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Copy pathEnvironment_WIN32.cpp
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//
// Environment_WIN32.cpp
//
// $Id: //poco/1.4/Foundation/src/Environment_WIN32.cpp#2 $
//
// Library: Foundation
// Package: Core
// Module: Environment
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#include "Poco/Environment_WIN32.h"
#include "Poco/Exception.h"
#include <sstream>
#include <cstring>
#include "Poco/UnWindows.h"
#include <iphlpapi.h>
namespace Poco {
std::string EnvironmentImpl::getImpl(const std::string& name)
{
DWORD len = GetEnvironmentVariableA(name.c_str(), 0, 0);
if (len == 0) throw NotFoundException(name);
char* buffer = new char[len];
GetEnvironmentVariableA(name.c_str(), buffer, len);
std::string result(buffer);
delete [] buffer;
return result;
}
bool EnvironmentImpl::hasImpl(const std::string& name)
{
DWORD len = GetEnvironmentVariableA(name.c_str(), 0, 0);
return len > 0;
}
void EnvironmentImpl::setImpl(const std::string& name, const std::string& value)
{
if (SetEnvironmentVariableA(name.c_str(), value.c_str()) == 0)
{
std::string msg = "cannot set environment variable: ";
msg.append(name);
throw SystemException(msg);
}
}
std::string EnvironmentImpl::osNameImpl()
{
OSVERSIONINFO vi;
vi.dwOSVersionInfoSize = sizeof(vi);
if (GetVersionEx(&vi) == 0) throw SystemException("Cannot get OS version information");
switch (vi.dwPlatformId)
{
case VER_PLATFORM_WIN32s:
return "Windows 3.x";
case VER_PLATFORM_WIN32_WINDOWS:
return vi.dwMinorVersion == 0 ? "Windows 95" : "Windows 98";
case VER_PLATFORM_WIN32_NT:
return "Windows NT";
default:
return "Unknown";
}
}
std::string EnvironmentImpl::osDisplayNameImpl()
{
OSVERSIONINFO vi;
vi.dwOSVersionInfoSize = sizeof(vi);
if (GetVersionEx(&vi) == 0) throw SystemException("Cannot get OS version information");
switch(vi.dwMajorVersion)
{
case 6:
switch (vi.dwMinorVersion)
{
case 0:
return "Windows Vista/Server 2008";
case 1:
return "Windows 7/Server 2008 R2";
case 2:
return "Windows 8/Server 2012";
default:
return "Unknown";
}
case 5:
switch (vi.dwMinorVersion)
{
case 0:
return "Windows 2000";
case 1:
return "Windows XP";
case 2:
return "Windows Server 2003/Windows Server 2003 R2";
default:
return "Unknown";
}
case 4:
switch (vi.dwMinorVersion)
{
case 0:
return "Windows 95/Windows NT 4.0";
case 10:
return "Windows 98";
case 90:
return "Windows ME";
default:
return "Unknown";
}
default:
return "Unknown";
}
}
std::string EnvironmentImpl::osVersionImpl()
{
OSVERSIONINFO vi;
vi.dwOSVersionInfoSize = sizeof(vi);
if (GetVersionEx(&vi) == 0) throw SystemException("Cannot get OS version information");
std::ostringstream str;
str << vi.dwMajorVersion << "." << vi.dwMinorVersion << " (Build " << (vi.dwBuildNumber & 0xFFFF);
if (vi.szCSDVersion[0]) str << ": " << vi.szCSDVersion;
str << ")";
return str.str();
}
std::string EnvironmentImpl::osArchitectureImpl()
{
SYSTEM_INFO si;
GetSystemInfo(&si);
switch (si.wProcessorArchitecture)
{
case PROCESSOR_ARCHITECTURE_INTEL:
return "IA32";
case PROCESSOR_ARCHITECTURE_MIPS:
return "MIPS";
case PROCESSOR_ARCHITECTURE_ALPHA:
return "ALPHA";
case PROCESSOR_ARCHITECTURE_PPC:
return "PPC";
case PROCESSOR_ARCHITECTURE_IA64:
return "IA64";
#ifdef PROCESSOR_ARCHITECTURE_IA32_ON_WIN64
case PROCESSOR_ARCHITECTURE_IA32_ON_WIN64:
return "IA64/32";
#endif
#ifdef PROCESSOR_ARCHITECTURE_AMD64
case PROCESSOR_ARCHITECTURE_AMD64:
return "AMD64";
#endif
default:
return "Unknown";
}
}
std::string EnvironmentImpl::nodeNameImpl()
{
char name[MAX_COMPUTERNAME_LENGTH + 1];
DWORD size = sizeof(name);
if (GetComputerNameA(name, &size) == 0) throw SystemException("Cannot get computer name");
return std::string(name);
}
void EnvironmentImpl::nodeIdImpl(NodeId& id)
{
std::memset(&id, 0, sizeof(id));
PIP_ADAPTER_INFO pAdapterInfo;
PIP_ADAPTER_INFO pAdapter = 0;
ULONG len = sizeof(IP_ADAPTER_INFO);
pAdapterInfo = reinterpret_cast<IP_ADAPTER_INFO*>(new char[len]);
// Make an initial call to GetAdaptersInfo to get
// the necessary size into len
DWORD rc = GetAdaptersInfo(pAdapterInfo, &len);
if (rc == ERROR_BUFFER_OVERFLOW)
{
delete [] reinterpret_cast<char*>(pAdapterInfo);
pAdapterInfo = reinterpret_cast<IP_ADAPTER_INFO*>(new char[len]);
}
else if (rc != ERROR_SUCCESS)
{
return;
}
if (GetAdaptersInfo(pAdapterInfo, &len) == NO_ERROR)
{
pAdapter = pAdapterInfo;
bool found = false;
while (pAdapter && !found)
{
if (pAdapter->Type == MIB_IF_TYPE_ETHERNET && pAdapter->AddressLength == sizeof(id))
{
found = true;
std::memcpy(&id, pAdapter->Address, pAdapter->AddressLength);
}
pAdapter = pAdapter->Next;
}
}
delete [] reinterpret_cast<char*>(pAdapterInfo);
}
unsigned EnvironmentImpl::processorCountImpl()
{
SYSTEM_INFO si;
GetSystemInfo(&si);
return si.dwNumberOfProcessors;
}
} // namespace Poco