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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.297 by root, Thu Jul 5 08:10:30 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 ();
25	use JSON::XS 1.4 ();	58	use JSON::XS 2.01 ();
26	use BDB ();	59	use BDB ();
27	use Data::Dumper;	60	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	61	use Fcntl;
30	use YAML::Syck ();	62	use YAML::XS ();
		63	use CBOR::XS ();
31	use IO::AIO 2.32 ();	64	use IO::AIO ();
32	use Time::HiRes;
33	use Compress::LZF;	65	use Compress::LZF;
		66	use Digest::MD5 ();
		67
		68	AnyEvent::detect;
34		69
35	# configure various modules to our taste	70	# configure various modules to our taste
36	#	71	#
37	$Storable::canonical = 1; # reduce rsync transfers	72	$Storable::canonical = 1; # reduce rsync transfers
38	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";
39	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
40		80
41	$Event::Eval = 1; # no idea why this is required, but it is	81	# strictly for debugging
42		82	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		83
48	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;
49		87
50	our %COMMAND = ();	88	our %COMMAND = ();
51	our %COMMAND_TIME = ();	89	our %COMMAND_TIME = ();
52		90
53	our @EXTS = (); # list of extension package names	91	our @EXTS = (); # list of extension package names
54	our %EXTCMD = ();	92	our %EXTCMD = ();
		93	our %EXTACMD = ();
55	our %EXTICMD = ();	94	our %EXTICMD = ();
		95	our %EXTIACMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	96	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	97	our %EXT_MAP = (); # pluggable maps
58		98
59	our $RELOAD; # number of reloads so far	99	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	100	our @EVENT;
		101	our @REFLECT; # set by XS
		102	our %REFLECT; # set by us
61		103
62	our $CONFDIR = confdir;	104	our $CONFDIR = confdir;
		105
63	our $DATADIR = datadir;	106	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	107	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	108	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	109	our $MAPDIR = "$DATADIR/" . mapdir;
		110
67	our $LOCALDIR = localdir;	111	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	112	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	113	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	114	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	115	our $RANDOMDIR = "$LOCALDIR/random";
72	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;
73		127
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	128	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	129	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	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;
79	our $NOW;	146	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off
81		147
82	our $BDB_POLL_WATCHER;	148	our (%PLAYER, %PLAYER_LOADING); # all users
83	our $DB_ENV;	149	our (%MAP, %MAP_LOADING ); # all maps
84
85	our %CFG;
86
87	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;
89
90	our %PLAYER; # all users
91	our %MAP; # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	150	our $LINK_MAP; # the special {link} map, which is always available
93		151
94	# 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 ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	153	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		154
97	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)
98	our $LOADAVG; # same thing, but with alpha-smoothing	156	our $LOADAVG; # same thing, but with alpha-smoothing
		157	our $JITTER; # average jitter
99	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 $WAIT_FOR_TICK = new Coro::Signal;
		166	our @WAIT_FOR_TICK_BEGIN;
100		167
101	binmode STDOUT;	168	binmode STDOUT;
102	binmode STDERR;	169	binmode STDERR;
103		170
104	# read virtual server time, if available	171	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	172	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	173	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	174	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	175	$RUNTIME = <$fh> + 0.;
109	}	176	}
		177
		178	eval "sub TICK() { $TICK } 1" or die;
110		179
111	mkdir $_	180	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	181	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113		182
114	our $EMERGENCY_POSITION;	183	our $EMERGENCY_POSITION;
115		184
116	sub cf::map::normalise;	185	sub cf::map::normalise;
117		186
		187	sub in_main() {
		188	$Coro::current == $Coro::main
		189	}
		190
118	#############################################################################	191	#############################################################################
119		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
120	=head2 GLOBAL VARIABLES	204	=head2 GLOBAL VARIABLES
121		205
122	=over 4	206	=over 4
123		207
124	=item $cf::UPTIME	208	=item $cf::UPTIME
125		209
126	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.
127		226
128	=item $cf::RUNTIME	227	=item $cf::RUNTIME
129		228
130	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
131	every server tick.	230	every server tick.
132		231
133	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	232	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
134	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	233	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
135	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	234	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
136		235
137	Various directories - "/etc", read-only install directory, perl-library	236	Various directories - "/etc", read-only install directory, perl-library
138	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	237	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
139	unique-items directory, player file directory, random maps directory and	238	unique-items directory, player file directory, random maps directory and
140	database environment.	239	database environment.
141		240
142	=item $cf::NOW
143
144	The time of the last (current) server tick.
145
146	=item $cf::TICK
147
148	The interval between server ticks, in seconds.
149
150	=item $cf::LOADAVG	241	=item $cf::LOADAVG
151		242
152	The current CPU load on the server (alpha-smoothed), as a value between 0	243	The current CPU load on the server (alpha-smoothed), as a value between 0
153	(none) and 1 (overloaded), indicating how much time is spent on processing	244	(none) and 1 (overloaded), indicating how much time is spent on processing
154	objects per tick. Healthy values are < 0.5.	245	objects per tick. Healthy values are < 0.5.
…		…
157		248
158	The raw value load value from the last tick.	249	The raw value load value from the last tick.
159		250
160	=item %cf::CFG	251	=item %cf::CFG
161		252
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	253	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	254	from wherever your confdir points to.
164		255
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	256	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		257
167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	258	These are functions that inhibit the current coroutine one tick.
168	returns directly I<after> the tick processing (and consequently, can only wake one process	259	cf::wait_for_tick_begin only returns directly I<after> the tick
		260	processing (and consequently, can only wake one thread per tick), while
169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	261	cf::wait_for_tick wakes up all waiters after tick processing.
		262
		263	Note that cf::wait_for_tick will immediately return when the server is not
		264	ticking, making it suitable for small pauses in threads that need to run
		265	when the server is paused. If that is not applicable (i.e. you I<really>
		266	want to wait, use C<$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.
170		291
171	=back	292	=back
172		293
173	=cut	294	=cut
174		295
175	BEGIN {	296	sub error(@) { LOG llevError, join "", @_ }
176	*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 {
177	my $msg = join "", @_;	303	my $msg = join "", @_;
178		304
179	$msg .= "\n"	305	$msg .= "\n"
180	unless $msg =~ /\n$/;	306	unless $msg =~ /\n$/;
181		307
182	$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;
183		309
184	utf8::encode $msg;
185	LOG llevError, $msg;	310	LOG llevWarn, $msg;
186	};	311	};
187	}	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	};
188		326
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	327	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	328	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	329	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	330	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	337	for my $pkg (qw(
200	cf::global cf::attachable	338	cf::global cf::attachable
201	cf::object cf::object::player	339	cf::object cf::object::player
202	cf::client cf::player	340	cf::client cf::player
203	cf::arch cf::living	341	cf::arch cf::living
		342	cf::map cf::mapspace
204	cf::map cf::party cf::region	343	cf::party cf::region
205	)) {	344	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	345	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	346	}
209		347
210	$Event::DIED = sub {	348	$EV::DIED = sub {
211	warn "error in event callback: @_";	349	warn "error in event callback: $@";
212	};	350	};
		351
		352	#############################################################################
		353
		354	sub fork_call(&@);
		355	sub get_slot($;$$);
213		356
214	#############################################################################	357	#############################################################################
215		358
216	=head2 UTILITY FUNCTIONS	359	=head2 UTILITY FUNCTIONS
217		360
…		…
238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	381	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239	$d	382	$d
240	} || "[unable to dump $_[0]: '$@']";	383	} || "[unable to dump $_[0]: '$@']";
241	}	384	}
242		385
		386	=item $scalar = cf::load_file $path
		387
		388	Loads the given file from path and returns its contents. Croaks on error
		389	and can block.
		390
		391	=cut
		392
		393	sub load_file($) {
		394	0 <= aio_load $_[0], my $data
		395	or Carp::croak "$_[0]: $!";
		396
		397	$data
		398	}
		399
		400	=item $success = cf::replace_file $path, $data, $sync
		401
		402	Atomically replaces the file at the given $path with new $data, and
		403	optionally $sync the data to disk before replacing the file.
		404
		405	=cut
		406
		407	sub replace_file($$;$) {
		408	my ($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
243	=item $ref = cf::from_json $json	438	=item $ref = cf::decode_json $json
244		439
245	Converts a JSON string into the corresponding perl data structure.	440	Converts a JSON string into the corresponding perl data structure.
246		441
247	=item $json = cf::to_json $ref	442	=item $json = cf::encode_json $ref
248		443
249	Converts a perl data structure into its JSON representation.	444	Converts a perl data structure into its JSON representation.
250		445
251	=cut	446	=cut
252		447
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	448	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		449
255	sub to_json ($) { $json_coder->encode ($_[0]) }	450	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[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	}
257		528
258	=item cf::lock_wait $string	529	=item cf::lock_wait $string
259		530
260	Wait until the given lock is available. See cf::lock_acquire.	531	Wait until the given lock is available. See cf::lock_acquire.
261		532
262	=item my $lock = cf::lock_acquire $string	533	=item my $lock = cf::lock_acquire $string
263		534
264	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
265	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,
266	for example when the coroutine gets canceled), the lock is automatically	537	for example when the coroutine gets canceled), the lock is automatically
267	returned.	538	returned.
268		539
		540	Locks are *not* recursive, locking from the same coro twice results in a
		541	deadlocked coro.
		542
269	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
270	uses map_find and cf::map::load uses map_load).	544	uses map_find and cf::map::load uses map_load).
271		545
272	=item $locked = cf::lock_active $string	546	=item $locked = cf::lock_active $string
273		547
274	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.
275		549
276	=cut	550	=cut
277		551
278	our %LOCK;	552	our $LOCKS = new Coro::SemaphoreSet;
279		553
280	sub lock_wait($) {	554	sub lock_wait($) {
281	my ($key) = @_;	555	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	556	}
289		557
290	sub lock_acquire($) {	558	sub lock_acquire($) {
291	my ($key) = @_;	559	$LOCKS->guard ($_[0])
292
293	# wait, to be sure we are not locked
294	lock_wait $key;
295
296	$LOCK{$key} = [];
297
298	Coro::guard {
299	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };
301	}
302	}	560	}
303		561
304	sub lock_active($) {	562	sub lock_active($) {
305	my ($key) = @_;	563	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	564	}
309		565
310	sub freeze_mainloop {	566	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	567	tick_inhibit_inc;
312		568
313	my $guard = Coro::guard {	569	&Guard::guard (\&tick_inhibit_dec);
314	$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($$) {
		580	my ($interval, $cb) = @_;
		581
		582	my $start = rand List::Util::min 180, $interval;
		583
		584	EV::periodic $start, $interval, 0, $cb
		585	}
		586
		587	=item cf::get_slot $time[, $priority[, $name]]
		588
		589	Allocate $time seconds of blocking CPU time at priority C<$priority>
		590	(default: 0): This call blocks and returns only when you have at least
		591	C<$time> seconds of cpu time till the next tick. The slot is only valid
		592	till the next cede.
		593
		594	Background jobs should use a priority less than zero, interactive jobs
		595	should use 100 or more.
		596
		597	The optional C<$name> can be used to identify the job to run. It might be
		598	used for statistical purposes and should identify the same time-class.
		599
		600	Useful for short background jobs.
		601
		602	=cut
		603
		604	our @SLOT_QUEUE;
		605	our $SLOT_QUEUE;
		606	our $SLOT_DECAY = 0.9;
		607
		608	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		609	$SLOT_QUEUE = Coro::async {
		610	$Coro::current->desc ("timeslot manager");
		611
		612	my $signal = new Coro::Signal;
		613	my $busy;
		614
		615	while () {
		616	next_job:
		617
		618	Coro::cede;
		619
		620	my $avail = cf::till_tick;
		621
		622	for (0 .. $#SLOT_QUEUE) {
		623	if ($SLOT_QUEUE[$_][0] <= $avail) {
		624	$busy = 0;
		625	my $job = splice @SLOT_QUEUE, $_, 1, ();
		626	$job->[2]->send;
		627	goto next_job;
		628	} else {
		629	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		630	}
		631	}
		632
		633	if (@SLOT_QUEUE) {
		634	wait_for_tick;
		635	} else {
		636	$busy = 0;
		637	Coro::schedule;
		638	}
315	};	639	}
316	$TICK_WATCHER->stop;	640	};
317	$guard	641
		642	sub get_slot($;$$) {
		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	$sig->wait;
318	}	655	}
319		656
320	=item cf::async { BLOCK }	657	=item cf::async { BLOCK }
321		658
322	Currently the same as Coro::async_pool, meaning you cannot use	659	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		664
328	BEGIN { *async = \&Coro::async_pool }	665	BEGIN { *async = \&Coro::async_pool }
329		666
330	=item cf::sync_job { BLOCK }	667	=item cf::sync_job { BLOCK }
331		668
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	669	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	670	is always able to handle events or is runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	671	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	672	acceptable.
336		673
337	If it must be done, put the blocking parts into C<sync_job>. This will run	674	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	675	the given BLOCK in another coroutine while waiting for the result. The
…		…
342	=cut	679	=cut
343		680
344	sub sync_job(&) {	681	sub sync_job(&) {
345	my ($job) = @_;	682	my ($job) = @_;
346		683
347	if ($Coro::current == $Coro::main) {	684	if (in_main) {
348	my $time = Event::time;	685	my $time = AE::time;
349		686
350	# this is the main coro, too bad, we have to block	687	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	688	# till the operation succeeds, freezing the server :/
352		689
353	# TODO: use suspend/resume instead	690	#LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	691
355	my $freeze_guard = freeze_mainloop;	692	my $freeze_guard = freeze_mainloop;
356		693
357	my $busy = 1;	694	my $busy = 1;
358	my @res;	695	my @res;
359		696
360	(async {	697	(async {
		698	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	699	@res = eval { $job->() };
362	warn $@ if $@;	700	error $@ if $@;
363	undef $busy;	701	undef $busy;
364	})->prio (Coro::PRIO_MAX);	702	})->prio (Coro::PRIO_MAX);
365		703
366	while ($busy) {	704	while ($busy) {
367	Coro::cede or Event::one_event;	705	if (Coro::nready) {
		706	Coro::cede_notself;
		707	} else {
		708	EV::run EV::RUN_ONCE;
368	}	709	}
		710	}
369		711
370	$time = Event::time - $time;	712	my $time = AE::time - $time;
371		713
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	714	$TICK_START += $time; # do not account sync jobs to server load
376		715
377	wantarray ? @res : $res[0]	716	wantarray ? @res : $res[0]
378	} else {	717	} else {
379	# we are in another coroutine, how wonderful, everything just works	718	# we are in another coroutine, how wonderful, everything just works
380		719
…		…
400	$EXT_CORO{$coro+0} = $coro;	739	$EXT_CORO{$coro+0} = $coro;
401		740
402	$coro	741	$coro
403	}	742	}
404		743
405	=item fork_call { }, $args	744	=item fork_call { }, @args
406		745
407	Executes the given code block with the given arguments in a seperate	746	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	747	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	748	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	749	never block itself or use any form of event handling.
