static snmp_err_t tcp_ConnectionTable_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 tcp_pcb *pcb; struct snmp_next_oid_state state; /* 1x tcpConnectionLocalAddressType + 1x OID len + 16x tcpConnectionLocalAddress + 1x tcpConnectionLocalPort * 1x tcpConnectionRemAddressType + 1x OID len + 16x tcpConnectionRemAddress + 1x tcpConnectionRemPort */ u32_t result_temp[38]; u8_t i; struct tcp_pcb ** const tcp_pcb_nonlisten_lists[] = {&tcp_bound_pcbs, &tcp_active_pcbs, &tcp_tw_pcbs}; LWIP_UNUSED_ARG(value_len); /* init struct to search next oid */ snmp_next_oid_init(&state, row_oid->id, row_oid->len, result_temp, LWIP_ARRAYSIZE(result_temp)); /* iterate over all possible OIDs to find the next one */ for (i = 0; i < LWIP_ARRAYSIZE(tcp_pcb_nonlisten_lists); i++) { pcb = *tcp_pcb_nonlisten_lists[i]; while (pcb != NULL) { u8_t idx = 0; u32_t test_oid[LWIP_ARRAYSIZE(result_temp)]; /* tcpConnectionLocalAddressType + tcpConnectionLocalAddress + tcpConnectionLocalPort */ idx += snmp_ip_port_to_oid(&pcb->local_ip, pcb->local_port, &test_oid[idx]); /* tcpConnectionRemAddressType + tcpConnectionRemAddress + tcpConnectionRemPort */ idx += snmp_ip_port_to_oid(&pcb->remote_ip, pcb->remote_port, &test_oid[idx]); /* check generated OID: is it a candidate for the next one? */ snmp_next_oid_check(&state, test_oid, idx, 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_ConnectionTable_get_cell_value_core(column, (struct tcp_pcb*)state.reference, value); } else { /* not found */ return SNMP_ERR_NOSUCHINSTANCE; } }
static snmp_err_t tcp_ListenerTable_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 tcp_pcb_listen *pcb; struct snmp_next_oid_state state; /* 1x tcpListenerLocalAddressType + 1x OID len + 16x tcpListenerLocalAddress + 1x tcpListenerLocalPort */ u32_t result_temp[19]; LWIP_UNUSED_ARG(value_len); /* init struct to search next oid */ snmp_next_oid_init(&state, row_oid->id, row_oid->len, result_temp, LWIP_ARRAYSIZE(result_temp)); /* iterate over all possible OIDs to find the next one */ pcb = tcp_listen_pcbs.listen_pcbs; while (pcb != NULL) { u8_t idx = 0; u32_t test_oid[LWIP_ARRAYSIZE(result_temp)]; /* tcpListenerLocalAddressType + tcpListenerLocalAddress + tcpListenerLocalPort */ idx += snmp_ip_port_to_oid(&pcb->local_ip, pcb->local_port, &test_oid[idx]); /* check generated OID: is it a candidate for the next one? */ snmp_next_oid_check(&state, test_oid, idx, NULL); 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_ListenerTable_get_cell_value_core(column, value); } else { /* 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), (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; } }