private void CreateFileStreams()
{
if (_file != null || _fileStream != null)
throw new InvalidOperationException();
_file = MemoryMappedFile.CreateFromFile(FileName);
_fileStream = _file.CreateViewStream();
}
private void InitializeMemoryMap()
{
var mmf = MemoryMappedFile.CreateOrOpen(DATA_FILE, 1024 * 10);
var view = mmf.CreateViewStream();
MappedFile = mmf;
ViewStream = view;
LinkDataSize = Marshal.SizeOf(typeof(LinkData));
}
public MappedFileBuffer(byte[] data)
{
_file = MemoryMappedFile.CreateNew(Guid.NewGuid().ToString(), data.Length);
_stream = _file.CreateViewStream();
_stream.Write(data, 0, data.Length);
//File.WriteAllBytes(_file.Name, data);
_size = (uint)data.Length;
}
public SharedRingBuffer(string name, int size)
{
_size = size;
_memory = MemoryMappedFile.CreateOrOpen(name, size + 1);
_memoryStream = _memory.CreateViewStream();
_writer = new BinaryWriter(_memoryStream);
_reader = new BinaryReader(_memoryStream);
_writer.Write(char.MinValue);
}
public HeurFacade(string mutName, string mmfName, int RegIterations)
{
// Time of listening before register
this.Luogo1 = new Dictionary<string, Network>();
this.threshold = RegIterations;
this.mut = Mutex.OpenExisting(mutName); ;
this.mmf = MemoryMappedFile.OpenExisting(mmfName, MemoryMappedFileRights.FullControl, HandleInheritability.None);
this.stream = mmf.CreateViewStream(0, MappedFileDimension, MemoryMappedFileAccess.Read);
}
public MemoryMappedReadWriteContext(MemoryMappedViewAccessor viewAccessor,
MemoryMappedViewStream viewStream, Mutex accessMutex, bool lockOnCreate)
{
ViewAccessor = viewAccessor;
ViewStream = viewStream;
_accessMutex = accessMutex;
if (lockOnCreate)
Lock();
}
public byte Read(long T,MemoryMappedViewStream stream){
byte[] buffer = new byte[1];
BinaryReader reader = new BinaryReader(stream);
try{reader.Read(buffer,(int)Math.Floor(T/8.0),1);}
catch{return default(byte);}
return buffer[0];
}
public TextureDesc(System.IO.MemoryMappedFiles.MemoryMappedViewStream mmvs)
{
var br = new BinaryReader(mmvs);
SharedHandle = br.ReadUInt32();
Width = br.ReadUInt32();
Height = br.ReadUInt32();
Format = br.ReadUInt32();
Usage = br.ReadUInt32();
Description = br.ReadBytes(256);
}
public MemoryMappedFileMessageSender(string name)
{
_file = MemoryMappedFile.CreateOrOpen(name, SizeOfFile);
_bytesWrittenAccessor = _file.CreateViewAccessor(0, SizeOfInt32);
_messageCompletedAccessor = _file.CreateViewAccessor(SizeOfInt32, SizeOfBool);
_stream = _file.CreateViewStream(SizeOfInt32 + SizeOfBool + SizeOfBool, SizeOfStream);
_messageSendingEvent = new EventWaitHandle(false, EventResetMode.AutoReset, name + "_MessageSending");
_messageReadEvent = new EventWaitHandle(false, EventResetMode.AutoReset, name + "_MessageRead");
_messageCancelledEvent = new EventWaitHandle(false, EventResetMode.ManualReset, name + "_MessageCancelled");
_bytesWrittenEvent = new EventWaitHandle(false, EventResetMode.AutoReset, name + "_BytesWritten");
_bytesReadEvent = new EventWaitHandle(false, EventResetMode.AutoReset, name + "_BytesRead");
}
/// @brief コンストラクタ
public Interprocess()
{
directory_ = null;
view_of_directory_ = null;
mutex_directory_ = null;
message_ = null;
view_of_message_ = null;
mutex_message_ = null;
size_of_directory_ = Marshal.SizeOf(typeof(Directory));
size_of_message_ = Marshal.SizeOf(typeof(Message));
Trace.WriteLine("****Interprocess: NEW");
}
//---------------------------------------------------------------------------------------
// Construction
//---------------------------------------------------------------------------------------
