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Posted to commits@ambari.apache.org by sw...@apache.org on 2014/09/22 20:02:13 UTC
[03/22] AMBARI-5707. Metrics system prototype implementation. (swagle)
http://git-wip-us.apache.org/repos/asf/ambari/blob/865d187e/ambari-metrics/ambari-metrics-host-monitoring/src/main/python/psutil/psutil/_psutil_windows.c
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diff --git a/ambari-metrics/ambari-metrics-host-monitoring/src/main/python/psutil/psutil/_psutil_windows.c b/ambari-metrics/ambari-metrics-host-monitoring/src/main/python/psutil/psutil/_psutil_windows.c
new file mode 100644
index 0000000..6694389
--- /dev/null
+++ b/ambari-metrics/ambari-metrics-host-monitoring/src/main/python/psutil/psutil/_psutil_windows.c
@@ -0,0 +1,3241 @@
+/*
+ * Copyright (c) 2009, Jay Loden, Giampaolo Rodola'. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ *
+ * Windows platform-specific module methods for _psutil_windows
+ */
+
+// Fixes clash between winsock2.h and windows.h
+#define WIN32_LEAN_AND_MEAN
+
+#include <Python.h>
+#include <windows.h>
+#include <Psapi.h>
+#include <time.h>
+#include <lm.h>
+#include <WinIoCtl.h>
+#include <tchar.h>
+#include <tlhelp32.h>
+#include <winsock2.h>
+#include <iphlpapi.h>
+#include <wtsapi32.h>
+
+// Link with Iphlpapi.lib
+#pragma comment(lib, "IPHLPAPI.lib")
+
+#include "_psutil_windows.h"
+#include "_psutil_common.h"
+#include "arch/windows/security.h"
+#include "arch/windows/process_info.h"
+#include "arch/windows/process_handles.h"
+#include "arch/windows/ntextapi.h"
+
+#ifdef __MINGW32__
+#include "arch/windows/glpi.h"
+#endif
+
+/*
+ * Return a Python float representing the system uptime expressed in seconds
+ * since the epoch.
+ */
+static PyObject *
+psutil_boot_time(PyObject *self, PyObject *args)
+{
+ double uptime;
+ time_t pt;
+ FILETIME fileTime;
+ long long ll;
+
+ GetSystemTimeAsFileTime(&fileTime);
+
+ /*
+ HUGE thanks to:
+ http://johnstewien.spaces.live.com/blog/cns!E6885DB5CEBABBC8!831.entry
+
+ This function converts the FILETIME structure to the 32 bit
+ Unix time structure.
+ The time_t is a 32-bit value for the number of seconds since
+ January 1, 1970. A FILETIME is a 64-bit for the number of
+ 100-nanosecond periods since January 1, 1601. Convert by
+ subtracting the number of 100-nanosecond period betwee 01-01-1970
+ and 01-01-1601, from time_t the divide by 1e+7 to get to the same
+ base granularity.
+ */
+ ll = (((LONGLONG)(fileTime.dwHighDateTime)) << 32) \
+ + fileTime.dwLowDateTime;
+ pt = (time_t)((ll - 116444736000000000ull) / 10000000ull);
+
+ // XXX - By using GetTickCount() time will wrap around to zero if the
+ // system is run continuously for 49.7 days.
+ uptime = GetTickCount() / 1000.00f;
+ return Py_BuildValue("d", (double)pt - uptime);
+}
+
+
+/*
+ * Return 1 if PID exists in the current process list, else 0.
+ */
+static PyObject *
+psutil_pid_exists(PyObject *self, PyObject *args)
+{
+ long pid;
+ int status;
+
+ if (! PyArg_ParseTuple(args, "l", &pid)) {
+ return NULL;
+ }
+
+ status = psutil_pid_is_running(pid);
+ if (-1 == status) {
+ return NULL; // exception raised in psutil_pid_is_running()
+ }
+ return PyBool_FromLong(status);
+}
+
+
+/*
+ * Return a Python list of all the PIDs running on the system.
+ */
+static PyObject *
+psutil_pids(PyObject *self, PyObject *args)
+{
+ DWORD *proclist = NULL;
+ DWORD numberOfReturnedPIDs;
+ DWORD i;
+ PyObject *pid = NULL;
+ PyObject *retlist = PyList_New(0);
+
+ if (retlist == NULL) {
+ return NULL;
+ }
+ proclist = psutil_get_pids(&numberOfReturnedPIDs);
+ if (NULL == proclist) {
+ goto error;
+ }
+
+ for (i = 0; i < numberOfReturnedPIDs; i++) {
+ pid = Py_BuildValue("I", proclist[i]);
+ if (!pid)
+ goto error;
+ if (PyList_Append(retlist, pid))
+ goto error;
+ Py_DECREF(pid);
+ }
+
+ // free C array allocated for PIDs
+ free(proclist);
+ return retlist;
+
+error:
+ Py_XDECREF(pid);
+ Py_DECREF(retlist);
+ if (proclist != NULL)
+ free(proclist);
+ return NULL;
+}
+
+
+/*
+ * Kill a process given its PID.
+ */
+static PyObject *
+psutil_proc_kill(PyObject *self, PyObject *args)
+{
+ HANDLE hProcess;
+ long pid;
+
+ if (! PyArg_ParseTuple(args, "l", &pid)) {
+ return NULL;
+ }
+ if (pid == 0) {
+ return AccessDenied();
+ }
+
+ hProcess = OpenProcess(PROCESS_TERMINATE, FALSE, pid);
+ if (hProcess == NULL) {
+ if (GetLastError() == ERROR_INVALID_PARAMETER) {
+ // see http://code.google.com/p/psutil/issues/detail?id=24
+ NoSuchProcess();
+ }
+ else {
+ PyErr_SetFromWindowsErr(0);
+ }
+ return NULL;
+ }
+
+ // kill the process
+ if (! TerminateProcess(hProcess, 0)) {
+ PyErr_SetFromWindowsErr(0);
+ CloseHandle(hProcess);
+ return NULL;
+ }
+
+ CloseHandle(hProcess);
+ Py_INCREF(Py_None);
+ return Py_None;
+}
+
+
+/*
+ * Wait for process to terminate and return its exit code.
+ */
+static PyObject *
+psutil_proc_wait(PyObject *self, PyObject *args)
+{
+ HANDLE hProcess;
+ DWORD ExitCode;
+ DWORD retVal;
+ long pid;
+ long timeout;
+
+ if (! PyArg_ParseTuple(args, "ll", &pid, &timeout)) {
+ return NULL;
+ }
+ if (pid == 0) {
+ return AccessDenied();
+ }
+
+ hProcess = OpenProcess(SYNCHRONIZE | PROCESS_QUERY_INFORMATION,
+ FALSE, pid);
+ if (hProcess == NULL) {
+ if (GetLastError() == ERROR_INVALID_PARAMETER) {
+ // no such process; we do not want to raise NSP but
+ // return None instead.
+ Py_INCREF(Py_None);
+ return Py_None;
+ }
+ else {
+ PyErr_SetFromWindowsErr(0);
+ return NULL;
+ }
+ }
+
+ // wait until the process has terminated
+ Py_BEGIN_ALLOW_THREADS
+ retVal = WaitForSingleObject(hProcess, timeout);
+ Py_END_ALLOW_THREADS
+
+ if (retVal == WAIT_FAILED) {
+ CloseHandle(hProcess);
+ return PyErr_SetFromWindowsErr(GetLastError());
+ }
+ if (retVal == WAIT_TIMEOUT) {
+ CloseHandle(hProcess);
+ return Py_BuildValue("l", WAIT_TIMEOUT);
+ }
+
+ // get the exit code; note: subprocess module (erroneously?) uses
+ // what returned by WaitForSingleObject
+ if (GetExitCodeProcess(hProcess, &ExitCode) == 0) {
+ CloseHandle(hProcess);
+ return PyErr_SetFromWindowsErr(GetLastError());
+ }
+ CloseHandle(hProcess);
+#if PY_MAJOR_VERSION >= 3
+ return PyLong_FromLong((long) ExitCode);
+#else
+ return PyInt_FromLong((long) ExitCode);
+#endif
+}
+
+
+/*
+ * Return a Python tuple (user_time, kernel_time)
+ */
+static PyObject *
+psutil_proc_cpu_times(PyObject *self, PyObject *args)
+{
+ long pid;
+ HANDLE hProcess;
+ FILETIME ftCreate, ftExit, ftKernel, ftUser;
+
+ if (! PyArg_ParseTuple(args, "l", &pid)) {
+ return NULL;
+ }
+
+ hProcess = psutil_handle_from_pid(pid);
+ if (hProcess == NULL) {
+ return NULL;
+ }
+
+ if (! GetProcessTimes(hProcess, &ftCreate, &ftExit, &ftKernel, &ftUser)) {
+ CloseHandle(hProcess);
+ if (GetLastError() == ERROR_ACCESS_DENIED) {
+ // usually means the process has died so we throw a NoSuchProcess
+ // here
+ return NoSuchProcess();
+ }
+ else {
+ PyErr_SetFromWindowsErr(0);
+ return NULL;
+ }
+ }
+
+ CloseHandle(hProcess);
+
+ /*
+ * User and kernel times are represented as a FILETIME structure
+ * wich contains a 64-bit value representing the number of
+ * 100-nanosecond intervals since January 1, 1601 (UTC):
+ * http://msdn.microsoft.com/en-us/library/ms724284(VS.85).aspx
+ * To convert it into a float representing the seconds that the
+ * process has executed in user/kernel mode I borrowed the code
+ * below from Python's Modules/posixmodule.c
+ */
+ return Py_BuildValue(
+ "(dd)",
+ (double)(ftUser.dwHighDateTime * 429.4967296 + \
+ ftUser.dwLowDateTime * 1e-7),
+ (double)(ftKernel.dwHighDateTime * 429.4967296 + \
+ ftKernel.dwLowDateTime * 1e-7)
+ );
+}
+
+
+/*
+ * Alternative implementation of the one above but bypasses ACCESS DENIED.
+ */
+static PyObject *
+psutil_proc_cpu_times_2(PyObject *self, PyObject *args)
+{
+ DWORD pid;
+ PSYSTEM_PROCESS_INFORMATION process;
+ PVOID buffer;
+ double user, kernel;
+
+ if (! PyArg_ParseTuple(args, "l", &pid)) {
+ return NULL;
+ }
+ if (! psutil_get_proc_info(pid, &process, &buffer)) {
+ return NULL;
+ }
+ user = (double)process->UserTime.HighPart * 429.4967296 + \
+ (double)process->UserTime.LowPart * 1e-7;
+ kernel = (double)process->KernelTime.HighPart * 429.4967296 + \
+ (double)process->KernelTime.LowPart * 1e-7;
+ free(buffer);
+ return Py_BuildValue("(dd)", user, kernel);
+}
+
+
+/*
+ * Return a Python float indicating the process create time expressed in
+ * seconds since the epoch.
+ */
+static PyObject *
+psutil_proc_create_time(PyObject *self, PyObject *args)
+{
+ long pid;
+ long long unix_time;
+ DWORD exitCode;
+ HANDLE hProcess;
+ BOOL ret;
+ FILETIME ftCreate, ftExit, ftKernel, ftUser;
+
+ if (! PyArg_ParseTuple(args, "l", &pid)) {
+ return NULL;
+ }
+
+ // special case for PIDs 0 and 4, return system boot time
+ if (0 == pid || 4 == pid) {
+ return psutil_boot_time(NULL, NULL);
+ }
+
+ hProcess = psutil_handle_from_pid(pid);
+ if (hProcess == NULL) {
+ return NULL;
+ }
+
+ if (! GetProcessTimes(hProcess, &ftCreate, &ftExit, &ftKernel, &ftUser)) {
+ CloseHandle(hProcess);
+ if (GetLastError() == ERROR_ACCESS_DENIED) {
+ // usually means the process has died so we throw a
+ // NoSuchProcess here
+ return NoSuchProcess();
+ }
+ else {
+ PyErr_SetFromWindowsErr(0);
+ return NULL;
+ }
+ }
+
+ // Make sure the process is not gone as OpenProcess alone seems to be
+ // unreliable in doing so (it seems a previous call to p.wait() makes
+ // it unreliable).
+ // This check is important as creation time is used to make sure the
+ // process is still running.
+ ret = GetExitCodeProcess(hProcess, &exitCode);
+ CloseHandle(hProcess);
+ if (ret != 0) {
+ if (exitCode != STILL_ACTIVE) {
+ return NoSuchProcess();
+ }
+ }
+ else {
+ // Ignore access denied as it means the process is still alive.
+ // For all other errors, we want an exception.
+ if (GetLastError() != ERROR_ACCESS_DENIED) {
+ PyErr_SetFromWindowsErr(0);
+ return NULL;
+ }
+ }
+
+ /*
+ Convert the FILETIME structure to a Unix time.
