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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.386 by root, Mon Oct 15 17:50:27 2007 UTC vs.
Revision 1.609 by root, Tue Nov 20 14:30:22 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
365	my $avail = cf::till_tick;	602	my $avail = cf::till_tick;
366	if ($avail > 0.01) {	603
367	for (0 .. $#SLOT_QUEUE) {	604	for (0 .. $#SLOT_QUEUE) {
368	if ($SLOT_QUEUE[$_][0] < $avail) {	605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
369	my $job = splice @SLOT_QUEUE, $_, 1, ();	607	my $job = splice @SLOT_QUEUE, $_, 1, ();
370	$job->[2]->send;	608	$job->[2]->send;
371	Coro::cede;	609	Coro::cede;
372	goto next_job;	610	goto next_job;
373	}	611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
374	}	613	}
375	}	614	}
376		615
377	if (@SLOT_QUEUE) {	616	if (@SLOT_QUEUE) {
378	# we do not use wait_for_tick() as it returns immediately when tick is inactive	617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
379	push @cf::WAIT_FOR_TICK, $signal;	618	$WAIT_FOR_TICK->wait;
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	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::loop EV::LOOP_ONESHOT;
450	}	693	}
		694	}
451		695
452	$time = Event::time - $time;	696	my $time = AE::time - $time;
453		697
454	LOG llevError | logBacktrace, Carp::longmess "long sync job"
455	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
456
457	$tick_start += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
458		699
459	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
460	} else {	701	} else {
461	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
462		703
…		…
482	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
483		724
484	$coro	725	$coro
485	}	726	}
486		727
487	=item fork_call { }, $args	728	=item fork_call { }, @args
488		729
489	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
490	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
491	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
492	never block itself or use any form of Event handling.	733	never block itself or use any form of event handling.
493		734
494	=cut	735	=cut
		736
		737	sub post_fork {
		738	reset_signals;
		739	}
495		740
496	sub fork_call(&@) {	741	sub fork_call(&@) {
497	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
498		743
499	# we seemingly have to make a local copy of the whole thing,
500	# otherwise perl prematurely frees the stuff :/
501	# TODO: investigate and fix (likely this will be rather laborious)
502
503	my @res = Coro::Util::fork_eval {	744	my @res = Coro::Util::fork_eval {
504	reset_signals;	745	cf::post_fork;
505	&$cb	746	&$cb
506	}, @args;	747	} @args;
507		748
508	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
509	}	788	}
510		789
511	=item $value = cf::db_get $family => $key	790	=item $value = cf::db_get $family => $key
512		791
513	Returns a single value from the environment database.	792	Returns a single value from the environment database.
…		…
523	within each server.	802	within each server.
524		803
525	=cut	804	=cut
526		805
527	sub db_table($) {	806	sub db_table($) {
		807	cf::error "db_get called from main context"
		808	if $Coro::current == $Coro::main;
		809
528	my ($name) = @_;	810	my ($name) = @_;
529	my $db = BDB::db_create $DB_ENV;	811	my $db = BDB::db_create $DB_ENV;
530		812
531	eval {	813	eval {
532	$db->set_flags (BDB::CHKSUM);	814	$db->set_flags (BDB::CHKSUM);
…		…
542	}	824	}
543		825
544	our $DB;	826	our $DB;
545		827
546	sub db_init {	828	sub db_init {
547	cf::sync_job {
548	$DB ||= db_table "db";	829	$DB ||= db_table "db";
549	};
550	}	830	}
551		831
552	sub db_get($$) {	832	sub db_get($$) {
553	my $key = "$_[0]/$_[1]";	833	my $key = "$_[0]/$_[1]";
554		834
555	cf::sync_job {	835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
556	BDB::db_get $DB, undef, $key, my $data;	838	BDB::db_get $DB, undef, $key, my $data;
557		839
558	$! ? ()	840	$! ? ()
559	: $data	841	: $data
560	}
561	}	842	}
562		843
563	sub db_put($$$) {	844	sub db_put($$$) {
564	BDB::dbreq_pri 4;	845	BDB::dbreq_pri 4;
565	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
593		874
594	my @data;	875	my @data;
595	my $md5;	876	my $md5;
596		877
597	for (0 .. $#$src) {	878	for (0 .. $#$src) {
598	0 <= aio_load $src->[$_], $data[$_]	879	$data[$_] = load_file $src->[$_];
599	or Carp::croak "$src->[$_]: $!";
600	}	880	}
601		881
602	# if processing is expensive, check	882	# if processing is expensive, check
603	# checksum first	883	# checksum first
604	if (1) {	884	if (1) {
…		…
617		897
618	return db_get cache => "$id/data";	898	return db_get cache => "$id/data";
619	}	899	}
620	}	900	}
621		901
622	my $t1 = Time::HiRes::time;	902	my $t1 = EV::time;
623	my $data = $process->(\@data);	903	my $data = $process->(\@data);
624	my $t2 = Time::HiRes::time;	904	my $t2 = EV::time;
625		905
626	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
627		907
628	db_put cache => "$id/data", $data;	908	db_put cache => "$id/data", $data;
629	db_put cache => "$id/md5" , $md5;	909	db_put cache => "$id/md5" , $md5;
630	db_put cache => "$id/meta", $meta;	910	db_put cache => "$id/meta", $meta;
631		911
…		…
641		921
642	=cut	922	=cut
643		923
644	sub datalog($@) {	924	sub datalog($@) {
645	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
646	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
647	}	927	}
648		928
649	=back	929	=back
650		930
651	=cut	931	=cut
652		932
653	#############################################################################	933	#############################################################################
654		934
655	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
656		936
657	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
658	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")
659	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
660		940
661	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>
662	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
663	Crossfire TRT).	943	Deliantra).
664		944
665	=over 4	945	=over 4
666		946
667	=item $attachable->attach ($attachment, key => $value...)	947	=item $attachable->attach ($attachment, key => $value...)
668		948
…		…
712	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
713		993
714	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
715	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
716		996
717	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
718	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.
719		999
720	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
721		1001
722	=over 4	1002	=over 4
…		…
846		1126
847	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
848	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
849		1129
850	} elsif (ref $type) {	1130	} elsif (ref $type) {
851	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
852		1132
853	} else {	1133	} else {
854	shift @arg;	1134	shift @arg;
855	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
856	}	1136	}
857	}	1137	}
858	}	1138	}
859		1139
860	sub _object_attach {	1140	sub _object_attach {
…		…
870	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
871	}	1151	}
872		1152
873	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
874	} else {	1154	} else {
875	warn "object uses attachment '$name' which is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
876	}	1156	}
877		1157
878	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
879	}	1159	}
880		1160
…		…
939		1219
940	for (@$callbacks) {	1220	for (@$callbacks) {
941	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
942		1222
943	if ($@) {	1223	if ($@) {
944	warn "$@";
945	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
946	override;	1225	override;
947	}	1226	}
948		1227
949	return 1 if $override;	1228	return 1 if $override;
950	}	1229	}
951		1230
952	0	1231	0
953	}	1232	}
954		1233
955	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
956		1235
957	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
958		1237
959	Generate an object-specific event with the given arguments.	1238	Generate an object-specific event with the given arguments.
960		1239
…		…
1013		1292
1014	sub reattach {	1293	sub reattach {
1015	# basically do the same as instantiate, without calling instantiate	1294	# basically do the same as instantiate, without calling instantiate
1016	my ($obj) = @_;	1295	my ($obj) = @_;
1017		1296
		1297	# no longer needed after getting rid of delete_package?
1018	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
1019		1299
1020	my $registry = $obj->registry;	1300	my $registry = $obj->registry;
1021		1301
1022	@$registry = ();	1302	@$registry = ();
1023		1303
…		…
1028	for (@$attach) {	1308	for (@$attach) {
1029	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
1030	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
1031	}	1311	}
1032	} else {	1312	} else {
1033	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
1034	}	1314	}
1035	}	1315	}
1036	}	1316	}
1037		1317
1038	cf::attachable->attach (	1318	cf::attachable->attach (
1039	prio => -1000000,	1319	prio => -1000000,
1040	on_instantiate => sub {	1320	on_instantiate => sub {
1041	my ($obj, $data) = @_;	1321	my ($obj, $data) = @_;
1042		1322
1043	$data = from_json $data;	1323	$data = decode_json $data;
1044		1324
1045	for (@$data) {	1325	for (@$data) {
1046	my ($name, $args) = @$_;	1326	my ($name, $args) = @$_;
1047		1327
1048	$obj->attach ($name, %{$args || {} });	1328	$obj->attach ($name, %{$args || {} });
…		…
1065	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
1066		1346
1067	sync_job {	1347	sync_job {
1068	if (length $$rdata) {	1348	if (length $$rdata) {
1069	utf8::decode (my $decname = $filename);	1349	utf8::decode (my $decname = $filename);
1070	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
1071	$decname, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
1072		1353
1073	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1074	chmod SAVE_MODE, $fh;	1355	aio_chmod $fh, SAVE_MODE;
1075	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1076	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	}
1077	close $fh;	1361	aio_close $fh;
1078		1362
1079	if (@$objs) {	1363	if (@$objs) {
1080	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) {
1081	chmod SAVE_MODE, $fh;	1365	aio_chmod $fh, SAVE_MODE;
1082	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1083	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
1084	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	}
1085	close $fh;	1372	aio_close $fh;
1086	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
1087	}	1374	}
1088	} else {	1375	} else {
1089	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
1090	}	1377	}
1091		1378
1092	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
1093	} else {	1383	} else {
1094	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
1095	}	1385	}
1096	} else {	1386	} else {
1097	aio_unlink $filename;	1387	aio_unlink $filename;
1098	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
1099	}	1389	}
…		…
1118		1408
1119	unless (aio_stat "$filename.pst") {	1409	unless (aio_stat "$filename.pst") {
1120	(aio_load "$filename.pst", $av) >= 0	1410	(aio_load "$filename.pst", $av) >= 0
1121	or return;	1411	or return;
1122		1412
1123	my $st = eval { Coro::Storable::thaw $av }	1413	my $st = eval { Coro::Storable::thaw $av };
1124	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
1125	$av = $st->{objs};	1414	$av = $st->{objs};
1126	}	1415	}
1127		1416
1128	utf8::decode (my $decname = $filename);	1417	utf8::decode (my $decname = $filename);
1129	warn sprintf "loading %s (%d,%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
1130	$decname, length $data, scalar @{$av || []};	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
1131		1421
1132	($data, $av)	1422	($data, $av)
1133	}	1423	}
1134		1424
1135	=head2 COMMAND CALLBACKS	1425	=head2 COMMAND CALLBACKS
…		…
1139	=cut	1429	=cut
1140		1430
1141	#############################################################################	1431	#############################################################################
1142	# command handling &c	1432	# command handling &c
1143		1433
1144	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
1145		1435
1146	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
1147	$name.	1437	$name.
1148		1438
1149	=cut	1439	=cut
…		…
1155	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
1156		1446
1157	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
1158	}	1448	}
1159		1449
1160	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
1161		1451
1162	Register a callback for execution when the client sends an (synchronous)	1452	Register a callback for execution when the client sends an (synchronous)
1163	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
1164	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
1165	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
1166	has logged in successfully.	1456	has logged in successfully.
1167		1457
1168	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
1169	called.
1170		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
1171	=item cf::register_exticmd $name => \&callback($ns,$packet);	1465	=item cf::register_exticmd $name => \&callback($ns,@args)
1172		1466
1173	Register a callback for execution when the client sends an (asynchronous)	1467	Register a callback for execution when the client sends an (asynchronous)
1174	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
1175	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
1176	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
1177	log-in.	1471	log-in.
1178		1472
1179	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1180	called.
