/// <summary>
/// 处理接收过来的数据，msg 为json类型
/// </summary>
/// <param name="msg"></param>
/// <param name="remoteIPEndPoint"></param>
private void handleMsg(string msgStr, IPEndPoint remoteIPEndPoint)
{
//{
// "from":"username",
// "to":"username",
// "type":"text/img/file",
// "content":"......"
//}
//获取消息类
MyMessage receiveMsg = JsonConvert.DeserializeObject <MyMessage>(msgStr);
switch (receiveMsg.type)
{
case "heart":
//心跳包
MyIPEndPoint myIPEndPoint = new MyIPEndPoint();
myIPEndPoint.ip = remoteIPEndPoint.Address.ToString();
myIPEndPoint.port = remoteIPEndPoint.Port;
myIPEndPoint.createTime = System.DateTime.Now;
OnlineUsers onlineUsers = OnlineUsers.getInstance();
onlineUsers.users.AddOrUpdate(receiveMsg.from, myIPEndPoint, (k, v) => v);
//将在线用户的信息反馈给用户
//构造消息
MyMessage msgObject = new MyMessage();
msgObject.from = "server";
msgObject.to = "client";
msgObject.type = "heartFeedBack";
msgObject.content = "";
msgObject.users = onlineUsers.users;
sendMsg(msgObject, remoteIPEndPoint);
Console.WriteLine("server send:" + JsonConvert.SerializeObject(msgObject));
break;
case "login":
//测试阶段 登录不验证账号密码
MyMessage feedBackMsg = new MyMessage();
feedBackMsg.from = "server";
feedBackMsg.to = receiveMsg.from;
feedBackMsg.type = "login";
feedBackMsg.content = "true";
sendMsg(feedBackMsg, remoteIPEndPoint);
break;
case "register":
break;
}
}
public void refresh()
{
while (true)
{
DateTime now = System.DateTime.Now;
//遍历在线用户，排除长时间没有发送心跳包的用户
foreach (KeyValuePair <string, MyIPEndPoint> keyValuePair in OnlineUsers.getInstance().users)
{
DateTime createTime = keyValuePair.Value.createTime;
if (now.Second - createTime.Second > HEART_BEAT_TIME)
{
MyIPEndPoint ipendPoint = new MyIPEndPoint();
//删除
OnlineUsers.getInstance().users.TryRemove(keyValuePair.Key, out ipendPoint);
}
}
Thread.Sleep(REFRESH_ONLINE_USERS_SLEEP_TIME);
}
}
