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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.375 by root, Sun Sep 30 20:22:21 2007 UTC vs.
Revision 1.578 by root, Wed Jan 4 02:48:57 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.64 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.32 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		75
43	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
44		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		78
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
54		85
55	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
65	our $DATADIR = datadir;	99	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
69	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	#our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
75		120
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	123	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		125
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	129	our $DB_ENV;
89		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
90	our %CFG;	133	our %CFG;
91		134
92	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
		138	our $NOW;
94		139
95	our (%PLAYER, %PLAYER_LOADING); # all users	140	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	141	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
98		143
99	# 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 ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		146
102	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)
103	our $LOADAVG; # same thing, but with alpha-smoothing	148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
104	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 $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
105		159
106	binmode STDOUT;	160	binmode STDOUT;
107	binmode STDERR;	161	binmode STDERR;
108		162
109	# read virtual server time, if available	163	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
114	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
115		171
116	mkdir $_	172	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		174
119	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
120		176
121	sub cf::map::normalise;	177	sub cf::map::normalise;
122		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
123	#############################################################################	183	#############################################################################
124		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
125	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
126		197
127	=over 4	198	=over 4
128		199
129	=item $cf::UPTIME	200	=item $cf::UPTIME
130		201
131	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.
132		218
133	=item $cf::RUNTIME	219	=item $cf::RUNTIME
134		220
135	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
136	every server tick.	222	every server tick.
…		…
142	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
144	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
145	database environment.	231	database environment.
146		232
147	=item $cf::NOW
148
149	The time of the last (current) server tick.
150
151	=item $cf::TICK
152
153	The interval between server ticks, in seconds.
154
155	=item $cf::LOADAVG	233	=item $cf::LOADAVG
156		234
157	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
158	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
159	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
162		240
163	The raw value load value from the last tick.	241	The raw value load value from the last tick.
164		242
165	=item %cf::CFG	243	=item %cf::CFG
166		244
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	246	from wherever your confdir points to.
169		247
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		249
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
173	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
175		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$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
176	=item @cf::INVOKE_RESULTS	271	=item @cf::INVOKE_RESULTS
177		272
178	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
179	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
180	that call.	275	that call.
181		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
182	=back	283	=back
183		284
184	=cut	285	=cut
185		286
186	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
187	*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 {
188	my $msg = join "", @_;	294	my $msg = join "", @_;
189		295
190	$msg .= "\n"	296	$msg .= "\n"
191	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
192		298
193	$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;
194		300
195	LOG llevError, $msg;	301	LOG llevWarn, $msg;
196	};	302	};
197	}	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	};
198		317
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	328	for my $pkg (qw(
210	cf::global cf::attachable	329	cf::global cf::attachable
211	cf::object cf::object::player	330	cf::object cf::object::player
212	cf::client cf::player	331	cf::client cf::player
213	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
214	cf::map cf::party cf::region	334	cf::party cf::region
215	)) {	335	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	337	}
219		338
220	$Event::DIED = sub {	339	$EV::DIED = sub {
221	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
222	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
223		347
224	#############################################################################	348	#############################################################################
225		349
226	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
227		351
…		…
248	$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;
249	$d	373	$d
250	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
251	}	375	}
252		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
253	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
254		392
255	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
256		394
257	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
258		396
259	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
260		398
261	=cut	399	=cut
262		400
263	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
264		402
265	sub to_json ($) { $json_coder->encode ($_[0]) }	403	sub encode_json($) { $json_coder->encode ($_[0]) }
266	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	}
267		467
268	=item cf::lock_wait $string	468	=item cf::lock_wait $string
269		469
270	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
271		471
272	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
273		473
274	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
275	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,
276	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
277	returned.	477	returned.
278		478
279	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
280	deadlocked coro.	480	deadlocked coro.
…		…
286		486
287	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.
288		488
289	=cut	489	=cut
290		490
291	our %LOCK;	491	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		492
294	sub lock_wait($) {	493	sub lock_wait($) {
295	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
296
297	if ($LOCKER{$key} == $Coro::current) {#d#
298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299	return;#d#
300	}#d#
301
302	# wait for lock, if any
303	while ($LOCK{$key}) {
304	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	495	}
308		496
309	sub lock_acquire($) {	497	sub lock_acquire($) {
310	my ($key) = @_;	498	$LOCKS->guard ($_[0])
311
312	# wait, to be sure we are not locked
313	lock_wait $key;
314
315	$LOCK{$key} = [];
316	$LOCKER{$key} = $Coro::current;#d#
317
318	Coro::guard {
319	delete $LOCKER{$key};#d#
320	# wake up all waiters, to be on the safe side
321	$_->ready for @{ delete $LOCK{$key} };
322	}
323	}	499	}
324		500
325	sub lock_active($) {	501	sub lock_active($) {
326	my ($key) = @_;	502	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	503	}
330		504
331	sub freeze_mainloop {	505	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
333		507
334	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	509	}
336	};	510
337	$TICK_WATCHER->stop;	511	=item cf::periodic $interval, $cb
338	$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
339	}	524	}
340		525
341	=item cf::get_slot $time[, $priority[, $name]]	526	=item cf::get_slot $time[, $priority[, $name]]
342		527
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	528	Allocate $time seconds of blocking CPU time at priority C<$priority>
344	This call blocks and returns only when you have at least C<$time> seconds	529	(default: 0): This call blocks and returns only when you have at least
345	of cpu time till the next tick. The slot is only valid till the next cede.	530	C<$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.
346		535
347	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
348	used for statistical purposes and should identify the same time-class.	537	used for statistical purposes and should identify the same time-class.
349		538
350	Useful for short background jobs.	539	Useful for short background jobs.
351		540
352	=cut	541	=cut
353		542
354	our @SLOT_QUEUE;	543	our @SLOT_QUEUE;
355	our $SLOT_QUEUE;	544	our $SLOT_QUEUE;
		545	our $SLOT_DECAY = 0.9;
356		546
357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	547	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
358	$SLOT_QUEUE = Coro::async {	548	$SLOT_QUEUE = Coro::async {
359	$Coro::current->desc ("timeslot manager");	549	$Coro::current->desc ("timeslot manager");
360		550
361	my $signal = new Coro::Signal;	551	my $signal = new Coro::Signal;
		552	my $busy;
362		553
363	while () {	554	while () {
364	next_job:	555	next_job:
		556
365	my $avail = cf::till_tick;	557	my $avail = cf::till_tick;
366	if ($avail > 0.01) {	558
367	for (0 .. $#SLOT_QUEUE) {	559	for (0 .. $#SLOT_QUEUE) {
368	if ($SLOT_QUEUE[$_][0] < $avail) {	560	if ($SLOT_QUEUE[$_][0] <= $avail) {
		561	$busy = 0;
369	my $job = splice @SLOT_QUEUE, $_, 1, ();	562	my $job = splice @SLOT_QUEUE, $_, 1, ();
370	$job->[2]->send;	563	$job->[2]->send;
371	Coro::cede;	564	Coro::cede;
372	goto next_job;	565	goto next_job;
373	}	566	} else {
		567	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
374	}	568	}
375	}	569	}
376		570
377	if (@SLOT_QUEUE) {	571	if (@SLOT_QUEUE) {
378	# 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
379	push @cf::WAIT_FOR_TICK, $signal;	573	$WAIT_FOR_TICK->wait;
380	$signal->wait;
381	} else {	574	} else {
		575	$busy = 0;
382	Coro::schedule;	576	Coro::schedule;
383	}	577	}
384	}	578	}
385	};	579	};
386		580
387	sub get_slot($;$$) {	581	sub get_slot($;$$) {
		582	return if tick_inhibit || $Coro::current == $Coro::main;
		583
388	my ($time, $pri, $name) = @_;	584	my ($time, $pri, $name) = @_;
389		585
390	$time = $TICK * .6 if $time > $TICK * .6;	586	$time = clamp $time, 0.01, $TICK * .6;
		587
391	my $sig = new Coro::Signal;	588	my $sig = new Coro::Signal;
392		589
393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	590	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	591	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
395	$SLOT_QUEUE->ready;	592	$SLOT_QUEUE->ready;
…		…
406		603
407	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
408		605
409	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
410		607
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	608	The design of Deliantra requires that the main coroutine ($Coro::main)
412	is always able to handle events or runnable, as Crossfire TRT is only	609	is always able to handle events or runnable, as Deliantra is only
413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	610	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	611	acceptable.
415		612
416	If it must be done, put the blocking parts into C<sync_job>. This will run	613	If it must be done, put the blocking parts into C<sync_job>. This will run
417	the given BLOCK in another coroutine while waiting for the result. The	614	the given BLOCK in another coroutine while waiting for the result. The
…		…
421	=cut	618	=cut
422		619
423	sub sync_job(&) {	620	sub sync_job(&) {
424	my ($job) = @_;	621	my ($job) = @_;
425		622
426	if ($Coro::current == $Coro::main) {	623	if (in_main) {
427	my $time = Event::time;	624	my $time = AE::time;
428		625
429	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
431		628
432	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
433	# (but this is cancel-safe)	630
434	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
435		632
436	my $busy = 1;	633	my $busy = 1;
437	my @res;	634	my @res;
438		635
439	(async {	636	(async {
440	$Coro::current->desc ("sync job coro");	637	$Coro::current->desc ("sync job coro");
441	@res = eval { $job->() };	638	@res = eval { $job->() };
442	warn $@ if $@;	639	error $@ if $@;
443	undef $busy;	640	undef $busy;
444	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
445		642
446	while ($busy) {	643	while ($busy) {
447	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
448	}	648	}
		649	}
449		650
450	$time = Event::time - $time;	651	my $time = AE::time - $time;
451		652
452	LOG llevError | logBacktrace, Carp::longmess "long sync job"
453	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
454
455	$tick_start += $time; # do not account sync jobs to server load	653	$TICK_START += $time; # do not account sync jobs to server load
456		654
457	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
458	} else {	656	} else {
459	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
460		658
…		…
480	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
481		679
482	$coro	680	$coro
483	}	681	}
484		682
485	=item fork_call { }, $args	683	=item fork_call { }, @args
486		684
487	Executes the given code block with the given arguments in a seperate	685	Executes the given code block with the given arguments in a seperate
488	process, returning the results. Everything must be serialisable with	686	process, returning the results. Everything must be serialisable with
489	Coro::Storable. May, of course, block. Note that the executed sub may	687	Coro::Storable. May, of course, block. Note that the executed sub may
490	never block itself or use any form of Event handling.	688	never block itself or use any form of event handling.
491		689
492	=cut	690	=cut
		691
		692	sub post_fork {
		693	reset_signals;
		694	}
493		695
494	sub fork_call(&@) {	696	sub fork_call(&@) {
495	my ($cb, @args) = @_;	697	my ($cb, @args) = @_;
496		698
497	# we seemingly have to make a local copy of the whole thing,	699	# we seemingly have to make a local copy of the whole thing,
498	# otherwise perl prematurely frees the stuff :/	700	# otherwise perl prematurely frees the stuff :/
499	# TODO: investigate and fix (likely this will be rather laborious)	701	# TODO: investigate and fix (likely this will be rather laborious)
500		702
501	my @res = Coro::Util::fork_eval {	703	my @res = Coro::Util::fork_eval {
502	reset_signals;	704	cf::post_fork;
503	&$cb	705	&$cb
504	}, @args;	706	} @args;
505		707
506	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
507	}	747	}
508		748
509	=item $value = cf::db_get $family => $key	749	=item $value = cf::db_get $family => $key
510		750
511	Returns a single value from the environment database.	751	Returns a single value from the environment database.
…		…
521	within each server.	761	within each server.
522		762
523	=cut	763	=cut
524		764
525	sub db_table($) {	765	sub db_table($) {
		766	cf::error "db_get called from main context"
		767	if $Coro::current == $Coro::main;
		768
526	my ($name) = @_;	769	my ($name) = @_;
527	my $db = BDB::db_create $DB_ENV;	770	my $db = BDB::db_create $DB_ENV;
528		771
529	eval {	772	eval {
530	$db->set_flags (BDB::CHKSUM);	773	$db->set_flags (BDB::CHKSUM);
…		…
540	}	783	}
541		784
542	our $DB;	785	our $DB;
543		786
544	sub db_init {	787	sub db_init {
545	cf::sync_job {
546	$DB ||= db_table "db";	788	$DB ||= db_table "db";
547	};
548	}	789	}
549		790
550	sub db_get($$) {	791	sub db_get($$) {
551	my $key = "$_[0]/$_[1]";	792	my $key = "$_[0]/$_[1]";
552		793
553	cf::sync_job {	794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
554	BDB::db_get $DB, undef, $key, my $data;	797	BDB::db_get $DB, undef, $key, my $data;
555		798
556	$! ? ()	799	$! ? ()
557	: $data	800	: $data
558	}
559	}	801	}
560		802
561	sub db_put($$$) {	803	sub db_put($$$) {
562	BDB::dbreq_pri 4;	804	BDB::dbreq_pri 4;
563	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
591		833
592	my @data;	834	my @data;
593	my $md5;	835	my $md5;
594		836
595	for (0 .. $#$src) {	837	for (0 .. $#$src) {
596	0 <= aio_load $src->[$_], $data[$_]	838	$data[$_] = load_file $src->[$_];
597	or Carp::croak "$src->[$_]: $!";
598	}	839	}
599		840
600	# if processing is expensive, check	841	# if processing is expensive, check
601	# checksum first	842	# checksum first
602	if (1) {	843	if (1) {
…		…
619		860
620	my $t1 = Time::HiRes::time;	861	my $t1 = Time::HiRes::time;
621	my $data = $process->(\@data);	862	my $data = $process->(\@data);
622	my $t2 = Time::HiRes::time;	863	my $t2 = Time::HiRes::time;
623		864
624	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
625		866
626	db_put cache => "$id/data", $data;	867	db_put cache => "$id/data", $data;
627	db_put cache => "$id/md5" , $md5;	868	db_put cache => "$id/md5" , $md5;
628	db_put cache => "$id/meta", $meta;	869	db_put cache => "$id/meta", $meta;
629		870
…		…
639		880
640	=cut	881	=cut
641		882
642	sub datalog($@) {	883	sub datalog($@) {
643	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
644	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
645	}	886	}
646		887
647	=back	888	=back
648		889
649	=cut	890	=cut
650		891
651	#############################################################################	892	#############################################################################
652		893
653	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
654		895
655	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
656	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")
657	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
658		899
659	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>
660	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
661	Crossfire TRT).	902	Deliantra).
662		903
663	=over 4	904	=over 4
664		905
665	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
666		907
…		…
710	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
711		952
712	Register an attachment by C<$name> through which attachable objects of the	953	Register an attachment by C<$name> through which attachable objects of the
713	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
714		955
715	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
716	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.
