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Rotation support.

Browse source 
This follows rather closely how rotation currently works in
rotate-logs.bro. logging.bro now defines:

        # Default rotation interval; zero disables rotation.
        const default_rotation_interval = 0secs &redef;

        # Default naming suffix format.
        const default_rotation_date_format = "%y-%m-%d_%H.%M.%S" &redef;

        # Default postprocessor for writers outputting into files.
        const default_rotation_postprocessor = "" &redef;

        # Default function to construct the name of the rotated file.
        # The default implementation includes
        # default_rotation_date_format into the file name.
        global default_rotation_path_func: function(info: RotationInfo) : string &redef;

Writer support for rotation is optional, usually it will only make
sense for file-based writers.

TODO: Currently, there's no way to customize rotation on a per file
basis, there are only the global defaults as described above.
Individual customization is coming next.
This commit is contained in:
Robin Sommer 2011-03-06 19:28:48 -08:00
parent 90af0d06c3
commit d6cef16f77
16 changed files with 387 additions and 68 deletions
Download patch file Download diff file Expand all files Collapse all files

18
src/parse.y
View file

@ -42,7 +42,7 @@
%left '$' '[' ']' '(' ')' TOK_HAS_FIELD TOK_HAS_ATTR
%type <str> TOK_ID TOK_PATTERN_TEXT single_pattern
%type <id> local_id global_id event_id global_or_event_id resolve_id begin_func
%type <id> local_id global_id def_global_id event_id global_or_event_id resolve_id begin_func
%type <id_l> local_id_list
%type <ic> init_class
%type <expr> opt_init
@ -102,6 +102,7 @@ Expr* bro_this = 0;
int in_init = 0;
bool in_debug = false;
bool resolving_global_ID = false;
bool defining_global_ID = false;
ID* func_id = 0;
EnumType *cur_enum_type = 0;
@ -842,10 +843,10 @@ decl:
| TOK_EXPORT '{' { is_export = true; } decl_list '}'
{ is_export = false; }
| TOK_GLOBAL global_id opt_type init_class opt_init opt_attr ';'
| TOK_GLOBAL def_global_id opt_type init_class opt_init opt_attr ';'
{ add_global($2, $3, $4, $5, $6, VAR_REGULAR); }
| TOK_CONST global_id opt_type init_class opt_init opt_attr ';'
| TOK_CONST def_global_id opt_type init_class opt_init opt_attr ';'
{ add_global($2, $3, $4, $5, $6, VAR_CONST); }
| TOK_REDEF global_id opt_type init_class opt_init opt_attr ';'
@ -855,7 +856,7 @@ decl:
'{' { parser_redef_enum($3); } enum_body '}' ';'
{ /* no action */ }
| TOK_TYPE global_id ':' refined_type opt_attr ';'
| TOK_TYPE def_global_id ':' refined_type opt_attr ';'
{
add_type($2, $4, $5, 0);
}
@ -883,7 +884,7 @@ conditional:
;
func_hdr:
TOK_FUNCTION global_id func_params
TOK_FUNCTION def_global_id func_params
{
begin_func($2, current_module.c_str(),
FUNC_FLAVOR_FUNCTION, 0, $3);
@ -1265,6 +1266,11 @@ global_id:
{ $$ = $2; }
;
def_global_id:
{ defining_global_ID = 1; } global_id { defining_global_ID = 0; }
{ $$ = $2; }
;
event_id:
{ resolving_global_ID = 0; } global_or_event_id
{ $$ = $2; }
@ -1275,7 +1281,7 @@ global_or_event_id:
{
set_location(@1);
$$ = lookup_ID($1, current_module.c_str(), false);
$$ = lookup_ID($1, current_module.c_str(), false, defining_global_ID);
if ( $$ )
{
if ( ! $$->IsGlobal() )