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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ipc/ipc_mojo_bootstrap.h"
#include <stdint.h>
#include <memory>
#include "base/base_paths.h"
#include "base/files/file.h"
#include "base/message_loop/message_loop.h"
#include "base/run_loop.h"
#include "base/threading/thread_task_runner_handle.h"
#include "build/build_config.h"
#include "ipc/ipc.mojom.h"
#include "ipc/ipc_test_base.h"
#include "mojo/edk/embedder/embedder.h"
#include "mojo/edk/test/mojo_test_base.h"
#include "mojo/edk/test/multiprocess_test_helper.h"
#include "mojo/public/cpp/bindings/associated_binding.h"
#if defined(OS_POSIX)
#include "base/file_descriptor_posix.h"
#endif
namespace {
constexpr int32_t kTestServerPid = 42;
constexpr int32_t kTestClientPid = 4242;
class PeerPidReceiver : public IPC::mojom::Channel {
public:
PeerPidReceiver(IPC::mojom::ChannelAssociatedRequest request,
const base::Closure& on_peer_pid_set)
: binding_(this, std::move(request)), on_peer_pid_set_(on_peer_pid_set) {}
~PeerPidReceiver() override {}
// mojom::Channel:
void SetPeerPid(int32_t pid) override {
peer_pid_ = pid;
on_peer_pid_set_.Run();
}
void Receive(const std::vector<uint8_t>& data,
base::Optional<std::vector<IPC::mojom::SerializedHandlePtr>>
handles) override {}
void GetAssociatedInterface(
const std::string& name,
IPC::mojom::GenericInterfaceAssociatedRequest request) override {}
int32_t peer_pid() const { return peer_pid_; }
private:
mojo::AssociatedBinding<IPC::mojom::Channel> binding_;
const base::Closure on_peer_pid_set_;
int32_t peer_pid_ = -1;
DISALLOW_COPY_AND_ASSIGN(PeerPidReceiver);
};
class IPCMojoBootstrapTest : public testing::Test {
protected:
mojo::edk::test::MultiprocessTestHelper helper_;
};
TEST_F(IPCMojoBootstrapTest, Connect) {
base::MessageLoop message_loop;
std::unique_ptr<IPC::MojoBootstrap> bootstrap = IPC::MojoBootstrap::Create(
helper_.StartChild("IPCMojoBootstrapTestClient"),
IPC::Channel::MODE_SERVER, base::ThreadTaskRunnerHandle::Get());
IPC::mojom::ChannelAssociatedPtr sender;
IPC::mojom::ChannelAssociatedRequest receiver;
bootstrap->Connect(&sender, &receiver);
sender->SetPeerPid(kTestServerPid);
base::RunLoop run_loop;
PeerPidReceiver impl(std::move(receiver), run_loop.QuitClosure());
run_loop.Run();
EXPECT_EQ(kTestClientPid, impl.peer_pid());
EXPECT_TRUE(helper_.WaitForChildTestShutdown());
}
// A long running process that connects to us.
MULTIPROCESS_TEST_MAIN_WITH_SETUP(
IPCMojoBootstrapTestClientTestChildMain,
::mojo::edk::test::MultiprocessTestHelper::ChildSetup) {
base::MessageLoop message_loop;
std::unique_ptr<IPC::MojoBootstrap> bootstrap = IPC::MojoBootstrap::Create(
std::move(mojo::edk::test::MultiprocessTestHelper::primordial_pipe),
IPC::Channel::MODE_CLIENT, base::ThreadTaskRunnerHandle::Get());
IPC::mojom::ChannelAssociatedPtr sender;
IPC::mojom::ChannelAssociatedRequest receiver;
bootstrap->Connect(&sender, &receiver);
sender->SetPeerPid(kTestClientPid);
base::RunLoop run_loop;
PeerPidReceiver impl(std::move(receiver), run_loop.QuitClosure());
run_loop.Run();
EXPECT_EQ(kTestServerPid, impl.peer_pid());
return 0;
}
} // namespace