device_info.cc revision 05a42c23f1d37daa8689fc4240034e62ed89f8fc
141c0e0accae6602dbc9fc31f336dabee7af1b170Darin Petkov// Copyright (c) 2012 The Chromium OS Authors. All rights reserved. 20af98bf87e8fc3cf29293f62d7f3b73cd9adb571Paul Stewart// Use of this source code is governed by a BSD-style license that can be 30af98bf87e8fc3cf29293f62d7f3b73cd9adb571Paul Stewart// found in the LICENSE file. 40af98bf87e8fc3cf29293f62d7f3b73cd9adb571Paul Stewart 5cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart#include "shill/device_info.h" 60af98bf87e8fc3cf29293f62d7f3b73cd9adb571Paul Stewart 70af98bf87e8fc3cf29293f62d7f3b73cd9adb571Paul Stewart#include <arpa/inet.h> 8cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart#include <fcntl.h> 9cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart#include <linux/if_tun.h> 100af98bf87e8fc3cf29293f62d7f3b73cd9adb571Paul Stewart#include <linux/netlink.h> 110af98bf87e8fc3cf29293f62d7f3b73cd9adb571Paul Stewart#include <linux/rtnetlink.h> 12cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart#include <net/if.h> 13cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart#include <net/if_arp.h> 14cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart#include <netinet/ether.h> 15cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart#include <string.h> 16cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart#include <sys/ioctl.h> 17cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart#include <sys/socket.h> 18cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart#include <time.h> 19cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart#include <unistd.h> 20cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart 210af98bf87e8fc3cf29293f62d7f3b73cd9adb571Paul Stewart#include <string> 220af98bf87e8fc3cf29293f62d7f3b73cd9adb571Paul Stewart 233e20a2341d0aeb7681e4ee0f89eae6817ade2b3bEric Shienbrood#include <base/bind.h> 24bf1861b28b61d2338116e4416ac8f2a45f7045cePaul Stewart#include <base/file_util.h> 25487b8bfc46a91e29bb23aaf3c59cfe67033bfc8bChris Masone#include <base/logging.h> 26487b8bfc46a91e29bb23aaf3c59cfe67033bfc8bChris Masone#include <base/memory/scoped_ptr.h> 273e20a2341d0aeb7681e4ee0f89eae6817ade2b3bEric Shienbrood#include <base/stl_util.h> 282001a42edf1d42ec828a9baf3157496c20fefd49Paul Stewart#include <base/string_number_conversions.h> 29877ff9894e21c4c78b63777025f6c8d577ccd855Chris Masone#include <base/string_util.h> 30b50f0b9837c398b8edd5dc568eb01bdcff9a4d65Paul Stewart#include <base/stringprintf.h> 310af98bf87e8fc3cf29293f62d7f3b73cd9adb571Paul Stewart 320af98bf87e8fc3cf29293f62d7f3b73cd9adb571Paul Stewart#include "shill/control_interface.h" 339be4a9d1e87d64f850f15061123b2a4334477fa2Chris Masone#include "shill/device.h" 34a3c56f9f49e6c72ff55cc1224cccd60538e9b788Paul Stewart#include "shill/device_stub.h" 35b50f0b9837c398b8edd5dc568eb01bdcff9a4d65Paul Stewart#include "shill/ethernet.h" 36b50f0b9837c398b8edd5dc568eb01bdcff9a4d65Paul Stewart#include "shill/manager.h" 378c116a90d3a3536430b808b15e73275060918434Paul Stewart#include "shill/routing_table.h" 38a3c56f9f49e6c72ff55cc1224cccd60538e9b788Paul Stewart#include "shill/rtnl_handler.h" 39a3c56f9f49e6c72ff55cc1224cccd60538e9b788Paul Stewart#include "shill/rtnl_listener.h" 402aa9707f114ab8166f45df5726bf05278df2aef6Chris Masone#include "shill/rtnl_message.h" 41fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan#include "shill/scope_logger.h" 42487b8bfc46a91e29bb23aaf3c59cfe67033bfc8bChris Masone#include "shill/service.h" 4393a29ed675f5c75250d09e192d72fe6804c10111mukesh agrawal#include "shill/virtio_ethernet.h" 44b50f0b9837c398b8edd5dc568eb01bdcff9a4d65Paul Stewart#include "shill/wifi.h" 450af98bf87e8fc3cf29293f62d7f3b73cd9adb571Paul Stewart 463e20a2341d0aeb7681e4ee0f89eae6817ade2b3bEric Shienbroodusing base::Bind; 478f1c835d879f82261a08257eb6f9677e6be51fdaThieu Leusing base::StringPrintf; 483e20a2341d0aeb7681e4ee0f89eae6817ade2b3bEric Shienbroodusing base::Unretained; 49e6193c042652831cac90c3bbf2233877754b1eefDarin Petkovusing std::map; 50050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewartusing std::set; 510af98bf87e8fc3cf29293f62d7f3b73cd9adb571Paul Stewartusing std::string; 529a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewartusing std::vector; 530af98bf87e8fc3cf29293f62d7f3b73cd9adb571Paul Stewart 540af98bf87e8fc3cf29293f62d7f3b73cd9adb571Paul Stewartnamespace shill { 55b50f0b9837c398b8edd5dc568eb01bdcff9a4d65Paul Stewart 56b50f0b9837c398b8edd5dc568eb01bdcff9a4d65Paul Stewart// static 57abc5403270e26fa898181301911a905758f8d758Jason Glasgowconst char DeviceInfo::kModemPseudoDeviceNamePrefix[] = "pseudomodem"; 58ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul Stewartconst char DeviceInfo::kDeviceInfoRoot[] = "/sys/class/net"; 594e64d2d72eed1947ab1d15e6ce25a47c37a9e10cBen Chanconst char DeviceInfo::kDriverCdcEther[] = "cdc_ether"; 604e64d2d72eed1947ab1d15e6ce25a47c37a9e10cBen Chanconst char DeviceInfo::kDriverGdmWiMax[] = "gdm_wimax"; 6193a29ed675f5c75250d09e192d72fe6804c10111mukesh agrawalconst char DeviceInfo::kDriverVirtioNet[] = "virtio_net"; 62ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul Stewartconst char DeviceInfo::kInterfaceUevent[] = "uevent"; 639364c4c9a1e1f4bbb59c8d32ac97c928505fc8cbPaul Stewartconst char DeviceInfo::kInterfaceUeventWifiSignature[] = "DEVTYPE=wlan\n"; 64ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul Stewartconst char DeviceInfo::kInterfaceDevice[] = "device"; 65ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul Stewartconst char DeviceInfo::kInterfaceDriver[] = "device/driver"; 66ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul Stewartconst char DeviceInfo::kInterfaceTunFlags[] = "tun_flags"; 67ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul Stewartconst char DeviceInfo::kInterfaceType[] = "type"; 68b50f0b9837c398b8edd5dc568eb01bdcff9a4d65Paul Stewartconst char *DeviceInfo::kModemDrivers[] = { 69b50f0b9837c398b8edd5dc568eb01bdcff9a4d65Paul Stewart "gobi", 70b50f0b9837c398b8edd5dc568eb01bdcff9a4d65Paul Stewart "QCUSBNet2k", 718f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le "GobiNet" 72b50f0b9837c398b8edd5dc568eb01bdcff9a4d65Paul Stewart}; 73cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewartconst char DeviceInfo::kTunDeviceName[] = "/dev/net/tun"; 74050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewartconst int DeviceInfo::kDelayedDeviceCreationSeconds = 5; 751ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewartconst int DeviceInfo::kRequestLinkStatisticsIntervalSeconds = 60; 76b50f0b9837c398b8edd5dc568eb01bdcff9a4d65Paul Stewart 77b50f0b9837c398b8edd5dc568eb01bdcff9a4d65Paul StewartDeviceInfo::DeviceInfo(ControlInterface *control_interface, 78b50f0b9837c398b8edd5dc568eb01bdcff9a4d65Paul Stewart EventDispatcher *dispatcher, 793426c8fc7a3943f2d8fcb2ec78f0593088b42bedThieu Le Metrics *metrics, 80b50f0b9837c398b8edd5dc568eb01bdcff9a4d65Paul Stewart Manager *manager) 81a3c56f9f49e6c72ff55cc1224cccd60538e9b788Paul Stewart : control_interface_(control_interface), 82a3c56f9f49e6c72ff55cc1224cccd60538e9b788Paul Stewart dispatcher_(dispatcher), 833426c8fc7a3943f2d8fcb2ec78f0593088b42bedThieu Le metrics_(metrics), 84a3c56f9f49e6c72ff55cc1224cccd60538e9b788Paul Stewart manager_(manager), 853e20a2341d0aeb7681e4ee0f89eae6817ade2b3bEric Shienbrood link_callback_(Bind(&DeviceInfo::LinkMsgHandler, Unretained(this))), 863e20a2341d0aeb7681e4ee0f89eae6817ade2b3bEric Shienbrood address_callback_(Bind(&DeviceInfo::AddressMsgHandler, Unretained(this))), 879a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart link_listener_(NULL), 889a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart address_listener_(NULL), 89ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul Stewart device_info_root_(kDeviceInfoRoot), 908c116a90d3a3536430b808b15e73275060918434Paul Stewart routing_table_(RoutingTable::GetInstance()), 919a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart rtnl_handler_(RTNLHandler::GetInstance()) { 920af98bf87e8fc3cf29293f62d7f3b73cd9adb571Paul Stewart} 930af98bf87e8fc3cf29293f62d7f3b73cd9adb571Paul Stewart 94a3c56f9f49e6c72ff55cc1224cccd60538e9b788Paul StewartDeviceInfo::~DeviceInfo() {} 950af98bf87e8fc3cf29293f62d7f3b73cd9adb571Paul Stewart 968f317b600a218afe05f2d73c59204bb98269a950mukesh agrawalvoid DeviceInfo::AddDeviceToBlackList(const string &device_name) { 978f317b600a218afe05f2d73c59204bb98269a950mukesh agrawal black_list_.insert(device_name); 988f317b600a218afe05f2d73c59204bb98269a950mukesh agrawal} 998f317b600a218afe05f2d73c59204bb98269a950mukesh agrawal 1005e628a5c722c196ad240af0ff3c717e9613d3ef5Eric Shienbroodbool DeviceInfo::IsDeviceBlackListed(const string &device_name) { 1015e628a5c722c196ad240af0ff3c717e9613d3ef5Eric Shienbrood return ContainsKey(black_list_, device_name); 1025e628a5c722c196ad240af0ff3c717e9613d3ef5Eric Shienbrood} 1035e628a5c722c196ad240af0ff3c717e9613d3ef5Eric Shienbrood 104a3c56f9f49e6c72ff55cc1224cccd60538e9b788Paul Stewartvoid DeviceInfo::Start() { 105a3c56f9f49e6c72ff55cc1224cccd60538e9b788Paul Stewart link_listener_.reset( 1063e20a2341d0aeb7681e4ee0f89eae6817ade2b3bEric Shienbrood new RTNLListener(RTNLHandler::kRequestLink, link_callback_)); 1079a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart address_listener_.reset( 1083e20a2341d0aeb7681e4ee0f89eae6817ade2b3bEric Shienbrood new RTNLListener(RTNLHandler::kRequestAddr, address_callback_)); 1099a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart