/// <summary>
/// 编码处理
/// </summary>
/// <param name="request"></param>
/// <param name="cancellationToken"></param>
/// <returns></returns>
public async Task <IResponse> Code(IRequest request, CancellationToken cancellationToken = default(CancellationToken))
{
using (UdpClient udp = new UdpClient())
{
await udp.SendAsync(request.ToArray(), request.Size, dns).WithCancellationTimeout(TimeSpan.FromMilliseconds(timeout), cancellationToken);
UdpReceiveResult result = await udp.ReceiveAsync().WithCancellationTimeout(TimeSpan.FromMilliseconds(timeout), cancellationToken);
if (!result.RemoteEndPoint.Equals(dns))
{
throw new IOException("Remote endpoint mismatch");
}
byte[] buffer = result.Buffer;
DnsResponseMessage response = DnsResponseMessage.FromArray(buffer);
if (response.Truncated)
{
return(await fallback.Code(request, cancellationToken));
}
return(new Model.DnsClientResponse(request, response, buffer));
}
}
/// <summary>
/// 编码处理
/// </summary>
/// <param name="request"></param>
/// <param name="cancellationToken"></param>
/// <returns></returns>
public async Task <IResponse> Code(IRequest request, CancellationToken cancellationToken = default(CancellationToken))
{
using (var udpClient = SocketFactory.CreateClientSocket(SocketOptionBuilder.Instance.SetSocket(SAEASocketType.Udp)
.SetIPEndPoint(_ipEndpoint)
.UseIocp <BaseUnpacker>()
.SetReadBufferSize(SocketOption.UDPMaxLength)
.SetWriteBufferSize(SocketOption.UDPMaxLength)
.ReusePort()
.Build()))
{
udpClient.OnReceive += UdpClient_OnReceive;
udpClient.Connect();
var buffer = _orderSyncHelper.Wait(() =>
{
udpClient.SendAsync(request.ToArray());
});
DnsResponseMessage response = DnsResponseMessage.FromArray(buffer);
if (response.Truncated)
{
return(await _fallback.Code(request, cancellationToken));
}
return(new Model.DnsClientResponse(request, response, buffer));
}
}
public static DnsClientResponse FromArray(IRequest request, byte[] message)
{
DnsResponseMessage response = DnsResponseMessage.FromArray(message);
return(new DnsClientResponse(request, response, message));
}