cdrs 2.2.0

Cassandra DB driver written in Rust
Documentation 
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use rand;

use crate::frame::*;

/// The structure which represents a body of a frame of type `options`.
#[derive(Debug, Default)]
pub struct BodyReqOptions;

impl IntoBytes for BodyReqOptions {
  fn into_cbytes(&self) -> Vec<u8> {
    vec![]
  }
}

// Frame implementation related to BodyReqStartup

impl Frame {
  /// Creates new frame of type `options`.
  pub fn new_req_options() -> Frame {
    let version = Version::Request;
    let flag = Flag::Ignore;
    let stream = rand::random::<u16>();
    let opcode = Opcode::Options;
    let body: BodyReqOptions = Default::default();

    Frame {
      version: version,
      flags: vec![flag],
      stream: stream,
      opcode: opcode,
      body: body.into_cbytes(),
      // for request frames it's always None
      tracing_id: None,
      warnings: vec![],
    }
  }
}

#[cfg(test)]
mod tests {
  use super::*;

  #[test]
  fn test_frame_options() {
    let frame = Frame::new_req_options();
    assert_eq!(frame.version, Version::Request);
    assert_eq!(frame.opcode, Opcode::Options);
    assert_eq!(frame.body, vec![]);
  }
}