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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.274 by root, Tue Jun 5 13:05:02 2007 UTC vs.
Revision 1.624 by root, Sat Nov 17 23:40:02 2018 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2018 Marc Alexander Lehmann / the Deliantra team
		5	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		6	#
		7	# Deliantra is free software: you can redistribute it and/or modify it under
		8	# the terms of the Affero GNU General Public License as published by the
		9	# Free Software Foundation, either version 3 of the License, or (at your
		10	# option) any later version.
		11	#
		12	# This program is distributed in the hope that it will be useful,
		13	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		14	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		15	# GNU General Public License for more details.
		16	#
		17	# You should have received a copy of the Affero GNU General Public License
		18	# and the GNU General Public License along with this program. If not, see
		19	# <http://www.gnu.org/licenses/>.
		20	#
		21	# The authors can be reached via e-mail to <support@deliantra.net>
		22	#
		23
1	package cf;	24	package cf;
2		25
3	use utf8;	26	use common::sense;
4	use strict;
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
		36	use Carp ();
14		37
		38	use AnyEvent ();
		39	use AnyEvent::IO ();
		40	use AnyEvent::DNS ();
		41
15	use Coro 3.61 ();	42	use Coro ();
16	use Coro::State;	43	use Coro::State;
17	use Coro::Handle;	44	use Coro::Handle;
		45	use Coro::EV;
18	use Coro::Event;	46	use Coro::AnyEvent;
19	use Coro::Timer;	47	use Coro::Timer;
20	use Coro::Signal;	48	use Coro::Signal;
21	use Coro::Semaphore;	49	use Coro::Semaphore;
		50	use Coro::SemaphoreSet;
		51	use Coro::AnyEvent;
22	use Coro::AIO;	52	use Coro::AIO;
		53	use Coro::BDB 1.6;
23	use Coro::Storable;	54	use Coro::Storable;
		55	use Coro::Util ();
24		56
		57	use Guard ();
		58	use JSON::XS 2.01 ();
25	use BDB ();	59	use BDB ();
26	use Data::Dumper;	60	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	61	use Fcntl;
29	use YAML::Syck ();	62	use YAML::XS ();
		63	use CBOR::XS ();
30	use IO::AIO 2.32 ();	64	use IO::AIO ();
31	use Time::HiRes;
32	use Compress::LZF;	65	use Compress::LZF;
		66	use Digest::MD5 ();
		67
		68	AnyEvent::detect;
33		69
34	# configure various modules to our taste	70	# configure various modules to our taste
35	#	71	#
36	$Storable::canonical = 1; # reduce rsync transfers	72	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	73	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		74
		75	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		76
		77	# make sure c-lzf reinitialises itself
		78	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	79	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		80
40	$Event::Eval = 1; # no idea why this is required, but it is	81	# strictly for debugging
41		82	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		83
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	84	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		85
		86	our @ORIG_INC;
48		87
49	our %COMMAND = ();	88	our %COMMAND = ();
50	our %COMMAND_TIME = ();	89	our %COMMAND_TIME = ();
51		90
52	our @EXTS = (); # list of extension package names	91	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	92	our %EXTCMD = ();
		93	our %EXTACMD = ();
		94	our %EXTICMD = ();
		95	our %EXTIACMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	96	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	97	our %EXT_MAP = (); # pluggable maps
56		98
57	our $RELOAD; # number of reloads so far	99	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	100	our @EVENT;
		101	our @REFLECT; # set by XS
		102	our %REFLECT; # set by us
59		103
60	our $CONFDIR = confdir;	104	our $CONFDIR = confdir;
		105
61	our $DATADIR = datadir;	106	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	107	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	108	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	109	our $MAPDIR = "$DATADIR/" . mapdir;
		110
65	our $LOCALDIR = localdir;	111	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	112	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	113	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	114	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	115	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	116	our $BDBDIR = "$LOCALDIR/db";
		117	our $PIDFILE = "$LOCALDIR/pid";
		118	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		119
		120	#our %RESOURCE; # unused
		121
		122	our $OUTPUT_RATE_MIN = 3000;
		123	our $OUTPUT_RATE_MAX = 1000000;
		124
		125	our $MAX_LINKS = 32; # how many chained exits to follow
		126	our $VERBOSE_IO = 1;
71		127
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	128	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	129	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	130	our $NEXT_TICK;
		131	our $USE_FSYNC = 1; # use fsync to write maps - default on
		132
		133	our $BDB_DEADLOCK_WATCHER;
		134	our $BDB_CHECKPOINT_WATCHER;
		135	our $BDB_TRICKLE_WATCHER;
		136	our $DB_ENV;
		137
		138	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		139
		140	our %CFG;
		141	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		142
		143	our $UPTIME; $UPTIME ||= time;
		144	our $RUNTIME = 0;
		145	our $SERVER_TICK = 0;
77	our $NOW;	146	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		147
80	our $BDB_POLL_WATCHER;	148	our (%PLAYER, %PLAYER_LOADING); # all users
81	our $DB_ENV;	149	our (%MAP, %MAP_LOADING ); # all maps
82
83	our %CFG;
84
85	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;
87
88	our %PLAYER; # all users
89	our %MAP; # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	150	our $LINK_MAP; # the special {link} map, which is always available
91		151
92	# used to convert map paths into valid unix filenames by replacing / by ∕	152	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	153	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		154
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	155	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	156	our $LOADAVG; # same thing, but with alpha-smoothing
		157	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	158	our $TICK_START; # for load detecting purposes
		159
		160	our @POST_INIT;
		161
		162	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		163	our $REALLY_UNLOOP; # never set to true, please :)
		164
		165	our $WAIT_FOR_TICK = new Coro::Signal;
		166	our @WAIT_FOR_TICK_BEGIN;
98		167
99	binmode STDOUT;	168	binmode STDOUT;
100	binmode STDERR;	169	binmode STDERR;
101		170
102	# read virtual server time, if available	171	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	172	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	173	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	174	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	175	$RUNTIME = <$fh> + 0.;
107	}	176	}
		177
		178	eval "sub TICK() { $TICK } 1" or die;
108		179
109	mkdir $_	180	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	181	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		182
112	our $EMERGENCY_POSITION;	183	our $EMERGENCY_POSITION;
113		184
114	sub cf::map::normalise;	185	sub cf::map::normalise;
115		186
		187	sub in_main() {
		188	$Coro::current == $Coro::main
		189	}
		190
116	#############################################################################	191	#############################################################################
117		192
		193	%REFLECT = ();
		194	for (@REFLECT) {
		195	my $reflect = JSON::XS::decode_json $_;
		196	$REFLECT{$reflect->{class}} = $reflect;
		197	}
		198
		199	# this is decidedly evil
		200	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		201
		202	#############################################################################
		203
118	=head2 GLOBAL VARIABLES	204	=head2 GLOBAL VARIABLES
119		205
120	=over 4	206	=over 4
121		207
122	=item $cf::UPTIME	208	=item $cf::UPTIME
123		209
124	The timestamp of the server start (so not actually an uptime).	210	The timestamp of the server start (so not actually an "uptime").
		211
		212	=item $cf::SERVER_TICK
		213
		214	An unsigned integer that starts at zero when the server is started and is
		215	incremented on every tick.
		216
		217	=item $cf::NOW
		218
		219	The (real) time of the last (current) server tick - updated before and
		220	after tick processing, so this is useful only as a rough "what time is it
		221	now" estimate.
		222
		223	=item $cf::TICK
		224
		225	The interval between each server tick, in seconds.
125		226
126	=item $cf::RUNTIME	227	=item $cf::RUNTIME
127		228
128	The time this server has run, starts at 0 and is increased by $cf::TICK on	229	The time this server has run, starts at 0 and is increased by $cf::TICK on
129	every server tick.	230	every server tick.
130		231
131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	232	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	233	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	234	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
134		235
135	Various directories - "/etc", read-only install directory, perl-library	236	Various directories - "/etc", read-only install directory, perl-library
136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	237	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
137	unique-items directory, player file directory, random maps directory and	238	unique-items directory, player file directory, random maps directory and
138	database environment.	239	database environment.
139		240
140	=item $cf::NOW
141
142	The time of the last (current) server tick.
143
144	=item $cf::TICK
145
146	The interval between server ticks, in seconds.
147
148	=item $cf::LOADAVG	241	=item $cf::LOADAVG
149		242
150	The current CPU load on the server (alpha-smoothed), as a value between 0	243	The current CPU load on the server (alpha-smoothed), as a value between 0
151	(none) and 1 (overloaded), indicating how much time is spent on processing	244	(none) and 1 (overloaded), indicating how much time is spent on processing
152	objects per tick. Healthy values are < 0.5.	245	objects per tick. Healthy values are < 0.5.
…		…
155		248
156	The raw value load value from the last tick.	249	The raw value load value from the last tick.
157		250
158	=item %cf::CFG	251	=item %cf::CFG
159		252
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	253	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	254	from wherever your confdir points to.
162		255
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	256	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		257
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	258	These are functions that inhibit the current coroutine one tick.
166	returns directly I<after> the tick processing (and consequently, can only wake one process	259	cf::wait_for_tick_begin only returns directly I<after> the tick
		260	processing (and consequently, can only wake one thread per tick), while
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	261	cf::wait_for_tick wakes up all waiters after tick processing.
		262
		263	Note that cf::wait_for_tick will immediately return when the server is not
		264	ticking, making it suitable for small pauses in threads that need to run
		265	when the server is paused. If that is not applicable (i.e. you I<really>
		266	want to wait, use C<$cf::WAIT_FOR_TICK>).
		267
		268	=item $cf::WAIT_FOR_TICK
		269
		270	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		271	variable contains a L<Coro::Signal> that is broadcats after every server
		272	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		273	next server tick.
		274
		275	=cut
		276
		277	sub wait_for_tick();
		278	sub wait_for_tick_begin();
		279
		280	=item @cf::INVOKE_RESULTS
		281
		282	This array contains the results of the last C<invoke ()> call. When
		283	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		284	that call.
		285
		286	=item %cf::REFLECT
		287
		288	Contains, for each (C++) class name, a hash reference with information
		289	about object members (methods, scalars, arrays and flags) and other
		290	metadata, which is useful for introspection.
168		291
169	=back	292	=back
170		293
171	=cut	294	=cut
172		295
173	BEGIN {	296	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	297	sub warn (@) { LOG llevWarn , join "", @_ }
		298	sub info (@) { LOG llevInfo , join "", @_ }
		299	sub debug(@) { LOG llevDebug, join "", @_ }
		300	sub trace(@) { LOG llevTrace, join "", @_ }
		301
		302	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	303	my $msg = join "", @_;
176		304
177	$msg .= "\n"	305	$msg .= "\n"
178	unless $msg =~ /\n$/;	306	unless $msg =~ /\n$/;
179		307
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	308	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		309
182	utf8::encode $msg;
183	LOG llevError, $msg;	310	LOG llevWarn, $msg;
184	};	311	};
185	}	312
		313	$Coro::State::DIEHOOK = sub {
		314	return unless $^S eq 0; # "eq", not "=="
		315
		316	error Carp::longmess $_[0];
		317
		318	if (in_main) {#d#
		319	error "DIEHOOK called in main context, Coro bug?\n";#d#
		320	return;#d#
		321	}#d#
		322
		323	# kill coroutine otherwise
		324	Coro::terminate
		325	};
186		326
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	327	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	328	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	329	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	330	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	337	for my $pkg (qw(
198	cf::global cf::attachable	338	cf::global cf::attachable
199	cf::object cf::object::player	339	cf::object cf::object::player
200	cf::client cf::player	340	cf::client cf::player
201	cf::arch cf::living	341	cf::arch cf::living
		342	cf::map cf::mapspace
202	cf::map cf::party cf::region	343	cf::party cf::region
203	)) {	344	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	345	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	346	}
207		347
208	$Event::DIED = sub {	348	$EV::DIED = sub {
209	warn "error in event callback: @_";	349	warn "error in event callback: $@";
210	};	350	};
		351
		352	#############################################################################
		353
		354	sub fork_call(&@);
		355	sub get_slot($;$$);
		356
		357	#############################################################################
211		358
212	=head2 UTILITY FUNCTIONS	359	=head2 UTILITY FUNCTIONS
213		360
214	=over 4	361	=over 4
215		362
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	381	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	382	$d
236	} || "[unable to dump $_[0]: '$@']";	383	} || "[unable to dump $_[0]: '$@']";
237	}	384	}
238		385
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	386	=item $scalar = cf::load_file $path
240		387
		388	Loads the given file from path and returns its contents. Croaks on error
		389	and can block.
		390
		391	=cut
		392
		393	sub load_file($) {
		394	0 <= aio_load $_[0], my $data
		395	or Carp::croak "$_[0]: $!";
		396
		397	$data
		398	}
		399
		400	=item $success = cf::replace_file $path, $data, $sync
		401
		402	Atomically replaces the file at the given $path with new $data, and
		403	optionally $sync the data to disk before replacing the file.
		404
		405	=cut
		406
		407	sub replace_file($$;$) {
		408	my ($path, $data, $sync) = @_;
		409
		410	my $lock = cf::lock_acquire ("replace_file:$path");
		411
		412	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		413	or return;
		414
		415	$data = $data->() if ref $data;
		416
		417	length $data == aio_write $fh, 0, (length $data), $data, 0
		418	or return;
		419
		420	!$sync
		421	or !aio_fsync $fh
		422	or return;
		423
		424	aio_close $fh
		425	and return;
		426
		427	aio_rename "$path~", $path
		428	and return;
		429
		430	if ($sync) {
		431	$path =~ s%/[^/]*$%%;
		432	aio_pathsync $path;
		433	}
		434
		435	1
		436	}
		437
241	=item $ref = cf::from_json $json	438	=item $ref = cf::decode_json $json
242		439
243	Converts a JSON string into the corresponding perl data structure.	440	Converts a JSON string into the corresponding perl data structure.
244		441
245	=item $json = cf::to_json $ref	442	=item $json = cf::encode_json $ref
246		443
247	Converts a perl data structure into its JSON representation.	444	Converts a perl data structure into its JSON representation.
248		445
		446	=cut
		447
		448	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		449
		450	sub encode_json($) { $json_coder->encode ($_[0]) }
		451	sub decode_json($) { $json_coder->decode ($_[0]) }
		452
		453	=item $ref = cf::decode_storable $scalar
		454
		455	Same as Coro::Storable::thaw, so blocks.
		456
		457	=cut
		458
		459	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		460
		461	=item $ref = cf::decode_yaml $scalar
		462
		463	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		464
		465	=cut
		466
		467	sub decode_yaml($) {
		468	fork_call { YAML::XS::Load $_[0] } @_
		469	}
		470
		471	=item $scalar = cf::decode_cbor $scalar
		472
		473	Same as CBOR::XS::decode_cbor, but takes server ticks into account, so
		474	blocks. For small amounts of data, C<CBOR::XS::decode_cbor> is the better
		475	alternative.
		476
		477	=cut
		478
		479	sub decode_cbor($) {
		480	# we assume 10mb/s minimum decoding speed (on a ~2ghz machine)
		481	cf::get_slot +(length $_[0]) / 10_000_000, 0, "decode_cbor";
		482	CBOR::XS::decode_cbor $_[0]
		483	}
		484
		485	=item $scalar = cf::unlzf $scalar
		486
		487	Same as Compress::LZF::compress, but takes server ticks into account, so
		488	blocks.
		489
		490	=cut
		491
		492	sub unlzf($) {
		493	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		494	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		495	Compress::LZF::decompress $_[0]
		496	}
		497
		498	=item cf::post_init { BLOCK }
		499
		500	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		501	but I<before> the server starts ticking again.
		502
		503	The codeblock will have a single boolean argument to indicate whether this
		504	is a reload or not.
		505
		506	=cut
		507
		508	sub post_init(&) {
		509	push @POST_INIT, shift;
		510	}
		511
		512	sub _post_init {
		513	trace "running post_init jobs";
		514
		515	# run them in parallel...
		516
		517	my @join;
		518
		519	while () {
		520	push @join, map &Coro::async ($_, 0), @POST_INIT;
		521	@POST_INIT = ();
		522
		523	@join or last;
		524
		525	(pop @join)->join;
		526	}
		527	}
		528
249	=item cf::lock_wait $string	529	=item cf::lock_wait $string
250		530
251	Wait until the given lock is available. See cf::lock_acquire.	531	Wait until the given lock is available. See cf::lock_acquire.
252		532
253	=item my $lock = cf::lock_acquire $string	533	=item my $lock = cf::lock_acquire $string
254		534
255	Wait until the given lock is available and then acquires it and returns	535	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	536	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	537	for example when the coroutine gets canceled), the lock is automatically
258	returned.	538	returned.
259		539
		540	Locks are *not* recursive, locking from the same coro twice results in a
		541	deadlocked coro.
		542
260	Lock names should begin with a unique identifier (for example, cf::map::find	543	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	544	uses map_find and cf::map::load uses map_load).
262		545
263	=item $locked = cf::lock_active $string	546	=item $locked = cf::lock_active $string
264		547
265	Return true if the lock is currently active, i.e. somebody has locked it.	548	Return true if the lock is currently active, i.e. somebody has locked it.
266		549
267	=cut	550	=cut
268		551
269	our %LOCK;	552	our $LOCKS = new Coro::SemaphoreSet;
270		553
271	sub lock_wait($) {	554	sub lock_wait($) {
272	my ($key) = @_;	555	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	556	}
280		557
281	sub lock_acquire($) {	558	sub lock_acquire($) {
282	my ($key) = @_;	559	$LOCKS->guard ($_[0])
283
284	# wait, to be sure we are not locked
285	lock_wait $key;
286
287	$LOCK{$key} = [];
288
289	Coro::guard {
290	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };
292	}
293	}	560	}
294		561
295	sub lock_active($) {	562	sub lock_active($) {
296	my ($key) = @_;	563	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	564	}
300		565
301	sub freeze_mainloop {	566	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	567	tick_inhibit_inc;
303		568
304	my $guard = Coro::guard {	569	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	570	}
		571
		572	=item cf::periodic $interval, $cb
		573
		574	Like EV::periodic, but randomly selects a starting point so that the actions
		575	get spread over time.
		576
		577	=cut
		578
		579	sub periodic($$) {
		580	my ($interval, $cb) = @_;
		581
		582	my $start = rand List::Util::min 180, $interval;
		583
		584	EV::periodic $start, $interval, 0, $cb
		585	}
		586
		587	=item cf::get_slot $time[, $priority[, $name]]
		588
		589	Allocate $time seconds of blocking CPU time at priority C<$priority>
		590	(default: 0): This call blocks and returns only when you have at least
		591	C<$time> seconds of cpu time till the next tick. The slot is only valid
		592	till the next cede.
		593
		594	Background jobs should use a priority less than zero, interactive jobs
		595	should use 100 or more.
		596
		597	The optional C<$name> can be used to identify the job to run. It might be
		598	used for statistical purposes and should identify the same time-class.
