| /* |
| * Note: this file originally auto-generated by mib2c using |
| * version : 1.17 $ of : mfd-data-access.m2c,v $ |
| * |
| * $Id$ |
| */ |
| /* |
| * standard Net-SNMP includes |
| */ |
| #include <net-snmp/net-snmp-config.h> |
| #include <net-snmp/net-snmp-includes.h> |
| #include <net-snmp/agent/net-snmp-agent-includes.h> |
| |
| /* |
| * include our parent header |
| */ |
| #include "ipv6InterfaceTable.h" |
| |
| |
| #include "ipv6InterfaceTable_data_access.h" |
| |
| /** @ingroup interface |
| * @addtogroup data_access data_access: Routines to access data |
| * |
| * These routines are used to locate the data used to satisfy |
| * requests. |
| * |
| * @{ |
| */ |
| /********************************************************************** |
| ********************************************************************** |
| *** |
| *** Table ipv6InterfaceTable |
| *** |
| ********************************************************************** |
| **********************************************************************/ |
| /* |
| * IP-MIB::ipv6InterfaceTable is subid 30 of ip. |
| * Its status is Current. |
| * OID: .1.3.6.1.2.1.4.30, length: 8 |
| */ |
| |
| /** |
| * initialization for ipv6InterfaceTable data access |
| * |
| * This function is called during startup to allow you to |
| * allocate any resources you need for the data table. |
| * |
| * @param ipv6InterfaceTable_reg |
| * Pointer to ipv6InterfaceTable_registration |
| * |
| * @retval MFD_SUCCESS : success. |
| * @retval MFD_ERROR : unrecoverable error. |
| */ |
| int |
| ipv6InterfaceTable_init_data(ipv6InterfaceTable_registration * |
| ipv6InterfaceTable_reg) |
| { |
| DEBUGMSGTL(("verbose:ipv6InterfaceTable:ipv6InterfaceTable_init_data", |
| "called\n")); |
| |
| /* |
| * TODO:303:o: Initialize ipv6InterfaceTable data. |
| */ |
| |
| return MFD_SUCCESS; |
| } /* ipv6InterfaceTable_init_data */ |
| |
| /** |
| * container overview |
| * |
| */ |
| |
| /** |
| * container initialization |
| * |
| * @param container_ptr_ptr A pointer to a container pointer. If you |
| * create a custom container, use this parameter to return it |
| * to the MFD helper. If set to NULL, the MFD helper will |
| * allocate a container for you. |
| * |
| * This function is called at startup to allow you to customize certain |
| * aspects of the access method. For the most part, it is for advanced |
| * users. The default code should suffice for most cases. If no custom |
| * container is allocated, the MFD code will create one for your. |
| * |
| * @remark |
| * This would also be a good place to do any initialization needed |
| * for you data source. For example, opening a connection to another |
| * process that will supply the data, opening a database, etc. |
| */ |
| void |
| ipv6InterfaceTable_container_init(netsnmp_container **container_ptr_ptr) |
| { |
| DEBUGMSGTL(("verbose:ipv6InterfaceTable:ipv6InterfaceTable_container_init", "called\n")); |
| |
| if (NULL == container_ptr_ptr) { |
| snmp_log(LOG_ERR, |
| "bad container param to ipv6InterfaceTable_container_init\n"); |
| return; |
| } |
| |
| /* |
| * For advanced users, you can use a custom container. If you |
| * do not create one, one will be created for you. |
| */ |
| *container_ptr_ptr = NULL; |
| |
| } /* ipv6InterfaceTable_container_init */ |
| |
| /** |
| * @internal |
| * determine if we want a ifTable row in our container |
| */ |
| void |
| ipv6InterfaceTable_check_entry_for_updates(const ifTable_rowreq_ctx * |
| ift_rrc, |
| netsnmp_interface_entry *entry) |
| { |
| netsnmp_container *c = ipv6InterfaceTable_container_get(); |
| ifTable_rowreq_ctx *ip6if_rrc; |
| int changed = 0; |
| |
| DEBUGMSGTL(("verbose:ipv6InterfaceTable:check_entry_for_updates", |
| "called\n")); |
| |
| /* |
| * do we have a corresponding row? |
| */ |
| ip6if_rrc = CONTAINER_FIND(c, ift_rrc); |
| if (NULL == ip6if_rrc) { |
| /* |
| * no corresponding row. should we have one? |
| */ |
