public void Ack(long batchId)
{
WaitClientRunning();
if (!_running)
{
return;
}
var ca = new ClientAck()
{
Destination = _clientIdentity.Destination,
ClientId = _clientIdentity.ClientId.ToString(),
BatchId = batchId
};
var pack = new Packet()
{
Type = PacketType.Clientack,
Body = ca.ToByteString()
}.ToByteArray();
try
{
WriteWithHeader(pack);
}
catch (IOException e)
{
throw new CanalClientException(e.Message, e);
}
}
public ClientAck CreateClientAck(Message message)
{
// Receivers involved in the ClientAck
List <string> receivers;
if (message.Type == MessageTypeEnum.Broadcast)
{
// Everyone except the sender
receivers = new List <string>(_userHandler.GetActiveSessions().Select <Session, string>(sess => sess.Username));
receivers.Remove(message.Sender);
}
else
{
// Only the receiver
receivers = new List <string>()
{
message.Receiver
};
}
ClientAck clientAck = new ClientAck(Guid.NewGuid().ToString(), DateTime.UtcNow, message, receivers);
_clientAcks.TryAdd(clientAck.ClientAckId, clientAck);
return(clientAck);
}
/// <summary>
/// Ack has received data.
/// </summary>
/// <param name="batchId"></param>
/// <returns></returns>
public async Task AckAsync(long batchId)
{
ValidateState(ConnectionState.Subscribed, nameof(AckAsync));
var ca = new ClientAck()
{
Destination = _options.Destination,
ClientId = _options.ClientId,
BatchId = batchId
};
var pack = new Packet()
{
Type = PacketType.Clientack,
Body = ca.ToByteString()
}.ToByteArray();
await _client.WritePacketAsync(pack);
_logger.LogDebug($"Ack {batchId} success.");
}
