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- win32.c: reformatting parts of the code and cleaning out the ugly PTYPE syntax from win32-api 

- win32.c: use win32 constants for buffers holding counter names or paths
This commit is contained in:
Stefan Gehn 2008-09-30 16:48:09 +00:00
parent cb4a2344eb
commit 2ac45ba0de
1 changed files with 114 additions and 102 deletions
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216
src/sysdeps/win32.c
View File

@ -53,17 +53,19 @@
NTSTATUS NTAPI ZwQuerySystemInformation( NTSTATUS NTAPI ZwQuerySystemInformation(
/*IN*/ UINT SystemInformationClass, /*IN*/ UINT SystemInformationClass,
/*IN OUT*/ PVOID SystemInformation, /*IN OUT*/ VOID *SystemInformation,
/*IN*/ ULONG SystemInformationLength, /*IN*/ ULONG SystemInformationLength,
/*OUT*/ PULONG ReturnLength /*OPTIONAL*/); /*OUT*/ ULONG *ReturnLength /*OPTIONAL*/);
typedef struct _SYSTEM_PAGEFILE_INFORMATION { typedef struct _SYSTEM_PAGEFILE_INFORMATION
{
ULONG NextEntryOffset; ULONG NextEntryOffset;
ULONG CurrentSize; ULONG CurrentSize;
ULONG TotalUsed; ULONG TotalUsed;
ULONG PeakUsed; ULONG PeakUsed;
UNICODE_STRING FileName; UNICODE_STRING FileName;
} SYSTEM_PAGEFILE_INFORMATION, *PSYSTEM_PAGEFILE_INFORMATION; }
SYSTEM_PAGEFILE_INFORMATION;
// ---------------------------------------------------------------------------- // ----------------------------------------------------------------------------
@ -71,7 +73,8 @@ typedef struct _SYSTEM_PAGEFILE_INFORMATION {
// These should be in ntsecapi.h but are missing in MinGW currently. // These should be in ntsecapi.h but are missing in MinGW currently.
// Docs: http://msdn.microsoft.com/en-us/library/aa378290(VS.85).aspx // Docs: http://msdn.microsoft.com/en-us/library/aa378290(VS.85).aspx
typedef struct _SECURITY_LOGON_SESSION_DATA { typedef struct _SECURITY_LOGON_SESSION_DATA
{
ULONG Size; ULONG Size;
LUID LogonId; LUID LogonId;
LSA_UNICODE_STRING UserName; LSA_UNICODE_STRING UserName;
@ -84,14 +87,15 @@ typedef struct _SECURITY_LOGON_SESSION_DATA {
LSA_UNICODE_STRING LogonServer; LSA_UNICODE_STRING LogonServer;
LSA_UNICODE_STRING DnsDomainName; LSA_UNICODE_STRING DnsDomainName;
LSA_UNICODE_STRING Upn; LSA_UNICODE_STRING Upn;
} SECURITY_LOGON_SESSION_DATA, *PSECURITY_LOGON_SESSION_DATA; }
SECURITY_LOGON_SESSION_DATA;
// Definitions for function pointers (functions resolved manually at runtime) // Definitions for function pointers (functions resolved manually at runtime)
typedef NTSTATUS (NTAPI *pfLsaEnumerateLogonSessions)( typedef NTSTATUS (NTAPI *pfLsaEnumerateLogonSessions)(
PULONG LogonSessionCount, PLUID *LogonSessionList); ULONG *LogonSessionCount, LUID **LogonSessionList);
typedef NTSTATUS (NTAPI *pfLsaGetLogonSessionData)( typedef NTSTATUS (NTAPI *pfLsaGetLogonSessionData)(
PLUID LogonId, PSECURITY_LOGON_SESSION_DATA *ppLogonSessionData); LUID *LogonId, SECURITY_LOGON_SESSION_DATA **ppLogonSessionData);
typedef NTSTATUS (NTAPI *pfLsaFreeReturnBuffer)(PVOID Buffer); typedef NTSTATUS (NTAPI *pfLsaFreeReturnBuffer)(VOID *Buffer);
// ---------------------------------------------------------------------------- // ----------------------------------------------------------------------------
@ -99,6 +103,8 @@ typedef NTSTATUS (NTAPI *pfLsaFreeReturnBuffer)(PVOID Buffer);
// Value taken from net.c load_net_config() and disk.c load_disk_config(). // Value taken from net.c load_net_config() and disk.c load_disk_config().