		599
		600	Useful for short background jobs.
		601
		602	=cut
		603
		604	our @SLOT_QUEUE;
		605	our $SLOT_QUEUE;
		606	our $SLOT_DECAY = 0.9;
		607
		608	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		609	$SLOT_QUEUE = Coro::async {
		610	$Coro::current->desc ("timeslot manager");
		611
		612	my $signal = new Coro::Signal;
		613	my $busy;
		614
		615	while () {
		616	next_job:
		617
		618	Coro::cede;
		619
		620	my $avail = cf::till_tick;
		621
		622	for (0 .. $#SLOT_QUEUE) {
		623	if ($SLOT_QUEUE[$_][0] <= $avail) {
		624	$busy = 0;
		625	my $job = splice @SLOT_QUEUE, $_, 1, ();
		626	$job->[2]->send;
		627	goto next_job;
		628	} else {
		629	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		630	}
		631	}
		632
		633	if (@SLOT_QUEUE) {
		634	wait_for_tick;
		635	} else {
		636	$busy = 0;
		637	Coro::schedule;
		638	}
306	};	639	}
307	$TICK_WATCHER->stop;	640	};
308	$guard	641
		642	sub get_slot($;$$) {
		643	return if tick_inhibit || $Coro::current == $Coro::main;
		644
		645	my ($time, $pri, $name) = @_;
		646
		647	$time = clamp $time, 0.01, $TICK * .6;
		648
		649	my $sig = new Coro::Signal;
		650
		651	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		652	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		653	$SLOT_QUEUE->ready;
		654	$sig->wait;
309	}	655	}
310		656
311	=item cf::async { BLOCK }	657	=item cf::async { BLOCK }
312		658
313	Currently the same as Coro::async_pool, meaning you cannot use	659	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		664
319	BEGIN { *async = \&Coro::async_pool }	665	BEGIN { *async = \&Coro::async_pool }
320		666
321	=item cf::sync_job { BLOCK }	667	=item cf::sync_job { BLOCK }
322		668
323	The design of crossfire+ requires that the main coro ($Coro::main) is	669	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	670	is always able to handle events or is runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	671	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		672	acceptable.
326		673
327	If it must be done, put the blocking parts into C<sync_job>. This will run	674	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	675	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	676	server will be frozen during this time, so the block should either finish
330	fast or be very important.	677	fast or be very important.
…		…
332	=cut	679	=cut
333		680
334	sub sync_job(&) {	681	sub sync_job(&) {
335	my ($job) = @_;	682	my ($job) = @_;
336		683
337	if ($Coro::current == $Coro::main) {	684	if (in_main) {
338	my $time = Event::time;	685	my $time = AE::time;
339		686
340	# this is the main coro, too bad, we have to block	687	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	688	# till the operation succeeds, freezing the server :/
342		689
343	# TODO: use suspend/resume instead	690	#LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	691
345	my $freeze_guard = freeze_mainloop;	692	my $freeze_guard = freeze_mainloop;
346		693
347	my $busy = 1;	694	my $busy = 1;
348	my @res;	695	my @res;
349		696
350	(async {	697	(async {
		698	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	699	@res = eval { $job->() };
352	warn $@ if $@;	700	error $@ if $@;
353	undef $busy;	701	undef $busy;
354	})->prio (Coro::PRIO_MAX);	702	})->prio (Coro::PRIO_MAX);
355		703
356	while ($busy) {	704	while ($busy) {
357	Coro::cede or Event::one_event;	705	if (Coro::nready) {
		706	Coro::cede_notself;
		707	} else {
		708	EV::run EV::RUN_ONCE;
358	}	709	}
		710	}
359		711
360	$time = Event::time - $time;	712	my $time = AE::time - $time;
361		713
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	714	$TICK_START += $time; # do not account sync jobs to server load
366		715
367	wantarray ? @res : $res[0]	716	wantarray ? @res : $res[0]
368	} else {	717	} else {
369	# we are in another coroutine, how wonderful, everything just works	718	# we are in another coroutine, how wonderful, everything just works
370		719
…		…
390	$EXT_CORO{$coro+0} = $coro;	739	$EXT_CORO{$coro+0} = $coro;
391		740
392	$coro	741	$coro
393	}	742	}
394		743
395	sub write_runtime {	744	=item fork_call { }, @args
396	my $runtime = "$LOCALDIR/runtime";
397		745
398	# first touch the runtime file to show we are still running:	746	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	747	process, returning the results. Everything must be serialisable with
		748	Coro::Storable. May, of course, block. Note that the executed sub may
		749	never block itself or use any form of event handling.
400		750
401	IO::AIO::aio_utime $runtime, undef, undef;	751	=cut
402		752
403	my $guard = cf::lock_acquire "write_runtime";	753	sub post_fork {
		754	reset_signals;
		755	}
404		756
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	757	sub fork_call(&@) {
406	or return;	758	my ($cb, @args) = @_;
407		759
408	my $value = $cf::RUNTIME + 90 + 10;	760	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	761	cf::post_fork;
410	# 60 allows for the watchdog to kill the server.	762	&$cb
		763	} @args;
411		764
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	765	wantarray ? @res : $res[-1]
413	and return;	766	}
414		767
415	# always fsync - this file is important	768	sub objinfo {
416	aio_fsync $fh
417	and return;
418
419	# touch it again to show we are up-to-date
420	aio_utime $fh, undef, undef;
421
422	close $fh
423	or return;
424
425	aio_rename "$runtime~", $runtime
426	and return;
427
428	warn "runtime file written.\n";
429
430	1	769	(
		770	"counter value" => cf::object::object_count,
		771	"objects created" => cf::object::create_count,
		772	"objects destroyed" => cf::object::destroy_count,
		773	"freelist size" => cf::object::free_count,
		774	"allocated objects" => cf::object::objects_size,
		775	"active objects" => cf::object::actives_size,
		776	)
		777	}
		778
		779	=item $coin = coin_from_name $name
		780
		781	=cut
		782
		783	our %coin_alias = (
		784	"silver" => "silvercoin",
		785	"silvercoin" => "silvercoin",
		786	"silvercoins" => "silvercoin",
		787	"gold" => "goldcoin",
		788	"goldcoin" => "goldcoin",
		789	"goldcoins" => "goldcoin",
		790	"platinum" => "platinacoin",
		791	"platinumcoin" => "platinacoin",
		792	"platinumcoins" => "platinacoin",
		793	"platina" => "platinacoin",
		794	"platinacoin" => "platinacoin",
		795	"platinacoins" => "platinacoin",
		796	"royalty" => "royalty",
		797	"royalties" => "royalty",
		798	);
		799
		800	sub coin_from_name($) {
		801	$coin_alias{$_[0]}
		802	? cf::arch::find $coin_alias{$_[0]}
		803	: undef
		804	}
		805
		806	=item $value = cf::db_get $family => $key
		807
		808	Returns a single value from the environment database.
		809
		810	=item cf::db_put $family => $key => $value
		811
		812	Stores the given C<$value> in the family. It can currently store binary
		813	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		814
		815	=item $db = cf::db_table "name"
		816
		817	Create and/or open a new database table. The string must not be "db" and must be unique
		818	within each server.
		819
		820	=cut
		821
		822	sub db_table($) {
		823	cf::error "db_get called from main context"
		824	if $Coro::current == $Coro::main;
		825
		826	my ($name) = @_;
		827	my $db = BDB::db_create $DB_ENV;
		828
		829	eval {
		830	$db->set_flags (BDB::CHKSUM);
		831
		832	utf8::encode $name;
		833	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		834	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		835	cf::cleanup "db_open(db): $!" if $!;
		836	};
		837	cf::cleanup "db_open(db): $@" if $@;
		838
		839	$db
		840	}
		841
		842	our $DB;
		843
		844	sub db_init {
		845	$DB ||= db_table "db";
		846	}
		847
		848	sub db_get($$) {
		849	my $key = "$_[0]/$_[1]";
		850
		851	cf::error "db_get called from main context"
		852	if $Coro::current == $Coro::main;
		853
		854	BDB::db_get $DB, undef, $key, my $data;
		855
		856	$! ? ()
		857	: $data
		858	}
		859
		860	sub db_put($$$) {
		861	BDB::dbreq_pri 4;
		862	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		863	}
		864
		865	=item cf::cache $id => [$paths...], $processversion => $process
		866
		867	Generic caching function that returns the value of the resource $id,
		868	caching and regenerating as required.
		869
		870	This function can block.
		871
		872	=cut
		873
		874	sub cache {
		875	my ($id, $src, $processversion, $process) = @_;
		876
		877	my $meta =
		878	join "\x00",
		879	$processversion,
		880	map {
		881	aio_stat $_
		882	and Carp::croak "$_: $!";
		883
		884	($_, (stat _)[7,9])
		885	} @$src;
		886
		887	my $dbmeta = db_get cache => "$id/meta";
		888	if ($dbmeta ne $meta) {
		889	# changed, we may need to process
		890
		891	my @data;
		892	my $md5;
		893
		894	for (0 .. $#$src) {
		895	$data[$_] = load_file $src->[$_];
		896	}
		897
		898	# if processing is expensive, check
		899	# checksum first
		900	if (1) {
		901	$md5 =
		902	join "\x00",
		903	$processversion,
		904	map {
		905	cf::cede_to_tick;
		906	($src->[$_], Digest::MD5::md5_hex $data[$_])
		907	} 0.. $#$src;
		908
		909
		910	my $dbmd5 = db_get cache => "$id/md5";
		911	if ($dbmd5 eq $md5) {
		912	db_put cache => "$id/meta", $meta;
		913
		914	return db_get cache => "$id/data";
		915	}
		916	}
		917
		918	my $t1 = EV::time;
		919	my $data = $process->(\@data);
		920	my $t2 = EV::time;
		921
		922	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		923
		924	db_put cache => "$id/data", $data;
		925	db_put cache => "$id/md5" , $md5;
		926	db_put cache => "$id/meta", $meta;
		927
		928	return $data;
		929	}
		930
		931	db_get cache => "$id/data"
431	}	932	}
432		933
433	=item cf::datalog type => key => value, ...	934	=item cf::datalog type => key => value, ...
434		935
435	Log a datalog packet of the given type with the given key-value pairs.	936	Log a datalog packet of the given type with the given key-value pairs.
436		937
437	=cut	938	=cut
438		939
439	sub datalog($@) {	940	sub datalog($@) {
440	my ($type, %kv) = @_;	941	my ($type, %kv) = @_;
441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	942	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
442	}	943	}
443		944
444	=back	945	=back
445		946
446	=cut	947	=cut
447		948
448	#############################################################################	949	#############################################################################
449		950
450	=head2 ATTACHABLE OBJECTS	951	=head2 ATTACHABLE OBJECTS
451		952
452	Many objects in crossfire are so-called attachable objects. That means you can	953	Many objects in deliantra are so-called attachable objects. That means you can
453	attach callbacks/event handlers (a collection of which is called an "attachment")	954	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	955	to it. All such attachable objects support the following methods.
455		956
456	In the following description, CLASS can be any of C<global>, C<object>	957	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	958	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	959	Deliantra).
459		960
460	=over 4	961	=over 4
461		962
462	=item $attachable->attach ($attachment, key => $value...)	963	=item $attachable->attach ($attachment, key => $value...)
463		964
…		…
507	=item cf::CLASS::attachment $name, ...	1008	=item cf::CLASS::attachment $name, ...
508		1009
509	Register an attachment by C<$name> through which attachable objects of the	1010	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	1011	given CLASS can refer to this attachment.
511		1012
512	Some classes such as crossfire maps and objects can specify attachments	1013	Some classes such as deliantra maps and objects can specify attachments
513	that are attached at load/instantiate time, thus the need for a name.	1014	that are attached at load/instantiate time, thus the need for a name.
514		1015
515	These calls expect any number of the following handler/hook descriptions:	1016	These calls expect any number of the following handler/hook descriptions:
516		1017
517	=over 4	1018	=over 4
…		…
641		1142
642	} elsif (exists $cb_id{$type}) {	1143	} elsif (exists $cb_id{$type}) {
643	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1144	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
644		1145
645	} elsif (ref $type) {	1146	} elsif (ref $type) {
646	warn "attaching objects not supported, ignoring.\n";	1147	error "attaching objects not supported, ignoring.\n";
647		1148
648	} else {	1149	} else {
649	shift @arg;	1150	shift @arg;
650	warn "attach argument '$type' not supported, ignoring.\n";	1151	error "attach argument '$type' not supported, ignoring.\n";
651	}	1152	}
652	}	1153	}
653	}	1154	}
654		1155
655	sub _object_attach {	1156	sub _object_attach {
…		…
665	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
666	}	1167	}
667		1168
668	$obj->{$name} = \%arg;	1169	$obj->{$name} = \%arg;
669	} else {	1170	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	1171	info "object uses attachment '$name' which is not available, postponing.\n";
671	}	1172	}
672		1173
673	$obj->{_attachment}{$name} = undef;	1174	$obj->{_attachment}{$name} = undef;
674	}	1175	}
675		1176
…		…
715	";	1216	";
716	die if $@;	1217	die if $@;
717	}	1218	}
718		1219
719	our $override;	1220	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1221	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1222
722	sub override {	1223	sub override {
723	$override = 1;	1224	$override = 1;
724	@invoke_results = ();	1225	@INVOKE_RESULTS = (@_);
725	}	1226	}
726		1227
727	sub do_invoke {	1228	sub do_invoke {
728	my $event = shift;	1229	my $event = shift;
729	my $callbacks = shift;	1230	my $callbacks = shift;
730		1231
731	@invoke_results = ();	1232	@INVOKE_RESULTS = ();
732		1233
733	local $override;	1234	local $override;
734		1235
735	for (@$callbacks) {	1236	for (@$callbacks) {
736	eval { &{$_->[1]} };	1237	eval { &{$_->[1]} };
737		1238
738	if ($@) {	1239	if ($@) {
739	warn "$@";
740	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1240	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
741	override;	1241	override;
742	}	1242	}
743		1243
744	return 1 if $override;	1244	return 1 if $override;
745	}	1245	}
746		1246
747	0	1247	0
748	}	1248	}
749		1249
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1250	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1251
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1252	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1253
754	Generate an object-specific event with the given arguments.	1254	Generate an object-specific event with the given arguments.
755		1255
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1256	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1257	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1258	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1259
760	=back	1260	=back
761		1261
762	=cut	1262	=cut
763		1263
764	#############################################################################	1264	#############################################################################
765	# object support	1265	# object support
		1266
		1267	sub _object_equal($$);
		1268	sub _object_equal($$) {
		1269	my ($a, $b) = @_;
		1270
		1271	return 0 unless (ref $a) eq (ref $b);
		1272
		1273	if ("HASH" eq ref $a) {
		1274	my @ka = keys %$a;
		1275	my @kb = keys %$b;
		1276
		1277	return 0 if @ka != @kb;
		1278
		1279	for (0 .. $#ka) {
		1280	return 0 unless $ka[$_] eq $kb[$_];
		1281	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1282	}
		1283
		1284	} elsif ("ARRAY" eq ref $a) {
		1285
		1286	return 0 if @$a != @$b;
		1287
		1288	for (0 .. $#$a) {
		1289	return 0 unless _object_equal $a->[$_], $b->[$_];
		1290	}
		1291
		1292	} elsif ($a ne $b) {
		1293	return 0;
		1294	}
		1295
		1296	1
		1297	}
		1298
		1299	our $SLOW_MERGES;#d#
		1300	sub _can_merge {
		1301	my ($ob1, $ob2) = @_;
		1302
		1303	++$SLOW_MERGES;#d#
		1304
		1305	# we do the slow way here
		1306	return _object_equal $ob1, $ob2
		1307	}
766		1308
767	sub reattach {	1309	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1310	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1311	my ($obj) = @_;
770		1312
		1313	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1314	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1315
773	my $registry = $obj->registry;	1316	my $registry = $obj->registry;
774		1317
775	@$registry = ();	1318	@$registry = ();
776		1319
…		…
781	for (@$attach) {	1324	for (@$attach) {
782	my ($klass, @attach) = @$_;	1325	my ($klass, @attach) = @$_;
783	_attach $registry, $klass, @attach;	1326	_attach $registry, $klass, @attach;
784	}	1327	}
785	} else {	1328	} else {
786	warn "object uses attachment '$name' that is not available, postponing.\n";	1329	info "object uses attachment '$name' that is not available, postponing.\n";
787	}	1330	}
788	}	1331	}
789	}	1332	}
790		1333
791	cf::attachable->attach (	1334	cf::attachable->attach (
792	prio => -1000000,	1335	prio => -1000000,
793	on_instantiate => sub {	1336	on_instantiate => sub {
794	my ($obj, $data) = @_;	1337	my ($obj, $data) = @_;
795		1338
796	$data = from_json $data;	1339	$data = decode_json $data;
797		1340
798	for (@$data) {	1341	for (@$data) {
799	my ($name, $args) = @$_;	1342	my ($name, $args) = @$_;
800		1343
801	$obj->attach ($name, %{$args || {} });	1344	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1360	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1361	my ($filename, $rdata, $objs) = @_;
819		1362
820	sync_job {	1363	sync_job {
821	if (length $$rdata) {	1364	if (length $$rdata) {
		1365	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1366	trace sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1367	$decname, length $$rdata, scalar @$objs
		1368	if $VERBOSE_IO;
824		1369
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1370	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1371	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1372	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1373	if ($cf::USE_FSYNC) {
		1374	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;
		1375	aio_fsync $fh;
		1376	}
829	close $fh;	1377	aio_close $fh;
830		1378
831	if (@$objs) {	1379	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1380	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1381	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1382	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1383	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1384	if ($cf::USE_FSYNC) {
		1385	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;
		1386	aio_fsync $fh;
		1387	}
837	close $fh;	1388	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1389	aio_rename "$filename.pst~", "$filename.pst";
839	}	1390	}
840	} else {	1391	} else {
841	aio_unlink "$filename.pst";	1392	aio_unlink "$filename.pst";
842	}	1393	}
843		1394
844	aio_rename "$filename~", $filename;	1395	aio_rename "$filename~", $filename;
		1396
		1397	$filename =~ s%/[^/]+$%%;
		1398	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1399	} else {
846	warn "FATAL: $filename~: $!\n";	1400	error "unable to save objects: $filename~: $!\n";
847	}	1401	}
848	} else {	1402	} else {
849	aio_unlink $filename;	1403	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1404	aio_unlink "$filename.pst";
851	}	1405	}
852	}	1406	};
853	}	1407	}
854		1408
855	sub object_freezer_as_string {	1409	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1410	my ($rdata, $objs) = @_;
857		1411
…		…
869	or return;	1423	or return;
870		1424
871	unless (aio_stat "$filename.pst") {	1425	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1426	(aio_load "$filename.pst", $av) >= 0
873	or return;	1427	or return;
		1428
874	$av = eval { (Storable::thaw $av)->{objs} };	1429	my $st = eval { Coro::Storable::thaw $av };
		1430	$av = $st->{objs};
875	}	1431	}
876		1432
		1433	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1434	trace sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1435	$decname, length $data, scalar @{$av || []}
		1436	if $VERBOSE_IO;
		1437
879	return ($data, $av);	1438	($data, $av)
880	}	1439	}
		1440
		1441	=head2 COMMAND CALLBACKS
		1442
		1443	=over 4
		1444
		1445	=cut
881		1446
882	#############################################################################	1447	#############################################################################
883	# command handling &c	1448	# command handling &c
884		1449
885	=item cf::register_command $name => \&callback($ob,$args);	1450	=item cf::register_command $name => \&callback($ob,$args)
886		1451
887	Register a callback for execution when the client sends the user command	1452	Register a callback for execution when the client sends the user command
888	$name.	1453	$name.
889		1454
890	=cut	1455	=cut
…		…
896	#warn "registering command '$name/$time' to '$caller'";	1461	#warn "registering command '$name/$time' to '$caller'";
897		1462
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1463	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1464	}
900		1465
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1466	=item cf::register_extcmd $name => \&callback($pl,@args)
902		1467
903	Register a callbackf ro execution when the client sends an extcmd packet.	1468	Register a callback for execution when the client sends an (synchronous)
		1469	extcmd packet. Ext commands will be processed in the order they are
		1470	received by the server, like other user commands. The first argument is
		1471	the logged-in player. Ext commands can only be processed after a player
		1472	has logged in successfully.
904		1473
905	If the callback returns something, it is sent back as if reply was being	1474	The values will be sent back to the client.
