jhorwich@chromium.org | 3c3a813 | 2012-01-12 07:39:54 +0900 | [diff] [blame] | 1 | // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 4 | |
dmaclach@chromium.org | c1d3d42 | 2010-12-20 15:59:23 +0900 | [diff] [blame] | 5 | #include "ipc/ipc_sync_channel.h" |
| 6 | |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 7 | #include <string> |
| 8 | #include <vector> |
| 9 | |
| 10 | #include "base/basictypes.h" |
jhawkins@chromium.org | 9827bd1 | 2011-11-13 06:16:41 +0900 | [diff] [blame] | 11 | #include "base/bind.h" |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 12 | #include "base/logging.h" |
levin@chromium.org | 5c52868 | 2011-03-28 10:54:15 +0900 | [diff] [blame] | 13 | #include "base/memory/scoped_ptr.h" |
avi@chromium.org | a29af56 | 2013-07-18 08:00:30 +0900 | [diff] [blame] | 14 | #include "base/message_loop/message_loop.h" |
rsesek@chromium.org | 1931971 | 2013-07-24 14:15:24 +0900 | [diff] [blame] | 15 | #include "base/process/process_handle.h" |
tfarina@chromium.org | 449e688 | 2013-02-09 05:11:02 +0900 | [diff] [blame] | 16 | #include "base/run_loop.h" |
avi@chromium.org | e7eaf39 | 2013-06-11 15:32:18 +0900 | [diff] [blame] | 17 | #include "base/strings/string_util.h" |
| 18 | #include "base/synchronization/waitable_event.h" |
brettw@google.com | 7c5cc67 | 2011-01-01 11:17:08 +0900 | [diff] [blame] | 19 | #include "base/threading/platform_thread.h" |
brettw@chromium.org | 5b5f5e0 | 2011-01-01 10:01:06 +0900 | [diff] [blame] | 20 | #include "base/threading/thread.h" |
brettw@chromium.org | f947ed0 | 2012-06-12 07:35:26 +0900 | [diff] [blame] | 21 | #include "ipc/ipc_listener.h" |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 22 | #include "ipc/ipc_message.h" |
brettw@chromium.org | f947ed0 | 2012-06-12 07:35:26 +0900 | [diff] [blame] | 23 | #include "ipc/ipc_sender.h" |
jabdelmalek@google.com | eb92165 | 2010-04-07 05:33:36 +0900 | [diff] [blame] | 24 | #include "ipc/ipc_sync_message_filter.h" |
jam@chromium.org | 86a8de1 | 2010-12-09 08:34:16 +0900 | [diff] [blame] | 25 | #include "ipc/ipc_sync_message_unittest.h" |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 26 | #include "testing/gtest/include/gtest/gtest.h" |
| 27 | |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 28 | using base::WaitableEvent; |
kushi.p@gmail.com | 5948bf4 | 2011-05-14 07:42:41 +0900 | [diff] [blame] | 29 | |
tfarina@chromium.org | 449e688 | 2013-02-09 05:11:02 +0900 | [diff] [blame] | 30 | namespace IPC { |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 31 | namespace { |
| 32 | |
| 33 | // Base class for a "process" with listener and IPC threads. |
brettw@chromium.org | f947ed0 | 2012-06-12 07:35:26 +0900 | [diff] [blame] | 34 | class Worker : public Listener, public Sender { |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 35 | public: |
| 36 | // Will create a channel without a name. |
| 37 | Worker(Channel::Mode mode, const std::string& thread_name) |
| 38 | : done_(new WaitableEvent(false, false)), |
| 39 | channel_created_(new WaitableEvent(false, false)), |
| 40 | mode_(mode), |
| 41 | ipc_thread_((thread_name + "_ipc").c_str()), |
| 42 | listener_thread_((thread_name + "_listener").c_str()), |
| 43 | overrided_thread_(NULL), |
viettrungluu@chromium.org | 42575b0 | 2013-01-08 15:09:07 +0900 | [diff] [blame] | 44 | shutdown_event_(true, false), |
| 45 | is_shutdown_(false) { |
timurrrr@chromium.org | 03100a8 | 2009-10-27 20:28:58 +0900 | [diff] [blame] | 46 | } |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 47 | |
| 48 | // Will create a named channel and use this name for the threads' name. |
| 49 | Worker(const std::string& channel_name, Channel::Mode mode) |
| 50 | : done_(new WaitableEvent(false, false)), |
| 51 | channel_created_(new WaitableEvent(false, false)), |
| 52 | channel_name_(channel_name), |
| 53 | mode_(mode), |
| 54 | ipc_thread_((channel_name + "_ipc").c_str()), |
| 55 | listener_thread_((channel_name + "_listener").c_str()), |
| 56 | overrided_thread_(NULL), |
viettrungluu@chromium.org | 42575b0 | 2013-01-08 15:09:07 +0900 | [diff] [blame] | 57 | shutdown_event_(true, false), |
| 58 | is_shutdown_(false) { |
timurrrr@chromium.org | 03100a8 | 2009-10-27 20:28:58 +0900 | [diff] [blame] | 59 | } |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 60 | |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 61 | virtual ~Worker() { |
viettrungluu@chromium.org | 42575b0 | 2013-01-08 15:09:07 +0900 | [diff] [blame] | 62 | // Shutdown() must be called before destruction. |
| 63 | CHECK(is_shutdown_); |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 64 | } |
| 65 | void AddRef() { } |
| 66 | void Release() { } |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 67 | virtual bool Send(Message* msg) override { return channel_->Send(msg); } |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 68 | void WaitForChannelCreation() { channel_created_->Wait(); } |
| 69 | void CloseChannel() { |
xhwang@chromium.org | 0b2c2a5 | 2013-05-01 05:55:03 +0900 | [diff] [blame] | 70 | DCHECK(base::MessageLoop::current() == ListenerThread()->message_loop()); |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 71 | channel_->Close(); |
| 72 | } |
| 73 | void Start() { |
xhwang@chromium.org | 0b2c2a5 | 2013-05-01 05:55:03 +0900 | [diff] [blame] | 74 | StartThread(&listener_thread_, base::MessageLoop::TYPE_DEFAULT); |
jhawkins@chromium.org | 9827bd1 | 2011-11-13 06:16:41 +0900 | [diff] [blame] | 75 | ListenerThread()->message_loop()->PostTask( |
| 76 | FROM_HERE, base::Bind(&Worker::OnStart, this)); |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 77 | } |
viettrungluu@chromium.org | 42575b0 | 2013-01-08 15:09:07 +0900 | [diff] [blame] | 78 | void Shutdown() { |
| 79 | // The IPC thread needs to outlive SyncChannel. We can't do this in |
| 80 | // ~Worker(), since that'll reset the vtable pointer (to Worker's), which |
| 81 | // may result in a race conditions. See http://crbug.com/25841. |
| 82 | WaitableEvent listener_done(false, false), ipc_done(false, false); |
| 83 | ListenerThread()->message_loop()->PostTask( |
| 84 | FROM_HERE, base::Bind(&Worker::OnListenerThreadShutdown1, this, |
| 85 | &listener_done, &ipc_done)); |
| 86 | listener_done.Wait(); |
| 87 | ipc_done.Wait(); |
| 88 | ipc_thread_.Stop(); |
| 89 | listener_thread_.Stop(); |
| 90 | is_shutdown_ = true; |
| 91 | } |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 92 | void OverrideThread(base::Thread* overrided_thread) { |
| 93 | DCHECK(overrided_thread_ == NULL); |
| 94 | overrided_thread_ = overrided_thread; |
| 95 | } |
piman@chromium.org | 609a689 | 2014-04-17 01:50:43 +0900 | [diff] [blame] | 96 | bool SendAnswerToLife(bool pump, bool succeed) { |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 97 | int answer = 0; |
| 98 | SyncMessage* msg = new SyncChannelTestMsg_AnswerToLife(&answer); |
| 99 | if (pump) |
| 100 | msg->EnableMessagePumping(); |
piman@chromium.org | 609a689 | 2014-04-17 01:50:43 +0900 | [diff] [blame] | 101 | bool result = Send(msg); |
jam@chromium.org | ebd0718 | 2009-12-01 11:34:18 +0900 | [diff] [blame] | 102 | DCHECK_EQ(result, succeed); |
| 103 | DCHECK_EQ(answer, (succeed ? 42 : 0)); |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 104 | return result; |
| 105 | } |
| 106 | bool SendDouble(bool pump, bool succeed) { |
| 107 | int answer = 0; |
| 108 | SyncMessage* msg = new SyncChannelTestMsg_Double(5, &answer); |
| 109 | if (pump) |
| 110 | msg->EnableMessagePumping(); |
| 111 | bool result = Send(msg); |
jam@chromium.org | ebd0718 | 2009-12-01 11:34:18 +0900 | [diff] [blame] | 112 | DCHECK_EQ(result, succeed); |
| 113 | DCHECK_EQ(answer, (succeed ? 10 : 0)); |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 114 | return result; |
| 115 | } |
kkania@chromium.org | 9ccb469 | 2011-11-16 10:06:46 +0900 | [diff] [blame] | 116 | const std::string& channel_name() { return channel_name_; } |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 117 | Channel::Mode mode() { return mode_; } |
| 118 | WaitableEvent* done_event() { return done_.get(); } |
jabdelmalek@google.com | eb92165 | 2010-04-07 05:33:36 +0900 | [diff] [blame] | 119 | WaitableEvent* shutdown_event() { return &shutdown_event_; } |
jam@chromium.org | ebd0718 | 2009-12-01 11:34:18 +0900 | [diff] [blame] | 120 | void ResetChannel() { channel_.reset(); } |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 121 | // Derived classes need to call this when they've completed their part of |
| 122 | // the test. |
| 123 | void Done() { done_->Signal(); } |
jabdelmalek@google.com | eb92165 | 2010-04-07 05:33:36 +0900 | [diff] [blame] | 124 | |
| 125 | protected: |
kushi.p@gmail.com | 5948bf4 | 2011-05-14 07:42:41 +0900 | [diff] [blame] | 126 | SyncChannel* channel() { return channel_.get(); } |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 127 | // Functions for dervied classes to implement if they wish. |
| 128 | virtual void Run() { } |
| 129 | virtual void OnAnswer(int* answer) { NOTREACHED(); } |
| 130 | virtual void OnAnswerDelay(Message* reply_msg) { |
| 131 | // The message handler map below can only take one entry for |
| 132 | // SyncChannelTestMsg_AnswerToLife, so since some classes want |
| 133 | // the normal version while other want the delayed reply, we |
| 134 | // call the normal version if the derived class didn't override |
| 135 | // this function. |
| 136 | int answer; |
| 137 | OnAnswer(&answer); |
| 138 | SyncChannelTestMsg_AnswerToLife::WriteReplyParams(reply_msg, answer); |
| 139 | Send(reply_msg); |
| 140 | } |
| 141 | virtual void OnDouble(int in, int* out) { NOTREACHED(); } |
| 142 | virtual void OnDoubleDelay(int in, Message* reply_msg) { |
| 143 | int result; |
| 144 | OnDouble(in, &result); |
| 145 | SyncChannelTestMsg_Double::WriteReplyParams(reply_msg, result); |
| 146 | Send(reply_msg); |
| 147 | } |
| 148 | |
ananta@chromium.org | 31b338f | 2009-10-15 01:22:02 +0900 | [diff] [blame] | 149 | virtual void OnNestedTestMsg(Message* reply_msg) { |
| 150 | NOTREACHED(); |
| 151 | } |
| 152 | |
kkania@chromium.org | 9ccb469 | 2011-11-16 10:06:46 +0900 | [diff] [blame] | 153 | virtual SyncChannel* CreateChannel() { |
morrita@chromium.org | 15b4860 | 2014-06-06 01:15:38 +0900 | [diff] [blame] | 154 | scoped_ptr<SyncChannel> channel = SyncChannel::Create( |
| 155 | channel_name_, mode_, this, ipc_thread_.message_loop_proxy().get(), |
| 156 | true, &shutdown_event_); |
| 157 | return channel.release(); |
kkania@chromium.org | 9ccb469 | 2011-11-16 10:06:46 +0900 | [diff] [blame] | 158 | } |
| 159 | |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 160 | base::Thread* ListenerThread() { |
| 161 | return overrided_thread_ ? overrided_thread_ : &listener_thread_; |
| 162 | } |
ananta@chromium.org | 999f297 | 2010-09-03 06:45:50 +0900 | [diff] [blame] | 163 | |
piman@google.com | 0cbefaa | 2011-04-08 12:38:21 +0900 | [diff] [blame] | 164 | const base::Thread& ipc_thread() const { return ipc_thread_; } |
| 165 | |
ananta@chromium.org | 999f297 | 2010-09-03 06:45:50 +0900 | [diff] [blame] | 166 | private: |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 167 | // Called on the listener thread to create the sync channel. |
| 168 | void OnStart() { |
| 169 | // Link ipc_thread_, listener_thread_ and channel_ altogether. |
xhwang@chromium.org | 0b2c2a5 | 2013-05-01 05:55:03 +0900 | [diff] [blame] | 170 | StartThread(&ipc_thread_, base::MessageLoop::TYPE_IO); |
kkania@chromium.org | 9ccb469 | 2011-11-16 10:06:46 +0900 | [diff] [blame] | 171 | channel_.reset(CreateChannel()); |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 172 | channel_created_->Signal(); |
| 173 | Run(); |
| 174 | } |
| 175 | |
| 176 | void OnListenerThreadShutdown1(WaitableEvent* listener_event, |
| 177 | WaitableEvent* ipc_event) { |
| 178 | // SyncChannel needs to be destructed on the thread that it was created on. |
| 179 | channel_.reset(); |
| 180 | |
tfarina@chromium.org | 449e688 | 2013-02-09 05:11:02 +0900 | [diff] [blame] | 181 | base::RunLoop().RunUntilIdle(); |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 182 | |
jhawkins@chromium.org | 9827bd1 | 2011-11-13 06:16:41 +0900 | [diff] [blame] | 183 | ipc_thread_.message_loop()->PostTask( |
| 184 | FROM_HERE, base::Bind(&Worker::OnIPCThreadShutdown, this, |
| 185 | listener_event, ipc_event)); |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 186 | } |
