public void StoreUpdatesMetadata()
{
using (var indexFile = MemoryMappedFile.CreateNew("index", SIZE_1MB))
using (var dataFile = MemoryMappedFile.CreateNew("data", SIZE_1MB))
using (var engine = FileStorageEngineFactory.NewInstance(indexFile, dataFile))
{
engine.Insert(Guid.NewGuid(), BitConverter.GetBytes(UInt64.MaxValue));
using (var indexMetadataAccessor = indexFile.CreateViewAccessor(0, INDEX_METADATA_SIZE))
{
var nextBstNode = indexMetadataAccessor.ReadInt64(0);
Assert.Equal(1, nextBstNode);
}
using (var dataMetadataAccessor = dataFile.CreateViewAccessor(0, INDEX_METADATA_SIZE))
{
var nextBstNode = dataMetadataAccessor.ReadInt64(0);
Assert.Equal(DATA_METADATA_SIZE + 8, nextBstNode);
}
}
}
public void run()
{
using (MemoryMappedFile mmf = MemoryMappedFile.CreateNew("procfile", 10000))
{
newPrc.Start();
Thread.Sleep(500);
int i;
while (true)
{
using (MemoryMappedViewStream stream = mmf.CreateViewStream())
{
sem.WaitOne();
BinaryReader reader = new BinaryReader(stream);
i = reader.ReadInt32();
i = (int)i / 254;
richTextBox1.Invoke(new Action(() => richTextBox1.Text += ("Pressed " + i.ToString()) + " button\n"));
}
}
}
}
public MemoryMappedArray(int size0, int size1)
{
if (size0 <= 0)
{
throw new ArgumentOutOfRangeException("size0");
}
if (size1 <= 0)
{
throw new ArgumentOutOfRangeException("size1");
}
this.size0 = size0;
this.size1 = size1;
this.numElements = checked ((long)size0 * size1);
this.sizeOfT = Marshal.SizeOf(typeof(T));
var bytes = checked (this.numElements * this.sizeOfT);
this.memoryMappedFile = MemoryMappedFile.CreateNew(null, bytes);
// create accessor for data
this.accessor = this.memoryMappedFile.CreateViewAccessor(0L, bytes);
}
public static void Initialize(string memoryName, long argsSize)
{
ArgsImporter.argsSize = argsSize;
mutexName = memoryName + "_argsMutex";
memoryFileName = memoryFileName + "_argsFile";
mutex = new Mutex(true, mutexName, out bool t);
IsMainApp = t;
if (IsMainApp == true)
{
memoryFile = MemoryMappedFile.CreateNew(memoryFileName, argsSize);
mutex.ReleaseMutex();
catchArgsThread = new Thread(() => CatchArgsLoop(memoryFile));
catchArgsThread.Start();
}
}
static void Main()
{
Test t = new Test()
{
dt1 = DateTime.MaxValue, b = 42
};
Console.WriteLine("Managed size: " + SizeOfType(typeof(Test)));
Console.WriteLine("Unmanaged size: " + Marshal.SizeOf(t));
using (MemoryMappedFile file = MemoryMappedFile.CreateNew(null, 1))
using (MemoryMappedViewAccessor accessor = file.CreateViewAccessor())
{
accessor.Write(0L, ref t);
long pos = 0;
for (int i = 0; i < 9; i++)
{
Console.Write("|" + accessor.ReadByte(pos++));
}
Console.Write("|\n");
}
}
public void AllowFinaliation()
{
// Explicitly do not dispose, to allow finalization to happen, just to try to verify
// that nothing fails when it does.
