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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.357 by root, Tue Sep 4 08:42:58 2007 UTC vs.
Revision 1.573 by root, Sun May 8 12:40:42 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 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
84	our $BDB_POLL_WATCHER;
85	our $DB_ENV;
86
87	our %CFG;
88
89	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;
91		139
92	our (%PLAYER, %PLAYER_LOADING); # all users	140	our (%PLAYER, %PLAYER_LOADING); # all users
93	our (%MAP, %MAP_LOADING ); # all maps	141	our (%MAP, %MAP_LOADING ); # 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 ($cb, @args) = @_;
483		698
484	# we seemingly have to make a local copy of the whole thing,	699	# we seemingly have to make a local copy of the whole thing,
485	# otherwise perl prematurely frees the stuff :/	700	# otherwise perl prematurely frees the stuff :/
486	# TODO: investigate and fix (likely this will be rather laborious)	701	# TODO: investigate and fix (likely this will be rather laborious)
487		702
488	my @res = Coro::Util::fork_eval {	703	my @res = Coro::Util::fork_eval {
489	reset_signals;	704	cf::post_fork;
490	&$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, %{$args || {} });
…		…
1005	);	1301	);
1006		1302
1007	sub object_freezer_save {	1303	sub object_freezer_save {
1008	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
1009		1305
1010	my $guard = cf::lock_acquire "io";
1011
1012	sync_job {	1306	sync_job {
1013	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
1014	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
1015	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
1016		1312
1017	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1018	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
1019	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1020	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	}
1021	close $fh;	1320	aio_close $fh;
1022		1321
1023	if (@$objs) {	1322	if (@$objs) {
1024	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) {
1025	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
1026	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1027	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
1028	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	}
1029	close $fh;	1331	aio_close $fh;
1030	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
1031	}	1333	}
1032	} else {	1334	} else {
1033	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
1034	}	1336	}
1035		1337
1036	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
1037	} else {	1342	} else {
1038	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
1039	}	1344	}
1040	} else {	1345	} else {
1041	aio_unlink $filename;	1346	aio_unlink $filename;
1042	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
1043	}	1348	}
1044	};	1349	};
1045
1046	undef $guard;
1047	}	1350	}
1048		1351
1049	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
1050	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
1051		1354
…		…
1056		1359
1057	sub object_thawer_load {	1360	sub object_thawer_load {
1058	my ($filename) = @_;	1361	my ($filename) = @_;
1059		1362
1060	my ($data, $av);	1363	my ($data, $av);
1061
1062	my $guard = cf::lock_acquire "io";
1063		1364
1064	(aio_load $filename, $data) >= 0	1365	(aio_load $filename, $data) >= 0
1065	or return;	1366	or return;
1066		1367
1067	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
1068	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
1069	or return;	1370	or return;
1070		1371
1071	undef $guard;
1072	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
1073	}	1374	}
1074		1375
		1376	utf8::decode (my $decname = $filename);
1075	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
1076	$filename, length $data, scalar @{$av || []};	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
1077		1380
1078	($data, $av)	1381	($data, $av)
1079	}	1382	}
1080		1383
1081	=head2 COMMAND CALLBACKS	1384	=head2 COMMAND CALLBACKS
…		…
1137	my ($name, $cb) = @_;	1440	my ($name, $cb) = @_;
1138		1441
1139	$EXTICMD{$name} = $cb;	1442	$EXTICMD{$name} = $cb;
1140	}	1443	}
1141		1444
		1445	use File::Glob ();
		1446
1142	cf::player->attach (	1447	cf::player->attach (
1143	on_command => sub {	1448	on_unknown_command => sub {
1144	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
1145		1450
1146	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
1147	or return;	1452	or return;
1148		1453
…		…
1171		1476
1172	$pl->ext_reply ($reply, @reply)	1477	$pl->ext_reply ($reply, @reply)
1173	if $reply;	1478	if $reply;
1174		1479
1175	} else {	1480	} else {
1176	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1177	}	1482	}
1178		1483
1179	cf::override;	1484	cf::override;
1180	},	1485	},
1181	);	1486	);
1182		1487
		1488	# "readahead" all extensions
		1489	sub cache_extensions {
		1490	my $grp = IO::AIO::aio_group;
		1491
		1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1493	for (grep /\.ext$/, @{$_[0]}) {
		1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1495	}
		1496	};
		1497
		1498	$grp
		1499	}
		1500
1183	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
1184	cf::sync_job {	1504	cf::sync_job {
1185	my %todo;	1505	my %todo;
1186		1506
1187	for my $path (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
1188	next unless -r $path;	1508	next unless -r $path;
…		…
1206		1526
1207	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1527	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1208	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1528	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1209		1529
1210	$ext{source} =	1530	$ext{source} =
1211	"package $pkg; use strict; use utf8;\n"	1531	"package $pkg; use common::sense;\n"
1212	. "#line 1 \"$path\"\n{\n"	1532	. "#line 1 \"$path\"\n{\n"
1213	. $source	1533	. $source
1214	. "\n};\n1";	1534	. "\n};\n1";
1215		1535
1216	$todo{$base} = \%ext;	1536	$todo{$base} = \%ext;
1217	}	1537	}
1218		1538
		1539	my $pass = 0;
1219	my %done;	1540	my %done;
1220	while (%todo) {	1541	while (%todo) {
1221	my $progress;	1542	my $progress;
1222		1543
		1544	++$pass;
		1545
		1546	ext:
1223	while (my ($k, $v) = each %todo) {	1547	while (my ($k, $v) = each %todo) {
1224	for (split /,\s*/, $v->{meta}{depends}) {	1548	for (split /,\s*/, $v->{meta}{depends}) {
1225	goto skip	1549	next ext
1226	unless exists $done{$_};	1550	unless exists $done{$_};
1227	}	1551	}
1228		1552
1229	warn "... loading '$k' into '$v->{pkg}'\n";	1553	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1230		1554
1231	unless (eval $v->{source}) {	1555	my $active = eval $v->{source};
		1556
		1557	if (length $@) {
1232	my $msg = $@ ? "$v->{path}: $@\n"	1558	error "$v->{path}: $@\n";
1233	: "$v->{base}: extension inactive.\n";
1234		1559
		1560	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1235	if (exists $v->{meta}{mandatory}) {	1561	if exists $v->{meta}{mandatory};
1236	warn $msg;	1562
1237	warn "mandatory extension failed to load, exiting.\n";	1563	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1238	exit 1;	1564	delete $todo{$k};
1239	}	1565	} else {
1240		1566	$done{$k} = delete $todo{$k};
1241	warn $msg;	1567	push @EXTS, $v->{pkg};
		1568	$progress = 1;
		1569
		1570	info "$v->{base}: extension inactive.\n"
		1571	unless $active;
1242	}	1572	}
1243
1244	$done{$k} = delete $todo{$k};
1245	push @EXTS, $v->{pkg};
1246	$progress = 1;
1247	}	1573	}
1248		1574
1249	skip:	1575	unless ($progress) {
1250	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1576	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1251	unless $progress;	1577
		1578	while (my ($k, $v) = each %todo) {
		1579	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1580	if exists $v->{meta}{mandatory};
		1581	}
		1582
		1583	last;
		1584	}
1252	}	1585	}
1253	};	1586	};
1254	}	1587	}
1255		1588
1256	#############################################################################	1589	#############################################################################
1257		1590
1258	=back	1591	=back
1259		1592
1260	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
1261		1594
1262	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
1263		1596
1264	=cut	1597	=cut
1265		1598
1266	package cf::player;	1599	package cf::player;
1267		1600
1268	use Coro::AIO;	1601	use Coro::AIO;
1269		1602
1270	=head3 cf::player	1603	=head3 cf::player
1271		1604
1272	=over 4	1605	=over 4
		1606
		1607	=item cf::player::num_playing
		1608
		1609	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1610
		1611	=cut
		1612
		1613	sub num_playing {
		1614	scalar grep
		1615	$_->ob->map
		1616	&& !$_->hidden
		1617	&& !$_->ob->flag (cf::FLAG_WIZ),
		1618	cf::player::list
		1619	}
1273		1620
1274	=item cf::player::find $login	1621	=item cf::player::find $login
1275		1622
1276	Returns the given player object, loading it if necessary (might block).	1623	Returns the given player object, loading it if necessary (might block).
1277		1624
…		…
1296		1643
1297	sub exists($) {	1644	sub exists($) {
1298	my ($login) = @_;	1645	my ($login) = @_;
1299		1646
1300	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
1301	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
1302	}	1649	}
1303		1650
1304	sub find($) {	1651	sub find($) {
1305	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
1306	my $login = $_[0];	1653	my $login = $_[0];
…		…
1316	aio_unlink +(playerdir $login) . "/$login.pl";	1663	aio_unlink +(playerdir $login) . "/$login.pl";
1317		1664
1318	my $f = new_from_file cf::object::thawer path $login	1665	my $f = new_from_file cf::object::thawer path $login
1319	or return;	1666	or return;
1320		1667
1321	$f->next;
1322	my $pl = cf::player::load_pl $f	1668	my $pl = cf::player::load_pl $f
1323	or return;	1669	or return;
		1670
1324	local $cf::PLAYER_LOADING{$login} = $pl;	1671	local $cf::PLAYER_LOADING{$login} = $pl;
1325	$f->resolve_delayed_derefs;	1672	$f->resolve_delayed_derefs;
1326	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
1327	}	1674	}
1328	}	1675	}
1329	}	1676	}
1330		1677
		1678	cf::player->attach (
		1679	on_load => sub {
		1680	my ($pl, $path) = @_;
		1681
		1682	# restore slots saved in save, below
		1683	my $slots = delete $pl->{_slots};
		1684
		1685	$pl->ob->current_weapon ($slots->[0]);
		1686	$pl->combat_ob ($slots->[1]);
		1687	$pl->ranged_ob ($slots->[2]);
		1688	},
		1689	);
		1690
1331	sub save($) {	1691	sub save($) {
1332	my ($pl) = @_;	1692	my ($pl) = @_;
1333		1693
1334	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
1335		1695
…		…
1338		1698
1339	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1340		1700
1341	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1342	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
		1703
		1704	cf::get_slot 0.01;
		1705
		1706	# save slots, to be restored later
		1707	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1343		1708
1344	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1345	cf::cede_to_tick;	1710	cf::cede_to_tick;
1346	}	1711	}
1347		1712
…		…
1379	my ($pl) = @_;	1744	my ($pl) = @_;
1380		1745
1381	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1382		1747
1383	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1384	$pl->password ("*"); # this should lock out the player until we nuked the dir	1749	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1385		1750
1386	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1387	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1388	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1389	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1390		1759
1391	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1392	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1393	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1431		1800
1432	for my $login (@$dirs) {	1801	for my $login (@$dirs) {
1433	my $path = path $login;	1802	my $path = path $login;
1434		1803
1435	# a .pst is a dead give-away for a valid player	1804	# a .pst is a dead give-away for a valid player
1436	unless (-e "$path.pst") {	1805	# if no pst file found, open and chekc for blocked users
		1806	if (aio_stat "$path.pst") {
1437	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1438	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1439	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
1440	}	1810	}
1441		1811
…		…
1445		1815
1446	\@logins	1816	\@logins
1447	}	1817	}
1448		1818
1449	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1450		1822
1451	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1452	player. May block.	1824	player. May block.
1453		1825
1454	=cut	1826	=cut
…		…
1472	}	1844	}
1473		1845
1474	\@paths	1846	\@paths
1475	}	1847	}
1476		1848
1477	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1478		1850
1479	Expand crossfire pod fragments into protocol xml.	1851	Expand deliantra pod fragments into protocol xml.
1480
1481	=cut
1482
1483	sub expand_cfpod {
1484	((my $self), (local $_)) = @_;
1485
1486	# escape & and <
1487	s/&/&amp;/g;
1488	s/(?<![BIUGHT])</&lt;/g;
1489
1490	# this is buggy, it needs to properly take care of nested <'s
1491
1492	1 while
1493	# replace B<>, I<>, U<> etc.
