public static PayloadData Create(string user, byte[] authResponse, string schemaName) { var writer = new PayloadWriter(); writer.WriteByte((byte)CommandKind.ChangeUser); writer.WriteNullTerminatedString(user); writer.WriteByte(checked ((byte)authResponse.Length)); writer.Write(authResponse); writer.WriteNullTerminatedString(schemaName ?? ""); writer.WriteByte((byte)CharacterSet.Utf8Mb4Binary); writer.WriteByte(0); writer.WriteNullTerminatedString("mysql_native_password"); return(new PayloadData(new ArraySegment <byte>(writer.ToBytes()))); }
public static PayloadData Create(uint statementId, IList <StatementParameter> parameters) { var writer = new PayloadWriter(); writer.WriteByte((byte)CommandKind.ExecuteStatement); writer.WriteUInt32(statementId); writer.WriteByte(0); // flags == CURSOR_TYPE_NO_CURSOR writer.WriteUInt32(1); // iteration count is always 1 if (parameters.Count > 0) { int parametersProcessed = 0; while (parametersProcessed < parameters.Count) { byte nullBitmap = 0; for (int i = 0; i < Math.Min(8, parameters.Count - parametersProcessed); i++) { if (parameters[parametersProcessed + i].IsNull) { nullBitmap |= (byte)(1 << i); } } writer.WriteByte(nullBitmap); parametersProcessed += 8; } writer.WriteByte((byte)(parameters.Count == 0 ? 0 : 1)); // new parameters bound foreach (var parameter in parameters) { writer.WriteByte((byte)parameter.Type); writer.WriteByte((byte)(parameter.IsUnsigned ? 0x80 : 0)); } foreach (var parameter in parameters) { writer.Write(parameter.Data); } } return(new PayloadData(new ArraySegment <byte>(writer.ToBytes()))); }