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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef MOJO_RUNNER_CHILD_PROCESS_HOST_H_ | 5 #ifndef MOJO_RUNNER_CHILD_PROCESS_HOST_H_ |
6 #define MOJO_RUNNER_CHILD_PROCESS_HOST_H_ | 6 #define MOJO_RUNNER_CHILD_PROCESS_HOST_H_ |
7 | 7 |
8 #include "base/files/file_path.h" | 8 #include "base/files/file_path.h" |
9 #include "base/macros.h" | 9 #include "base/macros.h" |
10 #include "base/process/process.h" | 10 #include "base/process/process.h" |
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26 // This class is not thread-safe. It should be created/used/destroyed on a | 26 // This class is not thread-safe. It should be created/used/destroyed on a |
27 // single thread. | 27 // single thread. |
28 // | 28 // |
29 // Note: Does not currently work on Windows before Vista. | 29 // Note: Does not currently work on Windows before Vista. |
30 // Note: After |Start()|, |StartApp| must be called and this object must | 30 // Note: After |Start()|, |StartApp| must be called and this object must |
31 // remained alive until the |on_app_complete| callback is called. | 31 // remained alive until the |on_app_complete| callback is called. |
32 class ChildProcessHost { | 32 class ChildProcessHost { |
33 public: | 33 public: |
34 // |name| is just for debugging ease. We will spawn off a process so that it | 34 // |name| is just for debugging ease. We will spawn off a process so that it |
35 // can be sandboxed if |start_sandboxed| is true. |app_path| is a path to the | 35 // can be sandboxed if |start_sandboxed| is true. |app_path| is a path to the |
36 // mojo application we wish to start. |clean_app_path| cleans up transient | 36 // mojo application we wish to start. |
37 // applications after execution. | |
38 ChildProcessHost(Context* context, | 37 ChildProcessHost(Context* context, |
39 bool start_sandboxed, | 38 bool start_sandboxed, |
40 const base::FilePath& app_path, | 39 const base::FilePath& app_path); |
41 bool clean_app_path); | |
42 virtual ~ChildProcessHost(); | 40 virtual ~ChildProcessHost(); |
43 | 41 |
44 // |Start()|s the child process; calls |DidStart()| (on the thread on which | 42 // |Start()|s the child process; calls |DidStart()| (on the thread on which |
45 // |Start()| was called) when the child has been started (or failed to start). | 43 // |Start()| was called) when the child has been started (or failed to start). |
46 // After calling |Start()|, this object must not be destroyed until | 44 // After calling |Start()|, this object must not be destroyed until |
47 // |DidStart()| has been called. | 45 // |DidStart()| has been called. |
48 // TODO(vtl): Consider using weak pointers and removing this requirement. | 46 // TODO(vtl): Consider using weak pointers and removing this requirement. |
49 void Start(); | 47 void Start(); |
50 | 48 |
51 // Waits for the child process to terminate, and returns its exit code. | 49 // Waits for the child process to terminate, and returns its exit code. |
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66 bool DoLaunch(); | 64 bool DoLaunch(); |
67 | 65 |
68 void AppCompleted(int32_t result); | 66 void AppCompleted(int32_t result); |
69 | 67 |
70 // Callback for |embedder::CreateChannel()|. | 68 // Callback for |embedder::CreateChannel()|. |
71 void DidCreateChannel(embedder::ChannelInfo* channel_info); | 69 void DidCreateChannel(embedder::ChannelInfo* channel_info); |
72 | 70 |
73 Context* const context_; | 71 Context* const context_; |
74 bool start_sandboxed_; | 72 bool start_sandboxed_; |
75 const base::FilePath app_path_; | 73 const base::FilePath app_path_; |
76 bool clean_app_path_; | |
77 base::Process child_process_; | 74 base::Process child_process_; |
78 embedder::PlatformChannelPair platform_channel_pair_; | 75 embedder::PlatformChannelPair platform_channel_pair_; |
79 ChildControllerPtr controller_; | 76 ChildControllerPtr controller_; |
80 embedder::ChannelInfo* channel_info_; | 77 embedder::ChannelInfo* channel_info_; |
81 ChildController::StartAppCallback on_app_complete_; | 78 ChildController::StartAppCallback on_app_complete_; |
82 | 79 |
83 // Platform-specific "pipe" to the child process. Valid immediately after | 80 // Platform-specific "pipe" to the child process. Valid immediately after |
84 // creation. | 81 // creation. |
85 embedder::ScopedPlatformHandle platform_channel_; | 82 embedder::ScopedPlatformHandle platform_channel_; |
86 | 83 |
87 DISALLOW_COPY_AND_ASSIGN(ChildProcessHost); | 84 DISALLOW_COPY_AND_ASSIGN(ChildProcessHost); |
88 }; | 85 }; |
89 | 86 |
90 } // namespace runner | 87 } // namespace runner |
91 } // namespace mojo | 88 } // namespace mojo |
92 | 89 |
93 #endif // MOJO_RUNNER_CHILD_PROCESS_HOST_H_ | 90 #endif // MOJO_RUNNER_CHILD_PROCESS_HOST_H_ |
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