private void Login()
{
byte[] loginPacket = new byte[ProtoHeader.kHeadLen + kUserNameLen + kPwdLen];
ProtoHeader proHdr = new ProtoHeader(loginPacket);
Array.Clear(loginPacket, 0, (loginPacket.Length));
byte[] nameArray = System.Text.Encoding.Default.GetBytes(UserName);
byte[] pwdArray = System.Text.Encoding.Default.GetBytes(Password);
if (nameArray.Length >= kUserNameLen)
{
throw new PDBException(PDBErrorCode.PdbE_INVALID_USER_NAME, "非法的用户名：用户名不合法");
}
for (int i = 0; i < nameArray.Length; i++)
{
loginPacket[ProtoHeader.kHeadLen + i] = nameArray[i];
}
UInt64 pwd64 = CRC.Crc64(pwdArray);
UInt32 pwd32 = (UInt32)(pwd64 & 0xFFFFFFFF);
IntTool.PutUint32(loginPacket, (ProtoHeader.kHeadLen + kUserNameLen), pwd32);
UInt32 bodyCrc = CRC.Crc32(loginPacket, ProtoHeader.kHeadLen, (kUserNameLen + kPwdLen));
proHdr.SetVersion(ProtoHeader.kProtoVersion);
proHdr.SetMethod(ProtoHeader.MethodCmdLoginReq);
proHdr.SetBodyLen((uint)(kUserNameLen + kPwdLen));
proHdr.SetReturnVal(0);
proHdr.SetRecordCnt((uint)0);
proHdr.SetBodyCrc(bodyCrc);
proHdr.SetHeadCrc();
Request(loginPacket);
byte[] resBuf = Recv();
ProtoHeader resHdr = new ProtoHeader(resBuf);
if (resHdr.GetMethod() != ProtoHeader.MethodCmdLoginRep)
{
throw new PDBException(PDBErrorCode.PdbE_PACKET_ERROR);
}
if (resHdr.GetReturnVal() != 0)
{
throw new PDBException(PDBErrorCode.PdbE_NET_ERROR, "网络错误：登录失败," + resHdr.GetReturnVal().ToString());
}
}
/// <summary>
/// 其他，例如：添加用户，删除用户，删除数据 等等..
/// </summary>
/// <param name="sql">执行的SQL</param>
public void ExecuteNonQuery(string sql)
{
SuccessCount = 0;
lock (ConnObj)
{
byte[] sendPacket = MakeRequestPacket(ProtoHeader.MethodCmdNonQueryReq, sql);
ConnObj.Request(sendPacket);
byte[] recvPacket = ConnObj.Recv();
ProtoHeader proHdr = new ProtoHeader(recvPacket);
if (proHdr.GetMethod() != ProtoHeader.MethodCmdNonQueryRep)
{
throw new PDBException(PDBErrorCode.PdbE_PACKET_ERROR, "报文错误:Error Packet");
}
PDBErrorCode errCode = (PDBErrorCode)proHdr.GetReturnVal();
if (errCode != PDBErrorCode.PdbE_OK)
{
throw new PDBException(errCode);
}
}
}