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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.282 by elmex, Tue Jun 19 18:15:34 2007 UTC vs.
Revision 1.598 by root, Sun Nov 11 02:38:10 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 3.61 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
		54	use Coro::Util ();
24		55
		56	use Guard ();
		57	use JSON::XS 2.01 ();
25	use BDB ();	58	use BDB ();
26	use Data::Dumper;	59	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	60	use Fcntl;
29	use YAML::Syck ();	61	use YAML::XS ();
30	use IO::AIO 2.32 ();	62	use IO::AIO ();
31	use Time::HiRes;
32	use Compress::LZF;	63	use Compress::LZF;
		64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
33		67
34	# configure various modules to our taste	68	# configure various modules to our taste
35	#	69	#
36	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		78
40	$Event::Eval = 1; # no idea why this is required, but it is	79	# strictly for debugging
41		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		81
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		83
		84	our @ORIG_INC;
48		85
49	our %COMMAND = ();	86	our %COMMAND = ();
50	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
51		88
52	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
		92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
56		96
57	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
59		101
60	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
61	our $DATADIR = datadir;	104	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
65	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	114	our $BDBDIR = "$LOCALDIR/db";
		115	our $PIDFILE = "$LOCALDIR/pid";
		116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		117
		118	#our %RESOURCE; # unused
		119
		120	our $OUTPUT_RATE_MIN = 3000;
		121	our $OUTPUT_RATE_MAX = 1000000;
		122
		123	our $MAX_LINKS = 32; # how many chained exits to follow
		124	our $VERBOSE_IO = 1;
71		125
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	128	our $NEXT_TICK;
		129	our $USE_FSYNC = 1; # use fsync to write maps - default on
		130
		131	our $BDB_DEADLOCK_WATCHER;
		132	our $BDB_CHECKPOINT_WATCHER;
		133	our $BDB_TRICKLE_WATCHER;
		134	our $DB_ENV;
		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
		138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		140
		141	our $UPTIME; $UPTIME ||= time;
		142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
77	our $NOW;	144	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		145
80	our $BDB_POLL_WATCHER;	146	our (%PLAYER, %PLAYER_LOADING); # all users
81	our $DB_ENV;	147	our (%MAP, %MAP_LOADING ); # all maps
82
83	our %CFG;
84
85	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;
87
88	our %PLAYER; # all users
89	our %MAP; # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
91		149
92	# used to convert map paths into valid unix filenames by replacing / by ∕	150	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		152
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	153	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
		155	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	156	our $TICK_START; # for load detecting purposes
		157
		158	our @POST_INIT;
		159
		160	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		161	our $REALLY_UNLOOP; # never set to true, please :)
		162
		163	our $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
98		165
99	binmode STDOUT;	166	binmode STDOUT;
100	binmode STDERR;	167	binmode STDERR;
101		168
102	# read virtual server time, if available	169	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
107	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
108		177
109	mkdir $_	178	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		180
112	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
113		182
114	sub cf::map::normalise;	183	sub cf::map::normalise;
115		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
116	#############################################################################	189	#############################################################################
117		190
		191	%REFLECT = ();
		192	for (@REFLECT) {
		193	my $reflect = JSON::XS::decode_json $_;
		194	$REFLECT{$reflect->{class}} = $reflect;
		195	}
		196
		197	# this is decidedly evil
		198	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		199
		200	#############################################################################
		201
118	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
119		203
120	=over 4	204	=over 4
121		205
122	=item $cf::UPTIME	206	=item $cf::UPTIME
123		207
124	The timestamp of the server start (so not actually an uptime).	208	The timestamp of the server start (so not actually an "uptime").
		209
		210	=item $cf::SERVER_TICK
		211
		212	An unsigned integer that starts at zero when the server is started and is
		213	incremented on every tick.
		214
		215	=item $cf::NOW
		216
		217	The (real) time of the last (current) server tick - updated before and
		218	after tick processing, so this is useful only as a rough "what time is it
		219	now" estimate.
		220
		221	=item $cf::TICK
		222
		223	The interval between each server tick, in seconds.
125		224
126	=item $cf::RUNTIME	225	=item $cf::RUNTIME
127		226
128	The time this server has run, starts at 0 and is increased by $cf::TICK on	227	The time this server has run, starts at 0 and is increased by $cf::TICK on
129	every server tick.	228	every server tick.
130		229
131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
134		233
135	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
137	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
138	database environment.	237	database environment.
139		238
140	=item $cf::NOW
141
142	The time of the last (current) server tick.
143
144	=item $cf::TICK
145
146	The interval between server ticks, in seconds.
147
148	=item $cf::LOADAVG	239	=item $cf::LOADAVG
149		240
150	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
151	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
152	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
155		246
156	The raw value load value from the last tick.	247	The raw value load value from the last tick.
157		248
158	=item %cf::CFG	249	=item %cf::CFG
159		250
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	252	from wherever your confdir points to.
162		253
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		255
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	257	returns directly I<after> the tick processing (and consequently, can only wake one thread
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	258	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		259
		260	Note that cf::Wait_for_tick will immediately return when the server is not
		261	ticking, making it suitable for small pauses in threads that need to run
		262	when the server is paused. If that is not applicable (i.e. you I<really>
		263	want to wait, use C<$cf::WAIT_FOR_TICK>).
		264
		265	=item $cf::WAIT_FOR_TICK
		266
		267	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		268	variable contains a L<Coro::Signal> that is broadcats after every server
		269	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		270	next server tick.
		271
		272	=cut
		273
		274	sub wait_for_tick();
		275	sub wait_for_tick_begin();
		276
		277	=item @cf::INVOKE_RESULTS
		278
		279	This array contains the results of the last C<invoke ()> call. When
		280	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		281	that call.
		282
		283	=item %cf::REFLECT
		284
		285	Contains, for each (C++) class name, a hash reference with information
		286	about object members (methods, scalars, arrays and flags) and other
		287	metadata, which is useful for introspection.
		288
169	=back	289	=back
170		290
171	=cut	291	=cut
172		292
173	BEGIN {	293	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	294	sub warn (@) { LOG llevWarn , join "", @_ }
		295	sub info (@) { LOG llevInfo , join "", @_ }
		296	sub debug(@) { LOG llevDebug, join "", @_ }
		297	sub trace(@) { LOG llevTrace, join "", @_ }
		298
		299	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	300	my $msg = join "", @_;
176		301
177	$msg .= "\n"	302	$msg .= "\n"
178	unless $msg =~ /\n$/;	303	unless $msg =~ /\n$/;
179		304
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	305	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		306
182	utf8::encode $msg;
183	LOG llevError, $msg;	307	LOG llevWarn, $msg;
184	};	308	};
185	}	309
		310	$Coro::State::DIEHOOK = sub {
		311	return unless $^S eq 0; # "eq", not "=="
		312
		313	error Carp::longmess $_[0];
		314
		315	if (in_main) {#d#
		316	error "DIEHOOK called in main context, Coro bug?\n";#d#
		317	return;#d#
		318	}#d#
		319
		320	# kill coroutine otherwise
		321	Coro::terminate
		322	};
186		323
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	324	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	325	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	326	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	327	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	334	for my $pkg (qw(
198	cf::global cf::attachable	335	cf::global cf::attachable
199	cf::object cf::object::player	336	cf::object cf::object::player
200	cf::client cf::player	337	cf::client cf::player
201	cf::arch cf::living	338	cf::arch cf::living
		339	cf::map cf::mapspace
202	cf::map cf::party cf::region	340	cf::party cf::region
203	)) {	341	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	342	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	343	}
207		344
208	$Event::DIED = sub {	345	$EV::DIED = sub {
209	warn "error in event callback: @_";	346	warn "error in event callback: $@";
210	};	347	};
		348
		349	#############################################################################
		350
		351	sub fork_call(&@);
		352	sub get_slot($;$$);
211		353
212	#############################################################################	354	#############################################################################
213		355
214	=head2 UTILITY FUNCTIONS	356	=head2 UTILITY FUNCTIONS
215		357
…		…
236	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	378	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
237	$d	379	$d
238	} || "[unable to dump $_[0]: '$@']";	380	} || "[unable to dump $_[0]: '$@']";
239	}	381	}
240		382
241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	383	=item $scalar = cf::load_file $path
242		384
		385	Loads the given file from path and returns its contents. Croaks on error
		386	and can block.
		387
		388	=cut
		389
		390	sub load_file($) {
		391	0 <= aio_load $_[0], my $data
		392	or Carp::croak "$_[0]: $!";
		393
		394	$data
		395	}
		396
		397	=item $success = cf::replace_file $path, $data, $sync
		398
		399	Atomically replaces the file at the given $path with new $data, and
		400	optionally $sync the data to disk before replacing the file.
		401
		402	=cut
		403
		404	sub replace_file($$;$) {
		405	my ($path, $data, $sync) = @_;
		406
		407	my $lock = cf::lock_acquire ("replace_file:$path");
		408
		409	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		410	or return;
		411
		412	$data = $data->() if ref $data;
		413
		414	length $data == aio_write $fh, 0, (length $data), $data, 0
		415	or return;
		416
		417	!$sync
		418	or !aio_fsync $fh
		419	or return;
		420
		421	aio_close $fh
		422	and return;
		423
		424	aio_rename "$path~", $path
		425	and return;
		426
		427	if ($sync) {
		428	$path =~ s%/[^/]*$%%;
		429	aio_pathsync $path;
		430	}
		431
		432	1
		433	}
		434
243	=item $ref = cf::from_json $json	435	=item $ref = cf::decode_json $json
244		436
245	Converts a JSON string into the corresponding perl data structure.	437	Converts a JSON string into the corresponding perl data structure.
246		438
247	=item $json = cf::to_json $ref	439	=item $json = cf::encode_json $ref
248		440
249	Converts a perl data structure into its JSON representation.	441	Converts a perl data structure into its JSON representation.
250		442
		443	=cut
		444
		445	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		446
		447	sub encode_json($) { $json_coder->encode ($_[0]) }
		448	sub decode_json($) { $json_coder->decode ($_[0]) }
		449
		450	=item $ref = cf::decode_storable $scalar
		451
		452	Same as Coro::Storable::thaw, so blocks.
		453
		454	=cut
		455
		456	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		457
		458	=item $ref = cf::decode_yaml $scalar
		459
		460	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		461
		462	=cut
		463
		464	sub decode_yaml($) {
		465	fork_call { YAML::XS::Load $_[0] } @_
		466	}
		467
		468	=item $scalar = cf::unlzf $scalar
		469
		470	Same as Compress::LZF::compress, but takes server ticks into account, so
		471	blocks.
		472
		473	=cut
		474
		475	sub unlzf($) {
		476	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		477	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		478	Compress::LZF::decompress $_[0]
		479	}
		480
		481	=item cf::post_init { BLOCK }
		482
		483	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		484	but I<before> the server starts ticking again.
		485
		486	The codeblock will have a single boolean argument to indicate whether this
		487	is a reload or not.
		488
		489	=cut
		490
		491	sub post_init(&) {
		492	push @POST_INIT, shift;
		493	}
		494
		495	sub _post_init {
		496	trace "running post_init jobs";
		497
		498	# run them in parallel...
		499
		500	my @join;
		501
		502	while () {
		503	push @join, map &Coro::async ($_, 0), @POST_INIT;
		504	@POST_INIT = ();
		505
		506	@join or last;
		507
		508	(pop @join)->join;
		509	}
		510	}
		511
251	=item cf::lock_wait $string	512	=item cf::lock_wait $string
252		513
253	Wait until the given lock is available. See cf::lock_acquire.	514	Wait until the given lock is available. See cf::lock_acquire.
254		515
255	=item my $lock = cf::lock_acquire $string	516	=item my $lock = cf::lock_acquire $string
256		517
257	Wait until the given lock is available and then acquires it and returns	518	Wait until the given lock is available and then acquires it and returns
258	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	519	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
259	for example when the coroutine gets canceled), the lock is automatically	520	for example when the coroutine gets canceled), the lock is automatically
260	returned.	521	returned.
261		522
		523	Locks are *not* recursive, locking from the same coro twice results in a
		524	deadlocked coro.
		525
262	Lock names should begin with a unique identifier (for example, cf::map::find	526	Lock names should begin with a unique identifier (for example, cf::map::find
263	uses map_find and cf::map::load uses map_load).	527	uses map_find and cf::map::load uses map_load).
264		528
265	=item $locked = cf::lock_active $string	529	=item $locked = cf::lock_active $string
266		530
267	Return true if the lock is currently active, i.e. somebody has locked it.	531	Return true if the lock is currently active, i.e. somebody has locked it.
268		532
269	=cut	533	=cut
270		534
271	our %LOCK;	535	our $LOCKS = new Coro::SemaphoreSet;
272		536
273	sub lock_wait($) {	537	sub lock_wait($) {
274	my ($key) = @_;	538	$LOCKS->wait ($_[0]);
275
276	# wait for lock, if any
277	while ($LOCK{$key}) {
278	push @{ $LOCK{$key} }, $Coro::current;
279	Coro::schedule;
280	}
281	}	539	}
282		540
283	sub lock_acquire($) {	541	sub lock_acquire($) {
284	my ($key) = @_;	542	$LOCKS->guard ($_[0])
285
286	# wait, to be sure we are not locked
287	lock_wait $key;
288
289	$LOCK{$key} = [];
290
291	Coro::guard {
292	# wake up all waiters, to be on the safe side
293	$_->ready for @{ delete $LOCK{$key} };
294	}
295	}	543	}
296		544
297	sub lock_active($) {	545	sub lock_active($) {
298	my ($key) = @_;	546	$LOCKS->count ($_[0]) < 1
299
300	! ! $LOCK{$key}
301	}	547	}
302		548
303	sub freeze_mainloop {	549	sub freeze_mainloop {
304	return unless $TICK_WATCHER->is_active;	550	tick_inhibit_inc;
305		551
306	my $guard = Coro::guard {	552	&Guard::guard (\&tick_inhibit_dec);
307	$TICK_WATCHER->start;	553	}
		554
		555	=item cf::periodic $interval, $cb
		556
		557	Like EV::periodic, but randomly selects a starting point so that the actions
		558	get spread over time.
		559
		560	=cut
		561
		562	sub periodic($$) {
		563	my ($interval, $cb) = @_;
		564
		565	my $start = rand List::Util::min 180, $interval;
		566
		567	EV::periodic $start, $interval, 0, $cb
		568	}
		569
		570	=item cf::get_slot $time[, $priority[, $name]]
		571
		572	Allocate $time seconds of blocking CPU time at priority C<$priority>
		573	(default: 0): This call blocks and returns only when you have at least
		574	C<$time> seconds of cpu time till the next tick. The slot is only valid
		575	till the next cede.
		576
		577	Background jobs should use a priority les than zero, interactive jobs
		578	should use 100 or more.
		579
		580	The optional C<$name> can be used to identify the job to run. It might be
		581	used for statistical purposes and should identify the same time-class.
		582
		583	Useful for short background jobs.
		584
		585	=cut
		586
		587	our @SLOT_QUEUE;
		588	our $SLOT_QUEUE;
		589	our $SLOT_DECAY = 0.9;
		590
		591	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		592	$SLOT_QUEUE = Coro::async {
		593	$Coro::current->desc ("timeslot manager");
		594
		595	my $signal = new Coro::Signal;
		596	my $busy;
		597
		598	while () {
		599	next_job:
		600
		601	my $avail = cf::till_tick;
		602
		603	for (0 .. $#SLOT_QUEUE) {
		604	if ($SLOT_QUEUE[$_][0] <= $avail) {
		605	$busy = 0;
		606	my $job = splice @SLOT_QUEUE, $_, 1, ();
		607	$job->[2]->send;
		608	Coro::cede;
		609	goto next_job;
		610	} else {
		611	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		612	}
		613	}
		614
		615	if (@SLOT_QUEUE) {
		616	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		617	$WAIT_FOR_TICK->wait;
		618	} else {
		619	$busy = 0;
		620	Coro::schedule;
		621	}
308	};	622	}
309	$TICK_WATCHER->stop;	623	};
310	$guard	624
		625	sub get_slot($;$$) {
		626	return if tick_inhibit || $Coro::current == $Coro::main;
		627
		628	my ($time, $pri, $name) = @_;
		629
		630	$time = clamp $time, 0.01, $TICK * .6;
		631
		632	my $sig = new Coro::Signal;
		633
		634	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		635	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		636	$SLOT_QUEUE->ready;
		637	$sig->wait;
311	}	638	}
312		639
313	=item cf::async { BLOCK }	640	=item cf::async { BLOCK }
314		641
315	Currently the same as Coro::async_pool, meaning you cannot use	642	Currently the same as Coro::async_pool, meaning you cannot use
…		…
320		647
321	BEGIN { *async = \&Coro::async_pool }	648	BEGIN { *async = \&Coro::async_pool }
322		649
323	=item cf::sync_job { BLOCK }	650	=item cf::sync_job { BLOCK }
324		651
325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	652	The design of Deliantra requires that the main coroutine ($Coro::main)
326	is always able to handle events or runnable, as Crossfire TRT is only	653	is always able to handle events or runnable, as Deliantra is only
327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	654	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328	acceptable.	655	acceptable.
