ebpf

package

v0.2.0 Latest Latest Go to latest Published: Sep 7, 2022 License: Apache-2.0 Imports: 19 Imported by: 0

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type FlowTracer struct {
	// contains filtered or unexported fields
}

FlowTracer reads and forwards the Flows from the Transmission Control, for a given interface.

func NewFlowTracer(
	sampling, cacheMaxSize, buffersLength int,
	evictionTimeout time.Duration,
	namer flow.InterfaceNamer,
) (*FlowTracer, error)

TODO: decouple flowtracer logic from eBPF maps access so we can inject mocks for testing

func (m *FlowTracer) Register(iface ifaces.Interface) error

Register and links the eBPF tracer into the system. The program should invoke Unregister before exiting.

func (m *FlowTracer) Trace(ctx context.Context, forwardFlows chan<- []*flow.Record)

Trace and forward the read flows until the passed context is Done