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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "remoting/protocol/fake_message_pipe.h"
#include <algorithm>
#include <utility>
#include "base/functional/bind.h"
#include "base/location.h"
#include "base/task/single_thread_task_runner.h"
#include "remoting/base/compound_buffer.h"
#include "remoting/protocol/fake_message_pipe_wrapper.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/protobuf/src/google/protobuf/message_lite.h"
namespace remoting::protocol {
FakeMessagePipe::FakeMessagePipe(bool asynchronous)
: asynchronous_(asynchronous) {}
FakeMessagePipe::~FakeMessagePipe() = default;
std::unique_ptr<FakeMessagePipeWrapper> FakeMessagePipe::Wrap() {
auto wrapper = std::make_unique<FakeMessagePipeWrapper>(this);
wrappers_.push_back(wrapper->GetWeakPtr());
return wrapper;
}
void FakeMessagePipe::Start(EventHandler* event_handler) {
ASSERT_TRUE(event_handler_ == nullptr);
ASSERT_TRUE(event_handler != nullptr);
event_handler_ = event_handler;
}
void FakeMessagePipe::Send(google::protobuf::MessageLite* message,
base::OnceClosure done) {
if (asynchronous_) {
base::SingleThreadTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE,
base::BindOnce(
[](FakeMessagePipe* me, google::protobuf::MessageLite* message,
base::OnceClosure done) {
me->SendImpl(message, std::move(done));
},
base::Unretained(this), base::Unretained(message),
std::move(done)));
return;
}
SendImpl(message, std::move(done));
}
void FakeMessagePipe::Receive(std::unique_ptr<CompoundBuffer> message) {
if (asynchronous_) {
base::SingleThreadTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE,
base::BindOnce(
[](FakeMessagePipe* me, std::unique_ptr<CompoundBuffer> message) {
me->ReceiveImpl(std::move(message));
},
base::Unretained(this), std::move(message)));
return;
}
ReceiveImpl(std::move(message));
}
void FakeMessagePipe::ReceiveProtobufMessage(
const google::protobuf::MessageLite& message) {
auto buffer = std::make_unique<CompoundBuffer>();
std::string data = message.SerializeAsString();
buffer->AppendCopyOf(data.data(), data.size());
Receive(std::move(buffer));
}
void FakeMessagePipe::OpenPipe() {
if (asynchronous_) {
base::SingleThreadTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE,
base::BindOnce([](FakeMessagePipe* me) { me->OpenPipeImpl(); },
base::Unretained(this)));
return;
}
OpenPipeImpl();
}
void FakeMessagePipe::ClosePipe() {
if (asynchronous_) {
base::SingleThreadTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE,
base::BindOnce([](FakeMessagePipe* me) { me->ClosePipeImpl(); },
base::Unretained(this)));
return;
}
ClosePipeImpl();
}
bool FakeMessagePipe::HasWrappers() const {
auto* wrappers =
const_cast<std::vector<base::WeakPtr<FakeMessagePipeWrapper>>*>(
&wrappers_);
wrappers->erase(std::remove_if(wrappers->begin(), wrappers->end(),
[](const auto& weak_ptr) {
return weak_ptr.get() == nullptr;
}),
wrappers->end());
return !wrappers->empty();
}
void FakeMessagePipe::SendImpl(google::protobuf::MessageLite* message,
base::OnceClosure done) {
ASSERT_TRUE(pipe_opened_);
std::string message_string;
message->SerializeToString(&message_string);
sent_messages_.push(message_string);
if (done) {
std::move(done).Run();
}
}
void FakeMessagePipe::ReceiveImpl(std::unique_ptr<CompoundBuffer> message) {
ASSERT_TRUE(pipe_opened_);
ASSERT_TRUE(event_handler_ != nullptr);
if (message) {
message->Lock();
}
event_handler_->OnMessageReceived(std::move(message));
}
void FakeMessagePipe::OpenPipeImpl() {
ASSERT_FALSE(pipe_opened_);
ASSERT_TRUE(event_handler_ != nullptr);
pipe_opened_ = true;
event_handler_->OnMessagePipeOpen();
}
void FakeMessagePipe::ClosePipeImpl() {
ASSERT_TRUE(pipe_opened_);
ASSERT_TRUE(event_handler_ != nullptr);
pipe_opened_ = false;
event_handler_->OnMessagePipeClosed();
}
} // namespace remoting::protocol
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