netdb

Documentation

Index

• type ServiceNames
  • func LoadServicesDB(protocols, services io.Reader) (*ServiceNames, error)
  • func (db *ServiceNames) ByPortAndProtocolName(port int, nameOrAlias string) string
  • func (db *ServiceNames) ByPortAndProtocolNumber(port, protoNum int) string

Types

type ServiceNames

type ServiceNames struct {
	// contains filtered or unexported fields
}

func LoadServicesDB

func LoadServicesDB(protocols, services io.Reader) (*ServiceNames, error)

LoadServicesDB receives readers to the /etc/protocols and /etc/services formatted content and returns a database that allow querying service names from ports and protocol information

func (*ServiceNames) ByPortAndProtocolName

func (db *ServiceNames) ByPortAndProtocolName(port int, nameOrAlias string) string

ByPortAndProtocolName returns the service name given a port and a protocol name (or its alias). If the protocol does not exist, returns the name of any service matching the port number.

func (*ServiceNames) ByPortAndProtocolNumber

func (db *ServiceNames) ByPortAndProtocolNumber(port, protoNum int) string

ByPortAndProtocolNumber returns the service name given a port and a protocol number. If the protocol does not exist, returns the name of any service matching the port number.