MemoryMappedFile mmf = MemoryMappedFile.CreateNew(null, 4096);
MemoryMappedViewAccessor acc = mmf.CreateViewAccessor();
var mmfWeak = new WeakReference <MemoryMappedFile>(mmf);
var accWeak = new WeakReference <MemoryMappedViewAccessor>(acc);
mmf = null;
acc = null;
GC.Collect();
GC.WaitForPendingFinalizers();
GC.Collect();
Assert.False(mmfWeak.TryGetTarget(out mmf));
Assert.False(accWeak.TryGetTarget(out acc));
}
internal ManagedCommunicationBlock(string @namespace, string key, int bufferSize, int bufferId)
{
Namespace = @namespace;
Key = key;
_memoryMappedFile = MemoryMappedFile.CreateNew(
MakeName(@"\OpenCover_Profiler_Communication_MemoryMapFile_", bufferId), bufferSize);
StreamAccessorComms = _memoryMappedFile.CreateViewStream(0, bufferSize, MemoryMappedFileAccess.ReadWrite);
ProfilerRequestsInformation = new EventWaitHandle(false, EventResetMode.ManualReset,
MakeName(@"\OpenCover_Profiler_Communication_SendData_Event_", bufferId));
InformationReadyForProfiler = new EventWaitHandle(false, EventResetMode.ManualReset,
MakeName(@"\OpenCover_Profiler_Communication_ReceiveData_Event_", bufferId));
InformationReadByProfiler = new EventWaitHandle(false, EventResetMode.ManualReset,
MakeName(@"\OpenCover_Profiler_Communication_ChunkData_Event_", bufferId));
DataCommunication = new byte[bufferSize];
PinnedDataCommunication = GCHandle.Alloc(DataCommunication, GCHandleType.Pinned);
}
public void VerifyCreateNewException <EXCTYPE>(String strLoc, String mapName, long capacity, MemoryMappedFileAccess access, MemoryMappedFileOptions options, HandleInheritability inheritability) where EXCTYPE : Exception
{
iCountTestcases++;
try
{
using (MemoryMappedFile mmf = MemoryMappedFile.CreateNew(mapName, capacity, access, options, inheritability))
{
iCountErrors++;
Console.WriteLine("ERROR, {0}: No exception thrown, expected {1}", strLoc, typeof(EXCTYPE));
}
}
catch (EXCTYPE)
{
//Console.WriteLine("{0}: Expected, {1}: {2}", strLoc, ex.GetType(), ex.Message);
}
catch (Exception ex)
{
iCountErrors++;
Console.WriteLine("ERROR, {0}: Unexpected exception, {1}", strLoc, ex);
}
}
/// <summary>
/// Creates a circular array that occupies specified amount of space
/// </summary>
/// <param name="size">Total size of this data structure</param>
public MemoryMappedQueue(int size, bool writer, string name)
{
_readPointer = 0;
_writePointer = 0;
_overflowWritePointer = -1;
_usingOverflowWritePointer = false;
_writer = writer;
_pointerSize = sizeof(long);
_key = new Mutex(initiallyOwned: _writer, name: name);
// Ensure specified size is within bounds (2GB)
if (size >= int.MaxValue)
{
throw new ArgumentException("Addressable size is too large.", nameof(size));
}
// Ensure that there is enough room for a little data
else if (size < 2 * _pointerSize)
{
throw new ArgumentException("Specified size is too small", nameof(size));
}
_dataSize = size;
_data = new byte[_dataSize];
string dataFileName = name + "_data";
string pointersFileName = name + "_pointers";
// Access the memory mapped file
if (writer)
{
_dataFile = MemoryMappedFile.CreateNew(dataFileName, _dataSize, MemoryMappedFileAccess.ReadWrite);
_pointersFile = MemoryMappedFile.CreateNew(pointersFileName, 3 * _pointerSize, MemoryMappedFileAccess.ReadWrite);
storeWritePointer();
}
else
{
_dataFile = MemoryMappedFile.OpenExisting(dataFileName, MemoryMappedFileRights.Read);
_pointersFile = MemoryMappedFile.OpenExisting(pointersFileName, MemoryMappedFileRights.ReadWrite);
storeReadPointer();
}
}
//===================================================================
// Directory
//===================================================================
/// Directory初期化
/// @todo(me) 全体的に例外処理を考慮していないコード。要注意。
/// @return 初期化が成功したか
public bool InitDirectory() {
