Python Wireless.getFrequency方法代码示例

# 需要导入模块: from pythonwifi.iwlibs import Wireless [as 别名]
# 或者: from pythonwifi.iwlibs.Wireless import getFrequency [as 别名]
def main():
    rospy.init_node('wifi_poller')
    poll_freq = rospy.get_param('~poll_freq', 1)
    interface = rospy.get_param('~interface', 'eth1')
    frame_id = rospy.get_param('~frame_id', 'base_link')

    pub = rospy.Publisher('wifi_info', WifiInfo)

    wifi = Wireless(interface)
    poll_rate = rospy.Rate(poll_freq)
    while not rospy.is_shutdown():
        info = WifiInfo()
        info.header.stamp = rospy.Time.now()
        info.header.frame_id = frame_id

        try:
            info.essid = wifi.getEssid()
            info.interface = interface
            info.status = WifiInfo.STATUS_DISCONNECTED
            if info.essid:
                info.frequency = float(wifi.getFrequency().split(' ')[0])
                info.APaddr = wifi.getAPaddr()
                info.status = WifiInfo.STATUS_CONNECTED
        except IOError:
            # This can happen with an invalid iface
            info.status = WifiInfo.STATUS_ERROR
        except Exception, e:
            info.status = WifiInfo.STATUS_ERROR
            rospy.logerr('Error: %s' % e)

        pub.publish(info)
        poll_rate.sleep()

# 需要导入模块: from pythonwifi.iwlibs import Wireless [as 别名]
# 或者: from pythonwifi.iwlibs.Wireless import getFrequency [as 别名]
	def getStatus(self):
		ifobj = Wireless(self.iface)
		fq = Iwfreq()
		try:
			self.channel = str(fq.getChannel(str(ifobj.getFrequency()[0:-3])))
		except:
			self.channel = 0
		status = {
				  'BSSID': str(ifobj.getAPaddr()), #ifobj.getStatistics()
				  'ESSID': str(ifobj.getEssid()),
				  'quality': "%s/%s" % (ifobj.getStatistics()[1].quality,ifobj.getQualityMax().quality),
				  'signal': str(ifobj.getStatistics()[1].siglevel-0x100) + " dBm",
				  'bitrate': str(ifobj.getBitrate()),
				  'channel': str(self.channel),
				  #'channel': str(fq.getChannel(str(ifobj.getFrequency()[0:-3]))),
		}
		
		for (key, item) in status.items():
			if item is "None" or item is "":
					status[key] = _("N/A")
				
		return status

# 需要导入模块: from pythonwifi.iwlibs import Wireless [as 别名]
# 或者: from pythonwifi.iwlibs.Wireless import getFrequency [as 别名]
class TestWireless(unittest.TestCase):

    def setUp(self):
        ifnames = getNICnames()
        self.wifi = Wireless(ifnames[0])

    def test_wirelessMethods(self):
        # test all wireless methods that they don't return an error
        methods = ['getAPaddr',
                   'getBitrate',
                   'getBitrates',
                   'getChannelInfo',
                   'getEssid',
                   'getFragmentation',
                   'getFrequency',
                   'getMode',
                   'getNwids',
                   'getWirelessName',
                   'getPowermanagement',
                   'getQualityMax',
                   'getQualityAvg',
                   'getRetrylimit',
                   'getRTS',
                   'getSensitivity',
                   'getTXPower',
                   'getStatistics',
                   'commit']

        for m in methods:
            result = getattr(self.wifi, m)()

        old_mode = self.wifi.getMode()
        self.wifi.setMode('Monitor')
        self.assert_(self.wifi.getMode() == 'Monitor')
        self.wifi.setMode(old_mode)

        old_essid = self.wifi.getEssid()
        self.wifi.setEssid('Joost')
        self.assert_(self.wifi.getEssid() == 'Joost')
        self.wifi.setEssid(old_essid)

        old_freq = self.wifi.getFrequency()
        self.wifi.setFrequency('2.462GHz')
        self.assert_(self.wifi.getFrequency() == '2.462GHz')
        self.wifi.setFrequency(old_freq)

        # test setAPaddr - does not work unless AP is real and available
        #old_mac = self.wifi.getAPaddr()
        #self.wifi.setAPaddr('61:62:63:64:65:66')
        #time.sleep(3)                                     # 3 second delay between set and get required
        #self.assert_(self.wifi.getAPaddr() == '61:62:63:64:65:66')
        #self.wifi.setAPaddr(old_mac)

        old_enc = self.wifi.getEncryption()
        self.wifi.setEncryption('restricted')
        self.assert_(self.wifi.getEncryption() == 'restricted')
        self.assert_(self.wifi.getEncryption(symbolic=False) \
                        == IW_ENCODE_RESTRICTED+1)
        self.wifi.setEncryption(old_enc)

        try:
            old_key = self.wifi.getKey()
        except ValueError, msg:
            old_key = None
        self.wifi.setKey('ABCDEF1234', 1)
        self.assert_(self.wifi.getKey() == 'ABCD-EF12-34')
        self.assert_(map(hex, self.wifi.getKey(formatted=False)) \
                        == ['0xab', '0xcd', '0xef', '0x12', '0x34'])
        if old_key:
            self.wifi.setKey(old_key, 1)
        else:
            self.wifi.setEncryption('off')

