fixes wifi

lib/wifi.js

@@ -33,83 +33,94 @@ function wifiQualityFromDB(db) {
   return result <= 100 ? result : 100;
 }
 
+const _wifi_frequencies = {
+  1: 2412,
+  2: 2417,
+  3: 2422,
+  4: 2427,
+  5: 2432,
+  6: 2437,
+  7: 2442,
+  8: 2447,
+  9: 2452,
+  10: 2457,
+  11: 2462,
+  12: 2467,
+  13: 2472,
+  14: 2484,
+  32: 5160,
+  34: 5170,
+  36: 5180,
+  38: 5190,
+  40: 5200,
+  42: 5210,
+  44: 5220,
+  46: 5230,
+  48: 5240,
+  50: 5250,
+  52: 5260,
+  54: 5270,
+  56: 5280,
+  58: 5290,
+  60: 5300,
+  62: 5310,
+  64: 5320,
+  68: 5340,
+  96: 5480,
+  100: 5500,
+  102: 5510,
+  104: 5520,
+  106: 5530,
+  108: 5540,
+  110: 5550,
+  112: 5560,
+  114: 5570,
+  116: 5580,
+  118: 5590,
+  120: 5600,
+  122: 5610,
+  124: 5620,
+  126: 5630,
+  128: 5640,
+  132: 5660,
+  134: 5670,
+  136: 5680,
+  138: 5690,
+  140: 5700,
+  142: 5710,
+  144: 5720,
+  149: 5745,
+  151: 5755,
+  153: 5765,
+  155: 5775,
+  157: 5785,
+  159: 5795,
+  161: 5805,
+  165: 5825,
+  169: 5845,
+  173: 5865,
+  183: 4915,
+  184: 4920,
+  185: 4925,
+  187: 4935,
+  188: 4940,
+  189: 4945,
+  192: 4960,
+  196: 4980
+};
+
 function wifiFrequencyFromChannel(channel) {
-  const frequencies = {
+  return {}.hasOwnProperty.call(_wifi_frequencies, channel) ? _wifi_frequencies[channel] : null;
-    1: 2412,
+}
-    2: 2417,
+
-    3: 2422,
+function wifiChannelFromFrequencs(frequency) {
-    4: 2427,
+  let channel = 0;
-    5: 2432,
+  for (let key in _wifi_frequencies) {
-    6: 2437,
+    if ({}.hasOwnProperty.call(_wifi_frequencies, key)) {
-    7: 2442,
+      if (_wifi_frequencies[key] === frequency) { channel = key; }
-    8: 2447,
+    }
-    9: 2452,
+  }
-    10: 2457,
+  return channel;
-    11: 2462,
-    12: 2467,
-    13: 2472,
-    14: 2484,
-    32: 5160,
-    34: 5170,
-    36: 5180,
-    38: 5190,
-    40: 5200,
-    42: 5210,
-    44: 5220,
-    46: 5230,
-    48: 5240,
-    50: 5250,
-    52: 5260,
-    54: 5270,
-    56: 5280,
-    58: 5290,
-    60: 5300,
-    62: 5310,
-    64: 5320,
-    68: 5340,
-    96: 5480,
-    100: 5500,
-    102: 5510,
-    104: 5520,
-    106: 5530,
-    108: 5540,
-    110: 5550,
-    112: 5560,
-    114: 5570,
-    116: 5580,
-    118: 5590,
-    120: 5600,
-    122: 5610,
-    124: 5620,
-    126: 5630,
-    128: 5640,
-    132: 5660,
-    134: 5670,
-    136: 5680,
-    138: 5690,
-    140: 5700,
-    142: 5710,
-    144: 5720,
-    149: 5745,
-    151: 5755,
-    153: 5765,
-    155: 5775,
-    157: 5785,
-    159: 5795,
-    161: 5805,
-    165: 5825,
-    169: 5845,
-    173: 5865,
-    183: 4915,
-    184: 4920,
-    185: 4925,
-    187: 4935,
-    188: 4940,
-    189: 4945,
-    192: 4960,
-    196: 4980
-  };
-  return {}.hasOwnProperty.call(frequencies, channel) ? frequencies[channel] : null;
 }
 
 function ifaceListLinux() {
@@ -178,11 +189,13 @@ function wpaConnectionLinux(iface) {
   const cmd = `wpa_cli -i ${iface} status 2>&1`;
   try {
     const lines = execSync(cmd).toString().split('\n');
+    const freq = util.toInt(util.getValue(lines, 'freq', '='));
     return {
       ssid: util.getValue(lines, 'ssid', '='),
       uuid: util.getValue(lines, 'uuid', '='),
       security: util.getValue(lines, 'key_mgmt', '='),
-      freq: util.getValue(lines, 'freq', '='),
+      freq,
+      channel: wifiChannelFromFrequencs(freq),
       bssid: util.getValue(lines, 'bssid', '=').toLowerCase()
     };
   } catch (e) {
@@ -481,7 +494,7 @@ function wifiConnections(callback) {
           const ssid = nmiDetails.ssid || wpaDetails.ssid;
           const network = networkList.filter(nw => nw.ssid === ssid);
           const nmiConnection = nmiConnectionLinux(ssid);
-          const channel = network && network.length && network[0].channel ? network[0].channel : null;
+          const channel = network && network.length && network[0].channel ? network[0].channel : (wpaDetails && wpaDetails.channel ? wpaDetails.channel : null);
           const bssid = network && network.length && network[0].bssid ? network[0].bssid : (wpaDetails && wpaDetails.bssid ? wpaDetails.bssid : null);
           if (ssid && bssid) {
             result.push({