1181		1474
1182	=cut	1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1183		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
1184	sub register_extcmd {	1482	sub register_extcmd($$) {
1185	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1186		1484
1187	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
1188	}	1486	}
1189		1487
1190	sub register_exticmd {	1488	sub register_async_extcmd($$) {
1191	my ($name, $cb) = @_;	1489	my ($name, $cb) = @_;
1192		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
1193	$EXTICMD{$name} = $cb;	1497	$EXTICMD{$name} = $cb;
1194	}	1498	}
1195		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
1196	cf::player->attach (	1508	cf::player->attach (
1197	on_command => sub {	1509	on_unknown_command => sub {
1198	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
1199		1511
1200	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
1201	or return;	1513	or return;
1202		1514
…		…
1210	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
1211		1523
1212	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1213		1525
1214	if (ref $msg) {	1526	if (ref $msg) {
1215	my ($type, $reply, @payload) =	1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1216	"ARRAY" eq ref $msg
1217	? @$msg
1218	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1219		1528
1220	my @reply;
1221
1222	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}) {
1223	@reply = $cb->($pl, @payload);	1542	@reply = $cb->($pl, @payload);
		1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
1224	}	1547	}
1225		1548
1226	$pl->ext_reply ($reply, @reply)
1227	if $reply;
1228
1229	} else {	1549	} else {
1230	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1231	}	1551	}
1232		1552
1233	cf::override;	1553	cf::override;
1234	},	1554	},
1235	);	1555	);
1236		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
1237	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
1238	cf::sync_job {	1586	cf::sync_job {
1239	my %todo;	1587	my %todo;
1240		1588
1241	for my $path (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
1242	next unless -r $path;	1590	next unless -r $path;
…		…
1260		1608
1261	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1262	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1263		1611
1264	$ext{source} =	1612	$ext{source} =
1265	"package $pkg; use strict; use utf8;\n"	1613	"package $pkg; use common::sense;\n"
1266	. "#line 1 \"$path\"\n{\n"	1614	. "#line 1 \"$path\"\n{\n"
1267	. $source	1615	. $source
1268	. "\n};\n1";	1616	. "\n};\n1";
1269		1617
1270	$todo{$base} = \%ext;	1618	$todo{$base} = \%ext;
1271	}	1619	}
1272		1620
		1621	my $pass = 0;
1273	my %done;	1622	my %done;
1274	while (%todo) {	1623	while (%todo) {
1275	my $progress;	1624	my $progress;
1276		1625
		1626	++$pass;
		1627
		1628	ext:
1277	while (my ($k, $v) = each %todo) {	1629	while (my ($k, $v) = each %todo) {
1278	for (split /,\s*/, $v->{meta}{depends}) {	1630	for (split /,\s*/, $v->{meta}{depends}) {
1279	goto skip	1631	next ext
1280	unless exists $done{$_};	1632	unless exists $done{$_};
1281	}	1633	}
1282		1634
1283	warn "... loading '$k' into '$v->{pkg}'\n";	1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1284		1636
1285	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 $@) {
1286	my $msg = $@ ? "$v->{path}: $@\n"	1649	error "$v->{path}: $@\n";
1287	: "$v->{base}: extension inactive.\n";
1288		1650
		1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1289	if (exists $v->{meta}{mandatory}) {	1652	if exists $v->{meta}{mandatory};
1290	warn $msg;	1653
1291	warn "mandatory extension failed to load, exiting.\n";	1654	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1292	exit 1;	1655	delete $todo{$k};
1293	}	1656	} else {
1294		1657	$done{$k} = delete $todo{$k};
1295	warn $msg;	1658	push @EXTS, $v->{pkg};
		1659	$progress = 1;
		1660
		1661	info "$v->{base}: extension inactive.\n"
		1662	unless $active;
1296	}	1663	}
1297
1298	$done{$k} = delete $todo{$k};
1299	push @EXTS, $v->{pkg};
1300	$progress = 1;
1301	}	1664	}
1302		1665
1303	skip:	1666	unless ($progress) {
1304	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1305	unless $progress;	1668
		1669	while (my ($k, $v) = each %todo) {
		1670	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1671	if exists $v->{meta}{mandatory};
		1672	}
		1673
		1674	last;
		1675	}
1306	}	1676	}
1307	};	1677	};
1308	}	1678	}
1309		1679
1310	#############################################################################	1680	#############################################################################
1311		1681
1312	=back	1682	=back
1313		1683
1314	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
1315		1685
1316	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
1317		1687
1318	=cut	1688	=cut
1319		1689
1320	package cf::player;	1690	package cf::player;
1321		1691
…		…
1364		1734
1365	sub exists($) {	1735	sub exists($) {
1366	my ($login) = @_;	1736	my ($login) = @_;
1367		1737
1368	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
1369	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1370	}	1740	}
1371		1741
1372	sub find($) {	1742	sub find($) {
1373	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1374	my $login = $_[0];	1744	my $login = $_[0];
…		…
1386	my $f = new_from_file cf::object::thawer path $login	1756	my $f = new_from_file cf::object::thawer path $login
1387	or return;	1757	or return;
1388		1758
1389	my $pl = cf::player::load_pl $f	1759	my $pl = cf::player::load_pl $f
1390	or return;	1760	or return;
		1761
1391	local $cf::PLAYER_LOADING{$login} = $pl;	1762	local $cf::PLAYER_LOADING{$login} = $pl;
1392	$f->resolve_delayed_derefs;	1763	$f->resolve_delayed_derefs;
1393	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1394	}	1765	}
1395	}	1766	}
1396	}	1767	}
1397		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($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
1398	sub save($) {	1782	sub save($) {
1399	my ($pl) = @_;	1783	my ($pl) = @_;
1400		1784
1401	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
1402		1786
…		…
1405		1789
1406	return if $pl->{deny_save};	1790	return if $pl->{deny_save};
1407		1791
1408	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1409	$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];
1410		1799
1411	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1412	cf::cede_to_tick;	1801	cf::cede_to_tick;
1413	}	1802	}
1414		1803
…		…
1446	my ($pl) = @_;	1835	my ($pl) = @_;
1447		1836
1448	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1449		1838
1450	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1451	$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
1452		1841
1453	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1454	$pl->deactivate;	1843	$pl->deactivate;
		1844
		1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1455	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1456	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1457		1850
1458	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1459	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1460	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1498		1891
1499	for my $login (@$dirs) {	1892	for my $login (@$dirs) {
1500	my $path = path $login;	1893	my $path = path $login;
1501		1894
1502	# a .pst is a dead give-away for a valid player	1895	# a .pst is a dead give-away for a valid player
1503	unless (-e "$path.pst") {	1896	# if no pst file found, open and chekc for blocked users
		1897	if (aio_stat "$path.pst") {
1504	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1898	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1505	aio_read $fh, 0, 512, my $buf, 0 or next;	1899	aio_read $fh, 0, 512, my $buf, 0 or next;
1506	$buf !~ /^password -------------$/m or next; # official not-valid tag	1900	$buf !~ /^password -------------$/m or next; # official not-valid tag
1507	}	1901	}
1508		1902
…		…
1512		1906
1513	\@logins	1907	\@logins
1514	}	1908	}
1515		1909
1516	=item $player->maps	1910	=item $player->maps
		1911
		1912	=item cf::player::maps $login
1517		1913
1518	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1519	player. May block.	1915	player. May block.
1520		1916
1521	=cut	1917	=cut
…		…
1539	}	1935	}
1540		1936
1541	\@paths	1937	\@paths
1542	}	1938	}
1543		1939
1544	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1545		1941
1546	Expand crossfire pod fragments into protocol xml.	1942	Expand deliantra pod fragments into protocol xml.
1547
1548	=cut
1549
1550	sub expand_cfpod {
1551	((my $self), (local $_)) = @_;
1552
1553	# escape & and <
1554	s/&/&amp;/g;
1555	s/(?<![BIUGHT])</&lt;/g;
1556
1557	# this is buggy, it needs to properly take care of nested <'s
1558
1559	1 while
1560	# replace B<>, I<>, U<> etc.
1561	s/B<([^\>]*)>/<b>$1<\/b>/
1562	|| s/I<([^\>]*)>/<i>$1<\/i>/
1563	|| s/U<([^\>]*)>/<u>$1<\/u>/
1564	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1565	# replace G<male|female> tags
1566	|| s{G<([^>|]*)\|([^>]*)>}{
1567	$self->gender ? $2 : $1
1568	}ge
1569	# replace H<hint text>
1570	|| s{H<([^\>]*)>}
1571	{
1572	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1573	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1574	"")
1575	[$self->{hintmode}]
1576	}ge;
1577
1578	# create single paragraphs (very hackish)
1579	s/(?<=\S)\n(?=\w)/ /g;
1580
1581	# compress some whitespace
1582	s/\s+\n/\n/g; # ws line-ends
1583	s/\n\n+/\n/g; # double lines
1584	s/^\n+//; # beginning lines
1585	s/\n+$//; # ending lines
1586
1587	$_
1588	}
1589
1590	sub hintmode {
1591	$_[0]{hintmode} = $_[1] if @_ > 1;
1592	$_[0]{hintmode}
1593	}
1594
1595	=item $player->ext_reply ($msgid, @msg)
1596
1597	Sends an ext reply to the player.
1598
1599	=cut
1600
1601	sub ext_reply($$@) {
1602	my ($self, $id, @msg) = @_;
1603
1604	$self->ns->ext_reply ($id, @msg)
1605	}
1606		1943
1607	=item $player->ext_msg ($type, @msg)	1944	=item $player->ext_msg ($type, @msg)
1608		1945
1609	Sends an ext event to the client.	1946	Sends an ext event to the client.
1610		1947
…		…
1630		1967
1631	=cut	1968	=cut
1632		1969
1633	sub find_by_path($) {	1970	sub find_by_path($) {
1634	my ($path) = @_;	1971	my ($path) = @_;
		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
1635		1974
1636	my ($match, $specificity);	1975	my ($match, $specificity);
1637		1976
1638	for my $region (list) {	1977	for my $region (list) {
1639	if ($region->{match} && $path =~ $region->{match}) {	1978	if ($region->{match} && $path =~ $region->{match}) {
…		…
1665	our $MAX_RESET = 3600;	2004	our $MAX_RESET = 3600;
1666	our $DEFAULT_RESET = 3000;	2005	our $DEFAULT_RESET = 3000;
1667		2006
1668	sub generate_random_map {	2007	sub generate_random_map {
1669	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1670	# mit "rum" bekleckern, nicht	2009
		2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2011
1671	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1672	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1673	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1674	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1675	$rmp->{exit_on_final_map},
1676	$rmp->{xsize}, $rmp->{ysize},
1677	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1678	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1679	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1680	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1681	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1682	(cf::region::find $rmp->{region}), $rmp->{custom}
1683	)
1684	}	2013	}
1685		2014
1686	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1687		2016
1688	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
…		…
1693		2022
1694	sub register {	2023	sub register {
1695	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1696	my $pkg = caller;	2025	my $pkg = caller;
1697		2026
1698	no strict;
1699	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1700		2028
1701	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1702	}	2030	}
1703		2031
1704	# also paths starting with '/'	2032	# also paths starting with '/'
1705	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1706		2034
1707	sub thawer_merge {	2035	sub thawer_merge {
1708	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1709		2037
1710	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
…		…
1715	}	2043	}
1716		2044
1717	sub normalise {	2045	sub normalise {
1718	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1719		2047
1720	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1721		2049
1722	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1723		2051
1724	# map plan:	2052	# map plan:
1725	#	2053	#
…		…
1740	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1741	$path = "$base/$path";	2069	$path = "$base/$path";
1742	}	2070	}
1743		2071
1744	for ($path) {	2072	for ($path) {
1745	redo if s{//}{/};
1746	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1747	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1748	}	2075	}
1749		2076
1750	$path	2077	$path
…		…
1764	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1765	return $self;	2092	return $self;
1766	}	2093	}
1767	}	2094	}
1768		2095
1769	Carp::cluck "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1770	()	2097	()
1771	}	2098	}
1772		2099
		2100	# may re-bless or do other evil things
1773	sub init {	2101	sub init {
1774	my ($self) = @_;	2102	my ($self) = @_;
1775		2103
1776	$self	2104	$self
1777	}	2105	}
…		…
1796		2124
1797	# the temporary/swap location	2125	# the temporary/swap location
1798	sub save_path {	2126	sub save_path {
1799	my ($self) = @_;	2127	my ($self) = @_;
1800		2128
1801	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2129	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1802	"$TMPDIR/$path.map"	2130	"$TMPDIR/$path.map"
1803	}	2131	}
1804		2132
1805	# the unique path, undef == no special unique path	2133	# the unique path, undef == no special unique path
1806	sub uniq_path {	2134	sub uniq_path {
1807	my ($self) = @_;	2135	my ($self) = @_;
1808		2136
1809	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1810	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1811	}
1812
1813	# and all this just because we cannot iterate over
1814	# all maps in C++...
