protocol

type DriverImageState struct {
	// Referene is the image reference from where retrieved.
	Reference string `json:"reference"`
	// This fields are from manifest.Manifest, due to some limitation of
	// proteus, can't be used directly.
	// Language of the driver.
	Language string `json:"language"`
	// Version of the driver.
	Version string `json:"version,omitempty"`
	// Build time at the compilation of the image.
	Build time.Time `json:"build,omitempty"`
	// Status is the development status of the driver (alpha, beta, etc)
	Status string `json:"status"`
	// OS is the linux distribution running on the driver container.
	OS string `json:"os"`
	// Native version is the version of the compiler/interpreter being use in the
	// native side of the driver.
	NativeVersion []string `json:"native_version"`
	// Go version of the go runtime being use in the driver.
	GoVersion string `json:"go_version"`
}

type DriverInstanceState struct {
	// ID of the container executing the driver.
	ID string `json:"id"`
	// Image used by the container.
	Image string
	// Status current status of the driver.
	Status Status `json:"status"`
	// Create when the driver instances was created.
	Created time.Time `json:"created"`
	// Processes are the pids of the processes running inside of the container.
	Processes []int `json:"processes"`
}

type DriverInstanceStatesRequest struct {
}

type DriverInstanceStatesResponse struct {
	protocol.Response
	// State represent the state of each driver instance in the daemon.
	State []*DriverInstanceState
}

type DriverPoolState struct {
	// Instances number of driver instances wanted.
	Wanted int `json:"wanted"`
	// Running number of driver instances running.
	Running int `json:"running"`
	// Waiting number of request waiting for a request be executed.
	Waiting int `json:"waiting"`
	// Success number of requests executed successfully.
	Success int `json:"success"`
	// Errors number of errors trying to process a request.
	Errors int `json:"errors"`
	// Exited number of drivers exited unexpectedly.
	Exited int `json:"exited"`
}

type DriverPoolStatesRequest struct {
}

type DriverPoolStatesResponse struct {
	protocol.Response
	// State represent the state of each pool in the daemon.
	State map[string]*DriverPoolState
}

type DriverStatesRequest struct {
}

type DriverStatesResponse struct {
	protocol.Response
	// State represent the state of each driver in the storage.
	State []*DriverImageState
}

type InstallDriverRequest struct {
	// Language supported by the driver being installed.
	Language string
	// ImageReference is the name of the image to be installed in the following
	// format: `transport:[//]name[:tag]`. The default value for tag is `latest`
	ImageReference string
	// Update indicates whether an image should be updated. When set to false,
	// the installation fails if the image already exists.
	Update bool
}

type ProtocolServiceClient interface {
	DriverInstanceStates(ctx context.Context, in *DriverInstanceStatesRequest, opts ...grpc.CallOption) (*DriverInstanceStatesResponse, error)
	DriverPoolStates(ctx context.Context, in *DriverPoolStatesRequest, opts ...grpc.CallOption) (*DriverPoolStatesResponse, error)
	DriverStates(ctx context.Context, in *DriverStatesRequest, opts ...grpc.CallOption) (*DriverStatesResponse, error)
	InstallDriver(ctx context.Context, in *InstallDriverRequest, opts ...grpc.CallOption) (*Response, error)
	RemoveDriver(ctx context.Context, in *RemoveDriverRequest, opts ...grpc.CallOption) (*Response, error)
}

type ProtocolServiceServer interface {
	DriverInstanceStates(context.Context, *DriverInstanceStatesRequest) (*DriverInstanceStatesResponse, error)
	DriverPoolStates(context.Context, *DriverPoolStatesRequest) (*DriverPoolStatesResponse, error)
	DriverStates(context.Context, *DriverStatesRequest) (*DriverStatesResponse, error)
	InstallDriver(context.Context, *InstallDriverRequest) (*Response, error)
	RemoveDriver(context.Context, *RemoveDriverRequest) (*Response, error)
}

type RemoveDriverRequest struct {
	// Language supported by the driver to be deleted.
	Language string
}

type Response protocol.Response

type Service interface {
	InstallDriver(language string, image string, update bool) error
	RemoveDriver(language string) error
	DriverStates() ([]*DriverImageState, error)
	DriverPoolStates() map[string]*DriverPoolState
	DriverInstanceStates() ([]*DriverInstanceState, error)
}

type Status int