rtnl_handler_->RequestDump(RTNLHandler::kRequestLink | 1109a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart RTNLHandler::kRequestAddr); 1111ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewart request_link_statistics_callback_.Reset( 1121ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewart Bind(&DeviceInfo::RequestLinkStatistics, AsWeakPtr())); 1131ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewart dispatcher_->PostDelayedTask(request_link_statistics_callback_.callback(), 1141ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewart kRequestLinkStatisticsIntervalSeconds * 1000); 1150af98bf87e8fc3cf29293f62d7f3b73cd9adb571Paul Stewart} 1160af98bf87e8fc3cf29293f62d7f3b73cd9adb571Paul Stewart 117a3c56f9f49e6c72ff55cc1224cccd60538e9b788Paul Stewartvoid DeviceInfo::Stop() { 1189a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart link_listener_.reset(); 1199a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart address_listener_.reset(); 1208c116a90d3a3536430b808b15e73275060918434Paul Stewart infos_.clear(); 1211ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewart request_link_statistics_callback_.Cancel(); 122050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart delayed_devices_callback_.Cancel(); 123050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart delayed_devices_.clear(); 1240af98bf87e8fc3cf29293f62d7f3b73cd9adb571Paul Stewart} 1250af98bf87e8fc3cf29293f62d7f3b73cd9adb571Paul Stewart 1266f9eaa30b850ee4a22e71fd1b6ab13c873ec7110Darin Petkovvoid DeviceInfo::RegisterDevice(const DeviceRefPtr &device) { 127fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan SLOG(Device, 2) << __func__ << "(" << device->link_name() << ", " 128fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan << device->interface_index() << ")"; 129050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart delayed_devices_.erase(device->interface_index()); 130e6193c042652831cac90c3bbf2233877754b1eefDarin Petkov CHECK(!GetDevice(device->interface_index()).get()); 131e6193c042652831cac90c3bbf2233877754b1eefDarin Petkov infos_[device->interface_index()].device = device; 132da798623389b981130cd1922f880736f1e0e36baJoshua Kroll if ((device->technology() == Technology::kCellular) || 133da798623389b981130cd1922f880736f1e0e36baJoshua Kroll (device->technology() == Technology::kEthernet) || 134da798623389b981130cd1922f880736f1e0e36baJoshua Kroll (device->technology() == Technology::kWifi) || 135da798623389b981130cd1922f880736f1e0e36baJoshua Kroll (device->technology() == Technology::kWiMax)) { 1366f9eaa30b850ee4a22e71fd1b6ab13c873ec7110Darin Petkov manager_->RegisterDevice(device); 1376f9eaa30b850ee4a22e71fd1b6ab13c873ec7110Darin Petkov } 1386f9eaa30b850ee4a22e71fd1b6ab13c873ec7110Darin Petkov} 1396f9eaa30b850ee4a22e71fd1b6ab13c873ec7110Darin Petkov 140e908949fa87c32ed97073d3e79fb7f450541cb95Jason Glasgowvoid DeviceInfo::DeregisterDevice(const DeviceRefPtr &device) { 141e908949fa87c32ed97073d3e79fb7f450541cb95Jason Glasgow int interface_index = device->interface_index(); 142e908949fa87c32ed97073d3e79fb7f450541cb95Jason Glasgow 143fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan SLOG(Device, 2) << __func__ << "(" << device->link_name() << ", " 144fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan << interface_index << ")"; 145da798623389b981130cd1922f880736f1e0e36baJoshua Kroll CHECK((device->technology() == Technology::kCellular) || 146da798623389b981130cd1922f880736f1e0e36baJoshua Kroll (device->technology() == Technology::kWiMax)); 147e908949fa87c32ed97073d3e79fb7f450541cb95Jason Glasgow 148e908949fa87c32ed97073d3e79fb7f450541cb95Jason Glasgow // Release reference to the device 149e908949fa87c32ed97073d3e79fb7f450541cb95Jason Glasgow map<int, Info>::iterator iter = infos_.find(interface_index); 150e908949fa87c32ed97073d3e79fb7f450541cb95Jason Glasgow if (iter != infos_.end()) { 151fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan SLOG(Device, 2) << "Removing device from info for index: " 152fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan << interface_index; 153e908949fa87c32ed97073d3e79fb7f450541cb95Jason Glasgow manager_->DeregisterDevice(device); 154e908949fa87c32ed97073d3e79fb7f450541cb95Jason Glasgow // Release the reference to the device, but maintain the mapping 155e908949fa87c32ed97073d3e79fb7f450541cb95Jason Glasgow // for the index. That will be cleaned up by an RTNL message. 156e908949fa87c32ed97073d3e79fb7f450541cb95Jason Glasgow iter->second.device = NULL; 157e908949fa87c32ed97073d3e79fb7f450541cb95Jason Glasgow } 158e908949fa87c32ed97073d3e79fb7f450541cb95Jason Glasgow} 159e908949fa87c32ed97073d3e79fb7f450541cb95Jason Glasgow 160ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul StewartFilePath DeviceInfo::GetDeviceInfoPath(const string &iface_name, 161ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul Stewart const string &path_name) { 162ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul Stewart return device_info_root_.Append(iface_name).Append(path_name); 163ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul Stewart} 164ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul Stewart 165ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul Stewartbool DeviceInfo::GetDeviceInfoContents(const string &iface_name, 166ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul Stewart const string &path_name, 167ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul Stewart string *contents_out) { 168ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul Stewart return file_util::ReadFileToString(GetDeviceInfoPath(iface_name, path_name), 169ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul Stewart contents_out); 170ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul Stewart} 171ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul Stewartbool DeviceInfo::GetDeviceInfoSymbolicLink(const string &iface_name, 1724e64d2d72eed1947ab1d15e6ce25a47c37a9e10cBen Chan const string &path_name, 1734e64d2d72eed1947ab1d15e6ce25a47c37a9e10cBen Chan FilePath *path_out) { 174ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul Stewart return file_util::ReadSymbolicLink(GetDeviceInfoPath(iface_name, path_name), 175ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul Stewart path_out); 176ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul Stewart} 177ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul Stewart 178fdd1607e26db6c10585f7eefa0e02546274ea8f5Paul StewartTechnology::Identifier DeviceInfo::GetDeviceTechnology( 179fdd1607e26db6c10585f7eefa0e02546274ea8f5Paul Stewart const string &iface_name) { 180ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul Stewart string type_string; 181ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul Stewart int arp_type = ARPHRD_VOID;; 182ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul Stewart if (GetDeviceInfoContents(iface_name, kInterfaceType, &type_string) && 183ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul Stewart TrimString(type_string, "\n", &type_string) && 184ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul Stewart !base::StringToInt(type_string, &arp_type)) { 185ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul Stewart arp_type = ARPHRD_VOID; 186ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul Stewart } 187ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul Stewart 1889364c4c9a1e1f4bbb59c8d32ac97c928505fc8cbPaul Stewart string contents; 189ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul Stewart if (!GetDeviceInfoContents(iface_name, kInterfaceUevent, &contents)) { 190050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart LOG(INFO) << StringPrintf("%s: device %s has no uevent file", 191050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart __func__, iface_name.c_str()); 192fdd1607e26db6c10585f7eefa0e02546274ea8f5Paul Stewart return Technology::kUnknown; 1939364c4c9a1e1f4bbb59c8d32ac97c928505fc8cbPaul Stewart } 194b50f0b9837c398b8edd5dc568eb01bdcff9a4d65Paul Stewart 1958f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le // If the "uevent" file contains the string "DEVTYPE=wlan\n" at the 1968f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le // start of the file or after a newline, we can safely assume this 1978f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le // is a wifi device. 