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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 #include "mojo/embedder/platform_channel_pair.h" | 5 #include "mojo/embedder/platform_channel_pair.h" |
6 | 6 |
7 #include <windows.h> | 7 #include <windows.h> |
8 | 8 |
9 #include <string> | 9 #include <string> |
10 | 10 |
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66 PCHECK(client_handle_.is_valid()); | 66 PCHECK(client_handle_.is_valid()); |
67 | 67 |
68 // Since a client has connected, ConnectNamedPipe() should return zero and | 68 // Since a client has connected, ConnectNamedPipe() should return zero and |
69 // GetLastError() should return ERROR_PIPE_CONNECTED. | 69 // GetLastError() should return ERROR_PIPE_CONNECTED. |
70 CHECK(!ConnectNamedPipe(server_handle_.get().handle, NULL)); | 70 CHECK(!ConnectNamedPipe(server_handle_.get().handle, NULL)); |
71 PCHECK(GetLastError() == ERROR_PIPE_CONNECTED); | 71 PCHECK(GetLastError() == ERROR_PIPE_CONNECTED); |
72 } | 72 } |
73 | 73 |
74 // static | 74 // static |
75 ScopedPlatformHandle PlatformChannelPair::PassClientHandleFromParentProcess( | 75 ScopedPlatformHandle PlatformChannelPair::PassClientHandleFromParentProcess( |
76 const CommandLine& command_line) { | 76 const base::CommandLine& command_line) { |
77 std::string client_handle_string = | 77 std::string client_handle_string = |
78 command_line.GetSwitchValueASCII(kMojoPlatformChannelHandleSwitch); | 78 command_line.GetSwitchValueASCII(kMojoPlatformChannelHandleSwitch); |
79 | 79 |
80 int client_handle_value = 0; | 80 int client_handle_value = 0; |
81 if (client_handle_string.empty() || | 81 if (client_handle_string.empty() || |
82 !base::StringToInt(client_handle_string, &client_handle_value)) { | 82 !base::StringToInt(client_handle_string, &client_handle_value)) { |
83 LOG(ERROR) << "Missing or invalid --" << kMojoPlatformChannelHandleSwitch; | 83 LOG(ERROR) << "Missing or invalid --" << kMojoPlatformChannelHandleSwitch; |
84 return ScopedPlatformHandle(); | 84 return ScopedPlatformHandle(); |
85 } | 85 } |
86 | 86 |
87 return ScopedPlatformHandle( | 87 return ScopedPlatformHandle( |
88 PlatformHandle(LongToHandle(client_handle_value))); | 88 PlatformHandle(LongToHandle(client_handle_value))); |
89 } | 89 } |
90 | 90 |
91 void PlatformChannelPair::PrepareToPassClientHandleToChildProcess( | 91 void PlatformChannelPair::PrepareToPassClientHandleToChildProcess( |
92 CommandLine* command_line, | 92 base::CommandLine* command_line, |
93 base::HandlesToInheritVector* handle_passing_info) const { | 93 base::HandlesToInheritVector* handle_passing_info) const { |
94 DCHECK(command_line); | 94 DCHECK(command_line); |
95 DCHECK(handle_passing_info); | 95 DCHECK(handle_passing_info); |
96 DCHECK(client_handle_.is_valid()); | 96 DCHECK(client_handle_.is_valid()); |
97 | 97 |
98 CHECK_GE(base::win::GetVersion(), base::win::VERSION_VISTA); | 98 CHECK_GE(base::win::GetVersion(), base::win::VERSION_VISTA); |
99 | 99 |
100 handle_passing_info->push_back(client_handle_.get().handle); | 100 handle_passing_info->push_back(client_handle_.get().handle); |
101 | 101 |
102 // Log a warning if the command line already has the switch, but "clobber" it | 102 // Log a warning if the command line already has the switch, but "clobber" it |
103 // anyway, since it's reasonably likely that all the switches were just copied | 103 // anyway, since it's reasonably likely that all the switches were just copied |
104 // from the parent. | 104 // from the parent. |
105 LOG_IF(WARNING, command_line->HasSwitch(kMojoPlatformChannelHandleSwitch)) | 105 LOG_IF(WARNING, command_line->HasSwitch(kMojoPlatformChannelHandleSwitch)) |
106 << "Child command line already has switch --" | 106 << "Child command line already has switch --" |
107 << kMojoPlatformChannelHandleSwitch << "=" | 107 << kMojoPlatformChannelHandleSwitch << "=" |
108 << command_line->GetSwitchValueASCII(kMojoPlatformChannelHandleSwitch); | 108 << command_line->GetSwitchValueASCII(kMojoPlatformChannelHandleSwitch); |
109 // (Any existing switch won't actually be removed from the command line, but | 109 // (Any existing switch won't actually be removed from the command line, but |
110 // the last one appended takes precedence.) | 110 // the last one appended takes precedence.) |
111 command_line->AppendSwitchASCII( | 111 command_line->AppendSwitchASCII( |
112 kMojoPlatformChannelHandleSwitch, | 112 kMojoPlatformChannelHandleSwitch, |
113 base::IntToString(HandleToLong(client_handle_.get().handle))); | 113 base::IntToString(HandleToLong(client_handle_.get().handle))); |
114 } | 114 } |
115 | 115 |
116 } // namespace embedder | 116 } // namespace embedder |
117 } // namespace mojo | 117 } // namespace mojo |
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