The http.ClientRequest.connection is an inbuilt application programming interface of class ClientRequest within the HTTP module which is used to get the reference of underlying client request socket.
Syntax:
const request.connection
Parameters: It does not accept any argument as the parameter.
Return Value: It does not return any value.
Example 1: Filename-index.js
// Node.js program to demonstrate the // request.connection method // Importing http module const http = require( 'http' );
// Create an HTTP server const server = http.createServer((req, res) => { res.writeHead(200, { 'Content-Type' : 'text/plain' });
res.end( 'okay' );
}); // Now that server is running server.listen(3000, '127.0.0.1' , () => {
// Make a request
const options = {
port: 3000,
host: '127.0.0.1' ,
headers: {
'Connection' : 'Upgrade' ,
'Upgrade' : 'websocket'
}
};
// Getting client request
const req = http.request(options);
// Getting request socket
// by using connection method
const v = req.connection;
// Display the result
console.log( "request socket :- " + v)
process.exit(0)
}); |
Run the index.js file using the following command:
node index.js
Output:
request socket :- null
Example 2: Filename-index.js
// Node.js program to demonstrate the // request.connection method // Importing http module const http = require( 'http' );
// Create an HTTP server http.createServer((req, res) => { }) .listen(3000, '127.0.0.1' , () => {
// Getting client request
const req = http.request({
port: 3000,
host: '127.0.0.1' ,
});
// Getting request socket
// by using connection method
if (req.connection) {
console.log( "Requested for Connection" )
} else {
console.log( "Not Requested for Connection" )
}
process.exit(0)
}); |
Run the index.js file using the following command:
node index.js
Output:
Not Requested for Connection
Reference: https://nodejs.org/dist/latest-v12.x/docs/api/http.html#http_request_connection