Esempio n. 1
0
        /// <summary>
        /// Return an AbstractConnection to the pool
        /// </summary>
        /// <param name="cxn">The connection to return to the pool</param>
        /// <returns></returns>
        public override object checkIn(AbstractResource cxn)
        {
            AbstractConnection theCxn = (AbstractConnection)cxn; // first get a new reference

            if (!theCxn.IsConnected || !theCxn.isAlive())        // don't add disconnected connections to the pool
            {
                this.TotalResources--;
                return(null);
            }
            theCxn.LastUsed = DateTime.Now;

            if (cxn is VistaPoolConnection)
            {
                if (this.PoolSource.Credentials == null)      // if not an authenticated connection
                {
                    ((VistaPoolConnection)theCxn).resetRaw(); // reset the symbol table so we're always receiving fresh from pool
                    ((VistaAccount)((VistaConnection)theCxn).Account).setContext(new MenuOption("XUS SIGNON"));
                }
                _pooledCxns.Add(theCxn);
            }
            else if (cxn is VistaConnection)
            {
                if (this.PoolSource.Credentials == null) // if not an authenticated connection
                {
                    ((VistaAccount)((VistaConnection)theCxn).Account).setContext(new MenuOption("XUS SIGNON"));
                }
                _pooledCxns.Add(theCxn);
            }
            else
            {
                _pooledCxns.Add(theCxn);
            }
            //System.Console.WriteLine("A connection was returned to the pool. {0} available", _pooledCxns.Count);
            return(null);
        }
Esempio n. 2
0
        public void testEagerStartupCxnTimeouts()
        {
            _localSource.LoadStrategy = LoadingStrategy.Eager;
            _localSource.Timeout      = new TimeSpan(0, 0, 4);
            _pool = AbstractResourcePoolFactory.getResourcePool(_localSource);

            System.Threading.Thread.Sleep(3000); // wait a few seconds for pool to start but not enough for cxns to timeout

            Assert.IsTrue(_pool.TotalResources > 0, "Should have resources before asking for them in eager startup model");
            AbstractConnection cxn = (AbstractConnection)_pool.checkOut("901");

            Assert.IsNotNull(cxn);
            Assert.IsTrue(cxn.isAlive()); // the checkout function of the pool should ensure we're getting an alive connection but assert anyways to prove
            _pool.checkIn(cxn);           // cleanup

            System.Threading.Thread.Sleep(5000);
        }
Esempio n. 3
0
        public void testRunningPool()
        {
            _localSource.Timeout = new TimeSpan(0, 0, 1); // set this very low so the test can run quickly
            _pool = AbstractResourcePoolFactory.getResourcePool(_localSource);

            System.Threading.Thread.Sleep(5000);

            // let's increase our connection timeout for this test so we can more easily test the state of things
            _localSource.Timeout = new TimeSpan(0, 0, 5); // this should affect all newly created connections

            AbstractConnection cxn    = (AbstractConnection)_pool.checkOutAlive("901");
            Int32 resourceCountBefore = _pool.TotalResources; // we take this immediately after checkOutAlive which should have found all our timed out connections and begun adding new ones

            // the pool shouldn't try to restart connections until they're needed - checkOutAlive should be that signal
            // so, now that checkOutAlive has been called, the pool should have discovered that it doesn't have any alive resources and started adding some back
            Assert.IsTrue(_pool.TotalResources == 1);

            Assert.IsNotNull(cxn);
            Assert.IsTrue(cxn.isAlive());        // the checkout function of the pool should ensure we're getting an alive connection but assert anyways to prove

            System.Threading.Thread.Sleep(1100); // even though our connection is checked out, it should still timeout
            _pool.checkIn(cxn);                  // the pool shouldn't put this item back in its collection (doesn't throw error though)
            Int32 resourcesAfter = _pool.TotalResources;
        }