+ It's the best I could find by googling and borrowing code here and there.
+ The time returned has a precision of 1 second.
+ */
+ unix_time = ((LONGLONG)ftCreate.dwHighDateTime) << 32;
+ unix_time += ftCreate.dwLowDateTime - 116444736000000000LL;
+ unix_time /= 10000000;
+ return Py_BuildValue("d", (double)unix_time);
+}
+
+
+/*
+ * Alternative implementation of the one above but bypasses ACCESS DENIED.
+ */
+static PyObject *
+psutil_proc_create_time_2(PyObject *self, PyObject *args)
+{
+ DWORD pid;
+ PSYSTEM_PROCESS_INFORMATION process;
+ PVOID buffer;
+ long long unix_time;
+
+ if (! PyArg_ParseTuple(args, "l", &pid)) {
+ return NULL;
+ }
+ if (! psutil_get_proc_info(pid, &process, &buffer)) {
+ return NULL;
+ }
+ // special case for PIDs 0 and 4, return system boot time
+ if (0 == pid || 4 == pid) {
+ return psutil_boot_time(NULL, NULL);
+ }
+ /*
+ Convert the LARGE_INTEGER union to a Unix time.
+ It's the best I could find by googling and borrowing code here and there.
+ The time returned has a precision of 1 second.
+ */
+ unix_time = ((LONGLONG)process->CreateTime.HighPart) << 32;
+ unix_time += process->CreateTime.LowPart - 116444736000000000LL;
+ unix_time /= 10000000;
+ free(buffer);
+ return Py_BuildValue("d", (double)unix_time);
+}
+
+
+/*
+ * Return the number of logical CPUs.
+ */
+static PyObject *
+psutil_cpu_count_logical(PyObject *self, PyObject *args)
+{
+ SYSTEM_INFO system_info;
+ system_info.dwNumberOfProcessors = 0;
+
+ GetSystemInfo(&system_info);
+ if (system_info.dwNumberOfProcessors == 0) {
+ // mimic os.cpu_count()
+ Py_INCREF(Py_None);
+ return Py_None;
+ }
+ else {
+ return Py_BuildValue("I", system_info.dwNumberOfProcessors);
+ }
+}
+
+
+typedef BOOL (WINAPI *LPFN_GLPI) (PSYSTEM_LOGICAL_PROCESSOR_INFORMATION,
+ PDWORD);
+
+/*
+ * Return the number of physical CPU cores.
+ */
+static PyObject *
+psutil_cpu_count_phys(PyObject *self, PyObject *args)
+{
+ LPFN_GLPI glpi;
+ DWORD rc;
+ PSYSTEM_LOGICAL_PROCESSOR_INFORMATION buffer = NULL;
+ PSYSTEM_LOGICAL_PROCESSOR_INFORMATION ptr = NULL;
+ DWORD length = 0;
+ DWORD offset = 0;
+ int ncpus = 0;
+
+ glpi = (LPFN_GLPI)GetProcAddress(GetModuleHandle(TEXT("kernel32")),
+ "GetLogicalProcessorInformation");
+ if (glpi == NULL)
+ goto return_none;
+
+ while (1) {
+ rc = glpi(buffer, &length);
+ if (rc == FALSE) {
+ if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
+ if (buffer)
+ free(buffer);
+ buffer = (PSYSTEM_LOGICAL_PROCESSOR_INFORMATION)malloc(
+ length);
+ if (NULL == buffer) {
+ PyErr_NoMemory();
+ return NULL;
+ }
+ }
+ else {
+ goto return_none;
+ }
+ }
+ else {
+ break;
+ }
+ }
+
+ ptr = buffer;
+ while (offset + sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION) <= length) {
+ if (ptr->Relationship == RelationProcessorCore)
+ ncpus += 1;
+ offset += sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION);
+ ptr++;
+ }
+
+ free(buffer);
+ if (ncpus == 0)
+ goto return_none;
+ else
+ return Py_BuildValue("i", ncpus);
+
+return_none:
+ // mimic os.cpu_count()
+ if (buffer != NULL)
+ free(buffer);
+ Py_INCREF(Py_None);
+ return Py_None;
+}
+
+
+/*
+ * Return process cmdline as a Python list of cmdline arguments.
+ */
+static PyObject *
+psutil_proc_cmdline(PyObject *self, PyObject *args) {
+ long pid;
+ int pid_return;
+ PyObject *arglist;
+
+ if (! PyArg_ParseTuple(args, "l", &pid)) {
+ return NULL;
+ }
+ if ((pid == 0) || (pid == 4)) {
+ return Py_BuildValue("[]");
+ }
+
+ pid_return = psutil_pid_is_running(pid);
+ if (pid_return == 0) {
+ return NoSuchProcess();
+ }
+ if (pid_return == -1) {
+ return NULL;
+ }
+
+ // XXX the assumptio below probably needs to go away
+
+ // May fail any of several ReadProcessMemory calls etc. and
+ // not indicate a real problem so we ignore any errors and
+ // just live without commandline.
+ arglist = psutil_get_arg_list(pid);
+ if ( NULL == arglist ) {
+ // carry on anyway, clear any exceptions too
+ PyErr_Clear();
+ return Py_BuildValue("[]");
+ }
+
+ return arglist;
+}
+
+
+/*
+ * Return process executable path.
+ */
+static PyObject *
+psutil_proc_exe(PyObject *self, PyObject *args) {
+ long pid;
+ HANDLE hProcess;
+ wchar_t exe[MAX_PATH];
+ if (! PyArg_ParseTuple(args, "l", &pid)) {
+ return NULL;
+ }
+
+ hProcess = psutil_handle_from_pid_waccess(pid, PROCESS_QUERY_INFORMATION);
+ if (NULL == hProcess) {
+ return NULL;
+ }
+ if (GetProcessImageFileNameW(hProcess, &exe, MAX_PATH) == 0) {
+ CloseHandle(hProcess);
+ if (GetLastError() == ERROR_INVALID_PARAMETER) {
+ // see https://code.google.com/p/psutil/issues/detail?id=414
+ AccessDenied();
+ }
+ else {
+ PyErr_SetFromWindowsErr(0);
+ }
+ return NULL;
+ }
+ CloseHandle(hProcess);
+ return Py_BuildValue("u", exe);
+}
+
+
+/*
+ * Return process memory information as a Python tuple.
+ */
+static PyObject *
+psutil_proc_memory_info(PyObject *self, PyObject *args)
+{
+ HANDLE hProcess;
+ DWORD pid;
+#if (_WIN32_WINNT >= 0x0501) // Windows XP with SP2
+ PROCESS_MEMORY_COUNTERS_EX cnt;
+#else
+ PROCESS_MEMORY_COUNTERS cnt;
+#endif
+ SIZE_T private = 0;
+
+ if (! PyArg_ParseTuple(args, "l", &pid)) {
+ return NULL;
+ }
+
+ hProcess = psutil_handle_from_pid(pid);
+ if (NULL == hProcess) {
+ return NULL;
+ }
+
+ if (! GetProcessMemoryInfo(hProcess, &cnt, sizeof(cnt)) ) {
+ CloseHandle(hProcess);
+ return PyErr_SetFromWindowsErr(0);
+ }
+
+#if (_WIN32_WINNT >= 0x0501) // Windows XP with SP2
+ private = cnt.PrivateUsage;
+#endif
+
+ CloseHandle(hProcess);
+
+ // PROCESS_MEMORY_COUNTERS values are defined as SIZE_T which on 64bits
+ // is an (unsigned long long) and on 32bits is an (unsigned int).
+ // "_WIN64" is defined if we're running a 64bit Python interpreter not
+ // exclusively if the *system* is 64bit.
+#if defined(_WIN64)
+ return Py_BuildValue(
+ "(kKKKKKKKKK)",
+ cnt.PageFaultCount, // unsigned long
+ (unsigned long long)cnt.PeakWorkingSetSize,
+ (unsigned long long)cnt.WorkingSetSize,
+ (unsigned long long)cnt.QuotaPeakPagedPoolUsage,
+ (unsigned long long)cnt.QuotaPagedPoolUsage,
+ (unsigned long long)cnt.QuotaPeakNonPagedPoolUsage,
+ (unsigned long long)cnt.QuotaNonPagedPoolUsage,
+ (unsigned long long)cnt.PagefileUsage,
+ (unsigned long long)cnt.PeakPagefileUsage,
+ (unsigned long long)private);
+#else
+ return Py_BuildValue(
+ "(kIIIIIIIII)",
+ cnt.PageFaultCount, // unsigned long
+ (unsigned int)cnt.PeakWorkingSetSize,
+ (unsigned int)cnt.WorkingSetSize,
+ (unsigned int)cnt.QuotaPeakPagedPoolUsage,
+ (unsigned int)cnt.QuotaPagedPoolUsage,
+ (unsigned int)cnt.QuotaPeakNonPagedPoolUsage,
+ (unsigned int)cnt.QuotaNonPagedPoolUsage,
+ (unsigned int)cnt.PagefileUsage,
+ (unsigned int)cnt.PeakPagefileUsage,
+ (unsigned int)private);
+#endif
+}
+
+
+/*
+ * Alternative implementation of the one above but bypasses ACCESS DENIED.
+ */
+static PyObject *
+psutil_proc_memory_info_2(PyObject *self, PyObject *args)
+{
+ DWORD pid;
+ PSYSTEM_PROCESS_INFORMATION process;
+ PVOID buffer;
+ SIZE_T private;
+ unsigned long pfault_count;
+
+#if defined(_WIN64)
+ unsigned long long m1, m2, m3, m4, m5, m6, m7, m8;
+#else
+ unsigned int m1, m2, m3, m4, m5, m6, m7, m8;
+#endif
+
+ if (! PyArg_ParseTuple(args, "l", &pid)) {
+ return NULL;
+ }
+ if (! psutil_get_proc_info(pid, &process, &buffer)) {
+ return NULL;
+ }
+
+#if (_WIN32_WINNT >= 0x0501) // Windows XP with SP2
+ private = process->PrivatePageCount;
+#else
+ private = 0;
+#endif
+ pfault_count = process->PageFaultCount;
+
+ m1 = process->PeakWorkingSetSize;
+ m2 = process->WorkingSetSize;
+ m3 = process->QuotaPeakPagedPoolUsage;
+ m4 = process->QuotaPagedPoolUsage;
+ m5 = process->QuotaPeakNonPagedPoolUsage;
+ m6 = process->QuotaNonPagedPoolUsage;
+ m7 = process->PagefileUsage;
+ m8 = process->PeakPagefileUsage;
+
+ free(buffer);
+
+ // SYSTEM_PROCESS_INFORMATION values are defined as SIZE_T which on 64
+ // bits is an (unsigned long long) and on 32bits is an (unsigned int).
+ // "_WIN64" is defined if we're running a 64bit Python interpreter not
+ // exclusively if the *system* is 64bit.
+#if defined(_WIN64)
+ return Py_BuildValue("(kKKKKKKKKK)",
+#else
+ return Py_BuildValue("(kIIIIIIIII)",
+#endif
+ pfault_count, m1, m2, m3, m4, m5, m6, m7, m8, private);
+}
+
+
+/*
+ * Return a Python integer indicating the total amount of physical memory
+ * in bytes.
+ */
+static PyObject *
+psutil_virtual_mem(PyObject *self, PyObject *args)
+{
+ MEMORYSTATUSEX memInfo;
+ memInfo.dwLength = sizeof(MEMORYSTATUSEX);
+
+ if (! GlobalMemoryStatusEx(&memInfo) ) {
+ return PyErr_SetFromWindowsErr(0);
+ }
+
+ return Py_BuildValue("(LLLLLL)",
+ memInfo.ullTotalPhys, // total
+ memInfo.ullAvailPhys, // avail
+ memInfo.ullTotalPageFile, // total page file
+ memInfo.ullAvailPageFile, // avail page file
+ memInfo.ullTotalVirtual, // total virtual
+ memInfo.ullAvailVirtual); // avail virtual
+}
+
+
+#define LO_T ((float)1e-7)
+#define HI_T (LO_T*4294967296.0)
+
+
+/*
+ * Retrieves system CPU timing information as a (user, system, idle)
+ * tuple. On a multiprocessor system, the values returned are the
+ * sum of the designated times across all processors.
+ */
+static PyObject *
+psutil_cpu_times(PyObject *self, PyObject *args)
+{
+ float idle, kernel, user, system;
+ FILETIME idle_time, kernel_time, user_time;
+
+ if (!GetSystemTimes(&idle_time, &kernel_time, &user_time)) {
+ return PyErr_SetFromWindowsErr(0);
+ }
+
+ idle = (float)((HI_T * idle_time.dwHighDateTime) + \
+ (LO_T * idle_time.dwLowDateTime));
+ user = (float)((HI_T * user_time.dwHighDateTime) + \
+ (LO_T * user_time.dwLowDateTime));
+ kernel = (float)((HI_T * kernel_time.dwHighDateTime) + \
+ (LO_T * kernel_time.dwLowDateTime));
+
+ // Kernel time includes idle time.
