src/smbios_callback.h

#pragma once

#include <atomic>
#include <string>

#include "smbios.grpc.pb.h"
#include "smbios_file.h"
#include "grpcpp/server_context.h"
#include "grpcpp/support/status.h"

namespace blobs {

constexpr auto objectPrefix = "/xyz/openbmc_project/grpcblobs/system";

class SmbiosTransferServiceImpl final
    : public phosphor::smbios::grpc_gen::SmbiosTransferService::Service {
 public:
  explicit SmbiosTransferServiceImpl(int instanceNumber,
                                     const std::string& basePath)
      : phosphor::smbios::grpc_gen::SmbiosTransferService::Service(),
        instance(instanceNumber),
        basePath_(basePath),
        smbiosAppPidFile_(basePath + "/var/run/smbiosmdrv2app.pid") {}

  grpc::Status SmbiosTransfer(
      grpc::ServerContext* context,
      const phosphor::smbios::SmbiosTransferRequest* request,
      [[maybe_unused]] phosphor::smbios::SmbiosTransferResponse* response);

  bool acceptEntry(const SmbiosEntry& entry, bool isWrite);

 protected:
  [[nodiscard]] bool claimLinkBusy();
  void writeThenStart(const SmbiosEntry& entry, bool isWrite);
  void sendSignalToSmbiosApp();

 private:
  int instance;
  std::atomic_flag linkBusy;
  std::string basePath_;
  std::string smbiosAppPidFile_;
};

}  // namespace blobs