Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(2634)

Unified Diff: device/generic_sensor/linux/sensor_device_manager.cc

Issue 2865263002: Move //device/generic_sensor to be part of the internal implementation of the Device Service. (Closed)
Patch Set: code rebase Created 3 years, 7 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « device/generic_sensor/linux/sensor_device_manager.h ('k') | device/generic_sensor/platform_sensor.h » ('j') | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: device/generic_sensor/linux/sensor_device_manager.cc
diff --git a/device/generic_sensor/linux/sensor_device_manager.cc b/device/generic_sensor/linux/sensor_device_manager.cc
deleted file mode 100644
index fb4ca88df15d27acef5e8c8192b18420af5110c3..0000000000000000000000000000000000000000
--- a/device/generic_sensor/linux/sensor_device_manager.cc
+++ /dev/null
@@ -1,173 +0,0 @@
-// Copyright 2016 The Chromium 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 "device/generic_sensor/linux/sensor_device_manager.h"
-
-#include "base/strings/string_number_conversions.h"
-#include "base/threading/thread_restrictions.h"
-#include "base/threading/thread_task_runner_handle.h"
-#include "device/generic_sensor/linux/sensor_data_linux.h"
-
-namespace device {
-
-namespace {
-
-std::string StringOrEmptyIfNull(const char* value) {
- return value ? value : std::string();
-}
-
-} // namespace
-
-SensorDeviceManager::SensorDeviceManager()
- : observer_(this),
- delegate_(nullptr),
- task_runner_(base::ThreadTaskRunnerHandle::Get()) {
- DETACH_FROM_THREAD(thread_checker_);
-}
-
-SensorDeviceManager::~SensorDeviceManager() {
- DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
-}
-
-void SensorDeviceManager::Start(Delegate* delegate) {
- DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
- base::ThreadRestrictions::AssertIOAllowed();
- DCHECK(!delegate_);
-
- delegate_ = delegate;
-
- DeviceMonitorLinux* monitor = DeviceMonitorLinux::GetInstance();
- observer_.Add(monitor);
- monitor->Enumerate(
- base::Bind(&SensorDeviceManager::OnDeviceAdded, base::Unretained(this)));
-
- task_runner_->PostTask(
- FROM_HERE,
- base::Bind(&SensorDeviceManager::Delegate::OnSensorNodesEnumerated,
- base::Unretained(delegate_)));
-}
-
-std::string SensorDeviceManager::GetUdevDeviceGetSubsystem(udev_device* dev) {
- return StringOrEmptyIfNull(udev_device_get_subsystem(dev));
-}
-
-std::string SensorDeviceManager::GetUdevDeviceGetSyspath(udev_device* dev) {
- return StringOrEmptyIfNull(udev_device_get_syspath(dev));
-}
-
-std::string SensorDeviceManager::GetUdevDeviceGetSysattrValue(
- udev_device* dev,
- const std::string& attribute) {
- return StringOrEmptyIfNull(
- udev_device_get_sysattr_value(dev, attribute.c_str()));
-}
-
-std::string SensorDeviceManager::GetUdevDeviceGetDevnode(udev_device* dev) {
- return StringOrEmptyIfNull(udev_device_get_devnode(dev));
-}
-
-void SensorDeviceManager::OnDeviceAdded(udev_device* dev) {
- const std::string subsystem = GetUdevDeviceGetSubsystem(dev);
- if (subsystem.empty() || subsystem.compare("iio") != 0)
- return;
-
- const std::string sysfs_path = GetUdevDeviceGetSyspath(dev);
- if (sysfs_path.empty())
- return;
-
- const std::string device_node = GetUdevDeviceGetDevnode(dev);
- if (device_node.empty())
- return;
-
- const uint32_t first = static_cast<uint32_t>(mojom::SensorType::FIRST);
- const uint32_t last = static_cast<uint32_t>(mojom::SensorType::LAST);
- for (uint32_t i = first; i < last; ++i) {
- SensorPathsLinux data;
- mojom::SensorType type = static_cast<mojom::SensorType>(i);
- if (!InitSensorData(type, &data))
- continue;
-
- std::vector<base::FilePath> sensor_file_names;
- for (const std::vector<std::string>& names : data.sensor_file_names) {
- for (const auto& name : names) {
- const std::string value =
- GetUdevDeviceGetSysattrValue(dev, name.c_str());
- if (value.empty())
- continue;
- base::FilePath full_path = base::FilePath(sysfs_path).Append(name);
- sensor_file_names.push_back(full_path);
- break;
- }
- }
-
- if (sensor_file_names.empty())
- continue;
-
- const std::string scaling_value =
- GetUdevDeviceGetSysattrValue(dev, data.sensor_scale_name.c_str());
- // If scaling value is not found, treat it as 1.
