func packetDump(addr net.Addr, data []byte, cache TemplateCache) {
p, err := nf9packet.Decode(data)
if err != nil {
fmt.Fprintln(os.Stderr, err)
return
}
templateList := p.TemplateRecords()
flowSets := p.DataFlowSets()
for _, t := range templateList {
templateKey := fmt.Sprintf("%s|%b|%v", addr.String(), p.SourceId, t.TemplateId)
cache[templateKey] = t
}
for _, set := range flowSets {
templateKey := fmt.Sprintf("%s|%b|%v", addr.String(), p.SourceId, set.Id)
template, ok := cache[templateKey]
if !ok {
// We do not have template for this Data FlowSet yet
continue
}
records := template.DecodeFlowSet(&set)
if records == nil {
// Error in decoding Data FlowSet
continue
}
printTable(template, records)
}
}
func packetDump(addr net.Addr, data []byte) {
p, err := nf9packet.Decode(data)
if err != nil {
fmt.Fprintln(os.Stderr, err)
return
}
templateList := p.TemplateRecords()
optTemplateList := p.OptionsTemplateRecords()
for _, t := range templateList {
fmt.Printf("==== %v, SourceId: %v, TemplateId: %v ====\n", addr, p.SourceId, t.TemplateId)
fmt.Print("--- Field name (actual length / default length) description ---\n")
for _, f := range t.Fields {
fmt.Printf("%-24s (%2v / %2v) %s\n", f.Name(), f.Length, f.DefaultLength(), f.Description())
}
fmt.Print("\n")
}
for _, t := range optTemplateList {
fmt.Printf("==== %v, SourceId: %v, OptionsTemplateId: %v ====\n", addr, p.SourceId, t.TemplateId)
fmt.Print("--- Scopes ---\n")
for _, f := range t.Scopes {
fmt.Printf("%-24s (%2v / %2v) %s\n", f.ScopeName(), f.Length, f.ScopeDefaultLength(), f.ScopeDescription())
}
fmt.Print("--- Options ---\n")
for _, f := range t.Options {
fmt.Printf("%-24s (%2v / %2v) %s\n", f.Name(), f.Length, f.DefaultLength(), f.Description())
}
fmt.Print("\n")
}
}
func packetDump(addr net.Addr, data []byte) {
fmt.Fprintln(os.Stderr, "Got packet from: ", addr)
p, err := nf9packet.Decode(data)
if err != nil {
fmt.Fprintln(os.Stderr, err)
return
}
if *dumpJson {
json, _ := json.MarshalIndent(p, "", "\t")
fmt.Printf("%s\n", json)
} else {
nf9packet.Dump(p, os.Stdout)
fmt.Print("\n")
}
}