示例#1
0
        /// <summary>
        /// Read stream and convert to array of objects.
        /// </summary>
        /// <returns> array of objects </returns>
        private void Read()
        {
            byte[] data  = new byte[256];
            var    input = new StringBuilder();

            while (IsConnected)
            {
                input.Clear();
                try
                {
                    do
                    {
                        int bytes = stream.Read(data, 0, data.Length);
                        input.Append(Encoding.UTF8.GetString(data, 0, bytes));
                    } while (stream.DataAvailable);
                }
                catch
                {
                    Disconnect();
                    return;
                }

                var message = JsonConvert.DeserializeObject <object[]>(input.ToString());
                OnGetData.Invoke(message, this);
            }
        }
        private void btnDataRange_Click(object sender, EventArgs e)
        {
            if (OnGetData == null)
            {
                return;
            }
            FormSelectDataRange frm = new FormSelectDataRange();

            if (!frm.Execute(_currentData.TsFrom, _currentData.TsTo, _currentData.Prices.DataRangeDateTimeInputFormat()))
            {
                return;
            }
            _currentData.Prices = OnGetData.Invoke(_currentData, frm.TsFrom, frm.TsTo);
            RecalculateStats();
            ReloadCurrentData();
            chartPV.ResetZoom();
            DisplayCurrentStockInfo();
        }
示例#3
0
        /// <summary>
        /// Метод возникающий при появлении файла
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e">Данные события папки</param>
        private void FileCreate(object sender, FileSystemEventArgs e)
        {
            var pathFile = e.FullPath;

            if (File.Exists(pathFile))
            {
                Log.Info("В папке обнаружен файл " + pathFile);
                if (Path.GetExtension(pathFile) == ".txt")
                {
                    try
                    {
                        string data = File.ReadAllText(pathFile);
                        if (!string.IsNullOrEmpty(data))
                        {
                            OnGetData?.Invoke(pathFile, data);
                            return;
                        }
                        else
                        {
                            Log.Error("Файл пуст");
                        }
                    }

                    catch (Exception ex)
                    {
                        Log.Error("Не удалось считать данные", ex);
                    }
                }
                else
                {
                    Log.Error("Расширение файла не соответствует txt");
                }

                MoveFileinGarbage(pathFile);
            }
        }
示例#4
0
        public static object ShowWindow(string _TargerWindow, object Sender, OnNotifyData NotifyData, OnGetData GetData, Boolean IsModel)
        {
            Type   type    = System.Reflection.Assembly.Load(asmName.Name).GetType(_TargerWindow);
            object _Window = GetWindow(type);

            if ((Sender != null) && (type.BaseType == typeof(frmBase)))
            {
                (_Window as frmBase).Sender = Sender;
                if (NotifyData != null)
                {
                    (_Window as frmBase).NotifyData += new OnNotifyData(NotifyData);
                }
                if (GetData != null)
                {
                    (_Window as frmBase).GetData += new OnGetData(GetData);
                }
            }
            string _Method = IsModel ? "ShowDialog" : "Show";

            type.InvokeMember(_Method, BindingFlags.InvokeMethod, null, _Window, null);
            return(_Window);
        }
示例#5
0
        public static object ShowWindow(Type _TargerWindow, object Sender, OnNotifyData NotifyData, OnGetData GetData, Boolean IsModel, string WaitHint = FirstFrame.Const.BaseConst.WaitWindowOpenHint)
        {
            //if (WaitHint != "")
            //{
            //    Splash.ShowWaitForm();
            //    Splash.SetWaitFormDescription(WaitHint);
            //}
            object _Window = GetWindow(_TargerWindow);

            if (_TargerWindow.BaseType == typeof(frmBase))
            {
                (_Window as frmBase).Sender = Sender;
                if (NotifyData != null)
                {
                    (_Window as frmBase).NotifyData += new OnNotifyData(NotifyData);
                }
                if (GetData != null)
                {
                    (_Window as frmBase).GetData += new OnGetData(GetData);
                }
            }
            string _Method = IsModel ? "ShowDialog" : "Show";
            Type   type    = System.Reflection.Assembly.Load(asmName.Name).GetType(string.Format("{0}.{1}", _TargerWindow.Namespace, _TargerWindow.Name));

