无法从客户端/服务器发送文件-套接字pgm Python 3
我正试图从客户端向服务器发送一个txt文件 client.py无法从客户端/服务器发送文件-套接字pgm Python 3,python,python-3.x,sockets,Python,Python 3.x,Sockets,我正试图从客户端向服务器发送一个txt文件 client.py import socket TCP_IP = '127.0.0.1' TCP_PORT = 8340 BUFFER_SIZE = 1024 server_addr = (TCP_IP, TCP_PORT) c = socket.socket(socket.AF_INET, socket.SOCK_STREAM) c.connect(server_addr) file = open(r"C:\Users\sakthi\Desk
import socket
TCP_IP = '127.0.0.1'
TCP_PORT = 8340
BUFFER_SIZE = 1024
server_addr = (TCP_IP, TCP_PORT)
c = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
c.connect(server_addr)
file = open(r"C:\Users\sakthi\Desktop\Hi.txt",'r')
transfer = file.read(BUFFER_SIZE)
while transfer:
c.send(transfer.encode())
transfer = file.read(1024)
print (s.recv(BUFFER_SIZE).decode())
c.close()
Server.py
import socket
TCP_IP = '127.0.0.1'
TCP_PORT = 8340
BUFFER_SIZE = 1024 # Normally 1024, but we want fast response
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.bind((TCP_IP, TCP_PORT))
s.listen(1)
conn, addr = s.accept()
final = open(r"C:\Users\sakthi\Desktop\final.txt", 'a+')
while 1:
print('Connection address:', addr)
r = conn.recv(BUFFER_SIZE).decode()
if not r:break
final.write(r)
print("received data:", r)
k="file received"
conn.send(k.encode())
conn.close()
一旦收到文件,服务器将向客户端发送消息“文件已接收”。
客户端将打印消息“文件已接收”并关闭连接
当我运行代码时,server.py不会出现在while循环中
while 1:
print('Connection address:', addr)
r = conn.recv(BUFFER_SIZE).decode()
if not r:break
final.write(r)
print("received data:", r)
r=conn.recv(BUFFER_SIZE).decode()
继续侦听新消息,但客户端已传输所有消息
文件大小为1.14 KB
有人能告诉我我的程序出了什么问题吗?我找到了解决办法
请注意,我们的语句是recv()阻塞,直到有数据可读取或发送方已关闭为止。只有在套接字处于阻塞模式时,连接才会保持。该模式是默认模式,但我们可以通过使用参数0调用setblocking()将套接字更改为非阻塞模式
我已经修改了server.py
import socket
TCP_IP = '127.0.0.1'
TCP_PORT = 8340
BUFFER_SIZE = 1024 # Normally 1024, but we want fast response
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.bind((TCP_IP, TCP_PORT))
s.listen(1)
conn, addr = s.accept()
conn.setblocking(0)
final = open(r"C:\Users\sakthi\Desktop\final.txt", 'a+')
while 1:
try:
print('Connection address:', addr)
r = conn.recv(BUFFER_SIZE).decode()
final.write(r)
print("received data:", r)
except:
break
k="file received"
conn.send(k.encode())
conn.close()
现在我可以接收文件并向客户端发送消息“file received”,连接关闭
我正在使用“如果不是r:break”退出循环。因此,如果接收到空数据,它将中断while循环