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Added Request/Response mechanism into mtapi. Added structure MtOrder. Added functions GetOrder, GetOrders.

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This commit is contained in:
DW
2016-04-22 19:14:47 +03:00
parent 6f8a8728ed
commit 3bec28f817
22 changed files with 2359 additions and 49 deletions
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MtApi/MtApi.csproj
+20
View File
@@ -43,9 +43,14 @@
</AssemblyOriginatorKeyFile>
</PropertyGroup>
<ItemGroup>
<Reference Include="Newtonsoft.Json, Version=8.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
<HintPath>..\packages\Newtonsoft.Json.8.0.3\lib\net45\Newtonsoft.Json.dll</HintPath>
<Private>True</Private>
</Reference>
<Reference Include="System" />
<Reference Include="System.Core" />
<Reference Include="System.Drawing" />
<Reference Include="System.ServiceModel" />
<Reference Include="System.Xml.Linq" />
<Reference Include="System.Data.DataSetExtensions" />
<Reference Include="Microsoft.CSharp" />
@@ -56,8 +61,11 @@
<Compile Include="ChartPeriod.cs" />
<Compile Include="ExtensionMethods.cs" />
<Compile Include="MtConnectionEventArgs.cs" />
<Compile Include="MtConnectionException.cs" />
<Compile Include="MtConnectionState.cs" />
<Compile Include="MtCommandType.cs" />
<Compile Include="MtExecutionException.cs" />
<Compile Include="MtOrder.cs" />
<Compile Include="MtQuote.cs" />
<Compile Include="MtQuoteEventArgs.cs" />
<Compile Include="MtTypes.cs" />
@@ -67,6 +75,14 @@
<Compile Include="MtApiColorConverter.cs" />
<Compile Include="OrderSelectMode.cs" />
<Compile Include="OrderSelectSource.cs" />
<Compile Include="Requests\GetOrderRequest.cs" />
<Compile Include="Requests\GetOrdersRequest.cs" />
<Compile Include="Requests\RequestBase.cs" />
<Compile Include="Requests\RequestContainer.cs" />
<Compile Include="Requests\RequestType.cs" />
<Compile Include="Responses\GetOrderResponse.cs" />
<Compile Include="Responses\GetOrdersResponse.cs" />
<Compile Include="Responses\ResponseBase.cs" />
<Compile Include="SeriesIdentifier.cs" />
<Compile Include="TradeOperation.cs" />
<Compile Include="MtApiTimeConverter.cs" />
@@ -78,6 +94,10 @@
<Name>MTApiService</Name>
</ProjectReference>
</ItemGroup>
<ItemGroup />
<ItemGroup>
<None Include="packages.config" />
</ItemGroup>
<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
<PropertyGroup>
<PostBuildEvent>
MtApi/MtApiClient.cs
+48
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@@ -6,6 +6,10 @@ using MTApiService;
using System.Drawing;
using System.Collections;
using System.Net;
using System.ServiceModel;
using MtApi.Requests;
using MtApi.Responses;
using Newtonsoft.Json;
namespace MtApi
{
@@ -345,6 +349,18 @@ namespace MtApi
{
return sendCommand<bool>(MtCommandType.OrderCloseAll, null);
}
public MtOrder GetOrder(int index, OrderSelectMode select, OrderSelectSource pool)
{
var response = SendRequest<GetOrderResponse>(new GetOrderRequest { Index = index, Select = (int) select, Pool = (int) pool});
return response != null ? response.Order : null;
}
public IEnumerable<MtOrder> GetOrders(OrderSelectSource pool)
{
var response = SendRequest<GetOrdersResponse>(new GetOrdersRequest { Pool = (int)pool });
return response != null ? response.Orders : null;
}
#endregion
#region Check Status
@@ -1310,6 +1326,38 @@ namespace MtApi
return result;
}
private T SendRequest<T>(RequestBase request) where T : ResponseBase, new()
{
if (request == null)
return default(T);
var serializer = RequestContainer.CreateNew(request).Serialize();
var commandParameters = new ArrayList { serializer };
MtResponseString res;
try
{
res = (MtResponseString)mClient.SendCommand((int)MtCommandType.MtRequest, commandParameters);
}
catch (CommunicationException ex)
{
throw new MtConnectionException(ex.Message, ex);
}
if (res == null)
{
throw new MtExecutionException(-1, "Response from MetaTrader is null");
}
var response = JsonConvert.DeserializeObject<T>(res.Value);
if (response.ErrorCode != 0)
{
throw new MtExecutionException(response.ErrorCode, response.ErrorMessage);
}
return response;
}
private void mClient_QuoteUpdated(MTApiService.MtQuote quote)
{
if (quote != null)
MtApi/MtCommandType.cs
+4 -1
View File
@@ -188,6 +188,9 @@ namespace MtApi
RefreshRates = 150,
//
TerminalInfoString = 153,
SymbolInfoString = 154
SymbolInfoString = 154,
//Requests
MtRequest = 155
}
}
MtApi/MtConnectionException.cs
+23
View File
@@ -0,0 +1,23 @@
using System;
namespace MtApi
{
public class MtConnectionException: Exception
{
public MtConnectionException()
: this(null, null)
{
}
public MtConnectionException(string message)
: this(message, null)
{
}
public MtConnectionException(string message, Exception exception)
: base(message, exception)
{
}
}
}
MtApi/MtExecutionException.cs
+15
View File
@@ -0,0 +1,15 @@
using System;
namespace MtApi
{
public class MtExecutionException: Exception
{
public MtExecutionException(int errorCode, string message)
:base(message)
{
ErrorCode = errorCode;
}
public int ErrorCode { get; private set; }
}
}
MtApi/MtOrder.cs
+30
View File
@@ -0,0 +1,30 @@
using System;
namespace MtApi
{
public class MtOrder
{
public int Ticket { get; set; }
public string Symbol { get; set; }
public TradeOperation Operation { get; set; }
public double OpenPrice { get; set; }
public double ClosePrice { get; set; }
public double Lots { get; set; }
public int MtOpenTime { get; set; }
public int MtCloseTime { get; set; }
public double Profit { get; set; }
public string Comment { get; set; }
public double Commission { get; set; }
public int MagicNumber { get; set; }
public DateTime OpenTime
{
get { return MtApiTimeConverter.ConvertFromMtTime(MtOpenTime); }
}
public DateTime CloseTime
{
get { return MtApiTimeConverter.ConvertFromMtTime(MtCloseTime); }
}
}
}
MtApi/Requests/GetOrderRequest.cs
+9
View File
@@ -0,0 +1,9 @@
namespace MtApi.Requests
{
public class GetOrderRequest: RequestBase
{
public int Index { get; set; }
public int Select { get; set; }
public int Pool { get; set; }
}
}
MtApi/Requests/GetOrdersRequest.cs
+7
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@@ -0,0 +1,7 @@