717		958
718	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
719		960
720	=over 4	961	=over 4
…		…
844		1085
845	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
846	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
847		1088
848	} elsif (ref $type) {	1089	} elsif (ref $type) {
849	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
850		1091
851	} else {	1092	} else {
852	shift @arg;	1093	shift @arg;
853	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
854	}	1095	}
855	}	1096	}
856	}	1097	}
857		1098
858	sub _object_attach {	1099	sub _object_attach {
…		…
868	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
869	}	1110	}
870		1111
871	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
872	} else {	1113	} else {
873	warn "object uses attachment '$name' which is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
874	}	1115	}
875		1116
876	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
877	}	1118	}
878		1119
…		…
937		1178
938	for (@$callbacks) {	1179	for (@$callbacks) {
939	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
940		1181
941	if ($@) {	1182	if ($@) {
942	warn "$@";
943	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
944	override;	1184	override;
945	}	1185	}
946		1186
947	return 1 if $override;	1187	return 1 if $override;
948	}	1188	}
949		1189
950	0	1190	0
951	}	1191	}
952		1192
953	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
954		1194
955	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
956		1196
957	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
958		1198
…		…
964		1204
965	=cut	1205	=cut
966		1206
967	#############################################################################	1207	#############################################################################
968	# object support	1208	# object support
969	#
970		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 $SLOW_MERGES;#d#
971	sub _can_merge {	1243	sub _can_merge {
972	my ($ob1, $ob2) = @_;	1244	my ($ob1, $ob2) = @_;
973		1245
974	local $Storable::canonical = 1;	1246	++$SLOW_MERGES;#d#
975	my $fob1 = Storable::freeze $ob1;
976	my $fob2 = Storable::freeze $ob2;
977		1247
978	$fob1 eq $fob2	1248	# we do the slow way here
		1249	return _object_equal $ob1, $ob2
979	}	1250	}
980		1251
981	sub reattach {	1252	sub reattach {
982	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
983	my ($obj) = @_;	1254	my ($obj) = @_;
984		1255
		1256	# no longer needed after getting rid of delete_package?
985	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
986		1258
987	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
988		1260
989	@$registry = ();	1261	@$registry = ();
990		1262
…		…
995	for (@$attach) {	1267	for (@$attach) {
996	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
997	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
998	}	1270	}
999	} else {	1271	} else {
1000	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
1001	}	1273	}
1002	}	1274	}
1003	}	1275	}
1004		1276
1005	cf::attachable->attach (	1277	cf::attachable->attach (
1006	prio => -1000000,	1278	prio => -1000000,
1007	on_instantiate => sub {	1279	on_instantiate => sub {
1008	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
1009		1281
1010	$data = from_json $data;	1282	$data = decode_json $data;
1011		1283
1012	for (@$data) {	1284	for (@$data) {
1013	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
1014		1286
1015	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
1032	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
1033		1305
1034	sync_job {	1306	sync_job {
1035	if (length $$rdata) {	1307	if (length $$rdata) {
1036	utf8::decode (my $decname = $filename);	1308	utf8::decode (my $decname = $filename);
1037	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
1038	$decname, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
1039		1312
1040	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1041	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
1042	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1043	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	}
1044	close $fh;	1320	aio_close $fh;
1045		1321
1046	if (@$objs) {	1322	if (@$objs) {
1047	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) {
1048	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
1049	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1050	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
1051	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	}
1052	close $fh;	1331	aio_close $fh;
1053	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
1054	}	1333	}
1055	} else {	1334	} else {
1056	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
1057	}	1336	}
1058		1337
1059	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
1060	} else {	1342	} else {
1061	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
1062	}	1344	}
1063	} else {	1345	} else {
1064	aio_unlink $filename;	1346	aio_unlink $filename;
1065	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
1066	}	1348	}
…		…
1085		1367
1086	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
1087	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
1088	or return;	1370	or return;
1089		1371
1090	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
1091	}	1374	}
1092		1375
1093	utf8::decode (my $decname = $filename);	1376	utf8::decode (my $decname = $filename);
1094	warn sprintf "loading %s (%d,%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
1095	$decname, length $data, scalar @{$av || []};	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
1096		1380
1097	($data, $av)	1381	($data, $av)
1098	}	1382	}
1099		1383
1100	=head2 COMMAND CALLBACKS	1384	=head2 COMMAND CALLBACKS
…		…
1156	my ($name, $cb) = @_;	1440	my ($name, $cb) = @_;
1157		1441
1158	$EXTICMD{$name} = $cb;	1442	$EXTICMD{$name} = $cb;
1159	}	1443	}
1160		1444
		1445	use File::Glob ();
		1446
1161	cf::player->attach (	1447	cf::player->attach (
1162	on_command => sub {	1448	on_unknown_command => sub {
1163	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
1164		1450
1165	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
1166	or return;	1452	or return;
1167		1453
…		…
1175	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
1176		1462
1177	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1178		1464
1179	if (ref $msg) {	1465	if (ref $msg) {
1180	my ($type, $reply, @payload) =	1466	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1181	"ARRAY" eq ref $msg
1182	? @$msg
1183	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1184		1467
1185	my @reply;	1468	my @reply;
1186		1469
1187	if (my $cb = $EXTCMD{$type}) {	1470	if (my $cb = $EXTCMD{$type}) {
1188	@reply = $cb->($pl, @payload);	1471	@reply = $cb->($pl, @payload);
…		…
1190		1473
1191	$pl->ext_reply ($reply, @reply)	1474	$pl->ext_reply ($reply, @reply)
1192	if $reply;	1475	if $reply;
1193		1476
1194	} else {	1477	} else {
1195	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1478	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1196	}	1479	}
1197		1480
1198	cf::override;	1481	cf::override;
1199	},	1482	},
1200	);	1483	);
1201		1484
		1485	# "readahead" all extensions
		1486	sub cache_extensions {
		1487	my $grp = IO::AIO::aio_group;
		1488
		1489	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1490	for (grep /\.ext$/, @{$_[0]}) {
		1491	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1492	}
		1493	};
		1494
		1495	$grp
		1496	}
		1497
1202	sub load_extensions {	1498	sub load_extensions {
		1499	info "loading extensions...";
		1500
1203	cf::sync_job {	1501	cf::sync_job {
1204	my %todo;	1502	my %todo;
1205		1503
1206	for my $path (<$LIBDIR/*.ext>) {	1504	for my $path (<$LIBDIR/*.ext>) {
1207	next unless -r $path;	1505	next unless -r $path;
…		…
1225		1523
1226	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1524	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1227	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1525	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1228		1526
1229	$ext{source} =	1527	$ext{source} =
1230	"package $pkg; use strict; use utf8;\n"	1528	"package $pkg; use common::sense;\n"
1231	. "#line 1 \"$path\"\n{\n"	1529	. "#line 1 \"$path\"\n{\n"
1232	. $source	1530	. $source
1233	. "\n};\n1";	1531	. "\n};\n1";
1234		1532
1235	$todo{$base} = \%ext;	1533	$todo{$base} = \%ext;
1236	}	1534	}
1237		1535
		1536	my $pass = 0;
1238	my %done;	1537	my %done;
1239	while (%todo) {	1538	while (%todo) {
1240	my $progress;	1539	my $progress;
1241		1540
		1541	++$pass;
		1542
		1543	ext:
1242	while (my ($k, $v) = each %todo) {	1544	while (my ($k, $v) = each %todo) {
1243	for (split /,\s*/, $v->{meta}{depends}) {	1545	for (split /,\s*/, $v->{meta}{depends}) {
1244	goto skip	1546	next ext
1245	unless exists $done{$_};	1547	unless exists $done{$_};
1246	}	1548	}
1247		1549
1248	warn "... loading '$k' into '$v->{pkg}'\n";	1550	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1249		1551
1250	unless (eval $v->{source}) {	1552	my $active = eval $v->{source};
		1553
		1554	if (length $@) {
1251	my $msg = $@ ? "$v->{path}: $@\n"	1555	error "$v->{path}: $@\n";
1252	: "$v->{base}: extension inactive.\n";
1253		1556
		1557	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1254	if (exists $v->{meta}{mandatory}) {	1558	if exists $v->{meta}{mandatory};
1255	warn $msg;	1559
1256	warn "mandatory extension failed to load, exiting.\n";	1560	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1257	exit 1;	1561	delete $todo{$k};
1258	}	1562	} else {
1259		1563	$done{$k} = delete $todo{$k};
1260	warn $msg;	1564	push @EXTS, $v->{pkg};
		1565	$progress = 1;
		1566
		1567	info "$v->{base}: extension inactive.\n"
		1568	unless $active;
1261	}	1569	}
1262
1263	$done{$k} = delete $todo{$k};
1264	push @EXTS, $v->{pkg};
1265	$progress = 1;
1266	}	1570	}
1267		1571
1268	skip:	1572	unless ($progress) {
1269	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1573	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1270	unless $progress;	1574
		1575	while (my ($k, $v) = each %todo) {
		1576	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1577	if exists $v->{meta}{mandatory};
		1578	}
		1579
		1580	last;
		1581	}
1271	}	1582	}
1272	};	1583	};
1273	}	1584	}
1274		1585
1275	#############################################################################	1586	#############################################################################
1276		1587
1277	=back	1588	=back
1278		1589
1279	=head2 CORE EXTENSIONS	1590	=head2 CORE EXTENSIONS
1280		1591
1281	Functions and methods that extend core crossfire objects.	1592	Functions and methods that extend core deliantra objects.
1282		1593
1283	=cut	1594	=cut
1284		1595
1285	package cf::player;	1596	package cf::player;
1286		1597
…		…
1329		1640
1330	sub exists($) {	1641	sub exists($) {
1331	my ($login) = @_;	1642	my ($login) = @_;
1332		1643
1333	$cf::PLAYER{$login}	1644	$cf::PLAYER{$login}
1334	or cf::sync_job { !aio_stat path $login }	1645	or !aio_stat path $login
1335	}	1646	}
1336		1647
1337	sub find($) {	1648	sub find($) {
1338	return $cf::PLAYER{$_[0]} || do {	1649	return $cf::PLAYER{$_[0]} || do {
1339	my $login = $_[0];	1650	my $login = $_[0];
…		…
1351	my $f = new_from_file cf::object::thawer path $login	1662	my $f = new_from_file cf::object::thawer path $login
1352	or return;	1663	or return;
1353		1664
1354	my $pl = cf::player::load_pl $f	1665	my $pl = cf::player::load_pl $f
1355	or return;	1666	or return;
		1667
1356	local $cf::PLAYER_LOADING{$login} = $pl;	1668	local $cf::PLAYER_LOADING{$login} = $pl;
1357	$f->resolve_delayed_derefs;	1669	$f->resolve_delayed_derefs;
1358	$cf::PLAYER{$login} = $pl	1670	$cf::PLAYER{$login} = $pl
1359	}	1671	}
1360	}	1672	}
1361	}	1673	}
1362		1674
		1675	cf::player->attach (
		1676	on_load => sub {
		1677	my ($pl, $path) = @_;
		1678
		1679	# restore slots saved in save, below
		1680	my $slots = delete $pl->{_slots};
		1681
		1682	$pl->ob->current_weapon ($slots->[0]);
		1683	$pl->combat_ob ($slots->[1]);
		1684	$pl->ranged_ob ($slots->[2]);
		1685	},
		1686	);
		1687
1363	sub save($) {	1688	sub save($) {
1364	my ($pl) = @_;	1689	my ($pl) = @_;
1365		1690
1366	return if $pl->{deny_save};	1691	return if $pl->{deny_save};
1367		1692
…		…
1370		1695
1371	return if $pl->{deny_save};	1696	return if $pl->{deny_save};
1372		1697
1373	aio_mkdir playerdir $pl, 0770;	1698	aio_mkdir playerdir $pl, 0770;
1374	$pl->{last_save} = $cf::RUNTIME;	1699	$pl->{last_save} = $cf::RUNTIME;
		1700
		1701	cf::get_slot 0.01;
		1702
		1703	# save slots, to be restored later
		1704	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1375		1705
1376	$pl->save_pl ($path);	1706	$pl->save_pl ($path);
1377	cf::cede_to_tick;	1707	cf::cede_to_tick;
1378	}	1708	}
1379		1709
…		…
1411	my ($pl) = @_;	1741	my ($pl) = @_;
1412		1742
1413	my $name = $pl->ob->name;	1743	my $name = $pl->ob->name;
1414		1744
1415	$pl->{deny_save} = 1;	1745	$pl->{deny_save} = 1;
1416	$pl->password ("*"); # this should lock out the player until we nuked the dir	1746	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1417		1747
1418	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1748	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1419	$pl->deactivate;	1749	$pl->deactivate;
		1750
		1751	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1420	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1752	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1753	ext::highscore::check ($pl->ob);
		1754
1421	$pl->ns->destroy if $pl->ns;	1755	$pl->ns->destroy if $pl->ns;
1422		1756
1423	my $path = playerdir $pl;	1757	my $path = playerdir $pl;
1424	my $temp = "$path~$cf::RUNTIME~deleting~";	1758	my $temp = "$path~$cf::RUNTIME~deleting~";
1425	aio_rename $path, $temp;	1759	aio_rename $path, $temp;
…		…
1463		1797
1464	for my $login (@$dirs) {	1798	for my $login (@$dirs) {
1465	my $path = path $login;	1799	my $path = path $login;
1466		1800
1467	# a .pst is a dead give-away for a valid player	1801	# a .pst is a dead give-away for a valid player
1468	unless (-e "$path.pst") {	1802	# if no pst file found, open and chekc for blocked users
		1803	if (aio_stat "$path.pst") {
1469	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1804	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1470	aio_read $fh, 0, 512, my $buf, 0 or next;	1805	aio_read $fh, 0, 512, my $buf, 0 or next;
1471	$buf !~ /^password -------------$/m or next; # official not-valid tag	1806	$buf !~ /^password -------------$/m or next; # official not-valid tag
1472	}	1807	}
1473		1808
…		…
1477		1812
1478	\@logins	1813	\@logins
1479	}	1814	}
1480		1815
1481	=item $player->maps	1816	=item $player->maps
		1817
		1818	=item cf::player::maps $login
1482		1819
1483	Returns an arrayref of map paths that are private for this	1820	Returns an arrayref of map paths that are private for this
1484	player. May block.	1821	player. May block.
1485		1822
1486	=cut	1823	=cut
…		…
1504	}	1841	}
1505		1842
1506	\@paths	1843	\@paths
1507	}	1844	}
1508		1845
1509	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1846	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1510		1847
1511	Expand crossfire pod fragments into protocol xml.	1848	Expand deliantra pod fragments into protocol xml.
1512
1513	=cut
1514
1515	sub expand_cfpod {
1516	((my $self), (local $_)) = @_;
1517
1518	# escape & and <
1519	s/&/&amp;/g;
1520	s/(?<![BIUGHT])</&lt;/g;
1521
1522	# this is buggy, it needs to properly take care of nested <'s
1523
1524	1 while
1525	# replace B<>, I<>, U<> etc.