            //if (WaitHint != "") Splash.CloseWaitForm();
            type.InvokeMember(_Method, BindingFlags.InvokeMethod, null, _Window, null);
            return(_Window);
        }
示例#6
0
        private async Task <Message> WireDecodeMessage(UInt32 magic)
        {
            var command         = DataDecoder.DecodeFixedString(await ReceiveExactly(12));
            var payloadSize     = DataDecoder.DecodeUInt32(await ReceiveExactly(4));
            var payloadChecksum = DataDecoder.DecodeUInt32(await ReceiveExactly(4));
            var payload         = await ReceiveExactly(payloadSize.ToIntChecked());

            if (!Messaging.VerifyPayloadChecksum(payloadChecksum, payload))
            {
                throw new Exception($"Checksum failed for {command}");
            }

            var message = new Message
                          (
                Magic: magic,
                Command: command,
                PayloadSize: payloadSize,
                PayloadChecksum: payloadChecksum,
                Payload: payload.ToImmutableArray()
                          );

            switch (message.Command)
            {
            case "addr":
            {
                var addressPayload = NetworkEncoder.DecodeAddressPayload(payload);

                OnReceivedAddresses?.Invoke(owner, addressPayload.NetworkAddresses);
            }
            break;

            case "alert":
            {
                var alertPayload = NetworkEncoder.DecodeAlertPayload(payload);
            }
            break;

            case "block":
            {
                var block = DataDecoder.DecodeBlock(null, payload);

                OnBlock?.Invoke(owner, block);
            }
            break;

            case "getblocks":
            {
                var getBlocksPayload = NetworkEncoder.DecodeGetBlocksPayload(payload);

                OnGetBlocks?.Invoke(owner, getBlocksPayload);
            }
            break;

            case "getheaders":
            {
                var getHeadersPayload = NetworkEncoder.DecodeGetBlocksPayload(payload);

                OnGetHeaders?.Invoke(owner, getHeadersPayload);
            }
            break;

            case "getdata":
            {
                var invPayload = NetworkEncoder.DecodeInventoryPayload(payload);

                OnGetData?.Invoke(owner, invPayload);
            }
            break;

            case "headers":
            {
                var blockHeaders = ImmutableList.CreateBuilder <BlockHeader>();

                var offset      = 0;
                var headerCount = payload.ReadVarInt(ref offset).ToIntChecked();

                for (var i = 0; i < headerCount; i++)
                {
                    var blockHeader = DataDecoder.DecodeBlockHeader(null, payload, ref offset);
                    // ignore tx count var int
                    payload.ReadVarInt(ref offset);

                    blockHeaders.Add(blockHeader);
                }

                OnBlockHeaders?.Invoke(owner, blockHeaders.ToImmutable());
            }
            break;

            case "inv":
            {
                var invPayload = NetworkEncoder.DecodeInventoryPayload(payload);

                OnInventoryVectors?.Invoke(owner, invPayload.InventoryVectors);
            }
            break;

            case "notfound":
            {
                var invPayload = NetworkEncoder.DecodeInventoryPayload(payload);

                OnNotFound?.Invoke(owner, invPayload.InventoryVectors);
            }
            break;

            case "ping":
            {
                OnPing?.Invoke(owner, payload.ToImmutableArray());
            }
            break;

            case "tx":
            {
                var tx = DataDecoder.DecodeEncodedTx(null, payload);

                OnTransaction?.Invoke(owner, tx);
            }
            break;

            case "version":
            {
                var versionPayload = NetworkEncoder.DecodeVersionPayload(payload, payload.Length);

