#Get socket function import socket import sys # All connections and bindings OK. Start is called def start(): while True: # Constantly listens for html messages from the client. All protocols and connections must be successful print('Accepting connection from {}'.format(SERVER)) connection, address = serverSocket.accept() try: # Message is taken from client then decoded. The max byte size of the message is 5000 from the ts.html file msg = connection.recv(5000).decode() # The path is extraced from the requested object in the message # The path is located at the end of the HTTP header (aka [1]) filename = msg.split()[1] # The path is read starting from the second character to accommodate for the '\' at the beginning of the HTTP request f = open(filename[1:]) #This sends one HTTP header line to the server socket data = f.read() #This sends the HTTP 200 OK header line to the server connection.send("HTTP/1.1 200 OK\r\n\r\n".encode()) #The client recieves the requested content of the file for i in range(0, (len(data)+1)): connection.send(data[i].encode()) connection.send("\r\n".encode()) # If the message has successfully ended, this will close the connection. connection.close() except IOError: #If the file is not found, this message will print to the client connection.send("HTTP/1.1 404 Not Found\r\n\r\n".encode()) connection.send("<html><head></head><body><h1>404 File Not Found</h1></body></html>\r\n".encode()) #Closes client socket connection.close() #Create a TCP/IP socket for server serverSocket = socket.socket(socket.AF_INET, socket.SOCK_STREAM) #The port that is used is defined here serverPort = 1993 #Binds the port to the address serverSocket.bind(("", serverPort)) #The user will see the host name on their screen SERVER= socket.gethostname() #Listen for incoming connections serverSocket.listen(5) #Start function is called once all connections and protocols are established start() #Closes the server socket serverSocket.close() #Exit or terminate the program *
"[Errno 10048] Only one usage of each socket address (protocol/network address/port) is normally permitted" after closing and reopening Python socket
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