Python usocket.SOCK_STREAM属性代码示例

# 需要导入模块: import usocket [as 别名]
# 或者: from usocket import SOCK_STREAM [as 别名]
def start_server(client_coro, host, port, backlog=10):
    if DEBUG and __debug__:
        log.debug("start_server(%s, %s)", host, port)
    ai = _socket.getaddrinfo(host, port, 0, _socket.SOCK_STREAM)
    ai = ai[0]
    s = _socket.socket(ai[0], ai[1], ai[2])
    s.setblocking(False)

    s.setsockopt(_socket.SOL_SOCKET, _socket.SO_REUSEADDR, 1)
    s.bind(ai[-1])
    s.listen(backlog)
    while True:
        if DEBUG and __debug__:
            log.debug("start_server: Before accept")
        yield IORead(s)
        if DEBUG and __debug__:
            log.debug("start_server: After iowait")
        s2, client_addr = s.accept()
        s2.setblocking(False)
        if DEBUG and __debug__:
            log.debug("start_server: After accept: %s", s2)
        extra = {"peername": client_addr}
        yield client_coro(StreamReader(s2), StreamWriter(s2, extra)) 

# 需要导入模块: import usocket [as 别名]
# 或者: from usocket import SOCK_STREAM [as 别名]
def run(timeout, nconns=10, verbose=False):
    addr = socket.getaddrinfo('0.0.0.0', PORT, 0, socket.SOCK_STREAM)[0][-1]
    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
    socks.append(s)
    s.bind(addr)
    s.listen(nconns)
    verbose and print('Awaiting connection.')
    while True:
        yield asyncio.IORead(s)  # Register socket for polling
        conn, addr = s.accept()
        conn.setblocking(False)
        try:
            idstr = await readline(conn, timeout)
            verbose and print('Got connection from client', idstr)
            socks.append(conn)
            Connection.go(int(idstr), timeout, verbose, conn)
        except OSError:
            if conn is not None:
                conn.close()

# A Connection persists even if client dies (minimise object creation).
# If client dies Connection is closed: .close() flags this state by closing its
# socket and setting .conn to None (.ok() == False). 

# 需要导入模块: import usocket [as 别名]
# 或者: from usocket import SOCK_STREAM [as 别名]
def run(self, loop, port=8123):
        addr = socket.getaddrinfo('0.0.0.0', port, 0, socket.SOCK_STREAM)[0][-1]
        s_sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)  # server socket
        s_sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
        s_sock.bind(addr)
        s_sock.listen(5)
        self.socks = [s_sock]  # List of current sockets for .close()
        print('Awaiting connection on port', port)
        poller = select.poll()
        poller.register(s_sock, select.POLLIN)
        client_id = 1  # For user feedback
        while True:
            res = poller.poll(1)  # 1ms block
            if res:  # Only s_sock is polled
                c_sock, _ = s_sock.accept()  # get client socket
                loop.create_task(self.run_client(c_sock, client_id))
                client_id += 1
            await asyncio.sleep_ms(200) 

# 需要导入模块: import usocket [as 别名]
# 或者: from usocket import SOCK_STREAM [as 别名]
def open_connection(host, port, ssl=False):
    if DEBUG and __debug__:
        log.debug("open_connection(%s, %s)", host, port)
    ai = _socket.getaddrinfo(host, port, 0, _socket.SOCK_STREAM)
    ai = ai[0]
    s = _socket.socket(ai[0], ai[1], ai[2])
    s.setblocking(False)
    try:
        s.connect(ai[-1])
    except OSError as e:
        if e.args[0] != uerrno.EINPROGRESS:
            raise
    if DEBUG and __debug__:
        log.debug("open_connection: After connect")
    yield IOWrite(s)
#    if __debug__:
#        assert s2.fileno() == s.fileno()
    if DEBUG and __debug__:
        log.debug("open_connection: After iowait: %s", s)
    if ssl:
        print("Warning: uasyncio SSL support is alpha")
        import ussl
        s.setblocking(True)
        s2 = ussl.wrap_socket(s)
        s.setblocking(False)
        return StreamReader(s, s2), StreamWriter(s2, {})
    return StreamReader(s), StreamWriter(s, {}) 