namespace MtApi.Requests
{
public class GetOrdersRequest: RequestBase
{
public int Pool { get; set; }
}
}
MtApi/Requests/RequestBase.cs
+6
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@@ -0,0 +1,6 @@
namespace MtApi.Requests
{
public abstract class RequestBase
{
}
}
MtApi/Requests/RequestContainer.cs
+33
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@@ -0,0 +1,33 @@
using System;
using System.Collections.Generic;
using Newtonsoft.Json;
namespace MtApi.Requests
{
public class RequestContainer
{
private static readonly Dictionary<Type, RequestType> RequestTypes = new Dictionary<Type, RequestType>();
static RequestContainer()
{
RequestTypes[typeof (GetOrderRequest)] = RequestType.GetOrder;
RequestTypes[typeof(GetOrdersRequest)] = RequestType.GetOrders;
}
public RequestType RequestType { get; set; }
public RequestBase Request { get; set; }
public virtual string Serialize()
{
return JsonConvert.SerializeObject(this);
}
public static RequestContainer CreateNew<T>(T request) where T: RequestBase
{
if (RequestTypes.ContainsKey(request.GetType()) == false)
throw new ArgumentException("Unknown request type");
return new RequestContainer { RequestType = RequestTypes[request.GetType()], Request = request };
}
}
}
MtApi/Requests/RequestType.cs
+9
View File
@@ -0,0 +1,9 @@
namespace MtApi.Requests
{
public enum RequestType
{
Unknown = 0,
GetOrder = 1,
GetOrders = 2
}
}
MtApi/Responses/GetOrderResponse.cs
+7
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@@ -0,0 +1,7 @@
namespace MtApi.Responses
{
public class GetOrderResponse: ResponseBase
{
public MtOrder Order { get; set; }
}
}
MtApi/Responses/GetOrdersResponse.cs
+9
View File
@@ -0,0 +1,9 @@
using System.Collections.Generic;
namespace MtApi.Responses
{
public class GetOrdersResponse: ResponseBase
{
public List<MtOrder> Orders { get; set; }
}
}
MtApi/Responses/ResponseBase.cs
+8
View File
@@ -0,0 +1,8 @@
namespace MtApi.Responses
{
public class ResponseBase
{
public int ErrorCode { get; set; }
public string ErrorMessage { get; set; }
}
}
MtApi/packages.config
+4
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@@ -0,0 +1,4 @@
<?xml version="1.0" encoding="utf-8"?>
<packages>
<package id="Newtonsoft.Json" version="8.0.3" targetFramework="net45" />
</packages>
TestApiClientUI/Form1.Designer.cs
Generated
+118 -24
View File
@@ -28,6 +28,7 @@
/// </summary>
private void InitializeComponent()
{
this.components = new System.ComponentModel.Container();
this.textBoxServerName = new System.Windows.Forms.TextBox();
this.textBoxPort = new System.Windows.Forms.TextBox();
this.buttonConnect = new System.Windows.Forms.Button();
@@ -46,6 +47,10 @@
this.listBoxEventLog = new System.Windows.Forms.ListBox();
this.tabControl1 = new System.Windows.Forms.TabControl();
this.tabPage2 = new System.Windows.Forms.TabPage();
this.button17 = new System.Windows.Forms.Button();
this.comboBox2 = new System.Windows.Forms.ComboBox();
this.comboBox1 = new System.Windows.Forms.ComboBox();
this.button16 = new System.Windows.Forms.Button();
this.label21 = new System.Windows.Forms.Label();
this.textBoxIndexTicket = new System.Windows.Forms.TextBox();
this.comboBoxSelectedCommand = new System.Windows.Forms.ComboBox();
@@ -79,6 +84,7 @@
this.label9 = new System.Windows.Forms.Label();
this.listBoxSendedOrders = new System.Windows.Forms.ListBox();
this.tabPage1 = new System.Windows.Forms.TabPage();
this.buttonRefreshRates = new System.Windows.Forms.Button();
this.label22 = new System.Windows.Forms.Label();
this.textBoxErrorCode = new System.Windows.Forms.TextBox();
this.button3 = new System.Windows.Forms.Button();
@@ -111,9 +117,10 @@
this.button6 = new System.Windows.Forms.Button();
this.listBoxProceHistory = new System.Windows.Forms.ListBox();
this.tabPage6 = new System.Windows.Forms.TabPage();
this.button15 = new System.Windows.Forms.Button();
this.button14 = new System.Windows.Forms.Button();
this.button13 = new System.Windows.Forms.Button();
this.buttonRefreshRates = new System.Windows.Forms.Button();
this.contextMenuStrip1 = new System.Windows.Forms.ContextMenuStrip(this.components);
this.groupBox1.SuspendLayout();
this.statusStrip1.SuspendLayout();
this.groupBox2.SuspendLayout();
@@ -202,7 +209,7 @@
this.toolStripStatusConnection});
this.statusStrip1.Location = new System.Drawing.Point(0, 637);
this.statusStrip1.Name = "statusStrip1";
this.statusStrip1.Size = new System.Drawing.Size(638, 22);
this.statusStrip1.Size = new System.Drawing.Size(713, 22);
this.statusStrip1.TabIndex = 11;
this.statusStrip1.Text = "statusStrip1";
//
@@ -225,6 +232,9 @@
//
// listViewQuotes
//
this.listViewQuotes.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
| System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.listViewQuotes.Columns.AddRange(new System.Windows.Forms.ColumnHeader[] {
this.colSymbol,
this.colBid,
@@ -256,14 +266,20 @@
//
// listBoxEventLog
//
this.listBoxEventLog.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
| System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.listBoxEventLog.ContextMenuStrip = this.contextMenuStrip1;
this.listBoxEventLog.FormattingEnabled = true;
this.listBoxEventLog.Location = new System.Drawing.Point(12, 543);
this.listBoxEventLog.Name = "listBoxEventLog";
this.listBoxEventLog.Size = new System.Drawing.Size(611, 82);
this.listBoxEventLog.Size = new System.Drawing.Size(690, 82);
this.listBoxEventLog.TabIndex = 14;
//
// tabControl1
//
this.tabControl1.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.tabControl1.Controls.Add(this.tabPage2);
this.tabControl1.Controls.Add(this.tabPage1);
this.tabControl1.Controls.Add(this.tabPage3);
@@ -273,11 +289,15 @@
this.tabControl1.Location = new System.Drawing.Point(12, 147);
this.tabControl1.Name = "tabControl1";
this.tabControl1.SelectedIndex = 0;
this.tabControl1.Size = new System.Drawing.Size(615, 388);
this.tabControl1.Size = new System.Drawing.Size(690, 388);
this.tabControl1.TabIndex = 15;
//
// tabPage2
//
this.tabPage2.Controls.Add(this.button17);
this.tabPage2.Controls.Add(this.comboBox2);
this.tabPage2.Controls.Add(this.comboBox1);
