private bool SaveMsg(MessageModel m)
{
//这是表的Model，跟MessageModel不一样，MessageModel是自定义的消息结构
//if (MessagesBLL.Exist(m.id)) return true;
MessagesModel tableMessages = new MessagesModel
{
id = m.id,
uid = m.FromUid,
to_uid = m.ToUid ?? "0",
msg = m.Msg
};
try
{
return(MessagesBLL.Add(tableMessages) > 0);
}
catch (MySqlException e)
{
if (e.Message.Contains("Duplicate entry"))
{
return(true);
}
}
return(false);
}
public string CheckNewMsg(string toUid)
{
if (!string.IsNullOrEmpty(toUid))
{
return(MessagesBLL.CheckNewMsg(toUid));
}
return("0");
}
public string ConfirmMsg(string msgids)
{
if (!string.IsNullOrEmpty(msgids))
{
return(MessagesBLL.UpdateReadStateBatchByMsgIds(1, msgids).ToString());
}
return("false");
}
private void GetMyMsg(string fromuid, string touid, UdpPacketArrivedEventArgs e)
{
var dtMsg = MessagesBLL.GetMessages(fromuid, touid);
if (dtMsg != null && dtMsg.Rows.Count > 0)
{
var jsonMsg = JsonConvert.SerializeObject(dtMsg);
mUdpServer.Post(Encoding.UTF8.GetBytes(jsonMsg), e.RemoteEndPoint);
}
}
public string GetNewMsg(string toUid)
{
if (!string.IsNullOrEmpty(toUid))
{
var dt = MessagesBLL.GetNewMsg(toUid);
if (dt != null && dt.Rows.Count > 0)
{
return(Newtonsoft.Json.JsonConvert.SerializeObject(dt));
}
}
return("");
}
public Resolver()
{
GetLogger = new ComLogger();
daoUsers = new UsersDAL(GetLogger);
daoFriends = new FriendsDAL(GetLogger);
daoMessages = new MessagesDAL(GetLogger);
daoSecurityData = new SecurityDataDAL(GetLogger);
GetBloUsers = new UsersBLL(GetLogger, daoUsers);
GetBloFriends = new FriendsBLL(GetLogger, daoFriends);
GetBloMessages = new MessagesBLL(GetLogger, daoMessages);
GetBloSecurityData = new SecurityDataBLL(GetLogger, daoSecurityData);
}
public PersonalSender()
{
var sendThread = new Thread(() =>
{
var i = 0;
while (true)
{
i++;
//每循环一千次暂停2秒，避免CPU使用过高
if (GetMessageCount() <= 0 || i % 1000 == 0)
{
Thread.Sleep(2000);
i = 1;
}
if (GetMessageCount() <= 0)
{
continue;
}
var msg = MessageQueue.msgQueuePersonal.Dequeue();
try
{
var model = JsonConvert.DeserializeObject <MessageModel>(msg);
var toUser = CacheManage.UserCache.GetUser(model.ToUid);
if (toUser != null)
{
if (!SendMessage(msg, toUser))
{
MessagesBLL.UpdateReadState(0, model.id);
}
}
else
{
MessagesBLL.UpdateReadState(0, model.id);
Console.WriteLine("to user is null");
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
});
sendThread.Start();
}
private void SendMsg(MessageModel m)
{
if (m.ToUid != null && m.ToUid != "")
{
UserInfoModel userInfoModel = UserInfoBLL.GetModel(int.Parse(m.ToUid));
if (userInfoModel != null &&
!string.IsNullOrEmpty(userInfoModel.udpip) &&
!string.IsNullOrEmpty(userInfoModel.udp_port))
{
//如果客户端的通信端口信息已经超过30分钟不更新了则不再发送消息，因为超过30分钟理论上已经关闭了
var timeDiff = (DateTime.Now - userInfoModel.create_date.Value).TotalMinutes;
if (timeDiff <= 30)
{
var dtMsg = MessagesBLL.GetMessages(m.ToUid, m.FromUid);
if (dtMsg != null && dtMsg.Rows.Count > 0)
{
var jsonMsg = JsonConvert.SerializeObject(dtMsg);
var ipEndPoint = new IPEndPoint(IPAddress.Parse(userInfoModel.udpip), int.Parse(userInfoModel.udp_port));
mUdpServer.Post(Encoding.UTF8.GetBytes(jsonMsg), ipEndPoint);
}
}
}
}
}