#define MAX_DEV_NAME 31 #define MAX_DEV_NAME 31
#define ARR_SZ(x) (sizeof(x) / sizeof(x[0]))
static PDH_HQUERY pdhQueryHandle = NULL; static PDH_HQUERY pdhQueryHandle = NULL;
static const wchar_t* PDHDLL = L"PDH.DLL"; static const wchar_t* PDHDLL = L"PDH.DLL";
@ -143,6 +149,8 @@ win32_warning(const wchar_t *dll_name, DWORD status, const gchar *format, ...)
flags |= FORMAT_MESSAGE_FROM_HMODULE; flags |= FORMAT_MESSAGE_FROM_HMODULE;
} }
// NOTE: yes, this call takes a wchar_t **, it's a known flaw in the
// WIN32 API, you can ignore any compiler warning about arg 5
if (FormatMessageW( if (FormatMessageW(
flags // dwFlags flags // dwFlags
, dll_handle // lpSource , dll_handle // lpSource
@ -238,15 +246,14 @@ add_counter_list(guint object_index,
add_counter_cb cb) add_counter_cb cb)
{ {
PDH_STATUS st; PDH_STATUS st;
wchar_t obj_name[128]; wchar_t obj_name[PDH_MAX_COUNTER_NAME];
wchar_t c1_name[128]; wchar_t c1_name[PDH_MAX_COUNTER_NAME];
wchar_t c2_name[128]; wchar_t c2_name[PDH_MAX_COUNTER_NAME];
wchar_t * obj_list = NULL; wchar_t * obj_list = NULL;
DWORD obj_list_size = 0; DWORD obj_list_size = 0;
wchar_t * inst_list = NULL; wchar_t * inst_list = NULL;
DWORD inst_list_size = 0; DWORD inst_list_size = 0;
// Holds counter path, length is 128 + 128 + 4 + strlen(instance) wchar_t counter_path[PDH_MAX_COUNTER_PATH];
wchar_t counter_path[768];
wchar_t * inst = NULL; wchar_t * inst = NULL;
PDH_HCOUNTER c1; PDH_HCOUNTER c1;
PDH_HCOUNTER c2; PDH_HCOUNTER c2;
@ -256,13 +263,13 @@ add_counter_list(guint object_index,
return; return;
// Get translated name for object_index // Get translated name for object_index
if (!lookup_perfname(object_index, obj_name, 128)) if (!lookup_perfname(object_index, obj_name, PDH_MAX_COUNTER_NAME))
return; return;
if (!lookup_perfname(counter_index1, c1_name, 128)) if (!lookup_perfname(counter_index1, c1_name, PDH_MAX_COUNTER_NAME))
return; return;
if (!lookup_perfname(counter_index2, c2_name, 128)) if (!lookup_perfname(counter_index2, c2_name, PDH_MAX_COUNTER_NAME))
return; return;
// Get number of counters/instances that can be queried // Get number of counters/instances that can be queried
@ -284,12 +291,10 @@ add_counter_list(guint object_index,
return; return;
// Allocate buffers to hold object and instance names // Allocate buffers to hold object and instance names
++obj_list_size; obj_list = (wchar_t *)g_malloc(sizeof(wchar_t) * obj_list_size);
obj_list = (wchar_t *)malloc(sizeof(wchar_t) * obj_list_size); inst_list = (wchar_t *)g_malloc(sizeof(wchar_t) * inst_list_size);
++inst_list_size;
inst_list = (wchar_t *)malloc(sizeof(wchar_t) * inst_list_size);
gkrellm_debug(DEBUG_SYSDEP, "Max instance list size: %lu\n", inst_list_size);
// Get actual information about counters // Get actual information about counters
st = PdhEnumObjectItemsW(NULL, NULL, obj_name, st = PdhEnumObjectItemsW(NULL, NULL, obj_name,
obj_list, &obj_list_size, obj_list, &obj_list_size,
@ -303,22 +308,23 @@ add_counter_list(guint object_index,
} }
else else
{ {
gkrellm_debug(DEBUG_SYSDEP, "Returned instance list size: %lu\n", inst_list_size);
for (inst = inst_list; *inst != 0; inst += wcslen(inst) + 1) for (inst = inst_list; *inst != 0; inst += wcslen(inst) + 1)
