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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.373 by root, Sat Sep 15 15:58:06 2007 UTC vs.
Revision 1.575 by root, Sat Aug 13 20:20:30 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, %{$args || {} });
…		…
1029	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
1030		1305
1031	sync_job {	1306	sync_job {
1032	if (length $$rdata) {	1307	if (length $$rdata) {
1033	utf8::decode (my $decname = $filename);	1308	utf8::decode (my $decname = $filename);
1034	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
1035	$decname, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
1036		1312
1037	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1038	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
1039	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1040	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	}
1041	close $fh;	1320	aio_close $fh;
1042		1321
1043	if (@$objs) {	1322	if (@$objs) {
1044	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) {
1045	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
1046	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1047	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
1048	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	}
1049	close $fh;	1331	aio_close $fh;
1050	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
1051	}	1333	}
1052	} else {	1334	} else {
1053	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
1054	}	1336	}
1055		1337
1056	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
1057	} else {	1342	} else {
1058	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
1059	}	1344	}
1060	} else {	1345	} else {
1061	aio_unlink $filename;	1346	aio_unlink $filename;
1062	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
1063	}	1348	}
…		…
1082		1367
1083	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
1084	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
1085	or return;	1370	or return;
1086		1371
1087	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
1088	}	1374	}
1089		1375
1090	utf8::decode (my $decname = $filename);	1376	utf8::decode (my $decname = $filename);
1091	warn sprintf "loading %s (%d,%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
1092	$decname, length $data, scalar @{$av || []};	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
1093		1380
1094	($data, $av)	1381	($data, $av)
1095	}	1382	}
1096		1383
1097	=head2 COMMAND CALLBACKS	1384	=head2 COMMAND CALLBACKS
…		…
1153	my ($name, $cb) = @_;	1440	my ($name, $cb) = @_;
1154		1441
1155	$EXTICMD{$name} = $cb;	1442	$EXTICMD{$name} = $cb;
1156	}	1443	}
1157		1444
		1445	use File::Glob ();
		1446
1158	cf::player->attach (	1447	cf::player->attach (
1159	on_command => sub {	1448	on_unknown_command => sub {
1160	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
1161		1450
1162	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
1163	or return;	1452	or return;
1164		1453
…		…
1187		1476
1188	$pl->ext_reply ($reply, @reply)	1477	$pl->ext_reply ($reply, @reply)
1189	if $reply;	1478	if $reply;
1190		1479
1191	} else {	1480	} else {
1192	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1193	}	1482	}
1194		1483
1195	cf::override;	1484	cf::override;
1196	},	1485	},
1197	);	1486	);
1198		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
1199	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
1200	cf::sync_job {	1504	cf::sync_job {
1201	my %todo;	1505	my %todo;
1202		1506
1203	for my $path (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
1204	next unless -r $path;	1508	next unless -r $path;
…		…
1222		1526
1223	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1527	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1224	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1528	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1225		1529
1226	$ext{source} =	1530	$ext{source} =
1227	"package $pkg; use strict; use utf8;\n"	1531	"package $pkg; use common::sense;\n"
1228	. "#line 1 \"$path\"\n{\n"	1532	. "#line 1 \"$path\"\n{\n"
1229	. $source	1533	. $source
1230	. "\n};\n1";	1534	. "\n};\n1";
1231		1535
1232	$todo{$base} = \%ext;	1536	$todo{$base} = \%ext;
1233	}	1537	}
1234		1538
		1539	my $pass = 0;
1235	my %done;	1540	my %done;
1236	while (%todo) {	1541	while (%todo) {
1237	my $progress;	1542	my $progress;
1238		1543
		1544	++$pass;
		1545
		1546	ext:
1239	while (my ($k, $v) = each %todo) {	1547	while (my ($k, $v) = each %todo) {
1240	for (split /,\s*/, $v->{meta}{depends}) {	1548	for (split /,\s*/, $v->{meta}{depends}) {
1241	goto skip	1549	next ext
1242	unless exists $done{$_};	1550	unless exists $done{$_};
1243	}	1551	}
1244		1552
1245	warn "... loading '$k' into '$v->{pkg}'\n";	1553	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1246		1554
1247	unless (eval $v->{source}) {	1555	my $active = eval $v->{source};
		1556
		1557	if (length $@) {
1248	my $msg = $@ ? "$v->{path}: $@\n"	1558	error "$v->{path}: $@\n";
1249	: "$v->{base}: extension inactive.\n";
1250		1559
		1560	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1251	if (exists $v->{meta}{mandatory}) {	1561	if exists $v->{meta}{mandatory};
1252	warn $msg;	1562
1253	warn "mandatory extension failed to load, exiting.\n";	1563	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1254	exit 1;	1564	delete $todo{$k};
1255	}	1565	} else {
1256		1566	$done{$k} = delete $todo{$k};
1257	warn $msg;	1567	push @EXTS, $v->{pkg};
		1568	$progress = 1;
		1569
		1570	info "$v->{base}: extension inactive.\n"
		1571	unless $active;
1258	}	1572	}
1259
1260	$done{$k} = delete $todo{$k};
1261	push @EXTS, $v->{pkg};
1262	$progress = 1;
1263	}	1573	}
1264		1574
1265	skip:	1575	unless ($progress) {
1266	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1576	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1267	unless $progress;	1577
		1578	while (my ($k, $v) = each %todo) {
		1579	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1580	if exists $v->{meta}{mandatory};
		1581	}
		1582
		1583	last;
		1584	}
1268	}	1585	}
1269	};	1586	};
1270	}	1587	}
1271		1588
1272	#############################################################################	1589	#############################################################################
1273		1590
1274	=back	1591	=back
1275		1592
1276	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
1277		1594
1278	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
1279		1596
1280	=cut	1597	=cut
1281		1598
1282	package cf::player;	1599	package cf::player;
1283		1600
…		…
1326		1643
1327	sub exists($) {	1644	sub exists($) {
1328	my ($login) = @_;	1645	my ($login) = @_;
1329		1646
1330	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
1331	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
1332	}	1649	}
1333		1650
1334	sub find($) {	1651	sub find($) {
1335	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
1336	my $login = $_[0];	1653	my $login = $_[0];
…		…
1348	my $f = new_from_file cf::object::thawer path $login	1665	my $f = new_from_file cf::object::thawer path $login
1349	or return;	1666	or return;
1350		1667
1351	my $pl = cf::player::load_pl $f	1668	my $pl = cf::player::load_pl $f
1352	or return;	1669	or return;
		1670
1353	local $cf::PLAYER_LOADING{$login} = $pl;	1671	local $cf::PLAYER_LOADING{$login} = $pl;
1354	$f->resolve_delayed_derefs;	1672	$f->resolve_delayed_derefs;
1355	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
1356	}	1674	}
1357	}	1675	}
1358	}	1676	}
1359		1677
		1678	cf::player->attach (
		1679	on_load => sub {
		1680	my ($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
1360	sub save($) {	1691	sub save($) {
1361	my ($pl) = @_;	1692	my ($pl) = @_;
1362		1693
1363	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
1364		1695
…		…
1367		1698
1368	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1369		1700
1370	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1371	$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];
1372		1708
1373	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1374	cf::cede_to_tick;	1710	cf::cede_to_tick;
1375	}	1711	}
1376		1712
…		…
1408	my ($pl) = @_;	1744	my ($pl) = @_;
1409		1745
1410	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1411		1747
1412	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1413	$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
1414		1750
1415	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1416	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1417	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1418	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1419		1759
1420	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1421	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1422	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1460		1800
1461	for my $login (@$dirs) {	1801	for my $login (@$dirs) {
1462	my $path = path $login;	1802	my $path = path $login;
1463		1803
1464	# a .pst is a dead give-away for a valid player	1804	# a .pst is a dead give-away for a valid player
1465	unless (-e "$path.pst") {	1805	# if no pst file found, open and chekc for blocked users
		1806	if (aio_stat "$path.pst") {
1466	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1467	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1468	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
1469	}	1810	}
1470		1811
…		…
1474		1815
1475	\@logins	1816	\@logins
1476	}	1817	}
1477		1818
1478	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1479		1822
1480	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1481	player. May block.	1824	player. May block.
1482		1825
1483	=cut	1826	=cut
…		…
1501	}	1844	}
1502		1845
1503	\@paths	1846	\@paths
1504	}	1847	}
1505		1848
1506	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1507		1850
1508	Expand crossfire pod fragments into protocol xml.	1851	Expand deliantra pod fragments into protocol xml.
1509
1510	=cut
1511
1512	sub expand_cfpod {
1513	((my $self), (local $_)) = @_;
1514
1515	# escape & and <
1516	s/&/&amp;/g;
1517	s/(?<![BIUGHT])</&lt;/g;
1518
1519	# this is buggy, it needs to properly take care of nested <'s
1520
1521	1 while
1522	# replace B<>, I<>, U<> etc.
1523	s/B<([^\>]*)>/<b>$1<\/b>/
1524	|| s/I<([^\>]*)>/<i>$1<\/i>/
1525	|| s/U<([^\>]*)>/<u>$1<\/u>/
1526	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1527	# replace G<male|female> tags
1528	|| s{G<([^>|]*)\|([^>]*)>}{
1529	$self->gender ? $2 : $1
1530	}ge
1531	# replace H<hint text>
1532	|| s{H<([^\>]*)>}
1533	{
1534	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1535	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1536	"")
1537	[$self->{hintmode}]
1538	}ge;
1539
1540	# create single paragraphs (very hackish)
1541	s/(?<=\S)\n(?=\w)/ /g;
1542
1543	# compress some whitespace
1544	s/\s+\n/\n/g; # ws line-ends
1545	s/\n\n+/\n/g; # double lines
1546	s/^\n+//; # beginning lines
1547	s/\n+$//; # ending lines
1548
1549	$_
1550	}
1551
1552	sub hintmode {
1553	$_[0]{hintmode} = $_[1] if @_ > 1;
1554	$_[0]{hintmode}
1555	}
1556		1852
1557	=item $player->ext_reply ($msgid, @msg)	1853	=item $player->ext_reply ($msgid, @msg)
1558		1854
1559	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1560		1856
…		…
1592		1888
1593	=cut	1889	=cut
1594		1890
1595	sub find_by_path($) {	1891	sub find_by_path($) {
1596	my ($path) = @_;	1892	my ($path) = @_;
		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
1597		1895
1598	my ($match, $specificity);	1896	my ($match, $specificity);
1599		1897
1600	for my $region (list) {	1898	for my $region (list) {
1601	if ($region->{match} && $path =~ $region->{match}) {	1899	if ($region->{match} && $path =~ $region->{match}) {
…		…
1627	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1628	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1629		1927
1630	sub generate_random_map {	1928	sub generate_random_map {
1631	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1632	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1633	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1634	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1635	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1636	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1637	$rmp->{exit_on_final_map},
1638	$rmp->{xsize}, $rmp->{ysize},
1639	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1640	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1641	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1642	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1643	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1644	(cf::region::find $rmp->{region}), $rmp->{custom}
1645	)
1646	}	1934	}
1647		1935
1648	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1649		1937
1650	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
…		…
1655		1943
1656	sub register {	1944	sub register {
1657	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1658	my $pkg = caller;	1946	my $pkg = caller;
1659		1947
1660	no strict;
1661	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1662		1949
1663	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1664	}	1951	}
1665		1952
1666	# also paths starting with '/'	1953	# also paths starting with '/'
1667	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1668		1955
1669	sub thawer_merge {	1956	sub thawer_merge {
1670	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1671		1958
1672	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
…		…
1677	}	1964	}
1678		1965
1679	sub normalise {	1966	sub normalise {
1680	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1681		1968
1682	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1683		1970
1684	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1685		1972
1686	# map plan:	1973	# map plan:
1687	#	1974	#
…		…
1702	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1703	$path = "$base/$path";	1990	$path = "$base/$path";
1704	}	1991	}
1705		1992
1706	for ($path) {	1993	for ($path) {
1707	redo if s{//}{/};
1708	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1709	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1710	}	1996	}
1711		1997
1712	$path	1998	$path
…		…
1726	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1727	return $self;	2013	return $self;
1728	}	2014	}
1729	}	2015	}
1730		2016
1731	Carp::cluck "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1732	()	2018	()
1733	}	2019	}
1734		2020
		2021	# may re-bless or do other evil things
1735	sub init {	2022	sub init {
1736	my ($self) = @_;	2023	my ($self) = @_;
1737		2024
1738	$self	2025	$self
1739	}	2026	}
…		…
1758		2045
1759	# the temporary/swap location	2046	# the temporary/swap location
1760	sub save_path {	2047	sub save_path {
1761	my ($self) = @_;	2048	my ($self) = @_;
1762		2049
1763	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1764	"$TMPDIR/$path.map"	2051	"$TMPDIR/$path.map"
1765	}	2052	}
1766		2053
1767	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1768	sub uniq_path {	2055	sub uniq_path {
1769	my ($self) = @_;	2056	my ($self) = @_;
1770		2057
1771	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1772	"$UNIQUEDIR/$path"	2059	"$UNIQUEDIR/$path"
1773	}
1774
1775	# and all this just because we cannot iterate over
1776	# all maps in C++...