1494	s/B<([^\>]*)>/<b>$1<\/b>/
1495	|| s/I<([^\>]*)>/<i>$1<\/i>/
1496	|| s/U<([^\>]*)>/<u>$1<\/u>/
1497	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1498	# replace G<male|female> tags
1499	|| s{G<([^>|]*)\|([^>]*)>}{
1500	$self->gender ? $2 : $1
1501	}ge
1502	# replace H<hint text>
1503	|| s{H<([^\>]*)>}
1504	{
1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1507	"")
1508	[$self->{hintmode}]
1509	}ge;
1510
1511	# create single paragraphs (very hackish)
1512	s/(?<=\S)\n(?=\w)/ /g;
1513
1514	# compress some whitespace
1515	s/\s+\n/\n/g; # ws line-ends
1516	s/\n\n+/\n/g; # double lines
1517	s/^\n+//; # beginning lines
1518	s/\n+$//; # ending lines
1519
1520	$_
1521	}
1522
1523	sub hintmode {
1524	$_[0]{hintmode} = $_[1] if @_ > 1;
1525	$_[0]{hintmode}
1526	}
1527		1852
1528	=item $player->ext_reply ($msgid, @msg)	1853	=item $player->ext_reply ($msgid, @msg)
1529		1854
1530	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1531		1856
…		…
1563		1888
1564	=cut	1889	=cut
1565		1890
1566	sub find_by_path($) {	1891	sub find_by_path($) {
1567	my ($path) = @_;	1892	my ($path) = @_;
		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
1568		1895
1569	my ($match, $specificity);	1896	my ($match, $specificity);
1570		1897
1571	for my $region (list) {	1898	for my $region (list) {
1572	if ($region->{match} && $path =~ $region->{match}) {	1899	if ($region->{match} && $path =~ $region->{match}) {
…		…
1598	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1599	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1600		1927
1601	sub generate_random_map {	1928	sub generate_random_map {
1602	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1603	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1604	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1605	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1606	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1607	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1608	$rmp->{exit_on_final_map},
1609	$rmp->{xsize}, $rmp->{ysize},
1610	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1611	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1612	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1613	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1614	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1615	(cf::region::find $rmp->{region}), $rmp->{custom}
1616	)
1617	}	1934	}
1618		1935
1619	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1620		1937
1621	Register a handler for the map path matching the given regex at the	1938	Register a handler for the map path matching the given regex at the
…		…
1626		1943
1627	sub register {	1944	sub register {
1628	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1629	my $pkg = caller;	1946	my $pkg = caller;
1630		1947
1631	no strict;
1632	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1633		1949
1634	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1635	}	1951	}
1636		1952
1637	# also paths starting with '/'	1953	# also paths starting with '/'
1638	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1639		1955
1640	sub thawer_merge {	1956	sub thawer_merge {
1641	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1642		1958
1643	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
…		…
1648	}	1964	}
1649		1965
1650	sub normalise {	1966	sub normalise {
1651	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1652		1968
1653	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1654		1970
1655	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1656		1972
1657	# map plan:	1973	# map plan:
1658	#	1974	#
…		…
1673	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1674	$path = "$base/$path";	1990	$path = "$base/$path";
1675	}	1991	}
1676		1992
1677	for ($path) {	1993	for ($path) {
1678	redo if s{//}{/};
1679	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1680	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1681	}	1996	}
1682		1997
1683	$path	1998	$path
…		…
1697	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1698	return $self;	2013	return $self;
1699	}	2014	}
1700	}	2015	}
1701		2016
1702	Carp::cluck "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1703	()	2018	()
1704	}	2019	}
1705		2020
		2021	# may re-bless or do other evil things
1706	sub init {	2022	sub init {
1707	my ($self) = @_;	2023	my ($self) = @_;
1708		2024
1709	$self	2025	$self
1710	}	2026	}
…		…
1729		2045
1730	# the temporary/swap location	2046	# the temporary/swap location
1731	sub save_path {	2047	sub save_path {
1732	my ($self) = @_;	2048	my ($self) = @_;
1733		2049
1734	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1735	"$TMPDIR/$path.map"	2051	"$TMPDIR/$path.map"
1736	}	2052	}
1737		2053
1738	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1739	sub uniq_path {	2055	sub uniq_path {
1740	my ($self) = @_;	2056	my ($self) = @_;
1741		2057
1742	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1743	"$UNIQUEDIR/$path"	2059	"$UNIQUEDIR/$path"
1744	}
1745
1746	# and all this just because we cannot iterate over
1747	# all maps in C++...
1748	sub change_all_map_light {
1749	my ($change) = @_;
1750
1751	$_->change_map_light ($change)
1752	for grep $_->outdoor, values %cf::MAP;
1753	}	2060	}
1754		2061
1755	sub decay_objects {	2062	sub decay_objects {
1756	my ($self) = @_;	2063	my ($self) = @_;
1757		2064
…		…
1784	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1785		2092
1786	1	2093	1
1787	}	2094	}
1788		2095
		2096	# used to laod the header of an original map
1789	sub load_header_orig {	2097	sub load_header_orig {
1790	my ($self) = @_;	2098	my ($self) = @_;
1791		2099
1792	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1793	}	2101	}
1794		2102
		2103	# used to laod the header of an instantiated map
1795	sub load_header_temp {	2104	sub load_header_temp {
1796	my ($self) = @_;	2105	my ($self) = @_;
1797		2106
1798	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1799	}	2108	}
1800		2109
		2110	# called after loading the header from an instantiated map
1801	sub prepare_temp {	2111	sub prepare_temp {
1802	my ($self) = @_;	2112	my ($self) = @_;
1803		2113
1804	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1805	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1806	# safety	2116	# safety
1807	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1808	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1809	}	2119	}
1810		2120
		2121	# called after loading the header from an original map
1811	sub prepare_orig {	2122	sub prepare_orig {
1812	my ($self) = @_;	2123	my ($self) = @_;
1813		2124
1814	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1815	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1839		2150
1840	sub find;	2151	sub find;
1841	sub find {	2152	sub find {
1842	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1843		2154
		2155	cf::cede_to_tick;
		2156
1844	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1845		2158
		2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1846	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1847		2161
1848	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1849	my $guard = cf::lock_acquire "map_find:$path";
1850	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1851	or return;	2164	or return;
1852		2165
1853	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1854		2167
…		…
1856	or return;	2169	or return;
1857		2170
1858	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1859	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1860	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1861	$map->reset;	2176	$map->reset;
1862	undef $guard;
1863	return find $path;	2177	return find $path;
1864	}	2178	}
1865		2179
1866	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1867	}	2181	}
1868	}	2182	}
1869		2183
1870	sub pre_load { }	2184	sub pre_load { }
1871	sub post_load { }	2185	#sub post_load { } # XS
1872		2186
1873	sub load {	2187	sub load {
1874	my ($self) = @_;	2188	my ($self) = @_;
1875		2189
1876	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1879		2193
1880	{	2194	{
1881	my $guard = cf::lock_acquire "map_data:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1882		2196
1883	return unless $self->valid;	2197	return unless $self->valid;
1884	return if $self->in_memory != cf::MAP_SWAPPED;	2198	return unless $self->state == cf::MAP_SWAPPED;
1885
1886	$self->in_memory (cf::MAP_LOADING);
1887		2199
1888	$self->alloc;	2200	$self->alloc;
1889		2201
1890	$self->pre_load;	2202	$self->pre_load;
1891	cf::cede_to_tick;	2203	cf::cede_to_tick;
1892		2204
		2205	if (exists $self->{load_path}) {
1893	my $f = new_from_file cf::object::thawer $self->{load_path};	2206	my $f = new_from_file cf::object::thawer $self->{load_path};
1894	$f->skip_block;	2207	$f->skip_block;
1895	$self->_load_objects ($f)	2208	$self->_load_objects ($f)
1896	or return;	2209	or return;
1897		2210
1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1899	if delete $self->{load_original};	2212	if delete $self->{load_original};
1900		2213
1901	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1902	utf8::encode $uniq;	2215	utf8::encode $uniq;
1903	unless (aio_stat $uniq) {	2216	unless (aio_stat $uniq) {
1904	if (my $f = new_from_file cf::object::thawer $uniq) {	2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1905	$self->clear_unique_items;	2218	$self->clear_unique_items;
1906	$self->_load_objects ($f);	2219	$self->_load_objects ($f);
1907	$f->resolve_delayed_derefs;	2220	$f->resolve_delayed_derefs;
		2221	}
1908	}	2222	}
1909	}	2223	}
1910	}
1911		2224
1912	$f->resolve_delayed_derefs;	2225	$f->resolve_delayed_derefs;
		2226	} else {
		2227	$self->post_load_original
		2228	if delete $self->{load_original};
		2229	}
		2230
		2231	$self->state (cf::MAP_INACTIVE);
1913		2232
1914	cf::cede_to_tick;	2233	cf::cede_to_tick;
1915	# now do the right thing for maps	2234	# now do the right thing for maps
1916	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1917	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
…		…
1921	unless ($self->{deny_activate}) {	2240	unless ($self->{deny_activate}) {
1922	$self->decay_objects;	2241	$self->decay_objects;
1923	$self->fix_auto_apply;	2242	$self->fix_auto_apply;
1924	$self->update_buttons;	2243	$self->update_buttons;
1925	cf::cede_to_tick;	2244	cf::cede_to_tick;
1926	$self->set_darkness_map;	2245	#$self->activate; # no longer activate maps automatically
1927	cf::cede_to_tick;
1928	$self->activate;
1929	}	2246	}
1930		2247
1931	$self->{last_save} = $cf::RUNTIME;	2248	$self->{last_save} = $cf::RUNTIME;
1932	$self->last_access ($cf::RUNTIME);	2249	$self->last_access ($cf::RUNTIME);
1933
1934	$self->in_memory (cf::MAP_IN_MEMORY);
1935	}	2250	}
1936		2251
1937	$self->post_load;	2252	$self->post_load;
1938	}
1939		2253
		2254	1
		2255	}
		2256
		2257	# customize the map for a given player, i.e.
