private DaytimeResult ReadUdp(DataReader dr) //TODO: directly read buffer instead of weirding out the DataReader?
{
uint count = dr.UnconsumedBufferLength;
if (count > 0)
{
byte[] buffer = new byte[dr.UnconsumedBufferLength];
dr.ReadBytes(buffer);
var stringresult = BufferToString.ToString(buffer);
Log($"{stringresult}"); // Will be printed on the screen.
var delta = DateTime.UtcNow.Subtract(UdpStartTime).TotalSeconds;
return(DaytimeResult.MakeSucceeded(stringresult, delta));
}
else
{
var stringresult = "ERROR:No results!";
Log($"DAYTIME: CLIENT:{stringresult}");
var delta = DateTime.UtcNow.Subtract(UdpStartTime).TotalSeconds;
return(DaytimeResult.MakeFailed(SocketErrorStatus.HttpInvalidServerResponse, delta));
}
}
private async Task <DaytimeResult> WriteTcpAsync(HostName address, string service, string data)
{
var startTime = DateTime.UtcNow;
try
{
var tcpSocket = new StreamSocket();
await tcpSocket.ConnectAsync(address, service);
// Everything that's sent will be ignored.
if (!string.IsNullOrEmpty(data))
{
var dw = new DataWriter(tcpSocket.OutputStream);
dw.WriteString(data);
await dw.StoreAsync();
}
Stats.NWrites++;
// Now read everything
var s = tcpSocket.InputStream;
var buffer = new Windows.Storage.Streams.Buffer(2048);
string stringresult = "";
var keepGoing = true;
while (keepGoing)
{
try
{
var read = s.ReadAsync(buffer, buffer.Capacity, InputStreamOptions.Partial);
/* This is the syntax that the editor will suggest. There's a
* much simpler syntax (below) that's syntactic sugar over this.
* read.Progress = new AsyncOperationProgressHandler<IBuffer, uint>(
* (operation, progress) =>
* {
* var err = operation.ErrorCode == null ? "null" : operation.ErrorCode.ToString();
* Log(ClientOptions.Verbosity.Verbose, $"Daytime Progress count={progress} status={operation.Status} errorcode={err}");
* });
*/
read.Progress = (operation, progress) =>
{
var err = operation.ErrorCode == null ? "null" : operation.ErrorCode.ToString();
Log(ClientOptions.Verbosity.Verbose, $"Daytime Progress count={progress} status={operation.Status} errorcode={err}");
};
var result = await read;
if (result.Length != 0)
{
var partialresult = BufferToString.ToString(result);
stringresult += partialresult;
Log($"{stringresult}"); // This will be printed on the user's screen.
}
else
{
keepGoing = false;
Log(ClientOptions.Verbosity.Verbose, $"Read completed with zero bytes; closing");
}
}
catch (Exception ex2)
{
keepGoing = false;
Stats.NExceptions++;
Log($"EXCEPTION while reading: {ex2.Message} {ex2.HResult:X}");
var faildelta = DateTime.UtcNow.Subtract(startTime).TotalSeconds;
return(DaytimeResult.MakeFailed(ex2, faildelta));
}
}
var delta = DateTime.UtcNow.Subtract(startTime).TotalSeconds;
return(DaytimeResult.MakeSucceeded(stringresult, delta));
}
catch (Exception ex)
{
Stats.NExceptions++;
Log($"ERROR: Client: Writing {data} to {address} exception {ex.Message}");
var delta = DateTime.UtcNow.Subtract(startTime).TotalSeconds;
return(DaytimeResult.MakeFailed(ex, delta));
}
}