net-snmp/local/mib2c-conf.d/mfd-data-access.m2c

326 lines
10 KiB
C

##//######################################################### -*- c -*-
##//generic include for XXX. Do not use directly.
##
##//####################################################################
##//####################################################################
##
## lower conf files get confused with multiple processing types, so
## set single options
@eval $mfd_data_access_processing_type = "$m2c_processing_type"@
@eval $m2c_processing_type = 'h'@
@open ${name}_data_access.h@
/*
* Note: this file originally auto-generated by mib2c
* using mfd-data-access.m2c
*/
@if $m2c_mark_boundary == 1@
/** START code generated by mfd-data-access.m2c */
@end@
@eval $m2c_save = "$name"@
@eval $name = "${name}_DATA_ACCESS"@
@include generic-header-top.m2i@
@eval $name = "$m2c_save"@
/* *********************************************************************
* function declarations
*/
/* *********************************************************************
* Table declarations
*/
@foreach $table table@
@ include m2c_setup_table.m2i@
@ include details-table.m2i@
##@ eval $m2c_tmp=""@
##@ foreach $node index@
##@ include m2c_setup_node.m2i@
##@ eval $m2c_tmp="$m2c_tmp, $m2c_node_param_val"@
##@ end@ // for each index
int ${context}_init_data(${context}_registration * ${context}_reg);
@ include mfd-access-${m2c_table_access}-defines.m2i@
int ${context}_row_prep( ${context}_rowreq_ctx *rowreq_ctx);
@ if ($m2c_table_row_creation == 1) || ($m2c_table_persistent == 1)@
int ${context}_validate_index( ${context}_registration * ${context}_reg,
${context}_rowreq_ctx *rowreq_ctx);
@ foreach $node externalindex@
@ include m2c_setup_node.m2i@
int ${context}_${node}_check_index( ${context}_rowreq_ctx *rowreq_ctx ); /* external */
@ end@ # foreach externalindex
@ foreach $node internalindex@
@ include m2c_setup_node.m2i@
int ${node}_check_index( ${context}_rowreq_ctx *rowreq_ctx ); /* internal */
@ end@ # foreach internalindex
@ end@ # row creation/persistent
@end@
@eval $m2c_save = "$name"@
@eval $name = "${name}_DATA_ACCESS"@
@include generic-header-bottom.m2i@
@eval $name = "$m2c_save"@
##//##################################################################
##//Do the .c file
##//##################################################################
@eval $m2c_processing_type = 'c'@
@open ${name}_data_access.c@
/*
* Note: this file originally auto-generated by mib2c
* using mfd-data-access.m2c
*/
@include generic-source-includes.m2i@
#include "${name}_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.
*
* @{
*/
@foreach $table table@
@ include m2c_setup_table.m2i@
@ include details-table.m2i@
/**
* initialization for ${context} data access
*
* This function is called during startup to allow you to
* allocate any resources you need for the data table.
*
* @param ${context}_reg
* Pointer to ${context}_registration
*
* @retval MFD_SUCCESS : success.
* @retval MFD_ERROR : unrecoverable error.
*/
int
${context}_init_data(${context}_registration * ${context}_reg)
{
DEBUGMSGTL(("verbose:${context}:${context}_init_data","called\n"));
/*
* TODO:303:o: Initialize $context data.
*/
@ifconf ${table}_init_data.m2i@
@ include ${table}_init_data.m2i@
@else@
@ if $m2c_include_examples == 1@
$example_start
/*
* if you are the sole writer for the file, you could
* open it here. However, as stated earlier, we are assuming
* the worst case, which in this case means that the file is
* written to by someone else, and might not even exist when
* we start up. So we can't do anything here.
*/
$example_end
@ end@
return MFD_SUCCESS;
@end@ #ifconf
} /* ${context}_init_data */
@ include mfd-access-${m2c_table_access}-defines.m2i@
/**
* 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
${context}_row_prep( ${context}_rowreq_ctx *rowreq_ctx)
{
DEBUGMSGTL(("verbose:${context}:${context}_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;
} /* ${context}_row_prep */
##//####################################################################
@ if ($m2c_table_row_creation == 1) || ($m2c_table_persistent == 1)@
/*
* TODO:420:r: Implement $context index validation.
*/
@ foreach $node externalindex@
@ include m2c_setup_node.m2i@
@ if $m2c_report_progress == 1@
@ print | | +-> Processing index $node@
@ end@
@ include details-node.m2i@
/**
* check validity of ${node} external index portion
*
* NOTE: this is not the place to do any checks for the sanity
* of multiple indexes. Those types of checks should be done in the
* ${context}_validate_index() function.
