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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.372 by root, Sat Sep 15 13:25:33 2007 UTC vs.
Revision 1.571 by root, Wed May 4 19:04:45 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.64 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.32 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		75
43	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
44		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		78
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
54		85
55	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
65	our $DATADIR = datadir;	99	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
69	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
75		120
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	123	our $NEXT_TICK;
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 {
		549	$Coro::current->desc ("timeslot manager");
		550
359	my $signal = new Coro::Signal;	551	my $signal = new Coro::Signal;
		552	my $busy;
360		553
361	while () {	554	while () {
362	next_job:	555	next_job:
		556
363	my $avail = cf::till_tick;	557	my $avail = cf::till_tick;
364	if ($avail > 0.01) {	558
365	for (0 .. $#SLOT_QUEUE) {	559	for (0 .. $#SLOT_QUEUE) {
366	if ($SLOT_QUEUE[$_][0] < $avail) {	560	if ($SLOT_QUEUE[$_][0] <= $avail) {
		561	$busy = 0;
367	my $job = splice @SLOT_QUEUE, $_, 1, ();	562	my $job = splice @SLOT_QUEUE, $_, 1, ();
368	$job->[2]->send;	563	$job->[2]->send;
369	Coro::cede;	564	Coro::cede;
370	goto next_job;	565	goto next_job;
371	}	566	} else {
		567	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
372	}	568	}
373	}	569	}
374		570
375	if (@SLOT_QUEUE) {	571	if (@SLOT_QUEUE) {
376	# 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
377	push @cf::WAIT_FOR_TICK, $signal;	573	$WAIT_FOR_TICK->wait;
378	$signal->wait;
379	} else {	574	} else {
		575	$busy = 0;
380	Coro::schedule;	576	Coro::schedule;
381	}	577	}
382	}	578	}
383	};	579	};
384		580
385	sub get_slot($;$$) {	581	sub get_slot($;$$) {
		582	return if tick_inhibit || $Coro::current == $Coro::main;
		583
386	my ($time, $pri, $name) = @_;	584	my ($time, $pri, $name) = @_;
387		585
388	$time = $TICK * .6 if $time > $TICK * .6;	586	$time = clamp $time, 0.01, $TICK * .6;
		587
389	my $sig = new Coro::Signal;	588	my $sig = new Coro::Signal;
390		589
391	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	590	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
392	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	591	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
393	$SLOT_QUEUE->ready;	592	$SLOT_QUEUE->ready;
…		…
404		603
405	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
406		605
407	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
408		607
409	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	608	The design of Deliantra requires that the main coroutine ($Coro::main)
410	is always able to handle events or runnable, as Crossfire TRT is only	609	is always able to handle events or runnable, as Deliantra is only
411	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	610	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
412	acceptable.	611	acceptable.
413		612
414	If it must be done, put the blocking parts into C<sync_job>. This will run	613	If it must be done, put the blocking parts into C<sync_job>. This will run
415	the given BLOCK in another coroutine while waiting for the result. The	614	the given BLOCK in another coroutine while waiting for the result. The
…		…
419	=cut	618	=cut
420		619
421	sub sync_job(&) {	620	sub sync_job(&) {
422	my ($job) = @_;	621	my ($job) = @_;
423		622
424	if ($Coro::current == $Coro::main) {	623	if (in_main) {
425	my $time = Event::time;	624	my $time = AE::time;
426		625
427	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
428	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
429		628
430	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
431	# (but this is cancel-safe)	630
432	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
433		632
434	my $busy = 1;	633	my $busy = 1;
435	my @res;	634	my @res;
436		635
437	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
438	@res = eval { $job->() };	638	@res = eval { $job->() };
439	warn $@ if $@;	639	error $@ if $@;
440	undef $busy;	640	undef $busy;
441	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
442		642
443	while ($busy) {	643	while ($busy) {
444	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
445	}	648	}
		649	}
446		650
447	$time = Event::time - $time;	651	my $time = AE::time - $time;
448		652
449	LOG llevError | logBacktrace, Carp::longmess "long sync job"
450	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
451
452	$tick_start += $time; # do not account sync jobs to server load	653	$TICK_START += $time; # do not account sync jobs to server load
453		654
454	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
455	} else {	656	} else {
456	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
457		658
…		…
477	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
478		679
479	$coro	680	$coro
480	}	681	}
481		682
482	=item fork_call { }, $args	683	=item fork_call { }, @args
483		684
484	Executes the given code block with the given arguments in a seperate	685	Executes the given code block with the given arguments in a seperate
485	process, returning the results. Everything must be serialisable with	686	process, returning the results. Everything must be serialisable with
486	Coro::Storable. May, of course, block. Note that the executed sub may	687	Coro::Storable. May, of course, block. Note that the executed sub may
487	never block itself or use any form of Event handling.	688	never block itself or use any form of event handling.
488		689
489	=cut	690	=cut
		691
		692	sub post_fork {
		693	reset_signals;
		694	}
490		695
491	sub fork_call(&@) {	696	sub fork_call(&@) {
492	my ($cb, @args) = @_;	697	my ($cb, @args) = @_;
493		698
494	# we seemingly have to make a local copy of the whole thing,	699	# we seemingly have to make a local copy of the whole thing,
495	# otherwise perl prematurely frees the stuff :/	700	# otherwise perl prematurely frees the stuff :/
496	# TODO: investigate and fix (likely this will be rather laborious)	701	# TODO: investigate and fix (likely this will be rather laborious)
497		702
498	my @res = Coro::Util::fork_eval {	703	my @res = Coro::Util::fork_eval {
499	reset_signals;	704	cf::post_fork;
500	&$cb	705	&$cb
501	}, @args;	706	} @args;
502		707
503	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
504	}	747	}
505		748
506	=item $value = cf::db_get $family => $key	749	=item $value = cf::db_get $family => $key
507		750
508	Returns a single value from the environment database.	751	Returns a single value from the environment database.
…		…
518	within each server.	761	within each server.
519		762
520	=cut	763	=cut
521		764
522	sub db_table($) {	765	sub db_table($) {
		766	cf::error "db_get called from main context"
		767	if $Coro::current == $Coro::main;
		768
523	my ($name) = @_;	769	my ($name) = @_;
524	my $db = BDB::db_create $DB_ENV;	770	my $db = BDB::db_create $DB_ENV;
525		771
526	eval {	772	eval {
527	$db->set_flags (BDB::CHKSUM);	773	$db->set_flags (BDB::CHKSUM);
…		…
537	}	783	}
538		784
539	our $DB;	785	our $DB;
540		786
541	sub db_init {	787	sub db_init {
542	cf::sync_job {
543	$DB ||= db_table "db";	788	$DB ||= db_table "db";
544	};
545	}	789	}
546		790
547	sub db_get($$) {	791	sub db_get($$) {
548	my $key = "$_[0]/$_[1]";	792	my $key = "$_[0]/$_[1]";
549		793
550	cf::sync_job {	794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
551	BDB::db_get $DB, undef, $key, my $data;	797	BDB::db_get $DB, undef, $key, my $data;
552		798
553	$! ? ()	799	$! ? ()
554	: $data	800	: $data
555	}
556	}	801	}
557		802
558	sub db_put($$$) {	803	sub db_put($$$) {
559	BDB::dbreq_pri 4;	804	BDB::dbreq_pri 4;
560	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
588		833
589	my @data;	834	my @data;
590	my $md5;	835	my $md5;
591		836
592	for (0 .. $#$src) {	837	for (0 .. $#$src) {
593	0 <= aio_load $src->[$_], $data[$_]	838	$data[$_] = load_file $src->[$_];
594	or Carp::croak "$src->[$_]: $!";
595	}	839	}
596		840
597	# if processing is expensive, check	841	# if processing is expensive, check
598	# checksum first	842	# checksum first
599	if (1) {	843	if (1) {
…		…
616		860
617	my $t1 = Time::HiRes::time;	861	my $t1 = Time::HiRes::time;
618	my $data = $process->(\@data);	862	my $data = $process->(\@data);
619	my $t2 = Time::HiRes::time;	863	my $t2 = Time::HiRes::time;
620		864
621	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
622		866
623	db_put cache => "$id/data", $data;	867	db_put cache => "$id/data", $data;
624	db_put cache => "$id/md5" , $md5;	868	db_put cache => "$id/md5" , $md5;
625	db_put cache => "$id/meta", $meta;	869	db_put cache => "$id/meta", $meta;
626		870
…		…
636		880
637	=cut	881	=cut
638		882
639	sub datalog($@) {	883	sub datalog($@) {
640	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
641	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
642	}	886	}
643		887
644	=back	888	=back
645		889
646	=cut	890	=cut
647		891
648	#############################################################################	892	#############################################################################
649		893
650	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
651		895
652	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
653	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")
654	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
655		899
656	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>
657	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
658	Crossfire TRT).	902	Deliantra).
659		903
660	=over 4	904	=over 4
661		905
662	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
663		907
…		…
707	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
708		952
709	Register an attachment by C<$name> through which attachable objects of the	953	Register an attachment by C<$name> through which attachable objects of the
710	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
711		955
712	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
713	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.
714		958
715	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
716		960
717	=over 4	961	=over 4
…		…
841		1085
842	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
843	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
844		1088
845	} elsif (ref $type) {	1089	} elsif (ref $type) {
846	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
847		1091
848	} else {	1092	} else {
849	shift @arg;	1093	shift @arg;
850	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
851	}	1095	}
852	}	1096	}
853	}	1097	}
854		1098
855	sub _object_attach {	1099	sub _object_attach {
…		…
865	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
866	}	1110	}
867		1111
868	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
869	} else {	1113	} else {
870	warn "object uses attachment '$name' which is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
871	}	1115	}
872		1116
873	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
874	}	1118	}
875		1119
…		…
934		1178
935	for (@$callbacks) {	1179	for (@$callbacks) {
936	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
937		1181
938	if ($@) {	1182	if ($@) {
939	warn "$@";
940	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
941	override;	1184	override;
942	}	1185	}
943		1186
944	return 1 if $override;	1187	return 1 if $override;
945	}	1188	}
946		1189
947	0	1190	0
948	}	1191	}
949		1192
950	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
951		1194
952	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
953		1196
954	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
955		1198
…		…
961		1204
962	=cut	1205	=cut
963		1206
964	#############################################################################	1207	#############################################################################
965	# object support	1208	# object support
966	#
967		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 $SLOW_MERGES;#d#
968	sub _can_merge {	1243	sub _can_merge {
969	my ($ob1, $ob2) = @_;	1244	my ($ob1, $ob2) = @_;
970		1245
971	local $Storable::canonical = 1;	1246	++$SLOW_MERGES;#d#
972	my $fob1 = Storable::freeze $ob1;
973	my $fob2 = Storable::freeze $ob2;
974		1247
975	$fob1 eq $fob2	1248	# we do the slow way here
		1249	return _object_equal $ob1, $ob2
976	}	1250	}
977		1251
978	sub reattach {	1252	sub reattach {
979	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
980	my ($obj) = @_;	1254	my ($obj) = @_;
981		1255
		1256	# no longer needed after getting rid of delete_package?
