public GCDevice AddDevice(string folder)
{
GCError.ClearLastError();
// check if the folder contains a device
if (!FolderControl.IsDevicePath(folder))
{
GCError.SetLastError("Invalid device folder.");
return(null);
}
// load device information from DeviceDir file
GCDevice device = FolderControl.LoadDevice(folder);
if (device == null)
{
GCError.SetLastError("Invalid device index file.");
return(null);
}
// check whether a same device has already been installed
// (if we do not do this, license control on max interface count will be useless.
if (DeviceTable.HasSameDevice(device))
{
GCError.SetLastError("Device (Type: " + device.Directory.Header.Type.ToString()
+ ", Direction: " + device.Directory.Header.Direction.ToString()
+ ") has already been installed.");
return(null);
}
// insert device information into database
if (!DeviceTable.InsertDevice(device))
{
GCError.SetLastError("Insert database failed.");
return(null);
}
// get device id for return;
device.DeviceID = DeviceTable.GetMaxID();
if (device.DeviceID < 1)
{
GCError.SetLastError("Invalid device ID.");
return(null);
}
// create device folder
string folderName = DevicesFolder + "\\" + device.DeviceName;
try
{
FolderControl.DeleteDevice(folderName); //according to defect EK_HI00045030 , 2006/11/20
Directory.CreateDirectory(folderName);
}
catch (Exception err)
{
GCError.SetLastError(err);
GCError.SetLastError("Cannot create directory " + folderName);
DeviceTable.DeleteDevice(device.DeviceID);
return(null);
}
// copy device files
string sourceFile = "";
string targetFile = "";
try
{
sourceFile = device.FolderPath + "\\" + DeviceDirManager.IndexFileName;
targetFile = folderName + "\\" + DeviceDirManager.IndexFileName;
File.Copy(sourceFile, targetFile);
foreach (DeviceFile f in device.Directory.Files)
{
sourceFile = device.FolderPath + "\\" + f.Location;
targetFile = folderName + "\\" + f.Location;
// support sub folder in device dir
string path = Path.GetDirectoryName(targetFile);
if (!Directory.Exists(path))
{
if (Directory.CreateDirectory(path) == null)
{
GCError.SetLastError("Cannot create folder " + path);
return(null);
}
}
File.Copy(sourceFile, targetFile);
}
}
catch (Exception err)
{
GCError.SetLastError(err);
GCError.SetLastError("Cannot copy file from " + sourceFile + " to " + targetFile);
DeviceTable.DeleteDevice(device.DeviceID);
return(null);
}
// update DeviceDir: save device id
GCDevice newDevice = FolderControl.LoadDevice(folderName);
newDevice.Directory.Header.ID = device.DeviceID.ToString();
if (!FolderControl.SaveDevice(newDevice))
{
GCError.SetLastError("Update device index file failed.");
return(null);
}
// update device record
device.FolderPath = folderName;
if (!DeviceTable.UpdateDevice(device))
{
GCError.SetLastError("Update database failed.");
return(null);
}
return(device);
}