{ {
gkrellm_debug(DEBUG_SYSDEP, "instance '%ls' (%u chars)\n", inst, wcslen(inst));
// Ignore total counter, gkrellm provides that functionality // Ignore total counter, gkrellm provides that functionality
if (wcsnicmp(L"_Total", inst, 6) == 0) if (wcsnicmp(L"_Total", inst, 6) == 0)
continue; continue;
// "\Disks(DiskOne)\ReadBytes" // "\Disks(DiskOne)\ReadBytes"
_snwprintf(counter_path, sizeof(counter_path) / sizeof(wchar_t), _snwprintf(counter_path, ARR_SZ(counter_path), L"\\%ls(%ls)\\%ls",
L"\\%ls(%ls)\\%ls",
obj_name, inst, c1_name); obj_name, inst, c1_name);
if (!add_counter(counter_path, &c1)) if (!add_counter(counter_path, &c1))
continue; continue;
// "\Disks(DiskOne)\WriteBytes" // "\Disks(DiskOne)\WriteBytes"
_snwprintf(counter_path, sizeof(counter_path) / sizeof(wchar_t), _snwprintf(counter_path, ARR_SZ(counter_path), L"\\%ls(%ls)\\%ls",
L"\\%ls(%ls)\\%ls",
obj_name, inst, c2_name); obj_name, inst, c2_name);
if (!add_counter(counter_path, &c2)) if (!add_counter(counter_path, &c2))
continue; continue;
@ -327,8 +333,8 @@ add_counter_list(guint object_index,
cb(inst, &c1, &c2); cb(inst, &c1, &c2);
} }
} }
free(obj_list); g_free((gpointer)obj_list);
free(inst_list); g_free((gpointer)inst_list);
} }
static static
@ -516,46 +522,54 @@ HANDLE gkrellm_sys_sensors_open_shm_helper(const wchar_t *shm_name,
//#define stMhz (char)(4) //#define stMhz (char)(4)
//#define stPercentage (char)(5) //#define stPercentage (char)(5)
typedef struct { typedef struct _MBMSharedIndex
SensorType iType; // type of sensor {
int Count; // number of sensor for that type SensorType iType; // type of sensor
} MBMSharedIndex; int Count; // number of sensor for that type
}
MBMSharedIndex;
typedef struct { typedef struct _MBMSharedSensor
SensorType ssType; // type of sensor {
unsigned char ssName[12]; // name of sensor SensorType ssType; // type of sensor
char sspadding1[3]; // padding of 3 byte unsigned char ssName[12]; // name of sensor
double ssCurrent; // current value char sspadding1[3]; // padding of 3 byte
double ssLow; // lowest readout double ssCurrent; // current value
double ssHigh; // highest readout double ssLow; // lowest readout
long ssCount; // total number of readout double ssHigh; // highest readout
char sspadding2[4]; // padding of 4 byte long ssCount; // total number of readout
long double ssTotal; // total amout of all readouts char sspadding2[4]; // padding of 4 byte
char sspadding3[6]; // padding of 6 byte long double ssTotal; // total amout of all readouts
double ssAlarm1; // temp & fan: high alarm; voltage: % off; char sspadding3[6]; // padding of 6 byte
double ssAlarm2; // temp: low alarm double ssAlarm1; // temp & fan: high alarm; voltage: % off;
} MBMSharedSensor; double ssAlarm2; // temp: low alarm
}
MBMSharedSensor;
typedef struct { typedef struct _MBMSharedInfo
short siSMB_Base; // SMBus base address {
BusType siSMB_Type; // SMBus/Isa bus used to access chip short siSMB_Base; // SMBus base address
SMBType siSMB_Code; // SMBus sub type, Intel, AMD or ALi BusType siSMB_Type; // SMBus/Isa bus used to access chip
char siSMB_Addr; // Address of sensor chip on SMBus SMBType siSMB_Code; // SMBus sub type, Intel, AMD or ALi
