public void Handle_MCU_Connect()
{
//从FRAM获得guid
byte[] guidFRAMByte = null;
if (mMCU.Read_Block(0, 16, out guidFRAMByte))//从FRAM读取guid成功
{
Debug.Log("open guid:" + NemoSerial.ByteArrayToString(StaticValueContainerDBFRAM.GetDBID().ToByteArray()));
System.Guid FRAMEGUID = new System.Guid(guidFRAMByte);
if (StaticValueContainerDBFRAM.GetDBID() != System.Guid.Empty &&
FRAMEGUID != StaticValueContainerDBFRAM.GetDBID()) //FRAM和db的guid不一致
{
Debug.Log("open guid不一致:" + NemoSerial.ByteArrayToString(StaticValueContainerDBFRAM.GetDBID().ToByteArray()));
mMCU.RequestReadWrite(true, 0, 16, StaticValueContainerDBFRAM.GetDBID().ToByteArray());//将dbid写入FRAM
//更新所有IUpdatable
foreach (IUpdatable i in Updatables)
{
i.UpdateToFRAM();
}
}
}
//if(StaticValueContainerDBFRAM.GetDBID()
}
public HotFileDbFRAMIO(string key, string filePath)
{
if (GameMain.Singleton != null)
{
mMCU = GameMain.Singleton.ArcIO;
}
if (mMCU == null)
{
mMCU = INemoControlIOSinglton.Get();
}
//?????????????
if (mConn == null)
{
if (DataBaseName == "")
{
DataBaseName = "GameDB.db";
}
string dataPath = System.Environment.CurrentDirectory + "/DataFiles";
if (!Directory.Exists(dataPath))
{
Directory.CreateDirectory(dataPath);
}
mConn = new SqliteConnection("Data Source = DataFiles/" + DataBaseName + ";");
mConn.Open();
if (mCMD == null)
{
mCMD = mConn.CreateCommand();
mCMD.Parameters.Add(new SqliteParameter());
}
mCMD.CommandText = "PRAGMA journal_mode =wal;";//wal??
mCMD.ExecuteNonQuery();
}
mKey = key;
mDBType = GetDBType();
//bool isInitFRAMByDB = false;
//?????DB_FARM_ID
if (mMCU.IsOpen() && DB_ID == System.Guid.Empty)
{
using (SqliteCommand cmd = mConn.CreateCommand())
{
cmd.CommandText = "CREATE TABLE IF NOT EXISTS _DB_GUID(Val BLOB);";
//cmd.Parameters.Add("@data", System.Data.DbType.Binary).Value = System.Guid.Empty.ToByteArray();
cmd.ExecuteNonQuery();
cmd.CommandText = string.Format(" SELECT * FROM _DB_GUID;");
SqliteDataReader r = cmd.ExecuteReader();
r.Read();
if (r.HasRows)//????????????????
{
//???????????guid?
DB_ID = new System.Guid(r.GetValue(0) as byte[]);
//???FRAM??guid?
byte[] guidFRAMByte = null;
if (mMCU.Read_Block(0, 16, out guidFRAMByte))//??FRAM???guid???
{
System.Guid FRAMEGUID = new System.Guid(guidFRAMByte);
if (FRAMEGUID != DB_ID) //FRAM??db??guid?????
{
mMCU.RequestReadWrite(true, 0, 16, DB_ID.ToByteArray()); //??dbid§Õ??FRAM
IsInitFRAMByDB = true;
}
}
r.Close();
}
else//?????????guid
{
r.Close();
//??????dbGUID
DB_ID = System.Guid.NewGuid();
byte[] guidByteNew = DB_ID.ToByteArray();
//????db
cmd.CommandText = "INSERT INTO _DB_GUID VALUES (@data)";
cmd.Parameters.Add("@data", System.Data.DbType.Binary).Value = guidByteNew;
cmd.ExecuteNonQuery();
//?????????guid ????FRAM
mMCU.RequestReadWrite(true, 0, 16, guidByteNew);
IsInitFRAMByDB = true;
}
}
}
//??????(4294967295 == 0xffffffff)
mCMD.CommandText = string.Format("CREATE TABLE IF NOT EXISTS {0:s}(Val {1:s} KEY DEFAULT {2:s},Address INTEGER DEFAULT 4294967295,Length INTEGER DEFAULT {3:d});", mKey, GetDBTypeString(), GetDefaultDBValString(), GetValLength());
mCMD.ExecuteNonQuery();
//???????????????
mCMD.CommandText = string.Format(" SELECT * FROM {0:s};", mKey);
SqliteDataReader reader = mCMD.ExecuteReader();
reader.Read();
//
//System.Guid.NewGuid();
if (reader.HasRows)//????????????????
{
//????????????????????????
mAddress = (uint)reader.GetInt64(1);
mDataLength = (byte)reader.GetInt32(2);
if (IsInitFRAMByDB)
{
WriteToFRAM(ObjectToVal(reader.GetValue(0)));
}
reader.Close();
}
else//????????????????,????????
{
mAddress = CurrentUseAddress;
mDataLength = (byte)GetValLength();
reader.Close();
//???????????
mCMD.CommandText = string.Format("INSERT INTO {0:s} VALUES({1:s},{2:d},{3:d})", mKey, GetDefaultDBValString(), mAddress, mDataLength);
CurrentUseAddress += GetValLength();//???????
mCMD.ExecuteNonQuery();
//?????farm
WriteToFRAM(GetDefaultVal());
}
mUpdateSQLText = "UPDATE " + mKey + " SET Val = ?;";
++SqliteConnRefCount;
HotFileDBIOReleaser.HotFileDBReg(this);
HotFileDBFRAM_Updater.Reg(this);
}