diff options
Diffstat (limited to 'agent/mibgroup/tcp-mib/tcpListenerTable/tcpListenerTable_interface.c')
| -rw-r--r-- | agent/mibgroup/tcp-mib/tcpListenerTable/tcpListenerTable_interface.c | 981 |
1 files changed, 981 insertions, 0 deletions
diff --git a/agent/mibgroup/tcp-mib/tcpListenerTable/tcpListenerTable_interface.c b/agent/mibgroup/tcp-mib/tcpListenerTable/tcpListenerTable_interface.c new file mode 100644 index 0000000..78c4b6a --- /dev/null +++ b/agent/mibgroup/tcp-mib/tcpListenerTable/tcpListenerTable_interface.c @@ -0,0 +1,981 @@ +/* + * Note: this file originally auto-generated by mib2c using + * version : 1.67 $ of : mfd-interface.m2c,v $ + * + * $Id: tcpListenerTable_interface.c 15015 2006-08-17 15:06:43Z rstory $ + */ +/* + * ********************************************************************* + * ********************************************************************* + * ********************************************************************* + * *** *** + * *** NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE *** + * *** *** + * *** *** + * *** THIS FILE DOES NOT CONTAIN ANY USER EDITABLE CODE. *** + * *** *** + * *** *** + * *** THE GENERATED CODE IS INTERNAL IMPLEMENTATION, AND *** + * *** *** + * *** *** + * *** IS SUBJECT TO CHANGE WITHOUT WARNING IN FUTURE RELEASES. *** + * *** *** + * *** *** + * ********************************************************************* + * ********************************************************************* + * ********************************************************************* + */ + +/* + * 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 "tcpListenerTable.h" + + +#include <net-snmp/agent/table_container.h> +#include <net-snmp/library/container.h> + +#include "tcpListenerTable_interface.h" + +#include <ctype.h> + +/********************************************************************** + ********************************************************************** + *** + *** Table tcpListenerTable + *** + ********************************************************************** + **********************************************************************/ +/* + * TCP-MIB::tcpListenerTable is subid 20 of tcp. + * Its status is Current. + * OID: .1.3.6.1.2.1.6.20, length: 8 + */ +typedef struct tcpListenerTable_interface_ctx_s { + + netsnmp_container *container; + netsnmp_cache *cache; + + tcpListenerTable_registration *user_ctx; + + netsnmp_table_registration_info tbl_info; + + netsnmp_baby_steps_access_methods access_multiplexer; + +} tcpListenerTable_interface_ctx; + +static tcpListenerTable_interface_ctx tcpListenerTable_if_ctx; + +static void + _tcpListenerTable_container_init(tcpListenerTable_interface_ctx * if_ctx); +static void + _tcpListenerTable_container_shutdown(tcpListenerTable_interface_ctx * + if_ctx); + + +netsnmp_container * +tcpListenerTable_container_get(void) +{ + return tcpListenerTable_if_ctx.container; +} + +tcpListenerTable_registration * +tcpListenerTable_registration_get(void) +{ + return tcpListenerTable_if_ctx.user_ctx; +} + +tcpListenerTable_registration * +tcpListenerTable_registration_set(tcpListenerTable_registration * newreg) +{ + tcpListenerTable_registration *old = tcpListenerTable_if_ctx.user_ctx; + tcpListenerTable_if_ctx.user_ctx = newreg; + return old; +} + +int +tcpListenerTable_container_size(void) +{ + return