| /* |
| * Note: this file originally auto-generated by mib2c |
| */ |
| |
| #include <net-snmp/net-snmp-config.h> |
| #include <net-snmp/net-snmp-includes.h> |
| #include <net-snmp/agent/net-snmp-agent-includes.h> |
| |
| #include <net-snmp/agent/table.h> |
| #include <net-snmp/agent/table_iterator.h> |
| #include "nsTransactionTable.h" |
| |
| /** Initialize the nsTransactionTable table by defining it's contents |
| and how it's structured */ |
| void |
| initialize_table_nsTransactionTable(void) |
| { |
| const oid nsTransactionTable_oid[] = { 1, 3, 6, 1, 4, 1, 8072, 1, 8, 1 }; |
| netsnmp_table_registration_info *table_info; |
| netsnmp_handler_registration *my_handler; |
| netsnmp_iterator_info *iinfo; |
| |
| /* |
| * create the table structure itself |
| */ |
| table_info = SNMP_MALLOC_TYPEDEF(netsnmp_table_registration_info); |
| iinfo = SNMP_MALLOC_TYPEDEF(netsnmp_iterator_info); |
| |
| /* |
| * if your table is read only, it's easiest to change the |
| * HANDLER_CAN_RWRITE definition below to HANDLER_CAN_RONLY |
| */ |
| my_handler = netsnmp_create_handler_registration( |
| "nsTransactionTable", nsTransactionTable_handler, |
| nsTransactionTable_oid, OID_LENGTH(nsTransactionTable_oid), |
| HANDLER_CAN_RONLY); |
| |
| if (!my_handler || !table_info || !iinfo) { |
| if (my_handler) |
| netsnmp_handler_registration_free(my_handler); |
| SNMP_FREE(table_info); |
| SNMP_FREE(iinfo); |
| return; /* mallocs failed */ |
| } |
| |
| /*************************************************** |
| * Setting up the table's definition |
| */ |
| netsnmp_table_helper_add_index(table_info, ASN_INTEGER); /* index: |
| * * nsTransactionID |
| */ |
| |
| table_info->min_column = 2; |
| table_info->max_column = 2; |
| iinfo->get_first_data_point = nsTransactionTable_get_first_data_point; |
| iinfo->get_next_data_point = nsTransactionTable_get_next_data_point; |
| iinfo->table_reginfo = table_info; |
| |
| /*************************************************** |
| * registering the table with the master agent |
| */ |
| DEBUGMSGTL(("initialize_table_nsTransactionTable", |
| "Registering table nsTransactionTable as a table iterator\n")); |
| netsnmp_register_table_iterator(my_handler, iinfo); |
| } |
| |
| /** Initializes the nsTransactionTable module */ |
| void |
| init_nsTransactionTable(void) |
| { |
| |
| /* |
| * here we initialize all the tables we're planning on supporting |
| */ |
| initialize_table_nsTransactionTable(); |
| } |
| |
| /** returns the first data point within the nsTransactionTable table data. |
| |
| Set the my_loop_context variable to the first data point structure |
| of your choice (from which you can find the next one). This could |
| be anything from the first node in a linked list, to an integer |
| pointer containing the beginning of an array variable. |
| |
| Set the my_data_context variable to something to be returned to |
| you later that will provide you with the data to return in a given |
| row. This could be the same pointer as what my_loop_context is |
| set to, or something different. |
| |
| The put_index_data variable contains a list of snmp variable |
| bindings, one for each index in your table. Set the values of |
| each appropriately according to the data matching the first row |
| and return the put_index_data variable at the end of the function. |
| */ |
| extern netsnmp_agent_session *agent_delegated_list; |
| |
| netsnmp_variable_list * |
| nsTransactionTable_get_first_data_point(void **my_loop_context, |
| void **my_data_context, |
| netsnmp_variable_list |
| * put_index_data, |
| netsnmp_iterator_info *iinfo) |
| { |
| |
| netsnmp_variable_list *vptr; |
| |
| if (!agent_delegated_list) |
| return NULL; |
| |
| *my_loop_context = (void *) agent_delegated_list; |
| *my_data_context = (void *) agent_delegated_list; |
