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());
}
}
public void SetHeadCrc()
{
IntTool.PutUint32(headProto, kHeadHeadCrcOffset, CRC.Crc32(headProto, 0, 60));
}
public void SetBodyCrc(UInt32 bodyCrc)
{
IntTool.PutUint32(headProto, kHeadBodyCrcOffset, bodyCrc);
}
public void SetErrPos(UInt32 errPos)
{
IntTool.PutUint32(headProto, kHeadErrPosOffset, errPos);
}
public void SetRecordCnt(UInt32 recordCnt)
{
IntTool.PutUint32(headProto, kHeadRecordCntOffset, recordCnt);
}
public void SetFieldCnt(UInt32 fieldCnt)
{
IntTool.PutUint32(headProto, kHeadFieldCntOffset, fieldCnt);
}
public void SetReturnVal(UInt32 retVal)
{
IntTool.PutUint32(headProto, kHeadRetValOffset, retVal);
}
public void SetBodyLen(UInt32 bodyLen)
{
IntTool.PutUint32(headProto, kHeadBodyLenOffset, bodyLen);
}
public void SetMethod(UInt32 methodId)
{
IntTool.PutUint32(headProto, kHeadMethodOffset, methodId);
}
public void SetVersion(UInt32 version)
{
IntTool.PutUint32(headProto, kHeadVerOffset, version);
}