blob: c571c9cbd0af230438c733478533a7652c77a64d [file] [log] [blame]
// Copyright 2017 The Chromium OS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "thd/source/source.h"
#include <cstdint>
#include <string>
#include <vector>
#include <base/macros.h>
namespace thd {
// Source to read temperatures through the "ectools temps x" command
// Note on usage:
// This source is for testing, debugging, and creating proofs of concept. It's
// prone to breaking easily since it just parses the command line output from
// ectool.
// Should any of the temperatures exposed through this source become actually
// necessary for a production configuration of sysfs, please build a proper
// exposure mechanism (like a /sys/class/thermal/ zone) for it.
class EctoolTempsSource : public Source {
// |sensor_id| informs what sensors ID to read when calling "ectool temps x".
explicit EctoolTempsSource(int sensor_id);
EctoolTempsSource(const EctoolTempsSource&) = delete;
EctoolTempsSource& operator=(const EctoolTempsSource&) = delete;
~EctoolTempsSource() override;
// Source:
bool ReadValue(int64_t* value_out) override;
// The arguments to use for the command line are stored here on construction,
// and used to call "ectool temps x" on each ReadValue call.
const std::vector<std::string> cmd_args_;
} // namespace thd