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;
 }

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