+ // We return only busy kernel time subtracting idle time from
+ // kernel time.
+ system = (kernel - idle);
+ return Py_BuildValue("(fff)", user, system, idle);
+}
+
+
+/*
+ * Same as above but for all system CPUs.
+ */
+static PyObject *
+psutil_per_cpu_times(PyObject *self, PyObject *args)
+{
+ float idle, kernel, user;
+ typedef DWORD (_stdcall * NTQSI_PROC) (int, PVOID, ULONG, PULONG);
+ NTQSI_PROC NtQuerySystemInformation;
+ HINSTANCE hNtDll;
+ SYSTEM_PROCESSOR_PERFORMANCE_INFORMATION *sppi = NULL;
+ SYSTEM_INFO si;
+ UINT i;
+ PyObject *arg = NULL;
+ PyObject *retlist = PyList_New(0);
+
+ if (retlist == NULL)
+ return NULL;
+
+ // dynamic linking is mandatory to use NtQuerySystemInformation
+ hNtDll = LoadLibrary(TEXT("ntdll.dll"));
+ if (hNtDll != NULL) {
+ // gets NtQuerySystemInformation address
+ NtQuerySystemInformation = (NTQSI_PROC)GetProcAddress(
+ hNtDll, "NtQuerySystemInformation");
+
+ if (NtQuerySystemInformation != NULL)
+ {
+ // retrives number of processors
+ GetSystemInfo(&si);
+
+ // allocates an array of SYSTEM_PROCESSOR_PERFORMANCE_INFORMATION
+ // structures, one per processor
+ sppi = (SYSTEM_PROCESSOR_PERFORMANCE_INFORMATION *) \
+ malloc(si.dwNumberOfProcessors * \
+ sizeof(SYSTEM_PROCESSOR_PERFORMANCE_INFORMATION));
+ if (sppi != NULL)
+ {
+ // gets cpu time informations
+ if (0 == NtQuerySystemInformation(
+ SystemProcessorPerformanceInformation,
+ sppi,
+ si.dwNumberOfProcessors * sizeof
+ (SYSTEM_PROCESSOR_PERFORMANCE_INFORMATION),
+ NULL)
+ )
+ {
+ // computes system global times summing each
+ // processor value
+ idle = user = kernel = 0;
+ for (i = 0; i < si.dwNumberOfProcessors; i++) {
+ arg = NULL;
+ user = (float)((HI_T * sppi[i].UserTime.HighPart) +
+ (LO_T * sppi[i].UserTime.LowPart));
+ idle = (float)((HI_T * sppi[i].IdleTime.HighPart) +
+ (LO_T * sppi[i].IdleTime.LowPart));
+ kernel = (float)((HI_T * sppi[i].KernelTime.HighPart) +
+ (LO_T * sppi[i].KernelTime.LowPart));
+ // kernel time includes idle time on windows
+ // we return only busy kernel time subtracting
+ // idle time from kernel time
+ arg = Py_BuildValue("(ddd)",
+ user,
+ kernel - idle,
+ idle);
+ if (!arg)
+ goto error;
+ if (PyList_Append(retlist, arg))
+ goto error;
+ Py_DECREF(arg);
+ }
+ free(sppi);
+ FreeLibrary(hNtDll);
+ return retlist;
+
+ } // END NtQuerySystemInformation
+ } // END malloc SYSTEM_PROCESSOR_PERFORMANCE_INFORMATION
+ } // END GetProcAddress
+ } // END LoadLibrary
+ goto error;
+
+error:
+ Py_XDECREF(arg);
+ Py_DECREF(retlist);
+ if (sppi) {
+ free(sppi);
+ }
+ if (hNtDll) {
+ FreeLibrary(hNtDll);
+ }
+ PyErr_SetFromWindowsErr(0);
+ return NULL;
+}
+
+
+/*
+ * Return process current working directory as a Python string.
+ */
+
+static PyObject *
+psutil_proc_cwd(PyObject *self, PyObject *args)
+{
+ long pid;
+ HANDLE processHandle = NULL;
+ PVOID pebAddress;
+ PVOID rtlUserProcParamsAddress;
+ UNICODE_STRING currentDirectory;
+ WCHAR *currentDirectoryContent = NULL;
+ PyObject *returnPyObj = NULL;
+ PyObject *cwd_from_wchar = NULL;
+ PyObject *cwd = NULL;
+
+ if (! PyArg_ParseTuple(args, "l", &pid)) {
+ return NULL;
+ }
+
+ processHandle = psutil_handle_from_pid(pid);
+ if (processHandle == NULL) {
+ return NULL;
+ }
+
+ pebAddress = psutil_get_peb_address(processHandle);
+
+ // get the address of ProcessParameters
+#ifdef _WIN64
+ if (!ReadProcessMemory(processHandle, (PCHAR)pebAddress + 32,
+ &rtlUserProcParamsAddress, sizeof(PVOID), NULL))
+#else
+ if (!ReadProcessMemory(processHandle, (PCHAR)pebAddress + 0x10,
+ &rtlUserProcParamsAddress, sizeof(PVOID), NULL))
+#endif
+ {
+ CloseHandle(processHandle);
+ if (GetLastError() == ERROR_PARTIAL_COPY) {
+ // this occurs quite often with system processes
+ return AccessDenied();
+ }
+ else {
+ return PyErr_SetFromWindowsErr(0);
+ }
+ }
+
+ // Read the currentDirectory UNICODE_STRING structure.
+ // 0x24 refers to "CurrentDirectoryPath" of RTL_USER_PROCESS_PARAMETERS
+ // structure, see:
+ // http://wj32.wordpress.com/2009/01/24/
+ // howto-get-the-command-line-of-processes/
+#ifdef _WIN64
+ if (!ReadProcessMemory(processHandle, (PCHAR)rtlUserProcParamsAddress + 56,
+ ¤tDirectory, sizeof(currentDirectory), NULL))
+#else
+ if (!ReadProcessMemory(processHandle,
+ (PCHAR)rtlUserProcParamsAddress + 0x24,
+ ¤tDirectory, sizeof(currentDirectory), NULL))
+#endif
+ {
+ CloseHandle(processHandle);
+ if (GetLastError() == ERROR_PARTIAL_COPY) {
+ // this occurs quite often with system processes
+ return AccessDenied();
+ }
+ else {
+ return PyErr_SetFromWindowsErr(0);
+ }
+ }
+
+ // allocate memory to hold cwd
+ currentDirectoryContent = (WCHAR *)malloc(currentDirectory.Length + 1);
+ if (currentDirectoryContent == NULL) {
+ PyErr_NoMemory();
+ goto error;
+ }
+
+ // read cwd
+ if (!ReadProcessMemory(processHandle, currentDirectory.Buffer,
+ currentDirectoryContent, currentDirectory.Length,
+ NULL))
+ {
+ if (GetLastError() == ERROR_PARTIAL_COPY) {
+ // this occurs quite often with system processes
+ AccessDenied();
+ }
+ else {
+ PyErr_SetFromWindowsErr(0);
+ }
+ goto error;
+ }
+
+ // null-terminate the string to prevent wcslen from returning
+ // incorrect length the length specifier is in characters, but
+ // currentDirectory.Length is in bytes
+ currentDirectoryContent[(currentDirectory.Length / sizeof(WCHAR))] = '\0';
+
+ // convert wchar array to a Python unicode string, and then to UTF8
+ cwd_from_wchar = PyUnicode_FromWideChar(currentDirectoryContent,
+ wcslen(currentDirectoryContent));
+ if (cwd_from_wchar == NULL)
+ goto error;
+
+#if PY_MAJOR_VERSION >= 3
+ cwd = PyUnicode_FromObject(cwd_from_wchar);
+#else
+ cwd = PyUnicode_AsUTF8String(cwd_from_wchar);
+#endif
+ if (cwd == NULL)
+ goto error;
+
+ // decrement the reference count on our temp unicode str to avoid
+ // mem leak
+ returnPyObj = Py_BuildValue("N", cwd);
+ if (!returnPyObj)
+ goto error;
+
+ Py_DECREF(cwd_from_wchar);
+
+ CloseHandle(processHandle);
+ free(currentDirectoryContent);
+ return returnPyObj;
+
+error:
+ Py_XDECREF(cwd_from_wchar);
+ Py_XDECREF(cwd);
+ Py_XDECREF(returnPyObj);
+ if (currentDirectoryContent != NULL)
+ free(currentDirectoryContent);
+ if (processHandle != NULL)
+ CloseHandle(processHandle);
+ return NULL;
+}
+
+
+/*
+ * Resume or suspends a process
+ */
+int
+psutil_proc_suspend_or_resume(DWORD pid, int suspend)
+{
+ // a huge thanks to http://www.codeproject.com/KB/threads/pausep.aspx
+ HANDLE hThreadSnap = NULL;
+ THREADENTRY32 te32 = {0};
+
+ if (pid == 0) {
+ AccessDenied();
+ return FALSE;
+ }
+
+ hThreadSnap = CreateToolhelp32Snapshot(TH32CS_SNAPTHREAD, 0);
+ if (hThreadSnap == INVALID_HANDLE_VALUE) {
+ PyErr_SetFromWindowsErr(0);
+ return FALSE;
+ }
+
+ // Fill in the size of the structure before using it
+ te32.dwSize = sizeof(THREADENTRY32);
+
+ if (! Thread32First(hThreadSnap, &te32)) {
+ PyErr_SetFromWindowsErr(0);
+ CloseHandle(hThreadSnap);
+ return FALSE;
+ }
+
+ // Walk the thread snapshot to find all threads of the process.
+ // If the thread belongs to the process, add its information
+ // to the display list.
+ do
+ {
+ if (te32.th32OwnerProcessID == pid)
+ {
+ HANDLE hThread = OpenThread(THREAD_SUSPEND_RESUME, FALSE,
+ te32.th32ThreadID);
+ if (hThread == NULL) {
+ PyErr_SetFromWindowsErr(0);
+ CloseHandle(hThread);
+ CloseHandle(hThreadSnap);
+ return FALSE;
+ }
+ if (suspend == 1)
+ {
+ if (SuspendThread(hThread) == (DWORD) - 1) {
+ PyErr_SetFromWindowsErr(0);
+ CloseHandle(hThread);
+ CloseHandle(hThreadSnap);
+ return FALSE;
+ }
+ }
+ else
+ {
+ if (ResumeThread(hThread) == (DWORD) - 1) {
+ PyErr_SetFromWindowsErr(0);
+ CloseHandle(hThread);
+ CloseHandle(hThreadSnap);
+ return FALSE;
+ }
+ }
+ CloseHandle(hThread);
+ }
+ } while (Thread32Next(hThreadSnap, &te32));
+
+ CloseHandle(hThreadSnap);
+ return TRUE;
+}
+
+
+static PyObject *
+psutil_proc_suspend(PyObject *self, PyObject *args)
+{
+ long pid;
+ int suspend = 1;
+ if (! PyArg_ParseTuple(args, "l", &pid)) {
+ return NULL;
+ }
+
+ if (! psutil_proc_suspend_or_resume(pid, suspend)) {
+ return NULL;
+ }
+ Py_INCREF(Py_None);
+ return Py_None;
+}
+
+
+static PyObject *
+psutil_proc_resume(PyObject *self, PyObject *args)
+{
+ long pid;
+ int suspend = 0;
+ if (! PyArg_ParseTuple(args, "l", &pid)) {
+ return NULL;
+ }
+
+ if (! psutil_proc_suspend_or_resume(pid, suspend)) {
+ return NULL;
+ }
+ Py_INCREF(Py_None);
+ return Py_None;
+}
+
+
+static PyObject *
+psutil_proc_num_threads(PyObject *self, PyObject *args)
+{
+ DWORD pid;
+ PSYSTEM_PROCESS_INFORMATION process;
+ PVOID buffer;
+ int num;
+
+ if (! PyArg_ParseTuple(args, "l", &pid)) {
+ return NULL;
+ }
+ if (! psutil_get_proc_info(pid, &process, &buffer)) {
+ return NULL;
+ }
+ num = (int)process->NumberOfThreads;
+ free(buffer);
+ return Py_BuildValue("i", num);
+}
+
+
+static PyObject *
+psutil_proc_threads(PyObject *self, PyObject *args)
+{
+ HANDLE hThread;
+ THREADENTRY32 te32 = {0};
+ long pid;
+ int pid_return;
+ int rc;
+ FILETIME ftDummy, ftKernel, ftUser;
+ PyObject *retList = PyList_New(0);
+ PyObject *pyTuple = NULL;
+ HANDLE hThreadSnap = NULL;
+
+ if (retList == NULL) {
+ return NULL;
+ }
+ if (! PyArg_ParseTuple(args, "l", &pid)) {
+ goto error;
+ }
+ if (pid == 0) {
+ // raise AD instead of returning 0 as procexp is able to
+ // retrieve useful information somehow
+ AccessDenied();
+ goto error;
+ }
+
+ pid_return = psutil_pid_is_running(pid);
+ if (pid_return == 0) {
+ NoSuchProcess();
+ goto error;
+ }
+ if (pid_return == -1) {
+ goto error;
+ }
+
+ hThreadSnap = CreateToolhelp32Snapshot(TH32CS_SNAPTHREAD, 0);
+ if (hThreadSnap == INVALID_HANDLE_VALUE) {
+ PyErr_SetFromWindowsErr(0);
+ goto error;
+ }
+
+ // Fill in the size of the structure before using it
+ te32.dwSize = sizeof(THREADENTRY32);
+
+ if (! Thread32First(hThreadSnap, &te32)) {
+ PyErr_SetFromWindowsErr(0);
+ goto error;
+ }
+
+ // Walk the thread snapshot to find all threads of the process.
