/// <summary>
/// May throw exceptions if there are pipe problems.
/// </summary>
/// <param name="stream"></param>
/// <param name="cancellationToken"></param>
/// <returns></returns>
public static async Task<BuildResponse> ReadAsync(Stream stream, CancellationToken cancellationToken)
{
Log("Reading response length");
// Read the response length
var lengthBuffer = new byte[4];
await ReadAllAsync(stream, lengthBuffer, 4, cancellationToken).ConfigureAwait(false);
var length = BitConverter.ToUInt32(lengthBuffer, 0);
// Read the response
Log("Reading response of length {0}", length);
var responseBuffer = new byte[length];
await ReadAllAsync(stream,
responseBuffer,
responseBuffer.Length,
cancellationToken).ConfigureAwait(false);
using (var reader = new BinaryReader(new MemoryStream(responseBuffer), Encoding.Unicode))
{
var responseType = (ResponseType)reader.ReadInt32();
switch (responseType)
{
case ResponseType.Completed:
return CompletedBuildResponse.Create(reader);
case ResponseType.MismatchedVersion:
return new MismatchedVersionBuildResponse();
case ResponseType.AnalyzerInconsistency:
return new AnalyzerInconsistencyBuildResponse();
default:
throw new InvalidOperationException("Received invalid response type from server.");
}
}
}
public async Task ReadWriteCompleted()
{
var response = new CompletedBuildResponse(42, utf8output: false, output: "a string");
var memoryStream = new MemoryStream();
await response.WriteAsync(memoryStream, default(CancellationToken));
Assert.True(memoryStream.Position > 0);
memoryStream.Position = 0;
var read = (CompletedBuildResponse)(await BuildResponse.ReadAsync(memoryStream, default(CancellationToken)));
Assert.Equal(42, read.ReturnCode);
Assert.False(read.Utf8Output);
Assert.Equal("a string", read.Output);
Assert.Equal("", read.ErrorOutput);
}
