private void NodeReceiver_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
BackgroundWorker worker = sender as BackgroundWorker;
if (e.Cancelled)
{
ConnNodeBtn.Text = "连接节点";
bConnect = false;
Tclient.Close();
Dclient.Close();
AddtoBox(Color.Black, "数据接收取消!\n/>");
}
else if (e.Error != null)
{
ConnNodeBtn.Text = "连接节点";
AddtoBox(Color.Black, "数据接收中断!\n/>");
Dclient.Close();
Tclient.Close();
AddtoBox(Color.Black, "错误信息：" + e.Error.ToString() + "\r\n/>");
}
else
{
ConnNodeBtn.Text = "连接节点";
AddtoBox(Color.Black, "数据接收中断!\n/>");
//AddtoBox(Color.Black, "错误号：" + e.Error.ToString() + "\r\n/>");
Dclient.Close();
Tclient.Close();
}
}
private void CommAnsReceiver_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
BackgroundWorker worker = sender as BackgroundWorker;
if (e.Cancelled)
{
ConnNodeBtn.Text = "连接节点";
bConnect = false;
AddtoBox(Color.Black, "Command ans receive Cancelled!\r\n/>");
}
else if (!bConnect)
{
ConnNodeBtn.Text = "连接节点";
Tclient.Close();
Dclient.Close();
}
}
private void NodeLinker_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
BackgroundWorker worker = sender as BackgroundWorker;
if (e.Cancelled)
{
ConnNodeBtn.Text = "连接节点";
string errstring = "操作已被取消！";
SendStatusLabel(errstring);
AddtoBox(Color.Black, errstring + "\r\n");
bConnect = false;
Tclient.Close();
Dclient.Close();
}
else if (e.Result != null)
{
ConnNodeBtn.Text = "连接节点";
string errstring = " 操作失败！" + "错误号：" + e.Result.ToString();
SendStatusLabel(errstring);
AddtoBox(Color.Black, errstring + "\r\n");
bConnect = false;
Tclient.Close();
Dclient.Close();
}
else
{
bConnect = true;
ConnNodeBtn.Text = "断开连接";
SendStatusLabel("已连接节点");
AddtoBox(Color.Black, "已连接节点\r\n");
if (Tclient.Connected)
{
networkdata data = new networkdata();
data.DataType = 0;
CommAnsReceiver.RunWorkerAsync(data);
}
if (Dclient.Connected)
{
networkdata data = new networkdata();
data.DataType = 1;
NodeReceiver.RunWorkerAsync(data);
}
}
}
private void AvailabilityChangedCallback(object sender, EventArgs e)
{
NetworkAvailabilityEventArgs myEg = (NetworkAvailabilityEventArgs)e;
if (!myEg.IsAvailable)
{
if (Tclient == null || Dclient == null)
{
return;
}
if (Tclient.Client != null)
{
if (Tclient.Connected)
{
Tstream.Close();
Tclient.Close();
}
}
else
{
Tclient.Close();
}
if (Dclient.Client != null)
{
if (Dclient.Connected)
{
Dstream.Close();
Dclient.Close();
}
}
else
{
Dclient.Close();
}
if (DLoadDataWorker.IsBusy)
{
DLoadDataWorker.CancelAsync();
ACPacketHandle.Set();
}
MessageBox.Show("网络状态出错，请检查网络！");
bConnect = false;
}
}
public void ConnNodeBtn_Click(object sender, EventArgs e)
{
//开始连接
if (ConnNodeBtn.Text == "连接节点")
{
IPCollections Icf = new IPCollections();
//读取节点
XmlDocument xmlfile = new XmlDocument();
xmlfile.Load(xmldoc);
string strip;
XmlNode xn = xmlfile.DocumentElement;
xn = xn.SelectSingleNode("descendant::节点配置");
foreach (XmlNode subnode in xn.ChildNodes)
{
string[] ip = { "节点配置", subnode.Name, "网络配置", "节点IP" };
strip = XmlHelper.GetConfigValue(xmldoc, ip);
Icf.IPList.Items.Add(subnode.Name + " " + strip);
}
if (Icf.ShowDialog() == DialogResult.OK)
{
int g = Icf.IPList.CheckedIndices[0];
string[] str = Icf.IPList.Items[g].ToString().Split(' ');
IPAddress Nodeip = IPAddress.Parse(str[1]);
ConnectNode(Nodeip);
}
Icf.Dispose();
}
//取消连接
else
{
bConnect = false;
this.NodeLinker.CancelAsync();
this.NodeReceiver.CancelAsync();
this.CommAnsReceiver.CancelAsync();
if (Tclient.Client != null)
{
if (Tclient.Connected)
{
Tstream.Close();
Tclient.Close();
}
}
else
{
Tclient.Close();
}
if (Dclient.Client != null)
{
if (Dclient.Connected)
{
Dstream.Close();
Dclient.Close();
}
}
else
{
Dclient.Close();
}
SendStatusLabel("未连接节点");
ConnNodeBtn.Text = "连接节点";
AddtoBox(Color.Black, "与节点断开\r\n");
bConnect = false;
}
}