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première iteration du buzzer-manager

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This commit is contained in:
Laurent 2024-10-02 20:34:53 +00:00
parent 9a47dc6633
commit fe7001effc
4 changed files with 825 additions and 0 deletions
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181
services/buzzer-manager.js Normal file
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// Import necessary modules
const mqtt = require('mqtt');
// MQTT broker configuration
const brokerUrl = 'mqtt://localhost'; // Broker URL (change if needed)
const clientId = 'buzzer_manager';
const options = {
clientId,
clean: true
};
// State variables
let buzzerActive = false; // Indicates if buzzers are blocked
let buzzerThatPressed = null; // Stores the ID of the buzzer that pressed first
let tiltBuzzers = new Set(); // List of buzzer IDs currently in "tilt" mode
// Connect to the MQTT broker
const client = mqtt.connect(brokerUrl, options);
client.on('connect', () => {
console.log(`[INFO] Connected to MQTT broker ${brokerUrl} with ID ${clientId}`);
// Subscribe to topics related to buzzer presses, unlocking, and tilt management
client.subscribe('brainblast/buzzer/pressed/#', (err) => {
if (err) console.error('[ERROR] Failed to subscribe to buzzer presses');
else console.log('[INFO] Successfully subscribed to buzzer presses');
});
client.subscribe('brainblast/buzzer/unlock', (err) => {
if (err) console.error('[ERROR] Failed to subscribe to buzzer unlock');
else console.log('[INFO] Successfully subscribed to buzzer unlock');
});
client.subscribe('brainblast/buzzer/tilt', (err) => {
if (err) console.error('[ERROR] Failed to subscribe to tilt management');
else console.log('[INFO] Successfully subscribed to tilt management');
});
});
// Validate buzzer payload
function validateBuzzerPayload(payload) {
const { buzzer_id, color } = payload;
// Validate buzzer ID (should be a positive integer)
if (typeof buzzer_id !== 'number' || buzzer_id <= 0) {
console.error(`[ERROR] Invalid buzzer ID: ${buzzer_id}`);
return false;
}
// Validate color (should be in the format #RRGGBB)
const validColor = /^#[0-9A-F]{6}$/i.test(color);
if (!validColor) {
console.error(`[ERROR] Invalid color: ${color}`);
return false;
}
return true;
}
// Handle incoming messages
client.on('message', (topic, message) => {
let payload;
// Parse the incoming message
try {
payload = JSON.parse(message.toString());
} catch (e) {
console.error(`[ERROR] Invalid JSON message received on topic ${topic}: ${message.toString()}`);
return;
}
// Manage tilt mode for buzzers
if (topic === 'brainblast/buzzer/tilt') {
const { buzzer_id, status } = payload;
if (typeof buzzer_id !== 'number' || !['add', 'remove'].includes(status)) {
console.error('[ERROR] Invalid tilt payload, message ignored.');
return;
}
if (status === 'add') {
tiltBuzzers.add(buzzer_id);
console.log(`[INFO] Buzzer ID ${buzzer_id} added to tilt mode`);
} else if (status === 'remove') {
tiltBuzzers.delete(buzzer_id);
console.log(`[INFO] Buzzer ID ${buzzer_id} removed from tilt mode`);
}
return;
}
// Detect a buzzer press
if (topic.startsWith('brainblast/buzzer/pressed/')) {
// Validate buzzer payload
if (!validateBuzzerPayload(payload)) {
console.error('[ERROR] Invalid buzzer payload, message ignored.');
return;
}
const buzzerId = payload.buzzer_id; // Unique buzzer ID
const color = payload.color; // Associated hex color
// Ignore if the buzzer is in tilt mode
if (tiltBuzzers.has(buzzerId)) {
console.log(`[INFO] Buzzer ID ${buzzerId} ignored (Tilt mode active)`);
return;
