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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 // StorageMonitorLinux implementation. | 5 // StorageMonitorLinux implementation. |
| 6 | 6 |
| 7 #include "components/storage_monitor/storage_monitor_linux.h" | 7 #include "components/storage_monitor/storage_monitor_linux.h" |
| 8 | 8 |
| 9 #include <mntent.h> | 9 #include <mntent.h> |
| 10 #include <stdint.h> |
| 10 #include <stdio.h> | 11 #include <stdio.h> |
| 11 | 12 |
| 13 #include <limits> |
| 12 #include <list> | 14 #include <list> |
| 13 | 15 |
| 14 #include "base/basictypes.h" | |
| 15 #include "base/bind.h" | 16 #include "base/bind.h" |
| 16 #include "base/metrics/histogram.h" | 17 #include "base/metrics/histogram.h" |
| 17 #include "base/process/kill.h" | 18 #include "base/process/kill.h" |
| 18 #include "base/process/launch.h" | 19 #include "base/process/launch.h" |
| 19 #include "base/process/process.h" | 20 #include "base/process/process.h" |
| 20 #include "base/stl_util.h" | 21 #include "base/stl_util.h" |
| 21 #include "base/strings/string_number_conversions.h" | 22 #include "base/strings/string_number_conversions.h" |
| 22 #include "base/strings/string_util.h" | 23 #include "base/strings/string_util.h" |
| 23 #include "base/strings/utf_string_conversions.h" | 24 #include "base/strings/utf_string_conversions.h" |
| 24 #include "components/storage_monitor/media_storage_util.h" | 25 #include "components/storage_monitor/media_storage_util.h" |
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| 90 } | 91 } |
| 91 | 92 |
| 92 private: | 93 private: |
| 93 bool result_; | 94 bool result_; |
| 94 | 95 |
| 95 DISALLOW_COPY_AND_ASSIGN(ScopedGetDeviceInfoResultRecorder); | 96 DISALLOW_COPY_AND_ASSIGN(ScopedGetDeviceInfoResultRecorder); |
| 96 }; | 97 }; |
| 97 | 98 |
| 98 // Returns the storage partition size of the device specified by |device_path|. | 99 // Returns the storage partition size of the device specified by |device_path|. |
| 99 // If the requested information is unavailable, returns 0. | 100 // If the requested information is unavailable, returns 0. |
| 100 uint64 GetDeviceStorageSize(const base::FilePath& device_path, | 101 uint64_t GetDeviceStorageSize(const base::FilePath& device_path, |
| 101 struct udev_device* device) { | 102 struct udev_device* device) { |
| 102 // sysfs provides the device size in units of 512-byte blocks. | 103 // sysfs provides the device size in units of 512-byte blocks. |
| 103 const std::string partition_size = | 104 const std::string partition_size = |
| 104 device::UdevDeviceGetSysattrValue(device, kSizeSysAttr); | 105 device::UdevDeviceGetSysattrValue(device, kSizeSysAttr); |
| 105 | 106 |
| 106 // Keep track of device size, to see how often this information is | 107 // Keep track of device size, to see how often this information is |
| 107 // unavailable. | 108 // unavailable. |
| 108 UMA_HISTOGRAM_BOOLEAN( | 109 UMA_HISTOGRAM_BOOLEAN( |
| 109 "RemovableDeviceNotificationsLinux.device_partition_size_available", | 110 "RemovableDeviceNotificationsLinux.device_partition_size_available", |
| 110 !partition_size.empty()); | 111 !partition_size.empty()); |
| 111 | 112 |
| 112 uint64 total_size_in_bytes = 0; | 113 uint64_t total_size_in_bytes = 0; |
| 113 if (!base::StringToUint64(partition_size, &total_size_in_bytes)) | 114 if (!base::StringToUint64(partition_size, &total_size_in_bytes)) |
| 114 return 0; | 115 return 0; |
| 115 return (total_size_in_bytes <= kuint64max / 512) ? | 116 return (total_size_in_bytes <= std::numeric_limits<uint64_t>::max() / 512) |
| 116 total_size_in_bytes * 512 : 0; | 117 ? total_size_in_bytes * 512 |
| 118 : 0; |
| 117 } | 119 } |
| 118 | 120 |
| 119 // Gets the device information using udev library. | 121 // Gets the device information using udev library. |
| 120 scoped_ptr<StorageInfo> GetDeviceInfo(const base::FilePath& device_path, | 122 scoped_ptr<StorageInfo> GetDeviceInfo(const base::FilePath& device_path, |
| 121 const base::FilePath& mount_point) { | 123 const base::FilePath& mount_point) { |
| 122 DCHECK_CURRENTLY_ON(BrowserThread::FILE); | 124 DCHECK_CURRENTLY_ON(BrowserThread::FILE); |
| 123 DCHECK(!device_path.empty()); | 125 DCHECK(!device_path.empty()); |
| 124 | 126 |
| 125 scoped_ptr<StorageInfo> storage_info; | 127 scoped_ptr<StorageInfo> storage_info; |
| 126 | 128 |
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| 500 mount_priority_map_[mount_device][mount_point] = removable; | 502 mount_priority_map_[mount_device][mount_point] = removable; |
| 501 receiver()->ProcessAttach(*storage_info); | 503 receiver()->ProcessAttach(*storage_info); |
| 502 } | 504 } |
| 503 | 505 |
| 504 StorageMonitor* StorageMonitor::CreateInternal() { | 506 StorageMonitor* StorageMonitor::CreateInternal() { |
| 505 const base::FilePath kDefaultMtabPath("/etc/mtab"); | 507 const base::FilePath kDefaultMtabPath("/etc/mtab"); |
| 506 return new StorageMonitorLinux(kDefaultMtabPath); | 508 return new StorageMonitorLinux(kDefaultMtabPath); |
| 507 } | 509 } |
| 508 | 510 |
| 509 } // namespace storage_monitor | 511 } // namespace storage_monitor |
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