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wifi read characteristic in bleno and get network SSID on startup

This commit is contained in:
mmcwilliams 2017-12-31 21:23:31 -05:00
parent 488b614e16
commit 43f62e4885
2 changed files with 26 additions and 6 deletions
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21
lib/ble/index.js
View File

@ -80,8 +80,19 @@ function onWifiWrite (data, offset, withoutResponse, callback) {
function onWifiRead (offset, callback) { function onWifiRead (offset, callback) {
const result = bleno.Characteristic.RESULT_SUCCESS const result = bleno.Characteristic.RESULT_SUCCESS
const data = new Buffer(JSON.stringify(currentWifi)) const wifiRes = {}
let data
wifi.list((err, list) => {
if (err) {
result = bleno.Characteristic.RESULT_UNLIKELY_ERROR
return callback(result)
}
wifiRes.available = list
wifiRes.current = currentWifi
log.info('Discovered available APs', { found : list.length })
data = new Buffer(JSON.stringify(wifiRes))
callback(result, data.slice(offset, data.length)) callback(result, data.slice(offset, data.length))
})
} }
function getMac () { function getMac () {
@ -162,6 +173,14 @@ class BLE {
bleno.on('disconnect', clientAddress => { bleno.on('disconnect', clientAddress => {
log.info('disconnect', { clientAddress : clientAddress }) log.info('disconnect', { clientAddress : clientAddress })
}) })
wifi.getNetwork((err, ssid) => {
if (err) {
return log.error('wifi.getNetwork', err)
}
currentWifi = ssid
log.info('wifi.getNetwork', {ssid : ssid})
})
} }
_onWrite (data, offset, withoutResponse, callback) { _onWrite (data, offset, withoutResponse, callback) {
let result = {} let result = {}

9
lib/wifi/index.js
View File

@ -142,13 +142,12 @@ class Wifi {
* Function which initializes the processes for adding a wifi access point authentication * Function which initializes the processes for adding a wifi access point authentication
* *
* @param {string} ssid SSID of network to configure * @param {string} ssid SSID of network to configure
* @param {string} pwd Password of access point, plaintext * @param {string} pwd Password of access point, plaintext to be masked
* @param {string} hash Password/SSID of access point, securely hashed * @param {string} hash Password/SSID of access point, securely hashed
* @param {function} callback Function invoked after process is complete, or fails * @param {function} callback Function invoked after process is complete, or fails
*/ */
setNetwork (ssid, pwd, hash, callback) { setNetwork (ssid, pwd, hash, callback) {
let masked = pwd.split('').map(char => { return '*' }).join('') let masked = pwd.split('').map(char => { return char !== '"' ? '*' : '"' }).join('')
console.log(pwd + ' vs. ' + masked)
_entry = `network={\n\tssid="${ssid}"\n\t#psk=${masked}\n\tpsk=${hash}\n}\n` _entry = `network={\n\tssid="${ssid}"\n\t#psk=${masked}\n\tpsk=${hash}\n}\n`
_cb = callback _cb = callback
_ssid = ssid _ssid = ssid
@ -160,11 +159,13 @@ class Wifi {
* @param {function} callback Function which is invoked after command is completed * @param {function} callback Function which is invoked after command is completed
*/ */
getNetwork (callback) { getNetwork (callback) {
let output
exec(iwgetid, (err, stdout, stderr) => { exec(iwgetid, (err, stdout, stderr) => {
if (err) { if (err) {
return callback(err) return callback(err)
} }
callback(null, stdout) output = stdout.split('ESSID:')[1].replace(quoteRe, '').trim()
callback(null, output)
}) })
} }
} }