}
// Notify activity even if buzzers are blocked
client.publish('brainblast/buzzer/activity', JSON.stringify({
buzzer_id: buzzerId,
color: color,
status: buzzerActive ? "blocked" : "free",
message: `Activity detected on buzzer ID ${buzzerId} (Color: ${color})`,
timestamp: new Date().toISOString()
}));
// Confirm buzzer press receipt
client.publish(`brainblast/buzzer/confirmation/${buzzerId}`, JSON.stringify({
status: "received",
buzzer_id: buzzerId,
message: `Buzzer ID ${buzzerId} activated with color ${color}`,
timestamp: new Date().toISOString()
}));
if (!buzzerActive) {
// Block further buzzers and record the first pressed ID
buzzerActive = true;
buzzerThatPressed = buzzerId;
console.log(`[INFO] Buzzer activated by ID: ${buzzerId} (Color: ${color})`);
// Notify the light manager to change to the team's color
client.publish('brainblast/light/change', JSON.stringify({
color: color,
effect: 'full_color'
}));
// Notify all components of buzzer blocking
client.publish('brainblast/buzzer/status', JSON.stringify({
status: "blocked",
buzzer_id: buzzerId,
color: color,
message: `Buzzer activated by ID ${buzzerId} (Color: ${color})`,
timestamp: new Date().toISOString()
}));
console.log(`[INFO] Buzzers blocked and notification sent`);
}
}
// Unlock buzzers
if (topic === 'brainblast/buzzer/unlock') {
console.log('[INFO] Buzzer unlock requested');
// Confirm receipt of unlock command
client.publish('brainblast/buzzer/unlock/confirmation', JSON.stringify({
status: "received",
message: "Buzzer unlock command received.",
timestamp: new Date().toISOString()
}));
// Reset buzzer manager state
buzzerActive = false;
buzzerThatPressed = null;
// Notify all components of buzzer unlock
client.publish('brainblast/buzzer/status', JSON.stringify({
status: "unblocked",
message: "Buzzers unblocked and ready for activation.",
timestamp: new Date().toISOString()
}));
console.log('[INFO] Buzzers unblocked and notification sent');
}
});
client.on('error', (err) => {
console.error(`[ERROR] Error connecting to broker: ${err}`);
});
console.log('[INFO] Buzzer manager started...');

497
services/package-lock.json generated Normal file
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5
services/package.json Normal file
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@ -0,0 +1,5 @@
{
"dependencies": {
"mqtt": "^5.10.1"
}
}

142
services/test-buzzer-manager.js Normal file
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@ -0,0 +1,142 @@
// Import necessary modules
const mqtt = require('mqtt');
// MQTT broker configuration
const brokerUrl = 'mqtt://localhost'; // Broker URL (change if needed)
const options = {
clientId: 'test_buzzer_manager',
clean: true
};
// Set up MQTT client
const client = mqtt.connect(brokerUrl, options);
// Variables for tracking test results
let testResults = {
buzzerActivity: false,
confirmationReceived: false,
statusBlocked: false,
statusUnblocked: false,
tiltAdded: false,
tiltIgnored: false,
tiltRemoved: false,
unlockConfirmation: false
};
// Subscribe to topics to capture the responses from the buzzer manager
client.on('connect', () => {
console.log('[INFO] Connected to MQTT broker for testing');
// Subscribe to all topics related to the buzzer manager
client.subscribe('brainblast/buzzer/#', (err) => {
if (err) console.error('[ERROR] Failed to subscribe to topics for testing');
else console.log('[INFO] Subscribed to topics successfully');
});
// Run the test sequence after a short delay
setTimeout(runTestSequence, 500);
});
// Capture and process incoming MQTT messages
client.on('message', (topic, message) => {