| 187 | |
| 188 | void OnIPCThreadShutdown(WaitableEvent* listener_event, |
| 189 | WaitableEvent* ipc_event) { |
tfarina@chromium.org | 449e688 | 2013-02-09 05:11:02 +0900 | [diff] [blame] | 190 | base::RunLoop().RunUntilIdle(); |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 191 | ipc_event->Signal(); |
| 192 | |
jhawkins@chromium.org | 9827bd1 | 2011-11-13 06:16:41 +0900 | [diff] [blame] | 193 | listener_thread_.message_loop()->PostTask( |
| 194 | FROM_HERE, base::Bind(&Worker::OnListenerThreadShutdown2, this, |
| 195 | listener_event)); |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 196 | } |
| 197 | |
| 198 | void OnListenerThreadShutdown2(WaitableEvent* listener_event) { |
tfarina@chromium.org | 449e688 | 2013-02-09 05:11:02 +0900 | [diff] [blame] | 199 | base::RunLoop().RunUntilIdle(); |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 200 | listener_event->Signal(); |
| 201 | } |
| 202 | |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 203 | virtual bool OnMessageReceived(const Message& message) override { |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 204 | IPC_BEGIN_MESSAGE_MAP(Worker, message) |
| 205 | IPC_MESSAGE_HANDLER_DELAY_REPLY(SyncChannelTestMsg_Double, OnDoubleDelay) |
| 206 | IPC_MESSAGE_HANDLER_DELAY_REPLY(SyncChannelTestMsg_AnswerToLife, |
| 207 | OnAnswerDelay) |
ananta@chromium.org | 31b338f | 2009-10-15 01:22:02 +0900 | [diff] [blame] | 208 | IPC_MESSAGE_HANDLER_DELAY_REPLY(SyncChannelNestedTestMsg_String, |
| 209 | OnNestedTestMsg) |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 210 | IPC_END_MESSAGE_MAP() |
jam@chromium.org | 8a2c784 | 2010-12-24 15:19:28 +0900 | [diff] [blame] | 211 | return true; |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 212 | } |
| 213 | |
xhwang@chromium.org | 0b2c2a5 | 2013-05-01 05:55:03 +0900 | [diff] [blame] | 214 | void StartThread(base::Thread* thread, base::MessageLoop::Type type) { |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 215 | base::Thread::Options options; |
| 216 | options.message_loop_type = type; |
| 217 | thread->StartWithOptions(options); |
| 218 | } |
| 219 | |
| 220 | scoped_ptr<WaitableEvent> done_; |
| 221 | scoped_ptr<WaitableEvent> channel_created_; |
| 222 | std::string channel_name_; |
| 223 | Channel::Mode mode_; |
| 224 | scoped_ptr<SyncChannel> channel_; |
| 225 | base::Thread ipc_thread_; |
| 226 | base::Thread listener_thread_; |
| 227 | base::Thread* overrided_thread_; |
| 228 | |
| 229 | base::WaitableEvent shutdown_event_; |
| 230 | |
viettrungluu@chromium.org | 42575b0 | 2013-01-08 15:09:07 +0900 | [diff] [blame] | 231 | bool is_shutdown_; |
| 232 | |
tfarina@chromium.org | b73eaee | 2010-06-07 11:10:18 +0900 | [diff] [blame] | 233 | DISALLOW_COPY_AND_ASSIGN(Worker); |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 234 | }; |
| 235 | |
| 236 | |
| 237 | // Starts the test with the given workers. This function deletes the workers |
| 238 | // when it's done. |
| 239 | void RunTest(std::vector<Worker*> workers) { |
| 240 | // First we create the workers that are channel servers, or else the other |
| 241 | // workers' channel initialization might fail because the pipe isn't created.. |
| 242 | for (size_t i = 0; i < workers.size(); ++i) { |
dmaclach@chromium.org | f146c29 | 2011-02-04 05:35:09 +0900 | [diff] [blame] | 243 | if (workers[i]->mode() & Channel::MODE_SERVER_FLAG) { |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 244 | workers[i]->Start(); |
| 245 | workers[i]->WaitForChannelCreation(); |
| 246 | } |
| 247 | } |
| 248 | |
| 249 | // now create the clients |
| 250 | for (size_t i = 0; i < workers.size(); ++i) { |
dmaclach@chromium.org | f146c29 | 2011-02-04 05:35:09 +0900 | [diff] [blame] | 251 | if (workers[i]->mode() & Channel::MODE_CLIENT_FLAG) |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 252 | workers[i]->Start(); |
| 253 | } |
| 254 | |
| 255 | // wait for all the workers to finish |
| 256 | for (size_t i = 0; i < workers.size(); ++i) |
| 257 | workers[i]->done_event()->Wait(); |
| 258 | |
viettrungluu@chromium.org | 42575b0 | 2013-01-08 15:09:07 +0900 | [diff] [blame] | 259 | for (size_t i = 0; i < workers.size(); ++i) { |
| 260 | workers[i]->Shutdown(); |
| 261 | delete workers[i]; |
| 262 | } |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 263 | } |
| 264 | |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 265 | class IPCSyncChannelTest : public testing::Test { |
| 266 | private: |
xhwang@chromium.org | 0b2c2a5 | 2013-05-01 05:55:03 +0900 | [diff] [blame] | 267 | base::MessageLoop message_loop_; |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 268 | }; |
| 269 | |
viettrungluu@chromium.org | 7ca1913 | 2013-01-12 05:56:22 +0900 | [diff] [blame] | 270 | //------------------------------------------------------------------------------ |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 271 | |
| 272 | class SimpleServer : public Worker { |
| 273 | public: |
thestig@chromium.org | 60bd7c0 | 2010-07-23 14:23:13 +0900 | [diff] [blame] | 274 | explicit SimpleServer(bool pump_during_send) |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 275 | : Worker(Channel::MODE_SERVER, "simpler_server"), |
| 276 | pump_during_send_(pump_during_send) { } |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 277 | virtual void Run() override { |
piman@chromium.org | 609a689 | 2014-04-17 01:50:43 +0900 | [diff] [blame] | 278 | SendAnswerToLife(pump_during_send_, true); |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 279 | Done(); |
| 280 | } |
| 281 | |
| 282 | bool pump_during_send_; |
| 283 | }; |
| 284 | |
| 285 | class SimpleClient : public Worker { |
| 286 | public: |
| 287 | SimpleClient() : Worker(Channel::MODE_CLIENT, "simple_client") { } |
| 288 | |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 289 | virtual void OnAnswer(int* answer) override { |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 290 | *answer = 42; |
| 291 | Done(); |
| 292 | } |
| 293 | }; |
| 294 | |
| 295 | void Simple(bool pump_during_send) { |
| 296 | std::vector<Worker*> workers; |
| 297 | workers.push_back(new SimpleServer(pump_during_send)); |
| 298 | workers.push_back(new SimpleClient()); |
| 299 | RunTest(workers); |
| 300 | } |
| 301 | |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 302 | // Tests basic synchronous call |
| 303 | TEST_F(IPCSyncChannelTest, Simple) { |
| 304 | Simple(false); |
| 305 | Simple(true); |
| 306 | } |
| 307 | |
viettrungluu@chromium.org | 7ca1913 | 2013-01-12 05:56:22 +0900 | [diff] [blame] | 308 | //------------------------------------------------------------------------------ |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 309 | |
kkania@chromium.org | 9ccb469 | 2011-11-16 10:06:46 +0900 | [diff] [blame] | 310 | // Worker classes which override how the sync channel is created to use the |
| 311 | // two-step initialization (calling the lightweight constructor and then |
| 312 | // ChannelProxy::Init separately) process. |
| 313 | class TwoStepServer : public Worker { |
| 314 | public: |
| 315 | explicit TwoStepServer(bool create_pipe_now) |
| 316 | : Worker(Channel::MODE_SERVER, "simpler_server"), |
| 317 | create_pipe_now_(create_pipe_now) { } |
| 318 | |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 319 | virtual void Run() override { |
piman@chromium.org | 609a689 | 2014-04-17 01:50:43 +0900 | [diff] [blame] | 320 | SendAnswerToLife(false, true); |
kkania@chromium.org | 9ccb469 | 2011-11-16 10:06:46 +0900 | [diff] [blame] | 321 | Done(); |
| 322 | } |
| 323 | |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 324 | virtual SyncChannel* CreateChannel() override { |
morrita@chromium.org | 15b4860 | 2014-06-06 01:15:38 +0900 | [diff] [blame] | 325 | SyncChannel* channel = |
| 326 | SyncChannel::Create(channel_name(), mode(), this, |
| 327 | ipc_thread().message_loop_proxy().get(), |
| 328 | create_pipe_now_, |
| 329 | shutdown_event()).release(); |
kkania@chromium.org | 9ccb469 | 2011-11-16 10:06:46 +0900 | [diff] [blame] | 330 | return channel; |
| 331 | } |
| 332 | |
| 333 | bool create_pipe_now_; |
| 334 | }; |
| 335 | |
| 336 | class TwoStepClient : public Worker { |
| 337 | public: |
| 338 | TwoStepClient(bool create_pipe_now) |
| 339 | : Worker(Channel::MODE_CLIENT, "simple_client"), |
| 340 | create_pipe_now_(create_pipe_now) { } |
| 341 | |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 342 | virtual void OnAnswer(int* answer) override { |
kkania@chromium.org | 9ccb469 | 2011-11-16 10:06:46 +0900 | [diff] [blame] | 343 | *answer = 42; |
| 344 | Done(); |
| 345 | } |
| 346 | |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 347 | virtual SyncChannel* CreateChannel() override { |
morrita@chromium.org | 15b4860 | 2014-06-06 01:15:38 +0900 | [diff] [blame] | 348 | SyncChannel* channel = |
| 349 | SyncChannel::Create(channel_name(), mode(), this, |
| 350 | ipc_thread().message_loop_proxy().get(), |
| 351 | create_pipe_now_, |
| 352 | shutdown_event()).release(); |
kkania@chromium.org | 9ccb469 | 2011-11-16 10:06:46 +0900 | [diff] [blame] | 353 | return channel; |
| 354 | } |
| 355 | |
| 356 | bool create_pipe_now_; |
| 357 | }; |
| 358 | |
| 359 | void TwoStep(bool create_server_pipe_now, bool create_client_pipe_now) { |
| 360 | std::vector<Worker*> workers; |
| 361 | workers.push_back(new TwoStepServer(create_server_pipe_now)); |
| 362 | workers.push_back(new TwoStepClient(create_client_pipe_now)); |
| 363 | RunTest(workers); |
| 364 | } |
| 365 | |
kkania@chromium.org | 9ccb469 | 2011-11-16 10:06:46 +0900 | [diff] [blame] | 366 | // Tests basic two-step initialization, where you call the lightweight |
| 367 | // constructor then Init. |
| 368 | TEST_F(IPCSyncChannelTest, TwoStepInitialization) { |
| 369 | TwoStep(false, false); |
| 370 | TwoStep(false, true); |
| 371 | TwoStep(true, false); |
| 372 | TwoStep(true, true); |
| 373 | } |
| 374 | |
viettrungluu@chromium.org | 7ca1913 | 2013-01-12 05:56:22 +0900 | [diff] [blame] | 375 | //------------------------------------------------------------------------------ |
kkania@chromium.org | 9ccb469 | 2011-11-16 10:06:46 +0900 | [diff] [blame] | 376 | |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 377 | class DelayClient : public Worker { |
| 378 | public: |
| 379 | DelayClient() : Worker(Channel::MODE_CLIENT, "delay_client") { } |
| 380 | |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 381 | virtual void OnAnswerDelay(Message* reply_msg) override { |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 382 | SyncChannelTestMsg_AnswerToLife::WriteReplyParams(reply_msg, 42); |
| 383 | Send(reply_msg); |
| 384 | Done(); |
| 385 | } |
| 386 | }; |
| 387 | |
| 388 | void DelayReply(bool pump_during_send) { |
| 389 | std::vector<Worker*> workers; |
| 390 | workers.push_back(new SimpleServer(pump_during_send)); |
| 391 | workers.push_back(new DelayClient()); |
| 392 | RunTest(workers); |
| 393 | } |
| 394 | |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 395 | // Tests that asynchronous replies work |
| 396 | TEST_F(IPCSyncChannelTest, DelayReply) { |
| 397 | DelayReply(false); |
| 398 | DelayReply(true); |
| 399 | } |
| 400 | |
viettrungluu@chromium.org | 7ca1913 | 2013-01-12 05:56:22 +0900 | [diff] [blame] | 401 | //------------------------------------------------------------------------------ |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 402 | |
| 403 | class NoHangServer : public Worker { |
| 404 | public: |
dilmah@chromium.org | 92b4c8e | 2011-07-27 02:25:25 +0900 | [diff] [blame] | 405 | NoHangServer(WaitableEvent* got_first_reply, bool pump_during_send) |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 406 | : Worker(Channel::MODE_SERVER, "no_hang_server"), |
| 407 | got_first_reply_(got_first_reply), |
| 408 | pump_during_send_(pump_during_send) { } |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 409 | virtual void Run() override { |
piman@chromium.org | 609a689 | 2014-04-17 01:50:43 +0900 | [diff] [blame] | 410 | SendAnswerToLife(pump_during_send_, true); |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 411 | got_first_reply_->Signal(); |
| 412 | |
piman@chromium.org | 609a689 | 2014-04-17 01:50:43 +0900 | [diff] [blame] | 413 | SendAnswerToLife(pump_during_send_, false); |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 414 | Done(); |