		2258	# return the _real_ map. used by e.g. per-player
		2259	# maps to change the path to ~playername/mappath
1940	sub customise_for {	2260	sub customise_for {
1941	my ($self, $ob) = @_;	2261	my ($self, $ob) = @_;
1942		2262
1943	return find "~" . $ob->name . "/" . $self->{path}	2263	return find "~" . $ob->name . "/" . $self->{path}
1944	if $self->per_player;	2264	if $self->per_player;
…		…
1960	or next;	2280	or next;
1961	$neigh = find $neigh, $map	2281	$neigh = find $neigh, $map
1962	or next;	2282	or next;
1963	$neigh->load;	2283	$neigh->load;
1964		2284
		2285	# now find the diagonal neighbours
1965	push @neigh,	2286	push @neigh,
1966	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2287	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1967	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2288	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1968	}	2289	}
1969		2290
…		…
1976	}	2297	}
1977		2298
1978	sub find_sync {	2299	sub find_sync {
1979	my ($path, $origin) = @_;	2300	my ($path, $origin) = @_;
1980		2301
1981	cf::sync_job { find $path, $origin }	2302	# it's a bug to call this from the main context
		2303	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2304	if $Coro::current == $Coro::main;
		2305
		2306	find $path, $origin
1982	}	2307	}
1983		2308
1984	sub do_load_sync {	2309	sub do_load_sync {
1985	my ($map) = @_;	2310	my ($map) = @_;
1986		2311
		2312	# it's a bug to call this from the main context
1987	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2313	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
1988	if $Coro::current == $Coro::main;	2314	if $Coro::current == $Coro::main;
1989		2315
1990	cf::sync_job { $map->load };	2316	$map->load;
1991	}	2317	}
1992		2318
1993	our %MAP_PREFETCH;	2319	our %MAP_PREFETCH;
1994	our $MAP_PREFETCHER = undef;	2320	our $MAP_PREFETCHER = undef;
1995		2321
1996	sub find_async {	2322	sub find_async {
1997	my ($path, $origin, $load) = @_;	2323	my ($path, $origin, $load) = @_;
1998		2324
1999	$path = normalise $path, $origin && $origin->{path};	2325	$path = normalise $path, $origin;
2000		2326
2001	if (my $map = $cf::MAP{$path}) {	2327	if (my $map = $cf::MAP{$path}) {
2002	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2328	return $map if !$load || $map->linkable;
2003	}	2329	}
2004		2330
2005	$MAP_PREFETCH{$path} |= $load;	2331	$MAP_PREFETCH{$path} |= $load;
2006		2332
2007	$MAP_PREFETCHER ||= cf::async {	2333	$MAP_PREFETCHER ||= cf::async {
		2334	$Coro::current->{desc} = "map prefetcher";
		2335
2008	while (%MAP_PREFETCH) {	2336	while (%MAP_PREFETCH) {
2009	while (my ($k, $v) = each %MAP_PREFETCH) {	2337	while (my ($k, $v) = each %MAP_PREFETCH) {
2010	if (my $map = find $k) {	2338	if (my $map = find $k) {
2011	$map->load if $v;	2339	$map->load if $v;
2012	}	2340	}
…		…
2019	$MAP_PREFETCHER->prio (6);	2347	$MAP_PREFETCHER->prio (6);
2020		2348
2021	()	2349	()
2022	}	2350	}
2023		2351
		2352	# common code, used by both ->save and ->swapout
2024	sub save {	2353	sub _save {
2025	my ($self) = @_;	2354	my ($self) = @_;
2026
2027	my $lock = cf::lock_acquire "map_data:$self->{path}";
2028		2355
2029	$self->{last_save} = $cf::RUNTIME;	2356	$self->{last_save} = $cf::RUNTIME;
2030		2357
2031	return unless $self->dirty;	2358	return unless $self->dirty;
2032		2359
…		…
2038	return if $self->{deny_save};	2365	return if $self->{deny_save};
2039		2366
2040	local $self->{last_access} = $self->last_access;#d#	2367	local $self->{last_access} = $self->last_access;#d#
2041		2368
2042	cf::async {	2369	cf::async {
		2370	$Coro::current->{desc} = "map player save";
2043	$_->contr->save for $self->players;	2371	$_->contr->save for $self->players;
2044	};	2372	};
		2373
		2374	cf::get_slot 0.02;
2045		2375
2046	if ($uniq) {	2376	if ($uniq) {
2047	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2377	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2048	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2378	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2049	} else {	2379	} else {
2050	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2380	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2051	}	2381	}
2052	}	2382	}
2053		2383
		2384	sub save {
		2385	my ($self) = @_;
		2386
		2387	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2388
		2389	$self->_save;
		2390	}
		2391
2054	sub swap_out {	2392	sub swap_out {
2055	my ($self) = @_;	2393	my ($self) = @_;
2056		2394
2057	# save first because save cedes
2058	$self->save;
2059
2060	my $lock = cf::lock_acquire "map_data:$self->{path}";	2395	my $lock = cf::lock_acquire "map_data:$self->{path}";
2061		2396
		2397	return if !$self->linkable;
		2398	return if $self->{deny_save};
2062	return if $self->players;	2399	return if $self->players;
2063	return if $self->in_memory != cf::MAP_IN_MEMORY;
2064	return if $self->{deny_save};
2065		2400
		2401	# first deactivate the map and "unlink" it from the core
		2402	$self->deactivate;
		2403	$_->clear_links_to ($self) for values %cf::MAP;
		2404	$self->state (cf::MAP_SWAPPED);
		2405
		2406	# then atomically save
		2407	$self->_save;
		2408
		2409	# then free the map
2066	$self->clear;	2410	$self->clear;
2067	$self->in_memory (cf::MAP_SWAPPED);
2068	}	2411	}
2069		2412
2070	sub reset_at {	2413	sub reset_at {
2071	my ($self) = @_;	2414	my ($self) = @_;
2072		2415
…		…
2090		2433
2091	my $lock = cf::lock_acquire "map_data:$self->{path}";	2434	my $lock = cf::lock_acquire "map_data:$self->{path}";
2092		2435
2093	return if $self->players;	2436	return if $self->players;
2094		2437
2095	warn "resetting map ", $self->path;	2438	cf::trace "resetting map ", $self->path, "\n";
2096		2439
2097	$self->in_memory (cf::MAP_SWAPPED);	2440	$self->state (cf::MAP_SWAPPED);
2098		2441
2099	# need to save uniques path	2442	# need to save uniques path
2100	unless ($self->{deny_save}) {	2443	unless ($self->{deny_save}) {
2101	my $uniq = $self->uniq_path; utf8::encode $uniq;	2444	my $uniq = $self->uniq_path; utf8::encode $uniq;
2102		2445
…		…
2104	if $uniq;	2447	if $uniq;
2105	}	2448	}
2106		2449
2107	delete $cf::MAP{$self->path};	2450	delete $cf::MAP{$self->path};
2108		2451
		2452	$self->deactivate;
		2453	$_->clear_links_to ($self) for values %cf::MAP;
2109	$self->clear;	2454	$self->clear;
2110
2111	$_->clear_links_to ($self) for values %cf::MAP;
2112		2455
2113	$self->unlink_save;	2456	$self->unlink_save;
2114	$self->destroy;	2457	$self->destroy;
2115	}	2458	}
2116		2459
…		…
2124		2467
2125	delete $cf::MAP{$self->path};	2468	delete $cf::MAP{$self->path};
2126		2469
2127	$self->unlink_save;	2470	$self->unlink_save;
2128		2471
2129	bless $self, "cf::map";	2472	bless $self, "cf::map::wrap";
2130	delete $self->{deny_reset};	2473	delete $self->{deny_reset};
2131	$self->{deny_save} = 1;	2474	$self->{deny_save} = 1;
2132	$self->reset_timeout (1);	2475	$self->reset_timeout (1);
2133	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2476	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2134		2477
…		…
2183		2526
2184	sub unique_maps() {	2527	sub unique_maps() {
2185	[	2528	[
2186	map {	2529	map {
2187	utf8::decode $_;	2530	utf8::decode $_;
2188	/\.map$/	2531	s/\.map$//; # TODO future compatibility hack
		2532	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2533	? ()
2189	? normalise $_	2534	: normalise $_
2190	: ()
2191	} @{ aio_readdir $UNIQUEDIR or [] }	2535	} @{ aio_readdir $UNIQUEDIR or [] }
2192	]	2536	]
2193	}	2537	}
2194		2538
2195	package cf;	2539	=item cf::map::static_maps
		2540
		2541	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2542	file in the shared directory excluding F</styles> and F</editor>). May
		2543	block.
		2544
		2545	=cut
		2546
		2547	sub static_maps() {
		2548	my @dirs = "";
		2549	my @maps;
		2550
		2551	while (@dirs) {
		2552	my $dir = shift @dirs;
		2553
		2554	next if $dir eq "/styles" || $dir eq "/editor";
		2555
		2556	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2557	or return;
		2558
		2559	for (@$files) {
		2560	s/\.map$// or next;
		2561	utf8::decode $_;
		2562	push @maps, "$dir/$_";
		2563	}
		2564
		2565	push @dirs, map "$dir/$_", @$dirs;
		2566	}
		2567
		2568	\@maps
		2569	}
2196		2570
2197	=back	2571	=back
2198		2572
2199	=head3 cf::object	2573	=head3 cf::object
2200		2574
…		…
2204		2578
2205	=over 4	2579	=over 4
2206		2580
2207	=item $ob->inv_recursive	2581	=item $ob->inv_recursive
2208		2582
2209	Returns the inventory of the object _and_ their inventories, recursively.	2583	Returns the inventory of the object I<and> their inventories, recursively,
		2584	but I<not> the object itself.
2210		2585
2211	=cut	2586	=cut
2212		2587
2213	sub inv_recursive_;	2588	sub inv_recursive_;
2214	sub inv_recursive_ {	2589	sub inv_recursive_ {
…		…
2219	inv_recursive_ inv $_[0]	2594	inv_recursive_ inv $_[0]
2220	}	2595	}
2221		2596
2222	=item $ref = $ob->ref	2597	=item $ref = $ob->ref
2223		2598
2224	creates and returns a persistent reference to an objetc that can be stored as a string.	2599	Creates and returns a persistent reference to an object that can be stored as a string.
2225		2600
2226	=item $ob = cf::object::deref ($refstring)	2601	=item $ob = cf::object::deref ($refstring)
2227		2602
2228	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2603	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2229	even if the object actually exists. May block.	2604	even if the object actually exists. May block.
…		…
2231	=cut	2606	=cut
2232		2607
2233	sub deref {	2608	sub deref {
2234	my ($ref) = @_;	2609	my ($ref) = @_;
2235		2610
2236	# temporary compatibility#TODO#remove
2237	$ref =~ s{^<}{player/<};
2238
2239	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2611	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2240	my ($uuid, $name) = ($1, $2);	2612	my ($uuid, $name) = ($1, $2);
2241	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2613	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2242	or return;	2614	or return;
2243	$pl->ob->uuid eq $uuid	2615	$pl->ob->uuid eq $uuid
2244	or return;	2616	or return;
…		…
2264	can be C<undef>. Does the right thing when the player is currently in a	2636	can be C<undef>. Does the right thing when the player is currently in a
2265	dialogue with the given NPC character.	2637	dialogue with the given NPC character.
2266		2638
2267	=cut	2639	=cut
2268		2640
		2641	our $SAY_CHANNEL = {
		2642	id => "say",
		2643	title => "Map",
		2644	reply => "say ",
		2645	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2646	};
		2647
		2648	our $CHAT_CHANNEL = {
		2649	id => "chat",
		2650	title => "Chat",
		2651	reply => "chat ",
		2652	tooltip => "Player chat and shouts, global to the server.",
		2653	};
		2654
2269	# rough implementation of a future "reply" method that works	2655	# rough implementation of a future "reply" method that works
2270	# with dialog boxes.	2656	# with dialog boxes.
2271	#TODO: the first argument must go, split into a $npc->reply_to ( method	2657	#TODO: the first argument must go, split into a $npc->reply_to ( method
2272	sub cf::object::player::reply($$$;$) {	2658	sub cf::object::player::reply($$$;$) {
2273	my ($self, $npc, $msg, $flags) = @_;	2659	my ($self, $npc, $msg, $flags) = @_;
…		…
2284	my $dialog = $pl->{npc_dialog};	2670	my $dialog = $pl->{npc_dialog};
2285	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2671	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2286		2672
2287	} else {	2673	} else {
2288	$msg = $npc->name . " says: $msg" if $npc;	2674	$msg = $npc->name . " says: $msg" if $npc;
2289	$self->message ($msg, $flags);	2675	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2290	}	2676	}
2291	}	2677	}
2292	}	2678	}
2293		2679
2294	=item $object->send_msg ($channel, $msg, $color, [extra...])	2680	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2319		2705
2320	=item $player_object->enter_link	2706	=item $player_object->enter_link
2321		2707
2322	Freezes the player and moves him/her to a special map (C<{link}>).	2708	Freezes the player and moves him/her to a special map (C<{link}>).
2323		2709
2324	The player should be reasonably safe there for short amounts of time. You	2710	The player should be reasonably safe there for short amounts of time (e.g.
2325	I<MUST> call C<leave_link> as soon as possible, though.	2711	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2712	though, as the player cannot control the character while it is on the link
		2713	map.
2326		2714
2327	Will never block.	2715	Will never block.
2328		2716
2329	=item $player_object->leave_link ($map, $x, $y)	2717	=item $player_object->leave_link ($map, $x, $y)
2330		2718
…		…
2350	sub cf::object::player::enter_link {	2738	sub cf::object::player::enter_link {
2351	my ($self) = @_;	2739	my ($self) = @_;
2352		2740
2353	$self->deactivate_recursive;	2741	$self->deactivate_recursive;
2354		2742
		2743	++$self->{_link_recursion};
		2744
2355	return if UNIVERSAL::isa $self->map, "ext::map_link";	2745	return if UNIVERSAL::isa $self->map, "ext::map_link";
2356		2746
2357	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2747	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2358	if $self->map && $self->map->{path} ne "{link}";	2748	if $self->map && $self->map->{path} ne "{link}";
2359		2749
2360	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2750	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2361	}	2751	}
2362		2752
2363	sub cf::object::player::leave_link {	2753	sub cf::object::player::leave_link {
2364	my ($self, $map, $x, $y) = @_;	2754	my ($self, $map, $x, $y) = @_;
2365		2755
…		…
2382	($x, $y) = (-1, -1)	2772	($x, $y) = (-1, -1)
2383	unless (defined $x) && (defined $y);	2773	unless (defined $x) && (defined $y);
2384		2774
2385	# use -1 or undef as default coordinates, not 0, 0	2775	# use -1 or undef as default coordinates, not 0, 0
2386	($x, $y) = ($map->enter_x, $map->enter_y)	2776	($x, $y) = ($map->enter_x, $map->enter_y)
2387	if $x <=0 && $y <= 0;	2777	if $x <= 0 && $y <= 0;
2388		2778
2389	$map->load;	2779	$map->load;
2390	$map->load_neighbours;	2780	$map->load_neighbours;
2391		2781
2392	return unless $self->contr->active;	2782	return unless $self->contr->active;
2393	$self->activate_recursive;
2394		2783
2395	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2784	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2396	$self->enter_map ($map, $x, $y);	2785	if ($self->enter_map ($map, $x, $y)) {
2397	}	2786	# entering was successful
		2787	delete $self->{_link_recursion};
		2788	# only activate afterwards, to support waiting in hooks
		2789	$self->activate_recursive;
		2790	}
2398		2791
		2792	}
		2793
2399	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2794	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2400		2795
2401	Moves the player to the given map-path and coordinates by first freezing	2796	Moves the player to the given map-path and coordinates by first freezing
2402	her, loading and preparing them map, calling the provided $check callback	2797	her, loading and preparing them map, calling the provided $check callback
2403	that has to return the map if sucecssful, and then unfreezes the player on	2798	that has to return the map if sucecssful, and then unfreezes the player on
2404	the new (success) or old (failed) map position. In either case, $done will	2799	the new (success) or old (failed) map position. In either case, $done will
2405	be called at the end of this process.	2800	be called at the end of this process.