                OnVersion?.Invoke(owner, versionPayload);
            }
            break;

            case "verack":
            {
                OnVersionAcknowledged?.Invoke(owner);
            }
            break;

            default:
            {
                logger.Warn($"Unhandled incoming message: {message.Command}");
            }
            break;
            }

            //TODO
            //if (payloadStream.Position != payloadStream.Length)
            //{
            //    var exMessage = $"Wrong number of bytes read for {message.Command}, parser error: read {payloadStream.Position} bytes from a {payloadStream.Length} byte payload";
            //    Debug.WriteLine(exMessage);
            //    throw new Exception(exMessage);
            //}

            return(message);
        }
示例#7
0
        private async Task ReadStream()
        {
            while (!Closing)
            {
                try
                {
                    //try to read a header
                    var hdata = new byte[24];
                    await Stream.ReadAsyncExact(hdata, 0, hdata.Length);

                    var h = new MessageHeader();
                    h.ReadFromPayload(hdata, 0);
                    if (h != null)
                    {
                        //read the payload
                        var pl = new byte[h.PayloadSize];
                        await Stream.ReadAsyncExact(pl, 0, pl.Length);

                        bool checksumOk = false;

                        //verify hash
                        using (var sha = SHA256.Create())
                        {
                            var h1 = sha.ComputeHash(pl);
                            var h2 = sha.ComputeHash(h1);

                            checksumOk = h2[0] == h.Checksum[0] && h2[1] == h.Checksum[1] && h2[2] == h.Checksum[2] && h2[3] == h.Checksum[3];
                        }

                        if (checksumOk)
                        {
                            switch (h.Command)
                            {
                            case "addr\0\0\0\0\0\0\0\0":
                            {
                                if (OnAddr != null)
                                {
                                    var a = new Addr();
                                    a.ReadFromPayload(pl, 0);

                                    await OnAddr?.Invoke(this, a);
                                }
                                break;
                            }

                            case "alert\0\0\0\0\0\0\0":
                            {
                                if (OnAlert != null)
                                {
                                    var a = new Alert();
                                    a.ReadFromPayload(pl, 0);

                                    await OnAlert?.Invoke(this, a);
                                }
                                break;
                            }

                            case "feefilter\0\0\0":
                            {
                                if (OnFeeFilter != null)
                                {
                                    var f = new FeeFilter();
                                    f.ReadFromPayload(pl, 0);

                                    await OnFeeFilter?.Invoke(this, f);
                                }
                                break;
                            }

                            case "filteradd\0\0\0":
                            {
                                if (OnFilterAdd != null)
                                {
                                    var f = new FilterAdd();
                                    f.ReadFromPayload(pl, 0);

                                    await OnFilterAdd?.Invoke(this, f);
                                }
                                break;
                            }

                            case "filterclear\0":
                            {
                                if (OnFilterClear != null)
                                {
                                    var f = new FilterClear();
                                    f.ReadFromPayload(pl, 0);

                                    await OnFilterClear?.Invoke(this, f);
                                }
                                break;
                            }

                            case "filterload\0\0":
                            {
                                if (OnFilterLoad != null)
                                {
                                    var f = new FilterLoad();
                                    f.ReadFromPayload(pl, 0);

                                    await OnFilterLoad?.Invoke(this, f);
                                }
                                break;
                            }

                            case "getaddr\0\0\0\0\0":
                            {
                                if (OnGetAddr != null)
                                {
                                    var ga = new GetAddr();
                                    ga.ReadFromPayload(pl, 0);

                                    await OnGetAddr?.Invoke(this, ga);
                                }
                                break;
                            }

                            case "getblocks\0\0\0":
                            {
                                if (OnGetBlocks != null)
                                {
                                    var gb = new GetBlocks();
                                    gb.ReadFromPayload(pl, 0);

                                    await OnGetBlocks?.Invoke(this, gb);
                                }
                                break;
                            }