| |
| vptr = put_index_data; |
| |
| snmp_set_var_value(vptr, |
| (u_char *) & agent_delegated_list->pdu->transid, |
| sizeof(agent_delegated_list->pdu->transid)); |
| |
| return put_index_data; |
| } |
| |
| /** functionally the same as nsTransactionTable_get_first_data_point, but |
| my_loop_context has already been set to a previous value and should |
| be updated to the next in the list. For example, if it was a |
| linked list, you might want to cast it and the return |
| my_loop_context->next. The my_data_context pointer should be set |
| to something you need later and the indexes in put_index_data |
| updated again. */ |
| |
| netsnmp_variable_list * |
| nsTransactionTable_get_next_data_point(void **my_loop_context, |
| void **my_data_context, |
| netsnmp_variable_list |
| * put_index_data, |
| netsnmp_iterator_info *iinfo) |
| { |
| |
| netsnmp_variable_list *vptr; |
| netsnmp_agent_session *alist = (netsnmp_agent_session *) |
| *my_loop_context; |
| |
| if (!alist->next) |
| return NULL; |
| |
| alist = alist->next; |
| |
| *my_loop_context = (void *) alist; |
| *my_data_context = (void *) alist; |
| |
| vptr = put_index_data; |
| |
| snmp_set_var_value(vptr, (u_char *) & alist->pdu->transid, |
| sizeof(alist->pdu->transid)); |
| return put_index_data; |
| } |
| |
| /** handles requests for the nsTransactionTable table, if anything |
| else needs to be done */ |
| int |
| nsTransactionTable_handler(netsnmp_mib_handler *handler, |
| netsnmp_handler_registration *reginfo, |
| netsnmp_agent_request_info *reqinfo, |
| netsnmp_request_info *requests) |
| { |
| |
| netsnmp_table_request_info *table_info; |
| netsnmp_variable_list *var; |
| netsnmp_agent_session *asp; |
| |
| for (; requests; requests = requests->next) { |
| var = requests->requestvb; |
| if (requests->processed != 0) |
| continue; |
| |
| /* |
| * perform anything here that you need to do. The requests have |
| * already been processed by the master table_dataset handler, but |
| * this gives you chance to act on the request in some other way if |
| * need be. |
| */ |
| |
| /* |
| * the following extracts the my_data_context pointer set in the |
| * loop functions above. You can then use the results to help |
| * return data for the columns of the nsTransactionTable table in |
| * question |
| */ |
| asp = |
| (netsnmp_agent_session *) |
| netsnmp_extract_iterator_context(requests); |
| if (asp == NULL) { |
| netsnmp_set_request_error(reqinfo, requests, |
| SNMP_NOSUCHINSTANCE); |
| } |
| |
| /* |
| * extracts the information about the table from the request |
| */ |
| table_info = netsnmp_extract_table_info(requests); |
| |
| /* |
| * table_info->colnum contains the column number requested |
| */ |
| /* |
| * table_info->indexes contains a linked list of snmp variable |
| * bindings for the indexes of the table. Values in the list have |
| * been set corresponding to the indexes of the request |
| */ |
| if (table_info == NULL) { |
| continue; |
| } |
| |
| switch (reqinfo->mode) { |
| /* |
| * the table_iterator helper should change all GETNEXTs into |
| * GETs for you automatically, so you don't have to worry |
| * about the GETNEXT case. Only GETs and SETs need to be |
| * dealt with here |
| */ |
| case MODE_GET: |
| switch (table_info->colnum) { |
| |
| case COLUMN_NSTRANSACTIONMODE: |
| snmp_set_var_typed_value(var, ASN_INTEGER, |
| (u_char *) & asp->mode, |
| sizeof(asp->mode)); |
| break; |
| |
| default: |
| /* |
| * We shouldn't get here |
| */ |
| snmp_log(LOG_ERR, |
| "problem encountered in nsTransactionTable_handler: unknown column\n"); |
| } |
| break; |
| |
| default: |
| snmp_log(LOG_ERR, |
| "problem encountered in nsTransactionTable_handler: unsupported mode\n"); |
| } |
| } |
| return SNMP_ERR_NOERROR; |
| } |
