public static Tuple<long, long, long> ExtractContentRange(HttpResponse response)
{
// example Content-Range: bytes 595883-1191764/1191765
if (response.Headers.ContainsKey("Content-Range"))
{
var line = String.Format("{0}:{1}", "Content-Range", response.Headers["Content-Range"]);
var result = ExtractContentRange(line);
return result;
}
return null;
}
public static HttpResponse Parse(byte[] headerBytes)
{
if (headerBytes == null)
{
return null;
}
if (headerBytes.Length == 0)
{
return null;
}
string headerStr = Encoding.Default.GetString(headerBytes);
string[] headersArray = headerStr.Split(new string[]{"\r\n"},StringSplitOptions.None);
List<string> headers=new List<string>();
foreach (string header in headersArray)
{
if (!string.IsNullOrEmpty(header))
{
headers.Add(header);
}
}
Dictionary<string,string> headersDic=new Dictionary<string, string>();
for (int i = 1; i < headers.Count; i++)
{
string[] h = headers[i].Split(new string[] {":"}, StringSplitOptions.None);
string key = h[0].Trim();
string value = h[1].Trim();
try
{
// in case of duplicate key for example
headersDic.Add(key, value);
}
catch (ArgumentException ex)
{
}
}
string[] status = headers[0].Split(new string[] {" "}, StringSplitOptions.None);
string httpVersion = status[0];
string statusCode = status[1];
string statusMessage = status[2];
HttpResponse httpResponse=new HttpResponse();
httpResponse.HttpVersion = httpVersion;
httpResponse.Headers = headersDic;
httpResponse.StatusCode = statusCode;
httpResponse.StatusMessage = statusMessage;
return httpResponse;
}