# 需要导入模块: import usocket [as 别名]
# 或者: from usocket import SOCK_STREAM [as 别名]
def _tcp_server(self, host, port, backlog):
        """TCP Server implementation.
        Opens socket for accepting connection and
        creates task for every new accepted connection
        """
        addr = socket.getaddrinfo(host, port, 0, socket.SOCK_STREAM)[0][-1]
        sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        sock.setblocking(False)
        sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
        sock.bind(addr)
        sock.listen(backlog)
        try:
            while True:
                yield asyncio.IORead(sock)
                csock, caddr = sock.accept()
                csock.setblocking(False)
                # Start handler / keep it in the map - to be able to
                # shutdown gracefully - by close all connections
                self.processed_connections += 1
                hid = id(csock)
                handler = self._handler(asyncio.StreamReader(csock),
                                        asyncio.StreamWriter(csock, {}))
                self.conns[hid] = handler
                self.loop.create_task(handler)
                # In case of max concurrency reached - temporary pause server:
                # 1. backlog must be greater than max_concurrency, otherwise
                #    client will got "Connection Reset"
                # 2. Server task will be resumed whenever one active connection finished
                if len(self.conns) == self.max_concurrency:
                    # Pause
                    yield False
        except asyncio.CancelledError:
            return
        finally:
            sock.close() 

# 需要导入模块: import usocket [as 别名]
# 或者: from usocket import SOCK_STREAM [as 别名]
def __init__(
        self,
        listener,
        poller,
        port,
        root_url,
        server_version,
        persistent_uuid,
        other_headers=None,
        ip_address=None,
    ):
        self.listener = listener
        self.poller = poller
        self.port = port
        self.root_url = root_url
        self.server_version = server_version
        self.persistent_uuid = persistent_uuid
        self.uuid = machine.unique_id()
        self.other_headers = other_headers

        if ip_address:
            self.ip_address = ip_address
        else:
            self.ip_address = upnp_device.local_ip_address()

        self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        self.socket.bind((self.ip_address, self.port))
        self.socket.listen(5)
        if self.port == 0:
            self.port = self.socket.getsockname()[1]
        self.poller.add(self)
        self.client_sockets = {}
        self.listener.add_device(self) 

# 需要导入模块: import usocket [as 别名]
# 或者: from usocket import SOCK_STREAM [as 别名]
def run(expected, verbose=False, port=8123, timeout=2000):
    addr = socket.getaddrinfo('0.0.0.0', port, 0, socket.SOCK_STREAM)[0][-1]
    s_sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)  # server socket
    s_sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
    s_sock.bind(addr)
    s_sock.listen(len(expected) + 2)
    verbose and print('Awaiting connection.', port)
    poller = select.poll()
    poller.register(s_sock, select.POLLIN)
    to_secs = timeout / 1000  # ms -> secs
    while True:
        res = poller.poll(1)  # 1ms block
        if res:  # Only s_sock is polled
            c_sock, _ = s_sock.accept()  # get client socket
            c_sock.setblocking(False)
            try:
                data = await _readid(c_sock, to_secs)
            except OSError:
                c_sock.close()
            else:
                Connection.go(to_secs, data, verbose, c_sock, s_sock,
                              expected)
        await asyncio.sleep(0.2)


# A Connection persists even if client dies (minimise object creation).
# If client dies Connection is closed: ._close() flags this state by closing its
# socket and setting .sock to None (.status() == False). 

# 需要导入模块: import usocket [as 别名]
# 或者: from usocket import SOCK_STREAM [as 别名]
def open_connection(host, port, ssl=False):
    if DEBUG and __debug__:
        log.debug("open_connection(%s, %s)", host, port)
    ai = _socket.getaddrinfo(host, port, 0, _socket.SOCK_STREAM)
    ai = ai[0]
    s = _socket.socket(ai[0], ai[1], ai[2])
    s.setblocking(False)
    try:
        s.connect(ai[-1])
    except OSError as e:
        if e.args[0] != uerrno.EINPROGRESS:
            raise
    if DEBUG and __debug__:
        log.debug("open_connection: After connect")
    yield IOWrite(s)
    #    if __debug__:
    #        assert s2.fileno() == s.fileno()
    if DEBUG and __debug__:
        log.debug("open_connection: After iowait: %s", s)
    if ssl:
        print("Warning: uasyncio SSL support is alpha")
        import ussl
        s.setblocking(True)
        s2 = ussl.wrap_socket(s)
        s.setblocking(False)
        return StreamReader(s, s2), StreamWriter(s2, {})
    return StreamReader(s), StreamWriter(s, {}) 

# 需要导入模块: import usocket [as 别名]
# 或者: from usocket import SOCK_STREAM [as 别名]
def https_test(hostname=AWS_ENDPOINT, sslp=SSL_PARAMS):
    """
    Tests the HTTPS connectivity with AWS. Sends an HTTP request to obtain the
    shadow of a thing and prints it.