1777	sub change_all_map_light {
1778	my ($change) = @_;
1779
1780	$_->change_map_light ($change)
1781	for grep $_->outdoor, values %cf::MAP;
1782	}	2060	}
1783		2061
1784	sub decay_objects {	2062	sub decay_objects {
1785	my ($self) = @_;	2063	my ($self) = @_;
1786		2064
…		…
1813	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1814		2092
1815	1	2093	1
1816	}	2094	}
1817		2095
		2096	# used to laod the header of an original map
1818	sub load_header_orig {	2097	sub load_header_orig {
1819	my ($self) = @_;	2098	my ($self) = @_;
1820		2099
1821	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1822	}	2101	}
1823		2102
		2103	# used to laod the header of an instantiated map
1824	sub load_header_temp {	2104	sub load_header_temp {
1825	my ($self) = @_;	2105	my ($self) = @_;
1826		2106
1827	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1828	}	2108	}
1829		2109
		2110	# called after loading the header from an instantiated map
1830	sub prepare_temp {	2111	sub prepare_temp {
1831	my ($self) = @_;	2112	my ($self) = @_;
1832		2113
1833	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1834	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1835	# safety	2116	# safety
1836	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1837	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1838	}	2119	}
1839		2120
		2121	# called after loading the header from an original map
1840	sub prepare_orig {	2122	sub prepare_orig {
1841	my ($self) = @_;	2123	my ($self) = @_;
1842		2124
1843	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1844	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1868		2150
1869	sub find;	2151	sub find;
1870	sub find {	2152	sub find {
1871	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1872		2154
		2155	cf::cede_to_tick;
		2156
1873	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1874		2158
1875	cf::lock_wait "map_data:$path";#d#remove	2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1876	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1877		2161
1878	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1879	my $guard1 = cf::lock_acquire "map_find:$path";
1880	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1881
1882	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1883	or return;	2164	or return;
1884		2165
1885	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1886		2167
…		…
1888	or return;	2169	or return;
1889		2170
1890	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1891	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1892	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
1893	undef $guard1;	2175	undef $guard1;
1894	undef $guard2;
1895	$map->reset;	2176	$map->reset;
1896	return find $path;	2177	return find $path;
1897	}	2178	}
1898		2179
1899	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1900	}	2181	}
1901	}	2182	}
1902		2183
1903	sub pre_load { }	2184	sub pre_load { }
1904	sub post_load { }	2185	#sub post_load { } # XS
1905		2186
1906	sub load {	2187	sub load {
1907	my ($self) = @_;	2188	my ($self) = @_;
1908		2189
1909	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1912		2193
1913	{	2194	{
1914	my $guard = cf::lock_acquire "map_data:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1915		2196
1916	return unless $self->valid;	2197	return unless $self->valid;
1917	return unless $self->in_memory == cf::MAP_SWAPPED;	2198	return unless $self->state == cf::MAP_SWAPPED;
1918
1919	$self->in_memory (cf::MAP_LOADING);
1920		2199
1921	$self->alloc;	2200	$self->alloc;
1922		2201
1923	$self->pre_load;	2202	$self->pre_load;
1924	cf::cede_to_tick;	2203	cf::cede_to_tick;
1925		2204
		2205	if (exists $self->{load_path}) {
1926	my $f = new_from_file cf::object::thawer $self->{load_path};	2206	my $f = new_from_file cf::object::thawer $self->{load_path};
1927	$f->skip_block;	2207	$f->skip_block;
1928	$self->_load_objects ($f)	2208	$self->_load_objects ($f)
1929	or return;	2209	or return;
1930		2210
1931	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1932	if delete $self->{load_original};	2212	if delete $self->{load_original};
1933		2213
1934	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1935	utf8::encode $uniq;	2215	utf8::encode $uniq;
1936	unless (aio_stat $uniq) {	2216	unless (aio_stat $uniq) {
1937	if (my $f = new_from_file cf::object::thawer $uniq) {	2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1938	$self->clear_unique_items;	2218	$self->clear_unique_items;
1939	$self->_load_objects ($f);	2219	$self->_load_objects ($f);
1940	$f->resolve_delayed_derefs;	2220	$f->resolve_delayed_derefs;
		2221	}
1941	}	2222	}
1942	}	2223	}
1943	}
1944		2224
1945	$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);
1946		2232
1947	cf::cede_to_tick;	2233	cf::cede_to_tick;
1948	# now do the right thing for maps	2234	# now do the right thing for maps
1949	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1950	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
…		…
1954	unless ($self->{deny_activate}) {	2240	unless ($self->{deny_activate}) {
1955	$self->decay_objects;	2241	$self->decay_objects;
1956	$self->fix_auto_apply;	2242	$self->fix_auto_apply;
1957	$self->update_buttons;	2243	$self->update_buttons;
1958	cf::cede_to_tick;	2244	cf::cede_to_tick;
1959	$self->set_darkness_map;	2245	#$self->activate; # no longer activate maps automatically
1960	cf::cede_to_tick;
1961	$self->activate;
1962	}	2246	}
1963		2247
1964	$self->{last_save} = $cf::RUNTIME;	2248	$self->{last_save} = $cf::RUNTIME;
1965	$self->last_access ($cf::RUNTIME);	2249	$self->last_access ($cf::RUNTIME);
1966
1967	$self->in_memory (cf::MAP_IN_MEMORY);
1968	}	2250	}
1969		2251
1970	$self->post_load;	2252	$self->post_load;
1971	}
1972		2253
		2254	1
		2255	}
		2256
		2257	# customize the map for a given player, i.e.
		2258	# return the _real_ map. used by e.g. per-player
		2259	# maps to change the path to ~playername/mappath
1973	sub customise_for {	2260	sub customise_for {
1974	my ($self, $ob) = @_;	2261	my ($self, $ob) = @_;
1975		2262
1976	return find "~" . $ob->name . "/" . $self->{path}	2263	return find "~" . $ob->name . "/" . $self->{path}
1977	if $self->per_player;	2264	if $self->per_player;
…		…
1980	# if $self->per_party;	2267	# if $self->per_party;
1981		2268
1982	$self	2269	$self
1983	}	2270	}
1984		2271
1985	# find and load all maps in the 3x3 area around a map
1986	sub load_neighbours {
1987	my ($map) = @_;
1988
1989	my @neigh; # diagonal neighbours
1990
1991	for (0 .. 3) {
1992	my $neigh = $map->tile_path ($_)
1993	or next;
1994	$neigh = find $neigh, $map
1995	or next;
1996	$neigh->load;
1997
1998	push @neigh,
1999	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2000	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2001	}
2002
2003	for (grep defined $_->[0], @neigh) {
2004	my ($path, $origin) = @$_;
2005	my $neigh = find $path, $origin
2006	or next;
2007	$neigh->load;
2008	}
2009	}
2010
2011	sub find_sync {	2272	sub find_sync {
2012	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
2013		2274
2014	cf::sync_job { find $path, $origin }	2275	# it's a bug to call this from the main context
		2276	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2277	if $Coro::current == $Coro::main;
		2278
		2279	find $path, $origin
2015	}	2280	}
2016		2281
2017	sub do_load_sync {	2282	sub do_load_sync {
2018	my ($map) = @_;	2283	my ($map) = @_;
2019		2284
		2285	# it's a bug to call this from the main context
2020	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2286	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2021	if $Coro::current == $Coro::main;	2287	if $Coro::current == $Coro::main;
2022		2288
2023	cf::sync_job { $map->load };	2289	$map->load;
2024	}	2290	}
2025		2291
2026	our %MAP_PREFETCH;	2292	our %MAP_PREFETCH;
2027	our $MAP_PREFETCHER = undef;	2293	our $MAP_PREFETCHER = undef;
2028		2294
2029	sub find_async {	2295	sub find_async {
2030	my ($path, $origin, $load) = @_;	2296	my ($path, $origin, $load) = @_;
2031		2297
2032	$path = normalise $path, $origin && $origin->{path};	2298	$path = normalise $path, $origin;
2033		2299
2034	if (my $map = $cf::MAP{$path}) {	2300	if (my $map = $cf::MAP{$path}) {
2035	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2301	return $map if !$load || $map->linkable;
2036	}	2302	}
2037		2303
2038	$MAP_PREFETCH{$path} |= $load;	2304	$MAP_PREFETCH{$path} |= $load;
2039		2305
2040	$MAP_PREFETCHER ||= cf::async {	2306	$MAP_PREFETCHER ||= cf::async {
		2307	$Coro::current->{desc} = "map prefetcher";
		2308
2041	while (%MAP_PREFETCH) {	2309	while (%MAP_PREFETCH) {
2042	while (my ($k, $v) = each %MAP_PREFETCH) {	2310	while (my ($k, $v) = each %MAP_PREFETCH) {
2043	if (my $map = find $k) {	2311	if (my $map = find $k) {
2044	$map->load if $v;	2312	$map->load if $v;
2045	}	2313	}
…		…
2052	$MAP_PREFETCHER->prio (6);	2320	$MAP_PREFETCHER->prio (6);
2053		2321
2054	()	2322	()
2055	}	2323	}
2056		2324
		2325	# common code, used by both ->save and ->swapout
2057	sub save {	2326	sub _save {
2058	my ($self) = @_;	2327	my ($self) = @_;
2059
2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
2061		2328
2062	$self->{last_save} = $cf::RUNTIME;	2329	$self->{last_save} = $cf::RUNTIME;
2063		2330
2064	return unless $self->dirty;	2331	return unless $self->dirty;
2065		2332
…		…
2071	return if $self->{deny_save};	2338	return if $self->{deny_save};
2072		2339
2073	local $self->{last_access} = $self->last_access;#d#	2340	local $self->{last_access} = $self->last_access;#d#
2074		2341
2075	cf::async {	2342	cf::async {
		2343	$Coro::current->{desc} = "map player save";
2076	$_->contr->save for $self->players;	2344	$_->contr->save for $self->players;
2077	};	2345	};
		2346
		2347	cf::get_slot 0.02;
2078		2348
2079	if ($uniq) {	2349	if ($uniq) {
2080	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2081	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2351	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2082	} else {	2352	} else {
2083	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2353	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2084	}	2354	}
2085	}	2355	}
2086		2356
		2357	sub save {
		2358	my ($self) = @_;
		2359
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
		2362	$self->_save;
		2363	}
		2364
2087	sub swap_out {	2365	sub swap_out {
2088	my ($self) = @_;	2366	my ($self) = @_;
2089		2367
2090	# save first because save cedes
2091	$self->save;
2092
2093	my $lock = cf::lock_acquire "map_data:$self->{path}";	2368	my $lock = cf::lock_acquire "map_data:$self->{path}";
2094		2369
		2370	return if !$self->linkable;
		2371	return if $self->{deny_save};
2095	return if $self->players;	2372	return if $self->players;
2096	return if $self->in_memory != cf::MAP_IN_MEMORY;	2373
		2374	# first deactivate the map and "unlink" it from the core
		2375	$self->deactivate;
		2376	$_->clear_links_to ($self) for values %cf::MAP;
		2377	$self->state (cf::MAP_SWAPPED);
		2378
		2379	# then atomically save
		2380	$self->_save;
		2381
		2382	# then free the map
		2383	$self->clear;
		2384	}
		2385
		2386	sub reset_at {
		2387	my ($self) = @_;
		2388
		2389	# TODO: safety, remove and allow resettable per-player maps
2097	return if $self->{deny_save};	2390	return 1e99 if $self->{deny_reset};
2098		2391