982	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
983		1258
984	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
985		1260
986	@$registry = ();	1261	@$registry = ();
987		1262
…		…
992	for (@$attach) {	1267	for (@$attach) {
993	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
994	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
995	}	1270	}
996	} else {	1271	} else {
997	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
998	}	1273	}
999	}	1274	}
1000	}	1275	}
1001		1276
1002	cf::attachable->attach (	1277	cf::attachable->attach (
1003	prio => -1000000,	1278	prio => -1000000,
1004	on_instantiate => sub {	1279	on_instantiate => sub {
1005	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
1006		1281
1007	$data = from_json $data;	1282	$data = decode_json $data;
1008		1283
1009	for (@$data) {	1284	for (@$data) {
1010	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
1011		1286
1012	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
1026	);	1301	);
1027		1302
1028	sub object_freezer_save {	1303	sub object_freezer_save {
1029	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
1030		1305
1031	my $guard = cf::lock_acquire "io";
1032
1033	sync_job {	1306	sync_job {
1034	if (length $$rdata) {	1307	if (length $$rdata) {
1035	utf8::decode (my $decname = $filename);	1308	utf8::decode (my $decname = $filename);
1036	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
1037	$decname, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
1038		1312
1039	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1040	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
1041	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1042	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	}
1043	close $fh;	1320	aio_close $fh;
1044		1321
1045	if (@$objs) {	1322	if (@$objs) {
1046	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) {
1047	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
1048	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1049	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
1050	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	}
1051	close $fh;	1331	aio_close $fh;
1052	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
1053	}	1333	}
1054	} else {	1334	} else {
1055	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
1056	}	1336	}
1057		1337
1058	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
1059	} else {	1342	} else {
1060	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
1061	}	1344	}
1062	} else {	1345	} else {
1063	aio_unlink $filename;	1346	aio_unlink $filename;
1064	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
1065	}	1348	}
1066	};	1349	};
1067
1068	undef $guard;
1069	}	1350	}
1070		1351
1071	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
1072	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
1073		1354
…		…
1078		1359
1079	sub object_thawer_load {	1360	sub object_thawer_load {
1080	my ($filename) = @_;	1361	my ($filename) = @_;
1081		1362
1082	my ($data, $av);	1363	my ($data, $av);
1083
1084	my $guard = cf::lock_acquire "io";
1085		1364
1086	(aio_load $filename, $data) >= 0	1365	(aio_load $filename, $data) >= 0
1087	or return;	1366	or return;
1088		1367
1089	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
1090	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
1091	or return;	1370	or return;
1092		1371
1093	undef $guard;
1094	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
1095	}	1374	}
1096		1375
1097	utf8::decode (my $decname = $filename);	1376	utf8::decode (my $decname = $filename);
1098	warn sprintf "loading %s (%d,%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
1099	$decname, length $data, scalar @{$av || []};	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
1100		1380
1101	($data, $av)	1381	($data, $av)
1102	}	1382	}
1103		1383
1104	=head2 COMMAND CALLBACKS	1384	=head2 COMMAND CALLBACKS
…		…
1160	my ($name, $cb) = @_;	1440	my ($name, $cb) = @_;
1161		1441
1162	$EXTICMD{$name} = $cb;	1442	$EXTICMD{$name} = $cb;
1163	}	1443	}
1164		1444
		1445	use File::Glob ();
		1446
1165	cf::player->attach (	1447	cf::player->attach (
1166	on_command => sub {	1448	on_unknown_command => sub {
1167	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
1168		1450
1169	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
1170	or return;	1452	or return;
1171		1453
…		…
1194		1476
1195	$pl->ext_reply ($reply, @reply)	1477	$pl->ext_reply ($reply, @reply)
1196	if $reply;	1478	if $reply;
1197		1479
1198	} else {	1480	} else {
1199	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1200	}	1482	}
1201		1483
1202	cf::override;	1484	cf::override;
1203	},	1485	},
1204	);	1486	);
1205		1487
		1488	# "readahead" all extensions
		1489	sub cache_extensions {
		1490	my $grp = IO::AIO::aio_group;
		1491
		1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1493	for (grep /\.ext$/, @{$_[0]}) {
		1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1495	}
		1496	};
		1497
		1498	$grp
		1499	}
		1500
1206	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
1207	cf::sync_job {	1504	cf::sync_job {
1208	my %todo;	1505	my %todo;
1209		1506
1210	for my $path (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
1211	next unless -r $path;	1508	next unless -r $path;
…		…
1229		1526
1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1527	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1528	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1232		1529
1233	$ext{source} =	1530	$ext{source} =
1234	"package $pkg; use strict; use utf8;\n"	1531	"package $pkg; use common::sense;\n"
1235	. "#line 1 \"$path\"\n{\n"	1532	. "#line 1 \"$path\"\n{\n"
1236	. $source	1533	. $source
1237	. "\n};\n1";	1534	. "\n};\n1";
1238		1535
1239	$todo{$base} = \%ext;	1536	$todo{$base} = \%ext;
1240	}	1537	}
1241		1538
		1539	my $pass = 0;
1242	my %done;	1540	my %done;
1243	while (%todo) {	1541	while (%todo) {
1244	my $progress;	1542	my $progress;
1245		1543
		1544	++$pass;
		1545
		1546	ext:
1246	while (my ($k, $v) = each %todo) {	1547	while (my ($k, $v) = each %todo) {
1247	for (split /,\s*/, $v->{meta}{depends}) {	1548	for (split /,\s*/, $v->{meta}{depends}) {
1248	goto skip	1549	next ext
1249	unless exists $done{$_};	1550	unless exists $done{$_};
1250	}	1551	}
1251		1552
1252	warn "... loading '$k' into '$v->{pkg}'\n";	1553	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1253		1554
1254	unless (eval $v->{source}) {	1555	my $active = eval $v->{source};
		1556
		1557	if (length $@) {
1255	my $msg = $@ ? "$v->{path}: $@\n"	1558	error "$v->{path}: $@\n";
1256	: "$v->{base}: extension inactive.\n";
1257		1559
		1560	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1258	if (exists $v->{meta}{mandatory}) {	1561	if exists $v->{meta}{mandatory};
1259	warn $msg;	1562
1260	warn "mandatory extension failed to load, exiting.\n";	1563	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1261	exit 1;	1564	delete $todo{$k};
1262	}	1565	} else {
1263		1566	$done{$k} = delete $todo{$k};
1264	warn $msg;	1567	push @EXTS, $v->{pkg};
		1568	$progress = 1;
		1569
		1570	info "$v->{base}: extension inactive.\n"
		1571	unless $active;
1265	}	1572	}
1266
1267	$done{$k} = delete $todo{$k};
1268	push @EXTS, $v->{pkg};
1269	$progress = 1;
1270	}	1573	}
1271		1574
1272	skip:	1575	unless ($progress) {
1273	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1576	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1274	unless $progress;	1577
		1578	while (my ($k, $v) = each %todo) {
		1579	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1580	if exists $v->{meta}{mandatory};
		1581	}
		1582
		1583	last;
		1584	}
1275	}	1585	}
1276	};	1586	};
1277	}	1587	}
1278		1588
1279	#############################################################################	1589	#############################################################################
1280		1590
1281	=back	1591	=back
1282		1592
1283	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
1284		1594
1285	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
1286		1596
1287	=cut	1597	=cut
1288		1598
1289	package cf::player;	1599	package cf::player;
1290		1600
…		…
1333		1643
1334	sub exists($) {	1644	sub exists($) {
1335	my ($login) = @_;	1645	my ($login) = @_;
1336		1646
1337	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
1338	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
1339	}	1649	}
1340		1650
1341	sub find($) {	1651	sub find($) {
1342	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
1343	my $login = $_[0];	1653	my $login = $_[0];
…		…
1355	my $f = new_from_file cf::object::thawer path $login	1665	my $f = new_from_file cf::object::thawer path $login
1356	or return;	1666	or return;
1357		1667
1358	my $pl = cf::player::load_pl $f	1668	my $pl = cf::player::load_pl $f
1359	or return;	1669	or return;
		1670
1360	local $cf::PLAYER_LOADING{$login} = $pl;	1671	local $cf::PLAYER_LOADING{$login} = $pl;
1361	$f->resolve_delayed_derefs;	1672	$f->resolve_delayed_derefs;
1362	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
1363	}	1674	}
1364	}	1675	}
1365	}	1676	}
1366		1677
		1678	cf::player->attach (
		1679	on_load => sub {
		1680	my ($pl, $path) = @_;
		1681
		1682	# restore slots saved in save, below
		1683	my $slots = delete $pl->{_slots};
		1684
		1685	$pl->ob->current_weapon ($slots->[0]);
		1686	$pl->combat_ob ($slots->[1]);
		1687	$pl->ranged_ob ($slots->[2]);
		1688	},
		1689	);
		1690
1367	sub save($) {	1691	sub save($) {
1368	my ($pl) = @_;	1692	my ($pl) = @_;
1369		1693
1370	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
1371		1695
…		…
1374		1698
1375	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1376		1700
1377	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1378	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
		1703
		1704	cf::get_slot 0.01;
		1705
		1706	# save slots, to be restored later
		1707	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1379		1708
1380	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1381	cf::cede_to_tick;	1710	cf::cede_to_tick;
1382	}	1711	}
1383		1712
…		…
1415	my ($pl) = @_;	1744	my ($pl) = @_;
1416		1745
1417	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1418		1747
1419	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1420	$pl->password ("*"); # this should lock out the player until we nuked the dir	1749	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1421		1750
1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1423	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1424	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1425	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1426		1759
1427	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1428	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1429	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1467		1800
1468	for my $login (@$dirs) {	1801	for my $login (@$dirs) {
1469	my $path = path $login;	1802	my $path = path $login;
1470		1803
1471	# a .pst is a dead give-away for a valid player	1804	# a .pst is a dead give-away for a valid player
1472	unless (-e "$path.pst") {	1805	# if no pst file found, open and chekc for blocked users
		1806	if (aio_stat "$path.pst") {
1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1474	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1475	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
1476	}	1810	}
1477		1811
…		…
1481		1815
1482	\@logins	1816	\@logins
1483	}	1817	}
1484		1818
1485	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1486		1822
1487	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1488	player. May block.	1824	player. May block.
1489		1825
1490	=cut	1826	=cut
…		…
1508	}	1844	}
1509		1845
1510	\@paths	1846	\@paths
1511	}	1847	}
1512		1848
1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1514		1850
1515	Expand crossfire pod fragments into protocol xml.	1851	Expand deliantra pod fragments into protocol xml.
1516
1517	=cut
1518
1519	sub expand_cfpod {
1520	((my $self), (local $_)) = @_;
1521
1522	# escape & and <
1523	s/&/&amp;/g;
1524	s/(?<![BIUGHT])</&lt;/g;
1525
1526	# this is buggy, it needs to properly take care of nested <'s
1527
1528	1 while
1529	# replace B<>, I<>, U<> etc.
1530	s/B<([^\>]*)>/<b>$1<\/b>/
1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1534	# replace G<male|female> tags
1535	|| s{G<([^>|]*)\|([^>]*)>}{
1536	$self->gender ? $2 : $1
1537	}ge
1538	# replace H<hint text>
1539	|| s{H<([^\>]*)>}
1540	{
1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1543	"")
1544	[$self->{hintmode}]
1545	}ge;
1546
1547	# create single paragraphs (very hackish)
1548	s/(?<=\S)\n(?=\w)/ /g;
1549
1550	# compress some whitespace
1551	s/\s+\n/\n/g; # ws line-ends
1552	s/\n\n+/\n/g; # double lines
1553	s/^\n+//; # beginning lines
1554	s/\n+$//; # ending lines
1555
1556	$_
1557	}
1558
1559	sub hintmode {
1560	$_[0]{hintmode} = $_[1] if @_ > 1;
1561	$_[0]{hintmode}
1562	}
1563		1852
1564	=item $player->ext_reply ($msgid, @msg)	1853	=item $player->ext_reply ($msgid, @msg)
1565		1854
1566	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1567		1856
…		…
1599		1888
1600	=cut	1889	=cut
1601		1890
1602	sub find_by_path($) {	1891	sub find_by_path($) {
1603	my ($path) = @_;	1892	my ($path) = @_;
		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
1604		1895
1605	my ($match, $specificity);	1896	my ($match, $specificity);
1606		1897
1607	for my $region (list) {	1898	for my $region (list) {
1608	if ($region->{match} && $path =~ $region->{match}) {	1899	if ($region->{match} && $path =~ $region->{match}) {
…		…
1634	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1635	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1636		1927
1637	sub generate_random_map {	1928	sub generate_random_map {
1638	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1639	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1640	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1641	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1642	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1643	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1644	$rmp->{exit_on_final_map},
1645	$rmp->{xsize}, $rmp->{ysize},
1646	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1647	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1648	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1649	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1650	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1651	(cf::region::find $rmp->{region}), $rmp->{custom}
1652	)
1653	}	1934	}
1654		1935
1655	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1656		1937
1657	Register a handler for the map path matching the given regex at the	1938	Register a handler for the map path matching the given regex at the
…		…
1662		1943
1663	sub register {	1944	sub register {
1664	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1665	my $pkg = caller;	1946	my $pkg = caller;
1666		1947
1667	no strict;
1668	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1669		1949
1670	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1671	}	1951	}
1672		1952
1673	# also paths starting with '/'	1953	# also paths starting with '/'
1674	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1675		1955
1676	sub thawer_merge {	1956	sub thawer_merge {
1677	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1678		1958
1679	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
…		…
1684	}	1964	}
1685		1965
1686	sub normalise {	1966	sub normalise {
1687	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1688		1968
1689	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1690		1970
1691	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1692		1972
1693	# map plan:	1973	# map plan:
1694	#	1974	#
…		…
1709	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1710	$path = "$base/$path";	1990	$path = "$base/$path";
1711	}	1991	}
1712		1992
1713	for ($path) {	1993	for ($path) {
1714	redo if s{//}{/};
1715	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1716	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1717	}	1996	}
1718		1997
1719	$path	1998	$path
…		…
1733	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1734	return $self;	2013	return $self;
1735	}	2014	}
1736	}	2015	}
1737		2016
1738	Carp::cluck "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1739	()	2018	()
1740	}	2019	}
1741		2020
		2021	# may re-bless or do other evil things
1742	sub init {	2022	sub init {
1743	my ($self) = @_;	2023	my ($self) = @_;
1744		2024
1745	$self	2025	$self
1746	}	2026	}
…		…
1765		2045
1766	# the temporary/swap location	2046	# the temporary/swap location
1767	sub save_path {	2047	sub save_path {
1768	my ($self) = @_;	2048	my ($self) = @_;
1769		2049
1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1771	"$TMPDIR/$path.map"	2051	"$TMPDIR/$path.map"
1772	}	2052	}
1773		2053
1774	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1775	sub uniq_path {	2055	sub uniq_path {
1776	my ($self) = @_;	2056	my ($self) = @_;
1777		2057
1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1779	"$UNIQUEDIR/$path"	2059	"$UNIQUEDIR/$path"
1780	}
1781
1782	# and all this just because we cannot iterate over
1783	# all maps in C++...
