mfd-interface.m2c

snmp的源代码,已经在我的ubuntu下编译通过

 */
static int
_mfd_${context}_check_dependencies(netsnmp_mib_handler *handler,
                         netsnmp_handler_registration *reginfo,
                         netsnmp_agent_request_info *agtreq_info,
                         netsnmp_request_info *requests)
{
    int                    rc;
    ${context}_rowreq_ctx *rowreq_ctx =
                  netsnmp_container_table_row_extract(requests);
    DEBUGMSGTL(("internal:${context}:_mfd_${context}_check_dependencies","called\n"));

    netsnmp_assert(NULL != rowreq_ctx);

    rc = ${context}_check_dependencies(rowreq_ctx);
    if(rc){
        DEBUGMSGTL(("verbose:${context}:mfd","error %d from "
                    "${context}_check_dependencies\n", rc));
        netsnmp_request_set_error_all(requests, SNMP_VALIDATE_ERR(rc));
    }

    return SNMP_ERR_NOERROR;
} /* _mfd_${context}_check_dependencies */

@end@ // dependencies
/*----------------------------------------------------------------------
 *
 * SET: Undo setup
 *
 *---------------------------------------------------------------------*/
/*
 * @internal
 * Set the value for a particular column
 */
NETSNMP_STATIC_INLINE int
_${context}_undo_setup_column( ${context}_rowreq_ctx *rowreq_ctx, int column )
{
    int rc = SNMPERR_SUCCESS;
    
    DEBUGMSGTL(("internal:${context}:_${context}_undo_setup_column","called\n"));

    netsnmp_assert(NULL != rowreq_ctx);

    switch(column) {
@   foreach $node nonindex@
@      include m2c_setup_node.m2i@
@      if $node.settable == 1@

    /* $m2c_node_summary */
    case COLUMN_$node.uc:
        rowreq_ctx->column_set_flags |= FLAG_$node.uc;
        rc = ${node}_undo_setup(rowreq_ctx );
        break;
 @      end@ # settable
@   end@ # for each column

     default:
         snmp_log(LOG_ERR,"unknown column %d in _${context}_undo_setup_column\n", column);
         break;
    }

    return rc;
} /* _${context}_undo_setup_column */


##----------------------------------------------------------------------
/**
 * @internal
 * undo setup
 */
int
_mfd_${context}_undo_setup(netsnmp_mib_handler *handler,
                         netsnmp_handler_registration *reginfo,
                         netsnmp_agent_request_info *agtreq_info,
                         netsnmp_request_info *requests)
{
    int                    rc;
    ${context}_rowreq_ctx *rowreq_ctx =
                  netsnmp_container_table_row_extract(requests);

    DEBUGMSGTL(("internal:${context}:_mfd_${context}_undo_setup","called\n"));

    netsnmp_assert(NULL != rowreq_ctx);

@if $m2c_undo_embed == 0@
    /*
     * allocate undo context
     */
    rowreq_ctx->undo = ${context}_allocate_data();
    if(NULL == rowreq_ctx->undo) {
        /** msg already logged */
        netsnmp_request_set_error_all(requests, SNMP_ERR_RESOURCEUNAVAILABLE);
        return SNMP_ERR_NOERROR;
    }

@end@
    /*
     * row undo setup
     */
    rowreq_ctx->column_set_flags = 0;
    rc = ${context}_undo_setup(rowreq_ctx);
    if (MFD_SUCCESS != rc)  {
        DEBUGMSGTL(("verbose:${context}:mfd","error %d from "
                    "${context}_undo_setup\n", rc));
        netsnmp_request_set_error_all(requests, SNMP_VALIDATE_ERR(rc));
    }
    else {
        /*
         * column undo setup
         */
        netsnmp_table_request_info * tri;
        for(;requests; requests = requests->next) {
            /*
             * set column data
             */
            tri = netsnmp_extract_table_info(requests);
            if(NULL == tri)
                continue;
            
            rc = _${context}_undo_setup_column(rowreq_ctx, tri->colnum);
            if(MFD_SUCCESS != rc)  {
                DEBUGMSGTL(("verbose:${context}:mfd","error %d from "
                            "${context}_undo_setup_column\n", rc));
                netsnmp_set_request_error(agtreq_info, requests, SNMP_VALIDATE_ERR(rc));
            }
        } /* for results */
    }
    
    return SNMP_ERR_NOERROR;
} /* _mfd_${context}_undo_setup */

/**
 * @internal
 * undo setup
 */
int
_mfd_${context}_undo_cleanup(netsnmp_mib_handler *handler,
                             netsnmp_handler_registration *reginfo,
                             netsnmp_agent_request_info *agtreq_info,
                             netsnmp_request_info *requests)
{
    ${context}_rowreq_ctx *rowreq_ctx =
                  netsnmp_container_table_row_extract(requests);
    int rc;

