zebra: Do not build mlag protobuf support if version 3 is not avail

Older versions of protobuf-c do not support version 3 of the
protocol.  Add a check into the system to see if we have
version 3 available and if so, compile it in.

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
This commit is contained in:
Donald Sharp 2019-12-10 14:06:33 -05:00
parent 14d9bbbe5c
commit fd193241e9
7 changed files with 49 additions and 11 deletions

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@ -1159,6 +1159,7 @@ dnl ##########################################################################
#
# Logic for protobuf support.
#
PROTO3=false
if test "$enable_protobuf" = "yes"; then
# Check for protoc & protoc-c
@ -1173,9 +1174,15 @@ if test "$enable_protobuf" = "yes"; then
PKG_CHECK_MODULES([PROTOBUF_C], [libprotobuf-c >= 0.14],, [
AC_MSG_FAILURE([protobuf requested but libprotobuf-c not found. Install protobuf-c.])
])
AC_CHECK_HEADER([google/protobuf-c/protobuf-c.h], [], [
AC_MSG_FAILURE([protobuf requested but protobuf-c.h not found. Install protobuf-c.])
])
PROTO3=true
AC_CHECK_HEADER([google/protobuf-c/protobuf-c.h],
[AC_CHECK_DECLS(PROTOBUF_C_LABEL_NONE,
AC_DEFINE([HAVE_PROTOBUF_VERSION_3],
[1], [Have Protobuf version 3]),
[PROTO3=false],
[#include <google/protobuf-c/protobuf-c.h>])],
[PROTO3=false && AC_MSG_FAILURE([protobuf requested but protobuf-c.h not found. Install protobuf-c.])])
AC_DEFINE([HAVE_PROTOBUF], [1], [protobuf])
fi
@ -2271,6 +2278,7 @@ AM_CONDITIONAL([SNMP], [test "x$SNMP_METHOD" = "xagentx"])
AM_CONDITIONAL([IRDP], [$IRDP])
AM_CONDITIONAL([FPM], [test "x$enable_fpm" = "xyes"])
AM_CONDITIONAL([HAVE_PROTOBUF], [test "x$enable_protobuf" = "xyes"])
AM_CONDITIONAL([HAVE_PROTOBUF3], [$PROTO3])
dnl daemons
AM_CONDITIONAL([VTYSH], [test "x$VTYSH" = "xvtysh"])
AM_CONDITIONAL([ZEBRA], [test "${enable_zebra}" != "no"])

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@ -1,4 +1,4 @@
if HAVE_PROTOBUF
if HAVE_PROTOBUF3
lib_LTLIBRARIES += mlag/libmlag_pb.la
endif

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@ -41,7 +41,7 @@ man8 += $(MANBUILD)/zebra.8
endif
zebra_zebra_LDADD = lib/libfrr.la $(LIBCAP)
if HAVE_PROTOBUF
if HAVE_PROTOBUF3
zebra_zebra_LDADD += mlag/libmlag_pb.la $(PROTOBUF_C_LIBS)
endif
zebra_zebra_SOURCES = \
@ -137,6 +137,7 @@ noinst_HEADERS += \
zebra/rtadv.h \
zebra/rule_netlink.h \
zebra/zebra_mlag.h \
zebra/zebra_mlag_vty.h \
zebra/zebra_fpm_private.h \
zebra/zebra_l2.h \
zebra/zebra_dplane.h \

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@ -27,6 +27,7 @@
#include "mlag.h"
#include "zebra/zebra_mlag.h"
#include "zebra/zebra_mlag_vty.h"
#include "zebra/zebra_router.h"
#include "zebra/zebra_memory.h"
#include "zebra/zapi_msg.h"
@ -653,7 +654,7 @@ void zebra_mlag_terminate(void)
* ProtoBuf Encoding APIs
*/
#ifdef HAVE_PROTOBUF
#ifdef HAVE_PROTOBUF_VERSION_3
DEFINE_MTYPE_STATIC(ZEBRA, MLAG_PBUF, "ZEBRA MLAG PROTOBUF")

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@ -26,7 +26,7 @@
#include "zclient.h"
#include "zebra/zserv.h"
#ifdef HAVE_PROTOBUF
#ifdef HAVE_PROTOBUF_VERSION_3
#include "mlag/mlag.pb-c.h"
#endif
@ -64,8 +64,6 @@ void zebra_mlag_send_register(void);
void zebra_mlag_send_deregister(void);
void zebra_mlag_handle_process_state(enum zebra_mlag_state state);
void zebra_mlag_process_mlag_data(uint8_t *data, uint32_t len);
int32_t zebra_mlag_test_mlag_internal(const char *none, const char *primary,
const char *secondary);
/*
* ProtoBuffer Api's
@ -74,5 +72,4 @@ int zebra_mlag_protobuf_encode_client_data(struct stream *s,
uint32_t *msg_type);
int zebra_mlag_protobuf_decode_message(struct stream *s, uint8_t *data,
uint32_t len);
void zebra_mlag_vty_init(void);
#endif

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@ -25,7 +25,7 @@
#include "command.h"
#include "zebra_router.h"
#include "zebra_mlag.h"
#include "zebra_mlag_vty.h"
#include "debug.h"
#include "zapi_msg.h"

31
zebra/zebra_mlag_vty.h Normal file
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@ -0,0 +1,31 @@
/* Zebra Mlag vty Code.
* Copyright (C) 2019 Cumulus Networks, Inc.
* Donald Sharp
*
* This file is part of FRR.
*
* FRR 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.
*
* FRR 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 FRR; see the file COPYING. If not, write to the Free
* Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#ifndef __ZEBRA_MLAG_VTY_CODE__
#define __ZEBRA_MLAG_VTY_CODE__
extern int32_t zebra_mlag_test_mlag_internal(const char *none,
const char *primary,
const char *secondary);
extern void zebra_mlag_vty_init(void);
#endif