CONTAINER_SIZE(tcpListenerTable_if_ctx.container); +} + +/* + * mfd multiplexer modes + */ +static Netsnmp_Node_Handler _mfd_tcpListenerTable_pre_request; +static Netsnmp_Node_Handler _mfd_tcpListenerTable_post_request; +static Netsnmp_Node_Handler _mfd_tcpListenerTable_object_lookup; +static Netsnmp_Node_Handler _mfd_tcpListenerTable_get_values; +/** + * @internal + * Initialize the table tcpListenerTable + * (Define its contents and how it's structured) + */ +void +_tcpListenerTable_initialize_interface(tcpListenerTable_registration * + reg_ptr, u_long flags) +{ + netsnmp_baby_steps_access_methods *access_multiplexer = + &tcpListenerTable_if_ctx.access_multiplexer; + netsnmp_table_registration_info *tbl_info = + &tcpListenerTable_if_ctx.tbl_info; + netsnmp_handler_registration *reginfo; + netsnmp_mib_handler *handler; + int mfd_modes = 0; + + DEBUGMSGTL(("internal:tcpListenerTable:_tcpListenerTable_initialize_interface", "called\n")); + + + /************************************************* + * + * save interface context for tcpListenerTable + */ + /* + * Setting up the table's definition + */ + netsnmp_table_helper_add_indexes(tbl_info, ASN_INTEGER, + /** index: tcpListenerLocalAddressType */ + ASN_OCTET_STR, + /** index: tcpListenerLocalAddress */ + ASN_UNSIGNED, + /** index: tcpListenerLocalPort */ + 0); + + /* + * Define the minimum and maximum accessible columns. This + * optimizes retrival. + */ + tbl_info->min_column = TCPLISTENERTABLE_MIN_COL; + tbl_info->max_column = TCPLISTENERTABLE_MAX_COL; + + /* + * save users context + */ + tcpListenerTable_if_ctx.user_ctx = reg_ptr; + + /* + * call data access initialization code + */ + tcpListenerTable_init_data(reg_ptr); + + /* + * set up the container + */ + _tcpListenerTable_container_init(&tcpListenerTable_if_ctx); + if (NULL == tcpListenerTable_if_ctx.container) { + snmp_log(LOG_ERR, + "could not initialize container for tcpListenerTable\n"); + return; + } + + /* + * access_multiplexer: REQUIRED wrapper for get request handling + */ + access_multiplexer->object_lookup = + _mfd_tcpListenerTable_object_lookup; + access_multiplexer->get_values = _mfd_tcpListenerTable_get_values; + + /* + * no wrappers yet + */ + access_multiplexer->pre_request = _mfd_tcpListenerTable_pre_request; + access_multiplexer->post_request = _mfd_tcpListenerTable_post_request; + + + /************************************************* + * + * Create a registration, save our reg data, register table. + */ + DEBUGMSGTL(("tcpListenerTable:init_tcpListenerTable", + "Registering tcpListenerTable as a mibs-for-dummies table.\n")); + handler = + netsnmp_baby_steps_access_multiplexer_get(access_multiplexer); + reginfo = + netsnmp_handler_registration_create("tcpListenerTable", handler, + tcpListenerTable_oid, + tcpListenerTable_oid_size, + HANDLER_CAN_BABY_STEP | + HANDLER_CAN_RONLY); + if (NULL == reginfo) { + snmp_log(LOG_ERR, "error registering table tcpListenerTable\n"); + return; + } + reginfo->my_reg_void = &tcpListenerTable_if_ctx; + + /************************************************* + * + * set up baby steps handler, create it and inject it + */ + if (access_multiplexer->object_lookup) + mfd_modes |= BABY_STEP_OBJECT_LOOKUP; + if (access_multiplexer->set_values) + mfd_modes |= BABY_STEP_SET_VALUES; + if (access_multiplexer->irreversible_commit) + mfd_modes |= BABY_STEP_IRREVERSIBLE_COMMIT; + if (access_multiplexer->object_syntax_checks) + mfd_modes |= BABY_STEP_CHECK_OBJECT; + + if (access_multiplexer->pre_request) + mfd_modes |= BABY_STEP_PRE_REQUEST; + if (access_multiplexer->post_request) + mfd_modes |= BABY_STEP_POST_REQUEST; + + if (access_multiplexer->undo_setup) + mfd_modes |= BABY_STEP_UNDO_SETUP; + if (access_multiplexer->undo_cleanup) + mfd_modes |= BABY_STEP_UNDO_CLEANUP; + if (access_multiplexer->undo_sets) + mfd_modes |= BABY_STEP_UNDO_SETS; + + if (access_multiplexer->row_creation) + mfd_modes |= BABY_STEP_ROW_CREATE; + if (access_multiplexer->consistency_checks) + mfd_modes |= BABY_STEP_CHECK_CONSISTENCY; + if (access_multiplexer->commit) + mfd_modes |= BABY_STEP_COMMIT; + if (access_multiplexer->undo_commit) + mfd_modes |= BABY_STEP_UNDO_COMMIT; + + handler = netsnmp_baby_steps_handler_get(mfd_modes); + netsnmp_inject_handler(reginfo, handler); + + /************************************************* + * + * inject row_merge helper with prefix rootoid_len + 2 (entry.col) + */ + handler = netsnmp_get_row_merge_handler(reginfo->rootoid_len + 2); + netsnmp_inject_handler(reginfo, handler); + + /************************************************* + * + * inject container_table helper + */ + handler = + netsnmp_container_table_handler_get(tbl_info, + tcpListenerTable_if_ctx. + container, + TABLE_CONTAINER_KEY_NETSNMP_INDEX); + netsnmp_inject_handler(reginfo, handler); + + /************************************************* + * + * inject cache helper + */ + if (NULL != tcpListenerTable_if_ctx.cache) { + handler = netsnmp_cache_handler_get(tcpListenerTable_if_ctx.cache); + netsnmp_inject_handler(reginfo, handler); + } + + /* + * register table + */ + netsnmp_register_table(reginfo, tbl_info); + +} /* _tcpListenerTable_initialize_interface */ + +/** + * @internal + * Shutdown the table tcpListenerTable + */ +void +_tcpListenerTable_shutdown_interface(tcpListenerTable_registration * + reg_ptr) +{ + /* + * shutdown the container + */ + _tcpListenerTable_container_shutdown(&tcpListenerTable_if_ctx); +} + +void +tcpListenerTable_valid_columns_set(netsnmp_column_info *vc) +{ + tcpListenerTable_if_ctx.tbl_info.valid_columns = vc; +} /* tcpListenerTable_valid_columns_set */ + +/** + * @internal + * convert the index component stored in the context to an oid + */ +int +tcpListenerTable_index_to_oid(netsnmp_index * oid_idx, + tcpListenerTable_mib_index * mib_idx) +{ + int err = SNMP_ERR_NOERROR; + + /* + * temp storage for parsing indexes + */ + /* + * tcpListenerLocalAddressType(1)/InetAddressType/ASN_INTEGER/long(u_long)//l/a/w/E/r/d/h + */ + netsnmp_variable_list var_tcpListenerLocalAddressType; + /* + * tcpListenerLocalAddress(2)/InetAddress/ASN_OCTET_STR/char(char)//L/a/w/e/R/d/h + */ + netsnmp_variable_list var_tcpListenerLocalAddress; + /* + * tcpListenerLocalPort(3)/InetPortNumber/ASN_UNSIGNED/u_long(u_long)//l/a/w/e/R/d/H + */ + netsnmp_variable_list var_tcpListenerLocalPort; + + /* + * set up varbinds + */ + memset(&var_tcpListenerLocalAddressType, 0x00, + sizeof(var_tcpListenerLocalAddressType)); + var_tcpListenerLocalAddressType.type = ASN_INTEGER; + memset(&var_tcpListenerLocalAddress, 0x00, + sizeof(var_tcpListenerLocalAddress)); + var_tcpListenerLocalAddress.type = ASN_OCTET_STR; + memset(&var_tcpListenerLocalPort, 0x00, + sizeof(var_tcpListenerLocalPort)); + var_tcpListenerLocalPort.type = ASN_UNSIGNED; + + /* + * chain