Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / whidbey / NetFxQFE / ndp / fx / src / Net / System / Net / _NetworkingPerfCounters.cs / 1 / _NetworkingPerfCounters.cs
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
namespace System.Net {
using System;
using System.Reflection;
using System.Net.Sockets;
using System.Diagnostics;
using System.Security.Permissions;
using System.ComponentModel;
using System.Globalization;
using System.Text;
//
// This implementation uses the PerformanceCounter object defined in
// System.Diagnostics, too bad it doesn't work 'cause the runtime defines
// the counter and doesn't expose the API
//
internal static class NetworkingPerfCounters {
private static PerformanceCounter
ConnectionsEstablished,
BytesReceived,
BytesSent,
DatagramsReceived,
DatagramsSent;
private static PerformanceCounter
globalConnectionsEstablished,
globalBytesReceived,
globalBytesSent,
globalDatagramsReceived,
globalDatagramsSent;
private const string CategoryName = ".NET CLR Networking";
private const string ConnectionsEstablishedName = "Connections Established";
private const string BytesReceivedName = "Bytes Received";
private const string BytesSentName = "Bytes Sent";
private const string DatagramsReceivedName = "Datagrams Received";
private const string DatagramsSentName = "Datagrams Sent";
private const string GlobalInstanceName = "_Global_";
private static object syncObject = new object();
private static bool initialized = false;
internal static void Initialize() {
if(!initialized){
lock(syncObject){
if(!initialized){
//
// on Win9x you have no PerfCounters
// on NT4 PerfCounters are not writable
//
if (ComNetOS.IsWin2K) {
//
// this is an internal class, we need to update performance counters
// on behalf of the user to log perf data on network activity
//
// <
PerformanceCounterPermission perfCounterPermission = new PerformanceCounterPermission(PermissionState.Unrestricted);
perfCounterPermission.Assert();
try {
//
// create the counters, this will check for the right permissions (false)
// means the counter is not readonly (it's read/write) and cache them while
// we're under the Assert(), which will be reverted in the finally below.
//
// Changed due to a recent Whidbey DCR to fix spinlock issues. To get the new behavior, we have to use the
// default constructor and set the properties inidividually
// #498527
string instanceName = GetInstanceName();
ConnectionsEstablished = new PerformanceCounter();
ConnectionsEstablished.CategoryName = CategoryName;
ConnectionsEstablished.CounterName = ConnectionsEstablishedName;
ConnectionsEstablished.InstanceName = instanceName;
ConnectionsEstablished.InstanceLifetime = PerformanceCounterInstanceLifetime.Process;
ConnectionsEstablished.ReadOnly = false;
ConnectionsEstablished.RawValue = 0;
BytesReceived = new PerformanceCounter();
BytesReceived.CategoryName = CategoryName;
BytesReceived.CounterName = BytesReceivedName;
BytesReceived.InstanceName = instanceName;
BytesReceived.InstanceLifetime = PerformanceCounterInstanceLifetime.Process;
BytesReceived.ReadOnly = false;
BytesReceived.RawValue = 0;
BytesSent = new PerformanceCounter();
BytesSent.CategoryName = CategoryName;
BytesSent.CounterName = BytesSentName;
BytesSent.InstanceName = instanceName;
BytesSent.InstanceLifetime = PerformanceCounterInstanceLifetime.Process;
BytesSent.ReadOnly = false;
BytesSent.RawValue = 0;
DatagramsReceived = new PerformanceCounter();
DatagramsReceived.CategoryName = CategoryName;
DatagramsReceived.CounterName = DatagramsReceivedName;
DatagramsReceived.InstanceName = instanceName;
DatagramsReceived.InstanceLifetime = PerformanceCounterInstanceLifetime.Process;
DatagramsReceived.ReadOnly = false;
DatagramsReceived.RawValue = 0;
DatagramsSent = new PerformanceCounter();
DatagramsSent.CategoryName = CategoryName;
DatagramsSent.CounterName = DatagramsSentName;
DatagramsSent.InstanceName = instanceName;
DatagramsSent.InstanceLifetime = PerformanceCounterInstanceLifetime.Process;
DatagramsSent.ReadOnly = false;
DatagramsSent.RawValue = 0;
//
// Get a handle onto the global ones too. Do not reset to zero.
