public void ConnectToServer(string userName, string password)
{
myName = userName;
// 发送登录消息到服务器
LoginMessage lginMsg = new LoginMessage(userName, password);
byte[] buffer = FormatterHelper.Serialize(lginMsg);
client.Send(buffer, buffer.Length, hostPoint);
// 接受服务器的登录应答消息
buffer = client.Receive(ref remotePoint);
ListUserResponseMessage srvResMsg = (ListUserResponseMessage)FormatterHelper.Deserialize(buffer);
// 更新用户列表
userList.Clear();
foreach (User user in srvResMsg.UserList)
{
userList.Add(user);
}
this.DisplayUsers(userList);
}
private async void Run()
{
byte[] buffer = null;
while (true)
{
byte[] msgBuffer = await server.Receive(remotePoint);
try
{
object msgObj = FormatterHelper.Deserialize(msgBuffer);
Type msgType = msgObj.GetType();
if (msgType == typeof(LoginMessage))
{
// 转换接受的消息
LoginMessage lginMsg = (LoginMessage)msgObj;
Console.WriteLine("{0}: user {1} sign in.", System.DateTime.Now.ToString(), lginMsg.UserName);
// 添加用户到列表
IPEndPoint userEndPoint = new IPEndPoint(remotePoint.Address, remotePoint.Port);
User user = new User(lginMsg.UserName, userEndPoint);
userList.Add(user);
// 发送应答消息
ListUserResponseMessage usersMsg = new ListUserResponseMessage(userList);
buffer = FormatterHelper.Serialize(usersMsg);
server.Send(buffer, buffer.Length, remotePoint);
Console.WriteLine("Send:" + usersMsg);
}
else if (msgType == typeof(LogoutMessage))
{
// 转换接受的消息
LogoutMessage lgoutMsg = (LogoutMessage)msgObj;
Console.WriteLine("{0}: {1} sign out", System.DateTime.Now.ToString(), lgoutMsg.UserName);
// 从列表中删除用户
User lgoutUser = userList.Find(lgoutMsg.UserName);
if (lgoutUser != null)
{
userList.Remove(lgoutUser);
}
}
else if (msgType == typeof(TranslateMessage))
{
// 转换接受的消息
TranslateMessage transMsg = (TranslateMessage)msgObj;
Console.WriteLine("{0}(1) wants to p2p {2}", remotePoint.Address.ToString(), transMsg.UserName, transMsg.ToUserName);
// 获取目标用户
User toUser = userList.Find(transMsg.ToUserName);
// 转发Purch Hole请求消息
if (toUser == null)
{
Console.WriteLine("Remote host {0} cannot be found at index server", transMsg.ToUserName);
}
else
{
PingMessage transMsg2 = new PingMessage(remotePoint);
buffer = FormatterHelper.Serialize(transMsg);
server.Send(buffer, buffer.Length, toUser.NetPoint);
Console.WriteLine("Send:" + transMsg2);
}
}
else if (msgType == typeof(ListUserMessage))
{
// 发送当前用户信息到所有登录客户
ListUserResponseMessage srvResMsg = new ListUserResponseMessage(userList);
buffer = FormatterHelper.Serialize(srvResMsg);
foreach (User user in userList.InnerList)
{
server.Send(buffer, buffer.Length, user.NetPoint);
Console.WriteLine("Send:" + srvResMsg);
}
}
Thread.Sleep(500);
}
catch (Exception e)
{
System.Console.WriteLine(e.Message);
System.Console.WriteLine(e.StackTrace);
}
}
}