// Client IPC Cycle.
// Send a request. Receive the response.
static public async Task <RequestResponseFrame> RequestReceiveResponse(BufferedStream bufferedStream, ITcpFrame sendTcpFrame, ILogger logger)
{
// Send the request to the server.
await SendFrame(sendTcpFrame, bufferedStream, logger);
// Receive the response from the server.
ITcpFrame tcpFrame;
tcpFrame = await ReceiveFrame(bufferedStream, logger);
// The response is ready to be processed.
RequestResponseFrame responseFrame = new RequestResponseFrame(tcpFrame.FramePacket);
return(responseFrame);
}
static public async Task <ITcpFrame> ReceiveFrame(BufferedStream bufferedStream, ILogger logger)
{
int count;
int numberRead;
int offset;
string methodName = "ReceiveFrame";
logger.WriteEntry(methodName + " creating receive buffer.");
// Read the number of bytes of the packet.
count = sizeof(Int32);
byte[] receiveLengthBytes = new byte[count];
offset = 0;
while (count > 0)
{
numberRead = await bufferedStream.ReadAsync(receiveLengthBytes, offset, count);
offset += numberRead;
count -= numberRead;
}
logger.WriteEntry(methodName + " received response size.");
// Convert the raw bytes to an integer.
int receiveFrameSize = BitConverter.ToInt32(receiveLengthBytes, 0);
// Receive the packet.
byte[] receiveFrameBytes = new byte[receiveFrameSize];
if (receiveFrameSize > 0)
{
// Receive the data frame.
offset = 0;
count = receiveFrameSize;
while (count > 0)
{
numberRead = await bufferedStream.ReadAsync(receiveFrameBytes, offset, count);
offset += numberRead;
count -= numberRead;
}
}
RequestResponseFrame tcpFrame = new RequestResponseFrame(receiveFrameBytes);
return(tcpFrame);
}