temp index varbinds together + */ + var_tcpListenerLocalAddressType.next_variable = + &var_tcpListenerLocalAddress; + var_tcpListenerLocalAddress.next_variable = &var_tcpListenerLocalPort; + var_tcpListenerLocalPort.next_variable = NULL; + + + DEBUGMSGTL(("verbose:tcpListenerTable:tcpListenerTable_index_to_oid", + "called\n")); + + /* + * tcpListenerLocalAddressType(1)/InetAddressType/ASN_INTEGER/long(u_long)//l/a/w/E/r/d/h + */ + snmp_set_var_value(&var_tcpListenerLocalAddressType, + (u_char *) & mib_idx->tcpListenerLocalAddressType, + sizeof(mib_idx->tcpListenerLocalAddressType)); + + /* + * tcpListenerLocalAddress(2)/InetAddress/ASN_OCTET_STR/char(char)//L/a/w/e/R/d/h + */ + snmp_set_var_value(&var_tcpListenerLocalAddress, + (u_char *) & mib_idx->tcpListenerLocalAddress, + mib_idx->tcpListenerLocalAddress_len * + sizeof(mib_idx->tcpListenerLocalAddress[0])); + + /* + * tcpListenerLocalPort(3)/InetPortNumber/ASN_UNSIGNED/u_long(u_long)//l/a/w/e/R/d/H + */ + snmp_set_var_value(&var_tcpListenerLocalPort, + (u_char *) & mib_idx->tcpListenerLocalPort, + sizeof(mib_idx->tcpListenerLocalPort)); + + + err = build_oid_noalloc(oid_idx->oids, oid_idx->len, &oid_idx->len, + NULL, 0, &var_tcpListenerLocalAddressType); + if (err) + snmp_log(LOG_ERR, "error %d converting index to oid\n", err); + + /* + * parsing may have allocated memory. free it. + */ + snmp_reset_var_buffers(&var_tcpListenerLocalAddressType); + + return err; +} /* tcpListenerTable_index_to_oid */ + +/** + * extract tcpListenerTable indexes from a netsnmp_index + * + * @retval SNMP_ERR_NOERROR : no error + * @retval SNMP_ERR_GENERR : error + */ +int +tcpListenerTable_index_from_oid(netsnmp_index * oid_idx, + tcpListenerTable_mib_index * mib_idx) +{ + int err = SNMP_ERR_NOERROR; + + /* + * temp storage for parsing indexes + */ + /* + * tcpListenerLocalAddressType(1)/InetAddressType/ASN_INTEGER/long(u_long)//l/a/w/E/r/d/h + */ + netsnmp_variable_list var_tcpListenerLocalAddressType; + /* + * tcpListenerLocalAddress(2)/InetAddress/ASN_OCTET_STR/char(char)//L/a/w/e/R/d/h + */ + netsnmp_variable_list var_tcpListenerLocalAddress; + /* + * tcpListenerLocalPort(3)/InetPortNumber/ASN_UNSIGNED/u_long(u_long)//l/a/w/e/R/d/H + */ + netsnmp_variable_list var_tcpListenerLocalPort; + + /* + * set up varbinds + */ + memset(&var_tcpListenerLocalAddressType, 0x00, + sizeof(var_tcpListenerLocalAddressType)); + var_tcpListenerLocalAddressType.type = ASN_INTEGER; + memset(&var_tcpListenerLocalAddress, 0x00, + sizeof(var_tcpListenerLocalAddress)); + var_tcpListenerLocalAddress.type = ASN_OCTET_STR; + memset(&var_tcpListenerLocalPort, 0x00, + sizeof(var_tcpListenerLocalPort)); + var_tcpListenerLocalPort.type = ASN_UNSIGNED; + + /* + * chain temp index varbinds together + */ + var_tcpListenerLocalAddressType.next_variable = + &var_tcpListenerLocalAddress; + var_tcpListenerLocalAddress.next_variable = &var_tcpListenerLocalPort; + var_tcpListenerLocalPort.next_variable = NULL; + + + DEBUGMSGTL(("verbose:tcpListenerTable:tcpListenerTable_index_from_oid", + "called\n")); + + /* + * parse the oid into the individual index components + */ + err = parse_oid_indexes(oid_idx->oids, oid_idx->len, + &var_tcpListenerLocalAddressType); + if (err == SNMP_ERR_NOERROR) { + /* + * copy out values + */ + mib_idx->tcpListenerLocalAddressType = + *((u_long *) var_tcpListenerLocalAddressType.val.string); + /* + * NOTE: val_len is in bytes, tcpListenerLocalAddress_len might not be + */ + if (var_tcpListenerLocalAddress.val_len > + sizeof(mib_idx->tcpListenerLocalAddress)) + err = SNMP_ERR_GENERR; + else { + memcpy(mib_idx->tcpListenerLocalAddress, + var_tcpListenerLocalAddress.val.string, + var_tcpListenerLocalAddress.val_len); + mib_idx->tcpListenerLocalAddress_len = + var_tcpListenerLocalAddress.val_len / + sizeof(mib_idx->tcpListenerLocalAddress[0]); + } + mib_idx->tcpListenerLocalPort = + *((u_long *) var_tcpListenerLocalPort.val.string); + + + } + + /* + * parsing may have allocated memory. free it. + */ + snmp_reset_var_buffers(&var_tcpListenerLocalAddressType); + + return err; +} /* tcpListenerTable_index_from_oid */ + + +/* + ********************************************************************* + * @internal + * allocate resources for a tcpListenerTable_rowreq_ctx + */ +tcpListenerTable_rowreq_ctx * +tcpListenerTable_allocate_rowreq_ctx(tcpListenerTable_data * data, + void *user_init_ctx) +{ + tcpListenerTable_rowreq_ctx *rowreq_ctx = + SNMP_MALLOC_TYPEDEF(tcpListenerTable_rowreq_ctx); + + DEBUGMSGTL(("internal:tcpListenerTable:tcpListenerTable_allocate_rowreq_ctx", "called\n")); + + if (NULL == rowreq_ctx) { + snmp_log(LOG_ERR, "Couldn't allocate memory for a " + "tcpListenerTable_rowreq_ctx.\n"); + return NULL; + } else { + if (NULL != data) { + /* + * track if we got data from user + */ + rowreq_ctx->rowreq_flags |= MFD_ROW_DATA_FROM_USER; + rowreq_ctx->data = data; + } else if (NULL == + (rowreq_ctx->data = tcpListenerTable_allocate_data())) { + SNMP_FREE(rowreq_ctx); + return NULL; + } + } + + /* + * undo context will be allocated when needed (in *_undo_setup) + */ + + rowreq_ctx->oid_idx.oids = rowreq_ctx->oid_tmp; + + rowreq_ctx->tcpListenerTable_data_list = NULL; + + /* + * if we allocated data, call init routine + */ + if (!(rowreq_ctx->rowreq_flags & MFD_ROW_DATA_FROM_USER)) { + if (SNMPERR_SUCCESS != + tcpListenerTable_rowreq_ctx_init(rowreq_ctx, user_init_ctx)) { + tcpListenerTable_release_rowreq_ctx(rowreq_ctx); + rowreq_ctx = NULL; + } + } + + return rowreq_ctx; +} /* tcpListenerTable_allocate_rowreq_ctx */ + +/* + * @internal + * release resources for a tcpListenerTable_rowreq_ctx + */ +void +tcpListenerTable_release_rowreq_ctx(tcpListenerTable_rowreq_ctx * + rowreq_ctx) +{ + DEBUGMSGTL(("internal:tcpListenerTable:tcpListenerTable_release_rowreq_ctx", "called\n")); + + netsnmp_assert(NULL != rowreq_ctx); + + tcpListenerTable_rowreq_ctx_cleanup(rowreq_ctx); + + /* + * for non-transient data, don't free data we got from the user + */ + if ((rowreq_ctx->data) && + !(rowreq_ctx->rowreq_flags & MFD_ROW_DATA_FROM_USER)) + tcpListenerTable_release_data(rowreq_ctx->data); + + /* + * free index oid pointer + */ + if (rowreq_ctx->oid_idx.oids != rowreq_ctx->oid_tmp) + free(rowreq_ctx->oid_idx.oids); + + SNMP_FREE(rowreq_ctx); +} /* tcpListenerTable_release_rowreq_ctx */ + +/** + * @internal + * wrapper + */ +static int +_mfd_tcpListenerTable_pre_request(netsnmp_mib_handler *handler, + netsnmp_handler_registration *reginfo, + netsnmp_agent_request_info *agtreq_info, + netsnmp_request_info *requests) +{ + int rc; + + DEBUGMSGTL(("internal:tcpListenerTable:_mfd_tcpListenerTable_pre_request", "called\n")); + + if (1 != netsnmp_row_merge_status_first(reginfo, agtreq_info)) { + DEBUGMSGTL(("internal:tcpListenerTable", + "skipping