| if ((NULL != entry) && |
| (entry->ns_flags & NETSNMP_INTERFACE_FLAGS_HAS_IPV6)) { |
| /* |
| * yes. |
| */ |
| DEBUGMSGTL(("ipv6InterfaceTable:check_entry_for_updates", |
| "inserted row for index %" NETSNMP_PRIo "d\n", entry->index)); |
| CONTAINER_INSERT(c, ift_rrc); |
| changed = 1; |
| } |
| } else { |
| /* |
| * found corresponding row. is it still applicable? |
| */ |
| if ((NULL == entry) || |
| (0 == (entry->ns_flags & NETSNMP_INTERFACE_FLAGS_HAS_IPV6))) { |
| /* |
| * no |
| */ |
| DEBUGMSGTL(("ipv6InterfaceTable:check_entry_for_updates", |
| "removed row for index %" NETSNMP_PRIo "d\n", |
| ift_rrc->data.ifentry->index)); |
| CONTAINER_REMOVE(c, ift_rrc); |
| changed = 1; |
| } else { |
| /* |
| * still applicable. anything changed? |
| */ |
| if (/** retransmit */ |
| ((entry-> |
| ns_flags & NETSNMP_INTERFACE_FLAGS_HAS_V6_RETRANSMIT) |
| && (entry->retransmit_v6 != |
| ift_rrc->data.ifentry->retransmit_v6)) || |
| /** reasm */ |
| ((entry-> |
| ns_flags & NETSNMP_INTERFACE_FLAGS_HAS_V6_REASMMAX) |
| && (entry->reasm_max_v6 != |
| ift_rrc->data.ifentry->reasm_max_v6)) || |
| /** reachable time */ |
| ((entry-> |
| ns_flags & NETSNMP_INTERFACE_FLAGS_HAS_V6_REACHABLE) |
| && (entry->reachable_time != |
| ift_rrc->data.ifentry->reachable_time)) || |
| /** if id */ |
| ((entry->ns_flags & NETSNMP_INTERFACE_FLAGS_HAS_V6_IFID) |
| && |
| ((entry->v6_if_id_len != |
| ift_rrc->data.ifentry->v6_if_id_len) |
| || (0 != |
| memcmp(entry->v6_if_id, |
| ift_rrc->data.ifentry->v6_if_id, |
| entry->v6_if_id_len)))) || |
| /** forwarding */ |
| ((entry-> |
| ns_flags & NETSNMP_INTERFACE_FLAGS_HAS_V6_FORWARDING) |
| && (entry->forwarding_v6 != |
| ift_rrc->data.ifentry->forwarding_v6))) { |
| DEBUGMSGTL(("ipv6InterfaceTable:check_entry_for_updates", |
| "row changed for index %" NETSNMP_PRIo "d\n", |
| ift_rrc->data.ifentry->index)); |
| changed = 1; |
| } |
| } |
| } |
| |
| /* |
| * if something changed, update table last changed |
| */ |
| if (changed) |
| ipv6InterfaceTable_lastChange_set(netsnmp_get_agent_uptime()); |
| } |
| |
| |
| /** |
| * container shutdown |
| * |
| * @param container_ptr A pointer to the container. |
| * |
| * This function is called at shutdown to allow you to customize certain |
| * aspects of the access method. For the most part, it is for advanced |
| * users. The default code should suffice for most cases. |
| * |
| * This function is called before ipv6InterfaceTable_container_free(). |
| * |
| * @remark |
| * This would also be a good place to do any cleanup needed |
| * for you data source. For example, closing a connection to another |
| * process that supplied the data, closing a database, etc. |
| */ |
| void |
| ipv6InterfaceTable_container_shutdown(netsnmp_container *container_ptr) |
| { |
| DEBUGMSGTL(("verbose:ipv6InterfaceTable:ipv6InterfaceTable_container_shutdown", "called\n")); |
| |
| if (NULL == container_ptr) { |
| snmp_log(LOG_ERR, |
| "bad params to ipv6InterfaceTable_container_shutdown\n"); |
| return; |
| } |
| |
| } /* ipv6InterfaceTable_container_shutdown */ |
| |
| /** |
| * load initial data |
| * |
| * TODO:350:M: Implement ipv6InterfaceTable data load |
| * |
| * @param container container to which items should be inserted |
| * |
| * @retval MFD_SUCCESS : success. |
| * @retval MFD_RESOURCE_UNAVAILABLE : Can't access data source |
| * @retval MFD_ERROR : other error. |
| * |
| * This function is called to load the index(es) (and data, optionally) |
| * for the every row in the data set. |
| * |
| * @remark |
| * While loading the data, the only important thing is the indexes. |
| * If access to your data is cheap/fast (e.g. you have a pointer to a |
| * structure in memory), it would make sense to update the data here. |
| * If, however, the accessing the data invovles more work (e.g. parsing |
| * some other existing data, or peforming calculations to derive the data), |
| * then you can limit yourself to setting the indexes and saving any |
