public class SecureNioChannel extends NioChannel
Modifier and Type | Class and Description |
---|---|
static interface |
SecureNioChannel.ApplicationBufferHandler
Callback interface to be able to expand buffers
when buffer overflow exceptions happen
|
Modifier and Type | Field and Description |
---|---|
protected boolean |
closed |
protected boolean |
closing |
protected boolean |
handshakeComplete |
protected SSLEngineResult.HandshakeStatus |
handshakeStatus |
protected static Log |
log |
protected ByteBuffer |
netInBuffer |
protected ByteBuffer |
netOutBuffer |
protected NioSelectorPool |
pool |
protected SSLEngine |
sslEngine |
bufHandler, emptyBuf, poller, sc, sm
Constructor and Description |
---|
SecureNioChannel(SocketChannel channel,
SSLEngine engine,
SecureNioChannel.ApplicationBufferHandler bufHandler,
NioSelectorPool pool) |
Modifier and Type | Method and Description |
---|---|
void |
close()
Sends an SSL close message, will not physically close the connection here.
|
void |
close(boolean force) |
boolean |
flush(boolean block,
Selector s,
long timeout)
Flush the channel.
|
protected boolean |
flush(ByteBuffer buf)
Flushes the buffer to the network, non blocking
|
boolean |
flushOutbound()
Return true if the buffer wrote data
|
int |
getBufferSize() |
SecureNioChannel.ApplicationBufferHandler |
getBufHandler()
getBufHandler
|
ByteBuffer |
getEmptyBuf() |
int |
getOutboundRemaining() |
SSLEngine |
getSslEngine() |
int |
handshake(boolean read,
boolean write)
Performs SSL handshake, non blocking, but performs NEED_TASK on the same
thread.
|
protected SSLEngineResult |
handshakeUnwrap(boolean doread)
Perform handshake unwrap
|
protected SSLEngineResult |
handshakeWrap(boolean doWrite)
Performs the WRAP function
|
boolean |
isClosing()
isClosing
|
boolean |
isHandshakeComplete()
isInitHandshakeComplete
|
int |
read(ByteBuffer dst)
Reads a sequence of bytes from this channel into the given buffer.
|
void |
rehandshake(long timeout)
Force a blocking handshake to take place for this key.
|
void |
reset() |
void |
reset(SSLEngine engine) |
void |
setBufHandler(SecureNioChannel.ApplicationBufferHandler bufHandler) |
protected SSLEngineResult.HandshakeStatus |
tasks()
Executes all the tasks needed on the same thread.
|
int |
write(ByteBuffer src)
Writes a sequence of bytes to this channel from the given buffer.
|
checkInterruptStatus, getAttachment, getIOChannel, getPoller, isOpen, setIOChannel, setPoller, toString
protected static final Log log
protected ByteBuffer netInBuffer
protected ByteBuffer netOutBuffer
protected SSLEngine sslEngine
protected boolean handshakeComplete
protected SSLEngineResult.HandshakeStatus handshakeStatus
protected boolean closed
protected boolean closing
protected NioSelectorPool pool
public SecureNioChannel(SocketChannel channel, SSLEngine engine, SecureNioChannel.ApplicationBufferHandler bufHandler, NioSelectorPool pool) throws IOException
IOException
public void reset(SSLEngine engine) throws IOException
IOException
public void reset() throws IOException
reset
in class NioChannel
IOException
public int getBufferSize()
getBufferSize
in class NioChannel
public boolean flush(boolean block, Selector s, long timeout) throws IOException
flush
in class NioChannel
block
- Should a blocking write be used?s
- The selector to use for blocking, if null then a busy
write will be initiatedtimeout
- The timeout for this write operation in milliseconds,
-1 means no timeouttrue
if the network buffer has been flushed out and
is empty else false
IOException
- If an I/O error occurs during the operationprotected boolean flush(ByteBuffer buf) throws IOException
buf
- ByteBufferIOException
- An IO error occurred writing datapublic int handshake(boolean read, boolean write) throws IOException
handshake
in class NioChannel
read
- boolean - true if the underlying channel is readablewrite
- boolean - true if the underlying channel is writableIOException
- If an I/O error occurs during the handshake or if the
handshake fails during wrapping or unwrappingpublic void rehandshake(long timeout) throws IOException
timeout
- - timeout in milliseconds for each socket operationIOException
- - if an IO exception occurs or if application or network buffers contain dataSocketTimeoutException
- - if a socket operation timed outprotected SSLEngineResult.HandshakeStatus tasks()
protected SSLEngineResult handshakeWrap(boolean doWrite) throws IOException
doWrite
- booleanIOException
- An IO error occurredprotected SSLEngineResult handshakeUnwrap(boolean doread) throws IOException
doread
- booleanIOException
- An IO error occurredpublic void close() throws IOException
close();
while (isOpen() && !myTimeoutFunction()) Thread.sleep(25);
if ( isOpen() ) close(true); //forces a close if you timed out
close
in interface Closeable
close
in interface AutoCloseable
close
in interface Channel
close
in class NioChannel
IOException
- if an I/O error occursIOException
- if there is data on the outgoing network buffer and
we are unable to flush itpublic void close(boolean force) throws IOException
close
in class NioChannel
IOException
public int read(ByteBuffer dst) throws IOException
read
in interface ReadableByteChannel
read
in class NioChannel
dst
- The buffer into which bytes are to be transferred-1
if
the channel has reached end-of-streamIOException
- If some other I/O error occursIllegalArgumentException
- if the destination buffer is different
than getBufHandler().getReadBuffer()public int write(ByteBuffer src) throws IOException
write
in interface WritableByteChannel
write
in class NioChannel
src
- The buffer from which bytes are to be retrievedIOException
- If some other I/O error occurspublic int getOutboundRemaining()
getOutboundRemaining
in class NioChannel
public boolean flushOutbound() throws IOException
NioChannel
flushOutbound
in class NioChannel
IOException
public SecureNioChannel.ApplicationBufferHandler getBufHandler()
NioChannel
getBufHandler
in class NioChannel
public boolean isHandshakeComplete()
NioChannel
isHandshakeComplete
in class NioChannel
public boolean isClosing()
NioChannel
isClosing
in class NioChannel
public SSLEngine getSslEngine()
public ByteBuffer getEmptyBuf()
public void setBufHandler(SecureNioChannel.ApplicationBufferHandler bufHandler)
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