1526	s/B<([^\>]*)>/<b>$1<\/b>/
1527	|| s/I<([^\>]*)>/<i>$1<\/i>/
1528	|| s/U<([^\>]*)>/<u>$1<\/u>/
1529	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1530	# replace G<male|female> tags
1531	|| s{G<([^>|]*)\|([^>]*)>}{
1532	$self->gender ? $2 : $1
1533	}ge
1534	# replace H<hint text>
1535	|| s{H<([^\>]*)>}
1536	{
1537	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1538	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1539	"")
1540	[$self->{hintmode}]
1541	}ge;
1542
1543	# create single paragraphs (very hackish)
1544	s/(?<=\S)\n(?=\w)/ /g;
1545
1546	# compress some whitespace
1547	s/\s+\n/\n/g; # ws line-ends
1548	s/\n\n+/\n/g; # double lines
1549	s/^\n+//; # beginning lines
1550	s/\n+$//; # ending lines
1551
1552	$_
1553	}
1554
1555	sub hintmode {
1556	$_[0]{hintmode} = $_[1] if @_ > 1;
1557	$_[0]{hintmode}
1558	}
1559		1849
1560	=item $player->ext_reply ($msgid, @msg)	1850	=item $player->ext_reply ($msgid, @msg)
1561		1851
1562	Sends an ext reply to the player.	1852	Sends an ext reply to the player.
1563		1853
…		…
1595		1885
1596	=cut	1886	=cut
1597		1887
1598	sub find_by_path($) {	1888	sub find_by_path($) {
1599	my ($path) = @_;	1889	my ($path) = @_;
		1890
		1891	$path =~ s/^~[^\/]*//; # skip ~login
1600		1892
1601	my ($match, $specificity);	1893	my ($match, $specificity);
1602		1894
1603	for my $region (list) {	1895	for my $region (list) {
1604	if ($region->{match} && $path =~ $region->{match}) {	1896	if ($region->{match} && $path =~ $region->{match}) {
…		…
1630	our $MAX_RESET = 3600;	1922	our $MAX_RESET = 3600;
1631	our $DEFAULT_RESET = 3000;	1923	our $DEFAULT_RESET = 3000;
1632		1924
1633	sub generate_random_map {	1925	sub generate_random_map {
1634	my ($self, $rmp) = @_;	1926	my ($self, $rmp) = @_;
1635	# mit "rum" bekleckern, nicht	1927
		1928	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1929
1636	$self->_create_random_map (	1930	$self->_create_random_map ($rmp);
1637	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1638	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1639	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1640	$rmp->{exit_on_final_map},
1641	$rmp->{xsize}, $rmp->{ysize},
1642	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1643	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1644	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1645	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1646	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1647	(cf::region::find $rmp->{region}), $rmp->{custom}
1648	)
1649	}	1931	}
1650		1932
1651	=item cf::map->register ($regex, $prio)	1933	=item cf::map->register ($regex, $prio)
1652		1934
1653	Register a handler for the map path matching the given regex at the	1935	Register a handler for the map path matching the given regex at the
…		…
1658		1940
1659	sub register {	1941	sub register {
1660	my (undef, $regex, $prio) = @_;	1942	my (undef, $regex, $prio) = @_;
1661	my $pkg = caller;	1943	my $pkg = caller;
1662		1944
1663	no strict;
1664	push @{"$pkg\::ISA"}, __PACKAGE__;	1945	push @{"$pkg\::ISA"}, __PACKAGE__;
1665		1946
1666	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1947	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1667	}	1948	}
1668		1949
1669	# also paths starting with '/'	1950	# also paths starting with '/'
1670	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1951	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1671		1952
1672	sub thawer_merge {	1953	sub thawer_merge {
1673	my ($self, $merge) = @_;	1954	my ($self, $merge) = @_;
1674		1955
1675	# we have to keep some variables in memory intact	1956	# we have to keep some variables in memory intact
…		…
1680	}	1961	}
1681		1962
1682	sub normalise {	1963	sub normalise {
1683	my ($path, $base) = @_;	1964	my ($path, $base) = @_;
1684		1965
1685	$path = "$path"; # make sure its a string	1966	$path = "$path"; # make sure it's a string
1686		1967
1687	$path =~ s/\.map$//;	1968	$path =~ s/\.map$//;
1688		1969
1689	# map plan:	1970	# map plan:
1690	#	1971	#
…		…
1705	$base =~ s{[^/]+/?$}{};	1986	$base =~ s{[^/]+/?$}{};
1706	$path = "$base/$path";	1987	$path = "$base/$path";
1707	}	1988	}
1708		1989
1709	for ($path) {	1990	for ($path) {
1710	redo if s{//}{/};
1711	redo if s{/\.?/}{/};	1991	redo if s{/\.?/}{/};
1712	redo if s{/[^/]+/\.\./}{/};	1992	redo if s{/[^/]+/\.\./}{/};
1713	}	1993	}
1714		1994
1715	$path	1995	$path
…		…
1729	$self->init; # pass $1 etc.	2009	$self->init; # pass $1 etc.
1730	return $self;	2010	return $self;
1731	}	2011	}
1732	}	2012	}
1733		2013
1734	Carp::cluck "unable to resolve path '$path' (base '$base').";	2014	Carp::cluck "unable to resolve path '$path' (base '$base')";
1735	()	2015	()
1736	}	2016	}
1737		2017
		2018	# may re-bless or do other evil things
1738	sub init {	2019	sub init {
1739	my ($self) = @_;	2020	my ($self) = @_;
1740		2021
1741	$self	2022	$self
1742	}	2023	}
…		…
1761		2042
1762	# the temporary/swap location	2043	# the temporary/swap location
1763	sub save_path {	2044	sub save_path {
1764	my ($self) = @_;	2045	my ($self) = @_;
1765		2046
1766	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2047	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1767	"$TMPDIR/$path.map"	2048	"$TMPDIR/$path.map"
1768	}	2049	}
1769		2050
1770	# the unique path, undef == no special unique path	2051	# the unique path, undef == no special unique path
1771	sub uniq_path {	2052	sub uniq_path {
1772	my ($self) = @_;	2053	my ($self) = @_;
1773		2054
1774	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2055	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1775	"$UNIQUEDIR/$path"	2056	"$UNIQUEDIR/$path"
1776	}
1777
1778	# and all this just because we cannot iterate over
1779	# all maps in C++...
1780	sub change_all_map_light {
1781	my ($change) = @_;
1782
1783	$_->change_map_light ($change)
1784	for grep $_->outdoor, values %cf::MAP;
1785	}	2057	}
1786		2058
1787	sub decay_objects {	2059	sub decay_objects {
1788	my ($self) = @_;	2060	my ($self) = @_;
1789		2061
…		…
1816	$self->{load_path} = $path;	2088	$self->{load_path} = $path;
1817		2089
1818	1	2090	1
1819	}	2091	}
1820		2092
		2093	# used to laod the header of an original map
1821	sub load_header_orig {	2094	sub load_header_orig {
1822	my ($self) = @_;	2095	my ($self) = @_;
1823		2096
1824	$self->load_header_from ($self->load_path)	2097	$self->load_header_from ($self->load_path)
1825	}	2098	}
1826		2099
		2100	# used to laod the header of an instantiated map
1827	sub load_header_temp {	2101	sub load_header_temp {
1828	my ($self) = @_;	2102	my ($self) = @_;
1829		2103
1830	$self->load_header_from ($self->save_path)	2104	$self->load_header_from ($self->save_path)
1831	}	2105	}
1832		2106
		2107	# called after loading the header from an instantiated map
1833	sub prepare_temp {	2108	sub prepare_temp {
1834	my ($self) = @_;	2109	my ($self) = @_;
1835		2110
1836	$self->last_access ((delete $self->{last_access})	2111	$self->last_access ((delete $self->{last_access})
1837	|| $cf::RUNTIME); #d#	2112	|| $cf::RUNTIME); #d#
1838	# safety	2113	# safety
1839	$self->{instantiate_time} = $cf::RUNTIME	2114	$self->{instantiate_time} = $cf::RUNTIME
1840	if $self->{instantiate_time} > $cf::RUNTIME;	2115	if $self->{instantiate_time} > $cf::RUNTIME;
1841	}	2116	}
1842		2117
		2118	# called after loading the header from an original map
1843	sub prepare_orig {	2119	sub prepare_orig {
1844	my ($self) = @_;	2120	my ($self) = @_;
1845		2121
1846	$self->{load_original} = 1;	2122	$self->{load_original} = 1;
1847	$self->{instantiate_time} = $cf::RUNTIME;	2123	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1871		2147
1872	sub find;	2148	sub find;
1873	sub find {	2149	sub find {
1874	my ($path, $origin) = @_;	2150	my ($path, $origin) = @_;
1875		2151
		2152	cf::cede_to_tick;
		2153
1876	$path = normalise $path, $origin && $origin->path;	2154	$path = normalise $path, $origin;
1877		2155
1878	cf::lock_wait "map_data:$path";#d#remove	2156	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1879	cf::lock_wait "map_find:$path";	2157	my $guard2 = cf::lock_acquire "map_find:$path";
1880		2158
1881	$cf::MAP{$path} || do {	2159	$cf::MAP{$path} || do {
1882	my $guard1 = cf::lock_acquire "map_find:$path";
1883	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1884
1885	my $map = new_from_path cf::map $path	2160	my $map = new_from_path cf::map $path
1886	or return;	2161	or return;
1887		2162
1888	$map->{last_save} = $cf::RUNTIME;	2163	$map->{last_save} = $cf::RUNTIME;
1889		2164
…		…
1891	or return;	2166	or return;
1892		2167
1893	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2168	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1894	# doing this can freeze the server in a sync job, obviously	2169	# doing this can freeze the server in a sync job, obviously
1895	#$cf::WAIT_FOR_TICK->wait;	2170	#$cf::WAIT_FOR_TICK->wait;
		2171	undef $guard2;
1896	undef $guard1;	2172	undef $guard1;
1897	undef $guard2;
1898	$map->reset;	2173	$map->reset;
1899	return find $path;	2174	return find $path;
1900	}	2175	}
1901		2176
1902	$cf::MAP{$path} = $map	2177	$cf::MAP{$path} = $map
1903	}	2178	}
1904	}	2179	}
1905		2180
1906	sub pre_load { }	2181	sub pre_load { }
1907	sub post_load { }	2182	#sub post_load { } # XS
1908		2183
1909	sub load {	2184	sub load {
1910	my ($self) = @_;	2185	my ($self) = @_;
1911		2186
1912	local $self->{deny_reset} = 1; # loading can take a long time	2187	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1915		2190
1916	{	2191	{
1917	my $guard = cf::lock_acquire "map_data:$path";	2192	my $guard = cf::lock_acquire "map_data:$path";
1918		2193
1919	return unless $self->valid;	2194	return unless $self->valid;
1920	return unless $self->in_memory == cf::MAP_SWAPPED;	2195	return unless $self->state == cf::MAP_SWAPPED;
1921
1922	$self->in_memory (cf::MAP_LOADING);
1923		2196
1924	$self->alloc;	2197	$self->alloc;
1925		2198
1926	$self->pre_load;	2199	$self->pre_load;
1927	cf::cede_to_tick;	2200	cf::cede_to_tick;
1928		2201
		2202	if (exists $self->{load_path}) {
1929	my $f = new_from_file cf::object::thawer $self->{load_path};	2203	my $f = new_from_file cf::object::thawer $self->{load_path};
1930	$f->skip_block;	2204	$f->skip_block;
1931	$self->_load_objects ($f)	2205	$self->_load_objects ($f)
1932	or return;	2206	or return;
1933		2207
1934	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2208	$self->post_load_original
1935	if delete $self->{load_original};	2209	if delete $self->{load_original};
1936		2210
1937	if (my $uniq = $self->uniq_path) {	2211	if (my $uniq = $self->uniq_path) {
1938	utf8::encode $uniq;	2212	utf8::encode $uniq;
1939	unless (aio_stat $uniq) {	2213	unless (aio_stat $uniq) {
1940	if (my $f = new_from_file cf::object::thawer $uniq) {	2214	if (my $f = new_from_file cf::object::thawer $uniq) {
1941	$self->clear_unique_items;	2215	$self->clear_unique_items;
1942	$self->_load_objects ($f);	2216	$self->_load_objects ($f);
1943	$f->resolve_delayed_derefs;	2217	$f->resolve_delayed_derefs;
		2218	}
1944	}	2219	}
1945	}	2220	}
1946	}
1947		2221
1948	$f->resolve_delayed_derefs;	2222	$f->resolve_delayed_derefs;
		2223	} else {
		2224	$self->post_load_original
		2225	if delete $self->{load_original};
		2226	}
		2227
		2228	$self->state (cf::MAP_INACTIVE);
1949		2229
1950	cf::cede_to_tick;	2230	cf::cede_to_tick;
1951	# now do the right thing for maps	2231	# now do the right thing for maps
1952	$self->link_multipart_objects;	2232	$self->link_multipart_objects;
1953	$self->difficulty ($self->estimate_difficulty)	2233	$self->difficulty ($self->estimate_difficulty)
…		…
1957	unless ($self->{deny_activate}) {	2237	unless ($self->{deny_activate}) {
1958	$self->decay_objects;	2238	$self->decay_objects;
1959	$self->fix_auto_apply;	2239	$self->fix_auto_apply;
1960	$self->update_buttons;	2240	$self->update_buttons;
1961	cf::cede_to_tick;	2241	cf::cede_to_tick;
1962	$self->set_darkness_map;	2242	#$self->activate; # no longer activate maps automatically
1963	cf::cede_to_tick;
1964	$self->activate;
1965	}	2243	}
1966		2244
1967	$self->{last_save} = $cf::RUNTIME;	2245	$self->{last_save} = $cf::RUNTIME;
1968	$self->last_access ($cf::RUNTIME);	2246	$self->last_access ($cf::RUNTIME);
1969
1970	$self->in_memory (cf::MAP_IN_MEMORY);
1971	}	2247	}
1972		2248
1973	$self->post_load;	2249	$self->post_load;
1974	}
1975		2250
		2251	1
		2252	}
		2253
		2254	# customize the map for a given player, i.e.
