Add offline callbacks

3 files changed, 32 insertions, 1 deletions

diff --git a/src/providers/data_provider_be.c b/src/providers/data_provider_be.c
index 5b67d26f..059a0514 100644
--- a/src/providers/data_provider_be.c
+++ b/src/providers/data_provider_be.c
@@ -167,6 +167,7 @@ void be_mark_offline(struct be_ctx *ctx)
     ctx->offstat.went_offline = time(NULL);
     ctx->offstat.offline = true;
     ctx->run_online_cb = true;
+    be_run_offline_cb(ctx);
 }
 
 static int be_check_online(DBusMessage *message, struct sbus_connection *conn)
diff --git a/src/providers/data_provider_callbacks.c b/src/providers/data_provider_callbacks.c
index 00bc8fd5..55527130 100644
--- a/src/providers/data_provider_callbacks.c
+++ b/src/providers/data_provider_callbacks.c
@@ -180,3 +180,25 @@ void be_run_online_cb(struct be_ctx *be) {
         DEBUG(9, ("Online call back list is empty, nothing to do.\n"));
     }
 }
+
+int be_add_offline_cb(TALLOC_CTX *mem_ctx, struct be_ctx *ctx, be_callback_t cb,
+                      void *pvt, struct be_cb **offline_cb)
+{
+    return be_add_cb(mem_ctx, ctx, cb, pvt, &ctx->offline_cb_list, offline_cb);
+}
+
+void be_run_offline_cb(struct be_ctx *be) {
+    int ret;
+
+    if (be->offline_cb_list) {
+        DEBUG(3, ("Going offline. Running callbacks.\n"));
+
+        ret = be_run_cb(be, be->offline_cb_list);
+        if (ret != EOK) {
+            DEBUG(1, ("be_run_cb failed.\n"));
+        }
+
+    } else {
+        DEBUG(9, ("Offline call back list is empty, nothing to do.\n"));
+    }
+}
diff --git a/src/providers/dp_backend.h b/src/providers/dp_backend.h
index 43d79ba2..fc5e558c 100644
--- a/src/providers/dp_backend.h
+++ b/src/providers/dp_backend.h
@@ -95,10 +95,11 @@ struct be_ctx {
     struct be_failover_ctx *be_fo;
 
     /* Functions to be invoked when the
-     * backend goes online
+     * backend goes online or offline
      */
     struct be_cb *online_cb_list;
     bool run_online_cb;
+    struct be_cb *offline_cb_list;
 
     struct be_offline_status offstat;
 
@@ -148,6 +149,13 @@ int be_add_online_cb(TALLOC_CTX *mem_ctx,
                      struct be_cb **online_cb);
 void be_run_online_cb(struct be_ctx *be);
 
+int be_add_offline_cb(TALLOC_CTX *mem_ctx,
+                     struct be_ctx *ctx,
+                     be_callback_t cb,
+                     void *pvt,
+                     struct be_cb **online_cb);
+void be_run_offline_cb(struct be_ctx *be);
+
 /* from data_provider_fo.c */
 typedef void (be_svc_callback_fn_t)(void *, struct fo_server *);