/// <summary> /// Invoke remote procedure via zbus using JSON data format /// </summary> /// <param name="method">method name to invoke</param> /// <param name="args">method arguments</param> /// <returns>primitive type or Dictionary<string,object> instance</returns> public object Invoke(string method, params object[] args) { Dictionary <string, object> req = new Dictionary <string, object>(); req["id"] = "jsonrpc"; req["method"] = method; req["params"] = args; string json = JSON.Instance.ToJSON(req); ZMsg request = new ZMsg(); request.PushBack(this.Encoding.GetBytes(json)); ZMsg result = this.client.Request(this.Service, this.Token, request, this.timeout); if (result == null) { throw new ZBusException("json rpc request timeout"); } if (result.FrameSize != 2) { throw new ZBusException("json rpc result format error"); } Dictionary <string, object> res = null; string status = result.PopFrontStr(); if (status.Equals("200")) { try { json = result.PopBackStr(this.Encoding); res = (Dictionary <string, object>)JSON.Instance.Parse(json); if (res.ContainsKey("result")) { return(res["result"]); } else { throw new ZBusException((string)res["error"]); } } catch (System.Exception ex) { throw new ZBusException(ex.Message); } } else { throw new ZBusException(result.PopBackStr(this.Encoding)); } }