    DEBUGMSGTL(("internal:${context}:_mfd_${context}_undo_cleanup","called\n"));

    /*
     * failed row create in early stages has no rowreq_ctx
     */
    if (NULL == rowreq_ctx)
        return MFD_SUCCESS;

    /*
     * call user cleanup
     */
    rc = ${context}_undo_cleanup(rowreq_ctx);
    if (MFD_SUCCESS != rc) {
        /*
         * nothing we can do about it but log it
         */
        DEBUGMSGTL(("verbose:${context}:mfd","error %d from "
                    "${context}_undo_cleanup\n", rc));
    }

@if $m2c_undo_embed == 0@
    /*
     * release undo context, if needed
     */
    if(rowreq_ctx->undo) {
         ${context}_release_data(rowreq_ctx->undo);
         rowreq_ctx->undo = NULL;
    }

@end@
    /*
     * clear set flags
     */
    rowreq_ctx->column_set_flags = 0;

    return SNMP_ERR_NOERROR;
} /* _mfd_${context}_undo_cleanup */

/*----------------------------------------------------------------------
 *
 * SET: Set values
 *
 *---------------------------------------------------------------------*/
/*
 * @internal
 * Set the value for a particular column
 */
NETSNMP_STATIC_INLINE int
_${context}_set_column( ${context}_rowreq_ctx *rowreq_ctx,
                       netsnmp_variable_list *var, int column )
{
    int rc = SNMPERR_SUCCESS;
    
    DEBUGMSGTL(("internal:${context}:_${context}_set_column","called\n"));

    netsnmp_assert(NULL != rowreq_ctx);

    switch(column) {
@   foreach $node nonindex@
@      include m2c_setup_node.m2i@
@      if $node.settable == 1@

    /* $m2c_node_summary */
    case COLUMN_$node.uc:
@         if $m2c_node_needlength == 0@
        if(var->val_len != sizeof($m2c_decl)) {
            rc = SNMP_ERR_WRONGLENGTH;
            snmp_log(LOG_ERR,
                     "varbind size of %d does not match expected size %d\n",
                     var->val_len, sizeof($m2c_decl));
            break;
        }
@         end@
        rowreq_ctx->column_set_flags |= FLAG_$node.uc;
        rc = ${node}_set(rowreq_ctx, $m2c_node_var_val );
        break;
 @      end@ # settable
@   end@ # for each column

     default:
         snmp_log(LOG_ERR,"unknown column %d in _${context}_set_column\n", column);
         break;
    }
    
    return rc;
} /* _${context}_set_column */

########################################################################
##
int
_mfd_${context}_set_values(netsnmp_mib_handler *handler,
                         netsnmp_handler_registration *reginfo,
                         netsnmp_agent_request_info *agtreq_info,
                         netsnmp_request_info *requests)
{
    ${context}_rowreq_ctx *rowreq_ctx =
                  netsnmp_container_table_row_extract(requests);
    netsnmp_table_request_info * tri;
    int                          rc = SNMP_ERR_NOERROR;

    DEBUGMSGTL(("internal:${context}:_mfd_${context}_set_values","called\n"));

    netsnmp_assert(NULL != rowreq_ctx);
    
    rowreq_ctx->column_set_flags = 0;
    for(;requests; requests = requests->next) {
        /*
         * set column data
         */
        tri = netsnmp_extract_table_info(requests);
        if(NULL == tri)
            continue;
        
        rc = _${context}_set_column(rowreq_ctx,
                                    requests->requestvb, tri->colnum);
        if(MFD_SUCCESS != rc)  {
            DEBUGMSGTL(("verbose:${context}:mfd","error %d from "
                        "${context}_set_column\n", rc));
            netsnmp_set_request_error(agtreq_info, requests, SNMP_VALIDATE_ERR(rc));
        }
    } /* for results */

    return SNMP_ERR_NOERROR;
} /* _mfd_${context}_set_values */

/*----------------------------------------------------------------------
 *
 * SET: commit
 *
 *---------------------------------------------------------------------*/
/**
 * @internal
 * commit the values
 */
int
_mfd_${context}_commit(netsnmp_mib_handler *handler,
                         netsnmp_handler_registration *reginfo,
                         netsnmp_agent_request_info *agtreq_info,
                         netsnmp_request_info *requests)
{
    int                    rc;
    ${context}_rowreq_ctx *rowreq_ctx =
                  netsnmp_container_table_row_extract(requests);

    DEBUGMSGTL(("internal:${context}:_mfd_${context}_commit","called\n"));

    netsnmp_assert(NULL != rowreq_ctx);
    
    rc = ${context}_commit(rowreq_ctx);
    if (MFD_SUCCESS != rc) {
        DEBUGMSGTL(("verbose:${context}:mfd","error %d from "
                    "${context}_commit\n", rc));
        netsnmp_request_set_error_all(requests, SNMP_VALIDATE_ERR(rc));
    }

    return SNMP_ERR_NOERROR;
}

int
_mfd_${context}_undo_commit(netsnmp_mib_handler *handler,
                         netsnmp_handler_registration *reginfo,
                         netsnmp_agent_request_info *agtreq_info,
                         netsnmp_request_info *requests)
{
    int                    rc;
    ${context}_rowreq_ctx *rowreq_ctx =
                  netsnmp_container_table_row_extract(requests);