411		750
412	=cut	751	=cut
		752
		753	sub post_fork {
		754	reset_signals;
		755	}
413		756
414	sub fork_call(&@) {	757	sub fork_call(&@) {
415	my ($cb, @args) = @_;	758	my ($cb, @args) = @_;
416		759
417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	760	my @res = Coro::Util::fork_eval {
418	# or die "socketpair: $!";	761	cf::post_fork;
419	pipe my $fh1, my $fh2	762	&$cb
420	or die "pipe: $!";	763	} @args;
421		764
422	if (my $pid = fork) {	765	wantarray ? @res : $res[-1]
423	close $fh2;	766	}
424		767
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	768	sub objinfo {
426	$res = Coro::Storable::thaw $res;
427
428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
429
430	die $$res unless "ARRAY" eq ref $res;
431
432	return wantarray ? @$res : $res->[-1];
433	} else {
434	reset_signals;
435	local $SIG{__WARN__};
436	local $SIG{__DIE__};
437	eval {
438	close $fh1;
439
440	my @res = eval { $cb->(@args) };
441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
442	};
443
444	warn $@ if $@;
445	_exit 0;
446	}	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
447	}	804	}
448		805
449	=item $value = cf::db_get $family => $key	806	=item $value = cf::db_get $family => $key
450		807
451	Returns a single value from the environment database.	808	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	810	=item cf::db_put $family => $key => $value
454		811
455	Stores the given C<$value> in the family. It can currently store binary	812	Stores the given C<$value> in the family. It can currently store binary
456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	813	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
457		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
458	=cut	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	}
459		841
460	our $DB;	842	our $DB;
461		843
462	sub db_init {	844	sub db_init {
463	unless ($DB) {	845	$DB ||= db_table "db";
464	$DB = BDB::db_create $DB_ENV;
465
466	cf::sync_job {
467	eval {
468	$DB->set_flags (BDB::CHKSUM);
469
470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472	cf::cleanup "db_open(db): $!" if $!;
473	};
474	cf::cleanup "db_open(db): $@" if $@;
475	};
476	}
477	}	846	}
478		847
479	sub db_get($$) {	848	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	849	my $key = "$_[0]/$_[1]";
481		850
482	cf::sync_job {	851	cf::error "db_get called from main context"
		852	if $Coro::current == $Coro::main;
		853
483	BDB::db_get $DB, undef, $key, my $data;	854	BDB::db_get $DB, undef, $key, my $data;
484		855
485	$! ? ()	856	$! ? ()
486	: $data	857	: $data
487	}
488	}	858	}
489		859
490	sub db_put($$$) {	860	sub db_put($$$) {
491	BDB::dbreq_pri 4;	861	BDB::dbreq_pri 4;
492	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	862	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
520		890
521	my @data;	891	my @data;
522	my $md5;	892	my $md5;
523		893
524	for (0 .. $#$src) {	894	for (0 .. $#$src) {
525	0 <= aio_load $src->[$_], $data[$_]	895	$data[$_] = load_file $src->[$_];
526	or Carp::croak "$src->[$_]: $!";
527	}	896	}
528		897
529	# if processing is expensive, check	898	# if processing is expensive, check
530	# checksum first	899	# checksum first
531	if (1) {	900	if (1) {
532	$md5 =	901	$md5 =
533	join "\x00",	902	join "\x00",
534	$processversion,	903	$processversion,
535	map {	904	map {
536	Coro::cede;	905	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	906	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	907	} 0.. $#$src;
539		908
540		909
541	my $dbmd5 = db_get cache => "$id/md5";	910	my $dbmd5 = db_get cache => "$id/md5";
…		…
544		913
545	return db_get cache => "$id/data";	914	return db_get cache => "$id/data";
546	}	915	}
547	}	916	}
548		917
549	my $t1 = Time::HiRes::time;	918	my $t1 = EV::time;
550	my $data = $process->(\@data);	919	my $data = $process->(\@data);
551	my $t2 = Time::HiRes::time;	920	my $t2 = EV::time;
552		921
553	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	922	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
554		923
555	db_put cache => "$id/data", $data;	924	db_put cache => "$id/data", $data;
556	db_put cache => "$id/md5" , $md5;	925	db_put cache => "$id/md5" , $md5;
557	db_put cache => "$id/meta", $meta;	926	db_put cache => "$id/meta", $meta;
558		927
…		…
568		937
569	=cut	938	=cut
570		939
571	sub datalog($@) {	940	sub datalog($@) {
572	my ($type, %kv) = @_;	941	my ($type, %kv) = @_;
573	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	942	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
574	}	943	}
575		944
576	=back	945	=back
577		946
578	=cut	947	=cut
579		948
580	#############################################################################	949	#############################################################################
581		950
582	=head2 ATTACHABLE OBJECTS	951	=head2 ATTACHABLE OBJECTS
583		952
584	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
585	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")
586	to it. All such attachable objects support the following methods.	955	to it. All such attachable objects support the following methods.
587		956
588	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>
589	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
590	Crossfire TRT).	959	Deliantra).
591		960
592	=over 4	961	=over 4
593		962
594	=item $attachable->attach ($attachment, key => $value...)	963	=item $attachable->attach ($attachment, key => $value...)
595		964
…		…
639	=item cf::CLASS::attachment $name, ...	1008	=item cf::CLASS::attachment $name, ...
640		1009
641	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
642	given CLASS can refer to this attachment.	1011	given CLASS can refer to this attachment.
643		1012
644	Some classes such as crossfire maps and objects can specify attachments	1013	Some classes such as deliantra maps and objects can specify attachments
645	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.
646		1015
647	These calls expect any number of the following handler/hook descriptions:	1016	These calls expect any number of the following handler/hook descriptions:
648		1017
649	=over 4	1018	=over 4
…		…
773		1142
774	} elsif (exists $cb_id{$type}) {	1143	} elsif (exists $cb_id{$type}) {
775	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1144	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
776		1145
777	} elsif (ref $type) {	1146	} elsif (ref $type) {
778	warn "attaching objects not supported, ignoring.\n";	1147	error "attaching objects not supported, ignoring.\n";
779		1148
780	} else {	1149	} else {
781	shift @arg;	1150	shift @arg;
782	warn "attach argument '$type' not supported, ignoring.\n";	1151	error "attach argument '$type' not supported, ignoring.\n";
783	}	1152	}
784	}	1153	}
785	}	1154	}
786		1155
787	sub _object_attach {	1156	sub _object_attach {
…		…
797	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
798	}	1167	}
799		1168
800	$obj->{$name} = \%arg;	1169	$obj->{$name} = \%arg;
801	} else {	1170	} else {
802	warn "object uses attachment '$name' which is not available, postponing.\n";	1171	info "object uses attachment '$name' which is not available, postponing.\n";
803	}	1172	}
804		1173
805	$obj->{_attachment}{$name} = undef;	1174	$obj->{_attachment}{$name} = undef;
806	}	1175	}
807		1176
…		…
847	";	1216	";
848	die if $@;	1217	die if $@;
849	}	1218	}
850		1219
851	our $override;	1220	our $override;
852	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?
853		1222
854	sub override {	1223	sub override {
855	$override = 1;	1224	$override = 1;
856	@invoke_results = ();	1225	@INVOKE_RESULTS = (@_);
857	}	1226	}
858		1227
859	sub do_invoke {	1228	sub do_invoke {
860	my $event = shift;	1229	my $event = shift;
861	my $callbacks = shift;	1230	my $callbacks = shift;
862		1231
863	@invoke_results = ();	1232	@INVOKE_RESULTS = ();
864		1233
865	local $override;	1234	local $override;
866		1235
867	for (@$callbacks) {	1236	for (@$callbacks) {
868	eval { &{$_->[1]} };	1237	eval { &{$_->[1]} };
869		1238
870	if ($@) {	1239	if ($@) {
871	warn "$@";
872	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1240	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
873	override;	1241	override;
874	}	1242	}
875		1243
876	return 1 if $override;	1244	return 1 if $override;
877	}	1245	}
878		1246
879	0	1247	0
880	}	1248	}
881		1249
882	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1250	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883		1251
884	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1252	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885		1253
886	Generate an object-specific event with the given arguments.	1254	Generate an object-specific event with the given arguments.
887		1255
888	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
889	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
890	results (if you must, access C<@cf::invoke_results> directly).	1258	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		1259
892	=back	1260	=back
893		1261
894	=cut	1262	=cut
895		1263
896	#############################################################################	1264	#############################################################################
897	# 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	}
898		1308
899	sub reattach {	1309	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1310	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1311	my ($obj) = @_;
902		1312
		1313	# no longer needed after getting rid of delete_package?
903	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
904		1315
905	my $registry = $obj->registry;	1316	my $registry = $obj->registry;
906		1317
907	@$registry = ();	1318	@$registry = ();
908		1319
…		…
913	for (@$attach) {	1324	for (@$attach) {
914	my ($klass, @attach) = @$_;	1325	my ($klass, @attach) = @$_;
915	_attach $registry, $klass, @attach;	1326	_attach $registry, $klass, @attach;
916	}	1327	}
917	} else {	1328	} else {
918	warn "object uses attachment '$name' that is not available, postponing.\n";	1329	info "object uses attachment '$name' that is not available, postponing.\n";
919	}	1330	}
920	}	1331	}
921	}	1332	}
922		1333
923	cf::attachable->attach (	1334	cf::attachable->attach (
924	prio => -1000000,	1335	prio => -1000000,
925	on_instantiate => sub {	1336	on_instantiate => sub {
926	my ($obj, $data) = @_;	1337	my ($obj, $data) = @_;
927		1338
928	$data = from_json $data;	1339	$data = decode_json $data;
929		1340
930	for (@$data) {	1341	for (@$data) {
931	my ($name, $args) = @$_;	1342	my ($name, $args) = @$_;
932		1343
933	$obj->attach ($name, %{$args || {} });	1344	$obj->attach ($name, %{$args || {} });
…		…
949	sub object_freezer_save {	1360	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1361	my ($filename, $rdata, $objs) = @_;
951		1362
952	sync_job {	1363	sync_job {
953	if (length $$rdata) {	1364	if (length $$rdata) {
		1365	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1366	trace sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1367	$decname, length $$rdata, scalar @$objs
		1368	if $VERBOSE_IO;
956		1369
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1370	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1371	aio_chmod $fh, SAVE_MODE;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1372	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	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	}
961	close $fh;	1377	aio_close $fh;
962		1378
963	if (@$objs) {	1379	if (@$objs) {
964	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) {
965	chmod SAVE_MODE, $fh;	1381	aio_chmod $fh, SAVE_MODE;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1382	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1383	aio_write $fh, 0, (length $data), $data, 0;
968	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	}
969	close $fh;	1388	aio_close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1389	aio_rename "$filename.pst~", "$filename.pst";
971	}	1390	}
972	} else {	1391	} else {
973	aio_unlink "$filename.pst";	1392	aio_unlink "$filename.pst";
974	}	1393	}
975		1394
976	aio_rename "$filename~", $filename;	1395	aio_rename "$filename~", $filename;
		1396
		1397	$filename =~ s%/[^/]+$%%;
		1398	aio_pathsync $filename if $cf::USE_FSYNC;
977	} else {	1399	} else {
978	warn "FATAL: $filename~: $!\n";	1400	error "unable to save objects: $filename~: $!\n";
979	}	1401	}
980	} else {	1402	} else {
981	aio_unlink $filename;	1403	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1404	aio_unlink "$filename.pst";
983	}	1405	}
984	}	1406	};
985	}	1407	}
986		1408
987	sub object_freezer_as_string {	1409	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1410	my ($rdata, $objs) = @_;
989		1411
…		…
1001	or return;	1423	or return;
1002		1424
1003	unless (aio_stat "$filename.pst") {	1425	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1426	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1427	or return;
		1428
1006	$av = eval { (Storable::thaw $av)->{objs} };	1429	my $st = eval { Coro::Storable::thaw $av };
		1430	$av = $st->{objs};
1007	}	1431	}
1008		1432
		1433	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1434	trace sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1435	$decname, length $data, scalar @{$av || []}
		1436	if $VERBOSE_IO;
		1437
1011	return ($data, $av);	1438	($data, $av)
1012	}	1439	}
1013		1440
1014	=head2 COMMAND CALLBACKS	1441	=head2 COMMAND CALLBACKS
1015		1442
1016	=over 4	1443	=over 4
…		…
1018	=cut	1445	=cut
1019		1446
1020	#############################################################################	1447	#############################################################################
1021	# command handling &c	1448	# command handling &c
1022		1449
1023	=item cf::register_command $name => \&callback($ob,$args);	1450	=item cf::register_command $name => \&callback($ob,$args)
1024		1451
1025	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
1026	$name.	1453	$name.
1027		1454
1028	=cut	1455	=cut
…		…
1034	#warn "registering command '$name/$time' to '$caller'";	1461	#warn "registering command '$name/$time' to '$caller'";
1035		1462
1036	push @{ $COMMAND{$name} }, [$caller, $cb];	1463	push @{ $COMMAND{$name} }, [$caller, $cb];
1037	}	1464	}
1038		1465
1039	=item cf::register_extcmd $name => \&callback($pl,$packet);	1466	=item cf::register_extcmd $name => \&callback($pl,@args)
1040		1467
1041	Register a callback for execution when the client sends an (synchronous)	1468	Register a callback for execution when the client sends an (synchronous)
1042	extcmd packet. Ext commands will be processed in the order they are	1469	extcmd packet. Ext commands will be processed in the order they are
1043	received by the server, like other user commands. The first argument is	1470	received by the server, like other user commands. The first argument is
1044	the logged-in player. Ext commands can only be processed after a player	1471	the logged-in player. Ext commands can only be processed after a player
1045	has logged in successfully.	1472	has logged in successfully.
1046		1473
1047	If the callback returns something, it is sent back as if reply was being	1474	The values will be sent back to the client.
1048	called.
1049		1475
		1476	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
		1477
		1478	Same as C<cf::register_extcmd>, but instead of returning values, the
		1479	callback needs to clal the C<$reply> function.
