Connection with dbus_bus_get

[KHOA NGUYEN]

Hello,
 
I am new to D-Bus. In my application, I have one receive and many sends of signals. I do not know if I should open the connection for each receive and  send or one connection should be sufficient for all receive / sends of
a process.
I do it with the following code:
...
DBusConnection *conn;
....
conn = dbus_bus_get(DBUS_BUS_SESSION, &err);
dbus_connection_setup_with_g_main (conn, NULL);....
 
Do you have an idea for this?
Thank you and bests regards
 
Vydaman

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