		2392	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2393	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2394
		2395	$time + $to
		2396	}
		2397
		2398	sub should_reset {
		2399	my ($self) = @_;
		2400
		2401	$self->reset_at <= $cf::RUNTIME
		2402	}
		2403
		2404	sub reset {
		2405	my ($self) = @_;
		2406
		2407	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2408
		2409	return if $self->players;
		2410
		2411	cf::trace "resetting map ", $self->path, "\n";
		2412
2099	$self->in_memory (cf::MAP_SWAPPED);	2413	$self->state (cf::MAP_SWAPPED);
		2414
		2415	# need to save uniques path
		2416	unless ($self->{deny_save}) {
		2417	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2418
		2419	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2420	if $uniq;
		2421	}
		2422
		2423	delete $cf::MAP{$self->path};
2100		2424
2101	$self->deactivate;	2425	$self->deactivate;
2102	$_->clear_links_to ($self) for values %cf::MAP;	2426	$_->clear_links_to ($self) for values %cf::MAP;
2103	$self->clear;	2427	$self->clear;
2104	}
2105
2106	sub reset_at {
2107	my ($self) = @_;
2108
2109	# TODO: safety, remove and allow resettable per-player maps
2110	return 1e99 if $self->{deny_reset};
2111
2112	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2113	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2114
2115	$time + $to
2116	}
2117
2118	sub should_reset {
2119	my ($self) = @_;
2120
2121	$self->reset_at <= $cf::RUNTIME
2122	}
2123
2124	sub reset {
2125	my ($self) = @_;
2126
2127	my $lock = cf::lock_acquire "map_data:$self->{path}";
2128
2129	return if $self->players;
2130
2131	warn "resetting map ", $self->path;
2132
2133	$self->in_memory (cf::MAP_SWAPPED);
2134
2135	# need to save uniques path
2136	unless ($self->{deny_save}) {
2137	my $uniq = $self->uniq_path; utf8::encode $uniq;
2138
2139	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2140	if $uniq;
2141	}
2142
2143	delete $cf::MAP{$self->path};
2144
2145	$self->deactivate;
2146	$_->clear_links_to ($self) for values %cf::MAP;
2147	$self->clear;
2148		2428
2149	$self->unlink_save;	2429	$self->unlink_save;
2150	$self->destroy;	2430	$self->destroy;
2151	}	2431	}
2152		2432
…		…
2160		2440
2161	delete $cf::MAP{$self->path};	2441	delete $cf::MAP{$self->path};
2162		2442
2163	$self->unlink_save;	2443	$self->unlink_save;
2164		2444
2165	bless $self, "cf::map";	2445	bless $self, "cf::map::wrap";
2166	delete $self->{deny_reset};	2446	delete $self->{deny_reset};
2167	$self->{deny_save} = 1;	2447	$self->{deny_save} = 1;
2168	$self->reset_timeout (1);	2448	$self->reset_timeout (1);
2169	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2449	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2170		2450
…		…
2219		2499
2220	sub unique_maps() {	2500	sub unique_maps() {
2221	[	2501	[
2222	map {	2502	map {
2223	utf8::decode $_;	2503	utf8::decode $_;
2224	/\.map$/	2504	s/\.map$//; # TODO future compatibility hack
		2505	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2506	? ()
2225	? normalise $_	2507	: normalise $_
2226	: ()
2227	} @{ aio_readdir $UNIQUEDIR or [] }	2508	} @{ aio_readdir $UNIQUEDIR or [] }
2228	]	2509	]
2229	}	2510	}
2230		2511
2231	package cf;	2512	=item cf::map::static_maps
		2513
		2514	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2515	file in the shared directory excluding F</styles> and F</editor>). May
		2516	block.
		2517
		2518	=cut
		2519
		2520	sub static_maps() {
		2521	my @dirs = "";
		2522	my @maps;
		2523
		2524	while (@dirs) {
		2525	my $dir = shift @dirs;
		2526
		2527	next if $dir eq "/styles" || $dir eq "/editor";
		2528
		2529	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2530	or return;
		2531
		2532	for (@$files) {
		2533	s/\.map$// or next;
		2534	utf8::decode $_;
		2535	push @maps, "$dir/$_";
		2536	}
		2537
		2538	push @dirs, map "$dir/$_", @$dirs;
		2539	}
		2540
		2541	\@maps
		2542	}
2232		2543
2233	=back	2544	=back
2234		2545
2235	=head3 cf::object	2546	=head3 cf::object
2236		2547
…		…
2240		2551
2241	=over 4	2552	=over 4
2242		2553
2243	=item $ob->inv_recursive	2554	=item $ob->inv_recursive
2244		2555
2245	Returns the inventory of the object _and_ their inventories, recursively.	2556	Returns the inventory of the object I<and> their inventories, recursively,
		2557	but I<not> the object itself.
2246		2558
2247	=cut	2559	=cut
2248		2560
2249	sub inv_recursive_;	2561	sub inv_recursive_;
2250	sub inv_recursive_ {	2562	sub inv_recursive_ {
…		…
2255	inv_recursive_ inv $_[0]	2567	inv_recursive_ inv $_[0]
2256	}	2568	}
2257		2569
2258	=item $ref = $ob->ref	2570	=item $ref = $ob->ref
2259		2571
2260	creates and returns a persistent reference to an objetc that can be stored as a string.	2572	Creates and returns a persistent reference to an object that can be stored as a string.
2261		2573
2262	=item $ob = cf::object::deref ($refstring)	2574	=item $ob = cf::object::deref ($refstring)
2263		2575
2264	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2576	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2265	even if the object actually exists. May block.	2577	even if the object actually exists. May block.
…		…
2267	=cut	2579	=cut
2268		2580
2269	sub deref {	2581	sub deref {
2270	my ($ref) = @_;	2582	my ($ref) = @_;
2271		2583
2272	# temporary compatibility#TODO#remove
2273	$ref =~ s{^<}{player/<};
2274
2275	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2584	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2276	my ($uuid, $name) = ($1, $2);	2585	my ($uuid, $name) = ($1, $2);
2277	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2586	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2278	or return;	2587	or return;
2279	$pl->ob->uuid eq $uuid	2588	$pl->ob->uuid eq $uuid
2280	or return;	2589	or return;
…		…
2300	can be C<undef>. Does the right thing when the player is currently in a	2609	can be C<undef>. Does the right thing when the player is currently in a
2301	dialogue with the given NPC character.	2610	dialogue with the given NPC character.
2302		2611
2303	=cut	2612	=cut
2304		2613
		2614	our $SAY_CHANNEL = {
		2615	id => "say",
		2616	title => "Map",
		2617	reply => "say ",
		2618	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2619	};
		2620
		2621	our $CHAT_CHANNEL = {
		2622	id => "chat",
		2623	title => "Chat",
		2624	reply => "chat ",
		2625	tooltip => "Player chat and shouts, global to the server.",
		2626	};
		2627
2305	# rough implementation of a future "reply" method that works	2628	# rough implementation of a future "reply" method that works
2306	# with dialog boxes.	2629	# with dialog boxes.
2307	#TODO: the first argument must go, split into a $npc->reply_to ( method	2630	#TODO: the first argument must go, split into a $npc->reply_to ( method
2308	sub cf::object::player::reply($$$;$) {	2631	sub cf::object::player::reply($$$;$) {
2309	my ($self, $npc, $msg, $flags) = @_;	2632	my ($self, $npc, $msg, $flags) = @_;
…		…
2320	my $dialog = $pl->{npc_dialog};	2643	my $dialog = $pl->{npc_dialog};
2321	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2644	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2322		2645
2323	} else {	2646	} else {
2324	$msg = $npc->name . " says: $msg" if $npc;	2647	$msg = $npc->name . " says: $msg" if $npc;
2325	$self->message ($msg, $flags);	2648	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2326	}	2649	}
2327	}	2650	}
2328	}	2651	}
2329		2652
2330	=item $object->send_msg ($channel, $msg, $color, [extra...])	2653	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2355		2678
2356	=item $player_object->enter_link	2679	=item $player_object->enter_link
2357		2680
2358	Freezes the player and moves him/her to a special map (C<{link}>).	2681	Freezes the player and moves him/her to a special map (C<{link}>).
2359		2682
2360	The player should be reasonably safe there for short amounts of time. You	2683	The player should be reasonably safe there for short amounts of time (e.g.
2361	I<MUST> call C<leave_link> as soon as possible, though.	2684	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2685	though, as the player cannot control the character while it is on the link
		2686	map.
2362		2687
2363	Will never block.	2688	Will never block.
2364		2689
2365	=item $player_object->leave_link ($map, $x, $y)	2690	=item $player_object->leave_link ($map, $x, $y)
2366		2691
…		…
2386	sub cf::object::player::enter_link {	2711	sub cf::object::player::enter_link {
2387	my ($self) = @_;	2712	my ($self) = @_;
2388		2713
2389	$self->deactivate_recursive;	2714	$self->deactivate_recursive;
2390		2715
		2716	++$self->{_link_recursion};
		2717
2391	return if UNIVERSAL::isa $self->map, "ext::map_link";	2718	return if UNIVERSAL::isa $self->map, "ext::map_link";
2392		2719
2393	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2720	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2394	if $self->map && $self->map->{path} ne "{link}";	2721	if $self->map && $self->map->{path} ne "{link}";
2395		2722
2396	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2723	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2397	}	2724	}
2398		2725
2399	sub cf::object::player::leave_link {	2726	sub cf::object::player::leave_link {
2400	my ($self, $map, $x, $y) = @_;	2727	my ($self, $map, $x, $y) = @_;
2401		2728
…		…
2418	($x, $y) = (-1, -1)	2745	($x, $y) = (-1, -1)
2419	unless (defined $x) && (defined $y);	2746	unless (defined $x) && (defined $y);
2420		2747
2421	# use -1 or undef as default coordinates, not 0, 0	2748	# use -1 or undef as default coordinates, not 0, 0
2422	($x, $y) = ($map->enter_x, $map->enter_y)	2749	($x, $y) = ($map->enter_x, $map->enter_y)
2423	if $x <=0 && $y <= 0;	2750	if $x <= 0 && $y <= 0;
2424		2751
2425	$map->load;	2752	$map->load;
2426	$map->load_neighbours;
2427		2753
2428	return unless $self->contr->active;	2754	return unless $self->contr->active;
2429	$self->activate_recursive;
2430		2755
2431	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2756	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2432	$self->enter_map ($map, $x, $y);	2757	if ($self->enter_map ($map, $x, $y)) {
2433	}	2758	# entering was successful
		2759	delete $self->{_link_recursion};
		2760	# only activate afterwards, to support waiting in hooks
		2761	$self->activate_recursive;
		2762	}
2434		2763
		2764	}
		2765
2435	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2766	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2436		2767
2437	Moves the player to the given map-path and coordinates by first freezing	2768	Moves the player to the given map-path and coordinates by first freezing
2438	her, loading and preparing them map, calling the provided $check callback	2769	her, loading and preparing them map, calling the provided $check callback
2439	that has to return the map if sucecssful, and then unfreezes the player on	2770	that has to return the map if sucecssful, and then unfreezes the player on
2440	the new (success) or old (failed) map position. In either case, $done will	2771	the new (success) or old (failed) map position. In either case, $done will
2441	be called at the end of this process.	2772	be called at the end of this process.
2442		2773
		2774	Note that $check will be called with a potentially non-loaded map, so if
		2775	it needs a loaded map it has to call C<< ->load >>.
