Create a loop for dbus and pump the loop to process all the dbus messages. This fixes network bringup in loader.

In a normal env, something like GTK processes all the dbus messages
as part of it's main loop.  We don't have anything like that in
loader so we have to turn that crank manually, and enough times to
clear out all the pending messages.

Signed-off-by: David Cantrell <dcantrell@redhat.com>

1 files changed, 16 insertions, 0 deletions

diff --git a/loader/net.c b/loader/net.c
index eef0234c1..4d08d3437 100644
--- a/loader/net.c
+++ b/loader/net.c
@@ -1895,6 +1895,8 @@ int get_connection(iface_t *iface) {
     int count = 0;
     NMClient *client = NULL;
     NMState state;
+    GMainLoop *loop;
+    GMainContext *ctx;
 
     if (iface == NULL) {
         return 1;
@@ -1921,8 +1923,21 @@ int get_connection(iface_t *iface) {
         return 2;
     }
 
+    /* Create a loop for processing dbus signals */
+    loop = g_main_loop_new(NULL, FALSE);
+    ctx = g_main_loop_get_context(loop);
+
+    /* pump the loop until all the messages are clear */
+    while (g_main_context_pending (ctx)) {
+        g_main_context_iteration (ctx, FALSE);
+    }
+
     /* send message and block until a reply or error comes back */
     while (count < 45) {
+        /* pump the loop again to clear the messages */
+        while (g_main_context_pending (ctx)) {
+            g_main_context_iteration (ctx, FALSE);
+        }
         state = nm_client_get_state(client);
 
         if (state == NM_STATE_CONNECTED) {
@@ -1937,6 +1952,7 @@ int get_connection(iface_t *iface) {
         count++;
     }
 
+    g_main_loop_unref(loop);
     g_object_unref(client);
     return 3;
 }