- double sensor_scaling_value = 1;
- if (!scaling_value.empty())
- base::StringToDouble(scaling_value, &sensor_scaling_value);
-
- const std::string offset_vallue =
- GetUdevDeviceGetSysattrValue(dev, data.sensor_offset_file_name.c_str());
- // If offset value is not found, treat it as 0.
- double sensor_offset_value = 0;
- if (!offset_vallue.empty())
- base::StringToDouble(offset_vallue, &sensor_offset_value);
-
- const std::string frequency_value = GetUdevDeviceGetSysattrValue(
- dev, data.sensor_frequency_file_name.c_str());
- // If frequency is not found, use default one from SensorPathsLinux struct.
- double sensor_frequency_value = data.default_configuration.frequency();
- // By default, |reporting_mode| is ON_CHANGE. But if platform provides
- // sampling frequency, the reporting mode is CONTINUOUS.
- mojom::ReportingMode reporting_mode = mojom::ReportingMode::ON_CHANGE;
- if (!frequency_value.empty()) {
- base::StringToDouble(frequency_value, &sensor_frequency_value);
- reporting_mode = mojom::ReportingMode::CONTINUOUS;
- }
-
- // Update own cache of known sensor devices.
- if (!base::ContainsKey(sensors_by_node_, device_node))
- sensors_by_node_[device_node] = data.type;
-
- std::unique_ptr<SensorInfoLinux> device(new SensorInfoLinux(
- device_node, sensor_frequency_value, sensor_scaling_value,
- sensor_offset_value, reporting_mode, data.apply_scaling_func,
- std::move(sensor_file_names)));
- task_runner_->PostTask(
- FROM_HERE, base::Bind(&SensorDeviceManager::Delegate::OnDeviceAdded,
- base::Unretained(delegate_), data.type,
- base::Passed(&device)));
-
- // One |dev| can represent more than one sensor.
- // For example, there is an accelerometer and gyroscope represented by one
- // |dev| in Chrome OS, kernel < 3.18. Thus, iterate through all possible
- // types of sensors.
- }
-}
-
-void SensorDeviceManager::OnDeviceRemoved(udev_device* dev) {
- const std::string subsystem = GetUdevDeviceGetSubsystem(dev);
- if (subsystem.empty() || subsystem.compare("iio") != 0)
- return;
-
- const std::string device_node = GetUdevDeviceGetDevnode(dev);
- if (device_node.empty())
- return;
-
- auto sensor = sensors_by_node_.find(device_node);
- if (sensor == sensors_by_node_.end())
- return;
- mojom::SensorType type = sensor->second;
- sensors_by_node_.erase(sensor);
-
- task_runner_->PostTask(
- FROM_HERE, base::Bind(&SensorDeviceManager::Delegate::OnDeviceRemoved,
- base::Unretained(delegate_), type, device_node));
-}
-
-} // namespace device
« no previous file with comments | « device/generic_sensor/linux/sensor_device_manager.h ('k') | device/generic_sensor/platform_sensor.h » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698