906	called.
907		1475
908	=cut	1476	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
909		1477
		1478	Same as C<cf::register_extcmd>, but instead of returning values, the
		1479	callback needs to clal the C<$reply> function.
		1480
		1481	=item cf::register_exticmd $name => \&callback($ns,@args)
		1482
		1483	Register a callback for execution when the client sends an (asynchronous)
		1484	exticmd packet. Exti commands are processed by the server as soon as they
		1485	are received, i.e. out of order w.r.t. other commands. The first argument
		1486	is a client socket. Exti commands can be received anytime, even before
		1487	log-in.
		1488
		1489	The values will be sent back to the client.
		1490
		1491	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
		1492
		1493	Same as C<cf::register_extcmd>, but instead of returning values, the
		1494	callback needs to clal the C<$reply> function.
		1495
		1496	=cut
		1497
910	sub register_extcmd {	1498	sub register_extcmd($$) {
911	my ($name, $cb) = @_;	1499	my ($name, $cb) = @_;
912		1500
913	$EXTCMD{$name} = $cb;	1501	$EXTCMD{$name} = $cb;
914	}	1502	}
915		1503
		1504	sub register_async_extcmd($$) {
		1505	my ($name, $cb) = @_;
		1506
		1507	$EXTACMD{$name} = $cb;
		1508	}
		1509
		1510	sub register_exticmd($$) {
		1511	my ($name, $cb) = @_;
		1512
		1513	$EXTICMD{$name} = $cb;
		1514	}
		1515
		1516	sub register_async_exticmd($$) {
		1517	my ($name, $cb) = @_;
		1518
		1519	$EXTIACMD{$name} = $cb;
		1520	}
		1521
		1522	use File::Glob ();
		1523
916	cf::player->attach (	1524	cf::player->attach (
917	on_command => sub {	1525	on_unknown_command => sub {
918	my ($pl, $name, $params) = @_;	1526	my ($pl, $name, $params) = @_;
919		1527
920	my $cb = $COMMAND{$name}	1528	my $cb = $COMMAND{$name}
921	or return;	1529	or return;
922		1530
…		…
927	cf::override;	1535	cf::override;
928	},	1536	},
929	on_extcmd => sub {	1537	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1538	my ($pl, $buf) = @_;
931		1539
932	my $msg = eval { from_json $buf };	1540	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1541
934	if (ref $msg) {	1542	if (ref $msg) {
		1543	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1544
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1545	if (my $cb = $EXTACMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1546	$cb->(
937	$pl->ext_reply ($msg->{msgid}, %reply);	1547	$pl,
		1548	sub {
		1549	$pl->ext_msg ("reply-$reply", @_)
		1550	if $reply;
		1551	},
		1552	@payload
		1553	);
		1554	} else {
		1555	my @reply;
		1556
		1557	if (my $cb = $EXTCMD{$type}) {
		1558	@reply = $cb->($pl, @payload);
938	}	1559	}
		1560
		1561	$pl->ext_msg ("reply-$reply", @reply)
		1562	if $reply;
939	}	1563	}
		1564
940	} else {	1565	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1566	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1567	}
943		1568
944	cf::override;	1569	cf::override;
945	},	1570	},
946	);	1571	);
947		1572
		1573	# "readahead" all extensions
948	sub load_extension {	1574	sub cache_extensions {
949	my ($path) = @_;	1575	my $grp = IO::AIO::aio_group;
950		1576
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1577	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
952	my $base = $1;	1578	for (grep /\.ext$/, @{$_[0]}) {
953	my $pkg = $1;	1579	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}	1580	}
976	die $@;
977	}	1581	};
978		1582
979	push @EXTS, $pkg;	1583	$grp
		1584	}
		1585
		1586	sub _ext_cfg_reg($$$$) {
		1587	my ($rvar, $varname, $cfgname, $default) = @_;
		1588
		1589	$cfgname = lc $varname
		1590	unless length $cfgname;
		1591
		1592	$EXT_CFG{$cfgname} = [$rvar, $default];
		1593
		1594	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
980	}	1595	}
981		1596
982	sub load_extensions {	1597	sub load_extensions {
		1598	info "loading extensions...";
		1599
		1600	%EXT_CFG = ();
		1601
		1602	cf::sync_job {
		1603	my %todo;
		1604
983	for my $ext (<$LIBDIR/*.ext>) {	1605	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1606	next unless -r $path;
985	eval {	1607
986	load_extension $ext;	1608	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1609	my $base = $1;
		1610	my $pkg = $1;
		1611	$pkg =~ s/[^[:word:]]/_/g;
		1612	$pkg = "ext::$pkg";
		1613
		1614	open my $fh, "<:utf8", $path
		1615	or die "$path: $!";
		1616
		1617	my $source = do { local $/; <$fh> };
		1618
		1619	my %ext = (
		1620	path => $path,
		1621	base => $base,
		1622	pkg => $pkg,
		1623	);
		1624
		1625	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1626	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1627
		1628	$ext{source} =
		1629	"package $pkg; use common::sense;\n"
		1630	. "#line 1 \"$path\"\n{\n"
		1631	. $source
		1632	. "\n};\n1";
		1633
		1634	$todo{$base} = \%ext;
		1635	}
		1636
		1637	my $pass = 0;
		1638	my %done;
		1639	while (%todo) {
		1640	my $progress;
		1641
		1642	++$pass;
		1643
		1644	ext:
		1645	while (my ($k, $v) = each %todo) {
		1646	for (split /,\s*/, $v->{meta}{depends}) {
		1647	next ext
		1648	unless exists $done{$_};
		1649	}
		1650
		1651	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1652
		1653	my $source = $v->{source};
		1654
		1655	# support "CONF varname :confname = default" pseudo-statements
		1656	$source =~ s{
		1657	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1658	}{
		1659	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1660	}gmxe;
		1661
		1662	my $active = eval $source;
		1663
		1664	if (length $@) {
		1665	error "$v->{path}: $@\n";
		1666
		1667	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1668	if exists $v->{meta}{mandatory};
		1669
		1670	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1671	delete $todo{$k};
		1672	} else {
		1673	$done{$k} = delete $todo{$k};
		1674	push @EXTS, $v->{pkg};
		1675	$progress = 1;
		1676
		1677	info "$v->{base}: extension inactive.\n"
		1678	unless $active;
		1679	}
987	1	1680	}
988	} or warn "$ext not loaded: $@";	1681
		1682	unless ($progress) {
		1683	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1684
		1685	while (my ($k, $v) = each %todo) {
		1686	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1687	if exists $v->{meta}{mandatory};
		1688	}
		1689
		1690	last;
		1691	}
		1692	}
989	}	1693	};
990	}	1694	}
991		1695
992	#############################################################################	1696	#############################################################################
993		1697
		1698	=back
		1699
994	=head2 CORE EXTENSIONS	1700	=head2 CORE EXTENSIONS
995		1701
996	Functions and methods that extend core crossfire objects.	1702	Functions and methods that extend core deliantra objects.
997		1703
998	=cut	1704	=cut
999		1705
1000	package cf::player;	1706	package cf::player;
1001		1707
1002	use Coro::AIO;	1708	use Coro::AIO;
1003		1709
1004	=head3 cf::player	1710	=head3 cf::player
1005		1711
1006	=over 4	1712	=over 4
		1713
		1714	=item cf::player::num_playing
		1715
		1716	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1717
		1718	=cut
		1719
		1720	sub num_playing {
		1721	scalar grep
		1722	$_->ob->map
		1723	&& !$_->hidden
		1724	&& !$_->ob->flag (cf::FLAG_WIZ),
		1725	cf::player::list
		1726	}
1007		1727
1008	=item cf::player::find $login	1728	=item cf::player::find $login
1009		1729
1010	Returns the given player object, loading it if necessary (might block).	1730	Returns the given player object, loading it if necessary (might block).
1011		1731
…		…
1030		1750
1031	sub exists($) {	1751	sub exists($) {
1032	my ($login) = @_;	1752	my ($login) = @_;
1033		1753
1034	$cf::PLAYER{$login}	1754	$cf::PLAYER{$login}
1035	or cf::sync_job { !aio_stat path $login }	1755	or !aio_stat path $login
1036	}	1756	}
1037		1757
1038	sub find($) {	1758	sub find($) {
1039	return $cf::PLAYER{$_[0]} || do {	1759	return $cf::PLAYER{$_[0]} || do {
1040	my $login = $_[0];	1760	my $login = $_[0];
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1767	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1768	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1769	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1770	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1771
1052	my $pl = load_pl path $login	1772	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1773	or return;
		1774
		1775	my $pl = cf::player::load_pl $f
		1776	or return;
		1777
		1778	local $cf::PLAYER_LOADING{$login} = $pl;
		1779	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1780	$cf::PLAYER{$login} = $pl
1055	}	1781	}
1056	}	1782	}
1057	}	1783	}
		1784
		1785	cf::player->attach (
		1786	on_load => sub {
		1787	my ($pl, $path) = @_;
		1788
		1789	# restore slots saved in save, below
		1790	my $slots = delete $pl->{_slots};
		1791
		1792	$pl->ob->current_weapon ($slots->[0]);
		1793	$pl->combat_ob ($slots->[1]);
		1794	$pl->ranged_ob ($slots->[2]);
		1795	},
		1796	);
1058		1797
1059	sub save($) {	1798	sub save($) {
1060	my ($pl) = @_;	1799	my ($pl) = @_;
1061		1800
1062	return if $pl->{deny_save};	1801	return if $pl->{deny_save};
…		…
1067	return if $pl->{deny_save};	1806	return if $pl->{deny_save};
1068		1807
1069	aio_mkdir playerdir $pl, 0770;	1808	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1809	$pl->{last_save} = $cf::RUNTIME;
1071		1810
		1811	cf::get_slot 0.01;
		1812
		1813	# save slots, to be restored later
		1814	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1815
1072	$pl->save_pl ($path);	1816	$pl->save_pl ($path);
1073	Coro::cede;	1817	cf::cede_to_tick;
1074	}	1818	}
1075		1819
1076	sub new($) {	1820	sub new($) {
1077	my ($login) = @_;	1821	my ($login) = @_;
1078		1822
…		…
1084	$cf::PLAYER{$login} = $self;	1828	$cf::PLAYER{$login} = $self;
1085		1829
1086	$self	1830	$self
1087	}	1831	}
1088		1832
		1833	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1834
		1835	=cut
		1836
		1837	sub send_msg {
		1838	my $ns = shift->ns
		1839	or return;
		1840	$ns->send_msg (@_);
		1841	}
		1842
1089	=item $pl->quit_character	1843	=item $pl->quit_character
1090		1844
1091	Nukes the player without looking back. If logged in, the connection will	1845	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1846	be destroyed. May block for a long time.
1093		1847
…		…
1097	my ($pl) = @_;	1851	my ($pl) = @_;
1098		1852
1099	my $name = $pl->ob->name;	1853	my $name = $pl->ob->name;
1100		1854
1101	$pl->{deny_save} = 1;	1855	$pl->{deny_save} = 1;
1102	$pl->password ("*"); # this should lock out the player until we nuked the dir	1856	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1103		1857
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1858	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1105	$pl->deactivate;	1859	$pl->deactivate;
		1860
		1861	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1862	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1863	ext::highscore::check ($pl->ob);
		1864
1107	$pl->ns->destroy if $pl->ns;	1865	$pl->ns->destroy if $pl->ns;
1108		1866
1109	my $path = playerdir $pl;	1867	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1868	my $temp = "$path~$cf::RUNTIME~deleting~";
1111	aio_rename $path, $temp;	1869	aio_rename $path, $temp;
…		…
1146	or return [];	1904	or return [];
1147		1905
1148	my @logins;	1906	my @logins;
1149		1907
1150	for my $login (@$dirs) {	1908	for my $login (@$dirs) {
		1909	my $path = path $login;
		1910
		1911	# a .pst is a dead give-away for a valid player
		1912	# if no pst file found, open and chekc for blocked users
		1913	if (aio_stat "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1914	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1915	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1916	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1917	}
1154		1918
1155	utf8::decode $login;	1919	utf8::decode $login;
1156	push @logins, $login;	1920	push @logins, $login;
1157	}	1921	}
1158		1922
1159	\@logins	1923	\@logins
1160	}	1924	}
1161		1925
1162	=item $player->maps	1926	=item $player->maps
		1927
		1928	=item cf::player::maps $login
1163		1929
1164	Returns an arrayref of map paths that are private for this	1930	Returns an arrayref of map paths that are private for this
1165	player. May block.	1931	player. May block.
1166		1932
1167	=cut	1933	=cut
…		…
1185	}	1951	}
1186		1952
1187	\@paths	1953	\@paths
1188	}	1954	}
1189		1955
1190	=item $player->ext_reply ($msgid, %msg)	1956	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1191		1957
1192	Sends an ext reply to the player.	1958	Expand deliantra pod fragments into protocol xml.
1193		1959
1194	=cut
1195
1196	sub ext_reply($$%) {
1197	my ($self, $id, %msg) = @_;
1198
1199	$msg{msgid} = $id;
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}
1203
1204	=item $player->ext_event ($type, %msg)	1960	=item $player->ext_msg ($type, @msg)
1205		1961
1206	Sends an ext event to the client.	1962	Sends an ext event to the client.
1207		1963
1208	=cut	1964	=cut
1209		1965
1210	sub ext_event($$%) {	1966	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1967	my ($self, $type, @msg) = @_;
1212		1968
1213	$self->ns->ext_event ($type, %msg);	1969	$self->ns->ext_msg ($type, @msg);
1214	}	1970	}
1215		1971
1216	=head3 cf::region	1972	=head3 cf::region
1217		1973
1218	=over 4	1974	=over 4
…		…
1221		1977
1222	package cf::region;	1978	package cf::region;
1223		1979
1224	=item cf::region::find_by_path $path	1980	=item cf::region::find_by_path $path
1225		1981
1226	Tries to decuce the probable region for a map knowing only its path.	1982	Tries to decuce the likely region for a map knowing only its path.
1227		1983
1228	=cut	1984	=cut
1229		1985
1230	sub find_by_path($) {	1986	sub find_by_path($) {
1231	my ($path) = @_;	1987	my ($path) = @_;
1232		1988
		1989	$path =~ s/^~[^\/]*//; # skip ~login
		1990
1233	my ($match, $specificity);	1991	my ($match, $specificity);
1234		1992
1235	for my $region (list) {	1993	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1994	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1995	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1996	if $region->specificity > $specificity;
1239	}	1997	}
1240	}	1998	}
1241		1999
…		…
1262	our $MAX_RESET = 3600;	2020	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	2021	our $DEFAULT_RESET = 3000;
1264		2022
1265	sub generate_random_map {	2023	sub generate_random_map {
1266	my ($self, $rmp) = @_;	2024	my ($self, $rmp) = @_;
1267	# mit "rum" bekleckern, nicht	2025
		2026	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2027
1268	$self->_create_random_map (	2028	$self->_create_random_map ($rmp);
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1272	$rmp->{exit_on_final_map},
1273	$rmp->{xsize}, $rmp->{ysize},
1274	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1275	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1276	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1277	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1278	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1279	(cf::region::find $rmp->{region}), $rmp->{custom}
1280	)
1281	}	2029	}
1282		2030
1283	=item cf::map->register ($regex, $prio)	2031	=item cf::map->register ($regex, $prio)
1284		2032
1285	Register a handler for the map path matching the given regex at the	2033	Register a handler for the map path matching the given regex at the
…		…
1290		2038
1291	sub register {	2039	sub register {
1292	my (undef, $regex, $prio) = @_;	2040	my (undef, $regex, $prio) = @_;
1293	my $pkg = caller;	2041	my $pkg = caller;
1294		2042
1295	no strict;
1296	push @{"$pkg\::ISA"}, __PACKAGE__;	2043	push @{"$pkg\::ISA"}, __PACKAGE__;
1297		2044
1298	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2045	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1299	}	2046	}
1300		2047
1301	# also paths starting with '/'	2048	# also paths starting with '/'
1302	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2049	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1303		2050
1304	sub thawer_merge {	2051	sub thawer_merge {
1305	my ($self, $merge) = @_;	2052	my ($self, $merge) = @_;
1306		2053
1307	# we have to keep some variables in memory intact	2054	# we have to keep some variables in memory intact
1308	local $self->{path};	2055	local $self->{path};
1309	local $self->{load_path};	2056	local $self->{load_path};
1310	local $self->{deny_save};
1311	local $self->{deny_reset};
1312		2057
1313	$self->SUPER::thawer_merge ($merge);	2058	$self->SUPER::thawer_merge ($merge);
1314	}	2059	}
1315		2060
1316	sub normalise {	2061	sub normalise {
1317	my ($path, $base) = @_;	2062	my ($path, $base) = @_;
1318		2063
1319	$path = "$path"; # make sure its a string	2064	$path = "$path"; # make sure it's a string
1320		2065
1321	$path =~ s/\.map$//;	2066	$path =~ s/\.map$//;
1322		2067
1323	# map plan:	2068	# map plan:
1324	#	2069	#
…		…
1339	$base =~ s{[^/]+/?$}{};	2084	$base =~ s{[^/]+/?$}{};
1340	$path = "$base/$path";	2085	$path = "$base/$path";
1341	}	2086	}
1342		2087
1343	for ($path) {	2088	for ($path) {
1344	redo if s{//}{/};
1345	redo if s{/\.?/}{/};	2089	redo if s{/\.?/}{/};
1346	redo if s{/[^/]+/\.\./}{/};	2090	redo if s{/[^/]+/\.\./}{/};
1347	}	2091	}
1348		2092
1349	$path	2093	$path
…		…
1363	$self->init; # pass $1 etc.	2107	$self->init; # pass $1 etc.
1364	return $self;	2108	return $self;
1365	}	2109	}
1366	}	2110	}
1367		2111
1368	Carp::carp "unable to resolve path '$path' (base '$base').";	2112	Carp::cluck "unable to resolve path '$path' (base '$base')";
1369	()	2113	()
1370	}	2114	}
1371		2115
		2116	# may re-bless or do other evil things
1372	sub init {	2117	sub init {
1373	my ($self) = @_;	2118	my ($self) = @_;
1374		2119
1375	$self	2120	$self
1376	}	2121	}
…		…
1395		2140
1396	# the temporary/swap location	2141	# the temporary/swap location
1397	sub save_path {	2142	sub save_path {
1398	my ($self) = @_;	2143	my ($self) = @_;
1399		2144
1400	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2145	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1401	"$TMPDIR/$path.map"	2146	"$TMPDIR/$path.map"
1402	}	2147	}
1403		2148
1404	# the unique path, undef == no special unique path	2149	# the unique path, undef == no special unique path
1405	sub uniq_path {	2150	sub uniq_path {
1406	my ($self) = @_;	2151	my ($self) = @_;
1407		2152
1408	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2153	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1409	"$UNIQUEDIR/$path"	2154	"$UNIQUEDIR/$path"
1410	}	2155	}
1411		2156
1412	# and all this just because we cannot iterate over	2157	sub decay_objects {
1413	# all maps in C++...