1989364c4c9a1e1f4bbb59c8d32ac97c928505fc8cbPaul Stewart if (contents.find(kInterfaceUeventWifiSignature) != string::npos) { 199fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan SLOG(Device, 2) 200fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan << StringPrintf("%s: device %s has wifi signature in uevent file", 201fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan __func__, iface_name.c_str()); 202ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul Stewart if (arp_type == ARPHRD_IEEE80211_RADIOTAP) { 203fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan SLOG(Device, 2) << StringPrintf("%s: wifi device %s is in monitor mode", 204fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan __func__, iface_name.c_str()); 2052001a42edf1d42ec828a9baf3157496c20fefd49Paul Stewart return Technology::kWiFiMonitor; 2062001a42edf1d42ec828a9baf3157496c20fefd49Paul Stewart } 207fdd1607e26db6c10585f7eefa0e02546274ea8f5Paul Stewart return Technology::kWifi; 2089364c4c9a1e1f4bbb59c8d32ac97c928505fc8cbPaul Stewart } 209b50f0b9837c398b8edd5dc568eb01bdcff9a4d65Paul Stewart 2107904d1443656999fd0a7faaf247aad05a7b3e0a6Jason Glasgow // Special case for pseudo modems which are used for testing 2117904d1443656999fd0a7faaf247aad05a7b3e0a6Jason Glasgow if (iface_name.find(kModemPseudoDeviceNamePrefix) == 0) { 2127904d1443656999fd0a7faaf247aad05a7b3e0a6Jason Glasgow SLOG(Device, 2) << StringPrintf( 2137904d1443656999fd0a7faaf247aad05a7b3e0a6Jason Glasgow "%s: device %s is a pseudo modem for testing", 2147904d1443656999fd0a7faaf247aad05a7b3e0a6Jason Glasgow __func__, iface_name.c_str()); 2157904d1443656999fd0a7faaf247aad05a7b3e0a6Jason Glasgow return Technology::kCellular; 2167904d1443656999fd0a7faaf247aad05a7b3e0a6Jason Glasgow } 2177904d1443656999fd0a7faaf247aad05a7b3e0a6Jason Glasgow 2189364c4c9a1e1f4bbb59c8d32ac97c928505fc8cbPaul Stewart FilePath driver_path; 219ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul Stewart if (!GetDeviceInfoSymbolicLink(iface_name, kInterfaceDriver, &driver_path)) { 220fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan SLOG(Device, 2) << StringPrintf("%s: device %s has no device symlink", 221fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan __func__, iface_name.c_str()); 222ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul Stewart if (arp_type == ARPHRD_LOOPBACK) { 223fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan SLOG(Device, 2) << StringPrintf("%s: device %s is a loopback device", 224fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan __func__, iface_name.c_str()); 225e81eb700f66563cb695b6e3682f20ac5a0cdb8c0Paul Stewart return Technology::kLoopback; 226e81eb700f66563cb695b6e3682f20ac5a0cdb8c0Paul Stewart } 227ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul Stewart if (arp_type == ARPHRD_PPP) { 228ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul Stewart SLOG(Device, 2) << StringPrintf("%s: device %s is a ppp device", 229ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul Stewart __func__, iface_name.c_str()); 230ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul Stewart return Technology::kPPP; 231ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul Stewart } 232ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul Stewart string tun_flags_str; 233cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart int tun_flags = 0; 234ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul Stewart if (GetDeviceInfoContents(iface_name, kInterfaceTunFlags, &tun_flags_str) && 235ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul Stewart TrimString(tun_flags_str, "\n", &tun_flags_str) && 236ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul Stewart base::HexStringToInt(tun_flags_str, &tun_flags) && 237cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart (tun_flags & IFF_TUN)) { 238fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan SLOG(Device, 2) << StringPrintf("%s: device %s is tun device", 239fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan __func__, iface_name.c_str()); 240cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart return Technology::kTunnel; 241cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart } 242e81eb700f66563cb695b6e3682f20ac5a0cdb8c0Paul Stewart return Technology::kUnknown; 2439364c4c9a1e1f4bbb59c8d32ac97c928505fc8cbPaul Stewart } 244b50f0b9837c398b8edd5dc568eb01bdcff9a4d65Paul Stewart 2459364c4c9a1e1f4bbb59c8d32ac97c928505fc8cbPaul Stewart string driver_name(driver_path.BaseName().value()); 2468f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le // See if driver for this interface is in a list of known modem driver names. 2478f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le for (size_t modem_idx = 0; modem_idx < arraysize(kModemDrivers); 2488f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le ++modem_idx) { 2499364c4c9a1e1f4bbb59c8d32ac97c928505fc8cbPaul Stewart if (driver_name == kModemDrivers[modem_idx]) { 250fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan SLOG(Device, 2) 251fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan << StringPrintf("%s: device %s is matched with modem driver %s", 252fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan __func__, iface_name.c_str(), driver_name.c_str()); 2539364c4c9a1e1f4bbb59c8d32ac97c928505fc8cbPaul Stewart return Technology::kCellular; 2549364c4c9a1e1f4bbb59c8d32ac97c928505fc8cbPaul Stewart } 255b50f0b9837c398b8edd5dc568eb01bdcff9a4d65Paul Stewart } 2560af98bf87e8fc3cf29293f62d7f3b73cd9adb571Paul Stewart 2574e64d2d72eed1947ab1d15e6ce25a47c37a9e10cBen Chan if (driver_name == kDriverGdmWiMax) { 2584e64d2d72eed1947ab1d15e6ce25a47c37a9e10cBen Chan SLOG(Device, 2) << StringPrintf("%s: device %s is a WiMAX device", 2594e64d2d72eed1947ab1d15e6ce25a47c37a9e10cBen Chan __func__, iface_name.c_str()); 2604e64d2d72eed1947ab1d15e6ce25a47c37a9e10cBen Chan return Technology::kWiMax; 2614e64d2d72eed1947ab1d15e6ce25a47c37a9e10cBen Chan } 2624e64d2d72eed1947ab1d15e6ce25a47c37a9e10cBen Chan 2638f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le // For cdc_ether devices, make sure it's a modem because this driver 2648f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le // can be used for other ethernet devices. 265050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart if (driver_name == kDriverCdcEther) { 266050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart if (IsCdcEtherModemDevice(iface_name)) { 267050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart LOG(INFO) << StringPrintf("%s: device %s is a modem cdc_ether " 268050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart "device", __func__, iface_name.c_str()); 269050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart return Technology::kCellular; 270050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart } 271050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart SLOG(Device, 2) << StringPrintf("%s: device %s is a cdc_ether " 272050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart "device", __func__, iface_name.c_str()); 273050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart return Technology::kCDCEthernet; 2748f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le } 275abc5403270e26fa898181301911a905758f8d758Jason Glasgow 27693a29ed675f5c75250d09e192d72fe6804c10111mukesh agrawal // Special case for the virtio driver, used when run under KVM. See also 27793a29ed675f5c75250d09e192d72fe6804c10111mukesh agrawal // the comment in VirtioEthernet::Start. 27893a29ed675f5c75250d09e192d72fe6804c10111mukesh agrawal if (driver_name == kDriverVirtioNet) { 279fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan SLOG(Device, 2) << StringPrintf("%s: device %s is virtio ethernet", 280fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan __func__, iface_name.c_str()); 28193a29ed675f5c75250d09e192d72fe6804c10111mukesh agrawal return Technology::kVirtioEthernet; 28293a29ed675f5c75250d09e192d72fe6804c10111mukesh agrawal } 28393a29ed675f5c75250d09e192d72fe6804c10111mukesh agrawal 284fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan SLOG(Device, 2) << StringPrintf("%s: device %s, with driver %s, " 285fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan "is defaulted to type ethernet", 286fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan __func__, iface_name.c_str(), 287fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan driver_name.c_str()); 288fdd1607e26db6c10585f7eefa0e02546274ea8f5Paul Stewart return Technology::kEthernet; 289b50f0b9837c398b8edd5dc568eb01bdcff9a4d65Paul Stewart} 290b50f0b9837c398b8edd5dc568eb01bdcff9a4d65Paul Stewart 2918f1c835d879f82261a08257eb6f9677e6be51fdaThieu Lebool DeviceInfo::IsCdcEtherModemDevice(const std::string &iface_name) { 2928f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le // A cdc_ether device is a modem device if it also exposes tty interfaces. 2938f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le // To determine this, we look for the existence of the tty interface in the 2948f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le // USB device sysfs tree. 2958f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le // 2968f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le // A typical sysfs dir hierarchy for a cdc_ether modem USB device is as 2978f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le // follows: 2988f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le // 2998f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le // /sys/devices/pci0000:00/0000:00:1d.7/usb1/1-2 3008f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le // 1-2:1.0 3018f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le // tty 3028f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le // ttyACM0 3038f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le // 1-2:1.1 3048f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le // net 3058f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le // usb0 3068f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le // 1-2:1.2 3078f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le // tty 3088f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le // ttyACM1 3098f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le // ... 