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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.347 by root, Thu Aug 30 05:16:09 2007 UTC vs.
Revision 1.577 by root, Tue Jan 3 11:25:33 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 Guard ();
15	use Coro 3.64 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.32 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		75
43	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
44		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		78
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
54		85
55	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
65	our $DATADIR = datadir;	99	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
69	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
75		120
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	123	our $NEXT_TICK;
		124	our $USE_FSYNC = 1; # use fsync to write maps - default on
		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
		128	our $BDB_TRICKLE_WATCHER;
		129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
		133	our %CFG;
		134
		135	our $UPTIME; $UPTIME ||= time;
		136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
81	our $NOW;	138	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		139
84	our $BDB_POLL_WATCHER;	140	our (%PLAYER, %PLAYER_LOADING); # all users
85	our $DB_ENV;	141	our (%MAP, %MAP_LOADING ); # all maps
86
87	our %CFG;
88
89	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;
91
92	our %PLAYER; # all users
93	our %MAP; # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
95		143
96	# used to convert map paths into valid unix filenames by replacing / by ∕	144	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		146
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	147	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	150	our $TICK_START; # for load detecting purposes
		151
		152	our @POST_INIT;
		153
		154	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		155	our $REALLY_UNLOOP; # never set to true, please :)
		156
		157	our $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
102		159
103	binmode STDOUT;	160	binmode STDOUT;
104	binmode STDERR;	161	binmode STDERR;
105		162
106	# read virtual server time, if available	163	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
111	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
112		171
113	mkdir $_	172	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		174
116	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
117		176
118	sub cf::map::normalise;	177	sub cf::map::normalise;
119		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
120	#############################################################################	183	#############################################################################
121		184
		185	%REFLECT = ();
		186	for (@REFLECT) {
		187	my $reflect = JSON::XS::decode_json $_;
		188	$REFLECT{$reflect->{class}} = $reflect;
		189	}
		190
		191	# this is decidedly evil
		192	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		193
		194	#############################################################################
		195
122	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
123		197
124	=over 4	198	=over 4
125		199
126	=item $cf::UPTIME	200	=item $cf::UPTIME
127		201
128	The timestamp of the server start (so not actually an uptime).	202	The timestamp of the server start (so not actually an "uptime").
		203
		204	=item $cf::SERVER_TICK
		205
		206	An unsigned integer that starts at zero when the server is started and is
		207	incremented on every tick.
		208
		209	=item $cf::NOW
		210
		211	The (real) time of the last (current) server tick - updated before and
		212	after tick processing, so this is useful only as a rough "what time is it
		213	now" estimate.
		214
		215	=item $cf::TICK
		216
		217	The interval between each server tick, in seconds.
129		218
130	=item $cf::RUNTIME	219	=item $cf::RUNTIME
131		220
132	The time this server has run, starts at 0 and is increased by $cf::TICK on	221	The time this server has run, starts at 0 and is increased by $cf::TICK on
133	every server tick.	222	every server tick.
…		…
139	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
141	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
142	database environment.	231	database environment.
143		232
144	=item $cf::NOW
145
146	The time of the last (current) server tick.
147
148	=item $cf::TICK
149
150	The interval between server ticks, in seconds.
151
152	=item $cf::LOADAVG	233	=item $cf::LOADAVG
153		234
154	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
155	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
156	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
159		240
160	The raw value load value from the last tick.	241	The raw value load value from the last tick.
161		242
162	=item %cf::CFG	243	=item %cf::CFG
163		244
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	246	from wherever your confdir points to.
166		247
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		249
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
170	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
172		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$cf::WAIT_FOR_TICK>).
		258
		259	=item $cf::WAIT_FOR_TICK
		260
		261	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		262	variable contains a L<Coro::Signal> that is broadcats after every server
		263	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		264	next server tick.
		265
		266	=cut
		267
		268	sub wait_for_tick();
		269	sub wait_for_tick_begin();
		270
173	=item @cf::INVOKE_RESULTS	271	=item @cf::INVOKE_RESULTS
174		272
175	This array contains the results of the last C<invoke ()> call. When	273	This array contains the results of the last C<invoke ()> call. When
176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	274	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	275	that call.
178		276
		277	=item %cf::REFLECT
		278
		279	Contains, for each (C++) class name, a hash reference with information
		280	about object members (methods, scalars, arrays and flags) and other
		281	metadata, which is useful for introspection.
		282
179	=back	283	=back
180		284
181	=cut	285	=cut
182		286
183	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
184	*CORE::GLOBAL::warn = sub {	288	sub warn (@) { LOG llevWarn , join "", @_ }
		289	sub info (@) { LOG llevInfo , join "", @_ }
		290	sub debug(@) { LOG llevDebug, join "", @_ }
		291	sub trace(@) { LOG llevTrace, join "", @_ }
		292
		293	$Coro::State::WARNHOOK = sub {
185	my $msg = join "", @_;	294	my $msg = join "", @_;
186		295
187	$msg .= "\n"	296	$msg .= "\n"
188	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
189		298
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		300
192	utf8::encode $msg;
193	LOG llevError, $msg;	301	LOG llevWarn, $msg;
194	};	302	};
195	}	303
		304	$Coro::State::DIEHOOK = sub {
		305	return unless $^S eq 0; # "eq", not "=="
		306
		307	error Carp::longmess $_[0];
		308
		309	if (in_main) {#d#
		310	error "DIEHOOK called in main context, Coro bug?\n";#d#
		311	return;#d#
		312	}#d#
		313
		314	# kill coroutine otherwise
		315	Coro::terminate
		316	};
196		317
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	328	for my $pkg (qw(
208	cf::global cf::attachable	329	cf::global cf::attachable
209	cf::object cf::object::player	330	cf::object cf::object::player
210	cf::client cf::player	331	cf::client cf::player
211	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
212	cf::map cf::party cf::region	334	cf::party cf::region
213	)) {	335	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	337	}
217		338
218	$Event::DIED = sub {	339	$EV::DIED = sub {
219	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
220	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
221		347
222	#############################################################################	348	#############################################################################
223		349
224	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
225		351
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	372	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	373	$d
248	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
249	}	375	}
250		376
		377	=item $scalar = load_file $path
		378
		379	Loads the given file from path and returns its contents. Croaks on error
		380	and can block.
		381
		382	=cut
		383
		384	sub load_file($) {
		385	0 <= aio_load $_[0], my $data
		386	or Carp::croak "$_[0]: $!";
		387
		388	$data
		389	}
		390
251	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
252		392
253	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
254		394
255	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
256		396
257	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
258		398
259	=cut	399	=cut
260		400
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		402
263	sub to_json ($) { $json_coder->encode ($_[0]) }	403	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	404	sub decode_json($) { $json_coder->decode ($_[0]) }
		405
		406	=item $ref = cf::decode_storable $scalar
		407
		408	Same as Coro::Storable::thaw, so blocks.
		409
		410	=cut
		411
		412	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		413
		414	=item $ref = cf::decode_yaml $scalar
		415
		416	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		417
		418	=cut
		419
		420	sub decode_yaml($) {
		421	fork_call { YAML::XS::Load $_[0] } @_
		422	}
		423
		424	=item $scalar = cf::unlzf $scalar
		425
		426	Same as Compress::LZF::compress, but takes server ticks into account, so
		427	blocks.
		428
		429	=cut
		430
		431	sub unlzf($) {
		432	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		433	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		434	Compress::LZF::decompress $_[0]
		435	}
		436
		437	=item cf::post_init { BLOCK }
		438
		439	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		440	but I<before> the server starts ticking again.
		441
		442	The codeblock will have a single boolean argument to indicate whether this
		443	is a reload or not.
		444
		445	=cut
		446
		447	sub post_init(&) {
		448	push @POST_INIT, shift;
		449	}
		450
		451	sub _post_init {
		452	trace "running post_init jobs";
		453
		454	# run them in parallel...
		455
		456	my @join;
		457
		458	while () {
		459	push @join, map &Coro::async ($_, 0), @POST_INIT;
		460	@POST_INIT = ();
		461
		462	@join or last;
		463
		464	(pop @join)->join;
		465	}
		466	}
265		467
266	=item cf::lock_wait $string	468	=item cf::lock_wait $string
267		469
268	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
269		471
270	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
271		473
272	Wait until the given lock is available and then acquires it and returns	474	Wait until the given lock is available and then acquires it and returns
273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	475	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
274	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
275	returned.	477	returned.
276		478
277	Locks are *not* recursive, locking from the same coro twice results in a	479	Locks are *not* recursive, locking from the same coro twice results in a
278	deadlocked coro.	480	deadlocked coro.
…		…
284		486
285	Return true if the lock is currently active, i.e. somebody has locked it.	487	Return true if the lock is currently active, i.e. somebody has locked it.
286		488
287	=cut	489	=cut
288		490
289	our %LOCK;	491	our $LOCKS = new Coro::SemaphoreSet;
290		492
291	sub lock_wait($) {	493	sub lock_wait($) {
292	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
293
294	# wait for lock, if any
295	while ($LOCK{$key}) {
296	push @{ $LOCK{$key} }, $Coro::current;
297	Coro::schedule;
298	}
299	}	495	}
300		496
301	sub lock_acquire($) {	497	sub lock_acquire($) {
302	my ($key) = @_;	498	$LOCKS->guard ($_[0])
303
304	# wait, to be sure we are not locked
305	lock_wait $key;
306
307	$LOCK{$key} = [];
308
309	Coro::guard {
310	# wake up all waiters, to be on the safe side
311	$_->ready for @{ delete $LOCK{$key} };
312	}
313	}	499	}
314		500
315	sub lock_active($) {	501	sub lock_active($) {
316	my ($key) = @_;	502	$LOCKS->count ($_[0]) < 1
317
318	! ! $LOCK{$key}
319	}	503	}
320		504
321	sub freeze_mainloop {	505	sub freeze_mainloop {
322	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
323		507
324	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
325	$TICK_WATCHER->start;	509	}
326	};	510
327	$TICK_WATCHER->stop;	511	=item cf::periodic $interval, $cb
328	$guard	512
		513	Like EV::periodic, but randomly selects a starting point so that the actions
		514	get spread over time.
		515
		516	=cut
		517
		518	sub periodic($$) {
		519	my ($interval, $cb) = @_;
		520
		521	my $start = rand List::Util::min 180, $interval;
		522
		523	EV::periodic $start, $interval, 0, $cb
329	}	524	}
330		525
331	=item cf::get_slot $time[, $priority[, $name]]	526	=item cf::get_slot $time[, $priority[, $name]]
332		527
333	Allocate $time seconds of blocking CPU time at priority C<$priority>:	528	Allocate $time seconds of blocking CPU time at priority C<$priority>
334	This call blocks and returns only when you have at least C<$time> seconds	529	(default: 0): This call blocks and returns only when you have at least
335	of cpu time till the next tick. The slot is only valid till the next cede.	530	C<$time> seconds of cpu time till the next tick. The slot is only valid
		531	till the next cede.
		532
		533	Background jobs should use a priority les than zero, interactive jobs
		534	should use 100 or more.
336		535
337	The optional C<$name> can be used to identify the job to run. It might be	536	The optional C<$name> can be used to identify the job to run. It might be
338	used for statistical purposes and should identify the same time-class.	537	used for statistical purposes and should identify the same time-class.
339		538
340	Useful for short background jobs.	539	Useful for short background jobs.
341		540
342	=cut	541	=cut
343		542
344	our @SLOT_QUEUE;	543	our @SLOT_QUEUE;
345	our $SLOT_QUEUE;	544	our $SLOT_QUEUE;
		545	our $SLOT_DECAY = 0.9;
346		546
347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	547	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
348	$SLOT_QUEUE = Coro::async {	548	$SLOT_QUEUE = Coro::async {
		549	$Coro::current->desc ("timeslot manager");
		550
349	my $signal = new Coro::Signal;	551	my $signal = new Coro::Signal;
		552	my $busy;
350		553
351	while () {	554	while () {
352	next_job:	555	next_job:
		556
353	my $avail = cf::till_tick;	557	my $avail = cf::till_tick;
354	if ($avail > 0.01) {	558
355	for (0 .. $#SLOT_QUEUE) {	559	for (0 .. $#SLOT_QUEUE) {
356	if ($SLOT_QUEUE[$_][0] < $avail) {	560	if ($SLOT_QUEUE[$_][0] <= $avail) {
		561	$busy = 0;
357	my $job = splice @SLOT_QUEUE, $_, 1, ();	562	my $job = splice @SLOT_QUEUE, $_, 1, ();
358	$job->[2]->send;	563	$job->[2]->send;
359	Coro::cede;	564	Coro::cede;
360	goto next_job;	565	goto next_job;
361	}	566	} else {
		567	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
362	}	568	}
363	}	569	}
364		570
365	if (@SLOT_QUEUE) {	571	if (@SLOT_QUEUE) {
366	# we do not use wait_For_tick() as it returns immediately when tick is inactive	572	# we do not use wait_for_tick() as it returns immediately when tick is inactive
367	push @cf::WAIT_FOR_TICK, $signal;	573	$WAIT_FOR_TICK->wait;
368	$signal->wait;
369	} else {	574	} else {
		575	$busy = 0;
370	Coro::schedule;	576	Coro::schedule;
371	}	577	}
372	}	578	}
373	};	579	};
374		580
375	sub get_slot($;$$) {	581	sub get_slot($;$$) {
		582	return if tick_inhibit || $Coro::current == $Coro::main;
		583
376	my ($time, $pri, $name) = @_;	584	my ($time, $pri, $name) = @_;
377		585
378	$time = $TICK * .6 if $time > $TICK * .6;	586	$time = clamp $time, 0.01, $TICK * .6;
		587
379	my $sig = new Coro::Signal;	588	my $sig = new Coro::Signal;
380		589
381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	590	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	591	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
383	$SLOT_QUEUE->ready;	592	$SLOT_QUEUE->ready;
…		…
394		603
395	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
396		605
397	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
398		607
399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	608	The design of Deliantra requires that the main coroutine ($Coro::main)
400	is always able to handle events or runnable, as Crossfire TRT is only	609	is always able to handle events or runnable, as Deliantra is only
401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	610	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
402	acceptable.	611	acceptable.
403		612
404	If it must be done, put the blocking parts into C<sync_job>. This will run	613	If it must be done, put the blocking parts into C<sync_job>. This will run
405	the given BLOCK in another coroutine while waiting for the result. The	614	the given BLOCK in another coroutine while waiting for the result. The
…		…
409	=cut	618	=cut
410		619
411	sub sync_job(&) {	620	sub sync_job(&) {
412	my ($job) = @_;	621	my ($job) = @_;
413		622
414	if ($Coro::current == $Coro::main) {	623	if (in_main) {
415	my $time = Event::time;	624	my $time = AE::time;
416		625
417	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
418	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
419		628
420	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
421	# (but this is cancel-safe)	630
422	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
423		632
424	my $busy = 1;	633	my $busy = 1;
425	my @res;	634	my @res;
426		635
427	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
428	@res = eval { $job->() };	638	@res = eval { $job->() };
429	warn $@ if $@;	639	error $@ if $@;
430	undef $busy;	640	undef $busy;
431	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
432		642
433	while ($busy) {	643	while ($busy) {
434	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
435	}	648	}
		649	}
436		650
437	$time = Event::time - $time;	651	my $time = AE::time - $time;
438		652
439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
441
442	$tick_start += $time; # do not account sync jobs to server load	653	$TICK_START += $time; # do not account sync jobs to server load
443		654
444	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
445	} else {	656	} else {
446	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
447		658
…		…
467	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
468		679
469	$coro	680	$coro
470	}	681	}
471		682
472	=item fork_call { }, $args	683	=item fork_call { }, @args
473		684
474	Executes the given code block with the given arguments in a seperate	685	Executes the given code block with the given arguments in a seperate
475	process, returning the results. Everything must be serialisable with	686	process, returning the results. Everything must be serialisable with
476	Coro::Storable. May, of course, block. Note that the executed sub may	687	Coro::Storable. May, of course, block. Note that the executed sub may
477	never block itself or use any form of Event handling.	688	never block itself or use any form of event handling.
