C++ (Cpp) Interest::setInterestLifetime示例

void
Controller::startCommand(const shared_ptr<ControlCommand>& command,
                         const ControlParameters& parameters,
                         const CommandSucceedCallback& onSuccess,
                         const CommandFailCallback& onFailure,
                         const CommandOptions& options)
{
  Name requestName = command->getRequestName(options.getPrefix(), parameters);
  Interest interest = m_signer.makeCommandInterest(requestName, options.getSigningInfo());
  interest.setInterestLifetime(options.getTimeout());

  m_face.expressInterest(interest,
    [=] (const Interest&, const Data& data) {
      processCommandResponse(data, command, onSuccess, onFailure);
    },
    [=] (const Interest&, const lp::Nack&) {
      if (onFailure)
        onFailure(ControlResponse(Controller::ERROR_NACK, "network Nack received"));
    },
    [=] (const Interest&) {
      if (onFailure)
        onFailure(ControlResponse(Controller::ERROR_TIMEOUT, "request timed out"));
    });
}