- close socket in finally
 - really comment out main()
This commit is contained in:
zzz
2015-04-21 14:49:48 +00:00
parent b67bbd7065
commit 638c5429d2

View File

@@ -117,9 +117,10 @@ class NtpClient {
* @since 0.7.12
*/
private static long[] currentTimeAndStratum(String serverName) {
DatagramSocket socket = null;
try {
// Send request
DatagramSocket socket = new DatagramSocket();
socket = new DatagramSocket();
InetAddress address = InetAddress.getByName(serverName);
byte[] buf = new NtpMessage().toByteArray();
DatagramPacket packet = new DatagramPacket(buf, buf.length, address, NTP_PORT);
@@ -135,12 +136,7 @@ class NtpClient {
// Get response
packet = new DatagramPacket(buf, buf.length);
socket.setSoTimeout(10*1000);
try {
socket.receive(packet);
} catch (InterruptedIOException iie) {
socket.close();
return null;
}
// Immediately record the incoming timestamp
double destinationTimestamp = (System.currentTimeMillis()/1000.0) + SECONDS_1900_TO_EPOCH;
@@ -152,7 +148,6 @@ class NtpClient {
// (msg.receiveTimestamp-msg.transmitTimestamp);
double localClockOffset = ((msg.receiveTimestamp - msg.originateTimestamp) +
(msg.transmitTimestamp - destinationTimestamp)) / 2;
socket.close();
// Stratum must be between 1 (atomic) and 15 (maximum defined value)
// Anything else is right out, treat such responses like errors
@@ -169,10 +164,13 @@ class NtpClient {
} catch (IOException ioe) {
//ioe.printStackTrace();
return null;
} finally {
if (socket != null)
socket.close();
}
}
/****/
/****
public static void main(String[] args) throws IOException {
// Process command-line args
if(args.length <= 0) {
@@ -203,5 +201,5 @@ class NtpClient {
"more details.");
}
/****/
****/
}