478		689
479	=cut	690	=cut
		691
		692	sub post_fork {
		693	reset_signals;
		694	}
480		695
481	sub fork_call(&@) {	696	sub fork_call(&@) {
482	my ($cb, @args) = @_;	697	my ($cb, @args) = @_;
483		698
484	# we seemingly have to make a local copy of the whole thing,	699	# we seemingly have to make a local copy of the whole thing,
485	# otherwise perl prematurely frees the stuff :/	700	# otherwise perl prematurely frees the stuff :/
486	# TODO: investigate and fix (liekly this will be rather laborious)	701	# TODO: investigate and fix (likely this will be rather laborious)
487		702
488	my @res = Coro::Util::fork_eval {	703	my @res = Coro::Util::fork_eval {
489	reset_signals;	704	cf::post_fork;
490	&$cb	705	&$cb
491	}, @args;	706	} @args;
492		707
493	wantarray ? @res : $res[-1]	708	wantarray ? @res : $res[-1]
		709	}
		710
		711	sub objinfo {
		712	(
		713	"counter value" => cf::object::object_count,
		714	"objects created" => cf::object::create_count,
		715	"objects destroyed" => cf::object::destroy_count,
		716	"freelist size" => cf::object::free_count,
		717	"allocated objects" => cf::object::objects_size,
		718	"active objects" => cf::object::actives_size,
		719	)
		720	}
		721
		722	=item $coin = coin_from_name $name
		723
		724	=cut
		725
		726	our %coin_alias = (
		727	"silver" => "silvercoin",
		728	"silvercoin" => "silvercoin",
		729	"silvercoins" => "silvercoin",
		730	"gold" => "goldcoin",
		731	"goldcoin" => "goldcoin",
		732	"goldcoins" => "goldcoin",
		733	"platinum" => "platinacoin",
		734	"platinumcoin" => "platinacoin",
		735	"platinumcoins" => "platinacoin",
		736	"platina" => "platinacoin",
		737	"platinacoin" => "platinacoin",
		738	"platinacoins" => "platinacoin",
		739	"royalty" => "royalty",
		740	"royalties" => "royalty",
		741	);
		742
		743	sub coin_from_name($) {
		744	$coin_alias{$_[0]}
		745	? cf::arch::find $coin_alias{$_[0]}
		746	: undef
494	}	747	}
495		748
496	=item $value = cf::db_get $family => $key	749	=item $value = cf::db_get $family => $key
497		750
498	Returns a single value from the environment database.	751	Returns a single value from the environment database.
…		…
500	=item cf::db_put $family => $key => $value	753	=item cf::db_put $family => $key => $value
501		754
502	Stores the given C<$value> in the family. It can currently store binary	755	Stores the given C<$value> in the family. It can currently store binary
503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	756	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
504		757
		758	=item $db = cf::db_table "name"
		759
		760	Create and/or open a new database table. The string must not be "db" and must be unique
		761	within each server.
		762
505	=cut	763	=cut
		764
		765	sub db_table($) {
		766	cf::error "db_get called from main context"
		767	if $Coro::current == $Coro::main;
		768
		769	my ($name) = @_;
		770	my $db = BDB::db_create $DB_ENV;
		771
		772	eval {
		773	$db->set_flags (BDB::CHKSUM);
		774
		775	utf8::encode $name;
		776	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		777	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		778	cf::cleanup "db_open(db): $!" if $!;
		779	};
		780	cf::cleanup "db_open(db): $@" if $@;
		781
		782	$db
		783	}
506		784
507	our $DB;	785	our $DB;
508		786
509	sub db_init {	787	sub db_init {
510	unless ($DB) {	788	$DB ||= db_table "db";
511	$DB = BDB::db_create $DB_ENV;
512
513	cf::sync_job {
514	eval {
515	$DB->set_flags (BDB::CHKSUM);
516
517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
519	cf::cleanup "db_open(db): $!" if $!;
520	};
521	cf::cleanup "db_open(db): $@" if $@;
522	};
523	}
524	}	789	}
525		790
526	sub db_get($$) {	791	sub db_get($$) {
527	my $key = "$_[0]/$_[1]";	792	my $key = "$_[0]/$_[1]";
528		793
529	cf::sync_job {	794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
530	BDB::db_get $DB, undef, $key, my $data;	797	BDB::db_get $DB, undef, $key, my $data;
531		798
532	$! ? ()	799	$! ? ()
533	: $data	800	: $data
534	}
535	}	801	}
536		802
537	sub db_put($$$) {	803	sub db_put($$$) {
538	BDB::dbreq_pri 4;	804	BDB::dbreq_pri 4;
539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
567		833
568	my @data;	834	my @data;
569	my $md5;	835	my $md5;
570		836
571	for (0 .. $#$src) {	837	for (0 .. $#$src) {
572	0 <= aio_load $src->[$_], $data[$_]	838	$data[$_] = load_file $src->[$_];
573	or Carp::croak "$src->[$_]: $!";
574	}	839	}
575		840
576	# if processing is expensive, check	841	# if processing is expensive, check
577	# checksum first	842	# checksum first
578	if (1) {	843	if (1) {
…		…
595		860
596	my $t1 = Time::HiRes::time;	861	my $t1 = Time::HiRes::time;
597	my $data = $process->(\@data);	862	my $data = $process->(\@data);
598	my $t2 = Time::HiRes::time;	863	my $t2 = Time::HiRes::time;
599		864
600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
601		866
602	db_put cache => "$id/data", $data;	867	db_put cache => "$id/data", $data;
603	db_put cache => "$id/md5" , $md5;	868	db_put cache => "$id/md5" , $md5;
604	db_put cache => "$id/meta", $meta;	869	db_put cache => "$id/meta", $meta;
605		870
…		…
615		880
616	=cut	881	=cut
617		882
618	sub datalog($@) {	883	sub datalog($@) {
619	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
620	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
621	}	886	}
622		887
623	=back	888	=back
624		889
625	=cut	890	=cut
626		891
627	#############################################################################	892	#############################################################################
628		893
629	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
630		895
631	Many objects in crossfire are so-called attachable objects. That means you can	896	Many objects in deliantra are so-called attachable objects. That means you can
632	attach callbacks/event handlers (a collection of which is called an "attachment")	897	attach callbacks/event handlers (a collection of which is called an "attachment")
633	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
634		899
635	In the following description, CLASS can be any of C<global>, C<object>	900	In the following description, CLASS can be any of C<global>, C<object>
636	C<player>, C<client> or C<map> (i.e. the attachable objects in	901	C<player>, C<client> or C<map> (i.e. the attachable objects in
637	Crossfire TRT).	902	Deliantra).
638		903
639	=over 4	904	=over 4
640		905
641	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
642		907
…		…
686	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
687		952
688	Register an attachment by C<$name> through which attachable objects of the	953	Register an attachment by C<$name> through which attachable objects of the
689	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
690		955
691	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
692	that are attached at load/instantiate time, thus the need for a name.	957	that are attached at load/instantiate time, thus the need for a name.
693		958
694	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
695		960
696	=over 4	961	=over 4
…		…
820		1085
821	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
822	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
823		1088
824	} elsif (ref $type) {	1089	} elsif (ref $type) {
825	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
826		1091
827	} else {	1092	} else {
828	shift @arg;	1093	shift @arg;
829	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
830	}	1095	}
831	}	1096	}
832	}	1097	}
833		1098
834	sub _object_attach {	1099	sub _object_attach {
…		…
844	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
845	}	1110	}
846		1111
847	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
848	} else {	1113	} else {
849	warn "object uses attachment '$name' which is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
850	}	1115	}
851		1116
852	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
853	}	1118	}
854		1119
…		…
913		1178
914	for (@$callbacks) {	1179	for (@$callbacks) {
915	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
916		1181
917	if ($@) {	1182	if ($@) {
918	warn "$@";
919	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
920	override;	1184	override;
921	}	1185	}
922		1186
923	return 1 if $override;	1187	return 1 if $override;
924	}	1188	}
925		1189
926	0	1190	0
927	}	1191	}
928		1192
929	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
930		1194
931	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
932		1196
933	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
934		1198
…		…
940		1204
941	=cut	1205	=cut
942		1206
943	#############################################################################	1207	#############################################################################
944	# object support	1208	# object support
945	#
946		1209
		1210	sub _object_equal($$);
		1211	sub _object_equal($$) {
		1212	my ($a, $b) = @_;
		1213
		1214	return 0 unless (ref $a) eq (ref $b);
		1215
		1216	if ("HASH" eq ref $a) {
		1217	my @ka = keys %$a;
		1218	my @kb = keys %$b;
		1219
		1220	return 0 if @ka != @kb;
		1221
		1222	for (0 .. $#ka) {
		1223	return 0 unless $ka[$_] eq $kb[$_];
		1224	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1225	}
		1226
		1227	} elsif ("ARRAY" eq ref $a) {
		1228
		1229	return 0 if @$a != @$b;
		1230
		1231	for (0 .. $#$a) {
		1232	return 0 unless _object_equal $a->[$_], $b->[$_];
		1233	}
		1234
		1235	} elsif ($a ne $b) {
		1236	return 0;
		1237	}
		1238
		1239	1
		1240	}
		1241
		1242	our $SLOW_MERGES;#d#
947	sub _can_merge {	1243	sub _can_merge {
948	my ($ob1, $ob2) = @_;	1244	my ($ob1, $ob2) = @_;
949		1245
950	local $Storable::canonical = 1;	1246	++$SLOW_MERGES;#d#
951	my $fob1 = Storable::freeze $ob1;
952	my $fob2 = Storable::freeze $ob2;
953		1247
954	$fob1 eq $fob2	1248	# we do the slow way here
		1249	return _object_equal $ob1, $ob2
955	}	1250	}
956		1251
957	sub reattach {	1252	sub reattach {
958	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
959	my ($obj) = @_;	1254	my ($obj) = @_;
960		1255
		1256	# no longer needed after getting rid of delete_package?
961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1257	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
962		1258
963	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
964		1260
965	@$registry = ();	1261	@$registry = ();
966		1262
…		…
971	for (@$attach) {	1267	for (@$attach) {
972	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
973	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
974	}	1270	}
975	} else {	1271	} else {
976	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
977	}	1273	}
978	}	1274	}
979	}	1275	}
980		1276
981	cf::attachable->attach (	1277	cf::attachable->attach (
982	prio => -1000000,	1278	prio => -1000000,
983	on_instantiate => sub {	1279	on_instantiate => sub {
984	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
985		1281
986	$data = from_json $data;	1282	$data = decode_json $data;
987		1283
988	for (@$data) {	1284	for (@$data) {
989	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
990		1286
991	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
1007	sub object_freezer_save {	1303	sub object_freezer_save {
1008	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
1009		1305
1010	sync_job {	1306	sync_job {
1011	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
1012	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
1013	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
1014		1312
1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1016	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1018	aio_fsync $fh if $cf::USE_FSYNC;	1316	if ($cf::USE_FSYNC) {
		1317	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;
		1318	aio_fsync $fh;
		1319	}
1019	close $fh;	1320	aio_close $fh;
1020		1321
1021	if (@$objs) {	1322	if (@$objs) {
1022	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1323	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1023	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
1024	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1025	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
1026	aio_fsync $fh if $cf::USE_FSYNC;	1327	if ($cf::USE_FSYNC) {
		1328	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;
		1329	aio_fsync $fh;
		1330	}
1027	close $fh;	1331	aio_close $fh;
1028	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
1029	}	1333	}
1030	} else {	1334	} else {
1031	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
1032	}	1336	}
1033		1337
1034	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
1035	} else {	1342	} else {
1036	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
1037	}	1344	}
1038	} else {	1345	} else {
1039	aio_unlink $filename;	1346	aio_unlink $filename;
1040	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
1041	}	1348	}
1042	}	1349	};
1043	}	1350	}
1044		1351
1045	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
1046	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
1047		1354
…		…
1059	or return;	1366	or return;
1060		1367
1061	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
1062	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
1063	or return;	1370	or return;
		1371
1064	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
1065	}	1374	}
1066		1375
		1376	utf8::decode (my $decname = $filename);
1067	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
1068	$filename, length $data, scalar @{$av || []};	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
1069	return ($data, $av);	1381	($data, $av)
1070	}	1382	}
1071		1383
1072	=head2 COMMAND CALLBACKS	1384	=head2 COMMAND CALLBACKS
1073		1385
1074	=over 4	1386	=over 4
…		…
1128	my ($name, $cb) = @_;	1440	my ($name, $cb) = @_;
1129		1441
1130	$EXTICMD{$name} = $cb;	1442	$EXTICMD{$name} = $cb;
1131	}	1443	}
1132		1444
		1445	use File::Glob ();
		1446
1133	cf::player->attach (	1447	cf::player->attach (
1134	on_command => sub {	1448	on_unknown_command => sub {
1135	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
1136		1450
1137	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
1138	or return;	1452	or return;
1139		1453
…		…
1147	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
1148		1462
1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1150		1464
1151	if (ref $msg) {	1465	if (ref $msg) {
1152	my ($type, $reply, @payload) =	1466	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1153	"ARRAY" eq ref $msg
1154	? @$msg
1155	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1156		1467
1157	my @reply;	1468	my @reply;
1158		1469
1159	if (my $cb = $EXTCMD{$type}) {	1470	if (my $cb = $EXTCMD{$type}) {
1160	@reply = $cb->($pl, @payload);	1471	@reply = $cb->($pl, @payload);
…		…
1162		1473
1163	$pl->ext_reply ($reply, @reply)	1474	$pl->ext_reply ($reply, @reply)
1164	if $reply;	1475	if $reply;
1165		1476
1166	} else {	1477	} else {
1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1478	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1168	}	1479	}
1169		1480
1170	cf::override;	1481	cf::override;
1171	},	1482	},
1172	);	1483	);
1173		1484
		1485	# "readahead" all extensions
		1486	sub cache_extensions {
		1487	my $grp = IO::AIO::aio_group;
		1488
		1489	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1490	for (grep /\.ext$/, @{$_[0]}) {
		1491	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1492	}
		1493	};
		1494
		1495	$grp
		1496	}
		1497
1174	sub load_extensions {	1498	sub load_extensions {
		1499	info "loading extensions...";
		1500
1175	cf::sync_job {	1501	cf::sync_job {
1176	my %todo;	1502	my %todo;
1177		1503
1178	for my $path (<$LIBDIR/*.ext>) {	1504	for my $path (<$LIBDIR/*.ext>) {
1179	next unless -r $path;	1505	next unless -r $path;
…		…
1197		1523
1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1524	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1525	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1200		1526
1201	$ext{source} =	1527	$ext{source} =
1202	"package $pkg; use strict; use utf8;\n"	1528	"package $pkg; use common::sense;\n"
1203	. "#line 1 \"$path\"\n{\n"	1529	. "#line 1 \"$path\"\n{\n"
1204	. $source	1530	. $source
1205	. "\n};\n1";	1531	. "\n};\n1";
1206		1532
1207	$todo{$base} = \%ext;	1533	$todo{$base} = \%ext;
1208	}	1534	}
1209		1535
		1536	my $pass = 0;
1210	my %done;	1537	my %done;
1211	while (%todo) {	1538	while (%todo) {
1212	my $progress;	1539	my $progress;
1213		1540
		1541	++$pass;
		1542
		1543	ext:
1214	while (my ($k, $v) = each %todo) {	1544	while (my ($k, $v) = each %todo) {
1215	for (split /,\s*/, $v->{meta}{depends}) {	1545	for (split /,\s*/, $v->{meta}{depends}) {
1216	goto skip	1546	next ext
1217	unless exists $done{$_};	1547	unless exists $done{$_};
1218	}	1548	}
1219		1549
1220	warn "... loading '$k' into '$v->{pkg}'\n";	1550	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1221		1551
1222	unless (eval $v->{source}) {	1552	my $active = eval $v->{source};
		1553
		1554	if (length $@) {
1223	my $msg = $@ ? "$v->{path}: $@\n"	1555	error "$v->{path}: $@\n";
1224	: "$v->{base}: extension inactive.\n";
1225		1556
		1557	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1226	if (exists $v->{meta}{mandatory}) {	1558	if exists $v->{meta}{mandatory};
1227	warn $msg;	1559
1228	warn "mandatory extension failed to load, exiting.\n";	1560	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1229	exit 1;	1561	delete $todo{$k};
1230	}	1562	} else {
1231		1563	$done{$k} = delete $todo{$k};
1232	warn $msg;	1564	push @EXTS, $v->{pkg};
		1565	$progress = 1;
		1566
		1567	info "$v->{base}: extension inactive.\n"
		1568	unless $active;
1233	}	1569	}
1234
1235	$done{$k} = delete $todo{$k};
1236	push @EXTS, $v->{pkg};
1237	$progress = 1;
1238	}	1570	}
1239		1571
1240	skip:	1572	unless ($progress) {
1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1573	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1242	unless $progress;	1574
		1575	while (my ($k, $v) = each %todo) {
		1576	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1577	if exists $v->{meta}{mandatory};
		1578	}
		1579
		1580	last;
		1581	}
1243	}	1582	}
1244	};	1583	};
1245	}	1584	}
1246		1585
1247	#############################################################################	1586	#############################################################################
1248		1587
1249	=back	1588	=back
1250		1589
1251	=head2 CORE EXTENSIONS	1590	=head2 CORE EXTENSIONS
1252		1591
1253	Functions and methods that extend core crossfire objects.	1592	Functions and methods that extend core deliantra objects.