2406		2801
		2802	Note that $check will be called with a potentially non-loaded map, so if
		2803	it needs a loaded map it has to call C<< ->load >>.
		2804
2407	=cut	2805	=cut
2408		2806
2409	our $GOTOGEN;	2807	our $GOTOGEN;
2410		2808
2411	sub cf::object::player::goto {	2809	sub cf::object::player::goto {
2412	my ($self, $path, $x, $y, $check, $done) = @_;	2810	my ($self, $path, $x, $y, $check, $done) = @_;
2413		2811
		2812	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2813	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2814	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2815	($path, $x, $y) = @$EMERGENCY_POSITION;
		2816	}
		2817
2414	# do generation counting so two concurrent goto's will be executed in-order	2818	# do generation counting so two concurrent goto's will be executed in-order
2415	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2819	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2416		2820
2417	$self->enter_link;	2821	$self->enter_link;
2418		2822
2419	(async {	2823	(async {
		2824	$Coro::current->{desc} = "player::goto $path $x $y";
		2825
		2826	# *tag paths override both path and x|y
		2827	if ($path =~ /^\*(.*)$/) {
		2828	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2829	my $ob = $obs[rand @obs];
		2830
		2831	# see if we actually can go there
		2832	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2833	$ob = $obs[rand @obs];
		2834	} else {
		2835	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2836	}
		2837	# else put us there anyways for now #d#
		2838
		2839	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2840	} else {
		2841	($path, $x, $y) = (undef, undef, undef);
		2842	}
		2843	}
		2844
2420	my $map = eval {	2845	my $map = eval {
2421	my $map = cf::map::find $path;	2846	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2422		2847
2423	if ($map) {	2848	if ($map) {
2424	$map = $map->customise_for ($self);	2849	$map = $map->customise_for ($self);
2425	$map = $check->($map) if $check && $map;	2850	$map = $check->($map, $x, $y, $self) if $check && $map;
2426	} else {	2851	} else {
2427	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2852	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2428	}	2853	}
2429		2854
2430	$map	2855	$map
2431	};	2856	};
2432		2857
…		…
2438	if ($gen == $self->{_goto_generation}) {	2863	if ($gen == $self->{_goto_generation}) {
2439	delete $self->{_goto_generation};	2864	delete $self->{_goto_generation};
2440	$self->leave_link ($map, $x, $y);	2865	$self->leave_link ($map, $x, $y);
2441	}	2866	}
2442		2867
2443	$done->() if $done;	2868	$done->($self) if $done;
2444	})->prio (1);	2869	})->prio (1);
2445	}	2870	}
2446		2871
2447	=item $player_object->enter_exit ($exit_object)	2872	=item $player_object->enter_exit ($exit_object)
2448		2873
…		…
2468	}	2893	}
2469		2894
2470	sub prepare_random_map {	2895	sub prepare_random_map {
2471	my ($exit) = @_;	2896	my ($exit) = @_;
2472		2897
2473	my $guard = cf::lock_acquire "exit_prepare:$exit";
2474
2475	# all this does is basically replace the /! path by	2898	# all this does is basically replace the /! path by
2476	# a new random map path (?random/...) with a seed	2899	# a new random map path (?random/...) with a seed
2477	# that depends on the exit object	2900	# that depends on the exit object
2478		2901
2479	my $rmp = parse_random_map_params $exit->msg;	2902	my $rmp = parse_random_map_params $exit->msg;
…		…
2481	if ($exit->map) {	2904	if ($exit->map) {
2482	$rmp->{region} = $exit->region->name;	2905	$rmp->{region} = $exit->region->name;
2483	$rmp->{origin_map} = $exit->map->path;	2906	$rmp->{origin_map} = $exit->map->path;
2484	$rmp->{origin_x} = $exit->x;	2907	$rmp->{origin_x} = $exit->x;
2485	$rmp->{origin_y} = $exit->y;	2908	$rmp->{origin_y} = $exit->y;
		2909
		2910	$exit->map->touch;
2486	}	2911	}
2487		2912
2488	$rmp->{random_seed} ||= $exit->random_seed;	2913	$rmp->{random_seed} ||= $exit->random_seed;
2489		2914
2490	my $data = cf::to_json $rmp;	2915	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2491	my $md5 = Digest::MD5::md5_hex $data;	2916	my $md5 = Digest::MD5::md5_hex $data;
2492	my $meta = "$RANDOMDIR/$md5.meta";	2917	my $meta = "$RANDOMDIR/$md5.meta";
2493		2918
2494	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2919	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2495	aio_write $fh, 0, (length $data), $data, 0;	2920	aio_write $fh, 0, (length $data), $data, 0;
2496	undef $fh;	2921	undef $fh;
2497	aio_rename "$meta~", $meta;	2922	aio_rename "$meta~", $meta;
2498		2923
		2924	my $slaying = "?random/$md5";
		2925
		2926	if ($exit->valid) {
2499	$exit->slaying ("?random/$md5");	2927	$exit->slaying ("?random/$md5");
2500	$exit->msg (undef);	2928	$exit->msg (undef);
		2929	}
2501	}	2930	}
2502	}	2931	}
2503		2932
2504	sub cf::object::player::enter_exit {	2933	sub cf::object::player::enter_exit {
2505	my ($self, $exit) = @_;	2934	my ($self, $exit) = @_;
2506		2935
2507	return unless $self->type == cf::PLAYER;	2936	return unless $self->type == cf::PLAYER;
2508		2937
2509	if ($exit->slaying eq "/!") {
2510	#TODO: this should de-fi-ni-te-ly not be a sync-job
2511	# the problem is that $exit might not survive long enough
2512	# so it needs to be done right now, right here
2513	cf::sync_job { prepare_random_map $exit };
2514	}
2515
2516	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2517	my $hp = $exit->stats->hp;
2518	my $sp = $exit->stats->sp;
2519
2520	$self->enter_link;	2938	$self->enter_link;
2521		2939
2522	# if exit is damned, update players death & WoR home-position
2523	$self->contr->savebed ($slaying, $hp, $sp)
2524	if $exit->flag (FLAG_DAMNED);
2525
2526	(async {	2940	(async {
2527	$self->deactivate_recursive; # just to be sure	2941	$Coro::current->{desc} = "enter_exit";
		2942
2528	unless (eval {	2943	unless (eval {
		2944	$self->deactivate_recursive; # just to be sure
		2945
		2946	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2947	my $x = $exit->stats->hp;
		2948	my $y = $exit->stats->sp;
		2949
		2950	# special map handling
		2951	my $slaying = $exit->slaying;
		2952
		2953	# special map handling
		2954	if ($slaying eq "/!") {
		2955	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2956
		2957	prepare_random_map $exit
		2958	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2959
		2960	$map = $exit->slaying;
		2961
		2962	} elsif ($slaying eq '!up') {
		2963	$map = $exit->map->tile_path (cf::TILE_UP);
		2964	$x = $exit->x;
		2965	$y = $exit->y;
		2966
		2967	} elsif ($slaying eq '!down') {
		2968	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2969	$x = $exit->x;
		2970	$y = $exit->y;
		2971	}
		2972
2529	$self->goto ($slaying, $hp, $sp);	2973	$self->goto ($map, $x, $y);
2530		2974
		2975	# if exit is damned, update players death & WoR home-position
		2976	$self->contr->savebed ($map, $x, $y)
		2977	if $exit->flag (cf::FLAG_DAMNED);
		2978
2531	1;	2979	1
2532	}) {	2980	}) {
2533	$self->message ("Something went wrong deep within the crossfire server. "	2981	$self->message ("Something went wrong deep within the deliantra server. "
2534	. "I'll try to bring you back to the map you were before. "	2982	. "I'll try to bring you back to the map you were before. "
2535	. "Please report this to the dungeon master!",	2983	. "Please report this to the dungeon master!",
2536	cf::NDI_UNIQUE | cf::NDI_RED);	2984	cf::NDI_UNIQUE | cf::NDI_RED);
2537		2985
2538	warn "ERROR in enter_exit: $@";	2986	error "ERROR in enter_exit: $@";
2539	$self->leave_link;	2987	$self->leave_link;
2540	}	2988	}
2541	})->prio (1);	2989	})->prio (1);
2542	}	2990	}
2543		2991
…		…
2555	sub cf::client::send_drawinfo {	3003	sub cf::client::send_drawinfo {
2556	my ($self, $text, $flags) = @_;	3004	my ($self, $text, $flags) = @_;
2557		3005
2558	utf8::encode $text;	3006	utf8::encode $text;
2559	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3007	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3008	}
		3009
		3010	=item $client->send_big_packet ($pkt)
		3011
		3012	Like C<send_packet>, but tries to compress large packets, and fragments
		3013	them as required.
		3014
		3015	=cut
		3016
		3017	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3018
		3019	sub cf::client::send_big_packet {
		3020	my ($self, $pkt) = @_;
		3021
		3022	# try lzf for large packets
		3023	$pkt = "lzf " . Compress::LZF::compress $pkt
		3024	if 1024 <= length $pkt and $self->{can_lzf};
		3025
		3026	# split very large packets
		3027	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3028	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3029	$pkt = "frag";
		3030	}
		3031
		3032	$self->send_packet ($pkt);
2560	}	3033	}
2561		3034
2562	=item $client->send_msg ($channel, $msg, $color, [extra...])	3035	=item $client->send_msg ($channel, $msg, $color, [extra...])
2563		3036
2564	Send a drawinfo or msg packet to the client, formatting the msg for the	3037	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2566	the message, with C<log> being the default. If C<$color> is negative, suppress	3039	the message, with C<log> being the default. If C<$color> is negative, suppress
2567	the message unless the client supports the msg packet.	3040	the message unless the client supports the msg packet.