1815	sub change_all_map_light {
1816	my ($change) = @_;
1817
1818	$_->change_map_light ($change)
1819	for grep $_->outdoor, values %cf::MAP;
1820	}	2139	}
1821		2140
1822	sub decay_objects {	2141	sub decay_objects {
1823	my ($self) = @_;	2142	my ($self) = @_;
1824		2143
…		…
1851	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1852		2171
1853	1	2172	1
1854	}	2173	}
1855		2174
		2175	# used to laod the header of an original map
1856	sub load_header_orig {	2176	sub load_header_orig {
1857	my ($self) = @_;	2177	my ($self) = @_;
1858		2178
1859	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1860	}	2180	}
1861		2181
		2182	# used to laod the header of an instantiated map
1862	sub load_header_temp {	2183	sub load_header_temp {
1863	my ($self) = @_;	2184	my ($self) = @_;
1864		2185
1865	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1866	}	2187	}
1867		2188
		2189	# called after loading the header from an instantiated map
1868	sub prepare_temp {	2190	sub prepare_temp {
1869	my ($self) = @_;	2191	my ($self) = @_;
1870		2192
1871	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1872	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1873	# safety	2195	# safety
1874	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1875	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1876	}	2198	}
1877		2199
		2200	# called after loading the header from an original map
1878	sub prepare_orig {	2201	sub prepare_orig {
1879	my ($self) = @_;	2202	my ($self) = @_;
1880		2203
1881	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1882	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1906		2229
1907	sub find;	2230	sub find;
1908	sub find {	2231	sub find {
1909	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1910		2233
		2234	cf::cede_to_tick;
		2235
1911	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1912		2237
1913	cf::lock_wait "map_data:$path";#d#remove	2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1914	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1915		2240
1916	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1917	my $guard1 = cf::lock_acquire "map_find:$path";
1918	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1919
1920	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1921	or return;	2243	or return;
1922		2244
1923	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1924		2246
…		…
1926	or return;	2248	or return;
1927		2249
1928	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2250	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1929	# doing this can freeze the server in a sync job, obviously	2251	# doing this can freeze the server in a sync job, obviously
1930	#$cf::WAIT_FOR_TICK->wait;	2252	#$cf::WAIT_FOR_TICK->wait;
		2253	undef $guard2;
1931	undef $guard1;	2254	undef $guard1;
1932	undef $guard2;
1933	$map->reset;	2255	$map->reset;
1934	return find $path;	2256	return find $path;
1935	}	2257	}
1936		2258
1937	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1938	}	2260	}
1939	}	2261	}
1940		2262
1941	sub pre_load { }	2263	sub pre_load { }
1942	sub post_load { }	2264	#sub post_load { } # XS
1943		2265
1944	sub load {	2266	sub load {
1945	my ($self) = @_;	2267	my ($self) = @_;
1946		2268
1947	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1950		2272
1951	{	2273	{
1952	my $guard = cf::lock_acquire "map_data:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
1953		2275
1954	return unless $self->valid;	2276	return unless $self->valid;
1955	return unless $self->in_memory == cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
1956
1957	$self->in_memory (cf::MAP_LOADING);
1958		2278
1959	$self->alloc;	2279	$self->alloc;
1960		2280
1961	$self->pre_load;	2281	$self->pre_load;
1962	cf::cede_to_tick;	2282	cf::cede_to_tick;
1963		2283
		2284	if (exists $self->{load_path}) {
1964	my $f = new_from_file cf::object::thawer $self->{load_path};	2285	my $f = new_from_file cf::object::thawer $self->{load_path};
1965	$f->skip_block;	2286	$f->skip_block;
1966	$self->_load_objects ($f)	2287	$self->_load_objects ($f)
1967	or return;	2288	or return;
1968		2289
1969	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
1970	if delete $self->{load_original};	2291	if delete $self->{load_original};
1971		2292
1972	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
1973	utf8::encode $uniq;	2294	utf8::encode $uniq;
1974	unless (aio_stat $uniq) {	2295	unless (aio_stat $uniq) {
1975	if (my $f = new_from_file cf::object::thawer $uniq) {	2296	if (my $f = new_from_file cf::object::thawer $uniq) {
1976	$self->clear_unique_items;	2297	$self->clear_unique_items;
1977	$self->_load_objects ($f);	2298	$self->_load_objects ($f);
1978	$f->resolve_delayed_derefs;	2299	$f->resolve_delayed_derefs;
		2300	}
1979	}	2301	}
1980	}	2302	}
1981	}
1982		2303
1983	$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);
1984		2311
1985	cf::cede_to_tick;	2312	cf::cede_to_tick;
1986	# now do the right thing for maps	2313	# now do the right thing for maps
1987	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
1988	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
…		…
1992	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
1993	$self->decay_objects;	2320	$self->decay_objects;
1994	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
1995	$self->update_buttons;	2322	$self->update_buttons;
1996	cf::cede_to_tick;	2323	cf::cede_to_tick;
1997	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
1998	cf::cede_to_tick;
1999	$self->activate;
2000	}	2325	}
2001		2326
2002	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
2003	$self->last_access ($cf::RUNTIME);	2328	$self->last_access ($cf::RUNTIME);
2004
2005	$self->in_memory (cf::MAP_IN_MEMORY);
2006	}	2329	}
2007		2330
2008	$self->post_load;	2331	$self->post_load;
2009	}
2010		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
2011	sub customise_for {	2339	sub customise_for {
2012	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
2013		2341
2014	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
2015	if $self->per_player;	2343	if $self->per_player;
…		…
2018	# if $self->per_party;	2346	# if $self->per_party;
2019		2347
2020	$self	2348	$self
2021	}	2349	}
2022		2350
2023	# find and load all maps in the 3x3 area around a map
2024	sub load_neighbours {
2025	my ($map) = @_;
2026
2027	my @neigh; # diagonal neighbours
2028
2029	for (0 .. 3) {
2030	my $neigh = $map->tile_path ($_)
2031	or next;
2032	$neigh = find $neigh, $map
2033	or next;
2034	$neigh->load;
2035
2036	push @neigh,
2037	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2038	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2039	}
2040
2041	for (grep defined $_->[0], @neigh) {
2042	my ($path, $origin) = @$_;
2043	my $neigh = find $path, $origin
2044	or next;
2045	$neigh->load;
2046	}
2047	}
2048
2049	sub find_sync {	2351	sub find_sync {
2050	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
2051		2353
2052	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
2053	}	2359	}
2054		2360
2055	sub do_load_sync {	2361	sub do_load_sync {
2056	my ($map) = @_;	2362	my ($map) = @_;
2057		2363
		2364	# it's a bug to call this from the main context
2058	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2059	if $Coro::current == $Coro::main;	2366	if $Coro::current == $Coro::main;
2060		2367
2061	cf::sync_job { $map->load };	2368	$map->load;
2062	}	2369	}
2063		2370
2064	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
2065	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
2066		2373
2067	sub find_async {	2374	sub find_async {
2068	my ($path, $origin, $load) = @_;	2375	my ($path, $origin, $load) = @_;
2069		2376
2070	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
2071		2378
2072	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
2073	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2380	return $map if !$load || $map->linkable;
2074	}	2381	}
2075		2382
2076	$MAP_PREFETCH{$path} |= $load;	2383	$MAP_PREFETCH{$path} |= $load;
2077		2384
2078	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
…		…
2092	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
2093		2400
2094	()	2401	()
2095	}	2402	}
2096		2403
		2404	# common code, used by both ->save and ->swapout
2097	sub save {	2405	sub _save {
2098	my ($self) = @_;	2406	my ($self) = @_;
2099
2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
2101		2407
2102	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
2103		2409
2104	return unless $self->dirty;	2410	return unless $self->dirty;
2105		2411
…		…
2114		2420
2115	cf::async {	2421	cf::async {
2116	$Coro::current->{desc} = "map player save";	2422	$Coro::current->{desc} = "map player save";
2117	$_->contr->save for $self->players;	2423	$_->contr->save for $self->players;
2118	};	2424	};
		2425
		2426	cf::get_slot 0.02;
2119		2427
2120	if ($uniq) {	2428	if ($uniq) {
2121	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2429	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2122	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2430	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2123	} else {	2431	} else {
2124	$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);
2125	}	2433	}
2126	}	2434	}
2127		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
2128	sub swap_out {	2444	sub swap_out {
2129	my ($self) = @_;	2445	my ($self) = @_;
2130		2446
2131	# save first because save cedes
2132	$self->save;
2133
2134	my $lock = cf::lock_acquire "map_data:$self->{path}";	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
2135		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
2136	return if $self->players;	2451	return if $self->players;
2137	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
2138	return if $self->{deny_save};	2469	return 1e99 if $self->{deny_reset};
2139		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
2140	$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};
2141		2503
2142	$self->deactivate;	2504	$self->deactivate;
2143	$_->clear_links_to ($self) for values %cf::MAP;	2505	$_->clear_links_to ($self) for values %cf::MAP;
2144	$self->clear;	2506	$self->clear;
2145	}
2146
2147	sub reset_at {
2148	my ($self) = @_;
2149
2150	# TODO: safety, remove and allow resettable per-player maps
2151	return 1e99 if $self->{deny_reset};
2152
2153	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2154	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2155
2156	$time + $to
2157	}
2158
2159	sub should_reset {
2160	my ($self) = @_;
2161
2162	$self->reset_at <= $cf::RUNTIME
2163	}
2164
2165	sub reset {
2166	my ($self) = @_;
2167
2168	my $lock = cf::lock_acquire "map_data:$self->{path}";
2169
2170	return if $self->players;
2171
2172	warn "resetting map ", $self->path;
2173
2174	$self->in_memory (cf::MAP_SWAPPED);
2175
2176	# need to save uniques path
2177	unless ($self->{deny_save}) {
2178	my $uniq = $self->uniq_path; utf8::encode $uniq;
2179
2180	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2181	if $uniq;
2182	}
2183
2184	delete $cf::MAP{$self->path};
2185
2186	$self->deactivate;
2187	$_->clear_links_to ($self) for values %cf::MAP;
2188	$self->clear;
2189		2507
2190	$self->unlink_save;	2508	$self->unlink_save;
2191	$self->destroy;	2509	$self->destroy;
2192	}	2510	}
2193		2511
…		…
2201		2519
2202	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
2203		2521
2204	$self->unlink_save;	2522	$self->unlink_save;
2205		2523
2206	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
2207	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
2208	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
2209	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
2210	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2211		2529
…		…
2260		2578
2261	sub unique_maps() {	2579	sub unique_maps() {
2262	[	2580	[
2263	map {	2581	map {
2264	utf8::decode $_;	2582	utf8::decode $_;
2265	/\.map$/	2583	s/\.map$//; # TODO future compatibility hack
		2584	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2585	? ()
2266	? normalise $_	2586	: normalise $_
2267	: ()
2268	} @{ aio_readdir $UNIQUEDIR or [] }	2587	} @{ aio_readdir $UNIQUEDIR or [] }
2269	]	2588	]
2270	}	2589	}
2271		2590
2272	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	}
2273		2622
2274	=back	2623	=back
2275		2624
2276	=head3 cf::object	2625	=head3 cf::object
2277		2626
…		…
2281		2630
2282	=over 4	2631	=over 4
2283		2632
2284	=item $ob->inv_recursive	2633	=item $ob->inv_recursive
2285		2634
2286	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.
2287		2637
2288	=cut	2638	=cut
2289		2639
2290	sub inv_recursive_;	2640	sub inv_recursive_;
2291	sub inv_recursive_ {	2641	sub inv_recursive_ {
…		…
2296	inv_recursive_ inv $_[0]	2646	inv_recursive_ inv $_[0]
2297	}	2647	}
2298		2648
2299	=item $ref = $ob->ref	2649	=item $ref = $ob->ref
2300		2650
2301	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.
2302		2652
2303	=item $ob = cf::object::deref ($refstring)	2653	=item $ob = cf::object::deref ($refstring)
2304		2654
2305	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,
2306	even if the object actually exists. May block.	2656	even if the object actually exists. May block.
2307		2657
2308	=cut	2658	=cut
2309		2659
2310	sub deref {	2660	sub deref {
…		…
2338	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
2339	dialogue with the given NPC character.	2689	dialogue with the given NPC character.
2340		2690
2341	=cut	2691	=cut
2342		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
2343	# rough implementation of a future "reply" method that works	2707	# rough implementation of a future "reply" method that works
2344	# with dialog boxes.	2708	# with dialog boxes.
2345	#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
2346	sub cf::object::player::reply($$$;$) {	2710	sub cf::object::player::reply($$$;$) {
2347	my ($self, $npc, $msg, $flags) = @_;	2711	my ($self, $npc, $msg, $flags) = @_;
…		…
2358	my $dialog = $pl->{npc_dialog};	2722	my $dialog = $pl->{npc_dialog};
2359	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2723	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2360		2724
2361	} else {	2725	} else {
2362	$msg = $npc->name . " says: $msg" if $npc;	2726	$msg = $npc->name . " says: $msg" if $npc;
2363	$self->message ($msg, $flags);	2727	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2364	}	2728	}
2365	}	2729	}
2366	}	2730	}
2367		2731
2368	=item $object->send_msg ($channel, $msg, $color, [extra...])	2732	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2393		2757
2394	=item $player_object->enter_link	2758	=item $player_object->enter_link
2395		2759
2396	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}>).
2397		2761
2398	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.
2399	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.
