m2c_setup_node.m2i
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上传日期:2007-10-30
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文件大小:10k
- ############################################################# -*- c -*-
- ## Defaults
- ## $Id: m2c_setup_node.m2i,v 1.17 2004/09/28 00:18:39 rstory Exp $
- ########################################################################
- @if "$m2c_node_name" ne "$node"@
- ## if $node.accessible != 1, might be inaccessible index node
- @ eval $m2c_node_name = $node@
- @ eval $m2c_node_skip_mapping = $m2c_table_skip_mapping@
- @ eval $m2c_node_needlength = $node.needlength@
- @ eval $m2c_node_get_comments = ""@
- @ eval $m2c_node_set_comments = ""@
- @ eval $m2c_node_skip_get = 0@
- ##//how should a function handle a pointer to a buffer that is to small?
- @ eval $m2c_node_realloc = 0@ // 0=fail, 1=realloc, 2=malloc
- ########################################################################
- ## fix some declarations
- ########################################################################
- @ if $node.enums == 1@
- ##
- @ if $m2c_node_skip_mapping == -1@
- @ eval $m2c_node_skip_mapping = 0@
- @ end@
- ##
- ## validate some assumptions
- ##
- @ if ("$node.perltype" ne "INTEGER") && ("$node.perltype" ne "BITS")@
- @ print "$node had enums, but isn't INTEGER or BITS! ($node.perltype)n"@
- @ exit@
- @ end@
- @ if $node.ranges == 1@
- @ print "$node has enums and ranges!n"@
- @ exit@
- @ end@
- ##
- ## for a TC, prefix definition w/syntax to reduce collisions
- ##
- @ if $node.syntax ne $node.perltype@
- @ eval $m2c_de_pfx = "${m2c_const_pfx}$node.syntax"@
- @ else@
- @ eval $m2c_de_pfx = "${m2c_const_pfx}$node"@
- @ end@
- @ if $m2c_const_lc == 0@
- @ eval $m2c_de_pfx = uc($m2c_de_pfx)@
- @ end@
- @ if "$node.perltype" eq "BITS"@
- @ eval $m2c_enum_mask="${m2c_de_pfx}_MASK"@
- @ if $m2c_const_lc == 0@
- @ eval $m2c_enum_mask = uc($m2c_enum_mask)@
- @ end@
- @ end@
- ##
- ## use longs for enums (w/out length)
- ##
- @ eval $m2c_decl = "u_long"@
- @ eval $m2c_node_needlength = 0@
- @ if "$node.perltype" eq "BITS"@
- @ eval $m2c_node_skip_get = 1@
- @ end@
- @ else@
- @ eval $m2c_decl = $node.decl@
- @ end@
- ########################################################################
- ## find max size
- ########################################################################
- @ if $node.ranges == 1@
- ##
- ## I do not *think* you can have both...
- ##
- @ if $node.enums == 1@
- @ print "$node has enums and ranges!n"@
- @ exit@
- @ end@
- @ eval $m2c_node_maxlen = 0@
- @ foreach $a $b range $node@
- @ eval $m2c_node_maxlen = max($m2c_node_maxlen,$b)@
- @ end@
- @ elsif "$node.type" eq "ASN_OBJECT_ID"@
- @ eval $m2c_node_maxlen = 128@
- @ else@ #ranges
- @ eval $m2c_node_maxlen = 65535@
- @ end@ #ranges
- ##/*####################################################################
- ## set up extra params, based on if we need length
- ########################################################################
- ## VAR_VAL : variable value.
- ## VAR_VAL_PTR : pointer to variable value.