329		656
330	If it must be done, put the blocking parts into C<sync_job>. This will run	657	If it must be done, put the blocking parts into C<sync_job>. This will run
331	the given BLOCK in another coroutine while waiting for the result. The	658	the given BLOCK in another coroutine while waiting for the result. The
…		…
335	=cut	662	=cut
336		663
337	sub sync_job(&) {	664	sub sync_job(&) {
338	my ($job) = @_;	665	my ($job) = @_;
339		666
340	if ($Coro::current == $Coro::main) {	667	if (in_main) {
341	my $time = Event::time;	668	my $time = AE::time;
342		669
343	# this is the main coro, too bad, we have to block	670	# this is the main coro, too bad, we have to block
344	# till the operation succeeds, freezing the server :/	671	# till the operation succeeds, freezing the server :/
345		672
346	# TODO: use suspend/resume instead	673	#LOG llevError, Carp::longmess "sync job";#d#
347	# (but this is cancel-safe)	674
348	my $freeze_guard = freeze_mainloop;	675	my $freeze_guard = freeze_mainloop;
349		676
350	my $busy = 1;	677	my $busy = 1;
351	my @res;	678	my @res;
352		679
353	(async {	680	(async {
		681	$Coro::current->desc ("sync job coro");
354	@res = eval { $job->() };	682	@res = eval { $job->() };
355	warn $@ if $@;	683	error $@ if $@;
356	undef $busy;	684	undef $busy;
357	})->prio (Coro::PRIO_MAX);	685	})->prio (Coro::PRIO_MAX);
358		686
359	while ($busy) {	687	while ($busy) {
360	Coro::cede or Event::one_event;	688	if (Coro::nready) {
		689	Coro::cede_notself;
		690	} else {
		691	EV::loop EV::LOOP_ONESHOT;
361	}	692	}
		693	}
362		694
363	$time = Event::time - $time;	695	my $time = AE::time - $time;
364		696
365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
367
368	$tick_start += $time; # do not account sync jobs to server load	697	$TICK_START += $time; # do not account sync jobs to server load
369		698
370	wantarray ? @res : $res[0]	699	wantarray ? @res : $res[0]
371	} else {	700	} else {
372	# we are in another coroutine, how wonderful, everything just works	701	# we are in another coroutine, how wonderful, everything just works
373		702
…		…
393	$EXT_CORO{$coro+0} = $coro;	722	$EXT_CORO{$coro+0} = $coro;
394		723
395	$coro	724	$coro
396	}	725	}
397		726
398	=item fork_call { }, $args	727	=item fork_call { }, @args
399		728
400	Executes the given code block with the given arguments in a seperate	729	Executes the given code block with the given arguments in a seperate
401	process, returning the results. Everything must be serialisable with	730	process, returning the results. Everything must be serialisable with
402	Coro::Storable. May, of course, block. Note that the executed sub may	731	Coro::Storable. May, of course, block. Note that the executed sub may
403	never block itself or use any form of Event handling.	732	never block itself or use any form of event handling.
404		733
405	=cut	734	=cut
		735
		736	sub post_fork {
		737	reset_signals;
		738	}
406		739
407	sub fork_call(&@) {	740	sub fork_call(&@) {
408	my ($cb, @args) = @_;	741	my ($cb, @args) = @_;
409		742
410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	743	# we seemingly have to make a local copy of the whole thing,
411	# or die "socketpair: $!";	744	# otherwise perl prematurely frees the stuff :/
412	pipe my $fh1, my $fh2	745	# TODO: investigate and fix (likely this will be rather laborious)
413	or die "pipe: $!";
414		746
415	if (my $pid = fork) {	747	my @res = Coro::Util::fork_eval {
416	close $fh2;	748	cf::post_fork;
		749	&$cb
		750	} @args;
417		751
418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	752	wantarray ? @res : $res[-1]
419	$res = Coro::Storable::thaw $res;	753	}
420		754
421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	755	sub objinfo {
422
423	die $$res unless "ARRAY" eq ref $res;
424
425	return wantarray ? @$res : $res->[-1];
426	} else {
427	reset_signals;
428	local $SIG{__WARN__};
429	local $SIG{__DIE__};
430	eval {
431	close $fh1;
432
433	my @res = eval { $cb->(@args) };
434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
435	};
436
437	warn $@ if $@;
438	_exit 0;
439	}	756	(
		757	"counter value" => cf::object::object_count,
		758	"objects created" => cf::object::create_count,
		759	"objects destroyed" => cf::object::destroy_count,
		760	"freelist size" => cf::object::free_count,
		761	"allocated objects" => cf::object::objects_size,
		762	"active objects" => cf::object::actives_size,
		763	)
		764	}
		765
		766	=item $coin = coin_from_name $name
		767
		768	=cut
		769
		770	our %coin_alias = (
		771	"silver" => "silvercoin",
		772	"silvercoin" => "silvercoin",
		773	"silvercoins" => "silvercoin",
		774	"gold" => "goldcoin",
		775	"goldcoin" => "goldcoin",
		776	"goldcoins" => "goldcoin",
		777	"platinum" => "platinacoin",
		778	"platinumcoin" => "platinacoin",
		779	"platinumcoins" => "platinacoin",
		780	"platina" => "platinacoin",
		781	"platinacoin" => "platinacoin",
		782	"platinacoins" => "platinacoin",
		783	"royalty" => "royalty",
		784	"royalties" => "royalty",
		785	);
		786
		787	sub coin_from_name($) {
		788	$coin_alias{$_[0]}
		789	? cf::arch::find $coin_alias{$_[0]}
		790	: undef
440	}	791	}
441		792
442	=item $value = cf::db_get $family => $key	793	=item $value = cf::db_get $family => $key
443		794
444	Returns a single value from the environment database.	795	Returns a single value from the environment database.
…		…
446	=item cf::db_put $family => $key => $value	797	=item cf::db_put $family => $key => $value
447		798
448	Stores the given C<$value> in the family. It can currently store binary	799	Stores the given C<$value> in the family. It can currently store binary
449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	800	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
450		801
		802	=item $db = cf::db_table "name"
		803
		804	Create and/or open a new database table. The string must not be "db" and must be unique
		805	within each server.
		806
451	=cut	807	=cut
		808
		809	sub db_table($) {
		810	cf::error "db_get called from main context"
		811	if $Coro::current == $Coro::main;
		812
		813	my ($name) = @_;
		814	my $db = BDB::db_create $DB_ENV;
		815
		816	eval {
		817	$db->set_flags (BDB::CHKSUM);
		818
		819	utf8::encode $name;
		820	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		821	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		822	cf::cleanup "db_open(db): $!" if $!;
		823	};
		824	cf::cleanup "db_open(db): $@" if $@;
		825
		826	$db
		827	}
452		828
453	our $DB;	829	our $DB;
454		830
455	sub db_init {	831	sub db_init {
456	unless ($DB) {	832	$DB ||= db_table "db";
457	$DB = BDB::db_create $DB_ENV;
458
459	cf::sync_job {
460	eval {
461	$DB->set_flags (BDB::CHKSUM);
462
463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
465	cf::cleanup "db_open(db): $!" if $!;
466	};
467	cf::cleanup "db_open(db): $@" if $@;
468	};
469	}
470	}	833	}
471		834
472	sub db_get($$) {	835	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	836	my $key = "$_[0]/$_[1]";
474		837
475	cf::sync_job {	838	cf::error "db_get called from main context"
		839	if $Coro::current == $Coro::main;
		840
476	BDB::db_get $DB, undef, $key, my $data;	841	BDB::db_get $DB, undef, $key, my $data;
477		842
478	$! ? ()	843	$! ? ()
479	: $data	844	: $data
480	}
481	}	845	}
482		846
483	sub db_put($$$) {	847	sub db_put($$$) {
484	BDB::dbreq_pri 4;	848	BDB::dbreq_pri 4;
485	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	849	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
513		877
514	my @data;	878	my @data;
515	my $md5;	879	my $md5;
516		880
517	for (0 .. $#$src) {	881	for (0 .. $#$src) {
518	0 <= aio_load $src->[$_], $data[$_]	882	$data[$_] = load_file $src->[$_];
519	or Carp::croak "$src->[$_]: $!";
520	}	883	}
521		884
522	# if processing is expensive, check	885	# if processing is expensive, check
523	# checksum first	886	# checksum first
524	if (1) {	887	if (1) {
525	$md5 =	888	$md5 =
526	join "\x00",	889	join "\x00",
527	$processversion,	890	$processversion,
528	map {	891	map {
529	Coro::cede;	892	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	893	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	894	} 0.. $#$src;
532		895
533		896
534	my $dbmd5 = db_get cache => "$id/md5";	897	my $dbmd5 = db_get cache => "$id/md5";
…		…
537		900
538	return db_get cache => "$id/data";	901	return db_get cache => "$id/data";
539	}	902	}
540	}	903	}
541		904
542	my $t1 = Time::HiRes::time;	905	my $t1 = EV::time;
543	my $data = $process->(\@data);	906	my $data = $process->(\@data);
544	my $t2 = Time::HiRes::time;	907	my $t2 = EV::time;
545		908
546	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	909	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
547		910
548	db_put cache => "$id/data", $data;	911	db_put cache => "$id/data", $data;
549	db_put cache => "$id/md5" , $md5;	912	db_put cache => "$id/md5" , $md5;
550	db_put cache => "$id/meta", $meta;	913	db_put cache => "$id/meta", $meta;
551		914
…		…
561		924
562	=cut	925	=cut
563		926
564	sub datalog($@) {	927	sub datalog($@) {
565	my ($type, %kv) = @_;	928	my ($type, %kv) = @_;
566	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	929	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
567	}	930	}
568		931
569	=back	932	=back
570		933
571	=cut	934	=cut
572		935
573	#############################################################################	936	#############################################################################
574		937
575	=head2 ATTACHABLE OBJECTS	938	=head2 ATTACHABLE OBJECTS
576		939
577	Many objects in crossfire are so-called attachable objects. That means you can	940	Many objects in deliantra are so-called attachable objects. That means you can
578	attach callbacks/event handlers (a collection of which is called an "attachment")	941	attach callbacks/event handlers (a collection of which is called an "attachment")
579	to it. All such attachable objects support the following methods.	942	to it. All such attachable objects support the following methods.
580		943
581	In the following description, CLASS can be any of C<global>, C<object>	944	In the following description, CLASS can be any of C<global>, C<object>
582	C<player>, C<client> or C<map> (i.e. the attachable objects in	945	C<player>, C<client> or C<map> (i.e. the attachable objects in
583	Crossfire TRT).	946	Deliantra).
584		947
585	=over 4	948	=over 4
586		949
587	=item $attachable->attach ($attachment, key => $value...)	950	=item $attachable->attach ($attachment, key => $value...)
588		951
…		…
632	=item cf::CLASS::attachment $name, ...	995	=item cf::CLASS::attachment $name, ...
633		996
634	Register an attachment by C<$name> through which attachable objects of the	997	Register an attachment by C<$name> through which attachable objects of the
635	given CLASS can refer to this attachment.	998	given CLASS can refer to this attachment.
636		999
637	Some classes such as crossfire maps and objects can specify attachments	1000	Some classes such as deliantra maps and objects can specify attachments
638	that are attached at load/instantiate time, thus the need for a name.	1001	that are attached at load/instantiate time, thus the need for a name.
639		1002
640	These calls expect any number of the following handler/hook descriptions:	1003	These calls expect any number of the following handler/hook descriptions:
641		1004
642	=over 4	1005	=over 4
…		…
766		1129
767	} elsif (exists $cb_id{$type}) {	1130	} elsif (exists $cb_id{$type}) {
768	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1131	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
769		1132
770	} elsif (ref $type) {	1133	} elsif (ref $type) {
771	warn "attaching objects not supported, ignoring.\n";	1134	error "attaching objects not supported, ignoring.\n";
772		1135
773	} else {	1136	} else {
774	shift @arg;	1137	shift @arg;
775	warn "attach argument '$type' not supported, ignoring.\n";	1138	error "attach argument '$type' not supported, ignoring.\n";
776	}	1139	}
777	}	1140	}
778	}	1141	}
779		1142
780	sub _object_attach {	1143	sub _object_attach {
…		…
790	_attach $registry, $klass, @attach;	1153	_attach $registry, $klass, @attach;
791	}	1154	}
792		1155
793	$obj->{$name} = \%arg;	1156	$obj->{$name} = \%arg;
794	} else {	1157	} else {
795	warn "object uses attachment '$name' which is not available, postponing.\n";	1158	info "object uses attachment '$name' which is not available, postponing.\n";
796	}	1159	}
797		1160
798	$obj->{_attachment}{$name} = undef;	1161	$obj->{_attachment}{$name} = undef;
799	}	1162	}
800		1163
…		…
840	";	1203	";
841	die if $@;	1204	die if $@;
842	}	1205	}
843		1206
844	our $override;	1207	our $override;
845	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1208	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
846		1209
847	sub override {	1210	sub override {
848	$override = 1;	1211	$override = 1;
849	@invoke_results = ();	1212	@INVOKE_RESULTS = (@_);
850	}	1213	}
851		1214
852	sub do_invoke {	1215	sub do_invoke {
853	my $event = shift;	1216	my $event = shift;
854	my $callbacks = shift;	1217	my $callbacks = shift;
855		1218
856	@invoke_results = ();	1219	@INVOKE_RESULTS = ();
857		1220
858	local $override;	1221	local $override;
859		1222
860	for (@$callbacks) {	1223	for (@$callbacks) {
861	eval { &{$_->[1]} };	1224	eval { &{$_->[1]} };
862		1225
863	if ($@) {	1226	if ($@) {
864	warn "$@";
865	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1227	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
866	override;	1228	override;
867	}	1229	}
868		1230
869	return 1 if $override;	1231	return 1 if $override;
870	}	1232	}
871		1233
872	0	1234	0
873	}	1235	}
874		1236
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1237	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		1238
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1239	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1240
879	Generate an object-specific event with the given arguments.	1241	Generate an object-specific event with the given arguments.
880		1242
881	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1243	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
882	removed in future versions), and there is no public API to access override	1244	removed in future versions), and there is no public API to access override
883	results (if you must, access C<@cf::invoke_results> directly).	1245	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1246
885	=back	1247	=back
886		1248
887	=cut	1249	=cut
888		1250
889	#############################################################################	1251	#############################################################################
890	# object support	1252	# object support
		1253
		1254	sub _object_equal($$);
		1255	sub _object_equal($$) {
		1256	my ($a, $b) = @_;
		1257
		1258	return 0 unless (ref $a) eq (ref $b);
		1259
		1260	if ("HASH" eq ref $a) {
		1261	my @ka = keys %$a;
		1262	my @kb = keys %$b;
		1263
		1264	return 0 if @ka != @kb;
		1265
		1266	for (0 .. $#ka) {
		1267	return 0 unless $ka[$_] eq $kb[$_];
		1268	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1269	}
		1270
		1271	} elsif ("ARRAY" eq ref $a) {
		1272
		1273	return 0 if @$a != @$b;
		1274
		1275	for (0 .. $#$a) {
		1276	return 0 unless _object_equal $a->[$_], $b->[$_];
		1277	}
		1278
		1279	} elsif ($a ne $b) {
		1280	return 0;
		1281	}
		1282
		1283	1
		1284	}
		1285
		1286	our $SLOW_MERGES;#d#
		1287	sub _can_merge {
		1288	my ($ob1, $ob2) = @_;
		1289
		1290	++$SLOW_MERGES;#d#
		1291
		1292	# we do the slow way here
		1293	return _object_equal $ob1, $ob2
		1294	}
891		1295
892	sub reattach {	1296	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1297	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1298	my ($obj) = @_;
895		1299
		1300	# no longer needed after getting rid of delete_package?
896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1301	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
897		1302
898	my $registry = $obj->registry;	1303	my $registry = $obj->registry;
899		1304
900	@$registry = ();	1305	@$registry = ();
901		1306
…		…
906	for (@$attach) {	1311	for (@$attach) {
907	my ($klass, @attach) = @$_;	1312	my ($klass, @attach) = @$_;
908	_attach $registry, $klass, @attach;	1313	_attach $registry, $klass, @attach;
909	}	1314	}
910	} else {	1315	} else {
911	warn "object uses attachment '$name' that is not available, postponing.\n";	1316	info "object uses attachment '$name' that is not available, postponing.\n";
912	}	1317	}
913	}	1318	}
914	}	1319	}
915		1320
916	cf::attachable->attach (	1321	cf::attachable->attach (
917	prio => -1000000,	1322	prio => -1000000,
918	on_instantiate => sub {	1323	on_instantiate => sub {
919	my ($obj, $data) = @_;	1324	my ($obj, $data) = @_;
920		1325
921	$data = from_json $data;	1326	$data = decode_json $data;
922		1327
923	for (@$data) {	1328	for (@$data) {
924	my ($name, $args) = @$_;	1329	my ($name, $args) = @$_;
925		1330
926	$obj->attach ($name, %{$args || {} });	1331	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1347	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1348	my ($filename, $rdata, $objs) = @_;
944		1349
945	sync_job {	1350	sync_job {
946	if (length $$rdata) {	1351	if (length $$rdata) {
		1352	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1353	trace sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1354	$decname, length $$rdata, scalar @$objs
		1355	if $VERBOSE_IO;
949		1356
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1357	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1358	aio_chmod $fh, SAVE_MODE;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1359	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	aio_fsync $fh if $cf::USE_FSYNC;	1360	if ($cf::USE_FSYNC) {
		1361	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;
		1362	aio_fsync $fh;
		1363	}
954	close $fh;	1364	aio_close $fh;
955		1365
956	if (@$objs) {	1366	if (@$objs) {
957	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1367	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1368	aio_chmod $fh, SAVE_MODE;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1369	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1370	aio_write $fh, 0, (length $data), $data, 0;
961	aio_fsync $fh if $cf::USE_FSYNC;	1371	if ($cf::USE_FSYNC) {
		1372	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;
		1373	aio_fsync $fh;
		1374	}
962	close $fh;	1375	aio_close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1376	aio_rename "$filename.pst~", "$filename.pst";
964	}	1377	}
965	} else {	1378	} else {
966	aio_unlink "$filename.pst";	1379	aio_unlink "$filename.pst";
967	}	1380	}
968		1381
969	aio_rename "$filename~", $filename;	1382	aio_rename "$filename~", $filename;
		1383
		1384	$filename =~ s%/[^/]+$%%;
		1385	aio_pathsync $filename if $cf::USE_FSYNC;
970	} else {	1386	} else {
971	warn "FATAL: $filename~: $!\n";	1387	error "unable to save objects: $filename~: $!\n";
972	}	1388	}
973	} else {	1389	} else {
974	aio_unlink $filename;	1390	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1391	aio_unlink "$filename.pst";
976	}	1392	}
977	}	1393	};
978	}	1394	}
979		1395
980	sub object_freezer_as_string {	1396	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1397	my ($rdata, $objs) = @_;
982		1398
…		…
994	or return;	1410	or return;
995		1411
996	unless (aio_stat "$filename.pst") {	1412	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1413	(aio_load "$filename.pst", $av) >= 0
998	or return;	1414	or return;
		1415
999	$av = eval { (Storable::thaw $av)->{objs} };	1416	my $st = eval { Coro::Storable::thaw $av };
		1417	$av = $st->{objs};
1000	}	1418	}
1001		1419
		1420	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1421	trace sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1422	$decname, length $data, scalar @{$av || []}
		1423	if $VERBOSE_IO;
		1424
1004	return ($data, $av);	1425	($data, $av)
1005	}	1426	}
1006		1427
1007	=head2 COMMAND CALLBACKS	1428	=head2 COMMAND CALLBACKS
1008		1429
1009	=over 4	1430	=over 4
…		…
1011	=cut	1432	=cut
1012		1433
1013	#############################################################################	1434	#############################################################################
1014	# command handling &c	1435	# command handling &c
1015		1436
1016	=item cf::register_command $name => \&callback($ob,$args);	1437	=item cf::register_command $name => \&callback($ob,$args)
1017		1438
1018	Register a callback for execution when the client sends the user command	1439	Register a callback for execution when the client sends the user command
1019	$name.	1440	$name.
