Hi mscdex,
Thanks for your reply. Emm, as i want to implement one resumable file upload
system.
I assumed that the server can receive chunk file multi threads, and only do
combined task when
all the chunk files uploaded. I'm using database to track the chunk status. If
I need to upload
a file with 1G size, i cannot do resumable task with simply using write stream.
Or maybe i can
using 'Range' to track the status and send data with range.
On Sunday, June 23, 2013 3:29:52 AM UTC+8, mscdex wrote:
>
> On Saturday, June 22, 2013 9:35:17 AM UTC-4, yu sun wrote:
>
>> I'm working on file uploading and want to chunk upload files to the
>> server, but when i combined the chunked files, the file hash changed(diff
>> from the orignal hash). There might be some mistakes. Please help. thx thx.
>>
>
> Why chunk them manually? Just let the streams worry about chunking and
> just do for the client side:
>
> function putFile(fileStat) {
> var req = createRequest('/testfiles', 'PUT', { 'Content-Length':
> fileStat.fileSize });
> fs.createReadStream(fileStat.filePath).pipe(req);
> }
>
> and for the server side:
>
> exports.put = function(req, res) {
> // assuming getFilePath() returns a sanitized path ...
> var ws = fs.createWriteStream(getFilePath());
>
> ws.on('finish', function() {
> res.status(200);
> res.end('uploaded file');
> });
> req.pipe(ws);
> };
>
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