const payload = JSON.parse(message.toString());
console.log(`[INFO] Message received on ${topic}: ${message.toString()}`);
// Track the test results based on the topics and payloads
if (topic.startsWith('brainblast/buzzer/activity') && payload.buzzer_id === 1) {
testResults.buzzerActivity = true;
}
if (topic.startsWith(`brainblast/buzzer/confirmation/1`) && payload.status === "received") {
testResults.confirmationReceived = true;
}
if (topic === 'brainblast/buzzer/status' && payload.status === "blocked") {
testResults.statusBlocked = true;
}
if (topic === 'brainblast/buzzer/status' && payload.status === "unblocked") {
testResults.statusUnblocked = true;
}
if (topic === 'brainblast/buzzer/unlock/confirmation' && payload.status === "received") {
testResults.unlockConfirmation = true;
}
if (topic === 'brainblast/buzzer/activity' && payload.buzzer_id === 2 && payload.status === "blocked") {
testResults.tiltIgnored = true;
}
if (topic.startsWith('brainblast/buzzer/status') && payload.message.includes('Tilt removed')) {
testResults.tiltRemoved = true;
}
});
// Function to run the complete test sequence
function runTestSequence() {
console.log('[INFO] Starting test sequence...');
// 1. Simulate a buzzer press (buzzer 1, color red)
console.log('[TEST] Simulating buzzer press (ID 1, color #FF0000)...');
client.publish('brainblast/buzzer/pressed/1', JSON.stringify({
buzzer_id: 1,
color: "#FF0000"
}));
// 2. Simulate a second buzzer press (buzzer 2, color blue) to check blocking
setTimeout(() => {
console.log('[TEST] Simulating second buzzer press (ID 2, color #0000FF)...');
client.publish('brainblast/buzzer/pressed/2', JSON.stringify({
buzzer_id: 2,
color: "#0000FF"
}));
}, 1000);
// 3. Simulate adding a buzzer to tilt mode (buzzer 2)
setTimeout(() => {
console.log('[TEST] Adding buzzer ID 2 to tilt mode...');
client.publish('brainblast/buzzer/tilt', JSON.stringify({
buzzer_id: 2,
status: "add"
}));
testResults.tiltAdded = true;
}, 1500);
// 4. Simulate pressing a buzzer in tilt mode (should be ignored)
setTimeout(() => {
console.log('[TEST] Simulating tilt buzzer press (ID 2, color #0000FF)...');
client.publish('brainblast/buzzer/pressed/2', JSON.stringify({
buzzer_id: 2,
color: "#0000FF"
}));
}, 2000);
// 5. Remove tilt mode from buzzer 2
setTimeout(() => {
console.log('[TEST] Removing tilt mode for buzzer ID 2...');
client.publish('brainblast/buzzer/tilt', JSON.stringify({
buzzer_id: 2,
status: "remove"
}));
}, 2500);
// 6. Unlock buzzers to reset state
setTimeout(() => {
console.log('[TEST] Unlocking buzzers...');
client.publish('brainblast/buzzer/unlock', '{}');
}, 3000);
// 7. Display results
setTimeout(() => {
console.log('[INFO] Test sequence complete. Results:');
console.log(`1. Buzzer activity detected for buzzer 1: ${testResults.buzzerActivity ? 'PASSED' : 'FAILED'}`);
console.log(`2. Confirmation received for buzzer 1: ${testResults.confirmationReceived ? 'PASSED' : 'FAILED'}`);
console.log(`3. Buzzer 1 status set to "blocked": ${testResults.statusBlocked ? 'PASSED' : 'FAILED'}`);
console.log(`4. Buzzer status set to "unblocked": ${testResults.statusUnblocked ? 'PASSED' : 'FAILED'}`);
console.log(`5. Tilt mode added for buzzer 2: ${testResults.tiltAdded ? 'PASSED' : 'FAILED'}`);
console.log(`6. Tilted buzzer press ignored: ${testResults.tiltIgnored ? 'PASSED' : 'FAILED'}`);
console.log(`7. Tilt mode removed for buzzer 2: ${testResults.tiltRemoved ? 'PASSED' : 'FAILED'}`);
console.log(`8. Unlock confirmation received: ${testResults.unlockConfirmation ? 'PASSED' : 'FAILED'}`);
client.end(); // End the MQTT connection
}, 4000);
}