net

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Published: Jun 27, 2016 License: Apache-2.0 Imports: 13 Imported by: 0

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Constants

This section is empty.

Variables

This section is empty.

Functions

func ChooseBindAddress

func ChooseBindAddress(bindAddress net.IP) (net.IP, error)

If bind-address is usable, return it directly If bind-address is not usable (unset, 0.0.0.0, or loopback), we will use the host's default interface.

func ChooseHostInterface

func ChooseHostInterface() (net.IP, error)

ChooseHostInterface is a method used fetch an IP for a daemon. It uses data from /proc/net/route file. For a node with no internet connection ,it returns error For a multi n/w interface node it returns the IP of the interface with gateway on it.

func FormatURL

func FormatURL(scheme string, host string, port int, path string) *url.URL

func GetClientIP

func GetClientIP(req *http.Request) net.IP

Extracts and returns the clients IP from the given request. Looks at X-Forwarded-For header, X-Real-Ip header and request.RemoteAddr in that order. Returns nil if none of them are set or is set to an invalid value.

func GetHTTPClient

func GetHTTPClient(req *http.Request) string

func IsProbableEOF

func IsProbableEOF(err error) bool

IsProbableEOF returns true if the given error resembles a connection termination scenario that would justify assuming that the watch is empty. These errors are what the Go http stack returns back to us which are general connection closure errors (strongly correlated) and callers that need to differentiate probable errors in connection behavior between normal "this is disconnected" should use the method.

func JoinSchemeNamePort

func JoinSchemeNamePort(scheme, name, port string) string

JoinSchemeNamePort returns a string that specifies the scheme, name, and port:

  • "<name>"
  • "<name>:<port>"
  • "<scheme>:<name>:<port>"

None of the parameters may contain a ':' character Name is required Scheme must be "", "http", or "https"

func SetTransportDefaults

func SetTransportDefaults(t *http.Transport) *http.Transport

SetTransportDefaults applies the defaults from http.DefaultTransport for the Proxy, Dial, and TLSHandshakeTimeout fields if unset

func SplitSchemeNamePort

func SplitSchemeNamePort(id string) (scheme, name, port string, valid bool)

SplitSchemeNamePort takes a string of the following forms:

  • "<name>", returns "", "<name>","", true
  • "<name>:<port>", returns "", "<name>","<port>",true
  • "<scheme>:<name>:<port>", returns "<scheme>","<name>","<port>",true

Name must be non-empty or valid will be returned false. Scheme must be "http" or "https" if specified Port is returned as a string, and it is not required to be numeric (could be used for a named port, for example).

func TLSClientConfig

func TLSClientConfig(transport http.RoundTripper) (*tls.Config, error)

Types

type DialFunc

type DialFunc func(net, addr string) (net.Conn, error)

func Dialer

func Dialer(transport http.RoundTripper) (DialFunc, error)

type PortRange

type PortRange struct {
	Base int
	Size int
}

PortRange represents a range of TCP/UDP ports. To represent a single port, set Size to 1.

func ParsePortRange

func ParsePortRange(value string) (*PortRange, error)

ParsePortRange parses a string of the form "min-max", inclusive at both ends, and initializs a new PortRange from it.

func ParsePortRangeOrDie

func ParsePortRangeOrDie(value string) *PortRange

func (*PortRange) Contains

func (pr *PortRange) Contains(p int) bool

Contains tests whether a given port falls within the PortRange.

func (*PortRange) Set

func (pr *PortRange) Set(value string) error

Set parses a string of the form "min-max", inclusive at both ends, and sets the PortRange from it. This is part of the flag.Value and pflag.Value interfaces.

func (PortRange) String

func (pr PortRange) String() string

String converts the PortRange to a string representation, which can be parsed by PortRange.Set or ParsePortRange.

func (*PortRange) Type

func (*PortRange) Type() string

Type returns a descriptive string about this type. This is part of the pflag.Value interface.

type RoundTripperWrapper

type RoundTripperWrapper interface {
	http.RoundTripper
	WrappedRoundTripper() http.RoundTripper
}

type Route

type Route struct {
	Interface   string
	Destination net.IP
	Gateway     net.IP
}

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