/// <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(PipeStream stream, CancellationToken cancellationToken)
{
CompilerServerLogger.Log("Reading response length");
// Read the response length
var lengthBuffer = new byte[4];
await BuildProtocolConstants.ReadAllAsync(stream, lengthBuffer, 4, cancellationToken).ConfigureAwait(false);
var length = BitConverter.ToUInt32(lengthBuffer, 0);
// Read the response
CompilerServerLogger.Log("Reading response of length {0}", length);
var responseBuffer = new byte[length];
await BuildProtocolConstants.ReadAllAsync(stream,
responseBuffer,
responseBuffer.Length,
cancellationToken).ConfigureAwait(false);
using (var reader = new BinaryReader(new MemoryStream(responseBuffer), Encoding.Unicode))
{
int returnCode = reader.ReadInt32();
string output = BuildProtocolConstants.ReadLengthPrefixedString(reader);
string errorOutput = BuildProtocolConstants.ReadLengthPrefixedString(reader);
return(new BuildResponse(returnCode, output, errorOutput));
}
}
/// <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)
{
CompilerServerLogger.Log("Reading response length");
// Read the response length
var lengthBuffer = new byte[4];
await BuildProtocolConstants.ReadAllAsync(stream, lengthBuffer, 4, cancellationToken).ConfigureAwait(false);
var length = BitConverter.ToUInt32(lengthBuffer, 0);
// Read the response
CompilerServerLogger.Log("Reading response of length {0}", length);
var responseBuffer = new byte[length];
await BuildProtocolConstants.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(MismatchedVersionBuildResponse.Create(reader));
default:
throw new InvalidOperationException("Received invalid response type from server.");
}
}
}
/// <summary>
/// Read a Request from the given stream.
///
/// The total request size must be less than 1MB.
/// </summary>
/// <returns>null if the Request was too large, the Request otherwise.</returns>
public static async Task <BuildRequest> ReadAsync(Stream inStream, CancellationToken cancellationToken)
{
// Read the length of the request
var lengthBuffer = new byte[4];
CompilerServerLogger.Log("Reading length of request");
await BuildProtocolConstants.ReadAllAsync(inStream,
lengthBuffer,
4,
cancellationToken).ConfigureAwait(false);
var length = BitConverter.ToInt32(lengthBuffer, 0);
// Back out if the request is > 1MB
if (length > 0x100000)
{
CompilerServerLogger.Log("Request is over 1MB in length, cancelling read.");
return(null);
}
cancellationToken.ThrowIfCancellationRequested();
// Read the full request
var responseBuffer = new byte[length];
await BuildProtocolConstants.ReadAllAsync(inStream,
responseBuffer,
length,
cancellationToken).ConfigureAwait(false);
cancellationToken.ThrowIfCancellationRequested();
CompilerServerLogger.Log("Parsing request");
// Parse the request into the Request data structure.
using (var reader = new BinaryReader(new MemoryStream(responseBuffer), Encoding.Unicode))
{
var protocolVersion = reader.ReadUInt32();
var language = (BuildProtocolConstants.RequestLanguage)reader.ReadUInt32();
uint argumentCount = reader.ReadUInt32();
var argumentsBuilder = ImmutableArray.CreateBuilder <Argument>((int)argumentCount);
for (int i = 0; i < argumentCount; i++)
{
cancellationToken.ThrowIfCancellationRequested();
argumentsBuilder.Add(BuildRequest.Argument.ReadFromBinaryReader(reader));
}
return(new BuildRequest(protocolVersion,
language,
argumentsBuilder.ToImmutableArray()));
}
}