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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.353 by root, Sun Sep 2 08:43:46 2007 UTC vs.
Revision 1.574 by root, Sun May 8 21:51:27 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.64 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.32 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		75
43	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
44		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		78
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
54		85
55	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
65	our $DATADIR = datadir;	99	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
69	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
75		120
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	123	our $NEXT_TICK;
		124	our $USE_FSYNC = 1; # use fsync to write maps - default on
		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
		128	our $BDB_TRICKLE_WATCHER;
		129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
		133	our %CFG;
		134
		135	our $UPTIME; $UPTIME ||= time;
		136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
81	our $NOW;	138	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		139
84	our $BDB_POLL_WATCHER;	140	our (%PLAYER, %PLAYER_LOADING); # all users
85	our $DB_ENV;	141	our (%MAP, %MAP_LOADING ); # all maps
86
87	our %CFG;
88
89	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;
91
92	our %PLAYER; # all users
93	our %MAP; # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
95		143
96	# used to convert map paths into valid unix filenames by replacing / by ∕	144	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		146
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	147	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	150	our $TICK_START; # for load detecting purposes
		151
		152	our @POST_INIT;
		153
		154	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		155	our $REALLY_UNLOOP; # never set to true, please :)
		156
		157	our $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
102		159
103	binmode STDOUT;	160	binmode STDOUT;
104	binmode STDERR;	161	binmode STDERR;
105		162
106	# read virtual server time, if available	163	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
111	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
112		171
113	mkdir $_	172	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		174
116	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
117		176
118	sub cf::map::normalise;	177	sub cf::map::normalise;
119		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
120	#############################################################################	183	#############################################################################
121		184
		185	%REFLECT = ();
		186	for (@REFLECT) {
		187	my $reflect = JSON::XS::decode_json $_;
		188	$REFLECT{$reflect->{class}} = $reflect;
		189	}
		190
		191	# this is decidedly evil
		192	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		193
		194	#############################################################################
		195
122	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
123		197
124	=over 4	198	=over 4
125		199
126	=item $cf::UPTIME	200	=item $cf::UPTIME
127		201
128	The timestamp of the server start (so not actually an uptime).	202	The timestamp of the server start (so not actually an "uptime").
		203
		204	=item $cf::SERVER_TICK
		205
		206	An unsigned integer that starts at zero when the server is started and is
		207	incremented on every tick.
		208
		209	=item $cf::NOW
		210
		211	The (real) time of the last (current) server tick - updated before and
		212	after tick processing, so this is useful only as a rough "what time is it
		213	now" estimate.
		214
		215	=item $cf::TICK
		216
		217	The interval between each server tick, in seconds.
129		218
130	=item $cf::RUNTIME	219	=item $cf::RUNTIME
131		220
132	The time this server has run, starts at 0 and is increased by $cf::TICK on	221	The time this server has run, starts at 0 and is increased by $cf::TICK on
133	every server tick.	222	every server tick.
…		…
139	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
141	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
142	database environment.	231	database environment.
143		232
144	=item $cf::NOW
145
146	The time of the last (current) server tick.
147
148	=item $cf::TICK
149
150	The interval between server ticks, in seconds.
151
152	=item $cf::LOADAVG	233	=item $cf::LOADAVG
153		234
154	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
155	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
156	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
159		240
160	The raw value load value from the last tick.	241	The raw value load value from the last tick.
161		242
162	=item %cf::CFG	243	=item %cf::CFG
163		244
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	246	from wherever your confdir points to.
166		247
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		249
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
170	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
172		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$cf::WAIT_FOR_TICK>).
		258
		259	=item $cf::WAIT_FOR_TICK
		260
		261	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		262	variable contains a L<Coro::Signal> that is broadcats after every server
		263	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		264	next server tick.
		265
		266	=cut
		267
		268	sub wait_for_tick();
		269	sub wait_for_tick_begin();
		270
173	=item @cf::INVOKE_RESULTS	271	=item @cf::INVOKE_RESULTS
174		272
175	This array contains the results of the last C<invoke ()> call. When	273	This array contains the results of the last C<invoke ()> call. When
176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	274	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	275	that call.
178		276
		277	=item %cf::REFLECT
		278
		279	Contains, for each (C++) class name, a hash reference with information
		280	about object members (methods, scalars, arrays and flags) and other
		281	metadata, which is useful for introspection.
		282
179	=back	283	=back
180		284
181	=cut	285	=cut
182		286
183	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
184	*CORE::GLOBAL::warn = sub {	288	sub warn (@) { LOG llevWarn , join "", @_ }
		289	sub info (@) { LOG llevInfo , join "", @_ }
		290	sub debug(@) { LOG llevDebug, join "", @_ }
		291	sub trace(@) { LOG llevTrace, join "", @_ }
		292
		293	$Coro::State::WARNHOOK = sub {
185	my $msg = join "", @_;	294	my $msg = join "", @_;
186		295
187	$msg .= "\n"	296	$msg .= "\n"
188	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
189		298
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		300
192	utf8::encode $msg;
193	LOG llevError, $msg;	301	LOG llevWarn, $msg;
194	};	302	};
195	}	303
		304	$Coro::State::DIEHOOK = sub {
		305	return unless $^S eq 0; # "eq", not "=="
		306
		307	error Carp::longmess $_[0];
		308
		309	if (in_main) {#d#
		310	error "DIEHOOK called in main context, Coro bug?\n";#d#
		311	return;#d#
		312	}#d#
		313
		314	# kill coroutine otherwise
		315	Coro::terminate
		316	};
196		317
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	328	for my $pkg (qw(
208	cf::global cf::attachable	329	cf::global cf::attachable
209	cf::object cf::object::player	330	cf::object cf::object::player
210	cf::client cf::player	331	cf::client cf::player
211	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
212	cf::map cf::party cf::region	334	cf::party cf::region
213	)) {	335	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	337	}
217		338
218	$Event::DIED = sub {	339	$EV::DIED = sub {
219	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
220	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
221		347
222	#############################################################################	348	#############################################################################
223		349
224	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
225		351
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	372	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	373	$d
248	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
249	}	375	}
250		376
		377	=item $scalar = load_file $path
		378
		379	Loads the given file from path and returns its contents. Croaks on error
		380	and can block.
		381
		382	=cut
		383
		384	sub load_file($) {
		385	0 <= aio_load $_[0], my $data
		386	or Carp::croak "$_[0]: $!";
		387
		388	$data
		389	}
		390
251	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
252		392
253	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
254		394
255	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
256		396
257	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
258		398
259	=cut	399	=cut
260		400
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		402
263	sub to_json ($) { $json_coder->encode ($_[0]) }	403	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	404	sub decode_json($) { $json_coder->decode ($_[0]) }
		405
		406	=item $ref = cf::decode_storable $scalar
		407
		408	Same as Coro::Storable::thaw, so blocks.
		409
		410	=cut
		411
		412	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		413
		414	=item $ref = cf::decode_yaml $scalar
		415
		416	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		417
		418	=cut
		419
		420	sub decode_yaml($) {
		421	fork_call { YAML::XS::Load $_[0] } @_
		422	}
		423
		424	=item $scalar = cf::unlzf $scalar
		425
		426	Same as Compress::LZF::compress, but takes server ticks into account, so
		427	blocks.
		428
		429	=cut
		430
		431	sub unlzf($) {
		432	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		433	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		434	Compress::LZF::decompress $_[0]
		435	}
		436
		437	=item cf::post_init { BLOCK }
		438
		439	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		440	but I<before> the server starts ticking again.
		441
		442	The codeblock will have a single boolean argument to indicate whether this
		443	is a reload or not.
		444
		445	=cut
		446
		447	sub post_init(&) {
		448	push @POST_INIT, shift;
		449	}
		450
		451	sub _post_init {
		452	trace "running post_init jobs";
		453
		454	# run them in parallel...
		455
		456	my @join;
		457
		458	while () {
		459	push @join, map &Coro::async ($_, 0), @POST_INIT;
		460	@POST_INIT = ();
		461
		462	@join or last;
		463
		464	(pop @join)->join;
		465	}
		466	}
265		467
266	=item cf::lock_wait $string	468	=item cf::lock_wait $string
267		469
268	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
269		471
270	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
271		473
272	Wait until the given lock is available and then acquires it and returns	474	Wait until the given lock is available and then acquires it and returns
273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	475	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
274	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
275	returned.	477	returned.
276		478
277	Locks are *not* recursive, locking from the same coro twice results in a	479	Locks are *not* recursive, locking from the same coro twice results in a
278	deadlocked coro.	480	deadlocked coro.
…		…
284		486
285	Return true if the lock is currently active, i.e. somebody has locked it.	487	Return true if the lock is currently active, i.e. somebody has locked it.
286		488
287	=cut	489	=cut
288		490
289	our %LOCK;	491	our $LOCKS = new Coro::SemaphoreSet;
290		492
291	sub lock_wait($) {	493	sub lock_wait($) {
292	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
293
294	# wait for lock, if any
295	while ($LOCK{$key}) {
296	push @{ $LOCK{$key} }, $Coro::current;
297	Coro::schedule;
298	}
299	}	495	}
300		496
301	sub lock_acquire($) {	497	sub lock_acquire($) {
302	my ($key) = @_;	498	$LOCKS->guard ($_[0])
303
304	# wait, to be sure we are not locked
305	lock_wait $key;
306
307	$LOCK{$key} = [];
308
309	Coro::guard {
310	# wake up all waiters, to be on the safe side
311	$_->ready for @{ delete $LOCK{$key} };
312	}
313	}	499	}
314		500
315	sub lock_active($) {	501	sub lock_active($) {
316	my ($key) = @_;	502	$LOCKS->count ($_[0]) < 1
317
318	! ! $LOCK{$key}
319	}	503	}
320		504
321	sub freeze_mainloop {	505	sub freeze_mainloop {
322	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
323		507
324	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
325	$TICK_WATCHER->start;	509	}
326	};	510
327	$TICK_WATCHER->stop;	511	=item cf::periodic $interval, $cb
328	$guard	512
		513	Like EV::periodic, but randomly selects a starting point so that the actions
		514	get spread over time.
		515
		516	=cut
		517
		518	sub periodic($$) {
		519	my ($interval, $cb) = @_;
		520
		521	my $start = rand List::Util::min 180, $interval;
		522
		523	EV::periodic $start, $interval, 0, $cb
329	}	524	}
330		525
331	=item cf::get_slot $time[, $priority[, $name]]	526	=item cf::get_slot $time[, $priority[, $name]]
332		527
333	Allocate $time seconds of blocking CPU time at priority C<$priority>:	528	Allocate $time seconds of blocking CPU time at priority C<$priority>
334	This call blocks and returns only when you have at least C<$time> seconds	529	(default: 0): This call blocks and returns only when you have at least
335	of cpu time till the next tick. The slot is only valid till the next cede.	530	C<$time> seconds of cpu time till the next tick. The slot is only valid
		531	till the next cede.
		532
		533	Background jobs should use a priority les than zero, interactive jobs
		534	should use 100 or more.
336		535
337	The optional C<$name> can be used to identify the job to run. It might be	536	The optional C<$name> can be used to identify the job to run. It might be
338	used for statistical purposes and should identify the same time-class.	537	used for statistical purposes and should identify the same time-class.
339		538
340	Useful for short background jobs.	539	Useful for short background jobs.
341		540
342	=cut	541	=cut
343		542
344	our @SLOT_QUEUE;	543	our @SLOT_QUEUE;
345	our $SLOT_QUEUE;	544	our $SLOT_QUEUE;
		545	our $SLOT_DECAY = 0.9;
346		546
347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	547	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
348	$SLOT_QUEUE = Coro::async {	548	$SLOT_QUEUE = Coro::async {
		549	$Coro::current->desc ("timeslot manager");
		550
349	my $signal = new Coro::Signal;	551	my $signal = new Coro::Signal;
		552	my $busy;
350		553
351	while () {	554	while () {
352	next_job:	555	next_job:
		556
353	my $avail = cf::till_tick;	557	my $avail = cf::till_tick;
354	if ($avail > 0.01) {	558
355	for (0 .. $#SLOT_QUEUE) {	559	for (0 .. $#SLOT_QUEUE) {
356	if ($SLOT_QUEUE[$_][0] < $avail) {	560	if ($SLOT_QUEUE[$_][0] <= $avail) {
		561	$busy = 0;
357	my $job = splice @SLOT_QUEUE, $_, 1, ();	562	my $job = splice @SLOT_QUEUE, $_, 1, ();
358	$job->[2]->send;	563	$job->[2]->send;
359	Coro::cede;	564	Coro::cede;
360	goto next_job;	565	goto next_job;
361	}	566	} else {
		567	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
362	}	568	}
363	}	569	}
364		570
365	if (@SLOT_QUEUE) {	571	if (@SLOT_QUEUE) {
366	# we do not use wait_For_tick() as it returns immediately when tick is inactive	572	# we do not use wait_for_tick() as it returns immediately when tick is inactive
367	push @cf::WAIT_FOR_TICK, $signal;	573	$WAIT_FOR_TICK->wait;
368	$signal->wait;
369	} else {	574	} else {
		575	$busy = 0;
370	Coro::schedule;	576	Coro::schedule;
371	}	577	}
372	}	578	}
373	};	579	};
374		580
375	sub get_slot($;$$) {	581	sub get_slot($;$$) {
		582	return if tick_inhibit || $Coro::current == $Coro::main;
		583
376	my ($time, $pri, $name) = @_;	584	my ($time, $pri, $name) = @_;
377		585
378	$time = $TICK * .6 if $time > $TICK * .6;	586	$time = clamp $time, 0.01, $TICK * .6;
		587
379	my $sig = new Coro::Signal;	588	my $sig = new Coro::Signal;
380		589
381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	590	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	591	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
383	$SLOT_QUEUE->ready;	592	$SLOT_QUEUE->ready;
…		…
394		603
395	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
396		605
397	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
398		607
399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	608	The design of Deliantra requires that the main coroutine ($Coro::main)
400	is always able to handle events or runnable, as Crossfire TRT is only	609	is always able to handle events or runnable, as Deliantra is only
401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	610	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
402	acceptable.	611	acceptable.