		2776
2443	=cut	2777	=cut
2444		2778
2445	our $GOTOGEN;	2779	our $GOTOGEN;
2446		2780
2447	sub cf::object::player::goto {	2781	sub cf::object::player::goto {
2448	my ($self, $path, $x, $y, $check, $done) = @_;	2782	my ($self, $path, $x, $y, $check, $done) = @_;
2449		2783
		2784	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2785	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2786	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2787	($path, $x, $y) = @$EMERGENCY_POSITION;
		2788	}
		2789
2450	# do generation counting so two concurrent goto's will be executed in-order	2790	# do generation counting so two concurrent goto's will be executed in-order
2451	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2791	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2452		2792
2453	$self->enter_link;	2793	$self->enter_link;
2454		2794
2455	(async {	2795	(async {
		2796	$Coro::current->{desc} = "player::goto $path $x $y";
		2797
2456	# *tag paths override both path and x|y	2798	# *tag paths override both path and x|y
2457	if ($path =~ /^\*(.*)$/) {	2799	if ($path =~ /^\*(.*)$/) {
2458	if (my @obs = grep $_->map, ext::map_tags::find $1) {	2800	if (my @obs = grep $_->map, ext::map_tags::find $1) {
2459	my $ob = $obs[rand @obs];	2801	my $ob = $obs[rand @obs];
2460		2802
…		…
2471	($path, $x, $y) = (undef, undef, undef);	2813	($path, $x, $y) = (undef, undef, undef);
2472	}	2814	}
2473	}	2815	}
2474		2816
2475	my $map = eval {	2817	my $map = eval {
2476	my $map = defined $path ? cf::map::find $path : undef;	2818	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2477		2819
2478	if ($map) {	2820	if ($map) {
2479	$map = $map->customise_for ($self);	2821	$map = $map->customise_for ($self);
2480	$map = $check->($map) if $check && $map;	2822	$map = $check->($map, $x, $y, $self) if $check && $map;
2481	} else {	2823	} else {
2482	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2824	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2483	}	2825	}
2484		2826
2485	$map	2827	$map
…		…
2493	if ($gen == $self->{_goto_generation}) {	2835	if ($gen == $self->{_goto_generation}) {
2494	delete $self->{_goto_generation};	2836	delete $self->{_goto_generation};
2495	$self->leave_link ($map, $x, $y);	2837	$self->leave_link ($map, $x, $y);
2496	}	2838	}
2497		2839
2498	$done->() if $done;	2840	$done->($self) if $done;
2499	})->prio (1);	2841	})->prio (1);
2500	}	2842	}
2501		2843
2502	=item $player_object->enter_exit ($exit_object)	2844	=item $player_object->enter_exit ($exit_object)
2503		2845
…		…
2523	}	2865	}
2524		2866
2525	sub prepare_random_map {	2867	sub prepare_random_map {
2526	my ($exit) = @_;	2868	my ($exit) = @_;
2527		2869
2528	my $guard = cf::lock_acquire "exit_prepare:$exit";
2529
2530	# all this does is basically replace the /! path by	2870	# all this does is basically replace the /! path by
2531	# a new random map path (?random/...) with a seed	2871	# a new random map path (?random/...) with a seed
2532	# that depends on the exit object	2872	# that depends on the exit object
2533		2873
2534	my $rmp = parse_random_map_params $exit->msg;	2874	my $rmp = parse_random_map_params $exit->msg;
…		…
2536	if ($exit->map) {	2876	if ($exit->map) {
2537	$rmp->{region} = $exit->region->name;	2877	$rmp->{region} = $exit->region->name;
2538	$rmp->{origin_map} = $exit->map->path;	2878	$rmp->{origin_map} = $exit->map->path;
2539	$rmp->{origin_x} = $exit->x;	2879	$rmp->{origin_x} = $exit->x;
2540	$rmp->{origin_y} = $exit->y;	2880	$rmp->{origin_y} = $exit->y;
		2881
		2882	$exit->map->touch;
2541	}	2883	}
2542		2884
2543	$rmp->{random_seed} ||= $exit->random_seed;	2885	$rmp->{random_seed} ||= $exit->random_seed;
2544		2886
2545	my $data = cf::to_json $rmp;	2887	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2546	my $md5 = Digest::MD5::md5_hex $data;	2888	my $md5 = Digest::MD5::md5_hex $data;
2547	my $meta = "$RANDOMDIR/$md5.meta";	2889	my $meta = "$RANDOMDIR/$md5.meta";
2548		2890
2549	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2891	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2550	aio_write $fh, 0, (length $data), $data, 0;	2892	aio_write $fh, 0, (length $data), $data, 0;
2551	undef $fh;	2893	undef $fh;
2552	aio_rename "$meta~", $meta;	2894	aio_rename "$meta~", $meta;
2553		2895
		2896	my $slaying = "?random/$md5";
		2897
		2898	if ($exit->valid) {
2554	$exit->slaying ("?random/$md5");	2899	$exit->slaying ("?random/$md5");
2555	$exit->msg (undef);	2900	$exit->msg (undef);
		2901	}
2556	}	2902	}
2557	}	2903	}
2558		2904
2559	sub cf::object::player::enter_exit {	2905	sub cf::object::player::enter_exit {
2560	my ($self, $exit) = @_;	2906	my ($self, $exit) = @_;
2561		2907
2562	return unless $self->type == cf::PLAYER;	2908	return unless $self->type == cf::PLAYER;
2563		2909
2564	if ($exit->slaying eq "/!") {
2565	#TODO: this should de-fi-ni-te-ly not be a sync-job
2566	# the problem is that $exit might not survive long enough
2567	# so it needs to be done right now, right here
2568	cf::sync_job { prepare_random_map $exit };
2569	}
2570
2571	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2572	my $hp = $exit->stats->hp;
2573	my $sp = $exit->stats->sp;
2574
2575	$self->enter_link;	2910	$self->enter_link;
2576		2911
2577	# if exit is damned, update players death & WoR home-position
2578	$self->contr->savebed ($slaying, $hp, $sp)
2579	if $exit->flag (FLAG_DAMNED);
2580
2581	(async {	2912	(async {
2582	$self->deactivate_recursive; # just to be sure	2913	$Coro::current->{desc} = "enter_exit";
		2914
2583	unless (eval {	2915	unless (eval {
		2916	$self->deactivate_recursive; # just to be sure
		2917
		2918	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2919	my $x = $exit->stats->hp;
		2920	my $y = $exit->stats->sp;
		2921
		2922	# special map handling
		2923	my $slaying = $exit->slaying;
		2924
		2925	# special map handling
		2926	if ($slaying eq "/!") {
		2927	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2928
		2929	prepare_random_map $exit
		2930	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2931
		2932	$map = $exit->slaying;
		2933
		2934	} elsif ($slaying eq '!up') {
		2935	$map = $exit->map->tile_path (cf::TILE_UP);
		2936	$x = $exit->x;
		2937	$y = $exit->y;
		2938
		2939	} elsif ($slaying eq '!down') {
		2940	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2941	$x = $exit->x;
		2942	$y = $exit->y;
		2943	}
		2944
2584	$self->goto ($slaying, $hp, $sp);	2945	$self->goto ($map, $x, $y);
2585		2946
		2947	# if exit is damned, update players death & WoR home-position
		2948	$self->contr->savebed ($map, $x, $y)
		2949	if $exit->flag (cf::FLAG_DAMNED);
		2950
2586	1;	2951	1
2587	}) {	2952	}) {
2588	$self->message ("Something went wrong deep within the crossfire server. "	2953	$self->message ("Something went wrong deep within the deliantra server. "
2589	. "I'll try to bring you back to the map you were before. "	2954	. "I'll try to bring you back to the map you were before. "
2590	. "Please report this to the dungeon master!",	2955	. "Please report this to the dungeon master!",
2591	cf::NDI_UNIQUE | cf::NDI_RED);	2956	cf::NDI_UNIQUE | cf::NDI_RED);
2592		2957
2593	warn "ERROR in enter_exit: $@";	2958	error "ERROR in enter_exit: $@";
2594	$self->leave_link;	2959	$self->leave_link;
2595	}	2960	}
2596	})->prio (1);	2961	})->prio (1);
2597	}	2962	}
2598		2963
…		…
2610	sub cf::client::send_drawinfo {	2975	sub cf::client::send_drawinfo {
2611	my ($self, $text, $flags) = @_;	2976	my ($self, $text, $flags) = @_;
2612		2977
2613	utf8::encode $text;	2978	utf8::encode $text;
2614	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2979	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2980	}
		2981
		2982	=item $client->send_big_packet ($pkt)
		2983
		2984	Like C<send_packet>, but tries to compress large packets, and fragments
		2985	them as required.
		2986
		2987	=cut
		2988
		2989	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2990
		2991	sub cf::client::send_big_packet {
		2992	my ($self, $pkt) = @_;
		2993
		2994	# try lzf for large packets
		2995	$pkt = "lzf " . Compress::LZF::compress $pkt
		2996	if 1024 <= length $pkt and $self->{can_lzf};
		2997
		2998	# split very large packets
		2999	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3000	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3001	$pkt = "frag";
		3002	}
		3003
		3004	$self->send_packet ($pkt);
2615	}	3005	}
2616		3006
2617	=item $client->send_msg ($channel, $msg, $color, [extra...])	3007	=item $client->send_msg ($channel, $msg, $color, [extra...])
2618		3008
2619	Send a drawinfo or msg packet to the client, formatting the msg for the	3009	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2621	the message, with C<log> being the default. If C<$color> is negative, suppress	3011	the message, with C<log> being the default. If C<$color> is negative, suppress
2622	the message unless the client supports the msg packet.	3012	the message unless the client supports the msg packet.
2623		3013
2624	=cut	3014	=cut
2625		3015
		3016	# non-persistent channels (usually the info channel)
2626	our %CHANNEL = (	3017	our %CHANNEL = (
		3018	"c/motd" => {
		3019	id => "infobox",
		3020	title => "MOTD",
		3021	reply => undef,
		3022	tooltip => "The message of the day",
		3023	},
2627	"c/identify" => {	3024	"c/identify" => {
2628	id => "identify",	3025	id => "infobox",
2629	title => "Identify",	3026	title => "Identify",
2630	reply => undef,	3027	reply => undef,
2631	tooltip => "Items recently identified",	3028	tooltip => "Items recently identified",
2632	},	3029	},
2633	"c/examine" => {	3030	"c/examine" => {
2634	id => "examine",	3031	id => "infobox",
2635	title => "Examine",	3032	title => "Examine",
2636	reply => undef,	3033	reply => undef,
2637	tooltip => "Signs and other items you examined",	3034	tooltip => "Signs and other items you examined",
2638	},	3035	},
		3036	"c/shopinfo" => {
		3037	id => "infobox",
		3038	title => "Shop Info",
		3039	reply => undef,
		3040	tooltip => "What your bargaining skill tells you about the shop",
		3041	},
		3042	"c/book" => {
		3043	id => "infobox",
		3044	title => "Book",
		3045	reply => undef,
		3046	tooltip => "The contents of a note or book",
		3047	},
		3048	"c/lookat" => {
		3049	id => "infobox",
		3050	title => "Look",
		3051	reply => undef,
		3052	tooltip => "What you saw there",
		3053	},
		3054	"c/who" => {
		3055	id => "infobox",
		3056	title => "Players",
		3057	reply => undef,
		3058	tooltip => "Shows players who are currently online",
		3059	},
		3060	"c/body" => {
		3061	id => "infobox",
		3062	title => "Body Parts",
		3063	reply => undef,
		3064	tooltip => "Shows which body parts you posess and are available",
		3065	},
		3066	"c/statistics" => {
		3067	id => "infobox",
		3068	title => "Statistics",
		3069	reply => undef,
		3070	tooltip => "Shows your primary statistics",
		3071	},
		3072	"c/skills" => {
		3073	id => "infobox",
		3074	title => "Skills",
		3075	reply => undef,
		3076	tooltip => "Shows your experience per skill and item power",
		3077	},
		3078	"c/shopitems" => {
		3079	id => "infobox",
		3080	title => "Shop Items",
		3081	reply => undef,
		3082	tooltip => "Shows the items currently for sale in this shop",
		3083	},
		3084	"c/resistances" => {
		3085	id => "infobox",
		3086	title => "Resistances",
		3087	reply => undef,
		3088	tooltip => "Shows your resistances",
		3089	},
		3090	"c/pets" => {
		3091	id => "infobox",
		3092	title => "Pets",
		3093	reply => undef,
		3094	tooltip => "Shows information abotu your pets/a specific pet",
		3095	},
		3096	"c/perceiveself" => {
		3097	id => "infobox",
		3098	title => "Perceive Self",
		3099	reply => undef,
		3100	tooltip => "You gained detailed knowledge about yourself",
		3101	},
		3102	"c/uptime" => {
		3103	id => "infobox",
		3104	title => "Uptime",
		3105	reply => undef,
		3106	tooltip => "How long the server has been running since last restart",
		3107	},
		3108	"c/mapinfo" => {
		3109	id => "infobox",
		3110	title => "Map Info",
		3111	reply => undef,
		3112	tooltip => "Information related to the maps",
		3113	},
		3114	"c/party" => {
		3115	id => "party",
		3116	title => "Party",
		3117	reply => "gsay ",
		3118	tooltip => "Messages and chat related to your party",
		3119	},
		3120	"c/death" => {
		3121	id => "death",
		3122	title => "Death",
		3123	reply => undef,
		3124	tooltip => "Reason for and more info about your most recent death",
		3125	},
		3126	"c/say" => $SAY_CHANNEL,
		3127	"c/chat" => $CHAT_CHANNEL,
2639	);	3128	);
2640		3129
2641	sub cf::client::send_msg {	3130	sub cf::client::send_msg {
2642	my ($self, $channel, $msg, $color, @extra) = @_;	3131	my ($self, $channel, $msg, $color, @extra) = @_;
2643		3132
2644	$msg = $self->pl->expand_cfpod ($msg);	3133	$msg = $self->pl->expand_cfpod ($msg)
		3134	unless $color & cf::NDI_VERBATIM;
2645		3135
2646	$color &= cf::NDI_CLIENT_MASK; # just in case...	3136	$color &= cf::NDI_CLIENT_MASK; # just in case...