		2255	# return the _real_ map. used by e.g. per-player
		2256	# maps to change the path to ~playername/mappath
1976	sub customise_for {	2257	sub customise_for {
1977	my ($self, $ob) = @_;	2258	my ($self, $ob) = @_;
1978		2259
1979	return find "~" . $ob->name . "/" . $self->{path}	2260	return find "~" . $ob->name . "/" . $self->{path}
1980	if $self->per_player;	2261	if $self->per_player;
…		…
1983	# if $self->per_party;	2264	# if $self->per_party;
1984		2265
1985	$self	2266	$self
1986	}	2267	}
1987		2268
1988	# find and load all maps in the 3x3 area around a map
1989	sub load_neighbours {
1990	my ($map) = @_;
1991
1992	my @neigh; # diagonal neighbours
1993
1994	for (0 .. 3) {
1995	my $neigh = $map->tile_path ($_)
1996	or next;
1997	$neigh = find $neigh, $map
1998	or next;
1999	$neigh->load;
2000
2001	push @neigh,
2002	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2003	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2004	}
2005
2006	for (grep defined $_->[0], @neigh) {
2007	my ($path, $origin) = @$_;
2008	my $neigh = find $path, $origin
2009	or next;
2010	$neigh->load;
2011	}
2012	}
2013
2014	sub find_sync {	2269	sub find_sync {
2015	my ($path, $origin) = @_;	2270	my ($path, $origin) = @_;
2016		2271
2017	cf::sync_job { find $path, $origin }	2272	# it's a bug to call this from the main context
		2273	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2274	if $Coro::current == $Coro::main;
		2275
		2276	find $path, $origin
2018	}	2277	}
2019		2278
2020	sub do_load_sync {	2279	sub do_load_sync {
2021	my ($map) = @_;	2280	my ($map) = @_;
2022		2281
		2282	# it's a bug to call this from the main context
2023	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2283	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2024	if $Coro::current == $Coro::main;	2284	if $Coro::current == $Coro::main;
2025		2285
2026	cf::sync_job { $map->load };	2286	$map->load;
2027	}	2287	}
2028		2288
2029	our %MAP_PREFETCH;	2289	our %MAP_PREFETCH;
2030	our $MAP_PREFETCHER = undef;	2290	our $MAP_PREFETCHER = undef;
2031		2291
2032	sub find_async {	2292	sub find_async {
2033	my ($path, $origin, $load) = @_;	2293	my ($path, $origin, $load) = @_;
2034		2294
2035	$path = normalise $path, $origin && $origin->{path};	2295	$path = normalise $path, $origin;
2036		2296
2037	if (my $map = $cf::MAP{$path}) {	2297	if (my $map = $cf::MAP{$path}) {
2038	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2298	return $map if !$load || $map->linkable;
2039	}	2299	}
2040		2300
2041	$MAP_PREFETCH{$path} |= $load;	2301	$MAP_PREFETCH{$path} |= $load;
2042		2302
2043	$MAP_PREFETCHER ||= cf::async {	2303	$MAP_PREFETCHER ||= cf::async {
…		…
2057	$MAP_PREFETCHER->prio (6);	2317	$MAP_PREFETCHER->prio (6);
2058		2318
2059	()	2319	()
2060	}	2320	}
2061		2321
		2322	# common code, used by both ->save and ->swapout
2062	sub save {	2323	sub _save {
2063	my ($self) = @_;	2324	my ($self) = @_;
2064
2065	my $lock = cf::lock_acquire "map_data:$self->{path}";
2066		2325
2067	$self->{last_save} = $cf::RUNTIME;	2326	$self->{last_save} = $cf::RUNTIME;
2068		2327
2069	return unless $self->dirty;	2328	return unless $self->dirty;
2070		2329
…		…
2079		2338
2080	cf::async {	2339	cf::async {
2081	$Coro::current->{desc} = "map player save";	2340	$Coro::current->{desc} = "map player save";
2082	$_->contr->save for $self->players;	2341	$_->contr->save for $self->players;
2083	};	2342	};
		2343
		2344	cf::get_slot 0.02;
2084		2345
2085	if ($uniq) {	2346	if ($uniq) {
2086	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2347	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2087	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2348	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2088	} else {	2349	} else {
2089	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2090	}	2351	}
2091	}	2352	}
2092		2353
		2354	sub save {
		2355	my ($self) = @_;
		2356
		2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2358
		2359	$self->_save;
		2360	}
		2361
2093	sub swap_out {	2362	sub swap_out {
2094	my ($self) = @_;	2363	my ($self) = @_;
2095		2364
2096	# save first because save cedes
2097	$self->save;
2098
2099	my $lock = cf::lock_acquire "map_data:$self->{path}";	2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
2100		2366
		2367	return if !$self->linkable;
		2368	return if $self->{deny_save};
2101	return if $self->players;	2369	return if $self->players;
2102	return if $self->in_memory != cf::MAP_IN_MEMORY;	2370
		2371	# first deactivate the map and "unlink" it from the core
		2372	$self->deactivate;
		2373	$_->clear_links_to ($self) for values %cf::MAP;
		2374	$self->state (cf::MAP_SWAPPED);
		2375
		2376	# then atomically save
		2377	$self->_save;
		2378
		2379	# then free the map
		2380	$self->clear;
		2381	}
		2382
		2383	sub reset_at {
		2384	my ($self) = @_;
		2385
		2386	# TODO: safety, remove and allow resettable per-player maps
2103	return if $self->{deny_save};	2387	return 1e99 if $self->{deny_reset};
2104		2388
		2389	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2390	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2391
		2392	$time + $to
		2393	}
		2394
		2395	sub should_reset {
		2396	my ($self) = @_;
		2397
		2398	$self->reset_at <= $cf::RUNTIME
		2399	}
		2400
		2401	sub reset {
		2402	my ($self) = @_;
		2403
		2404	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2405
		2406	return if $self->players;
		2407
		2408	cf::trace "resetting map ", $self->path, "\n";
		2409
2105	$self->in_memory (cf::MAP_SWAPPED);	2410	$self->state (cf::MAP_SWAPPED);
		2411
		2412	# need to save uniques path
		2413	unless ($self->{deny_save}) {
		2414	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2415
		2416	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2417	if $uniq;
		2418	}
		2419
		2420	delete $cf::MAP{$self->path};
2106		2421
2107	$self->deactivate;	2422	$self->deactivate;
2108	$_->clear_links_to ($self) for values %cf::MAP;	2423	$_->clear_links_to ($self) for values %cf::MAP;
2109	$self->clear;	2424	$self->clear;
2110	}
2111
2112	sub reset_at {
2113	my ($self) = @_;
2114
2115	# TODO: safety, remove and allow resettable per-player maps
2116	return 1e99 if $self->{deny_reset};
2117
2118	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2119	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2120
2121	$time + $to
2122	}
2123
2124	sub should_reset {
2125	my ($self) = @_;
2126
2127	$self->reset_at <= $cf::RUNTIME
2128	}
2129
2130	sub reset {
2131	my ($self) = @_;
2132
2133	my $lock = cf::lock_acquire "map_data:$self->{path}";
2134
2135	return if $self->players;
2136
2137	warn "resetting map ", $self->path;
2138
2139	$self->in_memory (cf::MAP_SWAPPED);
2140
2141	# need to save uniques path
2142	unless ($self->{deny_save}) {
2143	my $uniq = $self->uniq_path; utf8::encode $uniq;
2144
2145	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2146	if $uniq;
2147	}
2148
2149	delete $cf::MAP{$self->path};
2150
2151	$self->deactivate;
2152	$_->clear_links_to ($self) for values %cf::MAP;
2153	$self->clear;
2154		2425
2155	$self->unlink_save;	2426	$self->unlink_save;
2156	$self->destroy;	2427	$self->destroy;
2157	}	2428	}
2158		2429
…		…
2166		2437
2167	delete $cf::MAP{$self->path};	2438	delete $cf::MAP{$self->path};
2168		2439
2169	$self->unlink_save;	2440	$self->unlink_save;
2170		2441
2171	bless $self, "cf::map";	2442	bless $self, "cf::map::wrap";
2172	delete $self->{deny_reset};	2443	delete $self->{deny_reset};
2173	$self->{deny_save} = 1;	2444	$self->{deny_save} = 1;
2174	$self->reset_timeout (1);	2445	$self->reset_timeout (1);
2175	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2446	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2176		2447
…		…
2225		2496
2226	sub unique_maps() {	2497	sub unique_maps() {
2227	[	2498	[
2228	map {	2499	map {
2229	utf8::decode $_;	2500	utf8::decode $_;
2230	/\.map$/	2501	s/\.map$//; # TODO future compatibility hack
		2502	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2503	? ()
2231	? normalise $_	2504	: normalise $_
2232	: ()
2233	} @{ aio_readdir $UNIQUEDIR or [] }	2505	} @{ aio_readdir $UNIQUEDIR or [] }
2234	]	2506	]
2235	}	2507	}
2236		2508
2237	package cf;	2509	=item cf::map::static_maps
		2510
		2511	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2512	file in the shared directory excluding F</styles> and F</editor>). May
		2513	block.
		2514
		2515	=cut
		2516
		2517	sub static_maps() {
		2518	my @dirs = "";
		2519	my @maps;
		2520
		2521	while (@dirs) {
		2522	my $dir = shift @dirs;
		2523
		2524	next if $dir eq "/styles" || $dir eq "/editor";
		2525
		2526	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2527	or return;
		2528
		2529	for (@$files) {
		2530	s/\.map$// or next;
		2531	utf8::decode $_;
		2532	push @maps, "$dir/$_";
		2533	}
		2534
		2535	push @dirs, map "$dir/$_", @$dirs;
		2536	}
		2537
		2538	\@maps
		2539	}
2238		2540
2239	=back	2541	=back
2240		2542
2241	=head3 cf::object	2543	=head3 cf::object
2242		2544
…		…
2246		2548
2247	=over 4	2549	=over 4
2248		2550
2249	=item $ob->inv_recursive	2551	=item $ob->inv_recursive
2250		2552
2251	Returns the inventory of the object _and_ their inventories, recursively.	2553	Returns the inventory of the object I<and> their inventories, recursively,
		2554	but I<not> the object itself.
2252		2555
2253	=cut	2556	=cut
2254		2557
2255	sub inv_recursive_;	2558	sub inv_recursive_;
2256	sub inv_recursive_ {	2559	sub inv_recursive_ {
…		…
2261	inv_recursive_ inv $_[0]	2564	inv_recursive_ inv $_[0]
2262	}	2565	}
2263		2566
2264	=item $ref = $ob->ref	2567	=item $ref = $ob->ref
2265		2568
2266	creates and returns a persistent reference to an objetc that can be stored as a string.	2569	Creates and returns a persistent reference to an object that can be stored as a string.
2267		2570
2268	=item $ob = cf::object::deref ($refstring)	2571	=item $ob = cf::object::deref ($refstring)
2269		2572
2270	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2573	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2271	even if the object actually exists. May block.	2574	even if the object actually exists. May block.
…		…
2273	=cut	2576	=cut
2274		2577
2275	sub deref {	2578	sub deref {
2276	my ($ref) = @_;	2579	my ($ref) = @_;
2277		2580
2278	# temporary compatibility#TODO#remove
2279	$ref =~ s{^<}{player/<};
2280
2281	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2581	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2282	my ($uuid, $name) = ($1, $2);	2582	my ($uuid, $name) = ($1, $2);
2283	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2583	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2284	or return;	2584	or return;
2285	$pl->ob->uuid eq $uuid	2585	$pl->ob->uuid eq $uuid
2286	or return;	2586	or return;
…		…
2306	can be C<undef>. Does the right thing when the player is currently in a	2606	can be C<undef>. Does the right thing when the player is currently in a
2307	dialogue with the given NPC character.	2607	dialogue with the given NPC character.
2308		2608
2309	=cut	2609	=cut
2310		2610
		2611	our $SAY_CHANNEL = {
		2612	id => "say",
		2613	title => "Map",
		2614	reply => "say ",
		2615	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2616	};
		2617
		2618	our $CHAT_CHANNEL = {
		2619	id => "chat",
		2620	title => "Chat",
		2621	reply => "chat ",
		2622	tooltip => "Player chat and shouts, global to the server.",
		2623	};
		2624
2311	# rough implementation of a future "reply" method that works	2625	# rough implementation of a future "reply" method that works
2312	# with dialog boxes.	2626	# with dialog boxes.
2313	#TODO: the first argument must go, split into a $npc->reply_to ( method	2627	#TODO: the first argument must go, split into a $npc->reply_to ( method
2314	sub cf::object::player::reply($$$;$) {	2628	sub cf::object::player::reply($$$;$) {
2315	my ($self, $npc, $msg, $flags) = @_;	2629	my ($self, $npc, $msg, $flags) = @_;
…		…
2326	my $dialog = $pl->{npc_dialog};	2640	my $dialog = $pl->{npc_dialog};
2327	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2641	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2328		2642
2329	} else {	2643	} else {
2330	$msg = $npc->name . " says: $msg" if $npc;	2644	$msg = $npc->name . " says: $msg" if $npc;
2331	$self->message ($msg, $flags);	2645	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2332	}	2646	}
2333	}	2647	}
2334	}	2648	}
2335		2649
2336	=item $object->send_msg ($channel, $msg, $color, [extra...])	2650	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2361		2675
2362	=item $player_object->enter_link	2676	=item $player_object->enter_link
2363		2677
2364	Freezes the player and moves him/her to a special map (C<{link}>).	2678	Freezes the player and moves him/her to a special map (C<{link}>).
2365		2679
2366	The player should be reasonably safe there for short amounts of time. You	2680	The player should be reasonably safe there for short amounts of time (e.g.
2367	I<MUST> call C<leave_link> as soon as possible, though.	2681	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2682	though, as the player cannot control the character while it is on the link
		2683	map.
2368		2684
2369	Will never block.	2685	Will never block.
2370		2686
2371	=item $player_object->leave_link ($map, $x, $y)	2687	=item $player_object->leave_link ($map, $x, $y)
2372		2688
…		…
2392	sub cf::object::player::enter_link {	2708	sub cf::object::player::enter_link {
2393	my ($self) = @_;	2709	my ($self) = @_;
2394		2710
2395	$self->deactivate_recursive;	2711	$self->deactivate_recursive;
2396		2712
		2713	++$self->{_link_recursion};
		2714
2397	return if UNIVERSAL::isa $self->map, "ext::map_link";	2715	return if UNIVERSAL::isa $self->map, "ext::map_link";
2398		2716
2399	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2400	if $self->map && $self->map->{path} ne "{link}";	2718	if $self->map && $self->map->{path} ne "{link}";
2401		2719
2402	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2720	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2403	}	2721	}
2404		2722
2405	sub cf::object::player::leave_link {	2723	sub cf::object::player::leave_link {
2406	my ($self, $map, $x, $y) = @_;	2724	my ($self, $map, $x, $y) = @_;
2407		2725
…		…
2424	($x, $y) = (-1, -1)	2742	($x, $y) = (-1, -1)
2425	unless (defined $x) && (defined $y);	2743	unless (defined $x) && (defined $y);
2426		2744
2427	# use -1 or undef as default coordinates, not 0, 0	2745	# use -1 or undef as default coordinates, not 0, 0
2428	($x, $y) = ($map->enter_x, $map->enter_y)	2746	($x, $y) = ($map->enter_x, $map->enter_y)
2429	if $x <=0 && $y <= 0;	2747	if $x <= 0 && $y <= 0;
2430		2748
2431	$map->load;	2749	$map->load;
2432	$map->load_neighbours;
2433		2750
2434	return unless $self->contr->active;	2751	return unless $self->contr->active;
2435	$self->activate_recursive;
2436		2752
2437	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2753	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2438	$self->enter_map ($map, $x, $y);	2754	if ($self->enter_map ($map, $x, $y)) {
2439	}	2755	# entering was successful
		2756	delete $self->{_link_recursion};
		2757	# only activate afterwards, to support waiting in hooks
		2758	$self->activate_recursive;
		2759	}
2440		2760
		2761	}
		2762
2441	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2763	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2442		2764
2443	Moves the player to the given map-path and coordinates by first freezing	2765	Moves the player to the given map-path and coordinates by first freezing
2444	her, loading and preparing them map, calling the provided $check callback	2766	her, loading and preparing them map, calling the provided $check callback
2445	that has to return the map if sucecssful, and then unfreezes the player on	2767	that has to return the map if sucecssful, and then unfreezes the player on
2446	the new (success) or old (failed) map position. In either case, $done will	2768	the new (success) or old (failed) map position. In either case, $done will
2447	be called at the end of this process.	2769	be called at the end of this process.
2448		2770
		2771	Note that $check will be called with a potentially non-loaded map, so if
		2772	it needs a loaded map it has to call C<< ->load >>.
