Question

Stream Remote File

Asked by: AzraSound

I'm trying to stream a file located on a remote server to someone visiting my page on my local webserver and forcing a download of that file.  I have implemented something like this, but it's not working.  Anyone know what I'm missing, or if I'm approaching this completely wrong?


//create request for song and return stream of data
HttpWebRequest webReq = (HttpWebRequest)WebRequest.Create("http://remoteserver/file.ext");
HttpWebResponse webResponse = (HttpWebResponse)webReq.GetResponse();
Stream songStream = webResponse.GetResponseStream();

//prepare our response stream
Response.ClearHeaders();
Response.ClearContent();
Response.ContentType = "application/octet-stream";
Response.AddHeader("Content-Disposition", "attachment; filename=file.ext");


byte[] songBuffer = new byte[webResponse.ContentLength];

//write out the returned stream to our own Response stream
songStream.Read(songBuffer, 0, (int)webResponse.ContentLength);
Response.BinaryWrite(songBuffer);

//clean up
songStream.Close();
webResponse.Close();

Response.End();



It seems like it works, except when I issue the songStream.Read command, it's not reading the entire size of the stream into the byte array...not sure why either.

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Asked On
2006-12-19 at 14:27:57ID22098563
Tags

file

,

stream

,

remote

Topic

Programming for ASP.NET

Participating Experts
2
Points
0
Comments
4

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Answers

 

by: AzraSoundPosted on 2006-12-19 at 16:40:32ID: 18170350

Seems like it was due to trying to do a single Read to get all the data in one chunk.  I used the ReadFully method outlined at the following link and it now works:

http://www.yoda.arachsys.com/csharp/readbinary.html

 

by: madhevan_pillaiPosted on 2006-12-19 at 20:48:04ID: 18171395

Hi,

Try this...


 //create request for song and return stream of data
        HttpWebRequest webReq = (HttpWebRequest)WebRequest.Create("http://remoteserver/file.ext");
        HttpWebResponse webResponse = (HttpWebResponse)webReq.GetResponse();
        Stream songStream = webResponse.GetResponseStream();

        //prepare our response stream
        Response.ClearHeaders();
        Response.ClearContent();
        Response.ContentType = "application/octet-stream";
        Response.AddHeader("Content-Disposition", "attachment; filename=file.ext");



        byte[] data= new byte[1024] ;
        int status;
        status=songStream.Read(data,0,1024);
        while (status > 0)
        {
            Response.OutputStream.Write(data,0,status);
            status=songStream.Read(data,0,1024);
        }
       
        songStream.Close();
        webResponse.Close();
        Response.End();


Madhevan

 

by: DarthModPosted on 2006-12-31 at 07:54:20ID: 18221567

PAQd, 375 points refunded.

DarthMod
CS Moderator

20120131-EE-VQP-002

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