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https://github.com/akvorado/akvorado.git
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c6a9319b57
This is a first step to make it accept configuration. Most of the changes are quite trivial, but I also ran into some difficulties with query columns and filters. They need the schema for parsing, but parsing happens before dependencies are instantiated (and even if it was not the case, parsing is stateless). Therefore, I have added a `Validate()` method that must be called after instantiation. Various bits `panic()` if not validated to ensure we catch all cases. The alternative to make the component manages a global state would have been simpler but it would break once we add the ability to add or disable columns.
37 lines
988 B
Go
37 lines
988 B
Go
// SPDX-FileCopyrightText: 2022 Free Mobile
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// SPDX-License-Identifier: AGPL-3.0-only
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//go:build !release
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package decoder
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import (
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"net/netip"
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"akvorado/common/schema"
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)
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// DummyDecoder is a simple decoder producing flows from random data.
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// The payload is copied in IfDescription
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type DummyDecoder struct {
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Schema *schema.Component
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}
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// Decode returns uninteresting flow messages.
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func (dc *DummyDecoder) Decode(in RawFlow) []*schema.FlowMessage {
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exporterAddress, _ := netip.AddrFromSlice(in.Source.To16())
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f := &schema.FlowMessage{
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TimeReceived: uint64(in.TimeReceived.UTC().Unix()),
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ExporterAddress: exporterAddress,
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}
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dc.Schema.ProtobufAppendVarint(f, schema.ColumnBytes, uint64(len(in.Payload)))
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dc.Schema.ProtobufAppendVarint(f, schema.ColumnPackets, 1)
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dc.Schema.ProtobufAppendBytes(f, schema.ColumnInIfDescription, in.Payload)
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return []*schema.FlowMessage{f}
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}
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// Name returns the original name.
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func (dc *DummyDecoder) Name() string {
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return "dummy"
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}
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