// プログラム全体で一回だけCreate/CloseすればよいのでCloseはしない
if (IsDirectoryInitialized()) return true;
// 仮想メモリ(Directory)の作成
/// @todo(me) あまりにも邪悪な例外処理の使い方。なんとかしたい。
MemoryMappedFile tmpDirectory;
bool alreadyExists = true;
try {
tmpDirectory = MemoryMappedFile.OpenExisting(DirectoryName);
} catch (FileNotFoundException) {
tmpDirectory =
MemoryMappedFile.CreateNew(DirectoryName, this.sizeOfDirectory);
alreadyExists = false;
}
// ビューの作成
MemoryMappedViewStream tmpViewOfDirectory =
tmpDirectory.CreateViewStream();
// 最初に共有メモリを作成した場合は0クリアしておく
if (!alreadyExists) {
for (int i = 0; i < this.sizeOfDirectory; i++) {
tmpViewOfDirectory.Seek(i, SeekOrigin.Begin);
tmpViewOfDirectory.WriteByte(0);
}
}
// Mutexの作成
Mutex tmpMutexDirectory = new Mutex(false, DirectoryMutexName);
// フィールドに設定
this.directory = tmpDirectory;
this.viewOfDirectory = tmpViewOfDirectory;
this.mutexDirectory = tmpMutexDirectory;
Trace.WriteLine("****Interprocess: InitDirectory Done");
return true;
}
void IRenderHandler.OnPaint(bool isPopup, Rect dirtyRect, IntPtr buffer, int width, int height, Image image)
{
//File.AppendAllText("DEBUG.txt", DateTime.Now.ToLongTimeString() + this.GetHashCode() + " ONPAINT " + isPopup + " " + buffer + " - " + width + "x" + height + " " + image.GetHashCode() + Environment.NewLine);
if (image.Dispatcher.HasShutdownStarted ||
(dirtyRect.X == 0 && dirtyRect.Y == 0 && dirtyRect.Width == 0 && dirtyRect.Height == 0))
{
return;
}
if (isPopup)
{
CurrentPopupRenderInfo = new RenderInfo(isPopup, dirtyRect, buffer, width, height, image);
ReleaseMemoryMappedView(ref memoryMappedFile, ref memoryMappedViewAccessor);
memoryMappedFile = MemoryMappedFile.CreateNew(null, CurrentRenderInfo.NumberOfBytes, MemoryMappedFileAccess.ReadWrite);
memoryMappedViewAccessor = memoryMappedFile.CreateViewAccessor();
var data = texA.LockRectangle(0, LockFlags.ReadOnly);
CopyMemoryGentle(data.DataPointer, memoryMappedViewAccessor.SafeMemoryMappedViewHandle.DangerousGetHandle(), CurrentRenderInfo.NumberOfBytes);
texA.UnlockRectangle(0);
ReleaseMemoryMappedView(ref popupMemoryMappedFile, ref popupMemoryMappedViewAccessor);
popupMemoryMappedFile = MemoryMappedFile.CreateNew(null, CurrentPopupRenderInfo.NumberOfBytes, MemoryMappedFileAccess.ReadWrite);
popupMemoryMappedViewAccessor = popupMemoryMappedFile.CreateViewAccessor();
CopyMemoryGentle(CurrentPopupRenderInfo.Buffer, popupMemoryMappedViewAccessor.SafeMemoryMappedViewHandle.DangerousGetHandle(), CurrentPopupRenderInfo.NumberOfBytes);
DirectXRender(CurrentPopupRenderInfo);
}
else
{
CurrentRenderInfo.IsPopup = isPopup;
CurrentRenderInfo.DirtyRect = dirtyRect;
CurrentRenderInfo.Buffer = buffer;
CurrentRenderInfo.Width = width;
CurrentRenderInfo.Height = height;
CurrentRenderInfo.Image = image;
DirectXRender(CurrentRenderInfo);
}
}
public static unsafe void QueueCall <T>(this Ipc scope, string method, T frameContent)
where T : struct
{
CallFrameListDescriptor *descriptor = null; //scope.GetObject<CallFrameListDescriptor>("CallFrameListDescriptor:" + method);
CallFrameListNode * node = null; //scope.GetObject<CallFrameListNode>("CallFrameListNode:" + descriptor->CallFrameListHead);
Luid id = new Luid {
Whole = Guid.NewGuid()
};
MemoryMappedFile data;
//Get a space to store the frame in
do
{
try
{
data = MemoryMappedFile.CreateNew($"{scope.Name}:CallFrames:{id.Low}", Marshal.SizeOf <T>(), MemoryMappedFileAccess.ReadWrite);
//Write frameContent into data
break;
}
catch
{
id = new Luid {
Whole = Guid.NewGuid()
};
}
} while (true);
//Acquire the tail of the call frame list
while (Interlocked.CompareExchange(ref node->NextCallFrame, id.Low, 0) != 0)
{
node = null; //scope.GetObject<CallFrameListNode>("CallFrameListNode:" + node->NextCallFrame);
}
