//----------------------------------------------------
bool Parse_ColumnField_Header(MySqlStreamReader reader)
{
if (!reader.Ensure(PACKET_HEADER_LENGTH + 1))
{
return(_needMoreData = true);
}
_currentHeader = reader.ReadPacketHeader();
byte type = reader.PeekByte();//1
switch (type)
{
case ERROR_CODE:
_parsingState = PrepareResponseParseState.Error_Content;
break;
case EOF_CODE:
//?
_parsingState = PrepareResponseParseState.ColumnField_EOF;
break;
default:
_parsingState = PrepareResponseParseState.ColumnField_Content;
break;
}
return(false);
}
bool Parse_PrepareOk_Header(MySqlStreamReader reader)
{
//this is first step ***
if (!reader.Ensure(PACKET_HEADER_LENGTH + 1))
{
return(_needMoreData = true);
}
_currentHeader = reader.ReadPacketHeader();
byte type = reader.PeekByte();
switch (type)
{
case ERROR_CODE:
_parsingState = PrepareResponseParseState.Error_Content;
break;
case EOF_CODE:
case OK_CODE:
_parsingState = PrepareResponseParseState.OkPrepare_Content;
break;
default:
throw new NotSupportedException("Packet type don't match!!");
}
return(false);
}
//----------------------------------------------------
bool ParseErrorPacket(MySqlStreamReader reader)
{
if (!reader.Ensure(_currentHeader.ContentLength))
{
return(_needMoreData = true);
}
var errPacket = new ErrPacket(_currentHeader);
errPacket.ParsePacketContent(reader);
//
_finalResult = new MySqlErrorResult(errPacket);
_parsingState = PrepareResponseParseState.ShouldEnd;
reader.Reset();
return(true);
}
bool Parse_ColumnField_Content(MySqlStreamReader reader)
{
if (!reader.Ensure(_currentHeader.ContentLength))
{
return(_needMoreData = true);
}
var field = new FieldPacket(_currentHeader, _isProtocol41);
field.ParsePacketContent(reader);
field.FieldIndex = _tableHeader.ColumnCount; //set this before add to field list
_tableHeader.AddField(field);
//back to field header
_parsingState = PrepareResponseParseState.ColumnField_Header;
return(false);
}
bool Parse_ColumnField_EOF(MySqlStreamReader reader)
{
if (!reader.Ensure(_currentHeader.ContentLength))
{
return(_needMoreData = true);
}
var eofPacket = new EofPacket(_currentHeader, this._isProtocol41);
eofPacket.ParsePacketContent(reader);
//
_finalResult = new MySqlPrepareResponseResult(_okPrepare, _tableHeader);
_parsingState = PrepareResponseParseState.ShouldEnd;
reader.Reset();
return(true);//finish
}
bool Parse_PrepareOk_Content(MySqlStreamReader reader)
{
if (!reader.Ensure(_currentHeader.ContentLength))
{
return(_needMoreData = true);
}
var okPrepare = new OkPrepareStmtPacket(_currentHeader);
okPrepare.ParsePacketContent(reader);
_okPrepare = okPrepare;
//----------------------------------------------------
_tableHeader = new TableHeader(true);
//----------------------------------------------------
//*** 3 possible way after read prepare ok header***
if (okPrepare.num_params == 0)
{
//if prepare stmt dosn't have binding parameters
if (okPrepare.num_columns > 0)
{
//has some column
_parsingState = PrepareResponseParseState.ColumnField_Header;
}
else
{
_finalResult = new MySqlPrepareResponseResult(okPrepare, _tableHeader);
_parsingState = PrepareResponseParseState.ShouldEnd;
reader.Reset();
return(true); //finish
}
}
else
{
_parsingState = PrepareResponseParseState.BindingField_Header;
}
return(false);
}
bool Parse_BindingField_EOF(MySqlStreamReader reader)
{
if (!reader.Ensure(_currentHeader.ContentLength))
{
return(_needMoreData = true);
}
var eofPacket = new EofPacket(_currentHeader, _isProtocol41);
eofPacket.ParsePacketContent(reader);
