/// <summary>
/// 初始化通知和内存共享文件
/// </summary>
private void Init(bool read)
{
memoryFile = MemoryMappedFileHelper.CreateMemoryMappedFileObj(processKey + MemoryMappedFileNameTag);
eventWait = EventWaitHandleHelper.CreateEventHande(processKey + EventWaitNameTag, false);
if (read)
{
Task.Factory.StartNew(WaitForMessage);
}
}
public static void Start(IList <string> serverAddresses, Action action, bool setAddressToMemory)
{
if (serverAddresses == null)
{
throw new ArgumentNullException(nameof(serverAddresses));
}
if (action == null)
{
throw new ArgumentNullException(nameof(action));
}
var options = new StartOptions();
foreach (string serverAddress in serverAddresses)
{
options.Urls.Add(serverAddress);
}
string serverAddressesJoined = string.Join(",", serverAddresses);
using (WebApp.Start(options))
{
FileVersionInfo fileVersionInfo = FileVersionInfo.GetVersionInfo(Assembly.GetEntryAssembly().Location);
MemoryMappedFile memoryMappedFile = null;
if (setAddressToMemory)
{
int capacity = Encoding.UTF8.GetByteCount(serverAddressesJoined);
MemoryMappedFileHelper.Write(serverAddressesJoined, Ruya.Connector.Interfaces.Constants.ServerMemoryMappedFileName, capacity, fileVersionInfo.ProductName, out memoryMappedFile);
}
// HARD-CODED constant
string traceMessage1 = $"{fileVersionInfo.ProductName} running on {serverAddressesJoined}";
Tracer.Instance.TraceEvent(TraceEventType.Start, 0, traceMessage1);
if (Environment.UserInteractive)
{
Console.WriteLine(traceMessage1);
}
Task.Run(action);
_autoResetEvent = new AutoResetEvent(false);
_autoResetEvent.WaitOne();
// HARD-CODED constant
string traceMessage2 = $"{fileVersionInfo.ProductName} is no longer running on {serverAddressesJoined}";
Tracer.Instance.TraceEvent(TraceEventType.Stop, 0, traceMessage2);
if (Environment.UserInteractive)
{
Console.WriteLine(traceMessage2);
}
memoryMappedFile?.Dispose();
}
}
/// <summary>
/// 是否已经在运行
/// </summary>
/// <param name="processKey">唯一标识</param>
/// <param name="activeWindow">已经运行是否激活之前窗体</param>
/// <returns></returns>
public static bool HadRun(string processKey, bool activeWindow = false)
{
if (activeWindow)
{
var handelStr = MemoryMappedFileHelper.CreateMemoryMappedFileObj(processKey + handelTag).ReadData();
if (!string.IsNullOrEmpty(handelStr))
{
var handel = (IntPtr)int.Parse(handelStr);
Win32Helper.ShowWindowAsync(handel, SW_SHOWNOMAL);
Win32Helper.SetForegroundWindow(handel);
}
}
return(HadRun(processKey));
}
public void TestMemoryMappedFileHelper()
{
string fileName = "MyCustomFileName";
using var file1 = MemoryMappedFileHelper.CreateMemoryMappedFileWithContent(fileName, "Content 1");
var content = MemoryMappedFileHelper.ReadContent(fileName);
Logger.Debug("Content1: " + content);
Assert.Equal("Content 1", content);
MemoryMappedFileHelper.UpdateContent(fileName, "Content 2");
content = MemoryMappedFileHelper.ReadContent(fileName);
Logger.Debug("Content2: " + content);
Assert.Equal("Content 2", content);
}
/// <summary>
/// 将当前主窗口 句柄写入到进程内存，方便激活
/// </summary>
/// <param name="processKey"></param>
/// <param name="windowHandel"></param>
public static void WriteHandel(string processKey, IntPtr windowHandel)
{
fileMapped = MemoryMappedFileHelper.CreateMemoryMappedFileObj(processKey + handelTag);
fileMapped.WriteData(windowHandel.ToString());
}