/// <summary>
/// Trims a response from the server and splits into an array so the actual data can be used/read.
/// </summary>
/// <param name="prefix"></param>
/// <param name="str"></param>
/// <returns></returns>
public static string[] TrimAndSplitTcpResponse(DataPrefix prefix, string str)
{
// Trim the prefix and delimiter from the start of the response
string response = str.Remove(0, prefix.GetDescription().Length).TrimStart(Constants.Delimiter.ToCharArray());
// Trim the end of file tag
response = response.TrimEnd("<EOF>".ToCharArray());
// Split the data into an array
string[] responseArray = response.Split(Convert.ToChar(Constants.Delimiter));
return(responseArray);
}
/// <summary>
/// Determines the type of data from the server and handles accordingly
/// </summary>
/// <param name="data"></param>
private static void HandleData(string data)
{
DataPrefix type = DataPrefix.None;
StatusCode status = StatusCode.None;
string error = string.Empty;
// If the data is prefixed with -msg
if (data.StartsWith(DataPrefix.Message.GetDescription()))
{
//Rebuild message object
//Message message = Message.BuildMessageFromTcpString(content);
//Raise message received event
// MessageReceivedEventArgs args = Message.BuildMessageReceivedEvent(message);
//message.OnMessageReceived(args);
}
// If the data is prefixed with -reguser
else if (data.StartsWith(DataPrefix.RegisterUser.GetDescription()))
{
// Trims and splits response
string[] response = StringHelper.TrimAndSplitTcpResponse(DataPrefix.RegisterUser, data);
type = DataPrefix.RegisterUser;
status = (StatusCode)Enum.Parse(typeof(StatusCode), response[0]);
error = response[1];
}
// If the data is prefixed with -login
else if (data.StartsWith(DataPrefix.LoginUser.GetDescription()))
{
string[] response = StringHelper.TrimAndSplitTcpResponse(DataPrefix.LoginUser, data);
type = DataPrefix.LoginUser;
status = (StatusCode)Enum.Parse(typeof(StatusCode), response[0]);
error = response[1];
}
if (type != DataPrefix.None)
{
ServerResponseEventArgs args = new ServerResponseEventArgs
{
Type = type,
Status = status,
Error = error
};
// Raise server response event
OnServerResponse(args);
}
}
/// <summary>
/// Builds a response to the client based on the results from the database
/// </summary>
/// <param name="prefix">The type of request that has been made</param>
/// <param name="dbResponse">The response from the database</param>
/// <returns></returns>
private string BuildTcpResponse(DataPrefix prefix, Response dbResponse)
{
StringBuilder sb = new StringBuilder();
if (dbResponse.Status == StatusCode.Success)
{
sb.Append(prefix.GetDescription());
sb.Append(Constants.Delimiter);
sb.Append(StatusCode.Success);
sb.Append(Constants.Delimiter);
sb.Append(Constants.EndOfFile);
}
else
{
sb.Append(prefix.GetDescription());
sb.Append(Constants.Delimiter);
sb.Append(StatusCode.Failure);
sb.Append(Constants.Delimiter);
sb.Append(dbResponse.Error);
sb.Append(Constants.EndOfFile);
}
return(sb.ToString());
}
