wantdevice/rendezvousserverdemo

Hmm.. it seems I was wrong about about device — it blocks forever as long
as the sockets are open. (Just checked the code, and have removed the
pause() from my demo.

Looking again at your code, I just realized something… your IP addresses do
not match!

The IP address you use use for the bind side is the local IP address on
the server. You can even omit it to listen on all interfaces - e.g.
tcp://:5556 will cause the server to listen on every network interface on
TCP port 5556.

The IP address you use for connect is the remote IP address.

I’m about 95% certain that this is the problem.

On Wed, Nov 23, 2016 at 12:10 AM, kuncao notifications.com wrote:

your device is exiting main. you need to pause there without exiting.
pause() is a good unix function for this.

I add pause in my c++ code,but it seem to I have to use control +c twice
to shutdown device,without pause(),only once control +c to shutown the
device.
-------------------with pause()test begin --------------------------------
szv1000082629:/home/nanoprorpc/nanorpc # ./device_server
s1 value is : 0
s2 value is : 1
^CExiting on ^C control c
after nn_device init : -1

afdadf
adfsasdf
wd
ddd
^CExiting on ^C control c
-------------------with pause() test end--------------------------------
afdadf and other letters is to verify the device can be shutdown after
pause()

-------------------without pause() test begin-------------------------
-------szv1000082629:/home/nanoprorpc/nanorpc # ./device_server
s1 value is : 0
s2 value is : 1
^CExiting on ^C control c
after nn_device init : -1

-------------------without pause() test end---------------------------

my code:

void OnExit(int sig)
{
nn_term();//this is added by jackcao at 20161123
// to term the socket s1 s2
//and may term other socket created by nanomsg in this server
std::cerr <<"Exiting on ^C " <<"control c" <}

int main(int argc, char *argv[])
{
signal(SIGINT, OnExit);
int s1 = nn_socket (AF_SP_RAW, NN_REP);
std::cerr <<"s1 value is : " <nn_bind (s1, "tcp://10.120.229.120:5555");
int s2 = nn_socket (AF_SP_RAW, NN_REQ);
std::cerr <<"s2 value is : " <nn_bind (s2, "tcp://10.120.229.120:5556");
int sd=nn_device (s1, s2);

std::cerr <<"after nn_device init : " <//pause();
return 0;
}

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