1254		1593
1255	=cut	1594	=cut
1256		1595
1257	package cf::player;	1596	package cf::player;
1258		1597
1259	use Coro::AIO;	1598	use Coro::AIO;
1260		1599
1261	=head3 cf::player	1600	=head3 cf::player
1262		1601
1263	=over 4	1602	=over 4
		1603
		1604	=item cf::player::num_playing
		1605
		1606	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1607
		1608	=cut
		1609
		1610	sub num_playing {
		1611	scalar grep
		1612	$_->ob->map
		1613	&& !$_->hidden
		1614	&& !$_->ob->flag (cf::FLAG_WIZ),
		1615	cf::player::list
		1616	}
1264		1617
1265	=item cf::player::find $login	1618	=item cf::player::find $login
1266		1619
1267	Returns the given player object, loading it if necessary (might block).	1620	Returns the given player object, loading it if necessary (might block).
1268		1621
…		…
1287		1640
1288	sub exists($) {	1641	sub exists($) {
1289	my ($login) = @_;	1642	my ($login) = @_;
1290		1643
1291	$cf::PLAYER{$login}	1644	$cf::PLAYER{$login}
1292	or cf::sync_job { !aio_stat path $login }	1645	or !aio_stat path $login
1293	}	1646	}
1294		1647
1295	sub find($) {	1648	sub find($) {
1296	return $cf::PLAYER{$_[0]} || do {	1649	return $cf::PLAYER{$_[0]} || do {
1297	my $login = $_[0];	1650	my $login = $_[0];
…		…
1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1657	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1658	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1659	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1307	aio_unlink +(playerdir $login) . "/$login.pl";	1660	aio_unlink +(playerdir $login) . "/$login.pl";
1308		1661
1309	my $pl = load_pl path $login	1662	my $f = new_from_file cf::object::thawer path $login
1310	or return;	1663	or return;
		1664
		1665	my $pl = cf::player::load_pl $f
		1666	or return;
		1667
		1668	local $cf::PLAYER_LOADING{$login} = $pl;
		1669	$f->resolve_delayed_derefs;
1311	$cf::PLAYER{$login} = $pl	1670	$cf::PLAYER{$login} = $pl
1312	}	1671	}
1313	}	1672	}
1314	}	1673	}
		1674
		1675	cf::player->attach (
		1676	on_load => sub {
		1677	my ($pl, $path) = @_;
		1678
		1679	# restore slots saved in save, below
		1680	my $slots = delete $pl->{_slots};
		1681
		1682	$pl->ob->current_weapon ($slots->[0]);
		1683	$pl->combat_ob ($slots->[1]);
		1684	$pl->ranged_ob ($slots->[2]);
		1685	},
		1686	);
1315		1687
1316	sub save($) {	1688	sub save($) {
1317	my ($pl) = @_;	1689	my ($pl) = @_;
1318		1690
1319	return if $pl->{deny_save};	1691	return if $pl->{deny_save};
…		…
1323		1695
1324	return if $pl->{deny_save};	1696	return if $pl->{deny_save};
1325		1697
1326	aio_mkdir playerdir $pl, 0770;	1698	aio_mkdir playerdir $pl, 0770;
1327	$pl->{last_save} = $cf::RUNTIME;	1699	$pl->{last_save} = $cf::RUNTIME;
		1700
		1701	cf::get_slot 0.01;
		1702
		1703	# save slots, to be restored later
		1704	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1328		1705
1329	$pl->save_pl ($path);	1706	$pl->save_pl ($path);
1330	cf::cede_to_tick;	1707	cf::cede_to_tick;
1331	}	1708	}
1332		1709
…		…
1364	my ($pl) = @_;	1741	my ($pl) = @_;
1365		1742
1366	my $name = $pl->ob->name;	1743	my $name = $pl->ob->name;
1367		1744
1368	$pl->{deny_save} = 1;	1745	$pl->{deny_save} = 1;
1369	$pl->password ("*"); # this should lock out the player until we nuked the dir	1746	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1370		1747
1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1748	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1372	$pl->deactivate;	1749	$pl->deactivate;
		1750
		1751	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1373	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1752	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1753	ext::highscore::check ($pl->ob);
		1754
1374	$pl->ns->destroy if $pl->ns;	1755	$pl->ns->destroy if $pl->ns;
1375		1756
1376	my $path = playerdir $pl;	1757	my $path = playerdir $pl;
1377	my $temp = "$path~$cf::RUNTIME~deleting~";	1758	my $temp = "$path~$cf::RUNTIME~deleting~";
1378	aio_rename $path, $temp;	1759	aio_rename $path, $temp;
…		…
1413	or return [];	1794	or return [];
1414		1795
1415	my @logins;	1796	my @logins;
1416		1797
1417	for my $login (@$dirs) {	1798	for my $login (@$dirs) {
		1799	my $path = path $login;
		1800
		1801	# a .pst is a dead give-away for a valid player
		1802	# if no pst file found, open and chekc for blocked users
		1803	if (aio_stat "$path.pst") {
1418	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1804	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1419	aio_read $fh, 0, 512, my $buf, 0 or next;	1805	aio_read $fh, 0, 512, my $buf, 0 or next;
1420	$buf !~ /^password -------------$/m or next; # official not-valid tag	1806	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1807	}
1421		1808
1422	utf8::decode $login;	1809	utf8::decode $login;
1423	push @logins, $login;	1810	push @logins, $login;
1424	}	1811	}
1425		1812
1426	\@logins	1813	\@logins
1427	}	1814	}
1428		1815
1429	=item $player->maps	1816	=item $player->maps
		1817
		1818	=item cf::player::maps $login
1430		1819
1431	Returns an arrayref of map paths that are private for this	1820	Returns an arrayref of map paths that are private for this
1432	player. May block.	1821	player. May block.
1433		1822
1434	=cut	1823	=cut
…		…
1452	}	1841	}
1453		1842
1454	\@paths	1843	\@paths
1455	}	1844	}
1456		1845
1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1846	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1458		1847
1459	Expand crossfire pod fragments into protocol xml.	1848	Expand deliantra pod fragments into protocol xml.
1460
1461	=cut
1462
1463	sub expand_cfpod {
1464	((my $self), (local $_)) = @_;
1465
1466	# escape & and <
1467	s/&/&amp;/g;
1468	s/(?<![BIUGH])</&lt;/g;
1469
1470	# this is buggy, it needs to properly take care of nested <'s
1471
1472	1 while
1473	# replace B<>, I<>, U<> etc.
1474	s/B<([^\>]*)>/<b>$1<\/b>/
1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
1477	# replace G<male|female> tags
1478	|| s{G<([^>|]*)\|([^>]*)>}{
1479	$self->gender ? $2 : $1
1480	}ge
1481	# replace H<hint text>
1482	|| s{H<([^\>]*)>}
1483	{
1484	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1485	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1486	"")
1487	[$self->{hintmode}]
1488	}ge;
1489
1490	# create single paragraphs (very hackish)
1491	s/(?<=\S)\n(?=\w)/ /g;
1492
1493	# compress some whitespace
1494	s/\s+\n/\n/g; # ws line-ends
1495	s/\n\n+/\n/g; # double lines
1496	s/^\n+//; # beginning lines
1497	s/\n+$//; # ending lines
1498
1499	$_
1500	}
1501
1502	sub hintmode {
1503	$_[0]{hintmode} = $_[1] if @_ > 1;
1504	$_[0]{hintmode}
1505	}
1506		1849
1507	=item $player->ext_reply ($msgid, @msg)	1850	=item $player->ext_reply ($msgid, @msg)
1508		1851
1509	Sends an ext reply to the player.	1852	Sends an ext reply to the player.
1510		1853
…		…
1542		1885
1543	=cut	1886	=cut
1544		1887
1545	sub find_by_path($) {	1888	sub find_by_path($) {
1546	my ($path) = @_;	1889	my ($path) = @_;
		1890
		1891	$path =~ s/^~[^\/]*//; # skip ~login
1547		1892
1548	my ($match, $specificity);	1893	my ($match, $specificity);
1549		1894
1550	for my $region (list) {	1895	for my $region (list) {
1551	if ($region->{match} && $path =~ $region->{match}) {	1896	if ($region->{match} && $path =~ $region->{match}) {
…		…
1577	our $MAX_RESET = 3600;	1922	our $MAX_RESET = 3600;
1578	our $DEFAULT_RESET = 3000;	1923	our $DEFAULT_RESET = 3000;
1579		1924
1580	sub generate_random_map {	1925	sub generate_random_map {
1581	my ($self, $rmp) = @_;	1926	my ($self, $rmp) = @_;
1582	# mit "rum" bekleckern, nicht	1927
		1928	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1929
1583	$self->_create_random_map (	1930	$self->_create_random_map ($rmp);
1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1587	$rmp->{exit_on_final_map},
1588	$rmp->{xsize}, $rmp->{ysize},
1589	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1590	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1591	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1592	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1593	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1594	(cf::region::find $rmp->{region}), $rmp->{custom}
1595	)
1596	}	1931	}
1597		1932
1598	=item cf::map->register ($regex, $prio)	1933	=item cf::map->register ($regex, $prio)
1599		1934
1600	Register a handler for the map path matching the given regex at the	1935	Register a handler for the map path matching the given regex at the
…		…
1605		1940
1606	sub register {	1941	sub register {
1607	my (undef, $regex, $prio) = @_;	1942	my (undef, $regex, $prio) = @_;
1608	my $pkg = caller;	1943	my $pkg = caller;
1609		1944
1610	no strict;
1611	push @{"$pkg\::ISA"}, __PACKAGE__;	1945	push @{"$pkg\::ISA"}, __PACKAGE__;
1612		1946
1613	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1947	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1614	}	1948	}
1615		1949
1616	# also paths starting with '/'	1950	# also paths starting with '/'
1617	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1951	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1618		1952
1619	sub thawer_merge {	1953	sub thawer_merge {
1620	my ($self, $merge) = @_;	1954	my ($self, $merge) = @_;
1621		1955
1622	# we have to keep some variables in memory intact	1956	# we have to keep some variables in memory intact
…		…
1627	}	1961	}
1628		1962
1629	sub normalise {	1963	sub normalise {
1630	my ($path, $base) = @_;	1964	my ($path, $base) = @_;
1631		1965
1632	$path = "$path"; # make sure its a string	1966	$path = "$path"; # make sure it's a string
1633		1967
1634	$path =~ s/\.map$//;	1968	$path =~ s/\.map$//;
1635		1969
1636	# map plan:	1970	# map plan:
1637	#	1971	#
…		…
1652	$base =~ s{[^/]+/?$}{};	1986	$base =~ s{[^/]+/?$}{};
1653	$path = "$base/$path";	1987	$path = "$base/$path";
1654	}	1988	}
1655		1989
1656	for ($path) {	1990	for ($path) {
1657	redo if s{//}{/};
1658	redo if s{/\.?/}{/};	1991	redo if s{/\.?/}{/};
1659	redo if s{/[^/]+/\.\./}{/};	1992	redo if s{/[^/]+/\.\./}{/};
1660	}	1993	}
1661		1994
1662	$path	1995	$path
…		…
1676	$self->init; # pass $1 etc.	2009	$self->init; # pass $1 etc.
1677	return $self;	2010	return $self;
1678	}	2011	}
1679	}	2012	}
1680		2013
1681	Carp::cluck "unable to resolve path '$path' (base '$base').";	2014	Carp::cluck "unable to resolve path '$path' (base '$base')";
1682	()	2015	()
1683	}	2016	}
1684		2017
		2018	# may re-bless or do other evil things
1685	sub init {	2019	sub init {
1686	my ($self) = @_;	2020	my ($self) = @_;
1687		2021
1688	$self	2022	$self
1689	}	2023	}
…		…
1708		2042
1709	# the temporary/swap location	2043	# the temporary/swap location
1710	sub save_path {	2044	sub save_path {
1711	my ($self) = @_;	2045	my ($self) = @_;
1712		2046
1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2047	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1714	"$TMPDIR/$path.map"	2048	"$TMPDIR/$path.map"
1715	}	2049	}
1716		2050
1717	# the unique path, undef == no special unique path	2051	# the unique path, undef == no special unique path
1718	sub uniq_path {	2052	sub uniq_path {
1719	my ($self) = @_;	2053	my ($self) = @_;
1720		2054
1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2055	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1722	"$UNIQUEDIR/$path"	2056	"$UNIQUEDIR/$path"
1723	}
1724
1725	# and all this just because we cannot iterate over
1726	# all maps in C++...
