goebpf_mock

Documentation

Index

• Variables
• func CleanupAllMockMaps()
• type MockMap
  • func (m *MockMap) CloneTemplate() goebpf.Map
  • func (m *MockMap) Close() error
  • func (m *MockMap) Create() error
  • func (m *MockMap) Delete(ikey interface{}) error
  • func (m *MockMap) Destroy() error
  • func (m *MockMap) GetFd() int
  • func (m *MockMap) GetName() string
  • func (m *MockMap) GetNextKey(ikey interface{}) ([]byte, error)
  • func (m *MockMap) GetNextKeyInt(ikey interface{}) (int, error)
  • func (m *MockMap) GetNextKeyString(ikey interface{}) (string, error)
  • func (m *MockMap) GetNextKeyUint64(ikey interface{}) (uint64, error)
  • func (m *MockMap) GetType() goebpf.MapType
  • func (m *MockMap) Insert(ikey interface{}, ivalue interface{}) error
  • func (m *MockMap) Lookup(ikey interface{}) ([]byte, error)
  • func (m *MockMap) LookupInt(ikey interface{}) (int, error)
  • func (m *MockMap) LookupString(ikey interface{}) (string, error)
  • func (m *MockMap) LookupUint64(ikey interface{}) (uint64, error)
  • func (m *MockMap) Update(ikey interface{}, ivalue interface{}) error
  • func (m *MockMap) Upsert(ikey interface{}, ivalue interface{}) error
• type MockProgram
  • func NewMockProgram(name string, tp goebpf.ProgramType) *MockProgram
  • func (m *MockProgram) Attach(meta interface{}) error
  • func (m *MockProgram) Close() error
  • func (m *MockProgram) Detach() error
  • func (m *MockProgram) GetFd() int
  • func (m *MockProgram) GetLicense() string
  • func (m *MockProgram) GetName() string
  • func (m *MockProgram) GetSection() string
  • func (m *MockProgram) GetSize() int
  • func (m *MockProgram) GetType() goebpf.ProgramType
  • func (m *MockProgram) Load() error
  • func (m *MockProgram) Pin(path string) error
• type MockSystem
  • func NewMockSystem() *MockSystem
  • func (m *MockSystem) GetMapByName(name string) goebpf.Map
  • func (m *MockSystem) GetMaps() map[string]goebpf.Map
  • func (m *MockSystem) GetProgramByName(name string) goebpf.Program
  • func (m *MockSystem) GetPrograms() map[string]goebpf.Program
  • func (m *MockSystem) Load(r io.ReaderAt) error
  • func (m *MockSystem) LoadElf(path string) error

Variables

var MockMaps map[string]goebpf.Map

MockMaps is list of cross compiled/linked eBPF maps into GO executable This map will contain all eBPF maps defined in eBPF program

Functions

func CleanupAllMockMaps

func CleanupAllMockMaps()

CleanupAllMockMaps re-creates all mock maps Useful for unittests

Types

type MockMap

type MockMap struct {
	Name       string
	Type       goebpf.MapType
	KeySize    int
	ValueSize  int
	MaxEntries int
	// contains filtered or unexported fields
}

MockMap defines eBPF mockmap and implements Map interface

func (*MockMap) CloneTemplate

func (m *MockMap) CloneTemplate() goebpf.Map

CloneTemplate creates clone of current map

func (*MockMap) Close

func (m *MockMap) Close() error

Close does nothing - just to implement Map interface

func (*MockMap) Create

func (m *MockMap) Create() error

Create creates MockMap

func (*MockMap) Delete

func (m *MockMap) Delete(ikey interface{}) error

Delete deletes element from mock map Valid only for non array map types

func (*MockMap) Destroy

func (m *MockMap) Destroy() error

Destroy destroys mock map

func (*MockMap) GetFd

func (m *MockMap) GetFd() int

GetFd returns mock file descriptor of map

func (*MockMap) GetName

func (m *MockMap) GetName() string

GetName returns mock map name

func (*MockMap) GetNextKey

func (m *MockMap) GetNextKey(ikey interface{}) ([]byte, error)

