public static InitialHandshakePayload Create(PayloadData payload)
{
var reader = new ByteArrayReader(payload.ArraySegment);
reader.ReadByte(c_protocolVersion);
var serverVersion = reader.ReadNullTerminatedByteString();
var connectionId = reader.ReadInt32();
byte[] authPluginData = null;
var authPluginData1 = reader.ReadByteArraySegment(8);
string authPluginName = null;
reader.ReadByte(0);
var protocolCapabilities = (ProtocolCapabilities)reader.ReadUInt16();
if (reader.BytesRemaining > 0)
{
var charSet = (CharacterSet)reader.ReadByte();
var status = (ServerStatus)reader.ReadInt16();
var capabilityFlagsHigh = reader.ReadUInt16();
protocolCapabilities |= (ProtocolCapabilities)(capabilityFlagsHigh << 16);
var authPluginDataLength = reader.ReadByte();
var unused = reader.ReadByteArraySegment(10);
if ((protocolCapabilities & ProtocolCapabilities.SecureConnection) != 0)
{
var authPluginData2 = reader.ReadByteArraySegment(Math.Max(13, authPluginDataLength - 8));
var concatenated = new byte[authPluginData1.Count + authPluginData2.Count];
Buffer.BlockCopy(authPluginData1.Array, authPluginData1.Offset, concatenated, 0, authPluginData1.Count);
Buffer.BlockCopy(authPluginData2.Array, authPluginData2.Offset, concatenated, authPluginData1.Count, authPluginData2.Count);
authPluginData = concatenated;
}
if ((protocolCapabilities & ProtocolCapabilities.PluginAuth) != 0)
{
authPluginName = Encoding.UTF8.GetString(reader.ReadNullOrEofTerminatedByteString());
}
}
if (authPluginData == null)
{
authPluginData = new byte[authPluginData1.Count];
Buffer.BlockCopy(authPluginData1.Array, authPluginData1.Offset, authPluginData, 0, authPluginData1.Count);
}
if (reader.BytesRemaining != 0)
{
throw new FormatException("Extra bytes at end of payload.");
}
return(new InitialHandshakePayload(protocolCapabilities, serverVersion, connectionId, authPluginData, authPluginName));
}
public static LocalInfilePayload Create(PayloadData payload)
{
var reader = new ByteArrayReader(payload.ArraySegment);
reader.ReadByte(Signature);
var fileName = Encoding.UTF8.GetString(reader.ReadByteArraySegment(reader.BytesRemaining));
return(new LocalInfilePayload(fileName));
}
public static ErrorPayload Create(PayloadData payload)
{
var reader = new ByteArrayReader(payload.ArraySegment);
reader.ReadByte(Signature);
var errorCode = reader.ReadUInt16();
var stateMarker = Encoding.ASCII.GetString(reader.ReadByteArraySegment(1));
string state, message;
if (stateMarker == "#")
{
state = Encoding.ASCII.GetString(reader.ReadByteArraySegment(5));
message = Encoding.UTF8.GetString(reader.ReadByteArraySegment(payload.ArraySegment.Count - 9));
}
else
{
state = "HY000";
message = stateMarker + Encoding.UTF8.GetString(reader.ReadByteArraySegment(payload.ArraySegment.Count - 4));
}
return(new ErrorPayload(errorCode, state, message));
}
