Used by the session communications code. Not intended to be used by applications.
Inheritance: IDisposable
Example #1
0
        public Session(
            IApplication app, IMessageStoreFactory storeFactory, SessionID sessID, DataDictionaryProvider dataDictProvider,
            SessionSchedule sessionSchedule, int heartBtInt, ILogFactory logFactory, IMessageFactory msgFactory, string senderDefaultApplVerID)
        {
            this.Application = app;
            this.SessionID = sessID;
            this.DataDictionaryProvider = new DataDictionaryProvider(dataDictProvider);
            this.schedule_ = sessionSchedule;
            this.msgFactory_ = msgFactory;

            this.SenderDefaultApplVerID = senderDefaultApplVerID;

            this.SessionDataDictionary = this.DataDictionaryProvider.GetSessionDataDictionary(this.SessionID.BeginString);
            if (this.SessionID.IsFIXT)
                this.ApplicationDataDictionary = this.DataDictionaryProvider.GetApplicationDataDictionary(this.SenderDefaultApplVerID);
            else
                this.ApplicationDataDictionary = this.SessionDataDictionary;

            ILog log;
            if (null != logFactory)
                log = logFactory.Create(sessID);
            else
                log = new NullLog();

            state_ = new SessionState(log, heartBtInt)
            {
                MessageStore = storeFactory.Create(sessID)
            };

            // Configuration defaults.
            // Will be overridden by the SessionFactory with values in the user's configuration.
            this.PersistMessages = true;
            this.ResetOnDisconnect = false;
            this.SendRedundantResendRequests = false;
            this.ValidateLengthAndChecksum = true;
            this.CheckCompID = true;
            this.MillisecondsInTimeStamp = true;
            this.EnableLastMsgSeqNumProcessed = false;
            this.MaxMessagesInResendRequest = 0;
            this.SendLogoutBeforeTimeoutDisconnect = false;
            this.IgnorePossDupResendRequests = false;
            this.RequiresOrigSendingTime = true;
            this.CheckLatency = true;
            this.MaxLatency = 120;

            if (!IsSessionTime)
                Reset("Out of SessionTime (Session construction)");
            else if (IsNewSession)
                Reset("New session");

            lock (sessions_)
            {
                sessions_[this.SessionID] = this;
            }

            this.Application.OnCreate(this.SessionID);
            this.Log.OnEvent("Created session");
        }
Example #2
0
        /// FIXME
        public Session(
            Application app, MessageStoreFactory storeFactory, SessionID sessID, DataDictionaryProvider dataDictProvider,
            SessionSchedule sessionSchedule, int heartBtInt, LogFactory logFactory, IMessageFactory msgFactory, string senderDefaultApplVerID)
        {
            this.Application = app;
            this.SessionID = sessID;
            this.DataDictionaryProvider = new DataDictionaryProvider(dataDictProvider);
            this.schedule_ = sessionSchedule;
            this.msgFactory_ = msgFactory;

            this.SenderDefaultApplVerID = senderDefaultApplVerID;

            this.SessionDataDictionary = this.DataDictionaryProvider.GetSessionDataDictionary(this.SessionID.BeginString);
            if (this.SessionID.IsFIXT)
                this.ApplicationDataDictionary = this.DataDictionaryProvider.GetApplicationDataDictionary(this.SenderDefaultApplVerID);
            else
                this.ApplicationDataDictionary = this.SessionDataDictionary;

            Log log;
            if (null != logFactory)
                log = logFactory.Create(sessID);
            else
                log = new NullLog();

            state_ = new SessionState(log, heartBtInt)
            {
                MessageStore = storeFactory.Create(sessID)
            };

            this.PersistMessages = true;
            this.ResetOnDisconnect = false;
            this.SendRedundantResendRequests = false;
            this.ValidateLengthAndChecksum = true;
            this.CheckCompID = true;
            this.MillisecondsInTimeStamp = true;
            this.EnableLastMsgSeqNumProcessed = false;
            this.MaxMessagesInResendRequest = 0;
            this.SendLogoutBeforeTimeoutDisconnect = false;
            this.IgnorePossDupResendRequests = false;

            if (!IsSessionTime)
                Reset();

            lock (sessions_)
            {
                sessions_[this.SessionID] = this;
            }

            this.Application.OnCreate(this.SessionID);
            this.Log.OnEvent("Created session");
        }
Example #3
0
        /// FIXME
        public Session(
            Application app, MessageStoreFactory storeFactory, SessionID sessID, DataDictionaryProvider dataDictProvider,
            SessionSchedule sessionSchedule, int heartBtInt, LogFactory logFactory, IMessageFactory msgFactory)
        {
            this.Application = app;
            this.SessionID = sessID;
            this.DataDictionaryProvider = new DataDictionaryProvider(dataDictProvider);
            this.schedule_ = sessionSchedule;
            this.msgFactory_ = msgFactory;

            this.SessionDataDictionary = this.DataDictionaryProvider.GetSessionDataDictionary(this.SessionID.BeginString);
            if (this.SessionID.IsFIXT)
                this.ApplicationDataDictionary = this.DataDictionaryProvider.GetApplicationDataDictionary(this.SenderDefaultApplVerID);
            else
                this.ApplicationDataDictionary = this.SessionDataDictionary;

