// CreateRequestMessage creates the request json message using the given input.
// Note, the input *MUST* be a pointer to a valid backend type that this
// client recognises.
func (cs *ClientServerImpl) CreateRequestMessage(input interface{}) ([]byte, error) {
msg := &RequestMessage{}
recognizedTypes := cs.GetRecognizedTypes()
for typeStr, typeVal := range recognizedTypes {
if reflect.TypeOf(input) == reflect.PtrTo(typeVal) {
msg.Type = typeStr
break
}
}
if msg.Type == "" {
return nil, &UnrecognizedWSRequestType{reflect.TypeOf(input).String()}
}
messageData, err := jsonutil.BuildJSON(input)
if err != nil {
return nil, &NotMarshallableWSRequest{msg.Type, err}
}
msg.Message = json.RawMessage(messageData)
send, err := json.Marshal(msg)
if err != nil {
return nil, &NotMarshallableWSRequest{msg.Type, err}
}
return send, nil
}
func BenchmarkBuildJSON(b *testing.B) {
for i := 0; i < b.N; i++ {
for _, test := range jsonTests {
jsonutil.BuildJSON(test.in)
}
}
}
// Build builds a JSON payload for a JSON RPC request.
func Build(req *request.Request) {
var buf []byte
var err error
if req.ParamsFilled() {
buf, err = jsonutil.BuildJSON(req.Params)
if err != nil {
req.Error = awserr.New("SerializationError", "failed encoding JSON RPC request", err)
return
}
} else {
buf = emptyJSON
}
if req.ClientInfo.TargetPrefix != "" || string(buf) != "{}" {
req.SetBufferBody(buf)
}
if req.ClientInfo.TargetPrefix != "" {
target := req.ClientInfo.TargetPrefix + "." + req.Operation.Name
req.HTTPRequest.Header.Add("X-Amz-Target", target)
}
if req.ClientInfo.JSONVersion != "" {
jsonVersion := req.ClientInfo.JSONVersion
req.HTTPRequest.Header.Add("Content-Type", "application/x-amz-json-"+jsonVersion)
}
}
func TestBuildJSON(t *testing.T) {
for _, test := range jsonTests {
out, err := jsonutil.BuildJSON(test.in)
if test.err != "" {
assert.Error(t, err)
assert.Contains(t, err.Error(), test.err)
} else {
assert.NoError(t, err)
assert.Equal(t, string(out), test.out)
}
}
}
func BenchmarkJSONUtilBuild_Simple_dynamodbPutItem(b *testing.B) {
svc := service.New(nil)
params := getDynamodbPutItemParams(b)
for i := 0; i < b.N; i++ {
r := svc.NewRequest(&request.Operation{Name: "Operation"}, params, nil)
_, err := jsonutil.BuildJSON(r.Params)
if err != nil {
b.Fatal("Unexpected error", err)
}
}
}
func TaskFromACS(acsTask *ecsacs.Task, envelope *ecsacs.PayloadMessage) (*Task, error) {
data, err := jsonutil.BuildJSON(acsTask)
if err != nil {
return nil, err
}
task := &Task{}
err = json.Unmarshal(data, task)
if err != nil {
return nil, err
}
if task.DesiredStatus == TaskRunning && envelope.SeqNum != nil {
task.StartSequenceNumber = *envelope.SeqNum
} else if task.DesiredStatus == TaskStopped && envelope.SeqNum != nil {
task.StopSequenceNumber = *envelope.SeqNum
}
return task, nil
}