public DiagnosticsEventPipeProcessor(
PipeMode mode,
ILoggerFactory loggerFactory = null, // PipeMode = Logs
LogLevel logsLevel = LogLevel.Debug, // PipeMode = Logs
IEnumerable <ICountersLogger> metricLoggers = null, // PipeMode = Metrics
int metricIntervalSeconds = 10, // PipeMode = Metrics
CounterFilter metricFilter = null, // PipeMode = Metrics
MemoryGraph gcGraph = null, // PipeMode = GCDump
MonitoringSourceConfiguration configuration = null, // PipeMode = Nettrace
Func <Stream, CancellationToken, Task> onStreamAvailable = null, // PipeMode = Nettrace
Func <string, CancellationToken, Task> processInfoCallback = null // PipeMode = ProcessInfo
)
{
_metricLoggers = metricLoggers ?? Enumerable.Empty <ICountersLogger>();
_mode = mode;
_loggerFactory = loggerFactory;
_gcGraph = gcGraph;
_metricIntervalSeconds = metricIntervalSeconds;
_logsLevel = logsLevel;
_processInfoCallback = processInfoCallback;
_userConfig = configuration;
_onStreamAvailable = onStreamAvailable;
_processInfoCallback = processInfoCallback;
_counterFilter = metricFilter;
_sessionStarted = new TaskCompletionSource <bool>(TaskCreationOptions.RunContinuationsAsynchronously);
}
private static extern SafeFileHandle ExternCreateNamedPipe(
string lpName,
PipeOpenMode dwOpenMode,
PipeMode dwPipeMode,
int nMaxInstances,
int nOutBufferSize,
int nInBufferSize,
int nDefaultTimeout,
IntPtr lpSecurityAttributes);
public static extern IntPtr CreateNamedPipe(
string lpName,
PipeOpenMode dwOpenMode,
PipeMode dwPipeMode,
uint nMaxInstances,
uint nOutBufferSize,
uint nInBufferSize,
uint nDefaultTimeOut,
IntPtr pipeSecurityAttributes);
public static extern IntPtr CreateNamedPipe(
String lpName, // Pipe name
PipeOpenMode dwOpenMode, // Pipe open mode
PipeMode dwPipeMode, // Pipe-specific modes
uint nMaxInstances, // Maximum number of instances
uint nOutBufferSize, // Output buffer size
uint nInBufferSize, // Input buffer size
uint nDefaultTimeOut, // Time-out interval
IntPtr pipeSecurityAttributes // Security Attributes
);
public DiagnosticsEventPipeProcessor(ContextConfiguration contextConfig, PipeMode mode,
ILoggerFactory loggerFactory,
IEnumerable <IMetricsLogger> metricLoggers)
{
_dimValues = new List <string> {
contextConfig.Namespace, contextConfig.Node
};
_metricLoggers = metricLoggers;
_mode = mode;
_loggerFactory = loggerFactory;
}
public DiagnosticsEventPipeProcessor(
PipeMode mode,
ILoggerFactory loggerFactory = null,
IEnumerable <IMetricsLogger> metricLoggers = null,
int metricIntervalSeconds = 10,
MemoryGraph gcGraph = null)
{
_metricLoggers = metricLoggers ?? Enumerable.Empty <IMetricsLogger>();
_mode = mode;
_loggerFactory = loggerFactory;
_gcGraph = gcGraph;
_metricIntervalSeconds = metricIntervalSeconds;
}
public DiagnosticsEventPipeProcessor(
ContextConfiguration contextConfig,
PipeMode mode,
ILoggerFactory loggerFactory = null,
IEnumerable <IMetricsLogger> metricLoggers = null,
MemoryGraph gcGraph = null)
{
_dimValues = new List <string> {
contextConfig.Namespace, contextConfig.Node
};
_metricLoggers = metricLoggers ?? Enumerable.Empty <IMetricsLogger>();
_mode = mode;
_loggerFactory = loggerFactory;
_gcGraph = gcGraph;
}
public DiagnosticsEventPipeProcessor(
PipeMode mode,
ILoggerFactory loggerFactory = null, // PipeMode = Logs
LogLevel logsLevel = LogLevel.Debug, // PipeMode = Logs
IEnumerable <IMetricsLogger> metricLoggers = null, // PipeMode = Metrics
int metricIntervalSeconds = 10, // PipeMode = Metrics
MemoryGraph gcGraph = null, // PipeMode = GCDump
Action <string> processInfoCallback = null // PipeMode = ProcessInfo
)
{
_metricLoggers = metricLoggers ?? Enumerable.Empty <IMetricsLogger>();
_mode = mode;
_loggerFactory = loggerFactory;
_gcGraph = gcGraph;
_metricIntervalSeconds = metricIntervalSeconds;
_logsLevel = logsLevel;
_processInfoCallback = processInfoCallback;
}