2568		3041
2569	=cut	3042	=cut
2570		3043
		3044	# non-persistent channels (usually the info channel)
2571	our %CHANNEL = (	3045	our %CHANNEL = (
		3046	"c/motd" => {
		3047	id => "infobox",
		3048	title => "MOTD",
		3049	reply => undef,
		3050	tooltip => "The message of the day",
		3051	},
2572	"c/identify" => {	3052	"c/identify" => {
2573	id => "identify",	3053	id => "infobox",
2574	title => "Identify",	3054	title => "Identify",
2575	reply => undef,	3055	reply => undef,
2576	tooltip => "Items recently identified",	3056	tooltip => "Items recently identified",
2577	},	3057	},
2578	"c/examine" => {	3058	"c/examine" => {
2579	id => "examine",	3059	id => "infobox",
2580	title => "Examine",	3060	title => "Examine",
2581	reply => undef,	3061	reply => undef,
2582	tooltip => "Signs and other items you examined",	3062	tooltip => "Signs and other items you examined",
2583	},	3063	},
		3064	"c/shopinfo" => {
		3065	id => "infobox",
		3066	title => "Shop Info",
		3067	reply => undef,
		3068	tooltip => "What your bargaining skill tells you about the shop",
		3069	},
		3070	"c/book" => {
		3071	id => "infobox",
		3072	title => "Book",
		3073	reply => undef,
		3074	tooltip => "The contents of a note or book",
		3075	},
		3076	"c/lookat" => {
		3077	id => "infobox",
		3078	title => "Look",
		3079	reply => undef,
		3080	tooltip => "What you saw there",
		3081	},
		3082	"c/who" => {
		3083	id => "infobox",
		3084	title => "Players",
		3085	reply => undef,
		3086	tooltip => "Shows players who are currently online",
		3087	},
		3088	"c/body" => {
		3089	id => "infobox",
		3090	title => "Body Parts",
		3091	reply => undef,
		3092	tooltip => "Shows which body parts you posess and are available",
		3093	},
		3094	"c/statistics" => {
		3095	id => "infobox",
		3096	title => "Statistics",
		3097	reply => undef,
		3098	tooltip => "Shows your primary statistics",
		3099	},
		3100	"c/skills" => {
		3101	id => "infobox",
		3102	title => "Skills",
		3103	reply => undef,
		3104	tooltip => "Shows your experience per skill and item power",
		3105	},
		3106	"c/shopitems" => {
		3107	id => "infobox",
		3108	title => "Shop Items",
		3109	reply => undef,
		3110	tooltip => "Shows the items currently for sale in this shop",
		3111	},
		3112	"c/resistances" => {
		3113	id => "infobox",
		3114	title => "Resistances",
		3115	reply => undef,
		3116	tooltip => "Shows your resistances",
		3117	},
		3118	"c/pets" => {
		3119	id => "infobox",
		3120	title => "Pets",
		3121	reply => undef,
		3122	tooltip => "Shows information abotu your pets/a specific pet",
		3123	},
		3124	"c/perceiveself" => {
		3125	id => "infobox",
		3126	title => "Perceive Self",
		3127	reply => undef,
		3128	tooltip => "You gained detailed knowledge about yourself",
		3129	},
		3130	"c/uptime" => {
		3131	id => "infobox",
		3132	title => "Uptime",
		3133	reply => undef,
		3134	tooltip => "How long the server has been running since last restart",
		3135	},
		3136	"c/mapinfo" => {
		3137	id => "infobox",
		3138	title => "Map Info",
		3139	reply => undef,
		3140	tooltip => "Information related to the maps",
		3141	},
		3142	"c/party" => {
		3143	id => "party",
		3144	title => "Party",
		3145	reply => "gsay ",
		3146	tooltip => "Messages and chat related to your party",
		3147	},
		3148	"c/death" => {
		3149	id => "death",
		3150	title => "Death",
		3151	reply => undef,
		3152	tooltip => "Reason for and more info about your most recent death",
		3153	},
		3154	"c/say" => $SAY_CHANNEL,
		3155	"c/chat" => $CHAT_CHANNEL,
2584	);	3156	);
2585		3157
2586	sub cf::client::send_msg {	3158	sub cf::client::send_msg {
2587	my ($self, $channel, $msg, $color, @extra) = @_;	3159	my ($self, $channel, $msg, $color, @extra) = @_;
2588		3160
2589	$msg = $self->pl->expand_cfpod ($msg);	3161	$msg = $self->pl->expand_cfpod ($msg)
		3162	unless $color & cf::NDI_VERBATIM;
2590		3163
2591	$color &= cf::NDI_CLIENT_MASK; # just in case...	3164	$color &= cf::NDI_CLIENT_MASK; # just in case...
2592		3165
2593	# check predefined channels, for the benefit of C	3166	# check predefined channels, for the benefit of C
2594	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	3167	if ($CHANNEL{$channel}) {
		3168	$channel = $CHANNEL{$channel};
2595		3169
		3170	$self->ext_msg (channel_info => $channel);
		3171	$channel = $channel->{id};
		3172
2596	if (ref $channel) {	3173	} elsif (ref $channel) {
2597	# send meta info to client, if not yet sent	3174	# send meta info to client, if not yet sent
2598	unless (exists $self->{channel}{$channel->{id}}) {	3175	unless (exists $self->{channel}{$channel->{id}}) {
2599	$self->{channel}{$channel->{id}} = $channel;	3176	$self->{channel}{$channel->{id}} = $channel;
2600	$self->ext_msg (channel_info => $channel)	3177	$self->ext_msg (channel_info => $channel);
2601	if $self->can_msg;
2602	}	3178	}
2603		3179
2604	$channel = $channel->{id};	3180	$channel = $channel->{id};
2605	}	3181	}
2606		3182
2607	return unless @extra || length $msg;	3183	return unless @extra || length $msg;
2608		3184
2609	if ($self->can_msg) {
2610	# default colour, mask it out	3185	# default colour, mask it out
2611	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3186	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2612	if $color & cf::NDI_DEF;	3187	if $color & cf::NDI_DEF;
2613		3188
2614	$self->send_packet ("msg " . $self->{json_coder}->encode (	3189	my $pkt = "msg "
		3190	. $self->{json_coder}->encode (
2615	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3191	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2616	} else {	3192	);
2617	if ($color >= 0) {
2618	# replace some tags by gcfclient-compatible ones
2619	for ($msg) {
2620	1 while
2621	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2622	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2623	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2624	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2625	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2626	}
2627		3193
2628	$color &= cf::NDI_COLOR_MASK;	3194	$self->send_big_packet ($pkt);
2629
2630	utf8::encode $msg;
2631
2632	if (0 && $msg =~ /\[/) {
2633	# COMMAND/INFO
2634	$self->send_packet ("drawextinfo $color 10 8 $msg")
2635	} else {
2636	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2637	$self->send_packet ("drawinfo $color $msg")
2638	}
2639	}
2640	}
2641	}	3195	}
2642		3196
2643	=item $client->ext_msg ($type, @msg)	3197	=item $client->ext_msg ($type, @msg)
2644		3198
2645	Sends an ext event to the client.	3199	Sends an ext event to the client.
…		…
2648		3202
2649	sub cf::client::ext_msg($$@) {	3203	sub cf::client::ext_msg($$@) {
2650	my ($self, $type, @msg) = @_;	3204	my ($self, $type, @msg) = @_;
2651		3205
2652	if ($self->extcmd == 2) {	3206	if ($self->extcmd == 2) {
2653	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3207	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2654	} elsif ($self->extcmd == 1) { # TODO: remove	3208	} elsif ($self->extcmd == 1) { # TODO: remove
2655	push @msg, msgtype => "event_$type";	3209	push @msg, msgtype => "event_$type";
2656	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3210	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2657	}	3211	}
2658	}	3212	}
2659		3213
2660	=item $client->ext_reply ($msgid, @msg)	3214	=item $client->ext_reply ($msgid, @msg)
2661		3215
…		…
2665		3219
2666	sub cf::client::ext_reply($$@) {	3220	sub cf::client::ext_reply($$@) {
2667	my ($self, $id, @msg) = @_;	3221	my ($self, $id, @msg) = @_;
2668		3222
2669	if ($self->extcmd == 2) {	3223	if ($self->extcmd == 2) {
2670	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3224	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2671	} elsif ($self->extcmd == 1) {	3225	} elsif ($self->extcmd == 1) {
2672	#TODO: version 1, remove	3226	#TODO: version 1, remove
2673	unshift @msg, msgtype => "reply", msgid => $id;	3227	unshift @msg, msgtype => "reply", msgid => $id;
2674	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3228	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2675	}	3229	}
2676	}	3230	}
2677		3231
2678	=item $success = $client->query ($flags, "text", \&cb)	3232	=item $success = $client->query ($flags, "text", \&cb)
2679		3233
…		…
2750		3304
2751	$ns->ext_reply ($reply, @reply)	3305	$ns->ext_reply ($reply, @reply)
2752	if $reply;	3306	if $reply;
2753		3307
2754	} else {	3308	} else {
2755	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3309	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2756	}	3310	}
2757		3311
2758	cf::override;	3312	cf::override;
2759	},	3313	},
2760	);	3314	);
…		…
2780		3334
2781	$coro	3335	$coro
2782	}	3336	}
2783		3337
2784	cf::client->attach (	3338	cf::client->attach (
2785	on_destroy => sub {	3339	on_client_destroy => sub {
2786	my ($ns) = @_;	3340	my ($ns) = @_;
2787		3341
2788	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3342	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2789	},	3343	},
2790	);	3344	);
…		…
2806	our $safe_hole = new Safe::Hole;	3360	our $safe_hole = new Safe::Hole;
2807		3361
2808	$SIG{FPE} = 'IGNORE';	3362	$SIG{FPE} = 'IGNORE';
2809		3363
2810	$safe->permit_only (Opcode::opset qw(	3364	$safe->permit_only (Opcode::opset qw(
2811	:base_core :base_mem :base_orig :base_math	3365	:base_core :base_mem :base_orig :base_math :base_loop
2812	grepstart grepwhile mapstart mapwhile	3366	grepstart grepwhile mapstart mapwhile
2813	sort time	3367	sort time
2814	));	3368	));
2815		3369
2816	# here we export the classes and methods available to script code	3370	# here we export the classes and methods available to script code
…		…
2818	=pod	3372	=pod
2819		3373
2820	The following functions and methods are available within a safe environment:	3374	The following functions and methods are available within a safe environment:
2821		3375
2822	cf::object	3376	cf::object
2823	contr pay_amount pay_player map x y force_find force_add	3377	contr pay_amount pay_player map x y force_find force_add destroy
2824	insert remove name archname title slaying race decrease_ob_nr	3378	insert remove name archname title slaying race decrease split
		3379	value
2825		3380
2826	cf::object::player	3381	cf::object::player
2827	player	3382	player
2828		3383
2829	cf::player	3384	cf::player
…		…
2834		3389
2835	=cut	3390	=cut
2836		3391
2837	for (	3392	for (
2838	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3393	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2839	insert remove inv name archname title slaying race	3394	insert remove inv nrof name archname title slaying race
2840	decrease_ob_nr)],	3395	decrease split destroy change_exp value msg lore send_msg)],
2841	["cf::object::player" => qw(player)],	3396	["cf::object::player" => qw(player)],
2842	["cf::player" => qw(peaceful)],	3397	["cf::player" => qw(peaceful send_msg)],
2843	["cf::map" => qw(trigger)],	3398	["cf::map" => qw(trigger)],
2844	) {	3399	) {
2845	no strict 'refs';
2846	my ($pkg, @funs) = @$_;	3400	my ($pkg, @funs) = @$_;
2847	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3401	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2848	for @funs;	3402	for @funs;
2849	}	3403	}
2850		3404
…		…
2865		3419
2866	my $qcode = $code;	3420	my $qcode = $code;
2867	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3421	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2868	$qcode =~ s/\n/\\n/g;	3422	$qcode =~ s/\n/\\n/g;
2869		3423
		3424	%vars = (_dummy => 0) unless %vars;
		3425
		3426	my @res;
2870	local $_;	3427	local $_;
2871	local @safe::cf::_safe_eval_args = values %vars;
2872		3428
2873	my $eval =	3429	my $eval =
2874	"do {\n"	3430	"do {\n"
2875	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3431	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2876	. "#line 0 \"{$qcode}\"\n"	3432	. "#line 0 \"{$qcode}\"\n"
2877	. $code	3433	. $code
2878	. "\n}"	3434	. "\n}"
2879	;	3435	;
2880		3436
		3437	if ($CFG{safe_eval}) {
2881	sub_generation_inc;	3438	sub_generation_inc;
		3439	local @safe::cf::_safe_eval_args = values %vars;
2882	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3440	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2883	sub_generation_inc;	3441	sub_generation_inc;
		3442	} else {
		3443	local @cf::_safe_eval_args = values %vars;
		3444	@res = wantarray ? eval eval : scalar eval $eval;
		3445	}
2884		3446
2885	if ($@) {	3447	if ($@) {
2886	warn "$@";	3448	warn "$@",
2887	warn "while executing safe code '$code'\n";	3449	"while executing safe code '$code'\n",
2888	warn "with arguments " . (join " ", %vars) . "\n";	3450	"with arguments " . (join " ", %vars) . "\n";
2889	}	3451	}
2890		3452
2891	wantarray ? @res : $res[0]	3453	wantarray ? @res : $res[0]
2892	}	3454	}
2893		3455
…		…
2907	=cut	3469	=cut
2908		3470
2909	sub register_script_function {	3471	sub register_script_function {
2910	my ($fun, $cb) = @_;	3472	my ($fun, $cb) = @_;
2911		3473
2912	no strict 'refs';	3474	$fun = "safe::$fun" if $CFG{safe_eval};
2913	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3475	*$fun = $safe_hole->wrap ($cb);
2914	}	3476	}
2915		3477
2916	=back	3478	=back
2917		3479
2918	=cut	3480	=cut
…		…
2927	# for this (global event?)	3489	# for this (global event?)
