/// <summary>
/// データ転送が無いオペレーションを実行する
/// </summary>
/// <param name="device"></param>
/// <param name="code"></param>
/// <param name="param"></param>
/// <returns></returns>
private static MtpResponse executeNoDataCommand(PortableDevice device, ushort code, uint[] param)
{
IPortableDeviceValues spResults;
int ret;
uint responseCode;
uint[] responseParam;
// MTPコマンドとパラメータを構築する
IPortableDeviceValues mtpCommand = createMtpCommand(code, WpdProperty.WPD_COMMAND_MTP_EXT_EXECUTE_COMMAND_WITHOUT_DATA_PHASE);
IPortableDevicePropVariantCollection mtpCommandParam = null;
if (param != null)
{
mtpCommandParam = createMtpCommandParameter(param);
mtpCommand.SetIPortableDevicePropVariantCollectionValue(ref WpdProperty.WPD_PROPERTY_MTP_EXT_OPERATION_PARAMS, mtpCommandParam);
}
// リクエストを送信
device.SendCommand(0, mtpCommand, out spResults);
// コマンドとパラメータは以後不要なので解放
if (mtpCommandParam != null)
{
Marshal.ReleaseComObject(mtpCommandParam);
}
Marshal.ReleaseComObject(mtpCommand);
// リクエストの結果を取得する
spResults.GetErrorValue(ref WpdProperty.WPD_PROPERTY_COMMON_HRESULT, out ret);
if (ret != 0)
{ // エラーなら終了
Marshal.ReleaseComObject(spResults);
return(new MtpResponse(0, null, null));
}
// レスポンスコードを取得する
spResults.GetUnsignedIntegerValue(ref WpdProperty.WPD_PROPERTY_MTP_EXT_RESPONSE_CODE, out responseCode);
// レスポンスパラメータを取得する
responseParam = null;
if (responseCode == 0x2001)
{
IPortableDevicePropVariantCollection resultValues
= (IPortableDevicePropVariantCollection) new PortableDeviceTypesLib.PortableDevicePropVariantCollection();
spResults.GetIPortableDevicePropVariantCollectionValue(ref WpdProperty.WPD_PROPERTY_MTP_EXT_RESPONSE_PARAMS, out resultValues);
uint count = 1;
resultValues.GetCount(ref count);
responseParam = new uint[count];
for (uint i = 0; i < count; i++)
{
tag_inner_PROPVARIANT value = new tag_inner_PROPVARIANT();
resultValues.GetAt(i, ref value);
responseParam[i] = getUintValue(value);
}
Marshal.ReleaseComObject(resultValues);
}
Marshal.ReleaseComObject(spResults);
return(new MtpResponse((ushort)responseCode, responseParam, null));
}
/// <summary>
/// EndDataTransferを送信する
/// </summary>
/// <param name="device"></param>
/// <param name="context"></param>
/// <returns></returns>
private static void sendEndDataTransfer(PortableDevice device, string context, out uint responseCode, out uint[] responseParam)
{
IPortableDeviceValues mtpEndDataTransfer = (IPortableDeviceValues) new PortableDeviceTypesLib.PortableDeviceValues();
mtpEndDataTransfer.SetGuidValue(ref WpdProperty.WPD_PROPERTY_COMMON_COMMAND_CATEGORY, ref WpdProperty.WPD_COMMAND_MTP_EXT_END_DATA_TRANSFER.fmtid);
mtpEndDataTransfer.SetUnsignedIntegerValue(ref WpdProperty.WPD_PROPERTY_COMMON_COMMAND_ID, WpdProperty.WPD_COMMAND_MTP_EXT_END_DATA_TRANSFER.pid);
mtpEndDataTransfer.SetStringValue(ref WpdProperty.WPD_PROPERTY_MTP_EXT_TRANSFER_CONTEXT, context);
IPortableDeviceValues spResults;
device.SendCommand(0, mtpEndDataTransfer, out spResults);
Marshal.ReleaseComObject(mtpEndDataTransfer);
int ret = 1;
spResults.GetErrorValue(ref WpdProperty.WPD_PROPERTY_COMMON_HRESULT, out ret);
if (ret != 0)
{
Marshal.ReleaseComObject(spResults);
responseCode = 0;
responseParam = null;
return;
}
// レスポンスコード
spResults.GetUnsignedIntegerValue(ref WpdProperty.WPD_PROPERTY_MTP_EXT_RESPONSE_CODE, out responseCode);
// パラメータ
responseParam = null;
if (responseCode == 0x2001)
{
IPortableDevicePropVariantCollection resultValues
= (IPortableDevicePropVariantCollection) new PortableDeviceTypesLib.PortableDevicePropVariantCollection();
spResults.GetIPortableDevicePropVariantCollectionValue(ref WpdProperty.WPD_PROPERTY_MTP_EXT_RESPONSE_PARAMS, out resultValues);
uint count = 1;
resultValues.GetCount(ref count);
