource_file_ $_[0];
		3739	get_slot 0.1, 100;
		3740	cf::arch::commit_load;
		3741
		3742	$status
		3743	}
		3744
		3745	sub reload_exp_table {
		3746	_reload_exp_table;
		3747
		3748	cf::face::set
		3749	"res/exp_table" => FT_RSRC,
		3750	JSON::XS->new->utf8->canonical->encode (
		3751	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3752	);
		3753	}
		3754
		3755	sub reload_materials {
		3756	_reload_materials;
		3757	}
3161		3758
3162	sub reload_regions {	3759	sub reload_regions {
3163	# HACK to clear player env face cache, we need some signal framework	3760	# HACK to clear player env face cache, we need some signal framework
3164	# for this (global event?)	3761	# for this (global event?)
3165	%ext::player_env::MUSIC_FACE_CACHE = ();	3762	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3172	if exists $_->{match};	3769	if exists $_->{match};
3173	}	3770	}
3174	}	3771	}
3175		3772
3176	sub reload_facedata {	3773	sub reload_facedata {
3177	load_facedata "$DATADIR/facedata"	3774	load_facedata $DATADIR
3178	or die "unable to load facedata\n";	3775	or die "unable to load facedata\n";
3179	}	3776	}
3180		3777
3181	sub reload_archetypes {	3778	sub reload_archetypes {
3182	load_resource_file "$DATADIR/archetypes"	3779	load_resource_file "$DATADIR/archetypes"
3183	or die "unable to load archetypes\n";	3780	or die "unable to load archetypes\n";
3184	#d# NEED to laod twice to resolve forward references	3781
3185	# this really needs to be done in an extra post-pass	3782	cf::face::set
3186	# (which needs to be synchronous, so solve it differently)	3783	"res/skill_info" => FT_RSRC,
3187	load_resource_file "$DATADIR/archetypes"	3784	JSON::XS->new->utf8->canonical->encode (
3188	or die "unable to load archetypes\n";	3785	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3786	);
		3787
		3788	cf::face::set
		3789	"res/spell_paths" => FT_RSRC,
		3790	JSON::XS->new->utf8->canonical->encode (
		3791	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3792	);
		3793
		3794	# command completion
		3795	my @commands;
		3796
		3797	for (0..cf::arch::skillvec_size - 1) {
		3798	my $skill = cf::arch::skillvec $_;
		3799	my $name = $skill->name;
		3800	my $flags = cf::skill_flags $skill->subtype;
		3801
		3802	push @commands, "ready_skill $name" if $flags & (SF_COMBAT | SF_RANGED | SF_GRACE);
		3803	push @commands, "use_skill $name" if $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3804	}
		3805
		3806	cf::client::set_command_face skill => \@commands;
3189	}	3807	}
3190		3808
3191	sub reload_treasures {	3809	sub reload_treasures {
3192	load_resource_file "$DATADIR/treasures"	3810	load_resource_file "$DATADIR/treasures"
3193	or die "unable to load treasurelists\n";	3811	or die "unable to load treasurelists\n";
3194	}	3812	}
3195		3813
		3814	sub reload_sound {
		3815	trace "loading sound config from $DATADIR/sound\n";
		3816
		3817	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3818
		3819	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3820	my $sound = $soundconf->{compat}[$_]
		3821	or next;
		3822
		3823	my $face = cf::face::find "sound/$sound->[1]";
		3824	cf::sound::set $sound->[0] => $face;
		3825	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3826	}
		3827
		3828	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3829	my $face = cf::face::find "sound/$v";
		3830	cf::sound::set $k => $face;
		3831	}
		3832	}
		3833
3196	sub reload_resources {	3834	sub reload_resources {
3197	warn "reloading resource files...\n";	3835	trace "reloading resource files...\n";
3198		3836
		3837	reload_materials;
		3838	reload_facedata;
		3839	reload_exp_table;
		3840	reload_sound;
		3841	reload_archetypes;
3199	reload_regions;	3842	reload_regions;
3200	reload_facedata;
3201	#reload_archetypes;#d#
3202	reload_archetypes;
3203	reload_treasures;	3843	reload_treasures;
3204		3844
3205	warn "finished reloading resource files\n";	3845	trace "finished reloading resource files\n";
3206	}
3207
3208	sub init {
3209	reload_resources;
3210	}	3846	}
3211		3847
3212	sub reload_config {	3848	sub reload_config {
3213	open my $fh, "<:utf8", "$CONFDIR/config"	3849	trace "reloading config file...\n";
3214	or return;
3215		3850
3216	local $/;	3851	my $config = load_file "$CONFDIR/config";
3217	*CFG = YAML::Syck::Load <$fh>;	3852	utf8::decode $config;
		3853	*CFG = decode_yaml $config;
3218		3854
