void client_AnswerReceived(HttpResponse item)
{
Service s = Service.BuildService(item);
if (s != null && ServiceFound != null)
ServiceFound(s);
}
private void ReplyError(IPEndPoint ep, Exception e, HttpStatusCode code)
{
HttpResponse response = new HttpResponse();
StreamWriter sw = new StreamWriter(response.Body);
sw.Write(e.ToString());
response.ResponseCode = HttpStatusCode.NotImplemented;
response.ResponseMessage = e.Message;
Reply(ep, response);
}
private static HttpResponse Parse(string responseString)
{
HttpResponse response = new HttpResponse();
StringReader reader = new StringReader(responseString);
string line = reader.ReadLine();
string[] firstLine = line.Split(' ');
//VERSION RESPONSECODE RESPONSEMESSAGE
response.HttpVersion = HttpVersion.HTTP11;
response.ResponseCode = (HttpStatusCode)int.Parse(firstLine[1]);
response.ResponseMessage = string.Join(" ", firstLine, 2, firstLine.Length - 2);
response.ReadHeaders(reader);
StreamWriter sw = new StreamWriter(response.Body);
sw.Write(reader.ReadToEnd());
response.Body.Seek(0, SeekOrigin.Begin);
return response;
}
public RequestEventArgs()
{
Response = new HttpResponse();
}
private void Reply(IPEndPoint ep, HttpResponse response)
{
byte[] responseBytes = response.GetBytes();
client.Send(responseBytes, responseBytes.Length, ep);
}
internal static Service BuildService(HttpResponse item)
{
Service s = new Service();
if (item.Headers.ContainsKey("ST"))
s.Protocol = item.Headers["ST"];
if (item.Headers.ContainsKey("NT"))
s.Protocol = item.Headers["NT"];
s.properties = item.Headers;
if (item.Headers.ContainsKey("LOCATION"))
{
s.Location = new Uri(item.Headers["LOCATION"]);
s.properties.Remove("LOCATION");
}
s.properties.Remove("ST");
s.Addresses.Add(new Network.Dns.EndPoint() { });
if (s.Location != null)
s.Addresses[0].Addresses.Add(IPAddress.Parse(s.Location.Host));
if (item.Headers.ContainsKey("CACHE-CONTROL"))
{
string cacheControl = item.Headers["CACHE-CONTROL"];
int startOfMaxAge = cacheControl.IndexOf("max-age=", StringComparison.InvariantCultureIgnoreCase);
int endOfMaxAge = cacheControl.IndexOf(";", startOfMaxAge);
if (endOfMaxAge == -1)
endOfMaxAge = cacheControl.Length;
string ttl = cacheControl.Substring(startOfMaxAge + 8, endOfMaxAge - (startOfMaxAge + 8));
s.expiration = DateTime.Now.AddSeconds(int.Parse(ttl));
}
return s;
}
