spot-sdk-js/bosdyn-client/processors.js

Develop applications and payloads for Spot using the unofficial Boston Dynamics Spot Node.js SDK.

const header_pb = require('../bosdyn/api/header_pb');
const {now_timestamp} = require('../bosdyn-core/util');
const time = require('google-protobuf/google/protobuf/timestamp_pb');

/**
* Sets header fields common to all bosdyn.api requests. 
* @class AddRequestHeader
*/ 
class AddRequestHeader {

	/**
	* Constructor, takes function to access the client name to insert into request headers.
	* @param {function} client_name_func
	*/ 
	constructor(client_name_func){
		this.get_client_name = client_name_func;
	}

	_create_header(){
		const time = now_timestamp();
		const header = new header_pb.RequestHeader()
		.setRequestTimestamp(time)
		.setClientName(this.get_client_name());
		return header;
	}

	/**
	* Mutate request such that its header contains a client name and a timestamp.
	* Headers are not required for third party proto requests/responses.
    */ 
    mutate(request){
    	const header = this._create_header();
    	try{
    		request.setHeader(header);
    	}catch(e){

    	}
    }
};

module.exports = {
	AddRequestHeader
};