mirror of https://github.com/BOINC/boinc.git
197 lines
5.8 KiB
C++
197 lines
5.8 KiB
C++
// much of this code is public-domain
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//
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#include "boinc_win.h"
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#include "error_numbers.h"
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#include "diagnostics_win.h"
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#include "str_util.h"
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#include "str_replace.h"
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#include "procinfo.h"
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using std::vector;
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// NtQuerySystemInformation
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typedef NTSTATUS (WINAPI *tNTQSI)(
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ULONG SystemInformationClass,
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PVOID SystemInformation,
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ULONG SystemInformationLength,
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PULONG ReturnLength
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);
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static int get_process_information(PVOID* ppBuffer, PULONG pcbBuffer) {
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NTSTATUS Status = STATUS_INFO_LENGTH_MISMATCH;
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HANDLE hHeap = GetProcessHeap();
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HMODULE hNTDllLib = GetModuleHandle("ntdll.dll");
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tNTQSI pNTQSI = (tNTQSI)GetProcAddress(hNTDllLib, "NtQuerySystemInformation");
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ULONG cbBuffer = 0;
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while (1) {
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// Store the buffer size since it appears that somebody is monkeying around
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// with the return values on some systems.
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cbBuffer = *pcbBuffer;
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*ppBuffer = HeapAlloc(hHeap, HEAP_ZERO_MEMORY, *pcbBuffer);
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if (ppBuffer == NULL) {
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return ERR_MALLOC;
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}
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Status = pNTQSI(
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SystemProcessAndThreadInformation,
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*ppBuffer,
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*pcbBuffer,
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pcbBuffer
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);
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if (*pcbBuffer < cbBuffer) {
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// Somebody is trying to screw us up,
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// so set the value back to the cached size
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// so we can do something smart like increase the buffer size.
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*pcbBuffer = cbBuffer;
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}
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if (Status == STATUS_INFO_LENGTH_MISMATCH) {
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HeapFree(hHeap, NULL, *ppBuffer);
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*pcbBuffer *= 2;
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} else if (!NT_SUCCESS(Status)) {
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HeapFree(hHeap, NULL, *ppBuffer);
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return ERR_GETRUSAGE;
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} else {
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return 0;
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}
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}
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return 0; // never reached
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}
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// Note: the following will work on both NT and XP,
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// because the NT process structure differs only at the end
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//
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int get_procinfo_XP(vector<PROCINFO>& pi) {
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ULONG cbBuffer = 128*1024; // 128k initial buffer
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PVOID pBuffer = NULL;
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PSYSTEM_PROCESSES pProcesses = NULL;
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static DWORD pid = 0;
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if (!pid) {
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pid = GetCurrentProcessId();
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}
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#if 0
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printf("FILETIME: %d\n", sizeof(FILETIME));
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printf("LARGE_INTEGER: %d\n", sizeof(LARGE_INTEGER));
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printf("DWORD: %d\n", sizeof(DWORD));
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printf("UNICODE_STRING: %d\n", sizeof(UNICODE_STRING));
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printf("KPRIORITY: %d\n", sizeof(KPRIORITY));
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printf("ULONG: %d\n", sizeof(ULONG));
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printf("SIZE_T: %d\n", sizeof(SIZE_T));
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#endif
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get_process_information(&pBuffer, &cbBuffer);
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pProcesses = (PSYSTEM_PROCESSES)pBuffer;
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while (pProcesses) {
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PROCINFO p;
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p.id = pProcesses->ProcessId;
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p.parentid = pProcesses->InheritedFromProcessId;
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p.swap_size = pProcesses->VmCounters.PagefileUsage;
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p.working_set_size = pProcesses->VmCounters.WorkingSetSize;
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p.page_fault_count = pProcesses->VmCounters.PageFaultCount;
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p.user_time = ((double) pProcesses->UserTime.QuadPart)/1e7;
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p.kernel_time = ((double) pProcesses->KernelTime.QuadPart)/1e7;
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p.id = pProcesses->ProcessId;
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p.parentid = pProcesses->InheritedFromProcessId;
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WideCharToMultiByte(CP_ACP, 0,
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pProcesses->ProcessName.Buffer,
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pProcesses->ProcessName.Length,
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p.command,
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sizeof(p.command),
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NULL, NULL
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);
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p.is_boinc_app = (p.id == pid) || (strcasestr(p.command, "boinc") != NULL);
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#ifdef _GRIDREPUBLIC
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if (!strcmp(p.command, "gridrepublic.exe")) {
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p.is_boinc_app = true;
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}
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#endif
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#ifdef _PROGRESSTHRUPROCESSORS
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if (!strcmp(p.command, "progressthruprocessors.exe")) {
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p.is_boinc_app = true;
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}
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#endif
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pi.push_back(p);
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if (!pProcesses->NextEntryDelta) {
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break;
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}
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pProcesses = (PSYSTEM_PROCESSES)(((LPBYTE)pProcesses) + pProcesses->NextEntryDelta);
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}
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if (pBuffer) HeapFree(GetProcessHeap(), NULL, pBuffer);
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return 0;
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}
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// get a list of all running processes.
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//
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int procinfo_setup(vector<PROCINFO>& pi) {
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OSVERSIONINFO osvi;
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osvi.dwOSVersionInfoSize = sizeof(osvi);
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GetVersionEx(&osvi);
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pi.clear();
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switch(osvi.dwPlatformId) {
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case VER_PLATFORM_WIN32_WINDOWS:
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// Win95, Win98, WinME
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return 0; // not supported
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case VER_PLATFORM_WIN32_NT:
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return get_procinfo_XP(pi);
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}
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return 0;
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}
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// scan the process table from the given point,
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// adding in CPU time and mem usage
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//
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void add_proc_totals(
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PROCINFO& pi, vector<PROCINFO>& piv, int pid,
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char* graphics_exec_file, int start
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) {
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unsigned int i;
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for (i=start; i<piv.size(); i++) {
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PROCINFO& p = piv[i];
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if (p.id == pid || p.parentid == pid) {
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pi.kernel_time += p.kernel_time;
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pi.user_time += p.user_time;
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pi.swap_size += p.swap_size;
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pi.working_set_size += p.working_set_size;
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pi.page_fault_count += p.page_fault_count;
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p.is_boinc_app = true;
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}
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if (!strcmp(p.command, graphics_exec_file)) {
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p.is_boinc_app = true;
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}
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if (p.parentid == pid) {
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add_proc_totals(pi, piv, p.id, graphics_exec_file, i+1); // recursion - woo hoo!
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}
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}
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}
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// fill in the given PROCINFO (which initially is zero except for id)
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// with totals from that process and all its descendants
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//
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void procinfo_app(PROCINFO& pi, vector<PROCINFO>& piv, char* graphics_exec_file) {
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add_proc_totals(pi, piv, pi.id, graphics_exec_file, 0);
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}
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// get totals of all non-BOINC processes
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//
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void procinfo_other(PROCINFO& pi, vector<PROCINFO>& piv) {
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unsigned int i;
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memset(&pi, 0, sizeof(pi));
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for (i=0; i<piv.size(); i++) {
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PROCINFO& p = piv[i];
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if (!p.is_boinc_app && p.id != 0) { // PID 0 is idle process
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pi.kernel_time += p.kernel_time;
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pi.user_time += p.user_time;
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pi.swap_size += p.swap_size;
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pi.working_set_size += p.working_set_size;
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}
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}
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}
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