文章目录
"""
本段代码实现响应浏览器的访问请求.
http协议版本:1.0短连接; 1.1长连接.
虽然使用的http协议是HTTP1.1,但是仍然是短连接.
注明:本人认为长短连接的区别在于建立的通道是否在本次连接之后关闭.
比如:一个多媒体网页通过一次三次握手四次挥手为长连接,否则短连接.
"""
import socket
import re
def service_client(new_socket):
request = new_socket.recv(1024).decode("utf-8")
request_lines = request.splitlines()
file_name = ""
ret = re.match(r"[^/]+(/[^ ]*)", request_lines[0])
if ret:
file_name = ret.group(1)
if file_name == "/":
file_name = "/index.html"
try:
print(">"*3,file_name)
f = open("./html" + file_name, "rb")
except:
response = "HTTP/1.1 404 NOT FOUND\r\n"
response += "\r\n"
response += "------file not found-----"
new_socket.send(response.encode("utf-8"))
else:
html_content = f.read()
f.close()
response = "HTTP/1.1 200 OK\r\n"
response += "\r\n"
new_socket.send(response.encode("utf-8"))
new_socket.send(html_content)
new_socket.close()
def main():
tcp_server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
tcp_server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
tcp_server_socket.bind(("", 10800))
tcp_server_socket.listen(128)
while True:
new_socket, client_addr = tcp_server_socket.accept()
service_client(new_socket)
tcp_server_socket.close()
if __name__ == "__main__":
main()
import socket
import re
import multiprocessing
def service_client(new_socket):
request = new_socket.recv(1024).decode("utf-8")
request_lines = request.splitlines()
file_name = ""
ret = re.match(r"[^/]+(/[^ ]*)", request_lines[0])
if ret:
file_name = ret.group(1)
print(">" * 3, file_name)
if file_name == "/":
file_name = "/index.html"
try:
file_dict = "./html"
f = open( file_dict+ file_name, "rb")
except:
response = "HTTP/1.1 404 NOT FOUND\r\n"
response += "\r\n"
response += "------file not found-----"
new_socket.send(response.encode("utf-8"))
else:
html_content = f.read()
f.close()
response = "HTTP/1.1 200 OK\r\n\r\n"
new_socket.send(response.encode("utf-8"))
new_socket.send(html_content)
new_socket.close()
def main():
tcp_server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
tcp_server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
tcp_server_socket.bind(("", 10800))
tcp_server_socket.listen(128)
while True:
new_socket, client_addr = tcp_server_socket.accept()
p = multiprocessing.Process(target=service_client, args=(new_socket,))
p.start()
tcp_server_socket.close()
if __name__ == "__main__":
main()
import socket
import re
import threading
def service_client(new_socket):
request = new_socket.recv(1024).decode("utf-8")
request_lines = request.splitlines()
file_name = ""
ret = re.match(r"[^/]+(/[^ ]*)", request_lines[0])
if ret:
file_name = ret.group(1)
print(">" * 3, file_name)
if file_name == "/":
file_name = "/index.html"
try:
file_dict = "./html"
f = open( file_dict+ file_name, "rb")
except:
response = "HTTP/1.1 404 NOT FOUND\r\n"
response += "\r\n"
response += "------file not found-----"
new_socket.send(response.encode("utf-8"))
else:
html_content = f.read()
f.close()
response = "HTTP/1.1 200 OK\r\n\r\n"
new_socket.send(response.encode("utf-8"))
new_socket.send(html_content)
new_socket.close()
def main():
tcp_server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
tcp_server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
tcp_server_socket.bind(("", 10800))
tcp_server_socket.listen(128)
while True:
new_socket, client_addr = tcp_server_socket.accept()
ps_01 = threading.Thread(target=service_client, args=(new_socket,))
ps_01.start()
if __name__ == "__main__":
main()
import socket
import re
import gevent
from gevent import monkey
monkey.patch_all()
def service_client(new_socket):
request = new_socket.recv(1024).decode("utf-8")
request_lines = request.splitlines()
file_name = ""
ret = re.match(r"[^/]+(/[^ ]*)", request_lines[0])
if ret:
file_name = ret.group(1)
if file_name == "/":
file_name = "/index.html"
try:
print(">"*3,file_name)
f = open("./html" + file_name, "rb")
except:
