MINOR: vars: adds get and set functions
This patch adds two functions used for variable acces using the
variable full name. If the variable doesn't exists in the variable
pool name, it is created.
diff --git a/include/proto/vars.h b/include/proto/vars.h
index dadbf3b..e1092c7 100644
--- a/include/proto/vars.h
+++ b/include/proto/vars.h
@@ -5,6 +5,8 @@
void vars_init(struct vars *vars, enum vars_scope scope);
void vars_prune(struct vars *vars, struct stream *strm);
+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_check_arg(struct arg *arg, char **err);
#endif
diff --git a/src/vars.c b/src/vars.c
index 74033a5..cf3275c 100644
--- a/src/vars.c
+++ b/src/vars.c
@@ -360,6 +360,60 @@
return 1;
}
+/* This function store a sample in a variable.
+ * In error case, it fails silently.
+ */
+void vars_set_by_name(const char *name, size_t len, struct stream *strm, struct sample *smp)
+{
+ enum vars_scope scope;
+
+ /* Resolve name and scope. */
+ name = register_name(name, len, &scope, NULL);
+ if (!name)
+ return;
+
+ sample_store_stream(name, scope, strm, smp);
+}
+
+/* this function fills a sample with the
+ * variable content. Returns 1 if the sample
+ * is filled, otherwise it returns 0.
+ */
+int vars_get_by_name(const char *name, size_t len, struct stream *strm, struct sample *smp)
+{
+ struct vars *vars;
+ struct var *var;
+ enum vars_scope scope;
+
+ /* Resolve name and scope. */
+ name = register_name(name, len, &scope, NULL);
+ if (!name)
+ return 0;
+
+ /* Select "vars" pool according with the scope. */
+ switch (scope) {
+ case SCOPE_SESS: vars = &strm->vars_sess; break;
+ case SCOPE_TXN: vars = &strm->vars_txn; break;
+ case SCOPE_REQ:
+ case SCOPE_RES: vars = &strm->vars_reqres; break;
+ }
+
+ /* Check if the scope is avalaible a this point of processing. */
+ if (vars->scope != scope)
+ return 0;
+
+ /* Get the variable entry. */
+ var = var_get(vars, 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 miss data, else returns 1. */
static inline int action_store(struct sample_expr *expr, const char *name,
enum vars_scope scope, struct proxy *px,