| * information you will need later. Then use the saved information in |
| * ipv6InterfaceTable_row_prep() for populating data. |
| * |
| * @note |
| * If you need consistency between rows (like you want statistics |
| * for each row to be from the same time frame), you should set all |
| * data here. |
| * |
| */ |
| int |
| ipv6InterfaceTable_container_load(netsnmp_container *container) |
| { |
| ipv6InterfaceTable_rowreq_ctx *rowreq_ctx; |
| size_t count = 0; |
| |
| /* |
| * temporary storage for index values |
| */ |
| /* |
| * ipv6InterfaceIfIndex(1)/InterfaceIndex/ASN_INTEGER/long(long)//l/a/w/e/R/d/H |
| */ |
| long ipv6InterfaceIfIndex; |
| |
| |
| DEBUGMSGTL(("verbose:ipv6InterfaceTable:ipv6InterfaceTable_container_load", "called\n")); |
| |
| /* |
| * TODO:351:M: |-> Load/update data in the ipv6InterfaceTable container. |
| * loop over your ipv6InterfaceTable data, allocate a rowreq context, |
| * set the index(es) [and data, optionally] and insert into |
| * the container. |
| */ |
| while (1) { |
| /* |
| * check for end of data; bail out if there is no more data |
| */ |
| if (1) |
| break; |
| |
| /* |
| * TODO:352:M: | |-> set indexes in new ipv6InterfaceTable rowreq context. |
| * data context will be set from the param (unless NULL, |
| * in which case a new data context will be allocated) |
| */ |
| rowreq_ctx = ipv6InterfaceTable_allocate_rowreq_ctx(NULL); |
| if (NULL == rowreq_ctx) { |
| snmp_log(LOG_ERR, "memory allocation failed\n"); |
| return MFD_RESOURCE_UNAVAILABLE; |
| } |
| if (MFD_SUCCESS != |
| ipv6InterfaceTable_indexes_set(rowreq_ctx, |
| ipv6InterfaceIfIndex)) { |
| snmp_log(LOG_ERR, |
| "error setting index while loading " |
| "ipv6InterfaceTable data.\n"); |
| ipv6InterfaceTable_release_rowreq_ctx(rowreq_ctx); |
| continue; |
| } |
| |
| /* |
| * TODO:352:r: | |-> populate ipv6InterfaceTable data context. |
| * Populate data context here. (optionally, delay until row prep) |
| */ |
| /* |
| * non-TRANSIENT data: no need to copy. set pointer to data |
| */ |
| |
| /* |
| * insert into table container |
| */ |
| CONTAINER_INSERT(container, rowreq_ctx); |
| ++count; |
| } |
| |
| DEBUGMSGT(("verbose:ipv6InterfaceTable:ipv6InterfaceTable_container_load", "inserted %d records\n", (int)count)); |
| |
| return MFD_SUCCESS; |
| } /* ipv6InterfaceTable_container_load */ |
| |
| /** |
| * container clean up |
| * |
| * @param container container with all current items |
| * |
| * This optional callback is called prior to all |
| * item's being removed from the container. If you |
| * need to do any processing before that, do it here. |
| * |
| * @note |
| * The MFD helper will take care of releasing all the row contexts. |
| * |
| */ |
| void |
| ipv6InterfaceTable_container_free(netsnmp_container *container) |
| { |
| DEBUGMSGTL(("verbose:ipv6InterfaceTable:ipv6InterfaceTable_container_free", "called\n")); |
| |
| /* |
| * TODO:380:M: Free ipv6InterfaceTable container data. |
| */ |
| } /* ipv6InterfaceTable_container_free */ |
| |
| /** |
| * prepare row for processing. |
| * |
| * When the agent has located the row for a request, this function is |
| * called to prepare the row for processing. If you fully populated |
| * the data context during the index setup phase, you may not need to |
| * do anything. |
| * |
| * @param rowreq_ctx pointer to a context. |
| * |
| * @retval MFD_SUCCESS : success. |
| * @retval MFD_ERROR : other error. |
| */ |
| int |
| ipv6InterfaceTable_row_prep(ipv6InterfaceTable_rowreq_ctx * rowreq_ctx) |
| { |
| DEBUGMSGTL(("verbose:ipv6InterfaceTable:ipv6InterfaceTable_row_prep", |
| "called\n")); |
| |
| netsnmp_assert(NULL != rowreq_ctx); |
| |
| /* |
| * TODO:390:o: Prepare row for request. |
| * If populating row data was delayed, this is the place to |
| * fill in the row for this request. |
| */ |
| |
| return MFD_SUCCESS; |
| } /* ipv6InterfaceTable_row_prep */ |
| |
| /** @} */ |
