C++ (Cpp) ipsnmp_util_lexcmp_oid Examples

Example #1

File: ipnet_if_mib.c Project: rgmabs19357/Huawei-

/*
 *===========================================================================
 *                      ipnet_if_mib_table_search_ifTable
 *===========================================================================
 * Description: Searches ifTable and ifXTable for a matching entry
 * Parameters: id, buf, best, cmd
 * Returns:    The best matching interface or IP_NULL if no match was found,
 *             error code is stored in 'ret' in that case.
 *
 */
IP_STATIC Ipnet_netif *
ipnet_if_mib_table_search_ifTable(char *id,
                                  char *buf,
                                  char *best,
                                  Ip_s32 cmd,
                                  Ip_s32 *error_code)
{
    Ip_u32       bestindex = 0;
    Ip_u32       ifIndex;
    Ip_u32      *ifindexes;
    unsigned     ifTable_num_entries;
    unsigned     i;

    ifindexes = ipnet_if_get_index_array(IPCOM_VR_ANY, 0, &ifTable_num_entries);
    if (ifindexes == IP_NULL)
    {
        *error_code = IPSNMP_ERROR_GENERROR;
        return IP_NULL;
    }

    for (i = 0; i < ifTable_num_entries; i++)
    {
        Ip_s32 lex, len = 0;

        buf[0] = '\0';

        ifIndex = ifindexes[i];

        if (ipcom_snprintf(&buf[len], IPSNMP_CONFIG_MAX_OBJECT_ID-len, "%d.", (int)ifIndex) < 0)
        {
            *error_code = IPSNMP_ERROR_GENERROR;
            ipcom_free(ifindexes);
            return IP_NULL;
        }
        len = ipcom_strlen(buf);
        if (len)
            buf[len - 1] = '\0';

        lex = ipsnmp_util_lexcmp_oid(buf, id);
        if (cmd == IPSNMP_MIB_COMMAND_NEXT)
        {
            if (lex > 0)
            {
                if (bestindex == 0 || ipsnmp_util_lexcmp_oid(buf, best) < 0)
                {
                    ipcom_strcpy(best, buf);
                    bestindex = ifIndex;
                }
            }
        }
        else
        {
            if (lex == 0)
            {
                ipcom_strcpy(best, buf);
                bestindex = ifIndex;
                break;
            }
        }
    }

    if (bestindex == 0)
        *error_code = IPSNMP_ERROR_NOSUCHNAME;
    ipcom_free(ifindexes);
    return ipnet_if_indextonetif(IPCOM_VR_ANY, bestindex);
}

Example #2

File: ipnet_ip_forward_mib.c Project: HuaweiHonor4C/kernel_hi6210sft_mm

/*
 *===========================================================================
 *                      ipnet_ip_mib_cb_ipCidrRouteTable
 *===========================================================================
 * Description:
 * Parameters:
 * Returns:
 *
 */
IP_STATIC Ip_bool
ipnet_ip_mib_cb_ipCidrRouteTable(Ipnet_route_entry *rt, Ipsnmp_route_walk *rwp)
{
    Ip_s32 tmp, lex, len = 0;

    /* Early exit if exact match was found previously */
    if(rwp->bestrt != IP_NULL &&
        (rwp->cmd == IPSNMP_MIB_COMMAND_GET
        || rwp->cmd == IPSNMP_MIB_COMMAND_TEST
        || rwp->cmd == IPSNMP_MIB_COMMAND_SET))
        goto exit;

    if(rt->netif == IP_NULL)
        goto exit;

    /* Do not use hidden entries */
    if(IP_BIT_ISSET(rt->hdr.flags, IPNET_RTF_X_HIDDEN))
        goto exit;

    /* Route must be usable */
    if(IP_BIT_ISFALSE(rt->hdr.flags, IPNET_RTF_UP))
        goto exit;

    /* Do not use link layer entries */
    if(IP_BIT_ISSET(rt->hdr.flags, IPNET_RTF_LLINFO))
        goto exit;