1414	sub change_all_map_light {
1415	my ($change) = @_;	2158	my ($self) = @_;
1416		2159
1417	$_->change_map_light ($change)	2160	return if $self->{deny_reset};
1418	for grep $_->outdoor, values %cf::MAP;	2161
		2162	$self->do_decay_objects;
1419	}	2163	}
1420		2164
1421	sub unlink_save {	2165	sub unlink_save {
1422	my ($self) = @_;	2166	my ($self) = @_;
1423		2167
…		…
1428		2172
1429	sub load_header_from($) {	2173	sub load_header_from($) {
1430	my ($self, $path) = @_;	2174	my ($self, $path) = @_;
1431		2175
1432	utf8::encode $path;	2176	utf8::encode $path;
1433	#aio_open $path, O_RDONLY, 0	2177	my $f = new_from_file cf::object::thawer $path
1434	# or return;
1435
1436	$self->_load_header ($path)
1437	or return;	2178	or return;
1438		2179
		2180	$self->_load_header ($f)
		2181	or return;
		2182
		2183	local $MAP_LOADING{$self->{path}} = $self;
		2184	$f->resolve_delayed_derefs;
		2185
1439	$self->{load_path} = $path;	2186	$self->{load_path} = $path;
1440		2187
1441	1	2188	1
1442	}	2189	}
1443		2190
		2191	# used to laod the header of an original map
1444	sub load_header_orig {	2192	sub load_header_orig {
1445	my ($self) = @_;	2193	my ($self) = @_;
1446		2194
1447	$self->load_header_from ($self->load_path)	2195	$self->load_header_from ($self->load_path)
1448	}	2196	}
1449		2197
		2198	# used to laod the header of an instantiated map
1450	sub load_header_temp {	2199	sub load_header_temp {
1451	my ($self) = @_;	2200	my ($self) = @_;
1452		2201
1453	$self->load_header_from ($self->save_path)	2202	$self->load_header_from ($self->save_path)
1454	}	2203	}
1455		2204
		2205	# called after loading the header from an instantiated map
1456	sub prepare_temp {	2206	sub prepare_temp {
1457	my ($self) = @_;	2207	my ($self) = @_;
1458		2208
1459	$self->last_access ((delete $self->{last_access})	2209	$self->last_access ((delete $self->{last_access})
1460	|| $cf::RUNTIME); #d#	2210	|| $cf::RUNTIME); #d#
1461	# safety	2211	# safety
1462	$self->{instantiate_time} = $cf::RUNTIME	2212	$self->{instantiate_time} = $cf::RUNTIME
1463	if $self->{instantiate_time} > $cf::RUNTIME;	2213	if $self->{instantiate_time} > $cf::RUNTIME;
1464	}	2214	}
1465		2215
		2216	# called after loading the header from an original map
1466	sub prepare_orig {	2217	sub prepare_orig {
1467	my ($self) = @_;	2218	my ($self) = @_;
1468		2219
1469	$self->{load_original} = 1;	2220	$self->{load_original} = 1;
1470	$self->{instantiate_time} = $cf::RUNTIME;	2221	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1481	$self->load_header_orig	2232	$self->load_header_orig
1482	or return;	2233	or return;
1483	$self->prepare_orig;	2234	$self->prepare_orig;
1484	}	2235	}
1485		2236
		2237	$self->{deny_reset} = 1
		2238	if $self->no_reset;
		2239
1486	$self->default_region (cf::region::find_by_path $self->{path})	2240	$self->default_region (cf::region::find_by_path $self->{path})
1487	unless $self->default_region;	2241	unless $self->default_region;
1488		2242
1489	1	2243	1
1490	}	2244	}
1491		2245
1492	sub find;	2246	sub find;
1493	sub find {	2247	sub find {
1494	my ($path, $origin) = @_;	2248	my ($path, $origin) = @_;
1495		2249
		2250	cf::cede_to_tick;
		2251
1496	$path = normalise $path, $origin && $origin->path;	2252	$path = normalise $path, $origin;
1497		2253
		2254	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1498	cf::lock_wait "map_find:$path";	2255	my $guard2 = cf::lock_acquire "map_find:$path";
1499		2256
1500	$cf::MAP{$path} || do {	2257	$cf::MAP{$path} || do {
1501	my $guard = cf::lock_acquire "map_find:$path";
1502	my $map = new_from_path cf::map $path	2258	my $map = new_from_path cf::map $path
1503	or return;	2259	or return;
1504		2260
1505	$map->{last_save} = $cf::RUNTIME;	2261	$map->{last_save} = $cf::RUNTIME;
1506		2262
1507	$map->load_header	2263	$map->load_header
1508	or return;	2264	or return;
1509		2265
1510	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2266	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1511	# doing this can freeze the server in a sync job, obviously	2267	# doing this can freeze the server in a sync job, obviously
1512	#$cf::WAIT_FOR_TICK->wait;	2268	#$cf::WAIT_FOR_TICK->wait;
		2269	undef $guard2;
		2270	undef $guard1;
1513	$map->reset;	2271	$map->reset;
1514	undef $guard;
1515	return find $path;	2272	return find $path;
1516	}	2273	}
1517		2274
1518	$cf::MAP{$path} = $map	2275	$cf::MAP{$path} = $map
1519	}	2276	}
1520	}	2277	}
1521		2278
1522	sub pre_load { }	2279	sub pre_load { }
1523	sub post_load { }	2280	#sub post_load { } # XS
1524		2281
1525	sub load {	2282	sub load {
1526	my ($self) = @_;	2283	my ($self) = @_;
1527		2284
1528	local $self->{deny_reset} = 1; # loading can take a long time	2285	local $self->{deny_reset} = 1; # loading can take a long time
1529		2286
1530	my $path = $self->{path};	2287	my $path = $self->{path};
1531		2288
1532	{	2289	{
1533	my $guard = cf::lock_acquire "map_load:$path";	2290	my $guard = cf::lock_acquire "map_data:$path";
1534		2291
		2292	return unless $self->valid;
1535	return if $self->in_memory != cf::MAP_SWAPPED;	2293	return unless $self->state == cf::MAP_SWAPPED;
1536
1537	$self->in_memory (cf::MAP_LOADING);
1538		2294
1539	$self->alloc;	2295	$self->alloc;
1540		2296
1541	$self->pre_load;	2297	$self->pre_load;
1542	Coro::cede;	2298	cf::cede_to_tick;
1543		2299
1544	$self->_load_objects ($self->{load_path}, 1)	2300	if (exists $self->{load_path}) {
		2301	my $f = new_from_file cf::object::thawer $self->{load_path};
		2302	$f->skip_block;
		2303	$self->_load_objects ($f)
1545	or return;	2304	or return;
1546		2305
1547	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2306	$self->post_load_original
1548	if delete $self->{load_original};	2307	if delete $self->{load_original};
1549		2308
1550	if (my $uniq = $self->uniq_path) {	2309	if (my $uniq = $self->uniq_path) {
1551	utf8::encode $uniq;	2310	utf8::encode $uniq;
1552	if (aio_open $uniq, O_RDONLY, 0) {	2311	unless (aio_stat $uniq) {
		2312	if (my $f = new_from_file cf::object::thawer $uniq) {
1553	$self->clear_unique_items;	2313	$self->clear_unique_items;
1554	$self->_load_objects ($uniq, 0);	2314	$self->_load_objects ($f);
		2315	$f->resolve_delayed_derefs;
		2316	}
		2317	}
1555	}	2318	}
1556	}
1557		2319
1558	Coro::cede;	2320	$f->resolve_delayed_derefs;
		2321	} else {
		2322	$self->post_load_original
		2323	if delete $self->{load_original};
		2324	}
		2325
		2326	$self->state (cf::MAP_INACTIVE);
		2327
		2328	cf::cede_to_tick;
1559	# now do the right thing for maps	2329	# now do the right thing for maps
1560	$self->link_multipart_objects;	2330	$self->link_multipart_objects;
1561	$self->difficulty ($self->estimate_difficulty)	2331	$self->difficulty ($self->estimate_difficulty)
1562	unless $self->difficulty;	2332	unless $self->difficulty;
1563	Coro::cede;	2333	cf::cede_to_tick;
1564		2334
1565	unless ($self->{deny_activate}) {	2335	unless ($self->{deny_activate}) {
1566	$self->decay_objects;	2336	$self->decay_objects;
1567	$self->fix_auto_apply;	2337	$self->fix_auto_apply;
1568	$self->update_buttons;	2338	$self->update_buttons;
1569	Coro::cede;	2339	cf::cede_to_tick;
1570	$self->set_darkness_map;	2340	#$self->activate; # no longer activate maps automatically
1571	Coro::cede;
1572	$self->activate;
1573	}	2341	}
1574		2342
1575	$self->in_memory (cf::MAP_IN_MEMORY);	2343	$self->{last_save} = $cf::RUNTIME;
		2344	$self->last_access ($cf::RUNTIME);
1576	}	2345	}
1577		2346
1578	$self->post_load;	2347	$self->post_load;
1579	}
1580		2348
		2349	1
		2350	}
		2351
		2352	# customize the map for a given player, i.e.
		2353	# return the _real_ map. used by e.g. per-player
		2354	# maps to change the path to ~playername/mappath
1581	sub customise_for {	2355	sub customise_for {
1582	my ($self, $ob) = @_;	2356	my ($self, $ob) = @_;
1583		2357
1584	return find "~" . $ob->name . "/" . $self->{path}	2358	return find "~" . $ob->name . "/" . $self->{path}
1585	if $self->per_player;	2359	if $self->per_player;
1586		2360
		2361	# return find "?party/" . $ob->name . "/" . $self->{path}
		2362	# if $self->per_party;
		2363
1587	$self	2364	$self
1588	}
1589
1590	# find and load all maps in the 3x3 area around a map
1591	sub load_diag {
1592	my ($map) = @_;
1593
1594	my @diag; # diagonal neighbours
1595
1596	for (0 .. 3) {
1597	my $neigh = $map->tile_path ($_)
1598	or next;
1599	$neigh = find $neigh, $map
1600	or next;
1601	$neigh->load;
1602
1603	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1604	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1605	}
1606
1607	for (@diag) {
1608	my $neigh = find @$_
1609	or next;
1610	$neigh->load;
1611	}
1612	}	2365	}
1613		2366
1614	sub find_sync {	2367	sub find_sync {
1615	my ($path, $origin) = @_;	2368	my ($path, $origin) = @_;
1616		2369
1617	cf::sync_job { find $path, $origin }	2370	# it's a bug to call this from the main context
		2371	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2372	if $Coro::current == $Coro::main;
		2373
		2374	find $path, $origin
1618	}	2375	}
1619		2376
1620	sub do_load_sync {	2377	sub do_load_sync {
1621	my ($map) = @_;	2378	my ($map) = @_;
1622		2379
1623	cf::sync_job { $map->load };	2380	# it's a bug to call this from the main context
		2381	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2382	if $Coro::current == $Coro::main;
		2383
		2384	$map->load;
1624	}	2385	}
1625		2386
1626	our %MAP_PREFETCH;	2387	our %MAP_PREFETCH;
1627	our $MAP_PREFETCHER = undef;	2388	our $MAP_PREFETCHER = undef;
1628		2389
1629	sub find_async {	2390	sub find_async {
1630	my ($path, $origin) = @_;	2391	my ($path, $origin, $load) = @_;
1631		2392
1632	$path = normalise $path, $origin && $origin->{path};	2393	$path = normalise $path, $origin;
1633		2394
1634	if (my $map = $cf::MAP{$path}) {	2395	if (my $map = $cf::MAP{$path}) {
1635	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2396	return $map if !$load || $map->linkable;
1636	}	2397	}
1637		2398
1638	undef $MAP_PREFETCH{$path};	2399	$MAP_PREFETCH{$path} |= $load;
		2400
1639	$MAP_PREFETCHER ||= cf::async {	2401	$MAP_PREFETCHER ||= cf::async {
		2402	$Coro::current->{desc} = "map prefetcher";
		2403
1640	while (%MAP_PREFETCH) {	2404	while (%MAP_PREFETCH) {
1641	for my $path (keys %MAP_PREFETCH) {	2405	for my $k (keys %MAP_PREFETCH) {
1642	my $map = find $path	2406	if (my $map = find $k) {
1643	or next;	2407	$map->load if $MAP_PREFETCH{$k};
1644	$map->load;	2408	}
1645		2409
1646	delete $MAP_PREFETCH{$path};	2410	delete $MAP_PREFETCH{$k};
1647	}	2411	}
1648	}	2412	}
1649	undef $MAP_PREFETCHER;	2413	undef $MAP_PREFETCHER;
1650	};	2414	};
1651	$MAP_PREFETCHER->prio (6);	2415	$MAP_PREFETCHER->prio (6);
1652		2416
1653	()	2417	()
1654	}	2418	}
1655		2419
		2420	# common code, used by both ->save and ->swapout
1656	sub save {	2421	sub _save {
1657	my ($self) = @_;	2422	my ($self) = @_;
1658
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;
1660		2423
1661	$self->{last_save} = $cf::RUNTIME;	2424	$self->{last_save} = $cf::RUNTIME;
1662		2425
1663	return unless $self->dirty;	2426	return unless $self->dirty;
1664		2427
…		…
1670	return if $self->{deny_save};	2433	return if $self->{deny_save};
1671		2434
1672	local $self->{last_access} = $self->last_access;#d#	2435	local $self->{last_access} = $self->last_access;#d#
1673		2436
1674	cf::async {	2437	cf::async {
		2438	$Coro::current->{desc} = "map player save";
1675	$_->contr->save for $self->players;	2439	$_->contr->save for $self->players;
1676	};	2440	};
		2441
		2442	cf::get_slot 0.02;
1677		2443
1678	if ($uniq) {	2444	if ($uniq) {
1679	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2445	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1680	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2446	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1681	} else {	2447	} else {
1682	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2448	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1683	}	2449	}
1684	}	2450	}
1685		2451
		2452	sub save {
		2453	my ($self) = @_;
		2454
		2455	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2456
		2457	$self->_save;
		2458	}
		2459
1686	sub swap_out {	2460	sub swap_out {
1687	my ($self) = @_;	2461	my ($self) = @_;
1688		2462
1689	# save first because save cedes
1690	$self->save;
1691
1692	my $lock = cf::lock_acquire "map_data:" . $self->path;	2463	my $lock = cf::lock_acquire "map_data:$self->{path}";
1693		2464
		2465	return if !$self->linkable;
		2466	return if $self->{deny_save};
1694	return if $self->players;	2467	return if $self->players;
1695	return if $self->in_memory != cf::MAP_IN_MEMORY;
1696	return if $self->{deny_save};
1697		2468
		2469	# first deactivate the map and "unlink" it from the core
		2470	$self->deactivate;
		2471	$_->clear_links_to ($self) for values %cf::MAP;
		2472	$self->state (cf::MAP_SWAPPED);
		2473
		2474	# then atomically save
		2475	$self->_save;
		2476
		2477	# then free the map
1698	$self->clear;	2478	$self->clear;
1699	$self->in_memory (cf::MAP_SWAPPED);
1700	}	2479	}
1701		2480
1702	sub reset_at {	2481	sub reset_at {
1703	my ($self) = @_;	2482	my ($self) = @_;
1704		2483
1705	# TODO: safety, remove and allow resettable per-player maps	2484	# TODO: safety, remove and allow resettable per-player maps
1706	return 1e99 if $self->isa ("ext::map_per_player");#d#
1707	return 1e99 if $self->{deny_reset};	2485	return 1e99 if $self->{deny_reset};
1708		2486
1709	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2487	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1710	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2488	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1711		2489
…		…
1722	my ($self) = @_;	2500	my ($self) = @_;
1723		2501
1724	my $lock = cf::lock_acquire "map_data:$self->{path}";	2502	my $lock = cf::lock_acquire "map_data:$self->{path}";
1725		2503
1726	return if $self->players;	2504	return if $self->players;
1727	return if $self->isa ("ext::map_per_player");#d#
1728		2505
1729	warn "resetting map ", $self->path;	2506	cf::trace "resetting map ", $self->path, "\n";
1730		2507
1731	$self->in_memory (cf::MAP_SWAPPED);	2508	$self->state (cf::MAP_SWAPPED);
1732		2509
1733	# need to save uniques path	2510	# need to save uniques path
1734	unless ($self->{deny_save}) {	2511	unless ($self->{deny_save}) {
1735	my $uniq = $self->uniq_path; utf8::encode $uniq;	2512	my $uniq = $self->uniq_path; utf8::encode $uniq;
1736		2513
…		…
1738	if $uniq;	2515	if $uniq;
1739	}	2516	}
1740		2517
1741	delete $cf::MAP{$self->path};	2518	delete $cf::MAP{$self->path};
1742		2519
		2520	$self->deactivate;
		2521	$_->clear_links_to ($self) for values %cf::MAP;
1743	$self->clear;	2522	$self->clear;
1744
1745	$_->clear_links_to ($self) for values %cf::MAP;
1746		2523
1747	$self->unlink_save;	2524	$self->unlink_save;
1748	$self->destroy;	2525	$self->destroy;
1749	}	2526	}
1750		2527
1751	my $nuke_counter = "aaaa";	2528	my $nuke_counter = "aaaa";
1752		2529
1753	sub nuke {	2530	sub nuke {
1754	my ($self) = @_;	2531	my ($self) = @_;
1755		2532
		2533	{
		2534	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2535
1756	delete $cf::MAP{$self->path};	2536	delete $cf::MAP{$self->path};
1757		2537
1758	$self->unlink_save;	2538	$self->unlink_save;
1759		2539
1760	bless $self, "cf::map";	2540	bless $self, "cf::map::wrap";
1761	delete $self->{deny_reset};	2541	delete $self->{deny_reset};
1762	$self->{deny_save} = 1;	2542	$self->{deny_save} = 1;
1763	$self->reset_timeout (1);	2543	$self->reset_timeout (1);
1764	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2544	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1765		2545
1766	$cf::MAP{$self->path} = $self;	2546	$cf::MAP{$self->path} = $self;
		2547	}
1767		2548
1768	$self->reset; # polite request, might not happen	2549	$self->reset; # polite request, might not happen
		2550	}
		2551
		2552	=item $maps = cf::map::tmp_maps
		2553
		2554	Returns an arrayref with all map paths of currently instantiated and saved
		2555	maps. May block.
		2556
		2557	=cut
		2558
		2559	sub tmp_maps() {
		2560	[
		2561	map {
		2562	utf8::decode $_;
		2563	/\.map$/
		2564	? normalise $_
		2565	: ()
		2566	} @{ aio_readdir $TMPDIR or [] }
		2567	]
		2568	}
		2569
		2570	=item $maps = cf::map::random_maps
		2571
		2572	Returns an arrayref with all map paths of currently instantiated and saved
		2573	random maps. May block.
		2574
		2575	=cut
		2576
		2577	sub random_maps() {
		2578	[
		2579	map {
		2580	utf8::decode $_;
		2581	/\.map$/
		2582	? normalise "?random/$_"
		2583	: ()
		2584	} @{ aio_readdir $RANDOMDIR or [] }
		2585	]
1769	}	2586	}
1770		2587
1771	=item cf::map::unique_maps	2588	=item cf::map::unique_maps
1772		2589
1773	Returns an arrayref of paths of all shared maps that have	2590	Returns an arrayref of paths of all shared maps that have
1774	instantiated unique items. May block.	2591	instantiated unique items. May block.
1775		2592
1776	=cut	2593	=cut
1777		2594
1778	sub unique_maps() {	2595	sub unique_maps() {
1779	my $files = aio_readdir $UNIQUEDIR	2596	[
1780	or return;	2597	map {
1781
1782	my @paths;
1783
1784	for (@$files) {
1785	utf8::decode $_;	2598	utf8::decode $_;
1786	next if /\.pst$/;	2599	s/\.map$//; # TODO future compatibility hack
1787	next unless /^$PATH_SEP/o;	2600	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1788		2601	? ()
1789	push @paths, cf::map::normalise $_;	2602	: normalise $_
		2603	} @{ aio_readdir $UNIQUEDIR or [] }
1790	}	2604	]
1791
1792	\@paths
1793	}	2605	}
1794		2606
1795	package cf;	2607	=item cf::map::static_maps
		2608
		2609	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2610	file in the shared directory excluding F</styles> and F</editor>). May
		2611	block.