1727	sub change_all_map_light {
1728	my ($change) = @_;
1729
1730	$_->change_map_light ($change)
1731	for grep $_->outdoor, values %cf::MAP;
1732	}	2057	}
1733		2058
1734	sub decay_objects {	2059	sub decay_objects {
1735	my ($self) = @_;	2060	my ($self) = @_;
1736		2061
…		…
1749		2074
1750	sub load_header_from($) {	2075	sub load_header_from($) {
1751	my ($self, $path) = @_;	2076	my ($self, $path) = @_;
1752		2077
1753	utf8::encode $path;	2078	utf8::encode $path;
1754	#aio_open $path, O_RDONLY, 0	2079	my $f = new_from_file cf::object::thawer $path
1755	# or return;
1756
1757	$self->_load_header ($path)
1758	or return;	2080	or return;
1759		2081
		2082	$self->_load_header ($f)
		2083	or return;
		2084
		2085	local $MAP_LOADING{$self->{path}} = $self;
		2086	$f->resolve_delayed_derefs;
		2087
1760	$self->{load_path} = $path;	2088	$self->{load_path} = $path;
1761		2089
1762	1	2090	1
1763	}	2091	}
1764		2092
		2093	# used to laod the header of an original map
1765	sub load_header_orig {	2094	sub load_header_orig {
1766	my ($self) = @_;	2095	my ($self) = @_;
1767		2096
1768	$self->load_header_from ($self->load_path)	2097	$self->load_header_from ($self->load_path)
1769	}	2098	}
1770		2099
		2100	# used to laod the header of an instantiated map
1771	sub load_header_temp {	2101	sub load_header_temp {
1772	my ($self) = @_;	2102	my ($self) = @_;
1773		2103
1774	$self->load_header_from ($self->save_path)	2104	$self->load_header_from ($self->save_path)
1775	}	2105	}
1776		2106
		2107	# called after loading the header from an instantiated map
1777	sub prepare_temp {	2108	sub prepare_temp {
1778	my ($self) = @_;	2109	my ($self) = @_;
1779		2110
1780	$self->last_access ((delete $self->{last_access})	2111	$self->last_access ((delete $self->{last_access})
1781	|| $cf::RUNTIME); #d#	2112	|| $cf::RUNTIME); #d#
1782	# safety	2113	# safety
1783	$self->{instantiate_time} = $cf::RUNTIME	2114	$self->{instantiate_time} = $cf::RUNTIME
1784	if $self->{instantiate_time} > $cf::RUNTIME;	2115	if $self->{instantiate_time} > $cf::RUNTIME;
1785	}	2116	}
1786		2117
		2118	# called after loading the header from an original map
1787	sub prepare_orig {	2119	sub prepare_orig {
1788	my ($self) = @_;	2120	my ($self) = @_;
1789		2121
1790	$self->{load_original} = 1;	2122	$self->{load_original} = 1;
1791	$self->{instantiate_time} = $cf::RUNTIME;	2123	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1815		2147
1816	sub find;	2148	sub find;
1817	sub find {	2149	sub find {
1818	my ($path, $origin) = @_;	2150	my ($path, $origin) = @_;
1819		2151
		2152	cf::cede_to_tick;
		2153
1820	$path = normalise $path, $origin && $origin->path;	2154	$path = normalise $path, $origin;
1821		2155
		2156	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1822	cf::lock_wait "map_find:$path";	2157	my $guard2 = cf::lock_acquire "map_find:$path";
1823		2158
1824	$cf::MAP{$path} || do {	2159	$cf::MAP{$path} || do {
1825	my $guard = cf::lock_acquire "map_find:$path";
1826	my $map = new_from_path cf::map $path	2160	my $map = new_from_path cf::map $path
1827	or return;	2161	or return;
1828		2162
1829	$map->{last_save} = $cf::RUNTIME;	2163	$map->{last_save} = $cf::RUNTIME;
1830		2164
…		…
1832	or return;	2166	or return;
1833		2167
1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2168	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1835	# doing this can freeze the server in a sync job, obviously	2169	# doing this can freeze the server in a sync job, obviously
1836	#$cf::WAIT_FOR_TICK->wait;	2170	#$cf::WAIT_FOR_TICK->wait;
		2171	undef $guard2;
		2172	undef $guard1;
1837	$map->reset;	2173	$map->reset;
1838	undef $guard;
1839	return find $path;	2174	return find $path;
1840	}	2175	}
1841		2176
1842	$cf::MAP{$path} = $map	2177	$cf::MAP{$path} = $map
1843	}	2178	}
1844	}	2179	}
1845		2180
1846	sub pre_load { }	2181	sub pre_load { }
1847	sub post_load { }	2182	#sub post_load { } # XS
1848		2183
1849	sub load {	2184	sub load {
1850	my ($self) = @_;	2185	my ($self) = @_;
1851		2186
1852	local $self->{deny_reset} = 1; # loading can take a long time	2187	local $self->{deny_reset} = 1; # loading can take a long time
1853		2188
1854	my $path = $self->{path};	2189	my $path = $self->{path};
1855		2190
1856	{	2191	{
1857	my $guard1 = cf::lock_acquire "map_data:$path";	2192	my $guard = cf::lock_acquire "map_data:$path";
1858	my $guard2 = cf::lock_acquire "map_load:$path";
1859		2193
		2194	return unless $self->valid;
1860	return if $self->in_memory != cf::MAP_SWAPPED;	2195	return unless $self->state == cf::MAP_SWAPPED;
1861
1862	$self->in_memory (cf::MAP_LOADING);
1863		2196
1864	$self->alloc;	2197	$self->alloc;
1865		2198
1866	$self->pre_load;	2199	$self->pre_load;
1867	cf::cede_to_tick;	2200	cf::cede_to_tick;
1868		2201
1869	$self->_load_objects ($self->{load_path}, 1)	2202	if (exists $self->{load_path}) {
		2203	my $f = new_from_file cf::object::thawer $self->{load_path};
		2204	$f->skip_block;
		2205	$self->_load_objects ($f)
1870	or return;	2206	or return;
1871		2207
1872	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2208	$self->post_load_original
1873	if delete $self->{load_original};	2209	if delete $self->{load_original};
1874		2210
1875	if (my $uniq = $self->uniq_path) {	2211	if (my $uniq = $self->uniq_path) {
1876	utf8::encode $uniq;	2212	utf8::encode $uniq;
1877	if (aio_open $uniq, O_RDONLY, 0) {	2213	unless (aio_stat $uniq) {
		2214	if (my $f = new_from_file cf::object::thawer $uniq) {
1878	$self->clear_unique_items;	2215	$self->clear_unique_items;
1879	$self->_load_objects ($uniq, 0);	2216	$self->_load_objects ($f);
		2217	$f->resolve_delayed_derefs;
		2218	}
		2219	}
1880	}	2220	}
		2221
		2222	$f->resolve_delayed_derefs;
		2223	} else {
		2224	$self->post_load_original
		2225	if delete $self->{load_original};
1881	}	2226	}
		2227
		2228	$self->state (cf::MAP_INACTIVE);
1882		2229
1883	cf::cede_to_tick;	2230	cf::cede_to_tick;
1884	# now do the right thing for maps	2231	# now do the right thing for maps
1885	$self->link_multipart_objects;	2232	$self->link_multipart_objects;
1886	$self->difficulty ($self->estimate_difficulty)	2233	$self->difficulty ($self->estimate_difficulty)
…		…
1890	unless ($self->{deny_activate}) {	2237	unless ($self->{deny_activate}) {
1891	$self->decay_objects;	2238	$self->decay_objects;
1892	$self->fix_auto_apply;	2239	$self->fix_auto_apply;
1893	$self->update_buttons;	2240	$self->update_buttons;
1894	cf::cede_to_tick;	2241	cf::cede_to_tick;
1895	$self->set_darkness_map;	2242	#$self->activate; # no longer activate maps automatically
1896	cf::cede_to_tick;
1897	$self->activate;
1898	}	2243	}
1899		2244
1900	$self->{last_save} = $cf::RUNTIME;	2245	$self->{last_save} = $cf::RUNTIME;
1901	$self->last_access ($cf::RUNTIME);	2246	$self->last_access ($cf::RUNTIME);
1902
1903	$self->in_memory (cf::MAP_IN_MEMORY);
1904	}	2247	}
1905		2248
1906	$self->post_load;	2249	$self->post_load;
1907	}
1908		2250
		2251	1
		2252	}
		2253
		2254	# customize the map for a given player, i.e.
		2255	# return the _real_ map. used by e.g. per-player
		2256	# maps to change the path to ~playername/mappath
1909	sub customise_for {	2257	sub customise_for {
1910	my ($self, $ob) = @_;	2258	my ($self, $ob) = @_;
1911		2259
1912	return find "~" . $ob->name . "/" . $self->{path}	2260	return find "~" . $ob->name . "/" . $self->{path}
1913	if $self->per_player;	2261	if $self->per_player;
…		…
1916	# if $self->per_party;	2264	# if $self->per_party;
1917		2265
1918	$self	2266	$self
1919	}	2267	}
1920		2268
1921	# find and load all maps in the 3x3 area around a map
1922	sub load_neighbours {
1923	my ($map) = @_;
1924
1925	my @neigh; # diagonal neighbours
1926
1927	for (0 .. 3) {
1928	my $neigh = $map->tile_path ($_)
1929	or next;
1930	$neigh = find $neigh, $map
1931	or next;
1932	$neigh->load;
1933
1934	push @neigh,
1935	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1936	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1937	}
1938
1939	for (grep defined $_->[0], @neigh) {
1940	my ($path, $origin) = @$_;
1941	my $neigh = find $path, $origin
1942	or next;
1943	$neigh->load;
1944	}
1945	}
1946
1947	sub find_sync {	2269	sub find_sync {
1948	my ($path, $origin) = @_;	2270	my ($path, $origin) = @_;
1949		2271
1950	cf::sync_job { find $path, $origin }	2272	# it's a bug to call this from the main context
		2273	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2274	if $Coro::current == $Coro::main;
		2275
		2276	find $path, $origin
1951	}	2277	}
1952		2278
1953	sub do_load_sync {	2279	sub do_load_sync {
1954	my ($map) = @_;	2280	my ($map) = @_;
1955		2281
		2282	# it's a bug to call this from the main context
1956	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2283	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
1957	if $Coro::current == $Coro::main;	2284	if $Coro::current == $Coro::main;
1958		2285
1959	cf::sync_job { $map->load };	2286	$map->load;
1960	}	2287	}
1961		2288
1962	our %MAP_PREFETCH;	2289	our %MAP_PREFETCH;
1963	our $MAP_PREFETCHER = undef;	2290	our $MAP_PREFETCHER = undef;
1964		2291
1965	sub find_async {	2292	sub find_async {
1966	my ($path, $origin, $load) = @_;	2293	my ($path, $origin, $load) = @_;
1967		2294
1968	$path = normalise $path, $origin && $origin->{path};	2295	$path = normalise $path, $origin;
1969		2296
1970	if (my $map = $cf::MAP{$path}) {	2297	if (my $map = $cf::MAP{$path}) {
1971	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2298	return $map if !$load || $map->linkable;
1972	}	2299	}
1973		2300
1974	$MAP_PREFETCH{$path} |= $load;	2301	$MAP_PREFETCH{$path} |= $load;
1975		2302
1976	$MAP_PREFETCHER ||= cf::async {	2303	$MAP_PREFETCHER ||= cf::async {
		2304	$Coro::current->{desc} = "map prefetcher";
		2305
1977	while (%MAP_PREFETCH) {	2306	while (%MAP_PREFETCH) {
1978	while (my ($k, $v) = each %MAP_PREFETCH) {	2307	while (my ($k, $v) = each %MAP_PREFETCH) {
1979	if (my $map = find $k) {	2308	if (my $map = find $k) {
1980	$map->load if $v;	2309	$map->load if $v;
1981	}	2310	}
…		…
1988	$MAP_PREFETCHER->prio (6);	2317	$MAP_PREFETCHER->prio (6);
1989		2318
1990	()	2319	()
1991	}	2320	}
1992		2321
		2322	# common code, used by both ->save and ->swapout
1993	sub save {	2323	sub _save {
1994	my ($self) = @_;	2324	my ($self) = @_;
1995
1996	my $lock = cf::lock_acquire "map_data:$self->{path}";
1997		2325
1998	$self->{last_save} = $cf::RUNTIME;	2326	$self->{last_save} = $cf::RUNTIME;
1999		2327
2000	return unless $self->dirty;	2328	return unless $self->dirty;
2001		2329
…		…
2007	return if $self->{deny_save};	2335	return if $self->{deny_save};
2008		2336
2009	local $self->{last_access} = $self->last_access;#d#	2337	local $self->{last_access} = $self->last_access;#d#
2010		2338
2011	cf::async {	2339	cf::async {
		2340	$Coro::current->{desc} = "map player save";
2012	$_->contr->save for $self->players;	2341	$_->contr->save for $self->players;
2013	};	2342	};
		2343
		2344	cf::get_slot 0.02;
2014		2345
2015	if ($uniq) {	2346	if ($uniq) {
2016	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2347	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2017	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2348	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2018	} else {	2349	} else {
2019	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2020	}	2351	}
2021	}	2352	}
2022		2353
		2354	sub save {
		2355	my ($self) = @_;
		2356
		2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2358
		2359	$self->_save;
		2360	}
		2361
2023	sub swap_out {	2362	sub swap_out {
2024	my ($self) = @_;	2363	my ($self) = @_;
2025		2364
2026	# save first because save cedes
2027	$self->save;
2028
2029	my $lock = cf::lock_acquire "map_data:$self->{path}";	2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
2030		2366
		2367	return if !$self->linkable;
		2368	return if $self->{deny_save};
2031	return if $self->players;	2369	return if $self->players;
2032	return if $self->in_memory != cf::MAP_IN_MEMORY;
2033	return if $self->{deny_save};
2034		2370
		2371	# first deactivate the map and "unlink" it from the core
		2372	$self->deactivate;
		2373	$_->clear_links_to ($self) for values %cf::MAP;
		2374	$self->state (cf::MAP_SWAPPED);
		2375
		2376	# then atomically save
		2377	$self->_save;
		2378
		2379	# then free the map
2035	$self->clear;	2380	$self->clear;
2036	$self->in_memory (cf::MAP_SWAPPED);
2037	}	2381	}
2038		2382
2039	sub reset_at {	2383	sub reset_at {
2040	my ($self) = @_;	2384	my ($self) = @_;
2041		2385
…		…
2059		2403
2060	my $lock = cf::lock_acquire "map_data:$self->{path}";	2404	my $lock = cf::lock_acquire "map_data:$self->{path}";
2061		2405
2062	return if $self->players;	2406	return if $self->players;
2063		2407
2064	warn "resetting map ", $self->path;	2408	cf::trace "resetting map ", $self->path, "\n";
2065		2409
2066	$self->in_memory (cf::MAP_SWAPPED);	2410	$self->state (cf::MAP_SWAPPED);
2067		2411
2068	# need to save uniques path	2412	# need to save uniques path
2069	unless ($self->{deny_save}) {	2413	unless ($self->{deny_save}) {
2070	my $uniq = $self->uniq_path; utf8::encode $uniq;	2414	my $uniq = $self->uniq_path; utf8::encode $uniq;
2071		2415
…		…
2073	if $uniq;	2417	if $uniq;
2074	}	2418	}
2075		2419
2076	delete $cf::MAP{$self->path};	2420	delete $cf::MAP{$self->path};
2077		2421
		2422	$self->deactivate;
		2423	$_->clear_links_to ($self) for values %cf::MAP;
2078	$self->clear;	2424	$self->clear;
2079
2080	$_->clear_links_to ($self) for values %cf::MAP;
2081		2425
2082	$self->unlink_save;	2426	$self->unlink_save;
2083	$self->destroy;	2427	$self->destroy;
2084	}	2428	}
2085		2429
2086	my $nuke_counter = "aaaa";	2430	my $nuke_counter = "aaaa";
2087		2431
2088	sub nuke {	2432	sub nuke {
2089	my ($self) = @_;	2433	my ($self) = @_;
2090		2434
		2435	{
		2436	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2437
2091	delete $cf::MAP{$self->path};	2438	delete $cf::MAP{$self->path};
2092		2439
2093	$self->unlink_save;	2440	$self->unlink_save;
2094		2441
2095	bless $self, "cf::map";	2442	bless $self, "cf::map::wrap";
2096	delete $self->{deny_reset};	2443	delete $self->{deny_reset};
2097	$self->{deny_save} = 1;	2444	$self->{deny_save} = 1;
2098	$self->reset_timeout (1);	2445	$self->reset_timeout (1);
2099	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2446	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2100		2447
2101	$cf::MAP{$self->path} = $self;	2448	$cf::MAP{$self->path} = $self;
		2449	}
2102		2450
2103	$self->reset; # polite request, might not happen	2451	$self->reset; # polite request, might not happen
2104	}	2452	}
2105		2453
2106	=item $maps = cf::map::tmp_maps	2454	=item $maps = cf::map::tmp_maps
…		…
2148		2496
2149	sub unique_maps() {	2497	sub unique_maps() {
2150	[	2498	[
2151	map {	2499	map {
2152	utf8::decode $_;	2500	utf8::decode $_;
2153	/\.map$/	2501	s/\.map$//; # TODO future compatibility hack
		2502	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2503	? ()
2154	? normalise $_	2504	: normalise $_
2155	: ()
2156	} @{ aio_readdir $UNIQUEDIR or [] }	2505	} @{ aio_readdir $UNIQUEDIR or [] }
2157	]	2506	]
2158	}	2507	}
2159		2508
2160	package cf;	2509	=item cf::map::static_maps
		2510
		2511	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2512	file in the shared directory excluding F</styles> and F</editor>). May
		2513	block.
		2514
		2515	=cut
		2516
		2517	sub static_maps() {
		2518	my @dirs = "";
		2519	my @maps;
		2520
		2521	while (@dirs) {
		2522	my $dir = shift @dirs;
		2523
		2524	next if $dir eq "/styles" || $dir eq "/editor";
		2525
		2526	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2527	or return;
		2528
		2529	for (@$files) {
		2530	s/\.map$// or next;
		2531	utf8::decode $_;
		2532	push @maps, "$dir/$_";
		2533	}
		2534
		2535	push @dirs, map "$dir/$_", @$dirs;
		2536	}
		2537
		2538	\@maps
		2539	}
2161		2540
2162	=back	2541	=back
2163		2542
2164	=head3 cf::object	2543	=head3 cf::object
2165		2544
…		…
2169		2548
2170	=over 4	2549	=over 4
2171		2550
2172	=item $ob->inv_recursive	2551	=item $ob->inv_recursive
2173		2552
2174	Returns the inventory of the object _and_ their inventories, recursively.	2553	Returns the inventory of the object I<and> their inventories, recursively,
		2554	but I<not> the object itself.
2175		2555
2176	=cut	2556	=cut
2177		2557
2178	sub inv_recursive_;	2558	sub inv_recursive_;
2179	sub inv_recursive_ {	2559	sub inv_recursive_ {
…		…
2182		2562
2183	sub inv_recursive {	2563	sub inv_recursive {
2184	inv_recursive_ inv $_[0]	2564	inv_recursive_ inv $_[0]
2185	}	2565	}
2186		2566
		2567	=item $ref = $ob->ref
		2568
		2569	Creates and returns a persistent reference to an object that can be stored as a string.
		2570
		2571	=item $ob = cf::object::deref ($refstring)
		2572
		2573	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2574	even if the object actually exists. May block.
		2575
		2576	=cut
		2577
		2578	sub deref {
		2579	my ($ref) = @_;
		2580
		2581	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2582	my ($uuid, $name) = ($1, $2);
		2583	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2584	or return;
		2585	$pl->ob->uuid eq $uuid
		2586	or return;
		2587
		2588	$pl->ob
		2589	} else {
		2590	warn "$ref: cannot resolve object reference\n";
		2591	undef
		2592	}
		2593	}
		2594
2187	package cf;	2595	package cf;
2188		2596
2189	=back	2597	=back
2190		2598
2191	=head3 cf::object::player	2599	=head3 cf::object::player
…		…
2197	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2605	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2198	can be C<undef>. Does the right thing when the player is currently in a	2606	can be C<undef>. Does the right thing when the player is currently in a
2199	dialogue with the given NPC character.	2607	dialogue with the given NPC character.
