/// <summary>
/// 增加端口节点
/// </summary>
/// <param name="HubNode">集线器节点</param>
/// <param name="NodeConnectionInfo">USB设备节点连接信息</param>
private static void AddPortNode(XElement HubNode, UsbNodeConnectionInformation NodeConnectionInfo)
{
String DevicePath = NodeConnectionInfo.DevicePath;
Int32 ConnectionIndex = NodeConnectionInfo.ConnectionIndex;
USB_CONNECTION_STATUS ConnectionStatus = NodeConnectionInfo.ConnectionStatus;
// 创建端口节点
XElement PortNode = new XElement("Port" + ConnectionIndex,
new XAttribute("DevicePath", DevicePath),
new XAttribute("ConnectionIndex", ConnectionIndex),
new XAttribute("ConnectionStatus", NodeConnectionInfo.ConnectionStatus)
);
if (ConnectionStatus == USB_CONNECTION_STATUS.DeviceConnected)
{
Boolean DeviceIsHub = NodeConnectionInfo.DeviceIsHub;
PortNode.Add(new XAttribute("DeviceIsHub", DeviceIsHub),
new XAttribute("CurrentConfigurationValue", NodeConnectionInfo.CurrentConfigurationValue),
new XAttribute("Speed", NodeConnectionInfo.Speed),
new XAttribute("DeviceAddress", NodeConnectionInfo.DeviceAddress),
new XAttribute("NumberOfOpenPipes", NodeConnectionInfo.NumberOfOpenPipes)
);
// 设备描述符信息
AddDeviceDescriptorNode(PortNode, ref NodeConnectionInfo.DeviceDescriptor);
// 管道信息
AddPipeInfoNode(PortNode, ref NodeConnectionInfo.PipeList);
// 外部集线器
if (DeviceIsHub)
{ // 获取外部Hub设备路径
String ExternalHubPath = GetExternalHubPath(DevicePath, ConnectionIndex);
// 增加外部集线器节点
AddHubNode(PortNode, ExternalHubPath, "ExternalHub");
}
}
HubNode.Add(PortNode);
}
public ReadOnlyCollection <USBPort> GetPorts()
{
List <USBPort> list = new List <USBPort>();
IntPtr intPtr = Acer_USB_Library.CreateFile(this.HubDevicePath, 1073741824, 2, IntPtr.Zero, 3, 0, IntPtr.Zero);
if (intPtr.ToInt32() != -1)
{
int num = Marshal.SizeOf(typeof(USB_NODE_CONNECTION_INFORMATION_EX));
IntPtr intPtr2 = Marshal.AllocHGlobal(num);
for (int i = 1; i <= this.HubPortCount; i++)
{
USB_NODE_CONNECTION_INFORMATION_EX uSB_NODE_CONNECTION_INFORMATION_EX = default(USB_NODE_CONNECTION_INFORMATION_EX);
uSB_NODE_CONNECTION_INFORMATION_EX.ConnectionIndex = i;
Marshal.StructureToPtr(uSB_NODE_CONNECTION_INFORMATION_EX, intPtr2, true);
int num2 = default(int);
if (Acer_USB_Library.DeviceIoControl(intPtr, 2229320, intPtr2, num, intPtr2, num, out num2, IntPtr.Zero))
{
uSB_NODE_CONNECTION_INFORMATION_EX = (USB_NODE_CONNECTION_INFORMATION_EX)Marshal.PtrToStructure(intPtr2, typeof(USB_NODE_CONNECTION_INFORMATION_EX));
USBPort uSBPort = new USBPort();
uSBPort.PortPortNumber = i;
uSBPort.PortHubDevicePath = this.HubDevicePath;
USB_CONNECTION_STATUS connectionStatus = (USB_CONNECTION_STATUS)uSB_NODE_CONNECTION_INFORMATION_EX.ConnectionStatus;
uSBPort.PortStatus = connectionStatus.ToString();
USB_DEVICE_SPEED speed = (USB_DEVICE_SPEED)uSB_NODE_CONNECTION_INFORMATION_EX.Speed;
uSBPort.PortSpeed = speed.ToString();
uSBPort.PortIsDeviceConnected = (uSB_NODE_CONNECTION_INFORMATION_EX.ConnectionStatus == 1);
uSBPort.PortIsHub = Convert.ToBoolean(uSB_NODE_CONNECTION_INFORMATION_EX.DeviceIsHub);
uSBPort.PortDeviceDescriptor = uSB_NODE_CONNECTION_INFORMATION_EX.DeviceDescriptor;
list.Add(uSBPort);
}
}
Marshal.FreeHGlobal(intPtr2);
Acer_USB_Library.CloseHandle(intPtr);
}
return(new ReadOnlyCollection <USBPort>(list));
}
