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Java - Socket getOOBInline() Method
Description
The Java Socket getOOBInline() returns true if SO_OOBINLINE is enabled else false.
Declaration
Following is the declaration for java.net.Socket.getOOBInline() method.
public boolean getOOBInline() throws SocketException
Parameters
NA
Return Value
a boolean indicating whether or not SO_OOBINLINE is enabled.
Exception
SocketException − if there is an error in the underlying protocol, such as a TCP error.
Example 1
The following example shows the usage of Java Socket getOOBInline() method to get the status of SO_OOBINLINE flag of socket instance. As first step, we've created a Socket instance using no argument constructor. Then in order to create a SocketAddress object, we've initialized an InetAddress instance of localhost address. Using InetSocketAddress object, we've created a SocketAddress object and then using bind() method, we bind the address to the socket. Once done, we're printing the SO_OOBINLINE flag using getOOBInline() method, local port and inetaddress as shown. In the end, we closed the socket using close() method.
package com.tutorialspoint; import java.io.IOException; import java.net.InetAddress; import java.net.InetSocketAddress; import java.net.Socket; import java.net.SocketAddress; public class SocketDemo { public static void main(String[] args) throws IOException { Socket socket = new Socket(); InetAddress inetAddress=InetAddress.getByName("localhost"); SocketAddress socketAddress=new InetSocketAddress(inetAddress, 6066); socket.bind(socketAddress); System.out.println("Is SO_OOBINLINE: "+socket.getOOBInline()); System.out.println("Port number: "+socket.getLocalPort()); System.out.println("Inet Address: "+socket.getInetAddress()); socket.close(); } }
Output
Let us compile and run the above program, this will produce the following result −
Is SO_OOBINLINE: false Port number: 6066 Inet Address: null
Example 2
The following example shows the usage of Java Socket getOOBInline() method to get the status of SO_OOBINLINE flag of socket instance. As first step, we've created a Socket instance using no argument constructor. Now, we're printing the SO_OOBINLINE flag using getOOBInline() method. Then we're setting the SO_OOBINLINE flag as true using setOOBInline() method and print the same. In the end, we closed the socket using close() method.
package com.tutorialspoint; import java.io.IOException; import java.net.Socket; public class SocketDemo { public static void main(String[] args) throws IOException { Socket socket = new Socket(); System.out.println("Is SO_OOBINLINE: "+socket.getOOBInline()); socket.setOOBInline(true); System.out.println("Is SO_OOBINLINE: "+socket.getOOBInline()); socket.close(); } }
Output
Let us compile and run the above program, this will produce the following result −
Is SO_OOBINLINE: false Is SO_OOBINLINE: true
Example 3
The following example shows the usage of Java Socket getOOBInline() method to get the status of SO_OOBINLINE flag of socket instance, if socket is already closed. As first step, we've created a Socket instance using no argument constructor. Using socket.close(), we're closing the socket. Now, we're printing the SO_OOBINLINE flag using getOOBInline() method. Then we're setting the SO_OOBINLINE flag as true using setOOBInline() method and print the same. In the end, we closed the socket using close() method. As socket is already closed, getOOBInline() method call throws an exception as shown below −
package com.tutorialspoint; import java.io.IOException; import java.net.Socket; public class SocketDemo { public static void main(String[] args) throws IOException { Socket socket = new Socket(); socket.close(); System.out.println("Is SO_OOBINLINE: "+socket.getOOBInline()); socket.setOOBInline(true); System.out.println("Is SO_OOBINLINE: "+socket.getOOBInline()); socket.close(); } }
Output
Let us compile and run the above program, this will produce the following result −
Exception in thread "main" java.net.SocketException: Socket is closed at java.base/java.net.Socket.getOOBInline(Socket.java:1131) at com.tutorialspoint.SocketDemo.main(SocketDemo.java:11)
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