unsigned char siSMB_Name[41]; // Nice name for SMBus char siSMB_Addr; // Address of sensor chip on SMBus
short siISA_Base; // ISA base address of sensor chip on ISA unsigned char siSMB_Name[41]; // Nice name for SMBus
int siChipType; // Chip nr, connects with Chipinfo.ini short siISA_Base; // ISA base address of sensor chip on ISA
char siVoltageSubType; // Subvoltage option selected int siChipType; // Chip nr, connects with Chipinfo.ini
} MBMSharedInfo; char siVoltageSubType; // Subvoltage option selected
}
MBMSharedInfo;
typedef struct { typedef struct _MBMSharedData
double sdVersion; // version number (example: 51090) {
MBMSharedIndex sdIndex[10]; // Sensor index double sdVersion; // version number (example: 51090)
MBMSharedSensor sdSensor[100]; // sensor info MBMSharedIndex sdIndex[10]; // Sensor index
MBMSharedInfo sdInfo; // misc. info MBMSharedSensor sdSensor[100]; // sensor info
unsigned char sdStart[41]; // start time MBMSharedInfo sdInfo; // misc. info
unsigned char sdCurrent[41]; // current time unsigned char sdStart[41]; // start time
unsigned char sdPath[256]; // MBM path unsigned char sdCurrent[41]; // current time
} MBMSharedData; unsigned char sdPath[256]; // MBM path
}
MBMSharedData;
static const wchar_t* MBM_SHM_NAME = L"$M$B$M$5$S$D$"; static const wchar_t* MBM_SHM_NAME = L"$M$B$M$5$S$D$";
static const gchar* MBM_EXE_NAME = "MBM5.exe"; static const gchar* MBM_EXE_NAME = "MBM5.exe";
@ -680,7 +694,7 @@ gkrellm_sys_sensors_mbm_init(void)
// Strucure of the shared block // Strucure of the shared block
#pragma pack(push, 1) #pragma pack(push, 1)
typedef struct typedef struct _SFSharedMemory
{ {
unsigned short int version; unsigned short int version;
unsigned short int flags; unsigned short int flags;
@ -824,7 +838,7 @@ gkrellm_sys_sensors_sf_init(void)
* Information and struct taken from * Information and struct taken from
* http://www.alcpu.com/CoreTemp/developers.html * http://www.alcpu.com/CoreTemp/developers.html
**/ **/
typedef struct core_temp_shared_data typedef struct _CORE_TEMP_SHARED_DATA
{ {
unsigned int uiLoad[256]; unsigned int uiLoad[256];
unsigned int uiTjMax[128]; unsigned int uiTjMax[128];
@ -1084,7 +1098,7 @@ gkrellm_sys_cpu_cleanup(void)
/* Net monitor interface */ /* Net monitor interface */
/* ===================================================================== */ /* ===================================================================== */
typedef struct typedef struct _GK_NET
{ {
PDH_HCOUNTER recv_pdh_counter; PDH_HCOUNTER recv_pdh_counter;
PDH_HCOUNTER send_pdh_counter; PDH_HCOUNTER send_pdh_counter;
@ -1447,7 +1461,7 @@ gkrellm_sys_proc_read_users(void)
ULONG numSessions = 0; ULONG numSessions = 0;
PLUID pSessions = NULL; PLUID pSessions = NULL;
// Argument for LsaGetLogonSessionData() // Argument for LsaGetLogonSessionData()
PSECURITY_LOGON_SESSION_DATA pSessionData; SECURITY_LOGON_SESSION_DATA *pSessionData;
wchar_t acc_name[256]; wchar_t acc_name[256];
wchar_t acc_dom[256]; wchar_t acc_dom[256];
DWORD dwSize; DWORD dwSize;
@ -1527,8 +1541,8 @@ gkrellm_sys_proc_read_users(void)
gboolean gboolean
gkrellm_sys_proc_init(void) gkrellm_sys_proc_init(void)
{ {
wchar_t system_name[128]; wchar_t system_name[PDH_MAX_COUNTER_NAME];
