From db57152615104b4634c42946a912200a58bc5f93 Mon Sep 17 00:00:00 2001
From: cheliequan <liequanche@126.com>
Date: 星期五, 13 一月 2023 17:58:49 +0800
Subject: [PATCH] 1.重构代码，将模板函数分成两个函数 2.增加get_value_by_key函数
---
util.cpp | 106 +++++++++++++++++++++++++++++++++++++++++++++++++++--
1 files changed, 102 insertions(+), 4 deletions(-)
diff --git a/util.cpp b/util.cpp
index 9eedab4..744ea88 100644
--- a/util.cpp
+++ b/util.cpp
@@ -145,12 +145,14 @@
if (bus_client_request(handle, reqmsg, pptr_repmsg)) {
printf("======>> bus_client_reqest [%s] get [%s]\n", topic, (*pptr_repmsg)->data);
} else {
+ free(reqData);
return false;
}
len = strlen((*pptr_repmsg)->data) + 1;
- free(reqData);
+ free(reqData);
+ return true;
}
@@ -158,6 +160,7 @@
yyjson_type type = YYJSON_TYPE_OBJ;
crepmsg *repmsg = NULL;
size_t len = 0;
+ bool bRet = false;
bus_dbapi_get_topic_data(handle, topic, &repmsg, len);
@@ -171,19 +174,114 @@
}
std::string jsonString = msgdata;
- if (json_to_proto(jsonString, message))
+ bRet = json_to_proto(jsonString, message);
+ if (bRet)
{
printf("======>> json_to_proto done\n");
}
else
{
printf("======>> json_to_proto fail\n");
- return false;
}
free(msgdata);
free_reply_msg(repmsg);
- return true;
+ return bRet;
}
+/*****************************************************************************
+ 鍑� 鏁� 鍚� : bus_dbapi_get_str
+ 鍔熻兘鎻忚堪 : 鑾峰彇璁㈤槄涓婚娑堟伅瀛楃涓诧紝杩斿洖鐨勫唴瀛樿皟鐢ㄨ�呴渶瑕佹墜宸ヨ皟鐢╢ree鍑芥暟閲婃斁
+ 杈撳叆鍙傛暟 : void *handle
+ const char* topic
+ char **pptr_str
+ 杈撳嚭鍙傛暟 : 鏃�
+ 杩� 鍥� 鍊� :
+ 璋冪敤鍑芥暟 :
+ 琚皟鍑芥暟 :
+
+ 淇敼鍘嗗彶 :
+ 1.鏃� 鏈� : 2023骞�1鏈�13鏃�
+ 浣� 鑰� : cheliequan
+ 淇敼鍐呭 : 鏂扮敓鎴愬嚱鏁�
+
+*****************************************************************************/
+bool bus_dbapi_get_str(void *handle, const char* topic, char **pptr_str) {
+ yyjson_type type = YYJSON_TYPE_OBJ;
+ crepmsg *repmsg = NULL;
+ size_t len = 0;
+ int iRet = 0;
+ bool bRet = false;
+
+ bus_dbapi_get_topic_data(handle, topic, &repmsg, len);
+
+ int msglen = strlen(repmsg->data);
+ char* msgdata = (char *)malloc(msglen);
+ memset(msgdata, 0 , msglen);
+
+ iRet = bus_dbapi_get_json_data((const char *)repmsg->data, &msgdata, &type);
+ if(0 == iRet)
+ {
+ printf("======>> protomsg: %s\n", msgdata);
+ bRet = true;
+ }
+
+ *pptr_str = msgdata;
+
+ free(msgdata);
+ free_reply_msg(repmsg);
+
+ return bRet;
+}
+
+/*****************************************************************************
+ 鍑� 鏁� 鍚� : get_value_by_key
+ 鍔熻兘鎻忚堪 : 鑾峰彇json瀛楃涓蹭腑瀛楁涓簁ey鍊肩殑value锛宲ptr_data鍐呭瓨闇�瑕佺敤鎴风敵璇峰拰閲婃斁
+ 杈撳叆鍙傛暟 : char *json
+ const char *key
+ char **pptr_data
+ 杈撳嚭鍙傛暟 : 鏃�
+ 杩� 鍥� 鍊� :
+ 璋冪敤鍑芥暟 :
+ 琚皟鍑芥暟 :
+
+ 淇敼鍘嗗彶 :
+ 1.鏃� 鏈� : 2023骞�1鏈�13鏃�
+ 浣� 鑰� : cheliequan
+ 淇敼鍐呭 : 鏂扮敓鎴愬嚱鏁�
+
+*****************************************************************************/
+int get_value_by_key(char *json, const char *key, char **pptr_data)
+{
+ size_t data_len = 0;
+
+ // Read JSON and get root
+ yyjson_doc *doc = yyjson_read(json, strlen(json), 0);
+ yyjson_val *root = yyjson_doc_get_root(doc);
+
+ // Get root[key]
+ yyjson_val *val = yyjson_obj_get(root, key);
+
+ char * val_str = (char *)yyjson_get_str(val);
+ printf("val: %s\n", val_str);
+ if(NULL == val_str)
+ {
+ yyjson_doc_free(doc);
+ return -1;
+ }
+
+
+ char *ptr_value = yyjson_val_write(val, YYJSON_WRITE_NOFLAG, &data_len);
+ printf("data: %s\n", ptr_value);
+ printf("len: %lu\n", data_len);
+
+ *pptr_data = (char *)malloc(data_len);
+ memset(*pptr_data, 0, data_len);
+ memcpy(*pptr_data, ptr_value, data_len);
+
+ // Free the doc
+ yyjson_doc_free(doc);
+
+ return 0;
+}
--
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