1020		1441
1021	=cut	1442	=cut
…		…
1027	#warn "registering command '$name/$time' to '$caller'";	1448	#warn "registering command '$name/$time' to '$caller'";
1028		1449
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1450	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1451	}
1031		1452
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1453	=item cf::register_extcmd $name => \&callback($pl,@args)
1033		1454
1034	Register a callback fro execution when the client sends an extcmd packet.	1455	Register a callback for execution when the client sends an (synchronous)
		1456	extcmd packet. Ext commands will be processed in the order they are
		1457	received by the server, like other user commands. The first argument is
		1458	the logged-in player. Ext commands can only be processed after a player
		1459	has logged in successfully.
1035		1460
1036	If the callback returns something, it is sent back as if reply was being	1461	The values will be sent back to the client.
1037	called.
1038		1462
1039	=cut	1463	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
1040		1464
		1465	Same as C<cf::register_extcmd>, but instead of returning values, the
		1466	callback needs to clal the C<$reply> function.
		1467
		1468	=item cf::register_exticmd $name => \&callback($ns,@args)
		1469
		1470	Register a callback for execution when the client sends an (asynchronous)
		1471	exticmd packet. Exti commands are processed by the server as soon as they
		1472	are received, i.e. out of order w.r.t. other commands. The first argument
		1473	is a client socket. Exti commands can be received anytime, even before
		1474	log-in.
		1475
		1476	The values will be sent back to the client.
		1477
		1478	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
		1479
		1480	Same as C<cf::register_extcmd>, but instead of returning values, the
		1481	callback needs to clal the C<$reply> function.
		1482
		1483	=cut
		1484
1041	sub register_extcmd {	1485	sub register_extcmd($$) {
1042	my ($name, $cb) = @_;	1486	my ($name, $cb) = @_;
1043		1487
1044	$EXTCMD{$name} = $cb;	1488	$EXTCMD{$name} = $cb;
1045	}	1489	}
1046		1490
		1491	sub register_async_extcmd($$) {
		1492	my ($name, $cb) = @_;
		1493
		1494	$EXTACMD{$name} = $cb;
		1495	}
		1496
		1497	sub register_exticmd($$) {
		1498	my ($name, $cb) = @_;
		1499
		1500	$EXTICMD{$name} = $cb;
		1501	}
		1502
		1503	sub register_async_exticmd($$) {
		1504	my ($name, $cb) = @_;
		1505
		1506	$EXTIACMD{$name} = $cb;
		1507	}
		1508
		1509	use File::Glob ();
		1510
1047	cf::player->attach (	1511	cf::player->attach (
1048	on_command => sub {	1512	on_unknown_command => sub {
1049	my ($pl, $name, $params) = @_;	1513	my ($pl, $name, $params) = @_;
1050		1514
1051	my $cb = $COMMAND{$name}	1515	my $cb = $COMMAND{$name}
1052	or return;	1516	or return;
1053		1517
…		…
1058	cf::override;	1522	cf::override;
1059	},	1523	},
1060	on_extcmd => sub {	1524	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1525	my ($pl, $buf) = @_;
1062		1526
1063	my $msg = eval { from_json $buf };	1527	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1528
1065	if (ref $msg) {	1529	if (ref $msg) {
		1530	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1531
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1532	if (my $cb = $EXTACMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1533	$cb->(
1068	$pl->ext_reply ($msg->{msgid}, %reply);	1534	$pl,
		1535	sub {
		1536	$pl->ext_msg ("reply-$reply", @_)
		1537	if $reply;
		1538	},
		1539	@payload
		1540	);
		1541	} else {
		1542	my @reply;
		1543
		1544	if (my $cb = $EXTCMD{$type}) {
		1545	@reply = $cb->($pl, @payload);
1069	}	1546	}
		1547
		1548	$pl->ext_msg ("reply-$reply", @reply)
		1549	if $reply;
1070	}	1550	}
		1551
1071	} else {	1552	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1553	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1554	}
1074		1555
1075	cf::override;	1556	cf::override;
1076	},	1557	},
1077	);	1558	);
1078		1559
		1560	# "readahead" all extensions
		1561	sub cache_extensions {
		1562	my $grp = IO::AIO::aio_group;
		1563
		1564	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1565	for (grep /\.ext$/, @{$_[0]}) {
		1566	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1567	}
		1568	};
		1569
		1570	$grp
		1571	}
		1572
		1573	sub _ext_cfg_reg($$$$) {
		1574	my ($rvar, $varname, $cfgname, $default) = @_;
		1575
		1576	$cfgname = lc $varname
		1577	unless length $cfgname;
		1578
		1579	$EXT_CFG{$cfgname} = [$rvar, $default];
		1580
		1581	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1582	}
		1583
1079	sub load_extensions {	1584	sub load_extensions {
		1585	info "loading extensions...";
		1586
		1587	%EXT_CFG = ();
		1588
1080	cf::sync_job {	1589	cf::sync_job {
1081	my %todo;	1590	my %todo;
1082		1591
1083	for my $path (<$LIBDIR/*.ext>) {	1592	for my $path (<$LIBDIR/*.ext>) {
1084	next unless -r $path;	1593	next unless -r $path;
…		…
1102		1611
1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1612	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1613	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105		1614
1106	$ext{source} =	1615	$ext{source} =
1107	"package $pkg; use strict; use utf8;\n"	1616	"package $pkg; use common::sense;\n"
1108	. "#line 1 \"$path\"\n{\n"	1617	. "#line 1 \"$path\"\n{\n"
1109	. $source	1618	. $source
1110	. "\n};\n1";	1619	. "\n};\n1";
1111		1620
1112	$todo{$base} = \%ext;	1621	$todo{$base} = \%ext;
1113	}	1622	}
1114		1623
		1624	my $pass = 0;
1115	my %done;	1625	my %done;
1116	while (%todo) {	1626	while (%todo) {
1117	my $progress;	1627	my $progress;
1118		1628
		1629	++$pass;
		1630
		1631	ext:
1119	while (my ($k, $v) = each %todo) {	1632	while (my ($k, $v) = each %todo) {
1120	for (split /,\s*/, $v->{meta}{depends}) {	1633	for (split /,\s*/, $v->{meta}{depends}) {
1121	goto skip	1634	next ext
1122	unless exists $done{$_};	1635	unless exists $done{$_};
1123	}	1636	}
1124		1637
1125	warn "... loading '$k' into '$v->{pkg}'\n";	1638	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1126		1639
1127	unless (eval $v->{source}) {	1640	my $source = $v->{source};
		1641
		1642	# support "CONF varname :confname = default" pseudo-statements
		1643	$source =~ s{
		1644	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1645	}{
		1646	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1647	}gmxe;
		1648
		1649	my $active = eval $source;
		1650
		1651	if (length $@) {
1128	my $msg = $@ ? "$v->{path}: $@\n"	1652	error "$v->{path}: $@\n";
1129	: "$v->{base}: extension inactive.\n";
1130		1653
		1654	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1131	if (exists $v->{meta}{mandatory}) {	1655	if exists $v->{meta}{mandatory};
1132	warn $msg;	1656
1133	warn "mandatory extension failed to load, exiting.\n";	1657	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1134	exit 1;	1658	delete $todo{$k};
1135	}	1659	} else {
1136		1660	$done{$k} = delete $todo{$k};
1137	warn $msg;	1661	push @EXTS, $v->{pkg};
		1662	$progress = 1;
		1663
		1664	info "$v->{base}: extension inactive.\n"
		1665	unless $active;
1138	}	1666	}
1139
1140	$done{$k} = delete $todo{$k};
1141	push @EXTS, $v->{pkg};
1142	$progress = 1;
1143	}	1667	}
1144		1668
1145	skip:	1669	unless ($progress) {
1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1670	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1147	unless $progress;	1671
		1672	while (my ($k, $v) = each %todo) {
		1673	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1674	if exists $v->{meta}{mandatory};
		1675	}
		1676
		1677	last;
		1678	}
1148	}	1679	}
1149	};	1680	};
1150	}	1681	}
1151		1682
1152	#############################################################################	1683	#############################################################################
1153		1684
1154	=back	1685	=back
1155		1686
1156	=head2 CORE EXTENSIONS	1687	=head2 CORE EXTENSIONS
1157		1688
1158	Functions and methods that extend core crossfire objects.	1689	Functions and methods that extend core deliantra objects.
1159		1690
1160	=cut	1691	=cut
1161		1692
1162	package cf::player;	1693	package cf::player;
1163		1694
1164	use Coro::AIO;	1695	use Coro::AIO;
1165		1696
1166	=head3 cf::player	1697	=head3 cf::player
1167		1698
1168	=over 4	1699	=over 4
		1700
		1701	=item cf::player::num_playing
		1702
		1703	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1704
		1705	=cut
		1706
		1707	sub num_playing {
		1708	scalar grep
		1709	$_->ob->map
		1710	&& !$_->hidden
		1711	&& !$_->ob->flag (cf::FLAG_WIZ),
		1712	cf::player::list
		1713	}
1169		1714
1170	=item cf::player::find $login	1715	=item cf::player::find $login
1171		1716
1172	Returns the given player object, loading it if necessary (might block).	1717	Returns the given player object, loading it if necessary (might block).
1173		1718
…		…
1192		1737
1193	sub exists($) {	1738	sub exists($) {
1194	my ($login) = @_;	1739	my ($login) = @_;
1195		1740
1196	$cf::PLAYER{$login}	1741	$cf::PLAYER{$login}
1197	or cf::sync_job { !aio_stat path $login }	1742	or !aio_stat path $login
1198	}	1743	}
1199		1744
1200	sub find($) {	1745	sub find($) {
1201	return $cf::PLAYER{$_[0]} || do {	1746	return $cf::PLAYER{$_[0]} || do {
1202	my $login = $_[0];	1747	my $login = $_[0];
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1754	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1755	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1756	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1757	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1758
1214	my $pl = load_pl path $login	1759	my $f = new_from_file cf::object::thawer path $login
1215	or return;	1760	or return;
		1761
		1762	my $pl = cf::player::load_pl $f
		1763	or return;
		1764
		1765	local $cf::PLAYER_LOADING{$login} = $pl;
		1766	$f->resolve_delayed_derefs;
1216	$cf::PLAYER{$login} = $pl	1767	$cf::PLAYER{$login} = $pl
1217	}	1768	}
1218	}	1769	}
1219	}	1770	}
		1771
		1772	cf::player->attach (
		1773	on_load => sub {
		1774	my ($pl, $path) = @_;
		1775
		1776	# restore slots saved in save, below
		1777	my $slots = delete $pl->{_slots};
		1778
		1779	$pl->ob->current_weapon ($slots->[0]);
		1780	$pl->combat_ob ($slots->[1]);
		1781	$pl->ranged_ob ($slots->[2]);
		1782	},
		1783	);
1220		1784
1221	sub save($) {	1785	sub save($) {
1222	my ($pl) = @_;	1786	my ($pl) = @_;
1223		1787
1224	return if $pl->{deny_save};	1788	return if $pl->{deny_save};
…		…
1229	return if $pl->{deny_save};	1793	return if $pl->{deny_save};
1230		1794
1231	aio_mkdir playerdir $pl, 0770;	1795	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1796	$pl->{last_save} = $cf::RUNTIME;
1233		1797
		1798	cf::get_slot 0.01;
		1799
		1800	# save slots, to be restored later
		1801	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1802
1234	$pl->save_pl ($path);	1803	$pl->save_pl ($path);
1235	Coro::cede;	1804	cf::cede_to_tick;
1236	}	1805	}
1237		1806
1238	sub new($) {	1807	sub new($) {
1239	my ($login) = @_;	1808	my ($login) = @_;
1240		1809
…		…
1246	$cf::PLAYER{$login} = $self;	1815	$cf::PLAYER{$login} = $self;
1247		1816
1248	$self	1817	$self
1249	}	1818	}
1250		1819
		1820	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1821
		1822	=cut
		1823
		1824	sub send_msg {
		1825	my $ns = shift->ns
		1826	or return;
		1827	$ns->send_msg (@_);
		1828	}
		1829
1251	=item $pl->quit_character	1830	=item $pl->quit_character
1252		1831
1253	Nukes the player without looking back. If logged in, the connection will	1832	Nukes the player without looking back. If logged in, the connection will
1254	be destroyed. May block for a long time.	1833	be destroyed. May block for a long time.
1255		1834
…		…
1259	my ($pl) = @_;	1838	my ($pl) = @_;
1260		1839
1261	my $name = $pl->ob->name;	1840	my $name = $pl->ob->name;
1262		1841
1263	$pl->{deny_save} = 1;	1842	$pl->{deny_save} = 1;
1264	$pl->password ("*"); # this should lock out the player until we nuked the dir	1843	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1265		1844
1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1845	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1267	$pl->deactivate;	1846	$pl->deactivate;
		1847
		1848	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1849	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1850	ext::highscore::check ($pl->ob);
		1851
1269	$pl->ns->destroy if $pl->ns;	1852	$pl->ns->destroy if $pl->ns;
1270		1853
1271	my $path = playerdir $pl;	1854	my $path = playerdir $pl;
1272	my $temp = "$path~$cf::RUNTIME~deleting~";	1855	my $temp = "$path~$cf::RUNTIME~deleting~";
1273	aio_rename $path, $temp;	1856	aio_rename $path, $temp;
…		…
1308	or return [];	1891	or return [];
1309		1892
1310	my @logins;	1893	my @logins;
1311		1894
1312	for my $login (@$dirs) {	1895	for my $login (@$dirs) {
		1896	my $path = path $login;
		1897
		1898	# a .pst is a dead give-away for a valid player
		1899	# if no pst file found, open and chekc for blocked users
		1900	if (aio_stat "$path.pst") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1901	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1902	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1903	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1904	}
1316		1905
1317	utf8::decode $login;	1906	utf8::decode $login;
1318	push @logins, $login;	1907	push @logins, $login;
1319	}	1908	}
1320		1909
1321	\@logins	1910	\@logins
1322	}	1911	}
1323		1912
1324	=item $player->maps	1913	=item $player->maps
		1914
		1915	=item cf::player::maps $login
1325		1916
1326	Returns an arrayref of map paths that are private for this	1917	Returns an arrayref of map paths that are private for this
1327	player. May block.	1918	player. May block.
1328		1919
1329	=cut	1920	=cut
…		…
1347	}	1938	}
1348		1939
1349	\@paths	1940	\@paths
1350	}	1941	}
1351		1942
1352	=item $player->ext_reply ($msgid, %msg)	1943	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1353		1944
1354	Sends an ext reply to the player.	1945	Expand deliantra pod fragments into protocol xml.
1355		1946
1356	=cut
1357
1358	sub ext_reply($$%) {
1359	my ($self, $id, %msg) = @_;
1360
1361	$msg{msgid} = $id;
1362
1363	$self->send ("ext " . cf::to_json \%msg);
1364	}
1365
1366	=item $player->ext_event ($type, %msg)	1947	=item $player->ext_msg ($type, @msg)
1367		1948
1368	Sends an ext event to the client.	1949	Sends an ext event to the client.
1369		1950
1370	=cut	1951	=cut
1371		1952
1372	sub ext_event($$%) {	1953	sub ext_msg($$@) {
1373	my ($self, $type, %msg) = @_;	1954	my ($self, $type, @msg) = @_;
1374		1955
1375	$self->ns->ext_event ($type, %msg);	1956	$self->ns->ext_msg ($type, @msg);
1376	}	1957	}
1377		1958
1378	=head3 cf::region	1959	=head3 cf::region
1379		1960
1380	=over 4	1961	=over 4
…		…
1390	=cut	1971	=cut
1391		1972
1392	sub find_by_path($) {	1973	sub find_by_path($) {
1393	my ($path) = @_;	1974	my ($path) = @_;
1394		1975
		1976	$path =~ s/^~[^\/]*//; # skip ~login
		1977
1395	my ($match, $specificity);	1978	my ($match, $specificity);
1396		1979
1397	for my $region (list) {	1980	for my $region (list) {
1398	if ($region->match && $path =~ $region->match) {	1981	if ($region->{match} && $path =~ $region->{match}) {
1399	($match, $specificity) = ($region, $region->specificity)	1982	($match, $specificity) = ($region, $region->specificity)
1400	if $region->specificity > $specificity;	1983	if $region->specificity > $specificity;
1401	}	1984	}
1402	}	1985	}
1403		1986
…		…
1424	our $MAX_RESET = 3600;	2007	our $MAX_RESET = 3600;
1425	our $DEFAULT_RESET = 3000;	2008	our $DEFAULT_RESET = 3000;
1426		2009
1427	sub generate_random_map {	2010	sub generate_random_map {
1428	my ($self, $rmp) = @_;	2011	my ($self, $rmp) = @_;
1429	# mit "rum" bekleckern, nicht	2012
		2013	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2014
1430	$self->_create_random_map (	2015	$self->_create_random_map ($rmp);
1431	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1432	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1433	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1434	$rmp->{exit_on_final_map},
1435	$rmp->{xsize}, $rmp->{ysize},
1436	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1437	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1438	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1439	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1440	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1441	(cf::region::find $rmp->{region}), $rmp->{custom}
1442	)
1443	}	2016	}
1444		2017
1445	=item cf::map->register ($regex, $prio)	2018	=item cf::map->register ($regex, $prio)
1446		2019
1447	Register a handler for the map path matching the given regex at the	2020	Register a handler for the map path matching the given regex at the
…		…
1452		2025
1453	sub register {	2026	sub register {
1454	my (undef, $regex, $prio) = @_;	2027	my (undef, $regex, $prio) = @_;
1455	my $pkg = caller;	2028	my $pkg = caller;
1456		2029
1457	no strict;
1458	push @{"$pkg\::ISA"}, __PACKAGE__;	2030	push @{"$pkg\::ISA"}, __PACKAGE__;
1459		2031
1460	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2032	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1461	}	2033	}
1462		2034
1463	# also paths starting with '/'	2035	# also paths starting with '/'
1464	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2036	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1465		2037
1466	sub thawer_merge {	2038	sub thawer_merge {
1467	my ($self, $merge) = @_;	2039	my ($self, $merge) = @_;
1468		2040
1469	# we have to keep some variables in memory intact	2041	# we have to keep some variables in memory intact
…		…
1474	}	2046	}
1475		2047
1476	sub normalise {	2048	sub normalise {
1477	my ($path, $base) = @_;	2049	my ($path, $base) = @_;
1478		2050
1479	$path = "$path"; # make sure its a string	2051	$path = "$path"; # make sure it's a string
1480		2052
1481	$path =~ s/\.map$//;	2053	$path =~ s/\.map$//;
1482		2054
1483	# map plan:	2055	# map plan:
1484	#	2056	#
…		…
1499	$base =~ s{[^/]+/?$}{};	2071	$base =~ s{[^/]+/?$}{};
1500	$path = "$base/$path";	2072	$path = "$base/$path";
1501	}	2073	}
1502		2074
1503	for ($path) {	2075	for ($path) {
1504	redo if s{//}{/};
1505	redo if s{/\.?/}{/};	2076	redo if s{/\.?/}{/};
1506	redo if s{/[^/]+/\.\./}{/};	2077	redo if s{/[^/]+/\.\./}{/};
1507	}	2078	}
1508		2079
1509	$path	2080	$path
…		…
1523	$self->init; # pass $1 etc.	2094	$self->init; # pass $1 etc.
