fpm: Add protobuf support for FPM.

Code that allows a client to convey routes to a Forwarding Plane
Manager component using protobuf instead of netlink..

  * fpm/fpm.proto

    Protobuf definitions pertaining to the Forwarding Plane Manager.
    In particular, this file defines the AddRoute and DeleteRoute
    messages.

  * fpm/fpm.h

    Tweak FPM message header definition to also allow messages to be
    encoded in protobuf format.

  * fpm/{fpm_pb.h,.gitignore,.Makefile.am}

    Add the fpm_pb library, which contains code for interfacing with
    the FPM using protobuf.

  * configure.ac

    Generate fpm/Makefile.

  * Makefile.am

    Add fpm subdirectory to build.

  * common.am

    Add flags to be used by clients of the fpm_pb library.

Signed-off-by: Avneesh Sachdev <avneesh@sproute.com>

1 files changed, 63 insertions, 0 deletions

diff --git a/fpm/fpm_pb.h b/fpm/fpm_pb.h
new file mode 100644
index 000000000..8f74ac06e
--- /dev/null
+++ b/fpm/fpm_pb.h
@@ -0,0 +1,63 @@
+/*
+ * fpm_pb.h
+ *
+ * @copyright Copyright (C) 2016 Sproute Networks, Inc.
+ *
+ * @author Avneesh Sachdev <avneesh@sproute.com>
+ *
+ * This file is part of Quagga.
+ *
+ * Quagga is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * Quagga is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Quagga; see the file COPYING.  If not, write to the Free
+ * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ */
+
+/*
+ * Public header file for fpm protobuf definitions.
+ */
+
+#ifndef _FPM_PB_H
+#define _FPM_PB_H
+
+#include "route_types.h"
+#include "qpb/qpb.h"
+
+#include "fpm/fpm.pb-c.h"
+
+/*
+ * fpm__route_key__create
+ */
+#define fpm_route_key_create fpm__route_key__create
+static inline Fpm__RouteKey *
+fpm__route_key__create (qpb_allocator_t *allocator, struct prefix *prefix)
+{
+  Fpm__RouteKey *key;
+
+  key = QPB_ALLOC (allocator, typeof (*key));
+  if (!key)
+    {
+      return NULL;
+    }
+  fpm__route_key__init (key);
+
+  key->prefix = qpb__l3_prefix__create (allocator, prefix);
+  if (!key->prefix)
+    {
+      return NULL;
+    }
+
+  return key;
+}
+
+#endif