1. Create mongos directory with folders db1, db2, and db3
2. Run mongod --replSet Dist --dbpath mongos/db1 --port 27018
3. Run mongod --replSet Dist --dbpath mongos/db2 --port 27019
4. Run mongod --replSet Dist --dbpath mongos/db3 --port 27020
5. In case replicaSet error or it is not initiliazed

• Run mongosh --port 27018
• Write

rsconfig={_id:"Dist",
members:[
{_id:0, host:"localhost:27018"},
{_id:1, host:"localhost:27019"},
{_id:2, host:"localhost:27020"}
]}

• Run rs.initiate(rsconfig)
• It must be working now!

6. Run rs.status() to make sure it is working well.

Each connection established by the client (frontend), we can generate a random name based on a list of names stored and a sequence of numbers. for example (BigGuy420). Then we set the name of the socket to be this randomly generated name.

client code

//During initilization
randomName = cookies.get() || randomlyGeneratedName()
socket.data.username= randomlyGeneratedName() //BigGuy420

server code

console.log(data.username) // 'BigGuy420'

Steps to follow

client code

1. Check if there is a username exists for the current session
2. If there is not, create a randomName using randomlyGeneratedName() function, and set the name for the current session
3. Set the socket.data.username to be equal to randomName

server code

1. Console.log the socket.data.username like logging the clients connected and disconnected.

Consider writing the project's report/documentation in LaTex instead of a Word document.

• Installed HaProxy on virtual machine
• Create configuration dist.cfg

frontend distFE
	bind *:80
	timeout client 1000s
	mode http
	use_backend distBE

backend distBE
	mode http
	timeout server 1000s
	timeout connect 1000s
	server ws1 https://dist-ws1.herokuapp.com/
	server ws2 https://dist-ws2.herokuapp.com/

• Run in a terminal haproxy -f dist.cfg

• Client code
• Server code
• Load-balancer using NGINX or HAProxy
• Database replication

Same ip, different port numbers

• Publish/Subscriber Architecture using Redis or RabbitMQ

Or consider  pinging of clients to each other

Need to find a way to establish the WebSocket connection between the client and server using the reverse proxy or the load-balancer

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