3108f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le // 3118f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le // /sys/class/net/usb0/device symlinks to 3128f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le // /sys/devices/pci0000:00/0000:00:1d.7/usb1/1-2/1-2:1.1 313b27beee2e85a1ad3d68a1218c8c4fef4214626e8Thieu Le // 314b27beee2e85a1ad3d68a1218c8c4fef4214626e8Thieu Le // Note that some modem devices have the tty directory one level deeper 315b27beee2e85a1ad3d68a1218c8c4fef4214626e8Thieu Le // (eg. E362), so the device tree for the tty interface is: 316b27beee2e85a1ad3d68a1218c8c4fef4214626e8Thieu Le // /sys/devices/pci0000:00/0000:00:1d.7/usb/1-2/1-2:1.0/ttyUSB0/tty/ttyUSB0 3178f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le 318ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul Stewart FilePath device_file = GetDeviceInfoPath(iface_name, kInterfaceDevice); 3198f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le FilePath device_path; 3208f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le if (!file_util::ReadSymbolicLink(device_file, &device_path)) { 321fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan SLOG(Device, 2) << StringPrintf("%s: device %s has no device symlink", 322fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan __func__, iface_name.c_str()); 3238f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le return false; 3248f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le } 3258f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le if (!device_path.IsAbsolute()) { 3268f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le device_path = device_file.DirName().Append(device_path); 3278f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le file_util::AbsolutePath(&device_path); 3288f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le } 3298f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le 3308f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le // Look for tty interface by enumerating all directories under the parent 331b27beee2e85a1ad3d68a1218c8c4fef4214626e8Thieu Le // USB device and see if there's a subdirectory "tty" inside. In other 332b27beee2e85a1ad3d68a1218c8c4fef4214626e8Thieu Le // words, using the example dir hierarchy above, find 333b27beee2e85a1ad3d68a1218c8c4fef4214626e8Thieu Le // /sys/devices/pci0000:00/0000:00:1d.7/usb1/1-2/.../tty. 3348f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le // If this exists, then this is a modem device. 335b27beee2e85a1ad3d68a1218c8c4fef4214626e8Thieu Le return HasSubdir(device_path.DirName(), FilePath("tty")); 3368f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le} 3378f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le 3388f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le// static 339b27beee2e85a1ad3d68a1218c8c4fef4214626e8Thieu Lebool DeviceInfo::HasSubdir(const FilePath &base_dir, const FilePath &subdir) { 340b27beee2e85a1ad3d68a1218c8c4fef4214626e8Thieu Le file_util::FileEnumerator::FileType type = 341b27beee2e85a1ad3d68a1218c8c4fef4214626e8Thieu Le static_cast<file_util::FileEnumerator::FileType>( 342b27beee2e85a1ad3d68a1218c8c4fef4214626e8Thieu Le file_util::FileEnumerator::DIRECTORIES | 343b27beee2e85a1ad3d68a1218c8c4fef4214626e8Thieu Le file_util::FileEnumerator::SHOW_SYM_LINKS); 344b27beee2e85a1ad3d68a1218c8c4fef4214626e8Thieu Le file_util::FileEnumerator dir_enum(base_dir, true, type); 3458f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le for (FilePath curr_dir = dir_enum.Next(); !curr_dir.empty(); 3468f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le curr_dir = dir_enum.Next()) { 347b27beee2e85a1ad3d68a1218c8c4fef4214626e8Thieu Le if (curr_dir.BaseName() == subdir) 3488f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le return true; 3498f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le } 3508f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le return false; 3518f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le} 3528f1c835d879f82261a08257eb6f9677e6be51fdaThieu Le 3538c116a90d3a3536430b808b15e73275060918434Paul StewartDeviceRefPtr DeviceInfo::CreateDevice(const string &link_name, 3548c116a90d3a3536430b808b15e73275060918434Paul Stewart const string &address, 3558c116a90d3a3536430b808b15e73275060918434Paul Stewart int interface_index, 3568c116a90d3a3536430b808b15e73275060918434Paul Stewart Technology::Identifier technology) { 3578c116a90d3a3536430b808b15e73275060918434Paul Stewart DeviceRefPtr device; 358050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart delayed_devices_.erase(interface_index); 3598c116a90d3a3536430b808b15e73275060918434Paul Stewart 3608c116a90d3a3536430b808b15e73275060918434Paul Stewart switch (technology) { 3618c116a90d3a3536430b808b15e73275060918434Paul Stewart case Technology::kCellular: 3628c116a90d3a3536430b808b15e73275060918434Paul Stewart // Cellular devices are managed by ModemInfo. 3638c116a90d3a3536430b808b15e73275060918434Paul Stewart SLOG(Device, 2) << "Cellular link " << link_name 3648c116a90d3a3536430b808b15e73275060918434Paul Stewart << " at index " << interface_index 3658c116a90d3a3536430b808b15e73275060918434Paul Stewart << " -- notifying ModemInfo."; 366bf74a67a6dec2f438e6826a3f39c4e1100d1f016Gary Morain 367bf74a67a6dec2f438e6826a3f39c4e1100d1f016Gary Morain // The MAC address provided by RTNL is not reliable for Gobi 2K modems. 368bf74a67a6dec2f438e6826a3f39c4e1100d1f016Gary Morain // Clear it here, and it will be fetched from the kernel is 369bf74a67a6dec2f438e6826a3f39c4e1100d1f016Gary Morain // GetMacAddress(). 370bf74a67a6dec2f438e6826a3f39c4e1100d1f016Gary Morain infos_[interface_index].mac_address.Clear(); 3718c116a90d3a3536430b808b15e73275060918434Paul Stewart manager_->modem_info()->OnDeviceInfoAvailable(link_name); 3728c116a90d3a3536430b808b15e73275060918434Paul Stewart break; 3738c116a90d3a3536430b808b15e73275060918434Paul Stewart case Technology::kEthernet: 3748c116a90d3a3536430b808b15e73275060918434Paul Stewart device = new Ethernet(control_interface_, dispatcher_, metrics_, 3758c116a90d3a3536430b808b15e73275060918434Paul Stewart manager_, link_name, address, interface_index); 3768c116a90d3a3536430b808b15e73275060918434Paul Stewart device->EnableIPv6Privacy(); 3778c116a90d3a3536430b808b15e73275060918434Paul Stewart break; 3788c116a90d3a3536430b808b15e73275060918434Paul Stewart case Technology::kVirtioEthernet: 3798c116a90d3a3536430b808b15e73275060918434Paul Stewart device = new VirtioEthernet(control_interface_, dispatcher_, metrics_, 3808c116a90d3a3536430b808b15e73275060918434Paul Stewart manager_, link_name, address, 3818c116a90d3a3536430b808b15e73275060918434Paul Stewart interface_index); 3828c116a90d3a3536430b808b15e73275060918434Paul Stewart device->EnableIPv6Privacy(); 3838c116a90d3a3536430b808b15e73275060918434Paul Stewart break; 3848c116a90d3a3536430b808b15e73275060918434Paul Stewart case Technology::kWifi: 3858c116a90d3a3536430b808b15e73275060918434Paul Stewart device = new WiFi(control_interface_, dispatcher_, metrics_, manager_, 3868c116a90d3a3536430b808b15e73275060918434Paul Stewart link_name, address, interface_index); 3878c116a90d3a3536430b808b15e73275060918434Paul Stewart device->EnableIPv6Privacy(); 3888c116a90d3a3536430b808b15e73275060918434Paul Stewart break; 3894e64d2d72eed1947ab1d15e6ce25a47c37a9e10cBen Chan case Technology::kWiMax: 390e4b270274cba2a1976c7be6c733bd899e009c1d1Darin Petkov // WiMax devices are managed by WiMaxProvider. 391e4b270274cba2a1976c7be6c733bd899e009c1d1Darin Petkov SLOG(Device, 2) << "WiMax link " << link_name 392e4b270274cba2a1976c7be6c733bd899e009c1d1Darin Petkov << " at index " << interface_index 393e4b270274cba2a1976c7be6c733bd899e009c1d1Darin Petkov << " -- notifying WiMaxProvider."; 394e4b270274cba2a1976c7be6c733bd899e009c1d1Darin Petkov manager_->wimax_provider()->OnDeviceInfoAvailable(link_name); 3954e64d2d72eed1947ab1d15e6ce25a47c37a9e10cBen Chan break; 3968c116a90d3a3536430b808b15e73275060918434Paul Stewart case Technology::kPPP: 3978c116a90d3a3536430b808b15e73275060918434Paul Stewart case Technology::kTunnel: 3988c116a90d3a3536430b808b15e73275060918434Paul Stewart // Tunnel and PPP devices are managed by the VPN code (PPP for 3998c116a90d3a3536430b808b15e73275060918434Paul Stewart // l2tpipsec). Notify the VPN Provider of the interface's presence. 4008c116a90d3a3536430b808b15e73275060918434Paul Stewart // Since CreateDevice is only called once in the lifetime of an 4018c116a90d3a3536430b808b15e73275060918434Paul Stewart // interface index, this notification will only occur the first 4028c116a90d3a3536430b808b15e73275060918434Paul Stewart // time the device is seen. 4038c116a90d3a3536430b808b15e73275060918434Paul Stewart SLOG(Device, 2) << "Tunnel / PPP link " << link_name 4048c116a90d3a3536430b808b15e73275060918434Paul Stewart << " at index " << interface_index 4058c116a90d3a3536430b808b15e73275060918434Paul Stewart << " -- notifying VPNProvider."; 4068c116a90d3a3536430b808b15e73275060918434Paul Stewart if (!manager_->vpn_provider()->OnDeviceInfoAvailable(link_name, 4078c116a90d3a3536430b808b15e73275060918434Paul Stewart interface_index) && 4088c116a90d3a3536430b808b15e73275060918434Paul Stewart technology == Technology::kTunnel) { 4098c116a90d3a3536430b808b15e73275060918434Paul Stewart // If VPN does not know anything about this tunnel, it is probably 4108c116a90d3a3536430b808b15e73275060918434Paul Stewart // left over from a previous instance and should not exist. 