| 415 | } |
| 416 | |
| 417 | WaitableEvent* got_first_reply_; |
| 418 | bool pump_during_send_; |
| 419 | }; |
| 420 | |
| 421 | class NoHangClient : public Worker { |
| 422 | public: |
| 423 | explicit NoHangClient(WaitableEvent* got_first_reply) |
| 424 | : Worker(Channel::MODE_CLIENT, "no_hang_client"), |
| 425 | got_first_reply_(got_first_reply) { } |
| 426 | |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 427 | virtual void OnAnswerDelay(Message* reply_msg) override { |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 428 | // Use the DELAY_REPLY macro so that we can force the reply to be sent |
| 429 | // before this function returns (when the channel will be reset). |
| 430 | SyncChannelTestMsg_AnswerToLife::WriteReplyParams(reply_msg, 42); |
| 431 | Send(reply_msg); |
| 432 | got_first_reply_->Wait(); |
| 433 | CloseChannel(); |
| 434 | Done(); |
| 435 | } |
| 436 | |
| 437 | WaitableEvent* got_first_reply_; |
| 438 | }; |
| 439 | |
| 440 | void NoHang(bool pump_during_send) { |
| 441 | WaitableEvent got_first_reply(false, false); |
| 442 | std::vector<Worker*> workers; |
| 443 | workers.push_back(new NoHangServer(&got_first_reply, pump_during_send)); |
| 444 | workers.push_back(new NoHangClient(&got_first_reply)); |
| 445 | RunTest(workers); |
| 446 | } |
| 447 | |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 448 | // Tests that caller doesn't hang if receiver dies |
| 449 | TEST_F(IPCSyncChannelTest, NoHang) { |
| 450 | NoHang(false); |
| 451 | NoHang(true); |
| 452 | } |
| 453 | |
viettrungluu@chromium.org | 7ca1913 | 2013-01-12 05:56:22 +0900 | [diff] [blame] | 454 | //------------------------------------------------------------------------------ |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 455 | |
| 456 | class UnblockServer : public Worker { |
| 457 | public: |
jam@chromium.org | ebd0718 | 2009-12-01 11:34:18 +0900 | [diff] [blame] | 458 | UnblockServer(bool pump_during_send, bool delete_during_send) |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 459 | : Worker(Channel::MODE_SERVER, "unblock_server"), |
jam@chromium.org | ebd0718 | 2009-12-01 11:34:18 +0900 | [diff] [blame] | 460 | pump_during_send_(pump_during_send), |
| 461 | delete_during_send_(delete_during_send) { } |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 462 | virtual void Run() override { |
jam@chromium.org | ebd0718 | 2009-12-01 11:34:18 +0900 | [diff] [blame] | 463 | if (delete_during_send_) { |
| 464 | // Use custom code since race conditions mean the answer may or may not be |
| 465 | // available. |
| 466 | int answer = 0; |
| 467 | SyncMessage* msg = new SyncChannelTestMsg_AnswerToLife(&answer); |
| 468 | if (pump_during_send_) |
| 469 | msg->EnableMessagePumping(); |
| 470 | Send(msg); |
| 471 | } else { |
piman@chromium.org | 609a689 | 2014-04-17 01:50:43 +0900 | [diff] [blame] | 472 | SendAnswerToLife(pump_during_send_, true); |
jam@chromium.org | ebd0718 | 2009-12-01 11:34:18 +0900 | [diff] [blame] | 473 | } |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 474 | Done(); |
| 475 | } |
| 476 | |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 477 | virtual void OnDoubleDelay(int in, Message* reply_msg) override { |
jam@chromium.org | ebd0718 | 2009-12-01 11:34:18 +0900 | [diff] [blame] | 478 | SyncChannelTestMsg_Double::WriteReplyParams(reply_msg, in * 2); |
| 479 | Send(reply_msg); |
| 480 | if (delete_during_send_) |
| 481 | ResetChannel(); |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 482 | } |
| 483 | |
| 484 | bool pump_during_send_; |
jam@chromium.org | ebd0718 | 2009-12-01 11:34:18 +0900 | [diff] [blame] | 485 | bool delete_during_send_; |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 486 | }; |
| 487 | |
| 488 | class UnblockClient : public Worker { |
| 489 | public: |
thestig@chromium.org | 60bd7c0 | 2010-07-23 14:23:13 +0900 | [diff] [blame] | 490 | explicit UnblockClient(bool pump_during_send) |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 491 | : Worker(Channel::MODE_CLIENT, "unblock_client"), |
| 492 | pump_during_send_(pump_during_send) { } |
| 493 | |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 494 | virtual void OnAnswer(int* answer) override { |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 495 | SendDouble(pump_during_send_, true); |
| 496 | *answer = 42; |
| 497 | Done(); |
| 498 | } |
| 499 | |
| 500 | bool pump_during_send_; |
| 501 | }; |
| 502 | |
jam@chromium.org | ebd0718 | 2009-12-01 11:34:18 +0900 | [diff] [blame] | 503 | void Unblock(bool server_pump, bool client_pump, bool delete_during_send) { |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 504 | std::vector<Worker*> workers; |
jam@chromium.org | ebd0718 | 2009-12-01 11:34:18 +0900 | [diff] [blame] | 505 | workers.push_back(new UnblockServer(server_pump, delete_during_send)); |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 506 | workers.push_back(new UnblockClient(client_pump)); |
| 507 | RunTest(workers); |
| 508 | } |
| 509 | |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 510 | // Tests that the caller unblocks to answer a sync message from the receiver. |
| 511 | TEST_F(IPCSyncChannelTest, Unblock) { |
jam@chromium.org | ebd0718 | 2009-12-01 11:34:18 +0900 | [diff] [blame] | 512 | Unblock(false, false, false); |
| 513 | Unblock(false, true, false); |
| 514 | Unblock(true, false, false); |
| 515 | Unblock(true, true, false); |
| 516 | } |
| 517 | |
viettrungluu@chromium.org | 7ca1913 | 2013-01-12 05:56:22 +0900 | [diff] [blame] | 518 | //------------------------------------------------------------------------------ |
jam@chromium.org | ebd0718 | 2009-12-01 11:34:18 +0900 | [diff] [blame] | 519 | |
kushi.p@gmail.com | 5948bf4 | 2011-05-14 07:42:41 +0900 | [diff] [blame] | 520 | // Tests that the the SyncChannel object can be deleted during a Send. |
jam@chromium.org | ebd0718 | 2009-12-01 11:34:18 +0900 | [diff] [blame] | 521 | TEST_F(IPCSyncChannelTest, ChannelDeleteDuringSend) { |
| 522 | Unblock(false, false, true); |
| 523 | Unblock(false, true, true); |
| 524 | Unblock(true, false, true); |
| 525 | Unblock(true, true, true); |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 526 | } |
| 527 | |
viettrungluu@chromium.org | 7ca1913 | 2013-01-12 05:56:22 +0900 | [diff] [blame] | 528 | //------------------------------------------------------------------------------ |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 529 | |
| 530 | class RecursiveServer : public Worker { |
| 531 | public: |
dilmah@chromium.org | 92b4c8e | 2011-07-27 02:25:25 +0900 | [diff] [blame] | 532 | RecursiveServer(bool expected_send_result, bool pump_first, bool pump_second) |
| 533 | : Worker(Channel::MODE_SERVER, "recursive_server"), |
| 534 | expected_send_result_(expected_send_result), |
| 535 | pump_first_(pump_first), pump_second_(pump_second) {} |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 536 | virtual void Run() override { |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 537 | SendDouble(pump_first_, expected_send_result_); |
| 538 | Done(); |
| 539 | } |
| 540 | |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 541 | virtual void OnDouble(int in, int* out) override { |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 542 | *out = in * 2; |
piman@chromium.org | 609a689 | 2014-04-17 01:50:43 +0900 | [diff] [blame] | 543 | SendAnswerToLife(pump_second_, expected_send_result_); |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 544 | } |
| 545 | |
| 546 | bool expected_send_result_, pump_first_, pump_second_; |
| 547 | }; |
| 548 | |
| 549 | class RecursiveClient : public Worker { |
| 550 | public: |
dilmah@chromium.org | 92b4c8e | 2011-07-27 02:25:25 +0900 | [diff] [blame] | 551 | RecursiveClient(bool pump_during_send, bool close_channel) |
| 552 | : Worker(Channel::MODE_CLIENT, "recursive_client"), |
| 553 | pump_during_send_(pump_during_send), close_channel_(close_channel) {} |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 554 | |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 555 | virtual void OnDoubleDelay(int in, Message* reply_msg) override { |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 556 | SendDouble(pump_during_send_, !close_channel_); |
| 557 | if (close_channel_) { |
| 558 | delete reply_msg; |
| 559 | } else { |
| 560 | SyncChannelTestMsg_Double::WriteReplyParams(reply_msg, in * 2); |
| 561 | Send(reply_msg); |
| 562 | } |
| 563 | Done(); |
| 564 | } |
| 565 | |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 566 | virtual void OnAnswerDelay(Message* reply_msg) override { |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 567 | if (close_channel_) { |
| 568 | delete reply_msg; |
| 569 | CloseChannel(); |
| 570 | } else { |
| 571 | SyncChannelTestMsg_AnswerToLife::WriteReplyParams(reply_msg, 42); |
| 572 | Send(reply_msg); |
| 573 | } |
| 574 | } |
| 575 | |
| 576 | bool pump_during_send_, close_channel_; |
| 577 | }; |
| 578 | |
| 579 | void Recursive( |
| 580 | bool server_pump_first, bool server_pump_second, bool client_pump) { |
| 581 | std::vector<Worker*> workers; |
| 582 | workers.push_back( |
| 583 | new RecursiveServer(true, server_pump_first, server_pump_second)); |
| 584 | workers.push_back(new RecursiveClient(client_pump, false)); |
| 585 | RunTest(workers); |
| 586 | } |
| 587 | |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 588 | // Tests a server calling Send while another Send is pending. |
| 589 | TEST_F(IPCSyncChannelTest, Recursive) { |
| 590 | Recursive(false, false, false); |
| 591 | Recursive(false, false, true); |
| 592 | Recursive(false, true, false); |
| 593 | Recursive(false, true, true); |
| 594 | Recursive(true, false, false); |
| 595 | Recursive(true, false, true); |
| 596 | Recursive(true, true, false); |
| 597 | Recursive(true, true, true); |
| 598 | } |
| 599 | |
viettrungluu@chromium.org | 7ca1913 | 2013-01-12 05:56:22 +0900 | [diff] [blame] | 600 | //------------------------------------------------------------------------------ |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 601 | |
| 602 | void RecursiveNoHang( |
| 603 | bool server_pump_first, bool server_pump_second, bool client_pump) { |
| 604 | std::vector<Worker*> workers; |
| 605 | workers.push_back( |
| 606 | new RecursiveServer(false, server_pump_first, server_pump_second)); |
| 607 | workers.push_back(new RecursiveClient(client_pump, true)); |
| 608 | RunTest(workers); |
| 609 | } |
| 610 | |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 611 | // Tests that if a caller makes a sync call during an existing sync call and |
| 612 | // the receiver dies, neither of the Send() calls hang. |
| 613 | TEST_F(IPCSyncChannelTest, RecursiveNoHang) { |
| 614 | RecursiveNoHang(false, false, false); |
| 615 | RecursiveNoHang(false, false, true); |
| 616 | RecursiveNoHang(false, true, false); |
| 617 | RecursiveNoHang(false, true, true); |
| 618 | RecursiveNoHang(true, false, false); |
| 619 | RecursiveNoHang(true, false, true); |
| 620 | RecursiveNoHang(true, true, false); |
| 621 | RecursiveNoHang(true, true, true); |
| 622 | } |
| 623 | |
viettrungluu@chromium.org | 7ca1913 | 2013-01-12 05:56:22 +0900 | [diff] [blame] | 624 | //------------------------------------------------------------------------------ |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 625 | |
| 626 | class MultipleServer1 : public Worker { |
| 627 | public: |
thestig@chromium.org | 60bd7c0 | 2010-07-23 14:23:13 +0900 | [diff] [blame] | 628 | explicit MultipleServer1(bool pump_during_send) |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 629 | : Worker("test_channel1", Channel::MODE_SERVER), |
| 630 | pump_during_send_(pump_during_send) { } |
| 631 | |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 632 | virtual void Run() override { |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 633 | SendDouble(pump_during_send_, true); |
| 634 | Done(); |
| 635 | } |
| 636 | |
| 637 | bool pump_during_send_; |
| 638 | }; |
| 639 | |
| 640 | class MultipleClient1 : public Worker { |
| 641 | public: |
| 642 | MultipleClient1(WaitableEvent* client1_msg_received, |
| 643 | WaitableEvent* client1_can_reply) : |
| 644 | Worker("test_channel1", Channel::MODE_CLIENT), |
| 645 | client1_msg_received_(client1_msg_received), |
| 646 | client1_can_reply_(client1_can_reply) { } |
