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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.387 by root, Mon Oct 15 23:49:10 2007 UTC vs.
Revision 1.600 by root, Sun Nov 11 04:31:57 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 les 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	if (Coro::nready) {	689	if (Coro::nready) {
450	Coro::cede_notself;	690	Coro::cede_notself;
451	} else {	691	} else {
452	Event::one_event;	692	EV::loop EV::LOOP_ONESHOT;
453	}	693	}
454	}	694	}
455		695
456	$time = Event::time - $time;	696	my $time = AE::time - $time;
457		697
458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
460
461	$tick_start += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
462		699
463	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
464	} else {	701	} else {
465	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
466		703
…		…
486	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
487		724
488	$coro	725	$coro
489	}	726	}
490		727
491	=item fork_call { }, $args	728	=item fork_call { }, @args
492		729
493	Executes the given code block with the given arguments in a seperate	730	Executes the given code block with the given arguments in a seperate
494	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
495	Coro::Storable. May, of course, block. Note that the executed sub may	732	Coro::Storable. May, of course, block. Note that the executed sub may
496	never block itself or use any form of Event handling.	733	never block itself or use any form of event handling.
497		734
498	=cut	735	=cut
		736
		737	sub post_fork {
		738	reset_signals;
		739	}
499		740
500	sub fork_call(&@) {	741	sub fork_call(&@) {
501	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
502		743
503	# we seemingly have to make a local copy of the whole thing,	744	# we seemingly have to make a local copy of the whole thing,
504	# otherwise perl prematurely frees the stuff :/	745	# otherwise perl prematurely frees the stuff :/
505	# TODO: investigate and fix (likely this will be rather laborious)	746	# TODO: investigate and fix (likely this will be rather laborious)
506		747
507	my @res = Coro::Util::fork_eval {	748	my @res = Coro::Util::fork_eval {
508	reset_signals;	749	cf::post_fork;
509	&$cb	750	&$cb
510	}, @args;	751	} @args;
511		752
512	wantarray ? @res : $res[-1]	753	wantarray ? @res : $res[-1]
		754	}
		755
		756	sub objinfo {
		757	(
		758	"counter value" => cf::object::object_count,
		759	"objects created" => cf::object::create_count,
		760	"objects destroyed" => cf::object::destroy_count,
		761	"freelist size" => cf::object::free_count,
		762	"allocated objects" => cf::object::objects_size,
		763	"active objects" => cf::object::actives_size,
		764	)
		765	}
		766
		767	=item $coin = coin_from_name $name
		768
		769	=cut
		770
		771	our %coin_alias = (
		772	"silver" => "silvercoin",
		773	"silvercoin" => "silvercoin",
		774	"silvercoins" => "silvercoin",
		775	"gold" => "goldcoin",
		776	"goldcoin" => "goldcoin",
		777	"goldcoins" => "goldcoin",
		778	"platinum" => "platinacoin",
		779	"platinumcoin" => "platinacoin",
		780	"platinumcoins" => "platinacoin",
		781	"platina" => "platinacoin",
		782	"platinacoin" => "platinacoin",
		783	"platinacoins" => "platinacoin",
		784	"royalty" => "royalty",
		785	"royalties" => "royalty",
		786	);
		787
		788	sub coin_from_name($) {
		789	$coin_alias{$_[0]}
		790	? cf::arch::find $coin_alias{$_[0]}
		791	: undef
513	}	792	}
514		793
515	=item $value = cf::db_get $family => $key	794	=item $value = cf::db_get $family => $key
516		795
517	Returns a single value from the environment database.	796	Returns a single value from the environment database.
…		…
527	within each server.	806	within each server.
528		807
529	=cut	808	=cut
530		809
531	sub db_table($) {	810	sub db_table($) {
		811	cf::error "db_get called from main context"
		812	if $Coro::current == $Coro::main;
		813
532	my ($name) = @_;	814	my ($name) = @_;
533	my $db = BDB::db_create $DB_ENV;	815	my $db = BDB::db_create $DB_ENV;
534		816
535	eval {	817	eval {
536	$db->set_flags (BDB::CHKSUM);	818	$db->set_flags (BDB::CHKSUM);
…		…
546	}	828	}
547		829
548	our $DB;	830	our $DB;
549		831
550	sub db_init {	832	sub db_init {
551	cf::sync_job {
552	$DB ||= db_table "db";	833	$DB ||= db_table "db";
553	};
554	}	834	}
555		835
556	sub db_get($$) {	836	sub db_get($$) {
557	my $key = "$_[0]/$_[1]";	837	my $key = "$_[0]/$_[1]";
558		838
559	cf::sync_job {	839	cf::error "db_get called from main context"
		840	if $Coro::current == $Coro::main;
		841
560	BDB::db_get $DB, undef, $key, my $data;	842	BDB::db_get $DB, undef, $key, my $data;
561		843
562	$! ? ()	844	$! ? ()
563	: $data	845	: $data
564	}
565	}	846	}
566		847
567	sub db_put($$$) {	848	sub db_put($$$) {
568	BDB::dbreq_pri 4;	849	BDB::dbreq_pri 4;
569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	850	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
597		878
598	my @data;	879	my @data;
599	my $md5;	880	my $md5;
600		881
601	for (0 .. $#$src) {	882	for (0 .. $#$src) {
602	0 <= aio_load $src->[$_], $data[$_]	883	$data[$_] = load_file $src->[$_];
603	or Carp::croak "$src->[$_]: $!";
604	}	884	}
605		885
606	# if processing is expensive, check	886	# if processing is expensive, check
607	# checksum first	887	# checksum first
608	if (1) {	888	if (1) {
…		…
621		901
622	return db_get cache => "$id/data";	902	return db_get cache => "$id/data";
623	}	903	}
624	}	904	}
625		905
626	my $t1 = Time::HiRes::time;	906	my $t1 = EV::time;
627	my $data = $process->(\@data);	907	my $data = $process->(\@data);
628	my $t2 = Time::HiRes::time;	908	my $t2 = EV::time;
629		909
630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	910	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
631		911
632	db_put cache => "$id/data", $data;	912	db_put cache => "$id/data", $data;
633	db_put cache => "$id/md5" , $md5;	913	db_put cache => "$id/md5" , $md5;
634	db_put cache => "$id/meta", $meta;	914	db_put cache => "$id/meta", $meta;
635		915
…		…
645		925
646	=cut	926	=cut
647		927
648	sub datalog($@) {	928	sub datalog($@) {
649	my ($type, %kv) = @_;	929	my ($type, %kv) = @_;
650	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	930	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
651	}	931	}
652		932
653	=back	933	=back
654		934
655	=cut	935	=cut
656		936
657	#############################################################################	937	#############################################################################
658		938
659	=head2 ATTACHABLE OBJECTS	939	=head2 ATTACHABLE OBJECTS
660		940
661	Many objects in crossfire are so-called attachable objects. That means you can	941	Many objects in deliantra are so-called attachable objects. That means you can
662	attach callbacks/event handlers (a collection of which is called an "attachment")	942	attach callbacks/event handlers (a collection of which is called an "attachment")
663	to it. All such attachable objects support the following methods.	943	to it. All such attachable objects support the following methods.
664		944
665	In the following description, CLASS can be any of C<global>, C<object>	945	In the following description, CLASS can be any of C<global>, C<object>
666	C<player>, C<client> or C<map> (i.e. the attachable objects in	946	C<player>, C<client> or C<map> (i.e. the attachable objects in
667	Crossfire TRT).	947	Deliantra).
668		948
669	=over 4	949	=over 4
670		950
671	=item $attachable->attach ($attachment, key => $value...)	951	=item $attachable->attach ($attachment, key => $value...)
672		952
…		…
716	=item cf::CLASS::attachment $name, ...	996	=item cf::CLASS::attachment $name, ...
717		997
718	Register an attachment by C<$name> through which attachable objects of the	998	Register an attachment by C<$name> through which attachable objects of the
719	given CLASS can refer to this attachment.	999	given CLASS can refer to this attachment.
720		1000
721	Some classes such as crossfire maps and objects can specify attachments	1001	Some classes such as deliantra maps and objects can specify attachments
722	that are attached at load/instantiate time, thus the need for a name.	1002	that are attached at load/instantiate time, thus the need for a name.
723		1003
724	These calls expect any number of the following handler/hook descriptions:	1004	These calls expect any number of the following handler/hook descriptions:
725		1005
726	=over 4	1006	=over 4
…		…
850		1130
851	} elsif (exists $cb_id{$type}) {	1131	} elsif (exists $cb_id{$type}) {
852	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1132	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
853		1133
854	} elsif (ref $type) {	1134	} elsif (ref $type) {
855	warn "attaching objects not supported, ignoring.\n";	1135	error "attaching objects not supported, ignoring.\n";
856		1136
857	} else {	1137	} else {
858	shift @arg;	1138	shift @arg;
859	warn "attach argument '$type' not supported, ignoring.\n";	1139	error "attach argument '$type' not supported, ignoring.\n";
860	}	1140	}
861	}	1141	}
862	}	1142	}
863		1143
864	sub _object_attach {	1144	sub _object_attach {
…		…
874	_attach $registry, $klass, @attach;	1154	_attach $registry, $klass, @attach;
875	}	1155	}
876		1156
877	$obj->{$name} = \%arg;	1157	$obj->{$name} = \%arg;
878	} else {	1158	} else {
879	warn "object uses attachment '$name' which is not available, postponing.\n";	1159	info "object uses attachment '$name' which is not available, postponing.\n";
880	}	1160	}
881		1161
882	$obj->{_attachment}{$name} = undef;	1162	$obj->{_attachment}{$name} = undef;
883	}	1163	}
884		1164
…		…
943		1223
944	for (@$callbacks) {	1224	for (@$callbacks) {
945	eval { &{$_->[1]} };	1225	eval { &{$_->[1]} };
946		1226
947	if ($@) {	1227	if ($@) {
948	warn "$@";
949	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1228	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
950	override;	1229	override;
951	}	1230	}
952		1231
953	return 1 if $override;	1232	return 1 if $override;
954	}	1233	}
955		1234
956	0	1235	0
957	}	1236	}
958		1237
959	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
960		1239
961	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1240	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
962		1241
963	Generate an object-specific event with the given arguments.	1242	Generate an object-specific event with the given arguments.
964		1243
…		…
1017		1296
1018	sub reattach {	1297	sub reattach {
1019	# basically do the same as instantiate, without calling instantiate	1298	# basically do the same as instantiate, without calling instantiate
1020	my ($obj) = @_;	1299	my ($obj) = @_;
1021		1300
		1301	# no longer needed after getting rid of delete_package?
1022	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1302	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1023		1303
1024	my $registry = $obj->registry;	1304	my $registry = $obj->registry;
1025		1305
1026	@$registry = ();	1306	@$registry = ();
1027		1307
…		…
1032	for (@$attach) {	1312	for (@$attach) {
1033	my ($klass, @attach) = @$_;	1313	my ($klass, @attach) = @$_;
1034	_attach $registry, $klass, @attach;	1314	_attach $registry, $klass, @attach;
1035	}	1315	}
1036	} else {	1316	} else {
1037	warn "object uses attachment '$name' that is not available, postponing.\n";	1317	info "object uses attachment '$name' that is not available, postponing.\n";
1038	}	1318	}
1039	}	1319	}
1040	}	1320	}
1041		1321
1042	cf::attachable->attach (	1322	cf::attachable->attach (
1043	prio => -1000000,	1323	prio => -1000000,
1044	on_instantiate => sub {	1324	on_instantiate => sub {
1045	my ($obj, $data) = @_;	1325	my ($obj, $data) = @_;
1046		1326
1047	$data = from_json $data;	1327	$data = decode_json $data;
1048		1328
1049	for (@$data) {	1329	for (@$data) {
1050	my ($name, $args) = @$_;	1330	my ($name, $args) = @$_;
1051		1331
1052	$obj->attach ($name, %{$args || {} });	1332	$obj->attach ($name, %{$args || {} });
…		…
1069	my ($filename, $rdata, $objs) = @_;	1349	my ($filename, $rdata, $objs) = @_;
1070		1350
1071	sync_job {	1351	sync_job {
1072	if (length $$rdata) {	1352	if (length $$rdata) {
1073	utf8::decode (my $decname = $filename);	1353	utf8::decode (my $decname = $filename);
1074	warn sprintf "saving %s (%d,%d)\n",	1354	trace sprintf "saving %s (%d,%d)\n",
1075	$decname, length $$rdata, scalar @$objs;	1355	$decname, length $$rdata, scalar @$objs
		1356	if $VERBOSE_IO;
1076		1357
1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1358	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1078	chmod SAVE_MODE, $fh;	1359	aio_chmod $fh, SAVE_MODE;
1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1360	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1080	aio_fsync $fh if $cf::USE_FSYNC;	1361	if ($cf::USE_FSYNC) {
		1362	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;
		1363	aio_fsync $fh;
		1364	}
1081	close $fh;	1365	aio_close $fh;
1082		1366
1083	if (@$objs) {	1367	if (@$objs) {
1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1368	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1085	chmod SAVE_MODE, $fh;	1369	aio_chmod $fh, SAVE_MODE;
1086	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };	1370	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1087	aio_write $fh, 0, (length $data), $data, 0;	1371	aio_write $fh, 0, (length $data), $data, 0;
1088	aio_fsync $fh if $cf::USE_FSYNC;	1372	if ($cf::USE_FSYNC) {
		1373	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;
		1374	aio_fsync $fh;
		1375	}
1089	close $fh;	1376	aio_close $fh;
1090	aio_rename "$filename.pst~", "$filename.pst";	1377	aio_rename "$filename.pst~", "$filename.pst";
1091	}	1378	}
1092	} else {	1379	} else {
1093	aio_unlink "$filename.pst";	1380	aio_unlink "$filename.pst";
1094	}	1381	}
1095		1382
1096	aio_rename "$filename~", $filename;	1383	aio_rename "$filename~", $filename;
		1384
		1385	$filename =~ s%/[^/]+$%%;
		1386	aio_pathsync $filename if $cf::USE_FSYNC;
1097	} else {	1387	} else {
1098	warn "FATAL: $filename~: $!\n";	1388	error "unable to save objects: $filename~: $!\n";
1099	}	1389	}
1100	} else {	1390	} else {
1101	aio_unlink $filename;	1391	aio_unlink $filename;
1102	aio_unlink "$filename.pst";	1392	aio_unlink "$filename.pst";
1103	}	1393	}
…		…
1122		1412
1123	unless (aio_stat "$filename.pst") {	1413	unless (aio_stat "$filename.pst") {
1124	(aio_load "$filename.pst", $av) >= 0	1414	(aio_load "$filename.pst", $av) >= 0
1125	or return;	1415	or return;
1126		1416
1127	my $st = eval { Coro::Storable::thaw $av }	1417	my $st = eval { Coro::Storable::thaw $av };
1128	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
1129	$av = $st->{objs};	1418	$av = $st->{objs};
1130	}	1419	}
1131		1420
1132	utf8::decode (my $decname = $filename);	1421	utf8::decode (my $decname = $filename);
1133	warn sprintf "loading %s (%d,%d)\n",	1422	trace sprintf "loading %s (%d,%d)\n",
1134	$decname, length $data, scalar @{$av || []};	1423	$decname, length $data, scalar @{$av || []}
		1424	if $VERBOSE_IO;
1135		1425
1136	($data, $av)	1426	($data, $av)
1137	}	1427	}
1138		1428
1139	=head2 COMMAND CALLBACKS	1429	=head2 COMMAND CALLBACKS
…		…
1143	=cut	1433	=cut
1144		1434
1145	#############################################################################	1435	#############################################################################
1146	# command handling &c	1436	# command handling &c
1147		1437
1148	=item cf::register_command $name => \&callback($ob,$args);	1438	=item cf::register_command $name => \&callback($ob,$args)
1149		1439
1150	Register a callback for execution when the client sends the user command	1440	Register a callback for execution when the client sends the user command
1151	$name.	1441	$name.