1784	sub change_all_map_light {
1785	my ($change) = @_;
1786
1787	$_->change_map_light ($change)
1788	for grep $_->outdoor, values %cf::MAP;
1789	}	2060	}
1790		2061
1791	sub decay_objects {	2062	sub decay_objects {
1792	my ($self) = @_;	2063	my ($self) = @_;
1793		2064
…		…
1820	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1821		2092
1822	1	2093	1
1823	}	2094	}
1824		2095
		2096	# used to laod the header of an original map
1825	sub load_header_orig {	2097	sub load_header_orig {
1826	my ($self) = @_;	2098	my ($self) = @_;
1827		2099
1828	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1829	}	2101	}
1830		2102
		2103	# used to laod the header of an instantiated map
1831	sub load_header_temp {	2104	sub load_header_temp {
1832	my ($self) = @_;	2105	my ($self) = @_;
1833		2106
1834	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1835	}	2108	}
1836		2109
		2110	# called after loading the header from an instantiated map
1837	sub prepare_temp {	2111	sub prepare_temp {
1838	my ($self) = @_;	2112	my ($self) = @_;
1839		2113
1840	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1841	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1842	# safety	2116	# safety
1843	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1844	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1845	}	2119	}
1846		2120
		2121	# called after loading the header from an original map
1847	sub prepare_orig {	2122	sub prepare_orig {
1848	my ($self) = @_;	2123	my ($self) = @_;
1849		2124
1850	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1851	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1875		2150
1876	sub find;	2151	sub find;
1877	sub find {	2152	sub find {
1878	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1879		2154
		2155	cf::cede_to_tick;
		2156
1880	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1881		2158
1882	cf::lock_wait "map_data:$path";#d#remove	2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1883	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1884		2161
1885	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1886	my $guard1 = cf::lock_acquire "map_find:$path";
1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1888
1889	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1890	or return;	2164	or return;
1891		2165
1892	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1893		2167
…		…
1895	or return;	2169	or return;
1896		2170
1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1898	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1899	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
1900	undef $guard1;	2175	undef $guard1;
1901	undef $guard2;
1902	$map->reset;	2176	$map->reset;
1903	return find $path;	2177	return find $path;
1904	}	2178	}
1905		2179
1906	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1907	}	2181	}
1908	}	2182	}
1909		2183
1910	sub pre_load { }	2184	sub pre_load { }
1911	sub post_load { }	2185	#sub post_load { } # XS
1912		2186
1913	sub load {	2187	sub load {
1914	my ($self) = @_;	2188	my ($self) = @_;
1915		2189
1916	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1919		2193
1920	{	2194	{
1921	my $guard = cf::lock_acquire "map_data:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1922		2196
1923	return unless $self->valid;	2197	return unless $self->valid;
1924	return unless $self->in_memory == cf::MAP_SWAPPED;	2198	return unless $self->state == cf::MAP_SWAPPED;
1925
1926	$self->in_memory (cf::MAP_LOADING);
1927		2199
1928	$self->alloc;	2200	$self->alloc;
1929		2201
1930	$self->pre_load;	2202	$self->pre_load;
1931	cf::cede_to_tick;	2203	cf::cede_to_tick;
1932		2204
		2205	if (exists $self->{load_path}) {
1933	my $f = new_from_file cf::object::thawer $self->{load_path};	2206	my $f = new_from_file cf::object::thawer $self->{load_path};
1934	$f->skip_block;	2207	$f->skip_block;
1935	$self->_load_objects ($f)	2208	$self->_load_objects ($f)
1936	or return;	2209	or return;
1937		2210
1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1939	if delete $self->{load_original};	2212	if delete $self->{load_original};
1940		2213
1941	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1942	utf8::encode $uniq;	2215	utf8::encode $uniq;
1943	unless (aio_stat $uniq) {	2216	unless (aio_stat $uniq) {
1944	if (my $f = new_from_file cf::object::thawer $uniq) {	2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1945	$self->clear_unique_items;	2218	$self->clear_unique_items;
1946	$self->_load_objects ($f);	2219	$self->_load_objects ($f);
1947	$f->resolve_delayed_derefs;	2220	$f->resolve_delayed_derefs;
		2221	}
1948	}	2222	}
1949	}	2223	}
1950	}
1951		2224
1952	$f->resolve_delayed_derefs;	2225	$f->resolve_delayed_derefs;
		2226	} else {
		2227	$self->post_load_original
		2228	if delete $self->{load_original};
		2229	}
		2230
		2231	$self->state (cf::MAP_INACTIVE);
1953		2232
1954	cf::cede_to_tick;	2233	cf::cede_to_tick;
1955	# now do the right thing for maps	2234	# now do the right thing for maps
1956	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1957	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
…		…
1960		2239
1961	unless ($self->{deny_activate}) {	2240	unless ($self->{deny_activate}) {
1962	$self->decay_objects;	2241	$self->decay_objects;
1963	$self->fix_auto_apply;	2242	$self->fix_auto_apply;
1964	$self->update_buttons;	2243	$self->update_buttons;
		2244	$self->post_load_physics;
1965	cf::cede_to_tick;	2245	cf::cede_to_tick;
1966	$self->set_darkness_map;	2246	#$self->activate; # no longer activate maps automatically
1967	cf::cede_to_tick;
1968	$self->activate;
1969	}	2247	}
1970		2248
1971	$self->{last_save} = $cf::RUNTIME;	2249	$self->{last_save} = $cf::RUNTIME;
1972	$self->last_access ($cf::RUNTIME);	2250	$self->last_access ($cf::RUNTIME);
1973
1974	$self->in_memory (cf::MAP_IN_MEMORY);
1975	}	2251	}
1976		2252
1977	$self->post_load;	2253	$self->post_load;
1978	}
1979		2254
		2255	1
		2256	}
		2257
		2258	# customize the map for a given player, i.e.
		2259	# return the _real_ map. used by e.g. per-player
		2260	# maps to change the path to ~playername/mappath
1980	sub customise_for {	2261	sub customise_for {
1981	my ($self, $ob) = @_;	2262	my ($self, $ob) = @_;
1982		2263
1983	return find "~" . $ob->name . "/" . $self->{path}	2264	return find "~" . $ob->name . "/" . $self->{path}
1984	if $self->per_player;	2265	if $self->per_player;
…		…
2000	or next;	2281	or next;
2001	$neigh = find $neigh, $map	2282	$neigh = find $neigh, $map
2002	or next;	2283	or next;
2003	$neigh->load;	2284	$neigh->load;
2004		2285
		2286	# now find the diagonal neighbours
2005	push @neigh,	2287	push @neigh,
2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2288	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2289	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2008	}	2290	}
2009		2291
…		…
2016	}	2298	}
2017		2299
2018	sub find_sync {	2300	sub find_sync {
2019	my ($path, $origin) = @_;	2301	my ($path, $origin) = @_;
2020		2302
2021	cf::sync_job { find $path, $origin }	2303	# it's a bug to call this from the main context
		2304	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2305	if $Coro::current == $Coro::main;
		2306
		2307	find $path, $origin
2022	}	2308	}
2023		2309
2024	sub do_load_sync {	2310	sub do_load_sync {
2025	my ($map) = @_;	2311	my ($map) = @_;
2026		2312
		2313	# it's a bug to call this from the main context
2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2314	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2028	if $Coro::current == $Coro::main;	2315	if $Coro::current == $Coro::main;
2029		2316
2030	cf::sync_job { $map->load };	2317	$map->load;
2031	}	2318	}
2032		2319
2033	our %MAP_PREFETCH;	2320	our %MAP_PREFETCH;
2034	our $MAP_PREFETCHER = undef;	2321	our $MAP_PREFETCHER = undef;
2035		2322
2036	sub find_async {	2323	sub find_async {
2037	my ($path, $origin, $load) = @_;	2324	my ($path, $origin, $load) = @_;
2038		2325
2039	$path = normalise $path, $origin && $origin->{path};	2326	$path = normalise $path, $origin;
2040		2327
2041	if (my $map = $cf::MAP{$path}) {	2328	if (my $map = $cf::MAP{$path}) {
2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2329	return $map if !$load || $map->linkable;
2043	}	2330	}
2044		2331
2045	$MAP_PREFETCH{$path} |= $load;	2332	$MAP_PREFETCH{$path} |= $load;
2046		2333
2047	$MAP_PREFETCHER ||= cf::async {	2334	$MAP_PREFETCHER ||= cf::async {
		2335	$Coro::current->{desc} = "map prefetcher";
		2336
2048	while (%MAP_PREFETCH) {	2337	while (%MAP_PREFETCH) {
2049	while (my ($k, $v) = each %MAP_PREFETCH) {	2338	while (my ($k, $v) = each %MAP_PREFETCH) {
2050	if (my $map = find $k) {	2339	if (my $map = find $k) {
2051	$map->load if $v;	2340	$map->load if $v;
2052	}	2341	}
…		…
2059	$MAP_PREFETCHER->prio (6);	2348	$MAP_PREFETCHER->prio (6);
2060		2349
2061	()	2350	()
2062	}	2351	}
2063		2352
		2353	# common code, used by both ->save and ->swapout
2064	sub save {	2354	sub _save {
2065	my ($self) = @_;	2355	my ($self) = @_;
2066
2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
2068		2356
2069	$self->{last_save} = $cf::RUNTIME;	2357	$self->{last_save} = $cf::RUNTIME;
2070		2358
2071	return unless $self->dirty;	2359	return unless $self->dirty;
2072		2360
…		…
2078	return if $self->{deny_save};	2366	return if $self->{deny_save};
2079		2367
2080	local $self->{last_access} = $self->last_access;#d#	2368	local $self->{last_access} = $self->last_access;#d#
2081		2369
2082	cf::async {	2370	cf::async {
		2371	$Coro::current->{desc} = "map player save";
2083	$_->contr->save for $self->players;	2372	$_->contr->save for $self->players;
2084	};	2373	};
		2374
		2375	cf::get_slot 0.02;
2085		2376
2086	if ($uniq) {	2377	if ($uniq) {
2087	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2378	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2088	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2379	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2089	} else {	2380	} else {
2090	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2381	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2091	}	2382	}
2092	}	2383	}
2093		2384
		2385	sub save {
		2386	my ($self) = @_;
		2387
		2388	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2389
		2390	$self->_save;
		2391	}
		2392
2094	sub swap_out {	2393	sub swap_out {
2095	my ($self) = @_;	2394	my ($self) = @_;
2096		2395
2097	# save first because save cedes
2098	$self->save;
2099
2100	my $lock = cf::lock_acquire "map_data:$self->{path}";	2396	my $lock = cf::lock_acquire "map_data:$self->{path}";
2101		2397
		2398	return if !$self->linkable;
		2399	return if $self->{deny_save};
2102	return if $self->players;	2400	return if $self->players;
2103	return if $self->in_memory != cf::MAP_IN_MEMORY;	2401
		2402	# first deactivate the map and "unlink" it from the core
		2403	$self->deactivate;
		2404	$_->clear_links_to ($self) for values %cf::MAP;
		2405	$self->state (cf::MAP_SWAPPED);
		2406
		2407	# then atomically save
		2408	$self->_save;
		2409
		2410	# then free the map
		2411	$self->clear;
		2412	}
		2413
		2414	sub reset_at {
		2415	my ($self) = @_;
		2416
		2417	# TODO: safety, remove and allow resettable per-player maps
2104	return if $self->{deny_save};	2418	return 1e99 if $self->{deny_reset};
2105		2419
		2420	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2421	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2422
		2423	$time + $to
		2424	}
		2425
		2426	sub should_reset {
		2427	my ($self) = @_;
		2428
		2429	$self->reset_at <= $cf::RUNTIME
		2430	}
		2431
		2432	sub reset {
		2433	my ($self) = @_;
		2434
		2435	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2436
		2437	return if $self->players;
		2438
		2439	cf::trace "resetting map ", $self->path, "\n";
		2440
2106	$self->in_memory (cf::MAP_SWAPPED);	2441	$self->state (cf::MAP_SWAPPED);
		2442
		2443	# need to save uniques path
		2444	unless ($self->{deny_save}) {
		2445	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2446
		2447	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2448	if $uniq;
		2449	}
		2450
		2451	delete $cf::MAP{$self->path};
2107		2452
2108	$self->deactivate;	2453	$self->deactivate;
2109	$_->clear_links_to ($self) for values %cf::MAP;	2454	$_->clear_links_to ($self) for values %cf::MAP;
2110	$self->clear;	2455	$self->clear;
2111	}
2112
2113	sub reset_at {
2114	my ($self) = @_;
2115
2116	# TODO: safety, remove and allow resettable per-player maps
2117	return 1e99 if $self->{deny_reset};
2118
2119	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2120	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2121
2122	$time + $to
2123	}
2124
2125	sub should_reset {
2126	my ($self) = @_;
2127
2128	$self->reset_at <= $cf::RUNTIME
2129	}
2130
2131	sub reset {
2132	my ($self) = @_;
2133
2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
2135
2136	return if $self->players;
2137
2138	warn "resetting map ", $self->path;
2139
2140	$self->in_memory (cf::MAP_SWAPPED);
2141
2142	# need to save uniques path
2143	unless ($self->{deny_save}) {
2144	my $uniq = $self->uniq_path; utf8::encode $uniq;
2145
2146	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2147	if $uniq;
2148	}
2149
2150	delete $cf::MAP{$self->path};
2151
2152	$self->deactivate;
2153	$_->clear_links_to ($self) for values %cf::MAP;
2154	$self->clear;
2155		2456
2156	$self->unlink_save;	2457	$self->unlink_save;
2157	$self->destroy;	2458	$self->destroy;
2158	}	2459	}
2159		2460
…		…
2167		2468
2168	delete $cf::MAP{$self->path};	2469	delete $cf::MAP{$self->path};
2169		2470
2170	$self->unlink_save;	2471	$self->unlink_save;
2171		2472
2172	bless $self, "cf::map";	2473	bless $self, "cf::map::wrap";
2173	delete $self->{deny_reset};	2474	delete $self->{deny_reset};
2174	$self->{deny_save} = 1;	2475	$self->{deny_save} = 1;
2175	$self->reset_timeout (1);	2476	$self->reset_timeout (1);
2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2477	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2177		2478
…		…
2226		2527
2227	sub unique_maps() {	2528	sub unique_maps() {
2228	[	2529	[
2229	map {	2530	map {
2230	utf8::decode $_;	2531	utf8::decode $_;
2231	/\.map$/	2532	s/\.map$//; # TODO future compatibility hack
		2533	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2534	? ()
2232	? normalise $_	2535	: normalise $_
2233	: ()
2234	} @{ aio_readdir $UNIQUEDIR or [] }	2536	} @{ aio_readdir $UNIQUEDIR or [] }
2235	]	2537	]
2236	}	2538	}
2237		2539
2238	package cf;	2540	=item cf::map::static_maps
		2541
		2542	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2543	file in the shared directory excluding F</styles> and F</editor>). May
		2544	block.
