| 1 |
#include "statgrab.h" |
| 2 |
#ifdef WIN32 |
| 3 |
#include <pdh.h> |
| 4 |
#include <pdhmsg.h> |
| 5 |
#include "win32.h" |
| 6 |
#include <stdio.h> |
| 7 |
#include "tools.h" |
| 8 |
|
| 9 |
static HQUERY h_query; |
| 10 |
|
| 11 |
static HCOUNTER current_han[SG_WIN32_SIZE]; |
| 12 |
|
| 13 |
static char **diskio_names; |
| 14 |
static HCOUNTER *diskio_rhan; |
| 15 |
static HCOUNTER *diskio_whan; |
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static int diskio_no; |
| 17 |
|
| 18 |
static int is_started = 0; |
| 19 |
|
| 20 |
/*static char **netio_names; |
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static HCOUNTER *netio_rhan; |
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static HCOUNTER *netio_shan; |
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static int netio_no;*/ |
| 24 |
|
| 25 |
int add_counter(const char *fullCounterPath, HCOUNTER *phCounter) |
| 26 |
{ |
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PDH_STATUS pdh_status; |
| 28 |
|
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pdh_status = PdhAddCounter(h_query, fullCounterPath, |
| 30 |
0, phCounter); |
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if(pdh_status != ERROR_SUCCESS) { |
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//sg_set_error(SG_ERROR_PDHADD, fullCounterPath); |
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phCounter = NULL; |
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return -1; |
| 35 |
} |
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return 0; |
| 37 |
} |
| 38 |
|
| 39 |
int read_counter_double(pdh_enum counter, double *result) |
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{ |
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PDH_STATUS pdh_status; |
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PDH_FMT_COUNTERVALUE *item_buf; |
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HCOUNTER hcounter = current_han[counter]; |
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|
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if(hcounter == NULL) |
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return -1; |
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|
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item_buf = sg_malloc(sizeof(PDH_FMT_COUNTERVALUE)); |
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if (item_buf == NULL) { |
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return -1; |
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} |
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|
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pdh_status = PdhGetFormattedCounterValue(hcounter, PDH_FMT_DOUBLE, NULL, |
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item_buf); |
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if(pdh_status != ERROR_SUCCESS) { |
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free(item_buf); |
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return -1; |
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} |
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*result = item_buf->doubleValue; |
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free(item_buf); |
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return 0; |
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} |
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|
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static int read_counter_large_int(HCOUNTER hcounter, long long *result) |
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{ |
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PDH_STATUS pdh_status; |
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PDH_FMT_COUNTERVALUE *item_buf; |
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|
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if(hcounter == NULL) |
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return -1; |
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|
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item_buf = sg_malloc(sizeof(PDH_FMT_COUNTERVALUE)); |
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if (item_buf == NULL) { |
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return -1; |
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} |
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|
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pdh_status = PdhGetFormattedCounterValue(hcounter, PDH_FMT_LARGE, NULL, |
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item_buf); |
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if(pdh_status != ERROR_SUCCESS) { |
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free(item_buf); |
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/*switch(pdh_status) { |
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case PDH_INVALID_ARGUMENT: |
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printf("invalid argument\n"); |
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break; |
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case PDH_INVALID_DATA: |
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printf("invalid data\n"); |
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break; |
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case PDH_INVALID_HANDLE: |
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printf("invalid handle\n"); |
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break; |
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}*/ |
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return -1; |
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} |
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*result = item_buf->largeValue; |
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free(item_buf); |
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return 0; |
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} |
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|
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int read_counter_large(pdh_enum counter, long long *result) |
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{ |
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return read_counter_large_int(current_han[counter], result); |
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} |
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|
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static char *get_instances(const char *object) |
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{ |
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PDH_STATUS pdh_status; |
