[英]Check size of node js stream using socket.io-stream
I'm using socket.io-stream to upload a file, I want to know the size of data upload to limit. 我正在使用socket.io-stream上传文件,我想知道要限制的数据上传大小。
This is my server code: 这是我的服务器代码:
ss = require('socket.io-stream'),
SocketIo = require('socket.io'),
path = require('path'),
fs = require('fs');
let io = SocketIo.listen(server);
io.of("/users").on('connection',function(socket){
ss(socket).on('avatar-upload', function(stream, data) {
let filename = path.format({
root: '/',
dir: '/home/user/project/public/upload/',
base: data.name
});
});
// Check data stream size to limit here
})
How can I do it? 我该怎么做?
may be you will get some idea to limit on stream size 也许您会知道一些限制流大小的想法
var blobStream = ss.createBlobReadStream(file);
var size = 0;
blobStream.on('data', function(chunk) {
size += chunk.length;
console.log(Math.floor(size / file.size * 100) + '%');
// -> e.g. '42%'
});
blobStream.pipe(stream);
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