| 647 | |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 648 | virtual void OnDouble(int in, int* out) override { |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 649 | client1_msg_received_->Signal(); |
| 650 | *out = in * 2; |
| 651 | client1_can_reply_->Wait(); |
| 652 | Done(); |
| 653 | } |
| 654 | |
| 655 | private: |
| 656 | WaitableEvent *client1_msg_received_, *client1_can_reply_; |
| 657 | }; |
| 658 | |
| 659 | class MultipleServer2 : public Worker { |
| 660 | public: |
| 661 | MultipleServer2() : Worker("test_channel2", Channel::MODE_SERVER) { } |
| 662 | |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 663 | virtual void OnAnswer(int* result) override { |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 664 | *result = 42; |
| 665 | Done(); |
| 666 | } |
| 667 | }; |
| 668 | |
| 669 | class MultipleClient2 : public Worker { |
| 670 | public: |
| 671 | MultipleClient2( |
| 672 | WaitableEvent* client1_msg_received, WaitableEvent* client1_can_reply, |
| 673 | bool pump_during_send) |
| 674 | : Worker("test_channel2", Channel::MODE_CLIENT), |
| 675 | client1_msg_received_(client1_msg_received), |
| 676 | client1_can_reply_(client1_can_reply), |
| 677 | pump_during_send_(pump_during_send) { } |
| 678 | |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 679 | virtual void Run() override { |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 680 | client1_msg_received_->Wait(); |
piman@chromium.org | 609a689 | 2014-04-17 01:50:43 +0900 | [diff] [blame] | 681 | SendAnswerToLife(pump_during_send_, true); |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 682 | client1_can_reply_->Signal(); |
| 683 | Done(); |
| 684 | } |
| 685 | |
| 686 | private: |
| 687 | WaitableEvent *client1_msg_received_, *client1_can_reply_; |
| 688 | bool pump_during_send_; |
| 689 | }; |
| 690 | |
| 691 | void Multiple(bool server_pump, bool client_pump) { |
| 692 | std::vector<Worker*> workers; |
| 693 | |
| 694 | // A shared worker thread so that server1 and server2 run on one thread. |
| 695 | base::Thread worker_thread("Multiple"); |
| 696 | ASSERT_TRUE(worker_thread.Start()); |
| 697 | |
| 698 | // Server1 sends a sync msg to client1, which blocks the reply until |
| 699 | // server2 (which runs on the same worker thread as server1) responds |
| 700 | // to a sync msg from client2. |
| 701 | WaitableEvent client1_msg_received(false, false); |
| 702 | WaitableEvent client1_can_reply(false, false); |
| 703 | |
| 704 | Worker* worker; |
| 705 | |
| 706 | worker = new MultipleServer2(); |
| 707 | worker->OverrideThread(&worker_thread); |
| 708 | workers.push_back(worker); |
| 709 | |
| 710 | worker = new MultipleClient2( |
| 711 | &client1_msg_received, &client1_can_reply, client_pump); |
| 712 | workers.push_back(worker); |
| 713 | |
| 714 | worker = new MultipleServer1(server_pump); |
| 715 | worker->OverrideThread(&worker_thread); |
| 716 | workers.push_back(worker); |
| 717 | |
| 718 | worker = new MultipleClient1( |
| 719 | &client1_msg_received, &client1_can_reply); |
| 720 | workers.push_back(worker); |
| 721 | |
| 722 | RunTest(workers); |
| 723 | } |
| 724 | |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 725 | // Tests that multiple SyncObjects on the same listener thread can unblock each |
| 726 | // other. |
| 727 | TEST_F(IPCSyncChannelTest, Multiple) { |
| 728 | Multiple(false, false); |
| 729 | Multiple(false, true); |
| 730 | Multiple(true, false); |
| 731 | Multiple(true, true); |
| 732 | } |
| 733 | |
viettrungluu@chromium.org | 7ca1913 | 2013-01-12 05:56:22 +0900 | [diff] [blame] | 734 | //------------------------------------------------------------------------------ |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 735 | |
ananta@chromium.org | 31b338f | 2009-10-15 01:22:02 +0900 | [diff] [blame] | 736 | // This class provides server side functionality to test the case where |
| 737 | // multiple sync channels are in use on the same thread on the client and |
| 738 | // nested calls are issued. |
| 739 | class QueuedReplyServer : public Worker { |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 740 | public: |
thestig@chromium.org | 60bd7c0 | 2010-07-23 14:23:13 +0900 | [diff] [blame] | 741 | QueuedReplyServer(base::Thread* listener_thread, |
| 742 | const std::string& channel_name, |
| 743 | const std::string& reply_text) |
ananta@chromium.org | 31b338f | 2009-10-15 01:22:02 +0900 | [diff] [blame] | 744 | : Worker(channel_name, Channel::MODE_SERVER), |
| 745 | reply_text_(reply_text) { |
| 746 | Worker::OverrideThread(listener_thread); |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 747 | } |
| 748 | |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 749 | virtual void OnNestedTestMsg(Message* reply_msg) override { |
pkasting@chromium.org | fcdd54b | 2010-10-20 08:50:00 +0900 | [diff] [blame] | 750 | VLOG(1) << __FUNCTION__ << " Sending reply: " << reply_text_; |
| 751 | SyncChannelNestedTestMsg_String::WriteReplyParams(reply_msg, reply_text_); |
ananta@chromium.org | 31b338f | 2009-10-15 01:22:02 +0900 | [diff] [blame] | 752 | Send(reply_msg); |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 753 | Done(); |
| 754 | } |
| 755 | |
| 756 | private: |
ananta@chromium.org | 31b338f | 2009-10-15 01:22:02 +0900 | [diff] [blame] | 757 | std::string reply_text_; |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 758 | }; |
| 759 | |
ananta@chromium.org | 31b338f | 2009-10-15 01:22:02 +0900 | [diff] [blame] | 760 | // The QueuedReplyClient class provides functionality to test the case where |
| 761 | // multiple sync channels are in use on the same thread and they make nested |
| 762 | // sync calls, i.e. while the first channel waits for a response it makes a |
| 763 | // sync call on another channel. |
| 764 | // The callstack should unwind correctly, i.e. the outermost call should |
| 765 | // complete first, and so on. |
| 766 | class QueuedReplyClient : public Worker { |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 767 | public: |
ananta@chromium.org | 31b338f | 2009-10-15 01:22:02 +0900 | [diff] [blame] | 768 | QueuedReplyClient(base::Thread* listener_thread, |
| 769 | const std::string& channel_name, |
| 770 | const std::string& expected_text, |
| 771 | bool pump_during_send) |
| 772 | : Worker(channel_name, Channel::MODE_CLIENT), |
thomasvl@google.com | 9a24207 | 2010-07-23 23:18:59 +0900 | [diff] [blame] | 773 | pump_during_send_(pump_during_send), |
| 774 | expected_text_(expected_text) { |
ananta@chromium.org | 31b338f | 2009-10-15 01:22:02 +0900 | [diff] [blame] | 775 | Worker::OverrideThread(listener_thread); |
| 776 | } |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 777 | |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 778 | virtual void Run() override { |
ananta@chromium.org | 31b338f | 2009-10-15 01:22:02 +0900 | [diff] [blame] | 779 | std::string response; |
| 780 | SyncMessage* msg = new SyncChannelNestedTestMsg_String(&response); |
| 781 | if (pump_during_send_) |
| 782 | msg->EnableMessagePumping(); |
| 783 | bool result = Send(msg); |
| 784 | DCHECK(result); |
jam@chromium.org | ebd0718 | 2009-12-01 11:34:18 +0900 | [diff] [blame] | 785 | DCHECK_EQ(response, expected_text_); |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 786 | |
pkasting@chromium.org | fcdd54b | 2010-10-20 08:50:00 +0900 | [diff] [blame] | 787 | VLOG(1) << __FUNCTION__ << " Received reply: " << response; |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 788 | Done(); |
| 789 | } |
| 790 | |
ananta@chromium.org | 31b338f | 2009-10-15 01:22:02 +0900 | [diff] [blame] | 791 | private: |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 792 | bool pump_during_send_; |
ananta@chromium.org | 31b338f | 2009-10-15 01:22:02 +0900 | [diff] [blame] | 793 | std::string expected_text_; |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 794 | }; |
| 795 | |
ananta@chromium.org | 31b338f | 2009-10-15 01:22:02 +0900 | [diff] [blame] | 796 | void QueuedReply(bool client_pump) { |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 797 | std::vector<Worker*> workers; |
| 798 | |
ananta@chromium.org | 31b338f | 2009-10-15 01:22:02 +0900 | [diff] [blame] | 799 | // A shared worker thread for servers |
| 800 | base::Thread server_worker_thread("QueuedReply_ServerListener"); |
| 801 | ASSERT_TRUE(server_worker_thread.Start()); |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 802 | |
ananta@chromium.org | 31b338f | 2009-10-15 01:22:02 +0900 | [diff] [blame] | 803 | base::Thread client_worker_thread("QueuedReply_ClientListener"); |
| 804 | ASSERT_TRUE(client_worker_thread.Start()); |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 805 | |
| 806 | Worker* worker; |
| 807 | |
ananta@chromium.org | 31b338f | 2009-10-15 01:22:02 +0900 | [diff] [blame] | 808 | worker = new QueuedReplyServer(&server_worker_thread, |
| 809 | "QueuedReply_Server1", |
| 810 | "Got first message"); |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 811 | workers.push_back(worker); |
| 812 | |
ananta@chromium.org | 31b338f | 2009-10-15 01:22:02 +0900 | [diff] [blame] | 813 | worker = new QueuedReplyServer(&server_worker_thread, |
| 814 | "QueuedReply_Server2", |
| 815 | "Got second message"); |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 816 | workers.push_back(worker); |
| 817 | |
ananta@chromium.org | 31b338f | 2009-10-15 01:22:02 +0900 | [diff] [blame] | 818 | worker = new QueuedReplyClient(&client_worker_thread, |
| 819 | "QueuedReply_Server1", |
| 820 | "Got first message", |
| 821 | client_pump); |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 822 | workers.push_back(worker); |
| 823 | |
ananta@chromium.org | 31b338f | 2009-10-15 01:22:02 +0900 | [diff] [blame] | 824 | worker = new QueuedReplyClient(&client_worker_thread, |
| 825 | "QueuedReply_Server2", |
| 826 | "Got second message", |
| 827 | client_pump); |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 828 | workers.push_back(worker); |
| 829 | |
| 830 | RunTest(workers); |
| 831 | } |
| 832 | |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 833 | // While a blocking send is in progress, the listener thread might answer other |
| 834 | // synchronous messages. This tests that if during the response to another |
| 835 | // message the reply to the original messages comes, it is queued up correctly |
| 836 | // and the original Send is unblocked later. |
ananta@chromium.org | 31b338f | 2009-10-15 01:22:02 +0900 | [diff] [blame] | 837 | // We also test that the send call stacks unwind correctly when the channel |
| 838 | // pumps messages while waiting for a response. |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 839 | TEST_F(IPCSyncChannelTest, QueuedReply) { |
ananta@chromium.org | 31b338f | 2009-10-15 01:22:02 +0900 | [diff] [blame] | 840 | QueuedReply(false); |
| 841 | QueuedReply(true); |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 842 | } |
| 843 | |
viettrungluu@chromium.org | 7ca1913 | 2013-01-12 05:56:22 +0900 | [diff] [blame] | 844 | //------------------------------------------------------------------------------ |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 845 | |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 846 | class ChattyClient : public Worker { |
| 847 | public: |
| 848 | ChattyClient() : |
| 849 | Worker(Channel::MODE_CLIENT, "chatty_client") { } |
| 850 | |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 851 | virtual void OnAnswer(int* answer) override { |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 852 | // The PostMessage limit is 10k. Send 20% more than that. |
| 853 | const int kMessageLimit = 10000; |
| 854 | const int kMessagesToSend = kMessageLimit * 120 / 100; |
| 855 | for (int i = 0; i < kMessagesToSend; ++i) { |
| 856 | if (!SendDouble(false, true)) |
| 857 | break; |
| 858 | } |
| 859 | *answer = 42; |
| 860 | Done(); |
| 861 | } |
| 862 | }; |
| 863 | |
| 864 | void ChattyServer(bool pump_during_send) { |
| 865 | std::vector<Worker*> workers; |
jam@chromium.org | ebd0718 | 2009-12-01 11:34:18 +0900 | [diff] [blame] | 866 | workers.push_back(new UnblockServer(pump_during_send, false)); |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 867 | workers.push_back(new ChattyClient()); |
| 868 | RunTest(workers); |
| 869 | } |
| 870 | |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 871 | // Tests http://b/1093251 - that sending lots of sync messages while |
