19630453767

Committed 24 Nov 2025 10:05AM UTC coverage: 33.264% (-1.3%) from 34.54%

Build # 19630453767

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Pull #344

github

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web-flow

Commit Message

Merge 9d7f798ab into 0fb9accdf

Pull Request Pull Request #344: Finalsv12

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29.61

/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 { spawn, execSync } = require('child_process');
const { detectSerialDevices, getSerialPathFromValue } = require('./serialDetection.js')

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: 115200, label: '115200' },
            { value: 230400, label: '230400' },
            { value: 460800, label: '460800' },
            { 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
        this.isQuitting  = false;
        this.isManualStop = false; // flag to distinguish manual stop from process crash

        if (this.isConnected) {
            // populate serial devices list and start PPP connection
            this.getDevices((err, devices) => {
                this.devices = devices;
                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
        this.isQuitting = true;
        if (this.pppProcess) {
            console.log('Stopping PPP connection on quit...');
            // Remove all event listeners to prevent close handler from firing
            this.pppProcess.removeAllListeners();
            this.pppProcess.kill();
            this.pppProcess = null;
            try {
                execSync('sudo pkill -SIGTERM pppd && sleep 1');
            } catch (error) {
                console.error('Error stopping PPP connection on shutdown:', error);
            }
        }
    }

    async getDevices (callback) {
        // get all serial devices using hardwareDetection module
        try {
            this.serialDevices = await detectSerialDevices()
            return callback(null, this.serialDevices);
        } catch (error) {
            console.error('Error detecting serial devices:', error)
            return callback(error, []);
        }
    }

