The entries are used to synchronize the state of services instances and the Publish/-Subscribe handling.
This page hosts a formal specification of AUTOSAR SOME/IP Service Discovery Entries using Kaitai Struct. This specification can be automatically translated into a variety of programming languages to get a parsing library.
# This is a generated file! Please edit source .ksy file and use kaitai-struct-compiler to rebuild
use strict;
use warnings;
use IO::KaitaiStruct 0.009_000;
########################################################################
package SomeIpSdEntries;
our @ISA = 'IO::KaitaiStruct::Struct';
sub from_file {
my ($class, $filename) = @_;
my $fd;
open($fd, '<', $filename) or return undef;
binmode($fd);
return new($class, IO::KaitaiStruct::Stream->new($fd));
}
sub new {
my ($class, $_io, $_parent, $_root) = @_;
my $self = IO::KaitaiStruct::Struct->new($_io);
bless $self, $class;
$self->{_parent} = $_parent;
$self->{_root} = $_root || $self;;
$self->_read();
return $self;
}
sub _read {
my ($self) = @_;
$self->{entries} = ();
while (!$self->{_io}->is_eof()) {
push @{$self->{entries}}, SomeIpSdEntries::SdEntry->new($self->{_io}, $self, $self->{_root});
}
}
sub entries {
my ($self) = @_;
return $self->{entries};
}
########################################################################
package SomeIpSdEntries::SdEntry;
our @ISA = 'IO::KaitaiStruct::Struct';
sub from_file {
my ($class, $filename) = @_;
my $fd;
open($fd, '<', $filename) or return undef;
binmode($fd);
return new($class, IO::KaitaiStruct::Stream->new($fd));
}
our $ENTRY_TYPES_FIND = 0;
our $ENTRY_TYPES_OFFER = 1;
our $ENTRY_TYPES_SUBSCRIBE = 6;
our $ENTRY_TYPES_SUBSCRIBE_ACK = 7;
sub new {
my ($class, $_io, $_parent, $_root) = @_;
my $self = IO::KaitaiStruct::Struct->new($_io);
bless $self, $class;
$self->{_parent} = $_parent;
$self->{_root} = $_root || $self;;
$self->_read();
return $self;
}
sub _read {
my ($self) = @_;
$self->{header} = SomeIpSdEntries::SdEntry::SdEntryHeader->new($self->{_io}, $self, $self->{_root});
my $_on = $self->header()->type();
if ($_on == $SomeIpSdEntries::SdEntry::ENTRY_TYPES_FIND) {
$self->{content} = SomeIpSdEntries::SdEntry::SdServiceEntry->new($self->{_io}, $self, $self->{_root});
}
elsif ($_on == $SomeIpSdEntries::SdEntry::ENTRY_TYPES_OFFER) {
$self->{content} = SomeIpSdEntries::SdEntry::SdServiceEntry->new($self->{_io}, $self, $self->{_root});
}
elsif ($_on == $SomeIpSdEntries::SdEntry::ENTRY_TYPES_SUBSCRIBE) {
$self->{content} = SomeIpSdEntries::SdEntry::SdEventgroupEntry->new($self->{_io}, $self, $self->{_root});
}
elsif ($_on == $SomeIpSdEntries::SdEntry::ENTRY_TYPES_SUBSCRIBE_ACK) {
$self->{content} = SomeIpSdEntries::SdEntry::SdEventgroupEntry->new($self->{_io}, $self, $self->{_root});
}
}
sub header {
my ($self) = @_;
return $self->{header};
}
sub content {
my ($self) = @_;
return $self->{content};
}
########################################################################
package SomeIpSdEntries::SdEntry::SdEntryHeader;
our @ISA = 'IO::KaitaiStruct::Struct';
sub from_file {
my ($class, $filename) = @_;
my $fd;
open($fd, '<', $filename) or return undef;
binmode($fd);
return new($class, IO::KaitaiStruct::Stream->new($fd));
}
sub new {
my ($class, $_io, $_parent, $_root) = @_;
