diff options
| -rw-r--r-- | packet/bgp.go | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/packet/bgp.go b/packet/bgp.go index e136c807..1019d74c 100644 --- a/packet/bgp.go +++ b/packet/bgp.go @@ -2513,6 +2513,10 @@ type FlowSpecComponentItem struct { Value int `json:"value"` } +func (v *FlowSpecComponentItem) Len() int { + return 1 << ((uint32(v.Op) >> 4) & 0x3) +} + func (v *FlowSpecComponentItem) Serialize() ([]byte, error) { if v.Value < 0 { return nil, fmt.Errorf("invalid value size(too small): %d", v.Value) @@ -2605,8 +2609,11 @@ func (p *FlowSpecComponent) Serialize() ([]byte, error) { } func (p *FlowSpecComponent) Len() int { - buf, _ := p.Serialize() - return len(buf) + l := 1 + for _, item := range p.Items { + l += (item.Len() + 1) + } + return l } func (p *FlowSpecComponent) Type() BGPFlowSpecType { |