// Serialize serializes the MojomDescriptor into a binary form that is passed to the
// backend of the compiler in order to invoke the code generators.
// To do this we use Mojo serialization.
// If |debug| is true we also return a human-readable representation
// of the serialized mojom_types.FileGraph.
func Serialize(d *mojom.MojomDescriptor, debug bool) (bytes []byte, debugString string, err error) {
fileGraph := translateDescriptor(d)
if debug {
debugString = myfmt.Sprintf("%#v", fileGraph)
}
encoder := bindings.NewEncoder()
fileGraph.Encode(encoder)
bytes, _, err = encoder.Data()
return
}
// Serializes the MojomDescriptor into a binary form that is passed to the
// backend of the compiler in order to invoke the code generators.
// To do this we use Mojo serialization.
func (d *MojomDescriptor) Serialize() (bytes []byte, err error) {
fileGraph := translateDescriptor(d)
encoder := bindings.NewEncoder()
fileGraph.Encode(encoder)
bytes, _, err = encoder.Data()
return
}
func BenchmarkMojoEncoding(b *testing.B) {
for i := 0; i < b.N; i++ {
enc := bindings.NewEncoder()
customer.Encode(enc)
enc.Data()
}
}
func encodeMessageFromVom(header bindings.MessageHeader, argptrs []interface{}, t *vdl.Type) (*bindings.Message, error) {
// Convert argptrs into their true form: []*vom.RawBytes
inargs := make([]*vom.RawBytes, len(argptrs))
for i := range argptrs {
inargs[i] = *argptrs[i].(**vom.RawBytes)
}
encoder := bindings.NewEncoder()
if err := header.Encode(encoder); err != nil {
return nil, err
}
if bytes, handles, err := encoder.Data(); err != nil {
return nil, err
} else {
target := transcoder.ToMojomTarget()
if err := util.JoinRawBytesAsStruct(target, t, inargs); err != nil {
return nil, err
}
moreBytes := target.Bytes()
// Append the encoded "payload" to the end of the slice.
bytes = append(bytes, moreBytes...)
return &bindings.Message{
Header: header,
Bytes: bytes,
Handles: handles,
Payload: moreBytes,
}, nil
}
}
func mojomBytesCustomer() []byte {
enc := bindings.NewEncoder()
err := customer.Encode(enc)
if err != nil {
panic(err)
}
data, _, err := enc.Data()
if err != nil {
panic(err)
}
return data
}
func encode(t *testing.T, value Encodable) ([]byte, []system.UntypedHandle, error) {
encoder := bindings.NewEncoder()
err := value.Encode(encoder)
if err != nil {
return nil, nil, err
}
bytes, handles, err := encoder.Data()
if err != nil {
return nil, nil, err
}
return bytes, handles, nil
}
func mojoEncode(mojoValue interface{}) ([]byte, error) {
payload, ok := mojoValue.(encodable)
if !ok {
return nil, fmt.Errorf("type %T lacks an Encode() method", mojoValue)
}
enc := bindings.NewEncoder()
err := payload.Encode(enc)
if err != nil {
return nil, fmt.Errorf("error in Encode: %v", err)
}
data, _, err := enc.Data()
if err != nil {
return nil, fmt.Errorf("error in Data()", err)
}
return data, nil
}
func (s *messageReceiver) Accept(message *bindings.Message) (err error) {
if _, ok := s.header.ifaceSig.Methods[message.Header.Type]; !ok {
return fmt.Errorf("Method had index %d, but interface only has %d methods",
message.Header.Type, len(s.header.ifaceSig.Methods))
}
methodSig := s.header.ifaceSig.Methods[message.Header.Type]
methodName := *methodSig.DeclData.ShortName
// Should we perform validation of flags like generated methods?
// Does this handle 0-arg methods?
messageBytes := message.Payload
if methodSig.ResponseParams == nil {
// This may be complicated to support because of a race on the server side.
// When we send the no-response message through mojo we don't know when it has been received
// and we can close the pipe (one is opened per incoming message).
// Note that because the client expects no response, it will not receive the following
// error.
return fmt.Errorf("this error not received")
}
response, err := s.call(s.header.v23Name, methodName, messageBytes, methodSig.Parameters, methodSig.ResponseParams)
if err != nil {
return err
}
// TODO(alexfandrianto): This assumes that bindings.Encoder has the method
// WriteRawBytes. We will need to add this to Mojo ourselves.
// func (e *Encoder) WriteRawBytes(data []byte) {
// first := e.end
// e.claimData(align(len(data), defaultAlignment))
// copy(e.buf[first:], data)
// }
//
// See: https://codereview.chromium.org/1416433002/
responseHeader := bindings.MessageHeader{
Type: message.Header.Type,
Flags: bindings.MessageIsResponseFlag,
RequestId: message.Header.RequestId,
}
// responseMessage, err := bindings.EncodeMessage(responseHeader, byteCopyingPayload(response))
// if err != nil {
// return err
// }
// return s.connector.WriteMessage(responseMessage)
// TODO(alexfandrianto): Replace this block with the above.
encoder := bindings.NewEncoder()
if err := responseHeader.Encode(encoder); err != nil {
return err
}
if bytes, handles, err := encoder.Data(); err != nil {
return err
} else {
// response is our payload; append to the end of our slice.
bytes = append(bytes, response...)
// This is analogous to bindings.newMessage
responseMessage := &bindings.Message{
Header: responseHeader,
Bytes: bytes,
Handles: handles,
Payload: response,
}
return s.connector.WriteMessage(responseMessage)
}
}
