private (string, string, int) InquiryHikvisionWebCamera()
{
string deviceType = string.Empty;
string name = string.Empty;
string ip = string.Empty;
int port = 0;
string mac = string.Empty;
string msg = string.Empty;
IPEndPoint ipend = new IPEndPoint(IPAddress.Any, 0);
using (UdpClient client = new UdpClient(ipend))
{
client.Client.ReceiveTimeout = 1000;
client.EnableBroadcast = false;
client.JoinMulticastGroup(IPAddress.Parse("239.255.255.250"));
IPEndPoint multicast = new IPEndPoint(IPAddress.Parse("239.255.255.250"), 37020);
var uuid = Guid.NewGuid().ToString().ToUpper();
msg = $"<?xml version=\"1.0\" encoding=\"utf-8\"?><Probe><Uuid>{uuid}</Uuid><Types>inquiry</Types></Probe>";
byte[] buf = Encoding.Default.GetBytes(msg);
Console.WriteLine("Send Message :" + msg);
client.Send(buf, buf.Length, multicast);
while (true)
{
try
{
buf = client.Receive(ref multicast);
msg = Encoding.Default.GetString(buf);
XmlDocument doc = new XmlDocument();
doc.LoadXml(msg);
XmlNodeList nodes = doc.DocumentElement.ChildNodes;
foreach (XmlNode node in nodes)
{
Console.WriteLine(node.Name + ": " + node.InnerText);
switch (node.Name)
{
case "DeviceType":
deviceType = node.InnerText;
break;
case "DeviceDescription":
name = node.InnerText;
break;
case "DeviceSN":
break;
case "IPv4Address":
ip = node.InnerText;
break;
case "CommandPort":
port = Convert.ToInt32(node.InnerText);
break;
case "MAC":
mac = node.InnerText;
break;
case "Encrypt":
break;
default:
break;
}
}
}
catch(System.Net.Sockets.SocketException ex)
{
Console.WriteLine(ex.Message);
if (ex.SocketErrorCode == SocketError.TimedOut)
{
break;
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
finally
{
buf = null;
}
}
client.Close();
}
if (deviceType.Equals("10110"))
{
return (name, ip, port);
}
else
{
return (string.Empty, string.Empty, 0);
}
}
private void button1_Click(object sender, EventArgs e)
{
(string name, string ip, int port) retVal = InquiryHikvisionWebCamera();
if (!retVal.name.Equals(string.Empty))
{
this.textBox1.Text = retVal.name;
this.textBox2.Text = retVal.ip;
this.textBox3.Text = retVal.port.ToString();
}
}
源代码文章来源:https://www.toymoban.com/news/detail-694750.html
https://download.csdn.net/download/syukugai/88299251文章来源地址https://www.toymoban.com/news/detail-694750.html
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