2200		2608
2201	=cut	2609	=cut
		2610
		2611	our $SAY_CHANNEL = {
		2612	id => "say",
		2613	title => "Map",
		2614	reply => "say ",
		2615	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2616	};
		2617
		2618	our $CHAT_CHANNEL = {
		2619	id => "chat",
		2620	title => "Chat",
		2621	reply => "chat ",
		2622	tooltip => "Player chat and shouts, global to the server.",
		2623	};
2202		2624
2203	# rough implementation of a future "reply" method that works	2625	# rough implementation of a future "reply" method that works
2204	# with dialog boxes.	2626	# with dialog boxes.
2205	#TODO: the first argument must go, split into a $npc->reply_to ( method	2627	#TODO: the first argument must go, split into a $npc->reply_to ( method
2206	sub cf::object::player::reply($$$;$) {	2628	sub cf::object::player::reply($$$;$) {
…		…
2218	my $dialog = $pl->{npc_dialog};	2640	my $dialog = $pl->{npc_dialog};
2219	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2641	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2220		2642
2221	} else {	2643	} else {
2222	$msg = $npc->name . " says: $msg" if $npc;	2644	$msg = $npc->name . " says: $msg" if $npc;
2223	$self->message ($msg, $flags);	2645	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2224	}	2646	}
2225	}	2647	}
2226	}	2648	}
2227		2649
2228	=item $object->send_msg ($channel, $msg, $color, [extra...])	2650	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2253		2675
2254	=item $player_object->enter_link	2676	=item $player_object->enter_link
2255		2677
2256	Freezes the player and moves him/her to a special map (C<{link}>).	2678	Freezes the player and moves him/her to a special map (C<{link}>).
2257		2679
2258	The player should be reasonably safe there for short amounts of time. You	2680	The player should be reasonably safe there for short amounts of time (e.g.
2259	I<MUST> call C<leave_link> as soon as possible, though.	2681	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2682	though, as the player cannot control the character while it is on the link
		2683	map.
2260		2684
2261	Will never block.	2685	Will never block.
2262		2686
2263	=item $player_object->leave_link ($map, $x, $y)	2687	=item $player_object->leave_link ($map, $x, $y)
2264		2688
…		…
2284	sub cf::object::player::enter_link {	2708	sub cf::object::player::enter_link {
2285	my ($self) = @_;	2709	my ($self) = @_;
2286		2710
2287	$self->deactivate_recursive;	2711	$self->deactivate_recursive;
2288		2712
		2713	++$self->{_link_recursion};
		2714
2289	return if UNIVERSAL::isa $self->map, "ext::map_link";	2715	return if UNIVERSAL::isa $self->map, "ext::map_link";
2290		2716
2291	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2292	if $self->map && $self->map->{path} ne "{link}";	2718	if $self->map && $self->map->{path} ne "{link}";
2293		2719
2294	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2720	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2295	}	2721	}
2296		2722
2297	sub cf::object::player::leave_link {	2723	sub cf::object::player::leave_link {
2298	my ($self, $map, $x, $y) = @_;	2724	my ($self, $map, $x, $y) = @_;
2299		2725
…		…
2316	($x, $y) = (-1, -1)	2742	($x, $y) = (-1, -1)
2317	unless (defined $x) && (defined $y);	2743	unless (defined $x) && (defined $y);
2318		2744
2319	# use -1 or undef as default coordinates, not 0, 0	2745	# use -1 or undef as default coordinates, not 0, 0
2320	($x, $y) = ($map->enter_x, $map->enter_y)	2746	($x, $y) = ($map->enter_x, $map->enter_y)
2321	if $x <=0 && $y <= 0;	2747	if $x <= 0 && $y <= 0;
2322		2748
2323	$map->load;	2749	$map->load;
2324	$map->load_neighbours;
2325		2750
2326	return unless $self->contr->active;	2751	return unless $self->contr->active;
2327	$self->activate_recursive;
2328		2752
2329	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2753	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2330	$self->enter_map ($map, $x, $y);	2754	if ($self->enter_map ($map, $x, $y)) {
2331	}	2755	# entering was successful
		2756	delete $self->{_link_recursion};
		2757	# only activate afterwards, to support waiting in hooks
		2758	$self->activate_recursive;
		2759	}
2332		2760
		2761	}
		2762
2333	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2763	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2334		2764
2335	Moves the player to the given map-path and coordinates by first freezing	2765	Moves the player to the given map-path and coordinates by first freezing
2336	her, loading and preparing them map, calling the provided $check callback	2766	her, loading and preparing them map, calling the provided $check callback
2337	that has to return the map if sucecssful, and then unfreezes the player on	2767	that has to return the map if sucecssful, and then unfreezes the player on
2338	the new (success) or old (failed) map position. In either case, $done will	2768	the new (success) or old (failed) map position. In either case, $done will
2339	be called at the end of this process.	2769	be called at the end of this process.
2340		2770
		2771	Note that $check will be called with a potentially non-loaded map, so if
		2772	it needs a loaded map it has to call C<< ->load >>.
		2773
2341	=cut	2774	=cut
2342		2775
2343	our $GOTOGEN;	2776	our $GOTOGEN;
2344		2777
2345	sub cf::object::player::goto {	2778	sub cf::object::player::goto {
2346	my ($self, $path, $x, $y, $check, $done) = @_;	2779	my ($self, $path, $x, $y, $check, $done) = @_;
2347		2780
		2781	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2782	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2783	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2784	($path, $x, $y) = @$EMERGENCY_POSITION;
		2785	}
		2786
2348	# do generation counting so two concurrent goto's will be executed in-order	2787	# do generation counting so two concurrent goto's will be executed in-order
2349	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2788	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2350		2789
2351	$self->enter_link;	2790	$self->enter_link;
2352		2791
2353	(async {	2792	(async {
		2793	$Coro::current->{desc} = "player::goto $path $x $y";
		2794
		2795	# *tag paths override both path and x|y
		2796	if ($path =~ /^\*(.*)$/) {
		2797	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2798	my $ob = $obs[rand @obs];
		2799
		2800	# see if we actually can go there
		2801	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2802	$ob = $obs[rand @obs];
		2803	} else {
		2804	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2805	}
		2806	# else put us there anyways for now #d#
		2807
		2808	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2809	} else {
		2810	($path, $x, $y) = (undef, undef, undef);
		2811	}
		2812	}
		2813
2354	my $map = eval {	2814	my $map = eval {
2355	my $map = cf::map::find $path;	2815	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2356		2816
2357	if ($map) {	2817	if ($map) {
2358	$map = $map->customise_for ($self);	2818	$map = $map->customise_for ($self);
2359	$map = $check->($map) if $check && $map;	2819	$map = $check->($map, $x, $y, $self) if $check && $map;
2360	} else {	2820	} else {
2361	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2821	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2362	}	2822	}
2363		2823
2364	$map	2824	$map
2365	};	2825	};
2366		2826
…		…
2372	if ($gen == $self->{_goto_generation}) {	2832	if ($gen == $self->{_goto_generation}) {
2373	delete $self->{_goto_generation};	2833	delete $self->{_goto_generation};
2374	$self->leave_link ($map, $x, $y);	2834	$self->leave_link ($map, $x, $y);
2375	}	2835	}
2376		2836
2377	$done->() if $done;	2837	$done->($self) if $done;
2378	})->prio (1);	2838	})->prio (1);
2379	}	2839	}
2380		2840
2381	=item $player_object->enter_exit ($exit_object)	2841	=item $player_object->enter_exit ($exit_object)
2382		2842
…		…
2402	}	2862	}
2403		2863
2404	sub prepare_random_map {	2864	sub prepare_random_map {
2405	my ($exit) = @_;	2865	my ($exit) = @_;
2406		2866
2407	my $guard = cf::lock_acquire "exit_prepare:$exit";
2408
2409	# all this does is basically replace the /! path by	2867	# all this does is basically replace the /! path by
2410	# a new random map path (?random/...) with a seed	2868	# a new random map path (?random/...) with a seed
2411	# that depends on the exit object	2869	# that depends on the exit object
2412		2870
2413	my $rmp = parse_random_map_params $exit->msg;	2871	my $rmp = parse_random_map_params $exit->msg;
…		…
2415	if ($exit->map) {	2873	if ($exit->map) {
2416	$rmp->{region} = $exit->region->name;	2874	$rmp->{region} = $exit->region->name;
2417	$rmp->{origin_map} = $exit->map->path;	2875	$rmp->{origin_map} = $exit->map->path;
2418	$rmp->{origin_x} = $exit->x;	2876	$rmp->{origin_x} = $exit->x;
2419	$rmp->{origin_y} = $exit->y;	2877	$rmp->{origin_y} = $exit->y;
		2878
		2879	$exit->map->touch;
2420	}	2880	}
2421		2881
2422	$rmp->{random_seed} ||= $exit->random_seed;	2882	$rmp->{random_seed} ||= $exit->random_seed;
2423		2883
2424	my $data = cf::to_json $rmp;	2884	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2425	my $md5 = Digest::MD5::md5_hex $data;	2885	my $md5 = Digest::MD5::md5_hex $data;
2426	my $meta = "$RANDOMDIR/$md5.meta";	2886	my $meta = "$RANDOMDIR/$md5.meta";
2427		2887
2428	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2429	aio_write $fh, 0, (length $data), $data, 0;	2889	aio_write $fh, 0, (length $data), $data, 0;
2430	undef $fh;	2890	undef $fh;
2431	aio_rename "$meta~", $meta;	2891	aio_rename "$meta~", $meta;
2432		2892
		2893	my $slaying = "?random/$md5";
		2894
		2895	if ($exit->valid) {
2433	$exit->slaying ("?random/$md5");	2896	$exit->slaying ("?random/$md5");
2434	$exit->msg (undef);	2897	$exit->msg (undef);
		2898	}
2435	}	2899	}
2436	}	2900	}
2437		2901
2438	sub cf::object::player::enter_exit {	2902	sub cf::object::player::enter_exit {
2439	my ($self, $exit) = @_;	2903	my ($self, $exit) = @_;
2440		2904
2441	return unless $self->type == cf::PLAYER;	2905	return unless $self->type == cf::PLAYER;
2442		2906
2443	if ($exit->slaying eq "/!") {
2444	#TODO: this should de-fi-ni-te-ly not be a sync-job
2445	# the problem is that $exit might not survive long enough
2446	# so it needs to be done right now, right here
2447	cf::sync_job { prepare_random_map $exit };
2448	}
2449
2450	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2451	my $hp = $exit->stats->hp;
2452	my $sp = $exit->stats->sp;
2453
2454	$self->enter_link;	2907	$self->enter_link;
2455		2908
2456	# if exit is damned, update players death & WoR home-position
2457	$self->contr->savebed ($slaying, $hp, $sp)
2458	if $exit->flag (FLAG_DAMNED);
2459
2460	(async {	2909	(async {
2461	$self->deactivate_recursive; # just to be sure	2910	$Coro::current->{desc} = "enter_exit";
		2911
2462	unless (eval {	2912	unless (eval {
		2913	$self->deactivate_recursive; # just to be sure
		2914
		2915	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2916	my $x = $exit->stats->hp;
		2917	my $y = $exit->stats->sp;
		2918
		2919	# special map handling
		2920	my $slaying = $exit->slaying;
		2921
		2922	# special map handling
		2923	if ($slaying eq "/!") {
		2924	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2925
		2926	prepare_random_map $exit
		2927	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2928
		2929	$map = $exit->slaying;
		2930
		2931	} elsif ($slaying eq '!up') {
		2932	$map = $exit->map->tile_path (cf::TILE_UP);
		2933	$x = $exit->x;
		2934	$y = $exit->y;
		2935
		2936	} elsif ($slaying eq '!down') {
		2937	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2938	$x = $exit->x;
		2939	$y = $exit->y;
		2940	}
		2941
2463	$self->goto ($slaying, $hp, $sp);	2942	$self->goto ($map, $x, $y);
2464		2943
		2944	# if exit is damned, update players death & WoR home-position
		2945	$self->contr->savebed ($map, $x, $y)
		2946	if $exit->flag (cf::FLAG_DAMNED);
		2947
2465	1;	2948	1
2466	}) {	2949	}) {
2467	$self->message ("Something went wrong deep within the crossfire server. "	2950	$self->message ("Something went wrong deep within the deliantra server. "
2468	. "I'll try to bring you back to the map you were before. "	2951	. "I'll try to bring you back to the map you were before. "
2469	. "Please report this to the dungeon master!",	2952	. "Please report this to the dungeon master!",
2470	cf::NDI_UNIQUE | cf::NDI_RED);	2953	cf::NDI_UNIQUE | cf::NDI_RED);
2471		2954
2472	warn "ERROR in enter_exit: $@";	2955	error "ERROR in enter_exit: $@";
2473	$self->leave_link;	2956	$self->leave_link;
2474	}	2957	}
2475	})->prio (1);	2958	})->prio (1);
2476	}	2959	}
2477		2960
…		…
2489	sub cf::client::send_drawinfo {	2972	sub cf::client::send_drawinfo {
2490	my ($self, $text, $flags) = @_;	2973	my ($self, $text, $flags) = @_;
2491		2974
2492	utf8::encode $text;	2975	utf8::encode $text;
2493	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2976	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2977	}
		2978
		2979	=item $client->send_big_packet ($pkt)
		2980
		2981	Like C<send_packet>, but tries to compress large packets, and fragments
		2982	them as required.
		2983
		2984	=cut
		2985
		2986	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2987
		2988	sub cf::client::send_big_packet {
		2989	my ($self, $pkt) = @_;
		2990
		2991	# try lzf for large packets
		2992	$pkt = "lzf " . Compress::LZF::compress $pkt
		2993	if 1024 <= length $pkt and $self->{can_lzf};
		2994
		2995	# split very large packets
		2996	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2997	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2998	$pkt = "frag";
		2999	}
		3000
		3001	$self->send_packet ($pkt);
2494	}	3002	}
2495		3003
2496	=item $client->send_msg ($channel, $msg, $color, [extra...])	3004	=item $client->send_msg ($channel, $msg, $color, [extra...])
2497		3005
2498	Send a drawinfo or msg packet to the client, formatting the msg for the	3006	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2500	the message, with C<log> being the default. If C<$color> is negative, suppress	3008	the message, with C<log> being the default. If C<$color> is negative, suppress
2501	the message unless the client supports the msg packet.	3009	the message unless the client supports the msg packet.
2502		3010
2503	=cut	3011	=cut
2504		3012
		3013	# non-persistent channels (usually the info channel)
		3014	our %CHANNEL = (
		3015	"c/motd" => {
		3016	id => "infobox",
		3017	title => "MOTD",
		3018	reply => undef,
		3019	tooltip => "The message of the day",
		3020	},
		3021	"c/identify" => {
		3022	id => "infobox",
		3023	title => "Identify",
		3024	reply => undef,
		3025	tooltip => "Items recently identified",
		3026	},
		3027	"c/examine" => {
		3028	id => "infobox",
		3029	title => "Examine",
		3030	reply => undef,
		3031	tooltip => "Signs and other items you examined",
		3032	},
		3033	"c/shopinfo" => {
		3034	id => "infobox",
		3035	title => "Shop Info",
		3036	reply => undef,
		3037	tooltip => "What your bargaining skill tells you about the shop",
		3038	},
		3039	"c/book" => {
		3040	id => "infobox",
		3041	title => "Book",
		3042	reply => undef,
		3043	tooltip => "The contents of a note or book",
		3044	},
		3045	"c/lookat" => {
		3046	id => "infobox",
		3047	title => "Look",
		3048	reply => undef,
		3049	tooltip => "What you saw there",
		3050	},
		3051	"c/who" => {
		3052	id => "infobox",
		3053	title => "Players",
		3054	reply => undef,
		3055	tooltip => "Shows players who are currently online",
		3056	},
		3057	"c/body" => {
		3058	id => "infobox",
		3059	title => "Body Parts",
		3060	reply => undef,
		3061	tooltip => "Shows which body parts you posess and are available",
		3062	},
		3063	"c/statistics" => {
		3064	id => "infobox",
		3065	title => "Statistics",
		3066	reply => undef,
		3067	tooltip => "Shows your primary statistics",
		3068	},
		3069	"c/skills" => {
		3070	id => "infobox",
		3071	title => "Skills",
		3072	reply => undef,
		3073	tooltip => "Shows your experience per skill and item power",
		3074	},
		3075	"c/shopitems" => {
		3076	id => "infobox",
		3077	title => "Shop Items",
		3078	reply => undef,
		3079	tooltip => "Shows the items currently for sale in this shop",
		3080	},
		3081	"c/resistances" => {
		3082	id => "infobox",
		3083	title => "Resistances",
		3084	reply => undef,
		3085	tooltip => "Shows your resistances",
		3086	},
		3087	"c/pets" => {
		3088	id => "infobox",
		3089	title => "Pets",
		3090	reply => undef,
		3091	tooltip => "Shows information abotu your pets/a specific pet",
		3092	},
		3093	"c/perceiveself" => {
		3094	id => "infobox",
		3095	title => "Perceive Self",
		3096	reply => undef,
		3097	tooltip => "You gained detailed knowledge about yourself",
		3098	},
		3099	"c/uptime" => {
		3100	id => "infobox",
		3101	title => "Uptime",
		3102	reply => undef,
		3103	tooltip => "How long the server has been running since last restart",
		3104	},
		3105	"c/mapinfo" => {
		3106	id => "infobox",
		3107	title => "Map Info",
		3108	reply => undef,
		3109	tooltip => "Information related to the maps",
		3110	},
		3111	"c/party" => {
		3112	id => "party",
		3113	title => "Party",
		3114	reply => "gsay ",
		3115	tooltip => "Messages and chat related to your party",
		3116	},
		3117	"c/death" => {
		3118	id => "death",
		3119	title => "Death",
		3120	reply => undef,
		3121	tooltip => "Reason for and more info about your most recent death",
		3122	},
		3123	"c/say" => $SAY_CHANNEL,
		3124	"c/chat" => $CHAT_CHANNEL,
		3125	);
		3126
2505	sub cf::client::send_msg {	3127	sub cf::client::send_msg {
2506	my ($self, $channel, $msg, $color, @extra) = @_;	3128	my ($self, $channel, $msg, $color, @extra) = @_;
2507		3129
2508	$msg = $self->pl->expand_cfpod ($msg);	3130	$msg = $self->pl->expand_cfpod ($msg)
		3131	unless $color & cf::NDI_VERBATIM;
2509		3132
2510	$color &= cf::NDI_CLIENT_MASK; # just in case...	3133	$color &= cf::NDI_CLIENT_MASK; # just in case...
