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 (s *messageReceiver) call(name, method string, value []byte, inParamsType mojom_types.MojomStruct, outParamsType *mojom_types.MojomStruct) ([]byte, error) {
s.ctx.Infof("server: %s.%s: %#v", name, method, inParamsType)
inVType, err := transcoder.MojomStructToVDLType(inParamsType, s.header.desc)
if err != nil {
return nil, err
}
// Decode the vom.RawBytes from the mojom bytes and mojom type.
target := util.StructSplitTarget()
if err := transcoder.FromMojo(target, value, inVType); err != nil {
return nil, fmt.Errorf("transcoder.FromMojo failed: %v", err)
}
// inVdlValue is a struct, but we need to send []interface.
inargs := target.Fields()
inargsIfc := make([]interface{}, len(inargs))
for i := range inargs {
inargsIfc[i] = inargs[i]
}
// We know that the v23serverproxy will give us back a bunch of
// data in []interface{}. so we'll want to decode them into *vom.RawBytes.
s.ctx.Infof("%s %v", method, outParamsType)
var numParams int
if outParamsType != nil {
numParams = len(outParamsType.Fields)
}
outargs := make([]*vom.RawBytes, numParams)
outptrs := make([]interface{}, len(outargs))
for i := range outargs {
outptrs[i] = &outargs[i]
}
// Now, run the call without any authorization.
if err := v23.GetClient(s.ctx).Call(s.ctx, name, method, inargsIfc, outptrs, options.ServerAuthorizer{security.AllowEveryone()}); err != nil {
return nil, err
}
if outParamsType == nil {
return nil, nil
}
outVType, err := transcoder.MojomStructToVDLType(*outParamsType, s.header.desc)
if err != nil {
return nil, err
}
toMojoTarget := transcoder.ToMojomTarget()
if err := util.JoinRawBytesAsStruct(toMojoTarget, outVType, outargs); err != nil {
return nil, err
}
return toMojoTarget.Bytes(), nil
}