4118c116a90d3a3536430b808b15e73275060918434Paul Stewart SLOG(Device, 2) << "Tunnel link is unused. Deleting."; 4128c116a90d3a3536430b808b15e73275060918434Paul Stewart DeleteInterface(interface_index); 4138c116a90d3a3536430b808b15e73275060918434Paul Stewart } 4148c116a90d3a3536430b808b15e73275060918434Paul Stewart break; 4158c116a90d3a3536430b808b15e73275060918434Paul Stewart case Technology::kLoopback: 4168c116a90d3a3536430b808b15e73275060918434Paul Stewart // Loopback devices are largely ignored, but we should make sure the 4178c116a90d3a3536430b808b15e73275060918434Paul Stewart // link is enabled. 4188c116a90d3a3536430b808b15e73275060918434Paul Stewart SLOG(Device, 2) << "Bringing up loopback device " << link_name 4198c116a90d3a3536430b808b15e73275060918434Paul Stewart << " at index " << interface_index; 4208c116a90d3a3536430b808b15e73275060918434Paul Stewart rtnl_handler_->SetInterfaceFlags(interface_index, IFF_UP, IFF_UP); 4218c116a90d3a3536430b808b15e73275060918434Paul Stewart return NULL; 422050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart case Technology::kCDCEthernet: 423050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart // CDCEnternet devices are of indeterminate type when they are 424050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart // initially created. Some time later, tty devices may or may 425050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart // not appear under the same USB device root, which will identify 426050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart // it as a modem. Alternatively, ModemManager may discover the 427050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart // device and create and register a Cellular device. In either 428050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart // case, we should delay creating a Device until we can make a 429050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart // better determination of what type this Device should be. 430050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart LOG(INFO) << "Delaying creation of device for " << link_name 431050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart << " at index " << interface_index; 432050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart DelayDeviceCreation(interface_index); 433050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart return NULL; 4348c116a90d3a3536430b808b15e73275060918434Paul Stewart default: 4358c116a90d3a3536430b808b15e73275060918434Paul Stewart // We will not manage this device in shill. Do not create a device 4368c116a90d3a3536430b808b15e73275060918434Paul Stewart // object or do anything to change its state. We create a stub object 4378c116a90d3a3536430b808b15e73275060918434Paul Stewart // which is useful for testing. 4388c116a90d3a3536430b808b15e73275060918434Paul Stewart return new DeviceStub(control_interface_, dispatcher_, metrics_, 4398c116a90d3a3536430b808b15e73275060918434Paul Stewart manager_, link_name, address, interface_index, 4404e64d2d72eed1947ab1d15e6ce25a47c37a9e10cBen Chan technology); 4418c116a90d3a3536430b808b15e73275060918434Paul Stewart } 4428c116a90d3a3536430b808b15e73275060918434Paul Stewart 4438c116a90d3a3536430b808b15e73275060918434Paul Stewart // Reset the routing table and addresses. 4448c116a90d3a3536430b808b15e73275060918434Paul Stewart routing_table_->FlushRoutes(interface_index); 4458c116a90d3a3536430b808b15e73275060918434Paul Stewart FlushAddresses(interface_index); 4468c116a90d3a3536430b808b15e73275060918434Paul Stewart 4478c116a90d3a3536430b808b15e73275060918434Paul Stewart return device; 4488c116a90d3a3536430b808b15e73275060918434Paul Stewart} 4498c116a90d3a3536430b808b15e73275060918434Paul Stewart 4502aa9707f114ab8166f45df5726bf05278df2aef6Chris Masonevoid DeviceInfo::AddLinkMsgHandler(const RTNLMessage &msg) { 4519a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart DCHECK(msg.type() == RTNLMessage::kTypeLink && 4529a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart msg.mode() == RTNLMessage::kModeAdd); 4532aa9707f114ab8166f45df5726bf05278df2aef6Chris Masone int dev_index = msg.interface_index(); 454fdd1607e26db6c10585f7eefa0e02546274ea8f5Paul Stewart Technology::Identifier technology = Technology::kUnknown; 455b50f0b9837c398b8edd5dc568eb01bdcff9a4d65Paul Stewart 456e6193c042652831cac90c3bbf2233877754b1eefDarin Petkov unsigned int flags = msg.link_status().flags; 457e6193c042652831cac90c3bbf2233877754b1eefDarin Petkov unsigned int change = msg.link_status().change; 4588c116a90d3a3536430b808b15e73275060918434Paul Stewart bool new_device = 4598c116a90d3a3536430b808b15e73275060918434Paul Stewart !ContainsKey(infos_, dev_index) || infos_[dev_index].has_addresses_only; 460fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan SLOG(Device, 2) << __func__ << "(index=" << dev_index 461fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan << std::showbase << std::hex 462fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan << ", flags=" << flags << ", change=" << change << ")" 463fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan << std::dec << std::noshowbase 464fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan << ", new_device=" << new_device; 4658c116a90d3a3536430b808b15e73275060918434Paul Stewart infos_[dev_index].has_addresses_only = false; 466e6193c042652831cac90c3bbf2233877754b1eefDarin Petkov infos_[dev_index].flags = flags; 467f1ce5d27adbfcaf9c46e650252b46e02b0d8addaPaul Stewart 4681ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewart RetrieveLinkStatistics(dev_index, msg); 4691ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewart 4706f9eaa30b850ee4a22e71fd1b6ab13c873ec7110Darin Petkov DeviceRefPtr device = GetDevice(dev_index); 4718c116a90d3a3536430b808b15e73275060918434Paul Stewart if (new_device) { 4728c116a90d3a3536430b808b15e73275060918434Paul Stewart CHECK(!device); 4732aa9707f114ab8166f45df5726bf05278df2aef6Chris Masone if (!msg.HasAttribute(IFLA_IFNAME)) { 4742aa9707f114ab8166f45df5726bf05278df2aef6Chris Masone LOG(ERROR) << "Add Link message does not have IFLA_IFNAME!"; 4752aa9707f114ab8166f45df5726bf05278df2aef6Chris Masone return; 476b50f0b9837c398b8edd5dc568eb01bdcff9a4d65Paul Stewart } 4772aa9707f114ab8166f45df5726bf05278df2aef6Chris Masone ByteString b(msg.GetAttribute(IFLA_IFNAME)); 4782aa9707f114ab8166f45df5726bf05278df2aef6Chris Masone string link_name(reinterpret_cast<const char*>(b.GetConstData())); 479fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan SLOG(Device, 2) << "add link index " << dev_index << " name " << link_name; 480f8046b8f975417255baf5cc7cdd025c63aa2f918Darin Petkov infos_[dev_index].name = link_name; 481f8046b8f975417255baf5cc7cdd025c63aa2f918Darin Petkov indices_[link_name] = dev_index; 482a3c56f9f49e6c72ff55cc1224cccd60538e9b788Paul Stewart 4832aa9707f114ab8166f45df5726bf05278df2aef6Chris Masone if (!link_name.empty()) { 4848f317b600a218afe05f2d73c59204bb98269a950mukesh agrawal if (ContainsKey(black_list_, link_name)) { 485fdd1607e26db6c10585f7eefa0e02546274ea8f5Paul Stewart technology = Technology::kBlacklisted; 4868f317b600a218afe05f2d73c59204bb98269a950mukesh agrawal } else { 4878f317b600a218afe05f2d73c59204bb98269a950mukesh agrawal technology = GetDeviceTechnology(link_name); 4888f317b600a218afe05f2d73c59204bb98269a950mukesh agrawal } 489633ac6f0d56a62f8fd21ba7d9a15818fe080fb2fDarin Petkov } 490cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart string address; 491cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart if (msg.HasAttribute(IFLA_ADDRESS)) { 492cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart infos_[dev_index].mac_address = msg.GetAttribute(IFLA_ADDRESS); 493cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart address = StringToLowerASCII(infos_[dev_index].mac_address.HexEncode()); 494fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan SLOG(Device, 2) << "link index " << dev_index << " address " 495fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan << infos_[dev_index].mac_address.HexEncode(); 496ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul Stewart } else if (technology != Technology::kTunnel && 497ca876ee6b11b38a3df7a8ab03efe9ed0bcab41d8Paul Stewart technology != Technology::kPPP) { 498cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart LOG(ERROR) << "Add Link message does not have IFLA_ADDRESS!"; 499cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart return; 500cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart } 5018c116a90d3a3536430b808b15e73275060918434Paul Stewart device = CreateDevice(link_name, address, dev_index, technology); 5028c116a90d3a3536430b808b15e73275060918434Paul Stewart if (device) { 5038c116a90d3a3536430b808b15e73275060918434Paul Stewart RegisterDevice(device); 504b50f0b9837c398b8edd5dc568eb01bdcff9a4d65Paul Stewart } 505b50f0b9837c398b8edd5dc568eb01bdcff9a4d65Paul Stewart } 5068c116a90d3a3536430b808b15e73275060918434Paul Stewart if (device) { 5078c116a90d3a3536430b808b15e73275060918434Paul Stewart device->LinkEvent(flags, change); 5088c116a90d3a3536430b808b15e73275060918434Paul Stewart } 509b50f0b9837c398b8edd5dc568eb01bdcff9a4d65Paul Stewart} 510b50f0b9837c398b8edd5dc568eb01bdcff9a4d65Paul Stewart 5112aa9707f114ab8166f45df5726bf05278df2aef6Chris Masonevoid DeviceInfo::DelLinkMsgHandler(const RTNLMessage &msg) { 512fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan SLOG(Device, 2) << __func__ << "(index=" << msg.interface_index() << ")"; 51347009f8d7a6fbc257a1bb1288a01405d034bd13fmukesh agrawal 5149a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart DCHECK(msg.type() == RTNLMessage::kTypeLink && 