this.tabPage2.Controls.Add(this.button16);
this.tabPage2.Controls.Add(this.label21);
this.tabPage2.Controls.Add(this.textBoxIndexTicket);
this.tabPage2.Controls.Add(this.comboBoxSelectedCommand);
@@ -290,26 +310,71 @@
this.tabPage2.Location = new System.Drawing.Point(4, 22);
this.tabPage2.Name = "tabPage2";
this.tabPage2.Padding = new System.Windows.Forms.Padding(3);
this.tabPage2.Size = new System.Drawing.Size(607, 362);
this.tabPage2.Size = new System.Drawing.Size(682, 362);
this.tabPage2.TabIndex = 1;
this.tabPage2.Text = "Trade Operations";
this.tabPage2.UseVisualStyleBackColor = true;
//
// button17
//
this.button17.Location = new System.Drawing.Point(601, 290);
this.button17.Name = "button17";
this.button17.Size = new System.Drawing.Size(75, 23);
this.button17.TabIndex = 12;
this.button17.Text = "GetOrders";
this.button17.UseVisualStyleBackColor = true;
this.button17.Click += new System.EventHandler(this.button17_Click);
//
// comboBox2
//
this.comboBox2.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
this.comboBox2.FormattingEnabled = true;
this.comboBox2.Items.AddRange(new object[] {
"MODE_TRADES",
"MODE_HISTORY"});
this.comboBox2.Location = new System.Drawing.Point(481, 261);
this.comboBox2.Name = "comboBox2";
this.comboBox2.Size = new System.Drawing.Size(114, 21);
this.comboBox2.TabIndex = 11;
//
// comboBox1
//
this.comboBox1.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
this.comboBox1.FormattingEnabled = true;
this.comboBox1.Items.AddRange(new object[] {
"SELECT_BY_POS",
"SELECT_BY_TICKET"});
this.comboBox1.Location = new System.Drawing.Point(356, 261);
this.comboBox1.Name = "comboBox1";
this.comboBox1.Size = new System.Drawing.Size(119, 21);
this.comboBox1.TabIndex = 10;
//
// button16
//
this.button16.Location = new System.Drawing.Point(601, 261);
this.button16.Name = "button16";
this.button16.Size = new System.Drawing.Size(75, 23);
this.button16.TabIndex = 9;
this.button16.Text = "GetOrder";
this.button16.UseVisualStyleBackColor = true;
this.button16.Click += new System.EventHandler(this.button16_Click);
//
// label21
//
this.label21.AutoSize = true;
this.label21.Location = new System.Drawing.Point(213, 264);
this.label21.Name = "label21";
this.label21.Size = new System.Drawing.Size(36, 13);
this.label21.Size = new System.Drawing.Size(71, 13);
this.label21.TabIndex = 8;
this.label21.Text = "Index:";
this.label21.Text = "Index/Ticket:";
//
// textBoxIndexTicket
//
this.textBoxIndexTicket.Location = new System.Drawing.Point(255, 261);
this.textBoxIndexTicket.Location = new System.Drawing.Point(290, 261);
this.textBoxIndexTicket.Name = "textBoxIndexTicket";
this.textBoxIndexTicket.Size = new System.Drawing.Size(60, 20);
this.textBoxIndexTicket.TabIndex = 7;
this.textBoxIndexTicket.Text = "0";
//
// comboBoxSelectedCommand
//
@@ -364,10 +429,12 @@
//
// listBoxClosedOrders
//
this.listBoxClosedOrders.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.listBoxClosedOrders.FormattingEnabled = true;
this.listBoxClosedOrders.Location = new System.Drawing.Point(213, 151);
this.listBoxClosedOrders.Name = "listBoxClosedOrders";
this.listBoxClosedOrders.Size = new System.Drawing.Size(388, 108);
this.listBoxClosedOrders.Size = new System.Drawing.Size(463, 108);
this.listBoxClosedOrders.TabIndex = 5;
//
// button2
@@ -613,11 +680,14 @@
//
// listBoxSendedOrders
//
this.listBoxSendedOrders.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
| System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.listBoxSendedOrders.FormattingEnabled = true;
this.listBoxSendedOrders.Location = new System.Drawing.Point(213, 23);
this.listBoxSendedOrders.Name = "listBoxSendedOrders";
this.listBoxSendedOrders.SelectionMode = System.Windows.Forms.SelectionMode.MultiSimple;
this.listBoxSendedOrders.Size = new System.Drawing.Size(388, 108);
this.listBoxSendedOrders.Size = new System.Drawing.Size(463, 108);
this.listBoxSendedOrders.TabIndex = 1;
//
// tabPage1
@@ -630,11 +700,21 @@
this.tabPage1.Location = new System.Drawing.Point(4, 22);
this.tabPage1.Name = "tabPage1";
this.tabPage1.Padding = new System.Windows.Forms.Padding(3);
this.tabPage1.Size = new System.Drawing.Size(607, 362);
this.tabPage1.Size = new System.Drawing.Size(682, 362);
this.tabPage1.TabIndex = 2;
this.tabPage1.Text = "Check Status";
this.tabPage1.UseVisualStyleBackColor = true;
//
// buttonRefreshRates
//
this.buttonRefreshRates.Location = new System.Drawing.Point(10, 172);
this.buttonRefreshRates.Name = "buttonRefreshRates";
this.buttonRefreshRates.Size = new System.Drawing.Size(128, 23);
this.buttonRefreshRates.TabIndex = 4;
this.buttonRefreshRates.Text = "RefreshRates";
this.buttonRefreshRates.UseVisualStyleBackColor = true;
this.buttonRefreshRates.Click += new System.EventHandler(this.buttonRefreshRates_Click);
//
// label22
//
this.label22.AutoSize = true;
@@ -698,7 +778,7 @@
this.tabPage3.Location = new System.Drawing.Point(4, 22);
this.tabPage3.Name = "tabPage3";
this.tabPage3.Padding = new System.Windows.Forms.Padding(3);
this.tabPage3.Size = new System.Drawing.Size(607, 362);
this.tabPage3.Size = new System.Drawing.Size(682, 362);
this.tabPage3.TabIndex = 3;
this.tabPage3.Text = "Account Information";
this.tabPage3.UseVisualStyleBackColor = true;
@@ -809,7 +889,7 @@
this.tabPage4.Location = new System.Drawing.Point(4, 22);
this.tabPage4.Name = "tabPage4";
this.tabPage4.Padding = new System.Windows.Forms.Padding(3);
this.tabPage4.Size = new System.Drawing.Size(607, 362);
this.tabPage4.Size = new System.Drawing.Size(682, 362);
this.tabPage4.TabIndex = 4;
this.tabPage4.Text = "MarketInfo";
this.tabPage4.UseVisualStyleBackColor = true;
@@ -891,7 +971,7 @@
this.tabPage5.Location = new System.Drawing.Point(4, 22);
this.tabPage5.Name = "tabPage5";
this.tabPage5.Padding = new System.Windows.Forms.Padding(3);
this.tabPage5.Size = new System.Drawing.Size(607, 362);
this.tabPage5.Size = new System.Drawing.Size(682, 362);
this.tabPage5.TabIndex = 5;
this.tabPage5.Text = "Timeframes";
this.tabPage5.UseVisualStyleBackColor = true;
@@ -1009,16 +1089,27 @@
//
// tabPage6
//