403		612
404	If it must be done, put the blocking parts into C<sync_job>. This will run	613	If it must be done, put the blocking parts into C<sync_job>. This will run
405	the given BLOCK in another coroutine while waiting for the result. The	614	the given BLOCK in another coroutine while waiting for the result. The
…		…
409	=cut	618	=cut
410		619
411	sub sync_job(&) {	620	sub sync_job(&) {
412	my ($job) = @_;	621	my ($job) = @_;
413		622
414	if ($Coro::current == $Coro::main) {	623	if (in_main) {
415	my $time = Event::time;	624	my $time = AE::time;
416		625
417	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
418	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
419		628
420	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
421	# (but this is cancel-safe)	630
422	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
423		632
424	my $busy = 1;	633	my $busy = 1;
425	my @res;	634	my @res;
426		635
427	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
428	@res = eval { $job->() };	638	@res = eval { $job->() };
429	warn $@ if $@;	639	error $@ if $@;
430	undef $busy;	640	undef $busy;
431	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
432		642
433	while ($busy) {	643	while ($busy) {
434	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
435	}	648	}
		649	}
436		650
437	$time = Event::time - $time;	651	my $time = AE::time - $time;
438		652
439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
441
442	$tick_start += $time; # do not account sync jobs to server load	653	$TICK_START += $time; # do not account sync jobs to server load
443		654
444	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
445	} else {	656	} else {
446	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
447		658
…		…
467	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
468		679
469	$coro	680	$coro
470	}	681	}
471		682
472	=item fork_call { }, $args	683	=item fork_call { }, @args
473		684
474	Executes the given code block with the given arguments in a seperate	685	Executes the given code block with the given arguments in a seperate
475	process, returning the results. Everything must be serialisable with	686	process, returning the results. Everything must be serialisable with
476	Coro::Storable. May, of course, block. Note that the executed sub may	687	Coro::Storable. May, of course, block. Note that the executed sub may
477	never block itself or use any form of Event handling.	688	never block itself or use any form of event handling.
478		689
479	=cut	690	=cut
		691
		692	sub post_fork {
		693	reset_signals;
		694	}
480		695
481	sub fork_call(&@) {	696	sub fork_call(&@) {
482	my ($cb, @args) = @_;	697	my ($cb, @args) = @_;
483		698
484	# we seemingly have to make a local copy of the whole thing,	699	# we seemingly have to make a local copy of the whole thing,
485	# otherwise perl prematurely frees the stuff :/	700	# otherwise perl prematurely frees the stuff :/
486	# TODO: investigate and fix (liekly this will be rather laborious)	701	# TODO: investigate and fix (likely this will be rather laborious)
487		702
488	my @res = Coro::Util::fork_eval {	703	my @res = Coro::Util::fork_eval {
489	reset_signals;	704	cf::post_fork;
490	&$cb	705	&$cb
491	}, @args;	706	} @args;
492		707
493	wantarray ? @res : $res[-1]	708	wantarray ? @res : $res[-1]
		709	}
		710
		711	sub objinfo {
		712	(
		713	"counter value" => cf::object::object_count,
		714	"objects created" => cf::object::create_count,
		715	"objects destroyed" => cf::object::destroy_count,
		716	"freelist size" => cf::object::free_count,
		717	"allocated objects" => cf::object::objects_size,
		718	"active objects" => cf::object::actives_size,
		719	)
		720	}
		721
		722	=item $coin = coin_from_name $name
		723
		724	=cut
		725
		726	our %coin_alias = (
		727	"silver" => "silvercoin",
		728	"silvercoin" => "silvercoin",
		729	"silvercoins" => "silvercoin",
		730	"gold" => "goldcoin",
		731	"goldcoin" => "goldcoin",
		732	"goldcoins" => "goldcoin",
		733	"platinum" => "platinacoin",
		734	"platinumcoin" => "platinacoin",
		735	"platinumcoins" => "platinacoin",
		736	"platina" => "platinacoin",
		737	"platinacoin" => "platinacoin",
		738	"platinacoins" => "platinacoin",
		739	"royalty" => "royalty",
		740	"royalties" => "royalty",
		741	);
		742
		743	sub coin_from_name($) {
		744	$coin_alias{$_[0]}
		745	? cf::arch::find $coin_alias{$_[0]}
		746	: undef
494	}	747	}
495		748
496	=item $value = cf::db_get $family => $key	749	=item $value = cf::db_get $family => $key
497		750
498	Returns a single value from the environment database.	751	Returns a single value from the environment database.
…		…
500	=item cf::db_put $family => $key => $value	753	=item cf::db_put $family => $key => $value
501		754
502	Stores the given C<$value> in the family. It can currently store binary	755	Stores the given C<$value> in the family. It can currently store binary
503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	756	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
504		757
		758	=item $db = cf::db_table "name"
		759
		760	Create and/or open a new database table. The string must not be "db" and must be unique
		761	within each server.
		762
505	=cut	763	=cut
		764
		765	sub db_table($) {
		766	cf::error "db_get called from main context"
		767	if $Coro::current == $Coro::main;
		768
		769	my ($name) = @_;
		770	my $db = BDB::db_create $DB_ENV;
		771
		772	eval {
		773	$db->set_flags (BDB::CHKSUM);
		774
		775	utf8::encode $name;
		776	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		777	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		778	cf::cleanup "db_open(db): $!" if $!;
		779	};
		780	cf::cleanup "db_open(db): $@" if $@;
		781
		782	$db
		783	}
506		784
507	our $DB;	785	our $DB;
508		786
509	sub db_init {	787	sub db_init {
510	unless ($DB) {	788	$DB ||= db_table "db";
511	$DB = BDB::db_create $DB_ENV;
512
513	cf::sync_job {
514	eval {
515	$DB->set_flags (BDB::CHKSUM);
516
517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
519	cf::cleanup "db_open(db): $!" if $!;
520	};
521	cf::cleanup "db_open(db): $@" if $@;
522	};
523	}
524	}	789	}
525		790
526	sub db_get($$) {	791	sub db_get($$) {
527	my $key = "$_[0]/$_[1]";	792	my $key = "$_[0]/$_[1]";
528		793
529	cf::sync_job {	794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
530	BDB::db_get $DB, undef, $key, my $data;	797	BDB::db_get $DB, undef, $key, my $data;
531		798
532	$! ? ()	799	$! ? ()
533	: $data	800	: $data
534	}
535	}	801	}
536		802
537	sub db_put($$$) {	803	sub db_put($$$) {
538	BDB::dbreq_pri 4;	804	BDB::dbreq_pri 4;
539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
567		833
568	my @data;	834	my @data;
569	my $md5;	835	my $md5;
570		836
571	for (0 .. $#$src) {	837	for (0 .. $#$src) {
572	0 <= aio_load $src->[$_], $data[$_]	838	$data[$_] = load_file $src->[$_];
573	or Carp::croak "$src->[$_]: $!";
574	}	839	}
575		840
576	# if processing is expensive, check	841	# if processing is expensive, check
577	# checksum first	842	# checksum first
578	if (1) {	843	if (1) {
…		…
595		860
596	my $t1 = Time::HiRes::time;	861	my $t1 = Time::HiRes::time;
597	my $data = $process->(\@data);	862	my $data = $process->(\@data);
598	my $t2 = Time::HiRes::time;	863	my $t2 = Time::HiRes::time;
599		864
600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
601		866
602	db_put cache => "$id/data", $data;	867	db_put cache => "$id/data", $data;
603	db_put cache => "$id/md5" , $md5;	868	db_put cache => "$id/md5" , $md5;
604	db_put cache => "$id/meta", $meta;	869	db_put cache => "$id/meta", $meta;
605		870
…		…
615		880
616	=cut	881	=cut
617		882
618	sub datalog($@) {	883	sub datalog($@) {
619	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
620	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
621	}	886	}
622		887
623	=back	888	=back
624		889
625	=cut	890	=cut
626		891
627	#############################################################################	892	#############################################################################
628		893
629	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
630		895
631	Many objects in crossfire are so-called attachable objects. That means you can	896	Many objects in deliantra are so-called attachable objects. That means you can
632	attach callbacks/event handlers (a collection of which is called an "attachment")	897	attach callbacks/event handlers (a collection of which is called an "attachment")
633	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
634		899
635	In the following description, CLASS can be any of C<global>, C<object>	900	In the following description, CLASS can be any of C<global>, C<object>
636	C<player>, C<client> or C<map> (i.e. the attachable objects in	901	C<player>, C<client> or C<map> (i.e. the attachable objects in
637	Crossfire TRT).	902	Deliantra).
638		903
639	=over 4	904	=over 4
640		905
641	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
642		907
…		…
686	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
687		952
688	Register an attachment by C<$name> through which attachable objects of the	953	Register an attachment by C<$name> through which attachable objects of the
689	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
690		955
691	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
692	that are attached at load/instantiate time, thus the need for a name.	957	that are attached at load/instantiate time, thus the need for a name.
693		958
694	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
695		960
696	=over 4	961	=over 4
…		…
820		1085
821	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
822	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
823		1088
824	} elsif (ref $type) {	1089	} elsif (ref $type) {
825	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
826		1091
827	} else {	1092	} else {
828	shift @arg;	1093	shift @arg;
829	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
830	}	1095	}
831	}	1096	}
832	}	1097	}
833		1098
834	sub _object_attach {	1099	sub _object_attach {
…		…
844	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
845	}	1110	}
846		1111
847	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
848	} else {	1113	} else {
849	warn "object uses attachment '$name' which is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
850	}	1115	}
851		1116
852	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
853	}	1118	}
854		1119
…		…
913		1178
914	for (@$callbacks) {	1179	for (@$callbacks) {
915	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
916		1181
917	if ($@) {	1182	if ($@) {
918	warn "$@";
919	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
920	override;	1184	override;
921	}	1185	}
922		1186
923	return 1 if $override;	1187	return 1 if $override;
924	}	1188	}
925		1189
926	0	1190	0
927	}	1191	}
928		1192
929	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
930		1194
931	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
932		1196
933	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
934		1198
…		…
940		1204
941	=cut	1205	=cut
942		1206
943	#############################################################################	1207	#############################################################################
944	# object support	1208	# object support
945	#
946		1209
		1210	sub _object_equal($$);
		1211	sub _object_equal($$) {
		1212	my ($a, $b) = @_;
		1213
		1214	return 0 unless (ref $a) eq (ref $b);
		1215
		1216	if ("HASH" eq ref $a) {
		1217	my @ka = keys %$a;
		1218	my @kb = keys %$b;
		1219
		1220	return 0 if @ka != @kb;
		1221
		1222	for (0 .. $#ka) {
		1223	return 0 unless $ka[$_] eq $kb[$_];
		1224	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1225	}
		1226
		1227	} elsif ("ARRAY" eq ref $a) {
		1228
		1229	return 0 if @$a != @$b;
		1230
		1231	for (0 .. $#$a) {
		1232	return 0 unless _object_equal $a->[$_], $b->[$_];
		1233	}
		1234
		1235	} elsif ($a ne $b) {
		1236	return 0;
		1237	}
		1238
		1239	1
		1240	}
		1241
		1242	our $SLOW_MERGES;#d#
947	sub _can_merge {	1243	sub _can_merge {
948	my ($ob1, $ob2) = @_;	1244	my ($ob1, $ob2) = @_;
949		1245
950	local $Storable::canonical = 1;	1246	++$SLOW_MERGES;#d#
951	my $fob1 = Storable::freeze $ob1;
952	my $fob2 = Storable::freeze $ob2;
953		1247
954	$fob1 eq $fob2	1248	# we do the slow way here
		1249	return _object_equal $ob1, $ob2
955	}	1250	}
956		1251
957	sub reattach {	1252	sub reattach {
958	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
959	my ($obj) = @_;	1254	my ($obj) = @_;
960		1255
		1256	# no longer needed after getting rid of delete_package?