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char *instancelistbuf; |
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DWORD instancelistsize = 0; |
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char *counterlistbuf; |
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DWORD counterlistsize = 0; |
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|
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/* Get necessary size of buffers */ |
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pdh_status = PdhEnumObjectItems(NULL, NULL, object, NULL, |
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&counterlistsize, NULL, &instancelistsize, |
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PERF_DETAIL_WIZARD, 0); |
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/* 2k is dodgy and returns ERROR_SUCCESS even though the buffers were |
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* NULL */ |
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if(pdh_status == PDH_MORE_DATA || pdh_status == ERROR_SUCCESS) { |
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instancelistbuf = sg_malloc(instancelistsize * sizeof(TCHAR)); |
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counterlistbuf = sg_malloc(counterlistsize * sizeof(TCHAR)); |
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if (instancelistbuf != NULL && counterlistbuf != NULL) { |
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pdh_status = PdhEnumObjectItems(NULL, NULL, object, |
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counterlistbuf, &counterlistsize, |
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instancelistbuf, &instancelistsize, |
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PERF_DETAIL_WIZARD, 0); |
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if (pdh_status == ERROR_SUCCESS) { |
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free(counterlistbuf); |
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return instancelistbuf; |
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} |
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} |
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if (counterlistbuf != NULL) |
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free(counterlistbuf); |
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if(instancelistbuf != NULL) |
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free(instancelistbuf); |
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} |
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return NULL; |
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} |
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|
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/* Gets the instance buffer. Removes _Total item. Works out how many items |
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* there are. Returns these in a pointer list, rather than single buffer. |
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*/ |
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static char **get_instance_list(const char *object, int *n) |
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{ |
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char *thisinstance = NULL; |
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char *instances = NULL; |
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char **list; |
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char **listtmp = NULL; |
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int i; |
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*n = 0; |
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|
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instances = get_instances(object); |
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if (instances == NULL) |
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return NULL; |
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|
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list = (char **)sg_malloc(sizeof(char *)); |
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if (list == NULL) { |
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return NULL; |
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} |
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for (thisinstance = instances; *thisinstance != 0; |
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thisinstance += strlen(thisinstance) + 1) { |
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/* Skip over the _Total item */ |
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if (strcmp(thisinstance,"_Total") == 0) continue; |
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|
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listtmp = (char **)sg_realloc(list, sizeof(char *) * ((*n)+1)); |
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if (listtmp == NULL) { |
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goto out; |
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} |
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list = listtmp; |
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list[*n] = sg_malloc(strlen(thisinstance) +1); |
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if(list[*n] == NULL) { |
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goto out; |
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} |
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list[*n] = strcpy(list[*n], thisinstance); |
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++*n; |
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} |
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free (instances); |
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return list; |
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|
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out: |
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for (i = 0; i < *n; i++) { |
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free(list[i]); |
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} |
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free(list); |
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return NULL; |
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} |
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|
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char *get_diskio(const int no, long long *read, long long *write) |
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{ |
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int result; |
