phv_source.h

/* Copyright 2013-present Barefoot Networks, Inc.
 *
 * 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.
 */
 
/*
 * Antonin Bas (antonin@barefootnetworks.com)
 *
 */
 
#ifndef BM_BM_SIM_PHV_SOURCE_H_
#define BM_BM_SIM_PHV_SOURCE_H_
 
#include <memory>
 
#include "device_id.h"
#include "phv_forward.h"
 
namespace bm {
 
class PHVSourceIface {
 public:
  virtual ~PHVSourceIface() { }
 
  std::unique_ptr<PHV> get(cxt_id_t cxt);
 
  void release(cxt_id_t cxt, std::unique_ptr<PHV> phv);
 
  void set_phv_factory(cxt_id_t cxt, const PHVFactory *factory);
 
  size_t phvs_in_use(cxt_id_t cxt);
 
  static std::unique_ptr<PHVSourceIface> make_phv_source(size_t size = 1);
 
 private:
  virtual std::unique_ptr<PHV> get_(cxt_id_t cxt) = 0;
 
  virtual void release_(cxt_id_t cxt, std::unique_ptr<PHV> phv) = 0;
 
  virtual void set_phv_factory_(cxt_id_t cxt, const PHVFactory *factory) = 0;
 
  virtual size_t phvs_in_use_(cxt_id_t cxt) = 0;
};
 
}  // namespace bm
 
#endif  // BM_BM_SIM_PHV_SOURCE_H_