		2612
		2613	=cut
		2614
		2615	sub static_maps() {
		2616	my @dirs = "";
		2617	my @maps;
		2618
		2619	while (@dirs) {
		2620	my $dir = shift @dirs;
		2621
		2622	next if $dir eq "/styles" || $dir eq "/editor";
		2623
		2624	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2625	or return;
		2626
		2627	for (@$files) {
		2628	s/\.map$// or next;
		2629	utf8::decode $_;
		2630	push @maps, "$dir/$_";
		2631	}
		2632
		2633	push @dirs, map "$dir/$_", @$dirs;
		2634	}
		2635
		2636	\@maps
		2637	}
1796		2638
1797	=back	2639	=back
1798		2640
1799	=head3 cf::object	2641	=head3 cf::object
1800		2642
…		…
1804		2646
1805	=over 4	2647	=over 4
1806		2648
1807	=item $ob->inv_recursive	2649	=item $ob->inv_recursive
1808		2650
1809	Returns the inventory of the object _and_ their inventories, recursively.	2651	Returns the inventory of the object I<and> their inventories, recursively,
		2652	but I<not> the object itself.
1810		2653
1811	=cut	2654	=cut
1812		2655
1813	sub inv_recursive_;	2656	sub inv_recursive_;
1814	sub inv_recursive_ {	2657	sub inv_recursive_ {
…		…
1817		2660
1818	sub inv_recursive {	2661	sub inv_recursive {
1819	inv_recursive_ inv $_[0]	2662	inv_recursive_ inv $_[0]
1820	}	2663	}
1821		2664
		2665	=item $ref = $ob->ref
		2666
		2667	Creates and returns a persistent reference to an object that can be stored as a string.
		2668
		2669	=item $ob = cf::object::deref ($refstring)
		2670
		2671	returns the objetc referenced by refstring. may return undef when it cannot find the object,
		2672	even if the object actually exists. May block.
		2673
		2674	=cut
		2675
		2676	sub deref {
		2677	my ($ref) = @_;
		2678
		2679	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2680	my ($uuid, $name) = ($1, $2);
		2681	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2682	or return;
		2683	$pl->ob->uuid eq $uuid
		2684	or return;
		2685
		2686	$pl->ob
		2687	} else {
		2688	warn "$ref: cannot resolve object reference\n";
		2689	undef
		2690	}
		2691	}
		2692
1822	package cf;	2693	package cf;
1823		2694
1824	=back	2695	=back
1825		2696
1826	=head3 cf::object::player	2697	=head3 cf::object::player
…		…
1832	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2703	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1833	can be C<undef>. Does the right thing when the player is currently in a	2704	can be C<undef>. Does the right thing when the player is currently in a
1834	dialogue with the given NPC character.	2705	dialogue with the given NPC character.
1835		2706
1836	=cut	2707	=cut
		2708
		2709	our $SAY_CHANNEL = {
		2710	id => "say",
		2711	title => "Map",
		2712	reply => "say ",
		2713	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2714	};
		2715
		2716	our $CHAT_CHANNEL = {
		2717	id => "chat",
		2718	title => "Chat",
		2719	reply => "chat ",
		2720	tooltip => "Player chat and shouts, global to the server.",
		2721	};
1837		2722
1838	# rough implementation of a future "reply" method that works	2723	# rough implementation of a future "reply" method that works
1839	# with dialog boxes.	2724	# with dialog boxes.
1840	#TODO: the first argument must go, split into a $npc->reply_to ( method	2725	#TODO: the first argument must go, split into a $npc->reply_to ( method
1841	sub cf::object::player::reply($$$;$) {	2726	sub cf::object::player::reply($$$;$) {
…		…
1843		2728
1844	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2729	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1845		2730
1846	if ($self->{record_replies}) {	2731	if ($self->{record_replies}) {
1847	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2732	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2733
1848	} else {	2734	} else {
		2735	my $pl = $self->contr;
		2736
		2737	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2738	my $dialog = $pl->{npc_dialog};
		2739	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2740
		2741	} else {
1849	$msg = $npc->name . " says: $msg" if $npc;	2742	$msg = $npc->name . " says: $msg" if $npc;
1850	$self->message ($msg, $flags);	2743	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2744	}
1851	}	2745	}
		2746	}
		2747
		2748	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2749
		2750	=cut
		2751
		2752	sub cf::object::send_msg {
		2753	my $pl = shift->contr
		2754	or return;
		2755	$pl->send_msg (@_);
1852	}	2756	}
1853		2757
1854	=item $player_object->may ("access")	2758	=item $player_object->may ("access")
1855		2759
1856	Returns wether the given player is authorized to access resource "access"	2760	Returns wether the given player is authorized to access resource "access"
1857	(e.g. "command_wizcast").	2761	(e.g. "command_wizcast").
1858		2762
		2763	This is implemented by checking a config setting of C<may_access> where
		2764	C<access> is replaced by the access string. The following alternatives are
		2765	possible (and are tested in order):
		2766
		2767	=over 4
		2768
		2769	=item * Player is DM
		2770
		2771	The request will succeed.
		2772
		2773	=item * may_access is an array reference
		2774
		2775	If either the player nickname or UUID is in the array, the request will
		2776	succeed, otherwise it will fail.
		2777
		2778	=item * may_access is a true value
		2779
		2780	The request will succeed.
		2781
		2782	=item * may_access is missing or false
		2783
		2784	The request will fail.
		2785
		2786	=back
		2787
1859	=cut	2788	=cut
1860		2789
1861	sub cf::object::player::may {	2790	sub cf::object::player::may {
1862	my ($self, $access) = @_;	2791	my ($self, $access) = @_;
1863		2792
1864	$self->flag (cf::FLAG_WIZ) ||	2793	$self->flag (cf::FLAG_WIZ) ||
1865	(ref $cf::CFG{"may_$access"}	2794	(ref $cf::CFG{"may_$access"}
1866	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2795	? scalar grep $self->name eq $_ || $self->uuid eq $_, @{$cf::CFG{"may_$access"}}
1867	: $cf::CFG{"may_$access"})	2796	: $cf::CFG{"may_$access"})
1868	}	2797	}
1869		2798
1870	=item $player_object->enter_link	2799	=item $player_object->enter_link
1871		2800
1872	Freezes the player and moves him/her to a special map (C<{link}>).	2801	Freezes the player and moves him/her to a special map (C<{link}>).
1873		2802
1874	The player should be reasonably safe there for short amounts of time. You	2803	The player should be reasonably safe there for short amounts of time (e.g.
1875	I<MUST> call C<leave_link> as soon as possible, though.	2804	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2805	though, as the player cannot control the character while it is on the link
		2806	map.
1876		2807
1877	Will never block.	2808	This method will never block, which is the whole reaosn for it's
		2809	existance: you can I<always> put a player onto the link map, which is the
		2810	only place to put objects that is guaranteed to exist.
		2811
		2812	A typical usage pattern is to call C<enter_link> synchronously from the
		2813	server, then start a new thread, do your blocking stuff there and then
		2814	call C<leave_link> from that thread.
1878		2815
1879	=item $player_object->leave_link ($map, $x, $y)	2816	=item $player_object->leave_link ($map, $x, $y)
1880		2817
1881	Moves the player out of the special C<{link}> map onto the specified	2818	Moves the player out of the special C<{link}> map onto the specified
1882	map. If the map is not valid (or omitted), the player will be moved back	2819	map. If the map is not valid (or omitted), the player will be moved back
…		…
1900	sub cf::object::player::enter_link {	2837	sub cf::object::player::enter_link {
1901	my ($self) = @_;	2838	my ($self) = @_;
1902		2839
1903	$self->deactivate_recursive;	2840	$self->deactivate_recursive;
1904		2841
		2842	++$self->{_link_recursion};
		2843
1905	return if UNIVERSAL::isa $self->map, "ext::map_link";	2844	return if UNIVERSAL::isa $self->map, "ext::map_link";
1906		2845
1907	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2846	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1908	if $self->map && $self->map->{path} ne "{link}";	2847	if $self->map && $self->map->{path} ne "{link}";
1909		2848
1910	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2849	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1911	}	2850	}
1912		2851
1913	sub cf::object::player::leave_link {	2852	sub cf::object::player::leave_link {
1914	my ($self, $map, $x, $y) = @_;	2853	my ($self, $map, $x, $y) = @_;
1915		2854
…		…
1932	($x, $y) = (-1, -1)	2871	($x, $y) = (-1, -1)
1933	unless (defined $x) && (defined $y);	2872	unless (defined $x) && (defined $y);
1934		2873
1935	# use -1 or undef as default coordinates, not 0, 0	2874	# use -1 or undef as default coordinates, not 0, 0
1936	($x, $y) = ($map->enter_x, $map->enter_y)	2875	($x, $y) = ($map->enter_x, $map->enter_y)
1937	if $x <=0 && $y <= 0;	2876	if $x <= 0 && $y <= 0;
1938		2877
1939	$map->load;	2878	$map->load;
1940	$map->load_diag;
1941		2879
1942	return unless $self->contr->active;	2880	return unless $self->contr->active;
1943	$self->activate_recursive;
1944		2881
1945	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2882	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1946	$self->enter_map ($map, $x, $y);	2883	if ($self->enter_map ($map, $x, $y)) {
1947	}	2884	# entering was successful
		2885	delete $self->{_link_recursion};
		2886	# only activate afterwards, to support waiting in hooks
		2887	$self->activate_recursive;
		2888	}
1948		2889
		2890	}
		2891
1949	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2892	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1950		2893
1951	Moves the player to the given map-path and coordinates by first freezing	2894	Moves the player to the given map-path and coordinates by first freezing
1952	her, loading and preparing them map, calling the provided $check callback	2895	her, loading and preparing them map, calling the provided $check callback
1953	that has to return the map if sucecssful, and then unfreezes the player on	2896	that has to return the map if sucecssful, and then unfreezes the player on
1954	the new (success) or old (failed) map position.	2897	the new (success) or old (failed) map position. In either case, $done will
		2898	be called at the end of this process.
		2899
		2900	Note that $check will be called with a potentially non-loaded map, so if
		2901	it needs a loaded map it has to call C<< ->load >>.
1955		2902
1956	=cut	2903	=cut
1957		2904
1958	our $GOTOGEN;	2905	our $GOTOGEN;
1959		2906
1960	sub cf::object::player::goto {	2907	sub cf::object::player::goto {
1961	my ($self, $path, $x, $y, $check) = @_;	2908	my ($self, $path, $x, $y, $check, $done) = @_;
		2909
		2910	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2911	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2912	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2913	($path, $x, $y) = @$EMERGENCY_POSITION;
		2914	}
1962		2915
1963	# do generation counting so two concurrent goto's will be executed in-order	2916	# do generation counting so two concurrent goto's will be executed in-order
1964	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2917	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1965		2918
1966	$self->enter_link;	2919	$self->enter_link;
1967		2920
1968	(async {	2921	(async {
		2922	$Coro::current->{desc} = "player::goto $path $x $y";
		2923
		2924	# *tag paths override both path and x|y
		2925	if ($path =~ /^\*(.*)$/) {
		2926	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2927	my $ob = $obs[rand @obs];
		2928
		2929	# see if we actually can go there
		2930	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2931	$ob = $obs[rand @obs];
		2932	} else {
		2933	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2934	}
		2935	# else put us there anyways for now #d#
		2936
		2937	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2938	} else {
		2939	($path, $x, $y) = (undef, undef, undef);
		2940	}
		2941	}
		2942
1969	my $map = eval {	2943	my $map = eval {
1970	my $map = cf::map::find $path;	2944	my $map = defined $path ? cf::map::find $path, $self->map : undef;
1971		2945
1972	if ($map) {	2946	if ($map) {
1973	$map = $map->customise_for ($self);	2947	$map = $map->customise_for ($self);
1974	$map = $check->($map) if $check && $map;	2948	$map = $check->($map, $x, $y, $self) if $check && $map;
1975	} else {	2949	} else {
1976	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2950	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1977	}	2951	}
1978		2952
1979	$map	2953	$map
1980	};	2954	};
1981		2955
…		…
1986		2960
1987	if ($gen == $self->{_goto_generation}) {	2961	if ($gen == $self->{_goto_generation}) {
1988	delete $self->{_goto_generation};	2962	delete $self->{_goto_generation};
1989	$self->leave_link ($map, $x, $y);	2963	$self->leave_link ($map, $x, $y);
1990	}	2964	}
		2965
		2966	$done->($self) if $done;
1991	})->prio (1);	2967	})->prio (1);
1992	}	2968	}
1993		2969
1994	=item $player_object->enter_exit ($exit_object)	2970	=item $player_object->enter_exit ($exit_object)
1995		2971
…		…
2015	}	2991	}
2016		2992
2017	sub prepare_random_map {	2993	sub prepare_random_map {
2018	my ($exit) = @_;	2994	my ($exit) = @_;
2019		2995
2020	my $guard = cf::lock_acquire "exit_prepare:$exit";
2021
2022	# all this does is basically replace the /! path by	2996	# all this does is basically replace the /! path by
2023	# a new random map path (?random/...) with a seed	2997	# a new random map path (?random/...) with a seed
2024	# that depends on the exit object	2998	# that depends on the exit object
2025		2999
2026	my $rmp = parse_random_map_params $exit->msg;	3000	my $rmp = parse_random_map_params $exit->msg;
…		…
2028	if ($exit->map) {	3002	if ($exit->map) {
2029	$rmp->{region} = $exit->region->name;	3003	$rmp->{region} = $exit->region->name;
2030	$rmp->{origin_map} = $exit->map->path;	3004	$rmp->{origin_map} = $exit->map->path;
2031	$rmp->{origin_x} = $exit->x;	3005	$rmp->{origin_x} = $exit->x;
2032	$rmp->{origin_y} = $exit->y;	3006	$rmp->{origin_y} = $exit->y;
		3007
		3008	$exit->map->touch;
2033	}	3009	}
2034		3010
2035	$rmp->{random_seed} ||= $exit->random_seed;	3011	$rmp->{random_seed} ||= $exit->random_seed;
2036		3012
2037	my $data = cf::to_json $rmp;	3013	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2038	my $md5 = Digest::MD5::md5_hex $data;	3014	my $md5 = Digest::MD5::md5_hex $data;
2039	my $meta = "$RANDOMDIR/$md5.meta";	3015	my $meta = "$RANDOMDIR/$md5.meta";
2040		3016
2041	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	3017	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2042	aio_write $fh, 0, (length $data), $data, 0;	3018	aio_write $fh, 0, (length $data), $data, 0;
2043	undef $fh;	3019	undef $fh;
2044	aio_rename "$meta~", $meta;	3020	aio_rename "$meta~", $meta;
2045		3021
		3022	my $slaying = "?random/$md5";
		3023
		3024	if ($exit->valid) {
2046	$exit->slaying ("?random/$md5");	3025	$exit->slaying ("?random/$md5");
2047	$exit->msg (undef);	3026	$exit->msg (undef);
		3027	}
2048	}	3028	}
2049	}	3029	}
2050		3030
2051	sub cf::object::player::enter_exit {	3031	sub cf::object::player::enter_exit {
2052	my ($self, $exit) = @_;	3032	my ($self, $exit) = @_;
2053		3033
2054	return unless $self->type == cf::PLAYER;	3034	return unless $self->type == cf::PLAYER;
2055		3035
2056	if ($exit->slaying eq "/!") {
2057	#TODO: this should de-fi-ni-te-ly not be a sync-job
2058	# the problem is that $exit might not survive long enough
2059	# so it needs to be done right now, right here
2060	cf::sync_job { prepare_random_map $exit };
2061	}
2062
2063	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2064	my $hp = $exit->stats->hp;
2065	my $sp = $exit->stats->sp;
2066
2067	$self->enter_link;	3036	$self->enter_link;
2068		3037
2069	(async {	3038	(async {
2070	$self->deactivate_recursive; # just to be sure	3039	$Coro::current->{desc} = "enter_exit";
		3040
2071	unless (eval {	3041	unless (eval {
		3042	$self->deactivate_recursive; # just to be sure
		3043
		3044	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3045	my $x = $exit->stats->hp;
		3046	my $y = $exit->stats->sp;
		3047
		3048	# special map handling
		3049	my $slaying = $exit->slaying;
		3050
		3051	# special map handling
		3052	if ($slaying eq "/!") {
		3053	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3054
		3055	prepare_random_map $exit
		3056	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3057
		3058	$map = $exit->slaying;
		3059
		3060	} elsif ($slaying eq '!up') {
		3061	$map = $exit->map->tile_path (cf::TILE_UP);
		3062	$x = $exit->x;
		3063	$y = $exit->y;
		3064
		3065	} elsif ($slaying eq '!down') {
		3066	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3067	$x = $exit->x;
		3068	$y = $exit->y;
		3069	}
		3070
2072	$self->goto ($slaying, $hp, $sp);	3071	$self->goto ($map, $x, $y);
2073		3072
		3073	# if exit is damned, update players death & WoR home-position
		3074	$self->contr->savebed ($map, $x, $y)
		3075	if $exit->flag (cf::FLAG_DAMNED);
		3076
2074	1;	3077	1
2075	}) {	3078	}) {
2076	$self->message ("Something went wrong deep within the crossfire server. "	3079	$self->message ("Something went wrong deep within the deliantra server. "
2077	. "I'll try to bring you back to the map you were before. "	3080	. "I'll try to bring you back to the map you were before. "
2078	. "Please report this to the dungeon master!",	3081	. "Please report this to the dungeon master!",
2079	cf::NDI_UNIQUE | cf::NDI_RED);	3082	cf::NDI_UNIQUE | cf::NDI_RED);
2080		3083
2081	warn "ERROR in enter_exit: $@";	3084	error "ERROR in enter_exit: $@";
2082	$self->leave_link;	3085	$self->leave_link;
2083	}	3086	}
2084	})->prio (1);	3087	})->prio (1);
2085	}	3088	}
2086		3089
2087	=head3 cf::client	3090	=head3 cf::client
2088		3091
2089	=over 4	3092	=over 4
2090		3093
2091	=item $client->send_drawinfo ($text, $flags)	3094	=item $client->send_big_packet ($pkt)
2092		3095
2093	Sends a drawinfo packet to the client. Circumvents output buffering so	3096	Like C<send_packet>, but tries to compress large packets, and fragments
2094	should not be used under normal circumstances.	3097	them as required.
2095		3098
2096	=cut	3099	=cut
2097		3100
		3101	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3102
		3103	sub cf::client::send_big_packet {
		3104	my ($self, $pkt) = @_;
		3105
		3106	# try lzf for large packets
		3107	$pkt = "lzf " . Compress::LZF::compress $pkt
		3108	if 1024 <= length $pkt and $self->{can_lzf};
		3109
		3110	# split very large packets
		3111	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3112	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3113	$pkt = "frag";
		3114	}
		3115
		3116	$self->send_packet ($pkt);
		3117	}
		3118
		3119	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3120
		3121	Send a msg packet to the client, formatting the msg for the client if
		3122	necessary. C<$type> should be a string identifying the type of the
		3123	message, with C<log> being the default. If C<$color> is negative, suppress
		3124	the message unless the client supports the msg packet.
