supervision: Add supervision and supervisor

Signed-off-by: José Bollo <jose.bollo@iot.bzh>

1 files changed, 48 insertions, 0 deletions

diff --git a/src/afs-supervision.h b/src/afs-supervision.h
new file mode 100644
index 00000000..d33b04d3
--- /dev/null
+++ b/src/afs-supervision.h
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2016, 2017 "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.
+ */
+
+#pragma once
+
+/*
+ * CAUTION!
+ * the default setting uses an abstract socket path
+ * be aware that this setting doesn't allow to enforce
+ * DAC for accessing the socket and then would allow
+ * anyone to create a such socket and usurpate the
+ * supervisor.
+ */
+#if !defined(AFS_SURPERVISION_SOCKET)
+#  define AFS_SURPERVISION_SOCKET "@urn:AGL:afs:supervision:socket" /* abstract */
+#endif
+
+/*
+ * generated using
+ * uuid -v 5 ns:URL urn:AGL:afs:supervision:interface:1
+ */
+#define AFS_SURPERVISION_INTERFACE_1 "86040e8d-eee5-5900-a129-3edb8da3ed46"
+
+
+/**
+ * packet initialy sent by monitor at start
+ */
+struct afs_supervision_initiator
+{
+	char interface[37];	/**< zero terminated interface uuid */
+	char extra[27];		/**< zero terminated extra computed here to be 64-37 */
+};
+
+#define AFS_SURPERVISION_APINAME "$"