/// <summary>
/// Continuously receive data from the server and take the appropriate actions.
/// </summary>
/// <param name="ss">The state for this specific socket connection.</param>
private void ReceiveData(SocketState ss)
{
StringBuilder sb = ss.sb;
String sbStr = sb.ToString();
//MessageBox.Show("(CALLBACK) Message from server: " + sb.ToString()); // For debugging
try
{
String[] messageTokens = sbStr.Split(new Char[] { '\t', '\n' }, StringSplitOptions.RemoveEmptyEntries);
int opCode = int.Parse(messageTokens[0]);
// Call the appropriate function based on the opCode
switch (opCode)
{
case 0:
ShowSpreadsheetList(messageTokens);
break;
case 1:
formName = temporaryName;
CreateNewSpreadsheet(messageTokens, formName);
break;
case 2:
formName = temporaryName;
OpenOldSpreadsheet(messageTokens, formName);
break;
case 3:
CellEdit(messageTokens);
break;
case 4:
// MessageBox.Show(null, "Valid Edit", "Error Message", MessageBoxButtons.OK, MessageBoxIcon.Information);
break;
case 5:
MessageBox.Show(null, "Invalid Edit", "Error Message", MessageBoxButtons.OK, MessageBoxIcon.Information);
break;
case 6:
formName = temporaryName;
FileRename(messageTokens);
break;
case 7:
MessageBox.Show(null, "File is saved", "Error Message", MessageBoxButtons.OK, MessageBoxIcon.Information);
break;
case 8:
MessageBox.Show(null, "File is renamed", "Error Message", MessageBoxButtons.OK, MessageBoxIcon.Information);
break;
case 9:
MessageBox.Show(null, "This filename exist. Please Try again", "Error Message", MessageBoxButtons.OK, MessageBoxIcon.Information);
break;
}
}
catch (Exception)
{
}
/*
* The code below was not parsing correctly, so I commented it out and added back my old parsing code.
* I understand what you're trying to do here, but it wasn't working. If you can get it working, then
* that's fine, but please don't push any code that breaks code that's already working, upgrades
* can be done later.
*/
//String[] message = sbStr.Split(new Char[] { '\n' }, StringSplitOptions.RemoveEmptyEntries);
// Process every but the last message because it may not be completed
/*for (int i = 0; i < message.Length - 1; i++)
* {
* try
* {
*
* String[] messageTokens = message[i].Split(new Char[] { '\t' }, StringSplitOptions.RemoveEmptyEntries);
*
* int opCode = int.Parse(messageTokens[0]);
*
* // Call the appropriate function based on the opCode
* switch (opCode)
* {
* case 0:
* ShowSpreadsheetList(messageTokens);
* break;
* case 1:
* formName = temporaryName;
* CreateNewSpreadsheet(messageTokens);
* break;
* case 2:
* formName = temporaryName;
* OpenOldSpreadsheet(messageTokens);
* break;
* case 3:
* CellEdit(messageTokens);
* break;
* case 6:
* formName = temporaryName;
* FileRename(messageTokens);
* break;
* case 9:
* MessageBox.Show(null, "This filename exist. Please Try again", "Error Message", MessageBoxButtons.OK, MessageBoxIcon.Information);
* break;
*
* }
* }
*
* catch (Exception)
* {
*
* }
*
* ss.callMe = new Action<SocketState>(this.ReceiveData);
* //remove the every message + '\n' character
* ss.sb.Remove(0, message[i].Length + 1);
* }*/
ss.callMe = new Action <SocketState>(this.ReceiveData);
ss.sb.Clear();
}
// Creates a control object
public NetworkControl()
{
theServer = null;
clientID = -1;
clientName = null;
}
/// <summary>
/// As soon as the connection to the server is successfully established, send the name of
/// the requested spreadsheet to the server.
/// </summary>
/// <param name="ss">The state for this specific socket connection.</param>
private void FirstContact(SocketState ss)
{
ss.callMe = new Action <SocketState>(this.ReceiveStartup);
}
/// <summary>
/// This is a small helper function that the client View code will call whenever it wants more data.
/// Note: the client will probably want more data every time it gets data, and has finished processing
/// it in its callbackFunction.
/// </summary>
/// <param name="ss">The SocketState object.</param>
public static void GetData(SocketState ss)
{
ss.theSocket.BeginReceive(ss.messageBuffer, 0, 1024, SocketFlags.None, new AsyncCallback(Networking.ReceiveCallback), ss);
}