if (_okPrepare.num_columns > 0)
{
_parsingState = PrepareResponseParseState.ColumnField_Header;
return(false);
}
else
{
_finalResult = new MySqlPrepareResponseResult(_okPrepare, _tableHeader);
_parsingState = PrepareResponseParseState.ShouldEnd;
reader.Reset();
return(true);
}
}
//----------------------------------------------------
bool ParseErrorPacket(MySqlStreamReader reader)
{
if (!reader.Ensure(_currentHeader.ContentLength))
{
return _needMoreData = true;
}
var errPacket = new ErrPacket(_currentHeader);
errPacket.ParsePacketContent(reader);
//
_finalResult = new MySqlErrorResult(errPacket);
_parsingState = PrepareResponseParseState.ShouldEnd;
reader.Reset();
return true;
}
bool Parse_ColumnField_EOF(MySqlStreamReader reader)
{
if (!reader.Ensure(_currentHeader.ContentLength))
{
return _needMoreData = true;
}
var eofPacket = new EofPacket(_currentHeader, this._isProtocol41);
eofPacket.ParsePacketContent(reader);
//
_finalResult = new MySqlPrepareResponseResult(_okPrepare, _tableHeader);
_parsingState = PrepareResponseParseState.ShouldEnd;
reader.Reset();
return true;//finish
}
bool Parse_ColumnField_Content(MySqlStreamReader reader)
{
if (!reader.Ensure(_currentHeader.ContentLength))
{
return _needMoreData = true;
}
var field = new FieldPacket(_currentHeader, _isProtocol41);
field.ParsePacketContent(reader);
field.FieldIndex = _tableHeader.ColumnCount; //set this before add to field list
_tableHeader.AddField(field);
//back to field header
_parsingState = PrepareResponseParseState.ColumnField_Header;
return false;
}
//----------------------------------------------------
bool Parse_ColumnField_Header(MySqlStreamReader reader)
{
if (!reader.Ensure(PACKET_HEADER_LENGTH + 1))
{
return _needMoreData = true;
}
_currentHeader = reader.ReadPacketHeader();
byte type = reader.PeekByte();//1
switch (type)
{
case ERROR_CODE:
_parsingState = PrepareResponseParseState.Error_Content;
break;
case EOF_CODE:
//?
_parsingState = PrepareResponseParseState.ColumnField_EOF;
break;
default:
_parsingState = PrepareResponseParseState.ColumnField_Content;
break;
}
return false;
}
bool Parse_PrepareOk_Content(MySqlStreamReader reader)
{
if (!reader.Ensure(_currentHeader.ContentLength))
{
return _needMoreData = true;
}
var okPrepare = new OkPrepareStmtPacket(_currentHeader);
okPrepare.ParsePacketContent(reader);
_okPrepare = okPrepare;
//----------------------------------------------------
_tableHeader = new TableHeader(true);
//----------------------------------------------------
//*** 3 possible way after read prepare ok header***
if (okPrepare.num_params == 0)
{
//if prepare stmt dosn't have binding parameters
if (okPrepare.num_columns > 0)
{
//has some column
_parsingState = PrepareResponseParseState.ColumnField_Header;
}
else
{
_finalResult = new MySqlPrepareResponseResult(okPrepare, _tableHeader);
_parsingState = PrepareResponseParseState.ShouldEnd;
reader.Reset();
return true; //finish
}
}
else
{
_parsingState = PrepareResponseParseState.BindingField_Header;
}
return false;
}
bool Parse_PrepareOk_Header(MySqlStreamReader reader)
{
//this is first step ***
if (!reader.Ensure(PACKET_HEADER_LENGTH + 1))
{
return _needMoreData = true;
}
_currentHeader = reader.ReadPacketHeader();
byte type = reader.PeekByte();
switch (type)
{
case ERROR_CODE:
_parsingState = PrepareResponseParseState.Error_Content;
break;
case EOF_CODE:
case OK_CODE:
_parsingState = PrepareResponseParseState.OkPrepare_Content;
break;
default:
throw new NotSupportedException("Packet type don't match!!");
}
return false;
}
