/// <summary>
/// Writes out a string (or series of strings) in sedna format.
/// </summary>
public static void WriteString(BinaryWriter writer, params string[] textItems)
{
foreach (string text in textItems)
{
writer.Write((byte)0);
NetworkOperations.WriteInt(text.Length, int_array, 0);
writer.Write(int_array);
writer.Write(Encoding.ASCII.GetBytes(text));
}
}
public static void WriteMessage(Message msg, NetworkStream outputStream)
{
if (msg.Body.Length > SocketMessageBufferSize)
{
throw new IndexOutOfRangeException("Size of packet exceeds maximum buffer size");
}
NetworkOperations.WriteInt((int)msg.Instruction, outputStream);
NetworkOperations.WriteInt((int)msg.Body.Length, outputStream);
outputStream.Write(msg.Body, 0, msg.Body.Length);
outputStream.Flush();
}
public static bool BulkLoad(Stream input, NetworkStream bufInputStream, NetworkStream outputStream)
{
Message msg = new Message();
int bytes_read = -1;
try
{
while (bytes_read != 0)
{
byte[] buffer = new byte[BulkLoadPortionSize];
bytes_read = input.Read(buffer, 0, BulkLoadPortionSize);
if (bytes_read != 0)
{
// crop the array to the correct size
msg.Body = new byte[bytes_read + IntSize + StringTypeSize];
Array.Copy(buffer, 0, msg.Body, IntSize + StringTypeSize, bytes_read);
msg.Instruction = InstructionCode.BulkLoadPortion;
msg.Body[0] = 0;
NetworkOperations.WriteInt(bytes_read, msg.Body, 0 + StringTypeSize);
NetworkOperations.WriteMessage(msg, outputStream);
}
}
NetworkOperations.WriteMessage(InstructionCode.BulkLoadEnd, outputStream, bufInputStream, InstructionCode.BulkLoadSucceeded, InstructionCode.UpdateSucceeded);
return(true);
}
catch (IOException e)
{
msg.Instruction = InstructionCode.BulkLoadError;
try
{
NetworkOperations.WriteMessage(msg, outputStream);
NetworkOperations.ReadMessage(msg, bufInputStream);
}
catch (IOException ex)
{
throw new SednaException(InstructionCode.BulkLoadFailed, "Unable to bulk load: IO error: " + ex.Message);
}
throw new SednaException(InstructionCode.BulkLoadFailed, NetworkOperations.GetErrorInfo(msg.Instruction, msg.Body) + " : " + e.Message);
}
}
