how node js connect with mongodb using tcp?

Question

How the tcp connection is established and closed during the database call?

The below code is to get lists of databases in mongodb using mongoclient in nodejs

async function main(){

    const uri = "mongodb+srv://<username>:<password>@<your-cluster-url>/test?retryWrites=true&w=majority";
 

    const client = new MongoClient(uri);
 
    try {
       
        await client.connect();
 
        await  listDatabases(client);

    } catch (e) {
        console.error(e);
    } finally {
        await client.close();
    }
}
main().catch(console.error);

1.Does the "await client.connect()" establish a tcp connection with mongoDb?

2.Does the "await client.close()"close a tcp connection with mongoDb?

3.How does the mongodb and nodejs communicate using tcp ?

Matt · Accepted Answer · 2022-11-14 08:16:38Z

0

node-mongodb-native's .connect() and .close() manage a Topology of Servers that have Monitored Connections communicating via a MessageStream

answered Nov 14, 2022 at 8:16

Matt

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