I think that's because of readstream reaching EOF. I don't know if
you can avoid this. One way could be knowing and having the size
updated for you and pausing readstream to avoid reaching EOF.
Not sure if it's feasible.. :)
---
Diogo R.
On Thu, 2 Feb 2012 02:30:07 -0800 (PST), 宓俊 wrote:
I want the user to be able to download a file while it is uploading.
So I write this code to test.
var fs = require('fs');
var writeStream = fs.createWriteStream(__dirname +
"/uploading.txt");
writeStream.on('open', function(){
console.log('Write stream has open');
//Write a number every 1 second.
var i = 1;
var repeat = function(){
writeStream.write(i);
console.log('Number ' + i + ' has been write to the file');
i = i + 1;
setTimeout(repeat, 1000);
};
repeat();
var readStream = fs.ReadStream(__dirname + "/uploading.txt");
readStream.on('data', function(data){
console.log('Data is coming: ' + data);
});
readStream.on('end', function(){
console.log('Stream END');
});
});
But the result is like this
Write stream has open
Number 1 has been write to the file
Data is coming: 1
Stream END
Number 2 has been write to the file
Number 3 has been write to the file
Number 4 has been write to the file
When the reading speed is faster than the writing speed, I will
receive a 'end' signal, rather than paused.
So how to deal with this problem?
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