public Drawing_Paint_CLient()
{
InitializeComponent();
label2.BackColor = Color.Black; //По умолчанию для пера задан черный цвет, поэтому мы зададим такой же фон для label2
g = panel1.CreateGraphics(); //Создаем область для работы с графикой на элементе panel
pic = new Bitmap(panel1.Width, panel1.Height); // картинка
listener = new UdpMessageListener <Lines>(Ports.LineServerPort);
listener.IncomingMessage += OnLinesMessage;
listener.Start();
SMlistener = new UdpMessageListener <ServiceMessage>(Ports.SMServerPort);
SMlistener.IncomingMessage += OnServiceMessage;
SMlistener.Start();
Pictlistener = new UdpMessageListener <Pictures>(Ports.PictPort);
Pictlistener.IncomingMessage += OnPicturesMessage;
Pictlistener.Start();
using (var writer = NetworkingFactory.UdpWriter <ServiceMessage>(IPAddress.Parse(serverIP), Ports.SMPort))
{
var info = new ServiceMessage(Command.GetPic);
writer.Write(info);
}
}
public ListenMessagesFromClient(Sandbox sandbox, int port)
{
Sandbox = sandbox;
Listener = new UdpMessageListener(port);
Listener.Listen(MessageReceived);
Sandbox.OnWorldUpdateAfterCollisions.Subscribe(AfterWorldUpdate);
}
public void ShouldReceiveMessagesFromMultipleSources()
{
var listenerPort = 20002;
var expectedMessages = new string[] { "msg 1", "msg 2" };
var listener = new UdpMessageListener(listenerPort);
var count = 0;
listener.Listen((actualMessage, address) =>
{
count++;
Assert.IsTrue(expectedMessages.Contains(actualMessage));
if (count >= 2)
{
AsyncAssert.Done();
}
});
var writer1 = new UdpMessageSender();
var writer2 = new UdpMessageSender();
writer1.Send(expectedMessages[0], "localhost", listenerPort);
writer2.Send(expectedMessages[1], "localhost", listenerPort);
AsyncAssert.Wait();
writer1.Dispose();
writer2.Dispose();
listener.Dispose();
}
public Drawing_Paint()
{
InitializeComponent();
label2.BackColor = Color.Black; //По умолчанию для пера задан черный цвет, поэтому мы зададим такой же фон для label2
g = panel1.CreateGraphics(); //Создаем область для работы с графикой на элементе panel
listener = new UdpMessageListener <Lines>(9090);
listener.IncomingMessage += OnServiceMessage;
listener.Start();
}
public ListenMessagesFromServer(Sandbox sandbox, int port, string playerName)
{
Sandbox = sandbox;
TempPosition = new Position(0, 0);
Listener = new UdpMessageListener(port);
Listener.Listen(MessageReceived);
PlayerName = playerName;
Sandbox.OnWorldUpdateAfterCollisions.Subscribe(WorldUpdate);
}
// при загрузке формочки запускаем слушателей, которые ловят события
private void Form1_Load(object sender, EventArgs e)
{
linesListener = new UdpMessageListener <Lines>(Ports.LinePort);
linesListener.IncomingMessage += OnLinesMessage;
linesListener.Start();
SMlistener = new UdpMessageListener <ServiceMessage>(Ports.SMPort);
SMlistener.IncomingMessage += OnServiceMessage;
SMlistener.Start();
}
public IpDiscover(Action <string> onNewIpDiscovered)
{
IpsFound = new List <string>();
OnNewIpDiscovered = onNewIpDiscovered;
port = 47777;
myIp = NetworkHelper.GetLocalIPAddress();
broadcastIp = NetworkHelper.GetBroadcastAddress(
IPAddress.Parse(myIp),
IPAddress.Parse("255.255.255.0")).ToString();
listener = new UdpMessageListener(port);
sender = new UdpMessageSender();
listener.Listen(OnMessageReceived);
var operation = new ParameterizedThreadStart(Broadcast);
broadcastLoop = new Thread(operation, 1024 * 1024);
broadcastLoop.Start();
}
public void ShouldReceiveAtLeastMessage()
{
var listenerPort = 20000;
var expectedMessage = "Opa! excelente~";
var listener = new UdpMessageListener(listenerPort);
listener.Listen((actualMessage, address) =>
{
Assert.AreEqual(expectedMessage, actualMessage);
AsyncAssert.Done();
});
var writer = new UdpMessageSender();
writer.Send(expectedMessage, "localhost", listenerPort);
AsyncAssert.Wait();
writer.Dispose();
listener.Dispose();
}
/// <summary>
/// Конструктор формы для прождения теста
/// </summary>
/// <param name="ipAddressString"> ip-адрес сервера </param>
public QuestionForm(string ipAddressString)
{
_listener = new UdpMessageListener <Question>(9090);
_listener.IncomingMessage += OnIncomingQuestion;
_listener.Start();
_server = NetworkingFactory.UdpWriter <ServiceMessage>(IPAddress.Parse(ipAddressString), 8080);
InitializeComponent();
//Отправляем на сервер запрос о количестве вопросов в базе данных