node = null; //scope.GetObject<CallFrameListNode>("CallFrameListNode:" + id.Low);
//Write the current time to the call frame so it may be reclaimed at some point
//write
Interlocked.Exchange(ref descriptor->CallFrameListHead, id.Low);
}
private static void Main(string[] args)
{
using (MemoryMappedFile mmf = MemoryMappedFile.CreateNew("memfile", 128))
{
using (MemoryMappedViewStream stream = mmf.CreateViewStream())
{
BinaryWriter writer = new BinaryWriter(stream);
int[][] arrInts = new int[5][];
InitializeArray(arrInts);
BinaryFormatter bf = new BinaryFormatter();
bf.Serialize(stream, arrInts);
//ArrayWrite(arrInts, writer);
}
string[] cmdArgs = new int[] { 121, 32, 321 }.Select(i => i.ToString()).ToArray();
Console.WriteLine("Starting the child process");
// Command line args are separated by a space
Process p = Process.Start("ChildProcess.exe", $"memfile {string.Join(" ", cmdArgs)}");
Console.WriteLine("Waiting child to die");
p.WaitForExit();
Console.WriteLine("Child died");
using (MemoryMappedViewStream stream = mmf.CreateViewStream())
{
BinaryReader reader = new BinaryReader(stream);
//ArrayRead(reader);
BinaryFormatter bf = new BinaryFormatter();
int[][] arr = (int[][])bf.Deserialize(stream);
dynamic arr2 = bf.Deserialize(stream); // Converted to int[] at runtime
Console.WriteLine();
Console.WriteLine("Reading child output..");
}
}
Console.WriteLine("Press any key to continue...");
Console.ReadKey();
}
public void CreateIPCClassNameMMF(IntPtr hWnd)
{
if (ipcClassNameMMA != null) return; // Already holding a handle to MMF file. No need to re-write the data
try
{
StringBuilder wndClassNameStr = new StringBuilder(128);
if (GetClassName(hWnd, wndClassNameStr, wndClassNameStr.Capacity) != 0 && wndClassNameStr.Length > 0)
{
byte[] buffer = ASCIIEncoding.ASCII.GetBytes(wndClassNameStr.ToString());
ipcClassNameMMF = MemoryMappedFile.CreateNew("DS4Windows_IPCClassName.dat", 128);
ipcClassNameMMA = ipcClassNameMMF.CreateViewAccessor(0, buffer.Length);
ipcClassNameMMA.WriteArray(0, buffer, 0, buffer.Length);
// The MMF file is alive as long this process holds the file handle open
}
}
catch (Exception)
{
/* Eat all exceptions because errors here are not fatal for DS4Win */
}
}
static void Main(string[] args)
{
// Open shared memory
MemoryMappedFile share_mem = MemoryMappedFile.CreateNew("shared_memory", 1024);
MemoryMappedViewAccessor accessor = share_mem.CreateViewAccessor();
// Write data to shared memory
string str = "Hello World";
char[] data = str.ToCharArray();
accessor.Write(0, data.Length);
accessor.WriteArray <char>(sizeof(int), data, 0, data.Length);
// Dispose accessor
accessor.Dispose();
// Sleep
while (true)
{
System.Threading.Thread.Sleep(1000);
}
}
static void Main()
{
Console.WriteLine("Memory mapped file server started");
using (var file = MemoryMappedFile.CreateNew("myFile", int.MaxValue))
{
var bytes = new byte[24];
for (var i = 0; i < bytes.Length; i++)
{
bytes[i] = (byte)(65 + i);
}
using (var writer = file.CreateViewAccessor(0, bytes.Length))
{
writer.WriteArray <byte>(0, bytes, 0, bytes.Length);
}
Console.WriteLine("Before exiting run memory mapped file reader");
Console.WriteLine("Press any key to exit ...");
Console.ReadLine();
}
}
static void Main()
{
Test t = new Test()
{
c1 = '1', c2 = '2', c3 = '3'
};
using (MemoryMappedFile file = MemoryMappedFile.CreateNew(null, 1))
using (MemoryMappedViewAccessor accessor = file.CreateViewAccessor())
{
accessor.Write <Test>(0L, ref t);
t = new Test()
{
c1 = 'a', c2 = 'b', c3 = 'c'
};
accessor.Write <Test>((long)LO.SIZE, ref t);
using (StreamReader sr = new StreamReader(file.CreateViewStream(), ASCIIEncoding.ASCII))
{
Console.WriteLine(sr.ReadToEnd());
}
}
}
/// <summary>
/// create a single-one provider.
