Method getParameters

libapp2sys/src/main/cpp/protocol.h:1280–1310

    }

    int64_t getParameters(const char *data, int tid, int64_t timestamp) {
        IClientEngine *pEngine = engine();
        if (!pEngine) {
            return -3;
        }
        int64_t requestid = 0L;
        if (HEADER_VERSION >= HEADER_JSON_VERSION) {//json
            cJSON *jsonRequest;
            jsonRequest = cJSON_Parse(data);
            cJSON_AddNumberToObject(jsonRequest, "jsonVersion", JSON_VERSION);
            cJSON_AddNumberToObject(jsonRequest, "funcid", FUNC_GET_PARAMETERS);

            char *body = cJSON_Print(jsonRequest);
            std::string str(body);
            pdbg("getParameters:%s", body);
            uint32_t len = str.length();
            cJSON_Delete(jsonRequest);
            requestid = pEngine ->sendReq(FUNC_GET_PARAMETERS, (uint8_t *)body, len, tid, timestamp);
            free(body);
        } else {
            amc::GetParameters  request;
            request.set_data(data);
            uint32_t len = request.ByteSize();
            uint8_t body[len];
            request.SerializeToArray(body, len);
            requestid = pEngine->sendReq(FUNC_GET_PARAMETERS, body, len, tid, timestamp);

            pdbg("getParameters requestid:%lld, request size:%d", requestid, request.ByteSize());
        }
        return requestid;
    }

    int onCallback(int uid, int funcid, uint64_t requestid, int bodyFormat, uint64_t timestamp, int retCode, uint8_t *data, int len) {
        UNUSED(uid);