async void recieveMessage(NetworkStream stream)
{
try {
while (true)
{
msg = ChattingMessageUtil.Recieve(stream);
if (msg == null)
{
continue;
}
if (msg.header.MSGTYPE == CONSTANT.FLOODING)
{
string chat = Encoding.Default.GetString(msg.body.GetBytes());
appendText(tbxChattingLog, chat);
}
else if (msg.header.MSGTYPE == CONSTANT.NOTICE)
{
string notice = Encoding.Default.GetString(msg.body.GetBytes());
appendText(tbxChattingLog, notice);
}
}
}
catch (SocketException) {
stream.Close();
client.Close();
}
catch (IOException) {
stream.Close();
client.Close();
}
}
private void btnConnect_Click(object sender, EventArgs e)
{
if (client != default(TcpClient))
{
return;
}
string serverIP = tbxServerIP.Text;
int serverPort = int.Parse(tbxServerPort.Text);
clientAddress = new IPEndPoint(IPAddress.Loopback, 0);
serverAddress = new IPEndPoint(IPAddress.Parse(serverIP), serverPort);
client = new TcpClient(clientAddress);
if (!connectToServer(3))
{
return; //서버와의 연결 성공 여부에 따라
}
stream = client.GetStream();
//채팅 서버 접속자들에게 자신의 접속을 알리기 위한 메세지를 서버에 보냄
ChattingMessage.Message msg = makeConnectionMessage(Nickname);
sendMessage(stream, msg);
recieveTask = Task.Run(() => recieveMessage(stream));
}
private void btnEnter_Click(object sender, EventArgs e)
{
if (stream == default(NetworkStream))
{
return;
}
if (tbxInput.Text == null || tbxInput.Text.Length == 0)
{
return;
}
ChattingMessage.Message msg = makeChattingMessage(tbxInput.Text);
tbxInput.Clear();
sendMessage(stream, msg);
}
void sendMessage(NetworkStream stream, ChattingMessage.Message msg)
{
try {
ChattingMessageUtil.Send(stream, msg);
}
catch (SocketException) {
stream.Close();
client.Close();
Application.Exit();
}
catch (IOException) {
stream.Close();
client.Close();
Application.Exit();
}
catch (ObjectDisposedException) {
appendText(tbxChattingLog, "[전송 실패: 서버와의 연결 종료됨]");
}
}
private void btnChangeName_Click(object sender, EventArgs e)
{
if (stream == default(NetworkStream))
{
return;
}
if (tbxNickname.Text == null || tbxNickname.Text.Length == 0)
{
appendText(tbxChattingLog, "유효하지 않은 닉네임입니다.");
return;
}
string oldNickname = Nickname;
Nickname = tbxNickname.Text;
ChattingMessage.Message msg = makeChangeNicknameMessage(oldNickname, Nickname);
sendMessage(stream, msg);
}