tracer

Documentation

Index

• Constants
• func AttachTracepoint(tracepoint TracepointInfo) (link.Link, error)
• func ExtractConsistentHeaders(headers http.Header) map[string][]string
• func FromCString(in []byte) []byte
• func GetHttpData(bpfEvent *http_snifferHttpevent) (tracerhttptype.HTTPData, error)
• type Config
• type GadgetDesc
  • func (g *GadgetDesc) NewInstance() (gadgets.Gadget, error)
• type TracepointInfo
  • func GetTracepointDefinitions(objs *http_snifferPrograms) []TracepointInfo
• type Tracer
  • func NewTracer(config *Config, enricher gadgets.DataEnricherByMntNs, ...) (*Tracer, error)
  • func (t *Tracer) Close()
  • func (t *Tracer) ParseHTTP(rawSample []byte) (*tracerhttptype.Event, error)
  • func (t *Tracer) Run(gadgetCtx gadgets.GadgetContext) error
  • func (t *Tracer) SetEventHandler(handler any)
  • func (t *Tracer) SetMountNsMap(mountnsMap *ebpf.Map)

Constants

const (
	EVENT_TYPE_CONNECT = iota
	EVENT_TYPE_ACCEPT
	EVENT_TYPE_REQUEST
	EVENT_TYPE_RESPONSE
	EVENT_TYPE_CLOSE
)

Functions

func AttachTracepoint

func AttachTracepoint(tracepoint TracepointInfo) (link.Link, error)

func ExtractConsistentHeaders

func ExtractConsistentHeaders(headers http.Header) map[string][]string

func FromCString

func FromCString(in []byte) []byte

func GetHttpData

func GetHttpData(bpfEvent *http_snifferHttpevent) (tracerhttptype.HTTPData, error)

Types

type Config

type Config struct {
	MountnsMap *ebpf.Map
}

type GadgetDesc

type GadgetDesc struct{}

func (*GadgetDesc) NewInstance

func (g *GadgetDesc) NewInstance() (gadgets.Gadget, error)

type TracepointInfo

type TracepointInfo struct {
	Syscall string
	ObjFunc interface{}
}

func GetTracepointDefinitions

func GetTracepointDefinitions(objs *http_snifferPrograms) []TracepointInfo

type Tracer

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

func NewTracer

func NewTracer(config *Config, enricher gadgets.DataEnricherByMntNs,
	eventCallback func(*types.Event),
) (*Tracer, error)

func (*Tracer) Close

func (t *Tracer) Close()

func (*Tracer) ParseHTTP

func (t *Tracer) ParseHTTP(rawSample []byte) (*tracerhttptype.Event, error)

func (*Tracer) Run

func (t *Tracer) Run(gadgetCtx gadgets.GadgetContext) error

func (*Tracer) SetEventHandler

func (t *Tracer) SetEventHandler(handler any)

func (*Tracer) SetMountNsMap

func (t *Tracer) SetMountNsMap(mountnsMap *ebpf.Map)