From f80951fdc3f37653fca8e0c9a21cb53b4397039b Mon Sep 17 00:00:00 2001 From: cheliequan <liequanche@126.com> Date: 星期四, 12 一月 2023 21:08:35 +0800 Subject: [PATCH] 增加返回protobuf结构体是vector类型处理方法,还需要封装优化 --- rule.cpp | 68 ++++++++++++++++++++++++++++++++++ 1 files changed, 68 insertions(+), 0 deletions(-) diff --git a/rule.cpp b/rule.cpp index df571c1..5d23f2c 100644 --- a/rule.cpp +++ b/rule.cpp @@ -1,10 +1,78 @@ #include "rule.h" #include "util.h" +#include "3rdparty/yyjson/yyjson.h" using namespace protomsg; bool dbapi_get_time_rules(void *handle, vector<protomsg::CameraTimerule> & list) { const char *topic = DATA_URL_PREFIX("/cameraTimerule/findAll"); + char * ptr_value = NULL; + size_t data_len = 0; + //get the topic json data + yyjson_type type = YYJSON_TYPE_OBJ; + crepmsg *repmsg = NULL; + size_t len = 0; + protomsg::CameraTimerule CameraTimeRule; + int ret = 0; + + ret = bus_dbapi_get_topic_data(handle, topic, &repmsg, len); + if ( ret < 0 || NULL == repmsg) + { + return false; + } + + //parse the json to get value of the key "data" + int msglen = strlen(repmsg->data); + char* msgdata = (char *)malloc(msglen); + memset(msgdata, 0 , msglen); + + if(0 == bus_dbapi_get_json_data((const char *)repmsg->data, &msgdata, &type)) + { + printf("======>> protomsg: %s\n", msgdata); + } + + //iterate the array to get the protobuf message + if (YYJSON_TYPE_ARR == type) + { + + printf("======>> deal the ARRAY\n"); + // Read JSON and get root + yyjson_doc *doc = yyjson_read(msgdata, strlen(msgdata), 0); + yyjson_val *arr = yyjson_doc_get_root(doc); + + //yyjson_val *arr = yyjson_obj_get(root, "data"); + yyjson_val *val; + yyjson_arr_iter iter; + yyjson_arr_iter_init(arr, &iter); + while ((val = yyjson_arr_iter_next(&iter))) + { + data_len = 0; + ptr_value = yyjson_val_write(val, YYJSON_WRITE_NOFLAG, &data_len); + printf("data: %s\n", ptr_value); + printf("len: %lu\n", data_len); + + std::string jsonString = ptr_value; + if (json_to_proto(jsonString, CameraTimeRule)) + { + printf("======>> json_to_proto done\n"); + list.push_back(CameraTimeRule); + } + else + { + printf("======>> json_to_proto fail\n"); + yyjson_doc_free(doc); + free(msgdata); + return false; + } + } + + // Free the doc + yyjson_doc_free(doc); + } + + free(msgdata); + free_reply_msg(repmsg); + return true; } -- Gitblit v1.8.0