                            case "getdata\0\0\0\0\0":
                            {
                                if (OnGetData != null)
                                {
                                    var gd = new GetData();
                                    gd.ReadFromPayload(pl, 0);

                                    await OnGetData?.Invoke(this, gd);
                                }
                                break;
                            }

                            case "getheaders\0\0":
                            {
                                if (OnGetHeaders != null)
                                {
                                    var gh = new GetHeaders();
                                    gh.ReadFromPayload(pl, 0);

                                    await OnGetHeaders?.Invoke(this, gh);
                                }
                                break;
                            }

                            case "headers\0\0\0\0\0":
                            {
                                if (OnHeaders != null)
                                {
                                    var hd = new Headers();
                                    hd.ReadFromPayload(pl, 0);

                                    await OnHeaders?.Invoke(this, hd);
                                }
                                break;
                            }

                            case "inv\0\0\0\0\0\0\0\0\0":
                            {
                                if (OnInv != null)
                                {
                                    var iv = new Inv();
                                    iv.ReadFromPayload(pl, 0);

                                    await OnInv?.Invoke(this, iv);
                                }
                                break;
                            }

                            case "mempool\0\0\0\0\0":
                            {
                                if (OnMemPool != null)
                                {
                                    var mp = new MemPool();
                                    mp.ReadFromPayload(pl, 0);

                                    await OnMemPool?.Invoke(this, mp);
                                }
                                break;
                            }

                            case "notfound\0\0\0\0":
                            {
                                if (OnNotFound != null)
                                {
                                    var nf = new NotFound();
                                    nf.ReadFromPayload(pl, 0);

                                    await OnNotFound?.Invoke(this, nf);
                                }
                                break;
                            }

                            case "ping\0\0\0\0\0\0\0\0":
                            {
                                if (OnPing != null)
                                {
                                    var ping = new Ping();
                                    ping.ReadFromPayload(pl, 0);

                                    await OnPing?.Invoke(this, ping);
                                }
                                break;
                            }

                            case "pong\0\0\0\0\0\0\0\0":
                            {
                                if (OnPong != null)
                                {
                                    var pong = new Pong();
                                    pong.ReadFromPayload(pl, 0);

                                    await OnPong?.Invoke(this, pong);
                                }
                                break;
                            }

                            case "reject\0\0\0\0\0\0":
                            {
                                if (OnReject != null)
                                {
                                    var re = new Reject();
                                    re.ReadFromPayload(pl, 0);

                                    await OnReject?.Invoke(this, re);
                                }
                                break;
                            }

                            case "sendheaders\0":
                            {
                                if (OnSendHeaders != null)
                                {
                                    var sh = new SendHeaders();
                                    sh.ReadFromPayload(pl, 0);

                                    await OnSendHeaders?.Invoke(this, sh);
                                }
                                break;
                            }

                            case "verack\0\0\0\0\0\0":
                            {
                                if (OnVerAck != null)
                                {
                                    var va = new VerAck();
                                    va.ReadFromPayload(pl, 0);

                                    await OnVerAck.Invoke(this, va);
                                }
                                break;
                            }

                            case "version\0\0\0\0\0":
                            {
                                if (OnVersion != null)
                                {
                                    var v = new bitcoin_lib.P2P.Version("");
                                    v.ReadFromPayload(pl, 0);

                                    await OnVersion?.Invoke(this, v);
                                }
                                break;
                            }

                            default:
                            {
                                //Console.WriteLine($"Got cmd: {h.Command}");
                                break;
                            }
                            }
                        }
                        else
                        {
                            Closing = true;
                        }
                    }
                }
                catch (Exception ex)
                {
                    Closing = true;
                }
            }
        }
示例#8
0
 private void DrawPanelViewModel_OnGetData(object sender, RectModel e)
 {
     MyCanvas.Children.Clear();
     DrawRects(e);
     OnGetData?.Invoke(this, this.MyCanvas);
 }