/// <summary>
/// Query cluster member for recording log information.
/// </summary>
/// <returns> result of query. </returns>
public byte[] QueryForRecordingLog()
{
_lock.Lock();
try
{
long deadlineNs = _nanoClock.NanoTime() + _ctx.MessageTimeoutNs();
long correlationId = SendAdminQuery(AdminQueryType.RECORDING_LOG, deadlineNs);
EgressPoller poller = new EgressPoller(_subscription, FRAGMENT_LIMIT);
while (true)
{
PollNextResponse(deadlineNs, correlationId, poller);
if (poller.CorrelationId() == correlationId)
{
if (poller.TemplateId() == AdminResponseDecoder.TEMPLATE_ID)
{
return(poller.AdminResponseData());
}
else if (poller.EventCode() == EventCode.ERROR)
{
throw new InvalidOperationException(poller.Detail());
}
}
}
}
finally
{
_lock.Unlock();
}
}
private long OpenSession()
{
long deadlineNs = _nanoClock.NanoTime() + _ctx.MessageTimeoutNs();
long correlationId = SendConnectRequest(_ctx.CredentialsSupplier().EncodedCredentials(), deadlineNs);
EgressPoller poller = new EgressPoller(_subscription, CONNECT_FRAGMENT_LIMIT);
while (true)
{
PollNextResponse(deadlineNs, correlationId, poller);
if (poller.CorrelationId() == correlationId)
{
if (poller.IsChallenged())
{
byte[] encodedCredentials = _ctx.CredentialsSupplier().OnChallenge(poller.EncodedChallenge());
correlationId =
SendChallengeResponse(poller.ClusterSessionId(), encodedCredentials, deadlineNs);
continue;
}
switch (poller.EventCode())
{
case EventCode.OK:
_leaderMemberId = poller.LeaderMemberId();
return(poller.ClusterSessionId());
case EventCode.ERROR:
throw new AuthenticationException(poller.Detail());
case EventCode.AUTHENTICATION_REJECTED:
throw new AuthenticationException(poller.Detail());
}
}
}
}
/// <summary>
/// Query cluster member for endpoint information.
/// <para>
/// <code>
/// id=num,memberStatus=member-facing:port,log=log:port,archive=archive:port
/// </code>
///
/// </para>
/// </summary>
/// <returns> result of query. </returns>
public string QueryForEndpoints()
{
_lock.Lock();
try
{
long deadlineNs = _nanoClock.NanoTime() + _ctx.MessageTimeoutNs();
long correlationId = SendAdminQuery(AdminQueryType.ENDPOINTS, deadlineNs);
EgressPoller poller = new EgressPoller(_subscription, FRAGMENT_LIMIT);
while (true)
{
PollNextResponse(deadlineNs, correlationId, poller);
if (poller.CorrelationId() == correlationId)
{
if (poller.TemplateId() == AdminResponseDecoder.TEMPLATE_ID)
{
return(Encoding.ASCII.GetString(poller.AdminResponseData())); // TODO check default charset for Java
}
else if (poller.EventCode() == EventCode.ERROR)
{
throw new InvalidOperationException(poller.Detail());
}
}
}
}
finally
{
_lock.Unlock();
}
}
private void PollNextResponse(long deadlineNs, long correlationId, EgressPoller poller)
{
_idleStrategy.Reset();
while (poller.Poll() <= 0 && !poller.IsPollComplete())
{
if (_nanoClock.NanoTime() > deadlineNs)
{
throw new TimeoutException("awaiting response for correlationId=" + correlationId);
}
_idleStrategy.Idle();
}
}