19289060497

Committed 12 Nov 2025 06:55AM UTC coverage: 34.855% (+0.3%) from 34.547%

Build # 19289060497

Build Type

Pull #343

github

Committed by

web-flow

Commit Message

Merge 64666d0db into 2164b81a9

Pull Request Pull Request #343: Add Orange Pi Zero 3 support

Run Details

328 of 1206 branches covered (27.2%)

Branch coverage included in aggregate %.

22 of 34 new or added lines in 3 files covered. (64.71%)

166 existing lines in 3 files now uncovered.

1008 of 2627 relevant lines covered (38.37%)

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37.3

/server/pppConnection.js

/*
    * PPPConnection.js
    * This module manages a PPP connection using pppd.
    * It allows setting device, baud rate, local and remote IPs,
    * starting and stopping the PPP connection, and retrieving data transfer stats.
    * Used for the PPP feature in ArduPilot
*/
const { autoDetect } = require('@serialport/bindings-cpp')
const si = require('systeminformation')
const fs = require('fs');
const { spawn, execSync } = require('child_process');

function isPi () {
  let cpuInfo = ''
  try {
    cpuInfo = fs.readFileSync('/proc/device-tree/compatible', { encoding: 'utf8' })
  } catch (e) {
    // if this fails, this is probably not a pi
    return false
  }

  const model = cpuInfo
    .split(',')
    .filter(line => line.length > 0)

  if (!model || model.length === 0) {
    return false
  }

  return model[0] === 'raspberrypi'
}

function isOrangePi () {
  let cpuInfo = ''
  try {
    cpuInfo = fs.readFileSync('/proc/device-tree/compatible', { encoding: 'utf8' })
  } catch (e) {
    // if this fails, this is probably not an Orange Pi
    return false
  }

  return cpuInfo.toLowerCase().includes('orangepi')
}

class PPPConnection {
    constructor(settings) {
        this.settings = settings
        this.isConnected = this.settings.value('ppp.enabled', false);
        this.pppProcess = null;
        this.device = this.settings.value('ppp.uart', null);
        this.baudRate = this.settings.value('ppp.baud', 921600)
        this.localIP = this.settings.value('ppp.localIP', '192.168.144.14');  // default local IP
        this.remoteIP = this.settings.value('ppp.remoteIP', '192.168.144.15'); // default remote IP
        this.baudRates = [
            { value: 921600, label: '921600' },
            { value: 1500000, label: '1.5 MBaud' },
            { value: 2000000, label: '2 MBaud' },
            { value: 12500000, label: '12.5 MBaud' }];
        this.serialDevices = [];
        this.badbaudRate = false; // flag to indicate if the baud rate is not supported
        this.prevdata = null; // previous data for comparison

        if (this.isConnected) {
            const attemptPPPStart = () => {
                this.startPPP(this.device, this.baudRate, this.localIP, this.remoteIP, (err, result) => {
                    if (err) {
                        if (err.message.includes('already connected')) {
                            console.log('PPP connection is already established. Retrying in 1 second...');
                            this.isConnected = false;
                            this.setSettings();
                            setTimeout(attemptPPPStart, 1000); // Retry after 1 second
                        } else {
                            console.error('Error starting PPP connection:', err);
                            this.isConnected = false;
                            this.setSettings();
                        }
                    } else {
                        console.log('PPP connection started successfully');
                    }
                });
            };

            attemptPPPStart();
        }
    }

    setSettings() {
        this.settings.setValue('ppp.uart', this.device);
        this.settings.setValue('ppp.baud', this.baudRate);
        this.settings.setValue('ppp.localIP', this.localIP);
        this.settings.setValue('ppp.remoteIP', this.remoteIP);
        this.settings.setValue('ppp.enabled', this.isConnected);
    }

    quitting() {
        // stop the PPP connection if rpanion is quitting
        if (this.pppProcess) {
            console.log('Stopping PPP connection on quit...');
            this.pppProcess.kill();
            try {
                execSync('sudo pkill -SIGTERM pppd && sleep 1');
            } catch (error) {
                console.error('Error stopping PPP connection on shutdown:', error);
            }
        }
        console.log('PPPConnection quitting');
    }

    async getDevices (callback) {
        // get all serial devices
        this.serialDevices = []
        let retError = null

        const Binding = autoDetect()
        const ports = await Binding.list()

        for (let i = 0, len = ports.length; i < len; i++) {
            if (ports[i].pnpId !== undefined) {
                // usb-ArduPilot_Pixhawk1-1M_32002A000847323433353231-if00
                // console.log("Port: ", ports[i].pnpID);
                let namePorts = ''
                if (ports[i].pnpId.split('_').length > 2) {
                namePorts = ports[i].pnpId.split('_')[1] + ' (' + ports[i].path + ')'
                } else {
                namePorts = ports[i].manufacturer + ' (' + ports[i].path + ')'
                }
                // console.log("Port: ", ports[i].pnpID);
                this.serialDevices.push({ value: ports[i].path, label: namePorts, pnpId: ports[i].pnpId })
            } else if (ports[i].manufacturer !== undefined) {
                // on recent RasPiOS, the pnpID is undefined :(
                const nameports = ports[i].manufacturer + ' (' + ports[i].path + ')'
                this.serialDevices.push({ value: ports[i].path, label: nameports, pnpId: nameports })
            }
        }