/// </summary>
/// <returns>
/// true if success, otherwise false.
/// </returns>
public static bool CreateSingleOne()
{
#if __LINUX__
var _p = Path.Here + Program.MMF_NAME;
try
{
if (Universe._mapped == null)
{
Universe._mapped ??= File.Create(_p);
Universe._mapped?.Lock(0, 0);
}
return(true);
}
catch (Exception _e)
{
Debug.Print(_e.ToString());
Console.WriteLine(_e.Message);
return(false);
}
#elif __WINDOWS__
try
{
AppSettings.Memory = MemoryMappedFile.CreateNew(Program.MMF_NAME, 10000);
var s = AppSettings.Memory.CreateViewStream();
BinaryWriter writer = new BinaryWriter(s);
writer.Write(AppSettings.CompanyName);
writer.Close();
writer.Dispose();
s.Dispose();
return(true);
}
catch
{
return(false);
}
#else
#error Unsupported Platform.
#endif
}
public DebugListener(AugmentrexContext context)
{
context.InfoLine("Starting debug message listener...");
_cts = new CancellationTokenSource();
_task = Task.Factory.StartNew(() =>
{
const int BufferSize = 4096;
using var mmf = MemoryMappedFile.CreateNew("DBWIN_BUFFER", BufferSize);
using var bufReady = new EventWaitHandle(false, EventResetMode.AutoReset, "DBWIN_BUFFER_READY");
using var dataReady = new EventWaitHandle(false, EventResetMode.AutoReset, "DBWIN_DATA_READY");
while (true)
{
_cts.Token.ThrowIfCancellationRequested();
bufReady.Set();
if (!dataReady.WaitOne(context.Configuration.DebugListenerInterval))
{
continue;
}
using var stream = mmf.CreateViewStream(0, BufferSize, MemoryMappedFileAccess.Read);
using var reader = new BinaryReader(stream);
if (reader.ReadUInt32() != context.Game.Id)
{
continue;
}
var bytes = reader.ReadBytes(BufferSize - sizeof(int));
var str = Encoding.GetEncoding("euc-kr").GetString(bytes, 0, Array.IndexOf <byte>(bytes, 0));
Log.DebugLine("{0}", str.Substring(0, str.Length - 1));
}
}, _cts.Token, TaskCreationOptions.LongRunning, TaskScheduler.Default);
}
public void VerifyCreateNew(String strLoc, String mapName, long capacity, MemoryMappedFileAccess access, MemoryMappedFileOptions options, HandleInheritability inheritability)
{
if (mapName != null && Interop.PlatformDetection.OperatingSystem != Interop.OperatingSystem.Windows)
{
return;
}
iCountTestcases++;
try
{
using (MemoryMappedFile mmf = MemoryMappedFile.CreateNew(mapName, capacity, access, options, inheritability))
{
VerifyAccess(strLoc, mmf, access, capacity);
VerifyHandleInheritability(strLoc, mmf.SafeMemoryMappedFileHandle, inheritability);
}
}
catch (Exception ex)
{
iCountErrors++;
Console.WriteLine("ERROR, {0}: Unexpected exception, {1}", strLoc, ex);
}
}
public void InitQueue()
{
var processName = Process.GetCurrentProcess().ProcessName;
var mutex = new Mutex(true, "pathList");
if (Process.GetProcessesByName(processName).Length == 1)
{
allBmpPaths = rp.ExtractBmpPaths();
var stringAllBmpPaths = string.Join("\n", allBmpPaths);
var stringLength = stringAllBmpPaths.Length;
interProcessFile = MemoryMappedFile
.CreateNew("bmps", stringLength * 2, MemoryMappedFileAccess.ReadWrite);
using (var stream = interProcessFile.CreateViewStream())
{
var writer = new BinaryWriter(stream);
writer.Write(stringAllBmpPaths);
}
mutex.ReleaseMutex();
return;
}
interProcessFile = MemoryMappedFile.OpenExisting("bmps");
}
public void Initialize(ListBox listBox)
{
int size = Marshal.SizeOf(typeof(IdeMessage));
hSharedMemory = MemoryMappedFile.CreateNew(SHARED_MEMORY_NAME, size);