/// <nodoc /> public static SafeFileHandle CreateNamedPipe(string lpName, PipeOpenMode dwOpenMode, PipeMode dwPipeMode, int nMaxInstances, int nOutBufferSize, int nInBufferSize, int nDefaultTimeout, IntPtr lpSecurityAttributes) => s_nativeMethods.CreateNamedPipe(lpName, dwOpenMode, dwPipeMode, nMaxInstances, nOutBufferSize, nInBufferSize, nDefaultTimeout, lpSecurityAttributes);
public static extern IntPtr CreateNamedPipe(
String lpName, // Pipe name
PipeOpenMode dwOpenMode, // Pipe open mode
PipeMode dwPipeMode, // Pipe-specific modes
uint nMaxInstances, // Maximum number of instances
uint nOutBufferSize, // Output buffer size
uint nInBufferSize, // Input buffer size
uint nDefaultTimeOut, // Time-out interval
IntPtr pipeSecurityAttributes // Security Attributes
);
public static extern bool SetNamedPipeHandleState(
IntPtr hHandle,
ref PipeMode lpMode,
IntPtr lpMaxCollectionCount,
IntPtr lpCollectDataTimeout);
public void KeyDown(KeyEventArgs key)
{
double radiusStep = PipeStep;
switch (key.KeyCode)
{
case Constants.IncreaseBig:
radiusStep *= 10;
goto case Constants.Increase;
case Constants.Increase:
if (Keyboard.IsKeyDown(Key.LeftCtrl))
{
switch (_pipeMode)
{
case PipeMode.NoApples:
break;
case PipeMode.ApplesDistance:
_appleDistance += AppleDistanceStep;
break;
case PipeMode.ApplesAmount:
_appleAmount++;
break;
}
}
else
{
_pipeRadius += radiusStep;
}
break;
case Constants.DecreaseBig:
radiusStep *= 10;
goto case Constants.Decrease;
case Constants.Decrease:
if (Keyboard.IsKeyDown(Key.LeftCtrl))
{
switch (_pipeMode)
{
case PipeMode.NoApples:
break;
case PipeMode.ApplesDistance:
if (_appleDistance > AppleDistanceStep)
{
_appleDistance -= AppleDistanceStep;
}
break;
case PipeMode.ApplesAmount:
if (_appleAmount > 1)
{
_appleAmount--;
}
break;
}
}
else if (_pipeRadius > radiusStep)
{
_pipeRadius -= radiusStep;
}
break;
case Keys.Space:
switch (_pipeMode)
{
case PipeMode.NoApples:
_pipeMode = PipeMode.ApplesDistance;
break;
case PipeMode.ApplesDistance:
_pipeMode = PipeMode.ApplesAmount;
break;
case PipeMode.ApplesAmount:
_pipeMode = PipeMode.NoApples;
break;
}
break;
}
if (CreatingPipe)
{
UpdatePipe(_pipeline);
}
UpdateHelp();
}
/// <inheritdoc /> public SafeFileHandle CreateNamedPipe(string lpName, PipeOpenMode dwOpenMode, PipeMode dwPipeMode, int nMaxInstances, int nOutBufferSize, int nInBufferSize, int nDefaultTimeout, IntPtr lpSecurityAttributes) => throw new NotImplementedException();
public static extern SafeObjectHandle CreateNamedPipe(
string lpName,
PipeAccessMode dwOpenMode,
PipeMode dwPipeMode,
int nMaxInstances,
int nOutBufferSize,
int nInBufferSize,
int nDefaultTimeOut,
SECURITY_ATTRIBUTES lpSecurityAttributes);
public static extern bool SetNamedPipeHandleState(
IntPtr hHandle,
ref PipeMode lpMode,
IntPtr lpMaxCollectionCount,
IntPtr lpCollectDataTimeout);
public NullablePipeMode(PipeMode value)
{
this.Value = value;
}
public static extern SafePipeHandle CreateNamedPipe(string pipeName, PipeOpenMode openMode, PipeMode pipeMode, int maxInstances, int outBufferSize, int inBufferSize, uint defaultTimeout);
public static extern bool SetNamedPipeHandleState(
SafePipeHandle hNamedPipe, ref PipeMode mode,
IntPtr maxCollectionCount, IntPtr collectDataTimeout);
public static extern unsafe SafeObjectHandle CreateNamedPipe(
string lpName,
PipeAccessMode dwOpenMode,
PipeMode dwPipeMode,
int nMaxInstances,
int nOutBufferSize,
int nInBufferSize,
int nDefaultTimeOut,
[Friendly(FriendlyFlags.In | FriendlyFlags.Optional)] SECURITY_ATTRIBUTES* lpSecurityAttributes);
public static extern SafePipeHandle CreateNamedPipe(string pipeName,
PipeOpenMode openMode, PipeMode pipeMode, int maxInstances,
int outBufferSize, int inBufferSize, uint defaultTimeout,
SECURITY_ATTRIBUTES securityAttributes);
static void PInvokeNativePipeClient()
{
/////////////////////////////////////////////////////////////////////
// Try to open a named pipe.