| 872 | // the receiver is waiting for a sync reply does not overflow the PostMessage |
| 873 | // queue. |
| 874 | TEST_F(IPCSyncChannelTest, ChattyServer) { |
| 875 | ChattyServer(false); |
| 876 | ChattyServer(true); |
| 877 | } |
| 878 | |
| 879 | //------------------------------------------------------------------------------ |
| 880 | |
jhawkins@chromium.org | dc0f37f | 2011-11-29 03:35:39 +0900 | [diff] [blame] | 881 | void NestedCallback(Worker* server) { |
| 882 | // Sleep a bit so that we wake up after the reply has been received. |
tedvessenes@gmail.com | 30dbbaa | 2012-01-13 09:11:01 +0900 | [diff] [blame] | 883 | base::PlatformThread::Sleep(base::TimeDelta::FromMilliseconds(250)); |
piman@chromium.org | 609a689 | 2014-04-17 01:50:43 +0900 | [diff] [blame] | 884 | server->SendAnswerToLife(true, true); |
jhawkins@chromium.org | dc0f37f | 2011-11-29 03:35:39 +0900 | [diff] [blame] | 885 | } |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 886 | |
jhawkins@chromium.org | dc0f37f | 2011-11-29 03:35:39 +0900 | [diff] [blame] | 887 | bool timeout_occurred = false; |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 888 | |
jhawkins@chromium.org | dc0f37f | 2011-11-29 03:35:39 +0900 | [diff] [blame] | 889 | void TimeoutCallback() { |
| 890 | timeout_occurred = true; |
| 891 | } |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 892 | |
| 893 | class DoneEventRaceServer : public Worker { |
| 894 | public: |
| 895 | DoneEventRaceServer() |
| 896 | : Worker(Channel::MODE_SERVER, "done_event_race_server") { } |
| 897 | |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 898 | virtual void Run() override { |
xhwang@chromium.org | 0b2c2a5 | 2013-05-01 05:55:03 +0900 | [diff] [blame] | 899 | base::MessageLoop::current()->PostTask(FROM_HERE, |
| 900 | base::Bind(&NestedCallback, this)); |
| 901 | base::MessageLoop::current()->PostDelayedTask( |
tedvessenes@gmail.com | 56b3370 | 2012-03-07 13:41:40 +0900 | [diff] [blame] | 902 | FROM_HERE, |
| 903 | base::Bind(&TimeoutCallback), |
| 904 | base::TimeDelta::FromSeconds(9)); |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 905 | // Even though we have a timeout on the Send, it will succeed since for this |
| 906 | // bug, the reply message comes back and is deserialized, however the done |
| 907 | // event wasn't set. So we indirectly use the timeout task to notice if a |
| 908 | // timeout occurred. |
piman@chromium.org | 609a689 | 2014-04-17 01:50:43 +0900 | [diff] [blame] | 909 | SendAnswerToLife(true, true); |
jhawkins@chromium.org | dc0f37f | 2011-11-29 03:35:39 +0900 | [diff] [blame] | 910 | DCHECK(!timeout_occurred); |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 911 | Done(); |
| 912 | } |
| 913 | }; |
| 914 | |
agl@chromium.org | 1c6dcf2 | 2009-07-23 08:57:21 +0900 | [diff] [blame] | 915 | // Tests http://b/1474092 - that if after the done_event is set but before |
| 916 | // OnObjectSignaled is called another message is sent out, then after its |
| 917 | // reply comes back OnObjectSignaled will be called for the first message. |
| 918 | TEST_F(IPCSyncChannelTest, DoneEventRace) { |
| 919 | std::vector<Worker*> workers; |
| 920 | workers.push_back(new DoneEventRaceServer()); |
| 921 | workers.push_back(new SimpleClient()); |
| 922 | RunTest(workers); |
| 923 | } |
jabdelmalek@google.com | eb92165 | 2010-04-07 05:33:36 +0900 | [diff] [blame] | 924 | |
viettrungluu@chromium.org | 7ca1913 | 2013-01-12 05:56:22 +0900 | [diff] [blame] | 925 | //------------------------------------------------------------------------------ |
jabdelmalek@google.com | eb92165 | 2010-04-07 05:33:36 +0900 | [diff] [blame] | 926 | |
kushi.p@gmail.com | 5948bf4 | 2011-05-14 07:42:41 +0900 | [diff] [blame] | 927 | class TestSyncMessageFilter : public SyncMessageFilter { |
jabdelmalek@google.com | eb92165 | 2010-04-07 05:33:36 +0900 | [diff] [blame] | 928 | public: |
piman@chromium.org | 0345c81 | 2012-09-08 10:24:49 +0900 | [diff] [blame] | 929 | TestSyncMessageFilter(base::WaitableEvent* shutdown_event, |
| 930 | Worker* worker, |
| 931 | scoped_refptr<base::MessageLoopProxy> message_loop) |
jabdelmalek@google.com | eb92165 | 2010-04-07 05:33:36 +0900 | [diff] [blame] | 932 | : SyncMessageFilter(shutdown_event), |
| 933 | worker_(worker), |
piman@chromium.org | 0345c81 | 2012-09-08 10:24:49 +0900 | [diff] [blame] | 934 | message_loop_(message_loop) { |
jabdelmalek@google.com | eb92165 | 2010-04-07 05:33:36 +0900 | [diff] [blame] | 935 | } |
| 936 | |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 937 | virtual void OnFilterAdded(Sender* sender) override { |
morrita@chromium.org | 631fb8e | 2014-06-13 15:07:14 +0900 | [diff] [blame] | 938 | SyncMessageFilter::OnFilterAdded(sender); |
piman@chromium.org | 0345c81 | 2012-09-08 10:24:49 +0900 | [diff] [blame] | 939 | message_loop_->PostTask( |
jhawkins@chromium.org | 9827bd1 | 2011-11-13 06:16:41 +0900 | [diff] [blame] | 940 | FROM_HERE, |
| 941 | base::Bind(&TestSyncMessageFilter::SendMessageOnHelperThread, this)); |
jabdelmalek@google.com | eb92165 | 2010-04-07 05:33:36 +0900 | [diff] [blame] | 942 | } |
| 943 | |
| 944 | void SendMessageOnHelperThread() { |
| 945 | int answer = 0; |
| 946 | bool result = Send(new SyncChannelTestMsg_AnswerToLife(&answer)); |
| 947 | DCHECK(result); |
| 948 | DCHECK_EQ(answer, 42); |
| 949 | |
| 950 | worker_->Done(); |
| 951 | } |
| 952 | |
rsleevi@chromium.org | 997c1d4 | 2012-04-28 11:12:00 +0900 | [diff] [blame] | 953 | private: |
| 954 | virtual ~TestSyncMessageFilter() {} |
| 955 | |
jabdelmalek@google.com | eb92165 | 2010-04-07 05:33:36 +0900 | [diff] [blame] | 956 | Worker* worker_; |
piman@chromium.org | 0345c81 | 2012-09-08 10:24:49 +0900 | [diff] [blame] | 957 | scoped_refptr<base::MessageLoopProxy> message_loop_; |
jabdelmalek@google.com | eb92165 | 2010-04-07 05:33:36 +0900 | [diff] [blame] | 958 | }; |
| 959 | |
| 960 | class SyncMessageFilterServer : public Worker { |
| 961 | public: |
| 962 | SyncMessageFilterServer() |
piman@chromium.org | 0345c81 | 2012-09-08 10:24:49 +0900 | [diff] [blame] | 963 | : Worker(Channel::MODE_SERVER, "sync_message_filter_server"), |
| 964 | thread_("helper_thread") { |
| 965 | base::Thread::Options options; |
xhwang@chromium.org | 0b2c2a5 | 2013-05-01 05:55:03 +0900 | [diff] [blame] | 966 | options.message_loop_type = base::MessageLoop::TYPE_DEFAULT; |
piman@chromium.org | 0345c81 | 2012-09-08 10:24:49 +0900 | [diff] [blame] | 967 | thread_.StartWithOptions(options); |
| 968 | filter_ = new TestSyncMessageFilter(shutdown_event(), this, |
| 969 | thread_.message_loop_proxy()); |
jabdelmalek@google.com | eb92165 | 2010-04-07 05:33:36 +0900 | [diff] [blame] | 970 | } |
| 971 | |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 972 | virtual void Run() override { |
jabdelmalek@google.com | eb92165 | 2010-04-07 05:33:36 +0900 | [diff] [blame] | 973 | channel()->AddFilter(filter_.get()); |
| 974 | } |
| 975 | |
piman@chromium.org | 0345c81 | 2012-09-08 10:24:49 +0900 | [diff] [blame] | 976 | base::Thread thread_; |
jabdelmalek@google.com | eb92165 | 2010-04-07 05:33:36 +0900 | [diff] [blame] | 977 | scoped_refptr<TestSyncMessageFilter> filter_; |
| 978 | }; |
| 979 | |
ananta@chromium.org | 999f297 | 2010-09-03 06:45:50 +0900 | [diff] [blame] | 980 | // This class provides functionality to test the case that a Send on the sync |
| 981 | // channel does not crash after the channel has been closed. |
| 982 | class ServerSendAfterClose : public Worker { |
| 983 | public: |
| 984 | ServerSendAfterClose() |
| 985 | : Worker(Channel::MODE_SERVER, "simpler_server"), |
| 986 | send_result_(true) { |
| 987 | } |
| 988 | |
| 989 | bool SendDummy() { |
jhawkins@chromium.org | 9827bd1 | 2011-11-13 06:16:41 +0900 | [diff] [blame] | 990 | ListenerThread()->message_loop()->PostTask( |
ajwong@chromium.org | c1e632d | 2012-01-06 11:37:17 +0900 | [diff] [blame] | 991 | FROM_HERE, base::Bind(base::IgnoreResult(&ServerSendAfterClose::Send), |
| 992 | this, new SyncChannelTestMsg_NoArgs)); |
ananta@chromium.org | 999f297 | 2010-09-03 06:45:50 +0900 | [diff] [blame] | 993 | return true; |
| 994 | } |
| 995 | |
| 996 | bool send_result() const { |
| 997 | return send_result_; |
| 998 | } |
| 999 | |
| 1000 | private: |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 1001 | virtual void Run() override { |
ananta@chromium.org | 999f297 | 2010-09-03 06:45:50 +0900 | [diff] [blame] | 1002 | CloseChannel(); |
| 1003 | Done(); |
| 1004 | } |
| 1005 | |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 1006 | virtual bool Send(Message* msg) override { |
ananta@chromium.org | 999f297 | 2010-09-03 06:45:50 +0900 | [diff] [blame] | 1007 | send_result_ = Worker::Send(msg); |
| 1008 | Done(); |
| 1009 | return send_result_; |
| 1010 | } |
| 1011 | |
| 1012 | bool send_result_; |
| 1013 | }; |
| 1014 | |
jabdelmalek@google.com | eb92165 | 2010-04-07 05:33:36 +0900 | [diff] [blame] | 1015 | // Tests basic synchronous call |
| 1016 | TEST_F(IPCSyncChannelTest, SyncMessageFilter) { |
| 1017 | std::vector<Worker*> workers; |
| 1018 | workers.push_back(new SyncMessageFilterServer()); |
| 1019 | workers.push_back(new SimpleClient()); |
| 1020 | RunTest(workers); |
| 1021 | } |
ananta@chromium.org | 999f297 | 2010-09-03 06:45:50 +0900 | [diff] [blame] | 1022 | |
| 1023 | // Test the case when the channel is closed and a Send is attempted after that. |
| 1024 | TEST_F(IPCSyncChannelTest, SendAfterClose) { |
| 1025 | ServerSendAfterClose server; |
| 1026 | server.Start(); |
| 1027 | |
| 1028 | server.done_event()->Wait(); |
| 1029 | server.done_event()->Reset(); |
| 1030 | |
| 1031 | server.SendDummy(); |
| 1032 | server.done_event()->Wait(); |
| 1033 | |
| 1034 | EXPECT_FALSE(server.send_result()); |
viettrungluu@chromium.org | 42575b0 | 2013-01-08 15:09:07 +0900 | [diff] [blame] | 1035 | |
| 1036 | server.Shutdown(); |
ananta@chromium.org | 999f297 | 2010-09-03 06:45:50 +0900 | [diff] [blame] | 1037 | } |
| 1038 | |
viettrungluu@chromium.org | 7ca1913 | 2013-01-12 05:56:22 +0900 | [diff] [blame] | 1039 | //------------------------------------------------------------------------------ |
piman@google.com | 0cbefaa | 2011-04-08 12:38:21 +0900 | [diff] [blame] | 1040 | |
| 1041 | class RestrictedDispatchServer : public Worker { |
| 1042 | public: |
piman@chromium.org | 5a00b88 | 2012-03-31 06:29:30 +0900 | [diff] [blame] | 1043 | RestrictedDispatchServer(WaitableEvent* sent_ping_event, |
| 1044 | WaitableEvent* wait_event) |
piman@google.com | 0cbefaa | 2011-04-08 12:38:21 +0900 | [diff] [blame] | 1045 | : Worker("restricted_channel", Channel::MODE_SERVER), |
piman@chromium.org | 5a00b88 | 2012-03-31 06:29:30 +0900 | [diff] [blame] | 1046 | sent_ping_event_(sent_ping_event), |
| 1047 | wait_event_(wait_event) { } |
piman@google.com | 0cbefaa | 2011-04-08 12:38:21 +0900 | [diff] [blame] | 1048 | |
| 1049 | void OnDoPing(int ping) { |
| 1050 | // Send an asynchronous message that unblocks the caller. |
kushi.p@gmail.com | 5948bf4 | 2011-05-14 07:42:41 +0900 | [diff] [blame] | 1051 | Message* msg = new SyncChannelTestMsg_Ping(ping); |
piman@google.com | 0cbefaa | 2011-04-08 12:38:21 +0900 | [diff] [blame] | 1052 | msg->set_unblock(true); |
| 1053 | Send(msg); |
| 1054 | // Signal the event after the message has been sent on the channel, on the |
| 1055 | // IPC thread. |
jhawkins@chromium.org | 9827bd1 | 2011-11-13 06:16:41 +0900 | [diff] [blame] | 1056 | ipc_thread().message_loop()->PostTask( |
| 1057 | FROM_HERE, base::Bind(&RestrictedDispatchServer::OnPingSent, this)); |
piman@google.com | 0cbefaa | 2011-04-08 12:38:21 +0900 | [diff] [blame] | 1058 | } |
| 1059 | |
piman@chromium.org | 5a00b88 | 2012-03-31 06:29:30 +0900 | [diff] [blame] | 1060 | void OnPingTTL(int ping, int* out) { |
| 1061 | *out = ping; |
| 1062 | wait_event_->Wait(); |
| 1063 | } |
| 1064 | |
piman@google.com | 0cbefaa | 2011-04-08 12:38:21 +0900 | [diff] [blame] | 1065 | base::Thread* ListenerThread() { return Worker::ListenerThread(); } |
| 1066 | |
| 1067 | private: |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 1068 | virtual bool OnMessageReceived(const Message& message) override { |
piman@google.com | 0cbefaa | 2011-04-08 12:38:21 +0900 | [diff] [blame] | 1069 | IPC_BEGIN_MESSAGE_MAP(RestrictedDispatchServer, message) |