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char *name = NULL; |
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|
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if (no >= diskio_no || no < 0) |
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return NULL; |
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|
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result = read_counter_large_int(diskio_rhan[no], read); |
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result = result + read_counter_large_int(diskio_whan[no], write); |
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if (result) { |
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sg_set_error(SG_ERROR_PDHREAD, "diskio"); |
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return NULL; |
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} |
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if (sg_update_string(&name, diskio_names[no])) |
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return NULL; |
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return name; |
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} |
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|
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/* We do not fail on add_counter here, as some counters may not exist on all |
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* hosts. The rest will work, and the missing/failed counters will die nicely |
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* elsewhere */ |
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static int add_all_monitors() |
| 210 |
{ |
| 211 |
int i; |
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char tmp[512]; |
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|
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add_counter(PDH_USER, &(current_han[SG_WIN32_PROC_USER])); |
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add_counter(PDH_PRIV, &(current_han[SG_WIN32_PROC_PRIV])); |
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add_counter(PDH_IDLE, &(current_han[SG_WIN32_PROC_IDLE])); |
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add_counter(PDH_INTER, &(current_han[SG_WIN32_PROC_INT])); |
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add_counter(PDH_MEM_CACHE, &(current_han[SG_WIN32_MEM_CACHE])); |
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add_counter(PDH_UPTIME, &(current_han[SG_WIN32_UPTIME])); |
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add_counter(PDH_PAGEIN, &(current_han[SG_WIN32_PAGEIN])); |
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add_counter(PDH_PAGEOUT, &(current_han[SG_WIN32_PAGEOUT])); |
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|
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diskio_names = get_instance_list("PhysicalDisk", &diskio_no); |
| 224 |
if (diskio_names != NULL) { |
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diskio_rhan = (HCOUNTER *)malloc(sizeof(HCOUNTER) * diskio_no); |
| 226 |
if (diskio_rhan == NULL) { |
| 227 |
PdhCloseQuery(h_query); |
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return -1; |
| 229 |
} |
| 230 |
diskio_whan = (HCOUNTER *)malloc(sizeof(HCOUNTER) * diskio_no); |
| 231 |
if (diskio_whan == NULL) { |
| 232 |
PdhCloseQuery(h_query); |
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free (diskio_rhan); |
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return -1; |
| 235 |
} |
| 236 |
for (i = 0; i < diskio_no; i++) { |
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snprintf(tmp, sizeof(tmp), PDH_DISKIOREAD, diskio_names[i]); |
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add_counter(tmp, &diskio_rhan[i]); |
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|
| 240 |
snprintf(tmp, sizeof(tmp), PDH_DISKIOWRITE, diskio_names[i]); |
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add_counter(tmp, &diskio_whan[i]); |
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} |
| 243 |
} |
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return 0; |
| 245 |
} |
| 246 |
#endif |
| 247 |
|
| 248 |
/* Call before trying to get search results back, otherwise it'll be dead data |
| 249 |
*/ |
| 250 |
int sg_win32_snapshot() |
| 251 |
{ |
| 252 |
#ifdef WIN32 |
| 253 |
PDH_STATUS pdh_status; |
| 254 |
|
| 255 |
if(!is_started) { |
| 256 |
return -1; |
| 257 |
} |
| 258 |
|
| 259 |
pdh_status = PdhCollectQueryData(h_query); |
| 260 |
if(pdh_status != ERROR_SUCCESS) { |
| 261 |
sg_set_error(SG_ERROR_PDHCOLLECT, NULL); |
| 262 |
return -1; |
| 263 |
} |
| 264 |
#endif |
| 265 |
return 0; |
| 266 |
} |
| 267 |
|
| 268 |
/* Must be called before any values can be read. This creates all the |
| 269 |
* necessary PDH values |
| 270 |
*/ |
| 271 |
int sg_win32_start_capture() |
| 272 |
{ |
| 273 |
#ifdef WIN32 |
| 274 |
PDH_STATUS pdh_status; |
| 275 |
|
| 276 |
if(is_started) { |
| 277 |
return -1; |
| 278 |
} |
| 279 |
|
| 280 |
pdh_status = PdhOpenQuery(NULL, 0, &h_query); |
| 281 |
|
| 282 |
if(pdh_status != ERROR_SUCCESS) { |
| 283 |
char *mess = NULL; |
| 284 |
if(pdh_status == PDH_INVALID_ARGUMENT) |
| 285 |
mess = "Invalid argument o.O"; |
| 286 |
else if(pdh_status == PDH_MEMORY_ALLOCATION_FAILURE) |
| 287 |
mess = "Memory allocation failure"; |
| 288 |
sg_set_error(SG_ERROR_PDHOPEN, mess); |
| 289 |
return -1; |
| 290 |
} |
| 291 |
if (add_all_monitors() == -1) { |
| 292 |
return -1; |
| 293 |
} |
| 294 |
|
| 295 |
is_started = 1; |
| 296 |
#endif |
| 297 |
return 0; |
| 298 |
} |
| 299 |
|
| 300 |
/* Must be called before the program exits, or to close all the capture items |
| 301 |
* before opening with a call to start_capture |
| 302 |
*/ |
| 303 |
void sg_win32_end_capture() |
| 304 |
{ |
| 305 |
#ifdef WIN32 |
| 306 |
int i; |
| 307 |
PDH_STATUS pdh_status; |
| 308 |
|
| 309 |
if(!is_started) { |
| 310 |
return; |
| 311 |
} |
| 312 |
|
| 313 |
pdh_status = PdhCloseQuery(h_query); |
| 314 |
for (i=0; i < SG_WIN32_SIZE; ++i) { |
| 315 |
PdhRemoveCounter(current_han[i]); |
| 316 |
current_han[i] = NULL; |
| 317 |
} |
| 318 |
/*free_io(&diskio_no, diskio_names, diskio_rhan, diskio_whan); |
| 319 |
free_io(&netio_no, netio_names, netio_rhan, netio_shan);*/ |
| 320 |
for (i=0; i < diskio_no; ++i) { |
| 321 |
PdhRemoveCounter(diskio_rhan[i]); |
| 322 |
PdhRemoveCounter(diskio_whan[i]); |
| 323 |
free(diskio_names[i]); |
| 324 |
} |
| 325 |
free(diskio_names); |
| 326 |
free(diskio_rhan); |
| 327 |
free(diskio_whan); |
| 328 |
diskio_no = 0; |
| 329 |
|
| 330 |
is_started = 0; |
| 331 |
#endif |
| 332 |
} |
| 333 |
|
