public void ScanDeviceThread()
{
int BEGANNum = 0; //开始扫描的起始
int ENDNum = 0; //开始扫描的结束
int mTheardNum;
lock (this)
{
mTheardNum = TheardNum++;//当前是第几个线程
}
BEGANNum = mTheardNum * 256 / ScanDeviceTheardNum;
ENDNum = BEGANNum + 256 / ScanDeviceTheardNum;
ConnectivityManager cm = (ConnectivityManager)context.GetSystemService(Context.ConnectivityService);
NetworkInfo activeNetwork = cm.ActiveNetworkInfo;
WifiManager wm = (WifiManager)context.GetSystemService(Context.WifiService);
WifiInfo connectionInfo = wm.ConnectionInfo;
int ipAddress = connectionInfo.IpAddress;
string ipString = Formatter.FormatIpAddress(ipAddress);
string prefix = ipString.Substring(0, ipString.LastIndexOf(".") + 1);
for (int i = BEGANNum; i < ENDNum; i++)//执行扫描
{
string testIp = prefix + i.ToString();
InetAddress address = InetAddress.GetByName(testIp);
bool reachable = address.IsReachable(800);
string hostName = address.CanonicalHostName;
if (reachable)//如果Ping通 吧IP加入
{
lock (this)
{
DeviceIP.Add(testIp, "");
}
}
}
TheardComplete++; //线程完成数加1
if (TheardComplete >= ScanDeviceTheardNum) //如果这个是最后一个完成的线程
{
Log.Info("TCP", "StartConnectDevice : " + DeviceIP.Count.ToString());
TheardComplete = 0;
TheardNum = 0;
ConnectDevice();//开始尝试连接
}
}