Python socket.SOL_CAN_RAW Examples

The following are 9 code examples of socket.SOL_CAN_RAW(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module socket , or try the search function .
Example #1
Source File: _socketcan.py    From pyuavcan with MIT License 9 votes vote down vote up 
def _make_socket(iface_name: str, can_fd: bool) -> socket.SocketType:
    s = socket.socket(socket.PF_CAN, socket.SOCK_RAW, socket.CAN_RAW)
    try:
        s.bind((iface_name,))
        s.setsockopt(socket.SOL_SOCKET, _SO_TIMESTAMP, 1)  # timestamping
        if can_fd:
            s.setsockopt(socket.SOL_CAN_RAW, socket.CAN_RAW_FD_FRAMES, 1)

        s.setblocking(False)

        if 0 != s.getsockopt(socket.SOL_SOCKET, socket.SO_ERROR):
            raise OSError('Could not configure the socket: getsockopt(SOL_SOCKET, SO_ERROR) != 0')
    except BaseException:
        with contextlib.suppress(Exception):
            s.close()
        raise

    return s
Example #2
Source File: _socketcan.py    From pyuavcan with MIT License 5 votes vote down vote up 
def _set_loopback_enabled(self, enable: bool) -> None:
        if enable != self._loopback_enabled:
            self._sock.setsockopt(socket.SOL_CAN_RAW, socket.CAN_RAW_RECV_OWN_MSGS, int(enable))
            self._loopback_enabled = enable
Example #3
Source File: test_socket.py    From Fluid-Designer with GNU General Public License v3.0 5 votes vote down vote up 
def testLoopback(self):
        with socket.socket(socket.PF_CAN, socket.SOCK_RAW, socket.CAN_RAW) as s:
            for loopback in (0, 1):
                s.setsockopt(socket.SOL_CAN_RAW, socket.CAN_RAW_LOOPBACK,
                             loopback)
                self.assertEqual(loopback,
                    s.getsockopt(socket.SOL_CAN_RAW, socket.CAN_RAW_LOOPBACK))
Example #4
Source File: test_socket.py    From Fluid-Designer with GNU General Public License v3.0 5 votes vote down vote up 
def testFilter(self):
        can_id, can_mask = 0x200, 0x700
        can_filter = struct.pack("=II", can_id, can_mask)
        with socket.socket(socket.PF_CAN, socket.SOCK_RAW, socket.CAN_RAW) as s:
            s.setsockopt(socket.SOL_CAN_RAW, socket.CAN_RAW_FILTER, can_filter)
            self.assertEqual(can_filter,
                    s.getsockopt(socket.SOL_CAN_RAW, socket.CAN_RAW_FILTER, 8))
            s.setsockopt(socket.SOL_CAN_RAW, socket.CAN_RAW_FILTER, bytearray(can_filter))
Example #5
Source File: test_socket.py    From ironpython3 with Apache License 2.0 5 votes vote down vote up 
def testLoopback(self):
        with socket.socket(socket.PF_CAN, socket.SOCK_RAW, socket.CAN_RAW) as s:
            for loopback in (0, 1):
                s.setsockopt(socket.SOL_CAN_RAW, socket.CAN_RAW_LOOPBACK,
                             loopback)
                self.assertEqual(loopback,
                    s.getsockopt(socket.SOL_CAN_RAW, socket.CAN_RAW_LOOPBACK))
Example #6
Source File: test_socket.py    From ironpython3 with Apache License 2.0 5 votes vote down vote up 
def testFilter(self):
        can_id, can_mask = 0x200, 0x700
        can_filter = struct.pack("=II", can_id, can_mask)
        with socket.socket(socket.PF_CAN, socket.SOCK_RAW, socket.CAN_RAW) as s:
            s.setsockopt(socket.SOL_CAN_RAW, socket.CAN_RAW_FILTER, can_filter)
            self.assertEqual(can_filter,
                    s.getsockopt(socket.SOL_CAN_RAW, socket.CAN_RAW_FILTER, 8))
Example #7
Source File: test_socket.py    From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 5 votes vote down vote up 
def testLoopback(self):
        with socket.socket(socket.PF_CAN, socket.SOCK_RAW, socket.CAN_RAW) as s:
            for loopback in (0, 1):
                s.setsockopt(socket.SOL_CAN_RAW, socket.CAN_RAW_LOOPBACK,
                             loopback)
                self.assertEqual(loopback,
                    s.getsockopt(socket.SOL_CAN_RAW, socket.CAN_RAW_LOOPBACK))
Example #8
Source File: test_socket.py    From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 5 votes vote down vote up 
def testFilter(self):
        can_id, can_mask = 0x200, 0x700
        can_filter = struct.pack("=II", can_id, can_mask)
        with socket.socket(socket.PF_CAN, socket.SOCK_RAW, socket.CAN_RAW) as s:
            s.setsockopt(socket.SOL_CAN_RAW, socket.CAN_RAW_FILTER, can_filter)
            self.assertEqual(can_filter,
                    s.getsockopt(socket.SOL_CAN_RAW, socket.CAN_RAW_FILTER, 8))
            s.setsockopt(socket.SOL_CAN_RAW, socket.CAN_RAW_FILTER, bytearray(can_filter))
Example #9
Source File: cansocket_native.py    From scapy with GNU General Public License v2.0 4 votes vote down vote up 
def __init__(self, channel=None, receive_own_messages=False,
                 can_filters=None, remove_padding=True, basecls=CAN, **kwargs):
        bustype = kwargs.pop("bustype", None)
        if bustype and bustype != "socketcan":
            warning("You created a NativeCANSocket. "
                    "If you're providing the argument 'bustype', please use "
                    "the correct one to achieve compatibility with python-can"
                    "/PythonCANSocket. \n'bustype=socketcan'")

        self.basecls = basecls
        self.remove_padding = remove_padding
        self.channel = conf.contribs['NativeCANSocket']['channel'] if \
            channel is None else channel
        self.ins = socket.socket(socket.PF_CAN,
                                 socket.SOCK_RAW,
                                 socket.CAN_RAW)
        try:
            self.ins.setsockopt(socket.SOL_CAN_RAW,
                                socket.CAN_RAW_RECV_OWN_MSGS,
                                struct.pack("i", receive_own_messages))
        except Exception as exception:
            raise Scapy_Exception(
                "Could not modify receive own messages (%s)", exception
            )

        if can_filters is None:
            can_filters = [{
                "can_id": 0,
                "can_mask": 0
            }]

        can_filter_fmt = "={}I".format(2 * len(can_filters))
        filter_data = []
        for can_filter in can_filters:
            filter_data.append(can_filter["can_id"])
            filter_data.append(can_filter["can_mask"])

        self.ins.setsockopt(socket.SOL_CAN_RAW,
                            socket.CAN_RAW_FILTER,
                            struct.pack(can_filter_fmt, *filter_data))

        self.ins.bind((self.channel,))
        self.outs = self.ins