2400		2766
2401	Will never block.	2767	Will never block.
2402		2768
2403	=item $player_object->leave_link ($map, $x, $y)	2769	=item $player_object->leave_link ($map, $x, $y)
2404		2770
…		…
2424	sub cf::object::player::enter_link {	2790	sub cf::object::player::enter_link {
2425	my ($self) = @_;	2791	my ($self) = @_;
2426		2792
2427	$self->deactivate_recursive;	2793	$self->deactivate_recursive;
2428		2794
		2795	++$self->{_link_recursion};
		2796
2429	return if UNIVERSAL::isa $self->map, "ext::map_link";	2797	return if UNIVERSAL::isa $self->map, "ext::map_link";
2430		2798
2431	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2432	if $self->map && $self->map->{path} ne "{link}";	2800	if $self->map && $self->map->{path} ne "{link}";
2433		2801
2434	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2802	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2435	}	2803	}
2436		2804
2437	sub cf::object::player::leave_link {	2805	sub cf::object::player::leave_link {
2438	my ($self, $map, $x, $y) = @_;	2806	my ($self, $map, $x, $y) = @_;
2439		2807
…		…
2456	($x, $y) = (-1, -1)	2824	($x, $y) = (-1, -1)
2457	unless (defined $x) && (defined $y);	2825	unless (defined $x) && (defined $y);
2458		2826
2459	# use -1 or undef as default coordinates, not 0, 0	2827	# use -1 or undef as default coordinates, not 0, 0
2460	($x, $y) = ($map->enter_x, $map->enter_y)	2828	($x, $y) = ($map->enter_x, $map->enter_y)
2461	if $x <=0 && $y <= 0;	2829	if $x <= 0 && $y <= 0;
2462		2830
2463	$map->load;	2831	$map->load;
2464	$map->load_neighbours;
2465		2832
2466	return unless $self->contr->active;	2833	return unless $self->contr->active;
2467	$self->activate_recursive;
2468		2834
2469	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2470	$self->enter_map ($map, $x, $y);	2836	if ($self->enter_map ($map, $x, $y)) {
2471	}	2837	# entering was successful
		2838	delete $self->{_link_recursion};
		2839	# only activate afterwards, to support waiting in hooks
		2840	$self->activate_recursive;
		2841	}
2472		2842
		2843	}
		2844
2473	=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)]])
2474		2846
2475	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
2476	her, loading and preparing them map, calling the provided $check callback	2848	her, loading and preparing them map, calling the provided $check callback
2477	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
2478	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
2479	be called at the end of this process.	2851	be called at the end of this process.
2480		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
2481	=cut	2856	=cut
2482		2857
2483	our $GOTOGEN;	2858	our $GOTOGEN;
2484		2859
2485	sub cf::object::player::goto {	2860	sub cf::object::player::goto {
2486	my ($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	}
2487		2868
2488	# 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
2489	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2870	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2490		2871
2491	$self->enter_link;	2872	$self->enter_link;
…		…
2511	($path, $x, $y) = (undef, undef, undef);	2892	($path, $x, $y) = (undef, undef, undef);
2512	}	2893	}
2513	}	2894	}
2514		2895
2515	my $map = eval {	2896	my $map = eval {
2516	my $map = defined $path ? cf::map::find $path : undef;	2897	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2517		2898
2518	if ($map) {	2899	if ($map) {
2519	$map = $map->customise_for ($self);	2900	$map = $map->customise_for ($self);
2520	$map = $check->($map) if $check && $map;	2901	$map = $check->($map, $x, $y, $self) if $check && $map;
2521	} else {	2902	} else {
2522	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2903	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2523	}	2904	}
2524		2905
2525	$map	2906	$map
…		…
2533	if ($gen == $self->{_goto_generation}) {	2914	if ($gen == $self->{_goto_generation}) {
2534	delete $self->{_goto_generation};	2915	delete $self->{_goto_generation};
2535	$self->leave_link ($map, $x, $y);	2916	$self->leave_link ($map, $x, $y);
2536	}	2917	}
2537		2918
2538	$done->() if $done;	2919	$done->($self) if $done;
2539	})->prio (1);	2920	})->prio (1);
2540	}	2921	}
2541		2922
2542	=item $player_object->enter_exit ($exit_object)	2923	=item $player_object->enter_exit ($exit_object)
2543		2924
…		…
2563	}	2944	}
2564		2945
2565	sub prepare_random_map {	2946	sub prepare_random_map {
2566	my ($exit) = @_;	2947	my ($exit) = @_;
2567		2948
2568	my $guard = cf::lock_acquire "exit_prepare:$exit";
2569
2570	# all this does is basically replace the /! path by	2949	# all this does is basically replace the /! path by
2571	# a new random map path (?random/...) with a seed	2950	# a new random map path (?random/...) with a seed
2572	# that depends on the exit object	2951	# that depends on the exit object
2573		2952
2574	my $rmp = parse_random_map_params $exit->msg;	2953	my $rmp = parse_random_map_params $exit->msg;
…		…
2576	if ($exit->map) {	2955	if ($exit->map) {
2577	$rmp->{region} = $exit->region->name;	2956	$rmp->{region} = $exit->region->name;
2578	$rmp->{origin_map} = $exit->map->path;	2957	$rmp->{origin_map} = $exit->map->path;
2579	$rmp->{origin_x} = $exit->x;	2958	$rmp->{origin_x} = $exit->x;
2580	$rmp->{origin_y} = $exit->y;	2959	$rmp->{origin_y} = $exit->y;
		2960
		2961	$exit->map->touch;
2581	}	2962	}
2582		2963
2583	$rmp->{random_seed} ||= $exit->random_seed;	2964	$rmp->{random_seed} ||= $exit->random_seed;
2584		2965
2585	my $data = cf::to_json $rmp;	2966	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2586	my $md5 = Digest::MD5::md5_hex $data;	2967	my $md5 = Digest::MD5::md5_hex $data;
2587	my $meta = "$RANDOMDIR/$md5.meta";	2968	my $meta = "$RANDOMDIR/$md5.meta";
2588		2969
2589	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2970	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2590	aio_write $fh, 0, (length $data), $data, 0;	2971	aio_write $fh, 0, (length $data), $data, 0;
2591	undef $fh;	2972	undef $fh;
2592	aio_rename "$meta~", $meta;	2973	aio_rename "$meta~", $meta;
2593		2974
		2975	my $slaying = "?random/$md5";
		2976
		2977	if ($exit->valid) {
2594	$exit->slaying ("?random/$md5");	2978	$exit->slaying ("?random/$md5");
2595	$exit->msg (undef);	2979	$exit->msg (undef);
		2980	}
2596	}	2981	}
2597	}	2982	}
2598		2983
2599	sub cf::object::player::enter_exit {	2984	sub cf::object::player::enter_exit {
2600	my ($self, $exit) = @_;	2985	my ($self, $exit) = @_;
2601		2986
2602	return unless $self->type == cf::PLAYER;	2987	return unless $self->type == cf::PLAYER;
2603		2988
2604	if ($exit->slaying eq "/!") {
2605	#TODO: this should de-fi-ni-te-ly not be a sync-job
2606	# the problem is that $exit might not survive long enough
2607	# so it needs to be done right now, right here
2608	cf::sync_job { prepare_random_map $exit };
2609	}
2610
2611	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2612	my $hp = $exit->stats->hp;
2613	my $sp = $exit->stats->sp;
2614
2615	$self->enter_link;	2989	$self->enter_link;
2616		2990
2617	# if exit is damned, update players death & WoR home-position
2618	$self->contr->savebed ($slaying, $hp, $sp)
2619	if $exit->flag (FLAG_DAMNED);
2620
2621	(async {	2991	(async {
2622	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2992	$Coro::current->{desc} = "enter_exit";
2623		2993
2624	$self->deactivate_recursive; # just to be sure
2625	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
2626	$self->goto ($slaying, $hp, $sp);	3024	$self->goto ($map, $x, $y);
2627		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
2628	1;	3030	1
2629	}) {	3031	}) {
2630	$self->message ("Something went wrong deep within the crossfire server. "	3032	$self->message ("Something went wrong deep within the deliantra server. "
2631	. "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. "
2632	. "Please report this to the dungeon master!",	3034	. "Please report this to the dungeon master!",
2633	cf::NDI_UNIQUE | cf::NDI_RED);	3035	cf::NDI_UNIQUE | cf::NDI_RED);
2634		3036
2635	warn "ERROR in enter_exit: $@";	3037	error "ERROR in enter_exit: $@";
2636	$self->leave_link;	3038	$self->leave_link;
2637	}	3039	}
2638	})->prio (1);	3040	})->prio (1);
2639	}	3041	}
2640		3042
2641	=head3 cf::client	3043	=head3 cf::client
2642		3044
2643	=over 4	3045	=over 4
2644		3046
2645	=item $client->send_drawinfo ($text, $flags)	3047	=item $client->send_big_packet ($pkt)
2646		3048
2647	Sends a drawinfo packet to the client. Circumvents output buffering so	3049	Like C<send_packet>, but tries to compress large packets, and fragments
2648	should not be used under normal circumstances.	3050	them as required.
2649		3051
2650	=cut	3052	=cut
2651		3053
		3054	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3055
2652	sub cf::client::send_drawinfo {	3056	sub cf::client::send_big_packet {
2653	my ($self, $text, $flags) = @_;	3057	my ($self, $pkt) = @_;
2654		3058
2655	utf8::encode $text;	3059	# try lzf for large packets
2656	$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);
2657	}	3070	}
2658		3071
2659	=item $client->send_msg ($channel, $msg, $color, [extra...])	3072	=item $client->send_msg ($channel, $msg, $color, [extra...])
2660		3073
2661	Send a drawinfo or msg packet to the client, formatting the msg for the	3074	Send a msg packet to the client, formatting the msg for the client if
2662	client if neccessary. C<$type> should be a string identifying the type of	3075	necessary. C<$type> should be a string identifying the type of the
2663	the message, with C<log> being the default. If C<$color> is negative, suppress	3076	message, with C<log> being the default. If C<$color> is negative, suppress
2664	the message unless the client supports the msg packet.	3077	the message unless the client supports the msg packet.
2665		3078
2666	=cut	3079	=cut
2667		3080
		3081	# non-persistent channels (usually the info channel)
2668	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	},
2669	"c/identify" => {	3089	"c/identify" => {
2670	id => "infobox",	3090	id => "infobox",
2671	title => "Identify",	3091	title => "Identify",
2672	reply => undef,	3092	reply => undef,
2673	tooltip => "Items recently identified",	3093	tooltip => "Items recently identified",
…		…
2676	id => "infobox",	3096	id => "infobox",
2677	title => "Examine",	3097	title => "Examine",
2678	reply => undef,	3098	reply => undef,
2679	tooltip => "Signs and other items you examined",	3099	tooltip => "Signs and other items you examined",
2680	},	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	},
2681	"c/lookat" => {	3113	"c/lookat" => {
2682	id => "infobox",	3114	id => "infobox",
2683	title => "Look",	3115	title => "Look",
2684	reply => undef,	3116	reply => undef,
2685	tooltip => "What you saw there",	3117	tooltip => "What you saw there",
2686	},	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" => $CHAT_CHANNEL,
2687	);	3199	);
2688		3200
2689	sub cf::client::send_msg {	3201	sub cf::client::send_msg {
2690	my ($self, $channel, $msg, $color, @extra) = @_;	3202	my ($self, $channel, $msg, $color, @extra) = @_;
2691		3203
2692	$msg = $self->pl->expand_cfpod ($msg);	3204	$msg = $self->pl->expand_cfpod ($msg)
		3205	unless $color & cf::NDI_VERBATIM;
2693		3206
2694	$color &= cf::NDI_CLIENT_MASK; # just in case...	3207	$color &= cf::NDI_CLIENT_MASK; # just in case...
2695		3208
2696	# check predefined channels, for the benefit of C	3209	# check predefined channels, for the benefit of C
2697	if ($CHANNEL{$channel}) {	3210	if ($CHANNEL{$channel}) {
2698	$channel = $CHANNEL{$channel};	3211	$channel = $CHANNEL{$channel};
2699		3212
2700	$self->ext_msg (channel_info => $channel)	3213	$self->ext_msg (channel_info => $channel);
2701	if $self->can_msg;
2702
2703	$channel = $channel->{id};	3214	$channel = $channel->{id};
2704		3215
2705	} elsif (ref $channel) {	3216	} elsif (ref $channel) {
2706	# send meta info to client, if not yet sent	3217	# send meta info to client, if not yet sent
2707	unless (exists $self->{channel}{$channel->{id}}) {	3218	unless (exists $self->{channel}{$channel->{id}}) {
2708	$self->{channel}{$channel->{id}} = $channel;	3219	$self->{channel}{$channel->{id}} = $channel;
2709	$self->ext_msg (channel_info => $channel)	3220	$self->ext_msg (channel_info => $channel);
2710	if $self->can_msg;
2711	}	3221	}
2712		3222
2713	$channel = $channel->{id};	3223	$channel = $channel->{id};
2714	}	3224	}
2715		3225
2716	return unless @extra || length $msg;	3226	return unless @extra || length $msg;
2717		3227
2718	if ($self->can_msg) {
2719	# default colour, mask it out	3228	# default colour, mask it out
2720	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3229	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2721	if $color & cf::NDI_DEF;	3230	if $color & cf::NDI_DEF;
2722		3231
2723	$self->send_packet ("msg " . $self->{json_coder}->encode (	3232	my $pkt = "msg "
		3233	. $self->{json_coder}->encode (
2724	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3234	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2725	} else {	3235	);
2726	if ($color >= 0) {
2727	# replace some tags by gcfclient-compatible ones
2728	for ($msg) {
2729	1 while
2730	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2731	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2732	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2733	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2734	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2735	}
2736		3236
2737	$color &= cf::NDI_COLOR_MASK;	3237	$self->send_big_packet ($pkt);
2738
2739	utf8::encode $msg;
2740
2741	if (0 && $msg =~ /\[/) {
2742	# COMMAND/INFO
2743	$self->send_packet ("drawextinfo $color 10 8 $msg")
2744	} else {
2745	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2746	$self->send_packet ("drawinfo $color $msg")
2747	}
2748	}
2749	}
2750	}	3238	}
2751		3239
2752	=item $client->ext_msg ($type, @msg)	3240	=item $client->ext_msg ($type, @msg)