5159a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart msg.mode() == RTNLMessage::kModeDelete); 516fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan SLOG(Device, 2) << __func__ << "(index=" << msg.interface_index() 517fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan << std::showbase << std::hex 518fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan << ", flags=" << msg.link_status().flags 519fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan << ", change=" << msg.link_status().change << ")"; 520e6193c042652831cac90c3bbf2233877754b1eefDarin Petkov RemoveInfo(msg.interface_index()); 521e6193c042652831cac90c3bbf2233877754b1eefDarin Petkov} 522e6193c042652831cac90c3bbf2233877754b1eefDarin Petkov 523e3e1cfaadc69ea67db55f11e55f404b11a70e354Darin PetkovDeviceRefPtr DeviceInfo::GetDevice(int interface_index) const { 524e3e1cfaadc69ea67db55f11e55f404b11a70e354Darin Petkov const Info *info = GetInfo(interface_index); 525e6193c042652831cac90c3bbf2233877754b1eefDarin Petkov return info ? info->device : NULL; 52667d8ecfd1d6ff5ea75b9d5c7167d9c16891d3d4bDarin Petkov} 527b50f0b9837c398b8edd5dc568eb01bdcff9a4d65Paul Stewart 528f8046b8f975417255baf5cc7cdd025c63aa2f918Darin Petkovint DeviceInfo::GetIndex(const string &interface_name) const { 529f8046b8f975417255baf5cc7cdd025c63aa2f918Darin Petkov map<string, int>::const_iterator it = indices_.find(interface_name); 530f8046b8f975417255baf5cc7cdd025c63aa2f918Darin Petkov return it == indices_.end() ? -1 : it->second; 531f8046b8f975417255baf5cc7cdd025c63aa2f918Darin Petkov} 532f8046b8f975417255baf5cc7cdd025c63aa2f918Darin Petkov 5333285296e6624fa0b1b10699f2fa6466d4be10742Paul Stewartbool DeviceInfo::GetMACAddress(int interface_index, ByteString *address) const { 534e3e1cfaadc69ea67db55f11e55f404b11a70e354Darin Petkov const Info *info = GetInfo(interface_index); 535e3e1cfaadc69ea67db55f11e55f404b11a70e354Darin Petkov if (!info) { 536e3e1cfaadc69ea67db55f11e55f404b11a70e354Darin Petkov return false; 537e3e1cfaadc69ea67db55f11e55f404b11a70e354Darin Petkov } 538bf74a67a6dec2f438e6826a3f39c4e1100d1f016Gary Morain // |mac_address| from RTNL is not used for some devices, in which case it will 539bf74a67a6dec2f438e6826a3f39c4e1100d1f016Gary Morain // be empty here. 540bf74a67a6dec2f438e6826a3f39c4e1100d1f016Gary Morain if (!info->mac_address.IsEmpty()) { 541bf74a67a6dec2f438e6826a3f39c4e1100d1f016Gary Morain *address = info->mac_address; 542bf74a67a6dec2f438e6826a3f39c4e1100d1f016Gary Morain return true; 543bf74a67a6dec2f438e6826a3f39c4e1100d1f016Gary Morain } 544bf74a67a6dec2f438e6826a3f39c4e1100d1f016Gary Morain 545bf74a67a6dec2f438e6826a3f39c4e1100d1f016Gary Morain // Ask the kernel for the MAC address. 546bf74a67a6dec2f438e6826a3f39c4e1100d1f016Gary Morain *address = GetMACAddressFromKernel(interface_index); 547bf74a67a6dec2f438e6826a3f39c4e1100d1f016Gary Morain return !address->IsEmpty(); 548bf74a67a6dec2f438e6826a3f39c4e1100d1f016Gary Morain} 549bf74a67a6dec2f438e6826a3f39c4e1100d1f016Gary Morain 550bf74a67a6dec2f438e6826a3f39c4e1100d1f016Gary MorainByteString DeviceInfo::GetMACAddressFromKernel(int interface_index) const { 551bf74a67a6dec2f438e6826a3f39c4e1100d1f016Gary Morain ByteString mac_address; 552bf74a67a6dec2f438e6826a3f39c4e1100d1f016Gary Morain mac_address.Clear(); 553bf74a67a6dec2f438e6826a3f39c4e1100d1f016Gary Morain // TODO(gmorain): Use ScopedSocketCloser instead. 554bf74a67a6dec2f438e6826a3f39c4e1100d1f016Gary Morain const int fd = socket(PF_INET, SOCK_DGRAM, 0); 555bf74a67a6dec2f438e6826a3f39c4e1100d1f016Gary Morain if (fd < 0) { 556bf74a67a6dec2f438e6826a3f39c4e1100d1f016Gary Morain LOG(ERROR) << __func__ << ": Unable to open socket: " << fd; 557bf74a67a6dec2f438e6826a3f39c4e1100d1f016Gary Morain return mac_address; 558bf74a67a6dec2f438e6826a3f39c4e1100d1f016Gary Morain } 559bf74a67a6dec2f438e6826a3f39c4e1100d1f016Gary Morain struct ifreq ifr; 560bf74a67a6dec2f438e6826a3f39c4e1100d1f016Gary Morain memset(&ifr, 0, sizeof(ifr)); 561bf74a67a6dec2f438e6826a3f39c4e1100d1f016Gary Morain ifr.ifr_ifindex = interface_index; 562bf74a67a6dec2f438e6826a3f39c4e1100d1f016Gary Morain int err = HANDLE_EINTR(ioctl(fd, SIOCGIFNAME, &ifr)); 563bf74a67a6dec2f438e6826a3f39c4e1100d1f016Gary Morain if (err < 0) { 564bf74a67a6dec2f438e6826a3f39c4e1100d1f016Gary Morain LOG(ERROR) << __func__ << ": Unable to read ifname: " << errno; 565bf74a67a6dec2f438e6826a3f39c4e1100d1f016Gary Morain close(fd); 566bf74a67a6dec2f438e6826a3f39c4e1100d1f016Gary Morain return mac_address; 567bf74a67a6dec2f438e6826a3f39c4e1100d1f016Gary Morain } 568bf74a67a6dec2f438e6826a3f39c4e1100d1f016Gary Morain err = HANDLE_EINTR(ioctl(fd, SIOCGIFHWADDR, &ifr)); 569bf74a67a6dec2f438e6826a3f39c4e1100d1f016Gary Morain close(fd); 570bf74a67a6dec2f438e6826a3f39c4e1100d1f016Gary Morain if (err < 0) { 571bf74a67a6dec2f438e6826a3f39c4e1100d1f016Gary Morain LOG(ERROR) << __func__ << ": Unable to read MAC address: " << errno; 572bf74a67a6dec2f438e6826a3f39c4e1100d1f016Gary Morain return mac_address; 573bf74a67a6dec2f438e6826a3f39c4e1100d1f016Gary Morain } 574bf74a67a6dec2f438e6826a3f39c4e1100d1f016Gary Morain mac_address.Resize(IFHWADDRLEN); 575bf74a67a6dec2f438e6826a3f39c4e1100d1f016Gary Morain memcpy(mac_address.GetData(), ifr.ifr_hwaddr.sa_data, IFHWADDRLEN); 576bf74a67a6dec2f438e6826a3f39c4e1100d1f016Gary Morain return mac_address; 577e3e1cfaadc69ea67db55f11e55f404b11a70e354Darin Petkov} 578e3e1cfaadc69ea67db55f11e55f404b11a70e354Darin Petkov 5799a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewartbool DeviceInfo::GetAddresses(int interface_index, 5809a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart vector<AddressData> *addresses) const { 5819a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart const Info *info = GetInfo(interface_index); 5829a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart if (!info) { 5839a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart return false; 5849a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart } 5859a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart *addresses = info->ip_addresses; 5869a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart return true; 5879a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart} 5889a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart 5899a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewartvoid DeviceInfo::FlushAddresses(int interface_index) const { 590fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan SLOG(Device, 2) << __func__ << "(" << interface_index << ")"; 5919a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart const Info *info = GetInfo(interface_index); 5929a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart if (!info) { 5939a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart return; 5949a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart } 5959a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart const vector<AddressData> &addresses = info->ip_addresses; 5969a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart vector<AddressData>::const_iterator iter; 5979a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart for (iter = addresses.begin(); iter != addresses.end(); ++iter) { 5987355ce1937c504d836a303ac809bd436272212b3Paul Stewart if (iter->address.family() == IPAddress::kFamilyIPv4 || 5999a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart (iter->scope == RT_SCOPE_UNIVERSE && 6009a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart (iter->flags & ~IFA_F_TEMPORARY) == 0)) { 6018c116a90d3a3536430b808b15e73275060918434Paul Stewart SLOG(Device, 2) << __func__ << ": removing ip address " 6028c116a90d3a3536430b808b15e73275060918434Paul Stewart << iter->address.ToString() 6038c116a90d3a3536430b808b15e73275060918434Paul Stewart << " from interface " << interface_index; 6049a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart rtnl_handler_->RemoveInterfaceAddress(interface_index, iter->address); 6059a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart } 6069a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart } 6079a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart} 6089a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart 60905a42c23f1d37daa8689fc4240034e62ed89f8fcPaul Stewartbool DeviceInfo::HasOtherAddress( 61005a42c23f1d37daa8689fc4240034e62ed89f8fcPaul Stewart int interface_index, const IPAddress &this_address) const { 61105a42c23f1d37daa8689fc4240034e62ed89f8fcPaul Stewart SLOG(Device, 3) << __func__ << "(" << interface_index << ")"; 61205a42c23f1d37daa8689fc4240034e62ed89f8fcPaul Stewart const Info *info = GetInfo(interface_index); 61305a42c23f1d37daa8689fc4240034e62ed89f8fcPaul Stewart if (!info) { 61405a42c23f1d37daa8689fc4240034e62ed89f8fcPaul Stewart return false; 61505a42c23f1d37daa8689fc4240034e62ed89f8fcPaul Stewart } 61605a42c23f1d37daa8689fc4240034e62ed89f8fcPaul Stewart const vector<AddressData> &addresses = info->ip_addresses; 61705a42c23f1d37daa8689fc4240034e62ed89f8fcPaul Stewart vector<AddressData>::const_iterator iter; 61805a42c23f1d37daa8689fc4240034e62ed89f8fcPaul Stewart bool has_other_address = false; 61905a42c23f1d37daa8689fc4240034e62ed89f8fcPaul Stewart bool has_this_address = false; 62005a42c23f1d37daa8689fc4240034e62ed89f8fcPaul Stewart for (iter = addresses.begin(); iter != addresses.end(); ++iter) { 62105a42c23f1d37daa8689fc4240034e62ed89f8fcPaul Stewart if (iter->address.family() != this_address.family()) { 