wchar_t counter_name[128]; wchar_t counter_name[PDH_MAX_COUNTER_NAME];
wchar_t counter_path[128+128+3]; wchar_t counter_path[128+128+3];
#if 0 #if 0
OSVERSIONINFOEXW vi; OSVERSIONINFOEXW vi;
@ -1540,14 +1554,13 @@ gkrellm_sys_proc_init(void)
return FALSE; return FALSE;
// Fetch prefix for both counter paths ("System" index is 2) // Fetch prefix for both counter paths ("System" index is 2)
if (!lookup_perfname(2, system_name, 128)) if (!lookup_perfname(2, system_name, ARR_SZ(system_name)))
return FALSE; return FALSE;
// Add counter for number of processes (index is 248) // Add counter for number of processes (index is 248)
if (!lookup_perfname(248, counter_name, 128)) if (!lookup_perfname(248, counter_name, 128))
return FALSE; return FALSE;
_snwprintf(counter_path, sizeof(counter_path) / sizeof(wchar_t), _snwprintf(counter_path, ARR_SZ(counter_path), L"\\%ls\\%ls",
L"\\%ls\\%ls",
system_name, counter_name); system_name, counter_name);
if (!add_counter(counter_path, &processCounter)) if (!add_counter(counter_path, &processCounter))
return FALSE; return FALSE;
@ -1555,8 +1568,7 @@ gkrellm_sys_proc_init(void)
// --- Add counter for waiting queue size (index is 44) // --- Add counter for waiting queue size (index is 44)
if (!lookup_perfname(44, counter_name, 128)) if (!lookup_perfname(44, counter_name, 128))
return FALSE; return FALSE;
_snwprintf(counter_path, sizeof(counter_path) / sizeof(wchar_t), _snwprintf(counter_path, ARR_SZ(counter_path), L"\\%ls\\%ls",
L"\\%ls\\%ls",
system_name, counter_name); system_name, counter_name);
if (!add_counter(counter_path, &waitQueueCounter)) if (!add_counter(counter_path, &waitQueueCounter))
return FALSE; return FALSE;
@ -1635,21 +1647,21 @@ gkrellm_sys_proc_cleanup(void)
/* Memory/Swap monitor interface */ /* Memory/Swap monitor interface */
/* ===================================================================== */ /* ===================================================================== */
typedef struct { typedef struct _PERFORMANCE_INFORMATION {
DWORD cb; DWORD cb;
SIZE_T CommitTotal; SIZE_T CommitTotal;
SIZE_T CommitLimit; SIZE_T CommitLimit;
SIZE_T CommitPeak; SIZE_T CommitPeak;
SIZE_T PhysicalTotal; SIZE_T PhysicalTotal;
SIZE_T PhysicalAvailable; SIZE_T PhysicalAvailable;
SIZE_T SystemCache; SIZE_T SystemCache;
SIZE_T KernelTotal; SIZE_T KernelTotal;
SIZE_T KernelPaged; SIZE_T KernelPaged;
SIZE_T KernelNonpaged; SIZE_T KernelNonpaged;
SIZE_T PageSize; SIZE_T PageSize;
DWORD HandleCount; DWORD HandleCount;
DWORD ProcessCount; DWORD ProcessCount;
DWORD ThreadCount; DWORD ThreadCount;
} PERFORMANCE_INFORMATION; } PERFORMANCE_INFORMATION;
typedef BOOL (WINAPI *pfGetPerformanceInfo)(PERFORMANCE_INFORMATION *, DWORD); typedef BOOL (WINAPI *pfGetPerformanceInfo)(PERFORMANCE_INFORMATION *, DWORD);
@ -1712,6 +1724,7 @@ gkrellm_sys_swap_read_data(void)
guint64 swapUsed = 0; guint64 swapUsed = 0;
NTSTATUS ntstatus; NTSTATUS ntstatus;
ULONG szBuf = 3*sizeof(SYSTEM_PAGEFILE_INFORMATION); ULONG szBuf = 3*sizeof(SYSTEM_PAGEFILE_INFORMATION);
SYSTEM_PAGEFILE_INFORMATION *pInfo;
LPVOID pBuf = NULL; LPVOID pBuf = NULL;
gkrellm_debug(DEBUG_SYSDEP, "Checking swap utilization\n"); gkrellm_debug(DEBUG_SYSDEP, "Checking swap utilization\n");