		1480
1050	=item cf::register_exticmd $name => \&callback($ns,$packet);	1481	=item cf::register_exticmd $name => \&callback($ns,@args)
1051		1482
1052	Register a callback for execution when the client sends an (asynchronous)	1483	Register a callback for execution when the client sends an (asynchronous)
1053	exticmd packet. Exti commands are processed by the server as soon as they	1484	exticmd packet. Exti commands are processed by the server as soon as they
1054	are received, i.e. out of order w.r.t. other commands. The first argument	1485	are received, i.e. out of order w.r.t. other commands. The first argument
1055	is a client socket. Exti commands can be received anytime, even before	1486	is a client socket. Exti commands can be received anytime, even before
1056	log-in.	1487	log-in.
1057		1488
1058	If the callback returns something, it is sent back as if reply was being	1489	The values will be sent back to the client.
1059	called.
1060		1490
1061	=cut	1491	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1062		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
1063	sub register_extcmd {	1498	sub register_extcmd($$) {
1064	my ($name, $cb) = @_;	1499	my ($name, $cb) = @_;
1065		1500
1066	$EXTCMD{$name} = $cb;	1501	$EXTCMD{$name} = $cb;
1067	}	1502	}
1068		1503
1069	sub register_exticmd {	1504	sub register_async_extcmd($$) {
1070	my ($name, $cb) = @_;	1505	my ($name, $cb) = @_;
1071		1506
		1507	$EXTACMD{$name} = $cb;
		1508	}
		1509
		1510	sub register_exticmd($$) {
		1511	my ($name, $cb) = @_;
		1512
1072	$EXTICMD{$name} = $cb;	1513	$EXTICMD{$name} = $cb;
1073	}	1514	}
1074		1515
		1516	sub register_async_exticmd($$) {
		1517	my ($name, $cb) = @_;
		1518
		1519	$EXTIACMD{$name} = $cb;
		1520	}
		1521
		1522	use File::Glob ();
		1523
1075	cf::player->attach (	1524	cf::player->attach (
1076	on_command => sub {	1525	on_unknown_command => sub {
1077	my ($pl, $name, $params) = @_;	1526	my ($pl, $name, $params) = @_;
1078		1527
1079	my $cb = $COMMAND{$name}	1528	my $cb = $COMMAND{$name}
1080	or return;	1529	or return;
1081		1530
…		…
1089	my ($pl, $buf) = @_;	1538	my ($pl, $buf) = @_;
1090		1539
1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1540	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1541
1093	if (ref $msg) {	1542	if (ref $msg) {
		1543	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1544
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1545	if (my $cb = $EXTACMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1546	$cb->(
1096	$pl->ext_reply ($msg->{msgid}, %reply);	1547	$pl,
		1548	sub {
		1549	$pl->ext_msg ("reply-$reply", @_)
		1550	if $reply;
		1551	},
		1552	@payload
		1553	);
		1554	} else {
		1555	my @reply;
		1556
		1557	if (my $cb = $EXTCMD{$type}) {
		1558	@reply = $cb->($pl, @payload);
1097	}	1559	}
		1560
		1561	$pl->ext_msg ("reply-$reply", @reply)
		1562	if $reply;
1098	}	1563	}
		1564
1099	} else {	1565	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1566	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1567	}
1102		1568
1103	cf::override;	1569	cf::override;
1104	},	1570	},
1105	);	1571	);
1106		1572
		1573	# "readahead" all extensions
		1574	sub cache_extensions {
		1575	my $grp = IO::AIO::aio_group;
		1576
		1577	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1578	for (grep /\.ext$/, @{$_[0]}) {
		1579	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1580	}
		1581	};
		1582
		1583	$grp
		1584	}
		1585
		1586	sub _ext_cfg_reg($$$$) {
		1587	my ($rvar, $varname, $cfgname, $default) = @_;
		1588
		1589	$cfgname = lc $varname
		1590	unless length $cfgname;
		1591
		1592	$EXT_CFG{$cfgname} = [$rvar, $default];
		1593
		1594	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1595	}
		1596
1107	sub load_extensions {	1597	sub load_extensions {
		1598	info "loading extensions...";
		1599
		1600	%EXT_CFG = ();
		1601
1108	cf::sync_job {	1602	cf::sync_job {
1109	my %todo;	1603	my %todo;
1110		1604
1111	for my $path (<$LIBDIR/*.ext>) {	1605	for my $path (<$LIBDIR/*.ext>) {
1112	next unless -r $path;	1606	next unless -r $path;
…		…
1130		1624
1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1625	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1626	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133		1627
1134	$ext{source} =	1628	$ext{source} =
1135	"package $pkg; use strict; use utf8;\n"	1629	"package $pkg; use common::sense;\n"
1136	. "#line 1 \"$path\"\n{\n"	1630	. "#line 1 \"$path\"\n{\n"
1137	. $source	1631	. $source
1138	. "\n};\n1";	1632	. "\n};\n1";
1139		1633
1140	$todo{$base} = \%ext;	1634	$todo{$base} = \%ext;
1141	}	1635	}
1142		1636
		1637	my $pass = 0;
1143	my %done;	1638	my %done;
1144	while (%todo) {	1639	while (%todo) {
1145	my $progress;	1640	my $progress;
1146		1641
		1642	++$pass;
		1643
		1644	ext:
1147	while (my ($k, $v) = each %todo) {	1645	while (my ($k, $v) = each %todo) {
1148	for (split /,\s*/, $v->{meta}{depends}) {	1646	for (split /,\s*/, $v->{meta}{depends}) {
1149	goto skip	1647	next ext
1150	unless exists $done{$_};	1648	unless exists $done{$_};
1151	}	1649	}
1152		1650
1153	warn "... loading '$k' into '$v->{pkg}'\n";	1651	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1154		1652
1155	unless (eval $v->{source}) {	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 $@) {
1156	my $msg = $@ ? "$v->{path}: $@\n"	1665	error "$v->{path}: $@\n";
1157	: "$v->{base}: extension inactive.\n";
1158		1666
		1667	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1159	if (exists $v->{meta}{mandatory}) {	1668	if exists $v->{meta}{mandatory};
1160	warn $msg;	1669
1161	warn "mandatory extension failed to load, exiting.\n";	1670	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1162	exit 1;	1671	delete $todo{$k};
1163	}	1672	} else {
1164		1673	$done{$k} = delete $todo{$k};
1165	warn $msg;	1674	push @EXTS, $v->{pkg};
		1675	$progress = 1;
		1676
		1677	info "$v->{base}: extension inactive.\n"
		1678	unless $active;
1166	}	1679	}
1167
1168	$done{$k} = delete $todo{$k};
1169	push @EXTS, $v->{pkg};
1170	$progress = 1;
1171	}	1680	}
1172		1681
1173	skip:	1682	unless ($progress) {
1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1683	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1175	unless $progress;	1684
		1685	while (my ($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	}
1176	}	1692	}
1177	};	1693	};
1178	}	1694	}
1179		1695
1180	#############################################################################	1696	#############################################################################
1181		1697
1182	=back	1698	=back
1183		1699
1184	=head2 CORE EXTENSIONS	1700	=head2 CORE EXTENSIONS
1185		1701
1186	Functions and methods that extend core crossfire objects.	1702	Functions and methods that extend core deliantra objects.
1187		1703
1188	=cut	1704	=cut
1189		1705
1190	package cf::player;	1706	package cf::player;
1191		1707
1192	use Coro::AIO;	1708	use Coro::AIO;
1193		1709
1194	=head3 cf::player	1710	=head3 cf::player
1195		1711
1196	=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	}
1197		1727
1198	=item cf::player::find $login	1728	=item cf::player::find $login
1199		1729
1200	Returns the given player object, loading it if necessary (might block).	1730	Returns the given player object, loading it if necessary (might block).
1201		1731
…		…
1220		1750
1221	sub exists($) {	1751	sub exists($) {
1222	my ($login) = @_;	1752	my ($login) = @_;
1223		1753
1224	$cf::PLAYER{$login}	1754	$cf::PLAYER{$login}
1225	or cf::sync_job { !aio_stat path $login }	1755	or !aio_stat path $login
1226	}	1756	}
1227		1757
1228	sub find($) {	1758	sub find($) {
1229	return $cf::PLAYER{$_[0]} || do {	1759	return $cf::PLAYER{$_[0]} || do {
1230	my $login = $_[0];	1760	my $login = $_[0];
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1767	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1768	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1769	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1770	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1771
1242	my $pl = load_pl path $login	1772	my $f = new_from_file cf::object::thawer path $login
1243	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;
1244	$cf::PLAYER{$login} = $pl	1780	$cf::PLAYER{$login} = $pl
1245	}	1781	}
1246	}	1782	}
1247	}	1783	}
		1784
		1785	cf::player->attach (
		1786	on_load => sub {
		1787	my ($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	);
1248		1797
1249	sub save($) {	1798	sub save($) {
1250	my ($pl) = @_;	1799	my ($pl) = @_;
1251		1800
1252	return if $pl->{deny_save};	1801	return if $pl->{deny_save};
…		…
1257	return if $pl->{deny_save};	1806	return if $pl->{deny_save};
1258		1807
1259	aio_mkdir playerdir $pl, 0770;	1808	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1809	$pl->{last_save} = $cf::RUNTIME;
1261		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
1262	$pl->save_pl ($path);	1816	$pl->save_pl ($path);
1263	Coro::cede;	1817	cf::cede_to_tick;
1264	}	1818	}
1265		1819
1266	sub new($) {	1820	sub new($) {
1267	my ($login) = @_;	1821	my ($login) = @_;
1268		1822
…		…
1274	$cf::PLAYER{$login} = $self;	1828	$cf::PLAYER{$login} = $self;
1275		1829
1276	$self	1830	$self
1277	}	1831	}
1278		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
1279	=item $pl->quit_character	1843	=item $pl->quit_character
1280		1844
1281	Nukes the player without looking back. If logged in, the connection will	1845	Nukes the player without looking back. If logged in, the connection will
1282	be destroyed. May block for a long time.	1846	be destroyed. May block for a long time.
1283		1847
…		…
1287	my ($pl) = @_;	1851	my ($pl) = @_;
1288		1852
1289	my $name = $pl->ob->name;	1853	my $name = $pl->ob->name;
1290		1854
1291	$pl->{deny_save} = 1;	1855	$pl->{deny_save} = 1;
1292	$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
1293		1857
1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1858	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1295	$pl->deactivate;	1859	$pl->deactivate;
		1860
		1861	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1862	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1863	ext::highscore::check ($pl->ob);
		1864
1297	$pl->ns->destroy if $pl->ns;	1865	$pl->ns->destroy if $pl->ns;
1298		1866
1299	my $path = playerdir $pl;	1867	my $path = playerdir $pl;
1300	my $temp = "$path~$cf::RUNTIME~deleting~";	1868	my $temp = "$path~$cf::RUNTIME~deleting~";
1301	aio_rename $path, $temp;	1869	aio_rename $path, $temp;
…		…
1336	or return [];	1904	or return [];
1337		1905
1338	my @logins;	1906	my @logins;
1339		1907
1340	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") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1914	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1915	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1916	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1917	}
1344		1918
1345	utf8::decode $login;	1919	utf8::decode $login;
1346	push @logins, $login;	1920	push @logins, $login;
1347	}	1921	}
1348		1922
1349	\@logins	1923	\@logins
1350	}	1924	}
1351		1925
1352	=item $player->maps	1926	=item $player->maps
		1927
		1928	=item cf::player::maps $login
1353		1929
1354	Returns an arrayref of map paths that are private for this	1930	Returns an arrayref of map paths that are private for this
1355	player. May block.	1931	player. May block.
1356		1932
1357	=cut	1933	=cut
…		…
1375	}	1951	}
1376		1952
1377	\@paths	1953	\@paths
1378	}	1954	}
1379		1955
1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1956	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381		1957
1382	Expand crossfire pod fragments into protocol xml.	1958	Expand deliantra pod fragments into protocol xml.
1383		1959
1384	=cut
1385
1386	sub expand_cfpod {
1387	((my $self), (local $_)) = @_;
1388
1389	# escape & and <
1390	s/&/&amp;/g;
1391	s/(?<![BIUGH])</&lt;/g;
1392
1393	# this is buggy, it needs to properly take care of nested <'s
1394
1395	1 while
1396	# replace B<>, I<>, U<> etc.
