/// <summary>
/// Returns description of HttpStatusCodesEnum (using reflection)
/// </summary>
/// <param name="code"></param>
/// <returns></returns>
private static string GetHttpResponseCodeDescription(HttpStatusCodesEnum code)
{
var type = code.GetType();
// fetch public members of enum
var memberInfo = type.GetMember(code.ToString());
if (memberInfo.Length <= 0) return code.ToString();
// fetch attributes from this public members
var attributes = memberInfo[0].GetCustomAttributes(typeof (DescriptionAttribute), false);
// get content of attribute
return attributes.Length > 0 ? ((DescriptionAttribute) attributes[0]).Description : code.ToString();
}
/// <summary>
/// Sends error response to client
/// </summary>
/// <param name="client"></param>
/// <param name="code"></param>
private static void SendError(TcpClient client, HttpStatusCodesEnum code)
{
var intCode = (int) code;
var responseCode = $"{intCode} {GetHttpResponseCodeDescription(code)}\n";
var html = $"<html><body><h1>{responseCode}</h1></body></html>";
var clientResponse = Encoding.UTF8.GetBytes($"HTTP/1.1 {responseCode}Content-Type: text/html\nContent-Length:{html.Length}\n\n{html}");
client.GetStream().Write(clientResponse, 0, clientResponse.Length);
client.Close();
}
