diff options
Diffstat (limited to 'include/haproxy/vars.h')
-rw-r--r-- | include/haproxy/vars.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/include/haproxy/vars.h b/include/haproxy/vars.h new file mode 100644 index 0000000..ebd1f15 --- /dev/null +++ b/include/haproxy/vars.h @@ -0,0 +1,72 @@ +/* + * include/haproxy/vars.h + * Prototypes for variables. + * + * Copyright (C) 2015 Thierry FOURNIER <tfournier@arpalert.org> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation, version 2.1 + * exclusively. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef _HAPROXY_VARS_H +#define _HAPROXY_VARS_H + +#include <haproxy/api-t.h> +#include <haproxy/session-t.h> +#include <haproxy/stream-t.h> +#include <haproxy/vars-t.h> + +extern struct vars proc_vars; + +void vars_init_head(struct vars *vars, enum vars_scope scope); +void var_accounting_diff(struct vars *vars, struct session *sess, struct stream *strm, int size); +unsigned int var_clear(struct var *var, int force); +void vars_prune(struct vars *vars, struct session *sess, struct stream *strm); +void vars_prune_per_sess(struct vars *vars); +int vars_get_by_name(const char *name, size_t len, struct sample *smp, const struct buffer *def); +int vars_set_by_name_ifexist(const char *name, size_t len, struct sample *smp); +int vars_set_by_name(const char *name, size_t len, struct sample *smp); +int vars_unset_by_name_ifexist(const char *name, size_t len, struct sample *smp); +int vars_get_by_desc(const struct var_desc *var_desc, struct sample *smp, const struct buffer *def); +int vars_check_arg(struct arg *arg, char **err); + +/* locks the <vars> for writes if it's in a shared scope */ +static inline void vars_wrlock(struct vars *vars) +{ + if (vars->scope == SCOPE_PROC) + HA_RWLOCK_WRLOCK(VARS_LOCK, &vars->rwlock); +} + +/* unlocks the <vars> for writes if it's in a shared scope */ +static inline void vars_wrunlock(struct vars *vars) +{ + if (vars->scope == SCOPE_PROC) + HA_RWLOCK_WRUNLOCK(VARS_LOCK, &vars->rwlock); +} + +/* locks the <vars> for reads if it's in a shared scope */ +static inline void vars_rdlock(struct vars *vars) +{ + if (vars->scope == SCOPE_PROC) + HA_RWLOCK_RDLOCK(VARS_LOCK, &vars->rwlock); +} + +/* unlocks the <vars> for reads if it's in a shared scope */ +static inline void vars_rdunlock(struct vars *vars) +{ + if (vars->scope == SCOPE_PROC) + HA_RWLOCK_RDUNLOCK(VARS_LOCK, &vars->rwlock); +} + +#endif |