/// <summary>
/// Handles the RequestChannelData message from a customer.
/// </summary>
/// <param name="header">The message header.</param>
/// <param name="requestChannelData">The RequestChannelData message.</param>
protected virtual void HandleRequestChannelData(IMessageHeader header, RequestChannelData requestChannelData)
{
var args = Notify(OnRequestChannelData, header, requestChannelData, new ChannelMetadata());
HandleRequestChannelData(args);
if (!args.Cancel)
{
ChannelMetadata(args.Context);
}
}
/// <summary>
/// Sends a RequestChannelData message to a producer.
/// </summary>
/// <param name="uri">The URI.</param>
/// <param name="fromIndex">From index.</param>
/// <param name="toIndex">To index.</param>
/// <returns>The sent message on success; <c>null</c> otherwise.</returns>
public virtual EtpMessage <RequestChannelData> RequestChannelData(string uri, long?fromIndex = null, long?toIndex = null)
{
var body = new RequestChannelData
{
Uri = uri ?? string.Empty,
FromIndex = fromIndex,
ToIndex = toIndex
};
return(SendRequest(body));
}
/// <summary>
/// Sends a RequestChannelData message to a producer.
/// </summary>
/// <param name="uri">The URI.</param>
/// <param name="fromIndex">From index.</param>
/// <param name="toIndex">To index.</param>
/// <returns>The message identifier.</returns>
public virtual long RequestChannelData(string uri, long?fromIndex = null, long?toIndex = null)
{
var header = CreateMessageHeader((int)Protocols.ChannelDataFrame, (int)MessageTypes.ChannelDataFrame.RequestChannelData);
var requestChannelData = new RequestChannelData
{
Uri = uri,
FromIndex = fromIndex,
ToIndex = toIndex
};
return(Session.SendMessage(header, requestChannelData));
}
