/
group.go
52 lines (44 loc) · 992 Bytes
/
group.go
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package libqatapult
type Device interface {
// GetCliArgs returns arguments to be passed to the QEMU
// command line for this device.
GetCliArgs() ([]string, error)
}
type FilesProvider interface {
Device
// GetFiles provides any files needed by the given device to
// function properly.
GetFiles() []File
}
// DeviceGroup groups individual devices together.
type DeviceGroup struct {
devices []Device
}
func (g *DeviceGroup) GetFiles() []File {
var files []File
for _, dev := range g.devices {
if dev == nil {
continue
}
if p, ok := dev.(FilesProvider); ok {
files = append(files, p.GetFiles()...)
}
}
return files
}
func (g *DeviceGroup) GetCliArgs() (out []string, err error) {
for _, dev := range g.devices {
if dev == nil {
continue
}
args, err := dev.GetCliArgs()
if err != nil {
return nil, err
}
out = append(out, args...)
}
return
}
func NewDeviceGroup(devices ...Device) *DeviceGroup {
return &DeviceGroup{devices: devices}
}