我的Beaglebone Black上有一个python TCP socket客户端代码,该代码从传感器读取数据并将其发送到服务器。我的服务器在Windows中的Visual Studio中,并且用C#编写。使用Putty通过SSH连接的Beaglebone Black和Windows PC。问题是服务器和客户端看不到对方。但是,当我使用Ubuntu PC(用python编写的服务器)而不是Windows时,一切正常。
能否请您帮助我建立连接。我认为问题出在服务器端。
P.S。由于将来的计划,必须使用C#编写服务器。
这是我的C#服务器代码:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Net;
using System.Net.Sockets;
namespace Server_Tutorial
{
class Program
{
static void Main(string[] args)
{
IPAddress ip = Dns.GetHostEntry("192.168.7.1").AddressList[0];
TcpListener server = new TcpListener(ip, 7000);
TcpClient client = default(TcpClient);
try
{
server.Start();
Console.WriteLine("Server started...");
Console.Read();
} catch (Exception ex)
{
Console.WriteLine(ex.ToString());
Console.Read();
}
while (true)
{
client = server.AcceptTcpClient();
byte[] receivedBuffer = new byte[100];
NetworkStream stream = client.GetStream();
stream.Read(receivedBuffer, 0, receivedBuffer.Length);
StringBuilder msg = new StringBuilder();
foreach (byte b in receivedBuffer)
{
if (b.Equals(00))
{
break;
}
else
{
msg.Append(Convert.ToChar(b).ToString());
}
}
Console.WriteLine(msg.ToString() + msg.Length);
}
}
}
}
这是python中的客户端代码:
import Adafruit_BBIO.ADC as ADC
import time
import socket
import sys
serverAddr = ('192.168.7.1', 7000)
client = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
client.connect(serverAddr)
fsr = 'P9_40'
ADC.setup()
while True:
reading = ADC.read(fsr)*1000
reading = int(round(reading))
client.send(str(reading))
client.close()
这是在Ubuntu上可以使用的python服务器代码:
import socket
import sys
HOST = ''
PORT = 7000
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
print('Socket created')
try:
s.bind((HOST, PORT))
except socket.error as msg:
print('Bind failed. ')
sys.exit()
print('Socket bind complete')
s.listen(10)
print('Socket now listening')
conn, addr = s.accept()
print('Connected to ' + addr[0] + ':' + str(addr[1]))
while True:
data = conn.recv(1024)
line = data.decode('UTF-8') # convert to string (Python 3 only)
line = line.replace("\n","") # remove newline character
print( line )
s.close()
答案 0 :(得分:0)
您是否尝试过运行:
netstat -a -b
在您的PC上?
如果要显示您的端口7000已被另一个TCP连接使用,则可以简单地切换到port 8080
或您希望成功连接的另一个端口。