my $self = IO::KaitaiStruct::Struct->new($_io);
bless $self, $class;
$self->{_parent} = $_parent;
$self->{_root} = $_root || $self;;
$self->_read();
return $self;
}
sub _read {
my ($self) = @_;
$self->{type} = $self->{_io}->read_u1();
$self->{index_first_options} = $self->{_io}->read_u1();
$self->{index_second_options} = $self->{_io}->read_u1();
$self->{number_first_options} = $self->{_io}->read_bits_int_be(4);
$self->{number_second_options} = $self->{_io}->read_bits_int_be(4);
$self->{_io}->align_to_byte();
$self->{service_id} = $self->{_io}->read_u2be();
$self->{instance_id} = $self->{_io}->read_u2be();
$self->{major_version} = $self->{_io}->read_u1();
$self->{ttl} = $self->{_io}->read_bits_int_be(24);
}
sub type {
my ($self) = @_;
return $self->{type};
}
sub index_first_options {
my ($self) = @_;
return $self->{index_first_options};
}
sub index_second_options {
my ($self) = @_;
return $self->{index_second_options};
}
sub number_first_options {
my ($self) = @_;
return $self->{number_first_options};
}
sub number_second_options {
my ($self) = @_;
return $self->{number_second_options};
}
sub service_id {
my ($self) = @_;
return $self->{service_id};
}
sub instance_id {
my ($self) = @_;
return $self->{instance_id};
}
sub major_version {
my ($self) = @_;
return $self->{major_version};
}
sub ttl {
my ($self) = @_;
return $self->{ttl};
}
########################################################################
package SomeIpSdEntries::SdEntry::SdServiceEntry;
our @ISA = 'IO::KaitaiStruct::Struct';
sub from_file {
my ($class, $filename) = @_;
my $fd;
open($fd, '<', $filename) or return undef;
binmode($fd);
return new($class, IO::KaitaiStruct::Stream->new($fd));
}
sub new {
my ($class, $_io, $_parent, $_root) = @_;
my $self = IO::KaitaiStruct::Struct->new($_io);
bless $self, $class;
$self->{_parent} = $_parent;
$self->{_root} = $_root || $self;;
$self->_read();
return $self;
}
sub _read {
my ($self) = @_;
$self->{minor_version} = $self->{_io}->read_u4be();
}
sub minor_version {
my ($self) = @_;
return $self->{minor_version};
}
########################################################################
package SomeIpSdEntries::SdEntry::SdEventgroupEntry;
our @ISA = 'IO::KaitaiStruct::Struct';
sub from_file {
my ($class, $filename) = @_;
my $fd;
open($fd, '<', $filename) or return undef;
binmode($fd);
return new($class, IO::KaitaiStruct::Stream->new($fd));
}
sub new {
my ($class, $_io, $_parent, $_root) = @_;
my $self = IO::KaitaiStruct::Struct->new($_io);
bless $self, $class;
$self->{_parent} = $_parent;
$self->{_root} = $_root || $self;;
$self->_read();
return $self;
}
sub _read {
my ($self) = @_;
$self->{reserved} = $self->{_io}->read_u1();
$self->{initial_data_requested} = $self->{_io}->read_bits_int_be(1);
$self->{reserved2} = $self->{_io}->read_bits_int_be(3);
$self->{counter} = $self->{_io}->read_bits_int_be(4);
$self->{_io}->align_to_byte();
$self->{event_group_id} = $self->{_io}->read_u2be();
}
sub reserved {
my ($self) = @_;
return $self->{reserved};
}
sub initial_data_requested {
my ($self) = @_;
return $self->{initial_data_requested};
}
sub reserved2 {
my ($self) = @_;
return $self->{reserved2};
}
sub counter {
my ($self) = @_;
return $self->{counter};
}
sub event_group_id {
my ($self) = @_;
return $self->{event_group_id};
}
1;