/// <summary>
/// 装载Vdx文件并显示面板图
/// </summary>
/// <param name="EqOid"></param>
private void LoadVdxFile(string EqOid)
{
string vdxFilePath = string.Empty;
//从文件目录读取面板图文件
if (File.Exists(System.IO.Path.Combine(System.IO.Path.GetFullPath(AppDomain.CurrentDomain.BaseDirectory), ("panel\\" + EqOid + ".vdx"))))
{
Log.WriteLog("开始从文件装载面板图...");
this.VdxFile = System.IO.Path.Combine(System.IO.Path.GetFullPath(AppDomain.CurrentDomain.BaseDirectory), ("panel\\" + EqOid + ".vdx"));
return;
}
//从图库读取面板图文件
VdxManager vdxManager = new VdxManager();
EquipVdx eqVdx = new EquipVdx();
eqVdx.Sysoid = EqOid;
if (vdxManager.ReadVdxInfo(ref eqVdx))
{
Log.WriteLog("开始从图库装载面板图...");
if (!File.Exists(eqVdx.tempFileName))
{
Log.WriteLog("装载面板图失败!文件不存在:" + eqVdx.tempFileName);
return;
}
this.VdxFile = eqVdx.tempFileName;
//File.Delete(eqVdx.tempFileName);
}
else
{
this.Document.Text = "面板图文件不存在！";
this.Document.Font = new Font("", 12.0f, FontStyle.Bold);
return;
}
}
/// <summary>
/// 解包设备Vdx
/// </summary>
/// <param name="VdxFileName">解包出来的Vdx文件信息</param>
/// <returns>解包成功返回true,失败返回false</returns>
private bool ReadVdxFromPackage(ref EquipVdx equipVdx)
{
try
{
string FilePath = Path.Combine(Path.GetFullPath(AppDomain.CurrentDomain.BaseDirectory), "data\\SiteViewVdx.mpg");
string vdxFilePath = Path.Combine(Path.GetFullPath(AppDomain.CurrentDomain.BaseDirectory), ("data\\" + equipVdx.FileName));
using (FileStream packStream = File.OpenRead(FilePath))
{
//从包中取出
byte[] packVdx = new byte[packStream.Length];
int size = packStream.Read(packVdx, 0, packVdx.Length);
using (FileStream coStream = File.Create("c:\\VisioCo.tmp"))
{
//解密
FileStream enStream = File.Create("c:\\VisioEn.tmp");
enStream.Write(packVdx, Convert.ToInt32(equipVdx.PackIndex), Convert.ToInt32(equipVdx.PackLength));
enStream.Flush();
enStream.Close();
byte[] coVdx = new byte[equipVdx.PackLength];
enStream = File.OpenRead("c:\\VisioEn.tmp");
enStream.Read(coVdx, 0, coVdx.Length);
byte[] enVdx;
if (!DataManager.Decrypt(coVdx, out enVdx))
{
return false;
}
coStream.Write(enVdx, 0, enVdx.Length);
//解压缩文件
coStream.Position = 0;
using (FileStream outStream = File.Create(vdxFilePath))
{
if (!DataManager.Decompress(coStream, outStream))
{
return false;
}
outStream.Close();
}
equipVdx.tempFileName = vdxFilePath;
enStream.Dispose();
coStream.Close();
}
}
File.Delete("c:\\VisioCo.tmp");
File.Delete("c:\\VisioEn.tmp");
}
catch (Exception ex)
{
Log.WriteLog("解包设备信息出错！错误： " + ex.ToString());
return false;
}
return true;
}
/// <summary>
/// 根据设备oid号,从数据库中返回设备信息
/// </summary>
/// <param name="Sysoid">设备OID</param>
/// <param name="EquipVdx">设备信息</param>
/// <returns>读取成功返回true,失败返回false</returns>
public bool ReadVdxInfo(ref EquipVdx equipVdx)
{
try
{
//清理历史vdx文件
foreach (string vdx in Directory.GetFiles(Path.Combine(Path.GetFullPath(AppDomain.CurrentDomain.BaseDirectory), "data\\"), "*.vdx"))
{
File.Delete(vdx);
}
string FilePath = Path.Combine(Path.GetFullPath(AppDomain.CurrentDomain.BaseDirectory), "data\\SiteViewVdx.dat");
string tempFilePath = "c:\\SiteView.tmp";
FileStream inStream = File.OpenRead(FilePath);
FileStream outStream = File.Create(tempFilePath);
DataManager.Decompress(inStream, outStream);
using (FileStream VdxStream = new FileStream(tempFilePath, FileMode.OpenOrCreate))
{
BinaryFormatter bf = new BinaryFormatter();
