public bool CanReach(RemoteSession session, string remoteUri, TimeSpan timeout)
{
CouchbaseLiteHttpClientFactory.SetupSslCallback();
var uri = new Uri(remoteUri);
try {
using (var c = new TcpClient(uri.Host, uri.Port)) {
return(true);
}
} catch (Exception e) {
Log.To.Sync.I(TAG, "Didn't get successful connection to {0}", remoteUri);
Log.To.Sync.V(TAG, " Cause: ", e);
LastError = e;
return(false);
}
}
public bool CanReach(string remoteUri, TimeSpan timeout)
{
CouchbaseLiteHttpClientFactory.SetupSslCallback();
HttpWebRequest request;
var uri = new Uri(remoteUri);
var credentials = uri.UserInfo;
if (!String.IsNullOrEmpty(credentials))
{
remoteUri = string.Format("{0}://{1}{2}", uri.Scheme, uri.Authority, uri.PathAndQuery);
request = WebRequest.CreateHttp(remoteUri);
request.Headers.Add("Authorization", "Basic " + Convert.ToBase64String(Encoding.UTF8.GetBytes(credentials)));
request.PreAuthenticate = true;
}
else
{
request = WebRequest.CreateHttp(remoteUri);
}
request.AllowWriteStreamBuffering = true;
request.Timeout = (int)timeout.TotalMilliseconds;
request.Method = "HEAD";
try {
using (var response = (HttpWebResponse)request.GetResponse()) {
return(true); //We only care that the server responded
}
} catch (Exception e) {
var we = e as WebException;
if (we != null && we.Status == WebExceptionStatus.ProtocolError)
{
return(true); //Getting an HTTP error technically means we can connect
}
Log.To.Sync.I(TAG, "Didn't get successful connection to {0}", remoteUri);
Log.To.Sync.V(TAG, " Cause: ", e);
LastError = e;
return(false);
}
}