public SharedMemory(bool create, int cbBuffer, string uniquifier)
{
this.theLock = new object();
this.initialized = false;
this.create = create;
this.disposed = false;
this.cbBuffer = cbBuffer;
this.uniquifier = uniquifier;
this.Mutex = null;
this.BufferChangedEvent = null;
this.MemoryMappedFile = null;
this.MemoryViewStream = null;
this.Reader = null;
this.Writer = null;
}
protected void Dispose(bool disposing)
{
if (this.disposed)
{
return;
}
if (disposing)
{
this.stream.Dispose();
}
this.stream = null;
this.disposed = true;
}
public ConnectImpl()
{
_onDataUpdatedEvent = new EventWaitHandle(true, EventResetMode.ManualReset, OnDataUpdatedEventName);
_onWriteLockMutex = new Mutex(false, OnWriteLockMutexName);
using (GetLock())
{
try
{
_memoryMappedFile = MemoryMappedFile.OpenExisting(MemoryMappedFileName);
}
catch (FileNotFoundException)
{
_memoryMappedFile = MemoryMappedFile.CreateNew(MemoryMappedFileName, MemoryMappedFileSize);
}
_memoryMappedViewAccessor = _memoryMappedFile.CreateViewAccessor();
_memoryMappedViewStream = _memoryMappedFile.CreateViewStream();
_memoryMappedViewHandle = _memoryMappedViewStream.SafeMemoryMappedViewHandle.DangerousGetHandle();
}
}
public ParityChange(Parity parity, Config config, UInt32 startBlock, UInt32 lengthInBlocks)
{
this.parity = parity;
this.startBlock = startBlock;
tempDir = config.TempDir;
writingToMMF = true;
UInt32 maxMMFBlocks = Parity.LengthInBlocks((long)config.MaxTempRAM * 1024 * 1024);
UInt32 mmfBlocks = (lengthInBlocks < maxMMFBlocks) ? lengthInBlocks : maxMMFBlocks;
try {
mmf = MemoryMappedFile.CreateNew("disparity.tmp", (long)mmfBlocks * Parity.BLOCK_SIZE);
mmfStream = mmf.CreateViewStream();
}
catch (Exception e) {
LogFile.Log("Could not create memory mapped file: " + e.Message);
// We'll use a temp file only
mmf = null;
mmfStream = null;
writingToMMF = false;
}
tempFileStream = null;
parityBlock = new ParityBlock(parity);
block = startBlock;
}
private void Read(MemoryMappedViewStream stream)
{
try
{
var serializer = new BinaryFormatter();
stream.Position = 0;
var timestamp = DateTime.Now;
AudioDataDTO result = null;
try {
result = serializer.Deserialize(stream) as AudioDataDTO;
} catch (SerializationException)
{
if (lastGuid != Guid.Empty) {
Console.WriteLine("Error deserializing; resetting listener...");
lastGuid = Guid.Empty;
}
}
if (result == null || result.Guid == lastGuid)
{
Thread.Sleep(1); // Drops typical CPU usage while 'idle' from 18-23% to <1%
return;
}
lastGuid = result.Guid;
var diff = timestamp - result.Timestamp;
Console.WriteLine("Message in; delay: " + diff.TotalMilliseconds);
Console.WriteLine(result.ToString());
} catch (Exception ex) {
Console.WriteLine("Error: " + ex.Message);
}
}
private byte[] GetBufferFromMapped(long offset, int length)
{
var baseIdx = CalcIndexBase(offset);
if (baseIdx != _stream.PointerOffset)
_stream = _mapped.CreateViewStream(baseIdx, MemBlockSize);
var start = offset - baseIdx;
var len = (int)(_stream.Length - start);
len = len < length ? len : length;
var buff = new byte[len];
_stream.Position = start;
var count = _stream.Read(buff, 0, len);
if (len == count)
return buff;
var temp = new byte[count];
Array.Copy(buff, 0, temp, 0, count);
return temp;
}
public void WriteMappedToStream(Stream stream, long offset, long length, bool writeToMapped)
{
while (length > 0)
{
var source = writeToMapped ? _stream : _editBuffer;
if (writeToMapped)
{
var idxBase = CalcIndexBase(offset);
if (idxBase != _stream.PointerOffset)
{
_stream = _mapped.CreateViewStream(idxBase, MemBlockSize);