GetNextKey gets the next key of the provided key

func (*MockMap) GetNextKeyInt

func (m *MockMap) GetNextKeyInt(ikey interface{}) (int, error)

func (*MockMap) GetNextKeyString

func (m *MockMap) GetNextKeyString(ikey interface{}) (string, error)

func (*MockMap) GetNextKeyUint64

func (m *MockMap) GetNextKeyUint64(ikey interface{}) (uint64, error)

func (*MockMap) GetType

func (m *MockMap) GetType() goebpf.MapType

GetType returns mock map type

func (*MockMap) Insert

func (m *MockMap) Insert(ikey interface{}, ivalue interface{}) error

Insert insert new element into mock map. Valid only for non array maps.

func (*MockMap) Lookup

func (m *MockMap) Lookup(ikey interface{}) ([]byte, error)

Lookup is generic implementation for all other Lookups (string, int, etc)

func (*MockMap) LookupInt

func (m *MockMap) LookupInt(ikey interface{}) (int, error)

LookupInt perform lookup and returns int

func (*MockMap) LookupString

func (m *MockMap) LookupString(ikey interface{}) (string, error)

LookupString perform lookup and returns GO string from NULL terminated C string

func (*MockMap) LookupUint64

func (m *MockMap) LookupUint64(ikey interface{}) (uint64, error)

LookupUint64 perform lookup and returns uint64

func (*MockMap) Update

func (m *MockMap) Update(ikey interface{}, ivalue interface{}) error

Update updates existing element in mock map

func (*MockMap) Upsert

func (m *MockMap) Upsert(ikey interface{}, ivalue interface{}) error

Upsert updates existing element in mock map, or inserts one if it did not exist yet

type MockProgram

type MockProgram struct {
	Attached bool
	Fd       int
	License  string
	Name     string
	Section  string
	Size     int
	ProgType goebpf.ProgramType
}

MockProgram is mock implementation for eBPF program

func NewMockProgram

func NewMockProgram(name string, tp goebpf.ProgramType) *MockProgram

NewMockProgram creates new mock program of tp type.

func (*MockProgram) Attach

func (m *MockProgram) Attach(meta interface{}) error

Attach does nothing, only to implement Program interface

func (*MockProgram) Close

func (m *MockProgram) Close() error

Close does nothing, only to implement Program interface

func (*MockProgram) Detach

func (m *MockProgram) Detach() error

Detach does nothing, only to implement Program interface

func (*MockProgram) GetFd

func (m *MockProgram) GetFd() int

GetFd returns mock program fd

func (*MockProgram) GetLicense

func (m *MockProgram) GetLicense() string

GetLicense return program's license

func (*MockProgram) GetName

func (m *MockProgram) GetName() string

GetName return program name

func (*MockProgram) GetSection

func (m *MockProgram) GetSection() string

GetSection returns the section name used by the program

func (*MockProgram) GetSize

func (m *MockProgram) GetSize() int

GetSize returns program size set by user

func (*MockProgram) GetType

func (m *MockProgram) GetType() goebpf.ProgramType

GetType returns program type

func (*MockProgram) Load

func (m *MockProgram) Load() error

Load does nothing, only to implement Program interface

func (*MockProgram) Pin

func (m *MockProgram) Pin(path string) error

Pin does nothing, just returns nil

type MockSystem

type MockSystem struct {
	Programs map[string]goebpf.Program
	Maps     map[string]goebpf.Map

	// ErrorLoadElf specifies return value for LoadElf() method.
	ErrorLoadElf error
}

MockSystem is mock implementation of eBPF system

func NewMockSystem

func NewMockSystem() *MockSystem

NewMockSystem creates mocked eBPF system with: - empty program map - all linked mock maps

func (*MockSystem) GetMapByName

func (m *MockSystem) GetMapByName(name string) goebpf.Map

GetMapByName returns eBPF map by name or nil if not found

func (*MockSystem) GetMaps

func (m *MockSystem) GetMaps() map[string]goebpf.Map

GetMaps returns all linked eBPF maps

func (*MockSystem) GetProgramByName

func (m *MockSystem) GetProgramByName(name string) goebpf.Program

GetProgramByName returns eBPF program by name or nil if not found

func (*MockSystem) GetPrograms

func (m *MockSystem) GetPrograms() map[string]goebpf.Program

GetPrograms returns map of added eBPF programs

func (*MockSystem) Load

func (m *MockSystem) Load(r io.ReaderAt) error

Load does nothing, just a mock for original Load

func (*MockSystem) LoadElf

func (m *MockSystem) LoadElf(path string) error

LoadElf does nothing, just a mock for original LoadElf