我正在尝试在一个单独的线程上创建一个httpserver,如果在url中传递了一个参数,它应该处理一个get请求并关闭。
import sys
import threading
import BaseHTTPServer
from SimpleHTTPServer import SimpleHTTPRequestHandler
class WebServer(SimpleHTTPRequestHandler,threading.Thread):
port = 9000
protocol_version = "HTTP/1.1"
code = ""
httpd = None
isRunning = False
def do_GET(self):
self.send_response(200)
self.send_header("Content-type","text/html")
self.end_headers()
self.wfile.write("webpage")
try:
self.code = split(self.path,"=")[1]
except:
pass
else:
self.isRunning=False
self.stop()
def do_POST(self):
pass
def __init__(self,port=9000):
threading.Thread.__init__(self)
self.port=port
def run(self):
while True:
server_address = ("127.0.0.1",self.port)
try:
self.httpd = BaseHTTPServer.HTTPServer(server_address,WebServer)
except:
self.port +=1
else:
break
self.isRunning=True
self.httpd.serve_forever()
server = WebServer(1)
server.start()
while(server.isRunning==False):
pass
print "Server running on port: %d" %(server.port)
server.join()
print "code: "+server.code
但是发送请求时会发生错误:
Server running on port: 1025
----------------------------------------
Exception happened during processing of request from ('127.0.0.1', 56462)
Traceback (most recent call last):
File "/usr/lib/python2.7/SocketServer.py", line 295, in _handle_request_noblock
self.process_request(request, client_address)
File "/usr/lib/python2.7/SocketServer.py", line 321, in process_request
self.finish_request(request, client_address)
File "/usr/lib/python2.7/SocketServer.py", line 334, in finish_request
self.RequestHandlerClass(request, client_address, self)
TypeError: __init__() takes at most 2 arguments (4 given)
----------------------------------------
使用curl连接服务器时,会出现此错误:
curl: (52) Empty reply from server
答案 0 :(得分:3)
你试图用一个班级做太多事情。
SimpleHTTPRequestHandler的工作方式是BaseHTTPServer创建一个新实例来处理每个请求。它通过调用构造函数来实现。但是你添加了一个新的构造函数,用于创建服务器本身。
那是清楚的吗?
当BaseHttpServer收到请求时,它接受WebServer类(您将其作为SimpleHTTPRequestHandler的子类传入,您创建self.httpd)并尝试创建实例。它期望SimpleHTTPRequestHandler子类的构造函数有四个参数,但是你添加了一个新的构造函数,它只需要两个(并且用于创建Web服务器,而不是处理程序)。
这很奇怪,因为你可能不习惯创建新实例的东西。但这就是它的工作原理。
将服务器和请求处理程序分成两个独立的类(如kichik所说)。