    :param hostname: AWS hostname to connect to.
    :param sslp: SSL certificate parameters.
    """

    # Connect to AWS.
    s = usocket.socket(usocket.AF_INET, usocket.SOCK_STREAM,
                       usocket.IPPROTO_SEC)
    s.setblocking(False)
    w = ussl.wrap_socket(s, **sslp)
    print("- Connecting to AWS... ", end="")
    w.connect((hostname, 8443))
    print("[OK]")
    # Send HTTP request.
    print("- Sending shadow request for thing '%s'... " % THING_NAME, end="")
    w.write(b'GET /things/%s/shadow HTTP/1.0\r\n'
            b'Host: %s\r\n'
            b'\r\n' % (THING_NAME, hostname))
    print("[OK]")
    # Read answer.
    print("- Waiting for data... ", end="")
    while True:
        data = w.read(1024)
        if data:
            print("[OK]")
            print("- Received shadow for thing '%s':" % THING_NAME)
            print(64 * "-")
            print(str(data, 'utf-8'))
            print(64 * "-")
            break
    # Disconnect.
    w.close()
    print("- Done") 

# 需要导入模块: import usocket [as 别名]
# 或者: from usocket import SOCK_STREAM [as 别名]
def connect(self, clean_session=True):
        if self.ssl:
            proto = socket.IPPROTO_SEC
        else:
            proto = socket.IPPROTO_TCP
        self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM, proto)
        if self.ssl:
            import ussl
            self.sock = ussl.wrap_socket(self.sock, **self.ssl_params)
        self.sock.connect((self.server, self.port))
        premsg = bytearray(b"\x10\0\0\0\0\0")
        msg = bytearray(b"\x04MQTT\x04\x02\0\0")

        sz = 10 + 2 + len(self.client_id)
        msg[6] = clean_session << 1
        if self.user is not None:
            sz += 2 + len(self.user) + 2 + len(self.pswd)
            msg[6] |= 0xC0
        if self.keepalive:
            assert self.keepalive < 65536
            msg[7] |= self.keepalive >> 8
            msg[8] |= self.keepalive & 0x00FF
        if self.lw_topic:
            sz += 2 + len(self.lw_topic) + 2 + len(self.lw_msg)
            msg[6] |= 0x4 | (self.lw_qos & 0x1) << 3 | (self.lw_qos & 0x2) << 3
            msg[6] |= self.lw_retain << 5

        i = 1
        while sz > 0x7f:
            premsg[i] = (sz & 0x7f) | 0x80
            sz >>= 7
            i += 1
        premsg[i] = sz

        self.sock.write(premsg, i + 2)
        self.sock.write(msg)
        #print(hex(len(msg)), hexlify(msg, ":"))
        self._send_str(self.client_id)
        if self.lw_topic:
            self._send_str(self.lw_topic)
            self._send_str(self.lw_msg)
        if self.user is not None:
            self._send_str(self.user)
            self._send_str(self.pswd)
        resp = self.sock.read(4)
        assert resp[0] == 0x20 and resp[1] == 0x02
        if resp[3] != 0:
            raise MQTTException(resp[3])
        return resp[2] & 1 

# 需要导入模块: import usocket [as 别名]
# 或者: from usocket import SOCK_STREAM [as 别名]
def start_server(client_coro, host, port, backlog=10):
    if DEBUG and __debug__:
        log.debug("start_server(%s, %s)", host, port)
    ai = _socket.getaddrinfo(host, port, 0, _socket.SOCK_STREAM)
    ai = ai[0]
    s = _socket.socket(ai[0], ai[1], ai[2])
    s.setblocking(False)

    s.setsockopt(_socket.SOL_SOCKET, _socket.SO_REUSEADDR, 1)
    s.bind(ai[-1])
    s.listen(backlog)
    try:
        while True:
            try:
                if DEBUG and __debug__:
                    log.debug("start_server: Before accept")
                yield IORead(s)
                if DEBUG and __debug__:
                    log.debug("start_server: After iowait")
                s2, client_addr = s.accept()
                s2.setblocking(False)
                if DEBUG and __debug__:
                    log.debug("start_server: After accept: %s", s2)
                extra = {"peername": client_addr}
                # Detach the client_coro: put it on runq
                yield client_coro(StreamReader(s2), StreamWriter(s2, extra))
                s2 = None

            except Exception as e:
                if len(e.args)==0:
                    # This happens but shouldn't. Firmware bug?
                    # Handle exception as an unexpected unknown error:
                    # collect details here then close try to continue running
                    print('start_server:Unknown error: continuing')
                    sys.print_exception(e)
                if not uerrno.errorcode.get(e.args[0], False):
                    # Handle exception as internal error: close and terminate
                    # handler (user must trap or crash)
                    print('start_server:Unexpected error: terminating')
                    raise
    finally:
        if s2:
            s2.close()
        s.close()