2647		3137
2648	# check predefined channels, for the benefit of C	3138	# check predefined channels, for the benefit of C
2649	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	3139	if ($CHANNEL{$channel}) {
		3140	$channel = $CHANNEL{$channel};
2650		3141
		3142	$self->ext_msg (channel_info => $channel);
		3143	$channel = $channel->{id};
		3144
2651	if (ref $channel) {	3145	} elsif (ref $channel) {
2652	# send meta info to client, if not yet sent	3146	# send meta info to client, if not yet sent
2653	unless (exists $self->{channel}{$channel->{id}}) {	3147	unless (exists $self->{channel}{$channel->{id}}) {
2654	$self->{channel}{$channel->{id}} = $channel;	3148	$self->{channel}{$channel->{id}} = $channel;
2655	$self->ext_msg (channel_info => $channel)	3149	$self->ext_msg (channel_info => $channel);
2656	if $self->can_msg;
2657	}	3150	}
2658		3151
2659	$channel = $channel->{id};	3152	$channel = $channel->{id};
2660	}	3153	}
2661		3154
2662	return unless @extra || length $msg;	3155	return unless @extra || length $msg;
2663		3156
2664	if ($self->can_msg) {
2665	# default colour, mask it out	3157	# default colour, mask it out
2666	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3158	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2667	if $color & cf::NDI_DEF;	3159	if $color & cf::NDI_DEF;
2668		3160
2669	$self->send_packet ("msg " . $self->{json_coder}->encode (	3161	my $pkt = "msg "
		3162	. $self->{json_coder}->encode (
2670	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3163	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2671	} else {	3164	);
2672	if ($color >= 0) {
2673	# replace some tags by gcfclient-compatible ones
2674	for ($msg) {
2675	1 while
2676	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2677	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2678	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2679	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2680	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2681	}
2682		3165
2683	$color &= cf::NDI_COLOR_MASK;	3166	$self->send_big_packet ($pkt);
2684
2685	utf8::encode $msg;
2686
2687	if (0 && $msg =~ /\[/) {
2688	# COMMAND/INFO
2689	$self->send_packet ("drawextinfo $color 10 8 $msg")
2690	} else {
2691	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2692	$self->send_packet ("drawinfo $color $msg")
2693	}
2694	}
2695	}
2696	}	3167	}
2697		3168
2698	=item $client->ext_msg ($type, @msg)	3169	=item $client->ext_msg ($type, @msg)
2699		3170
2700	Sends an ext event to the client.	3171	Sends an ext event to the client.
…		…
2703		3174
2704	sub cf::client::ext_msg($$@) {	3175	sub cf::client::ext_msg($$@) {
2705	my ($self, $type, @msg) = @_;	3176	my ($self, $type, @msg) = @_;
2706		3177
2707	if ($self->extcmd == 2) {	3178	if ($self->extcmd == 2) {
2708	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2709	} elsif ($self->extcmd == 1) { # TODO: remove	3180	} elsif ($self->extcmd == 1) { # TODO: remove
2710	push @msg, msgtype => "event_$type";	3181	push @msg, msgtype => "event_$type";
2711	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3182	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2712	}	3183	}
2713	}	3184	}
2714		3185
2715	=item $client->ext_reply ($msgid, @msg)	3186	=item $client->ext_reply ($msgid, @msg)
2716		3187
…		…
2720		3191
2721	sub cf::client::ext_reply($$@) {	3192	sub cf::client::ext_reply($$@) {
2722	my ($self, $id, @msg) = @_;	3193	my ($self, $id, @msg) = @_;
2723		3194
2724	if ($self->extcmd == 2) {	3195	if ($self->extcmd == 2) {
2725	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3196	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2726	} elsif ($self->extcmd == 1) {	3197	} elsif ($self->extcmd == 1) {
2727	#TODO: version 1, remove	3198	#TODO: version 1, remove
2728	unshift @msg, msgtype => "reply", msgid => $id;	3199	unshift @msg, msgtype => "reply", msgid => $id;
2729	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3200	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2730	}	3201	}
2731	}	3202	}
2732		3203
2733	=item $success = $client->query ($flags, "text", \&cb)	3204	=item $success = $client->query ($flags, "text", \&cb)
2734		3205
…		…
2805		3276
2806	$ns->ext_reply ($reply, @reply)	3277	$ns->ext_reply ($reply, @reply)
2807	if $reply;	3278	if $reply;
2808		3279
2809	} else {	3280	} else {
2810	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3281	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2811	}	3282	}
2812		3283
2813	cf::override;	3284	cf::override;
2814	},	3285	},
2815	);	3286	);
…		…
2835		3306
2836	$coro	3307	$coro
2837	}	3308	}
2838		3309
2839	cf::client->attach (	3310	cf::client->attach (
2840	on_destroy => sub {	3311	on_client_destroy => sub {
2841	my ($ns) = @_;	3312	my ($ns) = @_;
2842		3313
2843	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3314	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2844	},	3315	},
2845	);	3316	);
…		…
2861	our $safe_hole = new Safe::Hole;	3332	our $safe_hole = new Safe::Hole;
2862		3333
2863	$SIG{FPE} = 'IGNORE';	3334	$SIG{FPE} = 'IGNORE';
2864		3335
2865	$safe->permit_only (Opcode::opset qw(	3336	$safe->permit_only (Opcode::opset qw(
2866	:base_core :base_mem :base_orig :base_math	3337	:base_core :base_mem :base_orig :base_math :base_loop
2867	grepstart grepwhile mapstart mapwhile	3338	grepstart grepwhile mapstart mapwhile
2868	sort time	3339	sort time
2869	));	3340	));
2870		3341
2871	# here we export the classes and methods available to script code	3342	# here we export the classes and methods available to script code
…		…
2873	=pod	3344	=pod
2874		3345
2875	The following functions and methods are available within a safe environment:	3346	The following functions and methods are available within a safe environment:
2876		3347
2877	cf::object	3348	cf::object
2878	contr pay_amount pay_player map x y force_find force_add	3349	contr pay_amount pay_player map x y force_find force_add destroy
2879	insert remove name archname title slaying race decrease_ob_nr	3350	insert remove name archname title slaying race decrease split
		3351	value
2880		3352
2881	cf::object::player	3353	cf::object::player
2882	player	3354	player
2883		3355
2884	cf::player	3356	cf::player
…		…
2889		3361
2890	=cut	3362	=cut
2891		3363
2892	for (	3364	for (
2893	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3365	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2894	insert remove inv name archname title slaying race	3366	insert remove inv nrof name archname title slaying race
2895	decrease_ob_nr)],	3367	decrease split destroy change_exp value msg lore send_msg)],
2896	["cf::object::player" => qw(player)],	3368	["cf::object::player" => qw(player)],
2897	["cf::player" => qw(peaceful)],	3369	["cf::player" => qw(peaceful send_msg)],
2898	["cf::map" => qw(trigger)],	3370	["cf::map" => qw(trigger)],
2899	) {	3371	) {
2900	no strict 'refs';
2901	my ($pkg, @funs) = @$_;	3372	my ($pkg, @funs) = @$_;
2902	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3373	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2903	for @funs;	3374	for @funs;
2904	}	3375	}
2905		3376
…		…
2920		3391
2921	my $qcode = $code;	3392	my $qcode = $code;
2922	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3393	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2923	$qcode =~ s/\n/\\n/g;	3394	$qcode =~ s/\n/\\n/g;
2924		3395
		3396	%vars = (_dummy => 0) unless %vars;
		3397
		3398	my @res;
2925	local $_;	3399	local $_;
2926	local @safe::cf::_safe_eval_args = values %vars;
2927		3400
2928	my $eval =	3401	my $eval =
2929	"do {\n"	3402	"do {\n"
2930	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3403	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2931	. "#line 0 \"{$qcode}\"\n"	3404	. "#line 0 \"{$qcode}\"\n"
2932	. $code	3405	. $code
2933	. "\n}"	3406	. "\n}"
2934	;	3407	;
2935		3408
		3409	if ($CFG{safe_eval}) {
2936	sub_generation_inc;	3410	sub_generation_inc;
		3411	local @safe::cf::_safe_eval_args = values %vars;
2937	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3412	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2938	sub_generation_inc;	3413	sub_generation_inc;
		3414	} else {
		3415	local @cf::_safe_eval_args = values %vars;
		3416	@res = wantarray ? eval eval : scalar eval $eval;
		3417	}
2939		3418
2940	if ($@) {	3419	if ($@) {
2941	warn "$@";	3420	warn "$@",
2942	warn "while executing safe code '$code'\n";	3421	"while executing safe code '$code'\n",
2943	warn "with arguments " . (join " ", %vars) . "\n";	3422	"with arguments " . (join " ", %vars) . "\n";
2944	}	3423	}
2945		3424
2946	wantarray ? @res : $res[0]	3425	wantarray ? @res : $res[0]
2947	}	3426	}
2948		3427
…		…
2962	=cut	3441	=cut
2963		3442
2964	sub register_script_function {	3443	sub register_script_function {
2965	my ($fun, $cb) = @_;	3444	my ($fun, $cb) = @_;
2966		3445
2967	no strict 'refs';	3446	$fun = "safe::$fun" if $CFG{safe_eval};
2968	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3447	*$fun = $safe_hole->wrap ($cb);
2969	}	3448	}
2970		3449
2971	=back	3450	=back
2972		3451
2973	=cut	3452	=cut
…		…
2982	# for this (global event?)	3461	# for this (global event?)