		3125
		3126	=cut
		3127
		3128	# non-persistent channels (usually the info channel)
		3129	our %CHANNEL = (
		3130	"c/motd" => {
		3131	id => "infobox",
		3132	title => "MOTD",
		3133	reply => undef,
		3134	tooltip => "The message of the day",
		3135	},
		3136	"c/identify" => {
		3137	id => "infobox",
		3138	title => "Identify",
		3139	reply => undef,
		3140	tooltip => "Items recently identified",
		3141	},
		3142	"c/examine" => {
		3143	id => "infobox",
		3144	title => "Examine",
		3145	reply => undef,
		3146	tooltip => "Signs and other items you examined",
		3147	},
		3148	"c/shopinfo" => {
		3149	id => "infobox",
		3150	title => "Shop Info",
		3151	reply => undef,
		3152	tooltip => "What your bargaining skill tells you about the shop",
		3153	},
		3154	"c/book" => {
		3155	id => "infobox",
		3156	title => "Book",
		3157	reply => undef,
		3158	tooltip => "The contents of a note or book",
		3159	},
		3160	"c/lookat" => {
		3161	id => "infobox",
		3162	title => "Look",
		3163	reply => undef,
		3164	tooltip => "What you saw there",
		3165	},
		3166	"c/who" => {
		3167	id => "infobox",
		3168	title => "Players",
		3169	reply => undef,
		3170	tooltip => "Shows players who are currently online",
		3171	},
		3172	"c/body" => {
		3173	id => "infobox",
		3174	title => "Body Parts",
		3175	reply => undef,
		3176	tooltip => "Shows which body parts you possess and are available",
		3177	},
		3178	"c/statistics" => {
		3179	id => "infobox",
		3180	title => "Statistics",
		3181	reply => undef,
		3182	tooltip => "Shows your primary statistics",
		3183	},
		3184	"c/skills" => {
		3185	id => "infobox",
		3186	title => "Skills",
		3187	reply => undef,
		3188	tooltip => "Shows your experience per skill and item power",
		3189	},
		3190	"c/shopitems" => {
		3191	id => "infobox",
		3192	title => "Shop Items",
		3193	reply => undef,
		3194	tooltip => "Shows the items currently for sale in this shop",
		3195	},
		3196	"c/resistances" => {
		3197	id => "infobox",
		3198	title => "Resistances",
		3199	reply => undef,
		3200	tooltip => "Shows your resistances",
		3201	},
		3202	"c/pets" => {
		3203	id => "infobox",
		3204	title => "Pets",
		3205	reply => undef,
		3206	tooltip => "Shows information abotu your pets/a specific pet",
		3207	},
		3208	"c/perceiveself" => {
		3209	id => "infobox",
		3210	title => "Perceive Self",
		3211	reply => undef,
		3212	tooltip => "You gained detailed knowledge about yourself",
		3213	},
		3214	"c/uptime" => {
		3215	id => "infobox",
		3216	title => "Uptime",
		3217	reply => undef,
		3218	tooltip => "How long the server has been running since last restart",
		3219	},
		3220	"c/mapinfo" => {
		3221	id => "infobox",
		3222	title => "Map Info",
		3223	reply => undef,
		3224	tooltip => "Information related to the maps",
		3225	},
		3226	"c/party" => {
		3227	id => "party",
		3228	title => "Party",
		3229	reply => "gsay ",
		3230	tooltip => "Messages and chat related to your party",
		3231	},
		3232	"c/death" => {
		3233	id => "death",
		3234	title => "Death",
		3235	reply => undef,
		3236	tooltip => "Reason for and more info about your most recent death",
		3237	},
		3238	"c/fatal" => {
		3239	id => "fatal",
		3240	title => "Fatal Error",
		3241	reply => undef,
		3242	tooltip => "Reason for the server disconnect",
		3243	},
		3244	"c/say" => $SAY_CHANNEL,
		3245	"c/chat" => $CHAT_CHANNEL,
		3246	);
		3247
2098	sub cf::client::send_drawinfo {	3248	sub cf::client::send_msg {
2099	my ($self, $text, $flags) = @_;	3249	my ($self, $channel, $msg, $color, @extra) = @_;
2100		3250
2101	utf8::encode $text;	3251	$msg = $self->pl->expand_cfpod ($msg)
2102	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3252	unless $color & cf::NDI_VERBATIM;
2103	}
2104		3253
		3254	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3255
		3256	# check predefined channels, for the benefit of C
		3257	if ($CHANNEL{$channel}) {
		3258	$channel = $CHANNEL{$channel};
		3259
		3260	$self->ext_msg (channel_info => $channel);
		3261	$channel = $channel->{id};
		3262
		3263	} elsif (ref $channel) {
		3264	# send meta info to client, if not yet sent
		3265	unless (exists $self->{channel}{$channel->{id}}) {
		3266	$self->{channel}{$channel->{id}} = $channel;
		3267	$self->ext_msg (channel_info => $channel);
		3268	}
		3269
		3270	$channel = $channel->{id};
		3271	}
		3272
		3273	return unless @extra || length $msg;
		3274
		3275	# default colour, mask it out
		3276	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3277	if $color & cf::NDI_DEF;
		3278
		3279	my $pkt = "msg "
		3280	. $self->{json_coder}->encode (
		3281	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3282	);
		3283
		3284	$self->send_big_packet ($pkt);
		3285	}
		3286
2105	=item $client->ext_event ($type, %msg)	3287	=item $client->ext_msg ($type, @msg)
2106		3288
2107	Sends an exti event to the client.	3289	Sends an ext event to the client.
2108		3290
2109	=cut	3291	=cut
2110		3292
2111	sub cf::client::ext_event($$%) {	3293	sub cf::client::ext_msg($$@) {
2112	my ($self, $type, %msg) = @_;	3294	my ($self, $type, @msg) = @_;
2113		3295
2114	$msg{msgtype} = "event_$type";	3296	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2115	$self->send_packet ("ext " . cf::to_json \%msg);
2116	}	3297	}
2117		3298
2118	=item $success = $client->query ($flags, "text", \&cb)	3299	=item $success = $client->query ($flags, "text", \&cb)
2119		3300
2120	Queues a query to the client, calling the given callback with	3301	Queues a query to the client, calling the given callback with
2121	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3302	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2122	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3303	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2123		3304
2124	Queries can fail, so check the return code. Or don't, as queries will become	3305	Queries can fail, so check the return code. Or don't, as queries will
2125	reliable at some point in the future.	3306	become reliable at some point in the future.
2126		3307
2127	=cut	3308	=cut
2128		3309
2129	sub cf::client::query {	3310	sub cf::client::query {
2130	my ($self, $flags, $text, $cb) = @_;	3311	my ($self, $flags, $text, $cb) = @_;
…		…
2138	utf8::encode $text;	3319	utf8::encode $text;
2139	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3320	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2140		3321
2141	$self->send_packet ($self->{query_queue}[0][0])	3322	$self->send_packet ($self->{query_queue}[0][0])
2142	if @{ $self->{query_queue} } == 1;	3323	if @{ $self->{query_queue} } == 1;
		3324
		3325	1
		3326	}
		3327
		3328	=item $client->update_command_faces
		3329
		3330	=cut
		3331
		3332	our %COMMAND_FACE;
		3333
		3334	sub cf::client::update_command_faces {
		3335	my ($self) = @_;
		3336
		3337	my @faces = grep $_,
		3338	$COMMAND_FACE{preferred},
		3339	$COMMAND_FACE{standard},
		3340	$COMMAND_FACE{skill},
		3341	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3342	$COMMAND_FACE{emote},
		3343	;
		3344
		3345	$self->send_face ($_)
		3346	for @faces;
		3347	$self->flush_fx;
		3348
		3349	$self->ext_msg (command_list => @faces);
		3350	}
		3351
		3352	=item cf::client::set_command_face $type, $commands
		3353
		3354	=cut
		3355
		3356	sub cf::client::set_command_face {
		3357	my ($type, $list) = @_;
		3358
		3359	my $idx = &cf::face::set ( #d# ugly forward reference
		3360	"command_list/$type" => cf::FT_RSRC,
		3361	JSON::XS->new->utf8->encode ([ sort @$list ])
		3362	);
		3363
		3364	$COMMAND_FACE{$type} = $idx;
2143	}	3365	}
2144		3366
2145	cf::client->attach (	3367	cf::client->attach (
		3368	on_connect => sub {
		3369	my ($ns) = @_;
		3370
		3371	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3372	},
2146	on_reply => sub {	3373	on_reply => sub {
2147	my ($ns, $msg) = @_;	3374	my ($ns, $msg) = @_;
2148		3375
2149	# this weird shuffling is so that direct followup queries	3376	# this weird shuffling is so that direct followup queries
2150	# get handled first	3377	# get handled first
…		…
2162	} else {	3389	} else {
2163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3390	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2164	}	3391	}
2165	}	3392	}
2166	},	3393	},
		3394	on_exticmd => sub {
		3395	my ($ns, $buf) = @_;
		3396
		3397	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3398
		3399	if (ref $msg) {
		3400	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3401
		3402	if (my $cb = $EXTIACMD{$type}) {
		3403	$cb->(
		3404	$ns,
		3405	sub {
		3406	$ns->ext_msg ("reply-$reply", @_)
		3407	if $reply;
		3408	},
		3409	@payload
		3410	);
		3411	} else {
		3412	my @reply;
		3413
		3414	if (my $cb = $EXTICMD{$type}) {
		3415	@reply = $cb->($ns, @payload);
		3416	}
		3417
		3418	$ns->ext_msg ("reply-$reply", @reply)
		3419	if $reply;
		3420	}
		3421	} else {
		3422	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3423	}
		3424
		3425	cf::override;
		3426	},
2167	);	3427	);
2168		3428
2169	=item $client->async (\&cb)	3429	=item $client->async (\&cb)
2170		3430
2171	Create a new coroutine, running the specified callback. The coroutine will	3431	Create a new coroutine, running the specified callback. The coroutine will
…		…
2187		3447
2188	$coro	3448	$coro
2189	}	3449	}
2190		3450
2191	cf::client->attach (	3451	cf::client->attach (
2192	on_destroy => sub {	3452	on_client_destroy => sub {
2193	my ($ns) = @_;	3453	my ($ns) = @_;
2194		3454
2195	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3455	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2196	},	3456	},
2197	);	3457	);
…		…
2212	our $safe = new Safe "safe";	3472	our $safe = new Safe "safe";
2213	our $safe_hole = new Safe::Hole;	3473	our $safe_hole = new Safe::Hole;
2214		3474
2215	$SIG{FPE} = 'IGNORE';	3475	$SIG{FPE} = 'IGNORE';
2216		3476
2217	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3477	$safe->permit_only (Opcode::opset qw(
		3478	:base_core :base_mem :base_orig :base_math :base_loop
		3479	grepstart grepwhile mapstart mapwhile
		3480	sort time
		3481	));
2218		3482
2219	# here we export the classes and methods available to script code	3483	# here we export the classes and methods available to script code
2220		3484
2221	=pod	3485	=pod
2222		3486
2223	The following functions and methods are available within a safe environment:	3487	The following functions and methods are available within a safe environment:
2224		3488
2225	cf::object contr pay_amount pay_player map	3489	cf::object
		3490	contr pay_amount pay_player map x y force_find force_add destroy
		3491	insert remove name archname title slaying race decrease split
		3492	value
		3493
2226	cf::object::player player	3494	cf::object::player
2227	cf::player peaceful	3495	player
2228	cf::map trigger	3496
		3497	cf::player
		3498	peaceful
		3499
		3500	cf::map
		3501	trigger
2229		3502
2230	=cut	3503	=cut
2231		3504
2232	for (	3505	for (
2233	["cf::object" => qw(contr pay_amount pay_player map)],	3506	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3507	insert remove inv nrof name archname title slaying race
		3508	decrease split destroy change_exp value msg lore send_msg)],
2234	["cf::object::player" => qw(player)],	3509	["cf::object::player" => qw(player)],
2235	["cf::player" => qw(peaceful)],	3510	["cf::player" => qw(peaceful send_msg)],
2236	["cf::map" => qw(trigger)],	3511	["cf::map" => qw(trigger)],
2237	) {	3512	) {
2238	no strict 'refs';
2239	my ($pkg, @funs) = @$_;	3513	my ($pkg, @funs) = @$_;
2240	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3514	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2241	for @funs;	3515	for @funs;
2242	}	3516	}
2243		3517
…		…
2258		3532
2259	my $qcode = $code;	3533	my $qcode = $code;
2260	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3534	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2261	$qcode =~ s/\n/\\n/g;	3535	$qcode =~ s/\n/\\n/g;
2262		3536
		3537	%vars = (_dummy => 0) unless %vars;
		3538
		3539	my @res;
2263	local $_;	3540	local $_;
2264	local @safe::cf::_safe_eval_args = values %vars;
2265		3541
2266	my $eval =	3542	my $eval =
2267	"do {\n"	3543	"do {\n"
2268	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3544	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2269	. "#line 0 \"{$qcode}\"\n"	3545	. "#line 0 \"{$qcode}\"\n"
2270	. $code	3546	. $code
2271	. "\n}"	3547	. "\n}"
2272	;	3548	;
2273		3549
		3550	if ($CFG{safe_eval}) {
2274	sub_generation_inc;	3551	sub_generation_inc;
		3552	local @safe::cf::_safe_eval_args = values %vars;
2275	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3553	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2276	sub_generation_inc;	3554	sub_generation_inc;
		3555	} else {
		3556	local @cf::_safe_eval_args = values %vars;
		3557	@res = wantarray ? eval eval : scalar eval $eval;
		3558	}
2277		3559
2278	if ($@) {	3560	if ($@) {
2279	warn "$@";	3561	warn "$@",
2280	warn "while executing safe code '$code'\n";	3562	"while executing safe code '$code'\n",
2281	warn "with arguments " . (join " ", %vars) . "\n";	3563	"with arguments " . (join " ", %vars) . "\n";
2282	}	3564	}
2283		3565
2284	wantarray ? @res : $res[0]	3566	wantarray ? @res : $res[0]
2285	}	3567	}
2286		3568
…		…
2300	=cut	3582	=cut
2301		3583
2302	sub register_script_function {	3584	sub register_script_function {
2303	my ($fun, $cb) = @_;	3585	my ($fun, $cb) = @_;
2304		3586
2305	no strict 'refs';	3587	$fun = "safe::$fun" if $CFG{safe_eval};
2306	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3588	*$fun = $safe_hole->wrap ($cb);
2307	}	3589	}
2308		3590
2309	=back	3591	=back
2310		3592
2311	=cut	3593	=cut
2312
2313	#############################################################################
2314
2315	=head2 EXTENSION DATABASE SUPPORT
2316
2317	Crossfire maintains a very simple database for extension use. It can
2318	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2319	convert to/from binary).
2320
2321	The parameter C<$family> should best start with the name of the extension
2322	using it, it should be unique.
2323
2324	=over 4
2325
2326	=item $value = cf::db_get $family => $key
2327
2328	Returns a single value from the database.
2329
2330	=item cf::db_put $family => $key => $value
2331
2332	Stores the given C<$value> in the family.
2333
2334	=cut
2335
2336	our $DB;
2337
2338	sub db_init {
2339	unless ($DB) {
2340	$DB = BDB::db_create $DB_ENV;
2341
2342	cf::sync_job {
2343	eval {
2344	$DB->set_flags (BDB::CHKSUM);
2345
2346	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2347	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2348	cf::cleanup "db_open(db): $!" if $!;
2349	};
2350	cf::cleanup "db_open(db): $@" if $@;
2351	};
2352	}
2353	}
2354
2355	sub db_get($$) {
2356	my $key = "$_[0]/$_[1]";
2357
2358	cf::sync_job {
2359	BDB::db_get $DB, undef, $key, my $data;
2360
2361	$! ? ()
2362	: $data
2363	}
2364	}
2365
2366	sub db_put($$$) {
2367	BDB::dbreq_pri 4;
2368	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2369	}
2370
2371	=item cf::cache $id => [$paths...], $processversion => $process
2372
2373	Generic caching function that returns the value of the resource $id,
2374	caching and regenerating as required.
2375
2376	This function can block.
2377
2378	=cut
2379
2380	sub cache {
2381	my ($id, $src, $processversion, $process) = @_;
2382
2383	my $meta =
2384	join "\x00",
2385	$processversion,
2386	map {
2387	aio_stat $_
2388	and Carp::croak "$_: $!";
2389
2390	($_, (stat _)[7,9])
2391	} @$src;
2392
2393	my $dbmeta = db_get cache => "$id/meta";
2394	if ($dbmeta ne $meta) {
2395	# changed, we may need to process
2396
2397	my @data;
2398	my $md5;
2399
2400	for (0 .. $#$src) {
2401	0 <= aio_load $src->[$_], $data[$_]
2402	or Carp::croak "$src->[$_]: $!";
2403	}
2404
2405	# if processing is expensive, check
2406	# checksum first
2407	if (1) {
2408	$md5 =
2409	join "\x00",
2410	$processversion,
2411	map {
2412	Coro::cede;
2413	($src->[$_], Digest::MD5::md5_hex $data[$_])
2414	} 0.. $#$src;
2415
2416
2417	my $dbmd5 = db_get cache => "$id/md5";
2418	if ($dbmd5 eq $md5) {
2419	db_put cache => "$id/meta", $meta;
2420
2421	return db_get cache => "$id/data";
2422	}
2423	}
2424
2425	my $t1 = Time::HiRes::time;
2426	my $data = $process->(\@data);
2427	my $t2 = Time::HiRes::time;
2428
2429	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2430
2431	db_put cache => "$id/data", $data;
2432	db_put cache => "$id/md5" , $md5;
2433	db_put cache => "$id/meta", $meta;
2434
2435	return $data;
2436	}
2437
2438	db_get cache => "$id/data"
2439	}
2440
2441	=item fork_call { }, $args
2442
2443	Executes the given code block with the given arguments in a seperate
2444	process, returning the results. Everything must be serialisable with
2445	Coro::Storable. May, of course, block. Note that the executed sub may
2446	never block itself or use any form of Event handling.
2447
2448	=cut
2449
2450	sub fork_call(&@) {
2451	my ($cb, @args) = @_;
2452
2453	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2454	# or die "socketpair: $!";
2455	pipe my $fh1, my $fh2
2456	or die "pipe: $!";
2457
2458	if (my $pid = fork) {
2459	close $fh2;
2460
2461	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2462	$res = Coro::Storable::thaw $res;
2463
2464	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2465
2466	die $$res unless "ARRAY" eq ref $res;
2467
2468	return wantarray ? @$res : $res->[-1];
2469	} else {
2470	reset_signals;
2471	local $SIG{__WARN__};
2472	local $SIG{__DIE__};
2473	eval {
2474	close $fh1;
2475
2476	my @res = eval { $cb->(@args) };
2477	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2478	};
2479
2480	warn $@ if $@;
2481	_exit 0;
2482	}
2483	}
2484		3594
2485	#############################################################################	3595	#############################################################################
2486	# the server's init and main functions	3596	# the server's init and main functions
2487		3597
		3598	{
		3599	package cf::face;
		3600
		3601	our %HASH; # hash => idx
		3602	our @DATA; # dynamically-created facedata, only faceste 0 used
		3603	our @FOFS; # file offset, if > 0
		3604	our @SIZE; # size of face, in octets
		3605	our @META; # meta hash of face, if any
		3606	our $DATAFH; # facedata filehandle
		3607
		3608	# internal api, not finalised
		3609	sub set {
		3610	my ($name, $type, $data) = @_;
		3611
		3612	my $idx = cf::face::find $name;
		3613
		3614	if ($idx) {
		3615	delete $HASH{cf::face::get_csum $idx};
		3616	} else {
		3617	$idx = cf::face::alloc $name;
		3618	}
		3619
		3620	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3621
		3622	cf::face::set_type $idx, $type;
		3623	cf::face::set_csum $idx, 0, $hash;
		3624
		3625	# we need to destroy the SV itself, not just modify it, as a running ix
		3626	# might hold a reference to it: "delete" achieves that.
