config

Documentation

Index

• Variables
• func CheckConfigPath(path string) error
• func Create(path string) error
• func GetFreePort() (int, error)
• type Backend
  • func (back *Backend) ExecuteCommand(port int, rprog, script string, stdout chan string)
  • func (back *Backend) RunApp(stdout chan string) error
• type Config
  • func Read() (Config, error)

Variables

var Default = Config{
	Path:     "/belgic",
	Port:     "8080",
	Backends: "max",
	Attempts: 5,
}

Default configuration object.

Functions

func CheckConfigPath

func CheckConfigPath(path string) error

CheckConfigPath Checks that the path to create the configuration file is correct.

func Create

func Create(path string) error

Create the default configuration file.

func GetFreePort

func GetFreePort() (int, error)

GetFreePort retrieves a free (available) to set as option in R before launching application.

Types

type Backend

type Backend struct {
	Port  int
	Path  string
	Rpath string
	Mu    *sync.RWMutex
}

RCommand represents a single R command.

func (*Backend) ExecuteCommand

func (back *Backend) ExecuteCommand(port int, rprog, script string, stdout chan string)

func (*Backend) RunApp

func (back *Backend) RunApp(stdout chan string) error

runApp run a single application.

type Config

type Config struct {
	Path     string `json:"path"`       // path to application
	Port     string `json:"port"`       // port to server apps on
	Backends string `json:"background"` // number of backends to run
	Attempts int    `json:"attempts"`   // maximum number of attempts
}

Config structure.

func Read

func Read() (Config, error)

Read the configuration file.