*
* @retval MFD_SUCCESS : the incoming value is legal
* @retval MFD_ERROR : the incoming value is NOT legal
*/
int
${context}_${node}_check_index( ${context}_rowreq_ctx *rowreq_ctx )
{
DEBUGMSGTL(("verbose:${context}:${context}_${node}_check_index","called\n"));
netsnmp_assert(NULL != rowreq_ctx);
/*
* TODO:424:M: |-> Check $context external index $node.
* check that index value in the table context (rowreq_ctx)
* for the external index $node is legal.
*/
return MFD_SUCCESS; /* external index $node ok */
} /* ${context}_${node}_check_index */
@ end@ # foreach externalindex
@ foreach $node internalindex@
@ include m2c_setup_node.m2i@
@ if $m2c_report_progress == 1@
@ print | | +-> Processing index $node@
@ end@
@ include details-node.m2i@
/**
* check validity of ${node} index portion
*
* @retval MFD_SUCCESS : the incoming value is legal
* @retval MFD_ERROR : the incoming value is NOT legal
*
* @note this is not the place to do any checks for the sanity
* of multiple indexes. Those types of checks should be done in the
* ${context}_validate_index() function.
*
* @note Also keep in mind that if the index refers to a row in this or
* some other table, you can't check for that row here to make
* decisions, since that row might not be created yet, but may
* be created during the processing this request. If you have
* such checks, they should be done in the check_dependencies
* function, because any new/deleted/changed rows should be
* available then.
*
* The following checks have already been done for you:
@if $node.enums == 1@
* The value is one of $m2c_evals
@elsif $node.ranges == 1@
@ if ("$node.decl" eq "long") || ("$node.decl" eq "u_long")@
@ eval $m2c_tmp_ns = "value"@
@ else@
@ eval $m2c_tmp_ns = "length"@
@ end@
* The $m2c_tmp_ns is in (one of) the range set(s): $m2c_evals
@end@
*
* If there a no other checks you need to do, simply return MFD_SUCCESS.
*/
int
${node}_check_index( ${context}_rowreq_ctx *rowreq_ctx )
{
DEBUGMSGTL(("verbose:${context}:${node}_check_index","called\n"));
netsnmp_assert(NULL != rowreq_ctx);
/*
* TODO:426:M: |-> Check $context index $node.
* check that index value in the table context is legal.
* (rowreq_ctx->tbl_index.$node)
*/
return MFD_SUCCESS; /* $node index ok */
} /* ${node}_check_index */
@ end@ # foreach internalindex
/**
* verify specified index is valid.
*
* This check is independent of whether or not the values specified for
* the columns of the new row are valid. Column values and row consistency
* will be checked later. At this point, only the index values should be
* checked.
*
* All of the individual index validation functions have been called, so this
* is the place to make sure they are valid as a whole when combined. If
* you only have one index, then you probably don't need to do anything else
* here.
*
* @note Keep in mind that if the indexes refer to a row in this or
* some other table, you can't check for that row here to make
* decisions, since that row might not be created yet, but may
* be created during the processing this request. If you have
* such checks, they should be done in the check_dependencies
* function, because any new/deleted/changed rows should be
* available then.
*
*
* @param ${context}_reg
* Pointer to the user registration data
* @param ${context}_rowreq_ctx
* Pointer to the users context.
* @retval MFD_SUCCESS : success
* @retval MFD_CANNOT_CREATE_NOW : index not valid right now
* @retval MFD_CANNOT_CREATE_EVER : index never valid
*/
int
${context}_validate_index( ${context}_registration * ${context}_reg,
${context}_rowreq_ctx *rowreq_ctx)
{
int rc = MFD_SUCCESS;
DEBUGMSGTL(("verbose:${context}:${context}_validate_index","called\n"));
/** we should have a non-NULL pointer */
netsnmp_assert( NULL != rowreq_ctx );
/*
* TODO:430:M: |-> Validate potential $context index.
*/
if(1) {
snmp_log(LOG_WARNING,"invalid index for a new row in the "
"${context} table.\n");
/*
* determine failure type.
*
* If the index could not ever be created, return MFD_NOT_EVER
* If the index can not be created under the present circumstances
* (even though it could be created under other circumstances),
* return MFD_NOT_NOW.
*/
if(0) {
return MFD_CANNOT_CREATE_EVER;
}
else {
return MFD_CANNOT_CREATE_NOW;
}
}
return rc;
} /* ${context}_validate_index */
@ end@ # persistent/row creation
@end@
##
/** @} */
##//####################################################################
@if $m2c_mark_boundary == 1@
/** END code generated by mfd-data-access.m2c */
@end@
@eval $m2c_processing_type = "$mfd_data_access_processing_type"@