static snmp_err_t
tcp_ConnTable_get_next_cell_instance_and_value(const u32_t* column, struct snmp_obj_id* row_oid, union snmp_variant_value* value, u32_t* value_len)
{
u8_t i;
struct tcp_pcb *pcb;
struct snmp_next_oid_state state;
u32_t result_temp[LWIP_ARRAYSIZE(tcp_ConnTable_oid_ranges)];
/* init struct to search next oid */
snmp_next_oid_init(&state, row_oid->id, row_oid->len, result_temp, LWIP_ARRAYSIZE(tcp_ConnTable_oid_ranges));
/* iterate over all possible OIDs to find the next one */
for (i = 0; i < LWIP_ARRAYSIZE(tcp_pcb_lists); i++) {
pcb = *tcp_pcb_lists[i];
while (pcb != NULL) {
u32_t test_oid[LWIP_ARRAYSIZE(tcp_ConnTable_oid_ranges)];
if (IP_IS_V4_VAL(pcb->local_ip)) {
snmp_ip4_to_oid(ip_2_ip4(&pcb->local_ip), &test_oid[0]);
test_oid[4] = pcb->local_port;
/* PCBs in state LISTEN are not connected and have no remote_ip or remote_port */
if (pcb->state == LISTEN) {
snmp_ip4_to_oid(IP4_ADDR_ANY, &test_oid[5]);
test_oid[9] = 0;
} else {
if (IP_IS_V6_VAL(pcb->remote_ip)) { /* should never happen */
continue;
}
snmp_ip4_to_oid(ip_2_ip4(&pcb->remote_ip), &test_oid[5]);
test_oid[9] = pcb->remote_port;
}
/* check generated OID: is it a candidate for the next one? */
snmp_next_oid_check(&state, test_oid, LWIP_ARRAYSIZE(tcp_ConnTable_oid_ranges), pcb);
}
pcb = pcb->next;
}
}
/* did we find a next one? */
if (state.status == SNMP_NEXT_OID_STATUS_SUCCESS) {
snmp_oid_assign(row_oid, state.next_oid, state.next_oid_len);
/* fill in object properties */
return tcp_ConnTable_get_cell_value_core((struct tcp_pcb*)state.reference, column, value, value_len);
}
/* not found */
return SNMP_ERR_NOSUCHINSTANCE;
}
static snmp_err_t
ip_AddrTable_get_next_cell_instance_and_value(const u32_t* column, struct snmp_obj_id* row_oid, union snmp_variant_value* value, u32_t* value_len)
{
struct netif *netif;
struct snmp_next_oid_state state;
u32_t result_temp[LWIP_ARRAYSIZE(ip_AddrTable_oid_ranges)];
/* init struct to search next oid */
snmp_next_oid_init(&state, row_oid->id, row_oid->len, result_temp, LWIP_ARRAYSIZE(ip_AddrTable_oid_ranges));
/* iterate over all possible OIDs to find the next one */
netif = netif_list;
while (netif != NULL) {
u32_t test_oid[LWIP_ARRAYSIZE(ip_AddrTable_oid_ranges)];
snmp_ip4_to_oid(netif_ip4_addr(netif), &test_oid[0]);
/* check generated OID: is it a candidate for the next one? */
snmp_next_oid_check(&state, test_oid, LWIP_ARRAYSIZE(ip_AddrTable_oid_ranges), netif);
netif = netif->next;
}
/* did we find a next one? */
if (state.status == SNMP_NEXT_OID_STATUS_SUCCESS) {
snmp_oid_assign(row_oid, state.next_oid, state.next_oid_len);
/* fill in object properties */
return ip_AddrTable_get_cell_value_core((struct netif*)state.reference, column, value, value_len);
}
/* not found */
return SNMP_ERR_NOSUCHINSTANCE;
}
static snmp_err_t
ip_NetToMediaTable_get_next_cell_instance_and_value(const u32_t* column, struct snmp_obj_id* row_oid, union snmp_variant_value* value, u32_t* value_len)
{
u8_t i;
struct snmp_next_oid_state state;
u32_t result_temp[LWIP_ARRAYSIZE(ip_NetToMediaTable_oid_ranges)];
/* init struct to search next oid */