2753		3241
2754	Sends an ext event to the client.	3242	Sends an ext event to the client.
…		…
2756	=cut	3244	=cut
2757		3245
2758	sub cf::client::ext_msg($$@) {	3246	sub cf::client::ext_msg($$@) {
2759	my ($self, $type, @msg) = @_;	3247	my ($self, $type, @msg) = @_;
2760		3248
2761	if ($self->extcmd == 2) {
2762	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3249	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2763	} elsif ($self->extcmd == 1) { # TODO: remove
2764	push @msg, msgtype => "event_$type";
2765	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2766	}
2767	}
2768
2769	=item $client->ext_reply ($msgid, @msg)
2770
2771	Sends an ext reply to the client.
2772
2773	=cut
2774
2775	sub cf::client::ext_reply($$@) {
2776	my ($self, $id, @msg) = @_;
2777
2778	if ($self->extcmd == 2) {
2779	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2780	} elsif ($self->extcmd == 1) {
2781	#TODO: version 1, remove
2782	unshift @msg, msgtype => "reply", msgid => $id;
2783	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2784	}
2785	}	3250	}
2786		3251
2787	=item $success = $client->query ($flags, "text", \&cb)	3252	=item $success = $client->query ($flags, "text", \&cb)
2788		3253
2789	Queues a query to the client, calling the given callback with	3254	Queues a query to the client, calling the given callback with
…		…
2809		3274
2810	$self->send_packet ($self->{query_queue}[0][0])	3275	$self->send_packet ($self->{query_queue}[0][0])
2811	if @{ $self->{query_queue} } == 1;	3276	if @{ $self->{query_queue} } == 1;
2812		3277
2813	1	3278	1
		3279	}
		3280
		3281	=item $client->update_command_faces
		3282
		3283	=cut
		3284
		3285	our @COMMAND_FACES; # [normal commands, emotes, dm commands]
		3286
		3287	sub cf::client::update_command_faces {
		3288	my ($self) = @_;
		3289
		3290	my @faces = (
		3291	$COMMAND_FACES[0],
		3292	$COMMAND_FACES[1],
		3293	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACES[2] : ()
		3294	);
		3295
		3296	$self->send_face ($_)
		3297	for @faces;
		3298	$self->flush_fx;
		3299
		3300	$self->ext_msg (command_list => @faces);
		3301	}
		3302
		3303	=item cf::client::set_command_faces $normal_commands, $emotes, $dm_commands
		3304
		3305	=cut
		3306
		3307	sub cf::client::set_command_faces {
		3308	@COMMAND_FACES = @_;
2814	}	3309	}
2815		3310
2816	cf::client->attach (	3311	cf::client->attach (
2817	on_connect => sub {	3312	on_connect => sub {
2818	my ($ns) = @_;	3313	my ($ns) = @_;
…		…
2844	my ($ns, $buf) = @_;	3339	my ($ns, $buf) = @_;
2845		3340
2846	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3341	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2847		3342
2848	if (ref $msg) {	3343	if (ref $msg) {
2849	my ($type, $reply, @payload) =	3344	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2850	"ARRAY" eq ref $msg
2851	? @$msg
2852	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2853		3345
2854	my @reply;
2855
2856	if (my $cb = $EXTICMD{$type}) {	3346	if (my $cb = $EXTIACMD{$type}) {
		3347	$cb->(
		3348	$ns,
		3349	sub {
		3350	$ns->ext_msg ("reply-$reply", @_)
		3351	if $reply;
		3352	},
		3353	@payload
		3354	);
		3355	} else {
		3356	my @reply;
		3357
		3358	if (my $cb = $EXTICMD{$type}) {
2857	@reply = $cb->($ns, @payload);	3359	@reply = $cb->($ns, @payload);
		3360	}
		3361
		3362	$ns->ext_msg ("reply-$reply", @reply)
		3363	if $reply;
2858	}	3364	}
2859
2860	$ns->ext_reply ($reply, @reply)
2861	if $reply;
2862
2863	} else {	3365	} else {
2864	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3366	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2865	}	3367	}
2866		3368
2867	cf::override;	3369	cf::override;
2868	},	3370	},
2869	);	3371	);
…		…
2889		3391
2890	$coro	3392	$coro
2891	}	3393	}
2892		3394
2893	cf::client->attach (	3395	cf::client->attach (
2894	on_destroy => sub {	3396	on_client_destroy => sub {
2895	my ($ns) = @_;	3397	my ($ns) = @_;
2896		3398
2897	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3399	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2898	},	3400	},
2899	);	3401	);
…		…
2915	our $safe_hole = new Safe::Hole;	3417	our $safe_hole = new Safe::Hole;
2916		3418
2917	$SIG{FPE} = 'IGNORE';	3419	$SIG{FPE} = 'IGNORE';
2918		3420
2919	$safe->permit_only (Opcode::opset qw(	3421	$safe->permit_only (Opcode::opset qw(
2920	:base_core :base_mem :base_orig :base_math	3422	:base_core :base_mem :base_orig :base_math :base_loop
2921	grepstart grepwhile mapstart mapwhile	3423	grepstart grepwhile mapstart mapwhile
2922	sort time	3424	sort time
2923	));	3425	));
2924		3426
2925	# here we export the classes and methods available to script code	3427	# here we export the classes and methods available to script code
…		…
2928		3430
2929	The following functions and methods are available within a safe environment:	3431	The following functions and methods are available within a safe environment:
2930		3432
2931	cf::object	3433	cf::object
2932	contr pay_amount pay_player map x y force_find force_add destroy	3434	contr pay_amount pay_player map x y force_find force_add destroy
2933	insert remove name archname title slaying race decrease_ob_nr	3435	insert remove name archname title slaying race decrease split
		3436	value
2934		3437
2935	cf::object::player	3438	cf::object::player
2936	player	3439	player
2937		3440
2938	cf::player	3441	cf::player
…		…
2943		3446
2944	=cut	3447	=cut
2945		3448
2946	for (	3449	for (
2947	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3450	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2948	insert remove inv name archname title slaying race	3451	insert remove inv nrof name archname title slaying race
2949	decrease_ob_nr destroy)],	3452	decrease split destroy change_exp value msg lore send_msg)],
2950	["cf::object::player" => qw(player)],	3453	["cf::object::player" => qw(player)],
2951	["cf::player" => qw(peaceful)],	3454	["cf::player" => qw(peaceful send_msg)],
2952	["cf::map" => qw(trigger)],	3455	["cf::map" => qw(trigger)],
2953	) {	3456	) {
2954	no strict 'refs';
2955	my ($pkg, @funs) = @$_;	3457	my ($pkg, @funs) = @$_;
2956	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3458	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2957	for @funs;	3459	for @funs;
2958	}	3460	}
2959		3461
…		…
2974		3476
2975	my $qcode = $code;	3477	my $qcode = $code;
2976	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3478	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2977	$qcode =~ s/\n/\\n/g;	3479	$qcode =~ s/\n/\\n/g;
2978		3480
		3481	%vars = (_dummy => 0) unless %vars;
		3482
		3483	my @res;
2979	local $_;	3484	local $_;
2980	local @safe::cf::_safe_eval_args = values %vars;
2981		3485
2982	my $eval =	3486	my $eval =
2983	"do {\n"	3487	"do {\n"
2984	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3488	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2985	. "#line 0 \"{$qcode}\"\n"	3489	. "#line 0 \"{$qcode}\"\n"
2986	. $code	3490	. $code
2987	. "\n}"	3491	. "\n}"
2988	;	3492	;
2989		3493
		3494	if ($CFG{safe_eval}) {
2990	sub_generation_inc;	3495	sub_generation_inc;
		3496	local @safe::cf::_safe_eval_args = values %vars;
2991	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3497	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2992	sub_generation_inc;	3498	sub_generation_inc;
		3499	} else {
		3500	local @cf::_safe_eval_args = values %vars;
		3501	@res = wantarray ? eval eval : scalar eval $eval;
		3502	}
2993		3503
2994	if ($@) {	3504	if ($@) {
2995	warn "$@";	3505	warn "$@",
2996	warn "while executing safe code '$code'\n";	3506	"while executing safe code '$code'\n",
2997	warn "with arguments " . (join " ", %vars) . "\n";	3507	"with arguments " . (join " ", %vars) . "\n";
2998	}	3508	}
2999		3509
3000	wantarray ? @res : $res[0]	3510	wantarray ? @res : $res[0]
3001	}	3511	}
3002		3512
…		…
3016	=cut	3526	=cut
3017		3527
3018	sub register_script_function {	3528	sub register_script_function {
3019	my ($fun, $cb) = @_;	3529	my ($fun, $cb) = @_;
3020		3530
3021	no strict 'refs';	3531	$fun = "safe::$fun" if $CFG{safe_eval};
3022	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3532	*$fun = $safe_hole->wrap ($cb);
3023	}	3533	}
3024		3534
3025	=back	3535	=back
3026		3536
3027	=cut	3537	=cut
3028		3538
3029	#############################################################################	3539	#############################################################################
3030	# the server's init and main functions	3540	# the server's init and main functions
3031		3541
		3542	{
		3543	package cf::face;
		3544
		3545	our %HASH; # hash => idx
		3546	our @DATA; # dynamically-created facedata, only faceste 0 used
		3547	our @FOFS; # file offset, if > 0
		3548	our @SIZE; # size of face, in octets
		3549	our @META; # meta hash of face, if any
		3550	our $DATAFH; # facedata filehandle
		3551
		3552	# internal api, not finalised
		3553	sub set {
		3554	my ($name, $type, $data) = @_;
		3555
		3556	my $idx = cf::face::find $name;
		3557
		3558	if ($idx) {
		3559	delete $HASH{cf::face::get_csum $idx};
		3560	} else {
		3561	$idx = cf::face::alloc $name;
		3562	}
		3563
		3564	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3565
		3566	cf::face::set_type $idx, $type;
		3567	cf::face::set_csum $idx, 0, $hash;
		3568
		3569	# we need to destroy the SV itself, not just modify it, as a running ix
		3570	# might hold a reference to it: "delete" achieves that.
		3571	delete $FOFS[0][$idx];
		3572	delete $DATA[0][$idx];
		3573	$DATA[0][$idx] = $data;
		3574	$SIZE[0][$idx] = length $data;
		3575	delete $META[$idx];
		3576	$HASH{$hash} = $idx;#d#
		3577
		3578	$idx
		3579	}
		3580
		3581	sub _get_data($$$) {
		3582	my ($idx, $set, $cb) = @_;
		3583
		3584	if (defined $DATA[$set][$idx]) {
		3585	$cb->($DATA[$set][$idx]);
		3586	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3587	my $size = $SIZE[$set][$idx];
		3588	my $buf;
		3589	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3590	if ($_[0] == $size) {
		3591	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3592	$cb->($buf);
		3593	} else {
		3594	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3595	}
		3596	};
		3597	} else {
		3598	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3599	}
		3600	}
		3601
		3602	# rather ineffient
		3603	sub cf::face::get_data($;$) {
		3604	my ($idx, $set) = @_;
		3605
		3606	_get_data $idx, $set, Coro::rouse_cb;
		3607	Coro::rouse_wait
		3608	}
		3609
		3610	sub cf::face::ix {
		3611	my ($ns, $set, $idx, $pri) = @_;
		3612
		3613	_get_data $idx, $set, sub {
		3614	$ns->ix_send ($idx, $pri, $_[0]);
		3615	};
		3616	}
		3617	}
		3618
3032	sub load_facedata($) {	3619	sub load_facedata($) {
3033	my ($path) = @_;	3620	my ($path) = @_;
3034		3621
3035	# HACK to clear player env face cache, we need some signal framework
3036	# for this (global event?)