hRecvEvent = new EventWaitHandle(false, EventResetMode.AutoReset, RECV_EVENT_NAME);
hSendEvent = new EventWaitHandle(false, EventResetMode.AutoReset, SEND_EVENT_NAME);
ThreadArg arg = new ThreadArg();
arg.hSendEvent = hSendEvent;
arg.hRecvEvent = hRecvEvent;
arg.hSharedMemory = hSharedMemory;
arg.listBox = listBox;
hThread = new BackgroundWorker();
hThread.WorkerSupportsCancellation = true;
hThread.DoWork += HThread_DoWork;
hThread.RunWorkerAsync(arg);
}
public SlaveManager(string arg, int x, int y)
{
visuals = new List <Visual>();
this._x = x;
this._y = y;
length = getLength(x, y);
mappedFile = MemoryMappedFile.CreateNew(arg, length);
displayData = new SlaveData();
displayData.foreColors = new ConsoleColor[x, y];
displayData.backColors = new ConsoleColor[x, y];
displayData.characters = new char[x, y];
//just for now
for (int xl = 0; xl < 10; xl++)
{
for (int yl = 0; yl < 10; yl++)
{
displayData.foreColors[xl, yl] = ConsoleColor.Red;
displayData.backColors[xl, yl] = ConsoleColor.Red;
displayData.characters[xl, yl] = arg.ToCharArray()[0];
}
}
ProcessStartInfo processStartInfo = new ProcessStartInfo
{
FileName = "RhythmThing.exe",
CreateNoWindow = false,
UseShellExecute = true,
Arguments = $"{arg} {x} {y}"
};
_accessor = mappedFile.CreateViewAccessor();
pipe = new NamedPipeServerStream(arg);
_slaveProcess = Process.Start(processStartInfo);
pipe.WaitForConnection();
_writer = new StreamWriter(pipe);
_writer.AutoFlush = true;
_aliveWindows.Add(this);
}
public void ConnectByPid(Int32 pid)
{
var securityMemory = new MemoryMappedFileSecurity();
var securityMutex = new MutexSecurity();
var securitySemaphore = new SemaphoreSecurity();
var securityWaiter = new SemaphoreSecurity();
securityMemory.AddAccessRule(new AccessRule <MemoryMappedFileRights>(new SecurityIdentifier(WellKnownSidType.WorldSid, null), MemoryMappedFileRights.FullControl, AccessControlType.Allow));
securityMutex.AddAccessRule(new MutexAccessRule(new SecurityIdentifier(WellKnownSidType.WorldSid, null), MutexRights.FullControl, AccessControlType.Allow));
securitySemaphore.AddAccessRule(new SemaphoreAccessRule(new SecurityIdentifier(WellKnownSidType.WorldSid, null), SemaphoreRights.FullControl, AccessControlType.Allow));
securityWaiter.AddAccessRule(new SemaphoreAccessRule(new SecurityIdentifier(WellKnownSidType.WorldSid, null), SemaphoreRights.FullControl, AccessControlType.Allow));
this.ipcMemory = MemoryMappedFile.CreateNew($"Global\\dr_analyzer_buffer_{pid}", 76012);
this.ipcMemory.SetAccessControl(securityMemory);
this.ipcMutex = new Mutex(false, $"Global\\dr_analyzer_mutex_{pid}", out bool createdMutex, securityMutex);
this.ipcSentSemaphore = new Semaphore(0, 1, $"Global\\dr_analyzer_sent_semaphore_{pid}", out bool createdSentSemaphore, securitySemaphore);
this.ipcReceivedSemaphore = new Semaphore(0, 1, $"Global\\dr_analyzer_received_semaphore_{pid}", out bool createdReceivedSemaphore, securitySemaphore);
this.ipcWaiterSemaphore = new Semaphore(0, 1, $"Global\\dr_analyzer_waiter_semaphore_{pid}", out bool createdWaiter, securityWaiter);
if (!(createdMutex && createdSentSemaphore && createdReceivedSemaphore && createdWaiter))
{
this.FreeSharedObjects();
throw new Exception("One of sync object is already created");
}
this.queueSem = new Semaphore(0, 1);
this.queueMutex = new Mutex(false);