		2545
		2546	=cut
		2547
		2548	sub static_maps() {
		2549	my @dirs = "";
		2550	my @maps;
		2551
		2552	while (@dirs) {
		2553	my $dir = shift @dirs;
		2554
		2555	next if $dir eq "/styles" || $dir eq "/editor";
		2556
		2557	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2558	or return;
		2559
		2560	for (@$files) {
		2561	s/\.map$// or next;
		2562	utf8::decode $_;
		2563	push @maps, "$dir/$_";
		2564	}
		2565
		2566	push @dirs, map "$dir/$_", @$dirs;
		2567	}
		2568
		2569	\@maps
		2570	}
2239		2571
2240	=back	2572	=back
2241		2573
2242	=head3 cf::object	2574	=head3 cf::object
2243		2575
…		…
2247		2579
2248	=over 4	2580	=over 4
2249		2581
2250	=item $ob->inv_recursive	2582	=item $ob->inv_recursive
2251		2583
2252	Returns the inventory of the object _and_ their inventories, recursively.	2584	Returns the inventory of the object I<and> their inventories, recursively,
		2585	but I<not> the object itself.
2253		2586
2254	=cut	2587	=cut
2255		2588
2256	sub inv_recursive_;	2589	sub inv_recursive_;
2257	sub inv_recursive_ {	2590	sub inv_recursive_ {
…		…
2262	inv_recursive_ inv $_[0]	2595	inv_recursive_ inv $_[0]
2263	}	2596	}
2264		2597
2265	=item $ref = $ob->ref	2598	=item $ref = $ob->ref
2266		2599
2267	creates and returns a persistent reference to an objetc that can be stored as a string.	2600	Creates and returns a persistent reference to an object that can be stored as a string.
2268		2601
2269	=item $ob = cf::object::deref ($refstring)	2602	=item $ob = cf::object::deref ($refstring)
2270		2603
2271	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2604	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2272	even if the object actually exists. May block.	2605	even if the object actually exists. May block.
…		…
2274	=cut	2607	=cut
2275		2608
2276	sub deref {	2609	sub deref {
2277	my ($ref) = @_;	2610	my ($ref) = @_;
2278		2611
2279	# temporary compatibility#TODO#remove
2280	$ref =~ s{^<}{player/<};
2281
2282	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2612	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2283	my ($uuid, $name) = ($1, $2);	2613	my ($uuid, $name) = ($1, $2);
2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2614	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2285	or return;	2615	or return;
2286	$pl->ob->uuid eq $uuid	2616	$pl->ob->uuid eq $uuid
2287	or return;	2617	or return;
…		…
2307	can be C<undef>. Does the right thing when the player is currently in a	2637	can be C<undef>. Does the right thing when the player is currently in a
2308	dialogue with the given NPC character.	2638	dialogue with the given NPC character.
2309		2639
2310	=cut	2640	=cut
2311		2641
		2642	our $SAY_CHANNEL = {
		2643	id => "say",
		2644	title => "Map",
		2645	reply => "say ",
		2646	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2647	};
		2648
		2649	our $CHAT_CHANNEL = {
		2650	id => "chat",
		2651	title => "Chat",
		2652	reply => "chat ",
		2653	tooltip => "Player chat and shouts, global to the server.",
		2654	};
		2655
2312	# rough implementation of a future "reply" method that works	2656	# rough implementation of a future "reply" method that works
2313	# with dialog boxes.	2657	# with dialog boxes.
2314	#TODO: the first argument must go, split into a $npc->reply_to ( method	2658	#TODO: the first argument must go, split into a $npc->reply_to ( method
2315	sub cf::object::player::reply($$$;$) {	2659	sub cf::object::player::reply($$$;$) {
2316	my ($self, $npc, $msg, $flags) = @_;	2660	my ($self, $npc, $msg, $flags) = @_;
…		…
2327	my $dialog = $pl->{npc_dialog};	2671	my $dialog = $pl->{npc_dialog};
2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2672	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2329		2673
2330	} else {	2674	} else {
2331	$msg = $npc->name . " says: $msg" if $npc;	2675	$msg = $npc->name . " says: $msg" if $npc;
2332	$self->message ($msg, $flags);	2676	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2333	}	2677	}
2334	}	2678	}
2335	}	2679	}
2336		2680
2337	=item $object->send_msg ($channel, $msg, $color, [extra...])	2681	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2362		2706
2363	=item $player_object->enter_link	2707	=item $player_object->enter_link
2364		2708
2365	Freezes the player and moves him/her to a special map (C<{link}>).	2709	Freezes the player and moves him/her to a special map (C<{link}>).
2366		2710
2367	The player should be reasonably safe there for short amounts of time. You	2711	The player should be reasonably safe there for short amounts of time (e.g.
2368	I<MUST> call C<leave_link> as soon as possible, though.	2712	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2713	though, as the player cannot control the character while it is on the link
		2714	map.
2369		2715
2370	Will never block.	2716	Will never block.
2371		2717
2372	=item $player_object->leave_link ($map, $x, $y)	2718	=item $player_object->leave_link ($map, $x, $y)
2373		2719
…		…
2393	sub cf::object::player::enter_link {	2739	sub cf::object::player::enter_link {
2394	my ($self) = @_;	2740	my ($self) = @_;
2395		2741
2396	$self->deactivate_recursive;	2742	$self->deactivate_recursive;
2397		2743
		2744	++$self->{_link_recursion};
		2745
2398	return if UNIVERSAL::isa $self->map, "ext::map_link";	2746	return if UNIVERSAL::isa $self->map, "ext::map_link";
2399		2747
2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2748	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2401	if $self->map && $self->map->{path} ne "{link}";	2749	if $self->map && $self->map->{path} ne "{link}";
2402		2750
2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2751	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2404	}	2752	}
2405		2753
2406	sub cf::object::player::leave_link {	2754	sub cf::object::player::leave_link {
2407	my ($self, $map, $x, $y) = @_;	2755	my ($self, $map, $x, $y) = @_;
2408		2756
…		…
2425	($x, $y) = (-1, -1)	2773	($x, $y) = (-1, -1)
2426	unless (defined $x) && (defined $y);	2774	unless (defined $x) && (defined $y);
2427		2775
2428	# use -1 or undef as default coordinates, not 0, 0	2776	# use -1 or undef as default coordinates, not 0, 0
2429	($x, $y) = ($map->enter_x, $map->enter_y)	2777	($x, $y) = ($map->enter_x, $map->enter_y)
2430	if $x <=0 && $y <= 0;	2778	if $x <= 0 && $y <= 0;
2431		2779
2432	$map->load;	2780	$map->load;
2433	$map->load_neighbours;	2781	$map->load_neighbours;
2434		2782
2435	return unless $self->contr->active;	2783	return unless $self->contr->active;
2436	$self->activate_recursive;
2437		2784
2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2785	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2439	$self->enter_map ($map, $x, $y);	2786	if ($self->enter_map ($map, $x, $y)) {
2440	}	2787	# entering was successful
		2788	delete $self->{_link_recursion};
		2789	# only activate afterwards, to support waiting in hooks
		2790	$self->activate_recursive;
		2791	}
2441		2792
		2793	}
		2794
2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2795	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2443		2796
2444	Moves the player to the given map-path and coordinates by first freezing	2797	Moves the player to the given map-path and coordinates by first freezing
2445	her, loading and preparing them map, calling the provided $check callback	2798	her, loading and preparing them map, calling the provided $check callback
2446	that has to return the map if sucecssful, and then unfreezes the player on	2799	that has to return the map if sucecssful, and then unfreezes the player on
2447	the new (success) or old (failed) map position. In either case, $done will	2800	the new (success) or old (failed) map position. In either case, $done will
2448	be called at the end of this process.	2801	be called at the end of this process.
2449		2802
		2803	Note that $check will be called with a potentially non-loaded map, so if
		2804	it needs a loaded map it has to call C<< ->load >>.
		2805
2450	=cut	2806	=cut
2451		2807
2452	our $GOTOGEN;	2808	our $GOTOGEN;
2453		2809
2454	sub cf::object::player::goto {	2810	sub cf::object::player::goto {
2455	my ($self, $path, $x, $y, $check, $done) = @_;	2811	my ($self, $path, $x, $y, $check, $done) = @_;
2456		2812
		2813	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2814	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2815	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2816	($path, $x, $y) = @$EMERGENCY_POSITION;
		2817	}
		2818
2457	# do generation counting so two concurrent goto's will be executed in-order	2819	# do generation counting so two concurrent goto's will be executed in-order
2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2820	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2459		2821
2460	$self->enter_link;	2822	$self->enter_link;
2461		2823
2462	(async {	2824	(async {
		2825	$Coro::current->{desc} = "player::goto $path $x $y";
		2826
2463	# *tag paths override both path and x|y	2827	# *tag paths override both path and x|y
2464	if ($path =~ /^\*(.*)$/) {	2828	if ($path =~ /^\*(.*)$/) {
2465	if (my @obs = grep $_->map, ext::map_tags::find $1) {	2829	if (my @obs = grep $_->map, ext::map_tags::find $1) {
2466	my $ob = $obs[rand @obs];	2830	my $ob = $obs[rand @obs];
2467		2831
…		…
2478	($path, $x, $y) = (undef, undef, undef);	2842	($path, $x, $y) = (undef, undef, undef);
2479	}	2843	}
2480	}	2844	}
2481		2845
2482	my $map = eval {	2846	my $map = eval {
2483	my $map = defined $path ? cf::map::find $path : undef;	2847	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2484		2848
2485	if ($map) {	2849	if ($map) {
2486	$map = $map->customise_for ($self);	2850	$map = $map->customise_for ($self);
2487	$map = $check->($map) if $check && $map;	2851	$map = $check->($map, $x, $y, $self) if $check && $map;
2488	} else {	2852	} else {
2489	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2853	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2490	}	2854	}
2491		2855
2492	$map	2856	$map
…		…
2500	if ($gen == $self->{_goto_generation}) {	2864	if ($gen == $self->{_goto_generation}) {
2501	delete $self->{_goto_generation};	2865	delete $self->{_goto_generation};
2502	$self->leave_link ($map, $x, $y);	2866	$self->leave_link ($map, $x, $y);
2503	}	2867	}
2504		2868
2505	$done->() if $done;	2869	$done->($self) if $done;
2506	})->prio (1);	2870	})->prio (1);
2507	}	2871	}
2508		2872
2509	=item $player_object->enter_exit ($exit_object)	2873	=item $player_object->enter_exit ($exit_object)
2510		2874
…		…
2530	}	2894	}
2531		2895
2532	sub prepare_random_map {	2896	sub prepare_random_map {
2533	my ($exit) = @_;	2897	my ($exit) = @_;
2534		2898
2535	my $guard = cf::lock_acquire "exit_prepare:$exit";
2536
2537	# all this does is basically replace the /! path by	2899	# all this does is basically replace the /! path by
2538	# a new random map path (?random/...) with a seed	2900	# a new random map path (?random/...) with a seed
2539	# that depends on the exit object	2901	# that depends on the exit object
2540		2902
2541	my $rmp = parse_random_map_params $exit->msg;	2903	my $rmp = parse_random_map_params $exit->msg;
…		…
2543	if ($exit->map) {	2905	if ($exit->map) {
2544	$rmp->{region} = $exit->region->name;	2906	$rmp->{region} = $exit->region->name;
2545	$rmp->{origin_map} = $exit->map->path;	2907	$rmp->{origin_map} = $exit->map->path;
2546	$rmp->{origin_x} = $exit->x;	2908	$rmp->{origin_x} = $exit->x;
2547	$rmp->{origin_y} = $exit->y;	2909	$rmp->{origin_y} = $exit->y;
		2910
		2911	$exit->map->touch;
2548	}	2912	}
2549		2913
2550	$rmp->{random_seed} ||= $exit->random_seed;	2914	$rmp->{random_seed} ||= $exit->random_seed;
2551		2915
2552	my $data = cf::to_json $rmp;	2916	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2553	my $md5 = Digest::MD5::md5_hex $data;	2917	my $md5 = Digest::MD5::md5_hex $data;
2554	my $meta = "$RANDOMDIR/$md5.meta";	2918	my $meta = "$RANDOMDIR/$md5.meta";
2555		2919
2556	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2920	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2557	aio_write $fh, 0, (length $data), $data, 0;	2921	aio_write $fh, 0, (length $data), $data, 0;
2558	undef $fh;	2922	undef $fh;
2559	aio_rename "$meta~", $meta;	2923	aio_rename "$meta~", $meta;
2560		2924
		2925	my $slaying = "?random/$md5";
		2926
		2927	if ($exit->valid) {
2561	$exit->slaying ("?random/$md5");	2928	$exit->slaying ("?random/$md5");
2562	$exit->msg (undef);	2929	$exit->msg (undef);
		2930	}
2563	}	2931	}
2564	}	2932	}
2565		2933
2566	sub cf::object::player::enter_exit {	2934	sub cf::object::player::enter_exit {
2567	my ($self, $exit) = @_;	2935	my ($self, $exit) = @_;
2568		2936
2569	return unless $self->type == cf::PLAYER;	2937	return unless $self->type == cf::PLAYER;
2570		2938
2571	if ($exit->slaying eq "/!") {
2572	#TODO: this should de-fi-ni-te-ly not be a sync-job
2573	# the problem is that $exit might not survive long enough
2574	# so it needs to be done right now, right here
2575	cf::sync_job { prepare_random_map $exit };
2576	}
2577
2578	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2579	my $hp = $exit->stats->hp;
2580	my $sp = $exit->stats->sp;
2581
2582	$self->enter_link;	2939	$self->enter_link;
2583		2940
2584	# if exit is damned, update players death & WoR home-position
2585	$self->contr->savebed ($slaying, $hp, $sp)
2586	if $exit->flag (FLAG_DAMNED);
2587
2588	(async {	2941	(async {
2589	$self->deactivate_recursive; # just to be sure	2942	$Coro::current->{desc} = "enter_exit";
		2943
2590	unless (eval {	2944	unless (eval {
		2945	$self->deactivate_recursive; # just to be sure
		2946
		2947	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2948	my $x = $exit->stats->hp;
		2949	my $y = $exit->stats->sp;
		2950
		2951	# special map handling
		2952	my $slaying = $exit->slaying;
		2953
		2954	# special map handling
		2955	if ($slaying eq "/!") {
		2956	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2957
		2958	prepare_random_map $exit
		2959	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2960
		2961	$map = $exit->slaying;
		2962
		2963	} elsif ($slaying eq '!up') {
		2964	$map = $exit->map->tile_path (cf::TILE_UP);
		2965	$x = $exit->x;
		2966	$y = $exit->y;
		2967
		2968	} elsif ($slaying eq '!down') {
		2969	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2970	$x = $exit->x;
		2971	$y = $exit->y;
		2972	}
		2973
2591	$self->goto ($slaying, $hp, $sp);	2974	$self->goto ($map, $x, $y);
2592		2975
		2976	# if exit is damned, update players death & WoR home-position
		2977	$self->contr->savebed ($map, $x, $y)
		2978	if $exit->flag (cf::FLAG_DAMNED);
		2979
2593	1;	2980	1
2594	}) {	2981	}) {
2595	$self->message ("Something went wrong deep within the crossfire server. "	2982	$self->message ("Something went wrong deep within the deliantra server. "
2596	. "I'll try to bring you back to the map you were before. "	2983	. "I'll try to bring you back to the map you were before. "
2597	. "Please report this to the dungeon master!",	2984	. "Please report this to the dungeon master!",
2598	cf::NDI_UNIQUE | cf::NDI_RED);	2985	cf::NDI_UNIQUE | cf::NDI_RED);
2599		2986
2600	warn "ERROR in enter_exit: $@";	2987	error "ERROR in enter_exit: $@";
2601	$self->leave_link;	2988	$self->leave_link;
2602	}	2989	}
2603	})->prio (1);	2990	})->prio (1);
2604	}	2991	}
2605		2992
…		…
2617	sub cf::client::send_drawinfo {	3004	sub cf::client::send_drawinfo {
2618	my ($self, $text, $flags) = @_;	3005	my ($self, $text, $flags) = @_;
2619		3006
2620	utf8::encode $text;	3007	utf8::encode $text;
2621	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3008	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3009	}
		3010
		3011	=item $client->send_big_packet ($pkt)
		3012
		3013	Like C<send_packet>, but tries to compress large packets, and fragments
		3014	them as required.
