/// <summary>
/// 服务端收到数据
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void AsyncNetUdpServer_UdpPacketArrived(object sender, UdpPacketArrivedEventArgs e)
{
String dataJson = AesEncrypt.Decrypt(Program.AppSettings.ControlKey, e.PacketData).TrimEnd('\0');
Program.Logger.Log("UdpSocketServer", $"UdpPacketArrived=>{e.RemoteEndPoint.Address}:{e.RemoteEndPoint.Port}=>{dataJson}");
if (String.IsNullOrWhiteSpace(dataJson) || dataJson.IndexOf("ActionId") < 0 || dataJson.IndexOf("ActionName") < 0)
{
this.AsyncNetUdpServer.Post($"UnknownDataPacket,Logged\"{e.RemoteEndPoint.Address}:{e.RemoteEndPoint.Port}\"".GetBytes_Utf8(), e.RemoteEndPoint);
return;
}
Entity.UdpSocketPacketRecive packet = null;
try { packet = JsonConvert.DeserializeObject <Entity.UdpSocketPacketRecive>(dataJson); } catch {}
if (packet == null)
{
this.AsyncNetUdpServer.Post($"UnknownDataPacket,Logged\"{e.RemoteEndPoint.Address}:{e.RemoteEndPoint.Port}\"".GetBytes_Utf8(), e.RemoteEndPoint);
return;
}
switch (packet.ActionId)
{
case 1: this.PacketAction1(e.RemoteEndPoint); break;
case 2: this.PacketAction2(e.RemoteEndPoint); break;
case 1001: this.PacketAction1001(e.RemoteEndPoint); break;
case 1002: this.PacketAction1002(e.RemoteEndPoint); break;
case 1003: this.PacketAction1003(e.RemoteEndPoint, packet); break;
case 1004: this.PacketAction1004(e.RemoteEndPoint); break;
case 1005: this.PacketAction1005(e.RemoteEndPoint, packet); break;
}
}
/// <summary>
/// 套接字接收数据
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void AsyncNetUdpClient_UdpPacketArrived(object sender, UdpPacketArrivedEventArgs e)
{
this.ViewModel.ByteRecv += e.PacketData.Length;
if (!Helper.AesEncrypt.Decrypt(this.ViewModel.Key, e.PacketData, out String s1))
{
this.ViewModel.OutputString = $"套接字接收数据=>无法解析"; return;
}
String json = s1.TrimEnd('\0');
this.ViewModel.OutputString = $"套接字接收数据=>{json}";
dynamic d1 = Newtonsoft.Json.JsonConvert.DeserializeObject(json);
if (d1.ActionId == null || d1.ActionId < 1 || d1.ErrorCode == null || d1.ErrorCode > 0)
{
return;
}
switch ((Int32)d1.ActionId)
{
case 1: this.Connected = true; this.ViewModel.Window.Dispatcher.InvokeAsync(() => { System.Windows.Input.CommandManager.InvalidateRequerySuggested(); }); break;
case 1001: this.ViewModel.OutputString = "指令已完成=>FetchUnits"; break;
case 1002: this.ViewModel.OutputString = "指令已完成=>StartAllUnits"; break;
case 1003: this.ViewModel.OutputString = "指令已完成=>StartUnit"; break;
case 1004: this.ViewModel.OutputString = "指令已完成=>StopAllUnits"; break;
case 1005: this.ViewModel.OutputString = "指令已完成=>StopUnit"; break;
}
}
/// <summary>
/// 通过心跳把客户端的通信IP和端口号存入数据库，然后有新消息的时候就发送
/// </summary>
/// <param name="e"></param>
private void UdpPacketArrive(UdpPacketArrivedEventArgs e)
{
try
{
string msg = Encoding.UTF8.GetString(e.PacketData);
var m = JsonConvert.DeserializeObject <MessageModel>(msg);
//判断用户是否已经登录
if (!IsLogin(m.FromUid))
{
return;
}
//获取我的消息
GetMyMsg(m.FromUid, m.ToUid, e);
//如果不是心跳包则新消息入库并立即发送
if (!m.Msg.Equals("heart"))
{
//入库并响应客户端
ResponseToClientIfMsgSendSuccess(SaveMsg(m), m.id, e);
//立即把消息发给朋友
SendMsg(m);
}
else
{
//更新通信IP、端口
UserInfoBLL.UpdateUdpEndPoint(e.RemoteEndPoint.Address.ToString(), e.RemoteEndPoint.Port, m.FromUid);
}
}
catch (Exception ex)
{
Console.WriteLine(ex.StackTrace + ex.Message);
}
}
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);
}
}
private void ResponseToClientIfMsgSendSuccess(bool v, string id, UdpPacketArrivedEventArgs e)
{
string flat = "fail";
if (v)
{
flat = "ok";
}
var msgModel = new MessagesModel
{
id = id,
msg = flat,
read_state = -99//标志这条消息是系统自动发送,是判断客户端的消息是否成功发送的标志
};
var list = new List <MessagesModel> {
msgModel
};
var jsonMsg = JsonConvert.SerializeObject(list);
mUdpServer.Post(Encoding.UTF8.GetBytes(jsonMsg), e.RemoteEndPoint);
}
protected virtual void OnUdpPacketArrived(UdpPacketArrivedEventArgs e)
{
this.UdpPacketArrived?.Invoke(this, e);
}
