我是新来的套接字。我已经用Python编写了一个简单的“代理”服务器,它将从远程服务器捕获数据并将其发送到我的客户端(浏览器)。我想知道:有没有办法在没有time.sleep的情况下发送response_text?虽然我尝试删除time.sleep(0.5)
我只从远程服务器获取一个数据包,所以'Content-lenght'不等于包的长度,并且出现错误(我正在使用recv()获取大小等于buffer_size的缓冲区,所以如果服务器数据需要多于一个4096字节的包,我需要在下一个包中捕获它)。随着time.sleep我从远程服务器获得所有数据包,我可以将数据发送到我的浏览器。难道我做错了什么?或者我只是不够了解?有人可以帮忙吗?我是否需要睡眠接收来自套接字Python的数据
代码:
# coding: utf-8
import socket
import sys
import time
from thread import *
max_conn = 5
buffer_size = 4096
def proxy_server(webserver, port, conn, addr, data):
try:
remote_sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
remote_sock.connect((webserver, port))
remote_sock.send(data)
response_text = ''
while True:
time.sleep(0.5)
response = remote_sock.recv(buffer_size)
response_text += response
if len(response) < buffer_size:
remote_sock.close()
break
conn.sendall(response_text)
conn.close()
except socket.error, msg:
print 'Proccessing error. Error Code: ' + str(msg[0]) + ', Wiadomość: ' + msg[1]
remote_sock.close()
conn.close()
sys.exit()
def conn_string(conn, data, address):
header = data.split('\r\n')
method, address, protocol = header[0].split(' ')
host_key, host_value = header[1].split(': ')
proxy_server(host_value, 80, conn, address, data)
def start():
try:
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.bind(('', 8001))
sock.listen(max_conn)
print 'Proxy: on'
except socket.error, msg:
print 'Failed creating a socket. Error Code: ' + str(msg[0]) + ', Wiadomość: ' + msg[1]
sys.exit()
while True:
try:
connection, address = sock.accept()
data = connection.recv(buffer_size)
# start_new_thread(conn_string, (connection, data, address))
conn_string(connection, data, address)
except KeyboardInterrupt:
sock.close()
print "Socket closed"
sys.exit()
if __name__ == "__main__":
start()
如果您有一个内容长度标题,那么使用该属性的值循环套接字recv's,直到正确的字节数已被收回。 –