Thanks for your quick response, and I'll get back to you after trying your suggestion.
Salem ========================== On Tue, Jun 12, 2012 at 4:39 PM, Nick Mathewson <ni...@freehaven.net> wrote: > On Tue, Jun 12, 2012 at 10:25 AM, Salim Moahmed > <salem.amer.moha...@gmail.com> wrote: > > How can I use the bufferevents to force the read buffer to send its data > > immediately to a write-buffer that will forward its data as it comes to > > another socket? > > If I understand right, then you want to set up two bufferevents on two > sockets, and have all data that is read on one socket written to the > other. > > If that's what you want, the easiest way to do that is to set a read > handler on the first bufferevent, and in that read handler use > evbuffer_add_buffer() to move all data from the first bufferevent's > input evbuffer into the second's output buffer. > > If this is going to get used in production, you will need to do > something to solve the problem where the first socket can read faster > than the second can write. The easiest way to do that is by using the > "watermarks" feature so that the reading buffer does not grow above a > certain size, and changing the read callback so that it does not move > data to the output buffer if the output buffer is too full. If you do > that, you will need some way (like a write callback on the output > bufferevent) to notice that the output buffer is no longer too full, > and then to drain data from the input buffer. > > hth, > -- > Nick > *********************************************************************** > To unsubscribe, send an e-mail to majord...@freehaven.net with > unsubscribe libevent-users in the body. > -- With the name of Allah the Beneficent the Merciful I began and finish, Salem Mohamed