1524	return $self;	2095	return $self;
1525	}	2096	}
1526	}	2097	}
1527		2098
1528	Carp::carp "unable to resolve path '$path' (base '$base').";	2099	Carp::cluck "unable to resolve path '$path' (base '$base')";
1529	()	2100	()
1530	}	2101	}
1531		2102
		2103	# may re-bless or do other evil things
1532	sub init {	2104	sub init {
1533	my ($self) = @_;	2105	my ($self) = @_;
1534		2106
1535	$self	2107	$self
1536	}	2108	}
…		…
1555		2127
1556	# the temporary/swap location	2128	# the temporary/swap location
1557	sub save_path {	2129	sub save_path {
1558	my ($self) = @_;	2130	my ($self) = @_;
1559		2131
1560	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2132	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1561	"$TMPDIR/$path.map"	2133	"$TMPDIR/$path.map"
1562	}	2134	}
1563		2135
1564	# the unique path, undef == no special unique path	2136	# the unique path, undef == no special unique path
1565	sub uniq_path {	2137	sub uniq_path {
1566	my ($self) = @_;	2138	my ($self) = @_;
1567		2139
1568	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2140	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1569	"$UNIQUEDIR/$path"	2141	"$UNIQUEDIR/$path"
1570	}
1571
1572	# and all this just because we cannot iterate over
1573	# all maps in C++...
1574	sub change_all_map_light {
1575	my ($change) = @_;
1576
1577	$_->change_map_light ($change)
1578	for grep $_->outdoor, values %cf::MAP;
1579	}	2142	}
1580		2143
1581	sub decay_objects {	2144	sub decay_objects {
1582	my ($self) = @_;	2145	my ($self) = @_;
1583		2146
…		…
1596		2159
1597	sub load_header_from($) {	2160	sub load_header_from($) {
1598	my ($self, $path) = @_;	2161	my ($self, $path) = @_;
1599		2162
1600	utf8::encode $path;	2163	utf8::encode $path;
1601	#aio_open $path, O_RDONLY, 0	2164	my $f = new_from_file cf::object::thawer $path
1602	# or return;
1603
1604	$self->_load_header ($path)
1605	or return;	2165	or return;
1606		2166
		2167	$self->_load_header ($f)
		2168	or return;
		2169
		2170	local $MAP_LOADING{$self->{path}} = $self;
		2171	$f->resolve_delayed_derefs;
		2172
1607	$self->{load_path} = $path;	2173	$self->{load_path} = $path;
1608		2174
1609	1	2175	1
1610	}	2176	}
1611		2177
		2178	# used to laod the header of an original map
1612	sub load_header_orig {	2179	sub load_header_orig {
1613	my ($self) = @_;	2180	my ($self) = @_;
1614		2181
1615	$self->load_header_from ($self->load_path)	2182	$self->load_header_from ($self->load_path)
1616	}	2183	}
1617		2184
		2185	# used to laod the header of an instantiated map
1618	sub load_header_temp {	2186	sub load_header_temp {
1619	my ($self) = @_;	2187	my ($self) = @_;
1620		2188
1621	$self->load_header_from ($self->save_path)	2189	$self->load_header_from ($self->save_path)
1622	}	2190	}
1623		2191
		2192	# called after loading the header from an instantiated map
1624	sub prepare_temp {	2193	sub prepare_temp {
1625	my ($self) = @_;	2194	my ($self) = @_;
1626		2195
1627	$self->last_access ((delete $self->{last_access})	2196	$self->last_access ((delete $self->{last_access})
1628	|| $cf::RUNTIME); #d#	2197	|| $cf::RUNTIME); #d#
1629	# safety	2198	# safety
1630	$self->{instantiate_time} = $cf::RUNTIME	2199	$self->{instantiate_time} = $cf::RUNTIME
1631	if $self->{instantiate_time} > $cf::RUNTIME;	2200	if $self->{instantiate_time} > $cf::RUNTIME;
1632	}	2201	}
1633		2202
		2203	# called after loading the header from an original map
1634	sub prepare_orig {	2204	sub prepare_orig {
1635	my ($self) = @_;	2205	my ($self) = @_;
1636		2206
1637	$self->{load_original} = 1;	2207	$self->{load_original} = 1;
1638	$self->{instantiate_time} = $cf::RUNTIME;	2208	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1662		2232
1663	sub find;	2233	sub find;
1664	sub find {	2234	sub find {
1665	my ($path, $origin) = @_;	2235	my ($path, $origin) = @_;
1666		2236
		2237	cf::cede_to_tick;
		2238
1667	$path = normalise $path, $origin && $origin->path;	2239	$path = normalise $path, $origin;
1668		2240
		2241	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1669	cf::lock_wait "map_find:$path";	2242	my $guard2 = cf::lock_acquire "map_find:$path";
1670		2243
1671	$cf::MAP{$path} || do {	2244	$cf::MAP{$path} || do {
1672	my $guard = cf::lock_acquire "map_find:$path";
1673	my $map = new_from_path cf::map $path	2245	my $map = new_from_path cf::map $path
1674	or return;	2246	or return;
1675		2247
1676	$map->{last_save} = $cf::RUNTIME;	2248	$map->{last_save} = $cf::RUNTIME;
1677		2249
…		…
1679	or return;	2251	or return;
1680		2252
1681	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2253	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1682	# doing this can freeze the server in a sync job, obviously	2254	# doing this can freeze the server in a sync job, obviously
1683	#$cf::WAIT_FOR_TICK->wait;	2255	#$cf::WAIT_FOR_TICK->wait;
		2256	undef $guard2;
		2257	undef $guard1;
1684	$map->reset;	2258	$map->reset;
1685	undef $guard;
1686	return find $path;	2259	return find $path;
1687	}	2260	}
1688		2261
1689	$cf::MAP{$path} = $map	2262	$cf::MAP{$path} = $map
1690	}	2263	}
1691	}	2264	}
1692		2265
1693	sub pre_load { }	2266	sub pre_load { }
1694	sub post_load { }	2267	#sub post_load { } # XS
1695		2268
1696	sub load {	2269	sub load {
1697	my ($self) = @_;	2270	my ($self) = @_;
1698		2271
1699	local $self->{deny_reset} = 1; # loading can take a long time	2272	local $self->{deny_reset} = 1; # loading can take a long time
1700		2273
1701	my $path = $self->{path};	2274	my $path = $self->{path};
1702		2275
1703	{	2276	{
1704	my $guard = cf::lock_acquire "map_load:$path";	2277	my $guard = cf::lock_acquire "map_data:$path";
1705		2278
		2279	return unless $self->valid;
1706	return if $self->in_memory != cf::MAP_SWAPPED;	2280	return unless $self->state == cf::MAP_SWAPPED;
1707
1708	$self->in_memory (cf::MAP_LOADING);
1709		2281
1710	$self->alloc;	2282	$self->alloc;
1711		2283
1712	$self->pre_load;	2284	$self->pre_load;
1713	Coro::cede;	2285	cf::cede_to_tick;
1714		2286
1715	$self->_load_objects ($self->{load_path}, 1)	2287	if (exists $self->{load_path}) {
		2288	my $f = new_from_file cf::object::thawer $self->{load_path};
		2289	$f->skip_block;
		2290	$self->_load_objects ($f)
1716	or return;	2291	or return;
1717		2292
1718	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2293	$self->post_load_original
1719	if delete $self->{load_original};	2294	if delete $self->{load_original};
1720		2295
1721	if (my $uniq = $self->uniq_path) {	2296	if (my $uniq = $self->uniq_path) {
1722	utf8::encode $uniq;	2297	utf8::encode $uniq;
1723	if (aio_open $uniq, O_RDONLY, 0) {	2298	unless (aio_stat $uniq) {
		2299	if (my $f = new_from_file cf::object::thawer $uniq) {
1724	$self->clear_unique_items;	2300	$self->clear_unique_items;
1725	$self->_load_objects ($uniq, 0);	2301	$self->_load_objects ($f);
		2302	$f->resolve_delayed_derefs;
		2303	}
		2304	}
1726	}	2305	}
1727	}
1728		2306
1729	Coro::cede;	2307	$f->resolve_delayed_derefs;
		2308	} else {
		2309	$self->post_load_original
		2310	if delete $self->{load_original};
		2311	}
		2312
		2313	$self->state (cf::MAP_INACTIVE);
		2314
		2315	cf::cede_to_tick;
1730	# now do the right thing for maps	2316	# now do the right thing for maps
1731	$self->link_multipart_objects;	2317	$self->link_multipart_objects;
1732	$self->difficulty ($self->estimate_difficulty)	2318	$self->difficulty ($self->estimate_difficulty)
1733	unless $self->difficulty;	2319	unless $self->difficulty;
1734	Coro::cede;	2320	cf::cede_to_tick;
1735		2321
1736	unless ($self->{deny_activate}) {	2322	unless ($self->{deny_activate}) {
1737	$self->decay_objects;	2323	$self->decay_objects;
1738	$self->fix_auto_apply;	2324	$self->fix_auto_apply;
1739	$self->update_buttons;	2325	$self->update_buttons;
1740	Coro::cede;	2326	cf::cede_to_tick;
1741	$self->set_darkness_map;	2327	#$self->activate; # no longer activate maps automatically
1742	Coro::cede;
1743	$self->activate;
1744	}	2328	}
1745		2329
1746	$self->in_memory (cf::MAP_IN_MEMORY);	2330	$self->{last_save} = $cf::RUNTIME;
		2331	$self->last_access ($cf::RUNTIME);
1747	}	2332	}
1748		2333
1749	$self->post_load;	2334	$self->post_load;
1750	}
1751		2335
		2336	1
		2337	}
		2338
		2339	# customize the map for a given player, i.e.
		2340	# return the _real_ map. used by e.g. per-player
		2341	# maps to change the path to ~playername/mappath
1752	sub customise_for {	2342	sub customise_for {
1753	my ($self, $ob) = @_;	2343	my ($self, $ob) = @_;
1754		2344
1755	return find "~" . $ob->name . "/" . $self->{path}	2345	return find "~" . $ob->name . "/" . $self->{path}
1756	if $self->per_player;	2346	if $self->per_player;
…		…
1759	# if $self->per_party;	2349	# if $self->per_party;
1760		2350
1761	$self	2351	$self
1762	}	2352	}
1763		2353
1764	# find and load all maps in the 3x3 area around a map
1765	sub load_diag {
1766	my ($map) = @_;
1767
1768	my @diag; # diagonal neighbours
1769
1770	for (0 .. 3) {
1771	my $neigh = $map->tile_path ($_)
1772	or next;
1773	$neigh = find $neigh, $map
1774	or next;
1775	$neigh->load;
1776
1777	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1778	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1779	}
1780
1781	for (@diag) {
1782	my $neigh = find @$_
1783	or next;
1784	$neigh->load;
1785	}
1786	}
1787
1788	sub find_sync {	2354	sub find_sync {
1789	my ($path, $origin) = @_;	2355	my ($path, $origin) = @_;
1790		2356
1791	cf::sync_job { find $path, $origin }	2357	# it's a bug to call this from the main context
		2358	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2359	if $Coro::current == $Coro::main;
		2360
		2361	find $path, $origin
1792	}	2362	}
1793		2363
1794	sub do_load_sync {	2364	sub do_load_sync {
1795	my ($map) = @_;	2365	my ($map) = @_;
1796		2366
1797	cf::sync_job { $map->load };	2367	# it's a bug to call this from the main context
		2368	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2369	if $Coro::current == $Coro::main;
		2370
		2371	$map->load;
1798	}	2372	}
1799		2373
1800	our %MAP_PREFETCH;	2374	our %MAP_PREFETCH;
1801	our $MAP_PREFETCHER = undef;	2375	our $MAP_PREFETCHER = undef;
1802		2376
1803	sub find_async {	2377	sub find_async {
1804	my ($path, $origin) = @_;	2378	my ($path, $origin, $load) = @_;
1805		2379
1806	$path = normalise $path, $origin && $origin->{path};	2380	$path = normalise $path, $origin;
1807		2381
1808	if (my $map = $cf::MAP{$path}) {	2382	if (my $map = $cf::MAP{$path}) {
1809	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2383	return $map if !$load || $map->linkable;
1810	}	2384	}
1811		2385
1812	undef $MAP_PREFETCH{$path};	2386	$MAP_PREFETCH{$path} |= $load;
		2387
1813	$MAP_PREFETCHER ||= cf::async {	2388	$MAP_PREFETCHER ||= cf::async {
		2389	$Coro::current->{desc} = "map prefetcher";
		2390
1814	while (%MAP_PREFETCH) {	2391	while (%MAP_PREFETCH) {
1815	for my $path (keys %MAP_PREFETCH) {	2392	while (my ($k, $v) = each %MAP_PREFETCH) {
1816	my $map = find $path	2393	if (my $map = find $k) {
1817	or next;
1818	$map->load;	2394	$map->load if $v;
		2395	}
1819		2396
1820	delete $MAP_PREFETCH{$path};	2397	delete $MAP_PREFETCH{$k};
1821	}	2398	}
1822	}	2399	}
1823	undef $MAP_PREFETCHER;	2400	undef $MAP_PREFETCHER;
1824	};	2401	};
1825	$MAP_PREFETCHER->prio (6);	2402	$MAP_PREFETCHER->prio (6);
1826		2403
1827	()	2404	()
1828	}	2405	}
1829		2406
		2407	# common code, used by both ->save and ->swapout
1830	sub save {	2408	sub _save {
1831	my ($self) = @_;	2409	my ($self) = @_;
1832
1833	my $lock = cf::lock_acquire "map_data:" . $self->path;
1834		2410
1835	$self->{last_save} = $cf::RUNTIME;	2411	$self->{last_save} = $cf::RUNTIME;
1836		2412
1837	return unless $self->dirty;	2413	return unless $self->dirty;
1838		2414
…		…
1844	return if $self->{deny_save};	2420	return if $self->{deny_save};
1845		2421
1846	local $self->{last_access} = $self->last_access;#d#	2422	local $self->{last_access} = $self->last_access;#d#
1847		2423
1848	cf::async {	2424	cf::async {
		2425	$Coro::current->{desc} = "map player save";
1849	$_->contr->save for $self->players;	2426	$_->contr->save for $self->players;
1850	};	2427	};
		2428
		2429	cf::get_slot 0.02;
1851		2430
1852	if ($uniq) {	2431	if ($uniq) {
1853	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2432	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1854	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2433	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1855	} else {	2434	} else {
1856	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2435	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1857	}	2436	}
1858	}	2437	}
1859		2438
		2439	sub save {
		2440	my ($self) = @_;
		2441
		2442	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2443
		2444	$self->_save;
		2445	}
		2446
1860	sub swap_out {	2447	sub swap_out {
1861	my ($self) = @_;	2448	my ($self) = @_;
1862		2449
1863	# save first because save cedes
1864	$self->save;
1865
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;	2450	my $lock = cf::lock_acquire "map_data:$self->{path}";
1867		2451
		2452	return if !$self->linkable;
		2453	return if $self->{deny_save};
1868	return if $self->players;	2454	return if $self->players;
1869	return if $self->in_memory != cf::MAP_IN_MEMORY;
1870	return if $self->{deny_save};
1871		2455
		2456	# first deactivate the map and "unlink" it from the core
		2457	$self->deactivate;
		2458	$_->clear_links_to ($self) for values %cf::MAP;
		2459	$self->state (cf::MAP_SWAPPED);
		2460
		2461	# then atomically save
		2462	$self->_save;
		2463
		2464	# then free the map
1872	$self->clear;	2465	$self->clear;
1873	$self->in_memory (cf::MAP_SWAPPED);
1874	}	2466	}
1875		2467
1876	sub reset_at {	2468	sub reset_at {
1877	my ($self) = @_;	2469	my ($self) = @_;
1878		2470
…		…
1896		2488
1897	my $lock = cf::lock_acquire "map_data:$self->{path}";	2489	my $lock = cf::lock_acquire "map_data:$self->{path}";
1898		2490
1899	return if $self->players;	2491	return if $self->players;
1900		2492
1901	warn "resetting map ", $self->path;	2493	cf::trace "resetting map ", $self->path, "\n";
1902		2494
1903	$self->in_memory (cf::MAP_SWAPPED);	2495	$self->state (cf::MAP_SWAPPED);
1904		2496
1905	# need to save uniques path	2497	# need to save uniques path
1906	unless ($self->{deny_save}) {	2498	unless ($self->{deny_save}) {
1907	my $uniq = $self->uniq_path; utf8::encode $uniq;	2499	my $uniq = $self->uniq_path; utf8::encode $uniq;
1908		2500
…		…
1910	if $uniq;	2502	if $uniq;
1911	}	2503	}
1912		2504
1913	delete $cf::MAP{$self->path};	2505	delete $cf::MAP{$self->path};
1914		2506
		2507	$self->deactivate;
		2508	$_->clear_links_to ($self) for values %cf::MAP;
1915	$self->clear;	2509	$self->clear;
1916
1917	$_->clear_links_to ($self) for values %cf::MAP;
1918		2510
1919	$self->unlink_save;	2511	$self->unlink_save;
1920	$self->destroy;	2512	$self->destroy;
1921	}	2513	}
1922		2514
1923	my $nuke_counter = "aaaa";	2515	my $nuke_counter = "aaaa";
1924		2516
1925	sub nuke {	2517	sub nuke {
1926	my ($self) = @_;	2518	my ($self) = @_;
1927		2519
		2520	{
		2521	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2522
1928	delete $cf::MAP{$self->path};	2523	delete $cf::MAP{$self->path};
1929		2524
1930	$self->unlink_save;	2525	$self->unlink_save;
1931		2526
1932	bless $self, "cf::map";	2527	bless $self, "cf::map::wrap";
1933	delete $self->{deny_reset};	2528	delete $self->{deny_reset};
1934	$self->{deny_save} = 1;	2529	$self->{deny_save} = 1;
1935	$self->reset_timeout (1);	2530	$self->reset_timeout (1);
1936	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2531	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1937		2532
1938	$cf::MAP{$self->path} = $self;	2533	$cf::MAP{$self->path} = $self;
		2534	}
1939		2535
1940	$self->reset; # polite request, might not happen	2536	$self->reset; # polite request, might not happen
1941	}	2537	}
1942		2538
1943	=item $maps = cf::map::tmp_maps	2539	=item $maps = cf::map::tmp_maps
…		…
1985		2581
1986	sub unique_maps() {	2582	sub unique_maps() {
1987	[	2583	[
1988	map {	2584	map {
1989	utf8::decode $_;	2585	utf8::decode $_;
1990	/\.map$/	2586	s/\.map$//; # TODO future compatibility hack
		2587	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2588	? ()
1991	? normalise $_	2589	: normalise $_
1992	: ()
1993	} @{ aio_readdir $UNIQUEDIR or [] }	2590	} @{ aio_readdir $UNIQUEDIR or [] }
1994	]	2591	]
1995	}	2592	}
1996		2593
1997	package cf;	2594	=item cf::map::static_maps
		2595
		2596	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2597	file in the shared directory excluding F</styles> and F</editor>). May
		2598	block.