961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1257	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
962		1258
963	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
964		1260
965	@$registry = ();	1261	@$registry = ();
966		1262
…		…
971	for (@$attach) {	1267	for (@$attach) {
972	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
973	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
974	}	1270	}
975	} else {	1271	} else {
976	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
977	}	1273	}
978	}	1274	}
979	}	1275	}
980		1276
981	cf::attachable->attach (	1277	cf::attachable->attach (
982	prio => -1000000,	1278	prio => -1000000,
983	on_instantiate => sub {	1279	on_instantiate => sub {
984	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
985		1281
986	$data = from_json $data;	1282	$data = decode_json $data;
987		1283
988	for (@$data) {	1284	for (@$data) {
989	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
990		1286
991	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
1007	sub object_freezer_save {	1303	sub object_freezer_save {
1008	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
1009		1305
1010	sync_job {	1306	sync_job {
1011	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
1012	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
1013	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
1014		1312
1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1016	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1018	aio_fsync $fh if $cf::USE_FSYNC;	1316	if ($cf::USE_FSYNC) {
		1317	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1318	aio_fsync $fh;
		1319	}
1019	close $fh;	1320	aio_close $fh;
1020		1321
1021	if (@$objs) {	1322	if (@$objs) {
1022	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1323	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1023	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
1024	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1025	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
1026	aio_fsync $fh if $cf::USE_FSYNC;	1327	if ($cf::USE_FSYNC) {
		1328	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1329	aio_fsync $fh;
		1330	}
1027	close $fh;	1331	aio_close $fh;
1028	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
1029	}	1333	}
1030	} else {	1334	} else {
1031	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
1032	}	1336	}
1033		1337
1034	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
1035	} else {	1342	} else {
1036	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
1037	}	1344	}
1038	} else {	1345	} else {
1039	aio_unlink $filename;	1346	aio_unlink $filename;
1040	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
1041	}	1348	}
1042	}	1349	};
1043	}	1350	}
1044		1351
1045	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
1046	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
1047		1354
…		…
1059	or return;	1366	or return;
1060		1367
1061	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
1062	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
1063	or return;	1370	or return;
		1371
1064	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
1065	}	1374	}
1066		1375
		1376	utf8::decode (my $decname = $filename);
1067	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
1068	$filename, length $data, scalar @{$av || []};	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
1069	return ($data, $av);	1381	($data, $av)
1070	}	1382	}
1071		1383
1072	=head2 COMMAND CALLBACKS	1384	=head2 COMMAND CALLBACKS
1073		1385
1074	=over 4	1386	=over 4
…		…
1128	my ($name, $cb) = @_;	1440	my ($name, $cb) = @_;
1129		1441
1130	$EXTICMD{$name} = $cb;	1442	$EXTICMD{$name} = $cb;
1131	}	1443	}
1132		1444
		1445	use File::Glob ();
		1446
1133	cf::player->attach (	1447	cf::player->attach (
1134	on_command => sub {	1448	on_unknown_command => sub {
1135	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
1136		1450
1137	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
1138	or return;	1452	or return;
1139		1453
…		…
1162		1476
1163	$pl->ext_reply ($reply, @reply)	1477	$pl->ext_reply ($reply, @reply)
1164	if $reply;	1478	if $reply;
1165		1479
1166	} else {	1480	} else {
1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1168	}	1482	}
1169		1483
1170	cf::override;	1484	cf::override;
1171	},	1485	},
1172	);	1486	);
1173		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
1174	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
1175	cf::sync_job {	1504	cf::sync_job {
1176	my %todo;	1505	my %todo;
1177		1506
1178	for my $path (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
1179	next unless -r $path;	1508	next unless -r $path;
…		…
1197		1526
1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1527	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1528	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1200		1529
1201	$ext{source} =	1530	$ext{source} =
1202	"package $pkg; use strict; use utf8;\n"	1531	"package $pkg; use common::sense;\n"
1203	. "#line 1 \"$path\"\n{\n"	1532	. "#line 1 \"$path\"\n{\n"
1204	. $source	1533	. $source
1205	. "\n};\n1";	1534	. "\n};\n1";
1206		1535
1207	$todo{$base} = \%ext;	1536	$todo{$base} = \%ext;
1208	}	1537	}
1209		1538
		1539	my $pass = 0;
1210	my %done;	1540	my %done;
1211	while (%todo) {	1541	while (%todo) {
1212	my $progress;	1542	my $progress;
1213		1543
		1544	++$pass;
		1545
		1546	ext:
1214	while (my ($k, $v) = each %todo) {	1547	while (my ($k, $v) = each %todo) {
1215	for (split /,\s*/, $v->{meta}{depends}) {	1548	for (split /,\s*/, $v->{meta}{depends}) {
1216	goto skip	1549	next ext
1217	unless exists $done{$_};	1550	unless exists $done{$_};
1218	}	1551	}
1219		1552
1220	warn "... loading '$k' into '$v->{pkg}'\n";	1553	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1221		1554
1222	unless (eval $v->{source}) {	1555	my $active = eval $v->{source};
		1556
		1557	if (length $@) {
1223	my $msg = $@ ? "$v->{path}: $@\n"	1558	error "$v->{path}: $@\n";
1224	: "$v->{base}: extension inactive.\n";
1225		1559
		1560	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1226	if (exists $v->{meta}{mandatory}) {	1561	if exists $v->{meta}{mandatory};
1227	warn $msg;	1562
1228	warn "mandatory extension failed to load, exiting.\n";	1563	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1229	exit 1;	1564	delete $todo{$k};
1230	}	1565	} else {
1231		1566	$done{$k} = delete $todo{$k};
1232	warn $msg;	1567	push @EXTS, $v->{pkg};
		1568	$progress = 1;
		1569
		1570	info "$v->{base}: extension inactive.\n"
		1571	unless $active;
1233	}	1572	}
1234
1235	$done{$k} = delete $todo{$k};
1236	push @EXTS, $v->{pkg};
1237	$progress = 1;
1238	}	1573	}
1239		1574
1240	skip:	1575	unless ($progress) {
1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1576	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1242	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	}
1243	}	1585	}
1244	};	1586	};
1245	}	1587	}
1246		1588
1247	#############################################################################	1589	#############################################################################
1248		1590
1249	=back	1591	=back
1250		1592
1251	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
1252		1594
1253	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
1254		1596
1255	=cut	1597	=cut
1256		1598
1257	package cf::player;	1599	package cf::player;
1258		1600
1259	use Coro::AIO;	1601	use Coro::AIO;
1260		1602
1261	=head3 cf::player	1603	=head3 cf::player
1262		1604
1263	=over 4	1605	=over 4
		1606
		1607	=item cf::player::num_playing
		1608
		1609	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1610
		1611	=cut
		1612
		1613	sub num_playing {
		1614	scalar grep
		1615	$_->ob->map
		1616	&& !$_->hidden
		1617	&& !$_->ob->flag (cf::FLAG_WIZ),
		1618	cf::player::list
		1619	}
1264		1620
1265	=item cf::player::find $login	1621	=item cf::player::find $login
1266		1622
1267	Returns the given player object, loading it if necessary (might block).	1623	Returns the given player object, loading it if necessary (might block).
1268		1624
…		…
1287		1643
1288	sub exists($) {	1644	sub exists($) {
1289	my ($login) = @_;	1645	my ($login) = @_;
1290		1646
1291	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
1292	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
1293	}	1649	}
1294		1650
1295	sub find($) {	1651	sub find($) {
1296	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
1297	my $login = $_[0];	1653	my $login = $_[0];
…		…
1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1660	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1661	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1662	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1307	aio_unlink +(playerdir $login) . "/$login.pl";	1663	aio_unlink +(playerdir $login) . "/$login.pl";
1308		1664
1309	my $pl = load_pl path $login	1665	my $f = new_from_file cf::object::thawer path $login
1310	or return;	1666	or return;
		1667
		1668	my $pl = cf::player::load_pl $f
		1669	or return;
		1670
		1671	local $cf::PLAYER_LOADING{$login} = $pl;
		1672	$f->resolve_delayed_derefs;
1311	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
1312	}	1674	}
1313	}	1675	}
1314	}	1676	}
		1677
		1678	cf::player->attach (
		1679	on_load => sub {
		1680	my ($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	);
1315		1690
1316	sub save($) {	1691	sub save($) {
1317	my ($pl) = @_;	1692	my ($pl) = @_;
1318		1693
1319	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
…		…
1323		1698
1324	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1325		1700
1326	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1327	$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];
1328		1708
1329	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1330	cf::cede_to_tick;	1710	cf::cede_to_tick;
1331	}	1711	}
1332		1712
…		…
1364	my ($pl) = @_;	1744	my ($pl) = @_;
1365		1745
1366	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1367		1747
1368	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1369	$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
1370		1750
1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1372	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1373	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1374	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1375		1759
1376	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1377	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1378	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1413	or return [];	1797	or return [];
1414		1798
1415	my @logins;	1799	my @logins;
1416		1800
1417	for my $login (@$dirs) {	1801	for my $login (@$dirs) {
		1802	my $path = path $login;
		1803
		1804	# a .pst is a dead give-away for a valid player
		1805	# if no pst file found, open and chekc for blocked users
		1806	if (aio_stat "$path.pst") {
1418	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1419	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1420	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1810	}
1421		1811
1422	utf8::decode $login;	1812	utf8::decode $login;
1423	push @logins, $login;	1813	push @logins, $login;
1424	}	1814	}
1425		1815
1426	\@logins	1816	\@logins
1427	}	1817	}
1428		1818
1429	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1430		1822
1431	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1432	player. May block.	1824	player. May block.
1433		1825
1434	=cut	1826	=cut
…		…
1452	}	1844	}
1453		1845
1454	\@paths	1846	\@paths
1455	}	1847	}
1456		1848
1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1458		1850
1459	Expand crossfire pod fragments into protocol xml.	1851	Expand deliantra pod fragments into protocol xml.
1460
1461	=cut
1462
1463	sub expand_cfpod {
1464	((my $self), (local $_)) = @_;
1465
1466	# escape & and <
1467	s/&/&amp;/g;
1468	s/(?<![BIUGHT])</&lt;/g;
1469
1470	# this is buggy, it needs to properly take care of nested <'s
1471
1472	1 while
1473	# replace B<>, I<>, U<> etc.
1474	s/B<([^\>]*)>/<b>$1<\/b>/
1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
1477	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1478	# replace G<male|female> tags
1479	|| s{G<([^>|]*)\|([^>]*)>}{
1480	$self->gender ? $2 : $1
1481	}ge
1482	# replace H<hint text>
1483	|| s{H<([^\>]*)>}
1484	{
1485	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1486	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1487	"")
1488	[$self->{hintmode}]
1489	}ge;
1490
1491	# create single paragraphs (very hackish)
1492	s/(?<=\S)\n(?=\w)/ /g;
1493
1494	# compress some whitespace
1495	s/\s+\n/\n/g; # ws line-ends
1496	s/\n\n+/\n/g; # double lines
1497	s/^\n+//; # beginning lines
1498	s/\n+$//; # ending lines
1499
1500	$_
1501	}
1502
1503	sub hintmode {
1504	$_[0]{hintmode} = $_[1] if @_ > 1;
1505	$_[0]{hintmode}
1506	}
1507		1852
1508	=item $player->ext_reply ($msgid, @msg)	1853	=item $player->ext_reply ($msgid, @msg)
1509		1854
1510	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1511		1856
…		…
1543		1888
1544	=cut	1889	=cut
1545		1890
1546	sub find_by_path($) {	1891	sub find_by_path($) {
1547	my ($path) = @_;	1892	my ($path) = @_;
		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
1548		1895
1549	my ($match, $specificity);	1896	my ($match, $specificity);
1550		1897
1551	for my $region (list) {	1898	for my $region (list) {
1552	if ($region->{match} && $path =~ $region->{match}) {	1899	if ($region->{match} && $path =~ $region->{match}) {
…		…
1578	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1579	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1580		1927
1581	sub generate_random_map {	1928	sub generate_random_map {
1582	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1583	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1584	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1585	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1586	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1587	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1588	$rmp->{exit_on_final_map},
1589	$rmp->{xsize}, $rmp->{ysize},
1590	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1591	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1592	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1593	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1594	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1595	(cf::region::find $rmp->{region}), $rmp->{custom}
1596	)
1597	}	1934	}
1598		1935
1599	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1600		1937
1601	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
…		…
1606		1943
1607	sub register {	1944	sub register {
1608	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1609	my $pkg = caller;	1946	my $pkg = caller;
1610		1947
1611	no strict;
1612	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1613		1949
1614	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1615	}	1951	}
1616		1952
1617	# also paths starting with '/'	1953	# also paths starting with '/'
1618	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1619		1955
1620	sub thawer_merge {	1956	sub thawer_merge {
1621	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1622		1958
1623	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
…		…
1628	}	1964	}
1629		1965
1630	sub normalise {	1966	sub normalise {
1631	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1632		1968
1633	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1634		1970
1635	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1636		1972
1637	# map plan:	1973	# map plan:
1638	#	1974	#
…		…
1653	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1654	$path = "$base/$path";	1990	$path = "$base/$path";
1655	}	1991	}
1656		1992
1657	for ($path) {	1993	for ($path) {
1658	redo if s{//}{/};
1659	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1660	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1661	}	1996	}
1662		1997
1663	$path	1998	$path
…		…
1677	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1678	return $self;	2013	return $self;
1679	}	2014	}
1680	}	2015	}
1681		2016
1682	Carp::cluck "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1683	()	2018	()
1684	}	2019	}
1685		2020
		2021	# may re-bless or do other evil things
1686	sub init {	2022	sub init {
1687	my ($self) = @_;	2023	my ($self) = @_;
1688		2024
1689	$self	2025	$self
1690	}	2026	}
…		…
1709		2045
1710	# the temporary/swap location	2046	# the temporary/swap location
1711	sub save_path {	2047	sub save_path {
1712	my ($self) = @_;	2048	my ($self) = @_;
1713		2049
1714	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1715	"$TMPDIR/$path.map"	2051	"$TMPDIR/$path.map"
1716	}	2052	}
1717		2053
1718	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1719	sub uniq_path {	2055	sub uniq_path {
1720	my ($self) = @_;	2056	my ($self) = @_;
1721		2057
1722	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1723	"$UNIQUEDIR/$path"	2059	"$UNIQUEDIR/$path"
1724	}
1725
1726	# and all this just because we cannot iterate over
1727	# all maps in C++...
