eventlet 的 keepalive bug 咋解决 GOOGLE 上也搜捕到好办法 - V2EX
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lolizeppelin
V2EX    Python

eventlet 的 keepalive bug 咋解决 GOOGLE 上也搜捕到好办法

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  •   lolizeppelin 2018-03-21 14:43:25 +08:00 1690 次点击
    这是一个创建于 2765 天前的主题,其中的信息可能已经有所发展或是发生改变。
     def process_request(self, sock_params): # The actual request handling takes place in __init__, so we need to # set minimum_chunk_size before __init__ executes and we don't want to modify # class variable sock, address = sock_params proto = new(self.protocol) if self.minimum_chunk_size is not None: proto.minimum_chunk_size = self.minimum_chunk_size proto.capitalize_response_headers = self.capitalize_response_headers try: proto.__init__(sock, address, self) except socket.timeout: # Expected exceptions are not exceptional sock.close() # similar to logging "accepted" in server() self.log.debug('(%s) timed out %r' % (self.pid, address)) 

    BUG 就在上面, 绿色线程抛了一个假的 socket.timeout 错误 这里调用 sock close 无效, 先 shutdown 也没用....

    没有有高人知道怎么解决这个 bug

    1 条回复    2018-05-23 23:28:53 +08:00
    lolizeppelin
        1
    lolizeppelin  
    OP
       2018-05-23 23:28:53 +08:00
    今天闲着没事 终于把这个 bug 搞定了.....

    eventlet 的 HttpProtocol(继承自 python 的 BaseHTTPRequestHandler)在接收数据的时候为了方便
    通过 dup 把 socket 复制成了 file 对象
    由于 python2.6 的 BaseRequestHandler 没有在 finally 中调用 finish
    导致异常发生的时候没有关闭掉 dup 出来的 fd
    所以调用了 socket.close 并不能关闭 socket

    由于在 windows 环境一直是 2.7 的,导致一直没找到 bug.....
    真是蛋痛...
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