responseParam = new uint[count];
for (uint i = 0; i < count; i++)
{
tag_inner_PROPVARIANT value = new tag_inner_PROPVARIANT();
resultValues.GetAt(i, ref value);
responseParam[i] = getUintValue(value);
}
Marshal.ReleaseComObject(resultValues);
}
Marshal.ReleaseComObject(spResults);
}
public void Send(PortableDevice device)
{
device.SendCommand(0, this.values, out this.result);
int error = 0;
result.GetErrorValue(WPD.PROPERTY_COMMON_HRESULT, out error);
switch ((HResult)error)
{
case HResult.S_OK:
return;
case HResult.E_NOT_IMPLEMENTED:
throw new NotSupportedException($"{new StackFrame(1, true).GetMethod().Name} not supported by device");
default:
throw new Exception($"Error {error:X}");
}
}
public bool Send(PortableDevice device)
{
device.SendCommand(0, this.values, out this.result);
int error = 0;
result.GetErrorValue(WPD.PROPERTY_COMMON_HRESULT, out error);
switch ((HResult)error)
{
case HResult.S_OK:
return(true);
case HResult.E_NOT_IMPLEMENTED:
return(false);
default:
throw new Exception($"Error {error:X}");
}
}
/// <summary>
/// データ送信を伴うMTPオペレーションを実行する
/// </summary>
/// <param name="device"></param>
/// <param name="code"></param>
/// <param name="param"></param>
/// <param name="data"></param>
/// <returns></returns>
private static MtpResponse executeDataWriteCommand(PortableDevice device, ushort code, uint[] param, byte[] data, bool noReadResponseParam)
{
int ret = 1;
string context;
uint writtenSize;
uint responseCode;
uint[] responseParam;
IPortableDeviceValues spResults;
// MTPコマンドとパラメータを構築する
IPortableDeviceValues mtpCommand = createMtpCommand(code, WpdProperty.WPD_COMMAND_MTP_EXT_EXECUTE_COMMAND_WITH_DATA_TO_WRITE);
IPortableDevicePropVariantCollection mtpCommandParam = null;
if (param != null)
{
mtpCommandParam = createMtpCommandParameter(param);
mtpCommand.SetIPortableDevicePropVariantCollectionValue(ref WpdProperty.WPD_PROPERTY_MTP_EXT_OPERATION_PARAMS, mtpCommandParam);
}
// 送信するデータのサイズを設定する
mtpCommand.SetUnsignedLargeIntegerValue(ref WpdProperty.WPD_PROPERTY_MTP_EXT_TRANSFER_TOTAL_DATA_SIZE, (ulong)data.Length);
// リクエストを送信
device.SendCommand(0, mtpCommand, out spResults);
// コマンドとパラメータは以後不要なので解放
if (mtpCommandParam != null)
{
Marshal.ReleaseComObject(mtpCommandParam);
}
Marshal.ReleaseComObject(mtpCommand);
// リクエストの結果を取得する
spResults.GetErrorValue(ref WpdProperty.WPD_PROPERTY_COMMON_HRESULT, out ret);
if (ret != 0)
{ // エラーなら終了
Marshal.ReleaseComObject(spResults);
return(new MtpResponse(0, null, null));
}
// contextを取得する
spResults.GetStringValue(ref WpdProperty.WPD_PROPERTY_MTP_EXT_TRANSFER_CONTEXT, out context);
Marshal.ReleaseComObject(spResults);
// データ送信用のコマンドを構築する
mtpCommand = (IPortableDeviceValues) new PortableDeviceTypesLib.PortableDeviceValues();
mtpCommand.SetGuidValue(ref WpdProperty.WPD_PROPERTY_COMMON_COMMAND_CATEGORY, ref WpdProperty.WPD_COMMAND_MTP_EXT_WRITE_DATA.fmtid);
mtpCommand.SetUnsignedIntegerValue(ref WpdProperty.WPD_PROPERTY_COMMON_COMMAND_ID, WpdProperty.WPD_COMMAND_MTP_EXT_WRITE_DATA.pid);
mtpCommand.SetStringValue(ref WpdProperty.WPD_PROPERTY_MTP_EXT_TRANSFER_CONTEXT, context);
mtpCommand.SetUnsignedIntegerValue(ref WpdProperty.WPD_PROPERTY_MTP_EXT_TRANSFER_NUM_BYTES_TO_WRITE, (uint)data.Length);
mtpCommand.SetBufferValue(ref WpdProperty.WPD_PROPERTY_MTP_EXT_TRANSFER_DATA, ref data[0], (uint)data.Length);
// データを送信する
device.SendCommand(0, mtpCommand, out spResults);
Marshal.ReleaseComObject(mtpCommand);
// データ送信の結果を取得する
spResults.GetErrorValue(ref WpdProperty.WPD_PROPERTY_COMMON_HRESULT, out ret);
if (ret != 0)
{ // エラーなら終了
Marshal.ReleaseComObject(spResults);
if (mtpCommandParam != null)
{
Marshal.ReleaseComObject(mtpCommandParam);
}
return(new MtpResponse(0, null, null));
}
// デバイスが受け取ったデータサイズを取得する