//
globalConnectionsEstablished = new PerformanceCounter(CategoryName, ConnectionsEstablishedName, GlobalInstanceName, false);
globalBytesReceived = new PerformanceCounter(CategoryName, BytesReceivedName, GlobalInstanceName, false);
globalBytesSent = new PerformanceCounter(CategoryName, BytesSentName, GlobalInstanceName, false);
globalDatagramsReceived = new PerformanceCounter(CategoryName, DatagramsReceivedName, GlobalInstanceName, false);
globalDatagramsSent = new PerformanceCounter(CategoryName, DatagramsSentName, GlobalInstanceName, false);
AppDomain.CurrentDomain.DomainUnload += new EventHandler(ExitOrUnloadEventHandler);
AppDomain.CurrentDomain.ProcessExit += new EventHandler(ExitOrUnloadEventHandler);
AppDomain.CurrentDomain.UnhandledException += new UnhandledExceptionEventHandler(ExceptionEventHandler);
}
catch (Win32Exception exception) {
GlobalLog.Print("NetworkingPerfCounters::NetworkingPerfCounters() caught exception:" + exception);
}
catch (InvalidOperationException exception) {
GlobalLog.Print("NetworkingPerfCounters::NetworkingPerfCounters() caught exception:" + exception);
}
finally {
PerformanceCounterPermission.RevertAssert();
}
}
initialized = true;
}
}
}
}
private static void ExceptionEventHandler (object sender, UnhandledExceptionEventArgs e) {
if (e.IsTerminating) {
Cleanup();
}
}
private static void ExitOrUnloadEventHandler(object sender, EventArgs e) {
Cleanup();
}
private static void Cleanup() {
PerformanceCounter performanceCounter;
performanceCounter = ConnectionsEstablished;
if (performanceCounter!=null) {
performanceCounter.RemoveInstance();
}
performanceCounter = BytesReceived;
if (performanceCounter!=null) {
performanceCounter.RemoveInstance();
}
performanceCounter = BytesSent;
if (performanceCounter!=null) {
performanceCounter.RemoveInstance();
}
performanceCounter = DatagramsReceived;
if (performanceCounter!=null) {
performanceCounter.RemoveInstance();
}
performanceCounter = DatagramsSent;
if (performanceCounter!=null) {
performanceCounter.RemoveInstance();
}
// No need to clean up the global ones.
}
[FileIOPermission(SecurityAction.Assert, Unrestricted = true)]
private static string GetAssemblyName() {
string result = null;
Assembly assembly = Assembly.GetEntryAssembly();
if (assembly!=null) {
AssemblyName name = assembly.GetName();
if (name!=null) {
result = name.Name;
}
}
return result;
}
[SecurityPermission(SecurityAction.Assert, Unrestricted = true)]
private static string GetInstanceName() {
string result = null;
string instanceName = GetAssemblyName();
if (instanceName==null || instanceName.Length==0) {
instanceName = AppDomain.CurrentDomain.FriendlyName;
}
StringBuilder instanceBuilder = new StringBuilder(instanceName);
for (int i = 0; i < instanceBuilder.Length; i++)
{
switch (instanceBuilder[i])
{
case '(':
instanceBuilder[i] = '[';
break;
case ')':
instanceBuilder[i] = ']';
break;
case '/':
case '\\':
case '#':
instanceBuilder[i] = '_';
break;
}
}
result = string.Format(CultureInfo.CurrentCulture, "{0}[{1}]", instanceBuilder.ToString(), Process.GetCurrentProcess().Id);
return result;
}
internal static void IncrementConnectionsEstablished() {
if (ConnectionsEstablished != null) {
ConnectionsEstablished.Increment();
}
if (globalConnectionsEstablished != null)
{
globalConnectionsEstablished.Increment();
GlobalLog.Print("NetworkingPerfCounters::IncrementConnectionsEstablished()");
}
}
internal static void AddBytesReceived(int increment) {
if (BytesReceived != null) {
BytesReceived.IncrementBy(increment);
}
if (globalBytesReceived != null)
{
globalBytesReceived.IncrementBy(increment);
GlobalLog.Print("NetworkingPerfCounters::AddBytesReceived(" + increment.ToString() + ")");
}
}
internal static void AddBytesSent(int increment) {
if (BytesSent != null) {
BytesSent.IncrementBy(increment);
}
if (globalBytesSent != null)
{
globalBytesSent.IncrementBy(increment);
GlobalLog.Print("NetworkingPerfCounters::AddBytesSent(" + increment.ToString() + ")");
}
}
internal static void IncrementDatagramsReceived() {
if (DatagramsReceived != null) {
DatagramsReceived.Increment();
}
if (globalDatagramsReceived != null)
{
globalDatagramsReceived.Increment();
GlobalLog.Print("NetworkingPerfCounters::IncrementDatagramsReceived()");