		3627	delete $FOFS[0][$idx];
		3628	delete $DATA[0][$idx];
		3629	$DATA[0][$idx] = $data;
		3630	$SIZE[0][$idx] = length $data;
		3631	delete $META[$idx];
		3632	$HASH{$hash} = $idx;#d#
		3633
		3634	$idx
		3635	}
		3636
		3637	sub _get_data($$$) {
		3638	my ($idx, $set, $cb) = @_;
		3639
		3640	if (defined $DATA[$set][$idx]) {
		3641	$cb->($DATA[$set][$idx]);
		3642	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3643	my $size = $SIZE[$set][$idx];
		3644	my $buf;
		3645	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3646	if ($_[0] == $size) {
		3647	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3648	$cb->($buf);
		3649	} else {
		3650	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3651	}
		3652	};
		3653	} else {
		3654	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3655	}
		3656	}
		3657
		3658	# rather ineffient
		3659	sub cf::face::get_data($;$) {
		3660	my ($idx, $set) = @_;
		3661
		3662	_get_data $idx, $set, Coro::rouse_cb;
		3663	Coro::rouse_wait
		3664	}
		3665
		3666	sub cf::face::ix {
		3667	my ($ns, $set, $idx, $pri) = @_;
		3668
		3669	_get_data $idx, $set, sub {
		3670	$ns->ix_send ($idx, $pri, $_[0]);
		3671	};
		3672	}
		3673	}
		3674
2488	sub load_facedata($) {	3675	sub load_facedata($) {
2489	my ($path) = @_;	3676	my ($path) = @_;
2490		3677
		3678	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3679
2491	warn "loading facedata from $path\n";	3680	trace "loading facedata from $path\n";
2492		3681
2493	my $facedata;	3682	my $facedata = decode_storable load_file "$path/faceinfo";
2494	0 < aio_load $path, $facedata
2495	or die "$path: $!";
2496
2497	$facedata = Coro::Storable::thaw $facedata;
2498		3683
2499	$facedata->{version} == 2	3684	$facedata->{version} == 2
2500	or cf::cleanup "$path: version mismatch, cannot proceed.";	3685	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
		3686
		3687	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3688	or cf::cleanup "$path/facedata: $!, cannot proceed.";
		3689
		3690	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3691
		3692	# BEGIN ATOMIC
		3693	# from here on, everything must be atomic - no thread switch allowed
		3694	my $t1 = EV::time;
2501		3695
2502	{	3696	{
2503	my $faces = $facedata->{faceinfo};	3697	my $faces = $facedata->{faceinfo};
2504		3698
2505	while (my ($face, $info) = each %$faces) {	3699	for my $face (sort keys %$faces) {
		3700	my $info = $faces->{$face};
2506	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3701	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3702
2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3703	cf::face::set_visibility $idx, $info->{visibility};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3704	cf::face::set_magicmap $idx, $info->{magicmap};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3705	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
2510	Coro::cede;	3706	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
		3707	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
		3708	$cf::face::HASH{$info->{hash64}} = $idx;
		3709	delete $cf::face::META[$idx];
2511	}	3710	}
2512		3711
2513	while (my ($face, $info) = each %$faces) {	3712	while (my ($face, $info) = each %$faces) {
2514	next unless $info->{smooth};	3713	next unless $info->{smooth};
		3714
2515	my $idx = cf::face::find $face	3715	my $idx = cf::face::find $face
2516	or next;	3716	or next;
		3717
2517	if (my $smooth = cf::face::find $info->{smooth}) {	3718	if (my $smooth = cf::face::find $info->{smooth}) {
		3719	cf::face::set_smooth $idx, $smooth;
2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3720	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519	} else {	3721	} else {
2520	warn "smooth face '$info->{smooth}' not found for face '$face'";	3722	error "smooth face '$info->{smooth}' not found for face '$face'";
2521	}	3723	}
2522	Coro::cede;
2523	}	3724	}
2524	}	3725	}
2525		3726
2526	{	3727	{
2527	my $anims = $facedata->{animinfo};	3728	my $anims = $facedata->{animinfo};
2528		3729
2529	while (my ($anim, $info) = each %$anims) {	3730	while (my ($anim, $info) = each %$anims) {
2530	cf::anim::set $anim, $info->{frames}, $info->{facings};	3731	cf::anim::set $anim, $info->{frames}, $info->{facings};
2531	Coro::cede;
2532	}	3732	}
2533		3733
2534	cf::anim::invalidate_all; # d'oh	3734	cf::anim::invalidate_all; # d'oh
2535	}	3735	}
2536		3736
		3737	{
		3738	my $res = $facedata->{resource};
		3739
		3740	while (my ($name, $info) = each %$res) {
		3741	if (defined (my $type = $info->{type})) {
		3742	# TODO: different hash - must free and use new index, or cache ixface data queue
		3743	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3744
		3745	cf::face::set_type $idx, $type;
		3746	cf::face::set_csum $idx, 0, $info->{hash};
		3747	$cf::face::SIZE[0][$idx] = $info->{size};
		3748	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3749	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3750	$cf::face::HASH{$info->{hash}} = $idx;
		3751	} else {
		3752	# $RESOURCE{$name} = $info; # unused
		3753	}
		3754	}
		3755	}
		3756
		3757	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3758
		3759	# HACK to clear player env face cache, we need some signal framework
		3760	# for this (global event?)
		3761	%ext::player_env::MUSIC_FACE_CACHE = ();
		3762
		3763	# END ATOMIC
		3764
		3765	cf::debug "facedata atomic update time ", EV::time - $t1;
		3766
		3767	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3768
		3769	aio_close $fh if $fh; # close old facedata
		3770
2537	1	3771	1
2538	}	3772	}
2539		3773
		3774	register_exticmd fx_want => sub {
		3775	my ($ns, $want) = @_;
		3776
		3777	while (my ($k, $v) = each %$want) {
		3778	$ns->fx_want ($k, $v);
		3779	}
		3780	};
		3781
		3782	sub load_resource_file($) {
		3783	my $guard = lock_acquire "load_resource_file";
		3784
		3785	my $status = load_resource_file_ $_[0];
		3786	get_slot 0.1, 100;
		3787	cf::arch::commit_load;
		3788
		3789	$status
		3790	}
		3791
		3792	sub reload_exp_table {
		3793	_reload_exp_table;
		3794
		3795	cf::face::set
		3796	"res/exp_table" => FT_RSRC,
		3797	JSON::XS->new->utf8->canonical->encode (
		3798	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3799	);
		3800	}
		3801
		3802	sub reload_materials {
		3803	_reload_materials;
		3804	}
		3805
2540	sub reload_regions {	3806	sub reload_regions {
		3807	# HACK to clear player env face cache, we need some signal framework
		3808	# for this (global event?)
		3809	%ext::player_env::MUSIC_FACE_CACHE = ();
		3810
2541	load_resource_file "$MAPDIR/regions"	3811	load_resource_file "$MAPDIR/regions"
2542	or die "unable to load regions file\n";	3812	or die "unable to load regions file\n";
		3813
		3814	for (cf::region::list) {
		3815	$_->{match} = qr/$_->{match}/
		3816	if exists $_->{match};
		3817	}
2543	}	3818	}
2544		3819
2545	sub reload_facedata {	3820	sub reload_facedata {
2546	load_facedata "$DATADIR/facedata"	3821	load_facedata $DATADIR
2547	or die "unable to load facedata\n";	3822	or die "unable to load facedata\n";
2548	}	3823	}
2549		3824
2550	sub reload_archetypes {	3825	sub reload_archetypes {
2551	load_resource_file "$DATADIR/archetypes"	3826	load_resource_file "$DATADIR/archetypes"
2552	or die "unable to load archetypes\n";	3827	or die "unable to load archetypes\n";
		3828
		3829	cf::face::set
		3830	"res/skill_info" => FT_RSRC,
		3831	JSON::XS->new->utf8->canonical->encode (
		3832	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3833	);
		3834
		3835	cf::face::set
		3836	"res/spell_paths" => FT_RSRC,
		3837	JSON::XS->new->utf8->canonical->encode (
		3838	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3839	);
		3840
		3841	# command completion
		3842	my @commands;
		3843
		3844	for (0..cf::arch::skillvec_size - 1) {
		3845	my $skill = cf::arch::skillvec $_;
		3846	my $name = $skill->name;
		3847	my $flags = cf::skill_flags $skill->subtype;
		3848
		3849	push @commands, "ready_skill $name" if $flags & (SF_COMBAT | SF_RANGED | SF_GRACE);
		3850	push @commands, "use_skill $name" if $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3851	}
		3852
		3853	cf::client::set_command_face skill => \@commands;
2553	}	3854	}
2554		3855
2555	sub reload_treasures {	3856	sub reload_treasures {
2556	load_resource_file "$DATADIR/treasures"	3857	load_resource_file "$DATADIR/treasures"
2557	or die "unable to load treasurelists\n";	3858	or die "unable to load treasurelists\n";
2558	}	3859	}
2559		3860
		3861	sub reload_sound {
		3862	trace "loading sound config from $DATADIR/sound\n";
		3863
		3864	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3865
		3866	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3867	my $sound = $soundconf->{compat}[$_]
		3868	or next;
		3869
		3870	my $face = cf::face::find "sound/$sound->[1]";
		3871	cf::sound::set $sound->[0] => $face;
		3872	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3873	}
		3874
		3875	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3876	my $face = cf::face::find "sound/$v";
		3877	cf::sound::set $k => $face;
		3878	}
		3879	}
		3880
2560	sub reload_resources {	3881	sub reload_resources {
2561	warn "reloading resource files...\n";	3882	trace "reloading resource files...\n";
2562		3883
		3884	reload_materials;
		3885	reload_facedata;
		3886	reload_exp_table;
		3887	reload_sound;
		3888	reload_archetypes;
2563	reload_regions;	3889	reload_regions;
2564	reload_facedata;
2565	#reload_archetypes;#d#
2566	reload_archetypes;
2567	reload_treasures;	3890	reload_treasures;
2568		3891
2569	warn "finished reloading resource files\n";	3892	trace "finished reloading resource files\n";
2570	}	3893	}
2571		3894
2572	sub init {	3895	sub reload_config {
2573	reload_resources;	3896	trace "reloading config file...\n";
2574	}
2575		3897
2576	sub cfg_load {	3898	my $config = load_file "$CONFDIR/config";
2577	open my $fh, "<:utf8", "$CONFDIR/config"	3899	utf8::decode $config;
2578	or return;	3900	*CFG = decode_yaml $config;
2579		3901
2580	local $/;
2581	*CFG = YAML::Syck::Load <$fh>;
2582
2583	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3902	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2584		3903
2585	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3904	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2586	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3905	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2587		3906
2588	if (exists $CFG{mlockall}) {	3907	if (exists $CFG{mlockall}) {
…		…
2592	};	3911	};
2593	warn $@ if $@;	3912	warn $@ if $@;
2594	}	3913	}
2595	}	3914	}
2596		3915
		3916	sub pidfile() {
		3917	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3918	or die "$PIDFILE: $!";
		3919	flock $fh, &Fcntl::LOCK_EX
		3920	or die "$PIDFILE: flock: $!";
		3921	$fh
		3922	}
		3923
		3924	# make sure only one server instance is running at any one time
		3925	sub atomic {
		3926	my $fh = pidfile;
		3927
		3928	my $pid = <$fh>;
		3929	kill 9, $pid if $pid > 0;
		3930
		3931	seek $fh, 0, 0;
		3932	print $fh $$;
		3933	}
		3934
		3935	sub main_loop {
		3936	trace "EV::run starting\n";
		3937	if (1) {
		3938	EV::run;
		3939	}
		3940	trace "EV::run returned\n";
		3941	goto &main_loop unless $REALLY_UNLOOP;
		3942	}
		3943
2597	sub main {	3944	sub main {
		3945	cf::init_globals; # initialise logging
		3946
		3947	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3948	LOG llevInfo, "Copyright (C) 2017-2018 Marc Alexander Lehmann / the Deliantra team.";
		3949	LOG llevInfo, "Copyright (C) 2005-2016 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3950	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3951	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3952
		3953	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3954
2598	# we must not ever block the main coroutine	3955	# we must not ever block the main coroutine
2599	local $Coro::idle = sub {	3956	$Coro::idle = sub {
2600	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3957	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2601	(async {	3958	(async {
2602	Event::one_event;	3959	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3960	EV::run EV::RUN_ONCE;
2603	})->prio (Coro::PRIO_MAX);	3961	})->prio (Coro::PRIO_MAX);
2604	};	3962	};
2605		3963
2606	cfg_load;	3964	evthread_start IO::AIO::poll_fileno;
		3965
		3966	cf::sync_job {
		3967	cf::incloader::init ();
		3968
2607	db_init;	3969	db_init;
		3970
		3971	cf::init_anim;
		3972	cf::init_attackmess;
		3973	cf::init_dynamic;
		3974
		3975	cf::load_settings;
		3976
		3977	reload_resources;
		3978	reload_config;
		3979
		3980	cf::init_uuid;
		3981	cf::init_signals;
		3982	cf::init_skills;
		3983
		3984	cf::init_beforeplay;
		3985
		3986	atomic;
		3987
2608	load_extensions;	3988	load_extensions;
2609		3989
2610	$TICK_WATCHER->start;	3990	utime time, time, $RUNTIMEFILE;
2611	Event::loop;	3991
		3992	# no (long-running) fork's whatsoever before this point(!)
		3993	use POSIX ();
		3994	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3995
		3996	cf::_post_init 0;
		3997	};
		3998
		3999	cf::object::thawer::errors_are_fatal 0;
		4000	info "parse errors in files are no longer fatal from this point on.\n";
		4001
		4002	AE::postpone {
		4003	undef &main; # free gobs of memory :)
		4004	};
		4005
		4006	goto &main_loop;
2612	}	4007	}
2613		4008
2614	#############################################################################	4009	#############################################################################
2615	# initialisation and cleanup	4010	# initialisation and cleanup
2616		4011
2617	# install some emergency cleanup handlers	4012	# install some emergency cleanup handlers
2618	BEGIN {	4013	BEGIN {
		4014	our %SIGWATCHER = ();
2619	for my $signal (qw(INT HUP TERM)) {	4015	for my $signal (qw(INT HUP TERM)) {
2620	Event->signal (	4016	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2621	reentrant => 0,
2622	data => WF_AUTOCANCEL,
2623	signal => $signal,
2624	prio => 0,
2625	cb => sub {
2626	cf::cleanup "SIG$signal";	4017	cf::cleanup "SIG$signal";
2627	},
2628	);	4018	};
		4019	}
		4020	}
		4021
		4022	sub write_runtime_sync {
		4023	my $t0 = AE::time;
		4024
		4025	# first touch the runtime file to show we are still running:
		4026	# the fsync below can take a very very long time.
		4027
		4028	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		4029
		4030	my $guard = cf::lock_acquire "write_runtime";
		4031
		4032	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		4033	or return;
		4034
		4035	my $value = $cf::RUNTIME + 90 + 10;
		4036	# 10 is the runtime save interval, for a monotonic clock
		4037	# 60 allows for the watchdog to kill the server.
		4038
		4039	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4040	and return;
		4041
		4042	# always fsync - this file is important
		4043	aio_fsync $fh
		4044	and return;
		4045
		4046	# touch it again to show we are up-to-date
		4047	aio_utime $fh, undef, undef;
		4048
		4049	close $fh
		4050	or return;
		4051
		4052	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		4053	and return;
		4054
		4055	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		4056
2629	}	4057	1
		4058	}
		4059
		4060	our $uuid_lock;
		4061	our $uuid_skip;
		4062
		4063	sub write_uuid_sync($) {
		4064	$uuid_skip ||= $_[0];
		4065
		4066	return if $uuid_lock;
		4067	local $uuid_lock = 1;
		4068
		4069	my $uuid = "$LOCALDIR/uuid";
		4070
		4071	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		4072	or return;
		4073
		4074	my $value = uuid_seq uuid_cur;
		4075
		4076	unless ($value) {
		4077	info "cowardly refusing to write zero uuid value!\n";
		4078	return;
		4079	}
		4080
		4081	my $value = uuid_str $value + $uuid_skip;
		4082	$uuid_skip = 0;
		4083
		4084	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4085	and return;
		4086
		4087	# always fsync - this file is important
		4088	aio_fsync $fh
		4089	and return;
		4090
		4091	close $fh
		4092	or return;
		4093
		4094	aio_rename "$uuid~", $uuid
		4095	and return;
		4096
		4097	trace "uuid file written ($value).\n";
		4098
		4099	1
		4100
		4101	}
		4102
		4103	sub write_uuid($$) {
		4104	my ($skip, $sync) = @_;
		4105
		4106	$sync ? write_uuid_sync $skip
		4107	: async { write_uuid_sync $skip };
2630	}	4108	}
2631		4109
2632	sub emergency_save() {	4110	sub emergency_save() {
2633	my $freeze_guard = cf::freeze_mainloop;	4111	my $freeze_guard = cf::freeze_mainloop;
2634		4112
2635	warn "enter emergency perl save\n";	4113	info "emergency_perl_save: enter\n";
		4114
		4115	# this is a trade-off: we want to be very quick here, so
		4116	# save all maps without fsync, and later call a global sync
		4117	# (which in turn might be very very slow)
		4118	local $USE_FSYNC = 0;
2636		4119
2637	cf::sync_job {	4120	cf::sync_job {
		4121	cf::write_runtime_sync; # external watchdog should not bark
		4122
2638	# use a peculiar iteration method to avoid tripping on perl	4123	# use a peculiar iteration method to avoid tripping on perl
2639	# refcount bugs in for. also avoids problems with players	4124	# refcount bugs in for. also avoids problems with players
2640	# and maps saved/destroyed asynchronously.	4125	# and maps saved/destroyed asynchronously.