2511		3134
		3135	# check predefined channels, for the benefit of C
		3136	if ($CHANNEL{$channel}) {
		3137	$channel = $CHANNEL{$channel};
		3138
		3139	$self->ext_msg (channel_info => $channel);
		3140	$channel = $channel->{id};
		3141
2512	if (ref $channel) {	3142	} elsif (ref $channel) {
2513	# send meta info to client, if not yet sent	3143	# send meta info to client, if not yet sent
2514	unless (exists $self->{channel}{$channel->{id}}) {	3144	unless (exists $self->{channel}{$channel->{id}}) {
2515	$self->{channel}{$channel->{id}} = $channel;	3145	$self->{channel}{$channel->{id}} = $channel;
2516	$self->ext_msg (channel_info => $channel);	3146	$self->ext_msg (channel_info => $channel);
2517	}	3147	}
…		…
2519	$channel = $channel->{id};	3149	$channel = $channel->{id};
2520	}	3150	}
2521		3151
2522	return unless @extra || length $msg;	3152	return unless @extra || length $msg;
2523		3153
2524	if ($self->can_msg) {
2525	# default colour, mask it out	3154	# default colour, mask it out
2526	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3155	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2527	if $color & cf::NDI_DEF;	3156	if $color & cf::NDI_DEF;
2528		3157
2529	$self->send_packet ("msg " . $self->{json_coder}->encode (	3158	my $pkt = "msg "
		3159	. $self->{json_coder}->encode (
2530	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3160	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2531	} else {	3161	);
2532	if ($color >= 0) {
2533	# replace some tags by gcfclient-compatible ones
2534	for ($msg) {
2535	1 while
2536	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2537	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2538	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2539	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2540	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2541	}
2542		3162
2543	$color &= cf::NDI_COLOR_MASK;	3163	$self->send_big_packet ($pkt);
2544
2545	utf8::encode $msg;
2546
2547	if (0 && $msg =~ /\[/) {
2548	# COMMAND/INFO
2549	$self->send_packet ("drawextinfo $color 10 8 $msg")
2550	} else {
2551	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2552	$self->send_packet ("drawinfo $color $msg")
2553	}
2554	}
2555	}
2556	}	3164	}
2557		3165
2558	=item $client->ext_msg ($type, @msg)	3166	=item $client->ext_msg ($type, @msg)
2559		3167
2560	Sends an ext event to the client.	3168	Sends an ext event to the client.
…		…
2563		3171
2564	sub cf::client::ext_msg($$@) {	3172	sub cf::client::ext_msg($$@) {
2565	my ($self, $type, @msg) = @_;	3173	my ($self, $type, @msg) = @_;
2566		3174
2567	if ($self->extcmd == 2) {	3175	if ($self->extcmd == 2) {
2568	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3176	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2569	} elsif ($self->extcmd == 1) { # TODO: remove	3177	} elsif ($self->extcmd == 1) { # TODO: remove
2570	push @msg, msgtype => "event_$type";	3178	push @msg, msgtype => "event_$type";
2571	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2572	}	3180	}
2573	}	3181	}
2574		3182
2575	=item $client->ext_reply ($msgid, @msg)	3183	=item $client->ext_reply ($msgid, @msg)
2576		3184
…		…
2579	=cut	3187	=cut
2580		3188
2581	sub cf::client::ext_reply($$@) {	3189	sub cf::client::ext_reply($$@) {
2582	my ($self, $id, @msg) = @_;	3190	my ($self, $id, @msg) = @_;
2583		3191
2584	if ($self->extcmd == 2) {	3192	return unless $self->extcmd == 2;
		3193
2585	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3194	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2586	} elsif ($self->extcmd == 1) {
2587	#TODO: version 1, remove
2588	unshift @msg, msgtype => "reply", msgid => $id;
2589	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2590	}
2591	}	3195	}
2592		3196
2593	=item $success = $client->query ($flags, "text", \&cb)	3197	=item $success = $client->query ($flags, "text", \&cb)
2594		3198
2595	Queues a query to the client, calling the given callback with	3199	Queues a query to the client, calling the given callback with
…		…
2650	my ($ns, $buf) = @_;	3254	my ($ns, $buf) = @_;
2651		3255
2652	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3256	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2653		3257
2654	if (ref $msg) {	3258	if (ref $msg) {
2655	my ($type, $reply, @payload) =	3259	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2656	"ARRAY" eq ref $msg
2657	? @$msg
2658	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2659		3260
2660	my @reply;	3261	my @reply;
2661		3262
2662	if (my $cb = $EXTICMD{$type}) {	3263	if (my $cb = $EXTICMD{$type}) {
2663	@reply = $cb->($ns, @payload);	3264	@reply = $cb->($ns, @payload);
…		…
2665		3266
2666	$ns->ext_reply ($reply, @reply)	3267	$ns->ext_reply ($reply, @reply)
2667	if $reply;	3268	if $reply;
2668		3269
2669	} else {	3270	} else {
2670	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3271	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2671	}	3272	}
2672		3273
2673	cf::override;	3274	cf::override;
2674	},	3275	},
2675	);	3276	);
…		…
2695		3296
2696	$coro	3297	$coro
2697	}	3298	}
2698		3299
2699	cf::client->attach (	3300	cf::client->attach (
2700	on_destroy => sub {	3301	on_client_destroy => sub {
2701	my ($ns) = @_;	3302	my ($ns) = @_;
2702		3303
2703	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3304	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2704	},	3305	},
2705	);	3306	);
…		…
2721	our $safe_hole = new Safe::Hole;	3322	our $safe_hole = new Safe::Hole;
2722		3323
2723	$SIG{FPE} = 'IGNORE';	3324	$SIG{FPE} = 'IGNORE';
2724		3325
2725	$safe->permit_only (Opcode::opset qw(	3326	$safe->permit_only (Opcode::opset qw(
2726	:base_core :base_mem :base_orig :base_math	3327	:base_core :base_mem :base_orig :base_math :base_loop
2727	grepstart grepwhile mapstart mapwhile	3328	grepstart grepwhile mapstart mapwhile
2728	sort time	3329	sort time
2729	));	3330	));
2730		3331
2731	# here we export the classes and methods available to script code	3332	# here we export the classes and methods available to script code
…		…
2733	=pod	3334	=pod
2734		3335
2735	The following functions and methods are available within a safe environment:	3336	The following functions and methods are available within a safe environment:
2736		3337
2737	cf::object	3338	cf::object
2738	contr pay_amount pay_player map x y force_find force_add	3339	contr pay_amount pay_player map x y force_find force_add destroy
2739	insert remove name archname title slaying race decrease_ob_nr	3340	insert remove name archname title slaying race decrease split
		3341	value
2740		3342
2741	cf::object::player	3343	cf::object::player
2742	player	3344	player
2743		3345
2744	cf::player	3346	cf::player
…		…
2749		3351
2750	=cut	3352	=cut
2751		3353
2752	for (	3354	for (
2753	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3355	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2754	insert remove inv name archname title slaying race	3356	insert remove inv nrof name archname title slaying race
2755	decrease_ob_nr)],	3357	decrease split destroy change_exp value msg lore send_msg)],
2756	["cf::object::player" => qw(player)],	3358	["cf::object::player" => qw(player)],
2757	["cf::player" => qw(peaceful)],	3359	["cf::player" => qw(peaceful send_msg)],
2758	["cf::map" => qw(trigger)],	3360	["cf::map" => qw(trigger)],
2759	) {	3361	) {
2760	no strict 'refs';
2761	my ($pkg, @funs) = @$_;	3362	my ($pkg, @funs) = @$_;
2762	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3363	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2763	for @funs;	3364	for @funs;
2764	}	3365	}
2765		3366
…		…
2780		3381
2781	my $qcode = $code;	3382	my $qcode = $code;
2782	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3383	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2783	$qcode =~ s/\n/\\n/g;	3384	$qcode =~ s/\n/\\n/g;
2784		3385
		3386	%vars = (_dummy => 0) unless %vars;
		3387
		3388	my @res;
2785	local $_;	3389	local $_;
2786	local @safe::cf::_safe_eval_args = values %vars;
2787		3390
2788	my $eval =	3391	my $eval =
2789	"do {\n"	3392	"do {\n"
2790	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3393	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2791	. "#line 0 \"{$qcode}\"\n"	3394	. "#line 0 \"{$qcode}\"\n"
2792	. $code	3395	. $code
2793	. "\n}"	3396	. "\n}"
2794	;	3397	;
2795		3398
		3399	if ($CFG{safe_eval}) {
2796	sub_generation_inc;	3400	sub_generation_inc;
		3401	local @safe::cf::_safe_eval_args = values %vars;
2797	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3402	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2798	sub_generation_inc;	3403	sub_generation_inc;
		3404	} else {
		3405	local @cf::_safe_eval_args = values %vars;
		3406	@res = wantarray ? eval eval : scalar eval $eval;
		3407	}
2799		3408
2800	if ($@) {	3409	if ($@) {
2801	warn "$@";	3410	warn "$@",
2802	warn "while executing safe code '$code'\n";	3411	"while executing safe code '$code'\n",
2803	warn "with arguments " . (join " ", %vars) . "\n";	3412	"with arguments " . (join " ", %vars) . "\n";
2804	}	3413	}
2805		3414
2806	wantarray ? @res : $res[0]	3415	wantarray ? @res : $res[0]
2807	}	3416	}
2808		3417
…		…
2822	=cut	3431	=cut
2823		3432
2824	sub register_script_function {	3433	sub register_script_function {
2825	my ($fun, $cb) = @_;	3434	my ($fun, $cb) = @_;
2826		3435
2827	no strict 'refs';	3436	$fun = "safe::$fun" if $CFG{safe_eval};
2828	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3437	*$fun = $safe_hole->wrap ($cb);
2829	}	3438	}
2830		3439
2831	=back	3440	=back
2832		3441
2833	=cut	3442	=cut
…		…
2836	# the server's init and main functions	3445	# the server's init and main functions
2837		3446
2838	sub load_facedata($) {	3447	sub load_facedata($) {
2839	my ($path) = @_;	3448	my ($path) = @_;
2840		3449
		3450	# HACK to clear player env face cache, we need some signal framework
		3451	# for this (global event?)
		3452	%ext::player_env::MUSIC_FACE_CACHE = ();
		3453
2841	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3454	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2842		3455
2843	warn "loading facedata from $path\n";	3456	trace "loading facedata from $path\n";
2844		3457
2845	my $facedata;	3458	my $facedata = decode_storable load_file $path;
2846	0 < aio_load $path, $facedata
2847	or die "$path: $!";
2848
2849	$facedata = Coro::Storable::thaw $facedata;
2850		3459
2851	$facedata->{version} == 2	3460	$facedata->{version} == 2
2852	or cf::cleanup "$path: version mismatch, cannot proceed.";	3461	or cf::cleanup "$path: version mismatch, cannot proceed.";
2853		3462
2854	# patch in the exptable	3463	# patch in the exptable
		3464	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2855	$facedata->{resource}{"res/exp_table"} = {	3465	$facedata->{resource}{"res/exp_table"} = {
2856	type => FT_RSRC,	3466	type => FT_RSRC,
2857	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3467	data => $exp_table,
		3468	hash => (Digest::MD5::md5 $exp_table),
2858	};	3469	};
2859	cf::cede_to_tick;	3470	cf::cede_to_tick;
2860		3471
2861	{	3472	{
2862	my $faces = $facedata->{faceinfo};	3473	my $faces = $facedata->{faceinfo};
2863		3474
2864	while (my ($face, $info) = each %$faces) {	3475	while (my ($face, $info) = each %$faces) {
2865	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3476	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3477
2866	cf::face::set_visibility $idx, $info->{visibility};	3478	cf::face::set_visibility $idx, $info->{visibility};
2867	cf::face::set_magicmap $idx, $info->{magicmap};	3479	cf::face::set_magicmap $idx, $info->{magicmap};
2868	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3480	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2869	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3481	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3482	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2870		3483
2871	cf::cede_to_tick;	3484	cf::cede_to_tick;
2872	}	3485	}
2873		3486
2874	while (my ($face, $info) = each %$faces) {	3487	while (my ($face, $info) = each %$faces) {
2875	next unless $info->{smooth};	3488	next unless $info->{smooth};
		3489
2876	my $idx = cf::face::find $face	3490	my $idx = cf::face::find $face
2877	or next;	3491	or next;
		3492
2878	if (my $smooth = cf::face::find $info->{smooth}) {	3493	if (my $smooth = cf::face::find $info->{smooth}) {
2879	cf::face::set_smooth $idx, $smooth;	3494	cf::face::set_smooth $idx, $smooth;
2880	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3495	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2881	} else {	3496	} else {
2882	warn "smooth face '$info->{smooth}' not found for face '$face'";	3497	error "smooth face '$info->{smooth}' not found for face '$face'";
2883	}	3498	}
2884		3499
2885	cf::cede_to_tick;	3500	cf::cede_to_tick;
2886	}	3501	}
2887	}	3502	}
…		…
2896		3511
2897	cf::anim::invalidate_all; # d'oh	3512	cf::anim::invalidate_all; # d'oh
2898	}	3513	}
2899		3514
2900	{	3515	{
2901	# TODO: for gcfclient pleasure, we should give resources
2902	# that gcfclient doesn't grok a >10000 face index.
2903	my $res = $facedata->{resource};	3516	my $res = $facedata->{resource};
2904		3517
2905	my $soundconf = delete $res->{"res/sound.conf"};
2906
2907	while (my ($name, $info) = each %$res) {	3518	while (my ($name, $info) = each %$res) {
		3519	if (defined $info->{type}) {
2908	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3520	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2909	my $data;
2910		3521
2911	if ($info->{type} & 1) {	3522	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2912	# prepend meta info	3523	cf::face::set_type $idx, $info->{type};
2913
2914	my $meta = $enc->encode ({
2915	name => $name,
2916	%{ $info->{meta} || {} },
2917	});
2918
2919	$data = pack "(w/a*)*", $meta, $info->{data};
2920	} else {	3524	} else {
2921	$data = $info->{data};	3525	$RESOURCE{$name} = $info; # unused
2922	}	3526	}
2923		3527
2924	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2925	cf::face::set_type $idx, $info->{type};
2926
2927	cf::cede_to_tick;	3528	cf::cede_to_tick;
2928	}	3529	}
2929
2930	if ($soundconf) {
2931	$soundconf = $enc->decode (delete $soundconf->{data});
2932
2933	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2934	my $sound = $soundconf->{compat}[$_]
2935	or next;
2936
2937	my $face = cf::face::find "sound/$sound->[1]";
2938	cf::sound::set $sound->[0] => $face;
2939	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2940	}
2941
2942	while (my ($k, $v) = each %{$soundconf->{event}}) {
2943	my $face = cf::face::find "sound/$v";
2944	cf::sound::set $k => $face;
2945	}
2946	}
2947	}	3530	}
		3531
		3532	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2948		3533
2949	1	3534	1
2950	}	3535	}
2951		3536
2952	register_exticmd fx_want => sub {	3537	register_exticmd fx_want => sub {
…		…
2955	while (my ($k, $v) = each %$want) {	3540	while (my ($k, $v) = each %$want) {
2956	$ns->fx_want ($k, $v);	3541	$ns->fx_want ($k, $v);
2957	}	3542	}
2958	};	3543	};
2959		3544
		3545	sub load_resource_file($) {
		3546	my $guard = lock_acquire "load_resource_file";
		3547
		3548	my $status = load_resource_file_ $_[0];
		3549	get_slot 0.1, 100;
		3550	cf::arch::commit_load;
		3551
		3552	$status
		3553	}
		3554
2960	sub reload_regions {	3555	sub reload_regions {
		3556	# HACK to clear player env face cache, we need some signal framework
		3557	# for this (global event?)