1152		1442
1153	=cut	1443	=cut
…		…
1159	#warn "registering command '$name/$time' to '$caller'";	1449	#warn "registering command '$name/$time' to '$caller'";
1160		1450
1161	push @{ $COMMAND{$name} }, [$caller, $cb];	1451	push @{ $COMMAND{$name} }, [$caller, $cb];
1162	}	1452	}
1163		1453
1164	=item cf::register_extcmd $name => \&callback($pl,$packet);	1454	=item cf::register_extcmd $name => \&callback($pl,@args)
1165		1455
1166	Register a callback for execution when the client sends an (synchronous)	1456	Register a callback for execution when the client sends an (synchronous)
1167	extcmd packet. Ext commands will be processed in the order they are	1457	extcmd packet. Ext commands will be processed in the order they are
1168	received by the server, like other user commands. The first argument is	1458	received by the server, like other user commands. The first argument is
1169	the logged-in player. Ext commands can only be processed after a player	1459	the logged-in player. Ext commands can only be processed after a player
1170	has logged in successfully.	1460	has logged in successfully.
1171		1461
1172	If the callback returns something, it is sent back as if reply was being	1462	The values will be sent back to the client.
1173	called.
1174		1463
		1464	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
		1465
		1466	Same as C<cf::register_extcmd>, but instead of returning values, the
		1467	callback needs to clal the C<$reply> function.
		1468
1175	=item cf::register_exticmd $name => \&callback($ns,$packet);	1469	=item cf::register_exticmd $name => \&callback($ns,@args)
1176		1470
1177	Register a callback for execution when the client sends an (asynchronous)	1471	Register a callback for execution when the client sends an (asynchronous)
1178	exticmd packet. Exti commands are processed by the server as soon as they	1472	exticmd packet. Exti commands are processed by the server as soon as they
1179	are received, i.e. out of order w.r.t. other commands. The first argument	1473	are received, i.e. out of order w.r.t. other commands. The first argument
1180	is a client socket. Exti commands can be received anytime, even before	1474	is a client socket. Exti commands can be received anytime, even before
1181	log-in.	1475	log-in.
1182		1476
1183	If the callback returns something, it is sent back as if reply was being	1477	The values will be sent back to the client.
1184	called.
1185		1478
1186	=cut	1479	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1187		1480
		1481	Same as C<cf::register_extcmd>, but instead of returning values, the
		1482	callback needs to clal the C<$reply> function.
		1483
		1484	=cut
		1485
1188	sub register_extcmd {	1486	sub register_extcmd($$) {
1189	my ($name, $cb) = @_;	1487	my ($name, $cb) = @_;
1190		1488
1191	$EXTCMD{$name} = $cb;	1489	$EXTCMD{$name} = $cb;
1192	}	1490	}
1193		1491
1194	sub register_exticmd {	1492	sub register_async_extcmd($$) {
1195	my ($name, $cb) = @_;	1493	my ($name, $cb) = @_;
1196		1494
		1495	$EXTACMD{$name} = $cb;
		1496	}
		1497
		1498	sub register_exticmd($$) {
		1499	my ($name, $cb) = @_;
		1500
1197	$EXTICMD{$name} = $cb;	1501	$EXTICMD{$name} = $cb;
1198	}	1502	}
1199		1503
		1504	sub register_async_exticmd($$) {
		1505	my ($name, $cb) = @_;
		1506
		1507	$EXTIACMD{$name} = $cb;
		1508	}
		1509
		1510	use File::Glob ();
		1511
1200	cf::player->attach (	1512	cf::player->attach (
1201	on_command => sub {	1513	on_unknown_command => sub {
1202	my ($pl, $name, $params) = @_;	1514	my ($pl, $name, $params) = @_;
1203		1515
1204	my $cb = $COMMAND{$name}	1516	my $cb = $COMMAND{$name}
1205	or return;	1517	or return;
1206		1518
…		…
1214	my ($pl, $buf) = @_;	1526	my ($pl, $buf) = @_;
1215		1527
1216	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1528	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1217		1529
1218	if (ref $msg) {	1530	if (ref $msg) {
1219	my ($type, $reply, @payload) =	1531	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1220	"ARRAY" eq ref $msg
1221	? @$msg
1222	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1223		1532
1224	my @reply;
1225
1226	if (my $cb = $EXTCMD{$type}) {	1533	if (my $cb = $EXTACMD{$type}) {
		1534	$cb->(
		1535	$pl,
		1536	sub {
		1537	$pl->ext_msg ("reply-$reply", @_)
		1538	if $reply;
		1539	},
		1540	@payload
		1541	);
		1542	} else {
		1543	my @reply;
		1544
		1545	if (my $cb = $EXTCMD{$type}) {
1227	@reply = $cb->($pl, @payload);	1546	@reply = $cb->($pl, @payload);
		1547	}
		1548
		1549	$pl->ext_msg ("reply-$reply", @reply)
		1550	if $reply;
1228	}	1551	}
1229		1552
1230	$pl->ext_reply ($reply, @reply)
1231	if $reply;
1232
1233	} else {	1553	} else {
1234	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1554	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1235	}	1555	}
1236		1556
1237	cf::override;	1557	cf::override;
1238	},	1558	},
1239	);	1559	);
1240		1560
		1561	# "readahead" all extensions
		1562	sub cache_extensions {
		1563	my $grp = IO::AIO::aio_group;
		1564
		1565	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1566	for (grep /\.ext$/, @{$_[0]}) {
		1567	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1568	}
		1569	};
		1570
		1571	$grp
		1572	}
		1573
		1574	sub _ext_cfg_reg($$$$) {
		1575	my ($rvar, $varname, $cfgname, $default) = @_;
		1576
		1577	$cfgname = lc $varname
		1578	unless length $cfgname;
		1579
		1580	$EXT_CFG{$cfgname} = [$rvar, $default];
		1581
		1582	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1583	}
		1584
1241	sub load_extensions {	1585	sub load_extensions {
		1586	info "loading extensions...";
		1587
		1588	%EXT_CFG = ();
		1589
1242	cf::sync_job {	1590	cf::sync_job {
1243	my %todo;	1591	my %todo;
1244		1592
1245	for my $path (<$LIBDIR/*.ext>) {	1593	for my $path (<$LIBDIR/*.ext>) {
1246	next unless -r $path;	1594	next unless -r $path;
…		…
1264		1612
1265	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1613	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1266	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1614	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1267		1615
1268	$ext{source} =	1616	$ext{source} =
1269	"package $pkg; use strict; use utf8;\n"	1617	"package $pkg; use common::sense;\n"
1270	. "#line 1 \"$path\"\n{\n"	1618	. "#line 1 \"$path\"\n{\n"
1271	. $source	1619	. $source
1272	. "\n};\n1";	1620	. "\n};\n1";
1273		1621
1274	$todo{$base} = \%ext;	1622	$todo{$base} = \%ext;
1275	}	1623	}
1276		1624
		1625	my $pass = 0;
1277	my %done;	1626	my %done;
1278	while (%todo) {	1627	while (%todo) {
1279	my $progress;	1628	my $progress;
1280		1629
		1630	++$pass;
		1631
		1632	ext:
1281	while (my ($k, $v) = each %todo) {	1633	while (my ($k, $v) = each %todo) {
1282	for (split /,\s*/, $v->{meta}{depends}) {	1634	for (split /,\s*/, $v->{meta}{depends}) {
1283	goto skip	1635	next ext
1284	unless exists $done{$_};	1636	unless exists $done{$_};
1285	}	1637	}
1286		1638
1287	warn "... loading '$k' into '$v->{pkg}'\n";	1639	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1288		1640
1289	unless (eval $v->{source}) {	1641	my $source = $v->{source};
		1642
		1643	# support "CONF varname :confname = default" pseudo-statements
		1644	$source =~ s{
		1645	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1646	}{
		1647	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1648	}gmxe;
		1649
		1650	my $active = eval $source;
		1651
		1652	if (length $@) {
1290	my $msg = $@ ? "$v->{path}: $@\n"	1653	error "$v->{path}: $@\n";
1291	: "$v->{base}: extension inactive.\n";
1292		1654
		1655	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1293	if (exists $v->{meta}{mandatory}) {	1656	if exists $v->{meta}{mandatory};
1294	warn $msg;	1657
1295	warn "mandatory extension failed to load, exiting.\n";	1658	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1296	exit 1;	1659	delete $todo{$k};
1297	}	1660	} else {
1298		1661	$done{$k} = delete $todo{$k};
1299	warn $msg;	1662	push @EXTS, $v->{pkg};
		1663	$progress = 1;
		1664
		1665	info "$v->{base}: extension inactive.\n"
		1666	unless $active;
1300	}	1667	}
1301
1302	$done{$k} = delete $todo{$k};
1303	push @EXTS, $v->{pkg};
1304	$progress = 1;
1305	}	1668	}
1306		1669
1307	skip:	1670	unless ($progress) {
1308	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1671	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1309	unless $progress;	1672
		1673	while (my ($k, $v) = each %todo) {
		1674	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1675	if exists $v->{meta}{mandatory};
		1676	}
		1677
		1678	last;
		1679	}
1310	}	1680	}
1311	};	1681	};
1312	}	1682	}
1313		1683
1314	#############################################################################	1684	#############################################################################
1315		1685
1316	=back	1686	=back
1317		1687
1318	=head2 CORE EXTENSIONS	1688	=head2 CORE EXTENSIONS
1319		1689
1320	Functions and methods that extend core crossfire objects.	1690	Functions and methods that extend core deliantra objects.
1321		1691
1322	=cut	1692	=cut
1323		1693
1324	package cf::player;	1694	package cf::player;
1325		1695
…		…
1368		1738
1369	sub exists($) {	1739	sub exists($) {
1370	my ($login) = @_;	1740	my ($login) = @_;
1371		1741
1372	$cf::PLAYER{$login}	1742	$cf::PLAYER{$login}
1373	or cf::sync_job { !aio_stat path $login }	1743	or !aio_stat path $login
1374	}	1744	}
1375		1745
1376	sub find($) {	1746	sub find($) {
1377	return $cf::PLAYER{$_[0]} || do {	1747	return $cf::PLAYER{$_[0]} || do {
1378	my $login = $_[0];	1748	my $login = $_[0];
…		…
1390	my $f = new_from_file cf::object::thawer path $login	1760	my $f = new_from_file cf::object::thawer path $login
1391	or return;	1761	or return;
1392		1762
1393	my $pl = cf::player::load_pl $f	1763	my $pl = cf::player::load_pl $f
1394	or return;	1764	or return;
		1765
1395	local $cf::PLAYER_LOADING{$login} = $pl;	1766	local $cf::PLAYER_LOADING{$login} = $pl;
1396	$f->resolve_delayed_derefs;	1767	$f->resolve_delayed_derefs;
1397	$cf::PLAYER{$login} = $pl	1768	$cf::PLAYER{$login} = $pl
1398	}	1769	}
1399	}	1770	}
1400	}	1771	}
1401		1772
		1773	cf::player->attach (
		1774	on_load => sub {
		1775	my ($pl, $path) = @_;
		1776
		1777	# restore slots saved in save, below
		1778	my $slots = delete $pl->{_slots};
		1779
		1780	$pl->ob->current_weapon ($slots->[0]);
		1781	$pl->combat_ob ($slots->[1]);
		1782	$pl->ranged_ob ($slots->[2]);
		1783	},
		1784	);
		1785
1402	sub save($) {	1786	sub save($) {
1403	my ($pl) = @_;	1787	my ($pl) = @_;
1404		1788
1405	return if $pl->{deny_save};	1789	return if $pl->{deny_save};
1406		1790
…		…
1409		1793
1410	return if $pl->{deny_save};	1794	return if $pl->{deny_save};
1411		1795
1412	aio_mkdir playerdir $pl, 0770;	1796	aio_mkdir playerdir $pl, 0770;
1413	$pl->{last_save} = $cf::RUNTIME;	1797	$pl->{last_save} = $cf::RUNTIME;
		1798
		1799	cf::get_slot 0.01;
		1800
		1801	# save slots, to be restored later
		1802	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1414		1803
1415	$pl->save_pl ($path);	1804	$pl->save_pl ($path);
1416	cf::cede_to_tick;	1805	cf::cede_to_tick;
1417	}	1806	}
1418		1807
…		…
1450	my ($pl) = @_;	1839	my ($pl) = @_;
1451		1840
1452	my $name = $pl->ob->name;	1841	my $name = $pl->ob->name;
1453		1842
1454	$pl->{deny_save} = 1;	1843	$pl->{deny_save} = 1;
1455	$pl->password ("*"); # this should lock out the player until we nuked the dir	1844	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1456		1845
1457	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1846	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1458	$pl->deactivate;	1847	$pl->deactivate;
		1848
		1849	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1459	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1850	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1851	ext::highscore::check ($pl->ob);
		1852
1460	$pl->ns->destroy if $pl->ns;	1853	$pl->ns->destroy if $pl->ns;
1461		1854
1462	my $path = playerdir $pl;	1855	my $path = playerdir $pl;
1463	my $temp = "$path~$cf::RUNTIME~deleting~";	1856	my $temp = "$path~$cf::RUNTIME~deleting~";
1464	aio_rename $path, $temp;	1857	aio_rename $path, $temp;
…		…
1502		1895
1503	for my $login (@$dirs) {	1896	for my $login (@$dirs) {
1504	my $path = path $login;	1897	my $path = path $login;
1505		1898
1506	# a .pst is a dead give-away for a valid player	1899	# a .pst is a dead give-away for a valid player
1507	unless (-e "$path.pst") {	1900	# if no pst file found, open and chekc for blocked users
		1901	if (aio_stat "$path.pst") {
1508	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1902	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1509	aio_read $fh, 0, 512, my $buf, 0 or next;	1903	aio_read $fh, 0, 512, my $buf, 0 or next;
1510	$buf !~ /^password -------------$/m or next; # official not-valid tag	1904	$buf !~ /^password -------------$/m or next; # official not-valid tag
1511	}	1905	}
1512		1906
…		…
1516		1910
1517	\@logins	1911	\@logins
1518	}	1912	}
1519		1913
1520	=item $player->maps	1914	=item $player->maps
		1915
		1916	=item cf::player::maps $login
1521		1917
1522	Returns an arrayref of map paths that are private for this	1918	Returns an arrayref of map paths that are private for this
1523	player. May block.	1919	player. May block.
1524		1920
1525	=cut	1921	=cut
…		…
1543	}	1939	}
1544		1940
1545	\@paths	1941	\@paths
1546	}	1942	}
1547		1943
1548	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1944	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1549		1945
1550	Expand crossfire pod fragments into protocol xml.	1946	Expand deliantra pod fragments into protocol xml.
1551
1552	=cut
1553
1554	sub expand_cfpod {
1555	((my $self), (local $_)) = @_;
1556
1557	# escape & and <
1558	s/&/&amp;/g;
1559	s/(?<![BIUGHT])</&lt;/g;
1560
1561	# this is buggy, it needs to properly take care of nested <'s
1562
1563	1 while
1564	# replace B<>, I<>, U<> etc.
