测试网关及http是否连接的函数
测试当前的网关是否连接上
/**
* Ping current network'sgate way. Return the result of ping operation.
*
* @return Return trueif ping operation is success,false otherwise.
*/
publicboolean ConennectTest(){
StringgateWay = getGateWay();
if(gateWay == null) {
returnfalse;
}
try {
Socketserver = new Socket();
InetSocketAddressaddress = new InetSocketAddress(gateWay, 80);
server.connect(address,5000);
server.close();
returntrue;
}catch(UnknownHostException e) {
returnfalse;
}catch (IOException e){
returnfalse;
}
}
测试是否连接上http
/**
* Use httpconnect to Google, test if the network connected or not.
*
* @return Return truestands for network connect to Internet, false otherwise.
*/
publicstaticbooleanhttpConnectTest() {
if(EthernetImplement.dummyMode){
returntrue;
}
try{
url = new URL("http://www.google.com");
connect =(HttpURLConnection)url.openConnection();
connect.setRequestMethod("GET");
connect.setConnectTimeout(6*1000);
code = connect.getResponseCode();
}catch(Exception e) {
returnfalse;
}
if(code ==HttpURLConnection.HTTP_OK)
{
returntrue;
}
else {
returnfalse;
}
}