18647213774

Committed 20 Oct 2025 08:56AM UTC coverage: 35.8% (-0.1%) from 35.921%

Build # 18647213774

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push

github

Committed by

stephendade

Commit Message

Build: Fix package versions

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/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'
}

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', { value: 921600, label: '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' })
        }

        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,
            });
        }

        this.device = device;
        this.baudRate = baudRate;
        this.localIP = localIP;
        this.remoteIP = remoteIP;
        
        const args = [
            "pppd",
            this.device.value,
            this.baudRate.value, // 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: [],
                });
            } else {
                this.serialDevices = devices;
                // Set default device if not already set
                if (!this.device && this.serialDevices.length > 0) {
                    this.device = this.serialDevices[0]; // Set first available device as default
                }
                // 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];
                }
                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.value / 8); // percent of baud rate used
                    const percentusedTx = txRate / (this.baudRate.value / 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;
        }
    }
}


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

stephendade / Rpanion-server / 18647213774

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