2983	%ext::player_env::MUSIC_FACE_CACHE = ();	3462	%ext::player_env::MUSIC_FACE_CACHE = ();
2984		3463
2985	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3464	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2986		3465
2987	warn "loading facedata from $path\n";	3466	trace "loading facedata from $path\n";
2988		3467
2989	my $facedata;	3468	my $facedata = decode_storable load_file $path;
2990	0 < aio_load $path, $facedata
2991	or die "$path: $!";
2992
2993	$facedata = Coro::Storable::thaw $facedata;
2994		3469
2995	$facedata->{version} == 2	3470	$facedata->{version} == 2
2996	or cf::cleanup "$path: version mismatch, cannot proceed.";	3471	or cf::cleanup "$path: version mismatch, cannot proceed.";
2997		3472
2998	# patch in the exptable	3473	# patch in the exptable
		3474	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2999	$facedata->{resource}{"res/exp_table"} = {	3475	$facedata->{resource}{"res/exp_table"} = {
3000	type => FT_RSRC,	3476	type => FT_RSRC,
3001	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3477	data => $exp_table,
		3478	hash => (Digest::MD5::md5 $exp_table),
3002	};	3479	};
3003	cf::cede_to_tick;	3480	cf::cede_to_tick;
3004		3481
3005	{	3482	{
3006	my $faces = $facedata->{faceinfo};	3483	my $faces = $facedata->{faceinfo};
3007		3484
3008	while (my ($face, $info) = each %$faces) {	3485	while (my ($face, $info) = each %$faces) {
3009	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3486	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3487
3010	cf::face::set_visibility $idx, $info->{visibility};	3488	cf::face::set_visibility $idx, $info->{visibility};
3011	cf::face::set_magicmap $idx, $info->{magicmap};	3489	cf::face::set_magicmap $idx, $info->{magicmap};
3012	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3490	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3013	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3491	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3492	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3014		3493
3015	cf::cede_to_tick;	3494	cf::cede_to_tick;
3016	}	3495	}
3017		3496
3018	while (my ($face, $info) = each %$faces) {	3497	while (my ($face, $info) = each %$faces) {
3019	next unless $info->{smooth};	3498	next unless $info->{smooth};
		3499
3020	my $idx = cf::face::find $face	3500	my $idx = cf::face::find $face
3021	or next;	3501	or next;
		3502
3022	if (my $smooth = cf::face::find $info->{smooth}) {	3503	if (my $smooth = cf::face::find $info->{smooth}) {
3023	cf::face::set_smooth $idx, $smooth;	3504	cf::face::set_smooth $idx, $smooth;
3024	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3505	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3025	} else {	3506	} else {
3026	warn "smooth face '$info->{smooth}' not found for face '$face'";	3507	error "smooth face '$info->{smooth}' not found for face '$face'";
3027	}	3508	}
3028		3509
3029	cf::cede_to_tick;	3510	cf::cede_to_tick;
3030	}	3511	}
3031	}	3512	}
…		…
3040		3521
3041	cf::anim::invalidate_all; # d'oh	3522	cf::anim::invalidate_all; # d'oh
3042	}	3523	}
3043		3524
3044	{	3525	{
3045	# TODO: for gcfclient pleasure, we should give resources
3046	# that gcfclient doesn't grok a >10000 face index.
3047	my $res = $facedata->{resource};	3526	my $res = $facedata->{resource};
3048		3527
3049	my $soundconf = delete $res->{"res/sound.conf"};
3050
3051	while (my ($name, $info) = each %$res) {	3528	while (my ($name, $info) = each %$res) {
		3529	if (defined $info->{type}) {
3052	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3530	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3053	my $data;
3054		3531
3055	if ($info->{type} & 1) {	3532	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3056	# prepend meta info	3533	cf::face::set_type $idx, $info->{type};
3057
3058	my $meta = $enc->encode ({
3059	name => $name,
3060	%{ $info->{meta} || {} },
3061	});
3062
3063	$data = pack "(w/a*)*", $meta, $info->{data};
3064	} else {	3534	} else {
3065	$data = $info->{data};	3535	$RESOURCE{$name} = $info; # unused
3066	}	3536	}
3067		3537
3068	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3069	cf::face::set_type $idx, $info->{type};
3070
3071	cf::cede_to_tick;	3538	cf::cede_to_tick;
3072	}	3539	}
3073
3074	if ($soundconf) {
3075	$soundconf = $enc->decode (delete $soundconf->{data});
3076
3077	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3078	my $sound = $soundconf->{compat}[$_]
3079	or next;
3080
3081	my $face = cf::face::find "sound/$sound->[1]";
3082	cf::sound::set $sound->[0] => $face;
3083	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3084	}
3085
3086	while (my ($k, $v) = each %{$soundconf->{event}}) {
3087	my $face = cf::face::find "sound/$v";
3088	cf::sound::set $k => $face;
3089	}
3090	}
3091	}	3540	}
		3541
		3542	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3092		3543
3093	1	3544	1
3094	}	3545	}
3095		3546
3096	register_exticmd fx_want => sub {	3547	register_exticmd fx_want => sub {
…		…
3098		3549
3099	while (my ($k, $v) = each %$want) {	3550	while (my ($k, $v) = each %$want) {
3100	$ns->fx_want ($k, $v);	3551	$ns->fx_want ($k, $v);
3101	}	3552	}
3102	};	3553	};
		3554
		3555	sub load_resource_file($) {
		3556	my $guard = lock_acquire "load_resource_file";
		3557
		3558	my $status = load_resource_file_ $_[0];
		3559	get_slot 0.1, 100;
		3560	cf::arch::commit_load;
		3561
		3562	$status
		3563	}
3103		3564
3104	sub reload_regions {	3565	sub reload_regions {
3105	# HACK to clear player env face cache, we need some signal framework	3566	# HACK to clear player env face cache, we need some signal framework
3106	# for this (global event?)	3567	# for this (global event?)
3107	%ext::player_env::MUSIC_FACE_CACHE = ();	3568	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3121	}	3582	}
3122		3583
3123	sub reload_archetypes {	3584	sub reload_archetypes {
3124	load_resource_file "$DATADIR/archetypes"	3585	load_resource_file "$DATADIR/archetypes"
3125	or die "unable to load archetypes\n";	3586	or die "unable to load archetypes\n";
3126	#d# NEED to laod twice to resolve forward references
3127	# this really needs to be done in an extra post-pass
3128	# (which needs to be synchronous, so solve it differently)
3129	load_resource_file "$DATADIR/archetypes"
3130	or die "unable to load archetypes\n";
3131	}	3587	}
3132		3588
3133	sub reload_treasures {	3589	sub reload_treasures {
3134	load_resource_file "$DATADIR/treasures"	3590	load_resource_file "$DATADIR/treasures"
3135	or die "unable to load treasurelists\n";	3591	or die "unable to load treasurelists\n";
3136	}	3592	}
3137		3593
		3594	sub reload_sound {
		3595	trace "loading sound config from $DATADIR/sound\n";
		3596
		3597	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3598
		3599	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3600	my $sound = $soundconf->{compat}[$_]
		3601	or next;
		3602
		3603	my $face = cf::face::find "sound/$sound->[1]";
		3604	cf::sound::set $sound->[0] => $face;
		3605	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3606	}
		3607
		3608	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3609	my $face = cf::face::find "sound/$v";
		3610	cf::sound::set $k => $face;
		3611	}
		3612	}
		3613
3138	sub reload_resources {	3614	sub reload_resources {
3139	warn "reloading resource files...\n";	3615	trace "reloading resource files...\n";
3140		3616
		3617	reload_exp_table;
		3618	reload_materials;
		3619	reload_facedata;
		3620	reload_sound;
		3621	reload_archetypes;
3141	reload_regions;	3622	reload_regions;
3142	reload_facedata;
3143	#reload_archetypes;#d#
3144	reload_archetypes;
3145	reload_treasures;	3623	reload_treasures;
3146		3624
3147	warn "finished reloading resource files\n";	3625	trace "finished reloading resource files\n";
3148	}
3149
3150	sub init {
3151	reload_resources;
3152	}	3626	}
3153		3627
3154	sub reload_config {	3628	sub reload_config {
3155	open my $fh, "<:utf8", "$CONFDIR/config"	3629	trace "reloading config file...\n";
3156	or return;
3157		3630
3158	local $/;	3631	my $config = load_file "$CONFDIR/config";
3159	*CFG = YAML::Syck::Load <$fh>;	3632	utf8::decode $config;
		3633	*CFG = decode_yaml $config;
3160		3634
3161	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3635	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3162		3636
3163	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3637	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3164	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3638	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3165		3639
3166	if (exists $CFG{mlockall}) {	3640	if (exists $CFG{mlockall}) {
…		…
3170	};	3644	};
3171	warn $@ if $@;	3645	warn $@ if $@;
3172	}	3646	}
3173	}	3647	}
3174		3648
		3649	sub pidfile() {
		3650	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3651	or die "$PIDFILE: $!";
		3652	flock $fh, &Fcntl::LOCK_EX
		3653	or die "$PIDFILE: flock: $!";
		3654	$fh
		3655	}
		3656
		3657	# make sure only one server instance is running at any one time
		3658	sub atomic {
		3659	my $fh = pidfile;
		3660
		3661	my $pid = <$fh>;
		3662	kill 9, $pid if $pid > 0;
		3663
		3664	seek $fh, 0, 0;
		3665	print $fh $$;
		3666	}
		3667
		3668	sub main_loop {
		3669	trace "EV::loop starting\n";
		3670	if (1) {
		3671	EV::loop;
		3672	}
		3673	trace "EV::loop returned\n";
		3674	goto &main_loop unless $REALLY_UNLOOP;
		3675	}
		3676
3175	sub main {	3677	sub main {
		3678	cf::init_globals; # initialise logging
		3679
		3680	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3681	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3682	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3683	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3684
		3685	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3686
3176	# we must not ever block the main coroutine	3687	# we must not ever block the main coroutine
3177	local $Coro::idle = sub {	3688	local $Coro::idle = sub {
3178	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3689	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3179	(async {	3690	(async {
3180	Event::one_event;	3691	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3692	EV::loop EV::LOOP_ONESHOT;
3181	})->prio (Coro::PRIO_MAX);	3693	})->prio (Coro::PRIO_MAX);
3182	};	3694	};
3183		3695
		3696	evthread_start IO::AIO::poll_fileno;
		3697
		3698	cf::sync_job {
		3699	cf::incloader::init ();
		3700
		3701	cf::init_anim;
		3702	cf::init_attackmess;
		3703	cf::init_dynamic;
		3704
		3705	cf::load_settings;
		3706
		3707	reload_resources;
3184	reload_config;	3708	reload_config;
3185	db_init;	3709	db_init;
		3710
		3711	cf::init_uuid;
		3712	cf::init_signals;
		3713	cf::init_skills;
		3714
		3715	cf::init_beforeplay;
		3716
		3717	atomic;
		3718
3186	load_extensions;	3719	load_extensions;
3187		3720
3188	$TICK_WATCHER->start;	3721	utime time, time, $RUNTIMEFILE;
3189	Event::loop;	3722
		3723	# no (long-running) fork's whatsoever before this point(!)
		3724	use POSIX ();
		3725	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3726
		3727	cf::_post_init 0;
		3728	};
		3729
		3730	cf::object::thawer::errors_are_fatal 0;
		3731	info "parse errors in files are no longer fatal from this point on.\n";
		3732
		3733	AE::postpone {
		3734	undef &main; # free gobs of memory :)
		3735	};
		3736
		3737	goto &main_loop;
3190	}	3738	}
3191		3739
3192	#############################################################################	3740	#############################################################################
3193	# initialisation and cleanup	3741	# initialisation and cleanup
3194		3742
3195	# install some emergency cleanup handlers	3743	# install some emergency cleanup handlers
3196	BEGIN {	3744	BEGIN {
		3745	our %SIGWATCHER = ();
3197	for my $signal (qw(INT HUP TERM)) {	3746	for my $signal (qw(INT HUP TERM)) {
3198	Event->signal (	3747	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3199	reentrant => 0,
3200	data => WF_AUTOCANCEL,
3201	signal => $signal,
3202	prio => 0,
3203	cb => sub {
3204	cf::cleanup "SIG$signal";	3748	cf::cleanup "SIG$signal";
3205	},
3206	);	3749	};
3207	}	3750	}
3208	}	3751	}
3209		3752
3210	sub write_runtime {	3753	sub write_runtime_sync {
3211	my $runtime = "$LOCALDIR/runtime";	3754	my $t0 = AE::time;
3212		3755
3213	# first touch the runtime file to show we are still running:	3756	# first touch the runtime file to show we are still running:
3214	# the fsync below can take a very very long time.	3757	# the fsync below can take a very very long time.
3215		3758
3216	IO::AIO::aio_utime $runtime, undef, undef;	3759	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3217		3760
3218	my $guard = cf::lock_acquire "write_runtime";	3761	my $guard = cf::lock_acquire "write_runtime";
3219		3762
3220	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3763	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3221	or return;	3764	or return;
3222		3765
3223	my $value = $cf::RUNTIME + 90 + 10;	3766	my $value = $cf::RUNTIME + 90 + 10;
3224	# 10 is the runtime save interval, for a monotonic clock	3767	# 10 is the runtime save interval, for a monotonic clock
3225	# 60 allows for the watchdog to kill the server.	3768	# 60 allows for the watchdog to kill the server.