1565	s/B<([^\>]*)>/<b>$1<\/b>/
1566	|| s/I<([^\>]*)>/<i>$1<\/i>/
1567	|| s/U<([^\>]*)>/<u>$1<\/u>/
1568	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1569	# replace G<male|female> tags
1570	|| s{G<([^>|]*)\|([^>]*)>}{
1571	$self->gender ? $2 : $1
1572	}ge
1573	# replace H<hint text>
1574	|| s{H<([^\>]*)>}
1575	{
1576	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1577	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1578	"")
1579	[$self->{hintmode}]
1580	}ge;
1581
1582	# create single paragraphs (very hackish)
1583	s/(?<=\S)\n(?=\w)/ /g;
1584
1585	# compress some whitespace
1586	s/\s+\n/\n/g; # ws line-ends
1587	s/\n\n+/\n/g; # double lines
1588	s/^\n+//; # beginning lines
1589	s/\n+$//; # ending lines
1590
1591	$_
1592	}
1593
1594	sub hintmode {
1595	$_[0]{hintmode} = $_[1] if @_ > 1;
1596	$_[0]{hintmode}
1597	}
1598
1599	=item $player->ext_reply ($msgid, @msg)
1600
1601	Sends an ext reply to the player.
1602
1603	=cut
1604
1605	sub ext_reply($$@) {
1606	my ($self, $id, @msg) = @_;
1607
1608	$self->ns->ext_reply ($id, @msg)
1609	}
1610		1947
1611	=item $player->ext_msg ($type, @msg)	1948	=item $player->ext_msg ($type, @msg)
1612		1949
1613	Sends an ext event to the client.	1950	Sends an ext event to the client.
1614		1951
…		…
1634		1971
1635	=cut	1972	=cut
1636		1973
1637	sub find_by_path($) {	1974	sub find_by_path($) {
1638	my ($path) = @_;	1975	my ($path) = @_;
		1976
		1977	$path =~ s/^~[^\/]*//; # skip ~login
1639		1978
1640	my ($match, $specificity);	1979	my ($match, $specificity);
1641		1980
1642	for my $region (list) {	1981	for my $region (list) {
1643	if ($region->{match} && $path =~ $region->{match}) {	1982	if ($region->{match} && $path =~ $region->{match}) {
…		…
1669	our $MAX_RESET = 3600;	2008	our $MAX_RESET = 3600;
1670	our $DEFAULT_RESET = 3000;	2009	our $DEFAULT_RESET = 3000;
1671		2010
1672	sub generate_random_map {	2011	sub generate_random_map {
1673	my ($self, $rmp) = @_;	2012	my ($self, $rmp) = @_;
1674	# mit "rum" bekleckern, nicht	2013
		2014	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2015
1675	$self->_create_random_map (	2016	$self->_create_random_map ($rmp);
1676	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1677	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1678	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1679	$rmp->{exit_on_final_map},
1680	$rmp->{xsize}, $rmp->{ysize},
1681	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1682	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1683	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1684	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1685	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1686	(cf::region::find $rmp->{region}), $rmp->{custom}
1687	)
1688	}	2017	}
1689		2018
1690	=item cf::map->register ($regex, $prio)	2019	=item cf::map->register ($regex, $prio)
1691		2020
1692	Register a handler for the map path matching the given regex at the	2021	Register a handler for the map path matching the given regex at the
…		…
1697		2026
1698	sub register {	2027	sub register {
1699	my (undef, $regex, $prio) = @_;	2028	my (undef, $regex, $prio) = @_;
1700	my $pkg = caller;	2029	my $pkg = caller;
1701		2030
1702	no strict;
1703	push @{"$pkg\::ISA"}, __PACKAGE__;	2031	push @{"$pkg\::ISA"}, __PACKAGE__;
1704		2032
1705	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2033	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1706	}	2034	}
1707		2035
1708	# also paths starting with '/'	2036	# also paths starting with '/'
1709	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2037	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1710		2038
1711	sub thawer_merge {	2039	sub thawer_merge {
1712	my ($self, $merge) = @_;	2040	my ($self, $merge) = @_;
1713		2041
1714	# we have to keep some variables in memory intact	2042	# we have to keep some variables in memory intact
…		…
1719	}	2047	}
1720		2048
1721	sub normalise {	2049	sub normalise {
1722	my ($path, $base) = @_;	2050	my ($path, $base) = @_;
1723		2051
1724	$path = "$path"; # make sure its a string	2052	$path = "$path"; # make sure it's a string
1725		2053
1726	$path =~ s/\.map$//;	2054	$path =~ s/\.map$//;
1727		2055
1728	# map plan:	2056	# map plan:
1729	#	2057	#
…		…
1744	$base =~ s{[^/]+/?$}{};	2072	$base =~ s{[^/]+/?$}{};
1745	$path = "$base/$path";	2073	$path = "$base/$path";
1746	}	2074	}
1747		2075
1748	for ($path) {	2076	for ($path) {
1749	redo if s{//}{/};
1750	redo if s{/\.?/}{/};	2077	redo if s{/\.?/}{/};
1751	redo if s{/[^/]+/\.\./}{/};	2078	redo if s{/[^/]+/\.\./}{/};
1752	}	2079	}
1753		2080
1754	$path	2081	$path
…		…
1768	$self->init; # pass $1 etc.	2095	$self->init; # pass $1 etc.
1769	return $self;	2096	return $self;
1770	}	2097	}
1771	}	2098	}
1772		2099
1773	Carp::cluck "unable to resolve path '$path' (base '$base').";	2100	Carp::cluck "unable to resolve path '$path' (base '$base')";
1774	()	2101	()
1775	}	2102	}
1776		2103
		2104	# may re-bless or do other evil things
1777	sub init {	2105	sub init {
1778	my ($self) = @_;	2106	my ($self) = @_;
1779		2107
1780	$self	2108	$self
1781	}	2109	}
…		…
1800		2128
1801	# the temporary/swap location	2129	# the temporary/swap location
1802	sub save_path {	2130	sub save_path {
1803	my ($self) = @_;	2131	my ($self) = @_;
1804		2132
1805	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2133	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1806	"$TMPDIR/$path.map"	2134	"$TMPDIR/$path.map"
1807	}	2135	}
1808		2136
1809	# the unique path, undef == no special unique path	2137	# the unique path, undef == no special unique path
1810	sub uniq_path {	2138	sub uniq_path {
1811	my ($self) = @_;	2139	my ($self) = @_;
1812		2140
1813	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2141	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1814	"$UNIQUEDIR/$path"	2142	"$UNIQUEDIR/$path"
1815	}
1816
1817	# and all this just because we cannot iterate over
1818	# all maps in C++...
1819	sub change_all_map_light {
1820	my ($change) = @_;
1821
1822	$_->change_map_light ($change)
1823	for grep $_->outdoor, values %cf::MAP;
1824	}	2143	}
1825		2144
1826	sub decay_objects {	2145	sub decay_objects {
1827	my ($self) = @_;	2146	my ($self) = @_;
1828		2147
…		…
1855	$self->{load_path} = $path;	2174	$self->{load_path} = $path;
1856		2175
1857	1	2176	1
1858	}	2177	}
1859		2178
		2179	# used to laod the header of an original map
1860	sub load_header_orig {	2180	sub load_header_orig {
1861	my ($self) = @_;	2181	my ($self) = @_;
1862		2182
1863	$self->load_header_from ($self->load_path)	2183	$self->load_header_from ($self->load_path)
1864	}	2184	}
1865		2185
		2186	# used to laod the header of an instantiated map
1866	sub load_header_temp {	2187	sub load_header_temp {
1867	my ($self) = @_;	2188	my ($self) = @_;
1868		2189
1869	$self->load_header_from ($self->save_path)	2190	$self->load_header_from ($self->save_path)
1870	}	2191	}
1871		2192
		2193	# called after loading the header from an instantiated map
1872	sub prepare_temp {	2194	sub prepare_temp {
1873	my ($self) = @_;	2195	my ($self) = @_;
1874		2196
1875	$self->last_access ((delete $self->{last_access})	2197	$self->last_access ((delete $self->{last_access})
1876	|| $cf::RUNTIME); #d#	2198	|| $cf::RUNTIME); #d#
1877	# safety	2199	# safety
1878	$self->{instantiate_time} = $cf::RUNTIME	2200	$self->{instantiate_time} = $cf::RUNTIME
1879	if $self->{instantiate_time} > $cf::RUNTIME;	2201	if $self->{instantiate_time} > $cf::RUNTIME;
1880	}	2202	}
1881		2203
		2204	# called after loading the header from an original map
1882	sub prepare_orig {	2205	sub prepare_orig {
1883	my ($self) = @_;	2206	my ($self) = @_;
1884		2207
1885	$self->{load_original} = 1;	2208	$self->{load_original} = 1;
1886	$self->{instantiate_time} = $cf::RUNTIME;	2209	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1910		2233
1911	sub find;	2234	sub find;
1912	sub find {	2235	sub find {
1913	my ($path, $origin) = @_;	2236	my ($path, $origin) = @_;
1914		2237
		2238	cf::cede_to_tick;
		2239
1915	$path = normalise $path, $origin && $origin->path;	2240	$path = normalise $path, $origin;
1916		2241
1917	cf::lock_wait "map_data:$path";#d#remove	2242	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1918	cf::lock_wait "map_find:$path";	2243	my $guard2 = cf::lock_acquire "map_find:$path";
1919		2244
1920	$cf::MAP{$path} || do {	2245	$cf::MAP{$path} || do {
1921	my $guard1 = cf::lock_acquire "map_find:$path";
1922	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1923
1924	my $map = new_from_path cf::map $path	2246	my $map = new_from_path cf::map $path
1925	or return;	2247	or return;
1926		2248
1927	$map->{last_save} = $cf::RUNTIME;	2249	$map->{last_save} = $cf::RUNTIME;
1928		2250
…		…
1930	or return;	2252	or return;
1931		2253
1932	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2254	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1933	# doing this can freeze the server in a sync job, obviously	2255	# doing this can freeze the server in a sync job, obviously
1934	#$cf::WAIT_FOR_TICK->wait;	2256	#$cf::WAIT_FOR_TICK->wait;
		2257	undef $guard2;
1935	undef $guard1;	2258	undef $guard1;
1936	undef $guard2;
1937	$map->reset;	2259	$map->reset;
1938	return find $path;	2260	return find $path;
1939	}	2261	}
1940		2262
1941	$cf::MAP{$path} = $map	2263	$cf::MAP{$path} = $map
1942	}	2264	}
1943	}	2265	}
1944		2266
1945	sub pre_load { }	2267	sub pre_load { }
1946	sub post_load { }	2268	#sub post_load { } # XS
1947		2269
1948	sub load {	2270	sub load {
1949	my ($self) = @_;	2271	my ($self) = @_;
1950		2272
1951	local $self->{deny_reset} = 1; # loading can take a long time	2273	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1954		2276
1955	{	2277	{
1956	my $guard = cf::lock_acquire "map_data:$path";	2278	my $guard = cf::lock_acquire "map_data:$path";
1957		2279
1958	return unless $self->valid;	2280	return unless $self->valid;
1959	return unless $self->in_memory == cf::MAP_SWAPPED;	2281	return unless $self->state == cf::MAP_SWAPPED;
1960
1961	$self->in_memory (cf::MAP_LOADING);
1962		2282
1963	$self->alloc;	2283	$self->alloc;
1964		2284
1965	$self->pre_load;	2285	$self->pre_load;
1966	cf::cede_to_tick;	2286	cf::cede_to_tick;
1967		2287
		2288	if (exists $self->{load_path}) {
1968	my $f = new_from_file cf::object::thawer $self->{load_path};	2289	my $f = new_from_file cf::object::thawer $self->{load_path};
1969	$f->skip_block;	2290	$f->skip_block;
1970	$self->_load_objects ($f)	2291	$self->_load_objects ($f)
1971	or return;	2292	or return;
1972		2293
1973	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2294	$self->post_load_original
1974	if delete $self->{load_original};	2295	if delete $self->{load_original};
1975		2296
1976	if (my $uniq = $self->uniq_path) {	2297	if (my $uniq = $self->uniq_path) {
1977	utf8::encode $uniq;	2298	utf8::encode $uniq;
1978	unless (aio_stat $uniq) {	2299	unless (aio_stat $uniq) {
1979	if (my $f = new_from_file cf::object::thawer $uniq) {	2300	if (my $f = new_from_file cf::object::thawer $uniq) {
1980	$self->clear_unique_items;	2301	$self->clear_unique_items;
1981	$self->_load_objects ($f);	2302	$self->_load_objects ($f);
1982	$f->resolve_delayed_derefs;	2303	$f->resolve_delayed_derefs;
		2304	}
1983	}	2305	}
1984	}	2306	}
1985	}
1986		2307
1987	$f->resolve_delayed_derefs;	2308	$f->resolve_delayed_derefs;
		2309	} else {
		2310	$self->post_load_original
		2311	if delete $self->{load_original};
		2312	}
		2313
		2314	$self->state (cf::MAP_INACTIVE);
1988		2315
1989	cf::cede_to_tick;	2316	cf::cede_to_tick;
1990	# now do the right thing for maps	2317	# now do the right thing for maps
1991	$self->link_multipart_objects;	2318	$self->link_multipart_objects;
1992	$self->difficulty ($self->estimate_difficulty)	2319	$self->difficulty ($self->estimate_difficulty)
…		…
1996	unless ($self->{deny_activate}) {	2323	unless ($self->{deny_activate}) {
1997	$self->decay_objects;	2324	$self->decay_objects;
1998	$self->fix_auto_apply;	2325	$self->fix_auto_apply;
1999	$self->update_buttons;	2326	$self->update_buttons;
2000	cf::cede_to_tick;	2327	cf::cede_to_tick;
2001	$self->set_darkness_map;	2328	#$self->activate; # no longer activate maps automatically
2002	cf::cede_to_tick;
2003	$self->activate;
2004	}	2329	}
2005		2330
2006	$self->{last_save} = $cf::RUNTIME;	2331	$self->{last_save} = $cf::RUNTIME;
2007	$self->last_access ($cf::RUNTIME);	2332	$self->last_access ($cf::RUNTIME);
2008
2009	$self->in_memory (cf::MAP_IN_MEMORY);
2010	}	2333	}
2011		2334
2012	$self->post_load;	2335	$self->post_load;
2013	}
2014		2336
		2337	1
		2338	}
		2339
		2340	# customize the map for a given player, i.e.
