本文整理汇总了C++中StringBuilder::push_back方法的典型用法代码示例。如果您正苦于以下问题：C++ StringBuilder::push_back方法的具体用法？C++ StringBuilder::push_back怎么用？C++ StringBuilder::push_back使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类StringBuilder的用法示例。
在下文中一共展示了StringBuilder::push_back方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: ProcessDiskInfo
void ProcessDiskInfo(wstring apiKey, wstring envKey, SOCKET socketHandle, sockaddr_in remoteServAddr, int interval)
{
StringBuilder sb;
int sleepTime = interval * 1000;
wchar_t driveLetter[_MAX_PATH + 1];
HRESULT hr;
ULARGE_INTEGER freeBytesAvailable;
ULARGE_INTEGER totalNumberOfBytes;
ULARGE_INTEGER totalNumberOfFreeBytes;
while (true)
{
if (g_servicePaused == FALSE)
{
sb.clear();
sb.push_back(L"{");
sb.push_back(L"\"" + StorageInfo::Members::disk + L"\":");
sb.push_back(L"[");
DWORD dwNeedLength = ::GetLogicalDriveStrings(0, NULL);
wchar_t *pWchBuf = nullptr;
wchar_t *pHead = nullptr;
do
{
if (dwNeedLength != 0)
{
pWchBuf = new wchar_t[dwNeedLength + 1];
if (pWchBuf == nullptr)
{
break;
}
pHead = pWchBuf;
DWORD dwResult = ::GetLogicalDriveStrings(dwNeedLength, pWchBuf);
while (dwResult > 0)
{
hr = StringCchPrintf(driveLetter, _MAX_PATH, L"%s", pWchBuf);
if (FAILED(hr) == TRUE)
{
break;
}
int length = wcslen(driveLetter) + 1;
if (length < 2)
{
break;
}
dwResult -= length;
pWchBuf += length;
if (::GetDiskFreeSpaceEx(driveLetter, &freeBytesAvailable, &totalNumberOfBytes, &totalNumberOfFreeBytes) == FALSE)
{
break;
}
driveLetter[1] = '\0';
sb.push_back(L"{ \"" + DiskInfo::Members::name + L"\": \"");
sb.push_back(driveLetter);
sb.push_back(L"\", ");
sb.push_back(L"\"" + DiskInfo::Members::size + L"\": ");
sb.push_back((__int64)totalNumberOfBytes.QuadPart);
sb.push_back(L", ");
sb.push_back(L"\"" + DiskInfo::Members::current + L"\": ");
sb.push_back((__int64)(totalNumberOfBytes.QuadPart - totalNumberOfFreeBytes.QuadPart));
sb.push_back(L"}");
if (dwResult > 0)
{
sb.push_back(L",");
}
}
}
} while (false);
if (pHead != nullptr)
{
delete[] pHead;
}
sb.push_back(L"],");
sb.push_back(L"\"" + PacketBase::Members::groupKey + L"\":");
sb.push_back(L"\"");
sb.push_back(apiKey);
sb.push_back(L"\",");
sb.push_back(L"\"" + PacketBase::Members::machineId + L"\":");
sb.push_back(L"\"");
sb.push_back(envKey);
//.........这里部分代码省略.........
示例2: DoRegistration
void DoRegistration(wstring apiKey, wstring envKey, string remoteServAddr, int port, vector<int> intervalTimes)
{
OutputConsole(L"Installing Service...\n");
DoUnregistration();
SC_HANDLE scm = OpenSCManager(0, 0, SC_MANAGER_CREATE_SERVICE);
if (!scm)
{
OutputError(L"OpenSCManager fails! (%d)\n", GetLastError());
return;
}
SC_HANDLE myService = NULL;
HKEY hkey = NULL;
wchar_t *pBuf = nullptr;
do
{
wstring filePath = g_moduleFilePath;
wchar_t safeFilePath[MAX_PATH];
StringCchPrintf(safeFilePath, MAX_PATH, L"\"%s\"", filePath.c_str());
OutputConsole(L"Opened Service Control Manager...\n");
myService = CreateService(
scm, SERVICE_NAME, // the internal service name used by the SCM
L"StrawAgent Service", // the external label seen in the Service Control applet
SERVICE_ALL_ACCESS, // We want full access to control the service
SERVICE_WIN32_OWN_PROCESS, // The service is a single app and not a driver
SERVICE_AUTO_START, // The service will be started by us manually
SERVICE_ERROR_NORMAL, // If error during service start, don't misbehave.
