一. Web静态服务器
显示固定的页面
# -*- coding: utf-8 -*-
# Time : 2019/2/10 18:22
# Author : Mifen
# Email : 2952277346@qq.com
# Software: PyCharm
import socket
def service_client(conn):
'''接收客户端发送的数据'''
request = conn.recv(1024)
print(request)
# 返回客户端请求的数据
response = 'HTTP/1.1 200 OK\r\n'
response += '\r\n'
response += '你好雇佣兵'
conn.send(response.encode('utf-8'))
conn.close()
def main():
''' 实现主要的功能控制'''
# 1.创建socket
serversocket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
# 设置当服务器先close 即服务器端4次挥手之后资源能够立即释放，这样就保证了，下次运行程序时 可以立即绑定8080端口
serversocket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
# 2.绑定端口
serversocket.bind(('', 8080))
# 3.监听
serversocket.listen(128)
while True:
# 4.等待连接
conn, addr = serversocket.accept()
# 5.与客户端通信
service_client(conn)
if __name__ == '__main__':
main()
显示需要的页面
# -*- coding: utf-8 -*-
# Time : 2019/2/10 19:52
# Author : Mifen
# Email : 2952277346@qq.com
# Software: PyCharm
import socket
import re
def handle_client(client_socket):
"为一个客户端进行服务"
recv_data = client_socket.recv(1024).decode('utf-8', errors="ignore")
request_header_lines = recv_data.splitlines()
for line in request_header_lines:
print(line)
http_request_line = request_header_lines[0]
get_file_name = re.match("[^/]+(/[^ ]*)", http_request_line).group(1)
print("file name is ===>%s" % get_file_name) # for test
# 如果没有指定访问哪个页面。例如index.html
# GET / HTTP/1.1
if get_file_name == "/":
get_file_name = r'html/index.html'
else:
get_file_name = 'html' + get_file_name
print("file name is ===2>%s" % get_file_name) # for test
try:
f = open(get_file_name, "rb")
except IOError:
# 404表示没有这个页面
response_headers = "HTTP/1.1 404 not found\r\n"
response_headers += "\r\n"
response_body = "404 not found"
else:
response_headers = "HTTP/1.1 200 OK\r\n"
response_headers += "\r\n"
response_body = f.read()
f.close()
finally:
# 因为头信息在组织的时候，是按照字符串组织的，不能与以二进制打开文件读取的数据合并，因此分开发送
# 先发送response的头信息
client_socket.send(response_headers.encode('utf-8'))
# 再发送body
client_socket.send(response_body)
client_socket.close()
def main():
"作为程序的主控制入口"
server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
server_socket.bind(("127.0.0.1", 8080))
server_socket.listen(128)
while True:
client_socket, clien_cAddr = server_socket.accept()
handle_client(client_socket)
# 这里配置服务器
DOCUMENTS_ROOT = "./html"
if __name__ == "__main__":
main()
多进程、线程实现http服务器
1 # -*- coding: utf-8 -*-
2 # Time : 2019/2/11 19:52
3 # Author : Mifen
4 # Email : 2952277346@qq.com
5 # Software: PyCharm
6
7
8 import socket
9 import re
10 import threading
11 import multiprocessing
12
13
14 def handle_client(client_socket):
15 "为一个客户端进行服务"
16 recv_data = client_socket.recv(1024).decode('utf-8', errors="ignore")
17 request_header_lines = recv_data.splitlines()
18 for line in request_header_lines:
19 print(line)
20
21 http_request_line = request_header_lines[0]
22 get_file_name = re.match("[^/]+(/[^ ]*)", http_request_line).group(1)
23 print("file name is ===>%s" % get_file_name) # for test
24
25 # 如果没有指定访问哪个页面。例如index.html
26 # GET / HTTP/1.1
27 if get_file_name == "/":
28 get_file_name = r'html/index.html'
29 else:
30 get_file_name = 'html' + get_file_name
31
32 print("file name is ===2>%s" % get_file_name) # for test
33
34 try:
35 f = open(get_file_name, "rb")
36 except IOError:
37 # 404表示没有这个页面
38 response_headers = "HTTP/1.1 404 not found\r\n"
39 response_headers += "\r\n"
40 response_body = "====sorry ,file not found===="
41 else:
42 response_headers = "HTTP/1.1 200 OK\r\n"
43 response_headers += "\r\n"
44 response_body = f.read()
45 f.close()
46 finally:
47 # 因为头信息在组织的时候，是按照字符串组织的，不能与以二进制打开文件读取的数据合并，因此分开发送
48 # 先发送response的头信息
49 client_socket.send(response_headers.encode('utf-8'))
50 # 再发送body
51 client_socket.send(response_body)