+ // If the thread belongs to the process, increase the counter.
+ do
+ {
+ if (te32.th32OwnerProcessID == pid)
+ {
+ pyTuple = NULL;
+ hThread = NULL;
+ hThread = OpenThread(THREAD_QUERY_INFORMATION,
+ FALSE, te32.th32ThreadID);
+ if (hThread == NULL) {
+ // thread has disappeared on us
+ continue;
+ }
+
+ rc = GetThreadTimes(hThread, &ftDummy, &ftDummy, &ftKernel,
+ &ftUser);
+ if (rc == 0) {
+ PyErr_SetFromWindowsErr(0);
+ goto error;
+ }
+
+ /*
+ * User and kernel times are represented as a FILETIME structure
+ * wich contains a 64-bit value representing the number of
+ * 100-nanosecond intervals since January 1, 1601 (UTC):
+ * http://msdn.microsoft.com/en-us/library/ms724284(VS.85).aspx
+ * To convert it into a float representing the seconds that the
+ * process has executed in user/kernel mode I borrowed the code
+ * below from Python's Modules/posixmodule.c
+ */
+ pyTuple = Py_BuildValue(
+ "kdd",
+ te32.th32ThreadID,
+ (double)(ftUser.dwHighDateTime * 429.4967296 + \
+ ftUser.dwLowDateTime * 1e-7),
+ (double)(ftKernel.dwHighDateTime * 429.4967296 + \
+ ftKernel.dwLowDateTime * 1e-7));
+ if (!pyTuple)
+ goto error;
+ if (PyList_Append(retList, pyTuple))
+ goto error;
+ Py_DECREF(pyTuple);
+
+ CloseHandle(hThread);
+ }
+ } while (Thread32Next(hThreadSnap, &te32));
+
+ CloseHandle(hThreadSnap);
+ return retList;
+
+error:
+ Py_XDECREF(pyTuple);
+ Py_DECREF(retList);
+ if (hThread != NULL)
+ CloseHandle(hThread);
+ if (hThreadSnap != NULL) {
+ CloseHandle(hThreadSnap);
+ }
+ return NULL;
+}
+
+
+static PyObject *
+psutil_proc_open_files(PyObject *self, PyObject *args)
+{
+ long pid;
+ HANDLE processHandle;
+ DWORD access = PROCESS_DUP_HANDLE | PROCESS_QUERY_INFORMATION;
+ PyObject *filesList;
+
+ if (! PyArg_ParseTuple(args, "l", &pid)) {
+ return NULL;
+ }
+
+ processHandle = psutil_handle_from_pid_waccess(pid, access);
+ if (processHandle == NULL) {
+ return NULL;
+ }
+
+ filesList = psutil_get_open_files(pid, processHandle);
+ CloseHandle(processHandle);
+ if (filesList == NULL) {
+ return PyErr_SetFromWindowsErr(0);
+ }
+ return filesList;
+}
+
+
+/*
+ Accept a filename's drive in native format like "\Device\HarddiskVolume1\"
+ and return the corresponding drive letter (e.g. "C:\\").
+ If no match is found return an empty string.
+*/
+static PyObject *
+psutil_win32_QueryDosDevice(PyObject *self, PyObject *args)
+{
+ LPCTSTR lpDevicePath;
+ TCHAR d = TEXT('A');
+ TCHAR szBuff[5];
+
+ if (!PyArg_ParseTuple(args, "s", &lpDevicePath)) {
+ return NULL;
+ }
+
+ while (d <= TEXT('Z'))
+ {
+ TCHAR szDeviceName[3] = {d, TEXT(':'), TEXT('\0')};
+ TCHAR szTarget[512] = {0};
+ if (QueryDosDevice(szDeviceName, szTarget, 511) != 0) {
+ if (_tcscmp(lpDevicePath, szTarget) == 0) {
+ _stprintf(szBuff, TEXT("%c:"), d);
+ return Py_BuildValue("s", szBuff);
+ }
+ }
+ d++;
+ }
+ return Py_BuildValue("s", "");
+}
+
+
+/*
+ * Return process username as a "DOMAIN//USERNAME" string.
+ */
+static PyObject *
+psutil_proc_username(PyObject *self, PyObject *args)
+{
+ long pid;
+ HANDLE processHandle;
+ HANDLE tokenHandle;
+ PTOKEN_USER user;
+ ULONG bufferSize;
+ PTSTR name;
+ ULONG nameSize;
+ PTSTR domainName;
+ ULONG domainNameSize;
+ SID_NAME_USE nameUse;
+ PTSTR fullName;
+ PyObject *returnObject;
+
+ if (! PyArg_ParseTuple(args, "l", &pid)) {
+ return NULL;
+ }
+
+ processHandle = psutil_handle_from_pid_waccess(
+ pid, PROCESS_QUERY_INFORMATION);
+ if (processHandle == NULL) {
+ return NULL;
+ }
+
+ if (!OpenProcessToken(processHandle, TOKEN_QUERY, &tokenHandle)) {
+ CloseHandle(processHandle);
+ return PyErr_SetFromWindowsErr(0);
+ }
+
+ CloseHandle(processHandle);
+
+ // Get the user SID.
+
+ bufferSize = 0x100;
+ user = malloc(bufferSize);
+ if (user == NULL) {
+ return PyErr_NoMemory();
+ }
+
+ if (!GetTokenInformation(tokenHandle, TokenUser, user, bufferSize,
+ &bufferSize))
+ {
+ free(user);
+ user = malloc(bufferSize);
+ if (user == NULL) {
+ CloseHandle(tokenHandle);
+ return PyErr_NoMemory();
+ }
+ if (!GetTokenInformation(tokenHandle, TokenUser, user, bufferSize,
+ &bufferSize))
+ {
+ free(user);
+ CloseHandle(tokenHandle);
+ return PyErr_SetFromWindowsErr(0);
+ }
+ }
+
+ CloseHandle(tokenHandle);
+
+ // resolve the SID to a name
+ nameSize = 0x100;
+ domainNameSize = 0x100;
+
+ name = malloc(nameSize * sizeof(TCHAR));
+ if (name == NULL)
+ return PyErr_NoMemory();
+ domainName = malloc(domainNameSize * sizeof(TCHAR));
+ if (domainName == NULL)
+ return PyErr_NoMemory();
+
+ if (!LookupAccountSid(NULL, user->User.Sid, name, &nameSize, domainName,
+ &domainNameSize, &nameUse))
+ {
+ free(name);
+ free(domainName);
+ name = malloc(nameSize * sizeof(TCHAR));
+ if (name == NULL)
+ return PyErr_NoMemory();
+ domainName = malloc(domainNameSize * sizeof(TCHAR));
+ if (domainName == NULL)
+ return PyErr_NoMemory();
+ if (!LookupAccountSid(NULL, user->User.Sid, name, &nameSize,
+ domainName, &domainNameSize, &nameUse))
+ {
+ free(name);
+ free(domainName);
+ free(user);
+
+ return PyErr_SetFromWindowsErr(0);
+ }
+ }
+
+ nameSize = _tcslen(name);
+ domainNameSize = _tcslen(domainName);
+
+ // build the full username string
+ fullName = malloc((domainNameSize + 1 + nameSize + 1) * sizeof(TCHAR));
+ if (fullName == NULL) {
+ free(name);
+ free(domainName);
+ free(user);
+ return PyErr_NoMemory();
+ }
+ memcpy(fullName, domainName, domainNameSize);
+ fullName[domainNameSize] = '\\';
+ memcpy(&fullName[domainNameSize + 1], name, nameSize);
+ fullName[domainNameSize + 1 + nameSize] = '\0';
+
+ returnObject = Py_BuildValue("s", fullName);
+
+ free(fullName);
+ free(name);
+ free(domainName);
+ free(user);
+
+ return returnObject;
+}
+
+
+// --- network connections mingw32 support
+
+#ifndef _IPRTRMIB_H
+typedef struct _MIB_TCP6ROW_OWNER_PID {
+ UCHAR ucLocalAddr[16];
+ DWORD dwLocalScopeId;
+ DWORD dwLocalPort;
+ UCHAR ucRemoteAddr[16];
+ DWORD dwRemoteScopeId;
+ DWORD dwRemotePort;
+ DWORD dwState;
+ DWORD dwOwningPid;
+} MIB_TCP6ROW_OWNER_PID, *PMIB_TCP6ROW_OWNER_PID;
+
+typedef struct _MIB_TCP6TABLE_OWNER_PID {
+ DWORD dwNumEntries;
+ MIB_TCP6ROW_OWNER_PID table[ANY_SIZE];
+} MIB_TCP6TABLE_OWNER_PID, *PMIB_TCP6TABLE_OWNER_PID;
+#endif
+
+#ifndef __IPHLPAPI_H__
+typedef struct in6_addr {
+ union {
+ UCHAR Byte[16];
+ USHORT Word[8];
+ } u;
+} IN6_ADDR, *PIN6_ADDR, FAR *LPIN6_ADDR;
+
+typedef enum _UDP_TABLE_CLASS {
+ UDP_TABLE_BASIC,
+ UDP_TABLE_OWNER_PID,
+ UDP_TABLE_OWNER_MODULE
+} UDP_TABLE_CLASS, *PUDP_TABLE_CLASS;
+
+typedef struct _MIB_UDPROW_OWNER_PID {
+ DWORD dwLocalAddr;
+ DWORD dwLocalPort;
+ DWORD dwOwningPid;
+} MIB_UDPROW_OWNER_PID, *PMIB_UDPROW_OWNER_PID;
+
+typedef struct _MIB_UDPTABLE_OWNER_PID {
+ DWORD dwNumEntries;
+ MIB_UDPROW_OWNER_PID table[ANY_SIZE];
+} MIB_UDPTABLE_OWNER_PID, *PMIB_UDPTABLE_OWNER_PID;
+#endif
+
+typedef struct _MIB_UDP6ROW_OWNER_PID {
+ UCHAR ucLocalAddr[16];
+ DWORD dwLocalScopeId;
+ DWORD dwLocalPort;
+ DWORD dwOwningPid;
+} MIB_UDP6ROW_OWNER_PID, *PMIB_UDP6ROW_OWNER_PID;
+
+typedef struct _MIB_UDP6TABLE_OWNER_PID {
+ DWORD dwNumEntries;
+ MIB_UDP6ROW_OWNER_PID table[ANY_SIZE];
+} MIB_UDP6TABLE_OWNER_PID, *PMIB_UDP6TABLE_OWNER_PID;
+
+
+#define BYTESWAP_USHORT(x) ((((USHORT)(x) << 8) | ((USHORT)(x) >> 8)) & 0xffff)
+
+#ifndef AF_INET6
+#define AF_INET6 23
+#endif
+
+#define _psutil_conn_decref_objs() \
+ Py_DECREF(_AF_INET); \
+ Py_DECREF(_AF_INET6);\
+ Py_DECREF(_SOCK_STREAM);\
+ Py_DECREF(_SOCK_DGRAM);
+
+// a signaler for connections without an actual status
+static int PSUTIL_CONN_NONE = 128;
+
+
+/*
+ * Return a list of network connections opened by a process
+ */
+static PyObject *
+psutil_net_connections(PyObject *self, PyObject *args)
+{
+ static long null_address[4] = { 0, 0, 0, 0 };
+
+ unsigned long pid;
+ PyObject *connectionsList;
+ PyObject *connectionTuple = NULL;
+ PyObject *af_filter = NULL;
+ PyObject *type_filter = NULL;
+
+ PyObject *_AF_INET = PyLong_FromLong((long)AF_INET);
+ PyObject *_AF_INET6 = PyLong_FromLong((long)AF_INET6);
+ PyObject *_SOCK_STREAM = PyLong_FromLong((long)SOCK_STREAM);
+ PyObject *_SOCK_DGRAM = PyLong_FromLong((long)SOCK_DGRAM);
+
+ typedef PSTR (NTAPI * _RtlIpv4AddressToStringA)(struct in_addr *, PSTR);
+ _RtlIpv4AddressToStringA rtlIpv4AddressToStringA;
+ typedef PSTR (NTAPI * _RtlIpv6AddressToStringA)(struct in6_addr *, PSTR);
+ _RtlIpv6AddressToStringA rtlIpv6AddressToStringA;
+ typedef DWORD (WINAPI * _GetExtendedTcpTable)(PVOID, PDWORD, BOOL, ULONG,
+ TCP_TABLE_CLASS, ULONG);
+ _GetExtendedTcpTable getExtendedTcpTable;
+ typedef DWORD (WINAPI * _GetExtendedUdpTable)(PVOID, PDWORD, BOOL, ULONG,
+ UDP_TABLE_CLASS, ULONG);
+ _GetExtendedUdpTable getExtendedUdpTable;
+ PVOID table = NULL;
+ DWORD tableSize;
+ PMIB_TCPTABLE_OWNER_PID tcp4Table;
+ PMIB_UDPTABLE_OWNER_PID udp4Table;
+ PMIB_TCP6TABLE_OWNER_PID tcp6Table;
+ PMIB_UDP6TABLE_OWNER_PID udp6Table;
+ ULONG i;
+ CHAR addressBufferLocal[65];
+ PyObject *addressTupleLocal = NULL;
+ CHAR addressBufferRemote[65];
+ PyObject *addressTupleRemote = NULL;
+
+ if (! PyArg_ParseTuple(args, "lOO", &pid, &af_filter, &type_filter)) {
+ _psutil_conn_decref_objs();
+ return NULL;
+ }
+
+ if (!PySequence_Check(af_filter) || !PySequence_Check(type_filter)) {
+ _psutil_conn_decref_objs();
+ PyErr_SetString(PyExc_TypeError, "arg 2 or 3 is not a sequence");
+ return NULL;
+ }
+
+ if (pid != -1) {
+ if (psutil_pid_is_running(pid) == 0) {
+ _psutil_conn_decref_objs();
+ return NoSuchProcess();
+ }
+ }
+
+ // Import some functions.