		2341	# return the _real_ map. used by e.g. per-player
		2342	# maps to change the path to ~playername/mappath
2015	sub customise_for {	2343	sub customise_for {
2016	my ($self, $ob) = @_;	2344	my ($self, $ob) = @_;
2017		2345
2018	return find "~" . $ob->name . "/" . $self->{path}	2346	return find "~" . $ob->name . "/" . $self->{path}
2019	if $self->per_player;	2347	if $self->per_player;
…		…
2022	# if $self->per_party;	2350	# if $self->per_party;
2023		2351
2024	$self	2352	$self
2025	}	2353	}
2026		2354
2027	# find and load all maps in the 3x3 area around a map
2028	sub load_neighbours {
2029	my ($map) = @_;
2030
2031	my @neigh; # diagonal neighbours
2032
2033	for (0 .. 3) {
2034	my $neigh = $map->tile_path ($_)
2035	or next;
2036	$neigh = find $neigh, $map
2037	or next;
2038	$neigh->load;
2039
2040	push @neigh,
2041	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2042	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2043	}
2044
2045	for (grep defined $_->[0], @neigh) {
2046	my ($path, $origin) = @$_;
2047	my $neigh = find $path, $origin
2048	or next;
2049	$neigh->load;
2050	}
2051	}
2052
2053	sub find_sync {	2355	sub find_sync {
2054	my ($path, $origin) = @_;	2356	my ($path, $origin) = @_;
2055		2357
2056	cf::sync_job { find $path, $origin }	2358	# it's a bug to call this from the main context
		2359	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2360	if $Coro::current == $Coro::main;
		2361
		2362	find $path, $origin
2057	}	2363	}
2058		2364
2059	sub do_load_sync {	2365	sub do_load_sync {
2060	my ($map) = @_;	2366	my ($map) = @_;
2061		2367
		2368	# it's a bug to call this from the main context
2062	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2369	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2063	if $Coro::current == $Coro::main;	2370	if $Coro::current == $Coro::main;
2064		2371
2065	cf::sync_job { $map->load };	2372	$map->load;
2066	}	2373	}
2067		2374
2068	our %MAP_PREFETCH;	2375	our %MAP_PREFETCH;
2069	our $MAP_PREFETCHER = undef;	2376	our $MAP_PREFETCHER = undef;
2070		2377
2071	sub find_async {	2378	sub find_async {
2072	my ($path, $origin, $load) = @_;	2379	my ($path, $origin, $load) = @_;
2073		2380
2074	$path = normalise $path, $origin && $origin->{path};	2381	$path = normalise $path, $origin;
2075		2382
2076	if (my $map = $cf::MAP{$path}) {	2383	if (my $map = $cf::MAP{$path}) {
2077	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2384	return $map if !$load || $map->linkable;
2078	}	2385	}
2079		2386
2080	$MAP_PREFETCH{$path} |= $load;	2387	$MAP_PREFETCH{$path} |= $load;
2081		2388
2082	$MAP_PREFETCHER ||= cf::async {	2389	$MAP_PREFETCHER ||= cf::async {
…		…
2096	$MAP_PREFETCHER->prio (6);	2403	$MAP_PREFETCHER->prio (6);
2097		2404
2098	()	2405	()
2099	}	2406	}
2100		2407
		2408	# common code, used by both ->save and ->swapout
2101	sub save {	2409	sub _save {
2102	my ($self) = @_;	2410	my ($self) = @_;
2103
2104	my $lock = cf::lock_acquire "map_data:$self->{path}";
2105		2411
2106	$self->{last_save} = $cf::RUNTIME;	2412	$self->{last_save} = $cf::RUNTIME;
2107		2413
2108	return unless $self->dirty;	2414	return unless $self->dirty;
2109		2415
…		…
2118		2424
2119	cf::async {	2425	cf::async {
2120	$Coro::current->{desc} = "map player save";	2426	$Coro::current->{desc} = "map player save";
2121	$_->contr->save for $self->players;	2427	$_->contr->save for $self->players;
2122	};	2428	};
		2429
		2430	cf::get_slot 0.02;
2123		2431
2124	if ($uniq) {	2432	if ($uniq) {
2125	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2433	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2126	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2434	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2127	} else {	2435	} else {
2128	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2436	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2129	}	2437	}
2130	}	2438	}
2131		2439
		2440	sub save {
		2441	my ($self) = @_;
		2442
		2443	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2444
		2445	$self->_save;
		2446	}
		2447
2132	sub swap_out {	2448	sub swap_out {
2133	my ($self) = @_;	2449	my ($self) = @_;
2134		2450
2135	# save first because save cedes
2136	$self->save;
2137
2138	my $lock = cf::lock_acquire "map_data:$self->{path}";	2451	my $lock = cf::lock_acquire "map_data:$self->{path}";
2139		2452
		2453	return if !$self->linkable;
		2454	return if $self->{deny_save};
2140	return if $self->players;	2455	return if $self->players;
2141	return if $self->in_memory != cf::MAP_IN_MEMORY;	2456
		2457	# first deactivate the map and "unlink" it from the core
		2458	$self->deactivate;
		2459	$_->clear_links_to ($self) for values %cf::MAP;
		2460	$self->state (cf::MAP_SWAPPED);
		2461
		2462	# then atomically save
		2463	$self->_save;
		2464
		2465	# then free the map
		2466	$self->clear;
		2467	}
		2468
		2469	sub reset_at {
		2470	my ($self) = @_;
		2471
		2472	# TODO: safety, remove and allow resettable per-player maps
2142	return if $self->{deny_save};	2473	return 1e99 if $self->{deny_reset};
2143		2474
		2475	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2476	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2477
		2478	$time + $to
		2479	}
		2480
		2481	sub should_reset {
		2482	my ($self) = @_;
		2483
		2484	$self->reset_at <= $cf::RUNTIME
		2485	}
		2486
		2487	sub reset {
		2488	my ($self) = @_;
		2489
		2490	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2491
		2492	return if $self->players;
		2493
		2494	cf::trace "resetting map ", $self->path, "\n";
		2495
2144	$self->in_memory (cf::MAP_SWAPPED);	2496	$self->state (cf::MAP_SWAPPED);
		2497
		2498	# need to save uniques path
		2499	unless ($self->{deny_save}) {
		2500	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2501
		2502	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2503	if $uniq;
		2504	}
		2505
		2506	delete $cf::MAP{$self->path};
2145		2507
2146	$self->deactivate;	2508	$self->deactivate;
2147	$_->clear_links_to ($self) for values %cf::MAP;	2509	$_->clear_links_to ($self) for values %cf::MAP;
2148	$self->clear;	2510	$self->clear;
2149	}
2150
2151	sub reset_at {
2152	my ($self) = @_;
2153
2154	# TODO: safety, remove and allow resettable per-player maps
2155	return 1e99 if $self->{deny_reset};
2156
2157	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2158	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2159
2160	$time + $to
2161	}
2162
2163	sub should_reset {
2164	my ($self) = @_;
2165
2166	$self->reset_at <= $cf::RUNTIME
2167	}
2168
2169	sub reset {
2170	my ($self) = @_;
2171
2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
2173
2174	return if $self->players;
2175
2176	warn "resetting map ", $self->path;
2177
2178	$self->in_memory (cf::MAP_SWAPPED);
2179
2180	# need to save uniques path
2181	unless ($self->{deny_save}) {
2182	my $uniq = $self->uniq_path; utf8::encode $uniq;
2183
2184	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2185	if $uniq;
2186	}
2187
2188	delete $cf::MAP{$self->path};
2189
2190	$self->deactivate;
2191	$_->clear_links_to ($self) for values %cf::MAP;
2192	$self->clear;
2193		2511
2194	$self->unlink_save;	2512	$self->unlink_save;
2195	$self->destroy;	2513	$self->destroy;
2196	}	2514	}
2197		2515
…		…
2205		2523
2206	delete $cf::MAP{$self->path};	2524	delete $cf::MAP{$self->path};
2207		2525
2208	$self->unlink_save;	2526	$self->unlink_save;
2209		2527
2210	bless $self, "cf::map";	2528	bless $self, "cf::map::wrap";
2211	delete $self->{deny_reset};	2529	delete $self->{deny_reset};
2212	$self->{deny_save} = 1;	2530	$self->{deny_save} = 1;
2213	$self->reset_timeout (1);	2531	$self->reset_timeout (1);
2214	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2532	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2215		2533
…		…
2264		2582
2265	sub unique_maps() {	2583	sub unique_maps() {
2266	[	2584	[
2267	map {	2585	map {
2268	utf8::decode $_;	2586	utf8::decode $_;
2269	/\.map$/	2587	s/\.map$//; # TODO future compatibility hack
		2588	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2589	? ()
2270	? normalise $_	2590	: normalise $_
2271	: ()
2272	} @{ aio_readdir $UNIQUEDIR or [] }	2591	} @{ aio_readdir $UNIQUEDIR or [] }
2273	]	2592	]
2274	}	2593	}
2275		2594
2276	package cf;	2595	=item cf::map::static_maps
		2596
		2597	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2598	file in the shared directory excluding F</styles> and F</editor>). May
		2599	block.
		2600
		2601	=cut
		2602
		2603	sub static_maps() {
		2604	my @dirs = "";
		2605	my @maps;
		2606
		2607	while (@dirs) {
		2608	my $dir = shift @dirs;
		2609
		2610	next if $dir eq "/styles" || $dir eq "/editor";
		2611
		2612	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2613	or return;
		2614
		2615	for (@$files) {
		2616	s/\.map$// or next;
		2617	utf8::decode $_;
		2618	push @maps, "$dir/$_";
		2619	}
		2620
		2621	push @dirs, map "$dir/$_", @$dirs;
		2622	}
		2623
		2624	\@maps
		2625	}
2277		2626
2278	=back	2627	=back
2279		2628
2280	=head3 cf::object	2629	=head3 cf::object
2281		2630
…		…
2285		2634
2286	=over 4	2635	=over 4
2287		2636
2288	=item $ob->inv_recursive	2637	=item $ob->inv_recursive
2289		2638
2290	Returns the inventory of the object _and_ their inventories, recursively.	2639	Returns the inventory of the object I<and> their inventories, recursively,
		2640	but I<not> the object itself.
2291		2641
2292	=cut	2642	=cut
2293		2643
2294	sub inv_recursive_;	2644	sub inv_recursive_;
2295	sub inv_recursive_ {	2645	sub inv_recursive_ {
…		…
2300	inv_recursive_ inv $_[0]	2650	inv_recursive_ inv $_[0]
2301	}	2651	}
2302		2652
2303	=item $ref = $ob->ref	2653	=item $ref = $ob->ref
2304		2654
2305	creates and returns a persistent reference to an objetc that can be stored as a string.	2655	Creates and returns a persistent reference to an object that can be stored as a string.
2306		2656
2307	=item $ob = cf::object::deref ($refstring)	2657	=item $ob = cf::object::deref ($refstring)
2308		2658
2309	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2659	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2310	even if the object actually exists. May block.	2660	even if the object actually exists. May block.
…		…
2342	can be C<undef>. Does the right thing when the player is currently in a	2692	can be C<undef>. Does the right thing when the player is currently in a
2343	dialogue with the given NPC character.	2693	dialogue with the given NPC character.
2344		2694
2345	=cut	2695	=cut
2346		2696
		2697	our $SAY_CHANNEL = {
		2698	id => "say",
		2699	title => "Map",
		2700	reply => "say ",
		2701	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2702	};
		2703
		2704	our $CHAT_CHANNEL = {
		2705	id => "chat",
		2706	title => "Chat",
		2707	reply => "chat ",
		2708	tooltip => "Player chat and shouts, global to the server.",
		2709	};
		2710
2347	# rough implementation of a future "reply" method that works	2711	# rough implementation of a future "reply" method that works
2348	# with dialog boxes.	2712	# with dialog boxes.
2349	#TODO: the first argument must go, split into a $npc->reply_to ( method	2713	#TODO: the first argument must go, split into a $npc->reply_to ( method
2350	sub cf::object::player::reply($$$;$) {	2714	sub cf::object::player::reply($$$;$) {
2351	my ($self, $npc, $msg, $flags) = @_;	2715	my ($self, $npc, $msg, $flags) = @_;
…		…
2362	my $dialog = $pl->{npc_dialog};	2726	my $dialog = $pl->{npc_dialog};
2363	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2727	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2364		2728
2365	} else {	2729	} else {
2366	$msg = $npc->name . " says: $msg" if $npc;	2730	$msg = $npc->name . " says: $msg" if $npc;
2367	$self->message ($msg, $flags);	2731	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2368	}	2732	}
2369	}	2733	}
2370	}	2734	}
2371		2735
2372	=item $object->send_msg ($channel, $msg, $color, [extra...])	2736	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2397		2761
2398	=item $player_object->enter_link	2762	=item $player_object->enter_link
2399		2763
2400	Freezes the player and moves him/her to a special map (C<{link}>).	2764	Freezes the player and moves him/her to a special map (C<{link}>).
2401		2765
2402	The player should be reasonably safe there for short amounts of time. You	2766	The player should be reasonably safe there for short amounts of time (e.g.
2403	I<MUST> call C<leave_link> as soon as possible, though.	2767	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2768	though, as the player cannot control the character while it is on the link
		2769	map.
2404		2770
2405	Will never block.	2771	Will never block.
2406		2772
2407	=item $player_object->leave_link ($map, $x, $y)	2773	=item $player_object->leave_link ($map, $x, $y)
2408		2774
…		…
2428	sub cf::object::player::enter_link {	2794	sub cf::object::player::enter_link {
2429	my ($self) = @_;	2795	my ($self) = @_;
2430		2796
2431	$self->deactivate_recursive;	2797	$self->deactivate_recursive;
2432		2798
		2799	++$self->{_link_recursion};
		2800
2433	return if UNIVERSAL::isa $self->map, "ext::map_link";	2801	return if UNIVERSAL::isa $self->map, "ext::map_link";
2434		2802
2435	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2803	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2436	if $self->map && $self->map->{path} ne "{link}";	2804	if $self->map && $self->map->{path} ne "{link}";
2437		2805
2438	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2806	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2439	}	2807	}
2440		2808
2441	sub cf::object::player::leave_link {	2809	sub cf::object::player::leave_link {
2442	my ($self, $map, $x, $y) = @_;	2810	my ($self, $map, $x, $y) = @_;
2443		2811
…		…
2460	($x, $y) = (-1, -1)	2828	($x, $y) = (-1, -1)
2461	unless (defined $x) && (defined $y);	2829	unless (defined $x) && (defined $y);
2462		2830
2463	# use -1 or undef as default coordinates, not 0, 0	2831	# use -1 or undef as default coordinates, not 0, 0
2464	($x, $y) = ($map->enter_x, $map->enter_y)	2832	($x, $y) = ($map->enter_x, $map->enter_y)
2465	if $x <=0 && $y <= 0;	2833	if $x <= 0 && $y <= 0;
2466		2834
2467	$map->load;	2835	$map->load;
2468	$map->load_neighbours;
2469		2836
2470	return unless $self->contr->active;	2837	return unless $self->contr->active;
2471	$self->activate_recursive;
2472		2838
2473	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2839	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2474	$self->enter_map ($map, $x, $y);	2840	if ($self->enter_map ($map, $x, $y)) {
2475	}	2841	# entering was successful
		2842	delete $self->{_link_recursion};
		2843	# only activate afterwards, to support waiting in hooks
		2844	$self->activate_recursive;
		2845	}
2476		2846
		2847	}
		2848
2477	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2849	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2478		2850
2479	Moves the player to the given map-path and coordinates by first freezing	2851	Moves the player to the given map-path and coordinates by first freezing
2480	her, loading and preparing them map, calling the provided $check callback	2852	her, loading and preparing them map, calling the provided $check callback
2481	that has to return the map if sucecssful, and then unfreezes the player on	2853	that has to return the map if sucecssful, and then unfreezes the player on
2482	the new (success) or old (failed) map position. In either case, $done will	2854	the new (success) or old (failed) map position. In either case, $done will
2483	be called at the end of this process.	2855	be called at the end of this process.
2484		2856
		2857	Note that $check will be called with a potentially non-loaded map, so if
		2858	it needs a loaded map it has to call C<< ->load >>.