| 1070 | IPC_MESSAGE_HANDLER(SyncChannelTestMsg_NoArgs, OnNoArgs) |
piman@chromium.org | 5a00b88 | 2012-03-31 06:29:30 +0900 | [diff] [blame] | 1071 | IPC_MESSAGE_HANDLER(SyncChannelTestMsg_PingTTL, OnPingTTL) |
piman@google.com | 0cbefaa | 2011-04-08 12:38:21 +0900 | [diff] [blame] | 1072 | IPC_MESSAGE_HANDLER(SyncChannelTestMsg_Done, Done) |
| 1073 | IPC_END_MESSAGE_MAP() |
| 1074 | return true; |
| 1075 | } |
| 1076 | |
| 1077 | void OnPingSent() { |
| 1078 | sent_ping_event_->Signal(); |
| 1079 | } |
| 1080 | |
| 1081 | void OnNoArgs() { } |
| 1082 | WaitableEvent* sent_ping_event_; |
piman@chromium.org | 5a00b88 | 2012-03-31 06:29:30 +0900 | [diff] [blame] | 1083 | WaitableEvent* wait_event_; |
piman@google.com | 0cbefaa | 2011-04-08 12:38:21 +0900 | [diff] [blame] | 1084 | }; |
| 1085 | |
| 1086 | class NonRestrictedDispatchServer : public Worker { |
| 1087 | public: |
piman@chromium.org | 5a00b88 | 2012-03-31 06:29:30 +0900 | [diff] [blame] | 1088 | NonRestrictedDispatchServer(WaitableEvent* signal_event) |
| 1089 | : Worker("non_restricted_channel", Channel::MODE_SERVER), |
| 1090 | signal_event_(signal_event) {} |
| 1091 | |
| 1092 | base::Thread* ListenerThread() { return Worker::ListenerThread(); } |
| 1093 | |
| 1094 | void OnDoPingTTL(int ping) { |
| 1095 | int value = 0; |
| 1096 | Send(new SyncChannelTestMsg_PingTTL(ping, &value)); |
| 1097 | signal_event_->Signal(); |
| 1098 | } |
piman@google.com | 0cbefaa | 2011-04-08 12:38:21 +0900 | [diff] [blame] | 1099 | |
| 1100 | private: |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 1101 | virtual bool OnMessageReceived(const Message& message) override { |
piman@google.com | 0cbefaa | 2011-04-08 12:38:21 +0900 | [diff] [blame] | 1102 | IPC_BEGIN_MESSAGE_MAP(NonRestrictedDispatchServer, message) |
| 1103 | IPC_MESSAGE_HANDLER(SyncChannelTestMsg_NoArgs, OnNoArgs) |
| 1104 | IPC_MESSAGE_HANDLER(SyncChannelTestMsg_Done, Done) |
| 1105 | IPC_END_MESSAGE_MAP() |
| 1106 | return true; |
| 1107 | } |
| 1108 | |
| 1109 | void OnNoArgs() { } |
piman@chromium.org | 5a00b88 | 2012-03-31 06:29:30 +0900 | [diff] [blame] | 1110 | WaitableEvent* signal_event_; |
piman@google.com | 0cbefaa | 2011-04-08 12:38:21 +0900 | [diff] [blame] | 1111 | }; |
| 1112 | |
| 1113 | class RestrictedDispatchClient : public Worker { |
| 1114 | public: |
| 1115 | RestrictedDispatchClient(WaitableEvent* sent_ping_event, |
| 1116 | RestrictedDispatchServer* server, |
piman@chromium.org | 5a00b88 | 2012-03-31 06:29:30 +0900 | [diff] [blame] | 1117 | NonRestrictedDispatchServer* server2, |
piman@google.com | 0cbefaa | 2011-04-08 12:38:21 +0900 | [diff] [blame] | 1118 | int* success) |
| 1119 | : Worker("restricted_channel", Channel::MODE_CLIENT), |
| 1120 | ping_(0), |
| 1121 | server_(server), |
piman@chromium.org | 5a00b88 | 2012-03-31 06:29:30 +0900 | [diff] [blame] | 1122 | server2_(server2), |
piman@google.com | 0cbefaa | 2011-04-08 12:38:21 +0900 | [diff] [blame] | 1123 | success_(success), |
| 1124 | sent_ping_event_(sent_ping_event) {} |
| 1125 | |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 1126 | virtual void Run() override { |
piman@google.com | 0cbefaa | 2011-04-08 12:38:21 +0900 | [diff] [blame] | 1127 | // Incoming messages from our channel should only be dispatched when we |
| 1128 | // send a message on that same channel. |
piman@chromium.org | 5a00b88 | 2012-03-31 06:29:30 +0900 | [diff] [blame] | 1129 | channel()->SetRestrictDispatchChannelGroup(1); |
piman@google.com | 0cbefaa | 2011-04-08 12:38:21 +0900 | [diff] [blame] | 1130 | |
jhawkins@chromium.org | 9827bd1 | 2011-11-13 06:16:41 +0900 | [diff] [blame] | 1131 | server_->ListenerThread()->message_loop()->PostTask( |
| 1132 | FROM_HERE, base::Bind(&RestrictedDispatchServer::OnDoPing, server_, 1)); |
piman@google.com | 0cbefaa | 2011-04-08 12:38:21 +0900 | [diff] [blame] | 1133 | sent_ping_event_->Wait(); |
| 1134 | Send(new SyncChannelTestMsg_NoArgs); |
| 1135 | if (ping_ == 1) |
| 1136 | ++*success_; |
| 1137 | else |
| 1138 | LOG(ERROR) << "Send failed to dispatch incoming message on same channel"; |
| 1139 | |
morrita@chromium.org | 15b4860 | 2014-06-06 01:15:38 +0900 | [diff] [blame] | 1140 | non_restricted_channel_ = |
| 1141 | SyncChannel::Create("non_restricted_channel", |
| 1142 | IPC::Channel::MODE_CLIENT, |
| 1143 | this, |
| 1144 | ipc_thread().message_loop_proxy().get(), |
| 1145 | true, |
| 1146 | shutdown_event()); |
piman@google.com | 0cbefaa | 2011-04-08 12:38:21 +0900 | [diff] [blame] | 1147 | |
jhawkins@chromium.org | 9827bd1 | 2011-11-13 06:16:41 +0900 | [diff] [blame] | 1148 | server_->ListenerThread()->message_loop()->PostTask( |
| 1149 | FROM_HERE, base::Bind(&RestrictedDispatchServer::OnDoPing, server_, 2)); |
piman@google.com | 0cbefaa | 2011-04-08 12:38:21 +0900 | [diff] [blame] | 1150 | sent_ping_event_->Wait(); |
| 1151 | // Check that the incoming message is *not* dispatched when sending on the |
| 1152 | // non restricted channel. |
| 1153 | // TODO(piman): there is a possibility of a false positive race condition |
| 1154 | // here, if the message that was posted on the server-side end of the pipe |
| 1155 | // is not visible yet on the client side, but I don't know how to solve this |
| 1156 | // without hooking into the internals of SyncChannel. I haven't seen it in |
| 1157 | // practice (i.e. not setting SetRestrictDispatchToSameChannel does cause |
| 1158 | // the following to fail). |
piman@chromium.org | 5a00b88 | 2012-03-31 06:29:30 +0900 | [diff] [blame] | 1159 | non_restricted_channel_->Send(new SyncChannelTestMsg_NoArgs); |
piman@google.com | 0cbefaa | 2011-04-08 12:38:21 +0900 | [diff] [blame] | 1160 | if (ping_ == 1) |
| 1161 | ++*success_; |
| 1162 | else |
| 1163 | LOG(ERROR) << "Send dispatched message from restricted channel"; |
| 1164 | |
| 1165 | Send(new SyncChannelTestMsg_NoArgs); |
| 1166 | if (ping_ == 2) |
| 1167 | ++*success_; |
| 1168 | else |
| 1169 | LOG(ERROR) << "Send failed to dispatch incoming message on same channel"; |
| 1170 | |
piman@chromium.org | 5a00b88 | 2012-03-31 06:29:30 +0900 | [diff] [blame] | 1171 | // Check that the incoming message on the non-restricted channel is |
| 1172 | // dispatched when sending on the restricted channel. |
| 1173 | server2_->ListenerThread()->message_loop()->PostTask( |
| 1174 | FROM_HERE, |
| 1175 | base::Bind(&NonRestrictedDispatchServer::OnDoPingTTL, server2_, 3)); |
| 1176 | int value = 0; |
| 1177 | Send(new SyncChannelTestMsg_PingTTL(4, &value)); |
| 1178 | if (ping_ == 3 && value == 4) |
| 1179 | ++*success_; |
| 1180 | else |
| 1181 | LOG(ERROR) << "Send failed to dispatch message from unrestricted channel"; |
| 1182 | |
| 1183 | non_restricted_channel_->Send(new SyncChannelTestMsg_Done); |
| 1184 | non_restricted_channel_.reset(); |
piman@google.com | 0cbefaa | 2011-04-08 12:38:21 +0900 | [diff] [blame] | 1185 | Send(new SyncChannelTestMsg_Done); |
| 1186 | Done(); |
| 1187 | } |
| 1188 | |
| 1189 | private: |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 1190 | virtual bool OnMessageReceived(const Message& message) override { |
piman@google.com | 0cbefaa | 2011-04-08 12:38:21 +0900 | [diff] [blame] | 1191 | IPC_BEGIN_MESSAGE_MAP(RestrictedDispatchClient, message) |
| 1192 | IPC_MESSAGE_HANDLER(SyncChannelTestMsg_Ping, OnPing) |
piman@chromium.org | 5a00b88 | 2012-03-31 06:29:30 +0900 | [diff] [blame] | 1193 | IPC_MESSAGE_HANDLER_DELAY_REPLY(SyncChannelTestMsg_PingTTL, OnPingTTL) |
piman@google.com | 0cbefaa | 2011-04-08 12:38:21 +0900 | [diff] [blame] | 1194 | IPC_END_MESSAGE_MAP() |
| 1195 | return true; |
| 1196 | } |
| 1197 | |
| 1198 | void OnPing(int ping) { |
| 1199 | ping_ = ping; |
| 1200 | } |
| 1201 | |
piman@chromium.org | 5a00b88 | 2012-03-31 06:29:30 +0900 | [diff] [blame] | 1202 | void OnPingTTL(int ping, IPC::Message* reply) { |
| 1203 | ping_ = ping; |
| 1204 | // This message comes from the NonRestrictedDispatchServer, we have to send |
| 1205 | // the reply back manually. |
| 1206 | SyncChannelTestMsg_PingTTL::WriteReplyParams(reply, ping); |
| 1207 | non_restricted_channel_->Send(reply); |
| 1208 | } |
| 1209 | |
piman@google.com | 0cbefaa | 2011-04-08 12:38:21 +0900 | [diff] [blame] | 1210 | int ping_; |
| 1211 | RestrictedDispatchServer* server_; |
piman@chromium.org | 5a00b88 | 2012-03-31 06:29:30 +0900 | [diff] [blame] | 1212 | NonRestrictedDispatchServer* server2_; |
piman@google.com | 0cbefaa | 2011-04-08 12:38:21 +0900 | [diff] [blame] | 1213 | int* success_; |
| 1214 | WaitableEvent* sent_ping_event_; |
piman@chromium.org | 5a00b88 | 2012-03-31 06:29:30 +0900 | [diff] [blame] | 1215 | scoped_ptr<SyncChannel> non_restricted_channel_; |
piman@google.com | 0cbefaa | 2011-04-08 12:38:21 +0900 | [diff] [blame] | 1216 | }; |
| 1217 | |
piman@google.com | 0cbefaa | 2011-04-08 12:38:21 +0900 | [diff] [blame] | 1218 | TEST_F(IPCSyncChannelTest, RestrictedDispatch) { |
| 1219 | WaitableEvent sent_ping_event(false, false); |
piman@chromium.org | 5a00b88 | 2012-03-31 06:29:30 +0900 | [diff] [blame] | 1220 | WaitableEvent wait_event(false, false); |
piman@google.com | 0cbefaa | 2011-04-08 12:38:21 +0900 | [diff] [blame] | 1221 | RestrictedDispatchServer* server = |
piman@chromium.org | 5a00b88 | 2012-03-31 06:29:30 +0900 | [diff] [blame] | 1222 | new RestrictedDispatchServer(&sent_ping_event, &wait_event); |
| 1223 | NonRestrictedDispatchServer* server2 = |
| 1224 | new NonRestrictedDispatchServer(&wait_event); |
| 1225 | |
piman@google.com | 0cbefaa | 2011-04-08 12:38:21 +0900 | [diff] [blame] | 1226 | int success = 0; |
| 1227 | std::vector<Worker*> workers; |
piman@google.com | 0cbefaa | 2011-04-08 12:38:21 +0900 | [diff] [blame] | 1228 | workers.push_back(server); |
piman@chromium.org | 5a00b88 | 2012-03-31 06:29:30 +0900 | [diff] [blame] | 1229 | workers.push_back(server2); |
| 1230 | workers.push_back(new RestrictedDispatchClient( |
| 1231 | &sent_ping_event, server, server2, &success)); |
piman@google.com | 0cbefaa | 2011-04-08 12:38:21 +0900 | [diff] [blame] | 1232 | RunTest(workers); |
piman@chromium.org | 5a00b88 | 2012-03-31 06:29:30 +0900 | [diff] [blame] | 1233 | EXPECT_EQ(4, success); |
piman@google.com | 0cbefaa | 2011-04-08 12:38:21 +0900 | [diff] [blame] | 1234 | } |
kushi.p@gmail.com | 5948bf4 | 2011-05-14 07:42:41 +0900 | [diff] [blame] | 1235 | |
viettrungluu@chromium.org | 7ca1913 | 2013-01-12 05:56:22 +0900 | [diff] [blame] | 1236 | //------------------------------------------------------------------------------ |
jhorwich@chromium.org | 3c3a813 | 2012-01-12 07:39:54 +0900 | [diff] [blame] | 1237 | |
| 1238 | // This test case inspired by crbug.com/108491 |
| 1239 | // We create two servers that use the same ListenerThread but have |
| 1240 | // SetRestrictDispatchToSameChannel set to true. |
| 1241 | // We create clients, then use some specific WaitableEvent wait/signalling to |
| 1242 | // ensure that messages get dispatched in a way that causes a deadlock due to |
| 1243 | // a nested dispatch and an eligible message in a higher-level dispatch's |
| 1244 | // delayed_queue. Specifically, we start with client1 about so send an |
| 1245 | // unblocking message to server1, while the shared listener thread for the |
| 1246 | // servers server1 and server2 is about to send a non-unblocking message to |
| 1247 | // client1. At the same time, client2 will be about to send an unblocking |
| 1248 | // message to server2. Server1 will handle the client1->server1 message by |
| 1249 | // telling server2 to send a non-unblocking message to client2. |
| 1250 | // What should happen is that the send to server2 should find the pending, |
| 1251 | // same-context client2->server2 message to dispatch, causing client2 to |
| 1252 | // unblock then handle the server2->client2 message, so that the shared |
| 1253 | // servers' listener thread can then respond to the client1->server1 message. |
| 1254 | // Then client1 can handle the non-unblocking server1->client1 message. |
| 1255 | // The old code would end up in a state where the server2->client2 message is |
| 1256 | // sent, but the client2->server2 message (which is eligible for dispatch, and |
| 1257 | // which is what client2 is waiting for) is stashed in a local delayed_queue |
| 1258 | // that has server1's channel context, causing a deadlock. |
| 1259 | // WaitableEvents in the events array are used to: |