3219	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3855	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3220		3856
3221	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3857	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3222	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3858	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3223		3859
3224	if (exists $CFG{mlockall}) {	3860	if (exists $CFG{mlockall}) {
…		…
3228	};	3864	};
3229	warn $@ if $@;	3865	warn $@ if $@;
3230	}	3866	}
3231	}	3867	}
3232		3868
		3869	sub pidfile() {
		3870	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3871	or die "$PIDFILE: $!";
		3872	flock $fh, &Fcntl::LOCK_EX
		3873	or die "$PIDFILE: flock: $!";
		3874	$fh
		3875	}
		3876
		3877	# make sure only one server instance is running at any one time
		3878	sub atomic {
		3879	my $fh = pidfile;
		3880
		3881	my $pid = <$fh>;
		3882	kill 9, $pid if $pid > 0;
		3883
		3884	seek $fh, 0, 0;
		3885	print $fh $$;
		3886	}
		3887
		3888	sub main_loop {
		3889	trace "EV::loop starting\n";
		3890	if (1) {
		3891	EV::loop;
		3892	}
		3893	trace "EV::loop returned\n";
		3894	goto &main_loop unless $REALLY_UNLOOP;
		3895	}
		3896
3233	sub main {	3897	sub main {
		3898	cf::init_globals; # initialise logging
		3899
		3900	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3901	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3902	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3903	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3904
		3905	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3906
3234	# we must not ever block the main coroutine	3907	# we must not ever block the main coroutine
3235	local $Coro::idle = sub {	3908	$Coro::idle = sub {
3236	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3909	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3237	(async {	3910	(async {
3238	$Coro::current->{desc} = "IDLE BUG HANDLER";	3911	$Coro::current->{desc} = "IDLE BUG HANDLER";
3239	Event::one_event;	3912	EV::loop EV::LOOP_ONESHOT;
3240	})->prio (Coro::PRIO_MAX);	3913	})->prio (Coro::PRIO_MAX);
3241	};	3914	};
3242		3915
		3916	evthread_start IO::AIO::poll_fileno;
		3917
		3918	cf::sync_job {
		3919	cf::incloader::init ();
		3920
		3921	db_init;
		3922
		3923	cf::init_anim;
		3924	cf::init_attackmess;
		3925	cf::init_dynamic;
		3926
		3927	cf::load_settings;
		3928
		3929	reload_resources;
3243	reload_config;	3930	reload_config;
3244	db_init;	3931
		3932	cf::init_uuid;
		3933	cf::init_signals;
		3934	cf::init_skills;
		3935
		3936	cf::init_beforeplay;
		3937
		3938	atomic;
		3939
3245	load_extensions;	3940	load_extensions;
3246		3941
3247	$TICK_WATCHER->start;	3942	utime time, time, $RUNTIMEFILE;
3248	Event::loop;	3943
		3944	# no (long-running) fork's whatsoever before this point(!)
		3945	use POSIX ();
		3946	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3947
		3948	cf::_post_init 0;
		3949	};
		3950
		3951	cf::object::thawer::errors_are_fatal 0;
		3952	info "parse errors in files are no longer fatal from this point on.\n";
		3953
		3954	AE::postpone {
		3955	undef &main; # free gobs of memory :)
		3956	};
		3957
		3958	goto &main_loop;
3249	}	3959	}
3250		3960
3251	#############################################################################	3961	#############################################################################
3252	# initialisation and cleanup	3962	# initialisation and cleanup
3253		3963
3254	# install some emergency cleanup handlers	3964	# install some emergency cleanup handlers
3255	BEGIN {	3965	BEGIN {
		3966	our %SIGWATCHER = ();
3256	for my $signal (qw(INT HUP TERM)) {	3967	for my $signal (qw(INT HUP TERM)) {
3257	Event->signal (	3968	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3258	reentrant => 0,
3259	data => WF_AUTOCANCEL,
3260	signal => $signal,
3261	prio => 0,
3262	cb => sub {
3263	cf::cleanup "SIG$signal";	3969	cf::cleanup "SIG$signal";
3264	},
3265	);	3970	};
3266	}	3971	}
3267	}	3972	}
3268		3973
3269	sub write_runtime {	3974	sub write_runtime_sync {
3270	my $runtime = "$LOCALDIR/runtime";	3975	my $t0 = AE::time;
3271		3976
3272	# first touch the runtime file to show we are still running:	3977	# first touch the runtime file to show we are still running:
3273	# the fsync below can take a very very long time.	3978	# the fsync below can take a very very long time.
