Hi, Glad you found solution to your problem. There is no hard limit in the amount of channels but every server implementation is free to enforce an arbitrary limit.
Aris Le 4/04/14 08:48, Joao Pedro Almeida Pereira a écrit : > Hello, > I found out my problem, if i do not poll the socket the call back is > never called...... > Can i have an answer about my first question? > Number of forwarding channels per SSH connection? I would like to > understand if there is a limit of parallel channels? > > BR > > > On 3 April 2014 14:08, Christophe Grosjean > <christophe.grosj...@wallix.com <mailto:christophe.grosj...@wallix.com>> > wrote: > > Yes, you are right, that is what the patch is doing. We had no > problem with callbacks on data reception. > > > ------------------------------------------------------------------------ > *De: *"Joao Pedro Almeida Pereira" <joao.alme...@blue-tc.com > <mailto:joao.alme...@blue-tc.com>> > *À: *"libssh" <libssh@libssh.org <mailto:libssh@libssh.org>> > *Envoyé: *Jeudi 3 Avril 2014 12:22:11 > *Objet: *Re: Questions about channels > > > Hello, > Looked at the patch that is not what i want. > I am not using the server. > What i do is: > 1 - Create a session > 2 - create a forwarding channel > 3 - set the callback > 4 - leave this method > > After that what i need is when a packet arrives to the forwarding > channel, from the server, i want to be awaken to do some work. > > From what i see in the patch it will add callbacks to the server to > act upon an arrival of request of forward tunnel. > > > BR > > > On 3 April 2014 11:48, Christophe Grosjean > <christophe.grosj...@wallix.com > <mailto:christophe.grosj...@wallix.com>> wrote: > > I believe we had the same problem as you a few weeks ago. > Trouble is there is no callback called to manage forwarded-tcpip > (and neither for direct-tcpip). > > Loic Michaux provided a patch to implement missing > ssh_channel_open_request_forwarded_tcpip_callback and > ssh_channel_open_request_direct_tcpip_callback, because they are > not implemented. But it never got to the repository, looks like > it has been lost in the void. If you do not find it in the ML > archive, I can send it back. > > > ------------------------------------------------------------------------ > *De: *"Joao Pedro Almeida Pereira" <joao.alme...@blue-tc.com > <mailto:joao.alme...@blue-tc.com>> > *À: *"libssh" <libssh@libssh.org <mailto:libssh@libssh.org>> > *Envoyé: *Jeudi 3 Avril 2014 10:34:15 > *Objet: *Questions about channels > > > Hello, > I have some questions about the channels and the callbacks. > > 1. How many forwarding channels can i use per SSH Connection? > 2. I am trying to use a callback from libssh to tell me when i > have some data in the forwarding channel. > I tried to use the channel_data_function to directly copy > from the channels connection to another socket that i have, like > in the samplesshd-tty sample. But the call back is not called. i > did the following steps: > > struct ssh_channel_callbacks_struct *channel_cb = new struct > ssh_channel_callbacks_struct(); > channel_cb->channel_data_function = &Connection::copy_chan_to_fd; > channel_cb->userdata = con; > ssh_callbacks_init(channel_cb); > ssh_set_channel_callbacks(forwarding_channel, channel_cb); > > Am I missing something? > I dont want to use polling because i am using libevent to handle > the application, so i dont want to also use the polling system > of libssh. > > BR > -- > ----- > -------- > João Pereira > > Email: joao.alme...@blue-tc.com <mailto:joao.alme...@blue-tc.com> > Web: http://www.bluetc.es <http://www.bluetc.es/> > > > > > -- > -- > ----- > -------- > João Pereira > > Email: joao.alme...@blue-tc.com <mailto:joao.alme...@blue-tc.com> > Web: http://www.bluetc.es <http://www.bluetc.es/> > > > > > -- > -- > ----- > -------- > João Pereira > > Email: joao.alme...@blue-tc.com <mailto:joao.alme...@blue-tc.com> > Web: http://www.bluetc.es <http://www.bluetc.es/>
