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PlainSocketImpl


java.net

Class PlainSocketImpl

    • Constructor Detail

      • PlainSocketImpl

        public PlainSocketImpl(Proxy proxy)
      • PlainSocketImpl

        public PlainSocketImpl()
    • Method Detail

      • accept

        protected void accept(SocketImpl newImpl)
                       throws IOException
        Description copied from class: SocketImpl
        Waits for an incoming request and blocks until the connection is opened on the given socket.
        Specified by:
        accept in class SocketImpl
        Parameters:
        newImpl - the socket to accept connections on.
        Throws:
        IOException - if an error occurs while accepting a new connection.
      • initLocalPort

        public void initLocalPort(int localPort)
      • initRemoteAddressAndPort

        public void initRemoteAddressAndPort(InetAddress remoteAddress,
                                    int remotePort)
      • available

        protected int available()
                         throws IOException
        Description copied from class: SocketImpl
        Returns the available number of bytes which are readable from this socket without blocking.
        Specified by:
        available in class SocketImpl
        Returns:
        the number of bytes that may be read without blocking.
        Throws:
        IOException - if an error occurs while reading the number of bytes.
      • bind

        protected void bind(InetAddress address,
                int port)
                     throws IOException
        Description copied from class: SocketImpl
        Binds this socket to the specified local host address and port number.
        Specified by:
        bind in class SocketImpl
        Parameters:
        address - the local machine address to bind this socket to.
        port - the port on the local machine to bind this socket to.
        Throws:
        IOException - if an error occurs while binding this socket.
      • close

        protected void close()
                      throws IOException
        Description copied from class: SocketImpl
        Closes this socket. This makes later access invalid.
        Specified by:
        close in class SocketImpl
        Throws:
        IOException - if an error occurs while closing this socket.
      • connect

        protected void connect(String aHost,
                   int aPort)
                        throws IOException
        Description copied from class: SocketImpl
        Connects this socket to the specified remote host and port number.
        Specified by:
        connect in class SocketImpl
        Parameters:
        aHost - the remote host this socket has to be connected to.
        aPort - the remote port on which this socket has to be connected.
        Throws:
        IOException - if an error occurs while connecting to the remote host.
      • connect

        protected void connect(InetAddress anAddr,
                   int aPort)
                        throws IOException
        Description copied from class: SocketImpl
        Connects this socket to the specified remote host address and port number.
        Specified by:
        connect in class SocketImpl
        Parameters:
        anAddr - the remote host address this socket has to be connected to.
        aPort - the remote port on which this socket has to be connected.
        Throws:
        IOException - if an error occurs while connecting to the remote host.
      • create

        protected void create(boolean streaming)
                       throws IOException
        Description copied from class: SocketImpl
        Creates a new unconnected socket. The argument isStreaming defines whether the new socket is a streaming or a datagram socket.
        Specified by:
        create in class SocketImpl
        Parameters:
        streaming - defines whether the type of the new socket is streaming or datagram.
        Throws:
        IOException - if an error occurs while creating the socket.
      • finalize

        protected void finalize()
                         throws Throwable
        Description copied from class: Object
        Invoked when the garbage collector has detected that this instance is no longer reachable. The default implementation does nothing, but this method can be overridden to free resources.

        Note that objects that override finalize are significantly more expensive than objects that don't. Finalizers may be run a long time after the object is no longer reachable, depending on memory pressure, so it's a bad idea to rely on them for cleanup. Note also that finalizers are run on a single VM-wide finalizer thread, so doing blocking work in a finalizer is a bad idea. A finalizer is usually only necessary for a class that has a native peer and needs to call a native method to destroy that peer. Even then, it's better to provide an explicit close method (and implement Closeable), and insist that callers manually dispose of instances. This works well for something like files, but less well for something like a BigInteger where typical calling code would have to deal with lots of temporaries. Unfortunately, code that creates lots of temporaries is the worst kind of code from the point of view of the single finalizer thread.

        If you must use finalizers, consider at least providing your own ReferenceQueue and having your own thread process that queue.

        Unlike constructors, finalizers are not automatically chained. You are responsible for calling super.finalize() yourself.

        Uncaught exceptions thrown by finalizers are ignored and do not terminate the finalizer thread. See Effective Java Item 7, "Avoid finalizers" for more.

        Overrides:
        finalize in class Object
        Throws:
        Throwable
      • getOption

        public Object getOption(int option)
                         throws SocketException
        Description copied from interface: SocketOptions
        Gets the value for the specified socket option.
        Parameters:
        option - the option identifier.
        Returns:
        the option value.
        Throws:
        SocketException - if an error occurs reading the option value.
      • listen

        protected void listen(int backlog)
                       throws IOException
        Description copied from class: SocketImpl
        Listens for connection requests on this streaming socket. Incoming connection requests are queued up to the limit specified by backlog. Additional requests are rejected. This method may only be invoked on stream sockets.
        Specified by:
        listen in class SocketImpl
        Parameters:
        backlog - the maximum number of outstanding connection requests.
        Throws:
        IOException - if an error occurs while listening.
      • setOption

        public void setOption(int option,
                     Object value)
                       throws SocketException
        Description copied from interface: SocketOptions
        Sets the value of the specified socket option.
        Parameters:
        option - the option identifier.
        value - the value to be set for the option.
        Throws:
        SocketException - if an error occurs setting the option value.
      • socksAccept

        public void socksAccept()
                         throws IOException
        Perform an accept for a SOCKS bind.
        Throws:
        IOException
      • connect

        protected void connect(SocketAddress remoteAddr,
                   int timeout)
                        throws IOException
        Description copied from class: SocketImpl
        Connects this socket to the remote host address and port number specified by the SocketAddress object with the given timeout. This method will block indefinitely if the timeout is set to zero.
        Specified by:
        connect in class SocketImpl
        Parameters:
        remoteAddr - the remote host address and port number to connect to.
        timeout - the timeout value in milliseconds.
        Throws:
        IOException - if an error occurs while connecting.
      • supportsUrgentData

        protected boolean supportsUrgentData()
        Description copied from class: SocketImpl
        Returns whether the socket supports urgent data or not. Subclasses should override this method.
        Overrides:
        supportsUrgentData in class SocketImpl
        Returns:
        false because subclasses must override this method.
      • sendUrgentData

        protected void sendUrgentData(int value)
                               throws IOException
        Description copied from class: SocketImpl
        Sends the single byte of urgent data on the socket.
        Specified by:
        sendUrgentData in class SocketImpl
        Parameters:
        value - the byte of urgent data.
        Throws:
        IOException - if an error occurs sending urgent data.


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