vxworks有关ifaddr的实现

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今天查看linux的网络知识，点击打开链接

想到vxworks6.6中ifaddr的实现，记录下：

wr_vxworks_platforms_migration_guide_3.7.pdf中，14.7.2中，如下：

ifAddrGet( ) SIOCGIFADDR ioctl command

示例：

static unsigned int GetIPAddrV4th(int no)
{
int inet_sock;
struct ifreq ifr;
struct sockaddr_in *ptemp = NULL;

if (no < 0 || no > 2)
return 0;

inet_sock = socket(AF_INET, SOCK_DGRAM, 0);
if (inet_sock != ERROR)
{
sprintf (ifr.ifr_name, "%s%d", "ie", no);
if (ioctl(inet_sock, SIOCGIFADDR, &ifr) ==OK)
{
ptemp = (struct sockaddr_in*)&(ifr.ifr_addr);
}
close(inet_sock);
}

if (ptemp)
return ptemp->sin_addr.s_addr;
else
return 0;
}

static unsigned int GetIPMaskV4th(int no)
{
int inet_sock;
struct ifreq ifr;
struct sockaddr_in *ptemp = NULL;

if (no < 0 || no > 2)
return 0;

inet_sock = socket(AF_INET, SOCK_DGRAM, 0);
if (inet_sock != ERROR)
{
sprintf (ifr.ifr_name, "%s%d", "ie", no);
if (ioctl(inet_sock, SIOCGIFNETMASK, &ifr) ==OK)
{
ptemp = (struct sockaddr_in*)&(ifr.ifr_addr);
}
close(inet_sock);
}

if (ptemp)
return ptemp->sin_addr.s_addr;
else
return 0;
}

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