…		…
3235	aio_utime $fh, undef, undef;	3778	aio_utime $fh, undef, undef;
3236		3779
3237	close $fh	3780	close $fh
3238	or return;	3781	or return;
3239		3782
3240	aio_rename "$runtime~", $runtime	3783	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3241	and return;	3784	and return;
3242		3785
3243	warn "runtime file written.\n";	3786	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3244		3787
3245	1	3788	1
		3789	}
		3790
		3791	our $uuid_lock;
		3792	our $uuid_skip;
		3793
		3794	sub write_uuid_sync($) {
		3795	$uuid_skip ||= $_[0];
		3796
		3797	return if $uuid_lock;
		3798	local $uuid_lock = 1;
		3799
		3800	my $uuid = "$LOCALDIR/uuid";
		3801
		3802	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3803	or return;
		3804
		3805	my $value = uuid_seq uuid_cur;
		3806
		3807	unless ($value) {
		3808	info "cowardly refusing to write zero uuid value!\n";
		3809	return;
		3810	}
		3811
		3812	my $value = uuid_str $value + $uuid_skip;
		3813	$uuid_skip = 0;
		3814
		3815	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3816	and return;
		3817
		3818	# always fsync - this file is important
		3819	aio_fsync $fh
		3820	and return;
		3821
		3822	close $fh
		3823	or return;
		3824
		3825	aio_rename "$uuid~", $uuid
		3826	and return;
		3827
		3828	trace "uuid file written ($value).\n";
		3829
		3830	1
		3831
		3832	}
		3833
		3834	sub write_uuid($$) {
		3835	my ($skip, $sync) = @_;
		3836
		3837	$sync ? write_uuid_sync $skip
		3838	: async { write_uuid_sync $skip };
3246	}	3839	}
3247		3840
3248	sub emergency_save() {	3841	sub emergency_save() {
3249	my $freeze_guard = cf::freeze_mainloop;	3842	my $freeze_guard = cf::freeze_mainloop;
3250		3843
3251	warn "enter emergency perl save\n";	3844	info "emergency_perl_save: enter\n";
		3845
		3846	# this is a trade-off: we want to be very quick here, so
		3847	# save all maps without fsync, and later call a global sync
		3848	# (which in turn might be very very slow)
		3849	local $USE_FSYNC = 0;
3252		3850
3253	cf::sync_job {	3851	cf::sync_job {
		3852	cf::write_runtime_sync; # external watchdog should not bark
		3853
3254	# use a peculiar iteration method to avoid tripping on perl	3854	# use a peculiar iteration method to avoid tripping on perl
3255	# refcount bugs in for. also avoids problems with players	3855	# refcount bugs in for. also avoids problems with players
3256	# and maps saved/destroyed asynchronously.	3856	# and maps saved/destroyed asynchronously.
3257	warn "begin emergency player save\n";	3857	info "emergency_perl_save: begin player save\n";
3258	for my $login (keys %cf::PLAYER) {	3858	for my $login (keys %cf::PLAYER) {
3259	my $pl = $cf::PLAYER{$login} or next;	3859	my $pl = $cf::PLAYER{$login} or next;
3260	$pl->valid or next;	3860	$pl->valid or next;
		3861	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3261	$pl->save;	3862	$pl->save;
3262	}	3863	}
3263	warn "end emergency player save\n";	3864	info "emergency_perl_save: end player save\n";
3264		3865
3265	warn "begin emergency map save\n";	3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	info "emergency_perl_save: begin map save\n";
3266	for my $path (keys %cf::MAP) {	3869	for my $path (keys %cf::MAP) {
3267	my $map = $cf::MAP{$path} or next;	3870	my $map = $cf::MAP{$path} or next;
3268	$map->valid or next;	3871	$map->valid or next;
3269	$map->save;	3872	$map->save;
3270	}	3873	}
3271	warn "end emergency map save\n";	3874	info "emergency_perl_save: end map save\n";
3272		3875
3273	warn "begin emergency database checkpoint\n";	3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	info "emergency_perl_save: begin database checkpoint\n";
3274	BDB::db_env_txn_checkpoint $DB_ENV;	3879	BDB::db_env_txn_checkpoint $DB_ENV;
3275	warn "end emergency database checkpoint\n";	3880	info "emergency_perl_save: end database checkpoint\n";
		3881
		3882	info "emergency_perl_save: begin write uuid\n";
		3883	write_uuid_sync 1;
		3884	info "emergency_perl_save: end write uuid\n";
		3885
		3886	cf::write_runtime_sync; # external watchdog should not bark
		3887
		3888	trace "emergency_perl_save: syncing database to disk";
		3889	BDB::db_env_txn_checkpoint $DB_ENV;
		3890
		3891	info "emergency_perl_save: starting sync\n";
		3892	IO::AIO::aio_sync sub {
		3893	info "emergency_perl_save: finished sync\n";
		3894	};
		3895
		3896	cf::write_runtime_sync; # external watchdog should not bark
		3897
		3898	trace "emergency_perl_save: flushing outstanding aio requests";
		3899	while (IO::AIO::nreqs || BDB::nreqs) {
		3900	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3901	}
		3902
		3903	cf::write_runtime_sync; # external watchdog should not bark
3276	};	3904	};
3277		3905
3278	warn "leave emergency perl save\n";	3906	info "emergency_perl_save: leave\n";
3279	}	3907	}
3280		3908
3281	sub post_cleanup {	3909	sub post_cleanup {
3282	my ($make_core) = @_;	3910	my ($make_core) = @_;
3283		3911
		3912	IO::AIO::flush;
		3913
3284	warn Carp::longmess "post_cleanup backtrace"	3914	error Carp::longmess "post_cleanup backtrace"
3285	if $make_core;	3915	if $make_core;
		3916
		3917	my $fh = pidfile;
		3918	unlink $PIDFILE if <$fh> == $$;
		3919	}
		3920
		3921	# a safer delete_package, copied from Symbol
		3922	sub clear_package($) {
		3923	my $pkg = shift;
		3924
		3925	# expand to full symbol table name if needed
		3926	unless ($pkg =~ /^main::.*::$/) {
		3927	$pkg = "main$pkg" if $pkg =~ /^::/;
		3928	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3929	$pkg .= '::' unless $pkg =~ /::$/;
		3930	}
		3931
		3932	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3933	my $stem_symtab = *{$stem}{HASH};
		3934
		3935	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3936	or return;
		3937
		3938	# clear all symbols
		3939	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3940	for my $name (keys %$leaf_symtab) {
		3941	_gv_clear *{"$pkg$name"};
		3942	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3943	}
3286	}	3944	}
3287		3945
3288	sub do_reload_perl() {	3946	sub do_reload_perl() {
3289	# can/must only be called in main	3947	# can/must only be called in main
3290	if ($Coro::current != $Coro::main) {	3948	unless (in_main) {
3291	warn "can only reload from main coroutine";	3949	error "can only reload from main coroutine";
3292	return;	3950	return;
3293	}	3951	}
3294		3952
3295	warn "reloading...";	3953	return if $RELOAD++;
3296		3954
3297	warn "entering sync_job";	3955	my $t1 = AE::time;
3298		3956
		3957	while ($RELOAD) {
		3958	cf::get_slot 0.1, -1, "reload_perl";
		3959	info "perl_reload: reloading...";
		3960
		3961	trace "perl_reload: entering sync_job";
		3962
3299	cf::sync_job {	3963	cf::sync_job {
3300	cf::write_runtime; # external watchdog should not bark
3301	cf::emergency_save;	3964	#cf::emergency_save;
3302	cf::write_runtime; # external watchdog should not bark
3303		3965
3304	warn "syncing database to disk";
3305	BDB::db_env_txn_checkpoint $DB_ENV;
3306
3307	# if anything goes wrong in here, we should simply crash as we already saved
3308
3309	warn "cancelling all WF_AUTOCANCEL watchers";
3310	for (Event::all_watchers) {
3311	$_->cancel if $_->data & WF_AUTOCANCEL;
3312	}
3313
3314	warn "flushing outstanding aio requests";
3315	for (;;) {
3316	BDB::flush;
3317	IO::AIO::flush;
3318	Coro::cede;
3319	last unless IO::AIO::nreqs || BDB::nreqs;
3320	warn "iterate...";
3321	}
3322
3323	++$RELOAD;
3324
3325	warn "cancelling all extension coros";	3966	trace "perl_reload: cancelling all extension coros";
3326	$_->cancel for values %EXT_CORO;	3967	$_->cancel for values %EXT_CORO;
3327	%EXT_CORO = ();	3968	%EXT_CORO = ();
3328		3969
3329	warn "removing commands";	3970	trace "perl_reload: removing commands";
3330	%COMMAND = ();	3971	%COMMAND = ();
3331		3972
3332	warn "removing ext/exti commands";	3973	trace "perl_reload: removing ext/exti commands";
3333	%EXTCMD = ();	3974	%EXTCMD = ();
3334	%EXTICMD = ();	3975	%EXTICMD = ();
3335		3976
3336	warn "unloading/nuking all extensions";	3977	trace "perl_reload: unloading/nuking all extensions";
3337	for my $pkg (@EXTS) {	3978	for my $pkg (@EXTS) {
3338	warn "... unloading $pkg";	3979	trace "... unloading $pkg";
3339		3980
3340	if (my $cb = $pkg->can ("unload")) {	3981	if (my $cb = $pkg->can ("unload")) {
3341	eval {	3982	eval {
3342	$cb->($pkg);	3983	$cb->($pkg);
3343	1	3984	1
3344	} or warn "$pkg unloaded, but with errors: $@";	3985	} or error "$pkg unloaded, but with errors: $@";
		3986	}
		3987
		3988	trace "... clearing $pkg";
		3989	clear_package $pkg;
3345	}	3990	}
3346		3991
3347	warn "... nuking $pkg";
3348	Symbol::delete_package $pkg;
3349	}
3350
3351	warn "unloading all perl modules loaded from $LIBDIR";	3992	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3352	while (my ($k, $v) = each %INC) {	3993	while (my ($k, $v) = each %INC) {
3353	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3994	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3354		3995
3355	warn "... unloading $k";	3996	trace "... unloading $k";
3356	delete $INC{$k};	3997	delete $INC{$k};
3357		3998
3358	$k =~ s/\.pm$//;	3999	$k =~ s/\.pm$//;
3359	$k =~ s/\//::/g;	4000	$k =~ s/\//::/g;
3360		4001
3361	if (my $cb = $k->can ("unload_module")) {	4002	if (my $cb = $k->can ("unload_module")) {
3362	$cb->();	4003	$cb->();
		4004	}
		4005
		4006	clear_package $k;
3363	}	4007	}
3364		4008
3365	Symbol::delete_package $k;
3366	}
3367
3368	warn "getting rid of safe::, as good as possible";	4009	trace "perl_reload: getting rid of safe::, as good as possible";
3369	Symbol::delete_package "safe::$_"	4010	clear_package "safe::$_"
3370	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4011	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3371		4012
3372	warn "unloading cf.pm \"a bit\"";	4013	trace "perl_reload: unloading cf.pm \"a bit\"";
3373	delete $INC{"cf.pm"};	4014	delete $INC{"cf.pm"};
3374	delete $INC{"cf/pod.pm"};	4015	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3375		4016
3376	# don't, removes xs symbols, too,	4017	# don't, removes xs symbols, too,
3377	# and global variables created in xs	4018	# and global variables created in xs
3378	#Symbol::delete_package __PACKAGE__;	4019	#clear_package __PACKAGE__;
3379		4020
3380	warn "unload completed, starting to reload now";	4021	info "perl_reload: unload completed, starting to reload now";
3381		4022
3382	warn "reloading cf.pm";	4023	trace "perl_reload: reloading cf.pm";
3383	require cf;	4024	require cf;
3384	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4025	cf::_connect_to_perl_1;
3385		4026
3386	warn "loading config and database again";	4027	trace "perl_reload: loading config and database again";
3387	cf::reload_config;	4028	cf::reload_config;
3388		4029
3389	warn "loading extensions";	4030	trace "perl_reload: loading extensions";
3390	cf::load_extensions;	4031	cf::load_extensions;
3391		4032
		4033	if ($REATTACH_ON_RELOAD) {
3392	warn "reattaching attachments to objects/players";	4034	trace "perl_reload: reattaching attachments to objects/players";
3393	_global_reattach; # objects, sockets	4035	_global_reattach; # objects, sockets
3394	warn "reattaching attachments to maps";	4036	trace "perl_reload: reattaching attachments to maps";
3395	reattach $_ for values %MAP;	4037	reattach $_ for values %MAP;
3396	warn "reattaching attachments to players";	4038	trace "perl_reload: reattaching attachments to players";
3397	reattach $_ for values %PLAYER;	4039	reattach $_ for values %PLAYER;
		4040	}
3398		4041
3399	warn "leaving sync_job";	4042	cf::_post_init 1;
3400		4043
		4044	trace "perl_reload: leaving sync_job";
		4045
3401	1	4046	1
3402	} or do {	4047	} or do {
3403	warn $@;	4048	error $@;
3404	warn "error while reloading, exiting.";	4049	cf::cleanup "perl_reload: error, exiting.";
3405	exit 1;	4050	};
		4051
		4052	--$RELOAD;
3406	};	4053	}
3407		4054
3408	warn "reloaded";	4055	$t1 = AE::time - $t1;
		4056	info "perl_reload: completed in ${t1}s\n";
3409	};	4057	};
3410		4058
3411	our $RELOAD_WATCHER; # used only during reload	4059	our $RELOAD_WATCHER; # used only during reload
3412		4060
3413	sub reload_perl() {	4061	sub reload_perl() {
3414	# doing reload synchronously and two reloads happen back-to-back,	4062	# doing reload synchronously and two reloads happen back-to-back,
3415	# coro crashes during coro_state_free->destroy here.	4063	# coro crashes during coro_state_free->destroy here.
