p4info_map.h

/*
 * SPDX-FileCopyrightText: 2024 The P4 Language Consortium
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef BACKENDS_P4TOOLS_COMMON_CONTROL_PLANE_P4INFO_MAP_H_
#define BACKENDS_P4TOOLS_COMMON_CONTROL_PLANE_P4INFO_MAP_H_
#include <cstdint>
#include <map>
#include <optional>
 
#include "control-plane/p4RuntimeArchHandler.h"
#include "control-plane/p4RuntimeSerializer.h"
#include "lib/cstring.h"
 
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-parameter"
#pragma GCC diagnostic ignored "-Wpedantic"
#include "p4/config/v1/p4info.pb.h"
#pragma GCC diagnostic pop

namespace P4::ControlPlaneAPI {

uint64_t szudzikPairing(p4rt_id_t x, p4rt_id_t y);

class P4InfoMaps {
    using P4RuntimeIdToControlPlaneNameMap = std::map<uint64_t, cstring>;
    using ControlPlaneNameToP4RuntimeIdMap = std::map<cstring, uint64_t>;
 
 protected:
    P4RuntimeIdToControlPlaneNameMap idToNameMap;

    ControlPlaneNameToP4RuntimeIdMap nameToIdMap;

    virtual void buildP4InfoMaps(const p4::config::v1::P4Info &p4Info);
 
 public:
    explicit P4InfoMaps(const p4::config::v1::P4Info &p4Info);

    [[nodiscard]] std::optional<uint64_t> lookUpP4RuntimeId(cstring controlPlaneName) const;

    [[nodiscard]] std::optional<cstring> lookUpControlPlaneName(uint64_t id) const;
};
 
}  // namespace P4::ControlPlaneAPI
 
#endif /* BACKENDS_P4TOOLS_COMMON_CONTROL_PLANE_P4INFO_MAP_H_ */