additional pre_request\n")); + return SNMP_ERR_NOERROR; + } + + rc = tcpListenerTable_pre_request(tcpListenerTable_if_ctx.user_ctx); + if (MFD_SUCCESS != rc) { + /* + * nothing we can do about it but log it + */ + DEBUGMSGTL(("tcpListenerTable", "error %d from " + "tcpListenerTable_pre_request\n", rc)); + netsnmp_request_set_error_all(requests, SNMP_VALIDATE_ERR(rc)); + } + + return SNMP_ERR_NOERROR; +} /* _mfd_tcpListenerTable_pre_request */ + +/** + * @internal + * wrapper + */ +static int +_mfd_tcpListenerTable_post_request(netsnmp_mib_handler *handler, + netsnmp_handler_registration *reginfo, + netsnmp_agent_request_info *agtreq_info, + netsnmp_request_info *requests) +{ + tcpListenerTable_rowreq_ctx *rowreq_ctx = + netsnmp_container_table_row_extract(requests); + int rc, packet_rc; + + DEBUGMSGTL(("internal:tcpListenerTable:_mfd_tcpListenerTable_post_request", "called\n")); + + /* + * release row context, if deleted + */ + if (rowreq_ctx && (rowreq_ctx->rowreq_flags & MFD_ROW_DELETED)) + tcpListenerTable_release_rowreq_ctx(rowreq_ctx); + + /* + * wait for last call before calling user + */ + if (1 != netsnmp_row_merge_status_last(reginfo, agtreq_info)) { + DEBUGMSGTL(("internal:tcpListenerTable", + "waiting for last post_request\n")); + return SNMP_ERR_NOERROR; + } + + packet_rc = netsnmp_check_all_requests_error(agtreq_info->asp, 0); + rc = tcpListenerTable_post_request(tcpListenerTable_if_ctx.user_ctx, + packet_rc); + if (MFD_SUCCESS != rc) { + /* + * nothing we can do about it but log it + */ + DEBUGMSGTL(("tcpListenerTable", "error %d from " + "tcpListenerTable_post_request\n", rc)); + } + + return SNMP_ERR_NOERROR; +} /* _mfd_tcpListenerTable_post_request */ + +/** + * @internal + * wrapper + */ +static int +_mfd_tcpListenerTable_object_lookup(netsnmp_mib_handler *handler, + netsnmp_handler_registration *reginfo, + netsnmp_agent_request_info + *agtreq_info, + netsnmp_request_info *requests) +{ + int rc = SNMP_ERR_NOERROR; + tcpListenerTable_rowreq_ctx *rowreq_ctx = + netsnmp_container_table_row_extract(requests); + + DEBUGMSGTL(("internal:tcpListenerTable:_mfd_tcpListenerTable_object_lookup", "called\n")); + + /* + * get our context from mfd + * tcpListenerTable_interface_ctx *if_ctx = + * (tcpListenerTable_interface_ctx *)reginfo->my_reg_void; + */ + + if (NULL == rowreq_ctx) { + rc = SNMP_ERR_NOCREATION; + } + + if (MFD_SUCCESS != rc) + netsnmp_request_set_error_all(requests, rc); + else + tcpListenerTable_row_prep(rowreq_ctx); + + return SNMP_VALIDATE_ERR(rc); +} /* _mfd_tcpListenerTable_object_lookup */ + +/*********************************************************************** + * + * GET processing + * + ***********************************************************************/ +/* + * @internal + * Retrieve the value for a particular column + */ +NETSNMP_STATIC_INLINE int +_tcpListenerTable_get_column(tcpListenerTable_rowreq_ctx * rowreq_ctx, + netsnmp_variable_list * var, int column) +{ + int rc = SNMPERR_SUCCESS; + + DEBUGMSGTL(("internal:tcpListenerTable:_mfd_tcpListenerTable_get_column", "called for %d\n", column)); + + + netsnmp_assert(NULL != rowreq_ctx); + + switch (column) { + + /* + * tcpListenerProcess(4)/UNSIGNED32/ASN_UNSIGNED/u_long(u_long)//l/A/w/e/r/d/h + */ + case COLUMN_TCPLISTENERPROCESS: + var->val_len = sizeof(u_long); + var->type = ASN_UNSIGNED; + rc = tcpListenerProcess_get(rowreq_ctx, + (u_long *) var->val.string); + break; + + default: + snmp_log(LOG_ERR, + "unknown column %d in _tcpListenerTable_get_column\n", + column); + break; + } + + return rc; +} /* _tcpListenerTable_get_column */ + +int +_mfd_tcpListenerTable_get_values(netsnmp_mib_handler *handler, + netsnmp_handler_registration *reginfo, + netsnmp_agent_request_info *agtreq_info, + netsnmp_request_info *requests) +{ + tcpListenerTable_rowreq_ctx *rowreq_ctx = + netsnmp_container_table_row_extract(requests); + netsnmp_table_request_info *tri; + u_char *old_string; + void (*dataFreeHook) (void *); + int rc; + + DEBUGMSGTL(("internal:tcpListenerTable:_mfd_tcpListenerTable_get_values", "called\n")); + + netsnmp_assert(NULL != rowreq_ctx); + + for (; requests; requests = requests->next) { + /* + * save old pointer, so we can free it if replaced + */ + old_string = requests->requestvb->val.string; + dataFreeHook = requests->requestvb->dataFreeHook; + if (NULL == requests->requestvb->val.string) { + requests->requestvb->val.string = requests->requestvb->buf; + requests->requestvb->val_len = + sizeof(requests->requestvb->buf); + } else if (requests->requestvb->buf == + requests->requestvb->val.string) { + if (requests->requestvb->val_len != + sizeof(requests->requestvb->buf)) + requests->requestvb->val_len = + sizeof(requests->requestvb->buf); + } + + /* + * get column data + */ + tri = netsnmp_extract_table_info(requests); + if (NULL == tri) + continue; + + rc = _tcpListenerTable_get_column(rowreq_ctx, requests->requestvb, + tri->colnum); + if (rc) { + if (MFD_SKIP == rc) { + requests->requestvb->type = SNMP_NOSUCHINSTANCE; + rc = SNMP_ERR_NOERROR; + } + } else if (NULL == requests->requestvb->val.string) { + snmp_log(LOG_ERR, "NULL varbind data pointer!\n"); + rc = SNMP_ERR_GENERR; + } + if (rc) + netsnmp_request_set_error(requests, SNMP_VALIDATE_ERR(rc)); + + /* + * if the buffer wasn't used previously for the old data (i.e. it + * was allcoated memory) and the get routine replaced the pointer, + * we need to free the previous pointer. + */ + if (old_string && (old_string != requests->requestvb->buf) && + (requests->requestvb->val.string != old_string)) { + if (dataFreeHook) + (*dataFreeHook) (old_string); + else + free(old_string); + } + } /* for results */ + + return SNMP_ERR_NOERROR; +} /* _mfd_tcpListenerTable_get_values */ + + +/*********************************************************************** + * + * SET processing + * + ***********************************************************************/ + +/* + * SET PROCESSING NOT APPLICABLE (per MIB or user setting) + */ +/*********************************************************************** + * + * DATA ACCESS + * + ***********************************************************************/ +static void _container_free(netsnmp_container *container); + +/** + * @internal + */ +static int +_cache_load(netsnmp_cache * cache, void *vmagic) +{ + DEBUGMSGTL(("internal:tcpListenerTable:_cache_load", "called\n")); + + if ((NULL == cache) || (NULL == cache->magic)) { + snmp_log(LOG_ERR, + "invalid cache for tcpListenerTable_cache_load\n"); + return -1; + } + + /** should only be called for an invalid or expired cache */ + netsnmp_assert((0 == cache->valid) || (1 == cache->expired)); + + /* + * call user code + */ + return tcpListenerTable_container_load((netsnmp_container *) cache-> + magic); +} /* _cache_load */ + +/** + * @internal + */ +static void +_cache_free(netsnmp_cache * cache, void *magic) +{ + netsnmp_container *container; + + DEBUGMSGTL(("internal:tcpListenerTable:_cache_free", "called\n")); + + if ((NULL == cache) || (NULL == cache->magic)) { + snmp_log(LOG_ERR, + "invalid cache in tcpListenerTable_cache_free\n"); + return; + } + + container = (netsnmp_container *) cache->magic; + + _container_free(container); +} /* _cache_free */ + +/** + * @internal + */ +static void +_container_item_free(tcpListenerTable_rowreq_ctx * rowreq_ctx, + void *context) +{ + DEBUGMSGTL(("internal:tcpListenerTable:_container_item_free", + "called\n")); + + if (NULL == rowreq_ctx) + return; + + tcpListenerTable_release_rowreq_ctx(rowreq_ctx); +} /* _container_item_free */ + +/** + * @internal + */ +static void +_container_free(netsnmp_container *container) +{ + DEBUGMSGTL(("internal:tcpListenerTable:_container_free", "called\n")); + + if (NULL == container) { + snmp_log(LOG_ERR, + "invalid container in tcpListenerTable_container_free\n"); + return; + } + + /* + * call user code + */ + tcpListenerTable_container_free(container); + + /* + * free all items. inefficient, but easy. + */ + CONTAINER_CLEAR(container, + (netsnmp_container_obj_func *) _container_item_free, + NULL); +} /* _container_free */ + +/** + * @internal + * initialize the container with functions or wrappers + */ +void +_tcpListenerTable_container_init(tcpListenerTable_interface_ctx * if_ctx) +{ + DEBUGMSGTL(("internal:tcpListenerTable:_tcpListenerTable_container_init", "called\n")); + + /* + * cache init + */ + if_ctx->cache = netsnmp_cache_create(30, /* timeout in seconds */ + _cache_load, _cache_free, + tcpListenerTable_oid, + tcpListenerTable_oid_size); + + if (NULL == if_ctx->cache) { + snmp_log(LOG_ERR, "error creating cache for tcpListenerTable\n"); + return; + } + + if_ctx->cache->flags = NETSNMP_CACHE_DONT_INVALIDATE_ON_SET; + + tcpListenerTable_container_init(&if_ctx->container, if_ctx->cache); + if (NULL == if_ctx->container) + if_ctx->container = + netsnmp_container_find("tcpListenerTable:table_container"); + if (NULL == if_ctx->container) { + snmp_log(LOG_ERR, "error creating container in " + "tcpListenerTable_container_init\n"); + return; + } + + if (NULL != if_ctx->cache) + if_ctx->cache->magic = (void *) if_ctx->container; +} /* _tcpListenerTable_container_init */ + +/** + * @internal + * shutdown the container with functions or wrappers + */ +void +_tcpListenerTable_container_shutdown(tcpListenerTable_interface_ctx * + if_ctx) +{ + DEBUGMSGTL(("internal:tcpListenerTable:_tcpListenerTable_container_shutdown", "called\n")); + + tcpListenerTable_container_shutdown(if_ctx->container); + + _container_free(if_ctx->container); + +} /* _tcpListenerTable_container_shutdown */ + + +tcpListenerTable_rowreq_ctx * +tcpListenerTable_row_find_by_mib_index(tcpListenerTable_mib_index * + mib_idx) +{ + tcpListenerTable_rowreq_ctx *rowreq_ctx; + oid oid_tmp[MAX_OID_LEN]; + netsnmp_index oid_idx; + int rc; + + /* + * set up storage for OID + */ + oid_idx.oids = oid_tmp; + oid_idx.len = sizeof(oid_tmp) / sizeof(oid); + + /* + * convert + */ + rc = tcpListenerTable_index_to_oid(&oid_idx, mib_idx); + if (MFD_SUCCESS != rc) + return NULL; + + rowreq_ctx = + CONTAINER_FIND(tcpListenerTable_if_ctx.container, &oid_idx); + + return rowreq_ctx; +} |