how to use dbus_connection_open

[Wilson Khoo]

I have not work with this interface before. below is the pseudo code of what I did. dbus_connection_open returns a valid g_hConn with no error, however upon executing dbus_bus_reguster I get gerrror = "g_error    {name=0x00914a40 "org.freedesktop.DBus.Error.NoReply" message=0x00915560 "Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken." dummy1=0 ...} . How can I go about implementing dbus to communicate over TCP? 

I have Ubuntu running and have its session.conf changed to listen on both 
 <listen>unix:tmpdir=/tmp</listen>
  <listen>tcp:host=192.168.0.1,port=50000</listen>


#define DEFAULT_TCP_ADDR   "tcp:host=192.168.0.1,port=50000"

main ()
{

g_hConn = dbus_connection_open(DEFAULT_TCP_ADDR,&g_error);
// check for valid g_hConn

ret = dbus_bus_register( g_hConn , &g_error );
// check for valid ret

ret = dbus_bus_request_name (g_hConn,g_app_name, DBUS_NAME_FLAG_REPLACE_EXISTING, &g_error );
// check for valid ret

...
}



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