this.isExit = false;
this.receiverThread = new Thread(this.ReceiverThreadFunc);
this.queueThread = new Thread(this.QueueThreadFunc);
this.queueThread.Start();
this.receiverThread.Start();
Injector.InjectByPid(pid);
this.Active = true;
}
private void Create_MMF(string name)
{
shMemory = MemoryMappedFile.CreateNew(name, FileSize);
int accesorSize = 120;
shMemoryAccessor = shMemory.CreateViewAccessor();
for (int i = 0; i < FileSize; i++)
{
try
{
Syncronized.sharedMemory.TryAdd(i, new SharedMemory_index_basedWriter(shMemory.CreateViewAccessor(writeCount, accesorSize), writeCount, new EventWaitHandle(false, EventResetMode.ManualReset, ($"{name}mutex{i}"))));
Console.WriteLine($"Accessor is ready : Dict index {i} pos {writeCount} handel {name}mutex{i} accessor {accesorSize} ");
writeCount += pageCount;
accesorSize += pageCount;
if (writeCount == FileSize)
{
break;
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message + "\n" + ex.StackTrace);
}
}
//Syncronized.handle = new EventWaitHandle(false, EventResetMode.ManualReset, "testRemoteServer");
//Console.WriteLine("Go baby GO");
//Syncronized.nameDMutex = new Mutex(Syncronized.isMutexOwned, name + "mutex", out Syncronized.isMutexCreated);
//Console.WriteLine($"Memory map file {name } has been created : Named mutex and accessor also created");
//Console.WriteLine($"Memory map file size {FileSize} , page count {pageCount}");
//if (!Syncronized.isMutexOwned) Syncronized.nameDMutex.WaitOne();
//Thread.Sleep(10000);
//Syncronized.nameDMutex.ReleaseMutex();
}
//-------------------------------------------------------------------
// Directory
//-------------------------------------------------------------------
/// @brief Directory初期化
/// @todo(me) 全体的に例外処理を考慮していないコード。要注意。
public bool InitDirectory() {
// 念のため解放
ReleaseDirectory();
// 仮想メモリ(Directory)の作成
/// @todo(me) あまりにも邪悪な例外処理の使い方。なんとかしたい。
MemoryMappedFile tmp_directory;
bool already_exists = true;
try {
tmp_directory = MemoryMappedFile.OpenExisting(kDirectoryName);
} catch (FileNotFoundException) {
tmp_directory =
MemoryMappedFile.CreateNew(kDirectoryName, size_of_directory_);
already_exists = false;
}
// ビューの作成
MemoryMappedViewStream tmp_view_of_directory =
tmp_directory.CreateViewStream();
// 最初に共有メモリを作成した場合は0クリアしておく
if (!already_exists) {
for (int i = 0; i < size_of_directory_; i++) {
tmp_view_of_directory.Seek(i, SeekOrigin.Begin);
tmp_view_of_directory.WriteByte(0);
}
}
// Mutexの作成
Mutex tmp_mutex_directory = new Mutex(false, kDirectoryMutexName);
// メンバ変数に設定
directory_ = tmp_directory;
view_of_directory_ = tmp_view_of_directory;
mutex_directory_ = tmp_mutex_directory;
Trace.WriteLine("****Interprocess: InitDirectory Done");
return true;
}
private MemoryMappedInfo CreateTemporaryStorage(long size)
{
if (size >= SingleFileThreshold)
{
// Larger blocks are allocated separately
var mapName = CreateUniqueName(size);
var storage = MemoryMappedFile.CreateNew(mapName, size);
return(new MemoryMappedInfo(new ReferenceCountedDisposable <MemoryMappedFile>(storage), mapName, offset: 0, size: size));
}
lock (_gate)
{
// Obtain a reference to the memory mapped file, creating one if necessary. If a reference counted
// handle to a memory mapped file is obtained in this section, it must either be disposed before
// returning or returned to the caller who will own it through the MemoryMappedInfo.