62205a42c23f1d37daa8689fc4240034e62ed89f8fcPaul Stewart continue; 62305a42c23f1d37daa8689fc4240034e62ed89f8fcPaul Stewart } 62405a42c23f1d37daa8689fc4240034e62ed89f8fcPaul Stewart if (iter->address.address().Equals(this_address.address())) { 62505a42c23f1d37daa8689fc4240034e62ed89f8fcPaul Stewart has_this_address = true; 62605a42c23f1d37daa8689fc4240034e62ed89f8fcPaul Stewart } else if (this_address.family() == IPAddress::kFamilyIPv4) { 62705a42c23f1d37daa8689fc4240034e62ed89f8fcPaul Stewart has_other_address = true; 62805a42c23f1d37daa8689fc4240034e62ed89f8fcPaul Stewart } else if ((iter->scope == RT_SCOPE_UNIVERSE && 62905a42c23f1d37daa8689fc4240034e62ed89f8fcPaul Stewart (iter->flags & IFA_F_TEMPORARY) == 0)) { 63005a42c23f1d37daa8689fc4240034e62ed89f8fcPaul Stewart has_other_address = true; 63105a42c23f1d37daa8689fc4240034e62ed89f8fcPaul Stewart } 63205a42c23f1d37daa8689fc4240034e62ed89f8fcPaul Stewart } 63305a42c23f1d37daa8689fc4240034e62ed89f8fcPaul Stewart return has_other_address && !has_this_address; 63405a42c23f1d37daa8689fc4240034e62ed89f8fcPaul Stewart} 63505a42c23f1d37daa8689fc4240034e62ed89f8fcPaul Stewart 636e3e1cfaadc69ea67db55f11e55f404b11a70e354Darin Petkovbool DeviceInfo::GetFlags(int interface_index, unsigned int *flags) const { 637e3e1cfaadc69ea67db55f11e55f404b11a70e354Darin Petkov const Info *info = GetInfo(interface_index); 638e6193c042652831cac90c3bbf2233877754b1eefDarin Petkov if (!info) { 639e6193c042652831cac90c3bbf2233877754b1eefDarin Petkov return false; 640e6193c042652831cac90c3bbf2233877754b1eefDarin Petkov } 641e6193c042652831cac90c3bbf2233877754b1eefDarin Petkov *flags = info->flags; 642e6193c042652831cac90c3bbf2233877754b1eefDarin Petkov return true; 643e6193c042652831cac90c3bbf2233877754b1eefDarin Petkov} 644e6193c042652831cac90c3bbf2233877754b1eefDarin Petkov 6451ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewartbool DeviceInfo::GetByteCounts(int interface_index, 6461ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewart uint64 *rx_bytes, 6471ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewart uint64 *tx_bytes) const { 6481ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewart const Info *info = GetInfo(interface_index); 6491ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewart if (!info) { 6501ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewart return false; 6511ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewart } 6521ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewart *rx_bytes = info->rx_bytes; 6531ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewart *tx_bytes = info->tx_bytes; 6541ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewart return true; 6551ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewart} 6561ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewart 657ca6abd4635507fa5b8f4b8819a37819fb560c464Paul Stewartbool DeviceInfo::CreateTunnelInterface(string *interface_name) const { 658cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart int fd = HANDLE_EINTR(open(kTunDeviceName, O_RDWR)); 659cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart if (fd < 0) { 660cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart PLOG(ERROR) << "failed to open " << kTunDeviceName; 661cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart return false; 662cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart } 663cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart file_util::ScopedFD scoped_fd(&fd); 664cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart 665cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart struct ifreq ifr; 666cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart memset(&ifr, 0, sizeof(ifr)); 667cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart ifr.ifr_flags = IFF_TUN | IFF_NO_PI; 668cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart if (HANDLE_EINTR(ioctl(fd, TUNSETIFF, &ifr))) { 669cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart PLOG(ERROR) << "failed to create tunnel interface"; 670cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart return false; 671cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart } 672cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart 673cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart if (HANDLE_EINTR(ioctl(fd, TUNSETPERSIST, 1))) { 674cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart PLOG(ERROR) << "failed to set tunnel interface to be persistent"; 675cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart return false; 676cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart } 677cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart 678cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart *interface_name = string(ifr.ifr_name); 679cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart 680cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart return true; 681cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart} 682cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart 683ca6abd4635507fa5b8f4b8819a37819fb560c464Paul Stewartbool DeviceInfo::DeleteInterface(int interface_index) const { 684cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart return rtnl_handler_->RemoveInterface(interface_index); 685cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart} 686cba0f7f604b28b1fe85a16b16b0731860dfff753Paul Stewart 687e3e1cfaadc69ea67db55f11e55f404b11a70e354Darin Petkovconst DeviceInfo::Info *DeviceInfo::GetInfo(int interface_index) const { 688e3e1cfaadc69ea67db55f11e55f404b11a70e354Darin Petkov map<int, Info>::const_iterator iter = infos_.find(interface_index); 689e6193c042652831cac90c3bbf2233877754b1eefDarin Petkov if (iter == infos_.end()) { 690e6193c042652831cac90c3bbf2233877754b1eefDarin Petkov return NULL; 691e6193c042652831cac90c3bbf2233877754b1eefDarin Petkov } 692e6193c042652831cac90c3bbf2233877754b1eefDarin Petkov return &iter->second; 693e6193c042652831cac90c3bbf2233877754b1eefDarin Petkov} 694e6193c042652831cac90c3bbf2233877754b1eefDarin Petkov 695e6193c042652831cac90c3bbf2233877754b1eefDarin Petkovvoid DeviceInfo::RemoveInfo(int interface_index) { 696e6193c042652831cac90c3bbf2233877754b1eefDarin Petkov map<int, Info>::iterator iter = infos_.find(interface_index); 697e6193c042652831cac90c3bbf2233877754b1eefDarin Petkov if (iter != infos_.end()) { 698fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan SLOG(Device, 2) << "Removing info for device index: " << interface_index; 699e6193c042652831cac90c3bbf2233877754b1eefDarin Petkov if (iter->second.device.get()) { 700e6193c042652831cac90c3bbf2233877754b1eefDarin Petkov manager_->DeregisterDevice(iter->second.device); 701e6193c042652831cac90c3bbf2233877754b1eefDarin Petkov } 702f8046b8f975417255baf5cc7cdd025c63aa2f918Darin Petkov indices_.erase(iter->second.name); 703e6193c042652831cac90c3bbf2233877754b1eefDarin Petkov infos_.erase(iter); 704050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart delayed_devices_.erase(interface_index); 70547009f8d7a6fbc257a1bb1288a01405d034bd13fmukesh agrawal } else { 706fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan SLOG(Device, 2) << __func__ << ": Unknown device index: " 707fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan << interface_index; 708b50f0b9837c398b8edd5dc568eb01bdcff9a4d65Paul Stewart } 7090af98bf87e8fc3cf29293f62d7f3b73cd9adb571Paul Stewart} 7100af98bf87e8fc3cf29293f62d7f3b73cd9adb571Paul Stewart 7112aa9707f114ab8166f45df5726bf05278df2aef6Chris Masonevoid DeviceInfo::LinkMsgHandler(const RTNLMessage &msg) { 7129a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart DCHECK(msg.type() == RTNLMessage::kTypeLink); 7139a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart if (msg.mode() == RTNLMessage::kModeAdd) { 7142aa9707f114ab8166f45df5726bf05278df2aef6Chris Masone AddLinkMsgHandler(msg); 7159a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart } else if (msg.mode() == RTNLMessage::kModeDelete) { 7162aa9707f114ab8166f45df5726bf05278df2aef6Chris Masone DelLinkMsgHandler(msg); 7172aa9707f114ab8166f45df5726bf05278df2aef6Chris Masone } else { 7182aa9707f114ab8166f45df5726bf05278df2aef6Chris Masone NOTREACHED(); 719b50f0b9837c398b8edd5dc568eb01bdcff9a4d65Paul Stewart } 7200af98bf87e8fc3cf29293f62d7f3b73cd9adb571Paul Stewart} 7210af98bf87e8fc3cf29293f62d7f3b73cd9adb571Paul Stewart 7229a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewartvoid DeviceInfo::AddressMsgHandler(const RTNLMessage &msg) { 723fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan SLOG(Device, 2) << __func__; 7249a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart DCHECK(msg.type() == RTNLMessage::kTypeAddress); 7259a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart int interface_index = msg.interface_index(); 7269a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart if (!ContainsKey(infos_, interface_index)) { 7278c116a90d3a3536430b808b15e73275060918434Paul Stewart SLOG(Device, 2) << "Got advance address information for unknown index " 7288c116a90d3a3536430b808b15e73275060918434Paul Stewart << interface_index; 7298c116a90d3a3536430b808b15e73275060918434Paul Stewart infos_[interface_index].has_addresses_only = true; 7309a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart } 7319a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart const RTNLMessage::AddressStatus &status = msg.address_status(); 7329a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart IPAddress address(msg.family(), 733682c5d4738cbdffc1ec88573a4a339840cc4fb25Ben Chan msg.HasAttribute(IFA_LOCAL) ? 