nfqdatapath

package
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Published: May 22, 2018 License: Apache-2.0 Imports: 28 Imported by: 0

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Constants

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const DefaultExternalIPTimeout = "500ms"

DefaultExternalIPTimeout is the default used for the cache for External IPTimeout.

Variables

This section is empty.

Functions

This section is empty.

Types

type Accessor

type Accessor interface {
	ContextProcessor
	RuleProcessor
}

Accessor is an interface for datapth to access contexts/rules/tokens

type ContextProcessor

type ContextProcessor interface {
	DoesContextExist(contextID string) bool
	IsContextServer(contextID string, backendip string) bool
}

ContextProcessor is an interface to provide context checks

type Datapath

type Datapath struct {

	// CacheTimeout used for Trireme auto-detecion
	ExternalIPCacheTimeout time.Duration
	// contains filtered or unexported fields
}

Datapath is the structure holding all information about a connection filter

func New

func New(
	mutualAuth bool,
	filterQueue *fqconfig.FilterQueue,
	collector collector.EventCollector,
	serverID string,
	validity time.Duration,
	service packetprocessor.PacketProcessor,
	secrets secrets.Secrets,
	mode constants.ModeType,
	procMountPoint string,
	ExternalIPCacheTimeout time.Duration,
	packetLogs bool,
	tokenaccessor tokenaccessor.TokenAccessor,
	puFromContextID cache.DataStore,
) *Datapath

New will create a new data path structure. It instantiates the data stores needed to track sessions. The data path is started with a different call. Only required parameters must be provided. Rest a pre-populated with defaults.

func NewWithDefaults

func NewWithDefaults(
	serverID string,
	collector collector.EventCollector,
	service packetprocessor.PacketProcessor,
	secrets secrets.Secrets,
	mode constants.ModeType,
	procMountPoint string,
) *Datapath

NewWithDefaults create a new data path with most things used by default

func (*Datapath) Enforce

func (d *Datapath) Enforce(contextID string, puInfo *policy.PUInfo) error

Enforce implements the Enforce interface method and configures the data path for a new PU

func (*Datapath) GetFilterQueue

func (d *Datapath) GetFilterQueue() *fqconfig.FilterQueue

GetFilterQueue returns the filter queues used by the data path

func (*Datapath) GetPortSetInstance

func (d *Datapath) GetPortSetInstance() portset.PortSet

GetPortSetInstance returns the portset instance used by data path

func (*Datapath) Run

func (d *Datapath) Run(ctx context.Context) error

Run starts the application and network interceptors

func (*Datapath) Unenforce

func (d *Datapath) Unenforce(contextID string) error

Unenforce removes the configuration for the given PU

func (*Datapath) UpdateSecrets

func (d *Datapath) UpdateSecrets(token secrets.Secrets) error

UpdateSecrets updates the secrets used for signing communication between trireme instances

type RuleProcessor

type RuleProcessor interface {
	CheckRejectRecvRules(contextID string) (int, bool)
	CheckAcceptRecvRules(contextID string) (int, bool)
	CheckRejectTxRules(contextID string) (int, bool)
	CheckAcceptTxRules(contextID string) (int, bool)
}

RuleProcessor is an interface to access rules

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