this.tabPage6.Controls.Add(this.button15);
this.tabPage6.Controls.Add(this.button14);
this.tabPage6.Controls.Add(this.button13);
this.tabPage6.Location = new System.Drawing.Point(4, 22);
this.tabPage6.Name = "tabPage6";
this.tabPage6.Padding = new System.Windows.Forms.Padding(3);
this.tabPage6.Size = new System.Drawing.Size(607, 362);
this.tabPage6.Size = new System.Drawing.Size(682, 362);
this.tabPage6.TabIndex = 6;
this.tabPage6.Text = "Client Terminal";
this.tabPage6.UseVisualStyleBackColor = true;
//
// button15
//
this.button15.Location = new System.Drawing.Point(223, 184);
this.button15.Name = "button15";
this.button15.Size = new System.Drawing.Size(75, 23);
this.button15.TabIndex = 2;
this.button15.Text = "button15";
this.button15.UseVisualStyleBackColor = true;
this.button15.Click += new System.EventHandler(this.button15_Click);
//
// button14
//
this.button14.Location = new System.Drawing.Point(13, 45);
@@ -1039,21 +1130,18 @@
this.button13.UseVisualStyleBackColor = true;
this.button13.Click += new System.EventHandler(this.button13_Click);
//
// buttonRefreshRates
// contextMenuStrip1
//
this.buttonRefreshRates.Location = new System.Drawing.Point(10, 172);
this.buttonRefreshRates.Name = "buttonRefreshRates";
this.buttonRefreshRates.Size = new System.Drawing.Size(128, 23);
this.buttonRefreshRates.TabIndex = 4;
this.buttonRefreshRates.Text = "RefreshRates";
this.buttonRefreshRates.UseVisualStyleBackColor = true;
this.buttonRefreshRates.Click += new System.EventHandler(this.buttonRefreshRates_Click);
this.contextMenuStrip1.Name = "contextMenuStrip1";
this.contextMenuStrip1.Size = new System.Drawing.Size(61, 4);
this.contextMenuStrip1.Text = "Clear";
//
// Form1
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(638, 659);
this.ClientSize = new System.Drawing.Size(713, 659);
this.ContextMenuStrip = this.contextMenuStrip1;
this.Controls.Add(this.listBoxEventLog);
this.Controls.Add(this.tabControl1);
this.Controls.Add(this.groupBox2);
@@ -1175,6 +1263,12 @@
private System.Windows.Forms.Button button13;
private System.Windows.Forms.Button button14;
private System.Windows.Forms.Button buttonRefreshRates;
private System.Windows.Forms.Button button15;
private System.Windows.Forms.Button button16;
private System.Windows.Forms.ComboBox comboBox1;
private System.Windows.Forms.ComboBox comboBox2;
private System.Windows.Forms.Button button17;
private System.Windows.Forms.ContextMenuStrip contextMenuStrip1;
}
}
TestApiClientUI/Form1.cs
+129 -10
View File
@@ -11,6 +11,7 @@ using System.IO;
using MtApi;
using System.Net;
using System.Diagnostics;
using System.Threading.Tasks;
namespace TestApiClientUI
{
@@ -32,6 +33,9 @@ namespace TestApiClientUI
apiClient.ConnectionStateChanged += apiClient_ConnectionStateChanged;
initOrderCommandsGroup();
comboBox1.SelectedIndex = 0;
comboBox2.SelectedIndex = 0;
}
private void initOrderCommandsGroup()
@@ -62,14 +66,14 @@ namespace TestApiClientUI
GroupOrderCommands.Add(new PerformCommandHandler(orderType));
}
private void RunOnUIThread(Action action)
private void RunOnUiThread(Action action)
{
this.BeginInvoke(action);
}
private void apiClient_ConnectionStateChanged(object sender, MtConnectionEventArgs e)
{
RunOnUIThread(() =>
RunOnUiThread(() =>
{
toolStripStatusConnection.Text = e.Status.ToString();
});
@@ -77,11 +81,11 @@ namespace TestApiClientUI
switch (e.Status)
{
case MtConnectionState.Connected:
RunOnUIThread(onConnected);
RunOnUiThread(onConnected);
break;
case MtConnectionState.Disconnected:
case MtConnectionState.Failed:
RunOnUIThread(onDisconnected);
RunOnUiThread(onDisconnected);
break;
}
}
@@ -90,7 +94,7 @@ namespace TestApiClientUI
{
string instrument = e.Quote.Instrument;
RunOnUIThread(() =>
RunOnUiThread(() =>
{
removeQuote(e.Quote);
});
@@ -98,7 +102,7 @@ namespace TestApiClientUI
private void apiClient_QuoteAdded(object sender, MtQuoteEventArgs e)
{
RunOnUIThread(() =>
RunOnUiThread(() =>
{
addNewQuote(e.Quote);
});
@@ -217,7 +221,7 @@ namespace TestApiClientUI
{
int orderId = apiClient.OrderSend(symbol, command, volume, price, slippage, stoploss, takeprofit, comment, magic, expiration, arrow_color);
RunOnUIThread(() =>
RunOnUiThread(() =>
{
if (orderId >= 0)
{
@@ -542,9 +546,12 @@ namespace TestApiClientUI
private void addToLog(string msg)
{
listBoxEventLog.Items.Add(msg);
listBoxEventLog.SetSelected(listBoxEventLog.Items.Count - 1, true);
listBoxEventLog.SetSelected(listBoxEventLog.Items.Count - 1, false);
RunOnUiThread(() =>
{
listBoxEventLog.Items.Add(msg);
listBoxEventLog.SetSelected(listBoxEventLog.Items.Count - 1, true);
listBoxEventLog.SetSelected(listBoxEventLog.Items.Count - 1, false);
});
}
private void button3_Click(object sender, EventArgs e)
@@ -857,5 +864,117 @@ namespace TestApiClientUI
var retVal = apiClient.RefreshRates();
addToLog(string.Format("RefreshRates result: {0}", retVal));
}
private void button15_Click(object sender, EventArgs e)
{
for (var i = 0; i < 4; i++)
{
var ticket = i;
Task.Factory.StartNew(() =>
{
MtOrder order = null;
try
{
order = apiClient.GetOrder(ticket, OrderSelectMode.SELECT_BY_POS, OrderSelectSource.MODE_TRADES);
}
catch (MtConnectionException ex)
{
addToLog("MtExecutionException: " + ex.Message);
}
catch (MtExecutionException ex)
{
addToLog("MtExecutionException: " + ex.Message);
}
string result;
if (order != null)
{
result =
string.Format(
"Order: Ticket = {0}, Symbol = {1}, Operation = {2}, OpenPrice = {3}, ClosePrice = {4}, Lots = {5}, Profit = {6}, Comment = {7}, Commission = {8}, MagicNumber = {9}, OpenTime = {10}, CloseTime = {11}",
order.Ticket, order.Symbol, order.Operation, order.OpenPrice, order.ClosePrice, order.Lots, order.Profit, order.Comment, order.Commission, order.MagicNumber, order.OpenTime, order.CloseTime);
}
else
{
result = "Order is null";
}
addToLog(result);
});
}
}
private void button16_Click(object sender, EventArgs e)
{
var ticket = int.Parse(textBoxIndexTicket.Text);
var selectMode = (OrderSelectMode) comboBox1.SelectedIndex;
var selectSource = (OrderSelectSource) comboBox2.SelectedIndex;
MtOrder order = null;
try
{
order = apiClient.GetOrder(ticket, selectMode, selectSource);
