/// <summary> Inquire devices from the surrounding area, uses a native method to achieve good inquiry. </summary>
/// <returns> A <c>DevicePool</c>, in which all the devices are added, if any. </returns>
public DevicePool Inquire()
{
this.dev_id = hci_get_route(IntPtr.Zero);
if( this.dev_id != -1)
{
int sock = hci_open_dev(this.dev_id);
DevicePool pool = new DevicePool();
inquiry_info info = new inquiry_info();
IntPtr devs = IntPtr.Zero;
byte[] lap = new byte[] { 0x33, 0x8b, 0x9e};
int max_rsp = 255;
int length = 8;
int flags = 1;
int count = hci_inquiry(this.dev_id, length, max_rsp, lap, out devs,flags);
if(!(devs==IntPtr.Zero))
{
IntPtr element = devs;
if (count>0)
{
for(int i = 0; i < count;i++)
{
//try
//{
info = (inquiry_info)Marshal.PtrToStructure(element,typeof(inquiry_info));
element = (IntPtr)((int)element+Marshal.SizeOf(typeof(inquiry_info)));
System.Text.StringBuilder bld2 = new System.Text.StringBuilder(248);
monotooth.BluetoothAddress ba = new BluetoothAddress();
ba.Array = info.bdaddr;
if(hci_read_remote_name(sock,ba,bld2.Capacity,bld2,0)==0)
{
LinuxRemoteDevice dev = new LinuxRemoteDevice(ba,bld2.ToString());
pool.Add(dev);
} else {
LinuxRemoteDevice dev = new LinuxRemoteDevice(ba,"NONAME");
pool.Add(dev);
}
}
}
}
close(sock);
return pool;
} else
{
throw new Exception("You do not have a bluetooth device on your system.");
}
}
// Implemented functions from IDevice
public DevicePool Inquire()
{
DevicePool pool = new DevicePool();
IntPtr lpwsaqueryset = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(WSAQUERYSET)));
WSAQUERYSET wsaqueryset = new WSAQUERYSET();
wsaqueryset.dwSize = Marshal.SizeOf(typeof(WSAQUERYSET));
wsaqueryset.dwNameSpace = 16;
WSAData data = new WSAData();
data.wHighVersion = 2;
data.wVersion = 2;
Marshal.StructureToPtr(wsaqueryset,lpwsaqueryset,false);
int flags = (int)0x0002;
flags |= (int)(0x1000|0x0010|0x0100);
Int32 handle = 0;
int result = 0;
result = WSAStartup(36,data);
if(result != 0)
{
throw new Exception("WSA Error, make sure you have the newest version (at least 2.2) of Winsock2!");
}
result = WSALookupServiceBegin(wsaqueryset,flags,ref handle);
if (result == -1)
{
int error = WSAGetLastError();
if (error == 10108) // No device attached
{
throw new Exception("You do not have a bluetooth device on your system.");
}
}
while (0 == result)
{
Int32 dwBuffer = 0x10000;
IntPtr pBuffer = Marshal.AllocHGlobal(dwBuffer);
WSAQUERYSET qsResult = new WSAQUERYSET() ;
result = WSALookupServiceNext(handle, flags,
ref dwBuffer, pBuffer);
if (0==result)
{
Marshal.PtrToStructure(pBuffer, qsResult);
CS_ADDR_INFO addr = new CS_ADDR_INFO();
Marshal.PtrToStructure(qsResult.lpcsaBuffer, addr);
sockaddr sa = new sockaddr();
Marshal.PtrToStructure(addr.RemoteAddr.lpSockaddr,sa);
monotooth.BluetoothAddress ba = new BluetoothAddress();
for (int i = 5; i >= 0; i--)
{
ba.Array[i] = sa.sa_data[i];
}
WindowsRemoteDevice dev = new WindowsRemoteDevice(ba, qsResult.szServiceInstanceName);
pool.Add(dev);
} else
{
WSALookupServiceEnd(handle);
}
Marshal.FreeHGlobal(pBuffer);
}
Marshal.FreeHGlobal(lpwsaqueryset);
WSACleanup();
return pool;
}