RepoMirrors/haproxy
1
0
Fork 0
mirror of http://git.haproxy.org/git/haproxy.git/ synced 2025-03-03 18:09:25 +00:00
Code Issues Packages Projects Releases Wiki Activity

MINOR: vars: returns variable content

Browse Source 
This patch copy the content of a variable in a sample. The function
returns 0 if the variable is not found.
This commit is contained in:
Thierry FOURNIER 2015-07-07 21:20:42 +02:00 committed by Willy Tarreau
parent 00c005c726
commit fd77e05f65
2 changed files with 35 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
include/proto/vars.h
View File

@ -8,6 +8,7 @@ void vars_prune(struct vars *vars, struct stream *strm);
void vars_prune_per_sess(struct vars *vars);
int vars_get_by_name(const char *name, size_t len, struct stream *strm, struct sample *smp);
void vars_set_by_name(const char *name, size_t len, struct stream *strm, struct sample *smp);
int vars_get_by_desc(const struct var_desc *var_desc, struct stream *strm, struct sample *smp);
int vars_check_arg(struct arg *arg, char **err);
#endif

34
src/vars.c
View File

@ -448,6 +448,40 @@ int vars_get_by_name(const char *name, size_t len, struct stream *strm, struct s
return 1;
}
/* this function fills a sample with the
* content of the varaible described by <var_desc>. Returns 1
* if the sample is filled, otherwise it returns 0.
*/
int vars_get_by_desc(const struct var_desc *var_desc, struct stream *strm, struct sample *smp)
{
struct vars *vars;
struct var *var;
/* Select "vars" pool according with the scope. */
switch (var_desc->scope) {
case SCOPE_SESS: vars = &strm->sess->vars; break;
case SCOPE_TXN: vars = &strm->vars_txn; break;
case SCOPE_REQ:
case SCOPE_RES:
default: vars = &strm->vars_reqres; break;
}
/* Check if the scope is avalaible a this point of processing. */
if (vars->scope != var_desc->scope)
return 0;
/* Get the variable entry. */
var = var_get(vars, var_desc->name);
if (!var)
return 0;
/* Copy sample. */
smp->type = var->data.type;
smp->flags = SMP_F_CONST;
memcpy(&smp->data, &var->data.data, sizeof(smp->data));
return 1;
}
/* Returns 0 if we need to come back later to complete the sample's retrieval,
* otherwise 1. For now all processing is considered final so we only return 1.
*/