}
catch (MtConnectionException ex)
{
addToLog("MtExecutionException: " + ex.Message);
return;
}
catch (MtExecutionException ex)
{
addToLog("MtExecutionException: " + ex.Message + "; ErrorCode = " + ex.ErrorCode);
return;
}
if (order == null)
{
addToLog("Order is null");
return;
}
var result =
string.Format(
"Order: Ticket = {0}, Symbol = {1}, Operation = {2}, OpenPrice = {3}, ClosePrice = {4}, Lots = {5}, Profit = {6}, Comment = {7}, Commission = {8}, MagicNumber = {9}, OpenTime = {10}, CloseTime = {11}",
order.Ticket, order.Symbol, order.Operation, order.OpenPrice, order.ClosePrice, order.Lots, order.Profit, order.Comment, order.Commission, order.MagicNumber, order.OpenTime, order.CloseTime);
addToLog(result);
}
private void button17_Click(object sender, EventArgs e)
{
var selectSource = (OrderSelectSource)comboBox2.SelectedIndex;
IEnumerable<MtOrder> orders = null;
try
{
orders = apiClient.GetOrders(selectSource);
}
catch (MtConnectionException ex)
{
addToLog("MtExecutionException: " + ex.Message);
return;
}
catch (MtExecutionException ex)
{
addToLog("MtExecutionException: " + ex.Message + "; ErrorCode = " + ex.ErrorCode);
return;
}
if (orders == null)
{
addToLog("Orders is null");
return;
}
foreach (var order in orders)
{
var result =
string.Format(
"Order: Ticket = {0}, Symbol = {1}, Operation = {2}, OpenPrice = {3}, ClosePrice = {4}, Lots = {5}, Profit = {6}, Comment = {7}, Commission = {8}, MagicNumber = {9}, OpenTime = {10}, CloseTime = {11}",
order.Ticket, order.Symbol, order.Operation, order.OpenPrice, order.ClosePrice, order.Lots, order.Profit, order.Comment, order.Commission, order.MagicNumber, order.OpenTime, order.CloseTime);
addToLog(result);
}
}
}
}
TestApiClientUI/Form1.resx
+3
View File
@@ -120,4 +120,7 @@
<metadata name="statusStrip1.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
<value>17, 17</value>
</metadata>
<metadata name="contextMenuStrip1.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
<value>133, 17</value>
</metadata>
</root>
mq4/MtApi.ex4
BIN
View File
Binary file not shown.
mq4/MtApi.mq4
+192 -14
View File
@@ -3,6 +3,7 @@
#include <WinUser32.mqh>
#include <stdlib.mqh>
#include <json.mqh>
#import "MTConnector.dll"
bool initExpert(int expertHandle, int port, string symbol, double bid, double ask, string& err);
@@ -40,6 +41,7 @@ string subjectValue;
string some_textValue;
string nameValue;
string prefix_nameValue;
string requestValue;
int barsCount;
int priceCount;
@@ -126,17 +128,18 @@ double myAsk;
int preinit()
{
message = "111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111" + "";
symbolValue = "222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222" + "";
commentValue = "333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333" + "";
msgValue = "444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444" + "";
captionValue = "555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555" + "";
filenameValue = "666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666" + "";
ftp_pathValue = "777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777" + "";
subjectValue = "888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888" + "";
some_textValue = "999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999" + "";
nameValue = "000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000" + "";
prefix_nameValue = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" + "";
StringInit(message,200,0);
StringInit(symbolValue,200,0);
StringInit(commentValue,200,0);
StringInit(msgValue,200,0);
StringInit(captionValue,200,0);
StringInit(filenameValue,200,0);
StringInit(ftp_pathValue,200,0);
StringInit(subjectValue,200,0);
StringInit(some_textValue,200,0);
StringInit(nameValue,200,0);
StringInit(prefix_nameValue,200,0);
StringInit(requestValue, 500, "\0");
return (0);
}
@@ -232,7 +235,12 @@ int executeCommand()
return (0);
}
int commandType = pCommandType;
int commandType = pCommandType;
if (commandType > 0)
{
Print("executeCommand: commnad type = ", commandType);
}
switch (commandType)
{
@@ -240,6 +248,24 @@ int executeCommand()
//NoCommand
break;
case 155: //SignalServiceCommand
{
if (!getStringValue(ExpertHandle, 0, requestValue))
{
PrintParamError("Signal");
}
string response = "";
if (requestValue != "")
{
Print("executeCommand: incoming signal = ", requestValue);
response = OnRequest(requestValue);
}
sendStringResponse(ExpertHandle, response);
}
break;
case 1: // OrderSend
if (!getStringValue(ExpertHandle, 0, symbolValue))
{
@@ -3502,7 +3528,7 @@ int executeCommand()
Print("Unknown command type = ", commandType);
sendVoidResponse(ExpertHandle);
break;
}
}
return (commandType);
}
@@ -3556,4 +3582,156 @@ bool OrderCloseAll()
}
return (true);
}
}
string CreateErrorResponse(int code, string message)
{
JSONObject *joResponse = new JSONObject();
joResponse.put("ErrorCode", new JSONNumber(code));
joResponse.put("ErrorMessage", new JSONString(message));
string result = joResponse.toString();
delete joResponse;
return result;
}
string CreateSuccessResponse(string responseName, JSONValue* responseBody)
{
JSONObject *joResponse = new JSONObject();
joResponse.put("ErrorCode", new JSONNumber(ERR_NO_ERROR));
if (responseBody != NULL)
{
joResponse.put(responseName, responseBody);
}
string result = joResponse.toString();
delete joResponse;
return result;
}
string OnRequest(string json)
{
string response = "";
JSONParser *parser = new JSONParser();
JSONValue *jv = parser.parse(json);
if(jv == NULL)
{
Print("OnRequest [ERROR]:" + (string)parser.getErrorCode() + parser.getErrorMessage());
}
else
{
if(jv.isObject())
{
JSONObject *jo = jv;
int requestType = jo.getInt("RequestType");
JSONObject *joRequest = jo.getObject("Request");
if (joRequest != NULL)
{
Print("OnRequest: RequestType = ", requestType);
switch(requestType)
{
case 1: //GetOrder
response = ExecuteRequestGetOrder(joRequest);
break;
case 2: //GetOrders
response = ExecuteRequestGetOrders(joRequest);
break;
default:
Print("OnRequest [WARNING]: Unknown request type ", requestType);
response = CreateErrorResponse(-1, "Unknown request type");