1397	s/B<([^\>]*)>/<b>$1<\/b>/
1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
1400	# replace G<male|female> tags
1401	|| s{G<([^>|]*)\|([^>]*)>}{
1402	$self->gender ? $2 : $1
1403	}ge
1404	# replace H<hint text>
1405	|| s{H<([^\>]*)>}
1406	{
1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1409	"")
1410	[$self->{hintmode}]
1411	}ge;
1412
1413	# create single paragraphs (very hackish)
1414	s/(?<=\S)\n(?=\w)/ /g;
1415
1416	# compress some whitespace
1417	s/\s+\n/\n/g; # ws line-ends
1418	s/\n\n+/\n/g; # double lines
1419	s/^\n+//; # beginning lines
1420	s/\n+$//; # ending lines
1421
1422	$_
1423	}
1424
1425	sub hintmode {
1426	$_[0]{hintmode} = $_[1] if @_ > 1;
1427	$_[0]{hintmode}
1428	}
1429
1430	=item $player->ext_reply ($msgid, %msg)
1431
1432	Sends an ext reply to the player.
1433
1434	=cut
1435
1436	sub ext_reply($$%) {
1437	my ($self, $id, %msg) = @_;
1438
1439	$msg{msgid} = $id;
1440	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1441	}
1442
1443	=item $player->ext_event ($type, %msg)	1960	=item $player->ext_msg ($type, @msg)
1444		1961
1445	Sends an ext event to the client.	1962	Sends an ext event to the client.
1446		1963
1447	=cut	1964	=cut
1448		1965
1449	sub ext_event($$%) {	1966	sub ext_msg($$@) {
1450	my ($self, $type, %msg) = @_;	1967	my ($self, $type, @msg) = @_;
1451		1968
1452	$self->ns->ext_event ($type, %msg);	1969	$self->ns->ext_msg ($type, @msg);
1453	}	1970	}
1454		1971
1455	=head3 cf::region	1972	=head3 cf::region
1456		1973
1457	=over 4	1974	=over 4
…		…
1467	=cut	1984	=cut
1468		1985
1469	sub find_by_path($) {	1986	sub find_by_path($) {
1470	my ($path) = @_;	1987	my ($path) = @_;
1471		1988
		1989	$path =~ s/^~[^\/]*//; # skip ~login
		1990
1472	my ($match, $specificity);	1991	my ($match, $specificity);
1473		1992
1474	for my $region (list) {	1993	for my $region (list) {
1475	if ($region->match && $path =~ $region->match) {	1994	if ($region->{match} && $path =~ $region->{match}) {
1476	($match, $specificity) = ($region, $region->specificity)	1995	($match, $specificity) = ($region, $region->specificity)
1477	if $region->specificity > $specificity;	1996	if $region->specificity > $specificity;
1478	}	1997	}
1479	}	1998	}
1480		1999
…		…
1501	our $MAX_RESET = 3600;	2020	our $MAX_RESET = 3600;
1502	our $DEFAULT_RESET = 3000;	2021	our $DEFAULT_RESET = 3000;
1503		2022
1504	sub generate_random_map {	2023	sub generate_random_map {
1505	my ($self, $rmp) = @_;	2024	my ($self, $rmp) = @_;
1506	# mit "rum" bekleckern, nicht	2025
		2026	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2027
1507	$self->_create_random_map (	2028	$self->_create_random_map ($rmp);
1508	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1509	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1510	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1511	$rmp->{exit_on_final_map},
1512	$rmp->{xsize}, $rmp->{ysize},
1513	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1514	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1515	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1516	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1517	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1518	(cf::region::find $rmp->{region}), $rmp->{custom}
1519	)
1520	}	2029	}
1521		2030
1522	=item cf::map->register ($regex, $prio)	2031	=item cf::map->register ($regex, $prio)
1523		2032
1524	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
…		…
1529		2038
1530	sub register {	2039	sub register {
1531	my (undef, $regex, $prio) = @_;	2040	my (undef, $regex, $prio) = @_;
1532	my $pkg = caller;	2041	my $pkg = caller;
1533		2042
1534	no strict;
1535	push @{"$pkg\::ISA"}, __PACKAGE__;	2043	push @{"$pkg\::ISA"}, __PACKAGE__;
1536		2044
1537	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2045	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1538	}	2046	}
1539		2047
1540	# also paths starting with '/'	2048	# also paths starting with '/'
1541	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2049	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1542		2050
1543	sub thawer_merge {	2051	sub thawer_merge {
1544	my ($self, $merge) = @_;	2052	my ($self, $merge) = @_;
1545		2053
1546	# we have to keep some variables in memory intact	2054	# we have to keep some variables in memory intact
…		…
1551	}	2059	}
1552		2060
1553	sub normalise {	2061	sub normalise {
1554	my ($path, $base) = @_;	2062	my ($path, $base) = @_;
1555		2063
1556	$path = "$path"; # make sure its a string	2064	$path = "$path"; # make sure it's a string
1557		2065
1558	$path =~ s/\.map$//;	2066	$path =~ s/\.map$//;
1559		2067
1560	# map plan:	2068	# map plan:
1561	#	2069	#
…		…
1576	$base =~ s{[^/]+/?$}{};	2084	$base =~ s{[^/]+/?$}{};
1577	$path = "$base/$path";	2085	$path = "$base/$path";
1578	}	2086	}
1579		2087
1580	for ($path) {	2088	for ($path) {
1581	redo if s{//}{/};
1582	redo if s{/\.?/}{/};	2089	redo if s{/\.?/}{/};
1583	redo if s{/[^/]+/\.\./}{/};	2090	redo if s{/[^/]+/\.\./}{/};
1584	}	2091	}
1585		2092
1586	$path	2093	$path
…		…
1600	$self->init; # pass $1 etc.	2107	$self->init; # pass $1 etc.
1601	return $self;	2108	return $self;
1602	}	2109	}
1603	}	2110	}
1604		2111
1605	Carp::carp "unable to resolve path '$path' (base '$base').";	2112	Carp::cluck "unable to resolve path '$path' (base '$base')";
1606	()	2113	()
1607	}	2114	}
1608		2115
		2116	# may re-bless or do other evil things
1609	sub init {	2117	sub init {
1610	my ($self) = @_;	2118	my ($self) = @_;
1611		2119
1612	$self	2120	$self
1613	}	2121	}
…		…
1632		2140
1633	# the temporary/swap location	2141	# the temporary/swap location
1634	sub save_path {	2142	sub save_path {
1635	my ($self) = @_;	2143	my ($self) = @_;
1636		2144
1637	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2145	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1638	"$TMPDIR/$path.map"	2146	"$TMPDIR/$path.map"
1639	}	2147	}
1640		2148
1641	# the unique path, undef == no special unique path	2149	# the unique path, undef == no special unique path
1642	sub uniq_path {	2150	sub uniq_path {
1643	my ($self) = @_;	2151	my ($self) = @_;
1644		2152
1645	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2153	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1646	"$UNIQUEDIR/$path"	2154	"$UNIQUEDIR/$path"
1647	}
1648
1649	# and all this just because we cannot iterate over
1650	# all maps in C++...
1651	sub change_all_map_light {
1652	my ($change) = @_;
1653
1654	$_->change_map_light ($change)
1655	for grep $_->outdoor, values %cf::MAP;
1656	}	2155	}
1657		2156
1658	sub decay_objects {	2157	sub decay_objects {
1659	my ($self) = @_;	2158	my ($self) = @_;
1660		2159
…		…
1673		2172
1674	sub load_header_from($) {	2173	sub load_header_from($) {
1675	my ($self, $path) = @_;	2174	my ($self, $path) = @_;
1676		2175
1677	utf8::encode $path;	2176	utf8::encode $path;
1678	#aio_open $path, O_RDONLY, 0	2177	my $f = new_from_file cf::object::thawer $path
1679	# or return;
1680
1681	$self->_load_header ($path)
1682	or return;	2178	or return;
1683		2179
		2180	$self->_load_header ($f)
		2181	or return;
		2182
		2183	local $MAP_LOADING{$self->{path}} = $self;
		2184	$f->resolve_delayed_derefs;
		2185
1684	$self->{load_path} = $path;	2186	$self->{load_path} = $path;
1685		2187
1686	1	2188	1
1687	}	2189	}
1688		2190
		2191	# used to laod the header of an original map
1689	sub load_header_orig {	2192	sub load_header_orig {
1690	my ($self) = @_;	2193	my ($self) = @_;
1691		2194
1692	$self->load_header_from ($self->load_path)	2195	$self->load_header_from ($self->load_path)
1693	}	2196	}
1694		2197
		2198	# used to laod the header of an instantiated map
1695	sub load_header_temp {	2199	sub load_header_temp {
1696	my ($self) = @_;	2200	my ($self) = @_;
1697		2201
1698	$self->load_header_from ($self->save_path)	2202	$self->load_header_from ($self->save_path)
1699	}	2203	}
1700		2204
		2205	# called after loading the header from an instantiated map
1701	sub prepare_temp {	2206	sub prepare_temp {
1702	my ($self) = @_;	2207	my ($self) = @_;
1703		2208
1704	$self->last_access ((delete $self->{last_access})	2209	$self->last_access ((delete $self->{last_access})
1705	|| $cf::RUNTIME); #d#	2210	|| $cf::RUNTIME); #d#
1706	# safety	2211	# safety
1707	$self->{instantiate_time} = $cf::RUNTIME	2212	$self->{instantiate_time} = $cf::RUNTIME
1708	if $self->{instantiate_time} > $cf::RUNTIME;	2213	if $self->{instantiate_time} > $cf::RUNTIME;
1709	}	2214	}
1710		2215
		2216	# called after loading the header from an original map
1711	sub prepare_orig {	2217	sub prepare_orig {
1712	my ($self) = @_;	2218	my ($self) = @_;
1713		2219
1714	$self->{load_original} = 1;	2220	$self->{load_original} = 1;
1715	$self->{instantiate_time} = $cf::RUNTIME;	2221	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1739		2245
1740	sub find;	2246	sub find;
1741	sub find {	2247	sub find {
1742	my ($path, $origin) = @_;	2248	my ($path, $origin) = @_;
1743		2249
		2250	cf::cede_to_tick;
		2251
1744	$path = normalise $path, $origin && $origin->path;	2252	$path = normalise $path, $origin;
1745		2253
		2254	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1746	cf::lock_wait "map_find:$path";	2255	my $guard2 = cf::lock_acquire "map_find:$path";
1747		2256
1748	$cf::MAP{$path} || do {	2257	$cf::MAP{$path} || do {
1749	my $guard = cf::lock_acquire "map_find:$path";
1750	my $map = new_from_path cf::map $path	2258	my $map = new_from_path cf::map $path
1751	or return;	2259	or return;
1752		2260
1753	$map->{last_save} = $cf::RUNTIME;	2261	$map->{last_save} = $cf::RUNTIME;
1754		2262
…		…
1756	or return;	2264	or return;
1757		2265
1758	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2266	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1759	# doing this can freeze the server in a sync job, obviously	2267	# doing this can freeze the server in a sync job, obviously
1760	#$cf::WAIT_FOR_TICK->wait;	2268	#$cf::WAIT_FOR_TICK->wait;
		2269	undef $guard2;
		2270	undef $guard1;
1761	$map->reset;	2271	$map->reset;
1762	undef $guard;
1763	return find $path;	2272	return find $path;
1764	}	2273	}
1765		2274
1766	$cf::MAP{$path} = $map	2275	$cf::MAP{$path} = $map
1767	}	2276	}
1768	}	2277	}
1769		2278
1770	sub pre_load { }	2279	sub pre_load { }
1771	sub post_load { }	2280	#sub post_load { } # XS
1772		2281
1773	sub load {	2282	sub load {
1774	my ($self) = @_;	2283	my ($self) = @_;
1775		2284
1776	local $self->{deny_reset} = 1; # loading can take a long time	2285	local $self->{deny_reset} = 1; # loading can take a long time
1777		2286
1778	my $path = $self->{path};	2287	my $path = $self->{path};
1779		2288
1780	{	2289	{
1781	my $guard = cf::lock_acquire "map_load:$path";	2290	my $guard = cf::lock_acquire "map_data:$path";
1782		2291
		2292	return unless $self->valid;
1783	return if $self->in_memory != cf::MAP_SWAPPED;	2293	return unless $self->state == cf::MAP_SWAPPED;
1784
1785	$self->in_memory (cf::MAP_LOADING);
1786		2294
1787	$self->alloc;	2295	$self->alloc;
1788		2296
1789	$self->pre_load;	2297	$self->pre_load;
1790	Coro::cede;	2298	cf::cede_to_tick;
1791		2299
1792	$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)
1793	or return;	2304	or return;
1794		2305
1795	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2306	$self->post_load_original
1796	if delete $self->{load_original};	2307	if delete $self->{load_original};
1797		2308
1798	if (my $uniq = $self->uniq_path) {	2309	if (my $uniq = $self->uniq_path) {
1799	utf8::encode $uniq;	2310	utf8::encode $uniq;
1800	if (aio_open $uniq, O_RDONLY, 0) {	2311	unless (aio_stat $uniq) {
		2312	if (my $f = new_from_file cf::object::thawer $uniq) {
1801	$self->clear_unique_items;	2313	$self->clear_unique_items;
1802	$self->_load_objects ($uniq, 0);	2314	$self->_load_objects ($f);
		2315	$f->resolve_delayed_derefs;
		2316	}
		2317	}
1803	}	2318	}
1804	}
1805		2319
1806	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;
1807	# now do the right thing for maps	2329	# now do the right thing for maps
1808	$self->link_multipart_objects;	2330	$self->link_multipart_objects;
1809	$self->difficulty ($self->estimate_difficulty)	2331	$self->difficulty ($self->estimate_difficulty)
1810	unless $self->difficulty;	2332	unless $self->difficulty;
1811	Coro::cede;	2333	cf::cede_to_tick;
1812		2334
1813	unless ($self->{deny_activate}) {	2335	unless ($self->{deny_activate}) {
1814	$self->decay_objects;	2336	$self->decay_objects;
1815	$self->fix_auto_apply;	2337	$self->fix_auto_apply;
1816	$self->update_buttons;	2338	$self->update_buttons;
1817	Coro::cede;	2339	cf::cede_to_tick;
1818	$self->set_darkness_map;	2340	#$self->activate; # no longer activate maps automatically
1819	Coro::cede;
1820	$self->activate;
1821	}	2341	}
1822		2342
1823	$self->in_memory (cf::MAP_IN_MEMORY);	2343	$self->{last_save} = $cf::RUNTIME;
		2344	$self->last_access ($cf::RUNTIME);
1824	}	2345	}
1825		2346
1826	$self->post_load;	2347	$self->post_load;
1827	}
1828		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
1829	sub customise_for {	2355	sub customise_for {
1830	my ($self, $ob) = @_;	2356	my ($self, $ob) = @_;
1831		2357
1832	return find "~" . $ob->name . "/" . $self->{path}	2358	return find "~" . $ob->name . "/" . $self->{path}
1833	if $self->per_player;	2359	if $self->per_player;
…		…
1836	# if $self->per_party;	2362	# if $self->per_party;
1837		2363
1838	$self	2364	$self
1839	}	2365	}
1840		2366
1841	# find and load all maps in the 3x3 area around a map
1842	sub load_diag {
1843	my ($map) = @_;
1844
1845	my @diag; # diagonal neighbours
1846
1847	for (0 .. 3) {
1848	my $neigh = $map->tile_path ($_)
1849	or next;
1850	$neigh = find $neigh, $map
1851	or next;
1852	$neigh->load;
1853
1854	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1855	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1856	}