source = _stream;
}
_stream.Position = offset - _stream.PointerOffset;
}
else
_editBuffer.Position = offset;
var len = length > BufferSize ? BufferSize : length;
var buffer = new byte[len];
var count = source.Read(buffer, 0, (int)len);
if (count <= 0)
break;
stream.Write(buffer, 0, count);
length -= count;
offset += count;
}
}
public FluteWriter(Flute flute, long offset = 0, long size = 0)
{
_flute = flute;
_output = _flute._mmf.CreateViewStream(offset, size, MemoryMappedFileAccess.Write);
Interlocked.Increment(ref _flute._writers);
}
/// @brief Message解放
void ReleaseMessage()
{
if (mutex_message_ != null) {
mutex_message_.Dispose();
mutex_message_ = null;
}
if (view_of_message_ != null) {
view_of_message_.Dispose();
view_of_message_ = null;
}
if (message_ != null) {
message_.Dispose();
message_ = null;
}
}
//-------------------------------------------------------------------
// Private
//-------------------------------------------------------------------
/// @brief Directory解放
void ReleaseDirectory()
{
if (mutex_directory_ != null) {
mutex_directory_.Dispose();
mutex_directory_ = null;
}
if (view_of_directory_ != null) {
view_of_directory_.Dispose();
view_of_directory_ = null;
}
if (directory_ != null) {
directory_.Dispose();
directory_ = null;
}
}
//-------------------------------------------------------------------
// 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;
}
public void RunProcess(Action<Action<StringDictionary>> process, bool isService)
{
var key = Guid.NewGuid().GetHashCode().ToString("X");
var processMgmt = new AutoResetEvent(false);
var queueMgmt = new AutoResetEvent(false);
var environmentKeyRead = new AutoResetEvent(false);
var handles = new List<WaitHandle> { processMgmt };
string @namespace = isService ? "Global" : "Local";
_memoryManager.Initialise(@namespace, key);
_profilerRequestsInformation = new EventWaitHandle(false, EventResetMode.ManualReset,
@namespace + @"\OpenCover_Profiler_Communication_SendData_Event_" + key);
_informationReadyForProfiler = new EventWaitHandle(false, EventResetMode.ManualReset,
@namespace + @"\OpenCover_Profiler_Communication_ReceiveData_Event_" + key);
_informationReadByProfiler = new EventWaitHandle(false, EventResetMode.ManualReset,
@namespace + @"\OpenCover_Profiler_Communication_ChunkData_Event_" + key);
handles.Add(_profilerRequestsInformation);
_messageQueue = new ConcurrentQueue<byte[]>();
using (var mmfComms = MemoryMappedFile.CreateNew(@namespace + @"\OpenCover_Profiler_Communication_MemoryMapFile_" + key, maxMsgSize))
using (_streamAccessorComms = mmfComms.CreateViewStream(0, maxMsgSize, MemoryMappedFileAccess.ReadWrite))
{
ThreadPool.QueueUserWorkItem((state) =>
{
try
{
process(dictionary =>
{
if (dictionary == null) return;
dictionary[@"OpenCover_Profiler_Key"] = key;
dictionary[@"OpenCover_Profiler_Namespace"] = @namespace;
dictionary["Cor_Profiler"] = "{1542C21D-80C3-45E6-A56C-A9C1E4BEB7B8}";
dictionary["Cor_Enable_Profiling"] = "1";
dictionary["CoreClr_Profiler"] = "{1542C21D-80C3-45E6-A56C-A9C1E4BEB7B8}";
dictionary["CoreClr_Enable_Profiling"] = "1";
environmentKeyRead.Set();
});
}
finally
{
processMgmt.Set();
}
});
ThreadPool.QueueUserWorkItem((state) =>
{
while (true)
{
byte[] data;
while (!_messageQueue.TryDequeue(out data))
Thread.Yield();
if (data.Length == 0)
{
_messageHandler.Complete();
queueMgmt.Set();
return;
}
_persistance.SaveVisitData(data);
}
});
// wait for the environment key to be read
if (WaitHandle.WaitAny(new[] { environmentKeyRead }, new TimeSpan(0, 0, 0, 10)) == -1)