1728	sub change_all_map_light {
1729	my ($change) = @_;
1730
1731	$_->change_map_light ($change)
1732	for grep $_->outdoor, values %cf::MAP;
1733	}	2060	}
1734		2061
1735	sub decay_objects {	2062	sub decay_objects {
1736	my ($self) = @_;	2063	my ($self) = @_;
1737		2064
…		…
1750		2077
1751	sub load_header_from($) {	2078	sub load_header_from($) {
1752	my ($self, $path) = @_;	2079	my ($self, $path) = @_;
1753		2080
1754	utf8::encode $path;	2081	utf8::encode $path;
1755	#aio_open $path, O_RDONLY, 0	2082	my $f = new_from_file cf::object::thawer $path
1756	# or return;
1757
1758	$self->_load_header ($path)
1759	or return;	2083	or return;
1760		2084
		2085	$self->_load_header ($f)
		2086	or return;
		2087
		2088	local $MAP_LOADING{$self->{path}} = $self;
		2089	$f->resolve_delayed_derefs;
		2090
1761	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1762		2092
1763	1	2093	1
1764	}	2094	}
1765		2095
		2096	# used to laod the header of an original map
1766	sub load_header_orig {	2097	sub load_header_orig {
1767	my ($self) = @_;	2098	my ($self) = @_;
1768		2099
1769	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1770	}	2101	}
1771		2102
		2103	# used to laod the header of an instantiated map
1772	sub load_header_temp {	2104	sub load_header_temp {
1773	my ($self) = @_;	2105	my ($self) = @_;
1774		2106
1775	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1776	}	2108	}
1777		2109
		2110	# called after loading the header from an instantiated map
1778	sub prepare_temp {	2111	sub prepare_temp {
1779	my ($self) = @_;	2112	my ($self) = @_;
1780		2113
1781	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1782	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1783	# safety	2116	# safety
1784	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1785	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1786	}	2119	}
1787		2120
		2121	# called after loading the header from an original map
1788	sub prepare_orig {	2122	sub prepare_orig {
1789	my ($self) = @_;	2123	my ($self) = @_;
1790		2124
1791	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1792	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1816		2150
1817	sub find;	2151	sub find;
1818	sub find {	2152	sub find {
1819	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1820		2154
		2155	cf::cede_to_tick;
		2156
1821	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1822		2158
		2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1823	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1824		2161
1825	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1826	my $guard = cf::lock_acquire "map_find:$path";
1827	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1828	or return;	2164	or return;
1829		2165
1830	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1831		2167
…		…
1833	or return;	2169	or return;
1834		2170
1835	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1836	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1837	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1838	$map->reset;	2176	$map->reset;
1839	undef $guard;
1840	return find $path;	2177	return find $path;
1841	}	2178	}
1842		2179
1843	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1844	}	2181	}
1845	}	2182	}
1846		2183
1847	sub pre_load { }	2184	sub pre_load { }
1848	sub post_load { }	2185	#sub post_load { } # XS
1849		2186
1850	sub load {	2187	sub load {
1851	my ($self) = @_;	2188	my ($self) = @_;
1852		2189
1853	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
1854		2191
1855	my $path = $self->{path};	2192	my $path = $self->{path};
1856		2193
1857	{	2194	{
1858	my $guard1 = cf::lock_acquire "map_data:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1859	my $guard2 = cf::lock_acquire "map_load:$path";
1860		2196
		2197	return unless $self->valid;
1861	return if $self->in_memory != cf::MAP_SWAPPED;	2198	return unless $self->state == cf::MAP_SWAPPED;
1862
1863	$self->in_memory (cf::MAP_LOADING);
1864		2199
1865	$self->alloc;	2200	$self->alloc;
1866		2201
1867	$self->pre_load;	2202	$self->pre_load;
1868	cf::cede_to_tick;	2203	cf::cede_to_tick;
1869		2204
1870	$self->_load_objects ($self->{load_path}, 1)	2205	if (exists $self->{load_path}) {
		2206	my $f = new_from_file cf::object::thawer $self->{load_path};
		2207	$f->skip_block;
		2208	$self->_load_objects ($f)
1871	or return;	2209	or return;
1872		2210
1873	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1874	if delete $self->{load_original};	2212	if delete $self->{load_original};
1875		2213
1876	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1877	utf8::encode $uniq;	2215	utf8::encode $uniq;
1878	if (aio_open $uniq, O_RDONLY, 0) {	2216	unless (aio_stat $uniq) {
		2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1879	$self->clear_unique_items;	2218	$self->clear_unique_items;
1880	$self->_load_objects ($uniq, 0);	2219	$self->_load_objects ($f);
		2220	$f->resolve_delayed_derefs;
		2221	}
		2222	}
1881	}	2223	}
		2224
		2225	$f->resolve_delayed_derefs;
		2226	} else {
		2227	$self->post_load_original
		2228	if delete $self->{load_original};
1882	}	2229	}
		2230
		2231	$self->state (cf::MAP_INACTIVE);
1883		2232
1884	cf::cede_to_tick;	2233	cf::cede_to_tick;
1885	# now do the right thing for maps	2234	# now do the right thing for maps
1886	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1887	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
…		…
1891	unless ($self->{deny_activate}) {	2240	unless ($self->{deny_activate}) {
1892	$self->decay_objects;	2241	$self->decay_objects;
1893	$self->fix_auto_apply;	2242	$self->fix_auto_apply;
1894	$self->update_buttons;	2243	$self->update_buttons;
1895	cf::cede_to_tick;	2244	cf::cede_to_tick;
1896	$self->set_darkness_map;	2245	#$self->activate; # no longer activate maps automatically
1897	cf::cede_to_tick;
1898	$self->activate;
1899	}	2246	}
1900		2247
1901	$self->{last_save} = $cf::RUNTIME;	2248	$self->{last_save} = $cf::RUNTIME;
1902	$self->last_access ($cf::RUNTIME);	2249	$self->last_access ($cf::RUNTIME);
1903
1904	$self->in_memory (cf::MAP_IN_MEMORY);
1905	}	2250	}
1906		2251
1907	$self->post_load;	2252	$self->post_load;
1908	}
1909		2253
		2254	1
		2255	}
		2256
		2257	# customize the map for a given player, i.e.
		2258	# return the _real_ map. used by e.g. per-player
		2259	# maps to change the path to ~playername/mappath
1910	sub customise_for {	2260	sub customise_for {
1911	my ($self, $ob) = @_;	2261	my ($self, $ob) = @_;
1912		2262
1913	return find "~" . $ob->name . "/" . $self->{path}	2263	return find "~" . $ob->name . "/" . $self->{path}
1914	if $self->per_player;	2264	if $self->per_player;
…		…
1917	# if $self->per_party;	2267	# if $self->per_party;
1918		2268
1919	$self	2269	$self
1920	}	2270	}
1921		2271
1922	# find and load all maps in the 3x3 area around a map
1923	sub load_neighbours {
1924	my ($map) = @_;
1925
1926	my @neigh; # diagonal neighbours
1927
1928	for (0 .. 3) {
1929	my $neigh = $map->tile_path ($_)
1930	or next;
1931	$neigh = find $neigh, $map
1932	or next;
1933	$neigh->load;
1934
1935	push @neigh,
1936	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1937	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1938	}
1939
1940	for (grep defined $_->[0], @neigh) {
1941	my ($path, $origin) = @$_;
1942	my $neigh = find $path, $origin
1943	or next;
1944	$neigh->load;
1945	}
1946	}
1947
1948	sub find_sync {	2272	sub find_sync {
1949	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
1950		2274
1951	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, $origin
1952	}	2280	}
1953		2281
1954	sub do_load_sync {	2282	sub do_load_sync {
1955	my ($map) = @_;	2283	my ($map) = @_;
1956		2284
		2285	# it's a bug to call this from the main context
1957	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2286	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
1958	if $Coro::current == $Coro::main;	2287	if $Coro::current == $Coro::main;
1959		2288
1960	cf::sync_job { $map->load };	2289	$map->load;
1961	}	2290	}
1962		2291
1963	our %MAP_PREFETCH;	2292	our %MAP_PREFETCH;
1964	our $MAP_PREFETCHER = undef;	2293	our $MAP_PREFETCHER = undef;
1965		2294
1966	sub find_async {	2295	sub find_async {
1967	my ($path, $origin, $load) = @_;	2296	my ($path, $origin, $load) = @_;
1968		2297
1969	$path = normalise $path, $origin && $origin->{path};	2298	$path = normalise $path, $origin;
1970		2299
1971	if (my $map = $cf::MAP{$path}) {	2300	if (my $map = $cf::MAP{$path}) {
1972	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2301	return $map if !$load || $map->linkable;
1973	}	2302	}
1974		2303
1975	$MAP_PREFETCH{$path} |= $load;	2304	$MAP_PREFETCH{$path} |= $load;
1976		2305
1977	$MAP_PREFETCHER ||= cf::async {	2306	$MAP_PREFETCHER ||= cf::async {
		2307	$Coro::current->{desc} = "map prefetcher";
		2308
1978	while (%MAP_PREFETCH) {	2309	while (%MAP_PREFETCH) {
1979	while (my ($k, $v) = each %MAP_PREFETCH) {	2310	while (my ($k, $v) = each %MAP_PREFETCH) {
1980	if (my $map = find $k) {	2311	if (my $map = find $k) {
1981	$map->load if $v;	2312	$map->load if $v;
1982	}	2313	}
…		…
1989	$MAP_PREFETCHER->prio (6);	2320	$MAP_PREFETCHER->prio (6);
1990		2321
1991	()	2322	()
1992	}	2323	}
1993		2324
		2325	# common code, used by both ->save and ->swapout
1994	sub save {	2326	sub _save {
1995	my ($self) = @_;	2327	my ($self) = @_;
1996
1997	my $lock = cf::lock_acquire "map_data:$self->{path}";
1998		2328
1999	$self->{last_save} = $cf::RUNTIME;	2329	$self->{last_save} = $cf::RUNTIME;
2000		2330
2001	return unless $self->dirty;	2331	return unless $self->dirty;
2002		2332
…		…
2008	return if $self->{deny_save};	2338	return if $self->{deny_save};
2009		2339
2010	local $self->{last_access} = $self->last_access;#d#	2340	local $self->{last_access} = $self->last_access;#d#
2011		2341
2012	cf::async {	2342	cf::async {
		2343	$Coro::current->{desc} = "map player save";
2013	$_->contr->save for $self->players;	2344	$_->contr->save for $self->players;
2014	};	2345	};
		2346
		2347	cf::get_slot 0.02;
2015		2348
2016	if ($uniq) {	2349	if ($uniq) {
2017	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2018	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2351	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2019	} else {	2352	} else {
2020	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2353	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2021	}	2354	}
2022	}	2355	}
2023		2356
		2357	sub save {
		2358	my ($self) = @_;
		2359
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
		2362	$self->_save;
		2363	}
		2364
2024	sub swap_out {	2365	sub swap_out {
2025	my ($self) = @_;	2366	my ($self) = @_;
2026		2367
2027	# save first because save cedes
2028	$self->save;
2029
2030	my $lock = cf::lock_acquire "map_data:$self->{path}";	2368	my $lock = cf::lock_acquire "map_data:$self->{path}";
2031		2369
		2370	return if !$self->linkable;
		2371	return if $self->{deny_save};
2032	return if $self->players;	2372	return if $self->players;
2033	return if $self->in_memory != cf::MAP_IN_MEMORY;
2034	return if $self->{deny_save};
2035		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
2036	$self->clear;	2383	$self->clear;
2037	$self->in_memory (cf::MAP_SWAPPED);
2038	}	2384	}
2039		2385
2040	sub reset_at {	2386	sub reset_at {
2041	my ($self) = @_;	2387	my ($self) = @_;
2042		2388
…		…
2060		2406
2061	my $lock = cf::lock_acquire "map_data:$self->{path}";	2407	my $lock = cf::lock_acquire "map_data:$self->{path}";
2062		2408
2063	return if $self->players;	2409	return if $self->players;
2064		2410
2065	warn "resetting map ", $self->path;	2411	cf::trace "resetting map ", $self->path, "\n";
2066		2412
2067	$self->in_memory (cf::MAP_SWAPPED);	2413	$self->state (cf::MAP_SWAPPED);
2068		2414
2069	# need to save uniques path	2415	# need to save uniques path
2070	unless ($self->{deny_save}) {	2416	unless ($self->{deny_save}) {
2071	my $uniq = $self->uniq_path; utf8::encode $uniq;	2417	my $uniq = $self->uniq_path; utf8::encode $uniq;
2072		2418
…		…
2074	if $uniq;	2420	if $uniq;
2075	}	2421	}
2076		2422
2077	delete $cf::MAP{$self->path};	2423	delete $cf::MAP{$self->path};
2078		2424
		2425	$self->deactivate;
		2426	$_->clear_links_to ($self) for values %cf::MAP;
2079	$self->clear;	2427	$self->clear;
2080
2081	$_->clear_links_to ($self) for values %cf::MAP;
2082		2428
2083	$self->unlink_save;	2429	$self->unlink_save;
2084	$self->destroy;	2430	$self->destroy;
2085	}	2431	}
2086		2432
…		…
2094		2440
2095	delete $cf::MAP{$self->path};	2441	delete $cf::MAP{$self->path};
2096		2442
2097	$self->unlink_save;	2443	$self->unlink_save;
2098		2444
2099	bless $self, "cf::map";	2445	bless $self, "cf::map::wrap";
2100	delete $self->{deny_reset};	2446	delete $self->{deny_reset};
2101	$self->{deny_save} = 1;	2447	$self->{deny_save} = 1;
2102	$self->reset_timeout (1);	2448	$self->reset_timeout (1);
2103	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2449	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2104		2450
…		…
2153		2499
2154	sub unique_maps() {	2500	sub unique_maps() {
2155	[	2501	[
2156	map {	2502	map {
2157	utf8::decode $_;	2503	utf8::decode $_;
2158	/\.map$/	2504	s/\.map$//; # TODO future compatibility hack
		2505	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2506	? ()
2159	? normalise $_	2507	: normalise $_
2160	: ()
2161	} @{ aio_readdir $UNIQUEDIR or [] }	2508	} @{ aio_readdir $UNIQUEDIR or [] }
2162	]	2509	]
2163	}	2510	}
2164		2511
2165	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	}
2166		2543
2167	=back	2544	=back
2168		2545
2169	=head3 cf::object	2546	=head3 cf::object
2170		2547
…		…
2174		2551
2175	=over 4	2552	=over 4
2176		2553
2177	=item $ob->inv_recursive	2554	=item $ob->inv_recursive
2178		2555
2179	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.
2180		2558
2181	=cut	2559	=cut
2182		2560
2183	sub inv_recursive_;	2561	sub inv_recursive_;
2184	sub inv_recursive_ {	2562	sub inv_recursive_ {
…		…
2187		2565
2188	sub inv_recursive {	2566	sub inv_recursive {
2189	inv_recursive_ inv $_[0]	2567	inv_recursive_ inv $_[0]
2190	}	2568	}
2191		2569
		2570	=item $ref = $ob->ref
		2571
		2572	Creates and returns a persistent reference to an object that can be stored as a string.
		2573
		2574	=item $ob = cf::object::deref ($refstring)
		2575
		2576	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2577	even if the object actually exists. May block.
		2578
		2579	=cut
		2580
		2581	sub deref {
		2582	my ($ref) = @_;
		2583
		2584	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2585	my ($uuid, $name) = ($1, $2);
		2586	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2587	or return;
		2588	$pl->ob->uuid eq $uuid
		2589	or return;
		2590
		2591	$pl->ob
		2592	} else {
		2593	warn "$ref: cannot resolve object reference\n";
		2594	undef
		2595	}
		2596	}
		2597
2192	package cf;	2598	package cf;
2193		2599
2194	=back	2600	=back
2195		2601
2196	=head3 cf::object::player	2602	=head3 cf::object::player
…		…
2202	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2608	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2203	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
2204	dialogue with the given NPC character.	2610	dialogue with the given NPC character.
2205		2611
2206	=cut	2612	=cut
		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	};
2207		2627
2208	# rough implementation of a future "reply" method that works	2628	# rough implementation of a future "reply" method that works
2209	# with dialog boxes.	2629	# with dialog boxes.
