예제 #1
0
        public void LifeTimeIsTakenInAccount()
        {
            var SMALLEST_LIFETIME_TO_TEST    = 1;
            var WAIT_TO_MAKE_LIFETIME_PASSED = 2;

            TdsConnectionPoolManager sqlConnectionPools = new FakeConnectionPoolManager();
            TdsConnectionInfo        info = new TdsConnectionInfo("dummy", 0, 0, 0,
                                                                  1 /*minpoolsize*/,
                                                                  1 /*maxpoolsize*/,
                                                                  SMALLEST_LIFETIME_TO_TEST /*lifetime*/);

            TdsConnectionPool pool = sqlConnectionPools.GetConnectionPool("test", info);

            Mono.Data.Tds.Protocol.Tds tds, tds2 = null;

            tds = pool.GetConnection();

            System.Threading.Thread.Sleep(TimeSpan.FromSeconds(WAIT_TO_MAKE_LIFETIME_PASSED));
            pool.ReleaseConnection(tds);

            tds2 = pool.GetConnection();


            Assert.IsFalse(object.ReferenceEquals(tds, tds2));
            pool.ReleaseConnection(tds2);
        }
예제 #2
0
        void Open()
        {
            string serverName = "";

            if (connectionString == null || connectionString.Equals(""))
            {
                throw new InvalidOperationException("Connection string has not been initialized.");
            }

            try {
                if (!pooling)
                {
                    ParseDataSource(dataSource, out port, out serverName);
                    tds = new Tds50(serverName, port, PacketSize, ConnectionTimeout);
                }
                else
                {
                    ParseDataSource(dataSource, out port, out serverName);
                    TdsConnectionInfo info = new TdsConnectionInfo(serverName, port, packetSize, ConnectionTimeout, minPoolSize, maxPoolSize);
                    pool = sybaseConnectionPools.GetConnectionPool(connectionString, info);
                    tds  = pool.GetConnection();
                }
            }
            catch (TdsTimeoutException e) {
                throw SybaseException.FromTdsInternalException((TdsInternalException)e);
            }

            tds.TdsErrorMessage += new TdsInternalErrorMessageEventHandler(ErrorHandler);
            tds.TdsInfoMessage  += new TdsInternalInfoMessageEventHandler(MessageHandler);

            if (!tds.IsConnected)
            {
                try {
                    tds.Connect(parms);
                    ChangeState(ConnectionState.Open);
                    ChangeDatabase(parms.Database);
                }
                catch {
                    if (pooling)
                    {
                        pool.ReleaseConnection(tds);
                    }
                    throw;
                }
            }
            else if (connectionReset)
            {
                // tds.ExecuteNonQuery ("EXEC sp_reset_connection"); FIXME
                ChangeState(ConnectionState.Open);
            }
        }
예제 #3
0
        public void CheckNullException()
        {
            //set up dummy sql listener, if there is a real sql server on this
            //machine at that port, in theory this part will fail, but that's ok
            //becuase something will be listening on the port and that's all we
            //require at this point: a listener on port 1433...

            try{
                Socket Listener = new Socket(AddressFamily.InterNetwork,
                                             SocketType.Stream,
                                             ProtocolType.Tcp);
                IPAddress  hostIP = Dns.GetHostEntry("localhost").AddressList[0];
                IPEndPoint ep     = new IPEndPoint(hostIP, 1433);
                Listener.Bind(ep);
                Listener.Listen(1);
            } catch (Exception) {
                //ignore
            }

            //try to connect twice, in earlier failure would get null exception
            //on 2nd call to pool.GetConnection();
            //Most of this code ripped from sqlConnection.Open()

            TdsConnectionPool pool;