return;
_dataCommunication = new byte[maxMsgSize];
var pinnedComms = GCHandle.Alloc(_dataCommunication, GCHandleType.Pinned);
try
{
ProcessMessages(handles, pinnedComms);
}
finally
{
pinnedComms.Free();
}
queueMgmt.WaitOne();
}
}
/// Message解放
private void ReleaseMessage()
{
if (this.mutexMessage != null) {
this.mutexMessage.Dispose();
this.mutexMessage = null;
}
if (this.viewOfMessage != null) {
this.viewOfMessage.Dispose();
this.viewOfMessage = null;
}
if (this.message != null) {
this.message.Dispose();
this.message = null;
}
}
//-------------------------------------------------------------------
// Message
//-------------------------------------------------------------------
/// @brief Message初期化
public bool InitMessage(UInt32 process_id)
{
// 念のため解放
ReleaseMessage();
// 仮想メモリの名前
string message_name = kMessageNamePrefix + process_id;
// 仮想メモリ(Message<process_id>)の作成
MemoryMappedFile tmp_message;
bool already_exists = true;
try {
tmp_message = MemoryMappedFile.OpenExisting(message_name);
} catch (FileNotFoundException) {
tmp_message =
MemoryMappedFile.CreateNew(message_name, size_of_message_);
already_exists = false;
}
// ビューの作成
MemoryMappedViewStream tmp_view_of_message =
tmp_message.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_message_; i++) {
tmp_view_of_message.Seek(i, SeekOrigin.Begin);
tmp_view_of_message.WriteByte(0);
}
}
// Mutexの名前
string message_mutex_name = kMessageMutexNamePrefix + process_id;
// Mutexの作成
Mutex tmp_mutex_message = new Mutex(false, message_mutex_name);
// メンバ変数に設定
message_ = tmp_message;
view_of_message_ = tmp_view_of_message;
mutex_message_ = tmp_mutex_message;
Trace.WriteLine("****Interprocess: InitMessage Done");
return true;
}
//===================================================================
// Message
//===================================================================
/// Message初期化
public bool InitMessage(UInt32 processID)
{
// 念のため解放
this.ReleaseMessage();
// 仮想メモリの名前
string messageName = MessageNamePrefix + processID;
// 仮想メモリ(Message<ProcessID>)の作成
MemoryMappedFile tmpMessage;
bool alreadyExists = true;
try {
tmpMessage = MemoryMappedFile.OpenExisting(messageName);
} catch (FileNotFoundException) {
tmpMessage =
MemoryMappedFile.CreateNew(messageName, this.sizeOfMessage);
alreadyExists = false;
}
// ビューの作成
MemoryMappedViewStream tmpViewOfMessage =
tmpMessage.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.sizeOfMessage; i++) {
tmpViewOfMessage.Seek(i, SeekOrigin.Begin);
tmpViewOfMessage.WriteByte(0);
}
}
// Mutexの名前
string messageMutexName = MessageMutexNamePrefix + processID;
// Mutexの作成
Mutex tmpMutexMessage = new Mutex(false, messageMutexName);
// フィールドに設定
this.message = tmpMessage;
this.viewOfMessage = tmpViewOfMessage;
this.mutexMessage = tmpMutexMessage;
Trace.WriteLine("****Interprocess: InitMessage Done");
return true;
}
/// Directory解放
private void ReleaseDirectory()
{
if (this.mutexDirectory != null) {
this.mutexDirectory.Dispose();
this.mutexDirectory = null;
}
if (this.viewOfDirectory != null) {
this.viewOfDirectory.Dispose();
this.viewOfDirectory = null;
}
if (this.directory != null) {
this.directory.Dispose();
this.directory = null;
}
}
//===================================================================
// 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;
}
//===================================================================
// コンストラクタ/デストラクタ
//===================================================================
/// コンストラクタ
public Interprocess()
{
this.directory = null;