+ {
+ HMODULE ntdll;
+ HMODULE iphlpapi;
+
+ ntdll = LoadLibrary(TEXT("ntdll.dll"));
+ rtlIpv4AddressToStringA = (_RtlIpv4AddressToStringA)GetProcAddress(
+ ntdll, "RtlIpv4AddressToStringA");
+ rtlIpv6AddressToStringA = (_RtlIpv6AddressToStringA)GetProcAddress(
+ ntdll, "RtlIpv6AddressToStringA");
+ /* TODO: Check these two function pointers */
+
+ iphlpapi = LoadLibrary(TEXT("iphlpapi.dll"));
+ getExtendedTcpTable = (_GetExtendedTcpTable)GetProcAddress(iphlpapi,
+ "GetExtendedTcpTable");
+ getExtendedUdpTable = (_GetExtendedUdpTable)GetProcAddress(iphlpapi,
+ "GetExtendedUdpTable");
+ FreeLibrary(ntdll);
+ FreeLibrary(iphlpapi);
+ }
+
+ if ((getExtendedTcpTable == NULL) || (getExtendedUdpTable == NULL)) {
+ PyErr_SetString(PyExc_NotImplementedError,
+ "feature not supported on this Windows version");
+ _psutil_conn_decref_objs();
+ return NULL;
+ }
+
+ connectionsList = PyList_New(0);
+ if (connectionsList == NULL) {
+ _psutil_conn_decref_objs();
+ return NULL;
+ }
+
+ // TCP IPv4
+
+ if ((PySequence_Contains(af_filter, _AF_INET) == 1) &&
+ (PySequence_Contains(type_filter, _SOCK_STREAM) == 1))
+ {
+ table = NULL;
+ connectionTuple = NULL;
+ addressTupleLocal = NULL;
+ addressTupleRemote = NULL;
+ tableSize = 0;
+ getExtendedTcpTable(NULL, &tableSize, FALSE, AF_INET,
+ TCP_TABLE_OWNER_PID_ALL, 0);
+
+ table = malloc(tableSize);
+ if (table == NULL) {
+ PyErr_NoMemory();
+ goto error;
+ }
+
+ if (getExtendedTcpTable(table, &tableSize, FALSE, AF_INET,
+ TCP_TABLE_OWNER_PID_ALL, 0) == 0)
+ {
+ tcp4Table = table;
+
+ for (i = 0; i < tcp4Table->dwNumEntries; i++)
+ {
+ if (pid != -1) {
+ if (tcp4Table->table[i].dwOwningPid != pid) {
+ continue;
+ }
+ }
+
+ if (tcp4Table->table[i].dwLocalAddr != 0 ||
+ tcp4Table->table[i].dwLocalPort != 0)
+ {
+ struct in_addr addr;
+
+ addr.S_un.S_addr = tcp4Table->table[i].dwLocalAddr;
+ rtlIpv4AddressToStringA(&addr, addressBufferLocal);
+ addressTupleLocal = Py_BuildValue(
+ "(si)",
+ addressBufferLocal,
+ BYTESWAP_USHORT(tcp4Table->table[i].dwLocalPort));
+ }
+ else {
+ addressTupleLocal = PyTuple_New(0);
+ }
+
+ if (addressTupleLocal == NULL)
+ goto error;
+
+ // On Windows <= XP, remote addr is filled even if socket
+ // is in LISTEN mode in which case we just ignore it.
+ if ((tcp4Table->table[i].dwRemoteAddr != 0 ||
+ tcp4Table->table[i].dwRemotePort != 0) &&
+ (tcp4Table->table[i].dwState != MIB_TCP_STATE_LISTEN))
+ {
+ struct in_addr addr;
+
+ addr.S_un.S_addr = tcp4Table->table[i].dwRemoteAddr;
+ rtlIpv4AddressToStringA(&addr, addressBufferRemote);
+ addressTupleRemote = Py_BuildValue(
+ "(si)",
+ addressBufferRemote,
+ BYTESWAP_USHORT(tcp4Table->table[i].dwRemotePort));
+ }
+ else
+ {
+ addressTupleRemote = PyTuple_New(0);
+ }
+
+ if (addressTupleRemote == NULL)
+ goto error;
+
+ connectionTuple = Py_BuildValue(
+ "(iiiNNiI)",
+ -1,
+ AF_INET,
+ SOCK_STREAM,
+ addressTupleLocal,
+ addressTupleRemote,
+ tcp4Table->table[i].dwState,
+ tcp4Table->table[i].dwOwningPid);
+ if (!connectionTuple)
+ goto error;
+ if (PyList_Append(connectionsList, connectionTuple))
+ goto error;
+ Py_DECREF(connectionTuple);
+ }
+ }
+
+ free(table);
+ }
+
+ // TCP IPv6
+
+ if ((PySequence_Contains(af_filter, _AF_INET6) == 1) &&
+ (PySequence_Contains(type_filter, _SOCK_STREAM) == 1))
+ {
+ table = NULL;
+ connectionTuple = NULL;
+ addressTupleLocal = NULL;
+ addressTupleRemote = NULL;
+ tableSize = 0;
+ getExtendedTcpTable(NULL, &tableSize, FALSE, AF_INET6,
+ TCP_TABLE_OWNER_PID_ALL, 0);
+
+ table = malloc(tableSize);
+ if (table == NULL) {
+ PyErr_NoMemory();
+ goto error;
+ }
+
+ if (getExtendedTcpTable(table, &tableSize, FALSE, AF_INET6,
+ TCP_TABLE_OWNER_PID_ALL, 0) == 0)
+ {
+ tcp6Table = table;
+
+ for (i = 0; i < tcp6Table->dwNumEntries; i++)
+ {
+ if (pid != -1) {
+ if (tcp6Table->table[i].dwOwningPid != pid) {
+ continue;
+ }
+ }
+
+ if (memcmp(tcp6Table->table[i].ucLocalAddr, null_address, 16)
+ != 0 || tcp6Table->table[i].dwLocalPort != 0)
+ {
+ struct in6_addr addr;
+
+ memcpy(&addr, tcp6Table->table[i].ucLocalAddr, 16);
+ rtlIpv6AddressToStringA(&addr, addressBufferLocal);
+ addressTupleLocal = Py_BuildValue(
+ "(si)",
+ addressBufferLocal,
+ BYTESWAP_USHORT(tcp6Table->table[i].dwLocalPort));
+ }
+ else
+ {
+ addressTupleLocal = PyTuple_New(0);
+ }
+
+ if (addressTupleLocal == NULL)
+ goto error;
+
+ // On Windows <= XP, remote addr is filled even if socket
+ // is in LISTEN mode in which case we just ignore it.
+ if ((memcmp(tcp6Table->table[i].ucRemoteAddr, null_address, 16)
+ != 0 ||
+ tcp6Table->table[i].dwRemotePort != 0) &&
+ (tcp6Table->table[i].dwState != MIB_TCP_STATE_LISTEN))
+ {
+ struct in6_addr addr;
+
+ memcpy(&addr, tcp6Table->table[i].ucRemoteAddr, 16);
+ rtlIpv6AddressToStringA(&addr, addressBufferRemote);
+ addressTupleRemote = Py_BuildValue(
+ "(si)",
+ addressBufferRemote,
+ BYTESWAP_USHORT(tcp6Table->table[i].dwRemotePort));
+ }
+ else
+ {
+ addressTupleRemote = PyTuple_New(0);
+ }
+
+ if (addressTupleRemote == NULL)
+ goto error;
+
+ connectionTuple = Py_BuildValue(
+ "(iiiNNiI)",
+ -1,
+ AF_INET6,
+ SOCK_STREAM,
+ addressTupleLocal,
+ addressTupleRemote,
+ tcp6Table->table[i].dwState,
+ tcp6Table->table[i].dwOwningPid);
+ if (!connectionTuple)
+ goto error;
+ if (PyList_Append(connectionsList, connectionTuple))
+ goto error;
+ Py_DECREF(connectionTuple);
+ }
+ }
+
+ free(table);
+ }
+
+ // UDP IPv4
+
+ if ((PySequence_Contains(af_filter, _AF_INET) == 1) &&
+ (PySequence_Contains(type_filter, _SOCK_DGRAM) == 1))
+ {
+ table = NULL;
+ connectionTuple = NULL;
+ addressTupleLocal = NULL;
+ addressTupleRemote = NULL;
+ tableSize = 0;
+ getExtendedUdpTable(NULL, &tableSize, FALSE, AF_INET,
+ UDP_TABLE_OWNER_PID, 0);
+
+ table = malloc(tableSize);
+ if (table == NULL) {
+ PyErr_NoMemory();
+ goto error;
+ }
+
+ if (getExtendedUdpTable(table, &tableSize, FALSE, AF_INET,
+ UDP_TABLE_OWNER_PID, 0) == 0)
+ {
+ udp4Table = table;
+
+ for (i = 0; i < udp4Table->dwNumEntries; i++)
+ {
+ if (pid != -1) {
+ if (udp4Table->table[i].dwOwningPid != pid) {
+ continue;
+ }
+ }
+
+ if (udp4Table->table[i].dwLocalAddr != 0 ||
+ udp4Table->table[i].dwLocalPort != 0)
+ {
+ struct in_addr addr;
+
+ addr.S_un.S_addr = udp4Table->table[i].dwLocalAddr;
+ rtlIpv4AddressToStringA(&addr, addressBufferLocal);
+ addressTupleLocal = Py_BuildValue(
+ "(si)",
+ addressBufferLocal,
+ BYTESWAP_USHORT(udp4Table->table[i].dwLocalPort));
+ }
+ else {
+ addressTupleLocal = PyTuple_New(0);
+ }
+
+ if (addressTupleLocal == NULL)
+ goto error;
+
+ connectionTuple = Py_BuildValue(
+ "(iiiNNiI)",
+ -1,
+ AF_INET,
+ SOCK_DGRAM,
+ addressTupleLocal,
+ PyTuple_New(0),
+ PSUTIL_CONN_NONE,
+ udp4Table->table[i].dwOwningPid);
+ if (!connectionTuple)
+ goto error;
+ if (PyList_Append(connectionsList, connectionTuple))
+ goto error;
+ Py_DECREF(connectionTuple);
+ }
+ }
+
+ free(table);
+ }
+
+ // UDP IPv6
+
+ if ((PySequence_Contains(af_filter, _AF_INET6) == 1) &&
+ (PySequence_Contains(type_filter, _SOCK_DGRAM) == 1))
+ {
+ table = NULL;
+ connectionTuple = NULL;
+ addressTupleLocal = NULL;
+ addressTupleRemote = NULL;
+ tableSize = 0;
+ getExtendedUdpTable(NULL, &tableSize, FALSE,
+ AF_INET6, UDP_TABLE_OWNER_PID, 0);
+
+ table = malloc(tableSize);
+ if (table == NULL) {
+ PyErr_NoMemory();
+ goto error;
+ }
+
+ if (getExtendedUdpTable(table, &tableSize, FALSE, AF_INET6,
+ UDP_TABLE_OWNER_PID, 0) == 0)
+ {
+ udp6Table = table;
+
+ for (i = 0; i < udp6Table->dwNumEntries; i++)
+ {
+ if (pid != -1) {
+ if (udp6Table->table[i].dwOwningPid != pid) {
+ continue;
+ }
+ }
+
+ if (memcmp(udp6Table->table[i].ucLocalAddr, null_address, 16)
+ != 0 || udp6Table->table[i].dwLocalPort != 0)
+ {
+ struct in6_addr addr;
+
+ memcpy(&addr, udp6Table->table[i].ucLocalAddr, 16);
+ rtlIpv6AddressToStringA(&addr, addressBufferLocal);
+ addressTupleLocal = Py_BuildValue(
+ "(si)",
+ addressBufferLocal,
+ BYTESWAP_USHORT(udp6Table->table[i].dwLocalPort));
+ }
+ else {
+ addressTupleLocal = PyTuple_New(0);
+ }
+
+ if (addressTupleLocal == NULL)
+ goto error;
+
+ connectionTuple = Py_BuildValue(
+ "(iiiNNiI)",
+ -1,
+ AF_INET6,
+ SOCK_DGRAM,
+ addressTupleLocal,
+ PyTuple_New(0),
+ PSUTIL_CONN_NONE,
+ udp6Table->table[i].dwOwningPid);
+ if (!connectionTuple)
+ goto error;
+ if (PyList_Append(connectionsList, connectionTuple))
+ goto error;
+ Py_DECREF(connectionTuple);
+ }
+ }
+
+ free(table);
+ }
+
+ _psutil_conn_decref_objs();
+ return connectionsList;
+
+error:
+ _psutil_conn_decref_objs();
+ Py_XDECREF(connectionTuple);
+ Py_XDECREF(addressTupleLocal);
+ Py_XDECREF(addressTupleRemote);
+ Py_DECREF(connectionsList);
+ if (table != NULL)
+ free(table);
+ return NULL;
+}
+
+
+/*
+ * Get process priority as a Python integer.
