targets/ebpf/test_backend.h

/*
 * SPDX-FileCopyrightText: 2022 The P4 Language Consortium
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef BACKENDS_P4TOOLS_MODULES_TESTGEN_TARGETS_EBPF_TEST_BACKEND_H_
#define BACKENDS_P4TOOLS_MODULES_TESTGEN_TARGETS_EBPF_TEST_BACKEND_H_
 
#include <cstdint>
#include <filesystem>
#include <functional>
#include <optional>
#include <string>
#include <vector>
 
#include "backends/p4tools/common/lib/model.h"
#include "backends/p4tools/common/lib/trace_event.h"
#include "ir/ir.h"
#include "lib/big_int_util.h"
 
#include "backends/p4tools/modules/testgen/core/program_info.h"
#include "backends/p4tools/modules/testgen/core/symbolic_executor/symbolic_executor.h"
#include "backends/p4tools/modules/testgen/lib/execution_state.h"
#include "backends/p4tools/modules/testgen/lib/test_backend.h"
#include "backends/p4tools/modules/testgen/lib/test_spec.h"
 
namespace P4::P4Tools::P4Testgen::EBPF {
 
class EBPFTestBackend : public TestBackEnd {
 private:
    static const int ZERO_PKT_WIDTH = 32;
    static const big_int ZERO_PKT_VAL;
    static const big_int ZERO_PKT_MAX;
    static const std::vector<std::string> SUPPORTED_BACKENDS;
 
 public:
    explicit EBPFTestBackend(const ProgramInfo &programInfo,
                             const TestBackendConfiguration &testBackendConfiguration,
                             SymbolicExecutor &symbex);
 
    TestBackEnd::TestInfo produceTestInfo(
        const ExecutionState *executionState, const Model *finalModel,
        const IR::Expression *outputPacketExpr, const IR::Expression *outputPortExpr,
        const std::vector<std::reference_wrapper<const TraceEvent>> *programTraces) override;
 
    const TestSpec *createTestSpec(const ExecutionState *executionState, const Model *finalModel,
                                   const TestInfo &testInfo) override;
};
 
}  // namespace P4::P4Tools::P4Testgen::EBPF
 
#endif /* BACKENDS_P4TOOLS_MODULES_TESTGEN_TARGETS_EBPF_TEST_BACKEND_H_ */