    /* Do not use loopback entries */
    if (IP_BIT_ISSET(rt->netif->ipcom.flags, IP_IFF_LOOPBACK))
        goto exit;

    ip_assert(rt->hdr.key != IP_NULL);

    /* Do not use multicast entries */
    if(IP_IN_CLASSD(*(Ip_u32 *)rt->hdr.key))
        goto exit;

    /* Do not use broadcast entries */
    if(ip_ntohl(*(Ip_u32 *)rt->hdr.key) == IP_INADDR_BROADCAST)
        goto exit;

    if(rwp->count_only == IP_TRUE)
    {
        count++;
        goto exit;
    }

    rwp->buf[0] = '\0';
    /* ipCidrRouteDest */
    if(ipcom_inet_ntop(IP_AF_INET, rt->hdr.key, &rwp->buf[len], IPSNMP_CONFIG_MAX_OBJECT_ID-len) == IP_NULL)
        goto exit;
    len = ipcom_strlen(rwp->buf);
    if(ipcom_snprintf(&rwp->buf[len], IPSNMP_CONFIG_MAX_OBJECT_ID-len, ".") < 0)
        goto exit;
    len = ipcom_strlen(rwp->buf);

    /* ipCidrRouteMask */
    if(rt->hdr.mask == IP_NULL)
    {
        if(ipcom_snprintf(&rwp->buf[len], IPSNMP_CONFIG_MAX_OBJECT_ID-len, "255.255.255.255") < 0)
            goto exit;
    }
    else
    {
        if(ipcom_inet_ntop(IP_AF_INET, rt->hdr.mask, &rwp->buf[len], IPSNMP_CONFIG_MAX_OBJECT_ID-len) == IP_NULL)
            goto exit;
    }
    len = ipcom_strlen(rwp->buf);
    if(ipcom_snprintf(&rwp->buf[len], IPSNMP_CONFIG_MAX_OBJECT_ID-len, ".") < 0)
        goto exit;
    len = ipcom_strlen(rwp->buf);

    /* ipCidrRouteTos */
    tmp = 0;
    if(ipcom_snprintf(&rwp->buf[len], IPSNMP_CONFIG_MAX_OBJECT_ID-len, "%d.", (int)tmp) < 0)
        goto exit;
    len = ipcom_strlen(rwp->buf);

    /* ipCidrRouteNextHop */
    if(IP_BIT_ISSET(rt->hdr.flags, IPNET_RTF_GATEWAY))
    {
        struct Ip_sockaddr_in *sa;

        ip_assert(rt->gateway != IP_NULL);
        sa = (struct Ip_sockaddr_in *)rt->gateway;
        if(ipcom_inet_ntop(IP_AF_INET, &sa->sin_addr.s_addr, &rwp->buf[len], IPSNMP_CONFIG_MAX_OBJECT_ID - len) == IP_NULL)
            goto exit;
    }
    else
    {
        if(ipcom_snprintf(&rwp->buf[len], IPSNMP_CONFIG_MAX_OBJECT_ID-len, "0.0.0.0") < 0)
            goto exit;
    }
    len = ipcom_strlen(rwp->buf);
    if(ipcom_snprintf(&rwp->buf[len], IPSNMP_CONFIG_MAX_OBJECT_ID-len, ".") < 0)
        goto exit;
    len = ipcom_strlen(rwp->buf);
    if(len)
        rwp->buf[len-1] = '\0';

    lex = ipsnmp_util_lexcmp_oid(rwp->buf, rwp->id);
    if(rwp->cmd == IPSNMP_MIB_COMMAND_NEXT)
    {
        if(lex > 0)
        {
            if(rwp->bestrt == IP_NULL || ipsnmp_util_lexcmp_oid(rwp->buf, rwp->best) < 0)
            {
                ipcom_strcpy(rwp->best, rwp->buf);
                rwp->bestrt = rt;
            }
        }
    }
    else
    {
        if(lex == 0)
        {
            ipcom_strcpy(rwp->best, rwp->buf);
            rwp->bestrt = rt;
        }
    }

exit:
    /* Do not delete the entry */
    return IP_FALSE;
}