1857
1858	for (@diag) {
1859	my $neigh = find @$_
1860	or next;
1861	$neigh->load;
1862	}
1863	}
1864
1865	sub find_sync {	2367	sub find_sync {
1866	my ($path, $origin) = @_;	2368	my ($path, $origin) = @_;
1867		2369
1868	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
1869	}	2375	}
1870		2376
1871	sub do_load_sync {	2377	sub do_load_sync {
1872	my ($map) = @_;	2378	my ($map) = @_;
1873		2379
1874	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;
1875	}	2385	}
1876		2386
1877	our %MAP_PREFETCH;	2387	our %MAP_PREFETCH;
1878	our $MAP_PREFETCHER = undef;	2388	our $MAP_PREFETCHER = undef;
1879		2389
1880	sub find_async {	2390	sub find_async {
1881	my ($path, $origin) = @_;	2391	my ($path, $origin, $load) = @_;
1882		2392
1883	$path = normalise $path, $origin && $origin->{path};	2393	$path = normalise $path, $origin;
1884		2394
1885	if (my $map = $cf::MAP{$path}) {	2395	if (my $map = $cf::MAP{$path}) {
1886	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2396	return $map if !$load || $map->linkable;
1887	}	2397	}
1888		2398
1889	undef $MAP_PREFETCH{$path};	2399	$MAP_PREFETCH{$path} |= $load;
		2400
1890	$MAP_PREFETCHER ||= cf::async {	2401	$MAP_PREFETCHER ||= cf::async {
		2402	$Coro::current->{desc} = "map prefetcher";
		2403
1891	while (%MAP_PREFETCH) {	2404	while (%MAP_PREFETCH) {
1892	for my $path (keys %MAP_PREFETCH) {	2405	for my $k (keys %MAP_PREFETCH) {
1893	my $map = find $path	2406	if (my $map = find $k) {
1894	or next;	2407	$map->load if $MAP_PREFETCH{$k};
1895	$map->load;	2408	}
1896		2409
1897	delete $MAP_PREFETCH{$path};	2410	delete $MAP_PREFETCH{$k};
1898	}	2411	}
1899	}	2412	}
1900	undef $MAP_PREFETCHER;	2413	undef $MAP_PREFETCHER;
1901	};	2414	};
1902	$MAP_PREFETCHER->prio (6);	2415	$MAP_PREFETCHER->prio (6);
1903		2416
1904	()	2417	()
1905	}	2418	}
1906		2419
		2420	# common code, used by both ->save and ->swapout
1907	sub save {	2421	sub _save {
1908	my ($self) = @_;	2422	my ($self) = @_;
1909
1910	my $lock = cf::lock_acquire "map_data:" . $self->path;
1911		2423
1912	$self->{last_save} = $cf::RUNTIME;	2424	$self->{last_save} = $cf::RUNTIME;
1913		2425
1914	return unless $self->dirty;	2426	return unless $self->dirty;
1915		2427
…		…
1921	return if $self->{deny_save};	2433	return if $self->{deny_save};
1922		2434
1923	local $self->{last_access} = $self->last_access;#d#	2435	local $self->{last_access} = $self->last_access;#d#
1924		2436
1925	cf::async {	2437	cf::async {
		2438	$Coro::current->{desc} = "map player save";
1926	$_->contr->save for $self->players;	2439	$_->contr->save for $self->players;
1927	};	2440	};
		2441
		2442	cf::get_slot 0.02;
1928		2443
1929	if ($uniq) {	2444	if ($uniq) {
1930	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2445	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1931	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2446	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1932	} else {	2447	} else {
1933	$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);
1934	}	2449	}
1935	}	2450	}
1936		2451
		2452	sub save {
		2453	my ($self) = @_;
		2454
		2455	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2456
		2457	$self->_save;
		2458	}
		2459
1937	sub swap_out {	2460	sub swap_out {
1938	my ($self) = @_;	2461	my ($self) = @_;
1939		2462
1940	# save first because save cedes
1941	$self->save;
1942
1943	my $lock = cf::lock_acquire "map_data:" . $self->path;	2463	my $lock = cf::lock_acquire "map_data:$self->{path}";
1944		2464
		2465	return if !$self->linkable;
		2466	return if $self->{deny_save};
1945	return if $self->players;	2467	return if $self->players;
1946	return if $self->in_memory != cf::MAP_IN_MEMORY;
1947	return if $self->{deny_save};
1948		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
1949	$self->clear;	2478	$self->clear;
1950	$self->in_memory (cf::MAP_SWAPPED);
1951	}	2479	}
1952		2480
1953	sub reset_at {	2481	sub reset_at {
1954	my ($self) = @_;	2482	my ($self) = @_;
1955		2483
…		…
1973		2501
1974	my $lock = cf::lock_acquire "map_data:$self->{path}";	2502	my $lock = cf::lock_acquire "map_data:$self->{path}";
1975		2503
1976	return if $self->players;	2504	return if $self->players;
1977		2505
1978	warn "resetting map ", $self->path;	2506	cf::trace "resetting map ", $self->path, "\n";
1979		2507
1980	$self->in_memory (cf::MAP_SWAPPED);	2508	$self->state (cf::MAP_SWAPPED);
1981		2509
1982	# need to save uniques path	2510	# need to save uniques path
1983	unless ($self->{deny_save}) {	2511	unless ($self->{deny_save}) {
1984	my $uniq = $self->uniq_path; utf8::encode $uniq;	2512	my $uniq = $self->uniq_path; utf8::encode $uniq;
1985		2513
…		…
1987	if $uniq;	2515	if $uniq;
1988	}	2516	}
1989		2517
1990	delete $cf::MAP{$self->path};	2518	delete $cf::MAP{$self->path};
1991		2519
		2520	$self->deactivate;
		2521	$_->clear_links_to ($self) for values %cf::MAP;
1992	$self->clear;	2522	$self->clear;
1993
1994	$_->clear_links_to ($self) for values %cf::MAP;
1995		2523
1996	$self->unlink_save;	2524	$self->unlink_save;
1997	$self->destroy;	2525	$self->destroy;
1998	}	2526	}
1999		2527
2000	my $nuke_counter = "aaaa";	2528	my $nuke_counter = "aaaa";
2001		2529
2002	sub nuke {	2530	sub nuke {
2003	my ($self) = @_;	2531	my ($self) = @_;
2004		2532
		2533	{
		2534	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2535
2005	delete $cf::MAP{$self->path};	2536	delete $cf::MAP{$self->path};
2006		2537
2007	$self->unlink_save;	2538	$self->unlink_save;
2008		2539
2009	bless $self, "cf::map";	2540	bless $self, "cf::map::wrap";
2010	delete $self->{deny_reset};	2541	delete $self->{deny_reset};
2011	$self->{deny_save} = 1;	2542	$self->{deny_save} = 1;
2012	$self->reset_timeout (1);	2543	$self->reset_timeout (1);
2013	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2544	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2014		2545
2015	$cf::MAP{$self->path} = $self;	2546	$cf::MAP{$self->path} = $self;
		2547	}
2016		2548
2017	$self->reset; # polite request, might not happen	2549	$self->reset; # polite request, might not happen
2018	}	2550	}
2019		2551
2020	=item $maps = cf::map::tmp_maps	2552	=item $maps = cf::map::tmp_maps
…		…
2062		2594
2063	sub unique_maps() {	2595	sub unique_maps() {
2064	[	2596	[
2065	map {	2597	map {
2066	utf8::decode $_;	2598	utf8::decode $_;
2067	/\.map$/	2599	s/\.map$//; # TODO future compatibility hack
		2600	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2601	? ()
2068	? normalise $_	2602	: normalise $_
2069	: ()
2070	} @{ aio_readdir $UNIQUEDIR or [] }	2603	} @{ aio_readdir $UNIQUEDIR or [] }
2071	]	2604	]
2072	}	2605	}
2073		2606
2074	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	}
2075		2638
2076	=back	2639	=back
2077		2640
2078	=head3 cf::object	2641	=head3 cf::object
2079		2642
…		…
2083		2646
2084	=over 4	2647	=over 4
2085		2648
2086	=item $ob->inv_recursive	2649	=item $ob->inv_recursive
2087		2650
2088	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.
2089		2653
2090	=cut	2654	=cut
2091		2655
2092	sub inv_recursive_;	2656	sub inv_recursive_;
2093	sub inv_recursive_ {	2657	sub inv_recursive_ {
…		…
2096		2660
2097	sub inv_recursive {	2661	sub inv_recursive {
2098	inv_recursive_ inv $_[0]	2662	inv_recursive_ inv $_[0]
2099	}	2663	}
2100		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
2101	package cf;	2693	package cf;
2102		2694
2103	=back	2695	=back
2104		2696
2105	=head3 cf::object::player	2697	=head3 cf::object::player
…		…
2111	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>
2112	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
2113	dialogue with the given NPC character.	2705	dialogue with the given NPC character.
2114		2706
2115	=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	};
2116		2722
2117	# rough implementation of a future "reply" method that works	2723	# rough implementation of a future "reply" method that works
2118	# with dialog boxes.	2724	# with dialog boxes.
2119	#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
2120	sub cf::object::player::reply($$$;$) {	2726	sub cf::object::player::reply($$$;$) {
…		…
2127		2733
2128	} else {	2734	} else {
2129	my $pl = $self->contr;	2735	my $pl = $self->contr;
2130		2736
2131	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2737	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2132	my $diag = $pl->{npc_dialog};	2738	my $dialog = $pl->{npc_dialog};
2133	$diag->{pl}->ext_reply (	2739	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2134	$diag->{id},
2135	msgtype => "reply",
2136	msg => $diag->{pl}->expand_cfpod ($msg),
2137	add_topics => []
2138	);
2139		2740
2140	} else {	2741	} else {
2141	$msg = $npc->name . " says: $msg" if $npc;	2742	$msg = $npc->name . " says: $msg" if $npc;
2142	$self->message ($msg, $flags);	2743	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2143	}	2744	}
2144	}	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 (@_);
2145	}	2756	}
2146		2757
2147	=item $player_object->may ("access")	2758	=item $player_object->may ("access")
2148		2759
2149	Returns wether the given player is authorized to access resource "access"	2760	Returns wether the given player is authorized to access resource "access"
2150	(e.g. "command_wizcast").	2761	(e.g. "command_wizcast").
2151		2762
		2763	This is implemented by checking a config setting of C<may_access> where
		2764	C<access> is replaced by the access string. The following alternatives are
		2765	possible (and are tested in order):
		2766
		2767	=over 4
		2768
		2769	=item * Player is DM
		2770
		2771	The request will succeed.
		2772
		2773	=item * may_access is an array reference
		2774
		2775	If either the player nickname or UUID is in the array, the request will
		2776	succeed, otherwise it will fail.
		2777
		2778	=item * may_access is a true value
		2779
		2780	The request will succeed.
		2781
		2782	=item * may_access is missing or false
		2783
		2784	The request will fail.
		2785
		2786	=back
		2787
2152	=cut	2788	=cut
2153		2789
2154	sub cf::object::player::may {	2790	sub cf::object::player::may {
2155	my ($self, $access) = @_;	2791	my ($self, $access) = @_;
2156		2792
2157	$self->flag (cf::FLAG_WIZ) ||	2793	$self->flag (cf::FLAG_WIZ) ||
2158	(ref $cf::CFG{"may_$access"}	2794	(ref $cf::CFG{"may_$access"}
2159	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2795	? scalar grep $self->name eq $_ || $self->uuid eq $_, @{$cf::CFG{"may_$access"}}
2160	: $cf::CFG{"may_$access"})	2796	: $cf::CFG{"may_$access"})
2161	}	2797	}
2162		2798
2163	=item $player_object->enter_link	2799	=item $player_object->enter_link
2164		2800
2165	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}>).
2166		2802
2167	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.
2168	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.
2169		2807
2170	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.
2171		2815
2172	=item $player_object->leave_link ($map, $x, $y)	2816	=item $player_object->leave_link ($map, $x, $y)
2173		2817
2174	Moves the player out of the special C<{link}> map onto the specified	2818	Moves the player out of the special C<{link}> map onto the specified
2175	map. If the map is not valid (or omitted), the player will be moved back	2819	map. If the map is not valid (or omitted), the player will be moved back
…		…
2193	sub cf::object::player::enter_link {	2837	sub cf::object::player::enter_link {
2194	my ($self) = @_;	2838	my ($self) = @_;
2195		2839
2196	$self->deactivate_recursive;	2840	$self->deactivate_recursive;
2197		2841
		2842	++$self->{_link_recursion};
		2843
2198	return if UNIVERSAL::isa $self->map, "ext::map_link";	2844	return if UNIVERSAL::isa $self->map, "ext::map_link";
2199		2845
2200	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2846	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2201	if $self->map && $self->map->{path} ne "{link}";	2847	if $self->map && $self->map->{path} ne "{link}";
2202		2848
2203	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2849	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2204	}	2850	}
2205		2851
2206	sub cf::object::player::leave_link {	2852	sub cf::object::player::leave_link {
2207	my ($self, $map, $x, $y) = @_;	2853	my ($self, $map, $x, $y) = @_;
2208		2854
…		…
2225	($x, $y) = (-1, -1)	2871	($x, $y) = (-1, -1)
2226	unless (defined $x) && (defined $y);	2872	unless (defined $x) && (defined $y);
2227		2873
2228	# use -1 or undef as default coordinates, not 0, 0	2874	# use -1 or undef as default coordinates, not 0, 0
2229	($x, $y) = ($map->enter_x, $map->enter_y)	2875	($x, $y) = ($map->enter_x, $map->enter_y)
2230	if $x <=0 && $y <= 0;	2876	if $x <= 0 && $y <= 0;
2231		2877
2232	$map->load;	2878	$map->load;
2233	$map->load_diag;
2234		2879
2235	return unless $self->contr->active;	2880	return unless $self->contr->active;
2236	$self->activate_recursive;
2237		2881
2238	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2882	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2239	$self->enter_map ($map, $x, $y);	2883	if ($self->enter_map ($map, $x, $y)) {
2240	}	2884	# entering was successful
		2885	delete $self->{_link_recursion};
		2886	# only activate afterwards, to support waiting in hooks
		2887	$self->activate_recursive;
		2888	}
2241		2889
		2890	}
		2891
2242	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2892	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2243		2893
2244	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
2245	her, loading and preparing them map, calling the provided $check callback	2895	her, loading and preparing them map, calling the provided $check callback
2246	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
2247	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 >>.
