我试图让我的机器人通过使用我自己家庭网络上的本地 IP 地址(而不是我网络外的设备)通过套接字与我的 PC 通信。机器人充当服务器,我自己的 PC 充当客户端/主机。我真的不知道我的机器人上打开了哪些端口,但我确实知道机器人上的端口 22 是打开的(这是 SSH 端口)。该机器人是一个乐高 EV3 机器人,除了它上面安装了一些 ev3python 软件。当我运行我的程序时,我在服务器(我的机器人)上收到以下错误:
File "/home/robot/server/server.py", line 24, in <module>
File "socket/socket.py", line 50, in bind
OSError: 99
这是我的注释代码
#!/usr/bin/env pybricks-micropython
from pybricks.hubs import EV3Brick
from pybricks.ev3devices import Motor
from pybricks.parameters import Port
# Create your objects here
# Initialize the EV3 Brick.
ev3 = EV3Brick()
# Initialize a motor at port B.
#test_motor = Motor(Port.B)
import socket
hostIPAddress = "xx.xx.xx.xx" #the local IP address of my PC on my home network
backlog = 1
size = 1024
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.bind((hostIPAddress,22))#22 is the port number I am using. (THIS IS ALSO THE LINE WHERE THE ERROR IS COMING FROM)
s.listen(backlog)
try:
client, address = s.accept()
while 1:
data = client.recv(size)
if data:
draw_text(89, 64, data, text_color=Color.RED, background_color=None)
clear()
if data == "beep":
ev3.speaker.beep(frequency=1000, duration=500)
#if data == "move":
#test_motor.run_target(500, 90)
except:
print("Closing socket")
client.close()
s.close()
这是客户端/主机的代码(我不这样做会有所帮助,但它可能会):
import socket
serverIPAddress = "xx.xx.xx.xx" #the local IP address of my robot on my home network
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect((serverIPAddress,22))
while 1:
text = input()
if text == "quit":
break
s.send(bytes(text, 'UTF-8'))
s.close()