EquipVdx[] eqVdx = (EquipVdx[])bf.Deserialize(VdxStream);
for (int i = 0; i < eqVdx.Length; i++)
{
if (eqVdx[i].Sysoid == equipVdx.Sysoid)
{
equipVdx = eqVdx[i];
ReadVdxFromPackage(ref equipVdx);
break;
}
}
VdxStream.Close();
}
}
catch (Exception ex)
{
Log.WriteLog("读取设备信息出错！错误： " + ex.ToString());
return false;
}
return true;
}
/// <summary>
/// 打包设备Vdx文件
/// </summary>
/// <param name="VdxFileName">要打包的Vdx文件信息</param>
/// <returns>打包成功返回true,失败返回false</returns>
private bool WriteVdxToPackage(ref EquipVdx equipVdx, ref FileStream packStream)
{
try
{
//string FilePath = Path.Combine(Path.GetFullPath(AppDomain.CurrentDomain.BaseDirectory), "data\\SiteViewVdx.mpg");
//using (FileStream packStream = new FileStream(FilePath, FileMode.OpenOrCreate))
{
equipVdx.PackIndex = packStream.Length;
//压缩文件
using (FileStream inStream = File.OpenRead(equipVdx.tempFileName))
{
FileStream coStream = File.Create("c:\\VisioCo.tmp");
if (!DataManager.Compress(inStream, coStream))
{
return false;
}
//写入包中
coStream = File.OpenRead("c:\\VisioCo.tmp");
byte[] coVdx = new byte[coStream.Length];
int size = coStream.Read(coVdx, 0, coVdx.Length);
byte[] enVdx;
//加密
if (!DataManager.Encrypt(coVdx, out enVdx))
{
return false;
}
packStream.Position = packStream.Length;
packStream.Write(enVdx, 0, enVdx.Length);
equipVdx.PackLength = enVdx.Length;
inStream.Close();
coStream.Close();
coStream.Dispose();
}
//packStream.Flush();
//packStream.Close();
}
//File.Delete("c:\\VisioEn.tmp");
File.Delete("c:\\VisioCo.tmp");
}
catch (Exception ex)
{
Log.WriteLog("打包设备信息出错！错误： " + ex.ToString());
return false;
}
return true;
}
/// <summary>
/// 把设备信息写入到数据库中
/// </summary>
/// <param name="EquipVdx">设备信息数组</param>
/// <returns>写入成功返回true,失败返回false</returns>
public bool WriteVdxInfo(EquipVdx[] equipVdx)
{
try
{
string FilePath = Path.Combine(Path.GetFullPath(AppDomain.CurrentDomain.BaseDirectory), "data\\SiteViewVdx.dat");
if (File.Exists(FilePath))
{
File.Delete(FilePath);
}
string FilePath_mpg = Path.Combine(Path.GetFullPath(AppDomain.CurrentDomain.BaseDirectory), "data\\SiteViewVdx.mpg");
if (File.Exists(FilePath_mpg))
{
File.Delete(FilePath_mpg);
}
using (FileStream VdxStream = new FileStream(FilePath, FileMode.OpenOrCreate))
{
FileStream packStream = new FileStream(FilePath_mpg, FileMode.OpenOrCreate);
ProgressBar.Visible = true;
ProgressBar.Value = 0;
int length = equipVdx.Length;
int step = ProgressBar.Maximum / length;
for (int i = 0; i < length; i++)
{
//
WriteVdxToPackage(ref equipVdx[i], ref packStream);
ProgressBar.Value += step;
PackInfo.Text = (i + 1) + "/" + length.ToString();
Application.DoEvents();
}
BinaryFormatter bf = new BinaryFormatter();
bf.Serialize(VdxStream, equipVdx);
VdxStream.Close();
packStream.Flush();
packStream.Close();
packStream.Dispose();
ProgressBar.Value = ProgressBar.Maximum;
ProgressBar.Visible = false;
PackInfo.Text = string.Empty;
}
//压缩dat文件
string tempFilePath = "c:\\SiteView.tmp";
FileStream inStream = File.OpenRead(FilePath);
FileStream outStream = File.Create(tempFilePath);
DataManager.Compress(inStream, outStream);
inStream.Close();
outStream.Close();
File.Delete(FilePath);
File.Move(tempFilePath, FilePath);
}
catch (Exception ex)
{
Log.WriteLog("写入设备信息出错！错误： " + ex.ToString());
ProgressBar.Visible = false;
return false;
}
return true;
}
