1 //go:build windows 2 3 package hns 4 5 import ( 6 "encoding/json" 7 "fmt" 8 9 "github.com/Microsoft/hcsshim/internal/hcserror" 10 "github.com/Microsoft/hcsshim/internal/interop" 11 "github.com/sirupsen/logrus" 12 ) 13 14 func hnsCallRawResponse(method, path, request string) (*hnsResponse, error) { 15 var responseBuffer *uint16 16 logrus.Debugf("[%s]=>[%s] Request : %s", method, path, request) 17 18 err := _hnsCall(method, path, request, &responseBuffer) 19 if err != nil { 20 return nil, hcserror.New(err, "hnsCall ", "") 21 } 22 response := interop.ConvertAndFreeCoTaskMemString(responseBuffer) 23 24 hnsresponse := &hnsResponse{} 25 if err = json.Unmarshal([]byte(response), &hnsresponse); err != nil { 26 return nil, err 27 } 28 return hnsresponse, nil 29 } 30 31 func hnsCall(method, path, request string, returnResponse interface{}) error { 32 hnsresponse, err := hnsCallRawResponse(method, path, request) 33 if err != nil { 34 return fmt.Errorf("failed during hnsCallRawResponse: %v", err) 35 } 36 if !hnsresponse.Success { 37 return fmt.Errorf("hns failed with error : %s", hnsresponse.Error) 38 } 39 40 if len(hnsresponse.Output) == 0 { 41 return nil 42 } 43 44 logrus.Debugf("Network Response : %s", hnsresponse.Output) 45 err = json.Unmarshal(hnsresponse.Output, returnResponse) 46 if err != nil { 47 return err 48 } 49 50 return nil 51 } 52