+ */
+static PyObject *
+psutil_proc_priority_get(PyObject *self, PyObject *args)
+{
+ long pid;
+ DWORD priority;
+ HANDLE hProcess;
+ if (! PyArg_ParseTuple(args, "l", &pid)) {
+ return NULL;
+ }
+
+ hProcess = psutil_handle_from_pid(pid);
+ if (hProcess == NULL) {
+ return NULL;
+ }
+
+ priority = GetPriorityClass(hProcess);
+ CloseHandle(hProcess);
+ if (priority == 0) {
+ PyErr_SetFromWindowsErr(0);
+ return NULL;
+ }
+ return Py_BuildValue("i", priority);
+}
+
+
+/*
+ * Set process priority.
+ */
+static PyObject *
+psutil_proc_priority_set(PyObject *self, PyObject *args)
+{
+ long pid;
+ int priority;
+ int retval;
+ HANDLE hProcess;
+ DWORD dwDesiredAccess = \
+ PROCESS_QUERY_INFORMATION | PROCESS_SET_INFORMATION;
+ if (! PyArg_ParseTuple(args, "li", &pid, &priority)) {
+ return NULL;
+ }
+
+ hProcess = psutil_handle_from_pid_waccess(pid, dwDesiredAccess);
+ if (hProcess == NULL) {
+ return NULL;
+ }
+
+ retval = SetPriorityClass(hProcess, priority);
+ CloseHandle(hProcess);
+ if (retval == 0) {
+ PyErr_SetFromWindowsErr(0);
+ return NULL;
+ }
+ Py_INCREF(Py_None);
+ return Py_None;
+}
+
+
+#if (_WIN32_WINNT >= 0x0600) // Windows Vista
+/*
+ * Get process IO priority as a Python integer.
+ */
+static PyObject *
+psutil_proc_io_priority_get(PyObject *self, PyObject *args)
+{
+ long pid;
+ HANDLE hProcess;
+ PULONG IoPriority;
+
+ _NtQueryInformationProcess NtQueryInformationProcess =
+ (_NtQueryInformationProcess)GetProcAddress(
+ GetModuleHandleA("ntdll.dll"), "NtQueryInformationProcess");
+
+ if (! PyArg_ParseTuple(args, "l", &pid)) {
+ return NULL;
+ }
+ hProcess = psutil_handle_from_pid(pid);
+ if (hProcess == NULL) {
+ return NULL;
+ }
+
+ NtQueryInformationProcess(
+ hProcess,
+ ProcessIoPriority,
+ &IoPriority,
+ sizeof(ULONG),
+ NULL
+ );
+ CloseHandle(hProcess);
+ return Py_BuildValue("i", IoPriority);
+}
+
+
+/*
+ * Set process IO priority.
+ */
+static PyObject *
+psutil_proc_io_priority_set(PyObject *self, PyObject *args)
+{
+ long pid;
+ int prio;
+ HANDLE hProcess;
+
+ _NtSetInformationProcess NtSetInformationProcess =
+ (_NtSetInformationProcess)GetProcAddress(
+ GetModuleHandleA("ntdll.dll"), "NtSetInformationProcess");
+
+ if (NtSetInformationProcess == NULL) {
+ PyErr_SetString(PyExc_RuntimeError,
+ "couldn't get NtSetInformationProcess");
+ return NULL;
+ }
+
+ if (! PyArg_ParseTuple(args, "li", &pid, &prio)) {
+ return NULL;
+ }
+ hProcess = psutil_handle_from_pid_waccess(pid, PROCESS_ALL_ACCESS);
+ if (hProcess == NULL) {
+ return NULL;
+ }
+
+ NtSetInformationProcess(
+ hProcess,
+ ProcessIoPriority,
+ (PVOID)&prio,
+ sizeof((PVOID)prio)
+ );
+
+ CloseHandle(hProcess);
+ Py_INCREF(Py_None);
+ return Py_None;
+}
+#endif
+
+
+/*
+ * Return a Python tuple referencing process I/O counters.
+ */
+static PyObject *
+psutil_proc_io_counters(PyObject *self, PyObject *args)
+{
+ DWORD pid;
+ HANDLE hProcess;
+ IO_COUNTERS IoCounters;
+
+ if (! PyArg_ParseTuple(args, "l", &pid)) {
+ return NULL;
+ }
+ hProcess = psutil_handle_from_pid(pid);
+ if (NULL == hProcess) {
+ return NULL;
+ }
+ if (! GetProcessIoCounters(hProcess, &IoCounters)) {
+ CloseHandle(hProcess);
+ return PyErr_SetFromWindowsErr(0);
+ }
+ CloseHandle(hProcess);
+ return Py_BuildValue("(KKKK)",
+ IoCounters.ReadOperationCount,
+ IoCounters.WriteOperationCount,
+ IoCounters.ReadTransferCount,
+ IoCounters.WriteTransferCount);
+}
+
+
+/*
+ * Alternative implementation of the one above but bypasses ACCESS DENIED.
+ */
+static PyObject *
+psutil_proc_io_counters_2(PyObject *self, PyObject *args)
+{
+ DWORD pid;
+ PSYSTEM_PROCESS_INFORMATION process;
+ PVOID buffer;
+ LONGLONG rcount, wcount, rbytes, wbytes;
+
+ if (! PyArg_ParseTuple(args, "l", &pid)) {
+ return NULL;
+ }
+ if (! psutil_get_proc_info(pid, &process, &buffer)) {
+ return NULL;
+ }
+ rcount = process->ReadOperationCount.QuadPart;
+ wcount = process->WriteOperationCount.QuadPart;
+ rbytes = process->ReadTransferCount.QuadPart;
+ wbytes = process->WriteTransferCount.QuadPart;
+ free(buffer);
+ return Py_BuildValue("KKKK", rcount, wcount, rbytes, wbytes);
+}
+
+
+/*
+ * Return process CPU affinity as a bitmask
+ */
+static PyObject *
+psutil_proc_cpu_affinity_get(PyObject *self, PyObject *args)
+{
+ DWORD pid;
+ HANDLE hProcess;
+ PDWORD_PTR proc_mask;
+ PDWORD_PTR system_mask;
+
+ if (! PyArg_ParseTuple(args, "l", &pid)) {
+ return NULL;
+ }
+ hProcess = psutil_handle_from_pid(pid);
+ if (hProcess == NULL) {
+ return NULL;
+ }
+ if (GetProcessAffinityMask(hProcess, &proc_mask, &system_mask) == 0) {
+ CloseHandle(hProcess);
+ return PyErr_SetFromWindowsErr(0);
+ }
+
+ CloseHandle(hProcess);
+#ifdef _WIN64
+ return Py_BuildValue("K", (unsigned long long)proc_mask);
+#else
+ return Py_BuildValue("k", (unsigned long)proc_mask);
+#endif
+}
+
+
+/*
+ * Set process CPU affinity
+ */
+static PyObject *
+psutil_proc_cpu_affinity_set(PyObject *self, PyObject *args)
+{
+ DWORD pid;
+ HANDLE hProcess;
+ DWORD dwDesiredAccess = \
+ PROCESS_QUERY_INFORMATION | PROCESS_SET_INFORMATION;
+ DWORD_PTR mask;
+
+#ifdef _WIN64
+ if (! PyArg_ParseTuple(args, "lK", &pid, &mask))
+#else
+ if (! PyArg_ParseTuple(args, "lk", &pid, &mask))
+#endif
+ {
+ return NULL;
+ }
+ hProcess = psutil_handle_from_pid_waccess(pid, dwDesiredAccess);
+ if (hProcess == NULL) {
+ return NULL;
+ }
+
+ if (SetProcessAffinityMask(hProcess, mask) == 0) {
+ CloseHandle(hProcess);
+ return PyErr_SetFromWindowsErr(0);
+ }
+
+ CloseHandle(hProcess);
+ Py_INCREF(Py_None);
+ return Py_None;
+}
+
+
+/*
+ * Return True if one of the process threads is in a waiting or
+ * suspended status.
+ */
+static PyObject *
+psutil_proc_is_suspended(PyObject *self, PyObject *args)
+{
+ DWORD pid;
+ ULONG i;
+ PSYSTEM_PROCESS_INFORMATION process;
+ PVOID buffer;
+
+ if (! PyArg_ParseTuple(args, "l", &pid)) {
+ return NULL;
+ }
+ if (! psutil_get_proc_info(pid, &process, &buffer)) {
+ return NULL;
+ }
+ for (i = 0; i < process->NumberOfThreads; i++) {
+ if (process->Threads[i].ThreadState != Waiting ||
+ process->Threads[i].WaitReason != Suspended)
+ {
+ free(buffer);
+ Py_RETURN_FALSE;
+ }
+ }
+ free(buffer);
+ Py_RETURN_TRUE;
+}
+
+
+/*
+ * Return path's disk total and free as a Python tuple.