		2599
		2600	=cut
		2601
		2602	sub static_maps() {
		2603	my @dirs = "";
		2604	my @maps;
		2605
		2606	while (@dirs) {
		2607	my $dir = shift @dirs;
		2608
		2609	next if $dir eq "/styles" || $dir eq "/editor";
		2610
		2611	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2612	or return;
		2613
		2614	for (@$files) {
		2615	s/\.map$// or next;
		2616	utf8::decode $_;
		2617	push @maps, "$dir/$_";
		2618	}
		2619
		2620	push @dirs, map "$dir/$_", @$dirs;
		2621	}
		2622
		2623	\@maps
		2624	}
1998		2625
1999	=back	2626	=back
2000		2627
2001	=head3 cf::object	2628	=head3 cf::object
2002		2629
…		…
2006		2633
2007	=over 4	2634	=over 4
2008		2635
2009	=item $ob->inv_recursive	2636	=item $ob->inv_recursive
2010		2637
2011	Returns the inventory of the object _and_ their inventories, recursively.	2638	Returns the inventory of the object I<and> their inventories, recursively,
		2639	but I<not> the object itself.
2012		2640
2013	=cut	2641	=cut
2014		2642
2015	sub inv_recursive_;	2643	sub inv_recursive_;
2016	sub inv_recursive_ {	2644	sub inv_recursive_ {
…		…
2019		2647
2020	sub inv_recursive {	2648	sub inv_recursive {
2021	inv_recursive_ inv $_[0]	2649	inv_recursive_ inv $_[0]
2022	}	2650	}
2023		2651
		2652	=item $ref = $ob->ref
		2653
		2654	Creates and returns a persistent reference to an object that can be stored as a string.
		2655
		2656	=item $ob = cf::object::deref ($refstring)
		2657
		2658	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2659	even if the object actually exists. May block.
		2660
		2661	=cut
		2662
		2663	sub deref {
		2664	my ($ref) = @_;
		2665
		2666	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2667	my ($uuid, $name) = ($1, $2);
		2668	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2669	or return;
		2670	$pl->ob->uuid eq $uuid
		2671	or return;
		2672
		2673	$pl->ob
		2674	} else {
		2675	warn "$ref: cannot resolve object reference\n";
		2676	undef
		2677	}
		2678	}
		2679
2024	package cf;	2680	package cf;
2025		2681
2026	=back	2682	=back
2027		2683
2028	=head3 cf::object::player	2684	=head3 cf::object::player
…		…
2034	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2690	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2035	can be C<undef>. Does the right thing when the player is currently in a	2691	can be C<undef>. Does the right thing when the player is currently in a
2036	dialogue with the given NPC character.	2692	dialogue with the given NPC character.
2037		2693
2038	=cut	2694	=cut
		2695
		2696	our $SAY_CHANNEL = {
		2697	id => "say",
		2698	title => "Map",
		2699	reply => "say ",
		2700	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2701	};
		2702
		2703	our $CHAT_CHANNEL = {
		2704	id => "chat",
		2705	title => "Chat",
		2706	reply => "chat ",
		2707	tooltip => "Player chat and shouts, global to the server.",
		2708	};
2039		2709
2040	# rough implementation of a future "reply" method that works	2710	# rough implementation of a future "reply" method that works
2041	# with dialog boxes.	2711	# with dialog boxes.
2042	#TODO: the first argument must go, split into a $npc->reply_to ( method	2712	#TODO: the first argument must go, split into a $npc->reply_to ( method
2043	sub cf::object::player::reply($$$;$) {	2713	sub cf::object::player::reply($$$;$) {
…		…
2050		2720
2051	} else {	2721	} else {
2052	my $pl = $self->contr;	2722	my $pl = $self->contr;
2053		2723
2054	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2724	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2055	my $diag = $pl->{npc_dialog};	2725	my $dialog = $pl->{npc_dialog};
2056	$diag->{pl}->ext_reply (	2726	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2057	$diag->{id}, msgtype => "reply", msg => $msg, add_topics => []
2058	);
2059		2727
2060	} else {	2728	} else {
2061	$msg = $npc->name . " says: $msg" if $npc;	2729	$msg = $npc->name . " says: $msg" if $npc;
2062	$self->message ($msg, $flags);	2730	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2063	}	2731	}
2064	}	2732	}
		2733	}
		2734
		2735	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2736
		2737	=cut
		2738
		2739	sub cf::object::send_msg {
		2740	my $pl = shift->contr
		2741	or return;
		2742	$pl->send_msg (@_);
2065	}	2743	}
2066		2744
2067	=item $player_object->may ("access")	2745	=item $player_object->may ("access")
2068		2746
2069	Returns wether the given player is authorized to access resource "access"	2747	Returns wether the given player is authorized to access resource "access"
…		…
2082		2760
2083	=item $player_object->enter_link	2761	=item $player_object->enter_link
2084		2762
2085	Freezes the player and moves him/her to a special map (C<{link}>).	2763	Freezes the player and moves him/her to a special map (C<{link}>).
2086		2764
2087	The player should be reasonably safe there for short amounts of time. You	2765	The player should be reasonably safe there for short amounts of time (e.g.
2088	I<MUST> call C<leave_link> as soon as possible, though.	2766	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2767	though, as the player cannot control the character while it is on the link
		2768	map.
2089		2769
2090	Will never block.	2770	Will never block.
2091		2771
2092	=item $player_object->leave_link ($map, $x, $y)	2772	=item $player_object->leave_link ($map, $x, $y)
2093		2773
…		…
2113	sub cf::object::player::enter_link {	2793	sub cf::object::player::enter_link {
2114	my ($self) = @_;	2794	my ($self) = @_;
2115		2795
2116	$self->deactivate_recursive;	2796	$self->deactivate_recursive;
2117		2797
		2798	++$self->{_link_recursion};
		2799
2118	return if UNIVERSAL::isa $self->map, "ext::map_link";	2800	return if UNIVERSAL::isa $self->map, "ext::map_link";
2119		2801
2120	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2802	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2121	if $self->map && $self->map->{path} ne "{link}";	2803	if $self->map && $self->map->{path} ne "{link}";
2122		2804
2123	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2805	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2124	}	2806	}
2125		2807
2126	sub cf::object::player::leave_link {	2808	sub cf::object::player::leave_link {
2127	my ($self, $map, $x, $y) = @_;	2809	my ($self, $map, $x, $y) = @_;
2128		2810
…		…
2145	($x, $y) = (-1, -1)	2827	($x, $y) = (-1, -1)
2146	unless (defined $x) && (defined $y);	2828	unless (defined $x) && (defined $y);
2147		2829
2148	# use -1 or undef as default coordinates, not 0, 0	2830	# use -1 or undef as default coordinates, not 0, 0
2149	($x, $y) = ($map->enter_x, $map->enter_y)	2831	($x, $y) = ($map->enter_x, $map->enter_y)
2150	if $x <=0 && $y <= 0;	2832	if $x <= 0 && $y <= 0;
2151		2833
2152	$map->load;	2834	$map->load;
2153	$map->load_diag;
2154		2835
2155	return unless $self->contr->active;	2836	return unless $self->contr->active;
2156	$self->activate_recursive;
2157		2837
2158	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2838	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2159	$self->enter_map ($map, $x, $y);	2839	if ($self->enter_map ($map, $x, $y)) {
2160	}	2840	# entering was successful
		2841	delete $self->{_link_recursion};
		2842	# only activate afterwards, to support waiting in hooks
		2843	$self->activate_recursive;
		2844	}
2161		2845
		2846	}
		2847
2162	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2848	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2163		2849
2164	Moves the player to the given map-path and coordinates by first freezing	2850	Moves the player to the given map-path and coordinates by first freezing
2165	her, loading and preparing them map, calling the provided $check callback	2851	her, loading and preparing them map, calling the provided $check callback
2166	that has to return the map if sucecssful, and then unfreezes the player on	2852	that has to return the map if sucecssful, and then unfreezes the player on
2167	the new (success) or old (failed) map position.	2853	the new (success) or old (failed) map position. In either case, $done will
		2854	be called at the end of this process.
		2855
		2856	Note that $check will be called with a potentially non-loaded map, so if
		2857	it needs a loaded map it has to call C<< ->load >>.
2168		2858
2169	=cut	2859	=cut
2170		2860
2171	our $GOTOGEN;	2861	our $GOTOGEN;
2172		2862
2173	sub cf::object::player::goto {	2863	sub cf::object::player::goto {
2174	my ($self, $path, $x, $y, $check) = @_;	2864	my ($self, $path, $x, $y, $check, $done) = @_;
		2865
		2866	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2867	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2868	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2869	($path, $x, $y) = @$EMERGENCY_POSITION;
		2870	}
2175		2871
2176	# do generation counting so two concurrent goto's will be executed in-order	2872	# do generation counting so two concurrent goto's will be executed in-order
2177	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2873	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2178		2874
2179	$self->enter_link;	2875	$self->enter_link;
2180		2876
2181	(async {	2877	(async {
		2878	$Coro::current->{desc} = "player::goto $path $x $y";
		2879
		2880	# *tag paths override both path and x|y
		2881	if ($path =~ /^\*(.*)$/) {
		2882	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2883	my $ob = $obs[rand @obs];
		2884
		2885	# see if we actually can go there
		2886	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2887	$ob = $obs[rand @obs];
		2888	} else {
		2889	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2890	}
		2891	# else put us there anyways for now #d#
		2892
		2893	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2894	} else {
		2895	($path, $x, $y) = (undef, undef, undef);
		2896	}
		2897	}
		2898
2182	my $map = eval {	2899	my $map = eval {
2183	my $map = cf::map::find $path;	2900	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2184		2901
2185	if ($map) {	2902	if ($map) {
2186	$map = $map->customise_for ($self);	2903	$map = $map->customise_for ($self);
2187	$map = $check->($map) if $check && $map;	2904	$map = $check->($map, $x, $y, $self) if $check && $map;
2188	} else {	2905	} else {
2189	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2906	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2190	}	2907	}
2191		2908
2192	$map	2909	$map
2193	};	2910	};
2194		2911
…		…
2199		2916
2200	if ($gen == $self->{_goto_generation}) {	2917	if ($gen == $self->{_goto_generation}) {
2201	delete $self->{_goto_generation};	2918	delete $self->{_goto_generation};
2202	$self->leave_link ($map, $x, $y);	2919	$self->leave_link ($map, $x, $y);
2203	}	2920	}
		2921
		2922	$done->($self) if $done;
2204	})->prio (1);	2923	})->prio (1);
2205	}	2924	}
2206		2925
2207	=item $player_object->enter_exit ($exit_object)	2926	=item $player_object->enter_exit ($exit_object)
2208		2927
…		…
2228	}	2947	}
2229		2948
2230	sub prepare_random_map {	2949	sub prepare_random_map {
2231	my ($exit) = @_;	2950	my ($exit) = @_;
2232		2951
2233	my $guard = cf::lock_acquire "exit_prepare:$exit";
2234
2235	# all this does is basically replace the /! path by	2952	# all this does is basically replace the /! path by
2236	# a new random map path (?random/...) with a seed	2953	# a new random map path (?random/...) with a seed
2237	# that depends on the exit object	2954	# that depends on the exit object
2238		2955
2239	my $rmp = parse_random_map_params $exit->msg;	2956	my $rmp = parse_random_map_params $exit->msg;
…		…
2241	if ($exit->map) {	2958	if ($exit->map) {
2242	$rmp->{region} = $exit->region->name;	2959	$rmp->{region} = $exit->region->name;
2243	$rmp->{origin_map} = $exit->map->path;	2960	$rmp->{origin_map} = $exit->map->path;
2244	$rmp->{origin_x} = $exit->x;	2961	$rmp->{origin_x} = $exit->x;
2245	$rmp->{origin_y} = $exit->y;	2962	$rmp->{origin_y} = $exit->y;
		2963
		2964	$exit->map->touch;
2246	}	2965	}
2247		2966
2248	$rmp->{random_seed} ||= $exit->random_seed;	2967	$rmp->{random_seed} ||= $exit->random_seed;
2249		2968
2250	my $data = cf::to_json $rmp;	2969	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2251	my $md5 = Digest::MD5::md5_hex $data;	2970	my $md5 = Digest::MD5::md5_hex $data;
2252	my $meta = "$RANDOMDIR/$md5.meta";	2971	my $meta = "$RANDOMDIR/$md5.meta";
2253		2972
2254	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2973	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2255	aio_write $fh, 0, (length $data), $data, 0;	2974	aio_write $fh, 0, (length $data), $data, 0;
2256	undef $fh;	2975	undef $fh;
2257	aio_rename "$meta~", $meta;	2976	aio_rename "$meta~", $meta;
2258		2977
		2978	my $slaying = "?random/$md5";
		2979
		2980	if ($exit->valid) {
2259	$exit->slaying ("?random/$md5");	2981	$exit->slaying ("?random/$md5");
2260	$exit->msg (undef);	2982	$exit->msg (undef);
		2983	}
2261	}	2984	}
2262	}	2985	}
2263		2986
2264	sub cf::object::player::enter_exit {	2987	sub cf::object::player::enter_exit {
2265	my ($self, $exit) = @_;	2988	my ($self, $exit) = @_;
2266		2989
2267	return unless $self->type == cf::PLAYER;	2990	return unless $self->type == cf::PLAYER;
2268		2991
2269	if ($exit->slaying eq "/!") {
2270	#TODO: this should de-fi-ni-te-ly not be a sync-job
2271	# the problem is that $exit might not survive long enough
2272	# so it needs to be done right now, right here
2273	cf::sync_job { prepare_random_map $exit };
2274	}
2275
2276	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2277	my $hp = $exit->stats->hp;
2278	my $sp = $exit->stats->sp;
2279
2280	$self->enter_link;	2992	$self->enter_link;
2281		2993
2282	(async {	2994	(async {
2283	$self->deactivate_recursive; # just to be sure	2995	$Coro::current->{desc} = "enter_exit";
		2996
2284	unless (eval {	2997	unless (eval {
		2998	$self->deactivate_recursive; # just to be sure
		2999
		3000	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3001	my $x = $exit->stats->hp;
		3002	my $y = $exit->stats->sp;
		3003
		3004	# special map handling
		3005	my $slaying = $exit->slaying;
		3006
		3007	# special map handling
		3008	if ($slaying eq "/!") {
		3009	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3010
		3011	prepare_random_map $exit
		3012	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3013
		3014	$map = $exit->slaying;
		3015
		3016	} elsif ($slaying eq '!up') {
		3017	$map = $exit->map->tile_path (cf::TILE_UP);
		3018	$x = $exit->x;
		3019	$y = $exit->y;
		3020
		3021	} elsif ($slaying eq '!down') {
		3022	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3023	$x = $exit->x;
		3024	$y = $exit->y;
		3025	}
		3026
2285	$self->goto ($slaying, $hp, $sp);	3027	$self->goto ($map, $x, $y);
2286		3028
		3029	# if exit is damned, update players death & WoR home-position
		3030	$self->contr->savebed ($map, $x, $y)
		3031	if $exit->flag (cf::FLAG_DAMNED);
		3032
2287	1;	3033	1
2288	}) {	3034	}) {
2289	$self->message ("Something went wrong deep within the crossfire server. "	3035	$self->message ("Something went wrong deep within the deliantra server. "
2290	. "I'll try to bring you back to the map you were before. "	3036	. "I'll try to bring you back to the map you were before. "
2291	. "Please report this to the dungeon master!",	3037	. "Please report this to the dungeon master!",
2292	cf::NDI_UNIQUE | cf::NDI_RED);	3038	cf::NDI_UNIQUE | cf::NDI_RED);
2293		3039
2294	warn "ERROR in enter_exit: $@";	3040	error "ERROR in enter_exit: $@";
2295	$self->leave_link;	3041	$self->leave_link;
2296	}	3042	}
2297	})->prio (1);	3043	})->prio (1);
2298	}	3044	}
2299		3045
…		…
2313		3059
2314	utf8::encode $text;	3060	utf8::encode $text;
2315	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3061	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2316	}	3062	}
2317		3063
		3064	=item $client->send_big_packet ($pkt)
		3065
		3066	Like C<send_packet>, but tries to compress large packets, and fragments
		3067	them as required.