        // for the Ras Pi's inbuilt UART
        if (fs.existsSync('/dev/serial0') && isPi()) {
        this.serialDevices.push({ value: '/dev/serial0', label: '/dev/serial0', pnpId: '/dev/serial0' })
        }
        if (fs.existsSync('/dev/ttyAMA0') && isPi()) {
        //Pi5 uses a different UART name. See https://forums.raspberrypi.com/viewtopic.php?t=359132
        this.serialDevices.push({ value: '/dev/ttyAMA0', label: '/dev/ttyAMA0', pnpId: '/dev/ttyAMA0' })
        }
        if (fs.existsSync('/dev/ttyAMA1') && isPi()) {
        this.serialDevices.push({ value: '/dev/ttyAMA1', label: '/dev/ttyAMA1', pnpId: '/dev/ttyAMA1' })
        }
        if (fs.existsSync('/dev/ttyAMA2') && isPi()) {
        this.serialDevices.push({ value: '/dev/ttyAMA2', label: '/dev/ttyAMA2', pnpId: '/dev/ttyAMA2' })
        }
        if (fs.existsSync('/dev/ttyAMA3') && isPi()) {
        this.serialDevices.push({ value: '/dev/ttyAMA3', label: '/dev/ttyAMA3', pnpId: '/dev/ttyAMA3' })
        }
        if (fs.existsSync('/dev/ttyAMA4') && isPi()) {
        this.serialDevices.push({ value: '/dev/ttyAMA4', label: '/dev/ttyAMA4', pnpId: '/dev/ttyAMA4' })
        }
        // rpi uart has different name under Ubuntu
        const data = await si.osInfo()
        if (data.distro.toString().includes('Ubuntu') && fs.existsSync('/dev/ttyS0') && isPi()) {
        // console.log("Running Ubuntu")
        this.serialDevices.push({ value: '/dev/ttyS0', label: '/dev/ttyS0', pnpId: '/dev/ttyS0' })
        }
        // jetson serial ports
        if (fs.existsSync('/dev/ttyTHS1')) {
        this.serialDevices.push({ value: '/dev/ttyTHS1', label: '/dev/ttyTHS1', pnpId: '/dev/ttyTHS1' })
        }
        if (fs.existsSync('/dev/ttyTHS2')) {
        this.serialDevices.push({ value: '/dev/ttyTHS2', label: '/dev/ttyTHS2', pnpId: '/dev/ttyTHS2' })
        }
        if (fs.existsSync('/dev/ttyTHS3')) {
        this.serialDevices.push({ value: '/dev/ttyTHS3', label: '/dev/ttyTHS3', pnpId: '/dev/ttyTHS3' })
        }
        // Orange Pi Zero3 serial ports
        if (fs.existsSync('/dev/ttyS5') && isOrangePi()) {
        this.serialDevices.push({ value: '/dev/ttyS5', label: '/dev/ttyS5', pnpId: '/dev/ttyS5' })
        }
        if (fs.existsSync('/dev/ttyAS5') && isOrangePi()) {
        this.serialDevices.push({ value: '/dev/ttyAS5', label: '/dev/ttyAS5', pnpId: '/dev/ttyAS5' })
        }
        return callback(retError, this.serialDevices);
    }

    startPPP(device, baudRate, localIP, remoteIP, callback) {
        this.badbaudRate = false;
        if (this.isConnected) {
            return callback(new Error('PPP is already connected'), {
                selDevice: this.device,
                selBaudRate: this.baudRate,
                localIP: this.localIP,
                remoteIP: this.remoteIP,
                enabled: this.isConnected,
                baudRates: this.baudRates,
                serialDevices: this.serialDevices,
            });
        }
        if (!device) {
            return callback(new Error('Device is required'), {
                selDevice: this.device,
                selBaudRate: this.baudRate,
                localIP: this.localIP,
                remoteIP: this.remoteIP,
                enabled: this.isConnected,
                baudRates: this.baudRates,
                serialDevices: this.serialDevices,
            });
        }
        if (this.pppProcess) {
            return callback(new Error('PPP still running. Please wait for it to finish.'), {
                selDevice: this.device,
                selBaudRate: this.baudRate,
                localIP: this.localIP,
                remoteIP: this.remoteIP,
                enabled: this.isConnected,
                baudRates: this.baudRates,
                serialDevices: this.serialDevices,
            });
        }

