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pdh: Implement PdhAddCounter{A, W} and PdhRemoveCounter.

This commit is contained in:
Hans Leidekker 2007-06-25 21:10:19 +02:00 committed by Alexandre Julliard
parent 3f1142e3bf
commit 0718c11ee1
2 changed files with 98 additions and 3 deletions
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6
dlls/pdh/pdh.spec
View File

@ -1,8 +1,8 @@
1 stub PdhPlaGetLogFileNameA
@ stub PdhAdd009CounterA
@ stub PdhAdd009CounterW
@ stub PdhAddCounterA
@ stub PdhAddCounterW
@ stdcall PdhAddCounterA(ptr str long ptr)
@ stdcall PdhAddCounterW(ptr wstr long ptr)
@ stub PdhBindInputDataSourceA
@ stub PdhBindInputDataSourceW
@ stub PdhBrowseCountersA
@ -120,7 +120,7 @@
@ stub PdhReadRawLogRecord
@ stub PdhRelogA
@ stub PdhRelogW
@ stub PdhRemoveCounter
@ stdcall PdhRemoveCounter(ptr)
@ stub PdhSelectDataSourceA
@ stub PdhSelectDataSourceW
@ stub PdhSetCounterScaleFactor

95
dlls/pdh/pdh_main.c
View File

@ -111,6 +111,14 @@ struct counter
} two; /* second value */
};
static struct counter *create_counter( void )
{
struct counter *counter;
if ((counter = pdh_alloc_zero( sizeof(struct counter) ))) return counter;
return NULL;
}
#define PDH_MAGIC_QUERY 0x50444830 /* 'PDH0' */
struct query
@ -142,6 +150,74 @@ struct source
LONGLONG base; /* samples per second */
};
/* counter source registry */
static const struct source counter_sources[] =
{
{ NULL, NULL, 0, 0, 0 }
};
/***********************************************************************
* PdhAddCounterA (PDH.@)
*/
PDH_STATUS WINAPI PdhAddCounterA( PDH_HQUERY query, LPCSTR path,
DWORD_PTR userdata, PDH_HCOUNTER *counter )
{
PDH_STATUS ret;
WCHAR *pathW;
TRACE("%p %s %lx %p\n", query, debugstr_a(path), userdata, counter);
if (!path) return PDH_INVALID_ARGUMENT;
if (!(pathW = pdh_strdup_aw( path )))
return PDH_MEMORY_ALLOCATION_FAILURE;
ret = PdhAddCounterW( query, pathW, userdata, counter );
pdh_free( pathW );
return ret;
}
/***********************************************************************
* PdhAddCounterW (PDH.@)
*/
PDH_STATUS WINAPI PdhAddCounterW( PDH_HQUERY hquery, LPCWSTR path,
DWORD_PTR userdata, PDH_HCOUNTER *hcounter )
{
struct query *query = hquery;
struct counter *counter;
unsigned int i;
TRACE("%p %s %lx %p\n", hquery, debugstr_w(path), userdata, hcounter);
if (!path || !hcounter) return PDH_INVALID_ARGUMENT;
if (!query || (query->magic != PDH_MAGIC_QUERY)) return PDH_INVALID_HANDLE;
*hcounter = NULL;
for (i = 0; i < sizeof(counter_sources) / sizeof(counter_sources[0]); i++)
{
if (strstrW( path, counter_sources[i].path ))
{
if ((counter = create_counter()))
{
counter->path = pdh_strdup( counter_sources[i].path );
counter->collect = counter_sources[i].collect;
counter->type = counter_sources[i].type;
counter->defaultscale = counter_sources[i].scale;
counter->base = counter_sources[i].base;
counter->queryuser = query->user;
counter->user = userdata;
list_add_tail( &query->counters, &counter->entry );
*hcounter = counter;
return ERROR_SUCCESS;
}
return PDH_MEMORY_ALLOCATION_FAILURE;
}
}
return PDH_CSTATUS_NO_COUNTER;
}
/***********************************************************************
* PdhCloseQuery (PDH.@)
@ -212,3 +288,22 @@ PDH_STATUS WINAPI PdhOpenQueryW( LPCWSTR source, DWORD_PTR userdata, PDH_HQUERY
}
return PDH_MEMORY_ALLOCATION_FAILURE;
}
/***********************************************************************
* PdhRemoveCounter (PDH.@)
*/
PDH_STATUS WINAPI PdhRemoveCounter( PDH_HCOUNTER handle )
{
struct counter *counter = handle;
TRACE("%p\n", handle);
if (!counter) return PDH_INVALID_HANDLE;
list_remove( &counter->entry );
pdh_free( counter->path );
pdh_free( counter );
return ERROR_SUCCESS;
}