- ## VAR_REF : variable reference. (pointer to pointer to variable value)
- ##*/
- @ if "x$m2c_node_var_name" eq "x"@
- @ eval $m2c_node_var_name="var->"@
- @ end@
- @ eval $m2c_node_var_val_ptr = "($m2c_decl *)${m2c_node_var_name}val.string"@
- @ if $m2c_node_needlength == 1@
- @ eval $m2c_XX = "($m2c_decl **)&${m2c_node_var_name}val.string,"@
- @ eval $m2c_node_var_ref = "$m2c_XX &${m2c_node_var_name}val_len"@
- @ eval $m2c_node_var_val = "$m2c_node_var_val_ptr, ${m2c_node_var_name}val_len"@
- @ else@
- @ eval $m2c_node_var_ref = "($m2c_decl *)${m2c_node_var_name}val.string"@
- @ eval $m2c_node_var_val = "*($m2c_node_var_val_ptr)"@
- @ end@
- ##
- ##
- @ eval $m2c_node_param_val_name = "${node}_val"@
- @ eval $m2c_node_param_val_lname = "${m2c_node_param_val_name}_len"@
- @ eval $m2c_node_param_ref_name = "${m2c_node_param_val_name}_ptr"@
- @ if $m2c_node_needlength == 1@
- @ eval $m2c_node_param_val_name = "${m2c_node_param_val_name}_ptr"@
- @ eval $m2c_node_param_val_lname = "${m2c_node_param_val_name}_len"@
- @ eval $m2c_node_param_val_call = "${m2c_node_param_val_name}, ${m2c_node_param_val_lname}"@
- @ eval $m2c_node_param_ref_name = "${m2c_node_param_ref_name}_ptr"@
- @ eval $m2c_node_param_ref_lname = "${m2c_node_param_val_lname}_ptr"@
- @ eval $m2c_XX = "$m2c_decl **$m2c_node_param_ref_name,"@
- @ eval $m2c_node_param_ref = "$m2c_XX size_t *$m2c_node_param_ref_lname"@
- @ eval $m2c_XX = "$m2c_decl *$m2c_node_param_val_name,"@
- @ eval $m2c_node_param_val = "$m2c_XX size_t $m2c_node_param_val_lname"@
- @ else@
- @ eval $m2c_node_param_ref = "$m2c_decl * $m2c_node_param_ref_name"@
- @ eval $m2c_node_param_val = "$m2c_decl $m2c_node_param_val_name"@
- @ eval $m2c_node_param_val_call = "$m2c_node_param_val_name"@
- ##
- @ end@
- ##
- ########################################################################
- ## include user overrides
- ########################################################################
- @ include -ifexists default-node-${node}.m2d@
- ########################################################################
- ##
- ########################################################################
- @ if $m2c_get_use_temp == 1@
- @ eval $m2c_node_lh = "temp_$node"@
- @ eval $m2c_node_lhs = "temp_${node}_len"@
- @ else@
- @ eval $m2c_node_lh = "(* $m2c_node_param_ref_name )"@
- @ eval $m2c_node_lhs = "(* $m2c_node_param_ref_lname )"@
- @ end@
- @ eval $m2c_ctx_lh="$m2c_node_lh"@
- @ eval $m2c_ctx_lhs="$m2c_node_lhs"@
- @ eval $m2c_ctx_rh="${m2c_data_item}${node}"@
- @ eval $m2c_ctx_rhs="${m2c_data_item}${node}_len"@
- ########################################################################
- ##
- ########################################################################
- @ if $m2c_node_skip_mapping != 1@
- @ if $m2c_node_needlength == 1@
- @ eval $m2c_XX="$m2c_decl **mib_$m2c_node_param_ref_name,"@
- @ eval $m2c_XX="$m2c_XX size_t *mib_$m2c_node_param_ref_lname,"@
- @ eval $m2c_XX="$m2c_XX $m2c_decl *raw_$m2c_node_param_val_name,"@
- @ eval $m2c_XX="$m2c_XX size_t raw_$m2c_node_param_val_lname,"@
- @ eval $m2c_node_map_param="$m2c_XX int allow_realloc"@
- @ else@
- @ eval $m2c_XX="$m2c_decl *mib_$m2c_node_param_ref_name,"@
- @ eval $m2c_node_map_param="$m2c_XX $m2c_decl raw_$m2c_node_param_val_name"@
- @ end@
- @ end@
- ########################################################################
- ##
- ########################################################################
- @ eval $m2c_node_srh = "$m2c_node_param_val_name"@
- @ eval $m2c_node_srhs = "$m2c_node_param_val_lname"@
- @end@
- ########################################################################
- ##
- @eval $m2c_node_summary="$node($node.subid)/$node.syntax/$node.type/$node.decl($m2c_decl)/"@
- @if $node.needlength == 0@