        //ensure device string is valid in the serialdevices list
        const validDevice = this.serialDevices.find(d => d.value === device);
        if (!validDevice) {
            return callback(new Error('Invalid device selected'), {
                selDevice: this.device,
                selBaudRate: this.baudRate,
                localIP: this.localIP,
                remoteIP: this.remoteIP,
                enabled: this.isConnected,
                baudRates: this.baudRates,
                serialDevices: this.serialDevices,
            });
        }

        this.device = device;
        this.baudRate = baudRate;
        this.localIP = localIP;
        this.remoteIP = remoteIP;
        
        const args = [
            "pppd",
            this.device,
            this.baudRate, // baud rate
            //'persist',          // enables faster termination
            //'holdoff', '1',     // minimum delay of 1 second between connection attempts
            this.localIP + ':' + this.remoteIP, // local and remote IPs
            'local',
            'noauth',
            //'debug',
            'crtscts',
            'nodetach',
            'ktune'
        ];
        // if running in dev env, need to preload sudo login
        if (process.env.NODE_ENV === 'development') {
            execSync('sudo -v');
        }
        console.log(`Starting PPP with args: ${args.join(' ')}`);
        this.pppProcess = spawn('sudo', args, {
        //detached: true,
        stdio: ['ignore', 'pipe', 'pipe'] // or 'ignore' for all three to fully detach
        });
        this.pppProcess.stdout.on('data', (data) => {
            console.log("PPP Output: ", data.toString().trim());
            // Check for non support baud rates "speed <baud> not supported"
            if (data.toString().includes('speed') && data.toString().includes('not supported')) {
                this.pppProcess.kill();
                this.pppProcess = null; // reset the process reference
                this.isConnected = false;
                this.badbaudRate = true;
            }
        });
        this.pppProcess.stderr.on('data', (data) => {
            console.log("PPP Error: ", data.toString().trim());
        });
        this.pppProcess.on('close', (code) => {
            console.log("PPP process exited with code: ", code.toString().trim());
            this.isConnected = false;
            this.pppProcess = null; // reset the process reference
            this.setSettings();
        });
        this.isConnected = true;
        this.setSettings();
        return callback(null, {
            selDevice: this.device,
            selBaudRate: this.baudRate,
            localIP: this.localIP,
            remoteIP: this.remoteIP,
            enabled: this.isConnected,
            baudRates: this.baudRates,
            serialDevices: this.serialDevices,
        });
    }

    stopPPP(callback) {
        if (!this.isConnected) {
            return callback(new Error('PPP is not connected'), {
                selDevice: this.device,
                selBaudRate: this.baudRate,
                localIP: this.localIP,
                remoteIP: this.remoteIP,
                enabled: this.isConnected,
                baudRates: this.baudRates,
                serialDevices: this.serialDevices,
            });
        }
        if (this.pppProcess) {
            // Gracefully kill the PPP process
            console.log('Stopping PPP connection...');
            this.pppProcess.kill();
            execSync('sudo pkill -SIGTERM pppd');
            this.isConnected = false;
            this.setSettings();
        }
        return callback(null, {
            selDevice: this.device,
            selBaudRate: this.baudRate,
            localIP: this.localIP,
            remoteIP: this.remoteIP,
            enabled: this.isConnected,
            baudRates: this.baudRates,
            serialDevices: this.serialDevices,
        });
    }

    getPPPdatarate(callback) {
        if (!this.isConnected) {
            return callback(new Error('PPP is not connected'));
        }
        // get current data transfer stats for connected PPP session
        return new Promise((resolve, reject) => {
            exec('ifconfig ppp0', (error, stdout, stderr) => {
                if (error) {
                    reject(`Error getting PPP data rate: ${stderr}`);
                } else {
                    // match format RX packets 110580  bytes 132651067 (132.6 MB)
                    const match = stdout.match(/RX packets \d+  bytes (\d+) \(\d+\.\d+ MB\).*TX packets \d+  bytes (\d+) \(\d+\.\d+ MB\)/);
                    if (match) {
                        const rxBytes = parseInt(match[1], 10);
                        const txBytes = parseInt(match[5], 10);
                        resolve({ rxBytes, txBytes });
                    } else {
                        reject('Could not parse PPP data rate');
                    }
                }
            });
        });
    }

    getPPPSettings(callback) {
        this.getDevices((err, devices) => {
            if (err) {
                console.error('Error fetching serial devices:', err);
                return callback(err, {
                    selDevice: null,
                    selBaudRate: this.baudRate,
                    localIP: this.localIP,
                    remoteIP: this.remoteIP,
                    enabled: this.isConnected,
                    baudRates: this.baudRates,
                    serialDevices: [],
                });
            }
            
            this.serialDevices = devices;
            
            // Set default device if not already set
            if (!this.device && this.serialDevices.length > 0) {
                this.device = this.serialDevices[0].value;
            }
            
            // if this.device is not in the list, set it to first available device
            if (this.device && !this.serialDevices.some(d => d.value === this.device.value)) {
                this.device = this.serialDevices[0].value;
            }
            
