Python select.EPOLLET屬性代碼示例

# 需要導入模塊: import select [as 別名]
# 或者: from select import EPOLLET [as 別名]
def _poll_queue_event(self, events):
        """
        EPoll event callback
        """

        for fd, event in events:
            if not (event & (select.EPOLLPRI | select.EPOLLET)):
                continue

            try:
                values = self._allocated_pins.itervalues()
            except AttributeError:
                values = self._allocated_pins.values()
            for pin in values:
                if pin.fileno() == fd:
                    pin.changed(pin.read()) 

# 需要導入模塊: import select [as 別名]
# 或者: from select import EPOLLET [as 別名]
def bind(self):
        """
        bind the ip:port
        """
        sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        self._set_sock_params(sock)
        sock.bind((self._bind_ip, self._bind_port))
        self._set_sock_nonblocking(sock)
        log.info(
            'bind port info:(ip:%s, port:%s)' % (
                self._bind_ip, self._bind_port
            )
        )
        self._epoll.register(
            sock.fileno(),
            select.EPOLLIN | select.EPOLLET | select.EPOLLOUT | select.EPOLLERR
        )
        self._bind_sock = sock 

# 需要導入模塊: import select [as 別名]
# 或者: from select import EPOLLET [as 別名]
def _handle_new_conn(self, newsock, peer):
        self._set_sock_params(newsock)
        self._set_sock_nonblocking(newsock)
        context = sockcontext.CConnContext()
        context.set_sock(newsock)
        context.set_conn_man(self)
        context.set_peerinfo(peer)
        self._epoll.register(
            newsock.fileno(), select.EPOLLIN | select.EPOLLET | select.EPOLLERR
        )
        self._rwlock.acquire_writelock()
        self._fileno2context[newsock.fileno()] = context
        self._peer2context[peer] = context
        self._context2fileno_peer[context] = (newsock.fileno(), peer)
        self._rwlock.release_writelock()
        log.info('a new connection: {0}'.format(peer)) 

# 需要導入模塊: import select [as 別名]
# 或者: from select import EPOLLET [as 別名]
def _run(self):

        while self._running:
            events = self._poll.poll(EPOLL_TIMEOUT)
            for fd, event in events:
                if not (event & (select.EPOLLPRI | select.EPOLLET)):
                    continue

                self.changed(self.read()) 

# 需要導入模塊: import select [as 別名]
# 或者: from select import EPOLLET [as 別名]
def __init__(self, options = select.EPOLLET, maxwait = 60):
            '''
            Constructor
            '''
            self.epoll = select.epoll()
            self.defaultoption = options
            self.mask = select.EPOLLIN|select.EPOLLPRI|select.EPOLLOUT|\
                select.EPOLLRDNORM|select.EPOLLRDBAND|select.EPOLLWRNORM|\
                select.EPOLLWRBAND|select.EPOLLONESHOT|select.EPOLLET
            self.socketCounter = 0
            self.maxwait = maxwait
            self.daemons = set()
            self.shouldraise = False 

# 需要導入模塊: import select [as 別名]
# 或者: from select import EPOLLET [as 別名]
def _poll_queue_register_pin(self, pin):
        ''' Pin responds to fileno(), so it's pollable. '''
        self._poll_queue.register(pin, (select.EPOLLPRI | select.EPOLLET)) 

# 需要導入模塊: import select [as 別名]
# 或者: from select import EPOLLET [as 別名]
def register(self, fd, *masks):
            masks = [self.from_[x] for x in masks] + [
                select.EPOLLET, select.EPOLLERR, select.EPOLLHUP]
            self.q.register(fd, reduce(operator.or_, masks, 0)) 

# 需要導入模塊: import select [as 別名]
# 或者: from select import EPOLLET [as 別名]
def __init__(self, server_address):
        """初始化服務器TCP套接字"""
        self.tcp_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        self.tcp_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
        self.tcp_socket.bind(server_address)
        self.tcp_socket.listen(128)
        self.tcp_socket.setblocking(False)  # 將套接字設置為非阻塞模式
        self.epoll = select.epoll()  # 創建一個epoll對象
        self.epoll.register(self.tcp_socket.fileno(), select.EPOLLIN | select.EPOLLET) # 將服務套接字注冊
        self.connections = {}
        self.addresses = {} 