| 1260 | // event 0: indicate to client1 that server listener is in OnDoServerTask |
| 1261 | // event 1: indicate to client1 that client2 listener is in OnDoClient2Task |
| 1262 | // event 2: indicate to server1 that client2 listener is in OnDoClient2Task |
| 1263 | // event 3: indicate to client2 that server listener is in OnDoServerTask |
| 1264 | |
jhorwich@chromium.org | 3c3a813 | 2012-01-12 07:39:54 +0900 | [diff] [blame] | 1265 | class RestrictedDispatchDeadlockServer : public Worker { |
| 1266 | public: |
| 1267 | RestrictedDispatchDeadlockServer(int server_num, |
| 1268 | WaitableEvent* server_ready_event, |
| 1269 | WaitableEvent** events, |
| 1270 | RestrictedDispatchDeadlockServer* peer) |
| 1271 | : Worker(server_num == 1 ? "channel1" : "channel2", Channel::MODE_SERVER), |
| 1272 | server_num_(server_num), |
| 1273 | server_ready_event_(server_ready_event), |
| 1274 | events_(events), |
thakis@chromium.org | ad1a2c5 | 2012-07-21 01:17:29 +0900 | [diff] [blame] | 1275 | peer_(peer) { } |
jhorwich@chromium.org | 3c3a813 | 2012-01-12 07:39:54 +0900 | [diff] [blame] | 1276 | |
| 1277 | void OnDoServerTask() { |
| 1278 | events_[3]->Signal(); |
| 1279 | events_[2]->Wait(); |
| 1280 | events_[0]->Signal(); |
| 1281 | SendMessageToClient(); |
| 1282 | } |
| 1283 | |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 1284 | virtual void Run() override { |
piman@chromium.org | 5a00b88 | 2012-03-31 06:29:30 +0900 | [diff] [blame] | 1285 | channel()->SetRestrictDispatchChannelGroup(1); |
jhorwich@chromium.org | 3c3a813 | 2012-01-12 07:39:54 +0900 | [diff] [blame] | 1286 | server_ready_event_->Signal(); |
| 1287 | } |
| 1288 | |
| 1289 | base::Thread* ListenerThread() { return Worker::ListenerThread(); } |
| 1290 | |
| 1291 | private: |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 1292 | virtual bool OnMessageReceived(const Message& message) override { |
jhorwich@chromium.org | 3c3a813 | 2012-01-12 07:39:54 +0900 | [diff] [blame] | 1293 | IPC_BEGIN_MESSAGE_MAP(RestrictedDispatchDeadlockServer, message) |
| 1294 | IPC_MESSAGE_HANDLER(SyncChannelTestMsg_NoArgs, OnNoArgs) |
| 1295 | IPC_MESSAGE_HANDLER(SyncChannelTestMsg_Done, Done) |
| 1296 | IPC_END_MESSAGE_MAP() |
| 1297 | return true; |
| 1298 | } |
| 1299 | |
| 1300 | void OnNoArgs() { |
| 1301 | if (server_num_ == 1) { |
| 1302 | DCHECK(peer_ != NULL); |
| 1303 | peer_->SendMessageToClient(); |
| 1304 | } |
| 1305 | } |
| 1306 | |
| 1307 | void SendMessageToClient() { |
| 1308 | Message* msg = new SyncChannelTestMsg_NoArgs; |
| 1309 | msg->set_unblock(false); |
| 1310 | DCHECK(!msg->should_unblock()); |
| 1311 | Send(msg); |
| 1312 | } |
| 1313 | |
| 1314 | int server_num_; |
| 1315 | WaitableEvent* server_ready_event_; |
| 1316 | WaitableEvent** events_; |
| 1317 | RestrictedDispatchDeadlockServer* peer_; |
jhorwich@chromium.org | 3c3a813 | 2012-01-12 07:39:54 +0900 | [diff] [blame] | 1318 | }; |
| 1319 | |
| 1320 | class RestrictedDispatchDeadlockClient2 : public Worker { |
| 1321 | public: |
| 1322 | RestrictedDispatchDeadlockClient2(RestrictedDispatchDeadlockServer* server, |
| 1323 | WaitableEvent* server_ready_event, |
| 1324 | WaitableEvent** events) |
| 1325 | : Worker("channel2", Channel::MODE_CLIENT), |
jhorwich@chromium.org | 3c3a813 | 2012-01-12 07:39:54 +0900 | [diff] [blame] | 1326 | server_ready_event_(server_ready_event), |
| 1327 | events_(events), |
| 1328 | received_msg_(false), |
| 1329 | received_noarg_reply_(false), |
| 1330 | done_issued_(false) {} |
| 1331 | |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 1332 | virtual void Run() override { |
jhorwich@chromium.org | 3c3a813 | 2012-01-12 07:39:54 +0900 | [diff] [blame] | 1333 | server_ready_event_->Wait(); |
| 1334 | } |
| 1335 | |
| 1336 | void OnDoClient2Task() { |
| 1337 | events_[3]->Wait(); |
| 1338 | events_[1]->Signal(); |
| 1339 | events_[2]->Signal(); |
| 1340 | DCHECK(received_msg_ == false); |
| 1341 | |
| 1342 | Message* message = new SyncChannelTestMsg_NoArgs; |
| 1343 | message->set_unblock(true); |
| 1344 | Send(message); |
| 1345 | received_noarg_reply_ = true; |
| 1346 | } |
| 1347 | |
| 1348 | base::Thread* ListenerThread() { return Worker::ListenerThread(); } |
| 1349 | private: |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 1350 | virtual bool OnMessageReceived(const Message& message) override { |
jhorwich@chromium.org | 3c3a813 | 2012-01-12 07:39:54 +0900 | [diff] [blame] | 1351 | IPC_BEGIN_MESSAGE_MAP(RestrictedDispatchDeadlockClient2, message) |
| 1352 | IPC_MESSAGE_HANDLER(SyncChannelTestMsg_NoArgs, OnNoArgs) |
| 1353 | IPC_END_MESSAGE_MAP() |
| 1354 | return true; |
| 1355 | } |
| 1356 | |
| 1357 | void OnNoArgs() { |
| 1358 | received_msg_ = true; |
| 1359 | PossiblyDone(); |
| 1360 | } |
| 1361 | |
| 1362 | void PossiblyDone() { |
| 1363 | if (received_noarg_reply_ && received_msg_) { |
| 1364 | DCHECK(done_issued_ == false); |
| 1365 | done_issued_ = true; |
| 1366 | Send(new SyncChannelTestMsg_Done); |
| 1367 | Done(); |
| 1368 | } |
| 1369 | } |
| 1370 | |
jhorwich@chromium.org | 3c3a813 | 2012-01-12 07:39:54 +0900 | [diff] [blame] | 1371 | WaitableEvent* server_ready_event_; |
| 1372 | WaitableEvent** events_; |
| 1373 | bool received_msg_; |
| 1374 | bool received_noarg_reply_; |
| 1375 | bool done_issued_; |
| 1376 | }; |
| 1377 | |
| 1378 | class RestrictedDispatchDeadlockClient1 : public Worker { |
| 1379 | public: |
| 1380 | RestrictedDispatchDeadlockClient1(RestrictedDispatchDeadlockServer* server, |
| 1381 | RestrictedDispatchDeadlockClient2* peer, |
| 1382 | WaitableEvent* server_ready_event, |
| 1383 | WaitableEvent** events) |
| 1384 | : Worker("channel1", Channel::MODE_CLIENT), |
| 1385 | server_(server), |
| 1386 | peer_(peer), |
| 1387 | server_ready_event_(server_ready_event), |
| 1388 | events_(events), |
| 1389 | received_msg_(false), |
| 1390 | received_noarg_reply_(false), |
| 1391 | done_issued_(false) {} |
| 1392 | |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 1393 | virtual void Run() override { |
jhorwich@chromium.org | 3c3a813 | 2012-01-12 07:39:54 +0900 | [diff] [blame] | 1394 | server_ready_event_->Wait(); |
| 1395 | server_->ListenerThread()->message_loop()->PostTask( |
| 1396 | FROM_HERE, |
| 1397 | base::Bind(&RestrictedDispatchDeadlockServer::OnDoServerTask, server_)); |
| 1398 | peer_->ListenerThread()->message_loop()->PostTask( |
| 1399 | FROM_HERE, |
| 1400 | base::Bind(&RestrictedDispatchDeadlockClient2::OnDoClient2Task, peer_)); |
| 1401 | events_[0]->Wait(); |
| 1402 | events_[1]->Wait(); |
| 1403 | DCHECK(received_msg_ == false); |
| 1404 | |
| 1405 | Message* message = new SyncChannelTestMsg_NoArgs; |
| 1406 | message->set_unblock(true); |
| 1407 | Send(message); |
| 1408 | received_noarg_reply_ = true; |
| 1409 | PossiblyDone(); |
| 1410 | } |
| 1411 | |
jhorwich@chromium.org | 3c3a813 | 2012-01-12 07:39:54 +0900 | [diff] [blame] | 1412 | private: |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 1413 | virtual bool OnMessageReceived(const Message& message) override { |
jhorwich@chromium.org | 3c3a813 | 2012-01-12 07:39:54 +0900 | [diff] [blame] | 1414 | IPC_BEGIN_MESSAGE_MAP(RestrictedDispatchDeadlockClient1, message) |
| 1415 | IPC_MESSAGE_HANDLER(SyncChannelTestMsg_NoArgs, OnNoArgs) |
| 1416 | IPC_END_MESSAGE_MAP() |
| 1417 | return true; |
| 1418 | } |
| 1419 | |
| 1420 | void OnNoArgs() { |
| 1421 | received_msg_ = true; |
| 1422 | PossiblyDone(); |
| 1423 | } |
| 1424 | |
| 1425 | void PossiblyDone() { |
| 1426 | if (received_noarg_reply_ && received_msg_) { |
| 1427 | DCHECK(done_issued_ == false); |
| 1428 | done_issued_ = true; |
| 1429 | Send(new SyncChannelTestMsg_Done); |
| 1430 | Done(); |
| 1431 | } |
| 1432 | } |
| 1433 | |
| 1434 | RestrictedDispatchDeadlockServer* server_; |
| 1435 | RestrictedDispatchDeadlockClient2* peer_; |
| 1436 | WaitableEvent* server_ready_event_; |
| 1437 | WaitableEvent** events_; |
| 1438 | bool received_msg_; |
| 1439 | bool received_noarg_reply_; |
| 1440 | bool done_issued_; |
| 1441 | }; |
| 1442 | |
jhorwich@chromium.org | 3c3a813 | 2012-01-12 07:39:54 +0900 | [diff] [blame] | 1443 | TEST_F(IPCSyncChannelTest, RestrictedDispatchDeadlock) { |
| 1444 | std::vector<Worker*> workers; |
| 1445 | |
| 1446 | // A shared worker thread so that server1 and server2 run on one thread. |
| 1447 | base::Thread worker_thread("RestrictedDispatchDeadlock"); |
| 1448 | ASSERT_TRUE(worker_thread.Start()); |
| 1449 | |
| 1450 | WaitableEvent server1_ready(false, false); |
| 1451 | WaitableEvent server2_ready(false, false); |
| 1452 | |
| 1453 | WaitableEvent event0(false, false); |
| 1454 | WaitableEvent event1(false, false); |
| 1455 | WaitableEvent event2(false, false); |
| 1456 | WaitableEvent event3(false, false); |
| 1457 | WaitableEvent* events[4] = {&event0, &event1, &event2, &event3}; |
| 1458 | |
| 1459 | RestrictedDispatchDeadlockServer* server1; |
| 1460 | RestrictedDispatchDeadlockServer* server2; |
| 1461 | RestrictedDispatchDeadlockClient1* client1; |
| 1462 | RestrictedDispatchDeadlockClient2* client2; |
| 1463 | |
| 1464 | server2 = new RestrictedDispatchDeadlockServer(2, &server2_ready, events, |
| 1465 | NULL); |
| 1466 | server2->OverrideThread(&worker_thread); |
| 1467 | workers.push_back(server2); |
| 1468 | |
| 1469 | client2 = new RestrictedDispatchDeadlockClient2(server2, &server2_ready, |
| 1470 | events); |
| 1471 | workers.push_back(client2); |
| 1472 | |
| 1473 | server1 = new RestrictedDispatchDeadlockServer(1, &server1_ready, events, |
| 1474 | server2); |
| 1475 | server1->OverrideThread(&worker_thread); |
| 1476 | workers.push_back(server1); |
| 1477 | |
| 1478 | client1 = new RestrictedDispatchDeadlockClient1(server1, client2, |
| 1479 | &server1_ready, events); |
| 1480 | workers.push_back(client1); |
| 1481 | |
| 1482 | RunTest(workers); |
| 1483 | } |
| 1484 | |
viettrungluu@chromium.org | 7ca1913 | 2013-01-12 05:56:22 +0900 | [diff] [blame] | 1485 | //------------------------------------------------------------------------------ |
jschuh@chromium.org | f75a4d1 | 2012-03-17 11:20:46 +0900 | [diff] [blame] | 1486 | |
piman@chromium.org | 5a00b88 | 2012-03-31 06:29:30 +0900 | [diff] [blame] | 1487 | // This test case inspired by crbug.com/120530 |
| 1488 | // We create 4 workers that pipe to each other W1->W2->W3->W4->W1 then we send a |
| 1489 | // message that recurses through 3, 4 or 5 steps to make sure, say, W1 can |
| 1490 | // re-enter when called from W4 while it's sending a message to W2. |
| 1491 | // The first worker drives the whole test so it must be treated specially. |
piman@chromium.org | 5a00b88 | 2012-03-31 06:29:30 +0900 | [diff] [blame] | 1492 | |
| 1493 | class RestrictedDispatchPipeWorker : public Worker { |
| 1494 | public: |
| 1495 | RestrictedDispatchPipeWorker( |
| 1496 | const std::string &channel1, |
| 1497 | WaitableEvent* event1, |
| 1498 | const std::string &channel2, |
| 1499 | WaitableEvent* event2, |
| 1500 | int group, |
| 1501 | int* success) |
| 1502 | : Worker(channel1, Channel::MODE_SERVER), |
| 1503 | event1_(event1), |
| 1504 | event2_(event2), |
| 1505 | other_channel_name_(channel2), |
| 1506 | group_(group), |
| 1507 | success_(success) { |
| 1508 | } |
| 1509 | |
| 1510 | void OnPingTTL(int ping, int* ret) { |
| 1511 | *ret = 0; |
| 1512 | if (!ping) |
| 1513 | return; |
| 1514 | other_channel_->Send(new SyncChannelTestMsg_PingTTL(ping - 1, ret)); |
| 1515 | ++*ret; |
| 1516 | } |
| 1517 | |
| 1518 | void OnDone() { |
| 1519 | if (is_first()) |
| 1520 | return; |
| 1521 | other_channel_->Send(new SyncChannelTestMsg_Done); |
| 1522 | other_channel_.reset(); |
| 1523 | Done(); |
| 1524 | } |
| 1525 | |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 1526 | virtual void Run() override { |
piman@chromium.org | 5a00b88 | 2012-03-31 06:29:30 +0900 | [diff] [blame] | 1527 | channel()->SetRestrictDispatchChannelGroup(group_); |
| 1528 | if (is_first()) |
| 1529 | event1_->Signal(); |
| 1530 | event2_->Wait(); |
morrita@chromium.org | 15b4860 | 2014-06-06 01:15:38 +0900 | [diff] [blame] | 1531 | other_channel_ = |
| 1532 | SyncChannel::Create(other_channel_name_, |
| 1533 | IPC::Channel::MODE_CLIENT, |
| 1534 | this, |
| 1535 | ipc_thread().message_loop_proxy().get(), |
| 1536 | true, |
| 1537 | shutdown_event()); |
piman@chromium.org | 5a00b88 | 2012-03-31 06:29:30 +0900 | [diff] [blame] | 1538 | other_channel_->SetRestrictDispatchChannelGroup(group_); |