//
// Prepare the pipe name
String strPipeName = String.Format(@"\\{0}\pipe\{1}",
".", // Server name
"HelloWorld" // Pipe name
);
IntPtr hPipe;
while (true)
{
hPipe = PipeNative.CreateFile(
strPipeName, // Pipe name
FileDesiredAccess.GENERIC_READ | // Read and write access
FileDesiredAccess.GENERIC_WRITE,
FileShareMode.Zero, // No sharing
IntPtr.Zero, // Default security attributes
FileCreationDisposition.OPEN_EXISTING, // Opens existing pipe
0, // Default attributes
0); // No template file
// Break if the pipe handle is valid.
if (hPipe.ToInt32() != PipeNative.INVALID_HANDLE_VALUE)
{
break;
}
if (// Exit if an error other than ERROR_PIPE_BUSY occurs
PipeNative.GetLastError() != PipeNative.ERROR_PIPE_BUSY
||
// All pipe instances are busy, so wait for five seconds
!PipeNative.WaitNamedPipe(strPipeName, 5000))
{
Console.WriteLine("Unable to open named pipe {0} w/err 0x{1:X}",
strPipeName, PipeNative.GetLastError());
return;
}
}
Console.WriteLine("The named pipe, {0}, is connected.", strPipeName);
/////////////////////////////////////////////////////////////////////
// The pipe connected; change to message-read mode.
//
PipeMode mode = PipeMode.PIPE_READMODE_MESSAGE;
bool bResult = PipeNative.SetNamedPipeHandleState(
hPipe, ref mode, IntPtr.Zero, IntPtr.Zero);
if (!bResult)
{
Console.WriteLine("SetNamedPipeHandleState failed w/err 0x{0:X}",
PipeNative.GetLastError());
return;
}
/////////////////////////////////////////////////////////////////////
// Send a message to the pipe server and receive its response.
//
// A byte buffer of BUFFER_SIZE bytes. The buffer should be big
// enough for ONE request to the server.
string strMessage;
byte[] bRequest; // Client -> Server
uint cbBytesWritten, cbRequestBytes;
byte[] bReply = new byte[BUFFER_SIZE]; // Server -> Client
uint cbBytesRead, cbReplyBytes;
// Send one message to the pipe.
// '\0' is appended in the end because the client may be a native
// C++ program.
strMessage = "Default request from client\0";
bRequest = Encoding.Unicode.GetBytes(strMessage);
cbRequestBytes = (uint)bRequest.Length;
bResult = PipeNative.WriteFile( // Write to the pipe.
hPipe, // Handle of the pipe
bRequest, // Message to be written
cbRequestBytes, // Number of bytes to write
out cbBytesWritten, // Number of bytes written
IntPtr.Zero); // Not overlapped
if (!bResult /*Failed*/ || cbRequestBytes != cbBytesWritten /*Failed*/)
{
Console.WriteLine("WriteFile failed w/err 0x{0:X}",
PipeNative.GetLastError());
return;
}
Console.WriteLine("Sends {0} bytes; Message: \"{1}\"",
cbBytesWritten, strMessage.TrimEnd('\0'));
// Receive the response from the server.
cbReplyBytes = BUFFER_SIZE;
do
{
bResult = PipeNative.ReadFile( // Read from the pipe.
hPipe, // Handle of the pipe
bReply, // Buffer to receive the reply
cbReplyBytes, // Size of buffer
out cbBytesRead, // Number of bytes read
IntPtr.Zero); // Not overlapped
if (!bResult &&
PipeNative.GetLastError() != PipeNative.ERROR_MORE_DATA)
{
Console.WriteLine("ReadFile failed w/err 0x{0:X}",
PipeNative.GetLastError());
break;
}
strMessage = Encoding.Unicode.GetString(bReply).TrimEnd('\0');
Console.WriteLine("Receives {0} bytes; Message: \"{1}\"",
cbBytesRead, strMessage);
} while (!bResult); // Repeat loop if ERROR_MORE_DATA
/////////////////////////////////////////////////////////////////////
// Close the pipe.
//
PipeNative.CloseHandle(hPipe);
}
/// <summary>
/// P/Invoke the native APIs related to named pipe operations to connect
/// to the named pipe.
