129 lines
3 KiB
C++
129 lines
3 KiB
C++
///////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Copyright (c) 2000, Microsoft Corp. All rights reserved.
|
|
//
|
|
// FILE
|
|
//
|
|
// counters.h
|
|
//
|
|
// SYNOPSIS
|
|
//
|
|
// Declares the classes SharedMemory and ProxyCounters.
|
|
//
|
|
// MODIFICATION HISTORY
|
|
//
|
|
// 02/16/2000 Original version.
|
|
//
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef COUNTERS_H
|
|
#define COUNTERS_H
|
|
#if _MSC_VER >= 1000
|
|
#pragma once
|
|
#endif
|
|
|
|
#include <iasinfo.h>
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// CLASS
|
|
//
|
|
// SharedMemory
|
|
//
|
|
// DESCRIPTION
|
|
//
|
|
// Simple wrapper around a shared memory segment.
|
|
//
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
class SharedMemory
|
|
{
|
|
public:
|
|
SharedMemory() throw ();
|
|
~SharedMemory() throw ()
|
|
{ close(); }
|
|
|
|
// Open a shared memory segment and reserve (but not commit) the specified
|
|
// number of bytes.
|
|
bool open(PCWSTR name, DWORD reserve) throw ();
|
|
|
|
// Close the mapping.
|
|
void close() throw ();
|
|
|
|
// Ensure that at least 'nbyte' bytes are committed. Returns 'true' if
|
|
// successful.
|
|
bool commit(DWORD nbyte) throw ();
|
|
|
|
// Returns the base address of the segment.
|
|
PVOID base() const throw ()
|
|
{ return view; }
|
|
|
|
private:
|
|
HANDLE fileMap;
|
|
PVOID view;
|
|
DWORD pageSize;
|
|
DWORD reserved; // Number of pages reserved.
|
|
DWORD committed; // Number of pages committed.
|
|
|
|
// Not implemented.
|
|
SharedMemory(SharedMemory&);
|
|
SharedMemory& operator=(SharedMemory&);
|
|
};
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// CLASS
|
|
//
|
|
// ProxyCounters
|
|
//
|
|
// DESCRIPTION
|
|
//
|
|
// Manages the PerfMon/SNMP counters for the RADIUS proxy.
|
|
//
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
class ProxyCounters
|
|
{
|
|
public:
|
|
ProxyCounters() throw ()
|
|
: stats(NULL), mutex(NULL), nbyte(0)
|
|
{ }
|
|
|
|
HRESULT FinalConstruct() throw ();
|
|
|
|
// Returns the entry for the RADIUS proxy counters.
|
|
RadiusProxyEntry& getProxyEntry() throw ()
|
|
{ return stats->peProxy; }
|
|
|
|
// Returns the entry for a give server, creating a new entry if necessary.
|
|
// Returns NULL if no more room is available in the shared memory segment.
|
|
RadiusRemoteServerEntry* getRemoteServerEntry(ULONG address) throw ();
|
|
|
|
// Update the counters.
|
|
void updateCounters(
|
|
RadiusPortType port,
|
|
RadiusEventType event,
|
|
RadiusRemoteServerEntry* server,
|
|
ULONG data
|
|
) throw ();
|
|
|
|
protected:
|
|
void lock() throw ()
|
|
{ WaitForSingleObject(mutex, INFINITE); }
|
|
void unlock() throw ()
|
|
{ ReleaseMutex(mutex); }
|
|
|
|
// Find an entry without creating a new one.
|
|
RadiusRemoteServerEntry* findRemoteServer(ULONG address) throw ();
|
|
|
|
private:
|
|
RadiusProxyStatistics* stats;
|
|
HANDLE mutex;
|
|
SharedMemory data;
|
|
DWORD nbyte; // Current size of the counter data.
|
|
|
|
// Not implemented.
|
|
ProxyCounters(ProxyCounters&);
|
|
ProxyCounters& operator=(ProxyCounters&);
|
|
};
|
|
|
|
#endif // COUNTERS_H
|