2928	%ext::player_env::MUSIC_FACE_CACHE = ();	3490	%ext::player_env::MUSIC_FACE_CACHE = ();
2929		3491
2930	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3492	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2931		3493
2932	warn "loading facedata from $path\n";	3494	trace "loading facedata from $path\n";
2933		3495
2934	my $facedata;	3496	my $facedata = decode_storable load_file $path;
2935	0 < aio_load $path, $facedata
2936	or die "$path: $!";
2937
2938	$facedata = Coro::Storable::thaw $facedata;
2939		3497
2940	$facedata->{version} == 2	3498	$facedata->{version} == 2
2941	or cf::cleanup "$path: version mismatch, cannot proceed.";	3499	or cf::cleanup "$path: version mismatch, cannot proceed.";
2942		3500
2943	# patch in the exptable	3501	# patch in the exptable
		3502	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2944	$facedata->{resource}{"res/exp_table"} = {	3503	$facedata->{resource}{"res/exp_table"} = {
2945	type => FT_RSRC,	3504	type => FT_RSRC,
2946	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3505	data => $exp_table,
		3506	hash => (Digest::MD5::md5 $exp_table),
2947	};	3507	};
2948	cf::cede_to_tick;	3508	cf::cede_to_tick;
2949		3509
2950	{	3510	{
2951	my $faces = $facedata->{faceinfo};	3511	my $faces = $facedata->{faceinfo};
2952		3512
2953	while (my ($face, $info) = each %$faces) {	3513	while (my ($face, $info) = each %$faces) {
2954	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3514	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3515
2955	cf::face::set_visibility $idx, $info->{visibility};	3516	cf::face::set_visibility $idx, $info->{visibility};
2956	cf::face::set_magicmap $idx, $info->{magicmap};	3517	cf::face::set_magicmap $idx, $info->{magicmap};
2957	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3518	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2958	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3519	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3520	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2959		3521
2960	cf::cede_to_tick;	3522	cf::cede_to_tick;
2961	}	3523	}
2962		3524
2963	while (my ($face, $info) = each %$faces) {	3525	while (my ($face, $info) = each %$faces) {
2964	next unless $info->{smooth};	3526	next unless $info->{smooth};
		3527
2965	my $idx = cf::face::find $face	3528	my $idx = cf::face::find $face
2966	or next;	3529	or next;
		3530
2967	if (my $smooth = cf::face::find $info->{smooth}) {	3531	if (my $smooth = cf::face::find $info->{smooth}) {
2968	cf::face::set_smooth $idx, $smooth;	3532	cf::face::set_smooth $idx, $smooth;
2969	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3533	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2970	} else {	3534	} else {
2971	warn "smooth face '$info->{smooth}' not found for face '$face'";	3535	error "smooth face '$info->{smooth}' not found for face '$face'";
2972	}	3536	}
2973		3537
2974	cf::cede_to_tick;	3538	cf::cede_to_tick;
2975	}	3539	}
2976	}	3540	}
…		…
2985		3549
2986	cf::anim::invalidate_all; # d'oh	3550	cf::anim::invalidate_all; # d'oh
2987	}	3551	}
2988		3552
2989	{	3553	{
2990	# TODO: for gcfclient pleasure, we should give resources
2991	# that gcfclient doesn't grok a >10000 face index.
2992	my $res = $facedata->{resource};	3554	my $res = $facedata->{resource};
2993		3555
2994	my $soundconf = delete $res->{"res/sound.conf"};
2995
2996	while (my ($name, $info) = each %$res) {	3556	while (my ($name, $info) = each %$res) {
		3557	if (defined $info->{type}) {
2997	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3558	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2998	my $data;
2999		3559
3000	if ($info->{type} & 1) {	3560	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3001	# prepend meta info	3561	cf::face::set_type $idx, $info->{type};
3002
3003	my $meta = $enc->encode ({
3004	name => $name,
3005	%{ $info->{meta} || {} },
3006	});
3007
3008	$data = pack "(w/a*)*", $meta, $info->{data};
3009	} else {	3562	} else {
3010	$data = $info->{data};	3563	$RESOURCE{$name} = $info; # unused
3011	}	3564	}
3012		3565
3013	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3014	cf::face::set_type $idx, $info->{type};
3015
3016	cf::cede_to_tick;	3566	cf::cede_to_tick;
3017	}	3567	}
3018
3019	if ($soundconf) {
3020	$soundconf = $enc->decode (delete $soundconf->{data});
3021
3022	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3023	my $sound = $soundconf->{compat}[$_]
3024	or next;
3025
3026	my $face = cf::face::find "sound/$sound->[1]";
3027	cf::sound::set $sound->[0] => $face;
3028	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3029	}
3030
3031	while (my ($k, $v) = each %{$soundconf->{event}}) {
3032	my $face = cf::face::find "sound/$v";
3033	cf::sound::set $k => $face;
3034	}
3035	}
3036	}	3568	}
		3569
		3570	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3037		3571
3038	1	3572	1
3039	}	3573	}
3040		3574
3041	register_exticmd fx_want => sub {	3575	register_exticmd fx_want => sub {
…		…
3043		3577
3044	while (my ($k, $v) = each %$want) {	3578	while (my ($k, $v) = each %$want) {
3045	$ns->fx_want ($k, $v);	3579	$ns->fx_want ($k, $v);
3046	}	3580	}
3047	};	3581	};
		3582
		3583	sub load_resource_file($) {
		3584	my $guard = lock_acquire "load_resource_file";
		3585
		3586	my $status = load_resource_file_ $_[0];
		3587	get_slot 0.1, 100;
		3588	cf::arch::commit_load;
		3589
		3590	$status
		3591	}
3048		3592
3049	sub reload_regions {	3593	sub reload_regions {
3050	# HACK to clear player env face cache, we need some signal framework	3594	# HACK to clear player env face cache, we need some signal framework
3051	# for this (global event?)	3595	# for this (global event?)
3052	%ext::player_env::MUSIC_FACE_CACHE = ();	3596	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3066	}	3610	}
3067		3611
3068	sub reload_archetypes {	3612	sub reload_archetypes {
3069	load_resource_file "$DATADIR/archetypes"	3613	load_resource_file "$DATADIR/archetypes"
3070	or die "unable to load archetypes\n";	3614	or die "unable to load archetypes\n";
3071	#d# NEED to laod twice to resolve forward references
3072	# this really needs to be done in an extra post-pass
3073	# (which needs to be synchronous, so solve it differently)
3074	load_resource_file "$DATADIR/archetypes"
3075	or die "unable to load archetypes\n";
3076	}	3615	}
3077		3616
3078	sub reload_treasures {	3617	sub reload_treasures {
3079	load_resource_file "$DATADIR/treasures"	3618	load_resource_file "$DATADIR/treasures"
3080	or die "unable to load treasurelists\n";	3619	or die "unable to load treasurelists\n";
3081	}	3620	}
3082		3621
		3622	sub reload_sound {
		3623	trace "loading sound config from $DATADIR/sound\n";
		3624
		3625	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3626
		3627	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3628	my $sound = $soundconf->{compat}[$_]
		3629	or next;
		3630
		3631	my $face = cf::face::find "sound/$sound->[1]";
		3632	cf::sound::set $sound->[0] => $face;
		3633	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3634	}
		3635
		3636	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3637	my $face = cf::face::find "sound/$v";
		3638	cf::sound::set $k => $face;
		3639	}
		3640	}
		3641
3083	sub reload_resources {	3642	sub reload_resources {
3084	warn "reloading resource files...\n";	3643	trace "reloading resource files...\n";
3085		3644
		3645	reload_exp_table;
		3646	reload_materials;
		3647	reload_facedata;
		3648	reload_sound;
		3649	reload_archetypes;
3086	reload_regions;	3650	reload_regions;
3087	reload_facedata;
3088	#reload_archetypes;#d#
3089	reload_archetypes;
3090	reload_treasures;	3651	reload_treasures;
3091		3652
3092	warn "finished reloading resource files\n";	3653	trace "finished reloading resource files\n";
3093	}
3094
3095	sub init {
3096	reload_resources;
3097	}	3654	}
3098		3655
3099	sub reload_config {	3656	sub reload_config {
3100	open my $fh, "<:utf8", "$CONFDIR/config"	3657	trace "reloading config file...\n";
3101	or return;
3102		3658
3103	local $/;	3659	my $config = load_file "$CONFDIR/config";
3104	*CFG = YAML::Syck::Load <$fh>;	3660	utf8::decode $config;
		3661	*CFG = decode_yaml $config;
3105		3662
3106	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3663	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3107		3664
3108	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3665	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3109	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3666	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3110		3667
3111	if (exists $CFG{mlockall}) {	3668	if (exists $CFG{mlockall}) {
…		…
3115	};	3672	};
3116	warn $@ if $@;	3673	warn $@ if $@;
3117	}	3674	}
3118	}	3675	}
3119		3676
		3677	sub pidfile() {
		3678	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3679	or die "$PIDFILE: $!";
		3680	flock $fh, &Fcntl::LOCK_EX
		3681	or die "$PIDFILE: flock: $!";
		3682	$fh
		3683	}
		3684
		3685	# make sure only one server instance is running at any one time
		3686	sub atomic {
		3687	my $fh = pidfile;
		3688
		3689	my $pid = <$fh>;
		3690	kill 9, $pid if $pid > 0;
		3691
		3692	seek $fh, 0, 0;
		3693	print $fh $$;
		3694	}
		3695
		3696	sub main_loop {
		3697	trace "EV::loop starting\n";
		3698	if (1) {
		3699	EV::loop;
		3700	}
		3701	trace "EV::loop returned\n";
		3702	goto &main_loop unless $REALLY_UNLOOP;
		3703	}
		3704
3120	sub main {	3705	sub main {
		3706	cf::init_globals; # initialise logging
		3707
		3708	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3709	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3710	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3711	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3712
		3713	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3714
3121	# we must not ever block the main coroutine	3715	# we must not ever block the main coroutine
3122	local $Coro::idle = sub {	3716	local $Coro::idle = sub {
3123	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3717	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3124	(async {	3718	(async {
3125	Event::one_event;	3719	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3720	EV::loop EV::LOOP_ONESHOT;
3126	})->prio (Coro::PRIO_MAX);	3721	})->prio (Coro::PRIO_MAX);
3127	};	3722	};
3128		3723
		3724	evthread_start IO::AIO::poll_fileno;
		3725
		3726	cf::sync_job {
		3727	cf::incloader::init ();
		3728
		3729	cf::init_anim;
		3730	cf::init_attackmess;
		3731	cf::init_dynamic;
		3732
		3733	cf::load_settings;
		3734
		3735	reload_resources;
3129	reload_config;	3736	reload_config;
3130	db_init;	3737	db_init;
		3738
		3739	cf::init_uuid;
		3740	cf::init_signals;
		3741	cf::init_skills;
		3742
		3743	cf::init_beforeplay;
		3744
		3745	atomic;
		3746
3131	load_extensions;	3747	load_extensions;
3132		3748
3133	$TICK_WATCHER->start;	3749	utime time, time, $RUNTIMEFILE;
3134	Event::loop;	3750
		3751	# no (long-running) fork's whatsoever before this point(!)
		3752	use POSIX ();
		3753	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3754
		3755	cf::_post_init 0;
		3756	};
		3757
		3758	cf::object::thawer::errors_are_fatal 0;
		3759	info "parse errors in files are no longer fatal from this point on.\n";
		3760
		3761	my $free_main; $free_main = EV::idle sub {
		3762	undef $free_main;
		3763	undef &main; # free gobs of memory :)
		3764	};
		3765
		3766	goto &main_loop;
3135	}	3767	}
3136		3768
3137	#############################################################################	3769	#############################################################################
3138	# initialisation and cleanup	3770	# initialisation and cleanup
3139		3771
3140	# install some emergency cleanup handlers	3772	# install some emergency cleanup handlers
3141	BEGIN {	3773	BEGIN {
		3774	our %SIGWATCHER = ();
3142	for my $signal (qw(INT HUP TERM)) {	3775	for my $signal (qw(INT HUP TERM)) {
3143	Event->signal (	3776	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3144	reentrant => 0,
3145	data => WF_AUTOCANCEL,
3146	signal => $signal,
3147	prio => 0,
3148	cb => sub {
3149	cf::cleanup "SIG$signal";	3777	cf::cleanup "SIG$signal";
3150	},
3151	);	3778	};
3152	}	3779	}
3153	}	3780	}
3154		3781
3155	sub write_runtime {	3782	sub write_runtime_sync {
3156	my $runtime = "$LOCALDIR/runtime";	3783	my $t0 = AE::time;
3157		3784
3158	# first touch the runtime file to show we are still running:	3785	# first touch the runtime file to show we are still running:
3159	# the fsync below can take a very very long time.	3786	# the fsync below can take a very very long time.