- @ eval $m2c_node_summary="$m2c_node_summary/l"@
- @else@
- @ eval $m2c_node_summary="$m2c_node_summary/L"@
- @end@
- @if $node.noaccess == 0@
- @ eval $m2c_node_summary="$m2c_node_summary/A"@
- @else@
- @ eval $m2c_node_summary="$m2c_node_summary/a"@
- @end@
- @if $node.settable == 0@
- @ eval $m2c_node_summary="$m2c_node_summary/w"@
- @else@
- @ eval $m2c_node_summary="$m2c_node_summary/W"@
- @end@
- @if $node.enums == 0@
- @ eval $m2c_node_summary="$m2c_node_summary/e"@
- @else@
- @ eval $m2c_node_summary="$m2c_node_summary/E"@
- @end@
- @if $node.ranges == 0@
- @ eval $m2c_node_summary="$m2c_node_summary/r"@
- @else@
- @ eval $m2c_node_summary="$m2c_node_summary/R"@
- @end@
- @if $node.hasdefval == 0@
- @ eval $m2c_node_summary="$m2c_node_summary/d"@
- @else@
- @ eval $m2c_node_summary="$m2c_node_summary/D"@
- @end@
- @if $node.hashint == 0@
- @ eval $m2c_node_summary="$m2c_node_summary/h"@
- @else@
- @ eval $m2c_node_summary="$m2c_node_summary/H"@
- @end@
- ########################################################################
- @if "$m2c_data_context" eq "generated"@
- @ eval $m2c_nvv_sizeof = "$m2c_data_item$node"@
- @end@
- ########################################################################
- @ ifconf default-node-${node}.m2d@
- @ else@
- @ push@
- @ open default-node-${node}.m2d@
- @ eval $m2c_conf_comment = "##"@
- @ eval $m2c_conf_comment_divider = "########################################################################"@
- $m2c_conf_comment_divider
- $m2c_conf_comment
- $m2c_conf_comment mib2c node setting for $node
- $m2c_conf_comment
- $m2c_conf_comment Remove the '##' comment delimeter to change settings
- $m2c_conf_comment
- $m2c_conf_comment_divider
- $m2c_conf_comment Node declaration type? This is the C type to be used when
- $m2c_conf_comment declaring a variable to hold a value for this column. It
- $m2c_conf_comment is strongly recommended that you do not change this value.
- $m2c_conf_comment If you do, it is likely to break lots of generated code that
- $m2c_conf_comment you will have to fix.
- $m2c_conf_comment
- $m2c_conf_comment @eval $@m2c_decl = $m2c_decl@
- $m2c_conf_comment
- $m2c_conf_comment_divider
- $m2c_conf_comment Generate/use mapping functions? Useful if the MIB defines
- $m2c_conf_comment a different format or enumerations than you data store uses.
- $m2c_conf_comment
- $m2c_conf_comment @eval $@m2c_node_skip_mapping = $m2c_node_skip_mapping@
- $m2c_conf_comment
- $m2c_conf_comment_divider
- $m2c_conf_comment Need a length for the value? Most OCTET-STRING based values will
- $m2c_conf_comment need a length, most other types will not. Do not change this one
- $m2c_conf_comment unless you know what you are doing! You will almost certainly need
- $m2c_conf_comment to fix lots of generated code if you do.
- $m2c_conf_comment
- $m2c_conf_comment @eval $@m2c_node_needlength = $m2c_node_needlength@
- $m2c_conf_comment
- $m2c_conf_comment_divider
- $m2c_conf_comment Skip get? Set this to 1 if you do not want to implement a value
- $m2c_conf_comment for this column.
- $m2c_conf_comment
- $m2c_conf_comment @eval $@m2c_node_skip_get = $m2c_node_skip_get@
- $m2c_conf_comment
- @ if $m2c_node_needlength == 1@
- $m2c_conf_comment_divider
- $m2c_conf_comment Allow realloc when data size exceeds length? If your data
- $m2c_conf_comment store for this node is a pointer allocated with one of the
- $m2c_conf_comment alloc family functions, you can set this to 1 to use realloc
- $m2c_conf_comment when a new value length exceeds the old lenght. If you are
- $m2c_conf_comment using a fixed size buffer, this value should be 0.
- $m2c_conf_comment
- $m2c_conf_comment @eval $@m2c_node_realloc = $m2c_node_realloc@
- @ end@
- @ close default-node-${node}.m2d@
- @ pop@
- @ end@