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-rw-r--r--src/afb-common.c89
1 files changed, 89 insertions, 0 deletions
diff --git a/src/afb-common.c b/src/afb-common.c
new file mode 100644
index 00000000..e8fe4b72
--- /dev/null
+++ b/src/afb-common.c
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2015 "IoT.bzh"
+ * Author José Bollo <jose.bollo@iot.bzh>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define _GNU_SOURCE
+
+#include <errno.h>
+#include <systemd/sd-event.h>
+#include <systemd/sd-bus.h>
+
+#include "afb-common.h"
+
+/*
+struct sd_event *afb_common_get_thread_event_loop()
+{
+ sd_event *result;
+ int rc = sd_event_default(&result);
+ if (rc != 0) {
+ errno = -rc;
+ result = NULL;
+ }
+ return result;
+}
+*/
+
+static void *sdopen(void **p, int (*f)(void **))
+{
+ if (*p == NULL) {
+ int rc = f(p);
+ if (rc < 0) {
+ errno = -rc;
+ *p = NULL;
+ }
+ }
+ return *p;
+}
+
+static struct sd_bus *sdbusopen(struct sd_bus **p, int (*f)(struct sd_bus **))
+{
+ if (*p == NULL) {
+ int rc = f(p);
+ if (rc < 0) {
+ errno = -rc;
+ *p = NULL;
+ } else {
+ rc = sd_bus_attach_event(*p, afb_common_get_event_loop(), 0);
+ if (rc < 0) {
+ sd_bus_unref(*p);
+ errno = -rc;
+ *p = NULL;
+ }
+ }
+ }
+ return *p;
+}
+
+struct sd_event *afb_common_get_event_loop()
+{
+ static sd_event *result = NULL;
+ return sdopen((void*)&result, (void*)sd_event_new);
+}
+
+struct sd_bus *afb_common_get_user_bus()
+{
+ static struct sd_bus *result = NULL;
+ return sdbusopen((void*)&result, (void*)sd_bus_open_user);
+}
+
+struct sd_bus *afb_common_get_system_bus()
+{
+ static struct sd_bus *result = NULL;
+ return sdbusopen((void*)&result, (void*)sd_bus_open_system);
+}
+
+
+