# 需要導入模塊: import select [as 別名]
# 或者: from select import EPOLLET [as 別名]
def serve_forever(self):
        """永久運行監聽接收連接"""
        while True:
            epoll_list = self.epoll.poll()
            for fd, events in epoll_list:
                if fd == self.tcp_socket.fileno():
                    new_client_socket, new_client_address = self.tcp_socket.accept()
                    print(new_client_address, '向服務器發起了請求')
                    self.connections[new_client_socket.fileno()] = new_client_socket # 存入客戶連接事件文件描述符
                    self.addresses[new_client_socket.fileno()] = new_client_address
                    # 向epoll中則側新socket的可讀事件
                    self.epoll.register(new_client_socket.fileno(), select.EPOLLIN | select.EPOLLET)
                elif events == select.EPOLLIN:
                    self.handlerequest(fd) 

# 需要導入模塊: import select [as 別名]
# 或者: from select import EPOLLET [as 別名]
def serve_forever(self):
        """永久運行監聽接收連接"""
        while True:
            epoll_list = self.epoll.poll()
            for fd, events in epoll_list:
                if fd == self.tcp_socket.fileno():
                    new_client_socket, new_client_address = self.tcp_socket.accept()
                    print(new_client_address, '向服務器發起了請求')
                    self.connections[new_client_socket.fileno()] = new_client_socket # 存入客戶連接事件文件描述符
                    self.addresses[new_client_socket.fileno()] = new_client_address
                    # 向epoll中則側新socket的可讀事件
                    self.epoll.register(new_client_socket.fileno(), select.EPOLLIN | select.EPOLLET)
                elif events == select.EPOLLIN:
                    td = threading.Thread(target=self.handlerequest, args=(fd,))
                    td.start() 

# 需要導入模塊: import select [as 別名]
# 或者: from select import EPOLLET [as 別名]
def _epoll_write_params(cls):
        return (select.EPOLLET | select.EPOLLOUT | select.EPOLLERR) 

# 需要導入模塊: import select [as 別名]
# 或者: from select import EPOLLET [as 別名]
def _epoll_read_params(cls):
        return (select.EPOLLET | select.EPOLLIN | select.EPOLLERR) 

# 需要導入模塊: import select [as 別名]
# 或者: from select import EPOLLET [as 別名]
def _finish_read_callback(self, succ, result):
        context = result
        if context.is_detroying():
            # destroy the context and socket
            context.release_readlock()
            try:
                self.cleanup_error_context(context)
            except KeyError:
                pass
        else:
            self._epoll.modify(
                context.get_sock().fileno(), select.EPOLLIN | select.EPOLLET
            )
            context.release_readlock() 

# 需要導入模塊: import select [as 別名]
# 或者: from select import EPOLLET [as 別名]
def run(self):
        poller = select.epoll()
        poller.register(self.fd, self.event_mask | select.EPOLLET)
        while self.running:
            try:
                events = poller.poll(timeout=1)
                if events and self.callback is not None:
                    self.callback()
            except OSError as exc:
                # poller.poll() will raise an IOError because of the
                # interrupted system call when suspending the machine.
                logger.debug(f"Ignored IO error: {exc}") 

# 需要導入模塊: import select [as 別名]
# 或者: from select import EPOLLET [as 別名]
def test_control_and_wait(self):
        client, server = self._connected_pair()

        ep = select.epoll(16)
        ep.register(server.fileno(),
                   select.EPOLLIN | select.EPOLLOUT | select.EPOLLET)
        ep.register(client.fileno(),
                   select.EPOLLIN | select.EPOLLOUT | select.EPOLLET)

        now = time.time()
        events = ep.poll(1, 4)
        then = time.time()
        self.assertFalse(then - now > 0.1, then - now)

        events.sort()
        expected = [(client.fileno(), select.EPOLLOUT),
                    (server.fileno(), select.EPOLLOUT)]
        expected.sort()

        self.assertEqual(events, expected)

        events = ep.poll(timeout=2.1, maxevents=4)
        self.assertFalse(events)

        client.send("Hello!")
        server.send("world!!!")

        now = time.time()
        events = ep.poll(1, 4)
        then = time.time()
        self.assertFalse(then - now > 0.01)

        events.sort()
        expected = [(client.fileno(), select.EPOLLIN | select.EPOLLOUT),
                    (server.fileno(), select.EPOLLIN | select.EPOLLOUT)]
        expected.sort()

        self.assertEqual(events, expected)

        ep.unregister(client.fileno())
        ep.modify(server.fileno(), select.EPOLLOUT)
        now = time.time()
        events = ep.poll(1, 4)
        then = time.time()
        self.assertFalse(then - now > 0.01)

        expected = [(server.fileno(), select.EPOLLOUT)]
        self.assertEqual(events, expected)