public bool Enqueue(RedisAsyncRequest request)
{
if (request != null)
{
ValidateNotDisposed();
EnqueueInternal(request);
return(true);
}
return(false);
}
public RedisAsyncRequest <T> Enqueue <T>(RedisCommand command, RedisCommandExpect expect, string okIf)
{
if (command != null)
{
ValidateNotDisposed();
var member = new RedisAsyncRequest <T>(command, expect, okIf,
new TaskCompletionSource <T>(command));
EnqueueInternal(member);
return(member);
}
return(null);
}
private void CancelRequest(RedisAsyncRequest member)
{
if (member != null)
{
try
{
member.Cancel();
}
finally
{
member.Dispose();
}
}
}
private void EnqueueInternal(RedisAsyncRequest request)
{
lock (m_AsyncMessageQLock)
{
var prevTail = Interlocked.Exchange(ref m_QTail, request);
if (prevTail != null)
{
var store = m_AsyncRequestQ;
if (store != null)
{
store.AddLast(prevTail);
}
}
m_Count++;
}
}
protected override void DoProcessRequest(RedisAsyncRequest request, RedisSocketContext context)
{
var cancelRequest = true;
try
{
if (Disposed)
{
return;
}
if (request.Send(context))
{
if (Disposed)
{
return;
}
Interlocked.Exchange(ref m_CurrentContext, context);
var receiveQ = m_ReceiveQ;
if (receiveQ != null)
{
receiveQ.Enqueue(request);
cancelRequest = false;
m_ReceiveGate.Set();
}
}
}
catch (Exception)
{ }
finally
{
if (cancelRequest)
{
request.Cancel();
}
}
}
protected virtual void DoProcessRequest(RedisAsyncRequest request, RedisSocketContext context)
{
request.Process(context);
}
public bool TryDequeueOneOf(int dbIndex1, int dbIndex2, out RedisAsyncRequest result)
{
result = null;
var member = (RedisAsyncRequest)null;
lock (m_AsyncMessageQLock)
{
if (m_Count == 0)
{
return(false);
}
member = m_QTail;
m_QTail = null;
}
if (member != null)
{
try
{
var command = member.Command;
if ((dbIndex1 < 0 || command.DbIndex == dbIndex1) ||
(dbIndex2 < 0 || command.DbIndex == dbIndex2))
{
m_Count--;
result = member;
return(true);
}
}
catch (Exception)
{ }
}
if (m_AsyncRequestQ != null)
{
lock (m_AsyncMessageQLock)
{
var store = m_AsyncRequestQ;
if (store != null)
{
var node = store.First;
while (node != null)
{
try
{
member = node.Value;
if (member != null)
{
try
{
var command = member.Command;
if ((dbIndex1 < 0 || command.DbIndex == dbIndex1) ||
(dbIndex2 < 0 || command.DbIndex == dbIndex2))
{
store.Remove(node);
m_Count--;
result = member;
return(true);
}
}
catch (Exception)
{ }
}
}
catch (Exception)
{ }
node = node.Next;
}
}
}
}
return(false);
}