2248		2902
2249	=cut	2903	=cut
2250		2904
2251	our $GOTOGEN;	2905	our $GOTOGEN;
2252		2906
2253	sub cf::object::player::goto {	2907	sub cf::object::player::goto {
2254	my ($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	}
2255		2915
2256	# 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
2257	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2917	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2258		2918
2259	$self->enter_link;	2919	$self->enter_link;
2260		2920
2261	(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
2262	my $map = eval {	2943	my $map = eval {
2263	my $map = cf::map::find $path;	2944	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2264		2945
2265	if ($map) {	2946	if ($map) {
2266	$map = $map->customise_for ($self);	2947	$map = $map->customise_for ($self);
2267	$map = $check->($map) if $check && $map;	2948	$map = $check->($map, $x, $y, $self) if $check && $map;
2268	} else {	2949	} else {
2269	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2950	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2270	}	2951	}
2271		2952
2272	$map	2953	$map
2273	};	2954	};
2274		2955
…		…
2279		2960
2280	if ($gen == $self->{_goto_generation}) {	2961	if ($gen == $self->{_goto_generation}) {
2281	delete $self->{_goto_generation};	2962	delete $self->{_goto_generation};
2282	$self->leave_link ($map, $x, $y);	2963	$self->leave_link ($map, $x, $y);
2283	}	2964	}
		2965
		2966	$done->($self) if $done;
2284	})->prio (1);	2967	})->prio (1);
2285	}	2968	}
2286		2969
2287	=item $player_object->enter_exit ($exit_object)	2970	=item $player_object->enter_exit ($exit_object)
2288		2971
…		…
2308	}	2991	}
2309		2992
2310	sub prepare_random_map {	2993	sub prepare_random_map {
2311	my ($exit) = @_;	2994	my ($exit) = @_;
2312		2995
2313	my $guard = cf::lock_acquire "exit_prepare:$exit";
2314
2315	# all this does is basically replace the /! path by	2996	# all this does is basically replace the /! path by
2316	# a new random map path (?random/...) with a seed	2997	# a new random map path (?random/...) with a seed
2317	# that depends on the exit object	2998	# that depends on the exit object
2318		2999
2319	my $rmp = parse_random_map_params $exit->msg;	3000	my $rmp = parse_random_map_params $exit->msg;
…		…
2321	if ($exit->map) {	3002	if ($exit->map) {
2322	$rmp->{region} = $exit->region->name;	3003	$rmp->{region} = $exit->region->name;
2323	$rmp->{origin_map} = $exit->map->path;	3004	$rmp->{origin_map} = $exit->map->path;
2324	$rmp->{origin_x} = $exit->x;	3005	$rmp->{origin_x} = $exit->x;
2325	$rmp->{origin_y} = $exit->y;	3006	$rmp->{origin_y} = $exit->y;
		3007
		3008	$exit->map->touch;
2326	}	3009	}
2327		3010
2328	$rmp->{random_seed} ||= $exit->random_seed;	3011	$rmp->{random_seed} ||= $exit->random_seed;
2329		3012
2330	my $data = cf::to_json $rmp;	3013	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2331	my $md5 = Digest::MD5::md5_hex $data;	3014	my $md5 = Digest::MD5::md5_hex $data;
2332	my $meta = "$RANDOMDIR/$md5.meta";	3015	my $meta = "$RANDOMDIR/$md5.meta";
2333		3016
2334	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	3017	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2335	aio_write $fh, 0, (length $data), $data, 0;	3018	aio_write $fh, 0, (length $data), $data, 0;
2336	undef $fh;	3019	undef $fh;
2337	aio_rename "$meta~", $meta;	3020	aio_rename "$meta~", $meta;
2338		3021
		3022	my $slaying = "?random/$md5";
		3023
		3024	if ($exit->valid) {
2339	$exit->slaying ("?random/$md5");	3025	$exit->slaying ("?random/$md5");
2340	$exit->msg (undef);	3026	$exit->msg (undef);
		3027	}
2341	}	3028	}
2342	}	3029	}
2343		3030
2344	sub cf::object::player::enter_exit {	3031	sub cf::object::player::enter_exit {
2345	my ($self, $exit) = @_;	3032	my ($self, $exit) = @_;
2346		3033
2347	return unless $self->type == cf::PLAYER;	3034	return unless $self->type == cf::PLAYER;
2348		3035
2349	if ($exit->slaying eq "/!") {
2350	#TODO: this should de-fi-ni-te-ly not be a sync-job
2351	# the problem is that $exit might not survive long enough
2352	# so it needs to be done right now, right here
2353	cf::sync_job { prepare_random_map $exit };
2354	}
2355
2356	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2357	my $hp = $exit->stats->hp;
2358	my $sp = $exit->stats->sp;
2359
2360	$self->enter_link;	3036	$self->enter_link;
2361		3037
2362	# if exit is damned, update players death & WoR home-position
2363	$self->contr->savebed ($slaying, $hp, $sp)
2364	if $exit->flag (FLAG_DAMNED);
2365
2366	(async {	3038	(async {
2367	$self->deactivate_recursive; # just to be sure	3039	$Coro::current->{desc} = "enter_exit";
		3040
2368	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
2369	$self->goto ($slaying, $hp, $sp);	3071	$self->goto ($map, $x, $y);
2370		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
2371	1;	3077	1
2372	}) {	3078	}) {
2373	$self->message ("Something went wrong deep within the crossfire server. "	3079	$self->message ("Something went wrong deep within the deliantra server. "
2374	. "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. "
2375	. "Please report this to the dungeon master!",	3081	. "Please report this to the dungeon master!",
2376	cf::NDI_UNIQUE | cf::NDI_RED);	3082	cf::NDI_UNIQUE | cf::NDI_RED);
2377		3083
2378	warn "ERROR in enter_exit: $@";	3084	error "ERROR in enter_exit: $@";
2379	$self->leave_link;	3085	$self->leave_link;
2380	}	3086	}
2381	})->prio (1);	3087	})->prio (1);
2382	}	3088	}
2383		3089
2384	=head3 cf::client	3090	=head3 cf::client
2385		3091
2386	=over 4	3092	=over 4
2387		3093
2388	=item $client->send_drawinfo ($text, $flags)	3094	=item $client->send_big_packet ($pkt)
2389		3095
2390	Sends a drawinfo packet to the client. Circumvents output buffering so	3096	Like C<send_packet>, but tries to compress large packets, and fragments
2391	should not be used under normal circumstances.	3097	them as required.
2392		3098
2393	=cut	3099	=cut
2394		3100
		3101	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3102
2395	sub cf::client::send_drawinfo {	3103	sub cf::client::send_big_packet {
2396	my ($self, $text, $flags) = @_;	3104	my ($self, $pkt) = @_;
2397		3105
2398	utf8::encode $text;	3106	# try lzf for large packets
2399	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3107	$pkt = "lzf " . Compress::LZF::compress $pkt
2400	}	3108	if 1024 <= length $pkt and $self->{can_lzf};
2401		3109
		3110	# split very large packets
		3111	if ($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
2402	=item $client->send_msg ($color, $type, $msg, [extra...])	3119	=item $client->send_msg ($channel, $msg, $color, [extra...])
2403		3120
2404	Send a drawinfo or msg packet to the client, formatting the msg for the	3121	Send a msg packet to the client, formatting the msg for the client if
2405	client if neccessary. C<$type> should be a string identifying the type of	3122	necessary. C<$type> should be a string identifying the type of the
2406	the message, with C<log> being the default. If C<$color> is negative, suppress	3123	message, with C<log> being the default. If C<$color> is negative, suppress
2407	the message unless the client supports the msg packet.	3124	the message unless the client supports the msg packet.
2408		3125
2409	=cut	3126	=cut
2410		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" => $CHAT_CHANNEL,
		3246	);
		3247
2411	sub cf::client::send_msg {	3248	sub cf::client::send_msg {
2412	my ($self, $color, $type, $msg, @extra) = @_;	3249	my ($self, $channel, $msg, $color, @extra) = @_;
2413		3250
2414	$msg = $self->pl->expand_cfpod ($msg);	3251	$msg = $self->pl->expand_cfpod ($msg)
		3252	unless $color & cf::NDI_VERBATIM;
		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	}
2415		3272
2416	return unless @extra || length $msg;	3273	return unless @extra || length $msg;
2417		3274
2418	if ($self->can_msg) {	3275	# default colour, mask it out
2419	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3276	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2420	} else {	3277	if $color & cf::NDI_DEF;
2421	# replace some tags by gcfclient-compatible ones
2422	for ($msg) {
2423	1 while
2424	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2425	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2426	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2427	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2428	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2429	}
2430		3278
2431	if ($color >= 0) {	3279	my $pkt = "msg "
2432	if (0 && $msg =~ /\[/) {	3280	. $self->{json_coder}->encode (
2433	$self->send_packet ("drawextinfo $color 4 0 $msg")	3281	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2434	} else {	3282	);
2435	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2436	$self->send_packet ("drawinfo $color $msg")
2437	}
2438	}
2439	}
2440	}
2441		3283
		3284	$self->send_big_packet ($pkt);
		3285	}
		3286
2442	=item $client->ext_event ($type, %msg)	3287	=item $client->ext_msg ($type, @msg)
2443		3288
2444	Sends an ext event to the client.	3289	Sends an ext event to the client.
2445		3290
2446	=cut	3291	=cut
2447		3292
2448	sub cf::client::ext_event($$%) {	3293	sub cf::client::ext_msg($$@) {
2449	my ($self, $type, %msg) = @_;	3294	my ($self, $type, @msg) = @_;
2450		3295
2451	$msg{msgtype} = "event_$type";
2452	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3296	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2453	}	3297	}
2454		3298
2455	=item $success = $client->query ($flags, "text", \&cb)	3299	=item $success = $client->query ($flags, "text", \&cb)
2456		3300
2457	Queues a query to the client, calling the given callback with	3301	Queues a query to the client, calling the given callback with
…		…
2477		3321
2478	$self->send_packet ($self->{query_queue}[0][0])	3322	$self->send_packet ($self->{query_queue}[0][0])
2479	if @{ $self->{query_queue} } == 1;	3323	if @{ $self->{query_queue} } == 1;
2480		3324
2481	1	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} = $idx;
2482	}	3365	}
2483		3366
2484	cf::client->attach (	3367	cf::client->attach (
2485	on_connect => sub {	3368	on_connect => sub {
2486	my ($ns) = @_;	3369	my ($ns) = @_;
…		…
2512	my ($ns, $buf) = @_;	3395	my ($ns, $buf) = @_;
2513		3396
2514	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3397	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2515		3398
2516	if (ref $msg) {	3399	if (ref $msg) {
		3400	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3401
2517	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3402	if (my $cb = $EXTIACMD{$type}) {
2518	if (my %reply = $cb->($ns, $msg)) {	3403	$cb->(
2519	$reply{msgid} = $msg->{msgid};	3404	$ns,
2520	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));	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);
2521	}	3416	}
		3417
		3418	$ns->ext_msg ("reply-$reply", @reply)
		3419	if $reply;
2522	}	3420	}
2523	} else {	3421	} else {
2524	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3422	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2525	}	3423	}
2526		3424
2527	cf::override;	3425	cf::override;
2528	},	3426	},
2529	);	3427	);
…		…
2549		3447
2550	$coro	3448	$coro
2551	}	3449	}
2552		3450
2553	cf::client->attach (	3451	cf::client->attach (
2554	on_destroy => sub {	3452	on_client_destroy => sub {
2555	my ($ns) = @_;	3453	my ($ns) = @_;
2556		3454
2557	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3455	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2558	},	3456	},
2559	);	3457	);
…		…
2574	our $safe = new Safe "safe";	3472	our $safe = new Safe "safe";
2575	our $safe_hole = new Safe::Hole;	3473	our $safe_hole = new Safe::Hole;
2576		3474
2577	$SIG{FPE} = 'IGNORE';	3475	$SIG{FPE} = 'IGNORE';
2578		3476
2579	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3477	$safe->permit_only (Opcode::opset qw(
		3478	:base_core :base_mem :base_orig :base_math :base_loop
		3479	grepstart grepwhile mapstart mapwhile
		3480	sort time
		3481	));
2580		3482
2581	# here we export the classes and methods available to script code	3483	# here we export the classes and methods available to script code
2582		3484
2583	=pod	3485	=pod
2584		3486
2585	The following functions and methods are available within a safe environment:	3487	The following functions and methods are available within a safe environment:
2586		3488
2587	cf::object	3489	cf::object
2588	contr pay_amount pay_player map x y force_find force_add	3490	contr pay_amount pay_player map x y force_find force_add destroy
2589	insert remove	3491	insert remove name archname title slaying race decrease split
		3492	value
2590		3493
2591	cf::object::player	3494	cf::object::player
2592	player	3495	player
2593		3496
2594	cf::player	3497	cf::player
…		…
2599		3502
2600	=cut	3503	=cut
2601		3504
2602	for (	3505	for (
2603	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3506	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2604	insert remove)],	3507	insert remove inv nrof name archname title slaying race
		3508	decrease split destroy change_exp value msg lore send_msg)],
2605	["cf::object::player" => qw(player)],	3509	["cf::object::player" => qw(player)],
2606	["cf::player" => qw(peaceful)],	3510	["cf::player" => qw(peaceful send_msg)],
2607	["cf::map" => qw(trigger)],	3511	["cf::map" => qw(trigger)],
2608	) {	3512	) {
2609	no strict 'refs';
2610	my ($pkg, @funs) = @$_;	3513	my ($pkg, @funs) = @$_;
2611	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3514	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2612	for @funs;	3515	for @funs;
2613	}	3516	}
2614		3517
…		…
2629		3532
2630	my $qcode = $code;	3533	my $qcode = $code;
2631	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3534	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2632	$qcode =~ s/\n/\\n/g;	3535	$qcode =~ s/\n/\\n/g;
2633		3536
		3537	%vars = (_dummy => 0) unless %vars;
		3538
		3539	my @res;
2634	local $_;	3540	local $_;
2635	local @safe::cf::_safe_eval_args = values %vars;
2636		3541
2637	my $eval =	3542	my $eval =
2638	"do {\n"	3543	"do {\n"
2639	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3544	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2640	. "#line 0 \"{$qcode}\"\n"	3545	. "#line 0 \"{$qcode}\"\n"
2641	. $code	3546	. $code
2642	. "\n}"	3547	. "\n}"
2643	;	3548	;
2644		3549
		3550	if ($CFG{safe_eval}) {
2645	sub_generation_inc;	3551	sub_generation_inc;
		3552	local @safe::cf::_safe_eval_args = values %vars;
2646	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3553	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2647	sub_generation_inc;	3554	sub_generation_inc;
		3555	} else {
		3556	local @cf::_safe_eval_args = values %vars;
		3557	@res = wantarray ? eval eval : scalar eval $eval;
		3558	}
2648		3559
2649	if ($@) {	3560	if ($@) {
2650	warn "$@";	3561	warn "$@",
2651	warn "while executing safe code '$code'\n";	3562	"while executing safe code '$code'\n",
2652	warn "with arguments " . (join " ", %vars) . "\n";	3563	"with arguments " . (join " ", %vars) . "\n";
2653	}	3564	}
2654		3565
2655	wantarray ? @res : $res[0]	3566	wantarray ? @res : $res[0]
2656	}	3567	}
2657		3568
…		…
2671	=cut	3582	=cut
2672		3583
2673	sub register_script_function {	3584	sub register_script_function {
2674	my ($fun, $cb) = @_;	3585	my ($fun, $cb) = @_;
2675		3586
2676	no strict 'refs';	3587	$fun = "safe::$fun" if $CFG{safe_eval};
2677	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3588	*$fun = $safe_hole->wrap ($cb);
2678	}	3589	}
2679		3590
2680	=back	3591	=back
2681		3592
2682	=cut	3593	=cut
2683		3594
2684	#############################################################################	3595	#############################################################################
2685	# the server's init and main functions	3596	# the server's init and main functions
2686		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
2687	sub load_facedata($) {	3675	sub load_facedata($) {
2688	my ($path) = @_;	3676	my ($path) = @_;
2689		3677
		3678	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3679
2690	warn "loading facedata from $path\n";	3680	trace "loading facedata from $path\n";
2691		3681
2692	my $facedata;	3682	my $facedata = decode_storable load_file "$path/faceinfo";
2693	0 < aio_load $path, $facedata
2694	or die "$path: $!";
2695
2696	$facedata = Coro::Storable::thaw $facedata;
2697		3683
2698	$facedata->{version} == 2	3684	$facedata->{version} == 2
2699	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;
2700		3695
2701	{	3696	{
2702	my $faces = $facedata->{faceinfo};	3697	my $faces = $facedata->{faceinfo};
2703		3698
2704	while (my ($face, $info) = each %$faces) {	3699	for my $face (sort keys %$faces) {