            // Always return callback
            return callback(null, {
                selDevice: this.device,
                selBaudRate: this.baudRate,
                localIP: this.localIP,
                remoteIP: this.remoteIP,
                enabled: this.isConnected,
                baudRates: this.baudRates,
                serialDevices: this.serialDevices,
            });
        });
    }

    // uses ifconfig to get the PPP connection datarate
    getPPPDataRate() {
        if (!this.isConnected) {
            return { rxRate: 0, txRate: 0 };
        }
        // get current data transfer stats for connected PPP session
        try {
            let stdout = execSync('ifconfig ppp0 | grep packets', { encoding: 'utf8' }).toString().trim();
            if (!stdout) {
                return { rxRate: 0, txRate: 0, percentusedRx: 0, percentusedTx: 0 };
            }
            // match format :
            //        RX packets 0  bytes 0 (0.0 B)
            //        TX packets 118  bytes 12232 (12.2 KB)
            const [ , matchRX, matchTX ] = stdout.match(/RX\s+packets\s+\d+\s+bytes\s+(\d+).*TX\s+packets\s+\d+\s+bytes\s+(\d+)/s);
            if (matchRX && matchTX) {
                const rxBytes = parseInt(matchRX);
                const txBytes = parseInt(matchTX);
                // calculate the data rate in bytes per second
                if (this.prevdata) {
                    const elapsed = Date.now() - this.prevdata.timestamp; // in milliseconds
                    const rxRate = (rxBytes - this.prevdata.rxBytes) / (elapsed / 1000); // bytes per second
                    const txRate = (txBytes - this.prevdata.txBytes) / (elapsed / 1000); // bytes per second
                    const percentusedRx = rxRate / (this.baudRate / 8); // percent of baud rate used
                    const percentusedTx = txRate / (this.baudRate / 8); // percent of baud rate used
                    this.prevdata = { rxBytes, txBytes, timestamp: Date.now() };
                    return { rxRate, txRate, percentusedRx, percentusedTx };
                }
                this.prevdata = { rxBytes, txBytes, timestamp: Date.now() };
                return { rxRate: 0, txRate: 0, percentusedRx: 0, percentusedTx: 0 };
            } else {
                return { rxRate: 0, txRate: 0, percentusedRx: 0, percentusedTx: 0};
            }
        } catch (error) {
            console.error('Error getting PPP data rate:', error.message);
            return { rxRate: 0, txRate: 0, percentusedRx: 0, percentusedTx: 0 };
        }
    }

    // Returns a string representation of the PPP connection status for use by socket.io
    conStatusStr () {
        //format the connection status string
        if (this.badbaudRate) {
            return 'Disconnected (Baud rate not supported)';
        }
        if (!this.isConnected) {
            return 'Disconnected';
        }
        if (this.pppProcess && this.pppProcess.pid) {
            //get datarate
            const { rxRate, txRate, percentusedRx, percentusedTx } = this.getPPPDataRate();
            let status = 'Connected';
            if (this.pppProcess.pid) {
                status += ` (PID: ${this.pppProcess.pid})`;
            }
            if (rxRate > 0 || txRate > 0) {
                status += `, RX: ${rxRate.toFixed(2)} B/s (${(percentusedRx * 100).toFixed(2)}%), TX: ${txRate.toFixed(2)} B/s (${(percentusedTx * 100).toFixed(2)}%)`;
            } else {
                status += ', No data transfer';
            }
            return status;
        }
        else {
            return 'Disconnected';
        }
    }
}


module.exports = PPPConnection;

