//线程主方法
private void Run()
{
byte[] msgBuffer = null;
while (true)
{
msgBuffer = _server.Receive(ref _remotePoint); //接受消息
try
{
//将消息转换为对象
object msgObject = ObjectSerializer.Deserialize(msgBuffer);
if (msgObject == null)
{
continue;
}
Type msgType = msgObject.GetType();
DoWriteLog("接收到消息:" + msgType.ToString());
DoWriteLog("From:" + _remotePoint.ToString());
//新用户登录
if (msgType == typeof(C2S_LoginMessage))
{
C2S_LoginMessage lginMsg = (C2S_LoginMessage)msgObject;
DoWriteLog(string.Format("用户'{0}'已登录!", lginMsg.FromUserName));
// 添加用户到列表
IPEndPoint userEndPoint = new IPEndPoint(_remotePoint.Address, _remotePoint.Port);
User user = new User(lginMsg.FromUserName, userEndPoint);
_userList.Add(user);
this.DoUserChanged(_userList);
//通知所有人，有新用户登录
S2C_UserAction msgNewUser = new S2C_UserAction(user, UserAction.Login);
foreach (User u in _userList)
{
if (u.UserName == user.UserName) //如果是自己，发送所有在线用户列表
{
this.SendMessage(new S2C_UserListMessage(_userList), u.NetPoint);
}
else
{
this.SendMessage(msgNewUser, u.NetPoint);
}
}
}
else if (msgType == typeof(C2S_LogoutMessage))
{
C2S_LogoutMessage lgoutMsg = (C2S_LogoutMessage)msgObject;
DoWriteLog(string.Format("用户'{0}'已登出!", lgoutMsg.FromUserName));
// 从列表中删除用户
User logoutUser = _userList.Find(lgoutMsg.FromUserName);
if (logoutUser != null)
{
_userList.Remove(logoutUser);
}
this.DoUserChanged(_userList);
//通知所有人，有用户登出
S2C_UserAction msgNewUser = new S2C_UserAction(logoutUser, UserAction.Logout);
foreach (User u in _userList)
{
this.SendMessage(msgNewUser, u.NetPoint);
}
}
else if (msgType == typeof(C2S_HolePunchingRequestMessage))
{
//接收到A给B打洞的消息,打洞请求，由客户端发送给服务器端
C2S_HolePunchingRequestMessage msgHoleReq = (C2S_HolePunchingRequestMessage)msgObject;
User userA = _userList.Find(msgHoleReq.FromUserName);
User userB = _userList.Find(msgHoleReq.ToUserName);
// 发送打洞(Punching Hole)消息
DoWriteLog(string.Format("用户:[{0} IP:{1}]想与[{2} IP:{3}]建立对话通道.",
userA.UserName, userA.NetPoint.ToString(),
userB.UserName, userB.NetPoint.ToString()));
//由Server发送消息给B,将A的IP的IP地址信息告诉B,然后由B发送一个测试消息给A.
S2C_HolePunchingMessage msgHolePunching = new S2C_HolePunchingMessage(_remotePoint);
this.SendMessage(msgHolePunching, userB.NetPoint); //Server->B
}
else if (msgType == typeof(C2S_GetUsersMessage))
{
// 发送当前用户信息
S2C_UserListMessage srvResMsg = new S2C_UserListMessage(_userList);
this.SendMessage(srvResMsg, _remotePoint);
}
}
catch (Exception ex) { DoWriteLog(ex.Message); }
}
}
//运行线程
private void Run()
{
try
{
byte[] buffer;//接受数据用
while (true)
{
buffer = _client.Receive(ref _remotePoint);//_remotePoint变量返回当前连接的用户IP地址
object msgObj = ObjectSerializer.Deserialize(buffer);
Type msgType = msgObj.GetType();
DoWriteLog("接收到消息:" + msgType.ToString() + " From:" + _remotePoint.ToString());
if (msgType == typeof(S2C_UserListMessage))
{
// 更新用户列表
S2C_UserListMessage usersMsg = (S2C_UserListMessage)msgObj;
_userList.Clear();
foreach (User user in usersMsg.UserList)
{
_userList.Add(user);
}
this.DisplayUsers(_userList);
}
else if (msgType == typeof(S2C_UserAction))
{
//用户动作，新用户登录/用户登出
S2C_UserAction msgAction = (S2C_UserAction)msgObj;
if (msgAction.Action == UserAction.Login)
{
_userList.Add(msgAction.User);
this.DisplayUsers(_userList);
}
else if (msgAction.Action == UserAction.Logout)
{
User user = _userList.Find(msgAction.User.UserName);
if (user != null)
{
_userList.Remove(user);
}
this.DisplayUsers(_userList);
}
}
else if (msgType == typeof(S2C_HolePunchingMessage))
{
//接受到服务器的打洞命令
S2C_HolePunchingMessage msgHolePunching = (S2C_HolePunchingMessage)msgObj;
//NAT-B的用户给NAT-A的用户发送消息,此时UDP包肯定会被NAT-A丢弃，
//因为NAT-A上并没有A->NAT-B的合法Session, 但是现在NAT-B上就建立了有B->NAT-A的合法session了!
P2P_HolePunchingTestMessage msgTest = new P2P_HolePunchingTestMessage(_LocalUserName);
this.SendMessage(msgTest, msgHolePunching.RemotePoint);
}
else if (msgType == typeof(P2P_HolePunchingTestMessage))
{
//UDP打洞测试消息
//_HoleAccepted = true;
P2P_HolePunchingTestMessage msgTest = (P2P_HolePunchingTestMessage)msgObj;
UpdateConnection(msgTest.UserName, _remotePoint);
//发送确认消息
P2P_HolePunchingResponse response = new P2P_HolePunchingResponse(_LocalUserName);
this.SendMessage(response, _remotePoint);
}
else if (msgType == typeof(P2P_HolePunchingResponse))
{
//_HoleAccepted = true;//打洞成功
P2P_HolePunchingResponse msg = msgObj as P2P_HolePunchingResponse;
UpdateConnection(msg.UserName, _remotePoint);
}
else if (msgType == typeof(P2P_TalkMessage))
{
//用户间对话消息
P2P_TalkMessage workMsg = (P2P_TalkMessage)msgObj;
DoWriteLog(workMsg.Message);
}
else
{
DoWriteLog("收到未知消息!");
}
}
}
catch (Exception ex) { DoWriteLog(ex.Message); }
}