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Issue 1801963002: Change primordial pipes to ShellClient (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: rebase onto catalog CL Created 4 years, 9 months ago
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1 // Copyright 2015 The Chromium Authors. All rights reserved. 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 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 #include "content/browser/mojo/mojo_child_connection.h" 5 #include "content/browser/mojo/mojo_child_connection.h"
6 6
7 #include <stdint.h> 7 #include <stdint.h>
8 #include <utility> 8 #include <utility>
9 9
10 #include "base/macros.h" 10 #include "base/macros.h"
11 #include "base/strings/stringprintf.h" 11 #include "base/strings/stringprintf.h"
12 #include "base/thread_task_runner_handle.h" 12 #include "base/thread_task_runner_handle.h"
13 #include "build/build_config.h" 13 #include "build/build_config.h"
14 #include "content/public/browser/browser_thread.h" 14 #include "content/public/browser/browser_thread.h"
15 #include "content/public/browser/render_process_host.h" 15 #include "content/public/browser/render_process_host.h"
16 #include "content/public/browser/render_process_host_observer.h" 16 #include "content/public/browser/render_process_host_observer.h"
17 #include "content/public/common/mojo_shell_connection.h" 17 #include "content/public/common/mojo_shell_connection.h"
18 #include "ipc/ipc_sender.h" 18 #include "ipc/ipc_sender.h"
19 #include "mojo/converters/network/network_type_converters.h" 19 #include "mojo/converters/network/network_type_converters.h"
20 #include "mojo/edk/embedder/embedder.h" 20 #include "mojo/edk/embedder/embedder.h"
21 #include "mojo/public/cpp/system/message_pipe.h" 21 #include "mojo/public/cpp/system/message_pipe.h"
22 #include "mojo/shell/public/cpp/connector.h" 22 #include "mojo/shell/public/cpp/connector.h"
23 #include "mojo/shell/public/interfaces/shell.mojom.h" 23 #include "mojo/shell/public/interfaces/shell.mojom.h"
24 #include "mojo/shell/public/interfaces/shell_client.mojom.h"
24 25
25 namespace content { 26 namespace content {
26 namespace { 27 namespace {
27 28
28 const char kMojoRenderProcessHostConnection[] = 29 const char kMojoRenderProcessHostConnection[] =
29 "mojo_render_process_host_connection"; 30 "mojo_render_process_host_connection";
30 31
31 class RenderProcessHostConnection : public base::SupportsUserData::Data { 32 class RenderProcessHostConnection : public base::SupportsUserData::Data {
32 public: 33 public:
33 explicit RenderProcessHostConnection(scoped_ptr<mojo::Connection> connection) 34 explicit RenderProcessHostConnection(scoped_ptr<mojo::Connection> connection)
(...skipping 50 matching lines...) Expand 10 before | Expand all | Expand 10 after
84 }; 85 };
85 86
86 } // namespace 87 } // namespace
87 88
88 std::string MojoConnectToChild(int child_process_id, 89 std::string MojoConnectToChild(int child_process_id,
89 int instance_id, 90 int instance_id,
90 RenderProcessHost* render_process_host) { 91 RenderProcessHost* render_process_host) {
91 // Generate a token and create a pipe which is bound to it. This pipe is 92 // Generate a token and create a pipe which is bound to it. This pipe is
92 // passed to the shell if one is available. 93 // passed to the shell if one is available.
93 std::string pipe_token = mojo::edk::GenerateRandomToken(); 94 std::string pipe_token = mojo::edk::GenerateRandomToken();
94 mojo::ScopedMessagePipeHandle request_pipe = 95 mojo::ScopedMessagePipeHandle shell_client_pipe =
95 mojo::edk::CreateParentMessagePipe(pipe_token); 96 mojo::edk::CreateParentMessagePipe(pipe_token);
96 97
97 // Some process types get created before the main message loop. In this case 98 // Some process types get created before the main message loop. In this case
98 // the shell request pipe will simply be closed, and the child can detect 99 // the shell request pipe will simply be closed, and the child can detect
99 // this. 100 // this.
100 if (!MojoShellConnection::Get()) 101 if (!MojoShellConnection::Get())
101 return pipe_token; 102 return pipe_token;
102 103
103 mojo::shell::mojom::ShellClientFactoryPtr factory; 104 mojo::shell::mojom::ShellClientPtr client;
104 factory.Bind(mojo::InterfacePtrInfo<mojo::shell::mojom::ShellClientFactory>( 105 client.Bind(mojo::InterfacePtrInfo<mojo::shell::mojom::ShellClient>(
105 std::move(request_pipe), 0u)); 106 std::move(shell_client_pipe), 0u));
106 mojo::shell::mojom::PIDReceiverPtr pid_receiver; 107 mojo::shell::mojom::PIDReceiverPtr pid_receiver;
107 mojo::shell::mojom::PIDReceiverRequest pid_receiver_request = 108 mojo::shell::mojom::PIDReceiverRequest pid_receiver_request =
108 GetProxy(&pid_receiver); 109 GetProxy(&pid_receiver);
109 // PIDSender manages its own lifetime. 110 // PIDSender manages its own lifetime.
110 new PIDSender(render_process_host, std::move(pid_receiver)); 111 new PIDSender(render_process_host, std::move(pid_receiver));
111 112
112 113
113 mojo::Identity target("exe:chrome_renderer", 114 mojo::Identity target("exe:chrome_renderer",
114 mojo::shell::mojom::kInheritUserID, 115 mojo::shell::mojom::kInheritUserID,
115 base::StringPrintf("%d_%d", child_process_id, 116 base::StringPrintf("%d_%d", child_process_id,
116 instance_id)); 117 instance_id));
117 mojo::Connector::ConnectParams params(target); 118 mojo::Connector::ConnectParams params(target);
118 params.set_client_process_connection(std::move(factory), 119 params.set_client_process_connection(std::move(client),
119 std::move(pid_receiver_request)); 120 std::move(pid_receiver_request));
120 scoped_ptr<mojo::Connection> connection = 121 scoped_ptr<mojo::Connection> connection =
121 MojoShellConnection::Get()->GetConnector()->Connect(&params); 122 MojoShellConnection::Get()->GetConnector()->Connect(&params);
122 123
123 // Store the connection on the RPH so client code can access it later via 124 // Store the connection on the RPH so client code can access it later via
124 // GetMojoConnection(). 125 // GetMojoConnection().
125 SetMojoConnection(render_process_host, std::move(connection)); 126 SetMojoConnection(render_process_host, std::move(connection));
126 127
127 return pipe_token; 128 return pipe_token;
128 } 129 }
129 130
130 mojo::Connection* GetMojoConnection(RenderProcessHost* render_process_host) { 131 mojo::Connection* GetMojoConnection(RenderProcessHost* render_process_host) {
131 RenderProcessHostConnection* connection = 132 RenderProcessHostConnection* connection =
132 static_cast<RenderProcessHostConnection*>( 133 static_cast<RenderProcessHostConnection*>(
133 render_process_host->GetUserData(kMojoRenderProcessHostConnection)); 134 render_process_host->GetUserData(kMojoRenderProcessHostConnection));
134 return connection ? connection->get() : nullptr; 135 return connection ? connection->get() : nullptr;
135 } 136 }
136 137
137 } // namespace content 138 } // namespace content
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