1	/*
2	* PPPConnection.js
3	* This module manages a PPP connection using pppd.
4	* It allows setting device, baud rate, local and remote IPs,
5	* starting and stopping the PPP connection, and retrieving data transfer stats.
6	* Used for the PPP feature in ArduPilot
7	*/
8	const { autoDetect } = require('@serialport/bindings-cpp')	3✔
9	const si = require('systeminformation')	3✔
10	const fs = require('fs');	3✔
11	const { spawn, execSync } = require('child_process');	3✔
12
13	function isPi () {
14	let cpuInfo = ''	3✔
15	try {	3✔
16	cpuInfo = fs.readFileSync('/proc/device-tree/compatible', { encoding: 'utf8' })	3✔
17	} catch (e) {
18	// if this fails, this is probably not a pi
19	return false	3✔
20	}
21
22	const model = cpuInfo	×
23	.split(',')
24	.filter(line => line.length > 0)	×
25
26	if (!model \|\| model.length === 0) {	×
27	return false	×
28	}
29
30	return model[0] === 'raspberrypi'	×
31	}
32
33	function isOrangePi () {
34	let cpuInfo = ''	3✔
35	try {	3✔
36	cpuInfo = fs.readFileSync('/proc/device-tree/compatible', { encoding: 'utf8' })	3✔
37	} catch (e) {
38	// if this fails, this is probably not an Orange Pi
39	return false	3✔
40	}
41
NEW 42	return cpuInfo.toLowerCase().includes('orangepi')	×
43	}
44
45	class PPPConnection {
46	constructor(settings) {
47	this.settings = settings	39✔
48	this.isConnected = this.settings.value('ppp.enabled', false);	39✔
49	this.pppProcess = null;	39✔
50	this.device = this.settings.value('ppp.uart', null);	39✔
51	this.baudRate = this.settings.value('ppp.baud', 921600)	39✔
52	this.localIP = this.settings.value('ppp.localIP', '192.168.144.14'); // default local IP	39✔
53	this.remoteIP = this.settings.value('ppp.remoteIP', '192.168.144.15'); // default remote IP	39✔
54	this.baudRates = [	39✔
55	{ value: 921600, label: '921600' },
56	{ value: 1500000, label: '1.5 MBaud' },
57	{ value: 2000000, label: '2 MBaud' },
58	{ value: 12500000, label: '12.5 MBaud' }];
59	this.serialDevices = [];	39✔
60	this.badbaudRate = false; // flag to indicate if the baud rate is not supported	39✔
61	this.prevdata = null; // previous data for comparison	39✔
62
63	if (this.isConnected) {	39✔
64	const attemptPPPStart = () => {	3✔
65	this.startPPP(this.device, this.baudRate, this.localIP, this.remoteIP, (err, result) => {	6✔
66	if (err) {	6!
67	if (err.message.includes('already connected')) {	6✔
68	console.log('PPP connection is already established. Retrying in 1 second...');	3✔
69	this.isConnected = false;	3✔
70	this.setSettings();	3✔
71	setTimeout(attemptPPPStart, 1000); // Retry after 1 second	3✔
72	} else {
73	console.error('Error starting PPP connection:', err);	3✔
74	this.isConnected = false;	3✔
75	this.setSettings();	3✔
76	}
77	} else {
UNCOV 78	console.log('PPP connection started successfully');	×
79	}
80	});
81	};
82
83	attemptPPPStart();	3✔
84	}
85	}
86
87	setSettings() {
88	this.settings.setValue('ppp.uart', this.device);	9✔
89	this.settings.setValue('ppp.baud', this.baudRate);	9✔
90	this.settings.setValue('ppp.localIP', this.localIP);	9✔
91	this.settings.setValue('ppp.remoteIP', this.remoteIP);	9✔
92	this.settings.setValue('ppp.enabled', this.isConnected);	9✔
93	}
94
95	quitting() {
96	// stop the PPP connection if rpanion is quitting
97	if (this.pppProcess) {	6!
UNCOV 98	console.log('Stopping PPP connection on quit...');	×
UNCOV 99	this.pppProcess.kill();	×
UNCOV 100	try {	×
101	execSync('sudo pkill -SIGTERM pppd && sleep 1');	×
102	} catch (error) {
103	console.error('Error stopping PPP connection on shutdown:', error);	×
104	}
105	}
106	console.log('PPPConnection quitting');	6✔
107	}
108
109	async getDevices (callback) {
110	// get all serial devices
111	this.serialDevices = []	3✔
112	let retError = null	3✔
113
114	const Binding = autoDetect()	3✔
115	const ports = await Binding.list()	3✔
116
117	for (let i = 0, len = ports.length; i < len; i++) {	3✔
118	if (ports[i].pnpId !== undefined) {	96!
119	// usb-ArduPilot_Pixhawk1-1M_32002A000847323433353231-if00
120	// console.log("Port: ", ports[i].pnpID);
UNCOV 121	let namePorts = ''	×
UNCOV 122	if (ports[i].pnpId.split('_').length > 2) {	×
UNCOV 123	namePorts = ports[i].pnpId.split('_')[1] + ' (' + ports[i].path + ')'	×
