func (fs *FrameSender) Send(hdr *aoe.Header) (int, error) {
hdr.Version = 1
hdr.FlagResponse = true
hdr.Major = fs.major
hdr.Minor = fs.minor
hdr.Tag = fs.orig.Tag
hbuf, err := hdr.MarshalBinary()
if err != nil {
panic(err)
}
frame := ðernet.Frame{
Destination: fs.dst,
Source: fs.src,
EtherType: aoe.EtherType,
Payload: hbuf,
}
ebuf, err := frame.MarshalBinary()
if err != nil {
panic(err)
}
clog.Debugf("send %d %s %+v", len(ebuf), fs.dst, hdr)
//clog.Debugf("send arg %+v", hdr.Arg)
return fs.conn.WriteTo(ebuf, &raw.Addr{HardwareAddr: fs.dst})
}
// headersEqual compares a response and request AoE header for equality, but
// does not factor in their Arg fields.
func headersEqual(res, req aoe.Header) bool {
if !res.FlagResponse {
panic("response AoE header did not have FlagResponse set, please verify parameter order")
}
// Set request's response flag for comparison
req.FlagResponse = true
// Clear arguments of both request and response so we can compare the
// headers, and because the arguments are compared separately
req.Arg = nil
res.Arg = nil
return reflect.DeepEqual(res, req)
}