+ */
+static PyObject *
+psutil_disk_usage(PyObject *self, PyObject *args)
+{
+ BOOL retval;
+ ULARGE_INTEGER _, total, free;
+ char *path;
+
+ if (PyArg_ParseTuple(args, "u", &path)) {
+ Py_BEGIN_ALLOW_THREADS
+ retval = GetDiskFreeSpaceExW((LPCWSTR)path, &_, &total, &free);
+ Py_END_ALLOW_THREADS
+ goto return_;
+ }
+
+ // on Python 2 we also want to accept plain strings other
+ // than Unicode
+#if PY_MAJOR_VERSION <= 2
+ PyErr_Clear(); // drop the argument parsing error
+ if (PyArg_ParseTuple(args, "s", &path)) {
+ Py_BEGIN_ALLOW_THREADS
+ retval = GetDiskFreeSpaceEx(path, &_, &total, &free);
+ Py_END_ALLOW_THREADS
+ goto return_;
+ }
+#endif
+
+ return NULL;
+
+return_:
+ if (retval == 0)
+ return PyErr_SetFromWindowsErr(0);
+ else
+ return Py_BuildValue("(LL)", total.QuadPart, free.QuadPart);
+}
+
+
+/*
+ * Return a Python list of named tuples with overall network I/O information
+ */
+static PyObject *
+psutil_net_io_counters(PyObject *self, PyObject *args)
+{
+ int attempts = 0;
+ int i;
+ int outBufLen = 15000;
+ char ifname[MAX_PATH];
+ DWORD dwRetVal = 0;
+ MIB_IFROW *pIfRow = NULL;
+ ULONG flags = 0;
+ ULONG family = AF_UNSPEC;
+ PIP_ADAPTER_ADDRESSES pAddresses = NULL;
+ PIP_ADAPTER_ADDRESSES pCurrAddresses = NULL;
+
+ PyObject *py_retdict = PyDict_New();
+ PyObject *py_nic_info = NULL;
+ PyObject *py_nic_name = NULL;
+
+ if (py_retdict == NULL) {
+ return NULL;
+ }
+ do {
+ pAddresses = (IP_ADAPTER_ADDRESSES *) malloc(outBufLen);
+ if (pAddresses == NULL) {
+ PyErr_NoMemory();
+ goto error;
+ }
+
+ dwRetVal = GetAdaptersAddresses(family, flags, NULL, pAddresses,
+ &outBufLen);
+ if (dwRetVal == ERROR_BUFFER_OVERFLOW) {
+ free(pAddresses);
+ pAddresses = NULL;
+ }
+ else {
+ break;
+ }
+
+ attempts++;
+ } while ((dwRetVal == ERROR_BUFFER_OVERFLOW) && (attempts < 3));
+
+ if (dwRetVal != NO_ERROR) {
+ PyErr_SetString(PyExc_RuntimeError, "GetAdaptersAddresses() failed.");
+ goto error;
+ }
+
+ pCurrAddresses = pAddresses;
+ while (pCurrAddresses) {
+ py_nic_name = NULL;
+ py_nic_info = NULL;
+ pIfRow = (MIB_IFROW *) malloc(sizeof(MIB_IFROW));
+
+ if (pIfRow == NULL) {
+ PyErr_NoMemory();
+ goto error;
+ }
+
+ pIfRow->dwIndex = pCurrAddresses->IfIndex;
+ dwRetVal = GetIfEntry(pIfRow);
+ if (dwRetVal != NO_ERROR) {
+ PyErr_SetString(PyExc_RuntimeError, "GetIfEntry() failed.");
+ goto error;
+ }
+
+ py_nic_info = Py_BuildValue("(kkkkkkkk)",
+ pIfRow->dwOutOctets,
+ pIfRow->dwInOctets,
+ pIfRow->dwOutUcastPkts,
+ pIfRow->dwInUcastPkts,
+ pIfRow->dwInErrors,
+ pIfRow->dwOutErrors,
+ pIfRow->dwInDiscards,
+ pIfRow->dwOutDiscards);
+ if (!py_nic_info)
+ goto error;
+
+ sprintf(ifname, "%wS", pCurrAddresses->FriendlyName);
+
+#if PY_MAJOR_VERSION >= 3
+ // XXX - Dirty hack to avoid encoding errors on Python 3, see:
+ // https://code.google.com/p/psutil/issues/detail?id=446#c9
+ for (i = 0; i < MAX_PATH; i++) {
+ if (*(ifname+i) < 0 || *(ifname+i) > 256) {
+ // replace the non unicode character
+ *(ifname+i) = '?';
+ }
+ else if (*(ifname+i) == '\0') {
+ break;
+ }
+ }
+#endif
+ py_nic_name = Py_BuildValue("s", ifname);
+ if (py_nic_name == NULL)
+ goto error;
+ if (PyDict_SetItem(py_retdict, py_nic_name, py_nic_info))
+ goto error;
+ Py_XDECREF(py_nic_name);
+ Py_XDECREF(py_nic_info);
+
+ free(pIfRow);
+ pCurrAddresses = pCurrAddresses->Next;
+ }
+
+ free(pAddresses);
+ return py_retdict;
+
+error:
+ Py_XDECREF(py_nic_name);
+ Py_XDECREF(py_nic_info);
+ Py_DECREF(py_retdict);
+ if (pAddresses != NULL)
+ free(pAddresses);
+ if (pIfRow != NULL)
+ free(pIfRow);
+ return NULL;
+}
+
+// fix for mingw32, see
+// https://code.google.com/p/psutil/issues/detail?id=351#c2
+typedef struct _DISK_PERFORMANCE_WIN_2008 {
+ LARGE_INTEGER BytesRead;
+ LARGE_INTEGER BytesWritten;
+ LARGE_INTEGER ReadTime;
+ LARGE_INTEGER WriteTime;
+ LARGE_INTEGER IdleTime;
+ DWORD ReadCount;
+ DWORD WriteCount;
+ DWORD QueueDepth;
+ DWORD SplitCount;
+ LARGE_INTEGER QueryTime;
+ DWORD StorageDeviceNumber;
+ WCHAR StorageManagerName[8];
+} DISK_PERFORMANCE_WIN_2008;
+
+/*
+ * Return a Python dict of tuples for disk I/O information
+ */
+static PyObject *
+psutil_disk_io_counters(PyObject *self, PyObject *args)
+{
+ DISK_PERFORMANCE_WIN_2008 diskPerformance;
+ DWORD dwSize;
+ HANDLE hDevice = NULL;
+ char szDevice[MAX_PATH];
+ char szDeviceDisplay[MAX_PATH];
+ int devNum;
+ PyObject *py_retdict = PyDict_New();
+ PyObject *py_disk_info = NULL;
+ if (py_retdict == NULL) {
+ return NULL;
+ }
+
+ // Apparently there's no way to figure out how many times we have
+ // to iterate in order to find valid drives.
+ // Let's assume 32, which is higher than 26, the number of letters
+ // in the alphabet (from A:\ to Z:\).
+ for (devNum = 0; devNum <= 32; ++devNum) {
+ py_disk_info = NULL;
+ sprintf(szDevice, "\\\\.\\PhysicalDrive%d", devNum);
+ hDevice = CreateFile(szDevice, 0, FILE_SHARE_READ | FILE_SHARE_WRITE,
+ NULL, OPEN_EXISTING, 0, NULL);
+
+ if (hDevice == INVALID_HANDLE_VALUE) {
+ continue;
+ }
+ if (DeviceIoControl(hDevice, IOCTL_DISK_PERFORMANCE, NULL, 0,
+ &diskPerformance, sizeof(diskPerformance),
+ &dwSize, NULL))
+ {
+ sprintf(szDeviceDisplay, "PhysicalDrive%d", devNum);
+ py_disk_info = Py_BuildValue(
+ "(IILLLL)",
+ diskPerformance.ReadCount,
+ diskPerformance.WriteCount,
+ diskPerformance.BytesRead,
+ diskPerformance.BytesWritten,
+ (diskPerformance.ReadTime.QuadPart * 10) / 1000,
+ (diskPerformance.WriteTime.QuadPart * 10) / 1000);
+ if (!py_disk_info)
+ goto error;
+ if (PyDict_SetItemString(py_retdict, szDeviceDisplay,
+ py_disk_info))
+ {
+ goto error;
+ }
+ Py_XDECREF(py_disk_info);
+ }
+ else {
+ // XXX we might get here with ERROR_INSUFFICIENT_BUFFER when
+ // compiling with mingw32; not sure what to do.
+ // return PyErr_SetFromWindowsErr(0);
+ ;;
+ }
+
+ CloseHandle(hDevice);
+ }
+
+ return py_retdict;
+
+error:
+ Py_XDECREF(py_disk_info);
+ Py_DECREF(py_retdict);
+ if (hDevice != NULL)
+ CloseHandle(hDevice);
+ return NULL;
+}
+
+
+static char *psutil_get_drive_type(int type)
+{
+ switch (type) {
+ case DRIVE_FIXED:
+ return "fixed";
+ case DRIVE_CDROM:
+ return "cdrom";
+ case DRIVE_REMOVABLE:
+ return "removable";
+ case DRIVE_UNKNOWN:
+ return "unknown";
+ case DRIVE_NO_ROOT_DIR:
+ return "unmounted";
+ case DRIVE_REMOTE:
+ return "remote";
+ case DRIVE_RAMDISK:
+ return "ramdisk";
+ default:
+ return "?";
+ }
+}
+
+
+#ifndef _ARRAYSIZE
+#define _ARRAYSIZE(a) (sizeof(a)/sizeof(a[0]))
+#endif
+
+/*
+ * Return disk partitions as a list of tuples such as
+ * (drive_letter, drive_letter, type, "")
+ */
+static PyObject *
+psutil_disk_partitions(PyObject *self, PyObject *args)
+{
+ DWORD num_bytes;
+ char drive_strings[255];
+ char *drive_letter = drive_strings;
+ int all;
+ int type;
+ int ret;
+ char opts[20];
+ LPTSTR fs_type[MAX_PATH + 1] = { 0 };
+ DWORD pflags = 0;
+ PyObject *py_all;
+ PyObject *py_retlist = PyList_New(0);
+ PyObject *py_tuple = NULL;
+
+ if (py_retlist == NULL) {
+ return NULL;
+ }
+
+ // avoid to visualize a message box in case something goes wrong
+ // see http://code.google.com/p/psutil/issues/detail?id=264
+ SetErrorMode(SEM_FAILCRITICALERRORS);
+
+ if (! PyArg_ParseTuple(args, "O", &py_all)) {
+ goto error;
+ }
+ all = PyObject_IsTrue(py_all);
+
+ Py_BEGIN_ALLOW_THREADS
+ num_bytes = GetLogicalDriveStrings(254, drive_letter);
+ Py_END_ALLOW_THREADS
+
+ if (num_bytes == 0) {
+ PyErr_SetFromWindowsErr(0);
+ goto error;
+ }
+
+ while (*drive_letter != 0) {
+ py_tuple = NULL;
+ opts[0] = 0;
+ fs_type[0] = 0;
+
+ Py_BEGIN_ALLOW_THREADS
+ type = GetDriveType(drive_letter);
+ Py_END_ALLOW_THREADS
+
+ // by default we only show hard drives and cd-roms
+ if (all == 0) {
+ if ((type == DRIVE_UNKNOWN) ||
+ (type == DRIVE_NO_ROOT_DIR) ||
+ (type == DRIVE_REMOTE) ||
+ (type == DRIVE_RAMDISK)) {
+ goto next;
+ }
+ // floppy disk: skip it by default as it introduces a
+ // considerable slowdown.
+ if ((type == DRIVE_REMOVABLE) &&
+ (strcmp(drive_letter, "A:\\") == 0)) {
+ goto next;
+ }
+ }
+
+ ret = GetVolumeInformation(
+ (LPCTSTR)drive_letter, NULL, _ARRAYSIZE(drive_letter),
+ NULL, NULL, &pflags, (LPTSTR)fs_type, _ARRAYSIZE(fs_type));
+ if (ret == 0) {
+ // We might get here in case of a floppy hard drive, in
+ // which case the error is (21, "device not ready").
+ // Let's pretend it didn't happen as we already have
+ // the drive name and type ('removable').