		3558	%ext::player_env::MUSIC_FACE_CACHE = ();
		3559
2961	load_resource_file "$MAPDIR/regions"	3560	load_resource_file "$MAPDIR/regions"
2962	or die "unable to load regions file\n";	3561	or die "unable to load regions file\n";
2963		3562
2964	for (cf::region::list) {	3563	for (cf::region::list) {
2965	$_->{match} = qr/$_->{match}/	3564	$_->{match} = qr/$_->{match}/
…		…
2973	}	3572	}
2974		3573
2975	sub reload_archetypes {	3574	sub reload_archetypes {
2976	load_resource_file "$DATADIR/archetypes"	3575	load_resource_file "$DATADIR/archetypes"
2977	or die "unable to load archetypes\n";	3576	or die "unable to load archetypes\n";
2978	#d# NEED to laod twice to resolve forward references
2979	# this really needs to be done in an extra post-pass
2980	# (which needs to be synchronous, so solve it differently)
2981	load_resource_file "$DATADIR/archetypes"
2982	or die "unable to load archetypes\n";
2983	}	3577	}
2984		3578
2985	sub reload_treasures {	3579	sub reload_treasures {
2986	load_resource_file "$DATADIR/treasures"	3580	load_resource_file "$DATADIR/treasures"
2987	or die "unable to load treasurelists\n";	3581	or die "unable to load treasurelists\n";
2988	}	3582	}
2989		3583
		3584	sub reload_sound {
		3585	trace "loading sound config from $DATADIR/sound\n";
		3586
		3587	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3588
		3589	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3590	my $sound = $soundconf->{compat}[$_]
		3591	or next;
		3592
		3593	my $face = cf::face::find "sound/$sound->[1]";
		3594	cf::sound::set $sound->[0] => $face;
		3595	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3596	}
		3597
		3598	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3599	my $face = cf::face::find "sound/$v";
		3600	cf::sound::set $k => $face;
		3601	}
		3602	}
		3603
2990	sub reload_resources {	3604	sub reload_resources {
2991	warn "reloading resource files...\n";	3605	trace "reloading resource files...\n";
2992		3606
		3607	reload_exp_table;
		3608	reload_materials;
		3609	reload_facedata;
		3610	reload_sound;
		3611	reload_archetypes;
2993	reload_regions;	3612	reload_regions;
2994	reload_facedata;
2995	#reload_archetypes;#d#
2996	reload_archetypes;
2997	reload_treasures;	3613	reload_treasures;
2998		3614
2999	warn "finished reloading resource files\n";	3615	trace "finished reloading resource files\n";
3000	}
3001
3002	sub init {
3003	reload_resources;
3004	}	3616	}
3005		3617
3006	sub reload_config {	3618	sub reload_config {
3007	open my $fh, "<:utf8", "$CONFDIR/config"	3619	trace "reloading config file...\n";
3008	or return;
3009		3620
3010	local $/;	3621	my $config = load_file "$CONFDIR/config";
3011	*CFG = YAML::Syck::Load <$fh>;	3622	utf8::decode $config;
		3623	*CFG = decode_yaml $config;
3012		3624
3013	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3625	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3014		3626
3015	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3627	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3016	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3628	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3017		3629
3018	if (exists $CFG{mlockall}) {	3630	if (exists $CFG{mlockall}) {
…		…
3022	};	3634	};
3023	warn $@ if $@;	3635	warn $@ if $@;
3024	}	3636	}
3025	}	3637	}
3026		3638
		3639	sub pidfile() {
		3640	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3641	or die "$PIDFILE: $!";
		3642	flock $fh, &Fcntl::LOCK_EX
		3643	or die "$PIDFILE: flock: $!";
		3644	$fh
		3645	}
		3646
		3647	# make sure only one server instance is running at any one time
		3648	sub atomic {
		3649	my $fh = pidfile;
		3650
		3651	my $pid = <$fh>;
		3652	kill 9, $pid if $pid > 0;
		3653
		3654	seek $fh, 0, 0;
		3655	print $fh $$;
		3656	}
		3657
		3658	sub main_loop {
		3659	trace "EV::loop starting\n";
		3660	if (1) {
		3661	EV::loop;
		3662	}
		3663	trace "EV::loop returned\n";
		3664	goto &main_loop unless $REALLY_UNLOOP;
		3665	}
		3666
3027	sub main {	3667	sub main {
		3668	cf::init_globals; # initialise logging
		3669
		3670	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3671	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3672	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3673	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3674
		3675	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3676
3028	# we must not ever block the main coroutine	3677	# we must not ever block the main coroutine
3029	local $Coro::idle = sub {	3678	local $Coro::idle = sub {
3030	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3679	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3031	(async {	3680	(async {
3032	Event::one_event;	3681	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3682	EV::loop EV::LOOP_ONESHOT;
3033	})->prio (Coro::PRIO_MAX);	3683	})->prio (Coro::PRIO_MAX);
3034	};	3684	};
3035		3685
		3686	evthread_start IO::AIO::poll_fileno;
		3687
		3688	cf::sync_job {
		3689	cf::incloader::init ();
		3690
		3691	cf::init_anim;
		3692	cf::init_attackmess;
		3693	cf::init_dynamic;
		3694
		3695	cf::load_settings;
		3696
		3697	reload_resources;
3036	reload_config;	3698	reload_config;
3037	db_init;	3699	db_init;
		3700
		3701	cf::init_uuid;
		3702	cf::init_signals;
		3703	cf::init_skills;
		3704
		3705	cf::init_beforeplay;
		3706
		3707	atomic;
		3708
3038	load_extensions;	3709	load_extensions;
3039		3710
3040	$TICK_WATCHER->start;	3711	utime time, time, $RUNTIMEFILE;
3041	Event::loop;	3712
		3713	# no (long-running) fork's whatsoever before this point(!)
		3714	use POSIX ();
		3715	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3716
		3717	cf::_post_init 0;
		3718	};
		3719
		3720	cf::object::thawer::errors_are_fatal 0;
		3721	info "parse errors in files are no longer fatal from this point on.\n";
		3722
		3723	AE::postpone {
		3724	undef &main; # free gobs of memory :)
		3725	};
		3726
		3727	goto &main_loop;
3042	}	3728	}
3043		3729
3044	#############################################################################	3730	#############################################################################
3045	# initialisation and cleanup	3731	# initialisation and cleanup
3046		3732
3047	# install some emergency cleanup handlers	3733	# install some emergency cleanup handlers
3048	BEGIN {	3734	BEGIN {
		3735	our %SIGWATCHER = ();
3049	for my $signal (qw(INT HUP TERM)) {	3736	for my $signal (qw(INT HUP TERM)) {
3050	Event->signal (	3737	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3051	reentrant => 0,
3052	data => WF_AUTOCANCEL,
3053	signal => $signal,
3054	prio => 0,
3055	cb => sub {
3056	cf::cleanup "SIG$signal";	3738	cf::cleanup "SIG$signal";
3057	},
3058	);	3739	};
3059	}	3740	}
3060	}	3741	}
3061		3742
3062	sub write_runtime {	3743	sub write_runtime_sync {
3063	my $runtime = "$LOCALDIR/runtime";	3744	my $t0 = AE::time;
3064		3745
3065	# first touch the runtime file to show we are still running:	3746	# first touch the runtime file to show we are still running:
3066	# the fsync below can take a very very long time.	3747	# the fsync below can take a very very long time.
3067		3748
3068	IO::AIO::aio_utime $runtime, undef, undef;	3749	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3069		3750
3070	my $guard = cf::lock_acquire "write_runtime";	3751	my $guard = cf::lock_acquire "write_runtime";
3071		3752
3072	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3753	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3073	or return;	3754	or return;
3074		3755
3075	my $value = $cf::RUNTIME + 90 + 10;	3756	my $value = $cf::RUNTIME + 90 + 10;
3076	# 10 is the runtime save interval, for a monotonic clock	3757	# 10 is the runtime save interval, for a monotonic clock
3077	# 60 allows for the watchdog to kill the server.	3758	# 60 allows for the watchdog to kill the server.
…		…
3087	aio_utime $fh, undef, undef;	3768	aio_utime $fh, undef, undef;
3088		3769
3089	close $fh	3770	close $fh
3090	or return;	3771	or return;
3091		3772
3092	aio_rename "$runtime~", $runtime	3773	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3093	and return;	3774	and return;
3094		3775
3095	warn "runtime file written.\n";	3776	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3096		3777
3097	1	3778	1
		3779	}
		3780
		3781	our $uuid_lock;
		3782	our $uuid_skip;
		3783
		3784	sub write_uuid_sync($) {
		3785	$uuid_skip ||= $_[0];
		3786
		3787	return if $uuid_lock;
		3788	local $uuid_lock = 1;
		3789
		3790	my $uuid = "$LOCALDIR/uuid";
		3791
		3792	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3793	or return;
		3794
		3795	my $value = uuid_seq uuid_cur;
		3796
		3797	unless ($value) {
		3798	info "cowardly refusing to write zero uuid value!\n";
		3799	return;
		3800	}
		3801
		3802	my $value = uuid_str $value + $uuid_skip;
		3803	$uuid_skip = 0;
		3804
		3805	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3806	and return;
		3807
		3808	# always fsync - this file is important
		3809	aio_fsync $fh
		3810	and return;
		3811
		3812	close $fh
		3813	or return;
		3814
		3815	aio_rename "$uuid~", $uuid
		3816	and return;
		3817
		3818	trace "uuid file written ($value).\n";
		3819
		3820	1
		3821
		3822	}
		3823
		3824	sub write_uuid($$) {
		3825	my ($skip, $sync) = @_;
		3826
		3827	$sync ? write_uuid_sync $skip
		3828	: async { write_uuid_sync $skip };
3098	}	3829	}
3099		3830
3100	sub emergency_save() {	3831	sub emergency_save() {
3101	my $freeze_guard = cf::freeze_mainloop;	3832	my $freeze_guard = cf::freeze_mainloop;
3102		3833
3103	warn "enter emergency perl save\n";	3834	info "emergency_perl_save: enter\n";
		3835
		3836	# this is a trade-off: we want to be very quick here, so
		3837	# save all maps without fsync, and later call a global sync
		3838	# (which in turn might be very very slow)
		3839	local $USE_FSYNC = 0;
3104		3840
3105	cf::sync_job {	3841	cf::sync_job {
		3842	cf::write_runtime_sync; # external watchdog should not bark
		3843
3106	# use a peculiar iteration method to avoid tripping on perl	3844	# use a peculiar iteration method to avoid tripping on perl
3107	# refcount bugs in for. also avoids problems with players	3845	# refcount bugs in for. also avoids problems with players
3108	# and maps saved/destroyed asynchronously.	3846	# and maps saved/destroyed asynchronously.
3109	warn "begin emergency player save\n";	3847	info "emergency_perl_save: begin player save\n";
3110	for my $login (keys %cf::PLAYER) {	3848	for my $login (keys %cf::PLAYER) {
3111	my $pl = $cf::PLAYER{$login} or next;	3849	my $pl = $cf::PLAYER{$login} or next;
3112	$pl->valid or next;	3850	$pl->valid or next;
		3851	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3113	$pl->save;	3852	$pl->save;
3114	}	3853	}
3115	warn "end emergency player save\n";	3854	info "emergency_perl_save: end player save\n";
3116		3855
3117	warn "begin emergency map save\n";	3856	cf::write_runtime_sync; # external watchdog should not bark
		3857
		3858	info "emergency_perl_save: begin map save\n";
3118	for my $path (keys %cf::MAP) {	3859	for my $path (keys %cf::MAP) {
3119	my $map = $cf::MAP{$path} or next;	3860	my $map = $cf::MAP{$path} or next;
3120	$map->valid or next;	3861	$map->valid or next;
3121	$map->save;	3862	$map->save;
3122	}	3863	}
3123	warn "end emergency map save\n";	3864	info "emergency_perl_save: end map save\n";
3124		3865
3125	warn "begin emergency database checkpoint\n";	3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	info "emergency_perl_save: begin database checkpoint\n";
3126	BDB::db_env_txn_checkpoint $DB_ENV;	3869	BDB::db_env_txn_checkpoint $DB_ENV;
3127	warn "end emergency database checkpoint\n";	3870	info "emergency_perl_save: end database checkpoint\n";
		3871
		3872	info "emergency_perl_save: begin write uuid\n";
		3873	write_uuid_sync 1;
		3874	info "emergency_perl_save: end write uuid\n";
		3875
		3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	trace "emergency_perl_save: syncing database to disk";
		3879	BDB::db_env_txn_checkpoint $DB_ENV;
		3880
		3881	info "emergency_perl_save: starting sync\n";
		3882	IO::AIO::aio_sync sub {
		3883	info "emergency_perl_save: finished sync\n";
		3884	};
		3885
		3886	cf::write_runtime_sync; # external watchdog should not bark
		3887
		3888	trace "emergency_perl_save: flushing outstanding aio requests";
		3889	while (IO::AIO::nreqs || BDB::nreqs) {
		3890	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3891	}
		3892
		3893	cf::write_runtime_sync; # external watchdog should not bark
3128	};	3894	};
3129		3895
3130	warn "leave emergency perl save\n";	3896	info "emergency_perl_save: leave\n";
3131	}	3897	}
3132		3898
3133	sub post_cleanup {	3899	sub post_cleanup {
3134	my ($make_core) = @_;	3900	my ($make_core) = @_;
3135		3901
		3902	IO::AIO::flush;
		3903
3136	warn Carp::longmess "post_cleanup backtrace"	3904	error Carp::longmess "post_cleanup backtrace"
3137	if $make_core;	3905	if $make_core;
		3906
		3907	my $fh = pidfile;
		3908	unlink $PIDFILE if <$fh> == $$;
		3909	}
		3910
		3911	# a safer delete_package, copied from Symbol
		3912	sub clear_package($) {
		3913	my $pkg = shift;
		3914
		3915	# expand to full symbol table name if needed
		3916	unless ($pkg =~ /^main::.*::$/) {
		3917	$pkg = "main$pkg" if $pkg =~ /^::/;
		3918	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3919	$pkg .= '::' unless $pkg =~ /::$/;
		3920	}
		3921
		3922	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3923	my $stem_symtab = *{$stem}{HASH};
		3924
		3925	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3926	or return;
		3927
		3928	# clear all symbols
		3929	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3930	for my $name (keys %$leaf_symtab) {
		3931	_gv_clear *{"$pkg$name"};
		3932	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3933	}
3138	}	3934	}
3139		3935
3140	sub do_reload_perl() {	3936	sub do_reload_perl() {
3141	# can/must only be called in main	3937	# can/must only be called in main
3142	if ($Coro::current != $Coro::main) {	3938	unless (in_main) {
3143	warn "can only reload from main coroutine";	3939	error "can only reload from main coroutine";
3144	return;	3940	return;
3145	}	3941	}
3146		3942
3147	warn "reloading...";	3943	return if $RELOAD++;
3148		3944
3149	warn "entering sync_job";	3945	my $t1 = AE::time;
3150		3946
		3947	while ($RELOAD) {
		3948	cf::get_slot 0.1, -1, "reload_perl";
		3949	info "perl_reload: reloading...";
		3950
		3951	trace "perl_reload: entering sync_job";
		3952
3151	cf::sync_job {	3953	cf::sync_job {
3152	cf::write_runtime; # external watchdog should not bark
3153	cf::emergency_save;	3954	#cf::emergency_save;
3154	cf::write_runtime; # external watchdog should not bark
3155		3955
3156	warn "syncing database to disk";
3157	BDB::db_env_txn_checkpoint $DB_ENV;
3158
3159	# if anything goes wrong in here, we should simply crash as we already saved
3160
3161	warn "cancelling all WF_AUTOCANCEL watchers";
3162	for (Event::all_watchers) {
3163	$_->cancel if $_->data & WF_AUTOCANCEL;