		2859
2485	=cut	2860	=cut
2486		2861
2487	our $GOTOGEN;	2862	our $GOTOGEN;
2488		2863
2489	sub cf::object::player::goto {	2864	sub cf::object::player::goto {
2490	my ($self, $path, $x, $y, $check, $done) = @_;	2865	my ($self, $path, $x, $y, $check, $done) = @_;
		2866
		2867	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2868	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2869	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2870	($path, $x, $y) = @$EMERGENCY_POSITION;
		2871	}
2491		2872
2492	# do generation counting so two concurrent goto's will be executed in-order	2873	# do generation counting so two concurrent goto's will be executed in-order
2493	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2874	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2494		2875
2495	$self->enter_link;	2876	$self->enter_link;
…		…
2515	($path, $x, $y) = (undef, undef, undef);	2896	($path, $x, $y) = (undef, undef, undef);
2516	}	2897	}
2517	}	2898	}
2518		2899
2519	my $map = eval {	2900	my $map = eval {
2520	my $map = defined $path ? cf::map::find $path : undef;	2901	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2521		2902
2522	if ($map) {	2903	if ($map) {
2523	$map = $map->customise_for ($self);	2904	$map = $map->customise_for ($self);
2524	$map = $check->($map) if $check && $map;	2905	$map = $check->($map, $x, $y, $self) if $check && $map;
2525	} else {	2906	} else {
2526	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2907	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2527	}	2908	}
2528		2909
2529	$map	2910	$map
…		…
2537	if ($gen == $self->{_goto_generation}) {	2918	if ($gen == $self->{_goto_generation}) {
2538	delete $self->{_goto_generation};	2919	delete $self->{_goto_generation};
2539	$self->leave_link ($map, $x, $y);	2920	$self->leave_link ($map, $x, $y);
2540	}	2921	}
2541		2922
2542	$done->() if $done;	2923	$done->($self) if $done;
2543	})->prio (1);	2924	})->prio (1);
2544	}	2925	}
2545		2926
2546	=item $player_object->enter_exit ($exit_object)	2927	=item $player_object->enter_exit ($exit_object)
2547		2928
…		…
2567	}	2948	}
2568		2949
2569	sub prepare_random_map {	2950	sub prepare_random_map {
2570	my ($exit) = @_;	2951	my ($exit) = @_;
2571		2952
2572	my $guard = cf::lock_acquire "exit_prepare:$exit";
2573
2574	# all this does is basically replace the /! path by	2953	# all this does is basically replace the /! path by
2575	# a new random map path (?random/...) with a seed	2954	# a new random map path (?random/...) with a seed
2576	# that depends on the exit object	2955	# that depends on the exit object
2577		2956
2578	my $rmp = parse_random_map_params $exit->msg;	2957	my $rmp = parse_random_map_params $exit->msg;
…		…
2580	if ($exit->map) {	2959	if ($exit->map) {
2581	$rmp->{region} = $exit->region->name;	2960	$rmp->{region} = $exit->region->name;
2582	$rmp->{origin_map} = $exit->map->path;	2961	$rmp->{origin_map} = $exit->map->path;
2583	$rmp->{origin_x} = $exit->x;	2962	$rmp->{origin_x} = $exit->x;
2584	$rmp->{origin_y} = $exit->y;	2963	$rmp->{origin_y} = $exit->y;
		2964
		2965	$exit->map->touch;
2585	}	2966	}
2586		2967
2587	$rmp->{random_seed} ||= $exit->random_seed;	2968	$rmp->{random_seed} ||= $exit->random_seed;
2588		2969
2589	my $data = cf::to_json $rmp;	2970	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2590	my $md5 = Digest::MD5::md5_hex $data;	2971	my $md5 = Digest::MD5::md5_hex $data;
2591	my $meta = "$RANDOMDIR/$md5.meta";	2972	my $meta = "$RANDOMDIR/$md5.meta";
2592		2973
2593	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2974	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2594	aio_write $fh, 0, (length $data), $data, 0;	2975	aio_write $fh, 0, (length $data), $data, 0;
2595	undef $fh;	2976	undef $fh;
2596	aio_rename "$meta~", $meta;	2977	aio_rename "$meta~", $meta;
2597		2978
		2979	my $slaying = "?random/$md5";
		2980
		2981	if ($exit->valid) {
2598	$exit->slaying ("?random/$md5");	2982	$exit->slaying ("?random/$md5");
2599	$exit->msg (undef);	2983	$exit->msg (undef);
		2984	}
2600	}	2985	}
2601	}	2986	}
2602		2987
2603	sub cf::object::player::enter_exit {	2988	sub cf::object::player::enter_exit {
2604	my ($self, $exit) = @_;	2989	my ($self, $exit) = @_;
2605		2990
2606	return unless $self->type == cf::PLAYER;	2991	return unless $self->type == cf::PLAYER;
2607		2992
2608	if ($exit->slaying eq "/!") {
2609	#TODO: this should de-fi-ni-te-ly not be a sync-job
2610	# the problem is that $exit might not survive long enough
2611	# so it needs to be done right now, right here
2612	cf::sync_job { prepare_random_map $exit };
2613	}
2614
2615	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2616	my $hp = $exit->stats->hp;
2617	my $sp = $exit->stats->sp;
2618
2619	$self->enter_link;	2993	$self->enter_link;
2620		2994
2621	# if exit is damned, update players death & WoR home-position
2622	$self->contr->savebed ($slaying, $hp, $sp)
2623	if $exit->flag (FLAG_DAMNED);
2624
2625	(async {	2995	(async {
2626	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2996	$Coro::current->{desc} = "enter_exit";
2627		2997
2628	$self->deactivate_recursive; # just to be sure
2629	unless (eval {	2998	unless (eval {
		2999	$self->deactivate_recursive; # just to be sure
		3000
		3001	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3002	my $x = $exit->stats->hp;
		3003	my $y = $exit->stats->sp;
		3004
		3005	# special map handling
		3006	my $slaying = $exit->slaying;
		3007
		3008	# special map handling
		3009	if ($slaying eq "/!") {
		3010	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3011
		3012	prepare_random_map $exit
		3013	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3014
		3015	$map = $exit->slaying;
		3016
		3017	} elsif ($slaying eq '!up') {
		3018	$map = $exit->map->tile_path (cf::TILE_UP);
		3019	$x = $exit->x;
		3020	$y = $exit->y;
		3021
		3022	} elsif ($slaying eq '!down') {
		3023	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3024	$x = $exit->x;
		3025	$y = $exit->y;
		3026	}
		3027
2630	$self->goto ($slaying, $hp, $sp);	3028	$self->goto ($map, $x, $y);
2631		3029
		3030	# if exit is damned, update players death & WoR home-position
		3031	$self->contr->savebed ($map, $x, $y)
		3032	if $exit->flag (cf::FLAG_DAMNED);
		3033
2632	1;	3034	1
2633	}) {	3035	}) {
2634	$self->message ("Something went wrong deep within the crossfire server. "	3036	$self->message ("Something went wrong deep within the deliantra server. "
2635	. "I'll try to bring you back to the map you were before. "	3037	. "I'll try to bring you back to the map you were before. "
2636	. "Please report this to the dungeon master!",	3038	. "Please report this to the dungeon master!",
2637	cf::NDI_UNIQUE | cf::NDI_RED);	3039	cf::NDI_UNIQUE | cf::NDI_RED);
2638		3040
2639	warn "ERROR in enter_exit: $@";	3041	error "ERROR in enter_exit: $@";
2640	$self->leave_link;	3042	$self->leave_link;
2641	}	3043	}
2642	})->prio (1);	3044	})->prio (1);
2643	}	3045	}
2644		3046
…		…
2656	sub cf::client::send_drawinfo {	3058	sub cf::client::send_drawinfo {
2657	my ($self, $text, $flags) = @_;	3059	my ($self, $text, $flags) = @_;
2658		3060
2659	utf8::encode $text;	3061	utf8::encode $text;
2660	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3062	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3063	}
		3064
		3065	=item $client->send_big_packet ($pkt)
		3066
		3067	Like C<send_packet>, but tries to compress large packets, and fragments
		3068	them as required.
		3069
		3070	=cut
		3071
		3072	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3073
		3074	sub cf::client::send_big_packet {
		3075	my ($self, $pkt) = @_;
		3076
		3077	# try lzf for large packets
		3078	$pkt = "lzf " . Compress::LZF::compress $pkt
		3079	if 1024 <= length $pkt and $self->{can_lzf};
		3080
		3081	# split very large packets
		3082	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3083	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3084	$pkt = "frag";
		3085	}
		3086
		3087	$self->send_packet ($pkt);
2661	}	3088	}
2662		3089
2663	=item $client->send_msg ($channel, $msg, $color, [extra...])	3090	=item $client->send_msg ($channel, $msg, $color, [extra...])
2664		3091
2665	Send a drawinfo or msg packet to the client, formatting the msg for the	3092	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2667	the message, with C<log> being the default. If C<$color> is negative, suppress	3094	the message, with C<log> being the default. If C<$color> is negative, suppress
2668	the message unless the client supports the msg packet.	3095	the message unless the client supports the msg packet.
2669		3096
2670	=cut	3097	=cut
2671		3098
		3099	# non-persistent channels (usually the info channel)
2672	our %CHANNEL = (	3100	our %CHANNEL = (
		3101	"c/motd" => {
		3102	id => "infobox",
		3103	title => "MOTD",
		3104	reply => undef,
		3105	tooltip => "The message of the day",
		3106	},
2673	"c/identify" => {	3107	"c/identify" => {
2674	id => "infobox",	3108	id => "infobox",
2675	title => "Identify",	3109	title => "Identify",
2676	reply => undef,	3110	reply => undef,
2677	tooltip => "Items recently identified",	3111	tooltip => "Items recently identified",
…		…
2680	id => "infobox",	3114	id => "infobox",
2681	title => "Examine",	3115	title => "Examine",
2682	reply => undef,	3116	reply => undef,
2683	tooltip => "Signs and other items you examined",	3117	tooltip => "Signs and other items you examined",
2684	},	3118	},
		3119	"c/shopinfo" => {
		3120	id => "infobox",
		3121	title => "Shop Info",
		3122	reply => undef,
		3123	tooltip => "What your bargaining skill tells you about the shop",
		3124	},
		3125	"c/book" => {
		3126	id => "infobox",
		3127	title => "Book",
		3128	reply => undef,
		3129	tooltip => "The contents of a note or book",
		3130	},
2685	"c/lookat" => {	3131	"c/lookat" => {
2686	id => "infobox",	3132	id => "infobox",
2687	title => "Look",	3133	title => "Look",
2688	reply => undef,	3134	reply => undef,
2689	tooltip => "What you saw there",	3135	tooltip => "What you saw there",
2690	},	3136	},
		3137	"c/who" => {
		3138	id => "infobox",
		3139	title => "Players",
		3140	reply => undef,
		3141	tooltip => "Shows players who are currently online",
		3142	},
		3143	"c/body" => {
		3144	id => "infobox",
		3145	title => "Body Parts",
		3146	reply => undef,
		3147	tooltip => "Shows which body parts you posess and are available",
		3148	},
		3149	"c/statistics" => {
		3150	id => "infobox",
		3151	title => "Statistics",
		3152	reply => undef,
		3153	tooltip => "Shows your primary statistics",
		3154	},
		3155	"c/skills" => {
		3156	id => "infobox",
		3157	title => "Skills",
		3158	reply => undef,
		3159	tooltip => "Shows your experience per skill and item power",
		3160	},
		3161	"c/shopitems" => {
		3162	id => "infobox",
		3163	title => "Shop Items",
		3164	reply => undef,
		3165	tooltip => "Shows the items currently for sale in this shop",
		3166	},
		3167	"c/resistances" => {
		3168	id => "infobox",
		3169	title => "Resistances",
		3170	reply => undef,
		3171	tooltip => "Shows your resistances",
		3172	},
		3173	"c/pets" => {
		3174	id => "infobox",
		3175	title => "Pets",
		3176	reply => undef,
		3177	tooltip => "Shows information abotu your pets/a specific pet",
		3178	},
		3179	"c/perceiveself" => {
		3180	id => "infobox",
		3181	title => "Perceive Self",
		3182	reply => undef,
		3183	tooltip => "You gained detailed knowledge about yourself",
		3184	},
		3185	"c/uptime" => {
		3186	id => "infobox",
		3187	title => "Uptime",
		3188	reply => undef,
		3189	tooltip => "How long the server has been running since last restart",
		3190	},
		3191	"c/mapinfo" => {
		3192	id => "infobox",
		3193	title => "Map Info",
		3194	reply => undef,
		3195	tooltip => "Information related to the maps",
		3196	},
		3197	"c/party" => {
		3198	id => "party",
		3199	title => "Party",
		3200	reply => "gsay ",
		3201	tooltip => "Messages and chat related to your party",
		3202	},
		3203	"c/death" => {
		3204	id => "death",
		3205	title => "Death",
		3206	reply => undef,
		3207	tooltip => "Reason for and more info about your most recent death",
		3208	},
		3209	"c/say" => $SAY_CHANNEL,
		3210	"c/chat" => $CHAT_CHANNEL,
2691	);	3211	);
2692		3212
2693	sub cf::client::send_msg {	3213	sub cf::client::send_msg {
2694	my ($self, $channel, $msg, $color, @extra) = @_;	3214	my ($self, $channel, $msg, $color, @extra) = @_;
2695		3215
2696	$msg = $self->pl->expand_cfpod ($msg);	3216	$msg = $self->pl->expand_cfpod ($msg)
		3217	unless $color & cf::NDI_VERBATIM;
2697		3218
2698	$color &= cf::NDI_CLIENT_MASK; # just in case...	3219	$color &= cf::NDI_CLIENT_MASK; # just in case...
2699		3220
2700	# check predefined channels, for the benefit of C	3221	# check predefined channels, for the benefit of C
2701	if ($CHANNEL{$channel}) {	3222	if ($CHANNEL{$channel}) {
2702	$channel = $CHANNEL{$channel};	3223	$channel = $CHANNEL{$channel};
2703		3224
2704	$self->ext_msg (channel_info => $channel)	3225	$self->ext_msg (channel_info => $channel);
2705	if $self->can_msg;
2706
2707	$channel = $channel->{id};	3226	$channel = $channel->{id};
2708		3227
2709	} elsif (ref $channel) {	3228	} elsif (ref $channel) {
2710	# send meta info to client, if not yet sent	3229	# send meta info to client, if not yet sent
2711	unless (exists $self->{channel}{$channel->{id}}) {	3230	unless (exists $self->{channel}{$channel->{id}}) {
2712	$self->{channel}{$channel->{id}} = $channel;	3231	$self->{channel}{$channel->{id}} = $channel;
2713	$self->ext_msg (channel_info => $channel)	3232	$self->ext_msg (channel_info => $channel);
2714	if $self->can_msg;
2715	}	3233	}
2716		3234
2717	$channel = $channel->{id};	3235	$channel = $channel->{id};
2718	}	3236	}
2719		3237
2720	return unless @extra || length $msg;	3238	return unless @extra || length $msg;
2721		3239
2722	if ($self->can_msg) {
2723	# default colour, mask it out	3240	# default colour, mask it out
2724	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3241	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2725	if $color & cf::NDI_DEF;	3242	if $color & cf::NDI_DEF;
2726		3243
2727	$self->send_packet ("msg " . $self->{json_coder}->encode (	3244	my $pkt = "msg "
		3245	. $self->{json_coder}->encode (
2728	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3246	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2729	} else {	3247	);
2730	if ($color >= 0) {
2731	# replace some tags by gcfclient-compatible ones
2732	for ($msg) {
2733	1 while
2734	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2735	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2736	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2737	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2738	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2739	}
2740		3248
2741	$color &= cf::NDI_COLOR_MASK;	3249	$self->send_big_packet ($pkt);
2742
2743	utf8::encode $msg;
2744
2745	if (0 && $msg =~ /\[/) {
2746	# COMMAND/INFO
2747	$self->send_packet ("drawextinfo $color 10 8 $msg")
2748	} else {
2749	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2750	$self->send_packet ("drawinfo $color $msg")
2751	}
2752	}
2753	}
2754	}	3250	}
2755		3251
2756	=item $client->ext_msg ($type, @msg)	3252	=item $client->ext_msg ($type, @msg)
2757		3253
2758	Sends an ext event to the client.	3254	Sends an ext event to the client.
…		…
2760	=cut	3256	=cut
2761		3257
2762	sub cf::client::ext_msg($$@) {	3258	sub cf::client::ext_msg($$@) {
2763	my ($self, $type, @msg) = @_;	3259	my ($self, $type, @msg) = @_;
2764		3260
2765	if ($self->extcmd == 2) {
2766	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3261	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2767	} elsif ($self->extcmd == 1) { # TODO: remove
2768	push @msg, msgtype => "event_$type";
2769	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2770	}
2771	}
2772
2773	=item $client->ext_reply ($msgid, @msg)
