virtual public void Connect(Session owner, bool moveNext, out int streamId)
{
if (_hostsIter == null)
{
_hostsIter = owner.Policies.LoadBalancingPolicy.NewQueryPlan(Statement).GetEnumerator();
if (!_hostsIter.MoveNext())
{
var ex = new NoHostAvailableException(new Dictionary <IPAddress, List <Exception> >());
_logger.Error(ex);
throw ex;
}
}
else
{
if (moveNext)
{
if (!_hostsIter.MoveNext())
{
var ex = new NoHostAvailableException(InnerExceptions);
_logger.Error(ex);
throw ex;
}
}
}
Connection = owner.Connect(_hostsIter, TriedHosts, InnerExceptions, out streamId);
}
public void NoHostAvailableException_Message_Includes_First_Host()
{
var ex = new NoHostAvailableException(new Dictionary <IPEndPoint, Exception>
{
{ new IPEndPoint(IPAddress.Parse("10.10.0.1"), 9042), new AuthenticationException("Bad credentials") }
});
Assert.AreEqual(
"All hosts tried for query failed (tried 10.10.0.1:9042: AuthenticationException 'Bad credentials')",
ex.Message);
}
public void SetNoMoreHosts(NoHostAvailableException ex, IRequestExecution execution)
{
//An execution ended with a NoHostAvailableException (retrying or starting).
//If there is a running execution, do not yield it to the user
_running.Remove(execution);
if (_running.Count > 0)
{
RequestHandler.Logger.Info("Could not obtain an available host for speculative execution");
return;
}
SetCompleted(ex);
}
public void NoHostAvailableException_Message_Can_Contain_Host_Without_Info()
{
var ex = new NoHostAvailableException(new Dictionary <IPEndPoint, Exception>
{
{ new IPEndPoint(IPAddress.Parse("10.10.0.1"), 9042), null },
{ new IPEndPoint(IPAddress.Parse("10.10.0.2"), 9042), new AuthenticationException("No credentials") }
});
Assert.AreEqual(
"All hosts tried for query failed (tried 10.10.0.1:9042; 10.10.0.2:9042: AuthenticationException " +
"'No credentials')",
ex.Message);
}
public void NoHostAvailableException_Message_Includes_Message_To_See_Errors_Property()
{
var ex = new NoHostAvailableException(new Dictionary <IPEndPoint, Exception>
{
{ new IPEndPoint(IPAddress.Parse("10.10.0.1"), 9042), new AuthenticationException("Bad credentials") },
{ new IPEndPoint(IPAddress.Parse("10.10.0.2"), 9042), new AuthenticationException("No credentials") },
{ new IPEndPoint(IPAddress.Parse("10.10.0.3"), 9042), new AuthenticationException("No credentials") }
});
Assert.AreEqual(
"All hosts tried for query failed (tried 10.10.0.1:9042: AuthenticationException 'Bad credentials';" +
" 10.10.0.2:9042: AuthenticationException 'No credentials'; ...), see Errors property for more info",
ex.Message);
}
private void AssertIsSslError(NoHostAvailableException ex)
{
#if NET452
if (TestHelper.IsMono)
{
var ex2 = ex.InnerException;
Assert.IsTrue(ex2 is WebException, ex2.ToString());
Assert.IsTrue(ex2.Message.Contains("Authentication failed"), ex2.Message);
Assert.IsTrue(ex2.Message.Contains("SecureChannelFailure"), ex2.Message);
}
else
{
var ex2 = ex.InnerException;
Assert.IsTrue(ex2 is WebException, ex2.ToString());
Assert.IsTrue(ex2.Message.Contains("Could not create SSL/TLS secure channel."), ex2.Message);
}
#else
var ex2 = ex.InnerException;
Assert.IsTrue(ex2 is HttpRequestException, ex2.ToString());
// SocketsHttpHandler
Assert.IsTrue(ex2.Message.Contains("The SSL connection could not be established"), ex2.Message);
#endif
}
private void AssertCaMismatchSslError(NoHostAvailableException ex)
{
#if NETCOREAPP2_1
var ex2 = ex.InnerException;
Assert.IsTrue(ex2 is HttpRequestException, ex2.ToString());
var ex3 = ex2.InnerException;
Assert.IsTrue(ex2 is HttpRequestException, ex2.ToString());
Assert.IsTrue(ex2.Message.Contains("The SSL connection could not be established"), ex2.Message);
#elif NET452
if (TestHelper.IsMono)
{
var ex2 = ex.InnerException;
Assert.IsTrue(ex2 is WebException, ex2.ToString());
Assert.IsTrue(ex2.Message.Contains("Authentication failed"), ex2.Message);
Assert.IsTrue(ex2.Message.Contains("TrustFailure"), ex2.Message);
}
else
{
var ex2 = ex.InnerException;
Assert.IsTrue(ex2 is WebException, ex2.ToString());
Assert.IsTrue(ex2.Message.Contains("Could not establish trust relationship for the SSL/TLS secure channel"), ex2.Message);
}
#endif
}
public void NoHostAvailableException_Message_Includes_No_Host_Tried()
{
var ex = new NoHostAvailableException(new Dictionary <IPEndPoint, Exception>());
Assert.AreEqual("No host is available to be queried (no host tried)", ex.Message);
}
