private static void SetStream_Unchecked(SmiEventSink_Default sink, ITypedSettersV3 setters, int ordinal, SmiMetaData metadata, StreamDataFeed feed) {
long len = metadata.MaxLength;
byte[] buff = new byte[constBinBufferSize];
int nWritten = 0;
do {
int nRead = 0;
int readSize = constBinBufferSize;
if (len > 0 && nWritten + readSize > len) {
readSize = (int)(len - nWritten);
}
Debug.Assert(readSize >= 0);
nRead = feed._source.Read(buff, 0, readSize);
if (nRead == 0) {
break;
}
setters.SetBytes(sink, ordinal, nWritten, buff, 0, nRead);
sink.ProcessMessagesAndThrow();
nWritten += nRead;
} while (len <= 0 || nWritten < len);
setters.SetBytesLength(sink, ordinal, nWritten);
sink.ProcessMessagesAndThrow();
}
// note: length < 0 indicates write everything
private static void SetSqlBytes_Unchecked( SmiEventSink_Default sink, ITypedSettersV3 setters, int ordinal, SqlBytes value, int offset, long length ) {
if ( value.IsNull ) {
setters.SetDBNull( sink, ordinal );
sink.ProcessMessagesAndThrow();
}
else {
int chunkSize;
if ( length > __maxByteChunkSize || length < 0 ) {
chunkSize = __maxByteChunkSize;
}
else {
chunkSize = checked( (int)length );
}
byte[] buffer = new byte[ chunkSize ];
long bytesRead;
long bytesWritten = 1; // prime value to get into write loop
long currentOffset = offset;
long lengthWritten = 0;
while ( (length < 0 || lengthWritten < length) &&
0 != ( bytesRead = value.Read( currentOffset, buffer, 0, chunkSize ) ) &&
0 != bytesWritten ) {
bytesWritten = setters.SetBytes( sink, ordinal, currentOffset, buffer, 0, checked( (int) bytesRead ) );
sink.ProcessMessagesAndThrow();
checked{ currentOffset += bytesWritten; }
checked{ lengthWritten += bytesWritten; }
}
// Make sure to trim any left-over data
setters.SetBytesLength( sink, ordinal, currentOffset );
sink.ProcessMessagesAndThrow();
}
}
private static void SetByteArray_Unchecked( SmiEventSink_Default sink, ITypedSettersV3 setters, int ordinal, byte[] buffer, int bufferOffset, int length ) {
if ( length > 0 ) {
setters.SetBytes( sink, ordinal, 0, buffer, bufferOffset, length );
sink.ProcessMessagesAndThrow();
}
setters.SetBytesLength( sink, ordinal, length );
sink.ProcessMessagesAndThrow();
}
private static void SetBytes_FromRecord( SmiEventSink_Default sink, ITypedSettersV3 setters, int ordinal, SmiMetaData metaData, SqlDataRecord record, int offset ) {
int length = 0;
// Deal with large values by sending bufferLength of NoLengthLimit (== assume
// CheckXetParameters will ignore requested-length checks in this case
long bufferLength = record.GetBytes(ordinal, 0, null, 0, 0);
if ( bufferLength > Int32.MaxValue ) {
bufferLength = NoLengthLimit;
}
length = CheckXetParameters( metaData.SqlDbType, metaData.MaxLength, NoLengthLimit /* actual */, 0, checked( (int) bufferLength ), offset, checked( (int) bufferLength ) );
int chunkSize;
if ( length > __maxByteChunkSize || length < 0 ) {
chunkSize = __maxByteChunkSize;
}
else {
chunkSize = checked( (int)length );
}
byte[] buffer = new byte[ chunkSize ];
long bytesRead;
long bytesWritten = 1; // prime value to get into write loop
long currentOffset = offset;
long lengthWritten = 0;
while ( (length < 0 || lengthWritten < length) &&
0 != ( bytesRead = record.GetBytes( ordinal, currentOffset, buffer, 0, chunkSize ) ) &&
0 != bytesWritten ) {
bytesWritten = setters.SetBytes( sink, ordinal, currentOffset, buffer, 0, checked( (int) bytesRead ) );
sink.ProcessMessagesAndThrow();
checked{ currentOffset += bytesWritten; }
checked{ lengthWritten += bytesWritten; }
}
// Make sure to trim any left-over data
setters.SetBytesLength( sink, ordinal, currentOffset );
sink.ProcessMessagesAndThrow();
}
internal static long SetBytesLength( SmiEventSink_Default sink, ITypedSettersV3 setters, int ordinal, SmiMetaData metaData, long length ) {
ThrowIfInvalidSetterAccess( metaData, ExtendedClrTypeCode.ByteArray );
if ( length < 0 ) {
throw ADP.InvalidDataLength( length );
}
if ( metaData.MaxLength >= 0 && length > metaData.MaxLength ) {
length = metaData.MaxLength;
}
setters.SetBytesLength( sink, ordinal, length );
sink.ProcessMessagesAndThrow();
return length;
}
private static void SetSqlBytes_Unchecked(SmiEventSink_Default sink, ITypedSettersV3 setters, int ordinal, SqlBytes value, int offset, long length)
{
if (value.IsNull)
{
setters.SetDBNull(sink, ordinal);
sink.ProcessMessagesAndThrow();
}
else
{
int num4;
long num5;
if ((length > 0x1f40L) || (length < 0L))
{
num4 = 0x1f40;
}
else
{
num4 = (int) length;
}
byte[] buffer = new byte[num4];
long num2 = 1L;
long num = offset;
for (long i = 0L; ((length < 0L) || (i < length)) && ((0L != (num5 = value.Read(num, buffer, 0, num4))) && (0L != num2)); i += num2)
{
num2 = setters.SetBytes(sink, ordinal, num, buffer, 0, (int) num5);
sink.ProcessMessagesAndThrow();
num += num2;
}
setters.SetBytesLength(sink, ordinal, num);
sink.ProcessMessagesAndThrow();
}
}
private static void SetBytes_FromRecord(SmiEventSink_Default sink, ITypedSettersV3 setters, int ordinal, SmiMetaData metaData, SqlDataRecord record, int offset)
{
int num6;
long num7;
int num = 0;
long num4 = record.GetBytes(ordinal, 0L, null, 0, 0);
if (num4 > 0x7fffffffL)
{
num4 = -1L;
}
num = CheckXetParameters(metaData.SqlDbType, metaData.MaxLength, -1L, 0L, (int) num4, offset, (int) num4);
if ((num > 0x1f40) || (num < 0))
{
num6 = 0x1f40;
}
else
{
num6 = num;
}
byte[] buffer = new byte[num6];
long num3 = 1L;
long fieldOffset = offset;
for (long i = 0L; ((num < 0) || (i < num)) && ((0L != (num7 = record.GetBytes(ordinal, fieldOffset, buffer, 0, num6))) && (0L != num3)); i += num3)
{
num3 = setters.SetBytes(sink, ordinal, fieldOffset, buffer, 0, (int) num7);
sink.ProcessMessagesAndThrow();
fieldOffset += num3;
}
setters.SetBytesLength(sink, ordinal, fieldOffset);
sink.ProcessMessagesAndThrow();
}