    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 devicePath = getSerialPathFromValue(device, this.serialDevices);
        if (!devicePath) {
            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",
            devicePath,
            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, signal) => {
            console.log(`PPP process exited with code: ${code}, signal: ${signal} (isQuitting: ${this.isQuitting}, isManualStop: ${this.isManualStop})`);
            // Don't treat signal-based terminations as unexpected (code 5 is typical for SIGTERM/SIGINT)
            // These usually happen during application shutdown when Ctrl+C is pressed
            const isSignalTermination = signal !== null || code === 5 || code === 2;
            if (!this.isQuitting && !this.isManualStop && !isSignalTermination) {
                this.isConnected = false;
                this.setSettings();
            }
            this.pppProcess = null; // reset the process reference
            this.isManualStop = false; // reset flag for next connection
        });
        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...');
            // Set flag to prevent the close event handler from updating state
            this.isManualStop = true;
            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)) {
                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 { spawn, execSync } = require('child_process');	3✔
9	const { detectSerialDevices, getSerialPathFromValue } = require('./serialDetection.js')	3✔
10
11	class PPPConnection {
12	constructor(settings) {
13	this.settings = settings	39✔
14	this.isConnected = this.settings.value('ppp.enabled', false);	39✔
15	this.pppProcess = null;	39✔
16	this.device = this.settings.value('ppp.uart', null);	39✔
17	this.baudRate = this.settings.value('ppp.baud', 921600)	39✔
18	this.localIP = this.settings.value('ppp.localIP', '192.168.144.14'); // default local IP	39✔
19	this.remoteIP = this.settings.value('ppp.remoteIP', '192.168.144.15'); // default remote IP	39✔
20	this.baudRates = [	39✔
21	{ value: 115200, label: '115200' },
22	{ value: 230400, label: '230400' },
23	{ value: 460800, label: '460800' },
24	{ value: 921600, label: '921600' },
25	{ value: 1500000, label: '1.5 MBaud' },
26	{ value: 2000000, label: '2 MBaud' },
27	{ value: 12500000, label: '12.5 MBaud' }];
28	this.serialDevices = [];	39✔
29	this.badbaudRate = false; // flag to indicate if the baud rate is not supported	39✔
30	this.prevdata = null; // previous data for comparison	39✔
31	this.isQuitting = false;	39✔
32	this.isManualStop = false; // flag to distinguish manual stop from process crash	39✔
33
34	if (this.isConnected) {	39✔
35	// populate serial devices list and start PPP connection
36	this.getDevices((err, devices) => {	3✔
37	this.devices = devices;	3✔
38	const attemptPPPStart = () => {	3✔
39	this.startPPP(this.device, this.baudRate, this.localIP, this.remoteIP, (err, result) => {	6✔
40	if (err) {	6!
41	if (err.message.includes('already connected')) {	6✔
42	console.log('PPP connection is already established. Retrying in 1 second...');	3✔
43	this.isConnected = false;	3✔
44	this.setSettings();	3✔
45	setTimeout(attemptPPPStart, 1000); // Retry after 1 second	3✔
46	} else {
47	console.error('Error starting PPP connection:', err);	3✔
48	this.isConnected = false;	3✔
49	this.setSettings();	3✔
50	}
51	} else {
NEW 52	console.log('PPP connection started successfully');	×
53	}
54	});
55	};
56
57	attemptPPPStart();	3✔
58	});
59	}
60	}
61
62	setSettings() {
63	this.settings.setValue('ppp.uart', this.device);	9✔
64	this.settings.setValue('ppp.baud', this.baudRate);	9✔
65	this.settings.setValue('ppp.localIP', this.localIP);	9✔
66	this.settings.setValue('ppp.remoteIP', this.remoteIP);	9✔
67	this.settings.setValue('ppp.enabled', this.isConnected);	9✔
68	}
69
70	quitting() {
71	// stop the PPP connection if rpanion is quitting
72	this.isQuitting = true;	6✔
73	if (this.pppProcess) {	6!
74	console.log('Stopping PPP connection on quit...');	×
75	// Remove all event listeners to prevent close handler from firing
NEW 76	this.pppProcess.removeAllListeners();	×
77	this.pppProcess.kill();	×
NEW 78	this.pppProcess = null;	×
79	try {	×
80	execSync('sudo pkill -SIGTERM pppd && sleep 1');	×
81	} catch (error) {
82	console.error('Error stopping PPP connection on shutdown:', error);	×
83	}
84	}
85	}
86
87	async getDevices (callback) {
88	// get all serial devices using hardwareDetection module
89	try {	6✔
90	this.serialDevices = await detectSerialDevices()	6✔
91	return callback(null, this.serialDevices);	6✔
92	} catch (error) {
NEW 93	console.error('Error detecting serial devices:', error)	×
NEW 94	return callback(error, []);	×
95	}
96	}
97
98	startPPP(device, baudRate, localIP, remoteIP, callback) {
99	this.badbaudRate = false;	15✔
100	if (this.isConnected) {	15✔
