throws IOException {
        int start = bufferIndex;
        if( in.read( buffer, bufferIndex, length ) != length ) {
            throw new IOException( "invalid session request wire format" );
        }
        bufferIndex += calledName.readWireFormat( buffer, bufferIndex );
        bufferIndex += callingName.readWireFormat( buffer, bufferIndex );
        return bufferIndex - start;
    }

        int start = bufferIndex;
        if ( in.read(buffer, bufferIndex, this.length) != this.length ) {
            throw new IOException("invalid session request wire format");
        }
        bufferIndex += this.calledName.readWireFormat(buffer, bufferIndex);
        bufferIndex += this.callingName.readWireFormat(buffer, bufferIndex);
        return bufferIndex - start;
    }