3274		3979
3275	IO::AIO::aio_utime $runtime, undef, undef;	3980	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3276		3981
3277	my $guard = cf::lock_acquire "write_runtime";	3982	my $guard = cf::lock_acquire "write_runtime";
3278		3983
3279	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3984	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3280	or return;	3985	or return;
3281		3986
3282	my $value = $cf::RUNTIME + 90 + 10;	3987	my $value = $cf::RUNTIME + 90 + 10;
3283	# 10 is the runtime save interval, for a monotonic clock	3988	# 10 is the runtime save interval, for a monotonic clock
3284	# 60 allows for the watchdog to kill the server.	3989	# 60 allows for the watchdog to kill the server.
…		…
3294	aio_utime $fh, undef, undef;	3999	aio_utime $fh, undef, undef;
3295		4000
3296	close $fh	4001	close $fh
3297	or return;	4002	or return;
3298		4003
3299	aio_rename "$runtime~", $runtime	4004	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3300	and return;	4005	and return;
3301		4006
3302	warn "runtime file written.\n";	4007	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3303		4008
3304	1	4009	1
		4010	}
		4011
		4012	our $uuid_lock;
		4013	our $uuid_skip;
		4014
		4015	sub write_uuid_sync($) {
		4016	$uuid_skip ||= $_[0];
		4017
		4018	return if $uuid_lock;
		4019	local $uuid_lock = 1;
		4020
		4021	my $uuid = "$LOCALDIR/uuid";
		4022
		4023	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		4024	or return;
		4025
		4026	my $value = uuid_seq uuid_cur;
		4027
		4028	unless ($value) {
		4029	info "cowardly refusing to write zero uuid value!\n";
		4030	return;
		4031	}
		4032
		4033	my $value = uuid_str $value + $uuid_skip;
		4034	$uuid_skip = 0;
		4035
		4036	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4037	and return;
		4038
		4039	# always fsync - this file is important
		4040	aio_fsync $fh
		4041	and return;
		4042
		4043	close $fh
		4044	or return;
		4045
		4046	aio_rename "$uuid~", $uuid
		4047	and return;
		4048
		4049	trace "uuid file written ($value).\n";
		4050
		4051	1
		4052
		4053	}
		4054
		4055	sub write_uuid($$) {
		4056	my ($skip, $sync) = @_;
		4057
		4058	$sync ? write_uuid_sync $skip
		4059	: async { write_uuid_sync $skip };
3305	}	4060	}
3306		4061
3307	sub emergency_save() {	4062	sub emergency_save() {
3308	my $freeze_guard = cf::freeze_mainloop;	4063	my $freeze_guard = cf::freeze_mainloop;
3309		4064
3310	warn "enter emergency perl save\n";	4065	info "emergency_perl_save: enter\n";
		4066
		4067	# this is a trade-off: we want to be very quick here, so
		4068	# save all maps without fsync, and later call a global sync
		4069	# (which in turn might be very very slow)
		4070	local $USE_FSYNC = 0;
3311		4071
3312	cf::sync_job {	4072	cf::sync_job {
		4073	cf::write_runtime_sync; # external watchdog should not bark
		4074
3313	# use a peculiar iteration method to avoid tripping on perl	4075	# use a peculiar iteration method to avoid tripping on perl
3314	# refcount bugs in for. also avoids problems with players	4076	# refcount bugs in for. also avoids problems with players
3315	# and maps saved/destroyed asynchronously.	4077	# and maps saved/destroyed asynchronously.