snmp_next_oid_init(&state, row_oid->id, row_oid->len, result_temp, LWIP_ARRAYSIZE(ip_NetToMediaTable_oid_ranges));
/* iterate over all possible OIDs to find the next one */
for (i=0; i<ARP_TABLE_SIZE; i++) {
ip4_addr_t *ip;
struct netif *netif;
struct eth_addr *ethaddr;
if (etharp_get_entry(i, &ip, &netif, ðaddr)) {
u32_t test_oid[LWIP_ARRAYSIZE(ip_NetToMediaTable_oid_ranges)];
test_oid[0] = netif_to_num(netif);
snmp_ip4_to_oid(ip, &test_oid[1]);
/* check generated OID: is it a candidate for the next one? */
snmp_next_oid_check(&state, test_oid, LWIP_ARRAYSIZE(ip_NetToMediaTable_oid_ranges), LWIP_PTR_NUMERIC_CAST(void*, i));
}
}
static snmp_err_t
ip_NetToMediaTable_get_next_cell_instance_and_value(const u32_t* column, struct snmp_obj_id* row_oid, union snmp_variant_value* value, u32_t* value_len)
{
u8_t i;
struct snmp_next_oid_state state;
u32_t result_temp[LWIP_ARRAYSIZE(ip_NetToMediaTable_oid_ranges)];
/* init struct to search next oid */
snmp_next_oid_init(&state, row_oid->id, row_oid->len, result_temp, LWIP_ARRAYSIZE(ip_NetToMediaTable_oid_ranges));
/* iterate over all possible OIDs to find the next one */
for (i=0; i<ARP_TABLE_SIZE; i++) {
ip4_addr_t *ip;
struct netif *netif;
struct eth_addr *ethaddr;
if (etharp_get_entry(i, &ip, &netif, ðaddr)) {
u32_t test_oid[LWIP_ARRAYSIZE(ip_NetToMediaTable_oid_ranges)];
test_oid[0] = netif_to_num(netif);
snmp_ip4_to_oid(ip, &test_oid[1]);
/* check generated OID: is it a candidate for the next one? */
snmp_next_oid_check(&state, test_oid, LWIP_ARRAYSIZE(ip_NetToMediaTable_oid_ranges), (void*)(size_t)i);
}
}
/* did we find a next one? */
if (state.status == SNMP_NEXT_OID_STATUS_SUCCESS) {
snmp_oid_assign(row_oid, state.next_oid, state.next_oid_len);
/* fill in object properties */
return ip_NetToMediaTable_get_cell_value_core((u8_t)(size_t)state.reference, column, value, value_len);
}
/* not found */
return SNMP_ERR_NOSUCHINSTANCE;
}
static snmp_err_t
udp_Table_get_next_cell_instance_and_value(const u32_t* column, struct snmp_obj_id* row_oid, union snmp_variant_value* value, u32_t* value_len)
{
struct udp_pcb *pcb;
struct snmp_next_oid_state state;
u32_t result_temp[LWIP_ARRAYSIZE(udp_Table_oid_ranges)];
/* init struct to search next oid */
snmp_next_oid_init(&state, row_oid->id, row_oid->len, result_temp, LWIP_ARRAYSIZE(udp_Table_oid_ranges));
/* iterate over all possible OIDs to find the next one */
pcb = udp_pcbs;
while (pcb != NULL) {
u32_t test_oid[LWIP_ARRAYSIZE(udp_Table_oid_ranges)];
if(IP_IS_V4_VAL(pcb->local_ip)) {
snmp_ip4_to_oid(ip_2_ip4(&pcb->local_ip), &test_oid[0]);
test_oid[4] = pcb->local_port;
/* check generated OID: is it a candidate for the next one? */
snmp_next_oid_check(&state, test_oid, LWIP_ARRAYSIZE(udp_Table_oid_ranges), pcb);
}
pcb = pcb->next;
}
/* did we find a next one? */
if(state.status == SNMP_NEXT_OID_STATUS_SUCCESS) {
snmp_oid_assign(row_oid, state.next_oid, state.next_oid_len);
/* fill in object properties */
return udp_Table_get_cell_value_core((struct udp_pcb*)state.reference, column, value, value_len);
} else {
/* not found */
return SNMP_ERR_NOSUCHINSTANCE;
}
}