}
}
internal static void IncrementDatagramsSent() {
if (DatagramsSent != null) {
DatagramsSent.Increment();
}
if (globalDatagramsSent != null)
{
globalDatagramsSent.Increment();
GlobalLog.Print("NetworkingPerfCounters::IncrementDatagramsSent()");
}
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
namespace System.Net {
using System;
using System.Reflection;
using System.Net.Sockets;
using System.Diagnostics;
using System.Security.Permissions;
using System.ComponentModel;
using System.Globalization;
using System.Text;
//
// This implementation uses the PerformanceCounter object defined in
// System.Diagnostics, too bad it doesn't work 'cause the runtime defines
// the counter and doesn't expose the API
//
internal static class NetworkingPerfCounters {
private static PerformanceCounter
ConnectionsEstablished,
BytesReceived,
BytesSent,
DatagramsReceived,
DatagramsSent;
private static PerformanceCounter
globalConnectionsEstablished,
globalBytesReceived,
globalBytesSent,
globalDatagramsReceived,
globalDatagramsSent;
private const string CategoryName = ".NET CLR Networking";
private const string ConnectionsEstablishedName = "Connections Established";
private const string BytesReceivedName = "Bytes Received";
private const string BytesSentName = "Bytes Sent";
private const string DatagramsReceivedName = "Datagrams Received";
private const string DatagramsSentName = "Datagrams Sent";
private const string GlobalInstanceName = "_Global_";
private static object syncObject = new object();
private static bool initialized = false;
internal static void Initialize() {
if(!initialized){
lock(syncObject){
if(!initialized){
//
// on Win9x you have no PerfCounters
// on NT4 PerfCounters are not writable
//
if (ComNetOS.IsWin2K) {
//
// this is an internal class, we need to update performance counters
// on behalf of the user to log perf data on network activity
//
// <
PerformanceCounterPermission perfCounterPermission = new PerformanceCounterPermission(PermissionState.Unrestricted);
perfCounterPermission.Assert();
try {
//
// create the counters, this will check for the right permissions (false)
// means the counter is not readonly (it's read/write) and cache them while
// we're under the Assert(), which will be reverted in the finally below.
//
// Changed due to a recent Whidbey DCR to fix spinlock issues. To get the new behavior, we have to use the
// default constructor and set the properties inidividually
// #498527
string instanceName = GetInstanceName();
ConnectionsEstablished = new PerformanceCounter();
ConnectionsEstablished.CategoryName = CategoryName;
ConnectionsEstablished.CounterName = ConnectionsEstablishedName;
ConnectionsEstablished.InstanceName = instanceName;
ConnectionsEstablished.InstanceLifetime = PerformanceCounterInstanceLifetime.Process;
ConnectionsEstablished.ReadOnly = false;
ConnectionsEstablished.RawValue = 0;
BytesReceived = new PerformanceCounter();
BytesReceived.CategoryName = CategoryName;
BytesReceived.CounterName = BytesReceivedName;
BytesReceived.InstanceName = instanceName;
BytesReceived.InstanceLifetime = PerformanceCounterInstanceLifetime.Process;
BytesReceived.ReadOnly = false;
BytesReceived.RawValue = 0;
BytesSent = new PerformanceCounter();
BytesSent.CategoryName = CategoryName;
BytesSent.CounterName = BytesSentName;
BytesSent.InstanceName = instanceName;
BytesSent.InstanceLifetime = PerformanceCounterInstanceLifetime.Process;
BytesSent.ReadOnly = false;
BytesSent.RawValue = 0;
DatagramsReceived = new PerformanceCounter();
DatagramsReceived.CategoryName = CategoryName;
DatagramsReceived.CounterName = DatagramsReceivedName;
DatagramsReceived.InstanceName = instanceName;
DatagramsReceived.InstanceLifetime = PerformanceCounterInstanceLifetime.Process;
DatagramsReceived.ReadOnly = false;
DatagramsReceived.RawValue = 0;
DatagramsSent = new PerformanceCounter();
DatagramsSent.CategoryName = CategoryName;
DatagramsSent.CounterName = DatagramsSentName;
DatagramsSent.InstanceName = instanceName;
DatagramsSent.InstanceLifetime = PerformanceCounterInstanceLifetime.Process;
DatagramsSent.ReadOnly = false;
DatagramsSent.RawValue = 0;
//
// Get a handle onto the global ones too. Do not reset to zero.