@ -1745,7 +1758,7 @@ gkrellm_sys_swap_read_data(void)
if (pBuf != NULL) if (pBuf != NULL)
{ {
// iterate over information for all pagefiles // iterate over information for all pagefiles
PSYSTEM_PAGEFILE_INFORMATION pInfo = (PSYSTEM_PAGEFILE_INFORMATION)pBuf; pInfo = (SYSTEM_PAGEFILE_INFORMATION *)pBuf;
for (;;) for (;;)
{ {
swapTotal += pInfo->CurrentSize * page_size; swapTotal += pInfo->CurrentSize * page_size;
@ -1753,7 +1766,7 @@ gkrellm_sys_swap_read_data(void)
if (pInfo->NextEntryOffset == 0) if (pInfo->NextEntryOffset == 0)
break; // end of list break; // end of list
// get pointer to next struct // get pointer to next struct
pInfo = (PSYSTEM_PAGEFILE_INFORMATION)((PBYTE)pInfo + pInfo = (SYSTEM_PAGEFILE_INFORMATION *)((BYTE *)pInfo +
pInfo->NextEntryOffset); pInfo->NextEntryOffset);
} }
g_free(pBuf); g_free(pBuf);
@ -1937,7 +1950,7 @@ void gkrellm_sys_fs_get_mounts_list(void)
gkrellm_debug(DEBUG_SYSDEP, "Getting list of mounted drives\n"); gkrellm_debug(DEBUG_SYSDEP, "Getting list of mounted drives\n");
drive_list[0] = '\0'; drive_list[0] = '\0';
sz = (sizeof(drive_list) / sizeof(wchar_t)) - sizeof(wchar_t); sz = ARR_SZ(drive_list) - sizeof(drive_list[0]);
ret = GetLogicalDriveStringsW(sz, drive_list); ret = GetLogicalDriveStringsW(sz, drive_list);
if (ret == 0 || ret > sz) if (ret == 0 || ret > sz)
{ {
@ -1974,7 +1987,7 @@ void gkrellm_sys_fs_get_fstab_list(void)
gkrellm_debug(DEBUG_SYSDEP, "Getting list of drives in fstab\n"); gkrellm_debug(DEBUG_SYSDEP, "Getting list of drives in fstab\n");
drive_list[0] = '\0'; drive_list[0] = '\0';
sz = (sizeof(drive_list) / sizeof(wchar_t)) - sizeof(wchar_t); sz = ARR_SZ(drive_list) - sizeof(drive_list[0]);
ret = GetLogicalDriveStringsW(sz, drive_list); ret = GetLogicalDriveStringsW(sz, drive_list);
if (ret == 0 || ret > sz) if (ret == 0 || ret > sz)
{ {
@ -2097,9 +2110,9 @@ time_t gkrellm_sys_uptime_read_uptime(void)
gboolean gkrellm_sys_uptime_init(void) gboolean gkrellm_sys_uptime_init(void)
{ {
wchar_t system_name[128]; wchar_t system_name[PDH_MAX_COUNTER_NAME];
wchar_t uptime_name[128]; wchar_t uptime_name[PDH_MAX_COUNTER_NAME];
wchar_t counter_path[128+128+3]; wchar_t counter_path[PDH_MAX_COUNTER_PATH];
gkrellm_debug(DEBUG_SYSDEP, "INIT uptime monitoring\n"); gkrellm_debug(DEBUG_SYSDEP, "INIT uptime monitoring\n");
@ -2107,15 +2120,14 @@ gboolean gkrellm_sys_uptime_init(void)
return FALSE; return FALSE;
// Fetch prefix for counter ("System" index is 2) // Fetch prefix for counter ("System" index is 2)
if (!lookup_perfname(2, system_name, 128)) if (!lookup_perfname(2, system_name, ARR_SZ(system_name)))
return FALSE; return FALSE;
// Fetch name for uptime ("Uptime" index is 674) // Fetch name for uptime ("Uptime" index is 674)
if (!lookup_perfname(674, uptime_name, 128)) if (!lookup_perfname(674, uptime_name, ARR_SZ(uptime_name)))
return FALSE; return FALSE;
_snwprintf(counter_path, sizeof(counter_path) / sizeof(wchar_t), _snwprintf(counter_path, ARR_SZ(counter_path), L"\\%ls\\%ls",
L"\\%ls\\%ls",
system_name, uptime_name); system_name, uptime_name);
if (!add_counter(counter_path, &uptimeCounter)) if (!add_counter(counter_path, &uptimeCounter))