this.viewOfDirectory = null;
this.mutexDirectory = null;
this.message = null;
this.viewOfMessage = null;
this.mutexMessage = null;
this.shutdownEvent = null;
this.directoryType = typeof(Directory);
this.messageType = typeof(Message);
this.sizeOfDirectory = Marshal.SizeOf(this.directoryType);
this.sizeOfMessage = Marshal.SizeOf(this.messageType);
Trace.WriteLine("****Interprocess: NEW");
}
/// <summary>
/// </summary>
/// <returns></returns>
public bool CreateServer()
{
try
{
_memoryMappedFile = MemoryMappedFile.CreateOrOpen(_smKeyStoreName, _smKeyStoreSize);
_reader = _memoryMappedFile.CreateViewAccessor(0, _smKeyStoreSize, MemoryMappedFileAccess.ReadWrite);
_writer = _memoryMappedFile.CreateViewStream(0, _smKeyStoreSize, MemoryMappedFileAccess.ReadWrite);
_keystoreLock = new Mutex(true, LageantLock, out _isLocked);
}
catch
{
return false;
}
return true;
}
public DumpFileMemoryReader(string dumpFilePath)
{
bool dispose = true;
FileStream fileStream = null;
MemoryMappedFile memoryMappedFile = null;
MemoryMappedViewStream stream = null;
try
{
fileStream = new FileStream(dumpFilePath, FileMode.Open, FileAccess.Read);
memoryMappedFile = MemoryMappedFile.CreateFromFile(fileStream, Guid.NewGuid().ToString(), fileStream.Length, MemoryMappedFileAccess.Read, new MemoryMappedFileSecurity(), HandleInheritability.Inheritable, false);
stream = memoryMappedFile.CreateViewStream(0, fileStream.Length, MemoryMappedFileAccess.Read);
stream.SafeMemoryMappedViewHandle.AcquirePointer(ref basePointer);
IntPtr streamPointer = IntPtr.Zero;
uint streamSize = 0;
MINIDUMP_DIRECTORY directory = new MINIDUMP_DIRECTORY();
if (!MiniDumpReadDumpStream((IntPtr)basePointer, MINIDUMP_STREAM_TYPE.Memory64ListStream, ref directory, ref streamPointer, ref streamSize))
throw new Exception("Unable to read mini dump stream");
var data = (MINIDUMP_MEMORY64_LIST)Marshal.PtrToStructure(streamPointer, typeof(MINIDUMP_MEMORY64_LIST));
ulong lastEnd = data.BaseRva;
ranges = new MemoryLocation[data.NumberOfMemoryRanges];
for (int i = 0; i < ranges.Length; i++)
{
var descriptor = (MINIDUMP_MEMORY_DESCRIPTOR64)Marshal.PtrToStructure(streamPointer + sizeof(MINIDUMP_MEMORY64_LIST) + i * sizeof(MINIDUMP_MEMORY_DESCRIPTOR64), typeof(MINIDUMP_MEMORY_DESCRIPTOR64));
ranges[i] = new MemoryLocation()
{
MemoryStart = descriptor.StartOfMemoryRange,
MemoryEnd = descriptor.StartOfMemoryRange + descriptor.DataSize,
FilePosition = lastEnd,
};
lastEnd += descriptor.DataSize;
}
int newEnd = 0;
for (int i = 1; i < ranges.Length; i++)
if (ranges[i].MemoryStart == ranges[newEnd].MemoryEnd)
ranges[newEnd].MemoryEnd = ranges[i].MemoryEnd;
else
ranges[++newEnd] = ranges[i];
newEnd++;
Array.Resize(ref ranges, newEnd);
finder = new MemoryRegionFinder(ranges.Select(r => new MemoryRegion { BaseAddress = r.MemoryStart, MemoryEnd = r.MemoryEnd }).ToArray());
dispose = false;
}
finally
{
if (dispose)
{
stream.SafeMemoryMappedViewHandle.ReleasePointer();
if (stream != null)
{
stream.Dispose();
}
if (memoryMappedFile != null)
{
memoryMappedFile.Dispose();
}
if (fileStream != null)
{
fileStream.Dispose();
}
}
else
{
this.fileStream = fileStream;
this.stream = stream;
this.memoryMappedFile = memoryMappedFile;
}
}
}
public SharedMemory(string name, IntPtr size)
{
mmf = MemoryMappedFile.OpenExisting(name + "_CONNECT_DATA");
mmva = mmf.CreateViewAccessor();
if (mmf.SafeMemoryMappedFileHandle.IsInvalid)
throw new MySqlException("Cannot open file mapping " + name);
mmvs = mmf.CreateViewStream(0L, size.ToInt64());
mmva = mmf.CreateViewAccessor(0L, size.ToInt64());
}
