If that's the case, NetworkStream does not add much value to me.> Date: Fri, 11 May 2007 09:05:52 +0300> From: [EMAIL PROTECTED]> Subject: Re: [ADVANCED-DOTNET] NetworkStream.BeginWrite: Does it write all the requested bytes ??> To: ADVANCED-DOTNET@DISCUSS.DEVELOP.COM> > The docs on Socket.BeginSend are pretty clear:> > "When your application calls BeginSend, the system will use a separate> thread to execute the specified callback method, and will block on> EndSend until the Socket sends the number of bytes requested or throws> an exception."> > In general, no async pattern makes sense if the combination of> EndXxx(BeginXxx) doesn't have the same side effects (at least to you> as a library user) as calling the synchronous Xxx method.> > Cheers,> Stoyan> > On 5/11/07, Tony Hal <[EMAIL PROTECTED]> wrote:> > .NET doc is not clear about this.> > The NetworkStream.EndWrite returns void which seems to indicate that when this call completes, all the requested bytes will have been written to the other end.> >> > Further investigation gave me this data:> > - NetworkStream.BeginWrite simply calls Socket.BeginSend.> > - Socket.BeginSend calls WSASocket with async mode.> > It looks to me then that it's possible that NetworkStream Begin/End Write returns less than requested in that case I'll have to code it such that the rest of the bytes will be sent.> >> > Note: NetworkStream.Write (the sync version) does send the whole things before returning. Internally it calls 'send' with blocking mode. The issue here is the async version.> >> > Could someone tell me the actual behavior of this call ?> > Currently I call NetworkStream.BeginWrite only once and assume the entire bytes will be sent. I need to know if I need to loop it or not.> >> > Thx.> > ===================================> > This list is hosted by DevelopMentor(r) http://www.develop.com> >> > View archives and manage your subscription(s) at http://discuss.develop.com> >> > ===================================> This list is hosted by DevelopMentor® http://www.develop.com> > View archives and manage your subscription(s) at http://discuss.develop.com =================================== This list is hosted by DevelopMentor® http://www.develop.com
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