		3068
		3069	=cut
		3070
		3071	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3072
		3073	sub cf::client::send_big_packet {
		3074	my ($self, $pkt) = @_;
		3075
		3076	# try lzf for large packets
		3077	$pkt = "lzf " . Compress::LZF::compress $pkt
		3078	if 1024 <= length $pkt and $self->{can_lzf};
		3079
		3080	# split very large packets
		3081	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3082	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3083	$pkt = "frag";
		3084	}
		3085
		3086	$self->send_packet ($pkt);
		3087	}
		3088
		3089	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3090
		3091	Send a drawinfo or msg packet to the client, formatting the msg for the
		3092	client if neccessary. C<$type> should be a string identifying the type of
		3093	the message, with C<log> being the default. If C<$color> is negative, suppress
		3094	the message unless the client supports the msg packet.
		3095
		3096	=cut
		3097
		3098	# non-persistent channels (usually the info channel)
		3099	our %CHANNEL = (
		3100	"c/motd" => {
		3101	id => "infobox",
		3102	title => "MOTD",
		3103	reply => undef,
		3104	tooltip => "The message of the day",
		3105	},
		3106	"c/identify" => {
		3107	id => "infobox",
		3108	title => "Identify",
		3109	reply => undef,
		3110	tooltip => "Items recently identified",
		3111	},
		3112	"c/examine" => {
		3113	id => "infobox",
		3114	title => "Examine",
		3115	reply => undef,
		3116	tooltip => "Signs and other items you examined",
		3117	},
		3118	"c/shopinfo" => {
		3119	id => "infobox",
		3120	title => "Shop Info",
		3121	reply => undef,
		3122	tooltip => "What your bargaining skill tells you about the shop",
		3123	},
		3124	"c/book" => {
		3125	id => "infobox",
		3126	title => "Book",
		3127	reply => undef,
		3128	tooltip => "The contents of a note or book",
		3129	},
		3130	"c/lookat" => {
		3131	id => "infobox",
		3132	title => "Look",
		3133	reply => undef,
		3134	tooltip => "What you saw there",
		3135	},
		3136	"c/who" => {
		3137	id => "infobox",
		3138	title => "Players",
		3139	reply => undef,
		3140	tooltip => "Shows players who are currently online",
		3141	},
		3142	"c/body" => {
		3143	id => "infobox",
		3144	title => "Body Parts",
		3145	reply => undef,
		3146	tooltip => "Shows which body parts you posess and are available",
		3147	},
		3148	"c/statistics" => {
		3149	id => "infobox",
		3150	title => "Statistics",
		3151	reply => undef,
		3152	tooltip => "Shows your primary statistics",
		3153	},
		3154	"c/skills" => {
		3155	id => "infobox",
		3156	title => "Skills",
		3157	reply => undef,
		3158	tooltip => "Shows your experience per skill and item power",
		3159	},
		3160	"c/shopitems" => {
		3161	id => "infobox",
		3162	title => "Shop Items",
		3163	reply => undef,
		3164	tooltip => "Shows the items currently for sale in this shop",
		3165	},
		3166	"c/resistances" => {
		3167	id => "infobox",
		3168	title => "Resistances",
		3169	reply => undef,
		3170	tooltip => "Shows your resistances",
		3171	},
		3172	"c/pets" => {
		3173	id => "infobox",
		3174	title => "Pets",
		3175	reply => undef,
		3176	tooltip => "Shows information abotu your pets/a specific pet",
		3177	},
		3178	"c/perceiveself" => {
		3179	id => "infobox",
		3180	title => "Perceive Self",
		3181	reply => undef,
		3182	tooltip => "You gained detailed knowledge about yourself",
		3183	},
		3184	"c/uptime" => {
		3185	id => "infobox",
		3186	title => "Uptime",
		3187	reply => undef,
		3188	tooltip => "How long the server has been running since last restart",
		3189	},
		3190	"c/mapinfo" => {
		3191	id => "infobox",
		3192	title => "Map Info",
		3193	reply => undef,
		3194	tooltip => "Information related to the maps",
		3195	},
		3196	"c/party" => {
		3197	id => "party",
		3198	title => "Party",
		3199	reply => "gsay ",
		3200	tooltip => "Messages and chat related to your party",
		3201	},
		3202	"c/death" => {
		3203	id => "death",
		3204	title => "Death",
		3205	reply => undef,
		3206	tooltip => "Reason for and more info about your most recent death",
		3207	},
		3208	"c/say" => $SAY_CHANNEL,
		3209	"c/chat" => $CHAT_CHANNEL,
		3210	);
		3211
		3212	sub cf::client::send_msg {
		3213	my ($self, $channel, $msg, $color, @extra) = @_;
		3214
		3215	$msg = $self->pl->expand_cfpod ($msg)
		3216	unless $color & cf::NDI_VERBATIM;
		3217
		3218	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3219
		3220	# check predefined channels, for the benefit of C
		3221	if ($CHANNEL{$channel}) {
		3222	$channel = $CHANNEL{$channel};
		3223
		3224	$self->ext_msg (channel_info => $channel);
		3225	$channel = $channel->{id};
		3226
		3227	} elsif (ref $channel) {
		3228	# send meta info to client, if not yet sent
		3229	unless (exists $self->{channel}{$channel->{id}}) {
		3230	$self->{channel}{$channel->{id}} = $channel;
		3231	$self->ext_msg (channel_info => $channel);
		3232	}
		3233
		3234	$channel = $channel->{id};
		3235	}
		3236
		3237	return unless @extra || length $msg;
		3238
		3239	# default colour, mask it out
		3240	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3241	if $color & cf::NDI_DEF;
		3242
		3243	my $pkt = "msg "
		3244	. $self->{json_coder}->encode (
		3245	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3246	);
		3247
		3248	$self->send_big_packet ($pkt);
		3249	}
		3250
2318	=item $client->ext_event ($type, %msg)	3251	=item $client->ext_msg ($type, @msg)
2319		3252
2320	Sends an exti event to the client.	3253	Sends an ext event to the client.
2321		3254
2322	=cut	3255	=cut
2323		3256
2324	sub cf::client::ext_event($$%) {	3257	sub cf::client::ext_msg($$@) {
2325	my ($self, $type, %msg) = @_;	3258	my ($self, $type, @msg) = @_;
2326		3259
2327	$msg{msgtype} = "event_$type";	3260	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2328	$self->send_packet ("ext " . cf::to_json \%msg);
2329	}	3261	}
2330		3262
2331	=item $success = $client->query ($flags, "text", \&cb)	3263	=item $success = $client->query ($flags, "text", \&cb)
2332		3264
2333	Queues a query to the client, calling the given callback with	3265	Queues a query to the client, calling the given callback with
2334	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3266	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2335	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3267	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2336		3268
2337	Queries can fail, so check the return code. Or don't, as queries will become	3269	Queries can fail, so check the return code. Or don't, as queries will
2338	reliable at some point in the future.	3270	become reliable at some point in the future.
2339		3271
2340	=cut	3272	=cut
2341		3273
2342	sub cf::client::query {	3274	sub cf::client::query {
2343	my ($self, $flags, $text, $cb) = @_;	3275	my ($self, $flags, $text, $cb) = @_;
…		…
2351	utf8::encode $text;	3283	utf8::encode $text;
2352	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3284	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2353		3285
2354	$self->send_packet ($self->{query_queue}[0][0])	3286	$self->send_packet ($self->{query_queue}[0][0])
2355	if @{ $self->{query_queue} } == 1;	3287	if @{ $self->{query_queue} } == 1;
		3288
		3289	1
2356	}	3290	}
2357		3291
2358	cf::client->attach (	3292	cf::client->attach (
		3293	on_connect => sub {
		3294	my ($ns) = @_;
		3295
		3296	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3297	},
2359	on_reply => sub {	3298	on_reply => sub {
2360	my ($ns, $msg) = @_;	3299	my ($ns, $msg) = @_;
2361		3300
2362	# this weird shuffling is so that direct followup queries	3301	# this weird shuffling is so that direct followup queries
2363	# get handled first	3302	# get handled first
…		…
2375	} else {	3314	} else {
2376	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3315	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2377	}	3316	}
2378	}	3317	}
2379	},	3318	},
		3319	on_exticmd => sub {
		3320	my ($ns, $buf) = @_;
		3321
		3322	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3323
		3324	if (ref $msg) {
		3325	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3326
		3327	if (my $cb = $EXTIACMD{$type}) {
		3328	$cb->(
		3329	$ns,
		3330	sub {
		3331	$ns->ext_msg ("reply-$reply", @_)
		3332	if $reply;
		3333	},
		3334	@payload
		3335	);
		3336	} else {
		3337	my @reply;
		3338
		3339	if (my $cb = $EXTICMD{$type}) {
		3340	@reply = $cb->($ns, @payload);
		3341	}
		3342
		3343	$ns->ext_msg ("reply-$reply", @reply)
		3344	if $reply;
		3345	}
		3346	} else {
		3347	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3348	}
		3349
		3350	cf::override;
		3351	},
2380	);	3352	);
2381		3353
2382	=item $client->async (\&cb)	3354	=item $client->async (\&cb)
2383		3355
2384	Create a new coroutine, running the specified callback. The coroutine will	3356	Create a new coroutine, running the specified callback. The coroutine will
…		…
2400		3372
2401	$coro	3373	$coro
2402	}	3374	}
2403		3375
2404	cf::client->attach (	3376	cf::client->attach (
2405	on_destroy => sub {	3377	on_client_destroy => sub {
2406	my ($ns) = @_;	3378	my ($ns) = @_;
2407		3379
2408	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3380	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2409	},	3381	},
2410	);	3382	);
…		…
2425	our $safe = new Safe "safe";	3397	our $safe = new Safe "safe";
2426	our $safe_hole = new Safe::Hole;	3398	our $safe_hole = new Safe::Hole;
2427		3399
2428	$SIG{FPE} = 'IGNORE';	3400	$SIG{FPE} = 'IGNORE';
2429		3401
2430	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3402	$safe->permit_only (Opcode::opset qw(
		3403	:base_core :base_mem :base_orig :base_math :base_loop
		3404	grepstart grepwhile mapstart mapwhile
		3405	sort time
		3406	));
2431		3407
2432	# here we export the classes and methods available to script code	3408	# here we export the classes and methods available to script code
2433		3409
2434	=pod	3410	=pod
2435		3411
2436	The following functions and methods are available within a safe environment:	3412	The following functions and methods are available within a safe environment:
2437		3413
2438	cf::object contr pay_amount pay_player map	3414	cf::object
		3415	contr pay_amount pay_player map x y force_find force_add destroy
		3416	insert remove name archname title slaying race decrease split
		3417	value
		3418
2439	cf::object::player player	3419	cf::object::player
2440	cf::player peaceful	3420	player
2441	cf::map trigger	3421
		3422	cf::player
		3423	peaceful
		3424
		3425	cf::map
		3426	trigger
2442		3427
2443	=cut	3428	=cut
2444		3429
2445	for (	3430	for (
2446	["cf::object" => qw(contr pay_amount pay_player map)],	3431	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3432	insert remove inv nrof name archname title slaying race
		3433	decrease split destroy change_exp value msg lore send_msg)],
2447	["cf::object::player" => qw(player)],	3434	["cf::object::player" => qw(player)],
2448	["cf::player" => qw(peaceful)],	3435	["cf::player" => qw(peaceful send_msg)],
2449	["cf::map" => qw(trigger)],	3436	["cf::map" => qw(trigger)],
2450	) {	3437	) {
2451	no strict 'refs';
2452	my ($pkg, @funs) = @$_;	3438	my ($pkg, @funs) = @$_;
2453	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3439	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2454	for @funs;	3440	for @funs;
2455	}	3441	}
2456		3442
…		…
2471		3457
2472	my $qcode = $code;	3458	my $qcode = $code;
2473	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3459	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2474	$qcode =~ s/\n/\\n/g;	3460	$qcode =~ s/\n/\\n/g;
2475		3461
		3462	%vars = (_dummy => 0) unless %vars;
		3463
		3464	my @res;
2476	local $_;	3465	local $_;
2477	local @safe::cf::_safe_eval_args = values %vars;
2478		3466
2479	my $eval =	3467	my $eval =
2480	"do {\n"	3468	"do {\n"
2481	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3469	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2482	. "#line 0 \"{$qcode}\"\n"	3470	. "#line 0 \"{$qcode}\"\n"
2483	. $code	3471	. $code
2484	. "\n}"	3472	. "\n}"
2485	;	3473	;
2486		3474
		3475	if ($CFG{safe_eval}) {
2487	sub_generation_inc;	3476	sub_generation_inc;
		3477	local @safe::cf::_safe_eval_args = values %vars;
2488	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3478	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2489	sub_generation_inc;	3479	sub_generation_inc;
		3480	} else {
		3481	local @cf::_safe_eval_args = values %vars;
		3482	@res = wantarray ? eval eval : scalar eval $eval;
		3483	}
2490		3484
2491	if ($@) {	3485	if ($@) {
2492	warn "$@";	3486	warn "$@",
2493	warn "while executing safe code '$code'\n";	3487	"while executing safe code '$code'\n",
2494	warn "with arguments " . (join " ", %vars) . "\n";	3488	"with arguments " . (join " ", %vars) . "\n";
2495	}	3489	}
2496		3490
2497	wantarray ? @res : $res[0]	3491	wantarray ? @res : $res[0]
2498	}	3492	}
2499		3493
…		…
2513	=cut	3507	=cut
2514		3508
2515	sub register_script_function {	3509	sub register_script_function {
2516	my ($fun, $cb) = @_;	3510	my ($fun, $cb) = @_;
2517		3511
2518	no strict 'refs';	3512	$fun = "safe::$fun" if $CFG{safe_eval};
2519	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3513	*$fun = $safe_hole->wrap ($cb);
2520	}	3514	}
2521		3515
2522	=back	3516	=back
2523		3517
2524	=cut	3518	=cut
2525		3519
2526	#############################################################################	3520	#############################################################################
2527	# the server's init and main functions	3521	# the server's init and main functions
2528		3522
		3523	our %FACEHASH; # hash => idx, #d# HACK for http server
		3524
		3525	# internal api, not fianlised
		3526	sub set_face {
		3527	my ($name, $type, $data) = @_;
		3528
		3529	my $idx = cf::face::find $name;
		3530
		3531	if ($idx) {
		3532	delete $FACEHASH{cf::face::get_chksum $idx};
		3533	} else {
		3534	$idx = cf::face::alloc $name;
		3535	}
		3536
		3537	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3538
		3539	cf::face::set_type $idx, $type;
		3540	cf::face::set_data $idx, 0, $data, $hash;
		3541	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3542	$FACEHASH{$hash} = $idx;#d#
		3543
		3544	$idx
		3545	}
		3546
2529	sub load_facedata($) {	3547	sub load_facedata($) {
2530	my ($path) = @_;	3548	my ($path) = @_;
2531		3549
		3550	# HACK to clear player env face cache, we need some signal framework
		3551	# for this (global event?)
