static int _InitRouteTable(key_t uShmKey, int iCreateFlags)
{
int ret = 0;
size_t dwTableSize = 0;
char *pTable = NULL;
dwTableSize = sizeof(RouteTable) + MAX_ENTRY_NUM * sizeof(RouteEntry);
if((pTable = GetShm(uShmKey, dwTableSize, 0666)) == NULL)
{
if(iCreateFlags == 0)
{
printf("shm not existd.should create! shmkey = 0x%x\n", uShmKey);
return -3;
}
else if(iCreateFlags == 1)
{
if((ret = GetShm2((volatile void **)&pTable, uShmKey, dwTableSize, 0666 | IPC_CREAT)) < 0)
{
printf("GetShm2 error. %s\n", strerror(errno));
return -4;
}
printf("first GetShm2 error ret = %d but Second Ok.\n", ret);
bzero((void *)pTable,dwTableSize);
}
else
{
return -5;
}
}
if((ret = RouteTableInit(&gstRouteTable, pTable)) < 0)
{
return -6;
}
return 0;
}
void IPInit()
{
RouteTableInit(route_tbl);
MTUTableInit(MTU_tbl);
}