private void Logout(User client)
{
RemoveClient(client);
client.Close();
AddLog(String.Format("【{0}】 logout.", client.userName));
}
public void Remove(User user, string message)
{
lock (listOperationsLock)
users.Remove(user);
user.Close();
SendDataToUsers(new Message(user.Name + message));
Console.WriteLine(user.Name + message);
}
/// <summary>
/// 用户退出，更新状态
/// </summary>
/// <param name="user"></param>
private void RemoveUser(User user)
{
userList.Remove(user);
user.Close();
AddItemToListBox(String.Format("当前连接用户数：{0}", userList.Count));
}
private void ListenClient(object obj)
{
/**
* ---------------------todo list----------------------
* 将以下分为三个方法，1-8， 10-12扔出去
* ----------------------------------------------------
* 服务器监听子线程
* 处理每一个client的通信
* 1. 创建user对象
* 2. 得到user id
* 3. 判断id是否重复
* 4. 将user添加进 UserList listbox
* 5. 获取user ip 和 port
* 6. 添加 usernameIpPort
* 7. 将新用户ip port 转发给其他已登录用户
* 8. 将其他用户的ip port发送给新用户
*
* 9. 循环监听操作码
*
* 10. 将用户退出消息告知其他用户
* 11. UserList listbox usernameIpPort删除
* 12. 断开连接
*/
TcpClient client = obj as TcpClient;
//创建新user对象
User user = new User(client);
//读取新用户id
String receive = user.br.ReadString();
//检测id是否被使用过
foreach (var i in UserList)
{
if (i.userName == receive)
{
user.bw.Write("name conflict");
user.bw.Flush();
user.Close();
return;
}
}
user.bw.Write("ok");
user.bw.Flush();
//添加user进入userlist
UserList.Add(user);
user.userName = receive;
textBox1.AppendText(user.userName + "连接成功\r\n");
//listBox1添加用户
listBox1.Items.Add(user.userName);
//远程客户端ip与port
string ip = ((IPEndPoint)user.client.Client.RemoteEndPoint)
.Address.ToString();
//接收新用户本地监听端口
int Port = int.Parse(user.br.ReadString());
//添加新用户ip和port
UsernameIpPort[user.userName] = ip + ":" + Port;
//输出ip和port
textBox1.AppendText(user.userName + " ip是" + ip + " 监听端口是" + Port + "\r\n");
//将新用户ip和port转发给其他登录用户
foreach (User other in UserList)
{
if (other != user)
{
other.bw.Write("new guy");
other.bw.Write(user.userName);
other.bw.Write(ip + ":" + Port);
other.bw.Flush();
textBox1.AppendText("向" + other.userName + " 发送 " + user.userName + " ip和port\r\n");
}
}
//向新用户发送已登录用户信息
user.bw.Write(UserList.Count() - 1 + "");
user.bw.Flush();
foreach (var other in UsernameIpPort)
{
if (other.Key != user.userName)
{
user.bw.Write(other.Key);
user.bw.Write(other.Value);
user.bw.Flush();
textBox1.AppendText("向" + user.userName + " 发送 " + other.Key + " ip和port\r\n");
}
}
//循环监听客户端消息
while (true)
{
try
{
//读取客户端发来消息
string opr = user.br.ReadString();
if (opr.CompareTo("message") == 0)
{
//发送消息给服务器
textBox1.AppendText(user.userName + " : " +
user.br.ReadString() + "\r\n");
}
if (opr.CompareTo("close") == 0)
{
//退出登录
break;
}
}
catch
{
//消息接收异常，断开连接
break;
}
}
//将退出消息告知给其他登录用户
foreach (User other in UserList)
{
if (other != user)
{
other.bw.Write("del guy");
other.bw.Write(user.userName);
other.bw.Flush();
}
}
//从listbox删除对应用户
listBox1.Items.Remove(user.userName);
//UserList删除
UserList.Remove(user);
UsernameIpPort.Remove(user.userName);
//输出
textBox1.AppendText(user.userName + "退出登录\r\n");
//断开连接
user.Close();
}
private void Logout( User client )
{
RemoveClient( client );
client.Close();
AddLog( String.Format( "【{0}】 logout." , client.userName ) );
}