private void InitUdp()
{
udp = new UdpComm();
udp.onReceiveData += new EventHandler <ReceiveDataEventArgs>(ReceiveUdpData);
udp.StartListen();
}
public AlarmPageViewModel()
{
alarmLamp = new AlarmLamp();
ope = new AlarmInfoOperator();
ClearAlarmListCommand = new DelegateCommand(ClearAlamList);
this.AlarmInfos = new ObservableCollection <AlarmInfo>();
if (App.Current == null)
{
return;
}
if (this.ControlPads == null)
{
this.ControlPads = ControlPad.GetAllControlPads();
}
//此处需判断是不是服务器
Task.Run(() =>
{
//获取服务器
XDocument doc = XDocument.Load("Application.config");
var server = doc.Descendants("server").Single();
string serverIP = server.Attribute("ip").Value;
int serverPort = int.Parse(server.Attribute("port").Value);
//获取客户机
var clients = doc.Descendants("clients").Descendants("client");
//获取本机IPv4地址
string name = Dns.GetHostName();
IPAddress[] ipadrlist = Dns.GetHostAddresses(name);
//判断是否包含服务器的IP地址
bool b = ipadrlist.Contains(IPAddress.Parse(serverIP));
if (b)
{
//如果是服务器才向控制板发送数据
foreach (var controlpad in this.ControlPads)
{
CameraList.AddRange(controlpad.GetCameras());
try
{
ControlPad pad = new ControlPad(controlpad.Id, (AlarmInfo[] info, ControlPadState[] states) =>
{
App.Current.Dispatcher.Invoke(() =>
{
//对于5个信息区都进行搜索,不判断标志位
for (int i = 0; i < 5; i++)
{
if (!IsEmpty(info[i]))
{
if (controlpad != null)
{
var camera = CameraList.SingleOrDefault(c => c.Id == info[i].CameraNo &&
c.ControlPadNo == controlpad.Id);
if (camera != null)
{
info[i].CameraName = camera.Name;
}
}
AlarmInfos.Insert(0, info[i]);
//始终保持界面上的报警记录不得多于50条
if (AlarmInfos.Count == 50 + 1)
{
AlarmInfos.RemoveAt(AlarmInfos.Count - 1);
}
//向报警器串口发送命令
Task.Run(() =>
{
alarmLamp.AlarmMusicAndFlash();
Thread.Sleep(2000);
alarmLamp.StopAllAlarm();
});
CurrentItem = info[i];
//向其他客户机发送报警数据
if (clients.Count() > 0)
{
foreach (var client in clients)
{
string IP = client.Attribute("ip").Value;
int port = int.Parse(client.Attribute("port").Value);
if (IP != serverIP)
{
UdpComm comm = new UdpComm(IP, port);
XmlSerializer xs = new XmlSerializer(typeof(AlarmInfo));
var ms = new MemoryStream();
xs.Serialize(ms, CurrentItem);
comm.SendData(ms.ToArray());
ms.Close();
ms.Dispose();
}
}
}
//写入数据库
ope.Add(ope.AlarmInfoToAlarmInfoForDB(controlpad.Id, controlpad.Name, info[i]));
}
}
});
});
}
catch (Exception ex)
{
App.Current.Dispatcher.Invoke(() =>
{
ModernDialog.ShowMessage(ex.Message, "提示", MessageBoxButton.OK);
});
}
}
}
else
{
//如果不是服务器，开启线程来接受服务器发来的报警信息
Task.Run(() =>
{
//先找到本机的IP和端口
foreach (var client in clients)
{
string IP = client.Attribute("ip").Value;
int port = int.Parse(client.Attribute("port").Value);
if (ipadrlist.Contains(IPAddress.Parse(IP)))
{
//找到本机
Task.Run(() =>
{
UdpComm comm = new UdpComm(port);
XmlSerializer xs = new XmlSerializer(typeof(AlarmInfo));
while (true)
{
byte[] data = comm.Receive(serverIP, serverPort);
App.Current.Dispatcher.Invoke(() =>
{
using (var ms = new MemoryStream())
{
ms.Write(data, 0, data.Length);
ms.Position = 0;
AlarmInfos.Add(xs.Deserialize(ms) as AlarmInfo);
}
});
}
});
break;
}
}
});
}
});
}