3316	warn "begin emergency player save\n";	4078	info "emergency_perl_save: begin player save\n";
3317	for my $login (keys %cf::PLAYER) {	4079	for my $login (keys %cf::PLAYER) {
3318	my $pl = $cf::PLAYER{$login} or next;	4080	my $pl = $cf::PLAYER{$login} or next;
3319	$pl->valid or next;	4081	$pl->valid or next;
3320	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	4082	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3321	$pl->save;	4083	$pl->save;
3322	}	4084	}
3323	warn "end emergency player save\n";	4085	info "emergency_perl_save: end player save\n";
3324		4086
3325	warn "begin emergency map save\n";	4087	cf::write_runtime_sync; # external watchdog should not bark
		4088
		4089	info "emergency_perl_save: begin map save\n";
3326	for my $path (keys %cf::MAP) {	4090	for my $path (keys %cf::MAP) {
3327	my $map = $cf::MAP{$path} or next;	4091	my $map = $cf::MAP{$path} or next;
3328	$map->valid or next;	4092	$map->valid or next;
3329	$map->save;	4093	$map->save;
3330	}	4094	}
3331	warn "end emergency map save\n";	4095	info "emergency_perl_save: end map save\n";
3332		4096
3333	warn "begin emergency database checkpoint\n";	4097	cf::write_runtime_sync; # external watchdog should not bark
		4098
		4099	info "emergency_perl_save: begin database checkpoint\n";
3334	BDB::db_env_txn_checkpoint $DB_ENV;	4100	BDB::db_env_txn_checkpoint $DB_ENV;
3335	warn "end emergency database checkpoint\n";	4101	info "emergency_perl_save: end database checkpoint\n";
		4102
		4103	info "emergency_perl_save: begin write uuid\n";
		4104	write_uuid_sync 1;
		4105	info "emergency_perl_save: end write uuid\n";
		4106
		4107	cf::write_runtime_sync; # external watchdog should not bark
		4108
		4109	trace "emergency_perl_save: syncing database to disk";
		4110	BDB::db_env_txn_checkpoint $DB_ENV;
		4111
		4112	info "emergency_perl_save: starting sync\n";
		4113	IO::AIO::aio_sync sub {
		4114	info "emergency_perl_save: finished sync\n";
		4115	};
		4116
		4117	cf::write_runtime_sync; # external watchdog should not bark
		4118
		4119	trace "emergency_perl_save: flushing outstanding aio requests";
		4120	while (IO::AIO::nreqs || BDB::nreqs) {
		4121	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4122	}
		4123
		4124	cf::write_runtime_sync; # external watchdog should not bark
3336	};	4125	};
3337		4126
3338	warn "leave emergency perl save\n";	4127	info "emergency_perl_save: leave\n";
3339	}	4128	}
3340		4129
3341	sub post_cleanup {	4130	sub post_cleanup {
3342	my ($make_core) = @_;	4131	my ($make_core) = @_;
3343		4132
		4133	IO::AIO::flush;
		4134
3344	warn Carp::longmess "post_cleanup backtrace"	4135	error Carp::longmess "post_cleanup backtrace"
3345	if $make_core;	4136	if $make_core;
		4137
		4138	my $fh = pidfile;
		4139	unlink $PIDFILE if <$fh> == $$;
		4140	}
		4141
		4142	# a safer delete_package, copied from Symbol
		4143	sub clear_package($) {
		4144	my $pkg = shift;
		4145
		4146	# expand to full symbol table name if needed
		4147	unless ($pkg =~ /^main::.*::$/) {
		4148	$pkg = "main$pkg" if $pkg =~ /^::/;
		4149	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4150	$pkg .= '::' unless $pkg =~ /::$/;
		4151	}
		4152
		4153	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4154	my $stem_symtab = *{$stem}{HASH};
		4155
		4156	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4157	or return;
		4158
		4159	# clear all symbols
		4160	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4161	for my $name (keys %$leaf_symtab) {
		4162	_gv_clear *{"$pkg$name"};
		4163	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4164	}
3346	}	4165	}
3347		4166
3348	sub do_reload_perl() {	4167	sub do_reload_perl() {
3349	# can/must only be called in main	4168	# can/must only be called in main
3350	if ($Coro::current != $Coro::main) {	4169	unless (in_main) {