spResults.GetUnsignedIntegerValue(ref WpdProperty.WPD_PROPERTY_MTP_EXT_TRANSFER_NUM_BYTES_WRITTEN, out writtenSize);
Marshal.ReleaseComObject(spResults);
// DataEndTransfer(レスポンス)を送信する
sendEndDataTransfer(device, context, out responseCode, out responseParam, noReadResponseParam);
return(new MtpResponse((ushort)responseCode, responseParam, null));
}
/// <summary>
/// データ受信を伴うMTPオペレーションを実行する
/// </summary>
/// <param name="device"></param>
/// <param name="code"></param>
/// <param name="param"></param>
/// <returns></returns>
private static MtpResponse executeDataReadCommand(PortableDevice device, ushort code, uint[] param, bool noReadResponseParam)
{
IPortableDeviceValues spResults;
int ret;
string context;
uint size;
byte[] bufferIn;
IntPtr dataAddress;
uint readedSize;
IntPtr dataPtr;
byte[] bufferOut = null;
uint responseCode;
uint[] responseParam;
// MTPコマンドとパラメータを構築する
IPortableDeviceValues mtpCommand = createMtpCommand(code, WpdProperty.WPD_COMMAND_MTP_EXT_EXECUTE_COMMAND_WITH_DATA_TO_READ);
IPortableDevicePropVariantCollection mtpCommandParam = null;
if (param != null)
{
mtpCommandParam = createMtpCommandParameter(param);
mtpCommand.SetIPortableDevicePropVariantCollectionValue(ref WpdProperty.WPD_PROPERTY_MTP_EXT_OPERATION_PARAMS, mtpCommandParam);
}
// リクエストを送信
device.SendCommand(0, mtpCommand, out spResults);
// コマンドとパラメータは以後不要なので解放
if (mtpCommandParam != null)
{
Marshal.ReleaseComObject(mtpCommandParam);
}
Marshal.ReleaseComObject(mtpCommand);
// リクエストの結果を取得する
spResults.GetErrorValue(ref WpdProperty.WPD_PROPERTY_COMMON_HRESULT, out ret);
if (ret != 0)
{ // エラーなら終了
Marshal.ReleaseComObject(spResults);
return(new MtpResponse(0, null, null));
}
// コンテキストを取得する
spResults.GetStringValue(ref WpdProperty.WPD_PROPERTY_MTP_EXT_TRANSFER_CONTEXT, out context);
// データサイズを取得する
spResults.GetUnsignedIntegerValue(ref WpdProperty.WPD_PROPERTY_MTP_EXT_TRANSFER_TOTAL_DATA_SIZE, out size);
Marshal.ReleaseComObject(spResults);
if (size > 0)
{
// データ受信用のコマンドを構築する
bufferIn = new byte[size];
mtpCommand = (IPortableDeviceValues) new PortableDeviceTypesLib.PortableDeviceValues();
mtpCommand.SetGuidValue(ref WpdProperty.WPD_PROPERTY_COMMON_COMMAND_CATEGORY, ref WpdProperty.WPD_COMMAND_MTP_EXT_READ_DATA.fmtid);
mtpCommand.SetUnsignedIntegerValue(ref WpdProperty.WPD_PROPERTY_COMMON_COMMAND_ID, WpdProperty.WPD_COMMAND_MTP_EXT_READ_DATA.pid);
mtpCommand.SetStringValue(ref WpdProperty.WPD_PROPERTY_MTP_EXT_TRANSFER_CONTEXT, context);
mtpCommand.SetBufferValue(ref WpdProperty.WPD_PROPERTY_MTP_EXT_TRANSFER_DATA, ref bufferIn[0], size);
mtpCommand.SetUnsignedIntegerValue(ref WpdProperty.WPD_PROPERTY_MTP_EXT_TRANSFER_NUM_BYTES_TO_READ, size);
// データを受信する
device.SendCommand(0, mtpCommand, out spResults);
Marshal.ReleaseComObject(mtpCommand);
spResults.GetErrorValue(ref WpdProperty.WPD_PROPERTY_COMMON_HRESULT, out ret);
if (ret != 0)
{ // エラーなら終了
Marshal.ReleaseComObject(spResults);
return(new MtpResponse(0, null, null));
}
// 受信データのアドレスを取得する
dataAddress = Environment.Is64BitProcess ? Marshal.AllocCoTaskMem(8) : Marshal.AllocCoTaskMem(4);
spResults.GetBufferValue(ref WpdProperty.WPD_PROPERTY_MTP_EXT_TRANSFER_DATA, dataAddress, out readedSize);
dataPtr = Environment.Is64BitProcess ? new IntPtr(Marshal.ReadInt64(dataAddress)) : new IntPtr(Marshal.ReadInt32(dataAddress));
Marshal.FreeCoTaskMem(dataAddress);
// 受信データを取得する
bufferOut = new byte[size];
Marshal.Copy(dataPtr, bufferOut, 0, bufferOut.Length);
Marshal.ReleaseComObject(spResults);
Marshal.FreeCoTaskMem(dataPtr);
}
// DataEndTransfer(レスポンス)を送信する
sendEndDataTransfer(device, context, out responseCode, out responseParam, noReadResponseParam);
return(new MtpResponse((ushort)responseCode, responseParam, bufferOut));
}
