//-----------------------------------------------------------------------------
CCSDS::PACKET::Packet::Packet()
//-----------------------------------------------------------------------------
{
resize(PRIMARY_HEADER_BYTE_SIZE);
setPacketLength();
versionNumber(CCSDS::PACKET::VERSION_NUMBER);
segmentationFlags(CCSDS::PACKET::SEGMENTATION_NONE);
dataFieldHeaderFlag(0);
}
//-----------------------------------------------------------------------------
CCSDS::PACKET::Packet::Packet(size_t p_bufferSize):
UTIL::DU::DU(p_bufferSize)
//-----------------------------------------------------------------------------
{
if(p_bufferSize < PRIMARY_HEADER_BYTE_SIZE)
{
resize(PRIMARY_HEADER_BYTE_SIZE);
}
setPacketLength();
versionNumber(CCSDS::PACKET::VERSION_NUMBER);
segmentationFlags(CCSDS::PACKET::SEGMENTATION_NONE);
dataFieldHeaderFlag(0);
}
VALUE_ret makePacketV1Hdr (PHDWORD* packet_ptr, UINT maxPacketLength)
{
if (maxPacketLength < packetV1HdrLength)
return valueFailure;
dwordClear(packet_ptr, packetV1HdrLength);
setPacketLength(packet_ptr, packetV1HdrLength);
setPacketHdrVersion (packet_ptr, packetV1HdrVersion);
setPacketHdrLength (packet_ptr, packetV1HdrLength);
unsigned long n = 1;
char * cp = (char*)&n;
if (*cp==1) setPacketEndianism(packet_ptr, 1);
else setPacketEndianism(packet_ptr, 2);
return packetV1HdrLength;
}
void Header::prependSerializedHeader(vpr::BufferObjectWriter* packetWriter)
{
// Set Packet length
setPacketLength( packetWriter->getData()->size() + RIM_PACKET_HEAD_SIZE );
std::vector<vpr::Uint8> header_data;
vpr::BufferObjectWriter writer( &header_data );
// Serialize all header data.
writer.writeUint16( mRIMCode );
writer.writeUint16( mPacketType );
writer.writeUint32( mFrame );
writer.writeUint32( mPacketLength );
// Prepend header onto packets data
packetWriter->getData()->insert( packetWriter->getData()->begin(),
header_data.begin(),
header_data.end() );
packetWriter->setCurPos( getPacketLength() );
}
