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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "mojo/system/message_pipe_test_utils.h" | |
| 6 | |
| 7 #include "base/bind.h" | |
| 8 #include "base/threading/platform_thread.h" // For |Sleep()|. | |
| 9 #include "mojo/system/channel.h" | |
| 10 #include "mojo/system/channel_endpoint.h" | |
| 11 #include "mojo/system/message_pipe.h" | |
| 12 #include "mojo/system/waiter.h" | |
| 13 | |
| 14 namespace mojo { | |
| 15 namespace system { | |
| 16 namespace test { | |
| 17 | |
| 18 MojoResult WaitIfNecessary(scoped_refptr<MessagePipe> mp, | |
| 19 MojoHandleSignals signals, | |
| 20 HandleSignalsState* signals_state) { | |
| 21 Waiter waiter; | |
| 22 waiter.Init(); | |
| 23 | |
| 24 MojoResult add_result = mp->AddWaiter(0, &waiter, signals, 0, signals_state); | |
| 25 if (add_result != MOJO_RESULT_OK) { | |
| 26 return (add_result == MOJO_RESULT_ALREADY_EXISTS) ? MOJO_RESULT_OK | |
| 27 : add_result; | |
| 28 } | |
| 29 | |
| 30 MojoResult wait_result = waiter.Wait(MOJO_DEADLINE_INDEFINITE, nullptr); | |
| 31 mp->RemoveWaiter(0, &waiter, signals_state); | |
| 32 return wait_result; | |
| 33 } | |
| 34 | |
| 35 ChannelThread::ChannelThread(embedder::PlatformSupport* platform_support) | |
| 36 : platform_support_(platform_support), | |
| 37 test_io_thread_(base::TestIOThread::kManualStart) { | |
| 38 } | |
| 39 | |
| 40 ChannelThread::~ChannelThread() { | |
| 41 Stop(); | |
| 42 } | |
| 43 | |
| 44 void ChannelThread::Start(embedder::ScopedPlatformHandle platform_handle, | |
| 45 scoped_refptr<ChannelEndpoint> channel_endpoint) { | |
| 46 test_io_thread_.Start(); | |
| 47 test_io_thread_.PostTaskAndWait( | |
| 48 FROM_HERE, | |
| 49 base::Bind(&ChannelThread::InitChannelOnIOThread, | |
| 50 base::Unretained(this), | |
| 51 base::Passed(&platform_handle), | |
| 52 channel_endpoint)); | |
| 53 } | |
| 54 | |
| 55 void ChannelThread::Stop() { | |
| 56 if (channel_.get()) { | |
| 57 // Hack to flush write buffers before quitting. | |
| 58 // TODO(vtl): Remove this once |Channel| has a | |
| 59 // |FlushWriteBufferAndShutdown()| (or whatever). | |
| 60 while (!channel_->IsWriteBufferEmpty()) | |
| 61 base::PlatformThread::Sleep(base::TimeDelta::FromMilliseconds(20)); | |
| 62 | |
| 63 test_io_thread_.PostTaskAndWait( | |
| 64 FROM_HERE, | |
| 65 base::Bind(&ChannelThread::ShutdownChannelOnIOThread, | |
| 66 base::Unretained(this))); | |
| 67 } | |
| 68 test_io_thread_.Stop(); | |
| 69 } | |
| 70 | |
| 71 void ChannelThread::InitChannelOnIOThread( | |
| 72 embedder::ScopedPlatformHandle platform_handle, | |
| 73 scoped_refptr<ChannelEndpoint> channel_endpoint) { | |
| 74 CHECK_EQ(base::MessageLoop::current(), test_io_thread_.message_loop()); | |
| 75 CHECK(platform_handle.is_valid()); | |
| 76 | |
| 77 // Create and initialize |Channel|. | |
| 78 channel_ = new Channel(platform_support_); | |
| 79 CHECK(channel_->Init(RawChannel::Create(platform_handle.Pass()))); | |
| 80 | |
| 81 // Attach the message pipe endpoint. | |
| 82 // Note: On the "server" (parent process) side, we need not attach the | |
| 83 // message pipe endpoint immediately. However, on the "client" (child | |
| 84 // process) side, this *must* be done here -- otherwise, the |Channel| may | |
| 85 // receive/process messages (which it can do as soon as it's hooked up to | |
| 86 // the IO thread message loop, and that message loop runs) before the | |
| 87 // message pipe endpoint is attached. | |
| 88 CHECK_EQ(channel_->AttachEndpoint(channel_endpoint), | |
| 89 Channel::kBootstrapEndpointId); | |
| 90 CHECK(channel_->RunMessagePipeEndpoint(Channel::kBootstrapEndpointId, | |
| 91 Channel::kBootstrapEndpointId)); | |
| 92 } | |
| 93 | |
| 94 void ChannelThread::ShutdownChannelOnIOThread() { | |
| 95 CHECK(channel_.get()); | |
| 96 channel_->Shutdown(); | |
| 97 channel_ = nullptr; | |
| 98 } | |
| 99 | |
| 100 #if !defined(OS_IOS) | |
| 101 MultiprocessMessagePipeTestBase::MultiprocessMessagePipeTestBase() | |
| 102 : channel_thread_(&platform_support_) { | |
| 103 } | |
| 104 | |
| 105 MultiprocessMessagePipeTestBase::~MultiprocessMessagePipeTestBase() { | |
| 106 } | |
| 107 | |
| 108 void MultiprocessMessagePipeTestBase::Init(scoped_refptr<ChannelEndpoint> ep) { | |
| 109 channel_thread_.Start(helper_.server_platform_handle.Pass(), ep); | |
| 110 } | |
| 111 #endif | |
| 112 | |
| 113 } // namespace test | |
| 114 } // namespace system | |
| 115 } // namespace mojo | |
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Chromium Code Reviews
Issue 621153003:
Move mojo edk into mojo/edk (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master