vchtchetkine | f855c4e | 2009-08-05 16:57:18 -0700 | [diff] [blame] | 1 | /*
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| 2 | * Copyright (C) 2009 The Android Open Source Project
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| 3 | *
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| 4 | * Licensed under the Apache License, Version 2.0 (the "License");
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| 5 | * you may not use this file except in compliance with the License.
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| 6 | * You may obtain a copy of the License at
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| 7 | *
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| 8 | * http://www.apache.org/licenses/LICENSE-2.0
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| 9 | *
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| 10 | * Unless required by applicable law or agreed to in writing, software
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| 11 | * distributed under the License is distributed on an "AS IS" BASIS,
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| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 13 | * See the License for the specific language governing permissions and
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| 14 | * limitations under the License.
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| 15 | */
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| 16 |
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| 17 | // AdbWinUsbApi.cpp : Implementation of DLL Exports.
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| 18 |
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| 19 | #include "stdafx.h"
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| 20 | #include "adb_winusb_interface.h"
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| 21 |
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| 22 | class CAdbWinApiModule : public CAtlDllModuleT< CAdbWinApiModule > {
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| 23 | public:
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| 24 | };
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| 25 |
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| 26 | CAdbWinApiModule _AtlModule;
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| 27 |
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| 28 | // DLL Entry Point
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| 29 | extern "C" BOOL WINAPI DllMain(HINSTANCE instance,
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| 30 | DWORD reason,
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| 31 | LPVOID reserved) {
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| 32 | return _AtlModule.DllMain(reason, reserved);
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| 33 | }
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| 34 |
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| 35 | /** \brief Instantiates interface instance that uses WinUsb API to communicate
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| 36 | with USB driver.
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| 37 |
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| 38 | This is the only exported routine from this DLL. This routine instantiates an
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| 39 | object of AdbWinUsbInterfaceObject on request from AdbWinApi.dll when it is
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| 40 | detected that underlying USB driver is WinUsb.sys.
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| 41 | @param[in] interface_name Name of the interface.
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| 42 | @return AdbInterfaceObject - casted instance of AdbWinUsbInterfaceObject
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| 43 | object on success, or NULL on failure with GetLastError providing
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| 44 | information on an error that occurred.
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| 45 | */
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| 46 | extern "C" __declspec(dllexport)
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| 47 | AdbInterfaceObject* __cdecl InstantiateWinUsbInterface(
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| 48 | const wchar_t* interface_name) {
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| 49 | // Validate parameter.
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| 50 | if (NULL == interface_name) {
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| 51 | return NULL;
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| 52 | }
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| 53 |
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| 54 | // Instantiate requested object.
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| 55 | try {
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| 56 | return new AdbWinUsbInterfaceObject(interface_name);
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| 57 | } catch (...) {
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| 58 | // We expect only OOM exceptions here.
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| 59 | SetLastError(ERROR_OUTOFMEMORY);
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| 60 | return NULL;
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| 61 | }
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| 62 | }
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