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basic-data.js
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basic-data.js
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const AWS = require('aws-sdk');
// Configure AWS region (e.g., 'us-west-2')
AWS.config.update({region: 'eu-west-1'});
// Create a Kinesis service object
const kinesis = new AWS.Kinesis({apiVersion: '2013-12-02'});
const streamName = 'KinesisIngressStream';
// Function to send message to Kinesis
const sendMessageToKinesis = async (userLocationData) => {
const params = {
Data: JSON.stringify(userLocationData), // Assuming message is an object
PartitionKey: userLocationData.userID,
StreamName: streamName,
};
try {
const data = await kinesis.putRecord(params).promise();
console.log('Successfully sent message:', data);
} catch (err) {
console.error('Error sending message to Kinesis:', err);
}
};
sendMessageToKinesis({ lat: 13.3, lng: 14.33, userID: 'def' });
// Generate random user ID
const generateUserID = () => {
const characters = 'abcdefghijklmnopqrstuvwxyz0123456789';
let userID = '';
for (let i = 0; i < 5; i++) {
const randomIndex = Math.floor(Math.random() * characters.length);
userID += characters[randomIndex];
}
return userID;
};
// Generate random start location
const generateStartLocation = () => {
const latitude = Math.random() * 90;
const longitude = Math.random() * 180;
return { lat: latitude.toFixed(2), lng: longitude.toFixed(2) };
};
// Generate random location with small changes
const generateRandomLocation = (startLocation) => {
const latitudeChange = (Math.random() - 0.5) * 0.0001; // Random change within +/- 0.0001
const longitudeChange = (Math.random() - 0.5) * 0.0001; // Random change within +/- 0.0001
const newLatitude = parseFloat(startLocation.lat) + latitudeChange;
const newLongitude = parseFloat(startLocation.lng) + longitudeChange;
return { lat: newLatitude.toFixed(6), lng: newLongitude.toFixed(6) };
};
// Function to send multiple locations to Kinesis
const sendMultipleLocationsToKinesis = async (startLocation, numLocations) => {
const userID = generateUserID();
console.log(`Sending ${numLocations} locations for user ${userID}`)
const sendingResult = Array.of(numLocations).map(() => {
const location = generateRandomLocation(startLocation);
const message = { lat: location.lat, lng: location.lng, userID: userID };
return sendMessageToKinesis(message);
});
return Promise.all(sendingResult);
};
async function main() {
while (true)
{
for (let i = 0; i < 1000; i++) {
const startLocation = generateStartLocation();
const numberOfLocations = Math.floor(Math.random() * 100) + 100; // Random number between 100 and 200
sendMultipleLocationsToKinesis(startLocation, numberOfLocations);
}
// Wait for 1 second
await new Promise(resolve => setTimeout(resolve, 1000));
}
}
main()