1 import sys  2 from PyQt4 import QtGui,QtCore  3   4 import threading  5 import thread  6 import os  7 import re  8 import urllib  9 import socket 10 import time 11  12  13 global maxNum 14 global cnt 15 global sign 16  17 class Main_QWidget(QtGui.QWidget): 18     def __init__(self): 19         QtGui.QWidget.__init__(self) 20  21         self.ipaddr=QtGui.QLineEdit(self) 22         self.portBegin=QtGui.QLineEdit(self) 23         self.portEnd=QtGui.QLineEdit(self) 24         self.GoButton=QtGui.QPushButton(‘Go‘,self) 25         self.out=QtGui.QTextBrowser() 26  27         self.ipinfo=QtGui.QLabel("input the ip : ") 28         self.portinfo1=QtGui.QLabel("input the begin port : ") 29         self.portinfo2=QtGui.QLabel("input the end   port : ") 30         self.resinfo=QtGui.QLabel(" the res : ") 31          32         #self.status=QtGui.QTextBrowser() 33          34         grid=QtGui.QGridLayout() 35          36         grid.addWidget(self.ipinfo,0,0,1,3) 37         grid.addWidget(self.ipaddr,1,0,1,3) 38          39         grid.addWidget(self.portinfo1,2,0,1,3) 40         grid.addWidget(self.portBegin,3,0,1,3) 41          42         grid.addWidget(self.portinfo2,4,0,1,3) 43         grid.addWidget(self.portEnd,5,0,1,3) 44          45         grid.addWidget(self.GoButton,6,0,1,3) 46          47         grid.addWidget(self.resinfo,7,0,1,3) 48         grid.addWidget(self.out,8,0,1,3) 49          50          51         #grid.addWidget(self.status,5,1,1,3) 52          53  54         self.resize(300,600) 55         self.setLayout(grid) 56         self.setWindowTitle("find the open port = =") 57  58         self.connect(self.GoButton,QtCore.SIGNAL(‘clicked()‘),gogogo) 59  60         def getIpAddr(self): 61             return self.ipaddr.text() 62         def getPortBegin(self): 63             return self.portBegin.text() 64         def getPortEnd(self): 65             return self.portEnd.text() 66  67 def gogogo1(): 68     print("hello,world\n") 69     print("ip :",main.ipaddr.text()) 70     print("begin: ",main.portBegin.text()) 71     print("end: ",main.portEnd.text()) 72     main.out.append("??") 73  74 def output(temp,interval): 75     main.out.append("open port: "+str(temp)) 76  77 def tryconnect(temp,interval): 78     global cnt 79     global sign 80     s=socket.socket() 81     ttemp=int(temp) 82     t=s.connect_ex((main.ipaddr.text(),ttemp)) 83     if t==0: 84         sign=1 85         #thread.start_new_thread(output,(temp,1)) 86         main.out.append("open port: "+str(ttemp)) 87         print("   find open port: ",ttemp) 88         cnt=cnt-1 89         thread.exit() 90         return True 91     else: 92         cnt=cnt-1 93         thread.exit() 94         return False 95  96 def sleep(temp,interval): 97     time.sleep(1) 98     thread.exit() 99 100 def gogogo():101     global cnt102     global maxNum103     global sign104     sign=0;105     #main.GoButton.setEnabled(0)106     main.out.append(" finding "+ main.ipaddr.text() + " open port ing...")107     i=int(main.portBegin.text());108     while i<=int(main.portEnd.text()):109         print("threadnum= ", cnt,"port= ",i)110         #main.status.append( "cnt= "+str(cnt)+"i= "+str(i) )111         if( cnt < maxNum ):112             thread.start_new_thread(tryconnect,(i,1))113             i=i+1114             cnt=cnt+1115         #else:116         #    thread.start_new_thread(sleep,(1,1))117         #    time.sleep(0.1)118         #    print("waiting...")119     if sign==0:120         main.out.append(" no open port in range port...")121     #main.GoButton.setEnabled(1)122     return True123      124 125 if __name__=="__main__":126     global maxNum127     maxNum=800128     global cnt129     cnt=0130 131     app=QtGui.QApplication(sys.argv)132     main=Main_QWidget()133     main.show()134     sys.exit(app.exec_())135