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Bug 564086, part m: Windows impl of Transport API. r=bent
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Chris Jones
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commit
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95
ipc/glue/Transport_win.cpp
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95
ipc/glue/Transport_win.cpp
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* vim: sw=2 ts=8 et :
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*/
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at:
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Code.
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*
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* The Initial Developer of the Original Code is
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* The Mozilla Foundation
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* Portions created by the Initial Developer are Copyright (C) 2010
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Chris Jones <jones.chris.g@gmail.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "base/message_loop.h"
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#include "chrome/common/child_process_info.h"
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#include "mozilla/ipc/Transport.h"
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using namespace base;
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using namespace std;
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namespace mozilla {
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namespace ipc {
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bool
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CreateTransport(ProcessHandle aProcOne, ProcessHandle /*unused*/,
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TransportDescriptor* aOne, TransportDescriptor* aTwo)
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{
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// This id is used to name the IPC pipe. The pointer passed to this
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// function isn't significant.
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wstring id = ChildProcessInfo::GenerateRandomChannelID(aOne);
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// Use MODE_SERVER to force creation of the pipe
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Transport t(id, Transport::MODE_SERVER, nsnull);
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HANDLE serverPipe = t.GetServerPipeHandle();
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if (!serverPipe) {
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return false;
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}
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// NB: we create the server pipe immediately, instead of just
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// grabbing an ID, on purpose. In the current setup, the client
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// needs to connect to an existing server pipe, so to prevent race
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// conditions, we create the server side here and then dup it to the
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// eventual server process.
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HANDLE serverDup;
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DWORD access = 0;
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DWORD options = DUPLICATE_SAME_ACCESS;
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if (!DuplicateHandle(GetCurrentProcess(), serverPipe, aProcOne,
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&serverDup,
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access,
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FALSE/*not inheritable*/,
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options)) {
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return false;
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}
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aOne->mPipeName = aTwo->mPipeName = id;
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aOne->mServerPipe = serverDup;
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aTwo->mServerPipe = 0;
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return true;
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}
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Transport*
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OpenDescriptor(const TransportDescriptor& aTd, Transport::Mode aMode)
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{
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return new Transport(aTd.mPipeName, aTd.mServerPipe, aMode, nsnull);
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}
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} // namespace ipc
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} // namespace mozilla
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83
ipc/glue/Transport_win.h
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83
ipc/glue/Transport_win.h
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@ -0,0 +1,83 @@
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* vim: sw=2 ts=8 et :
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*/
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at:
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
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* for the specific language governing rights and limitations under the
|
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* License.
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*
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* The Original Code is Mozilla Code.
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*
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* The Initial Developer of the Original Code is
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* The Mozilla Foundation
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* Portions created by the Initial Developer are Copyright (C) 2010
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Chris Jones <jones.chris.g@gmail.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
|
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
|
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
|
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef mozilla_ipc_Transport_win_h
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#define mozilla_ipc_Transport_win_h 1
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#include <string>
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#include "IPC/IPCMessageUtils.h"
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namespace mozilla {
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namespace ipc {
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struct TransportDescriptor
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{
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std::wstring mPipeName;
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HANDLE mServerPipe;
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};
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} // namespace ipc
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} // namespace mozilla
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namespace IPC {
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template<>
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struct ParamTraits<mozilla::ipc::TransportDescriptor>
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{
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typedef mozilla::ipc::TransportDescriptor paramType;
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static void Write(Message* aMsg, const paramType& aParam)
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{
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WriteParam(aMsg, aParam.mPipeName);
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WriteParam(aMsg, aParam.mServerPipe);
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}
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static bool Read(const Message* aMsg, void** aIter, paramType* aResult)
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{
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return (ReadParam(aMsg, aIter, &aResult->mPipeName) &&
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ReadParam(aMsg, aIter, &aResult->mServerPipe));
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}
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};
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} // namespace IPC
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#endif // mozilla_ipc_Transport_win_h
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