完善耐久采集

codes/common/clibs.py

@@ -1,5 +1,6 @@
 import os
 import os.path
+import time
 import threading
 import sqlite3
 from PySide6.QtCore import Signal, QThread
@@ -82,19 +83,41 @@ class LoggerHandler(QThread):
             raise Exception()
 
 
+def detect_db_size():
+    @db_lock
+    def release_memory():
+        line_number = 20000
+        leftover = 4000  # 200s
+        cursor.execute("SELECT COUNT(id) FROM logs")
+        len_records = cursor.fetchone()[0]
+        if len_records > line_number:
+            del_num = len_records - leftover + 1
+            cursor.execute(f"DELETE FROM logs WHERE id < {del_num}")
+            cursor.execute(f"UPDATE logs SET id=(id-{del_num - 1}) WHERE id > {del_num - 1}")
+            cursor.execute(f"UPDATE sqlite_sequence SET seq = {leftover + 1} WHERE name = 'logs' ")
+            cursor.execute("VACUUM")
+
+    while True:
+        release_memory()
+        time.sleep(INTERVAL*10)
+
+
 PREFIX = "resources/assets"  # for pyinstaller
 # PREFIX = "assets"  # for local testing
-log_path = f"{PREFIX}/logs"
+# log_path = f"{PREFIX}/logs"
 lock = threading.Lock()
 running = [0, 0, 0, 0, 0, 0, 0]  # 制动数据/转矩数据/激光数据/精度数据/制动自动化/转矩自动化/耐久数据采集
 stop_flag = False
 functions = ["制动数据处理", "转矩数据处理", "激光数据处理", "精度数据处理", "制动自动化测试", "转矩自动化测试", "耐久数据采集"]
 levels = ["DEBUG", "INFO", "WARNING", "ERROR"]
 ip_addr, ssh_port, socket_port, xService_port, external_port, modbus_port, upgrade_port = "", 22, 5050, 6666, 8080, 502, 4567
-username, password = "luoshi", "luoshi2019"
-INTERVAL, RADIAN, MAX_FRAME_SIZE, MAX_LOG_NUMBER, CYCLE = 1, 57.3, 1024, 10, 300
+username, password = "luoshi", "123456"
+INTERVAL, RADIAN, MAX_FRAME_SIZE, MAX_LOG_NUMBER, CYCLE = 1, 57.3, 1024, 10, 30
 c_md, c_hr, c_ec, c_pd, conn, cursor, search_records, logger, count = None, None, None, None, None, None, None, None, 0
 status = {"mysql": 0, "hmi": 0, "md": 0, "ec": 0}
 c_joint_vel, c_servo_trq, c_sensor_trq, c_estimate_trans_trq, c_safety_estop = 1, 2, 3, 4, 3  # 各个指标所在列
 
 init_logdb()
+t = threading.Thread(target=detect_db_size)
+t.daemon = True
+t.start()