		2773
2449	=cut	2774	=cut
2450		2775
2451	our $GOTOGEN;	2776	our $GOTOGEN;
2452		2777
2453	sub cf::object::player::goto {	2778	sub cf::object::player::goto {
2454	my ($self, $path, $x, $y, $check, $done) = @_;	2779	my ($self, $path, $x, $y, $check, $done) = @_;
		2780
		2781	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2782	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2783	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2784	($path, $x, $y) = @$EMERGENCY_POSITION;
		2785	}
2455		2786
2456	# do generation counting so two concurrent goto's will be executed in-order	2787	# do generation counting so two concurrent goto's will be executed in-order
2457	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2788	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2458		2789
2459	$self->enter_link;	2790	$self->enter_link;
…		…
2479	($path, $x, $y) = (undef, undef, undef);	2810	($path, $x, $y) = (undef, undef, undef);
2480	}	2811	}
2481	}	2812	}
2482		2813
2483	my $map = eval {	2814	my $map = eval {
2484	my $map = defined $path ? cf::map::find $path : undef;	2815	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2485		2816
2486	if ($map) {	2817	if ($map) {
2487	$map = $map->customise_for ($self);	2818	$map = $map->customise_for ($self);
2488	$map = $check->($map) if $check && $map;	2819	$map = $check->($map, $x, $y, $self) if $check && $map;
2489	} else {	2820	} else {
2490	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2821	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2491	}	2822	}
2492		2823
2493	$map	2824	$map
…		…
2501	if ($gen == $self->{_goto_generation}) {	2832	if ($gen == $self->{_goto_generation}) {
2502	delete $self->{_goto_generation};	2833	delete $self->{_goto_generation};
2503	$self->leave_link ($map, $x, $y);	2834	$self->leave_link ($map, $x, $y);
2504	}	2835	}
2505		2836
2506	$done->() if $done;	2837	$done->($self) if $done;
2507	})->prio (1);	2838	})->prio (1);
2508	}	2839	}
2509		2840
2510	=item $player_object->enter_exit ($exit_object)	2841	=item $player_object->enter_exit ($exit_object)
2511		2842
…		…
2531	}	2862	}
2532		2863
2533	sub prepare_random_map {	2864	sub prepare_random_map {
2534	my ($exit) = @_;	2865	my ($exit) = @_;
2535		2866
2536	my $guard = cf::lock_acquire "exit_prepare:$exit";
2537
2538	# all this does is basically replace the /! path by	2867	# all this does is basically replace the /! path by
2539	# a new random map path (?random/...) with a seed	2868	# a new random map path (?random/...) with a seed
2540	# that depends on the exit object	2869	# that depends on the exit object
2541		2870
2542	my $rmp = parse_random_map_params $exit->msg;	2871	my $rmp = parse_random_map_params $exit->msg;
…		…
2544	if ($exit->map) {	2873	if ($exit->map) {
2545	$rmp->{region} = $exit->region->name;	2874	$rmp->{region} = $exit->region->name;
2546	$rmp->{origin_map} = $exit->map->path;	2875	$rmp->{origin_map} = $exit->map->path;
2547	$rmp->{origin_x} = $exit->x;	2876	$rmp->{origin_x} = $exit->x;
2548	$rmp->{origin_y} = $exit->y;	2877	$rmp->{origin_y} = $exit->y;
		2878
		2879	$exit->map->touch;
2549	}	2880	}
2550		2881
2551	$rmp->{random_seed} ||= $exit->random_seed;	2882	$rmp->{random_seed} ||= $exit->random_seed;
2552		2883
2553	my $data = cf::to_json $rmp;	2884	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2554	my $md5 = Digest::MD5::md5_hex $data;	2885	my $md5 = Digest::MD5::md5_hex $data;
2555	my $meta = "$RANDOMDIR/$md5.meta";	2886	my $meta = "$RANDOMDIR/$md5.meta";
2556		2887
2557	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2558	aio_write $fh, 0, (length $data), $data, 0;	2889	aio_write $fh, 0, (length $data), $data, 0;
2559	undef $fh;	2890	undef $fh;
2560	aio_rename "$meta~", $meta;	2891	aio_rename "$meta~", $meta;
2561		2892
		2893	my $slaying = "?random/$md5";
		2894
		2895	if ($exit->valid) {
2562	$exit->slaying ("?random/$md5");	2896	$exit->slaying ("?random/$md5");
2563	$exit->msg (undef);	2897	$exit->msg (undef);
		2898	}
2564	}	2899	}
2565	}	2900	}
2566		2901
2567	sub cf::object::player::enter_exit {	2902	sub cf::object::player::enter_exit {
2568	my ($self, $exit) = @_;	2903	my ($self, $exit) = @_;
2569		2904
2570	return unless $self->type == cf::PLAYER;	2905	return unless $self->type == cf::PLAYER;
2571		2906
2572	if ($exit->slaying eq "/!") {
2573	#TODO: this should de-fi-ni-te-ly not be a sync-job
2574	# the problem is that $exit might not survive long enough
2575	# so it needs to be done right now, right here
2576	cf::sync_job { prepare_random_map $exit };
2577	}
2578
2579	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2580	my $hp = $exit->stats->hp;
2581	my $sp = $exit->stats->sp;
2582
2583	$self->enter_link;	2907	$self->enter_link;
2584		2908
2585	# if exit is damned, update players death & WoR home-position
2586	$self->contr->savebed ($slaying, $hp, $sp)
2587	if $exit->flag (FLAG_DAMNED);
2588
2589	(async {	2909	(async {
2590	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2910	$Coro::current->{desc} = "enter_exit";
2591		2911
2592	$self->deactivate_recursive; # just to be sure
2593	unless (eval {	2912	unless (eval {
		2913	$self->deactivate_recursive; # just to be sure
		2914
		2915	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2916	my $x = $exit->stats->hp;
		2917	my $y = $exit->stats->sp;
		2918
		2919	# special map handling
		2920	my $slaying = $exit->slaying;
		2921
		2922	# special map handling
		2923	if ($slaying eq "/!") {
		2924	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2925
		2926	prepare_random_map $exit
		2927	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2928
		2929	$map = $exit->slaying;
		2930
		2931	} elsif ($slaying eq '!up') {
		2932	$map = $exit->map->tile_path (cf::TILE_UP);
		2933	$x = $exit->x;
		2934	$y = $exit->y;
		2935
		2936	} elsif ($slaying eq '!down') {
		2937	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2938	$x = $exit->x;
		2939	$y = $exit->y;
		2940	}
		2941
2594	$self->goto ($slaying, $hp, $sp);	2942	$self->goto ($map, $x, $y);
2595		2943
		2944	# if exit is damned, update players death & WoR home-position
		2945	$self->contr->savebed ($map, $x, $y)
		2946	if $exit->flag (cf::FLAG_DAMNED);
		2947
2596	1;	2948	1
2597	}) {	2949	}) {
2598	$self->message ("Something went wrong deep within the crossfire server. "	2950	$self->message ("Something went wrong deep within the deliantra server. "
2599	. "I'll try to bring you back to the map you were before. "	2951	. "I'll try to bring you back to the map you were before. "
2600	. "Please report this to the dungeon master!",	2952	. "Please report this to the dungeon master!",
2601	cf::NDI_UNIQUE | cf::NDI_RED);	2953	cf::NDI_UNIQUE | cf::NDI_RED);
2602		2954
2603	warn "ERROR in enter_exit: $@";	2955	error "ERROR in enter_exit: $@";
2604	$self->leave_link;	2956	$self->leave_link;
2605	}	2957	}
2606	})->prio (1);	2958	})->prio (1);
2607	}	2959	}
2608		2960
…		…
2620	sub cf::client::send_drawinfo {	2972	sub cf::client::send_drawinfo {
2621	my ($self, $text, $flags) = @_;	2973	my ($self, $text, $flags) = @_;
2622		2974
2623	utf8::encode $text;	2975	utf8::encode $text;
2624	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2976	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2977	}
		2978
		2979	=item $client->send_big_packet ($pkt)
		2980
		2981	Like C<send_packet>, but tries to compress large packets, and fragments
		2982	them as required.
		2983
		2984	=cut
		2985
		2986	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2987
		2988	sub cf::client::send_big_packet {
		2989	my ($self, $pkt) = @_;
		2990
		2991	# try lzf for large packets
		2992	$pkt = "lzf " . Compress::LZF::compress $pkt
		2993	if 1024 <= length $pkt and $self->{can_lzf};
		2994
		2995	# split very large packets
		2996	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2997	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2998	$pkt = "frag";
		2999	}
		3000
		3001	$self->send_packet ($pkt);
2625	}	3002	}
2626		3003
2627	=item $client->send_msg ($channel, $msg, $color, [extra...])	3004	=item $client->send_msg ($channel, $msg, $color, [extra...])
2628		3005
2629	Send a drawinfo or msg packet to the client, formatting the msg for the	3006	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2631	the message, with C<log> being the default. If C<$color> is negative, suppress	3008	the message, with C<log> being the default. If C<$color> is negative, suppress
2632	the message unless the client supports the msg packet.	3009	the message unless the client supports the msg packet.
2633		3010
2634	=cut	3011	=cut
2635		3012
		3013	# non-persistent channels (usually the info channel)
2636	our %CHANNEL = (	3014	our %CHANNEL = (
		3015	"c/motd" => {
		3016	id => "infobox",
		3017	title => "MOTD",
		3018	reply => undef,
		3019	tooltip => "The message of the day",
		3020	},
2637	"c/identify" => {	3021	"c/identify" => {
2638	id => "infobox",	3022	id => "infobox",
2639	title => "Identify",	3023	title => "Identify",
2640	reply => undef,	3024	reply => undef,
2641	tooltip => "Items recently identified",	3025	tooltip => "Items recently identified",
…		…
2644	id => "infobox",	3028	id => "infobox",
2645	title => "Examine",	3029	title => "Examine",
2646	reply => undef,	3030	reply => undef,
2647	tooltip => "Signs and other items you examined",	3031	tooltip => "Signs and other items you examined",
2648	},	3032	},
		3033	"c/shopinfo" => {
		3034	id => "infobox",
		3035	title => "Shop Info",
		3036	reply => undef,
		3037	tooltip => "What your bargaining skill tells you about the shop",
		3038	},
		3039	"c/book" => {
		3040	id => "infobox",
		3041	title => "Book",
		3042	reply => undef,
		3043	tooltip => "The contents of a note or book",
		3044	},
2649	"c/lookat" => {	3045	"c/lookat" => {
2650	id => "infobox",	3046	id => "infobox",
2651	title => "Look",	3047	title => "Look",
2652	reply => undef,	3048	reply => undef,
2653	tooltip => "What you saw there",	3049	tooltip => "What you saw there",
2654	},	3050	},
		3051	"c/who" => {
		3052	id => "infobox",
		3053	title => "Players",
		3054	reply => undef,
		3055	tooltip => "Shows players who are currently online",
		3056	},
		3057	"c/body" => {
		3058	id => "infobox",
		3059	title => "Body Parts",
		3060	reply => undef,
		3061	tooltip => "Shows which body parts you posess and are available",
		3062	},
		3063	"c/statistics" => {
		3064	id => "infobox",
		3065	title => "Statistics",
		3066	reply => undef,
		3067	tooltip => "Shows your primary statistics",
		3068	},
		3069	"c/skills" => {
		3070	id => "infobox",
		3071	title => "Skills",
		3072	reply => undef,
		3073	tooltip => "Shows your experience per skill and item power",
		3074	},
		3075	"c/shopitems" => {
		3076	id => "infobox",
		3077	title => "Shop Items",
		3078	reply => undef,
		3079	tooltip => "Shows the items currently for sale in this shop",
		3080	},
		3081	"c/resistances" => {
		3082	id => "infobox",
		3083	title => "Resistances",
		3084	reply => undef,
		3085	tooltip => "Shows your resistances",
		3086	},
		3087	"c/pets" => {
		3088	id => "infobox",
		3089	title => "Pets",
		3090	reply => undef,
		3091	tooltip => "Shows information abotu your pets/a specific pet",
		3092	},
		3093	"c/perceiveself" => {
		3094	id => "infobox",
		3095	title => "Perceive Self",
		3096	reply => undef,
		3097	tooltip => "You gained detailed knowledge about yourself",
		3098	},
		3099	"c/uptime" => {
		3100	id => "infobox",
		3101	title => "Uptime",
		3102	reply => undef,
		3103	tooltip => "How long the server has been running since last restart",
		3104	},
		3105	"c/mapinfo" => {
		3106	id => "infobox",
		3107	title => "Map Info",
		3108	reply => undef,
		3109	tooltip => "Information related to the maps",
		3110	},
		3111	"c/party" => {
		3112	id => "party",
		3113	title => "Party",
		3114	reply => "gsay ",
		3115	tooltip => "Messages and chat related to your party",
		3116	},
		3117	"c/death" => {
		3118	id => "death",
		3119	title => "Death",
		3120	reply => undef,
		3121	tooltip => "Reason for and more info about your most recent death",
		3122	},
		3123	"c/say" => $SAY_CHANNEL,
		3124	"c/chat" => $CHAT_CHANNEL,
2655	);	3125	);
2656		3126
2657	sub cf::client::send_msg {	3127	sub cf::client::send_msg {
2658	my ($self, $channel, $msg, $color, @extra) = @_;	3128	my ($self, $channel, $msg, $color, @extra) = @_;
2659		3129
2660	$msg = $self->pl->expand_cfpod ($msg);	3130	$msg = $self->pl->expand_cfpod ($msg)
		3131	unless $color & cf::NDI_VERBATIM;
2661		3132
2662	$color &= cf::NDI_CLIENT_MASK; # just in case...	3133	$color &= cf::NDI_CLIENT_MASK; # just in case...
