private void DoHandshake(Uri uri, string resource, HandshakeFinishedHandler handler)
{
var query = uri.Query +
(string.IsNullOrEmpty(uri.Query) ? "?" : "&") + "t=" +
Math.Round((DateTimeOffset.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc)).TotalMilliseconds, 0);
var handshakeUrl = string.Format("{0}://{1}:{2}/{4}/1/{3}", uri.Scheme, uri.Host, uri.Port, query, resource);
var request = m_connectionFactory.CreateHttpRequest(handshakeUrl);
request.HttpGetResponse += (a) => FinishHandshake(a, handler);
request.Execute();
}
private void FinishHandshake(string responseText, HandshakeFinishedHandler handler)
{
try
{
var resultParts = responseText.Split(new[] { ':' });
Id = resultParts[0];
HeartbeatTimeout = Int32.Parse(resultParts[1]) * 1000;
}
catch (WebException we)
{
if (we.Status == WebExceptionStatus.ProtocolError)
{
var resp = we.Response as HttpWebResponse;
if (resp != null && resp.StatusCode == HttpStatusCode.Forbidden)
{
handler(HandshakeResult.Forbidden); return;
}
}
handler(HandshakeResult.Error); return;
}
catch (Exception)
{
EmitLocally("error", responseText);
handler(HandshakeResult.Error); return;
}
handler(HandshakeResult.Success);
}