            Log log;
            if (null != logFactory)
                log = logFactory.Create(sessID);
            else
                log = new NullLog();

            state_ = new SessionState(log, heartBtInt);
            state_.MessageStore = storeFactory.Create(sessID);

            this.PersistMessages = true;
            this.ResetOnDisconnect = false;
            this.SendRedundantResendRequests = false;
            this.ValidateLengthAndChecksum = true;
            this.CheckCompID = true;

            if (!CheckSessionTime())
                Reset();

            lock (sessions_)
            {
                sessions_[this.SessionID] = this;
            }

            this.Application.OnCreate(this.SessionID);
            this.Log.OnEvent("Created session");
        }
Example #4
0
        public void ThreadSafeSetAndGet()
        {
            //Set up store
            if (System.IO.Directory.Exists("store")) {
                System.IO.Directory.Delete("store", true);
            }

            SessionID sessionId = new SessionID("FIX.4.2", "SENDERCOMP", "TARGETCOMP");

            Dictionary config = new Dictionary();
            config.SetString(SessionSettings.CONNECTION_TYPE, "initiator");
            config.SetString(SessionSettings.FILE_STORE_PATH, "store");

            SessionSettings settings = new SessionSettings();
            settings.Set(sessionId, config);
            FileStoreFactory factory = new FileStoreFactory(settings);

            FileStore store = (FileStore)factory.Create(sessionId);

            NullLog log = new NullLog();

            //Set up sessionstate
            SessionState state = new SessionState(log, 1) {MessageStore = store};

            Hashtable errorsTable = Hashtable.Synchronized(new Hashtable());//used in more than 1 thread at a time
            Hashtable setTable = new Hashtable(1000);//only used in 1 thread at a time
            Hashtable getTable = new Hashtable(1000);//only used in 1 thread at a time

            //Synchronously populate 1000 messages
            for (int i = 1; i < 1000; i++) {
                string msg = "msg" + i;
                state.Set(i, msg);
                setTable[i] = msg;
            }

            //Simulate background sending of messages that populate into the store
            AutoResetEvent setEvent = new AutoResetEvent(false);
            ThreadPool.QueueUserWorkItem(delegate(object stateObject) {
                AutoResetEvent internalSetEvent = (AutoResetEvent)((object[])stateObject)[0];
                SessionState internalState = (SessionState)((object[])stateObject)[1];
                for (int i = 1001; i < 2000; i++) {
                    try {
                        internalState.Set(i, "msg" + i);
                    }
                    catch (System.IO.IOException ex) {
                        errorsTable[ex.Message] = ex;
                    }
                }

                internalSetEvent.Set();
            }
            , new object[] { setEvent, state });

            //Simulate background reading of messages from the store - like is done in a resend request answer
            AutoResetEvent getEvent = new AutoResetEvent(false);
            ThreadPool.QueueUserWorkItem(delegate(object stateObject){
                AutoResetEvent internalGetEvent = (AutoResetEvent)((object[])stateObject)[0];
                SessionState internalState = (SessionState)((object[])stateObject)[1];
                for (int i = 1; i < 1000; i++) {
                    try {
                        List<string> lst = new List<string>(1);
                        internalState.Get(i, i, lst);
                        if (lst.Count == 0) {
                            getTable[i] = "nothing read";
                        }
                        else {
                            getTable[i] = lst[0];
                        }
                    }
                    catch (System.IO.IOException ex) {
                        errorsTable[ex.Message] = ex;
                    }
                }

                internalGetEvent.Set();
            }
            , new object[]{getEvent, state});

            //wait till done and assert results
            Assert.True(setEvent.WaitOne(10000), "Get or Set hung/timed out during concurrent usage");
            Assert.True(getEvent.WaitOne(10000), "Get or Set hung/timed out during concurrent usage");
            Assert.AreEqual(setTable, getTable, "Garbled data read  in concurrent set and get (like between resendrequest and send)");
            Assert.AreEqual(errorsTable.Count, 0, "IOException occured in concurrent set and get (like between resendrequest and send)");

            //Tear down filestore
            state.Dispose();
            store.Dispose();
        }