//
globalConnectionsEstablished = new PerformanceCounter(CategoryName, ConnectionsEstablishedName, GlobalInstanceName, false);
globalBytesReceived = new PerformanceCounter(CategoryName, BytesReceivedName, GlobalInstanceName, false);
globalBytesSent = new PerformanceCounter(CategoryName, BytesSentName, GlobalInstanceName, false);
globalDatagramsReceived = new PerformanceCounter(CategoryName, DatagramsReceivedName, GlobalInstanceName, false);
globalDatagramsSent = new PerformanceCounter(CategoryName, DatagramsSentName, GlobalInstanceName, false);
AppDomain.CurrentDomain.DomainUnload += new EventHandler(ExitOrUnloadEventHandler);
AppDomain.CurrentDomain.ProcessExit += new EventHandler(ExitOrUnloadEventHandler);
AppDomain.CurrentDomain.UnhandledException += new UnhandledExceptionEventHandler(ExceptionEventHandler);
}
catch (Win32Exception exception) {
GlobalLog.Print("NetworkingPerfCounters::NetworkingPerfCounters() caught exception:" + exception);
}
catch (InvalidOperationException exception) {
GlobalLog.Print("NetworkingPerfCounters::NetworkingPerfCounters() caught exception:" + exception);
}
finally {
PerformanceCounterPermission.RevertAssert();
}
}
initialized = true;
}
}
}
}
private static void ExceptionEventHandler (object sender, UnhandledExceptionEventArgs e) {
if (e.IsTerminating) {
Cleanup();
}
}
private static void ExitOrUnloadEventHandler(object sender, EventArgs e) {
Cleanup();
}
private static void Cleanup() {
PerformanceCounter performanceCounter;
performanceCounter = ConnectionsEstablished;
if (performanceCounter!=null) {
performanceCounter.RemoveInstance();
}
performanceCounter = BytesReceived;
if (performanceCounter!=null) {
performanceCounter.RemoveInstance();
}
performanceCounter = BytesSent;
if (performanceCounter!=null) {
performanceCounter.RemoveInstance();
}
performanceCounter = DatagramsReceived;
if (performanceCounter!=null) {
performanceCounter.RemoveInstance();
}
performanceCounter = DatagramsSent;
if (performanceCounter!=null) {
performanceCounter.RemoveInstance();
}
// No need to clean up the global ones.
}
[FileIOPermission(SecurityAction.Assert, Unrestricted = true)]
private static string GetAssemblyName() {
string result = null;
Assembly assembly = Assembly.GetEntryAssembly();
if (assembly!=null) {
AssemblyName name = assembly.GetName();
if (name!=null) {
result = name.Name;
}
}
return result;
}
[SecurityPermission(SecurityAction.Assert, Unrestricted = true)]
private static string GetInstanceName() {
string result = null;
string instanceName = GetAssemblyName();
if (instanceName==null || instanceName.Length==0) {
instanceName = AppDomain.CurrentDomain.FriendlyName;
}
StringBuilder instanceBuilder = new StringBuilder(instanceName);
for (int i = 0; i < instanceBuilder.Length; i++)
{
switch (instanceBuilder[i])
{
case '(':
instanceBuilder[i] = '[';
break;
case ')':
instanceBuilder[i] = ']';
break;
case '/':
case '\\':
case '#':
instanceBuilder[i] = '_';
break;
}
}
result = string.Format(CultureInfo.CurrentCulture, "{0}[{1}]", instanceBuilder.ToString(), Process.GetCurrentProcess().Id);
return result;
}
internal static void IncrementConnectionsEstablished() {
if (ConnectionsEstablished != null) {
ConnectionsEstablished.Increment();
}
if (globalConnectionsEstablished != null)
{
globalConnectionsEstablished.Increment();
GlobalLog.Print("NetworkingPerfCounters::IncrementConnectionsEstablished()");
}
}
internal static void AddBytesReceived(int increment) {
if (BytesReceived != null) {
BytesReceived.IncrementBy(increment);
}
if (globalBytesReceived != null)
{
globalBytesReceived.IncrementBy(increment);
GlobalLog.Print("NetworkingPerfCounters::AddBytesReceived(" + increment.ToString() + ")");
}
}
internal static void AddBytesSent(int increment) {
if (BytesSent != null) {
BytesSent.IncrementBy(increment);
}
if (globalBytesSent != null)
{
globalBytesSent.IncrementBy(increment);
GlobalLog.Print("NetworkingPerfCounters::AddBytesSent(" + increment.ToString() + ")");
}
}
internal static void IncrementDatagramsReceived() {
if (DatagramsReceived != null) {
DatagramsReceived.Increment();
}
if (globalDatagramsReceived != null)
{
globalDatagramsReceived.Increment();
GlobalLog.Print("NetworkingPerfCounters::IncrementDatagramsReceived()");
}
}
internal static void IncrementDatagramsSent() {
if (DatagramsSent != null) {
DatagramsSent.Increment();
}
if (globalDatagramsSent != null)
{
globalDatagramsSent.Increment();
GlobalLog.Print("NetworkingPerfCounters::IncrementDatagramsSent()");
}
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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