2210	#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
2211	sub cf::object::player::reply($$$;$) {	2631	sub cf::object::player::reply($$$;$) {
…		…
2223	my $dialog = $pl->{npc_dialog};	2643	my $dialog = $pl->{npc_dialog};
2224	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2644	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2225		2645
2226	} else {	2646	} else {
2227	$msg = $npc->name . " says: $msg" if $npc;	2647	$msg = $npc->name . " says: $msg" if $npc;
2228	$self->message ($msg, $flags);	2648	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2229	}	2649	}
2230	}	2650	}
2231	}	2651	}
2232		2652
2233	=item $object->send_msg ($channel, $msg, $color, [extra...])	2653	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2258		2678
2259	=item $player_object->enter_link	2679	=item $player_object->enter_link
2260		2680
2261	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}>).
2262		2682
2263	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.
2264	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.
2265		2687
2266	Will never block.	2688	Will never block.
2267		2689
2268	=item $player_object->leave_link ($map, $x, $y)	2690	=item $player_object->leave_link ($map, $x, $y)
2269		2691
…		…
2289	sub cf::object::player::enter_link {	2711	sub cf::object::player::enter_link {
2290	my ($self) = @_;	2712	my ($self) = @_;
2291		2713
2292	$self->deactivate_recursive;	2714	$self->deactivate_recursive;
2293		2715
		2716	++$self->{_link_recursion};
		2717
2294	return if UNIVERSAL::isa $self->map, "ext::map_link";	2718	return if UNIVERSAL::isa $self->map, "ext::map_link";
2295		2719
2296	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2720	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2297	if $self->map && $self->map->{path} ne "{link}";	2721	if $self->map && $self->map->{path} ne "{link}";
2298		2722
2299	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2723	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2300	}	2724	}
2301		2725
2302	sub cf::object::player::leave_link {	2726	sub cf::object::player::leave_link {
2303	my ($self, $map, $x, $y) = @_;	2727	my ($self, $map, $x, $y) = @_;
2304		2728
…		…
2321	($x, $y) = (-1, -1)	2745	($x, $y) = (-1, -1)
2322	unless (defined $x) && (defined $y);	2746	unless (defined $x) && (defined $y);
2323		2747
2324	# use -1 or undef as default coordinates, not 0, 0	2748	# use -1 or undef as default coordinates, not 0, 0
2325	($x, $y) = ($map->enter_x, $map->enter_y)	2749	($x, $y) = ($map->enter_x, $map->enter_y)
2326	if $x <=0 && $y <= 0;	2750	if $x <= 0 && $y <= 0;
2327		2751
2328	$map->load;	2752	$map->load;
2329	$map->load_neighbours;
2330		2753
2331	return unless $self->contr->active;	2754	return unless $self->contr->active;
2332	$self->activate_recursive;
2333		2755
2334	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2756	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2335	$self->enter_map ($map, $x, $y);	2757	if ($self->enter_map ($map, $x, $y)) {
2336	}	2758	# entering was successful
		2759	delete $self->{_link_recursion};
		2760	# only activate afterwards, to support waiting in hooks
		2761	$self->activate_recursive;
		2762	}
2337		2763
		2764	}
		2765
2338	=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)]])
2339		2767
2340	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
2341	her, loading and preparing them map, calling the provided $check callback	2769	her, loading and preparing them map, calling the provided $check callback
2342	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
2343	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
2344	be called at the end of this process.	2772	be called at the end of this process.
2345		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
2346	=cut	2777	=cut
2347		2778
2348	our $GOTOGEN;	2779	our $GOTOGEN;
2349		2780
2350	sub cf::object::player::goto {	2781	sub cf::object::player::goto {
2351	my ($self, $path, $x, $y, $check, $done) = @_;	2782	my ($self, $path, $x, $y, $check, $done) = @_;
2352		2783
		2784	if ($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
2353	# 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
2354	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2791	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2355		2792
2356	$self->enter_link;	2793	$self->enter_link;
2357		2794
2358	(async {	2795	(async {
		2796	$Coro::current->{desc} = "player::goto $path $x $y";
		2797
		2798	# *tag paths override both path and x|y
		2799	if ($path =~ /^\*(.*)$/) {
		2800	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2801	my $ob = $obs[rand @obs];
		2802
		2803	# see if we actually can go there
		2804	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2805	$ob = $obs[rand @obs];
		2806	} else {
		2807	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2808	}
		2809	# else put us there anyways for now #d#
		2810
		2811	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2812	} else {
		2813	($path, $x, $y) = (undef, undef, undef);
		2814	}
		2815	}
		2816
2359	my $map = eval {	2817	my $map = eval {
2360	my $map = cf::map::find $path;	2818	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2361		2819
2362	if ($map) {	2820	if ($map) {
2363	$map = $map->customise_for ($self);	2821	$map = $map->customise_for ($self);
2364	$map = $check->($map) if $check && $map;	2822	$map = $check->($map, $x, $y, $self) if $check && $map;
2365	} else {	2823	} else {
2366	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2824	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2367	}	2825	}
2368		2826
2369	$map	2827	$map
2370	};	2828	};
2371		2829
…		…
2377	if ($gen == $self->{_goto_generation}) {	2835	if ($gen == $self->{_goto_generation}) {
2378	delete $self->{_goto_generation};	2836	delete $self->{_goto_generation};
2379	$self->leave_link ($map, $x, $y);	2837	$self->leave_link ($map, $x, $y);
2380	}	2838	}
2381		2839
2382	$done->() if $done;	2840	$done->($self) if $done;
2383	})->prio (1);	2841	})->prio (1);
2384	}	2842	}
2385		2843
2386	=item $player_object->enter_exit ($exit_object)	2844	=item $player_object->enter_exit ($exit_object)
2387		2845
…		…
2407	}	2865	}
2408		2866
2409	sub prepare_random_map {	2867	sub prepare_random_map {
2410	my ($exit) = @_;	2868	my ($exit) = @_;
2411		2869
2412	my $guard = cf::lock_acquire "exit_prepare:$exit";
2413
2414	# all this does is basically replace the /! path by	2870	# all this does is basically replace the /! path by
2415	# a new random map path (?random/...) with a seed	2871	# a new random map path (?random/...) with a seed
2416	# that depends on the exit object	2872	# that depends on the exit object
2417		2873
2418	my $rmp = parse_random_map_params $exit->msg;	2874	my $rmp = parse_random_map_params $exit->msg;
…		…
2420	if ($exit->map) {	2876	if ($exit->map) {
2421	$rmp->{region} = $exit->region->name;	2877	$rmp->{region} = $exit->region->name;
2422	$rmp->{origin_map} = $exit->map->path;	2878	$rmp->{origin_map} = $exit->map->path;
2423	$rmp->{origin_x} = $exit->x;	2879	$rmp->{origin_x} = $exit->x;
2424	$rmp->{origin_y} = $exit->y;	2880	$rmp->{origin_y} = $exit->y;
		2881
		2882	$exit->map->touch;
2425	}	2883	}
2426		2884
2427	$rmp->{random_seed} ||= $exit->random_seed;	2885	$rmp->{random_seed} ||= $exit->random_seed;
2428		2886
2429	my $data = cf::to_json $rmp;	2887	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2430	my $md5 = Digest::MD5::md5_hex $data;	2888	my $md5 = Digest::MD5::md5_hex $data;
2431	my $meta = "$RANDOMDIR/$md5.meta";	2889	my $meta = "$RANDOMDIR/$md5.meta";
2432		2890
2433	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2891	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2434	aio_write $fh, 0, (length $data), $data, 0;	2892	aio_write $fh, 0, (length $data), $data, 0;
2435	undef $fh;	2893	undef $fh;
2436	aio_rename "$meta~", $meta;	2894	aio_rename "$meta~", $meta;
2437		2895
		2896	my $slaying = "?random/$md5";
		2897
		2898	if ($exit->valid) {
2438	$exit->slaying ("?random/$md5");	2899	$exit->slaying ("?random/$md5");
2439	$exit->msg (undef);	2900	$exit->msg (undef);
		2901	}
2440	}	2902	}
2441	}	2903	}
2442		2904
2443	sub cf::object::player::enter_exit {	2905	sub cf::object::player::enter_exit {
2444	my ($self, $exit) = @_;	2906	my ($self, $exit) = @_;
2445		2907
2446	return unless $self->type == cf::PLAYER;	2908	return unless $self->type == cf::PLAYER;
2447		2909
2448	if ($exit->slaying eq "/!") {
2449	#TODO: this should de-fi-ni-te-ly not be a sync-job
2450	# the problem is that $exit might not survive long enough
2451	# so it needs to be done right now, right here
2452	cf::sync_job { prepare_random_map $exit };
2453	}
2454
2455	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2456	my $hp = $exit->stats->hp;
2457	my $sp = $exit->stats->sp;
2458
2459	$self->enter_link;	2910	$self->enter_link;
2460		2911
2461	# if exit is damned, update players death & WoR home-position
2462	$self->contr->savebed ($slaying, $hp, $sp)
2463	if $exit->flag (FLAG_DAMNED);
2464
2465	(async {	2912	(async {
2466	$self->deactivate_recursive; # just to be sure	2913	$Coro::current->{desc} = "enter_exit";
		2914
2467	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
2468	$self->goto ($slaying, $hp, $sp);	2945	$self->goto ($map, $x, $y);
2469		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
2470	1;	2951	1
2471	}) {	2952	}) {
2472	$self->message ("Something went wrong deep within the crossfire server. "	2953	$self->message ("Something went wrong deep within the deliantra server. "
2473	. "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. "
2474	. "Please report this to the dungeon master!",	2955	. "Please report this to the dungeon master!",
2475	cf::NDI_UNIQUE | cf::NDI_RED);	2956	cf::NDI_UNIQUE | cf::NDI_RED);
2476		2957
2477	warn "ERROR in enter_exit: $@";	2958	error "ERROR in enter_exit: $@";
2478	$self->leave_link;	2959	$self->leave_link;
2479	}	2960	}
2480	})->prio (1);	2961	})->prio (1);
2481	}	2962	}
2482		2963
…		…
2494	sub cf::client::send_drawinfo {	2975	sub cf::client::send_drawinfo {
2495	my ($self, $text, $flags) = @_;	2976	my ($self, $text, $flags) = @_;
2496		2977
2497	utf8::encode $text;	2978	utf8::encode $text;
2498	$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);
2499	}	3005	}
2500		3006
2501	=item $client->send_msg ($channel, $msg, $color, [extra...])	3007	=item $client->send_msg ($channel, $msg, $color, [extra...])
2502		3008
2503	Send a drawinfo or msg packet to the client, formatting the msg for the	3009	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2505	the message, with C<log> being the default. If C<$color> is negative, suppress	3011	the message, with C<log> being the default. If C<$color> is negative, suppress
2506	the message unless the client supports the msg packet.	3012	the message unless the client supports the msg packet.
2507		3013
2508	=cut	3014	=cut
2509		3015
		3016	# non-persistent channels (usually the info channel)
2510	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	},
2511	"c/identify" => {	3024	"c/identify" => {
2512	id => "identify",	3025	id => "infobox",
2513	title => "Identify",	3026	title => "Identify",
2514	reply => undef,	3027	reply => undef,
2515	tooltip => "Items recently identified",	3028	tooltip => "Items recently identified",
2516	},	3029	},
2517	"c/examine" => {	3030	"c/examine" => {
2518	id => "examine",	3031	id => "infobox",
2519	title => "Examine",	3032	title => "Examine",
2520	reply => undef,	3033	reply => undef,
2521	tooltip => "Signs and other items you examined",	3034	tooltip => "Signs and other items you examined",
2522	},	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" => $CHAT_CHANNEL,
2523	);	3128	);
2524		3129
2525	sub cf::client::send_msg {	3130	sub cf::client::send_msg {
2526	my ($self, $channel, $msg, $color, @extra) = @_;	3131	my ($self, $channel, $msg, $color, @extra) = @_;
2527		3132
2528	$msg = $self->pl->expand_cfpod ($msg);	3133	$msg = $self->pl->expand_cfpod ($msg)
		3134	unless $color & cf::NDI_VERBATIM;
2529		3135
2530	$color &= cf::NDI_CLIENT_MASK; # just in case...	3136	$color &= cf::NDI_CLIENT_MASK; # just in case...
