xref: /trunk/main/udkapi/com/sun/star/connection/XConnection.idl (revision ffd38472365e95f6a578737bc9a5eb0fac624a86)

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#ifndef _COM_SUN_STAR_CONNECTION_XCONNECTION_IDL_
#define _COM_SUN_STAR_CONNECTION_XCONNECTION_IDL_

#include <com/sun/star/io/IOException.idl>


module com {  module sun {  module star {  module connection {

/** A bidirectional bytestream.

    <p> You should additionally implement XConnection2.

    @see XConnection2
 */
published interface XConnection: com::sun::star::uno::XInterface
{

    /** reads a requested number of bytes from the connection.
        <p> This method is blocking, meaning that it always returns a bytesequence
        with the requested number of bytes, unless it has reached end of file (which
        often means, that close() has been called).

        <p> please see also the readSomeBytes() method of XConnection2.

        @return The read number of bytes.
                The return value and the length of the
                returned sequence must be identical.
        @param nBytesToRead
                The number of bytes to be read from the stream.

        @throws com::sun::star::io::IOException
               in case an error occurred during reading from the stream.
     */
    long read( [out] sequence < byte > aReadBytes , [in] long nBytesToRead )
            raises( com::sun::star::io::IOException );


    // DocMerge from xml: method com::sun::star::connection::XConnection::write
    /** writes the given bytesequence to the stream.
        <p>The method blocks until the whole sequence is written.

        @throws com::sun::star::io::IOException
               in case an error occurred during writing to the stream.
     */
    void write( [in] sequence < byte > aData )
        raises( com::sun::star::io::IOException );


    /** Empties all internal buffers.
     */
    void flush( )
            raises( com::sun::star::io::IOException );

    /** Immediately terminates any ongoing read or write calls.
        All subsequent read or write calls()
     */
    void close( )
            raises( com::sun::star::io::IOException );


    /** A unique string describing the connection.

        <p>This string is different from the arguments to <member>XConnection::accept</member>
        and <member>XConnector::connect</member>. In general, the string contains an additional
        handle value.  For example, "socket,host=localhost,port=2002,uniqueValue=2324". </p>
     */
    string getDescription();
};

};};};};

#endif