3416		4064
3417	$RELOAD_WATCHER ||= Event->timer (	4065	$RELOAD_WATCHER ||= cf::async {
3418	reentrant => 0,	4066	Coro::AIO::aio_wait cache_extensions;
3419	after => 0,	4067
3420	data => WF_AUTOCANCEL,	4068	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3421	cb => sub {
3422	do_reload_perl;	4069	do_reload_perl;
3423	undef $RELOAD_WATCHER;	4070	undef $RELOAD_WATCHER;
3424	},	4071	};
3425	);	4072	};
3426	}	4073	}
3427		4074
3428	register_command "reload" => sub {	4075	register_command "reload" => sub {
3429	my ($who, $arg) = @_;	4076	my ($who, $arg) = @_;
3430		4077
3431	if ($who->flag (FLAG_WIZ)) {	4078	if ($who->flag (FLAG_WIZ)) {
3432	$who->message ("reloading server.");	4079	$who->message ("reloading server.");
		4080	async {
		4081	$Coro::current->{desc} = "perl_reload";
3433	async { reload_perl };	4082	reload_perl;
		4083	};
3434	}	4084	}
3435	};	4085	};
3436		4086
3437	unshift @INC, $LIBDIR;	4087	#############################################################################
3438		4088
3439	my $bug_warning = 0;	4089	my $bug_warning = 0;
3440		4090
3441	our @WAIT_FOR_TICK;
3442	our @WAIT_FOR_TICK_BEGIN;
3443
3444	sub wait_for_tick {	4091	sub wait_for_tick() {
3445	return unless $TICK_WATCHER->is_active;	4092	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3446	return if $Coro::current == $Coro::main;
3447		4093
3448	my $signal = new Coro::Signal;	4094	$WAIT_FOR_TICK->wait;
3449	push @WAIT_FOR_TICK, $signal;
3450	$signal->wait;
3451	}	4095	}
3452		4096
3453	sub wait_for_tick_begin {	4097	sub wait_for_tick_begin() {
3454	return unless $TICK_WATCHER->is_active;	4098	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3455	return if $Coro::current == $Coro::main;
3456		4099
3457	my $signal = new Coro::Signal;	4100	my $signal = new Coro::Signal;
3458	push @WAIT_FOR_TICK_BEGIN, $signal;	4101	push @WAIT_FOR_TICK_BEGIN, $signal;
3459	$signal->wait;	4102	$signal->wait;
3460	}	4103	}
3461		4104
3462	$TICK_WATCHER = Event->timer (	4105	sub tick {
3463	reentrant => 0,
3464	parked => 1,
3465	prio => 0,
3466	at => $NEXT_TICK || $TICK,
3467	data => WF_AUTOCANCEL,
3468	cb => sub {
3469	if ($Coro::current != $Coro::main) {	4106	if ($Coro::current != $Coro::main) {
3470	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4107	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3471	unless ++$bug_warning > 10;	4108	unless ++$bug_warning > 10;
3472	return;	4109	return;
3473	}	4110	}
3474		4111
3475	$NOW = $tick_start = Event::time;	4112	cf::one_tick; # one server iteration
3476		4113
3477	cf::server_tick; # one server iteration	4114	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3478		4115
3479	$RUNTIME += $TICK;
3480	$NEXT_TICK += $TICK;
3481
3482	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4116	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3483	$NEXT_RUNTIME_WRITE = $NOW + 10;	4117	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3484	Coro::async_pool {	4118	Coro::async_pool {
		4119	$Coro::current->{desc} = "runtime saver";
3485	write_runtime	4120	write_runtime_sync
3486	or warn "ERROR: unable to write runtime file: $!";	4121	or error "ERROR: unable to write runtime file: $!";
3487	};
3488	}	4122	};
		4123	}
3489		4124
3490	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4125	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3491	$sig->send;	4126	$sig->send;
3492	}	4127	}
3493	while (my $sig = shift @WAIT_FOR_TICK) {	4128	$WAIT_FOR_TICK->broadcast;
3494	$sig->send;
3495	}
3496		4129
3497	$NOW = Event::time;	4130	$LOAD = ($NOW - $TICK_START) / $TICK;
3498
3499	# if we are delayed by four ticks or more, skip them all
3500	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3501
3502	$TICK_WATCHER->at ($NEXT_TICK);
3503	$TICK_WATCHER->start;
3504
3505	$LOAD = ($NOW - $tick_start) / $TICK;
3506	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4131	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3507		4132
3508	_post_tick;	4133	if (0) {
		4134	if ($NEXT_TICK) {
		4135	my $jitter = $TICK_START - $NEXT_TICK;
		4136	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4137	debug "jitter $JITTER\n";#d#
		4138	}
3509	},	4139	}
3510	);	4140	}
3511		4141
3512	{	4142	{
		4143	# configure BDB
		4144
3513	BDB::min_parallel 8;	4145	BDB::min_parallel 16;
3514	BDB::max_poll_time $TICK * 0.1;	4146	BDB::max_poll_reqs $TICK * 0.1;
3515	$BDB_POLL_WATCHER = Event->io (	4147	#$AnyEvent::BDB::WATCHER->priority (1);
3516	reentrant => 0,
3517	fd => BDB::poll_fileno,
3518	poll => 'r',
3519	prio => 0,
3520	data => WF_AUTOCANCEL,
3521	cb => \&BDB::poll_cb,
3522	);
3523
3524	BDB::set_sync_prepare {
3525	my $status;
3526	my $current = $Coro::current;
3527	(
3528	sub {
3529	$status = $!;
3530	$current->ready; undef $current;
3531	},
3532	sub {
3533	Coro::schedule while defined $current;
3534	$! = $status;
3535	},
3536	)
3537	};
3538		4148
3539	unless ($DB_ENV) {	4149	unless ($DB_ENV) {
3540	$DB_ENV = BDB::db_env_create;	4150	$DB_ENV = BDB::db_env_create;
3541	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4151	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3542	| BDB::LOG_AUTOREMOVE, 1);	4152	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4153	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3543	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4154	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3544	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4155	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3545		4156
3546	cf::sync_job {	4157	cf::sync_job {
3547	eval {	4158	eval {
…		…
3557		4168
3558	cf::cleanup "db_env_open(db): $@" if $@;	4169	cf::cleanup "db_env_open(db): $@" if $@;
3559	};	4170	};
3560	}	4171	}
3561		4172
3562	$BDB_DEADLOCK_WATCHER = Event->timer (	4173	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3563	after => 3,
3564	interval => 1,
3565	hard => 1,
3566	prio => 0,
3567	data => WF_AUTOCANCEL,
3568	cb => sub {
3569	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	4174	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3570	},
3571	);	4175	};
3572	$BDB_CHECKPOINT_WATCHER = Event->timer (	4176	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3573	after => 11,
3574	interval => 60,
3575	hard => 1,
3576	prio => 0,
3577	data => WF_AUTOCANCEL,
3578	cb => sub {
3579	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4177	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3580	},
3581	);	4178	};
3582	$BDB_TRICKLE_WATCHER = Event->timer (	4179	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3583	after => 5,
3584	interval => 10,
3585	hard => 1,
3586	prio => 0,
3587	data => WF_AUTOCANCEL,
3588	cb => sub {
3589	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4180	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3590	},
3591	);	4181	};
3592	}	4182	}
3593		4183
3594	{	4184	{
		4185	# configure IO::AIO
		4186
3595	IO::AIO::min_parallel 8;	4187	IO::AIO::min_parallel 8;
3596
3597	undef $Coro::AIO::WATCHER;
3598	IO::AIO::max_poll_time $TICK * 0.1;	4188	IO::AIO::max_poll_time $TICK * 0.1;
3599	$AIO_POLL_WATCHER = Event->io (	4189	undef $AnyEvent::AIO::WATCHER;
3600	reentrant => 0,
3601	data => WF_AUTOCANCEL,
3602	fd => IO::AIO::poll_fileno,
3603	poll => 'r',
3604	prio => 6,
3605	cb => \&IO::AIO::poll_cb,
3606	);
3607	}	4190	}
3608		4191
3609	my $_log_backtrace;	4192	our $_log_backtrace;
		4193	our $_log_backtrace_last;
3610		4194
3611	sub _log_backtrace {	4195	sub _log_backtrace {
3612	my ($msg, @addr) = @_;	4196	my ($msg, @addr) = @_;
3613		4197
3614	$msg =~ s/\n//;	4198	$msg =~ s/\n$//;
3615		4199
		4200	if ($_log_backtrace_last eq $msg) {
		4201	LOG llevInfo, "[ABT] $msg\n";
		4202	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3616	# limit the # of concurrent backtraces	4203	# limit the # of concurrent backtraces
3617	if ($_log_backtrace < 2) {	4204	} elsif ($_log_backtrace < 2) {
		4205	$_log_backtrace_last = $msg;
3618	++$_log_backtrace;	4206	++$_log_backtrace;
		4207	my $perl_bt = Carp::longmess $msg;
3619	async {	4208	async {
		4209	$Coro::current->{desc} = "abt $msg";
		4210
3620	my @bt = fork_call {	4211	my @bt = fork_call {
3621	@addr = map { sprintf "%x", $_ } @addr;	4212	@addr = map { sprintf "%x", $_ } @addr;
3622	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4213	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3623	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4214	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3624	or die "addr2line: $!";	4215	or die "addr2line: $!";
…		…
3632	}	4223	}
3633		4224
3634	@funcs	4225	@funcs
3635	};	4226	};
3636		4227
3637	LOG llevInfo, "[ABT] $msg\n";	4228	LOG llevInfo, "[ABT] $perl_bt\n";
		4229	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3638	LOG llevInfo, "[ABT] $_\n" for @bt;	4230	LOG llevInfo, "[ABT] $_\n" for @bt;
3639	--$_log_backtrace;	4231	--$_log_backtrace;
3640	};	4232	};
3641	} else {	4233	} else {
3642	LOG llevInfo, "[ABT] $msg\n";	4234	LOG llevInfo, "[ABT] $msg\n";
3643	LOG llevInfo, "[ABT] [suppressed]\n";	4235	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3644	}	4236	}
3645	}	4237	}
3646		4238
3647	# load additional modules	4239	# load additional modules
3648	use cf::pod;	4240	require "cf/$_.pm" for @EXTRA_MODULES;
		4241	cf::_connect_to_perl_2;
3649		4242
3650	END { cf::emergency_save }	4243	END { cf::emergency_save }
3651		4244
3652	1	4245	1
3653		4246

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