		3700	my $info = $faces->{$face};
2705	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3701	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3702
2706	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3703	cf::face::set_visibility $idx, $info->{visibility};
2707	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3704	cf::face::set_magicmap $idx, $info->{magicmap};
2708	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};
2709	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];
2710	}	3710	}
2711		3711
2712	while (my ($face, $info) = each %$faces) {	3712	while (my ($face, $info) = each %$faces) {
2713	next unless $info->{smooth};	3713	next unless $info->{smooth};
		3714
2714	my $idx = cf::face::find $face	3715	my $idx = cf::face::find $face
2715	or next;	3716	or next;
		3717
2716	if (my $smooth = cf::face::find $info->{smooth}) {	3718	if (my $smooth = cf::face::find $info->{smooth}) {
		3719	cf::face::set_smooth $idx, $smooth;
2717	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3720	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2718	} else {	3721	} else {
2719	warn "smooth face '$info->{smooth}' not found for face '$face'";	3722	error "smooth face '$info->{smooth}' not found for face '$face'";
2720	}	3723	}
2721	Coro::cede;
2722	}	3724	}
2723	}	3725	}
2724		3726
2725	{	3727	{
2726	my $anims = $facedata->{animinfo};	3728	my $anims = $facedata->{animinfo};
2727		3729
2728	while (my ($anim, $info) = each %$anims) {	3730	while (my ($anim, $info) = each %$anims) {
2729	cf::anim::set $anim, $info->{frames}, $info->{facings};	3731	cf::anim::set $anim, $info->{frames}, $info->{facings};
2730	Coro::cede;
2731	}	3732	}
2732		3733
2733	cf::anim::invalidate_all; # d'oh	3734	cf::anim::invalidate_all; # d'oh
2734	}	3735	}
2735		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
2736	1	3771	1
2737	}	3772	}
2738		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
2739	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
2740	load_resource_file "$MAPDIR/regions"	3811	load_resource_file "$MAPDIR/regions"
2741	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	}
2742	}	3818	}
2743		3819
2744	sub reload_facedata {	3820	sub reload_facedata {
2745	load_facedata "$DATADIR/facedata"	3821	load_facedata $DATADIR
2746	or die "unable to load facedata\n";	3822	or die "unable to load facedata\n";
2747	}	3823	}
2748		3824
2749	sub reload_archetypes {	3825	sub reload_archetypes {
2750	load_resource_file "$DATADIR/archetypes"	3826	load_resource_file "$DATADIR/archetypes"
2751	or die "unable to load archetypes\n";	3827	or die "unable to load archetypes\n";
2752	#d# NEED to laod twice to resolve forward references	3828
2753	# this really needs to be done in an extra post-pass	3829	cf::face::set
2754	# (which needs to be synchronous, so solve it differently)	3830	"res/skill_info" => FT_RSRC,
2755	load_resource_file "$DATADIR/archetypes"	3831	JSON::XS->new->utf8->canonical->encode (
2756	or die "unable to load archetypes\n";	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;
2757	}	3854	}
2758		3855
2759	sub reload_treasures {	3856	sub reload_treasures {
2760	load_resource_file "$DATADIR/treasures"	3857	load_resource_file "$DATADIR/treasures"
2761	or die "unable to load treasurelists\n";	3858	or die "unable to load treasurelists\n";
2762	}	3859	}
2763		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
2764	sub reload_resources {	3881	sub reload_resources {
2765	warn "reloading resource files...\n";	3882	trace "reloading resource files...\n";
2766		3883
		3884	reload_materials;
		3885	reload_facedata;
		3886	reload_exp_table;
		3887	reload_sound;
		3888	reload_archetypes;
2767	reload_regions;	3889	reload_regions;
2768	reload_facedata;
2769	#reload_archetypes;#d#
2770	reload_archetypes;
2771	reload_treasures;	3890	reload_treasures;
2772		3891
2773	warn "finished reloading resource files\n";	3892	trace "finished reloading resource files\n";
2774	}	3893	}
2775		3894
2776	sub init {	3895	sub reload_config {
2777	reload_resources;	3896	trace "reloading config file...\n";
2778	}
2779		3897
2780	sub cfg_load {	3898	my $config = load_file "$CONFDIR/config";
2781	open my $fh, "<:utf8", "$CONFDIR/config"	3899	utf8::decode $config;
2782	or return;	3900	*CFG = decode_yaml $config;
2783		3901
2784	local $/;
2785	*CFG = YAML::Syck::Load <$fh>;
2786
2787	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3902	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2788		3903
2789	$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};
2790	$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};
2791		3906
2792	if (exists $CFG{mlockall}) {	3907	if (exists $CFG{mlockall}) {
…		…
2796	};	3911	};
2797	warn $@ if $@;	3912	warn $@ if $@;
2798	}	3913	}
2799	}	3914	}
2800		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
2801	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
2802	# we must not ever block the main coroutine	3955	# we must not ever block the main coroutine
2803	local $Coro::idle = sub {	3956	$Coro::idle = sub {
2804	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#
2805	(async {	3958	(async {
2806	Event::one_event;	3959	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3960	EV::run EV::RUN_ONCE;
2807	})->prio (Coro::PRIO_MAX);	3961	})->prio (Coro::PRIO_MAX);
2808	};	3962	};
2809		3963
2810	cfg_load;	3964	evthread_start IO::AIO::poll_fileno;
		3965
		3966	cf::sync_job {
		3967	cf::incloader::init ();
		3968
2811	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
2812	load_extensions;	3988	load_extensions;
2813		3989
2814	$TICK_WATCHER->start;	3990	utime time, time, $RUNTIMEFILE;
2815	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;
2816	}	4007	}
2817		4008
2818	#############################################################################	4009	#############################################################################
2819	# initialisation and cleanup	4010	# initialisation and cleanup
2820		4011
2821	# install some emergency cleanup handlers	4012	# install some emergency cleanup handlers
2822	BEGIN {	4013	BEGIN {
		4014	our %SIGWATCHER = ();
2823	for my $signal (qw(INT HUP TERM)) {	4015	for my $signal (qw(INT HUP TERM)) {
2824	Event->signal (	4016	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2825	reentrant => 0,
2826	data => WF_AUTOCANCEL,
2827	signal => $signal,
2828	prio => 0,
2829	cb => sub {
2830	cf::cleanup "SIG$signal";	4017	cf::cleanup "SIG$signal";
2831	},
2832	);	4018	};
2833	}	4019	}
2834	}	4020	}
2835		4021
2836	sub write_runtime {	4022	sub write_runtime_sync {
2837	my $runtime = "$LOCALDIR/runtime";	4023	my $t0 = AE::time;
2838		4024
2839	# first touch the runtime file to show we are still running:	4025	# first touch the runtime file to show we are still running:
2840	# the fsync below can take a very very long time.	4026	# the fsync below can take a very very long time.
2841		4027
2842	IO::AIO::aio_utime $runtime, undef, undef;	4028	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2843		4029
2844	my $guard = cf::lock_acquire "write_runtime";	4030	my $guard = cf::lock_acquire "write_runtime";
2845		4031
2846	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	4032	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2847	or return;	4033	or return;
2848		4034
2849	my $value = $cf::RUNTIME + 90 + 10;	4035	my $value = $cf::RUNTIME + 90 + 10;
2850	# 10 is the runtime save interval, for a monotonic clock	4036	# 10 is the runtime save interval, for a monotonic clock
2851	# 60 allows for the watchdog to kill the server.	4037	# 60 allows for the watchdog to kill the server.
…		…
2861	aio_utime $fh, undef, undef;	4047	aio_utime $fh, undef, undef;
2862		4048
2863	close $fh	4049	close $fh
2864	or return;	4050	or return;
2865		4051
2866	aio_rename "$runtime~", $runtime	4052	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2867	and return;	4053	and return;
2868		4054
2869	warn "runtime file written.\n";	4055	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2870		4056
2871	1	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 };
2872	}	4108	}
2873		4109
2874	sub emergency_save() {	4110	sub emergency_save() {
2875	my $freeze_guard = cf::freeze_mainloop;	4111	my $freeze_guard = cf::freeze_mainloop;
2876		4112
2877	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;
2878		4119
2879	cf::sync_job {	4120	cf::sync_job {
		4121	cf::write_runtime_sync; # external watchdog should not bark
		4122
2880	# use a peculiar iteration method to avoid tripping on perl	4123	# use a peculiar iteration method to avoid tripping on perl
2881	# refcount bugs in for. also avoids problems with players	4124	# refcount bugs in for. also avoids problems with players
2882	# and maps saved/destroyed asynchronously.	4125	# and maps saved/destroyed asynchronously.
2883	warn "begin emergency player save\n";	4126	info "emergency_perl_save: begin player save\n";
2884	for my $login (keys %cf::PLAYER) {	4127	for my $login (keys %cf::PLAYER) {
2885	my $pl = $cf::PLAYER{$login} or next;	4128	my $pl = $cf::PLAYER{$login} or next;
2886	$pl->valid or next;	4129	$pl->valid or next;
		4130	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2887	$pl->save;	4131	$pl->save;
2888	}	4132	}
2889	warn "end emergency player save\n";	4133	info "emergency_perl_save: end player save\n";
2890		4134
2891	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";
2892	for my $path (keys %cf::MAP) {	4138	for my $path (keys %cf::MAP) {
2893	my $map = $cf::MAP{$path} or next;	4139	my $map = $cf::MAP{$path} or next;
2894	$map->valid or next;	4140	$map->valid or next;
2895	$map->save;	4141	$map->save;
2896	}	4142	}
2897	warn "end emergency map save\n";	4143	info "emergency_perl_save: end map save\n";
2898		4144
2899	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";
2900	BDB::db_env_txn_checkpoint $DB_ENV;	4148	BDB::db_env_txn_checkpoint $DB_ENV;
2901	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
2902	};	4173	};
2903		4174
2904	warn "leave emergency perl save\n";	4175	info "emergency_perl_save: leave\n";
2905	}	4176	}
2906		4177
2907	sub post_cleanup {	4178	sub post_cleanup {
2908	my ($make_core) = @_;	4179	my ($make_core) = @_;
2909		4180
		4181	IO::AIO::flush;
		4182
2910	warn Carp::longmess "post_cleanup backtrace"	4183	error Carp::longmess "post_cleanup backtrace"
2911	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	}
2912	}	4213	}
2913		4214
2914	sub do_reload_perl() {	4215	sub do_reload_perl() {
2915	# can/must only be called in main	4216	# can/must only be called in main
2916	if ($Coro::current != $Coro::main) {	4217	unless (in_main) {
2917	warn "can only reload from main coroutine";	4218	error "can only reload from main coroutine";
2918	return;	4219	return;
2919	}	4220	}
2920		4221
2921	warn "reloading...";	4222	return if $RELOAD++;
2922		4223
2923	warn "entering sync_job";	4224	my $t1 = AE::time;
2924		4225
		4226	while ($RELOAD) {
		4227	cf::get_slot 0.1, -1, "reload_perl";
		4228	info "perl_reload: reloading...";
		4229
		4230	trace "perl_reload: entering sync_job";
		4231
2925	cf::sync_job {	4232	cf::sync_job {
2926	cf::write_runtime; # external watchdog should not bark
2927	cf::emergency_save;	4233	#cf::emergency_save;
2928	cf::write_runtime; # external watchdog should not bark
2929		4234
2930	warn "syncing database to disk";
2931	BDB::db_env_txn_checkpoint $DB_ENV;
2932
2933	# if anything goes wrong in here, we should simply crash as we already saved
2934
2935	warn "cancelling all WF_AUTOCANCEL watchers";
2936	for (Event::all_watchers) {
2937	$_->cancel if $_->data & WF_AUTOCANCEL;
2938	}
2939
2940	warn "flushing outstanding aio requests";
2941	for (;;) {
2942	BDB::flush;
2943	IO::AIO::flush;
2944	Coro::cede;
2945	last unless IO::AIO::nreqs || BDB::nreqs;
2946	warn "iterate...";
2947	}
2948
2949	++$RELOAD;
2950
2951	warn "cancelling all extension coros";	4235	trace "perl_reload: cancelling all extension coros";
2952	$_->cancel for values %EXT_CORO;	4236	$_->cancel for values %EXT_CORO;
2953	%EXT_CORO = ();	4237	%EXT_CORO = ();
2954		4238
2955	warn "removing commands";	4239	trace "perl_reload: removing commands";
2956	%COMMAND = ();	4240	%COMMAND = ();
2957		4241
2958	warn "removing ext/exti commands";	4242	trace "perl_reload: removing ext/exti commands";
2959	%EXTCMD = ();	4243	%EXTCMD = ();
2960	%EXTICMD = ();	4244	%EXTICMD = ();
2961		4245
2962	warn "unloading/nuking all extensions";	4246	trace "perl_reload: unloading/nuking all extensions";
2963	for my $pkg (@EXTS) {	4247	for my $pkg (@EXTS) {
2964	warn "... unloading $pkg";	4248	trace "... unloading $pkg";
2965		4249
2966	if (my $cb = $pkg->can ("unload")) {	4250	if (my $cb = $pkg->can ("unload")) {
2967	eval {	4251	eval {
2968	$cb->($pkg);	4252	$cb->($pkg);
2969	1	4253	1
2970	} 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;
2971	}	4259	}
2972		4260
2973	warn "... nuking $pkg";
2974	Symbol::delete_package $pkg;
2975	}
2976
2977	warn "unloading all perl modules loaded from $LIBDIR";	4261	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2978	while (my ($k, $v) = each %INC) {	4262	while (my ($k, $v) = each %INC) {
2979	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4263	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2980		4264
2981	warn "... unloading $k";	4265	trace "... unloading $k";
2982	delete $INC{$k};	4266	delete $INC{$k};
2983		4267
2984	$k =~ s/\.pm$//;	4268	$k =~ s/\.pm$//;
2985	$k =~ s/\//::/g;	4269	$k =~ s/\//::/g;
2986		4270
2987	if (my $cb = $k->can ("unload_module")) {	4271	if (my $cb = $k->can ("unload_module")) {
2988	$cb->();	4272	$cb->();
		4273	}
		4274
		4275	clear_package $k;
2989	}	4276	}
2990		4277
2991	Symbol::delete_package $k;
2992	}
2993
2994	warn "getting rid of safe::, as good as possible";	4278	trace "perl_reload: getting rid of safe::, as good as possible";
2995	Symbol::delete_package "safe::$_"	4279	clear_package "safe::$_"
2996	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);
2997		4281
2998	warn "unloading cf.pm \"a bit\"";	4282	trace "perl_reload: unloading cf.pm \"a bit\"";
2999	delete $INC{"cf.pm"};	4283	delete $INC{"cf.pm"};
3000	delete $INC{"cf/pod.pm"};	4284	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3001		4285
3002	# don't, removes xs symbols, too,	4286	# don't, removes xs symbols, too,
3003	# and global variables created in xs	4287	# and global variables created in xs
3004	#Symbol::delete_package __PACKAGE__;	4288	#clear_package __PACKAGE__;
3005		4289
3006	warn "unload completed, starting to reload now";	4290	info "perl_reload: unload completed, starting to reload now";
3007		4291
3008	warn "reloading cf.pm";	4292	trace "perl_reload: reloading cf.pm";
3009	require cf;	4293	require cf;
3010	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4294	cf::_connect_to_perl_1;
3011		4295
3012	warn "loading config and database again";	4296	trace "perl_reload: loading config and database again";
3013	cf::cfg_load;	4297	cf::reload_config;
3014		4298
3015	warn "loading extensions";	4299	trace "perl_reload: loading extensions";
3016	cf::load_extensions;	4300	cf::load_extensions;
3017		4301
		4302	if ($REATTACH_ON_RELOAD) {
3018	warn "reattaching attachments to objects/players";	4303	trace "perl_reload: reattaching attachments to objects/players";
3019	_global_reattach; # objects, sockets	4304	_global_reattach; # objects, sockets
3020	warn "reattaching attachments to maps";	4305	trace "perl_reload: reattaching attachments to maps";
3021	reattach $_ for values %MAP;	4306	reattach $_ for values %MAP;
3022	warn "reattaching attachments to players";	4307	trace "perl_reload: reattaching attachments to players";
3023	reattach $_ for values %PLAYER;	4308	reattach $_ for values %PLAYER;
		4309	}
3024		4310
3025	warn "leaving sync_job";	4311	cf::_post_init 1;
3026		4312
		4313	trace "perl_reload: leaving sync_job";
		4314
3027	1	4315	1
3028	} or do {	4316	} or do {
3029	warn $@;	4317	error $@;
3030	warn "error while reloading, exiting.";	4318	cf::cleanup "perl_reload: error, exiting.";
3031	exit 1;	4319	};
		4320
		4321	--$RELOAD;
3032	};	4322	}
3033		4323
3034	warn "reloaded";	4324	$t1 = AE::time - $t1;
		4325	info "perl_reload: completed in ${t1}s\n";
3035	};	4326	};
3036		4327
3037	our $RELOAD_WATCHER; # used only during reload	4328	our $RELOAD_WATCHER; # used only during reload
3038		4329
3039	sub reload_perl() {	4330	sub reload_perl() {
3040	# doing reload synchronously and two reloads happen back-to-back,	4331	# doing reload synchronously and two reloads happen back-to-back,
3041	# coro crashes during coro_state_free->destroy here.	4332	# coro crashes during coro_state_free->destroy here.