var reference = _weakFileReference.TryAddReference();
if (reference == null || _offset + size > _fileSize)
{
var mapName = CreateUniqueName(MultiFileBlockSize);
var file = MemoryMappedFile.CreateNew(mapName, MultiFileBlockSize);
reference = new ReferenceCountedDisposable <MemoryMappedFile>(file);
_weakFileReference = new ReferenceCountedDisposable <MemoryMappedFile> .WeakReference(reference);
_name = mapName;
_fileSize = MultiFileBlockSize;
_offset = size;
return(new MemoryMappedInfo(reference, _name, offset: 0, size: size));
}
else
{
// Reserve additional space in the existing storage location
Contract.ThrowIfNull(_name);
_offset += size;
return(new MemoryMappedInfo(reference, _name, _offset - size, size));
}
}
}
static void Main(string[] args)
{
List <int> a = new List <int>();
a.Add(1);
a.Add(5);
a.Add(4);
a.Add(3);
MemoryMappedFile dupa = MemoryMappedFile.CreateNew("14", 65000 * 4);
byte[] tmp = new byte[65000 * 4];
//using (MemoryMappedFile mmf = MemoryMappedFile.CreateNew("14", 10000))
//{
var binFormater = new BinaryFormatter();
var mStream = new MemoryStream();
binFormater.Serialize(mStream, a);
Stopwatch w = Stopwatch.StartNew();
using (MemoryMappedViewStream stream = dupa.CreateViewStream())
{
BinaryWriter writer = new BinaryWriter(stream);
//Console.WriteLine(mStream.ToArray().Length);
//writer.Write(mStream.ToArray());
//writer.Write(tmp);
for (int i = 0; i < 65000; i++)
{
writer.Write(8 + i);
}
//writer.Write(1);
//writer.Write(222);
}
w.Stop();
//}
Console.ReadKey();
}
private void CreateNewExtent()
{
int newFileId = this.fileId;
this.fileId++;
this.extentName = string.Format(FileNameFormat, this.fileName, newFileId);
// create a new file first, just in case anybody is reading
MemoryMappedFile newMMF;
if (!this.IsVolatile)
{
this.extentName = System.IO.Path.Combine(this.path, this.extentName);
using (var file = File.Open(this.extentName, FileMode.Create, FileAccess.ReadWrite, FileShare.Read))
{
newMMF = MemoryMappedFile.CreateFromFile(file, null, this.extentSize, MemoryMappedFileAccess.ReadWrite, HandleInheritability.Inheritable, false);
}
}
else
{
newMMF = MemoryMappedFile.CreateNew(this.extentName, this.extentSize);
}
// store the id of the new file in the old file and close it
if (this.mappedFile != null)
{
*(int *)this.freePointer = -newFileId; // end of file marker
this.CloseCurrent(false);
}
// re-initialize
this.mappedFile = newMMF;
this.view = this.mappedFile.CreateViewAccessor(0, 0, MemoryMappedFileAccess.ReadWrite);
this.view.SafeMemoryMappedViewHandle.AcquirePointer(ref this.startPointer);
this.freeSpace = this.extentSize - sizeof(int);
this.freePointer = this.startPointer;
*((uint *)this.freePointer) = 0;
}
private MemoryMappedFile CreateMemoryMappedFile(int port, string fileName)
{
_logger.Always($"Trying to expose GRPC port {port} at memory mapped file '{fileName}'");
#if PLATFORM_WIN
var file = MemoryMappedFile.CreateNew(
fileName,
FileSize,
MemoryMappedFileAccess.ReadWrite);
#else
var file = MemoryMappedFile.CreateFromFile(
fileName,
FileMode.Create,
null,
FileSize,
MemoryMappedFileAccess.ReadWrite);
#endif
try
{
using (var stream = file.CreateViewStream())
{
using (var writer = new StreamWriter(stream))
{
writer.Write(port);
}
}
}
catch
{
file.Dispose();
throw;
}
_logger.Always($"Memory mapped file '{fileName}' successfully created");
return(file);
}
