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, 38 insertions, 0 deletions

diff --git a/VNFs/DPPD-PROX/tools/flow_extract/allocator.hpp b/VNFs/DPPD-PROX/tools/flow_extract/allocator.hpp
new file mode 100644
index 00000000..d3f1537e
--- /dev/null
+++ b/VNFs/DPPD-PROX/tools/flow_extract/allocator.hpp
@@ -0,0 +1,38 @@
+/*
+// 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 _ALLOCATOR_H_
+#define _ALLOCATOR_H_
+
+#include <cstddef>
+#include <inttypes.h>
+
+class Allocator {
+public:
+	Allocator(size_t size, size_t lowThreshold);
+	~Allocator();
+	bool lowThresholdReached() const;
+	void *alloc(size_t size);
+	void reset();
+	size_t getFreeSize() const;
+private:
+	size_t  m_size;
+	size_t  m_threshold;
+	size_t  m_alloc_offset;
+	uint8_t *m_mem;
+};
+
+#endif /* _ALLOCATOR_H_ */