Instance Property

isConstrained

A Boolean value that indicates whether the connection operates over an interface marked as constrained.

Declaration

var isConstrained: Bool { get }

Discussion

A constrained interface is one the user marks as constrained by selecting “Low Data Mode” in the Settings app. You permit or deny use of constrained interfaces with the allowsConstrainedNetworkAccess property on URLSessionConfiguration or allowsConstrainedNetworkAccess on URLRequest.

See Also

Accessing Transaction Characteristics

var networkProtocolName: String?

The network protocol used to fetch the resource.

var remoteAddress: String?

The IP address string of the remote interface for the connection.

var remotePort: Int?

The port number of the remote interface for the connection.

var localAddress: String?

The IP address string of the local interface for the connection.

var localPort: Int?

The port number of the local interface for the connection.

var negotiatedTLSCipherSuite: tls_ciphersuite_t?

The TLS cipher suite the task negotiated with the endpoint for the connection.

var negotiatedTLSProtocolVersion: tls_protocol_version_t?

The TLS protocol version the task negotiated with the endpoint for the connection.

var isCellular: Bool

A Boolean value that indicates whether the connection operates over a cellular interface.

var isExpensive: Bool

A Boolean value that indicates whether the connection operates over an expensive interface.

var isProxyConnection: Bool

A Boolean value that indicastes whether the task used a proxy connection to fetch the resource.

var isReusedConnection: Bool

A Boolean value that indicates whether the task used a persistent connection to fetch the resource.

var isMultipath: Bool

A Boolean value that indicates whether the connection uses a successfully negotiated multipath protocol.

var resourceFetchType: URLSessionTaskMetrics.ResourceFetchType

A value that indicates whether the resource was loaded, pushed, or retrieved from the local cache.

enum URLSessionTaskMetrics.ResourceFetchType

The manner in which a resource is fetched.