// {
// }
- // JDK1.2
- // public int getReceiveBufferSize() throws SocketException
- // {
- // }
+ /**
+ * This method returns the value of the system level socket option
+ * SO_RCVBUF, which is used by the operating system to tune buffer
+ * sizes for data transfers.
+ *
+ * @return The receive buffer size.
+ *
+ * @exception SocketException If an error occurs.
+ *
+ * @since 1.2
+ */
+ public int getReceiveBufferSize() throws SocketException
+ {
+ Object obj = impl.getOption(SocketOptions.SO_RCVBUF);
+
+ if (obj instanceof Integer)
+ return(((Integer)obj).intValue());
+ else
+ throw new SocketException("Unexpected type");
+ }
- // JDK1.2
- // public int getSendBufferSize() throws SocketException
- // {
- // }
+ /**
+ * This method returns the value of the system level socket option
+ * SO_SNDBUF, which is used by the operating system to tune buffer
+ * sizes for data transfers.
+ *
+ * @return The send buffer size.
+ *
+ * @exception SocketException If an error occurs.
+ *
+ * @since 1.2
+ */
+ public int getSendBufferSize() throws SocketException
+ {
+ Object obj = impl.getOption(SocketOptions.SO_SNDBUF);
- // JDK1.2
- // public void setReceiveBufferSize(int size) throws SocketException
- // {
- // }
+ if (obj instanceof Integer)
+ return(((Integer)obj).intValue());
+ else
+ throw new SocketException("Unexpected type");
+ }
- // JDK1.2
- // public void setSendBufferSize(int size) throws SocketException
- // {
- // }
+ /**
+ * This method sets the value for the system level socket option
+ * SO_RCVBUF to the specified value. Note that valid values for this
+ * option are specific to a given operating system.
+ *
+ * @param size The new receive buffer size.
+ *
+ * @exception SocketException If an error occurs.
+ *
+ * @since 1.2
+ */
+ public void setReceiveBufferSize(int size) throws SocketException
+ {
+ if (size < 0)
+ throw new IllegalArgumentException("Buffer size is less than 0");
+
+ impl.setOption(SocketOptions.SO_RCVBUF, new Integer(size));
+ }
+
+ /**
+ * This method sets the value for the system level socket option
+ * SO_SNDBUF to the specified value. Note that valid values for this
+ * option are specific to a given operating system.
+ *
+ * @param size The new send buffer size.
+ *
+ * @exception SocketException If an error occurs.
+ *
+ * @since 1.2
+ */
+ public void setSendBufferSize(int size) throws SocketException
+ {
+ if (size < 0)
+ throw new IllegalArgumentException("Buffer size is less than 0");
+
+ impl.setOption(SocketOptions.SO_SNDBUF, new Integer(size));
+ }
}