Get size of a request

Question

On my system, I receive several request, I wonder if there is a way to get the size of this request (req) received in kbs preferably, to get a sense of how much bandwidth was spent for that shipment.

Answer 1

It is possible to use the module request-Stats

var requestStats = require('request-stats');
var stats = requestStats(server);

stats.on('complete', function (detalhes) {
    var tamanho = detalhes.req.bytes;
});

Note that the variable tamanho will receive the amount of bytes of the request, if you want to present it in Kbytes only need to divide by 1024.

The object detalhes will look like this

{
    ok: true,             //Se a conexão foi fechada corretamente
    time: 0,              // O tempo (em ms) que foi levado para servir a requisição
    req: {
        bytes: 0,         // Quantidade de bytes da requisição
        headers: { ... }, // O headers HTTP da requisição
        method: 'POST',   // O método HTTP usado pelo client
        path: '...'       // O caminho da URL requisitada 
    },
    res  : {
        bytes: 0,         // Quantidade de bytes da resposta
        headers: { ... }, // Os headers da resposta
        status: 200       // O código HTTP da resposta 
    }
}

There is also the header HTTP called Content-Length, however, some customers may not send this header or send it with an untrue value.

If you want to use it, you can get its value from the property headers looking for the key content-length.

var tamanho = req.headers['content-length'];