package base // This is a wrapper to statisfy the GRPC service interface // It is meant to be used by the main executable that is the server for the specific backend type (falcon, gpt3, etc) import ( "fmt" "os" "github.com/go-skynet/LocalAI/api/schema" pb "github.com/go-skynet/LocalAI/pkg/grpc/proto" gopsutil "github.com/shirou/gopsutil/v3/process" ) // Base is a base class for all backends to implement // Note: the backends that does not support multiple requests // should use SingleThread instead type Base struct { } func (llm *Base) Locking() bool { return false } func (llm *Base) Lock() { panic("not implemented") } func (llm *Base) Unlock() { panic("not implemented") } func (llm *Base) Busy() bool { return false } func (llm *Base) Load(opts *pb.ModelOptions) error { return fmt.Errorf("unimplemented") } func (llm *Base) Predict(opts *pb.PredictOptions) (string, error) { return "", fmt.Errorf("unimplemented") } func (llm *Base) PredictStream(opts *pb.PredictOptions, results chan string) error { return fmt.Errorf("unimplemented") } func (llm *Base) Embeddings(opts *pb.PredictOptions) ([]float32, error) { return []float32{}, fmt.Errorf("unimplemented") } func (llm *Base) GenerateImage(*pb.GenerateImageRequest) error { return fmt.Errorf("unimplemented") } func (llm *Base) AudioTranscription(*pb.TranscriptRequest) (schema.Result, error) { return schema.Result{}, fmt.Errorf("unimplemented") } func (llm *Base) TTS(*pb.TTSRequest) error { return fmt.Errorf("unimplemented") } func (llm *Base) TokenizeString(opts *pb.PredictOptions) (pb.TokenizationResponse, error) { return pb.TokenizationResponse{}, fmt.Errorf("unimplemented") } // backends may wish to call this to capture the gopsutil info, then enhance with additional memory usage details? func (llm *Base) Status() (pb.StatusResponse, error) { return pb.StatusResponse{ Memory: memoryUsage(), }, nil } func memoryUsage() *pb.MemoryUsageData { mud := pb.MemoryUsageData{ Breakdown: make(map[string]uint64), } pid := int32(os.Getpid()) backendProcess, err := gopsutil.NewProcess(pid) if err == nil { memInfo, err := backendProcess.MemoryInfo() if err == nil { mud.Total = memInfo.VMS // TEST, but rss seems reasonable first guess. Does include swap, but we might care about that. mud.Breakdown["gopsutil-RSS"] = memInfo.RSS } } return &mud }