2531		3137
2532	# check predefined channels, for the benefit of C	3138	# check predefined channels, for the benefit of C
2533	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	3139	if ($CHANNEL{$channel}) {
		3140	$channel = $CHANNEL{$channel};
2534		3141
		3142	$self->ext_msg (channel_info => $channel);
		3143	$channel = $channel->{id};
		3144
2535	if (ref $channel) {	3145	} elsif (ref $channel) {
2536	# send meta info to client, if not yet sent	3146	# send meta info to client, if not yet sent
2537	unless (exists $self->{channel}{$channel->{id}}) {	3147	unless (exists $self->{channel}{$channel->{id}}) {
2538	$self->{channel}{$channel->{id}} = $channel;	3148	$self->{channel}{$channel->{id}} = $channel;
2539	$self->ext_msg (channel_info => $channel)	3149	$self->ext_msg (channel_info => $channel);
2540	if $self->can_msg;
2541	}	3150	}
2542		3151
2543	$channel = $channel->{id};	3152	$channel = $channel->{id};
2544	}	3153	}
2545		3154
2546	return unless @extra || length $msg;	3155	return unless @extra || length $msg;
2547		3156
2548	if ($self->can_msg) {
2549	# default colour, mask it out	3157	# default colour, mask it out
2550	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3158	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2551	if $color & cf::NDI_DEF;	3159	if $color & cf::NDI_DEF;
2552		3160
2553	$self->send_packet ("msg " . $self->{json_coder}->encode (	3161	my $pkt = "msg "
		3162	. $self->{json_coder}->encode (
2554	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3163	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2555	} else {	3164	);
2556	if ($color >= 0) {
2557	# replace some tags by gcfclient-compatible ones
2558	for ($msg) {
2559	1 while
2560	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2561	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2562	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2563	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2564	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2565	}
2566		3165
2567	$color &= cf::NDI_COLOR_MASK;	3166	$self->send_big_packet ($pkt);
2568
2569	utf8::encode $msg;
2570
2571	if (0 && $msg =~ /\[/) {
2572	# COMMAND/INFO
2573	$self->send_packet ("drawextinfo $color 10 8 $msg")
2574	} else {
2575	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2576	$self->send_packet ("drawinfo $color $msg")
2577	}
2578	}
2579	}
2580	}	3167	}
2581		3168
2582	=item $client->ext_msg ($type, @msg)	3169	=item $client->ext_msg ($type, @msg)
2583		3170
2584	Sends an ext event to the client.	3171	Sends an ext event to the client.
…		…
2587		3174
2588	sub cf::client::ext_msg($$@) {	3175	sub cf::client::ext_msg($$@) {
2589	my ($self, $type, @msg) = @_;	3176	my ($self, $type, @msg) = @_;
2590		3177
2591	if ($self->extcmd == 2) {	3178	if ($self->extcmd == 2) {
2592	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2593	} elsif ($self->extcmd == 1) { # TODO: remove	3180	} elsif ($self->extcmd == 1) { # TODO: remove
2594	push @msg, msgtype => "event_$type";	3181	push @msg, msgtype => "event_$type";
2595	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3182	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2596	}	3183	}
2597	}	3184	}
2598		3185
2599	=item $client->ext_reply ($msgid, @msg)	3186	=item $client->ext_reply ($msgid, @msg)
2600		3187
…		…
2604		3191
2605	sub cf::client::ext_reply($$@) {	3192	sub cf::client::ext_reply($$@) {
2606	my ($self, $id, @msg) = @_;	3193	my ($self, $id, @msg) = @_;
2607		3194
2608	if ($self->extcmd == 2) {	3195	if ($self->extcmd == 2) {
2609	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3196	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2610	} elsif ($self->extcmd == 1) {	3197	} elsif ($self->extcmd == 1) {
2611	#TODO: version 1, remove	3198	#TODO: version 1, remove
2612	unshift @msg, msgtype => "reply", msgid => $id;	3199	unshift @msg, msgtype => "reply", msgid => $id;
2613	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3200	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2614	}	3201	}
2615	}	3202	}
2616		3203
2617	=item $success = $client->query ($flags, "text", \&cb)	3204	=item $success = $client->query ($flags, "text", \&cb)
2618		3205
…		…
2689		3276
2690	$ns->ext_reply ($reply, @reply)	3277	$ns->ext_reply ($reply, @reply)
2691	if $reply;	3278	if $reply;
2692		3279
2693	} else {	3280	} else {
2694	warn "client " . ($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";
2695	}	3282	}
2696		3283
2697	cf::override;	3284	cf::override;
2698	},	3285	},
2699	);	3286	);
…		…
2719		3306
2720	$coro	3307	$coro
2721	}	3308	}
2722		3309
2723	cf::client->attach (	3310	cf::client->attach (
2724	on_destroy => sub {	3311	on_client_destroy => sub {
2725	my ($ns) = @_;	3312	my ($ns) = @_;
2726		3313
2727	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3314	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2728	},	3315	},
2729	);	3316	);
…		…
2745	our $safe_hole = new Safe::Hole;	3332	our $safe_hole = new Safe::Hole;
2746		3333
2747	$SIG{FPE} = 'IGNORE';	3334	$SIG{FPE} = 'IGNORE';
2748		3335
2749	$safe->permit_only (Opcode::opset qw(	3336	$safe->permit_only (Opcode::opset qw(
2750	:base_core :base_mem :base_orig :base_math	3337	:base_core :base_mem :base_orig :base_math :base_loop
2751	grepstart grepwhile mapstart mapwhile	3338	grepstart grepwhile mapstart mapwhile
2752	sort time	3339	sort time
2753	));	3340	));
2754		3341
2755	# here we export the classes and methods available to script code	3342	# here we export the classes and methods available to script code
…		…
2757	=pod	3344	=pod
2758		3345
2759	The following functions and methods are available within a safe environment:	3346	The following functions and methods are available within a safe environment:
2760		3347
2761	cf::object	3348	cf::object
2762	contr pay_amount pay_player map x y force_find force_add	3349	contr pay_amount pay_player map x y force_find force_add destroy
2763	insert remove name archname title slaying race decrease_ob_nr	3350	insert remove name archname title slaying race decrease split
		3351	value
2764		3352
2765	cf::object::player	3353	cf::object::player
2766	player	3354	player
2767		3355
2768	cf::player	3356	cf::player
…		…
2773		3361
2774	=cut	3362	=cut
2775		3363
2776	for (	3364	for (
2777	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3365	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2778	insert remove inv name archname title slaying race	3366	insert remove inv nrof name archname title slaying race
2779	decrease_ob_nr)],	3367	decrease split destroy change_exp value msg lore send_msg)],
2780	["cf::object::player" => qw(player)],	3368	["cf::object::player" => qw(player)],
2781	["cf::player" => qw(peaceful)],	3369	["cf::player" => qw(peaceful send_msg)],
2782	["cf::map" => qw(trigger)],	3370	["cf::map" => qw(trigger)],
2783	) {	3371	) {
2784	no strict 'refs';
2785	my ($pkg, @funs) = @$_;	3372	my ($pkg, @funs) = @$_;
2786	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3373	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2787	for @funs;	3374	for @funs;
2788	}	3375	}
2789		3376
…		…
2804		3391
2805	my $qcode = $code;	3392	my $qcode = $code;
2806	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3393	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2807	$qcode =~ s/\n/\\n/g;	3394	$qcode =~ s/\n/\\n/g;
2808		3395
		3396	%vars = (_dummy => 0) unless %vars;
		3397
		3398	my @res;
2809	local $_;	3399	local $_;
2810	local @safe::cf::_safe_eval_args = values %vars;
2811		3400
2812	my $eval =	3401	my $eval =
2813	"do {\n"	3402	"do {\n"
2814	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3403	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2815	. "#line 0 \"{$qcode}\"\n"	3404	. "#line 0 \"{$qcode}\"\n"
2816	. $code	3405	. $code
2817	. "\n}"	3406	. "\n}"
2818	;	3407	;
2819		3408
		3409	if ($CFG{safe_eval}) {
2820	sub_generation_inc;	3410	sub_generation_inc;
		3411	local @safe::cf::_safe_eval_args = values %vars;
2821	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3412	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2822	sub_generation_inc;	3413	sub_generation_inc;
		3414	} else {
		3415	local @cf::_safe_eval_args = values %vars;
		3416	@res = wantarray ? eval eval : scalar eval $eval;
		3417	}
2823		3418
2824	if ($@) {	3419	if ($@) {
2825	warn "$@";	3420	warn "$@",
2826	warn "while executing safe code '$code'\n";	3421	"while executing safe code '$code'\n",
2827	warn "with arguments " . (join " ", %vars) . "\n";	3422	"with arguments " . (join " ", %vars) . "\n";
2828	}	3423	}
2829		3424
2830	wantarray ? @res : $res[0]	3425	wantarray ? @res : $res[0]
2831	}	3426	}
2832		3427
…		…
2846	=cut	3441	=cut
2847		3442
2848	sub register_script_function {	3443	sub register_script_function {
2849	my ($fun, $cb) = @_;	3444	my ($fun, $cb) = @_;
2850		3445
2851	no strict 'refs';	3446	$fun = "safe::$fun" if $CFG{safe_eval};
2852	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3447	*$fun = $safe_hole->wrap ($cb);
2853	}	3448	}
2854		3449
2855	=back	3450	=back
2856		3451
2857	=cut	3452	=cut
…		…
2866	# for this (global event?)	3461	# for this (global event?)
2867	%ext::player_env::MUSIC_FACE_CACHE = ();	3462	%ext::player_env::MUSIC_FACE_CACHE = ();
2868		3463
2869	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3464	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2870		3465
2871	warn "loading facedata from $path\n";	3466	trace "loading facedata from $path\n";
2872		3467
2873	my $facedata;	3468	my $facedata = decode_storable load_file $path;
2874	0 < aio_load $path, $facedata
2875	or die "$path: $!";
2876
2877	$facedata = Coro::Storable::thaw $facedata;
2878		3469
2879	$facedata->{version} == 2	3470	$facedata->{version} == 2
2880	or cf::cleanup "$path: version mismatch, cannot proceed.";	3471	or cf::cleanup "$path: version mismatch, cannot proceed.";
2881		3472
2882	# 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]);
2883	$facedata->{resource}{"res/exp_table"} = {	3475	$facedata->{resource}{"res/exp_table"} = {
2884	type => FT_RSRC,	3476	type => FT_RSRC,
2885	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),
2886	};	3479	};
2887	cf::cede_to_tick;	3480	cf::cede_to_tick;
2888		3481
2889	{	3482	{
2890	my $faces = $facedata->{faceinfo};	3483	my $faces = $facedata->{faceinfo};
2891		3484
2892	while (my ($face, $info) = each %$faces) {	3485	while (my ($face, $info) = each %$faces) {
2893	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3486	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3487
2894	cf::face::set_visibility $idx, $info->{visibility};	3488	cf::face::set_visibility $idx, $info->{visibility};
2895	cf::face::set_magicmap $idx, $info->{magicmap};	3489	cf::face::set_magicmap $idx, $info->{magicmap};
2896	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3490	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2897	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} , $info->{glyph} ;
2898		3493
2899	cf::cede_to_tick;	3494	cf::cede_to_tick;
2900	}	3495	}
2901		3496
2902	while (my ($face, $info) = each %$faces) {	3497	while (my ($face, $info) = each %$faces) {
2903	next unless $info->{smooth};	3498	next unless $info->{smooth};
		3499
2904	my $idx = cf::face::find $face	3500	my $idx = cf::face::find $face
2905	or next;	3501	or next;
		3502
2906	if (my $smooth = cf::face::find $info->{smooth}) {	3503	if (my $smooth = cf::face::find $info->{smooth}) {
2907	cf::face::set_smooth $idx, $smooth;	3504	cf::face::set_smooth $idx, $smooth;
2908	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3505	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2909	} else {	3506	} else {
2910	warn "smooth face '$info->{smooth}' not found for face '$face'";	3507	error "smooth face '$info->{smooth}' not found for face '$face'";
2911	}	3508	}
2912		3509
2913	cf::cede_to_tick;	3510	cf::cede_to_tick;
2914	}	3511	}
2915	}	3512	}
…		…
2924		3521
2925	cf::anim::invalidate_all; # d'oh	3522	cf::anim::invalidate_all; # d'oh
2926	}	3523	}
2927		3524
2928	{	3525	{
2929	# TODO: for gcfclient pleasure, we should give resources
2930	# that gcfclient doesn't grok a >10000 face index.
2931	my $res = $facedata->{resource};	3526	my $res = $facedata->{resource};
2932		3527
2933	my $soundconf = delete $res->{"res/sound.conf"};
2934
2935	while (my ($name, $info) = each %$res) {	3528	while (my ($name, $info) = each %$res) {
		3529	if (defined $info->{type}) {
2936	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3530	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2937	my $data;
2938		3531
2939	if ($info->{type} & 1) {	3532	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2940	# prepend meta info	3533	cf::face::set_type $idx, $info->{type};
2941
2942	my $meta = $enc->encode ({
2943	name => $name,
2944	%{ $info->{meta} || {} },
2945	});
2946
2947	$data = pack "(w/a*)*", $meta, $info->{data};
2948	} else {	3534	} else {
2949	$data = $info->{data};	3535	$RESOURCE{$name} = $info; # unused
2950	}	3536	}
2951		3537
2952	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2953	cf::face::set_type $idx, $info->{type};
2954
2955	cf::cede_to_tick;	3538	cf::cede_to_tick;
2956	}	3539	}
2957
2958	if ($soundconf) {
2959	$soundconf = $enc->decode (delete $soundconf->{data});
2960
2961	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2962	my $sound = $soundconf->{compat}[$_]
2963	or next;
2964
2965	my $face = cf::face::find "sound/$sound->[1]";
2966	cf::sound::set $sound->[0] => $face;
2967	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2968	}
2969
2970	while (my ($k, $v) = each %{$soundconf->{event}}) {
2971	my $face = cf::face::find "sound/$v";
2972	cf::sound::set $k => $face;
2973	}
2974	}
2975	}	3540	}
		3541
		3542	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2976		3543
2977	1	3544	1
2978	}	3545	}
2979		3546
2980	register_exticmd fx_want => sub {	3547	register_exticmd fx_want => sub {
…		…
2982		3549
2983	while (my ($k, $v) = each %$want) {	3550	while (my ($k, $v) = each %$want) {
2984	$ns->fx_want ($k, $v);	3551	$ns->fx_want ($k, $v);
2985	}	3552	}
2986	};	3553	};
		3554
		3555	sub load_resource_file($) {
		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	$status
		3563	}
2987		3564
2988	sub reload_regions {	3565	sub reload_regions {
2989	# HACK to clear player env face cache, we need some signal framework	3566	# HACK to clear player env face cache, we need some signal framework
2990	# for this (global event?)	3567	# for this (global event?)
