public void Connect()
{
if (State == ConnectionState.Connected)
{
throw new NotSupportedException("already connected");
}
var endpoint = new IPEndPoint(IPAddress.Parse(config.host), config.port);
socket.Connect(endpoint);
byte[] buffer = new byte[512];
int count = socket.Receive(buffer);
if (count > 0)
{
_writer.Reset();
_parser.LoadNewBuffer(buffer, count);
_handshake = new HandshakePacket();
_handshake.ParsePacket(_parser);
threadId = _handshake.threadId;
byte[] token = MakeToken(config.password,
GetScrollbleBuffer(_handshake.scrambleBuff1, _handshake.scrambleBuff2));
_writer.IncrementPacketNumber();
//------------------------------------------
var authPacket = new ClientAuthenticationPacket();
authPacket.SetValues(config.user, token, config.database, _handshake.protocol41);
authPacket.WritePacket(_writer);
byte[] sendBuff = _writer.ToArray();
byte[] receiveBuff = new byte[512];
//-------------------------------------------
//send data
int sendNum = socket.Send(sendBuff);
int receiveNum = socket.Receive(receiveBuff);
_parser.LoadNewBuffer(receiveBuff, receiveNum);
if (receiveBuff[4] == 255)
{
ErrPacket errPacket = new ErrPacket();
errPacket.ParsePacket(_parser);
return;
}
else
{
OkPacket okPacket = new OkPacket(_handshake.protocol41);
okPacket.ParsePacket(_parser);
}
_writer.Reset();
GetMaxAllowedPacket();
_writer.SetMaxAllowedPacket(_maxPacketSize);
}
}
public override void Parse(MySqlStreamReader reader)
{
_finalResult = null;
//1.create connection frame
//_writer.Reset();
PacketHeader header = reader.ReadPacketHeader();
_handshake = new HandshakePacket(header);
//check if
_handshake.ParsePacketContent(reader);
_finalResult = new MySqlHandshakeResult(_handshake);
}
public MySqlHandshakeResult(HandshakePacket packet)
{
this.packet = packet;
}
public void ConnectAsync(Action connHandler)
{
//1. socket
socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
_saea.SetBuffer(_sockBuffer, 0, _sockBuffer.Length);
//2. buffer
_connSession = new MySqlConnectionSession(_saea, 1024, 1024);
_saea.UserToken = _connSession;
_saea.AcceptSocket = socket;
var endPoint = new IPEndPoint(IPAddress.Parse(config.host), config.port);
//first connect
socket.Connect(endPoint);
_connSession.StartReceive(recv =>
{
//TODO: review here, don't copy,
//we should use shared sockBuffer
byte[] buffer = new byte[512];
int count = recv.BytesTransferred;
recv.CopyTo(0, buffer, 0, recv.BytesTransferred);
_parser.LoadNewBuffer(buffer, count);
_handshake = new HandshakePacket();
_handshake.ParsePacket(_parser);
this.threadId = _handshake.threadId;
byte[] token = MakeToken(config.password,
GetScrollbleBuffer(_handshake.scrambleBuff1, _handshake.scrambleBuff2));
_writer.Reset();
_writer.IncrementPacketNumber();
//------------------------------------------
var authPacket = new ClientAuthenticationPacket();
authPacket.SetValues(config.user, token, config.database, _handshake.protocol41);
authPacket.WritePacket(_writer);
//send
//do authen
//handle
recv._recvAction = () =>
{
byte[] sendBuff = _writer.ToArray();
byte[] receiveBuff = new byte[512];
//-------------------------------------------
//send data
int sendNum = socket.Send(sendBuff);
int receiveNum = socket.Receive(receiveBuff);
_parser.LoadNewBuffer(receiveBuff, receiveNum);
if (receiveBuff[4] == 255)
{
ErrPacket errPacket = new ErrPacket();
errPacket.ParsePacket(_parser);
}
else
{
OkPacket okPacket = new OkPacket(_handshake.protocol41);
okPacket.ParsePacket(_parser);
}
_writer.Reset();
GetMaxAllowedPacket();
if (_maxPacketSize > 0)
{
_writer.SetMaxAllowedPacket(_maxPacketSize);
}
if (connHandler != null)
{
connHandler();
}
};
return(EndReceiveState.Complete);
});
}
public MySqlHandshakeResult(HandshakePacket packet)
{
this.packet = packet;
}
public override void Parse(MySqlStreamReader reader)
{
_finalResult = null;
//1.create connection frame
//_writer.Reset();
PacketHeader header = reader.ReadPacketHeader();
_handshake = new HandshakePacket(header);
//check if
_handshake.ParsePacketContent(reader);
_finalResult = new MySqlHandshakeResult(_handshake);
}
/// <summary>
/// open connection, +/- blocking
/// </summary>
/// <param name="nextAction"></param>
public void Connect(Action nextAction = null)
{
if (State == ConnectionState.Connected)
{
throw new NotSupportedException("already connected");
}
_mysqlParserMx.UseConnectionParser();
this._workingState = WorkingState.Rest;
//--------------
var endpoint = new IPEndPoint(IPAddress.Parse(config.host), config.port);
socket.Connect(endpoint);
this._workingState = WorkingState.Rest;
//--------------
//**start listen after connect
InitWait();
StartReceive(mysql_result =>
{
//when complete1
//create handshake packet and send back
var handshakeResult = mysql_result as MySqlHandshakeResult;
if (handshakeResult == null)
{
//error
throw new Exception("err1");
}
HandshakePacket handshake_packet = handshakeResult.packet;
this.threadId = handshake_packet.threadId;
// https://dev.mysql.com/doc/internals/en/sha256.html
byte[] token = string.IsNullOrEmpty(config.password) ?
/*1*/ new byte[0] : //Empty passwords are not hashed, but sent as empty string.
/* or 2*/ MakeToken(config.password, GetScrollbleBuffer(
handshake_packet.scrambleBuff1,
handshake_packet.scrambleBuff2));
_writer.IncrementPacketNumber();
//----------------------------
//send authen packet to the server
var authPacket = new ClientAuthenticationPacket(new PacketHeader());
authPacket.SetValues(config.user, token, config.database, isProtocol41 = handshake_packet.protocol41);
authPacket.WritePacket(_writer);
byte[] sendBuff = _writer.ToArray();
_writer.Reset();
//------------------------------------
//switch to result packet parser
_mysqlParserMx.SetProtocol41(isProtocol41);
_mysqlParserMx.UseResultParser();
//------------------------------------
StartSend(sendBuff, 0, sendBuff.Length, () =>
{
StartReceive(mysql_result2 =>
{
var ok = mysql_result2 as MySqlOkResult;
if (ok != null)
{
this._workingState = WorkingState.Rest;
}
else
{
//TODO: review here
//error
_workingState = WorkingState.Error;
}
//set max allow of the server ***
//todo set max allow packet***
UnWait();
if (nextAction != null)
{
nextAction();
}
});
});
});
if (nextAction == null)
{
//block ....
Wait();
}
else
{
UnWait();
}
}