124	} else {
125	namePorts = ports[i].manufacturer + ' (' + ports[i].path + ')'	×
126	}
127	// console.log("Port: ", ports[i].pnpID);
128	this.serialDevices.push({ value: ports[i].path, label: namePorts, pnpId: ports[i].pnpId })	×
129	} else if (ports[i].manufacturer !== undefined) {	96!
130	// on recent RasPiOS, the pnpID is undefined :(
131	const nameports = ports[i].manufacturer + ' (' + ports[i].path + ')'	×
UNCOV 132	this.serialDevices.push({ value: ports[i].path, label: nameports, pnpId: nameports })	×
133	}
134	}
135
136	// for the Ras Pi's inbuilt UART
137	if (fs.existsSync('/dev/serial0') && isPi()) {	3!
UNCOV 138	this.serialDevices.push({ value: '/dev/serial0', label: '/dev/serial0', pnpId: '/dev/serial0' })	×
139	}
140	if (fs.existsSync('/dev/ttyAMA0') && isPi()) {	3!
141	//Pi5 uses a different UART name. See https://forums.raspberrypi.com/viewtopic.php?t=359132
UNCOV 142	this.serialDevices.push({ value: '/dev/ttyAMA0', label: '/dev/ttyAMA0', pnpId: '/dev/ttyAMA0' })	×
143	}
144	if (fs.existsSync('/dev/ttyAMA1') && isPi()) {	3!
145	this.serialDevices.push({ value: '/dev/ttyAMA1', label: '/dev/ttyAMA1', pnpId: '/dev/ttyAMA1' })	×
146	}
147	if (fs.existsSync('/dev/ttyAMA2') && isPi()) {	3!
148	this.serialDevices.push({ value: '/dev/ttyAMA2', label: '/dev/ttyAMA2', pnpId: '/dev/ttyAMA2' })	×
149	}
150	if (fs.existsSync('/dev/ttyAMA3') && isPi()) {	3!
151	this.serialDevices.push({ value: '/dev/ttyAMA3', label: '/dev/ttyAMA3', pnpId: '/dev/ttyAMA3' })	×
152	}
153	if (fs.existsSync('/dev/ttyAMA4') && isPi()) {	3!
154	this.serialDevices.push({ value: '/dev/ttyAMA4', label: '/dev/ttyAMA4', pnpId: '/dev/ttyAMA4' })	×
155	}
156	// rpi uart has different name under Ubuntu
157	const data = await si.osInfo()	3✔
158	if (data.distro.toString().includes('Ubuntu') && fs.existsSync('/dev/ttyS0') && isPi()) {	3!
159	// console.log("Running Ubuntu")
UNCOV 160	this.serialDevices.push({ value: '/dev/ttyS0', label: '/dev/ttyS0', pnpId: '/dev/ttyS0' })	×
161	}
162	// jetson serial ports
163	if (fs.existsSync('/dev/ttyTHS1')) {	3!
UNCOV 164	this.serialDevices.push({ value: '/dev/ttyTHS1', label: '/dev/ttyTHS1', pnpId: '/dev/ttyTHS1' })	×
165	}
166	if (fs.existsSync('/dev/ttyTHS2')) {	3!
167	this.serialDevices.push({ value: '/dev/ttyTHS2', label: '/dev/ttyTHS2', pnpId: '/dev/ttyTHS2' })	×
168	}
169	if (fs.existsSync('/dev/ttyTHS3')) {	3!
170	this.serialDevices.push({ value: '/dev/ttyTHS3', label: '/dev/ttyTHS3', pnpId: '/dev/ttyTHS3' })	×
171	}
172	// Orange Pi Zero3 serial ports
173	if (fs.existsSync('/dev/ttyS5') && isOrangePi()) {	3!
NEW UNCOV 174	this.serialDevices.push({ value: '/dev/ttyS5', label: '/dev/ttyS5', pnpId: '/dev/ttyS5' })	×
175	}
176	if (fs.existsSync('/dev/ttyAS5') && isOrangePi()) {	3!
NEW 177	this.serialDevices.push({ value: '/dev/ttyAS5', label: '/dev/ttyAS5', pnpId: '/dev/ttyAS5' })	×
178	}
179	return callback(retError, this.serialDevices);	3✔
180	}
181
182	startPPP(device, baudRate, localIP, remoteIP, callback) {
183	this.badbaudRate = false;	15✔
184	if (this.isConnected) {	15✔
185	return callback(new Error('PPP is already connected'), {	6✔
186	selDevice: this.device,
187	selBaudRate: this.baudRate,
188	localIP: this.localIP,
189	remoteIP: this.remoteIP,
190	enabled: this.isConnected,
191	baudRates: this.baudRates,
192	serialDevices: this.serialDevices,
193	});
194	}
195	if (!device) {	9✔
196	return callback(new Error('Device is required'), {	3✔
197	selDevice: this.device,
198	selBaudRate: this.baudRate,
199	localIP: this.localIP,
200	remoteIP: this.remoteIP,
201	enabled: this.isConnected,
202	baudRates: this.baudRates,
203	serialDevices: this.serialDevices,
204	});
205	}
206	if (this.pppProcess) {	6!
UNCOV 207	return callback(new Error('PPP still running. Please wait for it to finish.'), {	×
208	selDevice: this.device,
209	selBaudRate: this.baudRate,
210	localIP: this.localIP,
211	remoteIP: this.remoteIP,
212	enabled: this.isConnected,
213	baudRates: this.baudRates,
214	serialDevices: this.serialDevices,
215	});
216	}
217
218	//ensure device string is valid in the serialdevices list
219	const validDevice = this.serialDevices.find(d => d.value === device);	6✔
