vm_sys_info_linux32.c

这是在PCA下的基于IPP库示例代码例子,在网上下了IPP的库之后,设置相关参数就可以编译该代码.

/*
//
//                  INTEL CORPORATION PROPRIETARY INFORMATION
//     This software is supplied under the terms of a license agreement or
//     nondisclosure agreement with Intel Corporation and may not be copied
//     or disclosed except in accordance with the terms of that agreement.
//       Copyright(c) 2003-2005 Intel Corporation. All Rights Reserved.
//
*/

#ifdef LINUX32

#include "vm_sys_info.h"
#include <time.h>
#include <sys/sysinfo.h>
#include <sys/utsname.h>
#include <unistd.h>

void vm_sys_info_get_date(vm_char *m_date, DateFormat df)
{
    time_t ltime;
    struct tm *today;

    /* check error(s) */
    if (NULL == m_date)
        return;

    time(&ltime);
    today = localtime(&ltime);

    switch (df)
    {
    case DDMMYY:
        strftime(m_date, 128, "%d/%m/%Y", today);
        break;

    case MMDDYY:
        strftime(m_date, 128, "%m/%d/%Y", today);
        break;

    case YYMMDD:
        strftime(m_date, 128, "%Y/%m/%d", today);
        break;

    default:
        strftime(m_date, 128, "%m/%d/%Y", today);
        break;
    }

} /* void vm_sys_info_get_date(vm_char *m_date, DateFormat df) */

void vm_sys_info_get_time(vm_char *m_time, TimeFormat tf)
{
    time_t ltime;
    struct tm *today;

    /* check error(s) */
    if (NULL == m_time)
        return;

    time(&ltime);
    today = localtime(&ltime);

    switch (tf)
    {
    case HHMMSS:
        strftime(m_time, 128, "%H:%M:%S", today);
        break;

    case HHMM:
        strftime(m_time, 128, "%H:%M", today);
        break;

    default:
        strftime(m_time, 128, "%H:%M:%S", today);
        break;
    }

} /* void vm_sys_info_get_time(vm_char *m_time, TimeFormat tf) */

vm_var32 vm_sys_info_get_cpu_num(void)
{
    return 1;

} /* vm_var32 vm_sys_info_get_cpu_num(void) */

void vm_sys_info_get_cpu_name(vm_char *cpu_name)
{
    FILE *pFile = NULL;
    vm_char buf[PATH_MAX];
    vm_char tmp_buf[PATH_MAX];
    vm_sizet len;

    /* check error(s) */
    if (NULL == cpu_name)
        return;

    pFile = vm_file_open(VM_STRING("/proc/cpuinfo"), "r");
    if (!pFile)
        return;

    while ((vm_file_gets(buf, PATH_MAX, pFile)))
    {
        if (!vm_string_strncmp(buf, VM_STRING("vendor_id"), 9))
        {
            vm_string_strncpy(tmp_buf, (vm_char*)(buf + 12), vm_string_strlen(buf) - 13);
        }
        else if (!vm_string_strncmp(buf, VM_STRING("model name"), 10))
        {
            if ((len = vm_string_strlen(buf) - 14) > 8)
                vm_string_strncpy(cpu_name, (vm_char *)(buf + 13), len);
            else
                vm_string_sprintf(cpu_name, VM_STRING("%s"), tmp_buf);
        }
    }

    fclose(pFile);

} /* void vm_sys_info_get_cpu_name(vm_char *cpu_name) */

void vm_sys_info_get_vga_card(vm_char *vga_card)
{
    /* check error(s) */
    if (NULL == vga_card)
        return;

} /* void vm_sys_info_get_vga_card(vm_char *vga_card) */

void vm_sys_info_get_os_name(vm_char *os_name)
{
    struct utsname buf;

    /* check error(s) */
    if (NULL == os_name)
        return;

    uname(&buf);
    vm_string_sprintf(os_name, VM_STRING("%s %s"), buf.sysname, buf.release);

} /* void vm_sys_info_get_os_name(vm_char *os_name) */

void vm_sys_info_get_computer_name(vm_char *computer_name)
{
    /* check error(s) */
    if (NULL == computer_name)
        return;

    gethostname(computer_name, 128);

} /* void vm_sys_info_get_computer_name(vm_char *computer_name) */

void vm_sys_info_get_program_name(vm_char *program_name)
{
    vm_char path[PATH_MAX] = {0,};
    vm_sizet i = 0;

    /* check error(s) */
    if (NULL == program_name)
        return;

    readlink("/proc/self/exe", path, sizeof(path));
    i = vm_string_strrchr(path, (vm_char)('/')) - path + 1;
    vm_string_strncpy(program_name,path + i,vm_string_strlen(path) - i);

} /* void vm_sys_info_get_program_name(vm_char *program_name) */

void vm_sys_info_get_program_path(vm_char *program_path)
{
    vm_char path[ PATH_MAX ]={0,};
    vm_sizet i = 0;

    /* check error(s) */
    if (NULL == program_path)
        return;

    readlink("/proc/self/exe", path, sizeof(path));
    i = vm_string_strrchr(path, (vm_char)('/')) - path + 1;
    vm_string_strncpy(program_path,path,i-1);

} /* void vm_sys_info_get_program_path(vm_char *program_path) */

void vm_sys_info_get_program_description(vm_char *program_description)
{
    /* check error(s) */
    if (NULL == program_description)
        return;

} /* void vm_sys_info_get_program_description(vm_char *program_description) */

vm_var32 vm_sys_info_get_cpu_speed(void)
{
    FILE *pFile = NULL;
    vm_char buf[PATH_MAX];
    double ret = 0;

    pFile = vm_file_open(VM_STRING("/proc/cpuinfo"), "r" );
    if (!pFile)
        return 1000;

    while ((vm_file_gets(buf, PATH_MAX, pFile)))
    {
        if (!vm_string_strncmp(buf, VM_STRING("cpu MHz"), 7))
        {
            ret = vm_string_atol((vm_char *)(buf + 10));
            break;
        }
    }

    fclose(pFile);

    return ((vm_var32) ret);

} /* vm_var32 vm_sys_info_get_cpu_speed(void) */

vm_var32 vm_sys_info_get_mem_size(void)
{
    struct sysinfo info;

    sysinfo(&info);

    return (vm_var32)((double)info.totalram / (1024 * 1024) + 0.49);

} /* vm_var32 vm_sys_info_get_mem_size(void) */

#endif /* LINUX32 */