2774
2775	Sends an ext reply to the client.
2776
2777	=cut
2778
2779	sub cf::client::ext_reply($$@) {
2780	my ($self, $id, @msg) = @_;
2781
2782	if ($self->extcmd == 2) {
2783	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2784	} elsif ($self->extcmd == 1) {
2785	#TODO: version 1, remove
2786	unshift @msg, msgtype => "reply", msgid => $id;
2787	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2788	}
2789	}	3262	}
2790		3263
2791	=item $success = $client->query ($flags, "text", \&cb)	3264	=item $success = $client->query ($flags, "text", \&cb)
2792		3265
2793	Queues a query to the client, calling the given callback with	3266	Queues a query to the client, calling the given callback with
…		…
2848	my ($ns, $buf) = @_;	3321	my ($ns, $buf) = @_;
2849		3322
2850	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3323	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2851		3324
2852	if (ref $msg) {	3325	if (ref $msg) {
2853	my ($type, $reply, @payload) =	3326	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2854	"ARRAY" eq ref $msg
2855	? @$msg
2856	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2857		3327
2858	my @reply;
2859
2860	if (my $cb = $EXTICMD{$type}) {	3328	if (my $cb = $EXTIACMD{$type}) {
		3329	$cb->(
		3330	$ns,
		3331	sub {
		3332	$ns->ext_msg ("reply-$reply", @_)
		3333	if $reply;
		3334	},
		3335	@payload
		3336	);
		3337	} else {
		3338	my @reply;
		3339
		3340	if (my $cb = $EXTICMD{$type}) {
2861	@reply = $cb->($ns, @payload);	3341	@reply = $cb->($ns, @payload);
		3342	}
		3343
		3344	$ns->ext_msg ("reply-$reply", @reply)
		3345	if $reply;
2862	}	3346	}
2863
2864	$ns->ext_reply ($reply, @reply)
2865	if $reply;
2866
2867	} else {	3347	} else {
2868	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3348	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2869	}	3349	}
2870		3350
2871	cf::override;	3351	cf::override;
2872	},	3352	},
2873	);	3353	);
…		…
2893		3373
2894	$coro	3374	$coro
2895	}	3375	}
2896		3376
2897	cf::client->attach (	3377	cf::client->attach (
2898	on_destroy => sub {	3378	on_client_destroy => sub {
2899	my ($ns) = @_;	3379	my ($ns) = @_;
2900		3380
2901	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3381	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2902	},	3382	},
2903	);	3383	);
…		…
2919	our $safe_hole = new Safe::Hole;	3399	our $safe_hole = new Safe::Hole;
2920		3400
2921	$SIG{FPE} = 'IGNORE';	3401	$SIG{FPE} = 'IGNORE';
2922		3402
2923	$safe->permit_only (Opcode::opset qw(	3403	$safe->permit_only (Opcode::opset qw(
2924	:base_core :base_mem :base_orig :base_math	3404	:base_core :base_mem :base_orig :base_math :base_loop
2925	grepstart grepwhile mapstart mapwhile	3405	grepstart grepwhile mapstart mapwhile
2926	sort time	3406	sort time
2927	));	3407	));
2928		3408
2929	# here we export the classes and methods available to script code	3409	# here we export the classes and methods available to script code
…		…
2932		3412
2933	The following functions and methods are available within a safe environment:	3413	The following functions and methods are available within a safe environment:
2934		3414
2935	cf::object	3415	cf::object
2936	contr pay_amount pay_player map x y force_find force_add destroy	3416	contr pay_amount pay_player map x y force_find force_add destroy
2937	insert remove name archname title slaying race decrease_ob_nr	3417	insert remove name archname title slaying race decrease split
		3418	value
2938		3419
2939	cf::object::player	3420	cf::object::player
2940	player	3421	player
2941		3422
2942	cf::player	3423	cf::player
…		…
2947		3428
2948	=cut	3429	=cut
2949		3430
2950	for (	3431	for (
2951	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3432	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2952	insert remove inv name archname title slaying race	3433	insert remove inv nrof name archname title slaying race
2953	decrease_ob_nr destroy)],	3434	decrease split destroy change_exp value msg lore send_msg)],
2954	["cf::object::player" => qw(player)],	3435	["cf::object::player" => qw(player)],
2955	["cf::player" => qw(peaceful)],	3436	["cf::player" => qw(peaceful send_msg)],
2956	["cf::map" => qw(trigger)],	3437	["cf::map" => qw(trigger)],
2957	) {	3438	) {
2958	no strict 'refs';
2959	my ($pkg, @funs) = @$_;	3439	my ($pkg, @funs) = @$_;
2960	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3440	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2961	for @funs;	3441	for @funs;
2962	}	3442	}
2963		3443
…		…
2978		3458
2979	my $qcode = $code;	3459	my $qcode = $code;
2980	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3460	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2981	$qcode =~ s/\n/\\n/g;	3461	$qcode =~ s/\n/\\n/g;
2982		3462
		3463	%vars = (_dummy => 0) unless %vars;
		3464
		3465	my @res;
2983	local $_;	3466	local $_;
2984	local @safe::cf::_safe_eval_args = values %vars;
2985		3467
2986	my $eval =	3468	my $eval =
2987	"do {\n"	3469	"do {\n"
2988	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3470	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2989	. "#line 0 \"{$qcode}\"\n"	3471	. "#line 0 \"{$qcode}\"\n"
2990	. $code	3472	. $code
2991	. "\n}"	3473	. "\n}"
2992	;	3474	;
2993		3475
		3476	if ($CFG{safe_eval}) {
2994	sub_generation_inc;	3477	sub_generation_inc;
		3478	local @safe::cf::_safe_eval_args = values %vars;
2995	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3479	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2996	sub_generation_inc;	3480	sub_generation_inc;
		3481	} else {
		3482	local @cf::_safe_eval_args = values %vars;
		3483	@res = wantarray ? eval eval : scalar eval $eval;
		3484	}
2997		3485
2998	if ($@) {	3486	if ($@) {
2999	warn "$@";	3487	warn "$@",
3000	warn "while executing safe code '$code'\n";	3488	"while executing safe code '$code'\n",
3001	warn "with arguments " . (join " ", %vars) . "\n";	3489	"with arguments " . (join " ", %vars) . "\n";
3002	}	3490	}
3003		3491
3004	wantarray ? @res : $res[0]	3492	wantarray ? @res : $res[0]
3005	}	3493	}
3006		3494
…		…
3020	=cut	3508	=cut
3021		3509
3022	sub register_script_function {	3510	sub register_script_function {
3023	my ($fun, $cb) = @_;	3511	my ($fun, $cb) = @_;
3024		3512
3025	no strict 'refs';	3513	$fun = "safe::$fun" if $CFG{safe_eval};
3026	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3514	*$fun = $safe_hole->wrap ($cb);
3027	}	3515	}
3028		3516
3029	=back	3517	=back
3030		3518
3031	=cut	3519	=cut
3032		3520
3033	#############################################################################	3521	#############################################################################
3034	# the server's init and main functions	3522	# the server's init and main functions
3035		3523
		3524	our %FACEHASH; # hash => idx, #d# HACK for http server
		3525	our @FACEDATA; # dynamically-created facedata
		3526
		3527	# internal api, not fianlised
		3528	sub set_face {
		3529	my ($name, $type, $data) = @_;
		3530
		3531	my $idx = cf::face::find $name;
		3532
		3533	if ($idx) {
		3534	delete $FACEHASH{cf::face::get_chksum $idx};
		3535	} else {
		3536	$idx = cf::face::alloc $name;
		3537	}
		3538
		3539	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3540
		3541	cf::face::set_type $idx, $type;
		3542	cf::face::set_data $idx, 0, (length $data), 0, $hash;
		3543	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3544
		3545	# we need to destroy the SV itself, not just overwrite,
		3546	# as a running ix might hold a reference to it.
		3547	# delete achieves that.
		3548	delete $FACEDATA[$idx];
		3549	$FACEDATA[$idx] = $data;
		3550	$FACEHASH{$hash} = $idx;#d#
		3551
		3552	$idx
		3553	}
		3554
		3555	our $FACEDATA; # facedata filehandle
		3556
		3557	sub _face_get_data($$$$) {
		3558	my ($idx, $size, $fofs, $cb) = @_;
		3559
		3560	if (defined $FACEDATA[$idx]) {
		3561	$cb->($FACEDATA[$idx]);
		3562	} elsif ($fofs) {
		3563	my $buf;
		3564	IO::AIO::aio_read $FACEDATA, $fofs, $size, $buf, 0, sub {
		3565	if ($_[0] == $size) {
		3566	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3567	$cb->($buf);
		3568	} else {
		3569	cf::error "INTERNAL ERROR: unable to read facedata for face $idx ($size, $fofs), ignoring request.";
		3570	}
		3571	};
		3572	} else {
		3573	cf::error "requested facedata for unknown face $idx ($size, $fofs), ignoring.";
		3574	}
		3575	}
		3576
		3577	# rather ineffient
		3578	sub cf::face::get_data($;$) {
		3579	my ($idx, $faceset) = @_;
		3580
		3581	my $size = cf::face::get_size $idx, $faceset;
		3582	my $fofs = cf::face::get_fofs $idx, $faceset;
		3583
		3584	_face_get_data $idx, $size, $fofs, Coro::rouse_cb;
		3585	Coro::rouse_wait
		3586	}
		3587
		3588	sub cf::face::ix {
		3589	my ($ns, $idx, $pri, $size, $fofs) = @_;
		3590
		3591	_face_get_data $idx, $size, $fofs, sub {
		3592	$ns->ix_send ($idx, $pri, $_[0]);
		3593	};
		3594	}
		3595
3036	sub load_facedata($) {	3596	sub load_facedata($) {
3037	my ($path) = @_;	3597	my ($path) = @_;
3038		3598
3039	# HACK to clear player env face cache, we need some signal framework
3040	# for this (global event?)
3041	%ext::player_env::MUSIC_FACE_CACHE = ();
3042
3043	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3599	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3044		3600
3045	warn "loading facedata from $path\n";	3601	trace "loading facedata from $path\n";
3046		3602
3047	my $facedata;	3603	my $facedata = decode_storable load_file "$path/faceinfo";
3048	0 < aio_load $path, $facedata
3049	or die "$path: $!";
3050
3051	$facedata = Coro::Storable::thaw $facedata;
3052		3604
3053	$facedata->{version} == 2	3605	$facedata->{version} == 2
3054	or cf::cleanup "$path: version mismatch, cannot proceed.";	3606	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
3055		3607
3056	# patch in the exptable	3608	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
3057	$facedata->{resource}{"res/exp_table"} = {	3609	or cf::cleanup "$path/facedata: $!, cnanot proceed.";
3058	type => FT_RSRC,	3610
3059	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3611	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
3060	};	3612
3061	cf::cede_to_tick;	3613	# BEGIN ATOMIC
		3614	# from here on, everything must be atomic - no thread switch allowed
		3615	my $t1 = EV::time;
3062		3616
3063	{	3617	{
3064	my $faces = $facedata->{faceinfo};	3618	my $faces = $facedata->{faceinfo};
3065		3619
3066	while (my ($face, $info) = each %$faces) {	3620	for my $face (sort keys %$faces) {
		3621	my $info = $faces->{$face};
3067	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3622	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3623
3068	cf::face::set_visibility $idx, $info->{visibility};	3624	cf::face::set_visibility $idx, $info->{visibility};
3069	cf::face::set_magicmap $idx, $info->{magicmap};	3625	cf::face::set_magicmap $idx, $info->{magicmap};
3070	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3626	cf::face::set_data $idx, 0, $info->{size32}, $info->{fofs32}, $info->{hash32};
3071	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3627	cf::face::set_data $idx, 1, $info->{size64}, $info->{fofs64}, $info->{hash64};
3072		3628	#cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph}; # glyphs no longer downloadable via ix
3073	cf::cede_to_tick;	3629	$FACEHASH{$info->{hash64}} = $idx;#d#
3074	}	3630	}
3075		3631
3076	while (my ($face, $info) = each %$faces) {	3632	while (my ($face, $info) = each %$faces) {
3077	next unless $info->{smooth};	3633	next unless $info->{smooth};
		3634
3078	my $idx = cf::face::find $face	3635	my $idx = cf::face::find $face
3079	or next;	3636	or next;
		3637
3080	if (my $smooth = cf::face::find $info->{smooth}) {	3638	if (my $smooth = cf::face::find $info->{smooth}) {
3081	cf::face::set_smooth $idx, $smooth;	3639	cf::face::set_smooth $idx, $smooth;
3082	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3640	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3083	} else {	3641	} else {
3084	warn "smooth face '$info->{smooth}' not found for face '$face'";	3642	error "smooth face '$info->{smooth}' not found for face '$face'";
3085	}	3643	}
3086
3087	cf::cede_to_tick;
3088	}	3644	}
3089	}	3645	}
3090		3646
3091	{	3647	{
3092	my $anims = $facedata->{animinfo};	3648	my $anims = $facedata->{animinfo};
3093		3649
3094	while (my ($anim, $info) = each %$anims) {	3650	while (my ($anim, $info) = each %$anims) {
3095	cf::anim::set $anim, $info->{frames}, $info->{facings};	3651	cf::anim::set $anim, $info->{frames}, $info->{facings};
3096	cf::cede_to_tick;
3097	}	3652	}
3098		3653
3099	cf::anim::invalidate_all; # d'oh	3654	cf::anim::invalidate_all; # d'oh
3100	}	3655	}
3101		3656
3102	{	3657	{
3103	# TODO: for gcfclient pleasure, we should give resources
3104	# that gcfclient doesn't grok a >10000 face index.
3105	my $res = $facedata->{resource};	3658	my $res = $facedata->{resource};
3106		3659
3107	my $soundconf = delete $res->{"res/sound.conf"};
3108
3109	while (my ($name, $info) = each %$res) {	3660	while (my ($name, $info) = each %$res) {
		3661	if (defined (my $type = $info->{type})) {
		3662	# TODO: different hash - must free and use new index, or cache ixface data queue
3110	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3663	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3111	my $data;
3112		3664
3113	if ($info->{type} & 1) {	3665	cf::face::set_type $idx, $type;
3114	# prepend meta info	3666	cf::face::set_data $idx, 0, $info->{size}, $info->{fofs}, $info->{hash};
3115		3667	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
3116	my $meta = $enc->encode ({	3668	$FACEHASH{$info->{hash}} = $idx;#d#
3117	name => $name,
3118	%{ $info->{meta} || {} },
3119	});
3120
3121	$data = pack "(w/a*)*", $meta, $info->{data};
3122	} else {	3669	} else {
3123	$data = $info->{data};	3670	# $RESOURCE{$name} = $info; # unused
3124	}	3671	}
3125
3126	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3127	cf::face::set_type $idx, $info->{type};
3128
3129	cf::cede_to_tick;
3130	}
3131
3132	if ($soundconf) {
3133	$soundconf = $enc->decode (delete $soundconf->{data});
3134
3135	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3136	my $sound = $soundconf->{compat}[$_]
3137	or next;
3138
3139	my $face = cf::face::find "sound/$sound->[1]";
3140	cf::sound::set $sound->[0] => $face;
3141	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3142	}	3672	}
3143
3144	while (my ($k, $v) = each %{$soundconf->{event}}) {
3145	my $face = cf::face::find "sound/$v";
3146	cf::sound::set $k => $face;
3147	}
3148	}
3149	}	3673	}
		3674
		3675	($fh, $FACEDATA) = ($FACEDATA, $fh);
		3676
		3677	# HACK to clear player env face cache, we need some signal framework
		3678	# for this (global event?)
		3679	%ext::player_env::MUSIC_FACE_CACHE = ();
		3680
		3681	# END ATOMIC
		3682
		3683	cf::debug "facedata atomic update time ", EV::time - $t1;
		3684
		3685	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3686
		3687	aio_close $fh if $fh; # close old facedata
3150		3688
3151	1	3689	1
3152	}	3690	}
3153		3691
3154	register_exticmd fx_want => sub {	3692	register_exticmd fx_want => sub {
…		…
3156		3694
3157	while (my ($k, $v) = each %$want) {	3695	while (my ($k, $v) = each %$want) {
3158	$ns->fx_want ($k, $v);	3696	$ns->fx_want ($k, $v);
3159	}	3697	}
3160	};	3698	};
		3699
		3700	sub load_resource_file($) {
		3701	my $guard = lock_acquire "load_resource_file";
		3702
		3703	my $status = load_resource_file_ $_[0];
		3704	get_slot 0.1, 100;
		3705	cf::arch::commit_load;
		3706
		3707	$status
		3708	}
		3709
		3710	sub reload_exp_table {
		3711	_reload_exp_table;
		3712
		3713	set_face "res/exp_table" => FT_RSRC,
		3714	JSON::XS->new->utf8->canonical->encode (
		3715	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3716	);
		3717	}
		3718
		3719	sub reload_materials {
		3720	_reload_materials;
		3721	}
3161		3722
3162	sub reload_regions {	3723	sub reload_regions {
3163	# HACK to clear player env face cache, we need some signal framework	3724	# HACK to clear player env face cache, we need some signal framework
3164	# for this (global event?)	3725	# for this (global event?)