            TdsConnectionPoolManager sqlConnectionPools =
                new TdsConnectionPoolManager(TdsVersion.tds80);
            TdsConnectionInfo info =
                new TdsConnectionInfo(SERVER /*dummyhost*/, 1433 /*port*/,
                                      8192 /*pktsize*/, 15 /*timeout*/, 0 /*minpoolsize*/,
                                      100 /*maxpoolsize*/, 0 /*lifetime*/);

            pool = sqlConnectionPools.GetConnectionPool("test", info);
            Tds tds = null;

            //this first one succeeded regardless as long as something answered
            //the phone on port 1433 of localhost
            tds = pool.GetConnection();

            pool.ReleaseConnection(tds);


            // 2nd time thru: This will fail with nullreferenceexception
            // at pool.GetConnection() unless the patch by Rob Wilkens which
            // adds "result=null;" before retry in pool.getConnection() source

            //First let's pretend we're calling this test fresh, as if we
            //call sqlConnection.Open() again :

            info = new TdsConnectionInfo(SERVER /*dummyhost*/, 1433 /*port*/,
                                         8192 /*pktsize*/, 15 /*timeout*/, 0 /*minpoolsize*/,
                                         100 /*maxpoolsize*/, 0 /*lifetime*/);

            pool = sqlConnectionPools.GetConnectionPool("test", info);

            //Then: Test for failure (will raise uncaught exception which
            //causes failure of test if bug is not fixed
            tds = pool.GetConnection();

            pool.ReleaseConnection(tds);

            //exit
        }
예제 #4
0
파일: bug-4786.cs 프로젝트: REALTOBIZ/mono
    public void CheckNullException() 
    {

	//set up dummy sql listener, if there is a real sql server on this
	//machine at that port, in theory this part will fail, but that's ok
	//becuase something will be listening on the port and that's all we
	//require at this point: a listener on port 1433...

	try{
		Socket Listener = new Socket(AddressFamily.InterNetwork, 
                                         SocketType.Stream,
                                         ProtocolType.Tcp);
		IPAddress hostIP =Dns.GetHostEntry("localhost").AddressList[0];
        	IPEndPoint ep = new IPEndPoint(hostIP, 1433);
		Listener.Bind(ep); 
        	Listener.Listen(1);
	} catch (Exception){
		//ignore
	}

	//try to connect twice, in earlier failure would get null exception
	//on 2nd call to pool.GetConnection();
	//Most of this code ripped from sqlConnection.Open()

	TdsConnectionPool pool;
	
	TdsConnectionPoolManager sqlConnectionPools = 
		new TdsConnectionPoolManager(TdsVersion.tds80);	
	TdsConnectionInfo info=
		new TdsConnectionInfo(SERVER/*dummyhost*/,1433/*port*/,
		8192/*pktsize*/,15/*timeout*/,0/*minpoolsize*/,
		100/*maxpoolsize*/, 0/*lifetime*/);
	pool=sqlConnectionPools.GetConnectionPool("test",info);
	Tds tds=null;

	//this first one succeeded regardless as long as something answered
	//the phone on port 1433 of localhost
	tds=pool.GetConnection();

	pool.ReleaseConnection(tds);


	// 2nd time thru: This will fail with nullreferenceexception 
	// at pool.GetConnection() unless the patch by Rob Wilkens which 
	// adds "result=null;" before retry in pool.getConnection() source

	//First let's pretend we're calling this test fresh, as if we
	//call sqlConnection.Open() again :

	info=new TdsConnectionInfo(SERVER/*dummyhost*/,1433/*port*/,
		8192/*pktsize*/,15/*timeout*/,0/*minpoolsize*/,
		100/*maxpoolsize*/, 0/*lifetime*/);

	pool=sqlConnectionPools.GetConnectionPool("test",info);

	//Then: Test for failure (will raise uncaught exception which
	//causes failure of test if bug is not fixed
	tds=pool.GetConnection();

	pool.ReleaseConnection(tds);

	//exit
    }
예제 #5
0
 public override Mono.Data.Tds.Protocol.Tds CreateConnection(TdsConnectionInfo info)
 {
     return(new FakeTds(info.LifeTime));
 }