3164	}
3165
3166	warn "flushing outstanding aio requests";
3167	for (;;) {
3168	BDB::flush;
3169	IO::AIO::flush;
3170	Coro::cede;
3171	last unless IO::AIO::nreqs || BDB::nreqs;
3172	warn "iterate...";
3173	}
3174
3175	++$RELOAD;
3176
3177	warn "cancelling all extension coros";	3956	trace "perl_reload: cancelling all extension coros";
3178	$_->cancel for values %EXT_CORO;	3957	$_->cancel for values %EXT_CORO;
3179	%EXT_CORO = ();	3958	%EXT_CORO = ();
3180		3959
3181	warn "removing commands";	3960	trace "perl_reload: removing commands";
3182	%COMMAND = ();	3961	%COMMAND = ();
3183		3962
3184	warn "removing ext/exti commands";	3963	trace "perl_reload: removing ext/exti commands";
3185	%EXTCMD = ();	3964	%EXTCMD = ();
3186	%EXTICMD = ();	3965	%EXTICMD = ();
3187		3966
3188	warn "unloading/nuking all extensions";	3967	trace "perl_reload: unloading/nuking all extensions";
3189	for my $pkg (@EXTS) {	3968	for my $pkg (@EXTS) {
3190	warn "... unloading $pkg";	3969	trace "... unloading $pkg";
3191		3970
3192	if (my $cb = $pkg->can ("unload")) {	3971	if (my $cb = $pkg->can ("unload")) {
3193	eval {	3972	eval {
3194	$cb->($pkg);	3973	$cb->($pkg);
3195	1	3974	1
3196	} or warn "$pkg unloaded, but with errors: $@";	3975	} or error "$pkg unloaded, but with errors: $@";
		3976	}
		3977
		3978	trace "... clearing $pkg";
		3979	clear_package $pkg;
3197	}	3980	}
3198		3981
3199	warn "... nuking $pkg";
3200	Symbol::delete_package $pkg;
3201	}
3202
3203	warn "unloading all perl modules loaded from $LIBDIR";	3982	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3204	while (my ($k, $v) = each %INC) {	3983	while (my ($k, $v) = each %INC) {
3205	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3984	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3206		3985
3207	warn "... unloading $k";	3986	trace "... unloading $k";
3208	delete $INC{$k};	3987	delete $INC{$k};
3209		3988
3210	$k =~ s/\.pm$//;	3989	$k =~ s/\.pm$//;
3211	$k =~ s/\//::/g;	3990	$k =~ s/\//::/g;
3212		3991
3213	if (my $cb = $k->can ("unload_module")) {	3992	if (my $cb = $k->can ("unload_module")) {
3214	$cb->();	3993	$cb->();
		3994	}
		3995
		3996	clear_package $k;
3215	}	3997	}
3216		3998
3217	Symbol::delete_package $k;
3218	}
3219
3220	warn "getting rid of safe::, as good as possible";	3999	trace "perl_reload: getting rid of safe::, as good as possible";
3221	Symbol::delete_package "safe::$_"	4000	clear_package "safe::$_"
3222	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4001	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3223		4002
3224	warn "unloading cf.pm \"a bit\"";	4003	trace "perl_reload: unloading cf.pm \"a bit\"";
3225	delete $INC{"cf.pm"};	4004	delete $INC{"cf.pm"};
3226	delete $INC{"cf/pod.pm"};	4005	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3227		4006
3228	# don't, removes xs symbols, too,	4007	# don't, removes xs symbols, too,
3229	# and global variables created in xs	4008	# and global variables created in xs
3230	#Symbol::delete_package __PACKAGE__;	4009	#clear_package __PACKAGE__;
3231		4010
3232	warn "unload completed, starting to reload now";	4011	info "perl_reload: unload completed, starting to reload now";
3233		4012
3234	warn "reloading cf.pm";	4013	trace "perl_reload: reloading cf.pm";
3235	require cf;	4014	require cf;
3236	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4015	cf::_connect_to_perl_1;
3237		4016
3238	warn "loading config and database again";	4017	trace "perl_reload: loading config and database again";
3239	cf::reload_config;	4018	cf::reload_config;
3240		4019
3241	warn "loading extensions";	4020	trace "perl_reload: loading extensions";
3242	cf::load_extensions;	4021	cf::load_extensions;
3243		4022
		4023	if ($REATTACH_ON_RELOAD) {
3244	warn "reattaching attachments to objects/players";	4024	trace "perl_reload: reattaching attachments to objects/players";
3245	_global_reattach; # objects, sockets	4025	_global_reattach; # objects, sockets
3246	warn "reattaching attachments to maps";	4026	trace "perl_reload: reattaching attachments to maps";
3247	reattach $_ for values %MAP;	4027	reattach $_ for values %MAP;
3248	warn "reattaching attachments to players";	4028	trace "perl_reload: reattaching attachments to players";
3249	reattach $_ for values %PLAYER;	4029	reattach $_ for values %PLAYER;
		4030	}
3250		4031
3251	warn "leaving sync_job";	4032	cf::_post_init 1;
3252		4033
		4034	trace "perl_reload: leaving sync_job";
		4035
3253	1	4036	1
3254	} or do {	4037	} or do {
3255	warn $@;	4038	error $@;
3256	warn "error while reloading, exiting.";	4039	cf::cleanup "perl_reload: error, exiting.";
3257	exit 1;	4040	};
		4041
		4042	--$RELOAD;
3258	};	4043	}
3259		4044
3260	warn "reloaded";	4045	$t1 = AE::time - $t1;
		4046	info "perl_reload: completed in ${t1}s\n";
3261	};	4047	};
3262		4048
3263	our $RELOAD_WATCHER; # used only during reload	4049	our $RELOAD_WATCHER; # used only during reload
3264		4050
3265	sub reload_perl() {	4051	sub reload_perl() {
3266	# doing reload synchronously and two reloads happen back-to-back,	4052	# doing reload synchronously and two reloads happen back-to-back,
3267	# coro crashes during coro_state_free->destroy here.	4053	# coro crashes during coro_state_free->destroy here.
3268		4054
3269	$RELOAD_WATCHER ||= Event->timer (	4055	$RELOAD_WATCHER ||= cf::async {
3270	reentrant => 0,	4056	Coro::AIO::aio_wait cache_extensions;
3271	after => 0,	4057
3272	data => WF_AUTOCANCEL,	4058	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3273	cb => sub {
3274	do_reload_perl;	4059	do_reload_perl;
3275	undef $RELOAD_WATCHER;	4060	undef $RELOAD_WATCHER;
3276	},	4061	};
3277	);	4062	};
3278	}	4063	}
3279		4064
3280	register_command "reload" => sub {	4065	register_command "reload" => sub {
3281	my ($who, $arg) = @_;	4066	my ($who, $arg) = @_;
3282		4067
3283	if ($who->flag (FLAG_WIZ)) {	4068	if ($who->flag (FLAG_WIZ)) {
3284	$who->message ("reloading server.");	4069	$who->message ("reloading server.");
		4070	async {
		4071	$Coro::current->{desc} = "perl_reload";
3285	async { reload_perl };	4072	reload_perl;
		4073	};
3286	}	4074	}
3287	};	4075	};
3288		4076
3289	unshift @INC, $LIBDIR;	4077	#############################################################################
3290		4078
3291	my $bug_warning = 0;	4079	my $bug_warning = 0;
3292		4080
3293	our @WAIT_FOR_TICK;
3294	our @WAIT_FOR_TICK_BEGIN;
3295
3296	sub wait_for_tick {	4081	sub wait_for_tick() {
3297	return unless $TICK_WATCHER->is_active;	4082	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3298	return if $Coro::current == $Coro::main;
3299		4083
3300	my $signal = new Coro::Signal;	4084	$WAIT_FOR_TICK->wait;
3301	push @WAIT_FOR_TICK, $signal;
3302	$signal->wait;
3303	}	4085	}
3304		4086
3305	sub wait_for_tick_begin {	4087	sub wait_for_tick_begin() {
3306	return unless $TICK_WATCHER->is_active;	4088	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3307	return if $Coro::current == $Coro::main;
3308		4089
3309	my $signal = new Coro::Signal;	4090	my $signal = new Coro::Signal;
3310	push @WAIT_FOR_TICK_BEGIN, $signal;	4091	push @WAIT_FOR_TICK_BEGIN, $signal;
3311	$signal->wait;	4092	$signal->wait;
3312	}	4093	}
3313		4094
3314	my $min = 1e6;#d#	4095	sub tick {
3315	my $avg = 10;
3316	$TICK_WATCHER = Event->timer (
3317	reentrant => 0,
3318	parked => 1,
3319	prio => 0,
3320	at => $NEXT_TICK || $TICK,
3321	data => WF_AUTOCANCEL,
3322	cb => sub {
3323	if ($Coro::current != $Coro::main) {	4096	if ($Coro::current != $Coro::main) {
3324	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4097	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3325	unless ++$bug_warning > 10;	4098	unless ++$bug_warning > 10;
3326	return;	4099	return;
3327	}	4100	}
3328		4101
3329	$NOW = $tick_start = Event::time;	4102	cf::one_tick; # one server iteration
3330		4103
3331	cf::server_tick; # one server iteration	4104	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3332		4105
3333	0 && sync_job {#d#	4106	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3334	for(1..10) {	4107	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3335	my $t = Event::time;	4108	Coro::async_pool {
3336	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4109	$Coro::current->{desc} = "runtime saver";
3337	or die;	4110	write_runtime_sync
3338		4111	or error "ERROR: unable to write runtime file: $!";
3339	$map->width (50);
3340	$map->height (50);
3341	$map->alloc;
3342	$map->_load_objects ("/tmp/x.map", 1);
3343	my $t = Event::time - $t;
3344
3345	#next unless $t < 0.0013;#d#
3346	if ($t < $min) {
3347	$min = $t;
3348	}
3349	$avg = $avg * 0.99 + $t * 0.01;
3350	}
3351	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3352	exit 0;
3353	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3354	};	4112	};
		4113	}
3355		4114
3356	$RUNTIME += $TICK;
3357	$NEXT_TICK += $TICK;
3358
3359	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3360	$NEXT_RUNTIME_WRITE = $NOW + 10;
3361	Coro::async_pool {
3362	write_runtime
3363	or warn "ERROR: unable to write runtime file: $!";
3364	};
3365	}
3366
3367	# my $AFTER = Event::time;
3368	# warn $AFTER - $NOW;#d#
3369
3370	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4115	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3371	$sig->send;	4116	$sig->send;
3372	}	4117	}
3373	while (my $sig = shift @WAIT_FOR_TICK) {	4118	$WAIT_FOR_TICK->broadcast;
3374	$sig->send;
3375	}
3376		4119
3377	$NOW = Event::time;	4120	$LOAD = ($NOW - $TICK_START) / $TICK;
3378
3379	# if we are delayed by four ticks or more, skip them all
3380	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3381
3382	$TICK_WATCHER->at ($NEXT_TICK);
3383	$TICK_WATCHER->start;
3384
3385	$LOAD = ($NOW - $tick_start) / $TICK;
3386	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4121	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3387		4122
3388	_post_tick;	4123	if (0) {
3389		4124	if ($NEXT_TICK) {
3390		4125	my $jitter = $TICK_START - $NEXT_TICK;
		4126	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4127	debug "jitter $JITTER\n";#d#
		4128	}
3391	},	4129	}
3392	);	4130	}
3393		4131
3394	{	4132	{
3395	BDB::max_poll_time $TICK * 0.1;	4133	# configure BDB
3396	$BDB_POLL_WATCHER = Event->io (	4134
3397	reentrant => 0,
3398	fd => BDB::poll_fileno,
3399	poll => 'r',
3400	prio => 0,
3401	data => WF_AUTOCANCEL,
3402	cb => \&BDB::poll_cb,
3403	);
3404	BDB::min_parallel 8;	4135	BDB::min_parallel 16;
3405		4136	BDB::max_poll_reqs $TICK * 0.1;
3406	BDB::set_sync_prepare {	4137	#$AnyEvent::BDB::WATCHER->priority (1);
3407	my $status;
3408	my $current = $Coro::current;
3409	(
3410	sub {
3411	$status = $!;
3412	$current->ready; undef $current;
3413	},
3414	sub {
3415	Coro::schedule while defined $current;
3416	$! = $status;
3417	},
3418	)
3419	};
3420		4138
3421	unless ($DB_ENV) {	4139	unless ($DB_ENV) {
3422	$DB_ENV = BDB::db_env_create;	4140	$DB_ENV = BDB::db_env_create;
		4141	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4142	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4143	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4144	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4145	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3423		4146
3424	cf::sync_job {	4147	cf::sync_job {
3425	eval {	4148	eval {
3426	BDB::db_env_open	4149	BDB::db_env_open
3427	$DB_ENV,	4150	$DB_ENV,
…		…
3429	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4152	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3430	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4153	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3431	0666;	4154	0666;
3432		4155
3433	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4156	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3434
3435	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3436	$DB_ENV->set_lk_detect;
3437	};	4157	};
3438		4158
3439	cf::cleanup "db_env_open(db): $@" if $@;	4159	cf::cleanup "db_env_open(db): $@" if $@;
3440	};	4160	};
3441	}	4161	}
		4162
		4163	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4164	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4165	};
		4166	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4167	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4168	};
		4169	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4170	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4171	};
3442	}	4172	}
3443		4173
3444	{	4174	{
		4175	# configure IO::AIO
		4176
3445	IO::AIO::min_parallel 8;	4177	IO::AIO::min_parallel 8;
3446
3447	undef $Coro::AIO::WATCHER;
3448	IO::AIO::max_poll_time $TICK * 0.1;	4178	IO::AIO::max_poll_time $TICK * 0.1;
3449	$AIO_POLL_WATCHER = Event->io (	4179	undef $AnyEvent::AIO::WATCHER;
3450	reentrant => 0,
3451	data => WF_AUTOCANCEL,
3452	fd => IO::AIO::poll_fileno,
3453	poll => 'r',
3454	prio => 6,
3455	cb => \&IO::AIO::poll_cb,
3456	);
3457	}	4180	}
3458		4181
3459	my $_log_backtrace;	4182	our $_log_backtrace;
		4183	our $_log_backtrace_last;
3460		4184
3461	sub _log_backtrace {	4185	sub _log_backtrace {
3462	my ($msg, @addr) = @_;	4186	my ($msg, @addr) = @_;
3463		4187
3464	$msg =~ s/\n//;	4188	$msg =~ s/\n$//;
3465		4189
		4190	if ($_log_backtrace_last eq $msg) {
		4191	LOG llevInfo, "[ABT] $msg\n";
		4192	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3466	# limit the # of concurrent backtraces	4193	# limit the # of concurrent backtraces
3467	if ($_log_backtrace < 2) {	4194	} elsif ($_log_backtrace < 2) {
		4195	$_log_backtrace_last = $msg;
3468	++$_log_backtrace;	4196	++$_log_backtrace;
		4197	my $perl_bt = Carp::longmess $msg;
3469	async {	4198	async {
		4199	$Coro::current->{desc} = "abt $msg";
		4200
3470	my @bt = fork_call {	4201	my @bt = fork_call {
3471	@addr = map { sprintf "%x", $_ } @addr;	4202	@addr = map { sprintf "%x", $_ } @addr;
3472	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4203	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3473	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4204	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3474	or die "addr2line: $!";	4205	or die "addr2line: $!";
…		…
3482	}	4213	}
3483		4214
3484	@funcs	4215	@funcs
3485	};	4216	};
3486		4217
3487	LOG llevInfo, "[ABT] $msg\n";	4218	LOG llevInfo, "[ABT] $perl_bt\n";
		4219	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3488	LOG llevInfo, "[ABT] $_\n" for @bt;	4220	LOG llevInfo, "[ABT] $_\n" for @bt;
3489	--$_log_backtrace;	4221	--$_log_backtrace;
3490	};	4222	};
3491	} else {	4223	} else {
3492	LOG llevInfo, "[ABT] $msg\n";	4224	LOG llevInfo, "[ABT] $msg\n";
3493	LOG llevInfo, "[ABT] [suppressed]\n";	4225	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3494	}	4226	}
3495	}	4227	}
3496		4228
3497	# load additional modules	4229	# load additional modules
3498	use cf::pod;	4230	require "cf/$_.pm" for @EXTRA_MODULES;
		4231	cf::_connect_to_perl_2;
3499		4232
3500	END { cf::emergency_save }	4233	END { cf::emergency_save }
3501		4234
3502	1	4235	1
3503		4236

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