3351	warn "can only reload from main coroutine";	4170	error "can only reload from main coroutine";
3352	return;	4171	return;
3353	}	4172	}
3354		4173
3355	warn "reloading...";	4174	return if $RELOAD++;
3356		4175
3357	warn "entering sync_job";	4176	my $t1 = AE::time;
3358		4177
		4178	while ($RELOAD) {
		4179	cf::get_slot 0.1, -1, "reload_perl";
		4180	info "perl_reload: reloading...";
		4181
		4182	trace "perl_reload: entering sync_job";
		4183
3359	cf::sync_job {	4184	cf::sync_job {
3360	cf::write_runtime; # external watchdog should not bark
3361	cf::emergency_save;	4185	#cf::emergency_save;
3362	cf::write_runtime; # external watchdog should not bark
3363		4186
3364	warn "syncing database to disk";
3365	BDB::db_env_txn_checkpoint $DB_ENV;
3366
3367	# if anything goes wrong in here, we should simply crash as we already saved
3368
3369	warn "cancelling all WF_AUTOCANCEL watchers";
3370	for (Event::all_watchers) {
3371	$_->cancel if $_->data & WF_AUTOCANCEL;
3372	}
3373
3374	warn "flushing outstanding aio requests";
3375	for (;;) {
3376	BDB::flush;
3377	IO::AIO::flush;
3378	Coro::cede_notself;
3379	last unless IO::AIO::nreqs || BDB::nreqs;
3380	warn "iterate...";
3381	}
3382
3383	++$RELOAD;
3384
3385	warn "cancelling all extension coros";	4187	trace "perl_reload: cancelling all extension coros";
3386	$_->cancel for values %EXT_CORO;	4188	$_->cancel for values %EXT_CORO;
3387	%EXT_CORO = ();	4189	%EXT_CORO = ();
3388		4190
3389	warn "removing commands";	4191	trace "perl_reload: removing commands";
3390	%COMMAND = ();	4192	%COMMAND = ();
3391		4193
3392	warn "removing ext/exti commands";	4194	trace "perl_reload: removing ext/exti commands";
3393	%EXTCMD = ();	4195	%EXTCMD = ();
3394	%EXTICMD = ();	4196	%EXTICMD = ();
3395		4197
3396	warn "unloading/nuking all extensions";	4198	trace "perl_reload: unloading/nuking all extensions";
3397	for my $pkg (@EXTS) {	4199	for my $pkg (@EXTS) {
3398	warn "... unloading $pkg";	4200	trace "... unloading $pkg";
3399		4201
3400	if (my $cb = $pkg->can ("unload")) {	4202	if (my $cb = $pkg->can ("unload")) {
3401	eval {	4203	eval {
3402	$cb->($pkg);	4204	$cb->($pkg);
3403	1	4205	1
3404	} or warn "$pkg unloaded, but with errors: $@";	4206	} or error "$pkg unloaded, but with errors: $@";
		4207	}
		4208
		4209	trace "... clearing $pkg";
		4210	clear_package $pkg;
3405	}	4211	}
3406		4212
3407	warn "... nuking $pkg";
3408	Symbol::delete_package $pkg;
3409	}
3410
3411	warn "unloading all perl modules loaded from $LIBDIR";	4213	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3412	while (my ($k, $v) = each %INC) {	4214	while (my ($k, $v) = each %INC) {
3413	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4215	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3414		4216
3415	warn "... unloading $k";	4217	trace "... unloading $k";
3416	delete $INC{$k};	4218	delete $INC{$k};
3417		4219
3418	$k =~ s/\.pm$//;	4220	$k =~ s/\.pm$//;
3419	$k =~ s/\//::/g;	4221	$k =~ s/\//::/g;
3420		4222
3421	if (my $cb = $k->can ("unload_module")) {	4223	if (my $cb = $k->can ("unload_module")) {
3422	$cb->();	4224	$cb->();
		4225	}
		4226
		4227	clear_package $k;
3423	}	4228	}
3424		4229
3425	Symbol::delete_package $k;
3426	}
3427
3428	warn "getting rid of safe::, as good as possible";	4230	trace "perl_reload: getting rid of safe::, as good as possible";
3429	Symbol::delete_package "safe::$_"	4231	clear_package "safe::$_"
3430	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4232	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3431		4233
3432	warn "unloading cf.pm \"a bit\"";	4234	trace "perl_reload: unloading cf.pm \"a bit\"";
3433	delete $INC{"cf.pm"};	4235	delete $INC{"cf.pm"};
3434	delete $INC{"cf/pod.pm"};	4236	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3435		4237
3436	# don't, removes xs symbols, too,	4238	# don't, removes xs symbols, too,