| 1539 | if (!is_first()) { |
| 1540 | event1_->Signal(); |
| 1541 | return; |
| 1542 | } |
| 1543 | *success_ = 0; |
| 1544 | int value = 0; |
| 1545 | OnPingTTL(3, &value); |
| 1546 | *success_ += (value == 3); |
| 1547 | OnPingTTL(4, &value); |
| 1548 | *success_ += (value == 4); |
| 1549 | OnPingTTL(5, &value); |
| 1550 | *success_ += (value == 5); |
| 1551 | other_channel_->Send(new SyncChannelTestMsg_Done); |
| 1552 | other_channel_.reset(); |
| 1553 | Done(); |
| 1554 | } |
| 1555 | |
| 1556 | bool is_first() { return !!success_; } |
| 1557 | |
| 1558 | private: |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 1559 | virtual bool OnMessageReceived(const Message& message) override { |
piman@chromium.org | 5a00b88 | 2012-03-31 06:29:30 +0900 | [diff] [blame] | 1560 | IPC_BEGIN_MESSAGE_MAP(RestrictedDispatchPipeWorker, message) |
| 1561 | IPC_MESSAGE_HANDLER(SyncChannelTestMsg_PingTTL, OnPingTTL) |
| 1562 | IPC_MESSAGE_HANDLER(SyncChannelTestMsg_Done, OnDone) |
| 1563 | IPC_END_MESSAGE_MAP() |
| 1564 | return true; |
| 1565 | } |
| 1566 | |
| 1567 | scoped_ptr<SyncChannel> other_channel_; |
| 1568 | WaitableEvent* event1_; |
| 1569 | WaitableEvent* event2_; |
| 1570 | std::string other_channel_name_; |
| 1571 | int group_; |
| 1572 | int* success_; |
| 1573 | }; |
| 1574 | |
piman@chromium.org | 5a00b88 | 2012-03-31 06:29:30 +0900 | [diff] [blame] | 1575 | TEST_F(IPCSyncChannelTest, RestrictedDispatch4WayDeadlock) { |
| 1576 | int success = 0; |
| 1577 | std::vector<Worker*> workers; |
| 1578 | WaitableEvent event0(true, false); |
| 1579 | WaitableEvent event1(true, false); |
| 1580 | WaitableEvent event2(true, false); |
| 1581 | WaitableEvent event3(true, false); |
| 1582 | workers.push_back(new RestrictedDispatchPipeWorker( |
| 1583 | "channel0", &event0, "channel1", &event1, 1, &success)); |
| 1584 | workers.push_back(new RestrictedDispatchPipeWorker( |
| 1585 | "channel1", &event1, "channel2", &event2, 2, NULL)); |
| 1586 | workers.push_back(new RestrictedDispatchPipeWorker( |
| 1587 | "channel2", &event2, "channel3", &event3, 3, NULL)); |
| 1588 | workers.push_back(new RestrictedDispatchPipeWorker( |
| 1589 | "channel3", &event3, "channel0", &event0, 4, NULL)); |
| 1590 | RunTest(workers); |
| 1591 | EXPECT_EQ(3, success); |
| 1592 | } |
| 1593 | |
viettrungluu@chromium.org | 7ca1913 | 2013-01-12 05:56:22 +0900 | [diff] [blame] | 1594 | //------------------------------------------------------------------------------ |
piman@chromium.org | de4e75e | 2012-04-11 05:07:53 +0900 | [diff] [blame] | 1595 | |
piman@chromium.org | de4e75e | 2012-04-11 05:07:53 +0900 | [diff] [blame] | 1596 | // This test case inspired by crbug.com/122443 |
| 1597 | // We want to make sure a reply message with the unblock flag set correctly |
| 1598 | // behaves as a reply, not a regular message. |
| 1599 | // We have 3 workers. Server1 will send a message to Server2 (which will block), |
| 1600 | // during which it will dispatch a message comming from Client, at which point |
| 1601 | // it will send another message to Server2. While sending that second message it |
| 1602 | // will receive a reply from Server1 with the unblock flag. |
| 1603 | |
piman@chromium.org | de4e75e | 2012-04-11 05:07:53 +0900 | [diff] [blame] | 1604 | class ReentrantReplyServer1 : public Worker { |
| 1605 | public: |
| 1606 | ReentrantReplyServer1(WaitableEvent* server_ready) |
| 1607 | : Worker("reentrant_reply1", Channel::MODE_SERVER), |
| 1608 | server_ready_(server_ready) { } |
| 1609 | |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 1610 | virtual void Run() override { |
morrita@chromium.org | 15b4860 | 2014-06-06 01:15:38 +0900 | [diff] [blame] | 1611 | server2_channel_ = |
| 1612 | SyncChannel::Create("reentrant_reply2", |
| 1613 | IPC::Channel::MODE_CLIENT, |
| 1614 | this, |
| 1615 | ipc_thread().message_loop_proxy().get(), |
| 1616 | true, |
| 1617 | shutdown_event()); |
piman@chromium.org | de4e75e | 2012-04-11 05:07:53 +0900 | [diff] [blame] | 1618 | server_ready_->Signal(); |
| 1619 | Message* msg = new SyncChannelTestMsg_Reentrant1(); |
| 1620 | server2_channel_->Send(msg); |
| 1621 | server2_channel_.reset(); |
| 1622 | Done(); |
| 1623 | } |
| 1624 | |
| 1625 | private: |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 1626 | virtual bool OnMessageReceived(const Message& message) override { |
piman@chromium.org | de4e75e | 2012-04-11 05:07:53 +0900 | [diff] [blame] | 1627 | IPC_BEGIN_MESSAGE_MAP(ReentrantReplyServer1, message) |
| 1628 | IPC_MESSAGE_HANDLER(SyncChannelTestMsg_Reentrant2, OnReentrant2) |
| 1629 | IPC_REPLY_HANDLER(OnReply) |
| 1630 | IPC_END_MESSAGE_MAP() |
| 1631 | return true; |
| 1632 | } |
| 1633 | |
| 1634 | void OnReentrant2() { |
| 1635 | Message* msg = new SyncChannelTestMsg_Reentrant3(); |
| 1636 | server2_channel_->Send(msg); |
| 1637 | } |
| 1638 | |
| 1639 | void OnReply(const Message& message) { |
| 1640 | // If we get here, the Send() will never receive the reply (thus would |
| 1641 | // hang), so abort instead. |
| 1642 | LOG(FATAL) << "Reply message was dispatched"; |
| 1643 | } |
| 1644 | |
| 1645 | WaitableEvent* server_ready_; |
| 1646 | scoped_ptr<SyncChannel> server2_channel_; |
| 1647 | }; |
| 1648 | |
| 1649 | class ReentrantReplyServer2 : public Worker { |
| 1650 | public: |
| 1651 | ReentrantReplyServer2() |
| 1652 | : Worker("reentrant_reply2", Channel::MODE_SERVER), |
| 1653 | reply_(NULL) { } |
| 1654 | |
| 1655 | private: |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 1656 | virtual bool OnMessageReceived(const Message& message) override { |
piman@chromium.org | de4e75e | 2012-04-11 05:07:53 +0900 | [diff] [blame] | 1657 | IPC_BEGIN_MESSAGE_MAP(ReentrantReplyServer2, message) |
| 1658 | IPC_MESSAGE_HANDLER_DELAY_REPLY( |
| 1659 | SyncChannelTestMsg_Reentrant1, OnReentrant1) |
| 1660 | IPC_MESSAGE_HANDLER(SyncChannelTestMsg_Reentrant3, OnReentrant3) |
| 1661 | IPC_END_MESSAGE_MAP() |
| 1662 | return true; |
| 1663 | } |
| 1664 | |
| 1665 | void OnReentrant1(Message* reply) { |
| 1666 | DCHECK(!reply_); |
| 1667 | reply_ = reply; |
| 1668 | } |
| 1669 | |
| 1670 | void OnReentrant3() { |
| 1671 | DCHECK(reply_); |
| 1672 | Message* reply = reply_; |
| 1673 | reply_ = NULL; |
| 1674 | reply->set_unblock(true); |
| 1675 | Send(reply); |
| 1676 | Done(); |
| 1677 | } |
| 1678 | |
| 1679 | Message* reply_; |
| 1680 | }; |
| 1681 | |
| 1682 | class ReentrantReplyClient : public Worker { |
| 1683 | public: |
| 1684 | ReentrantReplyClient(WaitableEvent* server_ready) |
| 1685 | : Worker("reentrant_reply1", Channel::MODE_CLIENT), |
| 1686 | server_ready_(server_ready) { } |
| 1687 | |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 1688 | virtual void Run() override { |
piman@chromium.org | de4e75e | 2012-04-11 05:07:53 +0900 | [diff] [blame] | 1689 | server_ready_->Wait(); |
| 1690 | Send(new SyncChannelTestMsg_Reentrant2()); |
| 1691 | Done(); |
| 1692 | } |
| 1693 | |
| 1694 | private: |
| 1695 | WaitableEvent* server_ready_; |
| 1696 | }; |
| 1697 | |
piman@chromium.org | de4e75e | 2012-04-11 05:07:53 +0900 | [diff] [blame] | 1698 | TEST_F(IPCSyncChannelTest, ReentrantReply) { |
| 1699 | std::vector<Worker*> workers; |
| 1700 | WaitableEvent server_ready(false, false); |
| 1701 | workers.push_back(new ReentrantReplyServer2()); |
| 1702 | workers.push_back(new ReentrantReplyServer1(&server_ready)); |
| 1703 | workers.push_back(new ReentrantReplyClient(&server_ready)); |
| 1704 | RunTest(workers); |
| 1705 | } |
| 1706 | |
viettrungluu@chromium.org | 7ca1913 | 2013-01-12 05:56:22 +0900 | [diff] [blame] | 1707 | //------------------------------------------------------------------------------ |
piman@chromium.org | 5a00b88 | 2012-03-31 06:29:30 +0900 | [diff] [blame] | 1708 | |
jschuh@chromium.org | f75a4d1 | 2012-03-17 11:20:46 +0900 | [diff] [blame] | 1709 | // Generate a validated channel ID using Channel::GenerateVerifiedChannelID(). |
jschuh@chromium.org | f75a4d1 | 2012-03-17 11:20:46 +0900 | [diff] [blame] | 1710 | |
| 1711 | class VerifiedServer : public Worker { |
| 1712 | public: |
| 1713 | VerifiedServer(base::Thread* listener_thread, |
| 1714 | const std::string& channel_name, |
| 1715 | const std::string& reply_text) |
| 1716 | : Worker(channel_name, Channel::MODE_SERVER), |
| 1717 | reply_text_(reply_text) { |
| 1718 | Worker::OverrideThread(listener_thread); |
| 1719 | } |
| 1720 | |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 1721 | virtual void OnNestedTestMsg(Message* reply_msg) override { |
jschuh@chromium.org | f75a4d1 | 2012-03-17 11:20:46 +0900 | [diff] [blame] | 1722 | VLOG(1) << __FUNCTION__ << " Sending reply: " << reply_text_; |
| 1723 | SyncChannelNestedTestMsg_String::WriteReplyParams(reply_msg, reply_text_); |
| 1724 | Send(reply_msg); |
morrita@chromium.org | fde2b6b | 2014-06-07 05:13:51 +0900 | [diff] [blame] | 1725 | ASSERT_EQ(channel()->GetPeerPID(), base::GetCurrentProcId()); |
jschuh@chromium.org | f75a4d1 | 2012-03-17 11:20:46 +0900 | [diff] [blame] | 1726 | Done(); |
| 1727 | } |
| 1728 | |
| 1729 | private: |
| 1730 | std::string reply_text_; |
| 1731 | }; |
| 1732 | |
| 1733 | class VerifiedClient : public Worker { |
| 1734 | public: |
| 1735 | VerifiedClient(base::Thread* listener_thread, |
| 1736 | const std::string& channel_name, |
| 1737 | const std::string& expected_text) |
| 1738 | : Worker(channel_name, Channel::MODE_CLIENT), |
| 1739 | expected_text_(expected_text) { |
| 1740 | Worker::OverrideThread(listener_thread); |
| 1741 | } |
| 1742 | |
mostynb | d41cdbb | 2014-10-07 16:17:16 +0900 | [diff] [blame^] | 1743 | virtual void Run() override { |
jschuh@chromium.org | f75a4d1 | 2012-03-17 11:20:46 +0900 | [diff] [blame] | 1744 | std::string response; |
| 1745 | SyncMessage* msg = new SyncChannelNestedTestMsg_String(&response); |
| 1746 | bool result = Send(msg); |
| 1747 | DCHECK(result); |
| 1748 | DCHECK_EQ(response, expected_text_); |
thakis@chromium.org | cdf5b3b | 2012-06-28 01:07:34 +0900 | [diff] [blame] | 1749 | // expected_text_ is only used in the above DCHECK. This line suppresses the |
| 1750 | // "unused private field" warning in release builds. |
| 1751 | (void)expected_text_; |
jschuh@chromium.org | f75a4d1 | 2012-03-17 11:20:46 +0900 | [diff] [blame] | 1752 | |
| 1753 | VLOG(1) << __FUNCTION__ << " Received reply: " << response; |
morrita@chromium.org | fde2b6b | 2014-06-07 05:13:51 +0900 | [diff] [blame] | 1754 | ASSERT_EQ(channel()->GetPeerPID(), base::GetCurrentProcId()); |
jschuh@chromium.org | f75a4d1 | 2012-03-17 11:20:46 +0900 | [diff] [blame] | 1755 | Done(); |
| 1756 | } |
| 1757 | |
| 1758 | private: |
jschuh@chromium.org | f75a4d1 | 2012-03-17 11:20:46 +0900 | [diff] [blame] | 1759 | std::string expected_text_; |
| 1760 | }; |
| 1761 | |
| 1762 | void Verified() { |
| 1763 | std::vector<Worker*> workers; |
| 1764 | |
| 1765 | // A shared worker thread for servers |
| 1766 | base::Thread server_worker_thread("Verified_ServerListener"); |
| 1767 | ASSERT_TRUE(server_worker_thread.Start()); |
| 1768 | |
| 1769 | base::Thread client_worker_thread("Verified_ClientListener"); |
| 1770 | ASSERT_TRUE(client_worker_thread.Start()); |
| 1771 | |
| 1772 | std::string channel_id = Channel::GenerateVerifiedChannelID("Verified"); |
| 1773 | Worker* worker; |
| 1774 | |
| 1775 | worker = new VerifiedServer(&server_worker_thread, |
| 1776 | channel_id, |
| 1777 | "Got first message"); |
| 1778 | workers.push_back(worker); |
| 1779 | |
| 1780 | worker = new VerifiedClient(&client_worker_thread, |
| 1781 | channel_id, |
| 1782 | "Got first message"); |
| 1783 | workers.push_back(worker); |
| 1784 | |
| 1785 | RunTest(workers); |
jschuh@chromium.org | f75a4d1 | 2012-03-17 11:20:46 +0900 | [diff] [blame] | 1786 | } |
| 1787 | |
jschuh@chromium.org | f75a4d1 | 2012-03-17 11:20:46 +0900 | [diff] [blame] | 1788 | // Windows needs to send an out-of-band secret to verify the client end of the |
| 1789 | // channel. Test that we still connect correctly in that case. |
| 1790 | TEST_F(IPCSyncChannelTest, Verified) { |
| 1791 | Verified(); |
| 1792 | } |
| 1793 | |
viettrungluu@chromium.org | 7ca1913 | 2013-01-12 05:56:22 +0900 | [diff] [blame] | 1794 | } // namespace |
tfarina@chromium.org | 449e688 | 2013-02-09 05:11:02 +0900 | [diff] [blame] | 1795 | } // namespace IPC |