3165	%ext::player_env::MUSIC_FACE_CACHE = ();	3726	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3172	if exists $_->{match};	3733	if exists $_->{match};
3173	}	3734	}
3174	}	3735	}
3175		3736
3176	sub reload_facedata {	3737	sub reload_facedata {
3177	load_facedata "$DATADIR/facedata"	3738	load_facedata $DATADIR
3178	or die "unable to load facedata\n";	3739	or die "unable to load facedata\n";
3179	}	3740	}
3180		3741
3181	sub reload_archetypes {	3742	sub reload_archetypes {
3182	load_resource_file "$DATADIR/archetypes"	3743	load_resource_file "$DATADIR/archetypes"
3183	or die "unable to load archetypes\n";	3744	or die "unable to load archetypes\n";
3184	#d# NEED to laod twice to resolve forward references	3745
3185	# this really needs to be done in an extra post-pass	3746	set_face "res/skill_info" => FT_RSRC,
3186	# (which needs to be synchronous, so solve it differently)	3747	JSON::XS->new->utf8->canonical->encode (
3187	load_resource_file "$DATADIR/archetypes"	3748	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
3188	or die "unable to load archetypes\n";	3749	);
		3750	set_face "res/spell_paths" => FT_RSRC,
		3751	JSON::XS->new->utf8->canonical->encode (
		3752	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3753	);
3189	}	3754	}
3190		3755
3191	sub reload_treasures {	3756	sub reload_treasures {
3192	load_resource_file "$DATADIR/treasures"	3757	load_resource_file "$DATADIR/treasures"
3193	or die "unable to load treasurelists\n";	3758	or die "unable to load treasurelists\n";
3194	}	3759	}
3195		3760
		3761	sub reload_sound {
		3762	trace "loading sound config from $DATADIR/sound\n";
		3763
		3764	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3765
		3766	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3767	my $sound = $soundconf->{compat}[$_]
		3768	or next;
		3769
		3770	my $face = cf::face::find "sound/$sound->[1]";
		3771	cf::sound::set $sound->[0] => $face;
		3772	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3773	}
		3774
		3775	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3776	my $face = cf::face::find "sound/$v";
		3777	cf::sound::set $k => $face;
		3778	}
		3779	}
		3780
3196	sub reload_resources {	3781	sub reload_resources {
3197	warn "reloading resource files...\n";	3782	trace "reloading resource files...\n";
3198		3783
		3784	reload_materials;
		3785	reload_facedata;
		3786	reload_exp_table;
		3787	reload_sound;
		3788	reload_archetypes;
3199	reload_regions;	3789	reload_regions;
3200	reload_facedata;
3201	#reload_archetypes;#d#
3202	reload_archetypes;
3203	reload_treasures;	3790	reload_treasures;
3204		3791
3205	warn "finished reloading resource files\n";	3792	trace "finished reloading resource files\n";
3206	}
3207
3208	sub init {
3209	reload_resources;
3210	}	3793	}
3211		3794
3212	sub reload_config {	3795	sub reload_config {
3213	open my $fh, "<:utf8", "$CONFDIR/config"	3796	trace "reloading config file...\n";
3214	or return;
3215		3797
3216	local $/;	3798	my $config = load_file "$CONFDIR/config";
3217	*CFG = YAML::Syck::Load <$fh>;	3799	utf8::decode $config;
		3800	*CFG = decode_yaml $config;
3218		3801
3219	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3802	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3220		3803
3221	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3804	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3222	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3805	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3223		3806
3224	if (exists $CFG{mlockall}) {	3807	if (exists $CFG{mlockall}) {
…		…
3228	};	3811	};
3229	warn $@ if $@;	3812	warn $@ if $@;
3230	}	3813	}
3231	}	3814	}
3232		3815
		3816	sub pidfile() {
		3817	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3818	or die "$PIDFILE: $!";
		3819	flock $fh, &Fcntl::LOCK_EX
		3820	or die "$PIDFILE: flock: $!";
		3821	$fh
		3822	}
		3823
		3824	# make sure only one server instance is running at any one time
		3825	sub atomic {
		3826	my $fh = pidfile;
		3827
		3828	my $pid = <$fh>;
		3829	kill 9, $pid if $pid > 0;
		3830
		3831	seek $fh, 0, 0;
		3832	print $fh $$;
		3833	}
		3834
		3835	sub main_loop {
		3836	trace "EV::loop starting\n";
		3837	if (1) {
		3838	EV::loop;
		3839	}
		3840	trace "EV::loop returned\n";
		3841	goto &main_loop unless $REALLY_UNLOOP;
		3842	}
		3843
3233	sub main {	3844	sub main {
		3845	cf::init_globals; # initialise logging
		3846
		3847	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3848	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3849	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3850	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3851
		3852	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3853
3234	# we must not ever block the main coroutine	3854	# we must not ever block the main coroutine
3235	local $Coro::idle = sub {	3855	$Coro::idle = sub {
3236	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3856	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3237	(async {	3857	(async {
3238	$Coro::current->{desc} = "IDLE BUG HANDLER";	3858	$Coro::current->{desc} = "IDLE BUG HANDLER";
3239	Event::one_event;	3859	EV::loop EV::LOOP_ONESHOT;
3240	})->prio (Coro::PRIO_MAX);	3860	})->prio (Coro::PRIO_MAX);
3241	};	3861	};
3242		3862
		3863	evthread_start IO::AIO::poll_fileno;
		3864
		3865	cf::sync_job {
		3866	cf::incloader::init ();
		3867
		3868	db_init;
		3869
		3870	cf::init_anim;
		3871	cf::init_attackmess;
		3872	cf::init_dynamic;
		3873
		3874	cf::load_settings;
		3875
		3876	reload_resources;
3243	reload_config;	3877	reload_config;
3244	db_init;	3878
		3879	cf::init_uuid;
		3880	cf::init_signals;
		3881	cf::init_skills;
		3882
		3883	cf::init_beforeplay;
		3884
		3885	atomic;
		3886
3245	load_extensions;	3887	load_extensions;
3246		3888
3247	$TICK_WATCHER->start;	3889	utime time, time, $RUNTIMEFILE;
3248	Event::loop;	3890
		3891	# no (long-running) fork's whatsoever before this point(!)
		3892	use POSIX ();
		3893	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3894
		3895	cf::_post_init 0;
		3896	};
		3897
		3898	cf::object::thawer::errors_are_fatal 0;
		3899	info "parse errors in files are no longer fatal from this point on.\n";
		3900
		3901	AE::postpone {
		3902	undef &main; # free gobs of memory :)
		3903	};
		3904
		3905	goto &main_loop;
3249	}	3906	}
3250		3907
3251	#############################################################################	3908	#############################################################################
3252	# initialisation and cleanup	3909	# initialisation and cleanup
3253		3910
3254	# install some emergency cleanup handlers	3911	# install some emergency cleanup handlers
3255	BEGIN {	3912	BEGIN {
		3913	our %SIGWATCHER = ();
3256	for my $signal (qw(INT HUP TERM)) {	3914	for my $signal (qw(INT HUP TERM)) {
3257	Event->signal (	3915	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3258	reentrant => 0,
3259	data => WF_AUTOCANCEL,
3260	signal => $signal,
3261	prio => 0,
3262	cb => sub {
3263	cf::cleanup "SIG$signal";	3916	cf::cleanup "SIG$signal";
3264	},
3265	);	3917	};
3266	}	3918	}
3267	}	3919	}
3268		3920
3269	sub write_runtime {	3921	sub write_runtime_sync {
3270	my $runtime = "$LOCALDIR/runtime";	3922	my $t0 = AE::time;
3271		3923
3272	# first touch the runtime file to show we are still running:	3924	# first touch the runtime file to show we are still running:
3273	# the fsync below can take a very very long time.	3925	# the fsync below can take a very very long time.
3274		3926
3275	IO::AIO::aio_utime $runtime, undef, undef;	3927	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3276		3928
3277	my $guard = cf::lock_acquire "write_runtime";	3929	my $guard = cf::lock_acquire "write_runtime";
3278		3930
3279	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3931	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3280	or return;	3932	or return;
3281		3933
3282	my $value = $cf::RUNTIME + 90 + 10;	3934	my $value = $cf::RUNTIME + 90 + 10;
3283	# 10 is the runtime save interval, for a monotonic clock	3935	# 10 is the runtime save interval, for a monotonic clock
3284	# 60 allows for the watchdog to kill the server.	3936	# 60 allows for the watchdog to kill the server.
…		…
3294	aio_utime $fh, undef, undef;	3946	aio_utime $fh, undef, undef;
3295		3947
3296	close $fh	3948	close $fh
3297	or return;	3949	or return;
3298		3950
3299	aio_rename "$runtime~", $runtime	3951	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3300	and return;	3952	and return;
3301		3953
3302	warn "runtime file written.\n";	3954	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3303		3955
3304	1	3956	1
		3957	}
		3958
		3959	our $uuid_lock;
		3960	our $uuid_skip;
		3961
		3962	sub write_uuid_sync($) {
		3963	$uuid_skip ||= $_[0];
		3964
		3965	return if $uuid_lock;
		3966	local $uuid_lock = 1;
		3967
		3968	my $uuid = "$LOCALDIR/uuid";
		3969
		3970	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3971	or return;
		3972
		3973	my $value = uuid_seq uuid_cur;
		3974
		3975	unless ($value) {
		3976	info "cowardly refusing to write zero uuid value!\n";
		3977	return;
		3978	}
		3979
		3980	my $value = uuid_str $value + $uuid_skip;
		3981	$uuid_skip = 0;
		3982
		3983	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3984	and return;
		3985
		3986	# always fsync - this file is important
		3987	aio_fsync $fh
		3988	and return;
		3989
		3990	close $fh
		3991	or return;
		3992
		3993	aio_rename "$uuid~", $uuid
		3994	and return;
		3995
		3996	trace "uuid file written ($value).\n";
		3997
		3998	1
		3999
		4000	}
		4001
		4002	sub write_uuid($$) {
		4003	my ($skip, $sync) = @_;
		4004
		4005	$sync ? write_uuid_sync $skip
		4006	: async { write_uuid_sync $skip };
3305	}	4007	}
3306		4008
3307	sub emergency_save() {	4009	sub emergency_save() {
3308	my $freeze_guard = cf::freeze_mainloop;	4010	my $freeze_guard = cf::freeze_mainloop;
3309		4011
3310	warn "enter emergency perl save\n";	4012	info "emergency_perl_save: enter\n";
		4013
		4014	# this is a trade-off: we want to be very quick here, so
		4015	# save all maps without fsync, and later call a global sync
		4016	# (which in turn might be very very slow)
		4017	local $USE_FSYNC = 0;
3311		4018
3312	cf::sync_job {	4019	cf::sync_job {
		4020	cf::write_runtime_sync; # external watchdog should not bark
		4021
3313	# use a peculiar iteration method to avoid tripping on perl	4022	# use a peculiar iteration method to avoid tripping on perl
3314	# refcount bugs in for. also avoids problems with players	4023	# refcount bugs in for. also avoids problems with players
3315	# and maps saved/destroyed asynchronously.	4024	# and maps saved/destroyed asynchronously.
3316	warn "begin emergency player save\n";	4025	info "emergency_perl_save: begin player save\n";
3317	for my $login (keys %cf::PLAYER) {	4026	for my $login (keys %cf::PLAYER) {
3318	my $pl = $cf::PLAYER{$login} or next;	4027	my $pl = $cf::PLAYER{$login} or next;
3319	$pl->valid or next;	4028	$pl->valid or next;
3320	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	4029	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3321	$pl->save;	4030	$pl->save;
3322	}	4031	}
3323	warn "end emergency player save\n";	4032	info "emergency_perl_save: end player save\n";
3324		4033
3325	warn "begin emergency map save\n";	4034	cf::write_runtime_sync; # external watchdog should not bark
		4035
		4036	info "emergency_perl_save: begin map save\n";
3326	for my $path (keys %cf::MAP) {	4037	for my $path (keys %cf::MAP) {
3327	my $map = $cf::MAP{$path} or next;	4038	my $map = $cf::MAP{$path} or next;
3328	$map->valid or next;	4039	$map->valid or next;
3329	$map->save;	4040	$map->save;
3330	}	4041	}
3331	warn "end emergency map save\n";	4042	info "emergency_perl_save: end map save\n";
3332		4043
3333	warn "begin emergency database checkpoint\n";	4044	cf::write_runtime_sync; # external watchdog should not bark
		4045
		4046	info "emergency_perl_save: begin database checkpoint\n";
3334	BDB::db_env_txn_checkpoint $DB_ENV;	4047	BDB::db_env_txn_checkpoint $DB_ENV;
3335	warn "end emergency database checkpoint\n";	4048	info "emergency_perl_save: end database checkpoint\n";
		4049
		4050	info "emergency_perl_save: begin write uuid\n";
		4051	write_uuid_sync 1;
		4052	info "emergency_perl_save: end write uuid\n";
		4053
		4054	cf::write_runtime_sync; # external watchdog should not bark
		4055
		4056	trace "emergency_perl_save: syncing database to disk";
		4057	BDB::db_env_txn_checkpoint $DB_ENV;
		4058
		4059	info "emergency_perl_save: starting sync\n";
		4060	IO::AIO::aio_sync sub {
		4061	info "emergency_perl_save: finished sync\n";
		4062	};
		4063
		4064	cf::write_runtime_sync; # external watchdog should not bark
		4065
		4066	trace "emergency_perl_save: flushing outstanding aio requests";
		4067	while (IO::AIO::nreqs || BDB::nreqs) {
		4068	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4069	}
		4070
		4071	cf::write_runtime_sync; # external watchdog should not bark
3336	};	4072	};
3337		4073
3338	warn "leave emergency perl save\n";	4074	info "emergency_perl_save: leave\n";
3339	}	4075	}
3340		4076
3341	sub post_cleanup {	4077	sub post_cleanup {
3342	my ($make_core) = @_;	4078	my ($make_core) = @_;
3343		4079
		4080	IO::AIO::flush;
		4081
3344	warn Carp::longmess "post_cleanup backtrace"	4082	error Carp::longmess "post_cleanup backtrace"
3345	if $make_core;	4083	if $make_core;
		4084
		4085	my $fh = pidfile;
		4086	unlink $PIDFILE if <$fh> == $$;
		4087	}
		4088
		4089	# a safer delete_package, copied from Symbol
		4090	sub clear_package($) {
		4091	my $pkg = shift;
		4092
		4093	# expand to full symbol table name if needed
		4094	unless ($pkg =~ /^main::.*::$/) {
		4095	$pkg = "main$pkg" if $pkg =~ /^::/;
		4096	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4097	$pkg .= '::' unless $pkg =~ /::$/;
		4098	}
		4099
		4100	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4101	my $stem_symtab = *{$stem}{HASH};
		4102
		4103	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4104	or return;
		4105
		4106	# clear all symbols
		4107	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4108	for my $name (keys %$leaf_symtab) {
		4109	_gv_clear *{"$pkg$name"};
		4110	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4111	}
3346	}	4112	}
3347		4113
3348	sub do_reload_perl() {	4114	sub do_reload_perl() {
3349	# can/must only be called in main	4115	# can/must only be called in main
3350	if ($Coro::current != $Coro::main) {	4116	unless (in_main) {
3351	warn "can only reload from main coroutine";	4117	error "can only reload from main coroutine";
3352	return;	4118	return;
3353	}	4119	}
3354		4120
3355	warn "reloading...";	4121	return if $RELOAD++;
3356		4122
3357	warn "entering sync_job";	4123	my $t1 = AE::time;
3358		4124
		4125	while ($RELOAD) {
		4126	cf::get_slot 0.1, -1, "reload_perl";
		4127	info "perl_reload: reloading...";
		4128
		4129	trace "perl_reload: entering sync_job";
