func (rsp *flowResponse) SetLastInfo(lastfid, laststage uint64) int {
if (rsp.fw.fid == lastfid) && (rsp.f.stage == laststage+1) {
rsp.header = false
} else {
rsp.header = true
}
size := 1 + len(rsp.f.data)
if rsp.header {
if add, err := xio.SizeOf7BitValue64(rsp.fw.fid); err == nil {
size += add
}
if add, err := xio.SizeOf7BitValue64(rsp.f.stage); err == nil {
size += add
}
if add, err := xio.SizeOf7BitValue64(rsp.f.delta); err == nil {
size += add
}
if len(rsp.fw.signature) != 0 {
size += 1 + len(rsp.fw.signature)
if rsp.fr.fid != 0 {
more := 1
if add, err := xio.SizeOf7BitValue64(rsp.fr.fid); err == nil {
more += add
}
if add, err := xio.SizeOf7BitValue64(uint64(more)); err == nil {
size += add
}
size += more
}
}
size += 1
}
return size
}
func (rsp *flowAckResponse) SetLastInfo(lastfid, laststage uint64) int {
size := 0
if add, err := xio.SizeOf7BitValue64(rsp.fid); err == nil {
size += add
}
if add, err := xio.SizeOf7BitValue64(rsp.cnt); err == nil {
size += add
}
if add, err := rsp.ack.Size(); err != nil {
size += add
}
return size
}
func (ack *flowAck) Size() (int, error) {
if add, err := xio.SizeOf7BitValue64(ack.stage); err != nil {
return 0, err
} else {
total := add
stage := ack.stage
for e := ack.conts.Front(); e != nil; e = e.Next() {
r := e.Value.(*flowAckRange)
if add, err := xio.SizeOf7BitValue64(r.beg - stage - 2); err != nil {
return 0, err
} else {
total += add
}
if add, err := xio.SizeOf7BitValue64(r.end - r.beg); err != nil {
return 0, err
} else {
total += add
}
stage = r.end
}
return total, nil
}
}
func (rsp *flowResponse) WriteTo(w *xio.PacketWriter) error {
flags := rsp.f.flags
if rsp.header {
flags |= flagsHeader
}
if err := w.Write8(flags); err != nil {
return err
}
if rsp.header {
if err := w.Write7BitValue64(rsp.fw.fid); err != nil {
return err
}
if err := w.Write7BitValue64(rsp.f.stage); err != nil {
return err
}
if err := w.Write7BitValue64(rsp.f.delta); err != nil {
return err
}
if len(rsp.fw.signature) != 0 {
if err := w.WriteString8(rsp.fw.signature); err != nil {
return err
}
if rsp.fr.fid != 0 {
more := 1
if add, err := xio.SizeOf7BitValue64(rsp.fr.fid); err != nil {
return err
} else {
more += add
}
if err := w.Write7BitValue64(uint64(more)); err != nil {
return err
}
if err := w.Write8(0x0a); err != nil {
return err
}
if err := w.Write7BitValue64(rsp.fr.fid); err != nil {
return err
}
}
}
if err := w.Write8(0); err != nil {
return err
}
}
if err := w.WriteBytes(rsp.f.data); err != nil {
return err
}
return nil
}