WolfSSLIORecvCallback

```
public interface WolfSSLIORecvCallback
```
wolfSSL I/O Receive Callback Interface. This interface specifies how applicaitons should implement the I/O receive callback class to be used by wolfSSL.
After implementing this interface, it should be passed as a parameter to the WolfSSLContext.setIORecv() method to be registered with the native wolfSSL library.

Version:

1.0, August 2013

Author:

wolfSSL

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`int`	`receiveCallback(WolfSSLSession ssl, byte[] buf, int sz, java.lang.Object ctx)`	I/O receive callback method.

- Method Detail
  - receiveCallback
```
int receiveCallback(WolfSSLSession ssl,
                    byte[] buf,
                    int sz,
                    java.lang.Object ctx)
```
    I/O receive callback method. This method acts as the I/O receive callback to be used with wolfSSL. This can be registered with an SSL session using the WolfSSLContext#setIORecv(WolfSSLIORecvCallback) method.
    
    Parameters:
    
    ssl - the current SSL session object from which the callback was initiated.
    
    buf - buffer in which the application should place data which has been received from the peer.
    
    sz - size of buffer, buf
    
    ctx - I/O context to be used.
    
    Returns:
    
    the number of bytes read, or an error. For possible error codes, see the default EmbedRecv() function in wolfssl_package/src/io.c