# 需要导入模块: from pythonwifi.iwlibs import Wireless [as 别名]
# 或者: from pythonwifi.iwlibs.Wireless import getFrequency [as 别名]
def iwconfig(interface):
    """ Get wireless information from the device driver. """
    if interface not in getWNICnames():
        print "%-8.16s  no wireless extensions." % (interface, )
    else:
        wifi = Wireless(interface)
        print """%-8.16s  %s  ESSID:"%s" """ % (interface,
            wifi.getWirelessName(), wifi.getEssid())
        if (wifi.wireless_info.getMode() == pythonwifi.flags.IW_MODE_ADHOC):
            ap_type = "Cell"
        else:
            ap_type = "Access Point"
        ap_addr = wifi.getAPaddr()
        if (ap_addr == "00:00:00:00:00:00"):
            ap_addr = "Not-Associated"
        print """          Mode:%s  Frequency:%s  %s: %s""" % (
            wifi.getMode(), wifi.getFrequency(), ap_type, ap_addr)

        # Bit Rate, TXPower, and Sensitivity line
        line = "          "
        bitrate = getBitrate(wifi)
        if bitrate:
            line = line + bitrate
        txpower = getTXPower(wifi)
        if txpower:
            line = line + txpower
        sensitivity = getSensitivity(wifi)
        if sensitivity:
            line = line + sensitivity
        print line

        # Retry, RTS, and Fragmentation line
        line = "          "
        retry = getRetrylimit(wifi)
        if retry:
            line = line + retry
        rts = getRTS(wifi)
        if rts:
            line = line + rts
        fragment = getFragmentation(wifi)
        if fragment:
            line = line + fragment
        print line

        # Encryption line
        line = "          "
        line = line + getEncryption(wifi)
        print line

        # Power Management line
        line = "          "
        line = line + getPowerManagement(wifi)
        print line

        stat, qual, discard, missed_beacon = wifi.getStatistics()

        # Link Quality, Signal Level and Noise Level line
        line = "          "
        line = line + "Link Quality:%s/100  " % (qual.quality, )
        line = line + "Signal level:%sdBm  " % (qual.signallevel, )
        line = line + "Noise level:%sdBm" % (qual.noiselevel, )
        print line

        # Rx line
        line = "          "
        line = line + "Rx invalid nwid:%s  " % (discard['nwid'], )
        line = line + "Rx invalid crypt:%s  " % (discard['code'], )
        line = line + "Rx invalid frag:%s" % (discard['fragment'], )
        print line

        # Tx line
        line = "          "
        line = line + "Tx excessive retries:%s  " % (discard['retries'], )
        line = line + "Invalid misc:%s   " % (discard['misc'], )
        line = line + "Missed beacon:%s" % (missed_beacon, )
        print line

    print

# 需要导入模块: from pythonwifi.iwlibs import Wireless [as 别名]
# 或者: from pythonwifi.iwlibs.Wireless import getFrequency [as 别名]
def iwconfig(interface):
    """ Get wireless information from the device driver. """
    if interface not in getWNICnames():
        print "%-8.16s  no wireless extensions." % (interface, )
    else:
        wifi = Wireless(interface)
        line = """%-8.16s  %s  """ % (interface, wifi.getWirelessName())
        if (wifi.getEssid()):
            line = line + """ESSID:"%s"  \n          """ % (wifi.getEssid(), )
        else:
            line = line + "ESSID:off/any  \n          "

        # Mode, Frequency, and Access Point
        line = line + "Mode:" + wifi.getMode()
        try:
            line = line + "  Frequency:" + wifi.getFrequency()
        except IOError, (error_number, error_string):
            # Some drivers do not return frequency info if not associated
            pass

        if (wifi.wireless_info.getMode() == pythonwifi.flags.IW_MODE_ADHOC):
            ap_type = "Cell"
        else:
            ap_type = "Access Point"
        ap_addr = wifi.getAPaddr()
        if (ap_addr == "00:00:00:00:00:00"):
            ap_addr = "Not-Associated"
        line = line + "  " + ap_type + ": " + ap_addr + "   "
        print line

        # Bit Rate, TXPower, and Sensitivity line
        line = "          "
        bitrate = getBitrate(wifi)
        if bitrate:
            line = line + bitrate
        txpower = getTXPower(wifi)
        if txpower:
            line = line + txpower
        sensitivity = getSensitivity(wifi)
        if sensitivity:
            line = line + sensitivity
        print line

        # Retry, RTS, and Fragmentation line
        line = "          "
        retry = getRetrylimit(wifi)
        if retry:
            line = line + retry
        rts = getRTS(wifi)
        if rts:
            line = line + rts
        fragment = getFragmentation(wifi)
        if fragment:
            line = line + fragment
        print line

        # Encryption line
        line = "          "
        line = line + getEncryption(wifi)
        print line

        # Power Management line
        line = "          "
        line = line + getPowerManagement(wifi)
        print line

        try:
            stat, qual, discard, missed_beacon = wifi.getStatistics()
        except IOError, (error_number, error_string):
            # Some drivers do not return statistics info if not associated
            pass