Adding PROX(Packet pROcessing eXecution engine) VNF to sampleVNF

JIRA: SAMPLEVNF-55

PROX is a DPDK-based application implementing Telco use-cases such as
a simplified BRAS/BNG, light-weight AFTR... It also allows configuring
finer grained network functions like QoS, Routing, load-balancing...

(We are moving PROX version v039 to sampleVNF
https://01.org/intel-data-plane-performance-demonstrators/prox-overview)

Change-Id: Ia3cb02cf0e49ac5596e922c197ff7e010293d033
Signed-off-by: Deepak S <deepak.s@linux.intel.com>

1 files changed, 48 insertions, 0 deletions

diff --git a/VNFs/DPPD-PROX/lua_compat.h b/VNFs/DPPD-PROX/lua_compat.h
new file mode 100644
index 00000000..c8c21225
--- /dev/null
+++ b/VNFs/DPPD-PROX/lua_compat.h
@@ -0,0 +1,48 @@
+/*
+// Copyright (c) 2010-2017 Intel Corporation
+//
+// 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.
+*/
+
+#ifndef _LUA_COMPAT_H_
+#define _LUA_COMPAT_H_
+
+#include <lua.h>
+#include <lauxlib.h>
+#include <lualib.h>
+
+#if LUA_VERSION_NUM < 503
+#include <float.h>
+static int lua_isinteger(lua_State *L, int idx)
+{
+	if (!lua_isnumber(L, idx)) {
+		return -1;
+	}
+
+	double whole = lua_tonumber(L, idx);
+	whole -= lua_tointeger(L, idx);
+	return whole < DBL_EPSILON && whole >= -DBL_EPSILON ;
+}
+#endif
+
+#if LUA_VERSION_NUM < 502
+static int lua_len(lua_State *L, int idx)
+{
+       int len = lua_objlen(L, idx);
+
+       lua_pushnumber(L, len);
+       return len;
+}
+#endif
+
+#endif /* _LUA_COMPAT_H_ */