示例#1
0
        public DatabaseClient GetClient()
        {
            lock (this)
            {
                if (mClients.Length > 2)
                {
                    for (uint i = 0; i < mClients.Length; i++)
                    {
                        if (mClientAvailable[i])
                        {
                            mClientAvailable[i]      = false;
                            mClientStarvationCounter = 0;

                            if (mClients[i].State == ConnectionState.Closed)
                            {
                                try
                                {
                                    var StateConn = mClients[i].Connect();
                                    if (StateConn == ConnectionState.Connecting)
                                    {
                                        Log.WriteLine(LogLevel.Debug,
                                                      "Opening connection for database client #" + mClients[i].mHandle);
                                    }
                                    else if (StateConn == ConnectionState.Open)
                                    {
                                        mClients[i].Destroy();
                                        mClients[i] = new DatabaseClient(i, this);
                                        mClients[i].Connect();
                                    }
                                    else if (StateConn == ConnectionState.Closed)
                                    {
                                        //TODO Caching
                                        Console.WriteLine("Caching client Message");
                                        return(mClients[i]);
                                    }
                                    else if (StateConn == ConnectionState.Broken)
                                    {
                                        mClients[i].Destroy();
                                        mClients[i] = new DatabaseClient(i, this);
                                        mClients[i].Connect();
                                    }
                                }
                                catch (Exception ex)
                                {
                                    Log.WriteLine(LogLevel.Exception, "{0}", ex.Message);
                                }
                            }

                            if (mClients[i].State == ConnectionState.Open)
                            {
                                mClients[i].UpdateLastActivity();
                                if (!mClients[i].IsBusy)
                                {
                                    mClients[i].IsBusy = true;
                                    return(mClients[i]);
                                }
                            }
                        }
                    }
                }

                mClientStarvationCounter++;

                if (mClientStarvationCounter >= (mClients.Length + 1) / 2)
                {
                    mClientStarvationCounter = 0;
                    SetClientAmount((uint)(mClients.Length + 1 * 1.3f));

                    return(GetClient());
                }

                var pAnonymous = new DatabaseClient(0, this);
                var StateConns = pAnonymous.Connect();
                if (StateConns == ConnectionState.Connecting)
                {
                    pAnonymous.IsBusy = true;
                    Log.WriteLine(LogLevel.Debug, "Opening connection for database clientanon");
                }
                else if (StateConns == ConnectionState.Open)
                {
                    pAnonymous.Destroy();
                    pAnonymous = new DatabaseClient(0, this);
                    pAnonymous.Connect();
                }
                else if (StateConns == ConnectionState.Closed)
                {
                    //TODO Caching
                    Console.WriteLine("Caching client Message");
                    return(pAnonymous);
                }
                else if (StateConns == ConnectionState.Broken)
                {
                    pAnonymous.Destroy();
                    pAnonymous = new DatabaseClient(0, this);
                    pAnonymous.Connect();
                }
//                pAnonymous.Connect();

                Log.WriteLine(LogLevel.Debug, "Handed out anonymous client.");
                return(pAnonymous);
            }
        }