220	if (!validDevice) {	6!
221	return callback(new Error('Invalid device selected'), {	6✔
222	selDevice: this.device,
223	selBaudRate: this.baudRate,
224	localIP: this.localIP,
225	remoteIP: this.remoteIP,
226	enabled: this.isConnected,
227	baudRates: this.baudRates,
228	serialDevices: this.serialDevices,
229	});
230	}
231
UNCOV 232	this.device = device;	×
UNCOV 233	this.baudRate = baudRate;	×
UNCOV 234	this.localIP = localIP;	×
235	this.remoteIP = remoteIP;	×
236
237	const args = [	×
238	"pppd",
239	this.device,
240	this.baudRate, // baud rate
241	//'persist', // enables faster termination
242	//'holdoff', '1', // minimum delay of 1 second between connection attempts
243	this.localIP + ':' + this.remoteIP, // local and remote IPs
244	'local',
245	'noauth',
246	//'debug',
247	'crtscts',
248	'nodetach',
249	'ktune'
250	];
251	// if running in dev env, need to preload sudo login
UNCOV 252	if (process.env.NODE_ENV === 'development') {	×
UNCOV 253	execSync('sudo -v');	×
254	}
255	console.log(`Starting PPP with args: ${args.join(' ')}`);	×
256	this.pppProcess = spawn('sudo', args, {	×
257	//detached: true,
258	stdio: ['ignore', 'pipe', 'pipe'] // or 'ignore' for all three to fully detach
259	});
UNCOV 260	this.pppProcess.stdout.on('data', (data) => {	×
UNCOV 261	console.log("PPP Output: ", data.toString().trim());	×
262	// Check for non support baud rates "speed <baud> not supported"
263	if (data.toString().includes('speed') && data.toString().includes('not supported')) {	×
264	this.pppProcess.kill();	×
UNCOV 265	this.pppProcess = null; // reset the process reference	×
266	this.isConnected = false;	×
267	this.badbaudRate = true;	×
268	}
269	});
270	this.pppProcess.stderr.on('data', (data) => {	×
UNCOV 271	console.log("PPP Error: ", data.toString().trim());	×
272	});
273	this.pppProcess.on('close', (code) => {	×
274	console.log("PPP process exited with code: ", code.toString().trim());	×
UNCOV 275	this.isConnected = false;	×
276	this.pppProcess = null; // reset the process reference	×
277	this.setSettings();	×
278	});
279	this.isConnected = true;	×
280	this.setSettings();	×
UNCOV 281	return callback(null, {	×
282	selDevice: this.device,
283	selBaudRate: this.baudRate,
284	localIP: this.localIP,
285	remoteIP: this.remoteIP,
286	enabled: this.isConnected,
287	baudRates: this.baudRates,
288	serialDevices: this.serialDevices,
289	});
290	}
291
292	stopPPP(callback) {
293	if (!this.isConnected) {	6✔
294	return callback(new Error('PPP is not connected'), {	3✔
295	selDevice: this.device,
296	selBaudRate: this.baudRate,
297	localIP: this.localIP,
298	remoteIP: this.remoteIP,
299	enabled: this.isConnected,
300	baudRates: this.baudRates,
301	serialDevices: this.serialDevices,
302	});
303	}
304	if (this.pppProcess) {	3!
305	// Gracefully kill the PPP process
UNCOV 306	console.log('Stopping PPP connection...');	×
UNCOV 307	this.pppProcess.kill();	×
UNCOV 308	execSync('sudo pkill -SIGTERM pppd');	×
309	this.isConnected = false;	×
310	this.setSettings();	×
311	}
312	return callback(null, {	3✔
313	selDevice: this.device,
314	selBaudRate: this.baudRate,
315	localIP: this.localIP,
316	remoteIP: this.remoteIP,
317	enabled: this.isConnected,
318	baudRates: this.baudRates,
319	serialDevices: this.serialDevices,
320	});
321	}
322
323	getPPPdatarate(callback) {
UNCOV 324	if (!this.isConnected) {	×
UNCOV 325	return callback(new Error('PPP is not connected'));	×
326	}
327	// get current data transfer stats for connected PPP session
328	return new Promise((resolve, reject) => {	×
UNCOV 329	exec('ifconfig ppp0', (error, stdout, stderr) => {	×
UNCOV 330	if (error) {	×
331	reject(`Error getting PPP data rate: ${stderr}`);	×
332	} else {
333	// match format RX packets 110580 bytes 132651067 (132.6 MB)
334	const match = stdout.match(/RX packets \d+ bytes (\d+) \(\d+\.\d+ MB\).*TX packets \d+ bytes (\d+) \(\d+\.\d+ MB\)/);	×
UNCOV 335	if (match) {	×
UNCOV 336	const rxBytes = parseInt(match[1], 10);	×
337	const txBytes = parseInt(match[5], 10);	×
338	resolve({ rxBytes, txBytes });	×
339	} else {
340	reject('Could not parse PPP data rate');	×
341	}
342	}
343	});
344	});
345	}
346
347	getPPPSettings(callback) {
