atmodem: Add support for NW DEACT notifications on slave channel

diff --git a/drivers/atmodem/gprs-context.c b/drivers/atmodem/gprs-context.c
index 9e3f9cb..ae6f06a 100644 (file)
--- a/drivers/atmodem/gprs-context.c
+++ b/drivers/atmodem/gprs-context.c
@@ -268,6 +268,40 @@ static void at_gprs_deactivate_primary(struct ofono_gprs_context *gc,
        g_at_ppp_shutdown(gcd->ppp);
 }
 
+static void cgev_notify(GAtResult *result, gpointer user_data)
+{
+       struct ofono_gprs_context *gc = user_data;
+       struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
+       const char *event;
+       int cid;
+       GAtResultIter iter;
+
+       g_at_result_iter_init(&iter, result);
+
+       if (!g_at_result_iter_next(&iter, "+CGEV:"))
+               return;
+
+       if (!g_at_result_iter_next_unquoted_string(&iter, &event))
+               return;
+
+       if (g_str_has_prefix(event, "NW DEACT") == FALSE)
+               return;
+
+       if (!g_at_result_iter_skip_next(&iter))
+               return;
+
+       if (!g_at_result_iter_next_number(&iter, &cid))
+               return;
+
+       DBG("cid %d", cid);
+
+       if ((unsigned int) cid != gcd->active_context)
+               return;
+
+       if (gcd->state != STATE_IDLE && gcd->ppp)
+               g_at_ppp_shutdown(gcd->ppp);
+}
+
 static int at_gprs_context_probe(struct ofono_gprs_context *gc,
                                        unsigned int vendor, void *data)
 {
@@ -290,6 +324,12 @@ static int at_gprs_context_probe(struct ofono_gprs_context *gc,
 
        ofono_gprs_context_set_data(gc, gcd);
 
+       chat = g_at_chat_get_slave(gcd->chat);
+       if (chat == NULL)
+               return 0;
+
+       g_at_chat_register(chat, "+CGEV:", cgev_notify, FALSE, gc, NULL);
+
        return 0;
 }