break;
}
}
else
{
Print("OnRequest [WARNING]: Request field is not defined");
response = CreateErrorResponse(-1, "Request field is not defined");
}
}
delete jv;
}
delete parser;
Print("OnRequest: Response = ", response);
return response;
}
JSONObject* GetOrderJson(int index, int select, int pool)
{
if (OrderSelect(index, select, pool) == false)
{
return NULL;
}
int ticket = OrderTicket();
string symbol = OrderSymbol();
int operation = OrderType();
double openPrice = OrderOpenPrice();
double closePrice = OrderClosePrice();
double lots = OrderLots();
double profit = OrderProfit();
string comment = OrderComment();
double commission = OrderCommission();
int magicNumber = OrderMagicNumber();
datetime openTime = OrderOpenTime();
datetime closeTime = OrderCloseTime();
JSONObject *joOrder = new JSONObject();
joOrder.put("Ticket", new JSONNumber(ticket));
joOrder.put("Symbol", new JSONString(symbol));
joOrder.put("Operation", new JSONNumber(operation));
joOrder.put("OpenPrice", new JSONNumber(openPrice));
joOrder.put("ClosePrice", new JSONNumber(closePrice));
joOrder.put("Lots", new JSONNumber(lots));
joOrder.put("Profit", new JSONNumber(profit));
joOrder.put("Comment", new JSONString(comment));
joOrder.put("Commission", new JSONString(commission));
joOrder.put("MagicNumber", new JSONNumber(magicNumber));
joOrder.put("Commission", new JSONString(commission));
joOrder.put("MagicNumber", new JSONNumber(magicNumber));
joOrder.put("MtOpenTime", new JSONNumber(openTime));
joOrder.put("MtCloseTime", new JSONNumber(closeTime));
return joOrder;
}
string ExecuteRequestGetOrder(JSONObject *jo)
{
int index = jo.getInt("Index");
int select = jo.getInt("Select");
int pool = jo.getInt("Pool");
Print("ExecuteRequestGetOrder: Index = ", index, "; Select = ", select, "; Pool = ", pool);
JSONObject* joOrder = GetOrderJson(index, select, pool);
if (joOrder == NULL)
return CreateErrorResponse(GetLastError(), "GetOrder failed");
return CreateSuccessResponse("Order", joOrder);
}
string ExecuteRequestGetOrders(JSONObject *jo)
{
int pool = jo.getInt("Pool");
Print("ExecuteRequestGetOrders: Pool = ", pool);
int total=OrdersTotal();
JSONArray* joOrders = new JSONArray();
for(int pos = 0; pos < total; pos++)
{
JSONObject* joOrder = GetOrderJson(pos, SELECT_BY_POS, pool);
if (joOrder == NULL)
return CreateErrorResponse(GetLastError(), "GetOrders failed");
joOrders.put(pos, joOrder);
}
return CreateSuccessResponse("Orders", joOrders);
}
mq4/hash.mqh
+672
View File
@@ -0,0 +1,672 @@
// $Id: hash.mqh 125 2014-03-03 08:38:32Z ydrol $
#ifndef YDROL_HASH_MQH
#define YDROL_HASH_MQH
//#property strict
/*
This is losely ported from a C version I have which was in turn modified from hashtable.c by Christopher Clark.
Copyright (C) 2014, Andrew Lord (NICKNAME=lordy) <forex@NICKNAME.org.uk>
Copyright (C) 2002, 2004 Christopher Clark <firstname.lastname@cl.cam.ac.uk>
2014/02/21 - Readded PrimeNumber sizes and auto rehashing when load factor hit.
*/
/// Any value stored in a Hash must be a subclass of HashValue
class HashValue {
};
/// Linked list of values - there will be one list for each hash value
class HashEntry {
public:
string _key;
HashValue * _val;
HashEntry *_next;
HashEntry() {
_key=NULL;
_val=NULL;
_next=NULL;
}
HashEntry(string key,HashValue* val) {
_key=key;
_val=val;
_next=NULL;
}
~HashEntry() {
}
};
/// Convenience class for storing strings as hash values.
class HashString : public HashValue {
private:
string val;
public:
HashString(string v) { val=v;}
string getVal() { return val; }
};
/// Convenience class for storing doubles as hash values.
class HashDouble : public HashValue {
private:
double val;
public:
HashDouble(double v) { val=v;}
double getVal() { return val; }
};
/// Convenience class for storing ints as hash values.
class HashInt : public HashValue {
private:
int val;
public:
HashInt(int v) { val=v;}
int getVal() { return val; }
};
/// Convenience class for storing longs as hash values.
class HashLong : public HashValue {
private:
long val;
public:
HashLong(datetime v) { val=v;}
long getVal() { return val; }
};
/// Convenience class for storing datetimes as hash values.
class HashDatetime : public HashValue {
private:
datetime val;
public:
HashDatetime(datetime v) { val=v;}
datetime getVal() { return val; }
};
///
/// Hash class allows objects to be stored in a table index by strings.
/// the stored Objects must be a sub class of the HashValue class.
///
/// There are some convenience classes to hold atomic types as values HashString,HashDouble,HashInt
///
///EXAMPLE:
///
/// <pre>
/// class myClass: public HashValue {
/// public: int v;
/// myClass(int a) { v = a;}
/// };
///
/// // Create the objects as needed
///
/// myClass *a = new myClass(1);
/// myClass *b = new myClass(2);
/// myClass *c = new myClass(3);
///
/// // Then to insert into hash etc.
///
/// Hash* h = new Hash(193,true);
/// // 'true' means when the hash will adopt the values and delete them when they are removed from the hash or when the hash is deleted.
///
/// h.hPut("a",a);
/// h.hPut("b",b);
/// h.hPut("c",c);
///
/// myClass *d = h.hGet("b");
///
/// etc.
///
/// // Iterate over hash
/// HashLoop *l
/// for (l = new HashLoop(h) ; l.hasNext() ; l.next() ) {
/// string key = l.key();
/// MyClass *c = l.val();
/// }
/// delete l;
///
/// // Delete from hash - This will also delete 'a' because we set the 'adopt' flag on the hash.
/// h.hDel("a");
///
/// //Delete the hash - this will also delete 'b' and 'c' because of the adopt flag.
/// delete h;
/// </pre>
class Hash : public HashValue {
private:
/// Number of slots in the hashtable.
/// this should be approx number of elements to store. Depending on hash algorithm
/// it may optimally be a prime or a power of two etc. but probably not important
/// for MQL4 performance. A future optimisation might be to move the hashcode function to a DLL??
uint _hashSlots;
/// Number of elements at which hash will get resized.
int _resizeThreshold;
/// number of things in the hash
int _hashEntryCount;
/// an array of linked lists (HashEntry). one for each hash value.