		3015
		3016	=cut
		3017
		3018	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3019
		3020	sub cf::client::send_big_packet {
		3021	my ($self, $pkt) = @_;
		3022
		3023	# try lzf for large packets
		3024	$pkt = "lzf " . Compress::LZF::compress $pkt
		3025	if 1024 <= length $pkt and $self->{can_lzf};
		3026
		3027	# split very large packets
		3028	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3029	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3030	$pkt = "frag";
		3031	}
		3032
		3033	$self->send_packet ($pkt);
2622	}	3034	}
2623		3035
2624	=item $client->send_msg ($channel, $msg, $color, [extra...])	3036	=item $client->send_msg ($channel, $msg, $color, [extra...])
2625		3037
2626	Send a drawinfo or msg packet to the client, formatting the msg for the	3038	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2628	the message, with C<log> being the default. If C<$color> is negative, suppress	3040	the message, with C<log> being the default. If C<$color> is negative, suppress
2629	the message unless the client supports the msg packet.	3041	the message unless the client supports the msg packet.
2630		3042
2631	=cut	3043	=cut
2632		3044
		3045	# non-persistent channels (usually the info channel)
2633	our %CHANNEL = (	3046	our %CHANNEL = (
		3047	"c/motd" => {
		3048	id => "infobox",
		3049	title => "MOTD",
		3050	reply => undef,
		3051	tooltip => "The message of the day",
		3052	},
2634	"c/identify" => {	3053	"c/identify" => {
2635	id => "identify",	3054	id => "infobox",
2636	title => "Identify",	3055	title => "Identify",
2637	reply => undef,	3056	reply => undef,
2638	tooltip => "Items recently identified",	3057	tooltip => "Items recently identified",
2639	},	3058	},
2640	"c/examine" => {	3059	"c/examine" => {
2641	id => "examine",	3060	id => "infobox",
2642	title => "Examine",	3061	title => "Examine",
2643	reply => undef,	3062	reply => undef,
2644	tooltip => "Signs and other items you examined",	3063	tooltip => "Signs and other items you examined",
2645	},	3064	},
		3065	"c/shopinfo" => {
		3066	id => "infobox",
		3067	title => "Shop Info",
		3068	reply => undef,
		3069	tooltip => "What your bargaining skill tells you about the shop",
		3070	},
		3071	"c/book" => {
		3072	id => "infobox",
		3073	title => "Book",
		3074	reply => undef,
		3075	tooltip => "The contents of a note or book",
		3076	},
		3077	"c/lookat" => {
		3078	id => "infobox",
		3079	title => "Look",
		3080	reply => undef,
		3081	tooltip => "What you saw there",
		3082	},
		3083	"c/who" => {
		3084	id => "infobox",
		3085	title => "Players",
		3086	reply => undef,
		3087	tooltip => "Shows players who are currently online",
		3088	},
		3089	"c/body" => {
		3090	id => "infobox",
		3091	title => "Body Parts",
		3092	reply => undef,
		3093	tooltip => "Shows which body parts you posess and are available",
		3094	},
		3095	"c/statistics" => {
		3096	id => "infobox",
		3097	title => "Statistics",
		3098	reply => undef,
		3099	tooltip => "Shows your primary statistics",
		3100	},
		3101	"c/skills" => {
		3102	id => "infobox",
		3103	title => "Skills",
		3104	reply => undef,
		3105	tooltip => "Shows your experience per skill and item power",
		3106	},
		3107	"c/shopitems" => {
		3108	id => "infobox",
		3109	title => "Shop Items",
		3110	reply => undef,
		3111	tooltip => "Shows the items currently for sale in this shop",
		3112	},
		3113	"c/resistances" => {
		3114	id => "infobox",
		3115	title => "Resistances",
		3116	reply => undef,
		3117	tooltip => "Shows your resistances",
		3118	},
		3119	"c/pets" => {
		3120	id => "infobox",
		3121	title => "Pets",
		3122	reply => undef,
		3123	tooltip => "Shows information abotu your pets/a specific pet",
		3124	},
		3125	"c/perceiveself" => {
		3126	id => "infobox",
		3127	title => "Perceive Self",
		3128	reply => undef,
		3129	tooltip => "You gained detailed knowledge about yourself",
		3130	},
		3131	"c/uptime" => {
		3132	id => "infobox",
		3133	title => "Uptime",
		3134	reply => undef,
		3135	tooltip => "How long the server has been running since last restart",
		3136	},
		3137	"c/mapinfo" => {
		3138	id => "infobox",
		3139	title => "Map Info",
		3140	reply => undef,
		3141	tooltip => "Information related to the maps",
		3142	},
		3143	"c/party" => {
		3144	id => "party",
		3145	title => "Party",
		3146	reply => "gsay ",
		3147	tooltip => "Messages and chat related to your party",
		3148	},
		3149	"c/death" => {
		3150	id => "death",
		3151	title => "Death",
		3152	reply => undef,
		3153	tooltip => "Reason for and more info about your most recent death",
		3154	},
		3155	"c/say" => $SAY_CHANNEL,
		3156	"c/chat" => $CHAT_CHANNEL,
2646	);	3157	);
2647		3158
2648	sub cf::client::send_msg {	3159	sub cf::client::send_msg {
2649	my ($self, $channel, $msg, $color, @extra) = @_;	3160	my ($self, $channel, $msg, $color, @extra) = @_;
2650		3161
2651	$msg = $self->pl->expand_cfpod ($msg);	3162	$msg = $self->pl->expand_cfpod ($msg)
		3163	unless $color & cf::NDI_VERBATIM;
2652		3164
2653	$color &= cf::NDI_CLIENT_MASK; # just in case...	3165	$color &= cf::NDI_CLIENT_MASK; # just in case...
2654		3166
2655	# check predefined channels, for the benefit of C	3167	# check predefined channels, for the benefit of C
2656	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	3168	if ($CHANNEL{$channel}) {
		3169	$channel = $CHANNEL{$channel};
2657		3170
		3171	$self->ext_msg (channel_info => $channel);
		3172	$channel = $channel->{id};
		3173
2658	if (ref $channel) {	3174	} elsif (ref $channel) {
2659	# send meta info to client, if not yet sent	3175	# send meta info to client, if not yet sent
2660	unless (exists $self->{channel}{$channel->{id}}) {	3176	unless (exists $self->{channel}{$channel->{id}}) {
2661	$self->{channel}{$channel->{id}} = $channel;	3177	$self->{channel}{$channel->{id}} = $channel;
2662	$self->ext_msg (channel_info => $channel)	3178	$self->ext_msg (channel_info => $channel);
2663	if $self->can_msg;
2664	}	3179	}
2665		3180
2666	$channel = $channel->{id};	3181	$channel = $channel->{id};
2667	}	3182	}
2668		3183
2669	return unless @extra || length $msg;	3184	return unless @extra || length $msg;
2670		3185
2671	if ($self->can_msg) {
2672	# default colour, mask it out	3186	# default colour, mask it out
2673	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3187	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2674	if $color & cf::NDI_DEF;	3188	if $color & cf::NDI_DEF;
2675		3189
2676	$self->send_packet ("msg " . $self->{json_coder}->encode (	3190	my $pkt = "msg "
		3191	. $self->{json_coder}->encode (
2677	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3192	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2678	} else {	3193	);
2679	if ($color >= 0) {
2680	# replace some tags by gcfclient-compatible ones
2681	for ($msg) {
2682	1 while
2683	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2684	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2685	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2686	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2687	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2688	}
2689		3194
2690	$color &= cf::NDI_COLOR_MASK;	3195	$self->send_big_packet ($pkt);
2691
2692	utf8::encode $msg;
2693
2694	if (0 && $msg =~ /\[/) {
2695	# COMMAND/INFO
2696	$self->send_packet ("drawextinfo $color 10 8 $msg")
2697	} else {
2698	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2699	$self->send_packet ("drawinfo $color $msg")
2700	}
2701	}
2702	}
2703	}	3196	}
2704		3197
2705	=item $client->ext_msg ($type, @msg)	3198	=item $client->ext_msg ($type, @msg)