3160		3787
3161	IO::AIO::aio_utime $runtime, undef, undef;	3788	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3162		3789
3163	my $guard = cf::lock_acquire "write_runtime";	3790	my $guard = cf::lock_acquire "write_runtime";
3164		3791
3165	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3792	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3166	or return;	3793	or return;
3167		3794
3168	my $value = $cf::RUNTIME + 90 + 10;	3795	my $value = $cf::RUNTIME + 90 + 10;
3169	# 10 is the runtime save interval, for a monotonic clock	3796	# 10 is the runtime save interval, for a monotonic clock
3170	# 60 allows for the watchdog to kill the server.	3797	# 60 allows for the watchdog to kill the server.
…		…
3180	aio_utime $fh, undef, undef;	3807	aio_utime $fh, undef, undef;
3181		3808
3182	close $fh	3809	close $fh
3183	or return;	3810	or return;
3184		3811
3185	aio_rename "$runtime~", $runtime	3812	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3186	and return;	3813	and return;
3187		3814
3188	warn "runtime file written.\n";	3815	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3189		3816
3190	1	3817	1
		3818	}
		3819
		3820	our $uuid_lock;
		3821	our $uuid_skip;
		3822
		3823	sub write_uuid_sync($) {
		3824	$uuid_skip ||= $_[0];
		3825
		3826	return if $uuid_lock;
		3827	local $uuid_lock = 1;
		3828
		3829	my $uuid = "$LOCALDIR/uuid";
		3830
		3831	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3832	or return;
		3833
		3834	my $value = uuid_seq uuid_cur;
		3835
		3836	unless ($value) {
		3837	info "cowardly refusing to write zero uuid value!\n";
		3838	return;
		3839	}
		3840
		3841	my $value = uuid_str $value + $uuid_skip;
		3842	$uuid_skip = 0;
		3843
		3844	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3845	and return;
		3846
		3847	# always fsync - this file is important
		3848	aio_fsync $fh
		3849	and return;
		3850
		3851	close $fh
		3852	or return;
		3853
		3854	aio_rename "$uuid~", $uuid
		3855	and return;
		3856
		3857	trace "uuid file written ($value).\n";
		3858
		3859	1
		3860
		3861	}
		3862
		3863	sub write_uuid($$) {
		3864	my ($skip, $sync) = @_;
		3865
		3866	$sync ? write_uuid_sync $skip
		3867	: async { write_uuid_sync $skip };
3191	}	3868	}
3192		3869
3193	sub emergency_save() {	3870	sub emergency_save() {
3194	my $freeze_guard = cf::freeze_mainloop;	3871	my $freeze_guard = cf::freeze_mainloop;
3195		3872
3196	warn "enter emergency perl save\n";	3873	info "emergency_perl_save: enter\n";
		3874
		3875	# this is a trade-off: we want to be very quick here, so
		3876	# save all maps without fsync, and later call a global sync
		3877	# (which in turn might be very very slow)
		3878	local $USE_FSYNC = 0;
3197		3879
3198	cf::sync_job {	3880	cf::sync_job {
		3881	cf::write_runtime_sync; # external watchdog should not bark
		3882
3199	# use a peculiar iteration method to avoid tripping on perl	3883	# use a peculiar iteration method to avoid tripping on perl
3200	# refcount bugs in for. also avoids problems with players	3884	# refcount bugs in for. also avoids problems with players
3201	# and maps saved/destroyed asynchronously.	3885	# and maps saved/destroyed asynchronously.
3202	warn "begin emergency player save\n";	3886	info "emergency_perl_save: begin player save\n";
3203	for my $login (keys %cf::PLAYER) {	3887	for my $login (keys %cf::PLAYER) {
3204	my $pl = $cf::PLAYER{$login} or next;	3888	my $pl = $cf::PLAYER{$login} or next;
3205	$pl->valid or next;	3889	$pl->valid or next;
		3890	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3206	$pl->save;	3891	$pl->save;
3207	}	3892	}
3208	warn "end emergency player save\n";	3893	info "emergency_perl_save: end player save\n";
3209		3894
3210	warn "begin emergency map save\n";	3895	cf::write_runtime_sync; # external watchdog should not bark
		3896
		3897	info "emergency_perl_save: begin map save\n";
3211	for my $path (keys %cf::MAP) {	3898	for my $path (keys %cf::MAP) {
3212	my $map = $cf::MAP{$path} or next;	3899	my $map = $cf::MAP{$path} or next;
3213	$map->valid or next;	3900	$map->valid or next;
3214	$map->save;	3901	$map->save;
3215	}	3902	}
3216	warn "end emergency map save\n";	3903	info "emergency_perl_save: end map save\n";
3217		3904
3218	warn "begin emergency database checkpoint\n";	3905	cf::write_runtime_sync; # external watchdog should not bark
		3906
		3907	info "emergency_perl_save: begin database checkpoint\n";
3219	BDB::db_env_txn_checkpoint $DB_ENV;	3908	BDB::db_env_txn_checkpoint $DB_ENV;
3220	warn "end emergency database checkpoint\n";	3909	info "emergency_perl_save: end database checkpoint\n";
		3910
		3911	info "emergency_perl_save: begin write uuid\n";
		3912	write_uuid_sync 1;
		3913	info "emergency_perl_save: end write uuid\n";
		3914
		3915	cf::write_runtime_sync; # external watchdog should not bark
		3916
		3917	trace "emergency_perl_save: syncing database to disk";
		3918	BDB::db_env_txn_checkpoint $DB_ENV;
		3919
		3920	info "emergency_perl_save: starting sync\n";
		3921	IO::AIO::aio_sync sub {
		3922	info "emergency_perl_save: finished sync\n";
		3923	};
		3924
		3925	cf::write_runtime_sync; # external watchdog should not bark
		3926
		3927	trace "emergency_perl_save: flushing outstanding aio requests";
		3928	while (IO::AIO::nreqs || BDB::nreqs) {
		3929	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3930	}
		3931
		3932	cf::write_runtime_sync; # external watchdog should not bark
3221	};	3933	};
3222		3934
3223	warn "leave emergency perl save\n";	3935	info "emergency_perl_save: leave\n";
3224	}	3936	}
3225		3937
3226	sub post_cleanup {	3938	sub post_cleanup {
3227	my ($make_core) = @_;	3939	my ($make_core) = @_;
3228		3940
		3941	IO::AIO::flush;
		3942
3229	warn Carp::longmess "post_cleanup backtrace"	3943	error Carp::longmess "post_cleanup backtrace"
3230	if $make_core;	3944	if $make_core;
		3945
		3946	my $fh = pidfile;
		3947	unlink $PIDFILE if <$fh> == $$;
		3948	}
		3949
		3950	# a safer delete_package, copied from Symbol
		3951	sub clear_package($) {
		3952	my $pkg = shift;
		3953
		3954	# expand to full symbol table name if needed
		3955	unless ($pkg =~ /^main::.*::$/) {
		3956	$pkg = "main$pkg" if $pkg =~ /^::/;
		3957	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3958	$pkg .= '::' unless $pkg =~ /::$/;
		3959	}
		3960
		3961	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3962	my $stem_symtab = *{$stem}{HASH};
		3963
		3964	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3965	or return;
		3966
		3967	# clear all symbols
		3968	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3969	for my $name (keys %$leaf_symtab) {
		3970	_gv_clear *{"$pkg$name"};
		3971	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3972	}
3231	}	3973	}
3232		3974
3233	sub do_reload_perl() {	3975	sub do_reload_perl() {
3234	# can/must only be called in main	3976	# can/must only be called in main
3235	if ($Coro::current != $Coro::main) {	3977	unless (in_main) {
3236	warn "can only reload from main coroutine";	3978	error "can only reload from main coroutine";
3237	return;	3979	return;
3238	}	3980	}
3239		3981
3240	warn "reloading...";	3982	return if $RELOAD++;
3241		3983
3242	warn "entering sync_job";	3984	my $t1 = AE::time;
3243		3985
		3986	while ($RELOAD) {
		3987	cf::get_slot 0.1, -1, "reload_perl";
		3988	info "perl_reload: reloading...";
		3989
		3990	trace "perl_reload: entering sync_job";
		3991
3244	cf::sync_job {	3992	cf::sync_job {
3245	cf::write_runtime; # external watchdog should not bark
3246	cf::emergency_save;	3993	#cf::emergency_save;
3247	cf::write_runtime; # external watchdog should not bark
3248		3994
3249	warn "syncing database to disk";
3250	BDB::db_env_txn_checkpoint $DB_ENV;
3251
3252	# if anything goes wrong in here, we should simply crash as we already saved
3253
3254	warn "cancelling all WF_AUTOCANCEL watchers";
3255	for (Event::all_watchers) {
3256	$_->cancel if $_->data & WF_AUTOCANCEL;
3257	}
3258
3259	warn "flushing outstanding aio requests";
3260	for (;;) {
3261	BDB::flush;
3262	IO::AIO::flush;
3263	Coro::cede;
3264	last unless IO::AIO::nreqs || BDB::nreqs;
3265	warn "iterate...";
3266	}
3267
3268	++$RELOAD;
3269
3270	warn "cancelling all extension coros";	3995	trace "perl_reload: cancelling all extension coros";
3271	$_->cancel for values %EXT_CORO;	3996	$_->cancel for values %EXT_CORO;
3272	%EXT_CORO = ();	3997	%EXT_CORO = ();
3273		3998
3274	warn "removing commands";	3999	trace "perl_reload: removing commands";
3275	%COMMAND = ();	4000	%COMMAND = ();
3276		4001
3277	warn "removing ext/exti commands";	4002	trace "perl_reload: removing ext/exti commands";
3278	%EXTCMD = ();	4003	%EXTCMD = ();
3279	%EXTICMD = ();	4004	%EXTICMD = ();
3280		4005
3281	warn "unloading/nuking all extensions";	4006	trace "perl_reload: unloading/nuking all extensions";
3282	for my $pkg (@EXTS) {	4007	for my $pkg (@EXTS) {
3283	warn "... unloading $pkg";	4008	trace "... unloading $pkg";
3284		4009
3285	if (my $cb = $pkg->can ("unload")) {	4010	if (my $cb = $pkg->can ("unload")) {
3286	eval {	4011	eval {
3287	$cb->($pkg);	4012	$cb->($pkg);
3288	1	4013	1
3289	} or warn "$pkg unloaded, but with errors: $@";	4014	} or error "$pkg unloaded, but with errors: $@";
		4015	}
		4016
		4017	trace "... clearing $pkg";
		4018	clear_package $pkg;
3290	}	4019	}
3291		4020
3292	warn "... nuking $pkg";
3293	Symbol::delete_package $pkg;
3294	}
3295
3296	warn "unloading all perl modules loaded from $LIBDIR";	4021	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3297	while (my ($k, $v) = each %INC) {	4022	while (my ($k, $v) = each %INC) {
3298	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4023	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3299		4024
3300	warn "... unloading $k";	4025	trace "... unloading $k";
3301	delete $INC{$k};	4026	delete $INC{$k};
3302		4027
3303	$k =~ s/\.pm$//;	4028	$k =~ s/\.pm$//;
3304	$k =~ s/\//::/g;	4029	$k =~ s/\//::/g;
3305		4030
3306	if (my $cb = $k->can ("unload_module")) {	4031	if (my $cb = $k->can ("unload_module")) {
3307	$cb->();	4032	$cb->();
		4033	}
		4034
		4035	clear_package $k;
3308	}	4036	}
3309		4037
3310	Symbol::delete_package $k;
3311	}
3312
3313	warn "getting rid of safe::, as good as possible";	4038	trace "perl_reload: getting rid of safe::, as good as possible";
3314	Symbol::delete_package "safe::$_"	4039	clear_package "safe::$_"
3315	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4040	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3316		4041
3317	warn "unloading cf.pm \"a bit\"";	4042	trace "perl_reload: unloading cf.pm \"a bit\"";
3318	delete $INC{"cf.pm"};	4043	delete $INC{"cf.pm"};
3319	delete $INC{"cf/pod.pm"};	4044	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3320		4045
3321	# don't, removes xs symbols, too,	4046	# don't, removes xs symbols, too,
3322	# and global variables created in xs	4047	# and global variables created in xs
3323	#Symbol::delete_package __PACKAGE__;	4048	#clear_package __PACKAGE__;
3324		4049
3325	warn "unload completed, starting to reload now";	4050	info "perl_reload: unload completed, starting to reload now";
3326		4051
3327	warn "reloading cf.pm";	4052	trace "perl_reload: reloading cf.pm";
3328	require cf;	4053	require cf;
3329	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4054	cf::_connect_to_perl_1;
3330		4055
3331	warn "loading config and database again";	4056	trace "perl_reload: loading config and database again";
3332	cf::reload_config;	4057	cf::reload_config;
3333		4058
3334	warn "loading extensions";	4059	trace "perl_reload: loading extensions";
3335	cf::load_extensions;	4060	cf::load_extensions;
3336		4061
		4062	if ($REATTACH_ON_RELOAD) {
3337	warn "reattaching attachments to objects/players";	4063	trace "perl_reload: reattaching attachments to objects/players";
3338	_global_reattach; # objects, sockets	4064	_global_reattach; # objects, sockets
3339	warn "reattaching attachments to maps";	4065	trace "perl_reload: reattaching attachments to maps";
3340	reattach $_ for values %MAP;	4066	reattach $_ for values %MAP;
3341	warn "reattaching attachments to players";	4067	trace "perl_reload: reattaching attachments to players";
3342	reattach $_ for values %PLAYER;	4068	reattach $_ for values %PLAYER;
		4069	}
3343		4070
3344	warn "leaving sync_job";	4071	cf::_post_init 1;
3345		4072
		4073	trace "perl_reload: leaving sync_job";
		4074
3346	1	4075	1
3347	} or do {	4076	} or do {
3348	warn $@;	4077	error $@;
3349	warn "error while reloading, exiting.";	4078	cf::cleanup "perl_reload: error, exiting.";
3350	exit 1;	4079	};
		4080
		4081	--$RELOAD;
3351	};	4082	}
3352		4083
3353	warn "reloaded";	4084	$t1 = AE::time - $t1;
		4085	info "perl_reload: completed in ${t1}s\n";
3354	};	4086	};
3355		4087
3356	our $RELOAD_WATCHER; # used only during reload	4088	our $RELOAD_WATCHER; # used only during reload
3357		4089
3358	sub reload_perl() {	4090	sub reload_perl() {
3359	# doing reload synchronously and two reloads happen back-to-back,	4091	# doing reload synchronously and two reloads happen back-to-back,
3360	# coro crashes during coro_state_free->destroy here.	4092	# coro crashes during coro_state_free->destroy here.