3437	# and global variables created in xs	4239	# and global variables created in xs
3438	#Symbol::delete_package __PACKAGE__;	4240	#clear_package __PACKAGE__;
3439		4241
3440	warn "unload completed, starting to reload now";	4242	info "perl_reload: unload completed, starting to reload now";
3441		4243
3442	warn "reloading cf.pm";	4244	trace "perl_reload: reloading cf.pm";
3443	require cf;	4245	require cf;
3444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4246	cf::_connect_to_perl_1;
3445		4247
3446	warn "loading config and database again";	4248	trace "perl_reload: loading config and database again";
3447	cf::reload_config;	4249	cf::reload_config;
3448		4250
3449	warn "loading extensions";	4251	trace "perl_reload: loading extensions";
3450	cf::load_extensions;	4252	cf::load_extensions;
3451		4253
		4254	if ($REATTACH_ON_RELOAD) {
3452	warn "reattaching attachments to objects/players";	4255	trace "perl_reload: reattaching attachments to objects/players";
3453	_global_reattach; # objects, sockets	4256	_global_reattach; # objects, sockets
3454	warn "reattaching attachments to maps";	4257	trace "perl_reload: reattaching attachments to maps";
3455	reattach $_ for values %MAP;	4258	reattach $_ for values %MAP;
3456	warn "reattaching attachments to players";	4259	trace "perl_reload: reattaching attachments to players";
3457	reattach $_ for values %PLAYER;	4260	reattach $_ for values %PLAYER;
		4261	}
3458		4262
3459	warn "leaving sync_job";	4263	cf::_post_init 1;
3460		4264
		4265	trace "perl_reload: leaving sync_job";
		4266
3461	1	4267	1
3462	} or do {	4268	} or do {
3463	warn $@;	4269	error $@;
3464	warn "error while reloading, exiting.";	4270	cf::cleanup "perl_reload: error, exiting.";
3465	exit 1;	4271	};
		4272
		4273	--$RELOAD;
3466	};	4274	}
3467		4275
3468	warn "reloaded";	4276	$t1 = AE::time - $t1;
		4277	info "perl_reload: completed in ${t1}s\n";
3469	};	4278	};
3470		4279
3471	our $RELOAD_WATCHER; # used only during reload	4280	our $RELOAD_WATCHER; # used only during reload
3472		4281
3473	sub reload_perl() {	4282	sub reload_perl() {
3474	# doing reload synchronously and two reloads happen back-to-back,	4283	# doing reload synchronously and two reloads happen back-to-back,
3475	# coro crashes during coro_state_free->destroy here.	4284	# coro crashes during coro_state_free->destroy here.
3476		4285
3477	$RELOAD_WATCHER ||= Event->timer (	4286	$RELOAD_WATCHER ||= cf::async {
3478	reentrant => 0,	4287	Coro::AIO::aio_wait cache_extensions;
3479	after => 0,	4288
3480	data => WF_AUTOCANCEL,	4289	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3481	cb => sub {
3482	do_reload_perl;	4290	do_reload_perl;
3483	undef $RELOAD_WATCHER;	4291	undef $RELOAD_WATCHER;
3484	},	4292	};
3485	);	4293	};
3486	}	4294	}
3487		4295
3488	register_command "reload" => sub {	4296	register_command "reload" => sub {
3489	my ($who, $arg) = @_;	4297	my ($who, $arg) = @_;
3490		4298
…		…
3495	reload_perl;	4303	reload_perl;
3496	};	4304	};
3497	}	4305	}
3498	};	4306	};
3499		4307
3500	unshift @INC, $LIBDIR;	4308	#############################################################################
3501		4309
3502	my $bug_warning = 0;	4310	my $bug_warning = 0;
3503		4311
3504	our @WAIT_FOR_TICK;
3505	our @WAIT_FOR_TICK_BEGIN;
3506
3507	sub wait_for_tick {	4312	sub wait_for_tick() {
3508	return unless $TICK_WATCHER->is_active;	4313	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3509	return if $Coro::current == $Coro::main;
3510		4314
3511	my $signal = new Coro::Signal;	4315	$WAIT_FOR_TICK->wait;
3512	push @WAIT_FOR_TICK, $signal;
3513	$signal->wait;
3514	}	4316	}
3515		4317
3516	sub wait_for_tick_begin {	4318	sub wait_for_tick_begin() {
3517	return unless $TICK_WATCHER->is_active;	4319	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3518	return if $Coro::current == $Coro::main;