2706		3199
2707	Sends an ext event to the client.	3200	Sends an ext event to the client.
…		…
2710		3203
2711	sub cf::client::ext_msg($$@) {	3204	sub cf::client::ext_msg($$@) {
2712	my ($self, $type, @msg) = @_;	3205	my ($self, $type, @msg) = @_;
2713		3206
2714	if ($self->extcmd == 2) {	3207	if ($self->extcmd == 2) {
2715	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3208	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2716	} elsif ($self->extcmd == 1) { # TODO: remove	3209	} elsif ($self->extcmd == 1) { # TODO: remove
2717	push @msg, msgtype => "event_$type";	3210	push @msg, msgtype => "event_$type";
2718	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3211	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2719	}	3212	}
2720	}	3213	}
2721		3214
2722	=item $client->ext_reply ($msgid, @msg)	3215	=item $client->ext_reply ($msgid, @msg)
2723		3216
…		…
2727		3220
2728	sub cf::client::ext_reply($$@) {	3221	sub cf::client::ext_reply($$@) {
2729	my ($self, $id, @msg) = @_;	3222	my ($self, $id, @msg) = @_;
2730		3223
2731	if ($self->extcmd == 2) {	3224	if ($self->extcmd == 2) {
2732	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3225	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2733	} elsif ($self->extcmd == 1) {	3226	} elsif ($self->extcmd == 1) {
2734	#TODO: version 1, remove	3227	#TODO: version 1, remove
2735	unshift @msg, msgtype => "reply", msgid => $id;	3228	unshift @msg, msgtype => "reply", msgid => $id;
2736	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3229	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2737	}	3230	}
2738	}	3231	}
2739		3232
2740	=item $success = $client->query ($flags, "text", \&cb)	3233	=item $success = $client->query ($flags, "text", \&cb)
2741		3234
…		…
2812		3305
2813	$ns->ext_reply ($reply, @reply)	3306	$ns->ext_reply ($reply, @reply)
2814	if $reply;	3307	if $reply;
2815		3308
2816	} else {	3309	} else {
2817	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3310	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2818	}	3311	}
2819		3312
2820	cf::override;	3313	cf::override;
2821	},	3314	},
2822	);	3315	);
…		…
2842		3335
2843	$coro	3336	$coro
2844	}	3337	}
2845		3338
2846	cf::client->attach (	3339	cf::client->attach (
2847	on_destroy => sub {	3340	on_client_destroy => sub {
2848	my ($ns) = @_;	3341	my ($ns) = @_;
2849		3342
2850	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3343	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2851	},	3344	},
2852	);	3345	);
…		…
2868	our $safe_hole = new Safe::Hole;	3361	our $safe_hole = new Safe::Hole;
2869		3362
2870	$SIG{FPE} = 'IGNORE';	3363	$SIG{FPE} = 'IGNORE';
2871		3364
2872	$safe->permit_only (Opcode::opset qw(	3365	$safe->permit_only (Opcode::opset qw(
2873	:base_core :base_mem :base_orig :base_math	3366	:base_core :base_mem :base_orig :base_math :base_loop
2874	grepstart grepwhile mapstart mapwhile	3367	grepstart grepwhile mapstart mapwhile
2875	sort time	3368	sort time
2876	));	3369	));
2877		3370
2878	# here we export the classes and methods available to script code	3371	# here we export the classes and methods available to script code
…		…
2880	=pod	3373	=pod
2881		3374
2882	The following functions and methods are available within a safe environment:	3375	The following functions and methods are available within a safe environment:
2883		3376
2884	cf::object	3377	cf::object
2885	contr pay_amount pay_player map x y force_find force_add	3378	contr pay_amount pay_player map x y force_find force_add destroy
2886	insert remove name archname title slaying race decrease_ob_nr	3379	insert remove name archname title slaying race decrease split
		3380	value
2887		3381
2888	cf::object::player	3382	cf::object::player
2889	player	3383	player
2890		3384
2891	cf::player	3385	cf::player
…		…
2896		3390
2897	=cut	3391	=cut
2898		3392
2899	for (	3393	for (
2900	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3394	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2901	insert remove inv name archname title slaying race	3395	insert remove inv nrof name archname title slaying race
2902	decrease_ob_nr)],	3396	decrease split destroy change_exp value msg lore send_msg)],
2903	["cf::object::player" => qw(player)],	3397	["cf::object::player" => qw(player)],
2904	["cf::player" => qw(peaceful)],	3398	["cf::player" => qw(peaceful send_msg)],
2905	["cf::map" => qw(trigger)],	3399	["cf::map" => qw(trigger)],
2906	) {	3400	) {
2907	no strict 'refs';
2908	my ($pkg, @funs) = @$_;	3401	my ($pkg, @funs) = @$_;
2909	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3402	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2910	for @funs;	3403	for @funs;
2911	}	3404	}
2912		3405
…		…
2927		3420
2928	my $qcode = $code;	3421	my $qcode = $code;
2929	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3422	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2930	$qcode =~ s/\n/\\n/g;	3423	$qcode =~ s/\n/\\n/g;
2931		3424
		3425	%vars = (_dummy => 0) unless %vars;
		3426
		3427	my @res;
2932	local $_;	3428	local $_;
2933	local @safe::cf::_safe_eval_args = values %vars;
2934		3429
2935	my $eval =	3430	my $eval =
2936	"do {\n"	3431	"do {\n"
2937	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3432	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2938	. "#line 0 \"{$qcode}\"\n"	3433	. "#line 0 \"{$qcode}\"\n"
2939	. $code	3434	. $code
2940	. "\n}"	3435	. "\n}"
2941	;	3436	;
2942		3437
		3438	if ($CFG{safe_eval}) {
2943	sub_generation_inc;	3439	sub_generation_inc;
		3440	local @safe::cf::_safe_eval_args = values %vars;
2944	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3441	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2945	sub_generation_inc;	3442	sub_generation_inc;
		3443	} else {
		3444	local @cf::_safe_eval_args = values %vars;
		3445	@res = wantarray ? eval eval : scalar eval $eval;
		3446	}
2946		3447
2947	if ($@) {	3448	if ($@) {
2948	warn "$@";	3449	warn "$@",
2949	warn "while executing safe code '$code'\n";	3450	"while executing safe code '$code'\n",
2950	warn "with arguments " . (join " ", %vars) . "\n";	3451	"with arguments " . (join " ", %vars) . "\n";
2951	}	3452	}
2952		3453
2953	wantarray ? @res : $res[0]	3454	wantarray ? @res : $res[0]
2954	}	3455	}
2955		3456
…		…
2969	=cut	3470	=cut
2970		3471
2971	sub register_script_function {	3472	sub register_script_function {
2972	my ($fun, $cb) = @_;	3473	my ($fun, $cb) = @_;
2973		3474
2974	no strict 'refs';	3475	$fun = "safe::$fun" if $CFG{safe_eval};
2975	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3476	*$fun = $safe_hole->wrap ($cb);
2976	}	3477	}
2977		3478
2978	=back	3479	=back
2979		3480
2980	=cut	3481	=cut
…		…
2989	# for this (global event?)	3490	# for this (global event?)
2990	%ext::player_env::MUSIC_FACE_CACHE = ();	3491	%ext::player_env::MUSIC_FACE_CACHE = ();
2991		3492
2992	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3493	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2993		3494
2994	warn "loading facedata from $path\n";	3495	trace "loading facedata from $path\n";
2995		3496
2996	my $facedata;	3497	my $facedata = decode_storable load_file $path;
2997	0 < aio_load $path, $facedata
2998	or die "$path: $!";
2999
3000	$facedata = Coro::Storable::thaw $facedata;
3001		3498
3002	$facedata->{version} == 2	3499	$facedata->{version} == 2
3003	or cf::cleanup "$path: version mismatch, cannot proceed.";	3500	or cf::cleanup "$path: version mismatch, cannot proceed.";
3004		3501
3005	# patch in the exptable	3502	# patch in the exptable
		3503	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3006	$facedata->{resource}{"res/exp_table"} = {	3504	$facedata->{resource}{"res/exp_table"} = {
3007	type => FT_RSRC,	3505	type => FT_RSRC,
3008	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3506	data => $exp_table,
		3507	hash => (Digest::MD5::md5 $exp_table),
3009	};	3508	};
3010	cf::cede_to_tick;	3509	cf::cede_to_tick;
3011		3510
3012	{	3511	{
3013	my $faces = $facedata->{faceinfo};	3512	my $faces = $facedata->{faceinfo};
3014		3513
3015	while (my ($face, $info) = each %$faces) {	3514	while (my ($face, $info) = each %$faces) {
3016	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3515	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3516
3017	cf::face::set_visibility $idx, $info->{visibility};	3517	cf::face::set_visibility $idx, $info->{visibility};
3018	cf::face::set_magicmap $idx, $info->{magicmap};	3518	cf::face::set_magicmap $idx, $info->{magicmap};
3019	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3519	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3020	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3520	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3521	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3021		3522
3022	cf::cede_to_tick;	3523	cf::cede_to_tick;
3023	}	3524	}
3024		3525
3025	while (my ($face, $info) = each %$faces) {	3526	while (my ($face, $info) = each %$faces) {
3026	next unless $info->{smooth};	3527	next unless $info->{smooth};
		3528
3027	my $idx = cf::face::find $face	3529	my $idx = cf::face::find $face
3028	or next;	3530	or next;
		3531
3029	if (my $smooth = cf::face::find $info->{smooth}) {	3532	if (my $smooth = cf::face::find $info->{smooth}) {
3030	cf::face::set_smooth $idx, $smooth;	3533	cf::face::set_smooth $idx, $smooth;
3031	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3534	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3032	} else {	3535	} else {
3033	warn "smooth face '$info->{smooth}' not found for face '$face'";	3536	error "smooth face '$info->{smooth}' not found for face '$face'";
3034	}	3537	}
3035		3538
3036	cf::cede_to_tick;	3539	cf::cede_to_tick;
3037	}	3540	}
3038	}	3541	}
…		…
3047		3550
3048	cf::anim::invalidate_all; # d'oh	3551	cf::anim::invalidate_all; # d'oh
3049	}	3552	}
3050		3553
3051	{	3554	{
3052	# TODO: for gcfclient pleasure, we should give resources
3053	# that gcfclient doesn't grok a >10000 face index.
3054	my $res = $facedata->{resource};	3555	my $res = $facedata->{resource};
3055		3556
3056	my $soundconf = delete $res->{"res/sound.conf"};
3057
3058	while (my ($name, $info) = each %$res) {	3557	while (my ($name, $info) = each %$res) {
		3558	if (defined $info->{type}) {
3059	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3559	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3060	my $data;
3061		3560
3062	if ($info->{type} & 1) {	3561	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3063	# prepend meta info	3562	cf::face::set_type $idx, $info->{type};
3064
3065	my $meta = $enc->encode ({
3066	name => $name,
3067	%{ $info->{meta} || {} },
3068	});
3069
3070	$data = pack "(w/a*)*", $meta, $info->{data};
3071	} else {	3563	} else {
3072	$data = $info->{data};	3564	$RESOURCE{$name} = $info; # unused
3073	}	3565	}
3074		3566
3075	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3076	cf::face::set_type $idx, $info->{type};
3077
3078	cf::cede_to_tick;	3567	cf::cede_to_tick;
3079	}	3568	}
3080
3081	if ($soundconf) {
3082	$soundconf = $enc->decode (delete $soundconf->{data});
3083
3084	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3085	my $sound = $soundconf->{compat}[$_]
3086	or next;
3087
3088	my $face = cf::face::find "sound/$sound->[1]";
3089	cf::sound::set $sound->[0] => $face;
3090	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3091	}
3092
3093	while (my ($k, $v) = each %{$soundconf->{event}}) {
3094	my $face = cf::face::find "sound/$v";
3095	cf::sound::set $k => $face;
3096	}
3097	}
3098	}	3569	}
		3570
		3571	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3099		3572
3100	1	3573	1
3101	}	3574	}
3102		3575
3103	register_exticmd fx_want => sub {	3576	register_exticmd fx_want => sub {
…		…
3105		3578
3106	while (my ($k, $v) = each %$want) {	3579	while (my ($k, $v) = each %$want) {
3107	$ns->fx_want ($k, $v);	3580	$ns->fx_want ($k, $v);
3108	}	3581	}
3109	};	3582	};
		3583
		3584	sub load_resource_file($) {
		3585	my $guard = lock_acquire "load_resource_file";
		3586
		3587	my $status = load_resource_file_ $_[0];
		3588	get_slot 0.1, 100;
		3589	cf::arch::commit_load;
		3590
		3591	$status
		3592	}
3110		3593
3111	sub reload_regions {	3594	sub reload_regions {
3112	# HACK to clear player env face cache, we need some signal framework	3595	# HACK to clear player env face cache, we need some signal framework
3113	# for this (global event?)	3596	# for this (global event?)
3114	%ext::player_env::MUSIC_FACE_CACHE = ();	3597	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3128	}	3611	}
3129		3612
3130	sub reload_archetypes {	3613	sub reload_archetypes {
3131	load_resource_file "$DATADIR/archetypes"	3614	load_resource_file "$DATADIR/archetypes"
3132	or die "unable to load archetypes\n";	3615	or die "unable to load archetypes\n";
3133	#d# NEED to laod twice to resolve forward references
3134	# this really needs to be done in an extra post-pass
3135	# (which needs to be synchronous, so solve it differently)
3136	load_resource_file "$DATADIR/archetypes"
3137	or die "unable to load archetypes\n";
3138	}	3616	}
3139		3617
3140	sub reload_treasures {	3618	sub reload_treasures {
3141	load_resource_file "$DATADIR/treasures"	3619	load_resource_file "$DATADIR/treasures"
3142	or die "unable to load treasurelists\n";	3620	or die "unable to load treasurelists\n";
3143	}	3621	}
3144		3622
		3623	sub reload_sound {
		3624	trace "loading sound config from $DATADIR/sound\n";
		3625
		3626	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3627
		3628	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3629	my $sound = $soundconf->{compat}[$_]
		3630	or next;
		3631
		3632	my $face = cf::face::find "sound/$sound->[1]";
		3633	cf::sound::set $sound->[0] => $face;
		3634	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3635	}
		3636
		3637	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3638	my $face = cf::face::find "sound/$v";
		3639	cf::sound::set $k => $face;
		3640	}
		3641	}
		3642
3145	sub reload_resources {	3643	sub reload_resources {
3146	warn "reloading resource files...\n";	3644	trace "reloading resource files...\n";
3147		3645
		3646	reload_exp_table;
		3647	reload_materials;
		3648	reload_facedata;
		3649	reload_sound;
		3650	reload_archetypes;
3148	reload_regions;	3651	reload_regions;
3149	reload_facedata;
3150	#reload_archetypes;#d#
3151	reload_archetypes;
3152	reload_treasures;	3652	reload_treasures;
3153		3653
3154	warn "finished reloading resource files\n";	3654	trace "finished reloading resource files\n";
3155	}
3156
3157	sub init {
3158	reload_resources;
3159	}	3655	}
3160		3656
3161	sub reload_config {	3657	sub reload_config {
3162	open my $fh, "<:utf8", "$CONFDIR/config"	3658	trace "reloading config file...\n";
3163	or return;
3164		3659
3165	local $/;	3660	my $config = load_file "$CONFDIR/config";
3166	*CFG = YAML::Syck::Load <$fh>;	3661	utf8::decode $config;
		3662	*CFG = decode_yaml $config;
3167		3663
3168	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3664	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3169		3665
3170	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3666	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3171	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3667	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3172		3668
3173	if (exists $CFG{mlockall}) {	3669	if (exists $CFG{mlockall}) {
…		…
3177	};	3673	};
3178	warn $@ if $@;	3674	warn $@ if $@;
3179	}	3675	}
3180	}	3676	}
3181		3677
		3678	sub pidfile() {
		3679	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3680	or die "$PIDFILE: $!";
		3681	flock $fh, &Fcntl::LOCK_EX
		3682	or die "$PIDFILE: flock: $!";
		3683	$fh
		3684	}
		3685
		3686	# make sure only one server instance is running at any one time
		3687	sub atomic {
		3688	my $fh = pidfile;
		3689
		3690	my $pid = <$fh>;
		3691	kill 9, $pid if $pid > 0;
		3692
		3693	seek $fh, 0, 0;
		3694	print $fh $$;
		3695	}
		3696
		3697	sub main_loop {
		3698	trace "EV::loop starting\n";
		3699	if (1) {
		3700	EV::loop;
		3701	}
		3702	trace "EV::loop returned\n";
		3703	goto &main_loop unless $REALLY_UNLOOP;
		3704	}
		3705
3182	sub main {	3706	sub main {
		3707	cf::init_globals; # initialise logging
		3708
		3709	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3710	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3711	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3712	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3713
		3714	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3715
3183	# we must not ever block the main coroutine	3716	# we must not ever block the main coroutine
3184	local $Coro::idle = sub {	3717	local $Coro::idle = sub {
3185	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3718	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3186	(async {	3719	(async {
3187	Event::one_event;	3720	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3721	EV::loop EV::LOOP_ONESHOT;
3188	})->prio (Coro::PRIO_MAX);	3722	})->prio (Coro::PRIO_MAX);
3189	};	3723	};
3190		3724
		3725	evthread_start IO::AIO::poll_fileno;
		3726
		3727	cf::sync_job {
		3728	cf::incloader::init ();
		3729
		3730	cf::init_anim;
		3731	cf::init_attackmess;
		3732	cf::init_dynamic;
		3733
		3734	cf::load_settings;
		3735
		3736	reload_resources;
3191	reload_config;	3737	reload_config;
3192	db_init;	3738	db_init;
		3739
		3740	cf::init_uuid;
		3741	cf::init_signals;
		3742	cf::init_skills;
		3743
		3744	cf::init_beforeplay;
		3745
		3746	atomic;
		3747
3193	load_extensions;	3748	load_extensions;
3194		3749
3195	$TICK_WATCHER->start;	3750	utime time, time, $RUNTIMEFILE;
3196	Event::loop;	3751
		3752	# no (long-running) fork's whatsoever before this point(!)