2991	%ext::player_env::MUSIC_FACE_CACHE = ();	3568	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3005	}	3582	}
3006		3583
3007	sub reload_archetypes {	3584	sub reload_archetypes {
3008	load_resource_file "$DATADIR/archetypes"	3585	load_resource_file "$DATADIR/archetypes"
3009	or die "unable to load archetypes\n";	3586	or die "unable to load archetypes\n";
3010	#d# NEED to laod twice to resolve forward references
3011	# this really needs to be done in an extra post-pass
3012	# (which needs to be synchronous, so solve it differently)
3013	load_resource_file "$DATADIR/archetypes"
3014	or die "unable to load archetypes\n";
3015	}	3587	}
3016		3588
3017	sub reload_treasures {	3589	sub reload_treasures {
3018	load_resource_file "$DATADIR/treasures"	3590	load_resource_file "$DATADIR/treasures"
3019	or die "unable to load treasurelists\n";	3591	or die "unable to load treasurelists\n";
3020	}	3592	}
3021		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
3022	sub reload_resources {	3614	sub reload_resources {
3023	warn "reloading resource files...\n";	3615	trace "reloading resource files...\n";
3024		3616
		3617	reload_exp_table;
		3618	reload_materials;
		3619	reload_facedata;
		3620	reload_sound;
		3621	reload_archetypes;
3025	reload_regions;	3622	reload_regions;
3026	reload_facedata;
3027	#reload_archetypes;#d#
3028	reload_archetypes;
3029	reload_treasures;	3623	reload_treasures;
3030		3624
3031	warn "finished reloading resource files\n";	3625	trace "finished reloading resource files\n";
3032	}
3033
3034	sub init {
3035	reload_resources;
3036	}	3626	}
3037		3627
3038	sub reload_config {	3628	sub reload_config {
3039	open my $fh, "<:utf8", "$CONFDIR/config"	3629	trace "reloading config file...\n";
3040	or return;
3041		3630
3042	local $/;	3631	my $config = load_file "$CONFDIR/config";
3043	*CFG = YAML::Syck::Load <$fh>;	3632	utf8::decode $config;
		3633	*CFG = decode_yaml $config;
3044		3634
3045	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3635	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3046		3636
3047	$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};
3048	$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};
3049		3639
3050	if (exists $CFG{mlockall}) {	3640	if (exists $CFG{mlockall}) {
…		…
3054	};	3644	};
3055	warn $@ if $@;	3645	warn $@ if $@;
3056	}	3646	}
3057	}	3647	}
3058		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
3059	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
3060	# we must not ever block the main coroutine	3687	# we must not ever block the main coroutine
3061	local $Coro::idle = sub {	3688	local $Coro::idle = sub {
3062	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#
3063	(async {	3690	(async {
3064	Event::one_event;	3691	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3692	EV::loop EV::LOOP_ONESHOT;
3065	})->prio (Coro::PRIO_MAX);	3693	})->prio (Coro::PRIO_MAX);
3066	};	3694	};
3067		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;
3068	reload_config;	3708	reload_config;
3069	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
3070	load_extensions;	3719	load_extensions;
3071		3720
3072	$TICK_WATCHER->start;	3721	utime time, time, $RUNTIMEFILE;
3073	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	my $free_main; $free_main = EV::idle sub {
		3734	undef $free_main;
		3735	undef &main; # free gobs of memory :)
		3736	};
		3737
		3738	goto &main_loop;
3074	}	3739	}
3075		3740
3076	#############################################################################	3741	#############################################################################
3077	# initialisation and cleanup	3742	# initialisation and cleanup
3078		3743
3079	# install some emergency cleanup handlers	3744	# install some emergency cleanup handlers
3080	BEGIN {	3745	BEGIN {
		3746	our %SIGWATCHER = ();
3081	for my $signal (qw(INT HUP TERM)) {	3747	for my $signal (qw(INT HUP TERM)) {
3082	Event->signal (	3748	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3083	reentrant => 0,
3084	data => WF_AUTOCANCEL,
3085	signal => $signal,
3086	prio => 0,
3087	cb => sub {
3088	cf::cleanup "SIG$signal";	3749	cf::cleanup "SIG$signal";
3089	},
3090	);	3750	};
3091	}	3751	}
3092	}	3752	}
3093		3753
3094	sub write_runtime {	3754	sub write_runtime_sync {
3095	my $runtime = "$LOCALDIR/runtime";	3755	my $t0 = AE::time;
3096		3756
3097	# first touch the runtime file to show we are still running:	3757	# first touch the runtime file to show we are still running:
3098	# the fsync below can take a very very long time.	3758	# the fsync below can take a very very long time.
3099		3759
3100	IO::AIO::aio_utime $runtime, undef, undef;	3760	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3101		3761
3102	my $guard = cf::lock_acquire "write_runtime";	3762	my $guard = cf::lock_acquire "write_runtime";
3103		3763
3104	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3764	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3105	or return;	3765	or return;
3106		3766
3107	my $value = $cf::RUNTIME + 90 + 10;	3767	my $value = $cf::RUNTIME + 90 + 10;
3108	# 10 is the runtime save interval, for a monotonic clock	3768	# 10 is the runtime save interval, for a monotonic clock
3109	# 60 allows for the watchdog to kill the server.	3769	# 60 allows for the watchdog to kill the server.
…		…
3119	aio_utime $fh, undef, undef;	3779	aio_utime $fh, undef, undef;
3120		3780
3121	close $fh	3781	close $fh
3122	or return;	3782	or return;
3123		3783
3124	aio_rename "$runtime~", $runtime	3784	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3125	and return;	3785	and return;
3126		3786
3127	warn "runtime file written.\n";	3787	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3128		3788
3129	1	3789	1
		3790	}
		3791
		3792	our $uuid_lock;
		3793	our $uuid_skip;
		3794
		3795	sub write_uuid_sync($) {
		3796	$uuid_skip ||= $_[0];
		3797
		3798	return if $uuid_lock;
		3799	local $uuid_lock = 1;
		3800
		3801	my $uuid = "$LOCALDIR/uuid";
		3802
		3803	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3804	or return;
		3805
		3806	my $value = uuid_seq uuid_cur;
		3807
		3808	unless ($value) {
		3809	info "cowardly refusing to write zero uuid value!\n";
		3810	return;
		3811	}
		3812
		3813	my $value = uuid_str $value + $uuid_skip;
		3814	$uuid_skip = 0;
		3815
		3816	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3817	and return;
		3818
		3819	# always fsync - this file is important
		3820	aio_fsync $fh
		3821	and return;
		3822
		3823	close $fh
		3824	or return;
		3825
		3826	aio_rename "$uuid~", $uuid
		3827	and return;
		3828
		3829	trace "uuid file written ($value).\n";
		3830
		3831	1
		3832
		3833	}
		3834
		3835	sub write_uuid($$) {
		3836	my ($skip, $sync) = @_;
		3837
		3838	$sync ? write_uuid_sync $skip
		3839	: async { write_uuid_sync $skip };
3130	}	3840	}
3131		3841
3132	sub emergency_save() {	3842	sub emergency_save() {
3133	my $freeze_guard = cf::freeze_mainloop;	3843	my $freeze_guard = cf::freeze_mainloop;
3134		3844
3135	warn "enter emergency perl save\n";	3845	info "emergency_perl_save: enter\n";
		3846
		3847	# this is a trade-off: we want to be very quick here, so
		3848	# save all maps without fsync, and later call a global sync
		3849	# (which in turn might be very very slow)
		3850	local $USE_FSYNC = 0;
3136		3851
3137	cf::sync_job {	3852	cf::sync_job {
		3853	cf::write_runtime_sync; # external watchdog should not bark
		3854
3138	# use a peculiar iteration method to avoid tripping on perl	3855	# use a peculiar iteration method to avoid tripping on perl
3139	# refcount bugs in for. also avoids problems with players	3856	# refcount bugs in for. also avoids problems with players
3140	# and maps saved/destroyed asynchronously.	3857	# and maps saved/destroyed asynchronously.
3141	warn "begin emergency player save\n";	3858	info "emergency_perl_save: begin player save\n";
3142	for my $login (keys %cf::PLAYER) {	3859	for my $login (keys %cf::PLAYER) {
3143	my $pl = $cf::PLAYER{$login} or next;	3860	my $pl = $cf::PLAYER{$login} or next;
3144	$pl->valid or next;	3861	$pl->valid or next;
		3862	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3145	$pl->save;	3863	$pl->save;
3146	}	3864	}
3147	warn "end emergency player save\n";	3865	info "emergency_perl_save: end player save\n";
3148		3866
3149	warn "begin emergency map save\n";	3867	cf::write_runtime_sync; # external watchdog should not bark
		3868
		3869	info "emergency_perl_save: begin map save\n";
3150	for my $path (keys %cf::MAP) {	3870	for my $path (keys %cf::MAP) {
3151	my $map = $cf::MAP{$path} or next;	3871	my $map = $cf::MAP{$path} or next;
3152	$map->valid or next;	3872	$map->valid or next;
3153	$map->save;	3873	$map->save;
3154	}	3874	}
3155	warn "end emergency map save\n";	3875	info "emergency_perl_save: end map save\n";
3156		3876
3157	warn "begin emergency database checkpoint\n";	3877	cf::write_runtime_sync; # external watchdog should not bark
		3878
		3879	info "emergency_perl_save: begin database checkpoint\n";
3158	BDB::db_env_txn_checkpoint $DB_ENV;	3880	BDB::db_env_txn_checkpoint $DB_ENV;
3159	warn "end emergency database checkpoint\n";	3881	info "emergency_perl_save: end database checkpoint\n";
		3882
		3883	info "emergency_perl_save: begin write uuid\n";
		3884	write_uuid_sync 1;
		3885	info "emergency_perl_save: end write uuid\n";
		3886
		3887	cf::write_runtime_sync; # external watchdog should not bark
		3888
		3889	trace "emergency_perl_save: syncing database to disk";
		3890	BDB::db_env_txn_checkpoint $DB_ENV;
		3891
		3892	info "emergency_perl_save: starting sync\n";
		3893	IO::AIO::aio_sync sub {
		3894	info "emergency_perl_save: finished sync\n";
		3895	};
		3896
		3897	cf::write_runtime_sync; # external watchdog should not bark
		3898
		3899	trace "emergency_perl_save: flushing outstanding aio requests";
		3900	while (IO::AIO::nreqs || BDB::nreqs) {
		3901	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3902	}
		3903
		3904	cf::write_runtime_sync; # external watchdog should not bark
3160	};	3905	};
3161		3906
3162	warn "leave emergency perl save\n";	3907	info "emergency_perl_save: leave\n";
3163	}	3908	}
3164		3909
3165	sub post_cleanup {	3910	sub post_cleanup {
3166	my ($make_core) = @_;	3911	my ($make_core) = @_;
3167		3912
		3913	IO::AIO::flush;
		3914
3168	warn Carp::longmess "post_cleanup backtrace"	3915	error Carp::longmess "post_cleanup backtrace"
3169	if $make_core;	3916	if $make_core;
		3917
		3918	my $fh = pidfile;
		3919	unlink $PIDFILE if <$fh> == $$;
		3920	}
		3921
		3922	# a safer delete_package, copied from Symbol
		3923	sub clear_package($) {
		3924	my $pkg = shift;
		3925
		3926	# expand to full symbol table name if needed
		3927	unless ($pkg =~ /^main::.*::$/) {
		3928	$pkg = "main$pkg" if $pkg =~ /^::/;
		3929	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3930	$pkg .= '::' unless $pkg =~ /::$/;
		3931	}
		3932
		3933	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3934	my $stem_symtab = *{$stem}{HASH};
		3935
		3936	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3937	or return;
		3938
		3939	# clear all symbols
		3940	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3941	for my $name (keys %$leaf_symtab) {
		3942	_gv_clear *{"$pkg$name"};
		3943	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3944	}
3170	}	3945	}
3171		3946
3172	sub do_reload_perl() {	3947	sub do_reload_perl() {
3173	# can/must only be called in main	3948	# can/must only be called in main
3174	if ($Coro::current != $Coro::main) {	3949	unless (in_main) {
3175	warn "can only reload from main coroutine";	3950	error "can only reload from main coroutine";
3176	return;	3951	return;
3177	}	3952	}
3178		3953
3179	warn "reloading...";	3954	return if $RELOAD++;
3180		3955
3181	warn "entering sync_job";	3956	my $t1 = AE::time;
3182		3957
		3958	while ($RELOAD) {
		3959	cf::get_slot 0.1, -1, "reload_perl";
		3960	info "perl_reload: reloading...";
		3961
		3962	trace "perl_reload: entering sync_job";
		3963
3183	cf::sync_job {	3964	cf::sync_job {
3184	cf::write_runtime; # external watchdog should not bark
3185	cf::emergency_save;	3965	#cf::emergency_save;
3186	cf::write_runtime; # external watchdog should not bark
3187		3966
3188	warn "syncing database to disk";
3189	BDB::db_env_txn_checkpoint $DB_ENV;
3190
3191	# if anything goes wrong in here, we should simply crash as we already saved
3192
3193	warn "cancelling all WF_AUTOCANCEL watchers";
3194	for (Event::all_watchers) {
3195	$_->cancel if $_->data & WF_AUTOCANCEL;
3196	}
3197
3198	warn "flushing outstanding aio requests";
3199	for (;;) {
3200	BDB::flush;
3201	IO::AIO::flush;
3202	Coro::cede;
3203	last unless IO::AIO::nreqs || BDB::nreqs;
3204	warn "iterate...";
3205	}
3206
3207	++$RELOAD;
3208
3209	warn "cancelling all extension coros";	3967	trace "perl_reload: cancelling all extension coros";
3210	$_->cancel for values %EXT_CORO;	3968	$_->cancel for values %EXT_CORO;
3211	%EXT_CORO = ();	3969	%EXT_CORO = ();
3212		3970
3213	warn "removing commands";	3971	trace "perl_reload: removing commands";
3214	%COMMAND = ();	3972	%COMMAND = ();
3215		3973
3216	warn "removing ext/exti commands";	3974	trace "perl_reload: removing ext/exti commands";
3217	%EXTCMD = ();	3975	%EXTCMD = ();
3218	%EXTICMD = ();	3976	%EXTICMD = ();
3219		3977
3220	warn "unloading/nuking all extensions";	3978	trace "perl_reload: unloading/nuking all extensions";
3221	for my $pkg (@EXTS) {	3979	for my $pkg (@EXTS) {
3222	warn "... unloading $pkg";	3980	trace "... unloading $pkg";
3223		3981
3224	if (my $cb = $pkg->can ("unload")) {	3982	if (my $cb = $pkg->can ("unload")) {
3225	eval {	3983	eval {
3226	$cb->($pkg);	3984	$cb->($pkg);
3227	1	3985	1
3228	} or warn "$pkg unloaded, but with errors: $@";	3986	} or error "$pkg unloaded, but with errors: $@";
		3987	}
		3988
		3989	trace "... clearing $pkg";
		3990	clear_package $pkg;
3229	}	3991	}
3230		3992
3231	warn "... nuking $pkg";
3232	Symbol::delete_package $pkg;
3233	}
3234
3235	warn "unloading all perl modules loaded from $LIBDIR";	3993	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3236	while (my ($k, $v) = each %INC) {	3994	while (my ($k, $v) = each %INC) {
3237	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3995	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3238		3996
3239	warn "... unloading $k";	3997	trace "... unloading $k";
3240	delete $INC{$k};	3998	delete $INC{$k};
3241		3999
3242	$k =~ s/\.pm$//;	4000	$k =~ s/\.pm$//;
3243	$k =~ s/\//::/g;	4001	$k =~ s/\//::/g;
3244		4002
3245	if (my $cb = $k->can ("unload_module")) {	4003	if (my $cb = $k->can ("unload_module")) {
3246	$cb->();	4004	$cb->();
		4005	}
		4006
		4007	clear_package $k;
3247	}	4008	}
3248		4009
3249	Symbol::delete_package $k;
3250	}
3251
3252	warn "getting rid of safe::, as good as possible";	4010	trace "perl_reload: getting rid of safe::, as good as possible";
3253	Symbol::delete_package "safe::$_"	4011	clear_package "safe::$_"
3254	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4012	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3255		4013
3256	warn "unloading cf.pm \"a bit\"";	4014	trace "perl_reload: unloading cf.pm \"a bit\"";
3257	delete $INC{"cf.pm"};	4015	delete $INC{"cf.pm"};
3258	delete $INC{"cf/pod.pm"};	4016	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3259		4017
3260	# don't, removes xs symbols, too,	4018	# don't, removes xs symbols, too,
3261	# and global variables created in xs	4019	# and global variables created in xs
3262	#Symbol::delete_package __PACKAGE__;	4020	#clear_package __PACKAGE__;
3263		4021
3264	warn "unload completed, starting to reload now";	4022	info "perl_reload: unload completed, starting to reload now";
3265		4023
3266	warn "reloading cf.pm";	4024	trace "perl_reload: reloading cf.pm";
3267	require cf;	4025	require cf;
3268	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4026	cf::_connect_to_perl_1;
3269		4027
3270	warn "loading config and database again";	4028	trace "perl_reload: loading config and database again";
3271	cf::reload_config;	4029	cf::reload_config;
3272		4030
3273	warn "loading extensions";	4031	trace "perl_reload: loading extensions";
3274	cf::load_extensions;	4032	cf::load_extensions;
3275		4033
		4034	if ($REATTACH_ON_RELOAD) {
3276	warn "reattaching attachments to objects/players";	4035	trace "perl_reload: reattaching attachments to objects/players";
3277	_global_reattach; # objects, sockets	4036	_global_reattach; # objects, sockets
3278	warn "reattaching attachments to maps";	4037	trace "perl_reload: reattaching attachments to maps";
3279	reattach $_ for values %MAP;	4038	reattach $_ for values %MAP;
3280	warn "reattaching attachments to players";	4039	trace "perl_reload: reattaching attachments to players";
3281	reattach $_ for values %PLAYER;	4040	reattach $_ for values %PLAYER;
		4041	}
3282		4042
3283	warn "leaving sync_job";	4043	cf::_post_init 1;
3284		4044
		4045	trace "perl_reload: leaving sync_job";
		4046
3285	1	4047	1
3286	} or do {	4048	} or do {
3287	warn $@;	4049	error $@;
3288	warn "error while reloading, exiting.";	4050	cf::cleanup "perl_reload: error, exiting.";
3289	exit 1;	4051	};
		4052
		4053	--$RELOAD;
3290	};	4054	}
3291		4055
3292	warn "reloaded";	4056	$t1 = AE::time - $t1;
		4057	info "perl_reload: completed in ${t1}s\n";
3293	};	4058	};
3294		4059
3295	our $RELOAD_WATCHER; # used only during reload	4060	our $RELOAD_WATCHER; # used only during reload
3296		4061
3297	sub reload_perl() {	4062	sub reload_perl() {
3298	# doing reload synchronously and two reloads happen back-to-back,	4063	# doing reload synchronously and two reloads happen back-to-back,
3299	# coro crashes during coro_state_free->destroy here.	4064	# coro crashes during coro_state_free->destroy here.