2663		3134
2664	# check predefined channels, for the benefit of C	3135	# check predefined channels, for the benefit of C
2665	if ($CHANNEL{$channel}) {	3136	if ($CHANNEL{$channel}) {
2666	$channel = $CHANNEL{$channel};	3137	$channel = $CHANNEL{$channel};
2667		3138
2668	$self->ext_msg (channel_info => $channel)	3139	$self->ext_msg (channel_info => $channel);
2669	if $self->can_msg;
2670
2671	$channel = $channel->{id};	3140	$channel = $channel->{id};
2672		3141
2673	} elsif (ref $channel) {	3142	} elsif (ref $channel) {
2674	# send meta info to client, if not yet sent	3143	# send meta info to client, if not yet sent
2675	unless (exists $self->{channel}{$channel->{id}}) {	3144	unless (exists $self->{channel}{$channel->{id}}) {
2676	$self->{channel}{$channel->{id}} = $channel;	3145	$self->{channel}{$channel->{id}} = $channel;
2677	$self->ext_msg (channel_info => $channel)	3146	$self->ext_msg (channel_info => $channel);
2678	if $self->can_msg;
2679	}	3147	}
2680		3148
2681	$channel = $channel->{id};	3149	$channel = $channel->{id};
2682	}	3150	}
2683		3151
2684	return unless @extra || length $msg;	3152	return unless @extra || length $msg;
2685		3153
2686	if ($self->can_msg) {
2687	# default colour, mask it out	3154	# default colour, mask it out
2688	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3155	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2689	if $color & cf::NDI_DEF;	3156	if $color & cf::NDI_DEF;
2690		3157
2691	$self->send_packet ("msg " . $self->{json_coder}->encode (	3158	my $pkt = "msg "
		3159	. $self->{json_coder}->encode (
2692	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3160	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2693	} else {	3161	);
2694	if ($color >= 0) {
2695	# replace some tags by gcfclient-compatible ones
2696	for ($msg) {
2697	1 while
2698	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2699	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2700	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2701	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2702	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2703	}
2704		3162
2705	$color &= cf::NDI_COLOR_MASK;	3163	$self->send_big_packet ($pkt);
2706
2707	utf8::encode $msg;
2708
2709	if (0 && $msg =~ /\[/) {
2710	# COMMAND/INFO
2711	$self->send_packet ("drawextinfo $color 10 8 $msg")
2712	} else {
2713	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2714	$self->send_packet ("drawinfo $color $msg")
2715	}
2716	}
2717	}
2718	}	3164	}
2719		3165
2720	=item $client->ext_msg ($type, @msg)	3166	=item $client->ext_msg ($type, @msg)
2721		3167
2722	Sends an ext event to the client.	3168	Sends an ext event to the client.
…		…
2725		3171
2726	sub cf::client::ext_msg($$@) {	3172	sub cf::client::ext_msg($$@) {
2727	my ($self, $type, @msg) = @_;	3173	my ($self, $type, @msg) = @_;
2728		3174
2729	if ($self->extcmd == 2) {	3175	if ($self->extcmd == 2) {
2730	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3176	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2731	} elsif ($self->extcmd == 1) { # TODO: remove	3177	} elsif ($self->extcmd == 1) { # TODO: remove
2732	push @msg, msgtype => "event_$type";	3178	push @msg, msgtype => "event_$type";
2733	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2734	}	3180	}
2735	}	3181	}
2736		3182
2737	=item $client->ext_reply ($msgid, @msg)	3183	=item $client->ext_reply ($msgid, @msg)
2738		3184
…		…
2741	=cut	3187	=cut
2742		3188
2743	sub cf::client::ext_reply($$@) {	3189	sub cf::client::ext_reply($$@) {
2744	my ($self, $id, @msg) = @_;	3190	my ($self, $id, @msg) = @_;
2745		3191
2746	if ($self->extcmd == 2) {	3192	return unless $self->extcmd == 2;
		3193
2747	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3194	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2748	} elsif ($self->extcmd == 1) {
2749	#TODO: version 1, remove
2750	unshift @msg, msgtype => "reply", msgid => $id;
2751	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2752	}
2753	}	3195	}
2754		3196
2755	=item $success = $client->query ($flags, "text", \&cb)	3197	=item $success = $client->query ($flags, "text", \&cb)
2756		3198
2757	Queues a query to the client, calling the given callback with	3199	Queues a query to the client, calling the given callback with
…		…
2812	my ($ns, $buf) = @_;	3254	my ($ns, $buf) = @_;
2813		3255
2814	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3256	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2815		3257
2816	if (ref $msg) {	3258	if (ref $msg) {
2817	my ($type, $reply, @payload) =	3259	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2818	"ARRAY" eq ref $msg
2819	? @$msg
2820	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2821		3260
2822	my @reply;	3261	my @reply;
2823		3262
2824	if (my $cb = $EXTICMD{$type}) {	3263	if (my $cb = $EXTICMD{$type}) {
2825	@reply = $cb->($ns, @payload);	3264	@reply = $cb->($ns, @payload);
…		…
2827		3266
2828	$ns->ext_reply ($reply, @reply)	3267	$ns->ext_reply ($reply, @reply)
2829	if $reply;	3268	if $reply;
2830		3269
2831	} else {	3270	} else {
2832	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3271	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2833	}	3272	}
2834		3273
2835	cf::override;	3274	cf::override;
2836	},	3275	},
2837	);	3276	);
…		…
2857		3296
2858	$coro	3297	$coro
2859	}	3298	}
2860		3299
2861	cf::client->attach (	3300	cf::client->attach (
2862	on_destroy => sub {	3301	on_client_destroy => sub {
2863	my ($ns) = @_;	3302	my ($ns) = @_;
2864		3303
2865	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3304	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2866	},	3305	},
2867	);	3306	);
…		…
2883	our $safe_hole = new Safe::Hole;	3322	our $safe_hole = new Safe::Hole;
2884		3323
2885	$SIG{FPE} = 'IGNORE';	3324	$SIG{FPE} = 'IGNORE';
2886		3325
2887	$safe->permit_only (Opcode::opset qw(	3326	$safe->permit_only (Opcode::opset qw(
2888	:base_core :base_mem :base_orig :base_math	3327	:base_core :base_mem :base_orig :base_math :base_loop
2889	grepstart grepwhile mapstart mapwhile	3328	grepstart grepwhile mapstart mapwhile
2890	sort time	3329	sort time
2891	));	3330	));
2892		3331
2893	# here we export the classes and methods available to script code	3332	# here we export the classes and methods available to script code
…		…
2895	=pod	3334	=pod
2896		3335
2897	The following functions and methods are available within a safe environment:	3336	The following functions and methods are available within a safe environment:
2898		3337
2899	cf::object	3338	cf::object
2900	contr pay_amount pay_player map x y force_find force_add	3339	contr pay_amount pay_player map x y force_find force_add destroy
2901	insert remove name archname title slaying race decrease_ob_nr	3340	insert remove name archname title slaying race decrease split
		3341	value
2902		3342
2903	cf::object::player	3343	cf::object::player
2904	player	3344	player
2905		3345
2906	cf::player	3346	cf::player
…		…
2911		3351
2912	=cut	3352	=cut
2913		3353
2914	for (	3354	for (
2915	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3355	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2916	insert remove inv name archname title slaying race	3356	insert remove inv nrof name archname title slaying race
2917	decrease_ob_nr)],	3357	decrease split destroy change_exp value msg lore send_msg)],
2918	["cf::object::player" => qw(player)],	3358	["cf::object::player" => qw(player)],
2919	["cf::player" => qw(peaceful)],	3359	["cf::player" => qw(peaceful send_msg)],
2920	["cf::map" => qw(trigger)],	3360	["cf::map" => qw(trigger)],
2921	) {	3361	) {
2922	no strict 'refs';
2923	my ($pkg, @funs) = @$_;	3362	my ($pkg, @funs) = @$_;
2924	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3363	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2925	for @funs;	3364	for @funs;
2926	}	3365	}
2927		3366
…		…
2942		3381
2943	my $qcode = $code;	3382	my $qcode = $code;
2944	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3383	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2945	$qcode =~ s/\n/\\n/g;	3384	$qcode =~ s/\n/\\n/g;
2946		3385
		3386	%vars = (_dummy => 0) unless %vars;
		3387
		3388	my @res;
2947	local $_;	3389	local $_;
2948	local @safe::cf::_safe_eval_args = values %vars;
2949		3390
2950	my $eval =	3391	my $eval =
2951	"do {\n"	3392	"do {\n"
2952	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3393	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2953	. "#line 0 \"{$qcode}\"\n"	3394	. "#line 0 \"{$qcode}\"\n"
2954	. $code	3395	. $code
2955	. "\n}"	3396	. "\n}"
2956	;	3397	;
2957		3398
		3399	if ($CFG{safe_eval}) {
2958	sub_generation_inc;	3400	sub_generation_inc;
		3401	local @safe::cf::_safe_eval_args = values %vars;
2959	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3402	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2960	sub_generation_inc;	3403	sub_generation_inc;
		3404	} else {
		3405	local @cf::_safe_eval_args = values %vars;
		3406	@res = wantarray ? eval eval : scalar eval $eval;
		3407	}
2961		3408
2962	if ($@) {	3409	if ($@) {
2963	warn "$@";	3410	warn "$@",
2964	warn "while executing safe code '$code'\n";	3411	"while executing safe code '$code'\n",
2965	warn "with arguments " . (join " ", %vars) . "\n";	3412	"with arguments " . (join " ", %vars) . "\n";
2966	}	3413	}
2967		3414
2968	wantarray ? @res : $res[0]	3415	wantarray ? @res : $res[0]
2969	}	3416	}
2970		3417
…		…
2984	=cut	3431	=cut
2985		3432
2986	sub register_script_function {	3433	sub register_script_function {
2987	my ($fun, $cb) = @_;	3434	my ($fun, $cb) = @_;
2988		3435
2989	no strict 'refs';	3436	$fun = "safe::$fun" if $CFG{safe_eval};
2990	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3437	*$fun = $safe_hole->wrap ($cb);
2991	}	3438	}
2992		3439
2993	=back	3440	=back
2994		3441
2995	=cut	3442	=cut
…		…
3004	# for this (global event?)	3451	# for this (global event?)
3005	%ext::player_env::MUSIC_FACE_CACHE = ();	3452	%ext::player_env::MUSIC_FACE_CACHE = ();
3006		3453
3007	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3454	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3008		3455
3009	warn "loading facedata from $path\n";	3456	trace "loading facedata from $path\n";
3010		3457
3011	my $facedata;	3458	my $facedata = decode_storable load_file $path;
3012	0 < aio_load $path, $facedata
3013	or die "$path: $!";
3014
3015	$facedata = Coro::Storable::thaw $facedata;
3016		3459
3017	$facedata->{version} == 2	3460	$facedata->{version} == 2
3018	or cf::cleanup "$path: version mismatch, cannot proceed.";	3461	or cf::cleanup "$path: version mismatch, cannot proceed.";
3019		3462
3020	# patch in the exptable	3463	# patch in the exptable
		3464	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3021	$facedata->{resource}{"res/exp_table"} = {	3465	$facedata->{resource}{"res/exp_table"} = {
3022	type => FT_RSRC,	3466	type => FT_RSRC,
3023	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3467	data => $exp_table,
		3468	hash => (Digest::MD5::md5 $exp_table),
3024	};	3469	};
3025	cf::cede_to_tick;	3470	cf::cede_to_tick;
3026		3471
3027	{	3472	{
3028	my $faces = $facedata->{faceinfo};	3473	my $faces = $facedata->{faceinfo};
3029		3474
3030	while (my ($face, $info) = each %$faces) {	3475	while (my ($face, $info) = each %$faces) {
3031	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3476	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3477
3032	cf::face::set_visibility $idx, $info->{visibility};	3478	cf::face::set_visibility $idx, $info->{visibility};
3033	cf::face::set_magicmap $idx, $info->{magicmap};	3479	cf::face::set_magicmap $idx, $info->{magicmap};
3034	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3480	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3035	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3481	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3482	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3036		3483
3037	cf::cede_to_tick;	3484	cf::cede_to_tick;
3038	}	3485	}
3039		3486
3040	while (my ($face, $info) = each %$faces) {	3487	while (my ($face, $info) = each %$faces) {
3041	next unless $info->{smooth};	3488	next unless $info->{smooth};
		3489
3042	my $idx = cf::face::find $face	3490	my $idx = cf::face::find $face
3043	or next;	3491	or next;
		3492
3044	if (my $smooth = cf::face::find $info->{smooth}) {	3493	if (my $smooth = cf::face::find $info->{smooth}) {
3045	cf::face::set_smooth $idx, $smooth;	3494	cf::face::set_smooth $idx, $smooth;
3046	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3495	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3047	} else {	3496	} else {
3048	warn "smooth face '$info->{smooth}' not found for face '$face'";	3497	error "smooth face '$info->{smooth}' not found for face '$face'";
3049	}	3498	}
3050		3499
3051	cf::cede_to_tick;	3500	cf::cede_to_tick;
3052	}	3501	}
3053	}	3502	}
…		…
3062		3511
3063	cf::anim::invalidate_all; # d'oh	3512	cf::anim::invalidate_all; # d'oh
3064	}	3513	}
3065		3514
3066	{	3515	{
3067	# TODO: for gcfclient pleasure, we should give resources
3068	# that gcfclient doesn't grok a >10000 face index.
3069	my $res = $facedata->{resource};	3516	my $res = $facedata->{resource};
3070		3517
3071	my $soundconf = delete $res->{"res/sound.conf"};
3072
3073	while (my ($name, $info) = each %$res) {	3518	while (my ($name, $info) = each %$res) {
		3519	if (defined (my $type = delete $info->{type})) {
		3520	# TODO: different hash - must free and use new index, or cache ixface data queue
3074	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3521	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3075	my $data;
3076		3522
3077	if ($info->{type} & 1) {	3523	cf::face::set_data $idx, 0, delete $info->{data}, delete $info->{hash};
3078	# prepend meta info	3524	cf::face::set_type $idx, $type;
3079		3525	cf::face::set_meta $idx, (keys %$info && (~$type & 1)) ? $info : undef; # any keys left are stashed into meta unless prepended
3080	my $meta = $enc->encode ({
3081	name => $name,
3082	%{ $info->{meta} || {} },
3083	});
3084
3085	$data = pack "(w/a*)*", $meta, $info->{data};
3086	} else {	3526	} else {
3087	$data = $info->{data};	3527	# $RESOURCE{$name} = $info; # unused
3088	}	3528	}
3089		3529
3090	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3091	cf::face::set_type $idx, $info->{type};
3092
3093	cf::cede_to_tick;	3530	cf::cede_to_tick;
3094	}	3531	}
3095
3096	if ($soundconf) {
3097	$soundconf = $enc->decode (delete $soundconf->{data});
3098
3099	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3100	my $sound = $soundconf->{compat}[$_]
3101	or next;
3102
3103	my $face = cf::face::find "sound/$sound->[1]";
3104	cf::sound::set $sound->[0] => $face;
3105	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3106	}
3107
3108	while (my ($k, $v) = each %{$soundconf->{event}}) {
3109	my $face = cf::face::find "sound/$v";
3110	cf::sound::set $k => $face;
3111	}
3112	}
3113	}	3532	}
		3533
		3534	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3114		3535
3115	1	3536	1
3116	}	3537	}
3117		3538
3118	register_exticmd fx_want => sub {	3539	register_exticmd fx_want => sub {
…		…
3120		3541
3121	while (my ($k, $v) = each %$want) {	3542	while (my ($k, $v) = each %$want) {
3122	$ns->fx_want ($k, $v);	3543	$ns->fx_want ($k, $v);
3123	}	3544	}
3124	};	3545	};
		3546
		3547	sub load_resource_file($) {
		3548	my $guard = lock_acquire "load_resource_file";
		3549
		3550	my $status = load_resource_file_ $_[0];
		3551	get_slot 0.1, 100;
		3552	cf::arch::commit_load;
		3553
		3554	$status
		3555	}
3125		3556
3126	sub reload_regions {	3557	sub reload_regions {
3127	# HACK to clear player env face cache, we need some signal framework	3558	# HACK to clear player env face cache, we need some signal framework
3128	# for this (global event?)	3559	# for this (global event?)
