cdrs 2.2.0

Cassandra DB driver written in Rust
Documentation 
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use rand;

use crate::frame::events::SimpleServerEvent;
use crate::frame::*;
use crate::types::{CString, CStringList};

/// The structure which represents a body of a frame of type `options`.
pub struct BodyReqRegister {
  pub events: Vec<SimpleServerEvent>,
}

impl IntoBytes for BodyReqRegister {
  fn into_cbytes(&self) -> Vec<u8> {
    let events_string_list = CStringList {
      list: self
        .events
        .iter()
        .map(|event| CString::new(event.as_string()))
        .collect(),
    };
    events_string_list.into_cbytes()
  }
}

// Frame implementation related to BodyReqRegister

impl Frame {
  /// Creates new frame of type `REGISTER`.
  pub fn new_req_register(events: Vec<SimpleServerEvent>) -> Frame {
    let version = Version::Request;
    let flag = Flag::Ignore;
    let stream = rand::random::<u16>();
    let opcode = Opcode::Register;
    let register_body = BodyReqRegister { events: events };

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