/// <summary>
/// 创建
/// </summary>
/// <param name="ethernetFrameType">ethernetFrameType</param>
/// <param name="bytes">数据</param>
/// <returns></returns>
public static Octets Create(EthernetFrameType ethernetFrameType, Memory <Byte> bytes)
{
if (EthernetFrameTypeMap.ContainsKey(ethernetFrameType))
{
return(EthernetFrameTypeMap[ethernetFrameType](bytes));
}
return(Default(bytes));
}
public void Get(EthernetFrameType input, Type excepted)
{
var ethernetFrame = new EthernetFrame
{
Bytes = new Byte[64]
};
ethernetFrame.Type = input;
ethernetFrame.Payload.GetType().Should().Be(excepted);
}
public void Get(EthernetFrameType input, Type excepted)
{
var vlanFrame = new VLANFrame
{
Bytes = new Byte[32]
};
vlanFrame.Type = input;
vlanFrame.Payload.GetType().Should().Be(excepted);
}
public void Get(Byte[] input, EthernetFrameType expected)
{
var ethernetFrame = new EthernetFrame
{
Bytes = new Byte[14]
};
ethernetFrame.SetBytes(12, 2, input);
ethernetFrame.Type.Should().Be(expected);
}
public void Get(Byte[] input, EthernetFrameType expected)
{
var vlanFrame = new VLANFrame
{
Bytes = new Byte[4]
};
vlanFrame.SetBytes(2, 2, input);
vlanFrame.Type.Should().Be(expected);
}
public void Set(Byte[] expected, EthernetFrameType input)
{
var ethernetFrame = new EthernetFrame
{
Bytes = new Byte[14]
};
ethernetFrame.Type = input;
ethernetFrame.GetBytes(12, 2).ToArray().Should().Equal(expected);
ethernetFrame.Type.Should().Be(input);
}
public void Set(Byte[] expected, EthernetFrameType input)
{
var vlanFrame = new VLANFrame
{
Bytes = new Byte[4]
};
vlanFrame.Type = input;
vlanFrame.GetBytes(2, 2).ToArray().Should().Equal(expected);
vlanFrame.Type.Should().Be(input);
}
public void Set(Byte[] expected, EthernetFrameType input)
{
var arpFrame = new ARPFrame
{
Bytes = new Byte[28]
};
arpFrame.ProtocolType = input;
arpFrame.GetBytes(2, 2).ToArray().Should().Equal(expected);
arpFrame.ProtocolType.Should().Be(input);
}
public void Get(Byte[] input, EthernetFrameType expected)
{
var arpFrame = new ARPFrame
{
Bytes = new Byte[28]
};
arpFrame.SetBytes(2, 2, input);
arpFrame.ProtocolType.Should().Be(expected);
}
/// <summary>
/// 构建负载部分
/// </summary>
/// <param name="ethernetFrameType"></param>
/// <param name="payloadBytes"></param>
/// <returns></returns>
public static Octets BuildPayload(EthernetFrameType ethernetFrameType, Memory <Byte> payloadBytes)
{
switch (ethernetFrameType)
{
case EthernetFrameType.IPv4:
return(new IPv4Packet
{
Bytes = payloadBytes
});
case EthernetFrameType.IPv6:
return(new IPv6Packet
{
Bytes = payloadBytes
});
case EthernetFrameType.ARP:
return(new ARPFrame
{
Bytes = payloadBytes
});
case EthernetFrameType.VLAN:
return(new VLANFrame
{
Bytes = payloadBytes
});
case EthernetFrameType.PPPoEDiscoveryStage:
case EthernetFrameType.PPPoESessionStage:
return(new PPPoEFrame
{
Bytes = payloadBytes
});
default:
return(new Octets
{
Bytes = payloadBytes
});
}
}
