Struct epInfoCache

pkg/endpoint/cache.go:21–56

epInfoCache describes the set of lxcmap entries necessary to describe an Endpoint in the BPF maps. It is generated while holding the Endpoint lock, then used after releasing that lock to push the entries into the datapath. Functions below implement the EndpointFrontend interface with this cached inf

// after releasing that lock to push the entries into the datapath.
// Functions below implement the EndpointFrontend interface with this cached information.
type epInfoCache struct {
	// revision is used by the endpoint regeneration code to determine
	// whether this cache is out-of-date wrt the underlying endpoint.
	revision uint64

	// For datapath.loader.endpoint
	epdir  string
	id     uint64
	ifName string

	// For datapath.EndpointConfiguration
	identity               identity.NumericIdentity
	mac                    mac.MAC
	ipv4                   netip.Addr
	ipv6                   netip.Addr
	requireARPPassthrough  bool
	requireEgressProg      bool
	requireRouting         bool
	requireEndpointRoute   bool
	atHostNS               bool
	policyVerdictLogFilter uint32
	options                *option.IntOptions
	lxcMAC                 mac.MAC
	ifIndex                int
	parentIfIndex          int
	netNsCookie            uint64
	properties             map[string]any

	// endpoint is used to get the endpoint's logger.
	//
	// Do NOT use this for fetching endpoint data directly; this structure
	// is intended as a safe cache of endpoint data that is assembled while
	// holding the endpoint lock, for use beyond the holding of that lock.
	// Dereferencing fields in this endpoint is not guaranteed to be safe.
	endpoint *Endpoint
}

// Must be called when endpoint is still locked.
func (e *Endpoint) createEpInfoCache(epdir string) *epInfoCache {