		3552	%ext::player_env::MUSIC_FACE_CACHE = ();
		3553
		3554	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3555
2532	warn "loading facedata from $path\n";	3556	trace "loading facedata from $path\n";
2533		3557
2534	my $facedata;	3558	my $facedata = decode_storable load_file $path;
2535	0 < aio_load $path, $facedata
2536	or die "$path: $!";
2537
2538	$facedata = Coro::Storable::thaw $facedata;
2539		3559
2540	$facedata->{version} == 2	3560	$facedata->{version} == 2
2541	or cf::cleanup "$path: version mismatch, cannot proceed.";	3561	or cf::cleanup "$path: version mismatch, cannot proceed.";
2542		3562
		3563	cf::cede_to_tick;
		3564
2543	{	3565	{
2544	my $faces = $facedata->{faceinfo};	3566	my $faces = delete $facedata->{faceinfo};
2545		3567
2546	while (my ($face, $info) = each %$faces) {	3568	for my $face (sort keys %$faces) {
		3569	my $info = $faces->{$face};
2547	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3570	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3571
2548	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3572	cf::face::set_visibility $idx, $info->{visibility};
		3573	cf::face::set_magicmap $idx, $info->{magicmap};
2549	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3574	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2550	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3575	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2551	Coro::cede;	3576	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3577	$FACEHASH{$info->{hash64}} = $idx;#d#
		3578
		3579	cf::cede_to_tick;
2552	}	3580	}
2553		3581
2554	while (my ($face, $info) = each %$faces) {	3582	while (my ($face, $info) = each %$faces) {
2555	next unless $info->{smooth};	3583	next unless $info->{smooth};
		3584
2556	my $idx = cf::face::find $face	3585	my $idx = cf::face::find $face
2557	or next;	3586	or next;
		3587
2558	if (my $smooth = cf::face::find $info->{smooth}) {	3588	if (my $smooth = cf::face::find $info->{smooth}) {
		3589	cf::face::set_smooth $idx, $smooth;
2559	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3590	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2560	} else {	3591	} else {
2561	warn "smooth face '$info->{smooth}' not found for face '$face'";	3592	error "smooth face '$info->{smooth}' not found for face '$face'";
2562	}	3593	}
2563	Coro::cede;	3594
		3595	cf::cede_to_tick;
2564	}	3596	}
2565	}	3597	}
2566		3598
2567	{	3599	{
2568	my $anims = $facedata->{animinfo};	3600	my $anims = delete $facedata->{animinfo};
2569		3601
2570	while (my ($anim, $info) = each %$anims) {	3602	while (my ($anim, $info) = each %$anims) {
2571	cf::anim::set $anim, $info->{frames}, $info->{facings};	3603	cf::anim::set $anim, $info->{frames}, $info->{facings};
2572	Coro::cede;	3604	cf::cede_to_tick;
2573	}	3605	}
2574		3606
2575	cf::anim::invalidate_all; # d'oh	3607	cf::anim::invalidate_all; # d'oh
2576	}	3608	}
2577		3609
		3610	{
		3611	my $res = delete $facedata->{resource};
		3612
		3613	while (my ($name, $info) = each %$res) {
		3614	if (defined (my $type = $info->{type})) {
		3615	# TODO: different hash - must free and use new index, or cache ixface data queue
		3616	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3617
		3618	cf::face::set_type $idx, $type;
		3619	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3620	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3621	$FACEHASH{$info->{hash}} = $idx;#d#
		3622	} else {
		3623	# $RESOURCE{$name} = $info; # unused
		3624	}
		3625
		3626	cf::cede_to_tick;
		3627	}
		3628	}
		3629
		3630	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3631
2578	1	3632	1
2579	}	3633	}
2580		3634
		3635	register_exticmd fx_want => sub {
		3636	my ($ns, $want) = @_;
		3637
		3638	while (my ($k, $v) = each %$want) {
		3639	$ns->fx_want ($k, $v);
		3640	}
		3641	};
		3642
		3643	sub load_resource_file($) {
		3644	my $guard = lock_acquire "load_resource_file";
		3645
		3646	my $status = load_resource_file_ $_[0];
		3647	get_slot 0.1, 100;
		3648	cf::arch::commit_load;
		3649
		3650	$status
		3651	}
		3652
		3653	sub reload_exp_table {
		3654	_reload_exp_table;
		3655
		3656	set_face "res/exp_table" => FT_RSRC,
		3657	JSON::XS->new->utf8->canonical->encode (
		3658	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3659	);
		3660	}
		3661
		3662	sub reload_materials {
		3663	_reload_materials;
		3664	}
		3665
2581	sub reload_regions {	3666	sub reload_regions {
		3667	# HACK to clear player env face cache, we need some signal framework
		3668	# for this (global event?)
		3669	%ext::player_env::MUSIC_FACE_CACHE = ();
		3670
2582	load_resource_file "$MAPDIR/regions"	3671	load_resource_file "$MAPDIR/regions"
2583	or die "unable to load regions file\n";	3672	or die "unable to load regions file\n";
		3673
		3674	for (cf::region::list) {
		3675	$_->{match} = qr/$_->{match}/
		3676	if exists $_->{match};
		3677	}
2584	}	3678	}
2585		3679
2586	sub reload_facedata {	3680	sub reload_facedata {
2587	load_facedata "$DATADIR/facedata"	3681	load_facedata "$DATADIR/facedata"
2588	or die "unable to load facedata\n";	3682	or die "unable to load facedata\n";
2589	}	3683	}
2590		3684
2591	sub reload_archetypes {	3685	sub reload_archetypes {
2592	load_resource_file "$DATADIR/archetypes"	3686	load_resource_file "$DATADIR/archetypes"
2593	or die "unable to load archetypes\n";	3687	or die "unable to load archetypes\n";
		3688
		3689	set_face "res/skill_info" => FT_RSRC,
		3690	JSON::XS->new->utf8->canonical->encode (
		3691	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3692	);
		3693	set_face "res/spell_paths" => FT_RSRC,
		3694	JSON::XS->new->utf8->canonical->encode (
		3695	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3696	);
2594	}	3697	}
2595		3698
2596	sub reload_treasures {	3699	sub reload_treasures {
2597	load_resource_file "$DATADIR/treasures"	3700	load_resource_file "$DATADIR/treasures"
2598	or die "unable to load treasurelists\n";	3701	or die "unable to load treasurelists\n";
2599	}	3702	}
2600		3703
		3704	sub reload_sound {
		3705	trace "loading sound config from $DATADIR/sound\n";
		3706
		3707	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3708
		3709	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3710	my $sound = $soundconf->{compat}[$_]
		3711	or next;
		3712
		3713	my $face = cf::face::find "sound/$sound->[1]";
		3714	cf::sound::set $sound->[0] => $face;
		3715	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3716	}
		3717
		3718	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3719	my $face = cf::face::find "sound/$v";
		3720	cf::sound::set $k => $face;
		3721	}
		3722	}
		3723
2601	sub reload_resources {	3724	sub reload_resources {
2602	warn "reloading resource files...\n";	3725	trace "reloading resource files...\n";
2603		3726
		3727	reload_materials;
		3728	reload_facedata;
		3729	reload_exp_table;
		3730	reload_sound;
		3731	reload_archetypes;
2604	reload_regions;	3732	reload_regions;
2605	reload_facedata;
2606	#reload_archetypes;#d#
2607	reload_archetypes;
2608	reload_treasures;	3733	reload_treasures;
2609		3734
2610	warn "finished reloading resource files\n";	3735	trace "finished reloading resource files\n";
2611	}	3736	}
2612		3737
2613	sub init {	3738	sub reload_config {
2614	reload_resources;	3739	trace "reloading config file...\n";
2615	}
2616		3740
2617	sub cfg_load {	3741	my $config = load_file "$CONFDIR/config";
2618	open my $fh, "<:utf8", "$CONFDIR/config"	3742	utf8::decode $config;
2619	or return;	3743	*CFG = decode_yaml $config;
2620		3744
2621	local $/;
2622	*CFG = YAML::Syck::Load <$fh>;
2623
2624	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3745	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2625		3746
2626	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3747	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2627	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3748	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2628		3749
2629	if (exists $CFG{mlockall}) {	3750	if (exists $CFG{mlockall}) {
…		…
2633	};	3754	};
2634	warn $@ if $@;	3755	warn $@ if $@;
2635	}	3756	}
2636	}	3757	}
2637		3758
		3759	sub pidfile() {
		3760	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3761	or die "$PIDFILE: $!";
		3762	flock $fh, &Fcntl::LOCK_EX
		3763	or die "$PIDFILE: flock: $!";
		3764	$fh
		3765	}
		3766
		3767	# make sure only one server instance is running at any one time
		3768	sub atomic {
		3769	my $fh = pidfile;
		3770
		3771	my $pid = <$fh>;
		3772	kill 9, $pid if $pid > 0;
		3773
		3774	seek $fh, 0, 0;
		3775	print $fh $$;
		3776	}
		3777
		3778	sub main_loop {
		3779	trace "EV::loop starting\n";
		3780	if (1) {
		3781	EV::loop;
		3782	}
		3783	trace "EV::loop returned\n";
		3784	goto &main_loop unless $REALLY_UNLOOP;
		3785	}
		3786
2638	sub main {	3787	sub main {
		3788	cf::init_globals; # initialise logging
		3789
		3790	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3791	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3792	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3793	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3794
		3795	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3796
2639	# we must not ever block the main coroutine	3797	# we must not ever block the main coroutine
2640	local $Coro::idle = sub {	3798	$Coro::idle = sub {
2641	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3799	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2642	(async {	3800	(async {
2643	Event::one_event;	3801	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3802	EV::loop EV::LOOP_ONESHOT;
2644	})->prio (Coro::PRIO_MAX);	3803	})->prio (Coro::PRIO_MAX);
2645	};	3804	};
2646		3805
2647	cfg_load;	3806	evthread_start IO::AIO::poll_fileno;
		3807
		3808	cf::sync_job {
		3809	cf::incloader::init ();
		3810
2648	db_init;	3811	db_init;
		3812
		3813	cf::init_anim;
		3814	cf::init_attackmess;
		3815	cf::init_dynamic;
		3816
		3817	cf::load_settings;
		3818
		3819	reload_resources;
		3820	reload_config;
		3821
		3822	cf::init_uuid;
		3823	cf::init_signals;
		3824	cf::init_skills;
		3825
		3826	cf::init_beforeplay;
		3827
		3828	atomic;
		3829
2649	load_extensions;	3830	load_extensions;
2650		3831
2651	$TICK_WATCHER->start;	3832	utime time, time, $RUNTIMEFILE;
2652	Event::loop;	3833
		3834	# no (long-running) fork's whatsoever before this point(!)
		3835	use POSIX ();
		3836	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3837
		3838	cf::_post_init 0;
		3839	};
		3840
		3841	cf::object::thawer::errors_are_fatal 0;
		3842	info "parse errors in files are no longer fatal from this point on.\n";
		3843
		3844	AE::postpone {
		3845	undef &main; # free gobs of memory :)
		3846	};
		3847
		3848	goto &main_loop;
2653	}	3849	}
2654		3850
2655	#############################################################################	3851	#############################################################################
2656	# initialisation and cleanup	3852	# initialisation and cleanup
2657		3853
2658	# install some emergency cleanup handlers	3854	# install some emergency cleanup handlers
2659	BEGIN {	3855	BEGIN {
		3856	our %SIGWATCHER = ();
2660	for my $signal (qw(INT HUP TERM)) {	3857	for my $signal (qw(INT HUP TERM)) {
2661	Event->signal (	3858	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2662	reentrant => 0,
2663	data => WF_AUTOCANCEL,
2664	signal => $signal,
2665	prio => 0,
2666	cb => sub {
2667	cf::cleanup "SIG$signal";	3859	cf::cleanup "SIG$signal";
2668	},
2669	);	3860	};
2670	}	3861	}
2671	}	3862	}
2672		3863
2673	sub write_runtime {	3864	sub write_runtime_sync {
2674	my $runtime = "$LOCALDIR/runtime";	3865	my $t0 = AE::time;
2675		3866
2676	# first touch the runtime file to show we are still running:	3867	# first touch the runtime file to show we are still running:
2677	# the fsync below can take a very very long time.	3868	# the fsync below can take a very very long time.
2678		3869
2679	IO::AIO::aio_utime $runtime, undef, undef;	3870	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2680		3871
2681	my $guard = cf::lock_acquire "write_runtime";	3872	my $guard = cf::lock_acquire "write_runtime";
2682		3873
2683	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3874	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2684	or return;	3875	or return;
2685		3876
2686	my $value = $cf::RUNTIME + 90 + 10;	3877	my $value = $cf::RUNTIME + 90 + 10;
2687	# 10 is the runtime save interval, for a monotonic clock	3878	# 10 is the runtime save interval, for a monotonic clock
2688	# 60 allows for the watchdog to kill the server.	3879	# 60 allows for the watchdog to kill the server.
…		…
2698	aio_utime $fh, undef, undef;	3889	aio_utime $fh, undef, undef;
2699		3890
2700	close $fh	3891	close $fh
2701	or return;	3892	or return;
2702		3893
2703	aio_rename "$runtime~", $runtime	3894	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2704	and return;	3895	and return;
2705		3896
2706	warn "runtime file written.\n";	3897	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2707		3898
2708	1	3899	1
		3900	}
		3901
		3902	our $uuid_lock;
		3903	our $uuid_skip;
		3904
		3905	sub write_uuid_sync($) {
		3906	$uuid_skip ||= $_[0];
		3907
		3908	return if $uuid_lock;
		3909	local $uuid_lock = 1;
		3910
		3911	my $uuid = "$LOCALDIR/uuid";
		3912
		3913	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3914	or return;
		3915
		3916	my $value = uuid_seq uuid_cur;
		3917
		3918	unless ($value) {
		3919	info "cowardly refusing to write zero uuid value!\n";
		3920	return;
		3921	}
		3922
		3923	my $value = uuid_str $value + $uuid_skip;
		3924	$uuid_skip = 0;
		3925
		3926	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3927	and return;
		3928
		3929	# always fsync - this file is important
		3930	aio_fsync $fh
		3931	and return;
		3932
		3933	close $fh
		3934	or return;
		3935
		3936	aio_rename "$uuid~", $uuid
		3937	and return;
		3938
		3939	trace "uuid file written ($value).\n";
		3940
		3941	1
		3942
		3943	}
		3944
		3945	sub write_uuid($$) {
		3946	my ($skip, $sync) = @_;
		3947
		3948	$sync ? write_uuid_sync $skip
		3949	: async { write_uuid_sync $skip };
2709	}	3950	}
2710		3951
2711	sub emergency_save() {	3952	sub emergency_save() {
2712	my $freeze_guard = cf::freeze_mainloop;	3953	my $freeze_guard = cf::freeze_mainloop;
2713		3954
2714	warn "enter emergency perl save\n";	3955	info "emergency_perl_save: enter\n";
		3956
		3957	# this is a trade-off: we want to be very quick here, so
		3958	# save all maps without fsync, and later call a global sync
		3959	# (which in turn might be very very slow)
		3960	local $USE_FSYNC = 0;
2715		3961
2716	cf::sync_job {	3962	cf::sync_job {
		3963	cf::write_runtime_sync; # external watchdog should not bark
		3964
2717	# use a peculiar iteration method to avoid tripping on perl	3965	# use a peculiar iteration method to avoid tripping on perl
2718	# refcount bugs in for. also avoids problems with players	3966	# refcount bugs in for. also avoids problems with players
2719	# and maps saved/destroyed asynchronously.	3967	# and maps saved/destroyed asynchronously.
