added datetime change API

edge_engine/common/config.py

@@ -36,6 +36,9 @@ MONGO_URI_ADD_EVENTLOGS = CONFIG_ENV.get('MONGO_URI',None)
 url = GET_JANUS_DETAILS + DEPLOYMENT_ID
 EDGE_CONFIG = requests.get(url).json()["data"]
 LAST_COUNT = requests.get(url).json()["latest_count"]
+date_url = "http://192.168.3.181/camera_api/get_curr_datetime"
+DATE_TIME = requests.get(date_url).json()["current_time"]
+
 if not LAST_COUNT:
     LAST_COUNT = 0
 DEVICE_ID = EDGE_CONFIG["deviceId"]

scripts/cement_counter.py

@@ -13,9 +13,12 @@ from scripts.utils.image_utils import draw_circles_on_frame
 from scripts.utils.tracker import Tracker
 from scripts.utils.yolov5_trt import YoloV5TRT
 from scipy.optimize import linear_sum_assignment as linear_assignment
-from edge_engine.common.config import EDGE_CONFIG, LAST_COUNT, MONGO_URI_ADD_EVENTLOGS
+from edge_engine.common.config import EDGE_CONFIG, LAST_COUNT, MONGO_URI_ADD_EVENTLOGS, DATE_TIME
 import requests
 from uuid import uuid1
+import ctypes
+import ctypes.util
+import time
 
 class CementBagCounter(ModelWrapper):
 
@@ -55,7 +58,36 @@ class CementBagCounter(ModelWrapper):
         self.frame_count = 0
         self.frame = None
         self.centroid_distance = 10
+        self.set_time(DATE_TIME)
 
+    def set_time(self, time_tuple):
+
+
+        # /usr/include/linux/time.h:
+        #
+        # define CLOCK_REALTIME                     0
+        CLOCK_REALTIME = 0
+
+        # /usr/include/time.h
+        #
+        # struct timespec
+        #  {
+        #    __time_t tv_sec;            /* Seconds.  */
+        #    long int tv_nsec;           /* Nanoseconds.  */
+        #  };
+        class timespec(ctypes.Structure):
+            _fields_ = [("tv_sec", ctypes.c_long),
+                        ("tv_nsec", ctypes.c_long)]
+
+        librt = ctypes.CDLL(ctypes.util.find_library("rt"))
+
+        ts = timespec()
+        ts.tv_sec = int( time.mktime( datetime.datetime( *time_tuple[:6]).timetuple() ) )
+        ts.tv_nsec = time_tuple[6] * 1000000 # Millisecond to nanosecond
+
+        # http://linux.die.net/man/3/clock_settime
+        librt.clock_settime(CLOCK_REALTIME, ctypes.byref(ts))
+        logger.info(f"Time set to {DATE_TIME}")
     def _pre_process(self, x):
         """
         Do preprocessing here, if any