/// <summary>
/// Sends the command.
/// </summary>
/// <param name="command">The command.</param>
/// <param name="id1">The id1.</param>
/// <param name="id2">The id2.</param>
/// <param name="text">The text.</param>
/// <returns></returns>
private static int SendCommand(IbnCommand command, int id1, int?id2, string text)
{
int result;
IntPtr hPipe = OpenPipe();
try
{
byte[] data = CreateBuffer(command, id1, id2, text);
byte[] outBuffer = { 0, 0, 0, 0 };
UInt32[] bytesRead = { 0 };
if (!NativeMethods.TransactNamedPipe(hPipe, data, Convert.ToUInt32(data.Length), outBuffer, Convert.ToUInt32(outBuffer.Length), bytesRead, IntPtr.Zero))
{
int error = Marshal.GetLastWin32Error();
throw new IMHelperException(string.Format(CultureInfo.InvariantCulture, "Pipe '{2}' command error. Command: {0}. Last Win32 error: {1}.", command, error, GetIbnServerPipeName()));
}
else
{
result = Convert.ToInt32((UInt32)outBuffer[0] | ((UInt32)outBuffer[1] << 8) | ((UInt32)outBuffer[2] << 16) | ((UInt32)outBuffer[3] << 24));
}
}
finally
{
NativeMethods.CloseHandle(hPipe);
}
return(result);
}
/// <summary>
/// Creates the buffer.
/// </summary>
/// <param name="command">The command.</param>
/// <param name="number1">The number1.</param>
/// <param name="number2">The number2.</param>
/// <param name="text">The text.</param>
/// <returns></returns>
private static byte[] CreateBuffer(IbnCommand command, int number1, int?number2, string text)
{
int dataLength = 4;
if (number2 != null)
{
dataLength += 4;
}
if (text != null)
{
dataLength += (text.Length + 1) * 2;
}
using (MemoryStream stream = new MemoryStream())
{
using (BinaryWriter writer = new BinaryWriter(stream, System.Text.Encoding.Unicode))
{
writer.Write((Int32)1);
writer.Write((Int32)command);
writer.Write((Int32)dataLength);
writer.Write((Int32)number1);
if (number2 != null)
{
writer.Write((Int32)number2.Value);
}
if (text != null)
{
writer.Write(Encoding.Unicode.GetBytes(text));
}
writer.Write((byte)0);
writer.Write((byte)0);
writer.Flush();
}
return(stream.ToArray());
}
}
/// <summary>
/// Sends the command.
/// </summary>
/// <param name="command">The command.</param>
/// <param name="id1">The id1.</param>
/// <param name="id2">The id2.</param>
/// <param name="text">The text.</param>
/// <returns></returns>
private static int SendCommand(IbnCommand command, int id1, int? id2, string text)
{
int result;
IntPtr hPipe = OpenPipe();
try
{
byte[] data = CreateBuffer(command, id1, id2, text);
byte[] outBuffer = { 0, 0, 0, 0 };
UInt32[] bytesRead = { 0 };
if (!NativeMethods.TransactNamedPipe(hPipe, data, Convert.ToUInt32(data.Length), outBuffer, Convert.ToUInt32(outBuffer.Length), bytesRead, IntPtr.Zero))
{
int error = Marshal.GetLastWin32Error();
throw new IMHelperException(string.Format(CultureInfo.InvariantCulture, "Pipe '{2}' command error. Command: {0}. Last Win32 error: {1}.", command, error, GetIbnServerPipeName()));
}
else
{
result = Convert.ToInt32((UInt32)outBuffer[0] | ((UInt32)outBuffer[1] << 8) | ((UInt32)outBuffer[2] << 16) | ((UInt32)outBuffer[3] << 24));
}
}
finally
{
NativeMethods.CloseHandle(hPipe);
}
return result;
}
/// <summary>
/// Creates the buffer.
/// </summary>
/// <param name="command">The command.</param>
/// <param name="number1">The number1.</param>
/// <param name="number2">The number2.</param>
/// <param name="text">The text.</param>
/// <returns></returns>
private static byte[] CreateBuffer(IbnCommand command, int number1, int? number2, string text)
{
int dataLength = 4;
if (number2 != null)
dataLength += 4;
if (text != null)
dataLength += (text.Length + 1) * 2;
using (MemoryStream stream = new MemoryStream())
{
using (BinaryWriter writer = new BinaryWriter(stream, System.Text.Encoding.Unicode))
{
writer.Write((Int32)1);
writer.Write((Int32)command);
writer.Write((Int32)dataLength);
writer.Write((Int32)number1);
if (number2 != null)
writer.Write((Int32)number2.Value);
if (text != null)
writer.Write(Encoding.Unicode.GetBytes(text));
writer.Write((byte)0);
writer.Write((byte)0);
writer.Flush();
}
return stream.ToArray();
}
}
