aeron-client/src/main/java/io/aeron/command/ImageMessageFlyweight.java
public String channel()
    {
        final int length = buffer.getInt(offset + CHANNEL_OFFSET);
        lengthOfChannel = SIZE_OF_INT + length;

        return buffer.getStringAscii(offset + CHANNEL_OFFSET, length);
    }
public String channel()
    {
        final int length = buffer.getInt(offset + CHANNEL_OFFSET);
        lengthOfChannel = SIZE_OF_INT + length;

        return buffer.getStringAscii(offset + CHANNEL_OFFSET, length);
    }
Get the channel field as ASCII

@return channel field