/// To store an object against a string(key) - get the string hashcode, then insert pair (key,val) into the linked list for that hashcode.
/// To fetch an object against a string(key) - get the string hashcode, get linked-list at that hashcode index, then search for the key and return the val.
HashEntry* _buckets[];
/// If true the hash will free(delete) values as they are removed, or at cleanup.
bool _adoptValues;
int _errCode;
string _errText;
void init(uint size,bool adoptValues)
{
_hashSlots = 0;
_hashEntryCount = 0;
clearError();
setAdoptValues(adoptValues);
rehash(size);
}
// Hash table distribution is better when size is prime, eg if hash function procduces numbers
// that are multiples of x, then there may be grouping occuring around gcd(x,slots) gcd(2x,slots) etc
// using a prime size helps spread the distribution.
uint size2prime(uint size) {
int pmax=ArraySize(_primes);
for(int p=0 ; p<pmax; p++ ) {
if (_primes[p] >= size) {
return _primes[p];
}
}
return size;
}
/// Primes that approx double in size, used for hash table sizes to avoid gcd causing bunching
static uint _primes[];
/// After reviewing quite a few hash functions I settled on the one below.
/// http://www.cse.yorku.ca/~oz/hash.html
/// this is the bottleneck function. Shame mql hash no default hash method for objects.
uint hash(string s)
{
uchar c[];
uint h = 0;
if (s != NULL) {
h = 5381;
int n = StringToCharArray(s,c);
for(int i = 0 ; i < n ; i++ ) {
h = ((h << 5 ) + h ) + c[i];
}
}
return h % _hashSlots;
}
void clearError() {
setError(0,"");
}
void setError(int e,string m) {
_errCode = e;
_errText = m;
//error((string)e,m);
}
public:
/// Constructor: Create a Hash Object
Hash() {
init(17,true);
}
/// Constructor: Create a Hash Object
/// @param adoptValues : If true the hash destructor will <b>delete</b> all dynamically allocated hash values.
Hash(bool adoptValues) {
init(17,adoptValues);
}
/// Constructor: Create a Hash Object
/// @param size : Approximate size (actual size will be a larger prime number close to a power of 2)
/// @param adoptValues : If true the hash destructor will <b>delete</b> all dynamically allocated hash values.
Hash(int size,bool adoptValues) {
init(size,adoptValues);
}
~Hash() {
// Free entries.
for(uint i = 0 ; i< _hashSlots ; i++) {
HashEntry *nextEntry = NULL;
for(HashEntry *entry = _buckets[i] ; entry!= NULL ; entry = nextEntry )
{
nextEntry = entry._next;
if (_adoptValues && entry._val != NULL && CheckPointer(entry._val) == POINTER_DYNAMIC ) {
delete entry._val;
}
delete entry;
}
_buckets[i] = NULL;
}
}
/// Return any error that has occured. This should be used when
/// retriving values in a Hash that may contain NULLs. hGet()
/// methods can return NULL if not found, in which case getErrorCode
/// will be set.
int getErrCode() {
return _errCode;
}
/// Return text of the error message.
string getErrText() {
return _errText;
}
/// If true the hash destructor will <b>delete</b> all dynamically allocated hash values.
void setAdoptValues(bool v) {
_adoptValues = v;
}
/// True if the hash destructor will <b>delete</b> all dynamically allocated hash values.
bool getAdoptValues() {
return _adoptValues;
}
private:
uint _foundIndex; // After find() is called is set to hashindex for name whether found or not.
HashEntry* _foundEntry; // After find() is called is set to the HashEntry that contains the key.
HashEntry* _foundPrev; // After find() is called is set to the HashEntry before the entry
// (could use double linked list but requires more memory).
/// Look for the required entry for key 'name' true if found.
bool find(string keyName) {
//Alert("finding");
bool found = false;
// Get the index using the hashcode of the string
_foundIndex = hash(keyName);
if (_foundIndex>_hashSlots ) {
setError(1,"hGet: bad hashIndex="+(string)_foundIndex+" size "+(string)_hashSlots);
} else {
// Search the linked list determined by the index.
for(HashEntry *e = _buckets[_foundIndex] ; e != NULL ; e = e._next ) {
if (e._key == keyName) {
_foundEntry = e;
found=true;
break;
}
// Track the item before the target item in case deleting from single linked list.
_foundPrev = e;
}
}
return found;
}
public:
/// This is used by the HashLoop class to get start of LinkedList at bucket[i]
HashEntry*getEntry(int i) {
return _buckets[i];
}
/// Return the number of slots/buckets (not number of elements)
uint getSlots() {
return _hashSlots;
}
/// Return the number of elements in the Hash
int getCount() {
return _hashEntryCount;
}
/// Change the hash size and re-allocate values to new buckets.
bool rehash(uint newSize) {
bool ret = false;
HashEntry* oldTable[];
uint oldSize = _hashSlots;
newSize = size2prime(newSize);
//info("rehashing from "+(string)_hashSlots+" to "+(string)newSize+" "+(string)GetTickCount());
if (newSize <= getSlots()) {
setError(2,"rehash "+(string)newSize+" <= "+(string)_hashSlots);
} else if (ArrayResize(_buckets,newSize) != newSize) {
setError(3,"unable to resize ");
} else if (ArrayResize(oldTable,oldSize) != oldSize) {
setError(4,"unable to resize old copy ");
} else {
//Copy old table.
uint i;
for(i = 0 ; i < oldSize ; i++ ) oldTable[i] = _buckets[i];
// Init new entries - not sure if MQL does this anyway
for(i = 0 ; i<newSize ; i++ ) _buckets[i] = NULL;
// Move entries to new slots
_hashSlots = newSize;
_resizeThreshold = (int)_hashSlots / 4 * 3; // Just use the default load factor value of Javas HashTable
// Look through all slots
for(uint oldHashCode = 0 ; oldHashCode<oldSize ; oldHashCode++ ) {
HashEntry *next = NULL;
// Walk linked list
for(HashEntry *e = oldTable[oldHashCode] ; e != NULL ; e = next ) {
next = e._next;
uint newHashCode = hash(e._key);
// Insert at head of new list.
