public RpxHeader(string rpxFilePath)
{
identity = new byte[ELF_SIGNATURE_LENGTH];
using (FileStream fs = new FileStream(rpxFilePath, FileMode.Open, FileAccess.Read))
{
using (BinaryReader br = new BinaryReader(fs, new ASCIIEncoding()))
{
// Read in the header
identity = br.ReadBytes(ELF_SIGNATURE_LENGTH);
type = EndianUtility.ReadUInt16BE(br);
machine = EndianUtility.ReadUInt16BE(br);
version = EndianUtility.ReadUInt32BE(br);
entryPoint = EndianUtility.ReadUInt32BE(br);
phOffset = EndianUtility.ReadUInt32BE(br);
shOffset = EndianUtility.ReadUInt32BE(br);
flags = EndianUtility.ReadUInt32BE(br);
ehSize = EndianUtility.ReadUInt16BE(br);
phEntSize = EndianUtility.ReadUInt16BE(br);
phNum = EndianUtility.ReadUInt16BE(br);
shEntSize = EndianUtility.ReadUInt16BE(br);
shNum = EndianUtility.ReadUInt16BE(br);
shStrIndex = EndianUtility.ReadUInt16BE(br);
}
}
sHeaderDataElfOffset = (ulong)(shOffset + (shNum * shEntSize));
}
/// <summary>
/// Initializes a new instance of the <see cref="RpxHeader"/> class.
/// </summary>
/// <param name="rpxFilePath">path to RPX file.</param>
public RpxHeader(string rpxFilePath)
{
this.identity = new byte[ElfSignatureLength];
using (FileStream fs = new FileStream(rpxFilePath, FileMode.Open, FileAccess.Read))
{
using BinaryReader br = new BinaryReader(fs, new ASCIIEncoding());
// Read in the header
this.identity = br.ReadBytes(ElfSignatureLength);
this.type = EndianUtility.ReadUInt16BE(br);
this.machine = EndianUtility.ReadUInt16BE(br);
this.version = EndianUtility.ReadUInt32BE(br);
this.entryPoint = EndianUtility.ReadUInt32BE(br);
this.phOffset = EndianUtility.ReadUInt32BE(br);
this.shOffset = EndianUtility.ReadUInt32BE(br);
this.flags = EndianUtility.ReadUInt32BE(br);
this.ehSize = EndianUtility.ReadUInt16BE(br);
this.phEntSize = EndianUtility.ReadUInt16BE(br);
this.phNum = EndianUtility.ReadUInt16BE(br);
this.shEntSize = EndianUtility.ReadUInt16BE(br);
this.shNum = EndianUtility.ReadUInt16BE(br);
this.shStrIndex = EndianUtility.ReadUInt16BE(br);
}
this.sHeaderDataElfOffset = (ulong)(this.shOffset + (this.shNum * this.shEntSize));
}
public void ReadUInt16BE_WithValidUint16_ReadsData()
{
using MemoryStream ms = new MemoryStream(new byte[] { 0x10, 0x0 });
using BinaryReader br = new BinaryReader(ms, new ASCIIEncoding());
var result = EndianUtility.ReadUInt16BE(br);
Assert.Equal(4096u, result);
}
public void WriteUInt16BE_WithUInt16_WritesData()
{
using MemoryStream ms = new MemoryStream(new byte[2]);
using BinaryWriter bw = new BinaryWriter(ms);
EndianUtility.WriteUInt16BE(bw, 1234);
ms.Seek(0, SeekOrigin.Begin);
using BinaryReader br = new BinaryReader(ms, new ASCIIEncoding());
Assert.Equal(1234, EndianUtility.ReadUInt16BE(br));
}
public void ReadUInt16BE_WithInvalidUint16_ThrowsException()
{
using MemoryStream ms = new MemoryStream(new byte[] { 0x10 });
using BinaryReader br = new BinaryReader(ms, new ASCIIEncoding());
Assert.Throws <System.IO.EndOfStreamException>(() => EndianUtility.ReadUInt16BE(br));
}
