/// <summary>
/// Listens for calls from the clients.
/// </summary>
/// <param name="stateInfo"></param>
static void SocketThread(Object stateInfo)
{
Socket server_TcpSocket = null;
try
{
IPEndPoint server_Address = new IPEndPoint(IPAddress.Any, SERVER_PORT);
server_TcpSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
server_TcpSocket.Bind(server_Address);
byte[] receivedData;
int dataCount;
int index;
string receivedMsg;
typeMessage msgType;
string msgData;
string msgHeader;
MyMessageClass msgClass = new MyMessageClass(SERVER_ID); //-99... Server
byte[] response = new byte[MyMessageClass.BUFFER_SIZE_BYTE];
server_TcpSocket.Listen(10);
while (Run)
{
//Blocking call for accepting requests.
Socket client_TcpSocket = server_TcpSocket.Accept();
//Address of the client:
IPEndPoint client_Address = (IPEndPoint)client_TcpSocket.RemoteEndPoint;
receivedData = new byte[MyMessageClass.BUFFER_SIZE_BYTE];
dataCount = client_TcpSocket.Receive(receivedData);
if (dataCount != 0)
{
receivedMsg = Encoding.ASCII.GetString(receivedData, 0, dataCount);
msgHeader = msgClass.getMessageHeader(receivedMsg);
msgData = msgClass.getMessageData(receivedMsg);
msgType = msgClass.getMessageType(msgHeader);
ClientData client;
switch (msgType)
{
case typeMessage.MSG_CONNECT:
client = msgClass.ParseDataToClientData(msgType, msgData);
client.Number = mServer.ClientNumber;
client.Address = client_Address;
client.Status = ClientStati.Connected;
index = mServer.FindClientIndex(client);
if (index == -1)
{
mServer.AddClient(client);
}
else
{
client = mServer.GetClientList()[index];
}
client.LastHeartBeat = DateTime.Now;
response = msgClass.ConnectResponse(client, mServer.GetProjectListHash());
Console.WriteLine("Client added!");
break;
case typeMessage.MSG_NEWPROJECT:
mServer.AddProject(new Project(msgData));
response = msgClass.NewProjectResponse(mServer.GetProjectListHash());
ProjectListChanged = true;
Console.WriteLine("Project added!");
break;
case typeMessage.MSG_ADDTIME:
Project tmp = msgClass.ParseDataToProject(typeMessage.MSG_ADDTIME, msgData);
response = mServer.UpdateTime(tmp)
? msgClass.AddTimeResponse(mServer.GetProjectListHash())
: msgClass.AddTimeResponseError();
ProjectListChanged = true;
Console.WriteLine("Time added to project!");
break;
case typeMessage.MSG_HEARTBEAT:
client = msgClass.ParseDataToClientData(msgType, msgData);
index = mServer.FindClientIndex(client);
if (index == -1)
{
throw new ArgumentOutOfRangeException();
}
mServer.GetClientList()[index].LastHeartBeat = DateTime.Now;
response = msgClass.HeartBeatResponse(mServer.GetClientList()[index],
mServer.GetProjectListHash());
Console.WriteLine("HeartBeat to Client: " + index);
break;
default:
throw new ArgumentOutOfRangeException();
}
// send response
client_TcpSocket.Send(response, response.Length, SocketFlags.None);
}
client_TcpSocket.Close();
}
}
catch (Exception e)
{
Console.WriteLine("Error:\n" + e.Message);
}
finally
{
server_TcpSocket.Close();
}
}