2641	warn "begin emergency player save\n";	4126	info "emergency_perl_save: begin player save\n";
2642	for my $login (keys %cf::PLAYER) {	4127	for my $login (keys %cf::PLAYER) {
2643	my $pl = $cf::PLAYER{$login} or next;	4128	my $pl = $cf::PLAYER{$login} or next;
2644	$pl->valid or next;	4129	$pl->valid or next;
		4130	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2645	$pl->save;	4131	$pl->save;
2646	}	4132	}
2647	warn "end emergency player save\n";	4133	info "emergency_perl_save: end player save\n";
2648		4134
2649	warn "begin emergency map save\n";	4135	cf::write_runtime_sync; # external watchdog should not bark
		4136
		4137	info "emergency_perl_save: begin map save\n";
2650	for my $path (keys %cf::MAP) {	4138	for my $path (keys %cf::MAP) {
2651	my $map = $cf::MAP{$path} or next;	4139	my $map = $cf::MAP{$path} or next;
2652	$map->valid or next;	4140	$map->valid or next;
2653	$map->save;	4141	$map->save;
2654	}	4142	}
2655	warn "end emergency map save\n";	4143	info "emergency_perl_save: end map save\n";
2656		4144
2657	warn "begin emergency database checkpoint\n";	4145	cf::write_runtime_sync; # external watchdog should not bark
		4146
		4147	info "emergency_perl_save: begin database checkpoint\n";
2658	BDB::db_env_txn_checkpoint $DB_ENV;	4148	BDB::db_env_txn_checkpoint $DB_ENV;
2659	warn "end emergency database checkpoint\n";	4149	info "emergency_perl_save: end database checkpoint\n";
		4150
		4151	info "emergency_perl_save: begin write uuid\n";
		4152	write_uuid_sync 1;
		4153	info "emergency_perl_save: end write uuid\n";
		4154
		4155	cf::write_runtime_sync; # external watchdog should not bark
		4156
		4157	trace "emergency_perl_save: syncing database to disk";
		4158	BDB::db_env_txn_checkpoint $DB_ENV;
		4159
		4160	info "emergency_perl_save: starting sync\n";
		4161	IO::AIO::aio_sync sub {
		4162	info "emergency_perl_save: finished sync\n";
		4163	};
		4164
		4165	cf::write_runtime_sync; # external watchdog should not bark
		4166
		4167	trace "emergency_perl_save: flushing outstanding aio requests";
		4168	while (IO::AIO::nreqs || BDB::nreqs) {
		4169	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4170	}
		4171
		4172	cf::write_runtime_sync; # external watchdog should not bark
2660	};	4173	};
2661		4174
2662	warn "leave emergency perl save\n";	4175	info "emergency_perl_save: leave\n";
2663	}	4176	}
2664		4177
2665	sub post_cleanup {	4178	sub post_cleanup {
2666	my ($make_core) = @_;	4179	my ($make_core) = @_;
2667		4180
		4181	IO::AIO::flush;
		4182
2668	warn Carp::longmess "post_cleanup backtrace"	4183	error Carp::longmess "post_cleanup backtrace"
2669	if $make_core;	4184	if $make_core;
		4185
		4186	my $fh = pidfile;
		4187	unlink $PIDFILE if <$fh> == $$;
		4188	}
		4189
		4190	# a safer delete_package, copied from Symbol
		4191	sub clear_package($) {
		4192	my $pkg = shift;
		4193
		4194	# expand to full symbol table name if needed
		4195	unless ($pkg =~ /^main::.*::$/) {
		4196	$pkg = "main$pkg" if $pkg =~ /^::/;
		4197	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4198	$pkg .= '::' unless $pkg =~ /::$/;
		4199	}
		4200
		4201	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4202	my $stem_symtab = *{$stem}{HASH};
		4203
		4204	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4205	or return;
		4206
		4207	# clear all symbols
		4208	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4209	for my $name (keys %$leaf_symtab) {
		4210	_gv_clear *{"$pkg$name"};
		4211	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4212	}
2670	}	4213	}
2671		4214
2672	sub do_reload_perl() {	4215	sub do_reload_perl() {
2673	# can/must only be called in main	4216	# can/must only be called in main
2674	if ($Coro::current != $Coro::main) {	4217	unless (in_main) {
2675	warn "can only reload from main coroutine";	4218	error "can only reload from main coroutine";
2676	return;	4219	return;
2677	}	4220	}
2678		4221
2679	warn "reloading...";	4222	return if $RELOAD++;
2680		4223
2681	warn "entering sync_job";	4224	my $t1 = AE::time;
2682		4225
		4226	while ($RELOAD) {
		4227	cf::get_slot 0.1, -1, "reload_perl";
		4228	info "perl_reload: reloading...";
		4229
		4230	trace "perl_reload: entering sync_job";
		4231
2683	cf::sync_job {	4232	cf::sync_job {
2684	cf::write_runtime; # external watchdog should not bark
2685	cf::emergency_save;	4233	#cf::emergency_save;
2686	cf::write_runtime; # external watchdog should not bark
2687		4234
2688	warn "syncing database to disk";
2689	BDB::db_env_txn_checkpoint $DB_ENV;
2690
2691	# if anything goes wrong in here, we should simply crash as we already saved
2692
2693	warn "cancelling all WF_AUTOCANCEL watchers";
2694	for (Event::all_watchers) {
2695	$_->cancel if $_->data & WF_AUTOCANCEL;
2696	}
2697
2698	warn "flushing outstanding aio requests";
2699	for (;;) {
2700	BDB::flush;
2701	IO::AIO::flush;
2702	Coro::cede;
2703	last unless IO::AIO::nreqs || BDB::nreqs;
2704	warn "iterate...";
2705	}
2706
2707	++$RELOAD;
2708
2709	warn "cancelling all extension coros";	4235	trace "perl_reload: cancelling all extension coros";
2710	$_->cancel for values %EXT_CORO;	4236	$_->cancel for values %EXT_CORO;
2711	%EXT_CORO = ();	4237	%EXT_CORO = ();
2712		4238
2713	warn "removing commands";	4239	trace "perl_reload: removing commands";
2714	%COMMAND = ();	4240	%COMMAND = ();
2715		4241
2716	warn "removing ext commands";	4242	trace "perl_reload: removing ext/exti commands";
2717	%EXTCMD = ();	4243	%EXTCMD = ();
		4244	%EXTICMD = ();
2718		4245
2719	warn "unloading/nuking all extensions";	4246	trace "perl_reload: unloading/nuking all extensions";
2720	for my $pkg (@EXTS) {	4247	for my $pkg (@EXTS) {
2721	warn "... unloading $pkg";	4248	trace "... unloading $pkg";
2722		4249
2723	if (my $cb = $pkg->can ("unload")) {	4250	if (my $cb = $pkg->can ("unload")) {
2724	eval {	4251	eval {
2725	$cb->($pkg);	4252	$cb->($pkg);
2726	1	4253	1
2727	} or warn "$pkg unloaded, but with errors: $@";	4254	} or error "$pkg unloaded, but with errors: $@";
		4255	}
		4256
		4257	trace "... clearing $pkg";
		4258	clear_package $pkg;
2728	}	4259	}
2729		4260
2730	warn "... nuking $pkg";
2731	Symbol::delete_package $pkg;
2732	}
2733
2734	warn "unloading all perl modules loaded from $LIBDIR";	4261	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2735	while (my ($k, $v) = each %INC) {	4262	while (my ($k, $v) = each %INC) {
2736	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4263	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2737		4264
2738	warn "... unloading $k";	4265	trace "... unloading $k";
2739	delete $INC{$k};	4266	delete $INC{$k};
2740		4267
2741	$k =~ s/\.pm$//;	4268	$k =~ s/\.pm$//;
2742	$k =~ s/\//::/g;	4269	$k =~ s/\//::/g;
2743		4270
2744	if (my $cb = $k->can ("unload_module")) {	4271	if (my $cb = $k->can ("unload_module")) {
2745	$cb->();	4272	$cb->();
		4273	}
		4274
		4275	clear_package $k;
2746	}	4276	}
2747		4277
2748	Symbol::delete_package $k;
2749	}
2750
2751	warn "getting rid of safe::, as good as possible";	4278	trace "perl_reload: getting rid of safe::, as good as possible";
2752	Symbol::delete_package "safe::$_"	4279	clear_package "safe::$_"
2753	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4280	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2754		4281
2755	warn "unloading cf.pm \"a bit\"";	4282	trace "perl_reload: unloading cf.pm \"a bit\"";
2756	delete $INC{"cf.pm"};	4283	delete $INC{"cf.pm"};
2757	delete $INC{"cf/pod.pm"};	4284	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2758		4285
2759	# don't, removes xs symbols, too,	4286	# don't, removes xs symbols, too,
2760	# and global variables created in xs	4287	# and global variables created in xs
2761	#Symbol::delete_package __PACKAGE__;	4288	#clear_package __PACKAGE__;
2762		4289
2763	warn "unload completed, starting to reload now";	4290	info "perl_reload: unload completed, starting to reload now";
2764		4291
2765	warn "reloading cf.pm";	4292	trace "perl_reload: reloading cf.pm";
2766	require cf;	4293	require cf;
2767	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4294	cf::_connect_to_perl_1;
2768		4295
2769	warn "loading config and database again";	4296	trace "perl_reload: loading config and database again";
2770	cf::cfg_load;	4297	cf::reload_config;
2771		4298
2772	warn "loading extensions";	4299	trace "perl_reload: loading extensions";
2773	cf::load_extensions;	4300	cf::load_extensions;
2774		4301
		4302	if ($REATTACH_ON_RELOAD) {
2775	warn "reattaching attachments to objects/players";	4303	trace "perl_reload: reattaching attachments to objects/players";
2776	_global_reattach; # objects, sockets	4304	_global_reattach; # objects, sockets
2777	warn "reattaching attachments to maps";	4305	trace "perl_reload: reattaching attachments to maps";
2778	reattach $_ for values %MAP;	4306	reattach $_ for values %MAP;
2779	warn "reattaching attachments to players";	4307	trace "perl_reload: reattaching attachments to players";
2780	reattach $_ for values %PLAYER;	4308	reattach $_ for values %PLAYER;
		4309	}
2781		4310
2782	warn "leaving sync_job";	4311	cf::_post_init 1;
2783		4312
		4313	trace "perl_reload: leaving sync_job";
		4314
2784	1	4315	1
2785	} or do {	4316	} or do {
2786	warn $@;	4317	error $@;
2787	warn "error while reloading, exiting.";	4318	cf::cleanup "perl_reload: error, exiting.";
2788	exit 1;	4319	};
		4320
		4321	--$RELOAD;
2789	};	4322	}
2790		4323
2791	warn "reloaded";	4324	$t1 = AE::time - $t1;
		4325	info "perl_reload: completed in ${t1}s\n";
2792	};	4326	};
2793		4327
2794	our $RELOAD_WATCHER; # used only during reload	4328	our $RELOAD_WATCHER; # used only during reload
2795		4329
2796	sub reload_perl() {	4330	sub reload_perl() {
2797	# doing reload synchronously and two reloads happen back-to-back,	4331	# doing reload synchronously and two reloads happen back-to-back,
2798	# coro crashes during coro_state_free->destroy here.	4332	# coro crashes during coro_state_free->destroy here.
2799		4333
2800	$RELOAD_WATCHER ||= Event->timer (	4334	$RELOAD_WATCHER ||= cf::async {
2801	reentrant => 0,	4335	Coro::AIO::aio_wait cache_extensions;
2802	after => 0,	4336
2803	data => WF_AUTOCANCEL,	4337	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2804	cb => sub {
2805	do_reload_perl;	4338	do_reload_perl;
2806	undef $RELOAD_WATCHER;	4339	undef $RELOAD_WATCHER;
2807	},	4340	};
2808	);	4341	};
2809	}	4342	}
2810		4343
2811	register_command "reload" => sub {	4344	register_command "reload" => sub {
2812	my ($who, $arg) = @_;	4345	my ($who, $arg) = @_;
2813		4346
2814	if ($who->flag (FLAG_WIZ)) {	4347	if ($who->flag (FLAG_WIZ)) {
2815	$who->message ("reloading server.");	4348	$who->message ("reloading server.");
		4349	async {
		4350	$Coro::current->{desc} = "perl_reload";
2816	async { reload_perl };	4351	reload_perl;
		4352	};
2817	}	4353	}
2818	};	4354	};
2819		4355
2820	unshift @INC, $LIBDIR;	4356	#############################################################################
2821		4357
2822	my $bug_warning = 0;	4358	my $bug_warning = 0;
2823		4359
2824	our @WAIT_FOR_TICK;
2825	our @WAIT_FOR_TICK_BEGIN;
2826
2827	sub wait_for_tick {	4360	sub wait_for_tick() {
2828	return unless $TICK_WATCHER->is_active;	4361	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2829	return if $Coro::current == $Coro::main;
2830		4362
2831	my $signal = new Coro::Signal;	4363	$WAIT_FOR_TICK->wait;
2832	push @WAIT_FOR_TICK, $signal;
2833	$signal->wait;
2834	}	4364	}
2835		4365
2836	sub wait_for_tick_begin {	4366	sub wait_for_tick_begin() {
2837	return unless $TICK_WATCHER->is_active;	4367	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2838	return if $Coro::current == $Coro::main;
2839		4368
2840	my $signal = new Coro::Signal;	4369	my $signal = new Coro::Signal;
2841	push @WAIT_FOR_TICK_BEGIN, $signal;	4370	push @WAIT_FOR_TICK_BEGIN, $signal;
2842	$signal->wait;	4371	$signal->wait;
2843	}	4372	}
2844		4373
2845	my $min = 1e6;#d#	4374	sub tick {
2846	my $avg = 10;
2847	$TICK_WATCHER = Event->timer (
2848	reentrant => 0,
2849	parked => 1,
2850	prio => 0,
2851	at => $NEXT_TICK || $TICK,
2852	data => WF_AUTOCANCEL,
2853	cb => sub {
2854	if ($Coro::current != $Coro::main) {	4375	if ($Coro::current != $Coro::main) {
2855	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4376	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2856	unless ++$bug_warning > 10;	4377	unless ++$bug_warning > 10;
2857	return;	4378	return;
2858	}	4379	}
2859		4380
2860	$NOW = $tick_start = Event::time;	4381	cf::one_tick; # one server iteration
2861		4382
2862	cf::server_tick; # one server iteration	4383	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2863		4384
2864	0 && sync_job {#d#	4385	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2865	for(1..10) {	4386	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2866	my $t = Event::time;	4387	Coro::async_pool {
2867	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4388	$Coro::current->{desc} = "runtime saver";
2868	or die;	4389	write_runtime_sync
2869		4390	or error "ERROR: unable to write runtime file: $!";
2870	$map->width (50);
2871	$map->height (50);
2872	$map->alloc;
2873	$map->_load_objects ("/tmp/x.map", 1);
2874	my $t = Event::time - $t;
2875
2876	#next unless $t < 0.0013;#d#
2877	if ($t < $min) {
2878	$min = $t;
2879	}
2880	$avg = $avg * 0.99 + $t * 0.01;
2881	}
2882	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2883	exit 0;
2884	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2885	};	4391	};
		4392	}
2886		4393
2887	$RUNTIME += $TICK;
2888	$NEXT_TICK += $TICK;
2889
2890	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2891	$NEXT_RUNTIME_WRITE = $NOW + 10;
2892	Coro::async_pool {
2893	write_runtime
2894	or warn "ERROR: unable to write runtime file: $!";
2895	};
2896	}
2897
2898	# my $AFTER = Event::time;
2899	# warn $AFTER - $NOW;#d#
2900
2901	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4394	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2902	$sig->send;	4395	$sig->send;
2903	}	4396	}
2904	while (my $sig = shift @WAIT_FOR_TICK) {	4397	$WAIT_FOR_TICK->broadcast;
2905	$sig->send;
2906	}
2907		4398
2908	$NOW = Event::time;	4399	$LOAD = ($NOW - $TICK_START) / $TICK;
2909
2910	# if we are delayed by four ticks or more, skip them all
2911	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2912
2913	$TICK_WATCHER->at ($NEXT_TICK);
2914	$TICK_WATCHER->start;
2915
2916	$LOAD = ($NOW - $tick_start) / $TICK;
2917	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4400	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2918		4401
2919	_post_tick;	4402	if (0) {
2920		4403	if ($NEXT_TICK) {
2921		4404	my $jitter = $TICK_START - $NEXT_TICK;
		4405	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4406	debug "jitter $JITTER\n";#d#
		4407	}
2922	},	4408	}
2923	);	4409	}
2924		4410
2925	{	4411	{
2926	BDB::max_poll_time $TICK * 0.1;	4412	# configure BDB
2927	$BDB_POLL_WATCHER = Event->io (	4413	info "initialising database";
2928	reentrant => 0,	4414
2929	fd => BDB::poll_fileno,
2930	poll => 'r',
2931	prio => 0,
2932	data => WF_AUTOCANCEL,
2933	cb => \&BDB::poll_cb,
2934	);
2935	BDB::min_parallel 8;	4415	BDB::min_parallel 16;
2936		4416	BDB::max_poll_reqs $TICK * 0.1;
2937	BDB::set_sync_prepare {	4417	#$AnyEvent::BDB::WATCHER->priority (1);
2938	my $status;
2939	my $current = $Coro::current;
2940	(
2941	sub {
2942	$status = $!;
2943	$current->ready; undef $current;
2944	},
2945	sub {
2946	Coro::schedule while defined $current;
2947	$! = $status;
2948	},
2949	)
2950	};
2951		4418
2952	unless ($DB_ENV) {	4419	unless ($DB_ENV) {
2953	$DB_ENV = BDB::db_env_create;	4420	$DB_ENV = BDB::db_env_create;
		4421	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4422	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4423	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4424	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4425	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2954		4426
2955	cf::sync_job {	4427	cf::sync_job {
2956	eval {	4428	eval {
2957	BDB::db_env_open	4429	BDB::db_env_open
2958	$DB_ENV,	4430	$DB_ENV,
…		…
2960	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4432	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2961	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4433	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2962	0666;	4434	0666;
2963		4435
2964	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4436	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2965
2966	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2967	$DB_ENV->set_lk_detect;
2968	};	4437	};
2969		4438
2970	cf::cleanup "db_env_open(db): $@" if $@;	4439	cf::cleanup "db_env_open(db): $@" if $@;
2971	};	4440	};
2972	}	4441	}
		4442
		4443	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4444	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4445	};
		4446	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4447	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4448	};
		4449	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4450	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4451	};
		4452
		4453	info "database initialised";
2973	}	4454	}
2974		4455
2975	{	4456	{
		4457	# configure IO::AIO
		4458
		4459	info "initialising aio";
2976	IO::AIO::min_parallel 8;	4460	IO::AIO::min_parallel 8;
2977
2978	undef $Coro::AIO::WATCHER;
2979	IO::AIO::max_poll_time $TICK * 0.1;	4461	IO::AIO::max_poll_time $TICK * 0.1;
2980	$AIO_POLL_WATCHER = Event->io (	4462	undef $AnyEvent::AIO::WATCHER;
2981	reentrant => 0,	4463	info "aio initialised";
2982	data => WF_AUTOCANCEL,
2983	fd => IO::AIO::poll_fileno,
2984	poll => 'r',
2985	prio => 6,
2986	cb => \&IO::AIO::poll_cb,
2987	);
2988	}	4464	}
2989		4465
2990	my $_log_backtrace;	4466	our $_log_backtrace;
		4467	our $_log_backtrace_last;
2991		4468
2992	sub _log_backtrace {	4469	sub _log_backtrace {
2993	my ($msg, @addr) = @_;	4470	my ($msg, @addr) = @_;
2994		4471
2995	$msg =~ s/\n//;	4472	$msg =~ s/\n$//;
2996		4473
		4474	if ($_log_backtrace_last eq $msg) {
		4475	LOG llevInfo, "[ABT] $msg\n";
		4476	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2997	# limit the # of concurrent backtraces	4477	# limit the # of concurrent backtraces
2998	if ($_log_backtrace < 2) {	4478	} elsif ($_log_backtrace < 2) {
		4479	$_log_backtrace_last = $msg;
2999	++$_log_backtrace;	4480	++$_log_backtrace;
		4481	my $perl_bt = Carp::longmess $msg;
3000	async {	4482	async {
		4483	$Coro::current->{desc} = "abt $msg";
		4484
3001	my @bt = fork_call {	4485	my @bt = fork_call {
3002	@addr = map { sprintf "%x", $_ } @addr;	4486	@addr = map { sprintf "%x", $_ } @addr;
3003	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4487	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3004	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4488	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3005	or die "addr2line: $!";	4489	or die "addr2line: $!";
…		…
3013	}	4497	}
3014		4498
3015	@funcs	4499	@funcs
3016	};	4500	};
3017		4501
3018	LOG llevInfo, "[ABT] $msg\n";	4502	LOG llevInfo, "[ABT] $perl_bt\n";
		4503	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3019	LOG llevInfo, "[ABT] $_\n" for @bt;	4504	LOG llevInfo, "[ABT] $_\n" for @bt;
3020	--$_log_backtrace;	4505	--$_log_backtrace;
3021	};	4506	};
3022	} else {	4507	} else {
3023	LOG llevInfo, "[ABT] $msg\n";	4508	LOG llevInfo, "[ABT] $msg\n";
3024	LOG llevInfo, "[ABT] [suppressed]\n";	4509	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3025	}	4510	}
3026	}	4511	}
3027		4512
3028	# load additional modules	4513	# load additional modules
3029	use cf::pod;	4514	require "cf/$_.pm" for @EXTRA_MODULES;
		4515	cf::_connect_to_perl_2;
3030		4516
3031	END { cf::emergency_save }	4517	END { cf::emergency_save }
3032		4518
3033	1	4519	1
3034		4520

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