+ strcat(opts, "");
+ SetLastError(0);
+ }
+ else {
+ if (pflags & FILE_READ_ONLY_VOLUME) {
+ strcat(opts, "ro");
+ }
+ else {
+ strcat(opts, "rw");
+ }
+ if (pflags & FILE_VOLUME_IS_COMPRESSED) {
+ strcat(opts, ",compressed");
+ }
+ }
+
+ if (strlen(opts) > 0) {
+ strcat(opts, ",");
+ }
+ strcat(opts, psutil_get_drive_type(type));
+
+ py_tuple = Py_BuildValue(
+ "(ssss)",
+ drive_letter,
+ drive_letter,
+ fs_type, // either FAT, FAT32, NTFS, HPFS, CDFS, UDF or NWFS
+ opts);
+ if (!py_tuple)
+ goto error;
+ if (PyList_Append(py_retlist, py_tuple))
+ goto error;
+ Py_DECREF(py_tuple);
+ goto next;
+
+next:
+ drive_letter = strchr(drive_letter, 0) + 1;
+ }
+
+ SetErrorMode(0);
+ return py_retlist;
+
+error:
+ SetErrorMode(0);
+ Py_XDECREF(py_tuple);
+ Py_DECREF(py_retlist);
+ return NULL;
+}
+
+
+#ifdef UNICODE
+#define WTSOpenServer WTSOpenServerW
+#else
+#define WTSOpenServer WTSOpenServerA
+#endif
+
+
+/*
+ * Return a Python dict of tuples for disk I/O information
+ */
+static PyObject *
+psutil_users(PyObject *self, PyObject *args)
+{
+ HANDLE hServer = NULL;
+ LPTSTR buffer_user = NULL;
+ LPTSTR buffer_addr = NULL;
+ PWTS_SESSION_INFO sessions = NULL;
+ DWORD count;
+ DWORD i;
+ DWORD sessionId;
+ DWORD bytes;
+ PWTS_CLIENT_ADDRESS address;
+ char address_str[50];
+ long long unix_time;
+
+ PWINSTATIONQUERYINFORMATIONW WinStationQueryInformationW;
+ WINSTATION_INFO station_info;
+ HINSTANCE hInstWinSta = NULL;
+ ULONG returnLen;
+
+ PyObject *py_retlist = PyList_New(0);
+ PyObject *py_tuple = NULL;
+ PyObject *py_address = NULL;
+ if (py_retlist == NULL) {
+ return NULL;
+ }
+
+ hInstWinSta = LoadLibraryA("winsta.dll");
+ WinStationQueryInformationW = (PWINSTATIONQUERYINFORMATIONW) \
+ GetProcAddress(hInstWinSta, "WinStationQueryInformationW");
+
+ hServer = WTSOpenServer('\0');
+ if (hServer == NULL) {
+ PyErr_SetFromWindowsErr(0);
+ goto error;
+ }
+
+ if (WTSEnumerateSessions(hServer, 0, 1, &sessions, &count) == 0) {
+ PyErr_SetFromWindowsErr(0);
+ goto error;
+ }
+
+ for (i = 0; i < count; i++) {
+ py_address = NULL;
+ py_tuple = NULL;
+ sessionId = sessions[i].SessionId;
+ if (buffer_user != NULL) {
+ WTSFreeMemory(buffer_user);
+ }
+ if (buffer_addr != NULL) {
+ WTSFreeMemory(buffer_addr);
+ }
+
+ buffer_user = NULL;
+ buffer_addr = NULL;
+
+ // username
+ bytes = 0;
+ if (WTSQuerySessionInformation(hServer, sessionId, WTSUserName,
+ &buffer_user, &bytes) == 0) {
+ PyErr_SetFromWindowsErr(0);
+ goto error;
+ }
+ if (bytes == 1) {
+ continue;
+ }
+
+ // address
+ bytes = 0;
+ if (WTSQuerySessionInformation(hServer, sessionId, WTSClientAddress,
+ &buffer_addr, &bytes) == 0) {
+ PyErr_SetFromWindowsErr(0);
+ goto error;
+ }
+
+ address = (PWTS_CLIENT_ADDRESS)buffer_addr;
+ if (address->AddressFamily == 0) { // AF_INET
+ sprintf(address_str,
+ "%u.%u.%u.%u",
+ address->Address[0],
+ address->Address[1],
+ address->Address[2],
+ address->Address[3]);
+ py_address = Py_BuildValue("s", address_str);
+ if (!py_address)
+ goto error;
+ }
+ else {
+ py_address = Py_None;
+ }
+
+ // login time
+ if (!WinStationQueryInformationW(hServer,
+ sessionId,
+ WinStationInformation,
+ &station_info,
+ sizeof(station_info),
+ &returnLen))
+ {
+ goto error;
+ }
+
+ unix_time = ((LONGLONG)station_info.ConnectTime.dwHighDateTime) << 32;
+ unix_time += \
+ station_info.ConnectTime.dwLowDateTime - 116444736000000000LL;
+ unix_time /= 10000000;
+
+ py_tuple = Py_BuildValue("sOd", buffer_user, py_address,
+ (double)unix_time);
+ if (!py_tuple)
+ goto error;
+ if (PyList_Append(py_retlist, py_tuple))
+ goto error;
+ Py_XDECREF(py_address);
+ Py_XDECREF(py_tuple);
+ }
+
+ WTSCloseServer(hServer);
+ WTSFreeMemory(sessions);
+ WTSFreeMemory(buffer_user);
+ WTSFreeMemory(buffer_addr);
+ FreeLibrary(hInstWinSta);
+ return py_retlist;
+
+error:
+ Py_XDECREF(py_tuple);
+ Py_XDECREF(py_address);
+ Py_DECREF(py_retlist);
+
+ if (hInstWinSta != NULL) {
+ FreeLibrary(hInstWinSta);
+ }
+ if (hServer != NULL) {
+ WTSCloseServer(hServer);
+ }
+ if (sessions != NULL) {
+ WTSFreeMemory(sessions);
+ }
+ if (buffer_user != NULL) {
+ WTSFreeMemory(buffer_user);
+ }
+ if (buffer_addr != NULL) {
+ WTSFreeMemory(buffer_addr);
+ }
+ return NULL;
+}
+
+
+/*
+ * Return the number of handles opened by process.
+ */
+static PyObject *
+psutil_proc_num_handles(PyObject *self, PyObject *args)
+{
+ DWORD pid;
+ HANDLE hProcess;
+ DWORD handleCount;
+
+ if (! PyArg_ParseTuple(args, "l", &pid)) {
+ return NULL;
+ }
+ hProcess = psutil_handle_from_pid(pid);
+ if (NULL == hProcess) {
+ return NULL;
+ }
+ if (! GetProcessHandleCount(hProcess, &handleCount)) {
+ CloseHandle(hProcess);
+ return PyErr_SetFromWindowsErr(0);
+ }
+ CloseHandle(hProcess);
+ return Py_BuildValue("k", handleCount);
+}
+
+
+/*
+ * Alternative implementation of the one above but bypasses ACCESS DENIED.
+ */
+static PyObject *
+psutil_proc_num_handles_2(PyObject *self, PyObject *args)
+{
+ DWORD pid;
+ PSYSTEM_PROCESS_INFORMATION process;
+ PVOID buffer;
+ ULONG count;
+
+ if (! PyArg_ParseTuple(args, "l", &pid)) {
+ return NULL;
+ }
+ if (! psutil_get_proc_info(pid, &process, &buffer)) {
+ return NULL;
+ }
+ count = process->HandleCount;
+ free(buffer);
+ return Py_BuildValue("k", count);
+}
+
+
+/*
+ * Return the number of context switches executed by process.
+ */
+static PyObject *
+psutil_proc_num_ctx_switches(PyObject *self, PyObject *args)
+{
+ DWORD pid;
+ PSYSTEM_PROCESS_INFORMATION process;
+ PVOID buffer;
+ ULONG i;
+ ULONG total = 0;
+
+ if (! PyArg_ParseTuple(args, "l", &pid)) {
+ return NULL;
+ }
+ if (! psutil_get_proc_info(pid, &process, &buffer)) {
+ return NULL;
+ }
+ for (i = 0; i < process->NumberOfThreads; i++) {
+ total += process->Threads[i].ContextSwitches;
+ }
+ free(buffer);
+ return Py_BuildValue("ki", total, 0);
+}
+
+
+static char *get_region_protection_string(ULONG protection)
+{
+ switch (protection & 0xff) {
+ case PAGE_NOACCESS:
+ return "";
+ case PAGE_READONLY:
+ return "r";
+ case PAGE_READWRITE:
+ return "rw";
+ case PAGE_WRITECOPY:
+ return "wc";
+ case PAGE_EXECUTE:
+ return "x";
+ case PAGE_EXECUTE_READ:
+ return "xr";
+ case PAGE_EXECUTE_READWRITE:
+ return "xrw";
+ case PAGE_EXECUTE_WRITECOPY:
+ return "xwc";
+ default:
+ return "?";
+ }
+}
+
+
+/*
+ * Return a list of process's memory mappings.
+ */
+static PyObject *
+psutil_proc_memory_maps(PyObject *self, PyObject *args)
+{
+ DWORD pid;
+ HANDLE hProcess = NULL;
+ MEMORY_BASIC_INFORMATION basicInfo;
+ PVOID baseAddress;
+ PVOID previousAllocationBase;
+ CHAR mappedFileName[MAX_PATH];
+ SYSTEM_INFO system_info;
+ LPVOID maxAddr;
+ PyObject *py_list = PyList_New(0);
+ PyObject *py_tuple = NULL;
+
+ if (py_list == NULL) {
+ return NULL;
+ }
+ if (! PyArg_ParseTuple(args, "l", &pid)) {
+ goto error;
+ }
+ hProcess = psutil_handle_from_pid(pid);
+ if (NULL == hProcess) {
+ goto error;
+ }
+
+ GetSystemInfo(&system_info);
+ maxAddr = system_info.lpMaximumApplicationAddress;
+ baseAddress = NULL;
+ previousAllocationBase = NULL;
+
+ while (VirtualQueryEx(hProcess, baseAddress, &basicInfo,
+ sizeof(MEMORY_BASIC_INFORMATION)))
+ {
+ py_tuple = NULL;
+ if (baseAddress > maxAddr) {
+ break;
+ }
+ if (GetMappedFileNameA(hProcess, baseAddress, mappedFileName,
+ sizeof(mappedFileName)))
+ {
+ py_tuple = Py_BuildValue(
+ "(kssI)",
+ (unsigned long)baseAddress,
+ get_region_protection_string(basicInfo.Protect),
+ mappedFileName,
+ basicInfo.RegionSize);
+ if (!py_tuple)
+ goto error;
+ if (PyList_Append(py_list, py_tuple))
+ goto error;
+ Py_DECREF(py_tuple);
+ }
+ previousAllocationBase = basicInfo.AllocationBase;
+ baseAddress = (PCHAR)baseAddress + basicInfo.RegionSize;
+ }
+
+ CloseHandle(hProcess);
+ return py_list;
+
+error:
+ Py_XDECREF(py_tuple);
+ Py_DECREF(py_list);
+ if (hProcess != NULL)
+ CloseHandle(hProcess);
+ return NULL;
+}
+
+
+/*
+ * Return a {pid:ppid, ...} dict for all running processes.
+ */
+static PyObject *
+psutil_ppid_map(PyObject *self, PyObject *args)
+{
+ PyObject *pid = NULL;
+ PyObject *ppid = NULL;
+ PyObject *py_retdict = PyDict_New();
+ HANDLE handle = NULL;
+ PROCESSENTRY32 pe = {0};
+ pe.dwSize = sizeof(PROCESSENTRY32);
+
+ if (py_retdict == NULL)
+ return NULL;
+ handle = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
+ if (handle == INVALID_HANDLE_VALUE) {
+ PyErr_SetFromWindowsErr(0);
+ Py_DECREF(py_retdict);
+ return NULL;
+ }
+
+ if (Process32First(handle, &pe)) {
+ do {
+ pid = Py_BuildValue("I", pe.th32ProcessID);
+ if (pid == NULL)
+ goto error;
+ ppid = Py_BuildValue("I", pe.th32ParentProcessID);
+ if (ppid == NULL)
+ goto error;
+ if (PyDict_SetItem(py_retdict, pid, ppid))
+ goto error;
+ Py_DECREF(pid);
+ Py_DECREF(ppid);
+ } while (Process32Next(handle, &pe));
+ }
+
+ CloseHandle(handle);
+ return py_retdict;
+
+error:
+ Py_XDECREF(pid);
+ Py_XDECREF(ppid);
+ Py_DECREF(py_retdict);
+ CloseHandle(handle);
+ return NULL;
+}
+
+
+// ------------------------ Python init ---------------------------
+
+static PyMethodDef
+PsutilMethods[] =
+{
+ // --- per-process functions
+
+ {"proc_cmdline", psutil_proc_cmdline, METH_VARARGS,
+ "Return process cmdline as a list of cmdline arguments"},
+ {"proc_exe", psutil_proc_exe, METH_VARARGS,
+ "Return path of the process executable"},
+ {"proc_kill", psutil_proc_kill, METH_VARARGS,
+ "Kill the process identified by the given PID"},
+ {"proc_cpu_times", psutil_proc_cpu_times, METH_VARARGS,
+ "Return tuple of user/kern time for the given PID"},
+ {"proc_create_time", psutil_proc_create_time, METH_VARARGS,
+ "Return a float indicating the process create time expressed in "
+ "seconds since the epoch"},
+ {"proc_memory_info", psutil_proc_memory_info, METH_VARARGS,
+ "Return a tuple of process memory information"},
+ {"proc_cwd", psutil_proc_cwd, METH_VARARGS,
+ "Return process current working directory"},
+ {"proc_suspend", psutil_proc_suspend, METH_VARARGS,
+ "Suspend a process"},
+ {"proc_resume", psutil_proc_resume, METH_VARARGS,
+ "Resume a process"},
+ {"proc_open_files", psutil_proc_open_files, METH_VARARGS,
+ "Return files opened by process"},
+ {"proc_username", psutil_proc_username, METH_VARARGS,
+ "Return the username of a process"},
+ {"proc_num_threads", psutil_proc_num_threads, METH_VARARGS,
+ "Return the network connections of a process"},
+ {"proc_threads", psutil_proc_threads, METH_VARARGS,
+ "Return process threads information as a list of tuple"},
+ {"proc_wait", psutil_proc_wait, METH_VARARGS,
+ "Wait for process to terminate and return its exit code."},
+
<TRUNCATED>