safeFilePath,
0, 0, 0, 0, 0);
if (!myService)
{
OutputError(L"CreateService fails! (%d)\n", GetLastError());
break;
}
wchar_t szBuffer[MAX_PATH] = { 0 };
StringBuilder sb;
sb.push_back(L"asNTservice=1");
sb.push_back(L"apiKey=" + apiKey);
sb.push_back(L"envKey=" + envKey);
sb.push_back("server=" + remoteServAddr);
StringCchPrintf(szBuffer, MAX_PATH, L"port=%d", port);
sb.push_back(szBuffer);
if (g_debugMode == TRUE)
{
sb.push_back(L"debug=1");
}
if (RegOpenKey(HKEY_LOCAL_MACHINE, REG_SERVICE, &hkey) != ERROR_SUCCESS)
{
OutputError(L"RegOpenKey fails! (%d)\n", GetLastError());
break;
}
int written = 0;
pBuf = sb.ToStringMultiLine(&written);
if (RegSetValueEx(hkey, L"Environment", 0, REG_MULTI_SZ, (const BYTE *)pBuf, written) != ERROR_SUCCESS)
{
OutputError(L"RegSetValueEx fails! (%d)\n", GetLastError());
break;
}
OutputConsole(L"Service successfully installed.\n");
} while (false);
if (pBuf != nullptr)
{
delete[] pBuf;
}
if (hkey != NULL)
{
RegCloseKey(hkey);
}
if (myService != NULL)
{
CloseServiceHandle(myService);
}
if (scm != NULL)
{
CloseServiceHandle(scm);
}
}示例3: ProcessCpuMemInfo
void ProcessCpuMemInfo(wstring apiKey, wstring envKey, SOCKET socketHandle, sockaddr_in remoteServAddr, int interval)
{
StringBuilder sb;
int sleepTime = interval * 1000;
while (true)
{
if (g_servicePaused == FALSE)
{
sb.clear();
sb.push_back(L"{");
{
sb.push_back(L"\"" + SystemInfo::Members::cpuUsage + L"\":");
sb.push_back(L"{");
{
float totalUsage = 0.0f;
sb.push_back(L"\"" + CpuInfo::Members::unit + L"\":[");
if (RetrieveCpuInfo(sb, &totalUsage) == false)
{
Sleep(1000);
continue;
}
sb.push_back(L"]");
wchar_t buf[40];
StringCchPrintf(buf, 40, L", \"%s\": %.2f", CpuInfo::Members::total.c_str(), totalUsage / 100);
sb.push_back(buf);
}
sb.push_back(L"},");
__int64 maxMemory;
__int64 currentUsage;
GetMemoryInfo(&maxMemory, ¤tUsage);
sb.push_back(L"\"" + SystemInfo::Members::memoryUsage + L"\":");
{
sb.push_back(L"{\"" + MemoryInfo::Members::max + L"\":");
sb.push_back(maxMemory);
sb.push_back(L", \"" + MemoryInfo::Members::current + L"\":");
sb.push_back(currentUsage);
sb.push_back(L"},");
}
sb.push_back(L"\"" + PacketBase::Members::groupKey + L"\":");
sb.push_back(L"\"");
sb.push_back(apiKey);
sb.push_back(L"\",");
sb.push_back(L"\"" + PacketBase::Members::machineId + L"\":");
sb.push_back(L"\"");
sb.push_back(envKey);
sb.push_back(L"\"");
}
sb.push_back(L"}");
SendToServer(socketHandle, remoteServAddr, sb);
if (g_isConsoleApp == TRUE)
{
printf(".");
}
}
if (::WaitForSingleObject(g_killServiceEvent, sleepTime) == WAIT_TIMEOUT)
{
continue;
}
#if defined(_DEBUG)
::OutputDebugString(L"ProcessCpuMemInfo-thread exited.");
#endif
break;
}
}