50 lines
1.7 KiB
Python
50 lines
1.7 KiB
Python
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# -*- coding: utf-8 -*-
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'''
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Program: BS.py (Report bugs/comments to chikh@yuntech.edu.tw)
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Function: 發送端程式，模擬訊息發送端的行為；訊息的內容設為當下感測到的溫度值(以隨機產生的亂數作替代)，
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將把溫度值打包成為字串的一部分，再透過網路機制把訊息字串傳送至接收端，隨即等候對方回應
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'''
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import socket #引入網路連線所需的套件，傳送/接收訊息之用
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import time #引入時間套件，將呼叫sleep()函數
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import random #引入隨機亂數相關套件，將呼叫uniform()函數
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import sys
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import os
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IP = 'localhost' #本機網路位址(IP address)
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#IP = '140.125.21.42' #對方端裝置的IP address
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port = 20001 #對方(收端)程式所用埠號
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peerEndpoint = (IP,port) #端點:(對方IP地址,埠號)
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netLink = socket.socket(family=socket.AF_INET,type=socket.SOCK_DGRAM) #創建網路連線所需的資料結構
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netLink.setblocking(False)
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print("*** 基地台週期發送信標 ***\n");
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if len(sys.argv) < 4:
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BSid = int(input("輸入基地台編號(0/1) ==> "))
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BSx, BSy = input("輸入基地台x y座標 ==> ").split()
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BSx, BSy = int(BSx), int(BSy)
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else:
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BSid, BSx, BSy = int(sys.argv[1]), int(sys.argv[2]), int(sys.argv[3])
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print("BS%d已啟動，地理位置(%d,%d)"%(BSid,BSx,BSy))
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os.system("title "+ "BS%d監控視窗"%BSid)
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logFile = open("BS%d.txt"%BSid,"w")
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while True:
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ts = time.time()
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msg = "%d %f %d %d"%(BSid,ts,BSx,BSy)
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logFile.write("%f "%ts)
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data = msg.encode("utf-8")
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netLink.sendto(data,peerEndpoint)
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print("BS"+msg,sep="")
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try:
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msgReceived, _ = netLink.recvfrom(1024)
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if msgReceived == b'quit': break
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except:
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time.sleep(0.5)
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logFile.close()
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print("BS%d關閉"%BSid)
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