UNCOV 348	this.getDevices((err, devices) => {	×
UNCOV 349	if (err) {	×
UNCOV 350	console.error('Error fetching serial devices:', err);	×
351	return callback(err, {	×
352	selDevice: null,
353	selBaudRate: this.baudRate,
354	localIP: this.localIP,
355	remoteIP: this.remoteIP,
356	enabled: this.isConnected,
357	baudRates: this.baudRates,
358	serialDevices: [],
359	});
360	}
361
UNCOV 362	this.serialDevices = devices;	×
363
364	// Set default device if not already set
365	if (!this.device && this.serialDevices.length > 0) {	×
UNCOV 366	this.device = this.serialDevices[0].value;	×
367	}
368
369	// if this.device is not in the list, set it to first available device
UNCOV 370	if (this.device && !this.serialDevices.some(d => d.value === this.device.value)) {	×
UNCOV 371	this.device = this.serialDevices[0].value;	×
372	}
373
374	// Always return callback
UNCOV 375	return callback(null, {	×
376	selDevice: this.device,
377	selBaudRate: this.baudRate,
378	localIP: this.localIP,
379	remoteIP: this.remoteIP,
380	enabled: this.isConnected,
381	baudRates: this.baudRates,
382	serialDevices: this.serialDevices,
383	});
384	});
385	}
386
387	// uses ifconfig to get the PPP connection datarate
388	getPPPDataRate() {
UNCOV 389	if (!this.isConnected) {	×
UNCOV 390	return { rxRate: 0, txRate: 0 };	×
391	}
392	// get current data transfer stats for connected PPP session
393	try {	×
UNCOV 394	let stdout = execSync('ifconfig ppp0 \| grep packets', { encoding: 'utf8' }).toString().trim();	×
UNCOV 395	if (!stdout) {	×
396	return { rxRate: 0, txRate: 0, percentusedRx: 0, percentusedTx: 0 };	×
397	}
398	// match format :
399	// RX packets 0 bytes 0 (0.0 B)
400	// TX packets 118 bytes 12232 (12.2 KB)
UNCOV 401	const [ , matchRX, matchTX ] = stdout.match(/RX\s+packets\s+\d+\s+bytes\s+(\d+).*TX\s+packets\s+\d+\s+bytes\s+(\d+)/s);	×
UNCOV 402	if (matchRX && matchTX) {	×
UNCOV 403	const rxBytes = parseInt(matchRX);	×
404	const txBytes = parseInt(matchTX);	×
405	// calculate the data rate in bytes per second
406	if (this.prevdata) {	×
407	const elapsed = Date.now() - this.prevdata.timestamp; // in milliseconds	×
UNCOV 408	const rxRate = (rxBytes - this.prevdata.rxBytes) / (elapsed / 1000); // bytes per second	×
409	const txRate = (txBytes - this.prevdata.txBytes) / (elapsed / 1000); // bytes per second	×
410	const percentusedRx = rxRate / (this.baudRate / 8); // percent of baud rate used	×
411	const percentusedTx = txRate / (this.baudRate / 8); // percent of baud rate used	×
412	this.prevdata = { rxBytes, txBytes, timestamp: Date.now() };	×
413	return { rxRate, txRate, percentusedRx, percentusedTx };	×
414	}
415	this.prevdata = { rxBytes, txBytes, timestamp: Date.now() };	×
416	return { rxRate: 0, txRate: 0, percentusedRx: 0, percentusedTx: 0 };	×
417	} else {
418	return { rxRate: 0, txRate: 0, percentusedRx: 0, percentusedTx: 0};	×
419	}
420	} catch (error) {
421	console.error('Error getting PPP data rate:', error.message);	×
UNCOV 422	return { rxRate: 0, txRate: 0, percentusedRx: 0, percentusedTx: 0 };	×
423	}
424	}
425
426	// Returns a string representation of the PPP connection status for use by socket.io
427	conStatusStr () {
428	//format the connection status string
UNCOV 429	if (this.badbaudRate) {	×
UNCOV 430	return 'Disconnected (Baud rate not supported)';	×
431	}
432	if (!this.isConnected) {	×
433	return 'Disconnected';	×
434	}
435	if (this.pppProcess && this.pppProcess.pid) {	×
436	//get datarate
UNCOV 437	const { rxRate, txRate, percentusedRx, percentusedTx } = this.getPPPDataRate();	×
438	let status = 'Connected';	×
UNCOV 439	if (this.pppProcess.pid) {	×
440	status += ` (PID: ${this.pppProcess.pid})`;	×
441	}
442	if (rxRate > 0 \|\| txRate > 0) {	×
443	status += `, RX: ${rxRate.toFixed(2)} B/s (${(percentusedRx * 100).toFixed(2)}%), TX: ${txRate.toFixed(2)} B/s (${(percentusedTx * 100).toFixed(2)}%)`;	×
444	} else {
445	status += ', No data transfer';	×
446	}
UNCOV 447	return status;	×
448	}
449	else {
450	return 'Disconnected';	×
451	}
452	}
453	}
454
455
456	module.exports = PPPConnection;	3✔

stephendade / Rpanion-server / 19289060497

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