3300		4065
3301	$RELOAD_WATCHER ||= Event->timer (	4066	$RELOAD_WATCHER ||= cf::async {
3302	reentrant => 0,	4067	Coro::AIO::aio_wait cache_extensions;
3303	after => 0,	4068
3304	data => WF_AUTOCANCEL,	4069	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3305	cb => sub {
3306	do_reload_perl;	4070	do_reload_perl;
3307	undef $RELOAD_WATCHER;	4071	undef $RELOAD_WATCHER;
3308	},	4072	};
3309	);	4073	};
3310	}	4074	}
3311		4075
3312	register_command "reload" => sub {	4076	register_command "reload" => sub {
3313	my ($who, $arg) = @_;	4077	my ($who, $arg) = @_;
3314		4078
3315	if ($who->flag (FLAG_WIZ)) {	4079	if ($who->flag (FLAG_WIZ)) {
3316	$who->message ("reloading server.");	4080	$who->message ("reloading server.");
		4081	async {
		4082	$Coro::current->{desc} = "perl_reload";
3317	async { reload_perl };	4083	reload_perl;
		4084	};
3318	}	4085	}
3319	};	4086	};
3320		4087
3321	unshift @INC, $LIBDIR;	4088	#############################################################################
3322		4089
3323	my $bug_warning = 0;	4090	my $bug_warning = 0;
3324		4091
3325	our @WAIT_FOR_TICK;
3326	our @WAIT_FOR_TICK_BEGIN;
3327
3328	sub wait_for_tick {	4092	sub wait_for_tick() {
3329	return unless $TICK_WATCHER->is_active;	4093	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3330	return if $Coro::current == $Coro::main;
3331		4094
3332	my $signal = new Coro::Signal;	4095	$WAIT_FOR_TICK->wait;
3333	push @WAIT_FOR_TICK, $signal;
3334	$signal->wait;
3335	}	4096	}
3336		4097
3337	sub wait_for_tick_begin {	4098	sub wait_for_tick_begin() {
3338	return unless $TICK_WATCHER->is_active;	4099	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3339	return if $Coro::current == $Coro::main;
3340		4100
3341	my $signal = new Coro::Signal;	4101	my $signal = new Coro::Signal;
3342	push @WAIT_FOR_TICK_BEGIN, $signal;	4102	push @WAIT_FOR_TICK_BEGIN, $signal;
3343	$signal->wait;	4103	$signal->wait;
3344	}	4104	}
3345		4105
3346	my $min = 1e6;#d#	4106	sub tick {
3347	my $avg = 10;
3348	$TICK_WATCHER = Event->timer (
3349	reentrant => 0,
3350	parked => 1,
3351	prio => 0,
3352	at => $NEXT_TICK || $TICK,
3353	data => WF_AUTOCANCEL,
3354	cb => sub {
3355	if ($Coro::current != $Coro::main) {	4107	if ($Coro::current != $Coro::main) {
3356	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4108	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3357	unless ++$bug_warning > 10;	4109	unless ++$bug_warning > 10;
3358	return;	4110	return;
3359	}	4111	}
3360		4112
3361	$NOW = $tick_start = Event::time;	4113	cf::one_tick; # one server iteration
3362		4114
3363	cf::server_tick; # one server iteration	4115	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3364		4116
3365	0 && sync_job {#d#	4117	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3366	for(1..10) {	4118	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3367	my $t = Event::time;	4119	Coro::async_pool {
3368	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4120	$Coro::current->{desc} = "runtime saver";
3369	or die;	4121	write_runtime_sync
3370		4122	or error "ERROR: unable to write runtime file: $!";
3371	$map->width (50);
3372	$map->height (50);
3373	$map->alloc;
3374	$map->_load_objects ("/tmp/x.map", 1);
3375	my $t = Event::time - $t;
3376
3377	#next unless $t < 0.0013;#d#
3378	if ($t < $min) {
3379	$min = $t;
3380	}
3381	$avg = $avg * 0.99 + $t * 0.01;
3382	}
3383	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3384	exit 0;
3385	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3386	};	4123	};
		4124	}
3387		4125
3388	$RUNTIME += $TICK;
3389	$NEXT_TICK += $TICK;
3390
3391	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3392	$NEXT_RUNTIME_WRITE = $NOW + 10;
3393	Coro::async_pool {
3394	write_runtime
3395	or warn "ERROR: unable to write runtime file: $!";
3396	};
3397	}
3398
3399	# my $AFTER = Event::time;
3400	# warn $AFTER - $NOW;#d#
3401
3402	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4126	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3403	$sig->send;	4127	$sig->send;
3404	}	4128	}
3405	while (my $sig = shift @WAIT_FOR_TICK) {	4129	$WAIT_FOR_TICK->broadcast;
3406	$sig->send;
3407	}
3408		4130
3409	$NOW = Event::time;	4131	$LOAD = ($NOW - $TICK_START) / $TICK;
3410
3411	# if we are delayed by four ticks or more, skip them all
3412	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3413
3414	$TICK_WATCHER->at ($NEXT_TICK);
3415	$TICK_WATCHER->start;
3416
3417	$LOAD = ($NOW - $tick_start) / $TICK;
3418	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4132	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3419		4133
3420	_post_tick;	4134	if (0) {
3421		4135	if ($NEXT_TICK) {
3422		4136	my $jitter = $TICK_START - $NEXT_TICK;
		4137	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4138	debug "jitter $JITTER\n";#d#
		4139	}
3423	},	4140	}
3424	);	4141	}
3425		4142
3426	{	4143	{
3427	BDB::max_poll_time $TICK * 0.1;	4144	# configure BDB
3428	$BDB_POLL_WATCHER = Event->io (	4145
3429	reentrant => 0,
3430	fd => BDB::poll_fileno,
3431	poll => 'r',
3432	prio => 0,
3433	data => WF_AUTOCANCEL,
3434	cb => \&BDB::poll_cb,
3435	);
3436	BDB::min_parallel 8;	4146	BDB::min_parallel 16;
3437		4147	BDB::max_poll_reqs $TICK * 0.1;
3438	BDB::set_sync_prepare {	4148	$AnyEvent::BDB::WATCHER->priority (1);
3439	my $status;
3440	my $current = $Coro::current;
3441	(
3442	sub {
3443	$status = $!;
3444	$current->ready; undef $current;
3445	},
3446	sub {
3447	Coro::schedule while defined $current;
3448	$! = $status;
3449	},
3450	)
3451	};
3452		4149
3453	unless ($DB_ENV) {	4150	unless ($DB_ENV) {
3454	$DB_ENV = BDB::db_env_create;	4151	$DB_ENV = BDB::db_env_create;
		4152	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4153	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4154	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4155	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4156	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3455		4157
3456	cf::sync_job {	4158	cf::sync_job {
3457	eval {	4159	eval {
3458	BDB::db_env_open	4160	BDB::db_env_open
3459	$DB_ENV,	4161	$DB_ENV,
…		…
3461	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4163	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3462	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4164	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3463	0666;	4165	0666;
3464		4166
3465	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4167	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3466
3467	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3468	$DB_ENV->set_lk_detect;
3469	};	4168	};
3470		4169
3471	cf::cleanup "db_env_open(db): $@" if $@;	4170	cf::cleanup "db_env_open(db): $@" if $@;
3472	};	4171	};
3473	}	4172	}
		4173
		4174	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4175	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4176	};
		4177	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4178	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4179	};
		4180	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4181	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4182	};
3474	}	4183	}
3475		4184
3476	{	4185	{
		4186	# configure IO::AIO
		4187
3477	IO::AIO::min_parallel 8;	4188	IO::AIO::min_parallel 8;
3478
3479	undef $Coro::AIO::WATCHER;
3480	IO::AIO::max_poll_time $TICK * 0.1;	4189	IO::AIO::max_poll_time $TICK * 0.1;
3481	$AIO_POLL_WATCHER = Event->io (	4190	undef $AnyEvent::AIO::WATCHER;
3482	reentrant => 0,
3483	data => WF_AUTOCANCEL,
3484	fd => IO::AIO::poll_fileno,
3485	poll => 'r',
3486	prio => 6,
3487	cb => \&IO::AIO::poll_cb,
3488	);
3489	}	4191	}
3490		4192
3491	my $_log_backtrace;	4193	our $_log_backtrace;
		4194	our $_log_backtrace_last;
3492		4195
3493	sub _log_backtrace {	4196	sub _log_backtrace {
3494	my ($msg, @addr) = @_;	4197	my ($msg, @addr) = @_;
3495		4198
3496	$msg =~ s/\n//;	4199	$msg =~ s/\n$//;
3497		4200
		4201	if ($_log_backtrace_last eq $msg) {
		4202	LOG llevInfo, "[ABT] $msg\n";
		4203	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3498	# limit the # of concurrent backtraces	4204	# limit the # of concurrent backtraces
3499	if ($_log_backtrace < 2) {	4205	} elsif ($_log_backtrace < 2) {
		4206	$_log_backtrace_last = $msg;
3500	++$_log_backtrace;	4207	++$_log_backtrace;
		4208	my $perl_bt = Carp::longmess $msg;
3501	async {	4209	async {
		4210	$Coro::current->{desc} = "abt $msg";
		4211
3502	my @bt = fork_call {	4212	my @bt = fork_call {
3503	@addr = map { sprintf "%x", $_ } @addr;	4213	@addr = map { sprintf "%x", $_ } @addr;
3504	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4214	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3505	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4215	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3506	or die "addr2line: $!";	4216	or die "addr2line: $!";
…		…
3514	}	4224	}
3515		4225
3516	@funcs	4226	@funcs
3517	};	4227	};
3518		4228
3519	LOG llevInfo, "[ABT] $msg\n";	4229	LOG llevInfo, "[ABT] $perl_bt\n";
		4230	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3520	LOG llevInfo, "[ABT] $_\n" for @bt;	4231	LOG llevInfo, "[ABT] $_\n" for @bt;
3521	--$_log_backtrace;	4232	--$_log_backtrace;
3522	};	4233	};
3523	} else {	4234	} else {
3524	LOG llevInfo, "[ABT] $msg\n";	4235	LOG llevInfo, "[ABT] $msg\n";
3525	LOG llevInfo, "[ABT] [suppressed]\n";	4236	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3526	}	4237	}
3527	}	4238	}
3528		4239
3529	# load additional modules	4240	# load additional modules
3530	use cf::pod;	4241	require "cf/$_.pm" for @EXTRA_MODULES;
		4242	cf::_connect_to_perl_2;
3531		4243
3532	END { cf::emergency_save }	4244	END { cf::emergency_save }
3533		4245
3534	1	4246	1
3535		4247

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