private static T1 GetFromServer <T1>(string sendMessage, string returnMessage, string serializedObject = "") where T1 : ServerObject, new()
{
ConnectionInfo serverConnectionInfo;
if (ip == null)
{
return(default(T1));
}
try
{
serverConnectionInfo = new ConnectionInfo(ip, CommonInfo.ServerPort);
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
//ShowMessage("Failed to parse the server IP and port. Please ensure it is correct and try again");
return(default(T1));
}
try
{
TCPConnection serverConnection = TCPConnection.GetConnection(serverConnectionInfo);
string serializedObj;
if (serializedObject == "")
{
serializedObj = serverConnection.SendReceiveObject <string>(sendMessage, returnMessage, 30000);
}
else
{
serializedObj = serverConnection.SendReceiveObject <string, string>(sendMessage, returnMessage, 30000, serializedObject);
}
T1 obj = new T1();
obj.DeserializeFromString(serializedObj);
return(obj);
}
catch (CommsException e)
{
Console.WriteLine(e.ToString());
/*AppendLineToChatHistory("Error: A communication error occurred while trying to send message to " + serverConnectionInfo + ". Please check settings and try again.");*/
FailedToConnect?.Invoke();
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
/*AppendLineToChatHistory("Error: A general error occurred while trying to send message to " + serverConnectionInfo + ". Please check settings and try again.");*/
}
return(default(T1));
}
private void Button1_Click(object sender, EventArgs e)
{
ConnectionInfo connection = new ConnectionInfo(ServerEndPoint);
TCPConnection tcp = TCPConnection.GetConnection(connection);
var s = new Student
{
Name = "AAA",
Age = new Random().Next(0, 100)
};
var result = tcp.SendReceiveObject <Student, String>("sendstudent", "recivestudent", 5000, s);
textBox1.Text += $"{DateTime.Now}>> student data is send:{result}\r\n>";
}
/// <summary>
/// Faz o request com o servidor e aguarda o retorno.
/// </summary>
/// <param name="ip"></param>
/// <param name="port"></param>
public void Request(string ip, int port)
{
try
{
// Cria o objeto ConnectionInfo com o IP e Porta recebidos
ConnectionInfo connectionInfo = new ConnectionInfo(ip, port);
// Cria o Get da conexão com o Servidor
TCPConnection serverConnection = TCPConnection.GetConnection(connectionInfo);
// Imprime no log as informações do Request
PrintRequestMessage(ip, port);
// Faz o request e aguarda o retorno do servidor
string myCustomObject = serverConnection.SendReceiveObject <string>("RequestCustomObject", "CustomObjectReply", 3000);
// Imprime no log a resposta do servidor
PrintResponseMessage(ip, port, myCustomObject);
response = "Conectado!";
}
catch (Exception err)
{
if (err is ExpectedReturnTimeoutException)
{
string message = "Receive timed out after the 3000ms";
response = message;
PrintErrorMessage(ip, port, message);
}
else if (err is ConnectionSetupException)
{
string message = "Falha ao conectar com o servidor de testes no endereço: " + ip + ":" + port;
response = message;
PrintErrorMessage(ip, port, message);
}
else if (err is ConnectionShutdownException)
{
string message = "A comunicação com o Servidor não recebeu uma resposta";
response = message;
PrintErrorMessage(ip, port, message);
}
else
{
PrintErrorMessage(ip, port, err.ToString());
response = err.ToString();
}
}
}
/// <summary>
/// Sends a request to add the specified stock record to the database. Produces error messages if failed. Waits
/// for 10000ms.
/// </summary>
/// <param name="stockName">Name of new stock.</param>
/// <param name="purchase">Purchase cost of new stock.</param>
/// <param name="sell">Sell price of the item.</param>
/// <param name="qty">Current quantity of the stock.</param>
/// <returns>The success of the insert command.</returns>
public bool InsertStock(string stockName, double purchase, double sell, int qty)
{
try
{
//Send a request to insert stock, expecting a confirmation.
if (_connection.SendReceiveObject<StockRecord, bool>("InsertStockRecord", "ReturnInsertStockRecord", 10000,
new StockRecord(0, stockName, purchase, sell, qty)))
{
View.SuccessNotify("Successfully added stock.", "Receipt successful");
return true;
}
//The server has failed to insert the stock in the database.
else
{
View.ErrorNotify("Data could not be added to the database.\n Check the server for further details.",
"Database Error");
}
}
catch (ExpectedReturnTimeoutException exception)
{
View.ErrorNotify("No confirmation recieved from server.\n Likly a connection issue, check the server status.",
"Connection Error");
}
return false;
}