3129	%ext::player_env::MUSIC_FACE_CACHE = ();	3560	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3143	}	3574	}
3144		3575
3145	sub reload_archetypes {	3576	sub reload_archetypes {
3146	load_resource_file "$DATADIR/archetypes"	3577	load_resource_file "$DATADIR/archetypes"
3147	or die "unable to load archetypes\n";	3578	or die "unable to load archetypes\n";
3148	#d# NEED to laod twice to resolve forward references
3149	# this really needs to be done in an extra post-pass
3150	# (which needs to be synchronous, so solve it differently)
3151	load_resource_file "$DATADIR/archetypes"
3152	or die "unable to load archetypes\n";
3153	}	3579	}
3154		3580
3155	sub reload_treasures {	3581	sub reload_treasures {
3156	load_resource_file "$DATADIR/treasures"	3582	load_resource_file "$DATADIR/treasures"
3157	or die "unable to load treasurelists\n";	3583	or die "unable to load treasurelists\n";
3158	}	3584	}
3159		3585
		3586	sub reload_sound {
		3587	trace "loading sound config from $DATADIR/sound\n";
		3588
		3589	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3590
		3591	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3592	my $sound = $soundconf->{compat}[$_]
		3593	or next;
		3594
		3595	my $face = cf::face::find "sound/$sound->[1]";
		3596	cf::sound::set $sound->[0] => $face;
		3597	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3598	}
		3599
		3600	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3601	my $face = cf::face::find "sound/$v";
		3602	cf::sound::set $k => $face;
		3603	}
		3604	}
		3605
3160	sub reload_resources {	3606	sub reload_resources {
3161	warn "reloading resource files...\n";	3607	trace "reloading resource files...\n";
3162		3608
		3609	reload_exp_table;
		3610	reload_materials;
		3611	reload_facedata;
		3612	reload_sound;
		3613	reload_archetypes;
3163	reload_regions;	3614	reload_regions;
3164	reload_facedata;
3165	#reload_archetypes;#d#
3166	reload_archetypes;
3167	reload_treasures;	3615	reload_treasures;
3168		3616
3169	warn "finished reloading resource files\n";	3617	trace "finished reloading resource files\n";
3170	}
3171
3172	sub init {
3173	reload_resources;
3174	}	3618	}
3175		3619
3176	sub reload_config {	3620	sub reload_config {
3177	open my $fh, "<:utf8", "$CONFDIR/config"	3621	trace "reloading config file...\n";
3178	or return;
3179		3622
3180	local $/;	3623	my $config = load_file "$CONFDIR/config";
3181	*CFG = YAML::Syck::Load <$fh>;	3624	utf8::decode $config;
		3625	*CFG = decode_yaml $config;
3182		3626
3183	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3627	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3184		3628
3185	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3629	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3186	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3630	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3187		3631
3188	if (exists $CFG{mlockall}) {	3632	if (exists $CFG{mlockall}) {
…		…
3192	};	3636	};
3193	warn $@ if $@;	3637	warn $@ if $@;
3194	}	3638	}
3195	}	3639	}
3196		3640
		3641	sub pidfile() {
		3642	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3643	or die "$PIDFILE: $!";
		3644	flock $fh, &Fcntl::LOCK_EX
		3645	or die "$PIDFILE: flock: $!";
		3646	$fh
		3647	}
		3648
		3649	# make sure only one server instance is running at any one time
		3650	sub atomic {
		3651	my $fh = pidfile;
		3652
		3653	my $pid = <$fh>;
		3654	kill 9, $pid if $pid > 0;
		3655
		3656	seek $fh, 0, 0;
		3657	print $fh $$;
		3658	}
		3659
		3660	sub main_loop {
		3661	trace "EV::loop starting\n";
		3662	if (1) {
		3663	EV::loop;
		3664	}
		3665	trace "EV::loop returned\n";
		3666	goto &main_loop unless $REALLY_UNLOOP;
		3667	}
		3668
3197	sub main {	3669	sub main {
		3670	cf::init_globals; # initialise logging
		3671
		3672	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3673	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3674	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3675	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3676
		3677	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3678
3198	# we must not ever block the main coroutine	3679	# we must not ever block the main coroutine
3199	local $Coro::idle = sub {	3680	local $Coro::idle = sub {
3200	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3681	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3201	(async {	3682	(async {
3202	$Coro::current->{desc} = "IDLE BUG HANDLER";	3683	$Coro::current->{desc} = "IDLE BUG HANDLER";
3203	Event::one_event;	3684	EV::loop EV::LOOP_ONESHOT;
3204	})->prio (Coro::PRIO_MAX);	3685	})->prio (Coro::PRIO_MAX);
3205	};	3686	};
3206		3687
		3688	evthread_start IO::AIO::poll_fileno;
		3689
		3690	cf::sync_job {
		3691	cf::incloader::init ();
		3692
		3693	cf::init_anim;
		3694	cf::init_attackmess;
		3695	cf::init_dynamic;
		3696
		3697	cf::load_settings;
		3698
		3699	reload_resources;
3207	reload_config;	3700	reload_config;
3208	db_init;	3701	db_init;
		3702
		3703	cf::init_uuid;
		3704	cf::init_signals;
		3705	cf::init_skills;
		3706
		3707	cf::init_beforeplay;
		3708
		3709	atomic;
		3710
3209	load_extensions;	3711	load_extensions;
3210		3712
3211	$TICK_WATCHER->start;	3713	utime time, time, $RUNTIMEFILE;
3212	Event::loop;	3714
		3715	# no (long-running) fork's whatsoever before this point(!)
		3716	use POSIX ();
		3717	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3718
		3719	cf::_post_init 0;
		3720	};
		3721
		3722	cf::object::thawer::errors_are_fatal 0;
		3723	info "parse errors in files are no longer fatal from this point on.\n";
		3724
		3725	AE::postpone {
		3726	undef &main; # free gobs of memory :)
		3727	};
		3728
		3729	goto &main_loop;
3213	}	3730	}
3214		3731
3215	#############################################################################	3732	#############################################################################
3216	# initialisation and cleanup	3733	# initialisation and cleanup
3217		3734
3218	# install some emergency cleanup handlers	3735	# install some emergency cleanup handlers
3219	BEGIN {	3736	BEGIN {
		3737	our %SIGWATCHER = ();
3220	for my $signal (qw(INT HUP TERM)) {	3738	for my $signal (qw(INT HUP TERM)) {
3221	Event->signal (	3739	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3222	reentrant => 0,
3223	data => WF_AUTOCANCEL,
3224	signal => $signal,
3225	prio => 0,
3226	cb => sub {
3227	cf::cleanup "SIG$signal";	3740	cf::cleanup "SIG$signal";
3228	},
3229	);	3741	};
3230	}	3742	}
3231	}	3743	}
3232		3744
3233	sub write_runtime {	3745	sub write_runtime_sync {
3234	my $runtime = "$LOCALDIR/runtime";	3746	my $t0 = AE::time;
3235		3747
3236	# first touch the runtime file to show we are still running:	3748	# first touch the runtime file to show we are still running:
3237	# the fsync below can take a very very long time.	3749	# the fsync below can take a very very long time.
3238		3750
3239	IO::AIO::aio_utime $runtime, undef, undef;	3751	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3240		3752
3241	my $guard = cf::lock_acquire "write_runtime";	3753	my $guard = cf::lock_acquire "write_runtime";
3242		3754
3243	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3755	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3244	or return;	3756	or return;
3245		3757
3246	my $value = $cf::RUNTIME + 90 + 10;	3758	my $value = $cf::RUNTIME + 90 + 10;
3247	# 10 is the runtime save interval, for a monotonic clock	3759	# 10 is the runtime save interval, for a monotonic clock
3248	# 60 allows for the watchdog to kill the server.	3760	# 60 allows for the watchdog to kill the server.
…		…
3258	aio_utime $fh, undef, undef;	3770	aio_utime $fh, undef, undef;
3259		3771
3260	close $fh	3772	close $fh
3261	or return;	3773	or return;
3262		3774
3263	aio_rename "$runtime~", $runtime	3775	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3264	and return;	3776	and return;
3265		3777
3266	warn "runtime file written.\n";	3778	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3267		3779
3268	1	3780	1
		3781	}
		3782
		3783	our $uuid_lock;
		3784	our $uuid_skip;
		3785
		3786	sub write_uuid_sync($) {
		3787	$uuid_skip ||= $_[0];
		3788
		3789	return if $uuid_lock;
		3790	local $uuid_lock = 1;
		3791
		3792	my $uuid = "$LOCALDIR/uuid";
		3793
		3794	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3795	or return;
		3796
		3797	my $value = uuid_seq uuid_cur;
		3798
		3799	unless ($value) {
		3800	info "cowardly refusing to write zero uuid value!\n";
		3801	return;
		3802	}
		3803
		3804	my $value = uuid_str $value + $uuid_skip;
		3805	$uuid_skip = 0;
		3806
		3807	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3808	and return;
		3809
		3810	# always fsync - this file is important
		3811	aio_fsync $fh
		3812	and return;
		3813
		3814	close $fh
		3815	or return;
		3816
		3817	aio_rename "$uuid~", $uuid
		3818	and return;
		3819
		3820	trace "uuid file written ($value).\n";
		3821
		3822	1
		3823
		3824	}
		3825
		3826	sub write_uuid($$) {
		3827	my ($skip, $sync) = @_;
		3828
		3829	$sync ? write_uuid_sync $skip
		3830	: async { write_uuid_sync $skip };
3269	}	3831	}
3270		3832
3271	sub emergency_save() {	3833	sub emergency_save() {
3272	my $freeze_guard = cf::freeze_mainloop;	3834	my $freeze_guard = cf::freeze_mainloop;
3273		3835
3274	warn "enter emergency perl save\n";	3836	info "emergency_perl_save: enter\n";
		3837
		3838	# this is a trade-off: we want to be very quick here, so
		3839	# save all maps without fsync, and later call a global sync
		3840	# (which in turn might be very very slow)
		3841	local $USE_FSYNC = 0;
3275		3842
3276	cf::sync_job {	3843	cf::sync_job {
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
3277	# use a peculiar iteration method to avoid tripping on perl	3846	# use a peculiar iteration method to avoid tripping on perl
3278	# refcount bugs in for. also avoids problems with players	3847	# refcount bugs in for. also avoids problems with players
3279	# and maps saved/destroyed asynchronously.	3848	# and maps saved/destroyed asynchronously.
3280	warn "begin emergency player save\n";	3849	info "emergency_perl_save: begin player save\n";
3281	for my $login (keys %cf::PLAYER) {	3850	for my $login (keys %cf::PLAYER) {
3282	my $pl = $cf::PLAYER{$login} or next;	3851	my $pl = $cf::PLAYER{$login} or next;
3283	$pl->valid or next;	3852	$pl->valid or next;
		3853	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3284	$pl->save;	3854	$pl->save;
3285	}	3855	}
3286	warn "end emergency player save\n";	3856	info "emergency_perl_save: end player save\n";
3287		3857
3288	warn "begin emergency map save\n";	3858	cf::write_runtime_sync; # external watchdog should not bark
		3859
		3860	info "emergency_perl_save: begin map save\n";
3289	for my $path (keys %cf::MAP) {	3861	for my $path (keys %cf::MAP) {
3290	my $map = $cf::MAP{$path} or next;	3862	my $map = $cf::MAP{$path} or next;
3291	$map->valid or next;	3863	$map->valid or next;
3292	$map->save;	3864	$map->save;
3293	}	3865	}
3294	warn "end emergency map save\n";	3866	info "emergency_perl_save: end map save\n";
3295		3867
3296	warn "begin emergency database checkpoint\n";	3868	cf::write_runtime_sync; # external watchdog should not bark
		3869
		3870	info "emergency_perl_save: begin database checkpoint\n";
3297	BDB::db_env_txn_checkpoint $DB_ENV;	3871	BDB::db_env_txn_checkpoint $DB_ENV;
3298	warn "end emergency database checkpoint\n";	3872	info "emergency_perl_save: end database checkpoint\n";
		3873
		3874	info "emergency_perl_save: begin write uuid\n";
		3875	write_uuid_sync 1;
		3876	info "emergency_perl_save: end write uuid\n";
		3877
		3878	cf::write_runtime_sync; # external watchdog should not bark
		3879
		3880	trace "emergency_perl_save: syncing database to disk";
		3881	BDB::db_env_txn_checkpoint $DB_ENV;
		3882
		3883	info "emergency_perl_save: starting sync\n";
		3884	IO::AIO::aio_sync sub {
		3885	info "emergency_perl_save: finished sync\n";
		3886	};
		3887
		3888	cf::write_runtime_sync; # external watchdog should not bark
		3889
		3890	trace "emergency_perl_save: flushing outstanding aio requests";
		3891	while (IO::AIO::nreqs || BDB::nreqs) {
		3892	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3893	}
		3894
		3895	cf::write_runtime_sync; # external watchdog should not bark
3299	};	3896	};
3300		3897
3301	warn "leave emergency perl save\n";	3898	info "emergency_perl_save: leave\n";
3302	}	3899	}
3303		3900
3304	sub post_cleanup {	3901	sub post_cleanup {
3305	my ($make_core) = @_;	3902	my ($make_core) = @_;
3306		3903
		3904	IO::AIO::flush;
		3905
3307	warn Carp::longmess "post_cleanup backtrace"	3906	error Carp::longmess "post_cleanup backtrace"
3308	if $make_core;	3907	if $make_core;
		3908
		3909	my $fh = pidfile;
		3910	unlink $PIDFILE if <$fh> == $$;
		3911	}
		3912
		3913	# a safer delete_package, copied from Symbol
		3914	sub clear_package($) {
		3915	my $pkg = shift;
		3916
		3917	# expand to full symbol table name if needed
		3918	unless ($pkg =~ /^main::.*::$/) {
		3919	$pkg = "main$pkg" if $pkg =~ /^::/;
		3920	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3921	$pkg .= '::' unless $pkg =~ /::$/;
		3922	}
		3923
		3924	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3925	my $stem_symtab = *{$stem}{HASH};
		3926
		3927	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3928	or return;
		3929
		3930	# clear all symbols
		3931	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3932	for my $name (keys %$leaf_symtab) {
		3933	_gv_clear *{"$pkg$name"};
		3934	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3935	}
3309	}	3936	}
3310		3937
3311	sub do_reload_perl() {	3938	sub do_reload_perl() {
3312	# can/must only be called in main	3939	# can/must only be called in main
3313	if ($Coro::current != $Coro::main) {	3940	unless (in_main) {
3314	warn "can only reload from main coroutine";	3941	error "can only reload from main coroutine";
3315	return;	3942	return;
3316	}	3943	}
3317		3944
3318	warn "reloading...";	3945	return if $RELOAD++;
3319		3946
3320	warn "entering sync_job";	3947	my $t1 = AE::time;
3321		3948
		3949	while ($RELOAD) {
		3950	cf::get_slot 0.1, -1, "reload_perl";
		3951	info "perl_reload: reloading...";
		3952
		3953	trace "perl_reload: entering sync_job";
		3954
3322	cf::sync_job {	3955	cf::sync_job {
3323	cf::write_runtime; # external watchdog should not bark
3324	cf::emergency_save;	3956	#cf::emergency_save;
3325	cf::write_runtime; # external watchdog should not bark
3326		3957
3327	warn "syncing database to disk";