response = "HTTP/1.1 404 NOT FOUND\r\n"
response += "\r\n"
response += "------file not found-----"
new_socket.send(response.encode("utf-8"))
else:
html_content = f.read()
f.close()
response = "HTTP/1.1 200 OK\r\n"
response += "\r\n"
new_socket.send(response.encode("utf-8"))
new_socket.send(html_content)
new_socket.close()
def main():
tcp_server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
tcp_server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
tcp_server_socket.bind(("", 10800))
tcp_server_socket.listen(128)
while True:
new_socket, client_addr = tcp_server_socket.accept()
gevent.spawn(service_client, new_socket)
tcp_server_socket.close()
if __name__ == "__main__":
main()
import socket
import re
def service_client(new_socket, request):
request_lines = request.splitlines()
file_name = ""
ret = re.match(r"[^/]+(/[^ ]*)", request_lines[0])
if ret:
file_name = ret.group(1)
if file_name == "/":
file_name = "/index.html"
try:
f = open("./html" + file_name, "rb")
except:
response = "HTTP/1.1 404 NOT FOUND\r\n"
response += "\r\n"
response += "------file not found-----"
new_socket.send(response.encode("utf-8"))
else:
html_content = f.read()
f.close()
response_body = html_content
response_header = "HTTP/1.1 200 OK\r\n"
response_header += "Content-Length:%d\r\n" % len(response_body)
response_header += "\r\n"
response = response_header.encode("utf-8") + response_body
new_socket.send(response)
def main():
tcp_server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
tcp_server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
tcp_server_socket.bind(("", 12500))
tcp_server_socket.listen(128)
tcp_server_socket.setblocking(False)
client_socket_list = list()
while True:
try:
new_socket, client_addr = tcp_server_socket.accept()
except Exception as ret:
pass
else:
new_socket.setblocking(False)
client_socket_list.append(new_socket)
for client_socket in client_socket_list:
try:
recv_data = client_socket.recv(1024).decode("utf-8")
except Exception as ret:
pass
else:
if recv_data:
service_client(client_socket, recv_data)
else:
client_socket.close()
client_socket_list.remove(client_socket)
tcp_server_socket.close()
if __name__ == "__main__":
main()
import socket
import re
import select
print(select.__file__)
def service_client(new_socket, request):
request_lines = request.splitlines()
print(request_lines)
file_name = ""
ret = re.match(r"[^/]+(/[^ ]*)", request_lines[0])
if ret:
file_name = ret.group(1)
if file_name == "/":
file_name = "/index.html"
try:
f = open("./html" + file_name, "rb")
except:
response = "HTTP/1.1 404 NOT FOUND\r\n"
response += "\r\n"
response += "------file not found-----"
new_socket.send(response.encode("utf-8"))
else:
html_content = f.read()
f.close()
response_body = html_content
response_header = "HTTP/1.1 200 OK\r\n"
response_header += "Content-Length:%d\r\n" % len(response_body)
response_header += "\r\n"
response = response_header.encode("utf-8") + response_body
new_socket.send(response)
def main():
tcp_server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
tcp_server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
tcp_server_socket.bind(("", 7890))
tcp_server_socket.listen(128)
tcp_server_socket.setblocking(False)
epl = select.epoll()
epl.register(tcp_server_socket.fileno(), select.EPOLLIN)
fd_event_dict = dict()
while True:
fd_event_list = epl.poll()
for fd, event in fd_event_list:
if fd == tcp_server_socket.fileno():
new_socket, client_addr = tcp_server_socket.accept()
epl.register(new_socket.fileno(), select.EPOLLIN)
fd_event_dict[new_socket.fileno()] = new_socket
elif event == select.EPOLLIN:
recv_data = fd_event_dict[fd].recv(1024).decode("utf-8")
if recv_data:
service_client(fd_event_dict[fd], recv_data)
else:
fd_event_dict[fd].close()
epl.unregister(fd)
del fd_event_dict[fd]
tcp_server_socket.close()
if __name__ == "__main__":
main()