		3753	use POSIX ();
		3754	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3755
		3756	cf::_post_init 0;
		3757	};
		3758
		3759	cf::object::thawer::errors_are_fatal 0;
		3760	info "parse errors in files are no longer fatal from this point on.\n";
		3761
		3762	my $free_main; $free_main = EV::idle sub {
		3763	undef $free_main;
		3764	undef &main; # free gobs of memory :)
		3765	};
		3766
		3767	goto &main_loop;
3197	}	3768	}
3198		3769
3199	#############################################################################	3770	#############################################################################
3200	# initialisation and cleanup	3771	# initialisation and cleanup
3201		3772
3202	# install some emergency cleanup handlers	3773	# install some emergency cleanup handlers
3203	BEGIN {	3774	BEGIN {
		3775	our %SIGWATCHER = ();
3204	for my $signal (qw(INT HUP TERM)) {	3776	for my $signal (qw(INT HUP TERM)) {
3205	Event->signal (	3777	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3206	reentrant => 0,
3207	data => WF_AUTOCANCEL,
3208	signal => $signal,
3209	prio => 0,
3210	cb => sub {
3211	cf::cleanup "SIG$signal";	3778	cf::cleanup "SIG$signal";
3212	},
3213	);	3779	};
3214	}	3780	}
3215	}	3781	}
3216		3782
3217	sub write_runtime {	3783	sub write_runtime_sync {
3218	my $runtime = "$LOCALDIR/runtime";	3784	my $t0 = AE::time;
3219		3785
3220	# first touch the runtime file to show we are still running:	3786	# first touch the runtime file to show we are still running:
3221	# the fsync below can take a very very long time.	3787	# the fsync below can take a very very long time.
3222		3788
3223	IO::AIO::aio_utime $runtime, undef, undef;	3789	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3224		3790
3225	my $guard = cf::lock_acquire "write_runtime";	3791	my $guard = cf::lock_acquire "write_runtime";
3226		3792
3227	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3793	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3228	or return;	3794	or return;
3229		3795
3230	my $value = $cf::RUNTIME + 90 + 10;	3796	my $value = $cf::RUNTIME + 90 + 10;
3231	# 10 is the runtime save interval, for a monotonic clock	3797	# 10 is the runtime save interval, for a monotonic clock
3232	# 60 allows for the watchdog to kill the server.	3798	# 60 allows for the watchdog to kill the server.
…		…
3242	aio_utime $fh, undef, undef;	3808	aio_utime $fh, undef, undef;
3243		3809
3244	close $fh	3810	close $fh
3245	or return;	3811	or return;
3246		3812
3247	aio_rename "$runtime~", $runtime	3813	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3248	and return;	3814	and return;
3249		3815
3250	warn "runtime file written.\n";	3816	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3251		3817
3252	1	3818	1
		3819	}
		3820
		3821	our $uuid_lock;
		3822	our $uuid_skip;
		3823
		3824	sub write_uuid_sync($) {
		3825	$uuid_skip ||= $_[0];
		3826
		3827	return if $uuid_lock;
		3828	local $uuid_lock = 1;
		3829
		3830	my $uuid = "$LOCALDIR/uuid";
		3831
		3832	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3833	or return;
		3834
		3835	my $value = uuid_seq uuid_cur;
		3836
		3837	unless ($value) {
		3838	info "cowardly refusing to write zero uuid value!\n";
		3839	return;
		3840	}
		3841
		3842	my $value = uuid_str $value + $uuid_skip;
		3843	$uuid_skip = 0;
		3844
		3845	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3846	and return;
		3847
		3848	# always fsync - this file is important
		3849	aio_fsync $fh
		3850	and return;
		3851
		3852	close $fh
		3853	or return;
		3854
		3855	aio_rename "$uuid~", $uuid
		3856	and return;
		3857
		3858	trace "uuid file written ($value).\n";
		3859
		3860	1
		3861
		3862	}
		3863
		3864	sub write_uuid($$) {
		3865	my ($skip, $sync) = @_;
		3866
		3867	$sync ? write_uuid_sync $skip
		3868	: async { write_uuid_sync $skip };
3253	}	3869	}
3254		3870
3255	sub emergency_save() {	3871	sub emergency_save() {
3256	my $freeze_guard = cf::freeze_mainloop;	3872	my $freeze_guard = cf::freeze_mainloop;
3257		3873
3258	warn "enter emergency perl save\n";	3874	info "emergency_perl_save: enter\n";
		3875
		3876	# this is a trade-off: we want to be very quick here, so
		3877	# save all maps without fsync, and later call a global sync
		3878	# (which in turn might be very very slow)
		3879	local $USE_FSYNC = 0;
3259		3880
3260	cf::sync_job {	3881	cf::sync_job {
		3882	cf::write_runtime_sync; # external watchdog should not bark
		3883
3261	# use a peculiar iteration method to avoid tripping on perl	3884	# use a peculiar iteration method to avoid tripping on perl
3262	# refcount bugs in for. also avoids problems with players	3885	# refcount bugs in for. also avoids problems with players
3263	# and maps saved/destroyed asynchronously.	3886	# and maps saved/destroyed asynchronously.
3264	warn "begin emergency player save\n";	3887	info "emergency_perl_save: begin player save\n";
3265	for my $login (keys %cf::PLAYER) {	3888	for my $login (keys %cf::PLAYER) {
3266	my $pl = $cf::PLAYER{$login} or next;	3889	my $pl = $cf::PLAYER{$login} or next;
3267	$pl->valid or next;	3890	$pl->valid or next;
		3891	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3268	$pl->save;	3892	$pl->save;
3269	}	3893	}
3270	warn "end emergency player save\n";	3894	info "emergency_perl_save: end player save\n";
3271		3895
3272	warn "begin emergency map save\n";	3896	cf::write_runtime_sync; # external watchdog should not bark
		3897
		3898	info "emergency_perl_save: begin map save\n";
3273	for my $path (keys %cf::MAP) {	3899	for my $path (keys %cf::MAP) {
3274	my $map = $cf::MAP{$path} or next;	3900	my $map = $cf::MAP{$path} or next;
3275	$map->valid or next;	3901	$map->valid or next;
3276	$map->save;	3902	$map->save;
3277	}	3903	}
3278	warn "end emergency map save\n";	3904	info "emergency_perl_save: end map save\n";
3279		3905
3280	warn "begin emergency database checkpoint\n";	3906	cf::write_runtime_sync; # external watchdog should not bark
		3907
		3908	info "emergency_perl_save: begin database checkpoint\n";
3281	BDB::db_env_txn_checkpoint $DB_ENV;	3909	BDB::db_env_txn_checkpoint $DB_ENV;
3282	warn "end emergency database checkpoint\n";	3910	info "emergency_perl_save: end database checkpoint\n";
		3911
		3912	info "emergency_perl_save: begin write uuid\n";
		3913	write_uuid_sync 1;
		3914	info "emergency_perl_save: end write uuid\n";
		3915
		3916	cf::write_runtime_sync; # external watchdog should not bark
		3917
		3918	trace "emergency_perl_save: syncing database to disk";
		3919	BDB::db_env_txn_checkpoint $DB_ENV;
		3920
		3921	info "emergency_perl_save: starting sync\n";
		3922	IO::AIO::aio_sync sub {
		3923	info "emergency_perl_save: finished sync\n";
		3924	};
		3925
		3926	cf::write_runtime_sync; # external watchdog should not bark
		3927
		3928	trace "emergency_perl_save: flushing outstanding aio requests";
		3929	while (IO::AIO::nreqs || BDB::nreqs) {
		3930	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3931	}
		3932
		3933	cf::write_runtime_sync; # external watchdog should not bark
3283	};	3934	};
3284		3935
3285	warn "leave emergency perl save\n";	3936	info "emergency_perl_save: leave\n";
3286	}	3937	}
3287		3938
3288	sub post_cleanup {	3939	sub post_cleanup {
3289	my ($make_core) = @_;	3940	my ($make_core) = @_;
3290		3941
		3942	IO::AIO::flush;
		3943
3291	warn Carp::longmess "post_cleanup backtrace"	3944	error Carp::longmess "post_cleanup backtrace"
3292	if $make_core;	3945	if $make_core;
		3946
		3947	my $fh = pidfile;
		3948	unlink $PIDFILE if <$fh> == $$;
		3949	}
		3950
		3951	# a safer delete_package, copied from Symbol
		3952	sub clear_package($) {
		3953	my $pkg = shift;
		3954
		3955	# expand to full symbol table name if needed
		3956	unless ($pkg =~ /^main::.*::$/) {
		3957	$pkg = "main$pkg" if $pkg =~ /^::/;
		3958	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3959	$pkg .= '::' unless $pkg =~ /::$/;
		3960	}
		3961
		3962	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3963	my $stem_symtab = *{$stem}{HASH};
		3964
		3965	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3966	or return;
		3967
		3968	# clear all symbols
		3969	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3970	for my $name (keys %$leaf_symtab) {
		3971	_gv_clear *{"$pkg$name"};
		3972	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3973	}
3293	}	3974	}
3294		3975
3295	sub do_reload_perl() {	3976	sub do_reload_perl() {
3296	# can/must only be called in main	3977	# can/must only be called in main
3297	if ($Coro::current != $Coro::main) {	3978	unless (in_main) {
3298	warn "can only reload from main coroutine";	3979	error "can only reload from main coroutine";
3299	return;	3980	return;
3300	}	3981	}
3301		3982
3302	warn "reloading...";	3983	return if $RELOAD++;
3303		3984
3304	warn "entering sync_job";	3985	my $t1 = AE::time;
3305		3986
		3987	while ($RELOAD) {
		3988	cf::get_slot 0.1, -1, "reload_perl";
		3989	info "perl_reload: reloading...";
		3990
		3991	trace "perl_reload: entering sync_job";
		3992
3306	cf::sync_job {	3993	cf::sync_job {
3307	cf::write_runtime; # external watchdog should not bark
3308	cf::emergency_save;	3994	#cf::emergency_save;
3309	cf::write_runtime; # external watchdog should not bark
3310		3995
3311	warn "syncing database to disk";
3312	BDB::db_env_txn_checkpoint $DB_ENV;
3313
3314	# if anything goes wrong in here, we should simply crash as we already saved
3315
3316	warn "cancelling all WF_AUTOCANCEL watchers";
3317	for (Event::all_watchers) {
3318	$_->cancel if $_->data & WF_AUTOCANCEL;
3319	}
3320
3321	warn "flushing outstanding aio requests";
3322	for (;;) {
3323	BDB::flush;
3324	IO::AIO::flush;
3325	Coro::cede;
3326	last unless IO::AIO::nreqs || BDB::nreqs;
3327	warn "iterate...";
3328	}
3329
3330	++$RELOAD;
3331
3332	warn "cancelling all extension coros";	3996	trace "perl_reload: cancelling all extension coros";
3333	$_->cancel for values %EXT_CORO;	3997	$_->cancel for values %EXT_CORO;
3334	%EXT_CORO = ();	3998	%EXT_CORO = ();
3335		3999
3336	warn "removing commands";	4000	trace "perl_reload: removing commands";
3337	%COMMAND = ();	4001	%COMMAND = ();
3338		4002
3339	warn "removing ext/exti commands";	4003	trace "perl_reload: removing ext/exti commands";
3340	%EXTCMD = ();	4004	%EXTCMD = ();
3341	%EXTICMD = ();	4005	%EXTICMD = ();
3342		4006
3343	warn "unloading/nuking all extensions";	4007	trace "perl_reload: unloading/nuking all extensions";
3344	for my $pkg (@EXTS) {	4008	for my $pkg (@EXTS) {
3345	warn "... unloading $pkg";	4009	trace "... unloading $pkg";
3346		4010
3347	if (my $cb = $pkg->can ("unload")) {	4011	if (my $cb = $pkg->can ("unload")) {
3348	eval {	4012	eval {
3349	$cb->($pkg);	4013	$cb->($pkg);
3350	1	4014	1
3351	} or warn "$pkg unloaded, but with errors: $@";	4015	} or error "$pkg unloaded, but with errors: $@";
		4016	}
		4017
		4018	trace "... clearing $pkg";
		4019	clear_package $pkg;
3352	}	4020	}
3353		4021
3354	warn "... nuking $pkg";
3355	Symbol::delete_package $pkg;
3356	}
3357
3358	warn "unloading all perl modules loaded from $LIBDIR";	4022	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3359	while (my ($k, $v) = each %INC) {	4023	while (my ($k, $v) = each %INC) {
3360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4024	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3361		4025
3362	warn "... unloading $k";	4026	trace "... unloading $k";
3363	delete $INC{$k};	4027	delete $INC{$k};
3364		4028
3365	$k =~ s/\.pm$//;	4029	$k =~ s/\.pm$//;
3366	$k =~ s/\//::/g;	4030	$k =~ s/\//::/g;
3367		4031
3368	if (my $cb = $k->can ("unload_module")) {	4032	if (my $cb = $k->can ("unload_module")) {
3369	$cb->();	4033	$cb->();
		4034	}
		4035
		4036	clear_package $k;
3370	}	4037	}
3371		4038
3372	Symbol::delete_package $k;
3373	}
3374
3375	warn "getting rid of safe::, as good as possible";	4039	trace "perl_reload: getting rid of safe::, as good as possible";
3376	Symbol::delete_package "safe::$_"	4040	clear_package "safe::$_"
3377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4041	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3378		4042
3379	warn "unloading cf.pm \"a bit\"";	4043	trace "perl_reload: unloading cf.pm \"a bit\"";
3380	delete $INC{"cf.pm"};	4044	delete $INC{"cf.pm"};
3381	delete $INC{"cf/pod.pm"};	4045	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3382		4046
3383	# don't, removes xs symbols, too,	4047	# don't, removes xs symbols, too,
3384	# and global variables created in xs	4048	# and global variables created in xs
3385	#Symbol::delete_package __PACKAGE__;	4049	#clear_package __PACKAGE__;
3386		4050
3387	warn "unload completed, starting to reload now";	4051	info "perl_reload: unload completed, starting to reload now";
3388		4052
3389	warn "reloading cf.pm";	4053	trace "perl_reload: reloading cf.pm";
3390	require cf;	4054	require cf;
3391	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4055	cf::_connect_to_perl_1;
3392		4056
3393	warn "loading config and database again";	4057	trace "perl_reload: loading config and database again";
3394	cf::reload_config;	4058	cf::reload_config;
3395		4059
3396	warn "loading extensions";	4060	trace "perl_reload: loading extensions";
3397	cf::load_extensions;	4061	cf::load_extensions;
3398		4062
		4063	if ($REATTACH_ON_RELOAD) {
3399	warn "reattaching attachments to objects/players";	4064	trace "perl_reload: reattaching attachments to objects/players";
3400	_global_reattach; # objects, sockets	4065	_global_reattach; # objects, sockets
3401	warn "reattaching attachments to maps";	4066	trace "perl_reload: reattaching attachments to maps";
3402	reattach $_ for values %MAP;	4067	reattach $_ for values %MAP;
3403	warn "reattaching attachments to players";	4068	trace "perl_reload: reattaching attachments to players";
3404	reattach $_ for values %PLAYER;	4069	reattach $_ for values %PLAYER;
		4070	}
3405		4071
3406	warn "leaving sync_job";	4072	cf::_post_init 1;
3407		4073
		4074	trace "perl_reload: leaving sync_job";
		4075
3408	1	4076	1
3409	} or do {	4077	} or do {
3410	warn $@;	4078	error $@;
3411	warn "error while reloading, exiting.";	4079	cf::cleanup "perl_reload: error, exiting.";
3412	exit 1;	4080	};
		4081
		4082	--$RELOAD;
3413	};	4083	}
3414		4084
3415	warn "reloaded";	4085	$t1 = AE::time - $t1;
		4086	info "perl_reload: completed in ${t1}s\n";
3416	};	4087	};
3417		4088
3418	our $RELOAD_WATCHER; # used only during reload	4089	our $RELOAD_WATCHER; # used only during reload
3419		4090
3420	sub reload_perl() {	4091	sub reload_perl() {
3421	# doing reload synchronously and two reloads happen back-to-back,	4092	# doing reload synchronously and two reloads happen back-to-back,
3422	# coro crashes during coro_state_free->destroy here.	4093	# coro crashes during coro_state_free->destroy here.
