15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 57d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles)#include "base/message_loop/message_pump_libevent.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <unistd.h> 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 95c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu#include "base/bind.h" 107d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles)#include "base/message_loop/message_loop.h" 112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/posix/eintr_wrapper.h" 125c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu#include "base/run_loop.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/threading/thread.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "testing/gtest/include/gtest/gtest.h" 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "third_party/libevent/event.h" 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace base { 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class MessagePumpLibeventTest : public testing::Test { 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) protected: 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MessagePumpLibeventTest() 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : ui_loop_(MessageLoop::TYPE_UI), 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) io_thread_("MessagePumpLibeventTestIOThread") {} 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~MessagePumpLibeventTest() {} 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void SetUp() OVERRIDE { 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Thread::Options options(MessageLoop::TYPE_IO, 0); 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASSERT_TRUE(io_thread_.StartWithOptions(options)); 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASSERT_EQ(MessageLoop::TYPE_IO, io_thread_.message_loop()->type()); 302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) int ret = pipe(pipefds_); 312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ASSERT_EQ(0, ret); 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void TearDown() OVERRIDE { 35a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) if (IGNORE_EINTR(close(pipefds_[0])) < 0) 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PLOG(ERROR) << "close"; 37a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) if (IGNORE_EINTR(close(pipefds_[1])) < 0) 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PLOG(ERROR) << "close"; 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MessageLoop* ui_loop() { return &ui_loop_; } 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MessageLoopForIO* io_loop() const { 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return static_cast<MessageLoopForIO*>(io_thread_.message_loop()); 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void OnLibeventNotification( 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MessagePumpLibevent* pump, 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MessagePumpLibevent::FileDescriptorWatcher* controller) { 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pump->OnLibeventNotification(0, EV_WRITE | EV_READ, controller); 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) int pipefds_[2]; 532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) private: 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MessageLoop ui_loop_; 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Thread io_thread_; 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Concrete implementation of MessagePumpLibevent::Watcher that does 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// nothing useful. 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class StupidWatcher : public MessagePumpLibevent::Watcher { 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~StupidWatcher() {} 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // base:MessagePumpLibevent::Watcher interface 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void OnFileCanReadWithoutBlocking(int fd) OVERRIDE {} 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void OnFileCanWriteWithoutBlocking(int fd) OVERRIDE {} 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if GTEST_HAS_DEATH_TEST && !defined(NDEBUG) 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Test to make sure that we catch calling WatchFileDescriptor off of the 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// wrong thread. 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)TEST_F(MessagePumpLibeventTest, TestWatchingFromBadThread) { 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MessagePumpLibevent::FileDescriptorWatcher watcher; 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) StupidWatcher delegate; 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ASSERT_DEATH(io_loop()->WatchFileDescriptor( 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) STDOUT_FILENO, false, MessageLoopForIO::WATCH_READ, &watcher, &delegate), 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "Check failed: " 835d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) "watch_file_descriptor_caller_checker_.CalledOnValidThread\\(\\)"); 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 865c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo LiuTEST_F(MessagePumpLibeventTest, QuitOutsideOfRun) { 875c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu scoped_ptr<MessagePumpLibevent> pump(new MessagePumpLibevent); 885c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu ASSERT_DEATH(pump->Quit(), "Check failed: in_run_. " 895c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu "Quit was called outside of Run!"); 905c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu} 915c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // GTEST_HAS_DEATH_TEST && !defined(NDEBUG) 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class BaseWatcher : public MessagePumpLibevent::Watcher { 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) explicit BaseWatcher(MessagePumpLibevent::FileDescriptorWatcher* controller) 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : controller_(controller) { 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(controller_); 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~BaseWatcher() {} 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // base:MessagePumpLibevent::Watcher interface 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void OnFileCanReadWithoutBlocking(int /* fd */) OVERRIDE { 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void OnFileCanWriteWithoutBlocking(int /* fd */) OVERRIDE { 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) protected: 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MessagePumpLibevent::FileDescriptorWatcher* controller_; 