3037	%ext::player_env::MUSIC_FACE_CACHE = ();
3038
3039	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3622	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3040		3623
3041	warn "loading facedata from $path\n";	3624	trace "loading facedata from $path\n";
3042		3625
3043	my $facedata;	3626	my $facedata = decode_storable load_file "$path/faceinfo";
3044	0 < aio_load $path, $facedata
3045	or die "$path: $!";
3046
3047	$facedata = Coro::Storable::thaw $facedata;
3048		3627
3049	$facedata->{version} == 2	3628	$facedata->{version} == 2
3050	or cf::cleanup "$path: version mismatch, cannot proceed.";	3629	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
3051		3630
3052	# patch in the exptable	3631	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
3053	$facedata->{resource}{"res/exp_table"} = {	3632	or cf::cleanup "$path/facedata: $!, cannot proceed.";
3054	type => FT_RSRC,	3633
3055	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3634	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
3056	};	3635
3057	cf::cede_to_tick;	3636	# BEGIN ATOMIC
		3637	# from here on, everything must be atomic - no thread switch allowed
		3638	my $t1 = EV::time;
3058		3639
3059	{	3640	{
3060	my $faces = $facedata->{faceinfo};	3641	my $faces = $facedata->{faceinfo};
3061		3642
3062	while (my ($face, $info) = each %$faces) {	3643	for my $face (sort keys %$faces) {
		3644	my $info = $faces->{$face};
3063	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3645	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3646
3064	cf::face::set_visibility $idx, $info->{visibility};	3647	cf::face::set_visibility $idx, $info->{visibility};
3065	cf::face::set_magicmap $idx, $info->{magicmap};	3648	cf::face::set_magicmap $idx, $info->{magicmap};
3066	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3649	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
3067	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3650	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
3068		3651	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
3069	cf::cede_to_tick;	3652	$cf::face::HASH{$info->{hash64}} = $idx;
		3653	delete $cf::face::META[$idx];
3070	}	3654	}
3071		3655
3072	while (my ($face, $info) = each %$faces) {	3656	while (my ($face, $info) = each %$faces) {
3073	next unless $info->{smooth};	3657	next unless $info->{smooth};
		3658
3074	my $idx = cf::face::find $face	3659	my $idx = cf::face::find $face
3075	or next;	3660	or next;
		3661
3076	if (my $smooth = cf::face::find $info->{smooth}) {	3662	if (my $smooth = cf::face::find $info->{smooth}) {
3077	cf::face::set_smooth $idx, $smooth;	3663	cf::face::set_smooth $idx, $smooth;
3078	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3664	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3079	} else {	3665	} else {
3080	warn "smooth face '$info->{smooth}' not found for face '$face'";	3666	error "smooth face '$info->{smooth}' not found for face '$face'";
3081	}	3667	}
3082
3083	cf::cede_to_tick;
3084	}	3668	}
3085	}	3669	}
3086		3670
3087	{	3671	{
3088	my $anims = $facedata->{animinfo};	3672	my $anims = $facedata->{animinfo};
3089		3673
3090	while (my ($anim, $info) = each %$anims) {	3674	while (my ($anim, $info) = each %$anims) {
3091	cf::anim::set $anim, $info->{frames}, $info->{facings};	3675	cf::anim::set $anim, $info->{frames}, $info->{facings};
3092	cf::cede_to_tick;
3093	}	3676	}
3094		3677
3095	cf::anim::invalidate_all; # d'oh	3678	cf::anim::invalidate_all; # d'oh
3096	}	3679	}
3097		3680
3098	{	3681	{
3099	# TODO: for gcfclient pleasure, we should give resources
3100	# that gcfclient doesn't grok a >10000 face index.
3101	my $res = $facedata->{resource};	3682	my $res = $facedata->{resource};
3102		3683
3103	my $soundconf = delete $res->{"res/sound.conf"};
3104
3105	while (my ($name, $info) = each %$res) {	3684	while (my ($name, $info) = each %$res) {
		3685	if (defined (my $type = $info->{type})) {
		3686	# TODO: different hash - must free and use new index, or cache ixface data queue
3106	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3687	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3107	my $data;
3108		3688
3109	if ($info->{type} & 1) {	3689	cf::face::set_type $idx, $type;
3110	# prepend meta info	3690	cf::face::set_csum $idx, 0, $info->{hash};
3111		3691	$cf::face::SIZE[0][$idx] = $info->{size};
3112	my $meta = $enc->encode ({	3692	$cf::face::FOFS[0][$idx] = $info->{fofs};
3113	name => $name,	3693	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
3114	%{ $info->{meta} || {} },	3694	$cf::face::HASH{$info->{hash}} = $idx;
3115	});
3116
3117	$data = pack "(w/a*)*", $meta, $info->{data};
3118	} else {	3695	} else {
3119	$data = $info->{data};	3696	# $RESOURCE{$name} = $info; # unused
3120	}	3697	}
3121
3122	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3123	cf::face::set_type $idx, $info->{type};
3124
3125	cf::cede_to_tick;
3126	}
3127
3128	if ($soundconf) {
3129	$soundconf = $enc->decode (delete $soundconf->{data});
3130
3131	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3132	my $sound = $soundconf->{compat}[$_]
3133	or next;
3134
3135	my $face = cf::face::find "sound/$sound->[1]";
3136	cf::sound::set $sound->[0] => $face;
3137	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3138	}	3698	}
3139
3140	while (my ($k, $v) = each %{$soundconf->{event}}) {
3141	my $face = cf::face::find "sound/$v";
3142	cf::sound::set $k => $face;
3143	}
3144	}
3145	}	3699	}
		3700
		3701	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3702
		3703	# HACK to clear player env face cache, we need some signal framework
		3704	# for this (global event?)
		3705	%ext::player_env::MUSIC_FACE_CACHE = ();
		3706
		3707	# END ATOMIC
		3708
		3709	cf::debug "facedata atomic update time ", EV::time - $t1;
		3710
		3711	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3712
		3713	aio_close $fh if $fh; # close old facedata
3146		3714
3147	1	3715	1
3148	}	3716	}
3149		3717
3150	register_exticmd fx_want => sub {	3718	register_exticmd fx_want => sub {
…		…
3152		3720
3153	while (my ($k, $v) = each %$want) {	3721	while (my ($k, $v) = each %$want) {
3154	$ns->fx_want ($k, $v);	3722	$ns->fx_want ($k, $v);
3155	}	3723	}
3156	};	3724	};
		3725
		3726	sub load_resource_file($) {
		3727	my $guard = lock_acquire "load_resource_file";
		3728
		3729	my $status = load_resource_file_ $_[0];
		3730	get_slot 0.1, 100;
		3731	cf::arch::commit_load;
		3732
		3733	$status
		3734	}
		3735
		3736	sub reload_exp_table {
		3737	_reload_exp_table;
		3738
		3739	cf::face::set
		3740	"res/exp_table" => FT_RSRC,
		3741	JSON::XS->new->utf8->canonical->encode (
		3742	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3743	);
		3744	}
		3745
		3746	sub reload_materials {
		3747	_reload_materials;
		3748	}
3157		3749
3158	sub reload_regions {	3750	sub reload_regions {
3159	# HACK to clear player env face cache, we need some signal framework	3751	# HACK to clear player env face cache, we need some signal framework
3160	# for this (global event?)	3752	# for this (global event?)
3161	%ext::player_env::MUSIC_FACE_CACHE = ();	3753	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3168	if exists $_->{match};	3760	if exists $_->{match};
3169	}	3761	}
3170	}	3762	}
3171		3763
3172	sub reload_facedata {	3764	sub reload_facedata {
3173	load_facedata "$DATADIR/facedata"	3765	load_facedata $DATADIR
3174	or die "unable to load facedata\n";	3766	or die "unable to load facedata\n";
3175	}	3767	}
3176		3768
3177	sub reload_archetypes {	3769	sub reload_archetypes {
3178	load_resource_file "$DATADIR/archetypes"	3770	load_resource_file "$DATADIR/archetypes"
3179	or die "unable to load archetypes\n";	3771	or die "unable to load archetypes\n";
3180	#d# NEED to laod twice to resolve forward references	3772
3181	# this really needs to be done in an extra post-pass	3773	cf::face::set
3182	# (which needs to be synchronous, so solve it differently)	3774	"res/skill_info" => FT_RSRC,
3183	load_resource_file "$DATADIR/archetypes"	3775	JSON::XS->new->utf8->canonical->encode (
3184	or die "unable to load archetypes\n";	3776	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3777	);
		3778
		3779	cf::face::set
		3780	"res/spell_paths" => FT_RSRC,
		3781	JSON::XS->new->utf8->canonical->encode (
		3782	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3783	);
3185	}	3784	}
3186		3785
3187	sub reload_treasures {	3786	sub reload_treasures {
3188	load_resource_file "$DATADIR/treasures"	3787	load_resource_file "$DATADIR/treasures"
3189	or die "unable to load treasurelists\n";	3788	or die "unable to load treasurelists\n";
3190	}	3789	}
3191		3790
		3791	sub reload_sound {
		3792	trace "loading sound config from $DATADIR/sound\n";
		3793
		3794	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3795
		3796	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3797	my $sound = $soundconf->{compat}[$_]
		3798	or next;
		3799
		3800	my $face = cf::face::find "sound/$sound->[1]";
		3801	cf::sound::set $sound->[0] => $face;
		3802	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3803	}
		3804
		3805	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3806	my $face = cf::face::find "sound/$v";
		3807	cf::sound::set $k => $face;
		3808	}
		3809	}
		3810
3192	sub reload_resources {	3811	sub reload_resources {
3193	warn "reloading resource files...\n";	3812	trace "reloading resource files...\n";
3194		3813
		3814	reload_materials;
		3815	reload_facedata;
		3816	reload_exp_table;
		3817	reload_sound;
		3818	reload_archetypes;
3195	reload_regions;	3819	reload_regions;
3196	reload_facedata;
3197	#reload_archetypes;#d#
3198	reload_archetypes;
3199	reload_treasures;	3820	reload_treasures;
3200		3821
3201	warn "finished reloading resource files\n";	3822	trace "finished reloading resource files\n";
3202	}
3203
3204	sub init {
3205	reload_resources;
3206	}	3823	}
3207		3824
3208	sub reload_config {	3825	sub reload_config {
3209	open my $fh, "<:utf8", "$CONFDIR/config"	3826	trace "reloading config file...\n";
3210	or return;
3211		3827
3212	local $/;	3828	my $config = load_file "$CONFDIR/config";
3213	*CFG = YAML::Syck::Load <$fh>;	3829	utf8::decode $config;
		3830	*CFG = decode_yaml $config;
3214		3831
3215	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3832	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3216		3833
3217	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3834	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3218	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3835	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3219		3836
3220	if (exists $CFG{mlockall}) {	3837	if (exists $CFG{mlockall}) {
…		…
3224	};	3841	};
3225	warn $@ if $@;	3842	warn $@ if $@;
3226	}	3843	}
3227	}	3844	}
3228		3845
		3846	sub pidfile() {
		3847	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3848	or die "$PIDFILE: $!";
		3849	flock $fh, &Fcntl::LOCK_EX
		3850	or die "$PIDFILE: flock: $!";
		3851	$fh
		3852	}
		3853
		3854	# make sure only one server instance is running at any one time
		3855	sub atomic {
		3856	my $fh = pidfile;
		3857
		3858	my $pid = <$fh>;
		3859	kill 9, $pid if $pid > 0;
		3860
		3861	seek $fh, 0, 0;
		3862	print $fh $$;
		3863	}
		3864
		3865	sub main_loop {
		3866	trace "EV::loop starting\n";
		3867	if (1) {
		3868	EV::loop;
		3869	}
		3870	trace "EV::loop returned\n";
		3871	goto &main_loop unless $REALLY_UNLOOP;
		3872	}
		3873
3229	sub main {	3874	sub main {
		3875	cf::init_globals; # initialise logging
		3876
		3877	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3878	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3879	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3880	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3881
		3882	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3883
3230	# we must not ever block the main coroutine	3884	# we must not ever block the main coroutine
3231	local $Coro::idle = sub {	3885	$Coro::idle = sub {
3232	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3886	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3233	(async {	3887	(async {
3234	$Coro::current->{desc} = "IDLE BUG HANDLER";	3888	$Coro::current->{desc} = "IDLE BUG HANDLER";
3235	Event::one_event;	3889	EV::loop EV::LOOP_ONESHOT;
3236	})->prio (Coro::PRIO_MAX);	3890	})->prio (Coro::PRIO_MAX);
3237	};	3891	};
3238		3892
		3893	evthread_start IO::AIO::poll_fileno;
		3894
		3895	cf::sync_job {
		3896	cf::incloader::init ();
		3897
		3898	db_init;
		3899
		3900	cf::init_anim;
		3901	cf::init_attackmess;
		3902	cf::init_dynamic;
		3903
		3904	cf::load_settings;
		3905
		3906	reload_resources;
3239	reload_config;	3907	reload_config;
3240	db_init;	3908
		3909	cf::init_uuid;
		3910	cf::init_signals;
		3911	cf::init_skills;
		3912
		3913	cf::init_beforeplay;
		3914
		3915	atomic;
		3916
3241	load_extensions;	3917	load_extensions;
3242		3918
3243	$TICK_WATCHER->start;	3919	utime time, time, $RUNTIMEFILE;
3244	Event::loop;	3920
		3921	# no (long-running) fork's whatsoever before this point(!)