52 client_socket.close()
53
54
55 def main():
56 "作为程序的主控制入口"
57 server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
58 server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
59 server_socket.bind(("192.168.43.227", 8080))
60 server_socket.listen(128)
61 while True:
62 client_socket, clien_cAddr = server_socket.accept()
63 t = threading.Thread(target=handle_client, args=(client_socket,))
64 t.start()
65 # 如果用多进程实现多任务，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
66 # client_socket.close()
67
68
69 # 这里配置服务器
70 DOCUMENTS_ROOT = "./html"
71
72 if __name__ == "__main__":
73 main()
二. Web并发服务器
gevent实现http服务器
# -*- coding: utf-8 -*-
# Time : 2019/2/11 20:06
# Author : Mifen
# Email : 2952277346@qq.com
# Software: PyCharm
import socket
import re
import gevent
from gevent import monkey
monkey.patch_all()
def handle_client(client_socket):
"为一个客户端进行服务"
recv_data = client_socket.recv(1024).decode('utf-8', errors="ignore")
request_header_lines = recv_data.splitlines()
for line in request_header_lines:
print(line)
http_request_line = request_header_lines[0]
get_file_name = re.match("[^/]+(/[^ ]*)", http_request_line).group(1)
print("file name is ===>%s" % get_file_name) # for test
# 如果没有指定访问哪个页面。例如index.html
# GET / HTTP/1.1
if get_file_name == "/":
get_file_name = r'html/index.html'
else:
get_file_name = 'html' + get_file_name
print("file name is ===2>%s" % get_file_name) #for test
try:
f = open(get_file_name, "rb")
except IOError:
# 404表示没有这个页面
response_headers = "HTTP/1.1 404 not found\r\n"
response_headers += "\r\n"
response_body = "====sorry ,file not found===="
else:
response_headers = "HTTP/1.1 200 OK\r\n"
response_headers += "\r\n"
response_body = f.read()
f.close()
finally:
# 因为头信息在组织的时候，是按照字符串组织的，不能与以二进制打开文件读取的数据合并，因此分开发送
# 先发送response的头信息
client_socket.send(response_headers.encode('utf-8'))
# 再发送body
client_socket.send(response_body)
client_socket.close()
def main():
"作为程序的主控制入口"
server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
server_socket.bind(("192.168.43.227", 8080))
server_socket.listen(128)
while True:
client_socket, clien_cAddr = server_socket.accept()
gevent.spawn(handle_client,client_socket)
#这里配置服务器
DOCUMENTS_ROOT = "./html"
if __name__ == "__main__":
main()
epoll版的http服务器
# -*- coding: utf-8 -*-
# Time : 2019/2/11 22:01
# Author : Mifen
# Email : 2952277346@qq.com
# Software: PyCharm
import socket
import select
# 创建套接字
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
# 设置可以重复使用绑定的信息
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
# 绑定本机信息
s.bind(("", 7788))
# 变为被动
s.listen(10)
# 创建一个epoll对象
epoll = select.epoll() # epoll只能再Linux下运行
# 测试，用来打印套接字对应的文件描述符
# print(s.fileno())
# print(select.EPOLLIN|select.EPOLLET)
# 注册事件到epoll中
# epoll.register(fd[, eventmask])
# 注意，如果fd已经注册过，则会发生异常
# 将创建的套接字添加到epoll的事件监听中
epoll.register(s.fileno(), select.EPOLLIN | select.EPOLLET)
connections = {}
addresses = {}
# 循环等待客户端的到来或者对方发送数据
while True:
# epoll 进行 fd 扫描的地方 -- 未指定超时时间则为阻塞等待
epoll_list = epoll.poll()
# 对事件进行判断
for fd, events in epoll_list:
# print fd
# print events
# 如果是socket创建的套接字被激活
if fd == s.fileno():
new_socket, new_addr = s.accept()
print('有新的客户端到来%s' % str(new_addr))
# 将 conn 和 addr 信息分别保存起来
connections[new_socket.fileno()] = new_socket
addresses[new_socket.fileno()] = new_addr
# 向 epoll 中注册 新socket 的 可读 事件
epoll.register(new_socket.fileno(), select.EPOLLIN | select.EPOLLET)
# 如果是客户端发送数据
elif events == select.EPOLLIN:
# 从激活 fd 上接收
recvData = connections[fd].recv(1024).decode("utf-8")
if recvData:
print('recv:%s' % recvData)
else:
# 从 epoll 中移除该 连接 fd
epoll.unregister(fd)
# server 侧主动关闭该 连接 fd
connections[fd].close()
print("%s---offline---" % str(addresses[fd]))
del connections[fd]
del addresses[fd]
浙公网安备 33010602011771号