101	return callback(new Error('PPP is already connected'), {	6✔
102	selDevice: this.device,
103	selBaudRate: this.baudRate,
104	localIP: this.localIP,
105	remoteIP: this.remoteIP,
106	enabled: this.isConnected,
107	baudRates: this.baudRates,
108	serialDevices: this.serialDevices,
109	});
110	}
111	if (!device) {	9✔
112	return callback(new Error('Device is required'), {	3✔
113	selDevice: this.device,
114	selBaudRate: this.baudRate,
115	localIP: this.localIP,
116	remoteIP: this.remoteIP,
117	enabled: this.isConnected,
118	baudRates: this.baudRates,
119	serialDevices: this.serialDevices,
120	});
121	}
122	if (this.pppProcess) {	6!
123	return callback(new Error('PPP still running. Please wait for it to finish.'), {	×
124	selDevice: this.device,
125	selBaudRate: this.baudRate,
126	localIP: this.localIP,
127	remoteIP: this.remoteIP,
128	enabled: this.isConnected,
129	baudRates: this.baudRates,
130	serialDevices: this.serialDevices,
131	});
132	}
133
134	//ensure device string is valid in the serialdevices list
135	const devicePath = getSerialPathFromValue(device, this.serialDevices);	6✔
136	if (!devicePath) {	6!
137	return callback(new Error('Invalid device selected'), {	6✔
138	selDevice: this.device,
139	selBaudRate: this.baudRate,
140	localIP: this.localIP,
141	remoteIP: this.remoteIP,
142	enabled: this.isConnected,
143	baudRates: this.baudRates,
144	serialDevices: this.serialDevices,
145	});
146	}
147
148	this.device = device;	×
149	this.baudRate = baudRate;	×
150	this.localIP = localIP;	×
151	this.remoteIP = remoteIP;	×
152
153	const args = [	×
154	"pppd",
155	devicePath,
156	this.baudRate, // baud rate
157	//'persist', // enables faster termination
158	//'holdoff', '1', // minimum delay of 1 second between connection attempts
159	this.localIP + ':' + this.remoteIP, // local and remote IPs
160	'local',
161	'noauth',
162	//'debug',
163	'crtscts',
164	'nodetach',
165	'ktune'
166	];
167	// if running in dev env, need to preload sudo login
168	if (process.env.NODE_ENV === 'development') {	×
169	execSync('sudo -v');	×
170	}
171	console.log(`Starting PPP with args: ${args.join(' ')}`);	×
172	this.pppProcess = spawn('sudo', args, {	×
173	//detached: true,
174	stdio: ['ignore', 'pipe', 'pipe'] // or 'ignore' for all three to fully detach
175	});
176	this.pppProcess.stdout.on('data', (data) => {	×
177	console.log("PPP Output: ", data.toString().trim());	×
178	// Check for non support baud rates "speed <baud> not supported"
179	if (data.toString().includes('speed') && data.toString().includes('not supported')) {	×
180	this.pppProcess.kill();	×
181	this.pppProcess = null; // reset the process reference	×
182	this.isConnected = false;	×
183	this.badbaudRate = true;	×
184	}
185	});
186	this.pppProcess.stderr.on('data', (data) => {	×
187	console.log("PPP Error: ", data.toString().trim());	×
188	});
NEW 189	this.pppProcess.on('close', (code, signal) => {	×
NEW 190	console.log(`PPP process exited with code: ${code}, signal: ${signal} (isQuitting: ${this.isQuitting}, isManualStop: ${this.isManualStop})`);	×
191	// Don't treat signal-based terminations as unexpected (code 5 is typical for SIGTERM/SIGINT)
192	// These usually happen during application shutdown when Ctrl+C is pressed
NEW 193	const isSignalTermination = signal !== null \|\| code === 5 \|\| code === 2;	×
NEW 194	if (!this.isQuitting && !this.isManualStop && !isSignalTermination) {	×
NEW 195	this.isConnected = false;	×
NEW 196	this.setSettings();	×
197	}
198	this.pppProcess = null; // reset the process reference	×
NEW 199	this.isManualStop = false; // reset flag for next connection	×
200	});
201	this.isConnected = true;	×
202	this.setSettings();	×
203	return callback(null, {	×
204	selDevice: this.device,
205	selBaudRate: this.baudRate,
206	localIP: this.localIP,
207	remoteIP: this.remoteIP,
208	enabled: this.isConnected,
209	baudRates: this.baudRates,
210	serialDevices: this.serialDevices,
211	});
212	}
213
214	stopPPP(callback) {
215	if (!this.isConnected) {	6✔
216	return callback(new Error('PPP is not connected'), {	3✔
217	selDevice: this.device,
218	selBaudRate: this.baudRate,
219	localIP: this.localIP,
220	remoteIP: this.remoteIP,
221	enabled: this.isConnected,
222	baudRates: this.baudRates,
223	serialDevices: this.serialDevices,
224	});
225	}
226	if (this.pppProcess) {	3!
227	// Gracefully kill the PPP process
228	console.log('Stopping PPP connection...');	×
229	// Set flag to prevent the close event handler from updating state
NEW 230	this.isManualStop = true;	×
231	this.pppProcess.kill();	×
232	execSync('sudo pkill -SIGTERM pppd');	×
233	this.isConnected = false;	×
234	this.setSettings();	×
235	}
236	return callback(null, {	3✔
237	selDevice: this.device,
238	selBaudRate: this.baudRate,
239	localIP: this.localIP,
240	remoteIP: this.remoteIP,
241	enabled: this.isConnected,
242	baudRates: this.baudRates,
243	serialDevices: this.serialDevices,
244	});