		4130
3359	cf::sync_job {	4131	cf::sync_job {
3360	cf::write_runtime; # external watchdog should not bark
3361	cf::emergency_save;	4132	#cf::emergency_save;
3362	cf::write_runtime; # external watchdog should not bark
3363		4133
3364	warn "syncing database to disk";
3365	BDB::db_env_txn_checkpoint $DB_ENV;
3366
3367	# if anything goes wrong in here, we should simply crash as we already saved
3368
3369	warn "cancelling all WF_AUTOCANCEL watchers";
3370	for (Event::all_watchers) {
3371	$_->cancel if $_->data & WF_AUTOCANCEL;
3372	}
3373
3374	warn "flushing outstanding aio requests";
3375	for (;;) {
3376	BDB::flush;
3377	IO::AIO::flush;
3378	Coro::cede_notself;
3379	last unless IO::AIO::nreqs || BDB::nreqs;
3380	warn "iterate...";
3381	}
3382
3383	++$RELOAD;
3384
3385	warn "cancelling all extension coros";	4134	trace "perl_reload: cancelling all extension coros";
3386	$_->cancel for values %EXT_CORO;	4135	$_->cancel for values %EXT_CORO;
3387	%EXT_CORO = ();	4136	%EXT_CORO = ();
3388		4137
3389	warn "removing commands";	4138	trace "perl_reload: removing commands";
3390	%COMMAND = ();	4139	%COMMAND = ();
3391		4140
3392	warn "removing ext/exti commands";	4141	trace "perl_reload: removing ext/exti commands";
3393	%EXTCMD = ();	4142	%EXTCMD = ();
3394	%EXTICMD = ();	4143	%EXTICMD = ();
3395		4144
3396	warn "unloading/nuking all extensions";	4145	trace "perl_reload: unloading/nuking all extensions";
3397	for my $pkg (@EXTS) {	4146	for my $pkg (@EXTS) {
3398	warn "... unloading $pkg";	4147	trace "... unloading $pkg";
3399		4148
3400	if (my $cb = $pkg->can ("unload")) {	4149	if (my $cb = $pkg->can ("unload")) {
3401	eval {	4150	eval {
3402	$cb->($pkg);	4151	$cb->($pkg);
3403	1	4152	1
3404	} or warn "$pkg unloaded, but with errors: $@";	4153	} or error "$pkg unloaded, but with errors: $@";
		4154	}
		4155
		4156	trace "... clearing $pkg";
		4157	clear_package $pkg;
3405	}	4158	}
3406		4159
3407	warn "... nuking $pkg";
3408	Symbol::delete_package $pkg;
3409	}
3410
3411	warn "unloading all perl modules loaded from $LIBDIR";	4160	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3412	while (my ($k, $v) = each %INC) {	4161	while (my ($k, $v) = each %INC) {
3413	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4162	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3414		4163
3415	warn "... unloading $k";	4164	trace "... unloading $k";
3416	delete $INC{$k};	4165	delete $INC{$k};
3417		4166
3418	$k =~ s/\.pm$//;	4167	$k =~ s/\.pm$//;
3419	$k =~ s/\//::/g;	4168	$k =~ s/\//::/g;
3420		4169
3421	if (my $cb = $k->can ("unload_module")) {	4170	if (my $cb = $k->can ("unload_module")) {
3422	$cb->();	4171	$cb->();
		4172	}
		4173
		4174	clear_package $k;
3423	}	4175	}
3424		4176
3425	Symbol::delete_package $k;
3426	}
3427
3428	warn "getting rid of safe::, as good as possible";	4177	trace "perl_reload: getting rid of safe::, as good as possible";
3429	Symbol::delete_package "safe::$_"	4178	clear_package "safe::$_"
3430	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4179	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3431		4180
3432	warn "unloading cf.pm \"a bit\"";	4181	trace "perl_reload: unloading cf.pm \"a bit\"";
3433	delete $INC{"cf.pm"};	4182	delete $INC{"cf.pm"};
3434	delete $INC{"cf/pod.pm"};	4183	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3435		4184
3436	# don't, removes xs symbols, too,	4185	# don't, removes xs symbols, too,
3437	# and global variables created in xs	4186	# and global variables created in xs
3438	#Symbol::delete_package __PACKAGE__;	4187	#clear_package __PACKAGE__;
3439		4188
3440	warn "unload completed, starting to reload now";	4189	info "perl_reload: unload completed, starting to reload now";
3441		4190
3442	warn "reloading cf.pm";	4191	trace "perl_reload: reloading cf.pm";
3443	require cf;	4192	require cf;
3444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4193	cf::_connect_to_perl_1;
3445		4194
3446	warn "loading config and database again";	4195	trace "perl_reload: loading config and database again";
3447	cf::reload_config;	4196	cf::reload_config;
3448		4197
3449	warn "loading extensions";	4198	trace "perl_reload: loading extensions";
3450	cf::load_extensions;	4199	cf::load_extensions;
3451		4200
		4201	if ($REATTACH_ON_RELOAD) {
3452	warn "reattaching attachments to objects/players";	4202	trace "perl_reload: reattaching attachments to objects/players";
3453	_global_reattach; # objects, sockets	4203	_global_reattach; # objects, sockets
3454	warn "reattaching attachments to maps";	4204	trace "perl_reload: reattaching attachments to maps";
3455	reattach $_ for values %MAP;	4205	reattach $_ for values %MAP;
3456	warn "reattaching attachments to players";	4206	trace "perl_reload: reattaching attachments to players";
3457	reattach $_ for values %PLAYER;	4207	reattach $_ for values %PLAYER;
		4208	}
3458		4209
3459	warn "leaving sync_job";	4210	cf::_post_init 1;
3460		4211
		4212	trace "perl_reload: leaving sync_job";
		4213
3461	1	4214	1
3462	} or do {	4215	} or do {
3463	warn $@;	4216	error $@;
3464	warn "error while reloading, exiting.";	4217	cf::cleanup "perl_reload: error, exiting.";
3465	exit 1;	4218	};
		4219
		4220	--$RELOAD;
3466	};	4221	}
3467		4222
3468	warn "reloaded";	4223	$t1 = AE::time - $t1;
		4224	info "perl_reload: completed in ${t1}s\n";
3469	};	4225	};
3470		4226
3471	our $RELOAD_WATCHER; # used only during reload	4227	our $RELOAD_WATCHER; # used only during reload
3472		4228
3473	sub reload_perl() {	4229	sub reload_perl() {
3474	# doing reload synchronously and two reloads happen back-to-back,	4230	# doing reload synchronously and two reloads happen back-to-back,
3475	# coro crashes during coro_state_free->destroy here.	4231	# coro crashes during coro_state_free->destroy here.
3476		4232
3477	$RELOAD_WATCHER ||= Event->timer (	4233	$RELOAD_WATCHER ||= cf::async {
3478	reentrant => 0,	4234	Coro::AIO::aio_wait cache_extensions;
3479	after => 0,	4235
3480	data => WF_AUTOCANCEL,	4236	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3481	cb => sub {
3482	do_reload_perl;	4237	do_reload_perl;
3483	undef $RELOAD_WATCHER;	4238	undef $RELOAD_WATCHER;
3484	},	4239	};
3485	);	4240	};
3486	}	4241	}
3487		4242
3488	register_command "reload" => sub {	4243	register_command "reload" => sub {
3489	my ($who, $arg) = @_;	4244	my ($who, $arg) = @_;
3490		4245
…		…
3495	reload_perl;	4250	reload_perl;
3496	};	4251	};
3497	}	4252	}
3498	};	4253	};
3499		4254
3500	unshift @INC, $LIBDIR;	4255	#############################################################################
3501		4256
3502	my $bug_warning = 0;	4257	my $bug_warning = 0;
3503		4258
3504	our @WAIT_FOR_TICK;
3505	our @WAIT_FOR_TICK_BEGIN;
3506
3507	sub wait_for_tick {	4259	sub wait_for_tick() {
3508	return unless $TICK_WATCHER->is_active;	4260	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3509	return if $Coro::current == $Coro::main;
3510		4261
3511	my $signal = new Coro::Signal;	4262	$WAIT_FOR_TICK->wait;
3512	push @WAIT_FOR_TICK, $signal;
3513	$signal->wait;
3514	}	4263	}
3515		4264
3516	sub wait_for_tick_begin {	4265	sub wait_for_tick_begin() {
3517	return unless $TICK_WATCHER->is_active;	4266	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3518	return if $Coro::current == $Coro::main;
3519		4267
3520	my $signal = new Coro::Signal;	4268	my $signal = new Coro::Signal;
3521	push @WAIT_FOR_TICK_BEGIN, $signal;	4269	push @WAIT_FOR_TICK_BEGIN, $signal;
3522	$signal->wait;	4270	$signal->wait;
3523	}	4271	}
3524		4272
3525	$TICK_WATCHER = Event->timer (	4273	sub tick {
3526	reentrant => 0,
3527	parked => 1,
3528	prio => 0,
3529	at => $NEXT_TICK || $TICK,
3530	data => WF_AUTOCANCEL,
3531	cb => sub {
3532	if ($Coro::current != $Coro::main) {	4274	if ($Coro::current != $Coro::main) {
3533	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4275	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3534	unless ++$bug_warning > 10;	4276	unless ++$bug_warning > 10;
3535	return;	4277	return;
3536	}	4278	}
3537		4279
3538	$NOW = $tick_start = Event::time;	4280	cf::one_tick; # one server iteration
3539		4281
3540	cf::server_tick; # one server iteration	4282	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3541		4283
3542	$RUNTIME += $TICK;
3543	$NEXT_TICK += $TICK;
3544
3545	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4284	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3546	$NEXT_RUNTIME_WRITE = $NOW + 10;	4285	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3547	Coro::async_pool {	4286	Coro::async_pool {
3548	$Coro::current->{desc} = "runtime saver";	4287	$Coro::current->{desc} = "runtime saver";
3549	write_runtime	4288	write_runtime_sync
3550	or warn "ERROR: unable to write runtime file: $!";	4289	or error "ERROR: unable to write runtime file: $!";
3551	};
3552	}	4290	};
		4291	}
3553		4292
3554	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4293	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3555	$sig->send;	4294	$sig->send;
3556	}	4295	}
3557	while (my $sig = shift @WAIT_FOR_TICK) {	4296	$WAIT_FOR_TICK->broadcast;
3558	$sig->send;
3559	}
3560		4297
3561	$NOW = Event::time;	4298	$LOAD = ($NOW - $TICK_START) / $TICK;
3562
3563	# if we are delayed by four ticks or more, skip them all
3564	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3565
3566	$TICK_WATCHER->at ($NEXT_TICK);
3567	$TICK_WATCHER->start;
3568
3569	$LOAD = ($NOW - $tick_start) / $TICK;
3570	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4299	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3571		4300
3572	_post_tick;	4301	if (0) {
		4302	if ($NEXT_TICK) {
		4303	my $jitter = $TICK_START - $NEXT_TICK;
		4304	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4305	debug "jitter $JITTER\n";#d#
		4306	}
3573	},	4307	}
3574	);	4308	}
3575		4309
3576	{	4310	{
		4311	# configure BDB
		4312	info "initialising database";
		4313
3577	BDB::min_parallel 8;	4314	BDB::min_parallel 16;
3578	BDB::max_poll_time $TICK * 0.1;	4315	BDB::max_poll_reqs $TICK * 0.1;
3579	$BDB_POLL_WATCHER = Event->io (	4316	#$AnyEvent::BDB::WATCHER->priority (1);
3580	reentrant => 0,
3581	fd => BDB::poll_fileno,
3582	poll => 'r',
3583	prio => 0,
3584	data => WF_AUTOCANCEL,
3585	cb => \&BDB::poll_cb,
3586	);
3587
3588	BDB::set_sync_prepare {
3589	my $status;
3590	my $current = $Coro::current;
3591	(
3592	sub {
3593	$status = $!;
3594	$current->ready; undef $current;
3595	},
3596	sub {
3597	Coro::schedule while defined $current;
3598	$! = $status;
3599	},
3600	)
3601	};
3602		4317
3603	unless ($DB_ENV) {	4318	unless ($DB_ENV) {
3604	$DB_ENV = BDB::db_env_create;	4319	$DB_ENV = BDB::db_env_create;
3605	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4320	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3606	| BDB::LOG_AUTOREMOVE, 1);	4321	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4322	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3607	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4323	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3608	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4324	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3609		4325
3610	cf::sync_job {	4326	cf::sync_job {
3611	eval {	4327	eval {
…		…
3621		4337
3622	cf::cleanup "db_env_open(db): $@" if $@;	4338	cf::cleanup "db_env_open(db): $@" if $@;
3623	};	4339	};
3624	}	4340	}
3625		4341
3626	$BDB_DEADLOCK_WATCHER = Event->timer (	4342	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3627	after => 3,
3628	interval => 1,
3629	hard => 1,
3630	prio => 0,
3631	data => WF_AUTOCANCEL,
3632	cb => sub {
3633	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	4343	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3634	},
3635	);	4344	};
3636	$BDB_CHECKPOINT_WATCHER = Event->timer (	4345	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3637	after => 11,
3638	interval => 60,
3639	hard => 1,
3640	prio => 0,
3641	data => WF_AUTOCANCEL,
3642	cb => sub {
3643	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4346	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3644	},
3645	);	4347	};
3646	$BDB_TRICKLE_WATCHER = Event->timer (	4348	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3647	after => 5,
3648	interval => 10,
3649	hard => 1,
3650	prio => 0,
3651	data => WF_AUTOCANCEL,
3652	cb => sub {
3653	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4349	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3654	},
3655	);	4350	};
		4351
		4352	info "database initialised";
3656	}	4353	}
3657		4354
3658	{	4355	{
		4356	# configure IO::AIO
		4357
		4358	info "initialising aio";
3659	IO::AIO::min_parallel 8;	4359	IO::AIO::min_parallel 8;
3660
3661	undef $Coro::AIO::WATCHER;
3662	IO::AIO::max_poll_time $TICK * 0.1;	4360	IO::AIO::max_poll_time $TICK * 0.1;
3663	$AIO_POLL_WATCHER = Event->io (	4361	undef $AnyEvent::AIO::WATCHER;
3664	reentrant => 0,	4362	info "aio initialised";
3665	data => WF_AUTOCANCEL,
3666	fd => IO::AIO::poll_fileno,
3667	poll => 'r',
3668	prio => 0,
3669	cb => \&IO::AIO::poll_cb,
3670	);
3671	}	4363	}
3672		4364
3673	my $_log_backtrace;	4365	our $_log_backtrace;
		4366	our $_log_backtrace_last;
3674		4367
3675	sub _log_backtrace {	4368	sub _log_backtrace {
3676	my ($msg, @addr) = @_;	4369	my ($msg, @addr) = @_;
3677		4370
3678	$msg =~ s/\n//;	4371	$msg =~ s/\n$//;
3679		4372
		4373	if ($_log_backtrace_last eq $msg) {
		4374	LOG llevInfo, "[ABT] $msg\n";
		4375	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3680	# limit the # of concurrent backtraces	4376	# limit the # of concurrent backtraces
3681	if ($_log_backtrace < 2) {	4377	} elsif ($_log_backtrace < 2) {
		4378	$_log_backtrace_last = $msg;
3682	++$_log_backtrace;	4379	++$_log_backtrace;
		4380	my $perl_bt = Carp::longmess $msg;
3683	async {	4381	async {
3684	$Coro::current->{desc} = "abt $msg";	4382	$Coro::current->{desc} = "abt $msg";
3685		4383
3686	my @bt = fork_call {	4384	my @bt = fork_call {
3687	@addr = map { sprintf "%x", $_ } @addr;	4385	@addr = map { sprintf "%x", $_ } @addr;
…		…
3698	}	4396	}
3699		4397
3700	@funcs	4398	@funcs
3701	};	4399	};
3702		4400
3703	LOG llevInfo, "[ABT] $msg\n";	4401	LOG llevInfo, "[ABT] $perl_bt\n";
		4402	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3704	LOG llevInfo, "[ABT] $_\n" for @bt;	4403	LOG llevInfo, "[ABT] $_\n" for @bt;
3705	--$_log_backtrace;	4404	--$_log_backtrace;
3706	};	4405	};
3707	} else {	4406	} else {
3708	LOG llevInfo, "[ABT] $msg\n";	4407	LOG llevInfo, "[ABT] $msg\n";
3709	LOG llevInfo, "[ABT] [suppressed]\n";	4408	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3710	}	4409	}
3711	}	4410	}
3712		4411
3713	# load additional modules	4412	# load additional modules
3714	use cf::pod;	4413	require "cf/$_.pm" for @EXTRA_MODULES;
		4414	cf::_connect_to_perl_2;
3715		4415
3716	END { cf::emergency_save }	4416	END { cf::emergency_save }
3717		4417
3718	1	4418	1
3719		4419

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