e._next = _buckets[newHashCode];
_buckets[newHashCode] = e;
}
oldTable[oldHashCode] = NULL;
}
ret = true;
}
return ret;
}
/// Check if the hash contains the given key
/// @param keyName : The key
/// @return: true if found otherwise false
bool hContainsKey(string keyName) {
return find(keyName);
}
/// Fetch a value using string key
/// @return :HashValue associated with the key (or NULL if none found)
/// If the Hashtable contains legitimate NULL values then also check errCode()
/// Examples:
/// If not storing nulls use
/// obj = hash.hGet(x); if (obj != NULL) OK
///
/// If storing nulls use
/// obj = hash.hGet(x); if (obj != NULL || hash.errCode() == 0 ) OK
HashValue* hGet(string keyName) {
HashValue *obj = NULL;
clearError();
bool found=false;
if (find(keyName)) {
obj = _foundEntry._val;
} else {
//If Hash contains nulls then also check the errorCode=0 when retrieving
if (!found) {
setError(1,"not found");
}
}
return obj;
}
/// Convenience method for getting values from a HashString value (see hPutString())
string hGetString(string keyName) {
string ret = NULL;
HashString *v = hGet(keyName);
if (v != NULL) {
ret = v.getVal();
}
return ret;
}
/// Convenience method for getting values from a HashDouble value (see hPutDouble())
double hGetDouble(string keyName) {
double ret = NULL;
HashDouble *v = hGet(keyName);
if (v != NULL) {
ret = v.getVal();
}
return ret;
}
/// Convenience method for getting values from a HashInt value (see hPutInt())
int hGetInt(string keyName) {
int ret = NULL;
HashInt *v = hGet(keyName);
if (v != NULL) {
ret = v.getVal();
}
return ret;
}
/// Convenience method for getting values from a HashLong ( see hPutLong())
long hGetLong(string keyName) {
long ret = NULL;
HashLong *v = hGet(keyName);
if (v != NULL) {
ret = v.getVal();
}
return ret;
}
/// Convenience method for getting values from a HashDatetime ( see hPutDatetime())
datetime hGetDatetime(string keyName) {
datetime ret = NULL;
HashDatetime *v = hGet(keyName);
if (v != NULL) {
ret = v.getVal();
}
return ret;
}
/// Store a hash value against the <b>keyName</b> key. This will overwrite any existing
/// value. It adoptValues is set, it will also free the value if applicable.
/// @param keyName : key name
/// @param obj : Value to store
/// @return the previous value of the key or NULL if there wasnt one
HashValue *hPut(string keyName,HashValue *obj) {
HashValue *ret = NULL;
clearError();
if (find(keyName)) {
// Return revious value
ret = _foundEntry._val;
/*
// Replace entry contents
if (_adoptValues && _foundEntry._val != NULL && CheckPointer(_foundEntry._val) == POINTER_DYNAMIC ) {
delete _foundEntry._val;
}
*/
_foundEntry._val = obj;
} else {
// Insert new entry at head of list
HashEntry* e = new HashEntry(keyName,obj);
HashEntry* first = _buckets[_foundIndex];
e._next = first;
_buckets[_foundIndex] = e;
_hashEntryCount++;
//info((string)_hashEntryCount+" vs. "+(string)_resizeThreshold);
// Auto Resize if number of entries hits _resizeThreshold
if (_hashEntryCount > _resizeThreshold ) {
rehash(_hashSlots/2*3); // this will snap to the next prime
}
}
return ret;
}
/// Store a string as hash value (HashString)
/// @return the previous value of the key or NULL if there wasnt one
HashValue* hPutString(string keyName,string s) {
HashString *v = new HashString(s);
return hPut(keyName,v);
}
/// Store a double as hash value (HashDouble)
/// @return the previous value of the key or NULL if there wasnt one
HashValue* hPutDouble(string keyName,double d) {
HashDouble *v = new HashDouble(d);
return hPut(keyName,v);
}
/// Store an int as hash value (HashInt)
/// @return the previous value of the key or NULL if there wasnt one
HashValue* hPutInt(string keyName,int i) {
HashInt *v = new HashInt(i);
return hPut(keyName,v);
}
/// Store a datetime as hash value (HashLong)
/// @return the previous value of the key or NULL if there wasnt one
HashValue* hPutLong(string keyName,long i) {
HashLong *v = new HashLong(i);
return hPut(keyName,v);
}
/// Store a datetime as hash value (HashDatetime)
/// @return the previous value of the key or NULL if there wasnt one
HashValue* hPutDatetime(string keyName,datetime i) {
HashDatetime *v = new HashDatetime(i);
return hPut(keyName,v);
}
/// Delete an entry from the hash.
bool hDel(string keyName) {
bool found = false;
clearError();
if (find(keyName)) {
HashEntry *next = _foundEntry._next;
if (_foundPrev != NULL) {
//Remove entry from the middle of the list.
_foundPrev._next = next;
} else {
// remove from head of list
_buckets[_foundIndex] = next;
}
if (_adoptValues && _foundEntry._val != NULL&& CheckPointer(_foundEntry._val) == POINTER_DYNAMIC) {
delete _foundEntry._val;
}
delete _foundEntry;
_hashEntryCount--;
found=true;
}
return found;
}
};
uint Hash::_primes[] = {
17, 53, 97, 193, 389,
769, 1543, 3079, 6151,
12289, 24593, 49157, 98317,
196613, 393241, 786433, 1572869,
3145739, 6291469, 12582917, 25165843,
50331653, 100663319, 201326611, 402653189,
805306457, 1610612741};
/// Class to iterate over a Hash using ...
/// <pre>
/// HashLoop *l
/// for (l = new HashLoop(h) ; l.hasNext() ; l.next() ) {
/// string key = l.key();
/// MyClass *c = l.val();
/// }
/// delete l;
/// </pre>
class HashLoop {
private:
uint _index;
HashEntry *_currentEntry;
Hash *_hash;
public:
/// Create iterator for a hash - move to first item
HashLoop(Hash *h) {
setHash(h);
}
~HashLoop() {};
/// Clear current state and move to first item (if any).
void reset() {
_index=0;
_currentEntry = _hash.getEntry(_index);
// Move to first item
if (_currentEntry == NULL) {
next();
}
}
/// Change the hash over which to iterate.
void setHash(Hash *h) {
_hash = h;
reset();
}
/// Check if more items.
bool hasNext() {
bool ret = ( _currentEntry != NULL);
//config("hasNext=",ret);
return ret;
}
/// Move to next item.
void next() {
//config("next : index = ",_index);
// Advance
if (_currentEntry != NULL) {
_currentEntry = _currentEntry._next;
}
// Keep advancing if _currentEntry is null
while (_currentEntry==NULL) {
_index++;
if (_index >= _hash.getSlots() ) return ;
_currentEntry = _hash.getEntry(_index);
}
}
/// Return the key name of the current item.
string key() {
if (_currentEntry != NULL) {
return _currentEntry._key;
} else {
return NULL;
}
}
/// Return the value.
HashValue *val() {
if (_currentEntry != NULL) {
return _currentEntry._val;
} else {
return NULL;
}
}
/// Convenience functions for retriving int from a current HashInt entry
int valInt() {
return ((HashInt *)val()).getVal();
}
/// Convenience functions for retriving int from a current HashString entry
string valString() {
return ((HashString *)val()).getVal();
}
/// Convenience functions for retriving int from a current HashDouble entry
double valDouble() {
return ((HashDouble *)val()).getVal();
}
/// Convenience functions for retriving int from a current HashLong entry
long valLong() {
return ((HashLong *)val()).getVal();
}
/// Convenience functions for retriving int from a current HashDatetime entry
datetime valDatetime() {
return ((HashDatetime *)val()).getVal();
}
};
#endif
mq4/json.mqh
+1013
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