ServiceMessage msg = new ServiceMessage(Command.CountQuestions);
_server.Write(msg);
bool flag = false;
//Пытаемся получить ответ на запрос от сервера
try
{
var reader = NetworkingFactory.UdpReader <Question>(9091);
var Message = reader.Read(15000);
var Sender = reader.Sender;
int.TryParse(Message.Text, out maxQuestionNumber);
flag = true;
reader.Dispose();
}
catch (Exception e)
{
//MessageBoxButtons buttons = MessageBoxButtons.OK;
//MessageBox.Show(e.Message, "Error Detected in Input", buttons);
}
//Если ответ от сервера не получен, показываем соответствующее сообщение для пользователя
string caption = "Info";
var message = "";
if (!flag)
{
message = "Сервер не отвечает.";
}
else if (maxQuestionNumber == 0)
{
message = "В базе нет ни одного вопроса.";
}
if (message != "")
{
MessageBoxButtons buttons = MessageBoxButtons.OK;
MessageBox.Show(message, caption, buttons);
}
CountLabel.Text = "В базе " + maxQuestionNumber + " вопросов.";
//Генерируем случайную последовательность вопросов
perm = Enumerable.Range(1, maxQuestionNumber).ToArray();
Random r = rnd;
for (int i = maxQuestionNumber - 1; i >= 1; i--)
{
int j = r.Next(i + 1);
int temp = perm[j];
perm[j] = perm[i];
perm[i] = temp;
}
//Отправляем на сервер запрос первого вопроса теста
msg = new ServiceMessage(Command.NextQuestion, perm[NumQuestion]);
_server.Write(msg);
}
private void Form1_Load(object sender, EventArgs e)
{
listener = new UdpMessageListener <Lines>(8080);
listener.IncomingMessage += OnServiceMessage;
listener.Start();
}
static void Main(string[] args)
{
using (var listener = new UdpMessageListener <ServiceMessage>(8080))
{
listener.IncomingMessage += OnServiceMessage;
listener.Start();
Console.WriteLine("Сервер жив!");
Console.WriteLine("Список команд: ");
Console.WriteLine("questions - вывести список вопросов из базы;");
Console.WriteLine("delete - удалить вопрос из базы по id;");
Console.WriteLine("exit - закончить работу сервера.");
Console.WriteLine();
while (true)
{
string command = Console.ReadLine().ToLower();
switch (command)
{
case "questions":
{
string connectionString = GetConnectionString();
using (SqlConnection connection = new SqlConnection(connectionString))
{
connection.Open();
string query = @"SELECT Id, Text FROM [QUESTIONS]";
//string query = @"SELECT * FROM [QUESTIONS]";
using (SqlCommand sqlcommand = new SqlCommand(query, connection))
{
using (SqlDataReader reader = sqlcommand.ExecuteReader())
{
while (reader.Read())
{
for (int i = 0; i < reader.FieldCount; i++)
{
var dtS = reader.GetDataTypeName(i);
string s;
switch (dtS)
{
case "int":
{
s = String.Format("{0}", reader.GetInt32(i));
break;
}
case "nvarchar":
{
s = reader.GetString(i);
break;
}
default:
{
s = "@" + dtS + "@";
break;
}
}
Console.Write("\"{0}\" ", s == null ? "null" : s);
}
Console.WriteLine();
}
}
}
}
break;
}
case "delete":
{
string connectionString = GetConnectionString();
int countQuestions;
using (SqlConnection connection = new SqlConnection(connectionString))
{
connection.Open();
string query = @"SELECT COUNT(*) cnt FROM [QUESTIONS]";
using (SqlCommand commandS = new SqlCommand(query, connection))
{
countQuestions = Convert.ToInt32(commandS.ExecuteScalar()) + 1;
}
connection.Close();
}
Console.Write("Введите номер вопроса (Введите \"-1\" для отмены операции): ");
int id;
if (!Int32.TryParse(Console.ReadLine(), out id))
{
Console.WriteLine("Значение введено некорректно.");
}
else if (id == -1)
{
Console.WriteLine("Операция отменена");
break;
}
else if (id > countQuestions || id < -1)
{
Console.WriteLine("Вопроса с таким id нет в базе.");
break;
}
using (SqlConnection connection = new SqlConnection(connectionString))
{
connection.Open();
string query = @"DELETE FROM Questions WHERE Id = " + id;
SqlCommand commandDel = new SqlCommand(query, connection);
commandDel.ExecuteNonQuery();
if (id != countQuestions)
{
for (int i = id + 1; i <= countQuestions; i++)
{
query = @"UPDATE Questions SET Id = " + (i - 1) + " WHERE Id = " + i;
commandDel = new SqlCommand(query, connection);
commandDel.ExecuteNonQuery();
}
}
Console.WriteLine("Вопрос успешно удален.");
connection.Close();
}
break;
}
case "exit":
{
goto exit;
}
default:
{
Console.WriteLine("Команда не распознана.");
break;
}
}
Console.WriteLine();
}
exit : Console.WriteLine("Выключение...");
}
}