2720	warn "begin emergency player save\n";	3968	info "emergency_perl_save: begin player save\n";
2721	for my $login (keys %cf::PLAYER) {	3969	for my $login (keys %cf::PLAYER) {
2722	my $pl = $cf::PLAYER{$login} or next;	3970	my $pl = $cf::PLAYER{$login} or next;
2723	$pl->valid or next;	3971	$pl->valid or next;
		3972	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2724	$pl->save;	3973	$pl->save;
2725	}	3974	}
2726	warn "end emergency player save\n";	3975	info "emergency_perl_save: end player save\n";
2727		3976
2728	warn "begin emergency map save\n";	3977	cf::write_runtime_sync; # external watchdog should not bark
		3978
		3979	info "emergency_perl_save: begin map save\n";
2729	for my $path (keys %cf::MAP) {	3980	for my $path (keys %cf::MAP) {
2730	my $map = $cf::MAP{$path} or next;	3981	my $map = $cf::MAP{$path} or next;
2731	$map->valid or next;	3982	$map->valid or next;
2732	$map->save;	3983	$map->save;
2733	}	3984	}
2734	warn "end emergency map save\n";	3985	info "emergency_perl_save: end map save\n";
2735		3986
2736	warn "begin emergency database checkpoint\n";	3987	cf::write_runtime_sync; # external watchdog should not bark
		3988
		3989	info "emergency_perl_save: begin database checkpoint\n";
2737	BDB::db_env_txn_checkpoint $DB_ENV;	3990	BDB::db_env_txn_checkpoint $DB_ENV;
2738	warn "end emergency database checkpoint\n";	3991	info "emergency_perl_save: end database checkpoint\n";
		3992
		3993	info "emergency_perl_save: begin write uuid\n";
		3994	write_uuid_sync 1;
		3995	info "emergency_perl_save: end write uuid\n";
		3996
		3997	cf::write_runtime_sync; # external watchdog should not bark
		3998
		3999	trace "emergency_perl_save: syncing database to disk";
		4000	BDB::db_env_txn_checkpoint $DB_ENV;
		4001
		4002	info "emergency_perl_save: starting sync\n";
		4003	IO::AIO::aio_sync sub {
		4004	info "emergency_perl_save: finished sync\n";
		4005	};
		4006
		4007	cf::write_runtime_sync; # external watchdog should not bark
		4008
		4009	trace "emergency_perl_save: flushing outstanding aio requests";
		4010	while (IO::AIO::nreqs || BDB::nreqs) {
		4011	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4012	}
		4013
		4014	cf::write_runtime_sync; # external watchdog should not bark
2739	};	4015	};
2740		4016
2741	warn "leave emergency perl save\n";	4017	info "emergency_perl_save: leave\n";
2742	}	4018	}
2743		4019
2744	sub post_cleanup {	4020	sub post_cleanup {
2745	my ($make_core) = @_;	4021	my ($make_core) = @_;
2746		4022
		4023	IO::AIO::flush;
		4024
2747	warn Carp::longmess "post_cleanup backtrace"	4025	error Carp::longmess "post_cleanup backtrace"
2748	if $make_core;	4026	if $make_core;
		4027
		4028	my $fh = pidfile;
		4029	unlink $PIDFILE if <$fh> == $$;
		4030	}
		4031
		4032	# a safer delete_package, copied from Symbol
		4033	sub clear_package($) {
		4034	my $pkg = shift;
		4035
		4036	# expand to full symbol table name if needed
		4037	unless ($pkg =~ /^main::.*::$/) {
		4038	$pkg = "main$pkg" if $pkg =~ /^::/;
		4039	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4040	$pkg .= '::' unless $pkg =~ /::$/;
		4041	}
		4042
		4043	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4044	my $stem_symtab = *{$stem}{HASH};
		4045
		4046	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4047	or return;
		4048
		4049	# clear all symbols
		4050	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4051	for my $name (keys %$leaf_symtab) {
		4052	_gv_clear *{"$pkg$name"};
		4053	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4054	}
2749	}	4055	}
2750		4056
2751	sub do_reload_perl() {	4057	sub do_reload_perl() {
2752	# can/must only be called in main	4058	# can/must only be called in main
2753	if ($Coro::current != $Coro::main) {	4059	unless (in_main) {
2754	warn "can only reload from main coroutine";	4060	error "can only reload from main coroutine";
2755	return;	4061	return;
2756	}	4062	}
2757		4063
2758	warn "reloading...";	4064	return if $RELOAD++;
2759		4065
2760	warn "entering sync_job";	4066	my $t1 = AE::time;
2761		4067
		4068	while ($RELOAD) {
		4069	cf::get_slot 0.1, -1, "reload_perl";
		4070	info "perl_reload: reloading...";
		4071
		4072	trace "perl_reload: entering sync_job";
		4073
2762	cf::sync_job {	4074	cf::sync_job {
2763	cf::write_runtime; # external watchdog should not bark
2764	cf::emergency_save;	4075	#cf::emergency_save;
2765	cf::write_runtime; # external watchdog should not bark
2766		4076
2767	warn "syncing database to disk";
2768	BDB::db_env_txn_checkpoint $DB_ENV;
2769
2770	# if anything goes wrong in here, we should simply crash as we already saved
2771
2772	warn "cancelling all WF_AUTOCANCEL watchers";
2773	for (Event::all_watchers) {
2774	$_->cancel if $_->data & WF_AUTOCANCEL;
2775	}
2776
2777	warn "flushing outstanding aio requests";
2778	for (;;) {
2779	BDB::flush;
2780	IO::AIO::flush;
2781	Coro::cede;
2782	last unless IO::AIO::nreqs || BDB::nreqs;
2783	warn "iterate...";
2784	}
2785
2786	++$RELOAD;
2787
2788	warn "cancelling all extension coros";	4077	trace "perl_reload: cancelling all extension coros";
2789	$_->cancel for values %EXT_CORO;	4078	$_->cancel for values %EXT_CORO;
2790	%EXT_CORO = ();	4079	%EXT_CORO = ();
2791		4080
2792	warn "removing commands";	4081	trace "perl_reload: removing commands";
2793	%COMMAND = ();	4082	%COMMAND = ();
2794		4083
2795	warn "removing ext commands";	4084	trace "perl_reload: removing ext/exti commands";
2796	%EXTCMD = ();	4085	%EXTCMD = ();
		4086	%EXTICMD = ();
2797		4087
2798	warn "unloading/nuking all extensions";	4088	trace "perl_reload: unloading/nuking all extensions";
2799	for my $pkg (@EXTS) {	4089	for my $pkg (@EXTS) {
2800	warn "... unloading $pkg";	4090	trace "... unloading $pkg";
2801		4091
2802	if (my $cb = $pkg->can ("unload")) {	4092	if (my $cb = $pkg->can ("unload")) {
2803	eval {	4093	eval {
2804	$cb->($pkg);	4094	$cb->($pkg);
2805	1	4095	1
2806	} or warn "$pkg unloaded, but with errors: $@";	4096	} or error "$pkg unloaded, but with errors: $@";
		4097	}
		4098
		4099	trace "... clearing $pkg";
		4100	clear_package $pkg;
2807	}	4101	}
2808		4102
2809	warn "... nuking $pkg";
2810	Symbol::delete_package $pkg;
2811	}
2812
2813	warn "unloading all perl modules loaded from $LIBDIR";	4103	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2814	while (my ($k, $v) = each %INC) {	4104	while (my ($k, $v) = each %INC) {
2815	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4105	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2816		4106
2817	warn "... unloading $k";	4107	trace "... unloading $k";
2818	delete $INC{$k};	4108	delete $INC{$k};
2819		4109
2820	$k =~ s/\.pm$//;	4110	$k =~ s/\.pm$//;
2821	$k =~ s/\//::/g;	4111	$k =~ s/\//::/g;
2822		4112
2823	if (my $cb = $k->can ("unload_module")) {	4113	if (my $cb = $k->can ("unload_module")) {
2824	$cb->();	4114	$cb->();
		4115	}
		4116
		4117	clear_package $k;
2825	}	4118	}
2826		4119
2827	Symbol::delete_package $k;
2828	}
2829
2830	warn "getting rid of safe::, as good as possible";	4120	trace "perl_reload: getting rid of safe::, as good as possible";
2831	Symbol::delete_package "safe::$_"	4121	clear_package "safe::$_"
2832	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4122	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2833		4123
2834	warn "unloading cf.pm \"a bit\"";	4124	trace "perl_reload: unloading cf.pm \"a bit\"";
2835	delete $INC{"cf.pm"};	4125	delete $INC{"cf.pm"};
2836	delete $INC{"cf/pod.pm"};	4126	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2837		4127
2838	# don't, removes xs symbols, too,	4128	# don't, removes xs symbols, too,
2839	# and global variables created in xs	4129	# and global variables created in xs
2840	#Symbol::delete_package __PACKAGE__;	4130	#clear_package __PACKAGE__;
2841		4131
2842	warn "unload completed, starting to reload now";	4132	info "perl_reload: unload completed, starting to reload now";
2843		4133
2844	warn "reloading cf.pm";	4134	trace "perl_reload: reloading cf.pm";
2845	require cf;	4135	require cf;
2846	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4136	cf::_connect_to_perl_1;
2847		4137
2848	warn "loading config and database again";	4138	trace "perl_reload: loading config and database again";
2849	cf::cfg_load;	4139	cf::reload_config;
2850		4140
2851	warn "loading extensions";	4141	trace "perl_reload: loading extensions";
2852	cf::load_extensions;	4142	cf::load_extensions;
2853		4143
		4144	if ($REATTACH_ON_RELOAD) {
2854	warn "reattaching attachments to objects/players";	4145	trace "perl_reload: reattaching attachments to objects/players";
2855	_global_reattach; # objects, sockets	4146	_global_reattach; # objects, sockets
2856	warn "reattaching attachments to maps";	4147	trace "perl_reload: reattaching attachments to maps";
2857	reattach $_ for values %MAP;	4148	reattach $_ for values %MAP;
2858	warn "reattaching attachments to players";	4149	trace "perl_reload: reattaching attachments to players";
2859	reattach $_ for values %PLAYER;	4150	reattach $_ for values %PLAYER;
		4151	}
2860		4152
2861	warn "leaving sync_job";	4153	cf::_post_init 1;
2862		4154
		4155	trace "perl_reload: leaving sync_job";
		4156
2863	1	4157	1
2864	} or do {	4158	} or do {
2865	warn $@;	4159	error $@;
2866	warn "error while reloading, exiting.";	4160	cf::cleanup "perl_reload: error, exiting.";
2867	exit 1;	4161	};
		4162
		4163	--$RELOAD;
2868	};	4164	}
2869		4165
2870	warn "reloaded";	4166	$t1 = AE::time - $t1;
		4167	info "perl_reload: completed in ${t1}s\n";
2871	};	4168	};
2872		4169
2873	our $RELOAD_WATCHER; # used only during reload	4170	our $RELOAD_WATCHER; # used only during reload
2874		4171
2875	sub reload_perl() {	4172	sub reload_perl() {
2876	# doing reload synchronously and two reloads happen back-to-back,	4173	# doing reload synchronously and two reloads happen back-to-back,
2877	# coro crashes during coro_state_free->destroy here.	4174	# coro crashes during coro_state_free->destroy here.
2878		4175
2879	$RELOAD_WATCHER ||= Event->timer (	4176	$RELOAD_WATCHER ||= cf::async {
2880	reentrant => 0,	4177	Coro::AIO::aio_wait cache_extensions;
2881	after => 0,	4178
2882	data => WF_AUTOCANCEL,	4179	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2883	cb => sub {
2884	do_reload_perl;	4180	do_reload_perl;
2885	undef $RELOAD_WATCHER;	4181	undef $RELOAD_WATCHER;
2886	},	4182	};
2887	);	4183	};
2888	}	4184	}
2889		4185
2890	register_command "reload" => sub {	4186	register_command "reload" => sub {
2891	my ($who, $arg) = @_;	4187	my ($who, $arg) = @_;
2892		4188
2893	if ($who->flag (FLAG_WIZ)) {	4189	if ($who->flag (FLAG_WIZ)) {
2894	$who->message ("reloading server.");	4190	$who->message ("reloading server.");
		4191	async {
		4192	$Coro::current->{desc} = "perl_reload";
2895	async { reload_perl };	4193	reload_perl;
		4194	};
2896	}	4195	}
2897	};	4196	};
2898		4197
2899	unshift @INC, $LIBDIR;	4198	#############################################################################
2900		4199
2901	my $bug_warning = 0;	4200	my $bug_warning = 0;
2902		4201
2903	our @WAIT_FOR_TICK;
2904	our @WAIT_FOR_TICK_BEGIN;
2905
2906	sub wait_for_tick {	4202	sub wait_for_tick() {
2907	return unless $TICK_WATCHER->is_active;	4203	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2908	return if $Coro::current == $Coro::main;
2909		4204
2910	my $signal = new Coro::Signal;	4205	$WAIT_FOR_TICK->wait;
2911	push @WAIT_FOR_TICK, $signal;
2912	$signal->wait;
2913	}	4206	}
2914		4207
2915	sub wait_for_tick_begin {	4208	sub wait_for_tick_begin() {
2916	return unless $TICK_WATCHER->is_active;	4209	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2917	return if $Coro::current == $Coro::main;
2918		4210
2919	my $signal = new Coro::Signal;	4211	my $signal = new Coro::Signal;
2920	push @WAIT_FOR_TICK_BEGIN, $signal;	4212	push @WAIT_FOR_TICK_BEGIN, $signal;
2921	$signal->wait;	4213	$signal->wait;
2922	}	4214	}
2923		4215
2924	my $min = 1e6;#d#	4216	sub tick {
2925	my $avg = 10;
2926	$TICK_WATCHER = Event->timer (
2927	reentrant => 0,
2928	parked => 1,
2929	prio => 0,
2930	at => $NEXT_TICK || $TICK,
2931	data => WF_AUTOCANCEL,
2932	cb => sub {
2933	if ($Coro::current != $Coro::main) {	4217	if ($Coro::current != $Coro::main) {
2934	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4218	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2935	unless ++$bug_warning > 10;	4219	unless ++$bug_warning > 10;
2936	return;	4220	return;
2937	}	4221	}
2938		4222
2939	$NOW = $tick_start = Event::time;	4223	cf::one_tick; # one server iteration
2940		4224
2941	cf::server_tick; # one server iteration	4225	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2942		4226
2943	0 && sync_job {#d#	4227	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2944	for(1..10) {	4228	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2945	my $t = Event::time;	4229	Coro::async_pool {
2946	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4230	$Coro::current->{desc} = "runtime saver";
2947	or die;	4231	write_runtime_sync
2948		4232	or error "ERROR: unable to write runtime file: $!";
2949	$map->width (50);
2950	$map->height (50);
2951	$map->alloc;
2952	$map->_load_objects ("/tmp/x.map", 1);
2953	my $t = Event::time - $t;
2954
2955	#next unless $t < 0.0013;#d#
2956	if ($t < $min) {
2957	$min = $t;
2958	}
2959	$avg = $avg * 0.99 + $t * 0.01;
2960	}
2961	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2962	exit 0;
2963	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2964	};	4233	};
		4234	}
2965		4235
2966	$RUNTIME += $TICK;
2967	$NEXT_TICK += $TICK;
2968
2969	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2970	$NEXT_RUNTIME_WRITE = $NOW + 10;
2971	Coro::async_pool {
2972	write_runtime
2973	or warn "ERROR: unable to write runtime file: $!";
2974	};
2975	}
2976
2977	# my $AFTER = Event::time;
2978	# warn $AFTER - $NOW;#d#
2979
2980	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4236	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2981	$sig->send;	4237	$sig->send;
2982	}	4238	}
2983	while (my $sig = shift @WAIT_FOR_TICK) {	4239	$WAIT_FOR_TICK->broadcast;
2984	$sig->send;
2985	}
2986		4240
2987	$NOW = Event::time;	4241	$LOAD = ($NOW - $TICK_START) / $TICK;
2988
2989	# if we are delayed by four ticks or more, skip them all
2990	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2991
2992	$TICK_WATCHER->at ($NEXT_TICK);
2993	$TICK_WATCHER->start;
2994
2995	$LOAD = ($NOW - $tick_start) / $TICK;
2996	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4242	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2997		4243
2998	_post_tick;	4244	if (0) {
2999		4245	if ($NEXT_TICK) {
3000		4246	my $jitter = $TICK_START - $NEXT_TICK;
		4247	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4248	debug "jitter $JITTER\n";#d#
		4249	}
3001	},	4250	}
3002	);	4251	}
3003		4252
3004	{	4253	{
3005	BDB::max_poll_time $TICK * 0.1;	4254	# configure BDB
3006	$BDB_POLL_WATCHER = Event->io (	4255	info "initialising database";
3007	reentrant => 0,	4256
3008	fd => BDB::poll_fileno,
3009	poll => 'r',
3010	prio => 0,
3011	data => WF_AUTOCANCEL,
3012	cb => \&BDB::poll_cb,
3013	);
3014	BDB::min_parallel 8;	4257	BDB::min_parallel 16;
3015		4258	BDB::max_poll_reqs $TICK * 0.1;
3016	BDB::set_sync_prepare {	4259	#$AnyEvent::BDB::WATCHER->priority (1);
3017	my $status;
3018	my $current = $Coro::current;
3019	(
3020	sub {
3021	$status = $!;
3022	$current->ready; undef $current;
3023	},
3024	sub {
3025	Coro::schedule while defined $current;
3026	$! = $status;
3027	},
3028	)
3029	};
3030		4260
3031	unless ($DB_ENV) {	4261	unless ($DB_ENV) {
3032	$DB_ENV = BDB::db_env_create;	4262	$DB_ENV = BDB::db_env_create;
		4263	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4264	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4265	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4266	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4267	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3033		4268
3034	cf::sync_job {	4269	cf::sync_job {
3035	eval {	4270	eval {
3036	BDB::db_env_open	4271	BDB::db_env_open
3037	$DB_ENV,	4272	$DB_ENV,
…		…
3039	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4274	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4275	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3041	0666;	4276	0666;
3042		4277
3043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4278	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3044
3045	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3046	$DB_ENV->set_lk_detect;
3047	};	4279	};
3048		4280
3049	cf::cleanup "db_env_open(db): $@" if $@;	4281	cf::cleanup "db_env_open(db): $@" if $@;
3050	};	4282	};
3051	}	4283	}
		4284
		4285	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4286	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4287	};
		4288	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4289	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4290	};
		4291	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4292	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4293	};
		4294
		4295	info "database initialised";
3052	}	4296	}
3053		4297
3054	{	4298	{
		4299	# configure IO::AIO
		4300
		4301	info "initialising aio";
3055	IO::AIO::min_parallel 8;	4302	IO::AIO::min_parallel 8;
3056
3057	undef $Coro::AIO::WATCHER;
3058	IO::AIO::max_poll_time $TICK * 0.1;	4303	IO::AIO::max_poll_time $TICK * 0.1;
3059	$AIO_POLL_WATCHER = Event->io (	4304	undef $AnyEvent::AIO::WATCHER;
3060	reentrant => 0,	4305	info "aio initialised";
3061	data => WF_AUTOCANCEL,
3062	fd => IO::AIO::poll_fileno,
3063	poll => 'r',
3064	prio => 6,
3065	cb => \&IO::AIO::poll_cb,
3066	);
3067	}	4306	}
3068		4307
3069	my $_log_backtrace;	4308	our $_log_backtrace;
		4309	our $_log_backtrace_last;
3070		4310
3071	sub _log_backtrace {	4311	sub _log_backtrace {
3072	my ($msg, @addr) = @_;	4312	my ($msg, @addr) = @_;
3073		4313
3074	$msg =~ s/\n//;	4314	$msg =~ s/\n$//;
3075		4315
		4316	if ($_log_backtrace_last eq $msg) {
		4317	LOG llevInfo, "[ABT] $msg\n";
		4318	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3076	# limit the # of concurrent backtraces	4319	# limit the # of concurrent backtraces
3077	if ($_log_backtrace < 2) {	4320	} elsif ($_log_backtrace < 2) {
		4321	$_log_backtrace_last = $msg;
3078	++$_log_backtrace;	4322	++$_log_backtrace;
		4323	my $perl_bt = Carp::longmess $msg;
3079	async {	4324	async {
		4325	$Coro::current->{desc} = "abt $msg";
		4326
3080	my @bt = fork_call {	4327	my @bt = fork_call {
3081	@addr = map { sprintf "%x", $_ } @addr;	4328	@addr = map { sprintf "%x", $_ } @addr;
3082	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4329	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3083	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4330	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3084	or die "addr2line: $!";	4331	or die "addr2line: $!";
…		…
3092	}	4339	}
3093		4340
3094	@funcs	4341	@funcs
3095	};	4342	};
3096		4343
3097	LOG llevInfo, "[ABT] $msg\n";	4344	LOG llevInfo, "[ABT] $perl_bt\n";
		4345	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3098	LOG llevInfo, "[ABT] $_\n" for @bt;	4346	LOG llevInfo, "[ABT] $_\n" for @bt;
3099	--$_log_backtrace;	4347	--$_log_backtrace;
3100	};	4348	};
3101	} else {	4349	} else {
3102	LOG llevInfo, "[ABT] $msg\n";	4350	LOG llevInfo, "[ABT] $msg\n";
3103	LOG llevInfo, "[ABT] [suppressed]\n";	4351	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3104	}	4352	}
3105	}	4353	}
3106		4354
3107	# load additional modules	4355	# load additional modules
3108	use cf::pod;	4356	require "cf/$_.pm" for @EXTRA_MODULES;
		4357	cf::_connect_to_perl_2;
3109		4358
3110	END { cf::emergency_save }	4359	END { cf::emergency_save }
3111		4360
3112	1	4361	1
3113		4362

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