3519		4320
3520	my $signal = new Coro::Signal;	4321	my $signal = new Coro::Signal;
3521	push @WAIT_FOR_TICK_BEGIN, $signal;	4322	push @WAIT_FOR_TICK_BEGIN, $signal;
3522	$signal->wait;	4323	$signal->wait;
3523	}	4324	}
3524		4325
3525	$TICK_WATCHER = Event->timer (	4326	sub tick {
3526	reentrant => 0,
3527	parked => 1,
3528	prio => 0,
3529	at => $NEXT_TICK || $TICK,
3530	data => WF_AUTOCANCEL,
3531	cb => sub {
3532	if ($Coro::current != $Coro::main) {	4327	if ($Coro::current != $Coro::main) {
3533	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4328	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3534	unless ++$bug_warning > 10;	4329	unless ++$bug_warning > 10;
3535	return;	4330	return;
3536	}	4331	}
3537		4332
3538	$NOW = $tick_start = Event::time;	4333	cf::one_tick; # one server iteration
3539		4334
3540	cf::server_tick; # one server iteration	4335	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3541		4336
3542	$RUNTIME += $TICK;
3543	$NEXT_TICK += $TICK;
3544
3545	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4337	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3546	$NEXT_RUNTIME_WRITE = $NOW + 10;	4338	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3547	Coro::async_pool {	4339	Coro::async_pool {
3548	$Coro::current->{desc} = "runtime saver";	4340	$Coro::current->{desc} = "runtime saver";
3549	write_runtime	4341	write_runtime_sync
3550	or warn "ERROR: unable to write runtime file: $!";	4342	or error "ERROR: unable to write runtime file: $!";
3551	};
3552	}	4343	};
		4344	}
3553		4345
3554	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4346	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3555	$sig->send;	4347	$sig->send;
3556	}	4348	}
3557	while (my $sig = shift @WAIT_FOR_TICK) {	4349	$WAIT_FOR_TICK->broadcast;
3558	$sig->send;
3559	}
3560		4350
3561	$NOW = Event::time;	4351	$LOAD = ($NOW - $TICK_START) / $TICK;
3562
3563	# if we are delayed by four ticks or more, skip them all
3564	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3565
3566	$TICK_WATCHER->at ($NEXT_TICK);
3567	$TICK_WATCHER->start;
3568
3569	$LOAD = ($NOW - $tick_start) / $TICK;
3570	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4352	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3571		4353
3572	_post_tick;	4354	if (0) {
		4355	if ($NEXT_TICK) {
		4356	my $jitter = $TICK_START - $NEXT_TICK;
		4357	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4358	debug "jitter $JITTER\n";#d#
		4359	}
3573	},	4360	}
3574	);	4361	}
3575		4362
3576	{	4363	{
		4364	# configure BDB
		4365	info "initialising database";
		4366
3577	BDB::min_parallel 8;	4367	BDB::min_parallel 16;
3578	BDB::max_poll_time $TICK * 0.1;	4368	BDB::max_poll_reqs $TICK * 0.1;
3579	$BDB_POLL_WATCHER = Event->io (	4369	#$AnyEvent::BDB::WATCHER->priority (1);
3580	reentrant => 0,
3581	fd => BDB::poll_fileno,
3582	poll => 'r',
3583	prio => 0,
3584	data => WF_AUTOCANCEL,
3585	cb => \&BDB::poll_cb,
3586	);
3587
3588	BDB::set_sync_prepare {
3589	my $status;
3590	my $current = $Coro::current;
3591	(
3592	sub {
3593	$status = $!;
3594	$current->ready; undef $current;
3595	},
3596	sub {
3597	Coro::schedule while defined $current;
3598	$! = $status;
3599	},
3600	)
3601	};
3602		4370
3603	unless ($DB_ENV) {	4371	unless ($DB_ENV) {
3604	$DB_ENV = BDB::db_env_create;	4372	$DB_ENV = BDB::db_env_create;
3605	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4373	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3606	| BDB::LOG_AUTOREMOVE, 1);	4374	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4375	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3607	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4376	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3608	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4377	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3609		4378
