private void FilmsBdFrid_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
try
{
if (FilmsBdFrid.SelectedItem != null)
{
FilmsClass film = FilmsBdFrid.SelectedItem as FilmsClass;
FilmsName.Text = film.Name;
FilmsGenre.Text = film.Genre;
FilmsCountry.Text = film.Country;
FilmsDuration.Text = film.Duration;
FilmsDescription.Text = File.ReadAllText(film.DescriptionAndActors);
imageByte = film.Photo;
BitmapImage image = new BitmapImage();
image.BeginInit();
image.StreamSource = new MemoryStream(film.Photo);
image.EndInit();
FilmsImage.Source = image;
}
}
catch
{
Console.WriteLine(e.ToString());
}
}
private void ComboBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
tint = e.ToString();
}
private void cbbSelectEquip_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
Equipment equip = (sender as ComboBox).SelectedItem as Equipment;
string equipName = equip.Name;
int equipID = equip.Index;
IpAddress agentIP = null;
try
{
object strIP = App.DBHelper.returnScalar(string.Format("SELECT IP_Address FROM IPAddress WHERE(IP_EquipID = {0}) AND (IP_IsDefaultIP = 1)", equipID));
if (strIP == null)
{
MessageBox.Show("数据库中没有" + equipName + "的默认管理IP地址");
return;
}
if (IpAddress.IsIP(strIP.ToString()))
{
agentIP = new IpAddress(strIP.ToString());
}
else
{
MessageBox.Show("地址格式错误");
return;
}
}
catch
{
MessageBox.Show("读取数据库出现错误\n" + e.ToString());
}
OctetString community = new OctetString("public");
AgentParameters param = new AgentParameters(community);
// Set SNMP version to 2 (GET-BULK only works with SNMP ver 2 and 3)
param.Version = SnmpVersion.Ver2;
// Construct target
UdpTarget target = new UdpTarget((IPAddress)agentIP, 161, 2000, 1);
// Define Oid that is the root of the MIB
// tree you wish to retrieve
Oid rootOid1 = new Oid("1.3.6.1.2.1.2.2.1.1"); // ifIndex
Oid rootOid2 = new Oid("1.3.6.1.2.1.2.2.1.2"); // ifDescr
// This Oid represents last Oid returned by
// the SNMP agent
Oid lastOid1 = (Oid)rootOid1.Clone();
Oid lastOid2 = (Oid)rootOid2.Clone();
// Pdu class used for all requests
Pdu pdu = new Pdu(PduType.GetBulk);
// In this example, set NonRepeaters value to 0
pdu.NonRepeaters = 0;
// MaxRepetitions tells the agent how many Oid/Value pairs to return
// in the response.
pdu.MaxRepetitions = 5;
// Loop through results
while (lastOid1 != null && lastOid2 != null)
{
// When Pdu class is first constructed, RequestId is set to 0
// and during encoding id will be set to the random value
// for subsequent requests, id will be set to a value that
// needs to be incremented to have unique request ids for each
// packet
if (pdu.RequestId != 0)
{
pdu.RequestId += 1;
}
// Clear Oids from the Pdu class.
pdu.VbList.Clear();
// Initialize request PDU with the last retrieved Oid
pdu.VbList.Add(lastOid1);
pdu.VbList.Add(lastOid2);
// Make SNMP request
SnmpV2Packet result = (SnmpV2Packet)target.Request(pdu, param);
// You should catch exceptions in the Request if using in real application.
// If result is null then agent didn't reply or we couldn't parse the reply.
if (result != null)
{
// ErrorStatus other then 0 is an error returned by
// the Agent - see SnmpConstants for error definitions
if (result.Pdu.ErrorStatus != 0)
{
// agent reported an error with the request
Console.WriteLine("Error in SNMP reply. Error {0} index {1}",
result.Pdu.ErrorStatus,
result.Pdu.ErrorIndex);
MessageBox.Show(string.Format("SNMP应答数据包中有错误。 Error {0} index {1}", result.Pdu.ErrorStatus, result.Pdu.ErrorIndex));
lastOid1 = null;
lastOid2 = null;
break;
}
else
{
// Walk through returned variable bindings
foreach (Vb v in result.Pdu.VbList)
{
// Check that retrieved Oid is "child" of the root OID
if (rootOid1.IsRootOf(v.Oid))
{
if (v.Value.Type == SnmpConstants.SMI_ENDOFMIBVIEW)
{
lastOid1 = null;
}
else
{
lastOid1 = v.Oid;
}
var f = v.Value;
//Interface interface = new Interface(v.Value.,)
}
else if (rootOid2.IsRootOf(v.Oid))
{
if (v.Value.Type == SnmpConstants.SMI_ENDOFMIBVIEW)
{
lastOid2 = null;
}
else
{
lastOid2 = v.Oid;
}
var f = v.Value;
}
else
{
// we have reached the end of the requested
// MIB tree. Set lastOid to null and exit loop
lastOid1 = null;
lastOid2 = null;
}
// if (rootOid.IsRootOf(v.Oid))
// {
// Console.WriteLine("{0} ({1}): {2}",
// v.Oid.ToString(),
// SnmpConstants.GetTypeName(v.Value.Type),
// v.Value.ToString());
// if (v.Value.Type == SnmpConstants.SMI_ENDOFMIBVIEW)
// lastOid = null;
// else
// lastOid = v.Oid;
// }
// else
// {
// // we have reached the end of the requested
// // MIB tree. Set lastOid to null and exit loop
// lastOid = null;
// }
}
}
}
else
{
Console.WriteLine("No response received from SNMP agent.");
}
}
target.Close();
}