734682c5d4738cbdffc1ec88573a4a339840cc4fb25Ben Chan msg.GetAttribute(IFA_LOCAL) : msg.GetAttribute(IFA_ADDRESS), 7359a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart status.prefix_len); 7369a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart 737682c5d4738cbdffc1ec88573a4a339840cc4fb25Ben Chan SLOG_IF(Device, 2, msg.HasAttribute(IFA_LOCAL)) 738682c5d4738cbdffc1ec88573a4a339840cc4fb25Ben Chan << "Found local address attribute for interface " << interface_index; 739682c5d4738cbdffc1ec88573a4a339840cc4fb25Ben Chan 7409a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart vector<AddressData> &address_list = infos_[interface_index].ip_addresses; 7419a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart vector<AddressData>::iterator iter; 7429a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart for (iter = address_list.begin(); iter != address_list.end(); ++iter) { 7439a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart if (address.Equals(iter->address)) { 7449a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart break; 7459a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart } 7469a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart } 7479a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart if (iter != address_list.end()) { 7489a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart if (msg.mode() == RTNLMessage::kModeDelete) { 749fad4a0b7e55dd82d3815ee96862b6e546727eb6eBen Chan SLOG(Device, 2) << "Delete address for interface " << interface_index; 7509a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart address_list.erase(iter); 7519a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart } else { 7529a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart iter->flags = status.flags; 7539a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart iter->scope = status.scope; 7549a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart } 7559a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart } else if (msg.mode() == RTNLMessage::kModeAdd) { 7569a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart address_list.push_back(AddressData(address, status.flags, status.scope)); 7578c116a90d3a3536430b808b15e73275060918434Paul Stewart SLOG(Device, 2) << "Add address " << address.ToString() 7588c116a90d3a3536430b808b15e73275060918434Paul Stewart << " for interface " << interface_index; 7599a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart } 7609a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart} 7619a908080fc2a72dbf06f995b878fc8a3693b725aPaul Stewart 762050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewartvoid DeviceInfo::DelayDeviceCreation(int interface_index) { 763050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart delayed_devices_.insert(interface_index); 764050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart delayed_devices_callback_.Reset( 765050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart Bind(&DeviceInfo::DelayedDeviceCreationTask, AsWeakPtr())); 766050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart dispatcher_->PostDelayedTask(delayed_devices_callback_.callback(), 767050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart kDelayedDeviceCreationSeconds * 1000); 768050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart} 769050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart 770050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart// Re-evaluate the technology type for each delayed device. 771050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewartvoid DeviceInfo::DelayedDeviceCreationTask() { 772050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart while (!delayed_devices_.empty()) { 773050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart set<int>::iterator it = delayed_devices_.begin(); 774050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart int dev_index = *it; 775050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart delayed_devices_.erase(it); 776050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart 777050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart DCHECK(ContainsKey(infos_, dev_index)); 778050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart DCHECK(!GetDevice(dev_index)); 779050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart 780050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart const string &link_name = infos_[dev_index].name; 781050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart Technology::Identifier technology = GetDeviceTechnology(link_name); 782050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart 783050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart if (technology == Technology::kCDCEthernet) { 784050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart LOG(INFO) << "In " << __func__ << ": device " << link_name 785050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart << " is now assumed to be regular Ethernet."; 786050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart technology = Technology::kEthernet; 787050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart } else if (technology != Technology::kCellular) { 788050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart LOG(WARNING) << "In " << __func__ << ": device " << link_name 789050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart << " is unexpected technology " 790050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart << Technology::NameFromIdentifier(technology); 791050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart } 792050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart string address = 793050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart StringToLowerASCII(infos_[dev_index].mac_address.HexEncode()); 794050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart DCHECK(!address.empty()); 795050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart 796050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart DeviceRefPtr device = CreateDevice(link_name, address, dev_index, 797050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart technology); 798050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart if (device) { 799050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart RegisterDevice(device); 800050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart } 801050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart } 802050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart} 803050cfc068fda2bd77df2ba08f7b2897bf0e0a6e0Paul Stewart 8041ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewartvoid DeviceInfo::RetrieveLinkStatistics(int interface_index, 8051ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewart const RTNLMessage &msg) { 8061ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewart if (!msg.HasAttribute(IFLA_STATS64)) { 8071ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewart return; 8081ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewart } 8091ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewart ByteString stats_bytes(msg.GetAttribute(IFLA_STATS64)); 8101ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewart struct rtnl_link_stats64 stats; 8111ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewart if (stats_bytes.GetLength() < sizeof(stats)) { 8121ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewart LOG(WARNING) << "Link statistics size is too small: " 8131ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewart << stats_bytes.GetLength() << " < " << sizeof(stats); 8141ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewart return; 8151ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewart } 8161ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewart 8171ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewart memcpy(&stats, stats_bytes.GetConstData(), sizeof(stats)); 8181ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewart SLOG(Device, 2) << "Link statistics for " 8191ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewart << " interface index " << interface_index << ": " 8201ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewart << "receive: " << stats.rx_bytes << "; " 8211ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewart << "transmit: " << stats.tx_bytes << "."; 8221ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewart infos_[interface_index].rx_bytes = stats.rx_bytes; 8231ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewart infos_[interface_index].tx_bytes = stats.tx_bytes; 8241ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewart} 8251ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewart 8261ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewartvoid DeviceInfo::RequestLinkStatistics() { 8271ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewart rtnl_handler_->RequestDump(RTNLHandler::kRequestLink); 8281ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewart dispatcher_->PostDelayedTask(request_link_statistics_callback_.callback(), 8291ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewart kRequestLinkStatisticsIntervalSeconds * 1000); 8301ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewart} 8311ac4e84148e03752d99aecea4f743abb094f28b0Paul Stewart 8320af98bf87e8fc3cf29293f62d7f3b73cd9adb571Paul Stewart} // namespace shill 833