更新初版

panelAgent.py

@@ -0,0 +1,119 @@
+#!/usr/bin/env python3
+
+#################################################
+# Agent of Loongson Control Panel
+# Author: Wells Wang
+# Version: 0.1beta
+# Released under GPL v3 License.
+#################################################
+
+
+import serial, threading, psutil, os, datetime, time;
+from settings import *
+
+ser = None
+hostname = 'hostname'
+kernal = ''
+ip = ''
+transfering = False
+
+
+def init():
+    global ser
+    try:
+        ser = serial.Serial(DEVICEPORT, BAUDRATE, timeout = TIMEOUT)
+    except:
+        print("Init serial port {} faild!".format(DEVICEPORT))
+
+def startTransfer():
+    global transfering
+    while transfering:
+        time.sleep(0.01)
+    transfering = True
+
+def endTransfer():
+    global transfering
+    transfering = False
+  
+
+def updateData():
+    global ser, hostname, kernal, ip
+    threading.Timer(5.0, updateData).start()
+
+    startTransfer()
+
+    if (os.uname().nodename != hostname):
+        hostname = os.uname().nodename
+        ser.write('!HN!{}\n'.format(hostname).encode('utf8'))
+    if (os.uname().release != kernal):
+        kernal = os.uname().release
+        ser.write('!KR!{}\n'.format(kernal[:kernal.index('-')][:6]).encode('utf8'))
+
+    try:
+        cip = os.popen("ip a show dev {}".format(NETDEV)).read()
+        cip = cip[cip.index('inet ') + 5 : cip.index('inet ') + 20]
+        cip = cip[:cip.index('/')]
+        if (ip != cip):
+            ip = cip
+            ser.write('!IP!{}\n'.format(ip).encode('utf8'))
+    except:
+        print ("[ERROR]: Network Device {} IP address get faild!".format(NETDEV))
+    cpu_percent = psutil.cpu_percent()
+    mem_percent = psutil.virtual_memory().percent
+    ser.write('!CG!{}\n'.format(chr(int(cpu_percent/10))).encode('utf8'))
+    ser.write('!CU!{}\n'.format(chr(int(round(cpu_percent)))).encode('utf8'))
+    ser.write('!MG!{}\n'.format(chr(int(mem_percent/10))).encode('utf8'))
+    ser.write('!MU!{}\n'.format(chr(int(round(mem_percent)))).encode('utf8'))
+
+    ser.write('!TI!{}\n'.format(datetime.datetime.now().strftime("%H:%M")).encode('utf8'))
+
+    uptime = (time.time() - psutil.boot_time()) /3600
+    ser.write('!UT!{}d{}h\n'.format(int(uptime / 24), int(uptime % 24)).encode('utf8'))
+
+    endTransfer()
+    
+    print("[{}] Data updated.".format(datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")))
+
+
+def sendLog(page = 0):
+    global ser
+    startTransfer()
+    try:
+        size = os.path.getsize(LOGFILE)
+        if page < 0: page = 0
+        if (TPP * page > size): page = int(size / TPP)
+        elif (TPP * page  == size): page = page - 1
+        
+        f = open(LOGFILE, "r")
+        f.seek(TPP * page)
+        msg = f.read(TPP).replace("\n", " ")
+        ser.write('!LP!{}\n'.format(chr(page)).encode('utf8'))
+        ser.write('!LG!{}\n'.format(msg).encode('utf8'))
+        print("Message sent: {}\n".format(msg))
+    except:
+        print("Log file operation failed!")
+    endTransfer()
+
+def serialInputTrigger():
+    threading.Timer(0.5, serialInputTrigger).start()
+    while ser.in_waiting:
+        response = ser.readline()
+        print("[RESPONSE]: {}\n".format(response))
+        if b'#GL#' in response:
+            sendLog(response[response.index(b'#GL#')+4])
+
+
+if __name__=='__main__':
+    print("Start to initialize serial port '{}' ...".format(DEVICEPORT))
+    init()
+    if ser:
+        print('Successfull!')
+        updateData()
+        serialInputTrigger()
+        #while 1:
+        #    if ser.in_waiting:
+        #        print("[RESPONSE]: {}\n".format(ser.readline()))
+
+    
+
+