socket.on('joinRoom', function(userDetails){

  clientInfo[socket.id] = userDetails; //variable contains name and room joined.
  socket.join(userDetails.room);
}

function kickUser(socket){

  socket.leave(clientInfo[socket.id].room);
  delete clientInfo[socket.id];

}

function kickUser(socket){

  var info = clientInfo[socket.id];

  if (typeof info == 'undefined'){
    return;
  }

   Object.keys(clientInfo).forEach(function(socketId){
     if(info.room == clientInfo[socketId].room) {
        if (info.name != clientInfo[socketId].name){
          socket.leave(clientInfo[socketId].room);
          delete clientInfo[socketId];
        }
      }
   });
}

socket.on('connect', function {
    socket.send(JSON.stringify{do: "introduce", name: "User1", room: "dasRoom"})
})