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class DeleteWatcher : public BaseWatcher { 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) explicit DeleteWatcher( 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MessagePumpLibevent::FileDescriptorWatcher* controller) 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : BaseWatcher(controller) {} 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~DeleteWatcher() { 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(!controller_); 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void OnFileCanWriteWithoutBlocking(int /* fd */) OVERRIDE { 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(controller_); 1275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delete controller_; 1285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) controller_ = NULL; 1295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 1315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)TEST_F(MessagePumpLibeventTest, DeleteWatcher) { 133ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch scoped_ptr<MessagePumpLibevent> pump(new MessagePumpLibevent); 1345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MessagePumpLibevent::FileDescriptorWatcher* watcher = 1355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new MessagePumpLibevent::FileDescriptorWatcher; 1365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DeleteWatcher delegate(watcher); 1375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pump->WatchFileDescriptor(pipefds_[1], 1385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) false, MessagePumpLibevent::WATCH_READ_WRITE, watcher, &delegate); 1395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Spoof a libevent notification. 141868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) OnLibeventNotification(pump.get(), watcher); 1425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class StopWatcher : public BaseWatcher { 1455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 1465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) explicit StopWatcher( 1475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MessagePumpLibevent::FileDescriptorWatcher* controller) 1485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : BaseWatcher(controller) {} 1495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~StopWatcher() {} 1515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void OnFileCanWriteWithoutBlocking(int /* fd */) OVERRIDE { 1535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) controller_->StopWatchingFileDescriptor(); 1545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 1565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)TEST_F(MessagePumpLibeventTest, StopWatcher) { 158ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch scoped_ptr<MessagePumpLibevent> pump(new MessagePumpLibevent); 1595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MessagePumpLibevent::FileDescriptorWatcher watcher; 1605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) StopWatcher delegate(&watcher); 1615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pump->WatchFileDescriptor(pipefds_[1], 1625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) false, MessagePumpLibevent::WATCH_READ_WRITE, &watcher, &delegate); 1635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Spoof a libevent notification. 165868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) OnLibeventNotification(pump.get(), &watcher); 1665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1685c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liuvoid QuitMessageLoopAndStart(const Closure& quit_closure) { 1695c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu quit_closure.Run(); 1705c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu 1715c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu MessageLoop::ScopedNestableTaskAllower allow(MessageLoop::current()); 1725c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu RunLoop runloop; 1735c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu MessageLoop::current()->PostTask(FROM_HERE, runloop.QuitClosure()); 1745c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu runloop.Run(); 1755c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu} 1765c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu 1775c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liuclass NestedPumpWatcher : public MessagePumpLibevent::Watcher { 1785c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu public: 1795c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu NestedPumpWatcher() {} 1805c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu virtual ~NestedPumpWatcher() {} 1815c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu 1825c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu virtual void OnFileCanReadWithoutBlocking(int /* fd */) OVERRIDE { 1835c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu RunLoop runloop; 1845c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu MessageLoop::current()->PostTask(FROM_HERE, Bind(&QuitMessageLoopAndStart, 1855c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu runloop.QuitClosure())); 1865c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu runloop.Run(); 1875c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu } 1885c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu 1895c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu virtual void OnFileCanWriteWithoutBlocking(int /* fd */) OVERRIDE {} 1905c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu}; 1915c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu 1925c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo LiuTEST_F(MessagePumpLibeventTest, NestedPumpWatcher) { 1935c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu scoped_ptr<MessagePumpLibevent> pump(new MessagePumpLibevent); 1945c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu MessagePumpLibevent::FileDescriptorWatcher watcher; 1955c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu NestedPumpWatcher delegate; 1965c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu pump->WatchFileDescriptor(pipefds_[1], 1975c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu false, MessagePumpLibevent::WATCH_READ, &watcher, &delegate); 1985c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu 1995c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu // Spoof a libevent notification. 2005c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu OnLibeventNotification(pump.get(), &watcher); 2015c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu} 2025c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu 2035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace 2045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace base 206