		3922	use POSIX ();
		3923	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3924
		3925	cf::_post_init 0;
		3926	};
		3927
		3928	cf::object::thawer::errors_are_fatal 0;
		3929	info "parse errors in files are no longer fatal from this point on.\n";
		3930
		3931	AE::postpone {
		3932	undef &main; # free gobs of memory :)
		3933	};
		3934
		3935	goto &main_loop;
3245	}	3936	}
3246		3937
3247	#############################################################################	3938	#############################################################################
3248	# initialisation and cleanup	3939	# initialisation and cleanup
3249		3940
3250	# install some emergency cleanup handlers	3941	# install some emergency cleanup handlers
3251	BEGIN {	3942	BEGIN {
		3943	our %SIGWATCHER = ();
3252	for my $signal (qw(INT HUP TERM)) {	3944	for my $signal (qw(INT HUP TERM)) {
3253	Event->signal (	3945	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3254	reentrant => 0,
3255	data => WF_AUTOCANCEL,
3256	signal => $signal,
3257	prio => 0,
3258	cb => sub {
3259	cf::cleanup "SIG$signal";	3946	cf::cleanup "SIG$signal";
3260	},
3261	);	3947	};
3262	}	3948	}
3263	}	3949	}
3264		3950
3265	sub write_runtime {	3951	sub write_runtime_sync {
3266	my $runtime = "$LOCALDIR/runtime";	3952	my $t0 = AE::time;
3267		3953
3268	# first touch the runtime file to show we are still running:	3954	# first touch the runtime file to show we are still running:
3269	# the fsync below can take a very very long time.	3955	# the fsync below can take a very very long time.
3270		3956
3271	IO::AIO::aio_utime $runtime, undef, undef;	3957	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3272		3958
3273	my $guard = cf::lock_acquire "write_runtime";	3959	my $guard = cf::lock_acquire "write_runtime";
3274		3960
3275	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3961	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3276	or return;	3962	or return;
3277		3963
3278	my $value = $cf::RUNTIME + 90 + 10;	3964	my $value = $cf::RUNTIME + 90 + 10;
3279	# 10 is the runtime save interval, for a monotonic clock	3965	# 10 is the runtime save interval, for a monotonic clock
3280	# 60 allows for the watchdog to kill the server.	3966	# 60 allows for the watchdog to kill the server.
…		…
3290	aio_utime $fh, undef, undef;	3976	aio_utime $fh, undef, undef;
3291		3977
3292	close $fh	3978	close $fh
3293	or return;	3979	or return;
3294		3980
3295	aio_rename "$runtime~", $runtime	3981	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3296	and return;	3982	and return;
3297		3983
3298	warn "runtime file written.\n";	3984	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3299		3985
3300	1	3986	1
		3987	}
		3988
		3989	our $uuid_lock;
		3990	our $uuid_skip;
		3991
		3992	sub write_uuid_sync($) {
		3993	$uuid_skip ||= $_[0];
		3994
		3995	return if $uuid_lock;
		3996	local $uuid_lock = 1;
		3997
		3998	my $uuid = "$LOCALDIR/uuid";
		3999
		4000	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		4001	or return;
		4002
		4003	my $value = uuid_seq uuid_cur;
		4004
		4005	unless ($value) {
		4006	info "cowardly refusing to write zero uuid value!\n";
		4007	return;
		4008	}
		4009
		4010	my $value = uuid_str $value + $uuid_skip;
		4011	$uuid_skip = 0;
		4012
		4013	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4014	and return;
		4015
		4016	# always fsync - this file is important
		4017	aio_fsync $fh
		4018	and return;
		4019
		4020	close $fh
		4021	or return;
		4022
		4023	aio_rename "$uuid~", $uuid
		4024	and return;
		4025
		4026	trace "uuid file written ($value).\n";
		4027
		4028	1
		4029
		4030	}
		4031
		4032	sub write_uuid($$) {
		4033	my ($skip, $sync) = @_;
		4034
		4035	$sync ? write_uuid_sync $skip
		4036	: async { write_uuid_sync $skip };
3301	}	4037	}
3302		4038
3303	sub emergency_save() {	4039	sub emergency_save() {
3304	my $freeze_guard = cf::freeze_mainloop;	4040	my $freeze_guard = cf::freeze_mainloop;
3305		4041
3306	warn "enter emergency perl save\n";	4042	info "emergency_perl_save: enter\n";
		4043
		4044	# this is a trade-off: we want to be very quick here, so
		4045	# save all maps without fsync, and later call a global sync
		4046	# (which in turn might be very very slow)
		4047	local $USE_FSYNC = 0;
3307		4048
3308	cf::sync_job {	4049	cf::sync_job {
		4050	cf::write_runtime_sync; # external watchdog should not bark
		4051
3309	# use a peculiar iteration method to avoid tripping on perl	4052	# use a peculiar iteration method to avoid tripping on perl
3310	# refcount bugs in for. also avoids problems with players	4053	# refcount bugs in for. also avoids problems with players
3311	# and maps saved/destroyed asynchronously.	4054	# and maps saved/destroyed asynchronously.
3312	warn "begin emergency player save\n";	4055	info "emergency_perl_save: begin player save\n";
3313	for my $login (keys %cf::PLAYER) {	4056	for my $login (keys %cf::PLAYER) {
3314	my $pl = $cf::PLAYER{$login} or next;	4057	my $pl = $cf::PLAYER{$login} or next;
3315	$pl->valid or next;	4058	$pl->valid or next;
3316	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	4059	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3317	$pl->save;	4060	$pl->save;
3318	}	4061	}
3319	warn "end emergency player save\n";	4062	info "emergency_perl_save: end player save\n";
3320		4063
3321	warn "begin emergency map save\n";	4064	cf::write_runtime_sync; # external watchdog should not bark
		4065
		4066	info "emergency_perl_save: begin map save\n";
3322	for my $path (keys %cf::MAP) {	4067	for my $path (keys %cf::MAP) {
3323	my $map = $cf::MAP{$path} or next;	4068	my $map = $cf::MAP{$path} or next;
3324	$map->valid or next;	4069	$map->valid or next;
3325	$map->save;	4070	$map->save;
3326	}	4071	}
3327	warn "end emergency map save\n";	4072	info "emergency_perl_save: end map save\n";
3328		4073
3329	warn "begin emergency database checkpoint\n";	4074	cf::write_runtime_sync; # external watchdog should not bark
		4075
		4076	info "emergency_perl_save: begin database checkpoint\n";
3330	BDB::db_env_txn_checkpoint $DB_ENV;	4077	BDB::db_env_txn_checkpoint $DB_ENV;
3331	warn "end emergency database checkpoint\n";	4078	info "emergency_perl_save: end database checkpoint\n";
		4079
		4080	info "emergency_perl_save: begin write uuid\n";
		4081	write_uuid_sync 1;
		4082	info "emergency_perl_save: end write uuid\n";
		4083
		4084	cf::write_runtime_sync; # external watchdog should not bark
		4085
		4086	trace "emergency_perl_save: syncing database to disk";
		4087	BDB::db_env_txn_checkpoint $DB_ENV;
		4088
		4089	info "emergency_perl_save: starting sync\n";
		4090	IO::AIO::aio_sync sub {
		4091	info "emergency_perl_save: finished sync\n";
		4092	};
		4093
		4094	cf::write_runtime_sync; # external watchdog should not bark
		4095
		4096	trace "emergency_perl_save: flushing outstanding aio requests";
		4097	while (IO::AIO::nreqs || BDB::nreqs) {
		4098	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4099	}
		4100
		4101	cf::write_runtime_sync; # external watchdog should not bark
3332	};	4102	};
3333		4103
3334	warn "leave emergency perl save\n";	4104	info "emergency_perl_save: leave\n";
3335	}	4105	}
3336		4106
3337	sub post_cleanup {	4107	sub post_cleanup {
3338	my ($make_core) = @_;	4108	my ($make_core) = @_;
3339		4109
		4110	IO::AIO::flush;
		4111
3340	warn Carp::longmess "post_cleanup backtrace"	4112	error Carp::longmess "post_cleanup backtrace"
3341	if $make_core;	4113	if $make_core;
		4114
		4115	my $fh = pidfile;
		4116	unlink $PIDFILE if <$fh> == $$;
		4117	}
		4118
		4119	# a safer delete_package, copied from Symbol
		4120	sub clear_package($) {
		4121	my $pkg = shift;
		4122
		4123	# expand to full symbol table name if needed
		4124	unless ($pkg =~ /^main::.*::$/) {
		4125	$pkg = "main$pkg" if $pkg =~ /^::/;
		4126	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4127	$pkg .= '::' unless $pkg =~ /::$/;
		4128	}
		4129
		4130	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4131	my $stem_symtab = *{$stem}{HASH};
		4132
		4133	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4134	or return;
		4135
		4136	# clear all symbols
		4137	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4138	for my $name (keys %$leaf_symtab) {
		4139	_gv_clear *{"$pkg$name"};
		4140	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4141	}
3342	}	4142	}
3343		4143
3344	sub do_reload_perl() {	4144	sub do_reload_perl() {
3345	# can/must only be called in main	4145	# can/must only be called in main
3346	if ($Coro::current != $Coro::main) {	4146	unless (in_main) {
3347	warn "can only reload from main coroutine";	4147	error "can only reload from main coroutine";
3348	return;	4148	return;
3349	}	4149	}
3350		4150
3351	warn "reloading...";	4151	return if $RELOAD++;
3352		4152
3353	warn "entering sync_job";	4153	my $t1 = AE::time;
3354		4154
		4155	while ($RELOAD) {
		4156	cf::get_slot 0.1, -1, "reload_perl";
		4157	info "perl_reload: reloading...";
		4158
		4159	trace "perl_reload: entering sync_job";
		4160
3355	cf::sync_job {	4161	cf::sync_job {
3356	cf::write_runtime; # external watchdog should not bark
3357	cf::emergency_save;	4162	#cf::emergency_save;
3358	cf::write_runtime; # external watchdog should not bark
3359		4163
3360	warn "syncing database to disk";
3361	BDB::db_env_txn_checkpoint $DB_ENV;
3362
3363	# if anything goes wrong in here, we should simply crash as we already saved
3364
3365	warn "cancelling all WF_AUTOCANCEL watchers";
3366	for (Event::all_watchers) {
3367	$_->cancel if $_->data & WF_AUTOCANCEL;
3368	}
3369
3370	warn "flushing outstanding aio requests";
3371	for (;;) {
3372	BDB::flush;
3373	IO::AIO::flush;
3374	Coro::cede;
3375	last unless IO::AIO::nreqs || BDB::nreqs;
3376	warn "iterate...";
3377	}
3378
3379	++$RELOAD;
3380
3381	warn "cancelling all extension coros";	4164	trace "perl_reload: cancelling all extension coros";
3382	$_->cancel for values %EXT_CORO;	4165	$_->cancel for values %EXT_CORO;
3383	%EXT_CORO = ();	4166	%EXT_CORO = ();
3384		4167
3385	warn "removing commands";	4168	trace "perl_reload: removing commands";
3386	%COMMAND = ();	4169	%COMMAND = ();
3387		4170
3388	warn "removing ext/exti commands";	4171	trace "perl_reload: removing ext/exti commands";
3389	%EXTCMD = ();	4172	%EXTCMD = ();
3390	%EXTICMD = ();	4173	%EXTICMD = ();
3391		4174
3392	warn "unloading/nuking all extensions";	4175	trace "perl_reload: unloading/nuking all extensions";
3393	for my $pkg (@EXTS) {	4176	for my $pkg (@EXTS) {
3394	warn "... unloading $pkg";	4177	trace "... unloading $pkg";
3395		4178
3396	if (my $cb = $pkg->can ("unload")) {	4179	if (my $cb = $pkg->can ("unload")) {
3397	eval {	4180	eval {
3398	$cb->($pkg);	4181	$cb->($pkg);
3399	1	4182	1
3400	} or warn "$pkg unloaded, but with errors: $@";	4183	} or error "$pkg unloaded, but with errors: $@";
		4184	}
		4185
		4186	trace "... clearing $pkg";
		4187	clear_package $pkg;
3401	}	4188	}
3402		4189
3403	warn "... nuking $pkg";
3404	Symbol::delete_package $pkg;
3405	}
3406
3407	warn "unloading all perl modules loaded from $LIBDIR";	4190	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3408	while (my ($k, $v) = each %INC) {	4191	while (my ($k, $v) = each %INC) {
3409	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4192	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3410		4193
3411	warn "... unloading $k";	4194	trace "... unloading $k";
3412	delete $INC{$k};	4195	delete $INC{$k};
3413		4196
3414	$k =~ s/\.pm$//;	4197	$k =~ s/\.pm$//;
3415	$k =~ s/\//::/g;	4198	$k =~ s/\//::/g;
3416		4199
3417	if (my $cb = $k->can ("unload_module")) {	4200	if (my $cb = $k->can ("unload_module")) {
3418	$cb->();	4201	$cb->();
		4202	}
		4203
		4204	clear_package $k;
3419	}	4205	}
3420		4206
3421	Symbol::delete_package $k;
3422	}
3423
3424	warn "getting rid of safe::, as good as possible";	4207	trace "perl_reload: getting rid of safe::, as good as possible";
3425	Symbol::delete_package "safe::$_"	4208	clear_package "safe::$_"
3426	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4209	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3427		4210
3428	warn "unloading cf.pm \"a bit\"";	4211	trace "perl_reload: unloading cf.pm \"a bit\"";
3429	delete $INC{"cf.pm"};	4212	delete $INC{"cf.pm"};
3430	delete $INC{"cf/pod.pm"};	4213	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3431		4214
3432	# don't, removes xs symbols, too,	4215	# don't, removes xs symbols, too,
3433	# and global variables created in xs	4216	# and global variables created in xs
3434	#Symbol::delete_package __PACKAGE__;	4217	#clear_package __PACKAGE__;
3435		4218
3436	warn "unload completed, starting to reload now";	4219	info "perl_reload: unload completed, starting to reload now";
3437		4220
3438	warn "reloading cf.pm";	4221	trace "perl_reload: reloading cf.pm";
3439	require cf;	4222	require cf;
3440	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4223	cf::_connect_to_perl_1;
3441		4224
3442	warn "loading config and database again";	4225	trace "perl_reload: loading config and database again";
3443	cf::reload_config;	4226	cf::reload_config;
3444		4227
3445	warn "loading extensions";	4228	trace "perl_reload: loading extensions";
3446	cf::load_extensions;	4229	cf::load_extensions;
3447		4230
		4231	if ($REATTACH_ON_RELOAD) {
3448	warn "reattaching attachments to objects/players";	4232	trace "perl_reload: reattaching attachments to objects/players";
3449	_global_reattach; # objects, sockets	4233	_global_reattach; # objects, sockets
3450	warn "reattaching attachments to maps";	4234	trace "perl_reload: reattaching attachments to maps";
3451	reattach $_ for values %MAP;	4235	reattach $_ for values %MAP;
3452	warn "reattaching attachments to players";	4236	trace "perl_reload: reattaching attachments to players";
3453	reattach $_ for values %PLAYER;	4237	reattach $_ for values %PLAYER;
		4238	}
3454		4239
3455	warn "leaving sync_job";	4240	cf::_post_init 1;
3456		4241
		4242	trace "perl_reload: leaving sync_job";
		4243
3457	1	4244	1
3458	} or do {	4245	} or do {
3459	warn $@;	4246	error $@;
3460	warn "error while reloading, exiting.";	4247	cf::cleanup "perl_reload: error, exiting.";
3461	exit 1;	4248	};
		4249
		4250	--$RELOAD;
3462	};	4251	}
3463		4252
3464	warn "reloaded";	4253	$t1 = AE::time - $t1;
		4254	info "perl_reload: completed in ${t1}s\n";
3465	};	4255	};
3466		4256
3467	our $RELOAD_WATCHER; # used only during reload	4257	our $RELOAD_WATCHER; # used only during reload
3468		4258
3469	sub reload_perl() {	4259	sub reload_perl() {
3470	# doing reload synchronously and two reloads happen back-to-back,	4260	# doing reload synchronously and two reloads happen back-to-back,
3471	# coro crashes during coro_state_free->destroy here.	4261	# coro crashes during coro_state_free->destroy here.
