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1 // Copyright 2015 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 #ifndef MOJO_SHELL_RUNNER_CHILD_RUNNER_CONNECTION_H_ | |
6 #define MOJO_SHELL_RUNNER_CHILD_RUNNER_CONNECTION_H_ | |
7 | |
8 #include "base/callback.h" | |
9 #include "base/macros.h" | |
10 #include "base/memory/scoped_ptr.h" | |
11 #include "mojo/shell/public/cpp/shell_connection.h" | |
12 #include "mojo/shell/public/interfaces/connector.mojom.h" | |
13 #include "mojo/shell/public/interfaces/shell_client.mojom.h" | |
14 #include "mojo/shell/public/interfaces/shell_client_factory.mojom.h" | |
15 | |
16 namespace mojo { | |
17 namespace shell { | |
18 | |
19 // Encapsulates a connection to a runner process. | |
20 class RunnerConnection { | |
21 public: | |
22 virtual ~RunnerConnection(); | |
23 | |
24 // Establishes a new runner connection using a ShellClientFactory request pipe | |
25 // from the command line. | |
26 // | |
27 // |shell_connection| is a ShellConnection which will be used to service | |
28 // incoming connection requests from other clients. This may be null, in which | |
29 // case no incoming connection requests will be serviced. This is not owned | |
30 // and must out-live the RunnerConnection. | |
31 // | |
32 // If |exit_on_error| is true, the calling process will be terminated in the | |
33 // event of an error on the ShellClientFactory pipe. | |
34 // | |
35 // The RunnerConnection returned by this call bounds the lifetime of the | |
36 // connection. If connection fails (which can happen if there is no | |
37 // ShellClientFactory request pipe on the command line) this returns null. | |
38 // | |
39 // TODO(rockot): Remove |exit_on_error|. We shouldn't be killing processes | |
40 // abruptly on pipe errors, but some tests currently depend on this behavior. | |
41 static scoped_ptr<RunnerConnection> Create( | |
42 mojo::ShellConnection* shell_connection, | |
43 bool exit_on_error = true); | |
44 | |
45 protected: | |
46 RunnerConnection(); | |
47 | |
48 private: | |
49 DISALLOW_COPY_AND_ASSIGN(RunnerConnection); | |
50 }; | |
51 | |
52 } // namespace shell | |
53 } // namespace mojo | |
54 | |
55 #endif // MOJO_SHELL_RUNNER_CHILD_RUNNER_CONNECTION_H_ | |
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