245	}
246
247	getPPPdatarate(callback) {
248	if (!this.isConnected) {	×
249	return callback(new Error('PPP is not connected'));	×
250	}
251	// get current data transfer stats for connected PPP session
252	return new Promise((resolve, reject) => {	×
253	exec('ifconfig ppp0', (error, stdout, stderr) => {	×
254	if (error) {	×
255	reject(`Error getting PPP data rate: ${stderr}`);	×
256	} else {
257	// match format RX packets 110580 bytes 132651067 (132.6 MB)
258	const match = stdout.match(/RX packets \d+ bytes (\d+) \(\d+\.\d+ MB\).*TX packets \d+ bytes (\d+) \(\d+\.\d+ MB\)/);	×
259	if (match) {	×
260	const rxBytes = parseInt(match[1], 10);	×
261	const txBytes = parseInt(match[5], 10);	×
262	resolve({ rxBytes, txBytes });	×
263	} else {
264	reject('Could not parse PPP data rate');	×
265	}
266	}
267	});
268	});
269	}
270
271	getPPPSettings(callback) {
272	this.getDevices((err, devices) => {	×
273	if (err) {	×
274	console.error('Error fetching serial devices:', err);	×
275	return callback(err, {	×
276	selDevice: null,
277	selBaudRate: this.baudRate,
278	localIP: this.localIP,
279	remoteIP: this.remoteIP,
280	enabled: this.isConnected,
281	baudRates: this.baudRates,
282	serialDevices: [],
283	});
284	}
285
286	this.serialDevices = devices;	×
287
288	// Set default device if not already set
289	if (!this.device && this.serialDevices.length > 0) {	×
290	this.device = this.serialDevices[0].value;	×
291	}
292
293	// if this.device is not in the list, set it to first available device
NEW 294	if (this.device && !this.serialDevices.some(d => d.value === this.device)) {	×
295	this.device = this.serialDevices[0].value;	×
296	}
297
298	// Always return callback
299	return callback(null, {	×
300	selDevice: this.device,
301	selBaudRate: this.baudRate,
302	localIP: this.localIP,
303	remoteIP: this.remoteIP,
304	enabled: this.isConnected,
305	baudRates: this.baudRates,
306	serialDevices: this.serialDevices,
307	});
308	});
309	}
310
311	// uses ifconfig to get the PPP connection datarate
312	getPPPDataRate() {
313	if (!this.isConnected) {	×
314	return { rxRate: 0, txRate: 0 };	×
315	}
316	// get current data transfer stats for connected PPP session
317	try {	×
318	let stdout = execSync('ifconfig ppp0 \| grep packets', { encoding: 'utf8' }).toString().trim();	×
319	if (!stdout) {	×
320	return { rxRate: 0, txRate: 0, percentusedRx: 0, percentusedTx: 0 };	×
321	}
322	// match format :
323	// RX packets 0 bytes 0 (0.0 B)
324	// TX packets 118 bytes 12232 (12.2 KB)
325	const [ , matchRX, matchTX ] = stdout.match(/RX\s+packets\s+\d+\s+bytes\s+(\d+).*TX\s+packets\s+\d+\s+bytes\s+(\d+)/s);	×
326	if (matchRX && matchTX) {	×
327	const rxBytes = parseInt(matchRX);	×
328	const txBytes = parseInt(matchTX);	×
329	// calculate the data rate in bytes per second
330	if (this.prevdata) {	×
331	const elapsed = Date.now() - this.prevdata.timestamp; // in milliseconds	×
332	const rxRate = (rxBytes - this.prevdata.rxBytes) / (elapsed / 1000); // bytes per second	×
333	const txRate = (txBytes - this.prevdata.txBytes) / (elapsed / 1000); // bytes per second	×
334	const percentusedRx = rxRate / (this.baudRate / 8); // percent of baud rate used	×
335	const percentusedTx = txRate / (this.baudRate / 8); // percent of baud rate used	×
336	this.prevdata = { rxBytes, txBytes, timestamp: Date.now() };	×
337	return { rxRate, txRate, percentusedRx, percentusedTx };	×
338	}
339	this.prevdata = { rxBytes, txBytes, timestamp: Date.now() };	×
340	return { rxRate: 0, txRate: 0, percentusedRx: 0, percentusedTx: 0 };	×
341	} else {
342	return { rxRate: 0, txRate: 0, percentusedRx: 0, percentusedTx: 0};	×
343	}
344	} catch (error) {
345	console.error('Error getting PPP data rate:', error.message);	×
346	return { rxRate: 0, txRate: 0, percentusedRx: 0, percentusedTx: 0 };	×
347	}
348	}
349
350	// Returns a string representation of the PPP connection status for use by socket.io
351	conStatusStr () {
352	//format the connection status string
353	if (this.badbaudRate) {	×
354	return 'Disconnected (Baud rate not supported)';	×
355	}
356	if (!this.isConnected) {	×
357	return 'Disconnected';	×
358	}
359	if (this.pppProcess && this.pppProcess.pid) {	×
360	//get datarate
361	const { rxRate, txRate, percentusedRx, percentusedTx } = this.getPPPDataRate();	×
362	let status = 'Connected';	×
363	if (this.pppProcess.pid) {	×
364	status += ` (PID: ${this.pppProcess.pid})`;	×
365	}
366	if (rxRate > 0 \|\| txRate > 0) {	×
367	status += `, RX: ${rxRate.toFixed(2)} B/s (${(percentusedRx * 100).toFixed(2)}%), TX: ${txRate.toFixed(2)} B/s (${(percentusedTx * 100).toFixed(2)}%)`;	×
368	} else {
369	status += ', No data transfer';	×
370	}
371	return status;	×
372	}
373	else {
374	return 'Disconnected';	×
375	}
376	}
377	}
378
379
380	module.exports = PPPConnection;	3✔

stephendade / Rpanion-server / 19630453767

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