3472		4262
3473	$RELOAD_WATCHER ||= Event->timer (	4263	$RELOAD_WATCHER ||= cf::async {
3474	reentrant => 0,	4264	Coro::AIO::aio_wait cache_extensions;
3475	after => 0,	4265
3476	data => WF_AUTOCANCEL,	4266	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3477	cb => sub {
3478	do_reload_perl;	4267	do_reload_perl;
3479	undef $RELOAD_WATCHER;	4268	undef $RELOAD_WATCHER;
3480	},	4269	};
3481	);	4270	};
3482	}	4271	}
3483		4272
3484	register_command "reload" => sub {	4273	register_command "reload" => sub {
3485	my ($who, $arg) = @_;	4274	my ($who, $arg) = @_;
3486		4275
…		…
3491	reload_perl;	4280	reload_perl;
3492	};	4281	};
3493	}	4282	}
3494	};	4283	};
3495		4284
3496	unshift @INC, $LIBDIR;	4285	#############################################################################
3497		4286
3498	my $bug_warning = 0;	4287	my $bug_warning = 0;
3499		4288
3500	our @WAIT_FOR_TICK;
3501	our @WAIT_FOR_TICK_BEGIN;
3502
3503	sub wait_for_tick {	4289	sub wait_for_tick() {
3504	return unless $TICK_WATCHER->is_active;	4290	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3505	return if $Coro::current == $Coro::main;
3506		4291
3507	my $signal = new Coro::Signal;	4292	$WAIT_FOR_TICK->wait;
3508	push @WAIT_FOR_TICK, $signal;
3509	$signal->wait;
3510	}	4293	}
3511		4294
3512	sub wait_for_tick_begin {	4295	sub wait_for_tick_begin() {
3513	return unless $TICK_WATCHER->is_active;	4296	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3514	return if $Coro::current == $Coro::main;
3515		4297
3516	my $signal = new Coro::Signal;	4298	my $signal = new Coro::Signal;
3517	push @WAIT_FOR_TICK_BEGIN, $signal;	4299	push @WAIT_FOR_TICK_BEGIN, $signal;
3518	$signal->wait;	4300	$signal->wait;
3519	}	4301	}
3520		4302
3521	$TICK_WATCHER = Event->timer (	4303	sub tick {
3522	reentrant => 0,
3523	parked => 1,
3524	prio => 0,
3525	at => $NEXT_TICK || $TICK,
3526	data => WF_AUTOCANCEL,
3527	cb => sub {
3528	if ($Coro::current != $Coro::main) {	4304	if ($Coro::current != $Coro::main) {
3529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4305	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3530	unless ++$bug_warning > 10;	4306	unless ++$bug_warning > 10;
3531	return;	4307	return;
3532	}	4308	}
3533		4309
3534	$NOW = $tick_start = Event::time;	4310	cf::one_tick; # one server iteration
3535		4311
3536	cf::server_tick; # one server iteration	4312	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3537		4313
3538	$RUNTIME += $TICK;
3539	$NEXT_TICK += $TICK;
3540
3541	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4314	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3542	$NEXT_RUNTIME_WRITE = $NOW + 10;	4315	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3543	Coro::async_pool {	4316	Coro::async_pool {
3544	$Coro::current->{desc} = "runtime saver";	4317	$Coro::current->{desc} = "runtime saver";
3545	write_runtime	4318	write_runtime_sync
3546	or warn "ERROR: unable to write runtime file: $!";	4319	or error "ERROR: unable to write runtime file: $!";
3547	};
3548	}	4320	};
		4321	}
3549		4322
3550	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4323	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3551	$sig->send;	4324	$sig->send;
3552	}	4325	}
3553	while (my $sig = shift @WAIT_FOR_TICK) {	4326	$WAIT_FOR_TICK->broadcast;
3554	$sig->send;
3555	}
3556		4327
3557	$NOW = Event::time;	4328	$LOAD = ($NOW - $TICK_START) / $TICK;
3558
3559	# if we are delayed by four ticks or more, skip them all
3560	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3561
3562	$TICK_WATCHER->at ($NEXT_TICK);
3563	$TICK_WATCHER->start;
3564
3565	$LOAD = ($NOW - $tick_start) / $TICK;
3566	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4329	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3567		4330
3568	_post_tick;	4331	if (0) {
		4332	if ($NEXT_TICK) {
		4333	my $jitter = $TICK_START - $NEXT_TICK;
		4334	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4335	debug "jitter $JITTER\n";#d#
		4336	}
3569	},	4337	}
3570	);	4338	}
3571		4339
3572	{	4340	{
		4341	# configure BDB
		4342	info "initialising database";
		4343
3573	BDB::min_parallel 8;	4344	BDB::min_parallel 16;
3574	BDB::max_poll_time $TICK * 0.1;	4345	BDB::max_poll_reqs $TICK * 0.1;
3575	$BDB_POLL_WATCHER = Event->io (	4346	#$AnyEvent::BDB::WATCHER->priority (1);
3576	reentrant => 0,
3577	fd => BDB::poll_fileno,
3578	poll => 'r',
3579	prio => 0,
3580	data => WF_AUTOCANCEL,
3581	cb => \&BDB::poll_cb,
3582	);
3583
3584	BDB::set_sync_prepare {
3585	my $status;
3586	my $current = $Coro::current;
3587	(
3588	sub {
3589	$status = $!;
3590	$current->ready; undef $current;
3591	},
3592	sub {
3593	Coro::schedule while defined $current;
3594	$! = $status;
3595	},
3596	)
3597	};
3598		4347
3599	unless ($DB_ENV) {	4348	unless ($DB_ENV) {
3600	$DB_ENV = BDB::db_env_create;	4349	$DB_ENV = BDB::db_env_create;
3601	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4350	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3602	| BDB::LOG_AUTOREMOVE, 1);	4351	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4352	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3603	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4353	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3604	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4354	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3605		4355
3606	cf::sync_job {	4356	cf::sync_job {
3607	eval {	4357	eval {
…		…
3617		4367
3618	cf::cleanup "db_env_open(db): $@" if $@;	4368	cf::cleanup "db_env_open(db): $@" if $@;
3619	};	4369	};
3620	}	4370	}
3621		4371
3622	$BDB_DEADLOCK_WATCHER = Event->timer (	4372	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3623	after => 3,
3624	interval => 1,
3625	hard => 1,
3626	prio => 0,
3627	data => WF_AUTOCANCEL,
3628	cb => sub {
3629	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	4373	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3630	},
3631	);	4374	};
3632	$BDB_CHECKPOINT_WATCHER = Event->timer (	4375	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3633	after => 11,
3634	interval => 60,
3635	hard => 1,
3636	prio => 0,
3637	data => WF_AUTOCANCEL,
3638	cb => sub {
3639	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4376	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3640	},
3641	);	4377	};
3642	$BDB_TRICKLE_WATCHER = Event->timer (	4378	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3643	after => 5,
3644	interval => 10,
3645	hard => 1,
3646	prio => 0,
3647	data => WF_AUTOCANCEL,
3648	cb => sub {
3649	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4379	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3650	},
3651	);	4380	};
		4381
		4382	info "database initialised";
3652	}	4383	}
3653		4384
3654	{	4385	{
		4386	# configure IO::AIO
		4387
		4388	info "initialising aio";
3655	IO::AIO::min_parallel 8;	4389	IO::AIO::min_parallel 8;
3656
3657	undef $Coro::AIO::WATCHER;
3658	IO::AIO::max_poll_time $TICK * 0.1;	4390	IO::AIO::max_poll_time $TICK * 0.1;
3659	$AIO_POLL_WATCHER = Event->io (	4391	undef $AnyEvent::AIO::WATCHER;
3660	reentrant => 0,	4392	info "aio initialised";
3661	data => WF_AUTOCANCEL,
3662	fd => IO::AIO::poll_fileno,
3663	poll => 'r',
3664	prio => 0,
3665	cb => \&IO::AIO::poll_cb,
3666	);
3667	}	4393	}
3668		4394
3669	my $_log_backtrace;	4395	our $_log_backtrace;
		4396	our $_log_backtrace_last;
3670		4397
3671	sub _log_backtrace {	4398	sub _log_backtrace {
3672	my ($msg, @addr) = @_;	4399	my ($msg, @addr) = @_;
3673		4400
3674	$msg =~ s/\n//;	4401	$msg =~ s/\n$//;
3675		4402
		4403	if ($_log_backtrace_last eq $msg) {
		4404	LOG llevInfo, "[ABT] $msg\n";
		4405	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3676	# limit the # of concurrent backtraces	4406	# limit the # of concurrent backtraces
3677	if ($_log_backtrace < 2) {	4407	} elsif ($_log_backtrace < 2) {
		4408	$_log_backtrace_last = $msg;
3678	++$_log_backtrace;	4409	++$_log_backtrace;
		4410	my $perl_bt = Carp::longmess $msg;
3679	async {	4411	async {
3680	$Coro::current->{desc} = "abt $msg";	4412	$Coro::current->{desc} = "abt $msg";
3681		4413
3682	my @bt = fork_call {	4414	my @bt = fork_call {
3683	@addr = map { sprintf "%x", $_ } @addr;	4415	@addr = map { sprintf "%x", $_ } @addr;
…		…
3694	}	4426	}
3695		4427
3696	@funcs	4428	@funcs
3697	};	4429	};
3698		4430
3699	LOG llevInfo, "[ABT] $msg\n";	4431	LOG llevInfo, "[ABT] $perl_bt\n";
		4432	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3700	LOG llevInfo, "[ABT] $_\n" for @bt;	4433	LOG llevInfo, "[ABT] $_\n" for @bt;
3701	--$_log_backtrace;	4434	--$_log_backtrace;
3702	};	4435	};
3703	} else {	4436	} else {
3704	LOG llevInfo, "[ABT] $msg\n";	4437	LOG llevInfo, "[ABT] $msg\n";
3705	LOG llevInfo, "[ABT] [suppressed]\n";	4438	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3706	}	4439	}
3707	}	4440	}
3708		4441
3709	# load additional modules	4442	# load additional modules
3710	use cf::pod;	4443	require "cf/$_.pm" for @EXTRA_MODULES;
		4444	cf::_connect_to_perl_2;
3711		4445
3712	END { cf::emergency_save }	4446	END { cf::emergency_save }
3713		4447
3714	1	4448	1
3715		4449

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