/// <summary>
/// Send a request to Kafka asynchronously.
/// </summary>
/// <remarks>
/// If the callback is not specified then the method behaves as a fire-and-forget call
/// with the callback being ignored. By the time this callback is executed, the
/// <see cref="RequestContext.NetworkStream"/> will already have been closed given an
/// internal call <see cref="NetworkStream.EndWrite"/>.
/// </remarks>
/// <param name="request">The request to send to Kafka.</param>
/// <param name="callback">
/// A block of code to execute once the request has been sent to Kafka. This value may
/// be set to null.
/// </param>
public void SendAsync(ProducerRequest request, MessageSent <ProducerRequest> callback)
{
if (request.IsValid())
{
KafkaConnection connection = new KafkaConnection(Server, Port);
if (callback == null)
{
// fire and forget
connection.BeginWrite(request.GetBytes());
}
else
{
// execute with callback
connection.BeginWrite(request, callback);
}
}
}
/// <summary>
/// Writes a producer request to the server asynchronously.
/// </summary>
/// <param name="request">The request to make.</param>
/// <param name="callback">The code to execute once the message is completely sent.</param>
public void BeginWrite(ProducerRequest request, MessageSent <ProducerRequest> callback)
{
NetworkStream stream = _client.GetStream();
RequestContext <ProducerRequest> ctx = new RequestContext <ProducerRequest>(stream, request);
byte[] data = request.GetBytes();
stream.BeginWrite(
data,
0,
data.Length,
delegate(IAsyncResult asyncResult)
{
RequestContext <ProducerRequest> context = (RequestContext <ProducerRequest>)asyncResult.AsyncState;
if (callback != null)
{
callback(context);
}
context.NetworkStream.EndWrite(asyncResult);
context.NetworkStream.Dispose();
},
ctx);
}
/// <summary>
/// Writes a producer request to the server asynchronously.
/// </summary>
/// <param name="request">The request to make.</param>
/// <param name="callback">The code to execute once the message is completely sent.</param>
public void BeginWrite(ProducerRequest request, MessageSent<ProducerRequest> callback)
{
NetworkStream stream = _client.GetStream();
RequestContext<ProducerRequest> ctx = new RequestContext<ProducerRequest>(stream, request);
byte[] data = request.GetBytes();
stream.BeginWrite(
data,
0,
data.Length,
delegate(IAsyncResult asyncResult)
{
RequestContext<ProducerRequest> context = (RequestContext<ProducerRequest>)asyncResult.AsyncState;
if (callback != null)
{
callback(context);
}
context.NetworkStream.EndWrite(asyncResult);
context.NetworkStream.Dispose();
},
ctx);
}
/// <summary>
/// Writes a producer request to the server.
/// </summary>
/// <remarks>
/// Write timeout is defaulted to infitite.
/// </remarks>
/// <param name="request">The <see cref="ProducerRequest"/> to send to the server.</param>
public void Write(ProducerRequest request)
{
Write(request.GetBytes());
}
/// <summary>
/// Writes a producer request to the server.
/// </summary>
/// <remarks>
/// Write timeout is defaulted to infitite.
/// </remarks>
/// <param name="request">The <see cref="ProducerRequest"/> to send to the server.</param>
public void Write(ProducerRequest request)
{
Write(request.GetBytes());
}
/// <summary>
/// Send a request to Kafka asynchronously.
/// </summary>
/// <remarks>
/// If the callback is not specified then the method behaves as a fire-and-forget call
/// with the callback being ignored. By the time this callback is executed, the
/// <see cref="RequestContext.NetworkStream"/> will already have been closed given an
/// internal call <see cref="NetworkStream.EndWrite"/>.
/// </remarks>
/// <param name="request">The request to send to Kafka.</param>
/// <param name="callback">
/// A block of code to execute once the request has been sent to Kafka. This value may
/// be set to null.
/// </param>
public void SendAsync(ProducerRequest request, MessageSent<ProducerRequest> callback)
{
if (request.IsValid())
{
KafkaConnection connection = new KafkaConnection(Server, Port);
if (callback == null)
{
// fire and forget
connection.BeginWrite(request.GetBytes());
}
else
{
// execute with callback
connection.BeginWrite(request, callback);
}
}
}