    DEBUGMSGTL(("internal:${context}:_mfd_${context}_undo_commit","called\n"));

    netsnmp_assert(NULL != rowreq_ctx);

    rc = ${context}_undo_commit(rowreq_ctx);
    if (MFD_SUCCESS != rc) {
        /*
         * nothing we can do about it but log it
         */
        DEBUGMSGTL(("verbose:${context}:mfd","error %d from "
                    "${context}_undo_commit\n", rc));
    }

    return SNMP_ERR_NOERROR;
} /* _mfd_${context}_commit */

/*----------------------------------------------------------------------
 *
 * SET: Undo
 *
 *---------------------------------------------------------------------*/
/**
 * @internal
 * undo the value for a particular column
 */
NETSNMP_STATIC_INLINE int
_${context}_undo_column( ${context}_rowreq_ctx *rowreq_ctx,
                       netsnmp_variable_list *var, int column )
{
    int rc = SNMPERR_SUCCESS;
    
    DEBUGMSGTL(("internal:${context}:_${context}_undo_column","called\n"));

    netsnmp_assert(NULL != rowreq_ctx);

    switch(column) {
@   foreach $node nonindex@
@      include m2c_setup_node.m2i@
@      if $node.settable == 1@

    /* $m2c_node_summary */
    case COLUMN_$node.uc:
        rc = ${node}_undo(rowreq_ctx);
        break;
 @      end@ # settable
@   end@ # for each column

     default:
         snmp_log(LOG_ERR,"unknown column %d in _${context}_undo_column\n", column);
         break;
    }

    return rc;
} /* _${context}_undo_column */

########################################################################
##
int
_mfd_${context}_undo_values(netsnmp_mib_handler *handler,
                         netsnmp_handler_registration *reginfo,
                         netsnmp_agent_request_info *agtreq_info,
                         netsnmp_request_info *requests)
{
    int                    rc;
    ${context}_rowreq_ctx *rowreq_ctx =
                  netsnmp_container_table_row_extract(requests);
    netsnmp_table_request_info * tri;

    DEBUGMSGTL(("internal:${context}:_mfd_${context}_undo_values","called\n"));

    netsnmp_assert(NULL != rowreq_ctx);
    
    for(;requests; requests = requests->next) {
        /*
         * set column data
         */
        tri = netsnmp_extract_table_info(requests);
        if(NULL == tri)
            continue;
        
        rc = _${context}_undo_column(rowreq_ctx, requests->requestvb,
                                     tri->colnum);
        if (MFD_SUCCESS != rc) {
            /*
             * nothing we can do about it but log it
             */
            DEBUGMSGTL(("verbose:${context}:mfd","error %d from "
                        "${context}_undo_column\n", rc));
        }
    } /* for results */

    return SNMP_ERR_NOERROR;
} /* _mfd_${context}_undo_values */

@   if $m2c_irreversible_commit == 1@
/*----------------------------------------------------------------------
 *
 * SET: irreversible commit
 *
 *---------------------------------------------------------------------*/
/**
 * @internal
 * commit irreversible actions
 */
int
_mfd_${context}_irreversible_commit(netsnmp_mib_handler *handler,
                         netsnmp_handler_registration *reginfo,
                         netsnmp_agent_request_info *agtreq_info,
                         netsnmp_request_info *requests)
{
    int                    rc;
    ${context}_rowreq_ctx *rowreq_ctx =
                  netsnmp_container_table_row_extract(requests);
    
    DEBUGMSGTL(("internal:${context}:_mfd_${context}_irreversible:commit","called\n"));
   
    netsnmp_assert(NULL != rowreq_ctx);
    
    rc = ${context}_irreversible_commit(rowreq_ctx);
    if (MFD_SUCCESS != rc) {
        netsnmp_request_set_error_all(requests, SNMP_ERR_COMMITFAILED);
        DEBUGMSGTL(("verbose:${context}:mfd","error %d from "
                    "${context}_irreversible_commit\n", rc));
    }
    
    return SNMP_ERR_NOERROR;
} /* _mfd_${context}_irreversible_commit */

@end@
@end@ # settable
/***********************************************************************
 *
 * DATA ACCESS
 *
 ***********************************************************************/
@    include mfd-access-${m2c_table_access}-defines.m2i@
@end@ # foreach table
##
########################################################################
@if $m2c_mark_boundary == 1@
/** END code generated by $RCSfile: mfd-interface.m2c,v $ $Revision: 1.43.2.2 $ */
@end@