3328	BDB::db_env_txn_checkpoint $DB_ENV;
3329
3330	# if anything goes wrong in here, we should simply crash as we already saved
3331
3332	warn "cancelling all WF_AUTOCANCEL watchers";
3333	for (Event::all_watchers) {
3334	$_->cancel if $_->data & WF_AUTOCANCEL;
3335	}
3336
3337	warn "flushing outstanding aio requests";
3338	for (;;) {
3339	BDB::flush;
3340	IO::AIO::flush;
3341	Coro::cede;
3342	last unless IO::AIO::nreqs || BDB::nreqs;
3343	warn "iterate...";
3344	}
3345
3346	++$RELOAD;
3347
3348	warn "cancelling all extension coros";	3958	trace "perl_reload: cancelling all extension coros";
3349	$_->cancel for values %EXT_CORO;	3959	$_->cancel for values %EXT_CORO;
3350	%EXT_CORO = ();	3960	%EXT_CORO = ();
3351		3961
3352	warn "removing commands";	3962	trace "perl_reload: removing commands";
3353	%COMMAND = ();	3963	%COMMAND = ();
3354		3964
3355	warn "removing ext/exti commands";	3965	trace "perl_reload: removing ext/exti commands";
3356	%EXTCMD = ();	3966	%EXTCMD = ();
3357	%EXTICMD = ();	3967	%EXTICMD = ();
3358		3968
3359	warn "unloading/nuking all extensions";	3969	trace "perl_reload: unloading/nuking all extensions";
3360	for my $pkg (@EXTS) {	3970	for my $pkg (@EXTS) {
3361	warn "... unloading $pkg";	3971	trace "... unloading $pkg";
3362		3972
3363	if (my $cb = $pkg->can ("unload")) {	3973	if (my $cb = $pkg->can ("unload")) {
3364	eval {	3974	eval {
3365	$cb->($pkg);	3975	$cb->($pkg);
3366	1	3976	1
3367	} or warn "$pkg unloaded, but with errors: $@";	3977	} or error "$pkg unloaded, but with errors: $@";
		3978	}
		3979
		3980	trace "... clearing $pkg";
		3981	clear_package $pkg;
3368	}	3982	}
3369		3983
3370	warn "... nuking $pkg";
3371	Symbol::delete_package $pkg;
3372	}
3373
3374	warn "unloading all perl modules loaded from $LIBDIR";	3984	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3375	while (my ($k, $v) = each %INC) {	3985	while (my ($k, $v) = each %INC) {
3376	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3986	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3377		3987
3378	warn "... unloading $k";	3988	trace "... unloading $k";
3379	delete $INC{$k};	3989	delete $INC{$k};
3380		3990
3381	$k =~ s/\.pm$//;	3991	$k =~ s/\.pm$//;
3382	$k =~ s/\//::/g;	3992	$k =~ s/\//::/g;
3383		3993
3384	if (my $cb = $k->can ("unload_module")) {	3994	if (my $cb = $k->can ("unload_module")) {
3385	$cb->();	3995	$cb->();
		3996	}
		3997
		3998	clear_package $k;
3386	}	3999	}
3387		4000
3388	Symbol::delete_package $k;
3389	}
3390
3391	warn "getting rid of safe::, as good as possible";	4001	trace "perl_reload: getting rid of safe::, as good as possible";
3392	Symbol::delete_package "safe::$_"	4002	clear_package "safe::$_"
3393	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4003	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3394		4004
3395	warn "unloading cf.pm \"a bit\"";	4005	trace "perl_reload: unloading cf.pm \"a bit\"";
3396	delete $INC{"cf.pm"};	4006	delete $INC{"cf.pm"};
3397	delete $INC{"cf/pod.pm"};	4007	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3398		4008
3399	# don't, removes xs symbols, too,	4009	# don't, removes xs symbols, too,
3400	# and global variables created in xs	4010	# and global variables created in xs
3401	#Symbol::delete_package __PACKAGE__;	4011	#clear_package __PACKAGE__;
3402		4012
3403	warn "unload completed, starting to reload now";	4013	info "perl_reload: unload completed, starting to reload now";
3404		4014
3405	warn "reloading cf.pm";	4015	trace "perl_reload: reloading cf.pm";
3406	require cf;	4016	require cf;
3407	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4017	cf::_connect_to_perl_1;
3408		4018
3409	warn "loading config and database again";	4019	trace "perl_reload: loading config and database again";
3410	cf::reload_config;	4020	cf::reload_config;
3411		4021
3412	warn "loading extensions";	4022	trace "perl_reload: loading extensions";
3413	cf::load_extensions;	4023	cf::load_extensions;
3414		4024
		4025	if ($REATTACH_ON_RELOAD) {
3415	warn "reattaching attachments to objects/players";	4026	trace "perl_reload: reattaching attachments to objects/players";
3416	_global_reattach; # objects, sockets	4027	_global_reattach; # objects, sockets
3417	warn "reattaching attachments to maps";	4028	trace "perl_reload: reattaching attachments to maps";
3418	reattach $_ for values %MAP;	4029	reattach $_ for values %MAP;
3419	warn "reattaching attachments to players";	4030	trace "perl_reload: reattaching attachments to players";
3420	reattach $_ for values %PLAYER;	4031	reattach $_ for values %PLAYER;
		4032	}
3421		4033
3422	warn "leaving sync_job";	4034	cf::_post_init 1;
3423		4035
		4036	trace "perl_reload: leaving sync_job";
		4037
3424	1	4038	1
3425	} or do {	4039	} or do {
3426	warn $@;	4040	error $@;
3427	warn "error while reloading, exiting.";	4041	cf::cleanup "perl_reload: error, exiting.";
3428	exit 1;	4042	};
		4043
		4044	--$RELOAD;
3429	};	4045	}
3430		4046
3431	warn "reloaded";	4047	$t1 = AE::time - $t1;
		4048	info "perl_reload: completed in ${t1}s\n";
3432	};	4049	};
3433		4050
3434	our $RELOAD_WATCHER; # used only during reload	4051	our $RELOAD_WATCHER; # used only during reload
3435		4052
3436	sub reload_perl() {	4053	sub reload_perl() {
3437	# doing reload synchronously and two reloads happen back-to-back,	4054	# doing reload synchronously and two reloads happen back-to-back,
3438	# coro crashes during coro_state_free->destroy here.	4055	# coro crashes during coro_state_free->destroy here.
3439		4056
3440	$RELOAD_WATCHER ||= Event->timer (	4057	$RELOAD_WATCHER ||= cf::async {
3441	reentrant => 0,	4058	Coro::AIO::aio_wait cache_extensions;
3442	after => 0,	4059
3443	data => WF_AUTOCANCEL,	4060	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3444	cb => sub {
3445	do_reload_perl;	4061	do_reload_perl;
3446	undef $RELOAD_WATCHER;	4062	undef $RELOAD_WATCHER;
3447	},	4063	};
3448	);	4064	};
3449	}	4065	}
3450		4066
3451	register_command "reload" => sub {	4067	register_command "reload" => sub {
3452	my ($who, $arg) = @_;	4068	my ($who, $arg) = @_;
3453		4069
…		…
3458	reload_perl;	4074	reload_perl;
3459	};	4075	};
3460	}	4076	}
3461	};	4077	};
3462		4078
3463	unshift @INC, $LIBDIR;	4079	#############################################################################
3464		4080
3465	my $bug_warning = 0;	4081	my $bug_warning = 0;
3466		4082
3467	our @WAIT_FOR_TICK;
3468	our @WAIT_FOR_TICK_BEGIN;
3469
3470	sub wait_for_tick {	4083	sub wait_for_tick() {
3471	return unless $TICK_WATCHER->is_active;	4084	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3472	return if $Coro::current == $Coro::main;
3473		4085
3474	my $signal = new Coro::Signal;	4086	$WAIT_FOR_TICK->wait;
3475	push @WAIT_FOR_TICK, $signal;
3476	$signal->wait;
3477	}	4087	}
3478		4088
3479	sub wait_for_tick_begin {	4089	sub wait_for_tick_begin() {
3480	return unless $TICK_WATCHER->is_active;	4090	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3481	return if $Coro::current == $Coro::main;
3482		4091
3483	my $signal = new Coro::Signal;	4092	my $signal = new Coro::Signal;
3484	push @WAIT_FOR_TICK_BEGIN, $signal;	4093	push @WAIT_FOR_TICK_BEGIN, $signal;
3485	$signal->wait;	4094	$signal->wait;
3486	}	4095	}
3487		4096
3488	$TICK_WATCHER = Event->timer (	4097	sub tick {
3489	reentrant => 0,
3490	parked => 1,
3491	prio => 0,
3492	at => $NEXT_TICK || $TICK,
3493	data => WF_AUTOCANCEL,
3494	cb => sub {
3495	if ($Coro::current != $Coro::main) {	4098	if ($Coro::current != $Coro::main) {
3496	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4099	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3497	unless ++$bug_warning > 10;	4100	unless ++$bug_warning > 10;
3498	return;	4101	return;
3499	}	4102	}
3500		4103
3501	$NOW = $tick_start = Event::time;	4104	cf::one_tick; # one server iteration
3502		4105
3503	cf::server_tick; # one server iteration	4106	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3504		4107
3505	$RUNTIME += $TICK;
3506	$NEXT_TICK += $TICK;
3507
3508	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4108	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3509	$NEXT_RUNTIME_WRITE = $NOW + 10;	4109	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3510	Coro::async_pool {	4110	Coro::async_pool {
3511	$Coro::current->{desc} = "runtime saver";	4111	$Coro::current->{desc} = "runtime saver";
3512	write_runtime	4112	write_runtime_sync
3513	or warn "ERROR: unable to write runtime file: $!";	4113	or error "ERROR: unable to write runtime file: $!";
3514	};
3515	}	4114	};
		4115	}
3516		4116
3517	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4117	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3518	$sig->send;	4118	$sig->send;
3519	}	4119	}
3520	while (my $sig = shift @WAIT_FOR_TICK) {	4120	$WAIT_FOR_TICK->broadcast;
3521	$sig->send;
3522	}
3523		4121
3524	$NOW = Event::time;	4122	$LOAD = ($NOW - $TICK_START) / $TICK;
3525
3526	# if we are delayed by four ticks or more, skip them all
3527	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3528
3529	$TICK_WATCHER->at ($NEXT_TICK);
3530	$TICK_WATCHER->start;
3531
3532	$LOAD = ($NOW - $tick_start) / $TICK;
3533	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4123	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3534		4124
3535	_post_tick;	4125	if (0) {
		4126	if ($NEXT_TICK) {
		4127	my $jitter = $TICK_START - $NEXT_TICK;
		4128	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4129	debug "jitter $JITTER\n";#d#
		4130	}
3536	},	4131	}
3537	);	4132	}
3538		4133
3539	{	4134	{
		4135	# configure BDB
		4136
3540	BDB::min_parallel 8;	4137	BDB::min_parallel 16;
3541	BDB::max_poll_time $TICK * 0.1;	4138	BDB::max_poll_reqs $TICK * 0.1;
3542	$BDB_POLL_WATCHER = Event->io (	4139	#$AnyEvent::BDB::WATCHER->priority (1);
3543	reentrant => 0,
3544	fd => BDB::poll_fileno,
3545	poll => 'r',
3546	prio => 0,
3547	data => WF_AUTOCANCEL,
3548	cb => \&BDB::poll_cb,
3549	);
3550
3551	BDB::set_sync_prepare {
3552	my $status;
3553	my $current = $Coro::current;
3554	(
3555	sub {
3556	$status = $!;
3557	$current->ready; undef $current;
3558	},
3559	sub {
3560	Coro::schedule while defined $current;
3561	$! = $status;
3562	},
3563	)
3564	};
3565		4140
3566	unless ($DB_ENV) {	4141	unless ($DB_ENV) {
3567	$DB_ENV = BDB::db_env_create;	4142	$DB_ENV = BDB::db_env_create;
3568	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4143	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3569	| BDB::LOG_AUTOREMOVE, 1);	4144	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4145	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3570	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4146	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3571	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4147	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3572		4148
3573	cf::sync_job {	4149	cf::sync_job {
3574	eval {	4150	eval {
…		…
3584		4160
3585	cf::cleanup "db_env_open(db): $@" if $@;	4161	cf::cleanup "db_env_open(db): $@" if $@;
3586	};	4162	};
3587	}	4163	}
3588		4164
3589	$BDB_DEADLOCK_WATCHER = Event->timer (	4165	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3590	after => 3,
3591	interval => 1,
3592	hard => 1,
3593	prio => 0,
3594	data => WF_AUTOCANCEL,
3595	cb => sub {
3596	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	4166	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3597	},
3598	);	4167	};
3599	$BDB_CHECKPOINT_WATCHER = Event->timer (	4168	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3600	after => 11,
3601	interval => 60,
3602	hard => 1,
3603	prio => 0,
3604	data => WF_AUTOCANCEL,
3605	cb => sub {
3606	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4169	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3607	},
3608	);	4170	};
3609	$BDB_TRICKLE_WATCHER = Event->timer (	4171	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3610	after => 5,
3611	interval => 10,
3612	hard => 1,
3613	prio => 0,
3614	data => WF_AUTOCANCEL,
3615	cb => sub {
3616	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4172	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3617	},
3618	);	4173	};
3619	}	4174	}
3620		4175
3621	{	4176	{
		4177	# configure IO::AIO
		4178
3622	IO::AIO::min_parallel 8;	4179	IO::AIO::min_parallel 8;
3623
3624	undef $Coro::AIO::WATCHER;
3625	IO::AIO::max_poll_time $TICK * 0.1;	4180	IO::AIO::max_poll_time $TICK * 0.1;
3626	$AIO_POLL_WATCHER = Event->io (	4181	undef $AnyEvent::AIO::WATCHER;
3627	reentrant => 0,
3628	data => WF_AUTOCANCEL,
3629	fd => IO::AIO::poll_fileno,
3630	poll => 'r',
3631	prio => 6,
3632	cb => \&IO::AIO::poll_cb,
3633	);
3634	}	4182	}
3635		4183
3636	my $_log_backtrace;	4184	our $_log_backtrace;
		4185	our $_log_backtrace_last;
3637		4186
3638	sub _log_backtrace {	4187	sub _log_backtrace {
3639	my ($msg, @addr) = @_;	4188	my ($msg, @addr) = @_;
3640		4189
3641	$msg =~ s/\n//;	4190	$msg =~ s/\n$//;
3642		4191
		4192	if ($_log_backtrace_last eq $msg) {
		4193	LOG llevInfo, "[ABT] $msg\n";
		4194	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3643	# limit the # of concurrent backtraces	4195	# limit the # of concurrent backtraces
3644	if ($_log_backtrace < 2) {	4196	} elsif ($_log_backtrace < 2) {
		4197	$_log_backtrace_last = $msg;
3645	++$_log_backtrace;	4198	++$_log_backtrace;
		4199	my $perl_bt = Carp::longmess $msg;
3646	async {	4200	async {
3647	$Coro::current->{desc} = "abt $msg";	4201	$Coro::current->{desc} = "abt $msg";
3648		4202
3649	my @bt = fork_call {	4203	my @bt = fork_call {
3650	@addr = map { sprintf "%x", $_ } @addr;	4204	@addr = map { sprintf "%x", $_ } @addr;
…		…
3661	}	4215	}
3662		4216
3663	@funcs	4217	@funcs
3664	};	4218	};
3665		4219
3666	LOG llevInfo, "[ABT] $msg\n";	4220	LOG llevInfo, "[ABT] $perl_bt\n";
		4221	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3667	LOG llevInfo, "[ABT] $_\n" for @bt;	4222	LOG llevInfo, "[ABT] $_\n" for @bt;
3668	--$_log_backtrace;	4223	--$_log_backtrace;
3669	};	4224	};
3670	} else {	4225	} else {
3671	LOG llevInfo, "[ABT] $msg\n";	4226	LOG llevInfo, "[ABT] $msg\n";
3672	LOG llevInfo, "[ABT] [suppressed]\n";	4227	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3673	}	4228	}
3674	}	4229	}
3675		4230
3676	# load additional modules	4231	# load additional modules
3677	use cf::pod;	4232	require "cf/$_.pm" for @EXTRA_MODULES;
		4233	cf::_connect_to_perl_2;
3678		4234
3679	END { cf::emergency_save }	4235	END { cf::emergency_save }
3680		4236
3681	1	4237	1
3682		4238

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