#coding=utf-8
import socket
import re
import multiprocessing
class WSGIServer(object):
def __init__(self, server_address):
# 创建一个tcp套接字
self.listen_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
# 允许立即使用上次绑定的port
self.listen_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
# 绑定
self.listen_socket.bind(server_address)
# 变为被动，并制定队列的长度
self.listen_socket.listen(128)
def serve_forever(self):
"循环运行web服务器，等待客户端的链接并为客户端服务"
while True:
# 等待新客户端到来
client_socket, client_address = self.listen_socket.accept()
print(client_address) # for test
new_process = multiprocessing.Process(target=self.handleRequest, args=(client_socket,))
new_process.start()
# 因为子进程已经复制了父进程的套接字等资源，所以父进程调用close不会将他们对应的这个链接关闭的
client_socket.close()
def handleRequest(self, client_socket):
"用一个新的进程，为一个客户端进行服务"
recv_data = client_socket.recv(1024).decode('utf-8')
print(recv_data)
requestHeaderLines = recv_data.splitlines()
for line in requestHeaderLines:
print(line)
request_line = requestHeaderLines[0]
get_file_name = re.match("[^/]+(/[^ ]*)", request_line).group(1)
print("file name is ===>%s" % get_file_name) # for test
if get_file_name == "/":
get_file_name = DOCUMENTS_ROOT + "/index.html"
else:
get_file_name = DOCUMENTS_ROOT + get_file_name
print("file name is ===2>%s" % get_file_name) # for test
try:
f = open(get_file_name, "rb")
except IOError:
response_header = "HTTP/1.1 404 not found\r\n"
response_header += "\r\n"
response_body = "====sorry ,file not found===="
else:
response_header = "HTTP/1.1 200 OK\r\n"
response_header += "\r\n"
response_body = f.read()
f.close()
finally:
client_socket.send(response_header.encode('utf-8'))
client_socket.send(response_body)
client_socket.close()
# 设定服务器的端口
SERVER_ADDR = (HOST, PORT) = "", 8888
# 设置服务器服务静态资源时的路径
DOCUMENTS_ROOT = "./html"
def main():
httpd = WSGIServer(SERVER_ADDR)
print("web Server: Serving HTTP on port %d ...\n" % PORT)
httpd.serve_forever()
if __name__ == "__main__":
main()
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