3361		4093
3362	$RELOAD_WATCHER ||= Event->timer (	4094	$RELOAD_WATCHER ||= cf::async {
3363	reentrant => 0,	4095	Coro::AIO::aio_wait cache_extensions;
3364	after => 0,	4096
3365	data => WF_AUTOCANCEL,	4097	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3366	cb => sub {
3367	do_reload_perl;	4098	do_reload_perl;
3368	undef $RELOAD_WATCHER;	4099	undef $RELOAD_WATCHER;
3369	},	4100	};
3370	);	4101	};
3371	}	4102	}
3372		4103
3373	register_command "reload" => sub {	4104	register_command "reload" => sub {
3374	my ($who, $arg) = @_;	4105	my ($who, $arg) = @_;
3375		4106
3376	if ($who->flag (FLAG_WIZ)) {	4107	if ($who->flag (FLAG_WIZ)) {
3377	$who->message ("reloading server.");	4108	$who->message ("reloading server.");
		4109	async {
		4110	$Coro::current->{desc} = "perl_reload";
3378	async { reload_perl };	4111	reload_perl;
		4112	};
3379	}	4113	}
3380	};	4114	};
3381		4115
3382	unshift @INC, $LIBDIR;	4116	#############################################################################
3383		4117
3384	my $bug_warning = 0;	4118	my $bug_warning = 0;
3385		4119
3386	our @WAIT_FOR_TICK;
3387	our @WAIT_FOR_TICK_BEGIN;
3388
3389	sub wait_for_tick {	4120	sub wait_for_tick() {
3390	return unless $TICK_WATCHER->is_active;	4121	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3391	return if $Coro::current == $Coro::main;
3392		4122
3393	my $signal = new Coro::Signal;	4123	$WAIT_FOR_TICK->wait;
3394	push @WAIT_FOR_TICK, $signal;
3395	$signal->wait;
3396	}	4124	}
3397		4125
3398	sub wait_for_tick_begin {	4126	sub wait_for_tick_begin() {
3399	return unless $TICK_WATCHER->is_active;	4127	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3400	return if $Coro::current == $Coro::main;
3401		4128
3402	my $signal = new Coro::Signal;	4129	my $signal = new Coro::Signal;
3403	push @WAIT_FOR_TICK_BEGIN, $signal;	4130	push @WAIT_FOR_TICK_BEGIN, $signal;
3404	$signal->wait;	4131	$signal->wait;
3405	}	4132	}
3406		4133
3407	my $min = 1e6;#d#	4134	sub tick {
3408	my $avg = 10;
3409	$TICK_WATCHER = Event->timer (
3410	reentrant => 0,
3411	parked => 1,
3412	prio => 0,
3413	at => $NEXT_TICK || $TICK,
3414	data => WF_AUTOCANCEL,
3415	cb => sub {
3416	if ($Coro::current != $Coro::main) {	4135	if ($Coro::current != $Coro::main) {
3417	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4136	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3418	unless ++$bug_warning > 10;	4137	unless ++$bug_warning > 10;
3419	return;	4138	return;
3420	}	4139	}
3421		4140
3422	$NOW = $tick_start = Event::time;	4141	cf::one_tick; # one server iteration
3423		4142
3424	cf::server_tick; # one server iteration	4143	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3425		4144
3426	0 && sync_job {#d#	4145	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3427	for(1..10) {	4146	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3428	my $t = Event::time;	4147	Coro::async_pool {
3429	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4148	$Coro::current->{desc} = "runtime saver";
3430	or die;	4149	write_runtime_sync
3431		4150	or error "ERROR: unable to write runtime file: $!";
3432	$map->width (50);
3433	$map->height (50);
3434	$map->alloc;
3435	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
3436	my $t = Event::time - $t;
3437
3438	#next unless $t < 0.0013;#d#
3439	if ($t < $min) {
3440	$min = $t;
3441	}
3442	$avg = $avg * 0.99 + $t * 0.01;
3443	}
3444	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3445	exit 0;
3446	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3447	};	4151	};
		4152	}
3448		4153
3449	$RUNTIME += $TICK;
3450	$NEXT_TICK += $TICK;
3451
3452	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3453	$NEXT_RUNTIME_WRITE = $NOW + 10;
3454	Coro::async_pool {
3455	write_runtime
3456	or warn "ERROR: unable to write runtime file: $!";
3457	};
3458	}
3459
3460	# my $AFTER = Event::time;
3461	# warn $AFTER - $NOW;#d#
3462
3463	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4154	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3464	$sig->send;	4155	$sig->send;
3465	}	4156	}
3466	while (my $sig = shift @WAIT_FOR_TICK) {	4157	$WAIT_FOR_TICK->broadcast;
3467	$sig->send;
3468	}
3469		4158
3470	$NOW = Event::time;	4159	$LOAD = ($NOW - $TICK_START) / $TICK;
3471
3472	# if we are delayed by four ticks or more, skip them all
3473	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3474
3475	$TICK_WATCHER->at ($NEXT_TICK);
3476	$TICK_WATCHER->start;
3477
3478	$LOAD = ($NOW - $tick_start) / $TICK;
3479	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4160	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3480		4161
3481	_post_tick;	4162	if (0) {
3482		4163	if ($NEXT_TICK) {
3483		4164	my $jitter = $TICK_START - $NEXT_TICK;
		4165	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4166	debug "jitter $JITTER\n";#d#
		4167	}
3484	},	4168	}
3485	);	4169	}
3486		4170
3487	{	4171	{
3488	BDB::max_poll_time $TICK * 0.1;	4172	# configure BDB
3489	$BDB_POLL_WATCHER = Event->io (	4173
3490	reentrant => 0,
3491	fd => BDB::poll_fileno,
3492	poll => 'r',
3493	prio => 0,
3494	data => WF_AUTOCANCEL,
3495	cb => \&BDB::poll_cb,
3496	);
3497	BDB::min_parallel 8;	4174	BDB::min_parallel 16;
3498		4175	BDB::max_poll_reqs $TICK * 0.1;
3499	BDB::set_sync_prepare {	4176	$AnyEvent::BDB::WATCHER->priority (1);
3500	my $status;
3501	my $current = $Coro::current;
3502	(
3503	sub {
3504	$status = $!;
3505	$current->ready; undef $current;
3506	},
3507	sub {
3508	Coro::schedule while defined $current;
3509	$! = $status;
3510	},
3511	)
3512	};
3513		4177
3514	unless ($DB_ENV) {	4178	unless ($DB_ENV) {
3515	$DB_ENV = BDB::db_env_create;	4179	$DB_ENV = BDB::db_env_create;
		4180	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4181	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4182	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4183	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4184	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3516		4185
3517	cf::sync_job {	4186	cf::sync_job {
3518	eval {	4187	eval {
3519	BDB::db_env_open	4188	BDB::db_env_open
3520	$DB_ENV,	4189	$DB_ENV,
…		…
3522	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4191	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3523	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4192	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3524	0666;	4193	0666;
3525		4194
3526	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4195	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3527
3528	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3529	$DB_ENV->set_lk_detect;
3530	};	4196	};
3531		4197
3532	cf::cleanup "db_env_open(db): $@" if $@;	4198	cf::cleanup "db_env_open(db): $@" if $@;
3533	};	4199	};
3534	}	4200	}
		4201
		4202	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4203	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4204	};
		4205	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4206	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4207	};
		4208	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4209	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4210	};
3535	}	4211	}
3536		4212
3537	{	4213	{
		4214	# configure IO::AIO
		4215
3538	IO::AIO::min_parallel 8;	4216	IO::AIO::min_parallel 8;
3539
3540	undef $Coro::AIO::WATCHER;
3541	IO::AIO::max_poll_time $TICK * 0.1;	4217	IO::AIO::max_poll_time $TICK * 0.1;
3542	$AIO_POLL_WATCHER = Event->io (	4218	undef $AnyEvent::AIO::WATCHER;
3543	reentrant => 0,
3544	data => WF_AUTOCANCEL,
3545	fd => IO::AIO::poll_fileno,
3546	poll => 'r',
3547	prio => 6,
3548	cb => \&IO::AIO::poll_cb,
3549	);
3550	}	4219	}
3551		4220
3552	my $_log_backtrace;	4221	our $_log_backtrace;
		4222	our $_log_backtrace_last;
3553		4223
3554	sub _log_backtrace {	4224	sub _log_backtrace {
3555	my ($msg, @addr) = @_;	4225	my ($msg, @addr) = @_;
3556		4226
3557	$msg =~ s/\n//;	4227	$msg =~ s/\n$//;
3558		4228
		4229	if ($_log_backtrace_last eq $msg) {
		4230	LOG llevInfo, "[ABT] $msg\n";
		4231	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3559	# limit the # of concurrent backtraces	4232	# limit the # of concurrent backtraces
3560	if ($_log_backtrace < 2) {	4233	} elsif ($_log_backtrace < 2) {
		4234	$_log_backtrace_last = $msg;
3561	++$_log_backtrace;	4235	++$_log_backtrace;
		4236	my $perl_bt = Carp::longmess $msg;
3562	async {	4237	async {
		4238	$Coro::current->{desc} = "abt $msg";
		4239
3563	my @bt = fork_call {	4240	my @bt = fork_call {
3564	@addr = map { sprintf "%x", $_ } @addr;	4241	@addr = map { sprintf "%x", $_ } @addr;
3565	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4242	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3566	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4243	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3567	or die "addr2line: $!";	4244	or die "addr2line: $!";
…		…
3575	}	4252	}
3576		4253
3577	@funcs	4254	@funcs
3578	};	4255	};
3579		4256
3580	LOG llevInfo, "[ABT] $msg\n";	4257	LOG llevInfo, "[ABT] $perl_bt\n";
		4258	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3581	LOG llevInfo, "[ABT] $_\n" for @bt;	4259	LOG llevInfo, "[ABT] $_\n" for @bt;
3582	--$_log_backtrace;	4260	--$_log_backtrace;
3583	};	4261	};
3584	} else {	4262	} else {
3585	LOG llevInfo, "[ABT] $msg\n";	4263	LOG llevInfo, "[ABT] $msg\n";
3586	LOG llevInfo, "[ABT] [suppressed]\n";	4264	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3587	}	4265	}
3588	}	4266	}
3589		4267
3590	# load additional modules	4268	# load additional modules
3591	use cf::pod;	4269	require "cf/$_.pm" for @EXTRA_MODULES;
		4270	cf::_connect_to_perl_2;
3592		4271
3593	END { cf::emergency_save }	4272	END { cf::emergency_save }
3594		4273
3595	1	4274	1
3596		4275

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