3423		4094
3424	$RELOAD_WATCHER ||= Event->timer (	4095	$RELOAD_WATCHER ||= cf::async {
3425	reentrant => 0,	4096	Coro::AIO::aio_wait cache_extensions;
3426	after => 0,	4097
3427	data => WF_AUTOCANCEL,	4098	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3428	cb => sub {
3429	do_reload_perl;	4099	do_reload_perl;
3430	undef $RELOAD_WATCHER;	4100	undef $RELOAD_WATCHER;
3431	},	4101	};
3432	);	4102	};
3433	}	4103	}
3434		4104
3435	register_command "reload" => sub {	4105	register_command "reload" => sub {
3436	my ($who, $arg) = @_;	4106	my ($who, $arg) = @_;
3437		4107
3438	if ($who->flag (FLAG_WIZ)) {	4108	if ($who->flag (FLAG_WIZ)) {
3439	$who->message ("reloading server.");	4109	$who->message ("reloading server.");
		4110	async {
		4111	$Coro::current->{desc} = "perl_reload";
3440	async { reload_perl };	4112	reload_perl;
		4113	};
3441	}	4114	}
3442	};	4115	};
3443		4116
3444	unshift @INC, $LIBDIR;	4117	#############################################################################
3445		4118
3446	my $bug_warning = 0;	4119	my $bug_warning = 0;
3447		4120
3448	our @WAIT_FOR_TICK;
3449	our @WAIT_FOR_TICK_BEGIN;
3450
3451	sub wait_for_tick {	4121	sub wait_for_tick() {
3452	return unless $TICK_WATCHER->is_active;	4122	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3453	return if $Coro::current == $Coro::main;
3454		4123
3455	my $signal = new Coro::Signal;	4124	$WAIT_FOR_TICK->wait;
3456	push @WAIT_FOR_TICK, $signal;
3457	$signal->wait;
3458	}	4125	}
3459		4126
3460	sub wait_for_tick_begin {	4127	sub wait_for_tick_begin() {
3461	return unless $TICK_WATCHER->is_active;	4128	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3462	return if $Coro::current == $Coro::main;
3463		4129
3464	my $signal = new Coro::Signal;	4130	my $signal = new Coro::Signal;
3465	push @WAIT_FOR_TICK_BEGIN, $signal;	4131	push @WAIT_FOR_TICK_BEGIN, $signal;
3466	$signal->wait;	4132	$signal->wait;
3467	}	4133	}
3468		4134
3469	$TICK_WATCHER = Event->timer (	4135	sub tick {
3470	reentrant => 0,
3471	parked => 1,
3472	prio => 0,
3473	at => $NEXT_TICK || $TICK,
3474	data => WF_AUTOCANCEL,
3475	cb => sub {
3476	if ($Coro::current != $Coro::main) {	4136	if ($Coro::current != $Coro::main) {
3477	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4137	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3478	unless ++$bug_warning > 10;	4138	unless ++$bug_warning > 10;
3479	return;	4139	return;
3480	}	4140	}
3481		4141
3482	$NOW = $tick_start = Event::time;	4142	cf::one_tick; # one server iteration
3483		4143
3484	cf::server_tick; # one server iteration	4144	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3485		4145
3486	$RUNTIME += $TICK;
3487	$NEXT_TICK += $TICK;
3488
3489	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3490	$NEXT_RUNTIME_WRITE = $NOW + 10;	4147	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3491	Coro::async_pool {	4148	Coro::async_pool {
		4149	$Coro::current->{desc} = "runtime saver";
3492	write_runtime	4150	write_runtime_sync
3493	or warn "ERROR: unable to write runtime file: $!";	4151	or error "ERROR: unable to write runtime file: $!";
3494	};
3495	}	4152	};
		4153	}
3496		4154
3497	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4155	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3498	$sig->send;	4156	$sig->send;
3499	}	4157	}
3500	while (my $sig = shift @WAIT_FOR_TICK) {	4158	$WAIT_FOR_TICK->broadcast;
3501	$sig->send;
3502	}
3503		4159
3504	$NOW = Event::time;	4160	$LOAD = ($NOW - $TICK_START) / $TICK;
3505
3506	# if we are delayed by four ticks or more, skip them all
3507	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3508
3509	$TICK_WATCHER->at ($NEXT_TICK);
3510	$TICK_WATCHER->start;
3511
3512	$LOAD = ($NOW - $tick_start) / $TICK;
3513	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4161	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3514		4162
3515	_post_tick;	4163	if (0) {
		4164	if ($NEXT_TICK) {
		4165	my $jitter = $TICK_START - $NEXT_TICK;
		4166	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4167	debug "jitter $JITTER\n";#d#
		4168	}
3516	},	4169	}
3517	);	4170	}
3518		4171
3519	{	4172	{
		4173	# configure BDB
		4174
3520	BDB::min_parallel 8;	4175	BDB::min_parallel 16;
3521	BDB::max_poll_time $TICK * 0.1;	4176	BDB::max_poll_reqs $TICK * 0.1;
3522	$BDB_POLL_WATCHER = Event->io (	4177	$AnyEvent::BDB::WATCHER->priority (1);
3523	reentrant => 0,
3524	fd => BDB::poll_fileno,
3525	poll => 'r',
3526	prio => 0,
3527	data => WF_AUTOCANCEL,
3528	cb => \&BDB::poll_cb,
3529	);
3530
3531	BDB::set_sync_prepare {
3532	my $status;
3533	my $current = $Coro::current;
3534	(
3535	sub {
3536	$status = $!;
3537	$current->ready; undef $current;
3538	},
3539	sub {
3540	Coro::schedule while defined $current;
3541	$! = $status;
3542	},
3543	)
3544	};
3545		4178
3546	unless ($DB_ENV) {	4179	unless ($DB_ENV) {
3547	$DB_ENV = BDB::db_env_create;	4180	$DB_ENV = BDB::db_env_create;
3548	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4181	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3549	| BDB::LOG_AUTOREMOVE, 1);	4182	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4183	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3550	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4184	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3551	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4185	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3552		4186
3553	cf::sync_job {	4187	cf::sync_job {
3554	eval {	4188	eval {
…		…
3564		4198
3565	cf::cleanup "db_env_open(db): $@" if $@;	4199	cf::cleanup "db_env_open(db): $@" if $@;
3566	};	4200	};
3567	}	4201	}
3568		4202
3569	$BDB_DEADLOCK_WATCHER = Event->timer (	4203	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3570	after => 3,
3571	interval => 1,
3572	hard => 1,
3573	prio => 0,
3574	data => WF_AUTOCANCEL,
3575	cb => sub {
3576	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	4204	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3577	},
3578	);	4205	};
3579	$BDB_CHECKPOINT_WATCHER = Event->timer (	4206	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3580	after => 11,
3581	interval => 60,
3582	hard => 1,
3583	prio => 0,
3584	data => WF_AUTOCANCEL,
3585	cb => sub {
3586	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4207	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3587	},
3588	);	4208	};
3589	$BDB_TRICKLE_WATCHER = Event->timer (	4209	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3590	after => 5,
3591	interval => 10,
3592	hard => 1,
3593	prio => 0,
3594	data => WF_AUTOCANCEL,
3595	cb => sub {
3596	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4210	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3597	},
3598	);	4211	};
3599	}	4212	}
3600		4213
3601	{	4214	{
		4215	# configure IO::AIO
		4216
3602	IO::AIO::min_parallel 8;	4217	IO::AIO::min_parallel 8;
3603
3604	undef $Coro::AIO::WATCHER;
3605	IO::AIO::max_poll_time $TICK * 0.1;	4218	IO::AIO::max_poll_time $TICK * 0.1;
3606	$AIO_POLL_WATCHER = Event->io (	4219	undef $AnyEvent::AIO::WATCHER;
3607	reentrant => 0,
3608	data => WF_AUTOCANCEL,
3609	fd => IO::AIO::poll_fileno,
3610	poll => 'r',
3611	prio => 6,
3612	cb => \&IO::AIO::poll_cb,
3613	);
3614	}	4220	}
3615		4221
3616	my $_log_backtrace;	4222	our $_log_backtrace;
		4223	our $_log_backtrace_last;
3617		4224
3618	sub _log_backtrace {	4225	sub _log_backtrace {
3619	my ($msg, @addr) = @_;	4226	my ($msg, @addr) = @_;
3620		4227
3621	$msg =~ s/\n//;	4228	$msg =~ s/\n$//;
3622		4229
		4230	if ($_log_backtrace_last eq $msg) {
		4231	LOG llevInfo, "[ABT] $msg\n";
		4232	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3623	# limit the # of concurrent backtraces	4233	# limit the # of concurrent backtraces
3624	if ($_log_backtrace < 2) {	4234	} elsif ($_log_backtrace < 2) {
		4235	$_log_backtrace_last = $msg;
3625	++$_log_backtrace;	4236	++$_log_backtrace;
		4237	my $perl_bt = Carp::longmess $msg;
3626	async {	4238	async {
		4239	$Coro::current->{desc} = "abt $msg";
		4240
3627	my @bt = fork_call {	4241	my @bt = fork_call {
3628	@addr = map { sprintf "%x", $_ } @addr;	4242	@addr = map { sprintf "%x", $_ } @addr;
3629	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4243	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3630	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4244	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3631	or die "addr2line: $!";	4245	or die "addr2line: $!";
…		…
3639	}	4253	}
3640		4254
3641	@funcs	4255	@funcs
3642	};	4256	};
3643		4257
3644	LOG llevInfo, "[ABT] $msg\n";	4258	LOG llevInfo, "[ABT] $perl_bt\n";
		4259	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3645	LOG llevInfo, "[ABT] $_\n" for @bt;	4260	LOG llevInfo, "[ABT] $_\n" for @bt;
3646	--$_log_backtrace;	4261	--$_log_backtrace;
3647	};	4262	};
3648	} else {	4263	} else {
3649	LOG llevInfo, "[ABT] $msg\n";	4264	LOG llevInfo, "[ABT] $msg\n";
3650	LOG llevInfo, "[ABT] [suppressed]\n";	4265	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3651	}	4266	}
3652	}	4267	}
3653		4268
3654	# load additional modules	4269	# load additional modules
3655	use cf::pod;	4270	require "cf/$_.pm" for @EXTRA_MODULES;
		4271	cf::_connect_to_perl_2;
3656		4272
3657	END { cf::emergency_save }	4273	END { cf::emergency_save }
3658		4274
3659	1	4275	1
3660		4276

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