3610	cf::sync_job {	4379	cf::sync_job {
3611	eval {	4380	eval {
…		…
3621		4390
3622	cf::cleanup "db_env_open(db): $@" if $@;	4391	cf::cleanup "db_env_open(db): $@" if $@;
3623	};	4392	};
3624	}	4393	}
3625		4394
3626	$BDB_DEADLOCK_WATCHER = Event->timer (	4395	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3627	after => 3,
3628	interval => 1,
3629	hard => 1,
3630	prio => 0,
3631	data => WF_AUTOCANCEL,
3632	cb => sub {
3633	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	4396	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3634	},
3635	);	4397	};
3636	$BDB_CHECKPOINT_WATCHER = Event->timer (	4398	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3637	after => 11,
3638	interval => 60,
3639	hard => 1,
3640	prio => 0,
3641	data => WF_AUTOCANCEL,
3642	cb => sub {
3643	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4399	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3644	},
3645	);	4400	};
3646	$BDB_TRICKLE_WATCHER = Event->timer (	4401	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3647	after => 5,
3648	interval => 10,
3649	hard => 1,
3650	prio => 0,
3651	data => WF_AUTOCANCEL,
3652	cb => sub {
3653	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4402	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3654	},
3655	);	4403	};
		4404
		4405	info "database initialised";
3656	}	4406	}
3657		4407
3658	{	4408	{
		4409	# configure IO::AIO
		4410
		4411	info "initialising aio";
3659	IO::AIO::min_parallel 8;	4412	IO::AIO::min_parallel 8;
3660
3661	undef $Coro::AIO::WATCHER;
3662	IO::AIO::max_poll_time $TICK * 0.1;	4413	IO::AIO::max_poll_time $TICK * 0.1;
3663	$AIO_POLL_WATCHER = Event->io (	4414	undef $AnyEvent::AIO::WATCHER;
3664	reentrant => 0,	4415	info "aio initialised";
3665	data => WF_AUTOCANCEL,
3666	fd => IO::AIO::poll_fileno,
3667	poll => 'r',
3668	prio => 0,
3669	cb => \&IO::AIO::poll_cb,
3670	);
3671	}	4416	}
3672		4417
3673	my $_log_backtrace;	4418	our $_log_backtrace;
		4419	our $_log_backtrace_last;
3674		4420
3675	sub _log_backtrace {	4421	sub _log_backtrace {
3676	my ($msg, @addr) = @_;	4422	my ($msg, @addr) = @_;
3677		4423
3678	$msg =~ s/\n//;	4424	$msg =~ s/\n$//;
3679		4425
		4426	if ($_log_backtrace_last eq $msg) {
		4427	LOG llevInfo, "[ABT] $msg\n";
		4428	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3680	# limit the # of concurrent backtraces	4429	# limit the # of concurrent backtraces
3681	if ($_log_backtrace < 2) {	4430	} elsif ($_log_backtrace < 2) {
		4431	$_log_backtrace_last = $msg;
3682	++$_log_backtrace;	4432	++$_log_backtrace;
		4433	my $perl_bt = Carp::longmess $msg;
3683	async {	4434	async {
3684	$Coro::current->{desc} = "abt $msg";	4435	$Coro::current->{desc} = "abt $msg";
3685		4436
3686	my @bt = fork_call {	4437	my @bt = fork_call {
3687	@addr = map { sprintf "%x", $_ } @addr;	4438	@addr = map { sprintf "%x", $_ } @addr;
…		…
3698	}	4449	}
3699		4450
3700	@funcs	4451	@funcs
3701	};	4452	};
3702		4453
3703	LOG llevInfo, "[ABT] $msg\n";	4454	LOG llevInfo, "[ABT] $perl_bt\n";
		4455	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3704	LOG llevInfo, "[ABT] $_\n" for @bt;	4456	LOG llevInfo, "[ABT] $_\n" for @bt;
3705	--$_log_backtrace;	4457	--$_log_backtrace;
3706	};	4458	};
3707	} else {	4459	} else {
3708	LOG llevInfo, "[ABT] $msg\n";	4460	LOG llevInfo, "[ABT] $msg\n";
3709	LOG llevInfo, "[ABT] [suppressed]\n";	4461	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3710	}	4462	}
3711	}	4463	}
3712		4464
3713	# load additional modules	4465	# load additional modules
3714	use cf::pod;	4466	require "cf/$_.pm" for @EXTRA_MODULES;
		4467	cf::_connect_to_perl_2;
3715		4468
3716	END { cf::emergency_save }	4469	END { cf::emergency_save }
3717		4470
3718	1	4471	1
3719		4472

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