/// </summary>
public static void Run()
{
SafePipeHandle hNamedPipe = null;
try
{
// Try to open the named pipe identified by the pipe name.
while (true)
{
hNamedPipe = NativeMethod.CreateFile(
Program.FullPipeName, // Pipe name
FileDesiredAccess.GENERIC_READ | // Read access
FileDesiredAccess.GENERIC_WRITE, // Write access
FileShareMode.Zero, // No sharing
null, // Default security attributes
FileCreationDisposition.OPEN_EXISTING, // Opens existing pipe
0, // Default attributes
IntPtr.Zero // No template file
);
// If the pipe handle is opened successfully ...
if (!hNamedPipe.IsInvalid)
{
Console.WriteLine("The named pipe ({0}) is connected.",
Program.FullPipeName);
break;
}
// Exit if an error other than ERROR_PIPE_BUSY occurs.
if (Marshal.GetLastWin32Error() != ERROR_PIPE_BUSY)
{
throw new Win32Exception();
}
// All pipe instances are busy, so wait for 5 seconds.
if (!NativeMethod.WaitNamedPipe(Program.FullPipeName, 5000))
{
throw new Win32Exception();
}
}
// Set the read mode and the blocking mode of the named pipe. In
// this sample, we set data to be read from the pipe as a stream
// of messages.
PipeMode mode = PipeMode.PIPE_READMODE_MESSAGE;
if (!NativeMethod.SetNamedPipeHandleState(hNamedPipe, ref mode,
IntPtr.Zero, IntPtr.Zero))
{
throw new Win32Exception();
}
//
// Send a request from client to server.
//
string message = Program.RequestMessage;
byte[] bRequest = Encoding.Unicode.GetBytes(message);
int cbRequest = bRequest.Length, cbWritten;
if (!NativeMethod.WriteFile(
hNamedPipe, // Handle of the pipe
bRequest, // Message to be written
cbRequest, // Number of bytes to write
out cbWritten, // Number of bytes written
IntPtr.Zero // Not overlapped
))
{
throw new Win32Exception();
}
Console.WriteLine("Send {0} bytes to server: \"{1}\"",
cbWritten, message.TrimEnd('\0'));
//
// Receive a response from server.
//
bool finishRead = false;
do
{
byte[] bResponse = new byte[Program.BufferSize];
int cbResponse = bResponse.Length, cbRead;
finishRead = NativeMethod.ReadFile(
hNamedPipe, // Handle of the pipe
bResponse, // Buffer to receive data
cbResponse, // Size of buffer in bytes
out cbRead, // Number of bytes read
IntPtr.Zero // Not overlapped
);
if (!finishRead &&
Marshal.GetLastWin32Error() != ERROR_MORE_DATA)
{
throw new Win32Exception();
}
// Unicode-encode the received byte array and trim all the
// '\0' characters at the end.
message = Encoding.Unicode.GetString(bResponse).TrimEnd('\0');
Console.WriteLine("Receive {0} bytes from server: \"{1}\"",
cbRead, message);
}while (!finishRead); // Repeat loop if ERROR_MORE_DATA
}
catch (Exception ex)
{
Console.WriteLine("The client throws the error: {0}", ex.Message);
}
finally
{
if (hNamedPipe != null)
{
hNamedPipe.Close();
hNamedPipe = null;
}
}
}
public static extern SafeFileHandle CreateNamedPipe(string lpName, PipeOpenMode dwOpenMode, PipeMode dwPipeMode, uint nMaxInstances, uint nOutBufferSize, uint nInBufferSize, uint nDefaultTimeOut, IntPtr lpSecurityAttributes);
public static extern SafePipeHandle CreateNamedPipe(string pipeName, PipeOpenMode openMode, PipeMode pipeMode, int maxInstances, int outBufferSize, int inBufferSize, uint defaultTimeout, SECURITY_ATTRIBUTES securityAttributes);
public static extern bool GetNamedPipeHandleState(
SafeObjectHandle hNamedPipe,
out PipeMode lpState,
[In, Out] NullableUInt32 lpCurInstances,
[In, Out] NullableUInt32 lpMaxCollectionCount,
[In, Out] NullableUInt32 lpCollectDataTimeout,
StringBuilder lpUserName,
int nMaxUserNameSize);
public static extern bool SetNamedPipeHandleState(SafePipeHandle hNamedPipe, ref PipeMode mode, IntPtr maxCollectionCount, IntPtr collectDataTimeout);
public static extern unsafe bool GetNamedPipeHandleState(
SafeObjectHandle hNamedPipe,
out PipeMode lpState,
[Friendly(FriendlyFlags.Bidirectional | FriendlyFlags.Optional)] int* lpCurInstances,
[Friendly(FriendlyFlags.Bidirectional | FriendlyFlags.Optional)] int* lpMaxCollectionCount,
[Friendly(FriendlyFlags.Bidirectional | FriendlyFlags.Optional)] int* lpCollectDataTimeout,
StringBuilder lpUserName,
int nMaxUserNameSize);
public NullablePipeMode(PipeMode value)
{
this.Value = value;
}
