public List<EnvParameters> EnvQuery()
{
List<EnvParameters> parameters = new List<EnvParameters>();
try
{
byte[] input = new byte[1024];
byte[] recv = new byte[1024];
byte[] data = new byte[1024];
int len_recv;
//string stringRecv;
IPAddress ip = IPAddress.Parse("127.0.0.1"); //定义主机的IP及端口
IPEndPoint ipEnd = new IPEndPoint(ip, port);
Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
try
{
socket.Connect(ipEnd);
input = commands["Stop"];
socket.Send(input, input.Length, SocketFlags.None);
len_recv = socket.Receive(recv);
data[0] = recv[2]; //add
data[1] = recv[3]; //c
data[2] = recv[4]; //l
data[3] = recv[5]; //data
data[4] = recv[5]; //data
data[5] = recv[5]; //data
data[6] = recv[5]; //data
Console.WriteLine("Echoed test = {0}", Encoding.ASCII.GetString(recv, 0, len_recv));
// Release the socket.
socket.Shutdown(SocketShutdown.Both);
socket.Close();
}
catch (ArgumentNullException ane)
{
Console.WriteLine("ArgumentNullException : {0}", ane.ToString());
}
catch (SocketException se)
{
Console.WriteLine("SocketException : {0}", se.ToString());
}
catch (Exception e)
{
Console.WriteLine("Unexpected exception : {0}", e.ToString());
}
if (data[3] != CheckSum(data)) //cs
{ throw new Exception(); }
string windDirection = System.Text.Encoding.ASCII.GetString(new[] { data[4] });
EnvParameters parameter = new EnvParameters((double)data[3],
(string)windDirection, (double)data[5], (double)data[6]);
parameters.Add(parameter);
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
}
return parameters;
}
public List<EnvParameters> EnvQuery()
{
Write(commands["Query"]);
byte[] data = new byte[4];
List<EnvParameters> parameters = new List<EnvParameters>();
try
{
data = ReadData();
string windDirection = System.Text.Encoding.ASCII.GetString(new[] { data[1] });
EnvParameters parameter = new EnvParameters((double)data[0],
(string)windDirection, (double)data[2], (double)data[3]);
parameters.Add(parameter);
}
catch (Exception e)
{
Console.WriteLine("Unexpected exception : {0}", e.ToString());
throw new Exception();
}
return parameters;
}