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producer: support custom mapping of ipip #235

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producer: support custom mapping of ipip #235

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producer: support custom mapping of ipip
lspgn Nov 7, 2023
3296b7f
nit
lspgn Nov 7, 2023
1ec38e0
nit
lspgn Nov 7, 2023
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9 changes: 8 additions & 1 deletion producer/proto/producer_sf.go
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Original file line number Diff line number Diff line change
Expand Up @@ -308,7 +308,7 @@ func ParseEthernetHeader(flowMessage *ProtoProducerMessage, data []byte, config
var appOffset int // keeps track of the user payload

// Transport protocols
if nextHeader == 17 || nextHeader == 6 || nextHeader == 1 || nextHeader == 58 {
if nextHeader == 17 || nextHeader == 6 || nextHeader == 1 || nextHeader == 58 || nextHeader == 4 {
prevOffset := offset
if flowMessage.FragmentOffset == 0 {
if nextHeader == 17 { // UDP
Expand Down Expand Up @@ -351,6 +351,13 @@ func ParseEthernetHeader(flowMessage *ProtoProducerMessage, data []byte, config
return err
}
}
} else if nextHeader == 4 { // IPIP
for _, configLayer := range GetSFlowConfigLayer(config, "ipip") {
extracted := GetBytes(data, prevOffset*8+configLayer.Offset, configLayer.Length)
if err := MapCustom(flowMessage, extracted, configLayer.MapConfigBase); err != nil {
return err
}
}
}
}
appOffset = offset
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