发布时间:2019-07-06 10:45:21编辑:auto阅读(2053)
#!/usr/bin/python # -*- coding:utf-8 -*- import socket, select EOL1 = b'\n\n' EOL2 = b'\n\r\n' response = b'HTTP/1.0 200 OK\r\nDate: Mon, 1 Jan 1996 01:01:01 GMT\r\n' response += b'Content-Type: text/plain\r\nContent-Length: 13\r\n\r\n' response += b'Hello, world!' serversocket = socket.socket(socket.AF_INET, socket.SOCK_STREAM) serversocket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) serversocket.bind(('0.0.0.0', 8080)) serversocket.listen(1) serversocket.setblocking(0) epoll = select.epoll() epoll.register(serversocket.fileno(), select.EPOLLIN) try: connections = {}; requests = {}; responses = {} while True: events = epoll.poll(1) for fileno, event in events: if fileno == serversocket.fileno(): connection, address = serversocket.accept() connection.setblocking(0) epoll.register(connection.fileno(), select.EPOLLIN) connections[connection.fileno()] = connection requests[connection.fileno()] = b'' responses[connection.fileno()] = response elif event & select.EPOLLIN: requests[fileno] += connections[fileno].recv(1024) if EOL1 in requests[fileno] or EOL2 in requests[fileno]: epoll.modify(fileno, select.EPOLLOUT) print('-'*40 + '\n' + requests[fileno].decode()[:-2]) elif event & select.EPOLLOUT: byteswritten = connections[fileno].send(responses[fileno]) responses[fileno] = responses[fileno][byteswritten:] if len(responses[fileno]) == 0: epoll.modify(fileno, 0) connections[fileno].shutdown(socket.SHUT_RDWR) elif event & select.EPOLLHUP: epoll.unregister(fileno) connections[fileno].close() del connections[fileno] finally: epoll.unregister(serversocket.fileno()) epoll.close() serversocket.close()
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