mojo/shell/tests/util.cc - Issue 1877753003: Move mojo\shell to services\shell

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Issue 1877753003: Move mojo\shell to services\shell (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@62scan

Patch Set: . Created 4 years, 8 months ago

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1 // Copyright 2016 The Chromium Authors. All rights reserved.

2 // Use of this source code is governed by a BSD-style license that can be

3 // found in the LICENSE file.

4

5 #include "mojo/shell/tests/util.h"

6

7 #include "base/base_paths.h"

8 #include "base/base_switches.h"

9 #include "base/bind.h"

10 #include "base/command_line.h"

11 #include "base/files/file_path.h"

12 #include "base/macros.h"

13 #include "base/message_loop/message_loop.h"

14 #include "base/path_service.h"

15 #include "base/process/process.h"

16 #include "base/run_loop.h"

17 #include "mojo/edk/embedder/embedder.h"

18 #include "mojo/edk/embedder/platform_channel_pair.h"

19 #include "mojo/edk/embedder/scoped_platform_handle.h"

20 #include "mojo/shell/public/cpp/connection.h"

21 #include "mojo/shell/public/cpp/connector.h"

22 #include "mojo/shell/public/interfaces/connector.mojom.h"

23 #include "mojo/shell/public/interfaces/shell_client_factory.mojom.h"

24 #include "mojo/shell/runner/common/switches.h"

25

26 namespace mojo {

27 namespace shell {

28 namespace test {

29 namespace {

30 void QuitLoop(base::RunLoop* loop) {

31 loop->Quit();

32 }

33 } // namespace

34

35 scoped_ptr<Connection> LaunchAndConnectToProcess(

36 const std::string& target_exe_name,

37 const Identity target,

38 mojo::Connector* connector,

39 base::Process* process) {

40 base::FilePath target_path;

41 CHECK(base::PathService::Get(base::DIR_EXE, &target_path));

42 target_path = target_path.AppendASCII(target_exe_name);

43

44 base::CommandLine child_command_line(target_path);

45 // Forward the wait-for-debugger flag but nothing else - we don't want to

46 // stamp on the platform-channel flag.

47 if (base::CommandLine::ForCurrentProcess()->HasSwitch(

48 switches::kWaitForDebugger)) {

49 child_command_line.AppendSwitch(switches::kWaitForDebugger);

50 }

51

52 // Create the channel to be shared with the target process. Pass one end

53 // on the command line.

54 mojo::edk::PlatformChannelPair platform_channel_pair;

55 mojo::edk::HandlePassingInformation handle_passing_info;

56 platform_channel_pair.PrepareToPassClientHandleToChildProcess(

57 &child_command_line, &handle_passing_info);

58

59 // Generate a token for the child to find and connect to a primordial pipe

60 // and pass that as well.

61 std::string primordial_pipe_token = mojo::edk::GenerateRandomToken();

62 child_command_line.AppendSwitchASCII(switches::kPrimordialPipeToken,

63 primordial_pipe_token);

64

65 // Allocate the pipe locally.

66 mojo::ScopedMessagePipeHandle pipe =

67 mojo::edk::CreateParentMessagePipe(primordial_pipe_token);

68

69 mojo::shell::mojom::ShellClientPtr client;

70 client.Bind(mojo::InterfacePtrInfo<mojo::shell::mojom::ShellClient>(

71 std::move(pipe), 0u));

72 mojo::shell::mojom::PIDReceiverPtr receiver;

73

74 mojo::Connector::ConnectParams params(target);

75 params.set_client_process_connection(std::move(client), GetProxy(&receiver));

76 scoped_ptr<mojo::Connection> connection = connector->Connect(&params);

77 {

78 base::RunLoop loop;

79 connection->AddConnectionCompletedClosure(base::Bind(&QuitLoop, &loop));

80 base::MessageLoop::ScopedNestableTaskAllower allow(

81 base::MessageLoop::current());

82 loop.Run();

83 }

84

85 base::LaunchOptions options;

86 #if defined(OS_WIN)

87 options.handles_to_inherit = &handle_passing_info;

88 #elif defined(OS_POSIX)

89 options.fds_to_remap = &handle_passing_info;

90 #endif

91 *process = base::LaunchProcess(child_command_line, options);

92 DCHECK(process->IsValid());

93 receiver->SetPID(process->Pid());

94 mojo::edk::ChildProcessLaunched(process->Handle(),

95 platform_channel_pair.PassServerHandle());

96 return connection;

97 }

98

99 } // namespace test

100 } // namespace shell

101 } // namespace mojo

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