3042		4333
3043	$RELOAD_WATCHER ||= Event->timer (	4334	$RELOAD_WATCHER ||= cf::async {
3044	reentrant => 0,	4335	Coro::AIO::aio_wait cache_extensions;
3045	after => 0,	4336
3046	data => WF_AUTOCANCEL,	4337	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3047	cb => sub {
3048	do_reload_perl;	4338	do_reload_perl;
3049	undef $RELOAD_WATCHER;	4339	undef $RELOAD_WATCHER;
3050	},	4340	};
3051	);	4341	};
3052	}	4342	}
3053		4343
3054	register_command "reload" => sub {	4344	register_command "reload" => sub {
3055	my ($who, $arg) = @_;	4345	my ($who, $arg) = @_;
3056		4346
3057	if ($who->flag (FLAG_WIZ)) {	4347	if ($who->flag (FLAG_WIZ)) {
3058	$who->message ("reloading server.");	4348	$who->message ("reloading server.");
		4349	async {
		4350	$Coro::current->{desc} = "perl_reload";
3059	async { reload_perl };	4351	reload_perl;
		4352	};
3060	}	4353	}
3061	};	4354	};
3062		4355
3063	unshift @INC, $LIBDIR;	4356	#############################################################################
3064		4357
3065	my $bug_warning = 0;	4358	my $bug_warning = 0;
3066		4359
3067	our @WAIT_FOR_TICK;
3068	our @WAIT_FOR_TICK_BEGIN;
3069
3070	sub wait_for_tick {	4360	sub wait_for_tick() {
3071	return unless $TICK_WATCHER->is_active;	4361	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3072	return if $Coro::current == $Coro::main;
3073		4362
3074	my $signal = new Coro::Signal;	4363	$WAIT_FOR_TICK->wait;
3075	push @WAIT_FOR_TICK, $signal;
3076	$signal->wait;
3077	}	4364	}
3078		4365
3079	sub wait_for_tick_begin {	4366	sub wait_for_tick_begin() {
3080	return unless $TICK_WATCHER->is_active;	4367	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3081	return if $Coro::current == $Coro::main;
3082		4368
3083	my $signal = new Coro::Signal;	4369	my $signal = new Coro::Signal;
3084	push @WAIT_FOR_TICK_BEGIN, $signal;	4370	push @WAIT_FOR_TICK_BEGIN, $signal;
3085	$signal->wait;	4371	$signal->wait;
3086	}	4372	}
3087		4373
3088	my $min = 1e6;#d#	4374	sub tick {
3089	my $avg = 10;
3090	$TICK_WATCHER = Event->timer (
3091	reentrant => 0,
3092	parked => 1,
3093	prio => 0,
3094	at => $NEXT_TICK || $TICK,
3095	data => WF_AUTOCANCEL,
3096	cb => sub {
3097	if ($Coro::current != $Coro::main) {	4375	if ($Coro::current != $Coro::main) {
3098	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4376	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3099	unless ++$bug_warning > 10;	4377	unless ++$bug_warning > 10;
3100	return;	4378	return;
3101	}	4379	}
3102		4380
3103	$NOW = $tick_start = Event::time;	4381	cf::one_tick; # one server iteration
3104		4382
3105	cf::server_tick; # one server iteration	4383	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3106		4384
3107	0 && sync_job {#d#	4385	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3108	for(1..10) {	4386	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3109	my $t = Event::time;	4387	Coro::async_pool {
3110	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4388	$Coro::current->{desc} = "runtime saver";
3111	or die;	4389	write_runtime_sync
3112		4390	or error "ERROR: unable to write runtime file: $!";
3113	$map->width (50);
3114	$map->height (50);
3115	$map->alloc;
3116	$map->_load_objects ("/tmp/x.map", 1);
3117	my $t = Event::time - $t;
3118
3119	#next unless $t < 0.0013;#d#
3120	if ($t < $min) {
3121	$min = $t;
3122	}
3123	$avg = $avg * 0.99 + $t * 0.01;
3124	}
3125	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3126	exit 0;
3127	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3128	};	4391	};
		4392	}
3129		4393
3130	$RUNTIME += $TICK;
3131	$NEXT_TICK += $TICK;
3132
3133	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3134	$NEXT_RUNTIME_WRITE = $NOW + 10;
3135	Coro::async_pool {
3136	write_runtime
3137	or warn "ERROR: unable to write runtime file: $!";
3138	};
3139	}
3140
3141	# my $AFTER = Event::time;
3142	# warn $AFTER - $NOW;#d#
3143
3144	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4394	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3145	$sig->send;	4395	$sig->send;
3146	}	4396	}
3147	while (my $sig = shift @WAIT_FOR_TICK) {	4397	$WAIT_FOR_TICK->broadcast;
3148	$sig->send;
3149	}
3150		4398
3151	$NOW = Event::time;	4399	$LOAD = ($NOW - $TICK_START) / $TICK;
3152
3153	# if we are delayed by four ticks or more, skip them all
3154	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3155
3156	$TICK_WATCHER->at ($NEXT_TICK);
3157	$TICK_WATCHER->start;
3158
3159	$LOAD = ($NOW - $tick_start) / $TICK;
3160	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4400	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3161		4401
3162	_post_tick;	4402	if (0) {
3163		4403	if ($NEXT_TICK) {
3164		4404	my $jitter = $TICK_START - $NEXT_TICK;
		4405	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4406	debug "jitter $JITTER\n";#d#
		4407	}
3165	},	4408	}
3166	);	4409	}
3167		4410
3168	{	4411	{
3169	BDB::max_poll_time $TICK * 0.1;	4412	# configure BDB
3170	$BDB_POLL_WATCHER = Event->io (	4413	info "initialising database";
3171	reentrant => 0,	4414
3172	fd => BDB::poll_fileno,
3173	poll => 'r',
3174	prio => 0,
3175	data => WF_AUTOCANCEL,
3176	cb => \&BDB::poll_cb,
3177	);
3178	BDB::min_parallel 8;	4415	BDB::min_parallel 16;
3179		4416	BDB::max_poll_reqs $TICK * 0.1;
3180	BDB::set_sync_prepare {	4417	#$AnyEvent::BDB::WATCHER->priority (1);
3181	my $status;
3182	my $current = $Coro::current;
3183	(
3184	sub {
3185	$status = $!;
3186	$current->ready; undef $current;
3187	},
3188	sub {
3189	Coro::schedule while defined $current;
3190	$! = $status;
3191	},
3192	)
3193	};
3194		4418
3195	unless ($DB_ENV) {	4419	unless ($DB_ENV) {
3196	$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);
3197		4426
3198	cf::sync_job {	4427	cf::sync_job {
3199	eval {	4428	eval {
3200	BDB::db_env_open	4429	BDB::db_env_open
3201	$DB_ENV,	4430	$DB_ENV,
…		…
3203	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4432	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3204	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4433	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3205	0666;	4434	0666;
3206		4435
3207	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4436	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3208
3209	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3210	$DB_ENV->set_lk_detect;
3211	};	4437	};
3212		4438
3213	cf::cleanup "db_env_open(db): $@" if $@;	4439	cf::cleanup "db_env_open(db): $@" if $@;
3214	};	4440	};
3215	}	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";
3216	}	4454	}
3217		4455
3218	{	4456	{
		4457	# configure IO::AIO
		4458
		4459	info "initialising aio";
3219	IO::AIO::min_parallel 8;	4460	IO::AIO::min_parallel 8;
3220
3221	undef $Coro::AIO::WATCHER;
3222	IO::AIO::max_poll_time $TICK * 0.1;	4461	IO::AIO::max_poll_time $TICK * 0.1;
3223	$AIO_POLL_WATCHER = Event->io (	4462	undef $AnyEvent::AIO::WATCHER;
3224	reentrant => 0,	4463	info "aio initialised";
3225	data => WF_AUTOCANCEL,
3226	fd => IO::AIO::poll_fileno,
3227	poll => 'r',
3228	prio => 6,
3229	cb => \&IO::AIO::poll_cb,
3230	);
3231	}	4464	}
3232		4465
3233	my $_log_backtrace;	4466	our $_log_backtrace;
		4467	our $_log_backtrace_last;
3234		4468
3235	sub _log_backtrace {	4469	sub _log_backtrace {
3236	my ($msg, @addr) = @_;	4470	my ($msg, @addr) = @_;
3237		4471
3238	$msg =~ s/\n//;	4472	$msg =~ s/\n$//;
3239		4473
		4474	if ($_log_backtrace_last eq $msg) {
		4475	LOG llevInfo, "[ABT] $msg\n";
		4476	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3240	# limit the # of concurrent backtraces	4477	# limit the # of concurrent backtraces
3241	if ($_log_backtrace < 2) {	4478	} elsif ($_log_backtrace < 2) {
		4479	$_log_backtrace_last = $msg;
3242	++$_log_backtrace;	4480	++$_log_backtrace;
		4481	my $perl_bt = Carp::longmess $msg;
3243	async {	4482	async {
		4483	$Coro::current->{desc} = "abt $msg";
		4484
3244	my @bt = fork_call {	4485	my @bt = fork_call {
3245	@addr = map { sprintf "%x", $_ } @addr;	4486	@addr = map { sprintf "%x", $_ } @addr;
3246	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4487	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3247	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 |"
3248	or die "addr2line: $!";	4489	or die "addr2line: $!";
…		…
3256	}	4497	}
3257		4498
3258	@funcs	4499	@funcs
3259	};	4500	};
3260		4501
3261	LOG llevInfo, "[ABT] $msg\n";	4502	LOG llevInfo, "[ABT] $perl_bt\n";
		4503	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3262	LOG llevInfo, "[ABT] $_\n" for @bt;	4504	LOG llevInfo, "[ABT] $_\n" for @bt;
3263	--$_log_backtrace;	4505	--$_log_backtrace;
3264	};	4506	};
3265	} else {	4507	} else {
3266	LOG llevInfo, "[ABT] $msg\n";	4508	LOG llevInfo, "[ABT] $msg\n";
3267	LOG llevInfo, "[ABT] [suppressed]\n";	4509	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3268	}	4510	}
3269	}	4511	}
3270		4512
3271	# load additional modules	4513	# load additional modules
3272	use cf::pod;	4514	require "cf/$_.pm" for @EXTRA_MODULES;
		4515	cf::_connect_to_perl_2;
3273		4516
3274	END { cf::emergency_save }	4517	END { cf::emergency_save }
3275		4518
3276	1	4519	1
3277		4520

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